CN203856988U - Belt tensioning device for vehicle-mounted force taking power generator system - Google Patents
Belt tensioning device for vehicle-mounted force taking power generator system Download PDFInfo
- Publication number
- CN203856988U CN203856988U CN201420172084.2U CN201420172084U CN203856988U CN 203856988 U CN203856988 U CN 203856988U CN 201420172084 U CN201420172084 U CN 201420172084U CN 203856988 U CN203856988 U CN 203856988U
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- China
- Prior art keywords
- belt
- bearing
- shaped plate
- regulating mechanism
- gear rack
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Abstract
The utility model discloses a belt tensioning device for a vehicle-mounted force taking power generator system. The belt tensioning device for the vehicle-mounted force taking power generator system comprises tension shaft assemblies, a gear rack regulating mechanism and a locking mechanism; a pair of the tension shaft assemblies are symmetrically arranged at two sides of the gear rack regulating mechanism; the locking mechanism is arranged on the gear rack regulating mechanism; each tension shaft assembly comprises a roller, a tension shaft, fixing plates and a U-shaped plate; the gear rack regulating mechanism comprises racks, a gear shaft, a support plate and a shell; the locking mechanism comprises a clip-shaped rod, a locking bolt, an inner hexagonal clamp sleeve and a locking support seat. The belt tensioning device for the vehicle-mounted force taking power generator system adopts a symmetric structure, so each belt can be uniformly stressed, the axial force is prevented from being generated, and the tightened edge and loosened edge of a belt group are tensioned at the same time, so the rotary speed fluctuation of a belt wheel is controlled within a very small range and the transmission power and the service life of the belt are greatly improved and prolonged.
Description
Technical field
The utility model is specifically related to a kind of belt stretcher for vehicle-mounted power takeoff generator system.
Background technique
Along with the development of special purpose vehicle and constantly widening of product category, the power plant that fill on special purpose vehicle are more and more, such as hydraulic-pressure pump, blower fan, air pump, water pump, generator etc., and these power plant all need power source that power is provided.
At present, the power transmission mode of power plant mainly contains two kinds: one is that motor or assistant engine arrive power plant by belt transmission by transmission of power; Another kind is directly power taking on chassis, and transmission of power is arrived to power plant.The power that the mode of chassis power taking is got is relatively little, can not meet well the function requirement of high-power many power plant, therefore, becomes gradually main flow by bel-drivenn mode.In order to adapt to the needs of vehicular high-power consumer, on increasing special purpose vehicle, add generator, in order to reach good power generation performance, input speed that need to be more uniform and stable and torque, therefore generator needs many belts to form belt group, but existing belt stretcher is difficult to ensure that every belt is stressed evenly, the fluctuation of speed that is difficult to control generator pulley is in minimum scope.
Model utility content
The technical problems to be solved in the utility model is, for cannot effectively solving in prior art because existing belt stretcher is difficult to ensure the stressed defect that evenly causes the fluctuation of speed that is difficult to the to control generator pulley problem such as in minimum scope of every belt, to provide a kind of belt stretcher for vehicle-mounted power takeoff generator system that can effectively address the above problem.
The utility model solves the technological scheme that its technical problem adopts:
A kind of belt stretcher for vehicle-mounted power takeoff generator system is provided, this device comprises tensioning shaft assembly, gear rack regulating mechanism and locking mechanism, a pair of described tensioning shaft assembly is symmetricly set on the both sides of gear rack regulating mechanism, and described locking mechanism is arranged on gear rack regulating mechanism;
Wherein, described tensioning shaft assembly comprises cylinder, tensioning shaft, fixed plate and U-shaped plate, described cylinder is contained on tensioning shaft by bearing housing, the two end supports of described tensioning shaft is arranged in the biside plate of U-shaped plate, in the biside plate of described U-shaped plate, be also provided with fixed plate, described fixed plate is bolted and is arranged on U-shaped plate, forms the closed loop that can hold belt group between described U-shaped plate and cylinder;
Described gear rack regulating mechanism comprises tooth bar, gear shaft, dunnage and shell, described gear shaft is arranged between a pair of tooth bar, the outer end of described tooth bar is fixedly connected with U-shaped plate, one end of described gear shaft is supported and is arranged in the enclosure, the other end stretches out shell support and is arranged in generator base support, between described shell and generator base support, is fixedly installed dunnage;
Described locking mechanism comprises hollow bar, lock bolt, interior hexagonal cutting ferrule and locking support, described interior hexagonal cutting ferrule is sleeved on the other end of described gear shaft, one long limit of described hollow bar arranges through interior hexagonal cutting ferrule, another long limit is arranged in locking support by lock bolt, and described locking support is fixedly installed on the lower end of generator base support.
By technique scheme, the arranged outside of described bearing has bearing (ball) cover, and described bearing (ball) cover is bolted and is arranged on cylinder, is provided with wool felt seal ring between described bearing and bearing (ball) cover.
By technique scheme, described bearing is a pair of deep groove ball bearing.
By technique scheme, described fixed plate and U-shaped plate offer pin-and-hole in identical position, in described pin-and-hole, are provided with fixed pin shaft.
The utility model, there is following beneficial effect: this device adopts symmetrical structure, can make every belt uniform stressed, prevent the generation of axial force, pilled-in selvedge and the slack list of tightening belt group simultaneously, pilled-in selvedge and slack list are strained to the inside simultaneously, the fluctuation of speed of belt pulley is controlled in very little scope, greatly improve transmitted power and the working life of belt.
Concrete, need to carry out tensioning adjusting time, unclamp lock bolt, rotation hollow bar makes it parallel with the axis of interior hexagonal cutting ferrule, then rotate hollow bar, the rotation of driven gear axle, gear shaft will rotatablely move and be transformed into straight line motion through tooth bar, the U-shaped plate of rack drives both sides does relative motion, being arranged at the belt group in closed loop between U-shaped plate and cylinder moves to the inside, pulling force acts on belt group Section Central, can make belt group stressed evenly, prevent axial force, prevent that belt from causing peril because sliding to fly out, the pilled-in selvedge of belt group and slack list are strained to the inside simultaneously, can double increase belt pulley cornerite, and then increase belt transmitted power and working life, until adjust to rational amount of tension, hollow bar is rotated in locking support, by lock bolt by hollow bar.Rack and pinion axle all adopts the tooth of little modulus, multiple tooth number, make its adjust precision high, adjust stroke large.
Further, by bearing (ball) cover is set, give on the one hand bearing spacing, also can protect on the other hand bearing, by wool felt seal ring is set, can ensure the sealing of bearing, the working life of further improving bearing.
Further, adopt deep groove ball bearing, can make cylinder bear higher rotating speed and linear velocity.
Further, by fixed pin shaft is set, can prevent that U-shaped plate is pulled out of shape.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the utility model embodiment's structural representation;
Fig. 2 is the worm's eye view of Fig. 1;
Fig. 3 is the side view of Fig. 1;
Fig. 4 is the utility model embodiment's stereogram;
Fig. 5 is the structural representation of tensioning shaft assembly;
Fig. 6 is the structural representation of gear rack regulating mechanism;
Fig. 7 is the sectional view along A-A line in Fig. 6;
Fig. 8 is the rear view of Fig. 7;
Fig. 9 is the structural representation of locking mechanism;
Figure 10 is the right elevation of Fig. 9;
Figure 11 is the utility model embodiment's scheme of installation.
In figure, 1-generator, 2-driven pulley, 3-pneumatic clutch, 4-belt stretcher, 5-belt group, the main drive pulley of 6-, 7-tensioning shaft assembly, 8-gear rack regulating mechanism, 9-locking mechanism, 10-fixed plate, 11-fixed pin shaft, 12-bolt, 14-cylinder, 15-deep groove ball bearing, 16-bearing (ball) cover, 17-wool felt seal ring, 18-tensioning shaft, 19-U template, 20-tooth bar, 21-gear shaft, 22-dunnage, 23-shell, 24-hollow bar, 25-lock bolt, hexagonal cutting ferrule in 26-, 27-locking support, 28-generator base support, 29-motor rear power takeoff, 30-gimbal coupling, the main drive pulley base of 31-.
Embodiment
In order to make the purpose of this utility model, technological scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
In preferred embodiment of the present utility model, as shown in Figure 1 to 4, a kind of belt stretcher for vehicle-mounted power takeoff generator system, this belt stretcher 4 comprises tensioning shaft assembly 7, gear rack regulating mechanism 8 and locking mechanism 9, a pair of tensioning shaft assembly 7 is symmetricly set on the both sides of gear rack regulating mechanism 8, and locking mechanism 9 is arranged on gear rack regulating mechanism 8.Because a pair of tensioning shaft assembly 7 is symmetrically distributed in the both sides of gear rack regulating mechanism 8, and pulling force acts on the middle vertical plane of two groups of tensioning shaft assemblies 7, can make every belt uniform stressed in belt group 5, by tension side and slack list tensioning simultaneously, effectively reduce the slip of belt, effectively improve transmitted power and the working life of belt, the power of two large symmetries such as grade can be synthesized by vector simultaneously, also greatly reduce the lateral force that main drive pulley bearing 31 and generator 1 bear, and can avoid tensioning shaft assembly 7 to produce axial force.
As shown in Figure 5, tensioning shaft assembly 7 comprises cylinder 14, tensioning shaft 18, fixed plate 10 and U-shaped plate 19, cylinder 14 is contained on tensioning shaft 18 by bearing housing, the two end supports of tensioning shaft 18 is arranged in the biside plate of U-shaped plate 19, in the biside plate of U-shaped plate 19, be also provided with fixed plate 10, the two ends of tensioning shaft 18 are square structure, be fixedly mounted in U-shaped plate 19 by fixed plate 10, fixed plate 10 is fixedly installed on U-shaped plate 19 by bolt 12, fixed plate 10 and U-shaped plate 19 offer pin-and-hole in identical position, in pin-and-hole, be provided with fixed pin shaft 11, between U-shaped plate 19 and cylinder 14, form the closed loop that can hold belt group 5, belt group 5 is arranged in closed loop, not only effectively improve tensioning shaft assembly rigidity, can also prevent that 5 slips of belt group from flying out.Preferably, bearing is a pair of deep groove ball bearing 15, and its arranged outside has bearing (ball) cover 16, and bearing (ball) cover 16 is fixedly installed on cylinder 14 by bolt 12, between bearing and bearing (ball) cover 16, is provided with wool felt seal ring 17.
As shown in Figure 6 to 8, gear rack regulating mechanism 8 comprises tooth bar 20, gear shaft 21, dunnage 22 and shell 23, gear shaft 21 is arranged between a pair of tooth bar 20, tooth bar 20, gear shaft 21 are selected the tooth of little modulus, multiple tooth number, the outer end of tooth bar 20 is fixedly connected with U-shaped plate 19, one end of gear shaft 21 is supported and is arranged in shell 23, the other end stretches out shell 23 supports and is arranged in generator base support 28, between shell 23 and generator base support 28, be fixedly installed dunnage 22, to ensure the strength and stiffness of whole belt stretcher 4.This gear rack regulating mechanism 8 can be transformed into straight line motion by rotatablely moving, and has advantages of that strength is large, it is large to adjust stroke.
As shown in Fig. 9～Figure 10, locking mechanism 9 comprises hollow bar 24, lock bolt 25, interior hexagonal cutting ferrule 26 and locking support 27, the other end of gear shaft 21 is made regular hexagon column structure, interior hexagonal cutting ferrule 26 is processed regular hexagon endoporus, be sleeved on the other end of gear shaft 21, one long limit of hollow bar 24 arranges through interior hexagonal cutting ferrule 26, and another long limit is arranged in locking support 27 by lock bolt 25, and locking support 27 is fixedly installed on the lower end of generator base support 28.In the time carrying out tensioning adjustment, hollow bar 24 half-twists are parallel with interior hexagonal cutting ferrule 26 axis, rotate hollow bar 24 and adjust amount of tension, until while adjusting to rational amount of tension, again hollow bar 24 is rotated in locking support 27, by lock bolt 25, hollow bar 24 is locked, thereby by whole device locking.
As shown in figure 11, generator 1 and belt stretcher 4 are all arranged on generator base support 28, generator base support 28 is rigidly connected with main drive pulley base 31, power is delivered to main drive pulley 6 from motor rear power takeoff 29 through gimbal coupling 30, be delivered to driven pulley 2 by belt group 5 again, pneumatic clutch 3 is controlled power and whether is passed to generator 1.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improvement and conversion all should belong to the protection domain of the utility model claims.
Claims (4)
1. the belt stretcher for vehicle-mounted power takeoff generator system, it is characterized in that: this device comprises tensioning shaft assembly (7), gear rack regulating mechanism (8) and locking mechanism (9), a pair of described tensioning shaft assembly (7) is symmetricly set on the both sides of gear rack regulating mechanism (8), and described locking mechanism (9) is arranged on gear rack regulating mechanism (8);
Wherein, described tensioning shaft assembly (7) comprises cylinder (14), tensioning shaft (18), fixed plate (10) and U-shaped plate (19), described cylinder (14) is contained on tensioning shaft (18) by bearing housing, the two end supports of described tensioning shaft (18) is arranged in the biside plate of U-shaped plate (19), in the biside plate of described U-shaped plate (19), be also provided with fixed plate (10), it is upper that described fixed plate (10) is fixedly installed on U-shaped plate (19) by bolt (12), forms the closed loop that can hold belt group (5) between described U-shaped plate (19) and cylinder (14);
Described gear rack regulating mechanism (8) comprises tooth bar (20), gear shaft (21), dunnage (22) and shell (23), described gear shaft (21) is arranged between a pair of tooth bar (20), the outer end of described tooth bar (20) is fixedly connected with U-shaped plate (19), one end of described gear shaft (21) is supported and is arranged in shell (23), the other end stretches out shell (23) support and is arranged in generator base support (28), between described shell (23) and generator base support (28), is fixedly installed dunnage (22);
Described locking mechanism (9) comprises hollow bar (24), lock bolt (25), interior hexagonal cutting ferrule (26) and locking support (27), described interior hexagonal cutting ferrule (26) is sleeved on the other end of described gear shaft (21), one long limit of described hollow bar (24) arranges through interior hexagonal cutting ferrule (26), another long limit is arranged in locking support (27) by lock bolt (25), and described locking support (27) is fixedly installed on the lower end of generator base support (28).
2. device according to claim 1, it is characterized in that: the arranged outside of described bearing has bearing (ball) cover (16), it is upper that described bearing (ball) cover (16) is fixedly installed on cylinder (14) by bolt (12), is provided with wool felt seal ring (17) between described bearing and bearing (ball) cover (16).
3. device according to claim 2, is characterized in that: described bearing is a pair of deep groove ball bearing (15).
4. device according to claim 1, is characterized in that: described fixed plate (10) and U-shaped plate (19) offer pin-and-hole in identical position, are provided with fixed pin shaft (11) in described pin-and-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420172084.2U CN203856988U (en) | 2014-04-11 | 2014-04-11 | Belt tensioning device for vehicle-mounted force taking power generator system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420172084.2U CN203856988U (en) | 2014-04-11 | 2014-04-11 | Belt tensioning device for vehicle-mounted force taking power generator system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203856988U true CN203856988U (en) | 2014-10-01 |
Family
ID=51606839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420172084.2U Expired - Fee Related CN203856988U (en) | 2014-04-11 | 2014-04-11 | Belt tensioning device for vehicle-mounted force taking power generator system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203856988U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108488258A (en) * | 2018-02-07 | 2018-09-04 | 北京航天控制仪器研究所 | A kind of actuator of novel on-vehicle taking force power generation system |
| CN113969963A (en) * | 2021-10-26 | 2022-01-25 | 安徽信息工程学院 | Belt pulley tensioning mechanism |
-
2014
- 2014-04-11 CN CN201420172084.2U patent/CN203856988U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108488258A (en) * | 2018-02-07 | 2018-09-04 | 北京航天控制仪器研究所 | A kind of actuator of novel on-vehicle taking force power generation system |
| CN108488258B (en) * | 2018-02-07 | 2020-09-18 | 北京航天控制仪器研究所 | Dragging device of vehicle-mounted power take-off power generation system |
| CN113969963A (en) * | 2021-10-26 | 2022-01-25 | 安徽信息工程学院 | Belt pulley tensioning mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141001 Termination date: 20150411 |
|
| EXPY | Termination of patent right or utility model |