CN219823490U - Coal mine tunnel unit support carrying device - Google Patents
Coal mine tunnel unit support carrying device Download PDFInfo
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- CN219823490U CN219823490U CN202321166915.0U CN202321166915U CN219823490U CN 219823490 U CN219823490 U CN 219823490U CN 202321166915 U CN202321166915 U CN 202321166915U CN 219823490 U CN219823490 U CN 219823490U
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- 239000003245 coal Substances 0.000 title claims abstract description 43
- 239000000725 suspension Substances 0.000 claims abstract description 22
- 230000000712 assembly Effects 0.000 claims description 11
- 238000000429 assembly Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 abstract description 7
- 238000004873 anchoring Methods 0.000 abstract description 4
- 230000004888 barrier function Effects 0.000 abstract 1
- 230000005484 gravity Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- Lining And Supports For Tunnels (AREA)
Abstract
The utility model provides a colliery roadway unit support handling device, includes bottom plate, goes up supporting component, lower supporting component, side supporting component, hangs the subassembly, go up supporting component and locate the upper surface of bottom plate, the length of going up supporting component can follow first direction change, the lower surface of bottom plate is located to lower supporting component, the length of lower supporting component can follow the second direction change, side supporting component locates on the bottom plate, the length of side supporting component can follow the third direction change, it includes the piece that lifts by crane to hang the subassembly, it locates on the bottom plate to lift by crane the piece, it can follow fourth direction motion to hang the subassembly to hang, has solved the problem that the unit support was barrier more in loading and unloading process through setting up the suspension component. The upper supporting component and the lower supporting component are used for anchoring the coal mine roadway unit support conveying device up and down relative to the roadway, and the stability of the coal mine roadway unit support conveying device can be maintained by adjusting the length of the side supporting component when the unit support is assembled and disassembled from the bottom plate by the suspension component.
Description
Technical Field
The utility model relates to the technical field of unit support conveying equipment, in particular to a coal mine roadway unit support conveying device.
Background
When deep mining is carried out on a coal mine, moving and face reversing of fully-mechanized mining face equipment becomes a difficult problem, and the number of times of moving and face reversing per year is increased due to the increase of mining speed.
Taking a unit bracket as an example, the patent of the utility model of the grant notice number CN113104775B discloses a unit bracket carrier and a using method, wherein the unit bracket carrier comprises a placing bottom plate, a supporting frame, a telescopic mechanism, a push rod and a lifting cylinder, wherein the supporting frame is installed on the upper surface of the placing bottom plate and is adjacent to the edge of the placing bottom plate, the lower end of the telescopic mechanism is connected with the supporting frame, the free end of the telescopic mechanism is movable in the up-down direction, the push rod is connected with the free end of the telescopic mechanism, the push rod extends along the horizontal direction, the upper end of the lifting cylinder is connected with the supporting frame, and the lower end of the lifting cylinder is provided with a travelling wheel. When installing the unit support, utilize the carrier to transport the unit support to the assigned position in tunnel, lift off the unit support by the carrier again, extend the unit support at last, the unit support supports the assigned position in tunnel, when dismantling the unit support, draws in the unit support, loads the unit support by the carrier again, utilizes the carrier to transport the unit support to other assigned positions in tunnel at last, has greatly improved the transport effect of unit support.
However, when there is a pipeline in the roadway, in order to move the unit bracket from the carrier to one side of the roadway beyond the pipeline, a lifting mechanism is further required to be arranged on the carrier, and the unit bracket is lifted and transferred on the carrier.
Disclosure of Invention
In view of the above, it is necessary to provide a coal mine tunnel unit rack carrying device.
The utility model provides a colliery roadway unit support handling device, includes bottom plate, goes up supporting component, lower supporting component, side supporting component, suspension assembly, go up supporting component and locate the upper surface of bottom plate, go up supporting component's length and follow the first direction and change, the upper surface of first direction perpendicular to bottom plate, lower supporting component locates the lower surface of bottom plate, lower supporting component's length can follow the second direction and change, the lower surface of second direction perpendicular to bottom plate, side supporting component locates on the bottom plate, side supporting component's length can follow the third direction and change, the third direction is on a parallel with the upper surface or the lower surface of bottom plate, suspension assembly includes the piece that lifts by crane, it can follow fourth direction motion to lift by crane the piece, fourth direction perpendicular to the upper surface of bottom plate.
Preferably, the base plate is a rectangular plate.
Preferably, the two upper supporting components are arranged on the bottom plate and are respectively positioned at two sides of the length direction of the bottom plate, the upper supporting components comprise a first telescopic component, a second telescopic component and a top rod, the first telescopic component and the second telescopic component are arranged on the bottom plate and are respectively positioned at two sides of the width direction of the bottom plate, the fixed end of the first telescopic component is connected with the bottom plate, the telescopic end of the first telescopic component linearly extends upwards, the fixed end of the second telescopic component is connected with the bottom plate, the telescopic end of the second telescopic component linearly extends upwards, and two ends of the top rod are respectively hinged with the telescopic end of the first telescopic component and the telescopic end of the second telescopic component.
Preferably, the bottom plate is located to two lower supporting components to be located bottom plate length direction's both sides respectively, lower supporting component includes third extensible member, fourth extensible member, third extensible member, fourth extensible member are located on the bottom plate, and are located bottom plate width direction's both sides respectively, the stiff end and the bottom plate of third extensible member are connected, the flexible end straight line downwardly extending of third extensible member, the stiff end and the bottom plate connection of fourth extensible member, the flexible end straight line downwardly extending of fourth extensible member.
Preferably, the lower support assembly further comprises universal wheels, and one universal wheel is respectively arranged at the end parts of the telescopic ends of the first telescopic piece and the second telescopic piece.
Preferably, the suspension assembly further comprises a fifth telescopic member and a sixth telescopic member, the fixed end of the fifth telescopic member is connected with the bottom plate, the telescopic end of the fifth telescopic member linearly extends upwards, the fixed end of the sixth telescopic member is rotationally connected with the telescopic end of the fifth telescopic member, the telescopic end of the fifth telescopic member linearly and horizontally extends, and the lifting member is arranged at the telescopic end of the fifth telescopic member.
Preferably, the two side support assemblies are arranged on the bottom plate and are respectively positioned at two sides of the length direction of the bottom plate, the side support assemblies comprise a seventh telescopic piece and an eighth telescopic piece, the seventh telescopic piece and the eighth telescopic piece are arranged on the bottom plate and are respectively positioned at two sides of the width direction of the bottom plate, and the directions of the seventh telescopic piece and the eighth telescopic piece are opposite.
Preferably, the horizontal heights of the seventh telescopic element and the eighth telescopic element are the same.
Preferably, the fixed end of the seventh telescopic member is connected with the bottom plate, and the telescopic end of the seventh telescopic member extends horizontally away from the direction of the bottom plate.
Preferably, the fixed end of the eighth telescopic member is connected with the bottom plate, and the telescopic end of the eighth telescopic member extends horizontally away from the direction of the bottom plate.
The utility model has the beneficial effects that: through setting up suspension element, solved the problem of unit bracket obstacle crossing in loading and unloading process. The upper supporting component and the lower supporting component are used for anchoring the coal mine roadway unit support conveying device up and down relative to the roadway, and the stability of the coal mine roadway unit support conveying device can be maintained by adjusting the length of the side supporting component when the unit support is assembled and disassembled from the bottom plate by the suspension component.
Drawings
Fig. 1 is an isometric view of a side support assembly of the coal mine tunnel unit support handling apparatus in a collapsed state.
Fig. 2 is an isometric view of the side support assembly of the coal mine tunnel unit support handling apparatus in an unfolded state.
Fig. 3 is a schematic view of the mine tunnel unit support carrying device in a gentle stage of the tunnel.
Fig. 4 is a schematic diagram of the mine tunnel unit support carrying device in the inclination stage of the tunnel.
Fig. 5 is a schematic diagram of stress analysis of the coal mine tunnel unit support carrying device in a tunnel gentle stage.
Fig. 6 is a schematic diagram of a stress analysis of the coal mine tunnel unit support carrying device in a tunnel inclination stage.
In the figure: roadway 10, unit frame handling apparatus 20, floor 21, upper support assembly 22, first telescoping member 221, second telescoping member 222, ram 223, lower support assembly 23, third telescoping member 231, fourth telescoping member 232, universal wheel 233, suspension assembly 24, fifth telescoping member 241, sixth telescoping member 242, lifting member 243, pull rod 244, side support assembly 25, seventh telescoping member 251, eighth telescoping member 252.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Referring to fig. 1 and 2, an embodiment of the present utility model provides a coal mine roadway unit support carrying device 20, which includes a base plate 21, an upper support assembly 22, a lower support assembly 23, a side support assembly 25, and a suspension assembly 24, wherein the upper support assembly 22 is disposed on an upper surface of the base plate 21, a length of the upper support assembly 22 may be changed along a first direction, the first direction is perpendicular to the upper surface of the base plate 21, the lower support assembly 23 is disposed on a lower surface of the base plate 21, a length of the lower support assembly 23 may be changed along a second direction, the second direction is perpendicular to the lower surface of the base plate 21, the side support assembly 25 is disposed on the base plate 21, a length of the side support assembly 25 may be changed along a third direction, the third direction is parallel to the upper surface or the lower surface of the base plate 21, the suspension assembly 24 includes a lifting member 243, the lifting member 243 may be moved along a fourth direction, and the fourth direction is perpendicular to the upper surface of the base plate 21.
The utility model has the beneficial effects that: by providing the suspension assembly 24, the problem of obstacle surmounting of the unit bracket during loading and unloading is solved. The coal mine tunnel unit support carrying device 20 is anchored up and down relative to the tunnel 10 through the upper support assembly 22 and the lower support assembly 23, and the stability of the coal mine tunnel unit support carrying device 20 can be maintained by adjusting the length of the side support assembly 25 when the unit support is assembled and disassembled from the bottom plate 21 through the suspension assembly 24.
Referring to fig. 1 and 2, further, the bottom plate 21 is a rectangular plate.
Referring to fig. 1 and 2, further, the two upper support assemblies 22 are two, the two upper support assemblies 22 are disposed on the bottom plate 21 and are respectively located at two sides of the length direction of the bottom plate 21, the upper support assemblies 22 include a first telescopic member 221, a second telescopic member 222 and a push rod 223, the first telescopic member 221 and the second telescopic member 222 are disposed on the bottom plate 21 and are respectively located at two sides of the width direction of the bottom plate 21, a fixed end of the first telescopic member 221 is connected with the bottom plate 21, a telescopic end of the first telescopic member 221 extends upwards in a straight line, a fixed end of the second telescopic member 222 is connected with the bottom plate 21, a telescopic end of the second telescopic member 222 extends upwards in a straight line, and two ends of the push rod 223 are respectively hinged with the telescopic end of the first telescopic member 221 and the telescopic end of the second telescopic member 222.
Referring to fig. 1 and 2, further, the number of the lower supporting components 23 is two, the two lower supporting components 23 are disposed on the bottom plate 21 and are respectively located at two sides of the length direction of the bottom plate 21, the lower supporting components 23 include a third telescopic member 231 and a fourth telescopic member 232, the third telescopic member 231 and the fourth telescopic member 232 are disposed on the bottom plate 21 and are respectively located at two sides of the width direction of the bottom plate 21, the fixed end of the third telescopic member 231 is connected with the bottom plate 21, the telescopic end of the third telescopic member 231 extends downwards in a straight line, the fixed end of the fourth telescopic member 232 is connected with the bottom plate 21, and the telescopic end of the fourth telescopic member 232 extends downwards in a straight line.
In a preferred embodiment, the connection points of the first telescoping member 221 and the second telescoping member 222 with the base plate 21 are four vertices of a rectangle, and the connection points of the third telescoping member 231 and the fourth telescoping member 232 with the base plate 21 are four vertices of a rectangle.
In the process of loading and unloading the unit support, the coal mine roadway unit support carrying device 20 is in an unstable state, see fig. 3 to 4, and mechanical analysis is performed on two working conditions of the coal mine roadway unit support carrying device 20 in a gentle stage and an inclination stage of the roadway 10, so as to explain how to improve the stability of the coal mine roadway unit support carrying device 20 in loading and unloading the unit support in another mode.
In fig. 5 and 6, the direction inside the paper is right, the direction outside the paper is left, the direction left of the paper is front, the direction right of the paper is rear, the direction on the paper is up, and the direction under the paper is down. The width direction of the bottom plate 21 is the X-axis direction, and the length direction of the bottom plate 21 is the Y-axis direction. The directions of F1, F2, F3 and F4 are Z-axis directions. F1 is the supporting force applied to the left side of the bottom plate 21 of the unit bracket transporting device 20, F2 is the supporting force applied to the right side of the bottom plate 21 of the unit bracket transporting device 20, F3 is the supporting force of the front jack 223 of the unit bracket transporting device 20 to the top surface of the roadway 10, F4 is the supporting force of the rear jack 223 of the unit bracket transporting device 20 to the top surface of the roadway 10, O1 is the center of gravity of the bottom plate 21, O2 is the center of gravity of the unit bracket, B is the width of the bottom plate 21, L is the vertical distance between the center of gravity of the bottom plate 21 and the center of gravity of the unit bracket, L1 is the length of the bottom plate 21, L2 is the horizontal distance between the center of gravity of the bottom plate 21 and the center of the unit bracket, L3 is the vertical distance between the fifth telescopic member 241 and the center of gravity of the bottom plate 21, L4 is the vertical distance between the third telescopic member 231 and the fourth telescopic member 232, α is the angle between the horizontal plane and the bottom plate 21, Q is the gravity of the unit bracket, and mg is the gravity of the unit bracket transporting device 20.
Referring to fig. 5, a load analysis of the coal mine tunnel unit bracket handling apparatus 20 at a gentle stage of the tunnel 10 is performed.
When L is 1.5m, 1.2m, 1m, 0.6m, 0.3m and 0m, F2 is changed along with the change of the L value, and F1, F3 and F4 are unchanged. During loading and unloading of the unit support, the stability of the coal mine roadway unit support conveying device 20 can be maintained by adjusting F2.
Referring to fig. 6, a load analysis of the coal mine roadway unit bracket handling apparatus 20 at the tilt stage of the roadway 10 is performed.
F1＝f1(Q、α、N、L1、L2、mg)
F2＝f2(Q、α、N、L1、L2、L3、mg)
F3＝f3(Q、α、N、L1、L2、L3、mg)
F4＝f4(Q、α、N、L1、L2、L3、mg)
When L is 1.5m, 1.2m, 1m, 0.6m, 0.3m and 0m, F2 is also changed along with the change of L and alpha values; f1, F3, F4 vary with a. At a certain time, F2 is adjusted in the process of loading and unloading the unit support, so that the stability of the coal mine roadway unit support conveying device 20 can be maintained.
Compared with the prior design, the ejector rod 223 which is arranged at a single level is improved to two ejector rods 223 which are arranged in parallel. By such a design, when the unit bracket is detached from the base plate 21 by the suspension assembly 24, the stability of the coal mine tunnel unit bracket transporting device 20 can be maintained by adjusting the third telescopic member 231.
Referring to fig. 1 and 2, further, the lower support assembly 23 further includes a universal wheel 233, and one universal wheel 233 is provided at each of the ends of the telescopic ends of the first and second telescopic members 221 and 222.
Referring to fig. 1 and 2, further, the suspension assembly 24 further includes a fifth telescopic member 241 and a sixth telescopic member 242, wherein a fixed end of the fifth telescopic member 241 is connected to the base plate 21, a telescopic end of the fifth telescopic member 241 extends linearly upwards, a fixed end of the sixth telescopic member 242 is rotatably connected to a telescopic end of the fifth telescopic member 241, a telescopic end of the fifth telescopic member 241 extends linearly and horizontally, and the lifting member 243 is disposed at the telescopic end of the fifth telescopic member 241.
Referring to fig. 1 and 2, further, the two side supporting assemblies 25 are two, the two side supporting assemblies 25 are disposed on the bottom plate 21 and are respectively located at two sides of the length direction of the bottom plate 21, the side supporting assemblies 25 include a seventh telescopic member 251 and an eighth telescopic member 252, the seventh telescopic member 251 and the eighth telescopic member 252 are disposed on the bottom plate 21 and are respectively located at two sides of the width direction of the bottom plate 21, and the directions of the seventh telescopic member 251 and the eighth telescopic member 252 are opposite.
Referring to fig. 1 and 2, further, the seventh and eighth telescoping members 251 and 252 have the same horizontal height.
Referring to fig. 1 and 2, further, the fixed end of the seventh telescopic member 251 is connected to the base plate 21, and the telescopic end of the seventh telescopic member 251 extends horizontally away from the base plate 21.
Referring to fig. 1 and 2, further, a fixed end of the eighth telescoping member 252 is connected to the base plate 21, and a telescoping end of the eighth telescoping member 252 extends horizontally away from the base plate 21.
In one embodiment, the telescoping member is a hydraulic cylinder and the lifting member 243 is a lifting rope. Of course, the telescopic parts are not limited to the hydraulic cylinders, but can be a ball spline telescopic structure, a scissor-fork type push rod telescopic structure and a screw driving telescopic structure, and will not be described again.
In one embodiment, the distance between the line of gravity of lifting element 243 and the line of gravity of base plate 21 is 0-1.5m.
In one embodiment, the suspension assembly 24 further includes a pull rod 244, one end of the pull rod 244 is connected to the fixed end of the fifth telescoping member 241, and the other end of the pull rod 244 is connected to the fixed end of the sixth telescoping member 242.
In a preferred embodiment, the projection of the sixth telescoping member 242 onto the base plate 21 coincides with the centerline of the base plate 21.
In a preferred embodiment, seventh telescoping member 251 extends horizontally and vertically with respect to the long side of base plate 21, and eighth telescoping member 252 extends horizontally and vertically with respect to the long side of base plate 21.
In a preferred embodiment, seventh telescoping member 251 and eighth telescoping member 252 are disposed one above the other.
The first method for using the coal mine tunnel unit support carrying device 20 comprises a unit support loading step and a unit support unloading step;
unit rack loading step:
transferring the unit support to the designated position of the roadway 10 by using the coal mine roadway unit support carrying device 20, starting the upper support assembly 22 and the lower support assembly 23, and anchoring the coal mine roadway unit support carrying device 20 up and down relative to the roadway 10;
activating the side support assembly 25, the side support assembly 25 extending;
starting the suspension assembly 24, lifting the unit bracket, horizontally moving to one side of the roadway 10, and falling the unit bracket;
unloading the unit bracket:
the suspension assembly 24 is activated to raise the unit bracket, and then horizontally moves to one side of the bottom plate 21, drops the unit bracket,
starting the side support assembly 25, and folding the side support assembly 25;
the upper support assembly 22 and the lower support assembly 23 are started, the coal mine tunnel unit support conveying device 20 is released from being fixed up and down relative to the tunnel 10, and the coal mine tunnel unit support conveying device 20 is utilized to convey the unit support to other designated positions of the tunnel 10.
It should be noted that: the two third telescopic members 231 can be respectively and independently adjusted and can also be synchronously adjusted. The unit bracket can be horizontally moved to one side of the roadway 10 by driving the sixth telescopic member 242 to rotate relative to the fifth telescopic member 241 by a motor.
The second method for using the coal mine tunnel unit support carrying device 20 comprises a unit support loading step and a unit support unloading step;
unit rack loading step:
transferring the unit support to the designated position of the roadway 10 by using the coal mine roadway unit support carrying device 20, starting the upper support assembly 22 and the lower support assembly 23, and anchoring the coal mine roadway unit support carrying device 20 up and down relative to the roadway 10;
starting the suspension assembly 24, lifting the unit bracket, horizontally moving to one side of the roadway 10, dropping the unit bracket, and synchronously adjusting the length or the pressure of the third telescopic member 231 to keep the bottom plate 21 stable;
unloading the unit bracket:
the suspension assembly 24 is started to lift the unit bracket, horizontally move to one side of the bottom plate 21, drop the unit bracket, and synchronously adjust the length or the pressure of the third telescopic piece 231 to keep the bottom plate 21 stable;
the upper support assembly 22 and the lower support assembly 23 are started, the coal mine tunnel unit support conveying device 20 is released from being fixed up and down relative to the tunnel 10, and the coal mine tunnel unit support conveying device 20 is utilized to convey the unit support to other designated positions of the tunnel 10.
The modules or units in the device of the embodiment of the utility model can be combined, divided and deleted according to actual needs.
The foregoing disclosure is illustrative of the preferred embodiments of the present utility model, and is not to be construed as limiting the scope of the utility model, as it is understood by those skilled in the art that all or part of the above-described embodiments may be practiced with equivalents thereof, which fall within the scope of the utility model as defined by the appended claims.
Claims (10)
1. The utility model provides a colliery tunnel unit support handling device which characterized in that: including bottom plate, last supporting component, lower supporting component, side supporting component, suspension assembly, the upper surface of bottom plate is located to last supporting component, the length of going up supporting component can follow the first direction and change, first direction perpendicular to the upper surface of bottom plate, the lower surface of bottom plate is located to lower supporting component, the length of lower supporting component can follow the second direction and change, the lower surface of second direction perpendicular to bottom plate, the side supporting component is located on the bottom plate, the length of side supporting component can follow the third direction and change, the third direction is on a parallel with the upper surface or the lower surface of bottom plate, suspension assembly includes the piece that lifts by crane, the piece that lifts by crane is located on the bottom plate, the fourth direction motion can be followed to the piece that lifts by crane, the upper surface of fourth direction perpendicular to bottom plate.
2. The coal mine roadway unit support handling apparatus of claim 1, wherein: the bottom plate is a rectangular plate.
3. The coal mine roadway unit support handling apparatus of claim 2, wherein: the upper support assembly is two, two upper support assemblies are arranged on the bottom plate and are respectively located on two sides of the length direction of the bottom plate, each upper support assembly comprises a first telescopic piece, a second telescopic piece and a top rod, each first telescopic piece and each second telescopic piece are arranged on the bottom plate and are respectively located on two sides of the width direction of the bottom plate, the fixed end of each first telescopic piece is connected with the bottom plate, the telescopic end of each first telescopic piece linearly extends upwards, the fixed end of each second telescopic piece is connected with the bottom plate, the telescopic end of each second telescopic piece linearly extends upwards, and two ends of each top rod are respectively hinged with the telescopic end of each first telescopic piece and the telescopic end of each second telescopic piece.
4. The coal mine roadway unit support handling apparatus of claim 2, wherein: the bottom plate is provided with two lower support assemblies, the two lower support assemblies are arranged on the bottom plate and are respectively located at two sides of the length direction of the bottom plate, each lower support assembly comprises a third telescopic piece and a fourth telescopic piece, each third telescopic piece and each fourth telescopic piece are arranged on the bottom plate and are respectively located at two sides of the width direction of the bottom plate, the fixed end of each third telescopic piece is connected with the bottom plate, the telescopic end of each third telescopic piece linearly extends downwards, the fixed end of each fourth telescopic piece is connected with the bottom plate, and the telescopic end of each fourth telescopic piece linearly extends downwards.
5. The coal mine tunnel unit support handling apparatus of claim 4, wherein: the lower support assembly further comprises universal wheels, and one universal wheel is arranged at the end parts of the telescopic ends of the first telescopic piece and the second telescopic piece respectively.
6. The coal mine roadway unit support handling apparatus of claim 2, wherein: the suspension assembly further comprises a fifth telescopic piece and a sixth telescopic piece, the fixed end of the fifth telescopic piece is connected with the bottom plate, the telescopic end of the fifth telescopic piece extends upwards in a straight line, the fixed end of the sixth telescopic piece is connected with the telescopic end of the fifth telescopic piece in a rotating mode, the telescopic end of the fifth telescopic piece extends horizontally in a straight line, and the lifting piece is arranged at the telescopic end of the fifth telescopic piece.
7. The coal mine roadway unit support handling apparatus of claim 1, wherein: the side support components are two, the two side support components are arranged on the bottom plate and are respectively located on two sides of the length direction of the bottom plate, the side support components comprise a seventh telescopic piece and an eighth telescopic piece, the seventh telescopic piece and the eighth telescopic piece are arranged on the bottom plate and are respectively located on two sides of the width direction of the bottom plate, and the directions of the seventh telescopic piece and the eighth telescopic piece are opposite.
8. The coal mine roadway unit support handling apparatus of claim 7, wherein: the horizontal heights of the seventh telescopic piece and the eighth telescopic piece are the same.
9. The coal mine roadway unit support handling apparatus of claim 7, wherein: the fixed end of the seventh telescopic member is connected with the bottom plate, and the telescopic end of the seventh telescopic member horizontally extends away from the direction of the bottom plate.
10. The coal mine roadway unit support handling apparatus of claim 7, wherein: the fixed end of the eighth telescopic piece is connected with the bottom plate, and the telescopic end of the eighth telescopic piece horizontally extends away from the direction of the bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321166915.0U CN219823490U (en) | 2023-05-15 | 2023-05-15 | Coal mine tunnel unit support carrying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321166915.0U CN219823490U (en) | 2023-05-15 | 2023-05-15 | Coal mine tunnel unit support carrying device |
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| Publication Number | Publication Date |
|---|---|
| CN219823490U true CN219823490U (en) | 2023-10-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321166915.0U Active CN219823490U (en) | 2023-05-15 | 2023-05-15 | Coal mine tunnel unit support carrying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219823490U (en) |
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2023
- 2023-05-15 CN CN202321166915.0U patent/CN219823490U/en active Active
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