CN202765124U - Fork-shaped frame - Google Patents
Fork-shaped frame Download PDFInfo
- Publication number
- CN202765124U CN202765124U CN 201220407646 CN201220407646U CN202765124U CN 202765124 U CN202765124 U CN 202765124U CN 201220407646 CN201220407646 CN 201220407646 CN 201220407646 U CN201220407646 U CN 201220407646U CN 202765124 U CN202765124 U CN 202765124U
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- track
- support
- crawler belt
- fixed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model relates to a vehicle part, in particular to a vehicle track part. A fork-shaped frame comprises a U-shaped support, the front end of the support is fixedly provided with a rotating shaft which is provided with a tension roller which is placed in the middle of the support, the periphery of the tension roller is provided with a chain wheel in a sleeved mode, and the chain wheel is meshed with a track. The support is provided with a lifting hole. After the structure is used, the chain wheel is matched with the track, the chain wheel supports the track to protrude outward, and accordingly the perimeter of the track is increased, and the track is kept in a strained state. Meanwhile, a mounting base seat of the rotating shaft can be dismantled to replace chain wheels with different types to adapt to tracks with different types. The fork-shaped frame is simple in structure, convenient and fast to mount and replace, and can effectively prolong the service life of the track.
Description
Technical field
The utility model relates to a kind of crawler belt accessory of engineering truck accessory, particularly a kind of engineering truck.
Background technology
A lot of large engineering vehicles all uses crawler belt now, because the area of contact of crawler belt is large, pressure is little, like this so that advancing of engineering truck is more steady.But the wide phenomenon of prolonging can appear in crawler belt after long-term the use, affects the normal operation of vehicle.
Summary of the invention
The utility model technical issues that need to address provide a kind of vehicle body fittings that makes crawler belt keep tight state.
For solving above-mentioned technical matters, the utility model forked frame comprises " U " shape support, and described support front end is fixed with rotating shaft, is provided with in the described rotating shaft to be in the middle expansion tightening wheel of support, and described expansion tightening wheel outer rim is set with the sprocket wheel with the crawler belt engagement; Have hole for hoist on the described support.
Described support front end is fixed with detachable rotating shaft mounting base, and described rotating shaft is fixed on the detachable rotating shaft mounting base.
The described support left and right sides is provided with reinforced rib.
Described frame bottom has groove, is fixed with spring in the groove.
After adopting said structure, match with crawler belt by sprocket wheel, it is outwards outstanding that sprocket wheel supports crawler belt, so just increased the girth of crawler belt, makes crawler belt keep tight state.Simultaneously, can change by detachable rotating shaft mounting base the sprocket wheel of different model, to adapt to the crawler belt of different model.Forked frame of the present utility model is simple in structure, and it is convenient to install and change, and can actv. prolongs the service life of crawler belt.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is the cutaway view of the utility model forked frame.
Fig. 2 is the assembling schematic diagram of the utility model expansion tightening wheel and sprocket wheel.
Among the figure: 1 is support, and 2 are the rotating shaft mounting base, and 3 are rotating shaft, and 4 is expansion tightening wheel, and 5 is sprocket wheel, and 6 is hole for hoist, and 7 is spring, and 8 is reinforced rib
The specific embodiment
Forked frame as shown in Figure 1 comprises " U " shape support 1, and described support 1 front end is fixed with detachable rotating shaft mounting base 2, and described rotating shaft 3 is fixed on the detachable rotating shaft mounting base 2.Top in " U " shape support 1 both sides has screw, screw is passed detachable rotating shaft mounting base 2 be fixed on the support 1.Such fixed form also can be changed the expansion tightening wheel of different model and the wheels of sprocket wheel, to adapt to the crawler belt of the used different model of various engineering trucks very easily so that the dismounting of rotating shaft mounting base 2 and installation are more convenient.
Be provided with in the described rotating shaft 3 and be in the middle expansion tightening wheel 4 of support, described expansion tightening wheel 4 outer rims are set with the sprocket wheel 5 with the crawler belt engagement, first sprocket wheel 5 is sleeved on expansion tightening wheel 4 outer rims, then the fabricate block of sprocket wheel 5 with expansion tightening wheel 4 is placed in the rotating shaft 3, then rotating shaft 3 is fixed on the detachable rotating shaft mounting base 2.For whole forked frame is fixed on the vehicle, have hole for hoist 6 at described support 1.Described support 1 left and right sides is provided with reinforced rib 8, so that forked frame more stable and stronger more.
When fixing forked frame, so that sprocket wheel 5 supports crawler belts is outwards outstanding, sprocket wheel 5 rotates and can drive crawler belts and rotate so on the one hand, moves before and after making vehicle; Sprocket wheel 5 supports the outwards outstanding girth that has increased crawler belt of crawler belt on the other hand, so that crawler belt remains tight state.The pressure that brings to forked frame in order to cushion crawler belt has groove in described frame bottom, is fixed with spring 7 in the groove.Because vehicle at work sometimes the action larger, if crawler belt stretch tight too tightly easily to the crawler belt injury.Spring 7 both can make the sprocket wheel compressing crawler belt, can cushion crawler belt when crawler belt forms larger pressure again, well protected crawler belt, had improved the service life of crawler belt.
Certainly, spring of the present utility model also can make other applicable springings into, and the rotating shaft mounting base also can adopt other suitable detachable fixed forms, and such conversion all drops within the protection domain of the present utility model.
Claims (4)
1. forked frame, it is characterized in that: comprise " U " shape support, described support front end is fixed with rotating shaft, is provided with the expansion tightening wheel that is in the middle of the support in the described rotating shaft, and described expansion tightening wheel outer rim is set with the sprocket wheel with the crawler belt engagement; Have hole for hoist on the described support.
2. according to forked frame claimed in claim 1, it is characterized in that: described support front end is fixed with detachable rotating shaft mounting base, and described rotating shaft is fixed on the detachable rotating shaft mounting base.
3. according to forked frame claimed in claim 1, it is characterized in that: the described support left and right sides is provided with reinforced rib.
4. according to each described forked frame in the claims 1 to 3, it is characterized in that: described frame bottom has groove, is fixed with spring in the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220407646 CN202765124U (en) | 2012-08-16 | 2012-08-16 | Fork-shaped frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220407646 CN202765124U (en) | 2012-08-16 | 2012-08-16 | Fork-shaped frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202765124U true CN202765124U (en) | 2013-03-06 |
Family
ID=47771718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220407646 Expired - Lifetime CN202765124U (en) | 2012-08-16 | 2012-08-16 | Fork-shaped frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202765124U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020052013A1 (en) * | 2018-09-11 | 2020-03-19 | 中国矿业大学 | Continuous temporary roof protection apparatus for continuous mining machine, and continuous mining machine |
-
2012
- 2012-08-16 CN CN 201220407646 patent/CN202765124U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020052013A1 (en) * | 2018-09-11 | 2020-03-19 | 中国矿业大学 | Continuous temporary roof protection apparatus for continuous mining machine, and continuous mining machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130306 |
|
| CX01 | Expiry of patent term |