A tower crane pin shaft hydraulic jacking device

Abstract

This invention relates to the field of tower crane pin technology, specifically a tower crane pin hydraulic jacking device, comprising: an extension rod provided on the surface of a C-shaped plate; a cylinder fixed on the surface of the C-shaped plate; a piston rod provided at the end of the cylinder; a magnet provided at the end of the piston rod; a support plate provided at one end of the piston rod; a second through groove and a first through groove opened on the surface of the support plate; a vertical plate fixed at the bottom of the magnet; an arc-shaped rod fixed at the bottom of the vertical plate; a telescopic plate fixed at the end of the arc-shaped rod; and a force-applying plate fixed on the surface of the telescopic plate. The beneficial effect is that the force-applying plate on the surface of the telescopic plate moves with the telescopic plate, and the force-applying plate presses against the end of the clamping plate, causing the clamping plate to extend from the top holding plate, so that the two sets of clamping plates clamp the surface of the crossbeam, stabilizing the position of the C-shaped plate; the piston rod moves, pressing the pin into the insertion hole, and fixing the first connecting frame and the second connecting frame.

Description

Technical Field

[0001] This invention relates to the field of tower crane pin technology, specifically a tower crane pin hydraulic jacking device. Background Technology

[0002] Tower cranes, also known as tower hoists, originated in Western Europe. They are rotating cranes with a jib mounted on the upper part of a tall tower. They offer a large working space and are mainly used for the vertical and horizontal transport of materials and the installation of building components in construction. They consist of three main parts: a metal structure, a working mechanism, and an electrical system.

[0003] In the prior art, the support frame of the tower crane is formed by stacking and fixing multiple sets of components, and each set of components is fixed by inserting pins.

[0004] However, the existing method of manually hammering tower crane pins into the docking holes is inefficient, and the stability of the connection cannot be guaranteed by manual hammering, which may lead to instability after the tower crane is docked. Summary of the Invention

[0005] The purpose of this invention is to provide a hydraulic jacking device for tower crane pins to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a hydraulic jacking device for tower crane pins, comprising:

[0007] An extension rod is provided on the surface of the C-shaped plate, a cylinder is fixed on the surface of the C-shaped plate, a piston rod is provided at the end of the cylinder, a magnet is provided at the end of the piston rod, a support plate is provided at one end of the piston rod, a second through groove and a first through groove are provided on the surface of the support plate, a vertical plate is fixed at the bottom of the magnet, an arc rod is fixed at the bottom of the vertical plate, a telescopic plate is fixed at the end of the arc rod, and a force-applying plate is fixed on the surface of the telescopic plate.

[0008] Preferably, a crossbeam is placed inside the C-shaped plate, a support rod is fixed to the end of the crossbeam, a second connecting frame is fixed to the top of the support rod, a top plate is placed at the bottom of the support rod, a first connecting frame is fixed to the bottom of the top plate, the second connecting frame can be inserted into the interior of the first connecting frame, and pins can be inserted into the surfaces of the first and second connecting frames.

[0009] Preferably, an extension rod is fixed to the surface of the C-shaped plate, a screw is screwed to the end of the extension rod, and a top holding block is fixed to the other end of the screw. The C-shaped plate is located outside the crossbeam, the top holding block abuts against the surface of the support rod, a fixing block is fixed to the surface of the C-shaped plate, and a cylinder is fixed to the surface of the fixing block. The end of the cylinder is a piston rod, which can drive the piston rod to move. The magnet moves with the piston rod, the limiting rod moves with the magnet, the vertical plate moves with the magnet, and the arc-shaped rod moves with the vertical plate.

[0010] Preferably, the support plate is located at the end of the piston rod, a pin is placed inside the support plate, a spring is provided in the second through groove, one end of the spring is connected to the inner wall of the second through groove, and the other end is connected to the surface of the limiting rod. The limiting rod is inserted into the second through groove and can move in the second through groove. The vertical plate is inserted into the first through groove and can move in the first through groove. A rubber strip is fixed at the end of the support plate and holds the surface of the support rod. The end of the pin can be attracted to the surface of the magnet and moves with the magnet, inserting into the interior of the first connecting frame and the second connecting frame.

[0011] Preferably, the surface of the C-shaped plate is provided with insertion holes, and multiple sets of insertion holes are provided. A top support plate is provided inside the C-shaped plate, and an insertion plate is fixed on the surface of the top support plate. The insertion plate can be inserted into the insertion holes. A screw plate is fixed on the surface of the C-shaped plate, and a screw hole is provided on the surface of the screw plate. The screw plate and the insertion plate are fixed together by inserting a screw into the screw hole on the surface of the screw plate and the screw hole on the surface of the insertion plate.

[0012] Preferably, the top holding plate is provided in two sets, which are located on both sides inside the C-shaped plate. When the C-shaped plate is located outside the crossbeam, the top holding plate is in contact with the surface of the crossbeam. The C-shaped plate is stabilized outside the crossbeam by being clamped to the surface of the crossbeam by the two sets of top holding plates.

[0013] Preferably, the surface of the top holding plate is provided with a sliding groove, a telescopic plate is inserted into the sliding groove, the telescopic plate can move in the sliding groove, a force-applying plate is fixed on the surface of the telescopic plate, the thickness of the force-applying plate is greater than the thickness of other parts of the telescopic plate, a clamping plate is inserted into the surface of the top holding plate, the clamping plate can extend from the inside of the top holding plate, and the end of the clamping plate is located in the sliding groove.

[0014] Preferably, when the force-applying plate moves with the telescopic plate, the force-applying plate abuts against the end of the clamping plate, so that the clamping plate extends out from the top holding plate. The clamping plate is located on the side of the top holding plate that is close to the crossbeam. After the clamping plate extends out from the top holding plate, it abuts against the surface of the crossbeam.

[0015] Preferably, when the piston rod moves to support the pin, the end of the support plate abuts against the surface of the support rod, the support plate remains stationary, and the limiting rod moves with the piston rod, causing the spring to be compressed, and the limiting rod plays a limiting role.

[0016] Preferably, the surfaces of the first connecting frame and the second connecting frame are provided with pin holes, and the pins can be inserted into the pin holes on the surfaces of the first connecting frame and the second connecting frame.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] The present invention proposes a cylinder-driven piston rod that moves, which in turn moves a magnet. One end of a pin is attracted to the surface of the magnet, and the pin moves with the piston rod, causing it to move on the surface of the support plate. A limiting rod moves in the second through groove, and a vertical plate moves in the first through groove. The vertical plate moves an arc-shaped rod, which in turn moves a telescopic plate in a sliding groove. A force-applying plate on the surface of the telescopic plate moves with the telescopic plate and presses against the end of the clamping plate, causing the clamping plate to extend from the top plate. This allows the two sets of clamping plates to clamp the surface of the crossbeam, stabilizing the position of the U-shaped plate. The piston rod then moves, pressing the pin into the insertion hole, thus fixing the first connecting frame and the second connecting frame. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of the present invention.

[0020] Figure 2 This is a schematic diagram of the beam structure of the present invention.

[0021] Figure 3 This is a schematic diagram of the crossbeam structure from another perspective of the present invention.

[0022] Figure 4 This is a schematic diagram of the C-shaped plate structure of the present invention.

[0023] Figure 5 This is a schematic diagram of the C-shaped plate of the present invention from another perspective.

[0024] Figure 6 This is a schematic diagram of the support plate structure of the present invention.

[0025] Figure 7 for Figure 4 Enlarged schematic diagram of the structure at point A in the middle.

[0026] Figure 8 This is a schematic diagram of the cross-sectional structure of the top support plate of the present invention.

[0027] In the diagram: Top plate 1, First connecting frame 2, Second connecting frame 3, Support rod 4, Crossbeam 5, Top holding block 6, Screw 7, Extension rod 8, Fixing block 9, Cylinder 10, Arc rod 11, C-shaped plate 12, Piston rod 13, Magnet 14, Spring 15, First through groove 16, Support plate 17, Limiting rod 18, Vertical plate 19, Second through groove 20, Rubber strip 21, Insertion hole 22, Screw plate 23, Insertion plate 24, Top holding plate 25, Telescopic plate 26, Clamping plate 27, Force application plate 28, Slide groove 29. Detailed Implementation

[0028] To make the objectives, technical solutions, and advantages of the present invention clear and complete, the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only some, not all, embodiments of the present invention, and are merely illustrative of the embodiments of the present invention. They are not intended to limit the embodiments of the present invention. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0029] Please see Figures 1 to 8 The present invention provides a technical solution:

[0030] Example 1: A hydraulic jacking device for tower crane pins, comprising: an extension rod 8 provided on the surface of a C-shaped plate 12; a cylinder 10 fixed on the surface of the C-shaped plate 12; a piston rod 13 provided at the end of the cylinder 10; a magnet 14 provided at the end of the piston rod 13; a support plate 17 provided at one end of the piston rod 13; a second through groove 20 and a first through groove 16 provided on the surface of the support plate 17; a vertical plate 19 fixed at the bottom of the magnet 14; an arc-shaped rod 11 fixed at the bottom of the vertical plate 19; a telescopic plate 26 fixed at the end of the arc-shaped rod 11; a force-applying plate 28 fixed on the surface of the telescopic plate 26; the arc-shaped rod 11 drives the telescopic plate 26 to move in a sliding groove 29; the force-applying plate 28 on the surface of the telescopic plate 26 moves with the telescopic plate 26; the force-applying plate 28 presses against the end of a clamping plate 27, causing the clamping plate 27 to extend from the top holding plate 25, so that two sets of clamping plates 27 are clamped on the surface of the crossbeam 5.

[0031] Example 2: Based on Example 1, a crossbeam 5 is placed inside the C-shaped plate 12. A support rod 4 is fixed to the end of the crossbeam 5. A second connecting frame 3 is fixed to the top of the support rod 4. A top plate 1 is placed at the bottom of the support rod 4. A first connecting frame 2 is fixed to the bottom of the top plate 1. The second connecting frame 3 can be inserted into the interior of the first connecting frame 2. A pin can be inserted into the surface of the first connecting frame 2 and the second connecting frame 3. Pin holes are opened on the surface of the first connecting frame 2 and the second connecting frame 3. The pin can be inserted into the pin holes on the surface of the first connecting frame 2 and the second connecting frame 3. The second connecting frame 3 is inserted into the interior of the first connecting frame 2. The C-shaped plate 12 is clamped on the surface of the crossbeam 5. The insertion plate 24 on the surface of the top plate 25 is inserted into the insertion hole 22 on the surface of the C-shaped plate 12. The insertion plate 24 is inserted into different insertion holes 22.

[0032] An extension rod 8 is fixed to the surface of the C-shaped plate 12. A screw rod 7 is screwed to the end of the extension rod 8, and a top holding block 6 is fixed to the other end of the screw rod 7. The C-shaped plate 12 is located outside the crossbeam 5. The top holding block 6 abuts against the surface of the support rod 4. A fixing block 9 is fixed to the surface of the C-shaped plate 12, and a cylinder 10 is fixed to the surface of the fixing block 9. A piston rod 13 is provided at the end of the cylinder 10. The cylinder 10 can drive the piston rod 13 to move. The magnet 14 moves with the piston rod 13. The limiting rod 18 moves with the magnet 14. The vertical plate 19 moves with the magnet 14. The arc-shaped rod 11 moves with the vertical plate 19. The surface of the C-shaped plate 12 is provided with insertion holes 22, and multiple sets of insertion holes 22 are provided. A top support plate 25 is provided inside the C-shaped plate 12. Insertion plates 24 are fixed to the surface of the top support plate 25 and can be inserted into the insertion holes 22. A screw plate 23 is fixed to the surface of the C-shaped plate 12, and both the screw plate 23 and the insertion plate 24 have screw holes. The screw plate 23 and the insertion plate 24 are fixed together by inserting screws into the screw holes on the surfaces of the screw plate 23 and the insertion plate 24. Two sets of top support plates 25 are provided, located on both sides inside the C-shaped plate 12. When the U-shaped plate 12 is located outside the crossbeam 5, the top holding plate 25 contacts the surface of the crossbeam 5. The U-shaped plate 12 is stabilized outside the crossbeam 5 by being clamped to the surface of the crossbeam 5 by two sets of top holding plates 25. A sliding groove 29 is provided on the surface of the top holding plate 25, and a telescopic plate 26 is inserted into the sliding groove 29. The telescopic plate 26 can move within the sliding groove 29. A force-applying plate 28 is fixed to the surface of the telescopic plate 26. The thickness of the force-applying plate 28 is greater than the thickness of other parts of the telescopic plate 26. A clamping plate 27 is inserted into the surface of the top holding plate 25. The clamping plate 27 can extend from the inside of the top holding plate 25, and its end is located in the sliding groove 29. 8. As the telescopic plate 26 moves, the force-applying plate 28 presses against the end of the clamping plate 27, causing the clamping plate 27 to extend out of the top plate 25. The clamping plate 27 is located on the side of the top plate 25 that is close to the crossbeam 5. After extending out of the top plate 25, the clamping plate 27 presses against the surface of the crossbeam 5. The arc-shaped rod 11 drives the telescopic plate 26 to move in the slide groove 29. The force-applying plate 28 on the surface of the telescopic plate 26 moves with the telescopic plate 26. The force-applying plate 28 presses against the end of the clamping plate 27, causing the clamping plate 27 to extend out of the top plate 25. This causes the two sets of clamping plates 27 to clamp the surface of the crossbeam 5, stabilizing the position of the U-shaped plate 12.

[0033] The support plate 17 is located at the end of the piston rod 13. A pin is placed inside the support plate 17. A spring 15 is installed in the second through groove 20. One end of the spring 15 is connected to the inner wall of the second through groove 20, and the other end is connected to the surface of the limiting rod 18. The limiting rod 18 is inserted into the second through groove 20 and can move in the second through groove 20. The vertical plate 19 is inserted into the first through groove 16 and can move in the first through groove 16. A rubber strip 21 is fixed to the end of the support plate 17. The rubber strip 21 abuts against the surface of the support rod 4. The end of the pin can be attracted to the surface of the magnet 14. The pin moves with the magnet 14 and is inserted into the interior of the first connecting frame 2 and the second connecting frame 3. When the piston rod 13 moves and abuts against the pin, the end of the support plate 17 abuts against the surface of the support rod 4. The support plate 17 remains stationary, and the limiting rod 18 moves with the piston rod 13, causing the spring 15 to be compressed. The limiting rod 18 plays a limiting role.

[0034] Place the top plate 1 on top of the support rod 4. Insert the second connecting frame 3 into the interior of the first connecting frame 2. Secure the C-shaped plate 12 to the surface of the crossbeam 5. Insert the insertion plate 24 on the surface of the top holding plate 25 into the insertion hole 22 on the surface of the C-shaped plate 12. By inserting the insertion plate 24 into different insertion holes 22, the position of the top holding plate 25 can be adjusted, allowing the height of the C-shaped plate 12 secured to the surface of the crossbeam 5 to be adjusted. Place the pin on the surface of the support plate 17 and tighten the screw 7, causing the top holding block 6 to press against the surface of the support rod 4. The cylinder 10 drives the piston rod 13 to move, and the piston rod 13 drives the magnet 14 to move. One end of the pin is attracted to the surface of the magnet 14, and the pin moves with the magnet 14. The piston rod 13 moves, causing the pin to move on the surface of the support plate 17. The limiting rod 18 moves in the second through groove 20, and the vertical plate 19 moves in the first through groove 16. The vertical plate 19 drives the arc rod 11 to move, and the arc rod 11 drives the telescopic plate 26 to move in the slide groove 29. The force plate 28 on the surface of the telescopic plate 26 moves with the telescopic plate 26. The force plate 28 presses against the end of the clamping plate 27, causing the clamping plate 27 to extend from the top plate 25. This causes the two sets of clamping plates 27 to clamp the surface of the crossbeam 5, stabilizing the position of the U-shaped plate 12. The piston rod 13 moves, pressing the pin into the insertion hole, and fixing the first connecting frame 2 and the second connecting frame 3.

[0035] Although the illustrative specific embodiments of this application have been described above to enable those skilled in the art to understand this application, this application is not limited to the scope of the specific embodiments. For those skilled in the art, all applications utilizing the concept of this application are protected as long as various variations are within the spirit and scope of this application as defined and determined by the appended claims.

Claims

1. A hydraulic jacking device for tower crane pins, characterized in that: include: An extension rod (8) is provided on the surface of the C-shaped plate (12). A cylinder (10) is fixed on the surface of the C-shaped plate (12). A piston rod (13) is provided at the end of the cylinder (10). A magnet (14) is provided at the end of the piston rod (13). A support plate (17) is provided at one end of the piston rod (13). A second through groove (20) and a first through groove (16) are provided on the surface of the support plate (17). A vertical plate (19) is fixed at the bottom of the magnet (14). An arc-shaped rod (11) is fixed at the bottom of the vertical plate (19). The end of the arc-shaped rod (11) A telescopic plate (26) is fixed to the part, and a force-applying plate (28) is fixed to the surface of the telescopic plate (26). A plug-in hole (22) is provided on the surface of the U-shaped plate (12), and multiple sets of plug-in holes (22) are provided. A top support plate (25) is provided inside the U-shaped plate (12), and a plug-in plate (24) is fixed to the surface of the top support plate (25). The plug-in plate (24) can be inserted into the plug-in hole (22). A screw plate (23) is fixed to the surface of the U-shaped plate (12), and a screw hole is provided on the surface of the screw plate (23). A screw hole is provided on the surface of the plug-in plate (24). The top support plate (25) has screw holes, and screws are inserted into the screw holes on the surface of the screw plate (23) and the screw holes on the surface of the plug plate (24) to fix the screw plate (23) and the plug plate (24) together. The surface of the top support plate (25) has a groove (29), and a telescopic plate (26) is inserted into the groove (29). The telescopic plate (26) can move in the groove (29). A force-applying plate (28) is fixed on the surface of the telescopic plate (26). The thickness of the force-applying plate (28) is greater than the thickness of the telescopic plate (26) at other locations. The surface of the top support plate (25) is... A clamping plate (27) is inserted into the top plate (25). The clamping plate (27) can extend out from the inside of the top plate (25), and the end of the clamping plate (27) is located in the groove (29). When the force plate (28) moves with the telescopic plate (26), the force plate (28) abuts against the end of the clamping plate (27), so that the clamping plate (27) extends out from the top plate (25). The clamping plate (27) is located on the side of the top plate (25) that is close to the crossbeam (5). After the clamping plate (27) extends out from the top plate (25), it abuts against the surface of the crossbeam (5).

2. The tower crane pin hydraulic jacking device according to claim 1, characterized in that: A crossbeam (5) is placed inside the shaped plate (12). A support rod (4) is fixed to the end of the crossbeam (5). A second connecting frame (3) is fixed to the top of the support rod (4). A top plate (1) is placed at the bottom of the support rod (4). A first connecting frame (2) is fixed to the bottom of the top plate (1). The second connecting frame (3) can be inserted into the interior of the first connecting frame (2). A pin can be inserted into the surface of the first connecting frame (2) and the second connecting frame (3).

3. The tower crane pin hydraulic jacking device according to claim 2, characterized in that: An extension rod (8) is fixed to the surface of the C-shaped plate (12). A screw rod (7) is screwed to the end of the extension rod (8). A top holding block (6) is fixed to the other end of the screw rod (7). The C-shaped plate (12) is located outside the crossbeam (5). The top holding block (6) is held against the surface of the support rod (4). A fixing block (9) is fixed to the surface of the C-shaped plate (12). A cylinder (10) is fixed to the surface of the fixing block (9). A piston rod (13) is provided at the end of the cylinder (10). The cylinder (10) can drive the piston rod (13) to move. The magnet (14) moves with the piston rod (13). The limiting rod (18) moves with the magnet (14). The vertical plate (19) moves with the magnet (14). The arc rod (11) moves with the vertical plate (19).

4. The tower crane pin hydraulic jacking device according to claim 3, characterized in that: The support plate (17) is located at the end of the piston rod (13). A pin is placed inside the support plate (17). A spring (15) is provided in the second through groove (20). One end of the spring (15) is connected to the inner wall of the second through groove (20), and the other end is connected to the surface of the limiting rod (18). The limiting rod (18) is inserted into the second through groove (20) and can move in the second through groove (20). The vertical plate (19) is inserted into the first through groove (16) and can move in the first through groove (16). A rubber strip (21) is fixed at the end of the support plate (17). The rubber strip (21) is held against the surface of the support rod (4). The end of the pin can be attracted to the surface of the magnet (14). The pin moves with the magnet (14) and is inserted into the interior of the first connecting frame (2) and the second connecting frame (3).

5. A hydraulic jacking device for tower crane pins according to claim 4, characterized in that: The top holding plate (25) is provided in two sets. The two sets of top holding plates (25) are located on both sides inside the C-shaped plate (12). When the C-shaped plate (12) is located outside the crossbeam (5), the top holding plate (25) contacts the surface of the crossbeam (5). The C-shaped plate (12) is stabilized outside the crossbeam (5) by clamping it on the surface of the crossbeam (5) by the two sets of top holding plates (25).

6. The tower crane pin hydraulic jacking device according to claim 5, characterized in that: When the piston rod (13) moves to support the pin, the end of the support plate (17) abuts against the surface of the support rod (4), the support plate (17) remains stationary, and the limiting rod (18) moves with the piston rod (13), causing the spring (15) to be compressed, and the limiting rod (18) plays a limiting role.

7. A hydraulic jacking device for tower crane pins according to claim 6, characterized in that: The first connecting frame (2) and the second connecting frame (3) have pin holes on their surfaces, and the pins can be inserted into the pin holes on the surfaces of the first connecting frame (2) and the second connecting frame (3).

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