A load-bearing connection structure based on the installation of corrugated steel sheet ceilings

Abstract

The present invention discloses a load-bearing connection structure based on the installation of a steel plate corrugated ceiling, which includes a connecting plate, a longitudinal card slot, a first transverse card slot, a first side fixing hole, a second side fixing hole, a second transverse card slot, and a third side fixing hole; the present invention has a reasonable and simple structure, low production cost, and convenient installation. Here, the upper side of the connecting piece is firmly clamped outside the connection of the square tube by the first side clamping block in the clamping device, and then the black wire keel is inserted into the first transverse card slot and the second transverse card slot. At the same time, the shortening of the electric telescopic rod makes the clamping seat move inward, so that the lower side of the connecting piece can firmly clamp the black wire keel, thus avoiding the trouble and inconvenience brought by the worker manually aligning the black wire keel with the square tube for installation operations, and further ensuring the quality after installation; the four synchronous tightening devices provided in the present invention meet the need for synchronous fixing of eight self-tapping screws together, thus improving the construction efficiency and reducing the labor intensity of the workers.

Description

Technical Field:

[0002] The present invention relates to the technical field of ceiling installation, and particularly relates to a load-bearing connection structure for the installation of a steel corrugated ceiling. Background Art:

[0004] In common engineering projects in current building construction, the indoor ceiling metal plates are mostly aluminum corrugated board ceilings. The installation process of the aluminum corrugated ceiling is as follows: laser level instrument for line laying → installation of galvanized hanging rods and hangers → installation of light steel main keels → installation of light steel secondary keels → installation of special Z-shaped keel hangers → installation of aluminum plates → finished product protection → sub-item acceptance. The disadvantages of the aluminum corrugated ceiling are as follows: it is necessary to install the main keel, secondary keel, Z-shaped keel hanger, etc. for leveling multiple times, which is time-consuming for installation and increases the labor hours. In addition, the price of the aluminum corrugated ceiling is relatively high, which is 25% higher than the overall price of the steel corrugated ceiling. In the installation process of the existing steel corrugated ceiling, the connection between the steel square pipe and the black line keel is relatively troublesome and inconvenient. Therefore, a load-bearing connection structure for the installation of a steel corrugated ceiling is needed to solve the above problems. Summary of the Invention:

[0006] The purpose of the present invention is to provide a load-bearing connection structure for the installation of a steel corrugated ceiling to solve the problem that the connection between the steel square pipe and the black line keel in the installation process of the existing steel corrugated ceiling is relatively troublesome and inconvenient.

[0007] To solve the above problems, the present invention provides a technical solution: a load-bearing connection structure for the installation of a steel corrugated ceiling, including a square pipe, a black line keel, and a connecting piece; the black line keel is located below the square pipe, the black line keel is perpendicular to the square pipe, and the junction of the black line keel and the square pipe is fixedly connected through the connecting piece; the specific structure of the connecting piece includes a connecting plate, a longitudinal card slot, a first transverse card slot, a first side fixing hole, a second side fixing hole, a second transverse card slot, and a third side fixing hole; a longitudinal card slot is provided in the center of the upper side of the connecting plate, and the inner side of the longitudinal card slot matches the outside of the square pipe, and several third side fixing holes are opened on the inner wall of the longitudinal card slot; the first transverse card slot is provided on the lower left side of the connecting plate, and two first side fixing holes are provided on one side of the first transverse card slot; the second transverse card slot is provided on the lower right side of the connecting plate, both the second transverse card slot and the first transverse card slot match the outside of the black line keel, and two second side fixing holes are provided on one side of the second transverse card slot.

[0008] Preferably, the connecting member is fixedly connected to the black wire keel by several self-tapping screws, and the several self-tapping screws are fixedly connected to the black wire keel together through a synchronous installation device; the specific structure of the synchronous installation device includes a clamping device, a clamping device and a synchronous tightening device; clamping devices are fixedly connected to the outer sides of the left and right sides of the clamping device, and synchronous tightening devices are fixedly connected to the outer sides of the front and rear sides of the clamping device.

[0009] Preferably, the specific structure of the clamping device includes a first side clamping block, a guide post, a first guide hole, a second guide hole, a first screw rod, a connecting seat, a rotating head, a first driven gear and a first driving gear; there are two first side clamping blocks, and first guide holes are provided on the upper inner sides of the two first side clamping blocks, and guide posts are fixedly connected to the centers of the first guide holes; the left and right sides of the connecting seat are respectively movably connected inside the corresponding first guide holes, and second guide holes are provided inside the left and right sides of the connecting seat, and the second guide holes respectively match the outer sides of the corresponding guide posts; there are two first screw rods, and the two first screw rods are respectively movably connected to the centers of the corresponding second guide holes, and first driven gears are fixedly connected to the opposite ends of the two first screw rods, and the opposite sides of the two first screw rods are respectively connected to the threaded holes provided in the centers of the corresponding guide posts; the first driving gear is movably connected to the center inside the connecting seat, the first driving gear is connected to the first driven gear, and a rotating head is fixedly connected to the central axis on the upper side of the first driving gear. Preferably, the first guide hole and the second guide hole are both rectangular guide holes. Preferably, the specific structure of the clamping device includes a side seat, a third guide hole, a guide sleeve, a clamping seat and an electric telescopic rod; third guide holes are provided on both sides of the side seat, and electric telescopic rods are fixedly connected to the centers of the third guide holes; the outer side of the guide sleeve is movably connected inside the third guide hole, clamping seats are fixedly connected to the outer sides of the guide sleeve, and the inner sides of the clamping seats are fixedly connected to the end parts of the outer telescopic rods of the corresponding electric telescopic rods, and synchronous tightening devices are fixedly connected to the outer lower sides of the clamping seats.

[0010] Preferably, the specific structure of the synchronous tightening device includes an installation housing, a motor, a second driving gear, a second driven gear, a spline shaft, a pull rod, an electromagnetic lock, a locking groove, a slider, a hook block, a spring, a chute, a tightening hole head, an annular groove, a fourth guide hole, and a spline hole sleeve; a motor is fixedly connected to the inner part of the lower side of the installation housing, and a second driving gear is fixedly connected to the output shaft on the left side of the motor; there are two fourth guide holes, and the two fourth guide holes are respectively arranged in the inner parts of the front and rear sides of the center of the installation housing, and electromagnetic locks are fixedly connected to the upper left sides of the two fourth guide holes; the chute is arranged in the inner part of the upper right side of the installation housing, and the lower side of the chute communicates with the upper right sides of the two fourth guide holes; there are two tightening hole heads, and the two tightening hole heads are respectively movably connected to the right sides inside the corresponding fourth guide holes. The left end parts of the two tightening hole heads are fixedly connected with spline hole sleeves, and locking grooves are formed on the outer circumferential surfaces of the left sides of the spline hole sleeves, and the lower sides of the locking grooves are connected with the lower locking tongues of the corresponding electromagnetic locks. Annular grooves are formed on the outer circumferential surfaces of the two tightening hole heads; there are two spline shafts, and the two spline shafts are respectively movably connected to the central parts on the left sides of the corresponding fourth guide holes. Second driven gears are fixedly connected to the outer parts on the left sides of the two spline shafts, and the second driven gears are respectively connected with the second driving gear. The two spline shafts are respectively connected with the corresponding spline hole sleeves; the slider is horizontally movably connected inside the chute, a pull rod is fixedly connected to the center of the left side of the slider, hook blocks are fixedly connected to the front and rear positions on the lower right side of the slider, and the lower right sides of the hook blocks are connected with the upper sides of the corresponding annular grooves.

[0011] Preferably, a magnet is arranged inside the tightening hole head.

[0012] Preferably, the motor is a reduction motor.

[0013] The beneficial effects of the present invention are as follows: (1) The present invention has a reasonable and simple structure, low production cost, and convenient installation. Here, the upper side of the connecting piece is firmly clamped outside the connection part of the square tube through the first side clamping block in the clamping device, and then the black wire keel is inserted into the first horizontal clamping groove and the second horizontal clamping groove. At the same time, the shortening of the electric telescopic rod makes the clamping seat move inward, so that the lower side of the connecting piece can firmly clamp the black wire keel, thus avoiding the trouble and inconvenience brought by the worker manually aligning the black wire keel with the square tube for installation operation, and further ensuring the quality after installation.

[0014] (2) The four synchronous tightening devices provided in the present invention meet the need for synchronous fixation of eight self-tapping screws together, thereby improving the construction efficiency and reducing the labor intensity of workers. Description of the Drawings:

[0016] Figure 1 It is a structural schematic diagram of the present invention.

[0017] Figure 2 It is a structural schematic diagram of the connecting piece.

[0018] Figure 3 is Figure 2 the expansion schematic diagram of

[0019] Figure 4 is the structural schematic diagram of the synchronous installation device.

[0020] Figure 5 is the structural schematic diagram of the clamping device.

[0021] Figure 6 is the structural schematic diagram of the clamping device.

[0022] Figure 7 is the structural schematic diagram of the synchronous tightening device.

[0023] 1-square pipe; 2-black line keel; 3-connector; 31-connecting plate; 32-longitudinal card slot; 33-transverse card slot one; 34-side fixing hole one; 35-side fixing hole two; 36-transverse card slot two; 37-side fixing hole three; 41-clamping device; 42-clamping device; 43-synchronous tightening device; 411-side clamping block one; 412-guide post; 413-guide hole one; 414-guide hole two; 415-screw one; 416-connecting seat; 417-rotating head; 418-driven gear one; 419-driving gear one; 421-side seat; 422-guide hole three; 423-guide sleeve; 424-clamping seat; 425-electric telescopic rod; 431-installation housing; 432-motor; 433-driving gear two; 434-driven gear two; 435-spline shaft; 436-pull rod; 437-electromagnetic lock; 438-lock groove; 439-slider; 4310-hook block; 4311-spring; 4312-chute; 4313-tightening hole head; 4314-annular groove; 4315-guide hole four; 4316-spline hole sleeve. Specific implementation manner:

[0025] such as Figures 1 to 3As shown in the figure, the following technical solution is adopted in this specific implementation manner: A load-bearing connection structure based on the installation of a steel plate corrugated ceiling, including a square tube 1, a black line keel 2, and a connecting piece 3; the black line keel 2 is located below the square tube 1, the black line keel 2 is perpendicular to the square tube 1, and the junction of the black line keel 2 and the square tube 1 is fixedly connected through the connecting piece 3; the specific structure of the connecting piece 3 includes a connecting plate 31, a longitudinal card slot 32, a first transverse card slot 33, a first side fixing hole 34, a second side fixing hole 35, a second transverse card slot 36, and a third side fixing hole 37; a longitudinal card slot 32 is provided in the center of the upper side of the connecting plate 31, and the inner side of the longitudinal card slot 32 matches the outside of the square tube 1, and several third side fixing holes 37 are provided on the inner wall of the longitudinal card slot 32; the first transverse card slot 33 is provided on the lower left side of the connecting plate 31, and two first side fixing holes 34 are provided on the side of the first transverse card slot 33; the second transverse card slot 36 is provided on the lower right side of the connecting plate 31, both the second transverse card slot 36 and the first transverse card slot 33 match the outside of the black line keel 2, and two second side fixing holes 35 are provided on the side of the second transverse card slot 36.

[0026] As Figure 4 shown, the connecting piece 3 is fixedly connected to the black line keel 2 through several self-tapping screws, and several self-tapping screws are fixedly connected to the black line keel 2 together through a synchronous installation device; the specific structure of the synchronous installation device includes a clamping device 41, a clamping device 42, and a synchronous tightening device 43; clamping devices 42 are fixedly connected to the outer sides of the left and right sides of the clamping device 41, and synchronous tightening devices 43 are fixedly connected to the outer sides of the front and rear sides of the clamping device 42.

[0027] As Figure 5As shown in the figure, the specific structure of the clamping device 41 includes a first side clamping block 411, a guide post 412, a first guide hole 413, a second guide hole 414, a first screw 415, a connecting seat 416, a rotating head 417, a first driven gear 418, and a first driving gear 419. There are two first side clamping blocks 411. The upper sides of the two first side clamping blocks 411 are both provided with first guide holes 413, and guide posts 412 are fixedly connected to the centers of the first guide holes 413. The left and right sides of the connecting seat 416 are respectively movably connected inside the corresponding first guide holes 413. Second guide holes 414 are provided inside the left and right sides of the connecting seat 416, and the second guide holes 414 respectively match the outer parts of the corresponding guide posts 412. There are two first screws 415. The two first screws 415 are respectively movably connected to the centers of the corresponding second guide holes 414. The opposite side ends of the two first screws 415 are both fixedly connected with first driven gears 418. The opposite sides of the two first screws 415 are respectively connected to the threaded holes provided at the centers of the corresponding guide posts 412. The first driving gear 419 is movably connected inside the center of the connecting seat 416. The first driving gear 419 is connected to the first driven gear 418. A rotating head 417 is fixedly connected to the central axis on the upper side of the first driving gear 419. Preferably, both the first guide hole 413 and the second guide hole 414 are rectangular guide holes.

[0028] As Figure 6 shown in the figure, the specific structure of the clamping device 42 includes a side seat 421, a third guide hole 422, a guide sleeve 423, a clamping seat 424, and an electric telescopic rod 425. Third guide holes 422 are provided on both sides of the side seat 421, and electric telescopic rods 425 are fixedly connected to the centers of the third guide holes 422. The outer part of the guide sleeve 423 is movably connected inside the third guide hole 422. Clamping seats 424 are fixedly connected to the outer sides of the guide sleeve 423. The inner sides of the clamping seats 424 are fixedly connected to the outer ends of the telescopic rods on the outer sides of the corresponding electric telescopic rods 425. Synchronous tightening devices 43 are fixedly connected to the outer lower sides of the clamping seats 424.

[0029] As Figure 7As shown in the figure, the specific structure of the synchronous tightening device 43 includes an installation housing 431, a motor 432, a second driving gear 433, a second driven gear 434, a spline shaft 435, a pull rod 436, an electromagnetic lock 437, a locking groove 438, a slider 439, a hook block 4310, a spring 4311, a chute 4312, a tightening hole head 4313, an annular groove 4314, a fourth guide hole 4315 and a spline hole sleeve 4316; a motor 432 is fixedly connected to the inside of the lower side of the installation housing 431, and a second driving gear 433 is fixedly connected to the left output shaft of the motor 432; there are two fourth guide holes 4315, and the two fourth guide holes 4315 are respectively arranged inside the front and rear sides of the center of the installation housing 431, and electromagnetic locks 437 are fixedly connected to the upper left sides of the two fourth guide holes 4315; the chute 4312 is arranged inside the upper right side of the installation housing 431, and the lower side of the chute 4312 is communicated with the upper right sides of the two fourth guide holes 4315; there are two tightening hole heads 4313, and the two tightening hole heads 4313 are respectively movably connected to the right sides inside the corresponding fourth guide holes 4315, and spline hole sleeves 4316 are fixedly connected to the left end parts of the two tightening hole heads 4313, and locking grooves 438 are formed on the outer circumferential surfaces of the left sides of the spline hole sleeves 4316, and the lower sides of the locking grooves 438 are connected to the lower locking tongues of the corresponding electromagnetic locks 437, and annular grooves 4314 are formed on the outer circumferential surfaces of the two tightening hole heads 4313; there are two spline shafts 435, and the two spline shafts 435 are respectively movably connected to the central parts of the left sides of the corresponding fourth guide holes 4315, and second driven gears 434 are fixedly connected to the outer parts of the left sides of the two spline shafts 435, and the second driven gears 434 are respectively connected to the second driving gear 433, and the two spline shafts 435 are respectively connected to the corresponding spline hole sleeves 4316; the slider 439 is horizontally movably connected to the inside of the chute 4312, a pull rod 436 is fixedly connected to the central part of the left side of the slider 439, hook blocks 4310 are fixedly connected to the front and rear positions of the lower right side of the slider 439, and the lower right sides of the hook blocks 4310 are connected to the upper sides of the corresponding annular grooves 4314.

[0030] Among them, a magnet is arranged inside the tightening hole head 4313, so as to be able to attract the self-tapping screw; the motor 432 is a reduction motor.

[0031] The usage state of the present invention is as follows: The present invention has a reasonable and simple structure, low production cost, and is easy to install. When in use, first, the longitudinal card slot 32 on the upper side of the connecting piece 3 is clamped to the external connection of the square pipe 1. Then, the side clamping block one 411 in the clamping device 41 firmly clamps the upper side of the connecting piece 3 to the external connection of the square pipe 1. Then, the black wire keel 2 is inserted into the first transverse card slot 33 and the second transverse card slot 36. At the same time, the shortening of the electric telescopic rod 425 makes the clamping seat 424 move inward, so that the lower side of the connecting piece 3 can firmly clamp the black wire keel 2, avoiding the trouble and inconvenience brought by the worker manually holding the black wire keel 2 and aligning it with the square pipe 1 for installation operation, and thus ensuring the quality after installation. In addition, four synchronous tightening devices 43 are provided, meeting the need for synchronous fixation of eight self-tapping screws together, improving the construction efficiency, and reducing the labor intensity of workers. When specifically fixing, first, the tightening parts of the eight self-tapping screws are respectively placed into the corresponding tightening hole heads 4313. Then, the pull rod 436 is pulled to drive the self-tapping screws to retract into the fourth guide hole 4315. Then, the motor 432 is started to drive the second driving gear 433 to rotate. The rotation of the second driving gear 433 drives the spline shaft 435 to rotate through the second driven gear 434. The rotation of the spline shaft 435 drives the tightening hole head 4313 to rotate through the spline hole sleeve 4316. The rotation of the tightening hole head 4313 drives the self-tapping screws to rotate. Then, the lower locking tongue of the electromagnetic lock 437 retracts to separate from the locking groove 438. Then, under the action of the spring 4311, the rotating self-tapping screws drill into the connecting piece 3 and the black wire keel 2 for fixation, improving the construction efficiency.

[0032] The control mode of the present invention is controlled by manual start or through existing automation technologies. The wiring diagram of the power element and the power supply are common knowledge in the field. And the present invention mainly aims to protect mechanical devices, so the control mode and wiring layout are not explained in detail in the present invention.

[0033] In the description of the invention, it should be understood that the orientation or positional relationship indicated by terms such as "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "center", "both ends", etc. is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be construed as a limitation to the invention.

[0034] In the invention, unless otherwise clearly defined and limited, terms such as "installation", "setting", "connection", "fixation", "swivel connection" and the like shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two components or the interaction relationship between two components. Unless otherwise clearly defined, for those of ordinary skill in the art, the specific meanings of the above terms in the invention can be understood according to specific circumstances.

[0035] The above has shown and described the basic principles, main features and advantages of the invention. Those skilled in the art should understand that the invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the invention. Without departing from the spirit and scope of the invention, the invention will have various changes and improvements, and these changes and improvements all fall within the scope of the invention claimed. The scope of the invention claimed is defined by the appended claims and their equivalents.

Claims

1. A load-bearing connection structure based on the installation of steel plate corrugated ceiling, characterized in that: It comprises a square tube (1), a black line keel (2) and a connecting piece (3); The black line keel (2) is located at the lower side of the square tube (1), the black line keel (2) is perpendicular to the square tube (1), and the intersection of the black line keel (2) and the square tube (1) is fixedly connected via a connecting piece (3); The specific structure of the connecting member (3) comprises a connecting plate (31), a longitudinal slot (32), a first transverse slot (33), a first side fixing hole (34), a second side fixing hole (35), a second transverse slot (36) and a third side fixing hole (37); A longitudinal groove (32) is provided at the center of the upper side of the connecting plate (31), and the inner side of the longitudinal groove (32) matches the outer side of the square tube (1), and a plurality of side fixing holes (37) are provided on the inner wall of the longitudinal groove (32); The transverse clamping groove one (33) is arranged on the lower left side of the connecting plate (31), and two side fixing holes one (34) are arranged on the side surface of the transverse clamping groove one (33); The second transverse card slot (36) is arranged at the lower right side of the connecting plate (31); the second transverse card slot (36) and the first transverse card slot (33) are matched with the outer part of the black line keel (2); and two side fixing holes (35) are arranged on the side of the second transverse card slot (36); The connecting piece (3) is fixedly connected to the black line keel (2) by means of a plurality of self-tapping screws, wherein the plurality of self-tapping screws are fixedly connected to the black line keel (2) by means of a synchronous mounting device; The specific structure of the synchronous installation device comprises a clamping device (41), a clamping device (42) and a synchronous tightening device (43); The left and right exteriors of the clamping device (41) are both fixedly connected to clamping devices (42), and the front and rear exteriors of the clamping device (42) are both fixedly connected to synchronous tightening devices (43); The specific structure of the synchronous tightening device (43) includes a mounting housing (431), a motor (432), a second driving gear (433), a second driven gear (434), a spline shaft (435), a pull rod (436), an electromagnetic lock (437), a lock groove (438), a slider (439), a hook block (4310), a spring (4311), a slide groove (4312), a tightening hole head (4313), an annular groove (4314), a fourth guide hole (4315) and a spline hole sleeve (4316); A motor (432) is fixedly connected to the interior of the lower side of the mounting housing (431), and a second driving gear (433) is fixedly connected to the output shaft on the left side of the motor (432); There are two guide holes four (4315), and the two guide holes four (4315) are respectively arranged inside the front and rear sides of the center of the installation shell (431), and the upper left sides of the two guide holes four (4315) are fixedly connected to an electromagnetic lock (437); The slide groove (4312) is arranged inside the upper right side of the mounting housing (431), and the lower side of the slide groove (4312) is connected to the upper right sides of the two guide holes (4315); There are two tightening hole heads (4313), and the two tightening hole heads (4313) are respectively movably connected to the right side of the corresponding guide hole four (4315), and the left ends of the two tightening hole heads (4313) are fixedly connected to the spline hole sleeves (4316), and the left outer circumferential surface of the spline hole sleeves (4316) is provided with a locking groove (438), and the upper side of the locking groove (438) is connected to the lower side lock tongue of the corresponding electromagnetic lock (437), and the outer circumferential surface of the two tightening hole heads (4313) is provided with an annular groove (4314); There are two spline shafts (435), and the two spline shafts (435) are movably connected to the center of the left side of the corresponding guide hole four (4315), and the left sides of the two spline shafts (435) are fixedly connected to the driven gear two (434), and the driven gear two (434) is connected to the driving gear two (433), and the two spline shafts (435) are connected to the corresponding spline hole sleeves (4316). The slider (439) is laterally movably connected inside the slide groove (4312), a pull rod (436) is fixedly connected to the center of the left side of the slider (439), and hook blocks (4310) are fixedly connected to the front and rear positions of the lower right side of the slider (439), and the lower right side of the hook block (4310) is connected to the upper side of the corresponding annular groove (4314).

2. The load-bearing connection structure based on the installation of the steel plate corrugated ceiling according to claim 1 is characterized in that: The specific structure of the clamping device (41) includes a side clamping block 1 (411), a guide column (412), a guide hole 1 (413), a guide hole 2 (414), a screw rod 1 (415), a connecting seat (416), a rotating head (417), a driven gear 1 (418) and a driving gear 1 (419); There are two side clamping blocks (411), each of which is provided with a guide hole (413) on its inner upper side, and a guide column (412) is fixedly connected to the center of the guide hole (413); The left and right sides of the connection seat (416) are movably connected to the inside of the corresponding guide hole 1 (413), and the left and right sides of the connection seat (416) are each provided with a guide hole 2 (414), and the guide hole 2 (414) is matched with the outside of the corresponding guide column (412) respectively; There are two screw rods 1 (415), and the two screw rods 1 (415) are movably connected to the center of the corresponding guide hole 2 (414), and the opposite ends of the two screw rods 1 (415) are fixedly connected to the driven gear 1 (418), and the opposite sides of the two screw rods 1 (415) are respectively connected to the threaded holes set in the center of the corresponding guide column (412); The driving gear 1 (419) is movably connected to the central interior of the connecting seat (416), the driving gear 1 (419) is connected to the driven gear 1 (418), and a rotating head (417) is fixedly connected to the central axis on the upper side of the driving gear 1 (419).

3. The load-bearing connection structure based on the installation of the steel plate corrugated ceiling according to claim 2 is characterized in that: The guide hole 1 (413) and the guide hole 2 (414) are both rectangular guide holes.

4. The load-bearing connection structure based on the installation of the steel plate corrugated ceiling according to claim 1 is characterized in that: The specific structure of the clamping device (42) includes a side seat (421), a third guide hole (422), a guide sleeve (423), a clamping seat (424) and an electric telescopic rod (425); The two sides of the side seat (421) are provided with guide holes three (422), and the center of the guide holes three (422) is fixedly connected with an electric telescopic rod (425); The guide sleeve (423) is externally movably connected to the inside of the guide hole three (422), the guide sleeve (423) is externally fixedly connected to a clamping seat (424), and the inner side of the clamping seat (424) is fixedly connected to the outer end of the telescopic rod of the corresponding electric telescopic rod (425), and the outer lower side of the clamping seat (424) is fixedly connected to a synchronous tightening device (43).

5. The load-bearing connection structure based on the installation of the steel plate corrugated ceiling according to claim 1 is characterized in that: The tightening eyelet (4313) is provided with a magnet inside.

6. The load-bearing connection structure based on the installation of the steel plate corrugated ceiling according to claim 1 is characterized in that: The motor (432) is a reduction motor.

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