CN111453649A - Lifting device convenient to promote material in foundation construction - Google Patents
Lifting device convenient to promote material in foundation construction Download PDFInfo
- Publication number
- CN111453649A CN111453649A CN202010326524.5A CN202010326524A CN111453649A CN 111453649 A CN111453649 A CN 111453649A CN 202010326524 A CN202010326524 A CN 202010326524A CN 111453649 A CN111453649 A CN 111453649A
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- CN
- China
- Prior art keywords
- electric push
- push rod
- lifting
- base
- lifting device
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/10—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks
- B66F7/12—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by mechanical jacks
- B66F7/14—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by mechanical jacks screw operated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/08—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated
- B66F3/18—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated actuated through worm gearings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/44—Devices, e.g. jacks, adapted for uninterrupted lifting of loads with self-contained electric driving motors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F2700/00—Lifting apparatus
- B66F2700/04—Jacks with screw and nut
Abstract
The invention discloses a lifting device convenient for lifting materials in foundation construction, which comprises a roller, a drill bit, a chain wheel box, a first electric push rod, a sliding plate, a second electric push rod, a base, a placing plate, a pull rope, a threaded sleeve, a fixed pulley, a first stepping motor, a take-up pulley, a worm wheel, a worm, an installation box, a gear, a telescopic rod, a driving seat, a screw rod, an installation frame, a rack, a third electric push rod, a second stepping motor, a first chain wheel, a second chain wheel, an installation plate and a threaded rod. According to the invention, through the mutual matching of the pull rope, the placing plate, the electric push rod, the sliding plate and the installation box, the placing plate can be better accommodated, so that the size of the lifting device can be better adjusted, a large amount of space is prevented from being occupied when the lifting device is not used, and the waste of space is greatly reduced; can be better fix hoisting device, avoided hoisting device to rock in the course of the work and cause droing of material, also strengthened the practicality simultaneously.
Description
Technical Field
The invention relates to a lifting device for lifting materials, in particular to a lifting device convenient for lifting materials in foundation construction, and belongs to the technical field of foundation construction.
Background
The foundation refers to the soil body or the rock mass of the supporting foundation under the building, and the soil layer as building foundation divide into rock, rubble soil, sand soil, silt, stickness soil and artifical filled soil, and the foundation has natural foundation and artifical foundation two types, when building the foundation, often needs hoisting device to promote the material in the foundation construction.
Present hoisting device is most fixed, and occupation space is more when so not using to caused the waste in space, ground is most uneven in addition in the foundation construction, makes hoisting device rock in the course of the work very easily, thereby causes the material to drop from placing the board, very big reduction work efficiency, simultaneously also very big reduction the security. Therefore, a lifting device convenient for lifting materials in foundation construction is provided for solving the problems.
Disclosure of Invention
The present invention is directed to solving the above problems and providing a lifting device for facilitating the lifting of materials in the construction of a foundation.
The invention achieves the above objects through the following technical scheme, a lifting device convenient for lifting materials in foundation construction comprises a base and a mounting frame arranged at the top end of the base, wherein a third electric push rod horizontally arranged is fixedly connected to the inner side wall of the base, a sliding plate is fixedly connected with the telescopic end of the third electric push rod, the surface of the sliding plate is in sliding fit with the inner side wall of the base, a limiting component for limiting the position of the base is arranged at the bottom end of the sliding plate, a second electric push rod is hinged to the top end of the sliding plate, vertical and parallel lead screws are rotatably matched with the top end of the inner side of the mounting frame, each lead screw is in threaded connection with a driving seat, the same mounting box is fixedly connected onto the two driving seats, a placing plate is rotatably matched with a rotating shaft on the side wall of the mounting box through rotating fit, and the placing plate is rotatably matched with the telescopic end of the second electric push rod through a, install on the install bin and carry out the supporting component that supports placing the board, the mounting bracket inboard is installed and is driven lead screw pivoted rotation adjustment mechanism, first step motor is installed on the mounting bracket top, first step motor installs the take-up pulley through installing the drive shaft on first step motor drive end, the take-up pulley surface is around twining there is the stay cord, and the stay cord end with place board one end and be connected.
Preferably, rotation adjustment mechanism comprises the worm and the worm wheel that second step motor, level set up, and second step motor installs on the lateral wall of mounting bracket, worm normal running fit is on the inside wall of mounting bracket, and worm one end is connected with second step motor drive end, the worm wheel is installed on the lead screw, and worm wheel and worm meshing.
Preferably, the limiting assembly comprises a first electric push rod and a chain wheel box which are vertically arranged, the first electric push rod is arranged at the bottom end of the sliding plate, the first electric push rod is in sliding fit with a sliding groove arranged at the bottom end of the base, the chain wheel box is arranged on the telescopic end of the first electric push rod, a plurality of drill bits which are distributed in a rectangular array and are vertically arranged are rotatably matched on the top end of the inner side of the chain wheel box, each drill bit is provided with a second chain wheel, and a plurality of second chain wheels on each row are in transmission connection through chains arranged among the second chain wheels, wherein a row of drill bits are provided with first chain wheels, and a plurality of first chain wheels are in transmission connection through chains arranged among the first chain wheels, and one of them drill bit top fixedly connected with bull stick, every the drill bit bottom all runs through the perforation of seting up in sprocket case bottom and extends to sprocket case below.
Preferably, the supporting component comprises a thread bushing horizontally arranged, a telescopic rod horizontally arranged and a rack vertically arranged, the thread bushing is installed at the bottom end of the placing plate, the telescopic rod is rotatably matched on the side wall of the installing box, the telescopic rod fixedly connected with the threaded rod corresponding to the thread bushing is fixedly connected with the telescopic rod, the threaded rod is in threaded connection with the installing plate installed at the bottom end inside the installing box, a gear corresponding to the rack is installed on the telescopic rod, and the rack is installed on the base.
Preferably, the bottom ends of the sliding plate and the base are respectively provided with a roller.
Preferably, the mounting frame is provided with a fixed pulley, and the surface of the fixed pulley is wound with a pull rope.
Preferably, the telescopic rod is formed by sleeving two square sleeves.
The invention has the beneficial effects that:
1. through setting up the stay cord, placing mutually supporting between board, electric putter, slide and the install bin, can be better accomodate placing the board to can be better adjust hoisting device's size, occupy a large amount of spaces when having avoided not using, also greatly reduced the waste in space simultaneously.
2. Through setting up mutually supporting between electric putter, drill bit, sprocket and the sprocket case, can be better fix hoisting device, avoided hoisting device to rock in the course of the work and cause droing of material to very big improvement work efficiency, also strengthened the practicality simultaneously.
3. Through setting up mutually supporting between telescopic link, threaded rod, gear, rack and the electric putter, can be better support placing the board to very big improvement places the holding power of board, has also strengthened the practicality simultaneously.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic overall side view of the present invention;
FIG. 3 is a schematic bottom view of the connection between the slide plate and the base according to the present invention;
FIG. 4 is a schematic sectional view of the connection between the mounting box and the telescopic rod according to the present invention;
fig. 5 is a schematic view of the enlarged structure at a point a in fig. 1 according to the present invention.
In the figure: 1. the roller, 2, the drill bit, 3, the sprocket case, 4, first electric putter, 5, the slide, 6, second electric putter, 7, the base, 8, place the board, 9, the stay cord, 10, the thread bush, 11, the fixed pulley, 12, first step motor, 13, the take-up pulley, 14, the worm wheel, 15, the worm, 16, the install bin, 17, the gear, 18, the telescopic link, 19, the drive seat, 20, the lead screw, 21, the mounting bracket, 22, the rack, 23, third electric putter, 24, second step motor, 25, first sprocket, 26, the second sprocket, 27, the mounting panel, 28, the threaded rod.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below 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.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Referring to fig. 1-5, a lifting device for conveniently lifting materials in foundation construction comprises a base 7 and a mounting frame 21 mounted on the top end of the base 7, wherein a horizontally arranged third electric push rod 23 is fixedly connected to the inner side wall of the base 7, a sliding plate 5 is fixedly connected to the telescopic end of the third electric push rod 23, the surface of the sliding plate 5 is in sliding fit with the inner side wall of the base 7, a limiting component for limiting the position of the base 7 is mounted at the bottom end of the sliding plate 5, a second electric push rod 6 is hinged to the top end of the sliding plate 5, vertically and parallelly arranged lead screws 20 are rotatably fitted at the top end of the inner side of the mounting frame 21, a driving seat 19 is threadedly connected to each lead screw 20, the same mounting box 16 is fixedly connected to two driving seats 19, a placing plate 8 is rotatably fitted to the mounting box 16 through a rotating shaft rotatably fitted on the side wall, and place board 8 and through the flexible end normal running fit of the swivel of placing board 8 one end and second electric putter 6 of normal running fit, install on the install bin 16 and carry out the supporting component who supports placing board 8, drive lead screw 20 pivoted rotation adjustment mechanism is installed to the mounting bracket 21 inboard, first step motor 12 is installed on the mounting bracket 21 top, take-up pulley 13 is installed through installing the drive shaft on first step motor 12 drive end to first step motor 12, 13 surfaces of take-up pulley are around twining stay cord 9, and stay cord 9 end with place board 8 one end and be connected.
The rotation adjusting mechanism consists of a second stepping motor 24, a horizontally arranged worm 15 and a worm wheel 14, the second stepping motor 24 is installed on the side wall of the installation frame 21, the worm 15 is in rotating fit with the inner side wall of the installation frame 21, one end of the worm 15 is connected with the driving end of the second stepping motor 24, the worm wheel 14 is installed on the screw rod 20, and the worm wheel 14 is meshed with the worm 15; the limiting assembly comprises a first electric push rod 4 and a chain wheel box 3 which are vertically arranged, the first electric push rod 4 is arranged at the bottom end of a sliding plate 5, the first electric push rod 4 is in sliding fit with a sliding groove arranged at the bottom end of the base 7, the chain wheel box 3 is arranged at the telescopic end of the first electric push rod 4, a plurality of drill bits 2 which are distributed in a rectangular array and are vertically arranged are rotatably matched on the top end of the inner side of the chain wheel box 3, each drill bit 2 is provided with a second chain wheel 26, and the plurality of second sprockets 26 on each row are drivingly connected by a chain disposed between the second sprockets 26, a first chain wheel 25 is arranged on one row of the drill bits 2, and a plurality of the first chain wheels 25 are in transmission connection through chains arranged among the first chain wheels 25, the top end of one of the drill bits 2 is fixedly connected with a rotating rod, and the bottom end of each drill bit 2 penetrates through a through hole formed in the bottom end of the chain wheel box 3 and extends to the position below the chain wheel box 3; the supporting assembly comprises a horizontally arranged threaded sleeve 10, a horizontally arranged telescopic rod 18 and a vertically arranged rack 22, the threaded sleeve 10 is mounted at the bottom end of the placing plate 8, the telescopic rod 18 is in running fit with the side wall of the mounting box 16, the telescopic rod 18 is fixedly connected with a threaded rod 28 corresponding to the threaded sleeve 10 in a telescopic end mode, the threaded rod 28 is connected with the threaded sleeve 10 in a threaded mode better, the placing plate 8 is supported by the threaded rod 28, the threaded rod 28 is connected with a mounting plate 27 mounted at the bottom end of the inner side of the mounting box 16 in a threaded mode, a gear 17 corresponding to the rack 22 is mounted on the telescopic rod 18, the gear 17 is meshed with the rack 22 better, the gear 17 rotates, and the rack 22 is mounted on the base 7; the rollers 1 are arranged at the bottom ends of the sliding plate 5 and the base 7, so that the sliding plate 5 and the base 7 can be moved better; the mounting frame 21 is provided with the fixed pulley 11, and the surface of the fixed pulley 11 is wound with the pull rope 9, so that the friction force of the pull rope 9 can be reduced better; the telescopic rod 18 is formed by sleeving two square sleeves, so that the telescopic rod 18 can drive the threaded rod 28 to rotate better.
When the invention is used, electrical components appearing in the application are externally connected with a power supply and a control switch when in use, when materials are lifted, firstly, a rotating rod is rotated, the rotating rod drives a plurality of drill bits 2 to rotate through a first chain wheel 25, a second chain wheel 26 and a chain, then a first electric push rod 4 is started, the first electric push rod 4 drives the rotating drill bits 2 to move downwards through a chain wheel box 3, so that the drill bits 2 moving downwards are drilled into soil, a sliding plate 5 and a base 7 are fixed, then a first stepping motor 12, a second stepping motor 24 and a second electric push rod 6 are started, the first stepping motor 12 drives a take-up pulley 13 to rotate through a driving shaft, the take-up pulley 13 loosens a pull rope 9, meanwhile, the first stepping motor 12 drives a screw rod 20 to rotate through a worm 15 and a worm wheel 14, so that the screw rod 20 drives a placing plate 8 to move downwards through a driving seat 19 and a mounting box 16 under the action of the second electric push rod 6, after the placing plate 8 is moved to a corresponding position, the material is placed on the placing plate 8, and the second stepping motor 24 and the second electric push rod 6 are started simultaneously, so that the second stepping motor 24 drives the screw rod 20 to rotate reversely through the worm 15 and the worm wheel 14, the screw rod 20 drives the placing plate 8 to move upwards under the action of the second electric push rod 6 through the driving seat 19 and the mounting box 16, and the lifting of the material is completed;
when the installation box 16 drives the gear 17 to move downwards through the telescopic rod 18 and is meshed with the rack 22, the gear 17 is enabled to rotate under the action of the rack 22, the gear 17 drives the threaded rod 28 to rotate through the telescopic rod 18, the threaded rod 28 is enabled to move towards the direction far away from the threaded sleeve 10 under the action of the installation plate 27, and the threaded rod 28 is enabled to be separated from the threaded sleeve 10;
when accomodating placing plate 8, at first will place plate 8 and remove to the lower extreme, reopen first step motor 12 and second electric putter 6, make second electric putter 6 drive take-up pulley 13 through the drive shaft and rotate, make take-up pulley 13 contract stay cord 9, thereby make and rotate under the effect of the pulling of second electric putter 6 and stay cord 9, after placing plate 8 and accomodate into mounting bracket 21 inboard, reopen third electric putter 23 and second electric putter 6, make third electric putter 23 drive slide 5 and remove to base 7 direction, make second electric putter 6 shrink simultaneously, thereby accomodate slide 5 into base 7 inboard, thereby accomplish accomodating placing plate 8.
The first stepping motor 12 and the second stepping motor 24 are both YVP 90L-4 stepping motors manufactured by suma motors ltd of Nanjing, and supporting circuits thereof can be provided by the merchant.
The first electric push rod 4 and the third electric push rod 23 both adopt a L03 electric push rod produced by the city of Yuyao alpha Linear drive technology ltd and a related matched power supply and circuit thereof.
The second electric push rod 6 adopts a DYTP electric push rod produced by Jiafeng hydraulic complete equipment limited company in Yangzhou city and a related matched power supply and circuit thereof.
It is well within the skill of those in the art to implement and protect the present invention without undue experimentation and without undue experimentation that the present invention is directed to software and process improvements.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. The utility model provides a hoisting device convenient to carry out promotion to material in foundation construction, includes base (7) and installs mounting bracket (21) on base (7) top, its characterized in that: base (7) inside wall fixed connection has third electric putter (23) that the level set up, the flexible end fixedly connected with slide (5) of third electric putter (23), and slide (5) surface and base (7) inside wall sliding fit, slide (5) bottom is installed and is carried out the spacing subassembly of injecing base (7) position, slide (5) top articulates there is second electric putter (6), mounting bracket (21) inboard top normal running fit has vertical and parallel arrangement's lead screw (20), every equal threaded connection has drive seat (19), two on lead screw (20) the same install bin (16) of fixedly connected with on drive seat (19), install bin (16) have through the pivot normal running fit of normal running fit on install bin (16) lateral wall and place board (8), and place board (8) and rotate the end rotation of placing board (8) and second electric putter (6) through the change of normal running fit at the change of placing board (8) one end and the flexible end of second electric putter (6) The cooperation, install on install on install bin (16) and carry out the supporting component that supports placing board (8), drive lead screw (20) pivoted rotation adjustment mechanism is installed to mounting bracket (21) inboard, first step motor (12) are installed on mounting bracket (21) top, take-up pulley (13) are installed through installing the drive shaft on first step motor (12) drive end in first step motor (12), take-up pulley (13) surface winding has stay cord (9), and stay cord (9) end with place board (8) one end and be connected.
2. A lifting device for facilitating the lifting of material in foundation construction as claimed in claim 1, wherein: rotation adjustment mechanism comprises worm (15) and worm wheel (14) that second step motor (24), level set up, and install on the lateral wall of mounting bracket (21) second step motor (24), worm (15) normal running fit is on the inside wall of mounting bracket (21), and worm (15) one end is connected with second step motor (24) drive end, install on lead screw (20) worm wheel (14), and worm wheel (14) and worm (15) meshing.
3. A lifting device for facilitating the lifting of material in foundation construction as claimed in claim 1, wherein: the limiting assembly comprises a first electric push rod (4) and a chain wheel box (3) which are vertically arranged, the first electric push rod (4) is installed at the bottom end of a sliding plate (5), the first electric push rod (4) is in sliding fit with a sliding groove formed in the bottom end of a base (7), the chain wheel box (3) is installed at the telescopic end of the first electric push rod (4), a plurality of drill bits (2) which are distributed in a rectangular array and vertically arranged are rotationally matched on the top end of the inner side of the chain wheel box (3), a second chain wheel (26) is installed on each drill bit (2), a plurality of second chain wheels (26) on each row are connected through chain transmission arranged between the second chain wheels (26), a first chain wheel (25) is installed on one row of drill bits (2), and the first chain wheels (25) are connected through chain transmission arranged between the first chain wheels (25), and one of them drill bit (2) top fixedly connected with bull stick, every drill bit (2) bottom all runs through the perforation of seting up in sprocket case (3) bottom and extends to sprocket case (3) below.
4. A lifting device for facilitating the lifting of material in foundation construction as claimed in claim 1, wherein: the supporting component comprises a threaded sleeve (10) horizontally arranged, a telescopic rod (18) horizontally arranged and a rack (22) vertically arranged, the threaded sleeve (10) is installed at the bottom end of a placement plate (8), the telescopic rod (18) is rotatably matched on the side wall of an installation box (16), the telescopic rod (18) is fixedly connected with a threaded rod (28) corresponding to the threaded sleeve (10), the threaded rod (28) is connected with a mounting plate (27) installed at the inner side bottom end of the installation box (16) in a threaded mode, a gear (17) corresponding to the rack (22) is installed on the telescopic rod (18), and the rack (22) is installed on a base (7).
5. A lifting device for facilitating the lifting of material in foundation construction as claimed in claim 1, wherein: and the bottom ends of the sliding plate (5) and the base (7) are respectively provided with a roller (1).
6. A lifting device for facilitating the lifting of material in foundation construction as claimed in claim 1, wherein: the fixed pulley (11) is installed on the installation frame (21), and the surface of the fixed pulley (11) is wound with the pull rope (9).
7. A lifting device for facilitating the lifting of material in foundation construction according to claim 4, characterized in that: the telescopic rod (18) is formed by mutually sleeving two square sleeves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010326524.5A CN111453649B (en) | 2020-04-23 | 2020-04-23 | Lifting device convenient to promote material in foundation construction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010326524.5A CN111453649B (en) | 2020-04-23 | 2020-04-23 | Lifting device convenient to promote material in foundation construction |
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| CN111453649A true CN111453649A (en) | 2020-07-28 |
| CN111453649B CN111453649B (en) | 2021-08-27 |
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| CN111994315A (en) * | 2020-08-19 | 2020-11-27 | 安徽伟基基础工程有限公司 | Sand loading device for construction engineering construction |
| CN112058377A (en) * | 2020-08-19 | 2020-12-11 | 安徽伟基基础工程有限公司 | Grit breaker for construction |
| CN112267711A (en) * | 2020-10-29 | 2021-01-26 | 娄底高安环保科技有限公司 | Building construction strutting arrangement |
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|---|---|---|---|---|
| CN111994315A (en) * | 2020-08-19 | 2020-11-27 | 安徽伟基基础工程有限公司 | Sand loading device for construction engineering construction |
| CN112058377A (en) * | 2020-08-19 | 2020-12-11 | 安徽伟基基础工程有限公司 | Grit breaker for construction |
| CN112267711A (en) * | 2020-10-29 | 2021-01-26 | 娄底高安环保科技有限公司 | Building construction strutting arrangement |
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| Publication number | Publication date |
|---|---|
| CN111453649B (en) | 2021-08-27 |
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