Detachable fastener for nuclear power plant thermal equipment cylinder

By designing detachable fasteners for the shells of thermal equipment in nuclear power plants, the problem of inconvenient installation and disassembly in existing technologies has been solved, enabling convenient fastening and disassembly processes, improving ease of use and fastening support, and providing thermal insulation protection.

CN223757269UActive Publication Date: 2026-01-02ZHONGTU FASTENER (KUNSHAN) CO LTD
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Patent Information

Application Number
CN202422926845.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-29
Publication Date
2026-01-02
Estimated Expiration
2034-11-29

AI Technical Summary

Technical Problem

The fasteners on the existing thermal equipment cylinders of nuclear power plants are inconvenient to install and disassemble, affecting ease of use.

Method used

A detachable fastener is designed, comprising a device cylinder body, a first reinforcing fastening ring, and a second reinforcing fastening ring. It is equipped with a disassembly and assembly mechanism, a reinforcing rod, and a heat insulation pad. Quick installation and disassembly are achieved through a disassembly button and a return spring.

Benefits of technology

It improves the ease of installation and disassembly efficiency of the thermal equipment shell in nuclear power plants, enhances the fastening support, and provides thermal insulation protection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of nuclear power equipment fastening, and discloses a nuclear power plant thermal equipment barrel detachable fastener which comprises an equipment barrel body, a first reinforcing fastening ring and a second reinforcing fastening ring, the first reinforcing fastening ring is movably installed at the left end of the outer end of the equipment barrel body, and the second reinforcing fastening ring is movably installed at the right end of the outer end of the equipment barrel body. A second reinforcing and fastening ring is movably mounted at the right end of the outer end of the equipment barrel body, and a dismounting and mounting mechanism is arranged at the upper end of the first reinforcing and fastening ring and the upper end of the second reinforcing and fastening ring; and the dismounting mechanism comprises a first mounting block, a second mounting block and a dismounting button. According to the detachable fastener for the thermal equipment barrel of the nuclear power plant, the mounting, fastening and dismounting capabilities of the detachable fastener are improved by mounting the dismounting and mounting mechanism, in the actual use process, the equipment barrel body can be quickly fastened and mounted according to use requirements, the detachable fastener is convenient to dismount, and the practicability of the detachable fastener is improved. And the use convenience of the detachable fastener for the thermal equipment barrel of the nuclear power plant is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to nuclear power plant fastening technical field, concretely is a kind of nuclear power plant thermal equipment cylinder detachable fastener. BACKGROUND

[0002] Nuclear power plant thermal equipment cylinder is usually fixed and installed with bolt to insulation cotton when carrying out heat preservation installation, it is not convenient during installation and disassembly, thus needs to use a kind of nuclear power plant thermal equipment cylinder detachable fastener to install and fix, and it is convenient to disassemble overhaul operation.

[0003] The patent document of the existing authorized announcement No.CN217463752U discloses a kind of nuclear power plant thermal equipment cylinder detachable heat preservation fixed support, the bracket block A and bracket block B in the utility model are arc frame structure, and are divided into two layers of inside and outside;Bracket block A and bracket block B are connected by bolt fastener, and are surrounded into annular longitudinal support;Longitudinal support has two, respectively sets in the front and rear of equipment body outside;One layer of cross bar is composed of round steel and two connecting plates welded on round steel;The other side of the two connecting plates of one layer of cross bar is respectively fixed on two longitudinal supports;The heat preservation block is flexible structure, multiple connection belts are arranged on the edge of heat preservation block, and heat preservation block is laid around the outer surface of equipment body by the cooperation of connection belt and square knot.

[0004] But since the dismounting capacity of the existing authorized announcement No.CN217463752U patent technology is not good when using, it is not convenient to fasten installation to cylinder according to the need of use in actual use process, it is not convenient to install and dismount using bolt to fasten installation, affect use convenience. UTILITY MODEL CONTENTS

[0005] (One) technical problem solved

[0006] The utility model aims at providing a kind of nuclear power plant thermal equipment cylinder detachable fastener, to solve the problem that existing technology is not convenient to fasten installation to cylinder according to the need of use in the above background art, it is not convenient to install and dismount using bolt to fasten installation.

[0007] (Two) technical scheme

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of nuclear power plant thermal equipment cylinder detachable fastener, including equipment cylinder body, first reinforcing fastening ring and second reinforcing fastening ring, the left end of the outer end of equipment cylinder body is movably installed with first reinforcing fastening ring, the right end of the outer end of equipment cylinder body is movably installed with second reinforcing fastening ring, and the upper end of first reinforcing fastening ring and second reinforcing fastening ring is provided with dismounting mechanism;

[0009] The dismounting mechanism comprises a first mounting block, a second mounting block and a dismounting button, the inner end of the front end of the first reinforcing fastening ring and the second reinforcing fastening ring is fixedly provided with the first mounting block, the inner end of the rear end of the first reinforcing fastening ring and the second reinforcing fastening ring is fixedly provided with the second mounting block, and the left and right ends of the first mounting block are movably provided with the dismounting button.

[0010] Preferably, the inner end of the first mounting block is provided with a first mounting groove, the right end of the dismounting button is fixedly provided with a first limiting plate, and the first limiting plate is located in the inner end of the first mounting groove.

[0011] Preferably, the right end of the first limiting plate is fixedly provided with a dismounting rod, the right end of the first limiting plate is fixedly provided with a first reset spring, and the right end of the first reset spring is fixedly connected to the right end of the inner end of the first mounting groove.

[0012] Preferably, the rear end of the first mounting block is provided with a mounting groove, the front end of the second mounting block is fixedly provided with a mounting connecting block, and the left and right ends of the inner end of the first mounting block are provided with connecting clamping grooves.

[0013] Preferably, the left and right ends of the mounting connecting block are movably provided with connecting buckles, the inner end of the mounting connecting block is provided with a second mounting groove, the right end of the connecting buckle is fixedly provided with a second limiting plate, the second limiting plate is located in the inner end of the second mounting groove, the right end of the second limiting plate is fixedly provided with a second reset spring, and the right end of the second reset spring is fixedly connected to the inner end of the second mounting groove.

[0014] Preferably, the middle part of the first reinforcing fastening ring and the second reinforcing fastening ring is movably provided with a movable connecting piece, the inner end of the first reinforcing fastening ring and the second reinforcing fastening ring is fixedly provided with a first heat insulation pad, a plurality of reinforcing rods are uniformly fixedly arranged between the first reinforcing fastening ring and the second reinforcing fastening ring, and the inner end of the reinforcing rod is fixedly provided with a second heat insulation pad.

[0015] Preferably, the rear end of the first mounting block is uniformly provided with a plurality of positioning insertion grooves, the front end of the second mounting block is uniformly fixedly provided with a plurality of positioning insertion rods, and the positioning insertion rods correspond to the positioning insertion grooves.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] 1、The nuclear power plant thermal equipment cylinder detachable fastener, through the installation of the dismounting mechanism, the installation fastening and the dismounting capacity of the utility model are improved, in the actual use process, can fasten and install the equipment cylinder body according to the use needs, and the dismounting operation is convenient, the use convenience of the nuclear power plant thermal equipment cylinder detachable fastener is improved.

[0018] 2、The detachable fastener of the nuclear power plant thermal equipment cylinder can improve the fastening capacity by installing the reinforcing rod and the second heat insulation pad, plays an auxiliary role in improving the fastening and installation supportability in the actual use process, and improves the practicality of the detachable fastener of the nuclear power plant thermal equipment cylinder. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0020] Figure 2 It is a three-dimensional structure schematic diagram of the utility model;

[0021] Figure 3 It is a three-dimensional structure schematic diagram of the utility model; Figure 1 ;

[0022] Figure 4 It is a three-dimensional structure schematic diagram of the utility model; Figure 2 ;

[0023] Figure 5 It is a three-dimensional structure schematic diagram of the utility model;

[0024] In the drawing: 1, equipment cylinder body; 2, first reinforcing fastening ring; 3, second reinforcing fastening ring; 4, dismounting mechanism; 401, first installation block; 402, second installation block; 403, dismounting button; 404, first installation slot; 405, first limiting plate; 406, dismounting rod; 407, first return spring; 408, installation recess; 409, installation connecting block; 410, connecting clamping groove; 411, connecting buckle; 412, second installation slot; 413, second limiting plate; 414, second return spring; 5, movable connecting piece; 6, first heat insulation pad; 7, reinforcing rod; 8, second heat insulation pad; 9, positioning slot; 10, positioning rod. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] Please refer to Figures 1-5The utility model provides a technical scheme: a detachable fastener of nuclear power plant thermal equipment cylinder, including equipment cylinder body 1, first reinforcing fastening ring 2 and second reinforcing fastening ring 3, the left end swing mounting of equipment cylinder body 1 outer end has first reinforcing fastening ring 2, the right end swing mounting of equipment cylinder body 1 outer end has second reinforcing fastening ring 3, and the upper end of first reinforcing fastening ring 2 and second reinforcing fastening ring 3 is provided with dismounting mechanism 4;

[0027] Dismounting mechanism 4 includes first mounting block 401, second mounting block 402 and dismounting button 403, and the inner end fixed mounting of first reinforcing fastening ring 2 and second reinforcing fastening ring 3 front end has first mounting block 401, and the inner end fixed mounting of first reinforcing fastening ring 2 and second reinforcing fastening ring 3 rear end has second mounting block 402, and the left and right ends swing mounting of first mounting block 401 has dismounting button 403, and the inner end of first mounting block 401 is equipped with first installation groove 404, and the right end fixed mounting of dismounting button 403 has first limiting plate 405, and first limiting plate 405 is located in the interior of first installation groove 404, and the right end fixed mounting of first limiting plate 405 has dismounting rod 406, and the right end fixed mounting of first limiting plate 405 has first return spring 407, and the right end fixed connection of first return spring 407 is in the right end of first installation groove 404 inner end, and the rear end of first mounting block 401 is equipped with installation recess 408, and the front end fixed mounting of second mounting block 402 has installation connecting block 409, and the left and right ends of first mounting block 401 inner end are equipped with connecting clamping groove 410, and the left and right ends swing mounting of installation connecting block 409 has connecting buckle 411, and the inner end of installation connecting block 409 is equipped with second installation groove 412, and the right end fixed mounting of connecting buckle 411 has second limiting plate 413, and second limiting plate 413 is located in the interior of second installation groove 412, and the right end fixed mounting of second limiting plate 413 has second return spring 414, and the right end fixed connection of second return spring 414 is in the inner end right end of second installation groove 412, put installation connecting block 409 into installation recess 408, and buckle connecting buckle 411 into connecting clamping groove 410, and first mounting block 401 and second mounting block 402 are installed and connected fastening, and the extrusion of first return spring 407 is carried out to dismounting button 403, and simultaneously drive dismounting rod 406 to press on connecting buckle 411, and simultaneously pressurize second return spring 414, and connecting buckle 411 is made to retract by second return spring 414, and connecting buckle 411 is made to pop out from connecting clamping groove 410.

[0028] The middle part of the first reinforcing fastening ring 2 and the second reinforcing fastening ring 3 is movably connected with a movable connecting piece 5, the inner end of the first reinforcing fastening ring 2 and the second reinforcing fastening ring 3 is fixedly connected with a first heat insulation pad 6, a plurality of reinforcing rods 7 are uniformly fixedly arranged between the first reinforcing fastening ring 2 and the second reinforcing fastening ring 3, the inner end of the reinforcing rod 7 is fixedly connected with a second heat insulation pad 8, the rear end of the first mounting block 401 is uniformly provided with a plurality of positioning insertion grooves 9, the front end of the second mounting block 402 is uniformly fixedly connected with a plurality of positioning insertion rods 10, the positioning insertion rods 10 correspond to the positioning insertion grooves 9, and the positioning insertion rods 10 are inserted into the positioning insertion grooves 9.

[0029] Working principle: when it is needed to use, first, the first reinforcing fastening ring 2 and the second reinforcing fastening ring 3 are respectively arranged at the left end and the right end outside the equipment cylinder body 1, the mounting connecting block 409 is arranged in the mounting groove 408, the connecting buckle 411 is buckled in the connecting buckle groove 410, the positioning insertion rod 10 is inserted into the positioning insertion groove 9, the first mounting block 401 and the second mounting block 402 are mounted and connected and fastened, so that the first reinforcing fastening ring 2 and the second reinforcing fastening ring 3 are fastened and mounted outside the equipment cylinder body 1, the reinforcing rod 7 improves the fastening support property, the first heat insulation pad 6 and the second heat insulation pad 8 play a role of insulating the heat source transmission of the equipment cylinder body 1, when it is needed to disassemble, the disassembly button 403 is pressed to extrude the first reset spring 407, the disassembly rod 406 is driven to press on the connecting buckle 411, the second reset spring 414 is pressed, the connecting buckle 411 is driven to retract by the second reset spring 414, the connecting buckle 411 is popped out from the connecting buckle groove 410, the first mounting block 401 and the second mounting block 402 are disassembled and separated, and the disassembly is facilitated.

[0030] Finally, it should be noted that the above content is only used to illustrate the technical scheme of the present application, and is not a limitation on the protection scope of the present application. Simple modifications or equivalent replacements of the technical scheme of the present application by ordinary skilled in the art do not deviate from the essence and scope of the technical scheme of the present application.

Claims

1. A nuclear power plant heat equipment vessel removable fastener, comprising an equipment vessel body (1), a first reinforcing fastening ring (2) and a second reinforcing fastening ring (3), characterized in that: The left end of the outer end of the equipment cylinder body (1) is movably mounted with a first reinforcing fastening ring (2), and the right end of the outer end of the equipment cylinder body (1) is movably mounted with a second reinforcing fastening ring (3), and the upper ends of the first reinforcing fastening ring (2) and the second reinforcing fastening ring (3) are provided with a dismounting mechanism (4); The dismounting mechanism (4) comprises a first mounting block (401), a second mounting block (402) and a dismounting button (403), the inner end of the front end of the first reinforcing fastening ring (2) and the second reinforcing fastening ring (3) is fixedly mounted with the first mounting block (401), the inner end of the rear end of the first reinforcing fastening ring (2) and the second reinforcing fastening ring (3) is fixedly mounted with the second mounting block (402), and the left and right ends of the first mounting block (401) are movably mounted with the dismounting button (403).

2. A removable fastener for a nuclear power plant heat exchanger tube sheet according to claim 1, wherein: The inner end of the first mounting block (401) is provided with a first mounting groove (404), the right end of the dismounting button (403) is fixedly mounted with a first limiting plate (405), and the first limiting plate (405) is located in the interior of the first mounting groove (404).

3. A nuclear power plant heat plant vessel removable fastener according to claim 2, characterized in that: The right end of the first limiting plate (405) is fixedly mounted with a dismounting rod (406), the right end of the first limiting plate (405) is fixedly mounted with a first reset spring (407), and the right end of the first reset spring (407) is fixedly connected to the right end of the inner end of the first mounting groove (404).

4. A nuclear power plant heat plant shell removable fastener according to claim 3, characterized in that: The rear end of the first mounting block (401) is provided with a mounting groove (408), the front end of the second mounting block (402) is fixedly mounted with a mounting connecting block (409), and the left and right ends of the inner end of the first mounting block (401) are provided with connecting clamping grooves (410).

5. A nuclear power plant heat plant vessel removable fastener according to claim 4, characterized in that: The left and right ends of the mounting connecting block (409) are movably mounted with connecting buckles (411), the inner end of the mounting connecting block (409) is provided with a second mounting groove (412), the right end of the connecting buckle (411) is fixedly mounted with a second limiting plate (413), the second limiting plate (413) is located in the interior of the second mounting groove (412), the right end of the second limiting plate (413) is fixedly mounted with a second reset spring (414), and the right end of the second reset spring (414) is fixedly connected to the inner end right end of the second mounting groove (412).

6. A nuclear power plant heat plant shell removable fastener according to claim 5, characterized in that: The middle parts of the first reinforcing fastening ring (2) and the second reinforcing fastening ring (3) are movably mounted with movable connecting pieces (5), the inner ends of the first reinforcing fastening ring (2) and the second reinforcing fastening ring (3) are fixedly mounted with first heat insulation pads (6), a plurality of reinforcing rods (7) are uniformly fixedly mounted between the first reinforcing fastening ring (2) and the second reinforcing fastening ring (3), and the inner ends of the reinforcing rods (7) are fixedly mounted with second heat insulation pads (8).

7. A nuclear power plant heat plant vessel removable fastener according to claim 6, characterized in that: The rear end of the first mounting block (401) is uniformly provided with a plurality of positioning insertion grooves (9), and the front end of the second mounting block (402) is uniformly fixedly mounted with a plurality of positioning insertion rods (10), the positioning insertion rods (10) correspond to the positioning insertion grooves (9).

Citation Information

Patent Citations

  • Detachable heat preservation fixing support for nuclear power plant thermal equipment cylinder

    CN217463752U