CN117646650A - Fire-resistant escape pipeline with support and production device - Google Patents
Fire-resistant escape pipeline with support and production device Download PDFInfo
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- CN117646650A CN117646650A CN202311552110.4A CN202311552110A CN117646650A CN 117646650 A CN117646650 A CN 117646650A CN 202311552110 A CN202311552110 A CN 202311552110A CN 117646650 A CN117646650 A CN 117646650A
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- wall
- adjusting arm
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- plate
- fire
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- 230000009970 fire resistant effect Effects 0.000 title claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 230000004308 accommodation Effects 0.000 claims abstract description 3
- 238000005520 cutting process Methods 0.000 claims description 33
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 2
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 2
- 241001330002 Bambuseae Species 0.000 claims description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 2
- 239000011425 bamboo Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 2
- 229920001903 high density polyethylene Polymers 0.000 description 2
- 239000004700 high-density polyethylene Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 229920000114 Corrugated plastic Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The invention discloses a fire-resistant escape pipeline with a bracket and a production device, and relates to the technical field of fire-resistant escape pipelines; in order to facilitate the connection and fixation of the pipeline; the pipeline body that specifically includes to fix on the support subassembly, the support subassembly includes: adjusting arm one: one end of the first adjusting arm is rotatably connected with a third adjusting arm through a rotating shaft, the other end of the first adjusting arm is rotatably connected with a second adjusting arm through a mounting column, and the second adjusting arm and the third adjusting arm are rotatably connected with a fourth adjusting arm; and (3) supporting blocks: the fixing plate I is rotatably connected to one end of the mounting column, and the outer wall of one side of the supporting block is welded with the fixing plate I through the connecting block; the accommodation plate: which is rotatably connected to one side outer wall of the fixed plate. According to the invention, the first adjusting arm rotates along the third adjusting arm, so that the distance between the first two fixing plates can be adjusted, and the pipeline main body can be limited after the clamping block is contacted with the surface of the pipeline main body, so that the clamping and fixing of the pipeline main body can be realized.
Description
Technical Field
The invention relates to the technical field of refractory escape pipelines, in particular to a refractory escape pipeline with a bracket and a production device.
Background
In the prior art, along with the rapid development of railway and expressway construction in China, many construction projects can be blocked by mountain forests and hills, tunnels are constructed between the mountain forests, the hills and the mountain areas to pass through, but the terrains and the geological structures are complex, and certain dangers exist during construction, so that escape channels are arranged during construction, and in order to select some pipelines for escape during construction in the environment, the escape pipelines usually adopt steel pipes or pressure-resistant corrugated plastic pipes, and the escape pipelines are required to be lifted by using brackets or are installed in pipeline grooves for use during installation.
Through retrieving, chinese patent application number 201921790658.1 discloses a tunnel escape pipe fixing device and escape pipe, wherein fixing device includes: the fixing frame is rectangular, a fixing groove is formed in the fixing frame, and the section of the fixing groove is of an arc structure larger than 3/4; the escape pipeline body is fixed through the fixing groove; the lock catch is used for fixing the fixing frame on the ground or a wall body.
The tunnel escape pipeline fixing device and the escape pipeline in the patent have the following defects: when the escape pipelines are fixed, only the escape pipelines with specific specifications can be fixed, and when the escape pipelines have the difference in size, the escape pipelines with different specifications cannot be stably fixed.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a fire-resistant escape pipeline with a bracket and a production device.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a fire-resistant escape pipe and apparatus for producing with support, includes the pipeline main part of fixing on the support subassembly, the support subassembly includes:
adjusting arm one: one end of the first adjusting arm is rotatably connected with a third adjusting arm through a rotating shaft, the other end of the first adjusting arm is rotatably connected with a second adjusting arm through a mounting column, and the second adjusting arm and the third adjusting arm are rotatably connected with a fourth adjusting arm;
and (3) supporting blocks: the fixing plate I is rotatably connected to one end of the mounting column, and the outer wall of one side of the supporting block is welded with the fixing plate I through the connecting block;
the accommodation plate: the fixing plates are rotatably connected to one side of the outer walls of the fixing plates, and the same clamping block is welded between the accommodating plates;
a hollow cylinder: the fixing plates are welded on one side of the outer wall of one fixing plate;
a thread cylinder: one end of the hollow cylinder is welded with a universal ball matched with the hollow cylinder;
a threaded rod: the screw rod is connected to the circumferential inner wall of the screw cylinder through threads, and one end of the screw rod is welded with a mounting seat.
Preferably: the inner wall of a through hole formed in one surface of the fixing plate is inserted with a threaded column, and the circumferential outer wall of the threaded column is connected with a nut through threads.
The utility model provides a production device of fire-resistant pipeline of fleing with support, includes base and cutting assembly, base top outer wall is fixed with riser two through the bolt fastening, and the through-hole inner wall that two riser two surfaces were seted up all rotates to be connected with the swivel becket, and two swivel becket one side outer walls are fixed with snap ring and ring gear through the connecting rod respectively.
Preferably: the gear ring circumference outer wall and the snap ring circumference outer wall are fixed with middle rods through bolts, one ends of the two middle rods are fixed with the same connecting plate through bolts, the connecting assembly is arranged on the outer wall of the bottom of the connecting plate, and the connecting assembly is fixedly connected with the bracket assembly.
Preferably: the connecting assembly comprises an adjusting frame, a sliding plate and a guide plate, wherein the adjusting frame is fixed on the outer wall of the bottom of the connecting plate through bolts, the sliding plate is fixed on the inner walls of the two sides of the adjusting frame through pins, and the guide plate is connected to the outer wall of the sliding plate in a sliding mode.
Preferably: the inner walls at two sides of the adjusting frame are rotationally connected with the same screw rod, nuts matched with the outer diameters of the screw rods are arranged on the surfaces of the guide plates in an embedded mode, and mounting holes are formed in the surfaces of the guide plates.
Preferably: the outer wall of the top of the base is fixedly provided with a U-shaped frame through bolts, and the inner wall of the top of the U-shaped frame is fixedly provided with an electric telescopic rod through bolts.
Based on the scheme: the electric telescopic rod output end is fixed with a support through a pin, the outer wall of one side of the support is fixed with a cutting motor through a bolt, and the cutting motor output end is fixed with a cutting saw blade through a pin.
Preferred on the basis of the foregoing scheme: the outer wall of the top of the base is fixedly provided with a first vertical plate through a bolt, the outer wall of one side of the first vertical plate is fixedly provided with a driving motor through a bolt, and the output end of the driving motor is connected with a driving gear meshed with the gear ring through a key.
The beneficial effects of the invention are as follows:
1. through rotating the first adjusting arm along the third adjusting arm, the distance between the first two fixing plates can be adjusted, the pipeline main body can be limited after the clamping blocks are in surface contact with the pipeline main body, and the pipeline main body and the two fixing plates can be locked through the nuts and the threaded columns.
2. The installation seat is arranged, so that the whole bracket assembly is conveniently installed on a wall surface or fixed on the ground by using fixing parts such as expansion screws, and the threaded rod is rotated along the threaded cylinder, so that the distance between the pipeline main body and the installation seat can be adjusted, and the installation height of the pipeline main body is adjusted.
3. When the pipeline main body is required to be obliquely hung during hanging, the pipeline main body can be in an inclined state after being fixed by adjusting the total length of the two adjacent bracket assemblies, and a certain angle can be formed by the fixing plate I relative to the threaded cylinder by arranging the universal ball and the hollow cylinder when the pipeline main body is obliquely hung.
4. Through connect between bracket component and the coupling assembling to can be with the pipeline main part that needs to cut indirectly fix on the connecting plate, when the swivel becket rotates along riser two, make pipeline main part can carry out synchronous rotation, pipeline main part makes the cutting assembly cut pipeline main part from outside to inside at rotatory in-process, make bracket component can realize fixing pipeline main part through this kind of mounting means, can regard as the production cutting of connecting realization pipeline main part between assembly device and the coupling assembling again, multiple service function has been realized.
5. The position of the cutting saw blade in the vertical direction can be adjusted by the aid of the electric telescopic rod, so that the position of the cutting saw blade relative to the pipeline main body can be correspondingly adjusted according to different pipe diameters of the pipeline main body, and the cutting saw blade can be driven to cut at different positions on the surface of the pipeline main body in the rotating process by the aid of the cutting motor.
Drawings
FIG. 1 is a schematic view of the whole structure of a fire-resistant escape pipe with a bracket according to the present invention;
FIG. 2 is a schematic view of a support assembly of a refractory escape pipe with a support according to the present invention;
FIG. 3 is a schematic view of an explosion structure of a support assembly of a refractory escape pipe with a support according to the present invention;
FIG. 4 is a schematic view of the main structure of a support assembly of a refractory escape pipe with a support according to the present invention;
FIG. 5 is a schematic view showing the overall structure of a device for producing a refractory escape pipe with a bracket according to the present invention;
FIG. 6 is a schematic diagram of the main structure of a device for producing a refractory escape pipe with a bracket according to the present invention;
fig. 7 is a schematic view of a connection assembly of a device for producing a fire-resistant escape pipe with a bracket according to the present invention.
In the figure: the device comprises a 1-pipeline main body, a 2-adjusting arm I, a 3-adjusting arm II, a 4-adjusting arm III, a 5-supporting block, a 6-threaded cylinder, a 7-installation seat, an 8-threaded rod, a 9-fixing plate I, a 10-universal ball, an 11-hollow cylinder, a 12-containing plate, a 13-adjusting arm IV, a 14-installation column, a 15-nut, a 16-threaded column, a 17-connecting block, a 18-clamping block, a 19-cutting motor, a 20-cutting saw blade, a 21-electric telescopic rod, a 22-U-shaped frame, a 23-bracket, a 24-vertical plate I, a 25-driving motor, a 26-driving gear, a 27-gear ring, a 28-rotating ring, a 29-vertical plate II, a 30-middle rod, a 31-adjusting frame, a 32-lead screw, a 33-sliding plate, a 34-guiding plate, a 35-connecting plate, a 36-clamping ring and a 37-base.
Detailed Description
The technical scheme of the invention is further described in detail below with reference to the specific embodiments.
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
Example 1:
a fire-resistant escape pipe with a bracket, as shown in fig. 1 to 4, comprising a pipe body 1 fixed to a bracket assembly, the bracket assembly comprising:
adjusting arm one 2: one end of the first adjusting arm is rotatably connected with a third adjusting arm 4 through a rotating shaft, the other end of the first adjusting arm 2 is rotatably connected with a second adjusting arm 3 through a mounting column 14, and the second adjusting arm 3 and the third adjusting arm 4 are rotatably connected with a fourth adjusting arm 13;
support block 5: the fixing plate I9 is welded on the outer wall of one side of the supporting block 5 through the connecting block 17;
the accommodating plate 12: the clamping block 18 is rotatably connected to the outer wall of one side 9 of the fixed plate, and the same clamping block is welded between the accommodating plates 12;
hollow cylinder 11: the welding device is welded on the outer wall of one side 9 of one of the fixing plates;
screw thread section of thick bamboo 6: one end of the hollow cylinder is welded with a universal ball 10 matched with the hollow cylinder 11;
threaded rod 8: the device is connected to the inner wall of the circumference of the thread cylinder 6 through threads, and one end of a threaded rod 8 is welded with a mounting seat 7;
when the pipeline main body 1 needs to be installed by utilizing the support component, the first adjusting arm 2 rotates along the third adjusting arm 4, so that the linear distance between the first two fixing plates 9 can be adjusted, after the clamping block 18 is in surface contact with the pipeline main body 1, the pipeline main body 1 can be limited, the clamping of the pipeline main body 1 is realized, the whole support component can be installed on a wall surface or on the ground through the installation seat 7, the threaded rod 8 rotates along the threaded cylinder 6, the distance between the pipeline main body 1 and the installation seat 7 can be adjusted, the installation height of the pipeline main body 1 is adjusted, when the pipeline main body 1 is paved, the threaded rod 8 and the threaded cylinder 6 of the adjacent two support components are required to be inclined by a certain angle relative to the horizontal plane, the universal ball 10 can be inclined by a certain angle after the pipeline main body 1 is fixed, the universal ball 10 can be freely rotated along the hollow cylinder 11, the fixing plate 9 can be rotated by a certain angle relative to the threaded cylinder 6 when the pipeline main body 1 is obliquely hung, and the pipeline main body 1 in the embodiment has good high-temperature resistance, high-density polyethylene (HDPE) and high-temperature resistance materials.
Further, a threaded column 16 is inserted into the inner wall of the through hole formed in the surface of one fixing plate 9, and the circumferential outer wall of the threaded column 16 is connected with a nut 15 through threads;
when the pipeline main body 1 and the bracket assembly are required to be fixed, the nut 15 is screwed, so that the clamping blocks 18 on the two first fixing plates 9 fix the pipeline main body 1 in a clamping mode.
When the pipe main body 1 is required to be installed by using the bracket assembly, the threaded rod 8 is firstly rotated along the threaded cylinder 6 according to the height of the pipe main body 1 required to be installed, the installation seat 7 is fixed on a wall surface or on the ground after the adjustment is finished, then the pipe main body 1 is inserted into a gap between the two first fixing plates 9, then the first adjusting arm 2 is folded along the third adjusting arm 4, the clamping blocks 18 on the first two fixing plates 9 are used for initially limiting the pipe main body 1 in a clamping mode, and then the threaded column 16 is inserted into the inner wall of the through hole on the surface of one of the first fixing plates 9, the nut 15 is rotated along the threaded column 16, and the pipe main body 1 and the bracket assembly are fixed by using the threaded column 16 and the nut 15.
Example 2:
the utility model provides a apparatus for producing of fire-resistant escape pipe with support, shown in fig. 1 through 7, includes base 37 and cutting assembly, base 37 top outer wall is through bolt fastening has riser two 29, and the through-hole inner wall that two riser two 29 surfaces were seted up all rotates and is connected with swivel becket 28, and two swivel becket 28 one side outer walls are fixed with snap ring 36 and ring gear 27 through the connecting rod respectively, and ring gear 27 circumference outer wall and snap ring 36 circumference outer wall all are through bolt fastening have intermediate lever 30, and two intermediate lever 30 one end are through bolt fastening having same connecting plate 35, connecting plate 35 bottom outer wall is provided with coupling assembling, and fixed connection between coupling assembling and the support subassembly.
When pipeline main part 1 cuts after machine-shaping to can cut into the length of needs with pipeline main part 1, when needs cut pipeline main part 1, through connect between bracket component and the coupling assembling, thereby can indirectly fix pipeline main part 1 that needs cut on connecting plate 35, when rotor ring 28 rotates along riser two 29, make pipeline main part 1 can carry out synchronous rotation, pipeline main part 1 can make cutting assembly cut pipeline main part 1 from outside to inside at rotatory in-process.
Further, the coupling assembling includes alignment jig 31, slide 33 and guide plate 34, alignment jig 31 passes through the bolt fastening in the outer wall of connecting plate 35 bottom, slide 33 passes through the round pin to be fixed in alignment jig 31 both sides inner wall, guide plate 34 sliding connection is in slide 33 outer wall, alignment jig 31 both sides inner wall rotates and is connected with same lead screw 32, and guide plate 34 surface installs the nut with lead screw 32 external diameter adaptation through the embedding mode, and guide plate 34 surface has seted up the mounting hole.
Through being provided with the mounting hole on guide plate 34 to can carry out fixed connection through the bolt between guide plate 34 and the mount pad 7, make guide plate 34 transversely remove along the direction under the direction effect of slide 33 through rotatory lead screw 32, thereby can adjust pipeline main part 1 for cutting assembly's position, be convenient for follow-up utilize cutting assembly to cut pipeline main part 1.
Further, the outer wall of the top of the base 37 is fixedly provided with a U-shaped frame 22 through bolts, the inner wall of the top of the U-shaped frame 22 is fixedly provided with an electric telescopic rod 21 through bolts, the output end of the electric telescopic rod 21 is fixedly provided with a support 23 through a pin, the outer wall of one side of the support 23 is fixedly provided with a cutting motor 19 through bolts, and the output end of the cutting motor 19 is fixedly provided with a cutting saw blade 20 through a pin.
The position of the cutting saw blade 20 in the vertical direction can be adjusted by the aid of the electric telescopic rod 21, so that the position of the cutting saw blade 20 relative to the pipeline main body 1 can be correspondingly adjusted according to different pipe diameters of the pipeline main body 1, and the cutting saw blade 20 can be driven to extend into the pipeline main body 1 to cut the pipeline main body 1 in the rotating process by the aid of the cutting motor 19.
Further, the top outer wall of the base 37 is fixed with a first riser 24 through a bolt, the outer wall of one side of the first riser 24 is fixed with a driving motor 25 through a bolt, and the output end of the driving motor 25 is connected with a driving gear 26 meshed with the gear ring 27 through a key.
The driving gear 26 can be driven to rotate by the driving motor 25, the gear ring 27 can be driven to rotate by the driving gear 26 in the rotating process, the pipeline main body 1 can be driven to rotate by the gear ring 27 in the rotating process, and then the cutting saw blade 20 can cut at different positions on the surface of the pipeline main body 1 in the rotating process, so that the pipeline main body 1 can be completely cut off.
When the pipe body 1 is used, the pipe body 1 needs to be cut after being formed, when the pipe body 1 needs to be cut, the bracket component and the guide plate 34 are firstly connected, then the pipe body 1 is installed and fixed through the bracket component, then the guide screw 32 is rotated to enable the guide plate 34 to move under the guiding action of the sliding plate 33, so that the position of the pipe body 1 relative to the cutting component is adjusted, after the adjustment is finished, the driving motor 25 is used for driving the driving gear 26 to rotate, the driving gear 26 drives the gear ring 27 to rotate in the rotating process, the pipe body 1 can be further enabled to rotate continuously, then the position of the cutting saw blade 20 in the vertical direction is adjusted by the electric telescopic rod 21, and when the cutting saw blade 20 is contacted with the pipe body 1, the cutting motor 19 is used for driving the cutting saw blade 20 to rotate to cut the pipe body 1.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (9)
1. A fire-resistant escape duct with a support, comprising a duct body (1) fixed to a support assembly, characterized in that the support assembly comprises:
adjusting arm one (2): one end of the first adjusting arm (2) is rotatably connected with a third adjusting arm (4) through a rotating shaft, the other end of the first adjusting arm (2) is rotatably connected with a second adjusting arm (3) through a mounting column (14), and the second adjusting arm (3) and the third adjusting arm (4) are rotatably connected with the same fourth adjusting arm (13);
support block (5): the fixing device is rotationally connected to one end of a mounting column (14), and a fixing plate I (9) is welded on the outer wall of one side of a supporting block (5) through a connecting block (17);
accommodation plate (12): the clamping block is rotationally connected to the outer wall of one side of the first fixed plate (9), and the same clamping block (18) is welded between the accommodating plates (12);
hollow cylinder (11): which is welded on the outer wall of one side of one fixing plate I (9);
screw thread section of thick bamboo (6): one end of the hollow cylinder is welded with a universal ball (10) matched with the hollow cylinder (11);
threaded rod (8): the screw rod is connected to the inner circumferential wall of the screw cylinder (6) through threads, and one end of the threaded rod (8) is welded with a mounting seat (7).
2. The fire-resistant escape pipeline with the support according to claim 1, wherein a threaded column (16) is inserted into the inner wall of the through hole formed in the surface of the first fixing plate (9), and the circumferential outer wall of the threaded column (16) is connected with a nut (15) through threads.
3. The production device of the fire-resistant escape pipeline with the support according to claim 2, which is used for producing the fire-resistant escape pipeline according to any one of claims 1-2, is characterized by comprising a base (37) and a cutting assembly, wherein a riser second (29) is fixed on the outer wall of the top of the base (37) through bolts, rotating rings (28) are rotatably connected to the inner walls of through holes formed in the surfaces of the two risers second (29), and a clamping ring (36) and a gear ring (27) are respectively fixed on the outer walls of one side of the two rotating rings (28) through connecting rods.
4. A production device of a fire-resistant escape pipe with a bracket according to claim 3, characterized in that the circumference outer wall of the gear ring (27) and the circumference outer wall of the snap ring (36) are both fixed with a middle rod (30) through bolts, one end of each middle rod (30) is fixed with the same connecting plate (35) through bolts, the bottom outer wall of the connecting plate (35) is provided with a connecting component, and the connecting component is fixedly connected with the bracket component.
5. The device for producing a refractory escape pipe with a bracket according to claim 4, wherein the connecting assembly comprises an adjusting bracket (31), a sliding plate (33) and a guide plate (34), the adjusting bracket (31) is fixed on the outer wall of the bottom of the connecting plate (35) through bolts, the sliding plate (33) is fixed on the inner walls of two sides of the adjusting bracket (31) through pins, and the guide plate (34) is connected on the outer wall of the sliding plate (33) in a sliding manner.
6. The production device of the fire-resistant escape pipeline with the support according to claim 5, wherein the same screw rod (32) is rotatably connected to the inner walls of the two sides of the adjusting frame (31), nuts matched with the outer diameter of the screw rod (32) are arranged on the surface of the guide plate (34) in an embedded mode, and mounting holes are formed in the surface of the guide plate (34).
7. The production device of the fire-resistant escape pipeline with the support frame according to claim 6, wherein the U-shaped frame (22) is fixed on the outer wall of the top of the base (37) through bolts, and the electric telescopic rod (21) is fixed on the inner wall of the top of the U-shaped frame (22) through bolts.
8. The production device of the fire-resistant escape pipeline with the support according to claim 7, wherein the output end of the electric telescopic rod (21) is fixedly provided with the support (23) through a pin, the outer wall of one side of the support (23) is fixedly provided with the cutting motor (19) through a bolt, and the output end of the cutting motor (19) is fixedly provided with the cutting saw blade (20) through a pin.
9. The production device of the fire-resistant escape pipeline with the support frame according to claim 8, wherein a first vertical plate (24) is fixed on the outer wall of the top of the base (37) through bolts, a driving motor (25) is fixed on the outer wall of one side of the first vertical plate (24) through bolts, and a driving gear (26) meshed with the gear ring (27) is connected to the output end of the driving motor (25) through keys.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311552110.4A CN117646650A (en) | 2023-11-21 | 2023-11-21 | Fire-resistant escape pipeline with support and production device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311552110.4A CN117646650A (en) | 2023-11-21 | 2023-11-21 | Fire-resistant escape pipeline with support and production device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117646650A true CN117646650A (en) | 2024-03-05 |
Family
ID=90045881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311552110.4A Pending CN117646650A (en) | 2023-11-21 | 2023-11-21 | Fire-resistant escape pipeline with support and production device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117646650A (en) |
-
2023
- 2023-11-21 CN CN202311552110.4A patent/CN117646650A/en active Pending
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