Node connecting device of concrete precast slab
By designing a node connection device for precast concrete slabs, and utilizing the cooperation of gear and spring components, the problem of unreliable connection of precast slabs was solved, a stable connection was achieved, and the reliability of the connection was improved.
Patent Information
- Application Number
- CN202520233618.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-14
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2035-02-14
AI Technical Summary
The existing precast concrete slabs are prone to unreliable gaps during connection, which affects their performance.
A joint connection device for precast concrete slabs is adopted. By rotating the rotating rod, the precast slabs are connected stably by driving the gears, moving plates and springs. The contraction force of the springs and the insertion of the limiting rods ensure a tight connection between the slabs.
This achieves a stable connection between prefabricated panels, avoids gaps, and improves the reliability and performance of the connection.
Smart Images
Figure CN223593580U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of concrete precast slab, concretely to a node connecting device of concrete precast slab. BACKGROUND
[0002] The precast slab is one of building materials, and the concrete precast slab is mainly composed of concrete and steel bars. The concrete precast slab has excellent performance, good fire resistance and water resistance, and is widely used in building engineering.
[0003] The existing concrete precast slab needs to be placed in close contact with two precast slabs during installation, and then the precast slabs are fixed from the top and bottom. Since there is no part for tightly connecting the precast slabs, the connection between the precast slabs may be unreliable, such as a gap between the two precast slabs, which may affect the use effect of the precast slabs. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a node connecting device of concrete precast slab, which solves the problem of unreliable connection between the precast slabs, such as a gap between the two precast slabs, which may affect the use effect of the precast slabs.
[0005] The node connecting device of concrete precast slab comprises a first precast slab, a second precast slab, a fixed frame fixedly connected to the second precast slab, a plurality of springs fixedly connected to the inner wall of the fixed frame, a connecting plate fixedly connected to the other end of the spring, a plurality of fixed plates fixedly connected to the outer wall of the connecting plate, a plurality of connecting ports formed in the first precast slab, and an insertion slot formed in each connecting port, and a limiting rod movably connected to the insertion slot.
[0006] When the first precast slab and the second precast slab need to be installed, the worker rotates the rotating rod to drive the gear to rotate, the gear drives the gear plate and the moving plate to move, the moving plate drives the connecting plate to move, the connecting plate drives the spring to stretch, the connecting plate drives the fixed plate to move, the fixed plate is inserted into the connecting port of the first precast slab, the limiting rod is vertically inserted into the insertion slot, and then the limiting rod is inserted into the limiting port of the fixed plate. The spring is contracted, the connecting plate and the fixed plate are contracted, and the first precast slab and the second precast slab are stably connected.
[0007] Optionally, the connecting plate is fixedly connected with a moving plate, the moving plate is fixedly connected with a gear plate, the gear plate is engagedly connected with a gear, the gear is fixedly connected with a rotating rod, the outer wall of the connecting plate is fixedly connected with a plurality of sliding blocks, and the sliding blocks are slidingly connected with sliding grooves.
[0008] By adopting the technical scheme, the staff rotates the rotating rod to drive the gear to rotate, the rotating gear drives the gear plate and the moving plate to move, the moving plate drives the connecting plate to move, the connecting plate drives the spring to stretch, and the sliding block ensures stable sliding of the connecting plate.
[0009] Optionally, a plurality of fixing plates are provided with limiting openings, and the limiting openings are movably connected with limiting rods.
[0010] By adopting the technical scheme, the spring tension is used for limiting.
[0011] Optionally, a sliding groove is formed in the fixed frame.
[0012] By adopting the technical scheme, the sliding groove and the sliding block are used for sliding, and the sliding block facilitates movement of the connecting plate.
[0013] Optionally, the limiting rod is provided with a pulling disc.
[0014] By adopting the technical scheme, the user can pull.
[0015] Optionally, the rotating rod is fixedly connected with a rotating disc.
[0016] By adopting the technical scheme, the user can rotate.
[0017] Optionally, a plurality of connecting openings are movably connected with a plurality of fixing plates.
[0018] By adopting the technical scheme, the connecting opening and the fixing plate are connected, and the prefabricated plate connection is ensured.
[0019] Compared with the prior art, the technical scheme has the following beneficial effects:
[0020] When the first prefabricated plate and the second prefabricated plate need to be installed, the staff rotates the rotating rod to drive the gear to rotate, the rotating gear drives the gear plate and the moving plate to move, the moving plate drives the connecting plate to move, the connecting plate drives the spring to stretch, the connecting plate drives the fixing plate to move, the fixing plate is inserted into the connecting opening of the first prefabricated plate, the staff vertically inserts the limiting rod into the insertion slot, and then the limiting rod is inserted into the limiting opening of the fixing plate, the spring is contracted, the spring drives the connecting plate and the fixing plate to contract, the first prefabricated plate and the second prefabricated plate are stably connected, the fixing plate and the limiting rod are tightly connected through the spring contraction force, and the first prefabricated plate and the second prefabricated plate are stably connected. BRIEF DESCRIPTION OF DRAWINGS
[0021] Other features, objects, and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments thereof as read in conjunction with the accompanying drawings:
[0022] Figure 1 It is an overall structure schematic view of the node connecting device of the prefabricated concrete slab of the present application;
[0023] Figure 2 It is a fixed plate structure schematic view of the node connecting device of the prefabricated concrete slab of the present application;
[0024] Figure 3 It is an enlarged schematic view of the connecting port structure of the node connecting device of the prefabricated concrete slab of the present application.
[0025] Figure 4 It is an enlarged schematic view of the spring structure of the node connecting device of the prefabricated concrete slab of the present application;
[0026] Figure 5 It is an enlarged schematic view of the gear plate structure of the node connecting device of the prefabricated concrete slab of the present application;
[0027] Figure 6 It is an enlarged schematic view of the gear structure of the node connecting device of the prefabricated concrete slab of the present application.
[0028] In the figure: 1, first prefabricated slab; 2, second prefabricated slab; 3, fixed frame; 4, limiting rod; 5, rotating rod; 6, fixed plate; 7, sliding block; 8, sliding groove; 9, connecting port; 10, insertion slot; 11, connecting plate; 12, spring; 13, gear plate; 14, gear; 15, moving plate. DETAILED DESCRIPTION
[0029] Please refer to Figures 1-6 The present application provides a technical scheme: a node connecting device of a prefabricated concrete slab, comprising a first prefabricated slab 1 and a second prefabricated slab 2, the second prefabricated slab 2 is fixedly connected with a fixed frame 3, the inner wall of the fixed frame 3 is fixedly connected with a plurality of springs 12, the other end of the spring 12 is fixedly connected with a connecting plate 11, the outer wall of the connecting plate 11 is fixedly connected with a plurality of fixed plates 6, a plurality of connecting ports 9 are formed on the first prefabricated slab 1, an insertion slot 10 is formed on the connecting port 9, and a limiting rod 4 is movably connected to the insertion slot 10.
[0030] In the above technical scheme, when the first prefabricated plate 1 and the second prefabricated plate 2 need to be installed, the worker rotates the rotating rod 5 to drive the gear 14 to rotate, the rotating gear 14 drives the gear plate 13 and the moving plate 15 to move, the moving plate 15 drives the connecting plate 11 to move, the connecting plate 11 drives the spring 12 to stretch, the connecting plate 11 drives the fixed plate 6 to move, the fixed plate 6 is inserted into the connecting port 9 in the first prefabricated plate 1, and at the same time, the worker vertically inserts the limiting rod 4 into the insertion slot 10, and then the limiting rod 4 is inserted into the limiting port on the fixed plate 6, and the spring 12 is contracted, the spring 12 drives the connecting plate 11 and the fixed plate 6 to contract, so that the first prefabricated plate 1 and the second prefabricated plate 2 are stably connected.
[0031] In the technical scheme of the utility model, as Figure 2 With Figure 3 With Figure 5 With Figure 6 As shown in the figure, the connecting plate 11 is fixedly connected with the moving plate 15, the moving plate 15 is fixedly connected with the gear plate 13, the gear plate 13 is meshingly connected with the gear 14, the gear 14 is fixedly connected with the rotating rod 5, a plurality of sliding blocks 7 are fixedly connected to the outer wall of the connecting plate 11, a plurality of sliding grooves 8 are slidingly connected to the sliding blocks 7, the worker rotates the rotating rod 5 to drive the gear 14 to rotate, the rotating gear 14 drives the gear plate 13 and the moving plate 15 to move, the moving plate 15 drives the connecting plate 11 to move, the connecting plate 11 drives the spring 12 to stretch, and the sliding block 7 ensures that the connecting plate 11 stably slides.
[0032] In the technical scheme of the utility model, as Figure 1 With Figure 2 With Figure 3 As shown in the figure, a plurality of fixed plates 6 are provided with limiting ports, the limiting ports are movably connected with the limiting rods 4, and the limiting ports limit the tension of the spring 12.
[0033] In the technical scheme of the utility model, as Figure 2 As shown in the figure, the fixed frame 3 is provided with the sliding groove 8, the sliding groove 8 and the sliding block 7 slide, and the sliding block 7 facilitates the movement of the connecting plate 11.
[0034] In the technical scheme of the utility model, as Figure 3 As shown in the figure, the limiting rod 4 is provided with a pulling disc, which facilitates the pulling of the user.
[0035] In the technical scheme of the utility model, as Figure 6 As shown in the figure, the rotating rod 5 is fixedly connected with a rotating disc, which facilitates the rotation of the user.
[0036] In the technical scheme of the utility model, as Figure 1 With Figure 2 WithFigure 3 As shown, the plurality of sets of connecting ports 9 are movably connected with the plurality of sets of fixing plates 6, and the connecting ports 9 and the fixing plates 6 are connected to ensure the connection of the prefabricated plates.
[0037] In use, when the first prefabricated plate 1 and the second prefabricated plate 2 need to be installed, the worker rotates the rotating rod 5 to drive the gear 14 to rotate, the rotating gear 14 drives the gear plate 13 and the moving plate 15 to move, the moving moving plate 15 drives the connecting plate 11 to move, the moving connecting plate 11 drives the spring 12 to stretch, the moving connecting plate 11 drives the fixing plate 6 to move, the moving fixing plate 6 is inserted into the connecting port 9 of the first prefabricated plate 1, at the same time, the worker vertically inserts the limiting rod 4 into the insertion slot 10, and then the limiting rod 4 is inserted into the limiting port of the fixing plate 6, the stretched spring 12 is contracted, the spring 12 drives the connecting plate 11 and the fixing plate 6 to contract, and the first prefabricated plate 1 and the second prefabricated plate 2 are stably connected.
Claims
1. A joint connection device for precast concrete slabs, comprising a first precast slab (1) and a second precast slab (2), characterized in that: A fixing frame (3) is fixedly connected to the second precast plate (2). Multiple sets of springs (12) are fixedly connected to the inner wall of the fixing frame (3). A connecting plate (11) is fixedly connected to the other end of the spring (12). Multiple sets of fixing plates (6) are fixedly connected to the outer wall of the connecting plate (11). Multiple sets of connecting ports (9) are opened on the first precast plate (1). Insertion slots (10) are opened on the multiple sets of connecting ports (9). Limiting rods (4) are movably connected to the insertion slots (10).
2. The joint connection device for a precast concrete slab according to claim 1, characterized in that, A movable plate (15) is fixedly connected to the connecting plate (11), a gear plate (13) is fixedly connected to the movable plate (15), a gear (14) is meshed with the gear plate (13), a rotating rod (5) is fixedly connected to the gear (14), and multiple sets of sliding blocks (7) are fixedly connected to the outer wall of the connecting plate (11), and sliding grooves (8) are slidably connected to the multiple sets of sliding blocks (7).
3. The joint connection device for a precast concrete slab according to claim 1, characterized in that, Limiting ports are provided on multiple sets of fixed plates (6), and the limiting ports are movably connected to the limiting rods (4).
4. The joint connection device for a precast concrete slab according to claim 1, characterized in that, The fixed frame (3) has a sliding groove (8) inside.
5. The joint connection device for a precast concrete slab according to claim 1, characterized in that, A pull plate is provided on the limiting rod (4).
6. The joint connection device for a precast concrete slab according to claim 2, characterized in that, A rotating disk is fixedly connected to the rotating rod (5).
7. The joint connection device for a precast concrete slab according to claim 1, characterized in that, Multiple sets of connection ports (9) are movably connected to multiple sets of fixing plates (6).