CN203781763U - Heightening type hydraulic trailer - Google Patents
Heightening type hydraulic trailer Download PDFInfo
- Publication number
- CN203781763U CN203781763U CN201320884380.0U CN201320884380U CN203781763U CN 203781763 U CN203781763 U CN 203781763U CN 201320884380 U CN201320884380 U CN 201320884380U CN 203781763 U CN203781763 U CN 203781763U
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- CN
- China
- Prior art keywords
- auxiliary piston
- hydraulic trailer
- piston cylinder
- auxiliary
- oil pump
- 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
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Abstract
The utility model discloses a heightening type hydraulic trailer. The heightening type hydraulic trailer comprises an oil pump with an oil tank, a main piston cylinder communicated with the oil pump through a first one-way valve, a main piston rod arranged inside the main piston cylinder and a main carrier connected with the main piston rod, wherein the main carrier is provided with an auxiliary piston, the auxiliary piston comprises an auxiliary piston cylinder and an auxiliary piston rod arranged in the auxiliary piston cylinder, a reversing valve is further connected between the oil pump and the first one-way valve, an oil supply path with a second one-way valve is arranged between the reversing valve and the auxiliary piston cylinder, and an oil return path with a control valve is arranged between the auxiliary piston cylinder and the oil tank of the oil pump. As the auxiliary piston is arranged, the auxiliary piston can be freely heightened on a table surface of the main carrier, the whole hydraulic trailer is extended, and the hydraulic trailer is heightened. The operation plane of the heightening type hydraulic trailer is not limited by the lifting height of a traditional hydraulic trailer, and the application occasions of the hydraulic trailer are increased.
Description
Technical field
The present invention relates to a kind of hydraulic trailer that is applied to material or equipment carrying, be particularly used in the raised type hydraulic trailer that is handled upside down the object bottom liftoff higher material of the scope of operation or equipment.
Background technology
In commercial production and warehouse logistics field, often material or equipment need to be carried; Conventional equipment is hydraulic trailer or fork truck, and conventional fork truck is divided into again counterbalanced lift truck and supporting leg type fork truck; For counterbalanced lift truck, its lifting relies on the counterweight of fork truck self to guarantee safe carrying with its center of gravity of balance while being handled upside down object, for heavier object, needs the counterbalanced lift truck that deadweight is larger, and this has limited to the range of use of counterbalanced lift truck; Supporting leg type fork truck is due to the existence of its supporting leg, prong its center of gravity one when lifting is handled upside down object is positioned between supporting leg and fork truck tire, this can solve the problem of gravity balance, but the while is due to the existence of its supporting leg, be handled upside down underbelly and must leave the passage that fork truck supporting leg moves, and in fact a lot of situations can not meet this requirement; In routine, we use hydraulic trailer can partly solve the problem that above two class fork trucks face, because the supporting leg of hydraulic trailer and prong integrate, this has evaded the requirement of supporting leg type fork truck for movable passageway, has also evaded the requirement of counterbalanced lift truck for gravity balance simultaneously; In fact also there is the limitation of use in conventional hydraulic trailer, it is to promote its operation plane by hydraulic piston and a series of mechanical drive, but consider in the process of operation plane lifting, before and after it supporting leg all can with trailer bracket generation relative displacement, center of gravity as too high in hoisting depth may exceed the region between its front and back supporting leg, the stability of structure also cannot ensure simultaneously, and these have limited the hoisting depth of conventional hydraulic trailer, and its range of use is also limited to.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of novel raised type hydraulic trailer, the technical scheme that it adopts is: a kind of raised type hydraulic trailer, comprise the oil pump with fuel tank, the main piston cylinder being communicated with by the first check valve with oil pump, be placed in the main piston rod of main piston cylinder, and the master carrier being connected with main piston rod, it is characterized in that: on described master carrier, be provided with auxiliary piston, this auxiliary piston comprises auxiliary piston cylinder, be placed in the auxiliary piston rod in auxiliary piston cylinder, between oil pump and the first check valve, be connected with change-over valve simultaneously, between this change-over valve and auxiliary piston cylinder, be provided with the oil feeding line with the second check valve, and be also provided with the oil return circuit with control cock between auxiliary piston cylinder and the fuel tank of oil pump.
The further technical characterstic of the utility model is:
Described auxiliary piston rod is connected with auxiliary bracket.
Auxiliary piston is evenly distributed on master carrier.
Described auxiliary piston is multi-level piston.
The beneficial effects of the utility model are: because described raised type hydraulic trailer is provided with auxiliary piston, it can freely promote its height on master carrier table top, thereby extend the Integral lifting height of hydraulic trailer.The operation plane of this raised type hydraulic trailer is not subject to the restriction of conventional hydraulic trailer hoisting depth, can increase the application scenario of hydraulic trailer, and the lifting of auxiliary piston can not cause hydraulic trailer front and back supporting leg and trailer bracket generation relative displacement, and the structural stability of hydraulic trailer self is unaffected.
Accompanying drawing explanation
Fig. 1 is the utility model one example structure schematic diagram;
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described further:
Embodiment mono-:
As shown in Figure 1, a kind of raised type hydraulic trailer, comprise the oil pump 1 with fuel tank 10, the main piston cylinder 3 being communicated with by the first check valve 2 with oil pump 1, be placed in the main piston rod 4 of main piston cylinder 3, and the master carrier 5 being connected with main piston rod 4, on wherein said master carrier 5, be provided with auxiliary piston 6, this auxiliary piston 6 comprises auxiliary piston cylinder 601, be placed in the auxiliary piston rod 602 in auxiliary piston cylinder 601, between oil pump 1 and the first check valve 2, be connected with change-over valve 7 simultaneously, between this change-over valve 7 and auxiliary piston cylinder 601, be provided with the oil feeding line with the second check valve 8, and be also provided with the oil return circuit with control cock 9 between auxiliary piston cylinder 601 and the fuel tank 10 of oil pump 1.Auxiliary piston 6 is evenly distributed on master carrier 5.
Principle of work of the present utility model is: when needs auxiliary piston 6 improves operation plane, change-over valve 7 switches, the auxiliary piston 6 oil feeding line conductings at oil pump 1 and the second check valve 8 places, oil flows into auxiliary piston cylinder 601, until auxiliary piston rod 602 reaches set height.When needs are packed up auxiliary piston rod, oil feeding line stop control lever, with the oil return circuit conducting of control cock 9, auxiliary piston rod 602 is packed up simultaneously.This cover hydraulic efficiency pressure system can be transformed and can complete on the basis of the original hydraulic efficiency pressure system of hydraulic trailer.
Because described raised type hydraulic trailer is provided with auxiliary piston 6, it can freely promote its height on master carrier 5 table tops, thereby extends the Integral lifting height of hydraulic trailer.The operation plane of this raised type hydraulic trailer is not subject to the restriction of conventional hydraulic trailer hoisting depth, can increase the application scenario of hydraulic trailer, and the lifting of auxiliary piston 6 can not cause hydraulic trailer front and back supporting leg and trailer bracket generation relative displacement, and the structural stability of hydraulic trailer self is unaffected.
In actual applications, described auxiliary piston rod 602 can also be connected with auxiliary bracket, main piston rod is controlled the lifting of master carrier like this, auxiliary piston rod 602 is controlled the lifting of auxiliary bracket, the two integrated use, the operation plane of this raised type hydraulic trailer is not subject to the restriction of conventional hydraulic trailer hoisting depth, can greatly increase the application scenario of hydraulic trailer
For further increasing trailer operation plane, described auxiliary piston 6 can be set to multi-level piston.
Although described herein the specific embodiment, coverage of the present utility model is not limited to this.The utility model is contained all technical schemes of falling in fact within the scope of the claims under all instructions on literal or in equivalents.Protection domain of the present utility model is as the criterion with claims.
Claims (4)
1. a raised type hydraulic trailer, comprise the oil pump with fuel tank, the main piston cylinder being communicated with by the first check valve with oil pump, be placed in the main piston rod of main piston cylinder, and the master carrier being connected with main piston rod, it is characterized in that: on described master carrier, be provided with auxiliary piston, this auxiliary piston comprises auxiliary piston cylinder, be placed in the auxiliary piston rod in auxiliary piston cylinder, between oil pump and the first check valve, be connected with change-over valve simultaneously, between this change-over valve and auxiliary piston cylinder, be provided with the oil feeding line with the second check valve, and be also provided with the oil return circuit with control cock between auxiliary piston cylinder and the fuel tank of oil pump.
2. raised type hydraulic trailer as claimed in claim 1, is characterized in that: described auxiliary piston rod is connected with auxiliary bracket.
3. raised type hydraulic trailer as claimed in claim 1, is characterized in that: auxiliary piston is evenly distributed on master carrier.
4. the raised type hydraulic trailer as described in arbitrary claim in claim 1-3, is characterized in that: described auxiliary piston is multi-level piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320884380.0U CN203781763U (en) | 2013-12-31 | 2013-12-31 | Heightening type hydraulic trailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320884380.0U CN203781763U (en) | 2013-12-31 | 2013-12-31 | Heightening type hydraulic trailer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203781763U true CN203781763U (en) | 2014-08-20 |
Family
ID=51317972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320884380.0U Expired - Fee Related CN203781763U (en) | 2013-12-31 | 2013-12-31 | Heightening type hydraulic trailer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203781763U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104743472A (en) * | 2013-12-31 | 2015-07-01 | 蓝星有机硅（上海）有限公司 | Heightened type hydraulic trailer |
-
2013
- 2013-12-31 CN CN201320884380.0U patent/CN203781763U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104743472A (en) * | 2013-12-31 | 2015-07-01 | 蓝星有机硅（上海）有限公司 | Heightened type hydraulic trailer |
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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: 20140820 Termination date: 20181231 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |