Narrow and small space underground vertical shaft lifting device
By using multi-directional pulleys and fixed pulleys to guide the wire rope in the underground shaft hoisting device, the problems of large footprint and cage rotation of traditional devices have been solved, achieving stability and convenience in construction in confined spaces, and reducing construction difficulty and maintenance complexity.
Patent Information
- Application Number
- CN202520141354.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-21
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-01-21
AI Technical Summary
Traditional underground shaft hoisting devices for hydropower stations have problems such as large footprint, easy self-spinning of the cage, and inability to install stabilizing ropes, resulting in high construction difficulty and high labor intensity.
The underground shaft hoisting device is used in a confined space. Multiple steering pulleys and fixed pulleys guide the wire rope, so that the first winch and the hoist are arranged alternately to avoid the cage from rotating, save installation space, and prevent the cage from spinning by stabilizing the rope.
It enables stable construction in confined spaces, reduces construction difficulty and labor intensity, and simplifies the installation and maintenance process.
Smart Images

Figure CN223906334U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to underground vertical shaft manned hoisting technical field especially narrow space underground vertical shaft hoisting device. BACKGROUND
[0002] With the development of new power system of new energy as the main body in our country, the demand of pumped storage industry is increasing, by 2035, the installed capacity of pumped storage in our country will increase to 300 million kilowatts, the vertical shaft is the conventional part of the function structure design of pumped storage power station, its construction safety has been the focus of pumped storage power station construction, underground vertical shaft hoisting device is needed during underground vertical shaft excavation construction, the traditional underground vertical shaft hoisting device of hydropower station has problems such as large floor area, cage easy to spin, and stable rope cannot be installed. CONTENT OF UTILITY MODEL
[0003] The utility model aims at solving the shortage of prior art, providing a narrow space underground vertical shaft hoisting device to improve the construction environment, reduce the construction difficulty and labor intensity.
[0004] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:
[0005] A narrow space underground vertical shaft hoisting device, comprising: a first winch, a winch arranged at the left front of the winch, an inlet platform arranged above the inlet of the tail water surge shaft, a derrick arranged above the inlet platform, a cage arranged below the derrick, two safety anti-falling devices arranged on both sides of the cage respectively, a third diverting pulley and a fourth diverting pulley arranged below the cage, a first sky anchor arranged above the derrick, a first fixed pulley and a first anchor point arranged at the bottom of the first sky anchor, a second fixed pulley arranged at the top of the derrick, a first diverting pulley and a second diverting pulley arranged on the end wall of the upper chamber of the vertical shaft, a steel wire rope and a stable rope; the first diverting pulley rope entry position is aligned with the winch rope exit position, the first diverting pulley rope exit position is opposite to the second diverting pulley rope entry position, and the second diverting pulley rope exit position is aligned with the second fixed pulley rope entry position; the first diverting pulley and the second diverting pulley are at a certain angle with the horizontal plane;
[0006] One end of the steel wire rope is connected with the winch, and the other end of the steel wire rope passes through the first diverting pulley, the second diverting pulley, the second fixed pulley and the top of the cage in sequence and is connected with the top of the cage;
[0007] One end of the stable rope is connected with the first winch, and the other end of the stable rope passes through the first fixed pulley, the right side safety anti-falling device of the cage, the third diverting pulley, the fourth diverting pulley, the left side safety anti-falling device of the cage and finally connects with the first anchor point.
[0008] Preferably, the inlet platform is fixed to the inlet of the tail water surge shaft through an anchor rod.
[0009] Preferably, the anchor is fixed on the top of the tail water surge tank by a rod.
[0010] Preferably, the wellhead platform is composed of a rectangular platform of several shaped steel, channel steel, patterned steel plate and steel pipe, the derrick is composed of a rectangular frame of several steel pipes and shaped steel, the derrick forms a rectangular cavity, the cage can be accommodated in the cavity, the derrick is arranged on the top of the wellhead platform, and the derrick legs are welded and fixed with the main beams of the wellhead platform.
[0011] Preferably, the winch is a double-cylinder winch, and the first steering pulley and the second steering pulley are each provided with two groups.
[0012] Preferably, the first steering pulley and the second steering pulley are fixed on the shaft wall of the upper chamber by anchor bolts, and the first steering pulley and the second steering pulley are each arranged at an angle of 30-50° with the horizontal plane.
[0013] Preferably, the right side of the first hoist is provided with a second hoist, the right side of the first anchor is provided with a second anchor, the bottom of the second anchor is provided with a pulley, one end of a steel wire rope is connected with the second hoist, and the other end of the steel wire rope is connected with a shackle through the pulley.
[0014] The utility model discloses a narrow space underground vertical shaft hoisting device has the following beneficial effects.
[0015] The utility model discloses a first hoist, winch, wellhead platform, derrick, cage, safety anti -fall device, steering pulley, fixed pulley, anchor and steel wire rope, through the guidance of multiple steering pulley and fixed pulley to the guidance of steel wire rope, realize first hoist and winch staggered arrangement, when avoiding cage rotation, realize smaller floor area, has saved the installation space, adapts the construction demand of narrow environment, and the structure is stable, and the construction is convenient, and the simple, and the operation and maintenance are simple. ACCURACY
[0016] Figure 1 It is the front view structure schematic drawing of the utility model.
[0017] Figure 2 It is the front view structure schematic drawing of the utility model.
[0018] Figure 3 It is the first steering pulley and the second steering pulley arrangement schematic drawing of the utility model.
[0019] Figure 4 It is the structure schematic drawing of embodiment 2 of the utility model.
[0020] In the drawings: 1 - first hoist; 2 - winch; 3 - wellhead platform; 4 - derrick; 5 - first top anchor; 501, first fixed pulley; 502, first anchoring point; 6 - cage; 7 - safety anti-falling device; 8 - first diverting pulley; 9 - second diverting pulley; 10 - second fixed pulley; 11 - stabilizing rope; 12 - steel wire rope; 13 - third diverting pulley; 14 - fourth diverting pulley; 15 - tail water surge shaft; 16 - surge shaft upper chamber; 17 - shaft upper chamber end wall; 18 - anchor rod; 19 - second hoist; 20 - second top anchor. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application.
[0022] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. Embodiment 1
[0023] Reference Figures 1 to 3 A narrow space underground shaft lifting device, comprising: a first hoist 1, a winch 2 arranged at the left front of the hoist, a wellhead platform 3 arranged above the wellhead of a tail water surge shaft 15, a derrick 4 arranged above the wellhead platform 3, a cage 6 arranged below the derrick 4, two safety anti-falling devices 7 arranged on both sides of the cage 6 respectively, a third diverting pulley 13 and a fourth diverting pulley 14 arranged below the cage 6, a first top anchor 5 arranged above the derrick 4, a first fixed pulley 501 and a first anchoring point 502 arranged at the bottom of the first top anchor 5, a second fixed pulley 10 arranged at the top of the derrick 4, a first diverting pulley 8 and a second diverting pulley 9 arranged on the shaft upper chamber end wall 17, a steel wire rope 12, and a stabilizing rope 11; the first diverting pulley 8 is aligned with the winch 2 in terms of rope entry position, the first diverting pulley 8 is opposite to the second diverting pulley 9 in terms of rope exit position, and the second diverting pulley 9 is aligned with the second fixed pulley 10 in terms of rope entry position; the first diverting pulley 8 and the second diverting pulley 9 each form a certain angle with the horizontal plane; the distance between the third diverting pulley 13 and the fourth diverting pulley 14 is slightly greater than the distance between the two safety anti-falling devices 7. The third diverting pulley 13 and the fourth diverting pulley 14 are fixed at the bottom of the tail water surge shaft 15.
[0024] Steel wire rope 12 one end with winch 2, steel wire rope 12 the other end in turn through the first deflection pulley 8, second deflection pulley 9, second fixed pulley 10 and cage 6 top connection; winch 2 steel wire rope 12 through the first deflection pulley 8, second deflection pulley 9 after passing through the derrick 4 fixed pulley traction cage 6. Winch 2 traction cage 6 ascension.
[0025] Stabilizing rope 11 one end with the first hoist 1, stabilizing rope 11 the other end in turn through the first fixed pulley 501, cage 6 right side safety anti-falling device 7, third deflection pulley 13, fourth deflection pulley 14, cage 6 left side safety anti-falling device 7 finally with the first anchor point 502 connection. First hoist 1 tight stabilizing rope 11, avoid traction cage 6 ascension or descent from the spin. In this embodiment, the first hoist 1 and winch 2 staggered arrangement, through the first deflection pulley 8, second deflection pulley 9, second fixed pulley 10 deflection, can ensure that the steel wire rope 12 into the pulley angle, save the installation space of the first hoist 1 and winch 2 installation, the first hoist 1 and winch 2 do not have to be arranged in the same straight line, can avoid the cage 6 rotation, small footprint.
[0026] As preferred, in this embodiment, the wellhead platform 3 and through the anchor rod 18 fixed in the tail water surge tank 15 wellhead.
[0027] As preferred, in this embodiment, the top anchor is fixed on the top of the surge tank upper chamber 16 through the anchor rod 18.
[0028] As preferred, in this embodiment, the wellhead platform 3 is composed of a rectangular platform of several steel, channel steel, patterned steel plate, steel pipe, the derrick 4 is composed of a rectangular frame of several steel pipes and steel, the derrick 4 forms a rectangular cavity, which can accommodate the cage 6, the derrick 4 is arranged on the top of the wellhead platform 3, and the derrick 4 legs are welded and fixed with the main beam of the wellhead platform 3.
[0029] As preferred, in this embodiment, the winch 2 is a double cylinder winch 2, and the first deflection pulley 8 and the second deflection pulley 9 are each provided with two groups.
[0030] As preferred, in this embodiment, the first deflection pulley 8 and the second deflection pulley 9 are fixed on the shaft upper chamber end wall 17 through anchor bolts, and the first deflection pulley 8 and the second deflection pulley 9 are each arranged at an angle between 30-50° with the horizontal plane. Embodiment 2
[0031] Please refer to Figure 4, based on embodiment 1, in this embodiment, the first winch 1 right side is provided with the second winch 19, the first anchor 5 right side is provided with the second anchor 20, the second anchor 20 bottom is provided with the pulley, the second winch 19 is connected with a wire rope 12, the wire rope 12 other end passes through the pulley and is connected with the shackle, through the second winch 19 traction wire rope 12 hoists the construction material.
[0032] The above is only the preferred embodiment of the present application, but the protection scope of the present application is not limited to this. Substitution can be the substitution of part of the structure, device, method step, or the complete technical solution. According to the technical scheme of the present application and the utility model concept, equivalent substitution or change should be covered in the protection scope of the present application.
Claims
1. A confined space underground shaft hoisting arrangement characterised in that, It includes: The first winch (1), the winch (2) arranged in the left front of the winch, the wellhead platform (3) arranged above the wellhead of the tail water surge shaft (15), the derrick (4) arranged above the wellhead platform (3), the cage (6) arranged below the derrick (4), two safety anti-falling devices (7) arranged on both sides of the cage (6) respectively, the third diverting pulley (13) and the fourth diverting pulley (14) arranged below the cage (6), the first sky anchor (5) arranged above the derrick (4), the first fixed pulley (501) and the first anchor point (502) arranged at the bottom of the first sky anchor (5), the second fixed pulley (10) arranged at the top of the derrick (4), the first diverting pulley (8) and the second diverting pulley (9) arranged on the shaft upper chamber end wall (17), the steel wire rope (12), the stabilizing rope (11); the first diverting pulley (8) is aligned with the winch (2) out of the rope position, the first diverting pulley (8) is opposite to the second diverting pulley (9) out of the rope position, the second diverting pulley (9) is aligned with the second fixed pulley (10) in the rope position; the first diverting pulley (8) and the second diverting pulley (9) are both at a certain angle with the horizontal plane; The steel wire rope (12) is connected with the winch (2) at one end, and the other end of the steel wire rope (12) is sequentially connected with the cage (6) top through the first diverting pulley (8), the second diverting pulley (9), the second fixed pulley (10); The stabilizing rope (11) is connected with the first winch (1) at one end, and the other end of the stabilizing rope (11) is sequentially connected with the first anchor point (502) through the first fixed pulley (501), the right safety anti-falling device (7) of the cage (6), the third diverting pulley (13), the fourth diverting pulley (14), the left safety anti-falling device (7) of the cage (6).
2. A confined space underground shaft lifting device according to claim 1, characterised in that, The wellhead platform (3) is fixed on the wellhead of the tail water surge shaft (15) through the anchor rod (18).
3. A confined space underground shaft lifting device according to claim 1, characterised in that, The sky anchor is fixed on the top of the upper chamber of the tail water surge shaft (15) through the anchor rod (18).
4. A confined space underground shaft lifting device according to claim 1, characterised in that, The wellhead platform (3) is composed of a rectangular platform formed by a plurality of shaped steel, channel steel, patterned steel plate and steel pipe, the derrick (4) is composed of a rectangular frame formed by a plurality of steel pipes and shaped steel, the derrick (4) forms a rectangular cavity, the cage (6) can be accommodated in the cavity, the derrick (4) is arranged on the top of the wellhead platform (3), and the derrick (4) leg is welded and fixed with the main beam of the wellhead platform (3).
5. A confined space underground shaft lifting device according to claim 1, characterised in that, The winch (2) is a double cylinder winch (2), and the first diverting pulley (8) and the second diverting pulley (9) are both provided with two groups.
6. A confined space underground shaft lifting device according to claim 1 or 5, characterised in that, The first diverting pulley (8) and the second diverting pulley (9) are fixed on the shaft upper chamber end wall (17) through anchor bolts, and the first diverting pulley (8) and the second diverting pulley (9) are both arranged at an angle between 30-50° with the horizontal plane.
7. A confined space underground shaft lifting device as claimed in claim 1, characterised in that, The second winch (19) is arranged on the right side of the first winch (1), the second sky anchor (20) is arranged on the right side of the first sky anchor (5), the pulley is arranged at the bottom of the second sky anchor (20), one steel wire rope (12) is connected with the second winch (19), and the other end of the steel wire rope (12) is connected with the shackle through the pulley.