CN216197980U - Slide bar lifting mechanical expansion plug - Google Patents
Slide bar lifting mechanical expansion plug Download PDFInfo
- Publication number
- CN216197980U CN216197980U CN202122715886.6U CN202122715886U CN216197980U CN 216197980 U CN216197980 U CN 216197980U CN 202122715886 U CN202122715886 U CN 202122715886U CN 216197980 U CN216197980 U CN 216197980U
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- hollow
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- slide rod
- sealing
- plug
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Abstract
The utility model relates to a slide bar lifting mechanical type expansion plug, which relates to the technical field of hydroelectric reservoir mine tunnel engineering and comprises a drill rod screw thread, a hollow slide rod, an expansion rubber tube and a sealing plug; the drill rod screw thread is fixedly connected with the upper end of the hollow sliding rod in a penetrating way, and the lower end of the hollow sliding rod is hermetically connected with a sealing plug; the expansion rubber pipe is sleeved on the hollow slide rod; the pipe wall of the hollow slide rod is provided with a water injection hole; the number of the sealing sleeves is two, the sealing sleeves are sleeved on the hollow slide rod and are respectively fixed at the upper end and the lower end of the expansion rubber pipe; the compression spring is sleeved on the hollow slide rod and is positioned between the screw thread of the drill rod and the sealing sleeve at the upper end. And an additional pipe is not needed to be connected with a special water pump or a compression air compressor, so that the production cost is reduced, the process flow is simplified, and the construction is quicker and more convenient.
Description
Technical Field
The utility model relates to the technical field of mine tunnel engineering of hydroelectric reservoirs, in particular to a slide bar lifting mechanical expansion plug.
Background
At present, the expansion rubber tubes are connected with a special water pump or a compression air compressor through a single pipe, so that the rubber tubes are expanded through water and air, the investment cost is relatively high, and the process flow is relatively complex.
Disclosure of Invention
The utility model aims to overcome the defects and shortcomings of the prior art, and provides a sliding rod lifting mechanical expansion plug which is connected with a special water pump or a compression air compressor without an additional pipe, so that the production cost is reduced, the process flow is simplified, and the construction is quicker and more convenient.
In order to achieve the purpose, the utility model adopts the following technical scheme: it comprises a drill rod screw thread, a hollow slide rod, an expansion rubber tube and a sealing plug; the drill rod screw thread is fixedly connected with the upper end of the hollow sliding rod in a penetrating way, and the lower end of the hollow sliding rod is hermetically connected with a sealing plug; the expansion rubber pipe is sleeved on the hollow slide rod; the pipe wall of the hollow slide rod is provided with a water injection hole; it also includes:
the number of the sealing sleeves is two, the sealing sleeves are sleeved on the hollow slide rod and are respectively fixed at the upper end and the lower end of the expansion rubber pipe;
and the compression spring is sleeved on the hollow slide rod and is positioned between the screw thread of the drill rod and the sealing sleeve at the upper end.
Preferably, a sealing ring is clamped between the contact surfaces of the sealing sleeve and the hollow slide rod.
Preferably, the sealing plug is in threaded connection with the hollow slide rod.
Preferably, the outer wall of the expansion rubber pipe is movably abutted against the inner wall of the drilled hole.
Preferably, the peripheral wall of the sealing plug is connected with an anti-collision plate, and the anti-collision plate is movably attached to the lower port of the expansion rubber tube.
Compared with the prior art, the utility model has the beneficial effects that: the utility model provides a slide bar lifting mechanical expansion plug, which is connected with a special water pump or a compression air compressor without an additional pipe, reduces the production cost, simplifies the process flow and is quicker and more convenient to construct.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a state diagram of the use of the present invention.
Description of reference numerals:
the device comprises a drill rod screw thread 1, a hollow slide rod 2, a water injection hole 2-1, a compression spring 3, a sealing sleeve 4, an expansion rubber tube 5, a plugging plug 6, a sealing ring 7, a drill hole 8 and an anti-collision plate 9.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings, and the preferred embodiments in the description are only examples, and all other embodiments obtained by those skilled in the art without any inventive work belong to the protection scope of the present invention.
As shown in fig. 1 and fig. 2, the following technical solutions are adopted in the present embodiment: the device comprises a drill rod screw thread 1, a hollow slide rod 2, an expansion rubber tube 5 and a plugging plug 6; the drill rod screw thread 1 is fixedly connected to the upper end of the hollow sliding rod 2 in a penetrating mode, the lower end of the hollow sliding rod 2 is connected with a sealing plug 6 in a sealing mode through threads, the peripheral wall of the sealing plug 6 is connected with an anti-collision plate 9, the expansion rubber tube 5 is sleeved on the hollow sliding rod 2, the anti-collision plate 9 is movably attached to the lower port of the expansion rubber tube 5, the outer diameter of the anti-collision plate is the same as that of the expansion rubber tube 5, and when the whole body descends, obstacles on the wall of a drill hole 8 can be pressed downwards to further protect the expansion rubber tube 5; the pipe wall of the hollow slide rod 2 is provided with a water injection hole 2-1; it also includes:
the sealing sleeves 4 are arranged in two, are sleeved on the hollow slide rod 2 and are respectively fixed at the upper end and the lower end of the expansion rubber tube 5, a sealing ring 7 is clamped between the contact surfaces of the sealing sleeves 4 and the hollow slide rod 2, and a sealing space is formed among the sealing sleeves 4, the hollow slide rod 2 and the expansion rubber tube 5;
and the compression spring 3 is sleeved on the hollow slide rod 2 and is positioned between the drill rod screw thread 1 and the sealing sleeve 4 at the upper end.
The working principle of the specific embodiment is as follows: installing a drill rod on a drill rod screw thread 1, enabling water to enter a hollow sliding rod 2 from the drill rod and enter an expansion rubber tube 5 from a water injection hole 2-1 on the hollow sliding rod 2, expanding the expansion rubber tube 5 to a certain degree, and enabling the outer wall of the expansion rubber tube 5 and the hole wall of a drill hole 8 to generate a certain friction force and a certain tension force to abut against the expansion rubber tube 5; at the moment, the drill rod is pressed downwards to enable the compression spring 3 to be compressed and contracted, the hollow sliding pipe 2 slides downwards relative to the expansion rubber pipe 5, the water injection hole 2-1 is exposed in the drill hole 8, then the pump is started to inject or discharge required media, the construction process after expansion is completed, and the drill rod is directly lifted out of the drill hole 8 after construction is completed and can be used repeatedly.
Compared with the prior art, the beneficial effects of the embodiment are as follows: the specific embodiment provides a mechanical expansion plug for lifting a sliding rod, a pipe does not need to be additionally arranged to be connected with a special water pump or a compression air compressor, the production cost is reduced, the process flow is simplified, and the construction is quicker and more convenient.
It will be appreciated by those skilled in the art that modifications and equivalents may be made to the embodiments described above, and that various modifications, equivalents, improvements and the like may be made without departing from the spirit and scope of the utility model.
Claims (5)
1. A slide bar lifting mechanical expansion plug comprises a drill bar screw thread (1), a hollow slide bar (2), an expansion rubber tube (5) and a plugging plug (6); the drill rod screw thread (1) is fixedly connected with the upper end of the hollow sliding rod (2) in a penetrating way, and the lower end of the hollow sliding rod (2) is hermetically connected with a sealing plug (6); the expansion rubber pipe (5) is sleeved on the hollow slide rod (2); the water injection device is characterized in that a water injection hole (2-1) is formed in the pipe wall of the hollow slide rod (2); it also includes:
the number of the sealing sleeves (4) is two, the sealing sleeves (4) are sleeved on the hollow slide rod (2) and are respectively fixed at the upper end and the lower end of the expansion rubber pipe (5);
the compression spring (3) is sleeved on the hollow sliding rod (2) and is positioned between the drill rod screw thread (1) and the sealing sleeve (4) at the upper end.
2. The slide rod lifting mechanical expansion plug as claimed in claim 1, wherein: and a sealing ring (7) is clamped between the contact surfaces of the sealing sleeve (4) and the hollow slide rod (2).
3. The slide rod lifting mechanical expansion plug as claimed in claim 1, wherein: the sealing plug (6) is in threaded connection with the hollow slide rod (2).
4. The slide rod lifting mechanical expansion plug as claimed in claim 1, wherein: the outer wall of the expansion rubber pipe (5) is movably abutted against the inner wall of the drill hole (8).
5. The slide rod lifting mechanical expansion plug as claimed in claim 1, wherein: the peripheral wall of the sealing plug (6) is connected with an anti-collision plate (9), and the anti-collision plate (9) is movably attached to the lower port of the expansion rubber tube (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122715886.6U CN216197980U (en) | 2021-11-08 | 2021-11-08 | Slide bar lifting mechanical expansion plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122715886.6U CN216197980U (en) | 2021-11-08 | 2021-11-08 | Slide bar lifting mechanical expansion plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216197980U true CN216197980U (en) | 2022-04-05 |
Family
ID=80905049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122715886.6U Active CN216197980U (en) | 2021-11-08 | 2021-11-08 | Slide bar lifting mechanical expansion plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216197980U (en) |
-
2021
- 2021-11-08 CN CN202122715886.6U patent/CN216197980U/en active Active
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