CN113830640A - Take anti-falling device's construction elevator - Google Patents
Take anti-falling device's construction elevator Download PDFInfo
- Publication number
- CN113830640A CN113830640A CN202111131141.3A CN202111131141A CN113830640A CN 113830640 A CN113830640 A CN 113830640A CN 202111131141 A CN202111131141 A CN 202111131141A CN 113830640 A CN113830640 A CN 113830640A
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- frame
- elevator
- guide
- strip
- elevator cage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
- B66B5/06—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed electrical
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
- B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
- B66B5/26—Positively-acting devices, e.g. latches, knives
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
- Types And Forms Of Lifts (AREA)
Abstract
The invention provides a construction elevator with an anti-falling device, which comprises an elevator cage and a supporting frame for supporting the elevator cage to climb, wherein a driving structure is arranged in the elevator cage close to the supporting frame and drives the elevator cage to move along the supporting frame and a guide strip; including an acceleration sensor to detect a fall; a first brake structure is arranged on one side of the driving structure, and the first brake structure can increase the rotating friction force of a transmission shaft of the driving structure, so that the buffer deceleration of the gear is realized; the elevator cage is provided with two second brake structures corresponding to the two guide strips, and the second brake structures can form contact friction with the guide strips to realize buffer speed reduction; the second brake structure is also provided with a telescopic hook which can be matched with a frame strip of the support frame in a hanging way; its novel structure can carry out the deceleration buffering to the construction elevator that falls to lock again after the deceleration buffering, prevent to cause elevator and personnel's damage because of impact in the twinkling of an eye, improve the safety in utilization.
Description
Technical Field
The invention relates to the field of construction elevators, in particular to a construction elevator with an anti-falling device.
Background
The motion track of the construction elevator is in the vertical direction, so that the anti-falling measures of the car are particularly important, the life safety of related personnel is directly involved, and when the construction elevator is in a working state, the problem of quick falling caused by failure or fault of some safety components is likely to occur; in view of the above, in the prior art, the most common way for achieving falling prevention is to construct an elevator car safety gear and a pin-type falling prevention device, the safety gear only acts in an emergency, although the construction elevator safety gear is a necessary component for each construction elevator, when the construction elevator safety gear acts, certain damage is often caused to an elevator guide rail and a construction elevator car, and therefore the construction elevator car cannot be fixed at a certain position through the action of the safety gear during each maintenance work; the bolt type anti-falling device limits the degree of freedom of the construction elevator car in the vertical direction through a bolt, so that the construction elevator car can maintain a suspended state; the two modes adopt rigid locking actions, so that the meshing part of the gear and the rack is easily damaged; in addition, due to the instant locking, rapid shaking and even impact can be caused in the elevator due to the problem of acceleration, and the collision and the death of people can be caused.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to solve the technical problem of providing a construction elevator with an anti-falling device, which has a novel structure, can perform deceleration buffering on a falling construction elevator, and can lock the construction elevator after the deceleration buffering, thereby preventing the elevator and personnel from being damaged due to instant impact and improving the use safety.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a construction elevator with an anti-falling device, which comprises an elevator cage and a supporting frame for supporting the elevator cage to climb, wherein a driving structure is arranged in the elevator cage close to the supporting frame, and a gear is arranged at the end part of an output shaft of the driving structure; a rack is fixedly arranged on the supporting frame, and the gear is meshed with the rack; the elevator cage is slidably clamped on the support frame through the first guide pulley and the guide strip, and the elevator cage is driven by the driving structure to vertically move; including an acceleration sensor to detect a fall; a first brake structure is arranged on one side of the driving structure, and the first brake structure can increase the rotating friction force of a transmission shaft of the driving structure, so that the buffer deceleration of the gear is realized; the elevator cage is provided with two second brake structures corresponding to the two guide strips, and the second brake structures can form contact friction with the guide strips to realize buffer speed reduction; the second brake structure is also provided with a telescopic hook which can be matched with a frame strip of the support frame in a hanging way.
In a preferred technical scheme of the invention, the driving structure comprises a motor and a reduction gearbox, wherein a reduction gear set, the transmission shaft and the output shaft are arranged in the reduction gearbox, the output shaft penetrates through the side wall of the elevator cage, the end part of the output shaft is fixedly connected with the gear, the transmission shaft penetrates through the side wall of the reduction gearbox, one end of the transmission shaft is fixedly connected with the end part of a rotating shaft of the motor, and the other end of the transmission shaft extends outwards; first brake structure includes two at least air chuck, and the transmission shaft is located to the air chuck cover, and air chuck passes through the support to be fixed at the inner wall of elevator case.
In a preferred technical scheme of the invention, the inner walls of the jaws of the pneumatic chuck are fixedly provided with first rubber pads.
In a better technical scheme of the invention, the second brake structure comprises a supporting frame, one side of the supporting frame is fixedly provided with an extension plate, the extension plate vertically extends along the supporting frame, one side of the extension plate, which is far away from the supporting frame, movably penetrates through the side wall of the elevator cage and extends into the elevator cage, two cylinders are fixedly arranged in the elevator cage corresponding to the extension plate, a push plate is arranged on a fixed frame between the end parts of piston rods of the two cylinders, and the push plate is fixedly connected with the extension plate; at least two second guide pulleys are installed on one side, close to the guide strip, of the supporting frame, the second guide pulleys are clamped on the guide strip in a sliding mode, and the air cylinder can drive the second guide pulleys to abut against the guide strip to form contact friction.
In a preferred technical scheme of the invention, a convex edge is fixedly arranged on one side of the guide strip close to the second guide pulley, the width of the convex edge is smaller than that of the guide strip, and a second rubber pad is fixedly arranged on the outer wall of the convex edge; the groove bottom of the sliding groove of the second guide pulley is matched with the shape of the convex edge, and the width of the sliding groove is matched with the width of the guide strip.
In a better technical scheme of the invention, the outer wall of the elevator cage is fixedly provided with a guide seat corresponding to an extension plate, and the extension plate penetrates through the guide seat and the outer wall of the elevator cage.
In a better technical scheme of the invention, one side of the support frame, which is far away from the second guide pulley, is provided with two mounting grooves, the two mounting grooves are respectively positioned at the upper part and the lower part of the support frame, one end of each mounting groove, which is far away from the support frame, is open, the bottom of each mounting groove is provided with a strip-shaped hole, and each strip-shaped hole extends through one side of the support frame, which is close to the support frame; the hook comprises a frame plate, one end, close to the support frame, of the frame plate is bent downwards to form a hook part, the width of the frame plate is consistent with that of the strip-shaped hole, the thickness of the frame plate is consistent with that of the strip-shaped hole, the frame plate extends into the mounting groove through the strip-shaped hole, a push rod motor is fixedly mounted in the mounting groove, and the push rod motor drives the frame plate to move along the strip-shaped hole; two infrared sensors are embedded and mounted on the side wall of the support frame close to the support frame, and the two infrared sensors are respectively positioned below the two strip-shaped holes; the distance between the two infrared sensors and the distance between the two hooks are consistent with the distance between any two adjacent vertical frame strips on the support frame.
In a preferred technical scheme of the invention, supporting plates are fixedly arranged at two ends of one side of a supporting frame close to an elevator cage, the supporting plates extend along the vertical direction, the supporting plates are welded and fixed on the supporting frame, one side of the supporting plate far away from a gear extends outwards, a guide strip is fixed at one side of the supporting plate far away from the elevator cage, and the guide strip and the supporting plates are of an integrated structure; the rack is fixedly welded on the support frame.
The invention has the beneficial effects that:
the invention provides a construction elevator with an anti-falling device, which is novel in structure, wherein a first brake structure acts on a transmission shaft of a driving structure, can clamp the transmission shaft, increases friction force and limits the rotation of the transmission shaft, so that the buffer deceleration of a gear is realized, and the damage of the meshing part of the gear and a rack is prevented; the design of the second brake structure can form contact friction with the guide strip to realize secondary buffering and speed reduction, and under the mutual cooperation, the falling construction elevator can be effectively buffered at reduced speed, so that the direct locking condition is prevented, and the impact is reduced; in addition, the second brake structure is also provided with a telescopic hook, and when the speed is reduced to the preset reducing speed, the elevator cage can be hung on the support frame through the extended hook to realize stable support; overall structure's design and cooperation can make the elevator case lock again after the deceleration buffering, prevents to cause elevator and personnel's damage because of the impact in the twinkling of an eye, improves the safety in utilization.
Drawings
FIG. 1 is a schematic structural view of a construction elevator with a fall preventing device provided in an embodiment of the present invention;
FIG. 2 is a schematic view of a second brake structure partially engaged with a support bracket according to an embodiment of the present invention;
fig. 3 is a side view of a support frame provided in an embodiment of the present invention.
In the figure:
100. an elevator cage; 110. a guide seat; 200. a support frame; 210. a support plate; 300. a drive structure; 310. a drive shaft; 320. a motor; 330. a reduction gearbox; 410. a gear; 420. a rack; 430. a guide strip; 431. a rib; 432. a first rubber pad; 500. an acceleration sensor; 600. a pneumatic chuck; 700. a second brake structure; 710. a support frame; 711. mounting grooves; 720. an extension plate; 730. a cylinder; 740. pushing the plate; 750. a second guide pulley; 760. hooking; 761. a frame plate; 762. a hook portion; 770. a push rod motor; 780. an infrared sensor; 800. a console; 900. an air compressor.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1 to 3, in an embodiment of the present invention, a construction elevator with an anti-falling device is disclosed, which includes an elevator cage 100, a support frame 200 for supporting the elevator cage 100 to climb, wherein the support frame 200 includes a plurality of vertically spliced standard knots, a driving structure 300 is installed inside the elevator cage 100 close to the support frame 200, an output shaft of the driving structure 300 extends towards the support frame 200 and penetrates through a side wall of the elevator cage 100, and a gear 410 is installed at an end of the output shaft; a rack 420 is fixedly arranged on the support frame 200, and the gear 410 is meshed with the rack 420; a guide strip 430 is further fixedly arranged on the support frame 200, a first guide pulley is correspondingly arranged on the elevator cage 100, the elevator cage 100 is slidably clamped on the support frame 200 through the first guide pulley and the guide strip 430, and the elevator cage 100 is driven by the driving structure 300 to vertically move; the interior of the elevator cage is divided into a goods room and an operation room by a partition plate, and an operation platform 800 is installed in the operation room; the system comprises an acceleration sensor 500 for detecting falling, wherein the acceleration sensor is integrally installed in a console; a first brake structure is arranged on one side of the driving structure 300, the first brake structure can increase the rotating friction force of the transmission shaft 310 of the driving structure 300, so that the buffer deceleration of the gear 410 is realized, and the structure can indirectly act on the gear to protect the meshing part of the gear and the rack; the elevator cage 100 is provided with two second brake structures 700 corresponding to the two guide strips 430, the second brake structures 700 can form contact friction with the guide strips 430 to realize buffering and speed reduction, and act on the guide strips, so that the other friction buffering part can be added, and the buffering and speed reduction effect is further enhanced; the second brake structure 700 is further provided with a retractable hook 760, the hook 760 can be matched with a frame strip of the support frame 200 in a hanging manner, and after the buffering deceleration reaches a preset speed, the elevator cage can be locked on the support frame through the hook.
Further, the driving structure 300 includes a motor 320 and a reduction box 330, a reduction gear set, the transmission shaft 310 and the output shaft are arranged inside the reduction box 330, the output shaft penetrates through the side wall of the elevator cage 100, and the end part of the output shaft is fixedly connected with the gear 410, the transmission shaft 310 penetrates through the side wall of the reduction box, one end of the transmission shaft 310 is fixedly connected with the end part of the rotating shaft of the motor 320, and the other end of the transmission shaft 310 extends outwards; the motor is driven by the reduction gearbox, so that the rotating pressure of the motor is reduced, and the reduction can be carried out by the reduction gear set, so that on one hand, the rotating torque can be increased, the traction force on the elevator cage is conveniently improved, and on the other hand, a rotating buffer foundation can be carried out for subsequent buffer speed reduction; the first brake structure comprises at least two air chucks 600, the air chucks 600 are sleeved on the transmission shaft 310, and the air chucks 600 are fixed on the inner wall of the elevator cage 100 through a bracket; the air compressor is installed in the operating room and used for air supply of the pneumatic chuck, the pneumatic chuck is used for effectively clamping the transmission shaft, and the transmission shaft is gradually pressurized in the clamping process, so that the rotation of the transmission shaft is limited, and the gear is further buffered and decelerated.
Further, the inner walls of the jaws of the air chuck 600 are fixedly provided with first rubber pads, and the first rubber pads are designed to enhance the friction force between the air chuck and the rotating shaft so as to limit the rotating shaft; on the other hand, the rotary shaft can be protected, and especially when the air chuck clamps and fixes the rotary shaft, the outer wall of the rotary shaft is prevented from being abraded.
Further, the second brake structure 700 includes a supporting frame 710, an extending plate 720 is fixedly disposed on one side of the supporting frame 710, the extending plate 720 extends vertically along the supporting frame 710, and one side of the extending plate 720, which is far away from the supporting frame 710, movably penetrates through a side wall of the elevator cage 100 and extends into the elevator cage 100, so that a sliding fit position of the elevator cage and the extending plate serves as a stress point of the whole supporting frame, and a stable support is provided during subsequent friction buffering; two air cylinders 730 are fixedly arranged in the elevator cage 100 corresponding to the extension plate 720, a push plate 740 is fixedly arranged between the end parts of the piston rods of the two air cylinders 730, and the push plate 740 is fixedly connected with the extension plate 720; at least two second guide pulleys 750 are installed on one side of the supporting frame 710 close to the guide bar 430, the second guide pulleys 750 are slidably clamped on the guide bar 430, and the air cylinder 730 can drive the second guide pulleys 750 to abut against the guide bar 430 to form contact friction; the cylinder can push the second guide pulley outwards, so that the second guide pulley is only in sliding guide fit with the guide strip, and the push plate is abutted against the inner wall of the elevator cage to provide support in the state; on the other hand, the second guide pulley can be moved towards the direction of the guide strip, so that the second guide pulley and the guide strip are in contact friction, and the braking buffering deceleration is realized.
Further, a rib 431 is fixedly arranged on one side of the guide bar 430 close to the second guide pulley 750, the width of the rib 431 is smaller than that of the guide bar 430, and a second rubber pad 432 is fixedly arranged on the outer wall of the rib 431; the groove bottom of the sliding groove of the second guide pulley 750 is matched with the shape of the convex rib 431, and the width of the sliding groove is matched with the width of the guide strip 430; the design of bead under the condition that does not influence the direction effect, can further strengthen the cooperation with second guide pulley to the friction can be strengthened in the design of second rubber pad, thereby realizes effectual buffering deceleration.
Further, the outer wall of the elevator cage 100 is fixedly provided with the guide housing 110 corresponding to the extension plate 720, and the extension plate 720 penetrates through the guide housing 110 and the outer wall of the elevator cage 100; the design of guide holder can further strengthen being connected between extension board and the elevator case, and increase area of contact provides more effective support for the extension board, prevents that the structure from warping or damaging.
Furthermore, one side of the supporting frame 710, which is far away from the second guide pulley 750, is provided with two mounting grooves 711, the two mounting grooves 711 are respectively located at the upper part and the lower part of the supporting frame 710, one end of the mounting groove 711, which is far away from the supporting frame 200, is open, the bottom of the mounting groove 711 is provided with a strip-shaped hole, and the strip-shaped hole extends through one side of the supporting frame 710, which is close to the supporting frame 200; the hook 760 comprises a frame plate 761, one end, close to the support frame 200, of the frame plate 761 is bent downwards to form a hook part 762, the width of the frame plate 761 is consistent with the width of the strip-shaped hole, the thickness of the frame plate 761 is consistent with the thickness of the strip-shaped hole, the frame plate 761 extends into the mounting groove 711 through the strip-shaped hole, a push rod motor 770 is fixedly mounted in the mounting groove 711, and the push rod motor 770 drives the frame plate 761 to move along the strip-shaped hole; the hook can be driven to move through the push rod motor, when the hook is retracted, the normal movement of the elevator cage is not influenced, and when the hook extends out, the hook part can be hung above the frame strip, and the elevator cage can be stably hung on the support frame through the design of the plurality of hooks; two infrared sensors 780 are embedded and installed on the side wall of the supporting frame 710 close to the supporting frame 200, and the two infrared sensors 780 are respectively positioned below the two strip-shaped holes; the distance between the two infrared sensors 780 and the distance between the two hooks 760 are both consistent with the distance between any two adjacent vertical frame strips on the support frame 200, the infrared sensors are designed to be used for judging the moving position of the elevator cage, and more specifically, when the two infrared sensors detect external frame strips simultaneously after the speed reduction is finished, the push rod motor drives the hooks to push the hooks outwards, the hooks are positioned above the corresponding frame strips at the moment, and the elevator cage continuously moves downwards to a preset stroke, so that the hooks lean against the frame strips; moreover, the starting chuck provides preset clamping force to lock the transmission shaft; the cylinder also drives the second guide pulley to be in firm abutting fit with the guide strip; effective locking is formed between the cooperation of multiple points, the elevator cage is stably supported, and the escape time is provided for people in the elevator cage.
Further, the two ends of one side of the supporting frame 200 close to the elevator cage 100 are fixedly provided with the supporting plates 210, the supporting plates 210 extend vertically, the supporting plates 210 are welded and fixed on the supporting frame 200, one side of the supporting plates 210 far away from the gear 410 extends outwards, the guide strips 430 are fixed on one side of the supporting plates 210 far away from the elevator cage 100, and the guide strips 430 and the supporting plates 210 are of an integral structure; the rack 420 is fixedly welded on the support frame 200; the support plate and the support frame are welded and fixed, and the rack and the support frame are welded and fixed, so that a stable connecting structure is provided, and a stable support is also provided for the guide strip; the position that the gib block set up can make it all can carry out effectual direction sliding fit with first leading sheave and second leading sheave, can prevent that the elevator cage from taking place to break away from at the removal in-process.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.
Claims (8)
1. A construction elevator with an anti-falling device comprises an elevator cage and a support frame for supporting the elevator cage to climb, wherein a driving structure is arranged in the elevator cage close to the support frame, and a gear is arranged at the end part of an output shaft of the driving structure; a rack is fixedly arranged on the supporting frame, and the gear is meshed with the rack; the elevator cage is slidably clamped on the support frame through the first guide pulley and the guide strip, and the elevator cage is driven by the driving structure to vertically move; the method is characterized in that:
including an acceleration sensor to detect a fall;
a first brake structure is arranged on one side of the driving structure, and the first brake structure can increase the rotating friction force of a transmission shaft of the driving structure, so that the buffer deceleration of the gear is realized;
the elevator cage is provided with two second brake structures corresponding to the two guide strips, and the second brake structures can form contact friction with the guide strips to realize buffer speed reduction;
the second brake structure is also provided with a telescopic hook which can be matched with a frame strip of the support frame in a hanging way.
2. The construction elevator with the anti-falling device according to claim 1, characterized in that:
the driving structure comprises a motor and a reduction gearbox, a reduction gear set, the transmission shaft and the output shaft are arranged in the reduction gearbox, the output shaft penetrates through the side wall of the elevator cage, the end part of the output shaft is fixedly connected with the gear, the transmission shaft penetrates through the side wall of the reduction gearbox, one end of the transmission shaft is fixedly connected with the end part of a rotating shaft of the motor, and the other end of the transmission shaft extends outwards;
first brake structure includes two at least air chuck, and the transmission shaft is located to the air chuck cover, and air chuck passes through the support to be fixed at the inner wall of elevator case.
3. The construction elevator with the anti-falling device according to claim 2, characterized in that:
the inner wall of the jack catch of the pneumatic chuck is fixedly provided with a first rubber pad.
4. The construction elevator with the anti-falling device according to claim 1, characterized in that:
the second brake structure comprises a supporting frame, an extending plate is fixedly arranged on one side of the supporting frame, the extending plate extends vertically along the supporting frame, one side, far away from the supporting frame, of the extending plate movably penetrates through the side wall of the elevator cage and extends into the elevator cage, two cylinders are fixedly arranged in the elevator cage corresponding to the extending plate, a push plate is arranged on a fixed frame between the end parts of piston rods of the two cylinders, and the push plate is fixedly connected with the extending plate;
at least two second guide pulleys are installed on one side, close to the guide strip, of the supporting frame, the second guide pulleys are clamped on the guide strip in a sliding mode, and the air cylinder can drive the second guide pulleys to abut against the guide strip to form contact friction.
5. The construction elevator with the anti-falling device according to claim 4, characterized in that:
one side of the guide strip, which is close to the second guide pulley, is fixedly provided with a convex edge, the width of the convex edge is smaller than that of the guide strip, and the outer wall of the convex edge is fixedly provided with a second rubber pad; the groove bottom of the sliding groove of the second guide pulley is matched with the shape of the convex edge, and the width of the sliding groove is matched with the width of the guide strip.
6. The construction elevator with the anti-falling device according to claim 4, characterized in that:
the outer wall of elevator case corresponds the fixed guide holder that is equipped with of extension board, and the extension board runs through from the guide holder is inside to run through the outer wall of elevator case.
7. The construction elevator with the anti-falling device according to claim 4, characterized in that:
two mounting grooves are formed in one side, away from the second guide pulley, of the supporting frame and are respectively located at the upper portion and the lower portion of the supporting frame, one end, away from the supporting frame, of each mounting groove is open, a strip-shaped hole is formed in the bottom of each mounting groove, and each strip-shaped hole extends to one side, close to the supporting frame, of the supporting frame;
the hook comprises a frame plate, one end, close to the support frame, of the frame plate is bent downwards to form a hook part, the width of the frame plate is consistent with that of the strip-shaped hole, the thickness of the frame plate is consistent with that of the strip-shaped hole, the frame plate extends into the mounting groove through the strip-shaped hole, a push rod motor is fixedly mounted in the mounting groove, and the push rod motor drives the frame plate to move along the strip-shaped hole;
two infrared sensors are embedded and mounted on the side wall of the support frame close to the support frame, and the two infrared sensors are respectively positioned below the two strip-shaped holes;
the distance between the two infrared sensors and the distance between the two hooks are consistent with the distance between any two adjacent vertical frame strips on the support frame.
8. The construction elevator with the anti-falling device according to claim 1, characterized in that:
the two ends of one side, close to the elevator cage, of the support frame are fixedly provided with support plates, the support plates extend vertically, the support plates are fixedly welded on the support frame, one side, far away from the gear, of each support plate extends outwards, the guide strips are fixed on one side, far away from the elevator cage, of each support plate, and the guide strips and the support plates are of an integral structure; the rack is fixedly welded on the support frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111131141.3A CN113830640B (en) | 2021-09-26 | 2021-09-26 | Take anti-falling device's construction elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111131141.3A CN113830640B (en) | 2021-09-26 | 2021-09-26 | Take anti-falling device's construction elevator |
Publications (2)
| Publication Number | Publication Date |
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| CN113830640A true CN113830640A (en) | 2021-12-24 |
| CN113830640B CN113830640B (en) | 2022-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111131141.3A Active CN113830640B (en) | 2021-09-26 | 2021-09-26 | Take anti-falling device's construction elevator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117262951A (en) * | 2023-11-22 | 2023-12-22 | 江苏省方正电梯有限公司 | Safety elevator with buffer function |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996001781A1 (en) * | 1994-07-08 | 1996-01-25 | Pfister, Sylvia | Self-propelled lift |
| CN201834627U (en) * | 2010-05-31 | 2011-05-18 | 李多青 | Construction lifter safety falling protector |
| CN110002320A (en) * | 2019-05-16 | 2019-07-12 | 福建工程学院 | A kind of simple elevator hypervelocity self-locking guide shoe mechanism |
| CN111847185A (en) * | 2020-07-30 | 2020-10-30 | 何秋锦 | Construction elevator anti-falling device |
| CN113120726A (en) * | 2021-03-19 | 2021-07-16 | 江苏船谷重工有限公司 | External elevator suitable for old community transformation |
-
2021
- 2021-09-26 CN CN202111131141.3A patent/CN113830640B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996001781A1 (en) * | 1994-07-08 | 1996-01-25 | Pfister, Sylvia | Self-propelled lift |
| CN201834627U (en) * | 2010-05-31 | 2011-05-18 | 李多青 | Construction lifter safety falling protector |
| CN110002320A (en) * | 2019-05-16 | 2019-07-12 | 福建工程学院 | A kind of simple elevator hypervelocity self-locking guide shoe mechanism |
| CN111847185A (en) * | 2020-07-30 | 2020-10-30 | 何秋锦 | Construction elevator anti-falling device |
| CN113120726A (en) * | 2021-03-19 | 2021-07-16 | 江苏船谷重工有限公司 | External elevator suitable for old community transformation |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117262951A (en) * | 2023-11-22 | 2023-12-22 | 江苏省方正电梯有限公司 | Safety elevator with buffer function |
| CN117262951B (en) * | 2023-11-22 | 2024-02-09 | 江苏省方正电梯有限公司 | Safety elevator with buffer function |
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| Publication number | Publication date |
|---|---|
| CN113830640B (en) | 2022-08-05 |
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Effective date of registration: 20230613 Address after: No. 318, Wufeng Industrial Avenue, Shenshan Town, Baiyun District, Guangzhou, Guangdong 510000 Patentee after: GUANGZHOU TE WEI ENG. MACHINERY Co.,Ltd. Address before: 511500 No. A02, 24 / F, Yuya garden, Guangxin garden, Renmin 1st Road, Xincheng, Qingyuan City, Guangdong Province Patentee before: Qingyuan Xinzhong Engineering Management Co.,Ltd. |