CN109113321B - Automatic leveling operation platform - Google Patents
Automatic leveling operation platform Download PDFInfo
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- CN109113321B CN109113321B CN201811223083.5A CN201811223083A CN109113321B CN 109113321 B CN109113321 B CN 109113321B CN 201811223083 A CN201811223083 A CN 201811223083A CN 109113321 B CN109113321 B CN 109113321B
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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
- E04G5/00—Component parts or accessories for scaffolds
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Abstract
The invention discloses an automatic leveling operation platform, which comprises a top frame, a supporting frame and an inclined supporting piece, wherein the top frame is provided with a plurality of inclined supporting pieces; the bottom of the supporting frame is provided with a bracket, and the top frame is also provided with a lifting lug for lifting; the included angle between the top frame and the supporting frame is larger than 90 degrees, so that when the upper ends of the bracket and the diagonal bracing piece are supported in the elevator shaft, the height of one side, close to the supporting frame, of the top frame is always lower than that of the other side; the top of one side of the top frame deviating from the support frame is hinged with a construction platform which is integrally rectangular, a height adjusting mechanism is arranged between the position of the construction platform far away from the hinge shaft and the top frame and comprises a driving device, a leveling controller used for controlling the driving device to act and an inclination angle sensor arranged at the bottom of the construction platform, and the inclination angle sensor is electrically connected to the leveling controller. The invention has the advantages of reasonable structural design, good stability, contribution to ensuring construction safety, improvement on construction efficiency and the like, and can automatically adjust the construction plane to a horizontal state.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to an automatic leveling operating platform.
Background
The operation platform is a platform which is used for standing people and carrying objects and can be operated in site construction. The operating platform should have the necessary strength and stability, and must not shake during use. The stability of the operation platform is beneficial to guaranteeing the safety of construction.
In the modern building industry, there are more and more high-rise buildings, and elevators have become an indispensable part of the high-rise buildings. The elevator shaft is of a reinforced concrete shear wall structure, the size of a foundation plane is small, the height of the foundation plane is high, and the shear wall is dense in reinforcing bars and is of an independent structure. The elevator shaft part is a channel which is communicated up and down, the elevator shaft part belongs to high-altitude operation in the construction process, the safety operation protection construction of the elevator shaft construction is a link which cannot be ignored, and certain dangerous factors exist. When the elevator well is under construction, need set up operation platform in the elevator well, set up the operation platform in the well and often go out the incident easiest, traditional operation platform generally divide into two kinds of modes: when the floor is less, can set up steel pipe scaffold from the elevartor shaft bottom and rise along with the rising of construction surface, when adopting steel pipe scaffold to set up operation platform from the elevartor shaft bottom up successive layer, the height that the scaffold was set up is limited, and it is troublesome to dismantle, takes a lot of work and time. When the floor is higher, adopt the customization formula operation platform, utilize the diagonal brace piece of slope setting, the lower extreme of diagonal brace piece supports as the strong point at next floor lift-cabin door ground, and the other end supports on the shear force wall of elevartor shaft, utilizes the gravity of operation platform self, forms stable structure, and the security is better.
For making things convenient for constructor to be under construction on operation platform, need guarantee operation platform's upper surface level, and present customization formula operation platform adopts the integral type structure in fig. 2 for guaranteeing sufficient structural strength usually, can't carry out the adaptability according to the planar dimension of elevartor shaft and adjust. Within the error range, no matter the plane size of elevartor shaft is too big or undersize, all can change the inclination of diagonal brace piece, and then influence the inclination of operation platform's upper surface, influence constructor's stable construction. Moreover, for the elevator shaft with the plane size being too small, the gap between the operating platform and the elevator shaft is also too small, and when the operating platform is lifted, the operating platform is easy to scrape the inner wall of the elevator shaft.
Disclosure of Invention
Aiming at the defects of the prior art, the technical problems to be solved by the invention are as follows: how to provide a structural design is reasonable, can automatic adjustment construction plane to horizontality, and stability is good, is favorable to ensureing construction safety, improves the automatic leveling operation platform of efficiency of construction.
In order to solve the technical problems, the invention adopts the following technical scheme:
an automatic leveling operation platform comprises a top frame which is transversely arranged and is rectangular as a whole, wherein a supporting frame which is vertically arranged is fixedly arranged on one side of the top frame, an inclined supporting piece is fixedly arranged between the top frame and the supporting frame, the lower end of the inclined supporting piece is connected to the lower end of the supporting frame, and the upper end of the inclined supporting piece is connected to one side, away from the supporting frame, of the top frame; the position, close to the bottom, of the supporting frame is provided with a bracket arranged along the direction departing from the inclined strut member, and the top frame is also provided with a lifting lug for lifting; the included angle between the top frame and the supporting frame is larger than 90 degrees, so that when the bracket and the upper end of the diagonal support member are supported in the elevator shaft, the height of the top frame close to one side of the supporting frame is always lower than that of the other side of the supporting frame; the top frame deviates from one side top of carriage articulates there is the whole construction platform that is the rectangle, the construction platform keep away from the hinge the position with be provided with high adjustment mechanism between the frame, high adjustment mechanism includes drive arrangement for the leveling controller of control drive arrangement action, and install the angular transducer of construction platform bottom, the angular transducer electricity is connected to the leveling controller.
By adopting the structure, when the elevator car is used, the bracket on the supporting frame is supported on the floor of the elevator shaft door of the next floor, so that the joint of the inclined supporting piece and the top frame is abutted against the shear wall in the elevator shaft, and is clamped in the elevator shaft by depending on the self weight of the operating platform. Because the height that the top frame is close to braced frame one side is less than the height of opposite side all the time, and construction platform articulates in the higher one side of top frame, just can utilize the high adjustment mechanism between construction platform and the top frame, adjusts construction platform to the horizontality, provides more steady construction plane for constructor, is favorable to workman's construction and improves the construction security. Meanwhile, whether the construction platform is in a horizontal state or not can be detected by using the inclination angle sensor arranged at the bottom of the construction platform, the driving device can be controlled by the leveling controller, the height of the height adjusting mechanism is automatically adjusted, and the automatic leveling of the construction platform is realized. In addition, because the included angle between the top frame and the supporting frame is larger than 90 degrees, and the height of one side, close to the supporting frame, of the top frame is always lower than that of the other side, the projection size of the top frame in the height direction of the supporting frame is absolutely smaller than the plane size of the elevator shaft. Like this, when lifting by crane operation platform, have sufficient clearance between operation platform and the elevartor shaft, can avoid operation platform to scrape the inner wall of elevartor shaft.
Further, the height adjusting mechanism comprises a linear telescopic mechanism and a wedge block assembly, wherein the linear telescopic mechanism is installed on the top frame, the wedge block assembly is integrally triangular, the wedge block assembly is installed at the telescopic end of the linear telescopic mechanism and faces towards the hinged side of the construction platform and the top frame, and when the telescopic end of the linear telescopic mechanism extends out, the wedge block assembly slides towards the hinged side of the construction platform and the top frame and enables the construction platform to rotate upwards relative to the top frame; the driving device is connected with the linear telescopic mechanism.
Because operation platform card is when in the elevator shaft, the inclination of construction platform relative to the horizontal plane is less usually, adopts above-mentioned structure, utilizes sharp telescopic machanism extrusion construction platform and pushes up the voussoir mechanism between the frame, can reduce the great flexible volume of sharp telescopic machanism and convert the less lifting volume that the voussoir subassembly removed the in-process into, is convenient for realize the accurate control to construction platform height.
Further, the driving device is a driving motor, and the linear telescopic mechanism comprises a screw rod coaxially mounted on an output shaft of the driving motor and a screw rod nut matched with the screw rod; the lead screw nut is fixedly installed on the wedge block assembly, a through hole which is coaxial with the lead screw nut is formed in the wedge block assembly, and the lead screw penetrates through the through hole of the wedge block assembly, so that the driving motor drives the wedge block assembly to move along the lead screw when rotating.
In the structure, the wedge block assembly is driven to move by the aid of the lead screw nut pair, and the lead screw nut pair has good self-locking capacity, so that control over the driving motor can be stopped after the construction platform is adjusted to be in a horizontal state, the construction platform is locked in the horizontal state by the aid of the lead screw nut pair, the structure is more stable and reliable, and use safety is improved.
Further, the wedge block assembly comprises a lower wedge block which is attached to the top frame in a sliding mode, and an upper wedge block which is attached to the construction platform in a sliding mode, wherein the upper wedge block is hinged to the lower wedge block through a hinge shaft, and the hinge shaft is parallel to the hinged side of the construction platform and the top frame; and the feed screw nut is fixedly arranged on the lower wedge block.
Like this, because last voussoir and lower voussoir are articulated each other for the voussoir subassembly is at the removal in-process, and the upper surface of going up the voussoir can laminate construction platform all the time, and the lower surface of lower voussoir can laminate the top frame all the time, thereby can reduce voussoir mechanism, top frame and construction platform's wearing and tearing, be favorable to increase of service life.
Further, the wedge block assembly further comprises guide rails arranged on the upper surface of the top frame and the lower surface of the construction platform, and the guide rails are arranged along the length direction of the screw rod; the upper wedge block and the lower wedge block are provided with guide grooves matched with the guide rails, the upper wedge block is slidably matched on the guide rails on the construction platform through the guide grooves, and the lower wedge block is slidably matched on the guide rails on the top frame through the guide grooves.
Therefore, the guide rail can control the moving direction of the upper wedge block and the lower wedge block, and the good lubrication between the guide rail and the guide groove can be utilized to improve the smoothness of adjustment.
Furthermore, the bracket and the included angle of the lower end of the supporting frame are 75-80 degrees.
Like this, when bracket and supporting frame butt were subaerial at elevator gate, the tip and the supporting part contact of bracket and supporting frame, especially the tip of bracket supported ground down, and difficult slip for the support of bracket is more stable.
Furthermore, the included angle between the top frame and the supporting frame is 95-115 degrees.
Furthermore, the supporting frame comprises two vertically arranged supporting rods and a cross rod which is transversely connected between the two supporting rods; the width of the two support rods is smaller than that of the elevator shaft door, one bracket is vertically arranged on each support rod, and the distance between each bracket and the bottom of each support rod and the length of each bracket are 300-400 mm; the inclined supporting piece comprises two inclined supporting rods which are respectively arranged on the two supporting rods, one end of each inclined supporting rod is fixedly connected to the lower end of each supporting rod, and the other end of each inclined supporting rod is fixedly connected to one side, away from the supporting frame, of the top frame; the construction platform comprises a rectangular frame formed by welding four cross beams and four longitudinal beams, and a steel plate paved on the rectangular frame; one side of the rectangular frame is hinged on the top frame.
Furthermore, one side of the top frame, which is far away from the supporting frame, is hinged with a suspended swing plate, and a telescopic jacking device is arranged between the middle part of the swing plate and the inclined supporting piece, so that the lower end of the swing plate rotates around the top frame.
When the elevator shaft supporting device is used, the telescopic end of the telescopic jacking device can extend outwards, so that the swing plate is abutted against the wall of the elevator shaft on one side away from the elevator door, the telescopic jacking device is arranged in the middle of the swing plate, the swing plate can only be tightly attached to the wall under the action of the telescopic jacking device, the jacking frame is hinged with the upper end of the swing plate, the jacking frame can be ensured to be always abutted against the inner wall of the elevator shaft, the lower end of the inclined support piece moves towards the direction of the elevator door under the action of the telescopic jacking device, and the bracket can be stably and reliably abutted against the ground of the elevator shaft, so that the stability and the use safety of an operation platform are improved.
Furthermore, the telescopic jacking device is a hydraulic oil cylinder connected with a hydraulic system, and two ends of the hydraulic oil cylinder are respectively hinged to the swing plate and the inclined support piece.
The hydraulic oil cylinder can provide larger jacking pressure, and the operating platform can be reliably clamped in the elevator shaft.
In conclusion, the invention has the advantages of reasonable structural design, good stability, contribution to ensuring construction safety, improvement on construction efficiency and the like, and can automatically adjust the construction plane to a horizontal state.
Drawings
Fig. 1 is a schematic view of a structure in which an automatic leveling operation platform is installed in a hoistway.
Fig. 2 is a schematic structural view of a conventional elevator shaft operating platform.
Detailed Description
The present invention will be described in further detail with reference to examples.
In the specific implementation: as shown in fig. 1, an automatic leveling operation platform comprises a top frame 1 which is horizontally arranged and is rectangular as a whole, wherein a supporting frame 2 which is vertically arranged is fixedly installed on one side of the top frame 1, an inclined strut member 3 is fixedly installed between the top frame 1 and the supporting frame 2, the lower end of the inclined strut member 3 is connected to the lower end of the supporting frame 2, and the upper end of the inclined strut member is connected to one side of the top frame 1, which is far away from the supporting frame 2; a bracket 4 arranged in the direction departing from the inclined strut member 3 is arranged at the position, close to the bottom, of the support frame 2, and a lifting lug for lifting is further arranged on the top frame 1; the included angle between the top frame 1 and the supporting frame 2 is larger than 90 degrees, so that when the upper ends of the brackets 4 and the inclined supporting pieces 3 are supported in the elevator shaft, the height of one side, close to the supporting frame, of the top frame 1 is always lower than that of the other side; top frame 1 deviates from one side top of carriage 2 articulates there is whole construction platform 5 that is the rectangle, construction platform 5 keep away from the hinge the position with be provided with height adjusting mechanism 6 between the frame 1, height adjusting mechanism 6 includes drive arrangement for the leveling controller of control drive arrangement action, and install the angular transducer of 5 bottoms of construction platform, the angular transducer electricity is connected the leveling controller. During implementation, the leveling controller is a DP500 automatic leveling controller produced by Raffine technology, the controller can be used for setting a threshold value for adjusting an angle, once the inclination angle of the construction platform exceeds the set threshold value, the leveling controller controls the driving mechanism to act until the inclination angle of the construction platform is within the set threshold value.
By adopting the structure, when the elevator car is used, the bracket on the supporting frame is supported on the floor of the elevator shaft door of the next floor, so that the joint of the inclined supporting piece and the top frame is abutted against the shear wall in the elevator shaft, and is clamped in the elevator shaft by depending on the self weight of the operating platform. Because the height that the top frame is close to braced frame one side is less than the height of opposite side all the time, and construction platform articulates in the higher one side of top frame, just can utilize the high adjustment mechanism between construction platform and the top frame, adjusts construction platform to the horizontality, provides more steady construction plane for constructor, is favorable to workman's construction and improves the construction security. Meanwhile, whether the construction platform is in a horizontal state or not can be detected by using the inclination angle sensor arranged at the bottom of the construction platform, the driving device can be controlled by the leveling controller, the height of the height adjusting mechanism is automatically adjusted, and the automatic leveling of the construction platform is realized. In addition, because the included angle between the top frame and the supporting frame is larger than 90 degrees, and the height of one side, close to the supporting frame, of the top frame is always lower than that of the other side, the projection size of the top frame in the height direction of the supporting frame is absolutely smaller than the plane size of the elevator shaft. Like this, when lifting by crane operation platform, have sufficient clearance between operation platform and the elevartor shaft, can avoid operation platform to scrape the inner wall of elevartor shaft.
In implementation, the height adjusting mechanism 6 includes a linear telescopic mechanism 61 mounted on the top frame 1 and a wedge block assembly 62 having a triangular shape as a whole, the wedge block assembly 62 is mounted at a telescopic end of the linear telescopic mechanism 61 and faces a hinged side of the construction platform 5 and the top frame 1, when the telescopic end of the linear telescopic mechanism 61 extends out, the wedge block assembly 62 slides towards the hinged side of the construction platform 5 and the top frame 1, and the construction platform 5 rotates upward relative to the top frame 1; the driving device is connected with the linear telescopic mechanism 61.
Because operation platform card is when in the elevator shaft, the inclination of construction platform relative to the horizontal plane is less usually, adopts above-mentioned structure, utilizes sharp telescopic machanism extrusion construction platform and pushes up the voussoir mechanism between the frame, can reduce the great flexible volume of sharp telescopic machanism and convert the less lifting volume that the voussoir subassembly removed the in-process into, is convenient for realize the accurate control to construction platform height.
In implementation, the driving device is a driving motor, and the linear telescopic mechanism 61 comprises a screw rod coaxially mounted on an output shaft of the driving motor and a screw nut matched with the screw rod; the lead screw nut is fixedly arranged on the wedge block assembly 62, a through hole which is coaxial with the lead screw nut is formed in the wedge block assembly 62, and the lead screw penetrates through the through hole of the wedge block assembly 62, so that the wedge block assembly is driven to move along the lead screw when the driving motor rotates.
In the structure, the wedge block assembly is driven to move by the aid of the lead screw nut pair, and the lead screw nut pair has good self-locking capacity, so that control over the driving motor can be stopped after the construction platform is adjusted to be in a horizontal state, the construction platform is locked in the horizontal state by the aid of the lead screw nut pair, the structure is more stable and reliable, and use safety is improved.
In practice, the wedge assembly 62 comprises a lower wedge slidably attached to the top frame 1, and an upper wedge slidably attached to the construction platform 5, the upper wedge being hinged to the lower wedge by a hinge axis parallel to the hinged side of the construction platform 5 and top frame 1; and the feed screw nut is fixedly arranged on the lower wedge block.
Like this, because last voussoir and lower voussoir are articulated each other for the voussoir subassembly is at the removal in-process, and the upper surface of going up the voussoir can laminate construction platform all the time, and the lower surface of lower voussoir can laminate the top frame all the time, thereby can reduce voussoir mechanism, top frame and construction platform's wearing and tearing, be favorable to increase of service life.
In practice, the wedge assembly 62 further includes a guide rail installed on the upper surface of the top frame 1 and the lower surface of the construction platform 5, and the guide rail is arranged along the length direction of the screw rod; the upper wedge block and the lower wedge block are provided with guide grooves matched with the guide rails, the upper wedge block is slidably matched on the guide rails on the construction platform 5 through the guide grooves, and the lower wedge block is slidably matched on the guide rails on the top frame 1 through the guide grooves.
Therefore, the guide rail can control the moving direction of the upper wedge block and the lower wedge block, and the good lubrication between the guide rail and the guide groove can be utilized to improve the smoothness of adjustment.
During implementation, the included angle between the bracket 4 and the lower end of the support frame 2 is 75-80 degrees.
Like this, when bracket and supporting frame butt were subaerial at elevator gate, the tip and the supporting part contact of bracket and supporting frame, especially the tip of bracket supported ground down, and difficult slip for the support of bracket is more stable.
In the implementation process, the included angle between the top frame 1 and the supporting frame 2 is 95-115 degrees.
In implementation, the supporting frame 2 comprises two vertically arranged supporting rods and a cross rod which is transversely connected between the two supporting rods; the width of the two support rods is smaller than that of the elevator shaft door, one bracket 4 is vertically arranged on each support rod, and the distance from each bracket 4 to the bottom of each support rod and the length of each bracket 4 are both 300-400 mm; the diagonal support member 3 comprises two diagonal support rods which are respectively arranged on the two support rods, one end of each diagonal support rod is fixedly connected to the lower end of each support rod, and the other end of each diagonal support rod is fixedly connected to one side, away from the support frame 2, of the top frame 1; the construction platform 5 comprises a rectangular frame formed by welding four cross beams and four longitudinal beams, and a steel plate paved on the rectangular frame; one side of the rectangular frame is hinged on the top frame 1.
During implementation, one side of the top frame 1, which is far away from the supporting frame 2, is hinged with a suspended swing plate 8, and a telescopic jacking device 7 is arranged between the middle part of the swing plate 8 and the inclined supporting piece 3, so that the lower end of the swing plate 8 rotates around the top frame 1.
When the elevator shaft supporting device is used, the telescopic end of the telescopic jacking device can extend outwards, so that the swing plate is abutted against the wall of the elevator shaft on one side away from the elevator door, the telescopic jacking device is arranged in the middle of the swing plate, the swing plate can only be tightly attached to the wall under the action of the telescopic jacking device, the jacking frame is hinged with the upper end of the swing plate, the jacking frame can be ensured to be always abutted against the inner wall of the elevator shaft, the lower end of the inclined support piece moves towards the direction of the elevator door under the action of the telescopic jacking device, and the bracket can be stably and reliably abutted against the ground of the elevator shaft, so that the stability and the use safety of an operation platform are improved.
During implementation, the telescopic jacking device 7 is a hydraulic oil cylinder connected with a hydraulic system, and two ends of the hydraulic oil cylinder are respectively hinged to the swing plate 8 and the inclined support member 3.
The hydraulic oil cylinder can provide larger jacking pressure, and the operating platform can be reliably clamped in the elevator shaft.
During specific construction, a steel wire rope on a tower crane penetrates through a lifting lug, the operating platform is lifted and transported to the upper part of an elevator shaft, and vertically and uniformly falls into the finished elevator shaft, so that a bracket of the operating platform is located on a floor slab at the doorway of the finished elevator shaft and serves as a supporting point to support the whole operating platform, a telescopic end of a telescopic jacking device extends out and jacks on a shear wall of the elevator shaft, and the steel wire rope of the tower crane is removed after safety inspection; adjusting the height adjusting mechanism to enable the construction platform to be in a horizontal state, completing installation of the operation platform, and enabling constructors to carry out operation construction on the stable construction platform; after the construction is finished, namely after a formwork inside the elevator shaft is removed, the operating platform is lifted to the previous floor by a steel wire rope on a tower crane through a lifting lug; and repeating the steps to carry out the next installation work until the operation and construction in the elevator shaft are completed.
The above description is only exemplary of the present invention and should not be taken as limiting, and any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. An automatic leveling operation platform comprises a top frame (1) which is transversely arranged and is rectangular integrally, a supporting frame (2) which is vertically arranged is fixedly installed on one side of the top frame (1), an inclined supporting piece (3) is fixedly installed between the top frame (1) and the supporting frame (2), the lower end of the inclined supporting piece (3) is connected to the lower end of the supporting frame (2), and the upper end of the inclined supporting piece is connected to one side, away from the supporting frame (2), of the top frame (1); a bracket (4) arranged in the direction departing from the diagonal support piece (3) is arranged at the position, close to the bottom, of the support frame (2), and a lifting lug for lifting is further arranged on the top frame (1); the supporting frame is characterized in that an included angle between the top frame (1) and the supporting frame (2) is larger than 90 degrees, so that when the upper ends of the corbels (4) and the inclined supporting pieces (3) are supported in an elevator shaft, the height of one side, close to the supporting frame, of the top frame (1) is always lower than that of the other side; a construction platform (5) which is rectangular integrally is hinged above one side of the top frame (1) departing from the support frame (2), a height adjusting mechanism (6) is arranged between the position of the construction platform (5) far away from the hinge shaft and the top frame (1), the height adjusting mechanism (6) comprises a driving device, a leveling controller used for controlling the driving device to act, and an inclination angle sensor arranged at the bottom of the construction platform (5), and the inclination angle sensor is electrically connected to the leveling controller;
the height adjusting mechanism (6) comprises a linear telescopic mechanism (61) and a wedge block assembly (62), wherein the linear telescopic mechanism (61) is installed on the top frame (1), the wedge block assembly (62) is integrally triangular, the wedge block assembly (62) is installed at the telescopic end of the linear telescopic mechanism (61) and faces towards the hinged side of the construction platform (5) and the top frame (1), when the telescopic end of the linear telescopic mechanism (61) extends out, the wedge block assembly (62) slides towards the hinged side of the construction platform (5) and the top frame (1), and the construction platform (5) rotates upwards relative to the top frame (1); the driving device is connected with the linear telescopic mechanism (61);
the driving device is a driving motor, and the linear telescopic mechanism (61) comprises a screw rod coaxially arranged on an output shaft of the driving motor and a screw rod nut matched with the screw rod; the feed screw nut is fixedly arranged on the wedge block assembly (62), a through hole which is coaxial with the feed screw nut is formed in the wedge block assembly (62), and the feed screw penetrates through the through hole of the wedge block assembly (62), so that the drive motor drives the wedge block assembly to move along the feed screw when rotating;
the wedge block assembly (62) comprises a lower wedge block which is attached to the top frame (1) in a sliding mode, and an upper wedge block which is attached to the construction platform (5) in a sliding mode, the upper wedge block is hinged to the lower wedge block through a hinge shaft, and the hinge shaft is parallel to the hinged side of the construction platform (5) and the top frame (1); and the feed screw nut is fixedly arranged on the lower wedge block.
2. The self-leveling operation platform as claimed in claim 1, wherein the wedge assembly (62) further comprises guide rails installed on an upper surface of the top frame (1) and a lower surface of the construction platform (5), the guide rails being provided along a length direction of the screw rod; the upper wedge block and the lower wedge block are provided with guide grooves matched with the guide rails, the upper wedge block is slidably matched on the guide rails on the construction platform (5) through the guide grooves, and the lower wedge block is slidably matched on the guide rails on the top frame (1) through the guide grooves.
3. The automatic leveling operation platform as claimed in claim 1, wherein the included angle between the bracket (4) and the lower end of the support frame (2) is 75-80 degrees.
4. Self-leveling operating platform according to claim 1, wherein the angle between the top frame (1) and the support frame (2) is 95 ° -115 °.
5. The self-leveling operating platform as claimed in claim 1, wherein the supporting frame (2) comprises two vertically arranged supporting rods and a cross bar connected between the two supporting rods in a transverse direction; the width of the two support rods is smaller than that of the elevator shaft door, one bracket (4) is vertically arranged on each support rod, and the distance from each bracket (4) to the bottom of each support rod and the length of each bracket (4) are both 300-400 mm; the inclined supporting piece (3) comprises two inclined supporting rods which are respectively arranged on the two supporting rods, one end of each inclined supporting rod is fixedly connected to the lower end of each supporting rod, and the other end of each inclined supporting rod is fixedly connected to one side, away from the supporting frame (2), of the top frame (1); the construction platform (5) comprises a rectangular frame formed by welding four cross beams and four longitudinal beams, and a steel plate paved on the rectangular frame; one side of the rectangular frame is hinged on the top frame (1).
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| CN201811223083.5A CN109113321B (en) | 2018-10-19 | 2018-10-19 | Automatic leveling operation platform |
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| CN201811223083.5A CN109113321B (en) | 2018-10-19 | 2018-10-19 | Automatic leveling operation platform |
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| CN109113321B true CN109113321B (en) | 2020-09-29 |
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| CN205908003U (en) * | 2016-08-04 | 2017-01-25 | 中国建筑第七工程局有限公司 | Quick detach formula elevator shaft operating platform |
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