Novel rotary stopper

Abstract

The utility model provides a novel rotary stopper, which comprises a stopper fixing part, a limiting groove, a rotating shaft and a rotating shaft, wherein the inner wall of one side of the stopper fixing part is provided with a limiting groove for limiting a waist ring of a cantilever crane; and the connecting assembly is used for connecting the stop fixing piece and the anti-collision rubber block. The stop fixing piece and the anti-collision rubber block are locked and fixed through the two locknuts, and then the rotating stop and the waist ring of the cantilever crane are fixed through the inside hexagonal bolt, so that the locking effect is achieved, the limiting function is achieved, infinite rotation of the cantilever crane is limited, and safety accidents caused by abrasion of wires are prevented. The electroplating procedure is added to the stopper fixing piece, multiple positions of the stopper fixing piece are in an arc shape, on the premise that the using performance is guaranteed, materials are saved, cost is saved, and the safety performance of the rotating stopper in the using process is improved; the backstop fixing piece is higher in corrosion resistance and more environment-friendly, can be fixed on a waist ring of a cantilever crane during use, is convenient to disassemble and assemble, improves the stability and is convenient to use.

Description

Technical Field

[0001] The utility model relates to a novel rotary stop. Background Art

[0002] A rotary stop is a stress component installed on a jib crane for rotary limit. The rotary stop is an important connecting component during the operation of the jib crane, which is directly related to the operation safety of large equipment, restricts the infinite rotation of the jib crane, and prevents the wire from being worn and thus causing safety accidents.

[0003] Most of the existing rotary stops are directly limited by simple iron blocks or bolts, which are relatively simple and have low performance. After a long time, there is also a risk of falling off, and the long-term normal and safe use cannot be guaranteed. Summary of the Utility Model

[0004] The utility model provides a novel rotary stop to solve the technical problems that most of the existing rotary stops are directly limited by simple iron blocks or bolts, which are relatively simple and have low performance. After a long time, there is also a risk of falling off, and the long-term normal and safe use cannot be guaranteed.

[0005] The utility model solves the above technical problems through the following technical solutions:

[0006] The utility model provides a novel rotary stop, which comprises:

[0007] A stop fixing member, on one side inner wall of which there is a limit groove for the waist ring limit of the jib crane;

[0008] A connection component for connecting the stop fixing member and the anti-collision rubber block.

[0009] The stop fixing member and the anti-collision rubber block are locked and fixed by two locknuts, and then the rotary stop and the waist ring of the jib crane are fixed by hexagon socket head cap screws, so as to achieve the locking effect, thereby realizing the limit function, restricting the infinite rotation of the jib crane, and preventing the wire from being worn and thus causing safety accidents.

[0010] Furthermore, the outer edge of the stop fixing member is made in the form of an arc chamfer and formed by bending.

[0011] Furthermore, the inner cavity of the stop fixing member is arc-shaped, and the inner cavity of the stop fixing member is arranged in cooperation with the waist ring of the jib crane.

[0012] In this technical solution, it is convenient for the stop fixing member to be sleeved on the surface of the waist ring of the jib crane, and it is convenient to stabilize the stop fixing member and the waist ring of the jib crane.

[0013] Further, an elastic rubber plate is installed on the inner wall of the limiting groove formed on one side inner wall of the stop fixing member, and a hexagon socket head cap screw is threadedly connected to the other side of the stop fixing member corresponding thereto.

[0014] Further, the number of the hexagon socket head cap screws is two, and a rubber column is installed at the end of the hexagon socket head cap screw. The rubber column is used for limiting the waist ring of the jib crane.

[0015] In this technical solution, by rotating the hexagon socket head cap screw, the elastic rubber column fixedly installed at the end is pushed to move, so as to facilitate fixing the stop fixing member on the surface of the waist ring of the jib crane.

[0016] Further, the connecting assembly includes a connecting plate, a threaded column and a locknut. The connecting plate is fixedly installed on the stop fixing member. The threaded column penetrates through the surface of the connecting plate, and the locknut is threadedly sleeved on the surface of the threaded column.

[0017] In this technical solution, by sleeving the connecting plate on the surface of the threaded column and rotating the locknut, the locknut fixes the connecting plate on the surface of the threaded column, realizing the fixation of the connecting plate and the threaded column, which is convenient for disassembly.

[0018] Further, the number of the threaded columns is two, and the two threaded columns are placed in parallel.

[0019] Further, the anti-collision rubber block is fixedly connected to the threaded column, and the locknut sleeved on the surface of the threaded column is in contact with the surface of the connecting plate.

[0020] Further, the contact surfaces between any two of the locknut, the connecting plate and the anti-collision rubber block are closely attached.

[0021] Further, the surface of the stop fixing member adopts an electroplating process.

[0022] In this technical solution, an electroplating process is added, and arcs are used in many places on the outer shape. On the premise of ensuring the use performance, materials are saved, costs are reduced, and the safety performance during the use of the rotary stop is improved; the stop fixing member has stronger corrosion resistance and is more environmentally friendly. It will be fixed on the waist ring of the jib crane during use, which is convenient for disassembly and assembly, and increases stability, facilitating use.

[0023] On the basis of conforming to the common knowledge in the art, the above preferred conditions can be combined arbitrarily to obtain various preferred examples of the present invention.

[0024] The positive and progressive effects of the present utility model are as follows: The stop fixing member and the anti-collision rubber block are locked and fixed by two locknuts, and then the rotating stop is fixed to the waist ring of the jib crane by an Allen bolt, so as to achieve the locking effect, thereby realizing the limiting function, restricting the infinite rotation of the jib crane, preventing the electric wire from being worn and causing safety accidents. The stop fixing member has an electroplating process added, and arcs are used in many places on its outer shape. On the premise of ensuring the use performance, materials are saved, costs are reduced, and the safety performance during the use of the rotating stop is improved; the stop fixing member has stronger corrosion resistance and is more environmentally friendly. When in use, it will be fixed on the waist ring of the jib crane, which is convenient for disassembly and assembly, and increases stability, making it convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 FIG. is a three-dimensional structural schematic diagram of the rotating stop of the present utility model.

[0026] Figure 2 FIG. is a three-dimensional connection structural schematic diagram of the rotating stop of the present utility model and the waist ring of the jib crane.

[0027] Figure 3 FIG. is a side view connection structural schematic diagram of the stop fixing member of the rotating stop of the present utility model and the waist ring of the jib crane.

[0028] Figure 4 FIG. is a connection structural schematic diagram of the connecting plate of the rotating stop of the present utility model and the locknut.

[0029] DESCRIPTION OF THE REFERENCE NUMERALS

[0030] 1. Stop fixing member; 2. Limiting groove; 3. Elastic rubber plate; 4. Allen bolt; 5. Rubber column; 6. Connecting plate; 7. Locknut; 8. Threaded column; 9. Anti-collision rubber block. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0031] The present utility model will be further described below by way of examples, but the present utility model is not limited to the scope of the described examples.

[0032] As Figures 1-4 shown, the novel rotating stop includes:

[0033] A stop fixing member 1, on one inner wall of which there is a limiting groove 2 for limiting the waist ring of the jib crane;

[0034] A connecting component for connecting the stop fixing member 1 and the anti-collision rubber block 9.

[0035] Fix the stop fixing part 1 and the anti-collision rubber block 9 by tightening and fixing them with two lock nuts 7, and then fix the rotating stop and the waist ring of the jib crane with hexagon socket head cap screws 4 to achieve the locking effect, so as to realize the limiting function, limit the infinite rotation of the jib crane, and prevent the wires from being worn and causing safety accidents.

[0036] The outer edges of the stop fixing part 1 are all made in the form of arc chamfers and formed by bending.

[0037] The inner cavity of the stop fixing part 1 is arranged in an arc shape, and the inner cavity of the stop fixing part 1 is matched with the waist ring of the jib crane.

[0038] It is convenient for the stop fixing part 1 to be sleeved on the surface of the waist ring of the jib crane, and it is convenient to stabilize the stop fixing part 1 and the waist ring of the jib crane.

[0039] An elastic rubber plate 3 is installed on the inner wall of the limit groove 2 opened on one side inner wall of the stop fixing part 1, and a hexagon socket head cap screw 4 is threadedly connected to the other side of the stop fixing part 1 corresponding to it.

[0040] The number of the hexagon socket head cap screws 4 is two, and a rubber column 5 is installed at the end of the hexagon socket head cap screw 4, and the rubber column 5 is used for limiting the waist ring of the jib crane.

[0041] Rotate the hexagon socket head cap screw 4, and the hexagon socket head cap screw 4 pushes the elastic rubber column 5 fixedly installed at the end to move, so as to fix the stop fixing part 1 on the surface of the waist ring of the jib crane.

[0042] The connecting component includes a connecting plate 6, a threaded column 8 and a lock nut 7. The connecting plate 6 is fixedly installed on the stop fixing part 1. The threaded column 8 penetrates through the surface of the connecting plate 6, and the lock nut 7 is threadedly sleeved on the surface of the threaded column 8.

[0043] By sleeving the connecting plate 6 on the surface of the threaded column 8 and rotating the lock nut 7, the lock nut 7 fixes the connecting plate 6 on the surface of the threaded column 8, realizing the fixation of the connecting plate 6 and the threaded column 8, which is convenient for disassembly.

[0044] The number of the threaded columns 8 is two, and the two threaded columns 8 are placed in parallel.

[0045] The anti-collision rubber block 9 is fixedly connected to the threaded column 8, and the lock nut 7 sleeved on the surface of the threaded column 8 is in contact with the surface of the connecting plate 6.

[0046] The contact surfaces between any two of the lock nut 7, the connecting plate 6 and the anti-collision rubber block 9 are closely attached.

[0047] The surface of the stop fixing part 1 adopts an electroplating process.

[0048] The electroplating process is added, and arcs are used in many places on the outer shape. On the premise of ensuring the service performance, materials are saved, costs are reduced, and the safety performance during the use of the rotary stop is improved; the stop fixing member 1 has stronger corrosion resistance and is more environmentally friendly. It will be fixed on the waist ring of the jib crane during use, which is convenient for disassembly and assembly, and increases stability, facilitating use.

[0049] The present utility model is not limited to the above embodiments. No matter what changes are made in its shape or structure, they all fall within the protection scope of the present utility model. The protection scope of the present utility model is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principle and essence of the present utility model, but these changes and modifications all fall within the protection scope of the present utility model.

Claims

1. A new type of rotation stop, characterized in that: The rotation stop comprises: A stopper fixing member (1), wherein an inner wall of one side of the stopper fixing member (1) is provided with a limiting groove (2) for limiting the waist ring of the cantilever crane; A connecting component is provided, wherein the connecting component is used for connecting a stop fixing (1) and an anti-collision rubber block (9).

2. The novel rotation stopper according to claim 1 is characterized in that: The outer edges of the stop fixing member (1) are all made in the form of circular arc chamfers and are formed by bending.

3. The novel rotation stopper according to claim 1 is characterized in that: The inner cavity of the stop fixing member (1) is arranged in an arc shape, and the inner cavity of the stop fixing member (1) is arranged in cooperation with the waist ring of the cantilever crane.

4. The novel rotation stopper according to claim 1 is characterized in that: An elastic rubber plate (3) is installed on the inner wall of a limiting groove (2) provided on the inner wall of one side of the stop fixing member (1), and a hexagon socket bolt (4) is threadedly connected to the other side of the corresponding stop fixing member (1).

5. The novel rotation stopper according to claim 4 is characterized in that: The number of the hexagon socket bolts (4) is two, and a rubber column (5) is installed at the end of the hexagon socket bolt (4), and the rubber column (5) is used to limit the waist ring of the cantilever crane.

6. The novel rotation stopper according to claim 1 is characterized in that: The connection assembly comprises a connection plate (6), a threaded column (8) and a locking nut (7); the connection plate (6) is fixedly mounted on the stop fixing member (1); the threaded column (8) passes through the surface of the connection plate (6); and the locking nut (7) is threadedly sleeved on the surface of the threaded column (8).

7. The novel rotation stopper according to claim 6 is characterized in that: The number of the threaded columns (8) is two, and the two threaded columns (8) are placed in parallel.

8. The novel rotation stopper according to claim 1 is characterized in that: The anti-collision rubber block (9) is fixedly connected to the threaded column (8), and the anti-loosening nut (7) sleeved on the surface of the threaded column (8) is in contact with the surface of the connecting plate (6).

9. The novel rotation stopper according to claim 6 is characterized in that: The contact surfaces of two of the anti-loosening nut (7), the connecting plate (6) and the anti-collision rubber block (9) are tightly fitted.

10. The novel rotation stopper according to claim 1 is characterized in that: The surface of the stop fixing part (1) is electroplated.

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