Track assembly with tensioning mechanism

Abstract

The utility model relates to the technical field of track assemblies with tensioning mechanisms, in particular to a track assembly with a tensioning mechanism, which comprises a support frame, a lower roller is mounted at the bottom of the inner side of the support frame, a first connecting block is mounted on the lower roller, connecting rods are mounted on two narrower side surfaces of the periphery of the support frame, and the first connecting block is connected with the connecting rods. A pressure sensor, an electric telescopic air cylinder, a spring, a fixing block, a fourth connecting block, a tensioning wheel and a crawler belt are arranged on the upper portion of the supporting frame, a second connecting block is installed on the long side face of the periphery of the connecting rod, a side wheel is installed in the connecting rod, and a cavity is formed in the top of the supporting frame. According to the crawler belt assembly with the tensioning mechanism, an appropriate tensioning pressure value can be set for adjustment, the situation that the tensioning degree is manually debugged for multiple times is avoided, manpower and time cost can be greatly saved, and meanwhile using is more flexible and convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of a crawler track assembly with a tensioning mechanism, in particular to a crawler track assembly with a tensioning mechanism. Background Art

[0002] In winter, especially in most areas of northern China, where there is often ice and snow, ordinary tires cannot meet the needs of normal vehicle driving, and vehicles often slip. When the existing track wheel assembly is driving on ordinary roads, the vehicle vibrates greatly; when the vehicle is driving, the track becomes loose, and since there is no automatic tensioning mechanism function, the vehicle needs to stop to adjust.

[0003] And in the application document with publication number CN216185580U, a track assembly with a tensioning mechanism is mentioned. The track can be driven to rotate by the driving wheel, and the tensioning mechanism function can be automatically adjusted by the tensioning component. The vehicle does not need to stop for adjustment. The tensioning rubber wheel and the load-bearing rubber wheel can reduce the vibration of the vehicle when driving on ordinary roads, and the anti-skid strip can increase the track walking time. However, there are still certain defects that need to be optimized. The specific defects are as follows: The existing track assembly cannot set the tensioning force, so the adjustment is more complicated and requires multiple debugging. Utility Model Content

[0004] The purpose of the utility model is to provide a crawler assembly with a tensioning mechanism to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] The cam is provided with a plurality of rollers, and a plurality of rollers are provided on the cam, and a plurality of rollers are provided on the cam, and a plurality of rollers are provided on the cam.

[0007] As a preferred solution of the utility model, the first connecting block penetrates the outer wall of the support frame for rotational connection, wherein the lower roller is rotationally connected to the inner side of the bottom of the support frame.

[0008] As a preferred solution of the utility model, the second connecting block passes through the connecting rod and is connected to the side wheels, wherein the second connecting block and the side wheels are respectively rotatably connected to the connecting rod.

[0009] As a preferred solution of the utility model, the third connecting block penetrates the support frame for rotational connection, wherein the upper roller is rotationally connected inside the cavity.

[0010] As a preferred solution of the utility model, the pressure sensor and the electric telescopic cylinder are electrically connected to the outside respectively.

[0011] As a preferred solution of the utility model, the fourth connecting block passes through the fixed block and is connected to the tensioning wheel, wherein the fourth connecting block and the tensioning wheel are respectively rotatably connected to the fixed block.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] In the utility model, a track assembly with a tensioning mechanism is set up, and a pressure sensor, an electric telescopic cylinder, a spring, a fixed block, a fourth connecting block, a tensioning wheel, and a track are used to make the track assembly with a tensioning mechanism. The staff can adjust the tension of the track through the control device on the vehicle body. When the tension is small, the staff can set the tensioning pressure value by clicking the control device. After the setting is completed, the start button is clicked, so that the electric telescopic cylinder is operated to push the fixed block, so that the spring is extended. At the same time, the fixed block drives the fourth connecting block and the tensioning wheel to move and expand to both sides of the support frame, so that the track expands. When it expands to the set tensioning pressure value, the track expands. value, the pressure on the track will squeeze the fourth connecting block through the tensioning wheel, and at the same time, the pressure on the fourth connecting block will pass through the fixed block and the electric telescopic cylinder. The force pressure on the electric telescopic cylinder will squeeze the pressure sensor, and at the same time, the pressure will be sensed by the pressure sensor. When the pressure sensor senses that the set pressure value has been reached, a command will be initiated to stop the extension of the electric telescopic cylinder. When the tensioning force is too tight, the staff can also set the pressure value by clicking on the control device and adjust it. The appropriate tensioning pressure value can be set for adjustment, avoiding manual multiple adjustments of the tension, which can greatly save manpower and time costs, and is more flexible and convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2It is a schematic diagram of the enlarged structure of the utility model A-1;

[0016] Figure 3 It is an enlarged structural diagram of the limit rod, pressure sensor, electric telescopic cylinder, etc. of the utility model.

[0017] In the figure: 1. support frame; 2. lower roller; 3. first connecting block; 4. connecting rod; 5. second connecting block; 6. side wheel; 7. cavity; 8. upper roller; 9. third connecting block; 10. limit rod; 11. pressure sensor; 12. electric telescopic cylinder; 13. spring; 14. fixing block; 15. fourth connecting block; 16. tension wheel; 17. track. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0019] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively with reference to the relevant drawings below. Several embodiments of the utility model are given. However, the utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0020] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0022] For examples, see Figure 1-3 , the utility model provides a technical solution:

[0023] A crawler assembly with a tensioning mechanism comprises a support frame 1, a lower roller 2 is installed at the bottom of the inner side of the support frame 1, a first connecting block 3 is installed on the lower roller 2, connecting rods 4 are installed on the two narrower sides of the outer periphery of the support frame 1, a second connecting block 5 is installed on the longer side of the outer periphery of the connecting rod 4, a side wheel 6 is installed inside the connecting rod 4, a cavity 7 is opened at the top of the support frame 1, an upper roller 8 is installed inside the cavity 7, a third connecting block 9 is installed on the upper roller 8, and a limited position is installed on the outer periphery of the support frame 1 and directly above the connecting rod 4 Rod 10, a pressure sensor 11 is installed on the periphery of the limit rod 10 and at one end away from the support frame 1, an electric telescopic cylinder 12 is installed on the periphery of the pressure sensor 11 and at one end away from the limit rod 10, a spring 13 is sleeved and installed on the outer wall of the electric telescopic cylinder 12, a fixing block 14 is installed on the periphery of the electric telescopic cylinder 12 and at one end away from the pressure sensor 11, a fourth connecting block 15 is installed on the fixing block 14, a tensioning wheel 16 is installed inside the fixing block 14, and a crawler 17 is sleeved and installed on the outer wall of the tensioning wheel 16;

[0024] The first connecting block 3 penetrates the outer wall of the support frame 1 for rotational connection, wherein the lower roller 2 is rotationally connected to the inner side of the bottom of the support frame 1, so that the roller 2 can rotate, the second connecting block 5 penetrates the connecting rod 4 and is connected to the side wheel 6, wherein the second connecting block 5 and the side wheel 6 are respectively rotationally connected to the connecting rod 4, so that the second connecting block 5 and the side wheel 6 can rotate on the connecting rod 4, the third connecting block 9 penetrates the support frame 1 for rotational connection, wherein the upper roller 8 is rotationally connected inside the cavity 7, so that the roller 8 can rotate in the cavity 7, the pressure sensor 11 and the electric telescopic cylinder 12 are respectively electrically connected to the outside, and after power is turned on, the outside can control the electrical equipment, the fourth connecting block 15 penetrates the fixed block 14 and is connected to the tensioning wheel 16, wherein the fourth connecting block 15 and the tensioning wheel 16 are respectively rotationally connected to the fixed block 14, so that the fourth connecting block 15 and the tensioning wheel 16 can rotate on the fixed block 14.

[0025] The working process of the utility model is as follows: when using a crawler assembly with a tensioning mechanism, first move the device to a suitable position, and then connect the crawler assembly to the vehicle body after the movement is completed. After the connection is completed, the staff can adjust the tension of the crawler 17 through the control device on the vehicle body. When the tension is small, the staff can set the tensioning pressure value by clicking the control device. After the setting is completed, click the start button, so that the electric telescopic cylinder 12 runs and pushes the fixed block 14, so that the spring 13 extends. At the same time, the fixed block 14 drives the fourth connecting block 15 and the tensioning wheel 16 to move and expand to both sides of the support frame 1, so that the crawler 17 expands. When it expands to the set tensioning pressure value, the pressure on the crawler 17 will squeeze the fourth connecting block 15 through the tensioning wheel 16. At the same time, the pressure on the fourth connecting block 15 will pass through the fixed block 14 and the electric telescopic cylinder 12, and the force pressure on the electric telescopic cylinder 12 will The pressure sensor 11 is squeezed, and the pressure will be sensed by the pressure sensor 11 at the same time. When the pressure sensor 11 senses that the set pressure value has been reached, a command will be issued to stop the extension of the electric telescopic cylinder 12. When the tensioning force is too tight, the staff can also set the pressure value by clicking the control device to adjust it. The track assembly of the device with a tensioning mechanism can be set to a suitable tensioning pressure value for adjustment, avoiding manual multiple adjustments of the tension, which can greatly save manpower and time costs, and is more flexible and convenient to use. The pressure sensor 11 and the electric telescopic cylinder 12 used in the utility model are existing known electrical equipment, and can be directly purchased and used on the market. Their structures, circuits, and control principles are all existing known technologies. Therefore, the structures, circuits, and control principles of the pressure sensor 11 and the electric telescopic cylinder 12 are not described here.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A crawler track assembly with a tensioning mechanism, comprising a support frame (1), characterized in that: A lower roller (2) is installed at the bottom of the inner side of the support frame (1), and a first connecting block (3) is installed on the lower roller (2). Connecting rods (4) are installed on the two narrower side surfaces of the outer periphery of the support frame (1), and a second connecting block (5) is installed on the longer side surface of the outer periphery of the connecting rod (4). Side wheels (6) are installed inside the connecting rod (4). A cavity (7) is opened at the top of the support frame (1), and an upper roller (8) is installed inside the cavity (7). A third connecting block (9) is installed on the upper roller (8). A limiting rod (10) is installed on the outer periphery of the support frame (1) and directly above the connecting rod (4). A pressure sensor (11) is installed on the periphery of the limit rod (10) and at one end away from the support frame (1); an electric telescopic cylinder (12) is installed on the periphery of the pressure sensor (11) and at one end away from the limit rod (10); a spring (13) is sleeved and installed on the outer wall of the electric telescopic cylinder (12); a fixing block (14) is installed on the periphery of the electric telescopic cylinder (12) and at one end away from the pressure sensor (11); a fourth connecting block (15) is installed on the fixing block (14); a tension wheel (16) is installed inside the fixing block (14); and a crawler (17) is sleeved and installed on the outer wall of the tension wheel (16).

2. A crawler track assembly with a tensioning mechanism according to claim 1, characterized in that: The first connection block (3) penetrates the outer wall of the support frame (1) for rotational connection, wherein the lower roller (2) is rotationally connected to the inner side of the bottom of the support frame (1).

3. A crawler track assembly with a tensioning mechanism according to claim 1, characterized in that: The second connecting block (5) passes through the connecting rod (4) and is connected to the side wheel (6), wherein the second connecting block (5) and the side wheel (6) are respectively rotatably connected to the connecting rod (4).

4. A crawler track assembly with a tensioning mechanism according to claim 1, characterized in that: The third connection block (9) penetrates the support frame (1) for rotational connection, wherein the upper roller (8) is rotationally connected inside the cavity (7).

5. The crawler track assembly with a tensioning mechanism according to claim 1, characterized in that: The pressure sensor (11) and the electric telescopic cylinder (12) are respectively electrically connected to the outside.

6. A crawler track assembly with a tensioning mechanism according to claim 1, characterized in that: The fourth connecting block (15) passes through the fixed block (14) and is connected to the tensioning wheel (16), wherein the fourth connecting block (15) and the tensioning wheel (16) are respectively rotatably connected to the fixed block (14).

Images