CN205714429U - Diesel engine compression pump supporting device with belt tightening regulation - Google Patents
Diesel engine compression pump supporting device with belt tightening regulation Download PDFInfo
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- CN205714429U CN205714429U CN201620120339.XU CN201620120339U CN205714429U CN 205714429 U CN205714429 U CN 205714429U CN 201620120339 U CN201620120339 U CN 201620120339U CN 205714429 U CN205714429 U CN 205714429U
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- compression pump
- regulating wheel
- belt
- installed surface
- diesel engine
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Abstract
The utility model discloses a kind of diesel engine compression pump supporting device with belt tightening regulation, its structure is: compression pump cradle top installed surface is provided with 4 installing holes；Compression pump support right arm is provided with regulating wheel chute and tensioning regulation bolt mounting holes；Compression pump support front end is vertical installation surface, and the top of vertical installation surface is provided with two upper arms perpendicular with this installed surface.Compression pump cradle top installed surface and vertical installation surface are 700, compression pump tilts to be fixed on compression pump cradle top installed surface.The train that compression pump is made up of compression pump belt pulley, crank pulley and regulating wheel, is driven by driving belt.The intensity that compression pump support not only meets supporting compression pump requires, and with driving belt rate of tension governor motion, and eliminate regulating wheel special stand.Rotate regulation driving belt amount of tension by bolt, assembly precision can be significantly improved, reduce vibration and noise, it is ensured that the comfortableness that car load is taken.
Description
Technical field
The utility model belongs to engine accessory mechanical part, is specifically related to the supporting arrangement of a kind of Diesel engine compression pump.
Background technology
With the development of auto manufacturing's technology, people it is also proposed higher requirement to the security of automobile, reliability and riding comfort.Vibration and noise are one of key factors affecting car load comfortableness, and wherein belt tightening then directly influences stationarity and the transmission efficiency of transmission.Traditional diesel engine belt tightening governor motion is it is generally required to single regulating wheel and support, and this structure is complex, and to take bigger installing space.Meanwhile, manually adjusting belt tension degree needs by feel control, it is difficult to ensure that standard, pine crossed by belt or tension is complete by rule of thumb.The problem thus brought is, belt slack causes transmission efficiency to decline, throw switch, even belt channelling；Tension then can cause vibrating unstable, and belt stress is big, service life reduction, is transmitted parts stress and strengthens, the faults such as off-axis occurs, directly affect the reliability of diesel engine.
A kind of belt tensioning mechanism that the utility model is proposed is for drive systems such as compression pumps, and structure stand not only meets bearing strength requirement, and rotates adjusting belt tension amount by bolt, easy to adjust and structure is compacter.
Content of the invention
The purpose of this utility model is to provide a kind of simple in construction, rate of tension diesel engine compression pump supporting device easy to adjust.
In order to realize this purpose, technical solution adopted in the utility model is: with the diesel engine compression pump supporting device of belt tightening regulation, comprises compression pump, compression pump belt pulley, compression pump support, regulating wheel, regulating wheel cushion block, tensioning regulation bolt, crank pulley and driving belt etc..The installed surface of compression pump cradle top is provided with 4 installing holes；Compression pump support right arm is provided with regulating wheel chute and tensioning regulation bolt mounting holes；Compression pump support front end is vertical installation surface；The top of vertical installation surface is provided with two upper arms perpendicular with this installed surface.Compression pump cradle top installed surface and vertical installation surface are 70 °, and compression pump tilts to be fixed on compression pump cradle top installed surface.The train that compression pump is made up of compression pump belt pulley, crank pulley and regulating wheel, is driven by driving belt.
The principle of the transmission of diesel engine compression pump train is: compression pump is rotated by the small pulley transmission of crank pulley front end, crank pulley, drives compression pump belt pulley to rotate by driving belt, so that compression pump work.
The Principles of Regulation of driving belt rate of tension are: the compression pump side face arm of force be provided with regulating wheel chute and tensioning regulation bolt mounting holes, regulating wheel fastening bolt from this arm of force pass back through regulating wheel chute, the lower bolt hole of regulating wheel cushion block is connected with regulating wheel.The root of regulating wheel fastening bolt is designed as square, and square root is positioned at chute and coordinates with chute, this structure be disposed to when tightening regulating wheel nut, regulating wheel fastening bolt will not together (with) rotate.The top of regulating wheel cushion block is an internal thread pipeline section perpendicular with lower central screwed hole, and tensioning regulation bolt passes through tensioning and regulates bolt mounting holes, screws in the internal thread pipeline section of regulating wheel cushion block.When rotating tensioning regulation bolt, regulating wheel cushion block can produce displacement, thus drives regulating wheel (connecting together with cushion block) to move forward and backward, it is achieved the regulation to driving belt rate of tension.
The structural principle of compression pump support is: be provided with two upper arms vertical with this installed surface in compression pump support vertical installation surface, upper arm has bolt hole, for installing the extension angle that stationary engine body front end side is stretched out.It is provided with the reinforcement of level in the middle of two upper arms, between the vertical installation surface of compression pump support and upper arm and horizontal stiffener three, forms mutually perpendicular structure, make the rigidity of compression pump support and intensity be guaranteed.Wherein vertical upper arm improves the force structure of compression pump support, reduces the shearing force suffered by side face (with body fixed installation) bolt.The compression pump side face arm of force is provided with regulating wheel chute and tensioning regulation bolt mounting holes, is used for installing regulating wheel and tightening belt.
Feature of the present utility model and generation provide the benefit that: compression pump supporting structure is compact has higher intensity, and compression pump train makes machine shape little after installing.The intensity that support not only meets supporting compression pump requires, and support is with driving belt rate of tension governor motion, and eliminates regulating wheel special stand.Rotate regulation driving belt amount of tension by bolt, assembly precision can be significantly improved, reduce vibration and noise, it is ensured that the comfortableness that car load is taken.
Brief description
Fig. 1 is the installation decomposing schematic representation of the supporting of this diesel engine compression pump and transmission mechanism.
Fig. 2 is the front view of the supporting of this diesel engine compression pump and transmission mechanism.
Fig. 3 is the front perspective view of this diesel engine compression pump support.
Fig. 4 is the rear perspective figure of this diesel engine compression pump support.
Detailed description of the invention
Below in conjunction with accompanying drawing and by embodiment, structure of the present utility model and principle are described further, but the content that the utility model is covered is not limited to following embodiment.
With the diesel engine compression pump supporting device of belt tightening regulation, comprise compression pump, compression pump belt pulley, compression pump support, regulating wheel, regulating wheel cushion block, tensioning regulation bolt, crank pulley and driving belt etc..Its structure is: the installed surface 1-1 at compression pump support 1 top is provided with 4 installing holes；Compression pump support right arm 1-2 is provided with regulating wheel chute 1-3 and tensioning regulation bolt mounting holes 1-4；Compression pump support front end is vertical installation surface 1-5；The top of vertical installation surface is provided with two upper arms 1-6 perpendicular with this installed surface.Compression pump cradle top installed surface and vertical installation surface are 70 °, and compression pump 2 tilts to be fixed on compression pump cradle top installed surface.The train that compression pump is made up of compression pump belt pulley the 3rd, crank pulley 4 and regulating wheel 5, is driven by driving belt 6.
Tensioning regulation bolt mounting holes is unthreaded hole, and hole end surface is perpendicular to regulating wheel chute.Regulating wheel cushion block 7 is divided into upper and lower two parts, bottom is column structure, and cylindrical center is machined with unthreaded hole, and top is an internal thread pipeline section perpendicular with bottom unthreaded hole, tensioning regulation bolt 8 passes through tensioning and regulates bolt mounting holes, screws in the internal thread pipeline section of regulating wheel cushion block.Regulating wheel fastening bolt 9 from compression pump support right arm pass back through regulating wheel chute, the unthreaded hole of regulating wheel cushion block bottom is connected with regulating wheel.The root of regulating wheel fastening bolt is designed as square, and square root is positioned at chute and coordinates with chute, when tightening regulating wheel fastening bolt with the locknut of the fastening of regulating wheel, can prevent regulating wheel fastening bolt from rotating together.Rotate tensioning regulation bolt, drive regulating wheel to move forward and backward by the displacement of regulating wheel cushion block, it is achieved the regulation to driving belt rate of tension.
Two vertical upper arms of compression pump support are provided with horizontal stiffener 1-7；Compression pump cradle top installed surface center is provided with repeated hole 1-8；It is welded with vertical reinforcement 1-9 inside compression pump cradle top installed surface with vertical installation surface.
Crank pulley has large and small two belt wheels, and compression pump is driven by small pulley 4-1.
With four-cylinder diesel engine as embodiment: compression pump is by the top installed surface being bolted to compression pump support of four M10.The vertical installation surface of compression pump support is arranged on the side of engine body by four bolts, and two upper arms of vertical installation surface are arranged on the extension angle that body front end side is stretched out by bolt hole, i.e. two faces of support are fixed with body.Compression pump passes through crank pulley transmission, and crank pulley has two polywedge bet belt wheels, and the small pulley of front end is used for driven separately compression pump belt wheel, and the big belt wheel 4-2 of rear end is used for other annexes of Transmission Engine.
The purpose using small pulley transmission compression pump is to require for meeting compression pump rotating speed and gearratio, and the driving belt of this diesel engine is 8PK polywedge bet.The external diameter of crank pulley small pulley is 100mm；Compression pump pulley outer diameter is 150mm；Gearratio is 2:3.
Compression pump support is formed by the casting of HT200 material, and the thickness of two (vertically) upper arms in compression pump support front end is respectively as follows: 15mm and 9mm.Horizontal stiffener thickness in the middle of two upper arms is 11mm.The effect of upper arm is to reduce side face four to install the shearing force suffered by bolt.
Compression pump cradle top installed surface and vertical installation surface are 70 °, and compression pump installed surface is with the horizontal 20 degree of angles in other words.Purpose be make compression pump install after, make compression pump tilt outside diesel engine, it is to avoid with on diesel engine other parts interfere, simultaneously ensure polycrystalline substance try one's best shrink, reduction complete machine width, make structure compacter.
Compression pump cradle top installed surface center has repeated hole, it is therefore an objective to mitigates the deadweight of support, makes the oil return connecting tube of compression pump bottom centre pass through from this hole simultaneously.The thickness of three vertical reinforcements inside compression pump cradle top installed surface and vertical installation surface is 8mm, the support force of reinforced support top installed surface.The thickness of compression pump support right arm is 10mm.
The width of support regulating wheel chute is 11mm, a length of 56mm, it is ensured that regulating wheel has enough amount of tension.The root of the fastening bolt 9 of regulating wheel is designed as square, and square thickness is 10.5mm.The fastening bolt of square structure passes through regulating wheel chute inside support, and coordinate with chute, so when tightening regulating wheel nut 10, prevent regulating wheel fastening bolt from rotating together, fastening bolt root uses square structure (when mounted) not need to clamp regulating wheel fastening bolt with spanner is fixing, makes easier for installation.
It with the diesel engine compression pump supporting device of belt tightening regulation, is entirely and is designed according to specific diesel engine compression pump structure, compression pump support is integrated with regulating wheel and installs and adjustment structure, and make compression pump maintenance convenient.This structure is arranged on NGD3.0 diesel engine, applies respond well.
Claims (4)
1. the diesel engine compression pump supporting device with belt tightening regulation, comprise compression pump, compression pump belt pulley, compression pump support, regulating wheel, regulating wheel cushion block, tensioning regulation bolt, crank pulley and driving belt, it is characterized in that: the top installed surface (1-1) of compression pump support (1) is provided with 4 installing holes；Compression pump support right arm (1-2) is provided with regulating wheel chute (1-3) and tensioning regulation bolt mounting holes (1-4)；Compression pump support front end is vertical installation surface (1-5)；The top of vertical installation surface is provided with two upper arms (1-6) perpendicular with this installed surface；Compression pump cradle top installed surface and vertical installation surface are 70 °, compression pump (2) tilts to be fixed on compression pump cradle top installed surface, the train that compression pump is made up of compression pump belt pulley (3), crank pulley (4) and regulating wheel (5), is driven by driving belt (6).
null2. according to the diesel engine compression pump supporting device regulating with belt tightening described in claim 1，It is characterized in that: described tensioning regulation bolt mounting holes is unthreaded hole，Hole end surface is perpendicular to regulating wheel chute，Described regulating wheel cushion block (7) is divided into upper and lower two parts，Bottom is column structure，Cylindrical center is machined with unthreaded hole，Top is an internal thread pipeline section perpendicular with bottom unthreaded hole，Tensioning regulation bolt (8) passes through tensioning and regulates bolt mounting holes，Screw in the internal thread pipeline section of regulating wheel cushion block，Regulating wheel fastening bolt (9) passes back through regulating wheel chute from compression pump support right arm、The unthreaded hole of regulating wheel cushion block bottom is connected with regulating wheel，The root of regulating wheel fastening bolt is designed as square，Square root is positioned at chute and coordinates with chute，Rotate tensioning regulation bolt，Regulating wheel is driven to move forward and backward by the displacement of regulating wheel cushion block，Realize the regulation to driving belt rate of tension.
3. according to the diesel engine compression pump supporting device regulating with belt tightening described in claim 1, it is characterized in that: two vertical upper arms of compression pump support are provided with horizontal stiffener (1-7), compression pump cradle top installed surface center is provided with repeated hole (1-8), is welded with vertical reinforcement (1-9) inside compression pump cradle top installed surface with vertical installation surface.
4. according to the diesel engine compression pump supporting device regulating with belt tightening described in claim 1, it is characterized in that: described crank pulley has large and small two belt wheels, described compression pump is driven by small pulley (4-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620120339.XU CN205714429U (en) | 2016-02-15 | 2016-02-15 | Diesel engine compression pump supporting device with belt tightening regulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620120339.XU CN205714429U (en) | 2016-02-15 | 2016-02-15 | Diesel engine compression pump supporting device with belt tightening regulation |
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| Publication Number | Publication Date |
|---|---|
| CN205714429U true CN205714429U (en) | 2016-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620120339.XU Withdrawn - After Issue CN205714429U (en) | 2016-02-15 | 2016-02-15 | Diesel engine compression pump supporting device with belt tightening regulation |
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| CN (1) | CN205714429U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105626252A (en) * | 2016-02-15 | 2016-06-01 | 东风朝阳朝柴动力环保科技有限公司 | Diesel engine compression pump supporting mechanism with belt tension degree regulating mechanism |
-
2016
- 2016-02-15 CN CN201620120339.XU patent/CN205714429U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105626252A (en) * | 2016-02-15 | 2016-06-01 | 东风朝阳朝柴动力环保科技有限公司 | Diesel engine compression pump supporting mechanism with belt tension degree regulating mechanism |
| CN105626252B (en) * | 2016-02-15 | 2018-02-16 | 东风朝阳朝柴动力环保科技有限公司 | Diesel engine compression pump supporting device with belt tightening regulation |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161123 Effective date of abandoning: 20180216 |