CN215721282U - Pipeline positioning device for municipal works - Google Patents
Pipeline positioning device for municipal works Download PDFInfo
- Publication number
- CN215721282U CN215721282U CN202121989346.0U CN202121989346U CN215721282U CN 215721282 U CN215721282 U CN 215721282U CN 202121989346 U CN202121989346 U CN 202121989346U CN 215721282 U CN215721282 U CN 215721282U
- Authority
- CN
- China
- Prior art keywords
- box
- diaphragm
- fixed mounting
- blocks
- positioning device
- 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.)
- Expired - Fee Related
Links
- 230000006835 compression Effects 0.000 claims abstract description 8
- 238000007906 compression Methods 0.000 claims abstract description 8
- 244000309464 bull Species 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000002457 bidirectional effect Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 210000001503 joint Anatomy 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 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
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
Images
Landscapes
- Supports For Pipes And Cables (AREA)
Abstract
The utility model relates to the technical field of municipal engineering equipment and discloses a pipeline positioning device for municipal engineering. This pipeline positioner for municipal works, it rotates to drive the dwang through positive and negative biax motor that rotates, make first conical gear drive second conical gear meshing and rotate, and then drive the rotation of screw thread bull stick, make the movable block drive the gyro wheel and remove on the screw thread bull stick, promote two wedges when the gyro wheel shifts up and moving in opposite directions, two wedges back-to-back movements under compression spring's effect when the gyro wheel moves down, and then realize that the distance between two arcs can be adjusted, convenient fixed not unidimensional pipeline, the centre gripping is more stable and nimble.
Description
Technical Field
The utility model relates to the technical field of municipal engineering equipment, in particular to a pipeline positioning device for municipal engineering.
Background
Municipal works are generally national infrastructures, which refer to infrastructures such as various public transportation facilities, water supply, drainage, gas, urban flood control, environmental sanitation and lighting in urban construction, are material foundations essential for urban survival and development, are basic conditions for improving the living standard of people and opening the outside, and in the municipal works, pipelines are also extremely important and are mainly used in various engineering devices such as water supply, drainage, heat supply and gas supply, and when the pipelines are installed, a pipeline positioning device is needed.
The existing pipeline positioning device for municipal engineering is basically of fixed height, can not adjust the accurate position of the butt joint of pipelines, is single in clamping structure, can not clamp the pipelines with different sizes, is unstable in clamping easily, further influences the construction efficiency, and solves the problems.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides a pipeline positioning device for municipal engineering, which has the advantages of adjustable height and suitability for clamping pipelines with different sizes, and solves the problems that the existing pipeline positioning device for municipal engineering is basically fixed in height, the accurate position adjustment cannot be carried out on the butt joint of the pipelines, the existing pipeline positioning device is single in clamping structure, cannot clamp the pipelines with different sizes, and unstable clamping is easy to occur, so that the construction efficiency is influenced.
(II) technical scheme
In order to achieve the purposes of adjusting the height and clamping the pipelines with different sizes, the utility model provides the following technical scheme: the utility model provides a pipeline positioner for municipal works, includes base, diaphragm and control box, the top of base is provided with adjusting part, adjusting part's top is provided with supporting component, the diaphragm sets up all with adjusting part swing joint in supporting component's top and bottom left and right sides, the quantity of control box is two and sets up the top left and right sides at the diaphragm respectively, the interior diapire of diaphragm is provided with about both ends respectively with its inner wall left and right sides swing joint's rotating assembly, the interior roof of control box is provided with the inside that bottom one end extends to the diaphragm and with rotating assembly engaged with clamping component, controls two clamping component's opposite side all extends to the opposite side of two control boxes.
Preferably, the adjusting assembly comprises a fixed box, the top of the base is fixedly provided with the fixed box, the top of the base is fixedly provided with two limiting plates which are respectively positioned at the left side and the right side of the fixed box, the right side of the limiting plate at the left side is movably provided with a bidirectional threaded rod one end of which penetrates through the fixed box and is movably connected with the limiting plate at the right side, a worm wheel positioned in the fixed box is fixedly arranged outside the bidirectional threaded rod, a worm extending into the fixed box and movably connected with the front side of the inner wall of the fixed box is movably arranged at the rear side of the fixed box, the worm is located the top of worm wheel and meshes mutually with the worm wheel, the outside screw thread of two-way threaded rod is installed quantity and is two and is located the screw thread piece of the fixed case left and right sides respectively, two the bottom of screw thread piece all with the top swing joint of base, the top movable mounting of screw thread piece has branch.
Preferably, the supporting component includes the sleeve, the top fixed mounting of fixed box has the sleeve, movable mounting has the T shaped plate that extends to its top between the telescopic inner wall left and right sides, fixed mounting has reset spring between the bottom of T shaped plate and the telescopic interior diapire, diaphragm fixed mounting all with diaphragm swing joint at the top of T shaped plate and the one end that the screw thread piece was kept away from to two branch.
Preferably, rotating assembly is including positive and negative rotation double-shaft motor, the interior diapire fixed mounting of diaphragm has positive and negative rotation double-shaft motor, two output shaft department equal fixed mounting have one end respectively with the inner wall left and right sides swing joint's of diaphragm dwang about positive and negative rotation double-shaft motor, the outside fixed mounting of dwang has first conical gear.
Preferably, the clamping assembly comprises a threaded rotating rod, a threaded rotating rod with the bottom end extending to the inside of the transverse plate is movably mounted on the inner top wall of the operating box, the threaded rotating rod is positioned above the rotating rod, a second bevel gear meshed with the first bevel gear is fixedly mounted at the bottom of the threaded rotating rod, moving blocks movably connected with the front side and the rear side of the inner wall of the operating box are mounted on the outer threads of the threaded rotating rod, rollers are fixedly mounted on the opposite sides of the left moving block and the right moving block, wedges which are positioned between the two threaded rotating rods and are respectively in sliding connection with the two rollers are movably mounted between the front side and the rear side of the inner wall of the operating box, two connecting rods extending to the outside of the operating box are fixedly mounted on the opposite sides of the two upper connecting rods, and arc-shaped plates with one end fixedly connected with the opposite sides of the two lower connecting rods are fixedly mounted on the opposite sides of the two upper connecting rods, and compression springs sleeved outside the connecting rods are fixedly installed between the opposite sides of the two wedge-shaped blocks and the inner wall of the operating box.
Preferably, the opposite sides of the two moving blocks are fixedly provided with sliding blocks, one ends of the sliding blocks are movably connected with the inner walls of the opposite sides of the left operating box and the right operating box respectively.
(III) advantageous effects
Compared with the prior art, the utility model provides a pipeline positioning device for municipal engineering, which has the following beneficial effects:
1. this pipeline positioner for municipal works drives the worm wheel rotation through rotating the worm and makes two-way threaded rod rotate, and then drives two screw blocks and remove in opposite directions or back to back for branch drives the diaphragm and reciprocates, and the T-shaped board reciprocates in the sleeve and plays the supporting role to the diaphragm, has realized positioner's height-adjustable festival, conveniently docks the pipeline.
2. This pipeline positioner for municipal works, it rotates to drive the dwang through positive and negative biax motor that rotates, make first conical gear drive second conical gear meshing and rotate, and then drive the rotation of screw thread bull stick, make the movable block drive the gyro wheel and remove on the screw thread bull stick, promote two wedges when the gyro wheel shifts up and moving in opposite directions, two wedges back-to-back movements under compression spring's effect when the gyro wheel moves down, and then realize that the distance between two arcs can be adjusted, convenient fixed not unidimensional pipeline, the centre gripping is more stable and nimble.
Drawings
FIG. 1 is a schematic front view of the structure of the present invention;
FIG. 2 is a partial side view of the worm gear and worm connection of the present invention;
FIG. 3 is an enlarged view of the point A in FIG. 1.
In the figure: the device comprises a base 1, an adjusting assembly 2, a limiting plate 21, a thread block 22, a bidirectional threaded rod 23, a fixed box 24, a worm wheel 25, a worm 26, a support rod 27, a supporting assembly 3, a return spring 31, a sleeve 32, a T-shaped plate 33, a transverse plate 4, a rotating assembly 5, a double-shaft motor 51 for forward and reverse rotation, a rotating rod 52, a first bevel gear 53, an operation box 6, a clamping assembly 7, an arc plate 71, a compression spring 72, a second bevel gear 73, a moving block 74, a roller 75, a wedge block 76, a threaded rotating rod 77 and a connecting rod 78.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides a pipeline positioner for municipal works, includes base 1, diaphragm 4 and control box 6, and the top fixed mounting of base 1 has adjusting part 2.
The adjusting component 2 comprises a fixed box 24, the top of the base 1 is fixedly provided with the fixed box 24, the top of the base 1 is fixedly provided with two limit plates 21 which are respectively positioned at the left side and the right side of the fixed box 24, the right side of the left limit plate 21 is movably provided with a bidirectional threaded rod 23, one end of the bidirectional threaded rod passes through the fixed box 24 and is movably connected with the right limit plate 21, the outer part of the bidirectional threaded rod 23 is fixedly provided with a worm wheel 25 positioned in the fixed box 24, the rear side of the fixed box 24 is movably provided with a worm 26 which extends into the fixed box and is movably connected with the front side of the inner wall of the fixed box, the worm 26 is positioned above the worm wheel 25 and is meshed with the worm wheel 25, the outer threads of the bidirectional threaded rod 23 are provided with two thread blocks 22 which are respectively positioned at the left side and the right side of the fixed box 24, the bottoms of the two thread blocks 22 are movably connected with the top of the base 1, and the top of the thread blocks 22 is movably provided with a support rod 27, the top fixed mounting of adjusting part 2 has supporting component 3, and diaphragm 4 fixed mounting all with adjusting part 2 swing joint at the top and the bottom left and right sides of supporting component 3.
Supporting component 3 includes sleeve 32, fixed box 24's top fixed mounting has sleeve 32, movable mounting has the T shaped plate 33 that extends to its top between the inner wall left and right sides of sleeve 32, fixed mounting has reset spring 31 between the bottom of T shaped plate 33 and the interior diapire of sleeve 32, diaphragm 4 fixed mounting is all with diaphragm 4 swing joint at the top of T shaped plate 33 and the one end that screw block 22 was kept away from to two spinal branch poles 27, the quantity of control box 6 is two and respectively fixed mounting in the top left and right sides of diaphragm 4, the interior diapire fixed mounting of diaphragm 4 has left and right sides both ends respectively rather than inner wall left and right sides swing joint's rotating assembly 5.
The clamping assembly 7 comprises a threaded rotating rod 77, a threaded rotating rod 77 with the bottom end extending to the inner part of the transverse plate 4 is movably mounted on the inner top wall of the operating box 6, the threaded rotating rod 77 is positioned above the rotating rod 52, a second bevel gear 73 meshed with the first bevel gear 53 is fixedly mounted at the bottom of the threaded rotating rod 77, moving blocks 74 movably connected with the front side and the rear side of the inner wall of the operating box 6 are mounted on the outer threads of the threaded rotating rod 77, sliders with one ends respectively movably connected with the inner walls on the back sides of the left operating box 6 and the right operating box 6 are fixedly mounted on the back sides of the two moving blocks 74, rollers 75 are fixedly mounted on the opposite sides of the left moving block 74 and the right moving block 74, wedge blocks 76 positioned between the two threaded rotating rod 77 and respectively connected with the two rollers 75 in a sliding manner are movably mounted between the front side and the rear side of the inner wall of the operating box 6, two connecting rods 78 extending to the outer part of the operating box 6 are fixedly mounted on the opposite sides of the two wedge blocks 76, the arc-shaped plates 71 with one ends fixedly connected with the opposite sides of the two lower connecting rods 78 are fixedly arranged on the opposite sides of the two upper connecting rods 78, and the compression springs 72 sleeved outside the connecting rods 78 are fixedly arranged between the opposite sides of the two wedge-shaped blocks 76 and the inner wall of the operating box 6.
The worm 26 is rotated to drive the worm wheel 25 to rotate, so that the two-way threaded rod 23 is rotated, and then the two threaded blocks 22 are driven to move in opposite directions or away from each other, so that the supporting rod 27 drives the transverse plate 4 to move up and down, and the T-shaped plate 33 moves up and down in the sleeve 32 to support the transverse plate 4, so that the height of the positioning device can be adjusted, and the pipelines can be conveniently butted, the rotating rod 52 is driven to rotate by the forward and reverse double-shaft motor 51, so that the first conical gear 53 drives the second conical gear 73 to rotate in a meshed manner, and then the threaded rotating rod 77 is driven to rotate, the moving block 74 drives the roller 75 to move on the threaded rotating rod 77, when the roller 75 moves upwards, the two wedge blocks 76 are driven to move in opposite directions, when the roller 75 moves downwards, the two wedge blocks 76 move away from each other under the action of the compression spring 72, so that the distance between the two arc-shaped plates 71 can be adjusted, and pipelines with different sizes can be conveniently fixed, the clamping is more stable and flexible.
In summary, in the pipeline positioning device for municipal engineering, the worm 26 is rotated to drive the worm wheel 25 to rotate, so that the bidirectional threaded rod 23 is rotated, and then the two threaded blocks 22 are driven to move towards or away from each other, so that the supporting rod 27 drives the transverse plate 4 to move up and down, and the T-shaped plate 33 moves up and down in the sleeve 32 to support the transverse plate 4, so that the height of the positioning device is adjustable, the pipeline is conveniently butted, the rotating rod 52 is driven to rotate by the forward and reverse double-shaft motor 51, so that the first conical gear 53 drives the second conical gear 73 to mesh and rotate, and then the threaded rotating rod 77 is driven to rotate, the moving block 74 drives the roller 75 to move on the threaded rotating rod 77, the two wedge blocks 76 are pushed to move towards each other when the roller 75 moves upwards, the two wedge blocks 76 move away from each other under the action of the compression spring 72 when the roller 75 moves downwards, and then the distance between the two arc plates 71 can be adjusted, convenient fixed not unidimensional pipeline, the centre gripping is more stable and nimble, has solved current for municipal works with pipeline positioner all be fixed height basically, can't carry out the regulation of accurate position to the butt joint of pipeline to current pipeline positioner clamping structure is single, can not carry out the centre gripping according to not unidimensional pipeline, appears the unstable phenomenon of centre gripping easily, and then influences the problem of efficiency of construction.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a pipeline positioner for municipal works, includes base (1), diaphragm (4) and control box (6), its characterized in that: the top of base (1) is provided with adjusting part (2), the top of adjusting part (2) is provided with supporting component (3), diaphragm (4) set up all with adjusting component (2) swing joint in the top and the bottom left and right sides of supporting component (3), the quantity of control box (6) is two and sets up respectively in the top left and right sides of diaphragm (4), the interior diapire of diaphragm (4) is provided with about both ends respectively rather than inner wall left and right sides swing joint's rotating assembly (5), the interior roof of control box (6) is provided with bottom one end and extends to the inside of diaphragm (4) and with rotating assembly (5) engaged with centre gripping subassembly (7), control two the opposite side of centre gripping subassembly (7) all extends to the opposite side of two control boxes (6).
2. The municipal engineering pipe positioning device according to claim 1, wherein: the adjusting component (2) comprises a fixed box (24), the top fixed mounting of the base (1) is provided with the fixed box (24), the top fixed mounting of the base (1) is provided with a limiting plate (21) which is two and is respectively positioned at the left side and the right side of the fixed box (24), the left side is provided with a two-way threaded rod (23) which is movably mounted at one end of the limiting plate (21) and penetrates through the fixed box (24) and is movably connected with the right side limiting plate (21), the external fixed mounting of the two-way threaded rod (23) is provided with a worm wheel (25) positioned inside the fixed box (24), the rear side of the fixed box (24) is movably mounted with a worm (26) which extends to the inside of the fixed box and is movably connected with the front side of the inner wall of the fixed box, the worm (26) is positioned above the worm wheel (25) and is meshed with the worm wheel (25), the external thread of the two-way threaded rod (23) is provided with thread blocks (22) which are two and are respectively positioned at the left side and the fixed box (24), the bottom of the two thread blocks (22) is movably connected with the top of the base (1), and a support rod (27) is movably mounted at the top of the thread blocks (22).
3. The municipal engineering pipe positioning device according to claim 2, wherein: support assembly (3) include sleeve (32), the top fixed mounting of fixed box (24) has sleeve (32), movable mounting has T shaped plate (33) that extends to its top between the inner wall left and right sides of sleeve (32), fixed mounting has reset spring (31) between the bottom of T shaped plate (33) and the interior diapire of sleeve (32), diaphragm (4) fixed mounting all with diaphragm (4) swing joint at the top of T shaped plate (33) and the one end that screw thread block (22) was kept away from to two branch (27).
4. The municipal engineering pipe positioning device according to claim 1, wherein: rotating assembly (5) are including just reversing double-shaft motor (51), the interior diapire fixed mounting of diaphragm (4) has just reversing double-shaft motor (51), just reversing double-shaft motor (51) about two output shafts locate equal fixed mounting have one end respectively with the inner wall left and right sides swing joint's of diaphragm (4) dwang (52), the outside fixed mounting of dwang (52) has first conical gear (53).
5. The municipal engineering pipe positioning device according to claim 4, wherein: the clamping assembly (7) comprises a threaded rotating rod (77), the inner top wall of the operation box (6) is movably provided with a threaded rotating rod (77) with one end at the bottom extending to the inner part of the transverse plate (4), the threaded rotating rod (77) is positioned above the rotating rod (52) and is fixedly provided with a second bevel gear (73) meshed with the first bevel gear (53) at the bottom, the outer thread of the threaded rotating rod (77) is provided with moving blocks (74) movably connected with the front side and the rear side of the inner wall of the operation box (6), one side opposite to the left moving block (74) and the right moving block (74) are fixedly provided with rollers (75), wedge blocks (76) which are positioned between the two threaded rotating rods (77) and are respectively connected with the two rollers (75) in a sliding manner are movably arranged between the front side and the rear side of the inner wall of the operation box (6), the opposite sides of the two wedge blocks (76) are fixedly provided with two connecting rods (78) with the opposite sides, and extend to the outer part of the operation box (6), the opposite sides of the two upper connecting rods (78) are fixedly provided with arc-shaped plates (71) with one ends fixedly connected with the opposite sides of the two lower connecting rods (78), and compression springs (72) sleeved outside the connecting rods (78) are fixedly arranged between the opposite sides of the two wedge blocks (76) and the inner wall of the operating box (6).
6. The municipal engineering pipe positioning device according to claim 5, wherein: and sliding blocks with one ends respectively movably connected with the inner walls of the opposite sides of the left and right operation boxes (6) are fixedly arranged on the opposite sides of the two moving blocks (74).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121989346.0U CN215721282U (en) | 2021-08-24 | 2021-08-24 | Pipeline positioning device for municipal works |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121989346.0U CN215721282U (en) | 2021-08-24 | 2021-08-24 | Pipeline positioning device for municipal works |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215721282U true CN215721282U (en) | 2022-02-01 |
Family
ID=80000092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121989346.0U Expired - Fee Related CN215721282U (en) | 2021-08-24 | 2021-08-24 | Pipeline positioning device for municipal works |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215721282U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114294481A (en) * | 2022-02-11 | 2022-04-08 | 江苏远平园林建设有限公司 | Drainage pipe supports connection structure for municipal works of convenient location |
| CN114348519A (en) * | 2022-03-03 | 2022-04-15 | 浙江旅游职业学院 | Automatic device of getting of intelligence books |
-
2021
- 2021-08-24 CN CN202121989346.0U patent/CN215721282U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114294481A (en) * | 2022-02-11 | 2022-04-08 | 江苏远平园林建设有限公司 | Drainage pipe supports connection structure for municipal works of convenient location |
| CN114348519A (en) * | 2022-03-03 | 2022-04-15 | 浙江旅游职业学院 | Automatic device of getting of intelligence books |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215721282U (en) | Pipeline positioning device for municipal works | |
| CN211083097U (en) | Detachable temporary support is used in building engineering construction | |
| CN212056853U (en) | Lighting device for construction | |
| CN218990199U (en) | Track traffic piping lane foundation ditch supporting device | |
| CN216730409U (en) | Pipeline fixed knot that hydraulic engineering used constructs | |
| CN216430712U (en) | Horizontal support module for smoke exhaust pipeline reconstruction construction | |
| CN216976047U (en) | Municipal administration road drainage pipe angular adjustment bearing structure | |
| CN213267571U (en) | Warning device is used in housing construction engineering construction | |
| CN213740677U (en) | Warning sign is used in municipal construction convenient to accomodate | |
| CN210067372U (en) | A maintenance is laid to marble brick and is used auxiliary device for architectural decoration | |
| CN212802716U (en) | Civil engineering construction supporting structure | |
| CN218788221U (en) | Face early warning device of frontier defense in construction | |
| CN220910964U (en) | Safety monitoring equipment for municipal administration | |
| CN220727315U (en) | Municipal pipeline laying device | |
| CN206928661U (en) | Concreting workbench is built in a kind of room | |
| CN220389236U (en) | Auxiliary connection structure for water supply and drainage pipeline | |
| CN216814019U (en) | Environment-friendly lighting facility for construction of green building | |
| CN214195617U (en) | Vertical positioning device for building construction | |
| CN114484081B (en) | Municipal engineering pipeline support convenient to install and installation method | |
| CN220580339U (en) | Steel structure upright post with adjustable supporting point | |
| CN218818633U (en) | Pipeline positioning support | |
| CN218118860U (en) | Pipeline connection supporting mechanism for water conservancy construction | |
| CN216007931U (en) | Building steel structure support frame | |
| CN218406503U (en) | Novel formwork support device for building construction | |
| CN220994431U (en) | Auxiliary connecting device for pipeline |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220201 |