Internal combustion locomotive oil filter overhauling device convenient to use

Abstract

The utility model discloses a diesel locomotive oil filter overhauling device convenient to use, belongs to the technical field of railway diesel locomotive overhauling equipment, and is used for overhauling a diesel locomotive oil filter. According to the technical scheme, a platform is fixed to the upper surface of the front end of a platform base, the platform base is fixedly connected to the upper surface of a rotating seat, the lower end of a fixed arm is perpendicularly fixed to the platform base, a locking arm is an inverted L-shaped arm, and the lower end of a straight arm of the locking arm is rotationally connected with the upper end of the fixed arm through a lower rotating shaft; the right-angle inflection point of the locking arm is rotationally connected with the front end of the pressing arm through an upper rotating shaft, a movable arm is connected between the pressing arm and the platform base, the front end of a transverse arm of the locking arm is connected with the adjusting rod outer sleeve in a welded mode, a rod body of the pressing adjusting rod is located in the adjusting rod outer sleeve, and an arc-shaped clamp is fixed to the lower end of the pressing adjusting rod. The oil filter maintenance tool can adapt to oil filters with various diameters, cannot cause damage and deformation to a filter shell, can carry out maintenance work in all directions, and improves the maintenance efficiency.

Description

Technical Field

[0001] The utility model is a railway diesel locomotive maintenance device, belonging to the technical field of railway diesel locomotive maintenance equipment. Background Art

[0002] The oil filter is a vital component of railway diesel locomotives. There are two types of oil filters: the larger main engine oil filter and the smaller supercharger fine filter, both of which are cylindrical in design. Diesel locomotives require regular maintenance, which requires the removal and installation of the oil filter. Currently, there is no dedicated equipment for this purpose, and maintenance workers use general-purpose equipment such as inspection platforms and bench vises. Due to its cylindrical shape, the oil filter easily rolls during inspection on the platform, causing oil to spill onto the platform and significantly impacting work. There is also no suitable device for securing the filter when removing the bolts on the platform, and clamping the filter with a bench vise can easily deform it. Consequently, oil filter maintenance is currently inconvenient and inefficient, leading to an urgent need for a specialized inspection clamping device. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide an easy-to-use internal combustion engine oil filter maintenance device, which can fix the oil filter during the maintenance process of the internal combustion engine oil filter, not only facilitating the maintenance work, but also improving the maintenance efficiency and preventing oil from spilling and polluting the environment.

[0004] The technical solution to the above technical problems is:

[0005] A convenient internal combustion locomotive oil filter maintenance device includes a platform, a platform base, a rotating seat, a fixed arm, a locking arm, a clamping arm, a clamping adjustment rod, and a movable arm. The platform is a rectangular flat plate, the platform base is a rectangular parallelepiped, the platform is fixed to the front upper surface of the platform base, the rotating seat is a disc, the platform base is fixedly connected to the upper surface of the rotating seat, the lower end of the fixed arm is vertically fixed to the platform base behind the platform, the locking arm is an inverted L-shaped arm, and the lower end of the straight arm of the L-shaped arm of the locking arm is connected to the lower rotating shaft through the lower rotating shaft. The upper end of the fixed arm is rotatably connected, and the right-angle inflection point of the L-shaped arm of the locking arm is rotatably connected to the front end of the clamping arm through the upper rotating shaft. The clamping arm is a horizontally placed long rod, and a movable arm is connected between the clamping arm and the platform base. The rear end of the clamping arm is a pressing handle, and the front end of the horizontal arm of the L-shaped arm of the locking arm is welded to the outer sleeve of the adjusting rod of the clamping adjusting rod. The rod body of the clamping adjusting rod is located in the outer sleeve of the adjusting rod. The lower end of the clamping adjusting rod is fixed with an arc clamp, and the curvature of the arc clamp matches the curvature of the outer wall of the oil filter.

[0006] The above-mentioned easy-to-use diesel locomotive oil filter maintenance device has a long groove along the length of the straight arm in the middle of the straight arm of the L-shaped arm of the locking arm, the upper end of the long groove is open above the right-angle inflection point of the L-shaped arm of the locking arm, and there are rotating shaft holes on the straight arms on both sides of the upper end of the long groove. The front end of the clamping arm is embedded in the long groove of the straight arm of the locking arm and is connected to the upper rotating shaft.

[0007] The above-mentioned easy-to-use diesel locomotive oil filter maintenance device has a pin shaft hole in the middle of the clamping arm, a pin shaft hole that horizontally penetrates the platform base in the middle of the platform base, and the two movable arms are rectangular strips. There are through holes at both ends of the two movable arms. The two movable arms are respectively located on both sides of the clamping arm. The through holes at both ends of the two movable arms are respectively opposite to the pin shaft hole in the middle of the clamping arm and the pin shaft hole in the middle of the platform base. The two movable pin shafts connect the upper and lower ends of the two movable arms to the clamping arm and the platform base respectively through the through holes and the pin shaft holes, and the two movable pin shafts are rotatably matched with the through holes and the pin shaft holes respectively.

[0008] The above-mentioned easy-to-use diesel locomotive oil filter maintenance device, the outer sleeve of the adjusting rod is a threaded tube, the rod body of the tightening adjusting rod is a screw, the tightening adjusting rod and the outer sleeve of the adjusting rod are threadedly connected, the upper end of the tightening adjusting rod is equipped with an adjusting handwheel, and a ball-type connector is installed between the lower end of the tightening adjusting rod and the arc-shaped clamp.

[0009] The above-mentioned easy-to-use diesel locomotive oil filter maintenance device has a safety lock rod vertically fixed on the lower end surface of the middle part of the clamping arm, and a lock rod socket is provided on the rear upper surface of the platform base opposite to the lower end of the safety lock rod. The lower end of the safety lock rod is inserted into the lock rod socket, and the safety lock rod and the lock rod socket are slidably matched. A horizontal locking screw hole is provided on the rear end wall of the platform base and is connected to the lock rod socket, and the locking bolt is tightly connected to the safety lock rod through the locking screw hole.

[0010] The above-mentioned easy-to-use diesel locomotive oil filter maintenance device, the rotating seat consists of a rotating disk and a fixed disk, the rotating disk and the fixed disk are placed overlapping, the platform base is fixedly connected to the disk surface of the rotating disk by base bolts, the rotating disk is evenly provided with four connecting holes that penetrate the disk surface, the upper surface of the fixed disk is provided with corresponding fixing screw holes, fixing bolts I fix the rotating disk and the fixed disk through the connecting holes and the fixing screw holes, four mounting screw holes are evenly provided on the bottom surface of the fixed disk, the mounting bolts connect the fixed disk to the maintenance platform through the mounting screw holes, a thrust bearing is installed between the rotating disk and the fixed disk, the upper end surface of the fixed disk has a circular groove, the thrust bearing is installed in the circular groove, the lower bottom surface of the rotating disk has a cylindrical protrusion, the diameter of the cylindrical protrusion matches the inner hole diameter of the thrust bearing, the cylindrical protrusion is embedded in the inner hole of the thrust bearing, the center of the fixed disk and the rotating disk are rotatably connected by fixing bolts II.

[0011] The beneficial effects of the utility model are:

[0012] The fixing arm, locking arm, pressing arm and movable arm of the utility model are a four-bar mechanism, and the locking arm is driven to move by lifting and pressing the pressing arm, so as to achieve the purpose of locking and pressing the filter; the pressing adjustment rod installed at the front end of the pressing arm is a screw rod, and the pressing adjustment rod can move up and down through the threaded outer sleeve to complete the fixing of filter housings with different diameters; the upper end of the pressing adjustment rod is provided with an adjusting hand wheel, and the pressing adjustment rod can be rotated, and the arc clamp at the lower end of the pressing adjustment rod can better clamp the cylindrical housing of the filter, and the spherical connector between the lower end of the pressing adjustment rod and the arc clamp can better fit the workpiece displacement generated when the clamp is used; the safety locking rod can lock the pressing arm and the platform base to ensure that the pressing arm is positioned during the maintenance process; a thrust bearing is installed between the rotating disk and the fixed disk, and the rotating disk can be flexibly rotated, and the fixing bolt rotatably connects the rotating disk with the fixed disk to ensure the positioning of the rotating disk.

[0013] The utility model has a reasonable structure and is easy to use. The oil filter can be fixed during the maintenance process and can adapt to oil filters of various diameters without causing damage or deformation to the filter housing. The maintenance work can be carried out in all directions, thereby improving the maintenance efficiency and preventing oil from spilling and polluting the environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural diagram of the utility model;

[0015] Figure 2 It is a schematic diagram of the connection between the safety lock rod and the platform base;

[0016] Figure 3 It is a structural diagram of the rotating disk and the fixed disk;

[0017] Figure 4 It is a side view of FIG3.

[0018] The numbers in the figure are as follows: platform 1, platform base 2, rotating base 3, fixed arm 4, locking arm 5, clamping arm 6, clamping adjusting rod 7, movable arm 8, upper rotating shaft 9, lower rotating shaft 10, adjusting rod outer sleeve 11, arc clamp 12, ball connector 13, adjusting handwheel 14, long slot 15, movable pin 16, safety locking rod 17, locking rod socket 18, locking screw hole 19, locking bolt 20, rotating disk 21, fixed disk 22, thrust bearing 23, circular groove 24, cylindrical protrusion 25, base bolt 26, connecting hole 27, fixing screw hole 28, fixing bolt I 29, mounting screw hole 30, fixing bolt II 31. DETAILED DESCRIPTION

[0019] The utility model is composed of a platform 1, a platform base 2, a rotating seat 3, a fixed arm 4, a locking arm 5, a pressing arm 6, a pressing adjustment rod 7, a movable arm 8, and a safety locking rod 17.

[0020] Figure 1 As shown, the platform 1 is a rectangular flat plate, the platform base 2 is a rectangular parallelepiped, and the platform 1 is fixed to the front upper surface of the platform base 2. The oil filter is placed on the upper surface of the platform 1 during maintenance.

[0021] Figure 1 In order to facilitate the removal of internal oil and the removal and assembly of the end caps when inspecting the filter, a rotating base 3 is fixedly connected to the bottom of the platform base 2. The rotating base 3 is composed of a rotating disk 21 and a fixed disk 22, which are placed overlapping. The platform base 2 is fixedly connected to the upper surface of the rotating disk 21 of the rotating base 3. The platform base 2 is fixedly connected to the disk surface of the rotating disk 21 by base bolts 26. The bottom surface of the fixed disk 22 is evenly distributed with four mounting screw holes 30. The mounting bolts connect the fixed disk 22 of the rotating base 3 to the inspection platform through the mounting screw holes 30.

[0022] Figure 1 、 3 Figure 4 shows that to enable the rotating disk 21 and the fixed disk 22 to rotate, a thrust bearing 23 is installed between the rotating disk 21 and the fixed disk 22. A socket hole is drilled and tapped in the center of the rotating disk 21 and the fixed disk 22, which are connected by fixing bolts II 31. A circular groove 24 is formed in the center of the upper end surface of the fixed disk 22, and the thrust bearing 23 is mounted in the circular groove 24 of the upper end surface of the fixed disk 22. A cylindrical protrusion 25 is formed on the lower bottom surface of the rotating disk 21. The cylindrical protrusion 25 matches the central inner hole of the thrust bearing 23 and is embedded in the inner hole of the thrust bearing 23. The fixed disk 22 and the rotating disk 21 are rotatably connected by fixing bolts II 31 in the center.

[0023] Figure 1 、 3 During maintenance, several fixed positions are required to facilitate filter inspection, so a positioning device is provided on the rotating disk 21. The rotating disk 21 has four evenly spaced connection holes 27 extending through the disk surface, and corresponding fixing screw holes 28 are provided on the upper surface of the fixed disk 22. When the rotating disk 21 is rotated to the desired position, fixing bolts I 29 pass through the connection holes 27 and fixing screw holes 28 to securely connect the rotating disk 21 to the fixed disk 22. To move the position, the fixing bolts I 29 are loosened and removed, and the rotating disk 21 can be moved.

[0024] Figure 1As shown, the lower end of the fixed arm 4 is vertically fixed to the platform base 2 behind the platform 1, and the upper end of the fixed arm 4 is connected to the locking arm 5. The locking arm 5 is an inverted L-shaped arm. The right-angle inflection point of the L-shaped arm of the locking arm 5 is rotatably connected to the front end of the clamping arm 6 via the upper rotating shaft 9. The straight lower end of the L-shaped arm of the locking arm 5 is rotatably connected to the upper end of the fixed arm 4 via the lower rotating shaft 10. The front end of the horizontal arm of the L-shaped arm of the locking arm 5 is welded to the outer sleeve 11 of the adjustment rod of the clamping adjustment rod 7.

[0025] Figure 1 The clamping arm 6 is a horizontally placed long rod. A long slot 15 runs along the length of the L-shaped straight arm of the locking arm 5. The upper end of the slot 15 opens above the right-angle inflection point of the L-shaped arm of the locking arm 5. There are rotation axis holes on the straight arms on both sides of the upper end of the slot 15. The front end of the clamping arm 6 is embedded in the slot 15 of the straight arm of the locking arm 5 and connected to the upper rotation axis 9. The rear end of the clamping arm 6 is a downward pressing handle. By lifting and pressing the clamping arm 6, the locking arm 5 can be driven to move, achieving the purpose of locking and compressing the filter.

[0026] Figure 1 It is shown that a movable arm 8 is connected between the clamping arm 6 and the platform base 2. There is a pin hole in the middle of the clamping arm 6, and a pin hole that runs horizontally through the platform base 2 in the middle of the platform base 2. The two movable arms 8 are rectangular slats, and there are through holes at both ends of the two movable arms 8. The two movable arms 8 are respectively located on both sides of the clamping arm 6. The through holes at both ends of the two movable arms 8 are respectively opposite to the pin hole in the middle of the clamping arm 8 and the pin hole in the middle of the platform base 2. Two movable pins 16 connect the upper end and lower end of the two movable arms 8 to the clamping arm 6 and the platform base 2 respectively through the through holes and the pin holes. The two movable pins 16 are rotationally matched with the through holes and the pin holes respectively.

[0027] Figure 1 The outer sleeve 11 of the adjustment rod is a threaded tube, and the rod body of the compression adjustment rod 7 is a screw. The rod body of the compression adjustment rod 7 is located within the outer sleeve 11 of the adjustment rod. The compression adjustment rod 7 and the outer sleeve 11 of the adjustment rod are threadedly connected. The upper end of the compression adjustment rod 7 is mounted with an adjustment handwheel 14. Turning the adjustment handwheel 14 can adjust the upper and lower positions of the compression adjustment rod 7 to tighten or loosen the clamped oil filter. The lower end of the compression adjustment rod 7 is fixed with an arc-shaped clamp 12. The arc of the arc-shaped clamp 12 matches the arc of the outer wall of the oil filter. The arc-shaped clamp 12 can better fix the cylindrical shell when clamping the filter. A spherical connector 13 is installed between the lower end of the compression adjustment rod 7 and the arc-shaped clamp 12. The spherical connector 13 can better accommodate the workpiece displacement caused by the clamp.

[0028] Figure 1 、 2As shown, a safety lock rod 17 is vertically fixed to the lower end surface of the middle portion of the clamping arm 6. A lock rod insertion hole 18 is provided on the upper surface of the platform base 2, facing the lower end of the safety lock rod 17. The lower end of the safety lock rod 17 is inserted into the lock rod insertion hole 18, and the safety lock rod 17 and the lock rod insertion hole 18 are in a sliding fit. A horizontal locking screw hole 19 is provided on the rear end wall of the platform base 2, which is connected to the lock rod insertion hole 18. A locking bolt 20 is tightened against the safety lock rod 17 through the locking screw hole 19.

[0029] The use process of this utility model is as follows:

[0030] When inspecting the oil filter, place the oil filter on the platform 1, rotate the rotating disk 21 to the appropriate inspection position, and use the fixing bolts I 29 to fix the rotating disk 21 and the fixing disk 22; press down the clamping arm 6, tighten the locking bolts 20 on the side of the safety lock rod 17, and fix the safety lock rod 17 and the clamping arm 6; turn the adjusting hand wheel 14 to adjust the upper and lower positions of the clamping adjustment rod 7, so that the arc-shaped clamp 12 clamps the oil filter to complete the clamping work;

[0031] When the oil filter needs to be rotated, loosen the fixing bolts I 29, rotate the rotating disk 21 to another maintenance position, and then fix the rotating disk 21 with the fixing bolts I 29 to carry out maintenance work;

[0032] When the inspection is completed, loosen the locking bolt 20 on the side of the safety lock rod 17, lift the safety lock rod 17 and the clamping arm 6, and remove the workpiece.

[0033] An embodiment of the present invention is as follows:

[0034] Platform 1 has a length of 200 mm, a width of 100 mm, and a thickness of 8 mm;

[0035] The platform base 2 has a length of 300 mm, a width of 100 mm, and a thickness of 8 mm;

[0036] The diameter of the rotating disk 21 is 250 mm and the thickness is 40 mm;

[0037] The diameter of the fixed plate 22 is 250 mm and the thickness is 40 mm;

[0038] The model of the thrust bearing 23 is 40x68x19;

[0039] The fixed arm 4 has a length of 100 mm, a width of 50 mm, and a thickness of 8 mm;

[0040] The length of the straight arm of the locking arm 5 is 200 mm, and the length of the horizontal arm is 50 mm;

[0041] The length of the clamping arm 6 is 400 mm, the width is 50 mm, and the thickness is 8 mm;

[0042] The length of the clamping adjustment rod 7 is 200 mm and the diameter is 20 mm;

[0043] The length of the outer sleeve 11 of the adjusting rod is 50mm, and the inner hole diameter is 20mm;

[0044] The movable arm 8 has a length of 170 mm, a width of 50 mm and a thickness of 8 mm;

[0045] The safety lock rod 17 has a length of 120 mm and a diameter of 10 mm.

Claims

1. A convenient diesel locomotive oil filter maintenance device, characterized by: It includes a platform (1), a platform base (2), a rotating seat (3), a fixed arm (4), a locking arm (5), a pressing arm (6), a pressing adjustment rod (7), and a movable arm (8). The platform (1) is a rectangular flat plate, the platform base (2) is a rectangular parallelepiped, the platform (1) is fixed to the front upper surface of the platform base (2), the rotating seat (3) is a disc, the platform base (2) is fixedly connected to the upper surface of the rotating seat (3), the lower end of the fixed arm (4) is vertically fixed to the platform base (2) behind the platform (1), the locking arm (5) is an inverted L-shaped arm, and the lower end of the straight arm of the L-shaped arm of the locking arm (5) is connected to the fixed arm (4) through the lower rotating shaft (10). The upper end of the locking arm (5) is rotatably connected, the right-angle turning point of the L-shaped arm of the locking arm (5) is rotatably connected to the front end of the clamping arm (6) through the upper rotating shaft (9), the clamping arm (6) is a horizontally placed long rod, a movable arm (8) is connected between the clamping arm (6) and the platform base (2), the rear end of the clamping arm (6) is a pressing handle, the front end of the horizontal arm of the L-shaped arm of the locking arm (5) is welded to the adjusting rod outer sleeve (11) of the clamping adjusting rod (7), the rod body of the clamping adjusting rod (7) is located in the adjusting rod outer sleeve (11), and the lower end of the clamping adjusting rod (7) is fixed with an arc clamp (12), the arc of the arc clamp (12) matches the arc of the outer wall of the oil filter.

2. The easy-to-use diesel locomotive oil filter maintenance device according to claim 1 is characterized in that: A long slot (15) is provided in the middle of the straight arm of the L-shaped arm of the locking arm (5) along the length direction of the straight arm. The upper end of the long slot (15) is open above the right-angle turning point of the L-shaped arm of the locking arm (5). There are rotating shaft holes on the straight arms on both sides of the upper end of the long slot (15). The front end of the clamping arm (6) is embedded in the long slot (15) of the straight arm of the locking arm (5) and is connected to the upper rotating shaft (9).

3. The easy-to-use diesel locomotive oil filter maintenance device according to claim 1 is characterized in that: The middle of the clamping arm (6) has a pin hole, the middle of the platform base (2) has a pin hole that passes through the platform base (2) horizontally, the two movable arms (8) are respectively rectangular strips, and the two ends of the two movable arms (8) have through holes. The two movable arms (8) are respectively located on both sides of the clamping arm (6), and the through holes at the two ends of the two movable arms (8) are respectively opposite to the pin hole in the middle of the clamping arm (6) and the pin hole in the middle of the platform base (2). The two movable pins (16) connect the upper and lower ends of the two movable arms (8) to the clamping arm (6) and the platform base (2) respectively through the through holes and the pin holes. The two movable pins (16) are respectively rotatably matched with the through holes and the pin holes.

4. The easy-to-use diesel locomotive oil filter maintenance device according to claim 1 is characterized in that: The inner hole of the outer sleeve (11) of the adjusting rod is threaded, the rod body of the tightening adjusting rod (7) is a screw rod, the tightening adjusting rod (7) and the outer sleeve (11) of the adjusting rod are threadedly connected, an adjusting hand wheel (14) is installed at the upper end of the tightening adjusting rod (7), and a ball connector (13) is installed between the lower end of the tightening adjusting rod (7) and the arc clamp (12).

5. The easy-to-use diesel locomotive oil filter maintenance device according to claim 1 is characterized in that: A safety lock rod (17) is vertically fixed on the lower end surface of the middle part of the clamping arm (6), and a lock rod insertion hole (18) is provided on the rear upper surface of the platform base (2) opposite to the lower end of the safety lock rod (17). The lower end of the safety lock rod (17) is inserted into the lock rod insertion hole (18), and the safety lock rod (17) and the lock rod insertion hole (18) are slidably matched. A horizontal locking screw hole (19) is provided on the rear end wall of the platform base (2) and is connected to the lock rod insertion hole (18). The locking bolt (20) is tightly connected to the safety lock rod (17) through the locking screw hole (19).

6. The easy-to-use diesel locomotive oil filter maintenance device according to claim 1 is characterized in that: The rotating seat (3) is composed of a rotating disk (21) and a fixed disk (22). The rotating disk (21) and the fixed disk (22) are placed overlappingly. The platform base (2) is fixedly connected to the disk surface of the rotating disk (21) through the base bolts (26). There are four connection holes (27) evenly distributed on the rotating disk (21) and penetrating the disk surface. There are corresponding fixing screw holes (28) on the upper surface of the fixed disk (22). The fixing bolts I (29) connect the rotating disk (21) and the fixed disk (22) to rotate relative to each other through the connection holes (27) and the fixing screw holes (28). Four mounting screw holes (30) are evenly distributed on the bottom surface of the fixed disk (22). The mounting bolts connect the fixed disk (22) to the maintenance platform through the mounting screw holes (30).

7. The easy-to-use diesel locomotive oil filter maintenance device according to claim 6 is characterized in that: A thrust bearing (23) is installed between the rotating disk (21) and the fixed disk (22). The upper end surface of the fixed disk (22) has a circular groove (24), and the thrust bearing (23) is installed in the circular groove (24). The lower bottom surface of the rotating disk (21) has a cylindrical protrusion (25). The diameter of the cylindrical protrusion (25) matches the inner hole diameter of the thrust bearing (23). The cylindrical protrusion (25) is embedded in the inner hole of the thrust bearing (23). The center of the fixed disk and the rotating disk (21) is connected by a fixing bolt II (31) for rotation.

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