Diesel engine flywheel and water pump shaft direct connection mechanism and connection process

Abstract

The invention relates to the technical field of water pump units, in particular to a diesel engine flywheel and water pump shaft direct connection mechanism which comprises a bottom plate, a diesel engine body and a water pump body, the diesel engine body is fixedly connected with the bottom plate, the water pump body is fixedly connected with the bottom plate, and then the diesel engine body and the water pump body are fixed to the bottom plate. A rotating shaft in the device is inserted into a sleeve of the device, when the rotating shaft is inserted into a proper position, a worker rotates a connecting cylinder, the rotating connecting cylinder can press the sleeve downwards, extrusion plates slidably arranged in first sliding grooves can be pressed to move oppositely in the downward moving process of the sleeve, and at the moment, the extrusion plates can clamp and fix the rotating shaft; and when the water pump body is started, a limiting rod can be pushed to move along a second sliding groove through rotation of a rotating shaft and inertia generated by a third middle connecting disc, the limiting rod abuts against a clamping plate on a connecting cylinder, and the device is reinforced again.

Description

Technical Field

[0001] The invention relates to the technical field of water pump units, in particular to a direct connection mechanism between a diesel engine flywheel and a water pump shaft. Background Art

[0002] In a diesel engine water pump unit, there are two ways for the diesel engine to drive the water pump. One is belt drive, that is, a pulley is installed at the output end of the flywheel of the diesel engine, and a pulley is also installed on the main shaft of the water pump, and the diesel engine and the water pump are driven by a belt. The other is direct drive, that is, the flywheel of the diesel engine and the main shaft of the water pump are directly connected by a coupling. Compared with these two transmission methods, the direct drive method has higher transmission efficiency and a compact unit structure. Therefore, most of the existing diesel engine water pump units use the direct drive method.

[0003] To achieve direct connection between the diesel engine and the water pump, two connecting plates must be used, and neither is indispensable. The flywheel connecting plate is provided with two connecting positioning end faces, one connecting positioning end face is connected to the diesel engine flywheel end face, and the other connecting positioning end face is connected to the water pump connecting plate. Connecting holes are provided on the two connecting positioning end faces, and the two connecting positioning end faces must be coaxial. If the two connecting positioning end faces are not coaxial, or the position deviation of the connecting holes on the two connecting positioning end faces is too large, it will affect the connection between the diesel engine and the water pump. In the actual production process, docking and assembly difficulties often occur, the debugging cycle is long, and the coaxiality of the diesel engine flywheel center and the water pump main shaft is difficult to ensure, which will inevitably affect the service life of the unit. Summary of the invention

[0004] Based on the above-mentioned problems existing in the prior art, the problem to be solved by the present application is: connecting holes are provided on the two connecting positioning end faces, and the two connecting positioning end faces must be coaxial. If the two connecting positioning end faces are not coaxial, or the position deviation of the connecting holes on the two connecting positioning end faces is too large, it will affect the connection between the diesel engine and the water pump. In the actual production process, docking and assembly difficulties often occur, the debugging cycle is long, and the coaxiality of the diesel engine flywheel center and the water pump main shaft is difficult to ensure, which will inevitably affect the service life of the unit.

[0005] The technical solution adopted by the present application to solve the technical problem is: a direct connection mechanism between a diesel engine flywheel and a water pump shaft, comprising a bottom plate, a diesel engine body and a water pump body, wherein the diesel engine body is fixedly connected to the bottom plate, the water pump body is fixedly connected to the bottom plate, and the diesel engine body and the water pump body are connected via a connection mechanism;

[0006] The connecting mechanism includes a rotating shaft fixedly connected to the output end of the water pump body, an intermediate connecting disk 1 is fixedly arranged on the diesel engine body, an intermediate connecting disk 2 is fixedly arranged on the intermediate connecting disk 1, an intermediate connecting disk 3 is fixedly arranged on the intermediate connecting disk 2, a threaded barrel is fixedly arranged on the intermediate connecting disk 3, a fixed barrel coaxially arranged therewith is fixedly arranged on the upper end surface of the threaded barrel, a thread is provided on the threaded barrel, a sleeve is rotatably arranged in the fixed barrel, a slide groove 1 is provided on the intermediate connecting disk 3, an extrusion plate is slidably arranged on the slide groove 1, a spring 1 is fixedly connected between the extrusion plate and the slide groove 1, and a control unit for controlling the movement of the extrusion plate is provided on the intermediate connecting disk 3.

[0007] Preferably, a plurality of mutually parallel support columns are fixedly provided on the bottom plate, and the support columns are evenly arranged at the corners of the bottom plate, and anti-slip plates are fixedly provided on the support columns.

[0008] Preferably, the diesel engine body includes a support plate fixedly connected to the base plate, a protective shell is fixedly arranged on the support plate, reinforcing ribs are fixedly arranged between the base plate and the protective shell, and the reinforcing ribs are arranged in a right-angled triangle.

[0009] Preferably, a placement plate is fixedly provided on the upper end surface of the base plate, the placement plate is fixedly connected to the water pump body, a fixing frame is fixedly provided between the water pump body and the placement plate, and two fixing frames are evenly distributed on both sides of the water pump body.

[0010] Preferably, the control unit comprises a sleeve threadedly connected in the threaded barrel, and an extrusion groove is provided in the sleeve, and the extrusion groove fits with the outer wall of the extrusion plate.

[0011] Preferably, the extrusion groove is arranged in a funnel shape with a smaller end toward the water pump body and a larger end away from the water pump body.

[0012] Preferably, a swivel second is slidably provided in the fixed cylinder, a connecting plate is fixedly provided on the swivel second, a swivel first is fixedly provided on the connecting plate, and a slot is provided between the swivel first and the swivel second, and the slot and the sleeve are engaged with each other.

[0013] Preferably, a connecting tube is fixedly provided on the third intermediate connecting plate, a connecting ring is rotatably provided on the connecting tube, an extension plate is fixedly provided on the outer wall of the connecting plate, bolts are provided on the extension plate, and the bolts are threadedly connected to the connecting ring.

[0014] Preferably, a plurality of evenly distributed slide grooves 2 are provided on the outer surface of the intermediate connecting disk 3, a limit rod is slidably arranged in the slide groove 2, a slide groove 3 is fixedly arranged between the limit rod and the side wall of the slide groove 2, and a plurality of clamping plates are fixedly arranged on the inner wall of the bottom end of the connecting tube.

[0015] A direct connection mechanism between a diesel engine flywheel and a water pump shaft, comprising the following processes:

[0016] S1, when using the device, the staff first moves the device to a suitable position, fixes the bottom plate on the ground, and then fixes the diesel engine body and the water pump body on the bottom plate;

[0017] S2, one end of the rotating shaft is directly fixedly connected to the rotating blade in the water pump body, and the other end of the rotating shaft is inserted into the sleeve of the device, and when it is inserted to the appropriate position, the staff rotates the control unit, and the rotating control unit can press the sleeve downward, and in the process of the sleeve moving downward, it can press the extrusion plate slidingly arranged in the slide groove to move toward each other, and at this time, the extrusion plate can clamp the fixed rotating shaft;

[0018] S3, after the rotating shaft is fixed, the middle connecting plate is fixed to achieve connection and fixation.

[0019] The beneficial effects of the present application are as follows: the present application provides a direct connection mechanism between a diesel engine flywheel and a water pump shaft. When using the device, the staff first moves the device to a suitable position, fixes the device by means of support columns and anti-skid plates arranged on the bottom plate of the device, and then fixes the diesel engine body and the water pump body on the bottom plate, inserts the rotating shaft in the device into the sleeve of the device, and when inserted to a suitable position, the staff rotates the connecting tube, and the rotating connecting tube can press down the sleeve, and in the process of the sleeve moving downward, it can press the extrusion plate slidingly arranged in the slide groove one to move toward each other, at this time, the extrusion plate can clamp the fixed rotating shaft, which is convenient for the staff to connect the device, and when starting the water pump body, the inertia generated by the rotation of the rotating shaft and the middle connecting disk three can push the limit rod to move along the slide groove two, and resist against the clamping plate on the connecting tube, thereby reinforcing the device again.

[0020] In addition to the above-described purposes, features and advantages, the present application also has other purposes, features and advantages. The present application will be further described in detail below with reference to the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0022] Figure 2 It is a side view structural schematic diagram of the present invention;

[0023] Figure 3 It is a schematic diagram of the connection mechanism structure of the present invention;

[0024] Figure 4 It is a schematic diagram of the internal structure of the connecting mechanism of the present invention;

[0025] Figure 5 It is a schematic diagram of the connecting tube structure of the present invention;

[0026] Figure 6 It is a schematic diagram of the internal structure of the connecting tube of the present invention;

[0027] Figure 7 It is a schematic diagram of the local structure of the present invention;

[0028] Figure 8 For the present invention Figure 7 Enlarged structural diagram at A in the middle.

[0029] In the figure: 1. bottom plate; 11. support column; 12. anti-skid plate; 2. diesel engine body; 21. support plate; 22. reinforcing rib; 23. protective shell; 25. intermediate connecting plate 1; 251. intermediate connecting plate 2; 252. intermediate connecting plate 3; 2521. slideway 1; 2522. spring 1; 2523. slideway 2; 2524. limit rod; 2525. slideway 3; 3. water pump body; 31. placement plate; 32. fixing frame; 4. rotating shaft; 5. sleeve; 6. fixing cylinder; 60. swivel 1; 601. connecting plate; 602. slot; 61. extension plate; 62. bolt; 63. connecting cylinder; 631. clamping plate; 64. connecting ring; 65. swivel 2; 66. spring 3; 7. extrusion plate; 8. threaded cylinder. DETAILED DESCRIPTION

[0030] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0031] In order to enable people in the technical field to better understand the solution of the present application, the technical solution in the embodiment of the present application will be clearly and completely described below in conjunction with the drawings in the embodiment of the present application. Obviously, the described embodiment is only a part of the embodiment of the present application, not all of the embodiments. Based on the embodiment in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application. A dustproof plate 33 is fixedly provided on the water pump body (3).

[0032] Reference Figure 1-Figure 3 A diesel engine flywheel and water pump shaft direct connection mechanism, comprising a base plate 1, a diesel engine body 2 and a water pump body 3, wherein the diesel engine body 2 is fixedly connected to the base plate 1, the water pump body 3 is fixedly connected to the base plate 1, and the diesel engine body 2 and the water pump body 3 are connected via a connection mechanism;

[0033] The connecting mechanism includes a rotating shaft 4 fixedly connected to the output end of the water pump body 3, an intermediate connecting disk 1 25 is fixedly arranged on the diesel engine body 2, an intermediate connecting disk 2 251 is fixedly arranged on the intermediate connecting disk 1 25, an intermediate connecting disk 3 252 is fixedly arranged on the intermediate connecting disk 2 251, a threaded cylinder 8 is fixedly arranged on the intermediate connecting disk 3 252, a fixed cylinder 6 coaxially arranged therewith is fixedly arranged on the upper end surface of the threaded cylinder 8, a thread is provided on the threaded cylinder 8, a sleeve 5 is rotatably arranged in the fixed cylinder 6, a slide groove 1 2521 is provided on the intermediate connecting disk 3 252, an extrusion plate 7 is slidably arranged on the slide groove 1 2521, a spring 1 2522 is fixedly connected between the extrusion plate 7 and the slide groove 1 2521, and a control unit for controlling the movement of the extrusion plate 7 is provided on the intermediate connecting disk 3 252.

[0034] Reference Figure 1-Figure 3 A plurality of mutually parallel support columns 11 are fixedly arranged on the base plate 1, and each support column 11 is evenly arranged at each corner of the base plate 1. An anti-skid plate 12 is fixedly arranged on the support column 11. By arranging the support column 11 on the base plate 1, the support function of the entire device is realized. At the same time, each support column 11 is arranged at the corner of the base plate 1 so that each support column 11 can be evenly stressed during the support process, thereby avoiding damage to the support column 11 due to uneven stress during the support process. At the same time, the anti-skid plate 12 arranged at the bottom end of the support column 11 can increase the friction between the device and the ground, thereby avoiding the device from slipping during use.

[0035] Reference Figure 1 , Figure 4 and Figure 5 The diesel engine body 2 includes a support plate 21 fixedly connected to the bottom plate 1, a protective shell 23 is fixedly arranged on the support plate 21, and reinforcing ribs 22 are fixedly arranged between the bottom plate 1 and the protective shell 23, and the reinforcing ribs 22 are arranged in a right-angled triangle. The support plate 21 arranged on the diesel engine body 2 improves the overall stability of the device, and the reinforcing ribs 22 arranged between the protective shell 23 and the bottom plate 1 prevent the diesel engine body 2 from tilting during operation.

[0036] Reference Figure 2-Figure 4 A placement plate 31 is fixedly provided on the upper end surface of the base plate 1, and the placement plate 31 is fixedly connected to the water pump body 3. A fixing frame 32 is fixedly provided between the water pump body 3 and the placement plate 31, and the two fixing frames 32 are evenly distributed on both sides of the water pump body 3. The placement plate 31 arranged on the base plate 1 can ensure the basic stability of the water pump body 3 and ensure that the shaft will not break during the operation of the device.

[0037] Reference Figure 4-Figure 6The control unit includes a sleeve 5 threadedly connected to the threaded barrel 8, and an extrusion groove is provided in the sleeve 5, which fits the outer wall of the extrusion plate 7. By setting the sleeve 5 in the threaded barrel 8, the sleeve 5 can move up and down during the rotation of the sleeve 5, thereby adjusting the position of the extrusion plate 7, so that the extrusion plate 7 can fit on the outer surface of the rotating shaft 4, thereby realizing the reinforcement device connection.

[0038] Reference Figure 5-Figure 7 The extrusion groove is funnel-shaped, with a smaller end toward the water pump body 3 and a larger end away from the water pump body 3. By setting the extrusion groove in a funnel shape, the lateral position of the extrusion plate 7 can be changed when the extrusion plate 7 moves, thereby improving the compactness of the device.

[0039] Reference Figure 4-Figure 6 A swivel ring 2 65 is slidably provided in the fixed cylinder 6, a connecting plate 601 is fixedly provided on the swivel ring 2 65, a swivel ring 1 60 is fixedly provided on the connecting plate 601, and a clamping groove 602 is provided between the swivel ring 1 60 and the swivel ring 2 65, and the clamping groove 602 and the sleeve 5 are engaged with each other, and a spring 3 66 is fixedly provided between the swivel ring 2 65 and the threaded cylinder 8. By means of the swivel ring 2 65 provided on the fixed cylinder 6, the fixed cylinder 6 moves downward when the staff rotates the fixed cylinder 6 clockwise, and presses down the swivel ring 1 60 and the swivel ring 2 65 during its downward movement, and the swivel ring 2 65 presses down the spring 3 66.

[0040] Reference Figure 4-Figure 6 A connecting tube 63 is fixedly provided on the middle connecting disk three 252, a connecting ring 64 is rotatably provided on the connecting tube 63, an extension plate 61 is fixedly provided on the outer wall of the connecting plate 601, a bolt 62 is provided on the extension plate 61, and the bolt 62 is threadedly connected to the connecting ring 64. The extension plate 61 is provided on the rotating ring two 65 and the bolt 62 rotatably provided on the extension plate 61, so that the staff can fix the device conveniently.

[0041] Reference Figure 6-Figure 8 A plurality of evenly distributed slide grooves 2523 are provided on the outer surface of the middle connecting disk 3 252, a limiting rod 2524 is slidably arranged in the slide groove 2523, a slide groove 3 2525 is fixedly arranged between the limiting rod 2524 and the side wall of the slide groove 2523, and a plurality of clamping plates 631 are fixedly arranged on the inner wall of the bottom end of the connecting cylinder 63. By means of the slide groove 2523 arranged on the middle connecting disk 3 252 and the limiting rod 2524 slidably arranged on the slide groove 2523, it is achieved that during the rotation of the rotating shaft 4, the inertia generated by the middle connecting disk 3 252 can push the limiting rod 2524 to move along the slide groove 2523 and resist against the clamping plate 631 on the connecting cylinder 63, thereby reinforcing the device again.

[0042] The specific scheme is as follows: when using the device, the staff first moves the device to a suitable position, fixes the device by means of the support columns 11 and the anti-skid plate 12 arranged on the bottom plate 1 of the device, then fixes the diesel engine body 2 and the water pump body 3 on the bottom plate 1, inserts the rotating shaft 4 in the device into the sleeve 5 of the device, and when inserted to a suitable position, the staff rotates the connecting tube 63, and the rotating connecting tube 63 can press down the sleeve 5, and the supporting column 11 arranged on the bottom plate 1 realizes the supporting function of the whole device, and at the same time, each supporting column 11 is arranged at the corner of the bottom plate 1 Thereby, each support column 11 can be evenly stressed during the support process, thereby avoiding damage to the support column 11 due to uneven stress during the support process. At the same time, the anti-skid plate 12 arranged on the bottom end of the support column 11 can increase the friction between the device and the ground, thereby avoiding the device from slipping during use. When the water pump body 3 is started, the inertia generated by the rotation of the rotating shaft 4 and the middle connecting disk three 252 can push the limit rod 2524 to move along the slide groove two 2523 and resist against the clamping plate 631 on the connecting tube 63, thereby reinforcing the device again.

[0043] A person skilled in the art should understand that the discussion of any of the above embodiments is only exemplary, and within the spirit of the present invention, the technical features in the above embodiments or in different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

[0044] The present invention is intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A direct connection mechanism between a diesel engine flywheel and a water pump shaft, comprising a base plate (1), a diesel engine body (2) and a water pump body (3), characterized in that: The diesel engine body (2) is fixedly connected to the base plate (1), the water pump body (3) is fixedly connected to the base plate (1), and the diesel engine body (2) and the water pump body (3) are connected via a connecting mechanism; The connection mechanism comprises a rotating shaft (4) directly fixedly connected to the output end of the water pump body (3); an intermediate connection disk (1) (25) is fixedly arranged on the diesel engine body (2); an intermediate connection disk (251) is fixedly arranged on the intermediate connection disk (1) (25); an intermediate connection disk (3) (252) is fixedly arranged on the upper portion of the intermediate connection disk (251); a threaded barrel (8) is fixedly arranged on the upper end surface of the threaded barrel (8) and is connected to the intermediate connection disk (251); A fixed cylinder (6) is coaxially arranged, the threaded cylinder (8) is provided with a thread, a sleeve (5) is rotatably arranged in the fixed cylinder (6), a slide groove (2521) is provided on the intermediate connecting disk (252), an extrusion plate (7) is slidably arranged on the slide groove (2521), a spring (2522) is fixedly connected between the extrusion plate (7) and the slide groove (2521), and a control unit for controlling the movement of the extrusion plate (7) is provided on the intermediate connecting disk (252).

2. A diesel engine flywheel and water pump shaft direct connection mechanism according to claim 1, characterized in that: A plurality of mutually parallel support columns (11) are fixedly arranged on the bottom plate (1), and each of the support columns (11) is evenly arranged at each corner of the bottom plate (1), and an anti-slip plate (12) is fixedly arranged on the support column (11).

3. A diesel engine flywheel and water pump shaft direct connection mechanism according to claim 1, characterized in that: The diesel engine body (2) comprises a support plate (21) fixedly connected to the base plate (1), a protective shell (23) being fixedly arranged on the support plate (21), reinforcing ribs (22) being fixedly arranged between the base plate (1) and the protective shell (23), and the reinforcing ribs (22) are arranged in a right-angled triangle.

4. A diesel engine flywheel and water pump shaft direct connection mechanism according to claim 1, characterized in that: A placement plate (31) is fixedly arranged on the upper end surface of the bottom plate (1); the placement plate (31) is fixedly connected to the water pump body (3); a fixing frame (32) is fixedly arranged between the water pump body (3) and the placement plate (31); and two fixing frames (32) are evenly distributed on both sides of the water pump body (3).

5. A diesel engine flywheel and water pump shaft direct connection mechanism according to claim 1, characterized in that: The control unit comprises a sleeve (5) threadedly connected in the threaded cylinder (8), and an extrusion groove is provided in the sleeve (5), and the extrusion groove is in contact with the outer wall of the extrusion plate (7).

6. A diesel engine flywheel and water pump shaft direct connection mechanism according to claim 5, characterized in that: The extrusion groove is arranged in a funnel shape with a smaller end toward the water pump body (3) and a larger end away from the water pump body (3).

7. A diesel engine flywheel and water pump shaft direct connection mechanism according to claim 1, characterized in that: A second swivel ring (65) is slidably arranged in the fixed cylinder (6), a connecting plate (601) is fixedly arranged on the second swivel ring (65), a swivel ring (60) is fixedly arranged on the connecting plate (601), a clamping groove (602) is arranged between the first swivel ring (60) and the second swivel ring (65), and the clamping groove (602) and the sleeve (5) are mutually locked, and a third spring (66) is fixedly arranged between the second swivel ring (65) and the threaded cylinder (8).

8. A diesel engine flywheel and water pump shaft direct connection mechanism according to claim 7, characterized in that: A connecting tube (63) is fixedly arranged on the third intermediate connecting plate (252), a connecting ring (64) is rotatably arranged on the connecting tube (63), an extension plate (61) is fixedly arranged on the outer wall of the connecting plate (601), a bolt (62) is arranged on the extension plate (61), and the bolt (62) is threadedly connected to the connecting ring (64).

9. A diesel engine flywheel and water pump shaft direct connection mechanism according to claim 8, characterized in that: A plurality of evenly arranged slide grooves (2523) are provided on the outer surface of the intermediate connecting plate (252), a limit rod (2524) is slidably arranged inside the slide groove (2523), a slide groove (2525) is fixedly arranged between the limit rod (2524) and the side wall of the slide groove (2523), and a plurality of clamping plates (631) are fixedly arranged on the inner wall of the bottom end of the connecting tube (63).

10. A connection process of a diesel engine flywheel and a water pump shaft direct connection mechanism, comprising a diesel engine flywheel and a water pump shaft direct connection mechanism as claimed in any one of claims 1 to 9, characterized in that: Including the following processes: S1, when using the device, the staff first moves the device to a suitable position, fixes the base plate (1) on the ground, and then fixes the diesel engine body (2) and the water pump body (3) on the base plate (1); S2, one end of the rotating shaft (4) is directly fixedly connected to the rotating blades in the water pump body (3), and the other end of the rotating shaft (4) is inserted into the sleeve (5) of the device, and when it is inserted into a suitable position, the staff rotates the control unit, and the rotating control unit can press the sleeve (5) downward, and in the process of the sleeve (5) moving downward, it can press the extrusion plate (7) slidably arranged in the slide groove (2521) to move toward each other, and at this time, the extrusion plate (7) can clamp the fixed rotating shaft (4); S3, after the rotating shaft (4) is fixed, the middle connecting plate 1 (25) is fixed to achieve connection and fixation.

Images