A hydraulically driven submersible slurry pump

Abstract

The present invention relates to the technical field of non-variable displacement pumps, and discloses a hydraulically driven submersible slurry pump, comprising a housing, a turbine and a hydraulic oil interface, wherein a hydraulic oil motor is provided inside the housing, and the hydraulic oil motor is communicated with the hydraulic oil interface, and a speed change structure and a speed regulating structure are also provided inside the housing, wherein the hydraulic oil motor is connected to the input end of the speed change structure, and the speed change structure transmits power to the speed regulating structure; the speed regulating structure includes baffle 1, baffle 2, baffle 3, baffle 4, baffle 5, a sealing plate, a long shaft and a rotating sleeve. The present invention replaces the motor of the power pump with a hydraulic motor, and connects the speed change structure and the speed regulating structure to achieve high-speed rotation of the turbofan and precise adjustment of the turbofan, so that the water pump can be powered by only connecting to the hydraulic oil circuit of equipment such as excavators in the wilderness where there is a lack of electricity, greatly improving the scope of application of the water pump.

Description

Technical Field

[0001] The invention relates to the technical field of non-variable displacement pumps, and in particular to a hydraulically driven submersible slurry pump. Background Art

[0002] Hydraulically driven submersible slurry pump is a non-variable displacement pump (also called non-positive displacement pump or dynamic pump). Non-variable displacement pump is a type of liquid conveying equipment, which mainly uses kinetic energy to achieve fluid conveying and pressurization. Unlike variable displacement pumps (such as positive displacement pumps), non-variable displacement pumps do not inhale and discharge liquid by changing the volume of the pump chamber during operation, but rely on the conversion of mechanical energy to drive the flow of liquid.

[0003] The existing patent discloses a hydraulic motor driven submersible slurry pump (CN215409262U), which belongs to the technical field of slurry pumps. A hydraulic motor driven submersible slurry pump includes a housing, an input pipe and an output pipe, wherein the input pipe and the output pipe are both fixedly connected to the side wall of the housing, and further includes: a rotating shaft, which is rotatably connected in the housing, and an impeller is fixedly connected to the rotating shaft; a motor cover, which is fixedly connected to the side wall of the housing, and a driving motor is arranged in the motor cover. In the technology disclosed in the patent, due to the low speed and high torque of the hydraulic motor, it is often difficult to apply to a dynamic pump with a high-speed impeller. In addition, in the technology disclosed in the patent, there is a lack of adjustment of the impeller speed, which makes it difficult to use in a working environment with a low pumping volume. Summary of the invention

[0004] The main technical problem solved by the present invention is to provide a hydraulically driven submersible slurry pump, which solves the problems in the above-mentioned background technology.

[0005] To solve the above technical problems, according to one aspect of the present invention, more specifically, a hydraulically driven submersible slurry pump comprises a housing, a turbine and a hydraulic oil interface, a hydraulic oil motor is arranged inside the housing, and the hydraulic oil motor is communicated with the hydraulic oil interface, and a speed change structure and a speed regulating structure are also arranged inside the housing, wherein the hydraulic oil motor is connected to the input end of the speed change structure, and the speed change structure transmits power to the speed regulating structure;

[0006] The speed regulating structure includes a first partition, a second partition, a third partition, a fourth partition, a fifth partition, a sealing plate, a long shaft and a rotating sleeve, wherein the long shaft penetrates the interior of the turbine and is sleeved with a turbofan;

[0007] The speed change structure includes gear one, a T-shaped gear, gear two and gear three.

[0008] Furthermore, the baffle plate 1, baffle plate 2, baffle plate 3, baffle plate 4, baffle plate 5 and the sealing plate are arranged in sequence from top to bottom, wherein the sealing plate is located between the housing and the turbine;

[0009] The speed change structure is located between partition plate 1 and the hydraulic oil motor, the gear set is arranged on the output shaft of the hydraulic oil motor, the gear 2 is coaxially connected with the gear 3, and the gear 1 is rotationally connected with the gear 2 through a T-type gear.

[0010] Furthermore, a left shaft and a right shaft are respectively provided between the partition one and the partition five, a small gear is sleeved on the surface of the left shaft and located between the partition one and the partition two, a large gear is sleeved on the surface of the right shaft and located between the partition one and the partition two, and the diameter ratio of the small gear to the large gear is 1:2, and the small gear and the large gear are both meshingly connected with gear three.

[0011] Furthermore, an upper rotating sleeve is disposed through the center between the partition two and the partition three, and the upper rotating sleeve includes an upper transmission wheel and an upper tooth one on the surface; a lower rotating sleeve is disposed through the center between the partition four and the partition five, and the lower rotating sleeve includes a lower transmission wheel and a lower tooth one.

[0012] Furthermore, a left transmission wheel is sleeved on the surface of the left shaft and located between partition four and partition five, and a right transmission wheel is sleeved on the surface of the right shaft and located between partition two and partition three. The right transmission wheel and the upper transmission wheel, and the left transmission wheel and the lower transmission wheel are all connected through transmission belts.

[0013] Furthermore, the rotating sleeve is located inside the upper rotating sleeve and the lower rotating sleeve and can move up and down and rotate, and the upper and lower ends of the rotating sleeve are respectively provided with a lifting column and a rotating disk, wherein the lifting column is located between the upper rotating sleeve and the lower rotating sleeve;

[0014] The upper and lower sides of the lifting column are respectively provided with upper teeth 2 and lower teeth 2. When the lifting column is in the lower state, the lower teeth 2 are engaged with the lower teeth 1, and when the lifting column is in the upper state, the upper teeth 2 are engaged with the upper teeth 1.

[0015] Furthermore, a spring 1 is sleeved on the lower surface of the rotating sleeve, wherein the upper and lower ends of the spring 1 are respectively in pressure contact with the partition plate 5 and the rotating disk;

[0016] A connection pile is provided on the surface of the sealing plate, wherein a prying frame is movably sleeved on the connection pile, and the left end of the prying frame is in pressure contact with the bottom end of the rotating sleeve.

[0017] Furthermore, a sealing cover is provided on the surface of the turbine, an adjusting shaft is provided through the central surface of the sealing cover, a cam and an adjusting knob are respectively sleeved on the left and right sides of the adjusting shaft, a connecting column and a fixed vertical plate are fixedly connected to the inner surface of the sealing cover, a toggle plate is rotatably sleeved on the surface of the connecting column, and one end of the toggle plate is in pressure contact with the cam;

[0018] An inner wire is provided at the other end of the toggle plate, and the other end of the inner wire is connected to the right end of the prying frame after passing through the fixed vertical plate and the sealing plate. A hose is sleeved on the surface of the inner wire and located between the sealing plate and the fixed vertical plate, and a spring 2 is provided on the surface of the inner wire and located between the fixed vertical plate and the other end of the toggle plate.

[0019] Furthermore, the long shaft is sleeved inside the rotating sleeve and can move up and down, a sliding groove is provided on the bottom surface of the rotating sleeve, and a sliding block is provided on the top surface of the long shaft, wherein the sliding block is clamped inside the sliding groove.

[0020] Beneficial effects:

[0021] 1. The present invention replaces the motor of the power pump with a hydraulic motor and connects a speed change structure and a speed regulation structure to achieve high-speed rotation of the turbofan and precise adjustment of the turbofan. In this way, the water pump can be powered by the hydraulic oil circuit of equipment such as an excavator in a wilderness environment where there is a lack of electricity, thereby greatly improving the application range of the water pump.

[0022] 2. The present invention integrates a speed change structure and a speed regulation structure inside the pump body. The speed change structure can convert a large-torque hydraulic oil motor into a high-speed rotation. The speed regulation valve of the speed regulation structure is designed on the surface of the outer shell, which ensures the stability of the speed regulation structure and the convenient operation of the speed regulation. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the structure of the present invention;

[0024] Figure 2 It is a side view of the present invention;

[0025] Figure 3 It is a front cross-sectional view of the present invention;

[0026] Figure 4 For the present invention Figure 3 A magnified image of area A;

[0027] Figure 5 It is a schematic diagram of the structure of the pinion, the large gear and the gear three of the present invention;

[0028] Figure 6 It is a schematic diagram of the prying frame and the cam structure of the present invention;

[0029] Figure 7 For the present invention Figure 6 Enlarged view of area B;

[0030] Figure 8 It is a schematic structural diagram of the lower rotating sleeve, the upper rotating sleeve and the lifting column of the present invention.

[0031] In the figure: 1. housing; 2. turbine; 3. hydraulic oil interface; 4. sealing cover; 5. adjusting knob; 6. hydraulic oil motor; 7. speed change structure; 8. long shaft; 9. turbofan; 10. adjusting shaft; 11. partition 1; 12. small gear; 13. partition 2; 14. partition 3; 15. left shaft; 16. partition 4; 17. left drive wheel; 18. partition 5; 19. rotating sleeve; 20. rotating disk; 21. sealing plate; 22. prying frame; 23. inner line; 24. spring 1; 25. lower rotating sleeve; 26. Lifting column; 27, upper rotating sleeve; 28, right transmission wheel; 29, large gear; 30, transmission belt; 31, connecting pile; 32, hose; 33, spring 2; 34, fixed vertical plate; 35, toggle plate; 36, connecting column; 37, cam; 38, upper transmission wheel; 39, lower transmission wheel; 40, upper tooth 1; 41, slider; 42, lower tooth 1; 43, upper tooth 2; 44, lower tooth 2; 45, slide; 46, right shaft; 701, gear 1; 702, T-gear; 703, gear 2; 704, gear 3. DETAILED DESCRIPTION

[0032] In order to make the technical solution of the present invention clearer, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0033] Example 1

[0034] like Figure 1 - 8, according to one aspect of the present invention, a hydraulically driven submersible slurry pump is provided, comprising a housing 1, a turbine 2 and a hydraulic oil interface 3, a hydraulic oil motor 6 is arranged inside the housing 1, and the hydraulic oil motor 6 is connected to the hydraulic oil interface 3, and a speed change structure 7 and a speed regulating structure are also arranged inside the housing 1, wherein the hydraulic oil motor 6 is connected to the input end of the speed change structure 7, and the speed change structure 7 transmits power to the speed regulating structure; the speed regulating structure includes a partition 11, a partition 2 13, a partition 3 14, a partition 4 16, a partition 5 18, a sealing plate 21, a long shaft 8 and a rotating sleeve 19, wherein the long shaft 8 penetrates the interior of the turbine 2 and is sleeved with a turbofan 9; the speed change structure 7 includes a gear 1 701, a T-type gear 702, a gear 2 703 and a gear 3 704. The speed change structure can convert the large torque hydraulic oil motor 6 into a high speed, and the speed regulating valve of the speed regulating structure is designed on the surface of the housing 1, so that the stability of the speed regulating structure is ensured, and the convenient operation of the speed regulation is also ensured.

[0035] The long shaft 8 is sleeved inside the rotating sleeve 19 and can move up and down. The bottom surface of the rotating sleeve 19 is provided with a slide groove 45, and the top surface of the long shaft 8 is provided with a slider 41, wherein the slider 41 is clamped inside the slide groove 45 (such as Figure 8As shown in the figure, the design of the slide groove 45 and the slider 41 can ensure the convenient lifting and lowering of the rotating sleeve 19 and the lifting column 26, and does not affect the lifting column 26 to transmit power to the long shaft 8.

[0036] Example 2

[0037] The partition plate 1 11, the partition plate 2 13, the partition plate 3 14, the partition plate 4 16, the partition plate 5 18 and the sealing plate 21 are arranged in order from top to bottom, wherein the sealing plate 21 is located between the housing 1 and the turbine 2; the speed change structure 7 is located between the partition plate 1 11 and the hydraulic oil motor 6, the gear 1 701 is sleeved on the output shaft of the hydraulic oil motor 6, the gear 2 703 is coaxially connected with the gear 3 704, and the gear 1 701 and the gear 2 703 are rotationally connected through the T-shaped gear 702. The speed change structure formed can convert the large torque of the hydraulic oil motor 6 into the high speed of the gear 3 704.

[0038] Example 3

[0039] The left shaft 15 and the right shaft 46 are respectively provided between the partition 1 11 and the partition 5 18, and the surface of the left shaft 15 and between the partition 1 11 and the partition 2 13 are provided with a small gear 12, and the surface of the right shaft 46 and between the partition 1 11 and the partition 2 13 are provided with a large gear 29, and the diameter ratio of the small gear 12 to the large gear 29 is 1:2 (such as Figure 4 As shown), the turbofan 9 can be adjusted in two gears by 1:2.

[0040] The pinion 12 and the large gear 29 are meshed with the gear 3 704. The center between the partition 2 13 and the partition 3 14 is provided with an upper rotating sleeve 27, which includes an upper transmission wheel 38 and an upper tooth 1 40 on the surface. The center between the partition 4 16 and the partition 5 18 is provided with a lower rotating sleeve 25, which includes a lower transmission wheel 39 and a lower tooth 1 42 (such as Figure 8 As shown in FIG. 1 ), after the lower tooth 1 42 and the lower tooth 2 44 are engaged, the lower rotating sleeve 25 can drive the lifting column 26 to rotate.

[0041] In this embodiment, a left transmission wheel 17 is sleeved on the surface of the left shaft 15 and located between the partition plate 4 16 and the partition plate 5 18, and a right transmission wheel 28 is sleeved on the surface of the right shaft 46 and located between the partition plate 2 13 and the partition plate 3 14. The right transmission wheel 28 and the upper transmission wheel 38, and the left transmission wheel 17 and the lower transmission wheel 39 are all connected by transmission belts 30. The rotating sleeve 19 is located inside the upper rotating sleeve 27 and the lower rotating sleeve 25 and can move up and down and rotate. The upper and lower ends of the rotating sleeve 19 are sleeved with a lifting column 26 and a rotating disk 20, respectively, wherein the lifting column 26 is located between the upper rotating sleeve 27 and the lower rotating sleeve 25; the upper and lower sides of the lifting column 26 are respectively provided with upper teeth 2 43 and lower teeth 2 44. When the lifting column 26 is in the lower state, its lower teeth 2 44 are engaged with the lower teeth 1 42, and when the lifting column 26 is in the upper state, its upper teeth 2 43 are engaged with the upper teeth 1 40.

[0042] In this embodiment, a spring 24 is sleeved on the lower surface of the rotating sleeve 19, wherein the upper and lower ends of the spring 24 are respectively in pressure contact with the partition plate 5 18 and the rotating disk 20, and the prying frame 22 squeezes the rotating sleeve 19 so that the rotating sleeve 19 rises, and the prying frame 22 releases the squeezing and the rotating sleeve 19 is restored under the action of the spring 24 (such as Figure 4 , 6 As shown); a connecting pile 31 is provided on the surface of the sealing plate 21, wherein a prying frame 22 is movably sleeved on the connecting pile 31, and the left end of the prying frame 22 is in pressure contact with the bottom end of the rotating sleeve 19. A sealing cover 4 is provided on the surface of the turbine 2, and an adjusting shaft 10 is penetrated through the central surface of the sealing cover 4, and a cam 37 and an adjusting knob 5 are sleeved on the left and right sides of the adjusting shaft 10, respectively. A connecting column 36 and a fixed vertical plate 34 are fixedly connected to the inner surface of the sealing cover 4, and a toggle plate 35 is rotatably sleeved on the surface of the connecting column 36, wherein one end of the toggle plate 35 is in pressure contact with the cam 37; an inner wire 23 is provided at the other end of the toggle plate 35, and the other end of the inner wire 23 passes through the fixed vertical plate 34 and the sealing plate 21 and is connected to the right end of the prying frame 22, a hose 32 is sleeved on the surface of the inner wire 23 and located between the sealing plate 21 and the fixed vertical plate 34, and a spring 233 (as shown) is provided on the surface of the inner wire 23 and located between the fixed vertical plate 34 and the other end of the toggle plate 35 Figure 7 As shown), the spring 2 33 can ensure that one end of the toggle plate 35 is always in close contact with the surface of the cam 37.

[0043] The working principle of the present invention is: after the hydraulic oil interface 3 of the pump body is connected to the hydraulic oil pipeline of the excavator and other equipment, the excavator or other equipment provides it with hydraulic oil to drive the hydraulic oil motor 6, and then the power is transmitted to the speed change structure 7, and the speed change structure 7 transmits the power to the speed regulation structure, and finally transmits the power to the turbofan 9 to realize the pumping of the liquid.

[0044] The hydraulic oil motor 6 transmits power to the gear 1 701 (such as Figure 3 , 4 As shown in FIG. 1 , the power is transmitted from gear 1 701 to gear 3 704 through T-shaped gear 702 and gear 2 703. Gear 3 704 drives pinion 12 and gear 29 to rotate synchronously, and pinion 12 transmits power to lower rotating sleeve 25 through left shaft 15, left transmission wheel 17 and corresponding transmission belt 30. And gear 29 transmits power to upper transmission wheel 27 through right shaft 46, right transmission wheel 28 and corresponding transmission belt 30.

[0045] At this time, when the lifting column 26 is in the lower position, the lower tooth 44 is engaged with the lower tooth 1 42, and when the lifting column 26 is in the upper position, the upper tooth 2 43 is engaged with the upper tooth 1 40 (as shown in FIG. Figure 8 As shown in FIG. 1 , the lifting column 26 is fixedly connected to the rotating sleeve 19 and the rotating disk 20. In this way, the rotating sleeve 19 rises when the prying frame 22 squeezes the rotating sleeve 19, and the rotating sleeve 19 recovers under the action of the spring 24 when the prying frame 22 releases the squeezing (as shown in FIG. 1 ). Figure 4 , 6 as shown).

[0046] The lifting and restoring of the prying frame 22 is controlled by the inner wire 23, and the other end of the inner wire 23 is connected to the toggle plate 35 (such as Figure 7 , 1 As shown in the figure), by turning the adjusting knob 5, the cam 37 can squeeze one end of the toggle plate 35, so that the other end of the toggle plate 35 is lifted and then pulls the inner line 23. At this time, the other end of the inner line 23 can pull the prying frame 22.

[0047] Through the above design, the device can be used in wilderness environments with a lack of electricity. It can provide power for the water pump and pump water into the puddles simply by connecting to the hydraulic oil circuit of equipment such as excavators.

[0048] The above-mentioned embodiments only express several implementation methods of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the present invention. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

Claims

1. A hydraulically driven submersible slurry pump, comprising a housing (1), a turbine (2) and a hydraulic oil interface (3), wherein a hydraulic oil motor (6) is provided inside the housing (1), and the hydraulic oil motor (6) is connected to the hydraulic oil interface (3), characterized in that: A speed change structure (7) and a speed regulating structure are also provided inside the housing (1), wherein the hydraulic oil motor (6) is connected to the input end of the speed change structure (7), and the speed change structure (7) transmits power to the speed regulating structure; The speed regulating structure comprises a first baffle (11), a second baffle (13), a third baffle (14), a fourth baffle (16), a fifth baffle (18), a sealing plate (21), a long shaft (8) and a rotating sleeve (19), wherein the long shaft (8) penetrates the interior of the turbine (2) and is sleeved with a turbofan (9); The partition plate 1 (11), the partition plate 2 (13), the partition plate 3 (14), the partition plate 4 (16), the partition plate 5 (18) and the sealing plate (21) are arranged in sequence from top to bottom, wherein the sealing plate (21) is located between the housing (1) and the turbine (2); The speed change structure (7) comprises a gear 1 (701), a T-shaped gear (702), a gear 2 (703) and a gear 3 (704); The speed change structure (7) is located between the partition plate 1 (11) and the hydraulic oil motor (6), the gear 1 (701) is sleeved on the output shaft of the hydraulic oil motor (6), the gear 2 (703) and the gear 3 (704) are coaxially connected, and the gear 1 (701) and the gear 2 (703) are rotationally connected via a T-shaped gear (702); A left shaft (15) and a right shaft (46) are respectively provided between the partition plate 1 (11) and the partition plate 5 (18); a small gear (12) is sleeved on the surface of the left shaft (15) and located between the partition plate 1 (11) and the partition plate 2 (13); a large gear (29) is sleeved on the surface of the right shaft (46) and located between the partition plate 1 (11) and the partition plate 2 (13); the diameter ratio of the small gear (12) to the large gear (29) is 1:2; and the small gear (12) and the large gear (29) are both meshingly connected with the gear 3 (704); An upper rotating sleeve (27) is provided through the center between the second partition (13) and the third partition (14), and the upper rotating sleeve (27) includes an upper transmission wheel (38) and an upper tooth 1 (40) on the surface; a lower rotating sleeve (25) is provided through the center between the fourth partition (16) and the fifth partition (18), and the lower rotating sleeve (25) includes a lower transmission wheel (39) and a lower tooth 1 (42); A left transmission wheel (17) is sleeved on the surface of the left shaft (15) and located between the fourth partition (16) and the fifth partition (18); a right transmission wheel (28) is sleeved on the surface of the right shaft (46) and located between the second partition (13) and the third partition (14); the right transmission wheel (28) and the upper transmission wheel (38), and the left transmission wheel (17) and the lower transmission wheel (39) are all connected by transmission belts (30); The rotating sleeve (19) is located inside the upper rotating sleeve (27) and the lower rotating sleeve (25) and is capable of moving up and down and rotating. The upper and lower ends of the rotating sleeve (19) are respectively provided with a lifting column (26) and a rotating disk (20), wherein the lifting column (26) is located between the upper rotating sleeve (27) and the lower rotating sleeve (25); The lifting column (26) is provided with upper teeth (43) and lower teeth (44) on the upper and lower sides respectively. When the lifting column (26) is in the lower position, the lower teeth (44) engage with the lower teeth (42). When the lifting column (26) is in the upper position, the upper teeth (43) engage with the upper teeth (40).

2. The hydraulically driven submersible slurry pump according to claim 1, characterized in that: A spring 1 (24) is sleeved on the lower surface of the rotating sleeve (19), wherein the upper and lower ends of the spring 1 (24) are in pressure contact with the partition plate 5 (18) and the rotating disk (20) respectively; A connection pile (31) is provided on the surface of the sealing plate (21), wherein a prying frame (22) is movably sleeved on the connection pile (31), and the left end of the prying frame (22) is in pressure contact with the bottom end of the rotating sleeve (19).

3. The hydraulically driven submersible slurry pump according to claim 2, characterized in that: A sealing cover (4) is provided on the surface of the turbine (2), an adjusting shaft (10) is provided through the central surface of the sealing cover (4), a cam (37) and an adjusting knob (5) are sleeved on the left and right sides of the adjusting shaft (10), a connecting column (36) and a fixed vertical plate (34) are fixedly connected to the inner surface of the sealing cover (4), a toggle plate (35) is rotatably sleeved on the surface of the connecting column (36), and one end of the toggle plate (35) is in pressure contact with the cam (37); The other end of the toggle plate (35) is provided with an inner wire (23), and the other end of the inner wire (23) passes through the fixed vertical plate (34) and the sealing plate (21) and is connected to the right end of the prying frame (22). A hose (32) is sleeved on the surface of the inner wire (23) and located between the sealing plate (21) and the fixed vertical plate (34). A spring 2 (33) is provided on the surface of the inner wire (23) and located between the fixed vertical plate (34) and the other end of the toggle plate (35).

4. The hydraulically driven submersible slurry pump according to claim 1, characterized in that: The long shaft (8) is sleeved inside the rotating sleeve (19) and is capable of moving up and down, a sliding groove (45) is provided on the bottom surface of the rotating sleeve (19), and a sliding block (41) is provided on the top surface of the long shaft (8), wherein the sliding block (41) is clamped inside the sliding groove (45).

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