CN113266142A - Rapid lifting platform for elevator shaft construction - Google Patents
Rapid lifting platform for elevator shaft construction Download PDFInfo
- Publication number
- CN113266142A CN113266142A CN202110478470.9A CN202110478470A CN113266142A CN 113266142 A CN113266142 A CN 113266142A CN 202110478470 A CN202110478470 A CN 202110478470A CN 113266142 A CN113266142 A CN 113266142A
- Authority
- CN
- China
- Prior art keywords
- lifting platform
- fixedly connected
- elevator shaft
- spring
- platform
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
- E04G3/30—Mobile scaffolds; Scaffolds with mobile platforms suspended by flexible supporting elements, e.g. cables
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
- E04G3/30—Mobile scaffolds; Scaffolds with mobile platforms suspended by flexible supporting elements, e.g. cables
- E04G3/32—Hoisting devices; Safety devices
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
- E04G2003/286—Mobile scaffolds; Scaffolds with mobile platforms mobile vertically
Abstract
The invention relates to a lifting platform, and discloses a rapid lifting platform for elevator shaft construction, which comprises an elevator shaft and is characterized in that the elevator shaft is internally provided with the lifting platform, and the rapid lifting platform also comprises: the lifting mechanism is arranged in the elevator shaft and used for controlling the lifting of the lifting platform; the driving mechanism is arranged at the top end of the elevator shaft and used for driving the lifting mechanism to operate; the safety protection mechanism is arranged on the lifting platform, the pulling force borne by the steel cable in the lifting process of the lifting platform is reduced through the arrangement of the movable pulley assembly, the use strength of the steel cable is enhanced, the practicability of the device is improved, the device senses the acceleration of the lifting platform through the spring vibrator assembly, when the acceleration of the lifting platform is larger than a safety value, the spring vibrator assembly loses the fixed lock on the crank slider assembly, the crank slider assembly which loses the fixed lock rotates and extends out under the action of the spring power storage assembly, the lifting platform is safely protected, and the safety of the device is improved.
Description
Technical Field
The invention relates to a lifting platform, in particular to a rapid lifting platform for elevator shaft construction.
Background
The elevator is an indispensable important vertical transportation tool for high-rise buildings, with the rapid development of national economy, urban land resources are continuously reduced, and high-rise and super-high-rise buildings are more and more. In many areas, the height of high-rise buildings in recent years is basically more than 100m, and even some high-rise buildings exceed 200 m. For construction enterprises, the construction method and construction safety problems of the elevator shaft are more and more prominent, a fastener type steel pipe scaffold is erected in the elevator shaft in the traditional method, the sealing protection work of the method cannot be timely protected in place due to the existence of the operation frame, and hidden dangers are brought to safety production.
Disclosure of Invention
The invention aims to provide a quick lifting platform for elevator shaft construction, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an elevator shaft construction is with quick lift platform, includes the elevator shaft, is provided with lift platform in the elevator shaft, still includes:
the lifting mechanism is arranged in the elevator shaft and used for controlling the lifting of the lifting platform;
the driving mechanism is arranged at the top end of the elevator shaft and used for driving the lifting mechanism to operate;
safety protection mechanism sets up on lift platform, safety protection mechanism includes, sets up the safety slot on the elevartor shaft inner wall, and the clockwork spring holds power subassembly to and connect crank block subassembly and the spring oscillator subassembly that hold on the power subassembly is held to the clockwork spring, and safety subassembly holds power subassembly through the spring oscillator subassembly to the clockwork spring and carries out the solid lock, and when lift platform acceleration exceeded the safety value, the spring oscillator subassembly lost the solid lock that holds power subassembly to the clockwork spring under the promotion of effort with higher speed, and the clockwork spring holds power subassembly and drives crank block subassembly and operate, carries out safety protection to lift platform.
As a further scheme of the invention: the lifting mechanism comprises a pulley assembly fixedly connected to the lifting platform, a cable assembly connected to the pulley assembly and a winding assembly.
As a further scheme of the invention: the pulley assembly comprises at least three groups of first fixing blocks fixedly connected to the lifting platform, a fixing shaft is fixedly connected between each group of first fixing blocks, and pulleys are rotatably connected to the fixing shaft.
As a further scheme of the invention: the hawser subassembly includes the first connecting block of fixed connection on the elevartor shaft inner wall, the one end of fixedly connected with steel cable on the first connecting block, and the other end of steel cable passes the pulley and connects on the rolling subassembly.
As a further scheme of the invention: the winding assembly comprises a second fixing block fixedly connected to the outside of the elevator shaft, a rotating shaft is rotatably connected to a part of the second fixing block, a winch is fixedly connected to the rotating shaft, and the other end of the steel cable is wound on the winch.
As a further scheme of the invention: the clockwork spring holds power subassembly includes fixed cylinder of fixed connection on lift platform, is provided with the clockwork spring that the rolling held power in the fixed cylinder, and clockwork spring one end fixedly connected with rotates the connecting axle of connection in the fixed cylinder, and connecting axle one end is passed the fixed cylinder and is connected with slider-crank subassembly, clockwork spring also can be the torsional spring.
As a further scheme of the invention: slider-crank subassembly includes fixed connection and rotates the one end that is connected with the dwang on the rolling disc on the commentaries on classics ejector pin, and the dwang other end rotates and is connected with the slide bar, and slide bar sliding connection is on fixed connection is on the third fixed block on lift platform.
As a further scheme of the invention: the spring oscillator component comprises a sliding rod fixedly connected to the lifting platform, two springs are arranged on the sliding rod, a spring oscillator connected to the sliding rod in a sliding mode is arranged between the two springs, one side of the spring oscillator is fixedly connected with a second connecting block, one end of the second connecting block is fixedly connected with a fixing pin, and the fixing pin is connected to a fixing hole formed in one side of the rotating disc in a sliding mode.
As a still further scheme of the invention: the driving mechanism can be a plurality of motor output shafts fixedly connected to the multiple groups of rotating shafts, and can also be a first gear fixedly connected to the rotating shafts, a second gear is arranged on one side of the first gear and is meshed with the first gears, the second gear is fixedly connected to an output shaft of one motor, and the motor is fixedly connected to the elevator shaft.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the acceleration of the lifting platform is sensed through the spring vibrator assembly, when the acceleration of the lifting platform is greater than a safety value, the spring vibrator assembly loses the locking of the crank block assembly, the crank block assembly which loses the locking rotates and extends out under the action of the spring force storage assembly, the lifting platform is safely protected, and the safety of the device is improved.
Drawings
Fig. 1 is a schematic structural view of a rapid lifting platform for elevator shaft construction according to the present invention.
Fig. 2 is a front view of a rapid elevating platform for elevator shaft construction according to the present invention.
Fig. 3 is a right sectional view of a rapid elevating platform for elevator shaft construction according to the present invention.
Fig. 4 is a plan view of a rapid elevating platform for elevator shaft construction according to the present invention.
Fig. 5 is a bottom sectional view of a rapid elevating platform for elevator shaft construction according to the present invention.
In the figure: 1-elevator shaft, 2-lifting platform, 3-first fixed block, 4-fixed shaft, 5-pulley, 6-first connecting block, 7-steel cable, 8-second fixed block, 9-rotating shaft, 10-winch, 11-first gear, 12-second gear, 13-motor, 14-safety clamping groove, 15-fixed cylinder, 16-connecting shaft, 17-clockwork spring, 18-rotating disc, 19-rotating rod, 20-sliding rod, 21-third fixed block, 22-fixed hole, 23-sliding rod, 24-spring oscillator, 25-spring, 26-second connecting block and 27-fixed pin.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments which can be obtained by a person skilled in the art without making any inventive step based on the embodiments of the present invention shall fall within the scope of protection of the present invention, and the present invention shall be described in detail with reference to the accompanying drawings and embodiments.
Referring to fig. 1 to 5, in an embodiment of the present invention, a rapid lifting platform for elevator shaft construction includes a lifting platform 2 disposed in an elevator shaft 1, and further includes: the lifting mechanism is arranged in the elevator shaft 1 and used for controlling the lifting of the lifting platform 2; the driving mechanism is connected with the lifting mechanism and is used for driving the lifting mechanism to operate; the safety protection mechanism is arranged on the lifting platform 2 and comprises a safety clamping groove 14 arranged on the inner wall of the elevator shaft 1, a clockwork spring force accumulation assembly, a crank block assembly and a spring vibrator assembly which are connected to the clockwork spring force accumulation assembly, the safety protection mechanism locks the clockwork spring force accumulation assembly through the spring vibrator assembly, when the lifting platform is lifted, the lifting platform has an acceleration process, the spring vibrator assembly is vibrated under the pushing of an acceleration acting force, the vibration amplitude is in positive proportion to the acceleration, when the acceleration of the lifting platform 2 exceeds a safety value, the amplitude of the spring vibrator assembly is too large and exceeds the safety range of the amplitude, the spring vibrator assembly releases the locking of the clockwork spring force accumulation assembly, the torsion force accumulation assembly starts to discharge to drive the crank block assembly to transmit, and finally the crank block assembly is clamped into the safety clamping groove 14, fixing lift platform 2, realizing carrying out safety protection to lift platform 2, the device has promoted the security of device when guaranteeing lift in-process lift platform 2's stability.
In one aspect of the present embodiment, referring to fig. 2 and 4, the lifting mechanism includes a pulley assembly fixedly connected to the lifting platform 2, a cable assembly connected to the pulley assembly, and a winding assembly, the pulley assembly includes at least three first fixing blocks 3 fixedly connected to the lifting platform 2, the lifting platform 2 needs to be fixed at multiple points to ensure the stability of the lifting platform 2, a fixing shaft 4 is fixedly connected between each first fixing block 3, a pulley 5 is rotatably connected to the fixing shaft 4, the cable assembly includes a first connecting block 6 fixedly connected to the inner wall of the elevator shaft 1, one end of a cable 7 is fixedly connected to the first connecting block 6, the other end of the cable 7 passes through the pulley 5 and is connected to the winding assembly, the winding assembly includes a second fixing block 8 fixedly connected to the outside of the elevator shaft 1, the second fixing block 8 is rotatably connected with a rotating shaft 9, the rotating shaft 9 is fixedly connected with a winch 10, the winch 10 is wound with the other end of the steel cable 7, the driving mechanism can be a plurality of motor 13 output shafts fixedly connected on a plurality of groups of rotating shafts 9 or a first gear 11 fixedly connected on the rotating shaft 9, one side of the first gear 11 is provided with a second gear 12, the second gear 12 is simultaneously meshed with the first gears 11, the second gear 12 is fixedly connected on an output shaft of a motor 13, the motor 13 is fixedly connected on the elevator shaft 1, when the lifting platform 2 needs to be lifted, the driving mechanism drives the rotating shaft 9 to rotate, the rotating shaft 9 drives the winch 10 to rotate to wind the steel cable 7, the steel cable 7 drives the lifting platform 2 to be lifted through the pulley 5, the device reduces the tensile force born by the steel cable 7 in the lifting process of the lifting platform 2 through the arrangement of the pulley components, the use strength of the steel cable 7 is enhanced, and the safety of the device is improved.
In one aspect of the present embodiment, referring to fig. 3 and 5, the safety protection mechanism includes a spring force accumulation assembly, a slider-crank assembly and a spring oscillator assembly, the spring force accumulation assembly includes a fixed cylinder 15 fixedly connected to the lifting platform 2, a spring 17 wound and accumulated in the fixed cylinder 15, one end of the spring 17 is fixedly connected to a connecting shaft 16 rotatably connected to the inside of the fixed cylinder 15, one end of the connecting shaft 16 penetrates through the fixed cylinder 15 to be connected to the slider-crank assembly, the slider-crank assembly includes a rotating disc 18 fixedly connected to a rotating rod, one end of the rotating disc 18 is rotatably connected to a rotating rod 19, the other end of the rotating rod 19 is rotatably connected to a sliding rod 20, the sliding rod 20 is slidably connected to a third fixed block 21 fixedly connected to the lifting platform 2, the spring oscillator 24 assembly includes a sliding rod 23 fixedly connected to the lifting platform 2, the slide rod 23 is provided with two springs 25, a spring vibrator 24 connected with the slide rod 23 in a sliding manner is arranged between the two springs 25, one side of the spring vibrator 24 is fixedly connected with a second connecting block 26, one end of the second connecting block 26 is fixedly connected with a fixing pin 27, the fixing pin 27 is connected with a fixing hole 22 arranged on one side of the rotating disc 18 in a sliding manner, the clockwork spring 17 can also be a torsion spring, the working effect is the same as that of the clockwork spring 17, when the device is in dangerous sudden falling, the lifting device of the device is accelerated to fall under the action of gravity, the spring vibrator 24 receives the acting force opposite to the gravity under the action of the acceleration, the spring vibrator 24 moves in the opposite direction of the gravity, the spring vibrator 24 drives the fixing pin 27 to move through the second connecting block 26, the fixing pin 27 is separated from the fixing hole 22, the rotating disc 18 is not fixed, and at the moment, the spring 17 is not fixed and is reset, and drive connecting axle 16 and rotate, connecting axle 16 drives the carousel and rotates, the carousel is connected through the rotation with dwang 19 and is driven dwang 19 and rotate tensile, it stretches out to drive to rotate the slide bar 20 of connecting at the dwang 19 other end simultaneously, in advancing safety clamping groove 14 with the outermost end card of slide bar 20, accomplish the fixed to lift platform 2, the device realizes the safety protection to the device through the response to 2 accelerations of lift platform, the reliability of safety protection mechanism has been promoted, the security of device has been promoted.
The working principle of the invention is as follows: when the lifting platform 2 needs to be lifted, the device drives the rotating shaft 9 to rotate through the driving mechanism, the rotating shaft 9 drives the winch 10 to rotate to wind the steel cable 7, the steel cable 7 drives the lifting platform 2 to lift through the pulley 5, when the device is in danger and falls suddenly, the lifting device of the device is accelerated to fall under the action of gravity, the spring vibrator 24 receives acting force opposite to the gravity under the action of the acceleration, the spring vibrator 24 moves in the direction opposite to the gravity, the spring vibrator 24 drives the fixing pin 27 to move through the second connecting block 26, the fixing pin 27 is separated from the fixing hole 22, the rotating disc 18 is not fixed, at the moment, the clockwork spring 17 is not fixed to reset, the connecting shaft 16 is driven to rotate, the rotating disc 16 drives the rotating shaft 19 to rotate and stretch through the rotating connection with the rotating shaft 19, meanwhile, the sliding rod 20 which is rotatably connected to the other end of the rotating rod 19 is driven to extend, and the outermost end of the sliding rod 20 is clamped into the safety clamping groove 14, so that the safety protection of the device is completed.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. The utility model provides an elevartor shaft construction is with quick lift platform, includes the lift platform who sets up in the elevator shaft, its characterized in that still includes:
the lifting mechanism is arranged in the elevator shaft and used for controlling the lifting of the lifting platform;
the driving mechanism is connected with the lifting mechanism and is used for driving the lifting mechanism to operate;
safety protection mechanism sets up on lift platform, safety protection mechanism includes, sets up the safety slot on the elevartor shaft inner wall, the clockwork spring holds the power subassembly to and connect crank block subassembly and the spring vibrator subassembly that hold on the power subassembly is held to the clockwork spring, safety protection mechanism holds the power subassembly through the spring vibrator subassembly and carries out the solid lock to the clockwork spring, when lift platform acceleration surpasss the safe value, the spring vibrator subassembly loses the solid lock to the clockwork spring holds the power subassembly under the promotion of effort with higher speed, the clockwork spring holds the power subassembly and drives crank block subassembly and operate, carry out safety protection to lift platform.
2. The rapid elevating platform for elevator shaft construction as claimed in claim 1, wherein the elevating mechanism comprises a pulley assembly fixedly connected to the elevating platform, a cable assembly connected to the pulley assembly and a winding assembly.
3. The rapid lifting platform for elevator shaft construction according to claim 2, wherein the pulley assembly comprises at least three sets of first fixing blocks fixedly connected to the lifting platform, a fixing shaft is fixedly connected between each set of first fixing blocks, and a pulley is rotatably connected to the fixing shaft.
4. The rapid lifting platform for elevator shaft construction as claimed in claim 2, wherein the cable assembly comprises a first connecting block fixedly connected to the inner wall of the elevator shaft, one end of a steel cable is fixedly connected to the first connecting block, and the other end of the steel cable passes through the pulley and is connected to the winding assembly.
5. The rapid lifting platform for elevator shaft construction as claimed in claim 2, wherein the winding assembly comprises a second fixed block fixedly connected to the outside of the elevator shaft, a rotating shaft is movably connected between the second fixed blocks, a winch is fixedly connected to the rotating shaft, and the other end of the steel cable is wound on the winch.
6. The rapid lifting platform for elevator shaft construction according to claim 1, wherein the spring force accumulation assembly comprises a fixed cylinder fixedly connected to the lifting platform, a spring for winding and accumulating force is arranged in the fixed cylinder, one end of the spring is fixedly connected with a connecting shaft rotatably connected in the fixed cylinder, and one end of the connecting shaft penetrates through the fixed cylinder and is connected with a slider-crank assembly.
7. The rapid elevating platform for elevator shaft construction as claimed in claim 1, wherein the slider-crank assembly comprises a rotating disc fixedly connected to the rotating rod, one end of the rotating rod is rotatably connected to the rotating disc, the other end of the rotating rod is rotatably connected to a sliding rod, and the sliding rod is slidably connected to a third fixing block fixedly connected to the elevating platform.
8. The rapid lifting platform for elevator shaft construction according to claim 1, wherein the spring vibrator assembly comprises a slide rod fixedly connected to the lifting platform, two springs are arranged on the slide rod, a spring vibrator slidably connected with the slide rod is arranged between the two springs, a second connecting block is fixedly connected to one side of the spring vibrator, a fixing pin is fixedly connected to one end of the second connecting block, and the fixing pin is slidably connected to a fixing hole on one side of the rotating disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110478470.9A CN113266142B (en) | 2021-04-30 | 2021-04-30 | Rapid lifting platform for elevator shaft construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110478470.9A CN113266142B (en) | 2021-04-30 | 2021-04-30 | Rapid lifting platform for elevator shaft construction |
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| CN113266142A true CN113266142A (en) | 2021-08-17 |
| CN113266142B CN113266142B (en) | 2022-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110478470.9A Active CN113266142B (en) | 2021-04-30 | 2021-04-30 | Rapid lifting platform for elevator shaft construction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115478670A (en) * | 2022-10-25 | 2022-12-16 | 宣城市政建设集团有限公司 | Safety protection system of lifting support |
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| Publication number | Publication date |
|---|---|
| CN113266142B (en) | 2022-04-19 |
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Address after: No.114, Jiaodaokou South Street, Dongcheng District, Beijing, 100007 Patentee after: CCCC Construction Group Co.,Ltd. Address before: 100020 27th floor, building a, Jindi center, 91 Jianguo Road, Chaoyang District, Beijing Patentee before: CCCC FOURTH HIGHWAY ENGINEERING Co.,Ltd. |
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Effective date of registration: 20221228 Address after: No.114, Jiaodaokou South Street, Dongcheng District, Beijing, 100007 Patentee after: CCCC Construction Group Co.,Ltd. Patentee after: East China Engineering Co., Ltd. of CCCC Fourth Highway Engineering Co.,Ltd. Address before: No.114, Jiaodaokou South Street, Dongcheng District, Beijing, 100007 Patentee before: CCCC Construction Group Co.,Ltd. |
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| TR01 | Transfer of patent right |