CN113374270A

CN113374270A - Factory building furred ceiling construction equipment

Info

Publication number: CN113374270A
Application number: CN202110841319.7A
Authority: CN
Inventors: 叶国锋; 叶玉敬; 莫桦; 叶娘汀
Original assignee: Guangdong Adway Construction Group
Current assignee: Guangdong Adway Construction Group
Priority date: 2021-07-26
Filing date: 2021-07-26
Publication date: 2021-09-10
Anticipated expiration: 2041-07-26
Also published as: CN113374270B

Abstract

The invention relates to the technical field of suspended ceiling construction, in particular to a plant suspended ceiling construction device which comprises two symmetrical telescopic plates, inner plates are sleeved in the two telescopic plates in a sliding mode, and bottom ends of the two telescopic plates are fixedly connected with chassis mechanisms for stabilizing positions. According to the ceiling, the two supporting mechanisms are clamped on the two expansion plates, at the moment, the two ends of the board are clamped at the top ends of the two inner plates through the clamping mechanisms, at the moment, the natural middle part of the board is enabled to fall down to enable the rectangular supporting plate to be located in the middle of the board, then the two drilling mechanisms are clamped above the jacking mechanism, then the jacking mechanism is clamped with the supporting rod, the two drilling mechanisms are started, the two supporting mechanisms are pushed to enable the top ends of the two inner plates to reach the upper part of the wood bracket, then the jacking rod is pushed to enable the board to be in a straight state, then the jacking mechanism is pushed, the jacking mechanism is enabled to push the two drilling mechanisms to drill the self-tapping screws into the wood to fix the board, and therefore a user can conveniently install the ceiling.

Description

Factory building furred ceiling construction equipment

Technical Field

The invention relates to the technical field of suspended ceiling construction, in particular to a plant suspended ceiling construction device.

Background

The suspended ceiling is one of important parts of indoor decoration for the top of a house, namely the decoration engineering of the ceiling, and when the suspended ceiling is carried out in a factory building, a PVC plastic plate is mostly used for flat-top installation.

However, because of the limitation of PVC material, under its longer condition, panel is easy to be because of the difference in height when people go up and down the ladder, and lead to panel one end too low to hang down and make panel easily receive gravity and break naturally, and, after panel suffered to the cutting because of the reason of lamps and lanterns position, narrower department just is easy to break because of external force or dead weight, when the furred ceiling is installed, installer can use the flitch to carry out fixed mounting to the furred ceiling, at this moment, after the flitch installation finishes, installer need stand the ladder and lay panel on, reuse electric drill nail into self-tapping screw for fixing, however, the operating range of ladder is limited, cause installer inconvenient operation, and, personnel are in unsettled state all the time in the installation, comparatively dangerous.

Disclosure of Invention

In order to overcome the technical problems, the invention aims to provide a plant suspended ceiling construction device, two supporting mechanisms are clamped on two expansion plates, at the moment, two ends of a plate are clamped at the top ends of two inner plates through clamping mechanisms, at the moment, the natural middle part of the plate falls to enable a rectangular supporting plate to be located in the middle of the plate, two drilling mechanisms are clamped above a jacking mechanism, the jacking mechanism is clamped with a jacking rod, the two drilling mechanisms are started, the two supporting mechanisms are pushed, the top ends of the two inner plates reach the upper part of a wooden bracket, the jacking rod is pushed again to enable the plate to be in a straight state, the jacking mechanism is pushed again to enable the jacking mechanism to push the two drilling mechanisms to drill a plurality of self-tapping screws into a wooden square to fix the plate, and therefore, a user can install a suspended ceiling on the ground quickly and conveniently, and the suspended ceiling is convenient for the user to install the suspended ceiling on the ground.

The purpose of the invention can be realized by the following technical scheme:

a plant ceiling construction device comprises two symmetrical expansion plates, inner plates are sleeved in the two expansion plates in a sliding mode, the bottom ends of the two expansion plates are fixedly connected with chassis mechanisms for fixing positions, clamping mechanisms for clamping plates are arranged on the two inner plates, sliding grooves are formed in one sides of the two expansion plates, clamping blocks are fixedly connected to the bottom ends of one sides of the two inner plates, the two clamping blocks are respectively sleeved in the adjacent sliding grooves in a sliding mode, a supporting rod is arranged between the two expansion plates, supporting mechanisms are rotatably connected to the two sides of the supporting rod, the supporting rod is fixedly clamped with the two clamping blocks through the two supporting mechanisms, a rectangular supporting plate for supporting the middle end of the plate is fixedly connected to the top end of the supporting rod, drilling mechanisms for screwing self-tapping screws are arranged on the two sides of the top end of the supporting rod, and jacking mechanisms for jacking up the drilling mechanisms are arranged below the two drilling mechanisms, the jacking mechanism is fixedly clamped with the supporting rod, a plurality of self-tapping screws are filled into the two drilling mechanisms, then battens are fixed on the roof according to the distance between the screws, then the battens are fixed on the peripheral wall of the factory building to form a wood bracket, the two expansion plates are placed at the two opposite side walls of the factory building through the underframe mechanism, are pressed by using a cement bag or a sand bag to be in a stable position and are positioned below the wood bracket, the two supporting mechanisms are clamped on the two expansion plates, at the moment, the two ends of the plate are clamped at the top ends of the two inner plates through the clamping mechanism, at the moment, the natural middle part of the plate falls down, the position of the rectangular plate is adjusted, the rectangular plate is positioned in the middle part of the plate, then the two drilling mechanisms are placed above the jacking mechanism, the jacking mechanism is clamped with the supporting rod, the two drilling mechanisms are started, at the moment, the tips of all the self-tapping screws are not contacted with the plate, and the two supporting mechanisms are pushed, make two inner panel tops reachd wooden bracket top, and panel is in the arc state this moment, and not contact with wooden bracket, promote the trailing arm again, make panel be straight state, this moment, the panel both ends are located directly over the wooden bracket and contact with wooden bracket top surface, at this moment, promote the top and hold in the palm the mechanism again, make the top hold in the palm the mechanism and promote two drilling mechanisms and bore a plurality of self tapping screws and go into fixed panel in the flitch, thereby make the user of service install the furred ceiling subaerial quick convenient, make things convenient for user of service to install the furred ceiling, and owing to be in ground installation, make the user of service need not stand and install on the ladder, thereby improve the security of user of service when the construction, and simultaneously, bear panel through the layer board, make panel be in horizontal migration when the up-and-down motion, and there is three point bearing, make panel be difficult for breaking.

Further, the method comprises the following steps: the chassis mechanism comprises a supporting plate, the top end of the supporting plate is fixedly connected to the bottom ends of adjacent expansion plates, sliding grooves are formed in two opposite sides of the supporting plate, the bottom ends of the two sliding grooves are rotatably connected with second rotating plates, one ends of the two second rotating plates are rotatably connected with first rotating plates, one ends of the two first rotating plates are slidably connected with the inner portions of the adjacent sliding grooves, one ends of the two second rotating plates are rotated out of the adjacent sliding grooves by rotating the two second rotating plates, at the moment, one ends of the two first rotating plates slide in the adjacent sliding grooves, the other ends of the two first rotating plates rotate out of the adjacent sliding grooves by rotating one ends of the connected second rotating plates, a triangle is formed between the two first rotating plates and the supporting plate, the expansion plates are grounded stably, and heavy objects such as sand bags and cement bags are pressed on the top surfaces of the second rotating plates, Or the inclined plane department of first commentaries on classics board can, when accomodating, only need to change two second commentaries on classics boards and rotate back adjacent sliding tray inside, first commentaries on classics board rather than being connected can promote and slide to adjacent sliding tray inside along with the extrusion of second commentaries on classics board to be convenient for accomodate, make the whole surface of extension board can not appear outstanding.

Further, the method comprises the following steps: the clamping mechanism comprises a supporting plate, the center of the bottom surface of the supporting plate is fixedly connected to the top end of an adjacent inner plate, the two ends of the supporting plate are respectively provided with a first arc-shaped block, the two first arc-shaped blocks are in mirror symmetry, one end of each of the two first arc-shaped blocks is rotatably connected with a rotating rod, the two ends of each rotating rod are respectively fixedly connected with the two ends of the supporting plate, the outer cylindrical surfaces of the two rotating rods are movably sleeved with a torsional spring, one end of each torsional spring is fixedly connected to the outer cylindrical surface of the adjacent rotating rod, the other end of each torsional spring is fixedly connected to one end of the adjacent first arc-shaped block, the center of the outer curved surfaces of the two first arc-shaped blocks is rotatably connected with a second arc-shaped block, one end of each second arc-shaped block is rotatably connected with a connecting rod, the bottom ends of the two connecting rods are fixedly connected with a sleeving ring, the sleeving ring is slidably sleeved with the outer wall of the adjacent expansion plate and is positioned below the adjacent clamping block to pull the sleeving ring, at the moment, the sleeve ring can drive the two connecting rods to move downwards, so that the bottom ends of the two second arc-shaped blocks move downwards, because the top ends of the two second arc-shaped blocks are fixedly connected with the centers of the outer arc surfaces of the two first arc-shaped blocks, in the process of moving the second arc-shaped blocks downwards, the two second arc-shaped blocks can drive the two first arc-shaped blocks to rotate in opposite directions, thereby the two torsional springs are deformed, at the moment, the end parts of the two first arc-shaped blocks are separated from the abutting plate and are not positioned above the abutting plate, at the moment, the plate can freely come in and go out of the upper part of the abutting plate, after the sleeve ring is loosened, the two first arc-shaped blocks reset under the action of the elasticity of the torsional springs, thereby make two second arc pieces reset to two connecting rods of pulling shift up at two second arc pieces rotation in-process that reset, the user of being convenient for freely advances out the department of support top at ground control panel, thereby control accurate the placing of panel on wooden bracket.

Further, the method comprises the following steps: one end of the sleeving ring is fixedly connected with a pedal, so that a user can step on the pedal by feet to move the sleeving ring.

Further, the method comprises the following steps: the round hole has been seted up at footboard top surface center, is located two supporting foot bars that are provided with between the round hole on two card solid mechanisms, and the foot bar both ends respectively with two round hole fixed joint, make the user can insert the round hole department on two footboards with the foot bar both ends, at this moment, only need use a foot step on the foot bar alright with make two cover connect the ring synchronous decline on two expansion plates, make things convenient for the user to operate.

Further, the method comprises the following steps: the bottom end of the supporting rod is fixedly connected with two opposite side walls through connecting plates, and two ends of the two connecting plates are respectively rotatably connected with the two supporting mechanisms;

the supporting mechanism comprises a telescopic rod, one end of the telescopic rod is rotatably connected with a clamping head, the clamping head is fixedly clamped with the adjacent clamping block, the other end of the telescopic rod is rotatably connected with one end of the two adjacent connecting plates, the clamping heads on the two supporting mechanisms are clamped with the clamping blocks on the two inner plates, the two ends of the plate are clamped on the top surfaces of the two abutting plates, the middle end of the plate naturally falls to a certain angle, the plate is arc-shaped at the moment, the rectangular supporting plate is supported in the middle of the plate, at the moment, the two telescopic rods are in an inclined state, and the telescopic rods on the two supporting mechanisms are lifted, so that the top ends of the two inner plates can reach the upper part of the wood supporting frame, the plate can be installed, simultaneously, when two telescopic links can make the user promote the poker rod, do not receive two telescopic link length influences when the poker rod shifts up, two telescopic links can contract gradually until two telescopic links are parallel.

Further, the method comprises the following steps: the dop includes the gomphosis piece, and gomphosis piece one end rotates with adjacent telescopic link one end to be connected, the gomphosis piece other end and the fixed gomphosis of adjacent fixture block, and gomphosis piece top surface top are provided with U type piece, two arm one ends of U type piece all run through adjacent fixture block bottom surface and gomphosis piece bottom surface, through on embedding adjacent fixture block with the gomphosis piece, insert two arms of U type piece again, make the weight that the dop can load the bearing with being connected of fixture block to, easy user of service separates and accomodates, only needs to take out the U type piece from gomphosis piece and fixture block inside can make gomphosis piece and fixture block separation.

Further, the method comprises the following steps: sliding grooves are formed in two opposite sides of two adjacent connecting plates at the bottom end of the supporting rod, a U-shaped sliding plate is connected between the two sliding grooves in a sliding mode, the outer side walls of two arms of the U-shaped sliding plate are fixedly connected with a plurality of tooth blocks in an equidistant mode, the other ends of the two telescopic rods are fixedly connected with meshing gears, the outer side walls of two arms of the U-shaped sliding plate are meshed with the teeth of the adjacent meshing gears through the tooth blocks, a threaded rod is connected to the bottom end of the supporting rod in a rotating mode, one end of the threaded rod penetrates through the center of the outer arc surface of the U-shaped sliding plate and is fixedly connected with a handle, the outer cylindrical surface of the threaded rod is screwed with the center of the outer arc surface of the U-shaped sliding plate, when the threaded rod is screwed, the U-shaped sliding plate can move up and down on the two sliding grooves along with the rotation of the screwed threaded rod, so that the two meshing gears are driven to rotate synchronously along with the movement of the U-shaped sliding plate, and the included angles between the two telescopic rods and the supporting rod are kept consistent, thereby make panel can parallel motion when the up-and-down motion, reduce the impaired probability of panel, U type slide can make two walls simultaneous movement same distance when the motion, and at this moment, the contained angle between two telescopic links and the follow pole is controlled through two engaged gears that the size is the same of meshing of being convenient for.

Further, the method comprises the following steps: the top end of the side wall of the supporting rod is provided with a rectangular through hole, the jacking mechanism comprises two U-shaped supporting plates which are in mirror symmetry, two arms of each U-shaped supporting plate are detachably clamped with the adjacent drilling mechanism, one end of each drilling mechanism is abutted against one side of the adjacent expansion plate, the opposite ends of the two U-shaped supporting plates are fixedly connected with rectangular ring blocks, one end of each rectangular ring block is positioned in the rectangular through hole, sliding rods are slidably connected in the two rectangular ring blocks, the two ends of each sliding rod are provided with L-shaped rings, the two ends of each sliding rod are respectively slidably connected with the inner parts of the adjacent L-shaped rings, one end of each short arm of each L-shaped ring is fixedly connected with the side wall of the supporting rod, the two sides of the two sliding rods are provided with T-shaped pull rods, and the two sides of the top ends of the two T-shaped pull rods are respectively, the bottom ends of the two T-shaped pull rods are positioned above the adjacent sliding grooves, two rectangular ring blocks are inserted into the rectangular through holes, the two drilling mechanisms are clamped on the two U-shaped supporting plates respectively, the two drilling mechanisms are clamped on the two U-shaped supporting plates, one ends of the drilling mechanisms are abutted against one sides of the adjacent telescopic plates, so that the two U-shaped supporting plates can keep a parallel state to move up and down, at the moment, the two T-shaped pull rods are pushed, at the moment, the T-shaped pull rods can drive the two sliding rods to slide along the connected L-shaped rings, one ends of the two U-shaped supporting plates move up, the two drilling mechanisms are clamped with the two U-shaped supporting plates, the U-shaped supporting plates and the clamped drilling mechanisms are in an integral state, one ends of the drilling mechanisms are also abutted against the adjacent telescopic plates, when the two U-shaped supporting plates move up, the two U-shaped supporting plates can drive the two drilling mechanisms to synchronously move up, so that the drilling mechanism can screw the self-tapping screw on the plate.

Further, the method comprises the following steps: the drilling mechanism comprises a box body, wherein a plurality of screw rotating units used for screwing the self-tapping screws are fixedly connected with the inside of the box body at equal intervals, the outer annular surfaces of the four screw rotating units of adjacent supporting rods are detachably clamped with two arms of adjacent U-shaped supporting plates, one end of the box body is fixedly connected with a connecting strip, and the two ends of the connecting strip are rotatably connected with pulleys, so that when one end of each U-shaped supporting plate in clamping connection moves upwards, the U-shaped supporting plate can drive the box body to move upwards due to the fact that the two pulleys are supported on one side of the adjacent expansion plate, the box body is convenient to keep a parallel state to move upwards and downwards, and the self-tapping screws enable plates to be nailed into a wood direction under the driving of the screw rotating units.

Further, the method comprises the following steps: the spiral unit includes brushless motor, and brushless motor end fixedly connected with rolling disc, rolling disc top surface center fixedly connected with is used for the solid self tapping screw's of card rubber buffer, and through going into the self tapping screw rubber buffer, at this moment, start brushless motor, brushless motor will drive the rolling disc and rotate to make self tapping screw spiral close panel and flitch.

The invention has the beneficial effects that:

1. the two supporting mechanisms are clamped on the two expansion plates, at the moment, the two ends of the plate are clamped at the top ends of the two inner plates through the clamping mechanisms, at the moment, the natural middle part of the plate falls, the position of the rectangular supporting plate is adjusted, the rectangular supporting plate is positioned in the middle part of the plate, then the two drilling mechanisms are placed above the jacking mechanism, the jacking mechanism is clamped with the support rod, the two drilling mechanisms are started, at the moment, the tips of all self-tapping screws are not in contact with the plate, the two supporting mechanisms are pushed, the top ends of the two inner plates reach the upper part of the wood bracket, at the moment, the plate is in an arc state and is not in contact with the wood bracket, the support rod is pushed again, the plate is in a straight state, at the moment, the two ends of the plate are positioned right above the wood bracket and are in contact with the top surface of the wood bracket, at the moment, the jacking mechanism is pushed again, the jacking mechanism pushes the two drilling mechanisms to drill a plurality of self-tapping screws into the batten for fixation, therefore, a user can quickly and conveniently install the suspended ceiling on the ground, the suspended ceiling is convenient for the user to install, and the suspended ceiling is installed on the ground, so that the user does not need to stand on a ladder for installation, the safety of the user during construction is improved, meanwhile, the plate is supported by the supporting plate, the plate is horizontally moved during up-and-down movement, and the plate is supported by three points, so that the plate is not easy to break;

2. the U-shaped sliding plate can move up and down on the two sliding grooves along with the rotation of the screwed threaded rod by screwing the threaded rod, so that the U-shaped sliding plate moves to drive the two meshed gears to synchronously rotate along with the rotation of the U-shaped sliding plate, the included angles between the two telescopic rods and the supporting rod are kept consistent, the plates can move in parallel when moving up and down, and the damage probability of the plates is reduced;

3. the sleeve joint belt is pulled to move the two connecting rods downwards, so that the bottom ends of the two second arc-shaped blocks downwards move, at the moment, because the top ends of the two second arc-shaped blocks are fixedly connected with the centers of the outer arc surfaces of the two first arc-shaped blocks, in the process of moving the second arc-shaped blocks downwards, the two second arc-shaped blocks can drive the two first arc-shaped blocks to rotate in opposite directions, thereby the two torsional springs are deformed, at the moment, the end parts of the two first arc-shaped blocks are separated from the abutting plate and are not positioned above the abutting plate, at the moment, the plate can freely come in and go out of the upper part of the abutting plate, after the sleeve ring is loosened, the two first arc-shaped blocks reset under the action of the elasticity of the torsional springs, therefore, the two second arc-shaped blocks are reset, and the two connecting rods are pulled to move upwards in the resetting and rotating process of the two second arc-shaped blocks, so that the control panel can freely enter and exit from the upper part of the abutting plate on the ground by a user, and the control panel is accurately placed on the wood bracket;

4. through on imbedding the gomphosis piece adjacent fixture block, insert two arms of U type piece again, make the dop can load the weight of bearing with being connected of fixture block to, easily user of service separates and accomodates, only needs to take out the U type piece from gomphosis piece and fixture block are inside can make gomphosis piece and fixture block separation.

Drawings

The invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of a telescopic rod and an underframe mechanism in the invention;

FIG. 3 is an enlarged partial view of the invention at A;

FIG. 4 is a schematic diagram showing the positional relationship among the holding rod, the supporting mechanism, the jacking mechanism and the drilling mechanism in the present invention;

FIG. 5 is a schematic view of the structure of the drag lever of the present invention;

FIG. 6 is an enlarged partial view of the invention at B;

FIG. 7 is a schematic view of the support mechanism of the present invention;

FIG. 8 is a schematic view of a chuck in accordance with the present invention;

FIG. 9 is a schematic view of the structure of the drill mechanism of the present invention;

FIG. 10 is a schematic view of the jacking mechanism of the present invention;

FIG. 11 is an enlarged partial view at C of the present invention;

FIG. 12 is a schematic view of the structure of the spinning unit of the present invention.

In the figure: 100. a retractable plate; 101. a chute; 110. an inner plate; 111. a clamping block; 200. an undercarriage mechanism; 210. a support plate; 211. a sliding groove; 220. a first rotating plate; 230. a second rotating plate; 300. a clamping mechanism; 310. a resisting plate; 320. a first arc-shaped block; 321. a torsion spring; 322. a rotating rod; 330. a second arc-shaped block; 340. a connecting rod; 350. a sleeving connection ring; 360. a pedal; 361. a circular hole; 400. a support mechanism; 410. a telescopic rod; 420. clamping a head; 421. a fitting block; 422. a U-shaped block; 430. a meshing gear; 500. a drag lever; 501. a rectangular through hole; 502. a sliding groove; 510. a rectangular pallet; 521. a U-shaped slide plate; 522. a tooth block; 530. a threaded rod; 531. a handle; 540. a connecting plate; 600. a jacking mechanism; 610. a U-shaped supporting plate; 620. a rectangular ring block; 630. a slide bar; 640. an L-shaped ring; 650. a T-shaped pull rod; 700. a drilling mechanism; 710. a box body; 720. a connecting strip; 721. a pulley; 730. a spinning unit; 731. a brushless motor; 732. rotating the disc; 733. a rubber plug; 900. a pedal lever.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-12, a plant ceiling construction device comprises two symmetrical expansion plates 100, inner plates 110 are slidably sleeved inside the two expansion plates 100, bottom ends of the two expansion plates 100 are fixedly connected with chassis mechanisms 200 for fixing positions, clamping mechanisms 300 for clamping plates are arranged on the two inner plates 110, one sides of the two expansion plates 100 are respectively provided with a chute 101, bottom ends of one sides of the two inner plates 110 are respectively fixedly connected with clamping blocks 111, the two clamping blocks 111 are respectively slidably sleeved inside the adjacent chutes 101, a supporting rod 500 is arranged between the two expansion plates 100, two sides of the supporting rod 500 are respectively rotatably connected with supporting mechanisms 400, the supporting rod 500 is fixedly clamped with the two clamping blocks 111 through the two supporting mechanisms 400, the top end of the supporting rod 500 is fixedly connected with a rectangular supporting plate 510 for supporting the middle end of a plate, and two sides of the top end of the supporting rod 500 are respectively provided with drilling mechanisms 700 for screwing self-tapping screws, the jacking mechanism 600 for jacking the drilling mechanisms 700 is arranged below the two drilling mechanisms 700, the jacking mechanism 600 is fixedly clamped with the jacking rod 500, a plurality of self-tapping screws are filled into the two drilling mechanisms 700, then battens are fixed on the roof according to the space between the screws, then the battens are fixed on the peripheral wall of a factory building to form a wooden bracket, two expansion plates 100 are placed at the opposite two side walls of the factory building through the underframe mechanism 200 and pressed by using cement bags or sand bags to stabilize the position, the two support mechanisms 400 are clamped on the two expansion plates 100, at the moment, the two ends of the boards are clamped at the top ends of the two inner plates 110 through the clamping mechanism 300, at the moment, the natural middle parts of the boards are enabled to fall down, the position of the rectangular supporting plate 510 is adjusted, then the two drilling mechanisms 700 are placed above the jacking mechanism 600, and then the jacking mechanism 600 is clamped with the jacking rod 500, starting the two drilling mechanisms 700, wherein the tips of all the self-tapping screws do not contact with the board, pushing the two supporting mechanisms 400 to enable the top ends of the two inner plates 110 to reach the upper part of the wooden bracket, and the board is in an arc state and does not contact with the wooden bracket, pushing the supporting rod 500 to enable the board to be in a straight state, wherein the two ends of the board are positioned right above the wooden bracket and contact with the top surface of the wooden bracket, pushing the jacking mechanism 600 to enable the jacking mechanism 600 to push the two drilling mechanisms 700 to drill a plurality of self-tapping screws into the wooden square to fix the board, so that a user can quickly and conveniently install the suspended ceiling on the ground, the suspended ceiling is convenient for the user to install, and the user does not need to stand on a ladder to install due to the fact that the suspended ceiling is arranged on the ground, the safety of the user during construction is improved, meanwhile, the board is supported by the supporting plate, and is enabled to be in horizontal movement when the board moves up and down, and three points of support are provided, so that the plate is not easy to break.

The chassis mechanism 200 includes a support plate 210, the top end of the support plate 210 is fixedly connected to the bottom end of the adjacent expansion plate 100, the opposite two sides of the support plate 210 are respectively provided with a sliding groove 211, the bottom ends of the two sliding grooves 211 are respectively and rotatably connected with a second rotating plate 230, one end of each of the two second rotating plates 230 is respectively and rotatably connected with a first rotating plate 220, one end of each of the two first rotating plates 220 is respectively and slidably connected with the inside of the adjacent sliding groove 211, by rotating the two second rotating plates 230, one end of each of the two second rotating plates 230 is rotated out of the adjacent sliding groove 211, at this time, one end of each of the two first rotating plates 220 slides in the adjacent sliding groove 211, and the other end of each of the two first rotating plates 220 rotates out of the adjacent sliding groove 211 along with the rotation of one end of the connected second rotating plate 230, so that the two first rotating plates 220, the connected second rotating plates 230 and the support plate 210 form a triangle, and the expansion plate 100 is grounded stably, when the support plate is stored, only the two second rotating plates 230 need to be rotated back to the inside of the adjacent sliding grooves 211, and the first rotating plate 220 connected with the two second rotating plates 230 can slide to the inside of the adjacent sliding grooves 211 along with the extrusion and pushing of the second rotating plates 230, so that the storage is facilitated, and the whole surface of the support plate 210 is not protruded; the clamping mechanism 300 comprises a supporting plate 310, the center of the bottom surface of the supporting plate 310 is fixedly connected to the top end of the adjacent inner plate 110, the two ends of the supporting plate 310 are respectively provided with a first arc-shaped block 320, the two first arc-shaped blocks 320 are in mirror symmetry, one end of each of the two first arc-shaped blocks 320 is rotatably connected with a rotating rod 322, the two ends of each of the two rotating rods 322 are respectively fixedly connected with the two ends of the supporting plate 310, the outer cylindrical surfaces of the two rotating rods 322 are movably sleeved with a torsion spring 321, one end of each of the two torsion springs 321 is fixedly connected to the outer cylindrical surface of the adjacent rotating rod 322, the other end of each of the two torsion springs 321 is fixedly connected to one end of the adjacent first arc-shaped block 320, the center of the outer arc surface of each of the two first arc-shaped blocks 320 is rotatably connected with a second arc-shaped block 330, one end of each of the two second arc-shaped blocks 330 is rotatably connected with a connecting rod 340, the bottom ends of the two connecting rods 340 are fixedly connected with a sleeve ring 350, and the sleeve 350 is slidably sleeved with the outer wall of the adjacent expansion plate 100 and is positioned below the adjacent clamping block 111, the sleeving ring 350 is pulled, at this time, the sleeving ring 350 drives the two connecting rods 340 to move downwards, so that the bottom ends of the two second arc-shaped blocks 330 move downwards, at this time, because the top ends of the two second arc-shaped blocks 330 are fixedly connected to the centers of the outer arc surfaces of the two first arc-shaped blocks 320, during the downward movement of the second arc-shaped blocks 330, the two second arc-shaped blocks 330 drive the two first arc-shaped blocks 320 to rotate in opposite directions, so that the two torsion springs 321 deform, at this time, the end parts of the two first arc-shaped blocks 320 are separated from the abutting plate 310 and are not positioned above the abutting plate 310, at this time, the plate can freely pass in and out above the abutting plate 310, after the sleeving ring 350 is loosened, the two first arc-shaped blocks 320 reset under the elastic action of the torsion springs 321, so that the two second arc-shaped blocks 330 reset, and during the resetting rotation of the two second arc-shaped blocks 330, the two connecting rods 340 are pulled to move upwards, so that a user can freely pass in and out the abutting plate 310 on the ground surface, thereby controlling the accurate placement of the panel on the wooden bracket; one end of the sleeving ring 350 is fixedly connected with a pedal 360, so that a user can conveniently step on the pedal 360 by feet to move the sleeving ring 350; the center of the top surface of the pedal 360 is provided with a round hole 361, a pedal rod 900 is arranged between the two round holes 361 on the two clamping mechanisms 300 in a matching way, and two ends of the pedal rod 900 are fixedly clamped with the two round holes 361 respectively, so that a user can insert two ends of the pedal rod 900 into the round holes 361 on the two pedals 360, and at the moment, the two sleeving rings 350 on the two telescopic plates 100 can descend synchronously only by stepping on the pedal rod 900 with one foot, thereby facilitating the operation of the user; the bottom end of the supporting rod 500 is fixedly connected with the two opposite side walls of the connecting plates 540, the two ends of the two connecting plates 540 are respectively rotatably connected with the two supporting mechanisms 400, each supporting mechanism 400 comprises a telescopic rod 410, one end of the telescopic rod 410 is rotatably connected with a clamping head 420, the clamping head 420 is fixedly clamped with the adjacent clamping block 111, the other end of the telescopic rod 410 is rotatably connected with one end of the adjacent two connecting plates 540, the clamping heads 420 on the two supporting mechanisms 400 are clamped with the clamping blocks 111 on the two inner plates 110, the two ends of the plate are clamped on the top surfaces of the two abutting plates 310, the middle end of the plate naturally falls to a certain angle, the plate is arc-shaped at the moment, the rectangular supporting plate 510 is supported in the middle of the plate, at the moment, the two telescopic rods 410 are in an inclined state, the top ends of the two inner plates 110 can reach above the wood bracket by lifting the telescopic rods 410 on the two supporting mechanisms 400, the plate can be installed, and meanwhile, when a user pushes the supporting rod 500, when the dragging rod 500 moves upwards, the length of the two telescopic rods 410 is not influenced, and when the dragging rod 500 moves upwards, the two telescopic rods 410 can gradually contract until the two telescopic rods 410 are parallel; the chuck 420 comprises an embedding block 421, one end of the embedding block 421 is rotatably connected with one end of the adjacent telescopic rod 410, the other end of the embedding block 421 is fixedly embedded with the adjacent fixture block 111, a U-shaped block 422 is arranged above the top surface of the embedding block 421, one end of each of two arms of the U-shaped block 422 penetrates through the bottom surface of the adjacent fixture block 111 and the bottom surface of the embedding block 421, the embedding block 421 is embedded into the adjacent fixture block 111, and then the two arms of the U-shaped block 422 are inserted, so that the chuck 420 is connected with the fixture block 111 to bear the weight, and the separation and storage are easy for a user, and the embedding block 421 and the fixture block 111 can be separated only by taking out the U-shaped block 422 from the embedding block 421 and the fixture block 111; the two opposite sides of two adjacent connecting plates 540 at the bottom end of the supporting rod 500 are both provided with sliding grooves 502, a U-shaped sliding plate 521 is slidably connected between the two sliding grooves 502, the outer side walls of two arms of the U-shaped sliding plate 521 are fixedly connected with a plurality of tooth blocks 522 at equal intervals, the other ends of two telescopic rods 410 are fixedly connected with meshing gears 430, the outer side walls of two arms of the U-shaped sliding plate 521 are respectively meshed with the adjacent meshing gears 430 through the plurality of tooth blocks 522, the bottom end of the supporting rod 500 is rotatably connected with a threaded rod 530, one end of the threaded rod 530 penetrates through the center of the outer arc surface of the U-shaped sliding plate 521 and is fixedly connected with a handle 531, the outer cylindrical surface of the threaded rod 530 is screwed with the center of the outer arc surface of the U-shaped sliding plate 521, when the threaded rod 530 is screwed, the U-shaped sliding plate 521 can move up and down on the two sliding grooves 502 along with the rotation of the rotating shaft of the U-shaped sliding plate 521, so as the two meshing gears 430 are driven to rotate synchronously along with the movement of the U-shaped sliding plate 521, therefore, the included angle between the two telescopic rods 410 and the supporting rod 500 is kept consistent, so that the plates can move in parallel when moving up and down, the probability of damage to the plates is reduced, the two walls can move for the same distance when the U-shaped sliding plate 521 moves, and at the moment, the included angle between the two telescopic rods 410 and the supporting rod 500 can be conveniently controlled through the two meshed gears 430 with the same size.

The top end of the side wall of the supporting rod 500 is provided with a rectangular through hole 501, the jacking mechanism 600 comprises two U-shaped supporting plates 610 with mirror symmetry, two arms of each U-shaped supporting plate 610 are detachably clamped with the adjacent drilling mechanism 700, one end of each drilling mechanism 700 is abutted against one side of the adjacent expansion plate 100, the opposite end of each U-shaped supporting plate 610 is fixedly connected with a rectangular ring block 620, one end of each rectangular ring block 620 is positioned in the rectangular through hole 501, a sliding rod 630 is slidably connected in each rectangular ring block 620, two ends of each sliding rod 630 are provided with L640, two ends of each sliding rod 630 are respectively slidably connected with the adjacent L640, one end of each short arm of each L640 is fixedly connected with the side wall of the supporting rod 500, two sides of each sliding rod 630 are provided with T-shaped pull rods 650, and two sides of the top ends of the two T-shaped pull rods 650 are respectively fixedly connected with the end parts of the two sliding rods 630, the bottom ends of the two T-shaped pull rods 650 are both located above the adjacent sliding grooves 502, two rectangular ring blocks 620 are inserted into the rectangular through holes 501, the two drilling mechanisms 700 are respectively clamped on the two U-shaped supporting plates 610, because the two drilling mechanisms 700 are clamped on the two U-shaped supporting plates 610, and one end of each drilling mechanism 700 is abutted against one side of the adjacent expansion plate 100, so that the two U-shaped supporting plates 610 can keep a parallel state to move up and down, at the moment, the two T-shaped pull rods 650 are pushed, at the moment, the T-shaped pull rods 650 drive the two sliding rods 630 to slide along the connected L-shaped ring 640, so that one ends of the two U-shaped supporting plates 610 move up, because the two drilling mechanisms 700 are clamped with the two U-shaped supporting plates 610, the U-shaped supporting plates 610 and the clamped drilling mechanisms 700 are in an integrated state, and one end of the drilling mechanism 700 is also abutted against the adjacent expansion plate 100, when the two U-shaped supporting plates 610 move upwards, the two U-shaped supporting plates 610 drive the two drilling mechanisms 700 to move upwards synchronously, so that the drilling mechanisms 700 perform screwing of self-tapping screws on the plates; the drilling mechanism 700 comprises a box body 710, a plurality of screw units 730 for screwing and tapping screws are fixedly connected to the interior of the box body 710 at equal intervals, the outer annular surfaces of the four screw units 730 of adjacent supporting rods 500 are detachably clamped with the two arms of adjacent U-shaped supporting plates 610, one end of the box body 710 is fixedly connected with a connecting strip 720, and the two ends of the connecting strip 720 are rotatably connected with pulleys 721, so that when one end of the clamped U-shaped supporting plate 610 moves upwards, the two pulleys 721 are abutted against one side of the adjacent expansion plate 100, so that the U-shaped supporting plate 610 can drive the box body 710 to move upwards, the box body 710 can conveniently keep a parallel state to move upwards and downwards, and thus the tapping screws can drive plates to be nailed into a wood direction under the driving of the screw units 730; the screwing unit 730 comprises a brushless motor 731, a rotating disc 732 is fixedly connected to the motor end of the brushless motor 731, a rubber plug 733 for clamping and fixing a self-tapping screw is fixedly connected to the center of the top surface of the rotating disc 732, the self-tapping screw is clamped into the rubber plug 733, at the moment, the brushless motor 731 is started, and the brushless motor 731 drives the rotating disc 732 to rotate, so that the self-tapping screw is screwed into a plate and a batten.

The working principle is as follows: when the self-tapping mechanism is used, a plurality of self-tapping screws are clamped into all rubber plugs 733 on two drilling mechanisms 700, battens are fixed on a roof according to the distance between the screws, the battens are fixed on the peripheral wall of a factory building to form a wooden bracket, all the second rotating plates 230 on the underframe mechanisms 200 on the two telescopic plates 100 are rotated, one ends of all the second rotating plates 230 are rotated out of the adjacent sliding grooves 211, at the moment, one ends of the first rotating plates 220 connected with all the second rotating plates 230 slide in the adjacent sliding grooves 211, the other ends of all the first rotating plates 220 rotate out of the adjacent sliding grooves 211 along with one ends of the connected second rotating plates 230, a triangle is formed between each first rotating plate 220 and the connected second rotating plates 230 and supporting plates 210, the telescopic plates 100 are stably grounded, and heavy objects such as sand bags, cement bags and the like are pressed on the top surfaces of the second rotating plates 230, Or the inclined plane of the first rotating plate 220, when the sleeve ring 350 on each clamping mechanism 300 is pulled, at this time, the sleeve ring 350 will drive the two connecting rods 340 to move downwards, so that the bottom ends of the two second arc-shaped blocks 330 move downwards, at this time, because the top ends of the two second arc-shaped blocks 330 are fixedly connected to the centers of the outer arc surfaces of the two first arc-shaped blocks 320, during the downward movement of the second arc-shaped blocks 330, the two second arc-shaped blocks 330 will drive the two first arc-shaped blocks 320 to rotate in opposite directions, so that the two torsion springs 321 are deformed, at this time, the end parts of the two first arc-shaped blocks 320 are separated from the resisting plate 310 and are not located above the resisting plate 310, at this time, the plate can freely pass in and out above the resisting plate 310, after the sleeve ring 350 is loosened, the two first arc-shaped blocks 320 reset under the elastic force of the torsion springs 321, so that the two second arc-shaped blocks 330 reset, and in the process of resetting the two second arc-shaped blocks 330, the two connecting rods 340 are pulled to move upwards, the panel is conveniently controlled by a user on the ground to freely pass in and out above the abutting plate 310, after the two ends of the panel are clamped on the abutting plate 310 by the clamping mechanism 300, the natural middle part of the panel is allowed to fall, the position of the rectangular supporting plate 510 is adjusted, the rectangular supporting plate 510 is positioned in the middle of the panel, the brushless motor 731 is started, the brushless motor 731 drives the rotating disc 732 to rotate, so as to drive each self-tapping screw to rotate, the two rectangular ring blocks 620 are inserted into the rectangular through hole 501, the screw rotating units 730 of two adjacent U-shaped supporting plates 610 on the two drilling mechanisms 700 are respectively clamped on the two U-shaped supporting plates 610, at the moment, the two pulleys 721 are abutted against one side of the adjacent expansion plate 100, so that the two U-shaped supporting plates 610 can keep a parallel state to move up and down, the U-shaped supporting plates 610 can drive the box body 710 to move up and down, so that the box body 710 can keep a parallel state to move up and down, the clamping heads 420 on the two supporting mechanisms 400 are clamped with the clamping blocks 111 on the two inner plates 110, at the moment, the two telescopic rods 410 are in an inclined state, each self-tapping screw is positioned below the plate and is not contacted with the plate, the two supporting mechanisms 400 are pushed, the top ends of the two inner plates 110 reach the upper part of the wooden bracket, at the moment, the plate is in an arc state and is not contacted with the wooden bracket, then the threaded rod 530 is screwed, the U-shaped sliding plate 521 can move up and down on the two sliding grooves 502 along with the rotation of the screwed threaded rod 530, so that the two meshed gears 430 are driven to synchronously rotate along with the movement of the U-shaped sliding plate 521, the included angles between the two telescopic rods 410 and the supporting rod 500 are kept consistent, the two telescopic rods 410 are gradually rotated to a parallel state along with the screwing of the threaded rod 530, at the plate is in a straight state, and the two ends of the plate are clamped above the wooden bracket, at this time, the two T-shaped pull rods 650 are pushed, at this time, the T-shaped pull rods 650 drive the two sliding rods 630 to slide along the connected L-shaped rings 640, so that one ends of the two U-shaped supporting plates 610 move upwards, the box body 710 moves upwards, the box body 710 is convenient to keep a parallel state to move up and down, the tapping screws are driven by the screwing units 730 to drive the plates to be nailed into the wood, the two sleeving rings 350 are pressed downwards, the two ends of the plates are separated from the upper side of the abutting plates 310, and then the supporting rods 500 are slid to lower the two inner plates 110;

when the two rotary screw units are stored, the rotary screw units 730 are closed, the two drilling mechanisms 700 are taken down from the jacking mechanism 600, the rectangular ring blocks 620 on the two U-shaped supporting plates 610 on the jacking mechanism 600 are pulled to one ends to be contacted with the adjacent sliding rods 630, at this time, the two U-shaped supporting plates 610 can be rotated, the U-shaped blocks 422 are taken out from the adjacent embedding blocks 421, the threaded rods 530 are screwed, so that the meshing gears 430 on the two telescopic rods 410 slide along with the U-shaped sliding plates 521 to be parallel to the jacking rods 500, the second rotary plates 230 on the two telescopic plates 100 are rotated back to the adjacent sliding grooves 211, and the first rotary plates 220 connected with the second rotary plates 230 slide to the adjacent sliding grooves 211 along with the extrusion and pushing of the second rotary plates 521.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is illustrative and explanatory only and is not intended to be exhaustive or to limit the invention to the precise embodiments described, and various modifications, additions, and substitutions may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the claims.

Claims

1. A plant ceiling construction device comprises two symmetrical expansion plates (100), inner plates (110) are sleeved in the two expansion plates (100) in a sliding manner, and the plant ceiling construction device is characterized in that the bottom ends of the two expansion plates (100) are fixedly connected with chassis mechanisms (200) for stabilizing positions, clamping mechanisms (300) for clamping plates are arranged on the two inner plates (110), one sides of the two expansion plates (100) are respectively provided with a sliding groove (101), the bottom ends of one sides of the two inner plates (110) are respectively and fixedly connected with clamping blocks (111), the two clamping blocks (111) are respectively sleeved in the adjacent sliding grooves (101) in a sliding manner, a supporting rod (500) is arranged between the two expansion plates (100), the two sides of the supporting rod (500) are respectively and rotatably connected with supporting mechanisms (400), and the supporting rod (500) is fixedly clamped with the two clamping blocks (111) through the two supporting mechanisms (400), the supporting rod (500) top fixedly connected with is used for supporting the rectangle layer board (510) of panel middle-end, and supports and move pole (500) top both sides and all is provided with and is used for closing the drilling mechanism (700) of self-tapping screw soon, and two drilling mechanism (700) below are provided with and are used for supporting the top of the mechanism (600) of supporting that drills mechanism (700), and push up and hold in the palm the mechanism (600) and all with the fixed joint of support rod (500).

2. The factory building ceiling construction device according to claim 1, wherein the base frame mechanism (200) comprises a support plate (210), the top end of the support plate (210) is fixedly connected to the bottom end of the adjacent expansion plate (100), sliding grooves (211) are formed in two opposite sides of the support plate (210), the bottom ends of the two sliding grooves (211) are rotatably connected with second rotating plates (230), one end of each of the two second rotating plates (230) is rotatably connected with a first rotating plate (220), and one end of each of the two first rotating plates (220) is slidably connected with the inside of the adjacent sliding groove (211).

3. The factory building ceiling construction device according to claim 1, wherein the clamping mechanism (300) comprises a resisting plate (310), the center of the bottom surface of the resisting plate (310) is fixedly connected to the top end of the adjacent inner plate (110), first arc-shaped blocks (320) are arranged at both ends of the resisting plate (310), the two first arc-shaped blocks (320) are in mirror symmetry, one end of each of the two first arc-shaped blocks (320) is rotatably connected with a rotating rod (322), both ends of each of the two rotating rods (322) are respectively and fixedly connected with both ends of the resisting plate (310), torsion springs (321) are movably sleeved on the outer cylindrical surfaces of the two rotating rods (322), one end of each of the two torsion springs (321) is fixedly connected to the outer cylindrical surface of the adjacent rotating rod (322), the other end of each of the two torsion springs (321) is fixedly connected to one end of the adjacent first arc-shaped block (320), the center of the outer cylindrical surfaces of each of the two first arc-shaped blocks (320) is rotatably connected with a second arc-shaped block (330), and two second arc pieces (330) one end all rotate and are connected with connecting rod (340), two connecting rod (340) bottom fixedly connected with cup joints ring (350), and cup joints ring (350) and slides with adjacent expansion plate (100) outer wall and cup joints and be located adjacent fixture block (111) below.

4. The plant ceiling construction device according to claim 3, wherein a pedal (360) is fixedly connected to one end of the sleeve ring (350).

5. The factory building ceiling construction device according to claim 4, wherein a circular hole (361) is formed in the center of the top surface of the pedal (360), a pedal rod (900) is arranged between the two circular holes (361) on the two clamping mechanisms (300) in a matched manner, and two ends of the pedal rod (900) are fixedly clamped with the two circular holes (361) respectively.

6. The plant ceiling construction device according to claim 1, wherein the bottom end of the supporting rod (500) is fixedly connected with connecting plates (540) relative to two side walls, and two ends of the two connecting plates (540) are respectively and rotatably connected with the two supporting mechanisms (400);

supporting mechanism (400) include telescopic link (410), telescopic link (410) one end is rotated and is connected with dop (420), and dop (420) and adjacent fixture block (111) fixed joint, the telescopic link (410) other end is rotated with the one end of two adjacent connecting plates (540) and is connected.

7. The factory building ceiling construction device is characterized in that the clamping head (420) comprises an embedding block (421), one end of the embedding block (421) is rotatably connected with one end of the adjacent telescopic rod (410), the other end of the embedding block (421) is fixedly embedded with the adjacent fixture block (111), a U-shaped block (422) is arranged above the top surface of the embedding block (421), and one end of each arm of the U-shaped block (422) penetrates through the bottom surface of the adjacent fixture block (111) and the bottom surface of the embedding block (421).

8. The plant suspended ceiling construction device of claim 6, wherein the two connecting plates (540) adjacent to the bottom end of the supporting rod (500) are provided with sliding grooves (502) on two opposite sides, a U-shaped sliding plate (521) is connected between the two sliding grooves (502) in a sliding manner, the outer side walls of two arms of the U-shaped sliding plate (521) are fixedly connected with a plurality of tooth blocks (522) at equal intervals, the other ends of the two telescopic rods (410) are fixedly connected with meshing gears (430), the outer side walls of two arms of the U-shaped sliding plate (521) are meshed with the gear teeth of the adjacent meshing gear (430) through a plurality of tooth blocks (522), the bottom end of the supporting rod (500) is rotatably connected with a threaded rod (530), one end of the threaded rod (530) penetrates through the center of the outer arc surface of the U-shaped sliding plate (521) and is fixedly connected with a handle (531), the outer cylindrical surface of the threaded rod (530) is screwed with the center of the outer arc surface of the U-shaped sliding plate (521).

9. The factory building suspended ceiling construction device according to claim 1, wherein a rectangular through hole (501) is formed at the top end of the side wall of the supporting rod (500), the supporting mechanism (600) comprises two U-shaped supporting plates (610) with mirror symmetry, two arms of each U-shaped supporting plate (610) are detachably clamped with the adjacent drilling mechanism (700), one end of each drilling mechanism (700) is abutted against one side of the adjacent expansion plate (100), the opposite ends of each U-shaped supporting plate (610) are fixedly connected with rectangular ring blocks (620), one end of each rectangular ring block (620) is located inside the rectangular through hole (501), sliding rods (630) are slidably connected inside the rectangular ring blocks (620), L-shaped rings (640) are arranged at two ends of each sliding rod (630), and two ends of each sliding rod (630) are respectively and slidably connected with the adjacent L-shaped rings (640), four equal fixed connection in the pole (500) lateral wall is moved in the support to L type ring (640) forearm one end, two slide bar (630) both sides all are provided with T type pull rod (650), and the top both sides of two T type pull rods (650) respectively with the tip fixed connection of two slide bars (630), two T type pull rod (650) bottom all is located the top of adjacent sliding groove (502).

10. The factory building suspended ceiling construction device according to claim 9, wherein the drilling mechanism (700) comprises a box body (710), a plurality of screw units (730) for screwing self-tapping screws are fixedly connected to the interior of the box body (710) at equal intervals, the outer annular surfaces of the four screw units (730) of adjacent supporting rods (500) are detachably clamped with the two arms of adjacent U-shaped supporting plates (610), one end of the box body (710) is fixedly connected with a connecting strip (720), and the two ends of the connecting strip (720) are rotatably connected with pulleys (721).

11. The plant ceiling construction device according to claim 10, wherein the screw rotating unit (730) comprises a brushless motor (731), a rotating disc (732) is fixedly connected to a motor end of the brushless motor (731), and a rubber plug (733) for clamping and fixing a self-tapping screw is fixedly connected to the center of the top surface of the rotating disc (732).