CN201890740U - Ultrahigh pressure tensioning jack - Google Patents
Ultrahigh pressure tensioning jack Download PDFInfo
- Publication number
- CN201890740U CN201890740U CN2010206342601U CN201020634260U CN201890740U CN 201890740 U CN201890740 U CN 201890740U CN 2010206342601 U CN2010206342601 U CN 2010206342601U CN 201020634260 U CN201020634260 U CN 201020634260U CN 201890740 U CN201890740 U CN 201890740U
- Authority
- CN
- China
- Prior art keywords
- oil cylinder
- cylinder barrel
- cylinder
- auxiliary oil
- barrel
- 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 relates to the technical field of tensioning devices for steal beams, in particular to an ultrahigh pressure tensioning jack. The jack comprises a main oil cylinder barrel. The front and rear ends of the main oil cylinder barrel are detachably and fixedly connected with a front cylinder cover and a back cylinder cover respectively. A hollow piston rod is arranged in the main oil cylinder barrel. The jack further comprises a secondary oil cylinder barrel. The front and rear ends of the secondary oil cylinder barrel are detachably and fixedly connected with a secondary front end cover and a secondary rear end cover respectively. A hollow secondary oil cylinder piston is arranged in the secondary oil cylinder barrel. The rear cylinder cover and the secondary front end cover are detachably and fixedly connected end to end. The main oil cylinder barrel is provided with a main hydraulic system which controls the action of the hollow piston rod. The secondary oil cylinder barrel is provided with a secondary hydraulic system which controls the action of the hollow secondary oil cylinder piston. The ultrahigh pressure tensioning jack provided by the utility model adopts a split-type double-cylinder, has ultrahigh working pressure being 70 Mpa, good stability and precision and a compact structure. The jack is convenient to carry.
Description
Technical field
The utility model relates to the tensioning equipment technical field of steel bundle, especially a kind of superhigh pressure stretch-draw jack.
Background technology
The tensioning equipment of prestressed concrete construction mainly is meant the stretch-draw jack, the preceding pull-type jack of the big shaped steel bundle of stretch-draw, existing stretch-draw jack adopts the whole processing of cylinder body, difficulty of processing is big, and it is heavier to conduct oneself with dignity, and the hydraulic pressure top anchor before putting adopts adorns independent oil circuit in addition, tensioning equipment and operating sequence have been increased, the equipment of returning is installed to move and is made troubles, and the moveable anchor sheet need manually be packed into, influences the stretch-draw work efficiency.
The utility model content
The technical problems to be solved in the utility model is: overcomes the deficiency in the prior art, a kind of superhigh pressure stretch-draw jack is provided, and good stability, accuracy is good, convenient carrying and compact conformation.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of superhigh pressure stretch-draw jack, comprise the master cylinder cylinder barrel, master cylinder cylinder barrel front and back end is detachable captive joint front end housing and back cylinder cover respectively, be provided with the hollow piston bar in the described master cylinder cylinder barrel, also has the auxiliary oil cylinder cylinder barrel, auxiliary oil cylinder cylinder barrel front and back end secondary front end cover of respectively detachable captive joint and secondary rear side housing, be provided with hollow auxiliary oil cylinder piston in the described auxiliary oil cylinder cylinder barrel, described back cylinder cover is detachably captiveed joint with secondary front end cover head and the tail, described master cylinder cylinder barrel is provided with the main hydraulic system of control hollow piston bar action, and described auxiliary oil cylinder cylinder barrel is provided with the secondary hydraulic efficiency pressure system of the hollow auxiliary oil cylinder piston action of control.
Further, the maximum working pressure (MWP) of described main hydraulic system is 70Mpa, and the maximum working pressure (MWP) of described auxiliary oil cylinder system is 16Mpa.
The fixedly anchor system of strand is installed in the cavity of described hollow piston bar, and described anchor system comprises stretch-draw anchor and work anchoring.
Further, for alleviating deadweight, described master cylinder cylinder barrel adopts the 45# tempered steel.
The beneficial effects of the utility model are, superhigh pressure stretch-draw jack of the present utility model adopts split type twin-tub to have the operation pressure of superhigh pressure 70Mpa, good stability, and accuracy is good, convenient carrying and compact conformation.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further specified.
Fig. 1 is the structural representation of superhigh pressure stretch-draw jack embodiment of the present utility model.
Among the figure: 1. master cylinder cylinder barrel, 2. front end housing, 3. back cylinder cover, 4. hollow piston bar, 5. auxiliary oil cylinder cylinder barrel, 6. secondary front end cover, 7. secondary rear side housing, 8. hollow auxiliary oil cylinder piston, 9. main hydraulic system, 10. secondary hydraulic efficiency pressure system, 11. anchor systems.
The specific embodiment
In conjunction with the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the scheme drawing of simplification, basic structure of the present utility model only is described in a schematic way, so it only show the formation relevant with the utility model.
As shown in Figure 1, the most preferred embodiment of the utility model superhigh pressure stretch-draw jack, comprise master cylinder cylinder barrel 1, master cylinder cylinder barrel 1 adopts the 45# tempered steel, master cylinder cylinder barrel 1 front and back end is detachable captive joint front end housing 2 and back cylinder cover 3 respectively, be provided with hollow piston bar 4 in the master cylinder cylinder barrel 1, also has auxiliary oil cylinder cylinder barrel 5, secondary front end cover 6 of the respectively detachable captive joint in auxiliary oil cylinder cylinder barrel 5 front and back ends and secondary rear side housing 7, be provided with hollow auxiliary oil cylinder piston 8 in the auxiliary oil cylinder cylinder barrel, back cylinder cover 3 is detachably captiveed joint with secondary front end cover 6 head and the tail, master cylinder cylinder barrel 1 is provided with the main hydraulic system 9 of control hollow piston bar 4 actions, and auxiliary oil cylinder cylinder barrel 5 is provided with the secondary hydraulic efficiency pressure system 10 of hollow auxiliary oil cylinder piston 8 actions of control.The maximum working pressure (MWP) of main hydraulic system 9 is 70Mpa, and the maximum working pressure (MWP) of described auxiliary oil cylinder system 10 is 16Mpa.The fixedly anchor system 11 of strand is installed in the cavity of hollow piston bar 4, and anchor system 11 comprises stretch-draw anchor and work anchoring.
Claims (4)
1. superhigh pressure stretch-draw jack, it is characterized in that: comprise master cylinder cylinder barrel (1), master cylinder cylinder barrel (1) front and back end is detachable captive joint front end housing (2) and back cylinder cover (3) respectively, be provided with hollow piston bar (4) in the described master cylinder cylinder barrel (1), also has auxiliary oil cylinder cylinder barrel (5), secondary front end cover (6) of the respectively detachable captive joint in auxiliary oil cylinder cylinder barrel (5) front and back end and secondary rear side housing (7), be provided with hollow auxiliary oil cylinder piston (8) in the described auxiliary oil cylinder cylinder barrel (5), described back cylinder cover (3) is detachably captiveed joint with secondary front end cover (6) head and the tail, described master cylinder cylinder barrel (1) is provided with the main hydraulic system (9) of control hollow piston bar (4) action, and described auxiliary oil cylinder cylinder barrel (5) is provided with the secondary hydraulic efficiency pressure system (10) of the hollow auxiliary oil cylinder piston of control (8) action.
2. superhigh pressure stretch-draw jack as claimed in claim 1 is characterized in that: the maximum working pressure (MWP) of described main hydraulic system (9) is 70Mpa, and the maximum working pressure (MWP) of described auxiliary oil cylinder system (10) is 16Mpa.
3. superhigh pressure stretch-draw jack as claimed in claim 1 is characterized in that: the fixedly anchor system of strand (11) is installed in the cavity of described hollow piston bar (4), and described anchor system (11) comprises stretch-draw anchor and work anchoring.
4. superhigh pressure stretch-draw jack as claimed in claim 1 is characterized in that: described master cylinder cylinder barrel (1) adopts the 45# tempered steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206342601U CN201890740U (en) | 2010-12-01 | 2010-12-01 | Ultrahigh pressure tensioning jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206342601U CN201890740U (en) | 2010-12-01 | 2010-12-01 | Ultrahigh pressure tensioning jack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201890740U true CN201890740U (en) | 2011-07-06 |
Family
ID=44220216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206342601U Expired - Fee Related CN201890740U (en) | 2010-12-01 | 2010-12-01 | Ultrahigh pressure tensioning jack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201890740U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102001602A (en) * | 2010-12-01 | 2011-04-06 | 常州液压成套设备厂有限公司 | Superhigh pressure stretching jack |
-
2010
- 2010-12-01 CN CN2010206342601U patent/CN201890740U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102001602A (en) * | 2010-12-01 | 2011-04-06 | 常州液压成套设备厂有限公司 | Superhigh pressure stretching jack |
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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: 20110706 Termination date: 20151201 |
|
| EXPY | Termination of patent right or utility model |