CN202030469U - Hand cranking capstan - Google Patents
Hand cranking capstan Download PDFInfo
- Publication number
- CN202030469U CN202030469U CN2011200698123U CN201120069812U CN202030469U CN 202030469 U CN202030469 U CN 202030469U CN 2011200698123 U CN2011200698123 U CN 2011200698123U CN 201120069812 U CN201120069812 U CN 201120069812U CN 202030469 U CN202030469 U CN 202030469U
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- CN
- China
- Prior art keywords
- axle
- strand mill
- connecting rod
- shaft
- capstan
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The invention discloses a hand cranking capstan, which comprises a hand cranking capstan main body and a rocker matched with the hand cranking capstan main body. The hand cranking capstan main body comprises a capstan frame; a small gear shaft and a middle gear shaft are arranged on the two ends of the capstan frame in parallel; a capstan mandrel is arranged on the capstan frame above the middle gear shaft; a big gear and a capstan core are arranged on a shaft taking the capstan mandrel as the center; a second small gear and a middle gear are arranged on the two ends of a shaft taking the middle gear shaft as the center; a first small gear is arranged on a shaft taking the small gear shaft as the center; the big gear and the second small gear are mutually engaged; the middle gear and the first small gear are mutually engaged; and a multi-connecting bar mechanism used for providing a reverse resistance when the capstan is reeling off is also arranged on the hand cranking capstan main body. The reverse resistance when the capstan is reeling off is provided by using the simple connecting bars to operate separating friction plates to hold friction wheels, the power saving effect of reducing manpower input is achieved.
Description
Technical field
The utility model relates to a kind of hand strand mill.
Background technology
The design plan of similar hand strand mill has satisfied the laborsaving effect of lifting when operation substantially; but in contrary operation, still exist some problems; the safety finger is wanted pull-up when reverse; break away from safety wheel fully and just can put the rop exercise work; and this moment because there has not been the protective effect of safe ratchet, the operation that guarantees to put rope by the increase manpower substantially during contrary operation in actual use, safety is relatively poor; and it is very low to put rope efficient, has had a strong impact on the work efficiency of maintenance.
The utility model content
The purpose of this utility model is to overcome the technical matters that prior art exists, proposition is to the reverse laborsaving functional requirement of laborsaving hand strand mill, mainly the scheme discuss design is carried out in this requirement, because during the reverse work of strand mill, requiring the input and the strand mill external load of manpower is in the same way, so consider to reduce the input of manpower, provide an additional friction resistance to contrary operation, reach a kind of hand strand mill structure that the labour-saving requires.
For realizing above purpose, the utility model has been taked following technical scheme: hand strand mill, include hand strand mill main body and the rocking arm supporting with it, described hand strand mill main body comprises strand mill frame, this strand mill frame is provided with pinion shaft, middle gear axle on two ends side by side, above the middle gear axle, be provided with the core grinding axle on the strand mill frame; With the core grinding axle is that center shaft is provided with big gear wheel and core grinding, with the middle gear axle is that the two ends of center shaft are provided with second miniature gears and middle gear, with the pinion shaft is that center shaft is provided with first miniature gears, and the described big gear wheel and second miniature gears are meshing with each other, and the middle gear and first miniature gears are meshing with each other; On described hand strand mill main body, also be provided with and be used to be provided at the multi-connecting-rod mechanism that the strand mill is put the reverse resistance when restricting.
Described rocking arm comprises arm, and arm one end connects handle, and the other end is provided with the coupling end that can install respectively on the axle head that is connected core grinding axle or middle gear axle or pinion shaft.
Described pinion shaft is provided with clutch shaft bearing and is connected with strand mill frame, and described middle gear axle is provided with that second bearing and strand grind that frame is connected, described core grinding axle is provided with third axle and holds with twisting and grind frame and be connected.
On strand mill frame, the both sides of pinion shaft are respectively equipped with the first brake connecting rod installation shaft and the second brake connecting rod installation shaft; Described multi-connecting-rod mechanism comprise respectively with the first brake connecting rod installation shaft bonded assembly, second brake connecting rod, with the second brake connecting rod installation shaft bonded assembly, first brake connecting rod, be connected with brake-applying handle on the described first brake connecting rod other end, be connected with the braking pipe link on the second brake connecting rod other end, the braking pipe link other end is connected with the brake-applying handle bottom; And with the friction wheel axle of the coaxial setting of pinion shaft, be arranged with friction wheel in the described friction wheel axle outside, be provided with friction lining with the cooresponding position of friction wheel on described first brake connecting rod, second brake connecting rod, described friction lining obvolvent is in the outside of friction wheel.
The utility model compared with prior art, has following advantage: because during the reverse work of strand mill, requiring the input and the strand mill external load of manpower is in the same way, so consider to reduce the input of manpower, provide an additional friction resistance to contrary operation, reach the labour-saving requirement, so adopt many link mechanisms, utilizing simple connecting rod operation separation type friction lining to carry out the obvolvent friction wheel provides strand to grind the reverse resistance of putting when restricting, thereby reaches the labor-saving effect that reduces the manpower input.
The installation of novel hand strand mill is simple, easy to carry, rope interts advantages such as convenience, rapid operation, improved work efficiency greatly, this novel strand mill makes full use of transmission device and many connecting rods operating mechanism, improvement by pair twist mill effort-saving mechanism, reach the labour-saving purpose, reduce hand strand mill labor intensity of operating personnel.Specifically by the optimal combination of gear, the reasonable prolongation of moment rocking handle, the reasonable improvement of surface structure, thereby improved the work efficiency of hand strand mill in every application.Compare the safety factor height of traditional hand strand mill simultaneously at secure context.Labor-saving, portability, commonality, the safety of novel hand strand mill have really been embodied.
Description of drawings
Fig. 1 is the hand strand mill of a utility model agent structure scheme drawing;
Fig. 2 is the utility model rocker structure scheme drawing;
Fig. 3 is the utility model multi-connecting-rod mechanism front view;
Fig. 4 is hand strand mill main body of the utility model and multi-connecting-rod mechanism assembling scheme drawing;
Description of reference numerals: 1-core grinding, 2-core grinding axle, 3-middle gear axle, the 4-pinion shaft, 5-first miniature gears, the 6-middle gear, the 7-clutch shaft bearing, 8-second bearing, 9-second miniature gears, the 10-third axle holds, the 11-big gear wheel, 20-strand mill frame, the hand strand mill of 30-main body, the 40-rocking arm, the 401-arm, 402-handle, 403-coupling end, the 50-multi-connecting-rod mechanism, the 51-first brake connecting rod installation shaft, the 52-second brake connecting rod installation shaft, 53-first brake connecting rod, the 54-friction lining, 55-friction wheel installation shaft, the 56-brake-applying handle, 57-brakes pipe link, 58-second brake connecting rod, the 59-friction wheel.
The specific embodiment
Below in conjunction with the drawings and specific embodiments content of the present utility model is described in further details.
Embodiment:
See also Fig. 1, Fig. 3 and shown in Figure 4, hand strand mill, include hand strand mill main body 30 and the Rocker arm 40 supporting with it, hand strand mill main body comprises strand mill frame 20, this strand mill frame is provided with pinion shaft 4, middle gear axle 3 on 20 two ends side by side, above the middle gear axle 3, be provided with core grinding axle 2 on the strand mill frame 20; With core grinding axle 2 is that center shaft is provided with big gear wheel 11 and core grinding 1, with middle gear axle 3 is that the two ends of center shaft are provided with second miniature gears 9 and middle gear 6, with pinion shaft 4 is that center shaft is provided with first miniature gears 5, the big gear wheel 11 and second miniature gears 9 are meshing with each other, and the middle gear 6 and first miniature gears 5 are meshing with each other; On hand strand mill main body 30, also be provided with and be used to be provided at the multi-connecting-rod mechanism 50 that the strand mill is put the reverse resistance when restricting.
See also shown in Figure 2ly, Rocker arm 40 comprises arm 401, and arm 401 1 ends connect handle 402, and the other end is provided with the coupling end 403 that can install respectively on the axle head that is connected core grinding axle 2 or middle gear axle 3 or pinion shaft 4.
On strand mill frame 20, the both sides of pinion shaft 4 are respectively equipped with the first brake connecting rod installation shaft 51 and the second brake connecting rod installation shaft 52; Multi-connecting-rod mechanism 50 comprise respectively with the first brake connecting rod installation shaft, 51 bonded assemblys, second brake connecting rod 58, with the second brake connecting rod installation shaft, 52 bonded assemblys, first brake connecting rod 53, be connected with brake-applying handle 56 on first brake connecting rod, 53 other ends, be connected with braking pipe link 57 on second brake connecting rod, 58 other ends, braking pipe link 57 other ends are connected with brake-applying handle 56 bottoms; And with the friction wheel axle 55 of pinion shaft 4 coaxial settings, be arranged with friction wheel 59 in friction wheel axle 55 outsides, be arranged with friction wheel 59 in pinion shaft 4 outsides, be provided with brake scotch 54 with friction wheel 59 cooresponding positions on first brake connecting rod 53, second brake connecting rod 58, friction lining 54 obvolvents are in the outside of friction wheel 59.
Rocker arm 40 can be selected to install respectively three working shafts and operates in operation, is installed in core grinding axle 2 and comparatively requires great effort, and very fast relatively but core grinding 1 rotates, it is the most laborsaving to be installed in pinion shaft 4, and is slower but core grinding 1 rotates.
1, Cable Power Computation
The design peak load of hand strand mill is 10KN, according to the installation position of Rocker arm 40 the power input is divided into three operating modes,
Operating mode 1: Rocker arm 40 is installed on the core grinding axle 2,
Operating mode 2: Rocker arm 40 is installed on the middle gear axle 3,
Operating mode 3: Rocker arm 40 is installed on the pinion shaft 4.
Design maximum load W
0Force diagram under the=10KN situation and stressed critical size are as follows:
Each gear mesh reference diameter is respectively: core grinding 1 diameter d
0=65mm, big gear wheel 11 numbers of teeth are Z
1=62, diameter is d
1=248mm, second miniature gears, 9 numbers of teeth are Z
2=13, diameter d
2=52mm, middle gear 6 numbers of teeth are Z
3=25, diameter d
3=100mm, first miniature gears, 5 tooth number Z
4=13, diameter d
4=52mm.
Will consider the transmission efficiency of gear pair and bearing in power transmission process, look into mechanical design handbook as can be known, the efficient of open Arrangement of Cylindric Gears is generally η
1=0.94～0.96, the driving efficiency of antifriction-bearing box generally is taken as η
2=0.98～0.995.
Known each stage gear ratio is: big gear wheel 11 and second miniature gears, 9 transmitting ratios are
Middle gear 6 and first miniature gears, 5 transmitting ratios are
Overall gear ratio is i=i
1i
2=1: 9.1716.
The torque M of design maximum load action on the core grinding axle as can be known
1For:
M
1＝W
0·(d
0+l
t)＝10KN×(65+5)mm＝10
4N×7×10
-2M＝700N·m
L in the formula
tThe adjustment length of the arm of force when considering that rope is wrapped on the core grinding is taken as l at this
t=5mm.
Operating mode 1: rocking arm is installed on the core grinding axle
For hauling fast, earlier rocking arm is installed on the core grinding axle during operation, suppose that this moment, strand was ground the effect that is subjected to the design maximum load, then the required external force that applies is F on the rocking arm
S1, by moment-equilibrium equation: F
S1L η
2=M
1As can be known:
F
s1＝M
1/lη
2＝700N·m/(0.4m×0.98)＝1822N
η in the following formula
2For considering the efficiency value of a pair of antifriction-bearing box.Need on rocking arm, apply F this moment as can be known
S1The external force of=1822N could guarantee operation.
Operating mode 2: rocking arm is installed on the middle gear axle
When rocking arm was installed on the middle gear axle, peak load was delivered on the middle gear axle by the engagement of big gear wheel and miniature gears two, and then the required external force that applies is F on the rocking arm
S2Big gear wheel and miniature gears two transmitting ratios are
Torque M on the middle gear axle as can be known
2For:
Get following formula:
η in the following formula
1, η
2Be respectively and consider a gear pair and two pairs of efficiency values antifriction-bearing box.
Again by moment-equilibrium equation: F
S2L=M
2:
F
s2＝M
2/l＝160.87N·m/0.4m＝402.175N
Need on rocking arm, apply F this moment as can be known
S2The external force of=402.175N could guarantee operation.
Operating mode 3: rocking arm is installed on the pinion shaft
When rocking arm was installed on the pinion shaft, peak load was delivered on the pinion shaft by the engagement of middle gear and miniature gears one, and then the required external force that applies is F on the rocking arm
S3Middle gear and miniature gears one transmitting ratio are
Torque M on the pinion shaft as can be known
3For:
Get following formula:
η in the following formula
1, η
2Be respectively and consider a gear pair and two pairs of efficiency values antifriction-bearing box.Again by moment-equilibrium equation: F
S3L=M
3:
F
s3＝M
3/l＝91.686N·m/0.4m＝229.215N
Need on rocking arm, apply F this moment as can be known
S3The external force of=229.215N could guarantee operation.
Each operating mode gathers
By above calculating as can be known, when lifting design maximum load 10KN, the manpower input condensed table that need apply on rocking arm is as shown in table 1 below:
Table 1 input force condensed table
| Respective shaft moment (Mpa) | Input force (N) | |
| Operating mode one | 700 | 1822 |
| Operating mode two | 160.87 | 402.175 |
| Operating mode three | 91.686 | 229.215 |
Multi-connecting-rod mechanism is analyzed:
1. the multi-connecting-rod mechanism operant response is fast, and brake-applying handle presses down that stroke is less can to provide bigger thrust to make friction lining hold friction wheel tightly;
2. two friction lining symmetrical expressions are arranged, the friction stressing conditions is even, are convenient to guarantee friction lining service life;
3. multi-connecting-rod mechanism effective force arm lengths is bigger, and the arm of force can linear superposition, thereby has reduced the operating effort of braking;
4. the multi-connecting-rod mechanism coupled condition shows complicated slightly, and particularly the intensity of the junction and the main arm of force is wanted strict guarantee, and selection materials Consideration is more;
Non-line contacts when 5. compressing with friction wheel for the assurance friction lining, and it is high that friction lining point of connection place degree of freedom precision is wanted.
Above-listed detailed description is at the specifying of the utility model possible embodiments, and this embodiment is not in order to limiting claim of the present utility model, does not allly break away from the equivalence that the utility model does and implements or change, all should be contained in the claim of this case.
Claims (4)
1. hand strand mill, include hand strand mill main body (30) and the rocking arm (40) supporting with it, it is characterized in that: described hand strand mill main body comprises strand mill frame (20), be provided with pinion shaft (4), middle gear axle (3) side by side on these strand mill frame (20) two ends, on middle gear axle (3) top, strand mill frame (20), be provided with core grinding axle (2); With core grinding axle (2) is that center shaft is provided with big gear wheel (11) and core grinding (1), with middle gear axle (3) is that the two ends of center shaft are provided with second miniature gears (9) and middle gear (6), with pinion shaft (4) is that center shaft is provided with first miniature gears (5), described big gear wheel (11) and second miniature gears (9) are meshing with each other, and middle gear (6) and first miniature gears (5) are meshing with each other; On described hand strand mill main body (30), also be provided with and be used to be provided at the multi-connecting-rod mechanism (50) that the strand mill is put the reverse resistance when restricting.
2. hand strand mill as claimed in claim 1, it is characterized in that: described rocking arm (40) comprises arm (401), arm (401) one ends connect handle (402), and the other end is provided with the coupling end (403) that can install respectively on the axle head that is connected core grinding axle (2) or middle gear axle (3) or pinion shaft (4).
3. hand strand mill as claimed in claim 1, it is characterized in that: described pinion shaft (4) is provided with clutch shaft bearing (7) and is connected with strand mill frame (20), described middle gear axle (3) is provided with second bearing (8) and is connected with strand mill frame (20), and described core grinding axle (2) is provided with third axle and holds (10) and grind frame (20) and be connected with twisting.
4. hand strand mill as claimed in claim 1 is characterized in that: both sides last at strand mill frame (20), pinion shaft (4) are respectively equipped with the first brake connecting rod installation shaft (51) and the second brake connecting rod installation shaft (52); Described multi-connecting-rod mechanism (50) comprise respectively with first brake connecting rod installation shaft (51) bonded assembly second brake connecting rod (58), with second brake connecting rod installation shaft (52) bonded assembly first brake connecting rod (53), be connected with brake-applying handle (56) on described first brake connecting rod (53) other end, be connected with braking pipe link (57) on second brake connecting rod (58) other end, braking pipe link (57) other end is connected with brake-applying handle (56) bottom; And with the friction wheel axle (55) of the coaxial setting of pinion shaft (4), be arranged with friction wheel (59) in described friction wheel axle (55) outside, described first brake connecting rod (53), second brake connecting rod (58) go up and the cooresponding position of friction wheel (59) is provided with friction lining (54), and described friction lining (54) obvolvent is in the outside of friction wheel (59).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200698123U CN202030469U (en) | 2011-03-16 | 2011-03-16 | Hand cranking capstan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200698123U CN202030469U (en) | 2011-03-16 | 2011-03-16 | Hand cranking capstan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202030469U true CN202030469U (en) | 2011-11-09 |
Family
ID=44892776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200698123U Expired - Fee Related CN202030469U (en) | 2011-03-16 | 2011-03-16 | Hand cranking capstan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202030469U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102180419A (en) * | 2011-03-16 | 2011-09-14 | 中国南方电网有限责任公司超高压输电公司 | Hand operated grinding mill |
-
2011
- 2011-03-16 CN CN2011200698123U patent/CN202030469U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102180419A (en) * | 2011-03-16 | 2011-09-14 | 中国南方电网有限责任公司超高压输电公司 | Hand operated grinding mill |
| CN102180419B (en) * | 2011-03-16 | 2014-06-25 | 中国南方电网有限责任公司超高压输电公司 | Hand operated grinding mill |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111109 Termination date: 20120316 |