CN2883288Y

CN2883288Y - Suspension Screw Lifting Device

Info

Publication number: CN2883288Y
Application number: CN 200620056652
Authority: CN
Inventors: 周友仁
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-03-21
Filing date: 2006-03-21
Publication date: 2007-03-28
Anticipated expiration: 2016-03-21

Abstract

The utility model provides a suspension screw lifting device, belonging to the technical field of lifting devices, comprising a lift car, wherein a through screw is arranged at a proper vertical position of the lift car, the upper end of the screw is suspended on the bottom plate of the top layer, and the lower end is fixed on the bottom plate of the bottom layer; a protective sleeve is arranged on the periphery of the screw rod in the lift car; a driving nut is arranged on the screw rod, and the lift car is movably supported by the driving nut; the lift car is provided with a driving device controlled by the control box, and the driving device is linked with the driving nut; one to two vertical guide rails fixed on a floor of a floor are arranged on the side surface of the lift car, and positioning guide shoes sliding along the vertical guide rails are arranged at the outer edges of the upper end and the lower end corresponding to the lift car. The utility model has the advantages of simple structure, stable operation and safe use, and is used for the vertical transportation of low-rise buildings.

Description

The suspended screw jacking system

Technical field

The utility model relates to a kind of jacking system, refers in particular to a kind of suspended screw jacking system of lower buildings such as being used for luxury villa, compound floor.

Background technology

The traction-type elevator is widely used in the building, and the demand that is applicable to the jacking equipment of luxury villa, compound floor and small-sized multi-storey building also increases day by day, but traditional traction-type elevator is not obvious for the later cost savings of miniaturization, and complex structure, melt pit need be set, be difficult to satisfy the family level of consumption.How to find simpler and safe design plan, make and take up an area of little and the release melt pit, the vertical transport needs that satisfy family and other low layer scale are had crucial meaning.

Summary of the invention

The purpose of this utility model is at the deficiencies in the prior art, provide a kind of simple in structure, operate steadily, suspended screw jacking system safe in utilization.

The purpose of this utility model is achieved in that a kind of suspended screw jacking system, comprises car, and wherein: the vertical appropriate location of described car is provided with the screw rod that passes through, and the upper end of screw rod is suspended on the base plate of top layer, and the lower end is fixed on the base plate of bottom; Screw rod periphery in car is provided with protect pipe; Be provided with drive nut on screw rod, car is by the drive nut freely-movable bearing; Car is provided with the actuating device by control box control, actuating device and drive nut interlock; Be provided with one to two vertical guide that is fixed on the floor floor in the car side, lead boots being provided with along the location that this vertical guide is slided with the cooresponding upper and lower side outer rim of car place.

Car top upside described in the above-mentioned suspended screw jacking system is provided with crossbeam, and car is captiveed joint with crossbeam; Control box, actuating device are fixed on the crossbeam.

Screw rod periphery described in the above-mentioned suspended screw jacking system is provided with safety tongs, and safety tongs and car interlock are to increase safe in operation.

Actuating device described in the above-mentioned suspended screw jacking system is made up of the bearing of motor and fixed electrical machinery, shell both sides at motor are provided with the rectangle bead, bearing is provided with the rectangle chute that adapts with the rectangle bead, and the rectangle bead can be slided in vertical direction along the rectangle chute; Motor and bearing are fixed on crossbeam middle part by tie bolt, and the upper end of tie bolt is fastened on the rectangle bead of shell both sides of motor, and crossbeam is passed in its lower end, is provided with recoil spring in the periphery, lower end of tie bolt; The rotor of described motor is for passing the sleeve rotor of screw rod, captives joint with drive nut in the upper end of rotor; Screw rod is located in the sleeve rotor.

Safety tongs described in the above-mentioned suspended screw jacking system can clamp the contract piece by the taper that has clearance groove, medial surface is tapered round jacket, coupling link, article two, lever and two pull bars are formed, taper clamps the contract piece and is positioned at around the screw rod, round jacket is socketed in outside the taper clamping contract piece and is fixed on the crossbeam, the taper that coupling link is enclosed within the screw rod periphery clamps contract piece bottom, article two, lever lays respectively at the coupling link both sides, the middle part fulcrum of lever is arranged on the crossbeam, the inner and the coupling link of lever are hinged, the outer end of lever and the upper end of pull bar are hinged, and the clamp nut lid of the lower end of pull bar and the lower end of tie bolt is hinged.When drive nut lost efficacy to the support of car when screw thread all to smash (for example), spring from crossbeam, blocks the pull bar bullet to car thereby make the lever drives taper clamp the contract piece.

Protect pipe top described in the above-mentioned suspended screw jacking system is provided with operating panel and floor indicator lamp.

The utility model compared with prior art has following advantage:

(1) suspended screw is both as the suspension member of car, again as the lifting drive element and the retarder of car, simplified the single-piece structure, thereby realize the design of no machine room, no suspension rope, counterweightless, no hoistway, no melt pit easily, the moulding that makes jacking system is more versatile and flexible and satisfy different operatings needs.Anti-fall safety apparatus, both can guarantee the safe handling, cost is lowered greatly.

(2) can design by condition of self-locking between drive nut and the screw rod, avoid the danger of free falling, so can omit energy disperser.

(3) driving and control setup and car connect into integral body, and installation, maintenance is convenient.

(4) operating panel is loaded on the hollow column top in the car, even the car moulding is more flexible, can prevent that again the maloperation of child in the family and position indication from having the arrangement that upper-lower position can be arranged and effect directly perceived is arranged.

Description of drawings

Below in conjunction with the embodiment in the accompanying drawing the utility model is described in further detail, but does not constitute any restriction of the present utility model.

Fig. 1 is the structural representation of a kind of specific embodiment of the utility model;

Fig. 2 is the birds-eye view of Fig. 1;

Fig. 3 is the view of installing and using of the present utility model.

Among the figure: 1-car, 2-screw rod, 3-protect pipe, 31-operating panel, 32-floor indicator lamp, 4-drive nut, 5-control box, 6-actuating device, 61-motor, 61A-rectangle bead, 61B-rotor, 62-bearing, 62A-rectangle chute, 7-vertical guide, 8-crossbeam, 9-tie bolt, 10-recoil spring, 11-safety tongs, 11A-taper clamp contract piece, 11B-round jacket, and boots are led in 11C-coupling link, 11D-lever, 11E-pull bar, 12-location.

The specific embodiment

Consult Fig. 1, shown in Figure 2, suspended screw jacking system of the present utility model comprises cylindrical shape car 1, and the vertical middle part of car 1 is equipped with screw rod 2, the upper end of screw rod 2 is suspended on the base plate of top layer by the suspention flange, and the lower end is fixed on the base plate of bottom by pre-tensioned clamp flange; Screw rod 2 peripheries in car 1 are provided with protect pipe 3, are provided with the operating panel 31 of control car 1 operation and the floor indicator lamp 32 of demonstration car 1 position on protect pipe 3 tops.Be provided with crossbeam 8 at car 1 top upside, car 1 is captiveed joint with crossbeam 8.On the screw rod 2 of crossbeam 8 upsides, be provided with drive nut 4, on crossbeam 8, be fixed with control box 5, actuating device 6, actuating device 6 is made up of the bearing 62 of motor 61 and fixed electrical machinery 61, be provided with rectangle bead 61A in the shell both sides of motor 61, bearing 62 is provided with the rectangle chute 62A that adapts with rectangle bead 61A, and rectangle bead 61A can slide in vertical direction along rectangle chute 62A; Motor 61 and bearing 62 are fixed on crossbeam 8 middle parts by tie bolt 9, and the upper end of tie bolt 9 is fastened on the rectangle bead 61A of shell both sides of motor 61, and crossbeam 8 is passed in its lower end, is provided with recoil spring 10 in the periphery, lower end of tie bolt 9; The rotor 61B of motor 61 is for passing the sleeve rotor of screw rod 2, captives joint with drive nut 4 in the upper end of rotor 61B; Screw rod 2 is located in the sleeve rotor 61B.Be provided with safety tongs 11 in screw rod 2 peripheries, safety tongs 11 and car 1 interlock, this safety tongs 11 clamps contract piece 11A by taper, round jacket 11B, coupling link 11C, article two, lever 11D and two pull bar 11E form, taper clamps contract piece 11A and is positioned at screw rod 2 peripheries, round jacket 11B is socketed in outside the taper clamping contract piece 11A and is fixed on the crossbeam 8, the taper that coupling link 11C is enclosed within screw rod 2 peripheries clamps contract piece 11A bottom, article two, lever 11D lays respectively at coupling link 11C both sides, the middle part fulcrum of lever 11D is arranged on the crossbeam 8, the inner of lever 11D and coupling link 11C are hinged, the upper end of the outer end of lever 11D and pull bar 11E is hinged, and the lower end of the lower end of pull bar 11E and tie bolt 9 is hinged.Be equipped with vertical guide 7 in layer door both sides, the upper and lower in door both sides, the railway carriage or compartment of car 1 is provided with along the location that vertical guide 7 is slided and leads boots 12.

Actuating device 6 in the utility model also can adopt in the prior art worm-and-wheel gear or alternate manner commonly used, car 1 also can be as required or landform be designed to different symmetric shapes, as cylinder, the square bodily form, polygonal body etc.

When the utility model specifically uses, consult shown in Figure 3, be the scheme of installation of a kind of three-decker building with vertical lift device, the upper and lower end of screw rod 2 is separately fixed at building top layer and ground, motor 61 rotates according to control signal during use, drive drive nut 4 and rotate, thereby car 1 is moved up and down along screw rod 2, reach the purpose of lifting.

Claims

1. A suspension screw lifting device, comprising a car (1), characterized in that: the vertical appropriate position of the car (1) is provided with a threaded screw (2), and the upper end of the screw (2) is suspended On the base plate of the top floor, the lower end is fixed on the base plate of the bottom layer; a protective sleeve (3) is provided on the periphery of the screw rod (2) in the car (1); a drive nut (4) is provided on the screw rod (2), The car (1) is movably supported by the drive nut (4); the car (1) is provided with a drive device (6) controlled by the control box (5), and the drive device (6) is linked with the drive nut (4); The side of the car (1) is provided with one to two vertical guide rails (7) fixed on the floor of the floor, and the outer edges of the upper and lower ends corresponding to the car (1) are provided with slides along the vertical guide rails (7). locating guide shoe (12).

2. The suspension screw lifting device according to claim 1, characterized in that: the upper side of the top of the car (1) is provided with a beam (8), and the car (1) is fixedly connected to the beam (8); Control box (5), driving device (6) are fixed on the beam (8).

3. The suspension screw lifting device according to claim 1, characterized in that a safety gear (11) is provided on the periphery of the screw (2), and the safety gear (11) is linked with the car (1).

4. The suspension screw lifting device according to claim 2, characterized in that: the drive device (6) is composed of a motor (61) and a support (62) for fixing the motor (61), and the motor (61) ) is provided with a rectangular flange (61A) on both sides of the shell, and the support (62) is provided with a rectangular chute (62A) compatible with the rectangular flange (61A), and the rectangular flange (61A) can be moved along the rectangular chute ( 62A) slides in the vertical direction; the motor (61) and the support (62) are fixed in the middle of the beam (8) through the connecting bolt (9), and the upper end of the connecting bolt (9) is fastened on both sides of the casing of the motor (61) On the rectangular flange (61A), its lower end passes through the beam (8), and a buffer spring (10) is provided on the lower end periphery of the connecting bolt (9); the rotor (61B) of the motor (61) can pass through The hollow rotor of the screw rod (2), the upper end of the rotor (61B) is fixedly connected with the drive nut (4); the screw rod (2) is passed through the hollow rotor (61B).

5. The suspension screw lifting device according to claim 3, characterized in that: the safety gear (11) is composed of a tapered clamping block (11A) with a gap groove, and a tapered round inner surface. Shaped outer jacket (11B), connecting ring (11C), two levers (11D) and two pull rods (11E), the tapered clamping wedge (11A) is located around the screw rod (2), and the circular outer jacket (11B) sets Connected to the outside of the tapered clamping wedge (11A) and fixed on the beam (8), the connecting ring (11C) is sleeved on the bottom of the tapered clamping wedge (11A) on the periphery of the screw rod (2), and the two levers (11D ) are located on both sides of the connecting ring (11C), the middle fulcrum of the lever (11D) is set on the beam (8), the inner end of the lever (11D) is hinged to the connecting ring (11C), and the outer end of the lever (11D) is connected to the pull rod ( The upper end of 11E) is hinged, and the lower end of pull bar (11E) is hinged with the fastening nut cover of the lower end of connecting bolt (9).

6. The suspension screw lifting device according to any one of claims 1 to 5, characterized in that: the upper part of the protective sleeve (3) is provided with an operation panel (31) and a floor indicator light (32).