CN210310368U

CN210310368U - Permanent magnet rail grabbing device of contact net operation vehicle

Info

Publication number: CN210310368U
Application number: CN201920906918.0U
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 contact net operation car permanent magnetism, include shell, eccentric shaft, riding wheel, permanent magnet and grab rail ware adjusting device, the shell is the shape of falling U, and two riding wheels are installed through the eccentric shaft to both ends inside, are provided with the permanent magnet between two riding wheels, the below parallel and level of permanent magnet and shell, the higher authority of shell is provided with the backup pad for be connected with the contact net operation car, be provided with on the same side of shell and grab rail ware adjusting device for rail ware's operating condition is grabbed in the adjustment. The utility model provides a contact net operation car can't grab the rail when the operation removes, the potential safety hazard of overturning easily has improved the factor of safety of contact net operation car to make the contact net operation car can not overturn under the condition of slow removal, very big assurance at contact net operation car on operation personnel's security.

Description

Permanent magnet rail grabbing device of contact net operation vehicle

Technical Field

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

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.

For example, China with the bulletin number of CN205632515U specially facilitates 2016, 10, 12 discloses a general rail grabbing device for a railway engineering vehicle, the device is provided with a rail grabbing device adjusting screw rod, the upper end of the rail grabbing device adjusting screw rod is fixedly connected with a rail grabbing device mounting seat on a frame of the railway engineering vehicle through a double-nut locking structure, the lower end of the rail grabbing device adjusting screw rod is connected with the upper end of a buffer chain ring through a suspender connecting seat, the lower end of the buffer chain ring is provided with a steel rail claw for grabbing a steel rail, the steel rail claw is sleeved with a claw clamping ring, and the rail grabbing device mounting seat is provided with a safety hook structure for hanging and retracting the rail grabbing device. The utility model discloses a to grabbing the rail ware structure and improving, what make the vehicle can stabilize blocks the rail, effectively prevents that the vehicle from appearing acutely rocking or potential safety hazards such as turning on one's side, simple structure, installation and maintenance convenient operation improve and grab rail ware performance and security performance, and the commonality is strong.

China special for 2017, 7 and 18 with the bulletin number of CN206336803U discloses a rail grabbing device, and relates to the technical field of railway freight. The rail grabber is used for connecting a vehicle underframe and a rail together, and comprises: a rail grasping member having one end connected to the rail; one end of the hole site rod head is connected with the other end of the rail grabbing component; one end of the adjusting component is connected with the other end of the hole site rod head; one end of the connecting band is connected with the other end of the adjusting part through a shackle, and the other end of the connecting band is connected with the vehicle underframe. Therefore, the vehicle underframe is connected with the rails through the rail grabber, so that the vehicle underframe is prevented from tipping along with a carriage during unloading. The rail grabbing device is not only suitable for tipping vehicles controlled by an electric mechanism, but also suitable for vehicles tipped only by air, has a simple structure, and is suitable for field working environments.

However, the rail grabbers are simple in structure, only 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 tightly 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.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a rail ware is grabbed to contact net operation car permanent magnetism has solved the contact net operation car and can't grab the rail when the operation removes, and the potential safety hazard of overturning easily has improved the factor of safety of contact net operation car to make the contact net operation car can not overturn under the condition of slow removal, very big assurance at contact net operation car operation personnel's security.

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

the utility model provides a permanent magnetism rail grabbing device of contact net operation car, includes shell, eccentric shaft, riding wheel, permanent magnet and rail grabbing ware adjusting device, the shell is the shape of falling the U, and two riding wheels are installed through the eccentric shaft to inside both ends, are provided with the permanent magnet between two riding wheels, the below parallel and level of permanent magnet and shell, be provided with the backup pad on the shell for be connected with the contact net operation car, be provided with rail grabbing ware adjusting device on the same side of shell for the operating condition of rail grabbing ware is grabbed in the adjustment.

The rail grabbing device adjusting device comprises a linkage adjusting device and a locking mechanism, the linkage adjusting device comprises a connecting lever, a connecting rod and a riding wheel lifting plate handle, one end of the connecting lever is fixedly connected with the eccentric shafts, the other end of the connecting lever is provided with a hinge shaft, the riding wheel lifting plate handle is connected with the shell through a bolt and can rotate around the bolt, the bolt is positioned between the two eccentric shafts and is positioned on the same straight line with the two eccentric shafts, the riding wheel lifting plate handle is provided with a hinge shaft at one side of the handle, the connecting rod is connected with the connecting lever and the riding wheel lifting plate handle through the hinge shaft, after the connecting lever is connected with the riding wheel lifting plate handle through the connecting rod, the connecting lever and the riding wheel lifting plate handle incline to the same direction and have the same inclination angle, the other end of the riding wheel lifting plate handle opposite to the handle is provided with two notches, and the two notches use the center of the fixing bolt as the circle center, the radii are equal and the included angles are 90 degrees, and the two openings are respectively in the full-grabbing state position and the half-grabbing state position of the rail grabbing device; the locking mechanism comprises a clamping plate and a torsion spring, one end of the clamping plate is fixed on the shell through a bolt and can rotate around the shell, the torsion spring penetrates through the bolt, one torsion arm is hooked in one through hole in the shell, the other torsion arm is clamped on the clamping plate, a fixing pin is arranged on the clamping plate and can be clamped on an opening of the riding wheel lifting plate handle, so that the riding wheel lifting plate handle is kept fixed in a full-grabbing state and a half-grabbing state, and a bending perpendicular to the clamping plate is arranged at one end, far away from the bolt, of the clamping plate and used for separating the fixing pin on the clamping plate from the opening under the action of external force, so that the riding wheel lifting plate handle can be moved to change the state of the rail grabbing device.

Furthermore, the eccentric shaft is connected with the riding wheel through a bearing, the bearing penetrates through the eccentric shaft, the two bearings are respectively positioned on two sides of the riding wheel, one side of the eccentric shaft penetrates through one side of the shell and can rotate around the shell, the other side of the eccentric shaft penetrates through the other side of the shell through a spacer bush, the other side of the eccentric shaft penetrates through the spacer bush and is fixed on the crank arm through a gasket and a screw, and the crank arm drives the eccentric shaft to rotate.

Further, the riding wheel is a nylon riding wheel.

Furthermore, the shell, the connecting rod, the connecting lever, the clamping plate and the riding wheel lifting plate are made of nonmagnetic stainless steel.

Further, the eccentric shaft, the spacer bush and the washer are made of steel.

The utility model discloses a grab rail ware when contact net operation car parking operation, will go up and down to pull the handle and beat "grab" the position entirely, the direction and the rail surface of eccentric shaft eccentricity are parallel, and the nylon riding wheel is unsettled this moment, grabs rail ware bottom and hugs closely the rail surface, grabs rail ware and rail magnetic force between the biggest, grabs the rail ware and firmly adsorbs on the rail, plays the effect that grabs the rail and stabilize.

When the position of the contact net operation vehicle needs to be moved, the clamping plate is pressed down, the lifting pull handle is driven to the 'half grabbing' position, the connecting rod drives the eccentric shaft to rotate by 90 degrees, under the action of the eccentric distance, the centers of the two nylon supporting wheels move downwards, the rail grabbing device is lifted, the bottom of the rail grabbing device forms a gap with a rail surface, the magnetic force between the rail grabbing device and the rail is weakened, the contact net operation vehicle can be slowly moved, at the moment, the magnetic force between the rail grabbing device and the rail is still attracted, the contact net operation vehicle cannot overturn, and the safety of operators on the contact net operation vehicle is guaranteed.

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

1. the utility model discloses a grab the rail ware and grab the clearance of rail ware apart from the rail surface through the eccentric shaft adjustment, make the operation car have certain magnetic attraction with the rail, can ensure the operation car can not empty, also can slowly go on the track.

2. The utility model discloses a grab rail ware can adjust the size of grabbing rail ware magnetic attraction according to the work needs.

3. The utility model discloses a there is the clearance in grabbing rail ware and rail face, requires to reduce to rail face roughness in the driving, has good adaptability to various rail faces.

Drawings

Fig. 1 is a schematic sectional view of the present invention.

Fig. 2 is a schematic view of the riding wheel mounting structure of the present invention.

In the figure: the device comprises a 1-eccentric shaft, a 2-riding wheel, a 3-bearing, a 4-spacer bush, a 5-gasket, a 6-screw, a 7-crank arm, an 8-torsion spring (65 Mn), a 9-clamping plate, a 10-connecting rod, an 11-riding wheel lifting plate handle, a 12-permanent magnet, a 13-shell and a 14-supporting plate.

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, a permanent magnet rail grabbing device for an overhead line system working vehicle comprises a shell 13, an eccentric shaft 1, two riding wheels 2, a permanent magnet 12 and a rail grabbing device adjusting device, wherein the shell 13 is in an inverted U shape and made of nonmagnetic stainless steel, the two riding wheels 2 are mounted inside two ends of the shell through the eccentric shaft 1, the riding wheels 2 are nylon riding wheels with the diameter of 100mm, the permanent magnet 12 is arranged between the two riding wheels 2, the permanent magnet 12 is flush with the lower surface of the shell 13, a supporting plate 14 is arranged on the upper surface of the shell 13 and made of a steel plate and used for being connected with the overhead line system working vehicle, and the rail grabbing device adjusting device is arranged on the same side surface of the shell 13 and used for adjusting the working state of the rail grabbing device.

As shown in fig. 2, the eccentric shaft 1 is connected with the riding wheel 2 through a bearing 3, the bearing 3 is inserted on the eccentric shaft, two bearings 3 are respectively arranged at two sides of the riding wheel 2, the bearing 3 is a 60000 type deep groove ball bearing, one side of the eccentric shaft 1 is inserted on one side of the housing 13 and can rotate around the housing 13, the other side of the eccentric shaft 1 is inserted on the other side of the housing 13 through a steel spacer 4, the steel spacer 4 is inserted on the crank arm 7 and is fixed by a washer 5 and a screw 6 of M5 × 8, so that the crank arm 7 drives the eccentric shaft 1 to rotate.

The rail grabber adjusting device comprises a linkage adjusting device and a locking mechanism, the linkage adjusting device comprises a connecting lever 7, a connecting rod 10 and a riding wheel lifting plate handle 11, the connecting lever 7 is made of nonmagnetic stainless steel, one end of the connecting lever 7 is fixedly connected with the eccentric shafts 1, the other end of the connecting lever 7 is provided with a hinge shaft, the riding wheel lifting plate handle 11 is connected with a shell 13 through a bolt and can rotate around the bolt, the bolt is positioned between the two eccentric shafts 1 and is positioned on the same straight line with the two eccentric shafts 1, the riding wheel lifting plate handle 11 is provided with a hinge shaft at one side of a handle, the connecting rod 10 is connected with the connecting lever 7 and the riding wheel lifting plate handle 11 through the hinge shaft, after the connecting lever 7 is connected with the riding wheel lifting plate handle 11 through the connecting rod 10, the connecting lever 7 and the riding wheel lifting plate handle 11 incline to the same direction and have the same inclination angle, and the other end of the riding wheel lifting plate handle 11 opposite to the handle is provided with two notches, the two openings are arranged in a way that the centers of the fixing bolts are used as circle centers, the radiuses of the two openings are equal, and the two openings form an included angle of 90 degrees, and the two openings are respectively in the full-grabbing state position and the half-grabbing state position of the rail grabbing device; the locking mechanism comprises a clamping plate 9 and a torsion spring 8, the clamping plate 9 is made of nonmagnetic stainless steel, the torsion spring 8 is made of 65Mn, one end of the clamping plate 9 is fixed on the shell 13 through a bolt and can rotate around the shell 13, the torsion spring 8 penetrates through the bolt, one torsion arm is hooked in one through hole in the shell 13, the other torsion arm is clamped on the clamping plate 9, a fixing pin is arranged on the clamping plate 9 and can be clamped on a notch of the supporting wheel lifting plate handle 11, so that the supporting wheel lifting plate handle 11 is kept fixed in a full-grabbing state position and a half-grabbing state position, and a bend perpendicular to the clamping plate is arranged at one end, far away from the bolt, of the clamping plate 9 and used for separating the fixing pin on the clamping plate 9 from the notch under the action of external force, so that the supporting wheel lifting plate handle 11 can be moved, and the state of the rail grabber is changed.

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. The utility model provides a permanent magnetism rail ware of grabbing of contact net operation car which characterized in that: the rail grabbing device comprises a shell (13), an eccentric shaft (1), two riding wheels (2), a permanent magnet (12) and a rail grabbing device adjusting device, wherein the shell (13) is inverted U-shaped, the two riding wheels (2) are mounted in two ends of the shell through the eccentric shaft (1), the permanent magnet (12) is arranged between the two riding wheels (2), the permanent magnet (12) is flush with the lower surface of the shell (13), a supporting plate (14) is arranged on the upper surface of the shell (13), and the rail grabbing device adjusting device is arranged on the same side surface of the shell (13);

the rail grabbing device adjusting device comprises a linkage adjusting device and a locking mechanism, the linkage adjusting device comprises a connecting lever (7), a connecting rod (10) and a riding wheel lifting plate handle (11), one end of the connecting lever (7) is fixedly connected with the eccentric shafts (1), the other end of the connecting lever (7) is provided with a hinge shaft, the riding wheel lifting plate handle (11) is connected with a shell (13) through a bolt and can rotate around the bolt, the bolt is positioned between the two eccentric shafts (1) and is positioned on the same straight line with the two eccentric shafts (1), the riding wheel lifting plate handle (11) is provided with a hinge shaft at one side of a handle, the connecting rod (10) is connected with the connecting lever (7) and the riding wheel lifting plate handle (11) through the hinge shaft, the connecting lever (7) and the riding wheel lifting plate handle (11) are connected through the connecting rod (10), and the connecting lever (7) and the riding wheel lifting plate handle (11) are inclined towards the same direction, the inclined angles are the same, two openings are formed in the other end, opposite to the handle, of the riding wheel lifting plate handle (11), the two openings are arranged with the center of the fixing bolt as the circle center, the radiuses are equal, and the two openings are arranged at an included angle of 90 degrees; locking mechanism includes cardboard (9) and torsional spring (8), the one end of cardboard (9) is fixed on shell (13) with the bolt, and can rotate around shell (13), torsional spring (8) are worn on the bolt, and in a through-hole of torsion arm hook on shell (13), another torsion arm card is on cardboard (9), be provided with a fixed pin on cardboard (9), the fixed pin can block on the opening of riding wheel lifter plate (11), cardboard (9) are provided with and are buckled with cardboard (9) vertically in the one end of keeping away from the bolt.

2. The permanent magnet rail grabbing device of the overhead line system operation vehicle according to claim 1, characterized in that: the eccentric shaft (1) is connected with the riding wheel (2) through a bearing, the bearing (3) penetrates through the eccentric shaft (1), the two bearings (3) are respectively positioned on two sides of the riding wheel (2), one side of the eccentric shaft (1) penetrates through one side of the shell (13) and can rotate around the shell (13), the other side of the eccentric shaft (1) penetrates through the other side of the shell (13) through the spacer bush (4), the spacer bush (4) penetrates through the crank arm (7) and is fixed through a gasket and a screw, and the crank arm (7) drives the eccentric shaft (1) to rotate.

3. The permanent magnet rail grabbing device of the overhead line system working vehicle as claimed in claim 1 or 2, wherein: the riding wheel (2) is a nylon riding wheel.

4. The permanent magnet rail grabbing device of the overhead line system operation vehicle according to claim 1, characterized in that: the shell (13), the connecting rod (10), the connecting lever (7), the clamping plate (9) and the riding wheel lifting plate handle (11) are made of nonmagnetic stainless steel.

5. The permanent magnet rail grabbing device of the overhead line system operation vehicle according to claim 2, characterized in that: the eccentric shaft (1), the spacer bush (4) and the gasket (5) are made of steel.