CN212450227U - Personnel lifting system capable of being used in excavation mine - Google Patents
Personnel lifting system capable of being used in excavation mine Download PDFInfo
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- CN212450227U CN212450227U CN202020830321.5U CN202020830321U CN212450227U CN 212450227 U CN212450227 U CN 212450227U CN 202020830321 U CN202020830321 U CN 202020830321U CN 212450227 U CN212450227 U CN 212450227U
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Abstract
The utility model discloses a personnel lifting system which can be used in the excavation of mine, comprising a derrick on the ground of a shaft well mouth, wherein the derrick is provided with two layers, a fixed pulley is arranged on the derrick on the top layer, and a rope stabilizing pulley is arranged on the derrick on the bottom layer; the fixed pulley is matched with a main rope at the top end of a cage in the shaft; the rope stabilizing pulley is matched with a stabilizing rope which is arranged on safety tongs on two sides of the cage in a penetrating way; one end of the stabilizing rope penetrating through the safety gear is provided with a stabilizing disc positioned at the bottom side of the cage through a connecting rope, and the other end of the stabilizing rope penetrates through a stabilizing rope pulley and is connected with the vehicle stabilizer; the stable disc is in a tray shape capable of supporting the bottom of the cage, and a camera is arranged on the stable disc; the main rope is connected with the winch through the fixed pulley. The utility model aims at providing a safe high efficiency need not fix steady rope in the mine bottom, can be at the personnel hoisting system of shaft construction stage direct use.
Description
Technical Field
The utility model relates to a shaft construction equipment field especially relates to a personnel lift system that can use in the excavation mine.
Background
In traditional mine engineering, a cage is special equipment for transporting personnel to go up and down a well and lifting coal, broken stone, materials and equipment, and is key equipment for ensuring normal production of a mine and safe access of personnel to the well. The cage is after mine excavation is strutted and is accomplished, install when quarrying the mine, its theory of operation is similar with the elevator, two steady ropes pass the overspeed governor-safety tongs device of cage side, steady rope both ends are fixed respectively in derrick and shaft bottom department, the winch is connected through a main rope with the cage, the cage promotes from top to bottom through main rope traction, consequently it is higher to adopt the cage to promote the security, after main rope fracture, the safety tongs can brake, fixes the cage on steady rope, prevents that the cage from falling.
However, the cage is installed and used after the mine construction is completed, during the well construction, the bottom of the stable rope cannot be fixed and the cage cannot be installed due to the fact that continuous blasting excavation is needed, the cross section of the mine is small, the working face is limited, and the single-rope bucket is usually adopted for personnel lifting. The shortcomings of the bucket relative to the cage are obvious, and mainly comprise:
(1) the lifting bucket is not provided with a stable rope, and when the lifting bucket is used for lifting, the lifting bucket is easy to shake and rotate, so that the safety is poor;
(2) the bucket does not have overspeed governor safety gear, lacks necessary capture device, in case the probability that takes place the accident that falls is higher.
In recent years, mine construction safety accidents caused by the bucket are mostly caused by the falling of the bucket due to the shaking of the bucket. And traditional cage device need fix the rope that stabilizes in the mine bottom, and need constantly blast the excavation in the work progress, consequently can't use in the construction stage, consequently urgently need a safe high efficiency, need not fix the rope that stabilizes in the mine bottom, can be at the personnel hoisting system of shaft construction stage direct use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome not enough among the above-mentioned prior art, aim at providing a safe high efficiency, need not fix steady rope in the mine bottom, can be at the personnel hoist system of shaft construction stage direct use.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a personnel lifting system capable of being used in mine excavation comprises a derrick on the ground of a shaft well head, wherein the derrick is provided with two layers, a fixed pulley is arranged on the derrick on the top layer, and a rope stabilizing pulley is arranged on the derrick on the bottom layer; the fixed pulley is matched with a main rope at the top end of a cage in the shaft; the rope stabilizing pulley is matched with a stabilizing rope which is arranged on safety tongs on two sides of the cage in a penetrating way; one end of the stabilizing rope penetrating through the safety gear is provided with a stabilizing disc positioned at the bottom side of the cage through a connecting rope, and the other end of the stabilizing rope penetrates through a stabilizing rope pulley and is connected with the vehicle stabilizer; the stable disc is in a tray shape capable of supporting the bottom of the cage, and a camera is arranged on the stable disc; the main rope is connected with the winch through the fixed pulley.
Furthermore, a shaft cover plate is arranged on a well mouth of the shaft, a through hole is formed in the shaft cover plate corresponding to the cage, and a protective guard is arranged around the cage.
Furthermore, the rope stabilizing pulleys are provided with two pulleys.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model provides a steady rope passes safety tongs, and the snap-on is on the steady dish of cage bottom side, through safety tongs to and suspend in midair at the steady dish of cage bottom side, prevent that the cage from falling. Make surely restrict and need not fix in the shaft bottom, let the cage just can carry out personnel and transport in the shaft construction stage, along with the increase of shaft degree of depth in the work progress, further release surely restrict and main rope, can continue hoist and mount downwards the cage, make the utility model discloses can use in the whole journey of shaft construction.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a middle cage of the present invention;
fig. 3 is a schematic structural diagram of the middle stable plate of the present invention.
Description of reference numerals:
the method comprises the following steps of 1-a cage, 2-safety tongs, 3-stable discs, 4-main ropes, 5-stable ropes, 6-protective barriers, 7-a shaft cover plate, 8-a stable vehicle, 9-a winch, 10-a derrick, 11-a rope-stabilizing pulley, 12-a fixed pulley, 13-a connecting rope and 14-a camera.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 to 3, a personnel lifting system which can be used in excavating a mine comprises a derrick 10 on the ground of a shaft wellhead, wherein the derrick 10 is provided with two layers, a fixed pulley 12 is arranged on the derrick 10 at the top layer, and a rope-stabilizing pulley 11 is arranged on the derrick 10 at the bottom layer; the fixed pulley 12 is matched with the main rope 4 at the top end of the cage 1 in the vertical shaft; the rope stabilizing pulley 11 is matched with a rope stabilizing pulley 5 which is arranged on the safety gear 2 at two sides of the cage 1 in a penetrating way; one end of the stabilizing rope 5 penetrating through the safety gear 2 is provided with a stabilizing disc 3 positioned at the bottom side of the cage 1 through a connecting rope 13, and the other end of the stabilizing rope 5 penetrates through a rope stabilizing pulley 11 to be connected with a vehicle stabilizer 8; the stable disc 3 is in a tray shape capable of supporting the bottom of the cage 1, and a camera 14 is arranged on the stable disc 3; the main rope 4 is connected with a winch 9 through a fixed pulley 12; a shaft cover plate 7 is arranged on a well mouth of the shaft, a through hole is formed in the shaft cover plate 7 corresponding to the cage 1, and a protective guard 6 is arranged around the cage 1; two rope stabilizing pulleys 11 are arranged.
The utility model discloses in dark big shaft work progress, reach safe, reliable, efficient transportation effect through cage and steady dish assurance personnel safety from top to bottom. The utility model discloses mainly pull main rope 4 by winch 9 and promote cage 1, steady car 8 pulls steady rope 5 and makes steady dish 3 stretch into the shaft bottom in advance or follow cage 1 and promote, and steady rope 5 can prevent that the cage from taking place to rock in the transportation, and when main rope 4 breaks accidentally, safety tongs 2 can grasp steady rope 5, still can rely on steady dish 5 to hold cage 1 and prevent 1 tenesmus of cage under the extreme condition, prevents the casualties. Meanwhile, the cage falling accidentally can be lifted to the ground by the stable rope 5 pulled by the stable vehicle 8, and people in the cage can be conveniently rescued.
When the vertical shaft is constructed, personnel are needed to go into the well when a blasting point is excavated. Firstly, two stabilizing vehicles 8 in the control room lower the stabilizing disc 3 at the same speed, and the position of the stabilizing disc 3 is observed through the length change of the camera 14 on the stabilizing disc 3 and the stabilizing rope 5. When the construction surface of the bottom of the vertical shaft is reached, the speed of the stable vehicle is slowed down until the stable disc 3 is safely and stably placed to the construction surface, then a constructor enters the cage 1 on the vertical shaft cover plate 7, the winch 9 is controlled to slowly place the cage 1 until the construction surface is reached, and the constructor opens the cage to safely reach the construction surface.
When the blast hole construction is completed and the blasting is to be prepared, personnel need to return to the ground, constructors enter the cage 1 again, the control room controls the winch 9 to work, the cage 1 is lifted at a constant speed, the speed is slowed down when the blast hole construction reaches the well surface until the cage cover plate 7 is reached, after the constructors go out of the cage 1, the two stable vehicles 8 are controlled to work, the stable disc 3 is lifted at a constant speed, the position of the stable disc 3 is judged again through the length change of the camera 14 and the stable rope 5, the lifting is stopped when the length of the stable disc is increased to a position beyond the blasting influence height, and the blasting is performed again.
By the method, personnel can be guaranteed to go up and down the well quickly and efficiently during construction. When the cage 1 is accidentally broken by the main rope 4 in the personnel conveying process, the utility model can also ensure the safety of constructors. When the cage falls rapidly at 4 fracture main ropes, the trend forces the work of safety gear 2 to press from both sides tight both sides and stabilize rope 5, prevents cage 1 to continue to fall, and behind the tight steady rope 5 of 1 both sides of cage of safety gear 2 clamp, can utilize steady car 8 to pull two steady ropes 5 and slowly promote cage 1 to the shaft apron. When cage 1 tenesmus when violently, cage 1's effect of holding also can be played to steady dish 5 of cage 1 bottom side, makes the utility model discloses have the effect of secondary protection, guarantee constructor's safety, can reduce the degree of difficulty of personnel's rescue when avoiding unexpected the emergence.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. A personnel lift system for use in excavating a mine comprising a derrick above the ground of a shaft wellhead, characterized by: the derrick is provided with two layers, a fixed pulley is arranged on the derrick on the top layer, and a rope stabilizing pulley is arranged on the derrick on the bottom layer; the fixed pulley is matched with a main rope at the top end of a cage in the shaft; the rope stabilizing pulley is matched with a stabilizing rope which is arranged on safety tongs on two sides of the cage in a penetrating way; one end of the stabilizing rope penetrating through the safety gear is provided with a stabilizing disc positioned at the bottom side of the cage through a connecting rope, and the other end of the stabilizing rope penetrates through a stabilizing rope pulley and is connected with the vehicle stabilizer; the stable disc is in a tray shape capable of supporting the bottom of the cage, and a camera is arranged on the stable disc; the main rope is connected with the winch through the fixed pulley.
2. A personnel lift system for use in excavating a mine according to claim 1, wherein: a shaft cover plate is arranged on a well mouth of the shaft, a through hole is formed in the shaft cover plate corresponding to the cage, and a protective guard is arranged around the cage.
3. A personnel lift system for use in excavating a mine according to claim 1, wherein: the rope stabilizing pulleys are provided with two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020830321.5U CN212450227U (en) | 2020-05-18 | 2020-05-18 | Personnel lifting system capable of being used in excavation mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020830321.5U CN212450227U (en) | 2020-05-18 | 2020-05-18 | Personnel lifting system capable of being used in excavation mine |
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| Publication Number | Publication Date |
|---|---|
| CN212450227U true CN212450227U (en) | 2021-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020830321.5U Active CN212450227U (en) | 2020-05-18 | 2020-05-18 | Personnel lifting system capable of being used in excavation mine |
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| CN (1) | CN212450227U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113697628A (en) * | 2021-08-31 | 2021-11-26 | 铜陵有色金属集团股份有限公司 | Emergency mechanical driving method for heavy fault of auxiliary shaft lifting system |
-
2020
- 2020-05-18 CN CN202020830321.5U patent/CN212450227U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113697628A (en) * | 2021-08-31 | 2021-11-26 | 铜陵有色金属集团股份有限公司 | Emergency mechanical driving method for heavy fault of auxiliary shaft lifting system |
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Address after: 300051 No. 239, Yingkou Road, Heping District, Tianjin Patentee after: Tianjin municipal engineering design and Research Institute Co.,Ltd. Address before: 300051 No. 239, Yingkou Road, Heping District, Tianjin Patentee before: TIANJIN MUNICIPAL ENGINEERING DESIGN & Research Institute |