CN219603204U

CN219603204U - Safety lifting device

Info

Publication number: CN219603204U
Application number: CN202320911674.1U
Authority: CN
Inventors: 江海
Original assignee: Individual
Current assignee: Hubei Haijiang Construction Engineering Co ltd
Priority date: 2023-04-21
Filing date: 2023-04-21
Publication date: 2023-08-29
Anticipated expiration: 2033-04-21

Abstract

The utility model relates to the technical field of building construction and discloses a safe lifting device which comprises a base and a lifting seat, wherein a lifting mechanism is arranged between the base and the lifting seat, a horizontal bearing plate is arranged above the lifting seat and is connected with the lifting seat through a horizontal adjusting mechanism, and the horizontal supporting plate is automatically adjusted when the horizontal bearing plate is inclined through the horizontal adjusting mechanism, so that the horizontal bearing plate always maintains a horizontal state when building materials or operators are placed on one side of a lifting platform, the safety of the operators is effectively ensured, the materials are prevented from falling, and the safe lifting device has the advantages of being simple in structure, convenient to operate and good in safety.

Description

Safety lifting device

Technical Field

The utility model relates to the technical field of building construction, in particular to a safe lifting device.

Background

In the construction site of high-rise buildings, the construction lifting platform is a peripheral protection facility which is erected for solving the problem of vertical and horizontal transportation of constructors and building materials. The constructor can lift the construction lifting platform to an ideal height according to the working requirement, so that the constructor can conveniently construct in the most comfortable posture, the working efficiency is greatly improved, the labor intensity is reduced, and the transportation problem of building materials is solved while the constructor provides an operation platform for the constructor; the electric lifting scaffold can replace steel, bamboo and wood scaffold, electric lifting basket and integral climbing scaffold, and is especially suitable for the decoration of the outer wall of a high-rise building, the interior decoration or the construction of other high-rise positions. Such as: cleaning glass, painting external walls, hanging ceilings, wiring slots, and the like.

The existing construction lifting platform is complex in structure, large in size and high in construction cost, when building materials or operators are placed on one side of the lifting platform according to construction requirements, the gravity center of the whole lifting platform is easy to deviate and incline, so that safety is difficult to ensure when workers on the construction platform work, materials on the upper portion of the construction lifting platform are easy to fall off, and most of the traditional construction lifting platforms do not have the function of automatically adjusting the platform to keep horizontal, and improvement is needed.

Disclosure of Invention

The utility model aims to provide a safe lifting device which can keep a horizontal bearing plate in a horizontal state all the time when building materials or operators are placed on one side of a lifting platform, so that the safety of the operators in operation is effectively ensured, the materials are prevented from falling, and the safe lifting device has the advantages of simple structure, convenience in operation and good safety.

The technical aim of the utility model is realized by the following technical scheme:

the utility model provides a safe elevating gear, includes base and lifting seat, be equipped with elevating system between base and the lifting seat, its characterized in that: the lifting seat is characterized in that a horizontal bearing plate is arranged above the lifting seat, the horizontal bearing plate is connected with the lifting seat through a horizontal adjusting mechanism, the horizontal adjusting mechanism comprises an adjusting shaft fixed at the bottom of the horizontal bearing plate, two ends of the adjusting shaft are respectively and rotatably connected with a supporting plate fixed on the lifting seat, two ends of the adjusting shaft are respectively provided with an adjusting gear I, the adjusting gears I are in key connection with the adjusting shaft, two double-side toothed plates meshed with the adjusting gears I are respectively arranged below the adjusting gears I, and lower tooth parts of the double-side toothed plates are respectively meshed with an adjusting gear II and an adjusting gear III in a cable adjusting mechanism arranged on two sides of the horizontal bearing plate.

Through adopting above-mentioned technical scheme, elevating system is used for driving the lifting seat and rises or descend to make the horizontal loading board of installing on the lifting seat arrive different construction positions and carry out construction operation, horizontal loading board is used for carrying operating personnel and building material. When building materials or operators move to one side of the horizontal bearing plate, the horizontal bearing plate is unevenly stressed and begins to incline, the adjusting shaft is driven to rotate around the supporting plate when the horizontal bearing plate inclines, the adjusting gear is driven to synchronously rotate when the adjusting shaft rotates, the two-side toothed plate is driven to move in the opposite direction of the downward inclined side of the horizontal bearing plate when the adjusting gear is rotated, the adjusting gear II and the adjusting gear III meshed with the teeth below the two-side toothed plate are driven to rotate when the two-side toothed plate moves, and the cable adjusting mechanisms on two sides of the horizontal bearing plate are respectively driven to horizontally adjust the horizontal bearing plate when the adjusting gear II and the adjusting gear III rotate, so that the downward inclined side of the horizontal bearing plate gradually rises until the horizontal bearing plate keeps a horizontal state, and therefore, when building materials or operators are placed on one side of a lifting platform according to construction requirements, the horizontal bearing plate can always keep the horizontal state, the safety of the operators in operation is effectively guaranteed, and the materials are prevented from falling.

The utility model is further provided with: the cable adjusting mechanism further comprises a first winding shaft and a second winding shaft which are respectively arranged on two sides of the horizontal bearing plate, the first winding shaft and the second winding shaft are respectively arranged at the upper end of the lifting seat through bearing seats, and the adjusting gear II and the adjusting gear III are respectively connected with the first winding shaft and the second winding shaft through keys.

Through adopting above-mentioned technical scheme, can drive spool one and spool two rotation when adjusting gear two and adjusting gear three rotate to make spool one and spool two release and tighten up the hawser of both sides respectively, the hawser of horizontal loading board downward sloping one side is tightened up promptly, and the hawser of opposite side is released, thereby promotes the one end of horizontal loading board downward sloping to the horizontality, has realized the level adjustment of horizontal loading board.

The utility model is further provided with: the cable adjusting mechanism further comprises a first cable and a second cable which are used for horizontally adjusting the horizontal bearing plate, one ends of the first cable and the second cable are respectively fixed and wound on the first winding shaft and the second winding shaft, and the other ends of the first cable and the second cable are respectively wound around the first pulley and the second pulley and are fixed at the upper end of the horizontal bearing plate.

Through adopting above-mentioned technical scheme, hawser one and hawser two are used for supporting the horizontal loading board from the both sides to horizontal loading board to through the winding or the release of spool one and spool two, can realize tightening up or release of hawser, thereby realize the level adjustment of horizontal loading board, make horizontal loading board be in dynamic level state all the time, effectively reduced the security risk of whole device.

The utility model is further provided with: the pulley I and the pulley II are respectively connected with brackets on two sides of the horizontal bearing plate in a rotating way through pulley mounting seats, and the lower ends of the brackets are fixed on the lifting seats.

The utility model is further provided with: and wire wheels are arranged between the pulley I and the spool I and between the pulley II and the spool II, and are rotatably connected with the brackets on the same side through wire wheel mounting seats.

Through adopting above-mentioned technical scheme, pulley one, pulley two and wire wheel are used for supporting and guiding the hawser respectively to make the hawser support and level adjustment to the horizontal loading board, pulley one, pulley two and wire wheel can also reduce the wearing and tearing of hawser at the in-process that the hawser tightens up or releases simultaneously, make the life of hawser longer.

The utility model is further provided with: the lifting mechanism comprises folding arms which are arranged on the base in parallel, the lower ends of the folding arms are respectively connected with the base, and the upper ends of the folding arms are respectively connected with the horizontal bearing plate.

The utility model is further provided with: the folding arm is formed by hinging a plurality of X-shaped connecting rod units end to end, each connecting rod unit comprises two groups of connecting rods which are mutually intersected, the middle parts of the two groups of connecting rods are respectively connected with a connecting shaft in a rotating mode, the lower ends of the two connecting rods in the connecting rod unit at the lowest end are respectively hinged with a first fixing seat and a first sliding seat on a base, the first fixing seat is fixed on the base, the first sliding seat is in sliding connection with a first sliding groove on the base, a driving mechanism for driving the first sliding seat to slide back and forth along the first sliding groove is further arranged in the first sliding groove, the upper ends of the two connecting rods in the connecting rod unit at the highest end are respectively hinged with a second fixing seat and a second sliding seat at the bottom of the lifting seat, and the second fixing seat is fixed on the lifting seat and is in sliding connection with the second sliding groove on the lifting seat.

Through adopting above-mentioned technical scheme, folding arm drives base elevating seat through a plurality of "X" shape connecting rod units and rises or shrink simultaneously or descend, drive mechanism drive sliding seat one makes two upper ends and two lower extreme that lie in two connecting rods in the connecting rod unit of lower extreme be close to each other or keep away from when following spout one reciprocal slip, two upper ends and two lower extreme that lie in two connecting rods in the connecting rod unit of lower extreme are close to each other or keep away from two upper ends and two lower extreme that drive two connecting rods in each connecting rod unit of top in proper order and are close to each other or keep away from each other, thereby realize that whole folding arm extends or shrink, and is simple in structure, convenient operation.

The utility model is further provided with: the driving mechanism comprises a screw rod in threaded connection with the sliding seat, the screw rod is installed on the base through a bearing seat, and one end of the screw rod is connected with the driving motor.

By adopting the technical scheme, when the driving motor drives the screw rod to rotate, the first sliding seat in threaded connection with the screw rod slides along the first sliding groove, so that the folding arm is driven to extend or retract.

The utility model is further provided with: and safety fences are arranged around the horizontal bearing plate.

Through adopting above-mentioned technical scheme, the security fence is used for further initiative to people and material on the horizontal loading board to further improve whole lift platform's security performance.

The beneficial effects of the utility model are as follows:

the lifting mechanism is used for driving the lifting seat to ascend or descend, so that the horizontal bearing plate arranged on the lifting seat reaches different construction positions to carry out building construction operation, and the horizontal bearing plate is used for carrying operators and building materials. When building materials or operators move to one side of the horizontal bearing plate, the horizontal bearing plate is unevenly stressed and begins to incline, the adjusting shaft is driven to rotate around the supporting plate when the horizontal bearing plate inclines, the adjusting gear is driven to synchronously rotate when the adjusting shaft rotates, the two-side toothed plate is driven to move in the opposite direction of the downward inclined side of the horizontal bearing plate when the adjusting gear is rotated, the adjusting gear II and the adjusting gear III meshed with the teeth below the two-side toothed plate are driven to rotate when the two-side toothed plate moves, and the cable adjusting mechanisms on two sides of the horizontal bearing plate are respectively driven to horizontally adjust the horizontal bearing plate when the adjusting gear II and the adjusting gear III rotate, so that the downward inclined side of the horizontal bearing plate gradually rises until the horizontal bearing plate keeps a horizontal state, and therefore, when building materials or operators are placed on one side of a lifting platform according to construction requirements, the horizontal bearing plate can always keep the horizontal state, the safety of the operators in operation is effectively guaranteed, and the materials are prevented from falling.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of the overall structure of a safety lifting device according to the present utility model.

Fig. 2 is an enlarged partial schematic view of a in fig. 1.

Fig. 3 is a schematic diagram illustrating connection between a lifting mechanism and a lifting seat in a safety lifting device according to the present utility model.

In the figure, 1, a base; 2. a lifting seat; 3. a lifting mechanism; 301. a link unit; 302. a connecting rod; 303. a connecting shaft; 304. a first fixing seat; 305. a sliding seat I; 306. a first chute; 307. a second fixing seat; 308. a sliding seat II; 309. a second chute; 4. a horizontal carrier plate; 5. a horizontal adjustment mechanism; 501. an adjusting shaft; 502. a support plate; 503. an adjusting gear I; 504. double-sided toothed plates; 6. a cable adjusting mechanism; 601. an adjusting gear II; 602. an adjusting gear III; 603. a winding shaft I; 604. a winding shaft II; 605. a first cable; 606. a second cable; 607. a pulley I; 608. a second pulley; 609. a pulley mounting seat; 610. a bracket; 611. a wire guide wheel; 612. a wire guide wheel mounting seat; 7. a driving mechanism; 701. a screw rod; 702. a driving motor; 8. and (5) a safety fence.

Detailed Description

The technical scheme of the present utility model will be clearly and completely described in connection with specific embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

As shown in fig. 1 to 3, a safety lifting device comprises a base 1 and a lifting seat 2, wherein a lifting mechanism 3 is arranged between the base 1 and the lifting seat 2, a horizontal bearing plate 4 is arranged above the lifting seat 2, the horizontal bearing plate 4 is connected with the lifting seat 2 through a horizontal adjusting mechanism 5, the horizontal adjusting mechanism 5 comprises an adjusting shaft 501 fixed at the bottom of the horizontal bearing plate 4, two ends of the adjusting shaft 501 are respectively and rotatably connected with a supporting plate 502 fixed on the lifting seat 2, two ends of the adjusting shaft 501 are respectively provided with an adjusting gear I503, the adjusting gear I503 is in key connection with the adjusting shaft 501, two side toothed plates 504 meshed with the adjusting gears I503 are respectively arranged below the two side toothed plates, and lower toothed parts of the two side toothed plates 504 are respectively meshed with an adjusting gear II 601 and an adjusting gear III 602 in a cable adjusting mechanism 6 arranged on two sides of the horizontal bearing plate 4.

The cable adjusting mechanism 6 further comprises a first winding shaft 603 and a second winding shaft 604 which are respectively arranged on two sides of the horizontal bearing plate 4, the first winding shaft 603 and the second winding shaft 604 are respectively arranged at the upper end of the lifting seat 2 through bearing seats, and the adjusting gear II 601 and the adjusting gear III 602 are respectively connected with the first winding shaft 603 and the second winding shaft 604 in a key manner.

The cable adjusting mechanism 6 further comprises a first cable 605 and a second cable 606 for horizontally adjusting the horizontal bearing plate 4, one ends of the first cable 605 and the second cable 606 are respectively fixed and wound on the first winding shaft 603 and the second winding shaft 604, and the other ends of the first cable 605 and the second cable 606 are respectively wound around the first pulley 607 and the second pulley 608 and are fixed at the upper end of the horizontal bearing plate 4.

The pulley I607 and the pulley II 608 are respectively connected with the brackets 610 on the two sides of the horizontal bearing plate 4 in a rotating way through the pulley mounting seat 609, and the lower end of the brackets 610 is fixed on the lifting seat 2.

The first pulley 607 and the first spool 603, and the second pulley 608 and the second spool 604 are respectively provided with a wire guiding wheel 611, and the wire guiding wheel 611 is rotatably connected with the bracket 610 on the same side through a wire guiding wheel mounting seat 612.

The lifting mechanism 3 comprises folding arms which are arranged on the base 1 in parallel, the lower ends of the folding arms are respectively connected with the base 1, and the upper ends of the folding arms are respectively connected with the horizontal bearing plate 4.

The folding arm is formed by hinging a plurality of X-shaped connecting rod units 301 end to end, each connecting rod unit 301 comprises two groups of connecting rods 302 which are mutually intersected, the middle parts of the two groups of connecting rods 302 are respectively and rotatably connected with a connecting shaft 303, the lower ends of the two connecting rods 302 in the connecting rod unit 301 at the lowest end are respectively hinged with a first fixed seat 304 and a first sliding seat 305 on the base 1, the first fixed seat 304 is fixed on the base 1, the first sliding seat 305 is in sliding connection with a first sliding groove 306 on the base 1, a driving mechanism 7 for driving the first sliding seat 305 to slide reciprocally along the first sliding groove 306 is further arranged in the first sliding groove 306, the upper ends of the two connecting rods 302 in the connecting rod unit 301 at the uppermost end are respectively hinged with a second fixed seat 307 and a second sliding seat 308 at the bottom of the lifting seat 2, the second fixed seat 307 is fixed on the lifting seat 2, and the second sliding seat 308 is in sliding connection with a second sliding groove 309 on the lifting seat 2.

The driving mechanism 7 comprises a screw 701 in threaded connection with the first sliding seat 305, the screw 701 is mounted on the base 1 through a bearing seat, and one end of the screw 701 is connected with a driving motor 702.

And safety fences 8 are arranged around the horizontal bearing plate 4.

The working principle of the utility model is as follows: when the driving motor 702 drives the screw 701 to rotate, the first sliding seat 305 which is in threaded connection with the screw 701 slides along the first sliding groove 306, the first sliding seat 305 is driven to reciprocate along the first sliding groove 306, the two upper ends and the two lower ends of the two connecting rods 302 in the connecting rod unit 301 positioned at the lowest end are mutually close to or far away, the two upper ends and the two lower ends of the two connecting rods 302 in each connecting rod unit 301 above are mutually close to or far away, the whole folding arm is stretched or contracted, the folding arm drives the base lifting seat to ascend or descend through stretching or contracting, and the horizontal bearing plate 4 mounted on the lifting seat reaches different construction positions to perform building construction operations. The horizontal bearing plate 4 is used for carrying an operator and building materials, when the building materials or the operator moves to one side of the horizontal bearing plate 4, the horizontal bearing plate 4 starts to incline, the adjusting shaft 501 is driven to rotate around the supporting plate 502 when the horizontal bearing plate 4 inclines, the adjusting gear I503 is driven to synchronously rotate when the adjusting shaft 501 rotates, the adjusting gear I503 can drive the double-side toothed plate 504 to move towards the opposite direction of the downward inclined side of the horizontal bearing plate 4, the adjusting gear II 601 and the adjusting gear III 602 meshed with the lower toothed part of the double-side toothed plate 504 are driven to rotate when the adjusting gear II 601 and the adjusting gear III 602 rotate, the cable adjusting mechanisms 6 on two sides of the horizontal bearing plate 4 are respectively driven to horizontally adjust the horizontal bearing plate 4, so that the downward inclined side of the horizontal bearing plate 4 gradually rises until the horizontal bearing plate 4 keeps a horizontal state, and therefore, when the building materials or the operator is placed on one side of a lifting platform according to construction requirements, the horizontal bearing plate 4 can always keep the horizontal state, the safety of the operator in operation is effectively ensured, and the material is prevented from falling.

Claims

1. The utility model provides a safe elevating gear, includes base (1) and lifting seat (2), be equipped with elevating system (3), its characterized in that between base (1) and lifting seat (2): the lifting seat is characterized in that a horizontal bearing plate (4) is arranged above the lifting seat (2), the horizontal bearing plate (4) is connected with the lifting seat (2) through a horizontal adjusting mechanism (5), the horizontal adjusting mechanism (5) comprises an adjusting shaft (501) fixed at the bottom of the horizontal bearing plate (4), two ends of the adjusting shaft (501) are respectively rotationally connected with a supporting plate (502) fixed on the lifting seat (2), two ends of the adjusting shaft (501) are respectively provided with an adjusting gear I (503), the adjusting gear I (503) is in key connection with the adjusting shaft (501), two double-sided toothed plates (504) meshed with the adjusting gears I (503) are respectively arranged below the two-sided toothed plates (504), and lower toothed parts of the two-sided toothed plates (504) are respectively meshed with an adjusting gear II (601) and an adjusting gear III (602) in a cable adjusting mechanism (6) arranged on two sides of the horizontal bearing plate (4).

2. A safety lifting device according to claim 1, wherein: the cable adjusting mechanism (6) further comprises a first winding shaft (603) and a second winding shaft (604) which are respectively arranged on two sides of the horizontal bearing plate (4), the first winding shaft (603) and the second winding shaft (604) are respectively arranged at the upper end of the lifting seat (2) through bearing seats, and the second adjusting gear (601) and the third adjusting gear (602) are respectively connected with the first winding shaft (603) and the second winding shaft (604) in a key manner.

3. A safety lifting device according to claim 2, wherein: the cable adjusting mechanism (6) further comprises a first cable (605) and a second cable (606) which are used for horizontally adjusting the horizontal bearing plate (4), one ends of the first cable (605) and the second cable (606) are respectively fixed on the first winding shaft (603) and the second winding shaft (604) and wound on the first winding shaft and the second winding shaft (604), and the other ends of the first cable (605) and the second cable (606) are respectively wound around the first pulley (607) and the second pulley (608) and are fixed at the upper end of the horizontal bearing plate (4).

4. A safety lifting device according to claim 3, wherein: the pulley I (607) and the pulley II (608) are respectively connected with brackets (610) on two sides of the horizontal bearing plate (4) in a rotating way through pulley mounting seats (609), and the lower ends of the brackets (610) are fixed on the lifting seat (2).

5. A safety lifting device according to claim 3, wherein: and wire wheels (611) are arranged between the pulley I (607) and the winding shaft I (603) and between the pulley II (608) and the winding shaft II (604), and the wire wheels (611) are rotationally connected with the brackets (610) on the same side through wire wheel mounting seats (612).

6. A safety lifting device according to claim 1, wherein: the lifting mechanism (3) comprises folding arms which are arranged on the base (1) in parallel, the lower ends of the folding arms are respectively connected with the base (1), and the upper ends of the folding arms are respectively connected with the horizontal bearing plate (4).

7. The safety lifting device of claim 6, wherein: the folding arm is formed by hinging a plurality of X-shaped connecting rod units (301) end to end, each connecting rod unit (301) comprises two groups of connecting rods (302) which are mutually intersected, the middle parts of the two groups of connecting rods (302) are respectively connected with a connecting shaft (303) in a rotating mode, the lower ends of the two connecting rods (302) in the connecting rod units (301) at the bottommost end are respectively hinged with a fixed seat I (304) and a sliding seat I (305) on a base (1), the fixed seat I (304) is fixed on the base (1), the sliding seat I (305) is in sliding connection with a sliding groove I (306) on the base (1), a driving mechanism (7) which is used for driving the sliding seat I (305) to slide back and forth along the sliding groove I (306) is further arranged in the sliding groove I (306), the upper ends of the two connecting rods (302) in the uppermost connecting rod unit (301) are respectively hinged with a fixed seat II (307) and a sliding seat II (308) at the bottom of the lifting seat (2), the fixed seat II (307) is fixed on the lifting seat (2), and the sliding seat II (308) is connected with the sliding seat II (309).

8. The safety lifting device of claim 7, wherein: the driving mechanism (7) comprises a screw rod (701) in threaded connection with the first sliding seat (305), the screw rod (701) is installed on the base (1) through a bearing seat, and one end of the screw rod (701) is connected with a driving motor (702).

9. The safety lifting device of claim 7, wherein: and safety fences (8) are arranged around the horizontal bearing plate (4).