CN112093417A

CN112093417A - Belt conveyor speed adjusting device for coal mine

Info

Publication number: CN112093417A
Application number: CN202011160002.9A
Authority: CN
Inventors: 朱仁保
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2020-12-18

Abstract

The invention relates to the technical field of coal mining use devices, and discloses a speed regulating device of a belt conveyor for a coal mine, which comprises a support frame, wherein the outside of the support frame is fixedly connected with a protective shell, the inside of the protective shell is movably connected with a transmission shaft, the outside of the transmission shaft is fixedly connected with a roller, the outside of the roller is movably connected with a conveying belt, the outside of the transmission shaft is fixedly connected with a limiting disc, the inside of the limiting disc is fixedly connected with an N pole, the inside of the limiting disc is fixedly connected with an S pole, and the inside of the limiting disc is movably; through the interaction between the support frame, the protective housing, the transmission shaft, the roller, the conveyer belt, the electric wire, the connecting rod, the baffle, the movable block, the electrorheological body and the spring II, the running speed of the belt conveyor can not generate any influence on the normal use of the belt conveyor at the normal working speed, the normal use of the belt conveyor is prevented from being influenced by the use of the speed regulating device, and therefore the whole conveying system for coal mining is influenced.

Description

Belt conveyor speed adjusting device for coal mine

Technical Field

The invention relates to the technical field of coal mining devices, in particular to a speed regulating device of a belt conveyor for a coal mine.

Background

The belt conveyor for the coal mine mainly refers to a belt conveyor used in the coal mining, production, transportation and processing processes, and has the characteristics of large transportation capacity, complex working environment, strong bearing capacity, long transportation distance and the like.

At present, generally, a plurality of horizontal or inclined conveying systems are formed or formed by other conveying equipment in reality to meet the requirements of operating lines in different arrangement forms, but when the belt conveyor operates, the motor drives the equipment to operate at a set speed, the operation time of the equipment is long, the motor operates for a long time or the rotating shaft speed of the motor exceeds the normal operation speed due to circuit problems, so that the speed of the belt conveyor is different from the speed of other equipment, coal mines can be accumulated at the connection position of the two equipment, the operation of the whole conveying system is influenced, meanwhile, the conveying equipment can be damaged, the cost of operators is increased, and the process of coal mining is influenced.

Therefore, in order to solve the problems, a speed regulating device of the belt conveyor for the coal mine is needed.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the speed regulating device of the belt conveyor for the coal mine, which has the advantages of avoiding the influence of the speed of the belt conveyor exceeding the normal working speed on the whole conveying system, avoiding the damage of conveying equipment and avoiding the increase of the cost of an operator, and solves the problems that the speed of the belt conveyor exceeds the normal working speed, so the equipment is damaged and the whole conveying system is influenced.

(II) technical scheme

In order to achieve the purposes of avoiding the influence of the speed of the belt conveyor exceeding the normal working speed on the whole conveying system, avoiding the damage of conveying equipment and avoiding the increase of the cost of an operator, the invention provides the following technical scheme: the utility model provides a band conveyer speed adjusting device for coal mine, which comprises a supporting fram, the outside fixedly connected with protective housing of support frame, the inside swing joint of protective housing has the transmission shaft, the outside fixedly connected with cylinder of transmission shaft, the outside swing joint of cylinder has the conveyer belt, the spacing dish of outside fixedly connected with of transmission shaft, the inside fixedly connected with N of spacing dish is utmost point, the inside fixedly connected with S of spacing dish is utmost point, the inside swing joint of spacing dish has the connecting rod, the inside fixedly connected with casing of spacing dish, the inside of casing is provided with the current variant, the inboard swing joint of casing has the baffle, the inboard fixedly connected with spring two of casing, the inside swing joint of casing has the movable block, the inside fixedly connected with electric wire of spacing dish, the inboard fixedly connected with shell of protective housing.

Preferably, the inside fixedly connected with of casing leads electrical pillar, and the quantity that leads electrical pillar inside a casing is two, connects through the electric wire between the electrical pillar of two adjacent casings.

Preferably, the specification phase-match of the utmost point of N and the specification phase-match of the utmost point of S, the inside fixedly connected with bar copper of connecting rod, the specification phase-match of bar copper and the utmost point of N, the utmost point of S, the one end fixedly connected with balancing weight that the bar copper was kept away from to the connecting rod, the balancing weight is made by insulating material, the one end fixedly connected with spring one that the connecting rod is close to the bar copper, the one end fixed connection of spring one keeping away from the connecting rod is in the inside of spacing dish.

Preferably, the shell is not less than five and is distributed in the limiting disc at equal angles, and the number of the movable blocks is the same as that of the shell.

Preferably, the main materials of the electrorheological body are gypsum, lime, carbon powder and olive oil, the electrorheological body is in a solid state under an electrified state with a specified current amount and in a liquid state under a non-electrified state, two baffle plates are symmetrically distributed in the shell, a spring III is fixedly connected to the outer part of each baffle plate, one end, far away from each baffle plate, of the spring III is fixedly connected to the inner part of the shell, and the movable block is movably connected to the inner part of the electrorheological body.

Preferably, the movable block is made by insulating material, and the one end fixed connection that the casing was kept away from to spring two is in the inside of movable block, and the specification phase-match of fixed block and movable block and position are corresponding, and band conveyer normal during operation, the centrifugal force of balancing weight is less than the elasticity of spring one, and when band conveyer's speed exceeded normal operating speed, the centrifugal force of balancing weight can increase and be greater than the elasticity of spring one.

Preferably, the outside fixedly connected with motor of transmission shaft, motor, lead electrical pillar and all be connected with external power source electricity, bar copper, external power source all are connected with the control maincenter electricity.

(III) advantageous effects

Compared with the prior art, the invention provides a speed regulating device of a belt conveyor for a coal mine, which has the following beneficial effects:

1. this band conveyer speed adjusting device for coal mine through the interaction between support frame, protective housing, transmission shaft, cylinder, conveyer belt, electric wire, connecting rod, baffle, movable block, electrorheological body and the spring two, can be so that band conveyer's functioning speed can not produce any influence to band conveyer's normal use when normal operating speed, has avoided speed adjusting device's use to influence band conveyer's normal use to influence the whole conveying system of coal mining.

2. This band conveyer speed adjusting device for coal mine, through interact between all structures, can surpass the rotation of normal operating speed at band conveyer's functioning speed and restrict transmission shaft when, make the rotational speed of transmission shaft reduce gradually, avoided band conveyer because the functioning speed becomes fast to cause the colliery to pile up in two equipment junctions, and then influence whole conveying system's operation, avoid band conveyer functioning speed too fast to cause conveying equipment impaired simultaneously, make operator's cost increase, influence the process of coal mining.

Drawings

FIG. 1 is a schematic view of the connection among the supporting frame, the protective shell, the transmission shaft, the roller, the conveyer belt and the housing of the present invention;

FIG. 2 is a schematic partial cross-sectional view of the present invention;

FIG. 3 is a schematic view of a portion of the structure of FIG. 2 according to the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 3 according to the present invention;

FIG. 5 is an enlarged view of the position B in FIG. 3 according to the present invention.

In the figure: 1. a support frame; 2. a protective shell; 3. a drive shaft; 4. a drum; 5. a conveyor belt; 6. a limiting disc; 7. an N pole; 8. an S pole; 9. a connecting rod; 10. a housing; 11. an electrorheological fluid; 12. a baffle plate; 13. a second spring; 14. a movable block; 15. an electric wire; 16. a housing; 17. and (5) fixing blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a speed adjusting device of a belt conveyor for a coal mine comprises a support frame 1, a protective shell 2 is fixedly connected to the outside of the support frame 1, a transmission shaft 3 is movably connected to the inside of the protective shell 2, and a motor is fixedly connected to the outside of the transmission shaft 3; the outside fixedly connected with cylinder 4 of transmission shaft 3, the outside swing joint of cylinder 4 has conveyer belt 5, the spacing dish of outside fixedly connected with 6 of transmission shaft 3, the inside fixedly connected with N utmost point 7 of spacing dish 6, the specification of N utmost point 7 and the specification phase-match of S utmost point 8, the inside fixedly connected with bar copper of connecting rod 9, the specification and the N utmost point 7 of bar copper, the specification phase-match of S utmost point 8, the one end fixedly connected with balancing weight of bar copper is kept away from to connecting rod 9, the balancing weight is made by insulating material, one end fixedly connected with spring one that connecting rod 9 is close to the bar copper, one end fixed connection that connecting rod 9 was kept away from to spring one is in the inside.

The inside of the limiting disc 6 is fixedly connected with an S pole 8, the inside of the limiting disc 6 is movably connected with a connecting rod 9, the inside of the limiting disc 6 is fixedly connected with a shell 10, the inside of the shell 10 is fixedly connected with two conductive columns, the number of the conductive columns in one shell 10 is two, and the conductive columns of two adjacent shells 10 are connected through an electric wire 15; the number of the shells 10 is not less than five, the shells are distributed in the limiting disc 6 at equal angles, and the number of the movable blocks 14 is the same as that of the shells 10; an electroform 11 is arranged in the shell 10, the main materials of the electroform 11 are gypsum, lime, carbon powder and olive oil, the electroform 11 is in a solid state in an electrified state with a specified current amount and is in a liquid state in a non-electrified state, two baffle plates 12 are symmetrically distributed in the shell 10, a spring III is fixedly connected to the outside of each baffle plate 12, one end of each spring III, far away from each baffle plate 12, is fixedly connected to the inside of the shell 10, and a movable block 14 is movably connected to the inside of the electroform 11; the inboard swing joint of casing 10 has baffle 12, two 13 of the inboard fixedly connected with springs of casing 10, the inside swing joint of casing 10 has movable block 14, movable block 14 is made by insulating material, the one end fixed connection that casing 10 was kept away from to spring two 13 is in the inside of movable block 14, fixed block 17 and movable block 14's specification phase-match and position are corresponding, band conveyer normal during operation, the centrifugal force of balancing weight is less than the elasticity of spring one, when band conveyer's speed surpassed normal operating speed, the centrifugal force of balancing weight can increase and be greater than the elasticity of spring one.

The electric wire 15 is fixedly connected inside the limiting disc 6, the shell 16 is fixedly connected on the inner side of the protective shell 2, the fixed block 17 is fixedly connected inside the shell 16, the motor and the conductive column are electrically connected with an external power supply, and the copper bar and the external power supply are electrically connected with the control center; through the interaction among the support frame 1, the protective shell 2, the transmission shaft 3, the roller 4, the conveyer belt 5, the electric wire 15, the connecting rod 9, the baffle plate 12, the movable block 14, the electrorheological body 11 and the second spring 13, the running speed of the belt conveyer can not generate any influence on the normal use of the belt conveyer at the normal working speed, and the influence on the normal use of the belt conveyer caused by the use of a speed regulating device is avoided, so that the whole conveying system of coal mining is influenced; through the interact between all structures, can surpass the normal operating speed at band conveyer's functioning speed and restrict transmission shaft 3's rotation, make transmission shaft 3's rotational speed reduce gradually, avoided band conveyer because the rotational speed is fast to cause the colliery to pile up in two equipment junctions, and then influence whole conveying system's operation, avoid band conveyer functioning speed too fast to cause conveying equipment impaired simultaneously, make operator's cost increase, influence the process of coal mining.

The working principle is that when the belt conveyor normally works, the control center controls an external power supply to supply power to the motor, the motor runs to drive the transmission shaft 3 to rotate, the transmission shaft 3 rotates to drive the roller 4 to rotate, the roller 4 rotates to drive the conveying belt 5 to move, the transmission shaft 3 rotates to drive the limiting disc 6 to rotate, the centrifugal force of the balancing weight is smaller than the elastic force of the first spring, the limiting disc 6 rotates to drive the movable block 14 to move, when the movable block 14 moves to be in contact with the fixed block 17, the movable block 14 moves to enable the second spring 13 to be compressed, the movable block 14 moves to extrude the electrorheological body 11 to enable the baffle 12 to move, and the baffle 12 moves.

When the speed of the belt conveyor exceeds the normal working speed, the transmission shaft 3 rotates to drive the limiting disc 6 to rotate, the centrifugal force of the balancing weight is larger than the elastic force of the first spring, the balancing weight moves to drive the connecting rod 9 to move, the first spring is compressed due to the movement of the connecting rod 9, the copper rod moves due to the movement of the connecting rod 9, the copper rod can cut a magnetic induction line between the N pole 7 and the S pole 8 and generate induction current, the control center can control an external power supply to supply power to the conductive pole, the conductive pole is electrified to enable the current variant 11 to be changed into a solid state, the second spring 13 cannot be compressed, when the movable block 14 moves to be in contact with the fixed block 17, the friction force between the movable block 14 and the fixed block 17 is increased, a certain resistance is generated on the rotation of.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a band conveyer speed adjusting device for coal mine, includes support frame (1), its characterized in that: the outer part of the support frame (1) is fixedly connected with a protective shell (2), the inner part of the protective shell (2) is movably connected with a transmission shaft (3), the outer part of the transmission shaft (3) is fixedly connected with a roller (4), the outer part of the roller (4) is movably connected with a conveyer belt (5), the outer part of the transmission shaft (3) is fixedly connected with a limiting disc (6), the inner part of the limiting disc (6) is fixedly connected with an N pole (7), the inner part of the limiting disc (6) is fixedly connected with an S pole (8), the inner part of the limiting disc (6) is movably connected with a connecting rod (9), the inner part of the limiting disc (6) is fixedly connected with a shell (10), the inner part of the shell (10) is provided with an electrorheological body (11), the inner side of the shell (10) is movably connected with a baffle (12), the inner side, the inside fixedly connected with electric wire (15) of spacing dish (6), inboard fixedly connected with shell (16) of protective housing (2), the inside fixedly connected with fixed block (17) of shell (16).

2. The coal mine belt conveyor speed regulating device according to claim 1, characterized in that: the internal fixed connection of casing (10) leads electrical pillar, and the quantity that leads electrical pillar inside one casing (10) is two, connects through electric wire (15) between the electrical pillar of two adjacent casings (10).

3. The coal mine belt conveyor speed regulating device according to claim 1, characterized in that: the specification phase-match of the specification of the N utmost point (7) and the specification phase-match of the S utmost point (8), the inside fixedly connected with bar copper of connecting rod (9), the specification phase-match of the specification and the N utmost point (7), the S utmost point (8) of bar copper, the one end fixedly connected with balancing weight of bar copper is kept away from in connecting rod (9), the balancing weight is made by insulating material, one end fixedly connected with spring one that connecting rod (9) are close to the bar copper, the inside at spacing dish (6) is kept away from to one end fixed connection of connecting rod (9) in spring one.

4. The coal mine belt conveyor speed regulating device according to claim 1, characterized in that: the shell (10) is not less than five and distributed in the limiting disc (6) at equal angles, and the number of the movable blocks (14) is the same as that of the shell (10).

5. The coal mine belt conveyor speed regulating device according to claim 1, characterized in that: the main materials of the electrorheological body (11) are gypsum, lime, carbon powder and olive oil, the electrorheological body (11) is in a solid state under an electrified state with a specified current amount and is in a liquid state under a non-electrified state, two baffle plates (12) are symmetrically distributed in the shell (10), a spring III is fixedly connected to the outer portion of each baffle plate (12), one end, far away from each baffle plate (12), of each spring III is fixedly connected to the inner portion of the shell (10), and the movable block (14) is movably connected to the inner portion of the electrorheological body (11).

6. The coal mine belt conveyor speed regulating device according to claim 1, characterized in that: the movable block (14) is made of an insulating material, one end, far away from the shell (10), of the second spring (13) is fixedly connected to the inner portion of the movable block (14), and the fixed block (17) is matched with the movable block (14) in specification and corresponds to the movable block in position.

7. The coal mine belt conveyor speed regulating device according to claim 1, characterized in that: the outside fixedly connected with motor of transmission shaft (3), motor, lead electrical pillar and all be connected with the external power electricity, bar copper, external power all are connected with the control maincenter electricity.