Traction system and method for rapid replacement of flexible conveyor belt of belt conveyor

Abstract

The present invention belongs to the technical field of flexible conveyor belt replacement for conveyors, and relates to a traction system and method for quickly replacing flexible conveyor belts of belt conveyors. The system includes a traction device, a new conveyor belt fixing bracket, a flexible traction belt, a conveyor belt fixing clamp, a conveyor belt traction plate, and a connecting wire rope. The traction device is used as a traction power source for the conveyor belt. The longitudinal axis of the traction device coincides with the axis of the belt conveyor in the material yard. The centering is good during traction. The traction device can perform reciprocating linear motion quickly and frequently. The main steel structure at the bottom of the traction device is conveniently connected and fixed to the conveyor belt, effectively ensuring efficient and reliable traction and strong operability. The method does not require additional complex traction equipment, and can be completed by using the existing traction device as the traction equipment. Only 1-2 personnel are required to achieve efficient and stable traction of the conveyor belt, effectively shortening the time for conveyor belt replacement, reducing the disassembly and assembly process of the equipment, reducing labor intensity, and saving labor.

Description

Technical Field

[0001] The invention belongs to the technical field of replacement of flexible conveyor belts of conveyors, and relates to a traction system and method for rapid replacement of flexible conveyor belts of belt conveyors. Background Art

[0002] Over time, conveyor belts used in ports, power plants, mines, and other material yards can experience unexpected scratches or tears on the belt surface. Alternatively, the belt's working surface can become worn to a certain degree, or even corroded or broken. Therefore, to ensure safe and stable operation, conveyor belts must be replaced regularly.

[0003] When replacing belts on a material yard belt conveyor line, the process typically involves pulling and unwinding individual bundles of belt one by one, followed by sequential vulcanization of the joints. Specifically, a crane or bucket truck pulls the belt, repeatedly lifting and lowering the old belt to the side of the equipment. The old belt is then used to pull the new belt, gradually inserting it into the conveyor mounting frame. This traditional belt pulling method severely impacts efficiency and operational safety, significantly impacting the production and operation of the loading and unloading system.

[0004] In view of this, the present invention studies the above-mentioned problems and invents a safe, efficient and reliable traction system and method for quickly replacing the flexible conveyor belt of a long-distance material yard belt conveyor. Summary of the Invention

[0005] In order to solve the above problems, the purpose of the present invention is to provide a traction system and method for quickly replacing the flexible conveyor belt of a long-distance material yard belt conveyor. By improving the traction system and method, the safety, efficiency and reliability of online replacement of the material yard conveyor belt can be achieved.

[0006] The present invention solves the technical problem by the following technical solutions:

[0007] A traction system for quickly replacing a flexible conveyor belt of a belt conveyor, characterized in that it includes a traction device, a new conveyor belt fixing bracket, a flexible traction belt, a conveyor belt fixing card, a conveyor belt traction plate and a connecting wire rope. A traction device that reciprocates along its center line is provided on the horizontal section of the conveyor, and the center line of the traction device coincides with the center line of the conveyor belt on the conveyor. A new conveyor belt fixing bracket is set at the tail of the horizontal section of the conveyor, and a new conveyor belt is installed on the new conveyor belt fixing bracket. The new conveyor belt is connected to the traction device through a flexible traction belt. Frames are provided at both ends of the horizontal section of the conveyor, and conveyor belt fixing cards are installed on the frames at both ends. The joints of the new and old conveyor belts are connected by the cooperation of the conveyor belt traction plate and the connecting wire rope.

[0008] Moreover, the traction device is a stacker, a reclaimer or a stacker / reclaimer.

[0009] Moreover, two rolls of new conveyor belts are mounted on the new conveyor belt fixing bracket, and the joints of the two rolls of new conveyor belts are vulcanized and connected into one.

[0010] A traction method for quickly replacing a flexible conveyor belt of a belt conveyor, characterized in that the method is implemented based on a traction system for quickly replacing a flexible conveyor belt of a belt conveyor, and comprises the following steps:

[0011] S1. Pretreatment of new conveyor belt;

[0012] S2. Determine the length of the section to be replaced on the old conveyor belt, cut off both ends of the section to be replaced, and remove it from the conveyor, thereby exposing the replacement position of the conveyor belt on the conveyor;

[0013] S3. The new conveyor belt moves forward under the traction of the traction device until it is laid flat on the replacement position. The joints at both ends of the new conveyor belt are connected to the joints of the old conveyor belt at both ends of the conveyor through the cooperation of the conveyor belt traction plate and the connecting wire rope, thus completing the replacement of the old conveyor belt in one section;

[0014] S4. Repeat this process until all old conveyor belts are replaced.

[0015] Moreover, the method for pre-treating the new conveyor belt is:

[0016] Two rolls of new conveyor belts are installed on the new conveyor belt fixing bracket, with joints of the two rolls of new conveyor belts exposed respectively, and the two joints are connected into one by vulcanization.

[0017] Furthermore, the method for determining the length of the section to be replaced on the old conveyor belt is as follows:

[0018] Measure the lengths of the two new conveyor belt rolls respectively, and obtain the total length of the two new conveyor belt rolls;

[0019] According to the total length of the two new conveyor belt rolls, measure the length of the old conveyor belt corresponding to the location where the new conveyor belt is installed. The length of the old conveyor belt corresponding to the total length of the two new conveyor belt rolls is the length of the section to be replaced on the old conveyor belt.

[0020] Disconnect the two ends of the old conveyor belt to be replaced, and temporarily fix the two joints of the old conveyor belt to the conveyor mounting brackets at the head and tail ends of the conveyor with conveyor belt fixing plates;

[0021] Use a crane or a towing bucket truck to pull the old conveyor belt with both ends disconnected away from the conveyor belt carrying roller area on the conveyor.

[0022] Moreover, the new conveyor belt moves forward under the traction of the traction device until it is laid flat on the replacement position. The two end joints of the new conveyor belt are connected to the old conveyor belt joints at both ends of the conveyor through the cooperation of the conveyor belt traction plate and the connecting wire rope. The method for completing the replacement of the old conveyor belt in one section is as follows:

[0023] Move the traction device backward to the position where the double-roll new conveyor belt is set up, and secure the connection position of the double-roll new conveyor belt to the traction end of the traction device with a flexible traction belt or traction rope;

[0024] As the traction device moves forward, the two new conveyor belts are stably pulled forward and double-layered onto the load-bearing roller area where the old conveyor belts have been removed, and the inner joints of the two conveyor belts are completely exposed at the conveyor belt installation location;

[0025] Connect the old conveyor belt joint at the tail end to the lower joint of the unfolded double-layer new conveyor belt using a traction plate and traction rope;

[0026] Remove the flexible traction belt or traction rope between the traction device and the double-layer new conveyor belt, and replace it with a traction roller fixed to the traction end of the traction device. The double-layer conveyor belt is gradually unfolded into a single-layer conveyor belt by the traction device moving forward and the traction roller pulling.

[0027] The traction device moves forward again until the double-layered conveyor belt is fully unfolded and stably laid on the belt conveyor carrying rollers from which the old conveyor belt has been removed;

[0028] Fix the old conveyor belt joint at the head end to the main steel structure at the bottom of the traction device with a traction plate and traction rope;

[0029] The traction device moves backward again, uses the old conveyor belt to pull the new conveyor belt, and again pulls the old conveyor belt to be replaced to the dismantling area;

[0030] This reciprocating process allows for rapid traction and replacement of the old conveyor belt without changing the conveyor belt's installation position by utilizing the reliable reciprocating traction of the traction device.

[0031] The advantages and beneficial effects of the present invention are:

[0032] 1. This traction system and method for quickly replacing the flexible conveyor belt of a belt conveyor utilizes a stacker and reclaimer as the traction power source for the conveyor belt. The longitudinal axis of the traction device coincides with the axis of the belt conveyor in the material yard, resulting in good centering during traction. The traction device can perform reciprocating linear motion quickly and frequently. The main steel structure at the bottom of the traction device is conveniently connected and fixed to the conveyor belt, effectively ensuring efficient, reliable traction and strong operability.

[0033] 2. This traction system and method for quickly replacing the flexible conveyor belt of a belt conveyor is designed so that the external joints of the double-roll conveyor belt can be vulcanized or prefabricated in advance to form an integral whole. This does not require equipment downtime, and the number of on-site shutdowns for repair of vulcanized joints is reduced by half.

[0034] 3. This traction system and method for quickly replacing the flexible conveyor belt of a belt conveyor does not require additional complex traction equipment. It can be completed by using the existing traction device as the traction equipment. Only 1-2 people are needed to achieve efficient and stable traction of the conveyor belt. At the same time, the conveyor belt has a good centering effect during the traction process, which effectively prevents the conveyor belt from getting stuck or damaged, effectively shortens the time for replacing the conveyor belt, reduces the disassembly and assembly process of the equipment, reduces labor intensity, and saves labor. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 is a schematic diagram of S1 of the present invention;

[0036] Figure 2 Schematic diagram of S2 of the present invention;

[0037] Figure 3 Schematic diagram of S3 of the present invention;

[0038] Figure 4 is a schematic diagram of S4 of the present invention;

[0039] Figure 5 is a schematic diagram of S5 of the present invention;

[0040] Figure 6 is a schematic diagram of S6 of the present invention;

[0041] Figure 7 Schematic diagram of S7 of the present invention.

[0042] Reference numerals

[0043] 1- conveyor, 2- traction device, 3- old conveyor belt, 4- conveyor belt carrying roller, 5- new conveyor belt fixing bracket, 6- new conveyor belt, 7- conveyor belt fixing plate, 8- flexible traction belt, 9- traction roller. DETAILED DESCRIPTION

[0044] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0045] It should be noted that, unless otherwise specified, the technical or scientific terms used in this application should have the common meanings understood by those skilled in the art to which the present invention belongs.

[0046] A traction system for quickly replacing a flexible conveyor belt of a belt conveyor, the innovation of which lies in: comprising a traction device 2, a new conveyor belt fixing bracket 5, a flexible traction belt 8, a conveyor belt fixing card 7, a conveyor belt traction plate and a connecting wire rope, the traction device being a stacker or a reclaimer, a traction device that reciprocates along its center line is provided on the horizontal section of the conveyor 1, the center line of the traction device coincides with the center line of the conveyor belt on the conveyor, a new conveyor belt fixing bracket is set at the tail of the horizontal section of the conveyor, a new conveyor belt 6 is installed on the new conveyor belt fixing bracket, the new conveyor belt is connected to the traction device through a flexible traction belt, mounting frames are installed at both ends of the horizontal section of the conveyor, conveyor belt fixing cards are installed on the mounting frames at the head and tail, the joints of the new and old conveyor belts are connected by the cooperation of the conveyor belt traction plate and the connecting wire rope.

[0047] Two rolls of new conveyor belts are mounted on the new conveyor belt fixing bracket, and the joints of the two rolls of new conveyor belts are vulcanized and connected into one.

[0048] A traction method for quickly replacing a flexible conveyor belt of a belt conveyor, the innovation of which lies in: comprising the following steps:

[0049] S1. Vulcanize the external joints of two new conveyor belts in advance to form a whole, and use the new conveyor belt fixing bracket to install it in the upper area of ​​the end position of the horizontal section of the conveyor;

[0050] According to the overall length of the double-roll conveyor belt, measure the corresponding length of the old conveyor belt 3 from the installation position of the new conveyor belt forward. This section of the old conveyor belt is the conveyor belt to be replaced. Disconnect the two ends of the measured old conveyor belt and temporarily fix the two disconnected joints of the old conveyor belt to the conveyor mounting frames at the head and tail ends of the conveyor with conveyor belt fixing plates;

[0051] Use a crane or a towing bucket truck to pull the old conveyor belt that is disconnected at both ends away from the conveyor belt carrying roller 4 area on the conveyor;

[0052] S2. Move the traction device backward to the position where the double-roll new conveyor belt is set up, and secure the connection position of the double-roll new conveyor belt to the traction end of the traction device with a flexible traction belt or traction rope that meets the traction load requirements;

[0053] S3. As the traction device moves forward, the two rolls of new conveyor belt are stably pulled forward and double-layered onto the load-bearing roller area where the old conveyor belt has been removed, and the inner joints of the two rolls of conveyor belt are completely exposed at the conveyor belt installation location;

[0054] S4. Connect the old conveyor belt joint at the tail end to the lower joint of the unfolded double-layer conveyor belt using a traction plate and a traction rope;

[0055] Remove the flexible traction belt or traction rope between the traction device and the double-layer new conveyor belt, and replace it with a traction roller 9 suspended and fixed at the traction end of the traction device. Through the forward movement of the traction device and the rolling traction of the traction roller, the double-layer conveyor belt is gradually unfolded into a single-layer conveyor belt;

[0056] S5. The traction device moves forward again until the double-layered conveyor belt is fully unfolded and stably laid on the belt conveyor carrying rollers from which the old conveyor belt has been removed;

[0057] S6. Fix the old conveyor belt joint at the head end to the main steel structure at the bottom of the traction device using a traction plate and traction rope;

[0058] S7, the traction device moves backward again, uses the old conveyor belt to pull the new conveyor belt, and again pulls the old conveyor belt to be replaced to the removal area;

[0059] S8. This process is repeated repeatedly, thereby achieving rapid traction and replacement of the old conveyor belt by utilizing the reliable reciprocating traction of the traction device without changing the installation position of the conveyor belt.

[0060] During conveyor belt pulling operations, double rolls of new conveyor belt are generally placed in the horizontal section at the rear of the conveyor to facilitate installation and on-site vulcanization. The disconnected old conveyor belt is placed in the horizontal section to facilitate pulling and pulling away from the load rollers.

[0061] The present invention is specifically described by taking the traction replacement of the conveyor belt of the belt conveyor of the material taking line material field as an example. Figure 1-7 As shown,

[0062] The arrow represents the traction direction of the conveyor belt. The double-layer stacking and complete unfolding of the double-roll new conveyor belt, as well as the entire process of traction and shifting the conveyor belt, are all completed by the material reclaimer. The traction direction of the conveyor belt is always consistent with the running direction of the central axis of the belt conveyor frame, and the centering is good, thus ensuring that during the traction process, the traction wire rope and the traction belt are always located in the direction of the central axis track of the belt conveyor without deviation problems.

[0063] Based on the actual situation on site, this system is promoted and applied to long-distance ground belt conveyors, dock belt conveyors and other long-distance traction. The conveyor belt traction is efficient and the joint workload is reduced by half.

[0064] Example

[0065] The conveyor belt traction guide device has been successfully applied to the Qinhuangdao Port coal loading and unloading system material yard stacking belt conveyor and reclaiming belt conveyor. Its basic parameters are: the material yard stacking belt conveyor belt length from the ground is about L = 2800 meters, conveyor belt specifications: ST1600 flexible traction belt, bandwidth: 1800mm; conveyor belt length is about L = 2800 meters, conveyor belt specifications: ST1600 flexible traction belt, bandwidth: 2000mm.

[0066] By adopting this traction system and method for quickly replacing flexible conveyor belts on long-distance material yard belt conveyors, the number of downtime joints to be handled has been reduced from 10 to 5, and the overall replacement time has been shortened from 6 days to 2.5 days. The traction efficiency has increased by 4-5 times compared to the original traction process.

[0067] Although the embodiments and drawings of the present invention are disclosed for illustrative purposes, those skilled in the art will understand that various substitutions, changes and modifications are possible without departing from the spirit and scope of the present invention and the appended claims. Therefore, the scope of the present invention is not limited to the contents disclosed in the embodiments and drawings.

Claims

1. A traction method for quickly replacing a flexible conveyor belt of a belt conveyor, characterized in that: The method is based on a traction system for rapid replacement of a flexible conveyor belt of a belt conveyor, and comprises the following steps: S1. Pretreatment of new conveyor belt; S2. Determine the length of the section to be replaced on the old conveyor belt, cut off both ends of the section to be replaced, and remove it from the conveyor, thereby exposing the replacement position of the conveyor belt on the conveyor; S3. The new conveyor belt moves forward under the traction of the traction device until it is laid flat on the replacement position. The joints at both ends of the new conveyor belt are connected to the joints of the old conveyor belt at both ends of the conveyor through the cooperation of the conveyor belt traction plate and the connecting wire rope, thus completing the replacement of the old conveyor belt in one section; S4, repeat this process until all old conveyor belts are replaced; The new conveyor belt moves forward under the traction of the traction device until it is laid flat on the replacement position. The two end joints of the new conveyor belt are connected to the old conveyor belt joints at both ends of the conveyor through the cooperation of the conveyor belt traction plate and the connecting wire rope. The method for completing the replacement of the old conveyor belt in one section is as follows: Move the traction device backward to the position where the double-roll new conveyor belt is set up, and secure the connection position of the double-roll new conveyor belt to the traction end of the traction device with a flexible traction belt or traction rope; As the traction device moves forward, the two new conveyor belts are stably pulled forward and double-layered onto the load-bearing roller area where the old conveyor belts have been removed, and the inner joints of the two conveyor belts are completely exposed at the conveyor belt installation location; Connect the old conveyor belt joint at the tail end to the lower joint of the unfolded double-layer new conveyor belt using a traction plate and traction rope; Remove the flexible traction belt or traction rope between the traction device and the double-layer new conveyor belt, and replace it with a traction roller fixed to the traction end of the traction device. The double-layer conveyor belt is gradually unfolded into a single-layer conveyor belt by the traction device moving forward and the traction roller pulling. The traction device moves forward again until the double-layered conveyor belt is fully unfolded and stably laid on the belt conveyor carrying rollers from which the old conveyor belt has been removed; Fix the old conveyor belt joint at the head end to the main steel structure at the bottom of the traction device with a traction plate and traction rope; The traction device moves backward again, uses the old conveyor belt to pull the new conveyor belt, and again pulls the old conveyor belt to be replaced to the dismantling area; This reciprocating motion allows the old conveyor belt to be quickly pulled and replaced without changing the conveyor belt's installation position by utilizing the reliable reciprocating traction of the traction device. The traction system for quick replacement of the flexible conveyor belt of the belt conveyor comprises a traction device, a new conveyor belt fixing bracket, a flexible traction belt, a conveyor belt fixing card, a conveyor belt traction plate and a connecting wire rope. A traction device that reciprocates along its center line is provided on the horizontal section of the conveyor, and the center line of the traction device coincides with the center line of the conveyor belt on the conveyor. A new conveyor belt fixing bracket is set at the tail of the horizontal section of the conveyor, and a new conveyor belt is set on the new conveyor belt fixing bracket. The new conveyor belt is connected to the traction device through a flexible traction belt. Frames are provided at both ends of the conveyor, and conveyor belt fixing card plates are installed on the frames at both ends. The joints of the old and new conveyor belts are connected by the cooperation of the conveyor belt traction plate and the connecting wire rope; two rolls of new conveyor belt are set on the new conveyor belt fixing bracket, and the joints of the two rolls of new conveyor belts are vulcanized and connected as one.

2. A traction method for rapid replacement of a flexible conveyor belt of a belt conveyor according to claim 1, characterized in that: The traction device is a stacker, a reclaimer or a stacker / reclaimer.

3. A traction method for rapid replacement of a flexible conveyor belt of a belt conveyor according to claim 1, characterized in that: The method for pre-treating the new conveyor belt is: Two rolls of new conveyor belts are installed on the new conveyor belt fixing bracket, with joints of the two rolls of new conveyor belts exposed respectively, and the two joints are connected into one by vulcanization.

4. A traction method for rapid replacement of a flexible conveyor belt of a belt conveyor according to claim 1, characterized in that: The method for determining the length of the section to be replaced on the old conveyor belt is: Measure the lengths of the two new conveyor belt rolls respectively, and obtain the total length of the two new conveyor belt rolls; According to the total length of the two new conveyor belt rolls, measure the length of the old conveyor belt corresponding to the location where the new conveyor belt is installed. The length of the old conveyor belt corresponding to the total length of the two new conveyor belt rolls is the length of the section to be replaced on the old conveyor belt. Disconnect the two ends of the old conveyor belt to be replaced, and temporarily fix the two joints of the old conveyor belt to the conveyor mounting brackets at the head and tail ends of the conveyor with conveyor belt fixing plates; Use a crane or a towing bucket truck to pull the old conveyor belt with both ends disconnected away from the conveyor belt carrying roller area on the conveyor.

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