CN211016635U

CN211016635U - Crawler-type tractor

Info

Publication number: CN211016635U
Application number: CN201922452391.1U
Authority: CN
Inventors: 洪锁; 徐存俊; 肖红升; 张大伟; 颜众
Original assignee: Nantong Hongwei Intelligent Technology Co Ltd
Current assignee: Nantong Hongwei Intelligent Technology Co Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-07-14
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a crawler-type tractor, relate to tractor technical field, the utility model discloses an upper bracket, the lower carriage, the action wheel, follower and track, the upper bracket back is fixed with the transmission case, it has the transmission shaft to run through on the transmission case, the transmission shaft is located the outside one end of transmission case and is fixed with the drive wheel, the transmission shaft is located the transmission incasement portion and is fixed with the gear on the surface, the transmission roof portion, the bottom runs through respectively has the last rack with gear engagement, the lower rack, the one end that the gear was kept away from to last rack, lower rack all is fixed with "L" shape connecting rod, "L" shape connecting rod is fixed with the bracing piece that runs through the upper bracket, the one end that "L" shape connecting rod was kept away from to the bracing piece is fixed with the dead lever, the utility model discloses roller support frame of two directions about accurately controlling is highly uniform together with the roller after descending, and the central point of each roller puts at same horizontal.

Description

Crawler-type tractor

Technical Field

The utility model belongs to the technical field of crawler-type tractor, especially, relate to a crawler-type tractor.

Background

The crawler-type tractor is special equipment for manufacturing cables, is used for dragging the cables, and mainly comprises an upper frame 1, a lower frame 2, a driving wheel 3, a driven wheel 4, a compacting cylinder group, a tensioning cylinder, a crawler 5, a transmission device and the like as shown in figures 1 and 2; the working principle is as follows: four traction wheels are arranged on the upper frame 1, the left end and the right end of the upper frame are respectively provided with two traction wheels, namely a driving wheel 3 and a driven wheel 4, and the functions of the driving wheel 3 and the driven wheel 4 can be interchanged: which end is active or passive, look at the run of the cable. Once the position of the driving wheel 3 is determined, the position of the transmission mechanism is also determined. The position of the driving wheel 3 cannot be changed after being determined, and the driving wheel can drive the crawler belt 5 to rotate after rotating; a tensioning cylinder is arranged at the back of the driven wheel 4, and the upper and lower driven wheels can swing left and right through a rocker mechanism, so that the aim of tensioning the crawler 5 between the driving wheel 3 and the driven wheels 4 is fulfilled. The upper frame 1 is also provided with an upper group and a lower group of longitudinal air cylinders 21, and the number of the groups of the air cylinders is related to the contact length and the traction force required by the cable. When the tractor works, the longitudinal cylinders 6 act, each cylinder drives a group of small rollers 23 through the roller supporting plate 22, and the small rollers 23 support the crawler 5. When the cylinder shaft extends outwards, the two crawler belts are driven to approach to the central line position, so that the cable is clamped between the upper crawler belt and the lower crawler belt. And meanwhile, the tensioning cylinder acts to tension the upper and lower crawler belts. The action wheel rotates, and the track rotates along with, and two tracks just like this press from both sides the cable, move along the horizontal direction, realize the function of traction cable. A pair of gears with the same diameter are arranged behind the two driving wheels, so that the two driving wheels can rotate synchronously and rotate in opposite directions.

In the process of machining and assembling the tractor, the mounting position of each cylinder cannot be absolutely consistent. The centers of all the small rollers cannot be in a straight line when the cylinder works, and the manufacture of cables with higher requirements, such as radio frequency cables, is not suitable for the tractor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a crawler-type tractor has solved current running roller central point and has put unanimously, the problem of the cable production that does not adapt to high quality requirement.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a crawler-type tractor, including upper frame, lower frame, action wheel, follower and track, the upper frame back is fixed with the transmission case, it has the transmission shaft to run through on the transmission case, the one end that the transmission shaft is located the transmission case outside is fixed with the drive wheel, the transmission shaft is located the surface of transmission case inside and is fixed with the gear, transmission case top, bottom run through respectively have with gear engagement's last rack, lower rack;

an L-shaped connecting rod is fixed at one end of each of the upper rack and the lower rack far away from the gear, a supporting rod penetrating through the upper rack is fixed on the L-shaped connecting rod, and a fixing rod is fixed at one end of the supporting rod far away from the L-shaped connecting rod.

Furthermore, one end, far away from the support rod, of the fixing rod is fixed with a roller support frame, and a roller is rotatably connected to the roller support frame.

Furthermore, a sliding groove matched with the supporting rod is formed in the upper frame.

Furthermore, a support is fixed on one surface of the upper rack, a reinforcing plate is fixed on the support, and a guide groove matched with the support rod is formed in the reinforcing plate.

The utility model discloses following beneficial effect has:

1. the utility model discloses the roller support frame of two directions about accurately controlling is highly uniform together with the roller after descending, and the central point of each roller puts at same horizontal position, adapts to the cable production of high quality requirement.

2. The utility model discloses compact structure can drive simultaneously through using the motor, and the high adjustment of degree of automation is convenient.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic diagram of a prior art structure;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

FIG. 3 is a schematic structural view of a crawler-type tractor according to the present invention;

FIG. 4 is a schematic cross-sectional view of FIG. 3;

fig. 5 is a rear view of a portion of the structure of fig. 3.

In the drawings, the components represented by the respective reference numerals are listed below:

1-upper frame, 2-lower frame, 3-driving wheel, 4-driven wheel, 5-crawler belt, 6-transmission box, 7-transmission shaft, 8-driving wheel, 9-gear, 10-upper rack, 11-lower rack, 12- 'L' -shaped connecting rod, 13-supporting rod, 14-fixed rod, 15-roller supporting frame, 16-roller, 17-sliding groove, 18-bracket, 19-reinforcing plate, 20-guide groove, 21-longitudinal cylinder, 22-cylinder through roller supporting plate and 23-small roller.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 3-5, the present invention relates to a crawler tractor, which comprises an upper frame 1, a lower frame 2, a driving wheel 3, a driven wheel 4 and a crawler 5, wherein a transmission case 6 is fixed on the back of the upper frame 1, a transmission shaft 7 penetrates through the transmission case 6, a driving wheel 8 is fixed on one end of the transmission shaft 7 located outside the transmission case 6, the driving wheel 8 is a sprocket or a belt pulley, and is connected with an external motor through a transmission chain or a belt, a gear 9 is fixed on the surface of the transmission shaft 7 located inside the transmission case 6, and an upper rack 10 and a lower rack 11 meshed with the gear 9 penetrate through the top and the bottom of the transmission case 6 respectively.

An L-shaped connecting rod 12 is fixed at one end of each of the upper rack 10 and the lower rack 11 far away from the gear 9, a supporting rod 13 penetrating through the upper frame 1 is fixed on the L-shaped connecting rod 12, and a fixing rod 14 is fixed at one end of the supporting rod 13 far away from the L-shaped connecting rod 12.

Wherein, the roller support frame 15 is fixed on one end of the fixing rod 14 far away from the support rod 13, and the roller 16 is rotatably connected on the roller support frame 15.

Wherein, the upper frame 1 is provided with a sliding chute 17 matched with the supporting rod 13.

Wherein, a bracket 18 is fixed on one surface of the upper frame 1, a reinforcing plate 19 is fixed on the bracket 18, and a guide groove 20 matched with the support rod 13 is arranged on the reinforcing plate 19.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a crawler-type tractor, includes frame (1), lower frame (2), action wheel (3), driven wheel (4) and track (5), its characterized in that: a transmission case (6) is fixed on the back of the upper rack (1), a transmission shaft (7) penetrates through the transmission case (6), a driving wheel (8) is fixed at one end, located outside the transmission case (6), of the transmission shaft (7), a gear (9) is fixed on the surface, located inside the transmission case (6), of the transmission shaft (7), and an upper rack (10) and a lower rack (11) meshed with the gear (9) penetrate through the top and the bottom of the transmission case (6) respectively;

an L-shaped connecting rod (12) is fixed at one end of each of the upper rack (10) and the lower rack (11) far away from the gear (9), a supporting rod (13) penetrating through the upper rack (1) is fixed on the L-shaped connecting rod (12), and a fixing rod (14) is fixed at one end of the supporting rod (13) far away from the L-shaped connecting rod (12).

2. The crawler-type tractor according to claim 1, characterized in that a roller support frame (15) is fixed to one end of the fixing rod (14) far away from the support rod (13), and a roller (16) is rotatably connected to the roller support frame (15).

3. The crawler-type tractor according to claim 1, characterized in that the upper frame (1) is provided with a sliding groove (17) which is matched with the supporting rod (13).

4. A crawler-type tractor according to claim 1, characterized in that a support (18) is fixed on one surface of the upper frame (1), a reinforcing plate (19) is fixed on the support (18), and a guide groove (20) matched with the support rod (13) is formed on the reinforcing plate (19).