CN208858557U - A kind of engineering machinery hydraulic gear pump - Google Patents
A kind of engineering machinery hydraulic gear pump Download PDFInfo
- Publication number
- CN208858557U CN208858557U CN201821493164.2U CN201821493164U CN208858557U CN 208858557 U CN208858557 U CN 208858557U CN 201821493164 U CN201821493164 U CN 201821493164U CN 208858557 U CN208858557 U CN 208858557U
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- Prior art keywords
- pump
- pump cover
- connecting rod
- connection
- annular
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Abstract
The utility model discloses a kind of engineering machinery hydraulic gear pumps, including pass through sequentially connected first pump cover of bolt, first pump housing, connection pump cover, second pump housing and the second pump cover；First pump cover side is fixedly installed with first annular seal space, and the first annular seal space side is fixedly installed with the first sealing gland；The connection pump cover includes third pump case, and the third pump case includes sequentially connected first fixing layer, the first insulating layer and temperature sense layer.The utility model is kept the sealing of product and dust-proof effect more preferable, is connected by the pump housing with the clamping of annular groove on pump cover, ensure that the stability that the pump housing and pump cover are directly connected to by the setting of dustband and sealing ring between the pump housing and pump cover；By the setting of fixed device, setting earhole places card slot, is aligned the earhole on the different pump housings and pump cover, is convenient for screwing bolts, guarantees that stable connection is reliable between the pump housing and pump cover.
Description
Technical field
The utility model belongs to gear pump parts technical field more particularly to a kind of engineering machinery hydraulic gear pump.
Background technique
With the development of industry, the operation strategies of hydraulic system are more and more wider, and it is important that gear oil, which ties up in hydraulic system,
Power source mechanism, the occasion of utilization is different, and the type of used pump is different, as a result, single-stage pump, duplex system pump and multiplex pump
The pump kind of equal various specifications is come into being, and two pump housing junction sealing effects and dust-proof effect of existing duplex gear pump are not
Ideal, since sealing effect and dust-proof effect are bad, easily reduces the service life of product in prolonged use.
Utility model content
The purpose of the utility model is to overcome problem above of the existing technology, provide a kind of engineering machinery hydraulic tooth
Wheel pump keeps the sealing of product and dust-proof effect more preferable by the setting of dustband between the pump housing and pump cover and sealing ring, passes through pump
Body is connected with the clamping of annular groove on pump cover, ensure that the stability that the pump housing and pump cover are directly connected to；Hydraulic gear pump is assembling
During, since the pump housing and pump cover are bolted, connection bolt is typically mounted on earhole, can there is earhole pair in this way
Quasi- problem, by the setting of fixed device, setting earhole places card slot, is aligned the earhole on the different pump housings and pump cover, is convenient for
Screwing bolts guarantee that stable connection is reliable between the pump housing and pump cover.
To realize above-mentioned technical purpose and the technique effect, the utility model is achieved through the following technical solutions:
A kind of engineering machinery hydraulic gear pump, including pass through sequentially connected first pump cover of bolt, first pump housing, connection pump
Lid, second pump housing and the second pump cover；
First pump housing includes the first pump case, and the first cavity is provided in first pump case, and the is equipped in first cavity
One driving gear shaft and the first driven gear shaft, form the first driving gear on first driving gear shaft, and described first
The first driven gear is formed on driven gear shaft, first driving gear and the first driven gear are meshed；
Second pump housing includes the second pump case, and the second cavity is provided in second pump case, and the is equipped in second cavity
Two driving gear shafts and the second driven gear shaft, form the second driving gear on second driving gear shaft, and described second
The second driven gear is formed on driven gear shaft, second driving gear and the second driven gear are meshed；
First pump cover side is fixedly installed with first annular seal space, and the first annular seal space side is fixedly installed with first
Sealing gland, first sealing gland side are provided with the recess hole matched with the first driving gear shaft, first sealing
It is intracavitary to be fixedly installed with gasket；
The connection pump cover includes third pump case, and the third pump case includes sequentially connected first fixing layer, the first guarantor
Warm layer and temperature sense layer are provided with third cavity in the third pump case, are movably installed with connection spline in the third cavity,
First driving gear shaft and the second driving gear shaft are connected by connecting spline；
First pump cover rear end is equipped with first annular slot, is connected with the first sealing ring in the first annular slot, described
First pump housing front end is equipped with the second annular groove, is connected with the first dustband in second annular groove, the first annular slot and
Second annular groove is concentric, and the first annular slot and the second annular groove pass through clamping connection；
Second pump housing rear end is equipped with third annular groove, is connected with the second sealing ring in the third annular groove, described
Second pump cover front end is equipped with fourth annular slot, is connected with the second dustband in the fourth annular slot, the third annular groove and
Four annular grooves are concentric, and the third annular groove and four annular grooves pass through clamping connection；
The connection pump cover bottom surface is movably installed with base device, and the base device includes bedframe, the bottom
Seat frame top of support is movably installed with damper, and the bedframe top edge is provided with first sliding groove, the first sliding groove top surface
It is slidably fitted with fixed device, the fixed device includes support rod and fixed fastener, and the support rod and fixed fastener are fixed
Connection, the bedframe bottom surface are fixedly installed with base baffle, and the base baffle top surface is fixedly installed with clutch disk,
Clutch disk top surface surrounding slidably connects first connecting rod, the second connecting rod, third connecting rod and the 4th connecting rod, institute
State first connecting rod and third connecting rod symmetrical configuration, second connecting rod and the 4th connecting rod symmetrical configuration, described first
Connecting rod includes the first fixed link and the first rotating bar, and first fixed link and the first rotating bar are rotatablely connected, and described second
The one end of connecting rod far from clutch disk is slidably connected with bedframe, the described one end of first rotating bar far from the first fixed link
It is fixedly installed with the first card adapter plate, the connection pump cover side is provided with the clamping groove matched with the first card adapter plate, the pedestal
Frame facet is provided with the second sliding slot matched with the second connecting rod.
Further, the gasket is polyurethane oil seal ring or O-shaped rubber ring.
Further, the bedframe bottom surface is rotatably connected to plate pulling device, and the plate pulling device includes rotation gear
Plate and rotary handle, the flap shutter and rotary handle rotation connection；
The number of the plate pulling device is 2, symmetrical configuration.
This beneficial effect is:
1, the utility model is by the clamping setting of the second annular groove on first annular slot on the first pump cover and first pump housing, makes the
The connection of one pump cover and first pump housing is more reliable and more stable, passes through on the first sealing ring in first annular slot and the second annular groove
The setting of one dustband improves the leakproofness and dust-proof effect of the first pump cover and the first pump housing junction；Pass through second pump housing
The clamping of fourth annular slot on upper third annular groove and the second pump cover is arranged, and makes the connection of second pump housing and the second pump cover more
It is reliable and stable, by the setting of the second dustband on the second sealing ring on third annular groove and fourth annular slot, improve second
The leakproofness and dust-proof effect of the pump housing and the second pump cover junction；By this connection setting at two, engineering machinery liquid is improved
The service life of knob wheel pump.
2, the utility model solves hydraulic gear pump during assembling, the earhole pair of appearance by the way that fixed device is arranged
Quasi- problem, earhole alignment issues are mainly bolted due to the pump housing and pump cover, connection bolt be typically mounted at the pump housing and
On the earhole of pump cover outer surface, to the difficult phenomenon of earhole alignment occur, make to connect bolt be difficult to by two neighboring part it
Between earhole, the utility model passes through the setting of fixed device, and fixed device can slide on bedframe, therefore be suitable for different positions
The connection for setting place's earhole places card slot by setting earhole, is aligned the earhole on the different pump housings and pump cover, convenient for screwing spiral shell
Bolt guarantees that stable connection is reliable between the pump housing and pump cover.
3, the utility model is by the setting of damper, and convenient for reducing hydraulic gear pump, generated noise is asked in use
It inscribes, on the base baffle of damper activity setting, easy to disassemble and use.
4, the utility model can be rotated the first rotating bar, make by the setting of base baffle when not using the hydraulic gear pump
The first card adapter plate in first rotating bar cooperates with the clamping groove for connecting pump cover side, makes the hydraulic gear pump and base device
Connection is more reliable and more stable, by rotation flap shutter and rotary handle, conveniently lifts the hydraulic gear pump, is convenient for the hydraulic tooth
Placement after wheel pump use；When needing to move the hydraulic gear pump, the second connecting rod can be pulled, the second connecting rod is made to exist
It is slided in second sliding slot, to drive the movement of the hydraulic gear pump.
Detailed description of the invention
Fig. 1 is the utility model structure diagram；
Fig. 2 is the first pump body structure schematic diagram；
Fig. 3 is the second pump body structure schematic diagram；
Fig. 4 is the second pump cover structure schematic diagram；
Fig. 5 is the first pump cover connection schematic diagram；
Fig. 6 is connection pump cover structure schematic diagram；
Fig. 7 is first annular slot structure schematic diagram；
Fig. 8 is base device structural schematic diagram；
Fig. 9 is base baffle and clutch disk connection schematic diagram；
Figure 10 is the local structure top view of the utility model.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
A kind of engineering machinery hydraulic gear pump as shown in Figure 1, including pass through sequentially connected first pump cover 1 of bolt, the
One pump housing 2, connection pump cover 3, second pump housing 4 and the second pump cover 5.
As shown in Fig. 2, first pump housing 2 includes the first pump case 21, the first cavity 211 is provided in the first pump case 21, first is empty
It is equipped with the first driving gear shaft 212 and the first driven gear shaft 213 in chamber 211, forms first on the first driving gear shaft 212
Driving gear 2121 forms the first driven gear 2131, the first driving gear 2121 and first on first driven gear shaft 213
Driven gear 2131 is meshed.
As shown in Figure 3 to Figure 4, second pump housing 4 includes the second pump case 41, is provided with the second cavity 411 in the second pump case 41, the
It is equipped with the second driving gear shaft 412 and the second driven gear shaft 413 in two cavitys 411, is formed on the second driving gear shaft 412
Second driving gear 4121 forms the second driven gear 4131,4121 He of the second driving gear on second driven gear shaft 413
Second driven gear 4131 is meshed；Second pump housing, 4 rear end is equipped with third annular groove 42, is connected with second in third annular groove 42
Sealing ring 421,5 front end of the second pump cover are equipped with fourth annular slot 51, are connected with the second dustband 511 in fourth annular slot 51, the
Three annular grooves 42 and four annular grooves 51 are concentric, and third annular groove 42 and four annular grooves 51 pass through clamping connection.
As shown in figure 5,1 side of the first pump cover is fixedly installed with first annular seal space 11, the fixed peace in 11 side of first annular seal space
Equipped with the first sealing gland 111,111 side of the first sealing gland is provided with the recess hole matched with the first driving gear shaft 212
1111, gasket 112 is fixedly installed in first annular seal space 11；Gasket 112 is polyurethane oil seal ring or O-shaped rubber ring.
As shown in fig. 6, connection pump cover 3 includes third pump case 31, third pump case 31 includes sequentially connected first fixing layer
311, the first insulating layer 312 and temperature sense layer 313, are provided with third cavity 314 in third pump case 31, living in third cavity 314
Dynamic to be equipped with connection spline 315, the first driving gear shaft 212 is connected with the second driving gear shaft 412 by connecting spline 315
It connects.
As shown in fig. 7,1 rear end of the first pump cover is equipped with first annular slot 12, the first sealing is connected in first annular slot 12
Circle 121, first pump housing, 2 front end are equipped with the second annular groove 22, are connected with the first dustband 221, the first ring in the second annular groove 22
Shape slot 12 and the second annular groove 22 are concentric, and first annular slot 12 and the second annular groove 22 pass through clamping connection.
As shown in Fig. 8 to Figure 10, connection 3 bottom surface of pump cover is movably installed with base device 6, and base device 6 includes pedestal
Frame 61,61 top surface of bedframe are movably installed with damper 62, and 61 top edge of bedframe is provided with first sliding groove 611, the
One sliding slot, 611 top surface is slidably fitted with fixed device 612, and fixed device 612 includes support rod 6121 and fixed fastener 6122,
Support rod 6121 is fixedly connected with fixed fastener 6122, and 61 bottom surface of bedframe is fixedly installed with base baffle 613, pedestal gear
613 top surface of plate is fixedly installed with clutch disk 614, and 614 top surface surrounding of clutch disk slidably connects first connecting rod 6141,
Two connecting rods 6142, third connecting rod 6143 and the 4th connecting rod 6144, first connecting rod 6141 and third connecting rod 6143
Symmetrical configuration, the second connecting rod 6142 and 6144 symmetrical configuration of the 4th connecting rod, first connecting rod 6141 include the first fixed link
6145 and first rotating bar 6146, the first fixed link 6145 and the rotation connection of the first rotating bar 6146, the second connecting rod 6142 it is remote
One end from clutch disk 614 is slidably connected with bedframe 61, the first rotating bar 6146 far from the first fixed link 6145 one
End is fixedly installed with the first card adapter plate 6147, and connection 3 side of pump cover is provided with the clamping groove matched with the first card adapter plate 6147
6148,61 side of bedframe is provided with the second sliding slot 615 matched with the second connecting rod 6142；61 bottom surface of bedframe turns
Dynamic to be connected with plate pulling device 63, plate pulling device 63 includes flap shutter 621 and rotary handle 622, and flap shutter 621 and rotation are helped
Hand 622 is rotatablely connected；The number of plate pulling device 63 is 2, symmetrical configuration.
In actual use, pass through the second annular groove 22 on first annular slot 12 on the first pump cover 1 and first pump housing 2
Clamping setting, keep the connection of the first pump cover 1 and first pump housing 2 more reliable and more stable, it is close by first annular slot 12 first
The setting of first dustband 221 in seal 121 and the second annular groove 22, improves 2 junction of the first pump cover 1 and first pump housing
Leakproofness and dust-proof effect；Pass through the card of the fourth annular slot 51 on third annular groove 42 and the second pump cover 5 on second pump housing 4
Setting is connect, keeps the connection of second pump housing 4 and the second pump cover 5 more reliable and more stable, passes through the second sealing ring on third annular groove 42
421 and fourth annular slot 51 on the second dustband setting, improve the leakproofness of 5 junction of second pump housing 4 and the second pump cover
And dust-proof effect；By this connection setting at two, the service life of engineering machinery hydraulic gear pump is improved.
In actual use, easily there is earhole alignment issues, earhole alignment during assembling in hydraulic gear pump
For problem mainly since the pump housing and pump cover are bolted, connection bolt is typically mounted at the earhole of the pump housing and pump cover outer surface
On, to the difficult phenomenon of earhole alignment occur, it is difficult to connection bolt by the earhole between two neighboring part, the utility model is logical
The setting of fixed device 612 is crossed, fixed device 612 can slide on bedframe 61, therefore be suitable for earhole at different location
Connection, by setting earhole place card slot, be aligned the earhole on the different pump housings and pump cover, be convenient for screwing bolts, guarantee pump
Stable connection is reliable between body and pump cover.
In actual use, when not using the hydraulic gear pump, it can be rotated the first rotating bar 6146, make first turn
The first card adapter plate 6147 in lever 6146 cooperates with the clamping groove 6148 for connecting 3 side of pump cover, makes the hydraulic gear pump and bottom
The connection of base device 6 is more reliable and more stable, by rotation flap shutter 621 and rotary handle 622, conveniently lifts the mekydro
Pump, convenient for the placement after the hydraulic gear pump use；When needing to move the hydraulic gear pump, the second connecting rod can be pulled
6142, slide the second connecting rod 6142 in second sliding slot 615, to drive the movement of the hydraulic gear pump.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (4)
1. a kind of engineering machinery hydraulic gear pump, it is characterised in that: including passing through sequentially connected first pump cover (1) of bolt, the
One pump housing (2), connection pump cover (3), second pump housing (4) and the second pump cover (5)；
First pump housing (2) includes the first pump case (21), is provided with the first cavity (211) in first pump case (21), described first
The first driving gear shaft (212) and the first driven gear shaft (213), first driving gear shaft are equipped in cavity (211)
(212) it is formed on the first driving gear (2121), forms the first driven gear on first driven gear shaft (213)
(2131), first driving gear (2121) and the first driven gear (2131) are meshed；
Second pump housing (4) includes the second pump case (41), is provided with the second cavity (411) in second pump case (41), described second
The second driving gear shaft (412) and the second driven gear shaft (413), second driving gear shaft are equipped in cavity (411)
(412) it is formed on the second driving gear (4121), forms the second driven gear on second driven gear shaft (413)
(4131), second driving gear (4121) and the second driven gear (4131) are meshed；
First pump cover (1) side is fixedly installed with first annular seal space (11), the fixed peace in first annular seal space (11) side
Equipped with the first sealing gland (111), the first sealing gland (111) side is provided with to match with the first driving gear shaft (212)
The recess hole (1111) of conjunction, the first annular seal space (11) is interior to be fixedly installed with gasket (112)；
The connection pump cover (3) includes third pump case (31), and the third pump case (31) includes sequentially connected first fixing layer
(311), the first insulating layer (312) and temperature sense layer (313), the third pump case (31) is interior to be provided with third cavity (314), institute
It states and is movably installed with connection spline (315), first driving gear shaft (212) and the second driving tooth in third cavity (314)
Wheel shaft (412) is connected by connecting spline (315)；
First pump cover (1) rear end is equipped with first annular slot (12), is connected with the first sealing in the first annular slot (12)
It encloses (121), first pump housing (2) front end is equipped with the second annular groove (22), is connected with first on second annular groove (22)
Dustband (221), the first annular slot (12) and the second annular groove (22) are concentric, the first annular slot (12) and second
Annular groove (22) passes through clamping connection；
Second pump housing (4) rear end is equipped with third annular groove (42), is connected with the second sealing in the third annular groove (42)
It encloses (421), the second pump cover (5) front end is equipped with fourth annular slot (51), is connected with second in the fourth annular slot (51)
Dustband (511), the third annular groove (42) and four annular grooves (51) are concentric, the third annular groove (42) and four annulars
Slot (51) passes through clamping connection；
First pump housing (2) bottom surface is movably installed with base device (6), and the base device (6) includes bedframe
(61), bedframe (61) top surface is movably installed with damper (62), and bedframe (61) top edge is provided with
One sliding slot (611), first sliding groove (611) top surface are slidably fitted with fixed device (612), fixed device (612) packet
Support rod (6121) and fixed fastener (6122) are included, the support rod (6121) is fixedly connected with fixed fastener (6122), described
Bedframe (61) bottom surface is fixedly installed with base baffle (613), and base baffle (613) top surface is fixedly installed with connection
Disk (614), clutch disk (614) top surface surrounding slidably connect first connecting rod (6141), the second connecting rod
(6142), third connecting rod (6143) and the 4th connecting rod (6144), the first connecting rod (6141) and third connecting rod
(6143) symmetrical configuration, second connecting rod (6142) and the 4th connecting rod (6144) symmetrical configuration, the first connecting rod
It (6141) include the first fixed link (6145) and the first rotating bar (6146), first fixed link (6145) and the first rotating bar
(6146) it is rotatablely connected, second connecting rod (6142) one end and bedframe (61) far from clutch disk (614) are slided
Connection, first rotating bar (6146) are fixedly installed with the first card adapter plate far from the one end of the first fixed link (6145)
(6147), described connection pump cover (3) side is provided with the clamping groove (6148) matched with the first card adapter plate (6147), the pedestal
Frame (61) side is provided with the second sliding slot (615) matched with the second connecting rod (6142).
2. a kind of engineering machinery hydraulic gear pump according to claim 1, it is characterised in that: the gasket (112) is poly-
Urethane oil seal ring or O-shaped rubber ring.
3. a kind of engineering machinery hydraulic gear pump according to claim 1, it is characterised in that: bedframe (61) bottom
Face is rotatably connected to plate pulling device (63), and the plate pulling device (63) includes flap shutter (621) and rotary handle (622), institute
State flap shutter (621) and rotary handle (622) rotation connection.
4. a kind of engineering machinery hydraulic gear pump according to claim 3, it is characterised in that: of the plate pulling device (63)
Number is 2, symmetrical configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821493164.2U CN208858557U (en) | 2018-09-13 | 2018-09-13 | A kind of engineering machinery hydraulic gear pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821493164.2U CN208858557U (en) | 2018-09-13 | 2018-09-13 | A kind of engineering machinery hydraulic gear pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208858557U true CN208858557U (en) | 2019-05-14 |
Family
ID=66417821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821493164.2U Expired - Fee Related CN208858557U (en) | 2018-09-13 | 2018-09-13 | A kind of engineering machinery hydraulic gear pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208858557U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340104A (en) * | 2018-09-30 | 2019-02-15 | 安徽优源液压科技有限公司 | A kind of engineering machinery hydraulic gear pump |
-
2018
- 2018-09-13 CN CN201821493164.2U patent/CN208858557U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340104A (en) * | 2018-09-30 | 2019-02-15 | 安徽优源液压科技有限公司 | A kind of engineering machinery hydraulic gear pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20190514 Termination date: 20210913 |