CN211663353U - Bulldozer track tensioning mechanism - Google Patents
Bulldozer track tensioning mechanism Download PDFInfo
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- CN211663353U CN211663353U CN201922249360.6U CN201922249360U CN211663353U CN 211663353 U CN211663353 U CN 211663353U CN 201922249360 U CN201922249360 U CN 201922249360U CN 211663353 U CN211663353 U CN 211663353U
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Abstract
The utility model provides a bull-dozer track straining device, including tension sprocket, the support arm, adjust the slide, link block, track support and track, track support's top is equipped with one and adjusts the slide, it is provided with two support arms to adjust the activity between slide and the track, the top of two support arms is provided with respectively with track matched with tension sprocket, its bottom articulates there is link block, link block slides and sets up in adjusting the slide, adjust the both sides of slide, be provided with the fixed plate on track support respectively, all be provided with horizontal spring between every fixed plate and its relative link block, be provided with the regulation pole between two link block, adjust pole including interior pole and outer tube, and the inside of pole threaded connection and outer tube in just. A bull-dozer track straining device, its reasonable in design, simple structure, the fault rate is low, can effectively promote work efficiency to and practice thrift the maintenance cost.
Description
Technical Field
The utility model relates to a bull-dozer especially relates to a bull-dozer track straining device.
Background
A bulldozer is an earthwork machine capable of excavating, transporting and discarding rock and soil, and has wide application in open-pit mines. For example, for construction of refuse dumps, levelling of automobile refuse dumps, accumulation of dispersed rock, levelling of work pans, construction sites, etc. It is not only used for auxiliary work, but also for main mining work. For example: stripping and mining of sand ore beds, traction and boosting of scraper and plough machines, reduction of stripping step height by matching with other earthwork machines in the case of non-transportation mining methods, and the like. When the bulldozer walks, the suspension amount of the crawler belt is easy to exceed the range, and when the suspension amount is too large, the crawler belt vibrates and the abrasion of the track joints, the guide wheels and the tooth surfaces of the chain wheels is aggravated, so that the phenomenon of chain dropping is easy to occur; when the suspension amount is too small, the walking driving power is increased sharply, and the phenomenon that sundries are clamped into the crawler belt is easy to occur. Therefore, the tensioning degree of the track is very important, the structure of the loosening device and the tensioning device of the track in the prior art is complex, the manufacturing cost is high, and the stretching of the electric or hydraulic telescopic rod is controlled by a central processing unit generally, so that the tensioning wheel plays a role in loosening or tensioning. The electric telescopic rod needs to be connected with a power supply device through an electric wire, the hydraulic telescopic rod needs to be connected with a hydraulic device through a hydraulic pipeline, and meanwhile, the central processing unit needs to be connected with parts such as telescopic equipment, power equipment and a control console through signal wires. The connecting circuit is complicated, the loosening and tensioning device is arranged on the crawler frame, the operation environment of the bulldozer is severe, the connecting circuit is easily damaged by sundries in the actual operation process, the failure rate is high, and the working efficiency of the bulldozer is greatly reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the weak point among the prior art, provide a bull-dozer track straining device, its reasonable in design, simple structure, the fault rate is low, can effectively promote work efficiency to and practice thrift the maintenance cost.
A bull-dozer track straining device, including tension sprocket, support arm, regulation slide, link block, track support and track, the track passes through drive assembly and sets up on track support. The top of track support be equipped with one and adjust the slide, adjust the activity between slide and the track and be provided with two support arms, two support arms cross arrangement to rotate through an axle body and connect, the top of two support arms is provided with respectively with track matched with tension sprocket, its bottom articulates there is link block, link block slides and sets up in adjusting the slide. The two sides of the adjusting slide way are respectively provided with a fixed plate on the crawler support, a horizontal spring is arranged between each fixed plate and the corresponding connecting slide block, one end of each horizontal spring is connected with the fixed plate, and the other end of each horizontal spring is connected with the connecting slide block. The adjusting rod is arranged between the two connecting sliding blocks and comprises an inner rod and an outer tube, the inner rod is in threaded connection with the inner portion of the outer tube, the inner rod is fixedly connected with one of the connecting sliding blocks, and the outer tube is rotatably connected with the other connecting sliding block through a bearing.
Furthermore, the two ends of the crawler are respectively provided with a support plate on the main machine body, the support plates are provided with two connecting rods, one ends of the two connecting rods are rotatably connected with the support plates through a shaft body, the other ends of the two connecting rods are provided with idler wheels matched with the crawler, cleaning bristles are arranged on the outer surfaces of the idler wheels, an inclined spring is arranged between the two connecting rods, and the two ends of the inclined spring are respectively connected with the two connecting rods.
Furthermore, an included angle formed between the two connecting rods is an obtuse angle.
Furthermore, the outer surface of the outer pipe is in a hexagon nut structure.
Furthermore, the adjusting slide way is a T-shaped slide way, and the connecting slide block is a T-shaped slide block matched with the adjusting slide way.
A bull-dozer track straining device, its reasonable in design, simple structure, the fault rate is low, can effectively promote work efficiency to and practice thrift the maintenance cost.
Drawings
FIG. 1 is a schematic structural view of a crawler tensioning mechanism of a bulldozer according to the present invention.
FIG. 2 is a schematic structural view of a supporting arm and a tension sprocket of a crawler tension mechanism of a bulldozer.
FIG. 3 is a schematic structural view of a connecting rod and a roller of a crawler tensioning mechanism of a bulldozer.
The crawler type crawler belt comprises a main body 1, a main body 2, a tension sprocket 3, a support arm 4, a support plate 5, a connecting rod 6, a roller 7, an inclined spring 8, an adjusting slideway 9, a connecting slide block 10, an outer pipe 11, an inner rod 12, a horizontal spring 13, a fixing plate 14, a crawler belt support 15 and a crawler belt.
Detailed Description
Referring now to the drawings in the specification, in conjunction with specific embodiments, there is illustrated the following: a bull-dozer track straining device, including tensioning sprocket 2, support arm 3, adjust slide 8, link block 9, track support 14 and track 15, track 15 passes through drive assembly and sets up on track support 14, but the bull-dozer can be referred to with track support 14's concrete structure to track 15. 14 top of track support be equipped with one and adjust slide 8, adjust the activity between slide 8 and the track 15 and be provided with two support arms 3, two support arms 3 cross arrangement to rotate through an axle body and connect, the top of two support arms 3 is provided with respectively with 15 matched with tensioning sprocket 2 of track, its bottom articulates there is link block 9, link block 9 slides and sets up in adjusting slide 8. Fixing plates 13 are respectively arranged on the two sides of the adjusting slide rail 8 on the crawler supports 14, a horizontal spring 12 is arranged between each fixing plate 13 and the corresponding connecting slide block 9, one end of each horizontal spring 12 is connected with the fixing plate 13, and the other end of each horizontal spring is connected with the corresponding connecting slide block 9. An adjusting rod is arranged between the two connecting sliding blocks 9 and comprises an inner rod 11 and an outer tube 10, the inner rod 11 is in threaded connection with the inner portion of the outer tube 10, the inner rod 11 is fixedly connected with one connecting sliding block 9, and the outer tube 10 is rotatably connected with the other connecting sliding block 9 through a bearing.
When the crawler belt needs to be tensioned, the outer pipe 10 is rotated by a wrench, and the bottom ends of the two support arms 3 are simultaneously moved inwards under the action of the outer pipe 10 and the inner rod 11, that is, the tensioning chain wheel 2 supports the crawler belt 15, so that the function of tensioning the crawler belt 15 is achieved. At the same time, the two horizontal springs 12 can play a role in limiting the position of the support arm 3, as well as a role in cushioning. The mechanism is of a mechanical structure, does not need an external power source and a control part, and is low in manufacturing cost and convenient to maintain.
Furthermore, the two ends of the track 15 are respectively provided with a support plate 4 on the main body 1 (which is a bulldozer body), the support plate 4 is provided with two connecting rods 5, one end of each connecting rod 5 is rotatably connected with the support plate 4 through a shaft body, the other end of each connecting rod is provided with a track-matched roller 6, the outer surface of each roller 6 is provided with cleaning bristles, an inclined spring 7 is arranged between the two connecting rods 5, and the two ends of each inclined spring 7 are respectively connected with the two connecting rods 5. Gyro wheel 6 and clean brush hair can play the effect of cleaning track 15, prevents that debris card from going into track 15, delays track 15, and the utility model discloses an wearing and tearing.
Furthermore, an included angle formed between the two connecting rods 5 is an obtuse angle.
Further, the outer surface of the outer tube 10 is a hexagonal nut structure.
Furthermore, the adjusting slide way 8 is a T-shaped slide way, and the connecting slide block 9 is a T-shaped slide block matched with the adjusting slide way 8.
A bull-dozer track straining device, its reasonable in design, simple structure, the fault rate is low, can effectively promote work efficiency to and practice thrift the maintenance cost.
Claims (5)
1. The utility model provides a bull-dozer track straining device, is including sprocket (2), support arm (3), slide (8), link block (9), track support (14) and track (15), and track (15) pass through drive assembly and set up on track support (14), its characterized in that: the top of the track support (14) is provided with an adjusting slide way (8), two supporting arms (3) are movably arranged between the slide way (8) and the track (15), the two supporting arms (3) are arranged in a crossed manner and are rotatably connected through a shaft body, the top ends of the two supporting arms (3) are respectively provided with a chain wheel (2) matched with the track (15), the bottom ends of the two supporting arms are hinged with a connecting slide block (9), and the connecting slide block (9) is arranged in the slide way (8) in a sliding manner; fixing plates (13) are respectively arranged on the crawler supports (14) on two sides of the slideway (8), a horizontal spring (12) is arranged between each fixing plate (13) and the corresponding connecting slide block (9), one end of each horizontal spring (12) is connected with the fixing plate (13), and the other end of each horizontal spring is connected with the connecting slide block (9); the adjusting rod is arranged between the two connecting sliding blocks (9), the adjusting rod comprises an inner rod (11) and an outer tube (10), the inner rod (11) is in threaded connection with the inner portion of the outer tube (10), the inner rod (11) is fixedly connected with one of the connecting sliding blocks (9), and the outer tube (10) is rotatably connected with the other connecting sliding block (9) through a bearing.
2. A bulldozer track tensioning mechanism according to claim 1, characterised in that: the two ends of the crawler belt (15) are respectively provided with a supporting plate (4) on the main machine body (1), the supporting plate (4) is provided with two connecting rods (5), one ends of the two connecting rods (5) are rotatably connected with the supporting plate (4) through a shaft body, the other ends of the two connecting rods are provided with crawler belt matched idler wheels (6), the outer surface of each idler wheel (6) is provided with cleaning bristles, an inclined spring (7) is arranged between the two connecting rods (5), and the two ends of each inclined spring (7) are respectively connected with the two connecting rods (5).
3. A bulldozer track tensioning mechanism according to claim 2, characterised in that: the included angle formed between the two connecting rods (5) is an obtuse angle.
4. A bulldozer track tensioning mechanism according to claim 1, characterised in that: the outer surface of the outer pipe (10) is of a hexagonal nut structure.
5. A bulldozer track tensioning mechanism according to claim 1, characterised in that: the adjusting slide way (8) is a T-shaped slide way, and the connecting slide block (9) is a T-shaped slide block matched with the adjusting slide way (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922249360.6U CN211663353U (en) | 2019-12-16 | 2019-12-16 | Bulldozer track tensioning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922249360.6U CN211663353U (en) | 2019-12-16 | 2019-12-16 | Bulldozer track tensioning mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211663353U true CN211663353U (en) | 2020-10-13 |
Family
ID=72735250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922249360.6U Active CN211663353U (en) | 2019-12-16 | 2019-12-16 | Bulldozer track tensioning mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211663353U (en) |
-
2019
- 2019-12-16 CN CN201922249360.6U patent/CN211663353U/en active Active
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