CN210343389U - Liftable formula anchor rope tensiometer - Google Patents
Liftable formula anchor rope tensiometer Download PDFInfo
- Publication number
- CN210343389U CN210343389U CN201920996487.1U CN201920996487U CN210343389U CN 210343389 U CN210343389 U CN 210343389U CN 201920996487 U CN201920996487 U CN 201920996487U CN 210343389 U CN210343389 U CN 210343389U
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- cylinder
- tensioning
- operating handle
- control valve
- flexible hydro
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Abstract
The utility model relates to a liftable formula anchor rope tensiometer, including base, pneumatic flexible hydro-cylinder, operating handle, anchor rope tensioning head, tensioning cylinder, the cylinder body activity of pneumatic flexible hydro-cylinder sets up on the base, the piston rod welding of pneumatic flexible hydro-cylinder has the extension bar, the upper end welding of extension bar the cylinder body bottom of tensioning cylinder, anchor rope tensioning head is fixed on the piston rod of tensioning cylinder, operating handle fixes one side of pneumatic flexible hydro-cylinder body, operating handle is a hollow body, hollow body with the air inlet intercommunication of pneumatic flexible hydro-cylinder, the last air inlet and the air control valve of advancing of operating handle, all be equipped with the oil control valve on advancing oil pipe and the time oil pipe of tensioning cylinder. The utility model discloses a liftable formula anchor rope stretch-draw appearance, easy operation, convenient to use, and easily remove, reduction intensity of labour that can be very big reduces high altitude construction's danger and improvement work efficiency.
Description
Technical Field
The utility model relates to a colliery top anchor rope stretch-draw installation device in pit, concretely relates to colliery liftable formula anchor rope stretch-draw appearance in pit.
Background
When the coal mine adopts the roof cutting pressure relief coal-pillar-free mining technology, the active support is an essential important link for supporting the old roof rock mass covered on the reserved roadway, the support strength of the advance roof directly influences the sinking amount of the roof after roadway retention, the anchor cable support is required to be carried out on the roof of the roadway in advance, 3 anchor cables need to be constructed every meter, after the anchor cables are constructed, tensioning must be carried out within the specified time, the anchor cables are locked, the currently used tensioning machine is heavy, the operation is carried out on the roof of the roadway with the height of 3m during each tensioning, 3 persons are required to cooperate to operate, one person climbs the ladder, the other person lifts the tensioning head to be handed to the person on the ladder, then the tensioning machine is installed on the head of the anchor cable roof, the pump box handle is operated to carry out tensioning, the construction personnel step on the ladder and then operate on the roof with the height of 3, and the problem of unsafe aloft work also exists.
Disclosure of Invention
In view of the above situation, the utility model aims at providing a liftable formula anchor rope tensiometer utilizes the colliery air feed pipeline's in the pit high-pressure wind to use manpower sparingly, easy operation, convenient to use, and easily remove, reduction intensity of labour that can be very big reduces aerial working's danger and improvement work efficiency.
The technical scheme of the utility model as follows: the utility model provides a liftable formula anchor rope tensiometer, includes base, pneumatic flexible hydro-cylinder, operating handle, anchor rope stretch-draw head, stretch-draw hydro-cylinder, the cylinder body activity of pneumatic flexible hydro-cylinder sets up on the base, the piston rod welding of pneumatic flexible hydro-cylinder has the extension bar, the upper end welding of extension bar the cylinder body bottom of stretch-draw hydro-cylinder, anchor rope stretch-draw head is fixed on the piston rod of stretch-draw hydro-cylinder, operating handle fixes one side of pneumatic flexible hydro-cylinder body, operating handle is a hollow body, hollow body with the air inlet intercommunication of pneumatic flexible hydro-cylinder, the last air inlet and the air control valve that advances that are equipped with of operating handle, stretch-draw hydro-cylinder advance oil pipe and return oil pipe on all be equipped with into oil control.
Preferably, the air inlet control valve is a manual control valve and is hinged and fixed on the operating handle, so that the operation is convenient.
Preferably, the oil inlet pipe and the oil return pipe are both high-pressure rubber pipes.
Preferably, the oil inlet control valve is an electromagnetic valve, and is convenient to control.
Preferably, the bottom of pneumatic flexible hydro-cylinder articulates on the base, because the tunnel bottom surface is uneven, can make the cylinder body have certain inclination as required.
The utility model discloses a liftable formula anchor rope tensiometer, put liftable formula anchor rope tensiometer on the floor just to the anchor rope, then the air inlet control valve air inlet is advanced in manual operation, high-pressure wind gets into in the pneumatic flexible hydro-cylinder body, make the pneumatic flexible hydro-cylinder slowly rise to anchor rope position department, make the anchor rope penetrate in the anchor rope tensioning head of tensiometer, close into the air control valve, then the oil inlet control valve on the operation tensioning hydro-cylinder, make tensiometer tensioning tool to lock, pin the anchor rope, then break the oil inlet control valve, loosen the tensioning hydro-cylinder, the release is advanced the connection of air control valve and high-pressure air inlet pipeline, operation pneumatic control valve makes the hydro-cylinder slowly descend.
The utility model discloses liftable formula anchor rope tensiometer has realized the ascending decline of tensiometer through pneumatic flexible hydro-cylinder, and the extension bar has further promoted application range, not only restricts the flexible scope of pneumatic flexible hydro-cylinder, and control stretch-draw hydro-cylinder pins the anchor rope, and welded fastening's operating handle is convenient for remove and the lift of operation hydro-cylinder on the cylinder body of pneumatic flexible hydro-cylinder.
The utility model discloses liftable formula anchor rope tensiometer, simple structure utilizes the colliery air feed pipeline's in the pit high-pressure wind to use manpower sparingly, easy operation, convenient to use, and easily remove, reduction intensity of labour that can be very big reduces high altitude construction's danger and improvement work efficiency, easily promotes.
Drawings
Fig. 1 is a schematic structural view of the present invention;
in the figure: 1-a base; 2, a pneumatic telescopic oil cylinder; 3-operating a handle; 4-an air inlet control valve; 5-lengthening the rod; 6-tensioning the oil cylinder; 7-an oil inlet control valve; 8-anchor cable tensioning head.
Detailed Description
The technical solution of the present invention is further described in detail below with reference to the following embodiments:
as shown in fig. 1, a liftable anchor cable tensioning instrument comprises a base 1, a pneumatic telescopic cylinder 2, an operating handle 3, an anchor cable tensioning head 8 and a tensioning cylinder 6, wherein the bottom of the cylinder body of the pneumatic telescopic cylinder 2 is hinged on the base 1, an extension rod 5 is welded on the piston rod of the pneumatic telescopic cylinder 2, the upper end of the extension rod 5 is welded at the bottom of the cylinder body of the tensioning cylinder 6, the anchor cable tensioning head 8 is fixed on the piston rod of the tensioning cylinder 6, the operating handle 3 is fixed at one side of the cylinder body of the pneumatic telescopic cylinder 2, the operating handle 3 is a hollow pipe body which is communicated with the air inlet of the pneumatic telescopic cylinder 2, the operating handle 3 is provided with an air inlet and an air inlet control valve, the air inlet control valve 3 is a manual control valve, and the oil inlet pipe and the oil return pipe of the tensioning cylinder 6 are both provided with an oil inlet control valve 7, the oil inlet control valve 7 is an electromagnetic valve, and the oil inlet pipe and the oil return pipe are both high-pressure rubber pipes.
During specific implementation, an air inlet on the operating handle 3 is communicated with a downhole high-pressure air inlet pipeline, the oil inlet pipe and the oil return pipe are connected with a high-pressure oil pump, the liftable anchor cable tensioning instrument is placed on a floor and is right opposite to an anchor cable, then the air inlet control valve 3 is opened through manual operation, high-pressure air enters the cylinder body of the pneumatic telescopic cylinder 2 to enable the pneumatic telescopic cylinder 2 to slowly rise to the position of the anchor cable, the anchor cable penetrates into an anchor cable tensioning head 8 of the tensioning instrument, the air inlet control valve 3 is closed, then the oil inlet control valve 7 on the tensioning cylinder 6 is operated to enable the tensioning instrument to tension a lock, the anchor cable is locked, the oil inlet control valve 7 is disconnected, the oil cylinder 6 is loosened, the connection between the air inlet control valve 3 and the high-pressure air inlet pipeline is loosened, and the pneumatic telescopic cylinder 2.
Claims (5)
1. The utility model provides a liftable formula anchor rope tensiometer, its characterized in that includes base, pneumatic flexible hydro-cylinder, operating handle, anchor rope tensioning head, tensioning cylinder, the cylinder body activity of pneumatic flexible hydro-cylinder sets up on the base, the piston rod welding of pneumatic flexible hydro-cylinder has the extension bar, the upper end welding of extension bar the cylinder body bottom of tensioning cylinder, anchor rope tensioning head is fixed on the piston rod of tensioning cylinder, operating handle fixes one side of pneumatic flexible hydro-cylinder body, operating handle is a hollow body, hollow body with the air inlet intercommunication of pneumatic flexible hydro-cylinder, the last air inlet and the air control valve of advancing of being equipped with of operating handle, all be equipped with the oil control valve on advancing oil pipe and the time oil pipe of tensioning cylinder.
2. The liftable anchor cable tensioning instrument as claimed in claim 1, wherein the air inlet control valve is a manual control valve and is hinged and fixed to the operating handle.
3. The liftable anchor cable tensioning instrument of claim 1, wherein the oil inlet pipe and the oil return pipe are both high pressure rubber pipes.
4. The liftable anchor cable tensioning instrument of claim 1, wherein the oil inlet control valve is a solenoid valve.
5. The liftable anchor cable tensioning instrument of claim 1, wherein the bottom end of the pneumatic telescopic cylinder is hinged to the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920996487.1U CN210343389U (en) | 2019-06-28 | 2019-06-28 | Liftable formula anchor rope tensiometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920996487.1U CN210343389U (en) | 2019-06-28 | 2019-06-28 | Liftable formula anchor rope tensiometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210343389U true CN210343389U (en) | 2020-04-17 |
Family
ID=70192192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920996487.1U Expired - Fee Related CN210343389U (en) | 2019-06-28 | 2019-06-28 | Liftable formula anchor rope tensiometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210343389U (en) |
-
2019
- 2019-06-28 CN CN201920996487.1U patent/CN210343389U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200417 Termination date: 20210628 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |