Crushing and cleaning device for groove bottom picking

By designing a base, a moving mechanism, and a stone crushing and collection device, the high safety risks and low efficiency of cleaning block stones during municipal pipeline trench construction were solved, achieving efficient and safe crushing and collection of block stones and reducing construction costs.

CN223464906UActive Publication Date: 2025-10-24CHENGDU CONSTR ENG GROUP CORP +1
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Patent Information

Application Number
CN202422454340.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-11
Publication Date
2025-10-24
Estimated Expiration
2034-10-11

AI Technical Summary

Technical Problem

In the construction of municipal pipeline trenches, the removal of blocky residual stones presents problems such as high safety risks, low efficiency, and high costs.

Method used

Design a crushing and cleaning device that includes a base, a moving mechanism, a stone crushing mechanism, and a collection mechanism. Utilize lifting and guiding components to crush and collect block stones. Employ a cylindrical crushing device to prevent wet materials from sticking together. Use multi-stage crushing teeth and auger blades to improve crushing efficiency.

Benefits of technology

It improves the efficiency of crushing and collecting block stones in the trench, reduces safety risks, reduces manual operation, and lowers construction costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The crushing and cleaning device comprises a base, moving mechanisms are arranged on the two sides of the base, a mounting plate is arranged at the bottom of the base through a first lifting assembly, a stone crushing mechanism is arranged at the bottom of the mounting plate, and a stone collecting mechanism is arranged at the bottom of the base through a second lifting assembly. The stone crushing mechanism is located in front of the stone collecting mechanism. The device has the beneficial effects that the base is erected above the groove through the movable supporting legs, then the crushing mechanism is lowered to the bottom of the groove through the first lifting assembly, then the cleaning and collecting mechanism is lowered to the bottom of the groove through the second lifting assembly, and at the moment, the base is driven to move forwards through the movable wheels; the blocky stones in the groove can be collected into the stone crushing mechanism to be crushed, and the crushed aggregates (coarse, medium and fine) are collected through the stone collecting mechanism and used for secondary bottom picking and backfilling.
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Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of material crushing, and particularly relates to a crushing and cleaning device for trench bottom picking. BACKGROUND

[0002] In municipal pipeline trench construction, strong weathered or medium weathered sandstone, mudstone geological conditions are often encountered, which often increases the construction difficulty, such as: trench bottom is accompanied by overbreak, large block residual stone, uneven trench bottom, etc. The existing municipal pipeline trench bottom picking generally adopts manual cleaning of block residual stone with excavating machinery. During pipeline construction, specific construction measures such as trench bottom secondary backfilling and leveling and manual bottom picking are required for pipeline foundation. The mechanical cleaning of residual materials with manual labor not only has great safety risks, but also has low work efficiency and high treatment cost. CONTENT OF THE UTILITY MODEL

[0003] The application provides a crushing and cleaning device for trench bottom picking, and solves the problems of large difficulty and low efficiency of the existing municipal pipeline trench bottom picking.

[0004] The application achieves the purpose by the following technical scheme.

[0005] A crushing and cleaning device for trench bottom picking, comprising a base, a moving mechanism is arranged on both sides of the base, a mounting plate is arranged on the bottom of the base through a first lifting assembly, a stone crushing mechanism is arranged on the bottom of the mounting plate, a stone collecting mechanism is arranged on the bottom of the base through a second lifting assembly, and the stone crushing mechanism is located in front of the stone collecting mechanism.

[0006] Further, the moving mechanism comprises a moving leg, moving legs are arranged on the opposite side walls of the base, moving wheels are arranged at the bottom ends of the moving legs, a sliding groove is arranged on the groove wall of the base, one end of a sliding rod is fixedly connected to the top end of the moving leg, the other end of the sliding rod is slidably connected in the sliding groove, a plurality of positioning grooves are arranged at the top end of the sliding rod, a positioning pin is threadedly connected to the top end of the base, and the sliding rod and the base are connected and fixed through the positioning grooves and the positioning pin.

[0007] Further, the stone crushing mechanism comprises a collecting frame fixedly arranged at the bottom end of the mounting plate, a crushing barrel is fixedly arranged on the side of the collecting frame close to the stone collecting mechanism, the front end inlet of the collecting frame and the crushing barrel is smoothly and transitionally arranged, a crushing assembly is arranged in the crushing barrel, a discharge port is arranged at the bottom of the end of the crushing barrel away from the collecting frame, and the discharge port is correspondingly arranged with the cleaning and collecting mechanism.

[0008] Further, the crushing assembly comprises a rotating shaft connected to the crushing barrel, a motor fixedly connected to the outer wall of the end of the crushing barrel away from the collecting frame, the motor is in transmission connection with the rotating shaft, a plurality of crushing rods are fixedly connected to the rotating shaft, and a plurality of crushing teeth are fixedly installed on the crushing rods.

[0009] Further, the crushing teeth are small crushing teeth, medium crushing teeth and large crushing teeth arranged in sequence, the small crushing teeth are arranged close to the rotating shaft, the small crushing teeth are isosceles triangle structures, the medium crushing teeth and the large crushing teeth are right triangle structures, the medium crushing teeth are arranged perpendicularly to the crushing rods on the outer side of the small crushing teeth, and the large crushing teeth are arranged perpendicularly to the crushing rods on the outer side of the medium crushing teeth.

[0010] Further, the rotating shaft is fixedly connected with an auger blade at the end away from the motor.

[0011] Further, the crushing barrel is fixedly connected with a material guide groove at the end away from the collecting frame, the material guide groove is a circular ring structure located below, and the material guide groove is arranged correspondingly to the discharge port.

[0012] Further, the stone collecting mechanism comprises a mounting frame fixedly installed at the bottom end of the second lifting assembly, an installation slot is formed in one side of the mounting frame, a collecting net bag is detachably connected to the mounting frame through the installation slot, locking bolts are threadedly connected to the mounting frame, the collecting net bag is fixedly connected to the mounting frame through the locking bolts, and a collecting shovel is arranged at the bottom of the side of the mounting frame away from the collecting net bag.

[0013] Further, the first lifting assembly and the second lifting assembly are electric telescopic cylinders or hydraulic cylinders.

[0014] Further, guide assemblies are arranged on the two sides of the mounting plate.

[0015] Further, the guide assembly comprises telescopic rods telescopically connected to the opposite two side walls of the mounting plate, the axis direction of the telescopic rods is perpendicular to the advancing direction of the base, a support plate is fixedly connected to the end of the telescopic rod, a stand is fixedly connected to the top end of the support plate, a roller is rotatably connected to the stand, a spring is sleeved on the telescopic rod, and the two ends of the spring are in abutment with the mounting plate and the support plate respectively.

[0016] The application has the following beneficial effects:

[0017] The trench bottom picking crushing and cleaning device provided by the application comprises a base, a moving leg, a moving wheel, a first lifting assembly, an installation plate, a second lifting assembly, a collecting frame, a crushing barrel, a rotating shaft, a motor, a crushing rod, small crushing teeth, middle crushing teeth, large crushing teeth, an auger blade, a guide chute, an installation frame, a collecting net bag, a locking bolt, a collecting shovel, an extension rod, a supporting plate, a stand, a roller, a spring, a sliding rod, a positioning groove and a positioning pin.

[0018] The foregoing main scheme of the application and each further selected scheme thereof can be freely combined to form multiple schemes, all of which are the schemes that can be adopted and claimed by the application; and the application can also be freely combined between (each non-conflicting selection) selections and other selections. Those skilled in the art can understand that there are multiple combinations according to the prior art and common knowledge after understanding the scheme, and all of the combinations are the technical schemes claimed by the application, which will not be listed exhaustively here. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic view of the application.

[0020] Figure 2 It is a structural schematic view of the application from another perspective.

[0021] Figure 3 It is an internal structural schematic view of the stone crushing mechanism of the application.

[0022] Figure 4 It is a structural schematic view of the installation frame of the application.

[0023] Figure 5 It is Figure 1 It is an enlarged view of part A in the middle.

[0024] In the figure: 1, base; 2, moving leg; 3, moving wheel; 4, first lifting assembly; 5, installation plate; 6, second lifting assembly; 7, collecting frame; 8, crushing barrel; 9, rotating shaft; 10, motor; 11, crushing rod; 12, small crushing teeth; 13, middle crushing teeth; 14, large crushing teeth; 15, auger blade; 16, guide chute; 17, installation frame; 18, collecting net bag; 19, locking bolt; 20, collecting shovel; 21, extension rod; 22, supporting plate; 23, stand; 24, roller; 25, spring; 26, sliding rod; 27, positioning groove; 28, positioning pin. DETAILED DESCRIPTION

[0025] The application will be further described below in conjunction with specific embodiments and accompanying drawings.

[0026] Embodiment 1

[0027] Reference Figures 1-5 As shown in the drawings, a broken cleaning device for trench bottom picking includes a base 1, a moving mechanism, a stone breaking mechanism, a stone collecting mechanism, a first lifting assembly 4, a mounting plate 5 and a second lifting assembly 6.

[0028] The base 1 is provided with the moving mechanism on both sides, and the moving mechanism is used to realize the walking of the device on the ground on both sides of the trench. The bottom of the base 1 is provided with the mounting plate 5 through the first lifting assembly 4, the first lifting assembly 4 is used to control the height of the mounting plate 5 and the stone breaking mechanism, and the mounting plate 5 is used for the arrangement of the stone breaking mechanism. The bottom of the mounting plate 5 is provided with the stone breaking mechanism, which is used to break the blocky stone in the trench. The bottom of the base 1 is provided with the stone collecting mechanism through the second lifting assembly 6, the second lifting assembly 6 is used to control the height of the stone collecting mechanism, and the stone collecting mechanism is used to collect the broken blocky stone in the trench. The stone breaking mechanism is located in front of the stone collecting mechanism, realizing the function of breaking first and then collecting. The two sides of the mounting plate 5 are provided with guide assemblies, which contact the side walls of the trench and are used to limit the direction of the base 1.

[0029] The base 1 and the mounting plate 5 are both in the shape of rectangular plates. In use, the base 1 is erected above the trench through the moving mechanism, then the stone breaking mechanism is lowered to the bottom of the trench through the first lifting assembly 4, and then the stone collecting mechanism is lowered to the bottom of the trench through the second lifting assembly 6. At this time, the base 1 can be driven forward by the moving mechanism, so that the blocky stone in the trench can be collected into the stone breaking mechanism for breaking, and the broken blocky stone can be collected by the stone collecting mechanism. In addition, through the setting of the guide assembly, the guide assembly can be used to support and guide the trench wall, so that the base 1 can always be located above the trench during the driving process of the moving mechanism, facilitating the breaking and cleaning of the garbage in the trench. The stone breaking mechanism adopts a cylindrical breaking device, which can avoid the adhesion of wet materials in the trench, avoid the situation that wet materials are easily adhered between the movable jaw plate and the fixed jaw plate of the traditional breaking machine, and ensure the breaking and collecting efficiency of the blocky stone in the trench.

[0030] The moving mechanism includes moving legs 2, moving wheels 3, sliding grooves, sliding rods 26, positioning grooves 27 and positioning pins 28. The moving legs 2 are installed on the opposite side walls of the base 1, and the base 1 is erected by the moving legs 2. The bottom end of the moving leg 2 is provided with the moving wheel 3, and the moving wheel 3 realizes the walking of the leg. The moving wheel 3 can be a passive traction roller or a self-walking roller.

[0031] In order to enable the device to be applied to different width grooves, a sliding groove is formed on the groove wall of the base 1, the top end of the moving leg 2 is fixedly connected to one end of a sliding rod 26, the other end of the sliding rod 26 is slidingly connected in the sliding groove, a plurality of positioning grooves 27 are formed on the top end of the sliding rod 26, a positioning pin 28 is threadedly connected to the top end of the base 1, and the sliding rod 26 and the base 1 are fixedly connected through the positioning grooves 27 and the positioning pin 28. The sliding rod 26 is extended by different lengths, and the positioning pin 28 is clamped in the corresponding positioning groove 27 through the base 1, at this time, the walking width of the moving wheel 3 is adjusted, and different width grooves can be applied.

[0032] In order to facilitate the use of the collecting frame 7 to send the garbage into the crushing barrel 8, the stone crushing mechanism includes the collecting frame 7, the crushing barrel 8 and the crushing assembly. The collecting frame 7 is fixedly installed at the bottom end of the mounting plate 5, is a front-to-back through rectangular frame, and is fixedly installed with the crushing barrel 8 at the side close to the stone collecting mechanism. The crushing barrel 8 is a cylindrical structure with an open front end, and the front end inlet of the collecting frame 7 and the crushing barrel 8 is smoothly transitioned. A discharge port is formed at the bottom of the end of the crushing barrel 8 away from the collecting frame 7, and the discharge port is correspondingly arranged with the cleaning collecting mechanism. The stone enters from the frontmost collecting frame 7, and then enters the crushing barrel 8. The crushing assembly is installed in the crushing barrel 8, and the stone is specifically crushed by the crushing assembly. The crushed stone is discharged from the discharge port.

[0033] In order to facilitate the crushing of the blocky stone, the crushing assembly includes a rotating shaft 9, a motor 10, a crushing rod 11, crushing teeth (small crushing teeth 12, medium crushing teeth 13 and large crushing teeth 14), an auger blade 15 and a guide chute 16. The rotating shaft 9 is rotatably connected in the crushing barrel 8. The motor 10 is fixedly connected to the outer wall of the end of the crushing barrel 8 away from the collecting frame 7. The motor 10 is in transmission connection with the rotating shaft 9, and drives the rotating shaft 9 to rotate. A plurality of crushing rods 11 are fixedly connected to the rotating shaft 9, the crushing rods 11 are arranged perpendicularly relative to the rotating shaft 9, and a plurality of crushing teeth are fixedly installed on the crushing rods 11. The rotating rotating shaft 9 drives the crushing rods 11 to rotate synchronously, and the crushing rods 11 and the crushing teeth knock and crush the stone.

[0034] In order to ensure the crushing effect of the blocky stone, the crushing teeth are small crushing teeth 12, medium crushing teeth 13 and large crushing teeth 14 arranged in sequence. The small crushing teeth 12 are arranged close to the rotating shaft 9, the small crushing teeth 12 are isosceles triangular structures, the medium crushing teeth 13 and the large crushing teeth 14 are right-angled triangular structures, the medium crushing teeth 13 are arranged perpendicularly to the crushing rod 11 outside the small crushing teeth 12, and the large crushing teeth 14 are arranged perpendicularly to the crushing rod 11 outside the medium crushing teeth 13. The stone is multi-stage crushed by the crushing teeth of various structures (sizes).

[0035] In order to avoid the garbage from being blocked at the barrel opening of the crushing barrel 8, the end of the rotating shaft 9 away from the motor 10 is fixedly connected with the auger blade 15, and the stone is conveyed through the spiral auger blade. The edge of the auger blade 15 can be provided with a sawtooth structure, so that the rotating shaft can also cut the blocky stone during rotation, further improving the anti-blocking effect.

[0036] In order to facilitate the collection of the crushed blocky stone, the end of the crushing barrel 8 away from the collecting frame 7 is fixedly connected with the guide chute 16, and the guide chute 16 is a semicircular structure located below. The guide chute 16 is much smaller than the barrel cross section of the crushing barrel 8, and to a certain extent, the stone is accumulated inside until it is crushed into small pieces and then sent out from the slot. The guide chute 16 is provided corresponding to the discharge port, and the crushed stone enters the stone collecting mechanism from the discharge port.

[0037] In order to facilitate the cleaning and transportation of the blocky stone, and facilitate the blocky stone to enter the cleaning and collecting mechanism, the stone collecting mechanism includes a mounting frame 17, a collecting net bag 18, a locking bolt 19 and a collecting shovel 20. The mounting frame 17 is a rectangular frame with front and rear openings, and is fixedly installed at the bottom end of the second lifting assembly 6. One side of the mounting frame 17 is provided with a mounting slot, which is arranged on the upper and lower sides of the rear end of the mounting frame 17 and opens on the side. The mounting frame 17 is detachably connected with the collecting net bag 18 through the mounting slot. The locking bolt 19 is threadedly connected to the mounting frame 17, and the collecting net bag 18 is fixedly connected to the mounting frame 17 through the locking bolt 19. The bag opening of the collecting net bag 18 is opposite to the frame opening of the mounting frame 17, and the bag opening of the collecting net bag 18 faces forward. The collecting shovel 20 is integrally arranged on the bottom of the side of the mounting frame 17 away from the collecting net bag 18, and forms a shovel structure at the front end of the mounting frame 17, which is conducive to the collection of the stone.

[0038] The first lifting assembly 4 and the second lifting assembly 6 are both electric telescopic cylinders or hydraulic cylinders, and the extension and retraction of the electric telescopic cylinders or hydraulic cylinders are used to complete the lifting control function.

[0039] In order to realize that the guide assembly can adapt to the width of the groove and ensure the guiding effect of the guide assembly, the guide assembly comprises a telescopic rod 21, a support plate 22, a stand 23, a roller 24 and a spring 25. The telescopic rod 21 is telescopically connected on the opposite two side walls of the mounting plate 5, the axis direction of the telescopic rod 21 is horizontal and is arranged perpendicular to the advancing direction of the base 1, the end of the telescopic rod 21 is fixedly connected with the support plate 22, the top end of the support plate 22 is fixedly connected with the stand 23, the stand 23 is rotatably connected with the roller 24, the telescopic rod 21 is sleeved with the spring 25, and the two ends of the spring 25 are respectively abutted with the mounting plate 5 and the support plate 22. Then, under the elastic support of the spring 25, the telescopic rod 21 can try to stretch outwards until the roller 24 is in contact with the groove wall, the roller 24 can rotate for guiding during advancing, and the friction generated by the contact can be reduced.

[0040] Working principle:

[0041] Firstly, the length of the sliding rod 26 extending out of the base 1 is adjusted according to the width of the groove, and the sliding rod 26 is fixed by using the positioning pin 28, so as to facilitate the erection of the base 1 above the groove, then the collecting frame 7, the crushing barrel 8 and the collecting net bag 18 on the mounting frame 17 are respectively put into the bottom of the groove by the first lifting assembly 4 and the second lifting assembly 6, and the roller 24 of the guide assembly on the mounting plate 5 is in contact with the groove wall; then the moving wheel 3 is driven to rotate, the base 1 is driven to advance by the moving wheel 3, in the advancing process, the motor 10 on the crushing barrel 8 is started, the blocky stone in the groove is collected by the collecting frame 7 and is sent into the crushing barrel 8, the shaft 9 is driven to rotate by the motor 10, the blocky stone is conveniently fed into the crushing barrel 8 by the auger blade 15 on the shaft 9, the blocky stone is crushed by the crushing rod 11 and the crushing teeth, the crushed blocky stone is discharged through the guide chute 16 and is fed into the collecting net bag 18 by the collecting shovel 20, when the collecting net bag 18 is full, the collecting net bag 18 is lifted by the second lifting assembly 6, the collecting net bag 18 is taken off from the mounting frame 17, and a new collecting net bag 18 is replaced, so that the crushing and cleaning work of the blocky stone in the groove can be continuously carried out.

[0042] The foregoing preferred embodiments and further selected examples of the present application can be freely combined to form a plurality of embodiments, all of which are embodiments that can be adopted and claimed by the present application. In the present application, each selected example can be arbitrarily combined with any basic example and selected example.

[0043] The above only describes the preferred embodiments of the present application and is not intended to limit the present application, and any modifications, equivalent replacements and improvements made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A broken stone cleaning device for trench bottom picking, comprising a base (1), characterized in that: The base (1) is provided with a moving mechanism on both sides, the bottom of the base (1) is provided with a mounting plate (5) through a first lifting assembly (4), the bottom of the mounting plate (5) is provided with a stone crushing mechanism, the bottom of the base (1) is provided with a stone collecting mechanism through a second lifting assembly (6), and the stone crushing mechanism is located in front of the stone collecting mechanism.

2. The broken cleaning device for a groove bottoming according to claim 1, characterized by: The moving mechanism comprises a moving leg (2), the moving leg (2) is arranged on the opposite side walls of the base (1), the bottom end of the moving leg (2) is provided with a moving wheel (3), a sliding groove is formed in the groove wall of the base (1), one end of a sliding rod (26) is fixedly connected to the top end of the moving leg (2), the other end of the sliding rod (26) is slidably connected in the sliding groove, a plurality of positioning grooves (27) are formed in the top end of the sliding rod (26), and a positioning pin (28) is threadedly connected to the top end of the base (1); the sliding rod (26) and the base (1) are connected and fixed through the positioning grooves (27) and the positioning pin (28).

3. The broken cleaning device for a groove bottoming according to claim 1, characterized by: The stone crushing mechanism comprises a collecting frame (7) fixedly installed at the bottom end of the mounting plate (5), a crushing barrel (8) is fixedly installed on the side of the collecting frame (7) close to the stone collecting mechanism, the front end inlet of the collecting frame (7) and the crushing barrel (8) is smoothly and transitionally arranged, a crushing assembly is installed in the crushing barrel (8), and a discharge port is formed in the bottom of the end of the crushing barrel (8) away from the collecting frame (7), and the discharge port is correspondingly arranged with the cleaning and collecting mechanism.

4. The broken cleaning device for a groove bottom picking according to claim 3, characterized in that: The crushing assembly comprises a rotating shaft (9) rotatably connected in the crushing barrel (8), a motor (10) is fixedly connected to the outer wall of the end of the crushing barrel (8) away from the collecting frame (7), the motor (10) is in transmission connection with the rotating shaft (9), a plurality of crushing rods (11) are fixedly connected to the rotating shaft (9), and a plurality of crushing teeth are fixedly installed on the crushing rods (11).

5. The broken cleaning device for a groove bottom picking according to claim 4, characterized in that: The crushing teeth are small crushing teeth (12), middle crushing teeth (13) and large crushing teeth (14) arranged in sequence, the small crushing teeth (12) are arranged close to the rotating shaft (9), the small crushing teeth (12) are in isosceles triangle structure, the middle crushing teeth (13) and the large crushing teeth (14) are in right triangle structure, the middle crushing teeth (13) are arranged on the outer side of the small crushing teeth (12) and are perpendicular to the crushing rods (11), and the large crushing teeth (14) are arranged on the outer side of the middle crushing teeth (13) and are perpendicular to the crushing rods (11).

6. The broken-cleaning device for a groove bottom-picking according to claim 4 or 5, characterized in that: The end of the rotating shaft (9) away from the motor (10) is fixedly connected with an auger blade (15).

7. The broken cleaning device for a groove bottom picking according to claim 4, characterized in that: The end of the crushing barrel (8) away from the collecting frame (7) is fixedly connected with a material guide groove (16), the material guide groove (16) is in circular ring structure arranged below, and the material guide groove (16) is correspondingly arranged with the discharge port.

8. The broken-cleaning device for a groove bottom-picking according to claim 1, characterized by: The stone collecting mechanism comprises a mounting frame (17) fixedly mounted at the bottom end of the second lifting assembly (6), one side of the mounting frame (17) is provided with a mounting slot, the mounting frame (17) is detachably connected with a collecting net bag (18) through the mounting slot, the mounting frame (17) is threadedly connected with a locking bolt (19), the collecting net bag (18) is fixedly matched with the mounting frame (17) through the locking bolt (19), and the side, away from the collecting net bag (18), of the mounting frame (17) is provided with a collecting shovel (20) at the bottom.

9. The broken cleaning device for a groove bottom picking according to claim 1, characterized in that: The first lifting assembly (4) and the second lifting assembly (6) are electric telescopic cylinders or hydraulic cylinders.

10. The broken-cleaning device for a groove bottom-picking according to claim 1, characterized by: Both sides of the mounting plate (5) are provided with guide assemblies; the guide assembly comprises telescopic rods (21) telescopically connected to the opposite two side walls of the mounting plate (5), the axis direction of the telescopic rod (21) is perpendicular to the advancing direction of the base (1), the distal end of the telescopic rod (21) is fixedly connected with a support plate (22), the top end of the support plate (22) is fixedly connected with a stand column (23), the stand column (23) is rotatably connected with a roller (24), the telescopic rod (21) is sleeved with a spring (25), and the two ends of the spring (25) are respectively abutted with the mounting plate (5) and the support plate (22).