阅读说明：本技术 一种液压回程的轴向柱塞式液压泵 (Axial plunger type hydraulic pump of hydraulic return stroke ) 是由 陈喜林 张全连 于 2020-12-21 设计创作，主要内容包括：本发明涉及液压泵技术领域,具体说是一种液压回程的轴向柱塞式液压泵。包括：固定座；底座,所述底座设于固定座的顶部；液压泵本体,所述液压泵本体固定安装在底座的顶部；腔体,所述腔体开设在底座上；转动杆,所述转动杆转动安装在腔体内,所述转动杆的一端延伸至腔体外；转动轮,所述转动轮固定安装在转动杆的一端；多个第一卡槽,多个第一卡槽呈环形分布开设在转动轮上；固定块,所述固定块固定安装在底座的一侧；第一滑槽,所述第一滑槽开设在固定块的底部；第一卡块,所述第一卡块滑动安装在第一滑槽内,所述第一卡块的底部延伸至第一卡槽内。本发明提供的液压回程的轴向柱塞式液压泵具有使用方便、易于拆装的优点。(The invention relates to the technical field of hydraulic pumps, in particular to an axial plunger type hydraulic pump with a hydraulic return stroke. The method comprises the following steps: a fixed seat; the base is arranged at the top of the fixed seat; the hydraulic pump body is fixedly arranged at the top of the base; the cavity is arranged on the base; the rotating rod is rotatably arranged in the cavity, and one end of the rotating rod extends out of the cavity; the rotating wheel is fixedly arranged at one end of the rotating rod; the first clamping grooves are annularly distributed on the rotating wheel; the fixed block is fixedly arranged on one side of the base; the first sliding chute is formed in the bottom of the fixing block; the first clamping block is slidably mounted in the first sliding groove, and the bottom of the first clamping block extends into the first clamping groove. The axial plunger type hydraulic pump for the hydraulic return stroke has the advantages of convenience in use and easiness in disassembly and assembly.)

1. An axial plunger hydraulic pump for a hydraulic return stroke, comprising: the hydraulic pump comprises a fixed seat (1), a base (2), a hydraulic pump body (3), a cavity (4), a rotating rod (5), a rotating wheel (6), a plurality of first clamping grooves (7), a fixed block (8), a first sliding groove (9), a first clamping block (10), a first spring (11), two first bevel gears (12), two slots (13), two inserting blocks (14), two second clamping grooves (15), two grooves (16), two rotating shafts (17), four second bevel gears (18), two internal threaded pipes (19), two third bevel gears (20), two screws (21) and two second clamping blocks (22), wherein the base (2) is arranged at the top of the fixed seat (1); the hydraulic pump body (3) is fixedly arranged at the top of the base (2); the cavity (4) is arranged on the base (2); the rotating rod (5) is rotatably arranged in the cavity (4), and one end of the rotating rod (5) extends out of the cavity (4); the rotating wheel (6) is fixedly arranged at one end of the rotating rod (5); the first clamping grooves (7) are distributed on the rotating wheel (6) in an annular manner; the fixed block (8) is fixedly arranged on one side of the base (2); the first sliding groove (9) is formed in the bottom of the fixing block (8); the first clamping block (10) is slidably mounted in the first sliding groove (9), and the bottom of the first clamping block (10) extends into the first clamping groove (7); the first spring (11) is fixedly arranged at the top of the first clamping block (10), and the top of the first spring (11) and the inner wall of the top of the first sliding chute (9) are fixedly connected with two first bevel gears (12) which are fixedly sleeved on the rotating rod (5); the two slots (13) are arranged at the top of the base (2); the two insertion blocks (14) are respectively installed in the corresponding slots (13) in a sliding manner, and the bottoms of the two insertion blocks (14) extend out of the slots (13) and are fixedly connected with the top of the fixed seat (1); the two second clamping grooves (15) are respectively formed in one side of the two inserting blocks (14); the two grooves (16) are respectively arranged at one side of the two slots (13); the two rotating shafts (17) are rotatably arranged in the cavity (4), and the bottom ends of the two rotating shafts (17) respectively extend into the corresponding grooves (16); the four second bevel gears (18) are respectively and fixedly arranged at the top end and the bottom end of the two rotating shafts (17), and the two first bevel gears (12) are respectively meshed with the corresponding second bevel gears (18); the two internal threaded pipes (19) are respectively and rotatably arranged in the two grooves (16); the two third bevel gears (20) are respectively fixedly sleeved on the two internal threaded pipes (19), and the two third bevel gears (20) are respectively meshed with the corresponding second bevel gears (18); the two screws (21) are respectively installed in the two internal threaded pipes (19) in a threaded manner, and one ends of the screws (21) extend out of the internal threaded pipes (19); the two second clamping blocks (22) are fixedly installed at one ends of the two screws (21) respectively, and one side of each second clamping block (22) extends into the corresponding second clamping groove (15).

2. The hydraulic return axial plunger type hydraulic pump according to claim 1, wherein the first sliding grooves (9) are formed in inner walls of two sides thereof, first limiting blocks are slidably mounted in the two first limiting grooves, and one sides of the two first limiting blocks are fixedly connected with the first clamping block (10).

3. The hydraulic return axial plunger type hydraulic pump according to claim 1, wherein a first rotating groove is formed on one side inner wall of the cavity (4), and the rotating rod (5) is rotatably connected with the first rotating groove.

4. The hydraulic return axial plunger type hydraulic pump according to claim 1, wherein a rotating through hole is formed on one side inner wall of the cavity (4), and the rotating rod (5) is rotatably connected with the rotating through hole.

5. The hydraulic return axial plunger hydraulic pump as set forth in claim 1, characterized in that a support block is fixedly mounted in the groove (16), and the internally threaded tube (19) is rotatably connected with the support block.

6. The hydraulic return axial plunger type hydraulic pump as claimed in claim 1, wherein a second rotating groove is formed on one side inner wall of the groove (16), and the internally threaded pipe (19) is rotatably connected with the second rotating groove.

7. The hydraulic return axial plunger type hydraulic pump according to claim 1, wherein a second limit groove is formed in the bottom of the screw (21), a second limit block is slidably mounted in the second limit groove, and the bottom of the second limit block extends out of the second limit groove and is fixedly connected with the inner wall of the bottom of the groove (16).

8. The hydraulic return axial plunger type hydraulic pump according to claim 1, wherein the top of the fixed seat (1) is provided with an annular groove (23), the top of the fixed seat (1) is covered with a cover body (24), the bottom of the cover body (24) extends into the annular groove (23), both sides of the cover body (24) are provided with third clamping grooves (25), both side inner walls of the annular groove (23) are provided with second sliding grooves (26), a third clamping block (27) is slidably mounted in the second sliding grooves (26), one side of the third clamping block (27) extends into the third clamping groove (25), one side of the third clamping block (27) is fixedly mounted with a second spring (28), the other end of the second spring (28) is fixedly connected with one side inner wall of the second sliding grooves (26), the top of the third clamping block (27) is fixedly mounted with a shifting block (29), the top of the shifting block (29) extends out of the second sliding chute (26).

9. The hydraulic return axial plunger type hydraulic pump according to claim 8, wherein a sliding opening is formed on the top inner wall of the second sliding chute (26), and the shifting block (29) is connected with the sliding opening in a sliding manner.

10. The hydraulic return axial plunger type hydraulic pump according to claim 8, wherein connecting ports are formed on both side inner walls of the cover body (24).

Technical Field

The invention relates to the technical field of hydraulic pumps, in particular to an axial plunger type hydraulic pump with a hydraulic return stroke.

Background

The axial plunger type hydraulic pump is also called as a hydraulic piston pump or a solid pump and is generally divided into a single plunger and a double plunger, a hydraulic power pack is mainly used for driving a hydraulic oil cylinder, then the hydraulic oil cylinder is used for propelling a conveying cylinder, and materials in the conveying cylinder are output to a pipeline.

When the axial plunger type hydraulic pump is applied to conveying materials in high slope construction, the pump is often located in a slope position, a fixed seat is required to be stably fixed, meanwhile, the position of the pump is often required to be moved, the pump and the fixed seat are required to be rapidly disassembled and assembled due to frequent movement, and in the prior art, the axial plunger type hydraulic pump is relatively complex and time-consuming in disassembly and assembly due to a screw fixing mode, so that the technical problem needs to be solved by providing the axial plunger type hydraulic pump with a hydraulic return stroke.

Disclosure of Invention

The invention solves the technical problem of providing the axial plunger type hydraulic pump with hydraulic return stroke, which is convenient to use and easy to disassemble and assemble.

In order to solve the above technical problems, the present invention provides a hydraulic return axial plunger hydraulic pump, comprising: the hydraulic pump comprises a fixed seat, a base, a hydraulic pump body, a cavity, a rotating rod, a rotating wheel, a plurality of first clamping grooves, a fixed block, a first sliding groove, a first clamping block, a first spring, two first bevel gears, two inserting grooves, two inserting blocks, two second clamping grooves, two rotating shafts, four second bevel gears, two internal threaded pipes, two third bevel gears, two screws and two second clamping blocks, wherein the base is arranged at the top of the fixed seat; the hydraulic pump body is fixedly arranged at the top of the base; the cavity is arranged on the base; the rotating rod is rotatably arranged in the cavity, and one end of the rotating rod extends out of the cavity; the rotating wheel is fixedly arranged at one end of the rotating rod; the plurality of first clamping grooves are distributed on the rotating wheel in an annular manner; the fixed block is fixedly arranged on one side of the base; the first sliding groove is formed in the bottom of the fixing block; the first clamping block is slidably mounted in the first sliding groove, and the bottom of the first clamping block extends into the first clamping groove; the first spring is fixedly arranged at the top of the first clamping block, and the top of the first spring and the inner wall of the top of the first sliding chute are fixedly connected with two first bevel gears which are fixedly sleeved on the rotating rod; the two slots are arranged at the top of the base; the two insertion blocks are respectively installed in the corresponding slots in a sliding mode, and the bottoms of the two insertion blocks extend out of the slots and are fixedly connected with the top of the fixed seat; the two second clamping grooves are respectively formed in one side of the two inserting blocks; the two grooves are respectively arranged at one side of the two slots; the two rotating shafts are rotatably arranged in the cavity, and the bottom ends of the two rotating shafts respectively extend into the corresponding grooves; the four second bevel gears are respectively and fixedly arranged at the top end and the bottom end of the two rotating shafts, and the two first bevel gears are respectively meshed with the corresponding second bevel gears; the two internal threaded pipes are respectively and rotatably arranged in the two grooves; the two third bevel gears are respectively fixedly sleeved on the two internal threaded pipes and are respectively meshed with the corresponding second bevel gears; the two screws are respectively installed in the two internal thread pipes in a threaded manner, and one ends of the screws extend out of the internal thread pipes; and the two second clamping blocks are respectively and fixedly arranged at one ends of the two screws, and one side of each second clamping block extends into the second clamping groove.

Preferably, first limiting grooves are formed in the inner walls of the two sides of the first sliding groove, first limiting blocks are arranged in the two first limiting grooves in a sliding mode, and one side of each of the two first limiting blocks is fixedly connected with the first clamping block.

Preferably, a first rotating groove is formed in the inner wall of one side of the cavity, and the rotating rod is rotatably connected with the first rotating groove.

Preferably, a rotating through hole is formed in the inner wall of one side of the cavity, and the rotating rod is rotatably connected with the rotating through hole.

Preferably, a supporting block is fixedly installed in the groove, and the internal threaded pipe is rotatably connected with the supporting block.

Preferably, a second rotating groove is formed in the inner wall of one side of the groove, and the internal threaded pipe is rotatably connected with the second rotating groove.

Preferably, a second limiting groove is formed in the bottom of the screw rod, a second limiting block is slidably mounted in the second limiting groove, and the bottom of the second limiting block extends out of the second limiting groove and is fixedly connected with the inner wall of the bottom of the groove.

Preferably, the ring channel has been seted up at the top of fixing base, the top lid of fixing base is equipped with the cover body, the bottom of the cover body extends to in the ring channel, the third draw-in groove has all been seted up to the both sides of the cover body, the second spout has all been seted up on the both sides inner wall of ring channel, slidable mounting has the third fixture block in the second spout, one side of third fixture block extends to in the third draw-in groove, a survey fixed mounting of third fixture block has the second spring, the other end of second spring and one side inner wall fixed connection of second spout, the top fixed mounting of third fixture block has the shifting block, the top of shifting block extends to outside the second spout.

Preferably, a sliding opening is formed in the inner wall of the top of the second sliding groove, and the shifting block is connected with the sliding opening in a sliding mode.

Preferably, the inner walls of the two sides of the cover body are both provided with connecting ports.

Compared with the related art, the axial plunger type hydraulic pump with the hydraulic return stroke has the following beneficial effects:

the invention provides an axial plunger type hydraulic pump with a hydraulic return stroke, which can limit rotation of a rotating wheel by matching a fixed block, a first chute, a first clamping block and a first spring so as to prevent the rotating wheel from rotating under the influence of the outside.

Drawings

FIG. 1 is a schematic cross-sectional elevation view of a first embodiment of a hydraulic return axial plunger hydraulic pump according to the present invention;

FIG. 2 is an enlarged schematic view of portion A shown in FIG. 1;

FIG. 3 is an enlarged schematic view of portion B shown in FIG. 2;

FIG. 4 is a schematic side view of a first embodiment of a hydraulic return axial plunger hydraulic pump according to the present invention;

FIG. 5 is a schematic cross-sectional elevation view of a second embodiment of a hydraulic return axial plunger hydraulic pump according to the present invention;

fig. 6 is an enlarged schematic view of the portion C shown in fig. 5.

Reference numbers in the figures: 1. a fixed seat; 2. a base; 3. a hydraulic pump body; 4. a cavity; 5. rotating the rod; 6. a rotating wheel; 7. a first card slot; 8. a fixed block; 9. a first chute; 10. a first clamping block; 11. a first spring; 12. a first bevel gear; 13. a slot; 14. inserting a block; 15. a second card slot; 16. a groove; 17. a rotating shaft; 18. a second bevel gear; 19. an internally threaded tube; 20. a third bevel gear; 21. a screw; 22. a second fixture block; 23. an annular groove; 24. a cover body; 25. a third card slot; 26. a second chute; 27. a third fixture block; 28. a second spring; 29. and (5) shifting blocks.

Detailed Description

The invention is further described with reference to the following figures and embodiments.

The first embodiment:

referring to fig. 1-4 in combination, in a first embodiment of the present invention, a hydraulic return axial plunger hydraulic pump includes: the hydraulic pump comprises a fixed seat 1, a base 2, a hydraulic pump body 3, a cavity 4, a rotating rod 5, a rotating wheel 6, a plurality of first clamping grooves 7, a fixed block 8, a first sliding groove 9, a first clamping block 10, a first spring 11, two first conical gears 12, two inserting grooves 13, two inserting blocks 14, two second clamping grooves 15, two grooves 16, two rotating shafts 17, four second conical gears 18, two internal threaded pipes 19, two third conical gears 20, two screws 21 and two second clamping blocks 22, wherein the base 2 is arranged at the top of the fixed seat 1; the hydraulic pump body 3 is fixedly arranged on the top of the base 2; the cavity 4 is arranged on the base 2; the rotating rod 5 is rotatably arranged in the cavity 4, and one end of the rotating rod 5 extends out of the cavity 4; the rotating wheel 6 is fixedly arranged at one end of the rotating rod 5; the first clamping grooves 7 are distributed on the rotating wheel 6 in an annular manner; the fixed block 8 is fixedly arranged on one side of the base 2; the first sliding groove 9 is formed in the bottom of the fixing block 8; the first fixture block 10 is slidably mounted in the first sliding groove 9, and the bottom of the first fixture block 10 extends into the first clamping groove 7; the first spring 11 is fixedly arranged at the top of the first clamping block 10, and the top of the first spring 11 and the inner wall of the top of the first sliding chute 9 are fixedly connected with two first bevel gears 12 which are fixedly sleeved on the rotating rod 5; the two slots 13 are arranged at the top of the base 2; the two insertion blocks 14 are respectively installed in the corresponding slots 13 in a sliding manner, and the bottoms of the two insertion blocks 14 extend out of the slots 13 and are fixedly connected with the top of the fixed seat 1; the two second clamping grooves 15 are respectively formed in one side of the two inserting blocks 14; the two grooves 16 are respectively arranged at one side of the two slots 13; the two rotating shafts 17 are rotatably arranged in the cavity 4, and the bottom ends of the two rotating shafts 17 respectively extend into the corresponding grooves 16; the four second bevel gears 18 are respectively fixedly arranged at the top end and the bottom end of the two rotating shafts 17, and the two first bevel gears 12 are respectively meshed with the corresponding second bevel gears 18; the two internal thread pipes 19 are respectively and rotatably arranged in the two grooves 16; the two third bevel gears 20 are respectively fixedly sleeved on the two internal threaded pipes 19, and the two third bevel gears 20 are respectively meshed with the corresponding second bevel gears 18; the two screws 21 are respectively installed in the two internal threaded pipes 19 in a threaded manner, and one ends of the screws 21 extend out of the internal threaded pipes 19; the two second blocks 22 are respectively and fixedly mounted at one end of the two screws 21, and one side of the second block 22 extends into the second slot 15.

First spacing grooves have all been seted up on the both sides inner wall of first spout 9, and equal slidable mounting has first stopper in two first spacing grooves, and one side of two first stoppers all with first fixture block 10 fixed connection can carry on spacingly to first fixture block 10, prevents that first fixture block 10 from following roll-off in the first spout 9.

First rotating groove has been seted up on one side inner wall of cavity 4, dwang 5 rotates with first rotating groove to be connected for dwang 5 can be stable at the internal rotation of cavity 4.

The rotating through hole is formed in the inner wall of one side of the cavity 4, the rotating rod 5 is rotatably connected with the rotating through hole, and the rotating rod 5 can stably rotate in the cavity 4.

A supporting block is fixedly installed in the groove 16, and the internal thread tube 19 is rotatably connected with the supporting block to support the internal thread tube 19, so that the internal thread tube 19 can stably rotate.

A second rotating groove is formed in the inner wall of one side of the groove 16, and the internal threaded pipe 19 is rotatably connected with the second rotating groove, so that the internal threaded pipe 19 can stably rotate in the groove 16.

The second spacing groove has been seted up to the bottom of screw rod 21, slidable mounting has the second stopper in the second spacing groove, the bottom of second stopper extend to the second spacing inslot and with the bottom inner wall fixed connection of recess 16, can carry on spacingly to screw rod 21 to prevent that screw rod 21 from following internal thread pipe 19 and rotating together.

The working principle of the hydraulic return axial plunger type hydraulic pump provided by the invention is as follows:

when the hydraulic pump body 3 and the base 2 need to be disassembled, the rotating rod 5 is rotated through the rotating wheel 6, when the rotating wheel 6 rotates, the first clamping block 10 on the fixed block 8 can be continuously contacted with the first clamping groove 7 on the rotating wheel 6, the first clamping block 10 can play a damping role on the rotating wheel 6, at the same time, the rotating rod 5 drives the corresponding two second bevel gears 18 to rotate through the two first bevel gears 12, the second bevel gear 18 drives the other second bevel gear 18 to rotate through the rotating shaft 17, the corresponding second bevel gear 18 drives the internally threaded tube 19 to rotate through the third bevel gear 20, under the effect of screw thread, internal thread pipe 19 passes through screw 21 and drives second fixture block 22 and remove, withdraws from second fixture block 22 from second draw-in groove 15 until second fixture block 22, has accomplished the unblock work to inserted block 14 this moment to can dismantle base 2 from fixing base 1.

Compared with the related art, the axial plunger type hydraulic pump with the hydraulic return stroke has the following beneficial effects:

through the matching of the fixing block 8, the first sliding groove 9, the first clamping block 10 and the first spring 11, the rotation of the rotating wheel 6 can be limited, so that the rotating wheel 6 is prevented from rotating under the influence of the outside.

Second embodiment:

based on the hydraulic return axial plunger type hydraulic pump provided in the first embodiment of the present application, the second embodiment of the present application proposes another hydraulic return axial plunger type hydraulic pump. The second embodiment is merely a preferred way of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.

The second embodiment of the present invention will be further described with reference to the drawings and the following description.

Referring to fig. 5 and 6 in combination, the axial plunger hydraulic pump for hydraulic return stroke further includes an annular groove 23, the annular groove 23 is disposed at the top of the fixing base 1, a cover body 24 is disposed on the top of the fixing base 1, the bottom of the cover body 24 extends into the annular groove 23, third clamping grooves 25 are disposed on both sides of the cover body 24, second sliding grooves 26 are disposed on both inner walls of the annular groove 23, third clamping blocks 27 are slidably mounted in the second sliding grooves 26, one side of each third clamping block 27 extends into the corresponding third clamping groove 25, one side of each third clamping block 27 is fixedly mounted with a second spring 28, the other end of each second spring 28 is fixedly connected with an inner wall of one side of each second sliding groove 26, a shifting block 29 is fixedly mounted at the top of each third clamping block 27, and the top of the shifting block 29 extends out of the corresponding second sliding groove 26.

A sliding opening is formed in the inner wall of the top of the second sliding groove 26, and the shifting block 29 is connected with the sliding opening in a sliding mode, so that the shifting block 29 can slide normally.

The connecting ports are formed in the inner walls of the two sides of the cover body 24, so that the connecting pipe can enter the cover body 24 and is connected with the hydraulic pump body 3.

During the use, because 3 shapes of hydraulic pump body are comparatively irregular, in case be stained with pollutant such as oil stain clearance comparatively inconvenient, can cover hydraulic pump body 3 through the cover body 24, make pollutant such as dust or oil stain be difficult to be stained with and attach on hydraulic pump body 3, conveyer pipe accessible connector is connected with hydraulic pump body 3, when needs are dismantled cover body 24, stir two shifting blocks 29, shifting block 29 drives third chuck block 27 and removes, third chuck block 27 extrudes second spring 28 when removing, withdraw from third chuck block 25 until third chuck block 27, thereby accomplished the unblock work to cover body 24, make cover body 24 can follow ring channel 23 and pull down.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.