CN213580075U

CN213580075U - Safety valve checking platform

Info

Publication number: CN213580075U
Application number: CN202022780500.5U
Authority: CN
Inventors: 廖海波
Original assignee: Zhejiang Xucan Technology Engineering Co ltd
Current assignee: Zhejiang Xucan Technology Engineering Co ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-06-29
Anticipated expiration: 2030-11-27

Abstract

The utility model discloses a relief valve calibration platform belongs to the check out test set field, the on-line screen storage device comprises a base, base front side outer wall fixed mounting has control panel, base center upper end outer wall fixed mounting has pressure detector, pressure detector left and right sides base upper end outer wall fixed mounting has branch, branch upper end outer wall fixed mounting has the fixed plate, the inside fixed mounting of fixed plate front and back end has spacing groove A, the inside movable mounting of spacing groove A has the stopper, stopper lateral wall fixed mounting has the spring, the stopper upper end runs through spacing groove A fixedly connected with riser A, riser A inner fixed mounting has the valve clamp, the inside fixed mounting of base left and right sides outer end has the slide bar, the sliding sleeve has been cup jointed in the activity of slide bar outer wall. Through setting up rotating-structure, elastic stretching structure and embedded fixed knot structure, improved the practicality of platform.

Description

Safety valve checking platform

Technical Field

The utility model relates to a check out test set technical field especially relates to a relief valve calibration platform.

Background

The safety valve is a special valve, wherein the opening and closing part is in a normally closed state under the action of external force, and when the pressure of a medium in equipment or a pipeline rises to exceed a specified value, the medium is discharged to the outside of the system to prevent the pressure of the medium in the pipeline or the equipment from exceeding the specified value. The safety valve is mainly used for boiler, pressure container and pipeline, and its control pressure is not greater than specified value, so that it can play important role in protecting personal safety and equipment operation. The injection and safety valve must be pressure tested before it can be used.

Patent CN201720097724.1 discloses a relief valve calibration platform, this platform is to letting in compressed air the inside calibration mode of relief valve very easily with the dust granule in the valve body periphery or the valve pocket inside the valve clack, cause the pollution and the gas tightness decline of valve clack, lead to the relief valve seat sealing surface to produce the pit and cause the relief valve to scrap when serious even. In addition, the process of transferring the safety valve from the grinding platform to the checking platform needs to be disassembled and re-clamped and other complicated steps, the time and labor are wasted, the efficiency is low, meanwhile, the grinding error is increased and the checking precision is reduced due to the change of the clamping reference surface, through the coaxial matching of the circular holes of the rotary tables arranged at the centers of the tug cushion blocks, the manual tug, the pressure bearing, the bearing bracket and the comprehensive platform surface, the reference surface supporting and positioning and the manual rotating platform when the safety valve is ground are formed, conditions are provided for freely and accurately controlling the corner posture of the safety valve, and the control of the grinding precision and the improvement of the processing efficiency are facilitated. When subsequent checking procedures are carried out, the pneumatic jack, the jacking cylinder mechanism and the two sliding pressing blocks can be directly utilized to be matched to enable the safety valve to be lifted and clamped and positioned along the axis direction, so that the processes of transferring and reinstalling the safety valve are avoided, the original positioning reference surface of the rotary table of the tug cushion block is kept unchanged, the original positioning reference is kept, and the positioning error is eliminated.

The platform has the following defects: 1. above-mentioned platform is not convenient for carry out the centre gripping to not unidimensional relief valve, and fixed effect is not obvious, leads to rocking at the in-process relief valve of check-up, influences the result of check-up, has reduced the practicality of platform. 2. Above-mentioned platform is not convenient for seal the relief valve of unidimensional not, if carry out the measure of sealing to the relief valve of unidimensional not, then sealed effect can not reach the effect, can't continue to carry out the check-up, has reduced the practicality of platform.

SUMMERY OF THE UTILITY MODEL

The utility model provides a safety valve checking platform, aim at adopting elastic expansion structure, when needing to carry out the centre gripping to the relief valve of different sizes fixedly, through outside tension equipment to the front and back side pulling riser A drive lower extreme fixed mounting stopper move extrusion spring to the outside in spacing groove A, the spring receives extrusion contraction deformation and converts kinetic energy into elastic potential energy, drive riser A inside wall fixed mounting's valve clamp outward simultaneously and make the distance between the valve clamp of front and back side increase, will wait to be checked the valve body place the fixed plate upside at front and back valve clamp center, slowly loosen the pulling force to riser A, the spring converts elastic potential energy into kinetic energy and simultaneously pushes the stopper to make it move to the center in spacing groove A to drive riser A to move to the center, thereby make the valve clamp of front and back centre gripping the valve body in the middle, be convenient for check to the relief valve of different sizes firmly, the practicability of the platform is improved.

Through a rotating structure and an embedded fixing structure, before a valve body needs to be detected, a bolt is manually rotated to the upper side and the lower side and is meshed with threads cut on the inner walls of a screw groove A and a screw groove B through threads cut on the outer walls, the bolt is moved to the outer side from the screw groove A and the screw groove B and is taken out, a screw plug is pulled to the inner end to drive an inserting disc to move to the inner end from the inserting groove and be separated, the screw plug with the size corresponding to the screw opening of the valve body is selected according to needs, the inserting disc connected with the replaced screw plug is aligned with the inserting groove and pushed to the outer side to enable the screw groove A and the screw groove B to be aligned, the bolt is rotated to enter, the fixing can be completed, the vertical plates B at the two sides are pushed inwards to drive the screw plugs to be tightly attached to the ports at the left side and the right side of the valve body, the motor is controlled by a control panel to drive, the sliding sleeve is driven to slide inwards and stably on the outer wall of the sliding rod, when the screw plug completely enters the valve body, the port at the lower end of the valve body is also upwards inserted by the pressure detector, the pressure inside the valve body is detected by controlling the pressure detection through the control panel, and the practicability of the platform is improved.

The utility model provides a specific technical scheme as follows:

the utility model provides a safety valve checking platform, which comprises a base, wherein a control panel is fixedly arranged on the outer wall of the front side of the base, a pressure detector is fixedly arranged on the outer wall of the upper end of the center of the base, supporting rods are fixedly arranged on the outer walls of the upper ends of the left and right sides of the pressure detector, a fixed plate is fixedly arranged on the outer wall of the upper end of the supporting rods, a limiting groove A is fixedly arranged in the front and back ends of the fixed plate, a limiting block is movably arranged in the limiting groove A, a spring is fixedly arranged on the outer wall of the limiting block, the upper end of the limiting block penetrates through the limiting groove A and is fixedly connected with a vertical plate A, a valve clamp is fixedly arranged on the inner end of the vertical plate A, a sliding rod is fixedly arranged in the outer end of the left and right sides of, the outer side wall of the upper end of the vertical plate B is fixedly provided with a motor, the inner end of the motor penetrates through the vertical plate B and is connected with a connecting disc in a rotating mode, a slot is fixedly arranged inside the inner end of the connecting disc, an inserting disc is inserted inside the slot, screw grooves A are fixedly arranged inside the upper side and the lower side of the inserting disc, screw grooves B are fixedly arranged inside the outer connecting discs on the upper side and the lower side of the slot, bolts are arranged inside the screw grooves A and the screw grooves B in a rotating mode, and screw plugs are fixedly arranged on.

Optionally, the limiting block is fixedly connected with one end of the spring, and the other end of the spring is fixedly connected inside the limiting groove A to form an elastic telescopic structure.

Optionally, the size of the slot is matched with the size of the inserting disc to form an embedded fixing structure.

Optionally, the outer wall of the bolt is provided with threads which are mutually meshed with the threads on the inner walls of the thread groove A and the thread groove B to form a rotating structure.

Optionally, the input end of the control panel is electrically connected with an external power supply through a wire, and the output end of the control panel is electrically connected with the input end of the motor and the input end of the pressure detector through wires.

The utility model has the advantages as follows:

1. the embodiment of the utility model provides a relief valve calibration platform, through elastic telescopic structure, when needing to carry out the centre gripping fixed to the relief valve of different sizes, through outside tension equipment to the front and back side pulling riser A drive lower extreme fixed mounting stopper move extrusion spring to the outside in spacing groove A, the spring receives extrusion contraction deformation and converts kinetic energy into elastic potential energy, drive riser A inside wall fixed mounting's valve clamp to move outward simultaneously and make the distance between the valve clamp of front and back side increase, will wait to be calibrated the valve body place the fixed plate upside at front and back valve clamp center, slowly loosen the pulling force to riser A, the spring converts elastic potential energy into kinetic energy and pushes the stopper to make it move to the center in spacing groove A simultaneously to center, drive riser A to move to the center, thereby make front and back valve clamp centre gripping valve body in the middle, be convenient for to calibrate the relief valve of different sizes firmly, the practicability of the platform is improved.

2. Through a rotating structure and an embedded fixing structure, before a valve body needs to be detected, a bolt is manually rotated to the upper side and the lower side and is meshed with threads cut on the inner walls of a screw groove A and a screw groove B through threads cut on the outer walls, the bolt is moved and taken out from the outer side of the screw groove A and the screw groove B and is pulled towards the inner end, a plug plate is driven to move and separate from a slot to the inner end, the plug plate with the size corresponding to the screw opening of the valve body is selected according to needs, the plug plate connected with the replaced plug plate is aligned with the slot and pushed into the slot towards the outer side, the screw groove A and the screw groove B are aligned, the bolt is rotated and taken in, the fixation can be completed, the vertical plates B at the two sides are pushed inwards to drive the plug plates to be tightly attached to the ports at the left side and the right side of the valve body, the motor is controlled by a control, riser B is by the internal pulling, drives the sliding sleeve and at the inside steady slip of slide bar outer wall, and in the plug screw got into the valve body completely, the port of valve body lower extreme was also upwards inserted by pressure detector, detected the inside pressure of valve body through control panel control pressure detection, has improved the practicality of platform.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic front view of a cross-sectional structure of a safety valve calibration platform according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a partial side view cross-sectional structure of a safety valve calibration platform according to an embodiment of the present invention;

fig. 3 is a schematic diagram of a partially enlarged structure of a safety valve calibration platform in fig. 1 according to an embodiment of the present invention.

In the figure: 1. a base; 2. a control panel; 3. a pressure detector; 4. a strut; 5. a fixing plate; 6. a limiting groove A; 7. a limiting block; 8. a spring; 9. a vertical plate A; 10. a valve clamp; 11. a valve body; 12. a slide bar; 13. a sliding sleeve; 14. a limiting groove B; 15. a vertical plate B; 16. a motor; 17. a slot; 18. inserting a plate; 19. a thread groove A; 20. a thread groove B; 21. a bolt; 22. a plug screw; 23. and (7) connecting the disc.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

A safety valve verification platform according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 3.

Referring to fig. 1, 2 and 3, a safety valve checking platform provided by an embodiment of the present invention includes a base 1, a control panel 2 is fixedly installed on an outer wall of a front side of the base 1, a pressure detector 3 is fixedly installed on an outer wall of a center upper end of the base 1, a support rod 4 is fixedly installed on outer walls of upper ends of left and right sides of the base 1, a fixing plate 5 is fixedly installed on an outer wall of an upper end of the support rod 4, a limiting groove A6 is fixedly installed inside a front and rear end of the fixing plate 5, a limiting block 7 is movably installed inside a limiting groove A6, a spring 8 is fixedly installed on an outer wall of the limiting block 7, an upright plate a9 is fixedly connected to an upper end of the limiting block 7 through a limiting groove A6, a valve clamp 10 is fixedly installed at an inner end of the upright plate a9, a slide bar 12 is fixedly installed inside outer ends, the upper end of the sliding sleeve 13 penetrates through a limiting groove B14 and is fixedly connected with a vertical plate B15, the outer side wall of the upper end of the vertical plate B15 is fixedly provided with a motor 16, the inner end of the motor 16 penetrates through a vertical plate B15 and is rotatably connected with a connecting disc 23, the inner part of the connecting disc 23 is fixedly provided with a slot 17, an inserting disc 18 is inserted into the slot 17, screw grooves A19 are fixedly arranged in the upper side and the lower side of the inserting disc 18, screw grooves B20 are fixedly arranged in the outer connecting disc 23 in the upper side and the lower side of the slot 17, bolts 21 are arranged in the screw grooves A19 and the screw grooves B.

Referring to fig. 1 and 2, a limiting block 7 is fixedly connected to one end of a spring 8, the other end of the spring 8 is fixedly connected to the inside of a limiting groove a6 to form an elastic telescopic structure, when safety valves of different sizes are required to be clamped and fixed, an external tension device pulls a vertical plate a9 to the front and rear sides to drive a lower end fixed mounting limiting block 7 to move outwards in the limiting groove a6 to extrude the spring 8, the spring 8 is extruded and contracted to change kinetic energy into elastic potential energy, and simultaneously drives a valve clamp 10 fixedly mounted on the inner side wall of a vertical plate a9 to move outwards to increase the distance between the valve clamps 10 at the front and rear sides, a valve body 11 to be verified is placed on the upper side of a fixing plate 5 at the center of the front and rear valve clamps 10, the pulling force for the vertical plate a9 is slowly released, the spring 8 converts the elastic potential energy into the kinetic energy and pushes the limiting block 7 towards the center to move towards the center, therefore, the front valve clamp 10 and the rear valve clamp 10 firmly clamp the valve body 11 in the middle, safety valves of different sizes can be conveniently checked, and the practicability of the platform is improved.

Referring to fig. 1 and 3, the size of the slot 17 is matched with the size of the plug-in disc 18 to form an embedded fixing structure, before the valve body 11 needs to be tested, the bolt 21 is manually rotated to the upper and lower sides and is engaged with the thread cut on the inner wall of the thread groove a19 and the thread cut on the inner wall of the thread groove B20 through the thread cut on the outer wall, the bolt is moved to the outer side from the thread groove a19 and the thread groove B20, the plug screw 22 is pulled to the inner end to drive the plug-in disc 18 to move to separate and take off from the inner end of the slot 17, the plug screw 22 with the size corresponding to the thread of the valve body 11 is selected according to the requirement, the plug-in disc 18 connected with the replaced plug screw 22 is pushed to the outer side of the slot 17 to align the thread groove a19 and the thread groove B20, the bolt 21 is rotated to enter, the fixing can be completed, the upright plates B15 at the two sides are pushed inwards to drive the plug screw 22 to cling, thereby drive plug screw 22 and rotate, through the screw thread at 11 both ends internal rotation of valve body, under the effect of screw thread pulling force, riser B15 is by inside pulling, drives sliding sleeve 13 and at the inside steady slip of slide bar 12 outer wall, in plug screw 22 gets into valve body 11 completely, the port of valve body 11 lower extreme is also upwards inserted by pressure detector 3, detects the pressure of valve body 11 inside through control panel 2 control pressure detection 3, has improved the practicality of platform.

Referring to fig. 1 and 3, the outer wall of the bolt 21 is cut with threads to engage with the threads cut on the inner walls of the screw groove a19 and the screw groove B20, so as to form a rotating structure, before the valve body 11 needs to be tested, the bolt 21 is manually rotated to the upper and lower sides to engage with the threads cut on the inner walls of the screw groove a19 and the screw groove B20, the bolt is moved to the outside from the screw groove a19 and the screw groove B20, the screw plug 22 is pulled to the inside to drive the plug plate 18 to move to separate and take from the inside of the slot 17, the screw plug 22 with the size corresponding to the screw mouth of the valve body 11 is selected according to the need, the plug plate 18 connected with the replaced screw plug 22 is pushed to the outside of the slot 17 to align the screw groove a19 and the screw groove B20, the fixing can be completed by using the bolt 21 to rotate, the upright plate B15 pushing inwards to drive the screw plug 22 to cling to the left and right side ports of the valve body 11, the control panel 2 controls the motor 16, thereby drive plug screw 22 and rotate, through the screw thread at 11 both ends internal rotation of valve body, under the effect of screw thread pulling force, riser B15 is by inside pulling, drives sliding sleeve 13 and at the inside steady slip of slide bar 12 outer wall, in plug screw 22 gets into valve body 11 completely, the port of valve body 11 lower extreme is also upwards inserted by pressure detector 3, detects the pressure of valve body 11 inside through control panel 2 control pressure detection 3, has improved the practicality of platform.

Referring to fig. 1, the input end of the control panel 2 is electrically connected to an external power source through a wire, and the output end of the control panel 2 is electrically connected to the motor 16 and the input end of the pressure detector 3 through wires.

The control panel 2, the motor 16 and the pressure detector 3 are products in the prior art, the motor 16 is HD2401-24, the manufacturer is Anchuan, the control panel 2 is LA38-11DN, the manufacturer is Mixi, and the pressure detector 3 is MPS-V3, which is not described herein again.

The embodiment of the utility model provides a relief valve calibration platform, when needing to carry out the centre gripping to not unidimensional relief valve fixedly, through outside tension equipment to the front and back side pulling riser A9 drive lower extreme fixed mounting stopper 7 move extrusion spring 8 to the outside in spacing groove A6, spring 8 receives extrusion contraction deformation and converts kinetic energy into elastic potential energy, drive riser A9 inside wall fixed mounting's valve clamp 10 outwards to make the distance between the valve clamp 10 of front and back side increase simultaneously, will be waited to be checked the valve body 11 and place the fixed plate 5 upside at front and back valve clamp 10 center, slowly loosen the pulling force to riser A9, spring 8 converts elastic potential energy into kinetic energy and promotes stopper 7 to make it move to the center in spacing groove A6 simultaneously to the center, drive riser A9 to the center removal, thereby make front and back valve clamp 10 firmly centre gripping valve body 11 in the centre, before need begins to detect valve body 11, the bolt 21 is manually rotated to the upper side and the lower side, the bolt is meshed with the threads cut on the inner walls of the thread groove A19 and the thread groove B20 through the threads cut on the outer wall, the bolt is moved outwards and taken out from the thread groove A19 and the thread groove B20, the screw plug 22 is pulled towards the inner end to drive the plug disc 18 to move and separate from the inner end of the slot 17, the screw plug 22 with the size corresponding to the screw opening of the valve body 11 is selected according to the requirement, the plug disc 18 connected with the replaced screw plug 22 is aligned with the slot 17 and pushed outwards, the thread groove A19 is aligned with the thread groove B20, the bolt 21 is rotated to enter, the fixation is completed, the vertical plates B15 at the two sides are pushed inwards to drive the screw plugs 22 to be tightly attached to the ports at the left side and the right side of the valve body 11, the motor 16 is controlled by the control panel 2 to operate to drive the connecting disc 23 to rotate, the screw plug 22 is driven to rotate, the two ends of the valve body 11 are rotated, when the plug screw 22 completely enters the valve body 11, the port at the lower end of the valve body 11 is also inserted upwards by the pressure detector 3, and the pressure inside the valve body 11 is detected by controlling the pressure detector 3 through the control panel 2.

It should be noted that, the utility model relates to a relief valve calibration platform, including control panel 2, motor 16 and pressure detector 3, the part is general standard component or the part that technical staff in the field knows, and its structure and principle all are that this technical staff all can learn through the technical manual or learn through conventional experimental method.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A safety valve checking platform is characterized by comprising a base (1), a control panel (2) is fixedly installed on the outer wall of the front side of the base (1), a pressure detector (3) is fixedly installed on the outer wall of the upper end of the center of the base (1), supporting rods (4) are fixedly installed on the outer walls of the upper ends of the bases (1) on the left side and the right side of the pressure detector (3), a fixing plate (5) is fixedly installed on the outer wall of the upper end of each supporting rod (4), a limiting groove A (6) is fixedly installed inside the front end and the rear end of each fixing plate (5), a limiting block (7) is movably installed inside each limiting groove A (6), a spring (8) is fixedly installed on the outer wall of each limiting block (7), a vertical plate A (9) is fixedly connected to the upper end of each limiting groove A (6), and a, the base is characterized in that a sliding rod (12) is fixedly mounted inside the outer end of the left side and the right side of the base (1), a sliding sleeve (13) is movably sleeved on the outer wall of the sliding rod (12), a limiting groove B (14) is fixedly mounted on the side wall of the base (1) on the upper side of the sliding rod (12), a vertical plate B (15) is fixedly connected to the upper end of the sliding sleeve (13) through the limiting groove B (14), a motor (16) is fixedly mounted on the outer side wall of the upper end of the vertical plate B (15), the inner end of the motor (16) penetrates through the vertical plate B (15) and is rotatably connected with a connecting plate (23), a slot (17) is fixedly mounted inside the inner end of the connecting plate (23), a plug tray (18) is inserted inside the slot (17), a screw groove A (19) is fixedly mounted inside the upper side and, the bolt (21) is rotatably arranged in the screw groove A (19) and the screw groove B (20), and the screw plug (22) is fixedly arranged at the inner end of the inserting disc (18).

2. The safety valve verification platform of claim 1, wherein the limiting block (7) is fixedly connected with one end of a spring (8), and the other end of the spring (8) is fixedly connected inside the limiting groove A (6) to form an elastic telescopic structure.

3. The safety valve verification platform of claim 1, wherein the size of the slot (17) and the size of the insert plate (18) are matched with each other to form an embedded fixing structure.

4. The safety valve verification platform of claim 1, wherein the bolt (21) is threaded on the outer wall to engage with the threads on the inner walls of the groove A (19) and the groove B (20) to form a rotary structure.

5. The safety valve verification platform of claim 1, wherein the input end of the control panel (2) is electrically connected with an external power supply through a lead, and the output end of the control panel (2) is electrically connected with the input ends of the motor (16) and the pressure detector (3) through leads.