CN204727509U - A kind of hoisting crane mechanical self-latching type hydraulic ram - Google Patents
A kind of hoisting crane mechanical self-latching type hydraulic ram Download PDFInfo
- Publication number
- CN204727509U CN204727509U CN201520326611.5U CN201520326611U CN204727509U CN 204727509 U CN204727509 U CN 204727509U CN 201520326611 U CN201520326611 U CN 201520326611U CN 204727509 U CN204727509 U CN 204727509U
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- CN
- China
- Prior art keywords
- self
- outer support
- support pipe
- locking mechanism
- hoisting crane
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- Expired - Fee Related
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Abstract
The utility model relates to a kind of hoisting crane mechanical self-latching type hydraulic ram, it comprises outer support pipe, main hydraulic cylinder is provided with in described outer support pipe, described main hydraulic cylinder lower end is connected with secondary hydraulic actuating cylinder, described secondary hydraulic actuating cylinder lower end is connected with hydrostatic drive bar, described hydrostatic drive bar lower end is connected with supporting disk and leg in turn, in outside described outer support pipe, end position is provided with self-locking mechanism, described self-locking mechanism lower end is provided with tooth bar, be provided with adjustable feet, underground can be extend into, add the stability of supporting leg, then take in when not needing to stretch in soil layer in outer support pipe, improve the comformability of supporting leg, be provided with self-locking mechanism, improve reliability during support works, total, it is simple that the utility model has structure, easy to use, accurate positioning, supporting & stablizing, adaptable advantage.
Description
Technical field
The utility model belongs to weight-lifting equipment field, is specifically related to a kind of crane support, particularly relates to a kind of hoisting crane mechanical self-latching type hydraulic ram.
Background technology
Along with the fast development of economy, the expanding day of infrastructure construction, the use amount of hoisting crane also expands gradually, common supporting leg has mechanical type supporting leg and fluid pressure type supporting leg, mechanical type supporting leg has accurate positioning, the advantages such as supporting & stablizing, fluid pressure type supporting leg has easy to operate, the advantages such as bearing force is large, but soil layer is comparatively soft when some field constructions, it supports and easily occurs unstable phenomenon, general supporting leg bottom is provided with supporting disk to increase Area of bearing, improve stability, but along with lifting weight increases, supporting disk also requires increasing, this generates certain limitation.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and provide that a kind of structure is simple, easy to use, accurate positioning, supporting & stablizing, adaptable hoisting crane mechanical self-latching type hydraulic ram.
The purpose of this utility model is achieved in that a kind of hoisting crane mechanical self-latching type hydraulic ram, it comprises outer support pipe, main hydraulic cylinder is provided with in described outer support pipe, described main hydraulic cylinder lower end is connected with secondary hydraulic actuating cylinder, described secondary hydraulic actuating cylinder lower end is connected with hydrostatic drive bar, described hydrostatic drive bar lower end is connected with supporting disk and leg in turn, and in outside described outer support pipe, end position is provided with self-locking mechanism, and described self-locking mechanism lower end is provided with tooth bar.
Described self-locking mechanism and tooth bar connection mode are for being connected with a joggle.
Described leg is adjustable feet.
Described outer support pipe passes through pinned connection with inner hydraulic actuating cylinder.
Described self-locking mechanism is provided with operating handle.
The beneficial effects of the utility model: the utility model is provided with adjustable feet, underground can be extend into, add the stability of supporting leg, then take in when not needing to stretch in soil layer in outer support pipe, improve the comformability of supporting leg, be provided with self-locking mechanism, improve reliability during support works, be provided with main hydraulic cylinder and secondary hydraulic actuating cylinder, main hydraulic cylinder provides driving mainly to the support on ground, secondary hydraulic actuating cylinder provides driving mainly through hydrostatic drive bar to adjustable feet, what improve supporting leg can load capacity, total, it is simple that the utility model has structure, easy to use, accurate positioning, supporting & stablizing, adaptable advantage.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of hoisting crane mechanical self-latching type of the utility model hydraulic ram.
Fig. 2 is the collapsed state schematic diagram of a kind of hoisting crane mechanical self-latching type of the utility model hydraulic ram.
Fig. 3 is the structural representation using a kind of hoisting crane mechanical self-latching type of the utility model hydraulic ram.
In figure: 1, main hydraulic cylinder 2, outer support pipe 3, secondary hydraulic actuating cylinder 4, self-locking mechanism 5, operating handle 6, hydrostatic drive bar 7, tooth bar 8, supporting disk 9, leg 10, mechanical self-latching type hydraulic ram 11, hoisting crane.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described further.
Embodiment 1
As Figure 1-3, a kind of hoisting crane mechanical self-latching type hydraulic ram, it comprises outer support pipe 2, main hydraulic cylinder 1 is provided with in described outer support pipe 2, described main hydraulic cylinder 1 lower end is connected with secondary hydraulic actuating cylinder 3, and described secondary hydraulic actuating cylinder 3 lower end is connected with hydrostatic drive bar 6, and described hydrostatic drive bar 6 lower end is connected with supporting disk 8 and leg 9 in turn, in outside described outer support pipe 2, end position is provided with self-locking mechanism 4, and described self-locking mechanism 4 lower end is provided with tooth bar 7.
The utility model is provided with adjustable feet, underground can be extend into, add the stability of supporting leg, then take in when not needing to stretch in soil layer in outer support pipe, improve the comformability of supporting leg, be provided with self-locking mechanism, improve reliability during support works, be provided with main hydraulic cylinder and secondary hydraulic actuating cylinder, main hydraulic cylinder provides driving mainly to the support on ground, secondary hydraulic actuating cylinder provides driving mainly through hydrostatic drive bar to adjustable feet, what improve supporting leg can load capacity, total, it is simple that the utility model has structure, easy to use, accurate positioning, supporting & stablizing, adaptable advantage.
Embodiment 2
As Figure 1-3, a kind of hoisting crane mechanical self-latching type hydraulic ram, it comprises outer support pipe 2, main hydraulic cylinder 1 is provided with in described outer support pipe 2, described main hydraulic cylinder 1 lower end is connected with secondary hydraulic actuating cylinder 3, and described secondary hydraulic actuating cylinder 3 lower end is connected with hydrostatic drive bar 6, and described hydrostatic drive bar 6 lower end is connected with supporting disk 8 and leg 9 in turn, in outside described outer support pipe 2, end position is provided with self-locking mechanism 4, and described self-locking mechanism 4 lower end is provided with tooth bar 7.
Described self-locking mechanism 4 and tooth bar 7 connection mode are for being connected with a joggle.
Described leg 9 is adjustable feet.
Described outer support pipe 2 passes through pinned connection with inner hydraulic actuating cylinder.
Described self-locking mechanism 4 is provided with operating handle 5.
The utility model is provided with adjustable feet, underground can be extend into, add the stability of supporting leg, then take in when not needing to stretch in soil layer in outer support pipe, improve the comformability of supporting leg, be provided with self-locking mechanism, improve reliability during support works, be provided with main hydraulic cylinder and secondary hydraulic actuating cylinder, main hydraulic cylinder provides driving mainly to the support on ground, secondary hydraulic actuating cylinder provides driving mainly through hydrostatic drive bar to adjustable feet, what improve supporting leg can load capacity, be provided with operating handle, improve the convenience of operation, outer support pipe and internal hydraulic pressure cylinder pass through pinned connection, improve the stability that supporting leg is whole, total, it is simple that the utility model has structure, easy to use, accurate positioning, supporting & stablizing, strong adaptability, can the large advantage of load capacity.
Claims (5)
1. a hoisting crane mechanical self-latching type hydraulic ram, it comprises outer support pipe, it is characterized in that: in described outer support pipe, be provided with main hydraulic cylinder, described main hydraulic cylinder lower end is connected with secondary hydraulic actuating cylinder, described secondary hydraulic actuating cylinder lower end is connected with hydrostatic drive bar, described hydrostatic drive bar lower end is connected with supporting disk and leg in turn, and in outside described outer support pipe, end position is provided with self-locking mechanism, and described self-locking mechanism lower end is provided with tooth bar.
2. a kind of hoisting crane mechanical self-latching type hydraulic ram according to claim 1, is characterized in that: described self-locking mechanism and tooth bar connection mode are for being connected with a joggle.
3. a kind of hoisting crane mechanical self-latching type hydraulic ram according to claim 1, is characterized in that: described leg is adjustable feet.
4. a kind of hoisting crane mechanical self-latching type hydraulic ram according to claim 1, is characterized in that: described outer support pipe passes through pinned connection with inner hydraulic actuating cylinder.
5. a kind of hoisting crane mechanical self-latching type hydraulic ram according to claim 1, is characterized in that: described self-locking mechanism is provided with operating handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520326611.5U CN204727509U (en) | 2015-05-20 | 2015-05-20 | A kind of hoisting crane mechanical self-latching type hydraulic ram |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520326611.5U CN204727509U (en) | 2015-05-20 | 2015-05-20 | A kind of hoisting crane mechanical self-latching type hydraulic ram |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204727509U true CN204727509U (en) | 2015-10-28 |
Family
ID=54385876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520326611.5U Expired - Fee Related CN204727509U (en) | 2015-05-20 | 2015-05-20 | A kind of hoisting crane mechanical self-latching type hydraulic ram |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204727509U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106857183A (en) * | 2017-04-18 | 2017-06-20 | 苏州蓝王机床工具科技有限公司 | A kind of self-locking type hydraulic supporting leg |
| CN108061076A (en) * | 2017-11-15 | 2018-05-22 | 北京新立机械有限责任公司 | A kind of hydraulic leg mechanical locking device |
-
2015
- 2015-05-20 CN CN201520326611.5U patent/CN204727509U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106857183A (en) * | 2017-04-18 | 2017-06-20 | 苏州蓝王机床工具科技有限公司 | A kind of self-locking type hydraulic supporting leg |
| CN108061076A (en) * | 2017-11-15 | 2018-05-22 | 北京新立机械有限责任公司 | A kind of hydraulic leg mechanical locking device |
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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: 20151028 Termination date: 20160520 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |