CN216859356U - Height adjusting mechanism for walking wheels and polishing equipment - Google Patents

Abstract

The utility model provides a travelling wheel height adjusting mechanism and polishing equipment, wherein the travelling wheel height adjusting mechanism comprises a rack, an ejector rod, a travelling wheel, a wheel shaft and a lifting adjusting assembly, the travelling wheel is rotatably arranged on the rack through the wheel shaft, the upper end of the ejector rod is connected to the rack, the lower end of the ejector rod is supported on the wheel shaft, the ejector rod is vertically arranged between the rack and the wheel shaft, and the lifting adjusting assembly is arranged on the ejector rod so as to adjust the distance between the wheel shaft and the rack along the height direction of the ejector rod. This equipment of polishing includes above-mentioned walking wheel height adjustment mechanism, the equipment of polishing is the water mill, the water mill includes motor, vertical scroll, torsion dish, connection pad and mill, and on the motor was fixed in the frame, the axle of motor stretched perpendicularly downwards and stretches out, and the axle stretches fixed connection in the connecting hole of vertical scroll, and the torsion dish is installed on the vertical scroll, and the mill is fixed in torsion dish below through the connection pad, and the connection pad is located between torsion dish and the mill. This walking wheel height adjusting mechanism can reduce wearing and tearing and deflection, increase of service life.

Description

Height adjusting mechanism for walking wheels and polishing equipment

Technical Field

The utility model relates to the technical field of grinding equipment, in particular to a walking wheel height adjusting mechanism and grinding equipment with the walking wheel height adjusting mechanism.

Background

Please refer to fig. 1, at present, the walking wheel height adjusting mechanism of the existing grinding equipment (water mill, terrace polisher) comprises a frame, a sleeve, an ejector rod and an adjusting screw, wherein the sleeve is obliquely fixed on the frame, the ejector rod axially slidably penetrates through the sleeve, the upper end of the ejector rod is located in the sleeve, the adjusting screw is screwed on the upper end of the sleeve and abuts against the upper end of the ejector rod, the lower end of the ejector rod is connected with a wheel shaft of the walking wheel through a rotating connecting piece, and the sliding displacement of the ejector rod along the sleeve can be adjusted by rotating the adjusting screw, so that the height of the walking wheel can be adjusted, and the height of the grinding disc can be adjusted. However, the adjusting mechanism matched with the sleeve and the ejector rod which are arranged in an inclined mode is complex in structure, multiple in spare parts and large in manufacturing difficulty, and is easy to deform and damage under the high-speed working condition, and the working hours are delayed due to frequent repair and replacement.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides a road wheel height adjusting mechanism and a grinding apparatus to reduce wear and deformation.

The technical scheme of the utility model is as follows:

the utility model provides a travelling wheel height adjusting mechanism which comprises a rack, a top rod, a travelling wheel, a wheel shaft and a lifting adjusting assembly, wherein the travelling wheel is rotatably arranged on the rack through the wheel shaft, the upper end of the top rod is connected to the rack, the lower end of the top rod is supported on the wheel shaft, the top rod is vertically arranged between the rack and the wheel shaft, and the lifting adjusting assembly is arranged on the top rod so as to adjust the distance between the wheel shaft and the rack along the height direction of the top rod.

Furthermore, the lifting adjusting assembly comprises a first connecting piece, a second connecting piece, an adjusting block and a fastener, the first connecting piece is fixed at the lower end of the ejector rod, the second connecting piece is fixed on the wheel shaft, the adjusting block is installed between the first connecting piece and the second connecting piece, and the first connecting piece, the second connecting piece and the adjusting block are detachably connected through the fastener.

Further, the fastener comprises a bolt and a nut, and the bolt penetrates through the first connecting piece, the second connecting piece and the adjusting block and is in threaded connection with the nut.

Furthermore, a double-hole seat corresponding to the ejector rod is formed on the rack, two holes communicated with each other are formed in the double-hole seat, the upper end of the ejector rod penetrates through one of the holes of the double-hole seat, and the ejector rod is tightly ejected by a screw rod screwed on the peripheral wall of the double-hole seat.

Further, the lifting adjusting assembly comprises a sleeve and adjusting pads, the lower end of the sleeve is vertically connected to the wheel shaft, the lower end of the ejector rod penetrates through the sleeve in an axially sliding mode, a placement opening is formed in the position, close to the wheel shaft, of the peripheral wall of the sleeve, the adjusting pads are placed into the sleeve through the placement opening and located between the lower end of the ejector rod and the wheel shaft, and the adjusting pads are detachably connected through fasteners.

Furthermore, the placing opening extends along the axial direction of the sleeve, the width of the placing opening is larger than the thickness of the adjusting pad, the adjusting pad comprises a circular portion matched with the inner hole of the sleeve and a handle portion integrally connected to the circular portion, the circular portion is arranged in the sleeve and located between the lower end of the ejector rod and the wheel shaft, and the handle portion extends out of the sleeve through the placing opening.

Further, lift adjustment subassembly includes sliding sleeve and regulating block, and the sliding sleeve vertical fixation is in the frame, and the sliding sleeve runs through the frame upper and lower surface, and in the ejector pin wore to locate the sliding sleeve, the regulation mouth has been seted up to sliding sleeve upper end perisporium, and the regulating block is put into in the sliding sleeve through the regulation mouth and is located between the end wall of ejector pin upper end and sliding sleeve, and a plurality of regulating blocks pass through the fastener can dismantle the connection.

Furthermore, the lifting adjusting assembly comprises a guide sleeve and an adjusting screw rod, the guide sleeve vertically penetrates through and is fixed on the rack, the ejector rod penetrates through the guide sleeve in a lifting and sliding manner, and the adjusting screw rod is in threaded connection with the top end of the guide sleeve and abuts against the ejector rod so as to adjust the position of the ejector rod along the axial direction of the guide sleeve.

Further, lift adjustment subassembly includes adapter sleeve, roof, ladder regulating block and bolt, and the adapter sleeve vertical fixation just runs through the frame in the frame, and in the adapter sleeve was worn to locate with the ejector pin liftable sliding, roof one end was fixed in the top of adapter sleeve, and there is the ladder regulating block other end lower surface through the bolt connection, and the jack has been seted up at adapter sleeve top portion to supply the ladder regulating block to insert the high position of adjusting the ejector pin between ejector pin and the roof.

The utility model provides a grinding device which comprises the walking wheel height adjusting mechanism, wherein the grinding device is a water mill, the water mill comprises a motor, a vertical shaft, a torsion disc, a connecting disc and a grinding disc, the motor is fixed on a rack, a shaft extension of the motor vertically extends downwards, a connecting hole is formed in the vertical shaft, the shaft extension is fixedly connected in the connecting hole of the vertical shaft, the torsion disc is arranged on the vertical shaft, the grinding disc is fixed below the torsion disc through the connecting disc, and the connecting disc is positioned between the torsion disc and the grinding disc.

The utility model has the beneficial effects that:

according to the travelling wheel height adjusting mechanism, the ejector rod is vertically arranged between the rack and the wheel shaft of the travelling wheel, the original inclined stress of the ejector rod is changed into the vertical stress, the ejector rod is suitable for the high-speed running working condition of the polishing equipment, the gravity of the rack directly acts on the wheel shaft of the travelling wheel through the ejector rod, the abrasion and deformation of the lifting adjusting component can be reduced, and the service life of the lifting adjusting component is prolonged.

Preferred embodiments of the present invention and advantageous effects thereof will be described in further detail with reference to specific embodiments.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings, there is shown in the drawings,

FIG. 1 is a schematic structural diagram of a height adjusting mechanism for a travelling wheel of a conventional water mill;

fig. 2 is a schematic structural view of a first embodiment of the road wheel height adjusting mechanism of the utility model;

fig. 3 is a schematic top view of a first embodiment of a road wheel height adjustment mechanism of the present invention;

fig. 4 is a schematic top view of a part of the structure of the height adjusting mechanism of the road wheel of the first embodiment of the utility model;

fig. 5 is a cross-sectional view schematically showing a partial structure of the first embodiment of the road wheel height adjusting mechanism of the present invention;

fig. 6 is a front view of an adjustment block of a first embodiment of a road wheel height adjustment mechanism of the present invention;

fig. 7 is a schematic structural view of a second embodiment of the road wheel height adjustment mechanism of the utility model;

fig. 8 is a schematic structural view of a third embodiment of the road wheel height adjustment mechanism of the utility model;

fig. 9 is a cross-sectional view schematically showing a partial structure of a third embodiment of a road wheel height adjusting mechanism of the present invention;

fig. 10 is a schematic front view of an adjusting pad of a third embodiment of the road wheel height adjusting mechanism of the present invention;

fig. 11 is a schematic structural view of a fourth embodiment of the road wheel height adjustment mechanism of the utility model;

fig. 12 is a cross-sectional view schematically showing a partial structure of a fourth embodiment of a road wheel height adjusting mechanism of the present invention;

fig. 13 is a schematic sectional view showing a partial structure of a fifth embodiment of a road wheel height adjusting mechanism of the present invention.

The reference numbers indicate: 1. a frame; 2. a top rod; 3. a traveling wheel; 4. a lift adjustment assembly; 411. a first connecting member; 412. a second connecting member; 413. an adjusting block; 414. a fastener; 111. a double-hole seat; 401. a guide sleeve; 402. adjusting the screw rod; 403. fastening a nut; 404. a lever; 405. a limiting block; 421. a sleeve; 423. a conditioning pad; 424. placing in an inlet; 121. a connecting cylinder; 431. a sliding sleeve; 433. an adjusting block; 434. an adjustment port; 51. a motor; 511. extending a shaft; 52. a vertical shaft; 53. a torsion disc; 54. a connecting disc; 55. a grinding disc; 56. a water tank; 57. a water inlet pipe; 58. a water retaining ring; 59. a water discharge hole; 7. a pushing handle; 8. a balancing weight; 9. a wheel axle; 441. connecting sleeves; 442. a top plate; 443. a step adjusting block; 444. a bolt; 440. and (4) inserting the jack.

Detailed Description

The following detailed description of embodiments of the utility model refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.

Example one

Referring to fig. 2 to 6, the utility model provides a travelling wheel height adjusting mechanism, which comprises a frame 1, a top rod 2, a travelling wheel 3, a wheel shaft 9 and a lifting adjusting assembly 4, wherein the travelling wheel 3 is rotatably mounted on the frame 1 through the wheel shaft 9, the upper end of the top rod 2 is connected to the frame 1, the lower end of the top rod 2 is supported on the wheel shaft 9, the frame 1 and the wheel shaft 9 are arranged in parallel, the top rod 2 is vertically arranged between the frame 1 and the wheel shaft 9, and the lifting adjusting assembly 4 is arranged on the top rod 2 to adjust the distance between the wheel shaft 9 and the frame 1 along the height direction of the top rod 2.

According to the travelling wheel height adjusting mechanism, the ejector rod 2 is vertically arranged between the rack 1 and the wheel shaft 9, the original inclined stress of the ejector rod 2 is changed into the vertical stress, the vertical stress is suitable for the high-speed running working condition of the polishing equipment, the gravity of the rack 1 directly acts on the wheel shaft 9 through the ejector rod 2, the abrasion and deformation of the lifting adjusting component 4 can be reduced, and the service life of the lifting adjusting component is prolonged.

In this embodiment, the lifting adjusting assembly 4 includes a first connecting member 411, a second connecting member 412, an adjusting block 413 and a fastening member 414, the first connecting member 411 is fixed at the lower end of the top rod 2, the second connecting member 412 is fixed on the axle 9, the adjusting block 413 is installed between the first connecting member 411 and the second connecting member 412, the first connecting member 411, the second connecting member 412 and the adjusting block 413 are detachably connected by the fastening member 414, and the distance between the travelling wheel 3 and the frame 1 is adjusted by the adjusting blocks 413 or the number of the adjusting blocks 413 with different thicknesses, so as to adjust the height of the travelling wheel 3. The height of the travelling wheel 3 is adjusted by matching the first connecting piece 411, the second connecting piece 412, the adjusting block 413 and the fastener 414, so that the lifting adjusting assembly 4 is simple in structure and can improve the wear-resisting strength. Specifically, the first connecting member 411 and the second connecting member 412 may be of a plate structure and fixedly connected by welding. Alternatively, the fastening member 414 includes a bolt and a nut, and the bolt passes through the first connecting member 411, the second connecting member 412 and the adjusting block 413 and is threadedly coupled with the nut. Preferably, the end face of the bolt is flush with the end face of the nut, so that the problem that the bolt cannot be screwed after being exposed and corroded by silicate is avoided.

In this embodiment, a double-hole seat 111 corresponding to the position of the ejector rod 2 is formed on the frame 1, two holes communicated with each other are formed on the double-hole seat 111, the double-hole seat is shaped like an "8", the upper end of the ejector rod 2 penetrates through one of the holes of the double-hole seat 111, and the ejector rod 2 is tightly pushed by a screw bolt screwed to the peripheral wall of the double-hole seat 111. The design structure is simple, the dismounting is convenient, and the stability of the ejector rod 2 fixed with the frame 1 can be ensured. Preferably, one end of the frame 1 close to the dual-hole seat 111 is triangular to simplify the structure and reduce the weight.

In this embodiment, walking wheel 3 is provided with two, is close to the both sides of frame 1 respectively and arranges, and ejector pin 2 parallel arrangement has two, and two ejector pins 2 are connected perpendicularly on shaft 9 and are located between two walking wheels 3. Therefore, the ejector rod 2 is convenient to be respectively installed and fixed with the frame 1 and the wheel shaft 9.

Example two

Referring to fig. 7, the present invention provides a height adjustment mechanism for a road wheel, which includes a frame 1, a top rod 2, a road wheel 3, a wheel axle 9 and a lifting adjustment assembly 4, wherein the top end of the top rod 2 is connected to the frame 1, the bottom end of the top rod 2 is supported on the wheel axle 9, the frame 1 is arranged in parallel with the wheel axle 9, the top rod 2 is vertically arranged between the frame 1 and the wheel axle 9, and the lifting adjustment assembly 4 is arranged on the top rod 2 to adjust the distance between the wheel axle 9 and the frame 1 along the height direction of the top rod 2.

According to the travelling wheel height adjusting mechanism, the ejector rod 2 is vertically arranged between the rack 1 and the wheel shaft 9, the original inclined stress of the ejector rod 2 is changed into the vertical stress, the vertical stress is suitable for the high-speed running working condition of the polishing equipment, the gravity of the rack 1 directly acts on the wheel shaft 9 through the ejector rod 2, the abrasion and deformation of the lifting adjusting component 4 can be reduced, and the service life of the lifting adjusting component is prolonged.

In this embodiment, the lifting adjusting assembly 4 includes a guide sleeve 401 and an adjusting screw 402, the guide sleeve 401 vertically penetrates and is fixed on the frame 1, the ejector rod 2 is inserted into the guide sleeve 401 in a lifting and sliding manner, and the adjusting screw 402 is screwed on the top end of the guide sleeve 401 and abuts against the ejector rod 2 so as to axially adjust the position of the ejector rod 2 along the guide sleeve 401. Therefore, the adjusting screw 402 is adopted above the frame 1 to adjust the position of the mandril 2 more conveniently and reliably. Preferably, a fastening nut 403 is fixed at the top end of the guide sleeve 401, and the adjusting screw 402 is screwed to the fastening nut 403. Further, the inner peripheral wall of the distal end of the guide sleeve 401 may be provided with female threads to be screwed with the adjustment screw 402. To facilitate the turning of the adjustment screw 402, a lever 404 is hinged to the adjustment screw 402. Preferably, the top end of the guide sleeve 401 is connected with a limit block 405, and the limit block 405 contacts with the end of the adjusting screw 402 to limit the adjusting screw 402 from excessively swinging downwards.

EXAMPLE III

Referring to fig. 8 to 10, the present invention provides a height adjustment mechanism for a traveling wheel, which includes a frame 1, a top rod 2, a traveling wheel 3, a wheel axle 9 and a lifting adjustment assembly 4, wherein the top end of the top rod 2 is connected to the frame 1, the bottom end of the top rod 2 is supported on the wheel axle 9, the frame 1 is arranged in parallel with the wheel axle 9, the top rod 2 is vertically arranged between the frame 1 and the wheel axle 9, and the lifting adjustment assembly 4 is arranged on the top rod 2 to adjust the distance between the wheel axle 9 and the frame 1 along the height direction of the top rod 2.

According to the travelling wheel height adjusting mechanism, the ejector rod 2 is vertically arranged between the rack 1 and the wheel shaft 9, the original inclined stress of the ejector rod 2 is changed into the vertical stress, the vertical stress is suitable for the high-speed running working condition of the polishing equipment, the gravity of the rack 1 directly acts on the wheel shaft 9 through the ejector rod 2, the abrasion and deformation of the lifting adjusting component 4 can be reduced, and the service life of the lifting adjusting component is prolonged.

In this embodiment, the lifting adjusting assembly 4 includes a sleeve 421 and adjusting pads 423, the lower end of the sleeve 421 is vertically and fixedly connected to the axle 9, the lower end of the push rod 2 is axially and slidably inserted into the sleeve 421, an insertion opening 424 is formed in a position of the circumferential wall of the sleeve 421, the position is close to the axle 9, the adjusting pads 423 are inserted into the sleeve 421 through the insertion opening 424 and are located between the lower end of the push rod 2 and the axle 9, and the adjusting pads 423 are detachably connected through fasteners (bolts or screws). The distance between the walking wheels 3 and the frame 1 is adjusted through adjusting pads 423 with different thicknesses or the number of the adjusting pads 423, so that the height of the walking wheels 3 is adjusted. The lower end of the push rod 2 is arranged in the sleeve 421 vertically connected to the wheel shaft 9 in a penetrating way, the load of the push rod 2 directly acts on the wheel shaft 9 through the adjusting pad 423, the inner wall of the sleeve 421 cannot be extruded and deformed, and the abrasion between the push rod 2 and the sleeve 421 can be reduced. In order to facilitate the adjustment pad 423 to be plugged in through the inlet 424, the inlet 424 extends axially along the sleeve 421, the width of the inlet 424 is larger than the thickness of the adjustment pad 423, the adjustment pad 423 includes a circular portion adapted to the inner hole of the sleeve 421 and a handle portion integrally connected to the circular portion, the circular portion is inserted through the inlet 424 through the handle portion and horizontally placed in the sleeve 421 between the lower end of the push rod 2 and the axle 9, and the handle portion extends out of the sleeve 421 through the inlet 424, so that the adjustment pad 423 can be conveniently taken out through the handle portion. The handle part is provided with a through hole so as to be convenient for passing through the fastener for fixing.

In this embodiment, the connecting cylinder 121 is installed on the frame 1, a threaded hole is formed in the connecting cylinder 121, and the upper end of the ejector rod 2 is screwed in the threaded hole so as to detachably install the upper end of the ejector rod 2 on the frame 1 through the connecting cylinder 121.

In this embodiment, the walking wheel 3 is provided with two, is close to the both sides of frame 1 respectively and arranges, and ejector pin 2 parallel arrangement has two, and connecting cylinder 121 is equipped with two, and each ejector pin 2 wears to locate in the connecting cylinder 121 that corresponds, and two connecting cylinders 121 connect perpendicularly on shaft 9 and lie in between two walking wheels 3. Therefore, the push rod 2 is conveniently and fixedly arranged with the frame 1 and the wheel shaft 9 through the connecting cylinder 121. The two holes in the shape of the '8' are convenient for adjusting the position of the mandril 2.

Example four

Referring to fig. 11 and 12, the utility model provides a height adjusting mechanism for a traveling wheel, which includes a frame 1, a top rod 2, a traveling wheel 3, a wheel shaft 9 and a lifting adjusting assembly 4, wherein the top end of the top rod 2 is connected to the frame 1, the lower end of the top rod 2 is supported on the wheel shaft 9, the frame 1 is arranged in parallel with the wheel shaft 9, the top rod 2 is vertically arranged between the frame 1 and the wheel shaft 9, and the lifting adjusting assembly 4 is arranged on the top rod 2 to adjust the distance between the wheel shaft 9 and the frame 1 along the height direction of the top rod 2.

According to the travelling wheel height adjusting mechanism, the ejector rod 2 is vertically arranged between the rack 1 and the wheel shaft 9, the original inclined stress of the ejector rod 2 is changed into the vertical stress, the vertical stress is suitable for the high-speed running working condition of the polishing equipment, the gravity of the rack 1 directly acts on the wheel shaft 9 through the ejector rod 2, the abrasion and deformation of the lifting adjusting component 4 can be reduced, and the service life of the lifting adjusting component is prolonged.

In this embodiment, the lifting adjusting assembly 4 includes a sliding sleeve 431 and an adjusting block 433, the sliding sleeve 431 is vertically fixed on the rack 1, the sliding sleeve 431 penetrates through the upper and lower surfaces of the rack 1, the ejector rod 2 penetrates through the sliding sleeve 431, an adjusting opening 434 is formed in the peripheral wall of the upper end of the sliding sleeve 431, the adjusting block 433 is placed in the sliding sleeve 431 through the adjusting opening 434 and is located between the upper end of the ejector rod 2 and the end wall of the sliding sleeve 431, and the adjusting blocks 433 are detachably connected through a fastener. The distance between the walking wheels 3 and the frame 1 is adjusted through the adjusting blocks 433 with different thicknesses or the number of the adjusting blocks 433, so that the height of the walking wheels 3 is adjusted. The ejector rod 2 penetrates through the sliding sleeve 431 vertically connected to the rack 1, the load of the ejector rod 2 directly acts on the wheel shaft 9 through the adjusting block 433, extrusion deformation of the inner wall of the sliding sleeve 431 cannot be caused, and abrasion between the ejector rod 2 and the sliding sleeve 431 can be reduced.

In this embodiment, in order to facilitate inserting regulating block 433 through regulating port 434, regulating port 434 extends along sliding sleeve 431 axial, regulating port 434's width is greater than regulating block 433's thickness, regulating block 433 includes the circular portion and the handle portion of an organic whole connection in the circular portion with sliding sleeve 431 hole looks adaptation, pass regulating port 434 and level place the circular portion between the upper end that lies in ejector pin 2 and the end wall of sliding sleeve 431 in sliding sleeve 431 through handheld handle portion, handle portion stretches out outside sliding sleeve 431 through regulating port 434 to it takes out regulating block 433 to be convenient for handheld handle portion. The handle portion extends out of the sliding sleeve 431 through the adjusting opening 434, so that the adjusting block 433 can be conveniently taken out by holding the handle portion by hand. The handle part is provided with a through hole so as to be convenient for passing through the fastener to be fixed.

In this embodiment, walking wheel 3 is provided with two, and rotatable the installing is just close to the both sides of frame 1 in the both ends of shaft 9 respectively and arranges, and ejector pin 2 parallel arrangement has two, and sliding sleeve 431 is equipped with two, and each ejector pin 2 wears to locate in the sliding sleeve 431 that corresponds, and two ejector pins 2 connect perpendicularly on shaft 9 and lie in between two walking wheels 3. Thus, the top rod 2 is conveniently installed and fixed with the frame 1 and the wheel shaft 9 through the sliding sleeve 431.

EXAMPLE five

Referring to fig. 13, the present invention provides a height adjustment mechanism for a walking wheel, which includes a frame 1, a top rod 2, a walking wheel 3, a wheel shaft 9 and a lifting adjustment assembly 4, wherein the walking wheel 3 is rotatably mounted on the frame 1 through the wheel shaft 9, the top end of the top rod 2 is connected to the frame 1, the bottom end of the top rod 2 is supported on the wheel shaft 9, the frame 1 and the wheel shaft 9 are arranged in parallel, the top rod 2 is vertically arranged between the frame 1 and the wheel shaft 9, and the lifting adjustment assembly 4 is disposed on the top rod 2 to adjust the distance between the wheel shaft 9 and the frame 1 along the height direction of the top rod 2.

According to the travelling wheel height adjusting mechanism, the ejector rod 2 is vertically arranged between the rack 1 and the wheel shaft 9, the original inclined stress of the ejector rod 2 is changed into the vertical stress, the vertical stress is suitable for the high-speed running working condition of the polishing equipment, the gravity of the rack 1 directly acts on the wheel shaft 9 through the ejector rod 2, the abrasion and deformation of the lifting adjusting component 4 can be reduced, and the service life of the lifting adjusting component is prolonged.

In this embodiment, the lifting adjustment assembly 4 includes a connection sleeve 441, a top plate 442, a step adjustment block 443, and a plug 444. The connecting sleeve 441 is vertically fixed on the frame 1 and penetrates through the frame 1, the ejector rod 2 is inserted into the connecting sleeve 441 in a liftable and slidable manner, one end of the top plate 442 is fixed at the top end of the connecting sleeve 441, the lower surface of the other end of the top plate is connected with a step adjusting block 443 through a plug pin 444, and the top end portion of the connecting sleeve 441 is provided with an insertion hole 440 corresponding to the step adjusting block 443 so that the step adjusting block 443 is inserted between the ejector rod 2 and the top plate 442 to adjust the height position of the ejector rod 2. The step adjustment block 443 includes at least two integrated blocks with different thicknesses, and the height position of the lift pin 2 is adjusted by inserting plate bodies with different thicknesses.

EXAMPLE six

The utility model also provides a grinding device applying the height adjusting mechanism for any one of the first set to the fifth set of the travelling wheels, and the grinding device can be a water mill or a polishing machine. The following description will be made by taking the water mill and example one as an example.

Referring to fig. 2, the water mill includes a motor 51, a vertical shaft 52, a torsion plate 53, a connection plate 54 and a grinding disc 55, the motor 51 is fixed on the frame 1, a shaft extension 511 of the motor 51 extends vertically downward, the shaft extension 511 is fixedly connected in a connection hole of the vertical shaft 52, the torsion plate 53 is mounted on the vertical shaft 52, the grinding disc 55 is fixed below the torsion plate 53 through the connection plate 54, and the connection plate 54 is located between the torsion plate 53 and the grinding disc 55. The grinding disc 55 is driven by the motor 51 to rotate, and the lower surface of the grinding disc 55 is in contact with the ground to realize grinding.

In this embodiment, the shaft extension 511 of the motor 51 and the grinding disc 55 are located on the same axial line, in other embodiments, the shaft extension 511 of the motor 51 and the grinding disc 55 may be arranged at intervals, the motor 51 is vertically fixed on the frame 1, the shaft extension 511 of the motor 51 vertically extends downwards and is provided with a driving wheel, the frame 1 is rotatably connected with a transmission shaft, the transmission shaft and the shaft extension 511 of the motor 51 are arranged at intervals in parallel, a transmission wheel is fixed on the transmission shaft, a transmission belt is wound around the driving wheel and the transmission wheel, and the grinding disc 55 is fixed at the lower end of the transmission shaft.

The water mill is provided with the walking wheel height adjusting mechanism, so that the height of the walking wheel is adjusted, and the height of the grinding disc 55 is adjusted.

The water mill comprises a water tank 56, a water inlet pipe 57 and a water retaining ring 58, wherein the water tank 56 is installed on the frame 1, the water retaining ring 58 is installed on the upper surface of the grinding disc 55, the water inlet pipe 57 is connected between the water tank 56 and the water retaining ring 58 to supply water into the water retaining ring 58, and a water discharge hole 59 is formed in the water retaining ring 58 on the grinding disc 55 to allow water in the water retaining ring 58 to flow out. In this way, the grinding disc 55 may be cooled and the effect of dust reduced, increasing the life of the grinding disc 55 and reducing environmental pollution.

In this embodiment, a pushing handle 7 is fixed on the frame 1, the pushing handle 7 and the grinding disc 55 are oppositely arranged at two ends of the frame 1, and the water mill is pushed to move by the pushing handle 7. The frame 1 is provided with a balancing weight 8 near the push handle 7, so that the grinding disc 55 keeps dynamic balance when rotating at high speed and reduces vibration. In addition, the weight block 8 can also be arranged at the handheld end of the top of the push handle 7. The frame 1 is a box-shaped structure, and one end of the box-shaped structure, which is close to the push handle 7, is formed into a triangular tail end (shown in figure 3), so that the structure can be simplified, a plurality of parts are omitted, and the manufacturing cost is reduced.

In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying importance; the words "bottom" and "top", "inner" and "outer" refer to directions toward and away from, respectively, a particular component geometry.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the communication may be direct, indirect via an intermediate medium, or internal to both elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a walking wheel height control mechanism, a serial communication port, including frame (1), ejector pin (2), walking wheel (3), shaft (9) and lift adjustment subassembly (4), walking wheel (3) rotatably install in frame (1) through shaft (9), the upper end of ejector pin (2) is connected on frame (1), the lower extreme of ejector pin (2) supports on shaft (9), ejector pin (2) arrange perpendicularly between frame (1) and shaft (9), be equipped with lift adjustment subassembly (4) on ejector pin (2), with the interval of following ejector pin (2) direction of height adjustment shaft (9) and frame (1).

2. The height adjustment mechanism for the travelling wheels of claim 1, wherein the lifting adjustment assembly (4) comprises a first connecting piece (411), a second connecting piece (412), an adjustment block (413) and a fastener (414), the first connecting piece (411) is fixed at the lower end of the ejector rod (2), the second connecting piece (412) is fixed on the wheel shaft (9), the adjustment block (413) is installed between the first connecting piece (411) and the second connecting piece (412), and the first connecting piece (411), the second connecting piece (412) and the adjustment block (413) are detachably connected through the fastener (414).

3. The road wheel height adjustment mechanism of claim 2, wherein the fastener (414) comprises a bolt and a nut, and the bolt passes through the first connector (411), the second connector (412) and the adjusting block (413) and is in threaded connection with the nut.

4. The travelling wheel height adjusting mechanism according to claim 1, characterized in that a double-hole seat (111) corresponding to the position of the ejector rod (2) is formed on the frame (1), two holes communicated with each other are formed on the double-hole seat (111), the upper end of the ejector rod (2) penetrates through one of the holes of the double-hole seat (111), and the ejector rod (2) is tightly pressed by a screw bolt screwed on the peripheral wall of the double-hole seat (111).

5. The walking wheel height adjusting mechanism of claim 1, wherein the lifting adjusting assembly (4) comprises a sleeve (421) and adjusting pads (423), the lower end of the sleeve (421) is vertically connected to the axle (9), the lower end of the ejector rod (2) is axially slidably arranged in the sleeve (421), an inlet (424) is formed in the peripheral wall of the sleeve (421) and close to the axle (9), the adjusting pads (423) are arranged in the sleeve (421) through the inlet (424) and are located between the lower end of the ejector rod (2) and the axle (9), and the adjusting pads (423) are detachably connected through fasteners.

6. The road wheel height adjusting mechanism of claim 5, wherein the inlet (424) extends axially along the sleeve (421), the width of the inlet (424) is larger than the thickness of the adjusting pad (423), the adjusting pad (423) comprises a circular part matched with the inner hole of the sleeve (421) and a handle part integrally connected with the circular part, the circular part is arranged in the sleeve (421) and is positioned between the lower end of the push rod (2) and the wheel shaft (9), and the handle part extends out of the sleeve (421) through the inlet (424).

7. The height adjusting mechanism for the travelling wheels according to claim 1, wherein the lifting adjusting assembly (4) comprises a sliding sleeve (431) and adjusting blocks (433), the sliding sleeve (431) is vertically fixed on the frame (1), the sliding sleeve (431) penetrates through the upper surface and the lower surface of the frame (1), the ejector rod (2) is arranged in the sliding sleeve (431) in a penetrating manner, an adjusting opening (434) is formed in the peripheral wall of the upper end of the sliding sleeve (431), the adjusting blocks (433) are arranged in the sliding sleeve (431) through the adjusting opening (434) and located between the upper end of the ejector rod (2) and the end wall of the sliding sleeve (431), and the adjusting blocks (433) are detachably connected through fasteners.

8. The walking wheel height adjusting mechanism of claim 1, wherein the lifting adjusting component (4) comprises a guide sleeve (401) and an adjusting screw rod (402), the guide sleeve (401) vertically penetrates through and is fixed on the frame (1), the ejector rod (2) is arranged in the guide sleeve (401) in a penetrating manner in a lifting and sliding manner, and the adjusting screw rod (402) is screwed on the top end of the guide sleeve (401) and abuts against the ejector rod (2) so as to adjust the position of the ejector rod (2) along the axial direction of the guide sleeve (401).

9. The height adjusting mechanism for the traveling wheels as claimed in claim 1, wherein the lifting adjusting component (4) comprises a connecting sleeve (441), a top plate (442), a step adjusting block (443) and a plug pin (444), the connecting sleeve (441) is vertically fixed on the frame (1) and penetrates through the frame (1), the ejector rod (2) is inserted into the connecting sleeve (441) in a lifting and sliding manner, one end of the top plate (442) is fixed at the top end of the connecting sleeve (441), the lower surface of the other end of the top plate is connected with the step adjusting block (443) through the plug pin (444), and the top end of the connecting sleeve (441) is provided with the plug hole (440) so that the step adjusting block (443) can be inserted between the ejector rod (2) and the top plate (442) to adjust the height position of the ejector rod (2).

10. A grinding device, characterized by comprising the height adjusting mechanism for the road wheels according to any one of claims 1-8, wherein the grinding device is a water mill, the water mill comprises a motor (51), a vertical shaft (52), a torsion disc (53), a connecting disc (54) and a grinding disc (55), the motor (51) is fixed on a frame (1), an axial extension (511) of the motor (51) extends downwards vertically, a connecting hole is formed in the vertical shaft (52), the axial extension (511) is fixedly connected in the connecting hole of the vertical shaft (52), the torsion disc (53) is installed on the vertical shaft (52), the grinding disc (55) is fixed below the torsion disc (53) through the connecting disc (54), and the connecting disc (54) is positioned between the torsion disc (53) and the grinding disc (55).

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