CN215206982U

CN215206982U - Grit conveyer belt

Info

Publication number: CN215206982U
Application number: CN202120235285.2U
Authority: CN
Inventors: 潘进利; 侯强; 徐振
Original assignee: Qingdao Panshi Concrete Engineering Co ltd
Current assignee: Qingdao Panshi Concrete Engineering Co ltd
Priority date: 2021-01-28
Filing date: 2021-01-28
Publication date: 2021-12-17
Anticipated expiration: 2031-01-28

Abstract

The utility model relates to a grit conveyer belt, belong to the conveyer belt field, including first support, first support one end is rotated and is connected with parallel arrangement's drive roll and driven voller, the common cover of drive roll and driven voller is equipped with the belt, first support is close to drive roll position department and is rotated and be connected with the friction roller, the friction roller butt is in the belt lower surface, friction roller one end fixedly connected with connecting axle, connecting axle face of cylinder fixedly connected with connection piece, the connection piece articulates there is the down tube, connecting axle fixed surface is connected with first spring, first spring other end fixed connection is close to connecting axle one side in the down tube, the down tube is along friction roller pivoted opposite direction slope under the first spring natural state, first support is close to connecting axle position department and is provided with the horizontal pole, the down tube can butt in the horizontal pole, first support is close to drive roll position department and is provided with the brake assembly who is used for stopping the belt, the horizontal pole is close to brake assembly one side and is provided with the bolt subassembly that triggers the brake assembly. This application has the effect that reduces belt swift current car and reverses probability.

Description

Grit conveyer belt

Technical Field

The application relates to the field of conveying belts, in particular to a gravel conveying belt.

Background

The sand conveying belt is widely applied in the mining industry and the concrete industry at present.

Among the prior art, a grit conveyer belt is disclosed in chinese utility model patent document of publication No. CN206318327U, support frame including the slope setting, be equipped with the carriage on the support frame, be equipped with the conveying roller on the carriage, the conveying roller both sides all are equipped with the auxiliary frame, be equipped with the auxiliary roll that conveying roller one side dorsad is higher side on the auxiliary frame, be equipped with the belt of outside-in downward sloping under the effect of auxiliary roll on the conveying roller, be equipped with the gear motor who drives the belt motion on the support frame, the support frame both sides are equipped with many stands of arranging in proper order, many stands are equipped with the solid fixed pressing plate with stand fixed connection towards belt one side, be equipped with on the solid fixed pressing plate and can dismantle with solid fixed pressing plate and be connected movable pressing plate, be equipped with the transportation baffle that is compressed tightly by solid fixed pressing plate and movable pressing plate between solid fixed pressing plate and the movable pressing plate. The transportation baffle that fixed clamp plate and activity clamp plate on the stand compressed tightly makes even the higher of gravel pile to also can be blocked by the transportation baffle when both sides are smooth, and the beneath constructor is safer.

Aiming at the related technologies, the inventor thinks that when unexpected power failure occurs or the belt slips and reverses, the conveying equipment is easy to slip, and the material drives the belt to reverse at a high speed under the action of gravity, so that safety production accidents are caused.

SUMMERY OF THE UTILITY MODEL

In order to reduce the probability that the belt swift current car reverses, this application provides a grit conveyer belt.

The application provides a grit conveyer belt adopts following technical scheme:

a sandstone conveyer belt comprises a first bracket, wherein one end of the first bracket is rotatably connected with a driving roller, one end of the first bracket, which is far away from the driving roller, is rotatably connected with a driven roller, the driving roller and the driven roller are arranged in parallel, the driving roller is lower than the driven roller, the driving roller and the driven roller are jointly sleeved with a belt, the first bracket is rotatably connected with a friction roller at the position close to the driving roller, the friction roller is abutted against the lower surface of the belt, one end of the friction roller is fixedly connected with a connecting shaft, the connecting shaft and the friction roller are coaxially arranged, the cylindrical surface of the connecting shaft is fixedly connected with a connecting sheet, the connecting sheet is hinged with an inclined rod, the surface of the connecting shaft is fixedly connected with a first spring, the other end of the first spring is fixedly connected to one side of the inclined rod, the inclined rod is inclined along the direction opposite to the rotation of the friction roller under the natural state of the first spring, a cross rod is arranged at the position close to the connecting shaft, and the inclined rod can be abutted against the cross rod, the first support is provided with a brake assembly for stopping the belt at a position close to the driving roller, and one side of the cross rod close to the brake assembly is provided with a plug pin assembly for triggering the brake assembly.

Through adopting above-mentioned scheme, when the belt corotation, rely on first spring to take place to step down behind the down tube striking horizontal pole, when the belt reverses because of the occurence of failure swift current car, the belt drives the friction roller and reverses, and the friction roller drives the down tube through the connecting axle and reverses, and the horizontal pole is caught after the down tube reverses, and the horizontal pole triggers brake assembly through the bolt subassembly, and brake assembly brakes the belt, reduces the belt and reverses and cause equipment to damage and personnel injured probability.

Preferably, the connecting piece is close to the hinge position of the diagonal rod and is fixedly connected with a limiting block, and the limiting block can be abutted to the position of the diagonal rod close to the limiting block.

Through adopting above-mentioned scheme, when the belt reverses and causes the down tube to reverse and catch on the horizontal pole, stopper butt in the down tube, the stopper makes the down tube keep inclination until pulling out the horizontal pole, reduces the probability that the too big messenger first spring of pulling force became invalid between down tube and the horizontal pole.

Preferably, the position of the inclined rod far away from the connecting shaft is fixedly connected with a limiting rod, and the limiting rod can abut against the cross rod.

Through adopting above-mentioned scheme, when the belt reverses the down tube and catches on the horizontal pole, gag lever post butt in the horizontal pole, gag lever post help down tube blocks the horizontal pole, and the gag lever post reduces the probability that the horizontal pole slipped from the down tube, improves the reliability that the horizontal pole triggered bolt subassembly.

Preferably, first support is close to two backup pads of connecting axle position department fixedly connected with, two backup pads are located the connecting axle and keep away from driven voller one side, the spout that is parallel to each other is all seted up to two backup pads, the equal perpendicular connecting axle setting of all spout length directions, two spouts are dredged by being close to connecting axle one end, horizontal pole sliding connection is in two spouts, the horizontal pole slides to being close to the connecting axle direction along keeping away from the connecting axle direction, the equal fixedly connected with second spring of spout position department is corresponded at the horizontal pole both ends, all second springs all set up along spout length direction, the equal fixed connection in backup pad of horizontal pole one end is kept away from to all second springs, second spring natural state down the horizontal pole is close to the connecting axle, the spacing pole can the butt in the horizontal pole under the second spring natural state.

Through adopting above-mentioned scheme, the horizontal pole slides along spout length direction, and when the down tube corotation, second spring cooperation horizontal pole slides in the spout, and the horizontal pole abdicates for the down tube in the spout behind the down tube collision horizontal pole, and then the second spring makes the horizontal pole reset.

Preferably, first support is close to drive roll one end fixedly connected with second support, second support top fixedly connected with mounting panel, brake assembly connects and is close to drive roll position department in the mounting panel, brake assembly includes a plurality of slide bars of sliding connection in the mounting panel, all slide bars are slided to being close to the drive roll direction by keeping away from the drive roll direction, all slide bars are close to the curved brake block of the common fixedly connected with of drive roll position department, the brake block can butt correspond drive roll position department in the belt, all the covers are equipped with the third spring on all the slide bars, the equal fixed connection of all third spring one ends is close to drive roll one side in the mounting panel, the equal fixed connection of all third spring other ends is close to mounting panel one side in the brake block, brake block butt in the belt under the third spring natural state.

Through adopting above-mentioned scheme, after the belt reverses and triggers the bolt subassembly, the third spring promotes the brake block butt in the belt and corresponds drive roll position department, and the brake block takes place the friction with the belt under the effect of third spring thrust, and the kinetic energy that the brake block consumed the belt gradually makes the belt stop motion.

Preferably, one side of the brake plate, which is close to the driving roller, is fixedly connected with a plurality of friction blocks.

Through adopting above-mentioned scheme, when the brake block butt belt, the clutch blocks extrusion belt, the frictional force between brake block increase brake block and the belt improves the brake performance of brake block, shortens the time that the belt was stopped by the brake.

Preferably, a ventilation through groove is formed in the position, corresponding to the position between the friction blocks close to each other, of the brake plate.

Through adopting above-mentioned scheme, the logical groove of ventilating keeps the air current unobstructed between belt and the brake block at the in-process of brake block friction belt brake, reduces the temperature of brake block and the mutual friction position department of belt, thereby reduces the condition emergence that high temperature made the belt warp to melt and lead to the brake inefficacy.

Preferably, the bolt subassembly sets up in the mounting panel and corresponds brake block position department, the bolt subassembly includes that fixed connection is close to the first locating plate in brake block one side in the mounting panel, the brake block corresponds first locating plate position department fixedly connected with second locating plate, first locating plate has been seted up near second locating plate one end, the second locating plate corresponds first locating hole position department and has seted up the second locating hole, first locating hole and second locating hole are pegged graft jointly and have the inserted bar, horizontal pole fixedly connected with brake steel wire, the second support is close to inserted bar position department and rotates and be connected with the leading wheel, the leading wheel is located to the brake steel wire cover, horizontal pole one end fixed connection in the inserted bar is kept away from to the brake steel wire.

By adopting the above scheme, after the belt reverses to make the down tube collude the horizontal pole, the horizontal pole pulling brake steel wire, the brake steel wire pulls out the inserted bar of pegging graft at first locating plate and second locating plate after the switching-over of leading wheel, and the bolt subassembly releases the brake block after the inserted bar is pulled out.

Preferably, the mounting panel rotates and is connected with the capstan winch, capstan winch fixedly connected with steel cable, and capstan winch one end fixed connection is kept away from to the steel cable in the braking vane.

Through adopting above-mentioned scheme, after brake assembly stopped the belt, the workman in time repaired the trouble, then rotates the capstan winch and utilizes the steel cable to pull back the brake block in the original department, and the workman resumes bolt subassembly and brake assembly and treats the trigger state.

Preferably, one side, away from the braking vane, of the mounting plate is hinged with a plurality of hydraulic dampers, and one ends, away from the mounting plate, of all the hydraulic dampers are hinged with one ends, away from the braking vane, of the sliding rods.

By adopting the scheme, when the brake block is popped up by the third spring, the hydraulic damper reduces the explosive force of the third spring, so that the brake block gradually contacts and rubs with the belt, and the probability that the brake block violently impacts the belt to cause the belt to be locked to cause tearing or deviation is reduced.

In conclusion, the invention has the following beneficial effects:

1. when the belt slides and rotates reversely due to an accident, the belt drives the friction roller to rotate reversely, the friction roller drives the inclined rod to rotate reversely through the connecting shaft, the inclined rod hooks the cross rod after rotating reversely, the cross rod triggers the brake assembly through the bolt assembly, the brake assembly brakes the belt, and the probability of equipment damage and personnel injury caused by belt rotation is reduced;

2. the ventilation through groove keeps smooth airflow between the belt and the brake plate in the process that the brake plate rubs the belt to brake, reduces the temperature of the mutual friction position of the brake plate and the belt, and reduces the occurrence of brake failure caused by deformation and melting of the belt due to high temperature;

3. the hydraulic damper reduces the explosive force of the third spring, so that the brake plate gradually contacts and rubs with the belt, and the probability that the brake plate violently impacts the belt to cause the belt to be locked to cause tearing or deviation is reduced.

Drawings

FIG. 1 is a schematic structural view of a sand conveyor belt according to an embodiment of the present application;

FIG. 2 is a cross-sectional view of a sand conveyor belt according to an embodiment of the present application;

FIG. 3 is a schematic view of the construction of the protruding diagonal rods of a sand conveyor belt according to an embodiment of the present application;

FIG. 4 is a schematic structural view of a protruding brake assembly of a sand conveyor belt according to an embodiment of the present application;

FIG. 5 is an enlarged view of portion A of FIG. 2;

fig. 6 is a cross-sectional view of a protruding bayonet of a sand conveyor belt according to an embodiment of the present application.

Description of reference numerals: 1. a first bracket; 11. a drive roll; 12. a driven roller; 13. a belt; 14. a rubbing roller; 2. a power assembly; 21. a motor; 22. a reduction gearbox; 3. a connecting shaft; 31. connecting sheets; 311. a limiting block; 312. a diagonal bar; 3121. a limiting rod; 3122. a first spring; 4. a support plate; 41. a chute; 42. a cross bar; 43. a second spring; 5. a second bracket; 51. mounting a plate; 511. a guide sleeve; 5111. a guide bar; 512. a winch; 5121. a wire rope; 513. a hydraulic damper; 6. a brake assembly; 61. a slide bar; 62. a brake plate; 621. a friction block; 622. a ventilation through groove; 623. a third spring; 7. a plug pin assembly; 71. a first positioning plate; 711. a first positioning hole; 72. a second positioning plate; 721. a second positioning hole; 73. inserting a rod; 74. a brake steel wire; 75. a guide wheel.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses grit conveyer belt. Referring to fig. 1 and 2, including first support 1, first support 1 one end is rotated and is connected with drive roll 11, first support 1 is close to drive roll 11 position department and is provided with power component 2, power component 2 includes motor 21 of fixed connection in first support 1 near drive roll 11 position department, first support 1 is close to motor 21 position department fixed connection with reducing gear box 22, the output shaft of motor 21 sets up with reducing gear box 22's input shaft coaxial line, the output shaft fixed connection of motor 21 is in reducing gear box 22's input shaft, the output shaft of reducing gear box 22 sets up with drive roll 11 coaxial line, the output shaft fixed connection of reducing gear box 22 is in the one end of drive roll 11. One end of the first support 1, which is far away from the driving roller 11, is rotatably connected with a driven roller 12, the driving roller 11 and the driven roller 12 are arranged in parallel, the driving roller 11 is lower than the driven roller 12, and a belt 13 is sleeved on the driving roller 11 and the driven roller 12 together.

Referring to fig. 2 and 3, a friction roller 14 is rotatably connected to a position of the first support 1 close to the driving roller 11, the friction roller 14 abuts against the lower surface of the belt 13, one end of the friction roller 14 is fixedly connected with a connecting shaft 3, the connecting shaft 3 and the friction roller 14 are coaxially arranged, a cylindrical surface of the connecting shaft 3 is fixedly connected with a connecting sheet 31, the connecting sheet 31 is hinged with an inclined rod 312, the connecting sheet 31 is fixedly connected with a limiting block 311 close to a hinged position of the inclined rod 312, the limiting block 311 can abut against a position of the inclined rod 312 close to the limiting block 311, a first spring 3122 is fixedly connected to the surface of the connecting shaft 3, the other end of the first spring 3122 is fixedly connected to one side of the inclined rod 312 close to the connecting shaft 3, the inclined rod 312 inclines along the opposite direction of the rotation of the friction roller 14 in the natural state of the first spring 3122, and the inclined rod 312 is fixedly connected with a limiting rod 3121 far away from the position of the connecting shaft 3. Two backup pads 4 of fixedly connected with of first support 1 department of being close to connecting axle 3 position department, two backup pads 4 are located connecting axle 3 and keep away from driven voller 12 one side, mutually parallel spout 41 has all been seted up to two backup pads 4, the equal perpendicular connecting axle 3 setting of all spout 41 length directions, two spout 41 are by being close to connecting axle 3 one end break through two backup pads 4, the common sliding connection of all spout 41 has horizontal pole 42, horizontal pole 42 slides to being close to connecting axle 3 direction along keeping away from connecting axle 3 direction, the equal fixedly connected with second spring 43 of spout 41 position department is corresponded at horizontal pole 42 both ends, all second spring 43 all set up along spout 41 length directions, the equal fixed connection in backup pad 4 of horizontal pole 42 one end is kept away from to all second spring 43, horizontal pole 42 is close to connecting axle 3 under the second spring 43 natural state, spacing pole 3121 is close to connecting axle 3 one side can butt in horizontal pole 42 under the second spring 43 natural state. The cross rod 42 slides along the length direction of the sliding groove 41, when the inclined rod 312 rotates forwards, the second spring 43 is matched with the cross rod 42 to slide in the sliding groove 41, after the inclined rod 312 collides with the cross rod 42, the cross rod 42 gives way to the inclined rod 312 in the sliding groove 41, then the second spring 43 enables the cross rod 42 to reset, when the belt 13 slides reversely due to an accident, the belt 13 drives the friction roller 14 to rotate backwards, the friction roller 14 drives the inclined rod 312 to rotate backwards through the connecting shaft 3, when the belt 13 rotates backwards to cause the inclined rod 312 to rotate backwards to hook the cross rod 42, the limiting block 311 abuts against the inclined rod 312, the limiting block 311 enables the inclined rod 312 to keep an inclined angle until the cross rod 42 is pulled out, and the probability that the first spring 3122 fails due to overlarge pulling force between the inclined rod 312 and the cross rod 42 is reduced.

Referring to fig. 4 and 5, first support 1 is close to drive roll 11 one end fixedly connected with second support 5, second support 5 top fixedly connected with mounting panel 51, mounting panel 51 is close to drive roll 11 position department and is provided with brake assembly 6, brake assembly 6 includes a plurality of slide bars 61 of sliding connection in mounting panel 51, all slide bars 61 slide to being close to drive roll 11 direction by keeping away from drive roll 11 direction, all slide bars 61 are close to the common fixedly connected with curved brake block 62 of drive roll 11 position department, brake block 62 can butt in belt 13 corresponds drive roll 11 position department, brake block 62 is close to a plurality of clutch blocks 621 of drive roll 11 one side fixedly connected with, the logical groove 622 that ventilates has been seted up to position department between the clutch block 621 that brake block 62 corresponds each other and is close to. All the slide bars 61 are sleeved with third springs 623, one ends of all the third springs 623 are fixedly connected to one side, close to the driving roller 11, of the mounting plate 51, the other ends of all the third springs 623 are fixedly connected to one side, close to the mounting plate 51, of the brake plate 62, and the brake plate 62 abuts against the belt 13 under the natural state of the third springs 623. The third spring 623 pushes the brake plate 62 to abut against the position of the belt 13 corresponding to the driving roller 11, the brake plate 62 rubs against the belt 13 under the pushing force of the third spring 623, and the brake plate 62 gradually consumes the kinetic energy of the belt 13 to stop the movement of the belt 13. When the brake plate 62 abuts against the belt 13, the friction block 621 presses the belt 13, and the friction block 621 increases the friction force between the brake plate 62 and the belt 13, thereby improving the braking performance of the brake plate 62 and shortening the time for braking the belt 13. The ventilation through groove 622 keeps smooth airflow between the belt 13 and the braking plate 62 in the braking process of the braking plate 62 rubbing the belt 13, reduces the temperature at the mutual friction position of the braking plate 62 and the belt 13, and reduces the occurrence of brake failure caused by the deformation and melting of the belt 13 due to high temperature.

Referring to fig. 4, a plurality of guide sleeves 511 are fixedly connected to the mounting plate 51 at positions corresponding to the brake pads 62, all the guide sleeves 511 are arranged parallel to the sliding rod 61, guide rods 5111 are fixedly connected to the positions of the brake pads 62 corresponding to the guide sleeves 511, the guide rods 5111 are slidably connected in the guide sleeves 511, and the guide rods 5111 slide along the length direction of the sliding rod 61. The guide sleeve 511 limits the movement of the guide rod 5111, so that the guide rod 5111 drives the braking vane 62 to move stably, thereby improving the stability of braking action.

Referring to fig. 4 and 6, the mounting plate 51 is provided with a latch assembly 7 corresponding to the position of the braking vane 62, the latch assembly 7 includes a first positioning plate 71 fixedly connected to the mounting plate 51 near one side of the braking vane 62, the braking vane 62 is fixedly connected to a second positioning plate 72 corresponding to the position of the first positioning plate 71, a first positioning hole 711 is formed in one end of the first positioning plate 71 near the second positioning plate 72, a second positioning hole 721 is formed in the position of the second positioning plate 72 corresponding to the first positioning hole 711, an insertion rod 73 is jointly inserted into the first positioning hole 711 and the second positioning hole 721, a braking steel wire 74 is fixedly connected to the cross rod 42, a guide wheel 75 is rotatably connected to the position of the second bracket 5 near the insertion rod 73, the guiding wheel 75 is sleeved with the braking steel wire 74, and one end of the braking steel wire 74 far away from the cross rod 42 is fixedly connected to the insertion rod 73. When the belt 13 rotates reversely to hook the inclined rod 312 out of the cross rod 42, the cross rod 42 pulls the brake steel wire 74, the brake steel wire 74 is pulled out of the insertion rod 73 inserted in the first positioning plate 71 and the second positioning plate 72 after reversing through the guide wheel 75, and the insertion rod 73 is pulled out of the rear plug assembly 7 to release the brake plate 62.

Referring to fig. 4, the mounting plate 51 is rotatably connected with a winch 512, the winch 512 is fixedly connected with a steel cable 5121, and one end of the steel cable 5121 far away from the winch 512 is fixedly connected with the brake plate 62. After the brake assembly 6 stops the belt 13, a worker repairs the fault in time, then the winch 512 is rotated to pull the brake plate 62 back by using the steel cable 5121, and the worker restores the latch assembly 7 and the brake assembly 6 to a state to be triggered.

Referring to fig. 4, one side of the mounting plate 51, which is away from the braking vane 62, is hinged with a plurality of hydraulic dampers 513, and one ends of all the hydraulic dampers 513, which are away from the mounting plate 51, are hinged with one ends of the sliding rods 61, which are away from the braking vane 62. When the brake plate 62 is popped up by the third spring 623, the hydraulic damper 513 reduces the explosive force of the third spring 623, so that the brake plate 62 gradually contacts and rubs with the belt 13, and the probability that the brake plate 62 violently impacts the belt 13 to cause the belt 13 to be locked to cause tearing or deviation is reduced.

The implementation principle of this application embodiment grit conveyer belt does: when the belt 13 rotates forward, the inclined rod 312 hits the cross rod 42 and then yields by means of the first spring 3122.

When the belt 13 slides reversely due to an accident, the belt 13 drives the friction roller 14 to rotate reversely, the friction roller 14 drives the inclined rod 312 to rotate reversely through the connecting shaft 3, the inclined rod 312 hooks the cross rod 42 after rotating reversely, the cross rod 42 pulls the brake steel wire 74, the brake steel wire 74 pulls the inserting rod 73 inserted in the first positioning plate 71 and the second positioning plate 72 after reversing through the guide wheel 75, and the inserting rod 73 pulls the inserting rod assembly 7 to release the brake plate 62.

When the belt 13 reversely rotates to trigger the latch assembly 7, the third spring 623 pushes the braking plate 62 to abut against the position of the belt 13 corresponding to the driving roller 11, the braking plate 62 rubs against the belt 13 under the pushing force of the third spring 623, and the braking plate 62 gradually consumes the kinetic energy of the belt 13 to stop the movement of the belt 13. When brake block 62 butt belt 13, friction block 621 extrudees belt 13, friction block 621 increases the frictional force between brake block 62 and the belt 13, improve brake block 62's braking performance, shorten the time that belt 13 was braked and stopped, ventilation through groove 622 keeps the air current unobstructed between belt 13 and the brake block 62 at the in-process that brake block 62 friction belt 13 braked, reduce the temperature of brake block 62 and the mutual friction position department of belt 13, thereby it melts to reduce high temperature messenger belt 13 deformation and leads to the condition emergence of brake inefficacy.

After the brake assembly 6 stops the belt 13, a worker repairs the fault in time, then the winch 512 is rotated to pull the brake plate 62 back by using the steel cable 5121, and the worker restores the latch assembly 7 and the brake assembly 6 to a state to be triggered.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A grit conveyer belt, includes first support (1), its characterized in that: one end of a first support (1) is rotatably connected with a driving roller (11), one end of the first support (1), which is far away from the driving roller (11), is rotatably connected with a driven roller (12), the driving roller (11) and the driven roller (12) are arranged in parallel, the driving roller (11) is lower than the driven roller (12), the driving roller (11) and the driven roller (12) are jointly sleeved with a belt (13), the position, which is close to the driving roller (11), of the first support (1) is rotatably connected with a friction roller (14), the friction roller (14) is abutted to the lower surface of the belt (13), one end of the friction roller (14) is fixedly connected with a connecting shaft (3), the connecting shaft (3) and the friction roller (14) are coaxially arranged, a cylindrical surface of the connecting shaft (3) is fixedly connected with a connecting sheet (31), the connecting sheet (31) is hinged with an inclined rod (312), the surface of the connecting shaft (3) is fixedly connected with a first spring (3122), the other end of the first spring (3122) is fixedly connected to one side, which is close to the inclined rod (312), the inclined rod (312) inclines along the opposite direction of rotation of the friction roller (14) under the natural state of the first spring (3122), a cross rod (42) is arranged at the position of the first support (1) close to the connecting shaft (3), the inclined rod (312) can abut against the cross rod (42), a brake component (6) for stopping the belt (13) is arranged at the position of the first support (1) close to the driving roller (11), and a bolt component (7) for triggering the brake component (6) is arranged at one side of the cross rod (42) close to the brake component (6).

2. A sand conveyor belt according to claim 1, wherein: the connecting piece (31) is close to the hinged position of the diagonal rod (312) and is fixedly connected with a limiting block (311), and the limiting block (311) can abut against the position, close to the limiting block (311), of the diagonal rod (312).

3. A sand conveyor belt according to claim 1, wherein: the position of the inclined rod (312), which is far away from the connecting shaft (3), is fixedly connected with a limiting rod (3121), and the limiting rod (3121) can abut against the cross rod (42).

4. A sand conveyor belt according to claim 1, wherein: first support (1) is close to connecting axle (3) position department fixedly connected with two backup pads (4), two backup pads (4) are located connecting axle (3) and keep away from driven voller (12) one side, spout (41) that are parallel to each other are all seted up in two backup pads (4), all spout (41) length direction equal perpendicular connecting axle (3) set up, two spout (41) are dredged through two backup pads (4) by being close to connecting axle (3) one end, horizontal pole (42) sliding connection is in two spout (41), horizontal pole (42) are followed and are kept away from connecting axle (3) direction and to being close to connecting axle (3) direction slip, horizontal pole (42) both ends correspond spout (41) position department and all fixedly connected with second spring (43), all second spring (43) all set up along spout (41) length direction, all second spring (43) are kept away from horizontal pole (42) one end and all fixedly connected in backup pad (4), the cross rod (42) is close to the connecting shaft (3) in the natural state of the second spring (43), and one side, close to the connecting shaft (3), of the limiting rod (3121) in the natural state of the second spring (43) can be abutted to the cross rod (42).

5. A sand conveyor belt according to claim 1, wherein: the first support (1) is close to one end of a driving roller (11) and is fixedly connected with a second support (5), the top of the second support (5) is fixedly connected with a mounting plate (51), a brake component (6) is connected to the position, close to the driving roller (11), of the mounting plate (51), the brake component (6) comprises a plurality of sliding rods (61) which are connected to the mounting plate (51) in a sliding mode, all the sliding rods (61) slide towards the direction close to the driving roller (11) from the direction away from the driving roller (11), all the sliding rods (61) are fixedly connected with an arc-shaped brake plate (62) together close to the position of the driving roller (11), the brake plate (62) can abut against the belt (13) corresponding to the position of the driving roller (11), all the sliding rods (61) are sleeved with third springs (623), one ends of all the third springs (623) are fixedly connected to one side, close to the driving roller (11), of the mounting plate (51), the other ends of all the third springs (623) are fixedly connected to one side, close to the mounting plate (51), of the brake plate (62), and the brake plate (62) abuts against the belt (13) in a natural state of the third springs (623).

6. A sand conveyor belt according to claim 5, wherein: and one side of the brake plate (62) close to the driving roller (11) is fixedly connected with a plurality of friction blocks (621).

7. A sand conveyor belt according to claim 5, wherein: and a ventilation through groove (622) is formed in the position, corresponding to the position between the friction blocks (621) which are close to each other, of the brake plate (62).

8. A sand conveyor belt according to claim 5, wherein: the bolt component (7) is arranged at the position of the mounting plate (51) corresponding to the brake plate (62), the bolt component (7) comprises a first positioning plate (71) fixedly connected to one side of the mounting plate (51) close to the brake plate (62), the position of the brake plate (62) corresponding to the first positioning plate (71) is fixedly connected with a second positioning plate (72), one end of the first positioning plate (71) close to the second positioning plate (72) is provided with a first positioning hole (711), the position of the second positioning plate (72) corresponding to the first positioning hole (711) is provided with a second positioning hole (721), the first positioning hole (711) and the second positioning hole (721) are jointly inserted with an insertion rod (73), the cross rod (42) is fixedly connected with a brake steel wire (74), the position of the second support (5) close to the insertion rod (73) is rotatably connected with a guide wheel (75), and the brake steel wire (74) is sleeved on the guide wheel (75), one end of the brake steel wire (74) far away from the cross rod (42) is fixedly connected with the inserted rod (73).

9. A sand conveyor belt according to claim 5, wherein: mounting panel (51) rotate and are connected with capstan winch (512), and capstan winch (512) fixedly connected with steel cable (5121), and capstan winch (512) one end fixed connection is kept away from in brake block (62) in steel cable (5121).

10. A sand conveyor belt according to claim 5, wherein: one side, away from brake block (62), of mounting plate (51) is hinged with a plurality of hydraulic dampers (513), and one ends, away from mounting plate (51), of all hydraulic dampers (513) are hinged to one end, away from brake block (62), of slide rod (61).