Z-shaped wrench for fastening sieve plate of vibrating sieve

Abstract

The utility model discloses a 'Z'-shaped wrench for fastening a sieve plate of a vibrating sieve, which relates to the technical field of sieve plate fastening tools and comprises a connecting rod extending into the lower part of the sieve plate through sieve holes of the sieve plate, a sleeve for sleeving a bolt or a nut is arranged at one end of the connecting rod extending into the lower part of the sieve plate, and a handheld rod is arranged at the extending end of the connecting rod. The connecting rod and the sleeve can extend into the lower portion of the screen plate through the screen holes, the sleeve is aligned with and sleeved with a nut to be fastened to fasten a bolt, a worker can fasten the bolt on the screen and does not need to enter the lower portion of the screen for operation, potential safety hazards caused when the worker enters the lower portion of the screen are eliminated, and the fastening efficiency is high.

Description

Technical Field

[0001] The utility model relates to the technical field of screen plate fastening tools, in particular to a "Z"-shaped wrench used for fastening a vibrating screen screen plate. Background Art

[0002] In existing mining vibrating screen plate fastening operations, bolts are typically used to secure the screen plates to the screen box. However, due to the impact of the coal flow from the mine hoist, the bolts are prone to loosening. Maintenance workers need to tighten these loose bolts daily. However, due to size and design limitations, traditional tools make it difficult to tighten bolts and nuts under the screen plates. This requires the coordination of multiple people, and workers need to use ladders and safety belts to access the screen. This poses significant safety risks and low efficiency. Utility Model Content

[0003] The purpose of the utility model is to provide a "Z"-shaped wrench for fastening the sieve plate of a vibrating screen, aiming to solve the technical problems of large safety hazards and low efficiency in fastening the sieve plate bolts in the prior art.

[0004] In order to solve the above technical problems, the technical solution of the utility model is:

[0005] A "Z"-shaped wrench for tightening a vibrating screen plate comprises a connecting rod that extends through the screen holes of the screen plate and into the bottom of the screen plate; one end of the connecting rod extending into the bottom of the screen plate is provided with a sleeve for inserting bolts or nuts; and the protruding end of the connecting rod is provided with a hand-held rod.

[0006] With the above structure, the connecting rod and the sleeve can be inserted into the bottom of the sieve plate through the sieve hole, and the sleeve is aligned and inserted into the nut to be tightened to tighten the bolt. Workers can tighten the bolts on the sieve without the need for workers to enter under the sieve to operate, eliminating the safety hazards of workers entering under the sieve and achieving high tightening efficiency.

[0007] Preferably, the protruding end of the connecting rod is provided with an anti-drop support rod. The anti-drop support rod is always located on the sieve plate, which prevents the wrench from slipping from the sieve hole due to the worker's loosening during operation, thereby improving the safety of maintenance.

[0008] Preferably, the connecting rod comprises an inserting portion passing through the sieve hole and a connecting portion extending forward from the lower end of the inserting portion. The arrangement of the inserting portion and the connecting portion enables the sleeve to reach below the nut.

[0009] Preferably, the connecting rod and the handle rod form the handle of the wrench, and the handle is arranged in a Z shape. The design of the "Z" shape structure enables the wrench to adapt to various working environments with different space requirements, thereby increasing the scope of application of the wrench.

[0010] Preferably, the connecting rod and the handle are integrally formed, which can improve the strength of the wrench and increase the service life of the wrench.

[0011] Preferably, the anti-drop support rod is arranged at the connection between the connecting rod and the hand-held rod. The anti-drop support rod is arranged at the connection between the connecting rod and the hand-held rod, which enhances the stability of the wrench and reduces the risk of slipping during operation.

[0012] Preferably, the anti-drop support rod is perpendicular to the hand-held rod. The anti-drop support rod is perpendicular to the hand-held rod, so that the hand-held rod cannot slide from the sieve hole under the restriction of the anti-drop support rod.

[0013] Preferably, the two ends of the anti-drop support rod extend outwards and are symmetrical about the hand-held rod. The two ends of the anti-drop support rod extend outwards and are symmetrical about the hand-held rod, so that the two sides of the hand-held rod are evenly stressed, which is convenient for workers to operate.

[0014] Preferably, the connecting rod and the hand-held rod are hollow rods. The connecting rod and the hand-held rod are hollow rods, which can reduce the weight of the wrench and facilitate the operation of workers.

[0015] Preferably, the inner hole of the sleeve is plum blossom-shaped.

[0016] After adopting the above technical solution, the beneficial effects of the utility model are:

[0017] The connecting rod and sleeve in the utility model can be inserted into the bottom of the sieve plate through the sieve hole, and the sleeve is aligned and inserted into the nut to be tightened to tighten the bolt. The worker can tighten the bolt on the sieve without the need for the worker to enter under the sieve to operate, thereby eliminating the safety hazard of the worker entering under the sieve and achieving high tightening efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a structural diagram of a "Z"-shaped wrench for fastening a vibrating screen plate according to the utility model;

[0019] Figure 2 This is a schematic diagram of a wrench usage scenario.

[0020] In the figure, connecting rod 1, sleeve 2, hand-held rod 3, anti-drop support rod 4, insertion part 5, connecting part 6, bolt 7, sieve plate 8, sieve hole 9, mounting plate 10. DETAILED DESCRIPTION

[0021] The present invention will be further described below with reference to the accompanying drawings.

[0022] The orientations mentioned in this specification are based on the orientations of the "Z"-shaped wrench for tightening the vibrating screen plate of the present invention during normal operation. The orientations during storage and transportation are not limited and only represent relative positional relationships, not absolute positional relationships.

[0023] like Figure 1 and Figure 2As shown, a "Z"-shaped wrench for tightening the vibrating screen plate includes a connecting rod 1 that extends through the screen holes 9 of the screen plate 8 and into the bottom of the screen plate 8. The end of the connecting rod 1 that extends into the bottom of the screen plate 8 is provided with a sleeve 2 for inserting a bolt 7 or a nut. The protruding end of the connecting rod 1 is provided with a handle 3. The inner hole of the sleeve 2 can be set to a plum blossom shape or a hexagonal inner shape according to the condition of the bolt 7.

[0024] The connecting rod 1 and the sleeve 2 can be inserted into the bottom of the sieve plate 8 through the sieve hole 9, and the sleeve 2 is aligned and inserted into the nut to be tightened, and the bolt 7 is tightened. Workers can tighten the bolt 7 on the sieve without the need for workers to enter under the sieve to operate, eliminating the safety hazards of workers entering under the sieve and achieving high tightening efficiency.

[0025] Among them, the sleeve 2 is welded to the connecting rod 1. The sleeve 2 can be made of a plum blossom sleeve 2. 2 / 3 of the plum blossom sleeve 2 is cut off, and 1 / 3 of the lock nut is retained to facilitate locking the nut under the screen.

[0026] Among them, the inner hole of the sleeve 2 is plum blossom-shaped, which is suitable for nuts of various specifications and has strong versatility. Moreover, after twisting a certain angle, the sleeve 2 can be realigned with the nut and continued to be tightened.

[0027] A mounting plate 10 is installed on the screen box, and both ends of the mounting plate 10 are respectively installed on the two side plates of the screen box. The screen plate 8 is installed on the mounting plate 10 by means of bolts 7 and nuts.

[0028] The wrench in the utility model can be used as a tightening tool and also as an auxiliary tool. One person holds the wrench of the utility model to clamp the nut below the sieve plate 8 to fix the nut, and another person holds the electric wrench to tighten the bolt 7 above the sieve plate 8. Both methods do not require workers to enter under the sieve plate 8 to fix or tighten the nuts.

[0029] As a preferred example of this embodiment, the protruding end of the connecting rod 1 is provided with an anti-drop support rod 4. The anti-drop support rod 4 is always located on the sieve plate 8, which prevents the worker from letting go during operation and causing the wrench to slip from the sieve hole 9, thereby improving the safety of maintenance.

[0030] As a preferred example of this embodiment, the connecting rod 1 includes an insertion portion 5 passing through the sieve hole 9 and a connecting portion 6 extending forward from the lower end of the insertion portion 5. The arrangement of the insertion portion 5 and the connecting portion 6 allows the sleeve 2 to reach below the nut.

[0031] As a preferred example of this embodiment, the connecting rod 1 and the handle 3 form the handle of the wrench, which is arranged in a Z shape. The "Z"-shaped structure design allows the wrench to be flexibly operated in the limited space below the screen plate 8 without interfering with the screen plate 8 or other components of the vibrating screen. The wrench can adapt to various working environments with different space requirements, thereby expanding the wrench's scope of application.

[0032] As a preferred example of this embodiment, the connecting rod 1 and the handle rod 3 are integrally formed. The connecting rod 1 and the handle rod 3 are integrally formed, which can improve the strength of the wrench and increase the service life of the wrench.

[0033] As a preferred embodiment of this embodiment, an anti-drop support rod 4 is provided at the junction of the connecting rod 1 and the handle 3. This position enhances the stability of the wrench and reduces the risk of slipping during operation. Preferably, the anti-drop support rod 4 is welded to the handle.

[0034] As a preferred example of this embodiment, the anti-drop support rod 4 is perpendicular to the handheld rod 3. The anti-drop support rod 4 is perpendicular to the handheld rod 3, so that the handheld rod 3 cannot slide from the sieve hole 9 under the restriction of the anti-drop support rod 4.

[0035] As a preferred example of this embodiment, both ends of the anti-drop support rod 4 extend outward and are symmetrical with respect to the hand-held rod 3. The both ends of the anti-drop support rod 4 extend outward and are symmetrical with respect to the hand-held rod 3, so that the force on both sides of the hand-held rod 3 is evenly applied, which is convenient for workers to operate.

[0036] As a preferred example of this embodiment, the connecting rod 1 and the hand-held rod 3 are hollow rods. The connecting rod 1 and the hand-held rod 3 are hollow rods, which can reduce the weight of the wrench and facilitate the operation of the worker.

[0037] The method of using the Z-shaped wrench of the present invention is as follows: insert the sleeve 2 of the wrench through the sieve hole 9 to below the sieve plate 8; align the sleeve 2 and insert it into the nut to be tightened; hold the hand-held rod 3 above the sieve plate 8, and use the advantages of the "Z"-shaped structure to apply force in the limited space below the sieve plate 8 to tighten or loosen the nut, thereby completing the tightening of the sieve plate 8. In addition, during the process of tightening or loosening the nut, the anti-drop support rod 4 plays a role in preventing the wrench from slipping.

[0038] Of course, the above description is not a limitation of the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions or substitutions made by technicians in this technical field within the essential scope of the present invention should also fall within the scope of protection of the present invention.

Claims

1. A "Z" shaped wrench for tightening the vibrating screen plate, characterized in that: The utility model comprises a connecting rod which is inserted into the bottom of the sieve plate through the sieve holes of the sieve plate. One end of the connecting rod which is inserted into the bottom of the sieve plate is provided with a sleeve for inserting a bolt or a nut. The protruding end of the connecting rod is provided with a hand-held rod.

2. A "Z" shaped wrench for tightening a vibrating screen plate according to claim 1, characterized in that: The protruding end of the connecting rod is provided with an anti-falling support rod.

3. A "Z" shaped wrench for tightening a vibrating screen plate according to claim 2, characterized in that: The connecting rod includes an inserting portion passing through the sieve hole and a connecting portion extending forward from a lower end of the inserting portion.

4. A "Z" shaped wrench for tightening a vibrating screen plate according to claim 3, characterized in that: The connecting rod and the hand-held rod form a handle body of the wrench, and the handle body is arranged in a Z shape.

5. A "Z" shaped wrench for tightening a vibrating screen plate according to claim 4, characterized in that: The connecting rod and the hand-held rod are integrally formed.

6. A "Z" shaped wrench for tightening a vibrating screen plate according to claim 5, characterized in that: The anti-falling support rod is arranged at the connection between the connecting rod and the hand-held rod.

7. A "Z" shaped wrench for tightening a vibrating screen plate according to claim 6, characterized in that: The anti-fall support rod is perpendicular to the hand-held rod.

8. A "Z" shaped wrench for tightening a vibrating screen plate according to claim 7, characterized in that: Both ends of the anti-fall support rod extend outwards and are symmetrical with respect to the hand-held rod.

9. A "Z" shaped wrench for tightening a vibrating screen plate according to claim 1, characterized in that: The connecting rod and the hand-held rod are hollow rods.

10. A "Z" shaped wrench for tightening a vibrating screen plate according to any one of claims 1 to 9, characterized in that: The inner hole of the sleeve is in a plum blossom shape.

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