CN110145349A - It is a kind of to increase pretightning force device for mine anchor rod - Google Patents
It is a kind of to increase pretightning force device for mine anchor rod Download PDFInfo
- Publication number
- CN110145349A CN110145349A CN201910454097.6A CN201910454097A CN110145349A CN 110145349 A CN110145349 A CN 110145349A CN 201910454097 A CN201910454097 A CN 201910454097A CN 110145349 A CN110145349 A CN 110145349A
- Authority
- CN
- China
- Prior art keywords
- planetary gear
- gear
- anchor rod
- pretightning force
- planetary
- 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.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 238000010276 construction Methods 0.000 abstract description 5
- 239000003245 coal Substances 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 208000012826 adjustment disease Diseases 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process 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
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/46—Systems consisting of a plurality of gear trains each with orbital gears, i.e. systems having three or more central gears
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Retarders (AREA)
Abstract
It is a kind of to increase pretightning force device for mine anchor rod, belong to the construction tool technical field of bolt pretension.It is described to increase pretightning force device for mine anchor rod, including sequentially connected Two-way spanner, torque multiplier and output sleeve, Two-way spanner includes ratchet wheel body, the two sides of ratchet wheel body are symmetrically arranged with afterburner handle, ratchet wheel body includes ratchet and pawl, ratchet and output shaft one are connected, torque multiplier includes the several groups planetary gear mechanism axially set gradually, the input shaft of several groups planetary gear mechanism is connect with output shaft one, the output shaft two and output sleeve connection of several groups planetary gear mechanism, the torque multiplier is externally provided with locking device close to the side of output sleeve.It is described to increase pretightning force device for mine anchor rod, it is simple and compact for structure, manual operations is convenient, pollution is not generated to environment, is particularly suitable for the narrow construction site of coal mine working space.
Description
Technical field
The present invention relates to the construction tool technical field of bolt pretension, in particular to a kind of increasing for mine anchor rod
Big pretightning force device.
Background technique
Mine bolt pretightning force mainly tightens anchor pole tail portion nut by roof-bolter rotation, by compressing tray plate come real
Existing pretightning force.But it is put to good use not open in the narrow place of lane space, and roof-bolter cannot provide biggish torque, cause anchor
The pretightning force of bar is relatively low, is not able to satisfy required pretightning force.For deep mine anchor pole pretightning force size to stability of cavern roof
Property there is conclusive effect, when pretightning force increases certain value, roof strata can be made be in lateral compression, be formed in advance
The shearing strength of deep mine roof entirety can be improved by top plate pre-fastening structure for stress bearing structure.
The torque that existing spanner generates when in use is determined by torque arm length and the external force of application, and torque arm length is
Fixed, even if jacketed pipe increases the arm of force, length is also impossible to too long, up to one times of spanner torque arm length.Make
Used time, it is inadequate to be easy to appear torque, can not tighten nut, cause the accident.
Summary of the invention
In order to solve spanner of the existing technology be easy to appear torque not enough, nut can not be tightened, cannot be in narrow sky
Between apply the technical problems such as high-strength prestressed, increase pretightning force device for mine anchor rod the present invention provides a kind of, knot
Structure is simple and compact, manual operations is convenient, does not generate pollution to environment, is particularly suitable for the narrow construction field of coal mine working space
It closes.
To achieve the goals above, the technical scheme is that
It is a kind of to increase pretightning force device, including sequentially connected Two-way spanner, torque multiplier for mine anchor rod
With output sleeve；
The Two-way spanner includes ratchet wheel body, and the two sides of the ratchet wheel body are symmetrically arranged with afterburner handle, the ratchet wheel body
Including ratchet and pawl, ratchet and output shaft one are connected；
The torque multiplier includes the several groups planetary gear mechanism axially set gradually, the several groups planetary gear
The input shaft of mechanism is connect with output shaft one, the output shaft two and output sleeve connection of the several groups planetary gear mechanism, defeated
Different specifications can be used to be applicable in various large diameter bolt nuts in sleeve out, and the torque multiplier is close to export the one of sleeve
Side is externally provided with locking device.
The planetary gear mechanism is provided with three groups, respectively planetary gear mechanism one, planetary gear mechanism two and planet
Gear mechanism three, the planetary gear mechanism one include sun gear one, gear ring one and several planetary gears one, the planetary gear
Mechanism two includes sun gear two, gear ring two and several planetary gears two, and the planetary gear mechanism three includes sun gear three, gear ring
Three and several planetary gears three, the gear ring one, gear ring two and gear ring three collectively form internal tooth circle body, make torque multiplier one
A entirety, and while preventing torque multiplier from working, enters dust.
The sun gear one is connected with input shaft, and the planetary gear one is engaged with sun gear one and internal tooth circle body respectively, institute
It states planetary gear one and is connect with planet carrier one by pin shaft one, the planet carrier one is connected with sun gear two, and the planetary gear two divides
It is not engaged with sun gear two and internal tooth circle body, the planetary gear two is connect with planet carrier two by pin shaft two, the planet carrier two
It is connected with sun gear three, the planetary gear three is engaged with sun gear three and internal tooth circle body respectively, the planetary gear three and planet carrier
Three are connected by pin shaft three, and the planet carrier three is connected with output shaft two.
The planetary gear one, planetary gear two and planetary gear three are respectively arranged with three, three planetary gears, one, three planet
Circumferential direction of two and three planetary gears three respectively along corresponding sun gear is taken turns to be uniformly distributed.
The internal tooth circle body is provided with end cap close to one end of Two-way spanner, enters when for preventing torque multiplier from working
Dust.
The locking device makes planet for preventing the rotation of internal tooth circle body using the reaction arm of force or counter-force handle
Wheel rotates that output shaft two is driven to rotate around sun gear, so that output torque is made since the soil body environment in tunnel is different when anti-
With the reaction arm of force when suitable supporting point can be found with the arm of force, if the reaction arm of force can not find suitable support
Point just uses counter-force handle.
The reaction arm of force is equipped with support adjusting device, can 360 ° of any adjustment reaction arm of forces positions, change the arm of force
Angle, to find suitable position locking internal tooth circle body.
Beneficial effects of the present invention:
Increase mine anchor rod application pretightning force apparatus structure of the invention is simple and compact, hand-manipulated light and handy convenient, is not required to
Any energy is wanted, pollution is not generated to environment, is particularly suitable for the narrow construction site of coal mine working space.
The torque multiplier includes the several groups planetary gear mechanism axially set gradually, the several groups planetary gear
The input shaft of mechanism is connect with output shaft one, the output shaft two and output sleeve connection of the several groups planetary gear mechanism, tooth
Wheel internal messing can improve space utilization rate, biggish transmission ratio can be realized in lesser space, the power for applying very little just generates
At the torque of multiple, nut can be protected not to be destroyed during installation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of torque multiplier provided by the invention；
Fig. 2 is the top view of Two-way spanner provided by the invention；
Fig. 3 is the main view of Two-way spanner provided by the invention；
Fig. 4 is the structural schematic diagram of output sleeve provided by the invention；
Fig. 5 is the structural schematic diagram of counter-force handle provided by the invention.
In figure, 1- Two-way spanner, 2- input shaft, 3- end cap, 4- sun gear one, 5- pin shaft one, 6- planetary gear one, 7- planet
Frame one, 8- sun gear two, 9- pin shaft two, 10- planetary gear two, 11- planet carrier two, 12- sun gear three, 13- pin shaft three, 14- row
Star-wheel three, 15- planet carrier three, 16- internal tooth circle body, 17- output shaft two, 18- support adjusting device, the 19- reaction arm of force, 20- are defeated
Sleeve out, 21- ratchet, 22- pawl, 23- output shaft one, 24- afterburner handle, 25- ratchet wheel body, 26- boring cover, 27- silently, 28-
Counter-force handle.
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 embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.?
In description of the invention, it should be noted that term " on ", "lower", "inner", "outside", " both ends ", " one end ", " other end " etc.
The orientation or positional relationship of instruction is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of the description present invention and letter
Change description.Term " one ", " two ", " three " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.Unless
Separately there is specific regulation and limit, term " installation ", " being provided with ", " connection " etc. shall be understood in a broad sense, such as " connection ", can
To be to be fixedly connected, may be a detachable connection, or be integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can
To be to be connected directly, the connection inside two elements can also be can be indirectly connected through an intermediary.For this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Of the existing technology in order to solve the problems, such as, as shown in Figures 1 to 5, the present invention provides one kind to be used for mining anchor
Bar increases pretightning force device, including sequentially connected Two-way spanner 1, torque multiplier and output sleeve 20.
As shown in Figure 1, torque multiplier includes the three groups of planetary gear mechanisms axially set gradually, respectively planetary gear
Mechanism one, planetary gear mechanism two and planetary gear mechanism three, planetary gear mechanism one include sun gear 1, gear ring one and three
A planetary gear 1, planetary gear mechanism two include sun gear 28, gear ring two and three planetary gear 2 10, planetary gear mechanism three
Including sun gear 3 12, gear ring three and three planetary gear 3 14, gear ring one, gear ring two and gear ring three collectively form internal tooth circle body
16, gear ring one, gear ring two and gear ring three are replaced using the internal tooth circle body 16 of tubular structure, make one entirety of torque multiplier,
And internal tooth circle body 16 is provided with end cap 3 close to one end of Two-way spanner 1, and ash is entered when for preventing torque multiplier from working
Dirt.Three planetary gears, one 6, three planetary gears 2 10 and three planetary gears 3 14 are respectively along the circumferential uniform of corresponding sun gear
Distribution.Sun gear 1 and input shaft 2 are connected, and planetary gear 1 is engaged with sun gear 1 and internal tooth circle body 16 respectively, planetary gear one
6 connects with planet carrier 1 by pin shaft 1, and planet carrier 1 and sun gear 28 are connected, planetary gear 2 10 respectively with sun gear two
8 and internal tooth circle body 16 engage, planetary gear 2 10 and planet carrier 2 11 are connect by pin shaft 29, planet carrier 2 11 and sun gear three
12 are connected, and planetary gear 3 14 is engaged with sun gear 3 12 and internal tooth circle body 16 respectively, and planetary gear 3 14 passes through with planet carrier 3 15
Pin shaft 3 13 connects, and planet carrier 3 15 and output shaft 2 17 are connected, and the connection from input shaft 2 to output shaft 2 17 is defeated in order to make
The torque for entering axis 2 is exported from output shaft 2 17, so above-mentioned can be used the prior art from input shaft 2 to the connection of output shaft 2 17
In connection type, with realize torque increase output.Torque multiplier is externally provided with locking dress close to the side of output sleeve 20
Set, locking device uses the reaction arm of force 19 or counter-force handle 28, for preventing the rotation of internal tooth circle body 16, make planetary gear around
Sun gear rotates that output shaft 2 17 is driven to rotate, so that output torque works as reaction since the soil body environment in tunnel is different
With the reaction arm of force 19 when the arm of force 19 can find suitable supporting point, the reaction arm of force 19 is equipped with support adjusting device 18,
Can 360 ° of any adjustment reaction arm of forces 19 positions, change the angle of the arm of force, to find suitable position locking internal tooth circle body
16.As shown in figure 5, counter-force handle 28 is just used, by internal tooth circle body 16 if the reaction arm of force 19 can not find suitable supporting point
Outside and the slot of centre of counter-force handle 28 fix, the handle of two sides is manually held, for preventing internal tooth circle body 16
Rotation.
As shown in Figures 2 and 3, Two-way spanner 1 includes ratchet wheel body 25, and the two sides of ratchet wheel body 25 are symmetrically arranged with afterburner handle
24, each afterburner handle 24 is provided with silently 27 far from one end of ratchet wheel body 25, operates convenient for operator, and ratchet wheel body 25 includes
Ratchet 21 and pawl 22, ratchet 21 and output shaft 1 are connected, and ratchet wheel body 25 is provided with boring cover far from the side of output shaft 1
26, for preventing dust from entering Two-way spanner 1, output shaft 1 is connect with input shaft 2, and output shaft 1 and input shaft 2 are arranged
There are matched hexagonal prisms and six rib slots, the hexagonal prisms of output shaft 1 are inserted into six rib slots of 2 end of input shaft, to transmit power
Square, it is high strength anchor bar that setting Two-way spanner 1, which is due to mine anchor rod, and installation torque is larger, and Two-way spanner 1 is made to compare lug wrench
It is more labor-saving, and the double (end) wrench of replaceable different length, one 23 output power of output shaft and torque multiplier of Two-way spanner 1
Input shaft 2 connect, the output shaft 2 17 of torque multiplier connect generation torque with output sleeve 20, when in use, two-way to pull
Torque wrench in the prior art can be used in hand 1, or by increasing a hand on the basis of torque wrench in the prior art
Handle is realized.
As shown in figure 4, output sleeve 20 is connect with output shaft 2 17, output shaft 2 17 is provided with mating with output sleeve 20
Hexagonal prisms and six rib slots, output shaft 2 17 hexagonal prisms insertion output 20 end of sleeve six rib slots in transmission torque, it is defeated
Different specifications can be used to be applicable in various large diameter bolt nuts in sleeve 20 out.
The above-mentioned application method that can increase pretightning force device for mine anchor rod:
Select matched output sleeve 20 according to the nut specification of mine anchor rod, by the output shaft 2 17 of torque multiplier and
It exports sleeve 20 to connect, then the output shaft 1 of Two-way spanner 1 is connect with the input shaft 2 of torque multiplier, sleeve will be exported
20 sets on the nut of the mine anchor rod anchored；It is tightened after adjusting the position of the reaction arm of force 19 by support adjusting device 18
It is fixed, guarantee that internal tooth circle body 16 is locked, will not rotate；Input shaft 2 is rotated to 2 output torque of input shaft by Two-way spanner 1,
Input shaft 2 pass sequentially through sun gear 1, planetary gear 1, planet carrier 1, sun gear 28, planetary gear 2 10, planet carrier 2 11,
Torque is output to output sleeve 20 by sun gear 3 12, planetary gear 3 14, planet carrier 3 15 and output shaft 2 17, is covered by output
Nut is tightened for cylinder 20.
Anchor pole spanner in the prior art, input torque 100-150Nm, obtained pretightning force are only 18KN or so,
It is not able to satisfy the installation torque demand of mine anchor rod, pretightning force can be increased for mine anchor rod using in the present invention in practice
Device inputs 180Nm torque, so that the torque for reaching output sleeve 20 is expanded four times, is 720Nm, mine anchor rod obtains
Pretightning force be 110KN, realize and increase torque in the case where not increasing torque arm length, tighten nut, and can adapt to
Coal mine roadway applies high-strength prestressed requirement in small space.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of increase pretightning force device for mine anchor rod, which is characterized in that including sequentially connected Two-way spanner, torsion
Square multiplier and output sleeve；
The Two-way spanner includes ratchet wheel body, and the two sides of the ratchet wheel body are symmetrically arranged with afterburner handle, and the ratchet wheel body includes
Ratchet and pawl, ratchet and output shaft one are connected；
The torque multiplier includes the several groups planetary gear mechanism axially set gradually, the several groups planetary gear mechanism
Input shaft connect with output shaft one, the output shaft two of the several groups planetary gear mechanism and output sleeve connect, the torque
Multiplier is externally provided with locking device close to the side of output sleeve.
2. according to claim 1 increase pretightning force device for mine anchor rod, which is characterized in that the planet tooth
Wheel mechanism is provided with three groups, respectively planetary gear mechanism one, planetary gear mechanism two and planetary gear mechanism three, the planet
Gear mechanism one include sun gear one, gear ring one and several planetary gears one, the planetary gear mechanism two include sun gear two,
Gear ring two and several planetary gears two, the planetary gear mechanism three include sun gear three, gear ring three and several planetary gears three,
The gear ring one, gear ring two and gear ring three collectively form internal tooth circle body.
3. according to claim 2 increase pretightning force device for mine anchor rod, which is characterized in that the sun gear
One is connected with input shaft, and the planetary gear one is engaged with sun gear one and internal tooth circle body respectively, the planetary gear one and planet carrier
One is connected by pin shaft one, and the planet carrier one is connected with sun gear two, the planetary gear two respectively with sun gear two and internal tooth
Circle body engagement, the planetary gear two are connect with planet carrier two by pin shaft two, and the planet carrier two is connected with sun gear three, described
Planetary gear three is engaged with sun gear three and internal tooth circle body respectively, and the planetary gear three is connect with planet carrier three by pin shaft three, institute
It states planet carrier three and output shaft two is connected.
4. according to claim 2 increase pretightning force device for mine anchor rod, which is characterized in that the planetary gear
One, planetary gear two and planetary gear three are respectively arranged with three, three planetary gears, one, three planetary gear two and three planetary gear three
Circumferential direction respectively along corresponding sun gear is uniformly distributed.
5. according to claim 2 increase pretightning force device for mine anchor rod, which is characterized in that the ring gear
Body is provided with end cap close to one end of Two-way spanner.
6. according to claim 1 increase pretightning force device for mine anchor rod, which is characterized in that the locking dress
It sets using the reaction arm of force or counter-force handle.
7. according to claim 6 increase pretightning force device for mine anchor rod, which is characterized in that the reaction
The arm of force is equipped with support adjusting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910454097.6A CN110145349A (en) | 2019-05-29 | 2019-05-29 | It is a kind of to increase pretightning force device for mine anchor rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910454097.6A CN110145349A (en) | 2019-05-29 | 2019-05-29 | It is a kind of to increase pretightning force device for mine anchor rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110145349A true CN110145349A (en) | 2019-08-20 |
Family
ID=67593495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910454097.6A Pending CN110145349A (en) | 2019-05-29 | 2019-05-29 | It is a kind of to increase pretightning force device for mine anchor rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110145349A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2770883Y (en) * | 2005-03-22 | 2006-04-12 | 朱耀梁 | Speed-changing labour-saving wrench |
| CN2813216Y (en) * | 2005-03-15 | 2006-09-06 | 朱耀梁 | Booster spanner capable of preventing resilience of input end torque force |
| CN202992089U (en) * | 2012-12-28 | 2013-06-12 | 山西潞安环保能源开发股份有限公司王庄煤矿 | Torque multiplier for roof anchor rod |
| CN103846847A (en) * | 2012-11-28 | 2014-06-11 | 江苏金立电子机械科技有限公司 | Torque multiplier |
| CN106545352A (en) * | 2016-11-04 | 2017-03-29 | 大同煤矿集团有限责任公司 | Torque multiplier of anchor rod |
-
2019
- 2019-05-29 CN CN201910454097.6A patent/CN110145349A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2813216Y (en) * | 2005-03-15 | 2006-09-06 | 朱耀梁 | Booster spanner capable of preventing resilience of input end torque force |
| CN2770883Y (en) * | 2005-03-22 | 2006-04-12 | 朱耀梁 | Speed-changing labour-saving wrench |
| CN103846847A (en) * | 2012-11-28 | 2014-06-11 | 江苏金立电子机械科技有限公司 | Torque multiplier |
| CN202992089U (en) * | 2012-12-28 | 2013-06-12 | 山西潞安环保能源开发股份有限公司王庄煤矿 | Torque multiplier for roof anchor rod |
| CN106545352A (en) * | 2016-11-04 | 2017-03-29 | 大同煤矿集团有限责任公司 | Torque multiplier of anchor rod |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20190820 |