CN215358237U - Hydraulic casing pipe extractor - Google Patents
Hydraulic casing pipe extractor Download PDFInfo
- Publication number
- CN215358237U CN215358237U CN202121451540.3U CN202121451540U CN215358237U CN 215358237 U CN215358237 U CN 215358237U CN 202121451540 U CN202121451540 U CN 202121451540U CN 215358237 U CN215358237 U CN 215358237U
- Authority
- CN
- China
- Prior art keywords
- rod
- jack
- hook
- flat plate
- fixedly connected
- 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.)
- Active
Links
Images
Abstract
The utility model relates to a hydraulic casing pipe extractor which comprises a jack, a device support, a pull rod, a grapple and a limit pin, wherein the jack is arranged above the device support, the jack is of a hollow structure, the pull rod is movably inserted into the jack, the pull rod is movably connected with the grapple, and the grapple is movably connected with the limit pin; the pull rod comprises a cylindrical rod, a screw thread is arranged on the outer surface of the cylindrical rod, a hook is fixedly connected to the lower portion of the cylindrical rod, a first nut is sleeved outside the cylinder in a matched mode, and the first nut is located above the jack; the grabbing hook comprises a circular ring, a vertical rod is connected below the circular ring, the lower part of the vertical rod is fixedly connected with a hook, and the hook is movably connected with the circular ring; the device support comprises a flat plate, the lower portion of the flat plate is fixedly connected with three telescopic supporting legs, and through holes are formed in the flat plate. Compared with the prior art, the utility model has the advantages that: it is rational in infrastructure, be convenient for pull out eccentric awl and eccentric sleeve pipe.
Description
Technical Field
The utility model relates to the technical field of railway maintenance, in particular to a hydraulic casing pipe extractor.
Background
The technical complexity of railway turnouts is high, the straight line shape of the flat longitudinal section in the railway directly influences the running safety of the train, and the turnout laying precision directly restricts the running speed. When the turnout is paved and maintained, the eccentric cone of the slide plate is required to be adjusted to adjust the plane position of the turnout or a related rail member, the eccentric cone is arranged in a vertical hole of the slide plate, the upper part of the eccentric cone is provided with a lug, the lower part of the eccentric cone is provided with 4 grooves, the overlooking outer contour is an ellipse, and the inner contour is a circle.
The patent relates to an outer support inner cavity extractor, a bolt and a sleeve extracting device, and discloses an eccentric cone extracting tool.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides a hydraulic casing extractor which is reasonable in structure and convenient for extracting an eccentric cone and an eccentric casing.
In order to achieve the purpose of the utility model, the utility model adopts the technical scheme that: a hydraulic casing pipe extractor comprises a jack, a device support, a pull rod, a grapple and a limit pin, wherein the jack is installed above the device support, the jack is of a hollow structure and penetrates through the jack up and down, the pull rod is movably inserted into the jack, the pull rod is movably connected with the grapple, and the grapple is movably connected with the limit pin;
the pull rod comprises a cylindrical rod, the outer surface of the cylindrical rod is provided with a screw thread, the lower part of the cylindrical rod is fixedly connected with a hook, the outside of the cylinder is sleeved with a first nut in a matching way, the first nut is positioned above the jack, and the diameter of the first nut is larger than that of the hollow hole of the jack;
the grabbing hook comprises a circular ring, a vertical rod is connected below the circular ring, a hook is fixedly connected to the lower portion of the vertical rod, the hook is movably connected with the circular ring, the grabbing hook is attached to a limiting pin in a working state to prevent the grabbing hook from falling off, and the vertical rod and the hook are L-shaped;
the device support comprises a flat plate, the lower portion of the flat plate is fixedly connected with three telescopic supporting legs, and through holes matched with the hollow jacks are formed in the flat plate.
As an improvement: the three telescopic supporting legs are uniformly distributed along the through hole.
As an improvement: the telescopic supporting leg comprises an external thread rod and a cylinder, wherein the upper part of the external thread rod is fixed with the flat plate, and the cylinder is sleeved outside the external thread rod and is fixedly connected with a nut matched with the external thread rod on the upper part.
As an improvement: the vertical rod is of a semicircular structure.
As an improvement: the limiting pin is of a semicircular structure matched with the vertical rod.
Compared with the prior art, the utility model has the advantages that: the device provided by the utility model enables an operator to press the jack hydraulic rod to provide an upward pulling force by the jack, so that the grapple pulls the eccentric cone out from the installation position by a little, the pulling of the eccentric cone is realized, and a larger upward pulling force is provided.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the construction of the jack of the present invention;
FIG. 3 is a schematic view of the device support structure of the present invention;
FIG. 4 is a schematic view of the structure of the tie bar of the present invention;
fig. 5 is a schematic view of the grapple of the present invention.
FIG. 6 is a schematic view of the eccentric cone structure of the working object of the present invention;
reference symbol comparison table:
1. a jack; 2. a device holder; 21. a flat plate; 22. a telescopic leg; 3. a pull rod; 31. threading; 32. a first nut; 33. hooking; 4. a grapple; 41. a circular ring; 42. a vertical rod; 43. a hook; 5. and a limiting pin.
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings.
The hydraulic casing pipe extractor shown in fig. 1-5 comprises a jack 1, a device support 2, a pull rod 3, a grapple 4 and a limit pin 5, wherein the jack 1 is fixedly connected with the device support 2, the jack 1 is movably connected with the pull rod 3, and the pull rod 3 is movably connected with the grapple 4. The jack 1 is a hollow structure, the device support 2 is composed of a flat plate 21 and telescopic supporting legs 22, wherein the middle part of the flat plate 21 is provided with a through hole which is communicated with the hollow structure of the jack 1 from top to bottom, the telescopic supporting legs 22 are uniformly distributed around the holes of the flat plate 21, the supporting legs 22 are divided into an upper part and a lower part, the upper part is fixedly connected with the flat plate 21 and is of a cylindrical structure, the surface is provided with threads, the lower part is a cylinder, the upper part of the cylinder is fixedly connected with a nut, the nut and the upper part threads form the supporting legs 22 which can rotate to achieve the telescopic purpose, the pull rod 3 is of a cylindrical structure, the surface is provided with a screw thread 31, the screw thread 31 and a nut I32 form a detachable movable connection, the lower part of the pull rod 3 is fixedly connected with a hook 33, the upper part of the grabbing hook 4 is a circular ring 41, the lower part of the circular ring 41 is fixedly connected with a vertical rod 42, the lower part of the vertical rod 42 is fixedly connected with a hook 43, the vertical rod 42 and the hook 43 are in an L shape, the vertical rod 42 has a semicircular top view, and the limit pin 5 has a semicircular top view.
During the use, combine figure 6, grapple 4 is deep into inside through the through-hole at eccentric awl top, and then move grapple 4 all around and make hook 43 hang in the recess of eccentric awl bottom, with spacer pin 5 through the through-hole at eccentric awl top, grapple 4 and spacer pin 5 form the through-hole that the cylinder filled up the eccentric awl jointly.
At the beginning, the whole formed by the jack 1 and the device bracket 2 is inclined, after the bolt 32 of the pull rod 3 is taken down, the pull rod 3 penetrates through a through hole formed by the flat plate 21 of the device bracket 2 and the hollow part of the jack 1 from bottom to top, the hook 33 is hung on the circular ring 41, the jack 1 is righted, and the first nut 32 is screwed. After the jack 1 is righted, the telescopic legs 22 are adjusted to ensure that the jack is level.
And (3) pressing the pull rod of the jack 1 to provide lifting force, and pulling out the eccentric cone to finish the pulling operation.
The working condition of pulling the eccentric cone is also suitable for pulling the eccentric sleeve of the turnout slide plate.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the utility model, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the utility model can be combined with each other without conflict;
and finally: the present invention is not limited to the above preferred embodiments, but rather, any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a ware is pulled out to hydraulic pressure sleeve pipe, includes jack, device support, pull rod, grapple, spacer pin, its characterized in that: the lifting jack is arranged above the device support, the lifting jack is of a hollow structure and penetrates through the lifting jack up and down, the pull rod is movably inserted into the lifting jack, the pull rod is movably connected with the grapple, and the grapple is movably connected with the limit pin;
the pull rod comprises a cylindrical rod, the outer surface of the cylindrical rod is provided with a screw thread, the lower part of the cylindrical rod is fixedly connected with a hook, the outside of the cylinder is sleeved with a first nut in a matching way, the first nut is positioned above the jack, and the diameter of the first nut is larger than that of the hollow hole of the jack;
the grabbing hook comprises a circular ring, a vertical rod is connected below the circular ring, a hook is fixedly connected to the lower portion of the vertical rod, the hook is movably connected with the circular ring, the grabbing hook is attached to a limiting pin in a working state to prevent the grabbing hook from falling off, and the vertical rod and the hook are L-shaped;
the device support comprises a flat plate, the lower portion of the flat plate is fixedly connected with three telescopic supporting legs, and through holes matched with the hollow jacks are formed in the flat plate.
2. The hydraulic bushing extractor of claim 1, wherein: the three telescopic supporting legs are uniformly distributed along the through hole.
3. A hydraulic casing extractor according to claim 2, wherein: the telescopic supporting leg comprises an external thread rod and a cylinder, wherein the upper part of the external thread rod is fixed with the flat plate, and the cylinder is sleeved outside the external thread rod and is fixedly connected with a nut matched with the external thread rod on the upper part.
4. The hydraulic bushing extractor of claim 1, wherein: the vertical rod is of a semicircular structure.
5. A hydraulic casing extractor according to claim 3, wherein: the limiting pin is of a semicircular structure matched with the vertical rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121451540.3U CN215358237U (en) | 2021-06-29 | 2021-06-29 | Hydraulic casing pipe extractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121451540.3U CN215358237U (en) | 2021-06-29 | 2021-06-29 | Hydraulic casing pipe extractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215358237U true CN215358237U (en) | 2021-12-31 |
Family
ID=79605774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121451540.3U Active CN215358237U (en) | 2021-06-29 | 2021-06-29 | Hydraulic casing pipe extractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215358237U (en) |
-
2021
- 2021-06-29 CN CN202121451540.3U patent/CN215358237U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203317005U (en) | Large hoist cylinder disassembly, assembly and trial equipment system | |
| CN102022123B (en) | Integral lining method for tunnel with altered diameter by model board trolley | |
| CN215358237U (en) | Hydraulic casing pipe extractor | |
| CN102328197A (en) | Hydraulic automatic pin pulling device | |
| CN206014344U (en) | Oil-well rig preventer hangs shifting and safeguards integrated apparatus | |
| CN204588637U (en) | Jack-up system under a kind of two oil cylinder | |
| CN205074995U (en) | Diesel engine cylinder sleeve goes up and down to demolish device | |
| CN206352387U (en) | A kind of deformable hoistway operation steel platform of automatic climbing formula | |
| CN213243480U (en) | Replaceable anti-drop U-shaped ball head | |
| CN205310867U (en) | Tire aerify forming machine | |
| CN203545565U (en) | Hoist capable of moving in all directions | |
| CN106758826A (en) | A kind of apparatus and method for removing dragging suspension basket for overall decentralization | |
| CN203439928U (en) | Support device for hanging hoist | |
| CN201549375U (en) | Naked-cylinder foil winding solidification support tool | |
| CN105822241B (en) | A kind of automatic servicing unit of well workover | |
| CN201572898U (en) | Mould opening machine | |
| CN206263217U (en) | A kind of convenient removable unit of wheel die | |
| CN205969525U (en) | High -order wall punches electric hammer and moves movable support | |
| CN106410671B (en) | A kind of device for aiding in changing tube type bus support porcelain vase | |
| CN219199057U (en) | Aviation obstruction light bracket | |
| CN204552640U (en) | A kind of Oil/gas Well beam hanger pull-up | |
| CN103613034B (en) | Can direction movement be capable hangs | |
| CN219665200U (en) | Positioning fixture of drilling machine for precision iron castings | |
| CN203783131U (en) | Synchronous constructiondevice for concrete cylinder wall and internal steel cylinder wall of chimney | |
| CN215886257U (en) | Convenient jacking device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221024 Address after: 710025 Room 10404, Building 22, Qinghua District, No. 1, Tianhongzheng Street, Baqiao District, Xi'an, Shaanxi Patentee after: Xi'an Silk Road Hongtu Measurement and Control Technology Co.,Ltd. Address before: 710025 Ding Zhang Hu Cun, Baqiao District, Xi'an City, Shaanxi Province 157 Patentee before: Li Zhengwei |
|
| TR01 | Transfer of patent right |