CN220227371U - Tensioning oil cylinder for crawler excavator - Google Patents

Abstract

The utility model discloses a tensioning cylinder for a crawler excavator, which comprises a tensioning cylinder body, wherein a fixed plate is arranged on the right side of the tensioning cylinder body, a fixed screw is fixedly connected to an inner cavity of the fixed plate, a fixed block is fixedly connected to the right side of the tensioning cylinder body, a fixed box is arranged at the bottom of the left side of the tensioning cylinder body, a motor is fixedly connected to an inner cavity of the fixed box, a driving gear is fixedly connected to the output end of the motor, a driven gear is meshed with the surface of the driving gear, and a threaded rod is fixedly connected to the inner cavity of the driven gear. According to the utility model, the tensioning oil cylinder body, the fixing plate, the fixing screw rod, the fixing block, the fixing box, the motor, the driving gear, the driven gear, the threaded rod, the threaded sleeve, the mounting plate, the mounting block and the limiting block are matched for use, so that the tensioning oil cylinder body can be conveniently and rapidly mounted and dismounted, the tensioning oil cylinder body can be conveniently replaced or maintained, and the practicability is improved.

Description

Tensioning oil cylinder for crawler excavator

Technical Field

The utility model relates to the technical field of oil cylinders, in particular to a tensioning oil cylinder for a crawler excavator.

Background

In a small crawler excavator, a guide wheel is used for guiding a crawler, a tensioning oil cylinder is used for buffering the walking impact of the crawler, the guide wheel is connected with the tensioning oil cylinder through a connecting device, so that the functions of adjusting the tensioning degree and the access angle of the crawler are achieved, the important functions of the walking trafficability and smoothness of a crawler travelling device are achieved, the tensioning oil cylinder is generally directly fixed through bolts in the use process, the tensioning oil cylinder is damaged and maintained, the bolts which are required to be detached for maintenance are needed, the maintenance efficiency is reduced, and the tensioning oil cylinder for the crawler excavator is provided for solving the problems.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model aims to provide the tensioning oil cylinder for the crawler excavator, which has the advantage of convenience and rapidness in disassembly and maintenance.

(II) technical scheme

The utility model provides the following technical scheme for realizing the purpose, namely the tensioning oil cylinder for the crawler excavator, which comprises the following technical scheme: including the tight hydro-cylinder body that rises, the right side of tight hydro-cylinder body that rises is provided with the fixed plate, the inner chamber fixedly connected with fixing screw of fixed plate, the right side fixedly connected with fixed block of tight hydro-cylinder body that rises, the left bottom of tight hydro-cylinder body that rises is provided with the fixed box, the inner chamber fixedly connected with motor of fixed box, the output fixedly connected with driving gear of motor, the surface engagement of driving gear has driven gear, driven gear's inner chamber fixedly connected with threaded rod, threaded rod's surface screw thread connection has the thread bush, the surface fixedly connected with mounting panel of thread bush, the top fixedly connected with installation piece of mounting panel, the left side fixedly connected with stopper of tight hydro-cylinder body that rises.

Preferably, the fixing plate is L-shaped, and the fixing plate is fixedly connected through a first fixing bolt.

As a preferable scheme, a fixed jack matched with the fixed screw is formed in the surface of the fixed block, and a fixed nut is connected to the surface of the fixed screw in a threaded manner.

As the preferred scheme, the front side and the rear side of fixed case are all fixedly connected with limiting plate, spacing through-hole has been seted up to limiting plate's surface, and limiting through-hole's inner chamber is provided with second fixing bolt, the top fixedly connected with baffle of limiting plate.

Preferably, the threaded rod is movably connected with the fixed box through a bearing, and the number of the mounting blocks is four.

As the preferable scheme, the bottom of stopper is offered and is installed the recess with installation piece looks adaptation, driving gear and driven gear are the conical gear.

As the preferable scheme, the inner cavity of the fixed box is fixedly connected with a limiting rod, and the limiting rod is in sliding connection with the mounting plate.

(III) beneficial effects

Compared with the prior art, the utility model provides the tensioning oil cylinder for the crawler excavator, which has the following beneficial effects.

1. Through the cooperation of tight hydro-cylinder body that rises, fixed plate, fixing screw, fixed block, fixed box, motor, driving gear, driven gear, threaded rod, thread bush, mounting panel, installation piece and stopper use, can make things convenient for quick installation and dismantlement tight hydro-cylinder body that rises, conveniently change or maintain tight hydro-cylinder body that rises, improve the practicality.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic top cross-sectional view of a mounting block of the present utility model;

FIG. 3 is a schematic view showing the internal structure of the stationary box of the present utility model;

fig. 4 is an enlarged view of the utility model at a in fig. 2.

In the figure: 1. a tensioning cylinder body; 2. a fixing plate; 3. a fixed screw; 4. a fixed block; 5. a fixed box; 6. a motor; 7. a drive gear; 8. a driven gear; 9. a threaded rod; 10. a thread sleeve; 11. a mounting plate; 12. a mounting block; 13. a limiting block; 14. a fixed jack; 15. a fixing nut; 16. a limiting plate; 17. a baffle; 18. and a limit rod.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-4, the present utility model: the utility model provides a crawler-type excavator is with tight hydro-cylinder that rises, including rising tight hydro-cylinder body 1, the right side of rising tight hydro-cylinder body 1 is provided with fixed plate 2, the inner chamber fixedly connected with dead bolt 3 of fixed plate 2, the right side fixedly connected with fixed block 4 of rising tight hydro-cylinder body 1, the left bottom of rising tight hydro-cylinder body 1 is provided with fixed box 5, the inner chamber fixedly connected with motor 6 of fixed box 5, the output fixedly connected with driving gear 7 of motor 6, the surface engagement of driving gear 7 has driven gear 8, the inner chamber fixedly connected with threaded rod 9 of driven gear 8, the surface screw thread connection of threaded rod 9 has thread bush 10, the surface fixedly connected with mounting panel 11 of thread bush 10, the top fixedly connected with installation piece 12 of mounting panel 11, the left side fixedly connected with stopper 13 of rising tight hydro-cylinder body 1.

The fixing plate 2 is L-shaped, and the fixing plate 2 is fixedly connected through a first fixing bolt;

the surface of the fixed block 4 is provided with a fixed jack 14 matched with the fixed screw 3, and the surface of the fixed screw 3 is in threaded connection with a fixed nut 15;

by arranging the fixing insertion hole 14 and the fixing nut 15, the right side of the tensioning oil cylinder body 1 can be quickly fixed.

The front side and the rear side of the fixed box 5 are fixedly connected with a limiting plate 16, a limiting through hole is formed in the surface of the limiting plate 16, a second fixing bolt is arranged in the inner cavity of the limiting through hole, and the top of the limiting plate 16 is fixedly connected with a baffle 17;

through setting up limiting plate 16, the fixed case 5 of installation that can be quick, through setting up baffle 17, conveniently spacing stopper 13.

The threaded rod 9 is movably connected with the fixed box 5 through bearings, and the number of the mounting blocks 12 is four;

the bottom of the limiting block 13 is provided with a mounting groove matched with the mounting block 12, and the driving gear 7 and the driven gear 8 are conical gears;

the inner cavity of the fixed box 5 is fixedly connected with a limiting rod 18, and the limiting rod 18 is in sliding connection with the mounting plate 11;

by providing the stopper rod 18, the threaded bushing 10 can be restricted.

The working principle of the utility model is as follows: when the tensioning cylinder body 1 needs to be installed, the fixed block 4 on the right side of the tensioning cylinder body 1 is pushed to the fixed plate 2, the fixed screw 3 on the fixed plate 2 is inserted into the corresponding fixed insertion hole 14 and fixed by the fixed nut 15, the motor 6 is started after the limiting block 13 on the left side of the tensioning cylinder body 1 is contacted with the baffle 17, the motor 6 drives the threaded rod 9 to rotate through the driving gear 7 and the driven gear 8, the threaded rod 9 drives the installation plate 11 to move upwards through the thread bush 10, the installation plate 11 drives the installation block 12 to move upwards, the installation block 12 is inserted into the installation groove upwards, the tensioning cylinder body 1 is installed at the moment, and when maintenance needs to be disassembled, the above steps are performed in a reverse direction.

Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.

Claims (7)

1. The utility model provides a crawler-type excavator is with tight hydro-cylinder that rises, includes tight hydro-cylinder body (1), its characterized in that: the hydraulic tensioning cylinder comprises a tensioning cylinder body (1), wherein a fixing plate (2) is arranged on the right side of the tensioning cylinder body (1), a fixing screw rod (3) is fixedly connected to an inner cavity of the fixing plate (2), a fixing block (4) is fixedly connected to the right side of the tensioning cylinder body (1), a fixing box (5) is arranged at the left bottom of the tensioning cylinder body (1), a motor (6) is fixedly connected to the inner cavity of the fixing box (5), a driving gear (7) is fixedly connected to the output end of the motor (6), a driven gear (8) is meshed with the surface of the driving gear (7), a threaded rod (9) is fixedly connected to the inner cavity of the driven gear (8), a threaded sleeve (10) is connected to the surface of the threaded rod (9), a mounting plate (11) is fixedly connected to the surface of the threaded sleeve (10), a mounting block (12) is fixedly connected to the top of the mounting plate (11), and a limiting block (13) is fixedly connected to the left side of the tensioning cylinder body (1).

2. The tensioning cylinder for a crawler excavator according to claim 1, wherein: the fixing plate (2) is L-shaped, and the fixing plate (2) is fixedly connected through a first fixing bolt.

3. The tensioning cylinder for a crawler excavator according to claim 1, wherein: the surface of the fixed block (4) is provided with a fixed jack (14) matched with the fixed screw (3), and the surface of the fixed screw (3) is connected with a fixed nut (15) in a threaded manner.

4. The tensioning cylinder for a crawler excavator according to claim 1, wherein: the front side and the rear side of the fixed box (5) are fixedly connected with limiting plates (16), limiting through holes are formed in the surfaces of the limiting plates (16), second fixing bolts are arranged in inner cavities of the limiting through holes, and baffle plates (17) are fixedly connected to the tops of the limiting plates (16).

5. The tensioning cylinder for a crawler excavator according to claim 1, wherein: the threaded rod (9) is movably connected with the fixed box (5) through bearings, and the number of the installation blocks (12) is four.

6. The tensioning cylinder for a crawler excavator according to claim 1, wherein: the bottom of stopper (13) is offered and is installed the mounting groove of piece (12) looks adaptation, driving gear (7) and driven gear (8) are the conical gear.

7. The tensioning cylinder for a crawler excavator according to claim 1, wherein: the inner cavity of the fixed box (5) is fixedly connected with a limiting rod (18), and the limiting rod (18) is in sliding connection with the mounting plate (11).