CN112975831A

CN112975831A - Carrier roller replacing vehicle for belt conveyor in operation

Info

Publication number: CN112975831A
Application number: CN202110410436.8A
Authority: CN
Inventors: 陈洪月; 毕文钦; 王鑫; 杨辛未; 陈杰; 黄启佳; 林青竹
Original assignee: Liaoning Technical University
Current assignee: Liaoning Technical University
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2021-06-18
Anticipated expiration: 2041-04-16
Also published as: CN112975831B

Abstract

The invention relates to a carrier roller replacing vehicle for a belt conveyor in operation. Comprises a belt supporting component, a carrier roller replacing component, a crawler device, a hydraulic supporting leg, a vehicle body, a carrier roller placing frame and a new carrier roller. After the vehicle is stopped stably, the hydraulic mechanical arm adjusts the telescopic supporting truss to a proper angle; the telescopic supporting and lifting truss is turned over after being stretched and stands on a main truss of the belt conveyor, and the supporting and lifting hydraulic cylinder extends downwards to push the telescopic supporting and lifting truss to lift the belt to a certain height; lifting the hydraulic lifting platform to a corresponding height of the carrier roller, taking down the damaged carrier roller by the hydraulic manipulator, and installing a new carrier roller; and after the replacement is finished, the belt supporting assembly and the carrier roller replacing assembly are withdrawn, and the replacement process is finished. The design of the invention has the advantages that: compared with the conventional replacement mode, the carrier roller can be replaced in the running process of the belt conveyor, so that the energy consumption loss and the economic loss are reduced, the transportation efficiency and the production efficiency are improved, the labor force is saved, the labor intensity is reduced, and the labor efficiency is improved.

Description

Carrier roller replacing vehicle for belt conveyor in operation

Technical Field

The invention relates to the field of replacement of carrier rollers of belt conveyors, in particular to a carrier roller replacement vehicle for a running belt conveyor.

Background

The belt conveyor represents the technological development level of the industry of a country and reflects the production and transportation efficiency laterally. The belt conveyor is very commonly used in China, and is used in a plurality of industries, a plurality of fields and a plurality of departments, particularly in the field of mining equipment, such as coal mining transportation and the like, is one of the most main material transportation devices in China at present, and can transport materials as long as several kilometers or even dozens of kilometers as required. The carrier roller is an important component of the belt conveyor, occupies 55% of the cost of the belt conveyor, and bears more than 80% of load. The carrier roller mainly plays a role in supporting transmission of the conveying belt, so that the operation of the belt conveyor can be well maintained only by high strength, light weight and reliable work of the carrier roller, and the abrasion and scratch to a belt are reduced. The upper carrier roller of the belt conveyor is in severe working environment and has large load, so that the upper carrier roller is frequently abraded and broken and needs to be replaced in time. The replacement mode in the past needs to be shut down for replacement, and can produce huge economy and energy loss, therefore, need design an efficient can change the equipment of bearing roller in the band conveyer operation process.

Disclosure of Invention

In order to solve the problems, the invention provides the following solutions: the carrier roller replacing vehicle comprises a carrier roller assembly, a carrier roller replacing assembly, hydraulic support legs, a crawler belt device, a vehicle body, a hydraulic motor gear, a carrier roller placing frame and a new carrier roller; the belt supporting components are arranged on two sides of the upper part of the vehicle body, and can meet the supporting and lifting conditions of the conveyor belt by utilizing narrow roadway space through a telescopic mechanism in the running process of the conveyor belt; the carrier roller replacing assembly is arranged in the middle of the upper portion of the vehicle body, and can grab and damage the carrier roller within a short distance between the conveying belt and the main truss.

The supporting belt component comprises: the hydraulic lifting device comprises a primary hydraulic mechanical arm, a secondary hydraulic mechanical arm, a tertiary hydraulic mechanical arm, a transverse rotary groove, a telescopic support lifting truss connection, a primary hydraulic cylinder, a secondary hydraulic cylinder, a tertiary hydraulic cylinder, a primary telescopic support lifting truss, a secondary telescopic support lifting truss, a tertiary telescopic support lifting truss, a side carrier roller, a main carrier roller, a support lifting hydraulic cylinder and a rotary gear. The first-stage hydraulic mechanical arm is arranged on the rotating gear and is driven to rotate by the hydraulic motor gear, the second-stage hydraulic mechanical arm is hinged on the first-stage hydraulic mechanical arm and can be pushed by the first-stage hydraulic cylinder, the third-stage hydraulic mechanical arm is hinged on the second-stage hydraulic mechanical arm and can be pushed by the second-stage hydraulic cylinder, and the transverse rotating groove is hinged on the third-stage hydraulic mechanical arm and can be pushed by the third-stage hydraulic cylinder; the telescopic supporting truss is connected with the transverse rotating groove in a transition way through a rotating oil cylinder; the first-stage telescopic supporting and lifting truss is welded in the telescopic supporting and lifting truss connection; the first-stage telescopic supporting and lifting truss and the third-stage telescopic supporting and lifting truss are inserted into the second-stage telescopic supporting and lifting truss, and the extension and the retraction are controlled through a hydraulic cylinder; the side carrier rollers are arranged on the first-stage telescopic supporting and lifting truss and the third-stage telescopic supporting and lifting truss; the main carrier roller is arranged on the secondary telescopic truss; the supporting and lifting hydraulic cylinder is arranged at the lower parts of the first-stage telescopic supporting and lifting truss and the third-stage telescopic supporting and lifting truss. The primary hydraulic mechanical arm, the secondary hydraulic mechanical arm, the tertiary hydraulic mechanical arm, the transverse rotating groove, the telescopic supporting and lifting truss connection, the primary hydraulic cylinder, the secondary hydraulic cylinder and the tertiary hydraulic cylinder are matched with each other to place the primary telescopic supporting and lifting truss, the secondary telescopic supporting and lifting truss, the tertiary telescopic supporting and lifting truss, the side carrier roller, the main carrier roller and the supporting and lifting hydraulic cylinder into a gap between a belt of the belt conveyor and a main truss; the second-stage telescopic supporting and lifting truss and the third-stage telescopic supporting and lifting truss extend forwards to the same length of a main truss of the belt conveyor, are connected and controlled to turn over through the transverse rotating groove and the telescopic supporting and lifting truss and stand on the main truss of the belt conveyor; the supporting and lifting hydraulic cylinder extends downwards, and pushes the primary telescopic supporting and lifting truss, the secondary telescopic supporting and lifting truss, the tertiary telescopic supporting and lifting truss, the side carrier roller and the main carrier roller to a conveying belt and jacks up enough space for replacing the carrier roller; particularly, after the carrier roller is replaced, the carrier belt assembly needs to be drawn back by repeating the actions reversely.

The bearing roller change subassembly include: the support roller replacing truss, the lifting hydraulic rod, the lifting chain, the lifting platform, the telescopic hydraulic arm and the hydraulic manipulator are arranged on the support roller; the carrier roller replacing truss is arranged at the middle position of the upper part of the vehicle body; one end of the lifting chain is connected to the carrier roller replacing truss, the other end of the lifting chain is connected to the lifting platform, and the middle of the lifting chain is connected to the lifting hydraulic rod through a pulley; the lifting platform is arranged in the carrier roller replacing truss and can move up and down in the carrier roller replacing truss under the control of the lifting hydraulic rod and the lifting chain; the telescopic hydraulic arm can slide left and right on the lifting platform under the control of a hydraulic cylinder; when the lifting platform is controlled by a lifting hydraulic rod and a lifting chain together to reach the same height of the replaced damaged carrier roller, the telescopic hydraulic arm extends forwards and enables the hydraulic manipulator to reach a proper carrier roller replacing position, the hydraulic manipulator is driven by the hydraulic cylinder to stretch to grasp the damaged carrier roller and take the damaged carrier roller down, the hydraulic manipulator is controlled by the telescopic hydraulic arm and the hydraulic lifting platform to retract above the carrier roller placing frame, the damaged carrier roller is replaced and a new carrier roller is grasped; and then, the hydraulic manipulator is controlled by the telescopic hydraulic arm and the hydraulic lifting platform to extend into the carrier roller replacement position to install a new carrier roller, and finally, the hydraulic manipulator is retracted by the control of the telescopic hydraulic arm and the hydraulic lifting platform.

The crawler device is arranged at the lower part of the vehicle body and brings the moving capacity to the vehicle; the hydraulic support legs are arranged on two sides of the lower part of the vehicle body, and extend downwards to support the vehicle body to be firmly fixed on the ground during work; the hydraulic motor gear is arranged beside the belt supporting component and is meshed with the rotating gear; the carrier roller placing frame is arranged in front of the carrier roller replacing truss and is driven to rotate by a hydraulic motor, and the new carrier roller is inserted into the carrier roller placing frame.

The invention has the advantages that: 1. the carrier roller replacing vehicle of the belt conveyor can complete the replacement task of the damaged carrier roller in the working process of the belt conveyor, the conveying efficiency of the conveyor is improved, the running cost of the conveyor is reduced, and great advantages are brought to the material transportation industry. 2. The flexibility of the carrier roller replacing component of the carrier roller replacing vehicle of the belt conveyor in operation and the high utilization rate of space ensure that the replacing task can be effectively completed in a smaller operation space. 3. The special belt supporting component of the carrier roller replacing vehicle of the belt conveyor in operation can effectively utilize the narrow space provided by the roadway, realize the function of supporting and lifting the conveyor belt and provide necessary operation space for carrier roller replacement. 4. The carrier roller replacing vehicle of the belt conveyor in operation can avoid the power consumption of the conveyor when the carrier roller is replaced, improve the conveying efficiency of the conveying belt and reduce the cost, is convenient to popularize and has good economic benefit.

Drawings

Fig. 1 is a main body structure diagram of a carrier roller replacing vehicle of a belt conveyor in operation.

Fig. 2 is a schematic structural view of a carrier belt assembly of a carrier roller replacing vehicle of a running belt conveyor.

Fig. 3 is a schematic view of the belt assembly extension structure of a running belt conveyor idler changing car of the present invention.

Fig. 4 is a schematic illustration of the inversion process after the idler assembly of an operating belt conveyor idler change car of the present invention has been extended.

Fig. 5 is a schematic diagram of a structure of a carrier belt of a carrier roller replacing vehicle for supporting and lifting a carrier belt of a running belt conveyor.

Fig. 6 is a schematic structural view of an idler changing assembly of an idler changing cart of a belt conveyor in operation according to the present invention.

Fig. 7 is a structural schematic diagram of a damaged idler grabbed by an idler replacing component of an idler replacing vehicle of a running belt conveyor.

Fig. 8 is a schematic view of a structure of a carrier roller replacing assembly for a carrier roller replacing vehicle of a belt conveyor in operation for replacing a new carrier roller.

In the figure: 1. a primary hydraulic mechanical arm; 2. a two-stage hydraulic mechanical arm; 3. a three-stage hydraulic mechanical arm; 4. a transverse rotation groove; 5. the telescopic supporting and lifting truss is connected; 6. a first-stage hydraulic cylinder; 7. a secondary hydraulic cylinder; 8. a third-stage hydraulic cylinder; 9. a first-stage telescopic supporting truss; 10. a second-stage telescopic supporting truss; 11. a three-stage telescopic supporting and lifting truss; 12. side supporting rollers; 13. a main carrier roller; 14. a supporting and lifting hydraulic cylinder; 15. a rotating gear; 21. replacing the truss by the carrier roller; 22. lifting the hydraulic rod; 23. a lifting chain; 24. a lifting table; 25. a telescopic hydraulic arm; 26. a hydraulic manipulator; 41 hydraulic support legs; 42. a crawler unit; 43. a vehicle body; 44. a hydraulic motor gear; 45. a left belt assembly; 46. a right belt assembly; 47. the carrier roller exchange component; 61. a carrier roller placing frame; 62. and (5) new carrier rollers.

Detailed Description

The invention will be further described with reference to specific embodiments, and the advantages and features of the invention will become apparent as the description proceeds. These examples are illustrative only and do not limit the scope of the present invention in any way. All other embodiments, which can be derived from the embodiments of the present invention by a person skilled in the art without any creative effort, should be included in the protection scope of the present invention.

Referring to fig. 1, the present invention relates to an idler exchange cart for a running belt conveyor, comprising: the idler replacement assembly 47, the hydraulic leg 41, the crawler 42, the vehicle body 43, the hydraulic motor gear 44, the idler placing frame 61 and the new idler 62. The

belt supporting components

45 and 46 are respectively arranged on two sides of the upper part of the vehicle body 43, and can meet the belt supporting and lifting condition by utilizing narrow roadway space through a telescopic mechanism in the running process of the conveyor belt; the carrier roller replacing assembly 47 is arranged in the middle of the upper part of the vehicle body 43, and can grab and damage the carrier roller within a short distance between the conveying belt and the main truss; the hydraulic support legs 41 are arranged at two sides of the lower part of the vehicle body 43, and extend downwards to support the vehicle body 43 to be fixed on the ground during operation; the crawler belt device 42 is arranged at the lower part of the vehicle body 43 and brings the moving capability to the vehicle; the hydraulic motor gear 44 is arranged beside the belt supporting component and is meshed with the rotating gear 15; the carrier roller placing frame 61 is arranged in front of the carrier roller replacing truss 21 and is driven to rotate by a rotating oil cylinder; the new carrier roller 62 is inserted into the carrier roller placing frame 61.

Referring to fig. 2-5, the belt assemblies 45, 46 include: the hydraulic lifting device comprises a primary hydraulic mechanical arm 1, a secondary hydraulic mechanical arm 2, a tertiary hydraulic mechanical arm 3, a transverse rotating groove 4, a telescopic supporting and lifting truss connection 5, a primary hydraulic cylinder 6, a secondary hydraulic cylinder 7, a tertiary hydraulic cylinder 8, a primary telescopic supporting and lifting truss 9, a secondary telescopic supporting and lifting truss 10, a tertiary telescopic supporting and lifting truss 11, a side carrier roller 12, a main carrier roller 13, a supporting and lifting hydraulic cylinder 14 and a rotating gear 15; the secondary hydraulic mechanical arm 2 is hinged on the primary hydraulic mechanical arm 1 and can be pushed by the primary hydraulic cylinder 6, the tertiary hydraulic mechanical arm 3 is hinged on the secondary hydraulic mechanical arm 2 and can be pushed by the secondary hydraulic cylinder 7, and the transverse rotating groove 4 is hinged on the tertiary hydraulic mechanical arm 3 and can be pushed by the tertiary hydraulic cylinder 8; the telescopic supporting truss connection 5 is in transition connection with the transverse rotating groove 4 through a rotating oil cylinder; the first-stage telescopic supporting and lifting truss 9 is welded in the telescopic supporting and lifting truss connection 5; the first-stage telescopic supporting and lifting truss 9 and the third-stage telescopic supporting and lifting truss 11 are inserted into the second-stage telescopic supporting and lifting truss 10, and the extension and the retraction are controlled through a hydraulic cylinder; the side carrier rollers 12 are arranged on the first-stage telescopic supporting and lifting truss 9 and the third-stage telescopic supporting and lifting truss 11; the main carrier roller 13 is arranged on the secondary telescopic truss 10; the supporting and lifting hydraulic cylinder 14 is arranged at the lower parts of the first-stage telescopic supporting and lifting truss 9 and the third-stage telescopic supporting and lifting truss 11; the first-stage hydraulic mechanical arm 1, the second-stage hydraulic mechanical arm 2, the third-stage hydraulic mechanical arm 3, the transverse rotating groove 4, the telescopic supporting and lifting truss connection 5, the first-stage hydraulic cylinder 6, the second-stage hydraulic cylinder 7 and the third-stage hydraulic cylinder 8 are matched with one another to place the first-stage telescopic supporting and lifting truss 9, the second-stage telescopic supporting and lifting truss 10, the third-stage telescopic supporting and lifting truss 11, the side carrier roller 12, the main carrier roller 13 and the supporting and lifting hydraulic cylinder 14 in a gap between a belt and a main truss of the belt conveyor so as not to interfere with the belt conveyor; the two-stage telescopic supporting and lifting truss 10 and the three-stage telescopic supporting and lifting truss 11 extend forwards to the same length of a main truss of the belt conveyor, and then are controlled to turn over through the transverse rotating groove 4 and the telescopic supporting and lifting truss connection 5 and stand on the main truss of the belt conveyor; the lifting hydraulic cylinder 14 extends downwards to push the first-stage telescopic lifting truss 9, the second-stage telescopic lifting truss 10, the third-stage telescopic lifting truss 11, the side carrier roller 12 and the main carrier roller 13 to a conveying belt and jack up enough space for replacing carrier rollers; of particular note, after the idler change is complete, the above actions need to be repeated in reverse to withdraw the idler assemblies 45, 46.

Referring to fig. 6-8, the idler exchange assembly 47 includes: the carrier roller replacing truss 21, the lifting hydraulic rod 22, the lifting chain 23, the lifting platform 24, the telescopic hydraulic arm 25 and the hydraulic manipulator 26; the carrier roller replacing truss 21 is arranged on the vehicle body 43, one end of the lifting chain 23 is connected to the carrier roller replacing truss 21, the other end of the lifting chain is connected to the lifting platform 24, and the middle of the lifting chain is connected to the lifting hydraulic rod 22 through a pulley; the lifting platform 24 is arranged in the carrier roller replacing truss 21 and can move up and down in the carrier roller replacing truss 21 under the control of the lifting hydraulic rod 22 and the lifting chain 23; the telescopic hydraulic arm 25 can slide left and right on the lifting platform 24 through a hydraulic cylinder, when the lifting platform 24 is controlled by the lifting hydraulic rod 22 and the lifting chain 23 to reach the same height of the replaced damaged carrier roller, the telescopic hydraulic arm 25 extends forwards to enable the hydraulic manipulator 26 to reach a proper carrier roller replacement position, at the moment, the hydraulic manipulator 26 is driven to open to grasp the damaged carrier roller and take the damaged carrier roller down, the hydraulic manipulator 26 is controlled to retract above the carrier roller placing frame 61 through the telescopic hydraulic arm 25 and the hydraulic lifting platform 24, the damaged carrier roller is replaced and a new carrier roller 62 is grasped, and then the hydraulic manipulator 26 is controlled by the telescopic hydraulic arm 25 and the hydraulic lifting platform 24 to extend to the carrier roller replacement position to install a new carrier roller 62, and finally the hydraulic manipulator is controlled by the telescopic hydraulic arm 24 and the hydraulic lifting platform 25 to retract.

Claims

1. A belt conveyor idler replacement vehicle in operation, characterized in that it comprises: idler belt assemblies (45, 46), idler replacement assemblies (47), hydraulic outriggers (41), and crawler track devices (42) , body (43), hydraulic motor gear (44), idler rack (61) and new idler (62); the support belt assemblies (45, 46) are installed on the upper part of the body (43) On both sides of the conveyor belt, the narrow roadway space can be used to meet the conveyor belt lifting conditions during the running process of the conveyor belt; Grab damaged idlers within a short distance from the main truss.

2. An in-operation belt conveyor idler replacement vehicle according to claim 1, characterized in that, the idler assembly (45, 46) comprises: a primary hydraulic manipulator (1), a secondary Hydraulic manipulator arm (2), three-stage hydraulic manipulator arm (3), lateral rotation groove (4), telescopic lift truss connection (5), primary hydraulic cylinder (6), secondary hydraulic cylinder (7), tertiary hydraulic manipulator Hydraulic cylinder (8), first-level telescopic lifting truss (9), second-level telescopic lifting truss (10), third-level telescopic lifting truss (11), side rollers (12), main rollers (13), The lifting hydraulic cylinder (14) and the rotating gear (15); the secondary hydraulic manipulator arm (2) is hinged on the primary hydraulic manipulator arm (1) and can be pushed by the primary hydraulic cylinder (6), The three-stage hydraulic manipulator (3) is hinged on the two-stage hydraulic manipulator (2) and can be pushed by the two-stage hydraulic cylinder (7), and the lateral rotation groove (4) is hinged on the three-stage hydraulic The mechanical arm (3) can be pushed by the three-stage hydraulic cylinder (8); the telescopic support and lift truss connection (5) and the lateral rotation groove (4) are transitionally connected through a rotating oil cylinder; the first-stage telescopic support The lifting truss (9) is welded in the telescopic lifting truss connection (5); the first-level telescopic lifting truss (9) and the third-level telescopic lifting truss (11) are inserted into the second-level telescopic lifting truss (10) The side rollers (12) are installed on the first-level telescopic lifting truss (9) and the third-level telescopic lifting truss (11); the main rollers (13) Installed on the second-level telescopic truss (10); the lifting hydraulic cylinder (14) is installed on the lower part of the first-level telescopic lifting truss (9) and the third-level telescopic lifting truss (11); the first-level hydraulic Mechanical arm (1), secondary hydraulic manipulator (2), tertiary hydraulic manipulator (3), lateral rotation slot (4), telescopic lift truss connection (5), primary hydraulic cylinder (6), secondary The hydraulic cylinder (7) and the third-stage hydraulic cylinder (8) cooperate with each other to connect the first-stage telescopic lifting truss (9), the second-stage telescopic lifting truss (10), the third-stage telescopic lifting truss (11), and the side The idler (12), the main idler (13), and the lifting hydraulic cylinder (14) are placed in the gap between the belt of the belt conveyor and the main truss; the two-stage telescopic lifting truss (10), The three-stage telescopic lifting truss (11) extends forward to the same length as the main truss of the belt conveyor, and then controls the flip through the lateral rotation groove (4) and the telescopic lifting truss connection (5) and stands on the main body of the belt conveyor on the truss; the lifting hydraulic cylinder (14) extends downward, and the first-level telescopic lifting truss (9), the second-level telescopic lifting truss (10), and the third-level telescopic lifting truss (11) ), the side idler (12), and the main idler (13) are pushed to the conveyor belt and have enough space for the replacement of the idler; it is especially important to note that after the replacement of the idler is completed, the above actions need to be repeated in the opposite direction. The carrier belt assemblies (45, 46) are withdrawn.

3. The belt conveyor idler replacement vehicle in operation according to claim 1, wherein the idler replacement assembly (47) comprises: an idler replacement truss (21), a lifting hydraulic rod (22), lifting chain (23), lifting platform (24), telescopic hydraulic arm (25) and hydraulic manipulator (26); The replacement truss (21) is installed on the body (43), one end of the lifting chain (23) is connected to the roller replacement truss (21), and the other end is connected to the lifting platform (24) The upper middle is connected to the lifting hydraulic rod (22) through a pulley; the lifting platform (24) is installed in the roller replacement truss (21) and is connected by the lifting hydraulic rod (22), The lifting chain (23) can be controlled to move up and down in the idler replacement truss (21); the telescopic hydraulic arm (25) can slide left and right on the lifting platform (24) through the hydraulic cylinder, when the lifting platform (24) After the lifting hydraulic rod (22) and the lifting chain (23) are controlled to reach the same height as the damaged idler to be replaced, the telescopic hydraulic arm (25) extends forward and makes the hydraulic manipulator (26) reach the same height. The appropriate position for replacing the idler, at this time, the hydraulic manipulator (26) is driven by hydraulic pressure to open and grab the damaged idler and remove it, and then control it through the telescopic hydraulic arm (25) and the hydraulic lift table (24). Retract the hydraulic manipulator (26) above the idler placement frame (61), replace the damaged idler, grab a new idler (62), and then pass the telescopic hydraulic arm (25) And the hydraulic lifting table (24) controls the hydraulic manipulator (26) to be inserted into the said idler replacement position to install the new idler (62), and finally through the said telescopic hydraulic arm (24) and the hydraulic lifting table ( 25) Control to retract the hydraulic manipulator (26).

4. A belt conveyor idler replacement vehicle in operation according to claim 1, characterized in that the hydraulic outriggers (41) are installed on both sides of the lower part of the vehicle body (43), and downward during operation Extend and support the body (43) firmly on the ground; the crawler device (42) is installed on the lower part of the body (43) to bring mobility to the vehicle; the hydraulic motor gear (44) is installed on the Next to the supporting belt assemblies (45, 46), and meshing with the rotating gear (15); the supporting roller placement frame (61) is installed in front of the supporting roller replacement truss (21) and is driven to rotate by a rotary oil cylinder; The new idler (62) is inserted into the idler rack (61).