CN108825117A - A kind of novel high torque roof-bolter - Google Patents
A kind of novel high torque roof-bolter Download PDFInfo
- Publication number
- CN108825117A CN108825117A CN201810911312.6A CN201810911312A CN108825117A CN 108825117 A CN108825117 A CN 108825117A CN 201810911312 A CN201810911312 A CN 201810911312A CN 108825117 A CN108825117 A CN 108825117A
- Authority
- CN
- China
- Prior art keywords
- fixing sleeve
- supporting leg
- shell
- roof
- back shroud
- 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.)
- Granted
Links
- 230000033228 biological regulation Effects 0.000 claims abstract description 8
- 230000000903 blocking effect Effects 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005457 optimization Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
- E21B15/006—Means for anchoring the drilling machine to the ground
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
- E21D20/003—Machines for drilling anchor holes and setting anchor bolts
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Earth Drilling (AREA)
- Gear Transmission (AREA)
Abstract
The invention discloses a kind of novel high torque roof-bolters, including top, handle, supporting leg, fixing sleeve, change lever, shell of reduction box, drill bushing, water blocking set, motor shell, Fu Quan, speed regulation axis, fixing sleeve, control arm, support plate, handle holder, back shroud, socket cap screw, air inlet, countershaft, driving gear shaft, main shaft, bearing, gear and gas outlet.Pedestal bottom end is equipped with top, facilitate the fixation of equipment, pedestal top is equipped with supporting leg, supporting leg top is equipped with fixing sleeve, fixed cover locking supporting leg and back shroud, keep equipment more firm, fixing sleeve and fixing sleeve pass through speed regulation axis rotation connection, control arm is equipped with inside fixing sleeve, facilitate the operation of equipment, back shroud top is equipped with air inlet, and bottom plate top is equipped with gas outlet away from one end of air inlet, drive countershaft and driving gear shaft rotation, driving gear shaft top is equipped with gear, rotate the angle of change lever, the position of changeable gear, achieve the effect that change torque.
Description
Technical field
The present invention relates to a kind of roof-bolter, specially a kind of novel high torque roof-bolter belongs to field of mechanical technique.
Background technique
Roof-bolter is also known as brad driver, jumbolter either pneumatic impact machine, is mainly used for rock soil anchor, roadbed, side slope
Improvement, underground deep basal pit supporting and retaining system, Wall Rock of Tunnel stabilization, the Hazard controls such as pre- landslide-proofing, underground engineering support and skyscraper
Base processing is also applied for the non-prestressed suspension roof support of deep basal pit spray shield, side slope soil nailing engineering.
However at present roof-bolter there are many deficiencies place, such as traditional roof-bolter not can be switched torque, be not easy to operate
With use, therefore, propose a kind of novel high torque roof-bolter regarding to the issue above.
Summary of the invention
The object of the invention is that a kind of novel high torque roof-bolter is provided to solve the above-mentioned problems, assembling side
Just, easy to remove, torque can be switched.
The present invention be achieved through the following technical solutions above-mentioned purpose, a kind of novel high torque roof-bolter, including supporting leg and
It is mounted on the pedestal of the supporting leg bottom end, the supporting leg is cylindrical structure, and the bottom end of the pedestal is equipped with top, the supporting leg
Top is equipped with fixing sleeve, and the supporting leg is detachably connected with the fixing sleeve, and the fixing sleeve and triple-valve body pass through speed regulation axis
Rotation connection, the triple-valve body are hollow cylindrical structure, are equipped with control arm, the fixing sleeve and institute inside the fixing sleeve
Control arm to be stated to be detachably connected, the fixing sleeve top is equipped with motor shell, and the fixing sleeve is detachably connected with the motor shell,
The motor shell top is equipped with back shroud, and the back shroud top is equipped with air inlet, and the bottom plate top deviates from the air inlet
Mouthful one end be equipped with gas outlet, the back shroud is equipped with shell of reduction box away from one end of the motor shell, outside the reduction gearbox
Shell top is equipped with drill bushing, and countershaft is equipped with inside the motor shell, and the side of the countershaft is equipped with driving gear shaft, the driving tooth
Axle tip is equipped with gear, and the gear top is equipped with bearing, and the bearing side is equipped with main shaft, the drill bushing and the biography
Moving axis is connected together.
Preferably, for the ease of disassembly, the control arm bottom end is equipped with handle holder, and the handle holder passes through with support plate
Rotation connection.
Preferably, in order to protect equipment, the motor shell is fixedly connected with the shell of reduction box, the shell of reduction box
Top is equipped with water blocking set, and the water blocking set is arcuate structure.
Preferably, in order to keep structure more firm, the back shroud is equipped with socket cap screw.
Preferably, it is moved easily, the fixing sleeve top is equipped with and helps circle, and described help is enclosed as arcuate structure.
The beneficial effects of the invention are as follows：Pedestal bottom end of the invention be equipped with it is top, facilitate the fixation of equipment, pedestal top is set
There is supporting leg, supporting leg is cylindrical structure, and supporting leg top is equipped with fixing sleeve, fixed cover locking supporting leg and back shroud, makes equipment more
Firm, fixing sleeve and triple-valve body are rotatablely connected by speed regulation axis, and control arm is equipped with inside triple-valve body, facilitates the behaviour of equipment
Make, back shroud top is equipped with air inlet, and bottom plate top is equipped with gas outlet away from one end of air inlet, drives countershaft and driving tooth
Wheel shaft rotation, driving gear shaft top are equipped with gear, rotate the angle of change lever, and the position of gear can be changed, reach change
The effect of torque, drill bushing are connected together with transmission shaft, rotate drill bushing.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is the attachment structure schematic diagram of fixing sleeve and back shroud of the invention.
In figure：1, top, 2, handle, 3, supporting leg, 4, fixing sleeve, 5, change lever, 6, shell of reduction box, 7, drill bushing, 8,
Water blocking set, 9, motor shell, 10, Fu Quan, 11, speed regulation axis, 12, triple-valve body, 13, control arm, 14, support plate, 15, handle holder,
16, back shroud, 17, air inlet, 18, countershaft, 19, driving gear shaft, 20, main shaft, 21, bearing, 22, gear and 23, gas outlet.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1~2, a kind of novel high torque roof-bolter including supporting leg 3 and is mounted on the top of 3 bottom end of supporting leg
Point 1, the supporting leg 3 are cylindrical structure, and 3 top of supporting leg is equipped with fixing sleeve 4, and the supporting leg 3 and the fixing sleeve 4 are removable
Connection is unloaded, the fixing sleeve 4 is rotatablely connected with triple-valve body 12 by speed regulation axis 11, and the triple-valve body 12 is hollow cylinder
Structure is equipped with control arm 13 inside the fixing sleeve 4, and the fixing sleeve 4 is detachably connected with the control arm 13, the fixation
4 tops are covered equipped with motor shell 9, and the fixing sleeve 4 is detachably connected with the motor shell 9, and 9 top of motor shell is equipped with rear cover
Plate 16,16 top of back shroud are equipped with air inlet 17, and the back shroud 16 is equipped with reduction gearbox away from one end of the motor shell 9
Shell 6,6 top of shell of reduction box are equipped with drill bushing 7, are equipped with countershaft 18, the side of the countershaft 18 inside the motor shell 9
Equipped with driving gear shaft 19,19 top of driving gear shaft is equipped with gear 22, and 22 top of gear is equipped with bearing 21, and institute
21 side of bearing is stated equipped with main shaft 20, the drill bushing 7 is connected together with the transmission shaft 20.
As a kind of technical optimization scheme of the invention, 13 bottom end of control arm is equipped with handle holder 15, and the handle
Frame 16 and support plate 15 pass through rotation connection.
As a kind of technical optimization scheme of the invention, the motor shell 9 is fixedly connected with the shell of reduction box 7, institute
7 top of shell of reduction box is stated equipped with water blocking set 8, the water blocking set 8 is arcuate structure.
As a kind of technical optimization scheme of the invention, the back shroud 16 is equipped with socket cap screw.
As a kind of technical optimization scheme of the invention, 4 top of fixing sleeve is equipped with and helps circle 10, and described helps the circle 10 to be
Arcuate structure.
In the use of the present invention, bottom end installation top 1, top 1 of the invention and ground face contact, reach the work of fixed equipment
With, supporting leg 3 is installed on pedestal top, and for fixing, fixing sleeve 4 is installed on 3 top of supporting leg, for locking supporting leg 3 and control arm 13, Gu
Surely set 4 is linked by speed regulation axis 11 and the rotation of fixing sleeve 12, realizes the rotation of control arm 13, and 13 low side of control arm is equipped with handle holder
15, support plate 14 and handle holder 15 are rotatablely connected, and are held support plate 14, are pressed, and also peace turns handle 2 on pedestal 1, are adjusted
Handle 2, further fixes equipment, and 4 top of fixing sleeve peace turns motor shell 9, installs countershaft 18 and driving gear inside motor shell 9
Axis 19,9 side of motor shell are equipped with air inlet 17, and the other side is equipped with gas outlet 23, press control arm 13,17 air inlet of air inlet, band
Dynamic countershaft 19 rotates, and countershaft 19 drives driving gear shaft 20 to rotate, and driving gear shaft 20 is rotated with moving gear 23, realizes main shaft 20
Rotation drives drill bushing 7 to rotate, and realizes the normal operation of machine, and shell of reduction box 7 is equipped with change lever 5, adjusts change lever
5 angle changes the position of gear 22, can achieve the effect for adjusting torque.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (5)
1. a kind of novel high torque roof-bolter, including supporting leg (3) and it is mounted on top (1) of the supporting leg (3) bottom end, feature
It is：The supporting leg (3) be cylindrical structure, supporting leg (3) top be equipped with fixing sleeve (4), the supporting leg (3) with it is described solid
Fixed set (4) is detachably connected, and the fixing sleeve (4) and triple-valve body (12) pass through speed regulation axis (11) rotation connection, the threeway
Valve body (12) is hollow cylindrical structure, is equipped with control arm (13) inside the fixing sleeve (4), the fixing sleeve (4) with it is described
Control arm (13) is detachably connected, and fixing sleeve (4) top is equipped with motor shell (9), the fixing sleeve (4) and the motor shell
(9) it is detachably connected, motor shell (9) top is equipped with back shroud (16), and back shroud (16) top is equipped with air inlet
(17), and one end of the air inlet (17) is equipped with gas outlet (23), and the back shroud (16) deviates from the one of the motor shell (9)
End is equipped with shell of reduction box (6), and shell of reduction box (6) top is equipped with drill bushing (7), and pair is equipped with inside the motor shell (9)
The side of axis (18), the countershaft (18) is equipped with driving gear shaft (19), and driving gear shaft (19) top is equipped with gear
(22), gear (22) top is equipped with bearing (21), and the bearing (21) side is equipped with main shaft (20), the drill bushing (7)
It is connected together with the transmission shaft (20).
2. a kind of novel high torque roof-bolter according to claim 1, it is characterised in that：Control arm (13) bottom end is set
Have handle holder (15), and the handle holder (15) and support plate (14) pass through rotation connection.
3. a kind of novel high torque roof-bolter according to claim 1, it is characterised in that：The motor shell (9) with it is described
Shell of reduction box (6) is fixedly connected, and shell of reduction box (6) top is equipped with water blocking set (8), and the water blocking set (8) is arc
Structure.
4. a kind of novel high torque roof-bolter according to claim 1, it is characterised in that：The back shroud (16) is equipped with
Socket cap screw.
5. a kind of novel high torque roof-bolter according to claim 1, it is characterised in that：Fixing sleeve (4) top is set
Help circle (10), and it is described help circle (10) be arcuate structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810911312.6A CN108825117B (en) | 2018-08-10 | 2018-08-10 | Novel high-torque roof bolter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810911312.6A CN108825117B (en) | 2018-08-10 | 2018-08-10 | Novel high-torque roof bolter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108825117A true CN108825117A (en) | 2018-11-16 |
| CN108825117B CN108825117B (en) | 2023-09-01 |
Family
ID=64152769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810911312.6A Active CN108825117B (en) | 2018-08-10 | 2018-08-10 | Novel high-torque roof bolter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108825117B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109577857A (en) * | 2019-01-28 | 2019-04-05 | 安徽宏昌机电装备制造有限公司 | Pneumatic roof bolter |
| CN110439597A (en) * | 2019-07-31 | 2019-11-12 | 太原理工大学 | A kind of coal mine use is automatic to beat anchor rod device |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB725209A (en) * | 1952-06-06 | 1955-03-02 | Chicago Pneumatic Tool Co | Combined mine-roof drilling and bolt-setting tool |
| CN2564728Y (en) * | 2002-08-16 | 2003-08-06 | 江阴市矿山器材厂 | Hydraulic anchor rod drilling machine |
| CN2589657Y (en) * | 2002-12-12 | 2003-12-03 | 淮北矿业（集团）公司袁庄煤矿 | Novel gear type anchor bolt drilling machine |
| CN2713115Y (en) * | 2004-05-30 | 2005-07-27 | 中国矿业大学 | Rotating mechanism of pneumatic jumbolter |
| CN201460711U (en) * | 2009-06-04 | 2010-05-12 | 孙伟 | Top and side dual-purpose pneumatic jumbolter |
| CN201695940U (en) * | 2010-06-07 | 2011-01-05 | 石家庄中煤装备制造有限公司 | Side motor arrangement type pneumatic jumbolter |
| CN103015890A (en) * | 2012-12-02 | 2013-04-03 | 孙旭 | Rotary impact type pneumatic roofbolter |
| CN103089284A (en) * | 2013-02-06 | 2013-05-08 | 石家庄中煤装备制造股份有限公司 | Pneumatic jumbolter |
| CN203499709U (en) * | 2013-09-27 | 2014-03-26 | 河北煜丰矿山机械制造有限公司 | Anchor rod machine torque transfer device |
| US20150043978A1 (en) * | 2012-04-04 | 2015-02-12 | Rambor Pty Limited | Roof bolter |
| CN204609755U (en) * | 2015-05-13 | 2015-09-02 | 江苏中煤矿山设备有限公司 | Pneumatic roof bolter |
| CN106285743A (en) * | 2016-10-13 | 2017-01-04 | 邢台瑞洋工矿工程有限公司 | A kind of Pneumatic rockbolt anchorage cable drill loader |
| CN209637683U (en) * | 2018-08-10 | 2019-11-15 | 冀凯河北机电科技有限公司 | A kind of novel high torque roof-bolter |
-
2018
- 2018-08-10 CN CN201810911312.6A patent/CN108825117B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB725209A (en) * | 1952-06-06 | 1955-03-02 | Chicago Pneumatic Tool Co | Combined mine-roof drilling and bolt-setting tool |
| CN2564728Y (en) * | 2002-08-16 | 2003-08-06 | 江阴市矿山器材厂 | Hydraulic anchor rod drilling machine |
| CN2589657Y (en) * | 2002-12-12 | 2003-12-03 | 淮北矿业（集团）公司袁庄煤矿 | Novel gear type anchor bolt drilling machine |
| CN2713115Y (en) * | 2004-05-30 | 2005-07-27 | 中国矿业大学 | Rotating mechanism of pneumatic jumbolter |
| CN201460711U (en) * | 2009-06-04 | 2010-05-12 | 孙伟 | Top and side dual-purpose pneumatic jumbolter |
| CN201695940U (en) * | 2010-06-07 | 2011-01-05 | 石家庄中煤装备制造有限公司 | Side motor arrangement type pneumatic jumbolter |
| US20150043978A1 (en) * | 2012-04-04 | 2015-02-12 | Rambor Pty Limited | Roof bolter |
| CN103015890A (en) * | 2012-12-02 | 2013-04-03 | 孙旭 | Rotary impact type pneumatic roofbolter |
| CN103089284A (en) * | 2013-02-06 | 2013-05-08 | 石家庄中煤装备制造股份有限公司 | Pneumatic jumbolter |
| CN203499709U (en) * | 2013-09-27 | 2014-03-26 | 河北煜丰矿山机械制造有限公司 | Anchor rod machine torque transfer device |
| CN204609755U (en) * | 2015-05-13 | 2015-09-02 | 江苏中煤矿山设备有限公司 | Pneumatic roof bolter |
| CN106285743A (en) * | 2016-10-13 | 2017-01-04 | 邢台瑞洋工矿工程有限公司 | A kind of Pneumatic rockbolt anchorage cable drill loader |
| CN209637683U (en) * | 2018-08-10 | 2019-11-15 | 冀凯河北机电科技有限公司 | A kind of novel high torque roof-bolter |
Non-Patent Citations (1)
| Title |
|---|
| 孙亮;王景义;: "手持式气动帮锚杆扭矩扳手", 煤矿机械, no. 08 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109577857A (en) * | 2019-01-28 | 2019-04-05 | 安徽宏昌机电装备制造有限公司 | Pneumatic roof bolter |
| CN110439597A (en) * | 2019-07-31 | 2019-11-12 | 太原理工大学 | A kind of coal mine use is automatic to beat anchor rod device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108825117B (en) | 2023-09-01 |
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