CN210418501U

CN210418501U - Landing leg of boarding bridge

Info

Publication number: CN210418501U
Application number: CN201921418409.XU
Authority: CN
Inventors: 刘霞; 魏法涛
Original assignee: Jiyang Eastern Hydraulic Machinery Co ltd
Current assignee: Jiyang Eastern Hydraulic Machinery Co ltd
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-04-28
Anticipated expiration: 2029-08-29

Abstract

The utility model discloses a boarding bridge landing leg mainly relates to fixed boarding bridge technical field, including supporting chassis, hyoplastron, top platform, being used for to prop up the pneumatic cylinder one of hyoplastron, being used for to prop up the pneumatic cylinder two and two curb plates of top platform, still include the support element, the support element setting just with the hyoplastron interlock on supporting the chassis. The utility model changes the condition that the original support is not supported or is fixed, and the movable support leg is arranged, thereby avoiding any interference and inconvenient use; the supporting legs are linked with the tongue plate, so that the operation is convenient and the structure is simple; the landing leg falls slowly under the effect of pneumatic cylinder along with the hyoplastron, and the impact force to supporting the chassis is less, reduces the landing leg and supports the noise that the chassis collided and contacted.

Description

Landing leg of boarding bridge

Technical Field

The utility model relates to a step on the bridge, especially a fixed landing bridge landing leg of stepping on.

Background

The dock leveler is used for bridging equipment between a forklift and a truck, is convenient for loading and unloading goods, is more in classification, is generally divided into a mobile dock leveler and a fixed dock leveler, and is suitable for various vehicles on loading and unloading sites and places with relatively busy traffic.

SUMMERY OF THE UTILITY MODEL

The utility model provides a simple structure's bridge landing leg of stepping on has solved the inconvenient problem of operation not convenient for of use that exists among the prior art.

The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be: the tongue plate supporting device comprises a supporting bottom frame, a tongue plate, a top end platform, a first hydraulic cylinder for supporting the tongue plate, a second hydraulic cylinder for supporting the top end platform, two side plates and a supporting unit, wherein the supporting unit is arranged on the supporting bottom frame and is linked with the tongue plate.

Preferably, the supporting unit comprises a plurality of supporting legs, a plurality of pull ropes and a plurality of hanging wheels, the upper ends of the plurality of supporting legs are arranged on the supporting underframe at intervals through hinges and are close to the tongue plates, the hanging wheels are arranged on the bottom surface of the supporting underframe, the pull ropes are hung on the hanging wheels, one end of each pull rope is connected with one supporting leg, and the other end of each pull rope is connected with the tongue plate.

Preferably, the number of the supporting legs corresponds to the number of the pull ropes and the hanging wheels, and the number of the supporting legs is 2-4.

Preferably, the lower end of the supporting leg is provided with a rubber sleeve.

Preferably, warning strips are arranged on the two side plates.

The utility model adopts the above structure, following advantage has: the situation that no support is used or the original support is a fixed support leg is changed, and the movable support leg is arranged, so that the situation that the support is inconvenient to use due to any interference is avoided; the supporting legs are linked with the tongue plate, so that the operation is convenient and the structure is simple; the landing leg falls slowly under the effect of pneumatic cylinder along with the hyoplastron, and the impact force to supporting the chassis is less, reduces the landing leg and supports the noise that the chassis collided and contacted.

Drawings

Fig. 1 is a schematic elevation structure of the present invention;

fig. 2 is a schematic view of the tongue plate supporting standing surface structure of the present invention.

In the figure, 1, a support chassis; 2. pulling a rope; 3. a support leg; 4. a first hydraulic cylinder; 5. a tongue plate; 6. a top end platform; 7. a warning strip; 8. a side plate; 9. a second hydraulic cylinder; 10. a rubber sleeve; 11. a change gear.

Detailed Description

In order to clearly illustrate the technical features of the present invention, the present invention is explained in detail by the following embodiments in combination with the accompanying drawings.

As shown in fig. 1 and 2, including supporting chassis 1, hyoplastron 5, top platform 6, a pneumatic cylinder 4 for propping hyoplastron 5, a pneumatic cylinder two 9 and two curb plates 8 for propping apical platform 6, still include the support element, the support element sets up on supporting chassis 1 and links to each other with hyoplastron 5, the support element includes a plurality of landing legs 3, a plurality of stay cords 2 and a plurality of peg 11, a plurality of landing legs 3 upper end all sets up on supporting chassis 1 through the hinge interval, and all be close to hyoplastron 5, peg 11 sets up on the bottom surface of supporting chassis 1, stay cord 2 hangs on peg 11 and one end connects landing leg 3, hyoplastron 5 is connected to the other end, the quantity of landing leg 3 and the quantity correspondence of stay cord 2 and peg 11 equal, and quantity is 2 ~ 4, landing leg 3 lower extreme is provided with rubber sleeve 10, all be provided with warning strip 7 on two curb plates 8.

Before the operation, one end of a hydraulic cylinder I4 is connected with a tongue plate 5 through a hinge, the other end of the hydraulic cylinder I is arranged on a supporting underframe 1 through a hinge, one end of a hydraulic cylinder II 9 is connected with a top end platform 6 through a hinge, the other end of the hydraulic cylinder II is arranged on the supporting underframe 1 through a hinge, a pull rope 2 is hung on a hanging wheel 11, one end of the pull rope 2 is connected with a supporting leg 3, the other end of the pull rope is connected with the tongue plate 5, the tongue plate 5 is kept vertical, the supporting leg 3 is vertically supported on the supporting underframe 1, during the operation, the hydraulic cylinder II 9 is started firstly, the top end platform 6 is slowly jacked up, then the hydraulic cylinder I4 is started, the tongue plate 5 is slowly jacked up, one end of the pull rope 2 is pulled to extend forwards while the tongue plate 5 is jacked up, the supporting leg 3 is pulled through the pull rope 2, the supporting leg 3 is, guarantee 5 laps of hyoplastron on the carriage, after the loading and unloading is accomplished, start hydraulic cylinder one 4 and hydraulic cylinder two 9, slowly fall hyoplastron 5 and top platform 6, the one end of stay cord 2 returns back along with the falling of hyoplastron 5 this moment, and landing leg 3 is supported on supporting chassis 1 along with the other end of stay cord 2 slowly falls and finally resumes vertical state, and rubber sleeve 10 of landing leg 3 lower extreme can reduce impact force and noise.

Wherein, hydraulic cylinder one 4 and hydraulic cylinder two 9 are prior art.

The above-mentioned specific embodiments can not be regarded as the restriction to the scope of protection of the utility model, to technical personnel in this technical field, it is right the utility model discloses any replacement improvement or transform that embodiment made all fall within the scope of protection of the utility model.

The parts of the present invention not described in detail are the known techniques of those skilled in the art.

Claims

1. The utility model provides a boarding bridge landing leg, includes support chassis, hyoplastron, top platform, is used for propping the pneumatic cylinder one of hyoplastron, is used for propping the pneumatic cylinder two and two curb plates of top platform, its characterized in that: the tongue plate supporting device further comprises a supporting unit, wherein the supporting unit is arranged on the supporting bottom frame and is linked with the tongue plate.

2. The boarding bridge leg of claim 1, wherein: the supporting unit comprises a plurality of supporting legs, a plurality of pull ropes and a plurality of hanging wheels, the upper ends of the plurality of supporting legs are arranged on the supporting underframe at intervals through hinges and are close to the tongue plates, the hanging wheels are arranged on the bottom surface of the supporting underframe, the pull ropes are hung on the hanging wheels, one ends of the pull ropes are connected with the supporting legs, and the other ends of the pull ropes are connected with the tongue plates.

3. The boarding bridge leg of claim 2, wherein: the number of the supporting legs is equal to that of the pull ropes and the hanging wheels, and the number of the supporting legs is 2-4.

4. The boarding bridge leg of claim 3, wherein: the lower end of the supporting leg is provided with a rubber sleeve.

5. The boarding bridge leg of claim 2, wherein: and warning strips are arranged on the two side plates.