CN116393628A - Semi-automatic rolling machine for bored concrete pile reinforcement cage and use method - Google Patents

Abstract

The invention provides a semi-automatic rolling machine for a bored concrete pile reinforcement cage and a use method thereof, wherein the semi-automatic rolling machine comprises a longitudinal reinforcement positioning welding platform and a transverse spiral reinforcement welding platform, reinforcement cage limiting devices are arranged on the longitudinal reinforcement positioning welding platform and the transverse spiral reinforcement welding platform, the spacing between longitudinal reinforcement and transverse reinforcement of the reinforcement cage is controlled through a longitudinal reinforcement equidistant positioning device and a reinforcement cage rotary translation driving device, and semi-automatic rotary welding is performed.

Description

A semi-automatic roll-on machine for cast-in-situ pile reinforcement cage and its use method

technical field

The application relates to the technical field of engineering construction, in particular, to a semi-automatic rolling-on-rolling machine for cast-in-place pile reinforcement cages and a method of use thereof.

Background technique

Nowadays, bored cast-in-place piles are widely used in various professional fields such as construction engineering, municipal engineering, and highway engineering. However, most of the steel cages of cast-in-place piles are still made by workers rolling and welding one by one on the steel ring by hand. The construction efficiency is low and the precision is poor, and rework and rewelding are often caused by too large or too small steel bar spacing. In the scene where cast-in-situ pile technology is used in a large area, the progress of the project is greatly hindered, and the purchase and installation of a large steel cage roll welding machine is high in cost, installation and dismantling, which greatly increases the construction cost and affects the overall construction. Site schedule and construction cost control.

Contents of the invention

The technical problem to be solved by the present invention is to provide a semi-automatic roll-on machine for cast-in-situ pile reinforcement cage and its use method in view of the above-mentioned existing problems. Through the test data and debugging, the positioning welding platform for longitudinal reinforcement and the welding platform for horizontal spiral reinforcement are used respectively. Cage vertical and horizontal steel bars are semi-automatically rotated and welded.

The embodiment of the application is realized like this:

The embodiment of the present application provides a semi-automatic roll-on machine for cast-in-place pile reinforcement cage, which is characterized in that it includes a longitudinal reinforcement positioning welding platform and a transverse spiral reinforcement welding platform, and the longitudinal reinforcement positioning welding platform and the transverse spiral reinforcement welding platform are equipped with reinforcement bars Cage limit device;

The longitudinal reinforcement positioning welding platform includes a longitudinal welding platform body, a steel cage rotation auxiliary support device and a longitudinal reinforcement equidistant positioning device. The reinforcement cage rotation auxiliary support device is installed at the middle position of the longitudinal welding platform body, and the reinforcement cage rotation auxiliary support The left and right sides of the device are symmetrically provided with the reinforcement cage limiting device, and the longitudinal reinforcement equidistant positioning device is arranged on one side of the reinforcement cage;

The horizontal spiral steel bar welding platform includes a horizontal welding platform body and a steel cage rotation and translation driving device. The steel cage rotation and translation driving device is installed in the middle of the horizontal welding platform body. There is a steel cage limit device.

In some optional embodiments, the reinforcement cage limiting device includes a limiting plate, a limiting tooth plate and a support plate, the limiting tooth plate is laid on the body of the longitudinal welding platform, and the limiting plate It is arranged obliquely, the bottom is hingedly connected with the longitudinal welding platform body, the top end of the support plate is hingedly connected with the middle part of the limiting plate, and the bottom end is engaged with the limiting tooth plate to limit the position.

In some optional embodiments, the auxiliary support device for the rotation of the steel cage is a universal ball bearing, including a plurality of balls, and a plurality of ball installation grooves are arranged in the middle of the longitudinal welding platform body, and the plurality of balls are arranged in turn. Embedded in the multiple ball installation grooves, the multiple balls are in contact with the reinforcement cage.

In some optional embodiments, the equidistant positioning device for longitudinal steel bars includes a positioning seat, a spacing adjustment rod and a one-way spring pressing rod, the positioning seat is fixed on the body of the longitudinal welding platform, and the spacing adjustment rod One end is connected at an angle with one end of the one-way spring pressing rod, and the joint is hingedly connected with the positioning seat. The other end of the pressing rod is elastically folded downward.

In some optional embodiments, the driving device for rotating and translating the reinforcement cage includes a rotating platform, a rotating driving mechanism and a plurality of rotating rollers, and the rotating platform is fixed on the body of the transverse welding platform through a fixed beam, so The plurality of rotating rollers are arranged in parallel on the top of the rotating platform, and are connected with the rotating platform through bearings to form a steel cage rotating roller table. The rotating drive mechanism is installed on the rotating platform and connected with the plurality of rotating rollers.

In some optional embodiments, the adjustable reinforcement pre-set plate includes a storage plate, an adjustment collar and a tightening bolt, the adjustment collar is covered with the distance adjustment rod, and the distance adjustment rod is connected by the tightening bolt and the distance adjustment rod. Fastened and positioned, the storage plate is horizontally fixed on the adjusting collar.

In some optional embodiments, the one-way spring pressing rod is a two-section rod connected through a hinge, and is divided into a turning rod and a hinged rod. The middle parts of the flipping rod and the hinged rod are respectively connected to the reset The two ends of the spring are connected, the return spring is set around the top of the rotating shaft, and the top of the end of the turning lever corresponding to the position of the rotating shaft is provided with a one-way blocking piece extending backward.

In some optional embodiments, the rotary driving mechanism includes a driving motor and a transmission assembly, the transmission assembly includes a driving wheel, a driven wheel and a transmission belt, and the driving wheel is connected to the output shaft of the driving motor, so The driven wheel is connected to the shaft ends of the plurality of rotating rollers, and the transmission belt is wound on the driving wheel and the driven wheel.

In some optional embodiments, the plurality of rotating rollers are covered with polyurethane anti-slip sleeves, the center of the bottom of the rotating platform is positioned by fastening bolts, and the side of the bottom is provided with a metal pressure plate to assist positioning, and the metal pressure plate passes through Bolts are fixed on the fixed beam.

A method for using a semi-automatic roll-on machine for cast-in-situ pile reinforcement cage, characterized in that it includes the following steps:

S1) Select the steel cage manufacturing site and level it out. According to the length of the steel cage, prepare a plurality of longitudinal steel bar positioning welding platforms and horizontal spiral steel bar welding platforms and arrange them in sequence along the axial direction;

S2) According to the requirements of the design drawings, determine the spacing of the longitudinal reinforcement, adjust the position of the adjustable reinforcement presetting plate on the spacing adjustment rod, and adjust the axial angle between the multiple rotating rollers and the reinforcement cage to determine the spacing of the transverse spiral reinforcement ;

S3) Place the inner fixing ring of the steel cage on the universal ball bearing platform on the positioning welding platform for longitudinal steel bars, place the first longitudinal steel bar on the adjustable steel bar preset plate, and manually rotate the spacing adjustment lever counterclockwise until The first longitudinal steel bar is close to the inner fixing ring of the steel cage, and welded and fixed in time;

S4) After the first longitudinal steel bar is welded, turn the spacing adjustment lever clockwise so that the one-way spring pressure bar is folded over the first longitudinal steel bar, and the second longitudinal steel bar is placed on the adjustable steel bar preset plate, and then Rotate the spacing adjustment lever counterclockwise, and the one-way spring pressure lever will abut against the first longitudinal steel bar downwards, so that the inner fixing ring of the steel cage rotates clockwise until the second longitudinal steel bar is close to the inner fixing ring of the steel cage, and then it is in time again. Fix by welding;

S5) After the welding of the second longitudinal reinforcement is completed, repeat step S4 until the welding of the entire longitudinal reinforcement is completed;

S6) Place the steel cage with all the welded longitudinal reinforcement on the rotating platform of the horizontal spiral reinforcement welding platform, and weld the end point of the horizontal spiral reinforcement of the reinforcement cage to the head end of the reinforcement cage;

S7) Start the driving motor to drive the rotating roller to rotate, drive the steel cage to rotate and move at a constant speed in the axial direction, wind the horizontal spiral steel bars equidistantly according to the drawing requirements, and weld and fix all the contact points to complete the production of the whole steel cage.

The beneficial effects of the application are: a semi-automatic roll-on machine for cast-in-situ pile reinforcement cage and its use method provided by the application, through the positioning welding platform of longitudinal reinforcement and the welding platform of horizontal spiral reinforcement, the positioning welding of the longitudinal reinforcement of the reinforcement cage and the horizontal spiral reinforcement of the reinforcement cage are respectively completed Positioning welding precisely controls the spacing of longitudinal and transverse steel bars, improves the efficiency of steel cage production, and effectively improves the construction progress and work efficiency of cast-in-situ pile foundations; the use process has low requirements for the use environment, and does not require professional production workshops and electrical equipment less, greatly reducing the hidden dangers of mechanical injury and electrical injury, high safety, greatly saving engineering costs and construction period costs, and reducing the risk of mechanical injury; the overall equipment cost is low, the structure is simple, the failure rate is low, and the accuracy is high It is easy to operate and can be combined with steel cage welding platforms of various lengths according to the needs of the site, and has strong applicability on site.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the accompanying drawings that are required in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present application, and thus It should be regarded as a limitation on the scope, and those skilled in the art can also obtain other related drawings based on these drawings without creative work.

Fig. 1 is the front view of the longitudinal reinforcement positioning welding platform and the embodiment of the present application;

Fig. 2 is the side view of the longitudinal reinforcement positioning welding platform of the embodiment of the present application;

Fig. 3 is a top view of the longitudinal reinforcement positioning welding platform of the embodiment of the present application;

Figure 4a is a schematic diagram of the welding state of the first longitudinal steel bar of the embodiment of the present application;

Figure 4b is a schematic diagram of the completion of welding of the first longitudinal steel bar of the embodiment of the present application;

Fig. 4c is the schematic diagram of the welding preparation of the second longitudinal steel bar of the embodiment of the present application;

Figure 4d is a schematic diagram of the welding state of the second longitudinal reinforcement in the embodiment of the present application;

Fig. 5 is the front view of the horizontal spiral reinforcement welding platform of the embodiment of the present application;

Fig. 6 is the side view of the transverse spiral reinforcement welding platform of the embodiment of the present application;

Fig. 7 is the top view of the horizontal spiral reinforcement welding platform of the embodiment of the present application;

Fig. 8 is a front view of the driving device for rotating and translating the steel cage according to the embodiment of the present application.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, not all of them. The components of the embodiments of the application generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

Accordingly, the following detailed description of the embodiments of the application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of the application. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

It should be noted that like numerals and letters denote similar items in the following figures, therefore, once an item is defined in one figure, it does not require further definition and explanation in subsequent figures.

In the description of this application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship that is usually placed when the application product is used, and is only for the convenience of describing the application and simplifying the description, rather than indicating or implying References to devices or elements must have a particular orientation, be constructed, and operate in a particular orientation and therefore should not be construed as limiting the application. In addition, the terms "first", "second", "third", etc. are only used for distinguishing descriptions, and should not be construed as indicating or implying relative importance.

In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are absolutely horizontal or overhanging, but may be slightly inclined. For example, "horizontal" only means that its direction is more horizontal than "vertical", and it does not mean that the structure must be completely horizontal, but can be slightly inclined.

In the description of this application, it should also be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "installation", "connection", and "connection" should be understood in a broad sense, for example, it can be a fixed connection, It can also be a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in this application in specific situations.

In this application, unless otherwise expressly specified and limited, a first feature being "on" or "under" a second feature may include direct contact between the first and second features, and may also include the first and second features Not in direct contact but through another characteristic contact between them. Moreover, "above", "above" and "above" the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. "Below", "beneath" and "under" the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

The characteristics and performance of the present application will be described in further detail below in conjunction with the examples.

The invention discloses a semi-automatic roll-on machine for reinforced cages of cast-in-place piles, which comprises a longitudinal reinforcing bar positioning welding platform and a transverse spiral reinforcing bar welding platform, both of which are provided with reinforcing cage limiting devices. It is divided into two production sections, namely, the longitudinal steel bar positioning welding section of the steel cage and the horizontal spiral steel bar positioning welding section of the steel cage. There is no need for a professional production workshop, and the inventive equipment can be used to manufacture the steel cage on the construction site.

As shown in Figures 1-3, the longitudinal reinforcement positioning welding platform includes a longitudinal welding platform body 1, a reinforcement cage rotation auxiliary support device and a longitudinal reinforcement equidistant positioning device, and the reinforcement cage rotation auxiliary support device is installed in the middle of the longitudinal welding platform body , the left and right sides of the reinforcement cage rotation auxiliary support device are symmetrically provided with a reinforcement cage limiting device, and the longitudinal reinforcement equidistant positioning device is arranged corresponding to one side of the reinforcement cage 2 .

The horizontal spiral steel bar welding platform includes a horizontal welding platform body 3 and a steel cage rotation and translation driving device. The steel cage rotation and translation driving device is installed in the middle of the horizontal welding platform body. Limiter.

The steel cage limiting device includes a limiting plate 4, a limiting tooth plate 5 and a supporting plate 6. The limiting tooth plate is laid on the longitudinal welding platform body, the limiting plate is arranged obliquely, the bottom is hingedly connected with the longitudinal welding platform body, and the supporting plate The top end is hingedly connected with the middle part of the limiting plate, and the bottom end is engaged with the limiting tooth plate to limit the position. The support plate changes the card and position on the limit tooth plate, and performs multi-angle adjustment of the limit plate to adapt to the production of steel cages with different diameters. After the production is completed, it can be folded and stored.

The auxiliary support device for the rotation of the steel cage is a universal ball bearing platform, including a plurality of balls 7, and a plurality of ball installation grooves 8 are arranged in the middle of the longitudinal welding platform body, and a plurality of balls are embedded in the plurality of ball installation grooves in turn, and a plurality of balls in contact with the reinforcement cage. During the rolling welding of the steel cage, the universal ball bearing reduces the rotational friction of the steel cage and facilitates the rotation of the steel cage.

In some optional embodiments, the balls can be made of thick-walled hollow steel balls, and the ball installation groove is a cube groove whose side length is slightly larger than the diameter of the balls, and lubricating butter is stored in the balls to lubricate the rolling balls.

The equidistant positioning device for longitudinal steel bars includes a positioning seat 9, a spacing adjusting rod 10 and a one-way spring pressing bar 11, the positioning seat is fixed on the body of the longitudinal welding platform, and one end of the spacing adjusting bar is connected at an angle with one end of the one-way spring pressing bar. The joint is hingedly connected with the positioning seat, the other end of the distance adjusting rod is an operating handle 12, the distance regulating rod is provided with an adjustable steel bar preset plate 13, and the other end of the one-way spring pressure bar is elastically folded downward. The preset of the longitudinal reinforcement and the rotation of the reinforcement cage can be realized by forward and reverse rotation of the spacing adjustment rod. According to the requirements of the drawing, adjust the position of the adjustable steel bar preset plate on the spacing adjustment rod, and then adjust the spacing of the longitudinal steel bars to adapt to the welding production of various longitudinal steel bar spacing.

In some optional embodiments, the adjustable reinforcement pre-set plate includes a storage board 14, an adjustment collar 15 and a tightening bolt 16, and the adjustment collar is placed on the distance adjustment rod, and the distance adjustment rod is fastened and positioned by the tightening bolt and the distance adjustment rod. , the storage board is horizontally fixed on the adjusting collar. The longitudinal reinforcing bar to be welded is first placed on the storage board, and the spacing adjusting rod is rotated counterclockwise, and the longitudinal reinforcing bar to be welded is approached to the internal fixing ring 17 of the reinforcement cage until it contacts. At this moment, the welding construction of the longitudinal reinforcing bar can be carried out.

In some optional embodiments, the one-way spring pressing bar is a two-section bar that is hingedly connected by a rotating shaft, and is divided into a turning bar 18 and a hinged bar 19, and the middle parts of the turning bar and the hinged bar are connected with the return spring 20 respectively. The two ends are connected, the back-moving spring is set around the top of the rotating shaft, and the top of the end of the folding lever corresponding to the position of the rotating shaft is provided with a one-way blocking plate 21 extending backward. The turning rod can rotate around the rotating shaft and return to its position under the action of the return spring. Due to the setting of the one-way stopper, when the turning-up rod turns upwards, the one-way stopper will be blocked by the hinge rod and cannot turn upwards. Can be turned down.

As shown in Figures 5-7, the driving device for rotating and translating the steel cage includes a rotating bearing platform 22, a rotating driving mechanism 23 and a plurality of rotating rollers 24. The rotating bearing platform is fixed on the body of the transverse welding platform through a fixed beam 25. The rollers are arranged in parallel on the top of the rotating platform, and are connected with the rotating platform through bearings to form a steel cage rotating roller table. The rotating drive mechanism is installed on the rotating platform and connected with multiple rotating rollers. The included angle between the rotary cap and the axis of the reinforcement cage can be adjusted, thereby changing the speed of the axial movement of the reinforcement cage and achieving the purpose of controlling the spacing of the transverse spiral reinforcement.

In some optional embodiments, the rotary drive mechanism includes a driving motor 26 and a transmission assembly, the transmission assembly includes a driving wheel 27, a driven wheel 28 and a transmission belt 29, the driving wheel is connected to the output shaft of the driving motor, and the driven wheel is connected to a plurality of The shaft ends of the rotating rollers are connected, and the transmission belt is wound on the driving wheel and the driven wheel, and the driving motor drives multiple rotating rollers to rotate, driving the steel cage to rotate and move.

In some optional embodiments, multiple rotating rollers are coated with polyurethane anti-slip sleeves, so that no slippage will occur when in contact with the steel cage; the center of the bottom of the rotating platform is positioned by fastening bolts 30, and a metal pressure plate 31 is provided on the bottom side Auxiliary positioning, the metal pressure plate is fixed on the fixed beam by bolts, and a layer of rubber gasket can be added under the metal pressure plate to increase the friction force, improve the fixing effect, and play a role in reducing vibration and noise.

Using the above-mentioned cast-in-place pile reinforcement cage semi-automatic roll-on machine to manufacture the reinforcement cage includes the following steps:

S1) Select the steel cage manufacturing site and level it out. According to the length of the steel cage, prepare a plurality of longitudinal steel bar positioning welding platforms and horizontal spiral steel bar welding platforms and arrange them in sequence along the axial direction;

S2) According to the requirements of the design drawings, determine the spacing of the longitudinal reinforcement, adjust the position of the adjustable reinforcement presetting plate on the spacing adjustment rod, and adjust the axial angle between the multiple rotating rollers and the reinforcement cage to determine the spacing of the transverse spiral reinforcement ;

S3) Place the inner fixing ring of the reinforcement cage on the universal ball bearing platform on the positioning welding platform of the longitudinal reinforcement, place the first longitudinal reinforcement 32 on the adjustable reinforcement presetting plate, manually rotate the spacing adjustment rod counterclockwise, Until the first longitudinal steel bar is close to the fixing ring in the steel cage, and welded and fixed in time (see Figure 4a);

S4) After the first longitudinal steel bar is welded, turn the spacing adjustment lever clockwise so that the one-way spring pressure bar is turned over (see Figure 4b), and cross the first longitudinal steel bar, and place the second longitudinal steel bar 33 on the Adjust the steel bar preset plate (see Figure 4c), and then rotate the distance adjustment lever counterclockwise, the one-way spring pressure bar will abut the first longitudinal steel bar downwards, so that the fixing ring in the steel cage rotates clockwise until the second vertical steel bar The longitudinal reinforcement is tightly attached to the inner fixing ring of the reinforcement cage, and welded and fixed again in time (see Figure 4d);

S5) After the welding of the second longitudinal reinforcement is completed, repeat step S4 until the welding of the entire longitudinal reinforcement is completed;

S6) Place the steel cage with all the welded longitudinal reinforcement on the rotating platform of the horizontal spiral reinforcement welding platform, and weld the end point of the horizontal spiral reinforcement of the reinforcement cage to the head end of the reinforcement cage;

S7) Start the driving motor to drive the rotating roller to rotate, drive the steel cage to rotate and move at a constant speed in the axial direction, wind the horizontal spiral steel bars equidistantly according to the drawing requirements, and weld and fix all the contact points to complete the production of the whole steel cage.

The invention adopts the longitudinal steel bar positioning welding platform and the horizontal spiral steel bar welding platform to realize the semi-automatic production of the steel bar cage. The structure is simple, easy to operate, the finished product rate of the steel bar cage is high, the welding efficiency and construction progress are effectively improved, and the equipment failure rate is low without excessive equipment Maintenance, good durability, high output ratio; the vertical steel bar positioning welding platform and the horizontal spiral steel bar welding platform are small in size and occupy a small area. The hidden dangers of mechanical injury and electrical injury are eliminated, and the safety is high, which meets the requirements of safe and civilized construction.

Claims (10)

1. The semi-automatic rolling machine for the bored concrete pile reinforcement cage is characterized by comprising a longitudinal reinforcement positioning and welding platform and a transverse spiral reinforcement welding platform, wherein reinforcement cage limiting devices are arranged on the longitudinal reinforcement positioning and welding platform and the transverse spiral reinforcement welding platform;

the longitudinal reinforcement positioning welding platform comprises a longitudinal welding platform body, reinforcement cage rotation auxiliary supporting devices and longitudinal reinforcement equidistant positioning devices, wherein the reinforcement cage rotation auxiliary supporting devices are arranged at the middle position of the longitudinal welding platform body, the reinforcement cage limiting devices are symmetrically arranged on the left side and the right side of the reinforcement cage rotation auxiliary supporting devices, and the longitudinal reinforcement equidistant positioning devices are arranged corresponding to one side of the reinforcement cage;

the transverse spiral steel bar welding platform comprises a transverse welding platform body and a steel bar cage rotary translation driving device, wherein the steel bar cage rotary translation driving device is arranged at the middle position of the transverse welding platform body, and steel bar cage limiting devices are symmetrically arranged on the left side and the right side of the steel bar cage rotary translation driving device.

2. The semi-automatic rolling machine for the bored concrete pile steel reinforcement cage according to claim 1, wherein the steel reinforcement cage limiting device comprises a limiting plate, a limiting toothed plate and a supporting plate, the limiting toothed plate is laid on the longitudinal welding platform body, the limiting plate is obliquely arranged, the bottom of the limiting plate is hinged with the longitudinal welding platform body, the top end of the supporting plate is hinged with the middle of the limiting plate, and the bottom end of the supporting plate is clamped and limited by the limiting toothed plate.

3. A machine for semi-automatic rolling of a bored concrete pile steel reinforcement cage according to claim 1 or 2, wherein the rotary auxiliary support means for the steel reinforcement cage is a universal ball bearing platform, and comprises a plurality of balls, a plurality of ball mounting grooves are arranged in the middle of the longitudinal welding platform body, the balls are sequentially embedded in the ball mounting grooves, and the balls are in contact with the steel reinforcement cage.

4. A machine for semi-automatically rolling a reinforcement cage of a bored concrete pile according to claim 3, wherein the equidistant positioning device for longitudinal reinforcement comprises a positioning seat, a spacing adjusting rod and a unidirectional spring pressing rod, the positioning seat is fixed on the longitudinal welding platform body, one end of the spacing adjusting rod is connected with one end of the unidirectional spring pressing rod in an included angle manner, the joint is hinged with the positioning seat, the other end of the spacing adjusting rod is an operating handle, an adjustable reinforcement preset plate is arranged on the spacing adjusting rod, and the other end of the unidirectional spring pressing rod is elastically folded downwards.

5. The machine of claim 4, wherein the rotary translational driving device for steel reinforcement cage comprises a rotary bearing platform, a rotary driving mechanism and a plurality of rotary rollers, the rotary bearing platform is fixed on the transverse welding platform body through a fixed beam, the rotary rollers are arranged at the top of the rotary bearing platform in parallel and are connected with the rotary bearing platform through bearings to form a rotary roller table for steel reinforcement cage, and the rotary driving mechanism is arranged on the rotary bearing platform and connected with the rotary rollers.

6. A machine for semi-automatic rolling of a bored concrete pile reinforcement cage according to claim 4 or 5, wherein the adjustable reinforcement pre-setting plate comprises a placement plate, an adjusting collar and a jack bolt, the adjusting collar is sleeved on the spacing adjustment rod, the placement plate is horizontally fixed on the adjusting collar by the jack bolt and the spacing adjustment rod.

7. The machine of claim 6, wherein the one-way spring compression bar is a two-section bar hinged by a rotation shaft, the two-section bar is divided into a folding bar and a hinge bar, the middle parts of the folding bar and the hinge bar are respectively connected with two ends of a return spring, the return spring is arranged around the top of the rotation shaft, and the top of the tail end of the folding bar corresponding to the position of the rotation shaft is provided with a one-way baffle extending backwards.

8. A machine for semi-automatic rolling of cast-in-place pile cages according to claim 5 or 7, wherein the rotary driving mechanism comprises a driving motor and a transmission assembly, the transmission assembly comprises a driving wheel, a driven wheel and a transmission belt, the driving wheel is connected with an output shaft of the driving motor, the driven wheel is connected with shaft ends of the plurality of rotary rollers, and the transmission belt is wound on the driving wheel and the driven wheel.

9. The machine of claim 8, wherein the plurality of rotary rollers are covered with polyurethane anti-slip sleeves, the center of the bottom of the rotary bearing platform is positioned by fastening bolts, the side edges of the bottom are provided with metal pressing plates for auxiliary positioning, and the metal pressing plates are fixed on the fixed beams by bolts.

10. Use of a semi-automatic machine for rolling a pile reinforcement cage according to claim 5 or 7 or 9, comprising the steps of:

s1) selecting a reinforcement cage manufacturing site, leveling, and respectively preparing a plurality of longitudinal reinforcement positioning welding platforms and transverse spiral reinforcement welding platforms to be sequentially arranged along the axial direction according to the length of the reinforcement cage;

s2) determining the distance between longitudinal steel bars according to the requirements of a design drawing, adjusting the position of an adjustable steel bar preset plate on a distance adjusting rod, and adjusting the axial included angles of a plurality of rotating rollers and a steel bar cage to determine the distance between transverse spiral steel bars;

s3) placing the inner fixing ring of the reinforcement cage on a universal ball bearing platform on a longitudinal reinforcement positioning welding platform, placing a first longitudinal reinforcement on an adjustable reinforcement preset plate, manually rotating a spacing adjusting rod in the anticlockwise direction until the first longitudinal reinforcement clings to the inner fixing ring of the reinforcement cage, and timely welding and fixing;

s4) after the welding of the first longitudinal steel bars is finished, rotating the spacing adjusting rod clockwise to enable the unidirectional spring pressing rod to be folded over the first longitudinal steel bars, placing the second longitudinal steel bars on the adjustable steel bar preset plate, rotating the spacing adjusting rod anticlockwise, enabling the unidirectional spring pressing rod to downwards abut against the first longitudinal steel bars, enabling the fixing ring in the steel bar cage to rotate clockwise until the second longitudinal steel bars cling to the fixing ring in the steel bar cage, and timely welding and fixing again;

s5) after the welding of the second longitudinal steel bar is finished, repeating the step S4 until the welding of the whole longitudinal steel bar is finished;

s6) placing the reinforcement cage with all the longitudinal reinforcement welded on a rotary bearing platform of a transverse spiral reinforcement welding platform, and welding the end points of the transverse spiral reinforcement of the reinforcement cage at the head end of the reinforcement cage;

s7) starting a driving motor to drive a rotating roller to rotate, driving the reinforcement cage to axially rotate at a uniform speed, winding transverse spiral reinforcement bars at equal intervals according to the drawing requirement, and welding and fixing all contact points of the transverse spiral reinforcement bars to finish the manufacturing of the whole reinforcement cage.

Images