CN214607531U

CN214607531U - Rail grabbing device

Info

Publication number: CN214607531U
Application number: CN202120734201.XU
Authority: CN
Inventors: 赵永春; 赵瑞红; 董舫; 武一钢
Original assignee: Hebei Bofa Electric Equipment Co ltd
Current assignee: Hebei Bofa Electric Equipment Co ltd
Priority date: 2021-04-10
Filing date: 2021-04-10
Publication date: 2021-11-05
Anticipated expiration: 2031-04-10

Abstract

The utility model discloses a grab rail ware, the on-line screen storage device comprises a base, the top of base is provided with support and control roll, be provided with the push-and-pull rod on the periphery of control roll, the inside linkage plate that is provided with of base, it has the jack catch to articulate on the linkage plate, the top of linkage plate is provided with the linkage rod, the lower pot head of linkage rod is equipped with the spring, the side of base articulates there is the connecting rod, the cover is equipped with the extension bar on the connecting rod, the extension bar slides and fixes a position through holding screw locking along the connecting rod, the pot head of keeping away from the base on the extension bar is equipped with the fixing base, the below of fixing base is connected with clamping device through rotary device. The utility model can adjust the angle of the connecting rod and change the height of the clamping device; the connecting rod is sleeved with the lengthening rod to form the connecting rod with the telescopic function, so that the length is increased, a user can adjust the connecting rod according to needs, the application range is wider, and the use is more convenient; the rotating device realizes that the clamping device rotates within the range of 360 degrees, is suitable for various working environments, and has strong universality.

Description

Rail grabbing device

Technical Field

The utility model relates to an electric railway overhauls equipment technical field, especially relates to a grab rail ware.

Background

In the construction of electric railway contact net and maintenance, often use the ladder car to carry out the eminence operation, the ladder car height is usually more than 3 meters, and for the manual handling, the ladder car generally uses light material to constitute, because the rail gauge is limited, the ladder car base is narrow and the car height along rail vertically direction, and in use causes the ladder car to turn on one's side easily, has the potential safety hazard and can cause the operation personnel eminence to fall. Therefore, when the ladder car is used for operation, 4 persons are required to move the ladder car along the steel rail to prevent the ladder car from turning over laterally in the traditional method, the iron shoe pads are used to prevent the ladder car from moving along the steel rail and the ropes from being pulled obliquely to prevent the ladder car from turning over, the labor intensity and the manpower and material resources are increased, and the potential safety hazard is relatively large. The connecting rod fixed connection of grabbing the rail ware among the prior art is on the base, and the connecting rod is fixed with the contained angle of horizontal plane, and the length of connecting rod is also fixed, and clamping device passes through the mount pad and installs on the connecting rod, and the angle can not be adjusted, has very big limitation in the in-service use process.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a grab rail ware solves the contained angle of connecting rod and horizontal plane and can not change, and the length of connecting rod is fixed can not be adjusted, the problem that the clamping device angle can not be adjusted.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model relates to a rail grabbing device, the on-line screen storage device comprises a base, the top of base is provided with support and control roll, be provided with the push-and-pull rod on the periphery of control roll, the inside linkage plate that is provided with of base, it has the jack catch to articulate on the linkage plate, the top of linkage plate is provided with the linkage rod, the lower pot head of linkage rod is equipped with the spring, the upper end of linkage rod runs through set up behind the support the bottom of control roll, the side of base articulates there is the connecting rod, the cover is equipped with the extension bar on the connecting rod, the extension bar is followed the connecting rod slides and fixes a position through holding screw locking, keep away from on the extension bar one pot head of base is equipped with the fixing base, the below of fixing base is connected with clamping device through rotary device.

Furthermore, the clamping device comprises an upper clamping plate and a lower clamping plate, a stud is arranged at the bottom of the upper clamping plate, the stud penetrates through the lower clamping plate and then is fastened through a butterfly nut, a V-shaped clamping groove is formed in the upper clamping plate, and a clamping cavity is formed by the V-shaped clamping groove and the upper surface of the lower clamping plate.

Still further, an anti-skidding groove is arranged on the inner wall of the V-shaped clamping groove.

Furthermore, the number of the studs is two, and the two studs are respectively arranged on two sides of the V-shaped clamping groove.

Still further, the rotating device comprises an upper connecting piece and a lower connecting piece, a rotating shaft is arranged between the upper connecting piece and the lower connecting piece, an annular groove is formed in the contact surface of the upper connecting piece and the lower connecting piece, a plurality of balls are arranged in the annular groove, the upper connecting piece is arranged at the bottom of the fixing seat, and the lower connecting piece is arranged at the top of the upper clamping plate.

Still further, the spring sets up in the inside of base, the upper end butt of spring is in on the top surface of base, the lower extreme butt of spring is in the top of linkage board.

Still further, the number of the claws is two and the claws are arranged oppositely.

Compared with the prior art, the utility model discloses a beneficial technological effect:

the utility model relates to a rail grabbing device, which comprises a base, a support, a control roller, a push-pull rod, a linkage plate, a claw, a linkage rod, a spring, a connecting rod, a lengthening rod, a fixed seat, a rotating device and a clamping device, wherein the connecting rod of the utility model is hinged on the base, so that the angle of the connecting rod can be conveniently adjusted, the height of the clamping device can be changed, and the universality is stronger; the extension bar is sleeved on the connecting rod, the length can be increased, meanwhile, the extension bar can slide along the connecting rod, the existing connecting rod with the fixed length is changed into the connecting rod with the telescopic function, and a user can adjust the length of the connecting rod according to needs, so that the distance between the clamping device and the base is adjusted, the application range is wider, and the use is more convenient; through setting up rotary device, can realize clamping device at 360 within ranges internal rotations, be convenient for adjust clamping device's angle, it is more convenient to use, can be applicable to among the multiple operational environment, the commonality is strong.

Drawings

The present invention will be further explained with reference to the following description of the drawings.

FIG. 1 is a schematic view of the rail grabber of the present invention;

FIG. 2 is a diagram showing the usage state of the rail grabber of the present invention;

FIG. 3 is a schematic view of the structure of the rotating device of the present invention;

description of reference numerals: 1. a base; 2. a linkage plate; 3. a claw; 4. a linkage rod; 5. a spring; 6. a support; 7. a control roller; 8. a push-pull rod; 9. a connecting rod; 10. lengthening a rod; 11. tightening the screw; 12. a fixed seat; 13. a rotating device; 14. an upper splint; 15. a lower splint; 16. a butterfly nut; 17. a stud; 18. a rail; 131. a rotating shaft; 132. an upper connecting sheet; 133. a lower connecting sheet; 134. and a ball.

Detailed Description

As shown in fig. 1-3, the rail grabber comprises a base 1, a support 6 and a control roller 7 are arranged above the base 1, a push-pull rod 8 is arranged on the circumferential surface of the control roller 7, a linkage plate 2 is arranged in the base 1, the linkage plate 2 is hinged with claws 3, the number of the claws 3 is two and the claws are arranged oppositely, a linkage rod 4 is arranged above the linkage plate 2, a spring 5 is sleeved at the lower end of the linkage rod 4, the upper end of the linkage rod 4 is arranged at the bottom of the control roller 7 after penetrating through the support 6, the side surface of the base 1 is hinged with a connecting rod 9, an extension bar 10 is sleeved on the connecting rod 9, the extension bar 10 slides along the connecting rod 9 and is locked and positioned through a set screw 11, a fixed seat 12 is sleeved on one end, far away from the base 1, of the extension bar 10, and a clamping device is connected below the fixed seat 12 through a rotating device 13; the connecting rod 9 of the utility model is hinged on the base 1, which is convenient for adjusting the angle of the connecting rod 9, changing the height of the clamping device and having stronger universality; the extension rod 10 is sleeved on the connecting rod 9, the length can be increased, meanwhile, the extension rod 10 can slide along the connecting rod 9, the existing connecting rod with the fixed length is changed into a connecting rod with a telescopic function, and a user can adjust the length of the connecting rod according to needs, so that the distance between the clamping device and the base 1 is adjusted, the application range is wider, and the use is more convenient; specifically, as shown in fig. 1, when the push-pull rod 8 is located at the leftmost end, the linkage plate 2 is located at the lowermost position, the linkage rod 4 is located at the bottommost end of the control roller 7, the opening angle of the jaw 3 is the largest, the push-pull rod 8 is rotated, the linkage rod 4 drives the linkage plate 2 to move upwards, the opening angle of the jaw 3 is gradually reduced, as shown in fig. 2, when the push-pull rod 8 rotates to the rightmost end, the linkage rod 4 is located at the topmost end of the control roller 7, and the jaw 3 clamps the rail 18.

Specifically, the clamping device comprises an upper clamping plate 14 and a lower clamping plate 15, a stud 17 is arranged at the bottom of the upper clamping plate 14, the stud 17 penetrates through the lower clamping plate 15 and then is fastened through a butterfly nut 16, a V-shaped clamping groove is formed in the upper clamping plate 14, and the V-shaped clamping groove and the upper surface of the lower clamping plate 15 form a clamping cavity; be provided with anti-skidding groove on the inner wall in V font centre gripping groove, prevent that the ladder car base steel pipe of ladder car side from skidding, more firm that can fix.

The number of the studs 17 is two, and the two studs 17 are respectively arranged on two sides of the V-shaped clamping groove.

As shown in fig. 3, the rotating device 13 includes an upper connecting piece 132 and a lower connecting piece 133, a rotating shaft 131 is disposed between the upper connecting piece 132 and the lower connecting piece 133, an annular groove is disposed on a contact surface of the upper connecting piece 132 and the lower connecting piece 133, a plurality of balls 134 are disposed in the annular groove, the upper connecting piece 132 is disposed at the bottom of the fixing seat 12, and the lower connecting piece 133 is disposed at the top of the upper clamping plate 14; the rotation of the upper connecting piece 132 and the lower connecting piece 133 is facilitated by the arrangement of the balls 134; through setting up rotary device 13, can realize clamping device at 360 within range rotations, be convenient for adjust clamping device's angle, it is more convenient to use, can be applicable to among the multiple operational environment, the commonality is strong.

The spring 5 is arranged in the base 1, the upper end of the spring 5 abuts against the top surface of the base 1, and the lower end of the spring 5 abuts against the upper surface of the linkage plate 2; the spring 5 can provide assistance when the push-pull rod rotates, so that the clamping control device is prevented from loosening.

The utility model discloses a use as follows:

firstly, clamping the clamping jaws 3 in an open state on a rail 18, then rotating the push-pull rod 8 to enable the clamping jaws 3 to tighten and wrap the head of the rail 18, and clamping the rail 18; step two, adjusting the extension length of the extension bar 10 according to the distance between the ladder car and the rail 18, enabling the extension bar 10 to slide along the connecting rod 9, and locking and positioning through a set screw 11 after adjusting to a proper distance; step three, the rotating device 13 is rotated, and the connecting piece 132 and the lower connecting piece 133 rotate around the rotating shaft 131, so that the angle of the clamping device is changed, and the V-shaped clamping groove on the upper clamping plate 14 is aligned to the ladder car base steel pipe on the side face of the ladder car; step four, placing a steel pipe of a ladder car base on the side face of the ladder car into a V-shaped clamping groove on an upper clamping plate 14, and fastening a lower clamping plate 15 through a stud 17 and then through a butterfly nut 16 to fix the steel pipe in a clamping cavity formed by the V-shaped clamping groove and the upper surface of the lower clamping plate 15, so that the ladder car is fixed; step five, when the ladder car needs to move, the push-pull rod 8 can be rotated in the opposite direction, so that the clamping jaws 3 loose the rails 18, the base 1 can be rotated onto the chassis of the ladder car due to the fact that the connecting rod 9 is hinged to the side face of the base 1, and then the ladder car is pushed to run.

The utility model discloses in base, linkage plate, jack catch, gangbar, spring, support, control roller, push-and-pull rod, holding screw, butterfly nut, double-screw bolt and ball that relate to all belong to prior art, no longer detail here.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims

1. A rail grabbing device is characterized in that: the device comprises a base (1), a support (6) and a control roller (7) are arranged above the base (1), a push-pull rod (8) is arranged on the circumferential surface of the control roller (7), a linkage plate (2) is arranged inside the base (1), a clamping jaw (3) is hinged on the linkage plate (2), a linkage rod (4) is arranged above the linkage plate (2), a spring (5) is sleeved at the lower end of the linkage rod (4), the upper end of the linkage rod (4) penetrates through the support (6) and is arranged at the bottom of the control roller (7), a connecting rod (9) is hinged on the side surface of the base (1), an extension rod (10) is sleeved on the connecting rod (9), the extension rod (10) slides along the connecting rod (9) and is locked and positioned through a set screw (11), a fixing seat (12) is sleeved on the extension rod (10) far away from one end of the base (1), the lower part of the fixed seat (12) is connected with a clamping device through a rotating device (13).

2. The rail grabber as recited in claim 1, wherein: the clamping device comprises an upper clamping plate (14) and a lower clamping plate (15), a stud (17) is arranged at the bottom of the upper clamping plate (14), the stud (17) penetrates through the lower clamping plate (15) and then is fastened through a butterfly nut (16), a V-shaped clamping groove is formed in the upper clamping plate (14), and a clamping cavity is formed by the V-shaped clamping groove and the upper surface of the lower clamping plate (15).

3. The rail grabber as recited in claim 2, wherein: and an anti-skid groove is arranged on the inner wall of the V-shaped clamping groove.

4. The rail grabber as recited in claim 2, wherein: the number of the studs (17) is two, and the two studs (17) are respectively arranged on two sides of the V-shaped clamping groove.

5. The rail grabber as recited in claim 2, wherein: the rotating device (13) comprises an upper connecting piece (132) and a lower connecting piece (133), a rotating shaft (131) is arranged in the middle of the upper connecting piece (132) and the lower connecting piece (133), an annular groove is formed in the contact surface of the upper connecting piece (132) and the lower connecting piece (133), a plurality of balls (134) are arranged in the annular groove, the upper connecting piece (132) is arranged at the bottom of the fixing seat (12), and the lower connecting piece (133) is arranged at the top of the upper clamping plate (14).

6. The rail grabber as recited in claim 1, wherein: the spring (5) is arranged inside the base (1), the upper end of the spring (5) abuts against the top surface of the base (1), and the lower end of the spring (5) abuts against the upper surface of the linkage plate (2).

7. The rail grabber as recited in claim 1, wherein: the number of the clamping jaws (3) is two and the clamping jaws are arranged oppositely.