CN216478575U - Steel belt type energy-absorbing buffering brake device in inclined drift transportation - Google Patents

Abstract

The application relates to a steel belt type energy-absorbing buffering brake device in inclined roadway transportation, which comprises a shell, a coiling steel belt, an inclined plane driving piece, a dynamic pressure unit, a constant pressure unit, a traction piece and a connecting piece, wherein the shell is provided with a plurality of steel belt grooves; and part of the coiling steel belt penetrates through a gap between the dynamic pressure unit and the constant pressure unit, an inclined surface used for abutting against the dynamic pressure unit is arranged on the inclined surface driving part, when the traction part moves away from the shell, the inclined surface jacks up the dynamic pressure unit, and the dynamic pressure unit is matched with the constant pressure unit to extrude part of the coiling steel belt to be in a bending state. The application has the following expected technical effects: when the traction piece is stressed to move, the coiling steel belt connected with the traction piece and the inclined plane driving piece move together, the inclined plane pushes the dynamic pressure unit to move upwards to be matched with the constant pressure unit to extrude part of the coiling steel belt, so that the coiling steel belt is bent and deformed, the deformation process of the coiling steel belt is the process of generating braking force, the braking force is changed from small to large, and the gradual loading of the braking force is realized.

Description

Steel belt type energy-absorbing buffering brake device in inclined drift transportation

Technical Field

The application relates to the technical field of buffer braking equipment, in particular to a steel belt type energy-absorbing buffer braking device in inclined roadway transportation.

Background

The lifting and transporting processes of the mine are divided into vertical shaft lifting, inclined roadway transportation and horizontal roadway transportation, accidents such as overwinding and over-releasing accidents, unhooking of inclined roadway mine cars, stalling and the like can not be avoided in the actual operation process, and many steel belt energy absorption devices in the market do not have gradual loading capacity, so that the braking effect is poor, and improvement is needed.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that common steel strip energy absorption equipment does not have gradual loading capacity, the steel strip type energy absorption buffering braking device in inclined roadway transportation is provided. The application provides steel belt type energy-absorbing buffering brake device in inclined drift transportation adopts following technical scheme: the steel belt type energy-absorbing buffering brake device in inclined roadway transportation comprises a shell, a twisted steel belt, an inclined surface driving piece, a dynamic pressure unit, a constant pressure unit, a traction piece and a connecting piece; the coiling steel belt is arranged in the shell, the inclined surface driving piece is horizontally and slidably arranged in the shell and is positioned below the coiling steel belt, the dynamic pressure unit is vertically and slidably arranged in the shell, and the constant pressure unit is fixedly arranged in the shell; part of the coiling steel belt penetrates through a gap between the dynamic pressure unit and the constant pressure unit, the movable end of the coiling steel belt is connected to the traction piece, the inclined surface driving piece is connected to the traction piece through the connecting piece, an inclined surface is arranged on the inclined surface driving piece, when the traction piece moves away from the shell, the inclined surface jacks up the dynamic pressure unit step by step, and the dynamic pressure unit is matched with the constant pressure unit to extrude part of the coiling steel belt to be in a bent state. By adopting the technical scheme, when the traction part is stressed to move, the coiling steel belt connected with the traction part and the inclined plane driving part move together, when the inclined plane driving part moves, the inclined plane pushes the dynamic pressure unit to move upwards to be matched with the constant pressure unit to extrude part of the coiling steel belt, so that the coiling steel belt is bent and deformed, the deformation process of the coiling steel belt is the process of generating braking force, the braking force reaches the maximum value from small to large, the gradual loading of the braking force is realized, the coiling steel belt is installed in the shell after coiling forming, the effect of saving the position space is achieved, and the coiling steel belt can be set to be very long due to the coiling forming, so that the braking force is continuously output. Optionally, the dynamic pressure unit is a dynamic pressure roller, two ends of the dynamic pressure roller are rotatably mounted on the inner wall of the housing, a vertical sliding groove matched with the end of the dynamic pressure roller is formed in the housing, and the dynamic pressure roller is horizontally arranged and perpendicular to the movement direction of the inclined surface driving part. By adopting the technical scheme, the vertical sliding groove provides a stable lifting track for the dynamic pressure roller, plays a role of limiting and blocking the dynamic pressure roller, and is simple in structural design and convenient to mount and dismount; the dynamic pressure roller is generally of a cylindrical structure, the contact area between the dynamic pressure roller and the lower surface of the coiling steel strip is smaller, the friction loss between the dynamic pressure roller and the coiling steel strip is smaller in the motion energy absorption process of the coiling steel strip, and the service life of the coiling steel strip is obviously prolonged. Optionally, the fixed-pressure unit is two fixed-pressure rollers, two ends of the fixed-pressure roller are mounted on the inner wall of the shell, the two fixed-pressure rollers are arranged on the same horizontal plane at intervals, the dynamic pressure roller is located between the two fixed-pressure rollers, and the fixed-pressure rollers are parallel to the dynamic pressure roller. By adopting the technical scheme, the two fixed pressure rollers are matched with one dynamic pressure roller, so that the local coiled steel strip can be better extruded and deformed into a bending state, and the braking is more stable; the fixed compression roller is generally of a cylindrical structure, the contact area between the fixed compression roller and the upper surface of the coiling steel strip is small, the friction loss between the fixed compression roller and the coiling steel strip is small in the energy absorption process of the coiling steel strip, and the service life of the coiling steel strip is obviously prolonged. Optionally, the inclined surface driving part comprises a sliding block, a traction rod and a core rod, the inclined surface is arranged on the sliding block, a traction groove is formed in the sliding block, the traction rod comprises a rod part and a protruding part, one end of the rod part is connected with the connecting piece, and the protruding part is arranged at one end, far away from the connecting piece, of the rod part; a pit is formed in the inner side wall of the traction groove, mutually-fitted occlusion inclined planes are arranged in the pit and on the surface of the protruding part, the width of the traction groove is equal to the sum of the diameter of the core rod and the diameter of the rod part, and one end, far away from the traction rod, of the core rod is fixedly installed on the shell; after the dynamic pressure unit moves to the highest position, the traction rod can be separated from the traction groove. By adopting the technical scheme, when the traction rod moves along with the traction piece, in the early stage, the sliding block moves along with the traction rod because the convex part is meshed with the inclined surface of the concave pit and the core rod is abutted against the traction rod; when the dynamic pressure unit moves to the highest position, the traction rod slides to the position where the traction rod cannot contact the core rod, then the traction rod can be separated from the traction groove, and the traction piece automatically unhooks after braking. Optionally, the bottom wall in the casing is provided with two slide rails arranged horizontally at intervals, the slide rails are parallel to the moving direction of the traction piece, and the bottom of the slide block is provided with a sliding groove matched with the slide rails. Through adopting above-mentioned technical scheme, slide rail and spout sliding fit effect have improved the stability of sliding block when the inside slip of casing, are favorable to the inclined plane of sliding block to order about dynamic pressure unit and stably rise, and above-mentioned structural design is simple, the installation and later maintenance of being convenient for. Optionally, the top surface of the sliding block is configured as a plane, and the plane is used for supporting the bottommost part of the dynamic pressure unit. Through adopting above-mentioned technical scheme, when the dynamic pressure unit was driven to the highest position by the inclined plane, the bottommost contact above-mentioned plane of dynamic pressure unit, because crooked and the coiling steel band in the energy-absorbing process has great downforce to the dynamic pressure unit, if do not have above-mentioned plane, this kind of downforce can produce the horizontal force that orders about the reverse motion of sliding block under the effect on inclined plane, so above-mentioned plane can prevent effectively that the sliding block from the motion of resetting in opposite directions, and whole structure is more stable firm, and the security is higher. Optionally, an arc-shaped groove is formed in the plane, and the maximum depth of the arc-shaped groove is 2 cm. Through adopting above-mentioned technical scheme, the arc recess can make the movable pressing unit more stable on the plane, and then makes the curved steel band of coiling keep crooked state always, and braking effect is better. Optionally, the winding device further comprises a limiting roller fixedly installed inside the shell, and a joint between the traction piece and the winding steel belt and the bottommost part of the limiting roller are located on the same horizontal plane. Through adopting above-mentioned technical scheme, spacing roller can make that section that the piece was closed on to the coiling steel band keeps the horizontality, and then is favorable to pulling that the piece stably drives the motion of coiling steel band, and the security is higher. Optionally, the traction piece is a U-shaped shackle, a clamping plate used for clamping the movable end of the coiling steel belt is arranged on the U-shaped shackle, and the clamping plate is attached to the lower surface of the coiling steel belt. Through adopting above-mentioned technical scheme, the U-shaped shackle is the accessory commonly used, easily purchases, and is with low costs, and small and bearing weight is big, and the area of contact between splint and the bent steel band expansion end is bigger, and then the firm in connection nature between bent steel band expansion end and the U-shaped shackle is higher. Optionally, the connecting piece is a steel wire rope or a hoisting belt. By adopting the technical scheme, the steel wire rope or the hoisting belt has higher tensile strength, fatigue resistance and impact toughness resistance, good flexibility, is suitable for traction and pulling, is a common accessory, is easy to purchase and has low cost. In summary, the present application includes at least one of the following beneficial technical effects: 1. when the traction piece is stressed to move, the coiling steel belt and the inclined plane driving piece which are connected with the traction piece move together, when the inclined plane driving piece moves, the inclined plane pushes the dynamic pressure unit to move upwards to match with the constant pressure unit to extrude part of the coiling steel belt, so that the coiling steel belt is bent and deformed, the deformation process of the coiling steel belt is the process of generating braking force, the braking force reaches the maximum value after changing from small to large, the gradual loading of the braking force is realized, the coiling steel belt is installed in the shell after coiling forming, the effect of saving position space is achieved, and the coiling steel belt can be set to be very long due to the coiling forming, so that the braking force is continuously output. 2. When the traction rod moves along with the traction piece, in the early stage, the sliding block moves along with the traction rod because the convex part is meshed with the inclined plane of the concave pit and the core rod is abutted against the traction rod; when the dynamic pressure unit moves to the highest position, the traction rod slides to the position where the traction rod cannot contact the core rod, then the traction rod can be separated from the traction groove, and the traction piece automatically unhooks after braking.

Drawings

Fig. 1 is a schematic structural diagram of a steel belt type energy absorption and buffering brake device in inclined roadway transportation according to an embodiment of the application in a normal state. Fig. 2 is a schematic structural diagram of the steel belt type energy absorption buffering brake device after energy absorption in inclined roadway transportation according to the embodiment of the application. FIG. 3 is a schematic diagram of a normal configuration of a bevel drive member according to an embodiment of the present application. FIG. 4 is a schematic structural view of the bevel drive of an embodiment of the present application after energy absorption. Fig. 5 is a schematic structural diagram of a slider according to an embodiment of the present application. Description of reference numerals: 1. a housing; 11. a vertical chute; 12. a slide rail; 2. coiling a steel belt; 3. a bevel drive member; 31. a slider; 311. a bevel; 312. a traction groove; 313. a plane; 314. an arc-shaped groove; 32. a draw bar; 33. a core rod; 4. a dynamic pressure unit; 5. a constant pressure unit; 6. a traction member; 61. a splint; 7. a connecting member; 8. and (5) limiting rollers.

Detailed Description

The present application is described in further detail below with reference to figures 1-5. The embodiment of the application discloses a steel belt type energy-absorbing buffering braking device in inclined roadway transportation. Referring to fig. 1 and 2, the steel belt type energy absorption buffer braking device in inclined roadway transportation comprises a shell 1, a coiling steel belt 2, a bevel driving piece 3, a dynamic pressure unit 4, a constant pressure unit 5, a traction piece 6 and a connecting piece 7. The coiling steel belt 2 is arranged in the shell 1, the inclined surface driving piece 3 is horizontally and slidably arranged in the shell 1, the inclined surface driving piece 3 is positioned below the coiling steel belt 2, the dynamic pressure unit 4 is vertically and slidably arranged in the shell 1, and the constant pressure unit 5 is fixedly arranged in the shell 1; part of the coiling steel belt 2 passes through a gap between the dynamic pressure unit 4 and the constant pressure unit 5, the movable end of the coiling steel belt 2 is connected to the traction piece 6, the inclined plane driving piece 3 is connected to the traction piece 6 through the connecting piece 7, the inclined plane 311 is arranged on the inclined plane driving piece 3, the inclination angle and the length of the inclined plane 311 are adjusted according to actual requirements, the inclined plane 311 jacks up the dynamic pressure unit 4 gradually when the traction piece 6 is far away from the shell 1 to move, and the dynamic pressure unit 4 is matched with the constant pressure unit 5 to extrude part of the coiling steel belt 2 to be in a bending state. The dynamic pressure unit 4 is a dynamic pressure roller, the dynamic pressure roller is made of 45# steel, two ends of the dynamic pressure roller are rotatably installed on the inner wall of the shell 1, the shell 1 is provided with a vertical sliding groove 11 matched with the end part of the dynamic pressure roller, and the dynamic pressure roller is horizontally arranged and perpendicular to the motion direction of the inclined plane driving part 3. The vertical sliding groove 11 provides a stable lifting track for the dynamic pressure roller, plays a role in limiting and blocking the dynamic pressure roller, and is simple in structural design and convenient to mount and dismount; the dynamic pressure roller is generally of a cylindrical structure, the contact area between the dynamic pressure roller and the lower surface of the curved steel band 2 is smaller, the friction loss ratio between the dynamic pressure roller and the curved steel band 2 is smaller in the process of energy absorption of the curved steel band 2, and the service life of the curved steel band 2 is obviously prolonged. The constant pressure unit 5 is two constant pressure rollers, the constant pressure roller is made of 45# steel, two ends of the constant pressure roller are installed on the inner wall of the shell 1, the constant pressure rollers are provided with two fixed pressure rollers and arranged on the same horizontal plane at intervals, the dynamic pressure roller is located between the two constant pressure rollers, and the constant pressure rollers are parallel to the dynamic pressure roller. The two fixed compression rollers are matched with one dynamic pressure roller, so that the local coiled steel strip 2 can be better extruded and deformed into a bending state, and the braking is more stable; the fixed compression roller is generally of a cylindrical structure, the contact area between the fixed compression roller and the upper surface of the coil steel strip 2 is small, the friction loss between the fixed compression roller and the coil steel strip 2 is small in the process of energy absorption of the coil steel strip 2, and the service life of the coil steel strip 2 is obviously prolonged. Referring to fig. 3 and 4, the bevel driving member 3 includes a sliding block 31, a traction rod 32 and a mandrel 33, a bevel 311 is disposed on the sliding block 31, a traction groove 312 is disposed in the sliding block 31, the traction rod 32 includes a rod portion and a protruding portion, one end of the rod portion is connected with the connecting member 7, and the protruding portion is disposed at one end of the rod portion away from the connecting member 7; a concave pit is arranged on the inner side wall of the traction groove 312, mutually-fitted occlusion inclined planes are arranged in the concave pit and on the surface of the convex part, the inclination angle of the occlusion inclined planes is 30 degrees, the width of the traction groove 312 is equal to the sum of the diameter of the core rod 33 and the diameter of the rod part, and one end of the core rod 33, which is far away from the traction rod 32, is welded and installed on the shell 1; after the dynamic pressure unit 4 moves to the uppermost position, the traction rod 32 may be separated from the traction groove 312. When the traction rod 32 moves along with the traction piece 6, the sliding block 31 moves along with the traction rod 32 because the convex part is meshed with the inclined plane of the concave pit and the core rod 33 is abutted to the traction rod 32 in the early stage; when the dynamic pressure unit 4 moves to the highest position, the traction rod 32 slides to a position where the traction rod cannot contact the core rod 33, and then the traction rod 32 can be separated from the traction groove 312, and the traction piece 6 automatically unhooks after braking, and the structure is simple and practical. Two slide rails 12 which are arranged horizontally at intervals are arranged on the bottom wall in the shell 1, the slide rails 12 are parallel to the moving direction of the traction piece 6, and the bottom of the sliding block 31 is provided with a sliding groove matched with the slide rails 12. Slide rail 12 and spout sliding fit effect have improved the stability of sliding block 31 when casing 1 is inside to slide, are favorable to sliding block 31's inclined plane 311 to order about dynamic pressure unit 4 and stably rise, and above-mentioned structural design is simple, the installation and later maintenance of being convenient for. Referring to fig. 2 and 5, the top surface of the slide block 31 is provided as a flat surface 313, and the flat surface 313 is used to support the bottommost portion of the dynamic pressure unit 4. When the dynamic pressure unit 4 is driven to the highest position by the inclined surface 311, the bottommost part of the dynamic pressure unit 4 contacts the plane 313, and because the curved steel belt 2 which is bent and absorbs energy has a large downward force on the dynamic pressure unit 4, if the plane 313 is not provided, the downward force can generate a horizontal force which drives the sliding block 31 to move in the opposite direction under the action of the inclined surface 311, so that the plane 313 can effectively prevent the sliding block 31 from moving in the opposite direction, the whole structure is more stable and firm, and the safety is higher. The plane 313 is provided with an arc-shaped groove 314, and the maximum depth of the arc-shaped groove 314 is 2 cm. The arc-shaped groove 314 can enable the dynamic pressure unit 4 to be more stable on the plane 313, so that the coiling steel belt 2 can be kept in a bending state all the time, and the braking effect is better. The steel wire coiling machine further comprises a limiting roller 8 fixedly installed inside the shell 1, and the joint between the traction piece 6 and the coiling steel belt 2 and the bottommost part of the limiting roller 8 are located on the same horizontal plane. The limiting roller 8 can enable the section of the coiling steel belt 2 close to the traction piece 6 to be kept in a horizontal state, so that the traction piece 6 is favorable for stably driving the coiling steel belt 2 to move, and the safety is higher. The traction piece 6 is a U-shaped shackle, a clamping plate 61 used for clamping the movable end of the coiling steel belt 2 is arranged on the U-shaped shackle, and the clamping plate 61 is attached to the lower surface of the coiling steel belt 2. U-shaped shackle is accessory commonly used, easily purchases, and is with low costs, and small and bearing weight is big, and the area of contact between splint 61 and the 2 expansion ends of the curved steel band of coiling is bigger, and then the firm in connection nature between 2 expansion ends of curved steel band of coiling and the U-shaped shackle is higher. The connecting piece 7 is a steel wire rope or a hoisting belt. The steel wire rope or the hoisting belt has high tensile strength, fatigue resistance, impact toughness and flexibility, is suitable for traction and pulling, is a common accessory, is easy to purchase and has low cost. The implementation principle of the steel belt type energy-absorbing buffering braking device in inclined roadway transportation in the embodiment of the application is as follows: when the traction piece 6 is forced to move, the coiling steel belt 2 connected with the traction piece and the inclined plane driving piece 3 move together, when the inclined plane driving piece 3 moves, the inclined plane 311 pushes the dynamic pressure unit 4 to move upwards to be matched with the constant pressure unit 5 to extrude part of the coiling steel belt 2, so that the coiling steel belt 2 is bent and deformed, the deformation process of the coiling steel belt 2 is the process of generating braking force, the braking force reaches the maximum value after changing from small to large, the gradual loading of the braking force is realized, the coiling steel belt 2 is installed in the shell 1 after coiling forming, the effect of saving the position space is achieved, the steel belt can be set to be very long due to the coiling forming of the coiling steel belt 2, and the braking force is continuously output. 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 (10)

1. Steel belt type energy absorption buffering brake device in inclined drifts transportation, its characterized in that: comprises a shell (1), a coiling steel belt (2), an inclined plane driving piece (3), a dynamic pressure unit (4), a constant pressure unit (5), a traction piece (6) and a connecting piece (7); the coiling steel belt (2) is installed inside the shell (1), the inclined surface driving piece (3) is horizontally installed in the shell (1) in a sliding mode, the inclined surface driving piece (3) is located below the coiling steel belt (2), the dynamic pressure unit (4) is vertically installed inside the shell (1) in a sliding mode, and the constant pressure unit (5) is fixedly installed inside the shell (1); part the coiling steel belt (2) passes dynamic pressure unit (4) with the gap between level pressure unit (5), the expansion end of coiling steel belt (2) is connected to draw piece (6), inclined plane driving piece (3) pass through connecting piece (7) are connected to draw piece (6), be provided with inclined plane (311) on inclined plane driving piece (3), work as draw piece (6) keep away from when casing (1) moves inclined plane (311) jack-up gradually dynamic pressure unit (4), just dynamic pressure unit (4) cooperation level pressure unit (5) extrusion part coiling steel belt (2) to crooked state.

2. The steel belt type energy-absorbing buffering brake device in inclined roadway transportation according to claim 1, wherein: the dynamic pressure unit (4) is a dynamic pressure roller, two ends of the dynamic pressure roller are rotatably mounted on the inner wall of the shell (1), a vertical sliding groove (11) matched with the end part of the dynamic pressure roller is formed in the shell (1), and the dynamic pressure roller is horizontally arranged and perpendicular to the motion direction of the inclined surface driving part (3).

3. The steel belt type energy-absorbing buffering brake device in inclined roadway transportation according to claim 2, wherein: the constant pressure unit (5) is provided with two constant pressure rollers, two ends of each constant pressure roller are installed on the inner wall of the shell (1), the two constant pressure rollers are arranged on the same horizontal plane at intervals, the dynamic pressure roller is located between the two constant pressure rollers, and the constant pressure rollers are parallel to the dynamic pressure roller.

4. The steel belt type energy-absorbing buffering brake device in inclined roadway transportation according to claim 1, wherein: the inclined plane driving piece (3) comprises a sliding block (31), a traction rod (32) and a core rod (33), the inclined plane (311) is arranged on the sliding block (31), a traction groove (312) is formed in the sliding block (31), the traction rod (32) comprises a rod part and a protruding part, one end of the rod part is connected with the connecting piece (7), and the protruding part is arranged at one end, far away from the connecting piece (7), of the rod part; a concave pit is arranged on the inner side wall of the traction groove (312), mutually-fitted occlusion inclined planes are arranged in the concave pit and on the surface of the convex part, the width of the traction groove (312) is equal to the sum of the diameter of the core rod (33) and the diameter of the rod part, and one end, far away from the traction rod (32), of the core rod (33) is fixedly installed on the shell (1); after the dynamic pressure unit (4) moves to the highest position, the traction rod (32) can be separated from the traction groove (312).

5. The steel belt type energy-absorbing buffering brake device in inclined roadway transportation according to claim 4, wherein: be provided with two slide rails (12) that interval and level were arranged on the diapire in casing (1), slide rail (12) are on a parallel with the direction of motion of traction piece (6), the bottom of sliding block (31) set up with slide rail (12) matched with spout.

6. The steel belt type energy-absorbing buffering brake device in inclined roadway transportation according to claim 4, wherein: the top surface of the sliding block (31) is provided with a plane (313), and the plane (313) is used for supporting the bottommost part of the dynamic pressure unit (4).

7. The steel belt type energy-absorbing buffering brake device in inclined roadway transportation according to claim 6, wherein: an arc-shaped groove (314) is arranged on the plane (313), and the maximum depth of the arc-shaped groove (314) is 2 cm.

8. The steel belt type energy-absorbing buffering brake device in inclined roadway transportation according to claim 1, wherein: the coiling steel belt traction device is characterized by further comprising a limiting roller (8) fixedly installed inside the shell (1), and the joint between the traction piece (6) and the coiling steel belt (2) and the bottommost part of the limiting roller (8) are located on the same horizontal plane.

9. The steel belt type energy-absorbing buffering brake device in inclined roadway transportation according to claim 1, wherein: draw piece (6) and break out for the U-shaped, it is used for pressing from both sides tightly to be provided with on the U-shaped break out splint (61) of coiling steel band (2) expansion end, splint (61) laminate in the lower surface of coiling steel band (2).

10. The steel belt type energy-absorbing buffering brake device in inclined roadway transportation according to claim 1, wherein: the connecting piece (7) is a steel wire rope or a hoisting belt.

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