CN210594788U - High-adaptability elevator speed-limiting tensioning device - Google Patents
High-adaptability elevator speed-limiting tensioning device Download PDFInfo
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- CN210594788U CN210594788U CN201921404446.5U CN201921404446U CN210594788U CN 210594788 U CN210594788 U CN 210594788U CN 201921404446 U CN201921404446 U CN 201921404446U CN 210594788 U CN210594788 U CN 210594788U
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Abstract
The utility model discloses a high-adaptability elevator speed-limiting tensioning device, which comprises a first fixed pulley arranged on the wall surface of a pit, wherein a limiting sliding frame fixed on the wall surface of the pit is arranged below the first fixed pulley, a balancing weight is arranged in the limiting sliding frame, and a hook is arranged at the upper end of the balancing weight; the device also comprises a guide frame arranged on the ground of the pit, wherein a guide chute is arranged on the guide frame, a sliding block is arranged on the guide chute, a tension wheel assembly is arranged on one side of the sliding block, and a movable pulley is arranged on the other side of the sliding block; two sides of the bottom of the guide chute are also provided with a second fixed pulley and a fixed ring; a tensioning rope is arranged between the fixing ring and the hook and sequentially penetrates through the movable pulley, the second fixed pulley and the first fixed pulley. The utility model discloses can effectively reduce the requirement to well installation space.
Description
Technical Field
The utility model relates to an elevator speed limit rises and tightly installs, especially a high adaptability elevator speed limit rises and tightly installs.
Background
The elevator speed limiter is a component for limiting the speed of an elevator, and is a safety control component in an elevator safety protection system; however, in the high-speed operation of the elevator, when the tension force of the speed limiter is insufficient, the steel wire rope of the speed limiter cannot meet the traction condition directly, so that the slipping phenomenon is generated, the operation speed of the elevator cannot be effectively controlled, the steel wire rope is abraded and even broken, and the life safety of passengers is threatened directly. In order to overcome the problem of insufficient tension force, a tension device is arranged at the bottom pit of the elevator to tension and limit the steel wire rope of the speed limiter, so that the speed limiter and the safety tongs are ensured to act safely and reliably. The existing tensioning devices in the market are mainly divided into a weight type tensioning device and a swing rod type tensioning device, and both have high requirements on installation space, for example, the depth of a pit required by the installation of the weight type tensioning device is high, and the depth of a hoistway is required by the swing rod type tensioning device; meanwhile, in order to satisfy the tensioning force, a counterweight block with a large volume is usually arranged, and more well and pit areas need to be occupied. Therefore, the prior art has the problem of high requirement on installation space.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high adaptability elevator speed limit rises and tightly installs. The utility model discloses can effectively reduce the requirement to well installation space.
The technical scheme of the utility model: the high-adaptability elevator speed-limiting tensioning device comprises a first fixed pulley arranged on the wall surface of a pit, a limiting sliding frame fixed on the wall surface of the pit is arranged below the first fixed pulley, a balancing weight is arranged in the limiting sliding frame, and a hook is arranged at the upper end of the balancing weight; the device also comprises a guide frame arranged on the ground of the pit, wherein a guide chute is arranged on the guide frame, a sliding block is arranged on the guide chute, a tension wheel assembly is arranged on one side of the sliding block, and a movable pulley is arranged on the other side of the sliding block; two sides of the bottom of the guide chute are also provided with a second fixed pulley and a fixed ring; a tensioning rope is arranged between the fixing ring and the hook and sequentially penetrates through the movable pulley, the second fixed pulley and the first fixed pulley.
In the high-adaptability elevator speed-limiting tensioning device, the fixing frame is arranged between the first fixed pulley and the bottom pit wall surface.
In the high-adaptability elevator speed-limiting tensioning device, the guide frame is of an L-shaped structure, and the bottom surface of the guide frame is fixed with the bottom shell ground through bolts.
In the high-adaptability elevator speed-limiting tensioning device, the side wall of the limiting sliding frame is provided with the safety switch, and the upper end of the side wall of the balancing weight is provided with the switch striking plate matched with the safety switch.
In the high-adaptability elevator speed-limiting tensioning device, the tensioning wheel assembly is provided with a speed limiter steel wire rope.
Compared with the prior art, the utility model consists of a first fixed pulley, a balancing weight, a guide frame, a movable pulley, a second fixed pulley and a fixed ring which are arranged on the wall surface of the pit, the guide frame, the movable pulley, the second fixed pulley and the fixed ring are arranged on the ground of the pit, the components are connected in series through a tensioning rope, and one end of the tensioning rope is tied with the balancing weight, so that a downward tensioning force is provided for the tensioning wheel assembly, and the tensioning effect of the steel wire rope of the speed limiter is achieved; by adopting the structure, the structure and the installation are flexible, the vacant space of the well can be utilized to the maximum extent, the requirement on the installation space of the well is reduced, and the well with the shallow bottom pit and the small size can be met; meanwhile, the weight of the balancing weight can be reduced to a great extent, and the size of the balancing weight can be further reduced. And simultaneously, the utility model discloses a set up the direction spout on the leading truck, through mutually supporting of slider and direction spout, drive the movable pulley and reciprocate, under the effect of balancing weight for the movable pulley can carry out corresponding automatically regulated according to the difference of the tight power size that rises that the tight pulley set receives, thereby can guarantee in real time that it is in the best state that rises to rise, can also improve application scope. To sum up, the utility model discloses can effectively reduce the requirement to well installation space.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a partially enlarged view of fig. 1.
The labels in the figures are: 1-a first fixed pulley, 2-a limiting sliding frame, 3-a balancing weight, 4-a hook, 5-a guide frame, 6-a guide chute, 7-a sliding block, 8-a tensioning wheel assembly, 9-a movable pulley, 10-a second fixed pulley, 11-a fixed ring, 12-a tensioning rope, 13-a fixed frame, 14-a safety switch, 15-a switch striking plate and 16-a speed limiter steel wire rope.
Detailed Description
The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.
Examples are given. A high-adaptability elevator speed-limiting tensioning device is formed as shown in figures 1 to 2 and comprises a first fixed pulley 1 arranged on a bottom pit wall surface, a limiting sliding frame 2 fixed on the bottom pit wall surface is arranged below the first fixed pulley 1, a balancing weight 3 is arranged in the limiting sliding frame 2, and a hook 4 is arranged at the upper end of the balancing weight 3; the pit is characterized by further comprising a guide frame 5 arranged on the ground of the pit, a guide chute 6 is arranged on the guide frame 5, a sliding block 7 is arranged on the guide chute 6, a tension pulley assembly 8 is arranged on one side of the sliding block 7, and a movable pulley 9 is arranged on the other side of the sliding block 7; two sides of the bottom of the guide chute 6 are also provided with a second fixed pulley 10 and a fixed ring 11; a tensioning rope 12 is arranged between the fixing ring 11 and the hook 4, and the tensioning rope 12 sequentially passes through the movable pulley 9, the second fixed pulley 10 and the first fixed pulley 1.
And a fixed frame 13 is arranged between the first fixed pulley 1 and the wall surface of the pit.
The guide frame 5 is of an L-shaped structure, and the bottom surface of the guide frame 5 is fixed with the ground of the bottom shell through bolts.
The side wall of the limiting sliding frame 2 is provided with a safety switch 14, and the upper end of the side wall of the balancing weight 3 is provided with a switch beating plate 15 matched with the safety switch 14.
And a speed governor steel wire rope 16 is arranged on the tension wheel assembly 8.
The safety switch is a UKS switch.
The safety switch is connected with the elevator control system. The elevator can stop running when the safety switch is actuated, and a corresponding fault code is reported, so that the elevator can run after the fault is clearly repaired.
The utility model discloses a working process: when the tension force on the speed limiter is small, the steel wire rope of the speed limiter is loosened, the tension pulley assembly drives the sliding block to descend under the action of gravity, and the balancing weight is driven by the tension rope to ascend; when the tension force on the speed limiter is too large, the steel wire rope of the speed limiter can be stressed upwards to further drive the tension pulley assembly to ascend, the sliding block is driven to ascend, the balancing weight block descends along with the tension pulley assembly, when the balancing weight block reaches the lowest point, the switch beating plate on the balancing weight block can touch the safety switch, the safety switch can automatically cut off the power supply of the system, the elevator is stopped suddenly, and danger is avoided.
Claims (5)
1. High adaptability elevator speed limit rises and tightly installs, its characterized in that: the device comprises a first fixed pulley (1) arranged on the wall surface of a pit, a limiting sliding frame (2) fixed on the wall surface of the pit is arranged below the first fixed pulley (1), a balancing weight (3) is arranged in the limiting sliding frame (2), and a hook (4) is arranged at the upper end of the balancing weight (3); the pit is characterized by further comprising a guide frame (5) arranged on the ground of the pit, a guide chute (6) is arranged on the guide frame (5), a sliding block (7) is arranged on the guide chute (6), a tensioning wheel assembly (8) is arranged on one side of the sliding block (7), and a movable pulley (9) is arranged on the other side of the sliding block (7); two sides of the bottom of the guide chute (6) are also provided with a second fixed pulley (10) and a fixed ring (11); a tensioning rope (12) is arranged between the fixing ring (11) and the hook (4), and the tensioning rope (12) sequentially passes through the movable pulley (9), the second fixed pulley (10) and the first fixed pulley (1).
2. The high-adaptability elevator speed-limiting tensioning device according to claim 1, characterized in that: a fixing frame (13) is arranged between the first fixed pulley (1) and the wall surface of the pit.
3. The high-adaptability elevator speed-limiting tensioning device according to claim 1, characterized in that: the guide frame (5) is of an L-shaped structure, and the bottom surface of the guide frame (5) is fixed with the ground of the bottom shell through a bolt.
4. The high-adaptability elevator speed-limiting tensioning device according to claim 1, characterized in that: the limiting sliding frame (2) is provided with a safety switch (14) on the side wall, and the upper end of the side wall of the balancing weight (3) is provided with a switch beating plate (15) matched with the safety switch (14).
5. The high-adaptability elevator speed-limiting tensioning device according to claim 1, characterized in that: and a speed governor steel wire rope (16) is arranged on the tensioning wheel assembly (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921404446.5U CN210594788U (en) | 2019-08-27 | 2019-08-27 | High-adaptability elevator speed-limiting tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921404446.5U CN210594788U (en) | 2019-08-27 | 2019-08-27 | High-adaptability elevator speed-limiting tensioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210594788U true CN210594788U (en) | 2020-05-22 |
Family
ID=70688724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921404446.5U Active CN210594788U (en) | 2019-08-27 | 2019-08-27 | High-adaptability elevator speed-limiting tensioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210594788U (en) |
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2019
- 2019-08-27 CN CN201921404446.5U patent/CN210594788U/en active Active
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