CN212605523U - Riding wheel with seat in middle - Google Patents

Abstract

The utility model discloses a riding wheel of middle zone seat, including the mount, the top of mount has the wheel body through the screw joint, the middle part of wheel body alternates and is connected with the bull stick, the equal fixedly connected with connecting rod in both sides of the bottom of mount, two equal threaded connection has a threaded rod, two in the connecting rod the equal fixedly connected with pinion in bottom of threaded rod, two the downside of pinion all rotates and is connected with the mounting panel, the upside of mounting panel is rotated and is connected with the gear wheel, gear wheel and two pinion intermeshing, the rectangle frame has been seted up with the junction of wheel body to the both sides of mount, fixedly connected with damper between the bottom of sliding plate and the bottom of rectangle frame. The utility model discloses, rational in infrastructure, through the removal that pinion synchronous rotation realized the wheel body, can avoid the wheel body atress inhomogeneous damage that leads to, through setting up damper, can realize tertiary shock attenuation, make the shock attenuation effect better.

Description

Riding wheel with seat in middle

Technical Field

The utility model relates to a riding wheel technical field especially relates to a riding wheel of middle zone seat.

Background

The prior art discloses a riding wheel with a middle belt seat, which is provided with application number CN201821304178.5, and comprises a fixed frame, wherein the top of the fixed frame is clamped with a wheel body through a screw, the two sides of the bottom end of the fixed frame are fixedly connected with the top end of a connecting rod, the bottom end of the connecting rod is provided with a threaded hole, the bottom end of the connecting rod is in threaded connection with the top end of a threaded rod through the threaded hole, and the top end of the threaded rod is in threaded connection with an adjusting nut; the connecting rod, the threaded hole, the threaded rod, the adjusting nut and the rolling bearing are arranged to adjust the heights of the fixing frame and the wheel body, so that the tension degree of the crawler belt can be adjusted conveniently, and the working efficiency of the excavator is improved; the rectangular channel, baffle, damping spring that are equipped with can cushion the shock attenuation to the vibrations that the wheel body received, reduce the wearing and tearing of riding wheel, prolong the life of riding wheel.

In the patent, the connecting rod, the threaded hole, the threaded rod, the adjusting nut and the rolling bearing are arranged to adjust the heights of the fixing frame and the wheel body, so that the tension degree of the track is convenient to adjust, the working efficiency of the excavator is improved, the rectangular groove, the baffle plate and the damping spring are arranged to buffer and damp the vibration received by the wheel body, the abrasion of the riding wheel is reduced, and the service life of the riding wheel is prolonged; the above-mentioned patent weak point lies in, adjusts the height that the high in-process of mount and wheel body can not the synchronous adjustment mount and wheel body, can not ensure mount and wheel body level, and the atress is inhomogeneous during the use, leads to the riding wheel to damage to only accomplish the shock attenuation to the excavator through a damping spring, the shock attenuation effect is unsatisfactory, makes the riding wheel wearing and tearing easily, shortens riding wheel life.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the riding wheel of middle belt seat that proposes, it realizes the removal of wheel body through pinion synchronous rotation, can avoid the inhomogeneous damage that leads to of wheel body atress, through setting up damper, can realize tertiary shock attenuation, makes the shock attenuation effect better.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a riding wheel with a seat in the middle comprises a fixed frame, wherein the top of the fixed frame is clamped with a wheel body through screws, the middle part of the wheel body is alternately connected with a rotating rod, two sides of the bottom end are fixedly connected with connecting rods, two connecting rods are internally and fixedly connected with threaded rods, the bottoms of the two threaded rods are fixedly connected with pinions, the lower sides of the two pinions are rotatably connected with a mounting plate, the upper side of the mounting plate is rotatably connected with a gearwheel, the gearwheel is mutually meshed with the two pinions, the center of the upper side of the gearwheel is fixedly connected with the rotating rod, the top of the rotating rod is fixedly connected with a handle, the tops of two ends of the mounting plate are in threaded connection with fastening screws, a rectangular frame is arranged at the joint of two sides of the fixed frame and the wheel body, a sliding plate is slidably connected inside the, and a damping mechanism is fixedly connected between the bottom of the sliding plate and the bottom of the rectangular frame.

Preferably, the damping mechanism includes a hollow rod fixedly connected with the bottom of the rectangular frame, a sliding block is slidably connected in the hollow rod, a telescopic rod is fixedly connected to the upper end of the sliding block, the top of the telescopic rod is fixedly connected with the bottom of the sliding plate, a plurality of through grooves are formed in the sliding block in a penetrating mode, a first spring is arranged between the bottom of the sliding plate and the hollow rod, two ends of the first spring are fixedly connected with the bottom of the sliding plate and the hollow rod respectively, and a second spring is fixedly connected with the bottom of the rectangular frame.

Preferably, the second spring is separated from the sliding plate.

Preferably, the inner wall of the connecting rod and the outer wall of the threaded rod are respectively provided with matched inner threads and outer threads.

Preferably, the both ends of mounting panel all are equipped with the screw thread through-hole, just be equipped with the internal thread in the screw thread through-hole, fastening screw's surface is equipped with the external screw thread, internal thread and external screw thread phase-match.

Preferably, the surface of the wheel body is coated with a layer of antirust paint.

Compared with the prior art, the utility model, its beneficial effect does:

1. the rotary rod, the large gear and the small gear are driven to synchronously rotate by rotating the handle, so that the wheel body is kept to horizontally move, the stress of the riding wheel is uniform when the riding wheel is used, and the damage is avoided.

When the wheel body is vibrated to descend and extrude the sliding plate, the sliding plate slides downwards to compress the first spring to buffer vibration for the first time; meanwhile, the telescopic rod is driven to move downwards, the sliding block and the hollow rod are driven to move downwards, air is discharged through the through groove to achieve the effect of empty damping, and vibration is buffered for the second time; when the sliding plate continues to descend until the sliding plate is in contact with the second spring, a third shock absorption is formed.

To sum up, through the removal that pinion synchronous rotation realized the wheel body, can avoid the wheel body atress inhomogeneous to lead to damaging, through setting up damper, can realize tertiary shock attenuation, make the shock attenuation effect better.

Drawings

Fig. 1 is a cross-sectional view of a riding wheel with a seat in the middle of the utility model;

fig. 2 is a cross-sectional view of a rectangular frame of a riding wheel with a seat in the middle of the utility model.

In the figure: the spring comprises a fixed frame 1, a wheel body 2, a rotating rod 3, a connecting rod 4, a threaded rod 5, a pinion 6, a bull gear 7, a rotating rod 8, a handle 9, a mounting plate 10, a fastening screw 11, a rectangular frame 12, a sliding plate 13, a telescopic rod 14, a sliding block 15, a through groove 16, a hollow rod 17, a first spring 18 and a second spring 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a riding wheel with a seat in the middle comprises a fixed frame 1, a wheel body 2 is clamped at the top of the fixed frame 1 through screws, a layer of antirust paint is coated on the surface of the wheel body 2 to prevent the wheel body 2 from rusting due to contact with water, the service life of the wheel body 2 is prolonged, a rotating rod 3 is inserted and connected in the middle of the wheel body 2, connecting rods 4 are fixedly connected to both sides of the bottom end of the fixed frame 1, threaded rods 5 are connected to both sides of the bottom end of the fixed frame 1, inner walls of the connecting rods 4 and outer walls of the threaded rods 5 are respectively provided with matched inner threads and outer threads, pinions 6 are fixedly connected to the bottoms of the two threaded rods 5, mounting plates 10 are rotatably connected to the lower sides of the pinions 6, a large gear 7 is rotatably connected to the upper side of the mounting, the top of the rotating rod 8 is fixedly connected with a handle 9. The heights of the fixing frame 1 and the wheel body 2 can be synchronously adjusted by rotating the handle 9, so that the fixing frame 1 and the wheel body 2 are always kept horizontal, and the phenomenon that the supporting wheel is damaged due to uneven stress is avoided.

The both ends top threaded connection of mounting panel 10 has fastening screw 11, through fastening screw 11 with riding wheel integral mounting in the riding wheel installation department of excavator, the both ends of mounting panel 10 all are equipped with the screw thread through-hole, and be equipped with the internal thread in the screw thread through-hole, fastening screw 11's surface is equipped with the external screw thread, internal thread and external screw thread phase-match, rectangle frame 12 has been seted up with the junction of wheel body 2 to the both sides of mount 1, the inside sliding connection of rectangle frame 12 has sliding plate 13, sliding plate 13's top and wheel body 2's bottom fixed connection.

Fixedly connected with damper between the bottom of sliding plate 13 and the bottom of rectangular frame 12, damper includes the cavity pole 17 with the bottom fixed connection of rectangular frame 12, sliding connection has sliding block 15 in cavity pole 17, the upper end fixedly connected with telescopic link 14 of sliding block 15, the top of telescopic link 14 and the bottom fixed connection of sliding plate 13, it is equipped with a plurality of logical grooves 16 to run through on the sliding block 15, be equipped with first spring 18 between the bottom of sliding plate 13 and the cavity pole 17, the both ends of first spring 18 respectively with the bottom and the cavity pole 17 fixed connection of sliding plate 13, the bottom fixedly connected with second spring 19 of rectangular frame 12, second spring 19 is from each other with sliding plate 13, prevent wheel body 2 through damper from causing the wearing and tearing because of vibrations, reduce life problem.

In the utility model, when the riding wheel is installed, the wheel body 2 is clamped in the rectangular frame 12 of the fixed frame 1 and is fixed by screws, then the riding wheel is integrally installed at the riding wheel installation position of the excavator by the installation plate 10, the fastening screw 11 is tightened, the handle 9 is rotated according to the tensioning degree of the crawler belt, the handle 9 drives the rotating rod 8 to rotate, then the large gear 7 is driven to rotate, then the two pinions 6 meshed with the large gear are driven to rotate, then the two threaded rods 5 are driven to rotate, the threaded rods 5 extend into or extend out of the connecting rod 4 by rotation to adjust the height of the fixed frame 1 and the wheel body 2, thereby adjusting the tension degree of the crawler belt, compared with the prior art, the problem that the height of the fixed frame 1 and the wheel body 2 can not be synchronously adjusted in the process of adjusting the height of the fixed frame 1 and the wheel body 2 can not be ensured to be always kept horizontal, resulting in damage to the idler.

When the excavator moves or works, vibration is generated, the vibration is transmitted to the supporting wheel integrally through other parts, the wheel body 2 is lowered by vibration, the sliding plate 13 is extruded, the sliding plate 13 slides downwards in the rectangular frame 12 to compress the first spring 18, the vibration is buffered for the first time, meanwhile, the telescopic rod 14 is driven to move downwards, the telescopic rod 14 drives the sliding block 15 to move downwards, air at the bottom of the hollow rod 17 is discharged through the through groove 16 to achieve the effect of air damping, when the vibration is buffered for the second time, the sliding plate 13 continues to descend until the sliding plate is contacted with the second spring 19 to form third damping, abrasion of the wheel body 2 due to the vibration is prevented, and the service life is prolonged.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides a riding wheel of middle zone seat, includes mount (1), its characterized in that, the top of mount (1) is passed through the screw joint and is had wheel body (2), the middle part of wheel body (2) alternates and is connected with bull stick (3), the equal fixedly connected with connecting rod (4) in both sides of the bottom of mount (1), two equal threaded connection has threaded rod (5) in connecting rod (4), two the equal fixedly connected with pinion (6) in bottom of threaded rod (5), two the downside of pinion (6) all rotates and is connected with mounting panel (10), the upside of mounting panel (10) rotates and is connected with gear wheel (7), gear wheel (7) and two pinion (6) intermeshing, the upside central authorities fixedly connected with dwang (8) of gear wheel (7), the top fixedly connected with handle (9) of dwang (8), the damping mechanism is characterized in that fastening screws (11) are connected to the top portions of the two ends of the mounting plate (10) in a threaded mode, rectangular frames (12) are arranged at the connection positions of the two sides of the fixing frame (1) and the wheel body (2), sliding plates (13) are connected to the inner portions of the rectangular frames (12) in a sliding mode, the tops of the sliding plates (13) are fixedly connected with the bottom of the wheel body (2), and damping mechanisms are fixedly connected between the bottoms of the sliding plates (13) and the bottom of the rectangular frames (12).

2. The idler with the seat as claimed in claim 1, wherein the damping mechanism comprises a hollow rod (17) fixedly connected with the bottom of the rectangular frame (12), a sliding block (15) is slidably connected in the hollow rod (17), an expansion link (14) is fixedly connected with the upper end of the sliding block (15), the top of the expansion link (14) is fixedly connected with the bottom of the sliding plate (13), a plurality of through grooves (16) are formed in the sliding block (15) in a penetrating manner, a first spring (18) is arranged between the bottom of the sliding plate (13) and the hollow rod (17), two ends of the first spring (18) are respectively fixedly connected with the bottom of the sliding plate (13) and the hollow rod (17), and a second spring (19) is fixedly connected with the bottom of the rectangular frame (12).

3. An idler with a seat as claimed in claim 2 wherein said second spring (19) is spaced from said slide plate (13).

4. The idler with a middle seat as claimed in claim 1, wherein the inner wall of the connecting rod (4) and the outer wall of the threaded rod (5) are respectively provided with matched inner thread and outer thread.

5. The riding wheel with a middle base as claimed in claim 1, wherein the two ends of the mounting plate (10) are provided with threaded through holes, and the threaded through holes are internally provided with internal threads, the surface of the fastening screw (11) is provided with external threads, and the internal threads are matched with the external threads.

6. An idler with a middle seat as claimed in claim 1, wherein the surface of the idler body (2) is coated with a layer of rust-proof paint.

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