CN2681860Y - Mechanical wrench for double speed rail screw bolt - Google Patents
Mechanical wrench for double speed rail screw bolt Download PDFInfo
- Publication number
- CN2681860Y CN2681860Y CN 200420010077 CN200420010077U CN2681860Y CN 2681860 Y CN2681860 Y CN 2681860Y CN 200420010077 CN200420010077 CN 200420010077 CN 200420010077 U CN200420010077 U CN 200420010077U CN 2681860 Y CN2681860 Y CN 2681860Y
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- CN
- China
- Prior art keywords
- output shaft
- clutch
- shaft
- double speed
- frame
- Prior art date
- 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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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The utility model relates to an apparatus for railway repairing and maintenance, in particular to a mechanical wrench for a double-speed rail screw bolt. The utility model comprises a power mechanism, a clutch control mechanism, a transmission gear-shift mechanism, a machine frame and a running mechanism. The power mechanism is fixed on the machine frame, the lower part of the machine frame is movably connected with the steel rail walking wheels of the running mechanism, and the output shaft of the power mechanism is connected with the input shaft of the transmission gear-shift mechanism via a clutch control mechanism. The transmission gear-shift mechanism is provided with an output shaft A and an output shaft B which have opposite turning directions, and the lower parts of the output shaft A and the output shaft B are provided with wrench sleeves. The utility model with easy use and good effect can screw and loosen the nut by adopting the two output shafts with different turning speeds; with the double security control of the torque control mechanism and the clutch control mechanism, the utility model can efficiently protect the security of the mechanical wrench. In addition, the utility model can be widely used for loosening or tightening various railway bolts with low cost and easy operation.
Description
One. technical field: the utility model relates to a kind of railway maintenance, maintenance utensil, particularly relates to a kind of double speed track bolt impact wrench.
Two. background technology: railway plays a part very important to the economic development of China as important means of transport, and for the better utilization railway and raise the efficiency, China improves constantly the speed of service of train, and correspondingly the maintenance of railway and maintenance are more frequent.The bolt between rail and the sleeper is unclamped during railroad maintenance at present, screw again after the maintenance, do not adopted artificial degree of tightness, because use artificial degree of tightness labour intensity big, efficient ground, and the moment that manually screws is difficult for unified control, causes the rail discontinuity; Generation be to adopt the degree of tightness machine, general degree of tightness machine has two kinds: a kind of is the single head impact type, a kind of " gasoline engine impact wrench " disclosed as Chinese patent CN2091208 (application number is 91202995.1), it adopts gasoline engine is power, form by reduction box, steering mechanism, chain, transmission mechanism, mechanical shock mechanism, steering mechanism is rotated by the engagement of the large bevel gear on the right side on slip jaw clutch and the main shaft, left cone pinion and the driven shaft in reduction box, promptly can change turning to of large bevel gear, reach the purpose of tightening or loosering a bolt; Another kind is the quiet moment of torsion formula of double end, discloses a kind of " sleeper nut degree of tightness machine " as Chinese patent CN2454406 (patent No. is 00244613.8), and it contains engine, reduction box, steering tiller, moment of torsion controlling organization, operating mechanism; Idler gear in the reduction box is connected with generator, and both sides are provided with driven gear, and the wheel shaft lower end of this driven gear is separately installed with bolt collar, is used for elasticity bolt.Above-mentioned patented technology has solved the problem of using the manpower elasticity bolt, improved operating efficiency, reduce simultaneously working strength of workers greatly, but also there are some defectives in they: first kind of noise is big, and has only a box spanner, have only a kind of rotating speed, the degree of tightness moment of torsion is identical, can not satisfy the high-power moment of torsion of pine needs when getting rusty bolt; Second kind of shape need to the spacing of bolt and nut is relatively stricter, and appearance can not be mated the situation of being inserted in bolt easily, uses inconvenient sometimes.
Three. the content of utility model:
The purpose of this utility model: overcome the defective of prior art, provide a kind of simple in structure, the double speed track bolt impact wrench that adopts two output shafts can provide different moments to unscrew and tighten.
The technical solution of the utility model: double speed track bolt impact wrench, contain actuating unit, clutch for clutch control mechanism, transmission shifting mechanism, frame and walking mechanism, actuating unit is fixed on the frame, the rail road wheel of frame lower and walking mechanism flexibly connects, the output shaft of actuating unit is connected with the power shaft of transmission shifting mechanism by clutch for clutch control mechanism, this transmission shifting mechanism is provided with the output shaft A and the output shaft B of switched in opposite, and output shaft A and output shaft B bottom are equipped with wrench socket.
Transmission shifting mechanism contains housing, power shaft, output shaft A, output shaft B, gear train and worm and gear group, wherein an end of output shaft A, output shaft B and power shaft is separately fixed on the housing by bearing, and be separately installed with a worm gear and gear on the output shaft A in housing, a gear that is complementary is installed on output shaft B, be provided with the worm screw that is complementary on power shaft, housing is fixed on the frame.
On output shaft B, be equipped with and decide square mechanism, square mechanism be should decide and adjustment nut, spring, upper tooth bank and lower tooth bank contained, wherein adjusting nut sleeve is spun on the output shaft B, the mesopore of upper tooth bank is provided with spline, and be sleeved on the spline that output shaft B lower end is provided with, be set with spring on the output shaft B between upper tooth bank and the adjustment nut, lower tooth bank top and upper tooth bank bottom are meshing, and its underpart is equipped with wrench socket.
Be provided with locking nut in adjustment nut upper surface, adjusting the dial that is provided with the demonstration moment of torsion on the nut.
Clutch-plate and control backguy are contained in clutch for clutch control mechanism, wherein clutch-plate can be bowl-type, or is frustoconical, and control backguy one end is connected with interior clutch-plate by connecting rod, the other end and backguy are regulated turn-knob and are connected, and this turn-knob is fixed on the handle that the transmission shifting mechanism housing is provided with.
Walking mechanism contains ground running wheel and rail road wheel, wherein the ground running wheel is two, and laterally be installed in both sides, frame rear portion, be provided with connecting rod between two rail road wheels, this connecting rod and a vertical bar flexibly connect by rotating shaft, and vertical bar top is provided with axle sleeve, and frame lower is provided with rotating shaft, this shaft set is provided with the inverted U-shaped handle of lifting at frame front in axle sleeve.
The beneficial effects of the utility model:
1. the utility model is easy to use, and is effective.Adopt two output shafts to tighten respectively and unscrew, the moment of torsion that needs when tightening is little, available higher rotation speed, to raise the efficiency, when unscrewing,, be not easy to unclamp because may there be corrosion in nut and bolt, therefore output shaft adopts low velocity, high pulling torque can unscrew nut at an easy rate, and is easy to use and effective.
2. the utility model is easy to operate.Frame and rail road wheel flexibly connect by rotating shaft and axle sleeve, and be connected by turning cylinder between rail road wheel and the axle sleeve, can make frame carry out upper and lower and turn left and right like this, easy to use, can also be by the ground running wheel at ground running, conveniently moving.
3. the utility model is safe and reliable.Adopt moment of torsion controlling organization and clutch for clutch control mechanism can protect the security of this impact wrench effectively, gear damage, the cracked phenomenon of reduction box can not occur, protected workman's personal safety simultaneously.
4. the utility model is widely used in the degree of tightness of various track bolts, and cost is lower, implements easily, has better society and economic benefit after the popularization.
Four. description of drawings:
Fig. 1 is the structural representation of double speed track bolt impact wrench
Fig. 2 is the left view of double speed track bolt impact wrench shown in Figure 1
Fig. 3 is the right view of double speed track bolt impact wrench shown in Figure 1
Five. the specific embodiment:
Embodiment one: referring to Fig. 1, Fig. 2, the actuating unit 12 of double speed track bolt impact wrench is fixed on the frame 16 among the figure, the rail road wheel 15 of frame 16 bottoms and walking mechanism flexibly connects, the output shaft 11 of actuating unit 12 is connected with the power shaft 8 of transmission shifting mechanism with shaft coupling 9 by clutch for clutch control mechanism, this transmission shifting mechanism is provided with the output shaft 4 and the output shaft 6 of switched in opposite, output shaft 4 and output shaft 6 bottoms are equipped with wrench socket 18, and the rotating speed of output shaft 6 is lower.
One end of the output shaft 4 of transmission shifting mechanism, output shaft 6 and power shaft 8 is separately fixed on the housing 2 by bearing, and be separately installed with a worm gear 7 and gear 5 on the output shaft in housing 26, a gear that is complementary 4 is installed on output shaft 4, be provided with the worm screw that is complementary on power shaft 8, housing 2 is fixed on the frame 16.
On output shaft 4, be equipped with and decide square mechanism, square mechanism be should decide and adjustment nut 22, spring 21, upper tooth bank 20, lower tooth bank 19 contained, wherein adjusting nut 22 covers is spun on the output shaft 4, the mesopore of upper tooth bank 20 is provided with spline, and be sleeved on the spline that output shaft 4 lower ends are provided with, be set with spring 21 on the output shaft 4 between upper tooth bank 20 and the adjustment nut 22, lower tooth bank 19 tops and upper tooth bank 20 bottoms are meshing, and its underpart is equipped with wrench socket 18.
Be provided with locking nut 23 in adjustment nut 22 upper surfaces, adjusting the dial that is provided with the demonstration moment of torsion on the nut 22, can be clear that the size of moment of torsion, very convenient.
Clutch-plate 10 and control backguy 17 are contained in clutch for clutch control mechanism, wherein clutch-plate 10 can be bowl-type, or is frustoconical, and control backguy 17 1 ends are connected with interior clutch-plate by connecting rod, the other end and backguy are regulated turn-knob and are connected, and this turn-knob is fixed on the handle 1 that the transmission shifting mechanism housing is provided with.
Walking mechanism contains ground running wheel 14 and rail road wheel 15, wherein ground running wheel 14 is two, and laterally be installed in both sides, frame 16 rear portion, be provided with connecting rod between two rail road wheels 15, this connecting rod and a vertical bar flexibly connect by rotating shaft, and vertical bar top is provided with axle sleeve, and frame 16 bottoms are provided with rotating shaft, this shaft set is provided with inverted U-shaped lifting 13 at frame front in axle sleeve.
During use, rail road wheel 15 is placed on the rail, starts engine 12, tights a bolt with output shaft 4, and moment of torsion is little, rotating speed height, efficient height; When loosering a bolt, adopt output shaft 6, rotating speed is low, but moment of torsion is big, easily bolt is backed out, and can use ground running wheel 14 to move this device at ordinary times, and is very convenient.
Claims (6)
1. double speed track bolt impact wrench, contain actuating unit, clutch for clutch control mechanism, transmission shifting mechanism, frame and walking mechanism, it is characterized in that: actuating unit is fixed on the frame, the rail road wheel of frame lower and walking mechanism flexibly connects, the output shaft of actuating unit is connected with the power shaft of transmission shifting mechanism by clutch for clutch control mechanism, this transmission shifting mechanism is provided with the output shaft A and the output shaft B of switched in opposite, and output shaft A and output shaft B bottom are equipped with wrench socket.
2. double speed track bolt impact wrench according to claim 1, it is characterized in that: transmission shifting mechanism contains housing, power shaft, output shaft A, output shaft B, gear train and worm and gear group, wherein an end of output shaft A, output shaft B and power shaft is separately fixed on the housing by bearing, and be separately installed with a worm gear and gear on the output shaft A in housing, a gear that is complementary is installed on output shaft B, be provided with the worm screw that is complementary on power shaft, housing is fixed on the frame.
3. double speed track bolt impact wrench according to claim 1, it is characterized in that: on output shaft B, be equipped with and decide square mechanism, square mechanism be should decide and adjustment nut, spring, upper tooth bank and lower tooth bank contained, wherein adjusting nut sleeve is spun on the output shaft B, the mesopore of upper tooth bank is provided with spline, and be sleeved on the spline that output shaft B lower end is provided with, on the output shaft B between upper tooth bank and the adjustment nut, be set with spring, lower tooth bank top and upper tooth bank bottom are meshing, and its underpart is equipped with wrench socket.
4. double speed track bolt impact wrench according to claim 3 is characterized in that: be provided with locking nut in adjustment nut upper surface, adjusting the dial that is provided with the demonstration moment of torsion on the nut.
5. double speed track bolt impact wrench according to claim 1, it is characterized in that: clutch-plate and control backguy are contained in clutch for clutch control mechanism, wherein clutch-plate can be bowl-type, or be frustoconical, control backguy one end is connected with interior clutch-plate by connecting rod, the other end and backguy are regulated turn-knob and are connected, and this turn-knob is fixed on the handle that the transmission shifting mechanism housing is provided with.
6. double speed track bolt impact wrench according to claim 1, it is characterized in that: walking mechanism contains ground running wheel and rail road wheel, wherein the ground running wheel is two, and laterally be installed in both sides, frame rear portion, and being provided with connecting rod between two rail road wheels, this connecting rod and a vertical bar flexibly connect by rotating shaft, vertical bar top is provided with axle sleeve, frame lower is provided with rotating shaft, and this shaft set is provided with the inverted U-shaped handle of lifting at frame front in axle sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420010077 CN2681860Y (en) | 2004-01-14 | 2004-01-14 | Mechanical wrench for double speed rail screw bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420010077 CN2681860Y (en) | 2004-01-14 | 2004-01-14 | Mechanical wrench for double speed rail screw bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2681860Y true CN2681860Y (en) | 2005-03-02 |
Family
ID=34606119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420010077 Expired - Fee Related CN2681860Y (en) | 2004-01-14 | 2004-01-14 | Mechanical wrench for double speed rail screw bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2681860Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CZ304172B6 (en) * | 2012-09-17 | 2013-12-04 | Skoda Js A.S. | Gear block sequencing of tightener of flanged joint bolts |
| CN108603347A (en) * | 2016-01-29 | 2018-09-28 | 罗贝尔铁路建筑机械有限责任公司 | It is screwed machine |
-
2004
- 2004-01-14 CN CN 200420010077 patent/CN2681860Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CZ304172B6 (en) * | 2012-09-17 | 2013-12-04 | Skoda Js A.S. | Gear block sequencing of tightener of flanged joint bolts |
| CN108603347A (en) * | 2016-01-29 | 2018-09-28 | 罗贝尔铁路建筑机械有限责任公司 | It is screwed machine |
| US10934666B2 (en) | 2016-01-29 | 2021-03-02 | Robel Bahnbaumaschinen Gmbh | Screwing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |