CN219855184U - Automatic construction device for flexible film bag sealing wall - Google Patents
Automatic construction device for flexible film bag sealing wall Download PDFInfo
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- CN219855184U CN219855184U CN202320848254.3U CN202320848254U CN219855184U CN 219855184 U CN219855184 U CN 219855184U CN 202320848254 U CN202320848254 U CN 202320848254U CN 219855184 U CN219855184 U CN 219855184U
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- hooking
- grouting
- mechanical arm
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- 238000010276 construction Methods 0.000 title claims abstract description 38
- 238000007789 sealing Methods 0.000 title claims abstract description 31
- 239000000523 sample Substances 0.000 claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims description 31
- 210000000078 claw Anatomy 0.000 claims description 7
- 239000012528 membrane Substances 0.000 abstract description 25
- 239000003245 coal Substances 0.000 abstract description 8
- 230000002146 bilateral effect Effects 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 9
- 230000009471 action Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000002585 base Substances 0.000 description 2
- 230000009194 climbing Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
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- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The utility model discloses an automatic construction device for a flexible film bag closed wall, which comprises a bearing vehicle body part, a flexible film bag hooking part, a grouting part and a centralized electric control part, wherein the bearing vehicle body part is provided with a flexible film bag hook; the bearing car body part comprises a left car body and a right car body which are arranged in bilateral symmetry, the front parts of the left car body and the right car body are connected through a connecting beam, the bottoms of the left car body and the right car body are respectively provided with a traveling device, and the left car body and the right car body are respectively provided with a lifting platform comprising a lifting driving device; the flexible die bag hooking part comprises a clamping hooking mechanical arm arranged on the lifting platform, and the clamping hooking mechanical arm is provided with a flexible die bag hooking clamping mechanical arm and a hooking video probe; the grouting part comprises a grouting pipe end clamping mechanical arm arranged on the lifting platform, and the grouting pipe end clamping mechanical arm is provided with a grouting pipe end clamping mechanical arm and a grouting video probe. The utility model can realize the rapid construction of the flexible membrane bag sealing wall, and is particularly suitable for the construction of the flexible membrane bag sealing wall under a coal mine.
Description
Technical Field
The utility model relates to a sealing wall construction device, in particular to a flexible membrane bag sealing wall automatic construction device suitable for underground flexible membrane bag sealing wall construction of a coal mine, and belongs to the technical field of coal mine equipment.
Background
The underground coal mine sealing wall has certain supporting strength and plays a role in blocking and mainly comprises a goaf sealing wall, a blind roadway sealing wall, a firewall, a sealing water drainage wind shielding wall, a sealing roadway gas pumping and discharging wall and the like according to different roles of the sealing wall. The traditional airtight wall construction is usually constructed by manually using bricks or stones, so that the construction is time-consuming and labor-consuming, and the airtight wall has unsatisfactory sealing performance.
The method for constructing the sealing wall by filling the flexible mold bags is a new method developed in recent years, and is characterized in that after the top ends of the flexible mold bags and a top plate anchor net are positioned and supported in a multi-point hooking manner, the sealing wall is constructed by filling concrete into the flexible mold bags. The flexible mould bag is generally made of high-strength low-extension polypropylene fiber, polyester fiber and other synthetic fiber filaments, is manufactured by adopting a special process, has the advantages of wear resistance, bursting resistance, aging resistance, acid and alkali resistance, high tensile strength and the like, can control the strength, thickness and aperture according to design requirements so as to facilitate the installation of a supporting anchor rod penetrating through the flexible mould bag, and has the mechanical characteristics of close contact top, strong initial support, rapid resistance increase, high resistance and stable constant resistance. The mode of constructing the closed wall by adopting the soft mold bag filling has the advantages of high pouring speed, no recycling of the mold plate, good sealing property, simplicity, convenience, easiness in gas drainage pipeline drainage, suitability for high-water filling, paste filling and water sand filling and the like.
In the construction process of the flexible membrane bag filling construction airtight wall, the anchor net paved on the bottom plane of the top plate is often not completely flat because the top plate of the roadway formed by roadway exploitation is not of a standard plane structure, so that the multipoint hooking, positioning and supporting operation of the top end of the flexible membrane bag and the top plate anchor net is usually performed by adopting a manual operation mode, namely the multipoint hooking and positioning of the top end of the flexible membrane bag and the top plate anchor net are performed by the climbing operation of an operator, on one hand, the manual operation mode not only needs frequent climbing operation of the operator and has larger potential safety hazard, but also has lower paving operation efficiency of the flexible membrane bag; on the other hand, the grouting port of the flexible mold bag is usually positioned at the upper part of the flexible mold bag, so that an operator is still required to ascend to insert the grouting pipe into the grouting port of the flexible mold bag after the flexible mold bag is positioned and supported by the multi-point hook, and the problems of high potential safety hazard and low operation efficiency are also caused.
Disclosure of Invention
The utility model provides an automatic construction device for the flexible membrane bag sealing wall, which can realize filling grouting on the premise of realizing multi-point hooking and positioning of the flexible membrane bag, further realize rapid construction of the flexible membrane bag sealing wall, and is particularly suitable for construction of underground flexible membrane bag sealing walls of coal mines.
In order to achieve the above purpose, the automatic construction device for the flexible film bag sealing wall comprises a bearing vehicle body part, a flexible film bag hooking part, a grouting part and a centralized electric control part;
the bearing car body part comprises a left car body and a right car body which are arranged in bilateral symmetry, the front parts of the left car body and the right car body are connected through a connecting beam, the bottoms of the left car body and the right car body are respectively provided with a traveling device, and the left car body and the right car body are respectively provided with a lifting platform comprising a lifting driving device;
the flexible mold bag hooking part comprises clamping hooking mechanical arms which are respectively arranged on lifting platforms of the left car body and the right car body, the clamping hooking mechanical arms are at least provided with two degrees of freedom comprising an X coordinate driving mechanism along the front-back direction or a Y coordinate driving mechanism along the left-right direction and a Z coordinate driving mechanism along the up-down direction, the tail sections of the clamping hooking mechanical arms are provided with flexible mold bag hooking clamping mechanical arms comprising the clamping driving mechanisms, and the tail sections of the clamping hooking mechanical arms are also provided with hooking video probes;
the grouting part comprises a grouting pipe end clamping mechanical arm arranged on a lifting platform of the left car body or the right car body, the grouting pipe end clamping mechanical arm at least has two degrees of freedom comprising an X coordinate driving mechanism along the front-back direction and a Y coordinate driving mechanism along the left-right direction, the tail section of the grouting pipe end clamping mechanical arm is provided with a grouting pipe end clamping mechanical arm comprising a clamping driving mechanism, and the tail section of the grouting pipe end clamping mechanical arm is also provided with a grouting video probe;
the centralized electric control part comprises a controller, a walking control loop, a flexible mold bag hooking control loop and a grouting control loop, wherein the controller is respectively connected with a walking device and a lifting driving device of a bearing vehicle body part, a clamping hooking mechanical arm and a flexible mold bag hooking clamping mechanical arm of the flexible mold bag hooking part, and a grouting pipe end clamping mechanical arm and a grouting pipe end clamping mechanical flashlight of a grouting part, and the controller is respectively electrically connected with a hooking video probe and a grouting video probe.
As a further improvement scheme of the utility model, the automatic construction device for the flexible film bag sealing wall further comprises a prestress applying part, wherein the prestress applying part comprises a clamping rotary power head arranged on a lifting platform of the left vehicle body or the right vehicle body, the clamping rotary power head comprises a clamping claw, a clamping claw clamping mechanism and a clamping rotary mechanism, a base body of the clamping rotary power head at least comprises a Y-coordinate driving mechanism along the left-right direction, a prestress applying video probe is further arranged on the base body of the clamping rotary power head, and the clamping rotary power head and the prestress applying video probe are respectively electrically connected with a controller.
As a preferred embodiment of the utility model, the running gear carrying the body part is of crawler construction.
As a preferable mode of the utility model, the lifting driving device of the lifting platform is a scissor lifting structure.
As a further improvement scheme of the utility model, a plurality of clamping and hooking mechanical arms are uniformly distributed along the front-back direction of the lifting platform.
As a further improvement scheme of the utility model, the front parts of the left car body and the right car body are respectively hinged and connected with the two ends of the connecting cross beam.
As a further improvement of the present utility model, the centralized electric control part further includes a remote controller electrically connected to the controller.
As a further improvement of the utility model, the remote controller is in wireless connection with the controller, and a display screen is arranged on the remote controller.
Compared with the prior art, when the automatic construction device for the flexible film bag airtight wall is utilized for constructing the flexible film bag airtight wall, the traveling device action of the bearing car body part is controlled to enable the automatic construction device for the flexible film bag airtight wall to move and be positioned to a set airtight wall construction position, then an operator places the flexible film bag into a space between a left car body and a right car body, and uses the hook of the bearing car body part for hooking a top plate anchor net to clamp through a flexible film bag hook clamping manipulator, then the lifting driving device action of the bearing car body part is controlled to enable the lifting platform to be lifted to a set height of a top connection, the operator can use the feedback control of the hook video probe to clamp the hook manipulator and the flexible film bag hook clamping manipulator action to enable the flexible film bag hook clamping manipulator to be close to a nearest anchor net node, after the hooking operation of one hook position section in the front-back direction is completed, the lifting platform is firstly lowered, then the traveling device action of the bearing car body part is controlled to enable the automatic construction device for hooking the flexible film bag airtight wall to be clamped by the flexible film bag hook clamping manipulator, then the flexible film bag opening is used for clamping the top plate anchor bag hook clamping manipulator to the top plate anchor net hook clamping manipulator, the flexible film bag clamping manipulator is used for clamping the top plate clamping the flexible film bag, and the injection tube clamping operation is carried out by the clamping the end of the flexible film bag clamping manipulator in sequence, and the pipe clamping device is used for clamping the end opening of the flexible film bag is used for clamping the end bags by the pipe clamping the end of the flexible film bag in the pipe clamping operation of the machine in the front of the pipe clamping mode, and the pipe clamping device is used for clamping the pipe clamping the end of the device. The grouting pump is started to inject concrete into the flexible mold bag, the grouting pipe end clamping manipulator is withdrawn after grouting is completed, the grouting opening of the flexible mold bag is plugged, filling grouting can be realized on the premise of realizing multi-point hooking and positioning of the flexible mold bag, and further rapid construction of a flexible mold bag sealing wall is realized, and the grouting pump is particularly suitable for construction of underground flexible mold bags sealing walls of coal mines.
Drawings
FIG. 1 is a schematic view of the structure of the lifting platform of the present utility model in an un-lifted state;
FIG. 2 is a schematic view of the elevating platform in the raised state of the present utility model;
FIG. 3 is a right side view of FIG. 1;
FIG. 4 is a right side view of FIG. 2;
fig. 5 is a top view of fig. 3.
In the figure: 1. the device comprises a bearing car body part, 11, a left car body, 12, a right car body, 13, a connecting cross beam, 14, a lifting platform, 2, a flexible mold bag hooking part, 21, a clamping hooking mechanical arm, 22, a flexible mold bag hooking clamping mechanical arm, 3, a grouting part, 31, a grouting pipe end clamping mechanical arm, 32, a grouting pipe end clamping mechanical arm, 4, a prestress pre-application part, 41 and a clamping rotary power head.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings (hereinafter, the description will be made with the right direction of fig. 1 and 2 as the front).
As shown in fig. 1 and 2, the automatic construction device for the flexible film bag sealing wall comprises a bearing vehicle body part 1, a flexible film bag hooking part 2, a grouting part 3 and a centralized electric control part.
As shown in fig. 3 to 5, the carrier body portion 1 includes left and right car bodies 11 and 12 symmetrically disposed left and right, front portions of the left and right car bodies 11 and 12 are mounted and connected by a connecting beam 13, bottom portions of the left and right car bodies 11 and 12 are respectively provided with a traveling device, which may be a wheel type structure or a track structure, and in view of unevenness of a floor of a coal mine tunnel, the traveling device is preferably a track structure, and lifting platforms 14 including lifting driving devices, which may be a lifting telescopic cylinder structure or a scissor lifting structure, are respectively mounted on the left and right car bodies 11 and 12, and the lifting driving devices are preferably a scissor lifting structure in view of the scissor lifting structure not requiring an additional lifting guide mechanism.
The flexible mold bag hooking portion 2 includes a clamping and hooking mechanical arm 21 respectively provided on the lifting platforms 14 of the left and right vehicle bodies 11 and 12, the clamping and hooking mechanical arm 21 has at least two degrees of freedom including an X-coordinate driving mechanism in the front-rear direction or a Y-coordinate driving mechanism in the left-right direction and a Z-coordinate driving mechanism in the up-down direction, a distal section of the clamping and hooking mechanical arm 21 is provided with a flexible mold bag hooking clamping mechanical arm 22 including a clamping driving mechanism, and a distal section of the clamping and hooking mechanical arm 21 is further provided with a hooking video probe.
The grouting part 3 comprises a grouting pipe end clamping mechanical arm 31 arranged on a lifting platform 14 of the left car body 11 or the right car body 12, the grouting pipe end clamping mechanical arm 31 at least has two degrees of freedom comprising an X coordinate driving mechanism along the front-back direction and a Y coordinate driving mechanism along the left-right direction, the tail section of the grouting pipe end clamping mechanical arm 31 is provided with a grouting pipe end clamping mechanical arm 32 comprising a clamping driving mechanism, and the tail section of the grouting pipe end clamping mechanical arm 31 is also provided with a grouting video probe.
The centralized electric control part comprises a controller, a walking control loop, a flexible mold bag hooking control loop and a grouting control loop, wherein the controller is respectively electrically connected with a walking device and a lifting driving device of a bearing vehicle body part 1, a clamping hooking mechanical arm 21 and a flexible mold bag hooking clamping mechanical arm 22 of a flexible mold bag hooking part 2, and a grouting pipe end clamping mechanical arm 31 and a grouting pipe end clamping mechanical arm 32 of a grouting part 3, and the controller is respectively electrically connected with a hooking video probe and a grouting video probe.
When the automatic flexible membrane bag airtight wall construction device is utilized to construct the flexible membrane bag airtight wall, the lifting platform 14 of the bearing body part 1 is in a low position in the initial state, the traveling device action of the bearing body part 1 is controlled to enable the automatic flexible membrane bag airtight wall construction device to move and be positioned to a set airtight wall construction position, then an operator places the flexible membrane bag into a space between the left body 11 and the right body 12, the flexible membrane bag port is used for clamping a hook of a top plate anchor net through the flexible membrane bag hook clamping manipulator 22, then the lifting driving device action of the bearing body part 1 is controlled to enable the lifting platform 14 to be lifted to a set height of a top connection, the operator can control the clamping hook manipulator 21 and the flexible membrane bag hook clamping manipulator 22 to enable the flexible membrane bag hook clamping manipulator 22 to be close to an anchor net node closest to the hook, after the hooking operation of one hook position section in the front and back direction is completed, the lifting platform 14 is lowered, the traveling device of the bearing body part 1 is controlled to enable the automatic flexible membrane bag airtight wall to clamp the flexible membrane bag through the hook opening of the flexible membrane bag hook, and then the flexible membrane bag port is sequentially clamped by the flexible membrane bag port in sequence through the hook clamping manipulator of the hook clamping manipulator; after the pipe ends of the grouting pipes can be clamped by the grouting pipe end clamping mechanical arm 32, the grouting pipe end clamping mechanical arm 32 can send the pipe ends of the grouting pipes into the grouting opening of the flexible mold bag through the action of the grouting pipe end clamping mechanical arm 31 by the feedback control lifting platform 14 of the grouting video probe, the grouting pump can be started to inject concrete into the flexible mold bag, and after grouting is completed, the grouting pipe end clamping mechanical arm 32 is withdrawn and the grouting opening of the flexible mold bag is plugged.
In order to increase the strength of the flexible mold bag sealing wall, a supporting anchor rod penetrating through the flexible mold bag is usually installed on the flexible mold bag, and is usually installed before grouting and pre-tightening stress is applied to the supporting anchor rod after grouting. Therefore, in order to facilitate the application of the pre-tightening stress of the support anchor rod, as a further improvement scheme of the utility model, the automatic construction device of the flexible film bag sealing wall further comprises a pre-tightening part 4, the pre-tightening part 4 comprises a clamping rotary power head 41 arranged on the lifting platform 14 of the left car body 11 or the right car body 12, the whole clamping rotary power head 41 is similar to a lathe chuck, the whole clamping rotary power head comprises a clamping claw used for clamping an anchor rod nut, a claw clamping mechanism and a clamping rotary mechanism, a base body of the clamping rotary power head 41 at least comprises a Y-coordinate driving mechanism along the left-right direction, a pre-tightening video probe is further arranged on the base body of the clamping rotary power head 41, and the clamping rotary power head 41 and the pre-tightening video probe are respectively electrically connected with a controller. For the flexible mold bag sealing wall for isolating the goaf, the left vehicle body 11 or the right vehicle body 12 provided with the clamping rotary power head 41 can be correspondingly positioned at the goaf side during construction, after the hooking operation of one hooking position section in the front-back direction is completed, the clamping rotary power head 41 can be opposite to the extending end part of the supporting anchor rod by controlling the lifting of the lifting platform 14 and the front-back movement of the bearing vehicle body part 1 according to the feedback of the prestress application video probe, then the clamping rotary power head 41 is controlled to enable the clamping claw to firmly clamp the anchor rod nut and rotate for a set number of turns, the hooking operation of the next hooking position section can be performed after the clamping rotary power head 41 is reset, after grouting is completed, an operator does not need to enter the goaf, and the potential safety hazard that the operator enters the goaf is eliminated to the maximum extent by performing unidirectional rotation on the anchor rod nut of the supporting anchor rod positioned at the outer side of the goaf while applying the prestress to the support is further realized.
In order to improve the hooking efficiency of the same hooking position section and realize one-time lifting, a plurality of flexible mold bag hooks can be hooked, and as a further improvement scheme of the utility model, the clamping and hooking mechanical arms 21 are uniformly distributed along the front-back direction of the lifting platform 14.
In view of the unevenness of the roadway floor of the coal mine, in order to improve the self-adaptive capacity of the running gear when running on the roadway floor, as a further improvement of the utility model, the front parts of the left car body 11 and the right car body 12 are respectively hinged and connected with the two ends of the connecting cross beam 13.
In order to facilitate remote control operation, as a further improvement scheme of the utility model, the centralized electric control part also comprises a remote controller electrically connected with the controller, and in order to facilitate remote control, the remote controller is in wireless connection with the controller and is provided with a display screen.
Claims (8)
1. The automatic construction device for the flexible film bag closed wall is characterized by comprising a bearing vehicle body part (1), a flexible film bag hooking part (2), a grouting part (3) and a centralized electric control part;
the bearing vehicle body part (1) comprises a left vehicle body (11) and a right vehicle body (12) which are symmetrically arranged left and right, the front parts of the left vehicle body (11) and the right vehicle body (12) are connected through a connecting cross beam (13), the bottoms of the left vehicle body (11) and the right vehicle body (12) are respectively provided with a travelling device, and the left vehicle body (11) and the right vehicle body (12) are respectively provided with a lifting platform (14) comprising a lifting driving device;
the flexible die bag hooking part (2) comprises clamping hooking mechanical arms (21) which are respectively arranged on lifting platforms (14) of the left car body (11) and the right car body (12), the clamping hooking mechanical arms (21) at least have two degrees of freedom comprising an X coordinate driving mechanism along the front-back direction or a Y coordinate driving mechanism along the left-right direction and a Z coordinate driving mechanism along the up-down direction, the tail sections of the clamping hooking mechanical arms (21) are provided with flexible die bag hooking clamping mechanical arms (22) comprising the clamping driving mechanisms, and the tail sections of the clamping hooking mechanical arms (21) are also provided with hooking video probes;
the grouting part (3) comprises a grouting pipe end clamping mechanical arm (31) arranged on a lifting platform (14) of the left car body (11) or the right car body (12), the grouting pipe end clamping mechanical arm (31) at least has two degrees of freedom comprising an X coordinate driving mechanism along the front-back direction and a Y coordinate driving mechanism along the left-right direction, the tail section of the grouting pipe end clamping mechanical arm (31) is provided with a grouting pipe end clamping mechanical arm (32) comprising a clamping driving mechanism, and the tail section of the grouting pipe end clamping mechanical arm (31) is also provided with a grouting video probe;
the centralized electric control part comprises a controller, a walking control loop, a flexible mold bag hooking control loop and a grouting control loop, wherein the controller is respectively electrically connected with a walking device and a lifting driving device of a bearing vehicle body part (1), a clamping hooking mechanical arm (21) of the flexible mold bag hooking part (2), a flexible mold bag hooking clamping mechanical arm (22) and a grouting pipe end clamping mechanical arm (31) and a grouting pipe end clamping mechanical arm (32) of a grouting part (3), and the controller is respectively electrically connected with a hooking video probe and a grouting video probe.
2. The automatic flexible film bag closed wall construction device according to claim 1, further comprising a prestressing force prestressing part (4), wherein the prestressing force prestressing part (4) comprises a clamping rotary power head (41) arranged on a lifting platform (14) of the left vehicle body (11) or the right vehicle body (12), the clamping rotary power head (41) comprises a clamping claw, a clamping claw clamping mechanism and a clamping rotary mechanism, a base body of the clamping rotary power head (41) at least comprises a Y-coordinate driving mechanism along the left-right direction, a prestressing force applying video probe is further arranged on the base body of the clamping rotary power head (41), and the clamping rotary power head (41) and the prestressing force applying video probe are respectively electrically connected with the controller.
3. The automatic construction device for a flexible film bag enclosure wall according to claim 1 or 2, characterized in that the running gear carrying the body part (1) is of a crawler belt structure.
4. The automatic construction device for a flexible film bag closure wall according to claim 1 or 2, wherein the lifting driving means of the lifting platform (14) is a scissor lift structure.
5. The automatic construction device for a flexible film bag sealing wall according to claim 1 or 2, wherein the clamping and hooking mechanical arms (21) are uniformly distributed along the front-rear direction of the lifting platform (14) in a plurality.
6. The automatic construction device for a flexible film bag sealing wall according to claim 1 or 2, wherein the front parts of the left car body (11) and the right car body (12) are respectively hinged with the two ends of the connecting cross beam (13).
7. The automatic construction device for a flexible film bag closure wall according to claim 1 or 2, wherein the centralized electric control section further comprises a remote controller electrically connected to the controller.
8. The automatic construction device for flexible film bag sealing wall according to claim 7, wherein the remote controller is connected with the controller in a wireless manner, and a display screen is provided on the remote controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320848254.3U CN219855184U (en) | 2023-04-17 | 2023-04-17 | Automatic construction device for flexible film bag sealing wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320848254.3U CN219855184U (en) | 2023-04-17 | 2023-04-17 | Automatic construction device for flexible film bag sealing wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219855184U true CN219855184U (en) | 2023-10-20 |
Family
ID=88344829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320848254.3U Active CN219855184U (en) | 2023-04-17 | 2023-04-17 | Automatic construction device for flexible film bag sealing wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219855184U (en) |
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2023
- 2023-04-17 CN CN202320848254.3U patent/CN219855184U/en active Active
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