CN209875060U - XYZ-axis three-dimensional drilling machine - Google Patents
XYZ-axis three-dimensional drilling machine Download PDFInfo
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- CN209875060U CN209875060U CN201920495788.6U CN201920495788U CN209875060U CN 209875060 U CN209875060 U CN 209875060U CN 201920495788 U CN201920495788 U CN 201920495788U CN 209875060 U CN209875060 U CN 209875060U
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Abstract
The utility model relates to an XYZ-axis three-dimensional drilling machine, the tunnel supporting field needs to use the anchor rod to support the tunnel inner wall, some very little angle of drilling can't be squeezed into with the anchor rod in the prior art at present, even squeeze into the anchor rod and make the tunnel inner wall support insecure because of squeezing into the angle selection unsatisfactory, this technical scheme adopts the working method of 3-axis three-dimensional movements, is suitable for multi-angle three-dimensional support, including drill boom, X-axis mobile device, Y-axis mobile device, Z-axis elevation structure and rotary drive; the X-axis moving device is arranged at the bottom of the platform, the Y-axis moving device is arranged above the X-axis moving device, the Z-axis lifting structure is perpendicular to the Y-axis moving device, a rotary driving connection is arranged between the Z-axis lifting structure and the Y-axis moving device, the drill boom is arranged on the Z-axis lifting structure, a rotary driving connection is arranged between the drill boom and the Z-axis lifting device, and the X-axis moving device comprises an X-axis platform, a slide rail, a slide block, a motor, a gear, a rack and a bottom plate.
Description
Technical Field
The utility model relates to a tunnel supporting field, concretely relates to three-dimensional rig of XYZ axle.
Background
At present, in the field of coal safety support and subway tunnel support, an anchor rod is required to be used for supporting the inner wall of a tunnel, the anchor rod is generally drilled into the inner wall of the tunnel through a drill box or a gear box, the drill box is generally installed on a platform bracket or an operation arm, the prior commonly used drilling machines are single-arm type, multi-angle type, crawler walking type, hydraulic five-wall type and other technologies, the drilling machines have certain limitation in operation, the geological conditions in the tunnel are different, the anchor rod needs to be drilled into different positions at the optimal angle to realize the safety support in the tunnel, if the angle is selected to be different, the drilling machines can be damaged, hidden dangers can be brought to the stability in the tunnel, the certain extremely drilled angles are that the anchor rod cannot be drilled into the prior art, even if the anchor rod is drilled, the inner wall of the tunnel is not firmly supported due to, most of the people also adopt a manual mode, which wastes time and labor.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides a three-dimensional rig of XYZ axle solves the technical problem that the above-mentioned exists, the utility model discloses a 3 swing joint are fixed through slewing drive to realize that arbitrary angle in the tunnel is bored the stock and is gone into.
The specific scheme is that an XYZ axis stereo drilling machine comprises: the device comprises a drill boom, an X-axis moving device, a Y-axis moving device, a Z-axis lifting device and a rotary drive; the X-axis moving device is arranged at the bottom, the Y-axis moving device is arranged above the X-axis moving device, the Z-axis lifting device is perpendicular to the Y-axis moving device, the Z-axis lifting device is connected with the Y-axis moving device in a rotating driving mode, the drill boom is arranged on the Z-axis lifting device, and the drill boom is connected with the Z-axis lifting device in a rotating driving mode.
The X-axis moving device comprises: the X-axis platform, a slide rail, a sliding block, a motor, a gear, a rack and a bottom plate are arranged, wherein the slide rail and the rack are arranged on the X-axis platform, the rack is parallel to the slide rail, the bottom plate is arranged above the X-axis platform, the sliding block is arranged at the bottom of the bottom plate and connected with the slide rail, the gear and the motor are arranged on one side of the bottom plate, the tooth surface of the gear is connected with the rack, the middle shaft of the gear is connected with the motor, and the motor drives the gear to drive the bottom plate.
The Y-axis moving device comprises: the X-axis platform comprises a sliding plate, a sliding groove and a Y-axis oil cylinder, wherein one end of the Y-axis oil cylinder is connected with the sliding plate, the other end of the Y-axis oil cylinder is connected with a bottom plate on the X-axis platform, the sliding groove is formed in the bottom plate on the X-axis platform, the sliding plate is arranged in the sliding groove, linear reciprocating motion of the sliding plate on the bottom plate is achieved through the extension and contraction of the Y-axis oil cylinder, a rotary driving connection is arranged between a Z-axis lifting device and a Y-axis moving device, namely, a rotary driving.
The Z-axis lifting device comprises a primary lifting device and a secondary lifting device, wherein the primary lifting device is connected with the secondary lifting device in a sliding mode, the bottom of the primary lifting device is connected with a sliding plate on the Y-axis moving device through rotary driving, and the secondary lifting device is connected with the drill wall through rotary driving.
The drill boom comprises: the drilling boom comprises a drilling boom main body, a drilling machine case, a sliding block, a sliding rail, chain wheels, a chain, a propulsion motor and a compensation oil cylinder, wherein the drilling machine case is arranged on the drilling boom main body through a sliding block and sliding rail connection, the sliding rail is parallel to the drilling boom main body, the propulsion motor is arranged at one end of the drilling boom main body, the chain wheels are respectively arranged at two ends of the drilling boom main body, one chain wheel is connected with the propulsion motor, the chain surrounds the chain wheels at the two ends of the drilling boom main body, the chain is connected with the sliding block, the propulsion motor power enables the drilling machine case to do linear reciprocating motion on the drilling boom main body along the sliding rail through the chain wheels, the chain and the sliding block, a rotary driving connection is arranged between the drilling boom and a Z-axis lifting device, the outer wall of the drilling boom main body is provided with another sliding rail, one side of the rotary driving is provided with the sliding block and the compensation oil cylinder, one end of the And (6) moving.
In a further preferred embodiment, the XYZ-axis stereodrill includes: the lifting device comprises a primary lifting main body, a primary lifting oil cylinder, a primary guide shaft, a guide sleeve and a primary lifting plate, wherein the primary guide shaft is arranged in the primary lifting main body, the guide sleeve is coaxially and slidably connected with the primary guide shaft, the primary lifting plate is arranged above the guide sleeve and is perpendicular to the primary guide shaft, and the primary lifting oil cylinder drives the guide sleeve to drive the primary lifting plate to slide along the primary guide shaft; the second grade elevating gear includes: the lifting device comprises a secondary lifting main body, a secondary lifting oil cylinder, a secondary guide shaft, a guide sleeve and a secondary lifting plate, wherein the secondary lifting main body is connected with the primary lifting plate and arranged above the primary lifting plate, the secondary lifting main body reciprocates in the primary lifting main body under the driving of the primary lifting plate, the secondary guide shaft is arranged in the secondary lifting main body, the guide sleeve is coaxially and slidably connected with the secondary guide shaft, the secondary lifting plate is arranged above the guide sleeve vertical to the secondary guide shaft, and the secondary lifting oil cylinder drives the guide sleeve to drive the secondary lifting plate to slide along the secondary guide shaft; the drill boom is connected with the Z-axis lifting device in a rotation driving mode, namely the second-stage lifting plate is connected with the rotation driving device, a vertical connecting piece is adopted at the joint, one side of the vertical connecting piece is connected with the rotation driving device, the other side of the vertical connecting piece is connected with the second-stage lifting plate, and the second-stage lifting plate is perpendicular to the rotation driving plane.
Preferably, the XYZ-axis stereodrill is driven by a hydraulic motor or an electric motor.
Preferably, the drill case is provided with an anchor rod.
The beneficial effects of the utility model are that the mode that adopts the triaxial combination is bored the stock into strutting the in-process, compares in prior art scheme more nimble, can realize that X axle, Y axle, the three-dimensional position of Z axle are adjusted, is applicable to all-round, three-dimensional full angle in the tunnel, sets up rotary drive between the triaxial and is the utility model discloses an original design.
Drawings
FIG. 1 is a front view of an XYZ-axis stereo drilling rig;
FIG. 2 is a left side view of an XYZ-axis stereo drilling rig;
FIG. 3 is a top view of an XYZ-axis stereodrill;
FIG. 4 is a schematic diagram showing the connection between an X-axis moving device and a Y-axis moving device of an XYZ-axis stereo drilling machine;
FIG. 5 is a schematic view of the connection of the drill boom of an XYZ-axis stereo drilling machine;
fig. 6 is a perspective view of a vertical connection member of an XYZ-axis stereodrill.
In the figure: 1. the device comprises an X-axis moving platform, 2, a sliding rail, 3, a sliding block, 4, a motor, 5, a gear, 6, a rack, 7, a Y-axis oil cylinder, 8, a bottom plate, 9, a rotary drive, 10, a sliding plate, 11, a sliding groove, 12, a primary lifting main body, 13, a primary lifting oil cylinder, 14, a primary guide shaft, 15, a guide sleeve, 16, a primary lifting plate, 17, a secondary lifting main body, 18, a secondary lifting oil cylinder, 19, a secondary guide shaft, 20, a secondary lifting plate, 21, a vertical connecting piece, 22, a drill arm main body, 23, a drill box, 24, a chain wheel, 25, a chain, 26, a propelling motor, 27, a compensation oil cylinder, 28 and an anchor rod.
It is noted that in the description of the present invention, the terms "above", "inside", "bottom", "vertical", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be mechanically coupled, directly coupled, indirectly coupled through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Detailed Description
The invention is further described with reference to the accompanying drawings and specific embodiments:
example 1
An XYZ-axis stereodrill, as shown in fig. 1, 2, 3, 4, comprising: the device comprises a drill boom, an X-axis moving device, a Y-axis moving device, a Z-axis lifting device and a rotary drive; the X-axis moving device is arranged at the bottom, the Y-axis moving device is arranged above the X-axis moving device, the Z-axis lifting device is perpendicular to the Y-axis moving device, a rotary drive 9 is arranged between the Z-axis lifting device and the Y-axis moving device for connection, the drill boom is arranged on the Z-axis lifting device, and a rotary drive 9 is arranged between the drill boom and the Z-axis lifting device for connection.
The X-axis moving apparatus shown in fig. 1, 3 and 4 includes: x axle platform 1, slide rail 2, slider 3, motor 4, gear 5, rack 6 and bottom plate 8 are constituteed, wherein, set up slide rail 2 and rack 6 on the X axle platform 1, rack 6 is parallel with slide rail 2, bottom plate 8 sets up in X axle platform 1 top, 8 bottoms of bottom plate set up slider 3, slider 3 is connected with slide rail 2, 8 one sides of bottom plate set up gear 5 and motor 4, the flank of tooth of gear 5 is connected with rack 6, the axis of gear 5 is connected with motor 4, motor 4 drive gear 5 drives bottom plate 8 along rack 6 and removes along X axle platform 1's slide rail 2.
The Y-axis moving device shown in fig. 4 includes: the X-axis platform comprises a sliding plate 10, a sliding groove 11 and a Y-axis oil cylinder 7, wherein one end of the Y-axis oil cylinder 7 is connected with the sliding plate 10, the other end of the Y-axis oil cylinder 7 is connected with a bottom plate 8 on the X-axis platform 1, the sliding groove 11 is arranged on the bottom plate 8 on the X-axis platform 1, the sliding plate 10 is arranged in the sliding groove 11, the Y-axis oil cylinder 7 stretches to realize linear reciprocating motion of the sliding plate 10 on the bottom plate 8, a rotary drive 9 is arranged between a Z-axis lifting device and a Y-axis moving device and connected with the Z-axis lifting device.
The Z-axis lifting device shown in fig. 1 and 2 comprises a primary lifting device and a secondary lifting device, wherein the primary lifting device is connected with the secondary lifting device in a sliding manner, the bottom of the primary lifting device is connected with a sliding plate 10 on the Y-axis moving device through a rotary drive 9, and the secondary lifting device is connected with the drill wall through a rotary drive 9.
The drill boom shown in fig. 1 and 2 comprises: the drilling boom comprises a drilling boom main body 22, a drilling rig box 23, a slide block 3, a slide rail 2, chain wheels 24, a chain 25, a propulsion motor 26 and a compensation oil cylinder 27, wherein the drilling rig box 23 is connected and arranged on the drilling boom main body 22 through the slide block 3 and the slide rail 2, the slide rail 2 is parallel to the drilling boom main body 22, the propulsion motor 26 is arranged at one end of the drilling boom main body 22, the chain wheels 24 are respectively arranged at two ends of the drilling boom main body 22, one chain wheel 24 is connected with the propulsion motor 26, the chain 25 surrounds the chain wheel 24 at two ends of the drilling boom main body 22, the chain 25 is connected with the slide block 3, the propulsion motor 26 makes the drilling rig box 23 linearly reciprocate on the drilling boom main body 22 along the slide rail 2 through the chain wheel 24, the chain 25 and the slide block 3, a rotary drive 9 is arranged between the drilling boom and a Z-axis lifting device, the outer wall of the drilling boom main body 22, one end of the compensation oil cylinder 27 is connected with the drill boom main body 22, the other end of the compensation oil cylinder 27 is connected with the rotary drive 9, and the power of the compensation oil cylinder 27 enables the drill boom main body 22 to linearly reciprocate on the rotary drive 9 along the slide block 3 through the drill boom main body 22 and the slide rail 2.
Example 2
An XYZ-axis stereodrill as shown in fig. 1 to 6, comprising: the device comprises a drill boom, an X-axis moving device, a Y-axis moving device, a Z-axis lifting device and a rotary drive; the X-axis moving device is arranged at the bottom, the Y-axis moving device is arranged above the X-axis moving device, the Z-axis lifting device is perpendicular to the Y-axis moving device, a rotary drive 9 is arranged between the Z-axis lifting device and the Y-axis moving device for connection, the drill boom is arranged on the Z-axis lifting device, and a rotary drive 9 is arranged between the drill boom and the Z-axis lifting device for connection.
The X-axis moving apparatus shown in fig. 1, 3 and 4 includes: x axle platform 1, slide rail 2, slider 3, motor 4, gear 5, rack 6 and bottom plate 8 are constituteed, wherein, set up slide rail 2 and rack 6 on the X axle platform 1, rack 6 is parallel with slide rail 2, bottom plate 8 sets up in X axle platform 1 top, 8 bottoms of bottom plate set up slider 3, slider 3 is connected with slide rail 2, 8 one sides of bottom plate set up gear 5 and motor 4, the flank of tooth of gear 5 is connected with rack 6, the axis of gear 5 is connected with motor 4, motor 4 drive gear 5 drives bottom plate 8 along rack 6 and removes along X axle platform 1's slide rail 2.
The Y-axis moving device shown in fig. 4 includes a sliding plate 10, a sliding groove 11 and a Y-axis cylinder 7, one end of the Y-axis cylinder 7 is connected with the sliding plate 10, the other end of the Y-axis cylinder 7 is connected with a bottom plate 8 on the X-axis platform 1, the sliding groove 11 is arranged on the bottom plate 8 on the X-axis platform 1, the sliding plate 10 is arranged in the sliding groove 11, the Y-axis cylinder 7 extends and retracts to realize the linear reciprocating motion of the sliding plate 10 on the bottom plate 8, and a rotation drive 9 is arranged between the Z-axis lifting device and the Y-axis moving device, that is, the rotation drive 9 is arranged above the sliding plate 10.
The Z-axis lifting device shown in fig. 1 and 2 comprises a primary lifting device and a secondary lifting device, wherein the primary lifting device is connected with the secondary lifting device in a sliding manner, the bottom of the primary lifting device is connected with a sliding plate 10 on the Y-axis moving device through a rotary drive 9, and the secondary lifting device is connected with the drill wall through a rotary drive 9.
The primary lifting device shown in fig. 1 includes: the lifting device comprises a primary lifting main body 12, a primary lifting oil cylinder 13, a primary guide shaft 14, a guide sleeve 15 and a primary lifting plate 16, wherein the primary guide shaft 14 is arranged in the primary lifting main body 12, the guide sleeve 15 is coaxially and slidably connected with the primary guide shaft 14, the primary lifting plate 16 is arranged above the guide sleeve 15 and perpendicular to the primary guide shaft 14, and the primary lifting oil cylinder 13 drives the guide sleeve 15 to drive the primary lifting plate 16 to slide along the primary guide shaft 14; the two-stage lifting device shown in fig. 2, 3, 5 and 6 comprises: the lifting device comprises a secondary lifting main body 17, a secondary lifting oil cylinder 18, a secondary guide shaft 19, a guide sleeve 15 and a secondary lifting plate 20, wherein the secondary lifting main body 17 is connected with the primary lifting plate 16, the secondary lifting main body 17 is arranged above the primary lifting plate 16, the secondary lifting main body 17 reciprocates in the primary lifting main body 12 under the driving of the primary lifting plate 16, the secondary guide shaft 19 is arranged in the secondary lifting main body 17, the guide sleeve 15 is coaxially and slidably connected with the secondary guide shaft 19, the secondary lifting plate 20 is arranged above the guide sleeve 15 and perpendicular to the secondary guide shaft 19, and the secondary lifting oil cylinder 18 drives the guide sleeve 15 to drive the secondary lifting plate 20 to slide along the secondary guide shaft 19; the drill boom is connected with the Z-axis lifting device through the rotary drive 9, namely the second-stage lifting plate 20 is connected with the rotary drive 9, a vertical connecting piece 21 is adopted at the joint, one side of the vertical connecting piece 21 is connected with the rotary drive 9, the other side of the vertical connecting piece 21 is connected with the second-stage lifting plate 20, and the second-stage lifting plate 20 is perpendicular to the plane of the rotary drive 9.
The drill boom shown in fig. 1 and 2 comprises: the drilling boom comprises a drilling boom main body 22, a drilling rig box 23, a slide block 3, a slide rail 2, chain wheels 24, a chain 25, a propulsion motor 26 and a compensation oil cylinder 27, wherein the drilling rig box 23 is connected and arranged on the drilling boom main body 22 through the slide block 3 and the slide rail 2, the slide rail 2 is parallel to the drilling boom main body 22, the propulsion motor 26 is arranged at one end of the drilling boom main body 22, the chain wheels 24 are respectively arranged at two ends of the drilling boom main body 22, one chain wheel 24 is connected with the propulsion motor 26, the chain 25 surrounds the chain wheel 24 at two ends of the drilling boom main body 22, the chain 25 is connected with the slide block 3, the propulsion motor 26 makes the drilling rig box 23 linearly reciprocate on the drilling boom main body 22 along the slide rail 2 through the chain wheel 24, the chain 25 and the slide block 3, a rotary drive 9 is arranged between the drilling boom and a Z-axis lifting device, the outer wall of the drilling boom main body 22, one end of the compensation oil cylinder 27 is connected with the drill boom main body 22, the other end of the compensation oil cylinder 27 is connected with the rotary drive 9, and the power of the compensation oil cylinder 27 enables the drill boom main body 22 to linearly reciprocate on the rotary drive 9 along the slide block 3 through the drill boom main body 22 and the slide rail 2.
The rotary drive 9 is driven by a hydraulic motor or an electric motor.
The drilling rig box 23 is provided with an anchor rod 28.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Other technical features are known to those skilled in the art except for the technical features described in the specification, and are not described in detail herein in order to highlight the innovative features of the present invention.
Claims (10)
1. An XYZ-axis three-dimensional drilling machine comprises a drilling boom, an X-axis moving device, a Y-axis moving device, a Z-axis lifting device and a rotary drive; the X-axis moving device is arranged at the bottom, the Y-axis moving device is arranged above the X-axis moving device, and the Z-axis lifting device is perpendicular to the Y-axis moving device.
2. An XYZ axis stereodrill according to claim 1, wherein the X axis movement means comprises: the X-axis platform is provided with the sliding rail and the rack, the rack is parallel to the sliding rail, the bottom plate is arranged above the X-axis platform, the bottom of the bottom plate is provided with the sliding block, the sliding block is connected with the sliding rail, one side of the bottom plate is provided with the gear and the motor, the tooth surface of the gear is connected with the rack, and the middle shaft of the gear is connected with the motor.
3. The XYZ-axis stereodrill according to claim 1, wherein the Y-axis moving device comprises a sliding plate, a sliding slot and a Y-axis cylinder, wherein one end of the Y-axis cylinder is connected to the sliding plate, the other end of the Y-axis cylinder is connected to a bottom plate on the X-axis platform, the sliding slot is arranged on the bottom plate on the X-axis platform, the sliding plate is arranged in the sliding slot, and the Z-axis lifting device is connected to the Y-axis moving device by a rotation drive, i.e. a rotation drive is arranged above the sliding plate.
4. The XYZ-axis stereo drilling rig as claimed in claim 1, wherein the Z-axis lifting device comprises a primary lifting device and a secondary lifting device, wherein the primary lifting device is slidably connected with the secondary lifting device, and the bottom of the primary lifting device is connected with the Y-axis moving device through a rotary drive.
5. The XYZ shaft stereodrill of claim 4, wherein the primary elevating means comprises: the lifting device comprises a primary lifting main body, a primary lifting oil cylinder, a primary guide shaft, a guide sleeve and a primary lifting plate, wherein the primary guide shaft is arranged in the primary lifting main body, the guide sleeve is coaxially and slidably connected with the primary guide shaft, the primary lifting plate is perpendicular to the primary guide shaft and is arranged above the guide sleeve, and the primary lifting oil cylinder drives the guide sleeve to drive the primary lifting plate to slide along the primary guide shaft.
6. The XYZ shaft stereodrill of claim 5, wherein the secondary lifting device comprises: second grade lift main part, second grade lift cylinder, second grade guiding axle, uide bushing and second grade lifter plate, wherein, the second grade lift main part is connected with the one-level lifter plate, and the second grade lift main part sets up in the one-level lifter plate top, sets up the second grade guiding axle in the second grade lift main part, uide bushing and the coaxial sliding connection of second grade guiding axle, and second grade lifter plate perpendicular to second grade guiding axle sets up in the uide bushing top, and second grade lift cylinder drive uide bushing drives the second grade lifter plate and slides along the second grade guiding axle.
7. The XYZ shaft stereodrill of claim 6, wherein the drill arm comprises: the drilling machine comprises a drilling boom main body, a drilling machine case, a sliding block, a sliding rail, chain wheels, chains, a propulsion motor and a compensation oil cylinder, wherein the drilling machine case is arranged on the drilling boom main body through the connection of the sliding block and the sliding rail, the sliding rail is parallel to the drilling boom main body, the propulsion motor is arranged at one end of the drilling boom main body, the chain wheels are respectively arranged at two ends of the drilling boom main body, one of the chain wheels is connected with the propulsion motor, the chains surround the chain wheels at two ends of the drilling boom main body.
8. The XYZ-axis stereodrill according to claim 7, wherein the drill boom is connected with the Z-axis lifting device via a rotary drive, the outer wall of the drill boom body is provided with another slide rail, one side of the rotary drive is provided with a slide block and a compensation cylinder, one end of the compensation cylinder is connected with the drill boom body, the other end of the compensation cylinder is connected with the rotary drive, the slide rail is slidably connected with the slide block, and the other side of the rotary drive is connected with the second-stage lifting device.
9. An XYZ-axis stereodrill according to claim 8, wherein the other side of the rotation driving unit is connected to a second elevating unit, i.e. the second elevating plate is connected to the rotation driving unit, the connection is a vertical connection unit, one side of the vertical connection unit is connected to the rotation driving unit, the other side of the vertical connection unit is connected to the second elevating plate, and the second elevating plate is perpendicular to the plane of the rotation driving unit.
10. An XYZ-axis stereodrill according to claim 3, characterized in that said swing drive is a hydraulic motor or an electric motor drive.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920495788.6U CN209875060U (en) | 2019-04-12 | 2019-04-12 | XYZ-axis three-dimensional drilling machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920495788.6U CN209875060U (en) | 2019-04-12 | 2019-04-12 | XYZ-axis three-dimensional drilling machine |
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| CN209875060U true CN209875060U (en) | 2019-12-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112727346A (en) * | 2020-12-31 | 2021-04-30 | 中国煤炭科工集团太原研究院有限公司 | Lightweight rack and pinion climbing anchor protects rig |
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2019
- 2019-04-12 CN CN201920495788.6U patent/CN209875060U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112727346A (en) * | 2020-12-31 | 2021-04-30 | 中国煤炭科工集团太原研究院有限公司 | Lightweight rack and pinion climbing anchor protects rig |
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