CN216665619U - Drill frame turnover mechanism and heading machine - Google Patents
Drill frame turnover mechanism and heading machine Download PDFInfo
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- CN216665619U CN216665619U CN202122262818.9U CN202122262818U CN216665619U CN 216665619 U CN216665619 U CN 216665619U CN 202122262818 U CN202122262818 U CN 202122262818U CN 216665619 U CN216665619 U CN 216665619U
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Abstract
The utility model provides a drill frame turnover mechanism and a heading machine, belonging to the technical field of coal mine roadway support, and the drill frame turnover mechanism provided by the utility model comprises: a bearing platform; the drilling frame bearing seat is used for bearing a drilling frame and is rotationally connected with the side surface of the bearing platform; the driving end of the first driving mechanism is connected with the drill frame bearing seat, and the first driving mechanism is used for driving the drill frame bearing seat to rotate relative to the bearing platform. The bottom of the drill frame on the drill frame bearing seat is lower than the surface of the bearing platform in a working state, the height of the drill frame is reduced, and the installation and operation space of the anchor rod is increased. In the non-working state, the drilling rig can lie down through rotating, so that the height of the drilling rig in the non-working state is reduced, and the drilling rig is prevented from colliding with the top hole body when moving. The drill frame fixing seat is attached to the drill frame platform, so that damage to a drill frame system caused by vibration during cutting is avoided, and the service life of the drill frame is prolonged.
Description
Technical Field
The utility model relates to the technical field of coal mine roadway support, and particularly belongs to a drill frame turnover mechanism and a heading machine.
Background
Most of the traditional anchor bolt support work needs manual work in the process of tunneling a roadway, the automation degree is low, and the work efficiency is low.
The drill frame is an advanced device for realizing automatic anchor rod support in a coal rock roadway, and can realize various compound motions of sliding, rotating, lifting and the like of the drill frame through automatic control in the anchor rod support process, so that the aims of quickly positioning a drill rod and accurately and quickly driving an anchor rod are fulfilled. The appearance of the drill frame greatly reduces the labor intensity of workers and improves the working efficiency of anchor rod support.
However, the height of the coal rock roadway is limited, the installation and operation space of the anchor rod is not enough, and the drill frame is inconvenient to use.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a drill frame turnover mechanism and a heading machine, which are used for increasing the installation and operation space of an anchor rod and are convenient for using a drill frame.
In order to achieve the above purpose, the utility model provides the following technical scheme:
a drill rig tilting mechanism comprising:
a bearing table;
the drilling frame bearing seat is used for bearing a drilling frame and is rotationally connected with the side surface of the bearing platform;
the driving end of the first driving mechanism is connected with the drill frame bearing seat, and the first driving mechanism is used for driving the drill frame bearing seat to rotate relative to the bearing platform.
The drill frame turnover mechanism further comprises a platform, a supporting platform and a first guide mechanism, wherein the platform is in sliding connection with the supporting platform through the first guide mechanism, and the bearing platform is fixed on the platform.
The drill frame bearing seat is provided with a second driving mechanism, and the second driving mechanism is used for enabling the drill frame and the drill frame bearing seat to move relatively;
the second driving mechanism is used for outputting driving force along the length direction of the drill frame or driving force along the radial direction of the drill frame.
The first driving mechanism can at least drive the drill stand bearing seat to a first position state and a second position state, the drill stand on the drill stand bearing seat in the first position state is in a working state, the drill stand on the drill stand bearing seat in the second position state is in a non-working state, and the top end of the drill stand in the non-working state is lower than the top end of the drill stand in the working state.
The drill frame on the drill frame bearing seat in the first position state is positioned on the side surface of the bearing platform;
and the drill frame on the drill frame bearing seat in the second position state is positioned on the upper side of the bearing platform.
The drilling frame turnover mechanism further comprises at least one lifting oil cylinder, the body of the lifting oil cylinder is fixed with the drilling frame bearing seat, and the working end of the lifting oil cylinder is right opposite to the ground.
The drill stand bearing seat is provided with a second guide mechanism, a second driving device and a drill stand fixing seat for connecting a drill stand, the second guide mechanism comprises a transverse moving guide rail and at least one transverse moving slide block, and the transverse moving slide block is connected with the transverse moving guide rail in a matching way;
the transverse moving guide rail is fixed on the drill stand bearing seat, the drill stand fixing seat is fixed on the transverse moving sliding block, the body of the second driving device is connected with the drill stand bearing seat, the driving end of the second driving device is connected with the drill stand fixing seat, and the driving direction of the second driving device is the same as the guiding direction of the transverse moving guide rail.
The drilling rig comprises a drilling rig fixing seat, a transverse moving slide block, a rotary bearing, a third driving device and a third driving device, wherein the rotary bearing and the third driving device are arranged between the drilling rig fixing seat and the transverse moving slide block, the drilling rig fixing seat is rotatably connected with the transverse moving slide block through the rotary bearing, a body of the third driving device is connected with the transverse moving slide block, a driving end of the transverse moving slide block is connected with the drilling rig fixing seat, and the third driving device is used for driving the drilling rig fixing seat to rotate along the rotary bearing.
The axis direction of the rotating shaft of the drill stand bearing seat is vertical to the guiding direction of the first guiding mechanism;
the first driving mechanism comprises a linear power mechanism and a hinge seat, the hinge seat is arranged between the drill stand bearing seat and the bearing platform, the drill stand bearing seat is fixedly connected with the hinge seat, and one end of the hinge seat is rotatably connected to the side surface of the bearing platform;
the other end of the hinge seat is rotatably connected with the working end of the linear power mechanism, and the body of the linear power mechanism is rotatably connected with the bottom of the bearing table;
the supporting platform is provided with two sliding tracks, and the first guide mechanism is a sliding rail and a sliding block which are matched with each other;
two the track that slides is located the plummer both sides, every the track that slides passes through respectively slide rail and slider with plummer one side sliding connection.
Compared with the prior art, the drill stand overturning mechanism provided by the utility model has the advantages that the drill stand bearing seat is rotationally connected with the side surface of the bearing platform, and the drill stand bearing seat is driven to rotate relative to the bearing platform through the first driving mechanism. The bottom of the drill frame fixed on the drill frame bearing seat is lower than the surface of the bearing platform in a working state, the height of the drill frame is reduced, and the installation and operation space of the anchor rod is increased. In the non-working state, the drilling rig can lie down through rotating, so that the height of the drilling rig in the non-working state is reduced, and the drilling rig is prevented from colliding with the top hole body when moving.
The utility model also provides a heading machine which comprises the drill frame turnover mechanism.
Compared with the prior art, the beneficial effects of the heading machine provided by the utility model are the same as those of the drill frame turnover mechanism in the technical scheme, and the detailed description is omitted here.
Drawings
FIG. 1 is a front view of the turnover mechanism of the drilling rig according to the present invention;
FIG. 2 is an enlarged schematic view of the drill stand of FIG. 1 at a working state;
FIG. 3 is an enlarged schematic view of the boom of FIG. 1 at A in a non-operating state;
FIG. 4 is a top view of the turnover mechanism of the drill frame of the present invention;
FIG. 5 is a left side view of the turnover mechanism of the drilling rig according to the present invention;
FIG. 6 is a schematic perspective view of the turnover mechanism of the drilling rig according to the present invention;
FIG. 7 is a schematic view of the connection between the drill carriage support and the drill carriage fixing seat in the turnover mechanism of the drill carriage according to the present invention;
fig. 8 is a schematic structural view of the heading machine of the present invention.
1. A support platform; 2. a platform; 3. a linear power mechanism; 4. a bearing table; 41. a hinged seat; 5. a drilling frame; 51. a jacking oil cylinder; 52. an anchor rod; 6. a drill stand bearing seat; 61. a drill stand fixing seat; 62. a second drive mechanism; 63. a second guide mechanism; 64. a second driving device; 7. lifting the oil cylinder; 8. a third driving device; 9. and a slewing bearing.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
The present invention will now be described in further detail with reference to specific examples, which are intended to be illustrative, but not limiting, of the utility model.
Referring to fig. 1, fig. 2, fig. 3 and fig. 4, there is shown an overall structure diagram of the drill stand turning mechanism of the present invention, which includes a bearing platform 4, a drill stand bearing seat 6 and a first driving mechanism, wherein:
the bearing platform 4 mainly plays a role in bearing the drill frame bearing seat 6, and the bearing platform 4 can be directly connected with the heading machine body.
Of course, the bearing platform 4 may also be slidably connected to the heading machine body. In an example, the drill rig turnover mechanism further comprises a platform 2, a supporting platform 1 and a first guide mechanism, wherein the supporting platform 1 is mainly used for providing supporting force, and the supporting platform 1 is fixedly connected with the heading machine body, as shown in fig. 8. The support platform 1 may be a separate body, and the support platform 1 may also be part of the body of the heading machine.
The platform 2 is connected with the supporting platform 1 in a sliding mode through the first guide mechanism. First guiding mechanism sets up between platform 2 and supporting platform 1, and platform 2 can be along supporting platform 1 parallel slip under first guiding mechanism's direction, and platform 2 drives plummer 4 back-and-forth movement. Wherein, first guiding mechanism is for mutually supporting slide rail and slider. For example, the support platform 1 is two sliding tracks, and the sliding tracks are used for supporting and guiding. Two the track that slides is located 2 both sides of platform, every the track that slides passes through respectively slide rail and slider with 2 one side sliding connection of platform. The first guide mechanism may also be a guide post mechanism. When the first guide mechanism works, the internal principle of the first guide mechanism can be a rolling friction mode or a sliding friction mode.
The drilling frame bearing seat 6 is used for bearing the drilling frame 5, and the drilling frame bearing seat 6 is rotatably connected with the side face of the bearing platform 4. Along the length direction of the drilling frame 5, the connection mode of the drilling frame 5 and the drilling frame bearing seat 6 is relatively fixed connection or movable connection. The rotation angle of the drill frame bearing seat 6 can be controlled within the range of 0-100 degrees of overturning stroke. The purpose of greater than 90 degrees is, among other things, that the position of the anchor rod 52 can be adjusted by fine adjustment of the angle of the drill carriage 6 when the anchor rod 52 is out of alignment. When the anchor rod 52 fixing position slightly deviates from the position of the drill frame 5, the accuracy of the anchor rod position can be met by properly adjusting the drill frame bearing seat 6.
When the connection mode of the drill frame 5 and the drill frame bearing seat 6 along the length direction of the drill frame 5 is relatively fixed connection.
When the drill stand carrier 6 is turned over so that the drill stand 5 is laid flat, as shown in fig. 1, the operator inserts the anchor rod 52 into the drill stand 5 from the carrier 4 in the transverse direction, and the drill stand 5 is turned over in the reverse direction so that the drill stand 5 is in the vertical state. Because the drill stand bearing seat 6 is rotatably connected to the side surface of the bearing platform 4, when the drill stand 5 is in a vertical state, the drill stand 5 is positioned on the side surface of the bearing platform 4, and the bottom of the drill stand 5 can be lower than the upper surface of the bearing platform 4. Eventually increasing the installation space of the anchor bar 52.
When the connection mode of the drill frame 5 and the drill frame bearing seat 6 is movable connection along the length direction of the drill frame 5.
The drill frame bearing seat 6 is provided with a second driving mechanism 62, and the second driving mechanism 62 is used for enabling the drill frame 5 and the drill frame bearing seat 6 to move relatively; the second driving mechanism 62 is used for outputting a driving force in a length direction of the drilling rig 5 or a driving force in a radial direction of the drilling rig 5. In this example, the boom 5 is movable up and down along its length on the boom carrier 6 due to the addition of the second drive mechanism 62. Fig. 2 is a schematic view of the drill stand carrier 6 in an operating state, as shown in fig. 2. The boom 5 can be raised or lowered by the second driving mechanism 62. When it is desired to install the anchor bar 52 to the drill frame 5, the height of the drill frame 5 can be lowered by the second drive mechanism 62, leaving installation space for the anchor bar 52. The second driving mechanism 62 may be a cylinder, one end of which is fixedly connected to the carriage 6 and the other end of which is fixedly connected to the drilling carriage 5. When the oil cylinder stretches, the stretching end of the oil cylinder drives the drill frame 5 to move along the stretching direction of the oil cylinder. Preferably, the carriage 6 is also provided with guiding means which guide the movement of the drilling carriage 5. So that the drilling rig 5 can be stably lifted or lowered. The second drive mechanism 62 may now be a relatively low strength motor and ball nut and screw pair combination.
The driving end of the first driving mechanism is connected with the drill frame bearing seat 6, and the first driving mechanism is used for driving the drill frame bearing seat 6 to overturn relative to the bearing platform 4. Preferably, the first driving mechanism can at least drive the drill stand bearing seat 6 to a first position state and a second position state, the drill stand 5 on the drill stand bearing seat 6 in the first position state is in a working state, the drill stand 5 on the drill stand bearing seat 6 in the second position state is in a non-working state, and the top end of the drill stand 5 in the non-working state is lower than the top end of the drill stand 5 in the working state. Preferably, the drill stand 5 on the drill stand carrier 6 in the first position state is located on the side of the carrier 4; the drilling carriage 5 on the drilling carriage 6 in the second position is located on the upper side of the carriage 4.
In one example, the first driving mechanism comprises a linear power mechanism 3 and a hinge seat 41, the hinge seat 41 is arranged between the drill frame bearing seat 6 and the bearing platform 4, the drill frame bearing seat 6 is fixedly connected with the hinge seat 41, and one end of the hinge seat 41 is rotatably connected to the side surface of the bearing platform 4;
the other end of the hinged seat 41 is rotatably connected with the working end of the linear power mechanism 3, and the body of the linear power mechanism 3 is rotatably connected with the bottom of the bearing table 4. The linear power mechanism 3 and the hinge base 41 are used in cooperation, and the linear power of the linear power mechanism 3 is converted into rotary power for driving the drill frame 5 to rotate. In this manner, the generated rotational power is large and stable.
In summary, in the drill turning mechanism provided by the present invention, the drill bearing seat is rotatably connected to the side surface of the bearing platform, and the first driving mechanism drives the drill bearing seat to rotate relative to the bearing platform. The bottom of the drill frame fixed on the drill frame bearing seat is lower than the surface of the bearing platform in a working state, the height of the drill frame is reduced, and the installation and operation space of the anchor rod is increased. In the non-working state, the drilling rig can lie down through rotating, so that the height of the drilling rig in the non-working state is reduced, and the drilling rig is prevented from colliding with the top hole body when moving. The drill frame fixing seat is attached to the drill frame platform, so that the damage to a drill frame system caused by vibration during cutting is avoided, and the service life of the drill frame is prolonged.
Further, referring to fig. 2, fig. 5, fig. 6 and fig. 8, in another embodiment of the turning mechanism for a drill stand of the present invention, the turning mechanism for a drill stand further includes at least one lift cylinder 7, a body of the lift cylinder 7 is fixed to the support base 6 for the drill stand, and a working end of the lift cylinder 7 faces the ground.
In the above embodiment, the lifting cylinder 7 is turned over with the drilling rig, and the lifting direction of the lifting cylinder 7 is the same as the length direction of the drilling rig 5. When the drilling rig 5 is in operation, the lifting cylinder 7 is also in operation. As shown in fig. 8, the lift cylinder 7 may extend to the ground. The lifting oil cylinder 7 is used for lifting the drill frame bearing seat 6. The drill stand bearing seat 6 can stably bear the reaction force of the drill stand 5, and the stability of the heading machine is ensured. The lifting cylinder 7 can be one or more. For example, when there is one lifting cylinder 7, the lifting cylinder 7 is disposed in the middle of the drill carriage 6, and when there are two lifting cylinders 7, the lifting cylinders 7 are disposed on two sides of the drill carriage 6.
Further, referring to fig. 7, in another embodiment of the turnover mechanism for a drill stand according to the present invention, a second guide mechanism 63, a second driving device 64 and a drill stand fixing seat 61 for connecting a drill stand 5 are disposed on the drill stand bearing seat 6, the second guide mechanism 63 includes a traverse guide and at least one traverse slider, and the traverse slider is connected to the traverse guide in a matching manner;
the traverse guide rail is fixed on the drill stand bearing seat 6, the drill stand fixing seat 61 is fixed on the traverse slide block, the body of the second driving device 64 is connected with the drill stand bearing seat 6, the driving end of the second driving device 64 is connected with the drill stand fixing seat 61, and the driving direction of the second driving device 64 is the same as the guiding direction of the traverse guide rail.
In the above embodiment, the second guide mechanism 63 and the second driving device 64 are used for moving the drill holder fixing base 61 in the guide direction of the second guide mechanism 63. The first and second guiding means 63 may be arranged to intersect each other or even be perpendicular, so that the drill holder mounting 61 may be moved to different positions in one plane. For example, the axial direction of the rotation shaft of the drill stand carrier 6 is perpendicular to the guiding direction of the first guiding mechanism. The bearing platform can slide back and forth along the tunneling direction, and then drives the drill stand bearing seat to slide back and forth, so that the working position of the drill stand is finally conveniently moved. And then the first driving mechanism drives the drill stand to rotate along the side surface of the bearing platform by driving the drill stand bearing seat, so that the drill stand on the drill stand bearing seat is in a vertical working state or a horizontal standby state. The drill holder mounting 61 may be one, two, three or ten. The number of the boom holders 61 and the second driving means 64 can here be added as desired.
Further, referring to fig. 7, in another embodiment of the turning mechanism for a drill stand according to the present invention, a rotary bearing 9 and a third driving device 8 are disposed between the drill stand fixing seat 61 and the traverse slide, the drill stand fixing seat 61 is rotatably connected to the traverse slide through the rotary bearing 9, a body of the third driving device 8 is connected to the traverse slide, a driving end of the traverse slide is connected to the drill stand fixing seat 61, and the third driving device 8 is configured to drive the drill stand fixing seat 61 to rotate along the rotary bearing 9.
In the above embodiment, the use of the slewing bearing 9 and the third driving device 8, the bearing functions as a side wall (anchor rod on the roadway side) for allowing the drill stand fixing seat 61 to be shifted left and right. The movement of the drill stand fixing seat 61 is more flexible. If the drill stand fixing seat 61 deviates due to uneven ground, the rotary bearing 9 and the third driving device 8 can be adopted to enable the drill stand fixing seat 61 to be always vertically buried. The anchor rods 52 are also installed perpendicular to the ground at all times. The extension or retraction of the anchor rod 52 is driven by the jack cylinder 51.
Referring to fig. 8, the utility model further provides a heading machine, which comprises the above drill frame turnover mechanism.
Compared with the prior art, the beneficial effects of the heading machine provided by the utility model are the same as those of the drill frame turnover mechanism in the technical scheme, and the detailed description is omitted here.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
Claims (10)
1. A drill rig turnover mechanism, comprising:
a bearing table;
the drilling frame bearing seat is used for bearing a drilling frame and is rotationally connected with the side surface of the bearing platform;
the driving end of the first driving mechanism is connected with the drill stand bearing seat, and the first driving mechanism is used for driving the drill stand bearing seat to rotate relative to the bearing platform.
2. The drill rig turnover mechanism of claim 1, further comprising a platform, a support platform, and a first guide mechanism, wherein the platform is slidably connected to the support platform via the first guide mechanism, and the load-bearing platform is fixed to the platform.
3. The drill rig turnover mechanism as recited in claim 1, wherein the drill rig carrier is provided with a second drive mechanism for enabling relative movement between the drill rig and the drill rig carrier;
the second driving mechanism is used for outputting driving force along the length direction of the drill frame or driving force along the radial direction of the drill frame.
4. A drill rig turning mechanism according to claim 1, characterised in that the first driving means are capable of driving the drill rig carrying foot at least to a first position in which the drill rig on the drill rig carrying foot is in an operative position and to a second position in which the drill rig on the drill rig carrying foot is in an inoperative position, the tip of the drill rig in the inoperative position being lower than the tip of the drill rig in the operative position.
5. The boom tilting mechanism according to claim 4, wherein the boom on the boom carrier in the first position is located on the side of the carrier;
and the drill frame on the drill frame bearing seat in the second position state is positioned on the upper side of the bearing platform.
6. The boom tilting mechanism of claim 1, further comprising at least one lift cylinder, wherein a body of the lift cylinder is fixed to the boom carrier, and a working end of the lift cylinder faces the ground.
7. The boom tilting mechanism according to claim 6, wherein the boom carrier is provided with a second guiding mechanism, a second driving device and a boom holder for connecting the boom, the second guiding mechanism comprises a traverse rail and at least one traverse slider, and the traverse slider is connected with the traverse rail in a matching manner;
the transverse moving guide rail is fixed on the drill stand bearing seat, the drill stand fixing seat is fixed on the transverse moving sliding block, the body of the second driving device is connected with the drill stand bearing seat, the driving end of the second driving device is connected with the drill stand fixing seat, and the driving direction of the second driving device is the same as the guiding direction of the transverse moving guide rail.
8. The drilling rig overturning mechanism as claimed in claim 7, wherein a rotary bearing and a third driving device are arranged between the drilling rig fixing seat and the traverse slide block, the drilling rig fixing seat is rotatably connected with the traverse slide block through the rotary bearing, a body of the third driving device is connected with the traverse slide block, a driving end of the traverse slide block is connected with the drilling rig fixing seat, and the third driving device is used for driving the drilling rig fixing seat to rotate along the rotary bearing.
9. The drill rig turnover mechanism as recited in claim 2, wherein the axial direction of the rotating shaft of the drill rig bearing seat is perpendicular to the guiding direction of the first guiding mechanism;
the first driving mechanism comprises a linear power mechanism and a hinge seat, the hinge seat is arranged between the drill stand bearing seat and the bearing platform, the drill stand bearing seat is fixedly connected with the hinge seat, and one end of the hinge seat is rotatably connected to the side surface of the bearing platform;
the other end of the hinge seat is rotatably connected with the working end of the linear power mechanism, and the body of the linear power mechanism is rotatably connected with the bottom of the bearing table;
the supporting platform is provided with two sliding tracks, and the first guide mechanism is a sliding rail and a sliding block which are matched with each other;
two the track that slides is located the plummer both sides, every the track that slides passes through respectively slide rail and slider with plummer one side sliding connection.
10. A heading machine, characterized in that it comprises a mast inversion mechanism as claimed in any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122262818.9U CN216665619U (en) | 2021-09-18 | 2021-09-18 | Drill frame turnover mechanism and heading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122262818.9U CN216665619U (en) | 2021-09-18 | 2021-09-18 | Drill frame turnover mechanism and heading machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216665619U true CN216665619U (en) | 2022-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122262818.9U Active CN216665619U (en) | 2021-09-18 | 2021-09-18 | Drill frame turnover mechanism and heading machine |
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| CN (1) | CN216665619U (en) |
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2021
- 2021-09-18 CN CN202122262818.9U patent/CN216665619U/en active Active
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Address after: 037002 East Hebao Village, Xicun Township, Xinrong District, Datong City, Shanxi Province Patentee after: Weishi Heavy Industry Co.,Ltd. Address before: 030000 east of Hebao village, Xicun Township, economic development zone, Xinrong District, Datong City, Shanxi Province Patentee before: DATONG ZHONGKE WEISHI MINING TECHNOLOGY Co.,Ltd. |