CN101717056B

CN101717056B - Manual lifting variable-angle device

Info

Publication number: CN101717056B
Application number: CN2009102192522A
Authority: CN
Inventors: 姚克; 孙保山; 张幼振; 李栋
Original assignee: SIAN BRANCH OF CHINA COAL RESEARCH INSTITUTE
Current assignee: Xian Research Institute Co Ltd of CCTEG
Priority date: 2009-12-02
Filing date: 2009-12-02
Publication date: 2012-05-09
Anticipated expiration: 2029-12-02
Also published as: CN101717056A

Abstract

The invention relates to a manual lifting angle variation device. The angle variation of mechanisms is generally in three modes: an oil cylinder hinged shaft mechanism has a small angle variation range; a rotational oil cylinder mechanism has a large angle variation range, but has high using and maintaining costs and large size; and a reducer pivoting supporting bearing mechanism of a hydraulic motor has complex structure, high cost, large size and heavy weight. The lifting of the mechanisms is generally in two modes: a telescopic oil cylinder mechanism has high cost, large size and heavy weight; and a pulley steel rope mechanism realizes ascending through a winch motor or a manual hoisting steel rope and descending by pulling down through self weight or auxiliary external force, has complex structure and large size. The manual lifting angle variation device comprises a turbine worm reducer with a self-locking function, a hand wheel, an angle variation seat, a connecting plate, an upright post, a gear rack, a gear rack, an upright post, an upright post, a gear, a gear, a gear shaft and an end cover plate. The invention realizes the angle variation function of the manual lifting angle variation device and has the advantages of convenient and reliable use, no noise, simple structure, reliable work, low cost, small size and light weight.

Description

A kind of manual lifting variable-angle device

Technical field

The present invention relates to a kind of mechanical device, is a kind of manual lifting variable-angle device specifically.

Technical background

In the prior art, the realization of mechanism's angle has three kinds of modes usually: oil cylinder hinged shaft mechanism, and through the telescopic band actuation mechanism realization angle of oil cylinder, owing to receive the restriction of oil cylinder stroke, the angle scope is little; Rotary oil cylinder mechanism, through the synchronous angle of rotating band actuation mechanism of hydraulic ram, the angle scope is big, but the working service cost is high, volume is big; HM Hydraulic Motor retarder pivoting support bearing mechanism, HM Hydraulic Motor output drives the mechanism that is installed on the bearing and realizes angle through the rotation of retarder deceleration bearing, has complex structure, cost is high, volume weight is big problem.The realization that mechanism goes up and down has dual mode usually: telescopic oil cylinder mechanism, and cost is high, volume weight is big; Pulley wire rope mechanism, winch motor or artificial hoisting rope are realized promoting, and lean on the drop-down realization of deadweight or auxiliary external to land, and complex structure, volume are big.

Summary of the invention

The technical matters that the present invention solved provides a kind of simple in structure, reliable operation, cost is low, volume is little, lightweight manual lifting variable-angle device.

For solving above-mentioned technical matters, the technical scheme that the present invention takes:

Special character of the present invention is: comprise turbine and worm reductor, handwheel, angle seat, connecting panel, column, tooth rest, tooth rest, column, column, gear gear, gear wheel shaft, end casing with auto-lock function; One end of the axle drive shaft of turbine and worm reductor is connected with handwheel; The axle drive shaft other end of turbine and worm reductor is connected with the angle seat; And be provided with adapter sleeve, circlip between the two, the angle seat is connected through connecting panel with column; The sheathed successively column of the inner chamber of described column, column are through pin, finger setting; One side of the outer wall of column, column is respectively arranged with tooth bar; Tooth rest, tooth rest are separately positioned on the mounting groove on column, column top; Gear, gear are separately positioned on tooth rest, the tooth rest through the end casing location, and gear, gear respectively with the tooth bar engagement of a side of the outer wall of column, column; Described handwheel is connected with the gear wheel shaft of gear or gear respectively.

Above-mentioned connecting panel and adapter sleeve all adopt key connecting between adapter sleeve and the turbine and worm reductor.

Above-mentioned connecting panel is provided with knock hole, and the angle seat is provided with the dowel hole that cooperates with the knock hole of connecting panel.

The dowel hole of the knock hole of above-mentioned connecting panel and angle seat is through finger setting, and an end of pin is provided with the rotation pin cap.

Be provided with keyway on the above-mentioned column of stating, the column inwall, be respectively arranged with on column, the column outer wall with column, column inwall on the corresponding perforation positioning spline of keyway.

Evenly be provided with the dowel hole parallel on the cylinder of relative tooth bar one side of above-mentioned column with tooth.

Compared with prior art, beneficial effect of the present invention:

The present invention is through realizing the angle function of lifting variable-angle device with the direct revolving wormgear worm decelerating machine of handwheel input shaft; Through with the gear wheel shaft on the direct rotary teeth wheel carrier of handwheel, can realize that the two-stage of lifting variable-angle device is flexible, thereby the elevating function of implement device long travel is easy to use and reliable; Noiselessness, have simple in structure, reliable operation; Cost is low, and volume is little, lightweight characteristics.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the left view of Fig. 1;

Fig. 3 be Fig. 1 along A-A to cross section view;

Fig. 4 be Fig. 3 along C to view.

The specific embodiment

Below in conjunction with the accompanying drawing and the specific embodiment the present invention is elaborated.、

Referring to Fig. 1～4, the present invention includes turbine and worm reductor 1, angle seat 17, bench board 23, adapter sleeve 2, connecting panel 14, circlip 12, rotation pin cap 4, column 6, tooth rest 9, tooth rest 10, column 7, column 8, gear 20, gear 24, gear wheel shaft 22, end casing 16, handwheel 3, pin 5, pin 15, pin 18, key 19.

Turbine and worm reductor 1, angle seat 17 are fixed on the bench board 23, and turbine and worm reductor 1 has auto-lock function, can make lifting variable-angle device at any angular position positive lock in the angle process; Connecting panel 14 abuts against on the angle seat 17 and angle seat 17 rotations relatively; Realize connecting transmission and axial location with adapter sleeve 2, circlip 12, wherein connecting panel 14 and adapter sleeve 2, adapter sleeve 2 and 1 of turbine and worm reductor adopt key connecting to realize power transmission; Be processed with two dowel holes on the angle seat 17; Be processed with inside and outside two circle corresponding positioning hole on the connecting panel 14; Rotate the realization angle through driving connecting panel 14 with handwheel 3 revolving wormgear worm decelerating machines 1, angle puts in place, and the back is inserted the knock hole of connecting panels 14 to pin 5 and the dowel hole of angle seat 17 is realized the location; Column 6 is fixedly mounted on the connecting panel 14, rotates angle with connecting panel 14; Gear 20, gear wheel shaft 22 are installed on tooth rest 9 and the tooth rest 10 separately; Tooth rest 10, tooth rest 9 are installed in respectively on column 6, the column 7; Column 6, column 7 upper design have mounting groove, cooperate the location of realizing tooth rest 10, tooth rest 9 with end casing 16; Column 7 is sleeved in the column 6; Column 8 is sleeved in the column 7; Handwheel 25 is connected with the gear wheel shaft of gear 20 or gear 24 respectively; With the up-down of 20 drive columns 7 of the gear on the handwheel 25 rotary teeth wheel carriers 10 or column 8 up-down implement devices, after aligning, realize the location with pin 18, pin 15 respectively to the corresponding height pin-and-hole, locate with key 19 realization circumferencial directions.

Rotation pin cap 4 is installed on the angle seat 17, and rotation pin cap 4 takes out pin 5 when selling position, 5 replacing hole, inserts pin 5 to Kong Weihou, with pin cap 4 spinning reductions, can prevent that pin 5 gets loose in the working process.

Have keyway on column 6, column 7 inwalls, have the perforation positioning spline on described column 7, column 8 outer walls, respectively with column 6, column 7 inwalls on the keyway opened corresponding, the circumferencial direction location that can realize the lifting column device through the effect of key 19.

Column 7, column 8 outer walls one side are processed with tooth bar, match with gear 20, gear 24 on being installed in tooth rest, realize the up-down of column 7, column 8.

Whenever keep at a certain distance away on the column 7 relative tooth bar one lateral column bodies and be processed with the dowel hole parallel with tooth, the back of going up and down to put in place is fixed with pin; Column 6, column 7 ends are equipped with tooth rest, and swing pinion can be realized the up-down of column 7, column 8.

Claims

1. manual lifting variable-angle device; It is characterized in that: comprise turbine and worm reductor (1), first handwheel (3), second handwheel (25), angle seat (17), connecting panel (14), first column (6), first tooth rest (9), second tooth rest (10), second column (7), the 3rd column (8), first gear (20), second gear (24), gear wheel shaft (22), end casing (16) with auto-lock function; One end of the axle drive shaft of turbine and worm reductor (1) is connected with first handwheel (3); The axle drive shaft other end of turbine and worm reductor (1) is connected with angle seat (17); And be provided with adapter sleeve (2), circlip (12) between the two, angle seat (17) is connected through connecting panel (14) with first column (6); Sheathed successively second column of the inner chamber of described first column (6) (7), the 3rd column (8) are through first pin (18), second pin (15) location; One side of the outer wall of second column (7), the 3rd column (8) is respectively arranged with tooth bar; First tooth rest (9), second tooth rest (10) are separately positioned on the mounting groove on second column (7), first column (6) top; Second gear (24), first gear (20) are separately positioned on first tooth rest (9), second tooth rest (10) and go up through end casing (16) location, and second gear (24), first gear (20) respectively with the tooth bar engagement of a side of the outer wall of second column (7), first column (6); Described second handwheel (25) is connected with the gear wheel shaft of first gear (20) or second gear (24).

2. a kind of manual lifting variable-angle device according to claim 1 is characterized in that: described connecting panel (14) and adapter sleeve (2), all adopt key connecting between adapter sleeve (2) and the turbine and worm reductor (1).

3. a kind of manual lifting variable-angle device according to claim 1 and 2 is characterized in that: described connecting panel (14) is provided with knock hole, and angle seat (17) is provided with the dowel hole that cooperates with the knock hole of connecting panel (14).

4. a kind of manual lifting variable-angle device according to claim 3 is characterized in that: the dowel hole of the knock hole of described connecting panel (14) and angle seat (17) is through pin (5) location, and an end of pin (5) is provided with rotation pin cap (4).

5. a kind of manual lifting variable-angle device according to claim 4; It is characterized in that: be provided with keyway on described first column (6), second column (7) inwall, be respectively arranged with on second column (7), the 3rd column (8) outer wall with first column (6), second column (7) inwall on the corresponding perforation positioning spline of keyway.

6. a kind of manual lifting variable-angle device according to claim 5 is characterized in that: evenly be provided with the dowel hole parallel with tooth on the cylinder of relative tooth bar one side of described second column (7).