CN218698056U - Relief valve maintenance device suitable for different bores - Google Patents

Abstract

The utility model discloses a relief valve maintenance device suitable for different bores, including the under casing, the inside of under casing is equipped with fixed establishment, fixed establishment includes motor, connecting rod, bevel gear group, first gear, lower rack, goes up rack, slider and spout. This relief valve maintenance device suitable for different bores, through the motor, the connecting rod, bevel gear group, first gear, the lower rack, go up the rack, cooperation between slider and the spout, the round pin axle drives first gear revolve, thereby first gear drives rack and last rack removal down simultaneously and drives the slider and slide in the spout, lower rack and last rack relative motion, lower rack and last rack move the riser in the under casing relative motion, realized when fixed relief valve, can fix the relief valve of different bores, the problem that can not carry out the maintenance according to the relief valve of different bores has been solved.

Description

Relief valve maintenance device suitable for different bores

Technical Field

The utility model relates to a relief valve technical field specifically is a relief valve maintenance device suitable for different bores.

Background

The safety valve is a special valve which is in a normally closed state under the action of external force, when the medium pressure in equipment or a pipeline rises and exceeds a specified value, the medium pressure in the pipeline or the equipment is prevented from exceeding a specified value by discharging the medium to the outside of a system, the safety valve belongs to the automatic valve class, the safety valve is mainly used for boilers, pressure vessels and pipelines, the control pressure does not exceed the specified value and plays an important role in protecting the personal safety and the equipment operation, the sealing surface of the valve is usually eroded by various liquids in the using process, after the valve is used for a period of time, the sealing surface of the valve is abraded or eroded to form pits, the sealing effect is seriously influenced, and at the moment, the sealing surface needs to be maintained to prevent leakage.

The safety valve maintenance device suitable for different bores of the prior art can only fix the safety valve with the same bore mostly when fixing the safety valve, and has the problems that the safety valve with different bores can not be maintained, and different maintenance tools can not be replaced for maintenance when maintaining the safety valve, so that the efficiency of maintaining the safety valve is reduced, and the practicability is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a relief valve maintenance device suitable for different bores to propose when fixed relief valve in solving above-mentioned background art, most can only fix the relief valve of same bore, there is the problem that can not carry out the maintenance according to the relief valve of different bores, when maintaining the relief valve, can not change different repair tools and maintain, there is the efficiency that reduces the maintenance relief valve, reduces the problem of practicality.

In order to achieve the above object, the utility model provides a following technical scheme: a safety valve maintenance device suitable for different calibers comprises a bottom box, wherein a fixing mechanism is arranged inside the bottom box;

the fixing mechanism comprises a motor, a connecting rod, a bevel gear set, a first gear, a lower rack, an upper rack, a sliding block and a sliding groove;

the motor passes through the motor cabinet rigid coupling on the outer wall of under casing, the output shaft rigid coupling of motor has the connecting rod, the tip of connecting rod passes through the bearing and is connected with the under casing rotation, the connecting rod passes through bevel gear group and round pin axle fixed connection, round pin axle rotates with the under casing to be connected, the rigid coupling has first gear on the outer wall of round pin axle, first gear meshes with lower rack and last rack respectively mutually, the equal rigid coupling in surface of lower rack and last rack has the slider, slider and spout sliding connection, the inside at the under casing is seted up to the spout.

Preferably, vertical plates are fixedly connected to the end portions of the lower rack and the upper rack, the upper rack is in sliding connection with the vertical plate at one end, the two vertical plates are in sliding connection with the bottom box, and rubber pads are fixedly connected to the surfaces of the two vertical plates.

Preferably, the surface of the bottom box is fixedly connected with a workbench, a groove is processed in the workbench, and the workbench is connected with the lower rack and the upper rack in a sliding manner.

Preferably, the surface of the bottom box is fixedly connected with a support frame, and the surface of the support frame is fixedly connected with a hydraulic rod.

Preferably, the end of the hydraulic rod is fixedly connected with a shell.

Preferably, a clamping mechanism is arranged inside the shell;

the clamping mechanism comprises a handle, a second gear, a third gear, a first threaded rod, a second threaded rod, a clamping block, a sliding rod and a cross rod;

the both ends of handle all are rotated with the shell through the bearing and are connected, the rigid coupling has the second gear on the outer wall of handle, second gear meshes with the third gear mutually, the third gear rigid coupling is on the outer wall of first threaded rod, first threaded rod and second threaded rod fixed connection, the tip of first threaded rod and second threaded rod all rotates with the shell through the bearing and is connected, first threaded rod and second threaded rod all with clamp splice threaded connection, two the clamp splice all with slide bar sliding connection, the slide bar rigid coupling is in the inside of shell, one end the surface rigid coupling of clamp splice has the horizontal pole, horizontal pole and other end clamp splice sliding connection.

Compared with the prior art, the beneficial effects of the utility model are that: this relief valve maintenance device suitable for different bores, through the motor, the connecting rod, bevel gear group, first gear, the lower rack, go up the rack, cooperation between slider and the spout, thereby the motor drives the connecting rod and rotates and drive bevel gear group and rotate and then drive the round pin axle and rotate, the round pin axle drives first gear revolve, thereby first gear drives rack and last rack removal down simultaneously and drives the slider and slide in the spout, lower rack and last rack relative motion, lower rack and last rack move the riser in the under casing relative motion, realized when fixed relief valve, the relief valve of different bores can be fixed, the problem that can not carry out the maintenance according to the relief valve of different bores has been solved.

Through the handle, the second gear, the third gear, first threaded rod, the second threaded rod, the clamp splice, cooperation between slide bar and the horizontal pole, thereby the handle drives the second gear and rotates, thereby the third gear drives first threaded rod and rotates and drive the second threaded rod and rotate, thereby first threaded rod and second threaded rod drive two clamp splices simultaneously and slide in the slide bar, two clamp splice relative motion, the left end clamp splice drives the horizontal pole and slides in the right end clamp splice, realized when the maintenance relief valve, can change different maintenance tools and maintain, the efficiency that reduces the maintenance relief valve has been solved, reduce the problem of practicality.

Drawings

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

FIG. 2 is a schematic view of the external structure of FIG. 1;

FIG. 3 is a schematic structural view of the clamping mechanism of FIG. 1;

FIG. 4 is an enlarged view of the structure at A in FIG. 1;

fig. 5 is an enlarged schematic view of B in fig. 1.

In the figure: 1. the device comprises a bottom box, 2, a workbench, 3, a support frame, 4, a fixing mechanism, 401, a motor, 402, a connecting rod, 403, a bevel gear group, 404, a first gear, 405, a lower rack, 406, an upper rack, 407, a sliding block, 408, a sliding chute, 4a1, a telescopic rod sleeve, 4a2, a telescopic rod, 4a3, a cross column, 4a4, a concave block, 5, a vertical plate, 6, a shell, 7, a hydraulic rod, 8, a clamping mechanism, 801, a handle, 802, a second gear, 803, a third gear, 804, a first threaded rod, 805, a second threaded rod, 806, a clamping block, 807, a sliding rod, 808 and a cross rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, 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 work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-5, the present invention provides a technical solution: a safety valve maintenance device suitable for different calibers comprises a bottom case 1, wherein a fixing mechanism 4 is arranged inside the bottom case 1, the fixing mechanism 4 comprises a motor 401, a connecting rod 402, a bevel gear group 403, a first gear 404, a lower rack 405, an upper rack 406, a sliding block 407 and a sliding groove 408, the model of the motor 401 is selected according to actual requirements and can meet the requirement for work, the motor 401 is fixedly connected to the outer wall of the bottom case 1 through a motor base, the output shaft of the motor 401 is fixedly connected with the connecting rod 402, the end part of the connecting rod 402 is rotatably connected with the bottom case 1 through a bearing, the connecting rod 402 is fixedly connected with a pin shaft through the bevel gear group 403, the motor 401 drives the connecting rod 402 to rotate so as to drive the bevel gear group 403 to rotate and further drive a pin shaft to rotate, the pin shaft is rotatably connected with the bottom case 1, the outer wall of the pin shaft is fixedly connected with a first gear 404, the pin shaft drives the first gear 404 to rotate, the first gear 404 is respectively meshed with the lower rack 405 and the upper rack 406, the surfaces of a lower rack 405 and an upper rack 406 are fixedly connected with a sliding block 407, the sliding block 407 is connected with a sliding groove 408 in a sliding manner, a first gear 404 drives the lower rack 405 and the upper rack 406 to move simultaneously so as to drive the sliding block 407 to slide in the sliding groove 408, the sliding groove 408 is arranged in the bottom box 1, the ends of the lower rack 405 and the upper rack 406 are fixedly connected with an upright plate 5, the upper rack 406 is connected with an end upright plate 5 in a sliding manner, the two upright plates 5 are connected with the bottom box 1 in a sliding manner, the lower rack 405 and the upper rack 406 move relatively, the lower rack 405 and the upper rack 406 drive the upright plates 5 to move relatively in the bottom box 1, the rubber pads play a role in increasing friction force and protecting the surface of a safety valve to be maintained, the two upright plates 5 slide in the workbench 2 to fix the safety valve to be maintained, the rubber pads are fixedly connected to the surfaces of the two upright plates 5, and the workbench 2 is fixedly connected to the surface of the bottom box 1, a groove is formed in the workbench 2, and the workbench 2 is connected with the lower rack 405 and the upper rack 406 in a sliding manner;

through the motor 401, the connecting rod 402, the bevel gear group 403, the first gear 404, the lower rack 405, the upper rack 406, the cooperation between the slider 407 and the chute 408, the motor 401 drives the connecting rod 402 to rotate so as to drive the bevel gear group 403 to rotate and further drive the pin shaft to rotate, the pin shaft drives the first gear 404 to rotate, the first gear 404 simultaneously drives the lower rack 405 and the upper rack 406 to move so as to drive the slider 407 to slide in the chute 408, the lower rack 405 and the upper rack 406 move relatively, the lower rack 405 and the upper rack 406 drive the vertical plate 5 to move relatively in the bottom box 1, when the safety valve is fixed, the safety valves with different calibers can be fixed, and the problem that the maintenance cannot be performed according to the safety valves with different calibers is solved.

Referring to fig. 1 and 3, a hydraulic rod 7 is fixedly connected to the surface of a supporting frame 3 fixed to the surface of a bottom case 1, a housing 6 is fixedly connected to the end of the hydraulic rod 7, a clamping mechanism 8 is disposed inside the housing 6, the clamping mechanism 8 includes a handle 801, a second gear 802, a third gear 803, a first threaded rod 804, a second threaded rod 805, a clamping block 806, a sliding rod 807 and a cross rod 808, both ends of the handle 801 are rotatably connected to the housing 6 through bearings, the second gear 802 is fixedly connected to the outer wall of the handle 801, the second gear 802 is engaged with the third gear 803, the handle 801 drives the second gear 802 to rotate so as to drive the third gear 803 to rotate, the third gear 803 is fixedly connected to the outer wall of the first threaded rod 804, and the first threaded rod 804 is fixedly connected to the second threaded rod 805, the third gear 803 drives the first threaded rod 804 to rotate so as to drive the second threaded rod 805 to rotate, the end portions of the first threaded rod 804 and the second threaded rod 805 are rotatably connected with the shell 6 through bearings, the first threaded rod 804 and the second threaded rod 805 are both in threaded connection with the clamping blocks 806, the two clamping blocks 806 are both in sliding connection with the sliding rod 807, the first threaded rod 804 and the second threaded rod 805 simultaneously drive the two clamping blocks 806 to slide in the sliding rod 807, the sliding rod 807 is fixedly connected inside the shell 6, the surface of the clamping block 806 at one end is fixedly connected with the cross rod 808, the two clamping blocks 806 move relatively, the clamping block 806 at the left end drives the cross rod 808 to slide in the clamping block 806 at the right end to clamp the maintenance tool, and the cross rod 808 is in sliding connection with the clamping block 806 at the other end;

through the cooperation between handle 801, second gear 802, third gear 803, first threaded rod 804, second threaded rod 805, clamp splice 806, slide bar 807 and horizontal pole 808, thereby handle 801 drives second gear 802 and rotates and drive third gear 803 and rotate, thereby third gear 803 drives first threaded rod 804 and rotates and drive second threaded rod 805 and rotate, first threaded rod 804 and second threaded rod 805 drive two clamp splice 806 and slide in slide bar 807 simultaneously, two clamp splice 806 relative motion, left end clamp splice 806 drives horizontal pole 808 and slides in right-hand member clamp splice 806, when having realized maintaining the relief valve, can change different maintenance tools and maintain, the efficiency that has solved the reduction maintenance relief valve, the problem of reduction practicality.

The working principle is as follows:

firstly, a safety valve to be maintained is placed at a groove of a workbench 2, a motor 401 is connected with an external power supply, the motor 401 drives a connecting rod 402 to rotate so as to drive a bevel gear set 403 to rotate and further drive a pin shaft to rotate, the pin shaft drives a first gear 404 to rotate, the first gear 404 simultaneously drives a lower rack 405 and an upper rack 406 to move so as to drive a sliding block 407 to slide in a sliding groove 408, the lower rack 405 and the upper rack 406 move relatively, the lower rack 405 and the upper rack 406 drive vertical plates 5 to move relatively in a bottom box 1, a rubber pad plays a role in increasing friction force and protecting the surface of the safety valve to be maintained, the two vertical plates 5 slide in the workbench 2 to fix the safety valve to be maintained, the maintenance can be carried out according to safety valves with different calibers, the motor 401 is stopped, the motor 401 is rotated in the opposite direction to release the fixation of the safety valve to be maintained, and according to the maintenance part of the safety valve to be maintained, different maintenance tools such as a sander and the like can be clamped, the maintenance tool is put into the shell 6 from an opening at the bottom of the shell 6, the handle 801 is rotated, the handle 801 drives the second gear 802 to rotate so as to drive the third gear 803 to rotate, the third gear 803 drives the first threaded rod 804 to rotate so as to drive the second threaded rod 805 to rotate, the first threaded rod 804 and the second threaded rod 805 simultaneously drive the two clamping blocks 806 to slide in the sliding rod 807, the two clamping blocks 806 move relatively, the left-end clamping block 806 drives the cross rod 808 to slide in the right-end clamping block 806 to clamp the maintenance tool, the top of the maintenance tool is in contact with the bottom of the cross rod 808, the handle 801 stops rotating, different maintenance tools can be better clamped by rotating the handle 801 in the opposite direction, when the second gear 802 rotates for one circle, the third gear 803 rotates for two circles, the transmission ratio is 8978 zft 8978, the clamping of the maintenance tool is accelerated, the hydraulic rod 7 is started, the hydraulic rod 7 drives the maintenance tool to maintain the safety valve to be maintained, after maintenance is finished, the hydraulic rod 7 is stopped, the hydraulic rod 7 returns to the initial position, the steps are repeated, and the safety valves with different calibers are continuously maintained.

Example 2

Referring to fig. 1 and 5, the present invention provides a technical solution: fixing mechanism 4 still includes telescopic link cover 4a1, telescopic link 4a2 and spreader 4a3 and concave block 4a4, telescopic link 4a2 is connected with the surface rigid coupling of under casing 1 through telescopic link cover 4a1, the tip rigid coupling of telescopic link 4a2 has spreader 4a3, spreader 4a3 and under casing 1 sliding connection, the surface rigid coupling of spreader 4a3 has concave block 4a4, after two risers 5 are fixed the relief valve, start telescopic link 4a2, telescopic link 4a2 drives spreader 4a3 and slides in under casing 1, spreader 4a3 drives concave block 4a4 and the surface of connecting rod 402 and tightly laminates, stop telescopic link 4a2, telescopic link 4a2 drives concave block 4a4 and returns to the initial position after the maintenance finishes, and then in the time, prevent that the relief valve from taking place the skew when the maintenance installation valve, the better fixed relief valve.

The working principle is as follows:

two risers 5 are fixed the back with the relief valve, start telescopic link 4a2, telescopic link 4a2 drives spreader 4a3 and slides in the under casing 1, spreader 4a3 drives the surface of concave piece 4a4 and connecting rod 402 and tightly laminates, stop telescopic link 4a2, the maintenance finishes the back telescopic link 4a2 and drives concave piece 4a4 and get back to initial position, and then in the time of, prevent that the relief valve from taking place the skew when the maintenance installation valve, fixed relief valve that can be better.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a relief valve maintenance device suitable for different bores, includes under casing (1), its characterized in that: a fixing mechanism (4) is arranged in the bottom box (1);

the fixing mechanism (4) comprises a motor (401), a connecting rod (402), a bevel gear group (403), a first gear (404), a lower rack (405), an upper rack (406), a sliding block (407) and a sliding groove (408);

motor (401) are through the motor cabinet rigid coupling on the outer wall of under casing (1), the output shaft rigid coupling of motor (401) has connecting rod (402), the tip of connecting rod (402) passes through the bearing and is connected with under casing (1) rotation, connecting rod (402) are through bevel gear group (403) and round pin axle fixed connection, the round pin axle rotates with under casing (1) to be connected, the rigid coupling has first gear (404) on the outer wall of round pin axle, first gear (404) mesh with lower rack (405) and last rack (406) respectively mutually, the equal rigid coupling in surface of lower rack (405) and last rack (406) has slider (407), slider (407) and spout (408) sliding connection, the inside at under casing (1) is seted up in spout (408).

2. The maintenance device for safety valves with different calibers according to claim 1, wherein: the end parts of the lower rack (405) and the upper rack (406) are fixedly connected with vertical plates (5), the upper rack (406) is in sliding connection with the vertical plate (5) at one end, the vertical plates (5) are in sliding connection with the bottom box (1), and rubber pads are fixedly connected to the surfaces of the vertical plates (5).

3. The maintenance device for safety valves with different calibers according to claim 1, wherein: the surface rigid coupling of under casing (1) has workstation (2), the inside processing of workstation (2) is fluted, workstation (2) and lower rack (405) and last rack (406) sliding connection.

4. The maintenance device for safety valves with different calibers of claim 1, wherein: the surface of the bottom box (1) is fixedly connected with a support frame (3), and the surface of the support frame (3) is fixedly connected with a hydraulic rod (7).

5. The maintenance device for safety valves with different calibers according to claim 4, wherein: and the end part of the hydraulic rod (7) is fixedly connected with a shell (6).

6. The maintenance device for safety valves with different calibers of claim 5, wherein: a clamping mechanism (8) is arranged in the shell (6);

the clamping mechanism (8) comprises a handle (801), a second gear (802), a third gear (803), a first threaded rod (804), a second threaded rod (805), a clamping block (806), a sliding rod (807) and a cross rod (808);

the two ends of the handle (801) are rotatably connected with the shell (6) through bearings, a second gear (802) is fixedly connected to the outer wall of the handle (801), the second gear (802) is meshed with a third gear (803), the third gear (803) is fixedly connected to the outer wall of a first threaded rod (804), the first threaded rod (804) is fixedly connected with a second threaded rod (805), the ends of the first threaded rod (804) and the second threaded rod (805) are rotatably connected with the shell (6) through bearings, the first threaded rod (804) and the second threaded rod (805) are both in threaded connection with clamping blocks (806), the two clamping blocks (806) are both in sliding connection with a sliding rod (807), the sliding rod (807) is fixedly connected to the inside of the shell (6), a cross rod (808) is fixedly connected to the surface of the clamping block (806) at one end, and the cross rod (808) is slidably connected with the clamping block (806) at the other end.

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