CN108316937A - A kind of device that achievable cutting arm is flexible - Google Patents
A kind of device that achievable cutting arm is flexible Download PDFInfo
- Publication number
- CN108316937A CN108316937A CN201711265229.8A CN201711265229A CN108316937A CN 108316937 A CN108316937 A CN 108316937A CN 201711265229 A CN201711265229 A CN 201711265229A CN 108316937 A CN108316937 A CN 108316937A
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- Prior art keywords
- cutting
- speed reducer
- cutting arm
- achievable
- case body
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- 238000005520 cutting process Methods 0.000 title claims abstract description 113
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 30
- 229920001971 elastomer Polymers 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 230000008602 contraction Effects 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000005641 tunneling Effects 0.000 description 2
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1006—Making by using boring or cutting machines with rotary cutting tools
- E21D9/1013—Making by using boring or cutting machines with rotary cutting tools on a tool-carrier supported by a movable boom
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Sawing (AREA)
Abstract
The invention discloses the devices that a kind of achievable cutting arm stretches, cutterhead is installed on cutting arm, cutting arm is fixedly connected with cutting speed reducer, cutting speed reducer is fixedly connected with cutting motor, cutterhead, cutting arm, cutting speed reducer and cutting motor form an extrusome that can be moved integrally, the extrusome drives integral telescopic, telescopic oil cylinder to be fixed in motor case body by telescopic oil cylinder, and motor case body outer wall is connect by multiple tie points with driving machine host.The device can realize the integral telescopic of cutting arm, can effectively improve the cutting range of cutterhead, promote the operating efficiency of development machine, solve the problem of that telescopic arm service life is short and be difficult to promote in large and medium-sized development machine.
Description
Technical field
The present invention relates to development machine, the flexible device of specially a kind of achievable cutting arm.
Background technology
Development machine is widely used in the underground space constructions fields such as coal mine roadway, massif tunnel, subway tunnel.Mainly by
The compositions such as cutting mechanism, walking mechanism, body frame.Current large and medium-sized cutting arm of tunneling machine is mostly the non-telescoping knot of cutterhead
Structure is sweeping bottom and cutting section four corners are extremely inconvenient when development machine being made to work, is seriously restrict the construction efficiency of development machine；
Although there is telescopic arm structures, such as Fig. 1 in minimole, the Telescopic of length direction is provided for cutterhead, because
Telescopic arm internal structure is complicated, keeps its service life shorter, can be used reluctantly in lower-powered type, in large-scale development machine
It is upper to use difficulty.
Therefore, the present invention provides the devices that a kind of achievable cutting arm stretches.The device can realize the entirety of cutting arm
It is flexible, the cutting range of cutterhead can be effectively improved, the operating efficiency of development machine is promoted, solution telescopic arm service life is short,
The problem of being difficult to promote in large and medium-sized development machine.
Invention content
The purpose of the present invention is to provide a kind of device for realizing cutting arm Telescopic, realize that the entirety of cutting arm is stretched
Contracting, can effectively improve the cutting range of cutterhead, promote the operating efficiency of development machine, solution telescopic arm service life is short, big
The problem of being difficult to promote in medium-sized development machine.
In order to solve the above technical problems, the technical solution adopted by the present invention is as follows：
A kind of device that achievable cutting arm is flexible, which is characterized in that cutterhead is installed on cutting arm, and cutting arm subtracts with cutting
Fast machine is fixedly connected, and cutting speed reducer is fixedly connected with cutting motor, cutterhead, cutting arm, cutting speed reducer and cutting motor
An extrusome that can be moved integrally is formed, the extrusome drives integral telescopic, telescopic oil cylinder to be fixed on electricity by telescopic oil cylinder
In box body, motor case body outer wall is connect by multiple tie points with driving machine host.
Further, the telescopic oil cylinder is set as two.
Further, telescopic oil cylinder is arranged on extrusome longitudinal center line or the top of longitudinal center line.
Further, it sets there are two hinge close to one end of cutting arm in the peripheral side of cutting speed reducer, corresponds to respectively
It is connect with a telescopic oil cylinder piston rod.
Further, cutting motor radial cross-section is circle, and cutting motor fuselage is equipped with one section of smooth contact surface；It is therein
End flange face is connect with cutting speed reducer, and the other end is wire connection cavity.
Further, it is provided on cutting speed reducer and/or cutting motor outer wall for accommodating the keypad installation for installing keypad
Slot.
Further, keypad on cutting speed reducer and/or cutting motor outer wall can be accommodated by, which being provided on motor case body inner wall, exists
Wherein coordinate the slideway of sliding.
Further, one end of motor case body towards cutterhead is provided with the oil cylinder screens for the telescopic oil cylinder that can accommodate contraction
Slot.
Further, motor case body inner wall one end cross section is rectangular, is slided wherein for accommodating cutting speed reducer；It is another
It is circle to hold cross section, is slided wherein for accommodating cutting motor.
Further, rubber pad is set in the slideway of motor case body inner wall；A back seat is arranged in the motor case body other end, on back seat
Oil leab is set, is lubricated for the face to opposite sliding.
Beneficial effects of the present invention：
Using by cutting arm, cutting speed reducer, cutting motor is fixed as an entirety as extrusome, and motor case body is as one
Fixed body is connect with driving machine host.Telescopic oil cylinder front end is connected with extrusome, and rear end is connected with fixed body, extrusome with
The slideway that can be movable relatively is equipped between fixed body, flexible by telescopic oil cylinder makes itself and slideway relative motion, realizes flexible
Body stretches, and realizes the flexible of cutting arm, realizes that the flexible of cutterhead, stroke 0-550mm improve the operation effect of development machine
Rate.The device can realize the integral telescopic of cutting arm, can effectively improve the cutting range of cutterhead, promote the operation effect of development machine
Rate solves the problem of that telescopic arm service life is short and is difficult to promote in large and medium-sized development machine.
Description of the drawings
Fig. 1 is existing cutting arm installation apparatus；
Fig. 2 is the front view of the present invention；
Fig. 3 is the vertical view of the present invention；
Fig. 4 is cutting speed reducer front view of the present invention；
Fig. 5 is cutting speed reducer right view of the present invention；
Fig. 6 is cutting speed reducer left view of the present invention；
Fig. 7 is cutting motor outline drawing of the present invention；
Fig. 8 is motor case body front view of the present invention；
Fig. 9 is motor case body vertical view of the present invention；
Figure 10 is Fig. 9 motor case body A-A sectional views of the present invention；
Figure 11 is motor case body left view of the present invention；
In figure：1, cutterhead, 2, cutting arm, 3, cutting speed reducer, 4, cutting motor, 5, motor case body, 6, telescopic oil cylinder, 7, outer
Keypad I, 8, outer keypad II, 9, outer keypad III, 10, interior keypad I, 11, interior keypad II, 12, backing plate, 13, keypad pin, 14, after
Seat, 15, rubber pad.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings.Following embodiment is only used for clearly illustrating the present invention
Technical solution, and not intended to limit the protection scope of the present invention.
As shown in Figure 2 to Figure 3, a kind of device to stretch for cutting arm of tunneling machine.Cutterhead 1 is installed on cutting arm 2,
Cutting arm is bolted on cutting speed reducer 3, and cutting speed reducer 3 is bolted with cutting motor 4, this 4 part
It is connected as the entirety of a Telescopic movable, when cutting arm telescopic device works, this whole work with two telescopic oil cylinders 6
Stopper rod telescopic end is fixedly connected, and is moved forward and backward by two drivings of telescopic oil cylinder 6, is realized the flexible of cutting arm 2.Telescopic oil cylinder 6
Another fixing end is fixed on motor case body 5, and motor case body 5 is connect by four hinges with driving machine host.
As shown in Figures 4 to 6,3 radial cross-section of cutting speed reducer uses squared design；Two flange faces c, the d at both ends
Pass through flanged joint with cutting motor 4 and cutting arm 2 respectively；End close to cutting arm on the side of cutting speed reducer 3 is set
There are two telescopic oil cylinders to connect hinge e, for pushing entire extrusome to slide back and forth；Circumferential upper and lower front and back of cutting speed reducer 3
It is equipped with a on four faces, two kinds of shapes of b totally 8 keypad mounting grooves, groove depth 10mm, for installing interior keypad 10,11；Because flexible
The placement of oil cylinder hinge, left and right keypad use size combinations, ensure keypad contact strength, because telescopic oil cylinder connection hinge is set
Meter position when influencing the design of left and right side key panel cannot as the rule design upper and lower keypad, to increase ramps contact area,
Left and right keypad uses size combinations design method.
As shown in fig. 7, cutting motor 4 uses high-strength plate, radial cross-section is circular design, f flanges in one end therein
Face is bolted with cutting speed reducer 3；4 fuselage of cutting motor is equipped with one section of smooth contact surface g, ensures cutting motor sliding
The machining accuracy in face simultaneously reduces resistance to sliding；Other end h is wire connection cavity, makes the trend of cable that cutting motor not interfered to stretch work(
Can, cutting motor wire connection cavity is designed backwards, easy-to-connect is quick, is convenient for maintaining；When working because of whole device, cutting electricity
Chance is equipped with 8 groups of reinforcing ribs by radial force effect at connecting flange, improves the intensity of cutting motor.
In conjunction with shown in Fig. 8 to Figure 11, fixing end of the motor case body 5 as apparatus of the present invention, by being arranged in both sides outer wall
On each two hinges i, k connect with host, preferably, per two hinge i on the outer wall of side, g be located at different horizontal lines with
On vertical line；It is whole to be designed using radial cross-section square structure；In motor case body 5 flexible oil is equipped with towards the front of cutterhead
Cylinder screens slot k, keeps overall structure compact-sized in retracted state；Each 90 ° of circumferential corners increase reinforcing plate j,
L prevents babinet from causing welding bead to crack or deform because of high sharp pounding；Babinet is equipped with telescopic oil cylinder and connects hinge m, as flexible
Oil cylinder fixing end tie point；Box house is equipped with keypad link slot at 8, groove depth 10mm, for connecting outer keypad 7,8,9；Babinet
The slideway cross section being arranged on inner wall uses circle design behind front, front to constitute the rectangular structure in cross section by 8 groups of keypads, use
It is slided wherein in accommodating cutting speed reducer 3；Rear is fixed with back seat 14, and the cross section of formation is round sliding rail q, for accommodating
Cutting motor 4 slides wherein；Also, slideway round diameter is not more than its rectangular length of side, limited to avoid sliding.In concentric stroking
Rubber pad 15 is used on rail, plays the role of damping vibration protection cutting motor；Lubrication is devised on the back seat 14 of motor case body 5
Oil duct p is lubricated to the face of opposite sliding, improves the service life of entire mechanism；The round sliding rail q at babinet rear with it is outer
Nitrile rubber o, vibrations when buffering cutting arm is flexible are additionally provided between wall；It is equipped with keypad pin hole in keypad junction, is used for
Fixed keypad ensures that keypad not because of larger frictional force relative motion, makes equipment fail.
Claims (10)
1. a kind of flexible device of achievable cutting arm, which is characterized in that cutterhead is installed on cutting arm, cutting arm and cutting
Speed reducer is fixedly connected, and cutting speed reducer is fixedly connected with cutting motor, cutterhead, cutting arm, cutting speed reducer and cutting electricity
Machine forms an extrusome that can be moved integrally, and the extrusome drives integral telescopic, telescopic oil cylinder to be fixed on by telescopic oil cylinder
In motor case body, motor case body outer wall is connect by multiple tie points with driving machine host.
2. a kind of flexible device of achievable cutting arm according to claim 1, which is characterized in that the telescopic oil cylinder is set
It is set to two.
3. a kind of flexible device of achievable cutting arm according to claim 1, which is characterized in that telescopic oil cylinder is arranged in
On the extrusome longitudinal center line or top of longitudinal center line.
4. a kind of flexible device of achievable cutting arm according to claim 1, which is characterized in that in cutting speed reducer
It is set there are two hinge close to one end of cutting arm in peripheral side, correspondence is connect with a telescopic oil cylinder piston rod respectively.
5. a kind of flexible device of achievable cutting arm according to claim 1, which is characterized in that cutting motor is radial horizontal
Section is circle, and cutting motor fuselage is equipped with one section of smooth contact surface；End flange face therein is connect with cutting speed reducer, separately
One end is wire connection cavity.
6. a kind of flexible device of achievable cutting arm according to claim 1, which is characterized in that cutting speed reducer and/
Or the keypad mounting groove for accommodating installation keypad is provided on cutting motor outer wall.
7. a kind of flexible device of achievable cutting arm according to claim 6, which is characterized in that on motor case body inner wall
The slideway that keypad on cutting speed reducer and/or cutting motor outer wall coordinates sliding wherein can be accommodated by being provided with.
8. a kind of flexible device of achievable cutting arm according to claim 1, which is characterized in that motor case body direction is cut
The one end for cutting head is provided with the oil cylinder screens slot for the telescopic oil cylinder that can accommodate contraction.
9. a kind of flexible device of achievable cutting arm according to claim 1, which is characterized in that motor case body inner wall one
It is rectangular to hold cross section, is slided wherein for accommodating cutting speed reducer；Other end cross section is circle, for accommodating cutting electricity
Machine slides wherein.
10. a kind of flexible device of achievable cutting arm according to claim 1, which is characterized in that motor case body inner wall
Slideway in be arranged rubber pad；A back seat is arranged in the motor case body other end, and oil leab is arranged on back seat, for opposite sliding
Face be lubricated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711265229.8A CN108316937A (en) | 2017-12-05 | 2017-12-05 | A kind of device that achievable cutting arm is flexible |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711265229.8A CN108316937A (en) | 2017-12-05 | 2017-12-05 | A kind of device that achievable cutting arm is flexible |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108316937A true CN108316937A (en) | 2018-07-24 |
Family
ID=62891733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711265229.8A Pending CN108316937A (en) | 2017-12-05 | 2017-12-05 | A kind of device that achievable cutting arm is flexible |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108316937A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374587A (en) * | 2019-08-19 | 2019-10-25 | 天地科技股份有限公司上海分公司 | The telescopic cutting mechanism of development machine |
| CN110410092A (en) * | 2019-08-30 | 2019-11-05 | 三一重型装备有限公司 | Development machine motor case body and development machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201401165Y (en) * | 2009-05-06 | 2010-02-10 | 三一重型装备有限公司 | Cutting part of heading machine |
| CN103147750A (en) * | 2013-03-01 | 2013-06-12 | 中传重型装备有限公司 | Cutting part of heading machine |
| CN104500059A (en) * | 2014-12-01 | 2015-04-08 | 辽宁通用煤机装备制造股份有限公司 | Heading machine cutting part with high-strength telescoping mechanism |
| CN204591266U (en) * | 2015-02-09 | 2015-08-26 | 沈阳北方重矿机械有限公司 | The telescopic cutting units of a kind of development machine |
| CN207740006U (en) * | 2017-12-05 | 2018-08-17 | 徐州徐工基础工程机械有限公司 | A kind of device that achievable cutting arm is flexible |
-
2017
- 2017-12-05 CN CN201711265229.8A patent/CN108316937A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201401165Y (en) * | 2009-05-06 | 2010-02-10 | 三一重型装备有限公司 | Cutting part of heading machine |
| CN103147750A (en) * | 2013-03-01 | 2013-06-12 | 中传重型装备有限公司 | Cutting part of heading machine |
| CN104500059A (en) * | 2014-12-01 | 2015-04-08 | 辽宁通用煤机装备制造股份有限公司 | Heading machine cutting part with high-strength telescoping mechanism |
| CN204591266U (en) * | 2015-02-09 | 2015-08-26 | 沈阳北方重矿机械有限公司 | The telescopic cutting units of a kind of development machine |
| CN207740006U (en) * | 2017-12-05 | 2018-08-17 | 徐州徐工基础工程机械有限公司 | A kind of device that achievable cutting arm is flexible |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374587A (en) * | 2019-08-19 | 2019-10-25 | 天地科技股份有限公司上海分公司 | The telescopic cutting mechanism of development machine |
| CN110410092A (en) * | 2019-08-30 | 2019-11-05 | 三一重型装备有限公司 | Development machine motor case body and development machine |
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