CN115571813B - Lifting equipment for hoisting building board and using method thereof - Google Patents
Lifting equipment for hoisting building board and using method thereof Download PDFInfo
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- CN115571813B CN115571813B CN202211096384.2A CN202211096384A CN115571813B CN 115571813 B CN115571813 B CN 115571813B CN 202211096384 A CN202211096384 A CN 202211096384A CN 115571813 B CN115571813 B CN 115571813B
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000009434 installation Methods 0.000 claims abstract description 13
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 230000005484 gravity Effects 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 description 7
- 230000007704 transition Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000004579 marble Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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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
- B66F7/02—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms suspended from ropes, cables, or chains or screws and movable along pillars
- B66F7/025—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms suspended from ropes, cables, or chains or screws and movable along pillars 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
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/22—Lifting frames, e.g. for lifting vehicles; Platform lifts with tiltable platforms
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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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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/167—Tools or apparatus specially adapted for working-up plates, panels or slab shaped building elements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Civil Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention relates to the field of building board hoisting. The invention discloses lifting equipment for lifting a building board and a using method thereof, and aims to solve the problems that after the board is lifted to a specified position, an operator needs to adjust the position of the building board to install the building board on a roof, the building board needs to be pulled by the operator to adjust the position to find the installation position, and the friction force between the building board and a support frame below the building board is too large, so that the time and the labor are consumed during pulling. According to the invention, the plate is lifted to the designated position by the lifting device, then the position of the building plate can be easily adjusted by the lifting auxiliary device, the building plate is displaced by self weight through the inclination of the second supporting plate to form the position adjustment, the operation is simple and convenient, the labor is greatly saved, and the installation of the building plate by an operator is more convenient.
Description
Technical Field
The invention relates to the field of building board hoisting, in particular to lifting equipment for hoisting building boards and a using method thereof.
Background
The building board is used as a component of a building wall, a ceiling or a floor, has very wide application, is a very important part in the construction of an outer wall of a building, and mainly adopts materials such as wood, marble, glass, metal and the like.
The prior patent (publication number: CNBCN 111559711A) discloses a lifting device for building boards, which comprises a base frame, a base frame transition component, a cylinder seat component, a cylinder assembly component, a supporting component, a main shaft, a lifting arm attachment component and a telescopic rod seat, wherein the base frame is connected with the base frame transition component, the base frame transition component is rotatably connected with the cylinder seat component, the cylinder seat component is provided with the cylinder assembly component, the base frame is connected with the supporting component, the main shaft is assembled between the supporting components, the lifting arm attachment component is assembled on the main shaft, the cylinder assembly component is connected with the telescopic rod seat, the telescopic rod seat is also connected with the lifting arm attachment component, the lifting arm is used for lifting and transporting the building boards, and the lifting device can adapt to the working environment with large space and high position, and is simple in structure and high in safety performance. In the process of implementing the invention, the inventor finds that at least the following problems in the prior art are not solved:
when lifting operation is carried out on the building board, after the board is lifted to the designated position, the position of the building board is required to be adjusted by an operator to be installed on the roof, the building board is required to be pulled by the operator to be adjusted to find the position to be installed, the friction force between the building board and the support frame at the bottom is too large, time-consuming and labor-consuming when pulling can be caused, the board is prone to falling when pulling the board, and danger is easy to occur.
Disclosure of Invention
The invention aims to provide lifting equipment for lifting building boards and a using method thereof, so as to solve the problems in the background technology. In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a lifting means that building board hoists usefulness, includes support frame, promotion auxiliary device and hoisting device, hoisting device is the level and places subaerial, the support frame is fixed to be set up on hoisting device, promote fixed setting of auxiliary device on the support frame and with hoisting device normal running fit, its characterized in that: promote auxiliary device and include drive regulating part, support piece, control piece and kickball, the fixed top that sets up at the support frame of support piece, the drive regulating part sets up in support piece's bottom, the kickball is fixed to be set up at the top of drive regulating part and contradict the cooperation with support piece, control the setting of piece on hoisting device and with hoisting device normal running fit.
Preferably, support piece includes first backup pad, second backup pad and four groups connecting piece, the fixed top that sets up at the support frame of first backup pad, four groups two bisymmetry settings of connecting piece are between first backup pad and second backup pad, and four groups the both ends of connecting piece are connected with the bottom of the top of first backup pad and second backup pad respectively, every group the both ends of connecting piece respectively with first backup pad and second backup pad fixed connection, the top of second backup pad is still fixed and is equipped with protective frame.
Preferably, four groups the connecting piece all includes connecting rod and two spheroid seats, two spheroid seat respectively with the top of first backup pad and the bottom fixed connection of second backup pad, the both ends of connecting rod all are equipped with two upper and lower spheroid seat normal running fit's card ball.
Preferably, the drive regulating part includes a fixed hollow cylinder, bracing piece, universal spheroid, contact piece and resilience piece, the fixed bottom that sets up at first backup pad of a fixed hollow cylinder, universal spheroid joint on the inner wall of a fixed hollow cylinder and with a fixed hollow cylinder normal running fit, universal spheroidal central point puts and is equipped with the fluting, the bracing piece is fixed to be set up among the fluting, the bracing piece is including being located universal spheroidal upper end and being located universal spheroidal lower tip, the upper end length of bracing piece will be less than the length of tip down, contact piece setting in the upper end of bracing piece and with upper end sliding fit, resilience piece is fixed set up on first backup pad and with first backup pad sliding fit.
Preferably, the conflict piece is including conflict sleeve and conflict spring, the upper end of bracing piece is equipped with the holding tank, conflict sleeve setting in the holding tank and with holding tank sliding fit, the telescopic lower extreme of conflict is the opening form, the conflict spring sets up in the telescopic chamber of conflict through the telescopic opening of conflict, and the both ends of conflict spring are connected with telescopic inside and holding tank of conflict respectively, the fixed setting of top ball is in the telescopic top of conflict and contradicts the cooperation with the second backup pad.
Preferably, the resilience piece includes mount pad, annular spring and four resilience frames, be equipped with the opening in the first backup pad, the mount pad is fixed to be set up on first backup pad and be located the open-ended directly over, annular spring is located the mount pad and inconsistent with open-ended inner wall, four resilience frame slides and sets up on the mount pad and contradicts the cooperation with annular spring, four resilience frame and first backup pad sliding fit, the cooperation of contradicting of the upper end and the resilience frame of bracing piece.
Preferably, the control part comprises a limiting clamping seat, a sliding column, a handle, a control rod, two hinged frames, two driving blocks and two rotating rods, wherein the limiting clamping seat is arranged on the lifting device, the sliding column is arranged on the limiting clamping seat and is in sliding fit with the limiting clamping seat, the hinged frames are hinged to two sides of the sliding column at one end respectively, the hinged frames are reversely arranged, the two rotating rods are symmetrically and rotatably arranged on the limiting clamping seat and are in rotating fit with the limiting clamping seat, the two driving blocks are fixedly arranged on the two rotating rods respectively and are hinged to the two hinged frames respectively, the handle is arranged on one rotating rod, the control rod is arranged on the other rotating rod, and a rotating shaft is connected between the control rod and the supporting rod.
Preferably, hoisting device includes fixing base, lead screw slip table and hoisting frame, the fixing base is the level and places, lead screw slip table set up on the fixing base and with fixing base normal running fit, the hoisting frame set up on the slip table of lead screw slip table and with fixing base sliding fit, the fixed top that sets up at the hoisting frame of support frame, spacing cassette rotates around the centre of a circle of pivot and sets up on the hoisting frame.
Preferably, the lifting device for hoisting the building board and the using method thereof comprise the following steps:
s1: when an operator needs to lift the building board, the building board is placed on the second supporting plate, the supporting rod is clamped on the inner wall of the fixed hollow cylinder through the universal ball body to enable the supporting rod to rotate only through the universal ball body but not to move up and down, the supporting rod can be adjusted to be in a vertical state when the building board is lifted, the jacking ball can prop up the second supporting plate to enable the second supporting plate to be in a horizontal state on the four groups of connecting pieces, and in the process of enabling the second supporting plate to move upwards, the four groups of connecting pieces correspond to four corners of the second supporting plate and the jacking ball corresponds to a central point at the bottom of the second supporting plate to form five supporting points so that the second supporting plate can be in a stable state when moving upwards;
s2: the lifting frame is driven to move upwards through the screw rod sliding table, so that the building board is lifted to a proper position to be convenient for an operator to install, when the building board reaches the pre-installation height through the lifting device, the operator needs to adjust the position of the building board, the building board is adjusted to the position corresponding to the position where the building board needs to be installed on the roof to install, the operator can drive the supporting rod to move through the operation control piece, the supporting rod rotates in the fixed hollow cylinder through the universal ball body, when the supporting rod deviates and rotates, the jacking ball can displace, the jacking ball can be always in contact with the second supporting plate through the arranged abutting sleeve and the abutting spring, the position of a fulcrum of the second supporting plate can be changed through the displacement of the jacking ball, the second supporting plate is unbalanced, the side, opposite to the position of the jacking ball, of the second supporting plate is inclined downwards, the building board can tilt upwards through the self-gravity of the building board, the position of the building board on the second supporting plate is adjusted, the situation that the operator pulls the building board on the second supporting plate is not needed, the large labor force is consumed, and the situation that the building board falls during operation can be avoided;
the supporting rod is clamped in the fixed hollow cylinder through the universal ball body, the top ball becomes a fulcrum when the second supporting plate is pressed on the top ball, the upper end part and the lower end part of the supporting rod form labor-saving levers, so that an operator can adjust the position of the second supporting plate through the supporting rod to drive the building board to move more easily, the position of the building board can be easily adjusted through the lifting equipment, the building board can be moved through the self weight of the building board to form the position adjustment through the inclination of the second supporting plate, the operation is simple and convenient, the labor is greatly saved, and the operator can install the building board more conveniently;
s3: when an operator shifts the position of the supporting rod, the upper end part of the supporting rod can touch the rebounding frame, the second supporting plate can unbalance the vertical horse to incline, the rebounding frame enables the supporting rod vertical horse to reset through the arrangement of the annular spring after the second supporting plate is unbalanced, so that the jacking ball returns to the central position of the bottom of the second supporting plate, the second supporting plate is in a balanced state again, the phenomenon that the building board is dropped due to the fact that the building board shifts over gravity and slides down at an over-high speed when the second supporting plate inclines can be effectively avoided through the arrangement, the device can only slightly adjust the position of the building board, and the dangerous situation that the board is dropped can not occur;
s4: when the support rod drives the ball jacking to deviate, the second support plate can deviate from the position of the ball jacking in the opposite direction, in order to enable an operator to operate more conveniently, the operator can adjust the handle to enable one of the rotating rods to rotate, one of the rotating rods can drive one of the driving blocks to rotate, one of the driving blocks can drive one of the hinged frames to move, so that the sliding column can move in the limiting clamping seat, the sliding column can move to enable the other hinged frame to move, the other hinged frame can drive the other driving block to rotate, the other driving block can drive the other rotating rod to rotate in the opposite direction, the other rotating rod can enable the control rod to drive the support rod to move through the rotating shaft, and therefore when the operator controls the handle to move in one direction, the control rod drives the rotating shaft to enable the support rod to move in the opposite direction, the second support plate can move towards the direction in which the operator moves to push the handle to move, the operator can adjust the direction of the second support plate conveniently, and the operation of the operator is simpler and more convenient.
Compared with the prior art, the invention has the beneficial effects that:
when an operator needs to lift the building board, the building board is placed on the second supporting plate, the second supporting plate can be supported through the four groups of connecting pieces and the jacking balls, when the operator inclines the second supporting plate through the jacking balls, the second supporting plate can easily incline when the jacking balls move through the clamping balls at the two ends of the connecting rod and the arranged ball seats, and the building board can be effectively prevented from falling when the building board inclines through the protective frame at the top of the second supporting plate.
According to the invention, when the lifting device drives the second support plate to move upwards to lift the building board, the universal ball body is clamped on the inner wall of the fixed hollow cylinder, so that the support rod can only rotate through the universal ball body and cannot move up and down, and further when the building board is lifted, the support rod can be adjusted to be in a vertical state, the support ball can support the second support plate to enable the second support plate to be in a horizontal state on four groups of connecting pieces, so that the second support plate can be in a stable state when moving upwards by four groups of connecting pieces corresponding to four corners of the second support plate and five fulcrums corresponding to a central point at the bottom of the second support plate in the process of moving upwards, the phenomenon of shaking cannot occur, the phenomenon of falling of the board in the lifting process cannot occur, and the safety of personnel in the operation process is protected.
According to the building panel lifting device, when the building panel reaches the pre-installation height through the lifting device, an operator needs to adjust the position of the building panel and adjust the position to the position corresponding to the position of the building panel to be installed on the roof, the operator can drive the supporting rod to move through the operating part, the supporting rod rotates in the fixed hollow cylinder through the universal ball, when the supporting rod rotates in a shifting mode, the top ball can displace, the top ball can be always in contact with the second supporting plate through the arranged contact sleeve and the contact spring, the position of the fulcrum of the second supporting plate can be changed through the displacement of the top ball, the second supporting plate is unbalanced, one side of the second supporting plate opposite to the position of the top ball inclines downwards, the building panel can tilt and move on the second supporting plate through the self-gravity of the building panel, the position of the building panel on the second supporting plate can be adjusted, the consumed labor force is too large because the operator does not need to pull the building panel on the second supporting plate, the situation that the building panel falls when the supporting rod is pressed on the fixed hollow cylinder through the universal ball, the labor-saving operation of the second supporting rod, the operator can easily adjust the position of the building panel, and the labor-saving operation of the lifting device, and the labor-saving operation panel can be easily formed when the lifting operation device.
According to the invention, when an operator shifts the position of the supporting rod, the upper end part of the supporting rod can touch the rebounding frame, the second supporting plate can unbalance the vertical horse to incline, the rebounding frame can reset the supporting rod vertical horse through the arrangement of the annular spring after the second supporting plate is unbalanced, so that the jacking ball returns to the central position of the bottom of the second supporting plate, the second supporting plate is in a balanced state again, and the phenomenon that the building board drops due to overlarge self gravity and too high gliding speed when the second supporting plate inclines can be effectively avoided through the arrangement, so that the device can only slightly adjust the position of the building board, and the dangerous condition that the board drops can not occur.
In the invention, when the support rod drives the ball jacking to deviate, the second support plate can deviate towards the position opposite to the ball jacking, in order to enable the operation of an operator to be more convenient, the operator can adjust the handle to enable one of the rotating rods to rotate, the rotating of one of the rotating rods can drive one of the driving blocks to rotate, one of the driving blocks can drive one of the hinged frames to move, so that the sliding column can move in the limiting clamping seat, the sliding column can move to enable the other hinged frame to move, the other hinged frame can drive the other driving block to rotate, the other driving block can drive the other rotating rod to rotate reversely, the other rotating rod can enable the control rod to drive the support rod to move through the rotating shaft, and therefore, when the operator controls the handle to move towards one direction, the control rod drives the rotating shaft to enable the support rod to move towards the opposite direction, the second support plate can move towards the direction in which the operator moves to push the handle, the operator can conveniently adjust the direction of the second support plate, the operation of the operator can be more convenient, and the position of the sliding table can be adjusted on the lead screw rod through the sliding table.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic partial perspective view of a lift assist device according to the present invention;
FIG. 3 is a perspective view of the support member of the present invention;
FIG. 4 is a partial perspective sectional view of the lift assist device of the present invention;
FIG. 5 is a fragmentary perspective exploded view of the present invention;
FIG. 6 is a partial perspective result diagram of the present invention;
FIG. 7 is a perspective view of the resilient member of the present invention;
FIG. 8 is a perspective view of the manipulating member of the present invention;
fig. 9 is a perspective view of the lifting device of the present invention.
In the figure: 1. a support frame; 2. a lift assist device; 3. a support member; 31. a first support plate; 311. an opening; 32. a second support plate; 321. a protective frame; 4. a connecting member; 41. a connecting rod; 42. a sphere seat; 43. blocking the ball; 5. driving the adjusting member; 51. fixing the hollow cylinder; 52. a support bar; 521. accommodating a tank; 53. a universal ball; 6. a contact member; 61. abutting against the sleeve; 62. against the spring; 7. a resilient member; 71. a mounting seat; 72. an annular spring; 73. a rebounding frame; 8. an operation control member; 81. a limiting clamping seat; 82. a sliding post; 83. a grip; 84. a control lever; 85. a hinged frame; 86. a drive block; 87. rotating the rod; 88. a rotating shaft; 9. ejecting the ball; 10. a lifting device; 101. a fixed seat; 102. a screw rod sliding table; 103. a lifting frame.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Referring to fig. 1 to 9, the present invention provides a technical solution: the utility model provides a lifting means that building board hoists usefulness, includes support frame 1, promotes auxiliary device 2 and hoisting device 10, hoisting device 10 is the level and places subaerial, support frame 1 is fixed to be set up on hoisting device 10, promote auxiliary device 2 and fixed set up on support frame 1 and with hoisting device 10 normal running fit, its characterized in that: promote auxiliary device 2 including drive regulating part 5, support piece 3, control 8 and kicking ball 9, support piece 3 is fixed to be set up at the top of support frame 1, drive regulating part 5 sets up in support piece 3's bottom, kicking ball 9 is fixed to be set up at drive regulating part 5's top and contradict the cooperation with support piece 3, control 8 sets up on hoisting device 10 and with hoisting device 10 normal running fit.
In this embodiment, as shown in fig. 2, 3 and 4, the supporting member 3 includes a first supporting plate 31, a second supporting plate 32 and four sets of connecting members 4, the first supporting plate 31 is fixedly disposed on the top of the supporting frame 1, the four sets of connecting members 4 are symmetrically disposed between the first supporting plate 31 and the second supporting plate 32 in pairs, two ends of each set of connecting members 4 are respectively connected to the top of the first supporting plate 31 and the bottom of the second supporting plate 32, two ends of each set of connecting members 4 are respectively fixedly connected to the first supporting plate 31 and the second supporting plate 32, the top of the second supporting plate 32 is further fixedly provided with a protective frame 321, the four sets of connecting members 4 each include a connecting rod 41 and two sphere seats 42, the two sphere seats 42 are respectively fixedly connected to the top of the first supporting plate 31 and the bottom of the second supporting plate 32, and two ends of the connecting rod 41 are respectively provided with two blocking balls 43 rotatably matched with the upper and lower sphere seats 42; when the operating personnel need to lift building board, place building board on second backup pad 32, accessible four groups of connecting pieces 4 and kickball 9 support second backup pad 32, and when operating personnel made second backup pad 32 slope through kickball 9, second backup pad 32 can easily take place the slope when card ball 43 through connecting rod 41 both ends and the spheroid seat 42 that sets up then can make kickball 9 position move, and the phenomenon that falls appears when the protection frame 321 through second backup pad 32 top can effectively avoid building board slope.
In this embodiment, as shown in fig. 2, 4 and 5, the driving adjustment member 5 includes a fixed hollow cylinder 51, a support rod 52, a universal sphere 53, an abutting member 6 and a resilient member 7, the fixed hollow cylinder 51 is fixedly disposed at the bottom of the first support plate 31, the universal sphere 53 is clamped on the inner wall of the fixed hollow cylinder 51 and is rotatably engaged with the fixed hollow cylinder 51, a slot is disposed at a central position of the universal sphere 53, the support rod 52 is fixedly disposed in the slot, the support rod 52 includes an upper end portion located at the universal sphere 53 and a lower end portion located at the universal sphere 53, a length of the upper end portion of the support rod 52 is smaller than a length of the lower end portion, the abutting member 6 is disposed at the upper end portion of the support rod 52 and is slidably engaged with the upper end portion, and the resilient member 7 is fixedly disposed on the first support plate 31 and is slidably engaged with the first support plate 31; when the lifting device 10 drives the second supporting plate 32 to move upwards to lift the building board, the universal ball 53 is clamped on the inner wall of the fixed hollow cylinder 51, so that the supporting rod 52 can only rotate through the universal ball 53 and cannot move up and down, further, when the building board is lifted, the supporting rod 52 can be adjusted to be in a vertical state, the jacking ball 9 can prop up the second supporting plate 32 to enable the second supporting plate 32 to be in a horizontal state on the four groups of connecting pieces 4, further, the four groups of connecting pieces 4 correspond to four corners of the second supporting plate 32 in the upward movement process of the second supporting plate 32, and the jacking ball 9 corresponds to a central point at the bottom of the second supporting plate 32, so that five supporting points are formed, so that the second supporting plate 32 can be in a stable state when moving upwards, the phenomenon of shaking cannot occur, the phenomenon that the board falls in the lifting process cannot occur, and the personnel safety in the operation process is protected.
In this embodiment, as shown in fig. 2, 4 and 5, the abutting piece 6 includes an abutting sleeve 61 and an abutting spring 62, the upper end of the supporting rod 52 is provided with an accommodating groove 521, the abutting sleeve 61 is disposed in the accommodating groove 521 and is in sliding fit with the accommodating groove 521, the lower end of the abutting sleeve 61 is in the shape of an opening 311, the abutting spring 62 is disposed in a cavity of the abutting sleeve 61 through the opening 311 of the abutting sleeve 61, two ends of the abutting spring 62 are respectively connected with the inside of the abutting sleeve 61 and the accommodating groove 521, and the abutting ball 9 is fixedly disposed at the top of the abutting sleeve 61 and is in abutting fit with the second supporting plate 32; when the building board reaches the pre-installation height through the lifting device 10, the operator needs to adjust the position of the building board to the position corresponding to the building board to be installed on the roof for installation, at this time, the operator can drive the support rod 52 to move through the operation member 8, so that the support rod 52 rotates in the fixed hollow cylinder 51 through the universal sphere 53, when the support rod 52 is deflected and rotated, the top ball 9 will be displaced, and the top ball 9 can be always contacted with the second support plate 32 through the arranged interference sleeve 61 and the interference spring 62, further, the position of the fulcrum of the second support plate 32 is changed by the displacement of the head ball 9, and the second support plate 32 is unbalanced, so that the side of the second support plate 32 opposite to the position of the head ball 9 is inclined downward, the building board is inclined and moved on the second support plate 32 by the self-gravity of the building board, further adjusting the position of the building board on the second supporting plate 32, without the need of pulling the building board on the second supporting plate 32 by an operator, which results in too much labor consumption, and avoiding the situation that the personnel falls off when the personnel pulls the building board in the operation, the supporting rod 52 is clamped in the fixed hollow cylinder 51 through the universal ball 53, the top ball 9 becomes a fulcrum when the second supporting plate 32 is pressed on the top ball 9, the upper end part and the lower end part of the supporting rod 52 form a labor-saving lever, so that an operator can adjust the position of the second supporting plate 32 through the supporting rod 52 to drive the building board to move more easily, through lifting means can easily adjust building board's position, the slope through second backup pad 32 makes building board take place the adjustment that the displacement formed the position through the dead weight of itself, and easy operation is convenient, and is very laborsaving, and it is more convenient when making operating personnel to building board installation.
In this embodiment, as shown in fig. 6 and 7, the resilient member 7 includes an installation seat 71, a ring spring 72, and four resilient frames 73, an opening 311 is disposed on the first support plate 31, the installation seat 71 is fixedly disposed on the first support plate 31 and is located right above the opening 311, the ring spring 72 is located in the installation seat 71 and abuts against an inner wall of the opening 311, the four resilient frames 73 are slidably disposed on the installation seat 71 and are in interference fit with the ring spring 72, the four resilient frames 73 are in sliding fit with the first support plate 31, and an upper end of the support rod 52 is in interference fit with the resilient frames 73; when operating personnel made the offset of bracing piece 52, the upper end of bracing piece 52 then can touch with resilience frame 73, second backup pad 32 then can unbalance immediately the horse and take place the slope this moment, resilience frame 73 then makes bracing piece 52 immediately the horse reset through setting up of ring spring 72 after second backup pad 32 unbalance thereby make the knob 9 get back to the central point that second backup pad 32 bottom put, thereby make second backup pad 32 be in balanced state again, and through this setting up the phenomenon that can effectually avoid building board skew self gravity too big gliding speed too fast to lead to panel to appear dropping when second backup pad 32 takes place the slope, make this equipment realize the slight adjustment of building board position only, the dangerous condition that panel falls can not appear.
In this embodiment, as shown in fig. 1 and 8, the manipulating component 8 includes a limiting clamping seat 81, a sliding column 82, a handle 83, a manipulating rod 84, two hinge brackets 85, two driving blocks 86 and two rotating rods 87, the limiting clamping seat 81 is disposed on the lifting device 10, the sliding column 82 is disposed on the limiting clamping seat 81 and is in sliding fit with the limiting clamping seat 81, one ends of the two hinge brackets 85 are respectively hinged to two sides of the sliding column 82, the two hinge brackets 85 are disposed in opposite directions, the two rotating rods 87 are symmetrically and rotatably disposed on the limiting clamping seat 81 and are in rotating fit with the limiting clamping seat 81, the two driving blocks 86 are respectively and fixedly disposed on the two rotating rods 87, the two driving blocks 86 are respectively hinged to the two hinge brackets 85, the handle 83 is disposed on one of the rotating rods 87, the manipulating rod 84 is disposed on the other rotating rod 87, and a rotating shaft 88 is connected between the manipulating rod 84 and the supporting rod 52; when the supporting rod 52 drives the top ball 9 to shift, the second supporting plate 32 may shift toward the position opposite to the top ball 9, in order to make the operation of the operator more convenient, the operator may adjust the handle 83 to rotate one of the rotating rods 87, and rotate one of the rotating rods 87 to rotate one of the driving blocks 86, one of the driving blocks 86 may drive one of the hinge brackets 85 to move, so that the sliding column 82 may move in the position-limiting cassette 81, and the sliding column 82 may move to move the other hinge bracket 85 arranged in the opposite direction, so that the other hinge bracket 85 may drive the other driving block 86 to rotate, so that the other driving block 86 may drive the other rotating rod 87 to rotate in the opposite direction, and the other rotating rod 87 may rotate in the opposite direction, so that the operating rod 84 may drive the supporting rod 52 to move through the rotating shaft 88, thereby when the operating handle 83 moves in one direction, the operating rod 84 may drive the rotating shaft 88 to move the supporting rod 52 in the opposite direction, so that the second supporting plate 32 may move toward the direction in which the operating rod 52 is pushed by the operating rod 88, so that the operating rod 32 may adjust the direction of the second supporting plate 32, so that the position of the sliding platform 81 may be adjusted, and the sliding platform may be inclined in any position of the sliding table 102.
In this embodiment, as shown in fig. 1 and 9, the lifting device 10 includes a fixed seat 101, a screw rod sliding table 102 and a lifting frame 103, the fixed seat 101 is placed horizontally, the screw rod sliding table 102 is disposed on the fixed seat 101 and is in running fit with the fixed seat 101, the lifting frame 103 is disposed on the sliding table of the screw rod sliding table 102 and is in sliding fit with the fixed seat 101, the support frame 1 is fixedly disposed at the top of the lifting frame 103, and the limiting clamping seat 81 is rotatably disposed on the lifting frame 103 around the center of the rotation shaft 88.
The use method and the advantages of the invention are as follows: the lifting equipment for hoisting the building board and the using method thereof have the following working processes:
as shown in fig. 1, 2, 3, 4, 5, 6, 7, 8, and 9:
s1: when an operator needs to lift the building board, the building board is placed on the second supporting plate 32, the universal ball 53 is clamped on the inner wall of the fixed hollow cylinder 51, so that the supporting rod 52 can only rotate through the universal ball 53 and cannot move up and down, the supporting rod 52 can be adjusted to be in a vertical state when the building board is lifted, the jacking ball 9 can support the second supporting plate 32 to enable the second supporting plate 32 to be in a horizontal state on the four groups of connecting pieces 4, and further, in the process that the second supporting plate 32 moves upwards, the four corners of the second supporting plate 32 are corresponding to the four groups of connecting pieces 4, and the central point of the bottom of the second supporting plate 32 is corresponding to the jacking ball 9 through the five supporting points so as to form five supporting points, so that the second supporting plate 32 can be in a stable state when moving upwards;
s2: then, the lifting frame 103 is driven to move upwards through the screw rod sliding table 102, so that the building board is lifted to a proper position to be convenient for an operator to install, when the building board reaches the pre-installation height through the lifting device 10, the operator needs to adjust the position of the building board and adjusts the position to the position corresponding to the building board to be installed on the roof to install, at the moment, the operator can drive the supporting rod 52 to move through the operating control part 8, so that the supporting rod 52 rotates in the fixed hollow cylinder 51 through the universal ball body 53, when the supporting rod 52 rotates in a deviation manner, the top ball 9 can displace, the top ball 9 can be always contacted with the second supporting plate 32 through the arranged contact sleeve 61 and the contact spring 62, further, the position of the fulcrum of the second supporting plate 32 can be changed through the displacement of the top ball 9, so that the second supporting plate 32 is unbalanced, the side, opposite to the position of the second supporting plate 32 and the top ball 9, the building board tilts downwards through the self-gravity of the building board, so that the building board can tilt and further adjust the position of the building board on the second supporting plate 32, the situation that the labor force of the building board can be prevented from being pulled too much when the building board is dropped;
the supporting rod 52 is clamped in the fixed hollow cylinder 51 through the universal ball 53, the top ball 9 becomes a fulcrum when the second supporting plate 32 is pressed on the top ball 9, the upper end part and the lower end part of the supporting rod 52 form labor-saving levers, so that an operator can adjust the position of the second supporting plate 32 through the supporting rod 52 to drive the building board to move more easily, the position of the building board can be easily adjusted through the lifting equipment, the building board can move through self weight through the inclination of the second supporting plate 32 to form the position adjustment, the operation is simple and convenient, the labor is saved greatly, and the operator can install the building board more conveniently;
s3: when an operator shifts the position of the support rod 52, the upper end of the support rod 52 can touch the rebounding frame 73, the second support plate 32 can be unbalanced and the rebounding frame 73 can reset the support rod 52 through the arrangement of the annular spring 72 after the second support plate 32 is unbalanced, so that the jacking ball 9 returns to the central position of the bottom of the second support plate 32, the second support plate 32 is in a balanced state again, and the phenomenon that the building board drops due to the fact that the building board shifts over gravity and slides down at an excessively high speed when the second support plate 32 is tilted can be effectively avoided through the arrangement, so that the device can only slightly adjust the position of the building board, and the dangerous situation that the board drops can not occur;
s4: when the supporting rod 52 drives the top ball 9 to shift, the second supporting plate 32 shifts to the position opposite to the top ball 9, and in order to make the operation of the operator more convenient, the operator can adjust the handle 83 to rotate one of the rotating rods 87, and rotate one of the rotating rods 87 to drive one of the driving blocks 86 to rotate, one of the driving blocks 86 can drive one of the hinge brackets 85 to move, so that the sliding column 82 can move in the limiting clamping seat 81, the sliding column 82 can move to move the other hinge bracket 85 arranged in the opposite direction, and further the other hinge bracket 85 can drive the other driving block 86 to rotate, so that the other driving block 86 can drive the other rotating rod 87 to rotate in the opposite direction, and the other rotating rod 87 can make the control rod 84 drive the supporting rod 52 to move through the rotating shaft 88, thereby when the operator controls the handle 83 to move in one direction, the control rod 84 drives the rotating shaft 88 to move the supporting rod 52 in the opposite direction, and further the second supporting plate 32 moves towards the direction in which the operator pushes the handle 83, so that the operator can adjust the direction of the second supporting plate 32, and the operator can operate more conveniently.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. The utility model provides a lifting means that building board hoists usefulness, includes support frame (1), promotes auxiliary device (2) and hoisting device (10), hoisting device (10) are the level and place subaerial, support frame (1) is fixed to be set up on hoisting device (10), promote auxiliary device (2) and fixed set up on support frame (1) and with hoisting device (10) normal running fit, its characterized in that: the lifting auxiliary device (2) comprises a driving adjusting part (5), a supporting part (3), an operating part (8) and a jacking ball (9), the supporting part (3) is fixedly arranged at the top of the supporting frame (1), the driving adjusting part (5) is arranged at the bottom of the supporting part (3), the jacking ball (9) is fixedly arranged at the top of the driving adjusting part (5) and is in interference fit with the supporting part (3), and the operating part (8) is arranged on the lifting device (10) and is in running fit with the lifting device (10);
the supporting piece (3) comprises a first supporting plate (31), a second supporting plate (32) and four groups of connecting pieces (4), the first supporting plate (31) is fixedly arranged at the top of the supporting frame (1), the four groups of connecting pieces (4) are symmetrically arranged between the first supporting plate (31) and the second supporting plate (32) in pairs, two ends of the four groups of connecting pieces (4) are respectively connected with the top of the first supporting plate (31) and the bottom of the second supporting plate (32), two ends of each group of connecting pieces (4) are respectively fixedly connected with the first supporting plate (31) and the second supporting plate (32), and the top of the second supporting plate (32) is also fixedly provided with a protective frame (321);
the drive adjusting part (5) comprises a fixed hollow cylinder (51), a supporting rod (52), a universal ball body (53), a butting part (6) and a springback part (7), the fixed hollow cylinder (51) is fixedly arranged at the bottom of the first supporting plate (31), the universal ball body (53) is connected to the inner wall of the fixed hollow cylinder (51) in a clamped mode and is in running fit with the fixed hollow cylinder (51), a slot is formed in the center of the universal ball body (53), the supporting rod (52) is fixedly arranged in the slot, the supporting rod (52) comprises an upper end portion located on the universal ball body (53) and a lower end portion located on the universal ball body (53), the length of the upper end portion of the supporting rod (52) is smaller than that of the lower end portion, the butting part (6) is arranged at the upper end portion of the supporting rod (52) and is in sliding fit with the upper end portion, and the springback part (7) is fixedly arranged on the first supporting plate (31) and is in sliding fit with the first supporting plate (31);
the abutting part (6) comprises an abutting sleeve (61) and an abutting spring (62), an accommodating groove (521) is formed in the upper end of the supporting rod (52), the abutting sleeve (61) is arranged in the accommodating groove (521) and is in sliding fit with the accommodating groove (521), the lower end of the abutting sleeve (61) is in an opening (311) shape, the abutting spring (62) is arranged in a cavity of the abutting sleeve (61) through an opening (311) of the abutting sleeve (61), two ends of the abutting spring (62) are respectively connected with the inside of the abutting sleeve (61) and the accommodating groove (521), and the abutting ball (9) is fixedly arranged at the top of the abutting sleeve (61) and is in abutting fit with the second supporting plate (32);
the rebound part (7) comprises a mounting seat (71), a ring-shaped spring (72) and four rebound frames (73), an opening (311) is formed in the first supporting plate (31), the mounting seat (71) is fixedly arranged on the first supporting plate (31) and is located right above the opening (311), the ring-shaped spring (72) is located in the mounting seat (71) and is abutted to the inner wall of the opening (311), the four rebound frames (73) are slidably arranged on the mounting seat (71) and are abutted and matched with the ring-shaped spring (72), the four rebound frames (73) are slidably matched with the first supporting plate (31), and the upper end of the supporting rod (52) is abutted and matched with the rebound frames (73);
the operating and controlling part (8) comprises a limiting clamping seat (81), a sliding column (82), a handle (83), an operating rod (84), two hinging frames (85), two driving blocks (86) and two rotating rods (87), the limiting clamping seat (81) is arranged on the lifting device (10), the sliding column (82) is arranged on the limiting clamping seat (81) and is in sliding fit with the limiting clamping seat (81), one end of each hinging frame (85) is hinged to two sides of the sliding column (82), the two hinging frames (85) are arranged in opposite directions, the two rotating rods (87) are symmetrically and rotatably arranged on the limiting clamping seat (81) and are in rotating fit with the limiting clamping seat (81), the two driving blocks (86) are fixedly arranged on the two rotating rods (87) respectively, the two driving blocks (86) are hinged to the two hinging frames (85) respectively, the handle (83) is arranged on one of the rotating rods (87), the operating rod (84) is arranged on the other rotating rod (87), and a rotating shaft (52) is connected between the operating rod (84) and the rotating rod (88);
lifting device (10) are including fixing base (101), lead screw slip table (102) and hoisting frame (103), fixing base (101) are the level and place, lead screw slip table (102) set up on fixing base (101) and with fixing base (101) normal running fit, hoisting frame (103) set up on the slip table of lead screw slip table (102) and with fixing base (101) sliding fit, the fixed top that sets up at hoisting frame (103) in support frame (1), spacing cassette (81) rotate around the centre of a circle of pivot (88) and set up on hoisting frame (103).
2. The lifting device for hoisting building boards according to claim 1, wherein: four groups connecting piece (4) all include connecting rod (41) and two spheroid seats (42), two spheroid seat (42) respectively with the top of first backup pad (31) and the bottom fixed connection of second backup pad (32), the both ends of connecting rod (41) all are equipped with upper and lower two spheroid seats (42) normal running fit's card ball (43).
3. A method of using a lifting device for lifting building boards as claimed in claim 1, comprising the steps of:
s1: when an operator needs to lift the building board, the building board is placed on the second supporting plate (32), the universal ball body (53) is clamped on the inner wall of the fixed hollow cylinder (51) to enable the supporting rod (52) to rotate only through the universal ball body (53) and cannot move up and down, then the supporting rod (52) can be adjusted to be in a vertical state when the building board is lifted, the second supporting plate (32) can be supported by the jacking ball (9) to enable the second supporting plate (32) to be in a horizontal state on the four groups of connecting pieces (4), and then the second supporting plate (32) can be in a stable state when moving upwards through the four groups of connecting pieces (4) corresponding to four corners of the second supporting plate (32) and the jacking ball (9) corresponding to a central point at the bottom of the second supporting plate (32) to form five supporting points;
s2: then, the lifting frame (103) is driven to move upwards through the screw rod sliding table (102), the building board is lifted to a proper position to be convenient for an operator to install, when the building board reaches the pre-installation height through the lifting device (10), the operator needs to adjust the position of the building board and adjusts the position to the position corresponding to the building board to be installed on the roof to install, at the moment, the operator can drive the supporting rod (52) to move through the operation control piece (8), the supporting rod (52) rotates in the fixed hollow cylinder (51) through the universal ball body (53), when the supporting rod (52) deviates and rotates, the jacking ball (9) can displace, the jacking ball (9) can be always in contact with the second supporting plate (32) through the arranged abutting sleeve (61) and the abutting spring (62), further, the fulcrum position of the second supporting plate (32) can be changed through the displacement of the jacking ball (9), further, the second supporting plate (32) is unbalanced, the second supporting plate (32) is adjusted to be opposite to the position of the jacking ball (9), further, the building board can be adjusted by gravity of the building board in operation, and the situation that the building board is inclined upwards to be pulled, and the building board can be prevented from falling on the second supporting plate (32), and the building board can be pulled by the operator, and the operator can be pulled, and the situation that the building board (32) is too much, and the building board can be pulled, and the building board is fallen down;
the supporting rod (52) is clamped in the fixed hollow cylinder (51) through a universal ball body (53), the top ball (9) becomes a fulcrum when the second supporting plate (32) is pressed onto the top ball (9), the upper end part and the lower end part of the supporting rod (52) form labor-saving levers, so that an operator can adjust the position of the second supporting plate (32) through the supporting rod (52) to drive the building board to move more labor-saving, the lifting equipment can easily adjust the position of the building board, the building board can move through the self weight of the building board through the inclination of the second supporting plate (32) to form the position adjustment, the operation is simple and convenient, the labor is greatly saved, and the operator can install the building board more conveniently;
s3: when an operator enables the position of the supporting rod (52) to deviate, the upper end part of the supporting rod (52) can touch the rebounding frame (73), the second supporting plate (32) can be unbalanced and stand upright to incline, the rebounding frame (73) enables the supporting rod (52) to stand upright and reset through the arrangement of the annular spring (72) after the second supporting plate (32) is unbalanced, so that the jacking ball (9) returns to the central position of the bottom of the second supporting plate (32), the second supporting plate (32) is in a balanced state again, and the phenomenon that the building board falls due to the fact that the building board deviates self gravity and slides down at an excessively high speed when the second supporting plate (32) inclines can be effectively avoided through the arrangement, the device can only slightly adjust the position of the building board, and the dangerous situation that the building board falls cannot occur;
s4: when the supporting rod (52) drives the top ball (9) to shift, the second supporting plate (32) will shift to the position opposite to the top ball (9), in order to make the operation more convenient, the operator can adjust the grip (83) to rotate one of the rotating rods (87), one of the rotating rods (87) rotates to drive one of the driving blocks (86) to rotate, one of the driving blocks (86) drives one of the hinge brackets (85) to move, thereby the sliding column (82) can move in the limit clamping seat (81), the sliding column (82) can move to enable the other hinge frame (85) which is arranged in the opposite direction to move, so that the other hinge frame (85) drives the other driving block (86) to rotate, the other driving block (86) can drive the other rotating rod (87) to rotate reversely, the other rotating rod (87) rotates reversely, the control rod (84) drives the supporting rod (52) to move through the rotating shaft (88), thereby realizing that when the operator controls the handle (83) to move towards one direction, the control rod (84) drives the rotating shaft (88) to enable the support rod (52) to move towards the opposite direction, and then the second support plate (32) moves towards the direction that the operator moves to push the grip (83), so that the operator can conveniently adjust the direction of the second support plate (32), and the operation of the operator is simpler and more convenient.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211096384.2A CN115571813B (en) | 2022-09-08 | 2022-09-08 | Lifting equipment for hoisting building board and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211096384.2A CN115571813B (en) | 2022-09-08 | 2022-09-08 | Lifting equipment for hoisting building board and using method thereof |
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| CN115571813A CN115571813A (en) | 2023-01-06 |
| CN115571813B true CN115571813B (en) | 2023-04-14 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107458989A (en) * | 2017-08-14 | 2017-12-12 | 长沙科悦企业管理咨询有限公司 | A kind of architectural engineering fragile material has the lifting device of safeguard function |
| CN109231036A (en) * | 2018-09-20 | 2019-01-18 | 李秀利 | A kind of fixed smoothly hanging equipment of building promotion plate |
| CN111017735A (en) * | 2019-12-30 | 2020-04-17 | 刘玲玲 | Prefabricated panel transport machinery of assembled building reinforced concrete |
| CN113501441A (en) * | 2021-06-25 | 2021-10-15 | 山东铁信建设集团有限公司 | Plate adjusting device for assembly type building hoisting equipment and control method |
| CN114735057A (en) * | 2022-04-29 | 2022-07-12 | 陈丽云 | Building board moves device with holding in palm |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2819856A1 (en) * | 2012-06-25 | 2013-12-25 | Kim Jason Joseph Gobert | Method and apparatus for lifting and transporting exercise equipment |
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2022
- 2022-09-08 CN CN202211096384.2A patent/CN115571813B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107458989A (en) * | 2017-08-14 | 2017-12-12 | 长沙科悦企业管理咨询有限公司 | A kind of architectural engineering fragile material has the lifting device of safeguard function |
| CN109231036A (en) * | 2018-09-20 | 2019-01-18 | 李秀利 | A kind of fixed smoothly hanging equipment of building promotion plate |
| CN111017735A (en) * | 2019-12-30 | 2020-04-17 | 刘玲玲 | Prefabricated panel transport machinery of assembled building reinforced concrete |
| CN113501441A (en) * | 2021-06-25 | 2021-10-15 | 山东铁信建设集团有限公司 | Plate adjusting device for assembly type building hoisting equipment and control method |
| CN114735057A (en) * | 2022-04-29 | 2022-07-12 | 陈丽云 | Building board moves device with holding in palm |
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Effective date of registration: 20240805 Address after: 443200 Xiannv town economic and Trade Zone, Zhijiang City, Yichang City, Hubei Province Patentee after: Hubei qine Construction Engineering Co.,Ltd. Country or region after: China Address before: 222000 No. 1, Huanghe Road, East District, Jiangsu Donghai Economic Development Zone, Donghai County, Lianyungang City, Jiangsu Province Patentee before: Lianyungang China concrete new construction technology Co.,Ltd. Country or region before: China |
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