CN117191242A - GIS circuit breaker spring mechanism closing pressure test equipment - Google Patents

Abstract

The invention discloses a switching-on pressure test device for a spring mechanism of a GIS breaker, which relates to the technical field of spring pressure test and comprises a base, wherein a detection table is fixedly arranged in the middle of the top end of the base, a mounting frame is fixedly arranged at the top end of the detection table, a vertical plate is fixedly arranged at the rear side of the top end of the detection table, and a guide mechanism is movably arranged at the top end of the detection table.

Description

GIS circuit breaker spring mechanism closing pressure test equipment

Technical Field

The invention relates to the technical field of spring pressure testing, in particular to switching-on pressure testing equipment for a spring mechanism of a GIS breaker.

Background

With the rapid development of the construction of smart grids in China, the number of power transmission and transformation equipment is rapidly increased, and how to rapidly and efficiently complete power equipment power failure maintenance work on the premise of safe operation by maintenance personnel, so that the reliability of the equipment is guaranteed, and the power transmission and transformation equipment plays an important role in the stable operation of a power system.

There is the energy storage spring in the circuit breaker, the energy storage spring is arranged in accomplishing the motor energy storage, provide the required energy of combined floodgate, the time that the energy storage was accomplished to the energy release to the spring is not long, generally within 10 seconds, if the quality of energy storage spring is unqualified, can produce the influence to the divide-shut brake of circuit breaker, and then influence the performance of circuit breaker, current spring pressure test equipment, can't lead to the extrusion to the spring, before the extrusion, the spring has taken place the slope, lead to the measuring result inaccurate, and current spring pressure test equipment needs to measure whether the part spring pressure after the assembly reaches standard with the help of micrometer and accurate formula gram weight electronic scale, the efficiency is lower, rely on the factor of labor to take up to too big, very big increase staff's intensity, and whether the spring is lost elasticity to detect after the spring is compressed, the measuring range is incomplete.

Disclosure of Invention

The invention aims to provide a GIS breaker spring mechanism closing pressure testing device, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions: the switching-on pressure testing equipment for the spring mechanism of the GIS breaker comprises a base, wherein a detection table is fixedly installed in the middle of the top end of the base, an installation frame is fixedly installed at the top end of the detection table, and a vertical plate is fixedly installed at the rear side of the top end of the detection table;

the guide mechanism is movably arranged at the top end of the detection table and comprises a guide frame which is movably arranged at the top end of the detection table;

the elastic detection assembly is fixedly arranged in the inner cavity of the mounting frame and comprises a first spring, and the first springs are respectively and fixedly arranged in the middle parts of the left side and the right side of the inner cavity of the mounting frame;

the trigger assembly is movably arranged in the guide frame and comprises a second spring which is fixedly arranged at the bottom end of the inner cavity of the guide frame;

the pressure detection assembly is fixedly arranged in the inner cavity of the mounting frame and comprises L-shaped bearing plates, and the two L-shaped bearing plates are respectively and fixedly arranged at the left side and the right side of the inner cavity of the mounting frame;

the shifting assembly is fixedly arranged on the front side of the vertical plate and comprises a second mounting frame which is fixedly arranged on the front side of the vertical plate.

Preferably, the guiding mechanism further comprises a single-phase motor and a two-way threaded rod, a fixing seat is fixedly arranged on the left side of the top end of the base through a screw, the single-phase motor is fixedly arranged on the top end of the fixing seat through the screw, the two-way threaded rod is welded on an output shaft of the single-phase motor, two guiding frames are connected to the two-way threaded rod through threads, and four supporting legs are fixedly arranged on the bottom end of the base through screw center symmetry.

Preferably, the trigger assembly further comprises a sliding seat, a first limiting groove and a rotating plate, the sliding seat is fixedly arranged at the top end of the second spring through a screw, the first limiting groove is formed in the left side of the top end of the sliding seat, the rotating plate is movably connected in the first limiting groove through a rotating shaft, and a torsion spring is sleeved on the rotating shaft of the rotating plate.

Preferably, the pressure detection assembly further comprises a bell and a second limit groove, the two bell are fixedly installed at the middle part of one side of the L-shaped bearing plate, which is close to the rotating plate, through bolts, the second limit groove is formed in the middle part of the top end of the L-shaped bearing plate, the middle part of the top end of the inner cavity of the mounting frame is movably connected with an electric push rod through a hinging seat, a pressure plate is welded at the bottom end of the electric push rod, and a bump is welded at the rear side of the pressure plate.

Preferably, the elastic detection assembly further comprises a detection frame and a copper sheet, the two detection frames are respectively fixedly mounted at one ends of the first springs close to the center of the mounting frame through screws, the copper sheets are respectively embedded and mounted in the two detection frames, the two detection frames are respectively welded with a sliding block at the bottom ends, the sliding blocks are slidably connected in the second limiting grooves, and inclined planes close to the center of the pressure plate are arranged at one ends of the inner cavities of the detection frames, which are far away from the first springs.

Preferably, the shifting assembly further comprises a first mounting frame, a third spring, a push block, a third limiting groove, a fourth limiting groove, a sliding frame, a fourth spring and a clamping block, wherein a connecting rod is welded at the middle of the top end of the front side of the vertical plate, the first mounting frame is fixedly mounted on the front side of the connecting rod through a screw, the third spring is fixedly mounted on one side, close to the vertical plate, of an inner cavity of the first mounting frame through a screw, the push block is fixedly mounted at the front end of the third spring, the third limiting groove is respectively formed in the left side and the right side of the inner cavity of the first mounting frame, the positioning blocks are respectively welded at the left side and the right side of the push block, the positioning blocks are in sliding connection in the third limiting groove, the fourth limiting groove is formed in the middle of the bottom end of the second mounting frame, the sliding frame is movably provided with the sliding frame, the clamping block is fixedly mounted on the top end of the spring through a screw, the guide block is welded at the bottom end of the sliding frame, and the guide block is in sliding connection in the fourth limiting groove.

Preferably, the screw thread is carved on both ends and is the opposite structure on the two-way threaded rod, it is provided with pressure sensor to detect platform top middle part activity, pressure sensor top is provided with the rubber pad through screw fixed mounting, and rubber pad top activity is provided with the spring of waiting to examine, base top front side middle part embedding is installed the display screen, display screen and pressure sensor electric connection, limit groove five has been seted up at detection platform top middle part, the welding of guide frame bottom has the stopper, and stopper sliding connection in limit groove five.

Preferably, the front side of the top end of the mounting frame is fixedly provided with two first indicator lamps through screws, the rear side of the top end of the mounting frame is fixedly provided with two second indicator lamps through screws, the bell is electrically connected with the first indicator lamps, the copper sheet is electrically connected with the second indicator lamps, the left side of the front end of the base is fixedly provided with a control switch through screws, and the single-phase motor and the electric push rod are electrically connected with an external power supply through the control switch.

Preferably, the welding of testing table top rear side middle part has the locating rack, the welding of three bottom of spacing groove has the pull ring one, the welding of riser front side has the pull ring two, the welding of sliding frame top has the pull ring three, fixed mounting has the stay cord between pull ring one, pull ring two and the pull ring three, the notch has been seted up on the sliding frame top, and the width of notch equals the thickness of fixture block, the width of fixture block constantly grows from one side to the opposite side of keeping away from sliding frame inner chamber bottom, the rear side and the laminating of locating rack front side of fixture block, locating rack inner chamber bottom and laminating of sliding frame top.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the guide mechanism is arranged, so that the spring to be detected can be prevented from tilting in the compressed process after the spring to be detected is applied with pressure, the spring to be detected is effectively guided, the detection accuracy is improved, the spring to be detected is prevented from being detected again in the later period, the working intensity and the working time are increased, the spring to be detected is matched with the trigger assembly and the pressure detection assembly for use, the pressure required by the spring to be detected after the spring to be detected is compressed for a certain length can be detected, and therefore whether the spring to be detected belongs to a qualified product or not is detected, and the influence on the opening and closing operation of the circuit breaker when the spring to be detected is used in the circuit breaker is avoided;

2. according to the spring testing device, the displacement assembly is arranged, the electric push rod deflects after the spring to be tested is compressed for a certain length, so that the pressure of the spring to be tested is relieved, the spring to be tested is convenient to carry out subsequent continuous testing, the spring testing device is matched with the elastic testing assembly to use, whether the spring to be tested loses elasticity after the spring to be tested is applied with pressure or not is judged by whether the second indicator light is on, the detection range is more comprehensive, the reduction of the qualification rate of products in the same batch due to the fact that the spring to be tested is not subjected to elastic detection is avoided, the device is simple in structure, easy to operate by staff, and high in practicability.

Drawings

FIG. 1 is a schematic view of a first perspective structure of an embodiment of the present invention;

FIG. 2 is a schematic diagram of a second perspective structure of an embodiment of the present invention;

FIG. 3 is a first perspective view of a transmission mechanism for guiding according to an embodiment of the present invention;

FIG. 4 is a schematic perspective view of a pressure detecting assembly according to an embodiment of the present invention;

FIG. 5 is a schematic perspective view of an elastic detecting component according to an embodiment of the present invention;

FIG. 6 is a schematic perspective view of a displacement assembly according to an embodiment of the present invention;

fig. 7 is a schematic perspective view of a second mounting frame according to an embodiment of the invention.

In the figure: 1. a base; 2. a detection table; 3. a guide mechanism; 301. a single-phase motor; 302. a two-way threaded rod; 303. a guide frame; 4. a mounting frame; 5. an elasticity detecting assembly; 501. a first spring; 502. a detection frame; 503. copper sheets; 6. a trigger assembly; 601. a second spring; 602. a slide; 603. a first limit groove; 604. a rotating plate; 7. a pressure detection assembly; 701. an L-shaped bearing plate; 702. ringing; 703. a limiting groove II; 8. a displacement assembly; 801. a first mounting frame; 802. a third spring; 803. a pushing block; 804. a limit groove III; 805. a second mounting frame; 806. a limit groove IV; 807. a sliding frame; 808. a spring IV; 809. a clamping block; 9. an electric push rod; 10. a pressure plate; 11. a bump; 12. a first indicator light; 13. a second indicator light; 14. a display screen; 15. a control switch; 16. support legs; 17. a spring to be detected; 18. a limit groove V; 19. a limiting frame; 20. a vertical plate; 21. a pressure sensor.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-7, the present invention provides a technical solution: the switching-on pressure testing equipment for the spring mechanism of the GIS breaker comprises a base 1, wherein a detection table 2 is fixedly arranged in the middle of the top end of the base 1 through bolts, a mounting frame 4 is fixedly arranged at the top end of the detection table 2 through bolts, and a vertical plate 20 is welded on the rear side of the top end of the detection table 2;

the guide mechanism 3 is movably arranged at the top end of the detection table 2, the guide mechanism 3 comprises a guide frame 303, and the guide frame 303 is movably arranged at the top end of the detection table 2;

the elastic detection assembly 5 is fixedly arranged in the inner cavity of the mounting frame 4, the elastic detection assembly 5 comprises first springs 501, and the two first springs 501 are respectively fixedly arranged in the middle parts of the left side and the right side of the inner cavity of the mounting frame 4 through screws;

the trigger assembly 6 is movably arranged in the guide frame 303, the trigger assembly 6 comprises a second spring 601, and the second spring 601 is fixedly arranged at the bottom end of the inner cavity of the guide frame 303 through a screw;

the pressure detection assembly 7, the pressure detection assembly 7 is fixedly arranged in the inner cavity of the mounting frame 4, the pressure detection assembly 7 comprises L-shaped bearing plates 701, and the two L-shaped bearing plates 701 are respectively fixedly arranged on the left side and the right side of the inner cavity of the mounting frame 4 through screws;

the shifting assembly 8, the shifting assembly 8 is fixedly installed on the front side of the vertical plate 20, the shifting assembly 8 comprises a second installation frame 805, and the second installation frame 805 is fixedly installed on the front side of the vertical plate 20 through screws.

The guiding mechanism 3 further comprises a single-phase motor 301 and a bidirectional threaded rod 302, a fixed seat is fixedly arranged on the left side of the top end of the base 1 through a screw, the single-phase motor 301 is fixedly arranged on the top end of the fixed seat through the screw, the bidirectional threaded rod 302 is welded on an output shaft of the single-phase motor 301, two guiding frames 303 are connected to the bidirectional threaded rod 302 through threads, and four supporting legs 16 are symmetrically and fixedly arranged at the bottom end of the base 1 through screw centers; limiting the spring 17 to be detected through the guide mechanism 3;

the trigger assembly 6 further comprises a sliding seat 602, a first limiting groove 603 and a rotating plate 604, the sliding seat 602 is fixedly arranged at the top end of the second spring 601 through a screw, the first limiting groove 603 is formed in the left side of the top end of the sliding seat 602, the rotating plate 604 is movably connected in the first limiting groove 603 through a rotating shaft, and a torsion spring is sleeved on the rotating shaft of the rotating plate 604; triggering the pressure detection assembly 7 through the trigger assembly 6;

the pressure detection assembly 7 further comprises a bell 702 and a limiting groove II 703, wherein the bell 702 is fixedly arranged in the middle of one side of the two L-shaped bearing plates 701, which is close to the rotating plate 604, respectively through screws, the limiting groove II 703 is respectively formed in the middle of the top ends of the two L-shaped bearing plates 701, the middle of the top end of the inner cavity of the mounting frame 4 is movably connected with an electric push rod 9 through a hinging seat, the bottom end of the electric push rod 9 is welded with a pressure plate 10, and the rear side of the pressure plate 10 is welded with a convex block 11; the pressure required by the spring 17 to be detected to be compressed for a certain length is tested through the pressure detection assembly 7;

the elastic detection assembly 5 further comprises a detection frame 502 and a copper sheet 503, wherein one end, close to the center of the installation frame 4, of the first spring 501 is respectively fixedly provided with the detection frame 502 through screws, the copper sheet 503 is respectively embedded and installed in the two detection frames 502, the bottom ends of the two detection frames 502 are respectively welded with a sliding block, the sliding blocks are in sliding connection in the second limiting groove 703, and one end, far away from the first spring 501, of the inner cavity of the detection frame 502 is provided with an inclined surface close to the center of the pressure plate 10; the elasticity of the spring 17 to be detected after being compressed is tested through the elastic detection assembly 5;

the shifting assembly 8 further comprises a first mounting frame 801, a third spring 802, a push block 803, a third limit groove 804, a fourth limit groove 806, a sliding frame 807, a fourth spring 808 and a clamping block 809, wherein a connecting rod is welded in the middle of the top end of the front side of the vertical plate 20, the first mounting frame 801 is fixedly mounted on the front side of the connecting rod through a screw, the third spring 802 is fixedly mounted on one side, close to the vertical plate 20, of the inner cavity of the first mounting frame 801, the push block 803 is fixedly mounted through a screw, the third limit groove 804 is respectively formed in the left side and the right side of the inner cavity of the first mounting frame 801, the positioning blocks are respectively welded on the left side and the right side of the push block 803, the positioning blocks are in sliding connection in the third limit groove 804, the fourth limit groove 806 is formed in the middle of the bottom end of the second mounting frame 805, the sliding frame 807 is movably arranged in the second mounting frame 805, the clamping block 809 is fixedly mounted on the top end of the fourth spring 808 through a screw, the guide block is welded on the bottom end of the sliding frame 807, and the guide block is in sliding connection in the fourth limit groove 805; the pressure plate 10 is separated from the compressed spring 17 to be detected through the arranged displacement assembly 8;

threads are engraved at two ends of the bidirectional threaded rod 302 to form an opposite structure, a pressure sensor 21 is movably arranged in the middle of the top end of the detection table 2, a rubber pad is fixedly arranged at the top end of the pressure sensor 21 through a screw, a spring 17 to be detected is movably arranged at the top end of the rubber pad, a display screen 14 is embedded in the middle of the front side of the top end of the base 1, the display screen 14 is electrically connected with the pressure sensor 21, a limit groove five 18 is formed in the middle of the top end of the detection table 2, a limit block is welded at the bottom end of the guide frame 303, and the limit block is in sliding connection in the limit groove five 18; because the two ends of the bidirectional threaded rod 302 are carved with threads in opposite structures, the bidirectional threaded rod 302 drives the two guide frames 303 to move in opposite directions;

the front side of the top end of the mounting frame 4 is fixedly provided with two first indicator lamps 12 through screws, the rear side of the top end of the mounting frame 4 is fixedly provided with two second indicator lamps 13 through screws, the bell 702 is electrically connected with the first indicator lamps 12, the copper sheet 503 is electrically connected with the second indicator lamps 13, the left side of the front end of the base 1 is fixedly provided with a control switch 15 through screws, and the single-phase motor 301 and the electric push rod 9 are electrically connected with an external power supply through the control switch 15; the single-phase motor 301 and the electric push rod 9 are controlled to be switched through the control switch 15;

the middle part of the rear side of the top end of the detection table 2 is welded with a limiting frame 19, the bottom end of a limiting groove III 804 is welded with a pull ring I, the front side of a vertical plate 20 is welded with a pull ring II, the top end of a sliding frame 807 is welded with a pull ring III, a pull rope is fixedly arranged between the pull ring I, the pull ring II and the pull ring III, the top end of the sliding frame 807 is provided with a notch, the width of the notch is equal to the thickness of a clamping block 809, the width of the clamping block 809 is continuously increased from one side far away from the bottom end of an inner cavity of the sliding frame 807 to the other side, the rear side of the clamping block 809 is attached to the front side of the limiting frame 19, and the bottom end of the inner cavity of the limiting frame 19 is attached to the top end of the sliding frame 807; the push block 803 is tensioned through the set pull rope, and the clamping block 809 is limited through the set limiting frame 19.

Working principle: in the initial state, the rotating plate 604 is in a horizontal state, the spring III 802 is in a compressed state, the spring 17 to be detected is in contact with the copper sheet 503 to enable the second indicator lamp 13 to be lightened, the single-phase motor 301 is started through the control switch 15, the single-phase motor 301 rotates to drive the bidirectional threaded rod 302 to rotate, the bidirectional threaded rod 302 rotates to drive the two guide frames 303 to move towards the center of the detection table 2, the spring 17 to be detected is limited, so that guiding is carried out in the process that the spring 17 to be detected is compressed, the electric push rod 9 is started through the control switch 15, the pressure plate 10 is driven to move downwards and contact with the two detection frames 502 through the electric push rod 9, the first compression spring 501 enables the two detection frames 502 to move towards the direction away from the center of the pressure plate 10, meanwhile, the copper sheet 503 is in a contact state with the spring 17 to be detected is released, the second indicator lamp 13 is extinguished, the pressure plate 10 continues to move downwards until the pressure plate 10 is separated from the detection frames 502, due to the action of the first spring 501, the detection frame 502 is restored, when the platen 10 moves downward and contacts the spring 17 to be detected, the platen 10 continues to move downward, the spring 17 to be detected starts to be compressed, meanwhile, the slide seat 602 moves downward, the second spring 601 is compressed, when the platen 10 continues to move downward and the bump 11 contacts the clamping block 809, the platen 10 continues to move downward, the fourth spring 808 is compressed, when the spring 17 to be detected is compressed to be at the same height as the top end of the guide frame 303, the pressure value is read and recorded through the display screen 14, at the moment, the rotating plate 604 is changed from a horizontal state to a vertical state, the torsion spring sleeved on the rotating shaft of the rotating plate 604 is twisted, the clamping block 809 is pressed into the sliding frame 807 by the bump 11, the pulling force of the pushing block 803 is released by the pulling rope, the sliding frame 807 moves in the second mounting frame 805, the third spring 802 starts to stretch and pushes the pushing block 803 to move, the electric push rod 9 is enabled to rotate, the pressure plate 10 is gradually separated from the spring 17 to be detected, the pressure of the spring 17 to be detected is relieved, when the pressure plate 10 is completely separated, the spring 17 to be detected starts to stretch, the spring II 601 starts to stretch, the elastic potential energy of the torsion spring which is sleeved on the rotating plate 604 is released, and the elasticity of the spring 17 to be detected after being compressed is detected by observing whether the second indicator lamp 13 is lightened again.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims (9)

1. The utility model provides a GIS circuit breaker spring mechanism closing pressure test equipment, includes base (1), base (1) top middle part fixed mounting has detection platform (2), detection platform (2) top fixed mounting has mounting bracket (4), detection platform (2) top rear side fixed mounting has riser (20), its characterized in that:

the guide mechanism (3), the guide mechanism (3) is movably arranged at the top end of the detection table (2), the guide mechanism (3) comprises a guide frame (303), and the guide frame (303) is movably arranged at the top end of the detection table (2);

the elastic detection assembly (5), the elastic detection assembly (5) is fixedly arranged in the inner cavity of the mounting frame (4), the elastic detection assembly (5) comprises first springs (501), and the two first springs (501) are respectively fixedly arranged in the middle parts of the left side and the right side of the inner cavity of the mounting frame (4);

the trigger assembly (6), the trigger assembly (6) is movably arranged in the guide frame (303), the trigger assembly (6) comprises a second spring (601), and the second spring (601) is fixedly arranged at the bottom end of the inner cavity of the guide frame (303);

the pressure detection assembly (7), the pressure detection assembly (7) is fixedly arranged in the inner cavity of the mounting frame (4), the pressure detection assembly (7) comprises L-shaped bearing plates (701), and the two L-shaped bearing plates (701) are respectively fixedly arranged at the left side and the right side of the inner cavity of the mounting frame (4);

the shifting assembly (8), shifting assembly (8) fixed mounting is in riser (20) front side, shifting assembly (8) are including installing frame two (805), installing frame two (805) fixed mounting is in riser (20) front side.

2. The GIS circuit breaker spring mechanism closing pressure testing apparatus of claim 1, wherein: guiding mechanism (3) still include single-phase motor (301) and two-way threaded rod (302), base (1) top left side is through screw fixed mounting there is the fixing base, and the fixing base top is through screw fixed mounting there is single-phase motor (301), the welding has two-way threaded rod (302) on the output shaft of single-phase motor (301), threaded connection has two guide frame (303) on two-way threaded rod (302), four supporting legs (16) are through screw central symmetry fixed mounting in base (1) bottom.

3. The GIS circuit breaker spring mechanism closing pressure testing apparatus of claim 1, wherein: the trigger assembly (6) further comprises a sliding seat (602), a first limiting groove (603) and a rotating plate (604), the sliding seat (602) is fixedly arranged at the top end of the second spring (601) through a screw, the first limiting groove (603) is formed in the left side of the top end of the sliding seat (602), the rotating plate (604) is movably connected in the first limiting groove (603) through a rotating shaft, and a torsion spring is sleeved on the rotating shaft of the rotating plate (604).

4. A GIS circuit breaker spring mechanism closing pressure testing apparatus as claimed in claim 3 wherein: the pressure detection assembly (7) further comprises a bell (702) and a limiting groove II (703), wherein the two bell (702) are fixedly installed at the middle part of one side of the L-shaped bearing plate (701) close to the rotating plate (604) through screws respectively, the two limiting groove II (703) are respectively formed in the middle part of the top end of the L-shaped bearing plate (701), the middle part of the top end of the inner cavity of the mounting frame (4) is movably connected with an electric push rod (9) through a hinging seat, a pressure plate (10) is welded at the bottom end of the electric push rod (9), and a lug (11) is welded at the rear side of the pressure plate (10).

5. The GIS circuit breaker spring mechanism closing pressure testing apparatus of claim 4, wherein: the elastic detection assembly (5) further comprises a detection frame (502) and copper sheets (503), wherein the two detection frames (502) are respectively and fixedly installed at one ends, close to the centers of the installation racks (4), of the first springs (501), the copper sheets (503) are respectively and internally embedded in the detection frames (502), the two detection frames (502) are respectively welded with a sliding block at the bottom ends, the sliding blocks are in sliding connection in the second limiting grooves (703), and inclined planes close to the centers of the pressure plates (10) are arranged at one ends, far away from the first springs (501), of the inner cavities of the detection frames (502).

6. The GIS circuit breaker spring mechanism closing pressure testing apparatus of claim 1, wherein: the shifting assembly (8) further comprises a first mounting frame (801), a third spring (802), a pushing block (803), a third limiting groove (804), a fourth limiting groove (804), a sliding block (807), a fourth spring (808) and a clamping block (809), a connecting rod is welded to the middle of the top end of the front side of the vertical plate (20), the first mounting frame (801) is fixedly mounted with the first mounting frame through a screw, one side, close to the vertical plate (20), of an inner cavity of the first mounting frame (801) is fixedly mounted with the third spring (802) through a screw, the front end of the third spring (802) is fixedly mounted with the pushing block (803) through a screw, the third limiting groove (804) is respectively formed in the left side and the right side of the inner cavity of the first mounting frame (801), the positioning block is respectively welded to the left side and the right side of the sliding block, the fourth limiting groove (806) is formed in the middle of the bottom end of the second mounting frame (805), the sliding block (807) is movably arranged in the second mounting frame (805), the bottom end of the sliding block is fixedly mounted with the fourth spring (808), the fourth sliding block (808) is fixedly mounted with the top end of the fourth sliding block (809), and the fourth sliding block (809) is fixedly connected to the top end of the fourth sliding block (809) through the guiding block (809).

7. The GIS circuit breaker spring mechanism closing pressure testing apparatus of claim 2, wherein: the utility model discloses a device for detecting the pressure of the automobile, including two-way threaded rod (302) and guide frame (303), it is opposite structure that the screw is carved to establish at both ends on two-way threaded rod (302), it is provided with pressure sensor (21) to detect platform (2) top middle part activity, pressure sensor (21) top is provided with the rubber pad through screw fixed mounting, and rubber pad top activity is provided with and waits to examine spring (17), display screen (14) are installed in base (1) top front side middle part embedding, display screen (14) and pressure sensor (21) electric connection, limit groove five (18) have been seted up at detection platform (2) top middle part, guide frame (303) bottom welding has the stopper, and stopper is in limit groove five (18) sliding connection.

8. The GIS circuit breaker spring mechanism closing pressure testing apparatus of claim 1, wherein: two first indicator lamps (12) are fixedly mounted on the front side of the top end of the mounting frame (4), two second indicator lamps (13) are fixedly mounted on the rear side of the top end of the mounting frame (4) through screws, the bell (702) is electrically connected with the first indicator lamps (12), the copper sheet (503) is electrically connected with the second indicator lamps (13), a control switch (15) is fixedly mounted on the left side of the front end of the base (1), and the single-phase motor (301) and the electric push rod (9) are electrically connected with an external power supply through the control switch (15).

9. The GIS circuit breaker spring mechanism closing pressure testing apparatus of claim 6, wherein: the utility model discloses a detection platform, including detection platform (2), locating rack (19), limiting groove three (804) bottom welding has pull ring one, riser (20) front side welding has pull ring two, sliding frame (807) top welding has pull ring three, fixed mounting has the stay cord between pull ring one, pull ring two and the pull ring three, the notch has been seted up on sliding frame (807) top, and the width of notch equals the thickness of fixture block (809), the width of fixture block (809) constantly enlarges from the one side of keeping away from sliding frame (807) inner chamber bottom to the opposite side, the rear side and the laminating of limiting rack (19) front side of fixture block (809), the laminating of limiting rack (19) inner chamber bottom and sliding frame (807) top.