CN214221918U

CN214221918U - Hydraulic gear pump driving device

Info

Publication number: CN214221918U
Application number: CN202022123665.5U
Authority: CN
Inventors: 王强; 马燕
Original assignee: Huai'an Youbang Hydraulic Machinery Co ltd
Current assignee: Huai'an Youbang Hydraulic Machinery Co ltd
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2021-09-17
Anticipated expiration: 2030-09-25

Abstract

The utility model discloses a hydraulic gear pump driving device, which relates to the technical field of hydraulic driving equipment and solves the problem that the prior hydraulic gear pump is arranged on a rear axle of a tractor, the gear pump is powered by the rotation of a clutch, a pump shaft of the gear pump is fixed on the clutch, the rotating speed of the gear pump is the same as that of the clutch, and the gear pump cannot be changed, the technical proposal is that the hydraulic gear pump driving device comprises a pump body, one side of the pump body is provided with the clutch, the pump shaft is fixedly connected in the middle of a gear in the pump body, one end of the pump shaft extends out of the pump body and is fixedly connected with a driven wheel, the effect is that the driving wheel is driven to rotate by the power provided by the clutch, the driving wheel and the driven wheel are in transmission connection through a conveyor belt, and the driving wheel can be installed and detached, people can select the driving wheel with proper size according to the rotating speed required by the gear pump, therefore, the rotating speed of the gear pump can be adjusted conveniently.

Description

Hydraulic gear pump driving device

Technical Field

The utility model relates to a hydraulic drive equipment technical field, more specifically say, it relates to a hydraulic gear pump drive arrangement.

Background

Gear pumps are rotary pumps that deliver or pressurize fluid by virtue of the change in working volume and movement created between a pump cylinder and a meshing gear.

Hydraulic gear pump also has extensive application on the tractor, and current hydraulic gear pump is installed on the tractor rear axle, utilizes the clutch rotation to provide power to the gear pump, and the pump shaft of gear pump is fixed on the clutch, and the rotational speed of gear pump is the same with the rotational speed of clutch, can not change, has the problem of certain limitation.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a hydraulic gear pump drive arrangement that the rotational speed of gear pump easily changes.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a hydraulic gear pump drive arrangement, includes the pump body, one side of the pump body is equipped with the clutch, fixedly connected with pump shaft in the middle of the inside gear of the pump body, the outside of the pump body is extended to the one end of pump shaft, and fixedly connected with from the driving wheel, be equipped with the gearbox input shaft on the clutch, be equipped with the action wheel on the gearbox input shaft, the action wheel is connected with the drive shaft through coupling mechanism, and detachable the being connected between drive shaft and the action wheel, the action wheel with from being connected through the conveyer belt transmission between the driving wheel.

Preferably, the drive shaft is located the gearbox input shaft, the action wheel is located the drive shaft and keeps away from the one end of gearbox input shaft, be equipped with the stop gear who prescribes a limit to the action wheel on the drive shaft.

Preferably, stop gear includes electric push rod and gag lever post, the ring channel has been seted up to one side that the gearbox input shaft is close to the action wheel, and the one end of electric push rod is located the inside of ring channel, the other end fixedly connected with connecting block of electric push rod, the gag lever post is located one side that the connecting block is close to the action wheel, and sets up the draw-in groove that supplies the gag lever post to place on the action wheel, fixedly connected with connecting strip in the drive shaft, and the connecting block slides along the connecting strip.

Preferably, an opening is formed in an inner cavity of the transmission input shaft, one end of the driving shaft, which is far away from the driving wheel, is in sliding connection with the open inner cavity, the driving shaft can slide along the transmission input shaft, a screw rod is rotatably connected to the transmission input shaft, one end of the screw rod is located inside the opening, and the driving shaft is in threaded connection with the screw rod;

coupling mechanism includes the gleitbretter, gleitbretter and drive shaft sliding connection, and the gleitbretter is located between connecting block and the action wheel, be equipped with in the drive shaft and carry out fixed establishment to the gleitbretter, one side that the action wheel deviates from the gleitbretter is equipped with the fastening block, threaded connection has the bolt on the fastening block, the one end that the drive shaft is close to the bolt is equipped with and supplies bolt male screw.

Preferably, the fixing mechanism comprises a screw, the driving shaft is provided with a plurality of threaded holes with equal intervals, and the screw is positioned in one of the threaded holes.

By adopting the technical scheme, the method has the advantages that,

1. through setting up the action wheel and from the driving wheel, utilize the clutch to provide power and drive the action wheel and rotate, the action wheel with carry out the transmission from the driving wheel and connect through the conveyer belt, and the action wheel can install and dismantle, people can select the action wheel of suitable size according to the rotational speed that the gear pump needs obtained, just so can adjust the rotational speed of gear pump, very convenient.

2. Through setting up electric push rod and gag lever post, the tensile gag lever post that drives of electric push rod inserts the draw-in groove of seting up on the action wheel, then start-up clutch can provide power to the gear pump, if the shrink of electric push rod drives the gag lever post and leaves the draw-in groove of seting up on the action wheel, the clutch can not provide power to the gear pump, and is very convenient.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present invention;

fig. 2 is a side view of the driving wheel structure according to the embodiment of the present invention.

1. A pump body; 2. a driving wheel; 3. a clutch; 4. a bolt; 5. a drive shaft; 6. a conveyor belt; 7. a driven wheel; 8. a pump shaft; 9. an opening; 10. a screw; 11. an electric push rod; 12. a screw; 13. sliding blades; 14. connecting blocks; 15. a transmission input shaft; 16. a limiting rod; 17. an annular groove; 18. a fastening block; 19. a threaded hole; 20. and (4) connecting strips.

Detailed Description

Refer to fig. 1 to fig. 2 right the utility model relates to a hydraulic gear pump drive arrangement. The examples are further illustrated.

The utility model provides a hydraulic gear pump drive arrangement, see figure 1, including the pump body 1, one side of the pump body 1 is equipped with clutch 3, fixedly connected with pump shaft 8 in the middle of the 1 inside gear of the pump body, the outside of the pump body 1 is extended to the one end of pump shaft 8, and fixedly connected with from driving wheel 7, be equipped with gearbox input shaft 15 on the clutch 3, be equipped with action wheel 2 on the gearbox input shaft 15, action wheel 2 is connected with drive shaft 5 through coupling mechanism, and detachable the being connected between drive shaft 5 and the action wheel 2, action wheel 2 and from driving wheel 6 transmission connection between 7 through the conveyer belt. The gear pump is characterized in that a driving wheel 2 with a proper size is selected according to the rotating speed required to be obtained by the gear pump, the driving wheel 2 is selected according to the diameter ratio principle of the driving wheel 2 and a driven wheel 7, the driving wheel 2 is driven to rotate by utilizing the rotation of the clutch 3, and the pump shaft 8 and the gear pump are finally driven to rotate through the transmission of the conveyor belt 6.

Referring to fig. 2, the driving shaft 5 is located on the transmission input shaft 15, the driving wheel 2 is located at one end of the driving shaft 5 far away from the transmission input shaft 15, and the driving shaft 5 is provided with a limiting mechanism for limiting the driving wheel 2. When gearbox input shaft 15 rotates and drives drive shaft 5 and rotate, usable stop gear is injectd action wheel 2 for gearbox input shaft 15 rotates and drives action wheel 2 and rotate, when if clutch 3 rotated, need not to drive action wheel 2 and rotate, usable stop gear cancellation is to the injecture of action wheel 2, and clutch 3 can not provide power as the power source to the gear pump this moment.

See fig. 2, limiting mechanism includes electric push rod 11 and gag lever post 16, ring channel 17 has been seted up to one side that gearbox input shaft 15 is close to action wheel 2, and the one end of electric push rod 11 is located ring channel 17's inside, the other end fixedly connected with connecting block 14 of electric push rod 11, gag lever post 16 is located one side that connecting block 14 is close to action wheel 2, and set up the draw-in groove that supplies gag lever post 16 to place on the action wheel 2, fixedly connected with connecting strip 20 on the drive shaft 5, and connecting block 14 slides along connecting strip 20. When needs are restricted drive wheel 2, electric putter 11 drives connecting block 14 and removes along connecting strip 20, make gag lever post 16 insert in the draw-in groove of seting up on drive wheel 2, connecting strip 20 is polygon mechanism, can make gearbox input shaft 15 rotate and drive wheel 2 and rotate, electric putter 11 slides along the inside of ring channel 17 this moment, when electric putter 11 drives gag lever post 16 and leaves the draw-in groove of seting up on drive wheel 2, gearbox input shaft 15 rotates and can not drive wheel 2 and rotate.

Referring to fig. 2, an opening 9 is formed in an inner cavity of a transmission input shaft 15, one end, away from a driving wheel 2, of a driving shaft 5 is connected with the inner cavity of the opening 9 in a sliding manner, the driving shaft 5 can slide along the transmission input shaft 15, a screw 10 is connected to the transmission input shaft 15 in a rotating manner, one end of the screw 10 is located inside the opening 9, and the driving shaft 5 is in threaded connection with the screw 10;

coupling mechanism includes gleitbretter 13,

gleitbretter

13 and 5 sliding connection of drive shaft, and gleitbretter 13 is located between connecting block 14 and the action wheel 2, is equipped with on the drive shaft 5 and carries out the fixed establishment who fixes gleitbretter 13, and one side that action wheel 2 deviates from gleitbretter 13 is equipped with fastening block 18, and threaded connection has bolt 4 on the fastening block 18, and the one end that drive shaft 5 is close to bolt 4 is equipped with and supplies bolt 4 male screw. Rotate screw rod 10 for conveyer belt 6 takes place not hard up, pull down action wheel 2, change new action wheel 2, slide gleitbretter 13 suitable position, utilize fixed establishment to fix gleitbretter 13, overlap action wheel 2 again on drive shaft 5, with the one side laminating that fastening block 18 and action wheel 2 deviate from gleitbretter 13, rotate bolt 4, during bolt 4 inserted the screw of seting up on the drive shaft 5, then action wheel 2 is fixed firm.

Referring to fig. 2, the fixing mechanism comprises a screw 12, and the driving shaft 5 is provided with a plurality of threaded holes 19 with equal intervals, and the screw 12 is positioned in one of the threaded holes 19. When the sliding plate 13 slides to a proper position, the screw 12 is correspondingly screwed into the proper threaded hole 19, and the sliding plate 13 is limited by the screw 12.

The working principle is as follows: at first, select suitable action wheel 2 according to the demand of the rotational speed that the gear pump needs, rotate screw rod 10, make conveyer belt 6 be in lax state, after changing suitable action wheel 2, rotate screw rod 10 once more, make conveyer belt 6 be in the state of tightening, utilize clutch 3 as the power source, make gearbox input shaft 15 rotate and drive action wheel 2 and the pump shaft 8 on the gear pump and rotate, when clutch 3 during operation, when need not to provide power to the gear pump, start electric push rod 11, it slides along connecting strip 20 to drive connecting block 14, gag lever post 16 leaves the draw-in groove of seting up on the action wheel 2, when drive shaft 5 rotates this moment, action wheel 2 rotates along drive shaft 5, then action wheel 2 does not take place to rotate, the device can not provide power, can.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a hydraulic gear pump drive arrangement, includes the pump body (1), characterized by: one side of the pump body (1) is equipped with clutch (3), fixedly connected with pump shaft (8) in the middle of the inside gear of pump body (1), the outside of the pump body (1) is extended to the one end of pump shaft (8), and fixedly connected with from driving wheel (7), be equipped with gearbox input shaft (15) on clutch (3), be equipped with action wheel (2) on gearbox input shaft (15), action wheel (2) are connected with drive shaft (5) through coupling mechanism, and detachable the connection between drive shaft (5) and action wheel (2), pass through conveyer belt (6) transmission connection between action wheel (2) and the follow driving wheel (7).

2. A hydraulic gear pump drive as claimed in claim 1, wherein: the driving shaft (5) is located on the gearbox input shaft (15), the driving wheel (2) is located at one end, away from the gearbox input shaft (15), of the driving shaft (5), and a limiting mechanism limiting the driving wheel (2) is arranged on the driving shaft (5).

3. A hydraulic gear pump drive as claimed in claim 2, wherein: stop gear includes electric push rod (11) and gag lever post (16), ring channel (17) have been seted up to one side that gearbox input shaft (15) are close to action wheel (2), and the one end of electric push rod (11) is located the inside of ring channel (17), the other end fixedly connected with connecting block (14) of electric push rod (11), gag lever post (16) are located one side that connecting block (14) are close to action wheel (2), and set up the draw-in groove that supplies gag lever post (16) to place on action wheel (2), fixedly connected with connecting strip (20) are gone up in drive shaft (5), and connecting block (14) slide along connecting strip (20).

4. A hydraulic gear pump drive as claimed in claim 3, wherein: an opening (9) is formed in an inner cavity of the gearbox input shaft (15), one end, far away from the driving wheel (2), of the driving shaft (5) is connected with the inner cavity of the opening (9) in a sliding mode, the driving shaft (5) can slide along the gearbox input shaft (15), a screw rod (10) is connected to the gearbox input shaft (15) in a rotating mode, one end of the screw rod (10) is located inside the opening (9), and the driving shaft (5) is connected with the screw rod (10) in a threaded mode;

coupling mechanism includes gleitbretter (13), gleitbretter (13) and drive shaft (5) sliding connection, and gleitbretter (13) are located between connecting block (14) and action wheel (2), be equipped with the fixed establishment who carries out the fixing to gleitbretter (13) on drive shaft (5), one side that action wheel (2) deviate from gleitbretter (13) is equipped with fastening block (18), threaded connection has bolt (4) on fastening block (18), the one end that drive shaft (5) are close to bolt (4) is equipped with and supplies bolt (4) male screw.

5. A hydraulic gear pump drive unit according to claim 4, characterized in that: the fixing mechanism comprises a screw (12), a plurality of threaded holes (19) with equal intervals are formed in the driving shaft (5), and the screw (12) is located in one of the threaded holes (19).