CN113799044B

CN113799044B - Application method of adhesive tape replacing vehicle

Info

Publication number: CN113799044B
Application number: CN202110908463.8A
Authority: CN
Inventors: 贾福音
Original assignee: Xuzhou Sansen Weier Mine Technology Co ltd
Current assignee: Xuzhou Sansen Weier Mine Technology Co ltd
Priority date: 2020-07-24
Filing date: 2020-07-24
Publication date: 2023-11-03
Anticipated expiration: 2040-07-24
Also published as: CN113799044A; CN112008642B; CN113697567A; CN112008642A

Abstract

The invention discloses a use method of an adhesive tape replacing vehicle, which comprises an upper layer crawler belt part, a middle layer crawler belt part, a lower layer crawler belt part, an anti-deviation part and a centralized electric control part, wherein the adhesive tape replacing vehicle can continuously and synchronously retract and release adhesive tapes; the using method specifically comprises the steps of equipment transfer, tape replacement preparation, new tape input positioning, old tape input positioning, tape replacement and the like. The invention can flexibly adjust the working position according to the specific working condition of the construction site, can realize the complete matching of the new tape unwinding speed and the old tape winding speed, realizes the automatic balance of the tension of the recovered tape and the resistance of the released new tape in the process of replacing the tape, and has higher synchronism, stability and safety; the continuous wavy crawler belt surface concave-convex clamping and clamping adhesive tape clamping mode is adopted, adhesive tape is not damaged, stable clamping can be ensured, a mode that a plurality of adhesive tape replacing vehicles capable of continuously and synchronously collecting and releasing adhesive tape are connected in series for combined use can be adopted, and the continuous wavy crawler belt surface concave-convex clamping and clamping adhesive tape clamping device is particularly suitable for adhesive tape replacement of an ultra-long-distance belt conveyor.

Description

Application method of adhesive tape replacing vehicle

Technical Field

The invention relates to a use method of an adhesive tape replacing vehicle, in particular to a use method of an adhesive tape replacing vehicle suitable for replacing an adhesive tape of a large-sized belt conveyor used in places such as coal mines, wharfs and the like, and belongs to the technical field of belt conveyor maintenance equipment.

Background

The belt conveyer is also called as rubber belt conveyer or belt conveyer, and is a machine for continuously conveying material by means of friction drive, mainly includes machine frame, conveying belt, carrier roller, drum, tensioning device and driving device, etc. it can form a conveying process of material on a certain conveying line from initial feeding point to final discharging point, and can be extensively used in the industries of metallurgy, mine, electric power and chemical industry, etc..

The belt conveyor has the advantages of large conveying capacity, simple structure, low cost, strong universality and the like, has an irreplaceable function in coal mine production, and is main equipment for realizing the transportation of coal from a downhole coal mining working face to the ground. The rubber belt with the steel wire rope core is used as a carrier for carrying and transporting coal, and in the long-time use process, the friction between the belt surface and materials and the friction between the rubber belt and a roller can lead to the scratch of the belt surface of the rubber belt, even accidents such as belt breakage and belt slipping occur, so that the rubber belt is required to be replaced regularly in order to ensure safe and stable operation. However, along with the gradual development of coal mining to deep, deep mine mining causes the super long distance belt conveyor that the conveying distance exceeds kilometers to popularize gradually, and super long distance belt conveyor is usually power big, the transportation is big, and its sticky tape adopts a plurality of sticky tape sections to connect as an organic wholely structure through the sticky tape joint generally, not only is bulky, weight big, and colliery underground operating mode environment is complicated, the area changing degree of difficulty is big moreover, therefore causes the work of changing the sticky tape not only to need to throw in a large amount of manpower and materials, and the area changing process risk is great moreover.

The existing tape replacing method is to transport the tape replacing device under a mine, then fixedly arrange the tape replacing device under a machine head driving roller of a belt conveyor for replacing the tape, then break the old tape, connect the new tape transported by the tape replacing device for transporting the new tape at one end of the old tape, pull the other end of the old tape back to be recycled by the tape replacing device for recycling the old tape, and realize tape replacement by pulling the new tape by the old tape for laying. The existing adhesive tape replacing device for clamping the conveying adhesive tape has the following defects:

1. in order to realize stable traction, the positioning and mounting positions of the adhesive tape replacing device are additionally arranged under the mine, however, the underground working condition environment of the coal mine is complex, and particularly for the ultra-kilometer mine, the transportation and positioning and mounting of the adhesive tape replacing device are relatively difficult;

2. aiming at the ultra-long distance belt conveyor, if the power of the belt replacing device is not matched, the situation that the clamping force for clamping the belt is insufficient or the traction force for pulling the belt is insufficient, and the belt is slipped or pulled still is caused, so that the belt replacing device with enough power is required to be matched, the volume and the weight of the belt replacing device are increased in an intangible way, and the transportation, the positioning and the installation are more difficult;

3. In order to facilitate transportation and positioning installation, the adhesive tape replacement device for conveying the new belt and the adhesive tape replacement device for recovering the old belt are usually respectively arranged and respectively positioned and installed, so that the situation that the tape unwinding speed of the new belt is not matched with the tape winding speed of the old belt is easy to occur, and the situation that the paving quality of the new belt is poor or the tape replacement time is increased is easy to cause.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a use method of a tape replacing vehicle, which can realize convenient transportation and flexible positioning and installation of equipment on the premise of ensuring synchronous matching of the new conveyor belt unwinding speed and the old conveyor belt winding speed, can match equipment power according to specific working conditions, and is particularly suitable for tape replacement of an ultra-long-distance belt conveyor.

In order to achieve the above purpose, the adhesive tape replacing vehicle capable of continuously and synchronously winding and unwinding the adhesive tape used by the using method of the adhesive tape replacing vehicle comprises an upper layer crawler belt part, a middle layer crawler belt part, a lower layer crawler belt part, an anti-deviation part and a centralized electric control part;

the upper layer crawler belt part comprises an upper layer crawler belt frame and an upper layer crawler belt, wherein the upper layer crawler belt frame is arranged on the upper layer crawler belt frame of the frame structure in a bilateral symmetry manner; the middle layer crawler belt part comprises a middle layer crawler belt frame and middle layer crawler belts, wherein the middle layer crawler belts are symmetrically arranged in left-right mode and correspond to the upper layer crawler belts; the lower crawler belt part comprises a lower crawler belt frame and lower crawler belts, and two sets of lower crawler belts are symmetrically arranged left and right and correspond to the middle crawler belt; each set of upper layer track, middle layer track and lower layer track comprises a track which is connected end to end and is annular, a track driving chain wheel and a track supporting structure which are arranged in the track annular structure, the track driving chain wheels which are arranged in a rolling way back and forth comprise track driving components, and the track driving chain wheels of the upper layer track, the middle layer track and the lower layer track are respectively provided with a rotation angle sensor;

The upper layer crawler frame and the lower layer crawler frame are respectively connected with the middle layer crawler frame through a lifting guide connecting mechanism, a clamping control part I capable of controlling the lifting of the upper layer crawler frame relative to the middle layer crawler frame is arranged between the upper layer crawler frame and the middle layer crawler frame, a clamping control part II capable of controlling the lifting of the lower layer crawler frame relative to the middle layer crawler frame is arranged between the lower layer crawler frame and the middle layer crawler frame, a plurality of telescopic supporting legs which are vertically and downwardly arranged in a telescopic manner are also arranged on the lower layer crawler frame, and each telescopic supporting leg comprises a supporting leg telescopic control part;

the upper layer crawler belt, the middle layer crawler belt and the lower layer crawler belt are all of a structure formed by hinging a plurality of wavy chain plates in sequence, the outer surface of each wavy chain plate comprises an arc convex surface and an arc concave surface, and when the wavy chain plates are in a linear motion state, the arc convex surfaces and the arc concave surfaces of two adjacent wavy chain plates jointly form a continuous wavy structure;

the anti-deviation part comprises anti-deviation parts which are arranged corresponding to the side positions of the adhesive tapes and are symmetrically arranged left and right, the anti-deviation parts are positioned and arranged on the left and right sides of the middle layer track frame, or the anti-deviation parts are arranged on the left and right sides of the upper layer track frame and the lower layer track frame, the anti-deviation parts are provided with edge distance sensors, and the edge distance sensors are uniformly distributed in a plurality along the front and rear directions;

The centralized electric control part comprises a central controller, an upper layer track frame lifting control loop, an upper layer track control loop, a middle layer track control loop, a lower layer track frame lifting control loop, a lower layer track control loop, a landing leg telescopic control loop, an automatic correction control loop and an automatic correction control loop, wherein the central controller is respectively and electrically connected with a clamping control part I, a clamping control part II, a landing leg telescopic control part of a telescopic landing leg, a track driving part of an upper layer track, a track driving part of a middle layer track, a track driving part of a lower layer track, a rotation angle sensor and a plurality of belt edge distance sensors;

the adhesive tape replacing method specifically comprises the following steps:

a. and (3) transferring the equipment: the central controller controls the clamping control part II to act through the lifting control loop of the lower track frame to enable the lower track frame to drive the lower track to move downwards to a set distance, then the central controller controls the telescopic support legs to fully retract through the support leg telescopic control loop, the whole adhesive tape replacing vehicle capable of continuously and synchronously retracting the adhesive tape moves downwards to enable the bottom plane of the lower track to be attached to the ground, and the central controller controls the track driving part of the lower track to act through the lower track control loop to enable the whole vehicle to move forwards and backwards or steer automatically;

b. Preparation of a replacement belt: after the rubber belt replacing vehicle capable of continuously and synchronously winding and unwinding rubber belts is controlled to be stopped at a set position corresponding to a head driving roller of a belt conveyor of the rubber belt to be replaced, a central controller controls the telescopic supporting legs to extend out and firmly support the rubber belt replacing vehicle on the ground through supporting leg telescopic control loops, then the central controller controls a clamping control part I to act through an upper-layer crawler frame lifting control loop to enable an upper-layer crawler frame to drive the upper-layer crawler to move upwards to a set distance, the central controller calculates the angles of the crawler driving chain wheels of the upper-layer crawler and the lower-layer crawler relative to the crawler driving chain wheels of the middle-layer crawler respectively according to feedback of a rotation angle sensor of the middle-layer crawler and feedback of rotation angle sensors of the upper-layer crawler and the lower-layer crawler, and then the controller controls the crawler driving parts of the upper-layer crawler and the lower-layer crawler to act through an upper-layer crawler control loop and a lower-layer crawler control loop respectively to conduct micro-adjustment, so that a continuous wavy crawler surface at the bottom of the upper-layer crawler and a continuous wavy surface at the top of the middle-layer crawler can be in concave-convex clamping fit, and a continuous wavy surface at the top of the lower-layer crawler can be in concave-convex clamping fit;

c. New tape input positioning: the head end of a new adhesive tape passes through a gap between the upper layer track and the middle layer track from back to front, and then the central controller controls the clamping control part I to act through the lifting control loop of the upper layer track frame so that the upper layer track frame drives the upper layer track to move downwards to a set distance, and the new adhesive tape is firmly clamped by the continuous wavy track surfaces of the upper layer track and the middle layer track;

d. old adhesive tape input positioning: after loosening the belt tensioning device of the belt conveyor of the belt to be replaced, breaking the old belt, firmly connecting the end part of the old upward belt with the head end of the new belt through a belt buckle, penetrating the end part of the old downward belt into a gap between the lower-layer crawler belt and the middle-layer crawler belt from front to back, and controlling the action of the clamping control part II through the lifting control loop of the lower-layer crawler belt frame by the central controller to enable the whole belt replacing vehicle capable of continuously and synchronously winding and unwinding the belt to move downwards to a set distance, wherein the old belt is firmly clamped by the continuous wavy crawler belt surfaces of the lower-layer crawler belt and the middle-layer crawler belt;

e. replacement of the adhesive tape: the central controller controls the crawler driving components of the upper crawler, the middle crawler and the lower crawler to synchronously rotate through the upper crawler control loop, the middle crawler control loop and the lower crawler control loop, the old crawler is clamped and conveyed by the lower crawler and the middle crawler stably, the new crawler is clamped and conveyed by the upper crawler and the middle crawler stably, a plurality of belt edge distance sensors feed back the distances between the belt edges of the new crawler and the old crawler to the central controller in real time, if the old crawler or the new crawler deviates to the left side and exceeds a set distance range, the central controller starts an automatic correction control loop, the central controller sends an instruction to control the action of the clamping control component I or the clamping control component II positioned on the right side, the upper crawler or the lower crawler positioned on the right side is in a non-meshed loose clamping state, and when the distance between the belt edge distance sensors feeds back the belt edges of the old crawler to the belt edge distance sensors is positioned in the set distance range, the central controller controls the clamping control component I or the clamping control component II positioned on the right side to act, and the upper crawler or the lower crawler positioned on the right side is enabled to restore to the clamping state; if the old adhesive tape or the new adhesive tape deviates to the right and exceeds a set distance range, the central controller starts an automatic correction control loop, and the central controller sends out an instruction to control the left clamping control component I or the left clamping control component II to act, so that the left upper layer track or the left lower layer track is in a non-meshed loose clamping state, and when the distance from the tape edge of the feedback adhesive tape of the tape edge distance sensor to the tape edge distance sensor is in the set distance range, the central controller controls the left clamping control component I or the left clamping control component II to act, and the left upper layer track or the left lower layer track is restored to the meshed clamping state; after the old adhesive tape is recovered, the old adhesive tape connected with the head end of the new adhesive tape is removed, the head end of the new adhesive tape is firmly connected with the tail end of the new adhesive tape through a belt buckle, and an adhesive tape tensioning device of the belt conveyor is started to tension the new adhesive tape, so that the replacement of the adhesive tape is completed.

As a further improvement scheme of the invention, a plurality of adhesive tape replacing vehicles capable of continuously and synchronously winding and unwinding the adhesive tapes are combined in a serial connection mode for replacing the adhesive tapes of the ultra-long-distance belt conveyor.

In the step b, the central controller controls the telescopic support legs to extend out completely and stably to be supported on the ground through the support leg telescopic control loop, and the telescopic support legs are fixedly connected with the head frame of the belt conveyor to be replaced through the auxiliary beam into a whole.

As a further improvement scheme of the invention, a spacing adjusting mechanism capable of synchronously adjusting spacing relative to a symmetrical bisection plane is arranged between two sets of upper-layer tracks which are symmetrical left and right of an upper-layer track part, between two sets of middle-layer tracks which are symmetrical left and right of a middle-layer track part and between two sets of lower-layer tracks which are symmetrical left and right of a lower-layer track part; the centralized electric control part also comprises a track space adjusting loop, and the central controller is respectively and electrically connected with the space adjusting mechanism;

or, the left upper layer track of the upper layer track part, the left middle layer track of the middle layer track part and the left lower layer track of the lower layer track part are connected into a whole through a left connecting frame, the right upper layer track of the upper layer track part, the right middle layer track of the middle layer track part and the right lower layer track of the lower layer track part are connected into a whole through a right connecting frame, a spacing adjusting mechanism capable of synchronously adjusting the spacing relative to the symmetrical bisection surface is arranged between the left connecting frame and the right connecting frame, the centralized electric control part further comprises a track spacing adjusting loop, and the central controller is electrically connected with the spacing adjusting mechanism;

In the step b, after the central controller controls the telescopic support legs to extend out completely and stably to be supported on the ground through the support leg telescopic control loop, the central controller controls the interval adjusting mechanism to act in cooperation with adjusting the interval size between two sets of upper-layer tracks which are symmetrical left and right of an upper-layer track part, the interval size between two sets of middle-layer tracks which are symmetrical left and right of a middle-layer track part and the interval size between two sets of lower-layer tracks which are symmetrical left and right of a lower-layer track part through the track interval adjusting loop according to the bandwidth size of the belt conveyor of the adhesive tape to be replaced.

As a further improvement scheme of the invention, at least the track ring structure of the middle layer track is internally provided with a track tensioning mechanism which is arranged in a telescopic way along the front-back direction; the centralized electric control part also comprises a track tensioning adjustment loop, and the central controller is electrically connected with the track tensioning mechanism; the central controller controls the action of the track tensioning mechanism through the track tensioning adjustment loop to tension the track.

As a further improvement scheme of the invention, the centralized electric control part also comprises a remote controller, and the remote controller is in wireless connection with the central controller; an operator can control the tape replacing vehicle capable of continuously and synchronously winding and unwinding the tape through the remote controller.

As the preferable scheme of the invention, the crawler driving parts of the upper crawler belt, the middle crawler belt and the lower crawler belt are all of hydraulic motor structures, and the clamping control part I, the clamping control part II and the landing leg expansion control part are all of hydraulic cylinder structures; the adhesive tape replacing vehicle capable of continuously and synchronously winding and unwinding the adhesive tape further comprises a vehicle-mounted hydraulic system, wherein the vehicle-mounted hydraulic system comprises a hydraulic pump station and a control valve group, and a central controller of the centralized electric control part is electrically connected with the hydraulic pump station and the control valve group respectively; the central controller controls the action of the tape replacing vehicle capable of continuously and synchronously winding and unwinding the tape in a hydraulic control mode.

As a further improvement scheme of the invention, at least the position of the old adhesive tape input end of the middle layer track frame is provided with an adhesive tape brake which can prevent the adhesive tape from reversing when the adhesive tape reverses; the centralized electric control part also comprises an adhesive tape braking loop, and the central controller is respectively and electrically connected with the adhesive tape brakes; in step e, after the old adhesive tape is recovered, the central controller controls the action of the adhesive tape brake through the adhesive tape brake loop to lock the head end of the new adhesive tape pulled by the old adhesive tape, and then the old adhesive tape connected with the head end of the new adhesive tape is removed.

Compared with the prior art, the adhesive tape replacing vehicle capable of continuously and synchronously retracting the adhesive tape can realize front and back movement and steering walking of the whole vehicle by controlling the rotation of the bilateral symmetry lower crawler after the telescopic support legs are controlled to completely retract and the lower crawler frame is controlled to drive the lower crawler to move downwards so that the bottom plane of the lower crawler is attached to the ground, is flexible, can flexibly adjust the working position according to the specific working condition of a construction site, and is convenient to transport; for the replacement of the adhesive tape of the ultra-long distance belt conveyor, a plurality of low-power adhesive tape replacing vehicles can be combined in a serial mode to ensure enough matching power, so that the relatively small volume and weight of the adhesive tape replacing vehicles can be realized, and the flexibility of the adhesive tape replacing vehicles can be further increased; the adhesive tape replacing vehicle capable of continuously and synchronously winding and unwinding the adhesive tape adopts the mode that the upper layer track, the middle layer track and the lower layer track synchronously clamp the new adhesive tape and the old adhesive tape, so that the novel adhesive tape winding speed and the old adhesive tape winding speed can be completely matched, the tension of the recovered adhesive tape and the resistance of the released novel adhesive tape in the adhesive tape replacing process are automatically balanced, the synchronism, the stability and the safety are higher, the upper layer track, the middle layer track and the lower layer track which are formed by sequentially hinging a plurality of wavy chain plates are in a mode that continuous wavy track surfaces are matched with each other in a concave-convex clamping mode, the adhesive tape is not damaged, stable clamping can be ensured, and the adhesive tape replacing vehicle is particularly suitable for the adhesive tape replacing of an ultra-long-distance belt conveyor.

Drawings

FIG. 1 is a schematic three-dimensional structure of a tape changing vehicle capable of continuously and synchronously winding and unwinding a tape;

FIG. 2 is a schematic three-dimensional view of an upper track portion of a tape changing truck with continuous and synchronized retraction of tape;

FIG. 3 is a schematic three-dimensional view of a middle track portion of a tape changing truck with continuous and synchronized tape retraction;

FIG. 4 is a schematic three-dimensional view of the lower track portion of the tape changing truck with continuous and synchronized retraction of the tape;

FIG. 5 is a schematic view of a tape changing truck capable of continuously and synchronously winding and unwinding a tape while changing the tape;

fig. 6 is a schematic view of the structure of the wavy link plate of the tape changing vehicle holding the tape while continuously and synchronously winding and unwinding the tape.

In the figure: 1. an upper layer track part, 11, an upper layer track frame, 12, an upper layer track, 2, a middle layer track part, 21, a middle layer track frame, 22, a middle layer track, 3, a lower layer track part, 31, a lower layer track frame, 32, a lower layer track, 33 and a telescopic supporting leg.

Detailed Description

The present invention will be further described with reference to the accompanying drawings (hereinafter, the description will be made with the left direction of fig. 5 as the front).

As shown in fig. 1, the tape changing vehicle capable of continuously and synchronously winding and unwinding the tape comprises an upper layer track part 1, a middle layer track part 2, a lower layer track part 3 and a centralized electric control part.

As shown in fig. 2, the upper track portion 1 includes an upper track frame 11 and an upper track 12, two sets of upper tracks 12 are symmetrically arranged left and right, each set of upper track 12 includes an endless track connected end to end and a track driving sprocket and a track supporting structure inside the endless track structure, the track driving sprocket is symmetrically arranged front and back to form two pieces, the track supporting structure is arranged between the two track driving sprockets, the track supporting structure may be a structure of track supporting rollers uniformly arranged in front and back directions to form multiple pieces, or a structure of track supporting rollers uniformly arranged in front and back directions to form multiple pieces, the track driving sprocket is arranged in front and back directions to form a track driving part, the track driving part may be a hydraulic motor structure, or a motor structure, and other structures, preferably a hydraulic motor structure.

As shown in fig. 3 and 4, the structure of the middle layer track portion 2 and the lower layer track portion 3 is similar to that of the upper layer track portion 1, the middle layer track portion 2 comprises a middle layer track frame 21 and a middle layer track 22, the middle layer tracks 22 symmetrically arranged in two sets are arranged corresponding to the upper layer track 12, the lower layer track portion 3 comprises a lower layer track frame 31 and a lower layer track 32 symmetrically arranged in two sets, the lower layer track 32 symmetrically arranged in two sets is arranged corresponding to the middle layer track 22, each set of the middle layer track 22 and the lower layer track 32 comprises a track driving sprocket and a track supporting structure which are connected end to end and are in an annular shape, and the track driving sprockets arranged in the annular structure of the track roll around all comprise track driving components.

As shown in fig. 1, the upper crawler frame 11 and the lower crawler frame 31 are respectively connected with the middle crawler frame 21 through lifting guide connection mechanisms arranged in the vertical direction, a clamping control component i capable of controlling the upper crawler frame 11 to lift relative to the middle crawler frame 21 is arranged between the upper crawler frame 11 and the middle crawler frame 21, a clamping control component ii capable of controlling the lower crawler frame 31 to lift relative to the middle crawler frame 21 is arranged between the lower crawler frame 31 and the middle crawler frame 21, the lifting guide connection mechanisms can be guide sleeves and guide post structures arranged in a matched manner or can be other structures such as guide protrusions and guide grooves arranged in a matched manner, the clamping control component i and the clamping control component ii can be of a hydraulic cylinder structure or other telescopic control structures such as an electric cylinder structure, preferably of a hydraulic cylinder structure, as shown in fig. 4, a plurality of telescopic support legs 33 are further arranged on the lower crawler frame 31 in a vertically downward telescopic manner, and the telescopic support legs 33 comprise telescopic control components of a hydraulic cylinder structure, a hydraulic cylinder structure or other telescopic control structures such as an electric cylinder structure, preferably of a hydraulic cylinder structure.

As shown in fig. 6, the tracks of the upper track 12, the middle track 22 and the lower track 32 are all formed by hinging a plurality of wavy link plates in sequence, the outer surface of each wavy link plate comprises an arc convex surface and an arc concave surface, and when the wavy link plates are in a linear motion state, the arc convex surfaces and the arc concave surfaces of two adjacent wavy link plates jointly form a continuous wavy structure.

The centralized electric control part comprises a central controller, an upper layer track frame lifting control loop, an upper layer track control loop, a middle layer track control loop, a lower layer track frame lifting control loop, a lower layer track control loop and a supporting leg telescopic control loop, wherein the central controller is respectively and electrically connected with a clamping control part I, a clamping control part II, a supporting leg telescopic control part of a telescopic supporting leg 33, a track driving part of an upper layer track 12, a track driving part of a middle layer track 22 and a track driving part of a lower layer track 32.

When the adhesive tape replacing vehicle capable of continuously and synchronously winding and unwinding the adhesive tape is in a transportation transition state, the central controller can control the clamping control part II to act through the lifting control loop of the lower track frame to enable the lower track frame 31 to drive the lower track 32 to move downwards to a set distance, then the central controller can control the telescopic support legs 33 to completely retract through the telescopic support leg control loop, the adhesive tape replacing vehicle capable of continuously and synchronously winding and unwinding the adhesive tape can integrally move downwards to enable the bottom plane of the lower track 32 to be attached to the ground, the central controller can control the track driving part of the lower track 32 to act through the lower track control loop, and can control the front and back movement of the whole vehicle through the synchronous and same-direction rotation of the lower track 32, and control the steering of the whole vehicle through the synchronous and different-direction rotation of the lower track 32 with bilateral symmetry, so that the vehicle is flexible.

When the belt conveyor with the belt to be replaced is used for replacing the belt by using the belt replacing vehicle capable of continuously and synchronously winding and unwinding the belt, as shown in fig. 5, after the belt replacing vehicle capable of continuously and synchronously winding and unwinding the belt is controlled to be stopped at the set position of the head driving roller of the belt conveyor corresponding to the belt to be replaced, the central controller controls the telescopic support legs 33 to extend completely and stably to be supported on the ground through the support leg telescopic control loop, the lower-layer crawler 32 is in a suspended state separated from the middle-layer crawler 22, then the central controller controls the clamping control part I to act through the upper-layer crawler frame lifting control loop to enable the upper-layer crawler frame 11 to drive the upper-layer crawler 12 to move upwards to a set distance, the upper layer track 12 is in a suspended state separated from the middle layer track 22, and then the central controller respectively controls the upper layer track 12 and the lower layer track 32 to perform micro-motion adjustment through an upper layer track control loop and a lower layer track control loop, so that the continuous wave-shaped track surface at the bottom of the upper layer track 12 can be in concave-convex clamping fit with the continuous wave-shaped track surface at the top of the middle layer track 22, and the continuous wave-shaped track surface at the top of the lower layer track 32 can be in concave-convex clamping fit with the continuous wave-shaped track surface at the bottom of the middle layer track 22; the head end of a new adhesive tape passes through a gap between the upper layer track 12 and the middle layer track 22 from back to front, and then the central controller controls the action of the clamping control component I through the lifting control loop of the upper layer track frame to drive the upper layer track 12 to move downwards to a set distance, so that the new adhesive tape is firmly clamped by the continuous wavy track surfaces of the upper layer track 12 and the middle layer track 22; after loosening the belt tensioning device of the belt conveyor with the belt to be replaced, breaking the old belt, firmly connecting the end part of the old upward belt with the head end of the new belt through a belt buckle, penetrating the end part of the old downward belt into a gap between the lower crawler 32 and the middle crawler 22 from front to back, and controlling the action of the clamping control part II by the central controller through the lifting control loop of the lower crawler frame to enable the belt replacing vehicle capable of continuously and synchronously winding and unwinding the belt to move downwards to a set distance as a whole, wherein the old belt is firmly clamped by the continuous wavy crawler surfaces of the lower crawler 32 and the middle crawler 22; the central controller controls the track driving parts of the upper track 12, the middle track 22 and the lower track 32 to synchronously rotate through the upper track control loop, the middle track control loop and the lower track control loop, as shown in fig. 5, the track driving parts of the upper track 12 and the lower track 32 synchronously rotate clockwise, the track driving parts of the middle track 22 synchronously rotate anticlockwise, that is, the old adhesive tape is firmly clamped and conveyed by the lower track 32 and the middle track 22, the new adhesive tape is firmly clamped and conveyed by the upper track 12 and the middle track 22, the new adhesive tape releasing speed is matched with the old adhesive tape winding speed, after the old adhesive tape is completely recovered, the first end of the new adhesive tape is firmly connected with the tail end of the new adhesive tape through a buckle, and the tensioning device of the belt conveyor is started to tension the new adhesive tape.

For the replacement of the adhesive tape of the ultra-long distance belt conveyor, a plurality of adhesive tape replacing vehicles capable of continuously and synchronously winding and unwinding the adhesive tape can be combined in a serial connection mode to ensure enough matching power.

In order to prevent the deviation of the new adhesive tape in the process of inputting the new adhesive tape and the process of outputting the old adhesive tape, and further influence the new adhesive tape input and the old adhesive tape output, as a further improvement scheme of the invention, the adhesive tape replacing vehicle capable of continuously and synchronously winding and unwinding the adhesive tape further comprises a deviation preventing part, wherein the deviation preventing part comprises deviation preventing parts which are arranged corresponding to the side positions of the adhesive tape and are symmetrically arranged on the left side and the right side of the middle-layer track frame 21, or the deviation preventing parts are arranged on the left side and the right side of the upper-layer track frame 11 and the lower-layer track frame 31. The anti-deviation component can adopt a mechanical control structure, namely, the anti-deviation component is an anti-deviation vertical roller which is vertically arranged in the axial direction, a plurality of anti-deviation vertical rollers which are uniformly arranged in the front-back direction can freely rotate, the span size between the left row and the right row of anti-deviation vertical rollers is matched with the width size of the adhesive tape, and if the adhesive tape is deviated in the conveying process, the anti-deviation vertical rollers can block the adhesive tape. The anti-deviation component can also adopt an electrical control structure, namely, the anti-deviation component is provided with a plurality of belt edge distance sensors corresponding to the side positions of the adhesive tapes, the belt edge distance sensors are uniformly distributed along the front-back direction, the centralized electric control part also comprises an automatic deviation rectifying control loop, and the central controller is respectively and electrically connected with the plurality of belt edge distance sensors; in the process of conveying the adhesive tape, a plurality of tape edge distance sensors feed back the distances from the tape edge to the tape edge distance sensors of the new adhesive tape and the old adhesive tape to the central controller in real time, if the adhesive tape deviates to the left side and exceeds a set distance range, the central controller starts an automatic correction control loop, the central controller sends out instructions to control a clamping control part I or a clamping control part II positioned on the right side to act, so that an upper layer track 12 or a lower layer track 32 on the right side is in a non-meshed loose clamping state, the adhesive tape gradually moves to the right side under the traction action of the upper layer track 12 or the lower layer track 32 in the left side meshed clamping state, and when the tape edge distance sensor feeds back the distance from the tape edge to the tape edge distance sensors to be positioned in the set distance range, the central controller controls the clamping control part I or the clamping control part II positioned on the right side to act, and the upper layer track 12 or the lower layer track 32 on the right side is restored to the meshed clamping state; if the adhesive tape deviates to the right and exceeds the set distance range, the central controller starts an automatic correction control loop, and the central controller sends out instructions to control the left clamping control component I or the left clamping control component II to act, so that the left upper layer track 12 or the left lower layer track 32 is in a non-meshed loose clamping state, the adhesive tape gradually moves to the left under the traction action of the right upper layer track 12 or the right lower layer track 32 in the meshed clamping state, and when the distance from the edge of the adhesive tape to the edge of the tape is fed back by the edge distance sensor, the central controller controls the left clamping control component I or the left clamping control component II to act, so that the left upper layer track 12 or the left lower layer track 32 is restored to the meshed clamping state, and automatic correction is realized.

When the old adhesive tape connected with the head end of the new adhesive tape is removed after the replacement of the adhesive tape is finished, in order to prevent the phenomenon of slipping, as a further improvement scheme of the invention, at least the position of the input end of the old adhesive tape of the middle-layer track frame 21 is provided with an adhesive tape brake which can prevent the adhesive tape from reversing when the adhesive tape reverses; the centralized electric control part also comprises an adhesive tape braking loop, and the central controller is respectively and electrically connected with the adhesive tape brakes. The adhesive tape brake can be of a cam structure which is pressed against the adhesive tape during the tape sliding, a locking pressing plate structure which is pressed against the adhesive tape during the tape sliding, and other structures, and can be controlled hydraulically or directly electrically.

In order to realize the automatic correction of the wavy track surfaces of the upper track 12 and the lower track 32 and the middle track 22 respectively, as a further improvement of the invention, rotation angle sensors are respectively arranged on the track driving sprockets of the upper track 12, the middle track 22 and the lower track 32; the centralized electronic control section also includes an automatic correction control loop, and the central controller is electrically connected to the rotation angle sensors of the upper track 12, the middle track 22, and the lower track 32, respectively. Before the central controller controls the upper layer track 12 and the lower layer track 32 to perform micro-motion adjustment respectively through the upper layer track control loop and the lower layer track control loop, the central controller calculates angles at which the track driving sprockets of the upper layer track 12 and the lower layer track 32 should rotate respectively relative to the track driving sprockets of the middle layer track 22 according to feedback of the rotation angle sensor of the middle layer track 22 and feedback of the rotation angle sensor of the upper layer track 12 and the lower layer track 32, and then controls actions of the track driving components of the upper layer track 12 and the lower layer track 32 to perform micro-motion adjustment respectively.

In order to ensure the stability of the conveying belt, as a further improvement of the invention, when the belt conveyor to be replaced is subjected to the belt replacing operation, the telescopic support leg 33 is fixedly connected with the head frame of the belt conveyor to be replaced into a whole through the auxiliary beam after being fully extended.

In order to facilitate guiding of the transported adhesive tape, as a further development of the invention, the new adhesive tape output end and/or the new adhesive tape input end of the upper track frame 11 are/is horizontally provided with adhesive tape guiding rollers, and the old adhesive tape input end and/or the old adhesive tape output end of the lower track frame 31 are/is also horizontally provided with adhesive tape guiding rollers.

In order to realize the universality of the adhesive tape with different bandwidths, as a further improvement scheme of the invention, a space adjusting mechanism capable of synchronously adjusting the space relative to a symmetrical bisection plane is arranged between two sets of upper-layer tracks 12 which are symmetrical left and right in the upper-layer track part 1, between two sets of middle-layer tracks 22 which are symmetrical left and right in the middle-layer track part 2 and between two sets of lower-layer tracks 32 which are symmetrical left and right in the lower-layer track part 3, the centralized electric control part also comprises a track space adjusting loop, and the central controller is respectively and electrically connected with the space adjusting mechanism; or the left upper layer track 12 of the upper layer track part 1, the left middle layer track 22 of the middle layer track part 2 and the left lower layer track 32 of the lower layer track part 3 are connected through a left connecting frame, the right upper layer track 12 of the upper layer track part 1, the right middle layer track 22 of the middle layer track part 2 and the right lower layer track 32 of the lower layer track part 3 are connected through a right connecting frame, a spacing adjusting mechanism capable of synchronously adjusting the spacing relative to a symmetrical bisection plane is arranged between the left connecting frame and the right connecting frame, the centralized electric control part further comprises a track spacing adjusting loop, and the central controller is electrically connected with the spacing adjusting mechanism. The interval adjusting mechanism can be a bidirectional telescopic hydraulic cylinder structure, can also be other bidirectional interval adjusting structures such as a matched screw nut structure and the like, and can also be other unidirectional interval adjusting structures such as two unidirectional telescopic hydraulic cylinder structures or an electric cylinder structure which are arranged in bilateral symmetry. After the central controller controls the telescopic support legs 33 to extend out completely and stably to be supported on the ground through the support leg telescopic control loop, the central controller controls the interval adjusting mechanism to act and coordinate to adjust the interval size between the two symmetrical upper-layer tracks 12 of the upper-layer track part 1, the interval size between the two symmetrical middle-layer tracks 22 of the middle-layer track part 2 and the interval size between the two symmetrical lower-layer tracks 32 of the lower-layer track part 3 through the track interval adjusting loop according to the bandwidth size of the belt conveyor of the belt to be replaced.

Because the continuous wavy track surface at the top and the bottom of the middle-layer track 22 are respectively matched with the continuous wavy track surface at the bottom of the upper-layer track 12 and the continuous wavy track surface at the top of the lower-layer track 32, in order to prevent dislocation of the continuous wavy track surface during concave-convex clamping matching caused by looseness of the middle-layer track 22 and facilitate installation of wavy chain plates, as a further improvement scheme of the invention, at least the inside of the track annular structure of the middle-layer track 22 is provided with a track tensioning mechanism which is arranged in a telescopic way along the front-back direction, the track tensioning mechanism can be of a hydraulic cylinder structure, an electric cylinder structure or other linear telescopic structures, preferably a hydraulic cylinder structure, the centralized electric control part also comprises a track tensioning adjustment loop, and the central controller is electrically connected with the track tensioning mechanism and controls the action of the track tensioning mechanism through the track tensioning adjustment loop so as to tension the track.

In order to facilitate remote control operation, as a further improvement scheme of the invention, the centralized electric control part also comprises a remote controller, and the remote controller is in wireless connection with the central controller; an operator can control the tape replacing vehicle capable of continuously and synchronously winding and unwinding the tape through the remote controller.

In order to make the whole structure more concise, as a further improvement scheme of the invention, the lifting guide connecting mechanism between the upper layer track frame 11 and the middle layer track frame 21 and the lifting guide connecting mechanism between the lower layer track frame 31 and the middle layer track frame 21 are all guide posts and guide sleeve structures which are arranged in a matched mode, and the clamping control part I and the clamping control part II are arranged in the guide sleeve structures. That is, the lifting guide connection mechanism between the upper crawler frame 11 and the middle crawler frame 21 may be a guide sleeve structure fixedly arranged on the middle crawler frame 21 and a guide post structure fixedly arranged on the upper crawler frame 11, and the clamping control component i is arranged in the guide sleeve structure; the lifting guide connection mechanism between the lower track frame 31 and the middle track frame 21 may be a guide sleeve structure fixedly arranged on the middle track frame 21 and a guide post structure fixedly arranged on the lower track frame 31, the clamping control part II is arranged in the guide sleeve structure, and the telescopic supporting leg 33 is arranged on the guide post. Or, the lifting guide connection mechanism between the upper track frame 11 and the middle track frame 21 may be a guide post structure fixedly arranged on the middle track frame 21 and a guide sleeve structure fixedly arranged on the upper track frame 11, the clamping control part i is arranged in the guide sleeve structure, the lifting guide connection mechanism between the lower track frame 31 and the middle track frame 21 may be a guide post structure fixedly arranged on the middle track frame 21 and a guide sleeve structure fixedly arranged on the lower track frame 31, the clamping control part ii is arranged in the guide sleeve structure, and the telescopic supporting leg 33 is also arranged in the guide sleeve.

As a preferred scheme of the invention, the crawler driving parts of the upper crawler belt 12, the middle crawler belt 22 and the lower crawler belt 32 are all of hydraulic motor structures, and the clamping control part I, the clamping control part II and the landing leg telescopic control part are all of hydraulic cylinder structures; the adhesive tape replacing vehicle capable of continuously and synchronously winding and unwinding the adhesive tape further comprises a vehicle-mounted hydraulic system, wherein the vehicle-mounted hydraulic system comprises a hydraulic pump station and a control valve group, and a central controller of the centralized electric control part is electrically connected with the hydraulic pump station and the control valve group respectively; the central controller controls the action of the tape replacing vehicle capable of continuously and synchronously winding and unwinding the tape in a hydraulic control mode.

In order to increase friction, as a further improvement of the invention, the outer surface of the wavy link plate is provided with a coating layer made of rubber or PVC high-strength material.

The adhesive tape replacing vehicle capable of continuously and synchronously winding and unwinding the adhesive tape can realize the automatic forward and backward movement and steering of the whole vehicle, is flexible, can flexibly adjust the working position according to the specific working condition of a construction site, and is convenient to transport; can realize relatively smaller volume and weight and can be combined in a serial mode; the novel adhesive tape can be completely matched with the winding speed of the old adhesive tape, the tension of the recovered adhesive tape and the resistance of releasing the novel adhesive tape in the adhesive tape replacement process are automatically balanced, and the synchronism, the stability and the safety are higher; the continuous wavy crawler belt surface is matched with the adhesive tape in a concave-convex clamping manner, so that the adhesive tape is not damaged, stable clamping can be ensured, and the belt conveyer is particularly suitable for replacing the adhesive tape of an ultra-long-distance belt conveyer.

Claims

1. The using method of the adhesive tape replacing vehicle is characterized in that the used adhesive tape replacing vehicle capable of continuously and synchronously winding and unwinding the adhesive tape comprises an upper layer crawler belt part (1), a middle layer crawler belt part (2), a lower layer crawler belt part (3), an anti-deviation part and a centralized electric control part;

the upper crawler belt part (1) comprises an upper crawler belt frame (11) and an upper crawler belt (12), wherein the upper crawler belt (12) which is symmetrically arranged in two sets is erected and installed on the upper crawler belt frame (11) of the frame structure; the middle layer crawler belt part (2) comprises a middle layer crawler belt frame (21) and a middle layer crawler belt (22), wherein the middle layer crawler belt (22) is symmetrically arranged in a left-right mode and is arranged corresponding to the upper layer crawler belt (12); the lower crawler belt part (3) comprises a lower crawler belt frame (31) and lower crawler belts (32), wherein the lower crawler belts (32) are symmetrically arranged in a left-right manner, and the two sets of lower crawler belts (32) are arranged corresponding to the middle crawler belt (22); each set of upper layer caterpillar band (12), middle layer caterpillar band (22) and lower layer caterpillar band (32) comprises a caterpillar band which is connected end to end and is annular, and a caterpillar band driving chain wheel and a caterpillar band supporting structure which are arranged in the caterpillar band annular structure, wherein the caterpillar band driving chain wheels which are arranged in a front-back rolling way comprise caterpillar band driving parts, and the caterpillar band driving chain wheels of the upper layer caterpillar band (12), the middle layer caterpillar band (22) and the lower layer caterpillar band (32) are respectively provided with a rotation angle sensor;

The upper crawler frame (11) and the lower crawler frame (31) are respectively connected with the middle crawler frame (21) through lifting guide connecting mechanisms, a clamping control component I capable of controlling the lifting of the upper crawler frame (11) relative to the middle crawler frame (21) is arranged between the upper crawler frame (11) and the middle crawler frame (21), a clamping control component II capable of controlling the lifting of the lower crawler frame (31) relative to the middle crawler frame (21) is arranged between the lower crawler frame (31) and the middle crawler frame (21), a plurality of telescopic support legs (33) which are vertically and downwardly arranged in a telescopic manner are further arranged on the lower crawler frame (31), and the telescopic support legs (33) comprise support leg telescopic control components;

the upper layer crawler belt (12), the middle layer crawler belt (22) and the lower layer crawler belt (32) are all of structures formed by hinging a plurality of wavy chain plates in sequence, the outer surface of each wavy chain plate comprises an arc convex surface and an arc concave surface, and when the wavy chain plates are in a linear motion state, the arc convex surfaces and the arc concave surfaces of two adjacent wavy chain plates jointly form a continuous wavy structure;

the anti-deviation part comprises anti-deviation parts which are symmetrically arranged left and right and correspond to the side positions of the adhesive tape, the anti-deviation parts are positioned and arranged on the left side surface and the right side surface of the middle layer track frame (21), or the anti-deviation parts are arranged on the left side surface and the right side surface of the upper layer track frame (11) and the lower layer track frame (31), the anti-deviation parts are provided with side distance sensors, and the side distance sensors are uniformly distributed in a plurality along the front-back direction;

The centralized electric control part comprises a central controller, an upper layer track frame lifting control loop, an upper layer track control loop, a middle layer track control loop, a lower layer track frame lifting control loop, a lower layer track control loop, a supporting leg telescopic control loop, an automatic correction control loop and an automatic correction control loop, wherein the central controller is respectively and electrically connected with a clamping control part I, a clamping control part II, a supporting leg telescopic control part of a telescopic supporting leg (33), a track driving part of an upper layer track (12), a track driving part of a middle layer track (22), a track driving part of a lower layer track (32), a rotation angle sensor and a plurality of belt edge distance sensors;

the using method specifically comprises the following steps:

a. and (3) transferring the equipment: the central controller controls the clamping control part II to act through the lower track frame lifting control loop to enable the lower track frame (31) to drive the lower track (32) to move downwards to a set distance, then the central controller controls the telescopic support legs (33) to completely retract through the support leg telescopic control loop, the whole adhesive tape replacing vehicle capable of continuously and synchronously retracting the adhesive tape moves downwards to enable the bottom plane of the lower track (32) to be attached to the ground, and the central controller controls the track driving part of the lower track (32) to act through the lower track control loop to enable the whole vehicle to move forwards and backwards or steer automatically;

b. Preparation of a replacement belt: after the tape replacing vehicle capable of continuously and synchronously winding and unwinding the tape is controlled to be stopped at a set position corresponding to a head driving roller of the tape conveyor to be replaced, a central controller controls a telescopic supporting leg (33) to extend out and firmly support the tape completely to the ground through a supporting leg telescopic control loop, then the central controller controls a clamping control part I to act through an upper-layer track frame lifting control loop so that an upper-layer track frame (11) drives the upper-layer track (12) to move upwards to a set distance, the central controller firstly calculates the angle at which a track driving sprocket of the upper-layer track (12) and a track driving sprocket of the lower-layer track (32) respectively rotates relative to the track driving sprocket of the middle-layer track (22) according to feedback of a rotation angle sensor of a middle-layer track (22) and feedback of a rotation angle sensor of the upper-layer track (12) and a lower-layer track (32), and then the controller respectively controls the action of a track driving part of the upper-layer track (12) and the lower-layer track (32) through the upper-layer track frame lifting control loop so that a continuous clamping surface at the bottom of the upper-layer track (12) and the lower-layer track (32) move upwards to the set distance, so that the continuous clamping surface at the bottom of the upper-layer track (12) and the continuous clamping surface at the top of the middle-layer track (22) can be clamped with the continuous wavy surface at the top of the wavy continuous track (32) and the continuous wavy surface at the top of the wavy surface and the continuous corrugated surface of the continuous corrugated track (22;

c. New tape input positioning: the head end of a new adhesive tape passes through a gap between the upper layer track (12) and the middle layer track (22) from back to front, and then the central controller controls the clamping control part I to act through the lifting control loop of the upper layer track frame so that the upper layer track frame (11) drives the upper layer track (12) to move downwards to a set distance, and the new adhesive tape is firmly clamped by the continuous wavy track surfaces of the upper layer track (12) and the middle layer track (22);

d. old adhesive tape input positioning: after loosening the belt tensioning device of the belt conveyor for replacing the belt, breaking the old belt, firmly connecting the end part of the old upward belt with the head end of the new belt through a belt buckle, penetrating the end part of the old downward belt into a gap between the lower-layer crawler belt (32) and the middle-layer crawler belt (22) from front to back, and controlling the action of the clamping control part II through the lifting control loop of the lower-layer crawler belt frame by the central controller to enable the whole belt replacing vehicle capable of continuously and synchronously winding and unwinding the belt to move downwards to a set distance, wherein the old belt is firmly clamped by the continuous wavy crawler belt surfaces of the lower-layer crawler belt (32) and the middle-layer crawler belt (22);

e. replacement of the adhesive tape: the central controller controls the crawler driving components of the upper crawler belt (12), the middle crawler belt control circuit and the lower crawler belt control circuit to synchronously rotate through the crawler driving components of the upper crawler belt control circuit, the middle crawler belt (22) and the crawler driving components of the lower crawler belt (32), old adhesive tape is clamped and conveyed firmly by the lower crawler belt (32) and the middle crawler belt (22), new adhesive tape is clamped and conveyed firmly by the upper crawler belt (12) and the middle crawler belt (22), a plurality of tape edge distance sensors feed back the distance between the new adhesive tape and the old adhesive tape from the tape edge distance sensors to the central controller in real time, if the old adhesive tape or the new adhesive tape deviates to the left and exceeds a set distance range, the central controller starts an automatic correction control circuit, and the central controller sends an instruction to control the action of the clamping control component I or the clamping control component II on the right side, so that the upper crawler belt (12) or the lower crawler belt (32) on the right side is in a non-loosening clamping state, and the middle crawler belt (32) on the non-clamping state, and when the distance between the tape edge distance sensors and the tape edge distance sensors are fed back to the tape edge distance sensors is in the set distance range, the central controller is controlled to the clamping control component I or the clamping component II on the right side (12) on the right side; if the old adhesive tape or the new adhesive tape deviates to the right and exceeds a set distance range, the central controller starts an automatic correction control loop, and the central controller sends an instruction to control the left clamping control component I or the left clamping control component II to act so as to enable the left upper layer track (12) or the left lower layer track (32) to be in a non-meshed loose clamping state, and when the distance from the tape edge of the adhesive tape fed back by the tape edge distance sensor to the tape edge distance sensor is in the set distance range, the central controller controls the left clamping control component I or the left clamping control component II to act so as to enable the left upper layer track (12) or the left lower layer track (32) to be restored to the meshed clamping state; after the old adhesive tape is recovered, the old adhesive tape connected with the head end of the new adhesive tape is removed, the head end of the new adhesive tape is firmly connected with the tail end of the new adhesive tape through a belt buckle, and an adhesive tape tensioning device of the belt conveyor is started to tension the new adhesive tape, so that the replacement of the adhesive tape is completed.

2. The method of claim 1, wherein a plurality of tape changing vehicles capable of continuously and synchronously winding and unwinding the tape are combined in a serial manner for the tape changing of the ultra-long-distance belt conveyor.

3. The method for using a tape changing vehicle according to claim 1, wherein in the step b, the central controller controls the telescopic support leg (33) to extend out completely and stably to be supported on the ground through the support leg telescopic control loop, and the telescopic support leg (33) is fixedly connected with the head frame of the tape conveyor to be changed into a whole through the auxiliary beam.

4. The use method of the adhesive tape replacement vehicle according to claim 1, wherein a spacing adjustment mechanism capable of synchronously adjusting a spacing with respect to a symmetrical bisecting plane is provided between two sets of upper-layer tracks (12) which are symmetrical left and right of the upper-layer track portion (1), between two sets of middle-layer tracks (22) which are symmetrical left and right of the middle-layer track portion (2), and between two sets of lower-layer tracks (32) which are symmetrical left and right of the lower-layer track portion (3); the centralized electric control part also comprises a track space adjusting loop, and the central controller is respectively and electrically connected with the space adjusting mechanism;

or, the left upper layer track (12) of the upper layer track part (1), the left middle layer track (22) of the middle layer track part (2) and the left lower layer track (32) of the lower layer track part (3) are connected into a whole through a left connecting frame, the right upper layer track (12) of the upper layer track part (1), the right middle layer track (22) of the middle layer track part (2) and the right lower layer track (32) of the lower layer track part (3) are connected into a whole through a right connecting frame, a spacing adjusting mechanism capable of synchronously adjusting the spacing relative to a symmetrical bisection plane is arranged between the left connecting frame and the right connecting frame, the centralized electric control part further comprises a track spacing adjusting loop, and the central controller is electrically connected with the spacing adjusting mechanism;

In the step b, after the central controller controls the telescopic support legs (33) to extend out completely and stably to be supported on the ground through the support leg telescopic control loop, the central controller controls the interval adjusting mechanism to act in cooperation with adjusting the interval size between two sets of upper-layer tracks (12) which are symmetrical left and right of the upper-layer track part (1), the interval size between two sets of middle-layer tracks (22) which are symmetrical left and right of the middle-layer track part (2) and the interval size between two sets of lower-layer tracks (32) which are symmetrical left and right of the lower-layer track part (3) through the track interval adjusting loop according to the bandwidth size of the belt conveyor of the belt to be replaced.

5. The method of using a tape changing vehicle according to claim 1, wherein at least a track ring structure of the middle layer track (22) is internally provided with a track tensioning mechanism which is telescopically arranged in a front-rear direction; the centralized electric control part also comprises a track tensioning adjustment loop, and the central controller is electrically connected with the track tensioning mechanism;

the central controller controls the action of the track tensioning mechanism through the track tensioning adjustment loop to tension the track.

6. The method of claim 1, wherein the centralized electric control part further comprises a remote controller, and the remote controller is wirelessly connected with the central controller; an operator can control the tape replacing vehicle capable of continuously and synchronously winding and unwinding the tape through the remote controller.

7. The method of using a tape changing truck according to claim 1, wherein the track driving parts of the upper layer track (12), the middle layer track (22) and the lower layer track (32) are all of a hydraulic motor structure, and the clamping control part i, the clamping control part ii and the landing leg telescoping control part are all of a hydraulic cylinder structure; the adhesive tape replacing vehicle capable of continuously and synchronously winding and unwinding the adhesive tape further comprises a vehicle-mounted hydraulic system, wherein the vehicle-mounted hydraulic system comprises a hydraulic pump station and a control valve group, and a central controller of the centralized electric control part is electrically connected with the hydraulic pump station and the control valve group respectively;

the central controller controls the action of the tape replacing vehicle capable of continuously and synchronously winding and unwinding the tape in a hydraulic control mode.

8. The method of using a tape changing truck according to claim 1, wherein at least the old tape input end position of the middle track frame (21) is provided with a tape stopper which can prevent the tape from backing up when the tape is backing up; the centralized electric control part also comprises an adhesive tape braking loop, and the central controller is respectively and electrically connected with the adhesive tape brakes;

in step e, after the old adhesive tape is recovered, the central controller controls the action of the adhesive tape brake through the adhesive tape brake loop to lock the head end of the new adhesive tape pulled by the old adhesive tape, and then the old adhesive tape connected with the head end of the new adhesive tape is removed.