Multifunctional pliers for nuclear power overhaul

By introducing a fall arrestor rope and hook structure into the multi-functional pliers used in nuclear power plant maintenance, the problem of pliers easily falling off has been solved, thereby improving safety and stability during nuclear power plant maintenance.

CN223889773UActive Publication Date: 2026-02-10彭莉
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Patent Information

Application Number
CN202520390690.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-06
Publication Date
2026-02-10
Estimated Expiration
2035-03-06

AI Technical Summary

Technical Problem

The existing nuclear power plant maintenance pliers lack effective fall protection measures during use, which can easily lead to falls from heights and affect safety.

Method used

A multi-functional clamp for nuclear power plant maintenance was designed. It adopts a fall protection rope and hook structure. The clamp body is connected to the safety belt through the combination of rotating rod, limit tooth plate, support spring, locking block and support sleeve to prevent falls. The grip stability is improved by the guide structure and anti-slip rubber sleeve.

Benefits of technology

This effectively prevents the clamps from falling from heights during nuclear power plant maintenance, improves safety and the stability of the fall arrest rope during winding, and enhances the safety and convenience of operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a nuclear power overhaul multifunctional clamp which comprises a clamp body, the left end of the clamp body is movably connected with a rotating shaft, the front surface of the rotating shaft is fixedly connected with a fixing seat, the middle end of the front surface of the fixing seat is movably connected with a supporting sleeve through a bearing, and an inner cavity of the supporting sleeve is movably connected with a rotating rod. The connecting strength between the rotating shaft and the fixing seat is effectively improved through the arrangement of the reinforcing block, the abrasion of the anti-falling rope in the moving process can be reduced while the anti-falling rope is guided through the arrangement of the plastic guide ring, the purpose of guiding the position between the rotating rod and the supporting sleeve is achieved through the arrangement of the guide groove and the guide block, and the safety of the anti-falling rope is improved. According to the nuclear power maintenance clamp, synchronous rotation between the rotating rod and the supporting sleeve can be guaranteed, through arrangement of an anti-skid rubber sleeve and anti-skid protruding strips, the anti-skid effect when nuclear power maintenance personnel hold the clamp body is effectively improved, and through arrangement of a rotary knob, the personnel can conveniently pull and rotate the rotating rod.
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Description

TECHNICAL FIELD

[0001] The utility model relates to nuclear power overhauls technical field, concretely is a kind of nuclear power overhaul multifunctional pliers. BACKGROUND

[0002] Nuclear power overhaul refers to the periodic inspection and maintenance of nuclear power plant to ensure its safety and reliability. The main purpose of nuclear power overhaul is to find and solve potential safety hazards of equipment, prevent equipment failure, thereby prolonging the service life of equipment and improving the overall operation efficiency of nuclear power plant. During the process of nuclear power overhaul, pliers are often used, which can cut and bend wires or metal wires, and facilitate personnel to tighten or loosen nuts. However, the current pliers lack effective anti-falling protection, and are prone to falling from high altitude due to personnel's mistake during the process of nuclear power overhaul, thereby causing adverse effects on personnel and equipment below. SUMMARY

[0003] The utility model aims at providing a kind of nuclear power overhaul multifunctional pliers, with effective anti-falling structure, avoid pliers falling during use, improve the overall use safety.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of nuclear power overhaul multifunctional pliers, including pliers body, the left end of the pliers body is movably connected with rotating shaft, the positive surface of the rotating shaft is fixedly connected with fixed seat, the middle end of the positive surface of the fixed seat is movably connected with support sleeve through bearing, the inner cavity of the support sleeve is movably connected with rotating rod, the back of the rotating rod is fixedly connected with limit tooth disc, the surface of the limit tooth disc is movably connected with clamping block, the back of the clamping block is fixedly connected in the inner cavity of fixed seat, the positive surface of the limit tooth disc is fixedly connected with support spring, the positive surface of the support spring is fixedly connected with reel between the outer surface of support sleeve, the bottom of the reel is fixedly connected with anti-falling rope, the bottom of the anti-falling rope is fixedly connected with hook.

[0005] As a preferred scheme, the back of the fixed seat is fixedly connected with reinforcing block around, and the surface of the reinforcing block is fixedly connected with the surface of the rotating shaft.

[0006] As a preferred scheme, the middle end of the bottom of the fixed seat is fixedly connected with plastic guide ring, and the surface of the anti-falling rope is movably connected with the inner cavity of the plastic guide ring.

[0007] As a preferred scheme, the middle end of the top of the rotating rod is provided with guide groove, the top of the inner cavity of the support sleeve is fixedly connected with guide block, and the surface of the guide block is movably connected with the surface of the guide groove.

[0008] As a preferred scheme, the right end of the pliers body is sleeved with anti-skid rubber sleeve, and the surface of the anti-skid rubber sleeve is fixedly connected with anti-skid convex strip.

[0009] As a preferred scheme, the number of the clamping blocks is four, and the distance between two adjacent clamping blocks is equal.

[0010] As a preferred scheme, the front surface of the rotating rod is fixedly connected with a knob.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] 1、The utility model discloses a fixing seat for nuclear power maintenance personnel, which comprises a clamping body, a fixing seat, a non-slip rubber sleeve, a falling rope, a hook, a rotating shaft, a reinforcing block, a clamping block, a plastic guide ring, a limiting tooth disc, a supporting spring, a winding reel, a guide groove and a guide block.

[0013] 2、The utility model discloses a fixing seat for nuclear power maintenance personnel, which comprises a clamping body, a fixing seat, a non-slip rubber sleeve, a falling rope, a hook, a rotating shaft, a reinforcing block, a clamping block, a plastic guide ring, a limiting tooth disc, a supporting spring, a winding reel, a guide groove and a guide block. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a perspective view of the utility model;

[0015] Figure 2 It is a back structure schematic view of the utility model;

[0016] Figure 3 It is a back structure schematic view of the utility model fixing seat;

[0017] Figure 4 It is a left side sectional structure schematic view of the utility model fixing seat.

[0018] In the drawing: 1, clamping body;2, fixing seat;3, non-slip rubber sleeve;4, falling rope;5, hook;6, rotating shaft;7, reinforcing block;8, clamping block;9, plastic guide ring;10, limiting tooth disc;11, supporting spring;12, winding reel;13, guide groove;14, guide block;15, knob;16, rotating rod;17, supporting sleeve. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0020] Secondly, the "one embodiment" or "embodiment" referred to herein can include specific features, structures or characteristics in at least one implementation of the present application. "In one embodiment" appearing in different places in the specification does not refer to the same embodiment, nor is it an embodiment that is independent of or selected from other embodiments.

[0021] Embodiment one:

[0022] Please refer to Figures 1-4 The utility model provides a nuclear power overhaul multifunctional clamp, including the clamp body 1, the left end swing joint of clamp body 1 has the pivot 6, the positive surface fixedly connected with fixed seat 2 of pivot 6, the middle end of fixed seat 2 positive surface is swing joint with support sleeve 17 through the bearing, the inner chamber swing joint with the rotating rod 16 of support sleeve 17, the back surface fixedly connected with the limit tooth disc 10 of rotating rod 16, the surface swing joint with the clamping block 8 of limit tooth disc 10, the back surface fixedly connected with the inner chamber of fixed seat 2 of clamping block 8, the positive surface fixedly connected with support spring 11 of limit tooth disc 10, the positive surface of support spring 11 and the outer surface between support sleeve 17 are fixedly connected with reel 12, the bottom fixedly connected with the anti -fall rope 4 of reel 12, the bottom fixedly connected with the hook 5 of anti -fall rope 4.

[0023] In the technical scheme, the anti -fall rope 4 and the hook 5 are arranged, the clamp body 1 and the belt or the safety belt can be connected during use of the nuclear power overhaul personnel, the high-altitude falling of the clamp body 1 during use is avoided effectively, and the safety of the whole use is improved, the rotating rod 16, the limit tooth disc 10, the support spring 11, the clamping block 8, the support sleeve 17 and the reel 12 are arranged, the anti -fall rope 4 can be reeled in when the clamp body 1 is idle, and the anti -fall rope 4 can be effectively limited after reeling in, the anti -fall rope 4 is prevented from winding during overall placement due to overlong extension, and the stability of the anti -fall rope 4 reeling and placing is improved.

[0024] Embodiment two:

[0025] Based on the embodiment one, the utility model as shown in Figures 1-4As shown, the back of the fixed seat 2 is fixedly connected with the reinforcing block 7, the surface of the reinforcing block 7 is fixedly connected with the surface of the rotating shaft 6, the middle end of the bottom of the fixed seat 2 is fixedly connected with the plastic guide ring 9, the surface of the anti-falling rope 4 is movably connected with the inner cavity of the plastic guide ring 9, the middle end of the top of the rotating rod 16 is provided with the guide groove 13, the top of the inner cavity of the supporting sleeve 17 is fixedly connected with the guide block 14, the surface of the guide block 14 is movably connected with the surface of the guide groove 13, the right end of the clamp body 1 is provided with the anti-skid rubber sleeve 3, the surface of the anti-skid rubber sleeve 3 is fixedly connected with the anti-skid convex strip, the number of the clamping block 8 is four, the distance between the adjacent two clamping blocks 8 is equal, and the front surface of the rotating rod 16 is fixedly connected with the knob 15.

[0026] In the technical scheme, the reinforcing block 7 is arranged, the strength of the connection between the rotating shaft 6 and the fixed seat 2 is effectively improved, the plastic guide ring 9 is arranged, the anti-falling rope 4 can be guided and the abrasion of the anti-falling rope 4 in the movement process is reduced, the guide groove 13 and the guide block 14 are arranged, the rotating rod 16 and the supporting sleeve 17 are guided, the rotating rod 16 and the supporting sleeve 17 can keep synchronous rotation, the anti-skid rubber sleeve 3 and the anti-skid convex strip are arranged, the anti-skid effect of the nuclear power maintenance personnel when holding the clamp body 1 is effectively improved, and the rotating rod 16 is arranged, the rotating rod 16 is convenient to pull and rotate.

[0027] The working principle of the utility model is: through the arrangement of the anti-falling rope 4 and the hook 5, the clamp body 1 and the trousers or the safety belt can be connected during the use of the nuclear power maintenance personnel, the clamp body 1 can be effectively prevented from falling from the sky during the use, the safety of the whole use is improved, when the personnel need to store and place the clamp body 1, the rotating rod 16 is moved to the right side by pulling, the limiting toothed disc 10 can be driven to move, the supporting spring 11 can be compressed, the clamping block 8 can be separated from the tooth groove on the limiting toothed disc 10, then the personnel can rotate the rotating rod 16 to drive the supporting sleeve 17 and the reel 12 to rotate, the anti-falling rope 4 can be continuously wound under the action of the reel 12 rotation, the anti-falling rope 4 can be effectively prevented from winding during the whole placement process due to the overlong extension, when the anti-falling rope 4 is wound, the limiting toothed disc 10 can be moved under the tension of the supporting spring 11, the clamping block 8 can be inserted into the tooth groove on the limiting toothed disc 10 again, the limiting toothed disc 10, the rotating rod 16, the supporting sleeve 17 and the reel 12 can be effectively limited, the anti-falling rope 4 can be prevented from being unwound by the reel 12 due to the stress during the placement process, the stability of the anti-falling rope 4 winding and placement is improved.

[0028] It is important to note that the construction and arrangement of the application shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review the present disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters, mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in the present application. For example, elements shown as integrally formed can be constructed of multiple parts or elements, the position of elements can be reversed or otherwise varied, and the nature or number of elements or positions can be altered or varied. Accordingly, all such modifications are intended to be included within the scope of the present application. The order or sequence of any process or method steps can be varied or re-sequenced without materially affecting the application. Any "means plus function" clauses are intended to cover the structures described herein as performing the recited functionality and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes, and omissions can be made in the design, operating

[0029] Also, to provide a concise description of the exemplary embodiments, not all features of an actual implementation can be described (i.e., those related to the

[0030] Finally, it should be noted that the above-mentioned embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the protective scope of the present application. Although the present application is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application.

Claims

1. A multi-functional clamp for nuclear power plant maintenance, comprising a clamp body (1), characterized in that: The left end of the clamp body (1) is movably connected to a rotating shaft (6). A fixed seat (2) is fixedly connected to the front surface of the rotating shaft (6). A support sleeve (17) is movably connected to the middle end of the front surface of the fixed seat (2) via a bearing. A rotating rod (16) is movably connected to the inner cavity of the support sleeve (17). A limiting gear disc (10) is fixedly connected to the back of the rotating rod (16). A locking block (8) is movably connected to the surface of the limiting gear disc (10). The back of the locking block (8) is fixedly connected to the inner cavity of the fixed seat (2). A support spring (11) is fixedly connected to the front surface of the limiting gear disc (10). A reel (12) is fixedly connected between the front surface of the support spring (11) and the outer surface of the support sleeve (17). A fall arrest rope (4) is fixedly connected to the bottom of the reel (12). A hook (5) is fixedly connected to the bottom of the fall arrest rope (4).

2. The multi-functional clamp for nuclear power plant maintenance according to claim 1, characterized in that: The back of the fixed base (2) is fixedly connected with reinforcing blocks (7) around its four sides, and the surface of the reinforcing blocks (7) is fixedly connected to the surface of the rotating shaft (6).

3. The multi-functional clamp for nuclear power plant maintenance according to claim 1, characterized in that: A plastic guide ring (9) is fixedly connected to the middle of the bottom of the fixed base (2), and the surface of the anti-fall rope (4) is movably connected to the inner cavity of the plastic guide ring (9).

4. The multi-functional clamp for nuclear power plant maintenance according to claim 1, characterized in that: The top of the rotating rod (16) has a guide groove (13) at the middle end, and the top of the inner cavity of the support sleeve (17) is fixedly connected to a guide block (14), the surface of the guide block (14) is movably connected to the surface of the guide groove (13).

5. A multi-functional clamp for nuclear power plant maintenance according to claim 1, characterized in that: The right end of the clamp body (1) is fitted with an anti-slip rubber sleeve (3), and the surface of the anti-slip rubber sleeve (3) is fixedly connected with anti-slip ridges.

6. A multi-functional clamp for nuclear power plant maintenance according to claim 1, characterized in that: The number of card blocks (8) is four, and the distance between any two adjacent card blocks (8) is equal.

7. A multi-functional clamp for nuclear power plant maintenance according to claim 1, characterized in that: A knob (15) is fixedly connected to the front surface of the rotating rod (16).