Impact-resistant plow discharger on bulk material conveyor belts

Abstract

The present invention discloses a plough discharger on an impact-resistant bulk material conveyor belt conveyor, which solves the problems of the existing plough discharger having a complicated driving and discharge positioning mechanism and weak impact resistance. A plough discharger trolley (3) is arranged between a front track (1) on which the plough discharger trolley travels and a rear track (2) on which the plough discharger trolley travels. A trolley driving wire rope (10) travels along the left and right directions of the plough discharger trolley (3) to construct a closed U-shaped wire rope guide rail with a right-angle bend. When the trolley travel drive motor (6) rotates in the forward direction, the action between the driving wheel and the trolley driving wire rope forms traction on the plough discharger trolley. A counterweight block (18) is suspended on a counterweight hanger (15). The counterweight block acts on the trolley travel front drive wheel (8) and the trolley travel rear drive wheel (9) through the trolley driving wire rope, forming a pair of torques in the opposite direction of material transmission.

Description

Technical Field

[0001] The present invention relates to a plough type discharger arranged on a bulk material conveyor belt conveyor, and in particular to a plough type discharger which can effectively overcome the impact of materials on a plough head baffle, causing the plough type discharger trolley to slide forward along the material conveying direction, and a method for the plough type discharger to resist material impact. Background Art

[0002] In industries such as mines, power plants, coal yards and docks, belt conveyors are widely used to transport bulk materials. On the bulk material conveying belt, a plow-type unloader is generally used to unload the bulk materials on the belt conveyor in sections. The plow-type unloader is generally designed as an integral trolley, which is movably arranged on the frame of the belt conveyor and can move to the unloading position according to the unloading position, and unload the bulk materials transported on the conveyor belt into the corresponding hopper through the plow head. The plow-type unloader trolley is provided with a trolley travel drive device and a fixing mechanism for the trolley during unloading. The trolley travel drive device generally uses a drive motor to realize the movement of the trolley through a transmission chain. The trolley fixing mechanism during unloading is generally realized by a wheel brake device. There is also a trolley on the trolley. A limiting mechanism is used between the trolley and the frame of the belt conveyor, the purpose of which is to achieve relative fixation of the unloading position; the existing form of the movement and positioning of the plough type unloader is set separately, which has the characteristics of complex structure and needs to be controlled and realized separately during on-site implementation, especially the unloading positioning mechanism. If the method of limiting between the trolley and the frame of the belt conveyor is adopted, there are defects such as complex on-site operation, time-consuming and labor-intensive, and difficult operation; if the wheel braking device of the plough type unloader is used, it is often due to insufficient braking force that the material on the belt hits the plow head baffle, which easily causes the plough type unloader to slide forward in the material conveying direction, resulting in the leakage of bulk material, and also aggravates the wear between the material supporting wheel group on the plough type unloader and the material conveying belt, causing belt damage and breakage accidents. Summary of the invention

[0003] The invention provides an impact-resistant plough-type discharger on a bulk material conveyor belt conveyor, which solves the technical problems of the existing plough-type discharger, such as the complicated driving and discharge positioning mechanisms and the weak impact resistance.

[0004] The present invention solves the above technical problems through the following technical solutions:

[0005] The overall concept of the present invention is: a wire rope roller bracket is respectively arranged at both ends of a frame of a bulk material conveyor belt machine, that is, a wire rope roller bracket is respectively arranged at both ends of the frame on the front side of the conveyor belt, and another two wire rope roller brackets are respectively arranged at both ends of the frame on the rear side of the conveyor belt, and a wire rope roller is arranged on each wire rope roller bracket, a plow type discharger trolley is arranged on the frame walking track between the two wire rope roller brackets, a trolley moving drive motor is arranged on the plow type discharger trolley, a reducer with two protruding end shafts is connected to the trolley moving drive motor, and a reducer is arranged on the reducer A trolley driving roller is arranged on the front and rear protruding end shafts, and a spiral track groove is arranged on the wheel surface of the trolley driving roller. One end of a steel wire rope is fixed to the frame at the right end of the front side of the belt. The steel wire rope passes through the roller on the steel wire rope roller bracket at the right end of the front side of the belt, the trolley front driving roller on the front protruding shaft of the reducer connected to the driving motor of the plough type unloader, the roller on the steel wire rope roller bracket at the left end of the front side of the belt, the roller on the counterweight bracket arranged under the conveyor belt frame, the roller on the steel wire rope roller bracket at the left end of the rear side of the belt, and the roller on the rear protruding shaft of the reducer connected to the driving motor of the plough type unloader. After the rear driving roller of the trolley and the roller on the wire rope roller bracket at the right end of the rear side of the belt, the other end of the wire rope is fixed on the frame at the right end of the rear side of the belt; the wire rope constructs a walking drive U-shaped track for the plough type unloader trolley. When the driving motor on the plough type unloader trolley rotates forward, the front and rear driving wheels on the reducer will roll to the right along the wire rope, thereby driving the plough type unloader trolley to move to the right; when the driving motor on the plough type unloader trolley rotates in the reverse direction, the front and rear driving wheels on the reducer will roll to the left along the wire rope, thereby driving the plough type unloader trolley to move to the left; After the material trolley moves to the unloading position, the driving motor of the plough type unloader trolley stops, and the plowshare of the plough type unloader is pressed down to unload. The present invention hangs a counterweight block on a counterweight bracket arranged under the conveyor belt frame. The hung counterweight block acts on the trolley driving rollers arranged on the front and rear protruding end shafts of the reducer through a steel wire rope, thereby forming a torque in the opposite direction to the material conveying of the plough type unloader trolley. The torque balances the impact torque of the material conveyed on the belt on the plowshare pressing down of the plough type unloader, thereby overcoming the defect of the plough type unloader sliding forward along the material conveying direction and avoiding the leakage of bulk materials.

[0006] A plough type discharger on an impact-resistant bulk material conveyor belt conveyor comprises a counterweight hanger, a trolley driving wire rope, a front track for the plough type discharger trolley and a rear track for the plough type discharger trolley fixedly arranged on the belt conveyor frame, a front wire rope redirecting wheel and a rear wire rope redirecting wheel are respectively arranged on the counterweight hanger, a plough type discharger trolley is arranged between the front track for the plough type discharger trolley and the rear track for the plough type discharger trolley, two front wheels of the plough type discharger trolley are movably arranged on the front track for the plough type discharger trolley, and two rear wheels of the plough type discharger trolley are movably arranged on the rear track for the plough type discharger trolley A trolley travel drive motor is arranged on the body frame of the plow type unloader trolley, a coaxial double-output reducer is connected to the output shaft of the trolley travel drive motor, the front end shaft of the coaxial double-output reducer is connected to the trolley travel front drive wheel, and the rear end shaft of the coaxial double-output reducer is connected to the trolley travel rear drive wheel; a front right end steel wire rope passing roller bracket is fixedly arranged on the front track of the plow type unloader trolley on the right side of the plow type unloader trolley, a front right end steel wire rope passing roller is arranged on the front right end steel wire rope passing roller bracket, and a rear right end steel wire rope passing roller is fixedly arranged on the rear track of the plow type unloader trolley on the right side of the plow type unloader trolley The wire rope passes through the roller bracket, and a rear right-end wire rope passing roller is arranged on the rear right-end wire rope passing roller bracket; a front left-end wire rope passing roller bracket is fixedly arranged on the front track of the plow type unloader trolley on the left side of the plow type unloader trolley, and a front left-end wire rope passing roller is arranged on the front left-end wire rope passing roller bracket, and a rear left-end wire rope passing roller is fixedly arranged on the rear track of the plow type unloader trolley on the left side of the plow type unloader trolley, and a rear left-end wire rope passing roller is arranged on the rear left-end wire rope passing roller bracket; one end of the trolley driving wire rope is fixed to the front right-end wire rope passing roller bracket The plough type unloader trolley on the right side of the frame walks on the front track, and the other end of the trolley driving wire rope passes through the front right end wire rope through the roller, the front driving wheel of the trolley, the front left end wire rope through the roller, the front wire rope redirecting wheel, the rear wire rope redirecting wheel, the rear left end wire rope through the roller, the trolley rear driving wheel, the rear right end wire rope through the roller, and then is fixedly connected to the rear right end wire rope through the roller bracket of the plough type unloader trolley on the right side of the rear track, the trolley driving wire rope passes through the front driving wheel of the trolley and the rear driving wheel of the trolley in the form of a circle; a counterweight block is hung on the counterweight hanger.

[0007] A spiral wire rope guide groove is arranged on the wheel surface of the front driving wheel of the trolley and the wheel surface of the rear driving wheel of the trolley, and the trolley driving wire rope is wound in the spiral wire rope guide groove.

[0008] A supporting wheel group, a discharging pear head, a discharging chute, a left U-shaped supporting roller and a right U-shaped supporting roller are respectively arranged on the plough type unloader trolley. A material conveying belt is movably arranged between the left U-shaped supporting roller and the right U-shaped supporting roller. The material conveying belt passes between the supporting wheel group and the discharging pear head on the plough type unloader trolley.

[0009] The present invention aims at the engineering problems of forward sliding and insufficient braking force in the existing plow type discharger during unloading, and provides a counterweight wire rope balancing brake device for the plow type discharger. The device has a reasonable design and can calculate the required braking force according to various technical parameters in the conveying process of the belt conveyor. The device can also flexibly change the braking force by changing the mass of the suspended weight, thereby improving the accuracy of unloading, reducing the wear of the wheel group and the conveyor belt, and effectively improving the operating stability of the belt conveyor when unloading with the plow type discharger. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the structure of the present invention in the main viewing direction;

[0011] Figure 2 It is a schematic diagram of the structure of the present invention in a side view direction;

[0012] Figure 3 It is a schematic structural diagram of the front driving wheel 8 of the trolley of the present invention. DETAILED DESCRIPTION

[0013] The present invention is described in detail below in conjunction with the accompanying drawings:

[0014] A plough type discharger on an impact-resistant bulk material conveyor belt conveyor, comprising a counterweight hanger 15, a trolley driving wire rope 10, a front track 1 for the plough type discharger trolley and a rear track 2 for the plough type discharger trolley fixedly arranged on the belt conveyor frame, a front wire rope redirecting wheel 16 and a rear wire rope redirecting wheel 17 are respectively arranged on the counterweight hanger 15, a plough type discharger trolley 3 is arranged between the front track 1 for the plough type discharger trolley and the rear track 2 for the plough type discharger trolley, and two front wheels 4 of the plough type discharger trolley 3 are movably arranged on the front track 1 for the plough type discharger trolley and the rear track 2 for the plough type discharger trolley. The plough type discharger trolley is on the front track 1, and the two rear wheels 5 of the plough type discharger trolley 3 are movably arranged on the rear track 2 of the plough type discharger trolley. The plough type discharger trolley 3 is a four-wheeled rectangular parallelepiped trolley. The trolley uses the front track 1 of the plough type discharger trolley and the rear track 2 of the plough type discharger trolley as support walking tracks to achieve movement in the left and right directions. A trolley travel drive motor 6 is arranged on the body frame of the plough type discharger trolley 3, and a coaxial double-output reducer 7 is connected to the output shaft of the trolley travel drive motor 6. The front end shaft of the reducer 7 is connected to the front driving wheel 8 of the trolley, and the rear end shaft of the coaxial dual-output reducer 7 is connected to the rear driving wheel 9 of the trolley; a front right end steel wire rope passing roller bracket 11 is fixedly arranged on the front track 1 of the plough type unloader trolley on the right side of the plough type unloader trolley 3, and a front right end steel wire rope passing roller bracket 12 is arranged on the front right end steel wire rope passing roller bracket 11; a rear right end steel wire rope passing roller bracket is fixedly arranged on the rear track 2 of the plough type unloader trolley on the right side of the plough type unloader trolley 3, and a rear right end steel wire rope passing roller bracket is fixedly arranged on the rear track 2 of the plough type unloader trolley on the right side of the plough type unloader trolley The end wire rope passes through the roller bracket, and a rear right-end wire rope passes through the roller; a front left-end wire rope passes through the roller bracket 13 is fixedly arranged on the front track 1 of the plow type unloader trolley on the left side of the plow type unloader trolley 3, and a front left-end wire rope passes through the roller bracket 14 is arranged on the front left-end wire rope passes through the roller bracket 13; a rear left-end wire rope passes through the roller bracket is fixedly arranged on the rear track 2 of the plow type unloader trolley on the left side of the plow type unloader trolley 3, and a rear left-end wire rope passes through the roller bracket;One end of the trolley driving wire rope 10 is fixed on the front track 1 of the plow type unloader trolley on the right side of the front right end wire rope passing roller bracket 11, and the other end of the trolley driving wire rope 10 passes through the front right end wire rope passing roller 12, the front driving wheel 8 of the trolley, the front left end wire rope passing roller 14, the front wire rope redirecting wheel 16, the rear wire rope redirecting wheel 17, the rear left end wire rope passing roller, and the rear driving wheel 9 of the trolley in sequence. , after the rear right end wire rope passes through the roller, it is fixedly connected to the rear track 2 of the plow type unloader trolley on the right side of the rear right end wire rope passing through the roller bracket, and the trolley driving wire rope 10 travels along the left and right directions of the plow type unloader trolley 3 to construct a closed U-shaped wire rope guide with a right-angle bend. Since the trolley driving wire rope 10 passes through the front driving wheel 8 of the trolley and the rear driving wheel 9 of the trolley in the form of a circle, When the trolley travel driving motor 6 rotates forward, the trolley travel front side driving wheel 8 and the trolley travel rear side driving wheel 9 also rotate forward, and the two driving wheels wind the trolley drive wire rope 10 on one side of the wheel surface onto the wheel surface, and at the same time release the trolley drive wire rope 10 on the other side of the wheel surface from the wheel surface. The action between the driving wheel and the trolley drive wire rope 10 forms a traction on the plow type discharger trolley 3, causing the plow type discharger trolley 3 to move to the right along the plow type discharger trolley travel front side track 1 and the plow type discharger trolley travel rear side track 2; similarly, when the trolley travel driving motor 6 rotates in the reverse direction, the two driving wheels walk on the trolley drive wire rope 10, realizing the plow type discharger trolley 3 to move to the left along the plow type discharger trolley travel front side track 1 and the plow type discharger trolley travel rear side track 2; by controlling the trolley travel driving motor 6, the plow type discharger trolley 3 can be moved to the position where unloading is required. Since the head of the closed U-shaped wire rope guide with a right-angle bend constructed by the trolley driving wire rope 10 is fixed at the front end of the material conveying direction of the material conveying belt 22, and the tail of the closed U-shaped wire rope guide with a right-angle bend is located at the rear end of the material conveying direction, the trolley driving wire rope 10 is suspended with a counterweight hanger 15 after the front left end wire rope passes through the roller 14 and the rear left end wire rope passes through the roller and is vertically redirected downward, and a counterweight block 18 is suspended on the counterweight hanger 15, so the counterweight block 18 acts on the front side of the trolley through the trolley driving wire rope 10. A pair of torques in the opposite direction of material conveying are formed on the driving wheel 8 and the driving wheel 9 on the rear side of the trolley. The pair of torques in the opposite direction of material conveying act on the plough-type discharger trolley 3 through the coaxial double-output reducer 7 to counteract the impact torque in the material conveying direction formed by the material conveyed on the material conveying belt 22 on the discharge pear head 21, thereby overcoming the forward sliding of the plough-type discharger in the material conveying direction caused by the material on the belt impacting the plow head baffle, avoiding the leakage of bulk materials and the wear between the supporting wheel group on the plough-type discharger and the material conveying belt;The weight of the counterweight block 18 suspended on the counterweight hanger 15 can be determined by calculation, and the counterweight block 18 can be adjusted to meet the requirements of different conveyor belts. ;

[0015] A spiral wire rope guide groove 19 is provided on the wheel surface of the front driving wheel 8 and the wheel surface of the rear driving wheel 9 of the trolley. The trolley driving wire rope 10 is wound in the spiral wire rope guide groove 19. The setting of the spiral wire rope guide groove 19 prevents the trolley driving wire rope 10 wound on the driving wheel surface from getting stuck, and the cooperation between the trolley driving wire rope 10 and the driving wheel is smoother.

[0016] A supporting wheel group 20, a discharging pear head 21, a discharging chute 25, a left U-shaped supporting roller 23 and a right U-shaped supporting roller 24 are respectively arranged on the plough type discharger trolley 3, and a material conveying belt 22 is movably arranged between the left U-shaped supporting roller 23 and the right U-shaped supporting roller 24, and the material conveying belt 22 passes between the supporting wheel group 20 and the discharging pear head 21 on the plough type discharger trolley 3; when the plough type discharger trolley 3 moves, the discharging pear head 21 is lifted, and the supporting wheel group 20 is lowered; when the plough type discharger trolley 3 moves to the discharging position, the discharging pear head 21 falls, and the supporting wheel group 20 is raised, and the bulk material conveyed by the material conveying belt 22 is blocked and redirected by the baffle of the discharging pear head 21, and enters the discharging chute 25 for discharging, and the material conveying belt 22 passes between the baffle of the discharging pear head 21 and the supporting wheel group 20.

Claims

1. A plough discharger on an impact-resistant bulk material conveyor belt conveyor, comprising a counterweight hanger (15), a trolley driving wire rope (10), a front track (1) for the plough discharger trolley and a rear track (2) for the plough discharger trolley fixedly arranged on a belt conveyor frame, a front wire rope redirecting wheel (16) and a rear wire rope redirecting wheel (17) are respectively arranged on the counterweight hanger (15), and a plough discharger trolley (3) is arranged between the front track (1) for the plough discharger trolley and the rear track (2) for the plough discharger trolley, characterized in that: A trolley travel drive motor (6) is arranged on the body frame of the plough type unloader trolley (3); a coaxial double-output reducer (7) is connected to the output shaft of the trolley travel drive motor (6); a trolley travel front drive wheel (8) is connected to the front end shaft of the coaxial double-output reducer (7); and a trolley travel rear drive wheel (9) is connected to the rear end shaft of the coaxial double-output reducer (7); a front right end steel wire rope passing roller bracket (11) is fixedly arranged on the front side track (1) of the plough type unloader trolley (3); and a front right end steel wire rope passing roller bracket (11) is fixedly arranged on the front side track (1) of the plough type unloader trolley (3); and a front right end steel wire rope passing roller bracket (11) is fixedly arranged on the front right end steel wire rope passing roller bracket (11) of the plough type unloader trolley (3). A front right end steel wire rope passing roller (12) is arranged on the roller bracket (11); a rear right end steel wire rope passing roller bracket is fixedly arranged on the rear track (2) for the plow type unloader trolley to travel on the right side of the plow type unloader trolley (3); a rear right end steel wire rope passing roller is arranged on the rear right end steel wire rope passing roller bracket; a front left end steel wire rope passing roller bracket (13) is fixedly arranged on the front track (1) for the plow type unloader trolley to travel on the left side of the plow type unloader trolley (3); a front left end steel wire rope passing roller bracket (13) is arranged on the front left end steel wire rope passing roller bracket (13). A rear left end wire rope passing roller bracket is fixedly arranged on the rear track (2) of the plow type unloader trolley (3) on the left side, and a rear left end wire rope passing roller is arranged on the rear left end wire rope passing roller bracket; one end of the trolley driving wire rope (10) is fixed on the front track (1) of the plow type unloader trolley on the right side of the front right end wire rope passing roller bracket (11), and the other end of the trolley driving wire rope (10) passes through the front right end wire rope passing roller (12), the trolley walking front driving wheel (8), the front side The left end wire rope passes through the roller (14), the front wire rope redirecting wheel (16), the rear wire rope redirecting wheel (17), the rear left end wire rope passing roller, the trolley travel rear driving wheel (9), and the rear right end wire rope passing roller, and is fixedly connected to the rear track (2) of the plough type unloader trolley on the right side of the rear right end wire rope passing roller bracket. The trolley driving wire rope (10) passes through the trolley travel front driving wheel (8) and the trolley travel rear driving wheel (9) in the form of a winding circle; a counterweight block (18) is suspended on the counterweight hanger (15).

2. The plough-type discharger on the impact-resistant bulk material conveyor belt according to claim 1 is characterized in that: A spiral steel wire rope guide groove (19) is provided on the wheel surface of the front driving wheel (8) of the trolley and the wheel surface of the rear driving wheel (9) of the trolley, and the trolley driving steel wire rope (10) is wound in the spiral steel wire rope guide groove (19).

3. The plough-type discharger on the impact-resistant bulk material conveyor belt according to claim 1 or 2, characterized in that: A material support wheel group (20), a material discharging head (21), a material discharging chute (25), a left U-shaped material support roller (23) and a right U-shaped material support roller (24) are respectively arranged on the plough type unloader trolley (3). A material conveying belt (22) is movably arranged between the left U-shaped material support roller (23) and the right U-shaped material support roller (24). The material conveying belt (22) passes between the material support wheel group (20) and the material discharging head (21) on the plough type unloader trolley (3).

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