CN201800471U - Telescopic draw bar of hydraulic trailer - Google Patents
Telescopic draw bar of hydraulic trailer Download PDFInfo
- Publication number
- CN201800471U CN201800471U CN2010205403167U CN201020540316U CN201800471U CN 201800471 U CN201800471 U CN 201800471U CN 2010205403167 U CN2010205403167 U CN 2010205403167U CN 201020540316 U CN201020540316 U CN 201020540316U CN 201800471 U CN201800471 U CN 201800471U
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- CN
- China
- Prior art keywords
- expansion link
- body assembly
- draw bar
- supporting leg
- hydraulic trailer
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- 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.)
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Abstract
The utility model relates to a dragging and traction device which is mainly applied to a hydraulic trailer. The utility model discloses a telescopic draw bar of a hydraulic trailer, comprising a telescopic bar and a body assembly, wherein the telescopic bar is connected with the body assembly, the working end of the telescopic bar is provided with a towing ring, and the working end of the body assembly is provided with a support lug. According to the telescopic draw bar of a hydraulic trailer, which is provided by the utility model, a connecting bar is designed to be a combination capable of adjusting bar length to realize the purpose of one bar with multiple purposes. A supporting wheel is added to realize the purpose of field work support, and the support leg is arranged to realize the purpose of temporary support for dragging and towing a headstock. The utility model has simple integral structure, stable operation and good use effect and is easy to manufacture.
Description
Technical field
The utility model relates to a kind of drafting tool of pulling, and is mainly used in hydraulic trailer.
Background technology
Traditional hydraulic trailer draw bar all is that length immobilizes, the kind tool is many, can't the general-duty draw bar, 2m is arranged, 3m, 5m, different lengths such as 7m.
In the prior art, the deficiency of existence is:
When hydraulic trailer transport point cargo length direction exceeds hydraulic trailer loading platform the place ahead, when guaranteeing to turn to, do not interfere between tractor truck and the hydraulic trailer, must select for use the draw bar of appropriate length could satisfy operating needs, thereby the draw bar of providing various different lengths mostly for oneself could satisfy operating needs, is uneconomical also inconvenient like this.
Summary of the invention
Technical problem to be solved in the utility model provides the scalable draw bar of a kind of hydraulic trailer, he adopts expansion link and body assembly to connect and compose draw bar, the characteristic of utilizing expansion link to stretch is adjusted the entire length of draw bar, thereby can, during hydraulic trailer transportation different length goods, do not interfere between tractor truck and the hydraulic trailer when assurance turns to, same draw bar just can satisfy operating needs by adjusting to suitable length, saves the characteristics of cost and parking space.
For solving the problems of the technologies described above, the scalable draw bar of a kind of hydraulic trailer that the utility model provides is characterized in that, comprises expansion link and body assembly,
Described expansion link is connected with described body assembly, and the working end of expansion link is provided with eye hitch, and the working end of body assembly is provided with journal stirrup.
Preferred version to above-mentioned basic design is, also comprises positioning pin column,
Described expansion link is sleeved on the described body assembly;
End with body assembly suit on the expansion link is arranged at intervals with a plurality of first knock holees, and an end of body assembly and expansion link socket is provided with second knock hole;
Described positioning pin column runs through described first knock hole, second knock hole.
To improvement of the technical scheme be, also comprise support wheel, described support wheel is arranged on the described body assembly, in order to the supporting body assembly.
The technical scheme that is more preferably is, also comprise locating plate, the strut bar of described support wheel is coupling on described body assembly, the body assembly is provided with described locating plate, when support wheel vertical support body assembly, and when support wheel by its strut bar and body assembly bonded assembly axle, fold when packing up around axle, the strut bar corresponding position of locating plate and support wheel is respectively arranged with positioning through hole, by the control position and the folding stowed position of latch fixed pedestal wheel.
Technique scheme further is improved to, also comprises the supporting leg of adjustable supporting height, described supporting leg is arranged at the working end of close eye hitch on the described expansion link.
Further optimized technical scheme is, described supporting leg comprises the upper support element that connects described expansion link, middle rod member and lower support, and described middle rod member is provided with double-threaded screw, and the upper and lower part strut member interconnects by middle rod member.
Further optimized technical scheme is again, the upper supporting piece of described supporting leg and expansion link are connected by axle, on the path that supporting leg pivots, are provided with detent mechanism in the control position of vertical support expansion link, supporting leg is provided with hanging ring, and expansion link is provided with hook.
Advantage of the present utility model is:
1. the scalable draw bar of hydraulic trailer that the utility model the provides combined traction bar that is a kind of convertible multiple length.Solved in the prior art, changed the problem of different length draw bar during hydraulic trailer transportation different length goods, directly the utility model has been adjusted to lock after the appropriate length and got final product, reduced cost, improved the convenience of use.
2. by increasing support wheel, when the conversion length of draw bar is adjusted in operation in the open air, make it control position perpendicular to the body assembly, under the self-supporting state, adjust length of draw bar, make things convenient in the field work process, when vehicle exchanges end to end, manually drag draw bar, reduced the operation easier and the intensity of field work.For fear of in the process of moving support wheel being caused wearing and tearing, and save parking space of the present utility model, preferred, support wheel is designed to be able to folding structure of packing up, pack up support wheel is folding under steam, tangle fixing with latch.
3. by the supporting leg of adjustable supporting height is set at expansion link eye hitch one end, is used for changing the traction headstock and supports temporarily, shorten when travelling and pack up.In order to save parking space of the present utility model, supporting leg also is designed to the structure that can pack up, when off working state, hang up locking.
The utility model provides hydraulic trailer scalable draw bar, but is designed to the long combination of adjusting lever with connecting rod member, realizes multi-use, realizes the field work support, realizes changing the interim purpose that supports of ailer-towing vehicle head by supporting leg is set by installing support wheel additional.Integral structure is simple, is easy to make, and working stability, result of use is good.
Description of drawings
Below in conjunction with the drawings and specific embodiments the technical solution of the utility model is further described in detail.
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is a schematic top plan view of the present utility model.
Wherein, the 1-supporting leg, the 2-expansion link, 3-locks bearing pin, 4-body assembly, 5-support wheel, 6-journal stirrup, 7-locating plate.
The specific embodiment
In conjunction with Fig. 1 each constituent elements of the present utility model and connection mode are introduced:
Structural representation of the present utility model as shown in Figure 1, expansion link 2 are sleeved in the body assembly 4, the pin shaft hole of the upper and lower perforation that a plurality of as prescribed spacing multiples increase progressively are set, i.e. first knock hole on the upper and lower wall of expansion link 2 coupling ends.The spacing of first knock hole can be provided with by any demand spacing size, at a body assembly 4 and an end of expansion link 2 sockets the pin shaft hole of a up/down perforation, i.e. second knock hole is set.Expansion link 2 puts in body assembly 4 and stretches out the entire length that changes draw bar, when expansion link 2 flexible during to required extension position, corresponding first knock hole on the expansion link 2 and second knock hole on the body assembly 4 align, use that locking bearing pin 3 is upper and lower gangs up locking with the fixed traction pole length this moment, when needing to change length once more, extract the extension elongation position that locking bearing pin 3 readjusts expansion link 2 and get final product with 3 lockings of locking bearing pin once more.Just can be implemented in the 5m-8m scope length and to increase progressively by the spacing multiple or the spacing multiple adjustment length of draw bar that successively decreases.
Schematic top plan view of the present utility model in conjunction with shown in Figure 2 is provided with support wheel 5 on the body assembly.In driving process, support wheel 5 is caused wearing and tearing, and conserve space when depositing, preferably, support wheel 5 is arranged to fold the structure of packing up: the strut bar of support wheel 5 is connected body assembly 4 by axle, locating plate 7 is set on body assembly 4, when support wheel vertical support body assembly, locating plate 7 is provided with positioning through hole with the strut bar corresponding position of support wheel 5; When support wheel 5 by its strut bar and body assembly 4 bonded assembly axles, around axle is folding when packing up, locating plate 7 also is provided with positioning through hole with the strut bar corresponding position of support wheel 5, the control position and the folding stowed position of taking turns by the latch fixed pedestal.Support wheel 5 operation in the open air makes it into the upright position state when adjusting transform length, under steam support wheel 5 is folded up tangle with latch fixing.
In conjunction with schematic top plan view of the present utility model shown in Figure 2, at eye hitch one end of expansion link 2 supporting leg 1 of adjustable supporting height is set, be used for changing the traction headstock and support temporarily.Supporting leg 1 comprises the upper support element that connects expansion link, middle rod member and lower support, middle rod member is provided with double-threaded screw, the upper and lower part strut member interconnects by middle rod member, and operating personal just can be realized supporting leg 1 adjusting highly by rod member in the middle of regulating.In order to save parking space of the present utility model, supporting leg 1 also is designed to be able to the structure of packing up, the upper supporting piece of supporting leg 1 and expansion link 2 are connected by axle, supporting leg 1 can pivot, supporting leg 1 is provided with hanging ring, expansion link 2 is provided with hook, when supporting leg 1 off working state, tangles its hanging ring by hook supporting leg is packed up.For the lower support of supporting leg 1, the bottom of this lower support should be designed to the umbrella-shaped structure of supported at three point, or is designed to bell mouth shape or disc-shaped structure.
It should be noted last that, the above specific embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (10)
1. the scalable draw bar of hydraulic trailer is characterized in that, comprises expansion link and body assembly,
Described expansion link is connected with described body assembly, and the working end of expansion link is provided with eye hitch, and the working end of body assembly is provided with journal stirrup.
2. the scalable draw bar of a kind of hydraulic trailer as claimed in claim 1 is characterized in that, also comprises positioning pin column,
Described expansion link and described body assembly interconnect by the suit mode;
End with body assembly suit on the expansion link is arranged at intervals with a plurality of first knock holees, and an end of body assembly and expansion link socket is provided with second knock hole;
Described positioning pin column runs through described first knock hole, second knock hole.
3. the scalable draw bar of a kind of hydraulic trailer as claimed in claim 1 or 2 is characterized in that, also comprises support wheel, and described support wheel is arranged on the described body assembly, in order to the supporting body assembly.
4. the scalable draw bar of a kind of hydraulic trailer as claimed in claim 3, it is characterized in that, also comprise locating plate, the strut bar of described support wheel is coupling on described body assembly, the body assembly is provided with described locating plate, when support wheel vertical support body assembly, and work as support wheel by its strut bar and body assembly bonded assembly axle, around axle is folding when packing up, the strut bar corresponding position of locating plate and support wheel is respectively arranged with positioning through hole, by the control position and the folding stowed position of latch fixed pedestal wheel.
5. the scalable draw bar of a kind of hydraulic trailer as claimed in claim 1 or 2 is characterized in that, also comprises the supporting leg of adjustable supporting height, and described supporting leg is arranged at the working end of close eye hitch on the described expansion link.
6. the scalable draw bar of a kind of hydraulic trailer as claimed in claim 3 is characterized in that, also comprises the supporting leg of adjustable supporting height, and described supporting leg is arranged at the working end of close eye hitch on the described expansion link.
7. the scalable draw bar of a kind of hydraulic trailer as claimed in claim 4 is characterized in that, also comprises the supporting leg of adjustable supporting height, and described supporting leg is arranged at the working end of close eye hitch on the described expansion link.
8. the scalable draw bar of a kind of hydraulic trailer as claimed in claim 5, it is characterized in that, described supporting leg comprises the upper support element that connects described expansion link, middle rod member and lower support, rod member is provided with double-threaded screw in the middle of described, and the upper and lower part strut member interconnects by middle rod member.
9. the scalable draw bar of a kind of hydraulic trailer as claimed in claim 6, it is characterized in that, described supporting leg comprises the upper support element that connects described expansion link, middle rod member and lower support, rod member is provided with double-threaded screw in the middle of described, and the upper and lower part strut member interconnects by middle rod member.
10. the scalable draw bar of a kind of hydraulic trailer as claimed in claim 1 or 2, it is characterized in that, the upper supporting piece of described supporting leg is connected by axle with expansion link, on the path that supporting leg pivots, control position in the vertical support expansion link is provided with detent mechanism, supporting leg is provided with hanging ring, and expansion link is provided with hook.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205403167U CN201800471U (en) | 2010-09-25 | 2010-09-25 | Telescopic draw bar of hydraulic trailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205403167U CN201800471U (en) | 2010-09-25 | 2010-09-25 | Telescopic draw bar of hydraulic trailer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201800471U true CN201800471U (en) | 2011-04-20 |
Family
ID=43869988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205403167U Expired - Fee Related CN201800471U (en) | 2010-09-25 | 2010-09-25 | Telescopic draw bar of hydraulic trailer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201800471U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102785649A (en) * | 2012-09-04 | 2012-11-21 | 湖南长沙果福车业有限公司 | Disk type tractor |
| CN106827983A (en) * | 2017-01-20 | 2017-06-13 | 贵州大学 | A kind of auxiliary extension bar device of vehicle mechanical |
| CN109130732A (en) * | 2018-10-24 | 2019-01-04 | 荣成恒力车业有限公司 | One kind pulling caravan hitch frame |
| CN109538233A (en) * | 2018-11-28 | 2019-03-29 | 佛山科学技术学院 | A kind of tunnelling earth material conveying device changing length convenient for connection |
| CN110843434A (en) * | 2018-08-20 | 2020-02-28 | 常州市瑞泰工程机械有限公司 | Telescopic ejector rod |
| CN111778821A (en) * | 2020-08-17 | 2020-10-16 | 潍坊雅度建设工程有限公司 | Pavement patching device convenient to remove |
| CN111854782A (en) * | 2020-06-22 | 2020-10-30 | 北京九曜智能科技有限公司 | Path planning method capable of realizing automatic unhooking and unhooking |
-
2010
- 2010-09-25 CN CN2010205403167U patent/CN201800471U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102785649A (en) * | 2012-09-04 | 2012-11-21 | 湖南长沙果福车业有限公司 | Disk type tractor |
| CN106827983A (en) * | 2017-01-20 | 2017-06-13 | 贵州大学 | A kind of auxiliary extension bar device of vehicle mechanical |
| CN110843434A (en) * | 2018-08-20 | 2020-02-28 | 常州市瑞泰工程机械有限公司 | Telescopic ejector rod |
| CN109130732A (en) * | 2018-10-24 | 2019-01-04 | 荣成恒力车业有限公司 | One kind pulling caravan hitch frame |
| CN109538233A (en) * | 2018-11-28 | 2019-03-29 | 佛山科学技术学院 | A kind of tunnelling earth material conveying device changing length convenient for connection |
| CN111854782A (en) * | 2020-06-22 | 2020-10-30 | 北京九曜智能科技有限公司 | Path planning method capable of realizing automatic unhooking and unhooking |
| CN111778821A (en) * | 2020-08-17 | 2020-10-16 | 潍坊雅度建设工程有限公司 | Pavement patching device convenient to remove |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110420 Termination date: 20140925 |
|
| EXPY | Termination of patent right or utility model |