CN203640604U - Rotary expansion device for rotary drilling rig - Google Patents
Rotary expansion device for rotary drilling rig Download PDFInfo
- Publication number
- CN203640604U CN203640604U CN201320795821.XU CN201320795821U CN203640604U CN 203640604 U CN203640604 U CN 203640604U CN 201320795821 U CN201320795821 U CN 201320795821U CN 203640604 U CN203640604 U CN 203640604U
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- oil
- rotary
- drilling tool
- expanding
- expansion
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Abstract
The utility model discloses a rotary expansion device for a rotary drilling rig and belongs to the technical field of construction machinery. The device comprises an oil way convertor, an oil pipe reel, a rotary expansion drilling tool, a switching valve and a reversing valve. The oil way convertor is fixed on the side of a power head, the rotary expansion drilling tool is mounted at the end of a drill stem, and the oil pipe reel is fixed on the side of the oil way convertor. Two pipes are arranged on the oil pipe reel, one pipe is connected with a large oil cavity of an expansion oil cylinder of the rotary expansion drilling tool and the oil way convertor, and the other pipe is connected with a small oil cavity of the expansion oil cylinder. The reversing valve is connected with the switching valve which is divided into four oil outlet pipes, and two of the four oil outlet pipes are connected with the oil way convertor. According to the device, muck produced during construction can be brought out, so that the construction efficiency is improved; accurate control over variable-diameter positions and variable-diameter sections of variable-diameter piles is achieved through hydraulic control; power required by the expansion oil cylinder is from switching of the switching valve without additional operation elements, so that the whole device is simple and easy to operate.
Description
Technical field
The utility model relates to construction machine technical field, and a kind of rotary drilling rig being specifically loaded on rotary drilling rig revolves enlarging device.
Technical background
Rotary drilling rig is widely used as engineering construction piling machinery both at home and abroad at present, but the hole that most of rotary drilling rig is constructed out is all the vertical hole of certain diameter, for steadiness and the minimizing cost of reinforced concrete pile go out, in bearing peg design, often select to straighten footpath stake.Straighten footpath stake and generally become in part greatly in the time of construction, having at present can construct out on a small quantity straightens the rotary drilling rig of footpath stake, but is all mechanical type reducing, and the dregs producing yet cannot take construction out of time, more can accurately not control diameter and position.
Summary of the invention
For solving the problems of the technologies described above, the utility model provides a kind of rotary drilling rig to revolve enlarging device.
The utility model is achieved through the following technical solutions: a kind of rotary drilling rig revolves enlarging device, comprise oil-circuit converter, oil pipe reel, revolve expanding drilling tool, transfer valve and reversal valve, described oil-circuit converter is sleeved on the drilling rod of rotary drilling rig and is fixed on unit head below; The described expanding drilling tool that revolves is arranged on drilling rod termination by drilling rod pin; Described oil pipe reel is fixed on oil-circuit converter side, oil pipe reel is provided with two pipelines, article one, large oil pocket and the oil-circuit converter of in expanding drilling tool, expanding oil cylinder are revolved in pipeline connection, and small oil cavity and the oil-circuit converter of in expanding drilling tool, expanding oil cylinder are revolved in another pipeline connection; Described reversal valve is fixed on rotary drilling rig, which is provided with joystick, and reversal valve separates two oil circuits and is connected to respectively transfer valve; On described transfer valve, be connected with the switching push button of controlling transfer valve; Described transfer valve separates four fuel-displaced pipelines, and wherein two are connected to connection oil-circuit converter, and two other is connected to the former equipment of rotary drilling rig.
It is further: the described expanding drilling tool 6 that revolves is a closed housing in the time of closure.
When use, oil-circuit converter is arranged on unit head, then will revolves expanding drilling tool drilling rod pin and be connected on drilling rod, connect the pipeline between transfer valve and oil-circuit converter and oil-circuit converter and expansion oil cylinder.After installation, on the hole of having bored, transfer drilling rod and revolve expanding drilling tool, pull oil pipe to drive oil pipe rotating disk passive rotation along with revolving transferring of expanding drilling tool; Arrive after working depth, press switching push button, transfer valve obtains electric work the oil circuit on former rotary drilling rig is switched to oil-circuit converter, operating control handle, reversal valve action, pressure oil arrives the large chamber of expansion oil cylinder by oil-circuit converter, and the expansion large chamber of oil cylinder oil-feed promotes to revolve expanding drilling tool and stretchs out, operational power head rotates simultaneously, drives drilling rod and revolve expanding drilling tool rotation to carry out work; Fill after dregs revolving expanding drilling tool, stop the rotation of unit head, the commutation of joystick control reversal valve, the oil-feed of expansion oil cylinder loculus, revolving expanding drilling tool tightens up, promote drilling rod and revolve expanding drilling tool, oil pipe rotating disk is initiatively packed up oil pipe, rises to lay down the dregs revolving in expanding drilling tool behind ground and carry out next periodic duty.
The utility model advantage is: realize the construction operation that straightens footpath stake, the dregs producing can take construction out of time, improves efficiency of construction; Utilize hydraulic control, realize the accurate control that straightens stake reducing position, footpath and reducing cross section; The power oil of expansion oil cylinder switches through transfer valve from former rotary drilling rig, not another add operation element, and whole device is simple to operation.
Brief description of the drawings
Fig. 1 is the utility model structural representation;
Fig. 2 revolves expanding drilling tool structural representation.
In figure: 1, unit head; 2, oil-circuit converter; 3, oil pipe reel; 4, drilling rod; 5, drilling rod pin; 6, revolve expanding drilling tool; 7, expansion oil cylinder; 8, transfer valve; 9, switching push button; 10, joystick; 11, reversal valve.
Detailed description of the invention
Be below a specific embodiment of the present utility model, now by reference to the accompanying drawings the utility model be described further.
As depicted in figs. 1 and 2, a kind of rotary drilling rig revolves and expands dress, comprises oil-circuit converter 2, oil pipe reel 3, revolves expanding drilling tool 6, transfer valve 8 and reversal valve 11, and oil-circuit converter 2 is sleeved on the drilling rod 4 of rotary drilling rig and is fixed on unit head 1 below; Revolve expanding drilling tool 6 and be arranged on drilling rod 4 terminations by drilling rod pin 5, revolve expanding drilling tool 6 is a closed housing in the time of closure; Oil pipe reel 3 is fixed on oil-circuit converter 2 sides, oil pipe reel 3 is provided with two pipelines, article one, large oil pocket and the oil-circuit converter 2 of in expanding drilling tool 6, expanding oil cylinder 7 are revolved in pipeline connection, and small oil cavity and the oil-circuit converter 2 of in expanding drilling tool 6, expanding oil cylinder 7 are revolved in another pipeline connection; Reversal valve 11 is fixed on rotary drilling rig, which is provided with joystick 10, and reversal valve 11 separates two oil circuits and is connected to respectively transfer valve 8; On transfer valve 8, be connected with the switching push button 9 of controlling transfer valve 8; Transfer valve 8 separates four fuel-displaced pipelines, and wherein two are connected to connection oil-circuit converter 2, and two other is connected to the former equipment of rotary drilling rig.
When use, oil-circuit converter 2 is arranged on unit head 1, then will revolves expanding drilling tool 6 use drilling rod pins 5 and be connected on drilling rod 4 and fix, connect transfer valve 8 with oil-circuit converter 2 and oil-circuit converter 2 and expand the pipeline between oil cylinder 7.After installation, on the hole of having bored, transfer drilling rod 4 and revolve expanding drilling tool 6, pulling oil pipe to transfer and drive oil pipe rotating disk 3 passive rotation along with revolving transferring of expanding drilling tool 6; Arrive after working depth, press switching push button 9, transfer valve 8 electric work switches to and revolves expanding drilling tool 6 extended modes, operating control handle 10, reversal valve 11 moves, and pressure oil arrives the large chamber of expansion oil cylinder 7 by oil-circuit converter 2, and the expansion large chamber of oil cylinder oil-feed promotes to revolve expanding drilling tool 6 and stretchs out, operational power 1 rotation simultaneously, drives drilling rod 4 and revolves expanding drilling tool 6 rotations and carry out work; Fill after dregs revolving expanding drilling tool 6, stop the rotation of unit head 1, joystick 10 is controlled reversal valve 11 and is commutated, the 7 loculus oil-feeds of expansion oil cylinder, revolving expanding drilling tool 6 tightens up, promote drilling rod 4 and revolve expanding drilling tool 6, oil pipe rotating disk 3 is initiatively packed up oil pipe, rises to lay down the dregs that revolves 6 li of expanding drilling tools behind ground and carry out next periodic duty.
Claims (2)
1. a rotary drilling rig revolves enlarging device, comprise oil-circuit converter (2), oil pipe reel (3), revolve expanding drilling tool (6), transfer valve (8) and reversal valve (11), it is characterized in that: described oil-circuit converter (2) is sleeved on the drilling rod (4) of rotary drilling rig and goes up and be fixed on unit head (1) below; The described expanding drilling tool (6) that revolves is arranged on drilling rod (4) termination by drilling rod pin (5); Described oil pipe reel (3) is fixed on oil-circuit converter (2) side, oil pipe reel (3) is provided with two pipelines, article one, pipeline connects the large oil pocket and the oil-circuit converter (2) that revolve expansion oil cylinder (7) in expanding drilling tool (6), and another pipeline connects the small oil cavity and the oil-circuit converter (2) that revolve expansion oil cylinder (7) in expanding drilling tool (6); Described reversal valve (11) is fixed on rotary drilling rig, which is provided with joystick (10), and reversal valve (11) separates two oil circuits and is connected to respectively transfer valve (8); On described transfer valve (8), be connected with the switching push button (9) of controlling transfer valve (8); Described transfer valve (8) separates four fuel-displaced pipelines, and wherein two are connected to connection oil-circuit converter (2), and two other is connected to the former equipment of rotary drilling rig.
2. a kind of rotary drilling rig according to claim 1 revolves enlarging device, it is characterized in that: the described expanding drilling tool (6) that revolves is a closed housing in the time of closure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320795821.XU CN203640604U (en) | 2013-12-06 | 2013-12-06 | Rotary expansion device for rotary drilling rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320795821.XU CN203640604U (en) | 2013-12-06 | 2013-12-06 | Rotary expansion device for rotary drilling rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203640604U true CN203640604U (en) | 2014-06-11 |
Family
ID=50871859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320795821.XU Expired - Fee Related CN203640604U (en) | 2013-12-06 | 2013-12-06 | Rotary expansion device for rotary drilling rig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203640604U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105298393A (en) * | 2015-11-17 | 2016-02-03 | 恒天九五重工有限公司 | Pipe wheel structure of rotary-expanding device of rotary drilling rig |
| CN107514234A (en) * | 2017-08-31 | 2017-12-26 | 北京工业大学 | A kind of squeezed device of hydraulic pressure |
-
2013
- 2013-12-06 CN CN201320795821.XU patent/CN203640604U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105298393A (en) * | 2015-11-17 | 2016-02-03 | 恒天九五重工有限公司 | Pipe wheel structure of rotary-expanding device of rotary drilling rig |
| CN107514234A (en) * | 2017-08-31 | 2017-12-26 | 北京工业大学 | A kind of squeezed device of hydraulic pressure |
| CN107514234B (en) * | 2017-08-31 | 2023-06-20 | 北京工业大学 | Hydraulic squeezing and expanding device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20140611 Termination date: 20201206 |