CN114962541A

CN114962541A - Shaft bottom bulk cargo loading impact eliminating device of vertical shaft hoisting skip

Info

Publication number: CN114962541A
Application number: CN202210762974.8A
Authority: CN
Inventors: 贾福音
Original assignee: Xuzhou Sunshine Science & Technology Co ltd
Current assignee: Xuzhou Sansen Weier Mine Technology Co ltd
Priority date: 2022-07-01
Filing date: 2022-07-01
Publication date: 2022-08-30
Anticipated expiration: 2042-07-01
Also published as: CN114962541B

Abstract

The invention discloses a device for eliminating bulk cargo loading impact at the bottom of a vertical shaft hoisting skip, and belongs to the technical field of mining equipment. The storage tank is close to an opening in the top of the skip bucket, a charging hole is formed in one side of the storage tank and communicated with the skip bucket, and a lifting head steel wire rope is fixedly connected to the top of the skip bucket. The invention provides a vertical shaft hoisting skip bottom bulk loading impact eliminating device, which is characterized in that through the arrangement of an impact eliminating device, a buffer oil cylinder, an upper sensor and a lower sensor, the impact eliminating device can eliminate impact force generated by vertical vibration when a skip stops through the buffer oil cylinder, and can also eliminate impact force generated when the skip is loaded, and the upper sensor and the lower sensor can ensure stable loading of the skip in the range of impact borne during loading of set impact, so that the device has better bearing capacity, can protect the device, has better safety, and simultaneously improves the working efficiency.

Description

Shaft bottom bulk cargo loading impact eliminating device of vertical shaft hoisting skip

Technical Field

The invention belongs to the technical field of mining equipment, and particularly relates to a device for eliminating bulk material loading impact at the bottom of a vertical shaft hoisting skip.

Background

In the lifting of a mine vertical shaft, a skip is a transport container for bulk materials, when the skip is loaded underground, a lifting head steel wire rope is an elastic body, bulk materials to be loaded are loaded from an upper opening of the skip, a difference of more than ten meters is formed from the upper opening of the skip to the bottom surface of the skip, and bulk ores are instantly poured into the loading opening of the container to be loaded, so that the skip is subjected to continuous feeding impact force while the skip is stopped to vibrate up and down, the skip stretches the lifting head steel wire rope, the skip moves down, not only the bulk materials are scattered, but also more importantly, the lifting head steel wire rope is subjected to composite tensile impact, the lifting head steel wire rope is scrapped in advance, particularly, a deep well, the lifting height exceeds 1000 meters, and the damage is particularly prominent.

Disclosure of Invention

Based on the technical problems in the background art, the invention provides a device for eliminating bulk material loading impact at the bottom of a vertical shaft hoisting skip.

The invention provides a device for eliminating bulk material loading impact at the bottom of a vertical shaft hoisting skip, which comprises a skip and a storage tank close to an opening at the top of the skip, a charging hole is arranged on one side of the storage tank and communicated with the skip, a lifting head steel wire rope is fixedly connected with the top of the skip, the two sides of the skip are fixedly connected with a skip lower guide sleeve seat and a skip upper guide sleeve seat, the inner walls of the skip lower guide sleeve seat and the skip upper guide sleeve seat are both in limited sliding connection with a stable guide rail, a section between the skip lower guide sleeve seat and the skip upper guide sleeve seat is a section between the skip bottom loading starting position and the skip bottom loading ending position, and the two stable guide rails are positioned below the lower guide sleeve seat of the skip and the upper guide sleeve seat of the skip and are sleeved with contact seats, and the bottom of the contact seat is provided with an impact eliminating device which is formed by combining a hydraulic system and an electric control system.

Preferably, the impact elimination device comprises a guide arm, an outer limiting guide sleeve, a contact buffer, a limiting ring, a buffering supporting plate, a piston rod, a buffering oil cylinder and a buffering oil cylinder positioning seat, wherein the guide arm is fixed at the bottom of the contact seat and is connected with the stable guide rail in a penetrating manner, the guide arm is fixedly installed between the contact seats through bolts, the guide arm penetrates through the position inside the stable guide rail and is of a cylindrical structure, and a piston rod guide hole is formed in the center position of the bottom of the guide arm.

Preferably, outer spacing uide bushing pass through bolt fixed connection and be in guiding arm bottom central point puts, the embedding of contact buffer is in the inside central point of outer spacing uide bushing puts, the buffering layer board passes through the bolt fastening the bottom of contact buffer, and the buffering layer board extends to the outside of outer spacing uide bushing, the spacing ring cover is established the surface of buffering layer board and with pass through bolt fixed connection between the outer spacing uide bushing.

Preferably, the buffer oil cylinder positioning seat is fixed on the inner wall of the stable guide rail and located below the guide arm, the buffer oil cylinder is fixed right above the top of the buffer oil cylinder positioning seat, and the piston rods are located between the tops of the buffer oil cylinders and connected through pistons.

Preferably, one end of the piston rod sequentially penetrates through the buffer supporting plate and the center position of the contact buffer, the buffer supporting plate is fixedly connected with the piston rod through a bolt, and one end of the piston rod, which is close to the guide arm, can be embedded in the piston rod guide hole.

Preferably, an upper sensor and a lower sensor are fixedly connected to an outer surface of the stable guide rail, the upper sensor and the lower sensor are respectively located above and below the contact base, when the contact base reaches the position of the lower sensor, the skip is indicated to have reached a lowest loading limit, and when the contact base reaches the position of the upper sensor, the skip is indicated to have reached an upper loading limit.

The device for eliminating bulk material loading impact at the bottom of the vertical shaft hoisting skip has the beneficial effects that: through the arranged impact eliminating device, the contact seat, the guide arm, the buffer oil cylinder, the stable guide rail, the lower guide sleeve seat of the skip and the upper guide sleeve seat of the skip, when the skip is parked, the skip vibrates up and down to generate impact force after parking, the impact force is eliminated by the impact eliminating device, at the moment, the skip compresses the contact seat on the impact eliminating device through the lower guide sleeve seats of the skip and the upper guide sleeve seats of the skip on both sides, the contact seat is fixedly installed with the buffer oil cylinder in the stable guide rail through the guide arm, when bulk materials in the storage tank are loaded into the skip, wherein the buffer oil cylinder can eliminate the impact force generated when the bulk materials fall into the skip, and simultaneously, according to the throwing amount and the bottom impact force of the skip, the limit value of the buffer oil cylinder is set, the impact force which can be born by the contact seat is in a set range, the impact force of the skip when the skip is loaded at the bottom of a well can be eliminated, therefore, the efficiency of transferring is improved every time, the damage to the rope caused by small loading is reduced, the production efficiency is improved, and the safety is improved.

Drawings

Fig. 1 is a schematic view of an arrangement structure of a vertical shaft skip bottom bulk cargo loading impact eliminating device according to the present invention;

fig. 2 is a schematic diagram of an active region of a contact seat in a device for eliminating bulk cargo loading impact at the bottom of a vertical shaft skip bucket according to the present invention;

FIG. 3 is a schematic structural diagram of an impact eliminator in the bottom bulk loading impact eliminator of the vertical shaft elevator skip;

fig. 4 is a schematic connection diagram of a contact base and a guide arm in the device for eliminating bulk material loading impact at the bottom of a vertical shaft skip bucket provided by the invention;

fig. 5 is a schematic structural diagram of a lower skip guide sleeve seat and an upper skip guide sleeve seat in the device for eliminating bulk material loading impact at the bottom of a vertical shaft hoisting skip.

Illustration of the drawings:

1. a skip bucket; 2. stabilizing the guide rail; 3. a storage tank; 4. lifting the first steel wire rope; 5. a skip lower guide sleeve seat; 6. a guide sleeve seat is arranged on the skip; 7. an impact eliminating device; 8. a charging port; 9. an upper sensor; 10. a lower sensor; 11. a buffer oil cylinder positioning seat; 12. a buffer oil cylinder; 13. a piston rod; 14. a cushion pallet; 15. a contact bumper; 16. a limiting ring; 17. an outer limiting guide sleeve; 18. a contact base; 19. a guide arm.

Detailed Description

Referring to fig. 1-5, the invention provides a shaft bottom bulk cargo loading impact eliminating device of a vertical shaft hoisting skip, comprising a skip 1 and a storage tank 3 close to the top opening of the skip 1, wherein one side of the storage tank 3 is provided with a charging hole 8 communicated with the skip 1, the top of the skip 1 is fixedly connected with a hoisting head steel wire rope 4, two sides of the skip 1 are fixedly connected with a skip lower guide sleeve seat 5 and a skip upper guide sleeve seat 6, the inner walls of the skip lower guide sleeve seat 5 and the skip upper guide sleeve seat 6 are both in limited sliding connection with a stable guide rail 2, a loading start position and an end position interval of the skip 1 is arranged between the skip lower guide sleeve seat 5 and the skip upper guide sleeve seat 6, and the two stable guide rails 2 are positioned below the skip lower guide sleeve seat 5 and the skip upper guide sleeve seat 6 and are both in contact with a contact seat 18, the bottom of the contact seat 18 is provided with an impact eliminating device 7, the impact eliminating device 7 is formed by combining a hydraulic system and an electric control system;

through adopting above-mentioned technical scheme, skip 1 can be through skip down uide bushing seat 5 and skip on the uide bushing seat 6 reciprocate along the stable guided way 2 in both sides, wherein promote first wire rope 4 and can exert pulling force pulling skip 1 through external motor, stop along the skip 1, vibrations about this moment skip 1 receives promoting first wire rope 4 elastic action, skip 1 moves to the parking stall.

In a specific embodiment, the impact eliminating device 7 comprises a guide arm 19, an outer limiting guide sleeve 17, a contact buffer 15, a limiting ring 16, a buffer supporting plate 14, a piston rod 13, a buffer oil cylinder 12 and a buffer oil cylinder positioning seat 11, wherein the guide arm 19 is fixed at the bottom of the contact seat 18 and is in penetrating connection with the stable guide rail 2, the guide arm 19 and the contact seat 18 are fixedly installed through a bolt, the position where the guide arm 19 penetrates through the stable guide rail 2 is of a cylindrical structure, and a piston rod guide hole is formed in the center of the bottom of the guide arm 19; the outer limiting guide sleeve 17 is fixedly connected to the center of the bottom of the guide arm 19 through a bolt, the contact buffer 15 is embedded in the center of the inner portion of the outer limiting guide sleeve 17, the buffer supporting plate 14 is fixed to the bottom of the contact buffer 15 through a bolt, the buffer supporting plate 14 extends to the outer portion of the outer limiting guide sleeve 17, and the limiting ring 16 is sleeved on the outer surface of the buffer supporting plate 14 and is fixedly connected with the outer limiting guide sleeve 17 through a bolt; the buffer oil cylinder positioning seat 11 is fixed on the inner wall of the stable guide rail 2 and is positioned below the guide arm 19, the buffer oil cylinder 12 is fixed right above the top of the buffer oil cylinder positioning seat 11, and the piston rods 13 are positioned on the top of the buffer oil cylinder 12 and are connected with each other by a piston; one end of the piston rod 13 sequentially penetrates through the buffer supporting plate 14 and contacts the central position of the buffer 15, the buffer supporting plate 14 is fixedly connected with the piston rod 13 through a bolt, and one end of the piston rod 13 close to the guide arm 19 can be embedded in a piston rod guide hole;

through adopting above-mentioned technical scheme, skip 1 is when parkking, the shock force is produced in the upper and lower vibration of skip 1 after the parking, its shock force is eliminated by impact removing device 7, skip 1 compresses tightly contact seat 18 on impact removing device 7 through guide sleeve seat 5 under the skip of both sides and guide sleeve seat 6 on the skip this moment, contact seat 18 is in the same place through leading arm 19 and the inside buffer cylinder 12 fixed mounting of stable guided way 2, when the inside bulk cargo of storage tank 3 is being packed into skip 1, wherein, buffer cylinder 12 can eliminate the shock force that the bulk cargo produced when falling into skip 1, the volume of throwing is installed simultaneously and reach skip 1 bottom shock force, set for buffer cylinder 12's limit force value, the shock force that makes contact seat 18 can bear is at the within range of setting for.

In a specific embodiment, the outer surface of the stable guide rail 2 is fixedly connected with an upper sensor 9 and a lower sensor 10, the upper sensor 9 and the lower sensor 10 are respectively positioned above and below the contact seat 18, when the contact seat 18 reaches the position of the lower sensor 10, the state indicates that the skip 1 reaches the lowest loading limit, and when the contact seat 18 reaches the position of the upper sensor 9, the state indicates that the skip 1 reaches the upper loading limit;

by adopting the technical scheme, when the stable guide rail 2 is close to the lower sensor 10, the skip 1 is indicated to reach the lowest loading limit, and the lifting head wire rope 4 must be adjusted. During adjustment, the upper sensor 9 is adjusted to the position indicating the loading upper limit position, and the upper sensor 9 is the upper limit position for ensuring loading after rope adjustment, so that damage to the device caused by excessive loading can be prevented.

As an improvement of the examples:

the upper part action can be realized by a mechanical frame arranged at the bottom of the skip 1 or by an external oil cylinder;

the contact buffer 15 can use various elastic elements, and a damping oil cylinder can be additionally arranged on a spring;

the stable guide rail 2 can be designed into a plurality of sections which are connected into a whole by corresponding structures, and can also be designed into a section;

a mechanical memory mode of position memory can be designed between the upper sensor 9 and the lower sensor 10, and the memory control can also be carried out through an electric control system.

The working principle of the invention is as follows: when using, at first, skip 1 can be through skip lower uide bushing seat 5 and skip upper uide bushing seat 6 along the stable guided way 2 in both sides reciprocate, wherein promote first wire rope 4 and can exert pulling force pulling skip 1 through external motor, stop along the skip 1, skip 1 shakes from top to bottom by promoting first wire rope 4 elastic reaction this moment, skip 1 moves to the parking stall, then, impact eliminating device 7 can eliminate the impact force that skip 1 produced when the vibration, the impact force that produces when can eliminating the loading simultaneously, thereby can make the device have better bearing capacity, can protect the device, better security has, improve the efficiency of work simultaneously.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a vertical shaft hoisting skip shaft bottom of well bulk cargo loads and strikes remove device, includes skip (1) and is close to skip (1) open-top's storage tank (3), charging hole (8) have been seted up to one side of storage tank (3) with skip (1) communicates with each other, a serial communication port, the top fixedly connected with of skip (1) promotes first wire rope (4), the equal fixedly connected with skip down uide bushing seat (5) in both sides of skip (1), uide bushing seat (6) on the skip, the equal spacing sliding connection of inner wall of uide bushing seat (6) has stable guided way (2) under the skip (5), on the skip, uide bushing seat (5) under the skip with on the skip between uide bushing seat (6) do skip (1) shaft bottom loads starting position and ending position district's section, and two stable guided way (2) are located uide bushing seat (5) under the skip, The contact base (18) is sleeved below the upper guide sleeve base (6) of the skip, the impact eliminating device (7) is arranged at the bottom of the contact base (18), and the impact eliminating device (7) is formed by combining a hydraulic system and an electric control system.

2. The device for eliminating bulk material loading impact of the bottom of the vertical shaft hoisting skip according to claim 1, wherein the impact eliminating device (7) comprises a guide arm (19), an outer limiting guide sleeve (17), a contact buffer (15), a limiting ring (16), a buffering supporting plate (14), a piston rod (13), a buffering oil cylinder (12) and a buffering oil cylinder positioning seat (11), the guide arm (19) is fixed at the bottom of the contact seat (18) and is in penetrating connection with the stable guide rail (2), the guide arm (19) and the contact seat (18) are fixedly installed through bolts, the guide arm (19) penetrates through the stable guide rail (2) and is of a cylindrical structure, and a piston rod guide hole is formed in the center of the bottom of the guide arm (19).

3. The vertical shaft hoisting skip bottom bulk cargo loading impact elimination device according to claim 2, characterized in that the outer limiting guide sleeve (17) is fixedly connected to the center of the bottom of the guide arm (19) through bolts, the contact damper (15) is embedded in the center of the outer limiting guide sleeve (17), the buffer support plate (14) is fixed to the bottom of the contact damper (15) through bolts, the buffer support plate (14) extends to the outside of the outer limiting guide sleeve (17), and the limiting ring (16) is sleeved on the outer surface of the buffer support plate (14) and is fixedly connected with the outer limiting guide sleeve (17) through bolts.

4. The device for eliminating the loading impact of the bulk material at the bottom of the vertical shaft hoisting skip according to claim 2, wherein the buffer cylinder positioning seat (11) is fixed on the inner wall of the stable guide rail (2) and is positioned below the guide arm (19), the buffer cylinder (12) is fixed right above the top of the buffer cylinder positioning seat (11), and the piston rods (13) are positioned at the tops of the buffer cylinders (12) and are connected with each other by a piston.

5. The device for eliminating bulk material loading impact at the bottom of a vertical shaft hoisting skip well according to any one of claims 1 to 4, characterized in that one end of the piston rod (13) sequentially passes through the buffer supporting plate (14) and contacts the central position of a buffer (15), the buffer supporting plate (14) is fixedly connected with the piston rod (13) through a bolt, and one end of the piston rod (13) close to the guide arm (19) can be embedded in the guide hole of the piston rod.

6. The device for eliminating the loading impact of the bulk material at the bottom of the vertical lifting skip according to claim 1, wherein the outer surface of the stable guide rail (2) is fixedly connected with an upper sensor (9) and a lower sensor (10), the upper sensor (9) and the lower sensor (10) are respectively positioned above and below the contact seat (18), when the contact seat (18) reaches the position of the lower sensor (10), the device indicates that the skip (1) has reached the lowest loading limit, and when the contact seat (18) reaches the position of the upper sensor (9), the device indicates that the skip (1) has reached the upper loading limit.