CN202628671U - Stop structure of hydraulic oil cylinder - Google Patents
Stop structure of hydraulic oil cylinder Download PDFInfo
- Publication number
- CN202628671U CN202628671U CN 201220223894 CN201220223894U CN202628671U CN 202628671 U CN202628671 U CN 202628671U CN 201220223894 CN201220223894 CN 201220223894 CN 201220223894 U CN201220223894 U CN 201220223894U CN 202628671 U CN202628671 U CN 202628671U
- Authority
- CN
- China
- Prior art keywords
- cylinder
- guide sleeve
- piston rod
- hydraulic oil
- cylinder 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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- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The utility model provides a stop structure of a hydraulic oil cylinder. The stop structure of the hydraulic oil cylinder comprises a cylinder body, wherein a cylinder head and a cylinder barrel are arranged at the left end and the right end of the cylinder body; the cylinder head is positioned in a cylinder head supporting boot; a piston rod is arranged in the cylinder body; a piston and a guide sleeve are arranged at the left end and the right end of the piston rod; and the right side of the piston rod is connected with a piston rod supporting boot. The stop structure of the hydraulic oil cylinder is characterized in that the cylinder barrel and the guide sleeve are connected with a set screw through clearance thread; and the conical part of the set screw is completely screwed into the guide sleeve. The stop structure of the hydraulic oil cylinder overcomes the defects in the prior art; the guide sleeve is in clearance thread fit with the cylinder barrel, so assembling and disassembling are facilitated; and when the cylinder head swings, the set screw can effectively prevent the guide sleeve from loosening and dropping off from the cylinder barrel, so that safe and stable operation of the hydraulic cylinder is guaranteed.
Description
Technical field
The utility model relates to a kind of hydraulic jack chocking construction, belongs to the hydraulic jack technical field of structures.
Background technique
At present, common hydraulic jack is as shown in Figure 1, and the piston rod 3 that piston 2 and guide sleeve 4 are housed is positioned at cylinder body 1 inside; When piston rod support boots 9 are done the swing of several angle; Cylinder head 7 is in swing in cylinder head support boots 8 under the effect of hydraulic coupling, and this moment, the stop of cylinder barrel 6 and guide sleeve 4 was to lean on the screw-thread fit between the two to control, and was excessive cooperation so when machining screw, need guarantee the two; Can not stay the gap, otherwise guide sleeve 4 will unclamp and comes off from cylinder barrel 6.This structure causes hydraulic jack assembling and maintenance very inconvenient: (1) will match when assembling, needs very big locking torque in the screwed process; (2) in unloading process, screw thread is killed sometimes, dismantles not open, and can't carry out the maintenance of back and change part work, can only scrap oil cylinder or at the get on the bus head of cylinder barrel 6 of lathe, just can split out piston rod assembly and keep in repair and change part, causes bigger waste.
Summary of the invention
The purpose of the utility model can prevent effectively when providing the swing of a kind of cylinder head that guide sleeve from unclamping from cylinder barrel and come off, and be beneficial to the hydraulic jack chocking construction of assembling and dismounting.
In order to achieve the above object; The technological scheme of the utility model provides a kind of hydraulic jack chocking construction, comprises cylinder body, and the cylinder body right ends is respectively equipped with cylinder head and cylinder barrel; Cylinder head is positioned at cylinder head support boots; Right ends is respectively equipped with the piston rod of piston and guide sleeve and is located at cylinder interior, and the piston rod right side connects piston rod support boots, and it is characterized in that: said cylinder barrel is connected with the Cock screw that the tapering screws in guide sleeve fully through clearance thread with guide sleeve.
Preferably, said cylinder barrel is provided with screw hole.
A kind of hydraulic jack chocking construction that the utility model provides has overcome the deficiency of existing technology, adopts clearance thread to cooperate between guide sleeve and the cylinder barrel, is beneficial to assembling and dismantles; In cylinder head when swing,, Cock screw can prevent effectively that guide sleeve from unclamping from cylinder barrel and come off, guarantee hydraulic jack safety, stable operation.
Description of drawings
Fig. 1 is former hydraulic jack structural representation;
A kind of hydraulic jack chocking construction schematic representation that Fig. 2 provides for the utility model;
Fig. 3 is a housing structure schematic representation in the present embodiment;
Embodiment
For making the utility model more obviously understandable, now with a preferred embodiment, and conjunction with figs. elaborates as follows.
A kind of hydraulic jack chocking construction schematic representation that Fig. 2 provides for the utility model, described a kind of hydraulic jack chocking construction is made up of cylinder body 1, piston 2, piston rod 3, guide sleeve 4, Cock screw 5, cylinder barrel 6, cylinder head 7, cylinder head support boots 8 and piston rod support boots 9.
In conjunction with Fig. 3, cylinder body 1 right ends is equipped with cylinder head 7 and cylinder barrel 6 respectively, and cylinder head 7 is positioned at cylinder head support boots 8.Piston 2 and guide sleeve 4 are assemblied in piston rod 3 right ends respectively, the screw thread that latching ram 2 cooperates with piston rod 3; Again piston rod 3 assemblies are lifted; Vertical and with the cylinder barrel 6 aperture centrally aligneds of cylinder body 1 right-hand member; Let piston rod 3 assemblies slowly get into cylinder barrel 6, use outer force urges piston rod 3 assemblies, make guide sleeve 4 get into cylinder barrel 6 port part; The screw-thread fit of guide sleeve 4 with cylinder barrel 6 screwed in, guide sleeve 4 and cylinder barrel 6 are adjacent to; Place Cock screw 5 then in the pre-drilled screw hole 6-1 of cylinder barrel 6, Cock screw 5 is screwed in, enter guide sleeve 4 fully, load onto piston rod support boots 9 at last until the tapering of Cock screw 5 with inner hexagon spanner.
Screw-thread fit between guide sleeve 4 and the cylinder barrel 6 adopts Spielpassung, is beneficial to the carrying out of assembling and dismantlement work.When piston rod support boots 9 were done the swing of several angle, cylinder head 7 was in swing in cylinder head support boots 8 under the effect of hydraulic coupling, and Cock screw 5 assurance guide sleeves 4 can not unclamp from cylinder barrel 6 and come off.
Claims (2)
1. hydraulic jack chocking construction; Comprise cylinder body (1); Cylinder body (1) right ends is respectively equipped with cylinder head (7) and cylinder barrel (6), and cylinder head (7) is positioned at cylinder head support boots (8), and right ends is respectively equipped with the piston rod (3) of piston (2) and guide sleeve (4) and is located at cylinder body (1) inside; Piston rod (3) right side connects piston rod support boots (9), and it is characterized in that: said cylinder barrel (6) is connected through the Cock screw (5) that clearance thread and tapering screw in guide sleeve (4) fully with guide sleeve (4).
2. a kind of big cylinder diameter hydraulic jack as claimed in claim 1, it is characterized in that: said cylinder barrel (6) is provided with screw hole (6-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220223894 CN202628671U (en) | 2012-05-17 | 2012-05-17 | Stop structure of hydraulic oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220223894 CN202628671U (en) | 2012-05-17 | 2012-05-17 | Stop structure of hydraulic oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202628671U true CN202628671U (en) | 2012-12-26 |
Family
ID=47381876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220223894 Expired - Fee Related CN202628671U (en) | 2012-05-17 | 2012-05-17 | Stop structure of hydraulic oil cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202628671U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443135A (en) * | 2015-12-29 | 2016-03-30 | 上海隧道工程有限公司 | Spreading shoe structure of quasi-rectangular shield pushing oil cylinder |
-
2012
- 2012-05-17 CN CN 201220223894 patent/CN202628671U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443135A (en) * | 2015-12-29 | 2016-03-30 | 上海隧道工程有限公司 | Spreading shoe structure of quasi-rectangular shield pushing oil cylinder |
| CN105443135B (en) * | 2015-12-29 | 2017-12-08 | 上海隧道工程有限公司 | The support boots structure of class rectangle shield driving oil cylinder |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121226 Termination date: 20160517 |