CN210310367U

CN210310367U - Permanent magnet rail grabbing device

Info

Publication number: CN210310367U
Application number: CN201920906905.3U
Authority: CN
Inventors: 李钢
Original assignee: Zhengzhou Huibang Railway Equipment Co ltd
Current assignee: Zhengzhou Huibang Railway Equipment Co ltd
Priority date: 2019-06-17
Filing date: 2019-06-17
Publication date: 2020-04-14
Anticipated expiration: 2029-06-17

Abstract

The utility model discloses a rail ware is grabbed to permanent magnetism, including shell, wheel, backup pad, the board is, ends shelves pawl, fixed permanent magnet and rotatory permanent magnet, the shell is the shape of falling U, the higher authority of shell is provided with the fixed plate for be connected with contact net operation car, two wheels are installed through the shaft to the both ends inside of shell, be provided with fixed permanent magnet and rotatory permanent magnet between two wheels, rotatory permanent magnet passes through the ratchet board and is rotatory, and the ratchet board can the small-angle rotation to realize that rail ware is grabbed to permanent magnetism holds and uninstallation. The utility model provides an can use permanent magnetism sucking disc on railway auxiliary vehicle, use as grabbing the rail ware, under the condition that the automobile body blockked, satisfy handle low-angle multitime rotation magnetic pole simultaneously, realize adding or cancellation of magnetic field intensity on the working magnetic pole face to reach the purpose of grabbing rail and uninstallation.

Description

Permanent magnet rail grabbing device

Technical Field

The utility model belongs to the technical field of the device for the auxiliary railway vehicle technique and specifically relates to a permanent magnetism rail grabber for contact net operation car is related to.

Background

When the existing rail grabbing device is used for parking the railway engineering vehicle, when the wind speed reaches more than 6 levels or the curve operation is performed and the outer rail is ultrahigh and reaches the conditions of a specified value and the like, the rail grabbing device is required to be used for connecting the vehicle and the railway, the rail is clamped through the rail grabbing device, potential safety hazards such as severe shaking or rollover of the vehicle can be effectively prevented, and the safety coefficient and the reliability of parking operation are improved.

The rail grabbers of various machines are available, but the rail grabbers are simple in structure, only need to be in two states of grabbing and releasing, and need to be frequently operated and switched during operation, so that the labor intensity is increased, the operation efficiency is influenced, and when the rail grabbers are attached to a steel rail to move, the rail grabbers have high requirements on the flatness of a rail surface, otherwise the rail grabbers are easily damaged. The operation vehicle is moved under the release state of the rail grabbing device, the safety is reduced, and the vehicle body is easy to overturn.

In the industries of machining, die manufacturing and the like in China, vices or a pressing plate directly pressed on a workbench are used for clamping in the past, a large amount of precious machining time is wasted, and the efficiency is extremely low. With the emergence of high-performance neodymium iron boron rare earth materials, the development of magnetic clamps by utilizing neodymium iron boron permanent magnet materials is a trend, and permanent magnet suckers are produced at the same time. The permanent magnetic chuck is also called a magnetic chuck, is a magnetic clamp widely applied in the machining fields of machinery factories, die factories and the like, and can greatly improve the clamping efficiency of magnetic conductive steel materials. The permanent magnetic chuck takes high-performance rare earth material neodymium iron boron (Nd-Fe-B) as an inner core, and a handle of the chuck is pulled by hand to rotate, so that a magnetic force system of the neodymium iron boron in the chuck is changed, and the machined workpiece is sucked or released.

The permanent magnetic chuck adopts the high-performance permanent magnetic material neodymium iron boron (Nd-Fe-B) as the inner core of the product, so that the product has smaller volume, stronger hoisting and hoisting force and permanent and unabated magnetic force. The permanent magnetic chuck can be used without power, so that the power supply trouble is saved. The optimized magnetic circuit design of the permanent magnetic chuck ensures that the residual magnetism is almost zero.

The permanent magnetic chuck has the advantages, so that the permanent magnetic chuck is a good idea in the field of safe rail grabbing of railway auxiliary vehicles, but the purpose of sucking and unloading is achieved because the magnetic field intensity on the magnetic pole surface of the working magnetic pole is added or cancelled through the rotation of the magnetic pole.

And on the permanent magnet sucking disc, rotate the magnetic pole and rotate 150 completion through a handle, when the permanent magnet sucking disc was installed on railway auxiliary vehicle, for example when installing on the contact net operation car, because the interval between the automobile body of operation car and the rail is little, the motion of handle is blockked, the handle can only the small-angle rotation, can not realize 150 rotations to only can keep holding or uninstallation state, can not realize grabbing the rail when needing, the use needs that break away from when not needing.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a rail ware is grabbed to permanent magnetism can use permanent magnetism sucking disc on railway auxiliary vehicle, uses as grabbing the rail ware, under the circumstances that the automobile body blockked, satisfies handle low-angle rotatory magnetic pole many times simultaneously, realizes adding or cancellation of magnetic field intensity on the working magnetic pole face to reach the purpose of grabbing the rail and uninstalling, solved the unable rail of grabbing of contact net operation car vehicle when the operation removes, the potential safety hazard of overturning easily has improved the factor of safety of contact net operation car.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a permanent magnet rail grabbing device comprises a shell, wheels, a supporting plate, a plate handle, a stop pawl, a fixed permanent magnet and a rotary permanent magnet, wherein the shell is inverted U-shaped, the supporting plate is arranged on the shell and used for being connected with a contact net operation vehicle, two wheels are arranged inside two ends of the shell through wheel shafts, the fixed permanent magnet and the rotary permanent magnet are arranged between the two wheels, end plates are arranged at two ends of the fixed permanent magnet and the rotary permanent magnet, the fixed permanent magnet is positioned on the upper portion of the rotary permanent magnet, the rotary permanent magnet is fixedly penetrated on a rotary shaft, one end of the rotary shaft penetrates through the end plates and is fixedly connected with a ratchet wheel, namely the ratchet wheel and the rotary shaft rotate together, the plate handle is connected to the outer side of the ratchet wheel and can rotate around the rotary shaft, three ratchet tooth grooves and a limit bulge are arranged on the ratchet wheel, an opening, the angle of an opening of the ratchet wheel is 150 degrees, a fixing pin is arranged on an end plate at the upper part of the ratchet wheel, a stop pawl is L-shaped, the short end of the stop pawl is inserted into a ratchet groove of the ratchet wheel, the long end of the stop pawl extends out of a shell, the corner part of the stop pawl is fixed on the end plate through the fixing pin, a tension spring is arranged at the long end of the stop pawl close to the fixing pin and connected with the shell, the plate handle is hollow, a connecting rod penetrates through the middle of the plate handle, a plate handle sleeve is arranged outside the plate handle, the plate handle sleeve is connected with the connecting rod through a slotted headless shaft positioning bolt, a spring is arranged at the top end of the connecting rod, the other end of the spring is contacted with the plate handle sleeve, the bottom of the connecting rod is contacted with one end of a rotating pawl, the rotating pawl is fixed on the plate handle through a cylindrical pin and the, the connecting rod moves downwards to prop the rotating pawl to rotate the rotating pawl, the rotating pawl is rotated out of the ratchet groove of the ratchet wheel, the plate handle sleeve is loosened after the rotating plate is rotated for a certain angle, the rotating pawl enters the next ratchet groove, and then the rotating permanent magnet can be rotated for a certain angle by rotating the plate handle sleeve in the reverse direction for a certain angle, so that the rotating permanent magnet can be rotated for a plurality of times of circulation to complete the rotation of the rotating permanent magnet, and the purposes of rail grabbing and unloading are achieved.

Further, the included angle between two adjacent ratchet grooves on the ratchet wheel is 50 degrees.

Further, the magnetic poles of the fixed permanent magnets are arranged vertically.

Further, the outer shell and the end plate are made of aluminum alloy.

Furthermore, the supporting plate, the plate handle, the stop pawl and the rotating pawl are made of nonmagnetic stainless steel.

Further, the wheels are made of rubber.

Furthermore, the fixed permanent magnet and the rotating permanent magnet are made of neodymium iron boron.

Further, the tension spring and the torsion spring are made of 65Mn materials.

Further, a magnetic yoke is arranged below the rotating permanent magnet in the shell, so that the magnetic force concentration of the permanent magnet is realized.

The utility model discloses a rail ware is grabbed to permanent magnetism, when using, the wheel of grabbing the rail ware is on the rail, and the rotor plate is unanimous to the magnetic pole that makes the rotating permanent magnet and the magnetic pole direction of fixed permanent magnet, makes the magnetic field intensity that the direction of grabbing the rail ware towards the steel rail face realizes fixed permanent magnet and rotating permanent magnet add to reach and grab rail ware and adsorb on the rail surface, because magnetic attraction is very big, so grab the rail ware and firmly fix on the rail surface, can not remove, realize grabbing the purpose of rail.

The utility model discloses a rail ware is grabbed to permanent magnetism when needs break away from, moves earlier and ends the shelves pawl, and reverse rotor plate is the cubic again, lets rotatory permanent magnet rotatory 150, makes the magnetic pole of fixed permanent magnet and the magnetic pole of rotatory permanent magnet be close relatively to realize that the magnetic field intensity of fixed permanent magnet and rotatory permanent magnet offsets each other, grab the rail ware and diminish at the absorption magnetic force on rail surface, realize the uninstallation promptly, grab the rail ware and break away from the rail surface, the contact net operation car of being convenient for removes.

The utility model discloses a wheel is the rubber wheel, certain elasticity has, the rail ware is being grabbed to the permanent magnetism when grabbing the rail, because the attraction of strong magnetic force to the rail, compression rubber wheel warp, the yoke and the rail surface contact of rail ware are grabbed in the messenger, and firmly fixed on the rail surface, can not remove, realize grabbing the purpose of rail, after the magnetic field intensity of fixed permanent magnet and rotatory permanent magnet offsets each other, under the elastic action of rubber wheel, the wheel reconversion, the yoke of grabbing the rail ware has certain clearance with the rail, thereby the messenger grabs the different occasions of rail ware adaptation.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a rail ware is grabbed to permanent magnetism, through the addition or cancellation of magnetic field intensity on the magnetic pole face of fixed permanent magnet and rotatory permanent magnet to reach the purpose of holding and uninstallation, realize grabbing the rail of rail ware and the operation of uninstallation, convenient and fast.

2. The utility model discloses a rail ware is grabbed to permanent magnetism moves through the board of many times small angle, rotates the permanent magnet, realizes holding and uninstallation, adapts to narrow and small space and uses, has solved unable wide angle rotor plate problem in the narrow and small space.

3. The utility model discloses a rail ware is grabbed to permanent magnetism, it is different to move the angle through the board, and the suction of rail ware is grabbed to adjustment permanent magnetism that can be convenient adapts to the rail demand of grabbing of different occasions.

Drawings

Fig. 1 is a schematic side view of the appearance of the present invention.

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

Fig. 3 is a schematic view of the structure of the section a-a of the present invention.

Fig. 4 is a schematic view of the cross-sectional structure of B-B of the present invention.

Fig. 5 is a schematic structural view of the present invention on a steel rail.

In the figure: 1-shell, 2-support plate, 3-shaft, 4-wheel, 5-plate handle, 6-stop pawl, 7-fixed permanent magnet, 8-rotating permanent magnet, 9-end plate, 10-fixed pin, 11-ratchet wheel, 12-tension spring, 13-rotating pawl, 14-cylindrical pin, 15-torsion spring, 16-rotating shaft, 51-spring, 52-handle sleeve, 53-slotted headless shaft positioning bolt, 54-pawl plate and 55-connecting rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example (b):

as shown in fig. 1, 2, 3 and 4, a permanent magnet rail grabbing device comprises a shell 1, wheels 4, a supporting plate 2, a plate handle 5, a stop pawl 6, a fixed permanent magnet 7 and a rotary permanent magnet 8, wherein the shell 1 is in an inverted U shape and made of aluminum alloy, the supporting plate 2 is arranged on the shell 1 and made of non-magnetic stainless steel and used for being connected with a contact net work vehicle, the two wheels 4 are arranged inside the two ends of the shell 1 through wheel shafts 3, the wheels 4 are rubber wheels, the fixed permanent magnet 7 and the rotary permanent magnet 8 are arranged between the two wheels 4, the permanent magnet is a neodymium iron boron permanent magnet, end plates 9 are arranged at the two ends of the fixed permanent magnet 7 and the rotary permanent magnet 8, the end plates 9 are made of aluminum alloy and are non-magnetic and are prevented from interference and convenient to install, the fixed permanent magnet 7 is arranged on the upper portion of the rotary, the magnetic poles of the fixed permanent magnets 7 are vertically arranged, a magnetic yoke is arranged below the rotary permanent magnets 8 in the shell 1 to realize magnetic force concentration of the permanent magnets, the rotary permanent magnets 8 are fixedly penetrated on a rotary shaft 16, one end of the rotary shaft 16 penetrates through an end plate 9 and is fixedly connected with a ratchet wheel 11, namely, the ratchet wheel 11 and the rotary shaft 16 rotate together, the ratchet wheel 11 is also made of nonmagnetic metal and has certain wear resistance, a plate handle 5 is connected to the outer side of the ratchet wheel 11, the plate handle 5 is made of nonmagnetic stainless steel, the plate handle 5 can rotate around the rotary shaft 16, the ratchet wheel 11 is provided with three ratchet grooves and a limiting bulge, the included angle between two adjacent ratchet grooves on the ratchet wheel 11 is 50 degrees, the end plate 9 is provided with an opening for the limiting bulge to move, the angle of the opening is 150 degrees, and a fixing pin 10 is arranged on the end plate at the upper part of the ratchet, the stop pawl 6 is L-shaped, the short end is inserted into the ratchet groove of the ratchet wheel 11, the long end extends out of the shell 1, the stop pawl 6 is fixed on the end plate 9 through the fixing pin 10 at the corner part, a tension spring 12 is arranged at the position, close to the fixing pin 10, of the long end of the stop pawl 6 and connected with the shell 1, the tension spring 12 is made of 65Mn material, the plate handle 5 is hollow, a connecting rod 55 penetrates through the middle of the plate handle 5, a plate handle sleeve 52 is arranged outside the plate handle, the plate handle sleeve 52 is connected with the connecting rod 55 through a slotted headless shaft positioning bolt 53, a spring 51 is arranged at the top end of the connecting rod 55, the other end of the spring 51 is in contact with the plate handle sleeve 52, the spring 51 is made of 65Mn material, the bottom of the connecting rod 55 is in contact with one end of the rotating pawl 13, the rotating pawl 13 is fixed on the plate handle 5 through a cylindrical pin 14 and a torsion spring 15, the, when the plate handle sleeve 52 is held by a hand to exert downward force, the connecting rod 55 moves downward to prop against the rotating pawl 13, so that the rotating pawl 13 rotates, the rotating pawl 13 rotates out of the ratchet groove of the ratchet wheel 11, at the moment, after the plate handle 5 rotates for a certain angle, the plate handle sleeve 52 is loosened, the rotating pawl 13 enters the next ratchet groove, then, the rotating permanent magnet 8 can rotate for a certain angle after the plate handle 5 rotates for a certain angle reversely, and the rotation of the rotating permanent magnet 8 is completed for multiple cycles, so that the purposes of rail grabbing and unloading are achieved.

As shown in FIG. 5, the utility model discloses a rail ware is grabbed to permanent magnetism, when using, the wheel of grabbing the rail ware is on the rail, and the rotor plate is unanimous to the magnetic pole that makes the rotating permanent magnet and the magnetic pole direction of fixed permanent magnet, makes the magnetic field intensity that the direction of grabbing the rail ware towards the steel rail face realizes fixed permanent magnet and rotating permanent magnet add to reach and grab the rail ware and adsorb on the rail surface, because magnetic attraction is very big, so grab the rail ware and firmly fix on the rail surface, can not remove, realize grabbing the purpose of rail.

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent replacements made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims

1. A rail ware is grabbed to permanent magnetism which characterized in that: comprises a shell (1), wheels (4), a supporting plate (2), a plate handle (5), a stop pawl (6), a fixed permanent magnet (7) and a rotary permanent magnet (8), wherein the shell (1) is in an inverted U shape, the supporting plate (2) is arranged on the shell (1) and is used for being connected with a contact net work vehicle, the two wheels (4) are arranged inside two ends of the shell (1) through a wheel shaft (3), the fixed permanent magnet (7) and the rotary permanent magnet (8) are arranged between the two wheels (4), end plates (9) are arranged at two ends of the fixed permanent magnet (7) and the rotary permanent magnet (8), the fixed permanent magnet (7) is positioned at the upper part of the rotary permanent magnet (8), the rotary permanent magnet (8) is fixedly penetrated on a rotary shaft (16), one end of the rotary shaft (16) penetrates through the end plates (9) and is fixedly connected with a ratchet wheel (, namely, the ratchet wheel (11) rotates together with the rotating shaft (16), the plate handle (5) is connected to the outer side of the ratchet wheel (11), the plate handle (5) can rotate around the rotating shaft (16), the ratchet wheel (11) is provided with three ratchet grooves and a limit bulge, an opening for the limit bulge to move is arranged on the end plate (9), the opening angle is 150 degrees, a fixing pin (10) is arranged on the upper end plate (9) of the ratchet wheel (11), the stop pawl (6) is L-shaped, the short end of the stop pawl is inserted into the ratchet groove of the ratchet wheel (11), the long end of the stop pawl extends out of the shell (1), the stop pawl (6) is fixed on the end plate (9) through the fixing pin (10) at the corner part, a tension spring (12) is arranged at the position, close to the fixing pin (10), of the long end of the stop pawl (6) and connected with the shell (1), the plate handle (5) is hollow, a connecting rod (55) penetrates through the middle of the handle, a plate handle sleeve (52) is arranged outside the handle, the plate handle sleeve (52) is connected with the connecting rod (55) through a slotted headless positioning bolt (53), a spring (51) is arranged at the top end of the connecting rod (55), the other end of the spring (51) is in contact with the plate handle sleeve (52), the bottom of the connecting rod (55) is in contact with one end of a rotating pawl (13), the rotating pawl (13) is fixed on a plate handle (5) through a cylindrical pin (14) and a torsion spring (15), and the other end of the rotating pawl (13) is clamped in a tooth socket ratchet of a ratchet wheel (11).

2. The permanent magnet rail grabber as recited in claim 1, wherein: the included angle of two adjacent ratchet grooves on the ratchet wheel (11) is 50 degrees.

3. The permanent magnet rail grabber as recited in claim 1, wherein: the magnetic poles of the fixed permanent magnets (7) are vertically arranged.

4. The permanent magnet rail grabber as recited in claim 1, wherein: the shell (1) and the end plate (9) are made of aluminum alloy.

5. The permanent magnet rail grabber as recited in claim 1, wherein: the supporting plate (2), the plate handle (5), the stop pawl (6) and the rotating pawl (13) are made of non-magnetic stainless steel.

6. The permanent magnet rail grabber as recited in claim 1, wherein: the wheels (4) are made of rubber.

7. The permanent magnet rail grabber as recited in claim 1, wherein: the fixed permanent magnet (7) and the rotary permanent magnet (8) are made of neodymium iron boron.

8. The permanent magnet rail grabber as recited in claim 1, wherein: the tension spring (12) and the torsion spring (15) are made of 65Mn materials.