CN212740557U

CN212740557U - Mine elevator of preventing falling

Info

Publication number: CN212740557U
Application number: CN202021014479.1U
Authority: CN
Inventors: 朱迅; 周传江; 曾承禹
Original assignee: Sichuan Xunhai Explosion Proof Diesel Locomotive Manufacturing Co ltd
Current assignee: Sichuan Xunhai Explosion Proof Diesel Locomotive Manufacturing Co ltd
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2021-03-19
Anticipated expiration: 2030-06-05

Abstract

The utility model discloses a falling-preventing mining elevator, which relates to the technical field of mining equipment and comprises a base, a rotating rod and a winding reel; a braking mechanism is arranged on the left side of the base and comprises a limiting box, a first electromagnetic block, a second electromagnetic block, a bearing plate, an anti-magnetic box, a servo motor, a rotating shaft and a second gear; a clamping mechanism is arranged above the rotating rod and comprises a supporting frame, a hanging rod, a baffle, a clamping groove, a connecting rod and a stop lever vertically and fixedly connected to the right end of the rotating rod. The utility model discloses when the elevator in the work when the power failure condition suddenly takes place, the magnetic force of first electromagnetism piece and second electromagnetism piece disappears, and the antimagnetic box follows the second electromagnetism piece and moves down, drives the connecting rod and can stimulate the baffle downwards and make its card go into the draw-in groove in, makes to be between right side baffle and the pin and blocks the position relation to make the bobbin stop rotation, prevent hopper or cage tenesmus. The utility model has the advantages of simple and reasonable structure, the good difficult wearing and tearing of stability, the reliability of preventing falling is high, and the security is high.

Description

Mine elevator of preventing falling

Technical Field

The utility model relates to a mining equipment technical field specifically is a mining lifting machine prevents falling.

Background

With the rapid development of national economy, the demand of China for mineral resources is greatly increased, the exploitation of underground mineral resources in China is promoted to be continuously expanded to a deep layer, the difficulty of mine lifting is increased, and therefore a large amount of elevators are used. In the using process of the hoister, the condition that power failure cannot be avoided, when power failure occurs suddenly, the hopper or the cage can drop rapidly, the mine is deep, the hopper or the cage can drop rapidly, equipment can be damaged, workers in the mine can be easily injured, and the hoisting machine has great potential safety hazards. In order to solve the problem, the applicant has provided two technical solutions of a fall-preventing mining elevator, specifically refer to the chinese utility model patents with publication numbers CN207243199U and CN207243199U, respectively. In the two technical schemes, the anti-falling mining elevator with the publication number of CN207243199U has the disadvantages of complex structural design, more equipment and instruments and complicated operation in actual use; although the structure of the anti-falling mining elevator with the publication number of CN207243199U is simplified, in practical use, the insection at the right end of the rotating rod and the insection on the insection plate of the key part of the clamping structure are easy to wear and disengage after long-term use, the falling of a hopper or a cage cannot be effectively prevented, the starting of the clamping structure needs to depend on an electromagnetic switch to generate a power-off signal, the timeliness and effectiveness of signal transmission of the electromagnetic switch under the condition of sudden power-off are difficult to guarantee, and the anti-falling mining elevator becomes one of potential safety hazards.

Disclosure of Invention

An object of the utility model is to provide a mining lifting machine of preventing falling improves through the chucking mechanism to the present lifting machine of preventing falling, in the further simplification of implementation structure, improves mining lifting machine's the reliability of preventing falling, ensures that can effectively prevent hopper or cage from appearing falling rapidly when the outage condition is prorupted and leading to the problem that the incident takes place.

In order to achieve the above object, the utility model provides a following technical scheme:

a falling-prevention mining lifter comprises a base, a rotating rod and a winding reel, wherein a pair of supporting seats with the same structure are installed on the upper wall surface of the base, a pair of first through holes with the same structure are formed in the pair of supporting seats, a pair of first bearings with the same structure are installed in the pair of first through holes, the rotating rod penetrates through the pair of first bearings, the winding reel is fixedly sleeved on the rotating rod and located between the pair of supporting seats, a first gear is fixedly sleeved at the left end of the rotating rod, a braking mechanism is installed at the left side of the base, and a clamping mechanism is arranged above the rotating rod;

the brake mechanism includes: the device comprises a limiting box, a first electromagnetic block, a second electromagnetic block, a bearing plate, an antimagnetic box, a servo motor, a rotating shaft and a second gear;

the limiting box is arranged on the left side of the base, a second through hole is formed in the upper wall face of the limiting box, the first electromagnetic block is arranged on the lower wall face of the limiting box, the second electromagnetic block is arranged on the upper wall face of the limiting box and is of a convex structure, the upper wall face of the second electromagnetic block penetrates through a second through hole in the limiting box, the bearing plate is arranged on the upper wall face of the second electromagnetic block, the antimagnetic box is arranged on the upper wall face of the bearing plate, the servo motor is arranged on the lower wall face of the antimagnetic box, the driving end of the servo motor penetrates through the right side wall face of the antimagnetic box, the rotating shaft is arranged at the driving end of the servo motor, and the second gear.

Furthermore, the clamping mechanism comprises a support frame, a hanging rod, a baffle plate, a clamping groove, a connecting rod and a stop rod vertically and fixedly connected to the right end of the rotating rod;

the supporting frame is arranged on the upper wall surface of the base, the end part of the supporting frame is magnetically connected with one end of the suspender through a magnetic assembly, and the other end of the suspender is fixedly connected to the middle part of the baffle; the baffle is -shaped, is transversely arranged above the pair of supporting seats and comprises a left baffle, a middle transverse plate and a right baffle which are fixedly connected in sequence, the length of the middle transverse plate is greater than the distance between the pair of supporting seats, and the right baffle is arranged above the stop lever; the clamping groove is arranged at the top of the supporting seat, is matched with the middle transverse plate of the baffle and is used for clamping and fixing the baffle; the connecting rod is in an inverted L shape, one end of the connecting rod is fixedly connected to the outer side wall of the left baffle, and the other end of the connecting rod is fixedly connected to the top of the antimagnetic box;

when the baffle is hung on the support frame through the hanging rod, the distance between the bottom of the middle cross rod and the bottom of the clamping groove is consistent with the distance between the second electromagnetic block and the first electromagnetic block after the brake mechanism is electrified, and a gap non-contact position relationship is formed between the left baffle and the first gear, and between the right baffle and the stop lever; when the baffle is completely clamped into the clamping groove downwards, a gap non-contact position relation is formed between the left baffle and the first gear, and a blocking position relation is formed between the right baffle and the stop lever.

Furthermore, an elastic buffer layer is arranged on the outer side wall of the stop lever.

Furthermore, an elastic buffer layer is arranged on the inner side wall of the clamping groove.

Further, the magnetic assembly is a magnet.

Further, the baffle is made of light hard materials.

Further, the light hard material is a hard aluminum alloy plate.

The utility model discloses during the use, when the lifting machine suddenly takes place the power failure condition at work, the magnetic force of first electromagnetic block and second electromagnetic block disappears, the second electromagnetic block downward movement can be followed to the servo motor, thereby make the second gear break away from first gear, meanwhile, the connecting rod of connection at antimagnetic box top can stimulate the baffle downwards, the baffle atress breaks away from the support frame and in the draw-in groove is gone into to the card downwards, be the position relation that blocks between its right side baffle behind the draw-in groove and the pin to the baffle card, the right side baffle can block the rotation of pin promptly, make the pin keep quiescent condition, thereby block the bull stick and rotate, and then make bobbin stall, prevent hopper or cage tenesmus. Therefore, compared with the prior art, the utility model has the advantages of simple and reasonable structure, the cost is low, convenient to use, and the device is difficult for wearing and tearing, and structural stability is good, and the reliability of preventing falling is high, and the security is high.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural diagram of the baffle of the present invention when the baffle is clamped into the clamping groove.

Fig. 3 is a schematic view of the dynamic state of the blocking plate inserted into the slot.

In the figure: 1. a base; 2. a supporting seat; 3. a rotating rod; 4. a spool; 5. a first gear; 6. a limiting box; 7. a first electromagnetic block; 8. a second electromagnetic block; 9. a carrier plate; 10. a antimagnetic box; 11. a servo motor; 12. a second gear; 13. a support frame; 14. a magnetic assembly; 15. a boom; 16. a baffle plate; 161. a left baffle; 162. a middle transverse plate; 163. a right baffle; 17. a card slot; 18. a connecting rod; 19. a stop lever; 191. an elastic buffer layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-3, the mining anti-falling hoist comprises a base 1, a rotating rod 3 and a winding reel 4, wherein a pair of supporting seats 2 with the same structure are installed on the upper wall surface of the base 1, a pair of first through holes with the same structure are formed in the pair of supporting seats 2, a pair of first bearings with the same structure are installed in the pair of first through holes, the rotating rod 3 penetrates through the pair of first bearings, the winding reel 4 is fixedly sleeved on the rotating rod 3 and is located between the pair of supporting seats 2, a first gear 5 is fixedly sleeved at the left end of the rotating rod 3, a braking mechanism is installed at the left side of the base 1, and a clamping mechanism is installed above the rotating rod 3; the brake mechanism includes: the device comprises a limiting box 6, a first electromagnetic block 7, a second electromagnetic block 8, a bearing plate 9, an antimagnetic box 10, a servo motor 11, a rotating shaft and a second gear 12; the limiting box 6 is arranged on the left side of the base 1, a second through hole is formed in the upper wall surface of the limiting box, the first electromagnetic block 7 is arranged on the inner lower wall surface of the limiting box 6, the second electromagnetic block 8 is arranged on the upper wall surface of the limiting box 6, and the lower wall surface of the second electromagnetic block 8 is matched with the upper wall surface of the first electromagnetic block 7; the second electromagnetic block 8 is of a convex structure, the upper wall surface of the second electromagnetic block penetrates through a second through hole in the limiting box 6, the bearing plate 9 is arranged on the upper wall surface of the second electromagnetic block 8, the antimagnetic box 10 is arranged on the upper wall surface of the bearing plate 9, the servo motor 11 is arranged on the inner lower wall surface of the antimagnetic box 10, the driving end of the servo motor penetrates through the right side wall surface of the antimagnetic box 10, the rotating shaft is arranged at the driving end of the servo motor 11, the second gear 12 is sleeved on the rotating shaft and meshed with the first gear 5, and the clamping mechanism comprises a supporting frame 13, a hanging rod 15, a baffle 16, a clamping groove 17, a connecting rod 18 and a baffle rod 19 vertically and fixedly connected to the right end of;

the supporting frame 13 is arranged on the upper wall surface of the base 1, and the end part of the supporting frame is magnetically connected with one end of a suspender 15 through a magnetic component 14, in the embodiment, the magnetic component 14 is a magnet; the other end of the hanger rod 15 is fixedly connected with the middle part of the baffle 16; the baffle 16 is shaped like , is transversely arranged above the pair of supporting seats 2, and comprises a left baffle 161, a middle transverse plate 162 and a right baffle 163 which are fixedly connected in sequence, wherein the length of the middle transverse plate 162 is greater than the distance between the pair of supporting seats 2, and the right baffle 163 is arranged above the stop lever 19; the clamping groove 17 is arranged at the top of the supporting seat 2, is matched with a middle transverse plate 162 of the baffle plate 16, and is used for clamping and fixing the baffle plate 16; the connecting rod 18 is in an inverted L shape, one end of the connecting rod is fixedly connected to the outer side wall of the left baffle 161, and the other end of the connecting rod is fixedly connected to the top of the antimagnetic box 10; in other embodiments, one end of the connecting rod 18 may be further fixedly connected to the outer side wall of the middle cross plate 162, that is, the connecting rod 18 is shaped like a space zigzag, one end of the connecting rod is fixedly connected to the outer side wall of the middle cross plate 162, and after the space is completed, the other end of the connecting rod is fixedly connected to the top of the antimagnetic box 10.

When the baffle 16 is hung on the support frame 13 through the hanger rod 15, the distance between the bottom of the middle cross rod 162 and the bottom of the clamping groove 17 is consistent with the distance between the second electromagnetic block 8 and the first electromagnetic block 7 of the brake mechanism after the brake mechanism is electrified, and a gap non-contact position relationship is formed between the left baffle 161 and the first gear 5 and between the right baffle 163 and the stop lever 19; when the baffle 16 is completely inserted into the slot 17, the left baffle 161 is in a clearance non-contact position with the first gear 5, and the right baffle 163 is in a blocking position with the stop lever 19.

Preferably, the outer side wall of the stopper rod 19 is provided with an elastic buffer layer 191, and the inner side wall of the locking groove 17 is also provided with an elastic buffer layer, in this embodiment, the elastic buffer layer 191 is a rubber elastic buffer layer, so that when the stopper rod 19 collides with the right baffle 163, the collision impact force can be reduced, and the elastic buffer layer in the locking groove 17 can reduce the collision impact force between the baffle 16 and the locking groove 17.

Preferably, the baffle 16 is made of a lightweight hard material, and in this embodiment, the lightweight hard material is a hard aluminum alloy plate.

The following is a description of the shapes and materials of the first electromagnetic block, the second electromagnetic block and the antimagnetic box in the scheme;

a first electromagnetic block: rectangular electromagnet of MW5-160L/1 type.

The second electromagnetic block: the convex electromagnet is of MW 5-160L/1.

The antimagnetic box: a rectangular box made of H62 copper.

All the electrical components in the present application are connected with the power supply adapted to the electrical components through the wires, and an appropriate controller should be selected according to actual conditions to meet the control requirements, and specific connection and control sequences should be obtained.

As shown in the attached figures 1-3, when the elevator works, the first electromagnetic block 7 and the second electromagnetic block 8 can lift the second electromagnetic block 8 upwards due to the magnetic suspension force of the power on, the second electromagnetic block 8 can not lift out of the limit box 6 due to the function of the limit box 6, the second electromagnetic block 8 drives the anti-magnetic box 10 and the servo motor 11 to move upwards, the servo motor 11 is designed to have the rising height just to enable the first gear 5 and the second gear 12 to be meshed, the anti-magnetic box 10 has good anti-magnetic effect, so that the servo motor 11 is not influenced by the external magnetic force when working, after receiving a working signal, the servo motor 11 drives the driving end to rotate the rotating shaft, the rotating shaft drives the second gear 12 to rotate, the second gear 12 drives the rotating rod 3 to rotate, and at the moment, the elevator works normally, when the elevator suddenly has a power failure during working, first electromagnetism piece 7 disappears with the magnetic force of second electromagnetism piece 8, servo motor 11 can follow second electromagnetism piece 8 and move down, thereby make second gear 12 break away from first gear 5, meanwhile, the connecting rod 18 of connection at antimagnetic box 10 top can stimulate baffle 16 downwards, baffle 16 atress breaks away from support frame 13 and in the draw-in groove 17 is gone into to the card down, baffle 16 card is gone into and is blockked the position relation between its right side baffle 163 and the pin 19 behind the draw-in groove 17, right side baffle 163 can block the rotation of pin 19 promptly, make pin 19 keep quiescent condition, thereby block bull stick 3 and rotate, and then make the reel 4 stall, prevent hopper or cage tenesmus.

Other technical features than those described in the specification are known to those skilled in the art.

In the above description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which the products of the present invention are conventionally placed in use, or the position or positional relationship which those skilled in the art conventionally understand, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

The foregoing is considered as illustrative only of certain exemplary embodiments of this invention, and is therefore to be understood that the drawings and descriptions will be regarded as illustrative in nature and not as restrictive. It should also be noted that, for those skilled in the art, a plurality of improvements and additions can be made in various ways without departing from the principles of the present invention, and these improvements and additions should also be considered as the protection scope of the present invention.

Claims

1. A falling-prevention mining lifter comprises a base, a rotating rod and a winding reel and is characterized in that a pair of supporting seats with the same structure are mounted on the upper wall surface of the base, a pair of first through holes with the same structure are formed in the pair of supporting seats, a pair of first bearings with the same structure are mounted in the pair of first through holes, the rotating rod penetrates through the pair of first bearings, the winding reel is fixedly sleeved on the rotating rod and located between the pair of supporting seats, a first gear is fixedly sleeved at the left end of the rotating rod, a braking mechanism is mounted at the left side of the base, and a clamping mechanism is arranged above the rotating rod;

the brake mechanism includes: the device comprises a limiting box, a first electromagnetic block, a second electromagnetic block, a bearing plate, an antimagnetic box, a servo motor, a rotating shaft and a second gear; the limiting box is arranged on the left side of the base, a second through hole is formed in the upper wall face of the limiting box, the first electromagnetic block is arranged on the lower wall face of the limiting box, the second electromagnetic block is arranged on the upper wall face of the limiting box and is of a convex structure, the upper wall face of the second electromagnetic block penetrates through a second through hole in the limiting box, the bearing plate is arranged on the upper wall face of the second electromagnetic block, the antimagnetic box is arranged on the upper wall face of the bearing plate, the servo motor is arranged on the lower wall face of the antimagnetic box, the driving end of the servo motor penetrates through the right side wall face of the antimagnetic box, the rotating shaft is arranged at the driving end of the servo motor, and the second gear.

2. The anti-falling mining hoist as claimed in claim 1, characterized in that the clamping mechanism comprises a support frame, a suspension rod, a baffle plate, a clamping groove, a connecting rod, and a stop rod vertically and fixedly connected to the right end of the rotating rod; the supporting frame is arranged on the upper wall surface of the base, the end part of the supporting frame is magnetically connected with one end of the suspender through a magnetic assembly, and the other end of the suspender is fixedly connected to the middle part of the baffle; the baffle is -shaped, is transversely arranged above the pair of supporting seats and comprises a left baffle, a middle transverse plate and a right baffle which are fixedly connected in sequence, the length of the middle transverse plate is greater than the distance between the pair of supporting seats, and the right baffle is arranged above the stop lever; the clamping groove is arranged at the top of the supporting seat, is matched with the middle transverse plate of the baffle and is used for clamping and fixing the baffle; the connecting rod is in an inverted L shape, one end of the connecting rod is fixedly connected to the outer side wall of the left baffle, and the other end of the connecting rod is fixedly connected to the top of the antimagnetic box;

3. The mining elevator that prevents falling as described in claim 2, wherein the outside wall of the blocking lever is provided with an elastic buffer layer.

4. The mining elevator that prevents falling as recited in claim 2, characterized in that the inside wall of the slot is provided with an elastic buffer layer.

5. The fall arrest mining hoist as claimed in claim 2, wherein the magnetic assembly is a magnet.

6. The mining elevator that prevents falling as described in claim 2, wherein the baffle is made of lightweight hard material.

7. The machine for preventing falling of mine as claimed in claim 6, characterized in that the light hard material is hard aluminum alloy plate.