CN217172894U - Temporary twisting-changing structure for coal mine shaft - Google Patents
Temporary twisting-changing structure for coal mine shaft Download PDFInfo
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- CN217172894U CN217172894U CN202220837362.6U CN202220837362U CN217172894U CN 217172894 U CN217172894 U CN 217172894U CN 202220837362 U CN202220837362 U CN 202220837362U CN 217172894 U CN217172894 U CN 217172894U
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Abstract
The utility model provides a colliery shaft changes hank structure temporarily, be in including derrick and setting two promotion head sheave of derrick top, it sets up on the head sheave platform to promote the head sheave, the head sheave platform sets up on the girder, the girder is square and center and promotion central line coincidence, the side and the promotion central line of girder are parallel, main cage, the vice cage of head sheave platform below are parallel with shaft bottom horse head door central line respectively. The utility model discloses effectively solved and promoted the problem that the hank was temporarily changed under central line and the coincidence condition of shaft bottom horse head central line, shortened the time that temporarily changes the hank, satisfied the requirement that the owner side built the ore deposit fast, construction safety and quality obtain effectual assurance.
Description
Technical Field
The utility model relates to a mine construction equipment, concretely relates to colliery shaft changes hank structure temporarily.
Background
In the construction of coal mine shafts, shaft construction is shifted to the second-stage engineering of underground main roadway construction after shaft construction is completed, in order to meet the construction requirements of safety, rapidness and high efficiency, the temporary winching change link of the coal mine shaft is indispensable, grouting is carried out on the shaft wall after the shaft construction of a main shaft is completed, temporary winching change work is carried out after the grouting is completed, the lifting of an original bucket is mainly changed into cage lifting, and other auxiliary facilities such as a head sheave platform, a sealing plate and a hanging steel wire rope in the shaft are correspondingly modified and changed, so that the requirements of lifting, air supply, water supply, drainage and ventilation in the second-stage engineering roadway construction are met, the construction period of the winching change is short, the tasks are heavy, and the processes are multiple.
Usually, when a shaft construction scheme is compiled, the problem that a lifting center line is superposed with the center line of a shaft bottom ingate must be considered, because the shaft ingate is the joint of a shaft of the shaft and a shaft bottom yard, the shaft ingate is similar to an ingate in shape and is a transfer point of ore, equipment, materials and personnel, if the lifting center line is not superposed with the center line of the shaft bottom ingate, a lifting machine needs to be shifted, a derrick needs to rotate in the direction, the operation is complex, a plurality of devices are adjusted, the whole construction progress is increased, and the temporary twisting changing efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a colliery shaft changes hank structure temporarily to solve the conventional problem that changes the inefficiency of hank scheme.
In order to achieve the purpose, the utility model provides a colliery shaft changes hank structure temporarily, be in including derrick and setting two promotion head pulleys of derrick top, its characterized in that, it sets up on head pulley platform to promote the head pulley, the head pulley platform sets up on the girder, the girder is square and center and the coincidence of promotion central line, the side of girder is parallel with the promotion central line, main cage, the vice cage of head pulley platform below are parallel with shaft bottom horse head door central line respectively.
In order to facilitate installation of the brake rope tensioning device, cage guide tensioning fixed beams are respectively arranged on two sides of the head sheave platform, and the cage guide tensioning fixed beams are obliquely connected between the head sheave platform and the main beam.
In order to solve the parallel stable arrangement of the main cage and the auxiliary cage, the lifting head sheave is arranged on the head sheave platform in parallel front and back.
In order to ensure the stable operation of the whole structure, the head sheave platform comprises a plurality of head sheave seat beams which are transversely erected on the main beam, and the head sheave seat beams are fixedly connected through a fixed beam.
Furthermore, cage buffers are arranged on the head sheave seat beam, and impact is relieved when the main cage and the auxiliary cage ascend or descend and stop.
In order to avoid the steel wire rope from rubbing the steel beam of the head sheave platform, the lifting head sheave is arranged on the head sheave platform through a heightening base.
Has the advantages that: the utility model discloses effectively solved and promoted the problem that the hank was temporarily changed under central line and the well bottom ingate central line condition of not coinciding, shortened the time of temporarily changing the hank, satisfied the requirement that the owner side built the ore deposit fast, construction safety and quality obtain effectual assurance, compare with traditional scheme, have reduced lifting machine foundation construction and lifting machine dismouting, have reduced the dismouting of construction derrick foundation construction and construction derrick, shorten 90 days in the time, practice thrift construction cost 90 ten thousand.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a cross-sectional view A-A of FIG. 1;
FIG. 4 is a schematic structural view of the main beam of FIG. 3;
fig. 5 is a cross-sectional view of B-B in fig. 1.
Reference numerals: 1. a derrick; 2. lifting the head sheave; 3. a head sheave platform; 4. a main beam; 5. lifting the center line; 6. a bottom hole ingate centerline; 7. a main cage; 8. an auxiliary cage; 9. a drain pipe; 10. pressing an air pipe; 11. a water supply pipe; 12. the cage guide tightens the fixed beam; 13. a head sheave seat beam; 14. a fixed beam; 15. a cage buffer; 16. heightening the base; 17. a fore shaft disc; 18. a reinforcement.
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the drawings, but the present invention is not limited to these embodiments, and the modifications made to the present invention are also within the scope of the claims of the present invention without departing from the principles of the present invention.
Example 1
As shown in fig. 1-5, a temporary twist-changing structure for a coal mine shaft comprises a derrick 1 and a hoisting head sheave 2 arranged above the derrick 1, wherein the hoisting head sheave 2 is arranged on a head sheave platform 3, the head sheave platform 3 is arranged on a main beam 4, the hoisting center line 5 is not superposed with a central line 6 of a horsehead at the bottom of a well to form an included angle of 54 degrees 45' 56 ″, the main beam 4 is square, the center of the main beam is superposed with the hoisting center line 5, the side edges of the main beam 4 are parallel to the hoisting center line 5, a main cage 7 and an auxiliary cage 8 below the head sheave platform 3 are parallel to the central line 6 of the horsehead at the bottom of the well and are arranged in bilateral symmetry, and a water supply pipe 11, a water discharge pipe 9 and a compressed air pipe 10 are arranged along the wall of the well.
In this embodiment, cage guide tensioning fixing beams 12 are respectively arranged on two sides of the head sheave platform 3, the cage guide tensioning fixing beams 12 are obliquely connected between the head sheave platform 3 and the main beam 4, and a brake rope tensioning device is arranged above the cage guide tensioning fixing beams 12.
In this embodiment, the hoisting sheave 2 is arranged in parallel in the front and back direction on the sheave platform 3, and the parallel stable operation of the main cage 7 and the auxiliary cage 8 is ensured.
In this embodiment, the head sheave platform 3 includes a plurality of head sheave seat beams 13, the head sheave seat beams 13 are transversely erected on the main beam 4, the head sheave seat beams 13 are fixedly connected by the fixing beam 14, and the head sheave seat beams 13 are provided with a plurality of cage buffers 15.
In this embodiment, the hoisting head sheave 2 is disposed on the head sheave platform 3 through the heightening base 16, so as to prevent the steel wire rope from rubbing the steel beam of the head sheave platform 3.
In this embodiment, derrick 1 below is equipped with fore shaft dish 17, and fore shaft dish 17 passes through reinforcement 18 and connects the well head, prevents that collapse of structure soil layer from noticing the support around the well head, improves whole firm durability.
Installation process: installation preparation → installation of a shaft pipeline from bottom to top → temporary sealing of a wellhead → laying of cables from top to bottom → installation of a steel beam and a platform at the bottom of a well → installation of a jacket frame and a head sheave platform 3 on the well → suspension of a steel cable, a main cage 7 and an auxiliary cage 8 → test, acceptance and completion.
The central line 6 of a horsehead door at the bottom of a well is taken as a reference central line, a main cage 7 and an auxiliary cage 8 are arranged, the positions of a hoisting head pulley 2, a stabilizing rope and a braking rope are determined according to the positions of the main cage 7 and the auxiliary cage 8 and the hoisting central line 5, the positions of a steel wire rope on-well tensioning device and a bottom-well fixing device are determined according to the positions of the stabilizing rope and the braking rope, a first auxiliary vertical shaft is communicated with a tile pumping well, and systems such as drainage, compressed air, power supply and the like can be shared; firstly, installing a shaft device of the tile pumping well, temporarily changing the twist of the first auxiliary coal mine shaft, and then forming a negative pressure ventilation system; the pipeline is hung on the well wall in a support combined hanging mode, the high-voltage cable is hung on the well wall by a steel wire rope, and the communication signal cable is fixed by a well wall combined support; before temporary hank change of the auxiliary coal mine shaft I, putting underground substation equipment into a well in advance, and completing installation work of the underground substation equipment during hank change; all facilities in the shaft of the tile pumping well are recovered, the derrick 1 is disassembled, a temporary well cover door is installed at the wellhead, and a temporary main fan operates to form a negative pressure ventilation system.
Mounting of the head sheave platform 3: the hoisting head sheave 2 is firstly disassembled, then the main beam 4 is disassembled, and then new steel beams and equipment are installed. In order to save time, the head sheave platform 3 is assembled on the ground in a one-step hoisting and positioning mode, and the steel wire rope tensioning device is installed according to a design position after the head sheave platform 3 is aligned.
Installation of cage (main cage 7 and auxiliary cage 8): firstly, steel wire ropes are recovered on a stable vehicle, then hoisting head sheaves 2 are fixed on a head sheave platform 3 again, the steel wire ropes are sequentially arranged below the stable vehicle, the left and right directions are distinguished in the process of the lower part, after the lower part is in place, the steel wire ropes are temporarily locked at a well mouth through a buckle at the well mouth, the steel wire ropes are measured to a good size, the steel wire ropes pass through an upper tensioning device, and the like, and finally, a cage is hung.
Claims (6)
1. The utility model provides a colliery shaft changes hank structure temporarily, includes derrick (1) and sets up two promotion head sheave (2) above derrick (1), its characterized in that: promote head sheave (2) and set up on head sheave platform (3), head sheave platform (3) set up on girder (4), girder (4) are square and its center and promote central line (5) coincidence, two of them sides of girder (4) are parallel with promotion central line (5), main cage (7), vice cage (8) of head sheave platform (3) below are parallel with shaft bottom horse head door central line (6) respectively.
2. The temporary hank structure for a coal mine shaft according to claim 1, wherein: cage guide tensioning fixed beams (12) are respectively arranged on two sides of the head sheave platform (3), and the cage guide tensioning fixed beams (12) are obliquely arranged between the head sheave platform (3) and the main beam (4).
3. The temporary lease structure for a coal mine shaft according to claim 1 or 2, wherein: the two lifting head sheaves (2) are arranged on the head sheave platform (3) in parallel front and back.
4. The temporary hank structure for a coal mine shaft according to claim 3, wherein: the head sheave platform (3) comprises a plurality of head sheave seat beams (13), the head sheave seat beams (13) are transversely erected on the main beam (4), and the head sheave seat beams (13) are fixedly connected through a fixing beam (14).
5. The temporary hank structure for a coal mine shaft according to claim 4, wherein: and a cage buffer (15) is arranged on the head sheave seat beam (13).
6. A temporary lease structure for a coal mine shaft according to claim 1, 2, 4 or 5, characterized in that: the lifting head sheave (2) is arranged on the head sheave platform (3) through a heightening base (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220837362.6U CN217172894U (en) | 2022-04-12 | 2022-04-12 | Temporary twisting-changing structure for coal mine shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220837362.6U CN217172894U (en) | 2022-04-12 | 2022-04-12 | Temporary twisting-changing structure for coal mine shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217172894U true CN217172894U (en) | 2022-08-12 |
Family
ID=82708670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220837362.6U Active CN217172894U (en) | 2022-04-12 | 2022-04-12 | Temporary twisting-changing structure for coal mine shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217172894U (en) |
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2022
- 2022-04-12 CN CN202220837362.6U patent/CN217172894U/en active Active
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