Fall arrester device and operation method based on double-column construction hoist

Abstract

The invention discloses a fall arrester device and an operation method based on a double-column construction elevator, comprising a double-column construction elevator, a cage structure, a standard section assembly, and a synchronous fall arrester device; the synchronous fall arrester device comprises: a SAJ-type fall arrester, a small gear box, an intermediate gear box, a large gear box, a first gear box shaft, a second gear box shaft, a third gear box shaft, a first transmission gear, a second transmission gear, a third transmission gear, a fourth transmission gear, a fifth transmission gear, a first flange, a second flange, and a transmission shaft. When the cage structure operating speed exceeds the SAJ-type fall arrester calibrated action speed of 0.9m / s, the SAJ-type fall arrester will drive the transmission gear assembled on the SAJ-type fall arrester to start braking, and through gear meshing and shaft transmission, braking on both sides of the cage structure is achieved. The invention solves the problems of poor fall prevention performance and insufficient safety performance of the double-column construction elevator.

Description

Technical Field

[0001] The invention relates to a synchronous fall arrester device, belonging to the technical field of elevators, and specifically to a synchronous fall arrester device based on a double-column construction elevator and an operating method. Background Art

[0002] With the development of economy and the improvement of people's living standards, the number of high-rise buildings is also increasing day by day. Construction elevators are usually built in high-rise buildings for the transportation of goods and the flow of personnel. However, the safety performance of construction elevators is generally poor. Double-column construction elevators without anti-fall devices or with poor anti-fall mechanisms are obviously unreasonable in design and pose safety hazards. For double-column construction elevators, guide rails need to be set on both sides to improve their safety and reliability. Summary of the invention

[0003] In order to overcome the defects of the prior art and improve the safety and reliability of the double-column construction elevator, the purpose of the present invention is to provide a synchronous fall arrester device and an operating method based on the double-column construction elevator to solve the problems raised in the above background technology. The technical solution is as follows:

[0004] It includes a double-column construction elevator 1, a cage structure 1-1, a standard section assembly 1-2 fixedly installed on the left and right sides of the cage structure 1-1, a synchronous anti-fall device 2, an SAJ type anti-fall safety device 2-1, a small gear box 2-2, an intermediate gear box 2-3, a large gear box 2-4, a first gear box shaft 2-5, a second gear box shaft 2-6, a third gear box shaft 2-7, a first transmission gear 2-8, a second transmission gear 2-9, a third transmission gear 2-10, a fourth transmission gear 2-11, a fifth transmission gear 2-12, a first flange 2-13, a second flange 2-14, and a transmission shaft 2-15.

[0005] The double-column construction elevator 1 includes a cage structure 1-1 and a standard section assembly 1-2;

[0006] The cage structure 1-1 is used for passengers and cargo to pass up and down;

[0007] The standard section assembly 1-2 is fixedly installed on the left and right sides of the cage structure 1-1 to provide a track for the cage structure 1-1 to move up and down;

[0008] The synchronous anti-fall device 2 includes: a SAJ type anti-fall safety device 2-1, a small gear box 2-2, an intermediate gear box 2-3, a large gear box 2-4, a first gear box shaft 2-5, a second gear box shaft 2-6, a third gear box shaft 2-7, a first transmission gear 2-8, a second transmission gear 2-9, a third transmission gear 2-10, a fourth transmission gear 2-11, a fifth transmission gear 2-12, a first flange 2-13, a second flange 2-14, and a transmission shaft 2-15.

[0009] The SAJ type anti-fall safety device 2-1 is fixedly installed on the top right side of the cage structure 1-1 and is connected to the large gear box 2-4 by bolts;

[0010] The small gear box 2-2 is fixedly mounted on the left side of the top of the cage structure 1-1 and is connected to the cage structure 1-1 by bolts;

[0011] The intermediate gear box 2-3 is fixedly installed in the middle of the top of the cage structure 1-1 and is connected to the cage structure 1-1 by bolts;

[0012] The large gearbox 2-4 is fixedly mounted on the top right side of the cage structure 1-1 and connected to the cage structure 1-1 by bolts;

[0013] Two first gearbox shafts 2-5 are fixedly mounted on the left and right sides of the top of the cage structure 1-1, respectively, and are coaxially assembled with the holes on the small gearbox 2-2 and the large gearbox 2-4;

[0014] The second gearbox shaft 2-6 is fixedly mounted in the middle of the top of the cage structure 1-1 and is coaxially assembled with the hole on the intermediate gearbox 2-3;

[0015] Two third gearbox shafts 2-7 are fixedly mounted in the middle and right sides of the top of the cage structure 1-1, respectively, and are coaxially assembled with the holes on the middle gearbox 2-3 and the large gearbox 2-4;

[0016] Four first transmission gears 2-8 are fixedly installed on the left, middle and right sides of the top of the cage structure 1-1, respectively. The first transmission gear 2-8 on the left side is coaxially assembled with the first gearbox shaft 2-5, the first transmission gear 2-8 on the right side is meshed with the first gearbox shaft 2-5 and the second transmission gear 2-9 on the right side for transmission, and the first transmission gear 2-8 in the middle is coaxially assembled with the second gearbox shaft 2-6 and meshed with the fourth transmission gear 2-11 for transmission;

[0017] Four second transmission gears 2-9 are respectively fixedly mounted on the left and right sides of the top of the cage structure 1-1, and mesh with the racks on the standard section assembly 1-2 for transmission;

[0018] The two third transmission gears 2-10 are fixedly mounted on the top right side of the cage structure 1-1, and are coaxially assembled with the SAJ type anti-fall safety device 2-1 and the first gear box shaft 2-5, and are meshed with the fifth transmission gear 2-12 for transmission at the same time;

[0019] The two fourth transmission gears 2-11 are fixedly installed in the middle of the top of the cage structure 1-1, are coaxially assembled with the third gearbox shaft 2-7, and are meshed with the first transmission gear 2-8 and the fourth transmission gear 2-11 for transmission;

[0020] The fifth transmission gear 2-12 is fixedly mounted on the top right side of the cage structure 1-1, is coaxially assembled with the third gearbox shaft 2-7, and is meshed with the third transmission gear 2-10 for transmission;

[0021] Four first flanges 2-13 are fixedly mounted on the left, middle and right sides of the top of the cage structure 1-1, respectively. The first flanges 2-13 on the left and right sides are coaxially matched with the first gearbox shaft 2-5, and the first flange 2-13 in the middle is coaxially matched with the second gearbox shaft 2-6;

[0022] Four second flanges 2-14 are respectively fixedly mounted on the left, middle and right sides of the top of the cage structure 1-1, and are connected to the first flange 2-13 by bolts to achieve the purpose of transmission;

[0023] The two transmission shafts 2-15 are respectively fixedly mounted on the left and right sides of the top of the cage structure 1-1 and are welded together with the second flange 2-14 to achieve the purpose of transmission.

[0024] When the running speed of the cage structure 1-1 exceeds the calibrated action speed of 0.9m / s of the SAJ type anti-fall safety device 2-1, the SAJ type anti-fall safety device 2-1 will drive the third transmission gear 2-10 installed on the SAJ type anti-fall safety device 2-1 to start braking, and the third transmission gear 2-10 and the fifth transmission gear 2-12 are engaged and braked, and the fifth transmission gear 2-12 is engaged and braked with the first transmission gear 2-8, and the first transmission gear 2-8 is coaxially assembled with the second transmission gear 2-9, so that the second transmission gear 2-9 is braked, thereby achieving braking of the right side of the cage structure 1-1. Driven by the third transmission gear 2-10, the first gearbox shaft 2-5 on the right drives the first flange 2-13 to start braking, the first flange 2-13 drives the second flange 2-14 bolted thereto to start braking, the second flange 2-14 drives the right transmission shaft 2-15 connected thereto to start braking, the right transmission shaft 2-15 drives the second flange 2-14 to start braking, the second flange 2-14 drives the first flange 2-13 bolted thereto to start braking, the first flange 2-13 drives its second gearbox shaft 2-6 to start braking, the second gearbox shaft 2-6 drives the first transmission gear 2-8 to start braking, the first transmission gear 2-8 and the fourth transmission gear 2-11 engage in braking, the fourth transmission gear 2-11 engages in braking with the first transmission gear 2-8, the first transmission gear 2-8 drives The second gearbox shaft 2-6 brakes, the second gearbox shaft 2-6 drives the first flange 2-13 to brake, the first flange 2-13 drives the second flange 2-14 bolted thereto to brake, the second flange 2-14 drives the transmission shaft 2-15 connected thereto to brake, the transmission shaft 2-15 drives the second flange 2-14 to brake, the second flange 2-14 drives the first flange 2-13 to brake, the first flange 2-13 drives the first gearbox shaft 2-5 coaxially connected thereto to brake, the first gearbox shaft 2-5 drives the first transmission gear 2-8 to start braking, the first transmission gear 2-8 and the second transmission gear 2-9 are coaxially assembled, so that the second transmission gear 2-9 brakes, and the second transmission gear 2-9 drives the rack meshing brake on the standard section assembly 1-2, so as to achieve the braking of the left side of the cage structure (1-1). Because the braking devices are all rigid bodies, there is no order of braking, and the above braking process occurs simultaneously when the structure is not damaged, so the purpose of synchronous anti-falling of the double-column construction elevator is achieved.

[0025] Beneficial Effects

[0026] Compared with the prior art, the present invention has the following beneficial effects:

[0027] 1. It solves the problem of huge safety hazards and economic losses caused by poor anti-fall performance and insufficient safety performance of double-column construction elevators.

[0028] 2. The device is highly practical; it has a simple structure, is easy to make and install, is not easy to damage, and can be promoted on a large scale. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a structural schematic diagram of the present invention.

[0030] Figure 2 It is a schematic diagram of the three-dimensional structure of the present invention.

[0031] Figure 3 It is a partial cross-sectional view of a top view of the present invention.

[0032] Figure 4 for Figure 3 A partial enlarged view of point a in the middle.

[0033] Figure 5 for Figure 3 A partial enlarged view of point b in the middle.

[0034] In the figure: 1-1 is the cage structure, 1-2 is the standard section assembly, 2 is the synchronous anti-fall device, 2-1 is the SAJ type anti-fall safety device, 2-2 is the small gear box, 2-3 is the intermediate gear box, 2-4 is the large gear box, 2-5 is the first gear box shaft, 2-6 is the second gear box shaft, 2-7 is the third gear box shaft, 2-8 is the first transmission gear, 2-9 is the second transmission gear, 2-10 is the third transmission gear, 2-11 is the fourth transmission gear, 2-12 is the fifth transmission gear, 2-13 is the first flange, 2-14 is the second flange, and 2-15 is the transmission shaft. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0036] See also Figures 1 to 5 In an embodiment of the present invention, a synchronous fall arrester device based on a double-column construction elevator includes a double-column construction elevator 1, a cage structure 1-1, a standard section assembly 1-2, a synchronous fall arrester device 2, a SAJ type fall arrester safety device 2-1, a small gear box 2-2, an intermediate gear box 2-3, a large gear box 2-4, a first gear box shaft 2-5, a second gear box shaft 2-6, a third gear box shaft 2-7, a first transmission gear 2-8, a second transmission gear 2-9, a third transmission gear 2-10, a fourth transmission gear 2-11, a fifth transmission gear 2-12, a first flange 2-13, a second flange 2-14, and a transmission shaft 2-15.

[0037] When the running speed of the cage structure 1-1 exceeds the calibrated action speed of 0.9m / s of the SAJ type anti-fall safety device 2-1, the SAJ type anti-fall safety device 2-1 will drive the third transmission gear 2-10 installed on the SAJ type anti-fall safety device 2-1 to start braking, and the third transmission gear 2-10 and the fifth transmission gear 2-12 are engaged and braked, and the fifth transmission gear 2-12 is engaged and braked with the first transmission gear 2-8, and the first transmission gear 2-8 is coaxially assembled with the second transmission gear 2-9, so that the second transmission gear 2-9 is braked, thereby achieving braking of the right side of the cage structure 1-1. Driven by the third transmission gear 2-10, the first gearbox shaft 2-5 on the right drives the first flange 2-13 to start braking, the first flange 2-13 drives the second flange 2-14 bolted thereto to start braking, the second flange 2-14 drives the right transmission shaft 2-15 connected thereto to start braking, the right transmission shaft 2-15 drives the second flange 2-14 to start braking, the second flange 2-14 drives the first flange 2-13 bolted thereto to start braking, the first flange 2-13 drives its second gearbox shaft 2-6 to start braking, the second gearbox shaft 2-6 drives the first transmission gear 2-8 to start braking, the first transmission gear 2-8 and the fourth transmission gear 2-11 engage in braking, the fourth transmission gear 2-11 engages in braking with the first transmission gear 2-8, the first transmission gear 2-8 drives The second gearbox shaft 2-6 brakes, the second gearbox shaft 2-6 drives the first flange 2-13 to brake, the first flange 2-13 drives the second flange 2-14 bolted thereto to brake, the second flange 2-14 drives the transmission shaft 2-15 connected thereto to brake, the transmission shaft 2-15 drives the second flange 2-14 to brake, the second flange 2-14 drives the first flange 2-13 to brake, the first flange 2-13 drives the first gearbox shaft 2-5 coaxially connected thereto to brake, the first gearbox shaft 2-5 drives the first transmission gear 2-8 to start braking, the first transmission gear 2-8 and the second transmission gear 2-9 are coaxially assembled, so that the second transmission gear 2-9 brakes, and the second transmission gear 2-9 drives the rack meshing brake on the standard section assembly 1-2, so as to achieve the braking of the left side of the cage structure (1-1). Because the braking devices are all rigid bodies, there is no order of braking, and the above braking process occurs simultaneously when the structure is not damaged, so the purpose of synchronous anti-falling of the double-column construction elevator is achieved.

[0038] The synchronous fall arrester device based on the double-column construction hoist solves the problem of the double-column construction hoist having poor fall prevention performance and insufficient safety performance, which causes huge safety hazards and economic losses. The device is highly practical; it has a simple structure, is easy to make and install, and is not easy to damage, and can be widely promoted.

[0039] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0040] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A fall arrester device based on a double-column construction elevator, comprising a double-column construction elevator (1), a cage structure (1-1), and a standard section assembly (1-2), wherein the standard section assembly (1-2) is fixedly installed on the left and right sides of the cage structure (1-1), characterized in that: Also includes: A synchronous fall arrester device (2); the synchronous fall arrester device (2) is installed at the middle position of the top of the double-column construction hoist (1) and connected by bolts; The synchronous fall arrester device (2) comprises: a SAJ type fall arrester (2-1), a small gear box (2-2), an intermediate gear box (2-3), a large gear box (2-4), a first gear box shaft (2-5), a second gear box shaft (2-6), a third gear box shaft (2-7), a first transmission gear (2-8), a second transmission gear (2-9), a third transmission gear (2-10), a fourth transmission gear (2-11), a fifth transmission gear (2-12), a first flange (2-13), a second flange (2-14), and a transmission shaft (2-15); The SAJ type anti-fall safety device (2-1) is fixedly installed on the top right side of the cage structure (1-1) and is connected to the large gear box (2-4) by bolts; The small gear box (2-2) is fixedly mounted on the left side of the top of the cage structure (1-1) and is connected to the cage structure (1-1) by bolts; The intermediate gear box (2-3) is fixedly installed in the middle of the top of the cage structure (1-1) and is connected to the cage structure (1-1) by bolts; The large gearbox (2-4) is fixedly mounted on the top right side of the cage structure (1-1) and is connected to the cage structure (1-1) by bolts; Two first gearbox shafts (2-5) are respectively fixedly mounted on the left and right sides of the top of the cage structure (1-1), and are respectively coaxially assembled with holes on the small gearbox (2-2) and the large gearbox (2-4); Two second gearbox shafts (2-6) are fixedly mounted in the middle of the top of the cage structure (1-1) and are coaxially assembled with the holes on the intermediate gearbox (2-3); Three third gearbox shafts (2-7) are respectively fixedly mounted in the middle and right sides of the top of the cage structure (1-1), and are respectively coaxially assembled with holes on the middle gearbox (2-3) and the large gearbox (2-4); Four first transmission gears (2-8) are respectively fixedly mounted on the left, middle and right sides of the top of the cage structure (1-1); the first transmission gear (2-8) on the left side is coaxially assembled with the first gearbox shaft (2-5) on the left side, and the first transmission gear (2-8) on the right side is coaxially assembled with the first gearbox shaft (2-5) on the right side, and both are meshed with the second transmission gear (2-9) for transmission; the first transmission gear (2-8) in the middle is coaxially assembled with the second gearbox shaft (2-6), and is meshed with the fourth transmission gear (2-11) for transmission; Four second transmission gears (2-9) are respectively fixedly mounted on the top of the cage structure (1-1), two on the left and two on the right, and are respectively meshed with racks on the standard section assembly (1-2) for transmission; The third transmission gear (2-10) is fixedly mounted on the top right side of the cage structure (1-1), and is coaxially assembled with the SAJ type anti-fall safety device (2-1) and the first gear box shaft (2-5), and is meshed with the fifth transmission gear (2-12) for transmission at the same time; The fourth transmission gear (2-11) is fixedly installed in the middle of the top of the cage structure (1-1), is coaxially assembled with the third gear box shaft (2-7), and is meshed with the first transmission gear (2-8) and the fourth transmission gear (2-11) for transmission; The fifth transmission gear (2-12) is fixedly mounted on the top right side of the cage structure (1-1), is coaxially assembled with the third gearbox shaft (2-7), and is meshed with the third transmission gear (2-10) for transmission; Four first flanges (2-13) are respectively fixedly mounted on the left, middle and right sides of the top of the cage structure (1-1); the first flanges (2-13) on the left and right sides are respectively coaxially matched with the first gearbox shaft (2-5), and the two first flanges (2-13) in the middle are coaxially matched with the second gearbox shaft (2-6); Four second flanges (2-14) are respectively fixedly mounted on the left side, the middle and the right side of the top of the cage structure (1-1), and are respectively connected to the first flange (2-13) by bolts to achieve the purpose of transmission; The two transmission shafts (2-15) are respectively fixedly mounted on the left and right sides of the top of the cage structure (1-1) and are respectively welded to the second flange plate (2-14).

2. The method for operating the fall arrester device according to claim 1, characterized in that: When the running speed of the cage structure (1-1) exceeds the calibrated action speed of the SAJ type anti-fall safety device (2-1) of 0.9 m / s, the SAJ type anti-fall safety device (2-1) will drive the third transmission gear (2-10) mounted on the SAJ type anti-fall safety device (2-1) to start braking, the third transmission gear (2-10) and the fifth transmission gear (2-12) are meshed and braked, and the fifth transmission gear (2-12) is meshed and braked with the first transmission gear (2-8); the first transmission gear (2-8) and the second transmission gear (2-9) are coaxially assembled, so that the second transmission gear (2-9) is braked, thereby achieving the braking of the right side of the cage structure (1-1); Driven by the third transmission gear (2-10), the first gearbox shaft (2-5) on the right side drives the first flange (2-13) to start braking, the first flange (2-13) drives the second flange (2-14) bolted thereto to start braking, the second flange (2-14) drives the right transmission shaft (2-15) connected thereto to start braking, the right transmission shaft (2-15) drives the second flange (2-14) to start braking, the second flange (2-14) drives the first flange (2-13) bolted thereto to start braking, the first flange (2-13) drives the second gearbox shaft (2-6) to start braking, the second gearbox shaft (2-6) drives the first transmission gear (2-8) to start braking, the first transmission gear (2-8) and the fourth transmission gear (2-11) engage to brake, the fourth transmission gear (2-11) and the first transmission gear (2-8) engage to brake, the first transmission gear (2-8) drives The second gearbox shaft (2-6) brakes, the second gearbox shaft (2-6) drives the first flange (2-13) to brake, the first flange (2-13) drives the second flange (2-14) bolted thereto to brake, the second flange (2-14) drives the transmission shaft (2-15) connected thereto to brake, the transmission shaft (2-15) drives the second flange (2-14) to brake, the second flange (2-14) drives the first flange (2-13) to brake, the first flange (2-13) drives the first gearbox shaft (2-5) coaxially connected thereto to brake, the first gearbox shaft (2-5) drives the first transmission gear (2-8) to start braking, the first transmission gear (2-8) and the second transmission gear (2-9) are coaxially assembled, so that the second transmission gear (2-9) brakes, and the second transmission gear (2-9) drives the rack on the standard section assembly (1-2) to engage and brake, thereby achieving the braking of the left side of the cage structure (1-1).

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