Tower crane foundation embedded bolt positioning device
Through the design of positioning support and synchronous lifting mechanism, the problem of loosening of the tower crane foundation embedded bolts during concrete pouring is solved, and efficient and stable positioning of embedded bolts and concrete support is achieved, which improves positioning efficiency and applicability.
Patent Information
- Application Number
- CN202422106590.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-29
- Publication Date
- 2025-08-19
- Estimated Expiration
- 2034-08-29
AI Technical Summary
The existing tower crane foundation embedded bolt positioning device is prone to loosening during concrete pouring, resulting in low positioning efficiency. The existing device requires additional formwork during support, further reducing efficiency.
The positioning support mechanism and the synchronous lifting mechanism are adopted to drive the socket block and the positioning support frame downward through the linkage screw, and the bonding frame supports concrete. The linkage column and the guide ring cooperate to achieve height adjustment of the positioning frame, ensuring the stable positioning of the embedded bolts and concrete support.
It improves the positioning efficiency of embedded bolts, reduces the impact of concrete diffusion, enhances the stability and applicability of positioning, and is suitable for the installation needs of different embedded bolts.
Smart Images

Figure CN223240845U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of embedded bolt positioning, and more specifically, to a tower crane foundation embedded bolt positioning device. Background Art
[0002] The tower crane foundation embedded bolt positioning device is mainly aimed at the problems of large axial size deviation and verticality deviation of the tower crane foundation embedded bolts. This device provides an effective solution. By fixing the position and angle of the bolts, the displacement and deformation of the bolts during the concrete pouring process are reduced, ensuring the quality of the tower crane installation in the later stage. In the existing published literature, the patent announcement number CN216892504U discloses a tower crane quick-release positioning device. The positioning device is located on the upper part of the positioning steel plate through the embedded bolt positioning device, and the embedded bolt positioning device is threadedly connected to the embedded bolt. It is a tower crane quick-release positioning device with low labor intensity for construction workers. However, this technology has the following defects;
[0003] When a positioning device is used to position the embedded bolts of a tower crane foundation, although the bolts can be inserted into the specified position for placement, the precast concrete will spread and loosen around after the bolts are inserted, and a template needs to be installed outside the bolts for support, which greatly reduces the efficiency of positioning the bolts. For this purpose, a positioning device for embedded bolts of a tower crane foundation is provided. Utility Model Content
[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a tower crane foundation embedded bolt positioning device.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a tower crane foundation embedded bolt positioning device, comprising a positioning frame, a sliding frame plate and a linkage screw, the sliding frame plate is fixed to the top of the positioning frame, the linkage screw is rotatably connected to the inner wall of the sliding frame plate, and the outer wall of the linkage screw is provided with a positioning support mechanism; the positioning support mechanism comprises a sleeve block, a positioning support frame, a fitting frame, a positioning support plate, a plurality of bolt positioning holes and a filling hole; the sleeve block is threadedly connected to the outer wall of the linkage screw, and the positioning support frame is fixed to one side of the sleeve block, the fitting frame is welded to the inner wall of the positioning support frame, the positioning support plate is fixed at the bottom end of the sliding frame plate, and the positioning support plate and the fitting frame are slidably connected; a plurality of the bolt positioning holes are opened on the inner wall of the positioning support plate and close to its edge line, and the filling hole is opened on one side of the sliding frame plate.
[0006] Preferably, the sleeve block is slidably connected to the sliding frame plate, and the sleeve block and the sliding frame plate are both made of stainless steel. The outer wall of the positioning support frame is slidably connected to the inner wall of the positioning frame. A gap is provided between the positioning support frame and the sliding frame plate, and a rotating cap is fixedly connected to the top end of the linkage screw, and the cross-sectional shape of the rotating cap is set to be hexagonal.
[0007] When the upper structure is in use, the rotating cap carries the linkage screw and rotates inside the sliding frame plate. The sleeve block slides downward along the inner wall of the sliding frame plate, and the positioning frame drives the fitting frame downward. The positioning frame slides down along the inner wall of the positioning frame. The bottom ends of the fitting frame and the positioning frame contact the surface of the tower crane foundation. Embedded bolts can then be inserted into the multiple bolt positioning holes. By pouring concrete into the filling holes, the fitting frame also provides support for the concrete.
[0008] Preferably, a linkage block is welded on one side of the positioning frame, and a synchronous lifting mechanism is installed at the bottom end of the linkage block; the synchronous lifting mechanism includes an electric cylinder installed at the bottom end of the linkage block, and the bottom end of the positioning frame is fixedly connected to a linkage column near its four corner lines, and a pillar is provided under each of the linkage columns; the bottom end of the pillar is fixedly connected to a reinforcement frame, and a plurality of reinforcement holes are opened on the inner wall of the reinforcement frame, and the plurality of reinforcement holes are arranged in a rectangular and equidistant manner; the outer wall of the linkage column is slidably connected to a guide ring near the top position, and a support rod is welded on the bottom end of the guide ring, and a reinforcement block is fixedly installed on the bottom end of the support rod, and the reinforcement block and the pillar are fixedly connected, a switch is fixedly installed on one side of the electric cylinder, and the electric cylinder is fixedly connected to the reinforcement frame, the center point of the linkage column and the center point of the pillar are on the same vertical line, and a plurality of linkage columns are arranged in a rectangular and equidistant manner.
[0009] According to the upper structure, when the positioning frame needs to be raised, the fixing bolts are inserted into the multiple reinforcement holes inside the reinforcement frame, the electric cylinder pushes the linkage block upward, the linkage block carries the positioning frame upward, and the multiple linkage columns slide up along the inner walls of the multiple guide rings respectively. The reinforcement block supports the support rod, and the multiple linkage columns stably realize the upward operation.
[0010] The technical effects and advantages of this utility model are:
[0011] 1. The utility model adopts a positioning support mechanism. The linkage screw carries the sleeve block and moves downward under the action of the thread transmission force. The positioning support frame drives the fitting frame to move downward. The positioning support frame slides down along the inner wall of the positioning frame. The bottom ends of the fitting frame and the positioning support frame contact the surface of the tower crane foundation. It can simultaneously position multiple embedded bolts and provide external support and reinforcement for the concrete contacted by the embedded bolts, synchronously position the embedded bolts, and greatly improve positioning efficiency.
[0012] 2. The utility model adopts a synchronous lifting mechanism, which inserts fixing bolts into multiple reinforcement holes inside the reinforcement frame, supports multiple pillars through the reinforcement frame, and at the same time supports the electric cylinder. The switch starts the electric cylinder, and the positioning frame drives multiple linkage columns to move up synchronously. The multiple linkage columns slide up along the inner walls of multiple guide rings respectively, and the height of the positioning frame is stably adjusted, so that it is suitable for positioning and installation with different embedded bolts, and has a wider applicability. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 The utility model is a schematic diagram of the overall structure of the tower crane foundation embedded bolt positioning device.
[0014] Figure 2 The utility model is a schematic diagram of the vertical cross-section structure of the embedded bolt positioning device for the tower crane foundation.
[0015] Figure 3 It is a schematic diagram of a partial structure of a vertical section of the connection between the fitting frame and the positioning support frame of the present invention.
[0016] Figure 4 This is a schematic diagram of the partial structure of the connection between the positioning frame and the linkage block of the utility model.
[0017] Figure 5 This is a schematic diagram of the local structure of the connection between the reinforcement block and the pillar of the utility model.
[0018] The accompanying drawings are marked as follows: 1. Positioning frame; 2. Sliding frame plate; 3. Linking screw; 4. Socket block; 5. Positioning support frame; 6. Fitting frame; 7. Positioning support plate; 8. Bolt positioning hole; 9. Filling hole; 10. Turning cap; 11. Linking block; 12. Electric cylinder; 13. Switch; 14. Linking column; 15. Pillar; 16. Reinforcement frame; 17. Guide ring; 18. Support rod; 19. Reinforcement block; 20. Reinforcement hole. DETAILED DESCRIPTION
[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0020] As attached Figure 1-5A tower crane foundation embedded bolt positioning device is shown. The tower crane foundation embedded bolt positioning device is provided with a positioning support mechanism. The setting of the positioning support mechanism can simultaneously position multiple embedded bolts and provide external support and reinforcement for the concrete in contact with the embedded bolts, thereby simultaneously positioning the embedded bolts and greatly improving the positioning efficiency. The specific structural settings of each mechanism and component are as follows.
[0021] When used in this embodiment, as shown in the attached Figure 1-3 As shown, the sliding frame plate 2 is fixed at the top of the positioning frame 1, the linkage screw 3 is rotatably connected to the inner wall of the sliding frame plate 2, and the outer wall of the linkage screw 3 is provided with a positioning support mechanism; the positioning support mechanism includes a socket block 4, a positioning support frame 5, a fitting frame 6, a positioning support plate 7, a plurality of bolt positioning holes 8 and a filling hole 9; the socket block 4 is threadedly connected to the outer wall of the linkage screw 3, and the positioning support frame 5 is fixed to one side of the socket block 4.
[0022] The fitting frame 6 is welded to the inner wall of the positioning support frame 5, the positioning support plate 7 is fixed at the bottom end of the sliding frame plate 2, and the positioning support plate 7 and the fitting frame 6 are slidingly connected; multiple bolt positioning holes 8 are opened on the inner wall of the positioning support plate 7 and close to its edge line, the filling hole 9 is opened on one side of the sliding frame plate 2, the sleeve block 4 and the sliding frame plate 2 are slidingly connected, the sleeve block 4 and the sliding frame plate 2 are both made of stainless steel, the outer wall of the positioning support frame 5 is slidingly connected to the inner wall of the positioning frame 1, and a gap is provided between the positioning support frame 5 and the sliding frame plate 2.
[0023] When used in this embodiment, as shown in the attached Figure 3 As shown, the top end of the linkage screw 3 is fixedly connected with a rotating cap 10, and the cross-sectional shape of the rotating cap 10 is set to be hexagonal, so that by rotating the rotating cap 10, the rotating cap 10 carries the linkage screw 3 to rotate inside the sliding frame plate 2, thereby facilitating the rotation operation of the linkage screw 3 and stably realizing the rotation of the linkage screw 3.
[0024] When the embedded bolt positioning device for the tower crane foundation of this embodiment is in use, after the height adjustment of the positioning frame 1 is completed, the rotating cap 10 is rotated, and the rotating cap 10 carries the linkage screw 3 to rotate inside the sliding frame plate 2. The linkage screw 3 carries the sleeve block 4 downward under the action of the thread transmission force. The sleeve block 4 slides downward along the inner wall of the sliding frame plate 2, and the sleeve block 4 drives the positioning support frame 5 downward. The positioning support frame 5 drives the fitting frame 6 downward. The positioning support frame 5 slides down along the inner wall of the positioning frame 1, and the fitting frame 6 moves down along the outer wall of the positioning support plate 7. In this way, the bottom ends of the fitting frame 6 and the positioning support frame 5 contact the surface of the tower crane foundation. The embedded bolts can then be inserted into the multiple bolt positioning holes 8. By pouring concrete into the pouring holes 9, and the positioning support frame 5 supporting the fitting frame 6, the fitting frame 6 plays a supporting role for the concrete.
[0025] When used in this embodiment, as shown in the attached Figure 4-5As shown, a linkage block 11 is welded to one side of the positioning frame 1, and a synchronous lifting mechanism is installed at the bottom end of the linkage block 11; the synchronous lifting mechanism includes an electric cylinder 12 installed at the bottom end of the linkage block 11, and linkage columns 14 are fixedly connected to the bottom end of the positioning frame 1 and near its four corner lines. A support 15 is provided below each linkage column 14; the bottom end of the support 15 is fixedly connected to a reinforcement frame 16, and the inner wall of the reinforcement frame 16 is provided with a plurality of reinforcement holes 20, and the plurality of reinforcement holes 20 are arranged in a rectangular and equidistant manner;
[0026] A guide ring 17 is slidably connected to the outer wall of the linkage column 14 near its top position, and a support rod 18 is welded to the bottom end of the guide ring 17. A reinforcement block 19 is fixedly installed at the bottom end of the support rod 18, and the reinforcement block 19 is fixedly connected to the pillar 15. A switch 13 is fixedly installed on one side of the electric cylinder 12, and the electric cylinder 12 is fixedly connected to the reinforcement frame 16. The center point of the linkage column 14 and the center point of the pillar 15 are on the same vertical line, and multiple linkage columns 14 are arranged in a rectangular and equidistant manner.
[0027] When the present embodiment is in use, when the positioning frame 1 needs to be raised, the reinforcement frame 16 can be fixed by inserting fixing bolts into the multiple reinforcement holes 20 inside the reinforcement frame 16. After being fixed, the reinforcement frame 16 supports the multiple pillars 15, and the reinforcement frame 16 supports the electric cylinder 12. The switch 13 activates the electric cylinder 12, and the electric cylinder 12 pushes the linkage block 11 upward. The linkage block 11 carries the positioning frame 1 upward, and the positioning frame 1 drives the multiple linkage columns 14 to move upward synchronously. In this way, the multiple linkage columns 14 slide up along the inner walls of the multiple guide rings 17 respectively, support the reinforcement block 19 through the pillar 15, and the reinforcement block 19 supports the support rod 18. The support rod 18 provides support force to the guide ring 17, ensuring that the multiple linkage columns 14 can stably achieve the upward operation and stably adjust the height of the positioning frame 1.
[0028] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A tower crane foundation embedded bolt positioning device, comprising a positioning frame (1), a sliding frame plate (2) and a linkage screw (3), characterized in that: The sliding frame plate (2) is fixed to the top of the positioning frame (1), the linkage screw rod (3) is rotatably connected to the inner wall of the sliding frame plate (2), and the outer wall of the linkage screw rod (3) is provided with a positioning support mechanism; The positioning support mechanism comprises a sleeve block (4), a positioning support frame (5), a fitting frame (6), a positioning support plate (7), a plurality of bolt positioning holes (8) and a filling hole (9); The sleeve block (4) is threadedly connected to the outer wall of the linkage screw (3), and the positioning support frame (5) is fixed to one side of the sleeve block (4). The fitting frame (6) is welded to the inner wall of the positioning support frame (5). The positioning support plate (7) is fixed at the bottom end of the sliding frame plate (2), and the positioning support plate (7) and the fitting frame (6) are slidably connected. The plurality of bolt positioning holes (8) are provided on the inner wall of the positioning support plate (7) and close to its edge line, and the filling hole (9) is provided on one side of the sliding frame plate (2).
2. A tower crane foundation embedded bolt positioning device according to claim 1, characterized in that: The sleeve block (4) is slidably connected to the sliding frame plate (2), and both the sleeve block (4) and the sliding frame plate (2) are made of stainless steel.
3. The tower crane foundation embedded bolt positioning device according to claim 1, characterized in that: The outer wall of the positioning frame (5) is slidably connected to the inner wall of the positioning frame (1), and a gap is provided between the positioning frame (5) and the sliding frame plate (2).
4. The tower crane foundation embedded bolt positioning device according to claim 1, characterized in that: A rotating cap (10) is fixedly connected to the top end of the linkage screw (3), and the cross-sectional shape of the rotating cap (10) is set to be hexagonal.
5. The tower crane foundation embedded bolt positioning device according to claim 1, characterized in that: A linkage block (11) is welded to one side of the positioning frame (1), and a synchronous lifting mechanism is installed at the bottom end of the linkage block (11); The synchronous lifting mechanism includes an electric cylinder (12) installed at the bottom end of the linkage block (11), and linkage columns (14) are fixedly connected to the bottom end of the positioning frame (1) and near the four corner lines thereof, and a support column (15) is provided below each linkage column (14); The bottom end of the support (15) is fixedly connected to a reinforcement frame (16), and the inner wall of the reinforcement frame (16) is provided with a plurality of reinforcement holes (20), and the plurality of reinforcement holes (20) are arranged in a rectangular and equidistant manner; A guide ring (17) is slidably connected to the outer wall of the linkage column (14) near its top end, a support rod (18) is welded to the bottom end of the guide ring (17), a reinforcement block (19) is fixedly installed at the bottom end of the support rod (18), and the reinforcement block (19) is fixedly connected to the pillar (15).
6. The tower crane foundation embedded bolt positioning device according to claim 5, characterized in that: A switch (13) is fixedly mounted on one side of the electric cylinder (12), and the electric cylinder (12) is fixedly connected to the reinforcement frame (16).
7. The tower crane foundation embedded bolt positioning device according to claim 5, characterized in that: The center point of the linkage column (14) and the center point of the support column (15) are located on the same vertical line, and a plurality of linkage columns (14) are arranged in a rectangular and equidistant manner.
Citation Information
Patent Citations
Pre-embedded quick-release positioning device for tower crane foundation
CN216892504U