CN219387075U

CN219387075U - Scaffold for building engineering

Info

Publication number: CN219387075U
Application number: CN202320418686.0U
Authority: CN
Inventors: 白永胜; 周明
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-03-08
Filing date: 2023-03-08
Publication date: 2023-07-21
Anticipated expiration: 2033-03-08

Abstract

The utility model relates to the technical field of building scaffolds, and discloses a scaffold for building engineering, which comprises a lifting driving assembly and a falling speed reducing assembly, wherein the lifting driving assembly comprises a lifting driving assembly, a lifting driving assembly and a falling speed reducing assembly; the falling speed reducing assembly comprises a first opening, a slide bar, a speed reducing rack, a first slide block, a second slide block, a supporting spring, a self-locking frame, a tension spring, a meshing gear, a plurality of rotary dampers, a driving gear, a pulley frame and an inclined waist hole, wherein the first opening is formed in the inner side of a first supporting leg, and the slide bar is fixedly connected in the first supporting leg; when the scaffold is used, the rope breaks, the pulley yoke pulling force disappears, then the tension spring pulls the self-locking frame to rotate, the self-locking frame enables the meshing gear to be meshed with the speed reduction rack, then the meshing gear is meshed with the driving gear, and the lifting scaffold platform slowly descends through the rotation damper to further prevent the lifting scaffold platform from falling rapidly and being dangerous.

Description

Scaffold for building engineering

Technical Field

The utility model belongs to the technical field of building scaffolds, and particularly relates to a scaffold for building engineering.

Background

In the use process of the scaffold for building engineering, a lifting platform is driven to lift by a steel wire rope, and tools are placed in the lifting platform for transportation by people, so that the tools and goods do not need to be taken up and down;

however, since the scaffold is frequently used, certain abrasion is caused at this time, a steel wire rope for pulling the lifting scaffold platform to lift is easy to break due to abrasion when the load is large, the lifting scaffold platform loses the pulling force at this time, the lifting scaffold platform can rapidly descend, safety accidents are very easy to cause, and certain danger exists.

Disclosure of Invention

The utility model aims to provide a scaffold for building engineering, which solves the problems that when a load is large, the scaffold is easy to break, the lifting scaffold platform loses tension at the moment, the lifting scaffold platform can rapidly descend, safety accidents are easy to cause, and a certain danger exists.

The technical scheme adopted by the utility model is as follows:

the scaffold for the building engineering is applied to building construction and comprises a bedplate, a plurality of first supporting legs, a plurality of second supporting legs, a lifting outer frame, a lifting scaffold platform and a climbing ladder, wherein the first supporting legs are fixedly arranged on two sides of one end bottom of the bedplate, the second supporting legs are fixedly arranged on two sides of the other end bottom of the bedplate, the lifting outer frame is sleeved on the outer wall of the first supporting legs, the lifting scaffold platform is fixedly arranged on one side of the lifting outer frame, the climbing ladder is fixedly arranged on one end of the bedplate, and the scaffold for the building engineering comprises a lifting driving assembly and a falling speed reducing assembly;

the automatic falling speed reducing assembly comprises a first opening, a sliding rod, a speed reducing rack, a first sliding block, a second sliding block, a supporting spring, a self-locking frame, a tension spring, an engagement gear, a plurality of rotary dampers, a driving gear, a pulley frame and an inclined waist hole, wherein the first opening is formed in the inner side of the first supporting leg, the sliding rod is fixedly connected in the inner side of the first supporting leg, the speed reducing rack is arranged in the inner side of the first supporting leg, the first sliding block and the second sliding block are fixedly connected on one side of the speed reducing rack, the first opening is formed in the joint of the speed reducing rack and the first sliding block, the first sliding block and the second sliding block are slidably connected on the outer wall of the sliding rod, the supporting spring is fixedly mounted at the top of the first sliding block and the pulley frame respectively, the self-locking frame is rotatably connected in the inclined waist hole, the tension spring is arranged between the self-locking frame and the lifting outer frame, the engagement gear is rotatably connected in the inner side of one end of the self-locking frame, the rotary dampers are fixedly mounted at the bottom axle center of the self-locking frame, the driving gear is fixedly mounted in the inner side of the rotating damper, the self-locking frame is arranged at the side of the top of the pulley frame, and the self-locking frame is movably mounted at the inclined waist hole.

Optionally, the speed reduction rack is matched with a meshing gear, the meshing gear is meshed with a driving gear, and a rotating shaft of the driving gear is matched with an input end of the rotary damper.

Optionally, the support spring cover is established at the slide bar outer wall, support spring one end supports respectively and establishes at first landing leg inner wall both ends.

Optionally, one end of the tension spring is fixedly arranged at the bottom of one end of the self-locking frame, and the other end of the tension spring is fixedly arranged at the inner side of the lifting outer frame.

Optionally, the speed reduction subassembly that drops still includes second opening, outer supporting shoe and supporting rubber, the second opening is seted up in first landing leg one end outside, outer supporting shoe one side fixed connection is in second slider one side, supporting rubber fixed connection is at outer supporting shoe top, just supporting rubber fixed mounting is in lifting frame outside bottom.

Optionally, lift drive assembly includes movable pulley, rope mount, wind-up roll, winding motor, wire rope, the movable pulley rotates to be connected in pulley frame top inboard, rope mount and wind-up roll are all fixed mounting at the platen top, winding motor fixed mounting is in wind-up roll one side, just winding motor output shaft one end and wind-up roll pivot phase-match, wire rope one end fixed connection is in rope mount one end, wire rope other end fixed connection is in wind-up roll axle center department outer wall, wire rope axle center department swing joint is in movable pulley outer wall bottom.

Optionally, the sliding tray has all been seted up to first landing leg both sides, the inboard equal fixed mounting in lift frame both ends has the lift pulley, lift pulley roll connection is inboard at the sliding tray.

The utility model has the technical effects that:

(1) According to the scheme, the falling speed reducing assembly is arranged, the rope is broken when the lifting scaffold is used, the pulley frame is in tension, then the tension spring pulls the self-locking frame to rotate, the self-locking frame enables the meshing gear to be meshed with the speed reducing rack, then the meshing gear is meshed with the driving gear, the lifting scaffold platform is slowly lowered through the rotary damper to further prevent the lifting scaffold platform from falling rapidly and being dangerous;

(2) Through setting up the speed reduction subassembly that drops, specific after lifting scaffold platform falls, lift frame can together drop simultaneously, and at this moment, lift frame bottom can be supported through outer supporting shoe, and accessible supporting spring descends the buffering simultaneously to reduce the stress that the sudden drop produced to the damage of putting up the frame.

Drawings

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

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a side partial cross-sectional view of the present utility model;

FIG. 3 is a schematic view of a first leg structure according to the present utility model;

FIG. 4 is an exploded view of the top inner side structure of the first leg of the present utility model;

FIG. 5 is an exploded view of the inner side structure of the bottom of the first leg of the present utility model;

fig. 6 is a side view of the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. a first leg; 101. a sliding groove; 102. a first opening; 103. a second opening; 2. a second leg; 3. a platen; 4. lifting the outer frame; 401. a lifting pulley; 5. a slide bar; 6. a reduction rack; 601. a first slider; 602. a second slider; 603. a support spring; 604. an outer support block; 605. a supporting rubber; 7. a self-locking frame; 701. a tension spring; 8. a meshing gear; 9. a rotary damper; 10. a drive gear; 11. a pulley frame; 1101. inclined waist holes; 12. a movable pulley; 13. a rope fixing frame; 14. a wind-up roll; 15. a winding motor; 16. a wire rope; 17. lifting the scaffold platform.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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 be within the scope of the utility model.

Referring to fig. 1-6, the utility model provides a scaffold for building construction, which is applied to building construction, the scaffold for building construction is provided with a bedplate 3, a plurality of first supporting legs 1, a plurality of second supporting legs 2, a lifting outer frame 4, a lifting scaffold platform 17 and a climbing ladder 22, wherein the plurality of first supporting legs 1 are fixedly arranged on two sides of one end bottom of the bedplate 3, the plurality of second supporting legs 2 are fixedly arranged on two sides of the other end bottom of the bedplate 3, the lifting outer frame 4 is sleeved on the outer wall of the first supporting legs 1, the lifting scaffold platform 17 is fixedly arranged on one side of the lifting outer frame 4, the climbing ladder 22 is fixedly arranged on one end of the bedplate 3, and the scaffold for building construction comprises: the lifting frame 4 is used for fixing the lifting scaffold platform 17, the lifting frame 4 is driven to drive the lifting scaffold platform 17 to move up and down, and the first supporting leg 1 is used as a sliding guide rail of the lifting frame 4.

The lifting driving assembly is arranged at the top of the bedplate 3 and is used for driving the lifting scaffold platform 17 to lift and convey goods; the movable supporting component is arranged at the bottoms of the first supporting leg 1 and the second supporting leg 2 and is used for moving the carrying frame and fixedly supporting the carrying frame when in use; the falling speed reducing assembly is arranged between the lifting outer frame 4 and the first supporting leg 1 and is used for preventing the lifting scaffold platform 17 from rapidly descending due to the breakage of the lifting rope;

the falling speed reducing assembly comprises a first opening 102, a slide bar 5, a speed reducing rack 6, a first slide block 601, a second slide block 602, a supporting spring 603, a self-locking frame 7, a tension spring 701, a meshing gear 8, a plurality of rotary dampers 9, a driving gear 10, a pulley frame 11 and a bevel waist hole 1101, wherein the first opening 102 is arranged on the inner side of the first support leg 1, the slide bar 5 is fixedly connected inside the first support leg 1, the speed reducing rack 6 is arranged on the inner side of the first support leg 1, the first slide block 601 and the second slide block 602 are fixedly connected on one side of the speed reducing rack 6, the first opening 102 is arranged at the joint of the speed reducing rack 6 and the first slide block 601, the first opening 102 is arranged at the joint of the speed reducing rack 6 and the second slide block 602, the first slide block 601 and the second slide block 602 are in sliding connection with the outer wall of the slide bar 5, the supporting spring 603 is respectively fixedly arranged on the top of the first slide block 601 and the self-locking frame 7 in a rotating connection, the tension spring 701 is arranged between the self-locking frame 7 and the lifting outer frame 4, the engagement gear 8 is rotationally connected to the inner side of one end of the self-locking frame 7, the rotary damper 9 is fixedly arranged at the axis of the bottom of the self-locking frame 7, the driving gear 10 is fixedly arranged on the inner side of the rotary damper 9, the pulley frame 11 is arranged at the top of the self-locking frame 7, the inclined waist hole 1101 is arranged at the bottom of the pulley frame 11, the function of the inclined waist hole 1101 is to prevent the movement of the self-locking frame 7, one end of the self-locking frame 7 is movably arranged in the inclined waist hole 1101, the speed reduction rack 6 is matched with the engagement gear 8, the engagement gear 8 is meshed with the driving gear 10, the rotating shaft of the driving gear 10 is matched with the input end of the rotary damper 9, the supporting spring 603 is sleeved on the outer wall of the sliding rod 5, one end of the supporting spring 603 is respectively propped against the two ends of the inner wall of the first supporting leg 1, one end of the tension spring 701 is fixedly arranged at the bottom of one end of the self-locking frame 7, the other end of the tension spring 701 is fixedly arranged on the inner side of the lifting outer frame 4; the lifting scaffold platform 17 can be decelerated when the rope breaks through the falling deceleration assembly, and the principle is that: in the use, pull the movable pulley 12 on the pulley yoke 11 through wire rope 16, no matter this moment goes up and down to lift scaffold platform 17, pulley yoke 11 all receives the pulling force effect, then pulley yoke 11 can pull two auto-lock shelves 7, make auto-lock shelf 7 one end by the pull-up, and the other end of auto-lock shelf 7 then inwards contracts, make interlock gear 8 can not with the speed reduction rack 6 meshing, can not receive the influence of dropping reducing component when lift scaffold platform 17 goes up and down, when wire rope 16 breaks, instant time auto-lock shelf 7 one end receives the effect of extension spring 701, make the other end of auto-lock shelf 7 outwards open, make interlock gear 8 and speed reduction rack 6 mesh, simultaneously interlock gear 8 and drive gear 10 meshing, utilize rotatory attenuator 9 to produce the damping effect, reduce speed reduction scaffold platform 17, prevent lift scaffold platform 17 and drop suddenly, at the moment that interlock gear 8 and speed reduction rack 6 interlock, speed reduction rack 6 can utilize first slider 601 and second slider 602 to slide on 5, and under the effect of supporting spring 603, can reduce lift scaffold 17 and need not to add the shock absorber between wire rope 16 and the slide bar, wherein need not to add the slip rod between the slide bar and the absolute and the slide bar, and the damping device is used for the slide bar is smooth between two slide bar and the slide bar is realized.

In some embodiments, the drop deceleration assembly further comprises a second opening 103, an outer supporting block 604 and supporting rubber 605, wherein the second opening 103 is arranged outside one end of the first supporting leg 1, one side of the outer supporting block 604 is fixedly connected to one side of the second sliding block 602, the supporting rubber 605 is fixedly connected to the top of the outer supporting block 604, and the supporting rubber 605 is fixedly installed at the bottom of the outer side of the lifting outer frame 4; the second opening 103, the outer supporting block 604 and the supporting rubber 605 are arranged, when the lifting scaffold platform 17 falls to the bottommost part, under the action of the lifting outer frame 4, the bottom of the lifting outer frame 4 can be supported by the outer supporting block 604, and meanwhile, the supporting spring 603 can be utilized for carrying out secondary falling buffering, so that the damage of stress generated by rapid falling to the building frame is reduced.

In some embodiments, the lifting driving assembly comprises a movable pulley 12, a rope fixing frame 13, a winding roller 14, a winding motor 15 and a steel wire rope 16, wherein the movable pulley 12 is rotationally connected to the inner side of the top of the pulley frame 11, the rope fixing frame 13 and the winding roller 14 are fixedly arranged at the top of the bedplate 3, the winding motor 15 is fixedly arranged on one side of the winding roller 14, one end of an output shaft of the winding motor 15 is matched with a rotating shaft of the winding roller 14, one end of the steel wire rope 16 is fixedly connected to one end of the rope fixing frame 13, the other end of the steel wire rope 16 is fixedly connected to the outer wall of the axis of the winding roller 14, the axis of the steel wire rope 16 is movably connected to the bottom of the outer wall of the movable pulley 12, sliding grooves 101 are formed in two sides of the first supporting leg 1, lifting pulleys 401 are fixedly arranged on the inner sides of two ends of the lifting outer frame 4, and the lifting pulleys 401 are in rolling connection with the inner sides of the sliding grooves 101; the lifting scaffold platform 17 is fixed on the lifting outer frame 4, the lifting pulley 401 is utilized to slide up and down in the sliding groove 101, so that the lifting scaffold platform 17 is more stable in lifting, the winding motor 15 drives the winding roller 14 to wind the steel wire rope 16, the movable pulley 12 is driven to move, and the lifting scaffold platform 17 is more labor-saving in lifting by utilizing the characteristic of the movable pulley 12.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims

1. The scaffold for the building engineering is applied to building construction and comprises a bedplate (3), a plurality of first supporting legs (1), a plurality of second supporting legs (2), a lifting outer frame (4), a lifting scaffold platform (17) and a cat ladder (22), wherein the first supporting legs (1) are fixedly arranged on two sides of one end bottom of the bedplate (3), the second supporting legs (2) are fixedly arranged on two sides of the other end bottom of the bedplate (3), the lifting outer frame (4) is sleeved on the outer wall of the first supporting legs (1), the lifting scaffold platform (17) is fixedly arranged on one side of the lifting outer frame (4), and the cat ladder (22) is fixedly arranged on one end of the bedplate (3), and the scaffold for the building engineering is characterized by comprising a lifting driving assembly and a falling speed reducing assembly;

the falling speed reducing assembly comprises a first opening (102), a sliding rod (5), a speed reducing rack (6), a first sliding block (601), a second sliding block (602), a supporting spring (603), a self-locking frame (7), a tension spring (701), a meshing gear (8), a plurality of rotary dampers (9), a driving gear (10), a pulley frame (11) and a bevel waist hole (1101), wherein the first opening (102) is formed in the inner side of the first supporting leg (1), the sliding rod (5) is fixedly connected in the first supporting leg (1), the speed reducing rack (6) is arranged on the inner side of the first supporting leg (1), the first sliding block (601) and the second sliding block (602) are fixedly connected on one side of the speed reducing rack (6), the first opening (102) is formed in the joint of the speed reducing rack (6) and the first sliding block (601), the first sliding block (601) and the second sliding block (602) are slidably connected on the outer wall of the sliding rod (5), the supporting spring (603) is fixedly connected between the first sliding frame (601) and the self-locking frame (7) in a rotating mode, the clutch gear (8) is rotationally connected to the inner side of one end of the self-locking frame (7), the rotary damper (9) is fixedly arranged at the axis of the bottom of the self-locking frame (7), the driving gear (10) is fixedly arranged on the inner side of the rotary damper (9), the pulley frame (11) is arranged at the top of the self-locking frame (7), the inclined waist hole (1101) is formed in the bottom of the pulley frame (11), and one end of the self-locking frame (7) is movably arranged in the inclined waist hole (1101).

2. A scaffold for building construction according to claim 1, wherein: the speed reduction rack (6) is matched with the meshing gear (8), the meshing gear (8) is meshed with the driving gear (10), and the rotating shaft of the driving gear (10) is matched with the input end of the rotary damper (9).

3. A scaffold for building construction according to claim 1, wherein: the support spring (603) is sleeved on the outer wall of the sliding rod (5), and one end of the support spring (603) is respectively propped against two ends of the inner wall of the first supporting leg (1).

4. A scaffold for building construction according to claim 1, wherein: one end of the tension spring (701) is fixedly arranged at the bottom of one end of the self-locking frame (7), and the other end of the tension spring (701) is fixedly arranged at the inner side of the lifting outer frame (4).

5. A scaffold for building construction according to claim 1, wherein: the falling speed reducing assembly further comprises a second opening (103), an outer supporting block (604) and supporting rubber (605), wherein the second opening (103) is formed in the outer side of one end of the first supporting leg (1), one side of the outer supporting block (604) is fixedly connected to one side of the second sliding block (602), the supporting rubber (605) is fixedly connected to the top of the outer supporting block (604), and the supporting rubber (605) is fixedly mounted at the bottom of the outer side of the lifting outer frame (4).

6. A scaffold for building construction according to claim 1, wherein: the lifting drive assembly comprises a movable pulley (12), a rope fixing frame (13), a winding roller (14), a winding motor (15) and a steel wire rope (16), wherein the movable pulley (12) is rotationally connected to the inner side of the top of the pulley frame (11), the rope fixing frame (13) and the winding roller (14) are fixedly arranged at the top of the bedplate (3), the winding motor (15) is fixedly arranged on one side of the winding roller (14), one end of an output shaft of the winding motor (15) is matched with the rotating shaft of the winding roller (14), one end of the steel wire rope (16) is fixedly connected to one end of the rope fixing frame (13), the other end of the steel wire rope (16) is fixedly connected to the outer wall of the axis of the winding roller (14), and the axis of the steel wire rope (16) is movably connected to the bottom of the outer wall of the movable pulley (12).

7. A scaffold for building construction according to claim 1, wherein: the lifting support is characterized in that sliding grooves (101) are formed in two sides of the first supporting leg (1), lifting pulleys (401) are fixedly mounted on the inner sides of two ends of the lifting outer frame (4), and the lifting pulleys (401) are connected to the inner sides of the sliding grooves (101) in a rolling mode.