CN202483867U - Dual-gear fuel pump for mobile refueling tank truck - Google Patents
Dual-gear fuel pump for mobile refueling tank truck Download PDFInfo
- Publication number
- CN202483867U CN202483867U CN2012200880417U CN201220088041U CN202483867U CN 202483867 U CN202483867 U CN 202483867U CN 2012200880417 U CN2012200880417 U CN 2012200880417U CN 201220088041 U CN201220088041 U CN 201220088041U CN 202483867 U CN202483867 U CN 202483867U
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- China
- Prior art keywords
- oil pump
- gear
- fuel pump
- shift fork
- transfer case
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Abstract
A dual-gear fuel pump for a mobile refueling tank truck belongs to the technical field of a displacement pump, particularly relates to a series adjustable dual pump. The dual-gear fuel pump comprises a first fuel pump (3), a second fuel pump (8) and a transfer case (5) connected in series between the first fuel pump and the second fuel pump, and is characterized in that one end of a power input shaft (13) is spline-connected with a sliding gear (14) in the transfer case (5) after passing through the second fuel pump (8); the sliding gear (14) is respectively connected with a first fuel pump spindle (1) and a second fuel pump spindle (7) through two transmission wheels (6) which are arranged above and meshed with the sliding gear (14); one side outside the transfer case (5) is further provided with a shifting fork adjusting device; and the sliding gear (14) and the two transmission wheels (6) are regulated and controlled through the shifting fork adjusting device to be converted between a single meshed transmission and a simultaneous meshed transmission. The dual-gear fuel pump for the mobile refueling tank truck has the advantages of saved space, convenience in installation, adjustable output power and wide scope of application and realizes free conversion between single-pump work and dual-pump work.
Description
Technical field
The mobile automobile-used duplicate gear oil pump of filling tank belongs to the displacement pump technical field, is specifically related to the adjustable duplex pump of a kind of series connection.
Background technique
Two storehouse fuel tanks are tank cars of two kinds of different oil plants of splendid attire (like gasoline and diesel oil) simultaneously, this two storehouse fuel tanks and the fuel tank of adorning single oil plant Comparatively speaking, the vehicle that is vehicle, particularly field work can be saved a part of cost of transportation when refueling.Two storehouse fuel tanks like dress by the power-actuated oil transfer pump of two covers, the common more complicated of system, but as with two pumps with a gear-box be linked together, import power with same power input shaft, promptly form double-united oil pump, simplified system to a great extent.
At present; The most frequently used double-united oil pump has two kinds of patterns of parallel connection and series connection, and parallel connection is the same side that transfer case is contained in two table oil pumps, and transfer case one end is provided with two output shafts; Drive two table oil pumps respectively through two output shafts, i.e. two table oil pumps parallel installation on axis.The shortcoming of this pattern is that pump group width is bigger, because the inboard spacing with transmission shaft of vehicle frame has certain narrow limitation, difficulty is installed; Two 1 kinds is series connection; Series connection is the centre that transfer case is installed in two table oil pumps, and the axis that makes two pumps has so not only reduced the width of pump group point-blank; And it is easy for installation; But the duplex pump of the great majority that adopt at present series connection can not be realized freely changing of single pump work and double pump work mostly simultaneously, and certain narrow limitation is arranged on the size of outputting power, and using scope is limited.
Summary of the invention
The technical problem that the utility model will solve is: overcome the deficiency of existing technology, a kind of easy for installation, applied widely, automobile-used duplicate gear oil pump of mobile filling tank of realizing single pump work and the conversion of double pump freedom to work is provided.
The utility model solves the technological scheme that its technical problem adopted: the automobile-used duplicate gear oil pump of this mobile filling tank; Comprise first oil pump, second oil pump and be connected on transfer case between the two; It is characterized in that: power input shaft one end passes the shifting slide gear in second oil pump and the splined transfer case; Two drive wheels that shifting slide gear is meshed with it through the top connect the first oil pump main shaft and the second oil pump main shaft respectively; The outside side of transfer case also is provided with a shift fork controlling device, regulates independent engagement driving and the conversion between the while engagement driving between control shifting slide gear and two drive wheels through the shift fork controlling device.Adopt the mode of series connection to connect two oil pumps, save space, easy for installation, realize the mutual conversion between single pump work and the double pump work through shifting slide gear and corresponding shift fork controlling device.
Described shift fork controlling device; The shift fork controlling device comprise gearcase be installed in tooth bar in the gearcase, with the adjusting gear of tooth bar engagement, with the joining shift fork of tooth bar and pull bar and supporting axle that shift fork is installed, shift fork one end contacts connection with shifting slide gear.The variation of controlling the position, engaging position between shifting slide gear and the drive wheel through the gear rack transmission is with fixing, safe and reliable, convenient and strength-saving.
Install through the bearing air cover of first oil pump and second oil pump and the cylindrical centering of stifle respectively described transfer case casing both sides.Centering accurately guarantees that fully the main shaft of two oil pumps is installed with one heart, guarantees power output.
The described first oil pump main shaft the other end is installed the first oil pump driving wheel, and the first oil pump driving wheel is installed the first oil pump driven shaft through the first oil pump follower.
The described second oil pump main shaft the other end is installed the second oil pump driving wheel, and the second oil pump driving wheel connects power input shaft through the second oil pump follower that is meshed with it.The second oil pump follower is installed on the power input shaft with check ring through ball bearing and axle, also relative rotating when guaranteeing that the second oil pump main shaft and power input shaft can be independent of each other.
Compared with prior art, the beneficial effect that the utility model had is:
1, it is adjustable to be installed in series, to save the output of space, power: adopt the mode of series connection to connect two oil pumps, the installing space and the installation and maintenance of more saving enclosure interior are convenient; Moreover, through shifting slide gear and equipped with it shift fork controlling device are set, realized the mutual conversion between single pump work and the double pump work easily.
2, safe and reliable, convenient and strength-saving: the shift fork controlling device adopts the gear rack transmission to regulate, and is safe and reliable, convenient and swift, can guarantee the stationarity of transmission, the stability after guaranteeing again to regulate.
3, feel relieved accurately, guarantee coaxality: transfer case casing both sides are passed through the cylindrical centering installation of the bearing air cover of first oil pump and second oil pump respectively, guarantee that fully the main shaft of two oil pumps is installed with one heart, guarantee power output efficiency.
Description of drawings
Fig. 1 is the utility model plan view cross-sectional schematic.
Fig. 2 is the A-A cross-sectional schematic of the utility model Fig. 1.
Fig. 3 is the B-B cross-sectional schematic of the utility model Fig. 2.
Fig. 4 is the C-C cross-sectional schematic of the utility model Fig. 2.
Wherein: 1, the first oil pump main shaft 2, the first oil pump driving wheel 3, first oil pump 4, cover 5 thoroughly, transfer case 6, drive wheel 7, the second oil pump main shaft 8, second oil pump 9, the second oil pump driving wheel 10, bolt 11, bearing 12, the second oil pump follower 13, power input shaft 14, shifting slide gear 15, stifle 16, the first oil pump driven shaft 17, the first oil pump follower 18, gearcase 19, tooth bar 20, adjusting gear 21, shift fork 22, supporting axle 23, pull bar.
Fig. 1～4th, the most preferred embodiment of the utility model further specifies below in conjunction with 1～4 pair of the utility model of accompanying drawing:
Embodiment
With reference to accompanying drawing 1～4:
The automobile-used duplicate gear oil pump of filling tank that should flow mainly comprises the first oil pump main shaft 1, the first oil pump driving wheel 2, first oil pump 3, transfer case 5, drive wheel 6, the second oil pump main shaft 7, second oil pump 8, the second oil pump driving wheel 9, the second oil pump follower 12, power input shaft 13, shifting slide gear 14, the first oil pump driven shaft 16 and the first oil pump follower 17.Transfer case 5 is connected between first oil pump 3 and second oil pump 8; Be fixedly connected with two oil pumps; Install through the bearing air cover 4 of first oil pump 3 and second oil pump 8 and the cylindrical centering of stifle 15 respectively transfer case 5 casing both sides, and shifting slide gear 14 and drive wheel 6 are installed in the transfer case 5; Power input shaft 13 1 ends pass the shifting slide gear 14 in second oil pump 8 and the splined transfer case 5; Shifting slide gear 14 is in the adjustable positions of power input shaft 13; Shifting slide gear 14 tops are meshed with two drive wheels 6, and two drive wheels 6 connect the first oil pump main shaft 1 and the second oil pump main shaft, 7 ends through key respectively.
The first oil pump main shaft, 1 the other end is installed the first oil pump driving wheel, 2, the first oil pump driving wheels 2 and through the first oil pump follower 17 the first oil pump driven shaft 16 is installed; The second oil pump main shaft, 7 the other ends are installed the second oil pump driving wheel 9; The second oil pump driving wheel 9 connects power input shaft 13, the second oil pump followers 12 through the second oil pump follower 12 that is meshed with it and is installed on the power input shaft 13 with check ring through ball bearing and axle.
Transfer case 5 one sides also can be provided with the shift fork controlling device of adjusting shifting slide gear 14 engaging position; The shift fork controlling device comprise gearcase 18 be installed in the tooth bar 19 in the gearcase 18, the adjusting gear 20 that is meshed with tooth bar 19, with the supporting axle 22 of tooth bar 19 joining shift forks 21 and pull bar 23 and installation shift fork; Shift fork 21 1 ends contact connection with shifting slide gear 14; Shifting slide gear 14 is provided with three engaging position, left, center, right, can on power input shaft 13, slide.
Working procedure is following:
The utility model is when work; Power input shaft 13 connects input power through the axle head coupling with the automobile auxiliary drive shaft; Power input shaft 13 rotates and drives shifting slide gear 14 rotations; Shifting slide gear 14 drives two drive wheels, 6 rotations that its top is meshed with it, and two drive wheels 6 drive the first oil pump main shaft 1 and 7 rotations of the second oil pump main shaft respectively, and the first oil pump main shaft 1 rotates through the first oil pump driving wheel 2 and the first oil pump follower, 17 drives, the first oil pump driven shaft 16 that is meshed.
Simultaneously, shifting slide gear 14 is provided with three engaging position, left, center, right, can regulate through the shift fork controlling device; Pulling is contained in the pull bar 23 in the gearcase 18, and pull bar 23 is handled by the backguy that is contained in the flexible axle controller on the automobile, and pull bar 23 drives tooth bar 19 and moves; Tooth bar 19 is meshed with adjusting gear 20, because tooth bar 19 links with shift fork 21, shift fork 21 contacts connection with shifting slide gear 14 again; Therefore, tooth bar 19 drives shift fork 21 and on supporting axle 22, moves, and shift fork 21 moves the position of drive shifting slide gear 14 on power input shaft 13 and is moved; When shifting slide gear 14 moved to left end, engagement driving can only take place with the drive wheel 6 of installation on the first oil pump main shaft 1 in shifting slide gear 14 tops, like this; Be exactly first oil pump, 3 single movements, second oil pump 8 is not worked.
In like manner, when shifting slide gear 14 moved to the neutral position, shifting slide gear 14 and two drive wheels 6 meshed simultaneously, and corresponding, two table oil pumps are worked simultaneously; When shifting slide gear 14 moved to right end position, shifting slide gear 14 can only be meshed with the drive wheel 6 of installation on the second oil pump main shaft 7, and was corresponding, can only work independently by second oil pump 8.
In addition because the second oil pump follower 12 is installed on the power input shaft 13 with check ring through ball bearing and axle, therefore, when the second oil pump main shaft 7 can be independent of each other with power input shaft 13 and relative to rotate.
The above; It only is the preferred embodiment of the utility model; Be not to be the restriction of the utility model being made other form, any professional and technical personnel of being familiar with possibly utilize the technology contents of above-mentioned announcement to change or be modified as the equivalent embodiment of equivalent variations.But every the utility model technological scheme content that do not break away to any simple modification, equivalent variations and remodeling that above embodiment did, still belongs to the protection domain of the utility model technological scheme according to the technical spirit of the utility model.
Claims (5)
1. the automobile-used duplicate gear oil pump of filling tank flows; Comprise first oil pump (3), second oil pump (8) and be connected on transfer case (5) between the two; It is characterized in that: power input shaft (13) one ends pass the shifting slide gear (14) in second oil pump (8) and the splined transfer case (5); Two drive wheels (6) that shifting slide gear (14) is meshed with it through the top connect the first oil pump main shaft (1) and the second oil pump main shaft (7) respectively; The outside side of transfer case (5) also is provided with a shift fork controlling device, regulates independent engagement driving and the conversion between the engagement driving simultaneously between control shifting slide gear (14) and two drive wheels (6) through the shift fork controlling device.
2. the automobile-used duplicate gear oil pump of mobile filling tank according to claim 1; It is characterized in that: described shift fork controlling device comprise gearcase (18) and be installed in tooth bar (19) in the gearcase (18), with the adjusting gear (20) of tooth bar (19) engagement, with the supporting axle (22) of the joining shift fork of tooth bar (19) (21) with pull bar (23) and installation shift fork, shift fork (21) one ends contact connection with shifting slide gear (14).
3. the automobile-used duplicate gear oil pump of mobile filling tank according to claim 1 is characterized in that: install through the bearing air cover (4) of first oil pump (3) and second oil pump (8) and the cylindrical centering of stifle (15) respectively described transfer case (5) casing both sides.
4. according to claim 1 or the automobile-used duplicate gear oil pump of 3 described mobile filling tanks; It is characterized in that: described first oil pump main shaft (1) the other end is installed the first oil pump driving wheel (2), and the first oil pump driving wheel (2) is installed the first oil pump driven shaft (16) through the first oil pump follower (17).
5. according to claim 1 or the automobile-used duplicate gear oil pump of 3 described mobile filling tanks; It is characterized in that: described second oil pump main shaft (7) the other end is installed the second oil pump driving wheel (9), and the second oil pump driving wheel (9) connects power input shaft (13) through the second oil pump follower (12) that is meshed with it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200880417U CN202483867U (en) | 2012-03-09 | 2012-03-09 | Dual-gear fuel pump for mobile refueling tank truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200880417U CN202483867U (en) | 2012-03-09 | 2012-03-09 | Dual-gear fuel pump for mobile refueling tank truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202483867U true CN202483867U (en) | 2012-10-10 |
Family
ID=46958293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200880417U Expired - Fee Related CN202483867U (en) | 2012-03-09 | 2012-03-09 | Dual-gear fuel pump for mobile refueling tank truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202483867U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108569653A (en) * | 2018-07-12 | 2018-09-25 | 合肥仨力机械制造有限公司 | A kind of fork truck duplex gear pump |
-
2012
- 2012-03-09 CN CN2012200880417U patent/CN202483867U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108569653A (en) * | 2018-07-12 | 2018-09-25 | 合肥仨力机械制造有限公司 | A kind of fork truck duplex gear pump |
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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: 20121010 Termination date: 20150309 |
|
| EXPY | Termination of patent right or utility model |