CN220759999U

CN220759999U - Sand screening device for constructional engineering

Info

Publication number: CN220759999U
Application number: CN202322470595.4U
Authority: CN
Inventors: 李立; 周萍萍; 张雨杰
Original assignee: Wenling First Construction Engineering Co ltd
Current assignee: Wenling First Construction Engineering Co ltd
Priority date: 2023-09-11
Filing date: 2023-09-11
Publication date: 2024-04-12
Anticipated expiration: 2033-09-11

Abstract

The utility model discloses a sand screening device for construction engineering, which comprises a frame body and a material conveying mechanism, wherein a left column and a right column are arranged on the frame body, a transverse plate is arranged between the left column and the right column, a rotating seat is arranged on the right column, a rotating shaft is arranged between the rotating seats, two ends of the rotating shaft are rotatably provided with screen plate pieces, a hinged plate and an arc guide plate are arranged on the screen plate pieces, a rotating piece is arranged on the transverse plate, an air cylinder is rotatably arranged on the rotating piece, the air cylinder is provided with a telescopic shaft, the end part of the telescopic shaft and the hinged plate are provided with a hinged shaft to rotate, a residual material collecting box is arranged below the arc guide plate, a tray plate is arranged on the inner side of the screen plate, a screen is supported on the tray plate, the screen is connected with the arc guide plate, a screen mounting bolt is fixed on the tray plate, a discharging box is arranged on the frame body, a connecting plate is arranged between the screen plate pieces, and a vibrator is arranged on the connecting plate. The utility model has the characteristics of real-time automatic vibration overturning cleaning, improved cleaning efficiency, ensured normal sand screening function and convenient disassembly and replacement of the screen.

Description

Sand screening device for constructional engineering

Technical Field

The utility model relates to the technical field of constructional engineering, in particular to a sand screening device for constructional engineering.

Background

In the construction engineering, concrete is often required to be stirred on a construction site, and sand materials purchased in practice cannot be directly used because of uneven particle sizes, so sand is required to be subjected to sand screening treatment.

At present, some sand screening equipment exists in the prior art, but in the process of screening sand, some sand materials and impurities which do not accord with standard particles can remain on a screen, once the sand materials and impurities are not cleaned for a long time, a large amount of sand materials and impurities which exceed standard are blocked at screen holes, so that the sand screening function of the sand materials is affected to a certain extent, manual cleaning is needed, the normal sand screening function can be ensured, however, the existing sand screening device for the building engineering is manually cleaned, the labor intensity is increased, the working efficiency is low, in addition, in the building engineering, different grades of concrete are needed, the sand materials with different particle sizes are needed, the existing sand screening device for the building engineering cannot be detached and replaced, the screen with corresponding aperture can not be replaced according to the sand materials with the needed particle sizes, and the usability is poor, so that the sand screening device is necessary to be improved.

Disclosure of Invention

To solve the problems set forth in the background art. The utility model provides a sand screening device for construction engineering, which has the characteristics of real-time automatic vibration overturning cleaning, improved cleaning work efficiency, ensuring normal sand screening function, facilitating disassembly and replacement of a screen, and replacing the screen with a corresponding aperture according to sand materials with required particle size.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a sand screening device for building engineering, includes support body and conveying mechanism, be provided with left post and right post on the support body, be provided with the diaphragm between left post and the right post, be provided with the roating seat on the right post, be provided with the pivot between the roating seat, the rotatory screen cloth plate that is provided with in both ends of pivot, be provided with hinged plate and arc guide plate on the screen cloth plate, be provided with the rotating member on the diaphragm, the rotating member is rotatory to be provided with the cylinder, the cylinder is provided with the telescopic shaft, the tip of telescopic shaft reaches rotatoryly with the articulated shaft that sets up, arc guide plate below is provided with clout collecting box, the inboard of screen cloth plate is provided with the tray piece, support on the tray piece is provided with the screen cloth, the screen cloth is connected with the arc guide plate, screen cloth mounting bolt is fixed on the tray piece, the support body is provided with the discharging box that is located the screen cloth below, be provided with the joint plate between the panel, be provided with the vibrator on the joint plate.

Preferably, a supporting seat is arranged at the bottom of the frame body.

As preferable, the conveying mechanism comprises a conveying machine body, a moving frame, a conveying driving rotating wheel and a conveying driven rotating wheel, wherein the moving frame is arranged on the conveying machine body, a motor support is arranged on the conveying machine body, a driving motor is arranged on the motor support, a driving belt main wheel is arranged on the driving motor in a driving mode, a driving belt is synchronously arranged on the side portion of the conveying driving rotating wheel, a driving belt is arranged between the driving belt main wheel and the driving belt, a conveying belt is arranged outside the conveying driving rotating wheel and the conveying driven rotating wheel, an upper roller seat and a lower roller seat are arranged on the conveying machine body, and auxiliary rollers are rotatably arranged on the upper roller seat and the lower roller seat.

As preferable in the utility model, the lower part of the conveyor body is provided with side baffles, the side baffles are positioned at two sides of the conveyor belt, and the conveyor belt is integrally provided with baffle plates at intervals.

As preferable mode of the utility model, the movable frame comprises a left hinged ear, a middle hinged ear and a right hinged ear, wherein the left hinged ear is hinged with a low-end supporting rod, the bottom end of the low-end supporting rod is provided with a left movable wheel, the middle hinged ear is hinged with a triangular supporting rod I, the right hinged ear is hinged with a triangular supporting rod II, a reinforcing rod is arranged between the triangular supporting rod I and the low-end supporting rod, the end part of the triangular supporting rod I is connected with the end part of the triangular supporting rod II, and the right movable wheel is arranged at the connecting part of the triangular supporting rod I and the triangular supporting rod II.

As the preferable mode of the utility model, the left column is movably provided with the jacking piece, the lower part of the jacking piece is provided with the inserting column, the inserting column is sleeved with the supporting spring, the jacking piece is provided with the placing groove, the screen plate is provided with the lower support, and the lower support is correspondingly located in the placing groove.

Preferably, the screen plate is provided with a rotating part, and a bearing I is arranged between the rotating part and the rotating shaft.

As preferable in the utility model, a movable storage box is arranged below the discharge box, a wheel frame is arranged at the bottom of the movable storage box, a wheel shaft is arranged on the wheel frame, a wheel body is rotatably arranged on the wheel shaft, and a bearing II is arranged between the wheel body and the wheel shaft.

By adopting the technical scheme, compared with the prior art, the utility model has the advantages that:

the sand screening device is simple and reasonable in structure, firstly, the screen plate and the screen in a normal sand screening state are in an inclined state, then, purchased sand materials are conveyed to a high position through the conveying mechanism and conveyed to the screen in the screen plate all the time, in the sand screening process, the vibrator is started, the screen on the screen plate is enabled to shake and screen sand, the sand materials on the screen are enabled to screen sand fully, sand screening efficiency is improved, and the sand materials reaching standards are discharged from the discharge box; when a batch of sand is screened, sand and impurities which do not meet the standard particles can remain on the screen, so that cleaning is needed, as the cylinder rotates a rotating piece arranged on the transverse plate, the end part of the telescopic shaft is in rotary fit with the hinged plate, meanwhile, the screen plate is rotationally arranged on the rotating shaft, the telescopic shaft is used for stretching to drive the hinged plate and the screen plate to lift and overturn through controlling the cylinder, so that the inclination angle of the screen in the screen plate is lifted, and the sand and impurities which do not meet the standard particles can vibrate and fall from the screen through the vibration of the vibrator, and reach the residual material collecting box through guiding of the arc guide plate, and each time of screening sand is subjected to overturning and vibration falling cleaning, so that real-time cleaning is achieved, a large amount of exceeding standard sand and impurities are prevented from blocking at the screen holes of the screen, the normal sand screening function is ensured, compared with manual cleaning, the automatic cleaning work efficiency is higher, and the manual labor intensity is reduced; because the screen cloth passes through bolt mode fixed mounting on the tray piece of screen cloth plate, this structure is convenient to be dismantled and is changed the screen cloth, and this structure can be according to the sand material of required granule size and change the screen cloth in corresponding aperture, and the usability is preferred.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the installation of the screen of the present utility model;

FIG. 3 is a schematic view of the screen of the present utility model when not installed;

FIG. 4 is a schematic view of the structure of the motor frame of the present utility model;

FIG. 5 is a schematic view of the screen panel of the present utility model inverted;

in the figure: 1. a frame body; 2. a left column; 3. a right column; 4. a cross plate; 5. a rotating seat; 6. a rotating shaft; 7. a screen panel; 8. a hinged plate; 9. an arc guide plate; 10. a rotating member; 11. a cylinder; 12. a telescopic shaft; 121. a hinge shaft; 13. a residue collecting box; 14. a bracket member; 15. a screen; 16. a bolt; 17. a discharging box; 18. a splice plate; 19. a vibrator; 20. a rotating shaft seat; 21. bolt holes; 22. a support base; 23. a conveyor body; 24. conveying a driving rotating wheel; 25. conveying driven rotating wheels; 26. a motor bracket; 27. a driving motor; 28. a drive belt main wheel; 29. a belt wheel; 30. a drive belt; 31. a conveyor belt; 32. an upper roller seat; 33. a lower roller seat; 34. an auxiliary drum; 35. side baffles; 36. a striker plate; 37. the left part is hinged with the ear; 38. the middle part is hinged with the ear; 39. the right part is hinged with the ear; 40. a lower end support bar; 41. a left moving wheel; 42. a triangular support rod I; 43. a triangular support bar II; 44. a reinforcing rod; 45. a right moving wheel; 46. a jacking member; 47. inserting a column; 48. a support spring; 49. placing the groove; 50. a lower support column; 51. a rotating part; 52. a bearing I; 53. moving the storage box; 54. a wheel carrier; 55. a wheel axle; 56. a wheel body; 57. bearing II.

Detailed Description

The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a sand screening device for building engineering, including support body 1 and conveying mechanism, be provided with left post 2 and right post 3 on the support body 1, be provided with diaphragm 4 between left post 2 and the right post 3, be provided with roating seat 5 on the right post 3, be provided with pivot 6 between the roating seat 5, the both ends rotation of pivot 6 is provided with screen cloth plate 7, be provided with hinged plate 8 and arc guide 9 on the screen cloth plate 7, be provided with rotating member 10 on the diaphragm 4, rotating member 10 is rotatory to be provided with cylinder 11, cylinder 11 is provided with telescopic shaft 12, telescopic shaft 12's tip reaches rotatoryly with hinged plate 8 setting hinge 121, arc guide 9 below is provided with clout collecting box 13, the inboard of screen cloth plate 7 is provided with tray piece 14, the support is provided with screen cloth 15 on the tray piece 14, screen cloth 15 is connected with arc guide 9, screen cloth 15 mounting bolt 16 is fixed on tray piece 14, support body 1 is provided with the discharging box 17 that is located screen cloth 15 below, be provided with joint plate 18 between the screen cloth plate 7, be provided with vibrator 19 on the joint plate 18.

The sand screening device is simple and reasonable in structure, firstly, the screen plate 7 and the screen 15 in a normal sand screening state are in an inclined state, then, purchased sand materials are conveyed to a high position through the conveying mechanism and conveyed to the screen 15 in the screen plate 7 all the time, in the sand screening process, the vibrator 19 is started, the screen 15 on the screen plate 7 is enabled to shake and screen sand, the sand materials on the screen 15 are enabled to sufficiently screen sand, the sand screening efficiency is improved, and the sand materials reaching standards are discharged from the discharge box 17; when a batch of sand is screened, sand and impurities which do not meet the standard particles can remain on the screen 15, so that the sand is required to be cleaned, as the cylinder 11 rotates the rotary part 10 arranged on the transverse plate 4, the end part of the telescopic shaft 12 is in rotary fit with the hinged plate 8, meanwhile, the screen plate 7 is arranged on the rotary shaft 6 in a rotary mode, the telescopic shaft 12 is used for stretching and driving the hinged plate 8 and the screen plate 7 to lift and turn over through controlling the cylinder 11, the inclination angle of the screen 15 in the screen plate 7 is lifted, and the screen 15 and the impurities which do not meet the standard particles vibrate and fall from the screen 15 through the vibration of the vibrator 19, and the guide arc guide plate 9 is used for guiding the sand to reach the residual material collecting box 13, and each time of sand screening is subjected to overturning, vibration and falling cleaning, so that real-time cleaning is achieved, a large amount of exceeding standard sand and impurities are prevented from being blocked at the sieve holes of the screen 15, the normal sand screening function is ensured, compared with manual cleaning, the automatic cleaning work efficiency is higher, and the manual labor intensity is reduced; because the screen 15 is fixedly arranged on the bracket plate 14 of the screen plate 7 in a bolt 16 mode, the screen 15 is convenient to detach and replace, and the screen 15 with corresponding aperture can be replaced according to sand materials with required particle size, so that the usability is good.

Specifically, the transverse plate 4 can play the linking effect, and the connection stability between the left column 2 and the right column 3 is enhanced. The inner side of the screen plate 7 is provided with a rotating shaft seat 20 for positioning and mounting the rotating shaft 6. The surplus materials collected by the surplus material collecting box 13 can be reused, so that the resource recycling function is well improved. Screen 157 is provided with a screen mesh, which is a conventional component. The arc guide plate 9 is connected with the screen 15, and when the screen 15 is inclined, a large amount of exceeding sand and impurities fall onto the arc guide plate 9 from the screen 15, and then the arc guide plate 9 is used for guiding and dumping. Wherein the bracket member 14 is provided with bolt holes 21 for the mounting of the bolts 16. The vibrator is fixedly arranged on the joint plate in a bolt way. Wherein the screen panel 7, the screen 15, the rotating shaft 6 and the engagement plate 18 can form a frame body, and the structure is assembled into a whole to achieve a stable frame structure. More specifically, the device can be started up by an external power supply, and is provided with a power supply and various elements driven by the cylinder 11.

Further, the bottom of the frame body 1 is provided with a supporting seat 22.

In the present embodiment, the support base 22 is used for supporting the frame 1.

Further, the conveying mechanism comprises a conveying machine body 23, a moving frame, a conveying driving rotating wheel 24 and a conveying driven rotating wheel 25, the moving frame is arranged on the conveying machine body 23, a motor support 26 is arranged on the conveying machine body 23, a driving motor 27 is arranged on the motor support 26, a driving belt main wheel 28 is arranged on the driving motor 27 in a driving mode, a driving belt wheel 29 is synchronously arranged on the side portion of the conveying driving rotating wheel 24, a driving belt 30 is arranged between the driving belt main wheel 28 and the driving belt wheel 29 in a driving mode, a conveying belt 31 is arranged outside the conveying driving rotating wheel 24 and the conveying driven rotating wheel 25, an upper roller seat 32 and a lower roller seat 33 are arranged on the conveying machine body 23, and an auxiliary roller 34 is arranged on the upper roller seat 32 and the lower roller seat 33 in a rotating mode.

In this embodiment, the conveying mechanism drives the driving belt main wheel 28 through the driving motor 27, the driving belt main wheel 28 drives the driving belt wheel 29 to operate through the driving belt 30, so that the conveying driving wheel 24 rotates, the conveying driving wheel 24 drives the conveying driven wheel 25 to rotate due to the fact that the conveying belt 31 is arranged on the conveying driving wheel 24 and the conveying driven wheel 25, and the conveying belt is assisted to be conveyed by the aid of the auxiliary roller 34.

Specifically, the conveyor body 23 is of an inclined structure, and is inclined by the moving frame, so that the conveying from low to high is achieved.

Further, side baffles 35 are arranged at the lower part of the conveyor body 23, the side baffles 35 are arranged at two sides of the conveyor belt, and baffle plates 36 are integrally arranged on the conveyor belt 31 at intervals.

In this embodiment, the side baffle 35 is disposed at the lower part of the conveying machine body 23, and can limit the lateral direction of the sand when placing the sand, and the sand can be conveyed and blocked by the arrangement of the baffle 36, so that the sand is prevented from sliding down from the lower part to the upper part, and the sand is ensured to be conveyed normally from the lower part to the upper part.

Further, the movable frame comprises a left hinged ear 37, a middle hinged ear 38 and a right hinged ear 39, the left hinged ear 37 is hinged to be provided with a low-end supporting rod 40, the bottom end of the low-end supporting rod 40 is provided with a left movable wheel 41, the middle hinged ear 38 is hinged to be provided with a triangular supporting rod I42, the right hinged ear 39 is hinged to be provided with a triangular supporting rod II43, a reinforcing rod 44 is arranged between the triangular supporting rod I42 and the low-end supporting rod 40, and the end part of the triangular supporting rod I42 is connected with the end part of the triangular supporting rod II43 and is provided with a right movable wheel 45 at the connecting part of the triangular supporting rod I.

In this embodiment, through the setting of low-end bracing piece 40, reach the support in low position, triangle bracing piece I42, triangle bracing piece II43 and conveyor body 23 form triangle bearing structure, reach high position and support, thereby form by low to high slope structure, and the steadiness is higher, reinforcing rod 44 makes low-end bracing piece 40 and triangle bearing structure form overall connection structure, make overall support better, and left side movable wheel 41 and right movable wheel 45 can guarantee the mobility, specifically, when carrying out screen panel 7 promotion upset, need remove conveying mechanism to one side, make things convenient for screen panel 7 to promote the upset.

Further, a jacking piece 46 is movably arranged on the left column 2, a plug 47 is arranged at the lower part of the jacking piece 46, a supporting spring 48 is sleeved on the plug 47, a placing groove 49 is arranged on the jacking piece 46, a lower support column 50 is arranged on the screen plate 7, and the lower support column 50 correspondingly falls in the placing groove 49.

In this embodiment, when the screen panel 7 is pressed down on the jacking piece 46 by the lower support post 50 during sand screening, the supporting spring 48 is contracted and buffered and gives a reaction force when the vibrator 19 vibrates, and since the vibration pressing force on the screen panel 7 is not large during vibration, the reaction force of the supporting spring 48 is also not large, the screen panel 7 is made to move up and down by the supporting spring 48 to cooperate with the vibrator 19, the screen 15 is made to vibrate, the insert post 47 is always inserted on the left post 2 in a positioning manner, so that the supporting spring 48 maintains an orientation when compressed or rebounded, and the placing groove 49 is used for placing the lower support post 50.

Further, a rotating portion 51 is provided on the screen panel 7, and a bearing I52 is provided between the rotating portion 51 and the rotating shaft 6.

In this embodiment, the bearing I52 can ensure normal rotation of the screen panel 7.

Further, a movable storage box 53 is arranged below the discharge box 17, a wheel frame 54 is arranged at the bottom of the movable storage box 53, a wheel shaft 55 is arranged on the wheel frame 54, a wheel body 56 is rotatably arranged on the wheel shaft 55, and a bearing II57 is arranged between the wheel body 56 and the wheel shaft 55.

In this embodiment, the sand material reaching the standard of the sand screening reaches the movable storage box 53 from the discharge box 17, the movable storage box 53 can rotate through the wheel body 56 on the wheel frame 54 and be transported to the required construction site, and the bearing II57 ensures that the wheel body 56 rotates normally.

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.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a sand screening device for building engineering, includes support body (1) and conveying mechanism, its characterized in that: be provided with left post (2) and right post (3) on support body (1), be provided with diaphragm (4) between left post (2) and right post (3), be provided with roating seat (5) on right post (3), be provided with pivot (6) between roating seat (5), the both ends rotation of pivot (6) are provided with screen cloth plate (7), be provided with hinged plate (8) and arc guide plate (9) on screen cloth plate (7), be provided with rotating member (10) on diaphragm (4), rotating member (10) are rotatory to be provided with cylinder (11), cylinder (11) are provided with telescopic shaft (12), the tip and hinged plate (8) of telescopic shaft (12) are provided with articulated shaft (121) and reach rotatoryly, arc guide plate (9) below is provided with clout collecting box (13), the inboard of screen cloth plate (7) is provided with tray piece (14), support is provided with screen cloth (15) on tray piece (14), screen cloth (15) are connected with screen cloth (9) and are connected with screen cloth (16) and are located screen cloth (15) fixed on support body (17), a connecting plate (18) is arranged between the screen plate pieces (7), and a vibrator (19) is arranged on the connecting plate (18).

2. A sand screening apparatus for construction engineering according to claim 1, wherein: the bottom of the frame body (1) is provided with a supporting seat (22).

3. A sand screening apparatus for construction engineering according to claim 1, wherein: the conveying mechanism comprises a conveying machine body (23), a moving frame, a conveying driving rotating wheel (24) and a conveying driven rotating wheel (25), the moving frame is arranged on the conveying machine body (23), a motor support (26) is arranged on the conveying machine body (23), a driving motor (27) is arranged on the motor support (26), a driving belt main wheel (28) is arranged on the driving motor (27) in a driving mode, a driving belt wheel (29) is synchronously arranged on the side portion of the conveying driving rotating wheel (24), a driving belt (30) is arranged between the driving belt main wheel (28) and the driving belt wheel (29), a conveying belt (31) is arranged outside the conveying driving rotating wheel (24) and the conveying driven rotating wheel (25), and an upper roller seat (32) and a lower roller seat (33) are arranged on the conveying machine body (23) in a rotating mode, and auxiliary rollers (34) are arranged on the upper roller seat (32) and the lower roller seat (33).

4. A sand screening apparatus for construction engineering according to claim 3, wherein: the low side of the conveyor body (23) is provided with side baffles (35), the side baffles (35) are positioned on two sides of the conveyor belt (31), and baffle plates (36) are integrally arranged on the conveyor belt (31) at intervals.

5. A sand screening apparatus for construction engineering according to claim 3, wherein: the movable frame comprises a left hinged ear (37), a middle hinged ear (38) and a right hinged ear (39), wherein the left hinged ear (37) is hinged to be provided with a low-end supporting rod (40), the bottom end of the low-end supporting rod (40) is provided with a left movable wheel (41), the middle hinged ear (38) is hinged to be provided with a triangular supporting rod I (42), the right hinged ear (39) is hinged to be provided with a triangular supporting rod II (43), a reinforcing rod (44) is arranged between the triangular supporting rod I (42) and the low-end supporting rod (40), and the end part of the triangular supporting rod I (42) is connected with the end part of the triangular supporting rod II (43) and a right movable wheel (45) is arranged at the joint of the triangular supporting rod I.

6. A sand screening apparatus for construction engineering according to claim 1, wherein: the left column (2) is movably provided with a jacking piece (46), the lower part of the jacking piece (46) is provided with an inserting column (47), the inserting column (47) is sleeved with a supporting spring (48), the jacking piece (46) is provided with a placement groove (49), the screen panel (7) is provided with a lower support column (50), and the lower support column (50) is correspondingly located in the placement groove (49).

7. A sand screening apparatus for construction engineering according to claim 1, wherein: the screen plate (7) is provided with a rotating part (51), and a bearing I (52) is arranged between the rotating part (51) and the rotating shaft (6).

8. A sand screening apparatus for construction engineering according to claim 1, wherein: the automatic discharging device is characterized in that a movable storage box (53) is arranged below the discharging box (17), a wheel carrier (54) is arranged at the bottom of the movable storage box (53), a wheel shaft (55) is arranged on the wheel carrier (54), a wheel body (56) is rotatably arranged on the wheel shaft (55), and a bearing II (57) is arranged between the wheel body (56) and the wheel shaft (55).