CN220977550U - High resistance to compression gauge baffle - Google Patents

Abstract

The utility model relates to the field of rail transit, in particular to a high-pressure-resistance gauge baffle. Technical problems: when using the gauge baffle, if the compressive capacity of gauge baffle is not good, take place derailment phenomenon easily, when maintaining the gauge baffle, if the gauge baffle is difficult quick assembly disassembly can increase its maintenance time. The technical scheme is as follows: a high pressure-resistant gauge baffle comprises a bearing assembly. In the use process, the first fixing component, the second fixing component, the first compression-resistant component and the second compression-resistant component are matched for use, so that the compression-resistant capability of the track gauge baffle plate can be improved, and the track gauge baffle plate can be quickly disassembled and assembled by utilizing the limiting component and the bearing component, thereby solving the problem that when the track gauge baffle plate is used, if the compression-resistant capability of the track gauge baffle plate is poor, the derailment phenomenon is easy to occur, and when the track gauge baffle plate is maintained, if the track gauge baffle plate is difficult to quickly disassemble and assemble, the maintenance time of the track gauge baffle plate is prolonged.

Description

High resistance to compression gauge baffle

Technical Field

The utility model belongs to the field of rail transit, and particularly relates to a high-pressure-resistance gauge baffle.

Background

The gauge baffle is one of important components of a railway, the railway is produced by adopting a hot rolling method to produce the gauge baffle serving as a special-shaped section steel in a large quantity, the production process is complex, the operation technical level requirement is high, the existing gauge baffle usually needs maintenance after being used for a period of time, when the gauge baffle is used, if the pressure resistance of the gauge baffle is poor, the phenomenon of derailment easily occurs, and when the gauge baffle is maintained, if the gauge baffle is difficult to quickly disassemble and assemble, the maintenance time of the gauge baffle can be prolonged.

Disclosure of utility model

In order to overcome the problem that when the gauge baffle is used, if the pressure resistance of the gauge baffle is poor, derailment phenomenon is easy to occur, and when the gauge baffle is maintained, the maintenance time of the gauge baffle is prolonged if the gauge baffle is difficult to quickly disassemble and assemble.

The technical scheme of the utility model is as follows: a high pressure-resistant gauge baffle comprises a bearing assembly; the device also comprises a limiting assembly, a first fixing assembly, a second fixing assembly, a first compression-resistant assembly and a second compression-resistant assembly; the upper end of the bearing assembly is provided with a limiting assembly for limiting the track gauge baffle; the upper end of the limiting component is provided with a first fixing component for fixing the track; the upper end of the first fixing component is provided with a second fixing component for fixing the track; the upper end of the bearing component is provided with a second compression component for compression resistance in the vertical direction; a first compression-resistant component for resisting compression in the horizontal direction is arranged in the limiting component.

Preferably, in the use, first fixed subassembly, second fixed subassembly, first compressive assembly and second compressive assembly cooperation are used, can promote the compressive capacity of pressure gauge baffle to and utilize spacing subassembly and bear the weight of subassembly and can carry out quick assembly disassembly to the gauge baffle, solved when using the gauge baffle, if the compressive capacity of gauge baffle is not good take place derailment phenomenon easily, when maintaining the gauge baffle, if the gauge baffle is difficult to quick assembly disassembly can increase its maintenance time.

Preferably, the bearing assembly comprises a bearing table, an anti-slip pad, a first fixing hole and a base; the lower end of the bearing table is fixedly connected with a symmetrical base; the lower end of the bearing table is fixedly connected with an anti-slip pad; the upper end and the lower end of the bearing table are provided with first fixing holes in a penetrating way; when the anti-skid device is installed, the bearing components are placed on two sides of the track, the first fixing holes on the bearing table are installed on the outer wall of the fixing bolts, then the lower end of the base is attached to the upper end of the track, and the anti-skid pad is fixedly connected to the lower end of the bearing table; the protective pad is serrated, so that the device can be prevented from being displaced to a certain extent.

Preferably, the limiting assembly comprises a limiting frame, a first screw groove and a first bolt; a limit frame is fixedly connected to the upper end of the bearing table; the first fixing hole is communicated with the inner wall of the limit frame; when the bearing table is used, the bearing table 101 is fixed on two sides of a track, one end of the base 104 is attached to one end of the track, one end, close to the limit frame, of the two supporting blocks is attached to the left end and the right end of the limit frame after the track gauge is adjusted, and then the outer wall of the bearing block fixedly connected with the upper end of the spring is attached to the inner wall of the bearing groove at the lower end of the first fixing table, so that the first fixing table can be primarily fixed in the limit frame.

Preferably, the second compression assembly comprises a spring and a carrier block; the upper end of the bearing table is fixedly connected with a plurality of groups of symmetrical springs; the upper end of the spring is fixedly connected with a bearing block; the outer wall of the bearing block is separated from the inner wall of the limit frame by five centimeters at zero; the left end and the right end of the limiting frame are provided with symmetrical first spiral grooves in a penetrating way; the inner wall of the first screw groove is provided with a first bolt in a threaded manner; in the use, utilize the spring can be with the pressure absorption of first fixed station and the vertical direction of second fixed station to promote the compressive capacity of gauge baffle.

Preferably, the first compression-resistant component comprises a supporting block, a fourth screw groove and a supporting column; symmetrical support columns are fixedly connected between the two symmetrical support blocks; the left end and the right end of the supporting block are provided with symmetrical fourth spiral grooves in a penetrating way; one end of the supporting block, which is close to the limit frame, is attached to the left end and the right end of the limit frame; the lower ends of the two supporting blocks are attached to the upper end of the bearing table; the lower end of the bearing block and the upper end of the limit frame are positioned on the same plane; the first bolt passes through the fourth screw groove and is connected with the inner wall of the first screw groove in a threaded manner; the first bolt is matched with the fourth screw groove; in the use, because first fixed station installs in spacing frame, the loading end can be pushed down with the loading end, so the loading end can be with the spring extrusion compression state, with the back of the inner wall of fourth helicoidal groove and first helicoidal groove with first bolt, the loading end no longer with the spring extrusion compression state, thereby the spring resets can pop out first fixed station, thereby can take out the supporting shoe along the inner wall of spacing frame, thereby can take out first fixed station and second fixed station, then screw out the second bolt from the inner wall of third helicoidal groove and second helicoidal groove, thereby can take off the upper end of second fixed station from first fixed station, thereby the user maintains the device conveniently.

Preferably, the first fixing assembly comprises a first fixing table, a first limiting block, a first groove body, a fixing block, a second screw groove, a second bolt, a second fixing hole and a bearing groove; the lower ends of the first fixing tables are fixedly connected to the upper ends of the two supporting blocks; the lower end of the first fixed table is fixedly provided with a wave-shaped first groove body; the inner wall of the first groove body is fixedly connected with first limiting blocks which are uniformly distributed; a plurality of groups of symmetrical fixing blocks are fixedly connected at the edge of the upper end of the first fixing table; the left end and the right end of the fixed block are provided with second spiral grooves in a penetrating way; the inner wall of the second screw groove is provided with a second bolt in a threaded manner; the upper end and the lower end of the first fixed table are provided with second fixed holes in a penetrating way; a plurality of groups of symmetrical bearing grooves are fixedly formed at the lower end of the first fixed table; the bearing groove is matched with the bearing block; the second fixing hole is communicated with the inner wall of the limit frame; in the use, huge pressure and impact force that can produce when the train goes, when pressure and impact force pass to the gauge baffle, because first fixed station and second fixed station are the wave form, so can be better with pressure dispersion, mutually agree between the second stopper of the internal rigid coupling of first cell on the first fixed station and the internal rigid coupling of second cell on the second fixed station of following to can prevent that first fixed station and second fixed station from taking place great displacement when the gauge baffle bears impact and pressure.

Preferably, the second fixing assembly comprises a second fixing table, a third screw groove, a third fixing hole, an anti-pressing block, a second groove body, a second limiting block and a third groove body; the second fixed table is movably arranged at the upper end of the first fixed table; the lower end of the second fixing table is fixedly provided with a wave-shaped second groove body; the inner wall of the second groove body is fixedly connected with second limiting blocks which are uniformly distributed; the upper end of the second fixed table is fixedly connected with symmetrical anti-pressing blocks; the upper end and the lower end of the second fixed table are provided with third fixed holes in a penetrating way; the left end and the right end of the second fixed table are fixedly provided with symmetrical third spiral grooves; the fixed block is matched with the third groove body; the second bolt penetrates through the third screw groove and is connected with the inner wall of the second screw groove in a threaded manner; the second bolt is matched with the third screw groove; the third fixing hole is communicated with the inner wall of the second fixing hole; when the gauge baffle is used, the first fixing hole, the second fixing hole and the third fixing hole are communicated with each other, so that the gauge baffle can be installed on the fixing bolt, and then the elastic strip is installed on the second fixing table, so that the installation is completed.

The utility model has the beneficial effects that:

1. In the use process, huge pressure and impact force can be generated when a train runs, when the pressure and the impact force are transmitted to the track gauge baffle plate, the pressure can be well dispersed because the first fixed table and the second fixed table are in wave shape, then a first limiting block fixedly connected in a first groove body on the first fixed table and a second limiting block fixedly connected in a second groove body on the second fixed table are mutually matched, so that the first fixed table and the second fixed table can be prevented from generating larger displacement when the track gauge baffle plate bears the impact and the pressure, and the pressure in the vertical direction of the first fixed table and the second fixed table can be absorbed by utilizing a spring, so that the pressure resistance of the track gauge baffle plate is improved, and the problem that the track gauge baffle plate is easy to derail if the pressure resistance of the track gauge baffle plate is poor when the track gauge baffle plate is used is solved;

2. When maintenance is needed, as the bearing block is downwards extruded by the bearing groove when the first fixed table is arranged in the limiting frame, the spring is extruded into a compressed state by the bearing block, the spring is not extruded into a compressed state by the bearing block after the first bolt is screwed out of the inner walls of the fourth screw groove and the first screw groove, the spring is reset so as to pop out the first fixed table, so that the supporting block can be taken out along the inner wall of the limiting frame, the first fixed table and the second fixed table can be taken out, and then the second bolt is screwed out of the inner walls of the third screw groove and the second screw groove, so that the second fixed table can be taken off from the upper end of the first fixed table, thereby facilitating the maintenance of the device by a user, and solving the problem that the maintenance time of the rail gauge baffle is increased if the rail gauge baffle is difficult to quickly disassemble when the rail gauge baffle is maintained;

3. When the anti-skid device is installed, the bearing table is fixed on two sides of the track, one end of the base is attached to one end of the track, the first fixing hole on the bearing table is installed on the outer wall of the fixing bolt, then the lower end of the base is attached to the upper end of the track, and the anti-skid pad is fixedly connected to the lower end of the bearing table and is in a zigzag shape, so that the anti-skid device can be prevented from being displaced to a certain extent.

Drawings

FIG. 1 shows a schematic perspective view of a high pressure gauge baffle of the present utility model;

FIG. 2 shows a perspective exploded view of a first and second securing assemblies of a high compressive gauge baffle of the present utility model;

FIG. 3 is a perspective view showing a split view of a bearing assembly and a spacing assembly of a high pressure gauge baffle of the present utility model;

Fig. 4 shows a perspective exploded view of a high pressure gauge baffle of the present utility model.

The marks in the drawings are: 1-bearing component, 101-bearing platform, 102-anti-skid pad, 103-first fixing hole, 104-base, 2-limit component, 201-limit frame, 202-first screw groove, 203-first bolt, 3-first fixing component, 301-first fixing platform, 302-first limit block, 303-first groove body, 304-fixing block, 305-second screw groove, 306-second bolt, 307-second fixing hole, 308-bearing groove, 4-second fixing component, 401-second fixing platform, 402-third screw groove, 403-third fixing hole, 404-anti-pressing block, 405-second groove body, 406-second limit block, 407-third groove body, 5-first anti-pressing component, 501-supporting block, 502-fourth screw groove, 503-supporting column, 6-second anti-pressing component, 601-spring, 602-bearing block.

Detailed Description

The utility model is further described below with reference to the drawings and examples.

Referring to fig. 1, the present utility model provides an embodiment: a high pressure-resistant gauge baffle comprises a bearing component 1; the device also comprises a limiting component 2, a first fixing component 3, a second fixing component 4, a first compression-resistant component 5 and a second compression-resistant component 6; the upper end of the bearing component 1 is provided with a limiting component 2 for limiting the track gauge baffle; the upper end of the limiting component 2 is provided with a first fixing component 3 for fixing the track; the upper end of the first fixing component 3 is provided with a second fixing component 4 for fixing the track; the upper end of the bearing component 1 is provided with a second compression component 6 for compression resistance in the vertical direction; a first compression assembly 5 for compressing in the horizontal direction is arranged in the limiting assembly 2.

Referring to fig. 3, in the present embodiment, the bearing assembly 1 includes a bearing platform 101, an anti-slip pad 102, a first fixing hole 103 and a base 104; the lower end of the bearing table 101 is fixedly connected with a symmetrical base 104; the lower end of the bearing table 101 is fixedly connected with an anti-slip pad 102; the upper and lower ends of the bearing table 101 are provided with first fixing holes 103 in a penetrating manner; the limiting assembly 2 comprises a limiting frame 201, a first screw groove 202 and a first bolt 203; a limit frame 201 is fixedly connected to the upper end of the bearing table 101; the first fixing hole 103 is communicated with the inner wall of the limit frame 201; the second compression assembly 6 comprises a spring 601 and a bearing block 602; the upper end of the bearing table 101 is fixedly connected with a plurality of groups of symmetrical springs 601; the upper end of the spring 601 is fixedly connected with a bearing block 602; the outer wall of the bearing block 602 is separated from the inner wall of the limit frame 201 by five centimeters; the left end and the right end of the limit frame 201 are provided with symmetrical first spiral grooves 202 in a penetrating way; the first bolt 203 is threadedly mounted on the inner wall of the first screw groove 202.

Referring to fig. 4, in the present embodiment, the first compression-resistant component 5 includes a support block 501, a fourth screw groove 502 and a support column 503; a symmetrical support column 503 is fixedly connected between the two symmetrical support blocks 501; symmetrical fourth screw grooves 502 are formed in the left end and the right end of the supporting block 501 in a penetrating mode; one end of the supporting block 501, which is close to the limit frame 201, is attached to the left end and the right end of the limit frame 201; the lower ends of the two supporting blocks 501 are attached to the upper end of the bearing table 101; the lower end of the bearing block 602 and the upper end of the limit frame 201 are positioned on the same plane; the first bolt 203 is screwed to the inner wall of the first screw groove 202 through the fourth screw groove 502; the first bolt 203 is adapted to the fourth groove 502.

Referring to fig. 2, in the present embodiment, the first fixing assembly 3 includes a first fixing table 301, a first limiting block 302, a first slot 303, a fixing block 304, a second threaded slot 305, a second bolt 306, a second fixing hole 307 and a bearing slot 308; the lower ends of the first fixing tables 301 are fixedly connected to the upper ends of the two supporting blocks 501; the lower end of the first fixing table 301 is fixedly provided with a wave-shaped first groove 303; the inner wall of the first groove 303 is fixedly connected with uniformly distributed first limiting blocks 302; a plurality of groups of symmetrical fixing blocks 304 are fixedly connected at the edge of the upper end of the first fixing table 301; the left and right ends of the fixed block 304 are provided with second screw grooves 305 in a penetrating way; the inner wall of the second screw groove 305 is provided with a second bolt 306 in a threaded manner; the upper and lower ends of the first fixing table 301 are provided with second fixing holes 307; a plurality of groups of symmetrical bearing grooves 308 are fixedly formed at the lower end of the first fixed table 301; the bearing groove 308 is matched with the bearing block 602; the second fixing hole 307 is communicated with the inner wall of the limit frame 201.

Referring to fig. 2 and 4, in the present embodiment, the second fixing assembly 4 includes a second fixing table 401, a third screw groove 402, a third fixing hole 403, a compression block 404, a second groove 405, a second limiting block 406, and a third groove 407; the second fixed table 401 is movably arranged at the upper end of the first fixed table 301; the lower end of the second fixing table 401 is fixedly provided with a wave-shaped second groove body 405; the inner wall of the second groove body 405 is fixedly connected with second limiting blocks 406 which are uniformly distributed; the upper end of the second fixed table 401 is fixedly connected with symmetrical compression blocks 404; a third fixing hole 403 is formed at the upper and lower ends of the second fixing table 401 in a penetrating manner; symmetrical third screw grooves 402 are fixedly formed in the left end and the right end of the second fixing table 401; the fixed block 304 is matched with the third groove body 407; the second bolt 306 is screwed to the inner wall of the second screw groove 305 through the third screw groove 402; the second bolt 306 is matched with the third screw groove 402; the third fixing hole 403 is communicated with the inner wall of the second fixing hole 307.

During operation, the bearing table 101 is fixed on two sides of the track, one end of the base 104 is attached to one end of the track, one end of the two supporting blocks 501 close to the limit frame 201 is attached to the left end and the right end of the limit frame 201 after the track gauge is adjusted, the outer wall of the bearing block 602 fixedly connected with the upper end of the spring 601 is attached to the inner wall of the bearing groove 308 at the lower end of the first fixing table 301, so that the first fixing table 301 can be primarily fixed in the limit frame 201, and the first bolt 203 passes through the fourth screw groove 502 to be connected to the inner wall of the first screw groove 202 in a threaded manner; the first bolt 203 is matched with the fourth screw groove 502, so the first bolt 203 can fix the supporting block 501 on the inner wall of the limit frame 201, further fix the first fixing table 301 in the limit frame 201, then attach the inner wall of the third groove 407 formed on the second fixing table 401 to the outer wall of the fixing block 304 on the first fixing table 301, and the second fixing table 401 can be better fixed on the first fixing table 301 due to the wavy shape of the first fixing table 301 and the second fixing table 401 and the matching of the first fixing table 301 and the second fixing table 401, and then pass through the third screw groove 402 to be connected on the inner wall of the second screw groove 305 by the second bolt 306; the second bolt 306 is adapted to the third screw groove 402, so that the second fixing table 401 can be fixed to the upper end of the first fixing table 301, and since the first fixing hole 103, the second fixing hole 307 and the third fixing hole 403 are penetrated, the gauge plate can be mounted on the fixing bolt, and then the elastic strip can be mounted on the second fixing table 401, thereby completing the mounting.

Then, in the use, huge pressure and impact force that can be produced when the train runs, when pressure and impact force are transmitted to the gauge baffle, because the first fixed platform 301 and the second fixed platform 401 are wave-shaped, the pressure can be better dispersed, and then the first limiting block 302 fixedly connected in the first groove body 303 on the first fixed platform 301 and the second limiting block 406 fixedly connected in the second groove body 405 on the second fixed platform 401 are mutually matched, so that the first fixed platform 301 and the second fixed platform 401 can be prevented from generating larger displacement when the gauge baffle bears impact and pressure, and the spring 601 can absorb the pressure in the vertical direction of the first fixed platform 301 and the second fixed platform 401, thereby improving the compressive capacity of the gauge baffle.

When maintenance is required, since the bearing block 602 is pressed downward by the bearing groove 308 when the first fixing base 301 is mounted in the limit frame 201, the bearing block 602 presses the spring 601 into a compressed state, and after the first bolt 203 is screwed out from the fourth screw groove 502 and the inner wall of the first screw groove 202, the bearing block 602 does not press the spring 601 into a compressed state any more, the spring 601 is reset, so that the first fixing base 301 can be ejected, the supporting block 501 can be taken out along the inner wall of the limit frame 201, so that the first fixing base 301 and the second fixing base 401 can be taken out, and then the second bolt 306 is screwed out from the third screw groove 402 and the inner wall of the second screw groove 305, so that the second fixing base 401 can be taken down from the upper end of the first fixing base 301, and the maintenance of the device is convenient for a user.

Through the steps, in the use process, the first fixing component 3, the second fixing component 4, the first compression-resistant component 5 and the second compression-resistant component 6 are matched for use, so that the compression-resistant capability of the pressure gauge baffle plate can be improved, and the rail gauge baffle plate can be quickly disassembled and assembled by utilizing the limiting component 2 and the bearing component 1, so that the problem that the derailment phenomenon is easy to occur if the compression-resistant capability of the rail gauge baffle plate is poor when the rail gauge baffle plate is used is solved, and the maintenance time of the rail gauge baffle plate is prolonged if the rail gauge baffle plate is difficult to quickly disassemble and assemble when the rail gauge baffle plate is maintained.

The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.

Claims (7)

1. A high pressure-resistant gauge baffle comprises a bearing component (1); the method is characterized in that: the device also comprises a limiting component (2), a first fixing component (3), a second fixing component (4), a first compression-resistant component (5) and a second compression-resistant component (6); the upper end of the bearing assembly (1) is provided with a limiting assembly (2) for limiting the track gauge baffle; the upper end of the limiting component (2) is provided with a first fixing component (3) for fixing the track; the upper end of the first fixing component (3) is provided with a second fixing component (4) for fixing the track; the upper end of the bearing component (1) is provided with a second compression component (6) for compression resistance in the vertical direction;

A first compression assembly (5) for compressing in the horizontal direction is arranged in the limiting assembly (2).

2. A high pressure gauge baffle as set forth in claim 1 wherein: the bearing assembly (1) comprises a bearing table (101), an anti-slip pad (102), a first fixing hole (103) and a base (104); the lower end of the bearing table (101) is fixedly connected with a symmetrical base (104); the lower end of the bearing table (101) is fixedly connected with an anti-slip pad (102); the upper end and the lower end of the bearing table (101) are provided with first fixing holes (103) in a penetrating mode.

3. A high pressure gauge baffle as set forth in claim 2 wherein: the limiting assembly (2) comprises a limiting frame (201), a first screw groove (202) and a first bolt (203); a limit frame (201) is fixedly connected to the upper end of the bearing table (101); the first fixing hole (103) is communicated with the inner wall of the limit frame (201).

4. A high pressure gauge baffle according to claim 3, wherein: the second compression-resistant component (6) comprises a spring (601) and a bearing block (602); a plurality of groups of symmetrical springs (601) are fixedly connected to the upper end of the bearing table (101); the upper end of the spring (601) is fixedly connected with a bearing block (602); the outer wall of the bearing block (602) is separated from the inner wall of the limit frame (201) by five centimeters at zero point; the left end and the right end of the limit frame (201) are provided with symmetrical first spiral grooves (202) in a penetrating way; a first bolt (203) is arranged on the inner wall of the first screw groove (202) in a threaded manner.

5. A high pressure gauge baffle as set forth in claim 4 wherein: the first compression-resistant component (5) comprises a supporting block (501), a fourth screw groove (502) and a supporting column (503); symmetrical support columns (503) are fixedly connected between the two symmetrical support blocks (501); symmetrical fourth screw grooves (502) are formed in the left end and the right end of the supporting block (501) in a penetrating mode; one end of the supporting block (501) close to the limit frame (201) is attached to the left end and the right end of the limit frame (201); the lower ends of the two supporting blocks (501) are attached to the upper end of the bearing table (101); the lower end of the bearing block (602) and the upper end of the limit frame (201) are positioned on the same plane; the first bolt (203) passes through the fourth screw groove (502) and is connected with the inner wall of the first screw groove (202) in a threaded manner; the first bolt (203) is matched with the fourth screw groove (502).

6. A high pressure gauge baffle as set forth in claim 5 wherein: the first fixing assembly (3) comprises a first fixing table (301), a first limiting block (302), a first groove body (303), a fixing block (304), a second screw groove (305), a second bolt (306), a second fixing hole (307) and a bearing groove (308); the lower ends of the first fixing tables (301) are fixedly connected to the upper ends of the two supporting blocks (501); the lower end of the first fixed table (301) is fixedly provided with a wave-shaped first groove body (303); the inner wall of the first groove body (303) is fixedly connected with first limiting blocks (302) which are uniformly distributed; a plurality of groups of symmetrical fixing blocks (304) are fixedly connected at the edge of the upper end of the first fixing table (301); the left end and the right end of the fixed block (304) are provided with second screw grooves (305) in a penetrating way; the inner wall of the second screw groove (305) is provided with a second bolt (306) in a threaded manner; the upper end and the lower end of the first fixed table (301) are provided with second fixed holes (307) in a penetrating way; a plurality of groups of symmetrical bearing grooves (308) are fixedly formed at the lower end of the first fixed table (301); the bearing groove (308) is matched with the bearing block (602); the second fixing hole (307) is communicated with the inner wall of the limit frame (201).

7. A high pressure gauge baffle as set forth in claim 6 wherein: the second fixing assembly (4) comprises a second fixing table (401), a third screw groove (402), a third fixing hole (403), a compression block (404), a second groove body (405), a second limiting block (406) and a third groove body (407); the second fixed table (401) is movably arranged at the upper end of the first fixed table (301); the lower end of the second fixed table (401) is fixedly provided with a wave-shaped second groove body (405); the inner wall of the second groove body (405) is fixedly connected with second limiting blocks (406) which are uniformly distributed; the upper end of the second fixed table (401) is fixedly connected with symmetrical compression blocks (404); a third fixing hole (403) is formed at the upper end and the lower end of the second fixing table (401) in a penetrating way; the left end and the right end of the second fixed table (401) are fixedly provided with symmetrical third spiral grooves (402); the fixed block (304) is matched with the third groove body (407); the second bolt (306) passes through the third screw groove (402) and is connected with the inner wall of the second screw groove (305) in a threaded manner; the second bolt (306) is matched with the third screw groove (402); the third fixing hole (403) is communicated with the inner wall of the second fixing hole (307); the first limiting block (302) is matched with the second limiting block (406).