CN102748022B - Tunneler and shovel board device thereof - Google Patents
Tunneler and shovel board device thereof Download PDFInfo
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- CN102748022B CN102748022B CN201210249706.2A CN201210249706A CN102748022B CN 102748022 B CN102748022 B CN 102748022B CN 201210249706 A CN201210249706 A CN 201210249706A CN 102748022 B CN102748022 B CN 102748022B
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- heading machine
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- 238000002360 preparation method Methods 0.000 claims 1
- 230000000903 blocking effect Effects 0.000 abstract 3
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Excavating Of Shafts Or Tunnels (AREA)
- Shovels (AREA)
Abstract
The invention relates to a tunneler, and discloses the tunneler and a shovel board device thereof. The shovel board device comprises a shovel board body and a protecting board assembly disposed on the shovel board body. The protecting board assembly is used for protecting a driven sprocket wheel. The protecting board assembly is connected to the shovel board body through a telescopic assembly. The telescopic assembly is used for adjusting distance between the protecting board assembly and the driven sprocket wheel. When blocking occurs at the driven sprocket wheel, the distance between the protecting board assembly and the driven sprocket wheel is adjusted by the protecting board assembly through the telescopic assembly, so that material causing the blocking can be scrapped off with a scrapper chain assembly on the driven sprocket wheel and the problem that blocking easily occurs between the protecting board assembly and the driven sprocket wheel is solved effectively.
Description
Technical Field
The invention relates to a heading machine, in particular to a heading machine and a shovel plate device thereof.
Background
At present, the material receiving device of the shovel plate part device of the development machine mostly adopts a star wheel driving device or a crab claw device which pushes the collected materials to a chute in the middle of the shovel plate and then transports the materials to a subsequent conveying mechanism through a scraper chain component. Due to the influence of the structure and the working condition, the chain clamping phenomenon often occurs between the driven chain wheel and the guard plate in the operation process of the scraper chain, and the guard plate at the front end of the driven chain wheel and the shovel plate body are of a welding structure, so that the chain clamping phenomenon is difficult to remove once occurring, the working efficiency of equipment is influenced, and the great difficulty is brought to maintenance.
Therefore, how to improve the existing heading machine so as to solve the problem that the existing heading machine often has a chain jamming between the driven sprocket and the guard plate is a technical problem to be solved urgently by the technical staff in the field.
Disclosure of Invention
In view of the above, the present invention is directed to a heading machine and a blade portion device thereof, so as to solve the problem that a chain is often jammed at a driven sprocket of the heading machine in the prior art.
In one aspect, the invention provides a shovel plate device of a heading machine, which comprises a shovel plate body and a guard plate assembly arranged on the shovel plate body and used for protecting a driven chain wheel; the guard plate assembly is connected to the shovel plate body through a telescopic assembly, and the telescopic assembly adjusts the distance between the guard plate assembly and the driven chain wheel.
Further, the retraction assembly comprises:
an elastic component arranged on the shovel plate body, wherein,
the elastic component is connected to the guard plate component.
Further, the elastic assembly includes:
a spring;
a spring seat, the spring mounted within the spring seat;
the piston rod is arranged in the spring seat, and a connecting end is reserved; wherein,
the spring seat is arranged on the shovel plate body, and the connecting end of the piston rod is connected to the guard plate assembly.
Further, the apron assembly includes:
the telescopic sliding block is movably arranged on the shovel plate body;
the arc-shaped plate is connected with the telescopic sliding block; wherein,
the telescopic sliding block is connected with the connecting end of the piston rod; the arc-shaped plate is used for protecting the driven chain wheel.
Furthermore, a supporting plate is arranged at one side part of the telescopic sliding block connected with the piston rod;
the supporting plate is provided with a groove for mounting a spring seat.
Further, the retraction assembly further comprises:
the limiting assembly is arranged on the shovel plate body and used for limiting the movement range of the guard plate assembly; wherein,
the telescopic sliding block is connected with the arc-shaped plate through an upper connecting plate and a lower connecting plate;
the limiting assembly comprises stop blocks fixed on two sides of the shovel plate body and extending into the space between the telescopic sliding block and the arc-shaped plate.
Further, the guard plate assembly is a baffle plate; one side edge of the baffle is hinged on the shovel plate body.
Further, the retraction assembly comprises:
a hydraulic drive device fixed on the shovel plate body, wherein,
and a hydraulic rod of the hydraulic driving device is connected to the guard plate assembly.
Further, the retraction assembly comprises:
a pneumatic driving device fixed on the shovel plate body, wherein,
and the air pressure rod of the air pressure driving device is connected to the guard plate assembly.
On the other hand, the invention also provides a heading machine which is provided with the shovel plate part device.
The invention provides a shovel plate part device of a tunneling machine, which comprises a shovel plate body and a guard plate assembly, wherein the guard plate assembly is arranged on the shovel plate body and used for protecting a driven chain wheel; the guard plate assembly is connected to the shovel plate body through a telescopic assembly, and the telescopic assembly adjusts the distance between the guard plate assembly and the driven chain wheel. The backplate subassembly is connected through flexible subassembly on the shovel board body, makes the distance between backplate subassembly and the driven sprocket adjustable, can effectively solve the flexible subassembly of driven sprocket adjust the backplate subassembly with distance between the driven sprocket. During specific work, when the clamping chain appears in driven sprocket department, the backplate subassembly can adjust its and the driven sprocket distance between through flexible subassembly, makes the material of clamping chain fall along with the last scraper chain subassembly that scrapes of driven sprocket, effectively solves the problem of easy clamping chain between backplate subassembly and the driven sprocket.
Drawings
Fig. 1 is a schematic cross-sectional view of a partial structure of a heading machine according to an embodiment of the present invention;
fig. 2 is a schematic top view of a front end of a shovel plate part device of a heading machine according to a first embodiment of the invention;
fig. 3 is a schematic structural diagram of an inner protection plate assembly of the shovel portion device according to an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of an inner shroud assembly of the blade portion apparatus according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an elastic component in a blade unit according to an embodiment of the present invention.
Description of reference numerals: 1. a blade body; 1a, an accommodating chamber; 1b, a supporting platform; 2. a driven sprocket; 3. a fender assembly; 31. a telescopic slide block; 32. an arc-shaped plate; 33. a support plate; 33a, a slot position; 34. an upper connecting plate; 35. a lower connecting plate; 4. an upper pressure plate; 5. an elastic component; 51. a piston rod; 52. a spring seat; 53. a spring; 54. a felt ring; 55. a gasket; 56. a bolt; 56. an O-shaped ring; 6. a stopper; 7. a scraper chain; 8. a right drive device; 9. a left drive device; 10. a chute.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments. It should be noted that the description and sequence of descriptions of specific structures in this section are merely illustrative of specific embodiments and should not be construed as limiting the scope of the invention in any way.
As shown in fig. 1, a first embodiment of the present invention provides a shovel plate device of a heading machine and a connection relationship between the shovel plate device and other components in the heading machine, and the shovel plate device of the heading machine includes a shovel plate body 1 and a guard plate assembly 3 arranged on the shovel plate body 1 for protecting a driven sprocket 2; backplate subassembly 3 is connected on shovel board body 1 through flexible subassembly, flexible subassembly adjust backplate subassembly 3 with distance between the driven sprocket 2.
It should be noted that the telescopic assembly can be a device which is commonly used in the existing mechanical field and can be used for adjusting the distance between the guard plate assembly 3 and the driven chain wheel 2; the simplest mode can be that a connecting spring is used, one end of the spring is connected to the guard plate component 3, and the other end of the spring is fixed on the shovel plate body 1; and the top of the guard plate assembly 3 is hinged to the shovel plate body 1 through a hinge component. So as to realize the adjustment of the distance between the guard board component 3 and the driven chain wheel 2.
In addition, as shown in fig. 1 and fig. 2, an accommodating chamber 1a for accommodating the telescopic assembly is arranged on the shovel plate body 1, and a supporting platform 1b for the telescopic assembly to move is arranged in the accommodating chamber 1 a; still be provided with on the shovel body 1 and cover flexible subassembly with the top board of backplate subassembly 3 through set up top board 4 on the shovel body of flexible subassembly and backplate subassembly 3 upside, can effectively reduce the phenomenon that chute 10 leaked the material between backplate subassembly 3 and driven sprocket 2 when the fortune material. And through set up the accommodation chamber 1a of the flexible subassembly of installation of being convenient for on shovel board body 1, reduce the space that flexible subassembly occupy, make whole equipment compacter, shovel board portion device overall structure can not have too many changes, reduce cost, the practicality is strong.
Preferably, the telescopic assembly comprises: and the elastic assembly 5 is arranged on the shovel plate body and provided with a piston rod 51, wherein the piston rod 51 of the elastic assembly 5 is connected to the guard plate assembly 3. The elastic component 5 is a device with a telescopic function, and the piston rod 51 is a connecting rod for connecting the elastic part of the elastic component and the guard plate component 3, and is not limited to a piston rod, and may be other connecting rods as long as the elastic component 5 can be conveniently stretched.
As shown in fig. 1 and 5, the elastic member 5 includes: a spring 53; a spring seat 52, a spring 53 mounted in the spring seat 52; a piston rod 51, the piston rod 51 is inserted in a spring 53 in the spring seat 52 and a connecting end is reserved; the spring seat 52 is arranged on the shovel plate body 1, and the connecting end of the piston rod 51 is connected to the guard plate assembly 3. The piston rod 51 is arranged in the spring seat 52, the piston rod 51 passes through the spring 53 and the spring seat 52, the washer 55 is combined on the piston rod 51 through the bolt 56, and the felt ring 54 and the O-shaped ring 57 are respectively sleeved on the piston rod. One end of the piston rod 51 is connected with the guard plate assembly 3, after the guard plate assembly 3 is pressed, the guard plate assembly 3 pushes the piston rod 51 to move towards the front part of the shovel plate and compresses the spring 53, and the piston rod 51 can stably move towards one direction through the spring seat 52; the other end of the piston rod 51 is provided with a washer 55 and a bolt 56 to prevent the piston rod 51 from returning to an over-limit position and ensure that the movement of the piston rod 51 is within a predetermined range. In addition, by installing the felt ring 54 and the O-ring 57 in the spring seat 52, the piston rod 51 is moved more smoothly.
Elastic component 5 overall structure is compact, is convenient for install on shovel board body 1, and simple structure can realize stretching out and drawing back by oneself when the card chain appears at 2 front ends of driven sprocket, increases the interval between backplate subassembly 3 and the driven sprocket 2, prevents the phenomenon of card chain.
Preferably, as shown in fig. 1, 3 and 4, the sheathing assembly 3 includes: a telescopic slide block 31 movably arranged on the shovel plate body 1; an arc plate 32 provided on the telescopic slider 31; wherein, the telescopic slide block 31 is connected with the connecting end of the piston rod 51; the arc-shaped plates 32 are used for protecting the driven sprocket 2 and the scraper chain 7 thereon.
The telescopic slide block 31 can slide along with the extension of the piston rod 51 and drives the arc plate 32 to move in a telescopic way, the arc plate 32 can play a good protection role, and the arc structure is more suitable for protecting the driven chain wheel 2 and the scraper chain 7.
As shown in fig. 1, 3 and 4, a supporting plate 33 is provided at a portion of the telescopic slider 31 on one side connected to the piston rod 51; the retainer plate 33 is provided with a groove 33a to which the spring seat 52 is mounted. The supporting plate 33 is arranged on the telescopic sliding block 31, and the slot position for installing the spring seat 52 is arranged on the supporting plate 33, so that the guard plate component 3 and the elastic component 5 can be installed more compactly, the slot position 33a can play a certain role in protecting the elastic component 5, and the service life of the whole equipment is prolonged; in addition, the number of the slot positions 33a is not limited, and the plate blocks forming the slot positions 33a can play a role of reinforcing ribs, so that the occupied space of an improved part is reduced.
Preferably, the telescopic assembly further comprises: and the limiting assembly is arranged on the shovel plate body 1 and is used for limiting the movement range of the guard plate assembly 3. The limiting component is used for limiting, so that the guard plate component 3 is prevented from being damaged due to the fact that the guard plate component is over-limited during movement. The telescopic device can realize the telescopic function through the matching of the tensioning device and the limiting assembly; one side of the guard plate component is provided with a tensioning device (such as a spring), and the other side of the guard plate is provided with a limiting component (such as a stop block) so as to realize larger regulation of the telescopic pressure of the guard plate component 3.
As shown in fig. 1, 2 and 4, the telescopic slider 31 is connected with the arc plate 32 through an upper connecting plate 34 and a lower connecting plate 35, so that a spacing space with a certain spacing distance is formed between the telescopic slider 31 and the arc plate 32; the limiting assembly comprises stop blocks 6 which are fixed on two sides of the shovel plate body 1 and extend into the space between the telescopic sliding block 31 and the arc-shaped plate 32. The front side (the side close to the scraper chain 7) of the stop block 6 is an arc-shaped plate 32, the rear side is a telescopic slide block 31, and when the guard plate component 3 moves forwards, the stop block 6 can stop the telescopic slide block 31 and limit the guard plate component 3 to move forwards continuously; when backplate subassembly 3 rearward movement, dog 6 can block arc 32 to restriction backplate subassembly 3 continues rearward movement, dog 6 can play fine limiting displacement, improve equipment's practicality to backplate subassembly 3's seesaw.
According to the specific structure of the scraper blade, as shown in fig. 1, a driven chain wheel 2 is installed inside a scraper blade body 1, a scraper chain 7 penetrates through the scraper blade body 1 and winds around the driven chain wheel 2, as shown in fig. 2, a left driving device 9 and a right driving device 8 are respectively installed on the left side and the right side of the upper surface of the scraper blade body 1, and a guard plate assembly 3 is arranged at the front end of the scraper blade body 1 to protect the driven chain wheel 2 and the scraper chain 7; as shown in fig. 1 and 3, the elastic component 5 is disposed in the accommodating chamber 1a of the shovel body 1 and is disposed on the slot 33a of the supporting plate 33, the stoppers 6 are disposed on the inner side of the shovel body 1, one on each of the left and right, and as shown in fig. 1 and 2, the upper pressing plate 4 is fitted over the shovel body 1 and the guard plate component 3.
As shown in fig. 1 and 2, left and right driving devices 9, 8 are provided as blade receiving devices on left and right sides of the surface of the blade; the driven chain wheel 2 is arranged at the front end of the shovel plate, and the scraper chain 7 bypasses the driven chain wheel 2 to transport materials collected by the shovel plate. Secondly, elastic component 5 is placed between shovel board body 1 and backplate subassembly 3, is equipped with spacing subassembly above shovel board body 1 simultaneously, ensures that elastic component 5 has certain tensile force. Finally, an upper pressing plate 4 is arranged above the shovel plate body 1 and the guard plate assembly 3 and used for fixing the guard plate assembly 3.
In addition, the plate protection group 3 component is a baffle; one side edge of the baffle is hinged on the shovel plate body 1. The baffle can be an arc baffle or a plane baffle, the top of the baffle is hinged on the shovel plate body 1 and used for protecting the driven chain wheel 2, and then the baffle is adjusted to rotate around the hinged part through the telescopic assembly; the flap rotates about the hinge point to effect a change in the distance between the flap and the driven sprocket 2.
In a second embodiment, the telescopic assembly of the blade unit of the heading machine may further include: and the hydraulic driving device is fixed on the shovel plate body 1, wherein a hydraulic rod of the hydraulic driving device is connected to the guard plate assembly 3. When the hydraulic driving device is used, the distance between the fender assembly 3 and the driven sprocket 2 needs to be adjusted by manually controlling the extension and contraction of the hydraulic driving device.
The specific structure of the second embodiment can use a hydraulic driving device to replace the elastic assembly in the first embodiment to realize the adjustment of the position of the guard plate assembly, and the hydraulic driving device can use the existing common hydraulic driving device, and the structures of other parts are similar to the above embodiments; the specific implementation process is similar to that of the above embodiments, and is not repeated herein.
In a third embodiment, a retraction assembly for a blade unit of a heading machine includes: and the pneumatic driving device is fixed on the shovel plate body 1, wherein a pneumatic rod of the pneumatic driving device is connected to the guard plate component 3. When the pneumatic driving device is used, the distance between the guard plate assembly 3 and the driven sprocket 2 needs to be adjusted by manually controlling the extension and contraction of the pneumatic driving device.
The specific structure of the third embodiment can replace the elastic component in the first embodiment with a pneumatic driving device to realize the adjustment of the position of the guard plate component, and the pneumatic driving device can use the existing common pneumatic driving device; the specific implementation process is similar to that of the above embodiments, and is not repeated herein.
The embodiment of the invention also provides the heading machine which is provided with the shovel plate part device. Since the shovel part device has the technical effects, the heading machine provided with the shovel part device also has the corresponding technical effects, and the structures of other components are similar to those of the embodiment; the specific implementation process is similar to that of the above embodiments, and is not repeated herein.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. A shovel plate part device of a heading machine comprises a shovel plate body (1) and a guard plate assembly (3) which is arranged on the shovel plate body (1) and used for protecting a driven chain wheel (2); it is characterized in that the preparation method is characterized in that,
the guard plate assembly (3) is connected to the shovel plate body (1) through a telescopic assembly, and the telescopic assembly adjusts the distance between the guard plate assembly (3) and the driven chain wheel (2);
an accommodating chamber (1a) for accommodating the telescopic assembly is arranged on the shovel plate body (1); wherein, the telescopic component includes:
an elastic component (5) arranged on the shovel plate body, wherein,
the elastic component (5) is connected to the guard plate component (3); the elastic assembly (5) comprises:
a spring (53);
a spring seat (52), the spring (53) mounted within the spring seat (52);
a piston rod (51) arranged in the spring (53) in the spring seat (52) and provided with a connecting end; wherein,
the spring seat (52) is arranged on the shovel plate body (1), and the connecting end of the piston rod (51) is connected to the guard plate assembly (3).
2. The blade section device of a heading machine according to claim 1, wherein: the apron assembly (3) comprises:
a telescopic sliding block (31) movably arranged on the shovel plate body (1);
an arc-shaped plate (32) connected with the telescopic sliding block (31); wherein,
the telescopic sliding block (31) is connected with the connecting end of the piston rod (51); the arc-shaped plate (32) is used for protecting the driven chain wheel (2).
3. The blade section device of a heading machine according to claim 2, wherein: a supporting plate (33) is arranged at one side part of the telescopic sliding block (31) connected with the piston rod (51);
the supporting plate (33) is provided with a groove position (33a) for installing a spring seat (52).
4. The blade section device of a heading machine according to claim 2 or 3, wherein: the telescoping assembly further comprises:
the limiting assembly is arranged on the shovel plate body (1) and used for limiting the movement range of the guard plate assembly (3); wherein,
the telescopic sliding block (31) is connected with the arc-shaped plate (32) through an upper connecting plate (34) and a lower connecting plate (35);
the limiting assembly comprises stop blocks (6) which are fixed on two sides of the shovel plate body (1) and extend into the space between the telescopic sliding block (31) and the arc-shaped plate (32).
5. The blade section device of a heading machine according to claim 1, wherein: the guard plate component (3) is a baffle plate;
one side edge of the baffle is hinged on the shovel plate body (1).
6. The blade section device of a heading machine according to claim 1, wherein: the telescoping assembly further comprises:
a hydraulic driving device fixed on the shovel board body (1), wherein,
and a hydraulic rod of the hydraulic driving device is connected to the guard plate assembly (3).
7. The blade section device of a heading machine according to claim 1, wherein: the telescoping assembly further comprises:
a pneumatic driving device fixed on the shovel board body (1), wherein,
and a pneumatic rod of the pneumatic driving device is connected to the guard plate assembly (3).
8. A heading machine, characterized in that it is provided with a blade section arrangement as claimed in any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210249706.2A CN102748022B (en) | 2012-07-18 | 2012-07-18 | Tunneler and shovel board device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210249706.2A CN102748022B (en) | 2012-07-18 | 2012-07-18 | Tunneler and shovel board device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102748022A CN102748022A (en) | 2012-10-24 |
| CN102748022B true CN102748022B (en) | 2015-04-22 |
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ID=47028476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210249706.2A Active CN102748022B (en) | 2012-07-18 | 2012-07-18 | Tunneler and shovel board device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102748022B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016005B (en) * | 2012-12-11 | 2015-07-08 | 三一重型装备有限公司 | Driven wheel device and roadheader shovel plate part structure with same |
| CN103291297B (en) * | 2013-05-16 | 2016-05-25 | 三一重型装备有限公司 | A kind of drill loader and shipping unit thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3434365A1 (en) * | 1984-09-19 | 1986-03-20 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Device for preventing a collision between cutting arm and loading shovel in a continuous miner |
| CN201013379Y (en) * | 2007-03-30 | 2008-01-30 | 三一重型装备有限公司 | Crab jaw type spade board |
| CN201288565Y (en) * | 2008-10-31 | 2009-08-12 | 平顶山市利安大机电设备有限公司 | Blade for cantilevered type digging machine |
| CN201771505U (en) * | 2010-07-28 | 2011-03-23 | 三一重型装备有限公司 | Shoveling board part device of tunneller |
| CN202300399U (en) * | 2011-09-26 | 2012-07-04 | 三一重型装备有限公司 | Shipping mechanism and continuous miner |
| CN202767979U (en) * | 2012-07-18 | 2013-03-06 | 三一重型装备有限公司 | Heading machine and shovel plate portion device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB783415A (en) * | 1953-09-05 | 1957-09-25 | Massey Harris Ferguson Ltd | Improvements relating to disc drills for seeding or fertilizing machines |
-
2012
- 2012-07-18 CN CN201210249706.2A patent/CN102748022B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3434365A1 (en) * | 1984-09-19 | 1986-03-20 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Device for preventing a collision between cutting arm and loading shovel in a continuous miner |
| CN201013379Y (en) * | 2007-03-30 | 2008-01-30 | 三一重型装备有限公司 | Crab jaw type spade board |
| CN201288565Y (en) * | 2008-10-31 | 2009-08-12 | 平顶山市利安大机电设备有限公司 | Blade for cantilevered type digging machine |
| CN201771505U (en) * | 2010-07-28 | 2011-03-23 | 三一重型装备有限公司 | Shoveling board part device of tunneller |
| CN202300399U (en) * | 2011-09-26 | 2012-07-04 | 三一重型装备有限公司 | Shipping mechanism and continuous miner |
| CN202767979U (en) * | 2012-07-18 | 2013-03-06 | 三一重型装备有限公司 | Heading machine and shovel plate portion device |
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| CN102748022A (en) | 2012-10-24 |
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