CN210029678U - Cage lifting anti-falling device for shaft well building construction - Google Patents
Cage lifting anti-falling device for shaft well building construction Download PDFInfo
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- CN210029678U CN210029678U CN201920816063.2U CN201920816063U CN210029678U CN 210029678 U CN210029678 U CN 210029678U CN 201920816063 U CN201920816063 U CN 201920816063U CN 210029678 U CN210029678 U CN 210029678U
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Abstract
The utility model discloses a shaft well construction cage lift anti-falling device is built to shaft. The cage comprises a cage with a steel frame structure, wherein the cage is provided with a lifting device and an anti-falling device which run in a matched mode; the lifting device comprises a lifting pulley block, a lifting steel cable and a lifting winch; the lifting pulley block comprises four groups of lifting pulleys and two groups of head pulleys, the lifting pulleys are symmetrically and fixedly arranged at the top of the cage, and the two groups of head pulleys are fixedly arranged on the top surface of the vertical shaft; the lifting steel cable consists of two parallel same lifting steel cables, one end of each lifting steel cable is fixed on the top surface of the vertical shaft, sequentially bypasses two groups of opposite lifting pulleys, and then bypasses a head sheave on the corresponding top surface and is connected with a lifting winch; the lifting winch is a double-drum coaxial winch; the anti-falling device comprises an anti-falling pulley block, an anti-falling steel cable and an anti-falling winch. The utility model is used during the well construction period, no cage guide is needed, and the cage does not rotate; the utility model discloses equipment does not possess the installation and brakes under wire rope's the prerequisite bottom during well construction, also can realize preventing weighing down the function through preventing weighing down the catcher.
Description
Technical Field
The utility model belongs to the technical field of the architectural equipment manufacturing and designing, especially, belong to the shaft and build conveyer design technical field, the cage lift anti-falling device of constructor, the perpendicular transportation of equipment during especially, hydraulic and hydroelectric engineering shaft is built to the in particular to architectural engineering shaft.
Background
In the building engineering, particularly the water conservancy and hydropower construction engineering, the construction of the vertical shaft is called 'valley of death', the construction safety risk of the vertical shaft is high, and the construction difficulty is high. In the existing conventional shaft construction, most of the conventional shaft construction adopts hoisting equipment of a winch and personnel to hoist a shaft, the safety configuration of the winch is low, and the risk is far higher than that of a winch. The face is constantly dug down during shaft well construction, and the cage can't set up steady rope, and single rope promotes the cage, and the cage rotation is uncontrollable. And once the steel wire rope is broken, the life safety of workers is directly threatened. In recent years, winches are gradually used, but the mining winches and cages are not suitable for underground shaft construction conditions in hydraulic and hydroelectric engineering, and the falling protector cannot be directly applied to the hydraulic and hydroelectric engineering.
Disclosure of Invention
The utility model discloses a well construction cage lift anti-falling device is built to shaft according to prior art's not enough. The utility model provides a shaft device that is used for shaft to promote personnel or equipment during well is built to shaft solves and can't set up under the condition of cage guide and safety hook during the well is built, and the shaft promotes the cage and prevents that rotation prevents weighing down the problem, improves the security during the well is built to the shaft simultaneously.
The utility model discloses a following technical scheme realizes:
shaft well construction cage lift anti-falling device, cage including steel frame construction, its characterized in that: the cage is provided with a lifting device and an anti-falling device which run in a matched mode;
the lifting device comprises a lifting pulley block, a lifting steel cable and a lifting winch; the lifting pulley block comprises four groups of lifting pulleys and two groups of head pulleys, the four groups of lifting pulleys are symmetrically and fixedly arranged at the top of the cage, and the two groups of head pulleys are fixedly arranged on the top surface of the shaft and correspondingly matched with the two groups of lifting pulleys on one side; the lifting steel cable consists of two parallel same lifting steel cables, one end of each lifting steel cable is fixed on the top surface of the vertical shaft, and the lifting steel cables are sequentially wound around two groups of opposite lifting pulleys and then connected with a lifting winch after being wound around the head sheave on the corresponding top surface; the lifting winch is a double-drum coaxial winch, and two parallel lifting steel wire ropes are respectively and synchronously connected with two drums of the winch.
The anti-falling device comprises an anti-falling pulley block, an anti-falling steel cable and an anti-falling winch; the anti-falling pulley block comprises two groups of anti-falling pulleys which are respectively and oppositely fixed on the top surface of the vertical shaft; the anti-falling steel cable comprises two anti-falling steel wire ropes which are parallel and identical, one end of each anti-falling steel wire rope is fixedly connected with the same balance weight, and the anti-falling steel wire ropes sequentially pass through the anti-falling catcher and then are connected with the anti-falling winch by bypassing the anti-falling pulley; the anti-falling winch is a double-drum coaxial winch, and two parallel anti-falling steel wire ropes are respectively and synchronously connected with two drums of the winch.
Four groups of lifting pulleys of the lifting pulley block are symmetrically and fixedly arranged on the upper plane of a connecting platform, and the bottom surface of the connecting platform is fixedly connected with the top surface of the cage through connecting pins.
And further, the two lifting steel wire ropes are wound around the two opposite lifting pulleys respectively to form a cross operation structure with a height difference.
The anti-falling catcher is arranged in the middle of two opposite side edges of the cage.
The utility model discloses a two lift wire rope lifting cage are gone out to the coaxial winch of twin drum, hang the cage main part on the lifting pulley group, and the lift pulley also promotes together when promoting the cage. The lifting cage is lifted in a movable pulley mode, the crossed lifting pulleys are symmetrically arranged on the cage, and two lifting steel wire ropes are changed into four lifting steel wire ropes to be lifted up and down together after passing through the lifting pulleys. The lifting steel wire rope has torsion after being stressed, the movement direction is changed through the lifting pulley block fixed on the cage, the direction is opposite to the torsion borne by the rope strand, the two torsion are mutually offset, the multi-rope lifting is more stable, and the cage cannot rotate.
The utility model discloses a prevent that wire rope from splitting, the cage falls, avoids blasting excavation to brake wire rope destruction, adopts to set up alone and prevents weighing down the wire rope system, prevents weighing down the wire rope system and adopts about another double drum winch lifting counter weight. The anti-falling steel wire rope penetrates through the cage and is connected below the cage in a configuration mode, and the anti-falling steel wire rope is arranged at the bottom of the vertical shaft during conventional construction, so that the anti-falling steel wire rope has certain tension; when the lower part needs blasting operation or cage lifting, the cage is lifted to the well mouth, and then the anti-falling steel wire rope and the counter weight are lifted, so that blasting damage can be avoided.
The utility model discloses can set up hookup platform fixing device on cage main part upper portion, utilize the connecting pin will prevent weighing down and catch the ware and be connected with the hookup platform, hookup platform top surface arranges four group's symmetry cross lift pulleys, utilizes the action power of four-point hanging position to offset, can prevent that the cage rotation from falling.
The utility model is used during the well construction period, no cage guide is needed, and the cage does not rotate; the utility model discloses equipment does not possess the installation and brakes under wire rope's the prerequisite bottom during well construction, also can realize preventing weighing down the function through preventing weighing down the catcher.
Drawings
FIG. 1 is a schematic view of the structure of the apparatus of the present invention;
FIG. 2 is a schematic side view of the apparatus of the present invention;
FIG. 3 is a schematic view of the front structure of the apparatus of the present invention;
fig. 4 is a schematic top view of the fixing device of the present invention;
fig. 5 is a schematic view of the escape passage and rope hole of the device of the present invention.
In the figure, 1 is a pulley block A, 2 is a pulley block B, 3 is a connecting platform, 4 is a connecting pin, 5 is an anti-falling catcher, 6 is a cage body, 7 is an anti-falling rope hole, 8 is a cage guide rope hole, 9 is an escape channel, 10 is a steel wire rope A, 11 is a steel wire rope B, 12 is a head sheave, 13 is a fixed point, 14 is a double-drum winch A, 15 is a double-drum winch B, 16 is an anti-falling pulley, 17 is an anti-falling steel wire rope, 18 is a counterweight, 1-1 is a pulley A1, 1-2 is a pulley A2, 2-1 is a pulley B1, and 2-2 is a pulley B2.
Detailed Description
The present invention will be further described with reference to the following embodiments, which are intended to illustrate the principles of the present invention without limiting the present invention in any way, and the present invention is not beyond the scope of the present invention.
With reference to the attached drawings.
As shown in the figure, 2 lifting steel wire ropes are parallelly led out from a coaxial double-drum coaxial winch A14 to lift the cage, the cage body 6 is hung on a pulley block mechanism, and a lifting pulley is lifted together when the cage is lifted. The lifting cage is lifted in a movable pulley mode, two groups of lifting pulleys which are symmetrically crossed in a cross mode are oppositely arranged on the cage in pairs, and two lifting steel wire ropes are changed into four steel wire ropes to be lifted up and down together after passing through the lifting pulleys. The lifting steel wire rope has torsion after being stressed, the movement direction is changed through the lifting pulley block fixed on the cage, the two torsion are mutually offset, and the cage is better stable and cannot rotate when a plurality of ropes are lifted. For preventing wire rope fracture, the cage falls, avoids blasting excavation again to prevent weighing down wire rope destruction, the utility model discloses set up alone and prevent weighing down the wire rope system, prevent weighing down the wire rope system and adopt another coaxial twin drum winch B15 to promote about counter weight 18. The anti-falling steel wire rope and the counter weight 18 are firstly placed at the bottom of the well before the cage is arranged below the cage, so that the anti-falling steel wire rope has certain tension, and when the lower part needs blasting operation, the cage is firstly lifted to the well mouth, and then the anti-falling steel wire rope and the counter weight 18 are lifted.
As shown in the figure, the embodiment specifically provides a multi-rope lifting anti-rotation anti-falling cage for shaft construction, which comprises a pulley block A and a pulley block B which are oppositely arranged; the pulley block A comprises a pulley A1 and a pulley A2, and the pulley block B comprises a pulley B1 and a pulley B2; the anti-falling cage comprises a connecting platform 3, a connecting pin 4, an anti-falling catcher 5, a cage body 6, an anti-falling rope hole 7, a cage guide rope hole 8, an escape channel 9, a steel wire rope A10, a steel wire rope B11, a head sheave 12, a fixed point 13, a coaxial double-drum winch A14, a coaxial double-drum winch B15, an anti-falling pulley 16, an anti-falling steel wire rope 17 and a counterweight 18.
The shaft is provided with a coaxial double-drum winch A14, a steel wire rope A10 and a steel wire rope B11 are coaxially and parallelly led out, and the cage device is lifted in a movable pulley mode. After the winch goes out of the rope, each steel wire rope enters the device through the head sheave 12.
The process of lifting the steel wire rope into the device: the steel cable A10 is fed from the coaxial double-drum winch A14, goes through the head sheave 12, enters the pulley A2, passes through the pulley A1 and is fixed to the fixed point 13. The steel cable B11 is fed from the coaxial double-drum winch 14, enters the pulley B1 through the head sheave 12, passes through the pulley B2 and is fixed to the fixed point 13. The coaxial double drum winch 14 lifts the device up and down.
The pulley block A comprises a pulley A1 and a pulley A2, the pulley block B comprises a pulley B1 and a pulley B2, and 4 pulleys are symmetrically arranged on the connecting platform 3 through bolts. In order to prevent the two lifting steel wire ropes from interfering with each other, the center of the pulley block A is 4cm higher than the center of the pulley block B.
The connecting platform 3 adopts a steel frame structure and is used for installing the pulley block A and the pulley block B; the connecting pin 4 connects the anti-falling catcher 5 with the connecting platform 3.
Prevent weighing down and arrest ware 5 and adopt BF111 to arrest the ware, upper portion is passed through connecting pin 4 and is connected with 3 fixing device of hookup platform, and the lower part is connected with cage body 6. When the steel wire rope A10 and the steel wire rope B11 are both broken, the anti-falling catcher 5 starts to catch the anti-falling steel wire rope 17, and the cage body 6 is prevented from falling.
The cage body 6 is used for loading personnel or equipment and is connected with the anti-falling catcher 5 into a whole. And is provided with an anti-falling rope hole 7, a cage guide rope hole 8 and an escape passage 9.
The coaxial double-drum winch A14 is used for lifting the cage body 6 up and down, and the coaxial double-drum winch B15 is used for lifting the anti-falling steel wire rope 17 up and down.
The anti-falling steel wire rope 17 passes through the top anti-falling pulley 16 and then passes through the anti-falling rope hole 7 to lift the counterweight 18. The anti-falling steel wire rope 17 can have certain tension, and the working requirement of the anti-falling catcher 8 is met.
Engineering example:
some power station exhaust shaft 175m, it is circular that excavation diameter section 3.5m, and the excavation process adopts the device to carry out the shaft personnel and promotes, and the excavation working face constantly changes, does not set up under the condition of cage guide, promotes the irrotational of process cage. When the steel wire rope of the cage pulley block simulates the fracture condition, the cage can effectively catch the brake rope.
Claims (5)
1. The utility model provides a shaft well construction cage lift anti-falling device, includes steel frame construction's cage, its characterized in that: the cage is provided with a lifting device and an anti-falling device which run in a matched mode;
the lifting device comprises a lifting pulley block, a lifting steel cable and a lifting winch; the lifting pulley block comprises four groups of lifting pulleys and two groups of head pulleys, the four groups of lifting pulleys are symmetrically and fixedly arranged at the top of the cage, and the two groups of head pulleys are fixedly arranged on the top surface of the shaft and correspondingly matched with the two groups of lifting pulleys on one side; the lifting steel cable consists of two parallel same lifting steel cables, one end of each lifting steel cable is fixed on the top surface of the vertical shaft, and the lifting steel cables are sequentially wound around two groups of opposite lifting pulleys and then connected with a lifting winch after being wound around the head sheave on the corresponding top surface; the lifting winch is a double-drum coaxial winch, and two parallel lifting steel wire ropes are respectively and synchronously connected with two drums of the winch.
2. The vertical shaft construction cage lifting anti-falling device is characterized in that: the anti-falling device comprises an anti-falling pulley block, an anti-falling steel cable and an anti-falling winch; the anti-falling pulley block comprises two groups of anti-falling pulleys which are respectively and oppositely fixed on the top surface of the vertical shaft; the anti-falling steel cable comprises two anti-falling steel wire ropes which are parallel and identical, one end of each anti-falling steel wire rope is fixedly connected with the same balance weight, and the anti-falling steel wire ropes sequentially pass through the anti-falling catcher and then are connected with the anti-falling winch by bypassing the anti-falling pulley; the anti-falling winch is a double-drum coaxial winch, and two parallel anti-falling steel wire ropes are respectively and synchronously connected with two drums of the winch.
3. The vertical shaft construction cage lifting anti-falling device is characterized in that: four groups of lifting pulleys of the lifting pulley block are symmetrically and fixedly arranged on the upper plane of a connecting platform, and the bottom surface of the connecting platform is fixedly connected with the top surface of the cage through connecting pins.
4. The vertical shaft construction cage lifting anti-falling device according to claim 2 or 3, characterized in that: the two lifting steel wire ropes are wound around the two opposite lifting pulleys respectively to form a cross operation structure with a height difference.
5. The vertical shaft construction cage lifting anti-falling device is characterized in that: the anti-falling catcher is arranged in the middle of two opposite side edges of the cage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920816063.2U CN210029678U (en) | 2019-06-01 | 2019-06-01 | Cage lifting anti-falling device for shaft well building construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920816063.2U CN210029678U (en) | 2019-06-01 | 2019-06-01 | Cage lifting anti-falling device for shaft well building construction |
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| Publication Number | Publication Date |
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| CN210029678U true CN210029678U (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920816063.2U Active CN210029678U (en) | 2019-06-01 | 2019-06-01 | Cage lifting anti-falling device for shaft well building construction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114105022A (en) * | 2020-09-01 | 2022-03-01 | 广东博智林机器人有限公司 | Hoisting system |
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2019
- 2019-06-01 CN CN201920816063.2U patent/CN210029678U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114105022A (en) * | 2020-09-01 | 2022-03-01 | 广东博智林机器人有限公司 | Hoisting system |
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