Cylindrical reinforcement cage cross arm auxiliary device

Abstract

The utility model relates to a cylindrical reinforcement cage cross arm auxiliary device, which comprises a frame body, a plurality of cross arms and a plurality of driving components in one-to-one correspondence with the plurality of cross arms, and the plurality of cross arms are uniformly arranged along the circumferential direction of the frame body and are in sliding connection with the frame body along the direction close to or far away from the center of the frame body; each driving assembly comprises a driving shaft, a straight gear, a rack and a motor, the driving shafts are rotationally connected with the frame body, the straight gears are arranged on the driving shafts in a sleeving mode, the racks are fixedly connected with the corresponding cross arms, the straight gears and the racks are connected in a meshed mode, the motors are installed on the frame body, and the output ends of the motors are connected with the driving shafts; the motor is started to drive the driving shaft to rotate, under the matching action of the straight gear and the rack, the multiple cross arms can be driven to move in the direction close to or away from the reinforcement cage, the process of manually adjusting the positions of the cross arms is replaced, use is convenient, and working hours are shortened.

Description

Technical Field

[0001] The utility model relates to the technical field of construction, in particular to a cross arm auxiliary device for a cylindrical steel cage. Background Art

[0002] Cross arms are required in the process of splicing the steel cage. Specifically, a cross arm is passed across the top layer of the lower steel cage to fix the steel cage and facilitate the hoisting and welding of the upper steel cage.

[0003] For example, the utility model patent with application number CN202321181731.1 proposes a bridge pile foundation steel cage lowering positioning device, wherein the end of the positioning sleeve extending into the interior of the steel ring is fixedly connected to an arc-shaped slide plate; the arc-shaped slide plate is provided with a through opening, and the end of the crossbar extending into the steel ring can pass through the through opening; the arc-shaped surface of the arc-shaped slide plate can fit the outer side of the steel cage and can be slidably connected to the outer side of the steel cage.

[0004] However, when disassembling and assembling the cross arm, since there are multiple cross arms, multiple operations are required, which is inconvenient to use. Utility Model Content

[0005] In view of this, it is necessary to provide a cylindrical steel cage cross arm auxiliary device to solve the problem of inconvenience in use due to the need for multiple operations when disassembling and assembling the cross arms due to the large number of cross arms.

[0006] The utility model provides a cross arm auxiliary device for a cylindrical steel cage, comprising a frame, a plurality of cross arms and a plurality of drive components corresponding to the plurality of cross arms one by one, wherein the plurality of cross arms are evenly arranged along the circumference of the frame and are slidably connected to the frame along a direction close to or away from the center of the frame; the drive components each comprise a drive shaft, a spur gear, a rack and a motor, the drive shaft is rotatably connected to the frame, the spur gear is sleeved on the drive shaft, the rack is fixedly connected to the corresponding cross arm, the spur gear is meshingly connected to the rack, the motor is mounted on the frame, and the output end of the motor is connected to the drive shaft.

[0007] Furthermore, it also includes a plurality of transmission components, which are installed on the frame and are sequentially arranged between the plurality of drive shafts. The transmission components are connected to two adjacent drive shafts so that the two adjacent drive shafts can rotate synchronously.

[0008] Furthermore, the transmission assembly includes a transmission shaft, two first bevel gears and two second bevel gears. The transmission shaft is rotatably connected to the frame, both ends of the transmission shaft are connected to the two first bevel gears, and the two second bevel gears are fixed at the opposite ends of two adjacent driving shafts. The two first bevel gears on the transmission shaft are respectively meshed and connected with the two second bevel gears on the two adjacent driving shafts.

[0009] Furthermore, the number of motors in the multiple driving assemblies is one, and the output end of the motor is connected to one of the driving shafts.

[0010] Furthermore, the frame is square, the number of cross arms is four, the four cross arms are arranged at the four corners of the frame, and the number of drive components is four.

[0011] Furthermore, it also includes a bearing seat, which is fixedly connected to the frame, a through groove is formed between the bearing seat and the frame, the cross arm is slidably connected to the through groove of the bearing seat, and the sliding path of the rack is staggered with the bearing seat.

[0012] Furthermore, the bearing seat is provided with slide grooves on both sides of the through groove, and sliding blocks are fixedly connected to both sides of the cross arm, and the sliding blocks are slidably connected to the corresponding side slide grooves.

[0013] Furthermore, each cross arm is provided with two bearing seats, which are arranged in sequence along the sliding direction of the cross arm, one of which is fixedly connected to the frame, and the other is fixedly connected to the frame via a support plate.

[0014] Furthermore, the supporting seat is provided with triangular plates in sequence away from the center of the frame, one side of the triangular plates is fixedly connected to the supporting seat, and the bottom of the triangular plates is fixedly connected to the frame.

[0015] Furthermore, it also includes a mounting plate spanning above the rack, the mounting plate is fixedly connected to the frame, a groove is opened on the mounting plate, the drive shaft is rotatably connected to the mounting plate, and the bottom of the spur gear is arranged through the groove.

[0016] Compared with the existing technology, when the steel cage is hoisted to the predetermined position, the motor is turned on to drive the drive shaft to rotate. Under the cooperation of the spur gear and the rack, multiple cross arms can be driven to move in the direction close to the steel cage until the cross arms pass through the steel cage. At this time, the installation of the cross arms is completed. When disassembling, it is only necessary to control the motor to reverse to realize the function of moving the cross arms in the direction away from the steel cage, replacing the process of manually adjusting the position of the cross arms. It is easy to use and shortens working hours. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the overall structure of the cylindrical reinforcement cage cross arm auxiliary device provided in an embodiment of the utility model;

[0018] Figure 2 The cylindrical reinforcement cage cross arm auxiliary device provided by the embodiment of the utility model Figure 1 The enlarged schematic diagram of the middle A part;

[0019] Figure 3 A schematic structural diagram of a bearing seat in a cylindrical reinforcement cage cross arm auxiliary device provided in an embodiment of the utility model. DETAILED DESCRIPTION

[0020] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of the present application and are used together with the embodiments of the present invention to illustrate the principles of the present invention, but are not used to limit the scope of the present invention.

[0021] like Figure 1 As shown, the cylindrical steel cage crossarm 200 auxiliary device provided by the utility model includes a frame 100, a plurality of crossarms 200 and a plurality of drive assemblies 300 corresponding to the plurality of crossarms 200, the plurality of crossarms 200 are evenly arranged along the circumference of the frame 100, and are slidably connected to the frame 100 along a direction close to or away from the center of the frame 100; the drive assemblies 300 each include a drive shaft 310, a spur gear 320, a rack 330 and a motor 340, the drive shaft 310 is rotatably connected to the frame 100, the spur gear 320 is sleeved on the drive shaft 310, the rack 330 is fixedly connected to the corresponding crossarm 200, the spur gear 320 and the rack 330 are meshingly connected, the motor 340 is installed on the frame 100, and the output end of the motor 340 is connected to the drive shaft 310.

[0022] During implementation, after the steel cage is hoisted to the predetermined position, the motor 340 is turned on to drive the drive shaft 310 to rotate. Under the cooperation of the spur gear 320 and the rack 330, multiple cross arms 200 can be driven to move in the direction close to the steel cage until the cross arms 200 pass through the steel cage. At this time, the installation of the cross arms 200 is completed. When disassembling, it is only necessary to control the motor 340 to reverse to realize the function of moving the cross arms 200 in the direction away from the steel cage, thereby replacing the process of manually adjusting the position of the cross arms 200. It is easy to use and shortens the working hours.

[0023] The frame 100 in this embodiment is installed outside the ground pile hole so that the steel cage in the ground pile hole is located in the frame 100. The cross arm 200 is moved on the frame 100 to pass through the steel cage, thereby achieving the function of fixing the steel cage.

[0024] The cross arm 200 in this embodiment may be a plate-shaped structure, or may be a tube-shaped structure. Therefore, there is no limitation on the shape of the cross arm 200, which is mainly used to support and fix the steel cage.

[0025] It is understandable that in other embodiments, the frame 100 may also be circular, triangular, pentagonal, etc., and the number and installation position of the cross arms 200 are not limited.

[0026] like Figure 3As shown, since the cross arm 200 is subjected to greater force on one side close to the steel cage, the other side thereof is prone to tilting. Therefore, in one embodiment, a bearing seat 110 is further included, the bearing seat 110 is fixedly connected to the frame 100, a through slot 111 is formed between the bearing seat 110 and the frame 100, the cross arm 200 is slidably connected to the through slot 111 of the bearing seat 110, and the sliding path of the rack 330 is staggered with the bearing seat 110. The bearing seat 110 can withstand the external force on the side of the cross arm 200 away from the steel cage, and can also limit the sliding direction of the cross arm 200.

[0027] To limit the circumferential position of the cross arm 200 , in one embodiment, the bearing seat 110 is provided with slide grooves 112 on both sides of the through groove 111 , and sliders are fixedly connected to both sides of the cross arm 200 , and the sliders are slidably connected to the corresponding side slide grooves 112 .

[0028] In one embodiment, two bearing seats 110 are provided on each cross arm 200 , and the two bearing seats 110 are arranged in sequence along the sliding direction of the cross arm 200 , one of the bearing seats 110 is fixedly connected to the frame 100 , and the other bearing seat 110 is fixedly connected to the frame 100 via a support plate 120 .

[0029] Since the side of the bearing seat 110 away from the steel cage is subjected to greater force, in one embodiment, triangular plates 113 are sequentially arranged on the bearing seat 110 away from the center of the frame 100, one side of the triangular plate 113 is fixedly connected to the bearing seat 110, and the bottom of the triangular plate 113 is fixedly connected to the frame 100.

[0030] The driving assembly 300 in this embodiment is a structure for driving the movement of multiple cross arms 200. The driving assembly 300 includes a driving shaft 310, a spur gear 320, a rack 330 and a motor 340. The driving shaft 310 is rotatably connected to the frame 100, the spur gear 320 is sleeved on the driving shaft 310, the rack 330 is fixedly connected to the corresponding cross arm 200, the spur gear 320 and the rack 330 are meshed and connected, the motor 340 is installed on the frame 100, and the output end of the motor 340 is connected to the driving shaft 310.

[0031] In order to achieve synchronous movement of multiple cross arms 200 and improve the efficiency of assembly and disassembly of the cross arms 200, the present embodiment also includes multiple transmission assemblies 400, which are installed on the frame 100 and sequentially arranged between two of the multiple drive shafts 310, and the transmission assemblies 400 are connected to two adjacent drive shafts 310 to allow the two adjacent drive shafts 310 to rotate synchronously.

[0032] like Figure 2As shown, the transmission assembly 400 includes a transmission shaft 410, two first bevel gears 420 and two second bevel gears 430. The transmission shaft 410 is rotatably connected to the frame 100, and both ends of the transmission shaft 410 are connected to the two first bevel gears 420. The two second bevel gears 430 are fixedly arranged at the opposite ends of two adjacent driving shafts 310. The two first bevel gears 420 on the transmission shaft 410 are respectively meshed and connected with the two second bevel gears 430 on the two adjacent driving shafts 310.

[0033] Through the above arrangement, the number of motors 340 in the multiple driving assemblies 300 is one, and the output end of the motor 340 is connected to one of the driving shafts 310 , which can reduce the number of motors 340 and reduce costs.

[0034] The frame 100 in this embodiment is square, the number of cross arms 200 is four, the four cross arms 200 are arranged at the four corners of the frame 100, and the number of driving components 300 is four.

[0035] In order to facilitate the installation of the drive shaft 310, in one embodiment, it also includes a mounting plate 130 spanning above the rack 330, the mounting plate 130 is fixedly connected to the frame 100, a groove is opened on the mounting plate 130, the drive shaft 310 is rotatably connected to the mounting plate 130, and the bottom of the spur gear 320 is set through the groove.

[0036] Compared with the prior art: when the steel cage is hoisted to the predetermined position, the motor 340 is turned on to drive the drive shaft 310 to rotate. Under the cooperation of the spur gear 320 and the rack 330, multiple cross arms 200 can be driven to move in the direction close to the steel cage until the cross arms 200 pass into the steel cage. At this time, the installation of the cross arms 200 is completed. When disassembling, it is only necessary to control the motor 340 to reverse to realize the function of moving the cross arms 200 in the direction away from the steel cage, replacing the process of manually adjusting the position of the cross arms 200. It is easy to use and shortens the working hours.

[0037] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by any technician familiar with the technical field within the technical scope disclosed in the present invention should be included in the protection scope of the present invention.

Claims

1. Auxiliary device for cross arm of cylindrical reinforcement cage, characterized in that: It comprises a frame, a plurality of cross arms and a plurality of drive components corresponding to the plurality of cross arms one by one; The plurality of cross arms are evenly arranged along the circumference of the frame, and are slidably connected to the frame along a direction approaching or away from the center of the frame; The driving components all include a driving shaft, a spur gear, a rack and a motor. The driving shaft is rotatably connected to the frame, the spur gear is sleeved on the driving shaft, the rack is fixedly connected to the corresponding cross arm, the spur gear and the rack are meshingly connected, the motor is installed on the frame, and the output end of the motor is connected to the driving shaft.

2. The cylindrical reinforcement cage cross arm auxiliary device according to claim 1 is characterized in that: It also includes a plurality of transmission components, which are mounted on the frame and arranged in sequence between the plurality of drive shafts. The transmission components are connected to two adjacent drive shafts to allow the two adjacent drive shafts to rotate synchronously.

3. The cylindrical reinforcement cage cross arm auxiliary device according to claim 2 is characterized in that: The transmission assembly includes a transmission shaft, two first bevel gears and two second bevel gears. The transmission shaft is rotatably connected to the frame, both ends of the transmission shaft are connected to the two first bevel gears, and the two second bevel gears are fixedly arranged at opposite ends of two adjacent driving shafts. The two first bevel gears on the transmission shaft are respectively meshed and connected with the two second bevel gears on the two adjacent driving shafts.

4. The cylindrical reinforcement cage cross arm auxiliary device according to claim 3 is characterized in that: The number of motors in the plurality of driving assemblies is one, and the output end of the motor is connected to one of the driving shafts.

5. The cylindrical reinforcement cage cross arm auxiliary device according to claim 1 is characterized in that: The frame is square, the number of the cross arms is four, and the four cross arms are arranged at the four corners of the frame, and the number of the driving components is four.

6. The cylindrical reinforcement cage cross arm auxiliary device according to claim 1, characterized in that: It also includes a bearing seat, which is fixedly connected to the frame, a through groove is formed between the bearing seat and the frame, the cross arm is slidably connected to the through groove of the bearing seat, and the sliding path of the rack is staggered with the bearing seat.

7. The cylindrical reinforcement cage cross arm auxiliary device according to claim 6 is characterized in that: The bearing seat is provided with sliding grooves on both sides of the through groove, and sliding blocks are fixedly connected to both sides of the cross arm, and the sliding blocks are slidably connected to the sliding grooves on the corresponding sides.

8. The cylindrical reinforcement cage cross arm auxiliary device according to claim 6 is characterized in that: Two bearing seats are arranged on each cross arm, and the two bearing seats are arranged in sequence along the sliding direction of the cross arm, one of the bearing seats is fixedly connected to the frame, and the other bearing seat is fixedly connected to the frame via a support plate.

9. The cylindrical reinforcement cage cross arm auxiliary device according to claim 6, characterized in that: The supporting seat is provided with triangular plates in sequence away from the center of the frame, one side of the triangular plates is fixedly connected to the supporting seat, and the bottom of the triangular plates is fixedly connected to the frame.

10. The cylindrical reinforcement cage cross arm auxiliary device according to claim 1, characterized in that: It also includes a mounting plate spanning above the rack, the mounting plate is fixedly connected to the frame, a groove is provided on the mounting plate, the drive shaft is rotatably connected to the mounting plate, and the bottom of the spur gear is arranged through the groove.

Images