CN214497533U - Removable supporting is used in building engineering construction - Google Patents
Removable supporting is used in building engineering construction Download PDFInfo
- Publication number
- CN214497533U CN214497533U CN202120177082.2U CN202120177082U CN214497533U CN 214497533 U CN214497533 U CN 214497533U CN 202120177082 U CN202120177082 U CN 202120177082U CN 214497533 U CN214497533 U CN 214497533U
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- rod
- rotating
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- fixedly connected
- turbine
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- 238000010276 construction Methods 0.000 title claims abstract description 22
- 238000009434 installation Methods 0.000 claims abstract description 11
- 230000033001 locomotion Effects 0.000 claims description 30
- 239000002689 soil Substances 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000005553 drilling Methods 0.000 claims description 7
- 230000008602 contraction Effects 0.000 claims description 5
- 244000309464 bull Species 0.000 abstract description 10
- 230000000694 effects Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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Abstract
The utility model relates to a building engineering technical field specifically is a removable supporting of building engineering construction usefulness, including the fixed establishment subassembly, the fixed establishment subassembly includes four face traffic all fixedly connected with wheel hub of base one end, wheel hub's inside is provided with the ring gear, one side fixedly connected with extension board installation mechanism subassembly of base one end. The utility model discloses a fixed establishment subassembly, user's accessible wheel hub, convenience of customers is to the carrying of the device, and the user moves through twisting and changes the handle, then can be good fix the device on laying subaerially, has made things convenient for user's dismantlement simultaneously, through extension board installation mechanism subassembly, the user can be according to the angle slope degree on hole base slope, through rotating the second bull stick, laminates backup pad slope wall mutually to through rotating the commentaries on classics piece, can make the backup pad can firmly laminate fixedly mutually with base slope wall.
Description
Technical Field
The utility model relates to a building engineering technical field specifically is a removable support is used in building engineering construction.
Background
In the existing building construction process, supports are often installed on the foundation pit avoiding surface of a construction site, so that the safety of underground structure construction and the surrounding environment of the foundation pit is ensured, and supporting, reinforcing and protecting measures are adopted for the side wall and the surrounding environment;
the supporting construction that has most of uses is many comparatively simple and easy, uses reinforced concrete to build more and forms, though such strutting, and is better to the protection effect of foundation ditch, nevertheless when dismantling strutting after the construction is accomplished, operating personnel dismantles with the help of independent breaker, and the operation is dismantled in the reality and is wasted time and energy, very inconvenient.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a removable support is used in building engineering construction to the current of proposing among the above-mentioned background art is strutted and is accomplished the back and when dismantling in the construction, operating personnel dismantles with the help of independent breaker, and the operation is dismantled in fact and is wasted time and energy, very inconvenient problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a removable supporting of building engineering construction usefulness, includes the fixed establishment subassembly, the fixed establishment subassembly includes that four faces of base one end are handed over all fixedly connected with wheel hub, wheel hub's inside is provided with the gear circle, and the inside of gear circle is provided with four first rotation gears of group, the surface of first rotation gear all meshes with the inner wall of gear circle mutually, the all fixedly connected with drilling rods of one end of first rotation gear, the shrink groove has all been seted up to four ends on base one end surface, the one end of drilling rod all passes the shrink groove and extends to the outside of base, the one end fixedly connected with of gear circle changes the handle, and changes the one end of handle and passes the outside that the base extends to the base, one side fixedly connected with extension board installation mechanism subassembly of base one end.
Preferably, both sides of gear circle one end all fixedly connected with slider, the spout of mutually supporting with the slider is seted up to the inner wall of base one end.
Preferably, the piece that loosens the soil has all been cup jointed to the one end on drilling rod surface, the piece that loosens the soil all is the spiral and changes, the one end of drilling rod all fixedly connected with drill bit, the drill bit is triangle-shaped lug.
Preferably, the support plate mounting mechanism assembly comprises a support plate, a first motion bin is arranged on one side inside the support plate, a second motion bin is uniformly arranged on the surface of one side of the support plate, the interior of the second motion bin is communicated with the interior of the first motion bin, a first threaded rod is arranged at the middle end inside the first motion bin, one end of the first threaded rod is connected with the inner wall of the first motion bin through an embedded bearing, the other end of the first threaded rod penetrates through the support plate and extends to the outer side of the support plate, a rotating block is fixedly connected with the other end of the first threaded rod, second threaded rods are arranged on two sides inside the first motion bin, two ends of each second threaded rod are connected with the inner wall of the first motion bin through an embedded bearing, linkage rods are arranged on two sides of the first threaded rod, and two ends of the surface of each linkage rod are connected with the inner wall of the first motion bin through a bearing bracket, one side on interlock pole surface all is connected through the bevel gear transmission with the surface of first threaded rod, the opposite side on interlock pole surface all is connected through the bevel gear transmission with the surface of second threaded rod, the surface of second threaded rod and first threaded rod all evenly overlaps and is equipped with the thread bush, the inside in second motion storehouse all is provided with the touch multitouch, the surface of thread bush all articulates through the articulated shaft has two sets of pull rods, and the equal symmetric distribution of two sets of pull rods, the other end of pull rod all is connected through the articulated shaft and the surface of touch multitouch is articulated mutually, the backup pad is connected with the base through angle adjustment mechanism.
Preferably, both ends of the contact block are fixedly connected with sliding blocks, and sliding grooves matched with the sliding blocks are formed in the inner walls of both ends of the second motion bin.
Preferably, angle adjustment mechanism includes the fixed block, the fixed block is two sets of, and two sets of fixed block symmetric distribution, the middle part of fixed block is provided with first bull stick, and the both ends of first bull stick all with fixed block looks fixed connection, one side of backup pad and the surface looks fixed connection of first bull stick, the rotation turbine has been cup jointed to the middle-end on first bull stick surface, it is provided with the turbine pole to rotate the turbine below, and the both ends of turbine pole all are connected with the surface of base through the bearing frame, the surface of turbine pole meshes with the surface of rotating the turbine mutually, one side of turbine pole is provided with the fixed plate, and the one end of fixed plate and the surface looks fixed connection of base, the one end of fixed plate is inserted and is equipped with the second bull stick, and the one side on one end and the turbine pole surface of second bull stick is connected through the bevel gear transmission.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a fixed mechanism subassembly, user's accessible wheel hub, convenience of customers is to the carrying of device, and the user is through twisting the commentaries on classics handle, then can be good fix the device on laying subaerial, has made things convenient for user's dismantlement simultaneously, through extension board installation mechanism subassembly, the user can be according to the angle slope degree in hole base slope, through rotating the second bull stick, with the laminating of backup pad slope wall mutually, and through rotating the commentaries on classics piece, can make the backup pad can firmly laminate fixedly with base slope wall mutually;
1. through being provided with the fixed mechanism subassembly, the user can carry out the position transfer to the device wantonly through the wheel hub of base bottom fixed, convenience of customers carries the device, and when the user is using, the user only need rotate the handle through twisting, then can make the drilling rod rotate downwards fast simultaneously, and constantly drill with the ground of laying, thus can be good fix the device on laying ground, simultaneously when later stage dismantlement, the user only needs simple reverse rotation to change the handle, then can accomplish the dismantlement to the device fast, very big convenience is given to user's actual operation, make user's actual operation become simpler and easier;
2. through being provided with extension board installation mechanism subassembly, the user is when using the device, the user can be according to the angle slope degree on hole base slope, through rotating the second bull stick, make the backup pad can make rotatory circular motion fast, carry out corresponding regulation fast, make the backup pad can be inconsistent with the slope of foundation ditch, make the base slope of the adaptable different slope degrees of the device, strengthen the application range of the device, and when backup pad slope wall was laminated mutually, the user's accessible rotates the turning block, make the block of contradicting outwards remove fast, constantly contradict with the wall on inclined plane, insert the soil layer, thereby good increase the fixed effect of backup pad on the base slope, make the backup pad can laminate fixedly mutually with base inclined plane wall firmly.
Drawings
FIG. 1 is a schematic sectional view of the front view of the structure of the present invention;
FIG. 2 is a schematic top sectional view of the structure of FIG. 1 at A-A;
fig. 3 is an enlarged schematic view of the structure B in fig. 1 according to the present invention;
FIG. 4 is a schematic side view of the supporting plate according to the present invention;
fig. 5 is a schematic top view of the structure of the present invention.
In the figure: 100. a fixed mechanism assembly; 110. a base; 111. a hub; 112. a gear ring; 113. a first rotating gear; 114. a drill stem; 115. a contraction groove; 116. a drill bit; 117. A soil loosening sheet; 118. turning a handle; 200. a support plate mounting mechanism assembly; 210. a support plate; 211. A first motion bin; 212. a second motion bin; 213. a first threaded rod; 214. a threaded sleeve; 215. a contact block; 216. a pull rod; 217. rotating the block; 218. a second threaded rod; 219. A linkage rod; 220. an angle adjusting mechanism; 221. a fixed block; 222. a first rotating lever; 223. Rotating the turbine; 224. a turbine rod; 225. a fixing plate; 226. a second rotating rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides an embodiment:
a detachable support for construction of constructional engineering comprises a fixing mechanism assembly 100, wherein the fixing mechanism assembly 100 comprises a hub 111 fixedly connected with four intersecting surfaces of one end of a base 110, a gear ring 112 is arranged inside the hub 111, four groups of first rotating gears 113 are arranged inside the gear ring 112, the surfaces of the first rotating gears 113 are meshed with the inner wall of the gear ring 112, one ends of the first rotating gears 113 are fixedly connected with drill rods 114, four ends of the surface of one end of the base 110 are provided with contraction grooves 115, one ends of the drill rods 114 penetrate through the contraction grooves 115 and extend to the outer side of the base 110, one end of the gear ring 112 is fixedly connected with a rotating handle 118, one end of the rotating handle 118 penetrates through the base 110 and extends to the outer side of the base 110, and one side of one end of the base 110 is fixedly connected with a support plate installation mechanism assembly 200;
furthermore, both sides of one end of the gear ring 112 are fixedly connected with sliding blocks, a sliding groove matched with the sliding blocks is formed in the inner wall of one end of the base 110, when a user rotates the rotating handle 118, the gear ring 112 rotates in the base 110, and when the gear ring 112 rotates, the sliding blocks are driven to slide in the sliding groove, and through the mutual matching of the sliding grooves of the sliding blocks, the moving track of the gear ring 112 can be well limited;
furthermore, soil loosening sheets 117 are sleeved at one end of the surface of the drill rod 114, the soil loosening sheets 117 are spirally rotated, drill bits 116 are fixedly connected to one end of the drill rod 114, the drill bits 116 are triangular bumps, when the drill rod 114 continuously moves downwards, the drill rod 114 drives the drill bits 116 to continuously drill into the soil layer to be abutted against the soil layer, and the soil loosening sheets 117 rotate to quickly loosen the soil layer until the drill rod 114 is inserted into the deep part of the soil layer, so that the base 110 can be firmly fixed on the installation site;
further, the plate mounting mechanism assembly 200 includes a supporting plate 210, a first moving chamber 211 is disposed on one side of the supporting plate 210, a second moving chamber 212 is uniformly disposed on the surface of one side of the supporting plate 210, the inside of the second moving chamber 212 is communicated with the inside of the first moving chamber 211, a first threaded rod 213 is disposed at the middle end of the inside of the first moving chamber 211, one end of the first threaded rod 213 is connected with the inner wall of the first moving chamber 211 through an embedded bearing, the other end of the first threaded rod 213 passes through the supporting plate 210 and extends to the outside of the supporting plate 210, a rotating block 217 is fixedly connected to the other end of the first threaded rod 213, second threaded rods 218 are disposed at both sides of the inside of the first moving chamber 211, both ends of the second threaded rods 218 are connected with the inner wall of the first moving chamber 211 through embedded bearings, and both sides of the first threaded rod 213 are provided with linkage rods 219, the two ends of the surface of the linkage rod 219 are connected with the inner wall of the first motion cabin 211 through a bearing bracket, one side of the surface of the linkage rod 219 is connected with the surface of the first threaded rod 213 through a bevel gear in a transmission way, the other side of the surface of the linkage rod 219 is connected with the surface of the second threaded rod 218 through a bevel gear in a transmission way, the surfaces of the second threaded rod 218 and the first threaded rod 213 are uniformly sleeved with threaded sleeves 214, the inside of the second motion cabin 212 is provided with abutting blocks 215, the surface of the threaded sleeves 214 is hinged with two groups of pull rods 216 through hinged shafts, the two groups of pull rods 216 are symmetrically distributed, the other ends of the pull rods 216 are hinged with the surfaces of the abutting blocks 215 through hinged shafts, the support plate 210 is connected with the base 110 through an angle adjusting mechanism 220, when the support plate 210 is adjusted to be abutted against the wall of a foundation pit, a user can rotate the rotating block 217 to enable the abutting blocks 215 to bear force, the second moving bin 212 is quickly extended outwards until the abutting block 215 abuts against the wall surface of the construction foundation pit, and the spikes fixed on the surface of the abutting block 215 can be quickly inserted into the soil layer on the wall surface of the foundation pit, so that the fixing effect of the supporting plate 210 is well improved;
furthermore, both ends of the abutting block 215 are fixedly connected with sliding blocks, the inner walls of both ends of the second moving bin 212 are provided with sliding grooves matched with the sliding blocks, when the abutting block 215 moves inside the second moving bin 212, the abutting block 215 drives the sliding blocks to slide inside the sliding grooves, and through the mutual matching of the sliding blocks and the sliding grooves, the moving track of the abutting block 215 can be well limited;
further, the angle adjusting mechanism 220 includes two fixing blocks 221, the two fixing blocks 221 are symmetrically distributed, a first rotating rod 222 is disposed in the middle of the fixing block 221, two ends of the first rotating rod 222 are both fixedly connected with the fixing blocks 221, one side of the support plate 210 is fixedly connected with the surface of the first rotating rod 222, a rotating turbine 223 is sleeved on the middle end of the surface of the first rotating rod 222, a turbine rod 224 is disposed below the rotating turbine 223, two ends of the turbine rod 224 are both connected with the surface of the base 110 through a bearing bracket, the surface of the turbine rod 224 is engaged with the surface of the rotating turbine 223, a fixing plate 225 is disposed on one side of the turbine rod 224, one end of the fixing plate 225 is fixedly connected with the surface of the base 110, a second rotating rod 226 is inserted at one end of the fixing plate 225, and one end of the second rotating rod 226 is in transmission connection with one side of the surface of the turbine rod 224 through a bevel gear, the user can be according to the degree of inclination on construction foundation ditch slope, and user's accessible rotates second bull stick 226, makes backup pad 210 make circular motion fast, carries out angle modulation to backup pad 210 fast.
The working principle is as follows: the user may use the device, move the device to the installation site via the hub 111, then, the user can rotate the rotating handle 118, so that the rotating handle 118 is forced to drive the gear ring 112 to rotate in the base 110, and when the gear ring 112 rotates, the inner wall of the gear ring 112 is continuously engaged with the surface of the first rotating gear 113, so that the first rotating gear 113 is forced to rotate in the gear ring 112, and the first rotation gear 113 drives the drill rod 114 to move in the same direction while rotating, the surface of the drill rod 114 is matched with the inner wall of the shrinkage groove 115 through the opened thread structure, the drill rod 114 can continuously move downwards, the drill rod 114 drives the drill bit 116 to continuously drill into the soil layer to be collided, the soil loosening sheet 117 rotates, the soil layer can be loosened quickly until the drill rod 114 is inserted into the deep position of the soil layer, so that the base 110 can be firmly fixed on the installation site;
then, according to the inclination degree of the slope of the construction foundation pit, a user can rotate the second rotating rod 226 to enable one end of the second rotating rod 226 to drive the bevel gear to be continuously engaged with the bevel gear sleeved on the surface of the turbine rod 224, so that the turbine rod 224 is forced to make a self-rotation motion, and when the turbine rod 224 is self-rotated, the surface of the turbine rod is continuously engaged with the rotating turbine 223, so that after the rotating turbine 223 is forced, the first rotating rod 222 is driven to rapidly self-rotate, so that the support plate 210 rapidly makes an arc motion until the support plate 210 is adjusted to be attached to the wall surface of the foundation pit, then, the user can rotate the rotating block 217 by rotating the rotating block 217, so that the rotating block 217 is forced to drive the first threaded rod 213 to self-rotate inside the first moving bin 211, and when the first threaded rod 213 is self-rotated, one end of the surface of the first threaded rod 213 is mutually engaged with one end of the linkage rod 219 through the bevel gear, so that the linkage rod 219 can be forced to self-rotate inside the first moving bin 211, similarly, when the linkage 219 rotates, the other end of the linkage 219 is engaged with the surface of the second threaded rod 218 through the bevel gear, so that the second threaded rod 218 can rotate inside the first moving bin 211, so that the first threaded rod 213 and the second threaded rod 218 rotate inside the first moving bin 211 in a linkage manner, the thread sleeves 214 are matched with each other through thread structures formed by the first threaded rod 213 and the second threaded rod 218, the thread sleeves 214 can slide on the surface of the second threaded rod 218 quickly, and when the thread sleeves 214 slide, the contact block 215 can be pushed quickly through the pull rod 216, so that after the contact block 215 is stressed, the contact block extends outwards inside the second moving bin 212 quickly until the contact block 215 is in contact with the wall surface of the construction foundation pit, and the fixing effect of the support plate 210 is improved.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a removable support of building engineering construction usefulness, includes fixed establishment subassembly (100), its characterized in that: the fixing mechanism component (100) comprises a base (110), wherein four surfaces at one end of the base (110) are fixedly connected with hubs (111), a gear ring (112) is arranged inside the hubs (111), four groups of first rotating gears (113) are arranged inside the gear ring (112), the surfaces of the first rotating gears (113) are all meshed with the inner wall of the gear ring (112), one end of the first rotating gear (113) is fixedly connected with a drill rod (114), four ends of the surface of one end of the base (110) are all provided with a contraction groove (115), one end of the drill rod (114) passes through the contraction groove (115) and extends to the outer side of the base (110), one end of the gear ring (112) is fixedly connected with a rotating handle (118), one end of the rotating handle (118) passes through the base (110) and extends to the outer side of the base (110), one side of one end of the base (110) is fixedly connected with a support plate installation mechanism assembly (200).
2. The detachable support for the construction of the building engineering according to claim 1, which is characterized in that: both sides of gear circle (112) one end all fixedly connected with slider, the spout of mutually supporting with the slider is seted up to the inner wall of base (110) one end.
3. The detachable support for the construction of the building engineering according to claim 1, which is characterized in that: the one end on drilling rod (114) surface all cup joints piece (117) of loosening soil, piece (117) of loosening soil all are the spiral and change, the one end of drilling rod (114) all fixedly connected with drill bit (116), drill bit (116) are triangle-shaped lug.
4. The detachable support for the construction of the building engineering according to claim 1, which is characterized in that: the support plate installation mechanism assembly (200) comprises a support plate (210), a first movement bin (211) is arranged on one side inside the support plate (210), second movement bins (212) are uniformly arranged on the surface of one side of the support plate (210), the insides of the second movement bins (212) are communicated with the insides of the first movement bins (211), a first threaded rod (213) is arranged at the middle end inside the first movement bin (211), one end of the first threaded rod (213) is connected with the inner wall of the first movement bin (211) through an embedded bearing, the other end of the first threaded rod (213) penetrates through the support plate (210) and extends to the outer side of the support plate (210), a rotating block (217) is fixedly connected to the other end of the first threaded rod (213), second threaded rods (218) are arranged on two sides inside the first movement bin (211), and two ends of the second threaded rods (218) are connected with the inner wall of the first movement bin (211) through embedded bearings, the two sides of the first threaded rod (213) are both provided with a linkage rod (219), the two ends of the surface of the linkage rod (219) are connected with the inner wall of the first motion bin (211) through a bearing frame, one side of the surface of the linkage rod (219) is in transmission connection with the surface of the first threaded rod (213) through a bevel gear, the other side of the surface of the linkage rod (219) is in transmission connection with the surface of the second threaded rod (218) through a bevel gear, the surfaces of the second threaded rod (218) and the first threaded rod (213) are both uniformly sleeved with a threaded sleeve (214), the interior of the second motion bin (212) is both provided with a touch block (215), the surface of the threaded sleeve (214) is hinged with two groups of pull rods (216) through a hinged shaft, the two groups of pull rods (216) are both symmetrically distributed, and the other end of each pull rod (216) is hinged with the surface of the touch block (215) through a hinged shaft, the supporting plate (210) is connected with the base (110) through an angle adjusting mechanism (220).
5. The detachable support for construction of building engineering according to claim 4, wherein: both ends of the contact block (215) are fixedly connected with sliding blocks, and the inner walls of both ends of the second motion bin (212) are provided with sliding grooves matched with the sliding blocks.
6. The detachable support for construction of building engineering according to claim 4, wherein: the angle adjusting mechanism (220) comprises fixing blocks (221), the fixing blocks (221) are two groups, two groups of fixing blocks (221) are symmetrically distributed, a first rotating rod (222) is arranged in the middle of each fixing block (221), two ends of each first rotating rod (222) are fixedly connected with the corresponding fixing block (221), one side of each supporting plate (210) is fixedly connected with the surface of the corresponding first rotating rod (222), a rotating turbine (223) is sleeved at the middle end of the surface of the corresponding first rotating rod (222), a turbine rod (224) is arranged below each rotating turbine (223), two ends of each turbine rod (224) are connected with the surface of the corresponding base (110) through bearing frames, the surface of each turbine rod (224) is meshed with the surface of the corresponding rotating turbine (223), a fixing plate (225) is arranged on one side of each turbine rod (224), and one end of each fixing plate (225) is fixedly connected with the surface of the corresponding base (110), a second rotating rod (226) is inserted into one end of the fixing plate (225), and one end of the second rotating rod (226) is in transmission connection with one side of the surface of the turbine rod (224) through a bevel gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120177082.2U CN214497533U (en) | 2021-01-22 | 2021-01-22 | Removable supporting is used in building engineering construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120177082.2U CN214497533U (en) | 2021-01-22 | 2021-01-22 | Removable supporting is used in building engineering construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214497533U true CN214497533U (en) | 2021-10-26 |
Family
ID=78216370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120177082.2U Expired - Fee Related CN214497533U (en) | 2021-01-22 | 2021-01-22 | Removable supporting is used in building engineering construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214497533U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115075258A (en) * | 2022-07-13 | 2022-09-20 | 哈尔滨工业大学（深圳） | Auxiliary construction equipment for side wall of foundation pit |
-
2021
- 2021-01-22 CN CN202120177082.2U patent/CN214497533U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115075258A (en) * | 2022-07-13 | 2022-09-20 | 哈尔滨工业大学（深圳） | Auxiliary construction equipment for side wall of foundation pit |
| CN115075258B (en) * | 2022-07-13 | 2023-05-02 | 哈尔滨工业大学（深圳） | Auxiliary construction equipment for side wall of foundation pit |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211026 |