A turbine pump automatic turnover device and assembly process

By designing an automatic turbine pump tilting device, an RV precision reducer and slewing bearing are used to drive the tilting components. Combined with a lifting device and a moving clamping unit, the automatic tilting and fixing of the turbine pump is achieved, which solves the problems of high labor intensity and low efficiency of manual tilting in the existing technology, and improves assembly efficiency and safety.

CN116533199BActive Publication Date: 2025-11-18XIAN SPACE ENGINE CO LTD
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Patent Information

Application Number
CN202310465381.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-04-26
Publication Date
2025-11-18
Estimated Expiration
2043-04-26

AI Technical Summary

Technical Problem

The existing turbine pump assembly process requires manual rotation, which is labor-intensive, inefficient, and poses safety hazards, making it difficult to meet the demand for efficient assembly.

Method used

Design an automatic turbine pump tilting device, which uses an RV precision reducer and a slewing bearing to drive the tilting assembly, combined with a lifting device and a moving clamping unit, to achieve automated tilting and fixing, reduce labor intensity and improve production efficiency.

Benefits of technology

It enables automated tilting of turbopumps, reduces labor intensity, improves production efficiency, ensures the stability and safety of the tilting process, and adapts to the clamping requirements of turbopumps of different sizes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application relates to a turbine pump automatic overturning device and an assembling process, which comprises the following steps: a servo motor is arranged in a base plate to drive a roller to realize the movement of the automatic overturning device; a turnover assembly is used for clamping and fixing a turbine pump with an eccentric structure; one end of the turnover assembly is connected with a first support through a rotary bearing, and the other end of the turnover assembly is connected with a second support through an RV precision speed reducer; the first support and the second support are fixedly arranged at the two ends of the base plate and are used for supporting the turnover assembly; the RV precision speed reducer is a compact speed reducer, integrates the servo motor and the speed reduction, can flexibly control the speed of the turnover assembly, has the arbitrary angle self-locking function, thereby realizes the fixation of the turnover assembly at an arbitrary rotating angle, and is convenient for the turbine pump assembling. The RV precision speed reducer is used for driving the turbine pump to overturn, the assembling quality and the working efficiency can be effectively improved, and the labor intensity of operators is reduced.
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Description

Technical Field

[0001] This invention belongs to the field of rocket engine turbopump assembly technology, and relates to an automatic turbopump tilting device and assembly process. Background Technology

[0002] Currently, liquid rocket engines widely employ pump-fed propellant supply systems, with the turbopump being a key component, often referred to as the "heart" of the rocket engine. The performance and reliability of the turbopump directly impact the engine's and even the launch vehicle's carrying capacity and reliability. During assembly, the turbopump requires repeated flipping and transportation due to its structural design. Weighing approximately 550 kg and featuring an eccentric structure, the turbopump is large, with a maximum turning radius of about 600 mm. Traditional assembly vehicles use mechanical transmissions, requiring manual labor and a crane for flipping. Furthermore, its weight necessitates four workers to move it, resulting in low production efficiency, high labor intensity, and safety hazards. Summary of the Invention

[0003] The technical problem solved by this invention is to overcome the shortcomings of the prior art and propose an automatic turbine pump tilting device and assembly process. The process is simple and easy to operate, which can effectively improve the quality of the turbine pump and reduce labor intensity.

[0004] The solution of the present invention is:

[0005] An automatic tilting device for a turbopump includes: a chassis, a first support column, a slewing bearing, a tilting assembly, an RV precision reducer, and a second support column;

[0006] The tilting assembly is used to clamp and fix the housing of the turbopump. One end of the tilting assembly is connected to the first support column through the slewing bearing, and the other end of the tilting assembly is connected to the second support column through the RV precision reducer. The first support column and the second support column are fixedly mounted on the chassis.

[0007] The flip component can rotate about an axis;

[0008] The flipping assembly includes: a load-bearing unit, a lifting device, and a movable clamping unit;

[0009] The lifting device and the mobile clamping unit are respectively fixedly installed on the load-bearing unit. One end of the load-bearing unit is connected to the first support column through the slewing bearing, and the other end of the load-bearing unit is connected to the second support column through the RV precision reducer.

[0010] The movable clamping unit can clamp turbine pumps of different sizes and shapes, and the lifting device can move relative to the load-bearing unit to fix the turbine pump in conjunction with the movable clamping unit.

[0011] Preferably, the RV precision reducer is a compact reducer.

[0012] Preferably, the rotation center of the RV precision reducer and the rotation center of the slewing bearing are on the same horizontal line.

[0013] Preferably, the load-bearing unit includes: a first flip support, a flip frame, and a second flip support;

[0014] The first flip support and the second flip support are fixedly connected to both ends of the flip frame, respectively;

[0015] The first tilting support connects to the RV precision reducer;

[0016] The second overturning support is connected to the inner ring of the slewing bearing, and the outer ring of the slewing bearing is connected to the first support column;

[0017] The lifting device and the movable clamping unit are arranged sequentially along the length of the flipping frame;

[0018] The lifting device can slide along the length of the flipping frame.

[0019] Preferably, the overturning device further includes: a stop block;

[0020] The stop block is fixedly installed on the first support column, and multiple stop blocks are arranged on the outside of the slewing bearing; the stop block is used to insert a stop pin, which passes through the pin hole at the top of the second tilting support to mechanically lock the tilting assembly.

[0021] Preferably, the movable clamping unit includes: a first fixed support plate, a first movable plate, a second fixed support plate, and a second movable plate;

[0022] The first fixed support plate and the second fixed support plate are respectively fixedly connected to the load-bearing unit;

[0023] The first movable plate is connected to the first fixed support plate via a slide rail, and the second movable plate is connected to the second fixed support plate via a slide rail.

[0024] The first and second movable plates align and clamp together to secure the housing of the turbine pump.

[0025] Preferably, the first movable plate includes: a rotary lead screw, a first connecting plate, and a support block;

[0026] The support block is fixedly mounted on the first connecting plate, and the support block is machined with smooth holes;

[0027] A lead screw nut is fixedly installed on the first fixed support plate, and the lead screw nut is machined with threaded holes.

[0028] The first connecting plate and the first fixed support plate are connected by a slide rail;

[0029] The rotary lead screw passes through the light hole in the support block and is threadedly connected to the lead screw nut; the rotary lead screw is a stepped shaft, and the stepped surface pushes the support block to drive the first connecting plate to move.

[0030] Preferably, the first movable plate further includes: a first clamping plate;

[0031] The second movable plate includes: a second clamping plate and a second connecting plate;

[0032] The second connecting plate and the second fixed support plate are connected by a slide rail;

[0033] A first clamping plate is installed on the side of the first connecting plate facing the second connecting plate;

[0034] A second clamping plate is installed on the side of the second connecting plate facing the first connecting plate;

[0035] The first and second clamping plates are detachable to clamp turbine pump housings of different sizes and shapes.

[0036] Preferably, the lifting device includes: a lifting screw, a locking nut, a sliding support plate, and a lock;

[0037] The sliding support plate is connected to the slide rail on the flip frame via a slider, and the sliding direction is along the length direction of the flip frame; the sliding support plate is provided with an oblong hole for installing the lifting screw, and the direction of the oblong hole is perpendicular to the length direction of the flip frame, so that the lifting screw can move along the direction of the oblong hole;

[0038] The lifting screw can slide relative to the support plate and press against the generator of the fixed turbine pump;

[0039] Locking nuts are provided on the sliding support plate and the flip frame respectively, and locks are installed on the locking nuts; the locking nuts are used to adjust the length of the locks so that the locks can bind and fix the generator of the turbine pump.

[0040] Secondly,

[0041] The assembly process of the automatic turbine pump tilting device described in the first aspect includes:

[0042] Open the first movable plate and the second movable plate, and insert the positioning pin on the first fixed support plate into the third limiting hole; make the second fixed block contact the second limiting block, and at the same time insert the positioning pin on the second fixed support plate near the outside into the first limiting hole;

[0043] Place the turbine pump, push the second movable plate, insert the positioning pin near the inner side of the second fixed support plate into the second limiting hole, so that the surface of the second clamping plate contacts the turbine pump housing;

[0044] Push the first moving plate and rotate the rotary screw to make the first clamping plate surface contact the turbine pump housing;

[0045] Adjust the lifting screw along the length of the flip frame and the length of the oblong hole respectively. Move the lifting screw to adjust the vertical position. Rotate the lifting screw to adjust the vertical position to press against the turbine pump generator. Then, use the lock fixed on the lock nut to fix the turbine pump generator.

[0046] After the RV precision reducer drives the tilting assembly to the working state, the RV precision reducer automatically locks; then the turbine pump is assembled.

[0047] The advantages of this invention compared to the prior art are:

[0048] (1) The automatic turbine pump reversing device of the present invention uses a compact RV precision reducer and a standard slewing bearing to drive the reversing component to move automatically. The self-locking function of the reducer and the stop pin are used to lock the reversing component. Electric operation is used to replace manual operation, reducing labor intensity, improving work efficiency, improving product stability during the reversing process, and effectively avoiding impact.

[0049] (2) The automatic turbine pump tilting device of the present invention clamps the turbine pump by means of the first moving plate and the second moving plate on the tilting component, and at the same time uses the lifting device to provide auxiliary support and fixation for the eccentric structure of the turbine pump, thereby improving the stability of the turbine pump on the tilting device.

[0050] (3) The automatic turbine pump reversing device of the present invention can adapt to different interfaces and different models of turbine pumps by replacing the first clamping plate and the second clamping plate, and has universality. Attached Figure Description

[0051] Figure 1 This is a schematic diagram of the overall automatic flipping device of the present invention;

[0052] Figure 2 This is a schematic diagram of the first and second pillar structures of the present invention;

[0053] Figure 3 This is a schematic diagram of the flip component structure of the present invention;

[0054] Figure 4 This is a schematic diagram of the structure of the first and second movable plates of the present invention;

[0055] Figure 5 This is a schematic diagram of the first fixing plate structure of the present invention;

[0056] Figure 6 This is a schematic diagram of the second fixing plate structure of the present invention;

[0057] Figure 7 This is a schematic diagram of the structure of the first and second movable plates of the present invention;

[0058] Figure 8 This is a schematic diagram of the lifting device structure of the present invention.

[0059] Explanation of reference numerals in the attached figures:

[0060] 1. Chassis; 2. First support column; 3. Slewing bearing; 4. Lifting ring; 5. Stop block; 6. Tilting assembly; 7. RV precision reducer; 8. Second support column; 9. Support leg; 10. Roller.

[0061] 61. First flip support; 62. Flip frame; 63. First fixed support plate; 631. First fixed block; 632. Screw nut; 64. Positioning pin; 65. First moving plate; 651. Rotary screw; 652. First limiting block; 653. First connecting plate; 654. First clamping plate; 655. Support block; 656. Limiting hole; 66. Lifting device; 661. Lifting screw; 662. Locking nut; 663. Sliding support plate; 664. Lock; 67. Second flip support; 68. Second fixed support plate; 681. Second fixed block; 69. Second moving plate; 691. Second limiting block; 692. Second clamping plate; 693. Second connecting plate; 694. First limiting hole; 695. Second limiting hole; 610. Shaft clamp. Detailed Implementation

[0062] The present invention will be further described below with reference to the embodiments.

[0063] This invention provides an automatic tilting device for turbopumps, which improves the assembly quality and work efficiency of turbopumps, reduces labor intensity, and allows a device that previously required four people to operate to now be completed by only two. By manufacturing an automatic tilting device, the turbopump shaft system is rotated at its rated speed, rated torque, and rated power, thereby changing the state of the turbopump and meeting assembly requirements.

[0064] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the spirit of the present invention will be described in detail below with reference to the accompanying drawings. Any person skilled in the art who understands the embodiments of the present invention can make changes and modifications based on the technology described in the present invention without departing from the spirit and scope of the present invention.

[0065] The illustrative embodiments and descriptions of the present invention are used to explain the invention, but are not intended to limit the invention. Furthermore, elements / components using the same or similar reference numerals in the drawings and embodiments are used to represent the same or similar parts.

[0066] The terms "first" and "second" used in this invention do not specifically refer to any order or sequence, nor are they intended to limit the invention; they are merely used to distinguish elements or operations described using the same technical terms.

[0067] The directions used in this invention, such as up, down, left, right, inside, outside, etc., are merely directions with reference to the accompanying drawings. Therefore, the directional terms used are for illustrative purposes and not for limiting the invention.

[0068] The terms “about” and others used in this invention are intended to modify any quantity or error that may vary slightly, but these variations or errors do not change the nature of the quantity or error.

[0069] In this embodiment, as Figure 1 , 2 As shown, the automatic tilting device for the turbine pump includes: chassis 1, first support column 2, slewing bearing 3, lifting ring 4, stop block 5, tilting assembly 6, RV precision reducer 7, second support column 8, support leg 9, and roller 10.

[0070] A servo motor drives the rollers 10 inside the chassis 1 to achieve the movement of the automatic tilting device; the tilting component 6 is used to clamp and fix the eccentric turbine pump. One end of the tilting component 6 is connected to the first support column 2 through the slewing bearing 3, and the other end is connected to the second support column 8 through the RV precision reducer 7; the first support column 2 and the second support column 8 are fixedly set at both ends of the chassis 1 to support the tilting component 6; the RV precision reducer 7 is a compact reducer that integrates the servo motor and the reducer, which can flexibly control the speed of the tilting component 6 and has an arbitrary angle self-locking function, thereby realizing the fixation of the tilting component 6 at any rotation angle.

[0071] The flipping assembly 6 is connected to the inner ring of the slewing bearing 3, and the outer ring of the slewing bearing 3 is connected to the first support column 2.

[0072] The support leg 9 serves to provide support and prevent slipping.

[0073] Multiple hanging rings 4 are set on the flip frame 62 and the first support 2 respectively.

[0074] Four support legs 9 are provided on the chassis 1, located around the chassis 1. The support legs 9 are connected to the chassis 1 by threads. Rotating the support legs 9 can change their height in the vertical direction, further enhancing the stability of the automatic tilting device.

[0075] A reference surface is milled on the chassis 1, and the first support column 2 and the second support column 8 are sequentially set along the length direction and connected by bolts;

[0076] A slewing bearing 3 is mounted on the first support 2 via standard components, and an RV precision reducer 7 is mounted on the second support 8. The rotation center of the RV precision reducer 7 and the rotation center of the slewing bearing 3 are on the same horizontal line. One end of the flipping assembly 6 is connected to the slewing bearing 3, and the other end is connected to the RV precision reducer 7, so that the flipping assembly 6 flips as the RV precision reducer 7 and the slewing bearing 3 rotate. Stop blocks 5 are fixedly mounted on the first support 2, with four stop blocks 5 evenly distributed circumferentially on the outer side of the slewing bearing 3. The stop blocks 5 are used to insert stop pins, which pass through pin holes at the top of the second flipping support 67 for mechanical locking of the flipping assembly 6.

[0077] The RV precision reducer 7 can achieve any angle of rotation from -10° to 190°, with a maximum rotation speed of 2r / min. It also provides power to the rotating assembly 6 and has a power-off brake function, which facilitates the adjustment and fixation of the turbine pump's rotating posture at any angle.

[0078] In this embodiment, as Figure 3 As shown, the flipping assembly 6 includes: a first flipping support 61, a flipping frame 62, a first fixed support plate 63, a positioning pin 64, a first moving plate 65, a lifting device 66, a second flipping support 67, a second fixed support plate 68, a second moving plate 69, and a shaft clamp 610; the turbine pump product weighs more than 500Kg.

[0079] The first flip support 61, the flip frame 62, and the second flip support 67 form a load-bearing unit. The first fixed support plate 63, the positioning pin 64, the first movable plate 65, the second fixed support plate 68, the second movable plate 69, and the shaft clamp 610 form a movable clamping unit.

[0080] The flip frame 62 is welded from 4 square steel bars. Reinforcing ribs are horizontally welded at the welding points on the inner side of the flip frame 62 to improve the strength of the flip frame 62. Lifting rings 4 are set on the reinforcing ribs of the flip frame 62.

[0081] The first tilting support 61 is connected to the RV precision reducer 7, and the second tilting support 67 is connected to the slewing bearing 3;

[0082] Weld a first fixed support plate 63 and a second fixed support plate 68 to the lower surface of the end of the flip frame 62 away from the rotary support 3 and close to the first flip support 61, and reinforce them with two reinforcing ribs respectively.

[0083] The first fixed support plate 63 is connected to the first movable plate 65 via a guide rail, and the second fixed support plate 68 is connected to the second movable plate 69 via a guide rail. Figure 3 The first movable plate 65 and the second movable plate 69 on the left are used to clamp the turbine pump housing. The turbine pump housing is provided with a matching clamping groove. The lifting device 66 on the right is used to support the turbine pump generator.

[0084] The flip frame 62 is provided with a first flip support 61 and a second flip support 67 at both ends along its length, and the first flip support 61 and the second flip support 67 are perpendicular to the flip frame 62. A lifting device 66 is provided on the end face of the flip frame 62 away from the RV precision reducer 7 and close to the second flip support 67 as an auxiliary support. The lifting device 66 is used to fix the generator of the eccentric structure turbine pump. A slide rail is fixedly installed on the flip frame 62, and the lifting device 66 is connected to the flip frame 62 through the slide rail.

[0085] Shaft clamps 610 are installed on the sides of the first and second clamping plates to assist in fixing the first moving plate 65 and the second moving plate 69.

[0086] The upper outer side of the first tilting support 61 is connected to the RV precision reducer 7, and the upper outer side of the second tilting support 67 is connected to the slewing bearing 3. The upper part of the second tilting support 67 is provided with a pin hole for inserting a stop pin. The pin hole on the second tilting support 67 is used in conjunction with the stop block 5.

[0087] In this embodiment, as Figure 4 , 5 As shown, a positioning pin 64 is installed on the first fixed support plate 63, and a first fixing block 631 and a lead screw nut 632 are fixedly arranged on the lower end face of the first fixed support plate 63; a slide rail is provided between the lower end face of the first fixed support plate 63 and the first moving plate 65 for relative sliding. The lead screw nut 632 is machined with an internal thread that mates with the free end of the rotating lead screw 651.

[0088] Figure 4 yes Figure 3 Rotate the view 90° clockwise. Figure 5 yes Figure 4 A bottom view.

[0089] In this embodiment, as Figure 4 , 7 As shown, the first movable plate 65 includes: a rotary lead screw 651, a first limiting block 652, a first connecting plate 653, a first clamping plate 654, a support block 655, and a third limiting hole 656. The first connecting plate 653 is provided with a slider for connecting with the first fixed support plate 63.

[0090] Support block 655 and first limiting block 652 are fixedly mounted on first connecting plate 653. Support block 655 has a central aperture. The bottom outer wall of rotary screw 651 has a T-shaped thread, which passes through the aperture in support block 655 and is screwed into screw nut 632 on first fixed support plate 63 via the bottom T-shaped thread. First connecting plate 653 has a third limiting hole 656, which cooperates with positioning pin 64 to fix the positions of first connecting plate 653 and first fixed support plate 63. First connecting plate 653 is connected to first clamping plate 654 by bolts.

[0091] The support block 655 has a machined hole, and the rotary screw 651 passes through the hole in the support block 655 and is threadedly connected to the screw nut 632. The rotary screw 651 is a stepped shaft, and the stepped surface pushes the support block 655 to drive the first connecting plate 653 to move towards the center.

[0092] The first limiting block 652 is located inside the first fixing block 631, closer to the first clamping plate 654. The first fixing block 631 and the first limiting block 652 cooperate to limit the movement of the first fixed support plate 63 and the first moving plate 65, preventing the first moving plate 65 from sliding off the slide rail of the first fixed support plate 63.

[0093] In this embodiment, as Figure 4 , 6 As shown, two positioning pins 64 are provided on the second fixed plate 68, and the second fixed block 681 is connected to the second fixed plate 68; a slide rail is provided between the lower end face of the second fixed support plate 68 and the second moving plate 69 to achieve relative sliding. Shaft clamps 610 are installed on the sides of the first clamping plate and the second clamping plate to assist in fixing the first moving plate 65 and the second moving plate 69.

[0094] The positioning pin 64 on the second fixed plate 68 is used in conjunction with the first limiting hole 694 or the second limiting hole 695 to fix the position between the second fixed plate 68 and the second movable plate 69 through the pin.

[0095] In this embodiment, as Figure 4 , 7 As shown, the second movable plate 69 includes: a second limiting block 691, a second clamping plate 692, a second connecting plate 693, a first limiting hole 694, and a second limiting hole 695. The second clamping plate 692 and the second connecting plate 693 are connected by bolts. The second limiting block 691 is fixedly mounted on the second connecting plate 693, and the first limiting hole 694 and the second limiting hole 695 are provided on the second connecting plate 693.

[0096] The second limiting block 691 is located inside the second fixing block 681, closer to the second clamping plate 692. The second limiting block 691 works in conjunction with the second fixing block 681 to limit the movement of the second connecting plate 693 and the second fixing plate 68, preventing the second connecting plate 693 from sliding off the slide rail of the second fixing plate 68.

[0097] The positional relationship between the second connecting plate 693 and the second fixing plate 68 can be adjusted by using the first limiting hole 694 and the second limiting hole 695.

[0098] The second connecting plate 693 is provided with a slider for connecting with the second fixed plate 68.

[0099] The second mounting plate 692 and the first mounting plate 654 can be disassembled to accommodate the housing dimensions of different turbine pump products.

[0100] In this embodiment, as Figure 8 As shown, the lifting device 66 includes: a lifting screw 661, a locking nut 662, a sliding support plate 663, and a lock 664. The sliding support plate 663 is connected to the flip frame 62 via a slider, and the sliding direction is along the length direction of the flip frame 62. A waist-shaped hole is provided at the center of the sliding support plate 663 for installing the lifting screw 661. The direction of the waist-shaped hole is perpendicular to the length direction of the flip frame 62, allowing the lifting screw 661 to move along the direction of the waist-shaped hole. The direction of movement is perpendicular to the axis of the lifting screw 661, and the lifting screw 661 can achieve vertical movement to adjust its height. Two locking nuts 662 are provided at opposite corners of the sliding support plate 663, and a lock 664 is installed on the locking nuts 662. The locking nuts 662 are used to adjust the length of the lock 664, so that the lock 664 can bind and fix the turbine pump.

[0101] Two locking nuts 662 are installed on the side of the flip frame 62 near the second flip support 67, and a lock 664 is installed on them.

[0102] Based on the automatic turbine pump tilting device provided by this invention, this invention also provides a turbine pump assembly process, which includes the following steps:

[0103] (1) Open the first moving plate 65 and the second moving plate 69, so that the first fixing block 631 contacts the first limiting block 652, and at the same time insert the positioning pin 64 on the first fixing support plate 63 into the limiting hole 65; so that the second fixing block 681 contacts the second limiting block 691, and at the same time insert the positioning pin 64 on the second fixing support plate 68 near the outside into the first limiting hole 694 to prevent the first moving plate 65 and the second moving plate 69 from sliding off the slide rail.

[0104] (2) Place the turbine pump, push the second moving plate 69, insert the positioning pin 64 on the second fixed support plate 68 near the inner side into the second limiting hole 695, so that the surface of the second clamping plate 692 contacts the turbine pump; push the first moving plate 65, rotate the rotary screw 651 so that the surface of the first clamping plate 654 contacts the turbine pump; at the same time, lock the second clamping plate 692 and the first clamping plate 654 together through 610.

[0105] (3) Adjust the lifting device 66 along the length of the flip frame 6 and the length of the waist-shaped hole respectively, move the lifting screw to adjust the vertical length position, rotate the lifting screw 661 to adjust the vertical position to hold the turbine pump, and use the lock 664 fixed on the locking nut 662 to fix the turbine pump.

[0106] (4) After the RV precision reducer 7 drives the flipping component 6 to flip to the working state, the RV precision reducer 7 automatically locks.

[0107] (5) The locating pin passes through the pin hole and the stop block on the upper part of the second flip support 67 to mechanically lock the flip assembly 6.

[0108] (6) Assemble the turbopump.

[0109] (7) After the turbo pump is assembled, the servo motor in chassis 1 drives the tilting device and the turbo pump, and delivers them to the engine assembly workshop.

[0110] While the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the invention. Any person skilled in the art can make possible variations and modifications to the technical solutions of the present invention using the disclosed methods and techniques without departing from the spirit and scope of the invention. Therefore, any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of the present invention, without departing from the content of the technical solutions of the present invention, shall fall within the protection scope of the present invention. Where there is no conflict, the embodiments of this application and the technical features thereof can be combined with each other.

[0111] The contents not described in detail in this specification are common knowledge to those skilled in the art.

Claims

1. An automatic tilting device for a turbine pump, characterized in that, include: Chassis (1), first support column (2), slewing bearing (3), tilting assembly (6), RV precision reducer (7), and second support column (8); The tilting assembly (6) is used to clamp and fix the housing of the turbine pump. One end of the tilting assembly (6) is connected to the first support column (2) through the slewing bearing (3), and the other end of the tilting assembly (6) is connected to the second support column (8) through the RV precision reducer (7). The first support column (2) and the second support column (8) are fixedly mounted on the chassis (1). The flip component (6) is capable of rotating about an axis; The flipping assembly (6) includes: a load-bearing unit, a lifting device (66), and a movable clamping unit; The lifting device (66) and the moving clamping unit are respectively fixedly installed on the bearing unit. One end of the bearing unit is connected to the first support column (2) through the slewing bearing (3), and the other end of the bearing unit is connected to the second support column (8) through the RV precision reducer (7). The movable clamping unit can clamp turbine pumps of different sizes and shapes, and the lifting device (66) can move relative to the load-bearing unit, thereby cooperating with the movable clamping unit to fix the turbine pump. The movable clamping unit includes: a first fixed support plate (63), a first movable plate (65), a second fixed support plate (68), and a second movable plate (69); The first fixed support plate (63) and the second fixed support plate (68) are respectively fixedly connected to the load-bearing unit; The first movable plate (65) is connected to the first fixed support plate (63) via a slide rail, and the second movable plate (69) is connected to the second fixed support plate (68) via a slide rail; The first movable plate (65) and the second movable plate (69) engage to clamp and fix the housing of the turbine pump; The first movable plate (65) includes: a rotary lead screw (651), a first connecting plate (653), and a support block (655); The support block (655) is fixedly installed on the first connecting plate (653), and the support block (655) is machined with light holes; A lead screw nut (632) is fixedly installed on the first fixed support plate (63), and the lead screw nut (632) is machined with a threaded hole; The first connecting plate (653) and the first fixed support plate (63) are connected by a slide rail; The rotary lead screw (651) passes through the light hole in the support block (655) and is threadedly connected to the lead screw nut (632); the rotary lead screw (651) is a stepped shaft, and the stepped surface pushes the support block (655) to drive the first connecting plate (653) to move; The first movable plate (65) also includes: a first clamping plate (654); The second movable plate (69) includes: a second clamping plate (692) and a second connecting plate (693); The second connecting plate (693) and the second fixed support plate (68) are connected by a slide rail; A first clamping plate (654) is installed on the side of the first connecting plate (653) facing the second connecting plate (693); The second connecting plate (693) has a second clamping plate (692) installed on the side facing the first connecting plate (653); The first clamping plate (654) and the second clamping plate (692) can be disassembled to clamp turbine pump housings of different sizes and shapes.

2. The automatic tilting device for a turbine pump according to claim 1, characterized in that, The RV precision reducer (7) is a compact reducer.

3. The automatic tilting device for a turbine pump according to claim 2, characterized in that, The rotation center of the RV precision reducer (7) and the rotation center of the slewing bearing (3) are on the same horizontal line.

4. An automatic turbine pump reversing device according to any one of claims 1 to 3, characterized in that, The load-bearing unit includes: a first flip support (61), a flip frame (62), and a second flip support (67); The two ends of the flip frame (62) are fixedly connected to the first flip support (61) and the second flip support (67); The first tilting support (61) is connected to the RV precision reducer (7); The second overturning support (67) is connected to the inner ring of the slewing bearing (3), and the outer ring of the slewing bearing (3) is connected to the first support (2); The lifting device (66) and the moving clamping unit are arranged sequentially along the length of the flipping frame (62); The lifting device (66) can slide along the length of the flipping frame (62).

5. The automatic tilting device for a turbine pump according to claim 4, characterized in that, The overturning device also includes: a stop block (5); The stop block (5) is fixedly installed on the first support column (2), and multiple stop blocks (5) are arranged on the outside of the slewing bearing (3); the stop block (5) is used to insert the stop pin, which passes through the pin hole at the top of the second tilting support (67) to mechanically lock the tilting assembly (6).

6. An automatic turbine pump reversing device according to any one of claims 1-3, characterized in that, The lifting device (66) includes: a lifting screw (661), a locking nut (662), a sliding support plate (663), and a lock (664); The sliding support plate (663) is connected to the slide rail on the flip frame (62) via a slider, and the sliding direction is along the length direction of the flip frame (62); the sliding support plate (663) is provided with an oblong hole for installing the lifting screw (661), and the direction of the oblong hole is perpendicular to the length direction of the flip frame (62), so that the lifting screw (661) can move along the direction of the oblong hole; The lifting screw (661) can slide relative to the sliding support plate (663) and abut against the generator of the fixed turbine pump; Locking nuts (662) are respectively provided on the sliding support plate (663) and the flip frame (62), and a lock (664) is installed on the locking nut (662); the locking nut (662) is used to adjust the length of the lock (664) so ​​that the lock (664) binds and fixes the generator of the turbine pump.

7. The assembly process of the automatic turbine pump reversing device as described in claim 6, characterized in that, include: Open the first movable plate (65) and the second movable plate (69), insert the positioning pin (64) on the first fixed support plate (63) into the third limiting hole (656); make the second fixed block (681) contact the second limiting block (691), and at the same time insert the positioning pin (64) on the second fixed support plate (68) near the outside into the first limiting hole (694); Place the turbine pump, push the second moving plate (69), insert the positioning pin (64) on the second fixed support plate (68) near the inner side into the second limiting hole (695), so that the profile of the second clamping plate (692) contacts the turbine pump housing; Push the first moving plate (65) and rotate the rotary screw (651) to make the surface of the first clamping plate (654) contact the turbine pump housing; Adjust the lifting screw (661) along the length of the flip assembly (6) and the length of the waist-shaped hole respectively. Move the lifting screw (661) to adjust the vertical position. Rotate the lifting screw (661) to adjust the vertical position to press against the generator of the turbine pump. Fix the generator of the turbine pump with the lock (664) fixed on the locking nut (662). After the flipping component (6) flips to the working state, the RV precision reducer (7) automatically locks; the turbine pump is then assembled.

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