Large-span steel-concrete combined thin-shell roof connecting piece and construction method thereof

Abstract

The invention discloses a large-span steel-concrete combined thin-shell roof connecting piece and a construction method thereof, and belongs to the technical field of steel-concrete combined roof construction.The large-span steel-concrete combined thin-shell roof connecting piece comprises a connecting plate internally provided with a cavity structure, a thin-shell roof body is arranged on the side portion of the connecting plate, and a transmission assembly is arranged in an inner cavity of the connecting plate; the transmission assembly is provided with a first clamping plate located at the side end of the thin-shell roof body and second clamping plates located at the top end and the bottom end of the thin-shell roof body. Through the design of the transmission assembly, it can be ensured that the steel bottom shell and the concrete layer can be tightly attached to each other and bear loads together when stressed, the thin-shell roof, the steel bottom shell and the concrete layer are firmly connected together through the first clamping plate and the second clamping plate, and an overall stress system is formed; therefore, the overall stability and the bearing capacity of the structure are improved, relative sliding or separation between the steel bottom shell and the concrete layer can be effectively prevented, and structural deformation or damage caused by untight connection is avoided.

Description

Technical Field

[0001] This invention belongs to the technical field of steel-concrete composite roof construction, and particularly relates to a connector for a large-span steel-concrete composite thin-shell roof and its construction method. Background Technology

[0002] Large-span steel-concrete composite thin shell is a recent development in concrete thin shell roof structures. It consists of a steel bottom shell and an upper cast-in-place concrete layer. The steel bottom shell is formed by connecting a large number of standardized steel formwork units with connectors.

[0003] Existing thin-shell roof connectors lack clamping functionality and cannot effectively clamp the roof, resulting in insufficient tightness between the steel base shell and the concrete layer. This may lead to a decrease in the overall structural stability and load-bearing capacity. Furthermore, under load, relative sliding or separation may occur between the steel base shell and the concrete layer, leading to a reduction in the overall structural stiffness, increased deformation, and even the risk of localized damage or overall collapse.

[0004] Therefore, proposing a large-span steel-concrete composite thin-shell roof connector that can effectively clamp the roof and improve its overall stability and load-bearing capacity has become an urgent problem to be solved. Summary of the Invention

[0005] The technical problem to be solved by the present invention is to provide a large-span steel-concrete composite thin-shell roof connector and its construction method to solve the problems mentioned in the background art or achieve better technical effects.

[0006] To solve the above-mentioned technical problems, the inventors derived the technical solution of this invention through practice and summarization. This invention discloses a large-span steel-concrete composite thin-shell roof connector, including a connecting plate with an internal cavity structure. A thin-shell roof body is provided on the side of the connecting plate. A transmission assembly is provided in the inner cavity of the connecting plate. The transmission assembly includes a bidirectional threaded rod, a clamping plate and a clamping plate connected to the bidirectional threaded rod. The clamping plate is located at the side end of the thin-shell roof body, and the clamping plate is located at the top and bottom ends of the thin-shell roof body.

[0007] Furthermore, two slots are provided at the top and bottom of the thin-shell roof body, and two sliding grooves are provided at both ends of the front and rear sides of the connecting plate. A second sliding groove is also provided through the inner wall of the first sliding groove and the internal cavity of the connecting plate.

[0008] Furthermore, the inner wall of the connecting plate has a limiting groove 1 on both sides, and a limiting groove 1 is provided on both the front and back of one side wall of the connecting plate. The top and bottom of the inner cavity of the connecting plate have two limiting grooves 2. A connecting block 1 is fixedly installed at both ends of the top of the inner cavity of the connecting plate, and a connecting block 2 is fixedly installed at both ends of the bottom of the inner cavity of the connecting plate.

[0009] Furthermore, the transmission assembly also includes a rotating rod, which is disposed in the inner cavity of the connecting plate. A knob is fixedly installed at the bottom of the rotating rod, a worm gear is fixedly installed on the surface of the rotating rod, a worm wheel is meshed on the surface of the worm gear, and a bidirectional threaded rod is fixedly installed at both ends of the worm wheel. A clamping plate is threadedly connected to both ends of the surface of the bidirectional threaded rod.

[0010] Furthermore, a bearing is rotatably connected to the top of the rotating rod, and the bearing is fixedly connected to the top of the inner cavity of the connecting plate. Both ends of the bidirectional threaded rod are rotatably connected to bearings, and the two bearings are fixedly connected to both sides of the inner cavity of the connecting plate.

[0011] Furthermore, bevel gear 1 is fixedly installed at both ends of the surface of the bidirectional threaded rod 1, bevel gear 2 meshes with the bottom of bevel gear 1, rotating rod 2 is fixedly installed in the inner cavity of bevel gear 2, bevel gear 3 is fixedly installed at the bottom of rotating rod 2, bevel gear 4 meshes with the surface of bevel gear 3, rotating rod 3 is fixedly installed in the inner cavity of bevel gear 4, worm gear 2 is fixedly installed at both ends of the surface of rotating rod 3, worm wheel 2 meshes with the surface of worm gear 2, bidirectional threaded rod 2 is fixedly installed in the inner cavity of worm wheel 2, clamping plate 2 is threadedly connected to both ends of the surface of bidirectional threaded rod 2, and clamping block is fixedly installed on the opposite side of the two clamping plates 2.

[0012] Furthermore, the top and bottom of the bidirectional threaded rod are rotatably connected to bearings, and the two bearings are respectively fixedly installed at the top and bottom of the inner cavity of the connecting plate.

[0013] Furthermore, a limiting block is fixedly installed at both the top and bottom of the clamping plate, the clamping plate is slidably connected in the inner cavity of the slide groove, and the limiting block is slidably connected in the inner cavity of the limiting groove.

[0014] Furthermore, limit blocks are fixedly installed on both sides of the clamping plate two, the clamping plate two is slidably connected to the inner cavity of the slide groove two, and the limit blocks two are slidably connected to the inner cavity of the limit groove one.

[0015] Furthermore, the construction method for any of the above-mentioned large-span steel-concrete composite thin-shell roof connectors is as follows:

[0016] During construction, when the thin-shell roof needs to be connected, the thin-shell roof body is placed on both sides of the connecting plate. By turning the knob, the knob turns the rotating rod, which in turn turns the worm gear, which in turn turns the worm wheel, which in turn turns the double-threaded rod, which in turn moves the two clamping plates relative to each other. The movement of the clamping plates clamps and fixes the two sides of the thin-shell roof body.

[0017] The rotation of the bidirectional threaded rod one also drives the rotation of bevel gear one, which in turn drives the rotation of bevel gear two, which in turn drives the rotation of rotating rod two, which in turn drives the rotation of bevel gear three, which in turn drives the rotation of bevel gear four, which in turn drives the rotation of rotating rod three, which in turn drives the rotation of worm gear two, which in turn drives the rotation of worm wheel two, which in turn drives the bidirectional threaded rod two, which in turn drives the two clamping plates two to move relative to each other. The movement of clamping plates two drives the movement of clamping blocks, which enter the slots. The movement of clamping plates two and clamping blocks clamps the top and bottom of the thin-shell roof body.

[0018] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0019] When connecting thin-shell roofs, this invention, through the design of the transmission components, ensures that the steel base shell and the concrete layer can fit tightly together under stress and share the load. The thin-shell roof, steel base shell, and concrete layer are firmly connected together by clamping plates one and two, forming an integrated load-bearing system. This improves the overall stability and load-bearing capacity of the structure and effectively prevents relative sliding or separation between the steel base shell and the concrete layer, avoiding structural deformation or damage caused by loose connections. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of the large-span steel-concrete composite thin-shell roof connector of the present invention;

[0021] Figure 2 This is a front sectional view of the connecting plate of the large-span steel-concrete composite thin-shell roof connector of the present invention.

[0022] Figure 3 This is a front view schematic diagram of the thin-shell roof body of the large-span steel-concrete composite thin-shell roof connector of the present invention.

[0023] Figure 4 This is a front sectional view of the clamping plate of the large-span steel-concrete composite thin-shell roof connector of the present invention.

[0024] Figure 5 This is a bottom view schematic diagram of the structure of the large-span steel-concrete composite thin-shell roof connector of the present invention;

[0025] Figure 6 This is a rear sectional view of the structural components of the large-span steel-concrete composite thin-shell roof connector of the present invention.

[0026] Figure 7 This is a partial enlarged schematic diagram (A) of the large-span steel-concrete composite thin-shell roof connector of the present invention;

[0027] Figure 8This is a schematic diagram of the transmission component of the large-span steel-concrete composite thin-shell roof connector of the present invention;

[0028] Figure 9 This is a partial enlarged schematic diagram (B) of the large-span steel-concrete composite thin-shell roof connector of the present invention.

[0029] 1. Connecting plate;

[0030] 2. Thin-shell roof body;

[0031] 3. Holes and grooves;

[0032] 4. Slide 1;

[0033] 5. Slide 2;

[0034] 6. Transmission Components; 601. Rotating Rod 1; 602. Knob; 603. Worm Gear 1; 604. Worm Wheel 1; 605. Double-Sided Threaded Rod 1; 606. Clamping Plate 1; 607. Limiting Block 1; 608. Bevel Gear 1; 609. Bevel Gear 2; 610. Rotating Rod 2; 611. Bevel Gear 3; 612. Bevel Gear 4; 613. Rotating Rod 3; 614. Worm Gear 2; 615. Worm Wheel 2; 616. Double-Sided Threaded Rod 2; 617. Clamping Plate 2; 618. Clamping Block; 619. Limiting Block 2; 620. Bearing 1; 621. Bearing 2; 622. Bearing 3;

[0035] 7. Limiting groove one;

[0036] 8. Limiting groove two;

[0037] 9. Connecting block one;

[0038] 10. Connecting Block Two. Detailed Implementation

[0039] To make the above-mentioned objectives, features and advantages of the present invention more apparent and understandable, the specific embodiments of the present invention will be described in detail below with reference to specific examples.

[0040] Unless otherwise specified, the raw materials or reagents used in the following examples and comparative examples are commercially available products or products prepared using conventional techniques.

[0041] Example 1

[0042] Please refer to Figures 1-9 A large-span steel-concrete composite thin-shell roof connector includes a connecting plate 1 with an internal cavity, thin-shell roof bodies 2 on both the left and right sides of the connecting plate 1, two slots 3 on the top and bottom of the thin-shell roof bodies 2, and two sliding grooves 4 on both the front and rear ends of the connecting plate 1, with a second sliding groove 5 penetrating between the inner wall of the sliding groove 4 and the internal cavity of the connecting plate 1.

[0043] A transmission component 6 is provided in the inner cavity of the middle part of the connecting plate 1. Limiting grooves 7 are also provided on both sides of the inner cavity of the middle part of the connecting plate 1. Two limiting grooves 8 are provided at the top and bottom of the inner cavity of the connecting plate 1. Connecting blocks 9 are fixedly installed at both ends of the top of the inner cavity of the connecting plate 1. Connecting blocks 10 are fixedly installed at both ends of the bottom of the inner cavity of the connecting plate 1.

[0044] The transmission assembly 6 includes a bidirectional threaded rod 605, with bevel gears 608 fixedly mounted at both ends of the surface of the bidirectional threaded rod 605. A second bevel gear 609 meshes with the bottom of the first bevel gear 608. A second rotating rod 610 is fixedly mounted inside the cavity of the second bevel gear 609. The surface of the second rotating rod 610 is rotatably connected to the cavity of the connecting block 9. A third bevel gear 611 is fixedly mounted at the bottom of the second rotating rod 610. The bottom of the second rotating rod 610 is movably connected to the top of the connecting block 10. A bevel gear 612 meshes with the surface of the connecting plate 1. A rotating rod 613 is fixedly installed inside the cavity of the bevel gear 612. Worms 614 are fixedly installed at both ends of the rotating rod 613. A worm wheel 615 meshes with the surface of the worm wheel 614. A double-threaded rod 616 is fixedly installed inside the cavity of the worm wheel 615. Clamping plates 617 are threadedly connected to both ends of the double-threaded rod 616. Clamping blocks 618 are fixedly installed on opposite sides of the two clamping plates 617. Bearings 621 are rotatably connected to the top and bottom of the double-threaded rod 616. The two bearings 621 are fixedly installed at the top and bottom of the cavity of the connecting plate 1, respectively. Limiting blocks 619 are fixedly installed on both sides of the clamping plates 617. The clamping plates 617 are slidably connected to the cavity of the slide groove 5, and the limiting blocks 619 are slidably connected to the cavity of the limiting groove 7.

[0045] During implementation, when the thin-shell roof needs to be connected, the rotation of the bidirectional threaded rod 605 drives the rotation of bevel gear 608, which in turn drives the rotation of bevel gear 609. The rotation of bevel gear 609 drives the rotation of rotating rod 610, which in turn drives the rotation of bevel gear 611. The rotation of bevel gear 611 drives the rotation of bevel gear 612, which in turn drives the rotation of rotating rod 613. The rotation of rotating rod 613 drives the rotation of worm gear 614, which in turn drives the worm wheel. The rotation of the worm gear 615 drives the rotation of the double-threaded rod 616. The rotation of the double-threaded rod 616 drives the two clamping plates 617 to move relative to each other. The movement of the clamping plates 617 drives the clamping block 618 to move. The clamping block 618 enters the slot 3. The movement of the clamping plates 617 and the clamping block 618 clamps the top and bottom of the thin-shell roof body 2, thereby facilitating the firm connection of the thin-shell roof, steel bottom shell and concrete layer together to form an integral load-bearing system, thereby improving the overall stability and load-bearing capacity of the structure.

[0046] Example 2

[0047] The transmission assembly 6 of the aforementioned large-span steel-concrete composite thin-shell roof connector also includes a rotating rod 601. The rotating rod 601 is disposed in the inner cavity of the connecting plate 1. A knob 602 is fixedly installed at the bottom of the rotating rod 601. A worm gear 603 is fixedly installed on the surface of the rotating rod 601. A worm wheel 604 meshes with the surface of the worm gear 603. Two-way threaded rods 605 are fixedly installed at both ends of the worm wheel 604. Clamping plates 606 are threadedly connected to both ends of the surface of the two-way threaded rod 605.

[0048] A bearing 620 is rotatably connected to the top of the rotating rod 601. The bearing 620 is fixedly connected to the top of the inner cavity of the connecting plate 1. Both ends of the bidirectional threaded rod 605 are rotatably connected to bearings 622, which are fixedly connected to both sides of the inner cavity of the connecting plate 1. Limiting blocks 607 are fixedly installed at the top and bottom of the clamping plate 606. The clamping plate 606 is slidably connected to the inner cavity of the slide groove 4, and the limiting block 607 is slidably connected to the inner cavity of the limiting groove 8.

[0049] During implementation, when connecting the thin-shell roof, the thin-shell roof body 2 is placed on both sides of the connecting plate 1. By rotating the knob 602, the rotation of the knob 602 drives the rotating rod 601 to rotate, which in turn drives the worm gear 603 to rotate. The worm gear 603 then drives the worm wheel 604 to rotate, which in turn drives the bidirectional threaded rod 605 to rotate. The bidirectional threaded rod 605 then drives the two clamping plates 606 to move relative to each other. The clamping plates 606 move to clamp and fix the two sides of the thin-shell roof body 2, thus facilitating the firm connection of the thin-shell roof, steel base shell, and concrete layer together to form an integrated load-bearing system, thereby improving the overall stability and load-bearing capacity of the structure.

[0050] Example 3

[0051] The construction method of the large-span steel-concrete composite thin-shell roof connector of the present invention is as follows:

[0052] When connecting the thin-shell roof, the thin-shell roof body 2 is first placed on both sides of the connecting plate 1. By rotating the knob 602, the rotating rod 601 is rotated. The rotation of the rotating rod 601 will drive the worm gear 603 on the rotating rod 601 to rotate. The rotating worm gear 603 transmits power to the threaded worm wheel 604, which in turn drives the worm wheel 604 to rotate. The rotation of the worm wheel 604 will drive the bidirectional threaded rod 605 to rotate. The rotation of the bidirectional threaded rod 605 will drive the two clamping plates 606 to move relative to each other. The clamping plates 606 move to clamp and fix the two sides of the thin-shell roof body 2, thereby facilitating the firm connection of the thin-shell roof, steel base shell and concrete layer together to form an integral load-bearing system, thereby improving the overall stability and load-bearing capacity of the structure.

[0053] The rotation of the double-threaded rod 605 drives the rotation of bevel gear 608, which in turn drives the rotation of bevel gear 609. The rotation of bevel gear 609 drives the rotation of rotating rod 610, which in turn drives the rotation of bevel gear 611. The rotation of bevel gear 611 drives the rotation of bevel gear 612, which in turn drives the rotation of rotating rod 613. The rotation of rotating rod 613 then drives the rotation of worm gear 614, which in turn drives the rotation of worm wheel 615. The rotation of 15 drives the rotation of the double-threaded rod 616, which in turn drives the two clamping plates 617 to move relative to each other. The movement of the clamping plates 617 drives the clamping block 618 to move, and the clamping block 618 enters the slot 3. The movement of the clamping plates 617 and the clamping block 618 clamps the top and bottom of the thin-shell roof body 2, thereby facilitating the firm connection of the thin-shell roof, steel bottom shell and concrete layer together to form an integral load-bearing system, which further improves the overall stability and load-bearing capacity of the structure.

Claims

1. A connector for a large-span steel-concrete composite thin-shell roof, characterized in that, The system includes a connecting plate (1) with an internal cavity structure. A thin-shell roof body (2) is provided on the side of the connecting plate (1). A transmission assembly (6) is provided in the inner cavity of the connecting plate (1). The transmission assembly (6) includes a bidirectional threaded rod (605), a clamping plate (606) and a clamping plate (617) that are connected to the bidirectional threaded rod (605) in a transmission manner. The clamping plate (606) is located at the side end of the thin-shell roof body (2), and the clamping plate (617) is located at the top and bottom ends of the thin-shell roof body (2).

2. The large-span steel-concrete composite thin-shell roof connector according to claim 1, characterized in that, The top and bottom of the thin-shell roof body (2) are provided with two slots (3), and the front and rear ends of the connecting plate (1) are provided with two sliding grooves (4). The inner wall of the sliding groove (4) and the inner cavity of the connecting plate (1) are also provided with a sliding groove (5).

3. The large-span steel-concrete composite thin-shell roof connector according to claim 1, characterized in that, Limiting groove 1 (7) is provided on both sides of the inner cavity of the connecting plate (1). Limiting groove 1 (7) is provided on both the front and back of one side wall of the connecting plate (1). Two limiting grooves 2 (8) are provided on the top and bottom of the inner cavity of the connecting plate (1). Connecting block 1 (9) is fixedly installed at both ends of the top of the inner cavity of the connecting plate (1). Connecting block 2 (10) is fixedly installed at both ends of the bottom of the inner cavity of the connecting plate (1).

4. The large-span steel-concrete composite thin-shell roof connector according to claim 1, characterized in that, The transmission assembly (6) further includes a rotating rod (601), which is disposed in the inner cavity of the connecting plate (1). A knob (602) is fixedly installed at the bottom of the rotating rod (601). A worm gear (603) is fixedly installed on the surface of the rotating rod (601). A worm wheel (604) meshes with the surface of the worm gear (603). A bidirectional threaded rod (605) is fixedly installed at both ends of the worm wheel (604). A clamping plate (606) is threadedly connected to both ends of the surface of the bidirectional threaded rod (605).

5. The large-span steel-concrete composite thin-shell roof connector according to claim 1, characterized in that, The top of the rotating rod (601) is rotatably connected to a bearing (620), which is fixedly connected to the top of the inner cavity of the connecting plate (1). Both ends of the bidirectional threaded rod (605) are rotatably connected to bearings (622), and the two bearings (622) are fixedly connected to both sides of the inner cavity of the connecting plate (1).

6. The large-span steel-concrete composite thin-shell roof connector according to claim 1, characterized in that, Both ends of the surface of the bidirectional threaded rod (605) are fixedly mounted with bevel gears (608). The bottom of the bevel gears (608) is meshed with bevel gears (609). The inner cavity of the bevel gears (609) is fixedly mounted with rotating rods (610). The bottom of the rotating rods (610) is fixedly mounted with bevel gears (611). The surface of the bevel gears (611) is meshed with bevel gears (612). The inner cavity of the bevel gears (612) is fixedly mounted with... A rotating rod three (613) is provided, and a worm gear two (614) is fixedly installed at both ends of the surface of the rotating rod three (613). A worm wheel two (615) meshes with the surface of the worm gear two (614). A bidirectional threaded rod two (616) is fixedly installed in the inner cavity of the worm wheel two (615). A clamping plate two (617) is threadedly connected to both ends of the surface of the bidirectional threaded rod two (616). A clamping block (618) is fixedly installed on the opposite side of the two clamping plates two (617).

7. The large-span steel-concrete composite thin-shell roof connector according to claim 6, characterized in that, The top and bottom of the bidirectional threaded rod (616) are rotatably connected to bearings (621), and the two bearings (621) are respectively fixedly installed at the top and bottom of the inner cavity of the connecting plate (1).

8. The large-span steel-concrete composite thin-shell roof connector according to claim 1, characterized in that, Limiting blocks (607) are fixedly installed at the top and bottom of the clamping plate (606). The clamping plate (606) is slidably connected in the inner cavity of the slide groove (4). The limiting block (607) is slidably connected in the inner cavity of the limiting groove (8).

9. The large-span steel-concrete composite thin-shell roof connector according to claim 6, characterized in that, Limiting blocks (619) are fixedly installed on both sides of the clamping plate (617). The clamping plate (617) is slidably connected to the inner cavity of the slide groove (5), and the limiting blocks (619) are slidably connected to the inner cavity of the limiting groove (7).

10. The construction method of the large-span steel-concrete composite thin-shell roof connector according to any one of claims 1 to 9 is as follows: During construction, when it is necessary to connect the thin-shell roof, place the thin-shell roof body (2) on both sides of the connecting plate (1). By rotating the knob (602), the knob (602) rotates and drives the rotating rod (601) to rotate. The knob (602) rotates and drives the worm gear (603) to rotate. The worm gear (603) rotates and drives the worm wheel (604) to rotate. The worm wheel (604) rotates and drives the double-threaded rod (605) to rotate. The double-threaded rod (605) rotates and drives the two clamping plates (606) to move relative to each other. The clamping plates (606) move to clamp and fix the two sides of the thin-shell roof body (2). The rotation of the double-threaded rod one (605) also drives the rotation of bevel gear one (608), the rotation of bevel gear one (608) drives the rotation of bevel gear two (609), the rotation of bevel gear two (609) drives the rotation of rotating rod two (610), the rotation of rotating rod two (610) drives the rotation of bevel gear three (611), the rotation of bevel gear three (611) drives the rotation of bevel gear four (612), the rotation of bevel gear four (612) drives the rotation of rotating rod three (613), and the rotation of rotating rod three (613) drives the worm gear two. (614) rotates, the second worm gear (614) rotates and drives the second worm wheel (615) to rotate, the second worm wheel (615) rotates and drives the second bidirectional threaded rod (616) to rotate, the second bidirectional threaded rod (616) rotates and drives the two clamping plates (617) to move relative to each other, the movement of the clamping plates (617) drives the clamping block (618) to move, the clamping block (618) enters the slot (3), the movement of the clamping plates (617) and the clamping block (618) clamps the top and bottom of the thin-shell roof body (2).

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