CN213083347U

CN213083347U - Lifting riding wheel device for excavator

Info

Publication number: CN213083347U
Application number: CN202022145686.7U
Authority: CN
Inventors: 沈世月
Original assignee: Quanzhou Kairong Construction Machinery Co ltd
Current assignee: Quanzhou Kairong Construction Machinery Co ltd
Priority date: 2020-09-26
Filing date: 2020-09-26
Publication date: 2021-04-30
Anticipated expiration: 2030-09-26

Abstract

The utility model belongs to the technical field of excavator track assembly parts, in particular to a lifting riding wheel device for an excavator, which comprises a bottom plate, wherein the left and right ends of the upper end surface of the bottom plate are fixedly provided with electric push rods, the output ends of the two electric push rods are provided with a supporting frame, the bottom end surface of the supporting frame is fixedly provided with a rotating seat, the rotating seat is positioned between the two electric push rods, a fixed box is arranged below the rotating seat, the top end surface of the fixed box is uncovered, the inside of the fixed box is provided with a lifting rod, the upper end surface of the lifting rod is fixedly connected with a connecting plate, the connecting plate is rotatably connected with the rotating seat through a rotating shaft, the left and right sides of the lifting rod are fixedly connected with sliders, the bottom end surface of the lifting rod is fixedly connected with a plurality of springs which are uniformly distributed, thereby limiting the moving direction, the riding wheel can stably ascend or descend, and the rotation angle of the riding wheel can be adjusted when the riding wheel ascends through the two electric push rods.

Description

Lifting riding wheel device for excavator

Technical Field

The utility model relates to an excavator track assembly spare part technical field, concretely relates to lift riding wheel device for excavator.

Background

The riding wheel of the excavator is also called as a riding wheel, plays a role of riding up a caterpillar track and keeping the linear motion of the caterpillar track, sealed lubricating oil is arranged in the riding wheel, the caterpillar track is lapped on the outer sleeve of the riding wheel and can rotate around a central shaft, and the riding wheel device is an important component accessory of the excavator and is used for upwards riding up the caterpillar track so that the caterpillar track has certain tension.

When the crawler belt of the excavator is loosened, the position of the riding wheel can be adjusted only by manually screwing the bolt to enable the riding wheel to rise or fall, so that the crawler belt is tensioned and is troublesome to operate, and only the riding wheel can be adjusted to move up and down, the rotating angle of the riding wheel is inconvenient to adjust, and the utilization rate of the riding wheel is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a lift riding wheel device for excavator aims at solving and can only make rising or decline of riding wheel adjust the position of riding wheel through manual twisting bolt to and can only adjust the riding wheel and reciprocate, inconvenient riding wheel pivoted angle problem of adjusting.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a lift riding wheel device for excavator, includes the bottom plate, the equal fixed mounting in both ends has electric push rod, two about the bottom plate up end the output of electric push rod is provided with the carriage, the bottom face fixed mounting of carriage has the rotation seat, it is located between two electric push rods to rotate the seat, the below of rotating the seat is provided with fixed case, the top face of fixed case does not have the lid, the inside of fixed case is provided with the lifter, the up end fixedly connected with connecting plate of lifter, the connecting plate rotates through the pivot with rotating the seat and is connected, the equal fixedly connected with slider in the left and right sides of lifter, the bottom face fixedly connected with a plurality of evenly distributed's of springs of lifter, the up end fixed mounting of carriage has the fixing base, the inside fixed mounting of fixing base has the riding wheel body.

In order to make stable rising and decline of lifter, as the utility model discloses a lift riding wheel device for excavator is preferred, the equal fixedly connected with fixed plate in the upper and lower both ends of the inside left and right sides wall of fixed incasement, four the equal fixedly connected with slide bar in the relative one side about two liang of fixed plates, two the slider activity respectively cup joints in the lateral wall of two slide bars.

Rotate the seat in order to the restriction and continue to rotate, conduct the utility model discloses a lift riding wheel device for excavator is preferred, the spacing post of the equal fixedly connected with in both ends about the lifter up end, the draw-in groove has all been seted up to the bottom of rotating the seat left and right sides.

In order to adjust riding wheel body pivoted angle, as the utility model discloses a lift riding wheel device for excavator is preferred, the inside of carriage is provided with two axis of rotation, two the lateral wall of axis of rotation all has fixed the cup joint to have a bracing piece, two both ends face swing joint around both ends face and the carriage around the axis of rotation run through the carriage respectively around both ends face, two the output of electric push rod respectively with the lateral wall fixed connection of two bracing pieces.

In order to play absorbing effect when the lifter reciprocates, conduct the utility model discloses a lift riding wheel device is preferred for excavator, a plurality of the bottom of spring all with fixed incasement portion's bottom face fixed connection.

Stop rotating when making the seat of rotating clockwise or anticlockwise pivoted maximum angle, conduct the utility model discloses a lift riding wheel device is preferred for excavator, the connecting plate is located between two spacing posts.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this kind of lift riding wheel device for excavator: the supporting frame is pushed to move upwards through the two electric push rods, and then the rotating seat and the lifting rod move upwards along with the supporting frame, so that the lifting rod drives the two sliding blocks to move upwards along the two sliding rods respectively, and the two sliding rods limit the moving direction of the two sliding blocks, so that the lifting rod is stably lifted, and the effect of stably lifting the riding wheel is achieved;

2. this kind of lift riding wheel device for excavator: the two electric push rods are adjusted to rise to different heights to enable the two rotating shafts and the rotating seat to rotate, the supporting frame is inclined by rotating the rotating seat, when the electric push rod positioned on the left side pushes the rotating seat to rotate clockwise, the clamping groove on the left side moves along with the rotating seat, the limiting column is clamped in the clamping groove, the rotating seat is prevented from rotating, the rotating angle of the riding wheel body is adjusted, and the effect of conveniently adjusting the rotating angle of the riding wheel is achieved;

in summary, the lifting riding wheel device for the excavator has the effects of enabling the riding wheel to lift stably and adjusting the rotation angle of the riding wheel.

Drawings

Fig. 1 is a structural diagram of a lifting riding wheel device for an excavator of the utility model;

fig. 2 is a partial left side view of the present invention;

fig. 3 is a raised structure view of the present invention.

In the figure: 1. a base plate; 2. an electric push rod; 201. a support bar; 3. a support frame; 4. a fixed seat; 5. a riding wheel body; 6. a rotating shaft; 7. a rotating seat; 8. a fixed box; 801. a fixing plate; 802. a slide bar; 8021. a slider; 803. a spring; 9. a lifting rod; 901. a connecting plate; 902. a limiting column; 903. a clamping groove.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-3, the utility model provides a technical solution: the utility model provides a lift riding wheel device for excavator, comprising a base plate 1, the equal fixed mounting in both ends has electric push rod 2 about 1 up end of bottom plate, the output of two electric push rod 2 is provided with carriage 3, carriage 3's bottom face fixed mounting has and rotates seat 7, it is located between two electric push rod 2 to rotate seat 7, the below of rotating seat 7 is provided with fixed case 8, fixed case 8's top face does not have the lid, fixed case 8's inside is provided with lifter 9, lifter 9's up end fixedly connected with connecting plate 901, connecting plate 901 rotates through the pivot with rotating seat 7 and is connected, lifter 9's the equal fixedly connected with slider 8021 in the left and right sides, lifter 9's bottom face fixedly connected with a plurality of evenly distributed's spring 803, carriage 3's up end fixed mounting has fixing base 4, fixing base 4's inside fixed mounting has riding wheel body 5.

In this embodiment: promote carriage 3 rebound through two electric push rods 2, and then rotate seat 7 and lifter 9 along with carriage 3 rebound, make lifter 9 drive two sliders 8021 respectively along two slide bars 802 rebound, two slide bars 802 restrict the direction that two sliders 8021 removed, thereby make the stable rising of lifter 9, through adjusting two electric push rods 2 different heights that rise, make two axis of rotation 6 and rotate seat 7 and rotate, through rotating seat 7 and making carriage 3 take place to incline when the electric push rod 2 that is located the left side promotes when rotating seat 7 clockwise rotation, the draw-in groove 903 of left side moves along with rotating seat 7, and then spacing post 902 joint is in draw-in groove 903, prevent to rotate seat 7 and rotate, thereby adjust riding wheel body 5 pivoted angle.

As a technical optimization scheme of the utility model, the equal fixedly connected with fixed plate 801 in the upper and lower both ends of the inside left and right sides wall of fixed box 8, the equal fixedly connected with slide bar 802 in the relative one side about two liang of fixed plate 801, two sliders 8021 activity respectively cup joint in the lateral wall of two slide bars 802.

In this embodiment: the two sliding blocks 8021 are driven by the lifting rod 9 to move up and down along the two sliding rods 802 respectively, so that the two sliding rods 802 limit the moving direction of the two sliding blocks 8021, and the lifting rod 9 stably ascends and descends.

As a technical optimization scheme of the utility model, the draw-in groove 903 has all been seted up to the spacing post 902 of the equal fixedly connected with in both ends about the lifter 9 up end, the bottom of rotating 7 left and right sides of seat.

In this embodiment: rotate seat 7 through rotating and make carriage 3 take place the slope, and then adjust the angle of riding wheel body 5, when the electric putter 2 that is located the left side promoted to rotate seat 7 clockwise turning, the draw-in groove 903 of left side removed along with rotating seat 7, and then spacing post 902 joint is in draw-in groove 903 to the restriction rotates seat 7 and continues to rotate.

As a technical optimization scheme of the utility model, the inside of carriage 3 is provided with two axis of rotation 6, and the bracing piece 201 has all been cup jointed to the lateral wall of two axis of rotation 6, both ends face and with the front and back both ends face swing joint of carriage 3 around both ends run through carriage 3 respectively around two axis of rotation 6, the output of two electric putter 2 respectively with the lateral wall fixed connection of two bracing pieces 201.

In this embodiment: the two electric push rods 2 are adjusted to rise to different heights, so that the two rotating shafts 6 and the rotating seat 7 are enabled to rotate, the supporting frame 3 is further enabled to incline, and the rotating angle of the riding wheel body 5 is adjusted.

As a technical optimization scheme of the utility model, the bottom of a plurality of springs 803 all with fixed 8 inside bottom face fixed connection of case.

In this embodiment: the vertical movement of the lift lever 9 in the fixed box 8 causes the spring 803 to be stretched or compressed, thereby providing a shock absorbing effect when the lift lever 9 moves vertically.

As a technical optimization scheme of the utility model, connecting plate 901 is located between two spacing posts 902.

In this embodiment: the rotating seat 7 is supported by the connecting plate 901 to rotate, and when the rotating seat 7 rotates clockwise or counterclockwise, the two limiting columns 902 enable the rotating seat 7 to rotate clockwise or counterclockwise to the maximum angle, and the rotation is stopped.

The theory of operation, at first, through starting two electric push rods 2 simultaneously, two electric push rods 2 promote carriage 3 rebound, and then rotate seat 7 and lifter 9 along with carriage 3 rebound, make lifter 9 drive two sliders 8021 respectively along two slide bars 802 rebound, two slide bars 802 restrict the direction that two sliders 8021 removed, thereby make the stable rising of lifter 9, through adjusting two electric push rods 2 different heights that rise, make two axis of rotation 6 and rotate seat 7 and rotate, rotate seat 7 through rotating and make carriage 3 take place the slope when the electric push rod 2 that is located the left side promotes to rotate seat 7 clockwise, the draw-in groove 903 of the left side moves along with rotating seat 7, and then spacing post 902 joint is in draw-in groove 903, prevent to rotate seat 7 and rotate, thereby adjust riding wheel body 5 pivoted angle.

It should be noted that, in this document, 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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a lift riding wheel device for excavator, includes bottom plate (1), its characterized in that: the left end and the right end of the upper end face of the bottom plate (1) are fixedly provided with electric push rods (2), the output ends of the two electric push rods (2) are provided with supporting frames (3), the bottom end face of each supporting frame (3) is fixedly provided with a rotating seat (7), each rotating seat (7) is positioned between the two electric push rods (2), a fixed box (8) is arranged below each rotating seat (7), the top end face of each fixed box (8) is uncovered, a lifting rod (9) is arranged inside each fixed box (8), the upper end face of each lifting rod (9) is fixedly connected with a connecting plate (901), each connecting plate (901) is rotatably connected with each rotating seat (7) through a rotating shaft, the left side and the right side of each lifting rod (9) are fixedly connected with sliders (8021), and the bottom end face of each lifting rod (9) is fixedly connected with a plurality of uniformly distributed springs (803), the supporting frame is characterized in that a fixing seat (4) is fixedly mounted on the upper end face of the supporting frame (3), and a supporting wheel body (5) is fixedly mounted inside the fixing seat (4).

2. The elevating idler unit for an excavator according to claim 1, wherein: the upper end and the lower end of the left side wall and the lower end of the right side wall in the fixed box (8) are fixedly connected with fixing plates (801), four sliding rods (802) are fixedly connected to one side of each fixing plate (801) opposite to each other in a pairwise mode, and the two sliding blocks (8021) are movably sleeved on the outer side walls of the two sliding rods (802) respectively.

3. The elevating idler unit for an excavator according to claim 1, wherein: the equal fixedly connected with spacing post (902) in both ends about lifter (9) up end, draw-in groove (903) have all been seted up to the bottom of rotating seat (7) left and right sides.

4. The elevating idler unit for an excavator according to claim 1, wherein: the inside of carriage (3) is provided with two axis of rotation (6), two the lateral wall of axis of rotation (6) has all fixedly cup jointed bracing piece (201), two both ends run through the front and back both ends face of carriage (3) respectively around axis of rotation (6) and with the front and back both ends face swing joint of carriage (3), two the output of electric putter (2) respectively with the lateral wall fixed connection of two bracing pieces (201).

5. The elevating idler unit for an excavator according to claim 1, wherein: the bottom ends of the springs (803) are fixedly connected with the bottom end face inside the fixed box (8).

6. The elevating idler unit for an excavator according to claim 3, wherein: the connecting plate (901) is positioned between the two limiting columns (902).