CN211036999U - Vehicle-mounted elevator foundation pit reinforcing structure - Google Patents
Vehicle-mounted elevator foundation pit reinforcing structure Download PDFInfo
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- CN211036999U CN211036999U CN201921592297.XU CN201921592297U CN211036999U CN 211036999 U CN211036999 U CN 211036999U CN 201921592297 U CN201921592297 U CN 201921592297U CN 211036999 U CN211036999 U CN 211036999U
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Abstract
The utility model relates to a vehicle-mounted elevator foundation ditch reinforced structure relates to the construction field, include: foundation ditch and reinforcement subassembly, the foundation ditch is made by reinforced concrete, the foundation ditch includes: the main part is arranged in a square pit dug from ground downwards, the first bearing platform and the second bearing platform are arranged on the outer side of the top of the main part respectively, and a reinforcing component is arranged on the lower surface of the foundation pit and used for reinforcing the connection firmness between the ground and the foundation pit. The utility model has the advantages of stability, firmness and good bearing effect.
Description
Technical Field
The utility model belongs to the technical field of the construction technique and specifically relates to a car elevator foundation ditch reinforced structure is related to.
Background
At present high-rise building stands, the elevator is essential as the transportation equipment who serves the building for the high building basically, can reserve a very big position and be used for building the elevator foundation ditch according to the structure of elevator before the installation elevator, and the elevator foundation ditch plays the cushioning effect when the elevator uses, also overhauls, maintains the headspace for workman's later stage elevator in addition.
Now, a Chinese utility model patent with the application number of 201821047541.X is searched, and the Chinese utility model patent discloses an elevator shaft foundation pit which comprises a main body structure; the inner surface of the main structure is coated with cement-based capillary crystalline waterproof paint; an elevator shaft structure is arranged above the main body structure; the joint of the elevator shaft structure and the main body structure is coated with the cement-based capillary crystalline waterproof coating.
The above prior art solutions have the following drawbacks: compared with the whole foundation pit and the elevator, the installation mechanism of the foundation pit is thinner, only the periphery of the foundation pit is used for supporting the weight of the whole foundation pit and plays a role in buffering the elevator when the elevator descends, the support cannot be supported, and the foundation pit is easy to damage after being used for a long time.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a vehicle-mounted elevator foundation ditch reinforced structure has sound construction, stability, the effectual advantage of bearing.
The above object of the present invention can be achieved by the following technical solutions: a car elevator foundation pit reinforcing structure, comprising: foundation ditch and reinforcement subassembly, the foundation ditch is made by reinforced concrete, the foundation ditch includes: the main part is arranged in a square pit dug from ground downwards, the first bearing platform and the second bearing platform are arranged on the outer side of the top of the main part respectively, and a reinforcing component is arranged on the lower surface of the foundation pit and used for reinforcing the connection firmness between the ground and the foundation pit.
By adopting the technical scheme, the position of the main body can be effectively limited through the square pit, so that the foundation pit is more stably installed; the reinforced concrete has good tensile and compressive effects, and the foundation pit is made of reinforced concrete so as to effectively prevent the foundation pit from cracking; the first bearing platform and the second bearing platform can increase the contact area with the ground, so that the stress area is increased and the bearing weight is shared; the reinforcement assembly is used for reinforcing the connection firmness between the foundation pit and the ground, so that the foundation pit is more firm and stable in installation, and the bearing effect is better.
The utility model discloses further set up to, it includes to consolidate the subassembly: the outer diapire of main part is located on the end concrete layer, brick wall, first concrete layer and second concrete layer, the outer diapire of main part is located on the end concrete layer, the lateral wall of main part is located to the brick wall, the diapire of first cushion cap and second cushion cap is located respectively on first concrete layer and second concrete layer.
By adopting the technical scheme, the thicknesses of the bottom and the side wall of the main body are increased through the bottom concrete layer and the brick wall, and meanwhile, the strength and the hardness of the bottom and the side wall of the main body are enhanced, so that the bearing capacity of the foundation pit is enhanced; the thickness of the bottom of the first bearing platform and the bottom of the second bearing platform are enhanced through the first concrete layer and the second concrete layer, so that the bearing capacity of the first bearing platform and the bearing capacity of the second bearing platform are stronger, meanwhile, the first concrete layer and the second concrete layer are increased to enable the connection relation between the first bearing platform and the second bearing platform and the ground to be firmer and not easy to loosen, and the installation place of the vehicle-mounted elevator foundation pit is firmer and more stable.
The utility model is further provided with that the reinforcing component also comprises a first thickening structure which is in an inverted trapezoid shape and made of reinforced concrete, the first thickening structure is arranged on the lower surface of the first bearing platform and is close to one side of the main body, the reinforcing steel bars in the first thickening structure are also arranged in an inverted trapezoid shape and extend into the first bearing platform, and the reinforcing steel bars in the first thickening structure and the reinforcing steel bars in the first bearing platform are bound and fixed; the first concrete layer is provided with a first pit matched with the first thickening structure.
By adopting the technical scheme, the inverted trapezoid enables the first thickening structure to be matched with the first pit of the first concrete layer, and the first pit can limit the first thickening structure to slide, so that the connection relation between the first thickening structure and the first concrete layer is firmer; the inside reinforcing bar of first thickening structure sets up the same trapezoidal structure that falls, can increase the tie point in the space, and then fixed stable, firm frame construction of formation with the inside reinforcement of first cushion cap, makes the relation of connection between first cushion cap and the first thickening structure more firm.
The utility model discloses further set up to, the thickness of second cushion cap equals the thickness of first cushion cap, first cushion cap is close to inside and the second cushion cap of one end of main part are close to the inside water swelling sealing rod that all is provided with perpendicularly of one end of main part.
Through adopting above-mentioned technical scheme, inside the infiltration entering main part, can make inside mechanical part of main part and electrical components damage of intaking, the water swelling sealing rod that meets water that sets up produces 2-3 times of inflation deformation after meeting water, and be full of irregular surface, cavity and clearance, produce huge contact pressure simultaneously, and then can prevent effectively that the infiltration from getting into inside the main part, make the foundation ditch inside keep dry, avoid seeping water to damage mechanical part and electrical components, also make things convenient for the staff to get into inside the foundation ditch simultaneously and overhaul and maintain.
The utility model is further set up as, the reinforcing component also comprises a second thickening structure, the second thickening structure is in an inverted trapezoid shape and is made of reinforced concrete, the second thickening structure is arranged on the lower surface of the second bearing platform and is close to one side of the main body, the reinforcing steel bars in the second thickening structure are also in inverted trapezoid arrangement and extend into the second bearing platform, and the reinforcing steel bars in the second thickening structure and the reinforcing steel bars in the second bearing platform are bound and fixed; the second concrete layer is provided with a second pit matched with the second thickening structure.
By adopting the technical scheme, the inverted trapezoid enables the second thickening structure to be matched with the second pit of the second concrete layer, and the second pit can limit the second thickening structure to slide, so that the connection relationship between the second thickening structure and the second concrete layer is firmer; the inside reinforcing bar of second thickening structure sets up the same trapezoidal structure that falls, can increase the tie point in the space, and then fixed stable, firm frame construction of formation with the inside reinforcement of first cushion cap, makes the relation of connection between first cushion cap and the first thickening structure more firm.
The utility model discloses further set up to, the thickness of second cushion cap is greater than the thickness of first cushion cap, first cushion cap is close to the inside water swelling sealing rod that is equipped with perpendicularly of one end of main part, the second cushion cap is close to the inside slope of one end of main part is provided with water swelling sealing rod, the bottom of water swelling sealing rod runs through second concrete layer and pre-buried in the ground.
Through adopting above-mentioned technical scheme, inside the infiltration entering main part, can make inside mechanical part of main part and electrical components damage of intaking, the water swelling sealing rod that meets water that sets up produces 2-3 times of inflation deformation after meeting water, and be full of irregular surface, cavity and clearance, produce huge contact pressure simultaneously, and then can prevent effectively that the infiltration from getting into inside the main part, make the foundation ditch inside keep dry, avoid seeping water to damage mechanical part and electrical components, also make things convenient for the staff to get into inside the foundation ditch simultaneously and overhaul and maintain.
The utility model discloses further set up to, the upper surface on second concrete layer is equipped with outer formula waterstop of pasting.
Through adopting above-mentioned technical scheme, inside the infiltration entering main part, can make inside mechanical part of main part and electrical components damage of intaking, the high elasticity of rubber is utilized to outer formula waterstop, produces elastic deformation under various loads to play firm sealed, and then can effectively prevent to ooze inside getting into the main part, make the foundation ditch inside keep dry, avoid oozing water and damage mechanical part and electrical components, also make things convenient for the staff to get into inside the foundation ditch simultaneously and overhaul and maintain.
The utility model discloses further set up to, one side that the main part was kept away from to the brick wall is equipped with the side steel board, the side steel board is fixed in the main part through the stock, the stock runs through the brick wall and extends to the inside of main part side.
Through adopting above-mentioned technical scheme, connect main part, brick wall and side steel sheet through the stock and fix, thicken the thickness of main part side, and then the hardness and the intensity of reinforcing main part side can share the pressure that the survey face bore effectively.
The utility model discloses further set up to, the inside on end concrete layer is equipped with end steel sheet, the top of end steel sheet is equipped with the bar planting, the bar planting runs through end concrete layer and upwards extends to the inside on main part base.
Through adopting above-mentioned technical scheme, the hardness on bottom concrete layer is strengthened to the end steel sheet, and then strengthens its supporting effect, makes the relation of connection of main part bottom and end concrete layer more firm through the bar planting, and then makes the main part installation ground more stable, firm.
To sum up, the utility model discloses a beneficial technological effect does:
firstly, the position of the main body can be effectively limited through the square pit, so that the foundation pit is more stably installed; the reinforced concrete has good tensile and compressive effects, and the foundation pit is made of reinforced concrete so as to effectively prevent the foundation pit from cracking; the first bearing platform and the second bearing platform can increase the contact area with the ground, so that the stress area is increased and the bearing weight is shared; the reinforcing component is used for enhancing the connection firmness between the foundation pit and the ground, so that the foundation pit is more firm and stable to mount, and the bearing effect is better;
and secondly, the water seepage enters the main body, so that the mechanical parts and the electrical elements inside the main body are damaged by water inflow, the arranged water-swelling water stop bar which swells when meeting water generates 2-3 times of swelling deformation and is full of irregular surfaces, cavities and gaps, and simultaneously generates huge contact pressure, so that the water seepage can be effectively prevented from entering the main body, the inside of the foundation pit is kept dry, the water seepage is avoided, the mechanical parts and the electrical elements are damaged, and meanwhile, the maintenance and the repair are convenient for workers to enter the inside of the foundation pit.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a second embodiment of the present invention.
Reference numerals: 1. a foundation pit; 11. a main body; 12. a first bearing platform; 13. a second platform; 2. a reinforcement assembly; 21. a bottom concrete layer; 22. brick walls; 23. a first concrete layer; 24. a second concrete layer; 25. a first thickened structure; 26. a second thickened structure; 3. a side steel plate; 4. an anchor rod; 5. a bottom steel plate; 6. planting bars; 7. a water stop rod expanding when meeting water.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows:
referring to fig. 1, is a car elevator foundation ditch 1 reinforced structure, includes: foundation ditch 1 and reinforcement component 2, foundation ditch 1 is made by reinforced concrete, and foundation ditch 1 includes: main part 11, first cushion cap 12 and second cushion cap 13, main part 11 is located and is dug the square hole that forms downwards by ground, main part 11 top outside is located respectively to first cushion cap 12 and second cushion cap 13, scribble on the internal surface of main part 11 and brush the cement base infiltration crystallization type waterproof coating, waterproof caulking material is installed in the embedding of corner department in the inside of main part 11, main part 11 highly is 2000mm, the thickness of first cushion cap 12 is 400mm, the lower surface of foundation ditch 1 is equipped with reinforcement assembly 2, reinforcement assembly 2 is used for strengthening the fastness of being connected between ground and the foundation ditch 1.
The reinforcement assembly 2 includes: the bottom concrete layer 21 is arranged on the outer bottom wall of the main body 11, the thickness of the bottom concrete layer 21 is 100mm, the brick wall 22 is arranged on the outer side wall of the main body 11, and the first concrete layer 23 and the second concrete layer 24 are respectively arranged on the bottom walls of the first bearing platform 12 and the second bearing platform 13.
The thickness of the bottom and the side wall of the main body 11 is increased through the bottom concrete layer 21 and the brick wall 22, and meanwhile, the strength and the hardness of the bottom and the side wall of the main body 11 are also enhanced, so that the bearing capacity of the foundation pit 1 is enhanced; the thickness of the bottoms of the first bearing platform 12 and the second bearing platform 13 is enhanced through the first concrete layer 23 and the second concrete layer 24, so that the bearing capacity of the first bearing platform 12 and the second bearing platform 13 is stronger, meanwhile, the first concrete layer 23 and the second concrete layer 24 are increased, the connection relation between the first bearing platform 12 and the second bearing platform 13 and the ground is firmer and not easy to loosen, and the installation ground of the vehicle-mounted elevator foundation pit 1 is firmer and more stable.
The reinforcing component 2 further comprises a first thickening structure 25, wherein the first thickening structure 25 is in an inverted trapezoid shape and made of reinforced concrete, the height of the first thickening structure 25 is 200mm, the first thickening structure 25 is arranged on the lower surface of the first bearing platform 12 and close to one side of the main body 11, reinforcing steel bars inside the first thickening structure 25 are also in inverted trapezoid arrangement and extend into the first bearing platform 12, and the reinforcing steel bars inside the first thickening structure 25 and the reinforcing steel bars inside the first bearing platform 12 are bound and fixed and then are subjected to spot welding reinforcement; first concrete layer 23 is provided with the first pit with first thickening structure 25 looks adaptation, and the reinforcing bar outside is all brushed anticorrosive antirust paint and is formed the inoxidizing coating.
The inverted trapezoid enables the first thickened structure 25 to be matched with the first pit of the first concrete layer 23, the first pit can limit the first thickened structure 25 to slide, and the connection relationship between the first thickened structure 25 and the first concrete layer 23 is firmer; the inside reinforcing bar of first thickening structure 25 sets up the same trapezoidal structure that falls, can increase the tie point in space, and then fixes the back spot welding with the inside reinforcement of first cushion cap 12 and consolidate and form stable, firm frame construction, makes the relation of connection between first cushion cap 12 and the first thickening structure 25 more firm.
The thickness of second cushion cap 13 equals the thickness of first cushion cap 12, and water-swelling sealing rod 7 is all provided with perpendicularly inside the one end that first cushion cap 12 is close to main part 11 and the one end that second cushion cap 13 is close to main part 11.
Inside infiltration entering main part 11, can make inside mechanical part of main part 11 and electrical components damage of intaking, the water swelling sealing rod 7 that meets water that sets up produces 2-3 times inflation deformation after meeting water, and be full of irregular surface, cavity and clearance, produce huge contact pressure simultaneously, and then can effectively prevent to ooze inside getting into main part 11, make 1 inside of foundation ditch keep dry, avoid oozing water and damage mechanical part and electrical components, also make things convenient for the staff to get into 1 inside of foundation ditch simultaneously and overhaul and maintain.
One side that main part 11 was kept away from to brick wall 22 is equipped with side steel sheet 3, side steel sheet 3 is fixed in main part 11 through stock 4, stock 4 runs through brick wall 22 and extends to the inside of main part 11 side, side steel sheet 3 and stock 4 constitute by the stainless steel, connect main part 11 through stock 4, brick wall 22 and side steel sheet 3 and fix, thicken the thickness of main part 11 side, and then the hardness and the intensity of reinforcing main part 11 side, can share the pressure that the survey face bore effectively.
The inside of end concrete layer 21 is equipped with end steel sheet 5, and the top of end steel sheet 5 is equipped with planting muscle 6, and planting muscle 6 runs through end concrete layer 21 and upwards extends to the inside on 11 bases of main part, and end steel sheet 5 comprises the stainless steel, and the outside of planting muscle 6 has to apply paint anticorrosive antirust paint with a brush and forms the inoxidizing coating.
The hardness of end steel sheet 5 reinforcing end concrete layer 21, and then its supporting effect strengthens, makes main part 11 bottom and end concrete layer 21's relation of connection more firm through bar planting 6, and then makes main part 11 install more stably, firmly.
The implementation principle of the embodiment is as follows: the position of the main body 11 can be effectively limited through the square pit, so that the foundation pit 1 is more stably installed; the reinforced concrete has good tensile and compressive effects, and the foundation pit 1 is made of reinforced concrete, so that the foundation pit 1 can be effectively prevented from cracking; the first bearing platform 12 and the second bearing platform 13 can increase the contact area with the ground, so as to increase the stress area and share the bearing weight; the reinforcing component 2 is used for reinforcing the connection firmness between the foundation pit 1 and the ground, so that the foundation pit 1 is more firmly and stably installed, and the bearing effect is better.
Example two:
referring to fig. 2, do the utility model discloses a 1 reinforced structure of on-vehicle elevator foundation ditch, the difference with embodiment one lies in:
the reinforcing component 2 further comprises a second thickening structure 26, the second thickening structure 26 is in an inverted trapezoid shape and made of reinforced concrete, the second thickening structure 26 is arranged on the lower surface of the second bearing platform 13 and close to one side of the main body 11, reinforcing steel bars inside the second thickening structure 26 are also in inverted trapezoid arrangement and extend into the second bearing platform 13, and the reinforcing steel bars inside the second thickening structure 26 and the reinforcing steel bars inside the second bearing platform 13 are bound and fixed and then are subjected to spot welding reinforcement; the second concrete layer 24 is provided with second recesses adapted to the second thickening 26.
The inverted trapezoid enables the second thickened structure 26 to be matched with a second pit of the second concrete layer 24, the second pit can limit the second thickened structure 26 to slide, and the connection relationship between the second thickened structure 26 and the second concrete layer 24 is firmer; the inside reinforcing bar of second thickening structure 26 sets up the same trapezoidal structure that falls, can increase the tie point in space, and then fixes back spot welding with the inside reinforcement of first cushion cap 12 and consolidate and form stable, firm frame construction, makes the relation of connection between first cushion cap 12 and the first thickening structure 25 more firm.
The thickness of second cushion cap 13 is greater than the thickness of first cushion cap 12, and first cushion cap 12 is close to the inside water stopping bar 7 that is equipped with of one end of main part 11 perpendicularly, and second cushion cap 13 is close to the inside slope of one end of main part 11 and is provided with water stopping bar 7 that swells with water, and the bottom of water stopping bar 7 that swells with water runs through second concrete layer 24 and pre-buries in the ground.
Inside infiltration entering main part 11, can make inside mechanical part of main part 11 and electrical components damage of intaking, the water swelling sealing rod 7 that meets water that sets up produces 2-3 times inflation deformation after meeting water, and be full of irregular surface, cavity and clearance, produce huge contact pressure simultaneously, and then can effectively prevent to ooze inside getting into main part 11, make 1 inside of foundation ditch keep dry, avoid oozing water and damage mechanical part and electrical components, also make things convenient for the staff to get into 1 inside of foundation ditch simultaneously and overhaul and maintain.
The upper surface of the second concrete layer 24 is provided with an externally attached water stop. Inside infiltration entering main part 11, can make inside mechanical part of main part 11 and electrical components damage of intaking, the high elasticity of rubber is utilized to the formula waterstop that pastes outward to produce elastic deformation under various loads to play firm sealed, and then can effectively prevent to ooze inside entering main part 11, make 1 inside of foundation ditch keep dry, avoid permeating water and damage mechanical part and electrical components, also make things convenient for the staff to get into 1 inside of foundation ditch to overhaul and maintain simultaneously.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (9)
1. The utility model provides a vehicle elevator foundation ditch reinforced structure which characterized in that includes: a foundation pit (1) and a reinforcing component (2),
the foundation pit (1) is made of reinforced concrete, and the foundation pit (1) comprises: main part (11), first cushion cap (12) and second cushion cap (13), main part (11) are located and are dug the square hole that forms downwards by ground in, main part (11) top outside is located respectively in first cushion cap (12) and second cushion cap (13), the lower surface of foundation ditch (1) is equipped with reinforcement component (2), reinforcement component (2) are used for strengthening the fastness of being connected between ground and foundation ditch (1).
2. The lift pit reinforcement structure of claim 1, characterized in that the reinforcement assembly (2) comprises: a bottom concrete layer (21), a brick wall (22), a first concrete layer (23) and a second concrete layer (24),
the bottom concrete layer (21) is arranged on the outer bottom wall of the main body (11), the brick wall (22) is arranged on the outer side wall of the main body (11), and the first concrete layer (23) and the second concrete layer (24) are respectively arranged on the bottom walls of the first bearing platform (12) and the second bearing platform (13).
3. The vehicle-mounted elevator foundation pit reinforcing structure according to claim 2, wherein the reinforcing component (2) further comprises a first thickening structure (25), the first thickening structure (25) is in an inverted trapezoid shape and is made of reinforced concrete, the first thickening structure (25) is arranged on the lower surface of the first bearing platform (12) and close to one side of the main body (11), reinforcing steel bars inside the first thickening structure (25) are also in an inverted trapezoid arrangement and extend into the first bearing platform (12), the reinforcing steel bars inside the first thickening structure (25) are bound and fixed with the reinforcing steel bars inside the first bearing platform (12),
the first concrete layer (23) is provided with a first pit matched with the first thickening structure (25).
4. A vehicle elevator foundation pit reinforcing structure according to claim 3, characterized in that the thickness of the second bearing platform (13) is equal to the thickness of the first bearing platform (12), and a water-swelling water stop bar (7) is vertically arranged inside one end of the first bearing platform (12) close to the main body (11) and inside one end of the second bearing platform (13) close to the main body (11).
5. The vehicle-mounted elevator foundation pit reinforcing structure according to claim 4, wherein the reinforcing component (2) further comprises a second thickened structure (26), the second thickened structure (26) is in an inverted trapezoid shape and is made of reinforced concrete, the second thickened structure (26) is arranged on the lower surface of the second bearing platform (13) and is close to one side of the main body (11), reinforcing steel bars inside the second thickened structure (26) are also in an inverted trapezoid arrangement and extend into the second bearing platform (13), the reinforcing steel bars inside the second thickened structure (26) are fixedly bound with the reinforcing steel bars inside the second bearing platform (13),
the second concrete layer (24) is provided with a second pit matched with the second thickening structure (26).
6. The vehicle-mounted elevator foundation pit reinforcing structure according to claim 2, wherein the thickness of the second bearing platform (13) is larger than that of the first bearing platform (12), a water-swelling water stop strip (7) is vertically arranged inside one end, close to the main body (11), of the first bearing platform (12), the water-swelling water stop strip (7) is obliquely arranged inside one end, close to the main body (11), of the second bearing platform (13), and the bottom end of the water-swelling water stop strip (7) penetrates through a second concrete layer (24) and is embedded in the ground.
7. The reinforcement structure for the foundation pit of the vehicle-mounted elevator according to claim 6, wherein an outer-attached water stop is provided on the upper surface of the second concrete layer (24).
8. A pit reinforcement structure for lift vehicles according to claim 2, characterized in that the side of the brick wall (22) far from the main body (11) is provided with a side steel plate (3), the side steel plate (3) is fixed on the main body (11) through an anchor rod (4), and the anchor rod (4) penetrates through the brick wall (22) and extends to the inside of the side of the main body (11).
9. The reinforcement structure for the foundation pit of the vehicle-mounted elevator as claimed in claim 2, wherein a bottom steel plate (5) is arranged inside the bottom concrete layer (21), a planting bar (6) is arranged at the top of the bottom steel plate (5), and the planting bar (6) penetrates through the bottom concrete layer (21) and extends upwards to the inside of the bottom edge of the main body (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921592297.XU CN211036999U (en) | 2019-09-23 | 2019-09-23 | Vehicle-mounted elevator foundation pit reinforcing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921592297.XU CN211036999U (en) | 2019-09-23 | 2019-09-23 | Vehicle-mounted elevator foundation pit reinforcing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211036999U true CN211036999U (en) | 2020-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921592297.XU Active CN211036999U (en) | 2019-09-23 | 2019-09-23 | Vehicle-mounted elevator foundation pit reinforcing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211036999U (en) |
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2019
- 2019-09-23 CN CN201921592297.XU patent/CN211036999U/en active Active
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