CN112091744A - Surface treatment device for repairing bead welding of wheel of rail vehicle - Google Patents

Abstract

The invention relates to a surface treatment device for a rail vehicle wheel after surfacing welding repair, comprising a bracket, a No. 1 turntable is arranged on the bracket, and a mounting shaft for fixing the position of the rail vehicle wheel is arranged on the No. 1 turntable. The No. 1 turntable is provided with a clamping mechanism for clamping the wheel rim of a rail vehicle, a grinding wheel is arranged under the No. 1 turntable, and a lifting mechanism is provided on the bracket to drive the grinding wheel to rise and fall to control the feed amount of the grinding wheel. The side of the bracket away from the No. 1 turntable is provided with a limiting mechanism for pressing the inner wall of the wheel tread of the rail vehicle. In the invention, the trapezoidal block drives the push rod to move the pressing rod to press the train wheel rim, and at the same time, the train tread is pressed against the pressing plate and the No. 2 swing rod, so as to prevent the wheel of the rail vehicle from loosening during grinding and affecting the grinding accuracy; The gear is driven to cooperate with the rack to control the feed of the grinding wheel. The worm and the gear are multi-toothed for smooth transmission and high grinding accuracy.

Description

Surface treatment device for rail vehicle wheel after surfacing repair

technical field

The invention relates to the field of wheel remanufacturing and repairing, in particular to a surface treatment device for a rail vehicle wheel after surfacing and repairing.

Background technique

As an economical and rapid process method for surface modification of materials, surfacing welding is more and more widely used in the manufacture and repair of parts in various industrial sectors; rail vehicle wheels are prone to wear and deformation after long-term use. After the repair, the surface material and size of the parts have changed, and the surface of the vehicle wheel needs to be treated; at present, the surface treatment of the vehicle wheel after repair is mostly manual, using manual machinery such as an angle grinder, and the processing accuracy cannot be accurately controlled. In addition, the working environment of dust flying during surface treatment is harsh and labor intensity is high. Therefore, a surface treatment device for rail vehicle wheels after surfacing welding is designed to solve the above problems.

SUMMARY OF THE INVENTION

In order to solve the above-mentioned technical problems, the present invention proposes a surface treatment device for a rail vehicle wheel after surfacing welding is repaired. The technical problem to be solved by this invention adopts the following technical solutions to realize:

A surface treatment device for a rail vehicle wheel after surfacing repair, including a bracket on which a No. 1 turntable is provided, and a mounting shaft for fixing the position of the rail vehicle wheel is arranged on the No. 1 turntable. There is a clamping mechanism for clamping the wheel rim of the rail vehicle, a grinding wheel is arranged under the No. 1 turntable, and a lifting mechanism is arranged on the bracket to drive the grinding wheel to rise and fall to control the feeding amount of the grinding wheel, and the bracket is far away from the One side of the No. 1 turntable is provided with a limiting mechanism for pressing the inner wall of the wheel tread of the rail vehicle.

The clamping mechanism includes a pressing rod that is hingedly installed in the No. 1 turntable and distributed symmetrically along the radial direction of the No. 1 turntable. The No. 1 turntable is slidably installed with a trapezoidal block that abuts against the push rod to drive the pressing rod to swing and press the rim. The No. 1 turntable is provided with a drive mechanism that drives the trapezoidal block to slide in the radial direction of the No. 1 turntable.

The drive mechanism includes a threaded rod connected to the corresponding trapezoidal block and slidably installed in the No. 1 turntable. The No. 1 turntable is provided with a sleeve that is threadedly matched with the threaded rod to drive the threaded rod to move in the radial direction of the No. 1 turntable. .

The limiting mechanism includes a No. 2 turntable slidably installed on the bracket, the No. 2 turntable is connected with a pressure plate that presses the wheel tread of the rail vehicle, and a pressure plate is slidably installed in the pressure plate to be pressed against the installation shaft for positioning. Positioning shaft, the No. 2 turntable is provided with No. 2 swing bars which are distributed in a circle around the axis of the No. 2 turntable and whose ends press against the inner surface of the wheel tread of the rail vehicle. The adjustment mechanism for the angle of the swing rod is modified by the axial sliding of the turntable.

The adjusting mechanism includes a disc connected with the positioning shaft, and the disc is provided with a hinge seat that is slidably matched with the corresponding No. 2 swing rod to drive the No. 2 swing rod to swing.

A return spring is arranged between the positioning shaft and the pressure plate.

The support is provided with a hydraulic cylinder that drives the No. 2 turntable to move in the horizontal direction.

The lifting mechanism includes a lifting rod installed on a bracket, a lifting platform connected to the grinding wheel is slidably installed on the lifting rod, a rack is arranged in the bracket, and the rack is matched with a lifting platform installed on the lifting platform. The gear is matched with a worm, and the worm is connected with the No. 1 motor installed on the lifting platform.

The beneficial effects of the present invention are: the trapezoidal block drives the push rod to drive the pressing rod to compress the train wheel rim, and at the same time, the train tread is pressed tightly by the pressing plate and the No. 2 swing rod, so as to prevent the wheels of the rail vehicle from loosening during grinding. , affecting the grinding accuracy; the worm drives the gear and the rack to cooperate, so as to control the feed of the grinding wheel, the worm and the gear are multi-toothed, and the transmission is stable and the grinding accuracy is high.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

Fig. 1 is the front view of the present invention;

Fig. 2 is the internal structure schematic diagram of the present invention;

Fig. 3 is the top view structure schematic diagram of the present invention;

4 is a schematic structural diagram of a driving mechanism of the present invention;

Fig. 5 is the structure schematic diagram of No. 1 turntable of the present invention;

6 is a schematic structural diagram of the No. 2 turntable of the present invention;

7 is a schematic structural diagram of the lifting mechanism of the present invention;

Fig. 8 is the bottom view structure schematic diagram of the lifting mechanism of the present invention;

FIG. 9 is an enlarged view of I in FIG. 2 of the present invention.

As shown in the picture: 1. Bracket; 2. Turntable No. 1; 3. Installation shaft; 4. Clamping mechanism; 5. Limiting mechanism; 6. Grinding wheel; 7. Lifting mechanism; 8. Motor No. 2; 41. Compression rod; 42, trapezoidal block; 43, drive mechanism; 44, push rod; 431, threaded rod; 432, sleeve; 41a, No. 1 chute; 51, No. 2 turntable; 52, pressure plate; 53, positioning Shaft; 54, No. 2 swing rod; 55, Adjustment mechanism; 56, Return spring; 57, Hydraulic cylinder; 58, Mobile table; 59, Press plate; 551, Disc; 552, Hinged seat; 51a, Connecting column; 54a, No. 2 chute; 71, lifting rod; 72, lifting platform; 73, rack; 74, gear; 75, sliding sleeve; 76, worm; 77, No. 1 motor; 78, No. 3 motor;

Detailed ways

In order to make those skilled in the art better understand the technical solutions of the present invention, the present invention will be described more clearly and completely below with reference to the accompanying drawings in the embodiments. Of course, the described embodiments are only a part of the present invention. Not all, based on this embodiment, other embodiments obtained by those skilled in the art without creative labor are all within the protection scope of the present invention.

As shown in FIGS. 1 to 9 , a surface treatment device for a rail vehicle wheel after surfacing and repairing includes a bracket 1 , which is characterized in that a No. 1 turntable 2 is provided on one side of the bracket 1 , and the No. 1 turntable 2 There is an installation shaft 3 for fixing the position of the wheel of the rail vehicle, the No. 1 turntable 2 is provided with a clamping mechanism 4 for clamping the wheel rim of the rail vehicle, and a grinding wheel 6 is arranged below the No. 1 turntable 2. The bracket 1 is provided with a lifting mechanism 7 that drives the grinding wheel 6 to move up and down to control the feeding amount of the grinding wheel 6. The side of the bracket 1 away from the No. 1 turntable 2 is provided with a limit mechanism 5 for pressing the inner wall of the wheel tread of the rail vehicle.

The clamping mechanism 4 includes a pressing rod 41 that is hingedly installed in the No. 1 turntable 2 and is symmetrically distributed along the radial direction of the No. 1 turntable 2. The push rod 44, the No. 1 turntable 2 is slidably installed with a trapezoidal block 42 that abuts against the push rod 44 to drive the pressing rod 41 to swing and press the rim. The No. 1 turntable 2 is provided with a driving trapezoidal block 42 along the The drive mechanism 43 for sliding the No. 1 turntable 2 in the radial direction; the pressing rods 41 are provided with No. 1 chute 41a matched with the push rod 44; 8.

The driving mechanism 43 includes a threaded rod 431 connected to the corresponding trapezoidal block 42 and slidably installed in the No. 1 turntable 2. The No. 1 turntable 2 is provided with a threaded rod 431 to drive the threaded rod 431 along the No. 1 turntable. The sleeve 432 that moves in the radial direction of the turntable 2; the sleeve 432 is provided with a hexagon socket screw hole to facilitate the manual rotation of the sleeve 432; Movement, thereby driving the push rod 44 to move, so that the pressing rod 41 swings and presses the wheel rim of the rail vehicle.

The limiting mechanism 5 includes a No. 2 turntable 51 slidably installed on the bracket 1 , the No. 2 turntable 51 is connected with a pressure plate 52 that presses the tread of the wheel of the rail vehicle, and the pressure plate 52 is slidably installed with a mounting shaft. 3. A positioning shaft 53 for positioning, the No. 2 turntable 51 is provided with a No. 2 swing rod 54 which is distributed circumferentially around the axis of the No. 2 turntable 51 and whose ends press against the inner surface of the wheel tread of the rail vehicle. Between the pendulum rods 54 is an adjusting mechanism 55 for adjusting the angle of the pendulum rod through the positioning shaft 53 axially sliding along the second turntable 51; the end of the second swing rod 54 is hinged with a pressure plate 59; Several connecting posts 51a are arranged between 52 .

The adjusting mechanism 55 includes a disc 551 connected with the positioning shaft 53, and the disc 551 is provided with a hinge seat 552 that slides and cooperates with the corresponding No. 2 swing rod 54 to drive the No. 2 swing rod 54 to swing; No. 2 chute 54a is provided on each of the swing rods 54 for sliding engagement with the corresponding hinge bases 552 .

A reset spring 56 is arranged between the positioning shaft 53 and the pressure plate 52 ; after the grinding is completed, the pressure plate 52 returns to its original position, and the return spring 56 drives the positioning shaft 53 to reset.

The support 1 is provided with a hydraulic cylinder 57 that drives the No. 2 turntable 51 to move in the horizontal direction; the hydraulic cylinder 57 is connected with a moving table 58, and the No. 2 turntable 51 is rotatably installed in the moving table 58; When the pressure plate 52 is driven to press the wheel tread of the rail vehicle, the positioning shaft 53 first abuts against the installation shaft 3, and then slides axially along the No. 2 turntable 51 to drive the hinge seat 552 on the disc 551 to slide and fit with the No. 2 swing rod 54. , the No. 2 pendulum rod 54 swings, and the pressure plate 59 is driven to compress the inner surface of the wheel tread of the rail vehicle; the support 1 and the mobile platform 58 are provided with bearings that cooperate with the No. 1 turntable 2 and the No. 2 turntable 51 respectively. When When the No. 2 motor 8 drives the No. 1 turntable 2 to rotate, the pressure plate 52 presses the wheel tread of the rail vehicle, and at the same time, the pressure plate 59 presses the inner surface of the wheel tread of the rail vehicle, so that the No. 2 turntable 51 can rotate with the No. 1 turntable 2 at the same time, and does not Motion interference occurs.

The lifting mechanism 7 includes a lifting rod 71 installed on the bracket 1, and a lifting platform 72 connected to the grinding wheel 6 is slidably installed on the lifting rod 71. The bracket 1 is provided with a rack 73, and the rack 73 is equipped with a gear 74 installed on the lifting platform 72, the gear 74 is equipped with a worm 76, and the worm 76 is connected with a No. 1 motor 77 installed on the lifting platform 72; The No. 3 motor 78 on the platform 72, the lifting platform 72 is provided with a sliding sleeve 75 that cooperates with the lifting rod 71 and provides a supporting force for the lifting platform 72; the No. 1 motor 77 drives the worm 76 to rotate and cooperate with the gear 74, The gear 74 meshes with the rack 73 to drive the lift table 72 to rise and fall, so as to control the feed amount of the grinding wheel 6 .

In the present invention, when the wheel of the rail vehicle needs to be polished: Step 1: place the wheel of the rail vehicle on the fixed shaft 3, and drive the trapezoidal block 42 to move along the radial direction of the No. 1 turntable 2 by cooperating with the rotating sleeve 432 and the threaded rod 431 , thereby driving the push rod 44 to move, so that the pressing rod 41 swings and presses the wheel rim of the rail vehicle;

The second step: the hydraulic cylinder 57 drives the pressure plate 52 to press the wheel tread of the rail vehicle, and the positioning shaft 53 is in close contact with the installation shaft 3, and then slides axially along the No. 2 turntable 51 to drive the hinge seat 552 on the disc 551 and the No. The swing rod 54 is slidably matched, so that the No. 2 swing rod 54 swings and drives the pressure plate 59 to press the inner surface of the wheel tread of the rail vehicle;

The third step: the No. 2 motor 8 drives the No. 1 turntable 2 to rotate, while the No. 3 motor 78 drives the grinding wheel 6 to rotate;

The fourth step: the No. 1 motor 77 drives the worm 76 to rotate to cooperate with the gear 74 , and the gear 74 meshes with the rack 73 to drive the lifting platform 72 to rise and fall, and control the feed amount of the grinding wheel 6 .

The foregoing has shown and described the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and descriptions describe only the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will also have various Such changes and improvements fall within the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.

Claims (8)

1. A surface treatment device for a rail vehicle wheel after surfacing repair, comprising a bracket (1), characterized in that: the bracket (1) is provided with a No. 1 turntable (2), and the No. 1 turntable (2) A mounting shaft (3) for fixing the position of the wheel of the rail vehicle is provided thereon, the No. 1 turntable (2) is provided with a clamping mechanism (4) for clamping the wheel rim of the rail vehicle, and the lower part of the No. 1 turntable (2) A grinding wheel (6) is provided, the support (1) is provided with a lifting mechanism (7) that drives the grinding wheel (6) to rise and fall to control the feed amount of the grinding wheel (6), and the support (1) is far away from No. 1 One side of the turntable (2) is provided with a limiting mechanism (5) for pressing the inner wall of the wheel tread of the rail vehicle. 2 . The surface treatment device for rail vehicle wheels after surfacing repairing according to claim 1 , wherein the clamping mechanism ( 4 ) comprises hingedly installed in the No. 1 turntable ( 2 ) and along a The No. 1 turntable (2) is provided with pressing rods (41) symmetrically distributed in the radial direction, and the No. 1 turntable (2) is provided with a push rod (44) slidingly matched with the corresponding pressing rod (41). A trapezoidal block (42) is slidably installed in the turntable (2) to abut against the push rod (44) to drive the pressing rod (41) to swing and press the rim. The No. 1 turntable (2) is provided with a driving trapezoidal block. (42) A drive mechanism (43) for sliding along the radial direction of the No. 1 turntable (2). 3. The surface treatment device for a rail vehicle wheel after surfacing repairing according to claim 2, characterized in that: the drive mechanism (43) comprises a trapezoidal block (42) connected with the corresponding and slidably mounted on a The threaded rod (431) in the No. 1 turntable (2) is provided with a threaded rod (431) in the No. 1 turntable (2) to drive the threaded rod (431) to move in the radial direction of the No. 1 turntable (2). Sleeve (432). 4. The surface treatment device for a rail vehicle wheel after surfacing repairing according to claim 1, characterized in that: the limiting mechanism (5) comprises a No. 2 turntable (No. 51), the No. 2 turntable (51) is connected with a pressure plate (52) for pressing the wheel tread of the rail vehicle, and a positioning plate (52) is slidably installed in the pressure plate (52) to be pressed against the installation shaft (3) for positioning A shaft (53), the No. 2 turntable (51) is provided with a No. 2 swing rod (54) which is distributed in a circle around the axis of the No. 2 turntable (51) and whose ends press against the inner surface of the wheel tread of the rail vehicle. Between the swing rods (54), an adjusting mechanism (55) for adjusting the angle of the swing rod by sliding the positioning shaft (53) along the No. 2 turntable (51) in the axial direction is distributed. 5. The surface treatment device for a rail vehicle wheel after surfacing repairing according to claim 4, wherein the adjusting mechanism (55) comprises a disc (551) connected with the positioning shaft (53), The disc (551) is provided with a hinge seat (552) which is slidably matched with the corresponding No. 2 swing rod (54) to drive the No. 2 swing rod (54) to swing. 6 . The surface treatment device for rail vehicle wheels after surfacing repairing according to claim 4 , wherein a return spring ( 56 ) is provided between the positioning shaft ( 53 ) and the pressure plate ( 52 ). 7 . . 7 . The surface treatment device for a rail vehicle wheel after surfacing repairing according to claim 4 , wherein the support ( 1 ) is provided with a hydraulic pressure for driving the No. 2 turntable ( 51 ) to move in the horizontal direction. 8 . Cylinder (57). 8 . The surface treatment device for a rail vehicle wheel after surfacing welding according to claim 1 , wherein the lift mechanism ( 7 ) comprises a lift rod ( 71 ) mounted on the bracket ( 1 ), A lift table (72) connected to the grinding wheel (6) is slidably installed on the lift rod (71), a rack (73) is arranged in the bracket (1), and the rack (73) is fitted with a mounting bracket (73). A gear (74) on the lift table (72), the gear (74) is matched with a worm (76), and the worm (76) is connected with a No. 1 motor (77) mounted on the lift table (72).

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