CN202944459U - Hydraulic tensioning device of paver caterpillar band - Google Patents
Hydraulic tensioning device of paver caterpillar band Download PDFInfo
- Publication number
- CN202944459U CN202944459U CN 201220571505 CN201220571505U CN202944459U CN 202944459 U CN202944459 U CN 202944459U CN 201220571505 CN201220571505 CN 201220571505 CN 201220571505 U CN201220571505 U CN 201220571505U CN 202944459 U CN202944459 U CN 202944459U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- valve
- communicated
- hydraulic
- tensioning
- 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 - Fee Related
Links
Images
Landscapes
- Fluid-Pressure Circuits (AREA)
Abstract
The utility model discloses a hydraulic tensioning device of a paver caterpillar band. The hydraulic tensioning device of the paver caterpillar band comprises a hydraulic oil pump, a third pipeline, a ninth pipeline, a hydraulic motor, a pressure-reducing valve and a hydraulic tensioning hydraulic system. The hydraulic oil pump, the third pipeline, the hydraulic motor and the ninth pipeline are connected in sequence to form a closed loop. A shuttle valve is installed on a tenth pipeline. An oil outlet of the shuttle valve is connected with an oil inlet of the pressure-reducing valve. An oil outlet of the pressure-reducing valve is connected with the hydraulic tensioning hydraulic system. The hydraulic tensioning hydraulic system comprises an oil tank and a valve block. A first overflow valve, a second overflow valve, a one-way valve, a second valve, a first pipeline and a second pipeline are installed in the valve block. A twelfth pipeline is connected with a fourth pipeline and a fifth pipeline, wherein the fourth pipeline and the fifth pipeline are in parallel connection. One end of the fourth pipeline is communicated with the twelfth pipeline and the other end of the fourth pipeline is communicated with a left caterpillar band tensioning oil tank. One end of the fifth pipeline is communicated with the twelfth pipeline and the other end of the fifth pipeline is communicated with a right caterpillar band tensioning oil tank. The hydraulic tensioning device of the paver caterpillar band can accomplish an automatic tensioning function by consuming small power.
Description
Technical field
The utility model relates to a kind of Hydranlic tensioner, particularly relates to a kind of paver crawler belt Hydranlic tensioner.
Background technology
Paver is a kind of preparation of construction that is mainly used in basic unit and the various material paving operations of surface layer on express highway, and the crawler belt of paver is tensioned and could walks after the oil cylinder tensioning.Present paver crawler belt is only opened automatically, and device has the hydraulic tensioning of tensioned, the pressurize of hydraulic pressure stored energy device and gets the oily various ways such as hydraulic tensioning from the closed circuit slippage pump, but its effect is not ideal, reliability is low, has a strong impact on the performance of travelling system of spreader.
The utility model content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, and a kind of paver crawler belt Hydranlic tensioner is provided.This paver crawler belt Hydranlic tensioner is simple in structure, consumes very miniwatt and just can complete automatic tensioning function by actv..
for achieving the above object, the technical solution adopted in the utility model is: paver crawler belt Hydranlic tensioner, it is characterized in that: comprise hydraulic oil pump, pipeline three, pipeline nine, HM Hydraulic Motor, reducing valve and hydraulic tensioning hydraulic efficiency pressure system, described hydraulic oil pump, pipeline three, HM Hydraulic Motor and pipeline nine are connected to form closed circuit in turn, described pipeline three is connected with pipeline by pipeline ten connections, on described pipeline ten, shuttle valve is installed, the oil outlet of described shuttle valve is connected with the reducing valve oil inlet by pipeline 11, the oil outlet of described reducing valve is connected with the hydraulic tensioning hydraulic efficiency pressure system by pipeline 12, described hydraulic tensioning hydraulic efficiency pressure system comprises fuel tank and valve piece, in described valve piece, by pass valve one is installed, by pass valve two, check valve one, check valve two, pipeline one and pipeline two, described pipeline 12 is connected with pipeline with pipeline four parallel with one another and is connected, one end of described pipeline four is communicated with pipeline 12, the other end of described pipeline four is communicated with left crawler tensioning oil cylinder, described check valve one is arranged on pipeline four, one end of described pipeline five is communicated with pipeline 12, the other end of described pipeline five is communicated with the right-hand track chiain tensioning hydro-cylinder, described check valve two is arranged on pipeline five, one end of described pipeline one is communicated with pipeline four, the other end of described pipeline one is communicated with fuel tank, described by pass valve one is arranged on pipeline one, one end of described pipeline two is communicated with pipeline five, the other end of described pipeline two is communicated with fuel tank, described by pass valve two is arranged on pipeline two.
Above-mentioned paver crawler belt Hydranlic tensioner, it is characterized in that: shutoff valve one, shutoff valve two, pipeline six and pipeline seven and pipeline eight parallel with one another also are installed in described valve piece, one end of described pipeline six is communicated with fuel tank, the other end of described pipeline six is communicated with an end of pipeline seven and an end of pipeline eight, the other end of described pipeline seven is communicated with pipeline four, the other end of described pipeline eight is communicated with pipeline five, described shutoff valve one is arranged on pipeline seven, and described shutoff valve two is arranged on pipeline eight.
Above-mentioned paver crawler belt Hydranlic tensioner is characterized in that: on described pipeline 12, the throttling joint is installed.
Above-mentioned paver crawler belt Hydranlic tensioner is characterized in that: described hydraulic oil pump is shaft orientation plunger variable pump, and described HM Hydraulic Motor is variable-dis-placement motor.
The utility model compared with prior art has the following advantages:
1, of the present utility model simple in structure, rationally novel in design, be easy to install.
When 2, the utility model uses, directly get high pressure oil from the shuttle valve output oil port, supply with right-hand track chiain tensioning hydro-cylinder and left crawler tensioning oil cylinder through the post-decompression pressure oil of reducing valve, by pass valve one and by pass valve two limit respectively the maximum working pressure of left crawler tensioning oil cylinder and right-hand track chiain tensioning hydro-cylinder simultaneously, continue auto-supply, really realized the tensioning of crawler belt automatic hydraulic.
3, the utility model by two by pass valves, two check valves and two shutoff valves are set, plays fuel feeding and pressure restriction and the shutdown drain charge effect respectively of left and right crawler tensioning oil cylinder.
4, of the present utility modelly realize that cost is low, result of use is good, is convenient to promote the use of.
In sum, the utility model is simple in structure, and novel in design rationally functional reliability is high, and long service life consumes very miniwatt and just can complete automatic tensioning function by actv..
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Description of reference numerals:
1-HM Hydraulic Motor; 2-pipeline nine; 3-pipeline ten;
4-hydraulic oil pump; 5-shuttle valve; 6-fuel tank;
7-pipeline six; 8-valve piece; 9-pipeline two;
10-by pass valve two; 11-pipeline five; 12-right-hand track chiain tensioning hydro-cylinder;
13-left crawler tensioning oil cylinder; 14-pipeline four; 15-pipeline eight;
16-shutoff valve two; 17-check valve two; 18-shutoff valve one;
19-check valve one; 20-pipeline seven; 21-pipeline one;
22-by pass valve one; 23-throttling joint; 24-pipeline 12;
25-reducing valve; 26-pipeline 11; 27-pipeline three.
The specific embodiment
a kind of paver crawler belt Hydranlic tensioner as shown in Figure 1, comprise hydraulic oil pump 4, pipeline 3 27, pipeline 92, HM Hydraulic Motor 1, reducing valve 25 and hydraulic tensioning hydraulic efficiency pressure system, described hydraulic oil pump 4, pipeline 3 27, HM Hydraulic Motor 1 and pipeline 92 are connected to form closed circuit in turn, described pipeline 3 27 is connected 2 by pipeline 10 connections with pipeline, on described pipeline 10, shuttle valve 5 is installed, the oil outlet of described shuttle valve 5 is connected with reducing valve 25 oil inlets by pipeline 11, the oil outlet of described reducing valve 25 is connected with the hydraulic tensioning hydraulic efficiency pressure system by pipeline 12, described hydraulic tensioning hydraulic efficiency pressure system comprises fuel tank 6 and valve piece 8, in described valve piece 8, by pass valve 1 is installed, by pass valve 2 10, check valve 1, check valve 2 17, pipeline 1 and pipeline 29, described pipeline 12 and pipeline 4 14 parallel with one another are connected with pipeline and 11 are connected, one end of described pipeline 4 14 is communicated with pipeline 12, the other end of described pipeline 4 14 is communicated with left crawler tensioning oil cylinder 13, described check valve 1 is arranged on pipeline 4 14, one end of described pipeline 5 11 is communicated with pipeline 12, the other end of described pipeline 5 11 is communicated with right-hand track chiain tensioning hydro-cylinder 12, described check valve 2 17 is arranged on pipeline 5 11, one end of described pipeline 1 is communicated with pipeline 4 14, the other end of described pipeline 1 is communicated with fuel tank 6, described by pass valve 1 is arranged on pipeline 1, one end of described pipeline 29 is communicated with pipeline 5 11, the other end of described pipeline 29 is communicated with fuel tank 6, described by pass valve 2 10 is arranged on pipeline 29.
As shown in Figure 1, shutoff valve 1, shutoff valve 2 16, pipeline 67 and pipeline 7 20 and pipeline 8 15 parallel with one another also are installed in described valve piece 8, one end of described pipeline 67 is communicated with fuel tank 6, the other end of described pipeline 67 is communicated with an end of pipeline 7 20 and an end of pipeline 8 15, the other end of described pipeline 7 20 is communicated with pipeline 4 14, the other end of described pipeline 8 15 is communicated with pipeline 5 11, described shutoff valve 1 is arranged on pipeline 7 20, and described shutoff valve 2 16 is arranged on pipeline 8 15.On described pipeline 12, throttling joint 23 is installed.Described hydraulic oil pump 4 is shaft orientation plunger variable pump.
In the present embodiment, this paver crawler belt Hydranlic tensioner is directly got high pressure oil from shuttle valve 5 output oil ports, pressure oil after reducing valve 25 is decompressed to 6MPa is supplied with right-hand track chiain tensioning hydro-cylinder 12 and left crawler tensioning oil cylinder 13, by pass valve 1 and by pass valve 2 10 limit respectively the maximum working pressure of left crawler tensioning oil cylinder 13 and right-hand track chiain tensioning hydro-cylinder 12 simultaneously, continue auto-supply, really realized the tensioning of crawler belt automatic hydraulic.
The above; it is only preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; every according to the utility model technical spirit to any simple modification, change and equivalent structure transformation that above embodiment does, all still belong in the protection domain of technical solutions of the utility model.
Claims (4)
1. paver crawler belt Hydranlic tensioner, it is characterized in that: comprise hydraulic oil pump (4), pipeline three (27), pipeline nine (2), HM Hydraulic Motor (1), reducing valve (25) and hydraulic tensioning hydraulic efficiency pressure system, described hydraulic oil pump (4), pipeline three (27), HM Hydraulic Motor (1) and pipeline nine (2) are connected to form closed circuit in turn, described pipeline three (27) is connected (2) by pipeline ten (3) connections with pipeline, on described pipeline ten (3), shuttle valve (5) is installed, the oil outlet of described shuttle valve (5) is connected with reducing valve (25) oil inlet by pipeline ten one (26), the oil outlet of described reducing valve (25) is connected with the hydraulic tensioning hydraulic efficiency pressure system by pipeline ten two (24), described hydraulic tensioning hydraulic efficiency pressure system comprises fuel tank (6) and valve piece (8), by pass valve one (22) is installed in described valve piece (8), by pass valve two (10), check valve one (19), check valve two (17), pipeline one (21) and pipeline two (9), described pipeline ten two (24) and pipeline four (14) parallel with one another are connected with pipeline (11) be connected, one end of described pipeline four (14) is communicated with pipeline ten two (24), the other end of described pipeline four (14) is communicated with left crawler tensioning oil cylinder (13), described check valve one (19) is arranged on pipeline four (14), one end of described pipeline five (11) is communicated with pipeline ten two (24), the other end of described pipeline five (11) is communicated with right-hand track chiain tensioning hydro-cylinder (12), described check valve two (17) is arranged on pipeline five (11), one end of described pipeline one (21) is communicated with pipeline four (14), the other end of described pipeline one (21) is communicated with fuel tank (6), described by pass valve one (22) is arranged on pipeline one (21), one end of described pipeline two (9) is communicated with pipeline five (11), the other end of described pipeline two (9) is communicated with fuel tank (6), described by pass valve two (10) is arranged on pipeline two (9).
2. paver crawler belt Hydranlic tensioner according to claim 1, it is characterized in that: shutoff valve one (18) also is installed in described valve piece (8), shutoff valve two (16), pipeline six (7) and pipeline seven (20) and pipeline eight (15) parallel with one another, one end of described pipeline six (7) is communicated with fuel tank (6), the other end of described pipeline six (7) is communicated with an end of pipeline seven (20) and an end of pipeline eight (15), the other end of described pipeline seven (20) is communicated with pipeline four (14), the other end of described pipeline eight (15) is communicated with pipeline five (11), described shutoff valve one (18) is arranged on pipeline seven (20), described shutoff valve two (16) is arranged on pipeline eight (15).
3. paver crawler belt Hydranlic tensioner according to claim 2, is characterized in that: on described pipeline ten two (24), throttling joint (23) is installed.
4. paver crawler belt Hydranlic tensioner according to claim 3, it is characterized in that: described hydraulic oil pump (4) is shaft orientation plunger variable pump, and described HM Hydraulic Motor (1) is variable-dis-placement motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220571505 CN202944459U (en) | 2012-11-01 | 2012-11-01 | Hydraulic tensioning device of paver caterpillar band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220571505 CN202944459U (en) | 2012-11-01 | 2012-11-01 | Hydraulic tensioning device of paver caterpillar band |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202944459U true CN202944459U (en) | 2013-05-22 |
Family
ID=48420170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220571505 Expired - Fee Related CN202944459U (en) | 2012-11-01 | 2012-11-01 | Hydraulic tensioning device of paver caterpillar band |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202944459U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113007159A (en) * | 2021-02-09 | 2021-06-22 | 中国煤炭科工集团太原研究院有限公司 | Hydraulic tensioning method, hydraulic tensioning device and continuous miner |
| CN115056872A (en) * | 2022-07-28 | 2022-09-16 | 徐工集团工程机械股份有限公司道路机械分公司 | Crawler tensioning system, paver and method |
-
2012
- 2012-11-01 CN CN 201220571505 patent/CN202944459U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113007159A (en) * | 2021-02-09 | 2021-06-22 | 中国煤炭科工集团太原研究院有限公司 | Hydraulic tensioning method, hydraulic tensioning device and continuous miner |
| CN113007159B (en) * | 2021-02-09 | 2023-03-10 | 中国煤炭科工集团太原研究院有限公司 | Hydraulic tensioning method, hydraulic tensioning device and continuous miner |
| CN115056872A (en) * | 2022-07-28 | 2022-09-16 | 徐工集团工程机械股份有限公司道路机械分公司 | Crawler tensioning system, paver and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB2489016B (en) | Hybrid electric vehicle cooling circuit and method of cooling | |
| CN202643158U (en) | Constant tension hoisting operation wave compensation device | |
| CN202944459U (en) | Hydraulic tensioning device of paver caterpillar band | |
| US20080112818A1 (en) | Auxiliary Energy-Accumulation And Flow-Enhancement Device For Hydraulic System Of Concrete Pump | |
| CN103062140A (en) | Hydraulic device on basis of confluence control mode | |
| CN202845491U (en) | Hydraulic control system for belt wrapper tensioning device | |
| CN202017666U (en) | Gas supercharging device | |
| CN103786804A (en) | Hydraulic tensioning device for caterpillar band of paver | |
| CN202368704U (en) | Automatic tensioning hydraulic system of crawler of spreading machine | |
| CN203743135U (en) | Energy-saving hydraulic circuit of press machine | |
| CN201598974U (en) | Twin-engine power device of large rotary drilling rig | |
| CN205806056U (en) | The banked direction control valves group at a kind of three pump interflow and hydraulic crawler excavator | |
| CN202107021U (en) | Axis vehicle hydraulic emergency steering device | |
| CN202829412U (en) | Main winch hydraulic control system for rotary drilling machine and rotary drilling machine | |
| CN105443349A (en) | Hydraulic air compressor | |
| CN103129637A (en) | Paver track automatic tensioning hydraulic system | |
| CN202991064U (en) | Drive system for concrete wet-blasting trolley and concrete wet-blasting trolley | |
| US20100129250A1 (en) | Auxiliary energy-accumulation and flow-enhancement device for hydraulic system of concrete pump | |
| CN202645531U (en) | Negative flow control hydraulic system of rotary drilling rig and rotary drilling rig | |
| CN202545387U (en) | Opened type hydraulic system of small-earthwork-capacity concrete mixing transportation vehicle | |
| CN202023209U (en) | Overload protecting device for land scraper turning circle worm-gear case | |
| CN202730562U (en) | A hydraulic system device for track layer traveling power matching | |
| CN203516255U (en) | Hydraulic loop used for controlling paver stretching and drawing ironing vibration | |
| CN201269235Y (en) | Hydraulic energy-saving oil supply system of miniature hydraulic excavator | |
| CN201232209Y (en) | Hydraulic double pump unloading system of backhoe loader |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130522 Termination date: 20131101 |