CN115889880A - An Intelligent Municipal Underground Steel Pipe High-precision Ring Cutting Device and Operation Method - Google Patents

Abstract

The application discloses a high-precision circular cutting device for intelligent municipal underground steel pipes, which comprises a base platform, wherein a limiting device, a driving device and a driven device are arranged on the base platform, the limiting device is arranged at one end of the base platform, the driving device and the driven device are respectively arranged at two sides of the base platform, the driving device comprises a driving motor and a plurality of driving rollers, and the driving motor is connected with the driving rollers and drives the driving rollers to rotate; the driven device comprises a driven frame and a plurality of driven rollers, the driven frame is arranged on the base station, and the driven rollers are rotatably arranged on the driven frame; the limiting device comprises an axial telescopic component and a radial telescopic component, wherein the axial telescopic component can be telescopic along the length direction of the base station, the radial telescopic component is used for connecting the steel pipe, the axial telescopic component is arranged on the base station, and the radial telescopic component is rotatably arranged at one end, facing the driving roller, of the axial telescopic component; one side of the base platform is provided with a cutting device. This application has the stability that improves the steel pipe cutting, reduces the effect of incision burr.

Description

An Intelligent Municipal Underground Steel Pipe High-precision Ring Cutting Device and Operation Method

technical field

The invention relates to the field of steel pipe processing, in particular to an intelligent high-precision circular cutting device and operation method for municipal underground steel pipes.

Background technique

After the seamless steel pipe is transported from the steel mill to the construction site, the seamless steel pipe needs to be cut according to the designed size to obtain the steel pipe with the required size. In the related art, the steel pipe is placed on the ground and cut directly, the steel pipe is easy to roll when cutting, the stability is poor, the cut burrs of the steel pipe are more, and the cutting efficiency is low.

With regard to the related technologies mentioned above, the applicant believes that there are the following defects: poor cutting stability of the steel pipe, many burrs in the cut, and low cutting efficiency.

Contents of the invention

In order to improve the stability of steel pipe cutting, reduce cutting burrs, and improve cutting efficiency, the application provides an intelligent high-precision circular cutting device and operation method for municipal underground steel pipes.

In the first aspect, the high-precision circular cutting device of an intelligent municipal underground steel pipe provided by the application adopts the following technical scheme:

An intelligent high-precision circular cutting device for municipal underground steel pipes, comprising a base, a limiting device, a driving device and a driven device are installed on the base, the limiting device is arranged at one end of the base, the The driving device and the driven device are respectively arranged on both sides of the base, the driving device includes a driving motor and a plurality of driving rollers, and the plurality of driving rollers are arranged at intervals along the length direction of the base, the The driving motor is connected to the driving roller and drives the driving roller to rotate; the driven device includes a driven frame and a plurality of driven rollers, the driven frame is installed on the base, and the driven roller rotates Installed on the driven frame, a plurality of driven rollers are arranged at intervals along the length direction of the base; The radial telescopic assembly connected to the steel pipe, the axial telescopic assembly is installed on the base, and the radial telescopic assembly is rotatably installed on the end of the axial telescopic assembly facing the driving roller; the base A cutting device for cutting steel pipes is installed on one side, and the cutting device can move along the length direction of the abutment.

By adopting the above technical scheme, the steel pipe is placed between the driving roller and the driven roller, and the driving roller and the driven roller support the steel pipe above the abutment, so that the steel pipe does not contact the abutment, and one end of the steel pipe is close to the limit device, and the shaft The radial telescopic assembly drives the radial telescopic assembly to extend into the steel pipe from one end of the steel pipe, and the radial telescopic assembly is stretched and fixedly connected to the inner wall of the steel pipe; when the cutting device cuts the steel pipe, the driving roller drives the steel pipe to rotate, and the radial telescopic assembly and the axial The telescopic component limits the displacement of the steel pipe, makes the steel pipe rotate smoothly, reduces the vibration of the steel pipe, improves the stability of the steel pipe cutting, reduces the burr of the incision, and improves the cutting efficiency of the steel pipe.

Further, the axial telescopic assembly includes a threaded screw connected to the abutment, and a bearing is installed at one end of the threaded shaft facing the driving roller, and the radial telescopic assembly includes a sleeve, a rotating sleeve, a plurality of retractable rods, a plurality of support rods and a plurality of support plates, the sleeve sleeve is set outside the screw rod and screwed to the screw rod, the rotating sleeve is rotatably connected to the sleeve tube, and a plurality of The retractable rods, the multiple support rods and the multiple support plates are in one-to-one correspondence in position and quantity. plate and bearings, the shrink rod can drive the support plate to expand against the inner wall of the steel pipe.

By adopting the above technical solution, the rotation of the screw can drive the radial telescopic assembly to move along the axial direction of the screw, bringing the radial telescopic assembly into and out of the cavity of the steel pipe, and the rotating sleeve can drive the rotating sleeve along the axis of the screw. The movement of the rotating sleeve drives the shrink rod and the support rod to rotate, thereby driving the support plate close to and away from the inner wall of the steel pipe, so as to realize the connection and separation of the radial shrink component from the steel pipe; the expansion and contraction of the radial shrink component is realized by rotating the sleeve, and the axial The expansion and contraction of the telescopic assembly is achieved by turning the screw, which is simple and convenient to operate, and the screw is threaded to connect the abutment, and the sleeve is threaded to connect the screw. The axial direction of the screw and the sleeve can withstand a large force, which is conducive to maintaining the shaft Directional stability, improve the stability of steel pipe cutting, and reduce cutting burrs.

Further, the driven device further includes a lifting cylinder, the driven frame is slidably connected to the base and can slide up and down along the base, and the two ends of the lifting cylinder are respectively connected to the base and the driven The lifting cylinder drives the driven frame to move up and down, and the driven roller can be lower than the upper surface of the base.

By adopting the above technical scheme, the driven roller slides down below the upper surface of the abutment, and the steel pipe falls onto the abutment and can roll toward the side of the abutment provided with the driven roller, which is convenient for unloading the cut steel pipe.

Further, the base platform is equipped with a conveying device on one side of the driven device, and a guide for guiding the steel pipe on the base platform to the conveying device is provided between the conveying device and the base platform. device, the two ends of the guide device are respectively connected to the delivery device and the abutment.

By adopting the above technical scheme, the cut steel pipe rolls down from the abutment onto the guide device, and then falls onto the conveying device through the guide device, so that automatic blanking of the cut steel pipe is realized.

Further, the guide device includes a slide plate, a first partition, a second partition and a stop bar, one end of the slide plate is connected to the base and is lower than the upper surface of the base, and the other end of the slide is Located above the conveyor belt, the first partition and the second partition are respectively installed on both sides of the slide plate, and the first partition and the second partition are respectively arranged obliquely in the shape of a bell mouth and the horn The big end of the opening faces the abutment, the blocking rod is installed at the position where the abutment is connected to the slide plate, and the blocking rod is close to the first partition.

By adopting the above technical scheme, when the steel pipe after cutting rolls to the upper end of the slide plate, one end of the steel pipe is blocked by the stop bar, while the other end of the steel pipe continues to move under the action of inertia and falls onto the slide plate, causing the steel pipe to rotate and The steel pipes are turned from vertical to horizontal and slide down from the slide plate, so as to facilitate the transportation of the conveying device, and at the same time, the steel pipes can be arranged neatly on the conveying device, which is convenient for hoisting.

Further, a buffer plate is provided on the side of the sliding plate close to the conveying device, and the buffer plate is arranged obliquely across the upper part of the conveying device, and the lower end of the buffer plate is directed towards the delivery of the conveying device. Direction, the lower end of the buffer plate is hinged with a guide plate, the guide plate is connected with a buffer cylinder, the buffer cylinder is located below the guide plate and drives the guide plate to rotate, the side of the guide plate away from the buffer plate Accessible to the delivery device.

By adopting the above technical solution, the buffer plate can buffer the steel pipe to eliminate the impact force of the steel pipe sliding off the slide plate, and then the buffer cylinder drives the guide plate to rotate close to the conveying device, and the steel pipe rolls along the guide plate to the conveying device, reducing the impact of the steel pipe on the conveying device The impact force of the steel pipe is avoided to damage the conveying device.

Further, the upper surface of the abutment slopes downward toward one side of the delivery device.

By adopting the above technical solution, it is beneficial for the steel pipe to roll down from the abutment to the conveying device.

Further, the driven frame is connected with a plurality of push rods, and the plurality of push rods are distributed at intervals along the length direction of the abutment, and the middle part of the push rod is connected to the abutment in rotation, and the push rods are connected to the abutment. One end is arranged below the driven frame and can go up and down with the driven frame, the other end of the push rod extends above the abutment and can push the steel pipe to move to one side of the driven roller, A return spring is provided between the push rod and the abutment, and two ends of the return spring are fixedly connected to the push rod and the abutment respectively.

By adopting the above technical scheme, when the driven frame drives the driven roller to descend, it simultaneously drives one end of the push rod to move downward, so that the push rod rotates, and the end of the push rod above the abutment is close to the steel pipe. When reaching the bottom of the abutment, the push rod is in contact with the steel pipe. As the driven frame continues to descend, the push rod pushes the steel pipe to roll to the side where the driven roller is installed on the abutment, pushing the steel pipe to fall from the abutment. The friction between the abutments is too great to roll.

In the second aspect, the operation method of an intelligent municipal underground steel pipe high-precision ring cutting device provided by the application adopts the following technical scheme:

A method for operating an intelligent municipal underground steel pipe high-precision ring cutting device, comprising the following steps:

1) Use a crane to hoist the entire steel pipe between the driving roll and the driven roller, and place one end of the steel pipe close to the limit device;

2) Drive the axial telescopic assembly to extend the radial telescopic assembly from the port at one end of the steel pipe into the interior of the steel pipe; then drive the radial telescopic assembly to stretch and fix the steel pipe;

3) Start the driving motor to drive the steel pipes to rotate, then start the cutting device and move the cutting device to cut the steel pipes in sequence.

In summary, the present application includes at least one of the following beneficial technical effects:

1. The steel pipe is placed between the driving roller and the driven roller. The driving roller and the driven roller support the steel pipe above the abutment, so that the steel pipe does not touch the abutment. One end of the steel pipe is close to the limit device, and the axial telescopic component drives The radial telescopic assembly extends into the steel pipe from one end of the steel pipe, and the radial telescopic assembly is stretched and fixedly connected to the inner wall of the steel pipe; when the cutting device cuts the steel pipe, the driving roller drives the steel pipe to rotate, and the radial telescopic assembly and the axial telescopic assembly restrict the steel pipe. Displacement makes the steel pipe rotate smoothly, reduces the vibration of the steel pipe, improves the stability of the steel pipe cutting, reduces the burr of the incision, and improves the cutting efficiency of the steel pipe;

2. The expansion and contraction of the radial shrinkage component is realized by rotating the sleeve, and the expansion and contraction of the axial expansion component is realized by rotating the screw rod. The operation is simple and convenient, and the screw rod is threaded to the abutment, and the sleeve is threaded to connect the screw rod, screw rod and sleeve tube The axial direction can withstand a large force, which is beneficial to maintain the axial stability of the steel pipe, improve the stability of the steel pipe cutting, and reduce the burr of the incision;

3. When the cut steel pipe rolls to the upper end of the slide plate, one end of the steel pipe is blocked by the stop bar, while the other end of the steel pipe continues to move under the action of inertia and falls onto the slide plate, causing the steel pipe to rotate, turning the steel pipe from longitudinal to vertical. It slides down from the slide plate in a horizontal direction, so as to facilitate the transportation of the conveying device, and at the same time, it can make the steel pipes neatly arranged on the conveying device, which is convenient for hoisting;

4. When the driven frame drives the driven roller down, it simultaneously drives one end of the push rod to move downward, making the push rod rotate. The end of the push rod above the abutment is close to the steel pipe. When the driven roller descends to the When it is down, the push rod is in contact with the steel pipe, and as the driven frame continues to descend, the push rod pushes the steel pipe to roll to the side where the driven roller is installed on the abutment, and pushes the steel pipe to fall from the abutment, so as to solve the gap between the steel pipe and the abutment. The situation where the friction force is too large to roll.

Description of drawings

Fig. 1 is a structural schematic diagram of an intelligent high-precision circular cutting device for municipal underground steel pipes according to Embodiment 1 of the present application.

FIG. 2 is a schematic structural view of the limiting device according to Embodiment 1 of the present application.

Fig. 3 is a structural schematic diagram of an intelligent high-precision circular cutting device for municipal underground steel pipes according to Embodiment 2 of the present application.

Fig. 4 is a schematic cross-sectional view of an intelligent high-precision circular cutting device for municipal underground steel pipes according to Embodiment 2 of the present application.

Explanation of reference signs:

1. Abutment; 2. Steel pipe; 31. Driving motor; 32. Driving roller; 41. Driven roller; 42. Push rod; 43. Lifting cylinder; 51. Axial telescopic component; 511. Screw rod; 512. Bearing ; 513, rotating handle; 52, radial telescopic assembly; 521, sleeve pipe; Conveying device; 81, slide plate; 82, first partition; 83, second partition; 84, stop rod; 85, buffer plate; 86, guide plate; 87, buffer cylinder; 9, conveyor belt.

Detailed ways

The present application will be described in further detail below in conjunction with accompanying drawings 1-4.

The embodiment of the present application discloses an intelligent high-precision circular cutting device and operation method for municipal underground steel pipes.

Embodiment one

Referring to Fig. 1, a high-precision circular cutting device for an intelligent municipal underground steel pipe includes a base 1, on which a limiting device, a driving device and a driven device are installed, the limiting device is arranged at one end of the base 1, and the driving The device and the driven device are respectively arranged on both sides of the base 1 , the driving device is used to drive the steel pipe 2 to rotate, and the driven device is used to stabilize the steel pipe 2 to prevent the steel pipe 2 from rolling and causing lateral displacement. The driving device includes a driving motor 31 and a plurality of driving rollers 32 . The plurality of driving rollers 32 are arranged at intervals along the length direction of the base 1 . The driving motor 31 is connected to the driving rollers 32 and drives the driving rollers 32 to rotate. The driven device includes a driven frame and a plurality of driven rollers 41, the driven frame is installed in the base 1, and the driven roller 41 is rotatably installed on the driven frame, and the multiple driven rollers 41 are arranged along the length direction of the base 1 interval setting. The driving roller 32 and the driven roller 41 support the steel pipe 2 and are in contact with the steel pipe 2. The driving roller 32 drives the steel pipe 2 to rotate through friction, and the driven roller 41 stabilizes the steel pipe 2. The limit device includes an axial telescopic assembly 51 capable of stretching along the length of the base 1 and a radial telescopic assembly 52 for connecting the steel pipe 2, the axial telescopic assembly 51 is installed on the base 1, and the radial telescopic assembly 52 rotates Installed on the end of the axial telescopic assembly 51 facing the driving roller 32, the axial telescopic assembly 51 drives the radial telescopic assembly 52 to move along the length direction of the base 1, and the radial telescopic assembly 52 can connect the steel pipe 2 and keep the steel pipe 2 to rotate stably. A cutting device 6 for cutting the steel pipe 2 is installed on one side of the base 1 , and the cutting device 6 can move along the length direction of the base 1 .

The abutment 1 is in the shape of a cuboid, and a cavity is arranged inside the abutment 1 . Both sides of the upper part of the abutment 1 are respectively provided with a plurality of transverse roller grooves, the plurality of roller grooves are arranged at intervals along the length direction of the abutment 1, and the roller grooves communicate with the cavity. A plurality of driving rollers 32 correspond to a plurality of roller grooves in position and quantity. The driving rollers 32 are installed at one end of the roller grooves and run through the roller grooves. The center of the driving rollers 32 is set in the cavity, and all the driving rollers 32 pass through A rotating shaft is connected, and the rotating shaft is installed in the cavity. The two ends of the rotating shaft are connected to the side walls of the two ends of the cavity. The driving motor 31 is connected to the rotating shaft and drives the rotating shaft to rotate. A plurality of driven rollers 41 correspond to a plurality of roller grooves in position and quantity. The driven rollers 41 are mounted on the end of the roller grooves away from the driving roller 32 and run through the roller grooves. The center of the driven rollers 41 is located in the cavity. , all driven rollers 41 are connected through a driven shaft, and the two ends of the driven shaft are connected to the driven frame in rotation. The driving roller 32 and the driven roller 41 can separate the steel pipe 2 from the upper surface of the abutment 1, so that the steel pipe 2 does not contact the abutment 1, reduce the resistance of the steel pipe 2 to rotate, and can reduce the cutting of the steel pipe 2 by the cutting device 6 at the same time. The case of abutment 1 occurs. One end of the upper part of the abutment 1 is provided with a support frame, and the axial telescopic assembly 51 is installed on the support frame.

Referring to FIG. 2 , the axial telescopic assembly 51 includes a screw rod 511, which is threadedly connected to the support frame and runs through the support frame. The end of the screw rod 511 located outside the abutment 1 is provided with a rotating handle 513, and the screw rod 511 is located above the abutment 1. One end of the bearing 512 is installed. The radial expansion assembly 52 includes a sleeve 521, a rotating sleeve 522, a plurality of shrink rods 523, a plurality of support rods 525 and a plurality of support plates 524. The sleeve 522 is rotatably set on the end of the sleeve 521 close to the bearing 512, and the end of the sleeve 521 away from the rotating sleeve 522 is fixedly connected with a rudder 526. The sleeve 522 can be rotated conveniently through the rudder 526, and the sleeve 521 can be rotated along the The axial movement of the screw rod 511 drives the rotating sleeve 522 to move along the axial direction of the screw rod 511 . A plurality of shrinkage rods 523, a plurality of support rods 525 and a plurality of support plates 524 are in one-to-one correspondence in position and quantity, and a plurality of shrinkage rods 523 are arranged around the circumference of the screw mandrel 511, and a plurality of support rods 525 surround the circumference of the screw mandrel 511. The two ends of the shrink rod 523 are respectively hinged to the rotating sleeve 522 and the support plate 524, and the two ends of the support rod 525 are respectively hinged to the support plate 524 and the bearing 512. The shrink rod 523 and the support rod 525 can drive the support plate 524 to expand and tighten The inner wall of the steel pipe 2 and the driving support plate 524 shrink away from the inner wall of the steel pipe 2 . The support plate 524 is fan-shaped and arc-shaped, and the outer diameter of the support plate 524 is equal to the inner diameter of the steel pipe 2. The central axes of all the support plates 524 coincide with each other, so that the outer walls of the support plate 524 can all be close to the inner wall of the steel pipe 2 to improve radial shrinkage. The firmness of the component connection. The axial movement of the rotating sleeve 522 along the screw rod 511 drives the shrink rod 523 and the support rod 525 to rotate, thereby driving the support plate 524 to expand and contract, thereby realizing connecting the steel pipe 2 and detaching from the steel pipe 2. The telescopic principle of the radially telescopic component 52 is similar to that of an umbrella The scaling principle is similar. The use of threaded connections to control the expansion and contraction of the axial shrinkage components and radial shrinkage components, instead of using elastic shrinkage structures such as cylinders, is to make the expansion and contraction of the axial shrinkage components and radial shrinkage components controlled by rigid structures. 2. When the steel pipe 2 is rotated under force, the shaking of the steel pipe 2 can be reduced. If an elastic contraction structure such as a cylinder is used to control the expansion and contraction of the axial contraction component and the radial contraction component, when the steel tube 2 rotates, the force of the steel tube 2 is transmitted to the cylinder and other structures. It will cause elastic deformation of structures such as the cylinder, so that the steel pipe 2 vibrates greatly, which is not conducive to controlling the burrs of the incision, and easily causes damage to the cutting device 6 .

The cutting device 6 used in this embodiment is a grinding wheel cutting machine, the cutting device 6 is connected with a trolley, and the trolley drives the cutting device 6 to move along the length direction of the abutment 1 .

The implementation principle of an intelligent municipal underground steel pipe high-precision circular cutting device in the embodiment of the present application is as follows: the steel pipe 2 is placed between the driving roller 32 and the driven roller 41, and the driving roller 32 and the driven roller 41 support the steel pipe 2 on the Above the abutment 1 , the steel pipe 2 is not in contact with the abutment 1 , and one end of the steel pipe 2 is close to one end of the screw rod 511 . Then turn the screw mandrel 511 by turning the handle 513, so that the radial telescopic assembly 52 stretches into the inside of the steel pipe 2 from the port at one end of the steel pipe 2, then fix the screw mandrel 511 with one hand, and turn the rudder 526 with the other hand to drive the sleeve pipe 521 on the wire. Rotate on the rod 511, so that the contraction rod 523 and the support rod 525 rotate a certain angle, and the support plate 524 is pushed toward the inner wall of the steel pipe 2 until the support plate 524 is firmly pressed against the inner wall of the steel pipe 2, and the support plate 524 and the steel pipe 2 Fixed connection. Then start the driving motor 31, the driving motor 31 drives the driving roller 32 to rotate, the driving roller 32 drives the steel pipe 2 to rotate, and the axial contraction assembly and the radial contraction assembly limit the displacement of the steel pipe 2 in other directions except rotation, and keep the rotation of the steel pipe 2 Stable, finally start the cutting device 6 to cut the steel pipe 2, start cutting sequentially from the end of the steel pipe 2 away from the screw mandrel 511 to the end of the steel pipe 2 connected to the screw mandrel 511, and cut the steel pipe 2 into required lengths in turn. The steel pipe 2 in this embodiment rotates stably, which reduces the shaking of the steel pipe 2 when the steel pipe 2 is cut, thereby reducing burrs on the cut of the steel pipe 2 and improving the cutting efficiency of the steel pipe 2 at the same time.

Embodiment two

Referring to Fig. 3 and Fig. 4, the difference between the second embodiment and the first embodiment is that the upper part of the abutment 1 is also provided with a plurality of long grooves, and the plurality of long grooves are arranged at intervals along the length direction of the abutment 1, and the roller grooves and the long grooves The grooves are arranged alternately, a long groove is arranged between two adjacent roller grooves, and a roller groove is arranged between adjacent long grooves on both sides, and the long grooves communicate with the cavity. The upper surface of the base 1 is inclined downward from the side where the driving roller 32 is installed to the side where the driven roller 41 is installed.

The two ends of the driven frame are respectively provided with chute, and the two ends of the abutment 1 are respectively provided with vertical slide rails, and the driven frame slides and connects with the abutment 1 through the connection of the chute and the slide rail, and the driven frame can slide along the base Table 1 slides up and down. The bottom of the driven frame is connected with a lifting cylinder 43, and the lifting cylinder 43 is vertically arranged. The two ends of the lifting cylinder 43 are respectively fixedly connected to the bottom of the base 1 and the bottom of the driven frame. The moving frame drives the driven roller 41 to move up and down, and the driven roller 41 can all move into the cavity, so that the cut steel pipe 2 can roll toward the side where the driven roller 41 is installed on the abutment 1, which is convenient for cutting the steel pipe 2. material. The driven frame is connected with a plurality of push rods 42, and the plurality of push rods 42 are in one-to-one correspondence with the plurality of long slots in quantity and position. Each long slot runs through a push rod 42, and one end of the push rod 42 is arranged in the cavity. , the other end of the push rod 42 is arranged on the top of the base 1 and between two adjacent driving rollers 32, the middle parts of all the push rods 42 are connected with the same connecting rod, and the two ends of the connecting rod are respectively connected by rotation. Abutment 1. One end of the push rod 42 arranged in the cavity is arranged below the driven frame and can descend with the driven frame, and one end of the push rod 42 arranged above the abutment 1 can push the steel pipe 2 to move to one side of the driven roller 41, and the connecting rod The overcoat is provided with a return spring, and the two ends of the return spring are fixedly connected to the push rod 42 and the abutment 1 respectively. When the driven frame drives the driven roller 41 to descend, it simultaneously drives the end of the push rod 42 disposed in the cavity to move downward, so that the push rod 42 rotates, and the end of the push rod 42 disposed above the abutment 1 approaches the steel pipe 2, When the driven roller 41 completely descends below the upper surface of the base 1, the push rod 42 contacts the steel pipe 2, and as the driven frame continues to descend, the push rod 42 pushes the steel pipe 2 to install the driven roller 41 on the base 1 side scrolling.

A delivery device 7 is installed on one side of the abutment 1, and the delivery device 7 is close to the side where the driven roller 41 is installed on the abutment 1, and a steel pipe 2 for guiding the steel pipe 2 on the abutment 1 is provided between the delivery device 7 and the abutment 1 As for the guiding device on the conveying device 7 , the two ends of the guiding device are respectively connected to the conveying device 7 and the abutment 1 . The steel pipe 2 rolled down from the base 1 falls onto the guide device, then enters the conveying device 7 through the guide device, and is transported forward by the conveying device 7 . The guiding device comprises a slide plate 81, a first dividing plate 82, a second dividing plate 83 and a stop bar 84. One end of the sliding plate 81 is connected to the abutment 1 and is lower than the upper surface of the abutment 1, and the other end of the sliding plate 81 is located on the conveyor belt 9. Above, the slide plate 81 is covered with pulleys, the pulleys can rotate, and the steel pipe 2 can move down more conveniently after falling on the pulley, reducing the situation that the steel pipe 2 cannot slide on the slide plate 81 because the friction force is too large. The first dividing plate 82 and the second dividing plate 83 are installed on both sides of the slide plate 81 respectively, the first dividing plate 82 and the second dividing plate 83 are respectively inclined to be arranged in the shape of a bell mouth and the big end of the bell mouth is facing the abutment 1, and the blocking plate The rod 84 is rotatably installed on the base 1 near the slide plate 81, the blocking rod 84 is vertically arranged, and the blocking rod 84 is close to the first partition. When the steel pipe 2 after cutting rolls to the upper end of the slide plate 81, one end of the steel pipe 2 is blocked by the stop bar 84, and the other end of the steel pipe 2 continues to move under the action of inertia and falls on the slide plate 81, so that the steel pipe 2 rotates, Turn the steel pipe 2 from the vertical direction to the horizontal direction and slide down from the slide plate 81, so as to facilitate the transportation of the conveying device 7, and at the same time, the steel pipes 2 can be arranged neatly on the conveying device 7, which is convenient for hoisting. The blocking rod 84 and the push rod 42 are staggered along the length direction of the abutment 1 . After one end of the steel pipe 2 is blocked by the blocking rod 84 , the other end of the steel pipe 2 can continue to be pushed by the push rod 42 . Since the distance between the upper end of the first dividing plate 82 and the upper end of the second dividing plate 83 is substantially the same as the length of the cut steel pipe 2, the steel pipe 2 longitudinally rolls onto the slide plate 81 and is easily separated by the first dividing plate 82 and the second dividing plate 82. The plate 83 is stuck, and the steel pipe 2 is turned by the setting of the blocking rod 84 , which can reduce the occurrence of the steel pipe 2 being stuck by the first partition plate 82 and the second partition plate 83 .

Sliding plate 81 is provided with buffer plate 85 near the side of conveying device 7, and buffer plate 85 straddles the top of conveying device 7 and is arranged obliquely front and back, and the front end of buffer plate 85 is lower than the rear end of buffer plate 85, and the front end of buffer plate 85 A guide plate 86 is hinged, and the rear end of the buffer plate 85 and the end of the buffer plate 85 away from the slide plate 81 are respectively fixed with a baffle. The lower end of the guide plate 86 is connected to the buffer plate 85, and the end of the guide plate 86 away from the slide plate 81 extends to the outside of the delivery device 7 away from the side of the slide plate 81. The end of the guide plate 86 away from the slide plate 81 is connected with a buffer cylinder 87, and the two ends of the buffer cylinder 87 are respectively The guide plate 86 and the conveying device 7 are hinged, and the buffer cylinder 87 drives the guide plate 86 to rotate, so that the side of the guide plate 86 away from the buffer plate 85 can be close to the conveying device 7 . The buffer plate 85 buffers the steel pipe 2 to eliminate the impact force of the steel pipe 2 sliding from the slide plate 81, and then the buffer cylinder 87 drives the guide plate 86 to rotate close to the conveying device 7, and the steel pipe 2 rolls along the guide plate 86 onto the conveying device 7, lowering the steel pipe 2 The impact force on the conveying device 7, avoiding the impact force of the steel pipe 2 from damaging the conveying device 7.

The conveying device 7 includes a plate conveyor, the steel pipe 2 falls on the conveying device 7, and after the guide plate 86 is reset, the conveying device 7 starts to convey the steel pipe 2 forward, and the steel pipe 2 gathers at the front end of the conveying device 7 to facilitate the hanging of the steel pipe 2 Transport, then the delivery device 7 is closed, and the next time the steel pipe 2 falls on the delivery device 7 and restarts. The hoisting of the steel pipes 2 in this embodiment can be completed directly at the front end of the conveying device 7, without walking along the abutment 1 to hoist the cut steel pipes 2 one by one, the hoisting is simple and convenient, and the collection and installation of the cut steel pipes 2 is convenient. car.

In another embodiment, a conveyor belt 9 is provided inside the base platform 1, one end of the conveyor belt 9 is arranged in the cavity, and the other end of the conveyor belt 9 extends outside the base platform 1, and is used to pull the conveyor belt from the roller groove and the long groove The fallen debris is transported to the outside of the base 1, and a collection bin is provided below the outer end of the conveyor belt 9, and the collection bin collects the debris transported by the conveyor belt 9.

The present application also includes an embodiment of an operating method of an intelligent municipal underground steel pipe high-precision circular cutting device. An operating method of an intelligent municipal underground steel pipe high-precision circumcision device includes the following steps:

1) Use a crane to hoist the entire steel pipe 2 between the driving roll and the driven roller 41, and place one end of the steel pipe 2 close to the limit device;

2) Drive the axial telescopic assembly 51 to extend the radial telescopic assembly 52 from the port at one end of the steel pipe 2 into the interior of the steel pipe 2; then drive the radial telescopic assembly 52 to extend and fix the steel pipe 2;

3) Start the driving motor 31 to drive the steel pipe 2 to rotate, then start the cutting device 6 and move the cutting device 6 to cut the steel pipe 2 in sequence.

All of the above are preferred embodiments of the application, and are not intended to limit the protection scope of the application. Therefore, all equivalent changes made according to the structure, shape, and principle of the application should be covered by the protection scope of the application. Inside.

Claims (9)

1. The utility model provides a high accuracy ring cutting device of intelligent municipal administration underground steel pipe which characterized in that: the grinding device comprises a base platform (1), wherein a limiting device, a driving device and a driven device are mounted on the base platform (1), the limiting device is arranged at one end of the base platform (1), the driving device and the driven device are respectively arranged on two sides of the base platform (1), the driving device comprises a driving motor (31) and a plurality of driving rollers (32), the plurality of driving rollers (32) are arranged at intervals along the length direction of the base platform (1), and the driving motor (31) is connected with the driving rollers (32) and drives the driving rollers (32) to rotate; the driven device comprises a driven frame and a plurality of driven rollers (41), the driven frame is installed on the base platform (1), the driven rollers (41) are rotatably installed on the driven frame, and the plurality of driven rollers (41) are arranged at intervals along the length direction of the base platform (1); the limiting device comprises an axial telescopic assembly (51) capable of stretching along the length direction of the base platform (1) and a radial telescopic assembly (52) used for connecting a steel pipe (2), wherein the axial telescopic assembly (51) is installed on the base platform (1), and the radial telescopic assembly (52) is rotatably installed at one end, facing the driving roller (32), of the axial telescopic assembly (51); a cutting device (6) used for cutting the steel pipe (2) is installed on one side of the base platform (1), and the cutting device (6) can move along the length direction of the base platform (1).

2. The high-precision circular cutting device for the intelligent municipal underground steel pipes according to claim 1, characterized in that: the axial telescopic component (51) comprises a screw rod (511), the screw rod (511) is in threaded connection with the base station (1), the screw rod (511) faces one end of the driving roller (32) and is provided with a bearing (512), the radial telescopic component (52) comprises a sleeve (521), a rotating sleeve (522), a plurality of telescopic rods (523), a plurality of support rods (525) and a plurality of support plates (524), the sleeve (521) is sleeved outside the screw rod (511) and is in threaded connection with the screw rod (511), the rotating sleeve (522) is rotatably connected with the sleeve (521), the plurality of telescopic rods (523), the plurality of support rods (525) and the plurality of support plates (524) are in one-to-one correspondence in position and quantity, two ends of each telescopic rod (523) are respectively hinged to the rotating sleeve (522) and the support plate (524), two ends of each support rod (525) are respectively hinged to the support plate (524) and the bearing (512), and the telescopic rods (523) can drive the support plates (524) to be unfolded to tightly abut against the inner wall of the steel pipe (2).

3. The high-precision circular cutting device for the intelligent municipal underground steel pipes according to claim 1, characterized in that: the driven device further comprises a lifting cylinder (43), the driven frame is connected with the base platform (1) in a sliding mode and can slide up and down along the base platform (1), two ends of the lifting cylinder (43) are connected with the base platform (1) and the driven frame respectively, the lifting cylinder (43) drives the driven frame to move up and down, and the driven roller (41) can be lower than the upper surface of the base platform (1).

4. The high-precision circular cutting device for the intelligent municipal underground steel pipes according to claim 3, wherein: base station (1) in conveyor (7) are installed to one side of slave unit, be equipped with between conveyor (7) and base station (1) be used for with steel pipe (2) on base station (1) are led to guider on conveyor (7), guider's both ends are connected respectively conveyor (7) and base station (1).

5. The high-precision circular cutting device for the intelligent municipal underground steel pipes according to claim 4, wherein: guider includes slide (81), first baffle (82), second baffle (83) and pin (84), the one end of slide (81) is connected base station (1) is less than the upper surface of base station (1), the other end of slide (81) is located the top of conveyer belt (9), first baffle (82) and second baffle (83) install respectively in the both sides of slide (81), the main aspects orientation that horn mouth form and horn mouth are set to slope respectively to first baffle (82) and second baffle (83) base station (1), pin (84) install in base station (1) is connected the position of slide (81), pin (84) are close to first baffle.

6. The intelligent municipal underground steel pipe high-precision circular cutting device according to claim 5, wherein: slide (81) are close to one side of conveyor (7) is equipped with buffer board (85), buffer board (85) span in the top and the slope setting of conveyor (7), the low side orientation of buffer board (85) conveyor (7), the low side of buffer board (85) articulates there is baffle (86), baffle (86) are connected with cushion cylinder (87), cushion cylinder (87) are located the below of baffle (86) and drive baffle (86) rotate, baffle (86) are kept away from one side of buffer board (85) can be pressed close to conveyor (7).

7. The high-precision circular cutting device for the intelligent municipal underground steel pipes according to claim 4, wherein: the upper surface of the base platform (1) inclines downwards towards one side of the conveying device (7).

8. The intelligent municipal underground steel pipe high-precision circular cutting device according to claim 3, wherein: driven frame is connected with many push rods (42), many push rod (42) are followed the length direction interval distribution of base station (1), the middle part of push rod (42) is rotated and is connected base station (1), the one end of push rod (42) is located the below of driven frame can be followed driven frame goes up and down, the other end of push rod (42) extends to the top of base station (1) can promote steel pipe (2) to one side of driven gyro wheel (41) is removed, be equipped with reset spring between push rod (42) and the base station (1), reset spring's both ends difference fixed connection push rod (42) and base station (1).

9. The method of operating an intelligent municipal underground steel pipe high-precision ring cutting apparatus according to any one of claims 1 to 8, comprising the steps of:

1) Hoisting the whole steel pipe (2) between the driving rolling wheel and the driven roller (41) by using a crane, and enabling one end of the steel pipe (2) to be close to the limiting device;

2) Driving the axial telescopic assembly (51) to extend the radial telescopic assembly (52) into the steel pipe (2) from the port at one end of the steel pipe (2); then the radial telescopic component (52) is driven to stretch and fixedly connect the steel pipe (2);

3) And starting the driving motor (31), driving the steel pipe (2) to rotate, then starting the cutting device (6) and moving the cutting device (6), and sequentially cutting the steel pipe (2).

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