CN213894068U

CN213894068U - Conveyer belt straining device

Info

Publication number: CN213894068U
Application number: CN202022808923.3U
Authority: CN
Inventors: 张志有
Original assignee: Tangshan Youshun Concrete Co ltd
Current assignee: Tangshan Youshun Concrete Co ltd
Priority date: 2020-11-28
Filing date: 2020-11-28
Publication date: 2021-08-06
Anticipated expiration: 2030-11-28

Abstract

The application relates to the field of auxiliary equipment of conveyor belts, in particular to a conveyor belt tensioning device, which solves the problem that the process of replacing heavy objects is relatively troublesome in the prior art, which comprises a conveyor belt, wherein the conveyor belt comprises a bearing frame and a conveyor belt, driving rollers are arranged at two ends of the bearing frame, the conveying belt is sleeved outside the driving roller, a tensioning roller is arranged below the bearing frame, the conveying belt bypasses from the lower part of the tensioning roller, the weight box which can conveniently adjust the tensile force applied to the tensioning roller is connected below the tensioning roller and comprises an upper shell and a lower shell, a weight is placed in the lower shell, a counterweight liquid is arranged in the upper shell, a water outlet pipe for the counterweight liquid to flow out is arranged on the upper shell, be provided with the solenoid valve on the outlet pipe, this application has the effect that makes the heavy object change process in the weight box more convenient.

Description

Conveyer belt straining device

Technical Field

The application relates to a conveyer belt auxiliary assembly field especially relates to a conveyer belt straining device.

Background

In the 17 th century, the united states began using aerial cableways to transport bulk materials; in the middle of the 19 th century, various modern-structured belt conveyors have been developed in succession. In 1868, belt conveyor conveyors emerged in the uk; in 1887, screw conveyors appeared in the united states; in 1905, steel belt conveyors appeared in switzerland; in 1906, inertial conveyors appeared in uk and germany. After that, the conveyor belt is influenced by the technical progress of mechanical manufacturing, motors, chemical industry and metallurgical industry, is continuously perfect, gradually develops from the completion of the conveying inside a workshop to the completion of the material handling inside an enterprise, between enterprises and even between cities, and becomes an indispensable component part of the mechanization and automation of a material handling system.

In the prior art, publication No. CN209112951U discloses a conveyor belt tensioning device, which includes a conveyor belt body, wherein the conveyor belt body includes a bearing frame, a conveyor belt rotatably connected to a driving roller and sleeved outside the driving roller, and further includes a first auxiliary roller and a second auxiliary roller rotatably connected to the bearing frame, a support arranged below the conveyor belt, and a tensioning roller arranged on the support; the conveyer belt walks around drive roller, first auxiliary roller, strainer roller and second auxiliary roller in proper order, is provided with sliding connection on the support connecting piece, and the strainer roller both ends are rotated and are connected on the connecting piece, are provided with the weight box that is used for stabilizing strainer roller taut state on the connecting piece, offer the switch door that is used for adding the establishment and takes out the heavy object on the weight box.

Aiming at the related technology, the weight box can stabilize the tensioning state of the tensioning roller, and the inventor thinks that the defect that when materials on a conveying belt are replaced, different heavy objects need to be placed in the weight box, and the replacement process is relatively troublesome due to the heavy objects.

SUMMERY OF THE UTILITY MODEL

In order to make the process of changing heavy objects in the weight box easier, the application provides a conveyor belt tensioning device.

The application provides a conveyer belt straining device adopts following technical scheme:

the utility model provides a conveyer belt straining device, its includes the conveyer belt, the conveyer belt is including bearing frame and conveyer belt, the both ends that bear the frame all are provided with the drive roller, the drive roller outside is located to the conveyer belt cover, it is provided with the straining roller to bear the frame below, the conveyer belt is walked around from the straining roller below, the straining roller below is connected with the weight box that can conveniently adjust the tensile size that the straining roller receives, the weight box includes casing and lower casing, place the heavy object in the lower casing, be provided with counter weight liquid in the upper casing, be provided with the outlet pipe that can supply counter weight liquid to flow on the upper casing, be provided with the solenoid valve of control counter weight liquid flow on the outlet pipe.

Through adopting above-mentioned technical scheme, when the conveyer belt carried the material of different masses, can adjust the internal heavy object of inferior valve, then adjust the volume of the counter weight liquid in the upper casing through the solenoid valve, make the gravity of weight box moderate to the weight box is applyed gravity for the take-up roller, avoids changing the process to the heavy object more troublesome, improves the work efficiency of the transport of conveyer belt.

Optionally, a water service pipe is arranged on the side surface of the upper shell and communicated with the inside of the upper shell, an electromagnetic valve is arranged on the water service pipe, and one end, far away from the upper shell, of the water service pipe is connected with a water inlet assembly.

Through adopting above-mentioned technical scheme, when the pulling force that the straining roller needs to be pulled down is great, the internal heavy object of inferior valve, when taut more difficult to the conveyer belt, operating personnel can open the solenoid valve on the water service pipe, closes the solenoid valve on the outlet pipe, and the subassembly of intaking can beat counter weight liquid into inside the upper housing through the water service pipe to can increase the pulling force of weight box pulling straining roller downwards, thereby can avoid lifting the heavy object to the weight box in, the heavier problem of heavy object improves work efficiency.

Optionally, a water level gauge for observing the level of the counter weight liquid in the upper shell is arranged on the side surface of the upper shell.

Through adopting above-mentioned technical scheme, the fluviograph can make the clear volume of the counter weight liquid of observing in the upper casing of operation workman to can improve the gravity of the internal heavy object of inferior valve earlier, let in counter weight liquid in to the upper casing, adjust the gravity of weight box, thereby realize the smooth transmission of conveyer belt.

Optionally, the lower casing is provided with a movable door for placing or taking out a heavy object.

Through adopting above-mentioned technical scheme, the dodge gate can avoid the heavy object to fall and have certain potential safety hazard, improves the safety and stability of casing down.

Optionally, baffles for preventing the materials from falling from the two sides of the conveying belt are fixedly arranged on the two sides of the conveying belt in the length direction.

Through adopting above-mentioned technical scheme, the baffle can avoid the conveyer belt at the transported substance in-process, and in the conveyer belt transportation process, the material can be carried to the conveyer belt both sides along with the conveyer belt, falls to bearing the frame below, causes certain potential safety hazard, and the baffle can improve the transport efficiency of material.

Optionally, one end of the baffle, which is far away from the bearing frame, is fixedly provided with a flashing.

Through adopting above-mentioned technical scheme, can be outdoor use in using conveyer belt conveying process, the material is carried to the part, can go bad after being drenched by the rain, causes the condition that the method was not used, and the flashing can improve the effect of the quality of material.

Optionally, a support is fixedly arranged below the bearing frame, one end, far away from the conveying belt, of the support is placed on the ground, a limiting rod is fixedly arranged on the support, the length direction of the limiting rod is parallel to the length direction of the support, and a sliding block which is connected with the limiting rod in a sliding mode is arranged on one surface, facing the support, of the weight box.

Through adopting above-mentioned technical scheme, weight box and restriction lever sliding connection avoid the conveyer belt in transportation process weight box probably to exist and rock along with the conveyer belt, unstable phenomenon, and weight box and restriction lever sliding connection can improve the stability of conveyer belt.

Optionally, both ends of the limiting rod are provided with limiting blocks.

Through adopting above-mentioned technical scheme, the gliding scope of weight box on the restriction pole can be restricted to the restriction piece, and the gliding roll-off restriction pole of sliding block when avoiding along restriction pole length direction to slide.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the conveyer belt conveys materials with different masses, the weight in the lower shell can be adjusted, and then the amount of the counterweight liquid in the upper shell is adjusted through the electromagnetic valve, so that the gravity of the weight box is moderate, the weight box applies the gravity to the tensioning roller, the trouble in the process of replacing the weight is avoided, and the conveying work efficiency of the conveyer belt is improved;

2. the baffle can prevent materials from being conveyed to the two sides of the conveying belt along with the conveying belt and falling below the bearing frame in the conveying process of the conveying belt, so that certain potential safety hazards are caused, and the conveying efficiency of the materials can be improved;

3. the weight box is connected with the limiting rod in a sliding mode, the phenomenon that the conveyer belt shakes and is unstable along with the conveyer belt in the conveying process is avoided, and the weight box is connected with the limiting rod in a sliding mode, so that the stability of the conveyer belt can be improved.

Drawings

FIG. 1 is a schematic structural view of a belt tensioner;

FIG. 2 is a cross-sectional view of a belt tensioner;

FIG. 3 is an enlarged partial view of the belt tensioner at A;

fig. 4 is an exploded view of the tensioning device.

Description of reference numerals: 1. a conveyor belt; 11. a carrier; 111. a baffle plate; 112. a flashing; 113. a first driven roller; 114. a second driven roller; 12. a conveyor belt; 13. a drive roller; 2. a tensioning device; 21. a take-up roll; 22. a weight box; 221. a fixing member; 2211. a fixing hole; 222. a slider; 2221. a slide hole; 23. an upper housing; 231. a water pipe; 232. an electromagnetic valve; 233. a water intake assembly; 234. a water outlet pipe; 235. a water outlet assembly; 236. a water level gauge; 24. a lower housing; 241. a movable door; 3. a support; 31. a restraining bar; 32. and limiting the block.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses conveyer belt straining device.

Referring to fig. 1, a conveyor belt tensioning device comprises a conveyor belt 1, the conveyor belt 1 comprising a carrier 11 and a conveyor belt 12.

Referring to fig. 2, driving rollers 13 are disposed at both ends of the carrier 11 in the longitudinal direction, the carrier 11 is disposed obliquely, the conveying belt 12 is sleeved on the side walls of the driving rollers 13, and the conveying belt 12 is conveyed from the driving roller 13 at the lower end to the driving roller 13 at the higher end.

Referring to fig. 1, baffles 111 are fixedly arranged on both sides of the length direction of the upper end surface of the loading frame 11, and the length of the baffles 111 is equal to that of the loading frame 11.

The end of the apron 111 remote from the carrier 11 is provided with a flashing 112 for preventing material conveyed on the conveyor belt 12 from getting wet.

Referring to fig. 2, the lower end surface of the loading frame 11 is further provided with a first driven roller 113 and a second driven roller 114 in a hinged manner, and the length directions of the first driven roller 113 and the second driven roller 114 are perpendicular to the length direction of the loading frame 11. The conveying belt 12 passes over the first driven roller 113 and the second driven roller 114, and then passes out of the gap between the first driven roller 113 and the second driven roller 114.

A tensioning device 2 is arranged below the carriage 11, the tensioning device 2 comprising a tensioning roller 21, the conveyor belt 12 passing around below the tensioning roller 21.

Referring to fig. 3, a weight box 22 is provided below the tension roller 21, and fixing members 221 are provided at both longitudinal ends of an upper end surface of the weight box 22.

Referring to fig. 4, one end of the fixing member 221, which is away from the weight box 22, is provided with a fixing hole 2211, the axes of the two fixing holes 2211 coincide, two ends of the take-up roller 21 respectively penetrate through the two fixing holes 2211, and the two fixing members 221 are hinged to the take-up roller 21.

A plurality of sliding blocks 222 are fixedly arranged on one side surface of the weight box 22 perpendicular to the side surface of the fixing member 221, a sliding hole 2221 is formed in each sliding block 222, and the axial direction of each sliding hole 2221 is parallel to the height direction of the weight box 22. The number of the sliding blocks 222 is four, and the sliding blocks are divided into two groups along the length direction of the side surface, and each group is uniformly distributed along the width direction of the side surface.

Referring to fig. 2, a support 3 is fixedly arranged below the carrier 11, and one end of the support 3 away from the carrier 11 is fixed and vertically arranged on the ground.

Referring to fig. 4, two parallel limiting rods 31 are disposed on one side of the bracket 3 facing the weight box 22, the length direction of the limiting rods 31 is parallel to the length direction of the bracket 3, each limiting rod 31 penetrates through the upper and lower sliding holes 2221, and the two ends of the limiting rod 31 are fixedly provided with limiting blocks 32 for limiting the sliding blocks 222 to slide out of the limiting rods 31.

Referring to fig. 3, the weight box 22 includes an upper casing 23 and a lower casing 24, the lower casing 24 is fixedly disposed below the upper casing 23, and a side of the lower casing 24 away from the support 3 is provided with a movable door 241 for placing or taking out a heavy object.

A water pipe 231 is fixedly arranged on one side surface of the upper shell 23 perpendicular to the side surface of the movable door 241, the water pipe 231 is communicated with the inside of the upper shell 23, an electromagnetic valve 232 is arranged on the water pipe 231, one end of the water pipe 231, which is far away from the upper shell 23, is connected with a water inlet component 233, and the water inlet component 233 is communicated with the counterweight liquid.

An outlet pipe 234 for the counterweight liquid to flow out is further arranged on the upper shell 23, an electromagnetic valve 232 is also mounted on the outlet pipe 234, and one end of the outlet pipe 234, which is far away from the upper shell 23, is connected with an outlet assembly 235.

A water level gauge 236 is fixedly arranged on the side surface of the upper shell 23 far away from the bracket 3, the length direction of the water level gauge 236 is parallel to the height direction of the weight box 22, and two ends of the water level gauge 236 are communicated with the inside of the upper shell 23 and are used for observing the change of the water level in the upper shell 23.

The implementation principle of the conveyor belt tensioning device in the embodiment of the application is as follows:

first, an appropriate amount of weight is added to the lower case 24. In the process of replacing the materials on the conveyor belt 12, when the gravity of the weight box 22 body needs to be increased to enable the conveyor belt 12 to continue conveying, the electromagnetic valve 232 on the water outlet pipe 234 can be closed first, the electromagnetic valve 232 on the water service pipe 231 is opened, the weight liquid is introduced into the upper shell 23, the change of the weight liquid in the upper shell 23 is observed through the water level gauge 236, and the electromagnetic valve 232 on the water service pipe 231 is closed.

When the weight fluid in the upper housing 23 fills the upper housing 23 and the weight box 22 has not reached the proper weight, the movable door 241 may be opened, a certain amount of weight may be added to the lower housing 24, the solenoid valve 232 on the water outlet pipe 234 may be opened to discharge a portion of the weight fluid in the upper housing 23, so that the weight box 22 reaches the proper weight, and then the weight force may be applied to the tension roller 21.

When it is desired to reduce the weight of the weight box 22 pulling downward, the solenoid valve 232 on the outlet pipe 234 may be opened to release a portion of the weight fluid in the upper housing 23 to achieve the desired weight for the weight box 22.

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. The utility model provides a conveyor belt tensioning device, its includes conveyer belt (1), conveyer belt (1) is including bearing frame (11) and conveyer belt (12), the both ends of bearing frame (11) all are provided with drive roller (13), the drive roller (13) outside is located to conveyer belt (1) cover, bearing frame (11) below is provided with straining roller (21), conveyer belt (12) are walked around from straining roller (21) below, its characterized in that: the tensioning roller (21) is connected with a weight box (22) capable of conveniently adjusting the tension of the tensioning roller (21), the weight box (22) comprises an upper shell (23) and a lower shell (24), a heavy object is placed in the lower shell (24), counterweight liquid is arranged in the upper shell (23), a water outlet pipe (234) capable of allowing the counterweight liquid to flow out is arranged on the upper shell (23), and an electromagnetic valve (232) for controlling the counterweight liquid to flow is arranged on the water outlet pipe (234).

2. A belt tensioner as claimed in claim 1, wherein: go up casing (23) side and be provided with water service pipe (231) and go up casing (23) inside and link up, set up solenoid valve (232) on water service pipe (231), the one end that upper housing (23) was kept away from in water service pipe (231) is connected with into water subassembly (233).

3. A belt tensioner as claimed in claim 2, wherein: and a water level gauge (236) for observing the height of the water level of the counterweight liquid in the upper shell (23) is arranged on the side surface of the upper shell (23).

4. A belt tensioner as claimed in claim 1, wherein: the lower shell (24) is provided with a movable door (241) for placing or taking out heavy objects.

5. A belt tensioner as claimed in claim 1, wherein: and baffles (111) for blocking the materials from falling from the two sides of the conveying belt (12) are fixedly arranged on the two sides of the conveying belt (12) in the length direction.

6. A belt tensioner as claimed in claim 5, wherein: and one end of the baffle (111) far away from the bearing frame (11) is fixedly provided with a rain shielding plate (112).

7. A belt tensioner as claimed in claim 1, wherein: bear fixed support (3) that is provided with in frame (11) below, the one end that conveyer belt (1) was kept away from in support (3) is placed subaerially, the fixed restriction pole (31) that is provided with on support (3), restriction pole (31) length direction is parallel with support (3) length side, weight box (22) are provided with slider (222) with restriction pole (31) sliding connection towards the one side of support (3).

8. A belt tensioner as claimed in claim 7, wherein: and limiting blocks (32) are arranged at two ends of the limiting rod (31).