CN110000658B

CN110000658B - Rail refiner

Info

Publication number: CN110000658B
Application number: CN201910381067.7A
Authority: CN
Inventors: 林松
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-08
Filing date: 2019-05-08
Publication date: 2024-04-05
Anticipated expiration: 2039-05-08
Also published as: CN110000658A

Abstract

The embodiment of the invention discloses a steel rail refiner, which comprises: a moving frame; the lifting mechanism is arranged on the movable frame and can move up and down along the vertical direction of the movable frame; the fine grinding mechanism is connected with the lifting mechanism in a swinging way and moves up and down along with the lifting mechanism; and the power mechanism is connected with the fine grinding mechanism and drives the fine grinding mechanism to work. According to the rail refiner, when the rail refiner is applied, the azimuth adjustment of the fine grinding mechanism in the horizontal direction is realized through the horizontal movement of the movable frame, and the azimuth adjustment of the fine grinding mechanism in the vertical direction is realized through the up-and-down movement of the lifting mechanism, so that the rail refiner can realize the multipoint positioning of the fine grinding mechanism on the rail through the cooperation of the movable frame and the lifting mechanism, and the rail refiner is simple in structure, convenient to operate and low in cost. And moreover, the fine grinding mechanism is in swing connection with the lifting mechanism, so that the point contact between the fine grinding mechanism and the steel rail is realized, the polishing effect is good, and the efficiency is high.

Description

Rail refiner

Technical Field

The invention relates to the technical field of machinery, in particular to a steel rail refiner.

Background

With the development of national railway crossing, the running speed of the train is continuously improved, and the requirements on the appearance quality of the seamless railway are also higher. Especially, the quality of the appearance quality of the welded joint of the seamless railway directly influences the service life of the seamless railway and the running speed of the train. Therefore, improving the appearance quality of the welded joint is an urgent problem to be solved at present.

Existing sanding tools are mainly of two types: (1) The integrated equipment that degree of automation is high, and this kind of burnisher structure is complicated, and the use degree of difficulty is great for on-the-spot workman that polishes to the cost is very high. (2) A plurality of scattered tools are combined for use, and the polishing mode solves the problem of cost, but the polishing efficiency is very low and the polishing effect is poor due to the fact that the tools are required to be replaced frequently.

Disclosure of Invention

Therefore, the embodiment of the invention provides a steel rail refiner, which aims to overcome the defects of the steel rail polishing tool in the prior art in terms of structure, cost, efficiency and the like.

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:

a rail refiner comprising: a moving frame; the lifting mechanism is arranged on the movable frame and can move along the vertical direction relative to the movable frame; the fine grinding mechanism is connected with the lifting mechanism in a swinging way and moves along with the lifting mechanism along the vertical direction relative to the moving frame; and the power mechanism is in transmission connection with the fine grinding mechanism.

Further, the lifting mechanism includes: the horizontal bracket is in rolling connection with the movable frame; the two guide posts are symmetrically arranged on the inner sides of two sides of the horizontal support, and the lower end of the guide posts is rotationally connected with the horizontal support through a pin shaft; and the two sides of the lifting bracket are respectively connected with the guide posts on the same side in a sliding way.

Further, the lifting bracket includes: a support frame; the two sliding parts are respectively connected with the two side frames of the supporting frame and can move up and down along the guide posts.

Further, the steel rail refiner further comprises a lifting driving mechanism; the lifting support further comprises a transfer frame, and the transfer frame is connected with the upper part of the supporting frame; the lifting driving mechanism is connected with the switching frame and drives the sliding part of the lifting bracket to move up and down along the guide post.

Further, the steel rail refiner further comprises a locking device, wherein the locking device comprises a limiting plate and a locking mechanism; one end of the limiting plate is fixedly connected with the guide post, and a limiting groove is formed in the limiting plate; the locking mechanism is connected with the limiting plate through the limiting groove to limit the action of the limiting plate.

Further, the locking mechanism comprises a locking nut, a locking screw rod and a locking spanner, wherein the locking spanner is in threaded connection with one end of the locking screw rod, and the other end of the locking screw rod penetrates through the limiting groove and is in threaded connection with the locking nut.

Further, the rail refiner further comprises a rotating mechanism; the rotating mechanism comprises a rotating shaft, a rack and a gear; the gear is sleeved on the rotating shaft; one end of the rack is fixedly connected with the guide post, and the other end of the rack is meshed with the gear; the rotating mechanism drives the guide post to rotate around the pin shaft.

Further, the rotating mechanism further comprises a locking part, the locking part comprises a locking gear and a limiting spanner, the locking gear is sleeved on the rotating shaft, and the limiting spanner is used for limiting and locking the locking gear.

Further, the steel rail refiner also comprises a horizontal movement mechanism, wherein the horizontal movement mechanism comprises a feed screw, a universal joint and a transverse moving screw; one end of the transverse moving screw rod is connected with the horizontal support, the other end of the transverse moving screw rod is connected with one end of the universal joint, the other end of the universal joint is connected with one end of the feed screw rod, and the other end of the feed screw rod is a free end.

Further, a moving part is arranged on the moving frame and comprises a clamping rail wheel frame and a roller; one end of the rail clamping wheel frame is connected with the movable frame, the other end of the rail clamping wheel frame is of a U-shaped structure, and two ends of the roller are connected with two ends of the U-shaped structure in one-to-one correspondence.

The embodiment of the invention has the following advantages:

according to the rail refiner, when the rail refiner is applied, the azimuth adjustment of the fine grinding mechanism in the horizontal direction is realized through the horizontal movement of the movable frame, and the azimuth adjustment of the fine grinding mechanism in the vertical direction is realized through the up-and-down movement of the lifting mechanism, so that the rail refiner can realize the multipoint positioning of the fine grinding mechanism on the rail through the cooperation of the movable frame and the lifting mechanism, and the rail refiner is simple in structure, convenient to operate and low in cost. And moreover, the fine grinding mechanism is in swing connection with the lifting mechanism, so that the point contact between the fine grinding mechanism and the steel rail is realized, the polishing effect is good, and the efficiency is high.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.

The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the invention, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present invention, should fall within the ambit of the technical disclosure.

Fig. 1 is a schematic structural view of a rail refiner according to embodiment 1 of the present invention;

fig. 2 is a schematic structural diagram of a lifting driving mechanism according to embodiment 1 of the present invention;

fig. 3 is a schematic structural view of a refining mechanism according to embodiment 1 of the present invention;

fig. 4A is a top view of the grinding head tray provided in embodiment 1 of the present invention;

fig. 4B is a side view of the abrasive disc joint provided in embodiment 1 of the present invention;

fig. 5 is a schematic view of a rotation state of a rail refiner according to embodiment 2 of the present invention;

fig. 6A is a schematic structural view of a rail refiner according to embodiment 3 of the present invention;

fig. 6B is a schematic structural diagram of a locking portion according to embodiment 3 of the present invention;

fig. 7A is a schematic structural view of a rail refiner according to embodiment 4 of the present invention;

FIG. 7B is a side view of the horizontal movement mechanism provided in embodiment 4 of the present invention;

FIG. 7C is a schematic view of a gimbal structure according to embodiment 4 of the present invention;

fig. 8A is a schematic view of a moving part according to an embodiment of the present invention;

fig. 8B is a schematic view of a roller structure according to an embodiment of the present invention;

FIG. 8C is a side view of an adjustable wrench according to an embodiment of the present invention;

FIG. 9A is a schematic diagram of a left half of a mobile frame according to an embodiment of the present invention;

FIG. 9B is a schematic diagram of a right half of a mobile frame according to an embodiment of the present invention;

in the figure: 1-moving a frame; 21-a horizontal stand; 22-guide posts; 221-pin shafts; 23-lifting support; 231-a support frame; 232-a sliding part; 233-a transfer rack; 24-lifting driving mechanism; 241-a turntable; 242-screw rod; 243-supporting a cross beam; 3-a fine grinding mechanism; 31-a grinding head tray; 311-swinging member; 4-a power mechanism; 41-shaft coupling; 42-engine receiving disc; 61-rotating shaft; 62-rack; 63-gear; 641-locking gears; 642-a limit wrench; 611-a wheel disc; 66-a telescopic dust cover; 67-buffer spacer; 68-connecting seat I; 691-a fixed seat; 692-a collision bead assembly; 693-socket II; 65-dial; 71-a feed screw; 72-universal joint; 73-traversing the lead screw; 74-protecting the sleeve; 75-bearing; 76-a hand wheel; 77-ball bearings; 8-a moving part; 81-clamping rail wheel frame; 82-a roller; 821-shaft sleeve; 822-locking the clamp; 823-locking the support plate; 824—small wrenches; 825-washers; 83-an adjustable wrench; 84-clamping rail wheels; 85-clamping rail wheel seats; 86-rail clamping axle.

Detailed Description

Other advantages and advantages of the present invention will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

The terms such as "upper", "lower", "left", "right", "middle" and the like are also used in the present specification for convenience of description, but are not intended to limit the scope of the present invention, and the changes or modifications of the relative relationship thereof are considered to be within the scope of the present invention without substantial modification of the technical content.

Example 1

As shown in fig. 1, embodiment 1 of the present invention provides a rail refiner comprising a moving frame 1; a lifting mechanism which is arranged on the movable frame 1 and can move along the vertical direction relative to the movable frame 1; the fine grinding mechanism 3 is connected with the lifting mechanism in a swinging way and moves along with the lifting mechanism along the vertical direction relative to the moving frame; and the power mechanism 4 is in transmission connection with the fine grinding mechanism 3.

Further, the lifting mechanism comprises: a horizontal bracket 21 connected with the movable frame 1 in a rolling manner; the two guide posts 22 are symmetrically arranged on the inner sides of two sides of the horizontal bracket 21, and the lower ends of the two guide posts are rotatably connected with the horizontal bracket 21 through pin shafts 221; the two sides of the lifting bracket 23 are respectively connected with the guide posts 22 on the same side in a sliding way. The guide is performed by adopting the double guide posts, so that the rigidity is good, the structure is simple, and the implementation is easy.

Preferably, the moving frame 1 may be a square frame, and two of the frames are cylindrical. Specifically, be provided with gyro wheel I, gyro wheel II, gyro wheel III on the horizontal support 21, gyro wheel I and gyro wheel II respectively with the both ends of horizontal support 21 are connected, gyro wheel III pass through the connecting plate with the middle part of horizontal support 21 is connected, form triangle-shaped structure between gyro wheel I, gyro wheel II, the gyro wheel III. The lower surfaces of the rollers I and II are attached to the upper surface of the movable frame 1, the upper surface of the roller III is attached to the lower surface of the movable frame 1, and the rollers I, II and III are mutually matched to roll on the movable frame 1.

Further, the lifting bracket 23 includes: a support frame 231; two sliding parts 232, which are respectively connected to the two side frames of the supporting frame 231, can move up and down along the guide posts 22. The sliding part 232 is matched with the guide post 22 to slide up and down, so that the fine grinding mechanism 3 arranged on the supporting frame 231 is driven to slide up and down, the position of the fine grinding mechanism 3 relative to the steel rail is adjusted, and multidirectional grinding of the steel rail is realized.

Specifically, the fine grinding mechanism 3 is disposed on the supporting frame 231 and is in swing connection with the supporting frame 231, the two sliding parts 232 are respectively connected with the two guide posts 22 in a sliding manner, and the guide posts 22 slide up and down, so as to drive the fine grinding mechanism 3 disposed on the supporting frame 231 to move up and down.

Further, as shown in fig. 2, the rail refiner further comprises a lifting drive mechanism 24; the lifting bracket 23 further includes a transfer frame 233, and the transfer frame 233 is connected to an upper portion of the support frame 231; the lifting driving mechanism 24 is connected to the adapter frame 233, and drives the sliding portion 232 of the lifting bracket 23 to move up and down along the guide post 22.

Specifically, the lifting driving mechanism 24 may include a turntable 241, a screw 242, and a supporting beam 243, wherein two ends of the supporting beam 243 are respectively connected to the guide posts 22, the screw 242 passes through the supporting beam 243 and is connected to the supporting beam 243 through threads, and the turntable 241 is connected to an upper end of the screw 242 and is disposed above the supporting beam 243.

The adaptor frame 233 is connected with the lower end of the screw rod 242 through threads, and the turntable 241 is rotated to drive the adaptor frame 233 to move up and down, so as to drive the fine grinding mechanism 3 disposed on the supporting frame 231 to move up and down.

As shown in fig. 3, the power mechanism 4 according to the present invention may be drivingly connected to the fine grinding mechanism 3 through a coupling 41, and the power mechanism 4 may be an engine. When the power mechanism 4 is an engine, the engine receiving disc 42 of the engine is connected with the grinding head receiving disc 31 of the fine grinding mechanism 3 by bolts.

Specifically, as shown in fig. 4A and 4B, for the grinding head receiving disc 31 according to the present invention, the fine grinding mechanism 3 is swingably connected to the lifting mechanism via a swinging member 311 on the grinding head receiving disc 31.

Example 2

The embodiment 2 of the invention discloses a steel rail refiner, which is provided with a locking device based on the embodiment 1, wherein the locking device comprises a limiting plate and a locking mechanism; one end of the limiting plate is fixedly connected with the guide post 22, and a limiting groove is formed in the limiting plate; the locking mechanism is connected with the limiting plate through a limiting groove to limit the action of the limiting plate.

Specifically, the limiting plate may be a half fan-shaped structure, two ends of the half fan-shaped limiting plate are an end a and an end B respectively, one end with a longer side length in the end A, B is fixedly connected with the guide post 22, and a limiting groove extending towards the end a and the end B is formed in the middle of the half fan-shaped limiting plate.

Specifically, as shown in fig. 5, a schematic diagram of a rotation state of the fine grinding mechanism according to an embodiment of the present invention is shown. The locking spanner can limit the action of the locking screw rod, and after the limit of the locking screw rod by the locking spanner is released, the limiting plate can be locked by the cooperation of the locking screw rod and the locking nut, so that the guide post 22 is prevented from rotating. After the locking screw and the locking nut are unlocked to lock the limiting plate, the guide post 22 can rotate around the pin shaft 221, so that the steel rail is polished in more directions.

Example 3

As shown in fig. 6A and 6B, embodiment 3 of the present invention discloses a rail refiner, which adds a rotating mechanism on the basis of embodiment 1, wherein the rotating mechanism comprises a rotating shaft 61, a rack 62 and a gear 63; the gear 63 is sleeved on the rotating shaft 61; one end of the rack 62 is fixedly connected with the guide post 22, and the other end is meshed with the gear 63; the rotating mechanism drives the guide post 22 to rotate around the pin 221.

Specifically, a wheel disc 611 may be disposed at an end of the rotating shaft 61, and the rotating shaft 61 is driven to rotate by rotating the wheel disc 611, so that the guide post 22 is driven to rotate around the pin 221 by the rack 62. In addition, a telescopic dust cover 66 can be arranged outside the rack 62 to protect the rack 62.

In addition, a buffer spacer 67 can be further arranged on the rack 62 to relieve vibration in the moving process. The rack 62 can be connected to the guide post 22 via a connecting socket i 68.

The middle part of the rack 62 can be further provided with a fixing seat device, the fixing seat device comprises a fixing seat 691, the fixing seat 691 is sleeved outside the rack 62, the fixing seat 691 is connected with the rack 62 through a ball collision assembly 692, and the end part of the fixing seat 691 is connected with the rack 62 through a connecting seat II 693.

Further, the rotation mechanism may further include a dial 65 for measuring the rotation angle.

Further, the rotating mechanism may further include a locking portion, where the locking portion includes a locking gear 641 and a limit wrench 642, the locking gear 641 is sleeved on the rotating shaft 61, and the limit wrench 642 is used for limiting and locking the locking gear 641.

Specifically, the limit wrench 642 is locked in a groove between the teeth of the locking gear 641.

Of course, the rotating mechanism of this embodiment may also be combined with the solution of embodiment 2, and when the rotating mechanism is combined with the solution of embodiment 2, the rack 62 may also be connected with the guide post 22 through the limiting plate, and the locking mechanism may limit and lock the guide post 22, and after the limiting and locking of the guide post 22 is released, the rotating mechanism may drive the guide post 22 to rotate around the pin shaft 221, and the locking portion may implement double limiting and locking.

Example 4

As shown in fig. 7A, 7B and 7C, embodiment 4 of the present invention discloses a rail refiner, which adds the horizontal movement mechanism on the basis of embodiment 1, wherein the horizontal movement mechanism comprises a feed screw 71, a universal joint 72 and a traversing screw 73; one end of the traversing screw 73 is connected with the horizontal bracket 21, the other end is connected with one end of the universal joint 72, the other end of the universal joint 72 is connected with one end of the feed screw 71, and the other end of the feed screw 71 is a free end.

Specifically, a protective sleeve 74 may be disposed outside the traversing screw 73, and the protective sleeve 74 may be disposed on the horizontal bracket 21. The universal joint 72 is preferably a three-joint universal joint.

Preferably, the universal joint 72 is connected to the traversing screw 73 via a bearing 75.

In addition, a hand wheel 76 may be disposed at the free end of the feed screw 71, the hand wheel 76 may be connected to the feed screw 71 through a ball bearing 77, the feed screw 71 is driven to move by rotating the hand wheel 76, and the feed screw 71 drives the traverse screw 73 to move through the three-joint universal joint 72. And then drives the fine grinding mechanism 3 to move, thereby realizing more multidirectional grinding of the steel rail.

Further, as shown in fig. 8A, 8B, 8C, the moving frame 1 is provided with a moving part 8, and the moving part 8 includes a rail clamping frame 81 and a roller 82; one end of the rail clamping wheel frame 81 is connected with the movable frame 1, the other end of the rail clamping wheel frame is of a U-shaped structure, and two ends of the roller 82 are connected with two ends of the U-shaped structure in a one-to-one correspondence manner.

Specifically, the roller 82 is connected to the rail clamping frame 81 through a bearing, a gasket 825 is disposed between the bearing and the rail clamping frame 81, and a shaft sleeve 821 is disposed at a contact surface of the roller 82 and the rail clamping frame 81.

In addition, a locking clamp 822 may be disposed on the roller 82, one end of the locking clamp 822 passes through the locking support plate 823 to be attached to the roller 82, one end of the locking support plate 823 is fixedly connected with the clamping rail bracket 81, and the other end of the locking support plate 823 is suspended above the roller 82. The other end of the locking clamp 822 may be provided with a small wrench 824 for adjusting the locking clamp 822, and locking is achieved by adjusting the distance between the end of the locking clamp 822 and the roller 82.

Further, a secondary locking portion may be further provided, where the secondary locking portion includes an adjustable wrench 83, a clamping rail wheel 84, a clamping rail wheel seat 85, and a clamping rail wheel shaft 86, the clamping rail wheel 84 is connected with the clamping rail wheel seat 85 through the clamping rail wheel shaft 86, the clamping rail wheel seat 85 is connected with the clamping rail wheel frame 81, and one end of the adjustable wrench 83 passes through the clamping rail wheel frame 81 and is attached to the clamping rail wheel 84.

Specifically, the moving part 8 may be provided with four moving parts 8 on the moving frame 1 to facilitate movement.

Of course, the horizontal movement mechanism described in this embodiment may be used in combination with embodiment 2 and embodiment 3.

In addition, as shown in fig. 9A and 9B, the moving frame 1 in embodiments 1, 2, 3 and 4 of the present invention may include a left walking frame 11 and a right walking frame 12, where the left walking frame 11 is sleeved with the right walking frame 12, and the left walking frame 11 and the right walking frame 12 may move relatively.

The left walking frame 11 may be provided with a first lifting hand, and the first lifting hand is connected with the left walking frame 11 through a connecting piece 111.

The right walking frame 12 can be provided with a second lifting hand 121, so that the carrying and the lifting are convenient.

While the invention has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the invention and are intended to be within the scope of the invention as claimed.

Claims

1. A rail refiner comprising:

a moving frame;

the lifting mechanism is arranged on the movable frame and can move along the vertical direction relative to the movable frame;

the fine grinding mechanism is connected with the lifting mechanism in a swinging way and moves along with the lifting mechanism along the vertical direction relative to the moving frame;

the power mechanism is in transmission connection with the fine grinding mechanism;

the lifting mechanism comprises:

the horizontal bracket is in rolling connection with the movable frame;

the two guide posts are symmetrically arranged on the inner sides of two sides of the horizontal support, and the lower end of the guide posts is rotationally connected with the horizontal support through a pin shaft;

the two sides of the lifting bracket are respectively connected with the guide posts on the same side of the lifting bracket in a sliding way;

the steel rail refiner further comprises a locking device, wherein the locking device comprises a limiting plate and a locking mechanism;

one end of the limiting plate is fixedly connected with the guide post, and a limiting groove is formed in the limiting plate;

the locking mechanism is connected with the limiting plate through the limiting groove to limit the action of the limiting plate;

the locking mechanism comprises a locking nut, a locking screw rod and a locking spanner, wherein the locking spanner is in threaded connection with one end of the locking screw rod, and the other end of the locking screw rod penetrates through the limit groove and is in threaded connection with the locking nut;

the steel rail refiner further comprises a rotating mechanism; the rotating mechanism comprises a rotating shaft, a rack and a gear;

the gear is sleeved on the rotating shaft;

one end of the rack is fixedly connected with the guide post, and the other end of the rack is meshed with the gear;

the rotating mechanism drives the guide post to rotate around the pin shaft;

the rotating mechanism further comprises a locking part, the locking part comprises a locking gear and a limiting spanner, the locking gear is sleeved on the rotating shaft, and the limiting spanner is used for limiting and locking the locking gear.

2. The rail refiner of claim 1, wherein said lifting frame comprises: a support frame;

the two sliding parts are respectively connected with the two side frames of the supporting frame and can move up and down along the guide posts.

3. The rail refiner of claim 2, further comprising a lift drive mechanism; the lifting support further comprises a transfer frame, and the transfer frame is connected with the upper part of the supporting frame; the lifting driving mechanism is connected with the switching frame and drives the sliding part of the lifting bracket to move up and down along the guide post.

4. The rail refiner of claim 1, further comprising a horizontal motion mechanism comprising a feed screw, a universal joint, a traversing screw; one end of the transverse moving screw rod is connected with the horizontal support, the other end of the transverse moving screw rod is connected with one end of the universal joint, the other end of the universal joint is connected with one end of the feed screw rod, and the other end of the feed screw rod is a free end.

5. The steel rail refiner of claim 1, wherein the moving frame is provided with a moving part, and the moving part comprises a rail clamping frame and a roller;

one end of the rail clamping wheel frame is connected with the movable frame, the other end of the rail clamping wheel frame is of a U-shaped structure, and two ends of the roller are connected with two ends of the U-shaped structure in one-to-one correspondence.