Multi-working-condition self-adaptive thrust wheel structure

Abstract

The utility model discloses a multi-working-condition self-adaptive thrust wheel structure which comprises a thrust wheel shaft, two cover plates are arranged outside the thrust wheel shaft in a sleeved mode, the two cover plates and the thrust wheel shaft are respectively provided with a cylindrical pin, adaptive assemblies are arranged outside the two cover plates, and each adaptive assembly comprises an extension pipe arranged at the top of the corresponding cover plate. The inner wall of the bottom of the extension pipe is fixedly connected with two dampers, the extension pipe is sleeved with a sliding sleeve, the two dampers are both sleeved with a spring, one ends of the tops of the two springs are fixedly connected with the same connecting plate, and the top of the sliding sleeve is slidably connected with a bolt in an inserted mode. The thrust wheels have the dynamic load distribution capacity, the stress state of each wheel can be sensed and balanced in real time, the risk of track shoe deformation or ground collapse caused by local overload is effectively avoided, and therefore the track vehicle is endowed with excellent working condition adaptability.

Description

TECHNICAL FIELD

[0001] The utility model relates to engineering machinery technical field, concretely is multi -condition self -adaptation supporting wheel structure. BACKGROUND

[0002] As tracked mechanical equipment, such as excavator, bulldozer, tank and the like, supporting wheel is the key bearing and transmission component of these equipment, and its performance directly affects the running stability, passability and service life of the equipment.

[0003] Through the retrieval, the utility model of patent announcement number CN217753922U discloses a supporting wheel structure. The supporting wheel structure includes a track and a wheel body. Both sides of the wheel body are connected with wheel rims. The diameter of the wheel rim is larger than that of the wheel body. The side of the wheel rim away from the wheel body is connected with a wheel shaft. The side of the wheel rim close to the wheel body has a circular cone part. The diameter of the bottom surface of the circular cone part is the same as that of the wheel rim. The diameter of the top surface of the circular cone part is larger than that of the wheel body.

[0004] As the above supporting wheel, the traditional supporting wheel design mostly adopts a fixed structure, which is difficult to adapt to complex and variable working conditions, resulting in problems such as increased wear and tear, increased vibration and noise when the equipment is used in different terrains, loads and speeds, and there is room for improvement. UTILITY MODEL CONTENT

[0005] The utility model aims to provide a multi-condition self-adaptive supporting wheel structure to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a multi-condition self-adaptive supporting wheel structure, comprising a supporting wheel shaft, two cover plates are externally sleeved on the supporting wheel shaft, a cylindrical pin is installed on both the cover plates and the supporting wheel shaft, an adaptive assembly is installed on the outside of each cover plate, the adaptive assembly comprises an extension pipe arranged on the top of the cover plate, two dampers are fixedly connected to the inner wall of the bottom of the extension pipe, a sliding sleeve is externally sleeved on the extension pipe, and a spring is externally sleeved on each damper.

[0007] As a further optimization of the technical scheme, one end of the top of each spring is fixedly connected to the same connecting plate, a bolt is slidingly inserted into the top of the sliding sleeve, and the bolt is threadedly connected to the inside of the connecting plate.

[0008] The supporting wheel has a dynamic load distribution capability, can perceive and balance the stress state of each wheel in real time, effectively avoids the deformation of the track shoe or the risk of ground collapse caused by local overload, and thus endows the tracked vehicle with excellent working condition adaptability; when the track runs on uneven ground, the protruding stones are extruded by the track to the supporting wheel body, the pressure is applied to the damper and the spring through the cover plate, the stress of the two is compressed, the cover plate and the supporting wheel body can avoid upward along the sliding sleeve, the track of other parts can also be attached to the ground, the spring can resist the impact force, and the damper can absorb the impact force, so that the state of the vehicle body is more stable, the contact area of the track with the ground is large enough, the phenomena of slipping or sinking are effectively avoided, and the track is not damaged by excessive stress.

[0009] As a further preferred technical solution of the present application, the supporting wheel shaft is rotatably connected with the supporting wheel body through the bearing sleeve outside the supporting wheel shaft, the supporting wheel body is located in the middle position between the two cover plates, and the oil seal is arranged between the cover plate and the supporting wheel body.

[0010] As a further preferred technical solution of the present application, the two sliding sleeves are externally provided with two protection assemblies, and the two protection assemblies are respectively located on the sides of the two sliding sleeves away from each other.

[0011] As a further preferred technical solution of the present application, the protection assembly comprises a hinge base fixedly connected to the top of the outer wall of one side of the sliding sleeve, the hinge base is externally hinged with a protection cover, and the protection cover is internally bonded with a sealing gasket on one side.

[0012] As a further preferred technical solution of the present application, the protection cover is provided with a magnetic block on the outer wall of each end, and the magnetic block is arranged close to the sealing gasket.

[0013] The bolt passes through the hole of the sliding sleeve into the mounting bracket, and then is connected and locked by the nut, the movable end of the protection cover is actuated, the protection cover is turned upward along the hinge base, and then the protection cover covers the outside of the nut, at this time the magnetic block is also adsorbed on the mounting bracket, so that the external mud cannot contact the nut through the protection cover, and the sealing gasket is deformed due to the pressure, so that the sealing property between the protection cover and the mounting bracket is stronger.

[0014] As a further preferred technical solution of the present application, the extension pipe is externally provided with a groove, and the sealing ring is sleeved in the groove, and the sealing ring partially extends out of the extension pipe.

[0015] The utility model provides a multi -condition self -adaptation supporting wheel structure has the following beneficial effects:

[0016] (1)The utility model discloses a setting adaptive assembly, and the supporting wheel has dynamic load distribution ability, can sense and balance each wheel stress state in real time, effectively avoids the track shoe deformation or ground collapse risk caused by local overload, thereby endowing the tracked vehicle with excellent working condition adaptability, when the track runs to the uneven ground, the protruding stone is extruded the supporting wheel body through the track, and the pressure is applied on the damper and spring through the cover plate, and the stress of both is compressed, and the cover plate and the supporting wheel body can avoid upwards along the sliding sleeve, and the track of other parts also adheres to the ground, and the spring can resist the impact force, and the damper can absorb the impact force, so that the vehicle body state is more stable, guarantees that the contact area of the track and the ground is enough big, effectively avoids the phenomenon such as skidding or subsidence, and avoids that the track is damaged excessively by stress.

[0017] (2)The utility model discloses a setting protection assembly, utilizes bolt to pass through the hole of sliding sleeve and enters the mount, then is connected locking through nut, the movable end of protective cover is dialled, and the protective cover is overturned upwards along the hinge seat, and then the protective cover covers outside the nut, at this moment, the magnetic block also can be adsorbed on the mount, so that the outside mud and water do not contact the nut through the protective cover, and the sealing washer is deformed due to pressure, guaranteeing that the airtightness between the protective cover and the mount is stronger. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the whole first visual angle structure schematic diagram of the utility model;

[0019] Figure 2 It is the adaptive assembly structure schematic diagram of the utility model;

[0020] Figure 3 It is the internal structure schematic diagram of the supporting wheel of the utility model;

[0021] Figure 4 It is the Figure 1 It is the enlarged structure schematic diagram of A place in the middle;

[0022] In the drawing: 1, supporting wheel shaft; 2, cover plate; 3, cylindrical pin; 4, oil seal; 5, supporting wheel body; 6, adaptive assembly; 7, protection assembly; 601, extension pipe; 602, sliding sleeve; 603, connecting plate; 604, bolt; 605, damper; 606, spring; 607, sealing ring; 701, hinge seat; 702, protective cover; 703, sealing washer; 704, magnetic block. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiment of the utility model will be clearly and completely described in combination with the drawings in the embodiment of the utility model.

[0024] The utility model provides technical scheme: as Figure 1 And Figure 2As shown, in this embodiment, the multi-condition adaptive load wheel structure comprises a load wheel shaft 1, two cover plates 2 are externally sleeved on the load wheel shaft 1, a cylindrical pin 3 is installed on each of the two cover plates 2 and the load wheel shaft 1, an adaptive assembly 6 is installed on the outside of each of the two cover plates 2, the adaptive assembly 6 comprises an extension pipe 601 arranged at the top of the cover plate 2, two dampers 605 are fixedly connected to the inner wall at the bottom of the extension pipe 601, a sliding sleeve 602 is externally sleeved on the extension pipe 601, and one spring 606 is externally sleeved on each of the two dampers 605.

[0025] One end of the top of each of the two springs 606 is fixedly connected to the same connecting plate 603, and a bolt 604 is slidingly inserted into the top of the sliding sleeve 602, and the bolt 604 is threadedly connected to the inside of the connecting plate 603.

[0026] When the track runs on uneven ground, the protruding stones are extruded by the track to the load wheel body 5, the pressure is applied to the dampers 605 and the springs 606 through the cover plates 2, the two are compressed under force, and the cover plates 2 and the load wheel body 5 can avoid upward along the sliding sleeve 602, on the contrary, the load wheel body 5 is in the recessed position, the track can be pushed to fit the recessed part, and the other parts of the track can also be fitted with the ground, the spring 606 can resist the impact force, and the damper 605 can absorb the impact force, so that the state of the vehicle body is more stable, the contact area of the track with the ground is ensured to be large enough, the phenomena of slipping or sinking are effectively avoided, and the track is also prevented from being damaged by excessive stress.

[0027] As shown in Figure 1 and Figure 3 , the load wheel body 5 is rotatably connected to the outside of the load wheel shaft 1 through a bearing sleeve, the load wheel body 5 is located at the intermediate position between the two cover plates 2, and an oil seal 4 is arranged between the cover plates 2 and the load wheel body 5.

[0028] As shown in Figure 1 and Figure 4 , two protective assemblies 7 are installed on the outside of the two sliding sleeves 602, and the two protective assemblies 7 are respectively located on the sides of the two sliding sleeves 602 away from each other.

[0029] The protective assembly 7 comprises a hinge base 701 fixedly connected to the top of the outer wall on one side of the sliding sleeve 602, a protective cover 702 is hingedly connected to the outside of the hinge base 701, and a sealing gasket 703 is bonded to the inner wall on one side of the protective cover 702.

[0030] Magnetic blocks 704 are arranged on the outer walls at both ends of the protective cover 702, and the magnetic blocks 704 are arranged close to the sealing gasket 703.

[0031] The connecting piece passes through the hole of the sliding sleeve 602 into the mounting frame, then is connected and locked by the nut, the movable end of the protective cover 702 is turned, the protective cover 702 is turned up along the hinge 701, then the protective cover 702 covers outside the nut, at this time, the magnetic block 704 is also adsorbed on the mounting frame, so that the external mud cannot contact the nut through the protective cover 702, the sealing gasket 703 is deformed due to pressure, and the sealing property between the protective cover 702 and the mounting frame is stronger.

[0032] As shown in the drawings, the extension pipe 601 is externally provided with a groove, and the groove is internally sleeved with a sealing ring 607, and the sealing ring 607 partially extends out of the extension pipe 601, so that the sealing property between the extension pipe 601 and the sliding sleeve 602 is improved, thereby avoiding that external water contacts the damper. Figure 2

[0033] The utility model provides multi -condition self -adaptation supporting wheel structure, specific working principle is as follows:

[0034] The sliding sleeve 602 is installed to the bottom of the mounting frame adhering to the vehicle body, then the connecting piece passes through the hole of the sliding sleeve 602 into the mounting frame, then is connected and locked by the nut, the movable end of the protective cover 702 is turned, the protective cover 702 is turned up along the hinge 701, then the protective cover 702 covers outside the nut, at this time, the magnetic block 704 is also adsorbed on the mounting frame, so that the external mud cannot contact the nut through the protective cover 702, the sealing gasket 703 is deformed due to pressure, and the sealing property between the protective cover 702 and the mounting frame is stronger, when the device works, when the track travels to the uneven ground, the protruding stone is extruded supporting wheel body 5 through the track, pressure is applied on the damper 605 and spring 606 through the cover plate 2, and the two are compressed under stress, and the cover plate 2 and supporting wheel body 5 can avoid upwards along the sliding sleeve 602, conversely, when supporting wheel body 5 is in the recessed position, can promote the track to adhere to the recessed place, and the track of other parts also adheres to the ground, and spring 606 can resist impact force, and the damper 605 can absorb impact force, so that the state of the vehicle body is more stable, the contact area of the track and the ground is guaranteed to be large enough, effectively avoids the phenomenon, such as skidding or subsidence, and avoids that the track is damaged excessively under stress.

[0035] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.​

Claims

1. A multi-condition adaptive load wheel structure, comprising a load wheel axle (1), characterized in that: The supporting wheel shaft (1) is externally sleeved with two cover plates (2), the two cover plates (2) and the supporting wheel shaft (1) are both provided with a cylindrical pin (3), the two cover plates (2) are both externally provided with an adaptive assembly (6), the adaptive assembly (6) comprises an extension pipe (601) arranged at the top of the cover plate (2), two dampers (605) are fixedly connected to the inner wall of the bottom of the extension pipe (601), a sliding sleeve (602) is sleeved outside the extension pipe (601), and one spring (606) is sleeved outside each of the two dampers (605).

2. The multi-condition adaptive load wheel structure according to claim 1, characterized in that: One end of the top of the two springs (606) is fixedly connected with the same connecting plate (603), a bolt (604) is slidingly inserted into the top of the sliding sleeve (602), and the bolt (604) is threadedly connected inside the connecting plate (603).

3. The multi-condition adaptive load wheel structure according to claim 1, characterized in that: The supporting wheel shaft (1) is rotatably connected with a supporting wheel body (5) through a bearing sleeve outside the supporting wheel shaft (1), the supporting wheel body (5) is located at the intermediate position of the two cover plates (2), and an oil seal (4) is arranged between the cover plate (2) and the supporting wheel body (5).

4. The multi-condition adaptive load wheel structure according to claim 1, characterized in that: Two protection assemblies (7) are arranged outside the two sliding sleeves (602), and the two protection assemblies (7) are located on the sides, away from each other, of the two sliding sleeves (602).

5. The multi-condition adaptive load wheel structure according to claim 4, characterized in that: The protection assembly (7) comprises a hinge base (701) fixedly connected to the top of the outer wall of one side of the sliding sleeve (602), a protection cover (702) is hingedly connected to the outside of the hinge base (701), and a sealing gasket (703) is bonded to the inner wall of one side of the protection cover (702).

6. The multi-condition adaptive load wheel structure according to claim 5, characterized in that: Magnetic blocks (704) are arranged on the outer walls of both ends of the protection cover (702) and located close to the sealing gasket (703).

7. The multi-condition adaptive load wheel structure according to claim 1, characterized in that: A groove is formed in the outer wall of the extension pipe (601), and a sealing ring (607) is sleeved in the groove, and part of the sealing ring (607) extends out of the extension pipe (601).

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