A steel bar hoisting device for pile foundation construction and its usage method

Abstract

The present invention discloses a steel bar hanging device for pile foundation construction, including a casing, an anti-floating buckle, a support rod, a first vertical bar, a second vertical bar, and a top plate. A hook is provided at the bottom end of the first vertical bar. The bottom end of the second vertical bar is provided with a top plate that slides along the first vertical bar, and positioning holes are formed on the surface of the top plate. Hoisting rings are provided at the tops of the first vertical bar and the second vertical bar. The beneficial effects of the present invention are as follows: Through the designed limiting component, the end of the hook is inserted into the positioning hole for fixation, and the hook inserted into the positioning hole is reinforced; Through the designed positioning component, the positioning during the installation of the anti-floating buckle is increased; Through the designed stabilizing component, during use, the stabilizing rod is inserted into the slot of the anti-floating buckle, and with the cooperation of the elastic piece and the clamping block, the anti-floating buckle is firmly installed; Through the designed sliding component, when the movable block is pressed and moves, it drives the concave seat to move, and with the cooperation of the ball and the slider, the movement of the concave seat is smoother.

Description

Technical Field

[0001] The present invention belongs to the technical field of pile foundation construction, and particularly relates to a steel bar hoisting device for pile foundation construction and a using method thereof. Background Technique

[0002] Pile foundation construction refers to the construction process of building foundations; a pile foundation consists of piles and a pile cap. The pile foundation construction methods include: the hammering method, the vibration method, the pressing method, and the jetting method.

[0003] During the process of concrete pouring for pile foundations, it is often necessary to process multiple steel bars into a steel bar cage and hoist the steel bar cage formed by multiple steel bars; Patent Application No. CN202023223744.X discloses a steel bar cage hoisting device for bored cast-in-place piles, including a support rod, two groups of hoisting bars, an anti-floating positioning block, and an anti-floating snap ring. The hoisting bar includes a first vertical bar and a second vertical bar. A hook is provided at the lower end of the first vertical bar, a top plate is provided at the lower end of the second vertical bar, a sliding hole is provided at one end of the top plate, and the first vertical bar is slidably connected within the sliding hole. Hoisting rings are respectively connected to the upper ends of the first vertical bar and the second vertical bar. The support rod passes through the hoisting rings and is fixed at the top opening of the casing, and the support rod extends horizontally from the top opening of the casing by a predetermined distance. The anti-floating positioning blocks are symmetrically fixed on the outer wall of the casing, and the two ends of the support rod are respectively connected to the anti-floating positioning blocks through anti-floating snap rings.

[0004] The existing steel bar hoisting device for pile foundation construction has the following deficiencies in use:

[0005] 1. The end of the hook directly penetrates into the positioning hole and cannot be further limited, which is not conducive to strengthening the inserted hook.

[0006] 2. When the anti-floating snap ring connects the support rod and the anti-floating positioning block, the anti-floating snap ring cannot be positioned and stabilized, which is not conducive to improving the stability of the anti-floating snap ring. Summary of the Invention

[0007] The purpose of the present invention is to provide a steel bar hoisting device for pile foundation construction and a using method thereof, so as to solve the problems that the end of the hook directly penetrates into the positioning hole and cannot be further limited, which is not conducive to strengthening the inserted hook; when the anti-floating snap ring connects the support rod and the anti-floating positioning block, the anti-floating snap ring cannot be positioned and stabilized, which is not conducive to improving the stability of the anti-floating snap ring as mentioned in the above background technique.

[0008] To achieve the above object, the present invention provides the following technical solution: A steel bar hanging device for pile foundation construction, comprising a casing, an anti-floating buckle, a support rod, a first vertical bar, a second vertical bar, and a top plate. A hook is provided at the bottom end of the first vertical bar to ensure firm fixation of the hook and the first vertical bar. A top plate that slides along the first vertical bar is provided at the bottom end of the second vertical bar, and positioning holes are formed on the surface of the top plate. Hoisting rings are provided at the tops of the first vertical bar and the second vertical bar to ensure firm fixation of the first vertical bar and the hoisting ring, and firm fixation of the second vertical bar and the hoisting ring. Anti-floating positioning blocks are symmetrically distributed on the outer wall of the casing to ensure fixation of the anti-floating positioning blocks and the casing. The support rod passes through the hoisting ring and is fixed at the top opening of the casing. The anti-floating positioning block and the support rod are connected by an anti-floating buckle. A limiting component is provided on the hook and the top plate, and the limiting component includes a card slot, a movable block, a groove, a spring, and a concave seat. Symmetrically distributed card slots are formed on the side surface of the hook. Two grooves communicating with the positioning holes are formed on the surface of the top plate. One end of the movable block is embedded in the groove, and the other end extends out of the groove and is engaged with the card slot. The spring is arranged at the bottom of the groove, and the end of the spring is connected to the end face of the embedded end of the movable block. Slide the top plate so that the end of the hook is inserted into the positioning hole. When the hook is inserted, it presses the movable block, and the pressed movable block drives the concave seat to move. At the same time, the movable block compresses the spring, and the compressed spring resets, driving the movable block to engage in the card slot of the hook, so that the end of the hook is inserted into the positioning hole and fixed;

[0009] A positioning component is provided on the casing and the anti-floating buckle, and the positioning component includes a positioning rod and a guide hole. Symmetrically distributed positioning rods are provided on the outer wall of the casing to ensure firm fixation of the positioning rods and the casing. A guide hole for the positioning rod to pass through is formed on the surface of the anti-floating buckle, which increases the positioning during the installation of the anti-floating buckle.

[0010] As a preferred technical solution of the present invention, the positioning rod is of a cylindrical structure. A stabilizing component is provided on the casing and the anti-floating buckle. The stabilizing component includes a stabilizing rod, an elastic sheet, a slot, and a clamping block. Symmetrically distributed stabilizing rods are provided on the outer wall of the casing. A slot for the stabilizing rod to be inserted into is formed on the surface of the anti-floating buckle, and an elastic sheet is arranged on the inner side surface of the slot. A clamping block that abuts against the stabilizing rod is provided at the end of the elastic sheet, which helps to fix the stabilizing rod when the stabilizing rod is inserted into the slot under the cooperation of the elastic sheet and the clamping block.

[0011] As a preferred technical solution of the present invention, the end face of the protruding end of the clamping block is of a circular arc structure, and the stabilizing rod is of a cylindrical structure.

[0012] As a preferred technical solution of the present invention, the card slot is arc-shaped, and a sliding assembly is provided on the movable block and the groove. The sliding assembly includes a slider, a ball, and a concave seat. Symmetrically distributed concave seats are provided on the outer side of the embedded end of the movable block, and a plurality of balls are provided inside the concave seats. Symmetrically distributed sliders are provided on the inner side of the groove, and the ends of the sliders are placed inside the concave seats. When the movable block is pressed and moves, it drives the concave seat to move.

[0013] As a preferred technical solution of the present invention, the slider is of a cuboid structure, and a plurality of balls are equally spaced, making the cooperation between the slider and the balls more convenient.

[0014] The present invention also discloses a usage method of a steel bar hanging device for pile foundation construction. The usage method is as follows:

[0015] Step 1: Use a crane to lift the steel cage formed by processing multiple steel bars into the pile well; place the connecting bars of the steel cage at the bottom of the hook of the first vertical bar, slide the top plate so that the end of the hook is inserted into the positioning hole. When the hook is inserted, it presses the movable block, and the movable block drives the concave seat to move under pressure. At the same time, the movable block compresses the spring, and the compressed spring resets, driving the movable block to engage in the card slot of the hook, so that the end of the hook is fixed in the positioning hole;

[0016] Step 2: Continue to lower the steel cage. After the steel cage is lowered to the designated height, use the support rod to pass through the hanging ring and set it on the casing, pick up the anti-floating buckle ring, and insert it along the positioning rod to increase the positioning when inserting the anti-floating buckle ring until the stabilizing rod is inserted into the slot of the anti-floating buckle ring, and with the cooperation of the elastic piece and the clamping block, the anti-floating buckle ring is firmly installed, and then pour the concrete;

[0017] Step 3: After the concrete pouring is completed, remove the anti-floating buckle ring, take out the support rod, pull up the second vertical bar upward, so that the top plate at the lower end of the second vertical bar moves upward, so that the end of the hook is separated from the positioning hole, and then take out the first vertical bar for continued use next time.

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

[0019] (1) Through the designed limiting component, the end of the hook is fixed in the positioning hole, strengthening the hook inserted in the positioning hole;

[0020] (2) Through the designed positioning component, the positioning when installing the anti-floating buckle ring is increased;

[0021] (3) Through the designed stabilizing component, during use, the stabilizing rod is inserted into the slot of the anti-floating buckle ring, and with the cooperation of the elastic piece and the clamping block, the anti-floating buckle ring is firmly installed;

[0022] (4) Through the designed sliding component, when the movable block is pressed and moves, it drives the concave seat to move, and with the cooperation of the ball and the slider, the movement of the concave seat is smoother. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a schematic structural diagram of the present invention;

[0024] Figure 2 of the present invention Figure 1 is an enlarged schematic structural diagram of Area A in;

[0025] Figure 3 of the present invention Figure 2 is an enlarged schematic structural diagram of Area B in;

[0026] Figure 4 is a schematic structural diagram of the connection structure between the anti-floating buckle and the stabilizing rod of the present invention;

[0027] Figure 5 of the present invention Figure 4 is an enlarged schematic structural diagram of Area D in;

[0028] In the figure: 1, casing; 2, anti-floating positioning block; 3, anti-floating buckle; 4, lifting ring; 5, support rod; 6, stabilizing rod; 7, hook; 8, first vertical rib; 9, second vertical rib; 10, card slot; 11, positioning hole; 12, top plate; 13, movable block; 14, slider; 15, groove; 16, spring; 17, ball; 18, concave seat; 19, elastic sheet; 20, slot; 21, clamping block; 22, positioning rod. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0029] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0030] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5, the present invention provides a technical solution: a steel bar hanging device for pile foundation construction, including a casing 1, an anti-floating buckle 3, a support rod 5, a first vertical bar 8, a second vertical bar 9, and a top plate 12. A hook 7 is provided at the bottom end of the first vertical bar 8, so that the hook 7 is fixed to the first vertical bar 8. The bottom end of the second vertical bar 9 is provided with a top plate 12 that slides along the first vertical bar 8, and a positioning hole 11 is formed on the surface of the top plate 12. Hoop rings 4 are provided at the tops of the first vertical bar 8 and the second vertical bar 9. Anti-floating positioning blocks 2 are symmetrically distributed on the outer wall of the casing 1, so that the anti-floating positioning blocks 2 are fixed to the casing 1. The support rod 5 passes through the hoop ring 4 and is fixed at the top opening of the casing 1. The anti-floating positioning block 2 and the support rod 5 are connected by an anti-floating buckle 3. A limiting component is provided on the hook 7 and the top plate 12, and the limiting component includes a card slot 10, a movable block 13, a groove 15, a spring 16, and a concave seat 18. Symmetrically distributed card slots 10 are formed on the side surface of the hook 7. Two grooves 15 communicating with the positioning hole 11 are formed on the surface of the top plate 12. One end of the movable block 13 is embedded in the groove 15, and the other end extends out of the groove 15 and is engaged with the card slot 10. The spring 16 is arranged at the bottom of the groove 15, and the end of the spring 16 is connected to the end face of the embedded end of the movable block 13. During use, the top plate 12 is slid so that the end of the hook 7 is inserted into the positioning hole 11. When the hook 7 is inserted, it presses the movable block 13, and the movable block 13 drives the concave seat 18 to move under pressure. At the same time, the movable block 13 compresses the spring 16, and the compressed spring 16 resets, driving the movable block 13 to be engaged in the card slot 10 of the hook 7, so that the end of the hook 7 is fixed in the positioning hole 11, and the hook 7 inserted in the positioning hole 11 is reinforced;

[0031] A positioning component is provided on the casing 1 and the anti-floating buckle 3, and the positioning component includes a positioning rod 22 and a guide hole. Symmetrically distributed positioning rods 22 are provided on the outer wall of the casing 1, and a guide hole for the positioning rod 22 to pass through is formed on the surface of the anti-floating buckle 3, which increases the positioning during the installation of the anti-floating buckle 3.

[0032] In this embodiment, preferably, the positioning rod 22 is of a cylindrical structure. A stabilizing component is provided on the casing 1 and the anti-floating buckle 3, and the stabilizing component includes a stabilizing rod 6, an elastic piece 19, a slot 20, and a clamping block 21. Symmetrically distributed stabilizing rods 6 are provided on the outer wall of the casing 1, and a slot 20 for the stabilizing rod 6 to insert is formed on the surface of the anti-floating buckle 3. An elastic piece 19 is arranged on the inner side surface of the slot 20, and a clamping block 21 that abuts against the stabilizing rod 6 is arranged at the end of the elastic piece 19. During use, the stabilizing rod 6 is inserted into the slot 20 of the anti-floating buckle 3, and with the cooperation of the elastic piece 19 and the clamping block 21, the anti-floating buckle 3 is firmly installed.

[0033] In this embodiment, preferably, the end face of the protruding end of the clamping block 21 is of a circular arc structure, and the stabilizing rod 6 is of a cylindrical structure.

[0034] In this embodiment, preferably, the card slot 10 is arc-shaped, and a sliding component is provided on the movable block 13 and the groove 15. The sliding component includes a slider 14, a ball 17, and a concave seat 18. Symmetrically distributed concave seats 18 are provided on the outer side of the embedded end of the movable block 13, and a plurality of balls 17 are arranged inside the concave seats 18 to realize the installation of the balls 17. Symmetrically distributed sliders 14 are provided on the inner side of the groove 15, and the end of the slider 14 is placed inside the concave seat 18. When the movable block 13 is pressed and moves, it drives the concave seat 18 to move, and with the cooperation of the balls 17 and the sliders 14, the movement of the concave seat 18 is smoother.

[0035] In this embodiment, preferably, the slider 14 has a cuboid structure, and a plurality of balls 17 are evenly distributed.

[0036] In this application, the specific structures and working principles of the casing 1, the anti-floating snap ring 3, the lifting ring 4, the support rod 5, the first vertical rib 8, the second vertical rib 9, and the top plate 12 have been disclosed in a device for hoisting a bored cast-in-place pile steel cage with the application number CN202023223744.X.

[0037] A method for using a steel bar hoisting device for pile foundation construction includes the following steps:

[0038] Step 1: Use a crane to hoist the steel cage formed by processing multiple steel bars into the pile well; place the connecting bars of the steel cage at the bottom of the hook 7 at the bottom end of the first vertical rib 8, slide the top plate 12 so that the end of the hook 7 is inserted into the positioning hole 11. When the hook 7 is inserted, it presses the movable block 13, and the movable block 13 drives the concave seat 18 to move under pressure. At the same time, the movable block 13 compresses the spring 16, and the compressed spring 16 resets, driving the movable block 13 to engage in the card slot 10 of the hook 7, so that the end of the hook 7 is inserted into the positioning hole 11 and fixed;

[0039] Step 2: Continue to lower the steel cage. After the steel cage is lowered to the specified height, use the support rod 5 to pass through the lifting ring 4 and erect it on the casing 1. Pick up the anti-floating snap ring 3 and insert it along the positioning rod 22 to increase the positioning when inserting the anti-floating snap ring 3 until the stabilizing rod 6 is inserted into the slot 20 of the anti-floating snap ring 3, and with the cooperation of the elastic piece 19 and the clamping block 21, the anti-floating snap ring 3 is firmly installed, and then pour the concrete;

[0040] Step 3: After the concrete pouring is completed, remove the anti-floating snap ring 3, take out the support rod 5, pull up the second vertical rib 9 upward so that the top plate 12 at the lower end of the second vertical rib 9 moves upward, so that the end of the hook 7 is separated from the positioning hole 11, and then take out the first vertical rib 8 for continued use next time.

[0041] Although embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A steel bar hanging device for pile foundation construction, comprising a casing (1), an anti-floating buckle (3), a support rod (5), a first vertical bar (8), a second vertical bar (9), and a top plate (12). A hook (7) is provided at the bottom end of the first vertical bar (8). The bottom end of the second vertical bar (9) is provided with a top plate (12) that slides along the first vertical bar (8), and positioning holes (11) are formed on the surface of the top plate (12). Hoisting rings (4) are provided at the tops of both the first vertical bar (8) and the second vertical bar (9). Anti-floating positioning blocks (2) are symmetrically distributed on the outer wall of the casing (1). The support rod (5) passes through the hoisting ring (4) and is fixed at the top opening of the casing (1). The anti-floating positioning block (2) and the support rod (5) are connected by the anti-floating buckle (3), characterized in that: A limiting component is provided on the hook (7) and the top plate (12), and the limiting component includes a clamping groove (10), a movable block (13), a groove (15), a spring (16), and a concave seat (18). Symmetrically distributed clamping grooves (10) are formed on the side surface of the hook (7). Two grooves (15) communicating with the positioning holes (11) are formed on the surface of the top plate (12). One end of the movable block (13) is embedded in the groove (15), and the other end extends out of the groove (15) and is engaged with the clamping groove (10). The spring (16) is arranged at the bottom of the groove (15), and the end of the spring (16) is connected to the end face of the embedded end of the movable block (13). A positioning component is provided on the casing (1) and the anti-floating snap ring (3), and the positioning component includes a positioning rod (22) and a guide hole. Symmetrically distributed positioning rods (22) are arranged on the outer wall of the casing (1). A guide hole for the positioning rod (22) to pass through is formed on the surface of the anti-floating snap ring (3). The positioning rod (22) is of a cylindrical structure, and a stabilizing component is provided on the casing (1) and the anti-floating snap ring (3). The stabilizing component includes a stabilizing rod (6), an elastic sheet (19), a slot (20), and a clamping block (21). Symmetrically distributed stabilizing rods (6) are arranged on the outer wall of the casing (1). A slot (20) for the stabilizing rod (6) to be inserted into is formed on the surface of the anti-floating snap ring (3), and an elastic sheet (19) is arranged on the inner side surface of the slot (20). A clamping block (21) that abuts against the stabilizing rod (6) is arranged at the end of the elastic sheet (19). The end face of the protruding end of the clamping block (21) is of an arc-shaped structure, and the stabilizing rod (6) is of a cylindrical structure. The clamping groove (10) is arc-shaped, and a sliding component is provided on the movable block (13) and the groove (15). The sliding component includes a slider (14), a ball (17), and a concave seat (18). Symmetrically distributed concave seats (18) are arranged on the outer side surface of the embedded end of the movable block (13), and a plurality of balls (17) are arranged inside the concave seat (18). Symmetrically distributed sliders (14) are arranged on the inner side surface of the groove (15), and the end of the slider (14) is placed inside the concave seat (18).

2. The steel bar hoisting device for pile foundation construction according to claim 1, characterized in that: The slider (14) is of a cuboid structure, and a plurality of balls (17) are evenly distributed at intervals.

3. The usage method of a steel bar hoisting device for pile foundation construction according to any one of claims 1-2, characterized in that: The usage method is as follows: Step 1: Use a crane to lift the steel cage formed by processing multiple steel bars into the pile well. Place the connecting bars of the steel cage at the bottom of the hook (7) at the bottom end of the first vertical bar (8). Slide the top plate (12) so that the end of the hook (7) is inserted into the positioning hole (11). When the hook (7) is inserted, it presses the movable block (13). The movable block (13) is driven by the pressure to drive the concave seat (18) to move. At the same time, the movable block (13) compresses the spring (16). The compressed spring (16) resets and drives the movable block (13) to be engaged in the clamping groove (10) of the hook (7), so that the end of the hook (7) is inserted into the positioning hole (11) and fixed. Step 2: Continue to lower the steel reinforcement cage. After the steel reinforcement cage is lowered to the specified height, use the support rod (5) to pass through the lifting ring (4) and erect it on the casing (1). Pick up the anti-floating snap ring (3) and insert it along the positioning rod (22) to increase the positioning when inserting the anti-floating snap ring (3) until the stabilizing rod (6) is inserted into the slot (20) of the anti-floating snap ring (3). With the cooperation of the elastic piece (19) and the clamping block (21), the anti-floating snap ring (3) is firmly installed, and then pour the concrete. Step 3: After the concrete pouring is completed, remove the anti-floating snap ring (3), take out the support rod (5), pull up the second vertical bar (9) so that the top plate (12) at the lower end of the second vertical bar (9) moves upward, causing the end of the hook (7) to disengage from the positioning hole (11), and then take out the first vertical bar (8) for reuse next time.

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