CN109252692A - A kind of brace type floor joint fills up assistor - Google Patents

A kind of brace type floor joint fills up assistor Download PDF

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Publication number
CN109252692A
CN109252692A CN201811252163.3A CN201811252163A CN109252692A CN 109252692 A CN109252692 A CN 109252692A CN 201811252163 A CN201811252163 A CN 201811252163A CN 109252692 A CN109252692 A CN 109252692A
Authority
CN
China
Prior art keywords
fixedly installed
plate
storage cylinder
fixedly connected
assistor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201811252163.3A
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Chinese (zh)
Other versions
CN109252692B (en
Inventor
赖江耀
马艳
林高健
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Weihai Hengji Weiye Information Technology Development Co ltd
Original Assignee
Hangzhou Fuyang Fei Shang Decoration Engineering Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hangzhou Fuyang Fei Shang Decoration Engineering Co Ltd filed Critical Hangzhou Fuyang Fei Shang Decoration Engineering Co Ltd
Priority to CN202010698449.5A priority Critical patent/CN111691651A/en
Priority to CN201811252163.3A priority patent/CN109252692B/en
Publication of CN109252692A publication Critical patent/CN109252692A/en
Application granted granted Critical
Publication of CN109252692B publication Critical patent/CN109252692B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F21/00Implements for finishing work on buildings
    • E04F21/165Implements for finishing work on buildings for finishing joints, e.g. implements for raking or filling joints, jointers

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Devices For Dispensing Beverages (AREA)
  • Handcart (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)

Abstract

The present invention relates to interior decoration equipment technical fields, and disclose a kind of brace type floor joint and fill up assistor, including steadying plate, unload power device, locking device, clamping apparatus, storage device, pressing device and floor;The top surface of the steadying plate is fixedly installed with storage cylinder by clamping apparatus, the fixed telescopic rod being fixedly installed at left and right sides of storage device respectively in the bottom surface of steadying plate, the bottom of telescopic rod is movably installed with telescopic sleeving rod, the bottom of telescopic sleeving rod is fixedly installed with firm plate, and the bottom surface of firm plate is fixedly connected with the top surface on floor.The brace type floor joint fills up assistor, pass through swing handle, so that bull stick drives line wheel to reel connecting rope, then steadying plate moves down so that two firm plates consolidate floor, have reached the effect consolidated to edge between two floors, it avoids edge and upwarps the problem of causing to fill up ground out-of-flatness, while having saved the manpower of manual fixation, increase the efficiency filled up.

Description

A kind of brace type floor joint fills up assistor
Technical field
The present invention relates to interior decoration equipment technical field, specially a kind of brace type floor joint fills up assistor.
Background technique
The superficial layer on floor, i.e. house earth surface or flooring.It being made by timber or other materials, the classification on floor has very much, Have by textural classification: solid wooden floor board, reinforced composite wooden floor, three-layer wood composite flooring, bamboo-wood floor, anticorrosive floor board, cork Floor and at present most popular multi-layer solid wood composite floor etc..
Once there is breakage in existing floor, in order to reduce floor maintenance cost, typically using repairing by the way of pair Floor joint is repaired, and existing method for repairing and mending is all using healant, manual operation or by injustice main plot at floor joint Domain is dug flat and uses healant filling and repairing, however since gap occurs in general floor, the edge in gap will lose support force and The phenomenon that upwarping causes mending course to generally require another people and repairs at gap by tight, thus the repairing that can be greatly reduced Efficiency, additionally due to existing repairing is all using filler, since manual squeezing uses filler, extrusion process is very taken It power and is difficult to control, easily causes to waste, often every time using after filler technology, existing glue pot is still because of air pressure meeting Gush out partially filled agent to outside, lead to the waste of filler, therefore it is urgent to provide one kind convenient for stablizing floor and laborsaving extruding It filler and saves dosage and fills up auxiliary device.
Summary of the invention
The present invention provides a kind of brace type floor joints to fill up assistor, has convenient for stablizing floor and laborsaving extruding and filling out The advantages of filling agent and saving dosage solves existing method for repairing and mending all and is using healant, manual operation or by ground plate stitch Out-of-flatness region is dug flat and uses healant filling and repairing at gap, however since gap occurs in general floor, the edge in gap will The phenomenon that losing support force and upwarping causes mending course to generally require another people and repairs at gap by tight, thus greatly Reduced repairing efficiency, additionally due to existing repairing since manual squeezing uses filler, is squeezed using filler Press through journey to cause high effort for and be difficult to control, easily cause to waste, often every time using after filler technology, existing glue pot according to Old the problem of gushing out partially filled agent because of air pressure to outside, lead to the waste of filler.
The invention provides the following technical scheme: a kind of brace type floor joint fills up assistor, including steadying plate, unload power dress It sets, locking device, clamping apparatus, storage device, pressing device and floor;
The top surface of the steadying plate is fixedly installed with storage cylinder by clamping apparatus, and the bottom surface fixation of the steadying plate is fixed respectively The telescopic rod being located at left and right sides of storage device is installed, the bottom of the telescopic rod is movably installed with telescopic sleeving rod, described to stretch The bottom of contracting loop bar is fixedly installed with firm plate, and the bottom surface of the firm plate is fixedly connected with the top surface on floor, the telescopic rod External activity be set with clamping spring, the upper and lower ends of the clamping spring respectively with the top surface of telescopic sleeving rod and steadying plate Bottom surface is fixedly connected;
The quantity of the telescopic sleeving rod is two, and the side that two telescopic sleeving rods are located remotely from each other is movably installed with bull stick, The external fixing sleeve of the bull stick is equipped with line wheel, and the other end of the bull stick is fixedly installed with handle, and the surface of the line wheel is solid Surely it is connected with connecting rope, the other end of the connecting rope is fixedly connected with the bottom surface of steadying plate;
The bottom of the storage cylinder is fixedly installed with anti-outflow device, and the bottom of the anti-outflow device is fixedly installed with discharging Box, the front of the storage cylinder offer feed opening, and the anti-outflow device includes anti-outflow box, bottom of chamber in the anti-outflow box The two sides in face are fixedly installed with support plate, and the front of two support plates is movably installed with bearing plate by movable axis, One end that two bearing plate bottom surfaces are located remotely from each other is fixedly installed with the first extension block, and the bottom surface of first extension block is logical It crosses returning spring and is sequentially connected with the second extension board, the fixed company in bottom surface of the bottom surface of second extension board and anti-outflow box inner cavity It connects;
Locking loop bar is fixedly installed at the top of the storage cylinder, the external fixing sleeve of the locking loop bar, which is equipped with, is located at storage cylinder External lock sleeve, the internal activity are set with thin bar, and the top fixing sleeve of the thin bar is equipped with fixing sleeve, the thin bar Bottom end extend to the inside of storage cylinder and be fixedly installed with piston, the interior wall friction of the outer surface of the piston and storage cylinder connects It connects, the right side of the fixing sleeve and the right side of lock sleeve are sequentially connected by force application apparatus.
Preferably, the quantity of the clamping apparatus is two, the side of one end and storage cylinder between two clamping apparatus It is fixedly connected.
Preferably, the clamping apparatus includes transverse slat, and the front of the transverse slat offers limiting slot, and limiting slot inner cavity Left and right ends are fixedly installed with jacking block, and connecting rod is fixedly installed between two jacking blocks, and the external of the connecting rod lives Dynamic to be set with tie down screw, the other end of the tie down screw is fixedly installed with fixed plate, the bottom surface of the fixed plate and stabilization The top surface of plate is fixedly connected, and two transverse slat one end close to each other are fixedly installed with fixture block.
Preferably, the upper and lower surface of the anti-outflow box offers feed inlet and discharge port, and feed inlet and discharging respectively The cross-sectional area of mouth is respectively less than the cross-sectional area of bearing plate.
Preferably, the external activity of the connecting rod is set with buffer spring, the left and right ends difference of the buffer spring Side between tie down screw and jacking block is fixedly connected.
Preferably, the force application apparatus includes connection cross bar, and the quantity of the connection cross bar is two, two connections One end of cross bar is fixedly connected with the right side of the right side of fixing sleeve and lock sleeve respectively, and the other end of the connection cross bar is living Dynamic to be equipped with brace, the other end of the brace is connected with anchorage bar, the outside of the anchorage bar by fixing buckle It is movably installed with handle.
Preferably, the external activity of the thin bar is set with compressed spring, the upper and lower ends of the compressed spring respectively with Bottom surface be fixedly connected with the top surface of piston.
Preferably, the quantity on the floor is two, gap is formed between two floors, and gap is being located at magazine just Lower section.
Preferably, the bull stick is equipped with stable bearing close to the side fixing sleeve of telescopic sleeving rod, and stable bearing is another Side is fixedly connected with the side for unloading power device.
The present invention have it is following the utility model has the advantages that
1, the brace type floor joint fills up assistor, by swing handle, so that bull stick drives line wheel to reel connecting rope, then Steadying plate moves down so that the firm floor of two firm plates, has reached the effect consolidated to edge between two floors, avoid ground Plate edge upwarps the problem of causing to fill up ground out-of-flatness, while having saved the manpower of manual fixation, increases the efficiency filled up.
2, the brace type floor joint fills up assistor, force application apparatus is pushed and pulled by setting, so that lock sleeve and fixing sleeve The distance between it is elongated shorten, to realize the extruding to piston, while setting by the poly- power of two point between force application apparatus It sets, has saved external force needed for squeezing storage cylinder, also facilitated people to applied force on force application apparatus, increase the work of the device Efficiency.
3, the brace type floor joint fills up assistor, is limited by the way that the filler that bearing plate flows into storage cylinder is arranged Speed is buffered using the elastic force of returning spring, if losing thrust inside storage cylinder, the elastic force of returning spring will be in fish storage cylinder The air pressure in portion mutually balances, so that two bearing plates tend to be close to each other, then achievees the effect that choked flow, avoids use After still have filler outflow waste the problem of, saved the use of raw material.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention;
Fig. 2 is Fig. 1 external structure schematic diagram of the present invention;
Fig. 3 is the anti-outflow apparatus structure schematic diagram of the present invention;
Fig. 4 is clamping apparatus structural schematic diagram of the present invention;
Fig. 5 is force application apparatus structural schematic diagram of the present invention.
In figure: 1, steadying plate;2, power device is unloaded;21, telescopic rod;22, telescopic sleeving rod;23, plate is consolidated;24, it is clamped spring; 3, locking device;31, bull stick;32, line wheel;33, handle;34, connecting rope;4, clamping apparatus;41, fixed plate;42, locking screw Bar;43, limiting slot;44, transverse slat;45, connecting rod;46, jacking block;47, buffer spring;48, fixture block;5, storage device;51, it stores Cylinder;52, anti-outflow device;521, anti-outflow box;522, bearing plate;523, the first extension block;524, returning spring;525, it supports Plate;526, the second extension board;53, go out magazine;54, feed opening;6, pressing device;61, loop bar is locked;62, lock sleeve;63, thin Bar;64, fixing sleeve;65, force application apparatus;651, cross bar is connected;652, brace;653, anchorage bar;654, fixing buckle;655, it holds ?;66, compressed spring;67, piston;7, floor.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1-5, a kind of brace type floor joint fills up assistor, including steadying plate 1, unloads power device 2, locking dress Set 3, clamping apparatus 4, storage device 5, pressing device 6 and floor 7;
The top surface of steadying plate 1 is fixedly installed with storage cylinder 51 by clamping apparatus 4, and the quantity of clamping apparatus 4 is two, clamping dress Setting 4 includes transverse slat 44, and the front of transverse slat 44 offers limiting slot 43, and the left and right ends of 43 inner cavity of limiting slot are fixedly installed with Jacking block 46 is fixedly installed with connecting rod 45 between two jacking blocks 46, and the external activity of connecting rod 45 is set with tie down screw 42, lock The other end of tight screw rod 42 is fixedly installed with fixed plate 41, and the bottom surface of fixed plate 41 is fixedly connected with the top surface of steadying plate 1, and two The one end close to each other of transverse slat 44 is fixedly installed with fixture block 48, the side of one end between two clamping apparatus 4 and storage cylinder 51 Face is fixedly connected, and the bottom surface of steadying plate 1 is fixed to be fixedly installed with the telescopic rod 21 positioned at 5 left and right sides of storage device respectively, is stretched The bottom of contracting bar 21 is movably installed with telescopic sleeving rod 22, and the bottom of telescopic sleeving rod 22 is fixedly installed with firm plate 23, consolidates plate 23 Bottom surface be fixedly connected with the top surface on floor 7, the quantity on floor 7 is two, and gap, and gap position are formed between two floors 7 In the underface of magazine 53 out, the external activity of telescopic rod 21 is set with clamping spring 24, the upper and lower ends point of clamping spring 24 It is not fixedly connected with the bottom surface of the top surface of telescopic sleeving rod 22 and steadying plate 1;
The quantity of telescopic sleeving rod 22 is two, and the side that two telescopic sleeving rods 22 are located remotely from each other is movably installed with bull stick 31, is turned The external fixing sleeve of bar 31 is equipped with line wheel 32, and the external activity of connecting rod 45 is set with buffer spring 47, a left side for buffer spring 47 Side of the right both ends respectively between tie down screw 42 and jacking block 46 is fixedly connected, and the other end of bull stick 31 is fixedly installed with handle 33, bull stick 31 is equipped with stable bearing close to the side fixing sleeve of telescopic sleeving rod 22, and the other side of stable bearing and unloads power device 2 Side be fixedly connected, the surface of line wheel 32 is fixedly connected with connecting rope 34, the other end of connecting rope 34 and the bottom surface of steadying plate 1 It is fixedly connected;
The bottom of storage cylinder 51 is fixedly installed with anti-outflow device 52, and the bottom of anti-outflow device 52 is fixedly installed with out magazine 53, the front of storage cylinder 51 offers feed opening 54, and anti-outflow device 52 includes anti-outflow box 521, above and below anti-outflow box 521 Two sides offers feed inlet and discharge port respectively, and the cross-sectional area of feed inlet and discharge port is respectively less than the transversal of bearing plate 522 Area, the two sides of anti-outflow 521 inner chamber bottom surface of box are fixedly installed with support plate 525, and the front of two support plates 525 passes through Movable axis is movably installed with bearing plate 522, and one end that two 522 bottom surfaces of bearing plate are located remotely from each other is fixedly installed with the first extension Block 523, the underrun returning spring 524 of the first extension block 523 are sequentially connected with the second extension board 526, the second extension board 526 Bottom surface with it is anti-outflow 521 inner cavity of box bottom surface be fixedly connected;
The top of storage cylinder 51 is fixedly installed with locking loop bar 61, and the external fixing sleeve of locking loop bar 61, which is equipped with, is located at storage cylinder 51 The internal activity of external lock sleeve 62, locking loop bar 61 is set with thin bar 63, and the external activity of thin bar 63 is set with compression bullet Spring 66, the upper and lower ends of compressed spring 66 are fixedly connected with the top surface of the bottom surface of locking loop bar 61 and piston 67 respectively, thin bar 63 Top fixing sleeve fixing sleeve 64 is housed, the bottom end of thin bar 63 extends to the inside of storage cylinder 51 and is fixedly installed with piston 67, The outer surface of piston 67 and the inner wall frictional connection of storage cylinder 51, the right side of fixing sleeve 64 and the right side of lock sleeve 62 pass through Force application apparatus 65 is sequentially connected, and force application apparatus 65 includes connection cross bar 651, and the quantity of connection cross bar 651 is two, two connections One end of cross bar 651 is fixedly connected with the right side of the right side of fixing sleeve 64 and lock sleeve 62 respectively, connects the another of cross bar 651 One end is movably installed with brace 652, and the other end of brace 652 is connected with anchorage bar 653 by fixing buckle 654, tightly The external activity of solid rod 653 is set with handle 655.
In use, the distance between fixing sleeve 64 and lock sleeve 62 are separated to most by pushing away force application apparatus 65 to the left first Greatly, then then the device is placed on and needs to sew and mend the two of floor 7 by injecting filler in 54 casees storage cylinders of feed opening 51 Side, by swing handle 33, so that bull stick 31 drives line wheel 32 to reel connecting rope 34, then steadying plate 1 is moved down so that two Firm plate 23 consolidates floor 7, followed by force application apparatus 65 is pulled to the right, so that thin bar 63 moves down under band piston 67 It moves, so that filler enters in anti-outflow box 521 and pushes two bearing plates 522 open using gravity and pressure, is applied when stopping drag When power device 65, the elastic force of returning spring 524 mutually balances the air pressure inside fish storage cylinder 51, so that two bearing plates 522 tend to be close to each other, then achieve the effect that choked flow, are finally completed the application of filler.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (5)

1. a kind of brace type floor joint fills up assistor, it is characterised in that: including steadying plate (1), unload power device (2), locking Device (3), clamping apparatus (4), storage device (5), pressing device (6) and floor (7) etc.;
The top surface of the steadying plate (1) is fixedly installed with storage cylinder (51) by clamping apparatus (4), the bottom of the steadying plate (1) The fixed telescopic rod (21) being fixedly installed at left and right sides of storage device (5) respectively in face, the bottom of the telescopic rod (21) It is movably installed with telescopic sleeving rod (22), the bottom of the telescopic sleeving rod (22) is fixedly installed with firm plate (23), the firm plate (23) bottom surface is fixedly connected with the top surface of floor (7), and the external activity of the telescopic rod (21) is set with clamping spring (24), The upper and lower ends of clamping spring (24) are fixedly connected with the bottom surface of the top surface of telescopic sleeving rod (22) and steadying plate (1) respectively;
The quantity of the telescopic sleeving rod (22) is two, the equal movable set in side that two telescopic sleeving rods (22) are located remotely from each other Have bull stick (31), the external fixing sleeve of the bull stick (31) is equipped with line wheel (32), and the other end of the bull stick (31) is fixedly mounted Have handle (33), the surface of the line wheel (32) is fixedly connected with connecting rope (34), the other end of the connecting rope (34) and steady The bottom surface of fixed board (1) is fixedly connected;
The bottom of the storage cylinder (51) is fixedly installed with anti-outflow device (52), and the bottom of anti-outflow device (52) is fixed It is equipped with out magazine (53), the front of the storage cylinder (51) offers feed opening (54), and the anti-outflow device (52) includes The two sides of anti-outflow box (521), described anti-outflow box (521) inner chamber bottom surface are fixedly installed with support plate (525), described in two The front of support plate (525) is movably installed with bearing plate (522) by movable axis, two bearing plate (522) bottom surface phases Mutually separate one end is fixedly installed with the first extension block (523), the underrun returning spring of first extension block (523) (524) it is sequentially connected with the second extension board (526), the bottom surface of second extension board (526) and anti-outflow box (521) inner cavity Bottom surface is fixedly connected;
Locking loop bar (61), the external fixed suit of locking loop bar (61) are fixedly installed at the top of the storage cylinder (51) Have and be located at storage cylinder (51) external lock sleeve (62), the internal activity of locking loop bar (61) is set with thin bar (63), institute The top fixing sleeve of thin bar (63) is stated equipped with fixing sleeve (64), the bottom end of the thin bar (63) extends to the inside of storage cylinder (51) And piston (67) are fixedly installed with, and the outer surface of the piston (67) and the inner wall frictional connection of storage cylinder (51), the fixation The right side of the right side and lock sleeve (62) that cover (64) is sequentially connected by force application apparatus (65).
2. a kind of brace type floor joint according to claim 1 fills up assistor, it is characterised in that: the clamping apparatus (4) quantity is two, and one end between two clamping apparatus (4) is fixedly connected with the side of storage cylinder (51).
3. a kind of brace type floor joint according to claim 1 fills up assistor, it is characterised in that: the clamping apparatus It (4) include transverse slat (44), the front of the transverse slat (44) offers limiting slot (43), and the left and right ends of limiting slot (43) inner cavity It is fixedly installed with jacking block (46), is fixedly installed with connecting rod (45) between two jacking blocks (46), the connecting rod (45) External activity be set with tie down screw (42), the other end of the tie down screw (42) is fixedly installed with fixed plate (41), institute The bottom surface for stating fixed plate (41) is fixedly connected with the top surface of steadying plate (1), and two transverse slat (44) one end close to each other are equal It is fixedly installed with fixture block (48).
4. a kind of brace type floor joint according to claim 1 fills up assistor, it is characterised in that: the anti-outflow box (521) upper and lower surface offers feed inlet and discharge port respectively, and the cross-sectional area of feed inlet and discharge port is respectively less than load-bearing The cross-sectional area of plate (522).
5. a kind of brace type floor joint according to claim 3 fills up assistor, it is characterised in that: the connecting rod (45) external activity is set with buffer spring (47), the left and right ends of the buffer spring (47) respectively with tie down screw (42) Side between jacking block (46) is fixedly connected.
CN201811252163.3A 2018-10-25 2018-10-25 Supporting type floor gap filling aid Active CN109252692B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202010698449.5A CN111691651A (en) 2018-10-25 2018-10-25 Supporting type floor gap filling aid
CN201811252163.3A CN109252692B (en) 2018-10-25 2018-10-25 Supporting type floor gap filling aid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811252163.3A CN109252692B (en) 2018-10-25 2018-10-25 Supporting type floor gap filling aid

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN202010698449.5A Division CN111691651A (en) 2018-10-25 2018-10-25 Supporting type floor gap filling aid

Publications (2)

Publication Number Publication Date
CN109252692A true CN109252692A (en) 2019-01-22
CN109252692B CN109252692B (en) 2020-08-14

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CN202010698449.5A Withdrawn CN111691651A (en) 2018-10-25 2018-10-25 Supporting type floor gap filling aid
CN201811252163.3A Active CN109252692B (en) 2018-10-25 2018-10-25 Supporting type floor gap filling aid

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CN202010698449.5A Withdrawn CN111691651A (en) 2018-10-25 2018-10-25 Supporting type floor gap filling aid

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CN (2) CN111691651A (en)

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WO2023108434A1 (en) * 2021-12-14 2023-06-22 杭州电子科技大学技术转移有限公司 Wood floor collapse repairing apparatus and method

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JPH08158596A (en) * 1994-12-10 1996-06-18 Katsuhide Yamamoto Eixing method of architectural board material
KR20030063978A (en) * 2002-01-25 2003-07-31 김병기 A Mortar Injection Device
FR2996871A1 (en) * 2012-10-16 2014-04-18 Francois Montagnon Device for correction of curvature of floor slab in e.g. carpark, has support unit i.e. jack, that is arranged to provide pressure on slab of floor, and frame unit such as beam, is arranged for connecting fasteners by support unit
CN206034947U (en) * 2016-08-30 2017-03-22 浙江中屹建设集团有限公司 Concrete crack prosthetic devices
CN207144537U (en) * 2017-08-09 2018-03-27 刘浩荫 A kind of architectural engineering hole eyelid retractor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023108434A1 (en) * 2021-12-14 2023-06-22 杭州电子科技大学技术转移有限公司 Wood floor collapse repairing apparatus and method

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CN109252692B (en) 2020-08-14

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