CN215931177U

CN215931177U - Fixture tool for auxiliary safety valve air-tightness test

Info

Publication number: CN215931177U
Application number: CN202121491924.8U
Authority: CN
Inventors: 刘注显; 徐德勤; 王海彬; 赵罡; 常庆伟; 王彬; 石辰峰; 金忠璨
Original assignee: Dalian Power Plant of Huaneng International Power Co Ltd
Current assignee: Dalian Power Plant of Huaneng International Power Co Ltd
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2022-03-01
Anticipated expiration: 2031-07-01

Abstract

The utility model provides a fixture tool for assisting a safety valve air tightness test, which comprises a base, wherein the base comprises a mounting groove, the top surface of the base is provided with the mounting groove, the inner wall of the bottom surface of the mounting groove is provided with a support column, the top end of the support column is provided with a clamping disc, the top surface of the clamping disc is provided with a clamping assembly, the clamping assembly comprises strip-shaped through holes, the periphery of the top surface of the clamping disc is respectively provided with the strip-shaped through holes, the strip-shaped through holes are internally connected with sliding blocks, the top surfaces of the sliding blocks are provided with fixed blocks, the outer wall of one side, close to the clamping disc, of each fixed block is provided with an elastic assembly, the other end of each elastic assembly is connected with an L-shaped movable block, the outer wall of one side, opposite to the L-shaped movable block, is provided with a pressurizing cavity, a piston is arranged in each pressurizing cavity, one side, close to the fixed block, of the piston is provided with a connecting rod, the other end of the connecting rod is connected with the outer wall of the fixed block, and the bottom of one side, far away from the fixed block, of the pressurizing cavity is provided with an inflatable airbag.

Description

Fixture tool for auxiliary safety valve air-tightness test

Technical Field

The utility model mainly relates to the technical field of safety valves, in particular to a fixture tool for assisting a safety valve air tightness test.

Background

The safety valve is that the opening and closing piece is in normally closed state under the exogenic action, when equipment or the medium pressure in the pipeline risees and exceeds the specified value, prevent pipeline or the special valve that medium pressure exceeds specified numerical value in the equipment through discharging the medium to the system outside, need can use through the test to the safety valve in the course of working of safety blast gate, at present the in-process of safety valve test, the anchor clamps that need use fix the safety valve, but its the anchor clamps on the market at present use hard material to fix the safety valve universally, and the anchor clamps of hard material cause wearing and tearing and mar very easily between anchor clamps and the safety valve.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a fixture tool for an auxiliary safety valve air tightness test, which is used for solving the technical problems in the background technology.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

a fixture tool for assisting a safety valve air tightness test comprises a base, wherein the base comprises a mounting groove, the center of the top surface of the base is provided with the mounting groove, the inner wall of the bottom surface of the mounting groove is provided with a support column, the top end of the support column is provided with a clamping disc, the top surface of the clamping disc is provided with a clamping assembly, the clamping assembly comprises a strip-shaped through hole, the peripheral edges of the top surface of the clamping disc are respectively provided with the strip-shaped through hole, the strip-shaped through hole is internally and slidably connected with a sliding block, the top surface of one side, away from the clamping disc, of the sliding block is provided with a fixed block, the outer wall of the fixed block, close to one side of the clamping disc, is provided with an elastic assembly, one end, away from the fixed block, of the elastic assembly is provided with an L-shaped movable block, the upper end, close to one side of the elastic assembly, of the L-shaped movable block is provided with a pressurizing cavity, the piston is internally provided with a connecting rod, one side, close to the fixed block, of the piston, the one end fixed connection fixed block outer wall of piston is kept away from to the connecting rod, the pressurization chamber is kept away from fixed block one side bottom surface inner wall and is equipped with the air bag that aerifys, it runs through pressurization chamber bottom surface inner wall and extends to L type movable block outside to aerify the air bag.

Preferably, the outer wall around the piston is provided with a sealing rubber ring, and the sealing rubber ring can play a role in ensuring the air tightness in the pressurizing cavity.

Preferably, the outer surface of one side of the L-shaped movable block close to the center of the top surface of the clamping disc is provided with a rubber protective layer, so that the scratch on the surface of the safety valve can be avoided.

Preferably, the inner wall of the top surface of one side of the pressurizing cavity, which is close to the fixed block, is provided with a ventilation through hole, and the pressurizing cavity can be pressurized through the ventilation through hole.

Preferably, the mounting groove bottom surface is equipped with drive assembly, drive assembly includes the rolling disc, the rolling disc has been cup jointed to the support column bottom, the rolling disc top surface is equipped with the ring, the slider bottom surface directly over the ring is equipped with first rack, first rack toothing connects the ring, the outer wall is equipped with the second rack around the rolling disc, one side that the mounting groove is close to the second rack is equipped with the top surface inner wall and is equipped with the motor, motor output shaft surface is equipped with the gear, the second rack is connected in gear toothing, can play the effect that drive centre gripping subassembly removed to centre gripping dish center department through drive assembly.

Preferably, the ring is spirally arranged on the top surface of the rotating disc, and the ring is spirally arranged to drive the sliding block to move towards the center of the rotating disc.

Preferably, the edge interference connection spherical movable block around the rolling disc bottom surface can avoid rolling disc bottom surface and mounting groove bottom surface inner wall to take place the friction through spherical movable block, improves the life's of rolling disc effect.

Compared with the prior art, the utility model has the beneficial effects that:

the safety valve fixing device can play a role in fixing the safety valve through the clamping disc, the strip-shaped through hole, the sliding block, the fixing block, the elastic component, the L-shaped movable block, the pressurizing cavity, the piston, the connecting rod and the inflatable airbag, and can effectively avoid the phenomena of abrasion and scratch between the clamp and the safety valve through the inflatable airbag; the rotating disc, the circular ring, the first rack, the second rack, the motor and the gear can play a role in driving the clamping assembly to move towards the center of the clamping disc; the friction effect between the bottom surface of the rotating disc and the inner wall of the bottom surface of the mounting groove can be avoided through the spherical movable block, and the service life of the rotating disc is prolonged.

The present invention will be explained in detail below with reference to the drawings and specific embodiments.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is an enlarged view of area A of FIG. 2;

FIG. 4 is an enlarged view of the area B in FIG. 2;

fig. 5 is a schematic view of the structure of the rotating disk of the present invention.

In the figure: 1. a base; 11. mounting grooves; 12. a support pillar; 13. a clamping plate; 14. a clamping assembly; 141. a strip-shaped through hole; 142. a slider; 143. a fixed block; 144. an elastic component; 145. an L-shaped movable block; 1451. a rubber protective layer; 146. a pressurization cavity; 1461. a ventilation through hole; 147. a piston; 1471. sealing the rubber ring; 148. a connecting rod; 149. an inflatable air bag; 15. a drive assembly; 151. rotating the disc; 1511. a spherical movable block; 152. a circular ring; 153. a first rack; 154. a second rack; 155. a motor; 156. a gear.

Detailed Description

In order to facilitate an understanding of the utility model, the utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the utility model are shown, but which may be embodied in different forms and not limited to the embodiments described herein, but which are provided so as to provide a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the knowledge of the terms used herein in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-5, a fixture tool for assisting a safety valve air-tightness test includes a base 1, the base 1 includes an installation groove 11 at a center of a top surface thereof, the installation groove 11 includes a support column 12 at an inner wall of a bottom surface thereof, the support column 12 includes a holding disk 13 at a top end thereof, a holding component 14 is disposed at a top surface of the holding disk 13, the holding component 14 includes a strip-shaped through hole 141, strip-shaped through holes 141 are respectively disposed at peripheral edges of a top surface of the holding disk 13, a slide block 142 is slidably connected to the strip-shaped through hole 141, a fixed block 143 is disposed at a top surface of the slide block 142 away from the holding disk 13, an elastic component 144 is disposed at an outer wall of the fixed block 143 near the holding disk 13, an L-shaped movable block 145 is disposed at an end of the elastic component 144, a pressurizing cavity 146 is disposed at an upper end of an outer wall of the L-shaped movable block 145 near the elastic component 144, the piston 147 is arranged in the pressurizing cavity 146, the sealing rubber ring 1471 is arranged on the outer wall of the periphery of the piston 147, the sealing rubber ring 1471 can play a role in ensuring the air tightness in the pressurizing cavity 146, the connecting rod 148 is arranged on one side, close to the fixed block 143, of the piston 147, one end, far away from the piston 147, of the connecting rod 148 is fixedly connected with the outer wall of the fixed block 143, the inflatable air bag 149 is arranged on the inner wall of the bottom surface of the pressurizing cavity 146, far away from the fixed block 143, and the inflatable air bag 149 penetrates through the inner wall of the bottom surface of the pressurizing cavity 146 and extends to the outside of the L-shaped movable block 145.

Referring to fig. 2 and 3, the outer surface of the L-shaped movable block 145 near the center of the top surface of the clamping plate 13 is provided with a rubber protection layer 1451, and the rubber protection layer 1451 can ensure the function of preventing scratches from occurring on the surface of the safety valve.

Referring to fig. 1, 2 and 3, the top surface of the pressurizing chamber 146 near the fixed block 143 is provided with a ventilation through hole 1461, and the ventilation through hole 1461 can perform the function of pressurizing the inside of the pressurizing chamber 146.

Please refer to fig. 2 and 4 again, the bottom surface of the mounting groove 11 is provided with a driving assembly 15, the driving assembly 15 includes a rotating disc 151, the bottom end of the supporting column 12 is sleeved with the rotating disc 151, the top surface of the rotating disc 151 is provided with a circular ring 152, the bottom surface of the sliding block 142 right above the circular ring 152 is provided with a first rack 153, the first rack 153 is engaged with the circular ring 152, the outer wall of the periphery of the rotating disc 151 is provided with a second rack 154, one side of the mounting groove 11 close to the second rack 154 is provided with a top inner wall provided with a motor 155, the outer surface of an output shaft of the motor 155 is provided with a gear 156, the gear 156 is engaged with the second rack 154, and the driving assembly 15 can drive the clamping assembly 14 to move towards the center of the clamping disc 13.

Referring to fig. 2, 4 and 5 again, the ring 152 is spirally disposed on the top surface of the rotating disk 151, and the spiral ring 152 can drive the sliding block 142 to move toward the center of the rotating disk 151.

Please refer to fig. 2 and 4 again, the edge of the periphery of the bottom surface of the rotating disc 151 is in interference connection with the spherical movable block 1511, and the bottom surface of the rotating disc 151 and the inner wall of the bottom surface of the mounting groove 11 can be prevented from friction by the spherical movable block 1511, thereby prolonging the service life of the rotating disc 151.

The specific operation mode of the utility model is as follows:

firstly, the safety valve is placed on the surface of the clamping disk 13 on the top surface of the base 1, the clamping disk 13 is supported by the safety valve of the supporting column 12, then the motor 155 in the installation groove 11 is started, the gear 156 on the outer surface of the output shaft of the motor 155 of the driving assembly 15 starts to rotate, the gear 156 drives the rotating disk 151 to rotate through the second rack 154, the ring 152 on the surface of the rotating disk 151 also starts to rotate, the ring 152 drives the sliding block 142 of the clamping assembly 14 to slide towards the center of the clamping disk 13 in the strip-shaped through hole 141 through the first rack 153, the rubber protection layer 1451 of the L-shaped movable block 145 of the clamping assembly 14 abuts against the bottom of the safety valve, the sliding block 142 pushes the fixed block 143 to move towards the center of the clamping disk 13, the elastic assembly 144 is contracted by force, and the connecting rod 148 on the upper end of the outer wall of the fixed block 143 pushes the piston 147 to move towards the inner wall of the pressurizing cavity 146, air inside the pressurizing chamber 146 enters the inside of the inflating bladder 149, and the safety valve is fixed by the inflating bladder 149.

The utility model is described above with reference to the accompanying drawings, it is obvious that the utility model is not limited to the above-described embodiments, and it is within the scope of the utility model to adopt such insubstantial modifications of the inventive method concept and solution, or to apply the inventive concept and solution directly to other applications without modification.

Claims

1. The fixture tool for the auxiliary safety valve air tightness test comprises a base (1) and is characterized in that the base (1) comprises a mounting groove (11), the mounting groove (11) is formed in the center of the top surface of the base (1), supporting columns (12) are arranged on the inner wall of the bottom surface of the mounting groove (11), a clamping disc (13) is arranged at the top ends of the supporting columns (12), a clamping assembly (14) is arranged on the top surface of the clamping disc (13), each clamping assembly (14) comprises a strip-shaped through hole (141), the strip-shaped through holes (141) are respectively formed in the peripheral edges of the top surface of the clamping disc (13), a sliding block (142) is connected in the strip-shaped through holes (141) in a sliding mode, a fixing block (143) is arranged on the top surface of one side, away from the clamping disc (13), of each sliding block (142), and an elastic assembly (144) is arranged on the outer wall of one side, close to the clamping disc (13), of each fixing block (143), the one end that fixed block (143) was kept away from in elastic component (144) is equipped with L type movable block (145), L type movable block (145) are close to elastic component (144) one side outer wall upper end and are equipped with pressurization chamber (146), pressurization chamber (146) inside is equipped with piston (147), one side that piston (147) are close to fixed block (143) is equipped with connecting rod (148), the one end fixed connection fixed block (143) outer wall of piston (147) is kept away from in connecting rod (148), pressurization chamber (146) are kept away from fixed block (143) one side bottom surface inner wall and are equipped with inflatable air bag (149), inflatable air bag (149) run through pressurization chamber (146) bottom surface inner wall and extend to L type movable block (145) outside.

2. The fixture tool for the air tightness test of the auxiliary safety valve according to claim 1, wherein a sealing rubber ring (1471) is arranged on the peripheral outer wall of the piston (147).

3. The fixture tool for the air tightness test of the auxiliary safety valve according to claim 1, wherein a rubber protection layer (1451) is arranged on the outer surface of one side of the L-shaped movable block (145) close to the center of the top surface of the clamping disc (13).

4. The fixture tool for the air tightness test of the auxiliary safety valve according to claim 1, wherein the top surface inner wall of one side of the pressurizing cavity (146) close to the fixed block (143) is provided with a ventilation through hole (1461).

5. The tool for testing the airtightness of the auxiliary safety valve according to claim 1, it is characterized in that a driving component (15) is arranged on the bottom surface of the mounting groove (11), the driving component (15) comprises a rotating disc (151), the bottom end of the supporting column (12) is sleeved with a rotating disc (151), the top surface of the rotating disc (151) is provided with a circular ring (152), a first rack (153) is arranged on the bottom surface of the sliding block (142) right above the circular ring (152), the first rack (153) is meshed with the circular ring (152), the outer wall of the periphery of the rotating disc (151) is provided with a second rack (154), a motor (155) is arranged on the inner wall of the top surface of one side of the mounting groove (11) close to the second rack (154), the outer surface of the output shaft of the motor (155) is provided with a gear (156), and the gear (156) is meshed with the second rack (154).

6. The tooling of claim 5, wherein the ring (152) is spirally disposed on the top surface of the rotary disk (151).

7. The fixture tool for the airtightness test of the auxiliary safety valve according to claim 5, wherein the spherical movable block (1511) is in interference connection with the peripheral edge of the bottom surface of the rotary disk (151).