CN215287720U

CN215287720U - Trolley windproof braking and positioning electric hydraulic rail clamping device

Info

Publication number: CN215287720U
Application number: CN202121336140.8U
Authority: CN
Inventors: 荆韬; 赵元鑫; 闫萌; 原伟; 蒋海波; 彭小国; 邱广庆
Original assignee: Jiaozuo Hongqiao Brake Ltd By Share Ltd
Current assignee: Jiaozuo Hongqiao Brake Ltd By Share Ltd
Priority date: 2021-06-16
Filing date: 2021-06-16
Publication date: 2021-12-24
Anticipated expiration: 2031-06-16

Abstract

The utility model relates to a dolly prevent wind braking, location electric power hydraulic pressure rail clamp, it includes the impeller, the inside of impeller is fixed with motor, centrifugal pump, hydro-cylinder from left to right in proper order, the left side of impeller is connected with the main arm, the right side of impeller is connected with the lever, the downside of lever is connected with the fly jib, the end connection of main arm has the brake shoe, the end connection of fly jib has the brake shoe, be connected with the fixed plate between main arm and the fly jib, be connected with the pull rod between main arm and the fly jib, be connected with compression spring between main arm and the fly jib, compression spring is located the top of pull rod, the pull rod is located the top of fixed plate; the utility model has the advantages of reasonable structure, less occupied space and good braking effect.

Description

Trolley windproof braking and positioning electric hydraulic rail clamping device

Technical Field

The utility model belongs to the technical field of machinery, concretely relates to braking, location electric power hydraulic pressure rail clamping device are prevent wind to dolly.

Background

The portal crane is a deformation of the bridge crane, also called gantry crane, is a bridge type crane supported on a ground track through supporting legs at two sides, and structurally comprises a portal frame, a cart running mechanism, a lifting trolley, an electric part and the like, and is mainly used for loading and unloading operations of outdoor goods yard, stock yard goods and bulk goods, and in the working process of the portal crane, the outdoor crane is prevented from sliding along the track under the action of strong wind, usually rail clamping devices are adopted at the bottom of the crane to clamp two sides of the track, so that the crane is fixed, the large crane usually adopts an electric rail clamping device, the conventional electric rail clamping device usually occupies too large space, is inflexible in operation, and is difficult to ensure the clamping effect in severe weather; therefore, the trolley windproof braking and positioning electric hydraulic rail clamping device which is reasonable in structure, small in occupied space and good in braking effect is necessary.

Disclosure of Invention

The utility model aims at overcoming the defects of the prior art and providing a trolley windproof braking and positioning electric hydraulic rail clamping device which has reasonable structure, flexible reaction and stable braking.

The purpose of the utility model is realized like this: the utility model provides a braking, location electro-hydraulic pressure rail clamping device are prevent wind to dolly, it includes the impeller, the inside of impeller is fixed with motor, centrifugal pump, hydro-cylinder from a left side to the right side in proper order, the left side of impeller is connected with the main arm, the right side of impeller is connected with the lever, the downside of lever is connected with the fly jib, the end connection of main arm has the brake shoe, the end connection of fly jib has the brake shoe, the main arm with be connected with the fixed plate between the fly jib, the main arm with be connected with the pull rod between the fly jib, the main arm with be connected with compression spring between the fly jib, compression spring is located the top of pull rod, the pull rod is located the top of fixed plate.

Specifically, the auxiliary arm is connected with the fixed plate through a second hinge point, and the main arm is connected with the fixed plate through a first hinge point.

Specifically, the outer side of the compression spring is connected with a spring tube.

Specifically, both ends are fixed with fixing bolt about the upside of fixed plate, and fixing bolt is connected with the connecting rod respectively, and the upper portion of connecting rod is connected with the slide bar, wears to be equipped with adjusting bolt on the slide bar.

The utility model has the advantages that: in the utility model, the motor, the centrifugal pump and the oil cylinder are fixed, the mechanical structure is compact, the failure rate is reduced, and the space occupation is reduced; the motor and the centrifugal pump provide power for the oil cylinder to do piston motion, the movable oil cylinder provides power for the lever, so that the compression spring is stressed and compressed, the lever drives the pull rod and the auxiliary arm to move, the brake shoe is far away from the rail, and the brake release speed is increased; when the oil cylinder is contracted, the compression spring releases pressure, and the main arm and the auxiliary arm are contracted to realize braking; the upper side of the fixed plate is fixed with a connecting rod through a fixed bolt, the connecting rod is connected with the sliding rod, and the front end of the connecting rod is fixed with an adjusting bolt, so that the size of the opening angle of the main arm and the auxiliary arm is limited; the utility model has the advantages of compact structure, stable braking and accurate braking force.

Drawings

Fig. 1 is a cross-sectional view of the utility model discloses a dolly braking of preventing wind, location electric power hydraulic pressure rail clamping device.

Fig. 2 is the structural schematic diagram of the electric hydraulic rail clamping device for braking and positioning the trolley in a windproof way.

In the figure: 1. the device comprises a pusher 2, a lever 3, a compression spring 4, a sliding rod 5, an adjusting bolt 6, a connecting rod 7, a fixing bolt 8, a second hinge point 9, an auxiliary arm 10, a spring pipe 11, a main arm 12, a fixing plate 13, a first hinge point 14, a brake shoe 15 and a pull rod.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the scope of the present invention, which is specifically described below with reference to the embodiments.

Example 1

As shown in fig. 1-2, a trolley wind-proof braking and positioning electric hydraulic rail clamping device comprises a pusher 1, wherein a motor, a centrifugal pump and an oil cylinder are sequentially fixed inside the pusher 1 from left to right, the pusher 1 is integrally positioned on the upper portion of the utility model, the left side of the pusher 1 is connected with a main arm 11, the right side of the pusher 1 is connected with a lever 2, the lower side of the lever 2 is connected with an auxiliary arm 9, the end portion of the main arm 11 is connected with a brake shoe 14, the end portion of the auxiliary arm 9 is connected with the brake shoe 14, when the brake shoe 14 is opened, the trolley can move on a rail, a fixed plate 12 is connected between the main arm 11 and the auxiliary arm 9, a pull rod 15 is connected between the main arm 11 and the auxiliary arm 9, a compression spring 3 is connected between the main arm 11 and the auxiliary arm 9, and the compression spring 3 is positioned above the pull rod 15, the pull rod 15 is located above the fixing plate 12.

When the motor of the utility model works, the centrifugal pump supplies oil to the oil cylinder, so that the oil cylinder works, the lever 2 connected with the right side of the oil cylinder is pushed out, the lever 2 compresses the compression spring 3, the lever 2 drives the auxiliary arm 9 to slightly rotate by taking the second hinge point 8 as a center, so that the main arm 11 and the auxiliary arm 9 are loosened from a track, the trolley can move along the track, when the trolley is fixed, the oil cylinder contracts, the compression spring 3 releases pressure, so that the pull rod pulls back the lever 2, the auxiliary arm 9 rotates by taking the second hinge point 8 as a center under the action of the lever 2, the auxiliary arm 9 is close to the brake shoe 14 at the end part of the main arm 11, the track is clamped to fix the trolley, the windproof effect is achieved, and the rollover prevention effect is simultaneously generated; the utility model has the advantages of flexible and stable brake reaction and integrated driving device.

Example 2

For better effect, the spring tube 10 is fixed on the outer side of the compression spring 3, so that the compression spring 3 is effectively protected, and the service life of the compression spring 3 is prolonged.

For better effect, fixing bolts 7 are fixed at the left end and the right end of the upper side of the fixing plate 12, the fixing bolts 7 are respectively connected with connecting rods 6, sliding rods 4 are respectively fixed at the upper parts of the connecting rods 6, adjusting bolts 5 penetrate through the sliding rods 4, the connecting rods 6 slide on the sliding rods 4 under the driving of the auxiliary arm 9, and the sliding distances can be adjusted by the adjusting bolts 5, so that the distance between the main arm 11 and a brake shoe 14 at the end part of the auxiliary arm 9 is limited, and the main arm 11 and the auxiliary arm 9 cannot be opened excessively.

The utility model discloses a working process does: the utility model is a normal close type brake design, when the door type crane trolley moves on the track, the utility model is electrified, the motor and the centrifugal pump work to provide power for the oil cylinder, the lever 2 applies pressure to the compression spring 3 to compress the compression spring 3, and meanwhile, the lever 2 drives the auxiliary arm 9 to loosen the track of the brake shoe 14 of the utility model; when the door-type trolley stops moving on the track, the oil cylinder contracts, the compression spring 3 rebounds, the lever 2 drives the auxiliary arm 9 to move, the main arm 11 and the brake shoe 14 at the end part of the auxiliary arm 9 simultaneously clamp the track to complete braking, the positioning of the door-type trolley is realized, and the functions of wind prevention and side turning prevention are achieved; the utility model has the advantages of the braking reaction is nimble steady, and braking force is accurate, and the space occupies fewly.

The driving device pusher 1 of the utility model is fixed with the motor, the centrifugal pump and the oil cylinder, the mechanical structure is compact, the failure rate is reduced, and the space occupation is reduced; the motor and the centrifugal pump provide power for the oil cylinder to do piston motion, the movable oil cylinder provides power for the lever 2 to enable the compression spring 3 to be compressed under stress, and the lever 2 drives the pull rod 15 and the auxiliary arm 9 to move, so that the brake shoe 14 is far away from the rail, and the brake release speed is improved; when the oil cylinder is contracted, the compression spring 3 releases pressure, and the main arm 11 and the auxiliary arm 9 are contracted to realize braking; the upper side of the fixed plate 12 is fixed with a connecting rod 6 through a fixed bolt 7, the connecting rod 6 is connected with the sliding rod 4, and the front end of the connecting rod 6 is fixed with an adjusting bolt 5 to limit the opening angle of the main arm 11 and the auxiliary arm 9; the utility model has the advantages of compact structure, stable braking and accurate braking force.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and thus, the embodiments are considered in all respects to be illustrative and not restrictive, and any reference signs in the claims are not intended to be construed as limiting the claims so far concerned.

Claims

1. The utility model provides a braking, location electric power hydraulic pressure rail clamping device are prevent wind to the dolly, it includes the impeller, its characterized in that: the novel hydraulic oil cylinder driving device is characterized in that a motor, a centrifugal pump and an oil cylinder are sequentially fixed inside the driving device from left to right, a main arm is connected to the left side of the driving device, a lever is connected to the right side of the driving device, an auxiliary arm is connected to the lower side of the lever, a brake shoe is connected to the end portion of the main arm, a brake shoe is connected to the end portion of the auxiliary arm, a fixing plate is connected between the main arm and the auxiliary arm, a pull rod is connected between the main arm and the auxiliary arm, a compression spring is connected between the main arm and the auxiliary arm, the compression spring is located above the pull rod, and the pull rod is located above the fixing plate.

2. The trolley windproof braking and positioning electric hydraulic rail clamping device according to claim 1, characterized in that: the auxiliary arm is connected with the fixed plate through a second hinge point, and the main arm is connected with the fixed plate through a first hinge point.

3. The trolley windproof braking and positioning electric hydraulic rail clamping device according to claim 1, characterized in that: and the outer side of the compression spring is connected with a spring pipe.

4. The trolley windproof braking and positioning electric hydraulic rail clamping device according to claim 1, characterized in that: fixing bolts are fixed at the left end and the right end of the upper side of the fixing plate, the fixing bolts are respectively connected with connecting rods, the upper portions of the connecting rods are connected with sliding rods, and adjusting bolts penetrate through the sliding rods.