CN216446475U - Lifting operation frame for construction of elevator shaft - Google Patents
Lifting operation frame for construction of elevator shaft Download PDFInfo
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- CN216446475U CN216446475U CN202122913216.5U CN202122913216U CN216446475U CN 216446475 U CN216446475 U CN 216446475U CN 202122913216 U CN202122913216 U CN 202122913216U CN 216446475 U CN216446475 U CN 216446475U
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- subassembly
- elevator shaft
- speed reducing
- bottom plate
- operation frame
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Abstract
The utility model discloses a lifting operation frame for elevator shaft construction, which mainly relates to the technical field of building engineering, and improves the stability of a jacking platform assembly during movement by limiting the movement speed of the lifting platform assembly, so as to prevent the situation that a lifting rope is broken due to the fact that a top plate and a bottom plate fall too fast when the voltage of a driving motor is unstable; through preventing that it goes up and down to prevent that subassembly and elevartor shaft sliding fit are connected the lift handling frame of being convenient for, when breaking down or cutting off the power supply suddenly, prevent that the subassembly will lose the power supply, thereby prevent that the subassembly effect of preventing now from preventing to fall down the elevating platform subassembly and spacing to the elevating platform subassembly, prevent that the elevating platform subassembly from crashing under emergency to this safety in utilization who improves the device has solved among the prior art lift device and has appeared the problem that the translation rate is unstable easily, the lift handling frame does not drop when proruption cuts off the power supply.
Description
Technical Field
The utility model relates to the technical field of building engineering, in particular to a lifting operation frame for elevator shaft construction.
Background
In general, a framework type platform, which is used to carry materials and perform various operations in a certain period of time, is called an operation frame, and in a construction site of a building, since the interior of an elevator shaft is too high, an elevating type operation frame which can adapt to the height of the elevator shaft and freely ascend and descend in the elevator shaft is required to assist construction for constructors.
Most common lifting operation frames on the market are driven by lifting ropes, the lifting ropes are stored or put down by a motor drive wheel disc, the lifting operation frame at the tail end of the lifting ropes is controlled to lift, the lifting speed of the operation frame in the lifting process depends on the rotating speed of a motor, power supply lines of a construction site need to bear power supplies of a plurality of large-scale instruments, so that unstable voltage often occurs, the power supply of the motor becomes unstable when the voltage is unstable, the rotating speed of the motor possibly slows down or increases, the descending speed of a top plate and a bottom plate is too high due to the fact that most common lifting operation frames do not have the function of limiting the speed of the top plate and the bottom plate, the potential safety hazard that the lifting ropes are stretched off when in emergency stops occurs is caused, and in addition, most common lifting operation frames in an elevator well are limited by a circuit control limiting device to avoid falling down, however, in the case of fire, power failure, or short circuit, for example, the power supply to the circuit-controlled limiting device is lost, and the protection effect on the operation rack is also lost, which makes it difficult to limit and protect the operation rack.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides a lifting operation frame for elevator shaft construction, which solves the problems that a lifting device in the prior art is easy to have unstable moving speed and the lifting operation frame falls down without protection when power is suddenly cut off.
The technical scheme of the utility model is realized as follows: a lifting operation frame for elevator shaft construction comprises a lifting platform assembly, wherein the lifting platform assembly is connected with the side wall of an elevator shaft through an anti-falling assembly, and the anti-falling assembly can lock the lifting platform assembly under sudden power failure and fault conditions to prevent the lifting platform assembly from falling; the elevating platform subassembly is connected with the elevartor shaft top through the hoisting subassembly, still can be provided with on the elevating platform subassembly with hoisting subassembly matched with steady speed device elevating platform subassembly maintain uniform motion under steady speed device and hoisting subassembly's combined action, avoid causing elevating platform subassembly surge or jerk when voltage abrupt change, arouse phenomenons such as stay cord fracture, improve the security of construction.
Preferably, the elevating platform subassembly includes the roof, and roof upper portion is connected with the hoisting subassembly, and box fixedly connected with bottom plate is passed through to the roof below, is connected with the bearing plate through damping spring on the bottom plate, is provided with the operation panel on the bearing plate, and the bottom plate is connected with the elevartor shaft lateral wall through preventing weighing down the subassembly, and the bottom plate cooperatees with the hoisting subassembly through steady speed device.
Preferably, prevent weighing down the subassembly and include the stopper, stopper one end and bottom plate fixed connection, the stopper other end is connected with the spacing groove sliding fit who sets up at the elevartor shaft lateral wall, and the symmetry is equipped with flexible groove on the wall of spacing groove both sides, and flexible inslot is provided with the clamp splice of being connected with the stopper cooperation, and the clamp splice is connected with the push rod device transmission, and the push rod device is fixed to be set up at flexible inslot.
Preferably, the clamping blocks are wedge-shaped blocks, and two corresponding wedge-shaped blocks on two side walls of the limiting groove form a movable opening clamping part with a narrow top and a wide bottom.
Preferably, the push rod device comprises an electromagnetic push rod, one end of the electromagnetic push rod is connected with the clamping block, an electromagnetic coil is sleeved outside the electromagnetic push rod and fixedly arranged in the telescopic groove, a spring for resetting is further arranged at one end of the electromagnetic push rod, and the spring is fixedly connected with the electromagnetic coil.
Preferably, the lifting assembly comprises a driving device, the driving device is arranged at the top of the elevator shaft, and the driving device is in transmission connection with the top plate through a transmission device.
Preferably, the driving device is a driving motor, the transmission device comprises a wheel disc which is arranged on the driving motor in a transmission manner, and the wheel disc is in transmission connection with the top plate through a lifting rope.
Preferably, speed stabilizing device includes the retarder, and retarder one end is passed through the bearing frame with elevartor shaft one end and is rotated and be connected, and the transmission of the retarder other end is connected with servo motor, and servo motor is fixed to be set up at the elevartor shaft other end, and the retarder passes through the speed reduction ring and is connected with the bottom plate transmission, opens on bearing plate and the roof have with retarder (201) complex through-hole.
Preferably, the speed reducing rod is a threaded lead screw, the speed reducing ring is a threaded flange bearing, and the speed reducing rod is in threaded transmission connection with the speed reducing ring.
Preferably, the operation panel is electrically connected with the driving motor, the servo motor and the push rod device.
The utility model has the beneficial effects that: the moving speed of the lifting platform assembly is limited, so that the stability of the lifting platform assembly during moving is improved, and the situation that the lifting rope is broken due to the fact that the top plate and the bottom plate fall too fast when the voltage of the driving motor is unstable is prevented; through preventing that the subassembly is connected with elevartor shaft sliding fit is convenient for the lift handling frame and goes up and down, when breaking down or cut off the power supply suddenly, prevent that the subassembly will lose the power supply, thereby prevent that the subassembly effect of preventing to fall down the elevating platform subassembly spacing this moment, prevent that the elevating platform subassembly from crashing under emergency to this improves the safety in utilization of device.
Drawings
In order to illustrate the embodiments of the utility model more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, it being apparent that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be derived from those drawings by a person skilled in the art without inventive effort.
FIG. 1 is a schematic view of an axial structure of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic top view of a bottom deck of the present invention;
FIG. 4 is a schematic structural view of the fall arrest assembly of the present invention;
in the figure: 1. an elevator shaft; 101. a limiting groove; 102. a telescopic groove; 103. an electromagnetic coil; 104. an electromagnetic push rod; 105. a clamping block; 2. a top plate; 201. a speed reduction lever; 202. a drive device; 203. a lifting rope; 3. a base plate; 301. a speed reduction ring; 302. a damping spring; 303. a bearing plate; 304. a limiting block; 4. an operation platform.
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 inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1 and 2, in embodiment 1, a lifting operation frame for elevator shaft construction comprises a lifting platform assembly, wherein the lifting platform assembly is connected with the side wall of an elevator shaft 1 through a falling prevention assembly, and the falling prevention assembly can lock the lifting platform assembly under sudden power failure and fault conditions to prevent the lifting platform assembly from falling; the elevating platform subassembly is connected with 1 top of elevartor shaft through the hoisting subassembly, still can be provided with on the elevating platform subassembly with hoisting subassembly matched with steady speed device elevating platform subassembly maintain uniform motion under steady speed device and hoisting subassembly's combined action, avoid causing elevating platform subassembly surge or jerk when voltage abrupt change, arouse phenomenons such as stay cord fracture, improve the security of construction.
This embodiment is when using, and when bottom plate 3 removed in elevartor shaft 1 is inside, stopper 304 will also slide in spacing groove 101, can prevent that bottom plate 3 from causing the condition of whole slope to take place at the skew of slip in-process through stopper 304 and spacing groove 101 this moment to stability when this promotion bottom plate 3 goes up and down.
As shown in fig. 3 and 4, in embodiment 4, on the basis of embodiment 3, telescopic grooves 102 are formed in two side walls of the limiting groove 101, clamping blocks 105 connected with the limiting block 304 in a matched manner are arranged in the telescopic grooves 102, the clamping blocks 105 are in transmission connection with a push rod device, and the push rod device is fixedly arranged on the inner wall of the telescopic grooves 102.
Before use, the clamping blocks 105 are pushed by the push rod device to move towards the direction close to the limiting blocks 304, at the moment, the clamping blocks 105 on the two sides clamp the lower parts of the limiting blocks 304 to prevent the limiting blocks 304 from sliding downwards, so that the bottom plate 3 is limited, and accidents caused by the falling of the bottom plate 3 are avoided; in use, the clamp block 105 is pulled by the push rod device to move away from the stop block 304, and the stop block 304 is unlocked.
Embodiment 5, on the basis of embodiment 4, the clamping block is a wedge-shaped block, two wedge-shaped blocks corresponding to two side walls of the limiting groove 101 form a movable-opening clamping piece with a narrow top and a wide bottom, when the limiting block 304 on the bottom plate 3 slides in the limiting groove 101, the limiting block 304 can push the wedge-shaped blocks at two sides of the limiting groove 101 to two sides when sliding from bottom to top, the pushing rod device includes an electromagnetic pushing rod 104, one end of the electromagnetic pushing rod 104 is connected with the clamping block 105, an electromagnetic coil 103 is sleeved outside the electromagnetic pushing rod 104, the electromagnetic coil 103 is fixedly arranged on the telescopic groove 102, one end of the electromagnetic pushing rod 104 is further provided with a spring for resetting, the spring is fixedly connected with the electromagnetic coil 103, and when the electromagnetic coil 103 is powered on, the electromagnetic pushing rod 104 pulls the clamping block 105 to move and compresses the spring under the electromagnetic action, so as to unlock the bottom plate 3; when sudden failure or power failure occurs, the electromagnetic coil 103 is powered off, and the spring drives the electromagnetic push rod 104 to reset, so that the clamping block 105 is pushed to lock the bottom plate 3, the bottom plate 3 is prevented from falling in a sudden situation, and the use safety of the device is improved.
Embodiment 6, on the basis of embodiment 5, the lifting assembly comprises a driving device 202, the driving device 202 is arranged at the top of the elevator shaft 101, and the driving device 202 is in transmission connection with the top plate 2 through a transmission device; the operation table 4 is electrically connected with the driving motor, the servo motor and the push rod device.
The driving device 202 is a driving motor, the transmission device comprises a wheel disc which is arranged on the driving motor in a transmission way, and the wheel disc is connected with the top plate 2 in a transmission way through a lifting rope 203; 1 top of elevartor shaft is provided with driving motor, driving motor one side drive is connected with the rim plate, the cover is equipped with lifting rope 203 on the rim plate, and lifting rope 203 bottom and 2 fixed connection of roof, operation panel 4 and driving motor electric connection, in the use, the user can begin to rotate through operation panel 4 control driving motor, and begin to rotate through driving motor drive carousel, lifting rope 203 that the outer surface cover of carousel established when the carousel is rotatory just will be put down or pack up, with this through putting down or packing up the decline and the rising of lifting rope 203 control roof 2 and bottom plate 3.
Embodiment 7, on the basis of embodiment 6, the speed stabilizing device includes a deceleration rod 201, one end of the deceleration rod 201 is rotatably connected with one end of the elevator shaft 1 through a bearing seat, the other end of the deceleration rod 201 is connected with a servo motor in a transmission manner, the servo motor is fixedly arranged at the other end of the elevator shaft 1, the deceleration rod 201 is connected with the bottom plate 3 through a deceleration ring 301 in a transmission manner, and through holes meeting the requirement of the movement of the deceleration rod 201 are formed in the bearing plate 303 and the top plate 2; the speed reducing rod 201 is a threaded lead screw, the speed reducing ring 301 is a threaded flange bearing, and the speed reducing rod 201 is in threaded transmission connection with the speed reducing ring 301.
The speed reducing rod 201 is made of a titanium alloy material, the titanium alloy material has the characteristics of high strength and good corrosion resistance, so that when the speed reducing rod 201 is in transmission connection with the bottom plate 3, the speed reducing rod can resist corrosion of various impurities in air, the service life of the speed reducing rod 201 is prolonged, and the speed reducing rod 201 has the characteristics of high strength, can bear the reaction force during crushing, and avoids the speed reducing rod 201 from being damaged during crushing the air;
meanwhile, the speed reducing rod 201 can also be made of stainless steel, alloy steel also has good mechanical strength and corrosion resistance, the speed reducing rod 201 is made of a material which is high in strength and corrosion resistant preferentially, the stainless steel and the titanium alloy material also meet the requirements, but the strength of the stainless steel is lower than that of the titanium alloy, so that the stainless steel is in transmission connection with the bottom plate 3 for a long time and is easy to damage, the crushing effect is reduced, the speed reducing rod 201 needs to be replaced, and therefore the titanium alloy material is selected as a material for making the speed reducing rod 201.
The bottom of the elevator shaft 1 is provided with a plurality of servo motors, the top of each servo motor is in driving connection with a speed reducing rod 201, the top end of each speed reducing rod 201 is in rotating connection with the elevator shaft 1 through a ball bearing, four driving ports are formed in the bottom plate 3, a speed reducing ring 301 is arranged in each driving port, a first thread is arranged on the outer surface of each speed reducing rod 201, a second thread is formed on the inner wall of each speed reducing ring 301, the speed reducing rods 201 are in threaded connection with the speed reducing rings 301 through the first threads and the second threads, when a user starts the driving motors, the servo motors are started simultaneously, the speed reducing rods 201 are driven by the servo motors to rotate continuously, when the bottom plate 3 moves up and down, the speed reducing rings 301 are driven to move on the speed reducing rods 201, when the moving speed of the bottom plate 3 is too fast, the speed reducing rings 301 are limited by the rotating speed of the speed reducing rods 201 under the effect of threaded connection, and only when the speed reducing rods 201 rotate for a certain number of turns, the bottom plate 3 can correspondingly move for a certain distance, therefore, the moving speed of the bottom plate 3 is limited, so that the stability of the top plate 2 and the bottom plate 3 during moving is improved, the situation that the lifting ropes 203 are excessively quickly pulled off when the voltage of the driving motor is unstable is prevented, and the use safety of the device is improved.
When the elevator shaft is used, firstly, the elevator shaft 1 and the operating platform 4 are electrified, the push rod device is not in an electrified state, the clamping plates are attached to two sides of the limiting block 304 under the pushing of the push rod device, the clamping blocks 105 on the two sides clamp two sides of the limiting block 304 at the moment, the limiting block 304 is prevented from moving continuously, the limiting block 304 is clamped to limit the bottom plate 3 in a clamping way, the bottom plate 3 is prevented from moving, a worker can convey goods to the bearing plate 303 at the moment, the worker can stand on the bearing plate 303 to construct the interior of the elevator shaft 1 at the same time, the shaking of the bearing plate 303 is reduced through the damping spring 302, the shaking amplitude of the bottom plate 3 to the speed reducing rod 201 is further reduced, the situation that the speed reducing rod 201 and the driving motor are damaged due to too large shaking is prevented, when the worker needs to lift in the elevator shaft 1, a user can electrify the push rod device through the operating platform 4, the push rod device drives the clamping blocks 105 to retract into the telescopic slot 102, at the same time, the limiting blocks 304 lose the clamping limiting of the clamping blocks 105 and can freely slide in the limiting slots 101, so that the limitation on the bottom plate 3 is removed, the driving motor can be controlled by the operating platform 4 to start rotating, the turntable is driven by the driving motor to start rotating, when the turntable rotates, the lifting rope 203 sleeved on the outer surface of the turntable is put down or put up, so that the lifting rope 203 is put down or put up to control the top plate 2 and the bottom plate 3 to descend and ascend, when the bottom plate 3 moves, the speed reducing ring 301 is driven to move on the speed reducing rod 201, when the speed reducing ring 301 moves along with the bottom plate 3, the speed reducing ring 301 continuously rotates under the effect of threaded connection, when the moving speed of the bottom plate 3 is too high, the speed reducing ring 301 limits the speed reducing ring 301, and only when the speed reducing ring 301 rotates for a certain number of turns, the bottom plate 3 can correspondingly move for a certain distance, the moving speed of the bottom plate 3 is limited, so that the stability of the top plate 2 and the bottom plate 3 during moving is improved, the situation that the lifting rope 203 is excessively quickly broken when the voltage of the driving motor is unstable is prevented, the use safety of the device is improved, when the bottom plate 3 moves in the elevator shaft 1, the limiting block 304 also slides in the limiting groove 101, and the situation that the bottom plate 3 deviates in the sliding process to cause integral inclination can be prevented through the clamping of the limiting block 304 and the limiting groove 101, so that the stability of the bottom plate 3 during lifting is improved.
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 utility model, 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 (10)
1. The utility model provides a lift handling frame of elevartor shaft construction usefulness which characterized in that: including the elevating platform subassembly, the elevating platform subassembly is connected with elevartor shaft (1) lateral wall through preventing weighing down the subassembly, and the elevating platform subassembly is connected with elevartor shaft (1) top through promoting the subassembly, still is provided with on the elevating platform subassembly with promote subassembly matched with steady speed device.
2. The lift operation frame for elevator shaft construction according to claim 1, wherein: the elevating platform subassembly includes roof (2), and roof (2) upper portion is connected with the hoisting component, and connecting rod fixedly connected with bottom plate (3) are passed through to roof (2) below, are connected with bearing plate (303) through damping spring (302) on bottom plate (3), are provided with operation panel (4) on bearing plate (303), and bottom plate (3) are connected with elevartor shaft (1) lateral wall through preventing weighing down the subassembly, and bottom plate (3) cooperate with the hoisting component through steady speed device.
3. The lift operation frame for elevator shaft construction according to claim 2, wherein: the anti-falling assembly comprises a limiting block (304), one end of the limiting block (304) is fixedly connected with the bottom plate (3), the other end of the limiting block (304) is connected with a limiting groove (101) formed in the side wall of the elevator shaft (1) in a sliding fit mode, telescopic grooves (102) are symmetrically formed in the two side walls of the limiting groove (101), clamping blocks (105) connected with the limiting block (304) in a matched mode are arranged in the telescopic grooves (102), the clamping blocks (105) are connected with the push rod device in a transmission mode, and the push rod device is fixedly arranged in the telescopic grooves (102).
4. The lift operation frame for elevator shaft construction according to claim 3, wherein: the clamping blocks (105) are wedge-shaped blocks, and two wedge-shaped blocks corresponding to two side walls of the limiting groove (101) form a movable opening clamping piece with a narrow upper part and a wide lower part.
5. The lift operation frame for elevator shaft construction according to claim 3 or 4, wherein: the push rod device comprises an electromagnetic push rod (104), one end of the electromagnetic push rod (104) is connected with a clamping block (105), an electromagnetic coil (103) is sleeved outside the electromagnetic push rod (104), the electromagnetic coil (103) is fixedly arranged in a telescopic groove (102), one end of the electromagnetic push rod is further provided with a spring for resetting, and the spring is fixedly connected with the electromagnetic coil.
6. The elevator shaft construction lifting/lowering operation frame according to any one of claims 2 to 4, wherein: the lifting assembly comprises a driving device (202), the driving device (202) is arranged at the top of the elevator shaft (1), and the driving device (202) is in transmission connection with the top plate (2) through a transmission device.
7. The lift operation frame for elevator shaft construction according to claim 6, wherein: the driving device (202) is a driving motor, the transmission device comprises a wheel disc which is arranged on the driving motor in a transmission mode, and the wheel disc is connected with the top plate (2) in a transmission mode through a lifting rope (203).
8. The lift operation frame for elevator shaft construction according to claim 7, wherein: the speed stabilizing device comprises a speed reducing rod (201), one end of the speed reducing rod (201) is rotatably connected with one end of the elevator shaft (1) through a bearing seat, the other end of the speed reducing rod (201) is connected with a servo motor in a transmission mode, the servo motor is fixedly arranged at the other end of the elevator shaft (1), the speed reducing rod (201) is connected with the bottom plate (3) in a transmission mode through a speed reducing ring (301), and a through hole matched with the speed reducing rod (201) is formed in the bearing plate (303) and the top plate (2).
9. The lift operation frame for elevator shaft construction according to claim 8, wherein: the speed reducing rod (201) is a threaded lead screw, the speed reducing ring (301) is a threaded flange bearing, and the speed reducing rod (201) is in threaded transmission connection with the speed reducing ring (301).
10. The lift operation frame for elevator shaft construction according to claim 8 or 9, wherein: the operating platform (4) is electrically connected with the driving motor, the servo motor and the push rod device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122913216.5U CN216446475U (en) | 2021-11-25 | 2021-11-25 | Lifting operation frame for construction of elevator shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122913216.5U CN216446475U (en) | 2021-11-25 | 2021-11-25 | Lifting operation frame for construction of elevator shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216446475U true CN216446475U (en) | 2022-05-06 |
Family
ID=81353342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122913216.5U Active CN216446475U (en) | 2021-11-25 | 2021-11-25 | Lifting operation frame for construction of elevator shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216446475U (en) |
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2021
- 2021-11-25 CN CN202122913216.5U patent/CN216446475U/en active Active
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