CN211813185U - Detachable rig jacking device - Google Patents
Detachable rig jacking device Download PDFInfo
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- CN211813185U CN211813185U CN202020333666.XU CN202020333666U CN211813185U CN 211813185 U CN211813185 U CN 211813185U CN 202020333666 U CN202020333666 U CN 202020333666U CN 211813185 U CN211813185 U CN 211813185U
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- jacking
- oil cylinder
- cylinder body
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Abstract
The utility model discloses a detachable rig jacking device, including dead lever and the tight hydro-cylinder in top, be equipped with the installation department that is used for with rig main part fixed connection at the lower extreme of dead lever, be equipped with the chamber that holds of opening upwards in the dead lever, the cylinder body of the tight hydro-cylinder in top is located and is held the intracavity, and the tight hydro-cylinder in top is connected for detachable so that will push up the separation of tight hydro-cylinder from the dead lever and take out between tight hydro-cylinder in top and the dead lever. The utility model relates to a detachable rig jacking device is through installing the tight hydro-cylinder in top in order to hold the mode and holding the intracavity at the dead lever, even if the tight hydro-cylinder in top needs to be maintained or change, only need directly take out in the tight hydro-cylinder in top follows the dead lever, and need not complicated dismantlement procedure, has obviously reduced time cost and human cost.
Description
Technical Field
The utility model relates to a rig technical field, concretely relates to detachable rig jacking device.
Background
The drilling machine is used for coal mining, various drilling machines with different structures exist in the prior art, and in order to ensure the stable operation of the drilling machine in the drilling process, a plurality of drilling machines are provided with jacking oil cylinders. In the prior art, a cylinder body of a jacking oil cylinder is directly and fixedly connected to a drilling machine platform, and a piston rod of the oil cylinder is vertically upward, such as a jacking oil cylinder described in the patent of CN 203701960U. In the prior art, the mode that the jacking oil cylinder is directly and fixedly connected to the drilling machine platform causes inconvenience in maintenance, the jacking oil cylinder is subjected to large stress and is easy to wear or damage, and once the jacking oil cylinder is damaged, a professional maintenance worker is required to use a professional tool to disassemble the jacking oil cylinder from a machine table, so that the jacking oil cylinder is maintained or replaced. Therefore, time and labor costs for maintenance or replacement of the jacking cylinder may be increased.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a detachable rig jacking device.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model relates to a detachable rig jacking device, including dead lever and the tight hydro-cylinder in top, be equipped with the installation department that is used for with rig main part fixed connection at the lower extreme of dead lever, be equipped with the chamber that holds of opening upwards in the dead lever, the cylinder body of the tight hydro-cylinder in top is located and is held the intracavity, and the tight hydro-cylinder in top is connected for detachable so that will push up the separation of tight hydro-cylinder from the dead lever and take out between the tight hydro-cylinder in top and the dead lever.
Furthermore, the whole fixed rod is of a hollow tubular structure, the inner wall of the fixed rod is provided with a limiting step, and the limiting step is positioned below the accommodating cavity; when the jacking oil cylinder is installed behind the containing cavity, the lower end of the jacking oil cylinder is limited and supported by the limiting ladder.
Furthermore, a transition sleeve is arranged between the limiting step and the bottom of the jacking oil cylinder.
Furthermore, an oil pipe hole is formed in the side wall of the fixing rod and close to the lower end of the fixing rod.
Furthermore, the maximum outer diameter of the cylinder body of the jacking oil cylinder is matched with the inner diameter of the accommodating cavity.
Furthermore, after the jacking oil cylinder is installed in the accommodating cavity, the upper end of the cylinder body of the jacking oil cylinder protrudes upwards relative to the top of the fixed rod.
Furthermore, the jacking oil cylinder comprises a first oil pipe joint and a second oil pipe joint, the first oil pipe joint is arranged at the low end of the cylinder body, and the second oil pipe joint is arranged on the side wall of the cylinder body close to the top of the cylinder body.
Furthermore, the jacking oil cylinder further comprises a piston rod and a limiting sleeve, and the limiting sleeve is arranged between the piston rod and the inner wall of the cylinder body close to the top of the cylinder body.
Furthermore, the jacking oil cylinder further comprises a locking nut, the cross section of the locking nut is L-shaped, the upper end of the limiting sleeve is bent and then arranged between the locking nut and the top of the cylinder body, the inner wall of one end of the locking nut is in threaded fit with the outer wall of the cylinder body, and the other end of the locking nut is in compression fit with the upper end of the limiting sleeve.
The beneficial effects of the utility model reside in that: the utility model relates to a detachable rig jacking device is through installing the tight hydro-cylinder in top in order to hold the mode and holding the intracavity at the dead lever, even if the tight hydro-cylinder in top needs to be maintained or change, only need directly take out in the tight hydro-cylinder in top follows the dead lever, and need not complicated dismantlement procedure, has obviously reduced time cost and human cost.
Drawings
In order to make the purpose, technical scheme and beneficial effect of the utility model clearer, the utility model provides a following figure explains:
fig. 1 is the utility model relates to a detachable rig jacking device structure cross-sectional view.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
Fig. 3 is a partially enlarged view of a portion B in fig. 1.
In the figure, 1 is the dead lever, 2 is the tight hydro-cylinder in top, 10 is the installation department, 11 is for holding the chamber, 12 is spacing ladder, 3 is the transition cover, 13 is the oil pipe hole, 20 is first oil pipe joint, 21 is the second oil pipe joint, 22 is the piston rod, 23 is the stop collar, 24 is lock nut.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
As shown in fig. 1, the utility model relates to a detachable rig jacking device includes dead lever 1 and top tight hydro-cylinder 2, lower extreme at dead lever 1 be equipped with be used for with rig main part fixed connection's installation department 10, be equipped with the chamber 11 that holds of upwards opening in dead lever 1, the cylinder body of top tight hydro-cylinder 2 is located and is held in the chamber 11, be detachable connection so that take out the separation in dead lever 1 with top tight hydro-cylinder 2 follow dead lever 1 between top tight hydro-cylinder 2 and the dead lever 1, push up tight hydro-cylinder 2 promptly and hold within dead lever 1 with the mode of placing, form to separable between the two, detachable connected mode.
Referring to fig. 2, the fixing rod 1 is a hollow tubular structure, a limiting step 12 is disposed on the inner wall of the fixing rod 1, and the limiting step 12 is located below the accommodating cavity 11; when the jacking oil cylinder 2 is installed in the accommodating cavity 11, the limiting ladder 12 limits and supports the lower end of the jacking oil cylinder 2. The inner diameter of the fixing rod 1 near the lower end is smaller than that of the accommodating cavity 11 to form a limit step 12.
In the embodiment, a transition sleeve 3 is arranged between the limit step 12 and the bottom of the jacking oil cylinder 2.
An oil pipe hole 13 is formed in the side wall of the fixing rod 1 and close to the lower end, and the height of the oil pipe hole 13 is lower than the bottom of the jacking oil cylinder 2, so that a hydraulic oil pipe can be connected with the jacking oil cylinder 2 inside the hydraulic oil pipe after penetrating through the oil pipe. In this embodiment, the cavity inside the fixing rod is divided into an accommodating cavity 11 above and below for accommodating the tightening cylinder 12, the oil pipe hole is communicated with the cavity, and the cavity is convenient for the arrangement of the hydraulic oil pipe and the connection of the hydraulic oil pipe and the bottom of the tightening cylinder 2.
The biggest external diameter of the cylinder body of the tight hydro-cylinder 2 in top and the internal diameter phase-match that holds chamber 11 as long as make the tight hydro-cylinder 2 in top place can not take place the left and right rocking after holding chamber 11 and rock, make the tight hydro-cylinder 2 in top just can hold down can to in top tight hydro-cylinder 2 steady operation.
When the jacking oil cylinder 2 is installed in the accommodating cavity 11, the upper end of the cylinder body of the jacking oil cylinder 2 protrudes upwards relative to the top of the fixed rod 1. As shown in the drawings, in the present embodiment, most of the structure of the jacking cylinder 2 is accommodated in the accommodating cavity 11, so that the installation stability of the jacking cylinder 2 can be ensured.
In the structure, the lower end of the fixing rod 1 can be fixed on a drilling machine platform through a bolt, when the drilling machine normally works and is not subjected to external destructive force, the fixing rod 1 cannot be damaged normally, and therefore the fixing rod 1 does not need to be detached under the ordinary condition. Even if the jacking oil cylinder 2 is damaged, the jacking oil cylinder 2 can be taken out from the fixing rod 1 only by using a hoisting tool when needing to be maintained or replaced, the operation is very convenient, and professional maintenance personnel are not required to use a professional disassembling tool. The jacking oil cylinder 2 can be maintained or replaced after being taken out, and when the jacking oil cylinder 2 is installed again, the jacking oil cylinder 2 is directly hung into the fixing rod 1 without complex installation procedures. Therefore, time cost and labor cost for maintenance or replacement can be saved as a whole, efficiency is improved, and cost for maintenance or replacement can also be saved. Compared with the traditional mode, if the jacking oil cylinder 2 is damaged, the utility model discloses the maintenance or the change expense of detachable rig jacking device can reduce 3-5 times.
In this embodiment, the jacking cylinder 2 comprises a first oil line connection 20 and a second oil line connection 21, the first oil line connection 20 being provided at the lower end of the cylinder body, and the second oil line connection 21 being provided on the side wall of the cylinder body near the top of the cylinder body. The oil pipe joint is a joint communicated with an oil inlet or an oil outlet of the oil cylinder and is connected with a pipeline of a hydraulic system of the drilling machine so as to realize the lifting of the jacking oil cylinder 2.
As shown in fig. 3, the jacking cylinder 2 further comprises a piston rod 22 and a stop collar 23, and the stop collar 23 is arranged between the piston rod 22 and the inner wall of the cylinder body near the top of the cylinder body.
The jacking oil cylinder 2 further comprises a locking nut 24, the cross section of the locking nut 24 is L-shaped, the upper end of the limiting sleeve 23 is bent and then arranged between the locking nut 24 and the top of the cylinder body, the inner wall of one end of the locking nut 24 is in threaded fit with the outer wall of the cylinder body, and the other end of the locking nut 24 is in compression fit with the upper end of the limiting sleeve 23.
In this embodiment, in order to ensure the sealing effect of the jacking cylinder 2, various sealing devices are also arranged in the cylinder, for example, a dustproof sealing ring is arranged between the locking nut 24 and the piston rod 22, and a plurality of groups of sealing rings are arranged between the stop collar 23 and the piston rod 22, so that the sealing effect can be ensured after a single sealing ring is failed.
The utility model relates to a detachable rig jacking device is through installing the tight hydro-cylinder in top in order to hold the mode and holding the intracavity at the dead lever, even if the tight hydro-cylinder in top needs to be maintained or change, only need directly take out in the tight hydro-cylinder in top follows the dead lever, and need not complicated dismantlement procedure, and on the same way, the reinstallation of also being convenient for has obviously reduced time cost and human cost.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.
In the description of the present invention, it should be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, when referring to the orientation or positional relationship indicated in the drawings, are used for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention. Furthermore, the appearances of the terms "first," "second," and the like, if any, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Claims (8)
1. The utility model provides a detachable rig jacking device which characterized in that: the drilling machine comprises a fixed rod and a jacking oil cylinder, wherein the lower end of the fixed rod is provided with an installation part fixedly connected with a drilling machine main body, an accommodating cavity with an upward opening is arranged in the fixed rod, a cylinder body of the jacking oil cylinder is arranged in the accommodating cavity, and the jacking oil cylinder is detachably connected with the fixed rod; the fixing rod is integrally of a hollow tubular structure, a limiting step is arranged on the inner wall of the fixing rod and located below the accommodating cavity, and the inner diameter of the fixing rod close to the lower end is smaller than that of the accommodating cavity so as to form the limiting step; when the jacking oil cylinder is installed behind the containing cavity, the lower end of the jacking oil cylinder is limited and supported by the limiting ladder.
2. The detachable rig jacking device of claim 1, wherein: and a transition sleeve is arranged between the limiting step and the bottom of the jacking oil cylinder.
3. The detachable rig jacking device of claim 1, wherein: and an oil pipe hole is formed in the side wall of the fixed rod and is close to the lower end, and the height of the oil pipe hole is lower than the bottom of the jacking oil cylinder.
4. The detachable rig jacking device of claim 1, wherein: the maximum outer diameter of the cylinder body of the jacking oil cylinder is matched with the inner diameter of the accommodating cavity.
5. The detachable rig jacking device of claim 1, wherein: when the jacking oil cylinder is installed behind the containing cavity, the upper end of the cylinder body of the jacking oil cylinder protrudes upwards relative to the top of the fixed rod.
6. The detachable rig jacking device of claim 1, wherein: the jacking oil cylinder comprises a first oil pipe joint and a second oil pipe joint, the first oil pipe joint is arranged at the lower end of the cylinder body, and the second oil pipe joint is arranged on the side wall of the cylinder body close to the top of the cylinder body.
7. The detachable rig jacking device of claim 1, wherein: the jacking oil cylinder further comprises a piston rod and a limiting sleeve, and the limiting sleeve is arranged between the piston rod and the inner wall of the cylinder body and close to the top of the cylinder body.
8. The detachable rig jacking device of claim 7, wherein: the jacking oil cylinder further comprises a locking nut, the cross section of the locking nut is L-shaped, the upper end of the limiting sleeve is bent and then is arranged between the locking nut and the top of the cylinder body, the inner wall of one end of the locking nut is in threaded fit with the outer wall of the cylinder body, and the other end of the locking nut is in compression fit with the upper end of the limiting sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020333666.XU CN211813185U (en) | 2020-03-17 | 2020-03-17 | Detachable rig jacking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020333666.XU CN211813185U (en) | 2020-03-17 | 2020-03-17 | Detachable rig jacking device |
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| Publication Number | Publication Date |
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| CN211813185U true CN211813185U (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020333666.XU Active CN211813185U (en) | 2020-03-17 | 2020-03-17 | Detachable rig jacking device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112680833A (en) * | 2020-12-18 | 2021-04-20 | 湖南仁瑞无纺制品有限公司 | Cotton fabrics production is with opening device |
-
2020
- 2020-03-17 CN CN202020333666.XU patent/CN211813185U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112680833A (en) * | 2020-12-18 | 2021-04-20 | 湖南仁瑞无纺制品有限公司 | Cotton fabrics production is with opening device |
| CN112680833B (en) * | 2020-12-18 | 2022-05-17 | 湖南仁瑞无纺制品有限公司 | A kind of opening device for cotton textile production |
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