Reinforcement cage positioning device and reinforcement cage lowering method

Abstract

The invention relates to the technical field of reinforcement cage lowering, in particular to a reinforcement cage positioning device and a reinforcement cage lowering method.The reinforcement cage positioning device comprises a bearing vehicle, an adjusting mechanism, a top plate and a lowering calibration assembly, the adjusting mechanism is installed at the top of the bearing vehicle, the top plate is installed at the top of the adjusting mechanism, and the lowering calibration assembly is installed on the top plate; the adjusting mechanism comprises a sliding table, a first lead screw sliding table, a first connecting plate, a transverse plate, a vertical adjusting assembly and two sliding rails, the two sliding rails are symmetrically arranged at the top of the bearing vehicle, the sliding table is slidably installed on the two sliding rails, the first lead screw sliding table is horizontally arranged at the top of the bearing vehicle, and the first connecting plate is arranged on the first lead screw sliding table; the first connecting plate is installed at the moving end of the first lead screw sliding table and connected with the sliding table, the transverse plate is horizontally arranged on the outer wall of the top end of the sliding table, the vertical adjusting assembly is installed at the top of the transverse plate, and the purpose of rapid calibration is achieved without affecting the positioning efficiency of the reinforcement cage.

Description

Technical Field

[0001] The invention relates to the technical field of lowering a steel cage, and in particular to a steel cage positioning device and a steel cage lowering method. Background Art

[0002] During the construction of bridges, culverts or high-rise buildings, it is usually necessary to pile the foundation according to the construction requirements. The method is to use machine punching and water drilling. When the hole depth reaches the requirement, a steel cage is lowered into the pile hole, and then a guide tube is inserted to pour concrete.

[0003] The Chinese invention patent with the announcement number CN116180722A discloses a steel cage positioning device and a steel cage lowering method, which solves the technical problem of the inconvenience of using the steel cage positioning device in the prior art. The steel cage positioning device includes: a first disk, which is installed above the entrance of the pile foundation; a channel adapted to the cross-sectional size of the steel cage is provided on the first disk; a laser emitter, the working end of the laser emitter faces the inside of the pile foundation, there are at least two laser emitters, and the center surrounded by the at least two laser emitters is the axis of the pile foundation or the axis of the steel cage; a track, which is adapted to the number of laser emitters, and the laser emitter can move along the track; one end of the track is connected to the first disk, and the other end extends from the outer edge of the channel toward the center.

[0004] However, the above patent still has the following shortcomings in actual use: the patent cannot be calibrated quickly during the positioning of the steel cage, which affects the positioning efficiency. Summary of the invention

[0005] The object of the present invention is to provide a reinforcement cage positioning device and a reinforcement cage lowering method to solve the problem in the above background technology that the reinforcement cage cannot be calibrated quickly during positioning, which affects the positioning efficiency.

[0006] The technical solution of the present invention is:

[0007] A steel cage positioning device includes a carrying vehicle, an adjustment mechanism, a top plate and a lowering calibration component, wherein the adjustment mechanism is installed on the top of the carrying vehicle, the top plate is installed on the top of the adjustment mechanism, and the lowering calibration component is installed on the top plate. The adjustment mechanism includes a sliding table, a first screw slide, a first connecting plate, a cross plate, a vertical adjustment component and two slide rails, the two slide rails are symmetrically arranged on the top of the carrying vehicle, the sliding table is slidably installed on the two slide rails, the first screw slide is horizontally arranged on the top of the carrying vehicle, the first connecting plate is installed on the moving end of the first screw slide, and the first connecting plate is connected to the sliding table, the cross plate is horizontally arranged on the top outer wall of the sliding table, and the vertical adjustment component is installed on the top of the cross plate.

[0008] Furthermore, the vertical adjustment component includes a cross rail, a movable frame, a second screw slide, a second connecting plate, a rotating shaft, a rotating motor, a driving gear and a driven gear. The cross rail is horizontally arranged on the top of the cross plate, the movable frame is slidably installed on the cross rail, the second screw slide is horizontally arranged on the top of the cross plate, the second connecting plate is installed on the moving end of the second screw slide, and the second connecting plate is connected to the bottom outer wall of the movable frame, the rotating shaft is rotatably installed on the top of the movable frame, and the top of the rotating shaft is connected to the top plate, the rotating motor is vertically arranged on the top of the movable frame, the driving gear is installed on the output shaft of the rotating motor, the driven gear is installed on the rotating shaft, and the driven gear is meshed with the driving gear.

[0009] Furthermore, the lowering calibration component includes a first rotating seat, a second rotating seat, a pulley, a winding shaft, a winding roller, a winding motor, a steel rope, a lifting ring and a fixing component, the first rotating seat and the second rotating seat are spaced apart at the top of the top plate, the pulley is rotatably installed in the first rotating seat, the winding shaft is rotatably installed in the second rotating seat, the winding roller is installed on the winding shaft, the winding motor is horizontally arranged on the outer wall of the second rotating seat, and the output shaft of the winding motor is connected to the winding shaft, one end of the steel rope is connected to the winding roller, and the other end of the steel rope extends to the bottom of the top plate after passing through the pulley, the lifting ring is installed on the other end of the steel rope, and the fixing component is installed at the bottom of the lifting ring.

[0010] Furthermore, the fixing assembly includes a fixing plate, a laser emitter and a clamping component, the fixing plate is installed at the bottom of the hanging ring, the laser emitter is installed at the bottom center of the fixing plate, and the clamping component is installed on the fixing plate.

[0011] Furthermore, the clamping component includes a clamping motor, a chain and three clamping members, and the three clamping members are arranged on the fixed disk at equal intervals around the disk center of the fixed disk, and each of the clamping members includes a guide rail, a guide block, a first hydraulic push rod, a clamping frame, an L-shaped plate, a movable rack, a clamping shaft, a clamping gear and a sprocket. The guide rail is horizontally arranged at the bottom of the fixed disk, the guide block is slidably mounted on the guide rail, the first hydraulic push rod is vertically arranged at the bottom of the guide block, the clamping frame is mounted on the output end of the first hydraulic push rod, the L-shaped plate is mounted on the outer wall of the guide block, the movable rack is mounted on the outer wall of the L-shaped plate, the clamping shaft is rotatably mounted on the fixed disk, the clamping gear is mounted on the bottom end of the clamping shaft, and the clamping gear is meshed with the movable rack, the sprocket is mounted on the top end of the clamping shaft, the clamping motor is vertically arranged on the top of the fixed disk, and the output shaft of the clamping motor is connected to the clamping shaft in one of the clamping members, and the chain is sleeved on the outside of the sprockets in the three clamping members.

[0012] Furthermore, two stabilizing components are symmetrically arranged on the top of the carrier vehicle.

[0013] Furthermore, the stabilizing assembly includes a mounting frame and a second hydraulic push rod, the mounting frame is arranged on the outer wall of the carrier vehicle, and the second hydraulic push rod is vertically arranged on the top of the mounting frame.

[0014] Furthermore, a ground plate is provided on the output end of the second hydraulic push rod.

[0015] Furthermore, a plurality of grounding protrusions are provided at the bottom of the grounding plate.

[0016] Furthermore, the bottom of the carrier vehicle is rectangular and has four moving wheels.

[0017] Furthermore, a stepping motor for driving the moving wheels to rotate is provided at the bottom of the carrier vehicle.

[0018] A method for lowering a steel cage of a steel cage positioning device comprises the following steps:

[0019] S1. The load-bearing vehicle moves to the side of the pile foundation, and the clamping motor drives the clamping shaft in one of the clamping parts to rotate. The clamping shaft drives the clamping shafts in the three clamping parts to rotate synchronously by using the sprocket and chain. The clamping shaft drives the moving rack and the L-shaped plate to move by using the clamping gear. The L-shaped plate drives the guide block and the clamping frame to move synchronously. The clamping frames in the three clamping parts clamp the steel cage.

[0020] S2, the first screw slide and the second screw slide cooperate to drive the steel cage to perform preliminary calibration and adjustment, and the cage center of the steel cage is adjusted to be consistent with the axis of the pile foundation;

[0021] S3, the winding motor drives the winding shaft and the winding roller to rotate, the winding roller drives the steel rope to be in the rope-releasing state, the steel rope drives the lifting ring and the fixed plate to move downward by the pulley, and the fixed plate drives the steel cage to be lowered into the pile foundation;

[0022] S4. The laser transmitter works to detect whether the center of the steel cage is consistent with the axis of the pile foundation. If it is inconsistent, the first screw slide and the second screw slide continue to cooperate to drive the center of the steel cage to adjust to the axis of the pile foundation.

[0023] The present invention provides a reinforcement cage positioning device and a reinforcement cage lowering method through improvement, which have the following improvements and advantages compared with the prior art:

[0024] First, the present invention moves the carrier vehicle to the side of the pile foundation, then lowers the calibration assembly to clamp the steel cage, and the first screw slide and the vertical adjustment assembly cooperate to perform preliminary calibration and adjustment on the steel cage, and the cage center of the steel cage is adjusted to be consistent with the axis of the pile foundation. Then, the calibration assembly is lowered to lower the steel cage into the pile foundation. After lowering, the calibration assembly is lowered to detect whether the cage center of the steel cage is consistent with the axis of the pile foundation. If it is inconsistent, the first screw slide and the vertical adjustment assembly continue to cooperate to drive the cage center of the steel cage to be adjusted to be consistent with the axis of the pile foundation, thereby achieving the purpose of rapid calibration without affecting the positioning efficiency of the steel cage.

[0025] Second, the present invention uses the second connecting plate to drive the moving frame to move on the horizontal rail through the second screw slide, and the moving frame realizes the vertical adjustment of the steel cage. When the direction of the steel cage needs to be adjusted, the rotating motor drives the driving gear to rotate, and the driving gear drives the rotating shaft to rotate through the driven gear. The rotating shaft drives the top plate to rotate, and then the top plate drives the steel cage to rotate to realize the adjustment of its direction.

[0026] Thirdly, the present invention drives the grounding plate to move downward through the operation of the second hydraulic push rod, and the grounding plate moves downward until it contacts the ground, thereby ensuring the stability of the load-bearing vehicle, thereby ensuring that the load-bearing vehicle does not move during the lowering of the steel cage. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The present invention will be further explained below in conjunction with the accompanying drawings and Examples:

[0028] Figure 1 The three-dimensional structure of the present invention is shown in FIG. Figure 1 ;

[0029] Figure 2 The three-dimensional structure of the present invention is shown in FIG. Figure 2 ;

[0030] Figure 3 The three-dimensional structure diagram of the adjustment mechanism and the lowering calibration component of the present invention is shown in FIG. Figure 1 ;

[0031] Figure 4 The three-dimensional structure diagram of the adjustment mechanism and the lowering calibration component of the present invention is shown in FIG. Figure 2 ;

[0032] Figure 5 The three-dimensional structure diagram of the lowering calibration component of the present invention is shown in FIG. Figure 1 ;

[0033] Figure 6 The three-dimensional structure diagram of the lowering calibration component of the present invention is shown in FIG. Figure 2 ;

[0034] Figure 7The three-dimensional structure diagram of the fixing assembly of the present invention is shown in FIG. Figure 1 ;

[0035] Figure 8 The three-dimensional structure diagram of the fixing assembly of the present invention is shown in FIG. Figure 2 .

[0036] Description of reference numerals:

[0037] Carrier 1, moving wheel 11, adjustment mechanism 2, top plate 3, lowering calibration component 4, first rotating seat 41, second rotating seat 42, pulley 43, winding shaft 44, winding roller 45, winding motor 46, steel rope 47, lifting ring 48, fixing component 49, fixing plate 491, laser transmitter 492, clamping component 493, clamping motor 494, chain 495, clamping member 496, guide rail 4961, guide block 4962, first hydraulic push rod 4963, clamping frame 4964, L-shaped plate 4965, moving rack 4966, clamping shaft 4967, clamping gear 4968, sprocket 4969, sliding table 5, first screw slide 51, first connecting plate 52, cross plate 53, vertical adjustment component 6, cross rail 61, moving frame 62, second screw slide 63, second connecting plate 64, rotating shaft 65, rotating motor 66, driving gear 67, driven gear 68, slide rail 7, stabilizing component 8, mounting frame 81, second hydraulic push rod 82, grounding plate 83, grounding bump 84. DETAILED DESCRIPTION

[0038] The present invention is described in detail below, and the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments 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 creative work are within the scope of protection of the present invention.

[0039] The present invention provides a reinforcement cage positioning device through improvement. Figure 1-Figure 8As shown, it includes a carrier 1, an adjustment mechanism 2, a top plate 3 and a lowering calibration component 4, the adjustment mechanism 2 is installed on the top of the carrier 1, the top plate 3 is installed on the top of the adjustment mechanism 2, the lowering calibration component 4 is installed on the top plate 3, the adjustment mechanism 2 includes a sliding table 5, a first screw slide 51, a first connecting plate 52, a cross plate 53, a vertical adjustment component 6 and two slide rails 7, the two slide rails 7 are symmetrically arranged on the top of the carrier 1, the sliding table 5 is slidably installed on the two slide rails 7, the first screw slide 51 is horizontally arranged on the top of the carrier 1, the first connecting plate 52 is installed on the moving end of the first screw slide 51, and the first connecting plate 52 is connected to the sliding table 5, and the cross plate 53 is horizontally arranged On the top outer wall of the sliding platform 5, the vertical adjustment component 6 is installed on the top of the cross plate 53; it is moved to the side of the pile foundation by the carrying vehicle 1, and then the calibration component 4 is lowered to clamp the steel cage, and the first screw slide 51 and the vertical adjustment component 6 cooperate to perform preliminary calibration and adjustment on the steel cage, and the cage center of the steel cage is adjusted to be consistent with the axis of the pile foundation, and then the calibration component 4 is lowered to lower the steel cage into the pile foundation. After lowering, the calibration component 4 is lowered to detect whether the cage center of the steel cage is consistent with the axis of the pile foundation. Once inconsistent, the first screw slide 51 and the vertical adjustment component 6 continue to cooperate to drive the cage center of the steel cage to be adjusted to be consistent with the axis of the pile foundation, thereby achieving the purpose of rapid calibration without affecting the positioning efficiency of the steel cage.

[0040] Specifically, the vertical adjustment component 6 includes a cross rail 61, a moving frame 62, a second screw slide 63, a second connecting plate 64, a rotating shaft 65, a rotating motor 66, a driving gear 67 and a driven gear 68. The cross rail 61 is horizontally arranged on the top of the cross plate 53, the moving frame 62 is slidably installed on the cross rail 61, the second screw slide 63 is horizontally arranged on the top of the cross plate 53, the second connecting plate 64 is installed on the moving end of the second screw slide 63, and the second connecting plate 64 is connected to the outer wall of the bottom end of the moving frame 62, the rotating shaft 65 is rotatably installed on the top of the moving frame 62, and the top end of the rotating shaft 65 is connected to the top plate 3, and the rotating motor 66 is vertically arranged at the top of the mobile frame 62, the driving gear 67 is installed on the output shaft of the rotating motor 66, the driven gear 68 is installed on the rotating shaft 65, and the driven gear 68 is meshed with the driving gear 67; the second connecting plate 64 is used to drive the mobile frame 62 to move on the cross rail 61 through the second screw slide 63, and the mobile frame 62 realizes the vertical adjustment of the steel cage. When the direction of the steel cage needs to be adjusted, the rotating motor 66 works to drive the driving gear 67 to rotate, and the driving gear 67 uses the driven gear 68 to drive the rotating shaft 65 to rotate, and the rotating shaft 65 drives the top plate 3 to rotate, and then the top plate 3 drives the steel cage to rotate to realize the adjustment of its direction.

[0041] Specifically, the lowering calibration component 4 includes a first rotating seat 41, a second rotating seat 42, a pulley 43, a winding shaft 44, a winding roller 45, a winding motor 46, a steel rope 47, a lifting ring 48 and a fixing component 49. The first rotating seat 41 and the second rotating seat 42 are arranged at a distance on the top of the top plate 3. The pulley 43 is rotatably installed in the first rotating seat 41, the winding shaft 44 is rotatably installed in the second rotating seat 42, the winding roller 45 is installed on the winding shaft 44, and the winding motor 46 is horizontally arranged on the outer wall of the second rotating seat 42, and the output shaft of the winding motor 46 is connected to the winding motor 46. The reel 44 is connected, one end of the steel rope 47 is connected to the winding roller 45, the other end of the steel rope 47 passes through the pulley 43 and extends to the bottom of the top plate 3, the lifting ring 48 is installed on the other end of the steel rope 47, and the fixing component 49 is installed at the bottom of the lifting ring 48; the fixing component 49 is operated to clamp the steel cage, and then the winding motor 46 drives the winding shaft 44 and the winding roller 45 to rotate, and the winding roller 45 drives the steel rope 47 to be in the rope-releasing state, and the steel rope 47 uses the pulley 43 to drive the lifting ring 48 and the fixing component 49 to move downward, thereby realizing the rapid lowering of the steel cage into the pile foundation.

[0042] Specifically, the fixing assembly 49 includes a fixing plate 491, a laser emitter 492 and a clamping component 493. The fixing plate 491 is installed at the bottom of the lifting ring 48, the laser emitter 492 is installed at the bottom center of the fixing plate 491, and the clamping component 493 is installed on the fixing plate 491. The clamping component 493 is used to clamp the steel cage, and then the laser emitter 492 is used to detect whether the cage center of the steel cage is consistent with the axis of the pile foundation, so as to ensure the accurate positioning of the steel cage.

[0043] Specifically, the clamping component 493 includes a clamping motor 494, a chain 495 and three clamping members 496. The three clamping members 496 are arranged on the fixed disk 491 at equal intervals around the center of the fixed disk 491. Each of the clamping members 496 includes a guide rail 4961, a guide block 4962, a first hydraulic push rod 4963, a clamping frame 4964, an L-shaped plate 4965, a movable rack 4966, a clamping shaft 4967, a clamping gear 4968 and a sprocket 4969. The guide rail 4961 is horizontally arranged on the fixed disk 491. 91, the guide block 4962 is slidably mounted on the guide rail 4961, the first hydraulic push rod 4963 is vertically arranged at the bottom of the guide block 4962, the clamping frame 4964 is installed on the output end of the first hydraulic push rod 4963, the L-shaped plate 4965 is installed on the outer wall of the guide block 4962, the moving rack 4966 is installed on the outer wall of the L-shaped plate 4965, the clamping shaft 4967 is rotatably mounted on the fixed plate 491, and the clamping gear 4968 is installed on the bottom end of the clamping shaft 4967, The clamping gear 4968 is meshed with the movable rack 4966, the sprocket 4969 is installed on the top of the clamping shaft 4967, the clamping motor 494 is vertically arranged on the top of the fixed plate 491, and the output shaft of the clamping motor 494 is connected to the clamping shaft 4967 in one of the clamping members 496, and the chain 495 is sleeved on the outside of the sprocket 4969 in the three clamping members 496; the clamping motor 494 drives the clamping shaft 4967 in one of the clamping members 496 to rotate, and the clamping shaft 4967 is rotated. 967 utilizes the sprocket 4969 and the chain 495 to drive the clamping shaft 4967 in the three clamping parts 496 to rotate synchronously. The clamping shaft 4967 utilizes the clamping gear 4968 to drive the moving rack 4966 and the L-shaped plate 4965 to move. The L-shaped plate 4965 drives the guide block 4962 and the clamping frame 4964 to move synchronously. The clamping frame 4964 in the three clamping parts 496 clamps the steel cage. The first hydraulic push rod 4963 can drive the clamping frame 4964 to rise and fall, so as to facilitate the lifting of the clamping frame 4964 to a suitable clamping position.

[0044] Specifically, two stabilizing components 8 are symmetrically arranged on the top of the carrier vehicle 1; the two stabilizing components 8 are used to stabilize the carrier vehicle 1 on the ground.

[0045] Specifically, the stabilizing assembly 8 includes a mounting frame 81 and a second hydraulic push rod 82, the mounting frame 81 is arranged on the outer wall of the carrier vehicle 1, the second hydraulic push rod 82 is vertically arranged on the top of the mounting frame 81, and a grounding plate 83 is provided on the output end of the second hydraulic push rod 82; the grounding plate 83 is driven downward by the operation of the second hydraulic push rod 82, and the grounding plate 83 moves downward until it contacts the ground, thereby ensuring the stability of the carrier vehicle 1, and further ensuring that the carrier vehicle 1 will not move during the lowering of the steel cage.

[0046] Specifically, a plurality of grounding protrusions 84 are provided at the bottom of the grounding plate 83; the plurality of grounding protrusions 84 increase the friction between the grounding plate 83 and the ground.

[0047] Specifically, the bottom of the carrier 1 is rectangular and has four moving wheels 11 distributed thereon; the moving wheels 11 facilitate the movement of the carrier 1 .

[0048] Specifically, a stepper motor for driving the moving wheels 11 to rotate is provided at the bottom of the carrier vehicle 1; the stepper motor is used to drive the moving wheels 11 to rotate, and then the moving wheels 11 drive the carrier vehicle 1 to move on the ground.

[0049] The present invention also provides a method for lowering a steel cage of a steel cage positioning device, comprising the following steps:

[0050] S1. The carrier vehicle 1 moves to the side of the pile foundation, and the clamping motor 494 drives the clamping shaft 4967 in one of the clamping members 496 to rotate. The clamping shaft 4967 drives the clamping shafts 4967 in the three clamping members 496 to rotate synchronously by means of the sprocket 4969 and the chain 495. The clamping shaft 4967 drives the moving rack 4966 and the L-shaped plate 4965 to move by means of the clamping gear 4968. The L-shaped plate 4965 drives the guide block 4962 and the clamping frame 4964 to move synchronously. The clamping frames 4964 in the three clamping members 496 clamp the steel cage.

[0051] S2, the first screw slide 51 and the second screw slide 63 cooperate to drive the steel cage to perform preliminary calibration and adjustment, and the cage center of the steel cage is adjusted to be consistent with the axis of the pile foundation;

[0052] S3, the winding motor 46 drives the winding shaft 44 and the winding roller 45 to rotate, the winding roller 45 drives the steel rope 47 to be in the rope-releasing state, the steel rope 47 drives the lifting ring 48 and the fixed plate 491 to move downward by the pulley 43, and the fixed plate 491 drives the steel cage to be lowered into the pile foundation;

[0053] S4, the laser transmitter 492 works to detect whether the cage center of the steel cage is consistent with the axis of the pile foundation. If it is inconsistent, the first screw slide 51 and the second screw slide 63 continue to cooperate to drive the cage center of the steel cage to adjust to the axis of the pile foundation.

[0054] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A steel cage positioning device, characterized in that: The invention comprises a carrier vehicle (1), an adjustment mechanism (2), a top plate (3) and a lowering calibration component (4), wherein the adjustment mechanism (2) is mounted on the top of the carrier vehicle (1), the top plate (3) is mounted on the top of the adjustment mechanism (2), the lowering calibration component (4) is mounted on the top plate (3), the adjustment mechanism (2) comprises a sliding platform (5), a first screw rod sliding platform (51), a first connecting plate (52), a transverse plate (53), a vertical adjustment component (6) and two slide rails (7), the two slide rails (7) is symmetrically arranged on the top of the carrier vehicle (1), the sliding platform (5) is slidably installed on the two slide rails (7), the first screw slide (51) is horizontally arranged on the top of the carrier vehicle (1), the first connecting plate (52) is installed on the moving end of the first screw slide (51), and the first connecting plate (52) is connected to the sliding platform (5), the cross plate (53) is horizontally arranged on the top outer wall of the sliding platform (5), and the vertical adjustment component (6) is installed on the top of the cross plate (53).

2. A reinforcement cage positioning device according to claim 1, characterized in that: The vertical adjustment assembly (6) comprises a transverse rail (61), a movable frame (62), a second screw slide (63), a second connecting plate (64), a rotating shaft (65), a rotating motor (66), a driving gear (67) and a driven gear (68), wherein the transverse rail (61) is horizontally arranged on the top of the transverse plate (53), the movable frame (62) is slidably mounted on the transverse rail (61), the second screw slide (63) is horizontally arranged on the top of the transverse plate (53), and the second connecting plate (64) is mounted on the second screw slide (6 The movable frame (62) is provided with a second connecting plate (64) and a bottom outer wall of the movable frame (62). The rotating shaft (65) is rotatably mounted on the top of the movable frame (62). The top end of the rotating shaft (65) is connected to the top plate (3). The rotating motor (66) is vertically arranged on the top end of the movable frame (62). The driving gear (67) is mounted on the output shaft of the rotating motor (66). The driven gear (68) is mounted on the rotating shaft (65). The driven gear (68) is meshed with the driving gear (67).

3. A reinforcement cage positioning device according to claim 2, characterized in that: The lowering calibration component (4) comprises a first rotating seat (41), a second rotating seat (42), a pulley (43), a winding shaft (44), a winding roller (45), a winding motor (46), a steel rope (47), a hanging ring (48) and a fixing component (49), wherein the first rotating seat (41) and the second rotating seat (42) are arranged at a distance on the top of the top plate (3), the pulley (43) is rotatably mounted in the first rotating seat (41), the winding shaft (44) is rotatably mounted in the second rotating seat (42), and the The winding roller (45) is installed on the winding shaft (44), the winding motor (46) is horizontally arranged on the outer wall of the second rotating seat (42), and the output shaft of the winding motor (46) is connected to the winding shaft (44), one end of the steel rope (47) is connected to the winding roller (45), and the other end of the steel rope (47) passes through the pulley (43) and extends to the bottom of the top plate (3), the lifting ring (48) is installed on the other end of the steel rope (47), and the fixing component (49) is installed at the bottom of the lifting ring (48).

4. A reinforcement cage positioning device according to claim 3, characterized in that: The fixing assembly (49) includes a fixing plate (491), a laser emitter (492) and a clamping component (493); the fixing plate (491) is installed at the bottom of the hanging ring (48); the laser emitter (492) is installed at the bottom center of the fixing plate (491); and the clamping component (493) is installed on the fixing plate (491).

5. A reinforcement cage positioning device according to claim 4, characterized in that: The clamping component (493) includes a clamping motor (494), a chain (495) and three clamping members (496). The three clamping members (496) are arranged on the fixed disk (491) at equal intervals around the center of the fixed disk (491). Each clamping member (496) includes a guide rail (4961), a guide block (4962), a first hydraulic push rod (4963), a clamping frame (4964), an L-shaped plate (4965), a movable rack (4966), a clamping shaft (4967), a clamping gear (4968) and a sprocket (4969). The guide rail (4961) is horizontally arranged at the bottom of the fixed disk (491), the guide block (4962) is slidably installed on the guide rail (4961), the first hydraulic push rod (4963) is vertically arranged at the bottom of the guide block (4962), and the clamping frame (4964) is installed at the first hydraulic push rod (4963). On the output end of a hydraulic push rod (4963), the L-shaped plate (4965) is mounted on the outer wall of the guide block (4962), the movable rack (4966) is mounted on the outer wall of the L-shaped plate (4965), the clamping shaft (4967) is rotatably mounted on the fixed disk (491), the clamping gear (4968) is mounted on the bottom end of the clamping shaft (4967), and the clamping gear (4968) is meshed with the movable rack (4966), the sprocket (4969) is mounted on the top end of the clamping shaft (4967), the clamping motor (494) is vertically arranged on the top of the fixed disk (491), and the output shaft of the clamping motor (494) is connected to the clamping shaft (4967) in one of the clamping members (496), and the chain (495) is sleeved on the outside of the sprockets (4969) in the three clamping members (496).

6. A reinforcement cage positioning device according to claim 5, characterized in that: Two stabilizing components (8) are symmetrically arranged on the top of the carrier vehicle (1).

7. A reinforcement cage positioning device according to claim 6, characterized in that: The stabilizing assembly (8) comprises a mounting frame (81) and a second hydraulic push rod (82); the mounting frame (81) is arranged on the outer wall of the carrier vehicle (1); and the second hydraulic push rod (82) is vertically arranged on the top of the mounting frame (81).

8. A reinforcement cage positioning device according to claim 7, characterized in that: A grounding plate (83) is provided on the output end of the second hydraulic push rod (82).

9. A reinforcement cage positioning device according to claim 8, characterized in that: A plurality of grounding protrusions (84) are provided at the bottom of the grounding plate (83).

10. A reinforcement cage positioning device according to claim 9, characterized in that: The bottom of the carrier vehicle (1) is provided with four moving wheels (11) in a rectangular shape.

11. A reinforcement cage positioning device according to claim 10, characterized in that: A stepping motor for driving the moving wheel (11) to rotate is provided at the bottom of the carrier vehicle (1).

12. A method for lowering a steel cage of a steel cage positioning device according to claim 11, characterized in that: The following steps are included: S1, the load-bearing vehicle (1) moves to the side of the pile foundation, the clamping motor (494) drives the clamping shaft (4967) in one of the clamping members (496) to rotate, the clamping shaft (4967) drives the clamping shafts (4967) in the three clamping members (496) to rotate synchronously by means of the sprocket (4969) and the chain (495), the clamping shaft (4967) drives the moving rack (4966) and the L-shaped plate (4965) to move by means of the clamping gear (4968), the L-shaped plate (4965) drives the guide block (4962) and the clamping frame (4964) to move synchronously, and the clamping frame (4964) in the three clamping members (496) clamps the steel cage; S2, the first screw slide (51) and the second screw slide (63) cooperate to drive the steel cage to perform preliminary calibration and adjustment, and the cage center of the steel cage is adjusted to be consistent with the axis center of the pile foundation; S3, the winding motor (46) drives the winding shaft (44) and the winding roller (45) to rotate, the winding roller (45) drives the steel rope (47) to be in a rope-releasing state, the steel rope (47) drives the lifting ring (48) and the fixed plate (491) to move downward by means of the pulley (43), and the fixed plate (491) drives the steel cage to be lowered into the pile foundation; S4, the laser emitter (492) works to detect whether the cage center of the steel cage is consistent with the axis of the pile foundation. If it is inconsistent, the first screw slide (51) and the second screw slide (63) continue to cooperate to drive the cage center of the steel cage to adjust to the axis of the pile foundation.

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