Railway wagon side frame lifting lug drilling device

Abstract

The invention discloses a railway wagon side frame lifting lug drilling device, and belongs to the technical field of mechanical equipment design. The railway wagon side frame lifting lug drilling device comprises a jig frame, a longitudinal positioning block, a drill plate device, a rotating seat, a transverse positioning block, a longitudinal clamping device and a transverse clamping device, the longitudinal positioning baffle is arranged on a longitudinal and transverse positioning mounting seat of the jig frame; the drill plate device is arranged on the drill plate supporting mechanism of the jig frame and is rotationally connected with the rotating seat; the rotating seats are arranged on the two sides of the drill plate mounting seat of the jig frame; the two transverse positioning baffles are respectively arranged on a transverse positioning mounting seat and a longitudinal and transverse positioning mounting seat on the jig frame; the longitudinal clamping device is arranged on one side of a bottom plate of the jig frame, the transverse clamping device is arranged on the bottom plate of the jig frame and below a drill plate supporting mechanism of the jig frame, and each clamping device comprises an air cylinder, an air cylinder ejector head and a lever. The device can automatically and quickly position and clamp the side frame, and well solves the problems of low efficiency, high labor intensity and the like when the lifting lug hole of the side frame is drilled.

Description

Technical Field:

[0001] The present invention belongs to the technical field of mechanical equipment design, especially to the technical field of railway vehicle component assembly equipment design, and particularly relates to a device for drilling holes in the side frame lugs of railway freight cars. Background Art:

[0002] The side frame lugs of railway freight cars are symmetrically distributed on both sides of the central guide frame of the side frame and are used to connect the brake beam. The lug holes are completed by drilling, and the processing accuracy requirements are very high. At present, the manufacturing process of domestic freight car manufacturing enterprises is to first mark the waist line of the side frame and the processing line of the lug holes, and then use the top and screw pressure plates to achieve the alignment and clamping of the side frame. This method has low efficiency, high labor intensity, high requirements for the operator's skills, and it is difficult to guarantee the product quality. Summary of the Invention:

[0003] According to the deficiencies of the prior art, the present invention provides a special device for drilling holes in the side frame lugs of railway freight cars, which has a simple, reliable structure, simple operation, and has automatic positioning, clamping, and adjustable structure.

[0004] To achieve the above object, the present invention adopts the following technical solutions:

[0005] The present invention provides a device for drilling holes in the side frame lugs of railway freight cars. The side frame lug drilling device includes a jig and longitudinal positioning stops, a drill template device, a rotating seat, transverse positioning stops, a longitudinal clamping device, and a transverse clamping device arranged on the jig according to the side frame structure and the position of the lugs thereon; the jig is a support body with a rectangular platform structure, and the jig includes a bottom plate, longitudinal and transverse positioning mounting seats, a drill template support mechanism, a drill template mounting seat, a support device, a transverse positioning mounting seat, a lever connection device, and an adjustable support. The bottom plate is horizontally arranged. On one side of the bottom plate, longitudinal and transverse positioning mounting seats and a support device are arranged. On the other side of the bottom plate, a transverse positioning mounting seat, a lever connection device, and a support device are arranged. The two support devices are symmetrically arranged left and right. On the middle of the bottom plate, an adjustable support, a drill template support mechanism, and a drill template mounting seat are arranged; the longitudinal positioning stops are arranged on the longitudinal and transverse positioning mounting seats; the drill template device is arranged on the drill template support mechanism and is connected to the rotating seat through a round pin; the rotating seat is arranged on both sides of the drill template mounting seat; there are two transverse positioning stops, which are respectively arranged on the transverse positioning mounting seat and the longitudinal and transverse positioning mounting seats; the longitudinal clamping device is arranged on one side of the bottom plate, and the transverse clamping device is arranged on the bottom plate and below the drill template support mechanism. The longitudinal clamping device and the transverse clamping device have the same structure, and both include a cylinder, a cylinder head, and a lever. The lever is connected to the lever connection device through a round pin.

[0006] All fixings of the side frame lug drilling device are connected by bolts through oblong holes.

[0007] The longitudinal and transverse positioning mounting seats are provided with oblong holes in both the transverse and longitudinal directions.

[0008] The longitudinal positioning stop is formed by welding a rib plate a, a vertical plate a, a positioning plate a and a base a; the vertical plate a is vertically and fixedly arranged on the base a, the positioning plate a is fixedly arranged on one side of the vertical plate a, and two rib plates a are symmetrically and fixedly arranged on the other side, and the base a is connected to the longitudinal and transverse positioning mounting seat through bolts.

[0009] The drill template device is formed by welding a drill template, a hinge seat and drill sleeves. The drill template is of a rectangular structure, with a rectangular through hole arranged in the middle, two drill sleeves symmetrically arranged on both sides of the rectangular through hole, and two hinge seats fixedly arranged on one long side of the rectangular drill template.

[0010] The rotating seat is formed by welding an ear seat plate and a base; the ear seat plate is vertically and fixedly arranged on the base; the ear seat plate is connected to the drill template device through a round pin; the base is fixedly connected to the drill template mounting seat through bolts.

[0011] The transverse positioning stop is formed by welding a positioning plate b, a vertical plate b, rib plates b and a base b; the vertical plate b is vertically and fixedly arranged on the base b, the positioning plate b is fixedly arranged on one side of the vertical plate b, and two rib plates b are symmetrically and fixedly arranged on the other side; the base b is connected to the longitudinal and transverse positioning mounting seat and the transverse positioning mounting seat through bolts.

[0012] The transverse positioning mounting seat is provided with an oblong hole in the transverse direction.

[0013] The longitudinal clamping device is connected to the bottom plate of the jig through the bolt holes on the cylinder base.

[0014] The transverse clamping device is connected to the bottom plate of the jig through the bolt holes on the cylinder base.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. The present invention is used for drilling the ear hole of the side frame of a railway freight car. Taking the inner side surface and the top surface of the side frame guide as the positioning reference and the cylinder as the power, it can automatically and quickly realize the positioning and clamping of the side frame, and preferably solves the problems of low efficiency and large labor intensity when drilling the ear hole of the side frame. A detachable rotary drill jig is provided to improve the flexibility of the device and solve the manufacturing technical problems that the hole distance and position accuracy of the ear hole of the side frame cannot be guaranteed. At the same time, the rotary seat and the drill template mounting seat, the longitudinal positioning stop and the longitudinal and transverse positioning mounting seat, the transverse positioning stop and the transverse positioning mounting seat, etc. all adopt bolt connection structures, which are convenient for disassembly and transformation and are suitable for drilling the ear holes of different models of side frames.

[0017] 2. The clamping functions of the longitudinal clamping device and the transverse clamping device of the present invention are realized through the structure of an air cylinder plus a connecting rod. The air cylinder serves as the power source. The clamping device has a simple and reliable structure, is convenient to operate, and can quickly realize the automatic clamping of the side frame. At the same time, compared with the hydraulic clamping structure, there is no risk of oil leakage, it is more environmentally friendly and has low energy consumption.

[0018] 3. The fixing of the tire rack, longitudinal positioning block, transverse positioning block, longitudinal clamping device and transverse clamping device of the present invention is all realized by bolts through oblong holes, which is not only convenient for disassembly but also realizes the adjustability of the positions of the positioning and clamping mechanisms in the transverse and longitudinal directions, increasing the flexible function of the device and meeting the drilling of the lifting lugs of different types of side frames. Description of the drawings:

[0019] Figure 1 is the structural schematic diagram of the use state of the present invention;

[0020] Figure 2 is the structural schematic diagram of the present invention;

[0021] Figure 3 is the structural schematic diagram of the tire rack of the present invention;

[0022] Figure 4 is the structural schematic diagram of the longitudinal positioning block of the present invention;

[0023] Figure 5 is the structural schematic diagram of the transverse positioning block of the present invention;

[0024] Figure 6 is the structural schematic diagram of the rotating seat of the present invention;

[0025] Figure 7 is the structural schematic diagram of the drill template device of the present invention;

[0026] Figure 8 is the structural schematic diagram of the longitudinal clamping device of the present invention;

[0027] Reference numerals in the drawings:

[0028] 1 - pressing plate, 2 - side frame, 3 - tire rack, 4 - longitudinal positioning block, 5 - drill template device, 6 - rotating seat, 7 - transverse positioning block, 8 - longitudinal clamping device, 9 - transverse clamping device, 10 - rib plate a, 11 - vertical plate a, 12 - positioning plate a, 13 - base a, 14 - positioning plate b, 15 - vertical plate b, 16 - rib plate b, 17 - base b, 18 - ear seat plate, 19 - base, 20 - hinge seat, 21 - drill template, 22 - drill bushing, 23 - bottom plate, 24 - longitudinal and transverse positioning and installation seat, 25 - drill template support mechanism, 26 - drill template installation seat, 27 - support device, 28 - transverse positioning and installation seat, 29 - lever connection device, 30 - adjustable support, 31 - air cylinder, 32 - air cylinder head, 33 - lever. Detailed implementation mode:

[0029] The present invention will be described below in conjunction with the specific implementation mode. The specific implementation mode is an explanation of the principle of the present invention and does not limit the present invention in any way. The same or similar technologies to the present invention do not exceed the protection scope of the present invention.

[0030] See Figures 1-8 , the present invention provides a drilling device for the side frame lifting lugs of railway freight cars, which is a special device for drilling the side frame lifting lugs of railway freight cars. The side frame lifting lug drilling device includes a jig 3 and a longitudinal positioning stop 4, a drill template device 5, a rotating seat 6, a transverse positioning stop 7, a longitudinal clamping device 8 and a transverse clamping device 9 arranged on the jig 3. The longitudinal positioning stop 4, the drill template device 5, the rotating seat 6, the transverse positioning stop 7, the longitudinal clamping device 8 and the transverse clamping device 9 are arranged on the jig 3 according to the structure of the side frame 2 and the position of the lifting lugs thereon.

[0031] The jig 3 is a support body with a rectangular platform structure. The jig 3 is mainly composed of a bottom plate 23, longitudinal and transverse positioning mounting seats 24, a drill template support mechanism 25, a drill template mounting seat 26, a support device 27, a transverse positioning mounting seat 28, a lever connection device 29 and an adjustable support 30, which are assembled by welding and are used for fixing the longitudinal positioning stop 4, the rotating seat 6, the transverse positioning stop 7, the longitudinal clamping device 8 and the transverse clamping device 9. The bottom plate 23 is arranged horizontally. On one side of the bottom plate 23, the longitudinal and transverse positioning mounting seats 24 and the support device 27 are welded. On the other side, the transverse positioning mounting seat 28, the lever connection device 29 and the support device 27 are welded. The two support devices 27 are symmetrically arranged left and right. In the middle of the bottom plate 23, the adjustable support 30, the drill template support mechanism 25 and the drill template mounting seat 26 are welded. The support devices 27 and the adjustable support 30 on both sides of the bottom plate 23 form a three-point support structure for the side frame.

[0032] The longitudinal positioning stop 4 is arranged on the longitudinal and transverse positioning mounting seat 24 on one side of the jig 3; the longitudinal positioning stop 4 is composed of a rib plate a10, a vertical plate a11, a positioning plate a12 and a base a13, which are assembled by welding and are used for the longitudinal positioning of the side frame 2; the vertical plate a11 is vertically fixed on the base a13. On one side of the vertical plate a11, the positioning plate a12 is fixed, and on the other side, two rib plates a10 are symmetrically fixed. The base a13 is connected to the longitudinal and transverse positioning mounting seat 24 by bolts, which is convenient for disassembly and transformation to meet the positioning of different models of side frames 2. The longitudinal and transverse positioning mounting seat 24 is provided with oblong holes in both the transverse and longitudinal directions, which are used for the transverse movement adjustment of the transverse positioning stop 7 and the longitudinal movement adjustment of the longitudinal positioning stop 4 to meet the positioning of different models of side frames.

[0033] The described drill template device 5 is arranged on the drill template support mechanism 25 at the middle edge of the jig 3 and is connected to the rotating seat 6 through a round pin. The drill template device 5 is formed by welding the drill template 21, the hinge seat 20 and the drill bushing 22, and is used for drilling positioning to ensure the position accuracy when drilling the lug holes of the side frame 2. The drill template 21 is of a rectangular structure, with a rectangular through hole provided in the middle. Two drill bushings 22 are symmetrically arranged on both sides of the rectangular through hole. Two hinge seats 20 are fixedly arranged on one long side of the rectangular drill template 21.

[0034] The described rotating seat 6 is located at the middle edge of the jig 3 and is arranged on both sides of the drill template mounting seat 26. The rotating seat 6 is formed by welding the ear seat plate 18 and the base 19. The ear seat plate 18 is vertically fixed on the base 19. The ear seat plate 18 is connected to the drill template device 5 through a round pin to realize the flipping function of the drill template device 5, which is convenient for the loading and unloading of the side frame 2; the base 19 is fixedly connected to the drill template mounting seat 26 through bolts. The rotating seat 6 is used to connect the drill template device 5 and the drill template mounting seat.

[0035] There are two described lateral positioning stops 7, which are located on both sides of the jig 3 and are respectively arranged on the lateral positioning mounting seat 28 and the longitudinal and lateral positioning mounting seat 24 on the jig 3. The lateral positioning stop 7 is formed by welding the positioning plate b14, the vertical plate b15, the rib plate b16 and the base b17, and is used for the lateral positioning of the side frame 2. The vertical plate b15 is vertically fixed on the base b17. The positioning plate b14 is fixedly arranged on one side of the vertical plate b15, and two rib plates b16 are symmetrically fixedly arranged on the other side. The base b17 is connected to the longitudinal and lateral positioning mounting seat 24 and the lateral positioning mounting seat 28 through bolts, which is convenient for disassembly and transformation to meet the positioning of different models of side frames 2. The lateral positioning mounting seat 28 is provided with a long circular hole in the lateral direction for the lateral positioning stop 7 to move and adjust in the lateral direction to meet the positioning of different models of side frames 2.

[0036] The described longitudinal clamping device 8 is arranged on one side of the bottom plate 23 of the jig 3. The longitudinal clamping device 8 is composed of an air cylinder 31, an air cylinder head 32 and a lever 33, and is connected to the jig 3 through the bolt holes on the base of the air cylinder 31. The lever 33 is connected to the lever connecting device 29 on the jig through a round pin and is used for the longitudinal automatic clamping of the side frame 2.

[0037] The described lateral clamping device 9 is arranged on the bottom plate 23 of the jig 3 and below the drill template support mechanism 25. Its structure is the same as that of the longitudinal clamping device 8, and is also composed of an air cylinder 31, an air cylinder head 32 and a lever 33, and is connected to the jig 3 through the bolt holes on the base of the air cylinder 31 and is used for the lateral automatic clamping of the side frame 2.

[0038] All fixings are connected by bolts through long circular holes, which is not only convenient for disassembly but also realizes the adjustability of the positions of various support, positioning and clamping mechanisms in the longitudinal direction to meet the drilling of different models of side frames 2.

[0039] When using this device to drill the side frame lugs, first, according to the structure of the side frame 2 and the dimensions of the lug holes thereon, configure a suitable drill template device 5. Then, use a lifting device to lift and place the side frame 2 to be drilled on the support device 27 of this device; start the air cylinder 31 and turn on the air source, and use the inner side surface of the side frame guide as the positioning reference to automatically complete the positioning and clamping of the side frame 2 by the longitudinal clamping device 8 and the transverse clamping device 9; turn the adjustable support 30 to make it contact the side frame 2 to prevent the side frame 2 from shaking during the drilling process; then flip the drill template device 5 to make it contact the drill template support mechanism 25, and at the same time, use the top surface of the side frame guide as the positioning reference, and fix the drill template device 5 and the drill template support mechanism 25 together with the pressing plate 1. Finally, start the drilling equipment to complete the drilling of the side frame 2. After the drilling of the side frame lugs is completed, turn off the air source to release the longitudinal clamping device 8 and the transverse clamping device 9, then loosen the pressing plate 1 placed on the drill template device 5, then flip the drill template device 5, and finally use a lifting device to lift the side frame 2 off this drilling device.

Claims

1. A drilling device for the side frame hanger of a railway freight car, characterized in that: The side frame hanger ear drilling device includes a jig (3), a longitudinal positioning stop (4), a drill template device (5), a rotating seat (6), a transverse positioning stop (7), a longitudinal clamping device (8), and a transverse clamping device (9) which are arranged on the jig (3) according to the structure of the side frame (2) and the positions of the hanger ears thereon; the jig (3) is a support body with a rectangular platform structure, and the jig (3) includes a bottom plate (23), longitudinal and transverse positioning mounting seats (24), a drill template support mechanism (25), a drill template mounting seat (26), a support device (27), a transverse positioning mounting seat (28), a lever connecting device (29), and an adjustable support (30); the bottom plate (23) is horizontally arranged, the longitudinal and transverse positioning mounting seats (24) and the support device (27) are arranged on one side of the bottom plate (23), the transverse positioning mounting seat (28), the lever connecting device (29), and the support device (27) are arranged on the other side of the bottom plate (23), the two support devices (27) are symmetrically arranged left and right, and the adjustable support (30), the drill template support mechanism (25), and the drill template mounting seat (26) are arranged in the middle of the bottom plate (23); the longitudinal positioning stop (4) is arranged on the longitudinal and transverse positioning mounting seat (24); the drill template device (5) is arranged on the drill template support mechanism (25) and is connected to the rotating seat (6) through a round pin; the rotating seat (6) is arranged on both sides of the drill template mounting seat (26); there are two transverse positioning stops (7), which are respectively arranged on the transverse positioning mounting seat (28) and the longitudinal and transverse positioning mounting seat (24); the longitudinal clamping device (8) is arranged on one side of the bottom plate (23), and the transverse clamping device (9) is arranged on the bottom plate (23) and below the drill template support mechanism (25). The longitudinal clamping device (8) and the transverse clamping device (9) have the same structure and both include a cylinder (31), a cylinder head (32), and a lever (33). The lever (33) is connected to the lever connecting device (29) through a round pin.

2. The drilling device for the side frame hanger of a railway freight car according to claim 1, wherein: All fixings of the side frame hanger ear drilling device are connected by bolts through oblong holes.

3. A drilling device for the side frame hanger of a railway freight car according to claim 1, characterized in that: The longitudinal and transverse positioning mounting seat (24) is provided with oblong holes in both the transverse and longitudinal directions.

4. A drilling device for the side frame lifting lugs of a railway freight car according to claim 1, characterized in that: The longitudinal positioning stop (4) is formed by welding a rib plate a (10), a vertical plate a (11), a positioning plate a (12), and a base a (13); the vertical plate a (11) is vertically and fixedly arranged on the base a (13), the positioning plate a (12) is fixedly arranged on one side of the vertical plate a (11), and two rib plates a (10) are symmetrically and fixedly arranged on the other side. The base a (13) is connected to the longitudinal and transverse positioning mounting seat (24) through bolts.

5. The drilling device for the side frame hanger of a railway freight car according to claim 1, wherein: The drill template device (5) is formed by welding a drill template (21), a hinge seat (20), and a drill bushing (22). The drill template (21) has a rectangular structure, a rectangular through hole is arranged in the middle, two drill bushings (22) are symmetrically arranged on both sides of the rectangular through hole, and two hinge seats (20) are fixedly arranged on one long side of the rectangular drill template (21).

6. The drilling device for the side frame lifting lugs of a railway freight car according to claim 1, wherein: The described rotating seat (6) is formed by welding an ear seat plate (18) and a base (19); the ear seat plate (18) is vertically and fixedly arranged on the base (19); the ear seat plate (18) is connected to the drill template device (5) through a round pin; the base (19) is fixedly connected to the drill template mounting seat (26) through bolts.

7. A drilling device for the side frame lifting lugs of a railway freight car according to claim 1, characterized in that: The described lateral positioning stop (7) is formed by welding a positioning plate b (14), a vertical plate b (15), a rib plate b (16) and a base b (17); the vertical plate b (15) is vertically and fixedly arranged on the base b (17), the positioning plate b (14) is fixedly arranged on one side of the vertical plate b (15), and two rib plates b (16) are symmetrically fixedly arranged on the other side; the base b (17) is connected to the longitudinal and lateral positioning mounting seat (24) and the lateral positioning mounting seat (28) through bolts.

8. A drilling device for the side frame hanger of a railway freight car according to claim 1, characterized in that: The described lateral positioning mounting seat (28) is provided with an oblong hole in the lateral direction.

9. The drilling device for the side frame hanger of a railway freight car according to claim 1, wherein: The described longitudinal clamping device (8) is connected to the bottom plate (23) of the jig (3) through the bolt holes on the base of the air cylinder (31).

10. A drilling device for the side frame lifting lugs of a railway freight car according to claim 1, characterized in that: The described lateral clamping device (9) is connected to the bottom plate (23) of the jig (3) through the bolt holes on the base of the air cylinder (31).

Images