CN218026943U

CN218026943U - Railway construction walking auxiliary driving wheel for mini excavator

Info

Publication number: CN218026943U
Application number: CN202222160703.3U
Authority: CN
Inventors: 左金涛; 杜瑜
Original assignee: Xuzhou Tiechang Construction Machinery Co ltd
Current assignee: Xuzhou Tiechang Construction Machinery Co ltd
Priority date: 2022-08-16
Filing date: 2022-08-16
Publication date: 2022-12-13
Anticipated expiration: 2032-08-16

Abstract

The utility model discloses a railway construction walking auxiliary driving wheel for miniature excavator, including setting up driving wheel group and the driven wheel group in the track left and right sides outside, driving wheel group is including a connection section of thick bamboo, the mount pad, the driving disc, the axle sleeve, driving shaft and action wheel, a connection section of thick bamboo and the coaxial fixed connection of sprocket and outside extension, the mount pad is fixed to be set up on the frame, the axle sleeve is installed in the mount pad and coaxial with a connection section of thick bamboo, the driving shaft rotatably sets up in the axle sleeve, the fixed terminal surface and the connection of a connection section of thick bamboo transmission at the driving shaft that set up of driving disc, another terminal surface of driving shaft is fixed and connect with one heart to the action wheel, driven wheel group includes the fixed axle of fixed connection excavator, rotatably set up the follower on the fixed axle, the advantage compared with prior art lies in: the excavator can realize lossless railway load walking and is flexible and convenient to use.

Description

Railway construction walking auxiliary driving wheel for mini excavator

Technical Field

The utility model relates to a railway maintenance technical field specifically indicates a railway construction walking auxiliary drive wheel for miniature excavator.

Background

Railway tracks are the running tracks of trains and are subject to environmental influences due to long term exposure to the environment. After a train passes through, ballast stones are accumulated on the stone sleepers, and certain ballast stones are gathered on the stone sleepers, so that the running stability of the train is influenced, and serious potential safety hazards of the train can be caused seriously; unnecessary accidents may be caused. Therefore, the method becomes one of important work flows for daily maintenance and cleaning of the railway.

At present, automatic equipment is used for railway maintenance, and the form of common equipment such as public (bulletin) numbers: CN108532382A, patent name: a small railway ballast cleaning machine can be seen, the maintenance equipment adopts a separately customized rail flat car as a carrier to carry out on-load running, so that the production cost is high, the application range is limited, and flexible transfer and use cannot be carried out. Therefore, in response to the demand for the improvement of the conventional construction machine to have the railway load running, there have been developed, for example, patent publication (publication) nos: CN103161104A, patent name: a sleeper replacement device and method provide a maintenance device using an excavator as a carrier, and the maintenance device can drive equipment to move by the movement of the excavator on a rail. The inventor thinks that ordinary machine of digging is difficult to the distance of two rails of adaptation and walks, and through the form that changes the machine of digging track distance adaptation rail interval, can lead to track and rail excessive wear, has the operation arm and invades the contact net easily, easily causes recessive injury, low in construction efficiency, occupies skylight point time length and circuit influence area big scheduling problem to the track. The inventor solves the problem by providing an auxiliary driving wheel adapted to the excavator to travel on the railway with load.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome above technical defect, provide a railway construction walking auxiliary drive wheel for miniature excavator.

The design provides a railway construction walking auxiliary driving wheel for a mini excavator, which is matched with the excavator in use, wherein the excavator comprises a frame and a crawler belt which is arranged on two sides of the frame and is driven to rotate by a chain wheel, and the auxiliary driving wheel comprises a driving wheel set and a driven wheel set which are arranged on the left outer side and the right outer side of the crawler belt;

the driving wheel set is used for being connected with a chain wheel of an excavator so as to continuously and stably output power, is matched with a rail to drive the whole excavator to walk and comprises a connecting cylinder, a mounting seat, a transmission disc, a shaft sleeve, a driving shaft and a driving wheel, wherein the connecting cylinder is coaxially and fixedly connected with the chain wheel and extends outwards, the mounting seat is fixedly arranged on the frame, the shaft sleeve is arranged in the mounting seat and is coaxial with the connecting cylinder, the driving shaft is rotatably arranged in the shaft sleeve, the transmission disc is fixedly arranged on the end face of the driving shaft and is in transmission connection with the connecting cylinder, and the driving wheel is fixedly and concentrically connected with the other end face of the driving shaft;

the driven wheel set is used for supporting and guiding, is of a passive structure, and comprises a fixed shaft fixedly connected with the excavator, and a driven wheel is rotatably arranged on the fixed shaft.

Furthermore, the connecting cylinder and the transmission disc adopt a connection structure with meshed tooth shapes, so that the connecting cylinder and the transmission disc are convenient to disassemble and assemble and can realize power output, a plurality of convex teeth are uniformly distributed on the outer end face of the connecting cylinder, a groove meshed with the convex teeth is formed in the periphery of the transmission disc, and the groove and the convex teeth are meshed with each other to realize transmission of the connecting cylinder and the transmission disc.

Furthermore, in order to protect the surface of the rail and reduce the abrasion of the rail, rubber buffer layers are coated outside the driving wheel and the driven wheel.

Furthermore, for the installation form of the installation seat, the installation seat comprises a fixing plate and an installation plate, the fixing plate is welded on the frame, the installation plate is detachably connected with the fixing plate, and a through hole for installing a shaft sleeve is formed in the installation plate, so that the installation plate can be easily detached, and the driving wheel can be quickly installed or taken down.

Further, be equipped with the bearing in the axle sleeve, and pass through the bearing with driving shaft swivelling joint, the both sides of bearing are equipped with the skeleton oil blanket.

Furthermore, a blade is arranged on the front side or the rear side of the frame, the fixed shaft is horizontally and fixedly installed at the left end and the right end of the blade, and the driven wheel set is installed on the blade, and can be adjusted to a certain degree along with the adjustment of the blade, so that the frame can be better suitable for railway walking.

After the structure is adopted, compared with the prior art, the utility model the advantage that has is: this scheme is through setting up the auxiliary wheel and coming to match the rail and carry out the area and carry the walking digging frame side, the driving wheel group carries out power transmission through a connection section of thick bamboo and driving disc and digging quick-witted sprocket, the drive sets up the action wheel rotation on the mount pad, and drive whole main part and carry out initiative removal, it self energy supply walking to have adopted the digging machine, and then realize the most demand of railway road maintenance operation, and can compromise and control the walking change, and simple structure, high durability and convenient operation, and do not influence the normal work of digging the machine, therefore, be suitable for wide application.

Drawings

Fig. 1 is a schematic perspective view of the installation of the railway construction walking auxiliary driving wheel for the mini excavator of the present invention.

Fig. 2 is a schematic plan view illustrating the installation of the auxiliary driving wheel for running in railway construction for a mini excavator according to the present invention.

Fig. 3 is a schematic view of the running auxiliary driving wheel for railway construction for a mini excavator of the present invention.

Fig. 4 is a schematic structural view of the driving wheel set of the railway construction walking auxiliary driving wheel for the mini excavator of the present invention.

Fig. 5 is an installation schematic diagram of the driving wheel set of the railway construction walking auxiliary driving wheel for the mini excavator of the utility model.

Fig. 6 is a schematic structural view of a driving wheel set of the railway construction walking auxiliary driving wheel for the mini excavator of the present invention.

Fig. 7 is a schematic view showing the connection between the coupling cylinder and the driving disc of the railway construction walking auxiliary driving wheel for the mini excavator according to the present invention.

As shown in the figure: 1. the device comprises a frame, 2, a track, 3, a chain wheel, 4, a dozer blade, 5, a driving wheel set, 6, a driven wheel set, 7, a connecting cylinder, 8, a mounting seat, 9, a transmission disc, 10, a shaft sleeve, 11, a driving shaft, 12, a driving wheel, 13, a fixing shaft, 14, a driven wheel, 15, a convex tooth, 16, a groove, 17, a rubber buffer layer, 18, a fixing plate, 19, a mounting plate, 20, a bearing, 21 and a framework oil seal.

Detailed Description

The following description is only for the preferred embodiment of the present invention, and the protection scope of the present invention is not limited thereby, the present invention will be further explained with reference to the drawings and the embodiments.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "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; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

Example 1, see FIGS. 1-7:

in this embodiment, since the object of the present invention is to enable a mini excavator to travel on a railway with load and to ensure the traveling stability and the protection of rails, the present embodiment proposes an auxiliary driving wheel for traveling in railway construction for a mini excavator, and thus, embodiment 1 is shown by taking a traveling base of an excavator as an example. It can be seen that for the excavator, the bottom center is a frame 1, a power system (hydraulic system) is arranged in the frame 1, crawler belts 2 are arranged on the left side and the right side of the frame, and the crawler belts 2 are driven by a chain wheel 3 to rotate. The front side of the excavator frame 1 is provided with the dozer blade 4, the dozer blade 4 can be turned over through an independent oil cylinder, the whole excavator can be pushed to achieve certain specific operations, and the carriage of the excavator can rotate 360 degrees and can be driven to move in two directions, so that the dozer blade 4 serves as the rear of the moving direction in the embodiment.

The auxiliary device comprises a driving wheel set 5 and a driven wheel set 6 which are arranged at the left and right outer sides of the crawler 2, and referring to fig. 4-7, it can be seen that the driving wheel set 5 of the embodiment 1 comprises two pairs of driving wheels 12, and the driven wheel set 6 comprises two pairs of driven wheels 14. Two pairs of driving wheels 12 are respectively arranged in front of the frame 1 in the traveling direction, and driven wheels 14 are arranged behind the traveling direction.

Specifically, each driving wheel set 5 comprises a coupling cylinder 7, a mounting seat 8, a transmission disc 9, a shaft sleeve 10, a driving shaft 11 and a driving wheel 12. As the excavator is adaptively installed by the kiln, the damage to the excavator needs to be reduced as much as possible, and the excavator can flexibly realize the loaded walking on the railway on the premise of ensuring the normal work. In contrast, the coupling cylinder 7 has a cylindrical structure, and is required to be fitted to the sprocket 3 of the excavator, and the front end thereof is fixedly mounted to the sprocket 3 by bolts and nuts, coaxially and fixedly connected to the sprocket 3, and extends outward. The rear end is used as the output surface of power, a tooth-groove meshed connection mode is adopted as a transmission structure in the scheme, namely a plurality of convex teeth 15 are uniformly distributed on the outer end surface of the connecting cylinder 7.

The mount pad 8 is fixed to be set up on frame 1, and is concrete, mount pad 8 includes fixed plate 18 and mounting panel 19, fixed plate 18 is the rectangular plate, its welded connection frame 1, mounting panel 19 has the connecting portion of rectangle and an annular installation department, and its connecting portion can dismantle the connection through the bolt fixed plate 18 offers the through-hole that is used for installing axle sleeve 10 on the installation department. The mounting plate 19 can be removable to facilitate removal of the drive wheel.

The shaft sleeve 10 is a cylindrical structure, and is installed in the installation seat 8 and is coaxial with the connecting cylinder 7. A driving shaft 11 is rotatably arranged in the shaft sleeve 10, a 6020 bearing 20 is arranged in the shaft sleeve 10 in the embodiment, and framework oil seals 21 are arranged on two sides of the bearing 20. Since the rotation connection is performed by the bearing 20 and the limitation and lubrication are performed by the skeleton oil seal 21, the driving shaft 11 can smoothly rotate in the sleeve 10.

Meanwhile, in order to realize power transmission, a transmission disc 9 is fixedly connected to the inner end face of the driving shaft 11, the transmission disc 9 and the driving shaft 11 are inserted and connected through a central rectangular protrusion and a central rectangular recess, and are fastened through bolts. A plurality of grooves 16 are arranged on the periphery of the transmission disc 9, and the grooves 16 can be meshed and connected with the convex teeth 15.

The driving wheel 12 is fixed by a bolt and concentrically connected to the other end face of the driving shaft 11, wherein a flange is required to be arranged on the driving wheel 12 in order to adapt to the size of a rail, the whole width of the driving wheel 12 is 119.5mm, the diameter of the driving wheel is 316mm, the width of the flange is 21mm, and the outer diameter of the flange is 348mm, so that walking derailment can be prevented, and walking stability is improved.

The driven wheel set 6 is simple in structure and mainly comprises a fixed shaft 13 fixedly connected with the excavator blade 4, the inner end of the fixed shaft 13 is fixed through two fixed pins, the fixed shaft 13 is arranged in parallel, and a driven wheel 14 is rotatably arranged at the outer end of the fixed shaft 13. The driven wheel 14 travels with the driving wheel 12, and therefore, it is necessary to keep the front and rear straight positions of the two wheels.

In order to protect the track as much as possible, the driving wheel 12 and the driven wheel 14 are covered with rubber buffer layers 17.

When the device is used specifically, referring to attached drawings 1-3, after the device is installed on a common miniature excavator, auxiliary driving wheels extend outwards from the left side and the right side of a frame 1, wherein a driving wheel group 5 on the front side serves as a power output wheel, is driven by a hydraulic system of the excavator to rotate and drives the excavator and a maintenance component on the excavator to walk, so that the belt-carrying walking is realized, and a crawler 2 does not contact with a rail in the whole process, so that the walking and protection effects are good.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, it should be understood that those skilled in the art should also understand the scope of the present invention without inventively designing the similar structure and embodiments of the present invention without departing from the spirit of the present invention.

Claims

1. The utility model provides a miniature excavator is with railway construction walking auxiliary driving wheel, its uses the cooperation with the excavator, the excavator includes frame (1) and sets up in frame (1) both sides and through sprocket (3) drive gyration track (2), its characterized in that: comprises a driving wheel set (5) and a driven wheel set (6) which are arranged at the left and right outer sides of the crawler belt (2);

the driving wheel set (5) comprises a connecting cylinder (7), a transmission disc (9) and a driving wheel (12), the connecting cylinder (7) is coaxially and fixedly connected with the chain wheel (3) and extends outwards, a driving shaft (11) is arranged on the driving wheel (12) and is coaxially and pivotally arranged with the connecting cylinder (7) through a mounting seat (8), and the transmission disc (9) is mounted on the end face of the driving shaft (11) and is in transmission connection with the connecting cylinder (7);

the driven wheel set (6) comprises a fixed shaft (13) fixedly connected with the excavator, and a driven wheel (14) is rotatably arranged on the fixed shaft (13).

2. The railway construction running auxiliary driving wheel for the mini-excavator according to claim 1, wherein: the mounting seat (8) is fixedly arranged on the frame (1), a shaft sleeve (10) is arranged in the mounting seat (8), the shaft sleeve (10) and the connecting cylinder (7) are coaxial, the driving shaft (11) is rotatably arranged in the shaft sleeve (10), the transmission disc (9) is fixedly arranged at the inward end of the driving shaft (11), and the driving wheel (12) is fixedly connected with the outward end of the driving shaft (11).

3. The railway construction running auxiliary driving wheel for the mini-excavator according to claim 2, wherein: a plurality of convex teeth (15) are uniformly distributed on the outer end face of the connecting cylinder (7), and grooves (16) meshed with the convex teeth (15) are formed in the periphery of the transmission disc (9).

4. The running auxiliary driving wheel for railway construction of a mini excavator according to claim 2, wherein: the mounting seat (8) comprises a fixing plate (18) and a mounting plate (19), the fixing plate (18) is welded to the frame (1), and the mounting plate (19) is detachably connected with the fixing plate (18) and is provided with a through hole for mounting the shaft sleeve (10).

5. The railway construction running auxiliary driving wheel for the mini-excavator according to claim 4, wherein: the bearing (20) is arranged in the shaft sleeve (10), the bearing (20) is rotatably connected with the driving shaft (11), and framework oil seals (21) are arranged on two sides of the bearing (20).

6. The railway construction running auxiliary driving wheel for the mini-excavator according to claim 1, wherein: the driving wheel (12) and the driven wheel (14) are coated with rubber buffer layers (17).

7. The railway construction running auxiliary driving wheel for the mini-excavator according to claim 1, wherein: a dozer blade (4) is further arranged on the front side or the rear side of the frame (1), and the fixed shaft (13) is horizontally and fixedly installed at the left end and the right end of the dozer blade (4).