CN203285366U - Clamper of hydraulic drill rig - Google Patents
Clamper of hydraulic drill rig Download PDFInfo
- Publication number
- CN203285366U CN203285366U CN2013202911236U CN201320291123U CN203285366U CN 203285366 U CN203285366 U CN 203285366U CN 2013202911236 U CN2013202911236 U CN 2013202911236U CN 201320291123 U CN201320291123 U CN 201320291123U CN 203285366 U CN203285366 U CN 203285366U
- Authority
- CN
- China
- Prior art keywords
- oil cylinder
- clamper
- auxiliary oil
- slip spider
- main oil
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model provides a clamper of a hydraulic drill rig. The clamper comprises a slip which is symmetrically provided with a main oil cylinder and an auxiliary oil cylinder; the main oil cylinder comprises a main oil cylinder body and a main oil cylinder piston; the auxiliary oil cylinder comprises an auxiliary oil cylinder body and an auxiliary oil cylinder piston; the main oil cylinder piston and the auxiliary oil cylinder piston move reversely; the periphery of the slip is symmetrically provided with a right slip bowl and a left slip bowl; the main oil cylinder body is connected with the right slip bowl by virtue of a support pillar sleeved in the left slip bowl; the inner side of the auxiliary oil cylinder body is provided with a belleville spring; a cylindrical spring is arranged between the right slip bowl and the left slip bowl. According to the utility model, the pre-tightening force of the compression spring is utilized to overcome the self weight of a drilling tool, so that the main oil cylinder can loosen the clamper; furthermore, the elasticity of the belleville spring of the auxiliary oil cylinder piston is utilized to clamp the drilling tool. The clamper provided by the utility model is small in size, simple in structure and reliable in performance, and can be used for clamping the drilling tool in case of sudden power failure.
Description
Technical field
The utility model relates to the safety of coal mines equipment, relates in particular to the clamper of a kind of coal mine drilling with hydraulic drill rig.
Background technology
Hydraulic drill rig is mainly used in exactly under coal mine creeping into gas and takes out (row) discharge hole, fluid injection fire-fighting hole, coal-bed flooding hole, protrusion-dispelling pressure relief vent, geological prospecting hole and other engineering hole etc., because the rig work is big machinery, mainly by unit head, underframe, clamper, drilling tool etc., formed.
The all-hydraulic power head churn all is provided with the clamper for drilling tool in clamping hole usually, its objective is the slippage that prevents drilling tool in hole, also can coordinate with unit head the automatic unloading of carrying out drilling rod in case of necessity.And the quality of clamper performance will directly have influence on performance, drilling efficiency and the drilling quality etc. of rig complete machine.Hydraulic gripper is because of it and system matches is simple, safe and convenient to use, clamping force is large etc. that characteristics are widely adopted.Hydraulic gripper commonly used mostly is normally closed type clamper and clamper open in usual at present, wherein the normally closed type clamper is the pretightning force clamping drilling tool by spring, oil pressure unclamps, and is in when not working and clamps the drilling tool state, and it is commonly used on the rig that creeps into the wide-angle tilt hole.The mode that clamper open in usual generally adopts hydraulic clamp, spring to unclamp, be in releasing orientation when not working, its structure is similar to the normally closed type clamper, and different is that spring and oil cylinder make the direction of motion of slips generation opposite with normally closed type.
Creep into gas extraction hole because hydraulic drill rig is mainly used in colliery, and gas extraction hole is mostly the boring that inclination angle makes progress, runs the brill accident when preventing from having a power failure, the through-hole type rig should arrange the clamper with normally closed type structure.And guarantee to clamp reliably drilling rod while being the automatic unloading drilling rod of rig, need to adopt that to increase normally closed type be the clamping force of drilling machine clamp holder or the mode of setting up auxiliary oil cylinder.But excessive clamping force causes the physical dimension of normally closed type clamper excessive, is inconvenient to use, and is subject to the impact of oil pressure and causes hydraulic performance decline.
The utility model content
In order to address the above problem, the utility model provides a kind of clamper of hydraulic drill rig, reaches to make that the clamper volume is little, the purpose of dependable performance.
The technical solution of the utility model is:
A kind of clamper of hydraulic drill rig, comprise slips, described slips is arranged with master cylinder and auxiliary oil cylinder, and described master cylinder comprises master cylinder cylinder body and main oil cylinder piston, auxiliary oil cylinder comprises auxiliary oil cylinder cylinder body and auxiliary oil cylinder piston, described main oil cylinder piston and auxiliary oil cylinder piston reverse motions; Described slips periphery is arranged with right slip spider and left slip spider, described master cylinder cylinder body is connected with right slip spider by the fore-set that is set in left slip spider inside, described auxiliary oil cylinder cylinder body inboard is provided with the butterfly spring, is provided with cylindrical spring between described right slip spider and left slip spider.
Described butterfly spring is provided with butterfly spring cover outward.
Be provided with positive stop block between described main oil cylinder piston and left slip spider.The active force of avoiding auxiliary oil cylinder piston and dish spring to produce is excessive and left slip spider is pushed away depart from slips, does not reach the effect of clamp holder clamping drilling tool.
That dish spring cover not only can play is dustproof, the effect of storage butter, and can carry out master cylinder spacingly, prevents from flattening the dish spring.The regulation disc spring puts the nut on bolt, but the size of regulation disc spring pretightning force, and can the wearing and tearing of slips and drilling rod be compensated.
In the utility model, slips is easy to loading and unloading fast, lay down slips after clamper can pass through phase footpath drilling tool.
In addition, clamper also comprises guide rail, and it can be free to slide left and right on guide rail, can play self-centering and reduce slips and the purpose of the wearing and tearing of drilling rod.
Operating principle of the present utility model is to utilize the pretightning force of Compress Spring to overcome drilling tool to conduct oneself with dignity to make master cylinder to unclamp clamper.When hydraulic oil enters master cylinder, promote the master cylinder cylinder body and move right, by fore-set, power is passed to right slip spider, right slip spider moves to right, and the dish spring is compressed.Under the effect of cylindrical spring, left slip spider moves to left and unclamps drilling tool simultaneously.Overcome the pretightning force of spring and auxiliary oil cylinder with joint efforts making a concerted effort of drilling tool deadweight and rig torque.
Auxiliary oil cylinder is connected with the unit head counter-rotating on oil circuit, when rig counter-rotating unloading drilling tool, hydraulic oil enters auxiliary oil cylinder simultaneously, and the auxiliary oil cylinder piston produces thrust to right slip spider, the dish spring of compression is also turned left and is promoted right slip spider because of the elastic force effect, clamps drilling tool under their actings in conjunction.
This device has that volume is little, simple in structure, dependable performance and clamp drilling tool also can realize cutting off the power supply suddenly the time.
Description of drawings
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 1: the utility model structural representation.
In figure: 1-main oil cylinder piston, 2-master cylinder cylinder body, 3-fore-set, the left slip spider of 4-, the right slip spider of 5-, 6-dish spring cover, 7-auxiliary oil cylinder cylinder body, 8-auxiliary oil cylinder piston, 9-butterfly spring, 10-slips, 11-cylindrical spring, 12-positive stop block.
The specific embodiment
As shown in Figure 1, a kind of clamper of hydraulic drill rig, slips 10 is arranged with master cylinder and auxiliary oil cylinder, and described master cylinder comprises master cylinder cylinder body 2 and main oil cylinder piston 1, auxiliary oil cylinder comprises auxiliary oil cylinder cylinder body 7 and auxiliary oil cylinder piston 8, described main oil cylinder piston 1 and auxiliary oil cylinder piston 8 reverse motions; Described slips 10 peripheries are arranged with right slip spider 5 and left slip spider 4, and described master cylinder cylinder body 2 is connected with right slip spider 5 by the fore-set 3 that is set in left slip spider 4 inside, and described auxiliary oil cylinder cylinder body 7 inboards are provided with butterfly spring 9, the outer butterfly spring cover 6 that is provided with of butterfly spring 9; Be provided with cylindrical spring 11 between described right slip spider 5 and left slip spider 4, be provided with positive stop block 12 between described main oil cylinder piston 1 and left slip spider 4.
Above-described embodiment is not limited only to protection domain of the present utility model, and all are based on basic thought of the present utility model and all belonging in protection domain of the present utility model of modifying or change.
Claims (3)
1. the clamper of a hydraulic drill rig, comprise slips, it is characterized in that: described slips is arranged with master cylinder and auxiliary oil cylinder, described master cylinder comprises master cylinder cylinder body and main oil cylinder piston, auxiliary oil cylinder comprises auxiliary oil cylinder cylinder body and auxiliary oil cylinder piston, described main oil cylinder piston and auxiliary oil cylinder piston reverse motions; Described slips periphery is arranged with right slip spider and left slip spider, described master cylinder cylinder body is connected with right slip spider by the fore-set that is set in left slip spider inside, described auxiliary oil cylinder cylinder body inboard is provided with the butterfly spring, is provided with cylindrical spring between described right slip spider and left slip spider.
2. the clamper of a kind of hydraulic drill rig according to claim 1, it is characterized in that: described butterfly spring is provided with butterfly spring cover outward.
3. the clamper of a kind of hydraulic drill rig according to claim 1, is characterized in that: be provided with positive stop block between described main oil cylinder piston and left slip spider.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202911236U CN203285366U (en) | 2013-05-18 | 2013-05-18 | Clamper of hydraulic drill rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202911236U CN203285366U (en) | 2013-05-18 | 2013-05-18 | Clamper of hydraulic drill rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203285366U true CN203285366U (en) | 2013-11-13 |
Family
ID=49541736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202911236U Expired - Fee Related CN203285366U (en) | 2013-05-18 | 2013-05-18 | Clamper of hydraulic drill rig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203285366U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821466A (en) * | 2013-11-15 | 2014-05-28 | 淮南矿业(集团)有限责任公司 | Clamp |
| CN106869855A (en) * | 2017-04-25 | 2017-06-20 | 中煤科工集团重庆研究院有限公司 | One kind automatically prevents gas exceeding limit device |
-
2013
- 2013-05-18 CN CN2013202911236U patent/CN203285366U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821466A (en) * | 2013-11-15 | 2014-05-28 | 淮南矿业(集团)有限责任公司 | Clamp |
| CN103821466B (en) * | 2013-11-15 | 2016-03-23 | 淮南矿业(集团)有限责任公司 | Clamper |
| CN106869855A (en) * | 2017-04-25 | 2017-06-20 | 中煤科工集团重庆研究院有限公司 | One kind automatically prevents gas exceeding limit device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203248060U (en) | Hydraulic drilling rig for drilling in coal mine | |
| CN203285366U (en) | Clamper of hydraulic drill rig | |
| CN204252881U (en) | A kind of novel hydraulic underground drill rig clamper | |
| CN106401478B (en) | A kind of coal mine drilling machine host assembly structure | |
| CN102400695A (en) | Intelligent anti-impact bracket device | |
| CN201474634U (en) | Chuck system with fastener for drilling machine | |
| CN203925498U (en) | A kind of dirt loader that is provided with holding brake device | |
| CN204552641U (en) | A kind of clamper that can slide | |
| CN203584306U (en) | Drill bit of rotary drilling rig | |
| CN204002612U (en) | A kind of drill rod boring tool torque clutch | |
| CN204327023U (en) | A kind of tubing string release device | |
| CN207377511U (en) | A kind of anti-bit bouncing instrument | |
| CN203022965U (en) | High-speed hydraulic motor shell | |
| CN208252056U (en) | A kind of auxiliary holding device for drill machine with casing | |
| CN203531799U (en) | Holder for drilling machine | |
| CN205382879U (en) | Drilling machine for geotechnical engineering | |
| CN203050502U (en) | Gas outburst monitoring device of drilling machine | |
| CN202926249U (en) | Spring type clamping machine | |
| CN205503043U (en) | Gallery is holder for rig | |
| CN203214002U (en) | Sump packer | |
| CN105600538A (en) | Six-claw pneumatic swelling chuck device used for splitting machine | |
| CN203050564U (en) | Clamp holder | |
| CN205348247U (en) | Adopt swing arm economizer system of balanced hydraulic pressure jar of reducing | |
| CN201314211Y (en) | Single-cylinder power-assisted clamp holder | |
| CN204476475U (en) | A kind of drive explosion isolation device |
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 |
Granted publication date: 20131113 Termination date: 20160518 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |