CN202955148U - Overrunning coupler assembly - Google Patents
Overrunning coupler assembly Download PDFInfo
- Publication number
- CN202955148U CN202955148U CN 201220450205 CN201220450205U CN202955148U CN 202955148 U CN202955148 U CN 202955148U CN 201220450205 CN201220450205 CN 201220450205 CN 201220450205 U CN201220450205 U CN 201220450205U CN 202955148 U CN202955148 U CN 202955148U
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- China
- Prior art keywords
- outer ring
- helical teeth
- ring gear
- gear
- slide block
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- Expired - Fee Related
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Abstract
The utility model discloses an overrunning coupler assembly which comprises a power shaft gear, an outer ring gear, an inner wheel, a sliding block, a checking ring, a bearing and a reset device. Inner helical teeth, outer helical teeth and a ratchet are installed inside the sliding block, wherein the sliding blocking is suited on outside the inner wheel which is fixed on a power shaft. Under combined action of the helical teeth and the reset device, the power shaft gear and the outer ring gear are meshed or separated through the movement of the sliding block. The overrunning coupler assembly is characterized in that the reset device is installed inside the outer ring of the outer ring gear. The reset device is composed of a pawl base, a pawl and a pawl shaft. The overrunning coupler assembly overcomes the defects that the serve life of the overrunning coupler assembly in the prior art is short, the reliability is low, the processing craft is complicated and the cost is high. The overrunning coupler assembly is applied to the field of engineering machinery, such as a reducer casing of a loader.
Description
Technical field
The utility model relates to a kind of overdrive clutch assembly, is used for unidirectional delivery mechanical system power, and it is applied in the speed reducer of engineering machinery, or claims two axle assemblies.This free wheel device adopts sliding block type structure, utilize the speed discrepancy of outer ring gear and driving gear, under the effect of resetting means, rely on the engagement of angular gear or throw off the transferring power moment of torsion, avoid present ratchet, roller or Wedge type over running clutch to rely on friction to come the shortcoming of transmitting torque, improve transmitting torque and functional reliability, thereby prolong the working life of clutch and improve its working efficiency.
Background technique
The employed free wheel device of machine power unidirectional transmission, such as two axle assemblies in the loading machine gearbox, need to and throw off under the operating conditions in frequent engagement, transmit discontinuously Operating torque, mesh impact is larger, because abominable operating conditions causes lubricant pollution easily, this is very disadvantageous for the roller type or the Wedge type over running clutch that rely on overall viewing range, and this also is to cause the existing poor basic reason of overdrive clutch assembly functional reliability.
Overdrive clutch assembly of the present invention relies on the angular gear clutch to transmit Operating torque, does not have friction means, can not affect because of wearing and tearing its working life; Owing to there is not reverse release moment, this free wheel device has higher working efficiency.Adopt the clutch assembly of this structure, be applied in the loading machine gearbox, to solve the industry difficult problem of existing clutch assembly poor reliability.
Chinese utility model patent ZL01246922.X, Chinese utility model patent ZL01224883.5, Chinese utility model patent ZL02259717.4 and Chinese utility model patent ZL00261332.8 disclose respectively the overdrive clutch assembly that is used for separately engineering machinery, although slightly different on the structure, but all be to adopt the surface of contact extrusion friction of roller or voussoir and gear to come the principle of transmitting torque, even improve the friction means machining accuracy, can not solve the poor problem of operational safety of overdrive clutch assembly.
Chinese utility model patent 200720155907.0 adopts pawl clutch addressing the above problem, but high and will bear the reason such as eccentric force owing to requirement on machining accuracy, actual middle processing cost height and the functional reliability of using is poor.
Summary of the invention
The purpose of this utility model is to overcome the defective that existing overdrive clutch assembly working life is short, reliability is low, processing technology is complicated and cost is high, a kind of clutch that uses the double-helical-tooth slide block structure is provided, improve working life and the reliability of overdrive clutch assembly, and cut down finished cost, and then improve the power transmission performance of engineering machinery.The utility model is specially adapted to engineering machinery field, such as the speed reducer of loader.
The described clutch assembly of the present utility model comprises: line shaft gear, outer ring gear, interiorly take turns, slide block, back-up ring, bearing and resetting means.Slide block is provided with interior helical teeth, outer helical teeth and ratchet, be sleeved on the interior outside of taking turns of being fixed on the line shaft, under the acting in conjunction of helical teeth and resetting means, the line shaft gear meshes by the movement of slide block with outer ring gear or separates, described resetting means is arranged on the inboard, outer ring of outer ring gear, is made of pawl base, ratchet and pawl axis.Described line shaft gear comprises driving gear and input shaft, the processing of both one, by bearings in gearbox; Described outer ring gear by bearings in the above-mentioned input shaft outside and coaxial rotation, its outer ring arranged outside transmission gear ring, the inboard arranges interior helical teeth; The described interior side that is fixed on the line shaft gear of taking turns, between the inner ring and outer ring of outer ring gear, its outside is provided with outer helical teeth; Described slide block set is contained in the interior outside of taking turns, be provided with outer helical teeth, interior helical teeth and ratchet, intermeshing or the disengaging of helical teeth in the outer helical teeth of slide block and the outer ring gear, slide block arranged outside ratchet ring and resetting means are interactive, helical teeth is with interior to take turns outer helical teeth intermeshing in the slide block, and slide block is taken turns the axial reciprocating slip with respect to interior; Resetting means adopts pawl structures, is installed in the inboard position corresponding with the slide block ratchet of outer ring gear, and according to the difference of rotating speed, both engagements or disengaging are to control slide block with respect to the outer ring gear one-way rotation.
The characteristics of this clutch assembly are: at the interior outside cover of taking turns the double-helical-tooth slide block is arranged, when outer ring gear and line shaft gear rotational speed not simultaneously, interiorly take turns outer helical teeth and force that helical teeth breaks away from slide block and the outer ring gear, this moment, the ratchet permission slide block of resetting means surmounted rotation; Identical with the line shaft gear rotational speed and when being tending towards relatively oppositely when outer ring gear, the ratchet of resetting means and the ratchet engagement of slide block, force slide block under the effect of interior helical teeth, axially to slide into and the outer ring gear engagement, so that the common transmitting torque of outer ring gear and driving gear.
Description of drawings
Accompanying drawing 1 is the overdrive clutch assembly structure schematic cross section of described model utility.
Embodiment
As shown in Figure 1, overdrive clutch assembly described in the utility model comprises: the line shaft gear that is formed by transmission shaft 14 and driving gear 13, outer ring gear 1, interiorly take turns 9, slide block 5 and consist of ratchet, pawl base and the pawl axis of resetting means.
Described line shaft gear comprises driving gear 13 and transmission shaft 14, and both one are processed, and is supported in the gearbox by bearing 15; Described outer ring gear 1 comprises inner ring 3 and outer ring 2, by bearing 16 supporting and locations that set within it between circle 3 and the above-mentioned transmission shaft 14, and with transmission shaft 14 coaxial rotation, described slide block inboard arranges interior helical teeth, the outer helical teeth of arranged outside and ratchet, namely; 2 inboards arrange interior helical teeth 4 in the outer ring; Describedly interiorly take turns 9 and be fixed on a side of driving gear 13 by bolt 17, between the inner ring 3 and outer ring 2 of outer ring gear 1, there is helical teeth 10 in its outside; Described slide block 5 is sleeved on interior 9 outsides of taking turns, be provided with outer helical teeth 6, interior helical teeth 7 and ratchet 8, the outer helical teeth 6 of slide block 5 and the 4 intermeshing or disengagings of the interior helical teeth of outer ring gear 1, the interior helical teeth 7 of slide block 5 is intermeshing with the interior 9 outer helical teeth 10 of taking turns, and slide block 5 is taken turns 9 and slided at back-up ring 12 inboard axial reciprocatings with respect to interior; The position that the inboard that resetting means is arranged on outer ring gear 1 and ratchet 8 are corresponding is made of pawl base 18, ratchet 19 and pawl axis 20.
Claims (3)
1. overdrive clutch assembly, comprise line shaft gear, outer ring gear, interiorly take turns, slide block, back-up ring, bearing and resetting means, slide block is provided with interior helical teeth, outer helical teeth and ratchet, be sleeved on the interior outside of taking turns of being fixed on the line shaft, under the acting in conjunction of helical teeth and resetting means, the line shaft gear meshes by the movement of slide block with outer ring gear or separates, and it is characterized in that: described resetting means is arranged on the inboard, outer ring of outer ring gear, is made of pawl base, ratchet and pawl axis.
2. described overdrive clutch assembly according to claim 1, it is characterized in that: described slide block inboard arranges interior helical teeth, the outer helical teeth of arranged outside and ratchet.
3. described overdrive clutch assembly according to claim 1, it is characterized in that: the inboard, outer ring of described outer ring gear arranges interior helical teeth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220450205 CN202955148U (en) | 2012-09-06 | 2012-09-06 | Overrunning coupler assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220450205 CN202955148U (en) | 2012-09-06 | 2012-09-06 | Overrunning coupler assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202955148U true CN202955148U (en) | 2013-05-29 |
Family
ID=48460723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220450205 Expired - Fee Related CN202955148U (en) | 2012-09-06 | 2012-09-06 | Overrunning coupler assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202955148U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930158A (en) * | 2015-06-29 | 2015-09-23 | 浙江尤里卡机电有限公司 | Transmission gear having sliding reversing function |
-
2012
- 2012-09-06 CN CN 201220450205 patent/CN202955148U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930158A (en) * | 2015-06-29 | 2015-09-23 | 浙江尤里卡机电有限公司 | Transmission gear having sliding reversing function |
| CN104930158B (en) * | 2015-06-29 | 2018-10-30 | 马平 | A kind of band slides the transmission gear of reverse gear function |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130529 Termination date: 20160906 |