Steel rail surface repairing and milling device

Abstract

The utility model relates to the technical field of milling and grinding devices, in particular to a steel rail surface repairing and milling and grinding device which comprises an installation plate, a steel rail and a covering plate, the covering plate is an L-shaped plate-shaped object, one side of the covering plate is provided with an inclined face, three sets of limiting plates are installed on the bottom and the inner side face of the covering plate, and sliding grooves are formed between the limiting plates. A plurality of elastic supporting rods are installed in the sliding groove at equal intervals. A steel rail is arranged below the covering plate, and the top face, the inclined face and the side face of the steel rail make contact with the blade. The center shaft and the eccentric wheel are mounted in the mounting cylinder, and the inclined center shaft and the eccentric wheel rotate at a high speed, so that inclined centrifugal force is applied to the covering plate, the covering plate and the three groups of blades are driven to vibrate at low amplitude and high frequency, and the steel rail and the blades are driven to rotate relatively while moving relatively. The moving direction of the blade is increased, and the steel rail milling effect of the blade is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to milling device technical field, concretely is a kind of steel rail surface repair milling device. BACKGROUND

[0002] Rail is the important component of railway line, and its contour size and technical state directly affect the safety and stability of train operation, however, with the increase of train operation frequency and the change of environmental factors, various diseases such as fish scale, fat edge and wave grinding appear on the surface of steel rail, these diseases not only affect the running stability and safety of train, but also can shorten the service life of steel rail, therefore, in order to maintain the steel rail, we propose a kind of steel rail surface repair milling device.

[0003] The prior art has the following defects in use:

[0004] The repair effect of the steel rail surface repair milling device in the prior art is not ideal, the contact area of the steel rail and the milling device and the pressure value between the two are constant, so when there are impurities on the surface of the steel rail that are difficult to clean, the existing milling device is easy to cause damage to the steel rail or the milling cutter due to the collision between the two, thereby reducing the repair effect of the milling device on the steel rail.

[0005] When the steel rail surface repair milling device in the prior art applies pressure to the milling cutter to enable the milling cutter to contact the steel rail to achieve cutting repair, the conventional milling cutter and the supporting structure are hard-connected, so the movable range of the milling cutter is small, and therefore the contact range of the milling cutter and the steel rail is constant during the movement of the milling cutter for repair, so it is impossible to ensure that the repair performance of the milling cutter on the steel rail is always constant, thereby reducing the practicability of the conventional steel rail milling device.

[0006] In view of this, we propose a steel rail surface repair milling device to solve the existing problems. CONTENT OF THE UTILITY MODEL

[0007] The utility model aims at providing a kind of steel rail surface repair milling device to solve the problems raised in the above background.

[0008] To achieve the above object, the utility model provides the following technical scheme: a kind of steel rail surface repair milling device, including mounting plate, steel rail and cover plate, the cover plate is L-shaped plate, and the side of cover plate is provided with inclined plane, the bottom and inner side of cover plate are equipped with three sets of limit plate, sliding slot is arranged between the limit plate, the inside of sliding slot is equipped with several elastic support rods at equal intervals;

[0009] The bottom of the cover plate is provided with a steel rail, and the top surface, inclined surface and side surface of the steel rail are in contact with the blade.

[0010] The installation plate is fixedly installed on the inclined surface of the cover plate, a mounting cylinder is fixedly installed at the central position of the installation plate, a central shaft is penetratedly installed in the mounting cylinder, and an eccentric wheel is fixedly installed on the side surface of the central shaft;

[0011] The bottom plate is fixedly installed on the top of the cover plate, an air bag is fixedly installed on the top of the bottom plate, and a connecting plate is fixedly installed on the top of the air bag.

[0012] Preferably, the elastic supporting rods are obliquely installed, and an angle of 20-30 degrees is formed between the elastic supporting rods and the cover plate, a blade is fixedly installed at the end of each elastic supporting rod away from the cover plate, and a fixed rivet is fixedly installed at the connecting position of the blade and the elastic supporting rod.

[0013] Preferably, an electric motor is fixedly installed at the end of the central shaft extending out of the mounting cylinder, and the shell of the electric motor is fixedly connected with the mounting cylinder.

[0014] Preferably, a mounting bracket is fixedly installed on the top of the connecting plate, the mounting bracket is in the shape of an L-shaped disc, and one mounting hole and six bolt holes are arranged in the mounting bracket.

[0015] Preferably, four limiting rods are fixedly installed on the side surface of the bottom plate and are perpendicular to the top surface of the cover plate, four limiting buckles are arranged on the side surface of the connecting plate, a limiting hole is formed in the limiting buckle, and the limiting buckle is connected with the limiting rod in a clamping mode.

[0016] Preferably, a controller is fixedly installed on the installation plate and is electrically connected with the electric motor through wires.

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] The central shaft and the eccentric wheel are installed in the mounting cylinder, the central shaft and the eccentric wheel are obliquely installed and rotate at high speed, the inclined centrifugal force is applied to the cover plate, the cover plate and the three groups of blades are driven to vibrate at a small amplitude and a high frequency, the rail and the blades move relative to each other, the moving direction of the blades is increased, and the milling and grinding effect of the blades on the rail is improved.

[0019] The air bag is installed between the mounting bracket and the cover plate, the limiting rods are vertically installed and limit the air bag, when the mounting bracket applies a downward pressure to the air bag, the air bag is converted into an elastic force, the cover plate and the blades are pressed downward, the pressure between the blades and the rail is constant, the blades and the cover plate can change the angle flexibly according to the change of the surface of the rail, the blades always adhere to the surface of the rail to mill and grind, and the milling and grinding effect of the milling and grinding device is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is three-dimensional structure schematic view of the utility model;

[0021] Figure 2 It is local structure schematic view of the utility model's mounting plate;

[0022] Figure 3 It is three-dimensional section structure schematic view of the utility model's mounting cylinder;

[0023] Figure 4 It is local section structure schematic view of the utility plate of the utility model;

[0024] Figure 5 It is local structure schematic view of the utility model;

[0025] Figure 6 It is front structure schematic view of the utility model;

[0026] Figure 7 It is local front structure schematic view of the utility model.

[0027] In the drawing: 1, mounting plate; 101, controller; 102, motor; 103, mounting cylinder; 104, center shaft; 105, eccentric wheel; 2, steel rail; 3, cover plate; 301, limit plate; 302, blade; 303, fixed rivet; 304, elastic support rod; 4, bottom plate; 401, limit rod; 402, air bag; 403, connecting plate; 404, mounting frame. DETAILED DESCRIPTION

[0028] The technical scheme of the utility model will be further described below in combination with the drawings and specific embodiments.

[0029] As shown in Figure 1 - Figure 7 The utility model discloses a kind of steel rail surface repair milling and grinding devices, including mounting plate 1, steel rail 2 and cover plate 3, cover plate 3 is L-shaped plate, and the side of cover plate 3 is provided with inclined plane, the bottom and inner side of cover plate 3 are equipped with three groups of limit plates 301, sliding groove is arranged between limit plate 301, several elastic support rods 304 are installed at equal intervals in the inside of sliding groove, cover plate 3 can provide the position of installation to surrounding assembly, limit plate 301 can be a group in twos, to form sliding groove between limit plate 301, on the one hand, the position of installation is provided to internal assembly, on the other hand, it can be connected by sliding groove and fixed rivet 303 clamping, the installation stability of blade 302 is promoted, the stability of blade 302 in working process is guaranteed, elastic support rod 304 is composed of a telescopic pull rod and spring, cover plate 3 is connected with blade 302 by elastic support rod 304, so that blade 302 can keep adhering with steel rail 2 in repair process, and then guarantee the repair effect of blade 302 to steel rail 2;

[0030] The lower part of the cover plate 3 is provided with the rail 2, and the top surface, inclined surface and side surface of the rail 2 are in contact with the blade 302;

[0031] The inclined surface of the cover plate 3 is fixedly installed with the mounting plate 1, the central position of the mounting plate 1 is fixedly installed with the mounting cylinder 103, the inside of the mounting cylinder 103 is penetratedly installed with the central shaft 104, the side surface of the central shaft 104 is fixedly installed with the eccentric wheel 105, the mounting plate 1 can provide the mounting position for the mounting cylinder 103, the motor 102 and the controller 101, and the mounting plate 1 is obliquely installed, so that the mounting plate 1 can simultaneously exert the thrust force in the oblique direction on the plurality of groups of blades 302 inside the cover plate 3, thereby causing the plurality of groups of blades 302 to reciprocate relative to the rail 2, so as to have the effect of friction cutting on the rail 2, the mounting cylinder 103 can provide the mounting position for the surrounding components, the central shaft 104 can provide the mounting position for the eccentric wheel 105, and one end of the central shaft 104 is fixedly connected with the output shaft of the motor 102, so as to drive the central shaft 104 to rotate through the motor 102, thereby driving the eccentric wheel 105 to rotate, and the centrifugal force generated by the rotation of the eccentric wheel 105 can exert the thrust force on the mounting plate 1;

[0032] The top of the cover plate 3 is fixedly installed with the bottom plate 4, the top of the bottom plate 4 is fixedly installed with the air bag 402, and the top of the air bag 402 is fixedly installed with the connecting plate 403, the bottom plate 4 can be fixedly connected with the cover plate 3 and provide the mounting position for the components on the top, the air bag 402 can elastically connect the connecting plate 403 and the bottom plate 4, so that when the connecting plate 403 exerts the downward pressure on the air bag 402, the air bag 402 can convert the pressure into the elastic force to exert the downward pressure on the bottom plate 4 and the cover plate 3, thereby avoiding that the excessive pressure exerted by the mounting frame 404 and the connecting plate 403 on the cover plate 3 causes the damage of the blade 302.

[0033] Further, the elastic supporting rods 304 are obliquely installed, and an included angle between the elastic supporting rods 304 and the cover plate 3 is 20-30 degrees, one end of the elastic supporting rod 304 away from the cover plate 3 is fixedly installed with the blade 302, the connecting position between the blade 302 and the elastic supporting rod 304 is fixedly installed with the fixed rivet 303, the blade 302 is provided in three groups and is attached to the top surface, side surface and inclined surface of the rail 2, respectively, thereby milling and repairing the rail 2, each group of the blade 302 is provided with three blades 302, the widths of the three blades 302 are the same, the blades 302 are installed in the inclined path, the distance between the two adjacent blades 302 is 2-3 cm, the blade 302 is in the shape of parallelogram, the inside of the blade 302 is provided with the arc surface with the same curvature as the surface of the rail 2, the fixed rivet 303 can connect the elastic supporting rod 304 with the blade 302, and the fixed rivet 303 can be clamped with the limiting plate 301, thereby improving the stability of the blade 302 during the working process.

[0034] Further, the motor 102 is fixedly installed at one end of the mounting cylinder 103 extending out of the central shaft 104, and the shell of the motor 102 is fixedly connected with the mounting cylinder 103, the motor 102 adopts a YE3-10KW type, and the motor 102 can rotate after being electrified, thereby driving the central shaft 104 to rotate.

[0035] Further, the mounting rack 404 is L-shaped and disc-shaped, and an installation hole and six bolt holes are arranged in the mounting rack 404, the mounting rack 404 can be connected with the vehicle body of the milling and grinding vehicle through bolts, so that the milling and grinding vehicle drives the whole device to slide along the steel rail 2 during movement.

[0036] Further, four limiting rods 401 are fixedly installed on the side surface of the bottom plate 4 and are perpendicular to the top surface of the cover plate 3, four limiting buckles are arranged on the side surface of the connecting plate 403, limiting holes are arranged in the limiting buckles, and the limiting buckles are connected with the limiting rods 401 in a clamping manner, the limiting rods 401 can cooperate with the limiting buckles to limit the movement path of the connecting plate 403, so that the connecting plate 403 and the components on the top thereof can only move vertically, thereby avoiding the deviation of the connecting plate 403 and the mounting rack 404.

[0037] Further, the controller 101 is fixedly installed on the mounting plate 1 and is electrically connected with the motor 102 through wires, the controller 101 can be externally connected with a power supply, thereby controlling the motor 102, so as to facilitate the control of the rotating speed and frequency of the motor 102.

[0038] Working principle: after the device is assembled and installed, the device is checked and confirmed to be correct, the device is driven by the milling and grinding vehicle to slide along the steel rail 2, the cover plate 3 and the blade 302 are respectively pressed by the air bag 402 and the elastic supporting rod 304, the blade 302 contacts the top, inclined surface and side surface of the steel rail 2, the steel rail 2 is milled and ground for repair, and the motor 102 is electrified to drive the central shaft 104 and the eccentric wheel 105 to rotate, the eccentric wheel 105 applies an inclined centrifugal force to the central shaft 104 and the mounting cylinder 103 when rotating, the centrifugal force is transmitted to the cover plate 3 and the blade 302 through the mounting plate 1, the movement range of the blade 302 is increased, the blade 302 is promoted to mill and grind the steel rail 2 in a large range, and the repair effect of the device on the steel rail 2 is improved.

[0039] The above specific embodiments are only several preferred embodiments of the present application, and based on the technical scheme of the present application and the related inspiration of the above embodiments, those skilled in the art can make various alternative improvements and combinations on the above specific embodiments.

Claims

1. A rail surface repair milling device comprising a mounting plate (1), a rail (2) and a cover plate (3), characterised in that: The cover plate (3) is an L-shaped plate, one side of the cover plate (3) is provided with an inclined surface, the bottom and the inner side of the cover plate (3) are provided with three sets of limiting plates (301), a sliding groove is arranged between the limiting plates (301), and a plurality of elastic supporting rods (304) are arranged at equal intervals in the sliding groove; A rail (2) is arranged below the cover plate (3), and the top surface, the inclined surface and the side surface of the rail (2) are in contact with the blade (302); An installation plate (1) is fixedly installed on the inclined surface of the cover plate (3), a mounting cylinder (103) is fixedly installed at the central position of the installation plate (1), a central shaft (104) penetrates through the mounting cylinder (103), and an eccentric wheel (105) is fixedly installed on the side surface of the central shaft (104); A bottom plate (4) is fixedly installed on the top of the cover plate (3), an air bag (402) is fixedly installed on the top of the bottom plate (4), and a connecting plate (403) is fixedly installed on the top of the air bag (402).

2. A rail surface repair milling device as claimed in claim 1, wherein: The elastic supporting rod (304) is obliquely installed, and an angle of 20-30 degrees is formed between the elastic supporting rod (304) and the cover plate (3), a blade (302) is fixedly installed on the end of the elastic supporting rod (304) away from the cover plate (3), and a fixed rivet (303) is fixedly installed on the connecting position of the blade (302) and the elastic supporting rod (304).

3. A rail surface repair milling device as claimed in claim 1, wherein: The end of the central shaft (104) extending out of the mounting cylinder (103) is fixedly installed with an electric motor (102), and the shell of the electric motor (102) is fixedly connected with the mounting cylinder (103).

4. A rail surface repair milling device as claimed in claim 1, wherein: An installation frame (404) is fixedly installed on the top of the connecting plate (403), the installation frame (404) is an L-shaped disc, and one mounting hole and six bolt holes are arranged in the installation frame (404).

5. A rail surface repair milling device as claimed in claim 1, wherein: Four limiting rods (401) are fixedly installed on the side surface of the bottom plate (4), the limiting rods (401) are perpendicular to the top surface of the cover plate (3), four limiting buckles are arranged on the side surface of the connecting plate (403), limiting holes are formed in the limiting buckles, and the limiting buckles are connected with the limiting rods (401) in a clamping manner.

6. A rail surface repair milling device as claimed in claim 1, wherein: A controller (101) is fixedly installed on the installation plate (1), and the controller (101) is electrically connected with the electric motor (102) through wires.

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