CN114856686A - Coal mine continuous digging filling carrying device - Google Patents

Coal mine continuous digging filling carrying device Download PDF

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Publication number
CN114856686A
CN114856686A CN202210579496.7A CN202210579496A CN114856686A CN 114856686 A CN114856686 A CN 114856686A CN 202210579496 A CN202210579496 A CN 202210579496A CN 114856686 A CN114856686 A CN 114856686A
Authority
CN
China
Prior art keywords
arm
supporting
coal mine
carrying device
limiting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210579496.7A
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Chinese (zh)
Inventor
谭毅
郭文兵
白二虎
王开
吕文玉
李洪彪
蔡秀凡
宋瑞涛
李小双
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Henan University of Technology
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Henan University of Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Henan University of Technology filed Critical Henan University of Technology
Priority to CN202210579496.7A priority Critical patent/CN114856686A/en
Publication of CN114856686A publication Critical patent/CN114856686A/en
Pending legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F13/00—Transport specially adapted to underground conditions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
    • B65G17/12—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface comprising a series of individual load-carriers fixed, or normally fixed, relative to traction element
    • B65G17/123—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface comprising a series of individual load-carriers fixed, or normally fixed, relative to traction element arranged to keep the load-carriers horizontally during at least a part of the conveyor run
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
    • B65G17/30—Details; Auxiliary devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
    • B65G17/30—Details; Auxiliary devices
    • B65G17/32—Individual load-carriers
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F13/00—Transport specially adapted to underground conditions
    • E21F13/04—Transport of mined material in gravity inclines; in staple or inclined shafts
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F15/00—Methods or devices for placing filling-up materials in underground workings
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Chain Conveyers (AREA)

Abstract

The invention discloses a coal mine continuous digging filling carrying device, which comprises: the first pipe body is vertically embedded into the first conveying well; the second pipe body is vertically embedded into a second conveying well, and the second conveying well is positioned on one side of the first conveying well; the transmission wheels are symmetrically arranged up and down and can rotate, a chain is connected between the two transmission wheels in a transmission manner, and the chain penetrates through the first pipe body and the first pipe body; and a plurality of unidirectional supporting components which are arranged on the chain in an array and are used for stretching and supporting the filling bodies in the first tube body and accommodating the filling bodies in the second tube body.

Description

Coal mine continuous digging filling carrying device
Technical Field
The invention relates to the technical field of filling and carrying, in particular to a coal mine continuous excavation filling and carrying device.
Background
In the coal mining process, in order to guarantee the stability of collecting space area, prevent that ground from producing the condition of collapsing, often need utilize the obturator to fill collecting space area, wherein the obturator is including utilizing waste rock, building rubbish and fly ash etc., so can also promote the recovery rate of coal resource, solve solid useless problem of handling simultaneously, when the colliery is tunneled in succession, it is comparatively important to guarantee how the obturator lasts stably to send into in the pit from ground, present carrying device often has the input many, the poor problem of continuity.
Therefore, there is a need to provide a coal mine continuous excavation filling carrier to solve the above problems.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: a coal mine continuous digging filling carrying device comprises:
the first pipe body is vertically embedded into the first conveying well;
the second pipe body is vertically embedded into a second conveying well, and the second conveying well is positioned on one side of the first conveying well;
the transmission wheels are symmetrically arranged up and down and can rotate, a chain is connected between the two transmission wheels in a transmission manner, and the chain penetrates through the first pipe body and the first pipe body; and
and a plurality of unidirectional support assemblies arranged in an array on the chain for extending and supporting the filling bodies in the first tube and for receiving in the second tube.
Further, preferably, the first pipe body has a first inner diameter, and the second pipe body has a second inner diameter smaller than the first inner diameter.
Further, preferably, the one-way supporting assembly includes:
one end of the sliding seat is connected with the chain, and the other end of the sliding seat is hinged with a supporting arm;
the mounting plates are arranged in an array along the length direction of the supporting arm and are fixed on the supporting arm;
the support arm is arranged on the mounting plate; and
the mounting plate is arranged on the support arm, the support arm is arranged on the support arm, the mounting plate is arranged on the support arm, the support arm can be supported by the one-way support seat, and the one-way support seat is fixed on one side of the sliding seat.
Preferably, a light-weight limiting plate is further fixed on the sliding seat, and when the supporting arm is located in the first pipe body, the one-way supporting seat and the limiting arm provide limiting and supporting for the supporting arm; when the supporting arm is located in the second pipe body, the light-weight limiting plate provides limiting and supporting for the supporting arm.
Further, as preferred, the one end of spacing arm is articulated to the layer board, and the other end is the free end, the layer board is fixed in the middle part of support arm, it has the regulation pole still to articulate between spacing arm and the layer board.
Further, as the preferred, the support arm is connected to the mounting plate in a rotating manner around an R axis, a telescopic rod is fixed to one end, away from the support arm, of the support arm, a support pad is fixed to the output end of the telescopic rod, and two adjacent support pads are connected through a chain.
Further, preferably, the one-way support seat has a support groove.
Further, as preferred, the first body and the second body are all fixed with along the spacing track of axial distribution in the one side that is close to each other, spacing track is the I shape, the sliding seat is the cell type, and limiting block is fixed with to its notch department symmetry for with spacing track slip spacing continuous.
Further, as preferred, the below of first body is provided with clearance transmission subassembly, the bottom of clearance transmission subassembly is provided with damping assembly, clearance transmission subassembly includes:
the wheel seats are distributed in an array mode and are fixed on the bottom plate through upright posts;
synchronous wheels symmetrically and rotatably arranged on the wheel seat, and a synchronous belt is also connected between the two synchronous wheels in a transmission way; and
the driving wheel is used for driving the synchronous belt to rotate;
and the driving wheels are coaxially and fixedly connected and driven by an external motor.
Further, preferably, the vibration damping module includes:
the vibration reduction device comprises two groups of vibration reduction bins which are symmetrically arranged, wherein each group of vibration reduction bins is a plurality of vibration reduction bins arranged in an array;
the bottom of the damping arm is arranged in the damping bin in a sealing and sliding manner by adopting a piston, and the top of the damping arm is connected with the bottom plate;
one end of the branch pipe is communicated to the bottom of the vibration reduction bin, and the other end of the branch pipe is collected into the air supply pipe; and
and the pressure relief pipe is communicated with the side surface of the vibration reduction bin and is converged in the pressure relief main pipe, and the pressure relief main pipe is provided with a pressure relief valve.
Compared with the prior art, the invention provides a coal mine continuous excavation filling carrying device, which has the following beneficial effects:
in the embodiment of the invention, the fillers can be supported one by one and conveyed into a roadway by matching the driving wheel, the chain and the one-way supporting component, and the one-way supporting component can extend in the first pipe body and support the fillers and is accommodated in the second pipe body, so that the second inner diameter of the second pipe body can be configured to be smaller than the first inner diameter of the first pipe body, the construction amount is reduced to a great extent, and the input of the pipe bodies is reduced.
Drawings
FIG. 1 is a schematic view of the overall structure of a coal mine continuous excavation filling carrier;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 3 is a schematic view of the gap transfer assembly and damping assembly in a coal mine continuous excavation filling carrier;
FIG. 4 is a schematic perspective view of a gap transfer assembly and a damping assembly in a coal mine continuous excavation filling carrier;
in the figure: 1. a first pipe body; 2. a second tube body; 3. a driving wheel; 4. a chain; 5. a unidirectional support assembly; 6. a gap transfer assembly; 7. a vibration reduction assembly; 8. a horizontal transfer assembly; 21. a limiting track; 51. a sliding seat; 52. a support arm; 53. mounting a plate; 54. a support arm; 55. a telescopic rod; 56. a support pad; 57. a support plate; 58. a limiting arm; 59. adjusting a rod; 510. a one-way supporting seat; 511. a light limiting plate; 61. a base plate; 62. a wheel seat; 63. a column; 64. a synchronizing wheel; 65. a drive wheel; 66. a synchronous belt; 71. a damping arm; 72. a vibration damping bin; 73. pipe distribution; 74. a gas supply pipe; 75. and (4) a pressure relief pipe.
Detailed Description
Referring to fig. 1 to 4, the present invention provides a coal mine continuous excavation filling carrying device, including:
the first pipe body 1 is vertically embedded into the first conveying well;
a second pipe body 2 vertically embedded into a second conveying well, the second conveying well being located at one side of the first conveying well;
the transmission wheels 3 are symmetrically arranged up and down and can rotate, a chain 4 is connected between the two transmission wheels 3 in a transmission manner, and the chain 4 penetrates through the first pipe body 1 and the first pipe body 2; and
a plurality of unidirectional support elements 5, arranged in an array on said chain 4, for extending and supporting the filling bodies in the first tubes 1 and for housing them in the second tubes.
Further, the first pipe body 1 has a first inner diameter, and the second pipe body 2 has a second inner diameter smaller than the first inner diameter.
That is to say, in this embodiment, can support and send into the tunnel and carry one by one the obturator through the cooperation of drive wheel, chain and one-way supporting component 5 to send to the collecting space and fill, and, because one-way supporting component 5 can stretch and support the obturator in first body, and accomodate in the second body, consequently can configure the second internal diameter of second body to be less than the first internal diameter of first body, thereby reduced the construction volume to a great extent, reduced the input of body.
In this embodiment, as shown in fig. 2, the one-way supporting component 5 includes:
a sliding seat 51, one end of which is connected with the chain 4 and the other end of which is hinged with a supporting arm 52;
a plurality of mounting plates 53 arranged in an array along the length of the support arm 52, the mounting plates 53 being fixed to the support arm 52;
a support arm 54 provided on the mounting plate 53; and
the limiting arm 58 is arranged at one end of the mounting plate 53, which is far away from the supporting arm 54, the limiting arm 58 can be supported by a one-way supporting seat 510, and the one-way supporting seat 510 is fixed at one side of the sliding seat 51.
In addition, a light weight limiting plate 511 is fixed on the sliding seat 51, and when the supporting arm 52 is located in the first pipe body 1, the one-way supporting seat 510 and the limiting arm 58 provide limiting and supporting for the same; when the support arm 52 is located in the second body 2, it is restrained and supported by the weight-reduction restraining plate 511.
In a preferred embodiment, one end of the limiting arm 58 is hinged to the supporting plate 57, the other end is a free end, the supporting plate 57 is fixed to the middle of the supporting arm 52, and an adjusting rod 59 is hinged between the limiting arm 58 and the supporting plate 57.
The inclination angle of the limiting arm 58 can be adjusted through telescopic adjustment of the adjusting rod 59, so that the inclination angle of the supporting arm 52 when the supporting arm 52 is positioned in the first pipe body 1 is changed, and different blanking requirements can be met.
In a preferred embodiment, the supporting arm 54 is rotatably connected to the mounting plate 53 around an R-axis, an expansion link 55 is fixed to an end of the supporting arm 54 away from the supporting arm 52, a supporting pad 56 is fixed to an output end of the expansion link 55, and two adjacent supporting pads 56 are connected by a chain. The length of the chain body between two adjacent supporting pads 56 meets the requirement that the supporting pads 56 can move for a certain distance; in addition, the support arm 54 is driven to rotate, so that the distribution of the support points can be dispersed as a whole, and the overall support performance can be ensured.
In a preferred embodiment, the one-way bearing 510 has a supporting groove.
In this embodiment, the first pipe body 1 and the second pipe body 2 are fixed with the limiting rails 21 distributed along the axial direction on the side close to each other, the limiting rails 21 are i-shaped, the sliding seat 51 is a groove-shaped, and limiting blocks are symmetrically fixed on the notches of the sliding seat and are used for being connected with the limiting rails 21 in a sliding limiting manner.
In this embodiment, as shown in fig. 3 and 4, a gap transmission assembly 6 is disposed below the first pipe body 1, a damping assembly 7 is disposed at a bottom of the gap transmission assembly 6, and the gap transmission assembly 6 includes:
the wheel seats 62 are distributed in an array mode, and the wheel seats 62 are fixed on the bottom plate 61 through upright posts 63;
synchronous wheels 64 symmetrically and rotatably arranged on the wheel seat 62, and a synchronous belt 66 is connected between the two synchronous wheels 64 in a transmission way; and
a driving wheel 65 for driving the timing belt 66 to rotate;
and a plurality of driving wheels 65 are coaxially and fixedly connected and driven by an external motor.
The filling bodies are cut and discharged by utilizing gaps of the wheel seat pieces in the process of conveying the filling bodies through the arrangement of the plurality of wheel seats 62 distributed in an array mode, specifically, the filling bodies often comprise processed waste rocks, coal ash and the like, when the filling bodies are conveyed from top to bottom, the filling bodies are packaged by the bag bodies to ensure that the filling bodies do not scatter everywhere, and when the filling bodies fall into the gap conveying assembly 6, the bag bodies can be cut by cutter bodies (not shown in the drawing) between the wheel seats 62, so that the bag bodies scatter naturally, and the filling bodies can be conveyed through the horizontal conveying assembly 8 subsequently.
In this embodiment, the vibration damping module 7 includes:
two groups of vibration reduction bins 72 are symmetrically arranged, and each group of vibration reduction bins 72 is a plurality of vibration reduction bins arranged in an array;
the bottom of the damping arm 71 is arranged in the damping bin 72 in a sealing and sliding manner by adopting a piston, and the top of the damping arm is connected with the bottom plate 61;
one end of the branch pipe 73 is communicated to the bottom of the vibration damping bin 72, the other end of the branch pipe is converged into the air supply pipe 74, and the air supply pipe 74 is provided with a one-way valve so that air can enter the branch pipe 73 in a one-way mode; and
and the pressure relief pipe 75 is communicated with the side surface of the vibration damping cabin 72 and is collected in a pressure relief main pipe, and the pressure relief main pipe is provided with a pressure relief valve.
In the present embodiment, gas can be supplied into the gas supply pipe 74 by an external gas supply device, and then the gas enters into each damper chamber 72 through the branch pipe 73, so as to provide gas damping for the damper chambers 72.
When concrete implementation, can support the obturator one by one in first body through the cooperation of drive wheel, chain and one-way supporting component 5, later when the obturator is located the below position of first body, because one-way supporting component 5's deflection, the obturator falls into to clearance conveying assembly 6 on, and provide the buffering by damping component 7, later the obturator enters into to horizontal conveying assembly 8 after the cutting blanking on, thereby realize carrying in the tunnel, so that send to the collecting space area and fill.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.

Claims (10)

1. A coal mine continuous digging filling carrying device is characterized in that: the method comprises the following steps:
a first pipe body (1) vertically embedded into the first conveying well;
a second pipe (2) vertically embedded into a second conveying well, the second conveying well being located at one side of the first conveying well;
the transmission wheels (3) are arranged in an up-down symmetrical manner and can rotate, a chain (4) is connected between the two transmission wheels (3) in a transmission manner, and the chain (4) penetrates through the first pipe body (1) and the first pipe body (2); and
a plurality of unidirectional support elements (5) arranged in an array on said chain (4) for stretching and supporting the filling bodies in the first tubes (1) and for housing them in the second tubes.
2. The coal mine continuous excavation filling carrying device according to claim 1, wherein: the first tube (1) has a first inner diameter and the second tube (2) has a second inner diameter, the second inner diameter being smaller than the first inner diameter.
3. The coal mine continuous excavation filling carrying device according to claim 1, wherein: the unidirectional support assembly (5) comprises:
one end of the sliding seat (51) is connected with the chain (4), and the other end is hinged with a supporting arm (52);
a plurality of mounting plates (53) arranged in an array along the length direction of the support arm (52), wherein the mounting plates (53) are fixed on the support arm (52);
a support arm (54) provided on the mounting plate (53); and
the limiting arm (58) is arranged at one end, far away from the supporting arm (54), of the mounting plate (53), the limiting arm (58) can be supported by a one-way supporting seat (510), and the one-way supporting seat (510) is fixed on one side of the sliding seat (51).
4. The coal mine continuous excavation filling carrying device according to claim 3, wherein: a light-weight limiting plate (511) is further fixed on the sliding seat (51), and when the supporting arm (52) is located in the first pipe body (1), the one-way supporting seat (510) and the limiting arm (58) provide limiting and supporting for the supporting arm; when the supporting arm (52) is positioned in the second pipe body (2), the light weight limiting plate (511) provides limiting and supporting for the supporting arm.
5. The coal mine continuous excavation filling carrying device according to claim 3, wherein: one end of the limiting arm (58) is hinged to the supporting plate (57), the other end of the limiting arm is a free end, the supporting plate (57) is fixed in the middle of the supporting arm (52), and an adjusting rod (59) is hinged between the limiting arm (58) and the supporting plate (57).
6. The coal mine continuous excavation filling carrying device according to claim 3, wherein: the support arm (54) is connected to the mounting plate (53) in a rotating mode around an R axis, an expansion rod (55) is fixed to one end, far away from the support arm (52), of the support arm (54), a support pad (56) is fixed to the output end of the expansion rod (55), and two adjacent support pads (56) are connected through a chain body.
7. The coal mine continuous excavation filling carrying device according to claim 3, wherein: the one-way supporting seat (510) is provided with a supporting groove.
8. The coal mine continuous excavation filling carrying device according to claim 3, wherein: one side that first body (1) and second body (2) are close to each other all is fixed with along the spacing track (21) of axial distribution, spacing track (21) are the I shape, sliding seat (51) are the cell type, and its notch department symmetry is fixed with the spacing piece for slide spacing with spacing track (21) and link to each other.
9. The coal mine continuous excavation filling carrying device according to claim 1, wherein: the below of first body (1) is provided with clearance transmission subassembly (6), the bottom of clearance transmission subassembly (6) is provided with damping assembly (7), clearance transmission subassembly (6) include:
the wheel seats (62) are distributed in an array mode, and the wheel seats (62) are fixed on the bottom plate (61) through upright posts (63);
synchronous wheels (64) symmetrically and rotatably arranged on the wheel seat (62), and a synchronous belt (66) is connected between the two synchronous wheels (64) in a transmission way; and
a driving wheel (65) for driving the synchronous belt (66) to rotate;
and a plurality of driving wheels (65) are coaxially and fixedly connected and driven by an external motor.
10. The coal mine continuous excavation filling carrying device according to claim 9, wherein: the damping assembly (7) comprises:
two groups of vibration reduction bins (72) are symmetrically arranged, and a plurality of vibration reduction bins (72) are arranged in an array;
the bottom of the damping arm (71) is arranged in the damping bin (72) in a sealing and sliding mode through a piston, and the top of the damping arm is connected with the bottom plate (61);
one end of the branch pipe (73) is communicated to the bottom of the vibration damping bin (72), and the other end of the branch pipe is collected into the air supply pipe (74); and
and the pressure relief pipe (75) is communicated with the side surface of the vibration reduction bin (72) and is gathered in a pressure relief main pipe, and the pressure relief main pipe is provided with a pressure relief valve.
CN202210579496.7A 2022-05-25 2022-05-25 Coal mine continuous digging filling carrying device Pending CN114856686A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210579496.7A CN114856686A (en) 2022-05-25 2022-05-25 Coal mine continuous digging filling carrying device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210579496.7A CN114856686A (en) 2022-05-25 2022-05-25 Coal mine continuous digging filling carrying device

Publications (1)

Publication Number Publication Date
CN114856686A true CN114856686A (en) 2022-08-05

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Application Number Title Priority Date Filing Date
CN202210579496.7A Pending CN114856686A (en) 2022-05-25 2022-05-25 Coal mine continuous digging filling carrying device

Country Status (1)

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CN (1) CN114856686A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117864653A (en) * 2024-03-12 2024-04-12 泰州市中盛机电有限公司 Film rack based on articulated can adjust

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117864653A (en) * 2024-03-12 2024-04-12 泰州市中盛机电有限公司 Film rack based on articulated can adjust
CN117864653B (en) * 2024-03-12 2024-05-31 泰州市中盛机电有限公司 Film rack based on articulated can adjust

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