Automatic tendon cutting and dismounting equipment and dismounting method for prestressed electric pole tensioning disc

By combining plasma cutting and laser sensors, precise cutting and automatic disassembly of prestressed pole tensioning discs have been achieved, solving the problems of high manual labor intensity and high safety risks in existing technologies, and improving disassembly efficiency and equipment versatility.

CN117001126BActive Publication Date: 2025-12-19BEIHAI JINGYI CONCRETE PROD
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Patent Information

Application Number
CN202310644278.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-06-01
Publication Date
2025-12-19
Estimated Expiration
2043-06-01

AI Technical Summary

Technical Problem

In the existing technology, the disassembly process of the tensioning plate of the prestressed pole has problems such as high manual operation intensity, high safety risk, inaccurate cutting and easy damage to the tooling, and the tensioning plate and the pole are difficult to separate due to stress.

Method used

The system employs a plasma cutting mechanism and a laser sensor to achieve precise cutting of steel bars and automatic disassembly of the tensioning plate. A lifting mechanism and clamping components ensure precise alignment and separation between the equipment and the pole.

Benefits of technology

It enables efficient cutting of reinforcing bars and safe separation of the tensioning plate from the pole, reducing the intensity of manual operation and safety risks, and improving dismantling efficiency and equipment versatility.

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Abstract

The application belongs to the technical field of electric pole production, and particularly relates to a prestressed electric pole tensioning disc automatic steel bar cutting and dismounting equipment and a dismounting method, which comprises a rack, a lifting plate arranged above the rack and a lifting mechanism for driving the lifting plate to move up and down; the lifting plate is provided with a mounting table, the mounting table is slidably provided with a mounting frame, the mounting frame is provided with an electric pole ejection assembly and an electric pole clamping assembly; the lifting plate is further provided with a plasma cutting mechanism, the mounting frame is provided with a first laser sensor and a second laser sensor which are arranged along the vertical direction of the radial direction of the electric pole at intervals, and the distance between the first laser sensor and the second laser sensor is less than the outer diameter of the smallest tensioning disc among all electric pole types. Through the lifting movement of the lifting mechanism and the positioning mode of the double lasers, the axis of the equipment and the axis of the electric pole tensioning disc are accurately positioned at the same horizontal height, and the positioning mode of the double lasers can reduce the stroke of the lifting mechanism, thereby reducing the size of the equipment, saving space and time.
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Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of electric pole production, and particularly relates to a prestressed electric pole tensioning disc automatic reinforcing bar cutting and dismounting device and dismounting method. BACKGROUND

[0002] The prestressed electric pole tensioning disc reinforcing bar cutting and dismounting is an important link in the electric pole production process, and the current situation of the process is that the reinforcing bars connecting the electric pole and the tensioning disc are cut one by one by manual gas welding, and the reinforcing bars and the tensioning disc embedded together are pried out from the narrow hole and gap. The dismounting process of the tensioning disc has the following defects: (1) the manual operation intensity is high in the whole dismounting process, and the safety risk is high, such as electric shock, scald, burn and the like; (2) the gas welding cannot effectively control the cutting thickness, and the space for cutting the reinforcing bar of the tensioning disc is narrow, so the tooling is easily damaged; (3) the electric pole concrete and the tensioning disc are solidified under the action of a large stress, and the joint of the tensioning disc and the electric pole is difficult to pry open due to the action of the stress, and if the joint is forcibly pried open, the electric pole will be damaged, which is not worth the loss.

[0003] Therefore, it is urgent to design an automatic reinforcing bar cutting and dismounting device suitable for the tensioning disc. SUMMARY

[0004] To solve the problems in the background, the application provides a prestressed electric pole tensioning disc automatic reinforcing bar cutting and dismounting device and dismounting method, which realizes the accurate cutting of the reinforcing bar of the tensioning disc, and realizes the separation of the tensioning disc and the electric pole through the electric pole ejection assembly and the electric pole clamping assembly after cutting.

[0005] The application provides a prestressed electric pole tensioning disc automatic reinforcing bar cutting and dismounting device, which comprises a rack, a lifting plate movably arranged above the rack and a lifting mechanism for driving the lifting plate to move up and down.

[0006] The lifting plate is provided with a mounting table protruding from the lifting plate, the mounting table is provided with a mounting frame reciprocally sliding along the electric pole axis direction, and the mounting frame is provided with an electric pole ejection assembly and an electric pole clamping assembly.

[0007] The lifting plate is further provided with a plasma cutting mechanism, the plasma cutting mechanism comprises two oppositely arranged plasma cutting guns, and the plasma cutting guns are located on the same side of the mounting frame as the electric pole ejection assembly and the electric pole clamping assembly.

[0008] The first laser sensor is located below the second laser sensor, and the distance between the first laser sensor and the second laser sensor is less than the outer diameter of the smallest tensioning disc in all electric pole types.

[0009] The third laser sensor is arranged below the plasma cutting gun and senses the position of the tensioning disc to position the spraying direction of the plasma cutting gun to the steel bar in the slit of the tensioning disc.

[0010] Further, the mounting frame comprises at least three mounting columns arranged circumferentially and equidistantly, and an electric pole ejection assembly is arranged at the end of each mounting column.

[0011] A strip-shaped through hole is radially arranged on the inner side of the mounting column and located at the inner side of the electric pole ejection assembly, and the electric pole clamping assembly comprises a clamping cylinder fixed on the side away from the electric pole ejection assembly and a clamping jaw fixedly connected with the piston rod of the clamping cylinder, the clamping jaw penetrates through the strip-shaped through hole and reciprocates along the strip-shaped through hole under the action of the clamping cylinder.

[0012] Further, the electric pole ejection assembly comprises an oil cylinder fixed on the mounting column and an ejection rod connected with the oil cylinder, and the telescopic direction of the ejection rod is towards the tensioning disc.

[0013] Further, a straight slide rail is arranged between the two plasma cutting guns, and the two plasma cutting guns are slidably connected on the straight slide rail through a fixing support; a fourth laser sensor for detecting whether the steel bar exists or not is arranged on the fixing support, and the laser beam of the fourth laser sensor is towards the slit of the tensioning disc.

[0014] Further, a slide rail is arranged on the mounting table along the electric pole axis direction, the mounting frame is slidably connected on the slide rail through a slide block fixed at the bottom, a pushing cylinder is fixed on the mounting table, and the telescopic end of the pushing cylinder is fixedly connected with the mounting frame to drive the mounting frame to reciprocate along the slide rail.

[0015] Further, a traveling wheel is arranged at the bottom of the rack, and a driving mechanism is arranged on the rack to drive the traveling wheel to travel along the electric pole axis direction.

[0016] Further, an organ type protective cover is wrapped on the straight slide rail, and a debris collecting groove is arranged between the two plasma cutting guns.

[0017] The application further provides a dismounting method of the tensioning disc, which comprises the following steps:

[0018] 1) The electric pole is transported to the tensioning disc broken steel and dismounting station by the pole transporting vehicle;

[0019] 2) The lifting mechanism drives the lifting plate to ascend, so that the device axis and the tensioning disc axis are positioned at the same height;

[0020] 3) The mounting frame is driven to move forward, and the third laser sensor stops moving after detecting the end surface of the tensioning disc, at this time, the gun head of the plasma cutting gun is positioned in the slit of the tensioning disc;

[0021] 4) two plasma cutting guns move radially inward into the slits of the tensioning disc, while requesting the pole to rotate, during the pole rotation, when the fourth laser sensor detects that the gun head of the plasma cutting gun has steel bars, it is turned on, otherwise the plasma cutting gun is turned off;

[0022] 5) after half a rotation of the pole, the steel bar cutting is completed, and the two plasma cutting guns are withdrawn;

[0023] 6) the pole ejection assembly and the pole clamping assembly are advanced, the pole clamping assembly clamps the tensioning disc gap and clamps the tensioning disc, and then the pole ejection assembly is used to push against the pole to disassemble the tensioning disc from the pole.

[0024] Further, the method for positioning the device axis and the tensioning disc axis to the same height by driving the lifting mechanism to lift the lifting plate comprises:

[0025] The lifting mechanism scans from bottom to top, when the first laser sensor detects the lower edge of the tensioning disc, the position coordinate OP1 is recorded; the lifting mechanism continues to rise, when the second laser sensor detects the upper edge of the tensioning disc, the position coordinate OP2 is recorded;

[0026] The distance S = OP2-OP1 that the lifting mechanism travels in the range of the tensioning disc is calculated; the outer diameter D of the tensioning disc = S+L, and the radius R = (S+L) / 2; wherein, L is the vertical distance between the first laser sensor and the second laser sensor;

[0027] The coordinate P = OP1+R of the axis position of the tensioning disc in the coordinate system is calculated;

[0028] The lifting mechanism is controlled to run to the target P.

[0029] Compared with the prior art, the beneficial effects of the present application are:

[0030] (1) The first laser sensor and the second laser sensor are vertically arranged on the mounting frame along the radial direction of the pole, and the distance between the first laser sensor and the second laser sensor is less than the outer diameter of the smallest tensioning disc among all pole types. Through the lifting movement of the lifting mechanism and the positioning mode of the double lasers, the device axis and the tensioning disc axis of the pole are accurately positioned at the same height, and the positioning mode of the double lasers can reduce the stroke of the lifting mechanism, thereby reducing the size of the device, saving space and time.

[0031] (2) The automatic reinforcing bar cutting and dismounting equipment for tensioning disc of the present application is provided with a third laser sensor below the plasma cutting gun, which can accurately locate the position of the tensioning disc, so that the spraying direction of the plasma cutting gun is towards the reinforcing bars in the slit of the tensioning disc, the electric pole rotates to drive the reinforcing bars in the tensioning disc to pass through the cutting range of the plasma cutting gun one by one, and the purpose of efficient cutting of reinforcing bars is achieved.

[0032] (3) The automatic reinforcing bar cutting and dismounting equipment for tensioning disc of the present application uses a clamping cylinder to drive a clamping jaw to grab the tensioning disc, and then uses an electric pole ejection assembly to push against the electric pole, so as to separate the tensioning disc and the electric pole, thereby solving the technical problem that the tensioning disc and the electric pole are difficult to pry open due to stress action and narrow joint.

[0033] (4) The tensioning disc dismounting method of the present application scans from bottom to top through the lifting mechanism, so that the first laser sensor and the second laser sensor detect the lower edge and the upper edge of the tensioning disc respectively, and then calculate the axial position of the tensioning disc, and then position the axial center of the equipment and the axial center of the tensioning disc at the same horizontal height through the lifting of the lifting mechanism; and the distance between the first sensor and the second sensor is designed to be smaller than the outer diameter of the smallest tensioning disc among all electric pole types, so that the equipment can be used to dismount tensioning discs of all pole types, and has strong universality. BRIEF DESCRIPTION OF DRAWINGS

[0034] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creative labor.

[0035] Figure 1 The overall structure of the automatic reinforcing bar cutting and dismounting equipment of the present application Figure 1 ;

[0036] Figure 2 The overall structure of the automatic reinforcing bar cutting and dismounting equipment of the present application Figure 2 ;

[0037] Figure 3 The use state diagram of the automatic reinforcing bar cutting and dismounting equipment of the present application

[0038] Wherein: 1-frame, 11-traveling wheel, 12-driving mechanism, 2-lifting plate, 3-lifting mechanism, 31-mounting table, 311-slideway, 32-mounting frame, 321-mounting column, 322-bar-shaped through hole, 33-advancing cylinder, 4-electric pole ejection assembly, 41-oil cylinder, 42-ejection rod, 5-electric pole clamping assembly, 51-clamping cylinder, 52-clamping jaw, 6-plasma cutting mechanism, 61-plasma cutting gun, 62-linear slideway, 63-fixed support, 64-fourth laser sensor, 65-grounding device, 7-first laser sensor, 8-second laser sensor, 9-third laser sensor, 10-electric pole steel mold, 101-tensioning disc. DETAILED DESCRIPTION

[0039] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0040] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application. Figure 1 The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application. Figure 3 The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0041] As Figures 1-3As shown, the prestressed electric pole tensioning disc automatic steel bar cutting and dismounting equipment comprises a rack 1, a lifting plate 2 movably arranged above the rack 1, and a lifting mechanism 3 for driving the lifting plate 2 to move up and down, wherein the lifting mechanism 3 comprises a lifting motor (not shown in the figure), and the lifting motor provides power to drive the lifting plate 2 to move up and down; the lifting plate 2 is provided with a mounting table 31 protruding from the lifting plate 2, the mounting table 31 is provided with a mounting frame 32 sliding back and forth along the electric pole axis direction, the mounting frame 32 is provided with an electric pole ejection assembly 4 and an electric pole clamping assembly 5, the electric pole clamping assembly 5 is used for clamping the tensioning disc 101, and the electric pole ejection assembly 4 is used for cooperating with the electric pole clamping assembly 5 to eject the electric pole to separate from the tensioning disc 101; the lifting plate 2 is further provided with a plasma cutting mechanism 6, the plasma cutting mechanism 6 comprises two oppositely arranged plasma cutting guns 61, the plasma cutting guns 61 are used for cutting the steel bars in the tensioning disc slit, in the cutting process, the electric pole rotates around the axis, and the plasma cutting guns 61, the electric pole ejection assembly 4 and the electric pole clamping assembly 5 are all located on the same side of the mounting frame 32; the mounting frame 32 is provided with a first laser sensor 7 and a second laser sensor 8 vertically arranged along the electric pole radial direction at intervals, the first laser sensor 7 is located below the second laser sensor 8, and the distance between the first laser sensor 7 and the second laser sensor 8 is less than the outer diameter of the smallest tensioning disc among all electric pole types; the plasma cutting guns 61 are provided with a third laser sensor 9 below, and the third laser sensor 9 senses the position of the tensioning disc 101 to position the spraying direction of the plasma cutting guns 61 to the steel bars in the tensioning disc slit.

[0042] The lifting movement of the lifting mechanism 3 and the positioning mode of the double lasers can realize the accurate positioning of the equipment axis and the electric pole tensioning disc axis at the same horizontal height, and the positioning mode of the double lasers can reduce the stroke of the lifting mechanism 3, thereby reducing the size of the equipment, saving space and time. Meanwhile, the distance between the first sensor 7 and the second sensor 8 is designed to be less than the outer diameter of the smallest tensioning disc among all electric pole types, so that the equipment can be used for dismounting the tensioning disc of all pole types, and the universality is high.

[0043] Specifically, the mounting frame 32 comprises at least three circumferentially distributed mounting columns 321, and each mounting column 321 is provided with an electric pole ejection assembly 4 at the end thereof; a strip-shaped through hole 322 is formed in the mounting column 321 in the radial direction and located at the inner side of the electric pole ejection assembly 4; the electric pole clamping assembly 5 comprises a clamping cylinder 51 fixed on the side away from the electric pole ejection assembly 4, and a clamping jaw 52 fixedly connected with the piston rod of the clamping cylinder 51, the clamping jaw 52 penetrates through the strip-shaped through hole 322 and reciprocates along the strip-shaped through hole 322 under the action of the clamping cylinder 51; the electric pole ejection assembly 4 comprises an oil cylinder 41 fixed on the mounting column 321 and an ejection rod 42 connected with the oil cylinder 41, and the telescopic direction of the ejection rod 42 is towards the tensioning disc 101. After the steel bar is cut, the mounting frame 32 moves forward so that the clamping jaw 52 is driven by the clamping cylinder 51 to shrink inward to clamp the gap of the tensioning disc, and then the oil cylinder 41 is started to drive the ejection rod 42 to extend forward to abut against the electric pole and separate the electric pole from the tensioning disc.

[0044] Specifically, a straight sliding rail 62 extends between the two plasma cutting guns 61, and the two plasma cutting guns 61 are slidingly connected to the straight sliding rail 62 through a fixed support 63; the fixed support 63 is further provided with a fourth laser sensor 64 for detecting whether the steel bar exists or not, and the laser beam of the fourth laser sensor 64 is directed towards the gap of the tensioning disc. When not cutting, the plasma cutting gun 61 is located outside the tensioning disc 101 in the circumferential direction, and when the steel bar needs to be cut, the two plasma cutting guns 61 slide towards the gap through the straight sliding rail 62. Due to the mechanical requirement of the tensioning process, there is a protruding pad in the gap of the tensioning disc 101, and directly turning on the plasma cutting gun 61 will damage the tooling. Therefore, the switch of the plasma cutting gun 61 is controlled by the steel bar presence / absence detection device during the rotation of the electric pole. The steel bar presence / absence detection device comprises the fourth laser sensor 64, and the plasma cutting gun is turned on when the fourth laser sensor 64 detects that the gun head has a steel bar, and vice versa.

[0045] It should be noted that the plasma cutting gun 61 of the present application is connected with a grounding device 65, and the grounding device 65 is an important component for introducing current into the plasma cutting gun 61. The grounding device 65 is usually a brass or copper alloy clip, which ensures that the current on the plasma cutting gun 61 is effectively introduced into the ground. If the plasma cutting gun 61 does not have a reliable grounding device 65, an electric spark may be generated, which may cause an accident.

[0046] Specifically, the mounting table 31 is provided with a sliding rail 311 in the direction of the electric pole axis, the mounting frame 32 is slidingly connected to the sliding rail 311 through a bottom-fixed sliding block, the mounting table 31 is fixedly provided with a pushing cylinder 33, the telescopic end of the pushing cylinder 33 is fixedly connected with the mounting frame 32, and the mounting frame 32 is driven to reciprocate along the sliding rail 311, so as to realize the integral forward pushing of the electric pole ejection assembly 4 and the electric pole clamping assembly 5.

[0047] Specifically, the bottom of the rack 1 is provided with traveling wheels 11, and the rack 1 is provided with a driving mechanism 12 for driving the traveling wheels 11 to travel along the axis direction of the electric pole, wherein the traveling wheels 11 comprise a driving traveling wheel and a driven traveling wheel, and the driving mechanism 12 comprises a translation motor, and the translation motor drives the driving traveling wheel to rotate through a gear transmission mechanism.

[0048] Specifically, the linear slide rails 62 are wrapped with an accordion protective cover (not shown in the figure), and the plasma cutting guns 61 are further provided with a debris collection groove. The accordion protective cover can protect the smoothness of the linear slide rails, and avoid debris from falling on the linear slide rails, and the debris collection groove is used to collect the debris generated after the steel bars are cut.

[0049] The application also provides a dismounting method of the tensioning disc, comprising the following steps:

[0050] 1) The electric pole is transported to the tensioning disc and dismounting station by a pole transporting vehicle, the pole transporting vehicle is a pole transporting device matched with the tensioning disc and dismounting device, and the pole transporting vehicle has the functions of transporting the electric pole and driving the electric pole to rotate;

[0051] 2) The lifting mechanism 3 drives the lifting plate 2 to ascend, so that the axis of the device and the axis of the tensioning disc 101 are positioned at the same height;

[0052] 3) The mounting frame 32 is driven to move forward, so that the device approaches the electric pole on the pole transporting vehicle, and when the third laser sensor 64 under the plasma cutting gun 61 detects the end face of the tensioning disc, the movement is stopped, at this time, the gun head of the plasma cutting gun 61 is positioned in the slit of the tensioning disc 101, that is, the spraying direction of the plasma cutting gun 61 is towards the steel bars of the tensioning disc 101;

[0053] 4) The two plasma cutting guns 61 move radially inwardly into the slit of the tensioning disc 101, and at the same time, the electric pole on the pole transporting vehicle is requested to rotate, and during the rotation of the electric pole, when the fourth laser sensor 64 detects that the spraying direction of the gun head of the plasma cutting gun 61 has steel bars, the plasma cutting gun is turned on, otherwise the plasma cutting gun is turned off;

[0054] 5) After the electric pole rotates for half a circle, the steel bars are cut, and the two plasma cutting guns are withdrawn;

[0055] 6) The electric pole ejection assembly 4 and the electric pole clamping assembly 5 are pushed forward, the electric pole clamping assembly 5 clamps the tensioning disc gap and clamps the tensioning disc 101, and then the electric pole ejection assembly 4 is used to push against the electric pole, so that the tensioning disc 101 is dismounted from the electric pole.

[0056] Specifically, the method for driving the lifting mechanism 3 to drive the lifting plate 2 to ascend, so that the axis of the device and the axis of the tensioning disc are positioned at the same height, comprises the following steps:

[0057] The lifting mechanism 3 scans from bottom to top, and when the first laser sensor 7 detects the lower edge of the tensioning disc 101, the position coordinate OP1 is recorded; the lifting mechanism 3 continues to rise, and when the second laser sensor 8 detects the upper edge of the tensioning disc 101, the position coordinate OP2 is recorded;

[0058] The distance S = OP2-OP1 that the lifting mechanism 3 travels in the range of the tensioning disc 101 is calculated; the outer diameter D of the tensioning disc 101 = S+L, and the radius R = (S+L) / 2; wherein L is the vertical distance between the first laser sensor 7 and the second laser sensor 8;

[0059] The coordinate P = OP1+R of the axis position of the tensioning disc 101 in the coordinate system is calculated;

[0060] The lifting mechanism 3 is controlled to run to the target P.

[0061] The above has further described the present application with the help of specific embodiments, but it should be understood that the specific description here should not be understood as the limitation of the essence and scope of the present application, and various modifications of the above embodiments made by the ordinary skilled in the art after reading the present specification all belong to the scope protected by the present application.

Claims

1. An automatic rebar cutting and dismantling device for prestressed pole tensioning discs, characterized in that, It includes a frame, a lifting plate movably mounted above the frame, and a lifting mechanism that drives the lifting plate to move up and down; The lifting plate is provided with a mounting platform protruding from the lifting plate. A mounting frame is reciprocally slidably arranged on the mounting platform along the pole axis. The mounting frame is provided with a pole ejection component and a pole clamping component. The lifting plate is also equipped with a plasma cutting mechanism, which includes two plasma cutting guns arranged opposite each other. The plasma cutting guns, the pole ejection assembly, and the pole clamping assembly are all located on the same side of the mounting frame. The mounting frame is provided with a first laser sensor and a second laser sensor at intervals along the radial vertical direction of the pole. The first laser sensor is located below the second laser sensor. The distance between the first laser sensor and the second laser sensor is less than the outer diameter of the tensioning plate of the smallest pole type. A third laser sensor is provided below the plasma cutting gun. The third laser sensor senses the position of the tensioning plate to position the spray direction of the plasma cutting gun onto the steel bar in the slit of the tensioning plate. The mounting frame includes at least three circumferentially distributed mounting columns, and the pole ejection assembly is installed at the end of each mounting column; The mounting post has a radially formed through hole on the inner side of the pole ejection assembly. The pole clamping assembly includes a clamping cylinder fixed on one side away from the pole ejection assembly and a clamping claw fixedly connected to the piston rod of the clamping cylinder. The clamping claw passes through the through hole and reciprocates along the through hole under the action of the clamping cylinder. The pole ejection assembly includes a hydraulic cylinder fixed to the mounting column and an ejection rod connected to the hydraulic cylinder, wherein the extension and retraction direction of the ejection rod is toward the tensioning plate.

2. The automatic rebar cutting and dismantling equipment for prestressed pole tensioning discs according to claim 1, characterized in that, A linear slide rail extends between the two plasma cutting guns, and the two plasma cutting guns are slidably connected to the linear slide rail by a fixed bracket; the fixed bracket is also provided with a fourth laser sensor for detecting the presence or absence of reinforcing bars, and the laser beam of the fourth laser sensor is directed toward the tensioning plate slit.

3. The automatic rebar cutting and dismantling equipment for prestressed pole tensioning discs according to claim 1, characterized in that, The mounting platform is provided with a slide rail along the axis of the utility pole. The mounting frame is slidably connected to the slide rail by a slider fixed at the bottom. A propulsion cylinder is fixed on the mounting platform. The telescopic end of the propulsion cylinder is fixedly connected to the mounting frame, driving the mounting frame to reciprocate along the slide rail.

4. The automatic rebar cutting and dismantling equipment for prestressed pole tensioning discs according to claim 1, characterized in that, The bottom of the frame is equipped with wheels, and the frame is provided with a drive mechanism that drives the wheels to move along the axis of the pole.

5. The automatic rebar cutting and dismantling device for prestressed pole tensioning discs according to claim 2, characterized in that, The linear guide rail is covered with an accordion-style protective cover, and a debris collection groove is provided between the plasma cutting guns.

6. A method for disassembling a prestressed pole tensioning plate using the automatic rebar cutting and disassembly equipment according to any one of claims 1 to 5, characterized in that... The method includes the following steps: 1) The pole transport vehicle transports the poles to the tensioning plate cutting and dismantling station; 2) The lifting mechanism drives the lifting plate to rise, positioning the equipment axis and the tensioning plate axis at the same height; 3) The drive mounting bracket moves forward, and the third laser sensor stops moving after detecting the end face of the tensioning plate. At this time, the head of the plasma cutting gun is positioned in the slit of the tensioning plate. 4) The two plasma cutting guns move radially inward into the slit of the tensioning plate, while requesting the electric rod to rotate. During the rotation of the electric rod, the plasma cutting gun is activated when the fourth laser sensor detects that there is a steel bar at the tip of the plasma cutting gun, and deactivated otherwise. 5) After the pole rotates half a revolution, the steel bar cutting is completed, and the two plasma cutting guns are withdrawn; 6) The pole ejection assembly and the pole clamping assembly are pushed forward. The pole clamping assembly locks the tensioning plate gap and clamps the tensioning plate. Then, the pole ejection assembly is used to hold the pole in place and remove the tensioning plate from the pole.

7. The disassembly method according to claim 6, characterized in that, Methods for using a lifting mechanism to drive a lifting plate upwards, thereby positioning the equipment axis and the tensioning plate axis at the same height, include: The lifting mechanism scans from bottom to top. When the first laser sensor detects the lower edge of the tensioning plate, the position coordinates are recorded as OP1. The lifting mechanism continues to rise, and when the second laser sensor detects the upper edge of the tensioning plate, the position coordinates are recorded as OP2. The distance traveled by the lifting mechanism within the tensioning plate is calculated as S = OP2 - OP1; the outer diameter of the tensioning plate is D = S + L, and the radius is R = (S + L) / 2; where L is the vertical distance between the first laser sensor and the second laser sensor. Calculate the coordinates of the center of the tensioning plate in the coordinate system as P = OP1 + R; Control the lifting mechanism to move to the target P.

Citation Information

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