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Manufacturing method of grab bucket capable of automatically weighing and preventing overload


source:[Gravimetric blender]   release time:2021-04-09 16:25:51




Manufacturing method of grab bucket capable of automatically weighing and preventing overload
[Patent Abstract] This utility model discloses a grab that can automatically weigh and prevent overload, including a head, a grab, a load cell, a tie rod, a roller, an adjustable nut, a steel rope for opening and closing, and a support steel rope. Both sides of the head are provided with the adjustable nuts, the lower end of the head is provided with the drum, the surface of the drum is covered with the opening and closing steel rope, and the opening and closing steel rope is connected to the adjustable On the nut, the top of the head is connected with the supporting steel rope, the pull rods are provided on both sides of the middle of the head, and the two sides of the outer wall of the rotating rod are provided with a pair of the grab and a pair of the grab The inner wall is equipped with the load cell. This kind of grab can detect the weight of the loaded goods through the load cell. If it is overweight, at this time, the operator will be prompted by an alarm light to properly unload a little goods to ensure that the grab is safe Service life. Through the tooth opening, the grab can be closed more tightly after grabbing the goods to prevent material leakage. The adjustable nut can adjust the tightness of the steel rope and prevent the steel rope from breaking.
【Patent Description】
Grab bucket capable of automatically weighing and preventing overload
Technical field
[0001] The present utility model relates to a grab, in particular to a grab that can be automatically weighed to prevent overload.
【Background technique】
[0002] Grab, the English name grab. Grab is a bucket that can be opened and closed for grabbing sand and various bulk goods. It is a spreader that mainly relies on the opening and closing of two left and right combined buckets or multiple jaws to grab and unload bulk materials. The grab is a spreader that grabs and unloads bulk materials by the opening and closing of two left and right combined buckets or multiple jaws. A grab composed of multiple jaws is also called a grab.
[0003] The hydraulic grab itself is equipped with an opening and closing structure, which is generally driven by a hydraulic cylinder, and a hydraulic grab composed of multiple jaw plates is also called a hydraulic claw. Hydraulic grabs are widely used in hydraulic special equipment, such as hydraulic excavators and hydraulic crane towers. Hydraulic grab is a product of hydraulic structure, which is composed of hydraulic cylinder, bucket (jaw plate), connecting column, bucket ear plate, bucket ear sleeve, bucket teeth, tooth seat and other parts, so welding is the most critical part of hydraulic grab The manufacturing process and welding quality directly affect the structural strength and service life of the hydraulic grab. In addition, the hydraulic cylinder is also the most critical drive component.
[0004] Grabs have a wide range of uses, and are very common on cranes and excavators. However, the existing grabs do not have a clear judgment facility for the load, which is easy to cause overloading operations and shortens the service life of the grabs for a long time. , Seriously, it will cause the cargo to fall accidentally and hurt people. Therefore, we must pay attention to this problem.
[Utility model content]
[0005] The technical problem to be solved by the present utility model is to overcome the existing defects and provide a grab that can automatically weigh and prevent overload, which can effectively solve the problems in the [Background Art].
[0006] In order to solve the above technical problems, the present utility model provides the following technical solutions:
[0007] The utility model can automatically weigh a grab against overload, including a head, a grab, a load cell, a tie rod, a rotating rod, a drum, a beam, an adjustable nut, an open and close steel rope, and a support steel rope , The adjustable nut is provided on both sides of the head, the roller is provided at the lower end of the head, the beam is provided on both sides of the roller, and the rotating rod is provided at the bottom of the beam, so The surface of the drum is covered with the opening and closing steel rope, and the opening and closing steel rope is connected to the adjustable nut, the top of the head is connected with the supporting steel rope, and both sides of the middle of the head are provided with For the pull rod, a pair of the grab bucket is provided on both sides of the outer wall of the rotating rod, and the inner wall of the grab bucket is provided with the load cell.
[0008] As a preferred technical solution of the present utility model, an alarm light is provided on the outer surface of the head.
[0009] As a preferred technical solution of the present utility model, the grab bucket cross section is provided with a number of tooth openings.
[0010] As a preferred technical solution of the present utility model, the tooth openings on a pair of the grab bucket are matched with each other.
[0011] As a preferred technical solution of the present utility model, the tie rods are symmetrically arranged on both sides of the head, and the tie rods and the head are connected by bolts.
[0012] As a preferred technical solution of the present utility model, the supporting steel rope is fixed by the bolt.
[0013] As a preferred technical solution of the present utility model, the pull rod and the grab bucket are welded and connected, and the grab bucket and the rotating rod are movably connected.
[0014] The beneficial effect of the utility model is: this kind of grab that can automatically weigh anti-overloading, through the weighing sensor to detect the weight of the loaded goods, if it is overweight, at this time, through the warning light to remind the operator, appropriate Unload a little cargo to ensure the service life of the grab. Through the tooth opening, the grab can be closed more tightly after grabbing the goods to prevent leakage. The adjustable nut can adjust the tightness of the steel rope to prevent the rope from being stretched. Off.
【Explanation of the drawings】
[0015] The accompanying drawings are used to provide a further understanding of the utility model and constitute a part of the specification. Together with the embodiments of the utility model, they are used to explain the utility model and do not constitute a limitation to the utility model. In the attached picture:
[0016] FIG. 1 is a schematic structural diagram of a grab bucket capable of automatically weighing and preventing overload according to an embodiment of the present utility model;
[0017] FIG. 2 is a schematic structural view of a partial cross-section of a grab bucket that can be automatically weighed to prevent overload according to an embodiment of the present utility model;
[0018] In the figure: 1. Head; 2. Grab; 3. Load cell; 4. Tie rod; 5. Rotating rod; 6. Roller; 7. Cross beam; 8. Adjustable nut; 9. Opening and closing steel Rope; 1. Support steel rope; 11. Bolt; 12. Tooth mouth; 13. Alarm light.
【Detailed ways】
[0019] The preferred embodiments of the present utility model are described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present utility model, and are not used to limit the present utility model.
[0020] Example:
[0021] As shown in Figures 1, 2, the utility model can automatically weigh a grab against overload, including a head 1, grab 2, weighing sensor 3, pull rod 4, rotating rod 5, drum 6, The cross beam 7, the adjustable nut 8, the opening and closing steel rope 9 and the supporting steel rope 1, the adjustable nuts 8 are provided on both sides of the head I, and the drum 6 is provided at the lower end of the head I. Both sides of the drum 6 are provided with the cross beam 7, the bottom of the cross beam 7 is provided with the rotating rod 5, the surface of the drum 6 is sheathed with the opening and closing steel rope 9, and the opening and closing steel rope 9 is connected to On the adjustable nut 8, the top of the head I is connected to the supporting rope 10, the middle of the head I is provided with the pull rod 4 on both sides, and the rotating rod 5 is provided with a sub-station on both sides of the outer wall. Said grab 2, a pair of said grab 2 inner wall is equipped with said weighing sensor 3, the weight of the loaded goods is detected by the weighing sensor 3, if it is overweight, at this time, an alarm light 13 is used to remind the operator , Appropriately unload a little cargo to ensure the service life of the grab bucket 2. Through the tooth opening 12, the grab bucket 2 can be closed more tightly after grabbing the goods to prevent leakage. The adjustable nut 8 can adjust the tightness of the steel rope. Degree to prevent the steel rope from breaking.
[0022] The outer surface of the head 1 is provided with an alarm light 13. When the grab is overloaded, the alarm light 13 will sound to remind the operator.
[0023] The cross section of the grab bucket 2 is provided with a number of tooth openings 12, and the tooth openings 12 on a pair of the grab bucket 2 are matched with each other, which can achieve a tight closure of the grab bucket 2 and prevent leakage.
[0024] The tie rods 4 are symmetrically arranged on both sides of the head 1, and the tie rods 4 and the head 1 are connected by bolts 11, and the supporting steel rope 10 is fixed by the bolts 11, so that the entire The device is more stable and maintains the stability of the supporting steel rope 10.
[0025] The pull rod 4 and the grab bucket 2 are welded and connected, and the grab bucket 2 and the rotating rod 5 are movably connected to realize the opening and closing of the grab bucket.
[0026] Specifically, when in use, the opening and closing of the grab 2 can be controlled through the opening and closing rope 9 to facilitate grabbing and unloading of goods. After grabbing the goods, the load cell 3 is now The weight of the cargo will be detected. If it is overweight, at this time, the warning light 13 will prompt the operator to properly unload a little cargo to ensure the service life of the grab 2 and in order to make the grab 2 close more tightly, pass Matching tooth openings are arranged on the cross section of the grab bucket 2 and they engage with each other to prevent material leakage.
[0027] This kind of automatic weighing and anti-overloading grab can detect the weight of the loaded goods through the load cell 3. If it is overweight, at this time, the alarm light 13 will prompt the operator to properly unload a little of the goods to ensure The service life of the grab 2 is, through the tooth opening 12, the grab 2 can be closed more tightly after grabbing the goods to prevent material leakage. The adjustable nut 8 can adjust the tightness of the steel rope to prevent the steel rope from breaking.
[0028] Finally, it should be noted that the above are only preferred embodiments of the present utility model, and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, the technology in the field For personnel, they can still modify the technical solutions described in the foregoing embodiments, or equivalently replace some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
【Sovereignty Item】
1. A grab with automatic weighing and anti-overload, including head (I), grab (2), load cell (3), pull rod (4), rotating rod (5), drum (6), The beam (7), the adjustable nut (8), the opening and closing steel rope (9) and the supporting steel rope (10), characterized in that the adjustable nuts (8) are provided on both sides of the head (I) , The lower end of the head (I) is provided with the roller (6), the roller (6) is provided with the cross beam (7) on both sides, and the bottom of the cross beam (7) is provided with the rotating rod ( 5) The surface of the drum (6) is covered with the opening and closing steel rope (9), and the opening and closing steel rope (9) is connected to the adjustable nut (8), and the head (I) ) The top part is connected with the supporting steel rope (10), the two sides of the middle part of the head (1) are provided with the pull rod (4), and the outer wall of the rotating rod (5) is provided with a pair of the grab ( 2) The inner wall of a pair of the grab bucket (2) is provided with the weighing sensor (3). 2. The automatic weighing and anti-overload grab bucket according to claim 1, characterized in that an alarm light (13) is provided on the outer surface of the head (I). 3. A grab bucket capable of automatic weighing and anti-overload according to claim 1, characterized in that a plurality of tooth openings (12) are provided on the cross section of the grab bucket (2). 4. A grab bucket capable of automatic weighing and anti-overload according to claim 3, characterized in that the tooth openings (12) on a pair of said grab buckets (2) are matched with each other. 5. The grab bucket capable of automatically weighing and preventing overload according to claim 1, characterized in that the pull rod (4) is symmetrically arranged on both sides of the head (1), and the pull rod ( 4) The head (I) is connected by bolts. The grab bucket capable of automatically weighing and preventing overload according to claim 5, characterized in that the supporting steel rope (10) is fixed by the bolt. 7. The grab bucket capable of automatically weighing and preventing overload according to claim 1, characterized in that the pull rod (4) and the grab bucket (2) are welded and connected, and the grab bucket (2) and The rotating rod (5) is movably connected.[Gravimetric blender]