Auxiliary welding device for cast-in-place pile reinforcement cage

Abstract

The utility model discloses an auxiliary welding device for a cast-in-place pile reinforcement cage, and relates to the technical field of reinforcement cage welding, the auxiliary welding device comprises supports, a square plate and a combined annular frame, the two supports are arranged side by side, four guide rods and a bidirectional ball screw are arranged between the two supports, the four guide rods are distributed in a rectangular shape, and the two ends of the four guide rods are fixed to the supports; the combined type annular frames are arranged, the four electric telescopic rods are installed on the square plate, the four electric telescopic rods are started at the same time to conduct telescopic adjustment, the combined type annular frames of different sizes can be fixed, the combined type annular frames of different sizes can be replaced to adapt to cast-in-place pile reinforcement cages of different diameters, and the combined type annular frames of different sizes can be replaced to be suitable for the cast-in-place pile reinforcement cages of different diameters. And a plurality of fixing holes are uniformly formed in the annular frame, so that the positions and the number of the reinforcing steel bars can be conveniently adjusted according to the requirements of the cast-in-place pile reinforcement cages with different diameters, and compared with an existing device, the device is higher in adjustability and wider in application range.

Description

Technical Field

[0001] The utility model relates to the technical field of steel cage welding, in particular to an auxiliary welding device for a cast-in-place pile steel cage. Background Art

[0002] Pile foundations are divided into precast piles and cast-in-place piles according to the construction method. Cast-in-place piles refer to drilling holes on the construction site as required, then placing steel cages and pouring concrete. They have low construction difficulty and are not restricted by the number of mechanical equipment. The steel cage, an important component of cast-in-place piles, is composed of multiple steel bars welded together. Its function is to improve the tensile strength of cast-in-place piles.

[0003] After searching, the patent authorization announcement number is CN 220825624 U discloses an auxiliary welding device for cast-in-place pile steel cage, "including a base, a clamping assembly and an adjustment assembly, the clamping assembly is arranged above the base, the clamping assembly is provided with two, the two clamping assemblies are symmetrically arranged, one clamping assembly is fixed above the base, and the other clamping assembly is slidably arranged above the base, the adjustment assembly is arranged in one end of the base, and the adjustment assembly is arranged below the sliding clamping assembly, the clamping assembly includes an annular frame, a driving platform, a clamping screw, a clamping guide rod, a baffle, a clamping slider, a clamping ring, a driving bevel gear, a clamping bevel gear and a clamping knob". However, in the actual binding process of the steel cage, the number of longitudinal steel bars and the diameter of the longitudinal steel bars of steel cages of different specifications (diameters) are usually different. Usually, as the specifications of the steel cage gradually increase, the number of longitudinal steel bars will increase, and the diameter of the longitudinal steel bars will also increase. The number and size of the clamping rings of the above-mentioned existing device cannot be adjusted. Therefore, its auxiliary welding effect on steel cages of different specifications is poor, the adaptability is narrow, and the practicality is not strong enough. Utility Model Content

[0004] The purpose of the utility model is to provide an auxiliary welding device for a cast-in-place pile reinforcement cage to solve the problems raised in the above background technology.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] The auxiliary welding device for cast-in-place pile reinforcement cage includes a bracket, a square plate and a combined annular frame, two of the brackets are arranged side by side, four guide rods and a bidirectional ball screw are arranged between the two brackets, the four guide rods are distributed in a rectangular shape and are fixed to the brackets at both ends, the bidirectional ball screw is located in the middle of the four guide rods, and the bidirectional ball screw is rotatably connected to the brackets on both sides through bearings, one end of the bidirectional ball screw is directly connected to the output shaft of the motor installed on the bracket, screw nuts are installed on the two opposite threads of the bidirectional ball screw, a square plate is installed on the screw nut, and a square is opened on the square plate. The four guide rods pass through the through holes, and one side of the square plate is equipped with electric telescopic rods in the four directions of up, down, left and right. The piston ends of the four electric telescopic rods abut against the inner ring surface of the combined annular frame. The combined annular frame is provided with fixing holes at equal intervals in an annular shape, and fixing components are installed in the fixing holes. A number of steel bar fixing components are evenly distributed on the combined annular frame, and the steel bar fixing components are fixed to the combined annular frame through the fixing components. The steel bar fixing components include a mounting plate and a second screw. A steel bar clamp is provided on the mounting plate, and a second screw is installed on the mounting plate.

[0007] As a further solution of the present invention: the combined annular frame includes a first arc-shaped rod, a second arc-shaped rod, a plug and a slot, and the two ends of the first arc-shaped rod and the two ends of the second arc-shaped rod are respectively provided with a plug and a slot, and the first arc-shaped rod and the second arc-shaped rod are plugged in through the plug and the slot, and a screw hole is opened on the side of the plug, and the screw hole and the side of the slot are equipped with a first screw thread.

[0008] As a further solution of the present invention: the steel bar clamp is in the shape of an isosceles trapezoid.

[0009] As a further solution of the present invention: the fixing assembly includes a screw and a hexagonal nut, and the screw passes through the fixing holes provided on the mounting plate and the combined annular frame and is threadedly connected with the hexagonal nut.

[0010] As a further solution of the present invention: the four electric telescopic rods are evenly distributed on the square plate with the center of the square plate as the center of the circle.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] 1. The utility model sets a combined annular frame and installs four electric telescopic rods on the square plate. The four electric telescopic rods are started at the same time for telescopic adjustment, so that combined annular frames of different sizes can be fixed. By replacing combined annular frames of different sizes, cast-in-place pile reinforcement cages of different diameters can be adapted. In addition, a number of fixing holes are evenly opened on the annular frame, which can facilitate the adjustment of the position and quantity of the reinforcement according to the requirements of cast-in-place pile reinforcement cages of different diameters. Compared with the existing devices, the utility model has higher adjustability and a wider range of applications.

[0013] 2. The utility model provides a steel bar fixing assembly. The isosceles trapezoidal steel bar clamps on the steel bar fixing parts can meet the clamping needs of steel bars of various diameters, so that users can replace steel bars of different diameters according to construction requirements to better meet usage needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall structure of the auxiliary welding device for cast-in-place pile reinforcement cage.

[0015] Figure 2 Auxiliary welding device for cast-in-place pile reinforcement cage Figure 1 Side view of .

[0016] Figure 3 Auxiliary welding device for cast-in-place pile reinforcement cage Figure 2 Schematic diagram of the structure of the combined ring frame.

[0017] 1. Bracket; 2. Bidirectional ball screw; 3. Guide rod; 4. Motor; 5. Square plate; 6. Screw nut; 7. Electric telescopic rod; 8. Combined ring frame; 801. First arc rod; 802. Second arc rod; 803. Plug; 804. Slot; 805. Screw hole; 806. First screw; 9. Rebar fixing assembly; 901. Mounting plate; 902. Rebar clamp; 903. Second screw; 10. Fixing assembly; 11. Fixing hole. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] See also Figure 1-2In the embodiment of the present utility model, the auxiliary welding device for bored pile reinforcement cage includes a bracket 1, a square plate 5 and a combined annular frame 8. Two brackets 1 are arranged side by side, and four guide rods 3 and a bidirectional ball screw 2 are arranged between the two brackets 1. The four guide rods 3 are distributed in a rectangular shape and are fixed to the bracket 1 at both ends. The bidirectional ball screw 2 is located in the middle of the four guide rods 3, and the bidirectional ball screw 2 is rotatably connected to the brackets 1 on both sides through bearings. One end of the bidirectional ball screw 2 is directly connected to the output shaft of the motor 4 installed on the bracket 1, and screw nuts 6 are installed on the two opposite threads of the bidirectional ball screw 2. A square plate 5 is installed on the screw nut 6. A through hole is opened on the square plate 5 for convenient passage of the four guide rods 3. The setting of the bidirectional ball screw 2 can adapt to the auxiliary welding of bored pile reinforcement cages of different lengths.

[0020] See also Figure 1-2 , one side of the square plate 5 is equipped with an electric telescopic rod 7 in the four directions of up, down, left and right. The four electric telescopic rods 7 are evenly distributed on the square plate 5 with the center of the square plate 5 as the center of the circle. The piston ends of the four electric telescopic rods 7 are in contact with the inner ring surface of the combined annular frame 8. The four electric telescopic rods 7 are connected to the external power supply through a synchronous switch and are synchronously controlled by the synchronous switch. The combined annular frame 8 is provided with fixing holes 11 at equal intervals in a ring shape. A fixing assembly 10 is installed in the fixing hole 11. A plurality of steel bars are evenly distributed on the combined annular frame 8 The fixing assembly 9, the steel bar fixing assembly 9 is fixed to the combined annular frame 8 through the fixing assembly 10. The fixing assembly 10 includes a screw and a hexagonal nut. The screw passes through the fixing hole 11 opened on the mounting plate 901 and the combined annular frame 8 and is threadedly connected with the hexagonal nut. The steel bar fixing assembly 9 includes a mounting plate 901 and a second screw 903. A steel bar clamp 902 is opened on the mounting plate 901. The steel bar clamp 902 is in the shape of an isosceles trapezoid. This arrangement can adapt to steel bars of different diameters. A second screw 903 is installed on the mounting plate 901.

[0021] See also Figure 3 The combined ring frame 8 includes a first arc-shaped rod 801, a second arc-shaped rod 802, a plug 803 and a slot 804. Both ends of the first arc-shaped rod 801 and the two ends of the second arc-shaped rod 802 are respectively provided with plugs 803 and slots 804. The first arc-shaped rod 801 and the second arc-shaped rod 802 are plugged into the slots 804 through the plugs 803. A screw hole 805 is provided on the side of the plug 803. The screw hole 805 is threadedly installed with a first screw 806 on the side of the slot 804. The detachable design of the combined ring frame 8 can facilitate the installation and disassembly of the combined ring frame 8.

[0022] The working principle of this utility model is:

[0023] When in use, first adjust the distance between the two square plates 5 on the device according to the requirements of the length of the cast-in-place pile reinforcement cage in the drawing, start the motor 4 during adjustment, the motor 4 drives the bidirectional ball screw 2 to rotate, and the bidirectional ball screw 2 drives the two square plates 5 to move synchronously to the sides or the middle under the guidance of the four guide rods 3. When moved to the specified position, the combined annular frame 8 of the corresponding size is closed from both sides of the square plate 5, and the two arc rods are combined into an annular frame using the plug 803 and the slot 804, and then the combined annular frame 8 is fixed with the first screw 806, and then the synchronous screw 806 is used to fix the combined annular frame 8. The switch starts the four electric telescopic rods 7, and the four electric telescopic rods 7 extend synchronously until the piston end contacts the combined annular frame 8. At this time, the combined annular frame 8 is fixed relatively to the four electric telescopic rods 7. Then, according to the requirements of the cast-in-place pile reinforcement cage for the number of steel bars, the steel bar fixing components 9 are arranged on the combined annular frame 8, and then the two ends of the longitudinal steel bars are inserted into the symmetrically arranged steel bar fixing components 9. The steel bars are fixed by turning the second screw 903. Finally, stirrups are arranged around the fixed longitudinal steel bars, and the stirrups are tied or welded to the longitudinal steel bars.

[0024] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A device for auxiliary welding of cast-in-place pile reinforcement cage, comprising a bracket (1), a square plate (5) and a combined annular frame (8), characterized in that: Two brackets (1) are arranged side by side, and four guide rods (3) and a bidirectional ball screw (2) are arranged between the two brackets (1). The four guide rods (3) are distributed in a rectangular shape and are fixed to the brackets (1) at both ends. The bidirectional ball screw (2) is located in the middle of the four guide rods (3), and the bidirectional ball screw (2) is rotatably connected to the brackets (1) on both sides through bearings. One end of the bidirectional ball screw (2) is directly connected to the output shaft of the motor (4) installed on the bracket (1). Screw nuts (6) are installed on the two opposite threads of the bidirectional ball screw (2). A square plate (5) is installed on the screw nut (6). The square plate (5) is provided with a through hole for the four guide rods (3) to pass through. One side of the square plate (5) faces Electric telescopic rods (7) are installed in the four directions of upper, lower, left and right. The piston ends of the four electric telescopic rods (7) are in contact with the inner ring surface of the combined annular frame (8). The combined annular frame (8) is provided with fixing holes (11) at equal intervals in an annular shape. A fixing assembly (10) is installed in the fixing hole (11). The combined annular frame (8) is evenly distributed with a plurality of steel bar fixing assemblies (9). The steel bar fixing assembly (9) is fixed to the combined annular frame (8) through the fixing assembly (10). The steel bar fixing assembly (9) includes a mounting plate (901) and a second screw (903). The mounting plate (901) is provided with a steel bar clamp (902). The mounting plate (901) is provided with a second screw (903).

2. The auxiliary welding device for cast-in-place pile reinforcement cage according to claim 1, characterized in that: The combined annular frame (8) comprises a first arc-shaped rod (801), a second arc-shaped rod (802), a plug (803) and a slot (804); both ends of the first arc-shaped rod (801) and the second arc-shaped rod (802) are respectively provided with a plug (803) and a slot (804); the first arc-shaped rod (801) and the second arc-shaped rod (802) are plugged into the slot (804) through the plug (803); a screw hole (805) is provided on a side surface of the plug (803); and a first screw (806) is installed on the side surface of the screw hole (805) and is threadedly engaged with the side surface of the slot (804).

3. The auxiliary welding device for cast-in-place pile reinforcement cage according to claim 1, characterized in that: The steel bar clamping opening (902) is in the shape of an isosceles trapezoid.

4. The auxiliary welding device for cast-in-place pile reinforcement cage according to claim 1, characterized in that: The fixing assembly (10) comprises a screw and a hexagonal nut. The screw passes through the fixing holes (11) provided on the mounting plate (901) and the combined annular frame (8) and is then threadedly connected to the hexagonal nut.

5. The auxiliary welding device for cast-in-place pile reinforcement cage according to claim 1, characterized in that: The four electric telescopic rods (7) are evenly distributed on the square plate (5) with the center of the square plate (5) as the center of the circle.

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