CN203685756U - Long-stroke oil cylinder system for large-tonnage water press - Google Patents
Long-stroke oil cylinder system for large-tonnage water press Download PDFInfo
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- CN203685756U CN203685756U CN201320795065.0U CN201320795065U CN203685756U CN 203685756 U CN203685756 U CN 203685756U CN 201320795065 U CN201320795065 U CN 201320795065U CN 203685756 U CN203685756 U CN 203685756U
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- plunger
- cylinder body
- large plunger
- oil cylinder
- cambered surface
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Abstract
The utility model particularly relates to a long-stroke oil cylinder system for a large-tonnage water press. The long-stroke oil cylinder system comprises a cylinder body, a moving head component and a piston, wherein a front cover and a rear cover are arranged at the two ends of the cylinder body; the piston comprises a large plunger and a small plunger; the exterior of the large plunger slides inside the cylinder body in a matched manner; the small plunger is mounted inside the large plunger in a sleeving manner; one end of the small plunger is fixed on the rear cover; the other end of the small plunger is supported on the inner wall of the large plunger through supporting rollers; one end of the large plunger extends from the front cover and is connected with the moving head component; a steel ring is arranged on the outer wall from which the large plunger extends from the cylinder body end; a trolley is arranged below the moving head component; the trolley is connected with the steel ring through a connecting bracket; a flexible support adjusting device is arranged between the large plunger and the trolley. According to the utility model, the long-stroke horizontal movement of the oil cylinder large plunger replaces the overall movement of the oil cylinder, so as to enable the operation to be convenient and simple.
Description
Technical field
The utility model is specifically related to a kind of large-tonnage hydraulic pressure captain stroke oil cylinder system.
Background technique
In the large vertical masonry joint submerged arc welding of JCOE Oil/Gas Pipe production line, carry out the hydrostatic test to the steel pipe of manufacturing, carry out pressure test by the sealed at both ends rear inner water-filling of steel pipe.And the length of steel pipe is not what fix, General Requirements is 8000～12500mm, and this moves with regard to the sealed end that requires two ends, to adapt to the caliber of different length.Traditional method is that one end is fixed, the other end is installed the oil cylinder of stroke 1000mm left and right, the steel pipe in this oil cylinder stroke is suppressed, while exceeding this scope by oil cylinder integral forward lead certain position, by plug the mode of bearing pin on tension beam, the stroke of recycling oil cylinder is adjusted position.
In use find: oil cylinder and shifter deadweight thereof are heavier, mobile inconvenience, and at every turn not smooth to bolt axle, sometimes need repeatedly to proofread and correct, this just directly has influence on manufacturing efficiency and operator's workload, simultaneously easily by bearing pin and axis hole plucking.And on tension beam, need pin hole processing, destroyed the producing balanced forces of tension beam, while suppressing distortion larger, oil cylinder, all the time in dynamical state, has certain influence to the precision of voltage regulation.Overall structure more complicated, auxiliary movement is more, operation inconvenience.
Model utility content
The purpose of this utility model is to provide a kind of large-tonnage hydraulic pressure captain stroke oil cylinder system, and the long stroke of realizing piston moves horizontally, thereby meets the hydrostatic test of 11000～12500mm length steel pipe.
To achieve these goals, the technological scheme that the utility model is taked is:
A kind of large-tonnage hydraulic pressure captain stroke oil cylinder system, comprise cylinder body, slip-on head assembly and piston, the two ends of described cylinder body are provided with front/rear cover, described piston comprises large and small plunger, the outside cunning of this large plunger fits in cylinder body, the internal sleeve of large plunger is equipped with small plunger, and one end of small plunger is fixed on bonnet, and the other end of small plunger is supported on large plunger inwall by support roller; One end of described large plunger is extended described protecgulum and is connected with slip-on head assembly, and the outer wall that large plunger extends cylinder body end is provided with steel ring; The below of described slip-on head assembly is provided with dolly, and dolly is connected with described steel ring by connection bracket, between large plunger and dolly, is provided with flexible support regulating device.
Described flexible support regulating device comprises cambered surface Support cushion, and this cambered surface Support cushion is connected with lower support pad, between described cambered surface Support cushion and lower support pad, is provided with dish spring; Support cushion is fixed on dolly, described cambered surface Support cushion be combined with above cambered surface adjusting nut, cambered surface adjusting nut is by adjusting double-screw bolt and being fixed on huge pillar arch brace pad beyond the Great Wall and being connected, described adjustment double-screw bolt is provided with locking nut.
The beneficial effects of the utility model are:
The utility model is moved horizontally and has been substituted oil cylinder integrated moving by the long stroke of the large plunger of oil cylinder, makes it convenient and simple for operation; And the utility model can guarantee that plunger is all the time in level, the component failure that can effectively avoid self very heavy plunger to cause unbalance stress to cause due to centre-of gravity shift in moving process.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is flexible support regulating device structural representation.
Embodiment
As shown in the figure, a kind of large-tonnage hydraulic pressure captain stroke oil cylinder system, comprises cylinder body 6 and piston, and the two ends of described cylinder body 6 are respectively equipped with protecgulum 13 and bonnet 5, and protecgulum 13 and bonnet 5 are fixed on the front end and back end of cylinder body 6 by screw rod; This piston comprises large plunger 8 and small plunger 9, the outside cunning of described large plunger 8 fits in cylinder body 6, the outer wall of large plunger 8 coordinates with the inner tight of cylinder body 6, described cylinder body 6 is provided with guide sleeve 10 near the inwall of described protecgulum 13 ends, is provided with and the close-fitting seal ring 12 of large plunger 8 near cylinder body 6 inwalls of protecgulum 13; The internal sleeve of described large plunger 8 is equipped with small plunger 9, one end of small plunger 9 is bolted on bonnet 5, on the outer wall of small plunger 9 the other ends, be evenly distributed in three support rollers 11 and be supported on large plunger 8 inwalls, described support roller 11 is fixed on small plunger 9 by support, and the outer wall of the inwall of described large plunger 8 and small plunger 9 closely cooperates; One end of described large plunger 8 is extended protecgulum 13 and is connected with bulb 33 by screw rod, bulb 33 coordinates with ball-and-socket 34, ball-and-socket 34 is fixedly mounted in slip-on head assembly 14, large plunger 8 is provided with pressure ring 32 near the outer wall of bulb end, and screw rod coordinates dish spring through pressure ring 32, large plunger 8 and slip-on head assembly 14 to be linked together; On the inwall of described large plunger 8 near bonnet end, be set with stop collar 7, stop collar 7 closely cooperates with large plunger 8, and described stop collar 7 is fixed on bonnet 5 by screw rod.
The below of slip-on head assembly 14 is provided with dolly 3, the below of this slip-on head assembly 14 is provided with "T"-shaped boss, the corresponding "T"-shaped boss in dolly 3 tops is provided with inverse-T-shaped boss, between two boss, big spring is installed, between slip-on head assembly 14 and dolly 3, be provided with screw rod, the upper end of screw rod and slip-on head assembly 14 are fixed, its lower end is through boss, little spring being installed and being fixed by nut through on the screw rod of boss end, by the decrement of adjusting size spring, the weight of slip-on head assembly 14 is supported on dolly 3.
Described slip-on head assembly 14 is provided with seal ring away from the end face of ball-and-socket 34 ends, and the center of end face is provided with high pressure water injection mouth, and high pressure water injection mouth is communicated with the water injecting pipe of the inside that is located at slip-on head assembly 14.
Dolly 3 is connected with the steel ring 21 that is located at large plunger 8 and extends on the outer wall of cylinder body end by connection bracket 20, described steel ring 21 is fixedly connected on large plunger 8, one end of described connection bracket 20 is fixedly connected on dolly, the other end of this connection bracket 20 is connected with steel ring 21 bolts, and large plunger 8 extends between the bottom of cylinder body end and dolly 3 and is provided with flexible support regulating device 2.
Described flexible support regulating device 2 comprises cambered surface Support cushion 202, and the outside of the bottom of cambered surface Support cushion 202 is provided with dish spring, and cambered surface Support cushion 202 is connected with lower support pad 201 by bolt; Support cushion 201 is fixed on dolly 3 by screw rod, the cooperation above of described cambered surface Support cushion 202 is provided with cambered surface adjusting nut 203, cambered surface adjusting nut 203 is connected with the arch brace pad 208 being engaged on large plunger 8 by adjusting double-screw bolt 204, in described arch brace pad 208, be provided with and the internal thread of adjusting double-screw bolt 204 and matching, described adjustment double-screw bolt 204 is provided with locking nut 205 and cambered surface adjusting nut 203.The height of adjusting double-screw bolt and adjust large plunger 8 by adjustment, described double-screw bolt is stud, and in the time that needs increase, rotation double-screw bolt, increases the spacing between large plunger and dolly, and anti regular reduces spacing, finally by rotational lock nut check.
In use, oil cylinder is fixed on support, and large plunger moves forward, and dolly promotes to move forward by connection bracket, and in the time that large plunger moves in scope in 1500mm, large plunger center of gravity is within the scope of guide sleeve; In the time being greater than 1500mm, large plunger out-shift of gravity center, can do trace by flexible support regulating device according to large plunger weight and transfer, move horizontally to realize the long stroke of large plunger, and make large plunger all the time in level by the adjustment of flexible support regulating device.The utility model is simple in structure, easy to use, and efficiency is high.
Claims (2)
1. a large-tonnage hydraulic pressure captain stroke oil cylinder system, comprise cylinder body, slip-on head assembly and piston, the two ends of described cylinder body are provided with front/rear cover, it is characterized in that: described piston comprises large and small plunger (8,9), the outside cunning of this large plunger (8) fits in cylinder body (6), the internal sleeve of large plunger (8) is equipped with small plunger (9), and it is upper that one end of small plunger (9) is fixed on bonnet (5), and the other end of small plunger (9) is supported on large plunger (8) inwall by support roller (11); One end of described large plunger (8) is extended protecgulum (13) and is connected with slip-on head assembly (14), and the outer wall that large plunger (8) extends cylinder body end is provided with steel ring (21); The below of described slip-on head assembly (14) is provided with dolly (3), and dolly (3) is connected with described steel ring (21) by connection bracket (20), between large plunger (8) and dolly (3), is provided with flexible support regulating device (2).
2. a kind of large-tonnage hydraulic pressure captain stroke oil cylinder system according to claim 1, it is characterized in that: described flexible support regulating device (2) comprises cambered surface Support cushion (202), this cambered surface Support cushion (202) is connected with lower support pad (201), between described cambered surface Support cushion (202) and lower support pad (201), is provided with dish spring; Support cushion (201) is fixed on dolly (3), above described cambered surface Support cushion (202), be combined with cambered surface adjusting nut (203), cambered surface adjusting nut (203) is connected with the arch brace pad (208) being fixed on large plunger (8) by adjusting double-screw bolt (204), and described adjustment double-screw bolt (204) is provided with locking nut (205).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320795065.0U CN203685756U (en) | 2013-12-06 | 2013-12-06 | Long-stroke oil cylinder system for large-tonnage water press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320795065.0U CN203685756U (en) | 2013-12-06 | 2013-12-06 | Long-stroke oil cylinder system for large-tonnage water press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203685756U true CN203685756U (en) | 2014-07-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320795065.0U Expired - Fee Related CN203685756U (en) | 2013-12-06 | 2013-12-06 | Long-stroke oil cylinder system for large-tonnage water press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203685756U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108204384A (en) * | 2016-12-19 | 2018-06-26 | 赛峰起落架系统英国有限公司 | The actuator at searching center |
| CN108386414A (en) * | 2018-05-16 | 2018-08-10 | 无锡市威特机械有限公司 | A kind of long stroke oil cylinder tail end adjusting bracket |
-
2013
- 2013-12-06 CN CN201320795065.0U patent/CN203685756U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108204384A (en) * | 2016-12-19 | 2018-06-26 | 赛峰起落架系统英国有限公司 | The actuator at searching center |
| CN108386414A (en) * | 2018-05-16 | 2018-08-10 | 无锡市威特机械有限公司 | A kind of long stroke oil cylinder tail end adjusting bracket |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HUNAN PROVINCIAL TRANSMISSION AND DISTRIBUTION ENG Free format text: FORMER OWNER: TIANSHUI METALFORMING MACHINE TOOL (GROUP) CO., LTD. Effective date: 20150330 Owner name: TIANSHUI METALFORMING MACHINE TOOL (GROUP) CO., LT Effective date: 20150330 |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 741020 TIANSHUI, GANSU PROVINCE TO: 411100 XIANGTAN, HUNAN PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150330 Address after: 411100 Construction No. 1 South Road, hi tech Zone, Hunan, Xiangtan Patentee after: HUNAN SHENGLI XIANGGANG STEEL PIPE CO., LTD. Patentee after: Tianshui Metalforming Machine Tool (Group) Co., Ltd. Address before: 741020 Gansu province Tianshui Maiji District of Weibin Road No. 58 Patentee before: Tianshui Metalforming Machine Tool (Group) Co., Ltd. |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: HUNAN SHENGLI XIANGGANG STEEL PIPE CO., LTD. Assignor: Hunan victory Xiangtan Steel Pipe limited company|Tianshui Metalforming Machine Tool (Group) Co., Ltd. Contract record no.: 2015430000048 Denomination of utility model: Long-stroke oil cylinder system for large-tonnage water press Granted publication date: 20140702 License type: Exclusive License Record date: 20150520 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| 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: 20140702 Termination date: 20181206 |