Calibrating device for railway train coupler yoke machining

Abstract

The utility model discloses a calibration device for railway train coupler yoke processing, which comprises a base and a coupler yoke arranged at the top of the base, U-shaped seats are clamped at the bottom of the coupler yoke close to the left side and the right side, pressing plates are attached to the left side and the right side of the top of the coupler yoke, square hole round tubes are fixed on the pressing plates in a penetrating manner, and the square hole round tubes are connected with the U-shaped seats. When the device is used and the coupler yoke is placed on the two U-shaped seats, the fixing hole in the bottom of the coupler yoke can be aligned with the positioning column, the coupler yoke is straightened and placed on the base, then the servo motor is started to drive the rotating rod to rotate, the linkage mechanism drives the pressing plate to rotate towards one side close to the coupler yoke, and then the coupler yoke is fixed on the base. When the hydraulic rod is started to pull the lifting plate to move downwards, the pressing plate can be driven to move downwards synchronously, and therefore the coupler yoke can be rapidly calibrated and fixed to the base, the coupler yoke fixing efficiency is improved, and meanwhile the machining quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of railway train hook tail frame processing, in particular to a calibration device for railway train hook tail frame processing. Background Art

[0002] The hook frame is an important part of the railway train coupler buffer device. When the vehicle is towing, coupled and buffering, the hook frame will directly complete the transmission of the longitudinal force between the vehicles. The performance of the hook frame directly affects the safety of railway freight car operation. Due to the high requirements for the internal spacing tolerance and parallelism of the hook frame, the calibration device is required to position the hook frame of the main product during processing to improve the processing quality.

[0003] The existing calibration device for railway train hook tail frame processing is complicated and cumbersome to operate when positioning the hook tail frame, thereby affecting the processing efficiency. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art, one of the purposes of the utility model is to provide a calibration device for machining a railway train hook tail frame.

[0005] One of the purposes of the utility model is achieved by the following technical solution:

[0006] A calibration device for processing a hook tail frame of a railway train comprises a base and a hook tail frame arranged on the top of the base, wherein the bottom of the hook tail frame is engaged with a U-shaped seat near the left and right sides, the top of the hook tail frame is fitted with a pressure plate at the left and right sides, and a square hole round tube is passed through and fixed on the pressure plate, the top of the base is fixedly connected with a fixing cylinder near the left and right sides, and the top of the fixing cylinder is provided with a first round hole, the bottom of the inner cavity of the two fixing cylinders are fixedly installed with a hydraulic rod, and the telescopic end of the hydraulic rod is fixedly connected with a lifting plate, the two lifting plates are fixedly connected with a first bearing, and the bottom ends of the two square hole round tubes respectively pass through the inner cavities of the adjacent first round holes and the first bearing, and both extend to the bottom of the lifting plate, the inner cavities of the two square hole round tubes are plugged with a rotating square rod that fits with them, and the bottom ends of the rotating square rods are fixedly connected A transmission shaft is connected, and a first cavity is opened on the base near the left and right sides, and a second circular hole is opened on the top of the first cavity, and the bottoms of the two fixed cylinders are fixedly connected with second bearings, and the bottom ends of the two transmission shafts respectively penetrate the adjacent second bearings and the second circular hole, extend to the inner cavity of the first cavity, and are fixedly connected with driven bevel gears, and the bottoms of the two driven bevel gears are meshed with transmission bevel gears, and the same through hole is opened between the two first cavities, and the inner cavity of the through hole is rotatably connected with a rotating rod, the right end of the rotating rod penetrates the center of the adjacent transmission bevel gear and is rotatably connected to the inner side wall of the adjacent first cavity, and a servo motor is fixedly installed on the left side of the inner cavity of the first cavity located on the left side, and the left end of the rotating rod penetrates the center of the adjacent transmission bevel gear and is fixedly connected to the power output end of the servo motor.

[0007] Furthermore, two front and rear fixing holes are provided at the bottom of the inner cavity of the hook tail frame near the left and right sides, and positioning columns are inserted into the inner cavities of the fixing holes, and the bottom ends of the four positioning columns are fixedly connected to adjacent U-shaped seats respectively.

[0008] Furthermore, two limit plates are provided on the front and rear sides of the hook tail frame, and the two limit plates are arranged on the left and right, and the bottoms of the four limit plates are fixedly connected with L-shaped rods, and the two U-shaped seats are provided with a second cavity, and the front and rear sides of the second cavity are provided with through holes, the other ends of the four L-shaped rods respectively penetrate the adjacent through holes, extend to the inner cavity of the second cavity, and are fixedly connected with threaded sleeves, the inner cavities of the two threaded sleeves adjacent to each other in the longitudinal direction have opposite thread directions, and the inner cavities of the two threaded sleeves adjacent to each other in the longitudinal direction are screwed with the same threaded rod, the front and rear ends of the two threaded rods are respectively rotatably connected to the inner side walls of the adjacent second cavities, the outer walls of the two threaded rods are sleeved and fixed with passive bevel gears, and one side of the passive bevel gears is meshed with an active bevel gear, and a transmission rod is fixedly connected at the center of the side away from the two active bevel gears, the side away from the two U-shaped seats is fixedly connected with a third bearing, and the ends of the two transmission rods that are away respectively penetrate the inner cavities of the adjacent third bearings, and are fixedly connected with a hand-cranked wheel.

[0009] Furthermore, the bottom of the limiting plate is flush with the bottom of the inner cavity of the hook tail frame, and the top of the U-shaped seat is also flush with the bottom of the inner cavity of the hook tail frame.

[0010] Furthermore, sliders are fixedly connected to the left and right sides of the lifting plate, and sliding grooves are opened on the left and right sides of the inner cavity of the fixed cylinder, and the two sliders are slidably connected to the adjacent inner cavities of the sliding grooves.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] 1. Through the arrangement of the U-shaped seat, the positioning column, the pressing plate, the square hole round tube, the lifting plate, the rotating square rod, the transmission shaft, the transmission bevel gear, the driven bevel gear, the rotating rod, the servo motor and the hydraulic rod, when the hook tail frame is placed on the two U-shaped seats, the fixing hole at the bottom of the hook tail frame can be aligned with the positioning column, and the hook tail frame can be placed on the base. Then, the servo motor is started to drive the rotating rod to rotate, and the pressing plate is driven to rotate to the side close to the hook tail frame through the linkage mechanism. Then, when the hydraulic rod is started to pull the lifting plate downward, the pressing plate can be driven to move downward synchronously, so that the hook tail frame can be quickly calibrated and fixed on the base, which not only improves the fixing efficiency of the hook tail frame, but also helps to improve the processing quality.

[0013] 2. Through the linkage setting of the limit plate, L-shaped rod, threaded sleeve, threaded rod, passive bevel gear, active bevel gear, transmission rod and hand wheel, when the hand wheel is turned, the transmission rod can be driven to rotate, and the threaded rod can be driven to rotate through the meshing of the active bevel gear and the passive bevel gear. The rotation of the threaded rod drives the two longitudinally adjacent threaded sleeves to move horizontally relative to each other, and drives the two limit plates to move relative to each other through the L-shaped rod, so that the limit plates move and fit to the bottom of the inner cavity of the hook tail frame, so that when the hydraulic rod is started to push the lifting plate to reset upward, and the servo motor is started to rotate in the opposite direction to drive the pressure plate away from the hook tail frame, the original pressing point on the upper surface of the hook tail frame can be released, which is convenient for the milling cutter to fully process the surface of the hook tail frame, thereby improving the practicality of the calibration device.

[0014] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the utility model more obvious and easy to understand, the following preferred embodiments are specifically cited and described in detail with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic diagram of the three-dimensional structure of this embodiment;

[0016] Figure 2 This is a front view of the structure of the present embodiment;

[0017] Figure 3 This is a schematic diagram of the left side structure of the U-shaped seat component of this embodiment;

[0018] Figure 4 for Figure 2 A magnified view of the structure at center.

[0019] In the figure: 1. base; 2. U-shaped seat; 3. hook tail frame; 4. positioning column; 5. pressure plate; 6. fixing hole; 7. fixing cylinder; 8. hydraulic rod; 9. lifting plate; 10. square hole round tube; 11. rotating square rod; 12. transmission shaft; 13. driven bevel gear; 14. driving bevel gear; 15. rotating rod; 16. servo motor; 17. limit plate; 18. L-shaped rod; 19. threaded sleeve; 20. threaded rod; 21. passive bevel gear; 22. active bevel gear; 23. transmission rod; 24. hand wheel. DETAILED DESCRIPTION

[0020] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0021] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0023] See also Figures 1 to 4 , the utility model provides the following technical solutions:

[0024] Embodiment 1:

[0025] A calibration device for processing a hook tail frame of a railway train comprises a base 1 and a hook tail frame 3 arranged on the top of the base 1, a U-shaped seat 2 is engaged with the bottom of the hook tail frame 3 near the left and right sides, a pressing plate 5 is fitted on the left and right sides of the top of the hook tail frame 3, and a square hole round tube 10 is fixedly penetrated and fixed on the pressing plate 5, a fixing cylinder 7 is fixedly connected to the top of the base 1 near the left and right sides, and a first round hole is opened on the top of the fixing cylinder 7, a hydraulic rod 8 is fixedly installed at the bottom of the inner cavity of the two fixing cylinders 7, and the telescopic end of the hydraulic rod 8 is fixedly connected to a lifting plate 9, the left and right sides of the lifting plate 9 are fixedly connected with sliders, the inner cavity of the fixed cylinder 7 is provided with slide grooves on the left and right sides, and the two sliders are slidably connected in the adjacent slide groove inner cavities, the two lifting plates 9 are fixedly connected with the first bearing, and the bottom ends of the two square hole round tubes 10 respectively penetrate the inner cavities of the adjacent first round holes and the first bearings, and both extend to the bottom of the lifting plate 9, the inner cavities of the two square hole round tubes 10 are plugged with rotating square rods 11 that fit each other, and the bottom ends of the rotating square rods 11 are fixedly connected with the transmission shaft 12, and the base 1 is close to the left A first cavity is opened on both right sides, and a second circular hole is opened on the top of the first cavity. The bottoms of the two fixed cylinders 7 are fixedly connected with second bearings. The bottom ends of the two transmission shafts 12 respectively penetrate the adjacent second bearings and the second circular holes, extend to the inner cavity of the first cavity, and are fixedly connected with driven bevel gears 13. The bottoms of the two driven bevel gears 13 are meshed with transmission bevel gears 14. The same through hole is opened between the two first cavities, and the inner cavity of the through hole is rotatably connected with a rotating rod 15. The right end of the rotating rod 15 penetrates the adjacent transmission bevel gears. The center of the wheel 14 is connected to the inner wall of the adjacent first cavity, and a servo motor 16 is fixedly installed on the left side of the inner cavity of the first cavity on the left side. The left end of the rotating rod 15 passes through the center of the adjacent transmission bevel gear 14 and is fixedly connected to the power output end of the servo motor 16. Two front and rear fixing holes 6 are provided at the bottom of the inner cavity of the hook tail frame 3 near the left and right sides, and the inner cavity of the fixing hole 6 is plugged with a positioning column 4. The bottom ends of the four positioning columns 4 are respectively fixedly connected to the adjacent U-shaped seats 2, so as to preliminarily position and calibrate the hook tail frame 3.

[0026] Working principle: When the utility model is in use, when the hook tail frame 3 is placed into the two U-shaped seats 2, the fixing hole 6 at the bottom of the hook tail frame 3 can be aligned with the positioning column 4, and the hook tail frame 3 can be placed on the base 1, and then, the servo motor 16 is started to drive the rotating rod 15 to rotate, and the rotation of the rotating rod 15 drives the transmission shaft 12 to rotate through the meshing of the transmission bevel gear 14 and the driven bevel gear 13, and the rotation of the transmission shaft 12 drives the rotating square rod 11 to rotate, and the rotation of the rotating square rod 11 drives the square hole round tube 10 to rotate, and the rotation of the square hole round tube 10 drives the pressing plate 5 to rotate, so that the pressing plate 5 rotates to the side close to the hook tail frame 3, and then, when the hydraulic rod 8 is started to pull the lifting plate 9 to move downward, the pressing plate 5 can be driven to move downward synchronously, so that the hook tail frame 3 can be quickly calibrated and fixed on the base 1, which not only improves the fixing efficiency of the hook tail frame 3, but also helps to improve the processing quality.

[0027] Embodiment 2:

[0028] Two limit plates 17 are provided on the front and rear sides of the hook tail frame 3, and the two limit plates 17 are arranged on the left and right. The bottoms of the four limit plates 17 are fixedly connected to L-shaped rods 18. The two U-shaped seats 2 are provided with a second cavity, and the front and rear sides of the second cavity are provided with perforations. The other ends of the four L-shaped rods 18 respectively penetrate the adjacent perforations and extend to the inner cavity of the second cavity, and are fixedly connected to threaded sleeves 19. The inner cavities of the two threaded sleeves 19 adjacent to each other in the longitudinal direction have opposite thread directions, and the inner cavities of the two threaded sleeves 19 adjacent to each other in the longitudinal direction are screwed with the same threaded rod 20, and the front and rear ends of the two threaded rods 20 are respectively connected to the adjacent The inner wall of the second cavity is rotatably connected, the outer walls of the two threaded rods 20 are both sleeved and fixed with passive bevel gears 21, and one side of the passive bevel gear 21 is meshed with an active bevel gear 22, and the two active bevel gears 22 are fixedly connected at the center of the side away from each other with a transmission rod 23, the two U-shaped seats 2 are fixedly connected to the side away from each other with a third bearing, and the ends of the two transmission rods 23 that are away from each other respectively penetrate the inner cavity of the adjacent third bearing, and are fixedly connected with a hand-cranked wheel 24, the bottom of the limit plate 17 is flush with the bottom of the inner cavity of the hook tail frame 3, and the top of the U-shaped seat 2 is flush with the bottom of the inner cavity of the hook tail frame 3.

[0029] Working principle: When the utility model is in use, when the hand-cranked wheel 24 is turned, the transmission rod 23 can be driven to rotate, and the threaded rod 20 is driven to rotate through the meshing of the active bevel gear 22 and the passive bevel gear 21. The rotation of the threaded rod 20 drives the two longitudinally adjacent threaded sleeves 19 to move horizontally relative to each other, and drives the two limit plates 17 to move relative to each other through the L-shaped rod 18, so that the limit plates 17 move and fit the bottom of the inner cavity of the hook tail frame 3, so that when the hydraulic rod 8 is started to push the lifting plate 9 to reset upward, and the servo motor 16 is started to rotate in the opposite direction to drive the pressure plate 5 away from the hook tail frame 3, the original pressing point of the pressure plate 5 on the upper surface of the hook tail frame 3 can be released, which is convenient for the milling cutter to fully process the surface of the hook tail frame 3, thereby improving the practicality of the calibration device.

[0030] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A calibration device for processing a railway train hook tail frame, comprising a base (1) and a hook tail frame (3) arranged on the top of the base (1), Features: The bottom of the hook tail frame (3) is engaged with a U-shaped seat (2) near the left and right sides, the top of the hook tail frame (3) is fitted with a pressure plate (5) at the left and right sides, and a square hole round tube (10) is fixedly passed through the pressure plate (5), the top of the base (1) is fixedly connected with a fixing cylinder (7) near the left and right sides, and the top of the fixing cylinder (7) is provided with a first round hole, the bottom of the inner cavity of the two fixing cylinders (7) is fixedly installed with a hydraulic rod (8), and the telescopic end of the hydraulic rod (8) is fixedly connected with a lifting plate (9), the two lifting plates (9) are fixedly connected with a first bearing, and the bottom ends of the two square hole round tubes (10) respectively pass through the inner cavities of the adjacent first round holes and the first bearings, and both extend to the bottom of the lifting plate (9), the inner cavities of the two square hole round tubes (10) are plugged with a rotating square rod (11) that fits with each other, and the bottom end of the rotating square rod (11) is fixedly connected with a transmission shaft (12), the bottom A first cavity is provided on the seat (1) near the left and right sides, and a second circular hole is provided on the top of the first cavity. The bottoms of the two fixed cylinders (7) are fixedly connected to second bearings. The bottom ends of the two transmission shafts (12) respectively penetrate the adjacent second bearings and the second circular holes, extend to the inner cavity of the first cavity, and are fixedly connected to driven bevel gears (13). The bottoms of the two driven bevel gears (13) are meshed with transmission bevel gears (14). A same through hole is provided between the two first cavities, and a rotating rod (15) is rotatably connected to the inner cavity of the through hole. The right end of the rotating rod (15) penetrates the center of the adjacent transmission bevel gear (14) and is rotatably connected to the inner wall of the adjacent first cavity. A servo motor (16) is fixedly installed on the left side of the inner cavity of the first cavity located on the left side. The left end of the rotating rod (15) penetrates the center of the adjacent transmission bevel gear (14) and is fixedly connected to the power output end of the servo motor (16).

2. A calibration device for railway train hook tail frame processing as claimed in claim 1, Features: Two front-to-rear fixing holes (6) are provided at the bottom of the inner cavity of the hook tail frame (3) near the left and right sides, and positioning columns (4) are inserted into the inner cavities of the fixing holes (6). The bottom ends of the four positioning columns (4) are respectively fixedly connected to adjacent U-shaped seats (2).

3. A calibration device for railway train hook tail frame processing as claimed in claim 1, Features: Two limiting plates (17) are respectively arranged on the front and rear sides of the hook tail frame (3), and the two limiting plates (17) are arranged on the left and right sides. The bottoms of the four limiting plates (17) are fixedly connected to an L-shaped rod (18). The two U-shaped seats (2) are respectively provided with a second cavity, and the front and rear sides of the second cavity are provided with a through hole. The other ends of the four L-shaped rods (18) respectively penetrate the adjacent through holes and extend to the inner cavity of the second cavity, and are fixedly connected to a threaded sleeve (19). The inner cavities of the two threaded sleeves (19) adjacent to each other in the longitudinal direction have opposite thread directions, and the inner cavities of the two threaded sleeves (19) adjacent to each other in the longitudinal direction are screwed with the same thread. A threaded rod (20), the front and rear ends of the two threaded rods (20) are respectively rotatably connected to the inner side walls of the adjacent second cavities, the outer walls of the two threaded rods (20) are sleeved and fixed with passive bevel gears (21), and one side of the passive bevel gear (21) is meshed with an active bevel gear (22), a transmission rod (23) is fixedly connected at the center of the circle of the two active bevel gears (22) away from each other, the sides of the two U-shaped seats (2) away from each other are fixedly connected to a third bearing, and the ends of the two transmission rods (23) away from each other respectively penetrate the inner cavities of the adjacent third bearings and are fixedly connected to a hand-cranked wheel (24).

4. A calibration device for railway train hook tail frame processing as claimed in claim 3, Features: The bottom of the limiting plate (17) is flush with the bottom of the inner cavity of the hook tail frame (3), and the top of the U-shaped seat (2) is also flush with the bottom of the inner cavity of the hook tail frame (3).

5. A calibration device for railway train hook tail frame processing as claimed in claim 1, Features: Slide blocks are fixedly connected to the left and right sides of the lifting plate (9), and slide grooves are provided on the left and right sides of the inner cavity of the fixed cylinder (7), and the two slide blocks are respectively slidably connected to the inner cavities of adjacent slide grooves.

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