Diesel engine cooling water pump assembling and clamping device

Abstract

The utility model relates to the technical field of water pump assembly clamps, in particular to a diesel engine cooling water pump assembly clamping device which is provided with a positioning device for positioning a water pump, improves usability of a machine, is provided with a lifting device and an auxiliary positioning device for auxiliary positioning of parts, and reduces work danger. Comprising a body; the device comprises a machine body and further comprises a lifting device, a plurality of auxiliary positioning devices, a rotary table, a positioning device and a plurality of clamping devices, the lifting device, the rotary table and the positioning device are all installed on the machine body, the auxiliary positioning devices are all installed on the lifting device, and the clamping devices are all installed on the rotary table; the machine body provides support, the lifting device drives the multiple auxiliary positioning devices to ascend and descend, the auxiliary positioning devices conduct auxiliary positioning on parts to be assembled, the rotary table is used for placing a water pump and driving the water pump to rotate, the positioning device positions the water pump, and the clamping device clamps the water pump.

Description

Technical Field

[0001] The utility model relates to the technical field of water pump assembly fixtures, in particular to an assembly clamping device for a diesel engine cooling water pump. Background Art

[0002] The water pump is composed of multiple parts. Due to its heavy weight, it needs to be properly clamped during assembly to improve assembly quality and reduce the occurrence of harmful accidents.

[0003] For example, in a type of prior art represented by a Chinese utility model patent with authorization announcement number CN215701048U, which is a rotatable tooling fixture for an engine cooling water pump, its main structure includes a rotating shaft, a clamping groove, a fixing mechanism and a height adjustment plate. The rotating shaft facilitates the rotation of the water pump, the clamping groove places the water pump, the fixing mechanism clamps the water pump, and the height adjustment plate adjusts the clamping height.

[0004] However, the existing technical equipment still has the following problems when in use: the existing fixing mechanism is not convenient for positioning the water pump, the machine is not easy to use, and the existing fixture cannot assist in positioning the parts during assembly, requiring workers to manually position the parts, which is highly dangerous. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a diesel engine cooling water pump assembly clamping device that positions the water pump by setting a positioning device to improve the usability of the machine, and assists in positioning parts by setting a lifting device and an auxiliary positioning device to reduce work hazards.

[0006] The utility model provides a diesel engine cooling water pump assembly and clamping device, which includes a fuselage; a lifting device, a plurality of auxiliary positioning devices, a turntable, a positioning device and a plurality of clamping devices, wherein the lifting device, the turntable and the positioning device are all mounted on the fuselage, the plurality of auxiliary positioning devices are all mounted on the lifting device, and the plurality of clamping devices are all mounted on the turntable; the fuselage provides support, the lifting device drives the plurality of auxiliary positioning devices to rise and fall, the auxiliary positioning devices assist in positioning the parts to be assembled, the turntable places the water pump and drives the water pump to rotate, the positioning device positions the water pump, and the clamping device clamps the water pump.

[0007] Preferably, the fuselage includes a base plate, a first bracket and a second bracket, wherein the first bracket is installed at the top of the base plate and the second bracket is installed at the top of the first bracket to provide support.

[0008] Preferably, the fuselage includes a base plate, a second bracket, a linear motor, two third brackets, an optical bar and a slider. A mounting platform one is provided at the front end of the base plate. The linear motor and the two third brackets are both mounted on the mounting platform one of the base plate. The optical bar is mounted on the two third brackets. The slider is slidably mounted on the optical bar. The second bracket is mounted on the top of the linear motor and the slider. The base plate and the second bracket provide support, and the linear motor provides power to drive the second bracket to move forward and backward.

[0009] Preferably, the lifting device includes multiple hydraulic cylinders 1, multiple brackets 4 and brackets 5, multiple hydraulic cylinders 1 are installed on the top of the base plate, multiple brackets 4 are fixedly installed on the top of multiple hydraulic cylinders 1, brackets 5 are fixedly installed on the top of multiple brackets 4, and brackets 5 are provided with multiple mounting platforms 2 pointing to their own rotation centers; hydraulic cylinder 1 provides power to drive the brackets 5 to move up and down.

[0010] Preferably, the auxiliary positioning device includes a bracket six, a hydraulic cylinder two and a positioning block one, the bracket six is ​​fixedly mounted on the top of a mounting platform two of the bracket five, the hydraulic cylinder two is fixedly mounted on the top of the bracket six, the positioning block one is mounted on the hydraulic cylinder two, and the multiple auxiliary positioning devices are respectively mounted on multiple mounting platforms two of the bracket five; the hydraulic cylinder two provides power to drive the positioning blocks one to move closer to or away from each other, and the positioning blocks one move closer to each other to assist in positioning the parts to be assembled.

[0011] Preferably, the turntable includes multiple brackets seven, brackets eight, electromagnets, gear rings, multiple brackets nine, motors, reducers and gears, multiple brackets seven are all installed on the top of bracket two, bracket eight is fixedly installed on the top of multiple brackets seven, a rotating layer is provided on bracket eight, and multiple mounting platforms three are provided on the rotating layer, the electromagnet and multiple brackets nine are all fixedly installed on the bottom of bracket eight, the gear ring is fixedly installed on the bottom of the rotating layer, the motor is fixedly installed on multiple brackets nine, the reducer is fixedly installed on the top of the motor, the gear is rotatably installed on the top of the reducer, and the gears between the gear ring and the gear are meshed, and the motor provides power to the gear through the reducer; the motor provides power, and the power is transmitted through the reducer, gear and gear ring to drive the rotating layer of bracket seven to rotate, and the electromagnet magnetically fixes the water pump.

[0012] Preferably, the positioning device includes a hydraulic cylinder three and a positioning block two, the hydraulic cylinder three is fixedly installed on the top of the bracket two, and the hydraulic cylinder three is located between multiple brackets seven, the positioning block two is fixedly installed on the top of the hydraulic cylinder three, and the positioning block two and the multiple brackets seven are all slidingly matched; the hydraulic cylinder three provides power to drive the positioning block two to move up and down, the positioning block two moves up and contacts the central shaft hole of the water pump, the positioning block two continues to move up to move the water pump, so that the axis of the central shaft hole of the water pump is aligned with the axis of the positioning block two, thereby completing the positioning of the water pump.

[0013] Preferably, the clamping device includes a hydraulic cylinder four and a pressure block, the hydraulic cylinder four is fixedly mounted on the top of a mounting platform three of the bracket eight, the pressure block is mounted on the hydraulic cylinder four, and the clamping device is respectively fixedly mounted on the tops of multiple mounting platforms of the bracket eight; the hydraulic cylinder four provides power to drive the pressure blocks to move closer to or away from each other, and when the pressure blocks approach each other, the water pump is clamped and fixed.

[0014] Compared with the prior art, the present invention has the following beneficial effects: the water pump can be automatically positioned, and the machine is more user-friendly; and parts can be assisted in positioning, and the working risk is lower. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is an axonometric structural diagram of the base plate, bracket 1 and bracket 2 of the present invention;

[0016] Figure 2 This is an axonometric structural diagram of the base plate, bracket 2, and linear motor;

[0017] Figure 3 It is an axonometric structural diagram of the base plate, bracket 1 and bracket 2;

[0018] Figure 4 This is an axonometric structural diagram of the base plate, bracket 2, and linear motor;

[0019] Figure 5 It is an axonometric structural diagram of the lifting device and the auxiliary positioning device;

[0020] Figure 6 This is an axonometric enlarged structural diagram of the turntable;

[0021] Figure 7 This is an axonometric enlarged structural diagram of the turntable;

[0022] Figure 8 It is an axonometric enlarged structural diagram of the positioning device;

[0023] Figure 9 It is an axonometric enlarged structural diagram of the clamping device.

[0024] Markings in the accompanying drawings: 01, fuselage; 11, base plate; 12, bracket one; 13, bracket two; 14, linear motor; 15, bracket three; 16, optical bar; 17, slider; 02, lifting device; 21, hydraulic cylinder one; 22, bracket four; 23, bracket five; 03, auxiliary positioning device; 31, bracket six; 32, hydraulic cylinder two; 33, positioning block one; 04, turntable; 41, bracket seven; 42, bracket eight; 43, electromagnet; 44, ring gear; 45, bracket nine; 46, motor; 47, reducer; 48, gear; 05, positioning device; 51, hydraulic cylinder three; 52, positioning block two; 06, clamping device; 61, hydraulic cylinder four; 62, pressure block. DETAILED DESCRIPTION

[0025] To facilitate understanding of the present invention, a more comprehensive description of the present invention will be provided below with reference to the accompanying drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and comprehensive understanding of the present invention.

[0026] Example 1

[0027] like Figure 1 As shown, it includes a fuselage 01; it also includes a lifting device 02, multiple auxiliary positioning devices 03, a turntable 04, a positioning device 05 and multiple clamping devices 06, the lifting device 02, the turntable 04 and the positioning device 05 are all installed on the fuselage 01, the multiple auxiliary positioning devices 03 are all installed on the lifting device 02, and the multiple clamping devices 06 are all installed on the turntable 04; the fuselage 01 provides support, the lifting device 02 drives the multiple auxiliary positioning devices 03 to rise and fall, the auxiliary positioning devices 03 assist in positioning the parts to be assembled, the turntable 04 places the water pump and drives the water pump to rotate, the positioning device 05 positions the water pump, and the clamping device 06 clamps the water pump;

[0028] like Figure 3 As shown, the fuselage 01 includes a bottom plate 11, a bracket 12 and a bracket 2 13. The bracket 12 is mounted on the top of the bottom plate 11, and the bracket 2 13 is mounted on the top of the bracket 12.

[0029] like Figure 5 As shown, the lifting device 02 includes multiple hydraulic cylinders 1 21, multiple brackets 22 and brackets 5 23. The multiple hydraulic cylinders 1 21 are all installed on the top of the base plate 11. The multiple brackets 22 are fixedly installed on the top of the multiple hydraulic cylinders 1 21. The brackets 5 23 are fixedly installed on the top of the multiple brackets 4 22. The brackets 5 23 are provided with multiple mounting platforms 2 pointing to their own rotation centers.

[0030] like Figure 5 As shown, the auxiliary positioning device 03 includes a sixth bracket 31, a second hydraulic cylinder 32, and a first positioning block 33. The sixth bracket 31 is fixedly mounted on the top of a second mounting platform of the fifth bracket 23. The second hydraulic cylinder 32 is fixedly mounted on the top of the sixth bracket 31. The first positioning block 33 is mounted on the second hydraulic cylinder 32. The plurality of auxiliary positioning devices 03 are respectively mounted on the plurality of second mounting platforms of the fifth bracket 23.

[0031] like Figure 6 and Figure 7As shown, the turntable 04 includes multiple brackets 7 41, brackets 8 42, electromagnets 43, gear rings 44, multiple brackets 9 45, motors 46, reducers 47 and gears 48. Multiple brackets 7 41 are all mounted on the top of bracket 2 13, bracket 8 42 is fixedly mounted on the top of multiple brackets 7 41, a rotating layer is provided on the bracket 8 42, and multiple mounting platforms 3 are provided on the rotating layer. The electromagnet 43 and multiple brackets 9 45 are all fixedly mounted on the bottom of the bracket 8 42, the gear ring 44 is fixedly mounted on the bottom of the rotating layer, the motor 46 is fixedly mounted on the multiple brackets 9 45, the reducer 47 is fixedly mounted on the top of the motor 46, and the gear 48 is rotatably mounted on the top of the reducer 47. The gear ring 44 and the gear 48 are meshed, and the motor 46 provides power to the gear 48 through the reducer 47.

[0032] like Figure 8 As shown, the positioning device 05 includes a hydraulic cylinder 3 51 and a positioning block 2 52. The hydraulic cylinder 3 51 is fixedly mounted on the top of the bracket 2 13, and the hydraulic cylinder 3 51 is located between multiple brackets 7 41. The positioning block 2 52 is fixedly mounted on the top of the hydraulic cylinder 3 51, and the positioning block 2 52 and the multiple brackets 7 41 are all slidably fitted.

[0033] like Figure 9 As shown, the clamping device 06 includes a hydraulic cylinder 41 and a pressure block 62. The hydraulic cylinder 41 is fixedly mounted on the top of a mounting platform 3 of the bracket 8 42. The pressure block 62 is mounted on the hydraulic cylinder 41. The clamping device 06 is respectively fixedly mounted on the top of multiple mounting platforms of the bracket 8 42.

[0034] First, place the water pump on the top of the bracket 8 42, and the electromagnet 43 magnetically fixes the water pump, and then slide the water pump. Then, open the hydraulic cylinder 3 51, and the hydraulic cylinder 3 51 provides power to drive the positioning block 2 52 to move up and down. The positioning block 2 52 moves up and contacts the central shaft hole of the water pump. The positioning block 2 52 continues to move up to move the water pump, so that the axis of the central shaft hole of the water pump is aligned with the axis of the positioning block 2 52, and the positioning of the water pump is completed. Then, open the hydraulic cylinder 4 61, and the hydraulic cylinder 4 61 provides power to drive the pressure blocks 62 to move closer or farther away from each other. The pressure blocks 62 move closer to each other to clamp and fix the water pump. After the water pump is fixed, place the parts to be assembled on the top of the water pump. Then turn on hydraulic cylinder 1 21 and hydraulic cylinder 2 32. Hydraulic cylinder 1 21 provides power to drive bracket 5 23 to move up and down. Hydraulic cylinder 2 32 provides power to drive positioning block 1 33 to move closer or farther away from each other. Positioning block 1 33 moves closer to each other to assist in positioning the parts to be assembled. Hydraulic cylinder 1 21 and hydraulic cylinder 2 32 cooperate to assist in positioning parts of various specifications and positions. At the same time, turn on motor 46. Motor 46 provides power. The power is transmitted through reducer 47, gear 48 and ring gear 44 to drive the rotating layer of bracket 7 41 to rotate. The rotating layer drives the water pump to rotate and adjust the assembly angle to facilitate assembly. After that, the parts can be placed and positioned for assembly in a cycle.

[0035] Example 2

[0036] like Figure 2 As shown, it includes a fuselage 01; it also includes a lifting device 02, multiple auxiliary positioning devices 03, a turntable 04, a positioning device 05 and multiple clamping devices 06, the lifting device 02, the turntable 04 and the positioning device 05 are all installed on the fuselage 01, the multiple auxiliary positioning devices 03 are all installed on the lifting device 02, and the multiple clamping devices 06 are all installed on the turntable 04; the fuselage 01 provides support, the lifting device 02 drives the multiple auxiliary positioning devices 03 to rise and fall, the auxiliary positioning devices 03 assist in positioning the parts to be assembled, the turntable 04 places the water pump and drives the water pump to rotate, the positioning device 05 positions the water pump, and the clamping device 06 clamps the water pump;

[0037] like Figure 4 As shown, the fuselage 01 includes a base plate 11, a second bracket 13, a linear motor 14, two third brackets 15, an optical bar 16 and a slider 17. A mounting platform 1 is provided at the front end of the base plate 11. The linear motor 14 and the two third brackets 15 are mounted on the mounting platform 1 of the base plate 11. The optical bar 16 is mounted on the two third brackets 15. The slider 17 is slidably mounted on the optical bar 16. The second bracket 13 is mounted on the top of the linear motor 14 and the slider 17.

[0038] like Figure 5 As shown, the lifting device 02 includes multiple hydraulic cylinders 1 21, multiple brackets 22 and brackets 5 23. The multiple hydraulic cylinders 1 21 are all installed on the top of the base plate 11. The multiple brackets 22 are fixedly installed on the top of the multiple hydraulic cylinders 1 21. The brackets 5 23 are fixedly installed on the top of the multiple brackets 4 22. The brackets 5 23 are provided with multiple mounting platforms 2 pointing to their own rotation centers.

[0039] like Figure 5 As shown, the auxiliary positioning device 03 includes a sixth bracket 31, a second hydraulic cylinder 32, and a first positioning block 33. The sixth bracket 31 is fixedly mounted on the top of a second mounting platform of the fifth bracket 23. The second hydraulic cylinder 32 is fixedly mounted on the top of the sixth bracket 31. The first positioning block 33 is mounted on the second hydraulic cylinder 32. The plurality of auxiliary positioning devices 03 are respectively mounted on the plurality of second mounting platforms of the fifth bracket 23.

[0040] like Figure 6 and Figure 7As shown, the turntable 04 includes multiple brackets 7 41, brackets 8 42, electromagnets 43, gear rings 44, multiple brackets 9 45, motors 46, reducers 47 and gears 48. Multiple brackets 7 41 are all mounted on the top of bracket 2 13, bracket 8 42 is fixedly mounted on the top of multiple brackets 7 41, a rotating layer is provided on the bracket 8 42, and multiple mounting platforms 3 are provided on the rotating layer. The electromagnet 43 and multiple brackets 9 45 are all fixedly mounted on the bottom of the bracket 8 42, the gear ring 44 is fixedly mounted on the bottom of the rotating layer, the motor 46 is fixedly mounted on the multiple brackets 9 45, the reducer 47 is fixedly mounted on the top of the motor 46, and the gear 48 is rotatably mounted on the top of the reducer 47. The gear ring 44 and the gear 48 are meshed, and the motor 46 provides power to the gear 48 through the reducer 47.

[0041] like Figure 8 As shown, the positioning device 05 includes a hydraulic cylinder 3 51 and a positioning block 2 52. The hydraulic cylinder 3 51 is fixedly mounted on the top of the bracket 2 13, and the hydraulic cylinder 3 51 is located between multiple brackets 7 41. The positioning block 2 52 is fixedly mounted on the top of the hydraulic cylinder 3 51, and the positioning block 2 52 and the multiple brackets 7 41 are all slidably fitted.

[0042] like Figure 9 As shown, the clamping device 06 includes a hydraulic cylinder 41 and a pressure block 62. The hydraulic cylinder 41 is fixedly mounted on the top of a mounting platform 3 of the bracket 8 42. The pressure block 62 is mounted on the hydraulic cylinder 41. The clamping device 06 is respectively fixedly mounted on the top of multiple mounting platforms of the bracket 8 42.

[0043] First, place the water pump on the top of bracket eight 42, and use the electromagnet 43 to magnetically fix the water pump and place the water pump to slide. Then, open the hydraulic cylinder three 51, and the hydraulic cylinder three 51 provides power to drive the positioning block two 52 to move up and down. The positioning block two 52 moves up and contacts the central shaft hole of the water pump. The positioning block two 52 continues to move up to move the water pump, so that the axis of the central shaft hole of the water pump is aligned with the axis of the positioning block two 52, completing the positioning of the water pump. Then, open the hydraulic cylinder four 61, and the hydraulic cylinder four 61 provides power to drive the pressure blocks 62 to move closer to or away from each other. The pressure blocks 62 move closer to each other to clamp and fix the water pump. After the water pump is fixed, place the parts to be assembled on the top of the water pump. Then, open the hydraulic cylinder one 21 and the hydraulic cylinder two 32. The hydraulic cylinder one 21 provides power to drive the bracket. Five 23 lifts and lowers, hydraulic cylinder two 32 provides power to drive positioning blocks one 33 to move closer or farther away from each other, and positioning blocks one 33 move closer to each other to assist in positioning the parts to be assembled, hydraulic cylinder one 21 and hydraulic cylinder two 32 cooperate to assist in positioning parts of various specifications and positions, and at the same time turn on motor 46, motor 46 provides power, and the power is transmitted through reducer 47, gear 48 and ring gear 44 to drive the rotating layer of bracket seven 41 to rotate, and the rotating layer drives the water pump to rotate and adjust the assembly angle for easy assembly, and at the same time turn on linear motor 14, linear motor 14 provides power to drive the water pump to move back and forth, and linear motor 14 and motor 46 cooperate to drive the water pump to move, adjust the assembly position for easy assembly, and then the parts can be placed in a cycle for positioning and assembly.

[0044] like Figures 1 to 9As shown, the utility model is a diesel engine cooling water pump assembly clamping device. When it is working, the water pump is first placed on the top of the bracket 8 42, and the electromagnet 43 magnetically fixes the water pump to prevent the water pump from sliding. Then, the hydraulic cylinder 3 51 is opened. The hydraulic cylinder 3 51 provides power to drive the positioning block 2 52 to move up and down. The positioning block 2 52 moves up and contacts the central shaft hole of the water pump. The positioning block 2 52 continues to move up to move the water pump so that the axis of the central shaft hole of the water pump is aligned with the axis of the positioning block 2 52 to complete the positioning of the water pump. Then, the hydraulic cylinder 4 61 is opened. The hydraulic cylinder 4 61 provides power to drive the pressure blocks 62 to move closer to or away from each other. The pressure blocks 62 move closer to each other to clamp and fix the water pump. After the water pump is fixed, the parts to be assembled are placed on the top of the water pump. Then, the hydraulic cylinder 1 21 and the hydraulic cylinder 2 32 are opened. Hydraulic cylinder 1 21 provides power to drive bracket 5 23 to move up and down. Hydraulic cylinder 2 32 provides power to drive positioning block 1 33 to move closer or farther away from each other. Positioning block 1 33 moves closer to each other to assist in positioning the parts to be assembled. Hydraulic cylinder 1 21 and hydraulic cylinder 2 32 cooperate to assist in positioning parts of various specifications and positions. At the same time, motor 46 is turned on. Motor 46 provides power. The power is transmitted through reducer 47, gear 48 and ring gear 44 to drive the rotating layer of bracket 7 41 to rotate. The rotating layer drives the water pump to rotate and adjust the assembly angle for easy assembly. At the same time, linear motor 14 is turned on. Linear motor 14 provides power to drive the water pump to move back and forth. Linear motor 14 and motor 46 cooperate to drive the water pump to move, adjust the assembly position for easy assembly, and then the parts can be placed in a cycle for positioning and assembly.

[0045] The linear motor 14, multiple hydraulic cylinders 1 21, multiple hydraulic cylinders 2 32, gear ring 44, motor 46, gear 48, hydraulic cylinder 3 51 and multiple hydraulic cylinders 4 61 of the utility model are purchased on the market. Technicians in this industry only need to install and operate them according to the accompanying instruction manual, without the need for creative work by technicians in this field.

[0046] The main functions achieved by the present invention are: positioning the water pump by setting the positioning device 05 to improve the usability of the machine, and assisting in positioning the parts by setting the lifting device 02 and the auxiliary positioning device 03 to reduce the work risk; it solves the existing technical problems that the existing fixing mechanism is inconvenient for positioning the water pump, the machine usability is poor, and the existing fixture cannot assist in positioning the parts during assembly, requiring workers to manually position the parts, and the work risk is high.

[0047] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A diesel engine cooling water pump assembly clamping device, comprising a body (01); characterized in that: The invention also includes a lifting device (02), a plurality of auxiliary positioning devices (03), a turntable (04), a positioning device (05) and a plurality of clamping devices (06). The lifting device (02), the turntable (04) and the positioning device (05) are all mounted on the machine body (01), the plurality of auxiliary positioning devices (03) are all mounted on the lifting device (02), and the plurality of clamping devices (06) are all mounted on the turntable (04); the machine body (01) provides support, the lifting device (02) drives the plurality of auxiliary positioning devices (03) to rise and fall, the auxiliary positioning devices (03) assist in positioning the parts to be assembled, the turntable (04) places a water pump and drives the water pump to rotate, the positioning device (05) positions the water pump, and the clamping device (06) clamps the water pump.

2. A diesel engine cooling water pump assembly clamping device according to claim 1, characterized in that: The fuselage (01) comprises a bottom plate (11), a first bracket (12) and a second bracket (13), wherein the first bracket (12) is mounted on the top of the bottom plate (11), and the second bracket (13) is mounted on the top of the first bracket (12).

3. A diesel engine cooling water pump assembly clamping device according to claim 1, characterized in that: The body (01) comprises a base plate (11), a second bracket (13), a linear motor (14), two third brackets (15), an optical bar (16) and a slider (17); a mounting platform (1) is provided at the front end of the base plate (11); the linear motor (14) and the two third brackets (15) are all mounted on the mounting platform (1) of the base plate (11); the optical bar (16) is mounted on the two third brackets (15); the slider (17) is slidably mounted on the optical bar (16); and the second bracket (13) is mounted on the top of the linear motor (14) and the slider (17).

4. A diesel engine cooling water pump assembly clamping device as claimed in claim 3, characterized in that: The lifting device (02) includes multiple hydraulic cylinders (21), multiple brackets (22) and brackets (23). The multiple hydraulic cylinders (21) are all installed on the top of the base plate (11). The multiple brackets (22) are fixedly installed on the top of the multiple hydraulic cylinders (21). The brackets (23) are fixedly installed on the top of the multiple brackets (22). The brackets (23) are provided with multiple mounting platforms (2) pointing to their own rotation centers.

5. A diesel engine cooling water pump assembly clamping device as claimed in claim 4, characterized in that: The auxiliary positioning device (03) includes a bracket six (31), a hydraulic cylinder two (32) and a positioning block one (33), the bracket six (31) is fixedly mounted on the top of a mounting platform two of the bracket five (23), the hydraulic cylinder two (32) is fixedly mounted on the top of the bracket six (31), the positioning block one (33) is mounted on the hydraulic cylinder two (32), and the multiple auxiliary positioning devices (03) are respectively mounted on multiple mounting platforms two of the bracket five (23).

6. A diesel engine cooling water pump assembly clamping device as claimed in claim 3, characterized in that: The turntable (04) comprises a plurality of brackets (7) (41), brackets (8) (42), electromagnets (43), gear rings (44), a plurality of brackets (9) (45), motors (46), reducers (47) and gears (48), wherein the plurality of brackets (7) (41) are all mounted on the top of brackets (2) (13), brackets (8) (42) are fixedly mounted on the top of the plurality of brackets (7) (41), a rotating layer is provided on the brackets (8) (42), and a plurality of mounting platforms (3) are provided on the rotating layer, the electromagnets (43) and the plurality of brackets (9) (45) are all fixedly mounted on the bottom of the brackets (8) (42), the gear rings (44) are fixedly mounted on the bottom of the rotating layer, the motors (46) are fixedly mounted on the plurality of brackets (9) (45), the reducers (47) are fixedly mounted on the top of the motors (46), the gears (48) are rotatably mounted on the top of the reducers (47), and the gear rings (44) and the gears (48) are meshed with each other, and the motors (46) provide power to the gears (48) through the reducers (47).

7. A diesel engine cooling water pump assembly clamping device as claimed in claim 6, characterized in that: The positioning device (05) includes a hydraulic cylinder three (51) and a positioning block two (52), the hydraulic cylinder three (51) is fixedly mounted on the top of the bracket two (13), and the hydraulic cylinder three (51) is located between multiple brackets seven (41), the positioning block two (52) is fixedly mounted on the top of the hydraulic cylinder three (51), and the positioning block two (52) and the multiple brackets seven (41) are all slidably matched.

8. A diesel engine cooling water pump assembly clamping device as claimed in claim 6, characterized in that: The clamping device (06) includes a hydraulic cylinder four (61) and a pressure block (62), the hydraulic cylinder four (61) is fixedly mounted on the top of a mounting platform three of the bracket eight (42), the pressure block (62) is mounted on the hydraulic cylinder four (61), and the clamping device (06) is respectively fixedly mounted on the tops of multiple mounting platforms of the bracket eight (42).

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