CN112049401A - Lifting device and method of attached self-lifting high-altitude sliding mode operation platform - Google Patents
Lifting device and method of attached self-lifting high-altitude sliding mode operation platform Download PDFInfo
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- CN112049401A CN112049401A CN202010933877.1A CN202010933877A CN112049401A CN 112049401 A CN112049401 A CN 112049401A CN 202010933877 A CN202010933877 A CN 202010933877A CN 112049401 A CN112049401 A CN 112049401A
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- 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
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- 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
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
- E04G11/20—Movable forms; Movable forms for moulding cylindrical, conical or hyperbolical structures; Templates serving as forms for positioning blocks or the like
- E04G11/22—Sliding forms raised continuously or step-by-step and being in contact with the poured concrete during raising and which are not anchored in the hardened concrete; Arrangements of lifting means therefor
- E04G11/24—Construction of lifting jacks or climbing rods for sliding forms
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- 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
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
A lifting device and a method of an attached self-lifting high-altitude slip form operation platform belong to the field of construction equipment; the device comprises a main lifting mechanism and an auxiliary lifting mechanism, wherein the two lifting mechanisms are respectively arranged in two different platform frames of the same platform; the main lifting mechanism and the auxiliary lifting mechanism comprise main hooks and hydraulic systems; the main hook comprises a first main hook and a second main hook which are identical in structure, the two main hooks respectively comprise a hook body, a connecting assembly and a hydraulic cylinder, the hydraulic cylinder is fixedly arranged on the bottom surface of the platform frame, and a piston rod of the hydraulic cylinder is connected with the hook body through the connecting assembly; the position relation between the hook body and a support beam of the attachment frame on the wall body is controlled by the extension of a piston rod of the hydraulic cylinder, and the platform frame is driven to ascend or descend by the control hydraulic cylinder through the extension of the piston rod; the hydraulic system drives the main lifting mechanism and the auxiliary lifting mechanism to work synchronously. The climbing device is simple in structure and operation, is convenient to operate and use on a construction site, and overcomes the defects that climbing equipment is complex and is difficult to operate in the prior art.
Description
Technical Field
The invention belongs to the field of construction equipment, and particularly relates to a lifting device and a lifting method of an attached self-lifting high-altitude slip form operation platform.
Background
The attached lifting operating platform is a novel operating platform which is rapidly developed in the high-speed urbanization process in the beginning of the 21 st century. The operation platform can descend or ascend along the outer wall surface of the high-rise building by means of power so as to meet the requirement of high-rise building construction. The operation platform technology completely subverts the prior operation platform technology and is mainly embodied as follows: one, the frame is not required to be turned over; and the repeated disassembly and assembly work of the operating platform is completely avoided, the limitation caused by overhigh building height is avoided, and the construction cost of the high-rise building is reduced to a certain extent.
By analyzing the existing climbing device, the problems and the defects existing in the climbing device can be easily found out:
(1) at present, the lifting mechanisms of most operating platforms adopt the lifting mode of an electric hoist, the bearing capacity of the climbing mechanisms is low, the climbing mechanisms lack mutual coordination, the automatic control capacity is poor, and the climbing synchronism of the platforms is poor. Therefore, in practical use, the lifting mode of the electric hoist is adopted, and the platform is rarely lowered.
(2) The hydraulic climbing mould product that uses at present has adopted to set up the lug on H shaped steel guide rail and by the climbing mode of pneumatic cylinder jacking, and this system of climbing makes the operation of climbing of whole platform complicated, and it is inefficient to climb, and is consuming time long, and is unfavorable for the platform operation of descending.
Disclosure of Invention
The technical problem to be solved is as follows:
in order to avoid the defects of the prior art, the invention provides the lifting device of the attached self-lifting high-altitude slip form operation platform, which overcomes the defects that the climbing equipment of the operation platform is complex, is not easy to operate and has limited use function.
The technical scheme of the invention is as follows: the utility model provides an attached type is from elevating high altitude slipform operation platform's elevating gear which characterized in that: the device comprises a main lifting mechanism and an auxiliary lifting mechanism, wherein the two lifting mechanisms are respectively arranged in two different platform frames of the same platform; the main lifting mechanism and the auxiliary lifting mechanism comprise main hooks and hydraulic systems;
the main hook comprises a first main hook and a second main hook which are arranged in parallel, the first main hook and the second main hook are the same in structure and comprise a hook body, a connecting assembly and a hydraulic cylinder, an outer cylinder of the hydraulic cylinder is fixedly arranged on the bottom surface of the platform frame through a hydraulic cylinder base, and the outer end of a piston rod of the hydraulic cylinder is connected with the hook body through the connecting assembly; the position relation between the hook body and a support beam of an attachment frame on the wall body is controlled by the extension and contraction of a piston rod of a hydraulic cylinder, and the platform frame is further driven to ascend or descend by the control hydraulic cylinder through the extension and contraction of the piston rod;
the hydraulic system is positioned in the platform frame, and output and input oil pipes of the hydraulic system are respectively connected with hydraulic cylinders of the main lifting mechanism and the auxiliary lifting mechanism; the hydraulic system comprises an oil tank, a motor, an oil circuit manifold block and a hydraulic pump, wherein the oil tank is fixedly arranged on the platform frame through bolts; the motor and an oil circuit integrated block integrated with an overflow valve, an electromagnetic directional valve, a flow distributing and collecting valve and a balance valve are respectively arranged on an oil tank; the hydraulic pump is arranged at the output shaft end of the motor; the hydraulic cylinder of the auxiliary lifting mechanism is connected with the hydraulic system of the main lifting mechanism through a hydraulic pipe, and the main lifting mechanism and the auxiliary lifting mechanism are driven to synchronously work through the hydraulic system, so that the lifting and descending actions of the platform are realized.
The further technical scheme of the invention is as follows: the hook body of the first main hook and the second main hook is of a plate-shaped structure, the bottom edge of the hook body is connected with the connecting assembly, one side of the hook body is a bevel edge which forms an included angle of 55 degrees with the horizontal plane and is used for realizing the displacement of the hook body when the hook body rises, and the lower end of the bevel edge is provided with a convex block extending out of the bottom edge to form the hook.
The further technical scheme of the invention is as follows: the connecting component of the first main hook and the second main hook comprises a cam disc, a main hook body pull rod, a limiting block, a U-shaped adjusting clamp, a pin shaft, a lock pin and a lock pin ring; the limiting block and the cam disc are respectively arranged on the side surface of the hook body through bolts;
the upper end of the pull rod of the main hook body is connected with the bottom edge of the hook body, and the lower end of the pull rod of the main hook body is symmetrically provided with a pair of lug plates with connecting holes which are clamped on two sides of the outer end head of the piston rod; the U-shaped adjusting clamp consists of a handle and a clamping plate with a U-shaped section, the handle is fixed on the bottom surface of the U-shaped clamping plate, opposite side walls of the U-shaped clamping plate are arranged on the outer sides of a pair of lugs of the main hook body pull rod, and connecting holes are formed in the side walls; the piston rod of the hydraulic cylinder, the lug of the pull rod of the main hook body and the U-shaped clamping plate of the U-shaped adjusting clamp are connected together sequentially from inside to outside through a pin shaft, so that the piston rod, the lug of the pull rod of the main hook body and the U-shaped clamping plate are movably matched;
the cam disc is an eccentric large semicircular disc, and a locking hole is formed on the cam disc close to the arc edge; when the cam disc rotates upwards to enable the included angle between the straight edge of the cam disc and the horizontal line to be 45 degrees, an annular lock pin ring is fixed on the outer surface of one side of the main hook body pull rod at the position corresponding to the lock hole on the cam disc, the lock pin is arranged in the lock pin ring and is in movable fit with the lock pin ring, the axial direction of the lock pin ring is mutually vertical to the disc surface of the cam disc, when the lock hole on the cam disc and the axial direction of the lock pin ring are at the same horizontal position, one end of the lock pin is manually inserted into the lock hole of the cam disc, and the cam disc; when the lock pin is released manually, the cam disc naturally droops under the action of self-weight, so that the displacement of the whole hook body mechanism can be realized when the hook body descends.
The further technical scheme of the invention is as follows: the inner diameters of the connecting hole of the U-shaped clamping plate, the connecting hole on the lug piece of the main hook body pull rod and the connecting hole on the outer end head of the piston rod of the hydraulic cylinder are the same.
A method for lifting a platform by adopting a lifting device of an attached self-lifting high-altitude sliding mode operation platform is characterized by comprising the following specific steps:
the first step is as follows: operating the hydraulic system to enable a piston rod of a hydraulic cylinder of the first main hook to extend upwards until a hook body above the piston rod is hung on a support cross beam of the attachment frame;
the second step is that: the hydraulic cylinder of the first main hook is contracted, so that the platform frame connected with the lifting device is lifted under the pulling of the hydraulic cylinder of the first main hook; the second main hook also rises along with the first main hook, and the hook body of the second main hook is automatically hung on the same support beam on the attachment frame;
the third step: if the temperature continues to rise, repeating the first step and the second step; the deflection of the double main hooks is realized by the inclined plane at the upper part of the hook body in the lifting operation process.
A method for descending a platform by adopting a lifting device of an attached self-lifting high-altitude sliding mode operation platform is characterized by comprising the following specific steps:
the first step is as follows: operating the hydraulic system, extending the hydraulic cylinder of the first main hook to separate the hook body of the first main hook from the bracket cross beam of the attachment frame, and releasing the lock pin of the cam disc on the first main hook; the second main hook remains stationary;
the second step is that: the hydraulic cylinder of the first main hook is contracted to enable the hook body of the first main hook to cross the support cross beam, and after the cam disc of the first main hook is locked by the lock pin again, the hook body of the first main hook falls into the corresponding support cross beam at the lower part;
the third step: continuing to contract the hydraulic cylinder of the first main hook to enable the first main hook to bear all the load of the platform;
the fourth step: extending the hydraulic cylinder of the second main hook to separate the hook body of the second main hook from the support cross beam and releasing the lock pin of the cam disc on the second main hook; the first main hook remains stationary;
the fifth step: retracting the hydraulic cylinder of the second main hook to enable the hook body of the second main hook to cross the support beam, and locking the cam disc of the second main hook by the lock pin again;
and a sixth step: simultaneously extending hydraulic cylinders of the first main hook and the second main hook to enable the whole platform to descend simultaneously until the second main hook is hung on the same support beam at the lower part;
the seventh step: repeating the above operation to lower the whole platform.
Advantageous effects
The invention has the beneficial effects that:
(1) the climbing device is simple in structure and operation, is convenient to operate and use on a construction site, and overcomes the defects that climbing equipment in the prior art is complex and is difficult to operate.
(2) The lifting device has compact structure, is beneficial to the arrangement of the lifting device in the aerial work platform equipment, does not need excessive accessories of an attachment device, and has the characteristics of high reliability and low cost. The bionic climbing principle is adopted, the problem of high-altitude climbing is solved, the climbing precision is improved, the operation is simpler, the device is not only suitable for shear wall structures, but also suitable for building structures such as frames and frame shears, and the application range of the operation platform is greatly expanded.
(3) The invention is beneficial to professional operation of site construction, civilized site construction and realization of the first management idea of site safety, and is beneficial to ensuring the construction period, saving labor and saving materials. In the main construction of high-rise and super high-rise buildings, great convenience is brought, and the method has very important significance for ensuring the engineering construction progress, improving the engineering construction quality and improving the engineering economic benefit.
(4) The hydraulic lifting system is adopted, so that the coordination degree of the lifting operation of the whole platform is high, the automatic control is easy, and the platform is particularly suitable for high-altitude operation.
Drawings
Fig. 1 is a front view and a partially enlarged schematic view of a structural schematic view of a main elevating mechanism;
FIG. 2 is a front view and a partially enlarged view of a schematic structural view of the sub-lift mechanism;
FIG. 3 is a top view and a partially enlarged view of the main lifting mechanism;
FIG. 4 is a top view and a partially enlarged view of the structure of the sub-lift mechanism;
FIG. 5 is a schematic view of the main hook structure and a partially enlarged view;
FIG. 6 is a schematic structural view of the main hook;
FIG. 7 is a schematic structural view of a latch ring;
FIG. 8 is a schematic view of a U-shaped adjustment card;
FIG. 9 is a schematic view of a climbing process;
description of reference numerals: 1. a main lifting mechanism; 2. an auxiliary lifting mechanism; 3. a hydraulic tube; 4. a first main hook; 5. a second main hook; 6. a hook body; 7. a cam plate; 8. a main hook body pull rod; 9. a limiting block; 10, a U-shaped adjusting card; 11. a pin shaft; 12. a hydraulic cylinder; 13. a lock pin; 14. a latch ring; 15. a hydraulic cylinder base; 16. an oil circuit integrated block; 17. filtering with a screen; 18. an oil tank; 19. a hydraulic pump; 20. a motor; 21. a platform frame; 22. and a bracket beam.
Detailed Description
The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
The embodiment comprises a main lifting mechanism 1 and an auxiliary lifting mechanism 2; the main lifting mechanism comprises a first main hook 4, a second main hook 5 and a hydraulic system, as shown in figure 1; the auxiliary lifting mechanism comprises a first main hook 4 and a second main hook 5, as shown in figure 2. The main lifting mechanism and the auxiliary lifting mechanism are arranged in two different platform frames of the same platform and are connected with each other through the hydraulic pipe 3 to realize the synchronous work of the main lifting mechanism and the auxiliary lifting mechanism.
And a main hook. As shown in fig. 5, the main hook is composed of a hook body 6, a cam disc 7, a main hook body pull rod 8, a limit block 9, a U-shaped adjusting clamp 10, a pin shaft 11, a hydraulic cylinder 12, a lock pin 13 and a lock pin ring 14. In this embodiment, the hook body 6 is a forged piece, and the shape is irregular triangle: the bottom edge of the hook body is a straight edge and is used for being connected with a main hook body pull rod; one side is a bevel edge, the included angle between the bevel surface and the horizontal plane is 55 degrees, and the bevel surface of the hook body 6 is contacted with the support beam 22 in the ascending process, so that the hook body is forced to rotate outwards, and the deflection of the main hook and the auxiliary hook is realized. And the lower end of the bevel edge is provided with a lug extending over the bottom edge to form a hook. Two internal thread holes for assembling the limiting block 9 and the cam disc 7 are arranged in the middle of the hook body up and down: a cylindrical limiting block 9 with an external thread at one end is fixedly arranged on the hook body through an internal thread hole on the upper surface and is used for limiting the limit position of the rotation of the cam disc 7; the cam disc 7 is movably connected with the hook body through a lower internal thread hole. The lower part of the hook body is a cylindrical main hook body pull rod 8, and the lower part of the pull rod is a pair of lugs with connecting holes. The U-shaped adjusting clamp 10 with the handle is composed of the handle and a pair of clamping plates, the shape of the U-shaped adjusting clamp is like a fork, the distance between the two clamping plates should meet the requirement of installing a pull rod lug, connecting holes are formed in the middle of the clamping plates, and the connecting holes, holes in the lug and holes in a piston rod of the hydraulic cylinder 12 are through holes and have the same inner diameter. The piston rod of the hydraulic cylinder 12, the pull rod lug and the connecting hole on the U-shaped adjusting clamp are connected together through the pin shaft 11 from inside to outside in sequence, and the piston rod, the pull rod lug and the connecting hole are in movable fit. The cam disc 7 is an eccentric big semicircular disc, and a locking hole is formed on the arc edge of the cam disc 7; when the cam disc rotates upwards to enable the included angle between the straight edge of the cam disc and the horizontal line to be 45 degrees, two circular locking pin rings 14 are horizontally fixed on the outer surface of one side of the main hook body pull rod corresponding to the locking hole on the cam disc 7, the inner diameter of each locking pin ring is larger than the outer diameter of the locking pin 13, the locking pin rings are in movable fit, and the circle center of each locking pin ring is perpendicular to the disc surface of the cam disc. As shown in fig. 5 and 6, the lock pin 13 is arranged in the lock pin ring, and when one end of the lock pin is inserted into the lock hole of the cam disc, the relative rotation between the cam disc and the hook body can be locked; when the lock pin 13 is released, the cam disc 7 naturally sags under the action of self-weight, so that the whole hook body mechanism can be displaced when the hook body 6 descends.
The hydraulic cylinder 12 is used as a telescopic element of the main hook, and the outer cylinder thereof is connected with a hydraulic cylinder base 15 through a pin shaft, and the hydraulic cylinder base is fixedly arranged on the bottom surface of the platform frame 21, as shown in the attached fig. 1 and 2.
A hydraulic system. The hydraulic system and the main lifting mechanism are arranged in the platform frame 21, and the output oil pipe and the input oil pipe of the hydraulic system are respectively connected with the hydraulic cylinders 12 of the main lifting mechanism and the auxiliary lifting mechanism. An oil tank 18 of the hydraulic system is fixed on a bottom plate of a platform frame 21 through bolts, a motor 20 and an oil circuit integrated block 16 integrated with an overflow valve, an electromagnetic directional valve, a flow dividing and collecting valve and a balance valve are respectively arranged on the oil tank 18, and a hydraulic pump 19 is arranged at the output shaft end of the motor. The hydraulic cylinder 12 is used for controlling the lifting and lowering of the operation platform. The hydraulic cylinder of the auxiliary lifting mechanism is connected with the hydraulic system of the main lifting mechanism through a hydraulic pipe 3, and the ascending and descending actions of the main lifting mechanism and the auxiliary lifting mechanism are synchronous.
Before the operation of the lifting device, the main hook 4 and the hook body 6 of the main hook 5 are both hung on the same (horizontal) support beam 22 of the attachment frame. The operation process during the rising is as follows:
the first step is to operate the hydraulic system to extend the piston rod of the hydraulic cylinder of the main hook (4) upwards until the hook body at the upper part of the piston rod is hung on the bracket beam of the attachment frame.
Secondly, the hydraulic cylinder is contracted, so that the platform frame connected with the lifting device is lifted under the pulling of the hydraulic cylinder; the other main hook (5) also rises along with the lifting and the hook body of the main hook is automatically hung on the same support beam of the attachment frame.
And thirdly, repeating the operation of the first step and the operation of the second step if the operation is continuously increased. The deflection of the double main hooks is realized by the inclined plane at the upper part of the hook body in the lifting operation process.
During descending operation:
in a first step, the hydraulic cylinder of the main hook (4) is extended to separate the hook body of the main hook (4) from the support beam and release the locking pin of the cam disc of the main hook (4). The other main hook (5) remains stationary.
And secondly, contracting the hydraulic cylinder of the main hook (4) to enable the hook body of the main hook to cross the support cross beam, locking the cam disc of the main hook (4) by the lock pin again, and enabling the hook body of the main hook (4) to fall onto the corresponding support cross beam at the lower part.
And thirdly, continuously retracting the hydraulic cylinder of the main hook (4) to enable the main hook (4) to bear all the load of the platform.
Fourthly, extending the hydraulic cylinder of the main hook (5), separating the hook body of the main hook (5) from the support beam, and releasing the lock pin of the cam disc of the main hook (5). The other main hook (4) remains stationary.
And fifthly, contracting the hydraulic cylinder of the main hook (5) to enable the hook body of the main hook to cross the cross beam of the bracket, and locking the cam plate of the main hook (5) by the lock pin again.
And sixthly, simultaneously extending the hydraulic cylinders of the main hooks (4) and (5) to simultaneously lower the whole platform until the main hook (5) is hung on the same support beam at the lower part.
And step seven, repeating the operation to lower the whole platform.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention.
Claims (6)
1. The utility model provides an attached type is from elevating high altitude slipform operation platform's elevating gear which characterized in that: the device comprises a main lifting mechanism and an auxiliary lifting mechanism, wherein the two lifting mechanisms are respectively arranged in two different platform frames of the same platform; the main lifting mechanism and the auxiliary lifting mechanism comprise main hooks and hydraulic systems;
the main hook comprises a first main hook and a second main hook which are arranged in parallel, the first main hook and the second main hook are the same in structure and comprise a hook body, a connecting assembly and a hydraulic cylinder, an outer cylinder of the hydraulic cylinder is fixedly arranged on the bottom surface of the platform frame through a hydraulic cylinder base, and the outer end of a piston rod of the hydraulic cylinder is connected with the hook body through the connecting assembly; the position relation between the hook body and a support beam of an attachment frame on the wall body is controlled by the extension and contraction of a piston rod of a hydraulic cylinder, and the platform frame is further driven to ascend or descend by the control hydraulic cylinder through the extension and contraction of the piston rod;
the hydraulic system is positioned in the platform frame, and output and input oil pipes of the hydraulic system are respectively connected with hydraulic cylinders of the main lifting mechanism and the auxiliary lifting mechanism; the hydraulic system comprises an oil tank, a motor, an oil circuit manifold block and a hydraulic pump, wherein the oil tank is fixedly arranged on the platform frame through bolts; the motor and an oil circuit integrated block integrated with an overflow valve, an electromagnetic directional valve, a flow distributing and collecting valve and a balance valve are respectively arranged on an oil tank; the hydraulic pump is arranged at the output shaft end of the motor; the hydraulic cylinder of the auxiliary lifting mechanism is connected with the hydraulic system of the main lifting mechanism through a hydraulic pipe, and the main lifting mechanism and the auxiliary lifting mechanism are driven to synchronously work through the hydraulic system, so that the lifting and descending actions of the platform are realized.
2. The lifting device of the attached self-lifting high-altitude slip form operation platform according to claim 1, characterized in that: the hook body of the first main hook and the second main hook is of a plate-shaped structure, the bottom edge of the hook body is connected with the connecting assembly, one side of the hook body is a bevel edge which forms an included angle of 55 degrees with the horizontal plane and is used for realizing the displacement of the hook body when the hook body rises, and the lower end of the bevel edge is provided with a convex block extending out of the bottom edge to form the hook.
3. The lifting device of the attached self-lifting high-altitude slip form operation platform according to claim 1, characterized in that: the connecting component of the first main hook and the second main hook comprises a cam disc, a main hook body pull rod, a limiting block, a U-shaped adjusting clamp, a pin shaft, a lock pin and a lock pin ring; the limiting block and the cam disc are respectively arranged on the side surface of the hook body through bolts;
the upper end of the pull rod of the main hook body is connected with the bottom edge of the hook body, and the lower end of the pull rod of the main hook body is symmetrically provided with a pair of lug plates with connecting holes which are clamped on two sides of the outer end head of the piston rod; the U-shaped adjusting clamp consists of a handle and a clamping plate with a U-shaped section, the handle is fixed on the bottom surface of the U-shaped clamping plate, opposite side walls of the U-shaped clamping plate are arranged on the outer sides of a pair of lugs of the main hook body pull rod, and connecting holes are formed in the side walls; the piston rod of the hydraulic cylinder, the lug of the pull rod of the main hook body and the U-shaped clamping plate of the U-shaped adjusting clamp are connected together sequentially from inside to outside through a pin shaft, so that the piston rod, the lug of the pull rod of the main hook body and the U-shaped clamping plate are movably matched;
the cam disc is an eccentric large semicircular disc, and a locking hole is formed on the cam disc close to the arc edge; when the cam disc rotates upwards to enable the included angle between the straight edge of the cam disc and the horizontal line to be 45 degrees, an annular lock pin ring is fixed on the outer surface of one side of the main hook body pull rod at the position corresponding to the lock hole on the cam disc, the lock pin is arranged in the lock pin ring and is in movable fit with the lock pin ring, the axial direction of the lock pin ring is mutually vertical to the disc surface of the cam disc, when the lock hole on the cam disc and the axial direction of the lock pin ring are at the same horizontal position, one end of the lock pin is manually inserted into the lock hole of the cam disc, and the cam disc; when the lock pin is released manually, the cam disc naturally droops under the action of self-weight, so that the displacement of the whole hook body mechanism can be realized when the hook body descends.
4. The lifting device of the attached self-lifting high-altitude slip form operation platform according to claim 3, characterized in that: the inner diameters of the connecting hole of the U-shaped clamping plate, the connecting hole on the lug piece of the main hook body pull rod and the connecting hole on the outer end head of the piston rod of the hydraulic cylinder are the same.
5. A method for lifting a platform by using a lifting device of the attached self-lifting high-altitude sliding mode operation platform according to any one of claims 1 to 4 is characterized by comprising the following specific steps:
the first step is as follows: operating the hydraulic system to enable a piston rod of a hydraulic cylinder of the first main hook to extend upwards until a hook body above the piston rod is hung on a support cross beam of the attachment frame;
the second step is that: the hydraulic cylinder of the first main hook is contracted, so that the platform frame connected with the lifting device is lifted under the pulling of the hydraulic cylinder of the first main hook; the second main hook also rises along with the first main hook, and the hook body of the second main hook is automatically hung on the same support beam on the attachment frame;
the third step: if the temperature continues to rise, repeating the first step and the second step; the deflection of the double main hooks is realized by the inclined plane at the upper part of the hook body in the lifting operation process.
6. A method for descending a platform by using the lifting device of the attached self-lifting high-altitude sliding mode operation platform according to any one of claims 3 or 4, which is characterized by comprising the following specific steps:
the first step is as follows: operating the hydraulic system, extending the hydraulic cylinder of the first main hook to separate the hook body of the first main hook from the bracket cross beam of the attachment frame, and releasing the lock pin of the cam disc on the first main hook; the second main hook remains stationary;
the second step is that: the hydraulic cylinder of the first main hook is contracted to enable the hook body of the first main hook to cross the support cross beam, and after the cam disc of the first main hook is locked by the lock pin again, the hook body of the first main hook falls into the corresponding support cross beam at the lower part;
the third step: continuing to contract the hydraulic cylinder of the first main hook to enable the first main hook to bear all the load of the platform;
the fourth step: extending the hydraulic cylinder of the second main hook to separate the hook body of the second main hook from the support cross beam and releasing the lock pin of the cam disc on the second main hook; the first main hook remains stationary;
the fifth step: retracting the hydraulic cylinder of the second main hook to enable the hook body of the second main hook to cross the support beam, and locking the cam disc of the second main hook by the lock pin again;
and a sixth step: simultaneously extending hydraulic cylinders of the first main hook and the second main hook to enable the whole platform to descend simultaneously until the second main hook is hung on the same support beam at the lower part;
the seventh step: repeating the above operation to lower the whole platform.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010933877.1A CN112049401A (en) | 2020-09-08 | 2020-09-08 | Lifting device and method of attached self-lifting high-altitude sliding mode operation platform |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010933877.1A CN112049401A (en) | 2020-09-08 | 2020-09-08 | Lifting device and method of attached self-lifting high-altitude sliding mode operation platform |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101205761A (en) * | 2006-12-21 | 2008-06-25 | 西北工业大学 | Lifting gear for highrise operation platform |
| CN102677884A (en) * | 2012-05-22 | 2012-09-19 | 深圳市特辰科技股份有限公司 | Biomimetic climb frame and using method thereof |
| CN103866963A (en) * | 2014-01-24 | 2014-06-18 | 广东建星建筑工程有限公司 | Attached type fall-preventing device of lifting scaffold |
| CN105863234A (en) * | 2016-05-25 | 2016-08-17 | 杭州赛奇机械股份有限公司 | Screw driving-based guide frame climbing-type lifting working platform and multi-guide frame combination climbing-type lifting working platform |
-
2020
- 2020-09-08 CN CN202010933877.1A patent/CN112049401A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101205761A (en) * | 2006-12-21 | 2008-06-25 | 西北工业大学 | Lifting gear for highrise operation platform |
| CN102677884A (en) * | 2012-05-22 | 2012-09-19 | 深圳市特辰科技股份有限公司 | Biomimetic climb frame and using method thereof |
| CN103866963A (en) * | 2014-01-24 | 2014-06-18 | 广东建星建筑工程有限公司 | Attached type fall-preventing device of lifting scaffold |
| CN105863234A (en) * | 2016-05-25 | 2016-08-17 | 杭州赛奇机械股份有限公司 | Screw driving-based guide frame climbing-type lifting working platform and multi-guide frame combination climbing-type lifting working platform |
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