CN210944758U - A safe lift for construction - Google Patents

A safe lift for construction Download PDF

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Publication number
CN210944758U
CN210944758U CN201922001870.1U CN201922001870U CN210944758U CN 210944758 U CN210944758 U CN 210944758U CN 201922001870 U CN201922001870 U CN 201922001870U CN 210944758 U CN210944758 U CN 210944758U
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fixedly connected
box
protection
lifting
bar
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CN201922001870.1U
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Chinese (zh)
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高峰
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Individual
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Individual
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Abstract

The utility model discloses a safe elevator for construction; belongs to the technical field of construction; the lifting box is fixedly connected to the top of the workbench, a lifting plate is arranged at the top of the lifting box, a protection box is fixedly connected to the bottom of the lifting plate, a first sliding rod is fixedly connected to the inner bottom wall of the protection box, a movable rack rod is connected to the outer surface of the first sliding rod in a sliding mode, and a spring is sleeved on the outer surface of the first sliding rod. The utility model discloses, rise the protective rod automatically and protect constructor, prevent that constructor from dropping from the top of lifter plate, when the lifter plate descends, insert the inside of protecting box through fixed rack bar, the rotation through the gear comes the inside that the movable rack bar withdraws the protecting box to make the protective rod descend, and the mode through automatic rising protection machanism prevents that constructor from forgetting to close or do not close jail protection machanism, increases the problem of constructor potential safety hazard.

Description

A safe lift for construction
Technical Field
The utility model relates to a construction technical field, more specifically say, especially relate to a safe lift for construction.
Background
The building construction refers to production activities in the engineering construction implementation stage, is a construction process of various buildings, and also can be a process of changing various lines on a design drawing into a real object at a specified place, and comprises basic engineering construction, main structure construction, roofing engineering construction, decoration engineering construction and the like, wherein the construction operation place is called a building construction site or a construction site, and is also called a construction site.
Current lift, in order to prevent that constructor from dropping, is equipped with the protection rail at the elevating platform top, enters into the elevating platform through the mode of opening the fence door, when constructor does not close the fence door or do not close the fence door, has increased the potential safety hazard when constructor constructs.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a safe lift for construction to above-mentioned prior art not enough.
The technical scheme of the utility model is realized like this: the utility model provides a safe lift for construction, comprises a workbench, the top fixedly connected with lifting box of workstation, the top of lifting box is equipped with the lifter plate, the bottom fixedly connected with protection box of lifter plate, the first slide bar of interior diapire fixedly connected with of protection box, the surface sliding connection of first slide bar has movable rack bar, the spring has been cup jointed to the surface of first slide bar, the inner wall swing joint of protection box has the bull stick, the surface fixed connection of bull stick has the gear, movable rack bar meshes with the gear mutually, the fixed rack bar of top fixedly connected with of workstation, the jack has been seted up to the bottom of protection box, the through-hole has been seted up at the top of protection box, the through-hole runs through the bottom of lifter plate and extends to the top of lifter plate, the top fixedly connected with protection pole of movable rack bar, the bottom fixedly connected with fixed block of lifter plate, the bottom of fixed block articulates through round pin.
As a further aspect of the present invention: the inside wall swing joint of lift box has the threaded rod, the surface threaded connection of threaded rod has two movable blocks, the inner circle screw thread opposite direction of two movable blocks, the inside wall fixedly connected with second slide bar of lift box, movable block sliding connection is at the surface of second slide bar, the both ends of expansion bracket bottom are through the fixed articulated top with two movable blocks respectively of round pin axle, make two movable blocks be close to each other through rotating the threaded rod, both ends through the expansion bracket bottom are close to each other, thereby raise the lifter plate.
As a further aspect of the present invention: the top fixedly connected with protection post of lifter plate, the top fixedly connected with dead lever of protection post through setting up protection post and dead lever, increases the protection to the lifter plate top, prevents that constructor from dropping.
As a further aspect of the present invention: the threaded rod runs through the inside wall of the lifting box and extends to the outside of the lifting box, the top fixedly connected with of the workbench is provided with a forward and reverse rotating motor, one end of the threaded rod is fixedly connected with the output end of the forward and reverse rotating motor, and the threaded rod is driven to rotate by starting the forward and reverse rotating motor.
As a further aspect of the present invention: the bottom fixedly connected with of workstation removes the wheel, removes the wheel and distributes at four edges of workstation bottom, removes the wheel through the setting and is convenient for make the workstation remove.
As a further aspect of the present invention: the top fixedly connected with link of workstation, a side fixedly connected with handle of link makes the device wholly remove through setting up the link through promoting the handle.
Compared with the prior art, the beneficial effects of the utility model are that:
1. constructor stands when the lifter plate top, drive the lifter plate through the both ends of extrusion expansion bracket bottom and rise, rotate and kick-back through fixed rack bar drive gear and drive movable rack bar and rise with the spring, thereby rise the protective bar automatically and protect constructor, prevent that constructor from dropping from the top of lifter plate, when the lifter plate descends, insert the inside of protection box through fixed rack bar, the rotation through the gear makes the protective bar descend with the inside that the movable rack bar was withdrawed the protective box, the mode through automatic rising protection machanism prevents that constructor from forgetting to close or not close jail protection machanism, increase constructor potential safety hazard's problem.
2. Make two movable blocks be close to each other through rotating the threaded rod, both ends through the expansion bracket bottom are close to each other to raise the lifter plate, through setting up protection post and dead lever, increase the protection to the lifter plate top, prevent that constructor from dropping, drive the threaded rod through the mode that starts positive and negative motor and rotate, remove the wheel through the setting and be convenient for make the workstation remove, make the device wholly remove through setting up the link through promoting the handle.
Drawings
The present invention will be described in further detail with reference to the following examples, which are not intended to limit the invention.
Fig. 1 is a schematic view of the structure of the lift box of the present invention.
FIG. 2 is a schematic structural view of the protective box of the present invention;
fig. 3 is a top view of the lifting plate of the present invention.
In the figure: 1. a work table; 2. a lifting box; 3. a lifting plate; 4. a protective case; 5. a first slide bar; 6. a movable rack bar; 7. a spring; 8. a rotating rod; 9. a gear; 10. fixing the rack bar; 11. a jack; 12. a through hole; 13. a guard bar; 14. a threaded rod; 15. a second slide bar; 16. a movable block; 17. a telescopic frame; 18. a fixed block; 19. a protective column; 20. fixing the rod; 21. a positive and negative rotation motor; 22. a moving wheel; 23. and a connecting frame.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
The utility model provides a safe lifter for construction as shown in figures 1-3, as shown in figure 1, comprising a workbench 1, a lifting box 2 is fixedly connected with the top of the workbench 1, a lifting plate 3 is arranged on the top of the lifting box 2, a protective box 4 is fixedly connected with the bottom of the lifting plate 3, a fixed block 18 is fixedly connected with the bottom of the lifting plate 3, a telescopic frame 17 is fixedly hinged with the bottom of the fixed block 18 through a pin shaft, a threaded rod 14 is movably connected with the inner side wall of the lifting box 2, two movable blocks 16 are connected with the outer surface of the threaded rod 14 through threads, the inner ring threads of the two movable blocks 16 are opposite in direction, a second sliding rod 15 is fixedly connected with the inner side wall of the lifting box 2, the movable blocks 16 are slidably connected with the outer surface of the second sliding rod 15, two ends of the bottom of the telescopic frame 17 are respectively fixedly hinged with the tops of the two movable blocks 16 through pin shafts, the both ends through expansion bracket 17 bottom are close to each other to raise lifter plate 3, threaded rod 14 run through the inside wall of lift box 2 and extend to the outside of lift box 2, the top fixedly connected with of workstation 1 is just reversing motor 21, and just reversing motor 21 is that the motor rotates clockwise and anticlockwise rotates. The clockwise rotation of the motor is the forward rotation of the motor, and the anticlockwise rotation of the motor is the reverse rotation of the motor. The forward and reverse rotation control circuit diagram and the principle analysis thereof are to realize that the forward and reverse rotation of the motor can be realized only by connecting any two opposite phase connection wires in the three-phase power supply incoming line of the motor, one end of a threaded rod 14 is fixedly connected with the output end of a forward and reverse rotation motor 21, the threaded rod 14 is driven to rotate by starting the forward and reverse rotation motor 21, the bottom of the workbench 1 is fixedly connected with moving wheels 22, the moving wheels 22 are distributed at four corners of the bottom of the workbench 1, the workbench 1 is convenient to move by arranging the moving wheels 22, the top of the workbench 1 is fixedly connected with a connecting frame 23, one side surface of the connecting frame 23 is fixedly connected with a handle, and the device is integrally moved by pushing the handle by arranging the connecting frame 23.
As shown in fig. 2, the inner bottom wall fixedly connected with first slide bar 5 of protection box 4, the surface sliding connection of first slide bar 5 has movable rack bar 6, spring 7 has been cup jointed to the surface of first slide bar 5, the inner wall swing joint of protection box 4 has bull stick 8, the surface fixedly connected with gear 9 of bull stick 8, movable rack bar 6 meshes with gear 9 mutually, the fixed rack bar 10 of top fixedly connected with of workstation 1, jack 11 has been seted up to the bottom of protection box 4, through-hole 12 has been seted up at the top of protection box 4, through-hole 12 runs through the bottom of lifter plate 3 and extends to the top of lifter plate 3, the top fixedly connected with guard bar 13 of movable rack bar 6.
As shown in fig. 3, a protection column 19 is fixedly connected to the top of the lifting plate 3, a fixing rod 20 is fixedly connected to the top of the protection column 19, and through the arrangement of the protection column 19 and the fixing rod 20, protection for the top of the lifting plate 3 is increased, so that a constructor is prevented from falling.
The utility model discloses the theory of operation: when a constructor stands on the top of the lifting plate 3, the threaded rod 14 is rotated by starting the forward and reverse rotating motor 21 so that the two movable blocks 16 are close to each other, the lifting plate 3 is driven to ascend by extruding the two ends of the bottom of the telescopic frame 17, when the lifting plate 3 ascends, the movable rack bar 6 is driven to ascend by rotating the driving gear 9 of the fixed rack bar 10 and rebounding the spring 7, so that the guard bar 13 is automatically lifted to protect the constructor, the constructor is prevented from falling off from the top of the lifting plate 3, when the lifting plate 3 descends by starting the forward and reverse rotating motor 21 to reversely rotate and the lifting plate 3 descends by separating the two movable blocks 16 from each other, the fixed rack bar 10 is inserted into the inside of the guard box 4 through the insertion hole 11, the guard bar 13 is retracted into the inside of the guard box 4 by the rotation of the gear 9 so that the guard bar 13 descends, thereby the purpose of the automatic lifting protection mechanism is realized.
The above embodiment is the preferred embodiment of the present invention, which is only used to facilitate the explanation of the present invention, it is not right to the present invention, which makes the restriction on any form, and any person who knows commonly in the technical field can use the present invention to make the equivalent embodiment of local change or modification without departing from the technical features of the present invention.

Claims (6)

1. The utility model provides a safe lift for construction, its characterized in that: comprises a workbench (1), the top of the workbench (1) is fixedly connected with a lifting box (2), the top of the lifting box (2) is provided with a lifting plate (3), the bottom of the lifting plate (3) is fixedly connected with a protection box (4), the inner bottom wall of the protection box (4) is fixedly connected with a first slide bar (5), the outer surface of the first slide bar (5) is slidably connected with a movable rack bar (6), the outer surface of the first slide bar (5) is sleeved with a spring (7), the inner wall of the protection box (4) is movably connected with a rotating bar (8), the outer surface of the rotating bar (8) is fixedly connected with a gear (9), the movable rack bar (6) is meshed with the gear (9), the top of the workbench (1) is fixedly connected with a fixed rack bar (10), the bottom of the protection box (4) is provided with an insertion hole (11), the top of the protection box (4) is provided with a through hole (12), the through hole (12) runs through the bottom of the lifting plate (3, the top fixedly connected with guard bar (13) of activity rack bar (6), the bottom fixedly connected with fixed block (18) of lifter plate (3), the fixed articulated expansion bracket (17) that has through the round pin axle in the bottom of fixed block (18).
2. A safety hoist for use in construction work according to claim 1, characterized in that: the inside wall swing joint of lift box (2) has threaded rod (14), and the surface threaded connection of threaded rod (14) has two movable blocks (16), and the inner circle screw thread opposite direction of two movable blocks (16), the inside wall fixedly connected with second slide bar (15) of lift box (2), movable block (16) sliding connection is at the surface of second slide bar (15), and the both ends of expansion bracket (17) bottom are passed through the round pin axle and are fixed articulated with the top of two movable blocks (16) respectively.
3. A safety hoist for use in construction work according to claim 1, characterized in that: the top of lifter plate (3) fixedly connected with protection post (19), the top fixedly connected with dead lever (20) of protection post (19).
4. A safety hoist for use in construction work according to claim 2, characterized in that: threaded rod (14) run through the inside wall of lift case (2) and extend to the outside of lift case (2), the top fixedly connected with of workstation (1) is motor (21) just reversing, the output fixed connection of the one end of threaded rod (14) and motor (21) just reversing.
5. A safety hoist for use in construction work according to claim 1, characterized in that: the bottom fixedly connected with of workstation (1) removes wheel (22), removes wheel (22) and distributes in four corners in workstation (1) bottom.
6. A safety hoist for use in construction work according to claim 1, characterized in that: the top of the workbench (1) is fixedly connected with a connecting frame (23), and one side face of the connecting frame (23) is fixedly connected with a handle.
CN201922001870.1U 2019-11-19 2019-11-19 A safe lift for construction Active CN210944758U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922001870.1U CN210944758U (en) 2019-11-19 2019-11-19 A safe lift for construction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922001870.1U CN210944758U (en) 2019-11-19 2019-11-19 A safe lift for construction

Publications (1)

Publication Number Publication Date
CN210944758U true CN210944758U (en) 2020-07-07

Family

ID=71399582

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922001870.1U Active CN210944758U (en) 2019-11-19 2019-11-19 A safe lift for construction

Country Status (1)

Country Link
CN (1) CN210944758U (en)

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