CN201521297U - Cutting arm device of road header - Google Patents
Cutting arm device of road header Download PDFInfo
- Publication number
- CN201521297U CN201521297U CN2009201802216U CN200920180221U CN201521297U CN 201521297 U CN201521297 U CN 201521297U CN 2009201802216 U CN2009201802216 U CN 2009201802216U CN 200920180221 U CN200920180221 U CN 200920180221U CN 201521297 U CN201521297 U CN 201521297U
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- arm
- forearm
- cutterhead
- hinged
- cutting head
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Abstract
A cutting arm device of a road header comprises a cutting arm which consists of a large arm (7) and a small arm (5), wherein the small arm (5) is mounted at the front end of the large arm (7) and the large arm (7) and the small arm (5) are connected via a hinge. The tail end of the large arm (7) is hinged with a frame (12), the middle portion of the large arm (7) is hinged with a head of a piston rod of a large arm cylinder (8), and a cylinder tail end of the large arm cylinder (8) is hinged with the frame (12). A small arm cylinder (6) is arranged between the middle portions of the large arm (7) and the small arm (5), a cutting head support (1) is connected to the front end of the small arm (5), a left cutting head (9) and a right cutting head (10) positioned on the cutting head support (1) are respectively in the shape of a hub, rotating shafts of the left cutting head (9) and the right cutting head (10) are parallel to a rotating spindle of a hinge shaft, and the peripheries and the outer sides of both of the left cutting head (9) and the right cutting head (10) are provided with cutting bits (11). The cutting arm device is capable of effectively reducing auxiliary staff for feeding materials, and investment of both clearing hazardous substances on top face and lateral faces of a tunnel and flattening operators, effectively protecting personal safety, simultaneously greatly speeding up heading speed of the tunnel, and increasing coal production efficiency. As the cutting head and the small arm are connected by means of hinge, and the cutting head can be quite easily and conveniently replaced by a breaking hammer, a hydraulic drill or a digging bucket which are respectively capable of breaking operation of large stones, drilling operation and ballast raking transfer operation, thereby realizing multifunctional operation of the machine, reducing machine cost and saving coal production cost.
Description
Technical field
The utility model relates to a kind of novel cutting arm device, specifically is a kind ofly can offer the cutting arm device that development machine is used.
Background technology
At present the cutting arm of development machine mostly is the straight arm type device, divides flexible or stretching structure not, can't cut get off be deposited in before the shovel board and the coal breakage of shovel board left and right side installs on the shovel board in the conveying mechanism, the indirect labor that still needs finishes in the charging of these coal breakages.The development machine of straight arm type cutting means is after finishing the tunnel cut, and the surperficial danger in the end face in tunnel and left and right side is a lot, planeness is bad, can't directly carry out next step supporting operation, also needs the indirect labor to finish danger and removes and flat surface.Because the cutting arm device of development machine partly is in the non-supporting district of face, to these auxiliary charging personnel with to carry out the cleaning and the smooth personnel of tunnel end face and side abnormally dangerous, artificial operating efficiency is very slow, has a strong impact on Coal Production and benefit, even jeopardizes artificial life security.Cutterhead and cutting arm are to be fastenedly connected, and can't realize changing the multi-function operation of multiple functional device.
Summary of the invention
The purpose of this utility model provides a kind of novel tunneling machine cutting arm assembly, in the process of cut tunnel, can to cut get off be deposited in before the shovel board and the auxiliary conveying mechanism that is charged on the shovel board of coal breakage of shovel board left and right side in; Top, equating tunnel and left and right side make things convenient for next step supporting operation easily.
For achieving the above object, the technical solution adopted in the utility model is: a kind of tunneling machine cutting arm assembly is characterized in that: cutting arm is made up of big arm and forearm, and forearm is contained in big arm front end, adopts between the two to be articulated and connected; The tail end and the frame of big arm are hinged, and the middle part of big arm is hinged with the piston rod end of big arm oil cylinder, and the cylinder body tail end and the frame of big arm oil cylinder are hinged; Between the middle part of big arm and forearm the forearm oil cylinder is set; the forearm front end is connected with the cutterhead support; left cutterhead, right cutterhead are set on the cutterhead support; left cutterhead, right cutterhead are hub-like; its rotating shaft is parallel with the gyroaxis core of above-mentioned jointed shaft, arranges pick on the side face of left cutterhead, right cutterhead and the lateral surface.
As shown from the above technical solution, cutting arm is designed to the big and small arms structure of radial type, has increased the job area of cutterhead; Cutterhead and forearm adopt and are articulated and connected, and increase the flexibility of cutterhead, thereby further strengthen the job area of cutterhead; While cutterhead for convenience detach is to realize changing the multi-function operation of multiple functional device;
The rotating shaft of left side cutterhead, right cutterhead is parallel with the gyroaxis core of above-mentioned jointed shaft, promptly be designed to the horizontal shaft type cutterhead, be made up of left and right cutterhead, the circumferential and right flank of the circumferential and left surface of left cutterhead, right cutterhead is welded with the cut tooth, can finish circumferential cut and side cut.
Description of drawings
Accompanying drawing 1 is a structural representation of the present utility model;
Accompanying drawing 2 is a horizontal shaft type cutterhead profile schematic diagram of the present utility model.
The specific embodiment
Accompanying drawing is examples of implementation of the present utility model.
The tunneling machine cutting arm assembly, cutting arm is made up of big arm 7 and forearm 5, and forearm 5 is contained in big arm 7 front ends, adopts between the two to be articulated and connected; The tail end and the frame 12 of big arm 7 are hinged, the middle part of big arm 7 is hinged with the piston rod end of big arm oil cylinder 8, the cylinder body tail end and the frame 12 of big arm oil cylinder 8 are hinged, between the middle part of big arm 7 and forearm 5 forearm oil cylinder 6 is set, so big arm 7 and forearm 5 are respectively by big arm oil cylinder 8 and forearm oil cylinder 6 control actions.
Forearm 5 front ends are connected with cutterhead support 1, left cutterhead 9 is set on the cutterhead support 1, right cutterhead 10, left side cutterhead 9, right cutterhead 10 is a hub-like, its rotating shaft is parallel with the gyroaxis core of above-mentioned jointed shaft, be that cutterhead support 1 adopts the fixing left cutterhead 9 of horizontal shaft type structure, right cutterhead 10, left side cutterhead 9, arrange pick 11 on the side face of right cutterhead 10 and the lateral surface, as shown in Figure 2, circumferential and left surface at left cutterhead 9, circumferential and the right flank of right cutterhead 10 is welded with cut tooth 11, an above-mentioned jointed shaft and a left side, right cutterhead 9,10 gyroaxis is parallel to each other, and mechanism rotates in same plane.
Described big arm oil cylinder 8, forearm oil cylinder 6 lay respectively at the below of big arm 7 and forearm 5, and promptly big arm oil cylinder 8 and forearm oil cylinder 6 all adopt down interposed structure, reduce the complete machine height, effectively protect the forearm oil cylinder.
The stage casing of the lower end of rocking bar 3 and forearm 5 is articulated and connected, the rear end of the upper end of rocking bar 3 and connecting rod 2 is hinged, the front end of connecting rod 2 and cutterhead support 1 are hinged, hole 1a on the cutterhead support 1 is by hinged forearm 5 front ends that are contained in of bearing pin, hole 1b is hinged by the front end of bearing pin and connecting rod 2, referring to Fig. 2, the quadric chain of forming by cutterhead support 1, connecting rod 2, rocking bar 3, forearm 5, be provided with between cutterhead support 1 and the forearm 5 and excavate oil cylinder 4, the quadric chain of being made up of cutterhead 1, connecting rod 2, rocking bar 3, forearm 5 is by excavation oil cylinder 4 control actions.
One end of described excavation oil cylinder 4 is hinged on the forearm 5, and the other end is hinged on the jointed shaft of rocking bar 3 and connecting rod 2, excavates oil cylinder 4 and is positioned at forearm 5 tops.
Control big arm oil cylinder 8, forearm oil cylinder 6 and excavate oil cylinder 4, can regulate the job position of cutterhead support 1 and last pick 11 thereof on a large scale, improve operating flexibility.This novel cutting means can not only be finished normal tunnelling, can also operate cutterhead and coal breakage be finished auxiliary charging operation on a large scale, and the coal breakage of machine the place ahead and left and right directions is installed in the conveying mechanism on the shovel board; Laterally cutterhead can be finished circumferential cut and side cut, and in the cut tunnel, the smooth end face and the left and right side in tunnel can not also have danger to exist.
Claims (4)
1. tunneling machine cutting arm assembly, it is characterized in that: cutting arm is made up of big arm (7) and forearm (5), and forearm (5) is contained in big arm (7) front end, adopts between the two to be articulated and connected; The tail end and the frame (12) of big arm (7) are hinged, and the middle part of big arm (7) is hinged with the piston rod end of big arm oil cylinder (8), and the cylinder body tail end and the frame (12) of big arm oil cylinder (8) are hinged; Between the middle part of big arm (7) and forearm (5) forearm oil cylinder (6) is set; forearm (5) front end is connected with cutterhead support (1); left cutterhead (9), right cutterhead (10) are set on the cutterhead support (1); left cutterhead (9), right cutterhead (10) are hub-like; its rotating shaft is parallel with the gyroaxis core of above-mentioned jointed shaft, arranges pick (11) on the side face of left cutterhead (9), right cutterhead (10) and the lateral surface.
2. tunneling machine cutting arm assembly according to claim 1 is characterized in that: described big arm oil cylinder (8), forearm oil cylinder (6) lay respectively at the below of big arm (7) and forearm (5).
3. tunneling machine cutting arm assembly according to claim 1 and 2, it is characterized in that: the stage casing of the lower end of rocking bar (3) and forearm (5) is articulated and connected, the rear end of the upper end of rocking bar (3) and connecting rod (2) is hinged, the front end of connecting rod (2) and cutterhead support (1) are hinged, hinged forearm (5) front end that is contained in of cutterhead (1), by the quadric chain that cutterhead support (1), connecting rod (2), rocking bar (3), forearm (5) are formed, be provided with between cutterhead support (1) and the forearm (5) and excavate oil cylinder (4).
4. tunneling machine cutting arm assembly according to claim 1 and 2, it is characterized in that: an end of described excavation oil cylinder (4) is hinged on the forearm (5), the other end is hinged on the jointed shaft of rocking bar (3) and connecting rod (2), excavates oil cylinder (4) and is positioned at forearm (5) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201802216U CN201521297U (en) | 2009-10-30 | 2009-10-30 | Cutting arm device of road header |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201802216U CN201521297U (en) | 2009-10-30 | 2009-10-30 | Cutting arm device of road header |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201521297U true CN201521297U (en) | 2010-07-07 |
Family
ID=42507474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201802216U Expired - Lifetime CN201521297U (en) | 2009-10-30 | 2009-10-30 | Cutting arm device of road header |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201521297U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101890384A (en) * | 2010-07-09 | 2010-11-24 | 太原理工大学 | Coal breaker for underground coal transfer conveyor |
| CN103485775A (en) * | 2013-09-05 | 2014-01-01 | 中传重型装备有限公司 | Novel continuous coal miner |
| WO2015058467A1 (en) * | 2013-10-21 | 2015-04-30 | 刘素华 | Method of loading material by curved auxiliary rocker arm on mining machine, and mining machine having curved auxiliary rocker arm capable of loading material for implementing said method |
| CN104806261A (en) * | 2015-05-04 | 2015-07-29 | 宁波市恒通液压科技有限公司 | Milling and excavating head of milling and excavating machine |
| CN107605479A (en) * | 2017-10-23 | 2018-01-19 | 连云港天明装备有限公司 | Underground coal mine groover grooving apparatus |
| CN110331988A (en) * | 2018-12-10 | 2019-10-15 | 贵州大学 | A kind of row's coal formula coal mine digging development machine being convenient for changing drill bit |
| CN110500109A (en) * | 2019-08-14 | 2019-11-26 | 上海科煤机电设备制造有限公司 | A kind of horizontal axis milling digging head with rotation function |
| CN113700478A (en) * | 2021-09-23 | 2021-11-26 | 陕西竹园嘉原矿业有限公司 | Tunneling device for mining machinery |
-
2009
- 2009-10-30 CN CN2009201802216U patent/CN201521297U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101890384A (en) * | 2010-07-09 | 2010-11-24 | 太原理工大学 | Coal breaker for underground coal transfer conveyor |
| CN103485775A (en) * | 2013-09-05 | 2014-01-01 | 中传重型装备有限公司 | Novel continuous coal miner |
| WO2015058467A1 (en) * | 2013-10-21 | 2015-04-30 | 刘素华 | Method of loading material by curved auxiliary rocker arm on mining machine, and mining machine having curved auxiliary rocker arm capable of loading material for implementing said method |
| EA031010B1 (en) * | 2013-10-21 | 2018-10-31 | Сухуа Лю | Method of loading material by curved auxiliary rocker arm on mining machine, and mining machine having curved auxiliary rocker arm capable of loading material for implementing said method |
| CN104806261A (en) * | 2015-05-04 | 2015-07-29 | 宁波市恒通液压科技有限公司 | Milling and excavating head of milling and excavating machine |
| CN107605479A (en) * | 2017-10-23 | 2018-01-19 | 连云港天明装备有限公司 | Underground coal mine groover grooving apparatus |
| CN110331988A (en) * | 2018-12-10 | 2019-10-15 | 贵州大学 | A kind of row's coal formula coal mine digging development machine being convenient for changing drill bit |
| CN110500109A (en) * | 2019-08-14 | 2019-11-26 | 上海科煤机电设备制造有限公司 | A kind of horizontal axis milling digging head with rotation function |
| CN113700478A (en) * | 2021-09-23 | 2021-11-26 | 陕西竹园嘉原矿业有限公司 | Tunneling device for mining machinery |
| CN113700478B (en) * | 2021-09-23 | 2023-09-01 | 陕西竹园嘉原矿业有限公司 | Tunneling device for mining machinery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100707 |
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| CX01 | Expiry of patent term |