CN209761465U - Non-repeated support advance support and carrying complete equipment - Google Patents
Non-repeated support advance support and carrying complete equipment Download PDFInfo
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- CN209761465U CN209761465U CN201822173612.7U CN201822173612U CN209761465U CN 209761465 U CN209761465 U CN 209761465U CN 201822173612 U CN201822173612 U CN 201822173612U CN 209761465 U CN209761465 U CN 209761465U
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- 239000003245 coal Substances 0.000 abstract description 7
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- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000011111 cardboard Substances 0.000 description 6
- 239000002184 metal Substances 0.000 description 3
- 238000005065 mining Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Abstract
A non-repeated support advance support and carrying complete equipment comprises two parts, namely a self-moving type advance support, which comprises a top beam, a base, a bottom plate, a stand column, a side pushing jack and a supporting jack, wherein the side self-moving of the support is realized through the alternate action of the side pushing jack and the supporting jack; and the other is a stepping guide rail type self-moving platform which comprises a supporting platform I, a supporting platform II, a guide rail component, a walking device, an intermediate connecting rod, a pushing jack and a telescopic jack, wherein the supporting platform moves back and forth through the alternate action of the pushing jack and the telescopic jack. The utility model has simple structure, easy manufacture and processing, convenient operation and use, can realize the purpose of no repeated support of the forepoling and improve the management level of the tunnel roof; the supporting and carrying equipment is utilized to move the forepoling from the rearmost end of the forepoling area of the coal mine roadway to the position to be supported at the foremost end, and the whole process is mechanized.
Description
Technical Field
The utility model relates to a coal mine machinery, a colliery is super front area in pit struts and transport complete sets specifically says so.
Background
According to the requirements of coal mine safety regulations: supporting needs to be reinforced within the influence range of the advance pressure of all the safety outlets and the roadway connection parts of the coal face, and the length of the roadway for reinforcing the supporting is not less than 20 m; the roadway height of the comprehensive mechanized coal mining working face in the range cannot be lower than 1.8m, and the roadway height of other coal mining working faces in the range cannot be lower than 1.6 m. At present, a domestic mine is generally supported by a single prop and a pi-shaped beam or a forward-moving type advance support in a section, and the working efficiency and the mechanization degree of the single prop and the pi-shaped beam are lower; although the latter operation is simple and convenient, the supporting mode can repeatedly support the top plate, is not beneficial to the safety management and maintenance of the top plate, is easy to cause the breakage of the top plate, and has obvious defects. In addition, the few mine advance support and rubber wheel carrier vehicle advance support process methods with good underground conditions are adopted, the rubber wheel carrier vehicle is limited by the working conditions, the rubber wheel carrier vehicle is large in size, the requirement on the size of the cross section of the roadway is high, and the rubber wheel carrier vehicle is not suitable for small and medium-sized mines.
Disclosure of Invention
the utility model aims at: a non-repeated support advance support and carrying complete equipment is designed, the advance support is moved from the rearmost end of an advance area of a roadway to the foremost position to be supported, and the whole process mechanization is realized. The device comprises a self-moving type advance support and a stepping guide rail type self-moving platform, wherein the self-moving type advance support can realize lateral self-moving, the advance support is moved to the stepping guide rail type self-moving platform by a self-moving mechanism, the stepping guide rail type self-moving platform can realize the movement in the front-back direction, the advance support is carried to move from the rearmost end to the foremost end of an advance area, then the advance support is detached from the guide rail type self-moving platform by the self-moving mechanism of the advance support and is moved to positions to be supported at two sides, the mechanized propelling of the advance support is realized, and the difficult problems that the advance area of a coal mine roadway is repeatedly supported and a top plate is damaged are solved.
Realize the utility model discloses technical scheme that the purpose was taken as follows: the self-moving type forepoling consists of a top beam, a base, a bottom plate, a stand column, a side-push jack and a support jack, wherein the top beam is of a box-type structure, the lower part of the base is of a box-type structure, and two sides of the base are respectively fixed with a horizontal connecting plate upwards through the support; the upper ends of the two upright posts are connected with the top beam, the lower ends of the two upright posts are connected with the base, and the two upright posts are connected by a fixed connecting device; the bottom plate is an L-shaped plate, the plate in the horizontal direction is arranged below the base, two cylindrical cavities are horizontally designed in the base, two side-pushing jacks are respectively arranged in the two cylindrical cavities, positioning sleeves are arranged on the vertical plate of the bottom plate corresponding to the two cylindrical cavities on the base, the front ends of the two side-pushing jacks are fixed on the positioning sleeves on the vertical plate, the rear ends of the two side-pushing jacks are fixedly connected with the base through pin shafts, and the bottom plate is connected with the base through the side-pushing jacks to form a self-moving mechanism; two of four supporting jacks are arranged on one side of the base respectively, the upper ends of the supporting jacks are connected below the connecting plates on the two sides of the base, and the lower ends of the supporting jacks are connected to a fixed seat.
Fixed connection device constitute by T type pillar, semi-circular arc clamp plate and bolt, T type pillar setting intermediate position on the base, both ends all have a semi-circular arc cardboard above the T type pillar, two semi-circular arc cardboards block respectively in two stand inboards, two semi-circular arc clamp plates block respectively in the stand outside, be connected and lock with the semi-circular arc clamp plate through two semi-circular arc cardboards at both ends above the T type pillar.
A cylindrical cavity is arranged between the two cylindrical cavities on the base, a guide rod is arranged in the cylindrical cavity, and the front end part of the guide rod is fixed on the positioning sleeve on the vertical plate and can slide in the cylindrical cavity relative to the base.
The connecting parts of the two ends of the side-pushing jack and the supporting jack are cylindrical, and pin shaft holes used for being connected with related components are formed in the front part of the piston rod and the rear part of the cylinder body.
The stepping guide rail type self-moving platform consists of a supporting platform I, a supporting platform II, a guide rail assembly, a walking device, an intermediate connecting rod, a pushing jack and a telescopic jack, wherein the supporting platform II is of a U-shaped structure, two ends of the supporting platform II are box-shaped, the middle of the supporting platform II is a flat plate, and the two supporting platforms I are of box-shaped structures, are respectively arranged at two ends of the supporting platform II and are fixedly connected to the supporting platform II; telescopic jack connecting devices are respectively arranged on two sides of the outer end of the supporting platform I; the guide rail assemblies consist of two guide rails and a connecting cross beam, the two guide rail assemblies are arranged outside two ends of the two supporting platforms I respectively, one connecting rod at one side is used for connecting the two guide rail assemblies together, the pushing jack is arranged in the horizontal direction, one end of the pushing jack is arranged on the connecting cross beam, and the other end of the pushing jack is arranged on the supporting platform I; the walking device consists of walking wheels and a walking frame, and the lower end of the walking frame is connected to the guide rail through a clamping plate; four telescopic jack set up respectively in the left and right sides of supporting platform I, and telescopic jack upper end is connected respectively on I both sides of supporting platform, and the lower extreme is connected respectively on running gear's walking frame.
Two guide rails of the guide rail assembly are respectively arranged on two guide rail bases on two sides, the guide rail bases are flat-shaped, and anti-skid strips are transversely and uniformly distributed on the bottom surfaces; the front ends of the two guide rails are respectively provided with an ear plate for connecting the connecting rod.
One side or two sides of the pushing jack are arranged.
The hydraulic control system belongs to the conventional technology, and the hydraulic control system of the device can be designed by persons of ordinary skill in the art, and is not described in detail herein.
The utility model has the advantages that: the structure is simple, the manufacture and the processing are easy, and the operation and the use are convenient; the control valve is used for controlling the extension and retraction of an upright post of the fore support to realize the supporting and the jacking of the fore support, the control valve is used for controlling the extension and retraction of a supporting jack and a side pushing jack to realize the lateral movement of the fore support, so that the fore support is automatically moved to the stepping guide rail type self-moving platform, the advancing jack and the extension jack on the stepping guide rail type self-moving platform are alternatively extended and retracted to realize the forward movement of the stepping guide rail type self-moving platform, after the fore support is moved to the foremost end of the advancing area of the roadway, the control valve is used for controlling the extension and retraction of the supporting jack and the side pushing jack of the fore support again to move the fore support from the stepping guide rail type self-moving platform to positions to be supported on two sides of the roadway; the equipment can realize repeated support without advance areas, ensure the integrity of the top plate, improve the management level of the roadway top plate and ensure higher carrying efficiency.
Drawings
FIG. 1 is a schematic structural view of a self-moving type forepoling bracket; FIG. 2 is a left side view of FIG. 1; FIG. 3 is a schematic view of a side-pushing mechanism; FIG. 4 is a schematic view of a base plate structure; FIG. 5 is a left side view of FIG. 4; FIG. 6 is a schematic view of a base structure with T-shaped pillars; FIG. 7 is a top view of FIG. 6; FIG. 8 is a schematic view of a fixing seat on the supporting jack; FIG. 9 is a schematic view of a lower fixing seat of the supporting jack; FIG. 10 is a schematic view of the profile of a side-pushing jack and a supporting jack; FIG. 11 is a schematic structural view of a step-by-step rail-type self-moving platform; FIG. 12 is a top view of FIG. 11; FIG. 13 is a schematic structural view of a support platform I; FIG. 14 is a left side view of FIG. 13; FIG. 15 is a schematic structural view of a support platform II; FIG. 16 is a top view of FIG. 15; FIG. 17 is a schematic view of a rail assembly; FIG. 18 is a top view of FIG. 17; FIG. 19 is a left side cross-sectional view of FIG. 17; FIG. 20 is a schematic view of a walking device; FIG. 21 is a left side view of FIG. 20; FIG. 22 is a schematic view showing the installation relationship of the telescopic jack on the support platform I and the walking device; FIG. 23 is a schematic view of the structure of the intermediate connecting rod; FIG. 24 is a plan view of a lead frame in the lead zone; FIG. 25 is a schematic view of an initial state of a step-by-step rail-type self-moving platform; FIG. 26 is a schematic view of a retracted state of a stepping guide rail type self-moving platform pushing jack; FIG. 27 is a schematic view showing a pushing-out state of the pushing jack of the step guide type self-moving platform (the same as the initial state).
Detailed Description
As shown in fig. 1 and 2, the self-moving type forepoling comprises a top beam 1, a base 2, a bottom plate 3, an upright post 5, a side pushing jack 6 and a supporting jack 7, wherein the top beam 1 is of a box-type structure, the lower part of the base 2 is of a box-type structure, two sides of the base are upwards welded with a bracket 19, the bracket 19 is respectively welded with a horizontal connecting plate 20, and the connecting plate 20 is respectively provided with 8 bolt holes (as shown in fig. 6 and 7); the piston rod of two stands 5 upper ends is through the fixed back timber 1 of round pin axle 8, the lower extreme is fixed on base 2 through round pin axle 8, connect by fixed connection device between two stands 5, fixed connection device is by T type pillar 14, semi-circular arc clamp plate 4 and bolt 10 are constituteed, T type pillar 14 is box, the welding is intermediate position (as attached 6 on base 2, 7), both ends all have a semi-circular arc cardboard above T type pillar 14, two semi-circular arc cardboards block respectively in two stands 5 inboards, two semi-circular arc clamp plates 4 block respectively in the stand 5 outsides, two semi-circular arc cardboards and the semi-circular arc clamp plate 4 at both ends are connected and are locked above T type pillar 14 through bolt 10. The bottom plate 3 is an L-shaped plate (as shown in figures 4 and 5), the plate in the horizontal direction is arranged below the base 2, three positioning sleeves 15 are arranged outside the vertical plate 17, three cylindrical cavities are horizontally designed at two ends and in the middle of the base 2, two side-push jacks 6 are respectively arranged in the two cylindrical cavities at two sides, the front end part of each side-push jack is fixed on the positioning sleeve 15 on the vertical plate 17 through a pin shaft, the rear end of each side-push jack is fixed on the base 2 through a pin shaft 16, a guide rod 11 is arranged in the cylindrical cavity in the middle of the base 2, the front end part of each side-push jack is fixed on the positioning sleeve 15 on the vertical plate 17 through a pin shaft, the guide rod 11 is arranged in the cylindrical cavity in the base 2 and can slide relative to the base 2, the bottom plate 3 is connected with the base 2 through the side-push jacks 6 to form a, the guide rod 11 plays a role in guiding and stabilizing. Two supporting jacks 7 are arranged on one side of the base 2 and are respectively arranged on two sides of the base 2, two supporting jack upper fixing seats 12 are respectively connected below the connecting plates 20 on two sides of the base 2, each supporting jack upper fixing seat 12 consists of a square metal plate 21 and a cylindrical connecting seat 22 (shown in figure 8), each square metal plate 21 is provided with four bolt holes, the supporting jack upper fixing seats 12 are fixed below the connecting plates 20 through bolts, the end parts of piston rods at the upper ends of the supporting jacks 7 are inserted into the cylindrical connecting seats 22 on the supporting jack upper fixing seats 12, and the distributing shafts 9 are fixed on the supporting jack upper fixing seats 12; the lower end of the supporting jack 7 is connected to the supporting jack lower fixing seat 13, the supporting jack lower fixing seat 13 is composed of a rectangular metal plate 24 and two cylindrical connecting seats 23 (shown in the attached drawing 9), the lower ends of the two supporting jacks 7 on one side are inserted into the cylindrical connecting seats 23 on the supporting jack lower fixing seat 13, and the pin shaft 9 is fixed to the supporting jack lower fixing seat 13. The connecting parts of the two ends of the side-push jack 6 and the supporting jack 7 are both cylindrical (as shown in figure 10), and pin shaft holes are arranged at the end part of the piston rod and the cylinder bottom and used for connecting related parts. The base 2 is provided at each of its two side ends with an ear plate 18, which can also be used for connection to a towing device.
As shown in fig. 11 and 12, the step-by-step guide rail type self-moving platform includes a support platform i 25, a support platform ii 26, a guide rail assembly 27, a traveling device 28, a connecting rod 29, a pushing jack 30, and a telescopic jack 31, where the two support platforms i 25 are box-type structures, the left and right sides of one end are respectively welded with a bracket 34, the bracket 34 is respectively welded with a pair of telescopic jack connecting ear plates 35 and a limiting plate 36, and the other end of the support platform i 25 is welded with two pairs of pushing jack connecting ear plates 37 (as shown in fig. 13 and 14); the two ends of the supporting platform II 26 are of box-type structures and are connected through a bottom plate 26a, the whole supporting platform II is of a U-shaped structure (shown in figures 15 and 16), and the two ends of the supporting platform II are connected with the supporting platform I25 through bolts 33 to form a whole platform; the guide rail assembly 27 consists of guide rails 38 and 39 and a connecting cross beam 40, the two guide rail assemblies are provided with two sets, the two sets are respectively arranged at the outer sides of two ends of two supporting platforms I25, two pairs of lug plates 41 for installing the pushing jack 30 are arranged on the connecting cross beam, one end of the pushing jack 30 is connected with the lug plate 41 on the connecting cross beam 40 through a pin shaft 32, the other end of the pushing jack 30 is connected with the lug plate 3 on the supporting platform I25, and one side or two sides of the pushing jack 30 can be installed as required (only the pushing jack 30 on the right side is installed in; the two guide rails 38 and 39 of the guide rail assembly 27 are respectively arranged on two guide rail bases 42 at two sides, the guide rail bases 42 are flat, anti-skid strips 42a are transversely and uniformly distributed on the bottom surface to increase the friction resistance, and the front ends of the two guide rails 38 and 39 are respectively provided with lug plates 38a and 39a (shown in fig. 17 and 18) for connecting the connecting rod 29; the connecting rod 29 is formed by welding two lug plates 49 and a connecting rod made of round steel (as shown in figure 23) and is used for connecting the front guide rail assembly 27 and the rear guide rail assembly 27 to enable the two guide rail assemblies 27 to be connected into a whole (as shown in figure 11); the walking device 28 consists of walking wheels 45 and a walking frame 43, the walking wheels 45 are connected with the walking frame 43 through pin shafts 47 and fixed through a clamping plate 48, and the lower end of the walking frame 43 is respectively connected to the guide rails 38 and 39 through a clamping plate 44; four sets of walking devices 28 are provided, and each walking frame 43 is welded with a telescopic jack 31 connected with an ear plate 46; the four telescopic jacks 31 are respectively arranged at the left side and the right side of the supporting platform I25, the upper ends of the telescopic jacks 31 are respectively connected to the lug plates 35 at the two sides of the supporting platform I25 through pins and are fixedly connected through pin shafts 35a, and the lower ends of the telescopic jacks 31 are respectively connected to the lug plates 46 on the walking frame 43 through pin shafts 46a (as shown in figure 22); the running gear 28 is connected with the supporting platform I25 through the telescopic jack 31 and the pin shaft 35a, the running wheels 45 directly fall on the guide rails 38 and 39 of the guide rail assembly 27 and are fixed through the clamping plates 44, so that the running gear 28 and the guide rail assembly 27 are connected into a whole (as shown in figure 22).
The working principle is as follows: firstly, a stepping guide rail type self-moving platform is moved to the last group of advanced supports in the advance area of the roadway side by side, the self-moving advanced supports are moved to the stepping guide rail type self-moving platform from the support positions on the two sides of the roadway by using a self-moving mechanism, then the advanced supports are moved to the foremost end of the advance area of the roadway by using a travelling mechanism on the stepping guide rail type self-moving platform, then the self-moving advanced supports are moved to the positions to be supported on the two sides of the roadway from the stepping guide rail type self-moving platform by using the self-moving mechanism, the advanced supports are completely carried, and the rest is analogized.
As shown in fig. 24, the objective of the present invention is to move a self-moving forepoling 50 from a supporting position 52 to a foremost supporting position 51 in a forepoling area, and the specific moving path is shown by an arrow.
The specific operation steps are as follows:
The first step is to operate the self-moving type forepoling 50 to move the self-moving type forepoling from the supporting position 52 to the stepping guide rail type self-moving platform 53, and the specific flow is as follows: firstly, detaching a connecting rod 29 on a stepping guide rail type self-moving platform 53, which is close to the side of a self-moving advance support 50 to be moved, then withdrawing a piston rod of an upright post 5 of the self-moving advance support, reducing the height of a top beam 1 of the self-moving advance support to the lowest height, operating a side push jack 6, extending the piston rod, and integrally moving a base 2 of the self-moving advance support and a connecting member on the base in a step pitch of a side push jack stroke towards the extending direction of the piston rod; the supporting jack 7 is operated, the piston rod extends out, the lower fixing seat 13 of the supporting jack falls to contact the ground, the self-moving type forepoling is integrally lifted, and the bottom plate 3 is lifted along with the base 2; the jack 6 is pushed laterally to retract the piston rod, and the bottom plate 3 retracts along with the piston rod; and operating the supporting jack 7, withdrawing the piston rod, and dropping the base 2 on the ground to finish the movement of one step pitch, and performing cyclic operation until the base is moved to a stepping guide rail type self-moving platform 53 arranged in the middle of the roadway, wherein the specific placement position is on the supporting platform II 26.
The second step is to operate the stepping guide rail type self-moving platform 53 to move the platform from the rearmost end of the roadway advance area to the foremost end of the advance area, and the specific flow is as follows: the connecting rods 29 removed in the previous step are first installed, the front and rear rail assemblies 27 are connected as a whole, then the front and the back are extended out to form 4 telescopic jacks 31, so that the front and the back guide rail assemblies 27 are all contacted with the ground, and the supporting platform I25 and the supporting platform II 26 are integrally lifted (the pushing jack 30 can be installed on one side or two sides as required, only the right pushing jack 30 is installed in the embodiment, the attached figure 25 is an initial state), the right pushing jack 30 is retracted (as shown in the attached figure 26), because the walking device 28 is connected with the supporting platform I25 into a whole through the telescopic jack 31, the supporting platform I25 and the supporting platform II 26 are connected into a whole, therefore, when the pushing jack 30 retracts, the integral supporting platform is pulled by the traveling wheels of the traveling device 28 to move rightwards, and the integral supporting platform moves forwards (rightwards) by a step (as shown in fig. 26); and retracting the telescopic jack 31 to enable the whole supporting platform to contact the ground, lifting the front and rear four groups of guide rail assemblies 27 to extend out of the pushing jack 30, driving the right guide rail assembly 27 to move rightwards by the pushing jack 30, pulling the left guide rail assembly 27 to move rightwards by the connecting rod 29 (as shown in the attached drawing 27), completing one step (namely, recovering the initial state), and circulating the processes until the self-moving type advance support 50 is moved to the foremost end of the advance area.
The third step is to operate the self-moving type advance support 50 to move the self-moving type advance support from the stepping guide rail type self-moving platform 53 to the position 51 to be supported, and the specific flow is shown as the first step.
Claims (3)
1. A non-repeated support advance support and carrying complete equipment consists of a self-moving type advance support and a stepping guide rail type self-moving platform, wherein the self-moving type advance support consists of a top beam, a base, a bottom plate, a stand column, a side pushing jack and a supporting jack, the top beam is of a box-type structure, the lower part of the base is of a box-type structure, and two sides of the top beam are upwards fixed with a horizontal connecting plate through the support respectively; the upper ends of the two upright posts are connected with the top beam, the lower ends of the two upright posts are connected with the base, and the two upright posts are connected by a fixed connecting device; the bottom plate is an L-shaped plate, the plate in the horizontal direction is arranged below the base, two cylindrical cavities are horizontally designed in the base, two side-pushing jacks are respectively arranged in the two cylindrical cavities, positioning sleeves are arranged on the vertical plate of the bottom plate corresponding to the two cylindrical cavities on the base, the front ends of the two side-pushing jacks are fixed on the positioning sleeves on the vertical plate, the rear ends of the two side-pushing jacks are fixedly connected with the base through pin shafts, and the bottom plate is connected with the base through the side-pushing jacks to form a self-moving mechanism; four support jack one sides are two, set up respectively in the base both sides, and support jack top end connection is below the connecting plate of base both sides, and the lower extreme is connected on a fixing base, its characterized in that: the stepping guide rail type self-moving platform consists of a supporting platform I, a supporting platform II, a guide rail assembly, a walking device, a middle connecting rod, a pushing jack and a telescopic jack, wherein the supporting platform II is of a U-shaped structure, two ends of the supporting platform II are box-shaped, the middle of the supporting platform II is a flat plate, and the two supporting platforms I are of box-shaped structures, are respectively arranged at two ends of the supporting platform II and are fixedly connected to the supporting platform II; telescopic jack connecting devices are respectively arranged on two sides of the outer end of the supporting platform I; the guide rail assemblies consist of two guide rails and a connecting cross beam, the two guide rail assemblies are arranged outside two ends of the two supporting platforms I respectively, one connecting rod at one side is used for connecting the two guide rail assemblies together, the pushing jack is arranged in the horizontal direction, one end of the pushing jack is arranged on the connecting cross beam, and the other end of the pushing jack is arranged on the supporting platform I; the walking device consists of walking wheels and a walking frame, and the lower end of the walking frame is connected to the guide rail through a clamping plate; the four telescopic jacks are respectively arranged on the left side and the right side of the supporting platform I, the upper ends of the telescopic jacks are respectively connected to the two sides of the supporting platform I, and the lower ends of the telescopic jacks are respectively connected to the walking frame of the walking device; the self-moving type advance support moves from supporting positions on two sides of a roadway to a stepping guide rail type self-moving platform by using a self pushing mechanism, the self-moving type advance support is moved to the foremost end of an advance area of the roadway by using a walking mechanism on the stepping guide rail type self-moving platform, and the self-moving type advance support moves to positions to be supported on two sides of the roadway from the stepping guide rail type self-moving platform by using the self pushing mechanism.
2. The non-back-up support forepoling and handling kit of claim 1, wherein: two guide rails of the guide rail assembly are respectively arranged on two guide rail bases on two sides, the guide rail bases are flat-shaped, and anti-skid strips are transversely and uniformly distributed on the bottom surfaces; the front ends of the two guide rails are respectively provided with an ear plate for connecting the connecting rod.
3. The non-back-up support forepoling and handling kit of claim 1, wherein: one side or two sides of the pushing jack are arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822173612.7U CN209761465U (en) | 2018-12-24 | 2018-12-24 | Non-repeated support advance support and carrying complete equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822173612.7U CN209761465U (en) | 2018-12-24 | 2018-12-24 | Non-repeated support advance support and carrying complete equipment |
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| Publication Number | Publication Date |
|---|---|
| CN209761465U true CN209761465U (en) | 2019-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822173612.7U Expired - Fee Related CN209761465U (en) | 2018-12-24 | 2018-12-24 | Non-repeated support advance support and carrying complete equipment |
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| Country | Link |
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| CN (1) | CN209761465U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110985087A (en) * | 2020-01-01 | 2020-04-10 | 天地科技股份有限公司 | Self-moving type advance support device |
| CN111022093A (en) * | 2020-01-07 | 2020-04-17 | 广州力寄采矿设备有限公司 | Automatic support column erecting machine for mine |
| CN112160784A (en) * | 2020-08-13 | 2021-01-01 | 中国煤炭科工集团太原研究院有限公司 | Transportation crossheading alternate circulation support type advance support device and support method |
-
2018
- 2018-12-24 CN CN201822173612.7U patent/CN209761465U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110985087A (en) * | 2020-01-01 | 2020-04-10 | 天地科技股份有限公司 | Self-moving type advance support device |
| CN111022093A (en) * | 2020-01-07 | 2020-04-17 | 广州力寄采矿设备有限公司 | Automatic support column erecting machine for mine |
| CN112160784A (en) * | 2020-08-13 | 2021-01-01 | 中国煤炭科工集团太原研究院有限公司 | Transportation crossheading alternate circulation support type advance support device and support method |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191210 |