CN217076604U - Traction structure of household elevator car - Google Patents
Traction structure of household elevator car Download PDFInfo
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- CN217076604U CN217076604U CN202123457298.3U CN202123457298U CN217076604U CN 217076604 U CN217076604 U CN 217076604U CN 202123457298 U CN202123457298 U CN 202123457298U CN 217076604 U CN217076604 U CN 217076604U
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Abstract
The utility model discloses a household elevator car traction structure, which comprises an upper bracket arranged above a car and a counterweight and a lower bracket arranged below the car and the counterweight, wherein the upper bracket is provided with a lifting device capable of driving the car to ascend or descend, a protection device used for preventing the car from ascending or descending rapidly is arranged between the upper bracket and the lower bracket, the protection device comprises an upper traction component arranged on the upper bracket and a lower traction component arranged on the lower bracket, the upper traction component is connected with the upper parts of the car and the counterweight and can pull the other one to ascend when one of the car and the counterweight descends, the lower traction component is connected with the lower parts of the car and the counterweight and can pull the other one to descend when one of the car and the counterweight descends, wherein, the upper traction component or the lower traction component is connected with a first braking device, the utility model aims to overcome the defects of the prior art, the elevator car traction system is capable of preventing the car from falling and rushing to the top and is good in stability.
Description
[ technical field ] A method for producing a semiconductor device
The utility model particularly relates to a domestic elevator car tows structure.
[ background of the invention ]
Along with the living standard of residents is continuously improved, the requirements of people on living and traveling conditions are higher and higher, particularly the living convenience of the living environment, more and more residents are installed to add elevators in recent years, even small single rooms in villages and small towns are also added with elevators, the use frequency of household added elevators in the life of people is high, and therefore the safety and the stability of household added elevators are particularly important. Install the elevator additional on present market generally and be provided with the braking structure that prevents the car and descend fast, prevent that the car from descending fast and cause the risk of tenesmus, however, because reasons such as software trouble, power device trouble lead to the car to rise fast, and then make the car rise in-process unstability, have the car to rise the risk of dashing the top even, consequently domestic security performance and the stationarity of installing the elevator additional all remain to be improved.
The utility model discloses just produce based on foretell not enough.
[ Utility model ] content
The utility model aims at overcoming the defects of the prior art and providing an elevator car traction system which can prevent the car from falling and rushing to the top and has better stability.
The utility model discloses a realize through following technical scheme:
the utility model provides a domestic elevator car tows structure, is including setting up at the car and the upper bracket of heavy top and setting at the car and the lower carriage of heavy below, the upper bracket be equipped with and drive the elevating gear that the car ascended or descend, be equipped with between upper bracket and the lower carriage and be used for preventing the car fast rising or the protection device of fast descending, protection device pull the subassembly and set up the lower traction assembly on the lower carriage including setting up the last subassembly that pulls on the upper bracket, pull the subassembly and be connected the car and heavy upper portion and can make the other one of the pulling rise when the two descends in other one of them, pull the subassembly down and be connected the car and heavy lower part and can make the two one of them rise and pull the other one and descend, wherein, pull the subassembly or pull the subassembly down and be connected with first arresting gear.
The household elevator car traction structure comprises an upper traction assembly, a lower traction assembly and a traction rope, wherein the upper traction assembly comprises a first traction wheel and a first traction strip, one end of the first traction strip is connected with the other end of the car, the other end of the first traction strip is connected with a counterweight after bypassing the first traction wheel from the upper side, the lower traction assembly comprises a second traction wheel and a second traction strip, and one end of the second traction strip is connected with the other end of the car, and the other end of the second traction strip is connected with the counterweight after bypassing the second traction wheel from the lower side.
The household elevator car traction structure comprises a first brake disc and a first brake caliper, wherein the first brake disc is connected with a first traction wheel to enable the first brake disc and the first traction wheel to rotate synchronously, and the first brake caliper is arranged on the edge of the first brake disc and can clamp the first brake disc.
Preferably, the first traction wheel and the second traction wheel are both sprockets and the first traction bar and the second traction bar are chains, or the first traction wheel and the second traction wheel are both pulleys and the first traction bar and the second traction bar are cables.
As a more preferable embodiment, the lifting device comprises a third traction strip, a first transmission wheel, a second transmission wheel and a driving motor, one end of the third traction strip is connected with the other end of the car and bypasses the first transmission wheel and the second transmission wheel from the upper side to be connected with a counterweight, the driving motor is connected with the first transmission wheel or the second transmission wheel and drives the first transmission wheel or the second transmission wheel to rotate, or the driving motor is simultaneously connected with the first transmission wheel and the second transmission wheel and drives the first transmission wheel and the second transmission wheel to rotate.
According to the household elevator car traction structure, the lifting device further comprises a fourth traction strip and a third transmission wheel, one end of the fourth traction strip is connected with the other end of the car, the other end of the fourth traction strip bypasses the third transmission wheel from the upper side and then is connected with a counterweight, and the third traction strip and the fourth traction strip are respectively connected to the opposite sides of the top of the car.
According to the household elevator car traction structure, the third traction strip and the fourth traction strip are both chains, and the first transmission wheel, the second transmission wheel and the third transmission wheel are all chain wheels.
According to the household elevator car traction structure, the upper support is further provided with the second braking device, and the second braking device is connected with the third driving wheel and can stop the third driving wheel from continuously rotating.
According to the household elevator car traction structure, the second brake device comprises a second brake disc and a second brake caliper, the second brake disc and the third transmission wheel are connected to enable the second brake disc and the third transmission wheel to rotate synchronously, and the second brake caliper is arranged on the edge of the second brake disc and can clamp the second brake disc tightly.
Compared with the prior art, the utility model has the following advantages:
1. the utility model discloses when elevator during operation, the car moves along the counter-weight along opposite direction when upper and lower direction moves, when breaking down and leading to the car to descend fast, first brake caliper presss from both sides tight first brake disc and then prevents first traction wheel to rotate or forces first traction wheel to slow down, first traction wheel draws the car through first traction strip for the car descending speed reduces or stops descending, avoids the car because of descending speed too fast and causes the risk of tenesmus; when the car is rapidly lifted due to a fault, the first brake caliper clamps the first brake disc to prevent the first traction wheel from rotating or force the first traction wheel to decelerate, the first traction wheel pulls the counterweight through the first traction strip, and then the counterweight pulls the car through the second traction strip, so that the lifting speed of the car is reduced or stopped to lift, and the risk of top rushing caused by overhigh lifting speed of the car is prevented; in addition, the car and the counterweight correspondingly ascend and descend on the annular conveying structure, and stability is improved. In a similar way, the lower traction assembly is connected with the first braking device, and the same effect can be achieved.
2. The utility model discloses a third pulls strip and fourth and pulls the strip and all adopt the chain, first drive wheel, second drive wheel and third drive wheel all adopt the sprocket, avoid dragging the strip and the fourth pulls the strip to skid at the car with the in-process third that moves to heavy, risks such as skew appear, cooperation protection device uses, pull one of them breaking fault that appears in the strip when the third pulls strip and fourth, or driving motor breaks down, protection device all can guarantee the car and can not drop to heavy, also can not dash fast and push up and the tenesmus.
[ description of the drawings ]
Fig. 1 is a schematic structural view of a traction structure of a household elevator car of the utility model;
fig. 2 is an exploded view of the traction structure of the household elevator car of the present invention;
fig. 3 is a second exploded view of the traction structure of the home elevator car of the present invention;
fig. 4 is a third exploded view of the traction structure of the home elevator car of the present invention;
fig. 5 is an exploded view of the traction structure of the home elevator car of the present invention.
[ detailed description ] embodiments
The utility model is further described with the following figures:
the orientations described in the specification, such as "upper", "lower", "left", "right", "front", "back", and the like, are based on the orientation of the drawings, and are intended to describe relationships between respective components, and do not indicate unique or absolute positional relationships between respective components, and are only one embodiment of the present invention, and are not limited to the embodiment thereof.
As shown in fig. 1 to 4, a household elevator car traction structure comprises an upper bracket 1a arranged above a car 2 and a counterweight 3 and a lower bracket 1b arranged below the car 2 and the counterweight 3, wherein the upper bracket 1a is provided with a lifting device 4 capable of driving the car 2 to ascend or descend, a protection device 5 for preventing the car 2 from ascending or descending rapidly is arranged between the upper bracket 1a and the lower bracket 1b, the protection device 5 comprises an upper traction assembly 51 arranged on the upper bracket 1a and a lower traction assembly 52 arranged on the lower bracket 1b, the upper traction assembly 51 comprises a first traction wheel 511 and a first traction strip 512, one end of the first traction strip 512 is connected with the other end of the car 2 and bypasses the first traction wheel 511 from above to connect with the counterweight 3, the lower traction assembly 52 comprises a second traction wheel 521 and a second traction strip 522, one end of a second traction bar 522 is connected with the car 2, the other end of the second traction bar is connected with the counterweight 3 after passing a second traction wheel 521 from the lower part, the upper traction assembly 51 is connected with a first braking device 7, the first braking device 7 comprises a first brake disc 71 and a first brake caliper 72, the first brake disc 71 is connected with a first traction wheel 511 to enable the first brake disc 71 and the first traction wheel 511 to synchronously rotate, the first brake caliper 72 is arranged at the edge of the first brake disc 71 and can clamp the first brake disc 71, when the elevator works, when the car 2 moves along the up-down direction, the counterweight 3 moves along the opposite direction, when a fault occurs, causing the car to descend rapidly, the first brake caliper 72 grips the first brake disc 71 to prevent the first traction wheel 511 from rotating or to force the first traction wheel 511 to decelerate, the first traction wheel 511 pulls the car 2 through the first traction bar 512, the descending speed of the lift car 2 is reduced or the lift car stops descending, and the risk that the lift car 2 falls down due to the fact that the descending speed is too high is avoided; because the first traction strip 512 is respectively connected with the car 2 and the counterweight 3 from the upper part and the second traction strip 522 is respectively connected with the car 2 and the counterweight 3 from the lower part, an annular conveying structure is formed, when the car 2 is rapidly lifted due to a fault, the first brake caliper 72 also clamps the first brake disc 71 to prevent the first traction wheel 511 from rotating or force the first traction wheel 511 to decelerate, the first traction wheel 511 pulls the counterweight 2 through the first traction strip 512, and the counterweight 2 pulls the car 2 through the second traction strip 522, so that the lifting speed of the car 2 is reduced or stopped lifting, and the risk of top rushing caused by overhigh lifting speed of the car 2 is prevented. Similarly, the same effect can be achieved by connecting the lower traction assembly 52 with the first brake device 7.
As shown in fig. 4, the first brake device 7 may be a general disc brake type brake.
In detail, as shown in fig. 4, an embodiment is shown in which the first traction wheel 511 and the second traction wheel 521 use pulleys, and the first traction bar 512 and the second traction bar 522 use cables. Of course, the first traction wheel 511 and the second traction wheel 521 can also adopt chain wheels, the first traction bar 512 and the second traction bar 522 adopt chains, and the embodiment can be implemented by those skilled in the art, and a corresponding view is not provided.
In detail, as shown in fig. 4 and 5, the upper pulling assembly 51 and the lower pulling assembly 52 are provided with two, and two are arranged side by side, so as to ensure uniform stress and tensile strength. Of course, three or more than three may be provided, which is a scheme that can be implemented by those skilled in the art, and a view corresponding to the embodiment is not provided.
As an embodiment of the lifting device 4, as shown in fig. 3, the lifting device 4 includes a third traction bar 41, a first transmission wheel 42, a second transmission wheel 43 and a driving motor 40, one end of the third traction bar 41 is connected to the car 2, and the other end of the third traction bar passes through the first transmission wheel 42 and the second transmission wheel 43 from above and then is connected to the counterweight 3, the driving motor 40 is connected to the first transmission wheel 42 and drives the first transmission wheel 42 to rotate, and cooperates with a lower traction assembly 52, when the elevator 4 is abnormal, which causes the car 2 to rise rapidly, the car 2 pulls the counterweight 3 to descend by the second traction bar 522, the counterweight 3 buffers the ascending speed of the cage 2 due to the pulling force of the third traction strip 41 and the friction force between the counterweight 3 and the elevator shaft, prevents the cage 2 from being overhigh due to the ascending speed, when the elevator works, the first driving wheel 42 rotates to drive the third traction strip 41 to draw the elevator car 2 and the counterweight 3 to ascend and descend. Similarly, the driving motor 40 may be connected to the second transmission wheel 43, and the rotation of the second transmission wheel 43 may also drive the third traction bar 41 to move. Of course, the driving motor 40 can also connect the first driving wheel 42 and the second driving wheel 43 through a transmission structure and drive the two to rotate synchronously.
As a preferred embodiment, as shown in fig. 1, 2 and 3, the lifting device 4 further includes a fourth traction bar 44 and a third transmission wheel 45, one end of the fourth traction bar 44 is connected to the car 2, and the other end of the fourth traction bar 44 is connected to the counterweight 3 after bypassing the third transmission wheel 45 from above, the third traction bar 41 and the fourth traction bar 44 are respectively connected to opposite sides of the top of the car 2, when the third traction bar 41 pulls the car 2 to ascend or descend, the gravity of the counterweight 3 acts on opposite sides of the car 2 through the third traction bar 41 and the fourth traction bar 44, so that the car 2 and the counterweight 3 are balanced when moving up and down, and the stability of the car 2 and the counterweight 3 during moving is ensured.
As shown in fig. 3, the third traction bar 41 and the fourth traction bar 44 are both chains, the first transmission wheel 42, the second transmission wheel 43 and the third transmission wheel 45 are all sprockets, so that the risks of slipping, shifting and the like of the third traction bar 41 and the fourth traction bar 44 in the process of moving the car 2 and the counterweight 3 are avoided, and the protection device 5 is used in cooperation with the protection device 5, when one of the third traction bar 41 and the fourth traction bar 44 breaks or the driving motor 40 breaks down, the protection device 5 can ensure that the car 2 and the counterweight 3 cannot fall off or rapidly impact against the top and fall.
As a preferred embodiment, as shown in fig. 1 and 5, the upper bracket 1a is further provided with a second braking device 6, the second braking device 6 includes a second brake disc 61 and a second brake caliper 62, the second brake disc 61 is connected with the third transmission wheel 45 so that the second brake disc 61 and the third transmission wheel rotate synchronously, the second brake caliper 62 is arranged at the edge of the second brake disc 61 and can clamp the second brake disc 61, the second brake disc 61 is clamped by the second brake caliper 62 so as to stop the rotation of the second brake disc 61, and the third transmission wheel 45 is braked, so that the structure can be used as a deceleration structure when the car 2 is in normal use, and the third transmission wheel 45 can be stopped under the fault conditions of power failure and the like, so that the car 2 is prevented from falling, and the safety is improved.
The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (9)
1. The utility model provides a structure is dragged to home use elevator car, is including setting up upper bracket (1a) and lower carriage (1b) of setting in car (2) and counter weight (3) top below at car (2) and counter weight (3), its characterized in that: the upper bracket (1a) is provided with a lifting device (4) which can drive the lift car (2) to ascend or descend, a protection device (5) which is used for preventing the lift car (2) from ascending or descending rapidly is arranged between the upper bracket (1a) and the lower bracket (1b), the protection device (5) comprises an upper traction assembly (51) arranged on an upper support (1a) and a lower traction assembly (52) arranged on a lower support (1b), wherein the upper traction assembly (51) is connected with the upper parts of the car (2) and the counterweight (3) and can pull the other one of the car and the counterweight to ascend when one of the car and the counterweight descends, the lower traction assembly (52) is connected with the lower parts of the car (2) and the counterweight (3) and can pull the other one of the car and the counterweight to descend when one of the car and the counterweight ascends, wherein, the upper traction assembly (51) or the lower traction assembly (52) is connected with a first braking device (7).
2. The traction structure of a home elevator car according to claim 1, wherein: go up and draw subassembly (51) including first traction wheel (511) and first traction strip (512), first traction strip (512) one end is connected car (2) other end and is walked around first traction wheel (511) back connection to counter weight (3) from the top, draw subassembly (52) down and draw strip (522) including second traction wheel (521) and second, second traction strip (522) one end is connected car (2) other end and is walked around second traction wheel (521) back connection to counter weight (3) from the below.
3. The traction structure of a home elevator car according to claim 2, wherein: the first brake device (7) comprises a first brake disc (71) and a first brake caliper (72), the first brake disc (71) is connected with the first traction wheel (511) to enable the first brake disc and the first traction wheel to rotate synchronously, and the first brake caliper (72) is arranged on the edge of the first brake disc (71) and can clamp the first brake disc (71).
4. A home elevator car traction structure according to any one of claims 2 to 3, wherein: the first traction wheel (511) and the second traction wheel (521) are chain wheels and the first traction bar (512) and the second traction bar (522) are chains, or the first traction wheel (511) and the second traction wheel (521) are pulleys and the first traction bar (512) and the second traction bar (522) are cables.
5. A home elevator car traction structure according to any one of claims 2 to 3, wherein: elevating gear (4) including third pull strip (41), first drive wheel (42), second drive wheel (43) and driving motor (40), third pull strip (41) one end and connect car (2) other end and connect counterweight (3) after walking around first drive wheel (42) and second drive wheel (43) from the top, driving motor (40) are connected first drive wheel (42) or second drive wheel (43) and are driven first drive wheel (42) or second drive wheel (43) and rotate, or driving motor (40) are connected first drive wheel (42) and second drive wheel (43) simultaneously and are driven the two to rotate.
6. The traction structure of a home elevator car according to claim 5, wherein: the lifting device (4) further comprises a fourth traction strip (44) and a third transmission wheel (45), one end of the fourth traction strip (44) is connected with the other end of the lift car (2) and connected with the counterweight (3) after bypassing the third transmission wheel (45) from the upper side, and the third traction strip (41) and the fourth traction strip (44) are respectively connected to the opposite sides of the top of the lift car (2).
7. The traction structure of a home elevator car according to claim 6, wherein: the third traction strip (41) and the fourth traction strip (44) are both chains, and the first driving wheel (42), the second driving wheel (43) and the third driving wheel (45) are all chain wheels.
8. The traction structure of a home elevator car according to claim 6, wherein: the upper bracket (1a) is also provided with a second braking device (6), and the second braking device (6) is connected with the third driving wheel (45) and can stop the third driving wheel (45) from continuously rotating.
9. The traction structure of a home elevator car according to claim 8, wherein: the second brake device (6) comprises a second brake disc (61) and a second brake caliper (62), the second brake disc (61) is connected with the third transmission wheel (45) to enable the second brake disc and the third transmission wheel to rotate synchronously, and the second brake caliper (62) is arranged on the edge of the second brake disc (61) and can clamp the second brake disc (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123457298.3U CN217076604U (en) | 2021-12-31 | 2021-12-31 | Traction structure of household elevator car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123457298.3U CN217076604U (en) | 2021-12-31 | 2021-12-31 | Traction structure of household elevator car |
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| Publication Number | Publication Date |
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| CN217076604U true CN217076604U (en) | 2022-07-29 |
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| CN202123457298.3U Active CN217076604U (en) | 2021-12-31 | 2021-12-31 | Traction structure of household elevator car |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114132814A (en) * | 2021-12-31 | 2022-03-04 | 中山天达电梯科技有限公司 | Home elevator car traction system |
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2021
- 2021-12-31 CN CN202123457298.3U patent/CN217076604U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114132814A (en) * | 2021-12-31 | 2022-03-04 | 中山天达电梯科技有限公司 | Home elevator car traction system |
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