CN100415626C

CN100415626C - Drum type traction machine

Info

Publication number: CN100415626C
Application number: CNB2006100409930A
Authority: CN
Inventors: 陈惠良
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-08-18
Filing date: 2006-08-18
Publication date: 2008-09-03
Anticipated expiration: 2026-08-18
Also published as: CN1911773A

Abstract

The present invention is one kind of drum type dragging machine and belongs to the field of elevating facility technology. The drum type dragging machine includes one gear box with three fixing legs; one motor seat set on the gear box; one motor fixed on the motor seat and with one coupling fixed on its shaft; one brake drum fixed to the coupling and the worm gear inside the gear box; one pair of dragging drums fixed separately onto one pair of main shafts inside the gear box; and one braking mechanism set on the gear box. The drum type dragging machine has the advantages of being suitable for underneath installation, simple structure, flexible installation mode, no need of machine room, etc.

Description

Drum type traction machine

Technical field

The present invention relates to a kind of drum type traction machine, the drum type traction machine that especially a kind of man lift uses belongs to the lift installation technical field.

Background technology

The installation site of the towing machine that existing man lift uses all is selected at the top of lift car, it is the top of hoistway, custom is called overhead type, overhead type is installed and has been warded off machine room usually in addition, so that for maintenance, maintenance are provided convenience, but overhead type is more than not going up the installation, maintenance that underneath type has, the comfort feature in the maintenance.Install if change towing machine of the prior art into underneath type, can't open up machine room so, remove and leave no choice but its structure is improved, make it need not attach harsh machine room condition.Therefore, with regard to the towing machine of present structure, can only be confined to overhead type and install.Adopt the overhead type mounting means, often be applicable to the occasion of using for the public such as hotel, restaurant, market, various public entertainments place, building or the like, because this building possesses the condition that enough spaces are set up bigger hoistway and left machine room.But, along with the raising of people's living standard, the improvement of living conditions, home lift also progresses into resident family.Therefore, for common residential building, existing elevator traction machine just can not be suitable for.Mainly be the restriction that is subjected to following factor: the one,, as the residential houses, be subjected to the restriction of building structure, can't set up machine room above promptly corresponding to lift car at the top of hoistway, even painstakingly set up machine room, so, because it is to be that cost exchanges for to sacrifice limited space, thereby be not easily accepted by people; The 2nd,, if will have elevator traction machine now and be grafted directly to civil construction, and the position will be set become overhead type and be underneath type, so, the trouble in the time of can bringing installation, maintenance, maintenance is so be worthless; The 3rd,, the structure of existing elevator traction machine itself is comparatively complicated, and is furnished with clump weight (claiming balance block again), and for home lift, hoistway is narrower, so all big towing machines of this volume, quality also are to be difficult to be configured to private residence especially in the building in villa room and so on, because the lift car of private residence, hoistway can not be copied the hoistway of the lift car of general-utility; The 4th,, mounting position is stiff, can only be horizontal installation, and horizontal installation will inevitably be changed (increase) installing space greatly.

In view of this, the development and Design towing machine that goes out to be entered private residence has become present the eager realistic problem of paying close attention to.Yet, no matter be with disclosed document, still from the market of reality, application finds no the technology enlightenment of the existing above-mentioned technical matters of elevator traction machine that is overcome in the prior art per capita.

Summary of the invention

Task of the present invention be to provide a kind of need not mate machine room, installation, maintenance, all just, that structure is terse, mounting position can be selected the flexibly drum type traction machine of maintenance.

Task of the present invention is finished like this, a kind of drum type traction machine, and it comprises a change speed gear box 23, has extended first, second, third on the casing of this change speed gear box 23 respectively and has installed and fixed pin 13,16,38; One motor cabinet 32 is fixed on the change speed gear box 23; One motor 1 is fixed on the motor cabinet 32, is fixed with a coupler 36 on the motor shaft 37 of motor 1; One brake wheel 35 fixes with coupler 36, and connects firmly mutually with worm screw 22 in the change speed gear box 23, and worm screw 22 is matched with the worm gear 21 of a pair of main shaft 17 1 ends of change speed gear box 23, and the other end of main shaft 17 is stretched over outside the change speed gear box 23; A pair of traction cylinder 4 is separately fixed on a pair of main shaft 17; One acts on the stop mechanism of described brake wheel 35 under power failure state, be arranged on the change speed gear box 23, described motor cabinet 32 is fixed on the top corresponding to the worm screw staving 39 of change speed gear box 23 1 sides, and the face-to-face both sides of this motor cabinet 32 are formed with a pair of brake plate chamber 40.

Of the present invention first, second, third installs and fixes the rectangular triangle of distributing position between the pin 13,16,38 distributes, wherein, second install and fix pin 16 can be respectively with the first, the 3rd install and fix pin 13,38 be made into right.

Brake wheel 35 of the present invention is contained in the brake drum cavity 31 of described motor cabinet 32, be provided with the coupler fixed orifice 41 that is used for for connecting firmly with coupler 36 between around its diapire, and central authorities offer and are used for the worm screw axis hole 33 that the top for worm screw 22 is stretched into, be equipped with an end cap 7 on the worm screw axis hole 33, end cap 7 fixes with the top of worm screw 22.

The nearly middle part hub setting of a pair of main shaft 17 of the present invention on a pair of main shaft end cap 15 of change speed gear box 23, and a pair of main shaft 17 respectively be equipped with one on the axis body outside the change speed gear box that is stretched over 23 and be used for the key 44 matched with a pair of traction cylinder 4.

Respectively offer on a pair of traction cylinder 4 of the present invention and be used for the spindle hole 3 that penetrates for described main shaft 17, constitute a keyway 45 on the hole wall of spindle hole 3.

A pair of main shaft 17 of the present invention is a word each other and distributes, and described a pair of traction cylinder 4 also is a word and distributes.

A surperficial inclined to one side side of a pair of traction cylinder 4 of the present invention has extended steel rope pressing plate 2.

Stop mechanism of the present invention comprises a pair of electromagnet 8, a pair of brake control lever 14, a pair of brake plate 19, one pulling-rod frame 27, a pair of pull bar 24, a pair of spring perch 26, a pair of spring 25 and a pair of draw-bar guide 29 and a connecting rod 30, a pair of electromagnet 8 is installed on the change speed gear box 23, each electromagnet 8 has an energy and gets the electromagnet screw 10 that is pushed out under power failure state by adhesive under the electricity condition at electromagnet 8, this electromagnet screw 10 links with an end of brake control lever 14, brake control lever 14 also with extend that both appoint the axle bed of selecting on the one 11 to articulate in change speed gear box 23 and motor cabinet 32, brake plate 19 is fixed on the middle part of brake control lever 14, and brake plate chamber 40 corresponding to motor cabinet 32, the front end of the other end of brake control lever 14 and pull bar 24 links, pull bar 24 is located on the pulling-rod frame 27, pulling-rod frame 27 is arranged on worm screw staving 39 and motor cabinet 32, and both appoint and select on the one, a pair of spring perch 26 is fixed on the rear end of corresponding pull bar 24, a pair of spring 25 is set in the nearly middle part of pull bar 24, keep out respectively on spring perch 26 and pulling-rod frame 27 at two ends, a pair of draw-bar guide 29 hub settings are on a pair of brake control lever 14, and the two ends of connecting rod 30 link with a pair of draw-bar guide 29 respectively.

A pair of brake plate 19 of the present invention be shaped as a watt shape, and both positions are opposed.

The drum type traction machine that the present invention recommended is compared with the towing machine in the prior art and had the following advantages: one, a pair of main shaft 17 that nearly middle part stretched out from change speed gear box 23 is provided with a pair of traction cylinder 4 and motor 1, worm screw staving 39 is constituted the yi word pattern configuration, and extend the 3rd in bottom and install and fix pin 38, can realize that underneath type installs corresponding to the worm screw cylindrical shell 39 of worm screw 22; Two, a pair of traction cylinder 4 synchronization actions need not resemble and set clump weight the prior art, make structure terse; Three, first, second, third install and fix pin 13,16,38 can be with mounting means according to need selecting; Four, compact conformation, overall volume have obtained reasonable control, and the The Small Well road occasion that is beneficial to such as the villa room is installed; Five, need not to be equipped with machine room, help conserve space.

Description of drawings

Fig. 1 is an assembling assumption diagram of the present invention.

Fig. 2 is an application example figure of the present invention.

Fig. 3 is the another application of the invention instance graph.

The specific embodiment

By following explanation, will help to understand technical spirit of the present invention and technique effect more, but can not limit the present invention with embodiment to embodiment.

Ask for an interview Fig. 1, the location status that the applicant provides with this figure is that example is narrated, extend a pair of first, second on the right side of change speed gear box 23 separated by a distancely and install and fix pin 13,16, that is said here separated by a distancely can be obtained understanding by diagram, promptly first install and fix the right upper portion that pin 13 occupy change speed gear box 23, second installs and fixes the lower right side that pin 16 then occupy change speed gear box 23.If it is 90 ° of Right deviations that shown position is changed to the right, so just, installing and fixing pin 13,16 by first, second bears the responsibility and supports fixing to whole change speed gear box 23, the state that provides among the figure is taken on by second, third fixing feet 16,38 and is installed and fixed, the former can be used as horizontal fixing, the latter is that shown position then is called vertical fixing, therefore, the present invention has the alternative that use is installed.This effect is actually and installs and fixes by first, second, third that reasonable combination between the pin 13,16,38 embodies, and, has constituted the right-angled triangle on the spatial relationship between the three that is.

Motor cabinet 32 lucky tops corresponding to worm screw staving 39, more particularly be bung 34 tops corresponding to worm screw staving 39, two corresponding sidepieces of motor cabinet 32 are formed with not osed top disappearance part, nationality constitutes brake plate chamber 40 by these two the formed openings of disappearance part, so that braked by means of the brake wheel 35 that these 40 pairs in two brake plate chambeies are received in the chamber by a pair of brake plate 19 of stop mechanism.The top of motor cabinet 32 is expanded and has been set as flange one, is furnished with the motor fixed orifice between on the flange.Motor 1 is fixed on the flange by fix screw, connect firmly axial organ 36 by the flat key key on the motor shaft 37 of motor 1, be provided with bolt hole 43 between on the coupler 36, by bolt 42 pass bolt hole 43 and and then bolt cross coupler fixed orifice 41 back that is opened in brake wheel 35 bottoms with nut and to add corresponding pad (being illustrated among the figure) fixing, thereby finished the affixed of coupler 36 and brake wheel 35.

The top that is located in the worm screw 22 in the worm screw staving 39 of change speed gear box 23 is stretched over outside the worm screw cover 34, the cavity volume that enters into motor cabinet 32 is in the brake drum cavity 31, and extend in the worm screw axis hole 33 that brake wheel 35 central authorities offer, on the end face of the upper end of worm screw 22, offer at least one worm screw fixed orifice 28, by end cap 7 by means of fixing to worm screw 22 by two screws that illustrate, thereby realized fixedly connected with worm screw 22 and brake wheel 35, the bottom hub setting of worm screw 22 is on lower shaft flap 20.When motor 1 rotation, owing to coupler on the motor shaft 37 that is fixedly arranged on motor 1 and brake wheel 35 bindings, therefore, brake wheel 35 is rotation thereupon also, again owing to brake wheel 35 is connected by end cap 7 and worm screw 22, so also rotation thereupon of worm screw 22, also since the lower end of worm screw 22 be be installed in main shaft 17 on worm gear 21 match, therefore worm gear 21 in like manner rotates, and then ground, and a pair of main shaft 17 also rotates.

A pair of main shaft 17 is stretched over outside the main shaft end cap 15 of change speed gear box 23 with being a left and right word distributional pattern, respectively is equipped with key 44 on it, and offers screw hole 18 on the end face of main shaft 17.Spindle hole 3 on a pair of traction cylinder 4 matches with main shaft 17, and key 44 door bolt on the main shaft 17 is gone in the keyway 45 to the spindle hole 3, and is fixing by the screw hole 18 on the end face of screw 6 and main shaft 17 with main shaft capping 5 then.According to general knowledge, if on the hole wall of spindle hole 3, convex with key, and on main shaft 17, be arranged with keyway, can make traction cylinder 4 fixing so equally with main shaft 17, therefore, the present invention dashes forward on main shaft 17 and establishes key 44 is relative.When main shaft 17 rotations, also rotation thereupon of traction cylinder 4 so.At steel rope pressing plate 2 set on the traction cylinder 4 is what to be used for fixing around the cardinal extremity of multiple traction steel-cable on the cylindrical shell of traction cylinder 4, and the front end of traction steel-cable connects mutually with car, suitable or contrary rotation along with traction cylinder 4, then show as the receipts rope of steel rope or put rope, passenger cage is risen or decline.

Please continue to see Fig. 1, a pair of electromagnet 8 of stop mechanism disclosed in this invention is fixed on the inclined to one side side in top of change speed gear box 23, and electromagnet screw 10 is controlled by electromagnet 8, when electromagnet 8 when electric, 10 adhesives of electromagnet screw, on the contrary then stretch out.The groove position that electromagnet screw 10 and brake control lever 14 1 ends the are offered knot that links, and limit the position with nut.Brake control lever 14 is by expanding the bead of establishing on it, and is articulated at axis hole 12 that flaunching part is offered and the axle bed 11 that is arranged on the motor cabinet 32, specifically is to pass with pivot pin 9 to wear behind the pin hole on the axle bed 11 and in axis hole 12.To axle bed 11, the position shown in the figure but can be chosen on the change speed gear box 23 on motor cabinet 32 equally, and both should be equivalent.Seen that by figure the middle part of brake control lever 14 is formed with one and is the banana shape or claims crescent shape or the recessed portion of title tile, brake plate 19 is fixed on the position of this recessed portion, thereby makes the shape of brake plate 19 also be aforementioned shapes.Owing to respectively constitute not osed top atrium on the corresponding both sides wall body of motor cabinet 32, nationality constitutes brake plate chamber 40 by this atrium, brake plate 19 can be had an effect with the outer wall that is contained in the brake wheel 35 in the brake drum cavity 31 in the position in brake plate chamber 40, when a pair of brake plate 19 clings on the outer wall of brake wheel 35, brake wheel 35 is stopped the rotation, and vice versa.The end of the other end of brake control lever 14 and pull bar 24 links, and specifically is to finish by the wing bolt that provides among the figure.Pull bar 24 is located on the pulling-rod frame 27, equally both can extend in motor cabinet 32 sidepieces for the particular location of pulling-rod frame 27, also can extend on the casing of change speed gear box 23, selects the former shown in the figure.Spring 25 is nested with on pull bar 24, and two ends contact with the kink of spring perch 26 that is positioned at pull bar 24 afterbodys and pulling-rod frame 27 respectively, and promptly two ends are bearing in respectively on the kink of spring perch 26 and pulling-rod frame 27.Draw-bar guide 29 usefulness bearing pin hub settings are on brake control lever 14, and the two ends of connecting rod 30 are linked by pair of screws and draw-bar guide 29.Be under lotus, storage, the Ferry Status at drum type traction machine of the present invention, because electromagnet 8 is in power failure state, a pair of brake plate 19 of stop mechanism is in and brake wheel 35 obvolvent states.And when overhauling in the use, can drive a pair of brake control lever 14 through connecting rod 30 by operation draw-bar guide 29, and make brake plate 19 obvolvents on the brake control lever 14 on brake wheel 35, realize hand-operated forced braking.When the motor 1 of rotating is worked, traction cylinder 4 shows as to be received rope or puts rope, car shows as and rises or descend, this moment electromagnet 8 be in electricity condition, drive brake control lever 14 by its electromagnet screw 10, make the brake plate 19 on the brake control lever 14 leave brake wheel 35, the spring 25 of this moment is in compressive state, otherwise, as soon as motor 1 quits work, perhaps meet suddenly and have a power failure, electromagnet 8 unexpected dead electricity, electromagnet screw 10 just outwards promotes an end of brake control lever 14, and the other end of brake control lever 14 under the effect of spring 25 to the reversing sense displacement, make the brake plate 19 on the brake control lever 14 paste and, realize braking to brake wheel 35.

With state shown in Figure 1 as can be seen, the present invention shows as vertical installation, is promptly fixed by second, third built-in fitting that installs and fixes in hole and the hoistway 46 (Fig. 2, Fig. 3 show) that installs and fixes on the pin 13,38; If position shown in Figure 1 to 90 ° of Right deviations, is fixed by first, second built-in fitting that installs and fixes in pin 13,16 and the hoistway 46 so.

Ask for an interview Fig. 2, provided hoistway 46 and passenger cage 47, passenger cage 47 links by a pair of traction steel-cable 48 and a pair of traction cylinder 4.Drum type traction machine of the present invention is set at the bottom of hoistway 46, is underneath type and installs.Owing to be that underneath type is installed, no matter therefore be to install, still maintenance in the future, maintenance all are very easily, especially need not ward off machine room in addition, can conserve space, the The Small Well road of villa class was suitable in 460 minutes.Operating principle as for operating principle of the present invention and stop mechanism is mentioned in front, is reached so no longer go to live in the household of one's in-laws on getting married.

Ask for an interview Fig. 3, different with Fig. 2 is, mounting means of the present invention is shown as overhead type install, and overhead type is installed in the future maintenance, maintenance slightly is inferior to underneath type, and has taken segment space, promptly since its be in outside the hoistway 46.The contriver exemplifies this form, and installation also is fine to inhead type to be intended to prove structure of the present invention.

Claims

1. a drum type traction machine is characterized in that it comprises a change speed gear box (23), has extended first, second, third on the casing of this change speed gear box (23) respectively and has installed and fixed pin (13,16,38); One motor cabinet (32) is fixed on the change speed gear box (23); One motor (1) is fixed on the motor cabinet (32), is fixed with a coupler (36) on the motor shaft (37) of motor (1); One brake wheel (35), fix with coupler (36), and with change speed gear box (23) in worm screw (22) connect firmly mutually, worm screw (22) is matched with the worm gear (21) of a pair of main shaft (17) one ends of change speed gear box (23), the other end of main shaft (17) is stretched over outside the change speed gear box (23); A pair of traction cylinder (4) is separately fixed on a pair of main shaft (17); One acts on the stop mechanism of described brake wheel (35) under power failure state, be arranged on the change speed gear box (23), described motor cabinet (32) is fixed on the top corresponding to the worm screw staving (39) of change speed gear box (23) one sides, and the face-to-face both sides of this motor cabinet (32) are formed with a pair of brake plate chamber (40).

2. drum type traction machine according to claim 1, it is characterized in that the described first, second, third rectangular triangle of distributing position that installs and fixes between the pin (13,16,38) distributes, wherein, second install and fix pin (16) can be respectively with the first, the 3rd install and fix pin (13,38) be made into right.

3. drum type traction machine according to claim 1, it is characterized in that described brake wheel (35) is contained in the brake drum cavity (31) of described motor cabinet (32), be provided with the coupler fixed orifice (41) that is used for for connecting firmly with coupler (36) between around its diapire, and central authorities offer the worm screw axis hole (33) that stretches into of top that is used for for worm screw (22), be equipped with an end cap (7) on the worm screw axis hole (33), end cap (7) fixes with the top of worm screw (22).

4. drum type traction machine according to claim 1, the nearly middle part hub setting that it is characterized in that described a pair of main shaft (17) on a pair of main shaft end cap (15) of change speed gear box (23), and a pair of main shaft (17) respectively be equipped with one on the axis body outside the change speed gear box that is stretched over (23) and be used for the key (44) matched with a pair of traction cylinder (4).

5. drum type traction machine according to claim 1 is characterized in that respectively offering on the described a pair of traction cylinder (4) and is used for constituting a keyway (45) on the hole wall of spindle hole (3) for the spindle hole (3) that penetrates of described main shaft (17).

6. according to claim 1 or 4 or 5 described drum type traction machines, it is characterized in that described a pair of main shaft (17) is a word each other and distributes, described a pair of traction cylinder (4) also is a word and distributes.

7. drum type traction machine according to claim 6 is characterized in that a surperficial inclined to one side side of described a pair of traction cylinder (4) has extended steel rope pressing plate (2).

8. drum type traction machine according to claim 1, it is characterized in that described stop mechanism comprises a pair of electromagnet (8), a pair of brake control lever (14), a pair of brake plate (19), one pulling-rod frame (27), a pair of pull bar (24), a pair of spring perch (26), a pair of spring (25) and a pair of draw-bar guide (29) and a connecting rod (30), a pair of electromagnet (8) is installed on the change speed gear box (23), each electromagnet (8) has an energy and gets the electromagnet screw (10) that is pushed out under power failure state by adhesive under the electricity condition at electromagnet (8), this electromagnet screw (10) links with an end of brake control lever (14), brake control lever (14) also with extend in change speed gear box (23) and motor cabinet (32) that both appoint the axle bed of selecting on the one (11) to articulate, brake plate (19) is fixed on the middle part of brake control lever (14), and brake plate chamber (40) corresponding to motor cabinet (32), the front end of the other end of brake control lever (14) and pull bar (24) links, pull bar (24) is located on the pulling-rod frame (27), pulling-rod frame (27) is arranged on worm screw staving (39) and motor cabinet (32), and both appoint and select on the one, a pair of spring perch (26) is fixed on the rear end of corresponding pull bar (24), a pair of spring (25) is set in the nearly middle part of pull bar (24), keep out respectively on spring perch 26 and pulling-rod frame (27) at two ends, a pair of draw-bar guide (29) hub setting is on a pair of brake control lever (14), and the two ends of connecting rod (30) link with a pair of draw-bar guide (29) respectively.

9. drum type traction machine according to claim 8 it is characterized in that watt shape that is shaped as of described a pair of brake plate (19), and both positions is opposed.