CN204961290U - Interior external toothing trigeminy combination gear type wheel cylinder - Google Patents
Interior external toothing trigeminy combination gear type wheel cylinder Download PDFInfo
- Publication number
- CN204961290U CN204961290U CN201520675744.3U CN201520675744U CN204961290U CN 204961290 U CN204961290 U CN 204961290U CN 201520675744 U CN201520675744 U CN 201520675744U CN 204961290 U CN204961290 U CN 204961290U
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- Prior art keywords
- pump
- gear pump
- joining plate
- gear
- driving gear
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- Withdrawn - After Issue
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Abstract
The utility model provides an interior external toothing trigeminy combination gear type wheel cylinder, including a crescent gear pump and two external gear pump, crescent gear pump's main shaft is connected with the one end of the 2nd external gear pump's driving tooth shaft, the other end of the 2nd external gear pump's driving tooth shaft meshes with an external gear pump's driving tooth shaft mutually. The utility model discloses a two ally oneself with external gear pump stack no. 1 allies oneself with crescent gear pump constitution trigeminy combination gear type wheel cylinder, has two oil inlets, three oil -out, and the transmission oil and the hydraulic oil that can be used to two kinds of differences carry out work, can be applied to and seal on the polydisc wet brake fork truck. Compact structure, little, the light in weight of size in addition, and the transmission is steady, the oil absorption condition is more good, and the anti -soil ability is stronger, and the noise is littleer.
Description
Technical field
The utility model relates to a kind of gear pump, is specifically related to a kind of interior outer gearing three combinating Type Gear Pump.
Background technique
Enclosed Multi-Disk Wet Brake is the most reliable most advanced break in the world today, is widely used on mining machinery, but it does not almost apply on medium and small tonnage fork car.This is because Enclosed Multi-Disk Wet Brake needs a circulating cooling pump, but be subject to the restriction of fork truck PTO mouth, combination triple gear pump can only be equipped with, one of them is for working gear pump, one for brake tooth wheel pump, another for ransaxle circulating cooling gear pump, and works in two media, transmission oil and hydraulic oil.But existing treble pump is all external gear pump, its physical dimension is comparatively large, and noise is large, and stain resistance is poor, can only work in a kind of medium, cannot be applied on equipped Enclosed Multi-Disk Wet Brake fork truck.In addition, by existing three external gear pump structural analyses, find that its physical dimension is comparatively large, cannot be applied on the fork truck of existing band wet brake.
For the problems referred to above, need to have designed and developed a kind of novel novel treble pump being adapted to Enclosed Multi-Disk Wet Brake and applying on fork truck.
Model utility content
The purpose of this utility model is exactly to solve above-mentioned Problems existing, and provide a kind of interior outer gearing three combinating Type Gear Pump, its physical dimension is little, stable drive, noise are little, long service life, stain resistance are strong, oil absorption good, volumetric efficiency is high; And can be operated in two kinds of different working mediums, solve and cannot be applied to problem on equipped Enclosed Multi-Disk Wet Brake fork truck.
The technical solution of the utility model is:
Outer gearing three combinating Type Gear Pump in a kind of, comprise a crescent gear pump and two external gear pumps, the main shaft of described crescent gear pump is connected with one end of the driving gear shaft of the second external gear pump, and the other end of the driving gear shaft of described second external gear pump is meshed with the driving gear shaft of the first external gear pump.
Further scheme, described first external gear pump comprises the front pump housing, is provided with intermeshing front pump driving gear axle, front pump driven gear axle in the cavity of the described front pump housing; Be located by connecting protecgulum, rear end, the front end of the front pump housing has been located by connecting front joining plate;
Described second external gear pump comprises middle pump body, is provided with intermeshing middle pump driving gear shaft, middle pump driven gear shaft in the cavity of described middle pump body; Front end and the front joining plate of middle pump body are located by connecting, rear mistake has been located by connecting rear joining plate;
Described crescent gear pump comprises the rear pump housing, and be provided with main shaft in the cavity of the described rear pump housing, described rear-end of spindle is arranged with internal rotor, and described internal rotor engages an external rotor; The described rear pump housing front end and rear joining plate are located by connecting, rear end has been located by connecting bonnet;
Described main shaft is connected by cross shaped joint one end with middle pump driving gear shaft, and the other end of middle pump driving gear shaft is meshed with front pump driving gear axle.
Further scheme, the front end of the rear end of described protecgulum, the two ends of the front pump housing, the two ends of front joining plate, the two ends of rear joining plate and bonnet offers at least four positioning holes for being located by connecting respectively.
Further scheme, described front pump driving gear axle, front pump driven gear axle, middle pump driving gear shaft and middle pump driven gear shaft periphery are arranged with respectively just carries on the back bearing.
Further scheme, described middle pump driving gear shaft and middle pump driven gear shaft entirety are located in solid box, and are located in middle pump body cavity by solid box.
Further scheme, the ear end face of described bonnet is provided with the first independent filler opening and the first oil outlet, and medium enters crescent gear pump from the first filler opening, finally returns from the first oil outlet and circulates; Described front joining plate is provided with the second filler opening and the second oil outlet, rear joining plate is provided with the 3rd oil outlet, the second filler opening on medium the past joining plate enters in the first external gear pump, then enter in the second external gear pump through the second oil outlet, finally from rear joining plate, the 3rd oil outlet returns and circulates.
The utility model adopts two external gear pumps to superpose a crescent gear pump to form three combinating Type Gear Pump, and wherein first and second connection is external gear pump, and hydraulic fluid port is that side is entered side and gone out, a filler opening, two oil outlets; 3rd is crescent gear pump, and hydraulic fluid port is independently last-in, last-out.Namely interior outer gearing three combinating Type Gear Pump of the present utility model has two filler openings, three oil outlets, can be used for carrying out work in two kinds of different media, as transmission oil and hydraulic oil, can be applicable on Enclosed Multi-Disk Wet Brake fork truck.Be specially: negotiable a kind of medium in crescent gear pump, this medium enters in crescent gear pump from the filler opening the bonnet of crescent gear pump, finally returns from oil outlet and circulates; And another medium negotiable in the first external gear pump and the second external gear pump, this medium enters in the first external gear pump from the filler opening the past joining plate, then the oil outlet on premenstrual joining plate enters in the second external gear pump, finally returns from oil outlet rear joining plate and circulates.
In addition, the external gear pump of wherein front two gear pumps employings, rear gear pump adopts internal messing cycloid gear pump, and compact structure, size are little, lightweight, can use on the fork truck of existing band wet brake.In addition, stable drive, oil suction condition are more good, and stain resistance is stronger, and noise is less.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Fig. 1 is plan view of the present invention.
Fig. 2 is the A-A sectional view in Fig. 1.
Fig. 3 is the B-B sectional view in Fig. 1.
Fig. 4 is the C-C sectional view in Fig. 1.
Fig. 5 is the plan view of front joining plate of the present invention.
Fig. 6 is the D-D sectional view in Fig. 5.
Fig. 7 is the plan view of rear joining plate of the present invention.
Fig. 8 is the E-E sectional view in Fig. 7.
Fig. 9 is the plan view of bonnet of the present invention.
Figure 10 is the F-F sectional view in Fig. 9.
In figure: 1-front pump driving gear axle, 2-protecgulum, 3-just carries on the back bearing, 4-side plate, the pump housing before 5-, 6-front pump driven gear axle, joining plate before 7-, 8-middle pump body, pump driving gear shaft in 9-, pump driven gear shaft in 10-, 11-solid box, joining plate after 12-, 13-cross shaped joint, the pump housing after 14-, 15-main shaft, 16-internal rotor, 17-external rotor, 18-bonnet, 19-positioning hole, 20-1 first filler opening, 20-2 second filler opening, 21-1 first oil outlet, 21-2 second oil outlet, 21-3 the 3rd oil outlet, 22-oil duct.
Embodiment
Outer gearing three combinating Type Gear Pump in a kind of, comprise a crescent gear pump and two external gear pumps, the main shaft of described crescent gear pump is connected with one end of the driving gear shaft of the second external gear pump, and the other end of the driving gear shaft of described second external gear pump is meshed with the driving gear shaft of the first external gear pump.
As shown in Figure 1, the first external gear pump comprises the front pump housing 5, is provided with intermeshing front pump driving gear axle 1, front pump driven gear axle 6 in the cavity of the described front pump housing 5; Be located by connecting protecgulum 2, rear end, the front end of the front pump housing 5 has been located by connecting front joining plate 7;
Described second external gear pump comprises middle pump body 8, is provided with intermeshing middle pump driving gear shaft 9, middle pump driven gear shaft 10 in the cavity of described middle pump body 8; Front end and the front joining plate 7 of middle pump body 8 are located by connecting, rear mistake has been located by connecting rear joining plate 12;
Described crescent gear pump comprises the rear pump housing 14, is provided with main shaft 15 in the cavity of the described rear pump housing 14, and described main shaft 15 rear end is arranged with internal rotor 16, and described internal rotor 16 engages an external rotor 17; Front end and the rear joining plate 12 of the described rear pump housing 14 are located by connecting, rear end has been located by connecting bonnet 18;
Described main shaft 15 is connected with one end of middle pump driving gear shaft 9 by cross shaped joint 13, and the other end of middle pump driving gear shaft 9 is meshed with front pump driving gear axle 1.
Further scheme, described front pump driving gear axle 1, front pump driven gear axle 6, middle pump driving gear shaft 9 and middle pump driven gear shaft 10 periphery are arranged with just back of the body bearing 3 respectively.
Described middle pump driving gear shaft 9 and middle pump driven gear shaft 10 entirety are located in solid box 11, and are located in middle pump body 8 cavity by solid box 11.
Further scheme, as shown in Fig. 2-5,7,9, the front end of the rear end of protecgulum 2, the two ends of the front pump housing 5, the two ends of front joining plate 7, the two ends of rear joining plate 12 and bonnet 18 offers at least four positioning holes 19 for being located by connecting respectively.
Be illustrated in figure 2 the A-A sectional view in Fig. 1, the two ends of the front pump housing 5 offer four positioning holes 19 for being located by connecting, intermeshing front pump driving gear axle 1, front pump driven gear axle 6 is provided with in the cavity of the front pump housing 5, and into and out of the oil duct 22 of medium.
As shown in Fig. 3,5,6, the two ends of front joining plate 7 offer four positioning holes 19 for being located by connecting, front joining plate 7 is provided with the second filler opening 20-2 and the second oil outlet 21-2, its inside offers the oil duct 22 that the second filler opening 20-2 and the first external gear pump communicate, and the oil duct 22 that the second oil outlet 21-2 communicates with the first external gear pump, the second external gear pump respectively.The second filler opening 20-2 on medium the past joining plate 7 enters in the first external gear pump, then enters in the second external gear pump through the second oil outlet 21-2.
As shown in Fig. 4,7,8, the two ends of rear joining plate 12 offer four positioning holes 19 for being located by connecting, and rear joining plate 12 is provided with the 3rd oil outlet 21-3, return circulate in the second external gear pump from matter from the 3rd oil outlet 21-3.
As shown in Fig. 9,10, the front end of bonnet 18 offers four positioning holes 19 for being located by connecting, the ear end face of bonnet 18 is provided with the first independent filler opening 20-1 and the first oil outlet 21-1, the oil duct 22 communicated with the first filler opening 20-1 and the first oil outlet 21-1 is respectively offered in bonnet 18, medium enters crescent gear pump from the first filler opening 20-1, finally returns from the first oil outlet 21-1 and circulates.
Interior outer gearing three combinating Type Gear Pump of the present utility model has two filler openings, three oil outlets, can be used for carrying out work in two kinds of different media, as transmission oil and hydraulic oil, can be applicable on Enclosed Multi-Disk Wet Brake fork truck.
Above embodiment is not limited only to protection domain of the present utility model, all modify based on basic thought of the present utility model or change all belong to protection domain of the present utility model.
Claims (6)
1. outer gearing three combinating Type Gear Pump in a kind, comprise a crescent gear pump and two external gear pumps, it is characterized in that: the main shaft of described crescent gear pump is connected with one end of the driving gear shaft of the second external gear pump, the other end of the driving gear shaft of described second external gear pump is meshed with the driving gear shaft of the first external gear pump.
2. outer gearing three combinating Type Gear Pump in one according to claim 1, it is characterized in that: described first external gear pump comprises the front pump housing (5), in the cavity of the described front pump housing (5), be provided with intermeshing front pump driving gear axle (1), front pump driven gear axle (6); Be located by connecting protecgulum (2), rear end, the front end of the front pump housing (5) has been located by connecting front joining plate (7);
Described second external gear pump comprises middle pump body (8), is provided with intermeshing middle pump driving gear shaft (9), middle pump driven gear shaft (10) in the cavity of described middle pump body (8); Front end and the front joining plate (7) of middle pump body (8) are located by connecting, rear mistake has been located by connecting rear joining plate (12);
Described crescent gear pump comprises the rear pump housing (14), and be provided with main shaft (15) in the cavity of the described rear pump housing (14), described main shaft (15) rear end is arranged with internal rotor (16), and described internal rotor (16) engages an external rotor (17); The front end of the described rear pump housing (14) and rear joining plate (12) is located by connecting, rear end has been located by connecting bonnet (18);
Described main shaft (15) is connected by cross shaped joint (13) one end with middle pump driving gear shaft (9), and the other end of middle pump driving gear shaft (9) is meshed with front pump driving gear axle (1).
3. outer gearing three combinating Type Gear Pump in one according to claim 2, is characterized in that: the two ends of the rear end of described protecgulum (2), the two ends of the front pump housing (5), the two ends of front joining plate (7), rear joining plate (12) and the front end of bonnet (18) offer at least four positioning holes (19) for being located by connecting respectively.
4. outer gearing three combinating Type Gear Pump in one according to claim 2, is characterized in that: described front pump driving gear axle (1), front pump driven gear axle (6), middle pump driving gear shaft (9) and middle pump driven gear shaft (10) periphery are arranged with respectively has just carried on the back bearing (3).
5. outer gearing three combinating Type Gear Pump in one according to claim 2, it is characterized in that: described middle pump driving gear shaft (9) and middle pump driven gear shaft (10) entirety are located in solid box (11), and be located in middle pump body (8) cavity by solid box (11).
6. outer gearing three combinating Type Gear Pump in one according to claim 2, it is characterized in that: the ear end face of described bonnet (18) is provided with independent the first filler opening (20-1) and the first oil outlet (21-1), medium enters crescent gear pump from the first filler opening (20-1), finally returns from the first oil outlet (21-1) and circulates; Described front joining plate (7) is provided with the second filler opening (20-2) and the second oil outlet (21-2), rear joining plate (12) is provided with the 3rd oil outlet (21-3), the second filler opening (20-2) on medium the past joining plate (7) enters in the first external gear pump, then enter in the second external gear pump through the second oil outlet (21-2), finally from rear joining plate (12), the 3rd oil outlet (21-3) returns and circulates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520675744.3U CN204961290U (en) | 2015-09-02 | 2015-09-02 | Interior external toothing trigeminy combination gear type wheel cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520675744.3U CN204961290U (en) | 2015-09-02 | 2015-09-02 | Interior external toothing trigeminy combination gear type wheel cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204961290U true CN204961290U (en) | 2016-01-13 |
Family
ID=55056360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520675744.3U Withdrawn - After Issue CN204961290U (en) | 2015-09-02 | 2015-09-02 | Interior external toothing trigeminy combination gear type wheel cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204961290U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065257A (en) * | 2015-09-02 | 2015-11-18 | 安徽合力股份有限公司 | Internal and external meshing triple combination type gear pump |
| CN107939671A (en) * | 2017-10-19 | 2018-04-20 | 浙江大学 | A kind of tandem low pulse crescent gear pump with error angle |
| CN111005867A (en) * | 2019-12-25 | 2020-04-14 | 潍柴动力股份有限公司 | Driving shaft connecting structure of pump and combined gear pump |
| CN111550400A (en) * | 2020-05-14 | 2020-08-18 | 天津市百利溢通电泵有限公司 | Axial-flow type inner gearing displacement pump with outer rotor provided with rubber inner bushing |
-
2015
- 2015-09-02 CN CN201520675744.3U patent/CN204961290U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065257A (en) * | 2015-09-02 | 2015-11-18 | 安徽合力股份有限公司 | Internal and external meshing triple combination type gear pump |
| CN105065257B (en) * | 2015-09-02 | 2017-06-16 | 安徽合力股份有限公司 | A kind of combinating Type Gear Pump of interior external toothing three |
| CN107939671A (en) * | 2017-10-19 | 2018-04-20 | 浙江大学 | A kind of tandem low pulse crescent gear pump with error angle |
| CN111005867A (en) * | 2019-12-25 | 2020-04-14 | 潍柴动力股份有限公司 | Driving shaft connecting structure of pump and combined gear pump |
| CN111005867B (en) * | 2019-12-25 | 2021-10-08 | 潍柴动力股份有限公司 | Driving shaft connecting structure of pump and combined gear pump |
| CN111550400A (en) * | 2020-05-14 | 2020-08-18 | 天津市百利溢通电泵有限公司 | Axial-flow type inner gearing displacement pump with outer rotor provided with rubber inner bushing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160113 Effective date of abandoning: 20170616 |