CN112459532A - Assembled building construction device - Google Patents

Assembled building construction device Download PDF

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Publication number
CN112459532A
CN112459532A CN202011160006.7A CN202011160006A CN112459532A CN 112459532 A CN112459532 A CN 112459532A CN 202011160006 A CN202011160006 A CN 202011160006A CN 112459532 A CN112459532 A CN 112459532A
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CN
China
Prior art keywords
plate
wall
building construction
sleeve
construction device
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Pending
Application number
CN202011160006.7A
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Chinese (zh)
Inventor
胡恒文
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Individual
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Individual
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Priority to CN202011160006.7A priority Critical patent/CN112459532A/en
Publication of CN112459532A publication Critical patent/CN112459532A/en
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G25/00Shores or struts; Chocks
    • E04G25/04Shores or struts; Chocks telescopic
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/14Conveying or assembling building elements
    • E04G21/16Tools or apparatus
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/24Safety or protective measures preventing damage to building parts or finishing work during construction
    • E04G21/26Strutting means for wall parts; Supports or the like, e.g. for holding in position prefabricated walls
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G25/00Shores or struts; Chocks
    • E04G25/04Shores or struts; Chocks telescopic
    • E04G25/06Shores or struts; Chocks telescopic with parts held together by positive means

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Working Measures On Existing Buildindgs (AREA)

Abstract

The invention discloses an assembly type building construction device, and belongs to the technical field of building construction. The utility model provides an assembled building construction device, including the working plate, the diapire of working plate is connected with the gyro wheel, it has the cavity to cut into in the working plate, the cavity inner wall is connected with the motor, the output of motor passes the working plate and is connected with the pivot, the pivot is kept away from the one end of motor and is connected with first screw rod, first screw rod outer wall threaded connection has the screwed pipe, the spout has all been cut to the outer wall of working plate both sides, the spout inner wall sliding connection has the slider, slider and screwed pipe outer wall are connected with first U-shaped board and second U-shaped board respectively, be connected with the connecting plate between first U-shaped board and the second U-shaped board, the top fixedly connected with fixed plate of screwed; the invention can greatly adjust the rotation angle of the extrusion plate, so that the extrusion plate is suitable for supporting the placement angles of the assembly wallboard vertical to the ground and other wallboards, and the practicability and the applicability of the device are greatly improved.

Description

Assembled building construction device
Technical Field
The invention relates to the technical field of building construction, in particular to an assembly type building construction device.
Background
The building construction is the production activity in the engineering construction implementation stage, is the construction process of all kinds of buildings, also can say that the various lines on the design drawing become the process in kind in appointed place, in the building construction, need support the wallboard that has assembled, wait for gluing of waterproof glue face, the most assembled building construction strutting arrangement who uses still has the problem that does not possess automatically regulated support angle at present, greatly reduced strutting arrangement's practicality.
The Chinese utility model with the patent number of CN201920663781.0 in the prior art discloses an assembly type building construction supporting device, which comprises a bottom plate, wherein the upper surface of the bottom plate is clamped with a rotating device, the top end of the rotating device is fixedly connected with a threaded column, the surface of the threaded column is in threaded connection with a threaded cylinder, the left side surface and the right side surface of the threaded cylinder are both fixedly connected with a first movable device, the lower surface of the first movable device is fixedly connected with a slide block, the support height of the device is adjusted by rotating the threaded column, the device is suitable for wall bodies with different angles by controlling a first electric push rod and a second electric push rod, but the device is not suitable for supporting an assembly wallboard vertical to the ground, the rotation angle of an extrusion plate can not reach ninety degrees, when the extrusion plate is used for supporting the assembly wallboard vertical to the ground, the extrusion plate and the assembly wallboard have gaps and cannot be completely abutted, so that the wallboard collapses, and the equipment of the supporting device is damaged.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides an assembly type building construction device.
In order to achieve the purpose, the invention adopts the following technical scheme:
an assembly type building construction device comprises a working plate, wherein the bottom wall of the working plate is connected with a roller, a cavity is formed in the working plate, the inner wall of the cavity is connected with a motor, the output end of the motor penetrates through the working plate and is connected with a rotating shaft, one end of the rotating shaft, which is far away from the motor, is connected with a first screw rod, the outer wall of the first screw rod is in threaded connection with a threaded pipe, the outer walls of the two sides of the working plate are respectively provided with a sliding groove, the inner wall of the sliding groove is in sliding connection with a sliding block, the sliding block and the outer wall of the threaded pipe are respectively connected with a first U-shaped plate and a second U-shaped plate, a connecting plate is connected between the first U-shaped plate and the second U-shaped plate, the top of the threaded pipe is fixedly connected with a fixing plate, the outer wall of the top of, the outer wall of the second screw rod is further in threaded connection with a first sleeve, and a push rod is movably connected between the first sleeve and the extrusion plate.
Preferably, the slider is shaped like a T, and the sliding groove and the slider are matched.
Preferably, the two ends of the connecting plate are rotatably connected to the inner walls of the first U-shaped plate and the second U-shaped plate through first pin shafts.
Preferably, the bottom of the working plate is connected with a cylinder, and one end of the cylinder, which is far away from the working plate, is fixedly connected with a base.
Preferably, the outer walls of the two sides of the base are both connected with a baffle through hinges, and a supporting mechanism is connected between the baffle and the base.
Preferably, the supporting mechanism comprises a third screw, the third screw is rotatably connected in the base through a bearing and is in threaded connection with the working plate, a second sleeve is in threaded connection with the outer wall of the third screw, and a supporting plate is connected between the second sleeve and the baffle.
Preferably, the both ends of backup pad swing joint have third U-shaped plate and fourth U-shaped plate respectively, third U-shaped plate fixed connection is at the telescopic outer wall of second, fourth U-shaped plate fixed connection is at the outer wall of baffle, just the inner wall at third U-shaped plate and fourth U-shaped plate is connected in the rotation of second round pin axle at the both ends of backup pad.
Preferably, the backup pad sets up to the expansion plate, the backup pad includes lagging and movable plate, movable plate sliding connection is in the lagging, the lagging rotates to be connected in the third U-shaped board, the movable plate rotates to be connected in the fourth U-shaped board.
Preferably, the outer wall of the supporting plate is sleeved with an elastic element, the outer walls of the sleeve plate and the moving plate are respectively connected with a first positioning plate and a second positioning plate, and two ends of the elastic element are respectively connected with the outer walls of the first positioning plate and the second positioning plate.
Preferably, the outer walls of the two baffles are connected with rotating blocks, and a telescopic stop lever is connected between the two rotating blocks.
Compared with the prior art, the invention provides an assembly type building construction device which has the following beneficial effects:
1. this assembly type structure construction equipment drives first screw rod through the motor and rotates, and adjusting device's bearing height through rotating the knob, makes the second screw rod rotate, makes first sleeve remove in the second screw rod outside and drives the push rod and promote the stripper plate and rotate, makes the turned angle of stripper plate can adjust by a wide margin, makes it be applicable to with ground vertically assembly wallboard and other wallboard lay the support of angle, improves the practicality and the suitability of device greatly.
2. This assembly type structure construction device through control cylinder work, makes the cylinder drive the work board and shifts up, and then makes the gyro wheel leave ground, avoids the device to rock at will when carrying out support work, improves the stability of device.
3. This assembly type structure construction equipment sets up the baffle through the both sides at the working plate, can stop after collapsing the wallboard, and the probability that the device damaged when reducing the occurence of failure, and when the device did not use, can contract the baffle of both sides, make both sides baffle use the hinge to rotate downwards as the centre of a circle, reduce the volume of device, and then reduce the area of depositing and portable of device.
4. This assembly type structure construction device sets up to the expansion plate through with the backup pad, and sets up elastic element in the outside, can weaken the life of baffle to the striking dynamics after the wallboard collapses.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of portion A of FIG. 1 according to the present invention;
FIG. 3 is a schematic structural diagram of a fixing plate according to the present invention;
FIG. 4 is a schematic view of the structure of the threaded pipe of the present invention;
FIG. 5 is a schematic cross-sectional view of a working tube according to the present invention;
FIG. 6 is a schematic structural diagram of portion B of FIG. 5 according to the present invention;
fig. 7 is a schematic structural diagram of the support plate of the present invention.
In the figure: 1. a working plate; 101. a chute; 1011. a slider; 1012. a first U-shaped plate; 102. A roller; 2. a motor; 201. a rotating shaft; 3. a first screw; 4. a threaded pipe; 401. a second U-shaped plate; 5. a connecting plate; 6. a fixing plate; 601. a straight rod; 602. a second screw; 6021. A knob; 6022. a first sleeve; 6023. a push rod; 7. a pressing plate; 8. a cylinder; 9. a base; 10. a third screw; 11. a second sleeve; 111. a third U-shaped plate; 12. a baffle plate; 121. a fourth U-shaped plate; 122. rotating the block; 123. a telescopic stop lever; 13. a support plate; 131. Sheathing; 1311. a first positioning plate; 132. moving the plate; 1321. a second positioning plate; 14. An elastic element.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other; the specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-6, an assembly type building construction device comprises a working plate 1, a roller 102 is connected to the bottom wall of the working plate 1, a cavity is chiseled in the working plate 1, a motor 2 is connected to the inner wall of the cavity, the output end of the motor 2 passes through the working plate 1 and is connected with a rotating shaft 201, one end of the rotating shaft 201 far away from the motor 2 is connected with a first screw 3, a threaded pipe 4 is connected to the outer wall of the first screw 3 in a threaded manner, sliding grooves 101 are chiseled on the outer walls of both sides of the working plate 1, sliding blocks 1011 are connected to the inner wall of the sliding grooves 101 in a sliding manner, a first U-shaped plate 1012 and a second U-shaped plate 401 are respectively connected to the outer walls of the sliding blocks 1011 and the threaded pipe 4, a connecting plate 5 is connected between the first U-shaped plate 1012 and the second U-shaped plate 401, a fixing plate 6 is fixedly, the bottom of the second screw 602 is connected with a knob 6021, the outer wall of the second screw 602 is also in threaded connection with a first sleeve 6022, and a push rod 6023 is movably connected between the first sleeve 6022 and the extrusion plate 7.
The shape of the slide 1011 is set to be T-shaped, and the sliding groove 101 is matched with the slide 1011.
The two ends of the connecting plate 5 are rotatably connected to the inner walls of the first U-shaped plate 1012 and the second U-shaped plate 401 through a first pin.
When the device is used for supporting an assembled wallboard, firstly, a worker pushes the device to a proper position through the roller 102, then the motor 2 is controlled to operate, the output end of the motor 2 drives the rotating shaft 201 to rotate in the working plate 1, the rotating shaft 201 drives the first screw rod 3 to rotate, the threaded pipe 4 drives the fixing plate 6 to move upwards under the effect of threaded connection with the first screw rod 3, and further the extrusion plate 7 on the fixing plate 6 is lifted, so that the supporting height of the device is adjusted, in the process of moving upwards, the threaded pipe 4 drives the connecting plate 5 to rotate in the second U-shaped plate 401 through the first pin shaft, further the connecting plate 5 pulls the sliding block 1011 to slide in the sliding groove 101 in the moving process, the stability of the threaded pipe 4 in the moving process is improved, and then the knob 6021 is rotated to drive the second screw rod 602 to fixedly rotate in the fixing plate 6, make first sleeve 6022 in the second screw 602 outside move up, and then make first sleeve 6022 outside swing joint's push rod 6023 promote stripper plate 7 and rotate, make stripper plate 7 use and rotate as the centre of a circle with straight-bar 601 junction, adjust by a wide margin stripper plate 7's turned angle, make it be applicable to with the support that angle was laid to ground vertically assembly wallboard and other wallboards, improve the practicality and the suitability of device greatly, avoid having the space between stripper plate 7 and the assembly wallboard, influence the bonding effect of assembly wallboard, and reduced the danger coefficient that the wallboard collapsed.
Example 2:
referring to fig. 1, a fabricated building construction device is substantially the same as that of embodiment 1, and further, a cylinder 8 is connected to the bottom of the working plate 1, and a base 9 is fixedly connected to one end of the cylinder 8 far away from the working plate 1.
Because the device is at the in-process that supports the assembly wallboard, the gyro wheel 102 of bottom probably removes, and the supporting effect that leads to the device is poor, through setting up cylinder 8, control cylinder 8 work makes the output power pole of cylinder 8 promote the distance grow between working plate 1 and the base 9, makes base 9 and ground contact, and gyro wheel 102 moves up and leaves ground along with working plate 1, avoids the device to rock at will when carrying out the support work, improves the stability of device.
Example 3:
referring to fig. 1, 2, 5, 6 and 7, a prefabricated construction equipment is substantially the same as embodiments 1 and 2, and further, a baffle plate 12 is connected to both outer walls of the base 9 through a hinge, and a support mechanism is connected between the baffle plate 12 and the base 9.
The supporting mechanism comprises a third screw rod 10, the third screw rod 10 is rotatably connected in the base 9 through a bearing, the third screw rod 10 is in threaded connection with the working plate 1, the outer wall of the third screw rod 10 is in threaded connection with a second sleeve 11, and a supporting plate 13 is connected between the second sleeve 11 and the baffle plate 12.
The both ends of backup pad 13 swing joint have third U-shaped plate 111 and fourth U-shaped plate 121 respectively, and third U-shaped plate 111 fixed connection is at the outer wall of second sleeve 11, and fourth U-shaped plate 121 fixed connection is at the outer wall of baffle 12, and the both ends of backup pad 13 are passed through the second round pin hub and are rotated the inner wall of connecting at third U-shaped plate 111 and fourth U-shaped plate 121.
Before the device is used, the cylinder 8 is controlled to work firstly, the cylinder 8 drives the base 9 to support the whole device, the device is prevented from moving in the process of supporting a wall plate, in the process of separating the base 9 from the working plate 1, as the third screw 10 is in threaded connection with the working plate 1, the third screw 10 rotates and rotates in the base 9 through a bearing, the third screw 10 can enable the second sleeve 11 to move outside the second sleeve in the rotating process, the second sleeve 11 drives the baffles 12 at two sides to be lifted through the support plate 13, the baffles 12 at two sides can be blocked after the wall plate collapses, the probability of damage of equipment in accidents is reduced, the situation that the baffles 12 are too close to the device and collide due to too large stress, the device is damaged is avoided, and when the device is not used, the baffles 12 at two sides can be contracted, and the baffles 12 at two sides rotate downwards by taking a hinge as the circle center, the volume of the device is reduced, and then the storage area of the device is reduced, and the device is convenient to carry.
Example 4:
referring to fig. 5 to 7, a prefabricated construction equipment is substantially the same as that of embodiment 3, and further, the supporting plate 13 is configured as a telescopic plate, the supporting plate 13 includes a sleeve plate 131 and a moving plate 132, the moving plate 132 is slidably coupled in the sleeve plate 131, the sleeve plate 131 is rotatably coupled in the third U-shaped plate 111, and the moving plate 132 is rotatably coupled in the fourth U-shaped plate 121.
The outer wall of the supporting plate 13 is sleeved with the elastic element 14, the outer walls of the sleeve plate 131 and the moving plate 132 are respectively connected with the first positioning plate 1311 and the second positioning plate 1321, and two ends of the elastic element 14 are respectively connected with the outer walls of the first positioning plate 1311 and the second positioning plate 1321.
The outer walls of the two baffles 12 are connected with rotating blocks 122, and a telescopic stop lever 123 is connected between the two rotating blocks 122.
Through setting up backup pad 13 into the expansion plate, and set up elastic element 14 in the outside, after wallboard or other buildings collapsed, can weaken the striking dynamics to baffle 12 after collapsing the building, play the effect of buffering, and then improve the life of baffle 12, the probability of device damage when reducing the occurence of failure.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (10)

1. The utility model provides an assembled building construction device, includes working plate (1), the diapire of working plate (1) is connected with gyro wheel (102), its characterized in that, it has the cavity to open chisel in working plate (1), cavity inner wall connection has motor (2), the output of motor (2) passes working plate (1) and is connected with pivot (201), the one end of motor (2) is kept away from in pivot (201) and is connected with first screw rod (3), first screw rod (3) outer wall threaded connection has screwed pipe (4), the outer wall of working plate (1) both sides all is chiseled spout (101), spout (101) inner wall sliding connection has slider (1011), slider (1011) and screwed pipe (4) outer wall are connected with first U-shaped plate (1012) and second U-shaped plate (401) respectively, be connected with connecting plate (5) between first U-shaped plate (1012) and the second U-shaped plate (401), the top of screwed pipe (4) fixedly connected with fixed plate (6), the top outer wall of fixed plate (6) is connected with straight-bar (601), straight-bar (601) outer wall rotates and is connected with stripper plate (7), fixed plate (6) internal thread connection has second screw rod (602), the bottom of second screw rod (602) is connected with knob (6021), second screw rod (602) outer wall still threaded connection has first sleeve (6022), swing joint has push rod (6023) between first sleeve (6022) and stripper plate (7).
2. A fabricated building construction device according to claim 1, characterized in that the slider (1011) is shaped as a T and the runner (101) and the slider (1011) are adapted.
3. A fabricated building construction device according to claim 2, wherein both ends of the connection plate (5) are rotatably connected to the inner walls of the first U-shaped plate (1012) and the second U-shaped plate (401) by a first pin.
4. A fabricated building construction device according to claim 3, characterized in that the bottom of the working plate (1) is connected with a cylinder (8), and a base (9) is fixedly connected with one end of the cylinder (8) far away from the working plate (1).
5. A fabricated building construction device according to claim 4, characterized in that the outer walls of the two sides of the base (9) are connected with a baffle plate (12) through hinges, and a supporting mechanism is connected between the baffle plate (12) and the base (9).
6. The assembly type building construction device according to claim 5, wherein the supporting mechanism comprises a third screw (10), the third screw (10) is rotatably connected in the base (9) through a bearing, the third screw (10) is in threaded connection with the working plate (1), a second sleeve (11) is in threaded connection with the outer wall of the third screw (10), and a supporting plate (13) is connected between the second sleeve (11) and the baffle plate (12).
7. The assembly type building construction device according to claim 6, wherein a third U-shaped plate (111) and a fourth U-shaped plate (121) are movably connected to two ends of the supporting plate (13) respectively, the third U-shaped plate (111) is fixedly connected to the outer wall of the second sleeve (11), the fourth U-shaped plate (121) is fixedly connected to the outer wall of the baffle plate (12), and two ends of the supporting plate (13) are rotatably connected to the inner walls of the third U-shaped plate (111) and the fourth U-shaped plate (121) through second pin shafts.
8. A prefabricated building construction device according to claim 7, wherein the supporting plate (13) is a telescopic plate, the supporting plate (13) comprises a sleeve plate (131) and a moving plate (132), the moving plate (132) is slidably connected in the sleeve plate (131), the sleeve plate (131) is rotatably connected in the third U-shaped plate (111), and the moving plate (132) is rotatably connected in the fourth U-shaped plate (121).
9. An assembled type building construction device according to claim 8, wherein an elastic element (14) is sleeved on the outer wall of the supporting plate (13), a first positioning plate (1311) and a second positioning plate (1321) are respectively connected to the outer walls of the sleeve plate (131) and the moving plate (132), and two ends of the elastic element (14) are respectively connected to the outer walls of the first positioning plate (1311) and the second positioning plate (1321).
10. The assembly type building construction device according to claim 1, wherein a rotating block (122) is connected to the outer wall of each baffle plate (12), and a telescopic stop lever (123) is connected between the two rotating blocks (122).
CN202011160006.7A 2020-10-26 2020-10-26 Assembled building construction device Pending CN112459532A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011160006.7A CN112459532A (en) 2020-10-26 2020-10-26 Assembled building construction device

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Application Number Priority Date Filing Date Title
CN202011160006.7A CN112459532A (en) 2020-10-26 2020-10-26 Assembled building construction device

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CN112459532A true CN112459532A (en) 2021-03-09

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113152702A (en) * 2021-04-25 2021-07-23 哈尔滨学院 Noise reduction structure of fabricated building and assembling device thereof
CN115387250A (en) * 2022-09-16 2022-11-25 中铁十九局集团第六工程有限公司 Movable protective device for dismantling upper bridge of railway business line
CN116163542A (en) * 2023-04-26 2023-05-26 承德石油高等专科学校 Assembled building wallboard mount
CN116493856A (en) * 2023-06-27 2023-07-28 山西八建集团有限公司 Quick positioning support structure for steel plate on conversion truss

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN209924494U (en) * 2019-05-09 2020-01-10 王百田 Assembled building construction strutting arrangement

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN209924494U (en) * 2019-05-09 2020-01-10 王百田 Assembled building construction strutting arrangement

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113152702A (en) * 2021-04-25 2021-07-23 哈尔滨学院 Noise reduction structure of fabricated building and assembling device thereof
CN115387250A (en) * 2022-09-16 2022-11-25 中铁十九局集团第六工程有限公司 Movable protective device for dismantling upper bridge of railway business line
CN115387250B (en) * 2022-09-16 2023-10-27 中铁十九局集团第六工程有限公司 Movable railway business line upper bridge dismantling protection device
CN116163542A (en) * 2023-04-26 2023-05-26 承德石油高等专科学校 Assembled building wallboard mount
CN116163542B (en) * 2023-04-26 2023-06-23 承德石油高等专科学校 Assembled building wallboard mount
CN116493856A (en) * 2023-06-27 2023-07-28 山西八建集团有限公司 Quick positioning support structure for steel plate on conversion truss
CN116493856B (en) * 2023-06-27 2023-09-26 山西八建集团有限公司 Quick positioning support structure for steel plate on conversion truss

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Application publication date: 20210309

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