CN203173654U - Manual turning gear and elevator comprising same - Google Patents
Manual turning gear and elevator comprising same Download PDFInfo
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- CN203173654U CN203173654U CN 201320177740 CN201320177740U CN203173654U CN 203173654 U CN203173654 U CN 203173654U CN 201320177740 CN201320177740 CN 201320177740 CN 201320177740 U CN201320177740 U CN 201320177740U CN 203173654 U CN203173654 U CN 203173654U
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Abstract
The utility model relates to a manual turning gear (100) which comprises a handwheel (1), a worm (2), a worm gear (3) and a bracket (4) and is characterized in that the worm gear (3) is arranged in the bracket (4); the manual turning gear (100) also comprises at least one transmission pillar (5) and at least one corresponding transmission hole (51); each transmission pillar (5) is connected with the worm gear (3); the transmission holes (51) are correspondingly arranged on rotating wheels (300) to be driven by the manual turning gear (100); and by inserting the transmission pillars (5) into the corresponding transmission holes (51) and fixing the bracket (4) on a rack (200), the manual turning gear (100) can drive the rotating wheels to rotate. The manual turning gear has a simple structure and low cost, is detachable, has a self-locking function and can implement a large torque. Moreover, the utility model also relates to an elevator which comprises the manual turning gear.
Description
Technical field
The utility model relates to the driver train (B66B 11/04) of elevator, the particularly hand turning gear of elevator.The utility model also relates to the elevator that comprises described hand turning gear.
Background technology
Because have a power failure or fault when being trapped in the passenger in the elevator, if car can't not emitted stranded passenger by opening layer door at level position, just need rotate traction sheave by additive method elevator is moved to level position this moment, emits the passenger when elevator.Wherein a kind of method namely is to rotate traction sheave by turning gear, manually realizes the elevator operation.
Requirement to hand turning gear in the elevator standard is that required operating effort is not more than 400N, when load-carrying becomes big, jiggering action required power also becomes big, when operating effort during greater than 400N, allow to use the electrically-operated arrangement of urgent electric operation in the standard, but when electric apparatus can't use under power-off condition, hand turning gear is a kind of method of failure-free still, therefore was necessary to design a kind of manual turning gear of realizing big torque.
The gearless machine of selling on the current market, its barring mechanism is at brake wheel or traction sheave a large gear ring to be installed, match with it with a miniature gears again, by handwheel or the moving pinion rotation of reserve power dish, remove to drive traction sheave by large gear ring again and rotate realization, jiggering is overcome difficulties, but in the jiggering process, to decontrol the drg of band-type brake mechanism, in order to prevent rushing to summit or squatting the end of elevator, must control drg at any time, can allow drg work to realize that band-type brake prevents rushing to summit or squatting at the end of elevator when accident occurring at any time, this has just strengthened greatly and has controlled difficulty, or is to have potential safety hazard, be that safety misadventure takes place, and a toothed large gear ring directly exposes with traction sheave and rotates, and hurts sb.'s feelings easily, and is very dangerous.
The open worm and gear gear wheel shaft of patent documentation CN102536359A is to the throw-in type turning gear, it relates to a kind of turning gear for the normal operation of turbine driven set, adopt chain, worm and gear, the compound deceleration turning gear of gear to solve existing rolling gear of turbine, gear pair is many, retarding stage is many, complex structure, the problem that occupation space is big.One end of worm shaft is connected with barring motor, the other end is connected with handwheel, worm tooth and worm gear engagement, driving gear cooperates installation with right-hand screw thread on the worm-wheel shaft, two rollers 7 are symmetricly set in the annular groove with the vertical line of centers of driving gear, each roller is connected with the lower end of pull bar by a pin, the upper end of pull bar is installed on the pull rod shaft, pull rod shaft and worm shaft be arranged in parallel, one end of crank throw is installed on the pull rod shaft, the other end pushes up mutually with piston rod, plunger shaft is communicated with by the cavity of pipeline with servomotor guiding valve inside, hand lever is installed on the pull rod shaft, and lug withstands on the spring housing.The utility model is used for the jiggering of turbine driven set.The disclosed turning gear of this patent documentation is electronic.
Patent documentation CN2892785 discloses a kind of permanent magnetism gearless elevator drag machine with Worm-gear type barring mechanism, it comprises motor, traction sheave with the motor rotor shaft interlock, the rotor brake that has brake control lever, handwheel, it is characterized in that on barring mechanism, also being provided with a Worm and worm-wheel gearing, the worm gear of this worm-and-wheel gear can be installed in the machine shaft external part of towing machine or be installed on the traction sheave that links with rotating shaft, with worm gear engaged worm movable set on two endless screw supports, two endless screw supports are fixed on the relevant position of front end cover of traction sheave.Principle of work of the present utility model and to control process as follows: the handwheel that is rotatably connected on the worm screw drives worm screw, worm screw and the worm gear engagement that is locked on the towing machine machine shaft, the worm screw worm gear that whenever turns around rotates a tooth, very laborsaving just can be with manually with lift car dish suitable perch extremely.Therefore because the worm and gear transmission has auto-lock function, when the elevator jiggering, can not cause rushing to summit or squatting the end of lift car because of other mechanical reason.The disclosed turning gear of this patent documentation is only applicable to permanent magnetism gearless elevator drag machine.
Patent documentation CN2546160 discloses a kind of section/bar machine, and it comprises frame, electrical motor and transmission device, it is characterized in that also comprising: be located at the groove that feeds intake above the described frame; Be subjected to the rotating disk that described drive motor drives and be fixed on axle tube device on the frame; Be located at annular knife rest and blade thereof on the rotating disk; Annular knife rest and blade thereof are located on the frame of groove discharging opening one end that feeds intake.The electrical motor of this section/bar machine drives rotating disk and annular knife rest and blade rotation is installed above it by drive motor, when the material of melon and fruit class from the groove entrance that feeds intake during to discharging opening, the blade cuts that is rotated in flakes/strip, specifically being cut into sheet still is that strip is relevant with used blade.Like this, and compare with hand-held knife cutting, replaced manpower with mechanical power, it is efficient rapidly to work together, thereby achieves the goal.Be applicable to the processing of melon and fruit class section/bar.It is electronic that the disclosed drive motor of this patent documentation drives.
Therefore, low, the detouchable of the simple cost of project organization, to have hand turning gear auto-lock function, that can realize big torque still be the target that those skilled in the art pursue.
The utility model content
For this reason, the purpose of this utility model is to propose that cost simple in structure is low, detouchable, has hand turning gear auto-lock function, that can realize big torque.
Therefore, the utility model proposes hand turning gear, it comprises handwheel, worm screw, worm gear and support, wherein, described worm screw is installed in the described support, and described handwheel is fixedly mounted on the described worm screw, and, by the described handwheel of hand rotation, can drive described worm screw and rotate, and then described worm screw can drive described worm gear rotation;
It is characterized in that:
Described worm gear is installed in the described support;
Described hand turning gear comprises that also at least one takes off post and corresponding at least one driving hole;
Described taking off post links to each other with described worm gear, and described taking off post arranged around the central axis ground of described worm gear and by the direction that is parallel to described central axis;
Described driving hole is corresponding to be arranged on the runner that described hand turning gear will drive, wherein, described driving hole is arranged around the rotation axis ground of described runner and by the direction that is parallel to described rotation axis, and the central axis of described worm gear overlaps with the rotation axis of described runner;
, and described support is fixed on the frame described hand turning gear thereby can drive described runner and rotate by described taking off post inserted in the corresponding driving hole.
Described hand turning gear has that cost simple in structure is low, detouchable, have useful technique effect auto-lock function, that can realize big torque.
The utility model also proposes to comprise the elevator of hand turning gear as herein described.
Description of drawings
With reference to accompanying drawing, the description of feature of the present utility model, advantage and the characteristic specific embodiment by hereinafter is able to better understanding, in the accompanying drawing:
Fig. 1: the front view of hand turning gear of the present utility model;
Fig. 2: another view of hand turning gear of the present utility model;
Fig. 3: the front view of the worm gear of hand turning gear of the present utility model;
Fig. 4: the lateral plan of the worm gear of hand turning gear of the present utility model;
Fig. 5: hand turning gear 100 of the present utility model is installed in the view on the traction sheave of elevator.
In the drawings, same or similar elements is used same figure notation, and different elements uses different figure notations, wherein:
The specific embodiment
With reference to accompanying drawing 1-5, in this main embodiment of the present utility model is described in detail.
As shown in Figure 1, hand turning gear 100 of the present utility model comprises handwheel 1, worm screw 2, worm gear 3 and support 4, wherein, described worm screw 2 is installed in the described support 4, described handwheel 1 is fixedly mounted on the described worm screw 2, and, by the described handwheel 1 of hand rotation, can drive described worm screw 2 and rotate, and then described worm screw 2 can drive described worm gear 3 rotations.
With prior art particularly the key distinction of the disclosed technical scheme of patent documentation CN2892785 be:
In the utility model, described worm gear 3 is installed in the described support 4; And in patent documentation CN2892785, worm gear is directly installed on the machine shaft external part of towing machine or is installed on the traction sheave that links with machine shaft.In the utility model, the driving device entire arrangement that worm gear 3 and worm screw 2 are formed in described support 4, the installation or removal integrally of described hand turning gear 100.Shown in Fig. 2 and 5, described hand turning gear 100 is installed to the end of the rotating shaft 310 of traction sheave 300 by center bolt 6 and bolt of rear end plate 7.
In the utility model, described hand turning gear 100 comprises that also at least one takes off post 5 and corresponding at least one driving hole 51; And in patent documentation CN2892785, do not have or do not need to take off post and driving hole.
Further, in the utility model, as illustrated in fig. 1 and 2, described taking off post 5 links to each other with described worm gear 3, and described taking off post 5 arranged around central axis 32 ground of described worm gear 3 and by the direction that is parallel to described central axis 32.Be understandable that, if take off post 5 with described central axis 32 at a distance of a distance of determining, only one takes off post and also the rotational motion of hand turning gear 100 can be passed to runner.As an example, in elevator applications, described runner is exactly traction sheave.Be understandable that described hand turning gear 100 also can be used for turbine driven set, high-altitude cable car or other machinery, like this, described runner is different because of different application.
The size of the described diameter that takes off post, with central axis 32 apart distance size and the quantity that takes off post can calculate to set by engineering mechanics according to the specification of elevator and the moment size that will transmit, those skilled in the art can suitably finish according to description of the present utility model.
Correspondingly, as shown in Figure 5, described driving hole 51 is arranged on the runner 300 that described hand turning gear 100 will drive, wherein, described driving hole 51 is arranged around rotation axis 320 ground of described runner and by the direction that is parallel to described rotation axis, and the central axis 32 of described worm gear 3 overlaps with the rotation axis 320 of described runner 300.Driving hole equates preferably that with the quantity that takes off post certainly, the quantity of driving hole also allows more than the quantity that takes off post.Driving hole it may occur to persons skilled in the art that with the position corresponding relation that takes off post, the central axis 32 that guarantees described worm gear 3 overlaps with the rotation axis 320 of described runner 300, and described driving hole should be distributed on the circumference of same diameter with the preferential choosing ground that takes off post.
The installation of described hand turning gear 100 and use very simple and convenient: in the corresponding driving hole 51 of 5 insertions that will describedly take off post, and described support 4 is fixed on the frame 200 described hand turning gear 100 thereby can drive described runner and rotate.Here, described frame generally is the stationary parts of machinery, as an example, wants in elevator applications, and it is suitable that described hand turning gear 100 is fixed together with tractor stand 200.Certainly, in other was used, described hand turning gear 100 can be fixed together with the frame of corresponding machine.
It will be appreciated by those skilled in the art that, technological know-hows such as the structure of each parts of described hand turning gear 100, position relation, movement relation, energy relationship, mechanical relationship are not described in detail in the utility model, disclosed relevant art knowledge among patent documentation CN 102 536359A that can quote with reference to this paper, CN2892785, the CN2546160, therefore, the technology contents of described patent documentation also constitutes the part of present patent application file, here no longer repeats.Further, the technological know-how about elevator and related components thereof can no longer describe in detail here with reference to the disclosed patent documentation in elevator technology field [B66B 11/04].
According to preferred implementation of the present utility model, described at least one to take off post 5 be two, three or four, it is positioned on first end face 33 of described worm gear 3, and to be evenly distributed in the point on the described central axis 32 be on first circumference in the center of circle; Correspondingly, described at least one driving hole 51 is two, three or four, and it is positioned in rotating shaft 310 first ends of described runner 300, and to be evenly distributed in the point on the described rotation axis 32 be on second circumference in the center of circle; The radius of described first circumference equals the radius of described second circumference.Take off post and 5 be arranged on first end face 33 of described worm gear 3 and make transmission of power the simplest, and because the diameter of worm gear is generally bigger with respect to the diameter of worm screw, it is bigger that the diameter of the rotating shaft of worm gear also can corresponding selection, the layout that takes off post thereby bigger degree of freedom is arranged.Take off post and also can be arranged on the circumference of different-diameter.Under the less situation of the diameter of the rotating shaft of worm gear, taking off post can be arranged on the bigger disk body of diameter, and described disk body is installed on the end of rotating shaft of described worm gear 3.
Preferably, described taking off post 5 is pins, and described pin is installed on the described worm gear 3 by the mode of interference fit, and described taking off post 5 forms free-running fits with corresponding driving hole 51.Certainly, described pin also can be installed in by the mode of free-running fit on the described worm gear 3, so just can change the pin of different-diameter according to the moment size that will transmit.Therefore, the circumference of different-diameter that can be on the end face of the rotating shaft of described worm gear 3 is arranged the circular hole of different-diameter size, so as the plant different-diameter take off post 5.Driving hole is also made corresponding layout.5 the cross-sectional plane of taking off post also can be non-circular, for example equilateral polygon, ellipse etc.
According to another specific embodiment of the present utility model, described worm gear 3 has centre hole 31, center bolt 6 can pass described centre hole 31, cooperates with the tapped bore of the first end of the rotating shaft 310 of described runner 300, and described hand turning gear 100 is connected on the described runner 300.Such configuration guarantees that described hand turning gear 100 more firmly is installed on the described towing machine, and only uses one to take off post and 5 also be fine.
According to another preferred implementation of the present utility model, described support 4 has first support plate 9 and second support plate 10, wherein, described worm gear 3 is positioned between described first support plate 9 and described second support plate 10, and described worm gear 3 is bearing in respectively in described first support plate 9 and described second support plate 10 by the axle journal of both sides.This configuration of support makes that described hand turning gear 100 is very compact, and the worm gear-endless screw driving device can be placed between described first support plate 9 and described second support plate 10, has guaranteed that whole hand turning gear 100 is easy to loading and unloading.Certainly, described support also can be the form of two " half housings ", the worm gear-endless screw driving device can be installed in wherein hermetically like this.And described support also can be two forms of case lid-casing.
Advantageously, described support 4 also comprises bearing 8, wherein, described bearing 8 is between described first support plate 9 and described second support plate 10, and described worm screw 2 is positioned in the described bearing 8, thereby described worm screw 2 and described worm gear 3 form driving device in described support.Since described worm screw 2 vertical mutually with central axis described worm gear 3, a bearing 8 therefore between two support plates 8,9, settled, realize the layout of such axis normal easily.Be understandable that, also can support worm screw by the vertical branch that described first support plate 9 and described second support plate 10 stretch out.Perhaps support worm screw by suspension bracket.
Advantageously, described handwheel 1 by bolt be installed in the first end 21 of described worm screw 2.The center of described handwheel 1 can have the aperture of equilateral polygon, and the first end 21 of described worm screw 2 has the shaft end that cross-sectional plane is the equilateral polygon of complementation, and their cooperation guarantees to rotate handwheel 1 can rotate described worm screw 2.
Advantageously, described support 4 also has at least one second eyelet 12, and wherein, bolt of rear end plate 7 can pass described second eyelet 12 described hand turning gear 100 is fixed on the described frame 200.
Advantageously, have first eyelet 11 at described first support plate 9 and described second support plate 10, wherein, bolt can pass described first eyelet 11 described bearing 8 and described first support plate 9 and described second support plate 10 are fixed together.
Hand turning gear of the present utility model is mainly used in elevator, and wherein, described runner is traction sheave 300, and described frame is tractor stand 200; By with in the described 5 corresponding driving holes 51 that insert in the described traction sheave 300 that take off post, described center bolt 6 is passed in the tapped bore of first end of rotating shaft 310 that described centre hole 31 is screwed into described runner 300, and by bolt of rear end plate 7 described support 4 is fixed on the tractor stand 200 described hand turning gear 100 thereby can drive described traction sheave 300 and rotate.
With reference to the specific embodiment shown in Fig. 1-5, described hand turning gear using method is as follows:
The described handwheel 1 of hand rotation, in 35 corresponding driving holes of aiming on the traction sheave center that take off post, middle overbolt 6 is connected with traction sheave 300 supercentral tapped bore, and 2 lag bolts 7 are connected with tractor stand 200 superolateral 2 tapped bore, tighten above 3 bolts.Unclamp band-type brake, rotate the rotation that described handwheel 1 can be realized traction sheave 300, elevator is moved to nearest floor emit stranded passenger.
This turning gear adopts increases driving device---and as worm and gear, add the structure of big speed ratio, the bigger output torque of jiggering power generation with less reduces to rescue difficulty.Moreover former turning gear needs the rescue group to continue to apply the slow operation that power could guarantee car at handwheel after unclamping band-type brake, and both having required great effort also exists certain danger.After loading onto this turning gear, because the characteristic of worm and gear self-locking, even unclamp band-type brake, traction sheave can not rotate voluntarily yet under the situation of not rotating handwheel, thereby guarantees the safety of rescue.
More than describe preferred specific embodiment of the present utility model in detail.Should be appreciated that those of ordinary skill in the art need not creative work and just can make many modifications and variations according to design concept of the present utility model.Therefore; all technical personnels are in the art complied with design concept of the present utility model on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment, all should be within scope of the present utility model and/or by in the determined protection domain of claims.
Claims (10)
1. hand turning gear (100), it comprises handwheel (1), worm screw (2), worm gear (3) and support (4), wherein, described worm screw (2) is installed in the described support (4), described handwheel (1) is fixedly mounted on the described worm screw (2), and, by the described handwheel of hand rotation (1), can drive described worm screw (2) and rotate, and then described worm screw (2) can drive described worm gear (3) rotation;
It is characterized in that:
Described worm gear (3) is installed in the described support (4);
Described hand turning gear (100) comprises that also at least one takes off post (5) and corresponding at least one driving hole (51);
Described taking off post (5) links to each other with described worm gear (3), and described taking off post (5) arranged around the central axis of described worm gear (3) (32) and by the direction that is parallel to described central axis (32);
Described driving hole (51) is corresponding to be arranged on the runner (300) that described hand turning gear (100) will drive, wherein, described driving hole (51) is arranged around the rotation axis of described runner (320) and by the direction that is parallel to described rotation axis, and the central axis (32) of described worm gear (3) overlaps with the rotation axis (320) of described runner (300);
, and described support (4) is fixed on the frame (200) described hand turning gear (100) thereby can drive described runner and rotate by described taking off post (5) inserted in the corresponding driving hole (51).
2. according to the described hand turning gear of claim 1 (100), it is characterized in that, described at least one take off post (5) are two, three or four, it is positioned on first end face (33) of described worm gear (3), and to be evenly distributed in the point on the described central axis (32) be on first circumference in the center of circle; Correspondingly, described at least one driving hole (51) is two, three or four, and it is positioned in rotating shaft (310) first end of described runner (300), and to be evenly distributed in the point on the described rotation axis (32) be on second circumference in the center of circle; The radius of described first circumference equals the radius of described second circumference.
3. according to the described hand turning gear of claim 1 (100), it is characterized in that described taking off post (5) is pin, described pin is installed on the described worm gear (3) by the mode of interference fit, and described taking off post (5) forms free-running fit with corresponding driving hole (51).
4. according to the described hand turning gear of claim 1 (100), it is characterized in that, described worm gear (3) has centre hole (31), center bolt (6) can pass described centre hole (31), cooperate with the tapped bore of the first end of the rotating shaft (310) of described runner (300), described hand turning gear (100) is connected on the described runner (300).
5. according to the described hand turning gear of claim 1 (100), it is characterized in that, described support (4) has first support plate (9) and second support plate (10), wherein, described worm gear (3) is positioned between described first support plate (9) and described second support plate (10), and described worm gear (3) is bearing in respectively in described first support plate (9) and described second support plate (10) by the axle journal of both sides.
6. according to the described hand turning gear of claim 5 (100), it is characterized in that, described support (4) also comprises bearing (8), wherein, described bearing (8) is positioned between described first support plate (9) and described second support plate (10), and described worm screw (2) is positioned in the described bearing (8), thereby described worm screw (2) and described worm gear (3) form driving device in described support.
7. require each described hand turning gear (100) in 1 to 6 according to aforesaid right, it is characterized in that: described handwheel (1) by bolt be installed in the first end (21) of described worm screw (2).
8. require each described hand turning gear (100) in 1 to 6 according to aforesaid right, it is characterized in that: described support (4) also has at least one second eyelet (12), wherein, bolt of rear end plate (7) can pass described second eyelet (12) described hand turning gear (100) is fixed on the described frame (200).
9. according to the described hand turning gear of claim 6 (100), it is characterized in that: have first eyelet (11) at described first support plate (9) and described second support plate (10), wherein, bolt can pass described first eyelet (11) described bearing (8) and described first support plate (9) and described second support plate (10) are fixed together.
10. elevator is characterized in that, described elevator comprises that according to each described hand turning gear (100) in the aforesaid right requirement 1 to 9, wherein, described runner is traction sheave (300), and described frame is tractor stand (200); By described taking off post (5) being inserted in the corresponding driving hole (51) in the described traction sheave (300), described center bolt (6) is passed in the tapped bore of first end of rotating shaft (310) that described centre hole (31) is screwed into described runner (300), and by bolt of rear end plate (7) described support (4) is fixed on the tractor stand (200) described hand turning gear (100) thereby can drive described traction sheave (300) and rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320177740 CN203173654U (en) | 2013-01-22 | 2013-04-10 | Manual turning gear and elevator comprising same |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320036960.4 | 2013-01-22 | ||
| CN201320036960 | 2013-01-22 | ||
| CN 201320177740 CN203173654U (en) | 2013-01-22 | 2013-04-10 | Manual turning gear and elevator comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203173654U true CN203173654U (en) | 2013-09-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320177740 Withdrawn - After Issue CN203173654U (en) | 2013-01-22 | 2013-04-10 | Manual turning gear and elevator comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203173654U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103935870A (en) * | 2013-01-22 | 2014-07-23 | 江南嘉捷电梯股份有限公司 | Hand-barring device and elevator comprising same |
-
2013
- 2013-04-10 CN CN 201320177740 patent/CN203173654U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103935870A (en) * | 2013-01-22 | 2014-07-23 | 江南嘉捷电梯股份有限公司 | Hand-barring device and elevator comprising same |
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Granted publication date: 20130904 Effective date of abandoning: 20160420 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |