CN118479411A - Auxiliary lifting platform for building engineering - Google Patents
Auxiliary lifting platform for building engineering Download PDFInfo
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- CN118479411A CN118479411A CN202410903504.8A CN202410903504A CN118479411A CN 118479411 A CN118479411 A CN 118479411A CN 202410903504 A CN202410903504 A CN 202410903504A CN 118479411 A CN118479411 A CN 118479411A
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- transmission shaft
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- transmission
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- 230000005540 biological transmission Effects 0.000 claims abstract description 118
- 230000001276 controlling effect Effects 0.000 claims abstract description 31
- 230000001105 regulatory effect Effects 0.000 claims abstract description 21
- 238000010276 construction Methods 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 11
- 230000033001 locomotion Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 2
- 230000000452 restraining effect Effects 0.000 claims 1
- 230000003068 static effect Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
- B66F17/006—Safety devices, e.g. for limiting or indicating lifting force for working platforms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
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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
- E04G1/00—Scaffolds primarily resting on the ground
- E04G1/18—Scaffolds primarily resting on the ground adjustable in height
- E04G1/20—Scaffolds comprising upright members and provision for supporting cross-members or platforms at different positions therealong
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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
- E04G5/001—Safety or protective measures against falling down relating to scaffoldings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H29/00—Gearings for conveying rotary motion with intermittently-driving members, e.g. with freewheel action
- F16H29/12—Gearings for conveying rotary motion with intermittently-driving members, e.g. with freewheel action between rotary driving and driven members
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Transmission Devices (AREA)
Abstract
The invention is suitable for the technical field of constructional engineering, and provides an auxiliary lifting platform for the constructional engineering, which comprises a movable base, a guide frame, a scissor-fork type lifting structure, an adjusting screw rod, a lifting platform, a transmission structure, a connecting cylinder, a limiting structure, a power driving and controlling structure and a regulating and controlling structure. According to the auxiliary lifting platform for the building engineering, the limiting structure is connected with the cylinder and the transmission structure, the adjusting screw rod can be limited and fixed, the adjusting screw rod is prevented from rotating under the unpowered effect, the stability of the lifting platform when the lifting platform is static can be improved, the power driving and controlling structure can be effectively prevented from being damaged due to the external influence, the power driving and controlling structure can drive the transmission structure to move firstly and then rotate in a mode of being matched with the adjusting and controlling structure, the limiting structure can be firstly released from limiting the adjusting screw rod by the transmission structure, then the adjusting screw rod in a free state is driven to rotate, and the height of the lifting platform can be quickly adjusted.
Description
Technical Field
The invention belongs to the technical field of constructional engineering, and particularly relates to an auxiliary lifting platform for constructional engineering.
Background
The building refers to an asset formed by artificial building, belongs to the category of fixed assets, and mainly comprises two major categories of houses and structures, wherein the houses refer to engineering buildings for people to live, learn, produce, entertain, store articles and perform other social activities, and the buildings are different from the structures, and the structures refer to engineering buildings outside the houses, such as enclosing walls, roads, dams, wells, tunnels, water towers, bridges, chimneys and the like. In the construction phase of a building project, a number of tools or equipment are used, wherein a lifting platform is often used when constructions of different heights are performed on the building.
The auxiliary lifting platform for the existing building engineering comprises a placing plate, a motor, a rotating shaft, a ball screw, a ball nut and a connecting shaft, when the auxiliary lifting platform is used, a user can firstly place materials at the upper end of the placing plate, the motor is started to drive the rotating shaft to rotate, the rotating shaft rotates to drive the ball screw to rotate, the ball screw rotates to enable the ball nut to move up and down, and the ball nut moves up and down to drive the front end of the connecting shaft to place the plate to move up and down.
Although the existing lifting platform can realize the adjustment of the upper and lower heights, when the lifting platform is static, constructors, construction tools and construction materials on the placing plate can apply certain pressure to the placing plate, the applied pressure can be directly transmitted to the output end of the motor, and when the pressure is overlarge, the phenomena such as motor damage and the like can be avoided, so that the service life of the motor can be influenced, and the stability of the lifting platform can be directly influenced.
Therefore, in view of the above situation, development of an auxiliary lifting platform for building engineering is urgently needed to overcome the shortcomings in the current practical application.
Disclosure of Invention
Aiming at the defects existing in the prior art, the embodiment of the invention aims to provide an auxiliary lifting platform for construction engineering so as to solve the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides an auxiliary lifting platform of building engineering, includes the removal base, the one end of removing the base is fixed with the leading truck, remove the top of base and install and cut fork lift structure, the one end of cutting fork lift structure bottom is rotated and is installed on removing the base, cut fork lift structure bottom's the other end slidable mounting and install the regulation lead screw thread fit on removing the base on the leading truck with rotating, it is fixed with lift platform to cut fork lift structure top, the one end of regulation lead screw extends to the installation intracavity of removing base one end and links to each other with transmission structure's one end, transmission structure movable mounting is at the installation intracavity, still includes:
The transmission structure comprises a transmission shaft and a gear B, wherein the transmission shaft is movably arranged in the mounting cavity, one end of the transmission shaft is fixedly provided with the gear B, a connecting cylinder is slidably arranged on the transmission shaft, the connecting cylinder is rotatably arranged on the inner wall of the mounting cavity and is fixedly connected with the other end of the transmission structure, the connecting cylinder is concentric with the transmission shaft, one end of the connecting cylinder is connected with a limiting structure arranged in the mounting cavity, and one end of the limiting structure is connected with the transmission shaft;
The power driving and controlling structure is arranged in the mounting cavity, an output shaft is mounted at the output end of the power driving and controlling structure, the output shaft is rotatably mounted in the mounting cavity, a gear A which is intermittently meshed with the gear B is fixed on the output shaft, the output shaft is connected with one end of a regulating and controlling structure which is slidably mounted in the mounting cavity, and the other end of the regulating and controlling structure is movably connected with the transmission shaft and concentric with the transmission shaft;
The regulating structure comprises an annular cylinder, a stirring column, an adjusting frame, an annular groove, an elastic piece A and a fixed seat, wherein the annular cylinder is fixed on an output shaft, the stirring column is fixed on the inner wall of the annular cylinder, the bottom of the adjusting frame is slidably mounted on the inner wall of the mounting cavity, the middle part of the adjusting frame is positioned outside the output shaft, the outer wall of the middle part of the adjusting frame is provided with the annular groove with the ends communicated with each other, the annular groove is in sliding fit with the stirring column, the top of the adjusting frame is positioned outside the transmission shaft, the elastic piece A is circumferentially distributed on one side of the adjusting frame, and one end of the elastic piece A is slidably connected with the fixed seat fixed on the transmission shaft;
the annular cylinder, the output shaft and the gear A are concentric;
In an initial state, the limiting structure limits and fixes the connecting cylinder in a mode of being matched with the transmission shaft, and the connecting cylinder limits and fixes the adjusting screw rod through the transmission structure; when the position of the lifting platform needs to be adjusted, the power driving and controlling structure drives the output shaft to rotate, the output shaft drives the annular cylinder and the gear A to rotate at the same time, and the annular cylinder drives the adjusting frame to reciprocate in a mode of sliding fit between the stirring column and the annular groove;
when the adjusting frame drives the transmission shaft to move towards the direction approaching to the gear A through the elastic piece A and the fixing seat, the transmission shaft simultaneously drives one ends of the gear B and the limiting structure to move towards the direction approaching to the gear A; when the gear B does not move to a position meshed with the gear A yet, the limiting structure releases the limit and the fixation of the connecting cylinder in a moving and transmission shaft matching mode, and the connecting cylinder releases the limit and the fixation of the adjusting screw rod through the transmission structure; when the gear B moves to a position meshed with the gear A, the gear A drives the transmission shaft and the fixed seat on the transmission shaft to rotate through the gear B, the centrifugal force generated by the rotation of the fixed seat is larger than the elastic force of the elastic piece A, and the adjusting frame carries out reciprocating extrusion on the elastic piece A in a reciprocating movement and matching mode with the fixed seat in the rotating process of the fixed seat;
The transmission shaft drives the connection cylinder to rotate, the connection cylinder drives the adjusting screw rod to rotate through the transmission structure, and the adjusting screw rod changes the height of the lifting platform in a mode of rotating and matching with the scissor type lifting structure.
As a further technical scheme of the invention, the adjusting frame adopts a circular cylindrical structure with connecting plates welded at the upper end and the lower end, the circular cylindrical structure on the adjusting frame is positioned outside the output shaft and concentric with the output shaft, and the inner diameter of the circular cylindrical structure on the adjusting frame is larger than the outer diameter of the output shaft.
As a further technical scheme of the invention, the transmission structure adopts a gear transmission structure formed by mutually meshing two groups of bevel gears, one group of bevel gears is fixed on an adjusting screw rod, and the other group of bevel gears is fixed on the outer wall of the connecting cylinder.
As a further technical solution of the present invention, the power driving and controlling structure includes:
An electric component fixed in the mounting cavity; and
And one end of the transmission piece is fixed at the output end of the electric piece, and the other end of the transmission piece is fixedly connected with the output shaft.
As a further technical solution of the present invention, the limiting structure includes:
one end of the variable control component is fixed on the transmission shaft, and the other end of the variable control component is arranged on the inner wall of the installation cavity; and
And the limiting component is fixed at the other end of the variable control component and is connected with the outer wall of the connecting cylinder.
As a further technical solution of the present invention, the variable control assembly includes:
The two rotating rods are rotatably arranged on the inner wall of the mounting cavity, an elastic piece B is arranged between the two rotating rods, and one ends of the two rotating rods are connected with the limiting assembly;
two connecting rods respectively fixed on the other ends of the two rotating rods;
A variable control fixed on the transmission shaft; and
The touch pieces are distributed on two sides of the variable control and are in contact with the outer wall of the variable control, and the two touch pieces are respectively fixed on the two connecting rods.
As a further technical scheme of the invention, the variable control adopts a block structure formed by a round table and a cylinder, the variable control and the transmission shaft are concentric, the touch piece adopts a sphere structure, and the touch piece intermittently collides with the round table structure and the cylinder structure on the variable control.
As a further technical solution of the present invention, the limiting assembly includes:
the limiting seat is fixed on the outer wall of the connecting cylinder and concentric with the connecting cylinder, and limiting grooves are circumferentially distributed on the outer wall of the limiting seat; and
And the limiting pieces are symmetrically distributed on two sides of the limiting seat and are fixedly connected with one ends of the two rotating rods respectively, and the two limiting pieces are matched with the limiting grooves.
Compared with the prior art, the invention has the beneficial effects that:
In the initial state, the limiting structure can limit and fix the adjusting screw rod through the connecting cylinder and the transmission structure, so that the adjusting screw rod is prevented from rotating under the unpowered action, the stability of the lifting platform in the static state can be improved, the safety and the reliability of the integral structure are improved, the damage of the power driving and controlling structure due to the external influence can be effectively avoided, the service life of the adjusting screw rod is prolonged, and the maintenance cost and the maintenance time are reduced;
The power driving and controlling structure drives the transmission structure to move firstly and then rotate through the regulating and controlling structure, the action sequence can firstly remove the limit and the fixation of the regulating and controlling structure to enable the regulating and controlling structure to freely rotate under the power driving, the transmission structure drives the transmission structure to rotate through the connecting cylinder, the transmission structure drives the regulating and controlling structure to rotate, the regulating and controlling structure drives the regulating and controlling structure to rotate through rotating and being matched with the scissor type lifting structure, and then the height of the lifting platform can be changed, so that the height of the lifting platform can be quickly regulated according to actual requirements in the construction process, and different construction requirements of the building engineering can be met;
When the power driving and controlling structure stops working and the regulating and controlling structure is restored to the initial position, the transmission structure stops rotating firstly and then moves back to the initial position, and the transmission structure can restore the limit and the fixation of the connecting cylinder by moving back to the initial position, so that the limit and the fixation of the regulating and controlling screw rod are restored, and the stability of the lifting platform at a new static working position is ensured.
In order to more clearly illustrate the structural features and efficacy of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of a first view angle of an auxiliary lifting platform for construction engineering according to an embodiment of the present invention.
Fig. 2 is a structural cross-sectional view of a second view angle of the auxiliary lifting platform for construction engineering according to an embodiment of the present invention.
Fig. 3 is an enlarged view of a cross-section of the mounting cavity structure of fig. 2.
Fig. 4 is a side view, in cross-section, of the mounting cavity structure of fig. 3.
Fig. 5 is a schematic view of the mounting cavity of fig. 4 with a control structure partially cut away.
Fig. 6 is an enlarged view of the structure at a in fig. 3.
Fig. 7 is an enlarged view of the structure at B in fig. 5.
Fig. 8 is an enlarged view of the structure at C in fig. 4.
Reference numerals: the device comprises a 1-moving base, a 2-guide frame, a 3-scissor type lifting structure, a 4-lifting platform, a 5-protective fence, a 6-adjusting screw rod, a 7-power driving structure, a 71-electric part, a 72-transmission part, a 73-output shaft, a 74-gear A, an 8-adjusting structure, a 81-annular cylinder, a 82-toggle column, a 83-adjusting frame, a 84-annular groove, a 85-elastic part A, a 86-fixed seat, a 9-limiting structure, a 91-variable control component, a 911-variable control part, a 912-touching part, a 913-connecting rod, a 914-rotating rod, a 915-elastic part B, a 92-limiting component, a 921-limiting part, a 922-limiting seat, a 923-limiting groove, a 10-transmission structure, a 101-transmission shaft, a 102-gear B, a 11-door, a 12-installation cavity, a 13-transmission structure and a 14-connecting cylinder.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Specific implementations of the invention are described in detail below in connection with specific embodiments.
As shown in fig. 1 to 7, as an embodiment of the present invention, an auxiliary lifting platform for construction engineering is provided, which comprises a mobile base 1, a walking structure for driving the mobile base 1 to move in position and a supporting structure for supporting the mobile base 1 are respectively installed at the bottom of the mobile base 1, a guide frame 2 is fixed at one end of the mobile base 1, a scissor lift structure 3 is installed above the mobile base 1, one end of the bottom of the scissor lift structure 3 is rotatably installed on the mobile base 1, the other end of the bottom of the scissor lift structure 3 is slidably installed on the guide frame 2 and is in threaded fit with a regulating screw 6 rotatably installed on the mobile base 1, a lifting platform 4 is fixed at the top of the scissor lift structure 3, a protective fence 5 is installed on the lifting platform 4, one end of the regulating screw 6 extends into a mounting cavity 12 formed at one end of the mobile base 1 and is connected with one end of a transmission structure 13, the transmission structure 13 is movably installed in the mounting cavity 12, and a box door 11 is installed above the mounting cavity 12 through a hinge, and the auxiliary lifting platform further comprises:
The transmission structure 10 comprises a transmission shaft 101 and a gear B102, wherein the transmission shaft 101 is movably arranged in the installation cavity 12, one end of the transmission shaft 101 is fixedly provided with the gear B102, the transmission shaft 101 is provided with a connecting cylinder 14 in a sliding manner, the connecting cylinder 14 is rotatably arranged on the inner wall of the installation cavity 12 and is fixedly connected with the other end of the transmission structure 13, the connecting cylinder 14 is concentric with the transmission shaft 101, one end of the connecting cylinder 14 is connected with a limiting structure 9 arranged in the installation cavity 12, and one end of the limiting structure 9 is connected with the transmission shaft 101;
The power driving and controlling structure 7 is arranged in the mounting cavity 12, an output shaft 73 is arranged at the output end of the power driving and controlling structure 7, the output shaft 73 is rotatably arranged in the mounting cavity 12, a gear A74 which is intermittently meshed with the gear B102 is fixed on the output shaft 73, the output shaft 73 is connected with one end of a regulating and controlling structure 8 which is slidably arranged in the mounting cavity 12, and the other end of the regulating and controlling structure 8 is movably connected with the transmission shaft 101 and is concentric with the transmission shaft 101;
The regulating structure 8 comprises an annular cylinder 81, a stirring column 82, an adjusting frame 83, annular grooves 84, elastic pieces A85 and a fixed seat 86, wherein the annular cylinder 81 is fixed on an output shaft 73, the stirring column 82 is fixed on the inner wall of the annular cylinder 81, the bottom of the adjusting frame 83 is slidably mounted on the inner wall of the mounting cavity 12, the middle part of the adjusting frame 83 is positioned outside the output shaft 73, the annular grooves 84 which are mutually communicated from left to right and from head to tail are formed in the outer wall of the middle part of the adjusting frame 83, the annular grooves 84 are in sliding fit with the stirring column 82, the top of the adjusting frame 83 is positioned outside the transmission shaft 101, the elastic pieces A85 are circumferentially distributed on one side of the adjusting frame 83, and one end of the elastic pieces A85 is slidably connected with the fixed seat 86 fixed on the transmission shaft 101.
As shown in fig. 3 to 7, the annular cylinder 81, the output shaft 73 and the gear a74 are concentric as a preferred embodiment of the present invention.
As shown in fig. 3 to 7, as a preferred embodiment of the present invention, the adjusting frame 83 is preferably a circular cylindrical structure with connecting plates welded at the upper and lower ends, the circular cylindrical structure on the adjusting frame 83 is located outside the output shaft 73 and concentric with the output shaft 73, the inner diameter of the circular cylindrical structure on the adjusting frame 83 is larger than the outer diameter of the output shaft 73, the connecting plates welded at the upper end of the circular cylindrical structure are slidably connected with the fixing base 86 through the elastic member a85, and a circular hole for the transmission shaft 101 to pass through is formed on the connecting plates, the inner diameter of the circular hole is larger than the outer diameter of the transmission shaft 101, and the connecting plates welded at the lower end of the circular cylindrical structure are slidably mounted on the inner wall of the mounting cavity 12.
As shown in fig. 3 to fig. 7, as a preferred embodiment of the present invention, the fixing base 86 preferably adopts a circular block structure, and a chute with an annular structure is provided on a side of the fixing base 86 near the adjusting frame 83, and the chute is used for slidably connecting one end of the elastic element a85 with the fixing base 86, so that the fixing base 86 in a rotating state does not drive the elastic element a85 to perform a rotating motion.
As shown in fig. 3 to 7, as a preferred embodiment of the present invention, the transmission structure 13 is preferably a gear transmission structure 13 formed by meshing two sets of bevel gears, one set of bevel gears being fixed to the adjusting screw 6 and the other set of bevel gears being fixed to the outer wall of the connecting cylinder 14.
As shown in fig. 3 to 7, as a preferred embodiment of the present invention, the power driving structure 7 includes an electric member 71 and a transmission member 72, the electric member 71 is fixed in the mounting cavity 12, and the transmission member 72 connected to the output shaft 73 is mounted at an output end of the electric member 71.
In the present embodiment, in the initial state, the limiting structure 9 is matched with the transmission shaft 101 to limit and fix the connection cylinder 14, so as to limit and fix the adjusting screw 6, thereby not only improving the stability of the lifting platform 4 in the static state, but also avoiding the electric component 71 from being subjected to external pressure, and prolonging the service life of the electric component 71;
When the position of the lifting platform 4 needs to be adjusted, the electric piece 71 drives the output shaft 73 to rotate through the transmission piece 72, the output shaft 73 simultaneously drives the annular cylinder 81 and the gear A74 to rotate, and the annular cylinder 81 can drive the adjusting frame 83 to reciprocate in a mode of sliding fit between the stirring post 82 and the annular groove 84;
When the adjusting frame 83 drives the transmission shaft 101 to move towards the direction approaching to the gear a74 through the elastic piece a85 and the fixed seat 86 for the first time, the transmission shaft 101 simultaneously drives the gear B102 and one end of the limiting structure 9 to move towards the direction approaching to the gear a 74; before the gear B102 moves to a position meshed with the gear A74, the limiting structure 9 releases the limit and the fixation of the connecting cylinder 14 in a mode of moving and matching with the transmission shaft 101, and further releases the limit and the fixation of the adjusting screw 6, so that the adjusting screw 6 is in a free state, and the transmission structure 13 can conveniently drive the adjusting screw to rotate;
when the gear B102 moves to a position meshed with the gear A74, the gear A74 drives the transmission shaft 101 and the fixed seat 86 on the transmission shaft 101 to rotate through the gear B102, the transmission shaft 101 drives the connecting cylinder 14 to rotate, the connecting cylinder 14 drives the adjusting screw rod 6 to rotate through the transmission structure 13, and the adjusting screw rod 6 rotates and is matched with the scissor type lifting structure 3, so that the height of the lifting platform 4 can be changed, and the requirements of building engineering construction are met;
after the gear B102 is meshed with the gear A74, the centrifugal force generated by the rotation of the fixed seat 86 is larger than the elastic force of the elastic piece A85, and in the rotation process of the fixed seat 86, when the adjusting frame 83 moves in the direction away from the gear A74, the adjusting frame 83 cannot drive the fixed seat 86 to move through the elastic piece A85, so that the transmission shaft 101 cannot be driven to move, the gear A74 is always meshed with the gear B102 in the rotation process, and the adjusting screw rod 6 can perform stable and sustainable rotation motion, so that the stability of the lifting platform 4 in the height adjustment process is further ensured;
When the electric member 71 stops working and the toggle post 82 rotates to the position of initial sliding fit with the annular groove 84 again, the adjusting frame 83 is restored to the initial position, the elastic member A85 drives the fixing seat 86 to move back through the elastic force of the elastic member A85, the fixing seat 86 drives the transmission shaft 101 to move back to the initial position, and the transmission shaft 101 simultaneously drives the gear B102 and one end of the limiting structure 9 to move back, so that the gear B102 and the gear A74 can be separated, and the limiting structure 9 can restore to limit and fix the connecting cylinder 14, so that the limiting and fixing of the adjusting screw 6 are restored, and the stability of the lifting platform 4 is ensured.
In a preferred embodiment, the motorized member 71 is preferably a servomotor;
The driving member 72 preferably has a belt driving structure;
the elastic member a85 is preferably an elastic structure formed by combining a telescopic column and a spring.
As shown in fig. 3 to 7, as a preferred embodiment of the present invention, the limiting structure 9 includes a variable control assembly 91 and a limiting assembly 92, one end of the variable control assembly 91 is fixed on the transmission shaft 101, the other end of the variable control assembly 91 is mounted on the inner wall of the mounting cavity 12, and the other end of the variable control assembly 91 is mounted with the limiting assembly 92 fixedly connected with the outer wall of the connection cylinder 14.
As shown in fig. 3 to 7, as a preferred embodiment of the present invention, the variable control assembly 91 includes a variable control 911, a touching member 912, a connecting rod 913, a rotating rod 914 and an elastic member B915, wherein the variable control 911 is fixed on the transmission shaft 101, touching members 912 that are in contact with the outer wall of the variable control 911 are distributed on both sides of the variable control 911, the connecting rod 913 is installed at the bottoms of the two touching members 912, the rotating rods 914 rotatably installed on the inner wall of the installation cavity 12 are fixed at the bottoms of the two connecting rods 913, the elastic member B915 is installed between the end surfaces of the two rotating rods 914 that are close to each other, and one ends of the two rotating rods 914 are connected with the limiting assembly 92.
As shown in fig. 3 to 7, as a preferred embodiment of the present invention, the variable control 911 preferably adopts a block structure formed by a circular table and a cylinder, and the variable control 911 is concentric with the transmission shaft 101, and the touching member 912 preferably adopts a sphere structure, and the touching member 912 intermittently collides with the circular table structure and the cylinder structure on the variable control 911.
As shown in fig. 3 to 7, as a preferred embodiment of the present invention, the limiting assembly 92 includes a limiting member 921, a limiting seat 922 and a limiting groove 923, the limiting seat 922 is fixed on the outer wall of the connecting cylinder 14 and concentric with the same, the limiting groove 923 is circumferentially distributed on the outer wall of the limiting seat 922, limiting members 921 matching with the limiting groove 923 are distributed on both sides of the limiting seat 922, and bottoms of the two limiting members 921 are fixed on the two rotating rods 914, respectively.
In this embodiment, in the initial state, the touching member 912 is abutted against the outer wall of the cylindrical structure on the variable control 911, and at this time, the elastic member B915 drives the two limiting members 921 to approach each other in a manner of being matched with the rotating rod 914, so that the two limiting members 921 can be engaged with the limiting grooves 923 on the limiting seat 922, thereby limiting the circumferential direction of the limiting seat 922, namely, limiting the rotation movement of the limiting seat 922, further limiting the rotation movement of the connecting cylinder 14 and the adjusting screw 6, and ensuring the stability of the lifting platform 4 in the static state;
When the transmission shaft 101 drives the variable control 911 to move towards the direction close to the gear a74, the touch piece 912 is separated from the outer wall of the cylindrical structure on the variable control 911 and is in contact with the outer wall of the circular truncated cone structure on the variable control 911, at this time, the distance between the two touch pieces 912 is continuously reduced, the distance between the two limiting pieces 921 can be continuously enlarged by the way of being matched with the connecting rod 913, the rotating rod 914 and the elastic piece B915, so that the two limiting pieces 921 are separated from the limiting seat 922, the limiting of the limiting seat 922, the connecting cylinder 14 and the adjusting screw 6 is released, and the adjusting screw 6 and the transmission shaft 101 are in a free state;
When the gear A74 is meshed with the gear B102, the gear B102 can drive the transmission shaft 101 to rotate, before the transmission shaft 101 only slides, the positions of parts except the variable control 911 in the limiting structure 9 are kept unchanged all the time, the transmission shaft 101 drives the transmission structure 13 to rotate through the connecting cylinder 14, the transmission structure 13 drives the adjusting screw 6 to rotate, and the adjusting screw 6 rotates and is matched with the scissor type lifting structure 3, so that the height of the lifting platform 4 can be changed, and the requirements of building engineering construction are met;
When the transmission shaft 101 stops rotating and slides in a direction away from the gear a74, the transmission shaft 101 drives the variable control 911 to move back, so that the touching piece 912 is in contact with the outer wall of the cylindrical structure on the variable control 911 again, and further the limiting piece 921 is rotated to be clamped with the limiting groove 923 on the limiting seat 922 again, limiting and fixing of the connecting cylinder 14 are restored, limiting and fixing of the adjusting screw 6 are restored, and stability of the lifting platform 4 is guaranteed.
In a preferred embodiment, the elastic member B915 is preferably a spring;
the limiting element 921 preferably has a rod-like structure;
the limiting seat 922 preferably has a circular block structure.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (8)
1. The utility model provides an auxiliary lifting platform of building engineering, includes the removal base, the one end of removing the base is fixed with the leading truck, the top of removing the base is installed and is cut fork lift structure, the one end of cutting fork lift structure bottom is rotated and is installed on removing the base, the other end slidable mounting of cutting fork lift structure bottom is on the leading truck and with rotate the regulation lead screw thread fit of installing on removing the base, it is fixed with lift platform to cut fork lift structure top, the one end of regulation lead screw extends to the installation intracavity of removing base one end and links to each other with transmission structure's one end, transmission structure movable mounting is at the installation intracavity, its characterized in that still includes:
The transmission structure comprises a transmission shaft and a gear B, wherein the transmission shaft is movably arranged in the mounting cavity, one end of the transmission shaft is fixedly provided with the gear B, a connecting cylinder is slidably arranged on the transmission shaft, the connecting cylinder is rotatably arranged on the inner wall of the mounting cavity and is fixedly connected with the other end of the transmission structure, the connecting cylinder is concentric with the transmission shaft, one end of the connecting cylinder is connected with a limiting structure arranged in the mounting cavity, and one end of the limiting structure is connected with the transmission shaft;
The power driving and controlling structure is arranged in the mounting cavity, an output shaft is mounted at the output end of the power driving and controlling structure, the output shaft is rotatably mounted in the mounting cavity, a gear A which is intermittently meshed with the gear B is fixed on the output shaft, the output shaft is connected with one end of a regulating and controlling structure which is slidably mounted in the mounting cavity, and the other end of the regulating and controlling structure is movably connected with the transmission shaft and concentric with the transmission shaft;
The regulating structure comprises an annular cylinder, a stirring column, an adjusting frame, an annular groove, an elastic piece A and a fixed seat, wherein the annular cylinder is fixed on an output shaft, the stirring column is fixed on the inner wall of the annular cylinder, the bottom of the adjusting frame is slidably mounted on the inner wall of the mounting cavity, the middle part of the adjusting frame is positioned outside the output shaft, the outer wall of the middle part of the adjusting frame is provided with the annular groove with the ends communicated with each other, the annular groove is in sliding fit with the stirring column, the top of the adjusting frame is positioned outside the transmission shaft, the elastic piece A is circumferentially distributed on one side of the adjusting frame, and one end of the elastic piece A is slidably connected with the fixed seat fixed on the transmission shaft;
the annular cylinder, the output shaft and the gear A are concentric;
In an initial state, the limiting structure limits and fixes the connecting cylinder in a mode of being matched with the transmission shaft, and the connecting cylinder limits and fixes the adjusting screw rod through the transmission structure; when the position of the lifting platform needs to be adjusted, the power driving and controlling structure drives the output shaft to rotate, the output shaft drives the annular cylinder and the gear A to rotate at the same time, and the annular cylinder drives the adjusting frame to reciprocate in a mode of sliding fit between the stirring column and the annular groove;
when the adjusting frame drives the transmission shaft to move towards the direction approaching to the gear A through the elastic piece A and the fixing seat, the transmission shaft simultaneously drives one ends of the gear B and the limiting structure to move towards the direction approaching to the gear A; when the gear B does not move to a position meshed with the gear A yet, the limiting structure releases the limit and the fixation of the connecting cylinder in a moving and transmission shaft matching mode, and the connecting cylinder releases the limit and the fixation of the adjusting screw rod through the transmission structure; when the gear B moves to a position meshed with the gear A, the gear A drives the transmission shaft and the fixed seat on the transmission shaft to rotate through the gear B, the centrifugal force generated by the rotation of the fixed seat is larger than the elastic force of the elastic piece A, and the adjusting frame carries out reciprocating extrusion on the elastic piece A in a reciprocating movement and matching mode with the fixed seat in the rotating process of the fixed seat;
The transmission shaft drives the connection cylinder to rotate, the connection cylinder drives the adjusting screw rod to rotate through the transmission structure, and the adjusting screw rod changes the height of the lifting platform in a mode of rotating and matching with the scissor type lifting structure.
2. The auxiliary lifting platform for construction engineering according to claim 1, wherein the adjusting frame is a circular cylindrical structure with connecting plates welded at the upper end and the lower end, the circular cylindrical structure on the adjusting frame is positioned outside and concentric with the output shaft, and the inner diameter of the circular cylindrical structure on the adjusting frame is larger than the outer diameter of the output shaft.
3. The auxiliary lifting platform for construction engineering according to claim 1, wherein the transmission structure is a gear transmission structure formed by mutually meshing two groups of bevel gears, one group of bevel gears is fixed on the adjusting screw rod, and the other group of bevel gears is fixed on the outer wall of the connecting cylinder.
4. The building engineering auxiliary lifting platform according to claim 1, wherein the power driving structure comprises:
An electric component fixed in the mounting cavity; and
And one end of the transmission piece is fixed at the output end of the electric piece, and the other end of the transmission piece is fixedly connected with the output shaft.
5. The building engineering auxiliary lifting platform of claim 1, wherein the limiting structure comprises:
one end of the variable control component is fixed on the transmission shaft, and the other end of the variable control component is arranged on the inner wall of the installation cavity; and
And the limiting component is fixed at the other end of the variable control component and is connected with the outer wall of the connecting cylinder.
6. The building engineering auxiliary lifting platform of claim 5, wherein the variable control assembly comprises:
The two rotating rods are rotatably arranged on the inner wall of the mounting cavity, an elastic piece B is arranged between the two rotating rods, and one ends of the two rotating rods are connected with the limiting assembly;
two connecting rods respectively fixed on the other ends of the two rotating rods;
A variable control fixed on the transmission shaft; and
The touch pieces are distributed on two sides of the variable control and are in contact with the outer wall of the variable control, and the two touch pieces are respectively fixed on the two connecting rods.
7. The auxiliary lifting platform for construction engineering according to claim 6, wherein the variable control adopts a block structure formed by a round table and a cylinder, the variable control is concentric with the transmission shaft, the touching piece adopts a sphere structure, and the touching piece intermittently collides with the round table structure and the cylinder structure on the variable control.
8. The building engineering auxiliary lifting platform of claim 7, wherein the restraining assembly comprises:
the limiting seat is fixed on the outer wall of the connecting cylinder and concentric with the connecting cylinder, and limiting grooves are circumferentially distributed on the outer wall of the limiting seat; and
And the limiting pieces are symmetrically distributed on two sides of the limiting seat and are fixedly connected with one ends of the two rotating rods respectively, and the two limiting pieces are matched with the limiting grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410903504.8A CN118479411A (en) | 2024-07-08 | 2024-07-08 | Auxiliary lifting platform for building engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410903504.8A CN118479411A (en) | 2024-07-08 | 2024-07-08 | Auxiliary lifting platform for building engineering |
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| Publication Number | Publication Date |
|---|---|
| CN118479411A true CN118479411A (en) | 2024-08-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410903504.8A Pending CN118479411A (en) | 2024-07-08 | 2024-07-08 | Auxiliary lifting platform for building engineering |
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| Country | Link |
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| CN (1) | CN118479411A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120946077A (en) * | 2025-07-16 | 2025-11-14 | 上海建工集团股份有限公司 | A fully automated construction lifting platform system and method for climbing and supporting |
-
2024
- 2024-07-08 CN CN202410903504.8A patent/CN118479411A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120946077A (en) * | 2025-07-16 | 2025-11-14 | 上海建工集团股份有限公司 | A fully automated construction lifting platform system and method for climbing and supporting |
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