CN207777474U - A kind of gantry cart brake apparatus - Google Patents

Abstract

The utility model relates to a braking device for a large cart of a gantry crane, which comprises a vehicle frame and a running mechanism. The running mechanism is arranged at the lower part of the vehicle frame. Wheel support plates are arranged at both ends, and an axle is arranged between the two wheel support plates. Wheels are arranged at the left and right ends of the axle. There is a gap between the wheels and the wheel support plates. A first braking mechanism is arranged above the wheels. The braking mechanism includes a first driving mechanism, the upper end of the first driving mechanism is fixed on the vehicle frame, the lower end of the first driving mechanism is fixedly provided with a brake hoop, the track is arranged under the wheel, and the second braking mechanism is arranged in front of the wheel. The braking mechanism includes the second left braking mechanism and the second right braking mechanism. The structure of the second left braking mechanism and the second right braking mechanism is the same. The utility model has compact structure, good braking effect, and can effectively shorten the crane braking distance.

Description

Cart brake device of a gantry crane

technical field

The utility model relates to a braking device, in particular to a braking device for a cart of a gantry crane.

Background technique

Gantry crane is a deformation of bridge crane, also called gantry crane. It is mainly used for loading and unloading operations of outdoor cargo yards, stockyard cargoes, and bulk cargoes. Its metal structure is like a door-shaped frame. Two legs are installed under the main beam, which can directly walk on the track on the ground. The two ends of the main beam can have outrigger cantilever beams. Gantry cranes have the characteristics of high site utilization, large operating range, wide adaptability, and strong versatility, and are widely used in port freight yards. It can be classified according to the structure of the door frame, according to the form of the main beam, according to the structure of the main beam, and according to the form of use. The gantry crane can not be hindered by the ground equipment. Because the existing gantry crane uses the walking motor to drag the action wheel to walk, the existing braking device only brakes the action wheel. With the increase of the tonnage of the gantry crane As the braking distance increases, braking becomes more and more difficult, which greatly affects safety performance.

Utility model content

The purpose of the utility model is to provide a gantry crane cart braking device which can not only shorten the braking distance, but also can brake more effectively.

In order to solve the above technical problems, the utility model adopts the following technical solutions:

A braking device for a gantry crane cart, including a vehicle frame and a traveling mechanism, the traveling mechanism is arranged at the lower part of the vehicle frame, the traveling mechanism includes a wheel support plate, an axle, wheels and rails, and the left and right ends of the lower end surface of the vehicle frame are arranged A wheel support plate, an axle is arranged between the two wheel support plates, wheels are arranged at the left and right ends of the axle, there is a gap between the wheel and the wheel support plate, and a first brake mechanism is arranged above the wheel, and the first brake mechanism includes The first driving mechanism, the upper end of the first driving mechanism is fixed on the vehicle frame, the lower end of the first driving mechanism is fixedly provided with a brake hoop, the track is arranged under the wheel, and the second braking mechanism is arranged in front of the wheel, and the second braking mechanism includes The left second brake mechanism and the right second brake mechanism, the left second brake mechanism and the right second brake mechanism have the same structure, the left second brake mechanism includes a second brake mechanism support plate, the second brake mechanism The support plate includes a left second brake mechanism support plate and a right second brake mechanism support plate, and the left second brake mechanism support plate and the right second brake mechanism support plate are arranged opposite to each other with the left and right centerlines of the rails as the center of symmetry. The upper end of the left second brake mechanism support plate is fixed on the vehicle frame, the right part of the lower end of the left second brake mechanism support plate is provided with a second drive mechanism, the right end of the second drive mechanism is fixedly provided with a first claw, and the right second The upper end of the support plate of the brake mechanism is fixed on the vehicle frame, and the left part of the lower end is provided with a third drive mechanism, and the left end of the third drive mechanism is provided with a second holding claw, and the first holding claw and the second wrapping claw are aligned with the left and right centerlines of the rails. Set relative to the center of symmetry.

A third brake mechanism is arranged between the left end wheel and the right end wheel, the third brake mechanism includes a left third brake mechanism and a right third brake mechanism, the left third brake mechanism is arranged on the right side of the left end wheel, and the right end wheel The right third brake mechanism is set on the left side of the vehicle. The left third brake mechanism has the same structure as the right third brake mechanism and is symmetrically arranged with the left and right centerlines of the axle as the center line. The left third brake mechanism includes a third brake mechanism. The third brake mechanism support plate includes the left third brake mechanism support plate and the right brake mechanism support plate, the left third brake mechanism support plate and the right brake mechanism support plate are arranged oppositely, the left third A brake disc is arranged between the brake mechanism support plate and the right brake mechanism support plate, the brake disc is sleeved on the axle, the left end of the brake disc is provided with a left brake pad, the left end of the left brake pad is provided with a fourth drive mechanism, and the fourth drive The left end of the mechanism is fixed on the lower end of the support plate of the third left brake mechanism, the right end of the brake disc is provided with a right brake pad, the right end of the right brake pad is provided with a fifth drive mechanism, and the right end of the fifth drive mechanism is fixedly installed on the right end of the third right brake mechanism. The lower end of the support plate.

The shape of the brake hoop is arc-shaped, and the size of the inner circle of the brake hoop is the same as the size of the outer circle of the wheel.

The shapes of the first claw and the second claw are both "concave". The mouth is relatively arranged with respect to the rail, and the size and position of the notch openings of the first claw and the second claw are adapted to the size and position of the rail.

The first driving mechanism includes a first cylinder and a first piston rod, the upper end of the first cylinder is fixed on the frame, the first piston rod is arranged in the first cylinder, and the lower end of the first piston rod is fixedly connected with the brake hoop.

The second driving mechanism includes a second cylinder and a second piston rod. The left end of the second cylinder is fixed on the left second brake mechanism support plate. The second cylinder is provided with a second piston rod. Claw fixed connection.

The third driving mechanism includes a third cylinder and a third piston rod. The right end of the third cylinder is fixed on the right second brake mechanism support plate. Claw fixed connection.

The fourth driving mechanism includes a fourth cylinder and a fourth piston rod. The left end of the fourth cylinder is fixed on the support plate of the third left brake mechanism. The fourth cylinder is provided with a fourth piston rod. Fixed connection.

The fifth driving mechanism includes a fifth cylinder and a fifth piston rod. The right end of the fifth cylinder is fixed on the support plate of the third right brake mechanism. The fifth cylinder is provided with a fifth piston rod. Fixed connection.

Compared with the prior art, the beneficial effects of the utility model are: the utility model is provided with a first braking mechanism and a second braking mechanism, the first braking mechanism can effectively brake the wheels, and the second braking mechanism It can hold the rail tightly to limit the movement of the gantry crane. The third brake mechanism can limit the rotation of the axle to play the role of brake. The utility model is equipped with three brake mechanisms, which can play a more effective brake effect , the braking distance is greatly shortened, and the safety of the gantry crane is improved. The utility model has compact structure and good braking effect, and can effectively shorten the braking distance of the crane.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the right view of Fig. 1;

Fig. 3 is a structural schematic diagram of the third brake mechanism in the present invention.

In the figure: 1, vehicle frame 2, right second brake mechanism support plate 3, third cylinder 4, third piston rod 5, second claw 6, rail 7, first claw 8, second piston rod 9. The second cylinder 10, the left second brake mechanism support plate 11, the axle 12, the wheel support plate 13, the wheel 14, the left third brake mechanism support plate 15, the right third brake mechanism support plate 16, the fifth Cylinder 17, the fifth piston rod 18, right brake pad 19, left brake pad 20, the fourth piston rod 21, the fourth cylinder 22, the first cylinder 23, the first piston rod 24, brake hoop 25, brake disc.

Detailed ways

Embodiment: As shown in Figures 1 to 3, a cart braking device for a gantry crane includes a vehicle frame 1 and a traveling mechanism. , wheel 13 and rail 6, the left and right ends of vehicle frame 1 lower end face are all provided with wheel support plate 12, axle shaft 11 is arranged between two wheel support plates 12, and wheel 13 is all provided with the left and right ends of axle shaft 11, and wheel 13 There is a gap between the wheel support plate 12, a third brake mechanism is arranged between the left end wheel 13 and the right end wheel 13-1, the third brake mechanism includes a left third brake mechanism and a right third brake mechanism, the left end The right side of wheel 13 is provided with the third braking mechanism on the left, and the left side of the right end wheel 13-1 is provided with the third braking mechanism on the right. The line is the center of symmetry and is symmetrically arranged left and right. The third brake mechanism on the left includes a third brake mechanism support plate, and the third brake mechanism support plate includes the third brake mechanism support plate 14 on the left and the third brake mechanism support plate on the right. 15. The left third brake mechanism support plate 14 and the right third brake mechanism support plate 15 are arranged oppositely, and a brake disc 25 is arranged between the left third brake mechanism support plate 14 and the right third brake mechanism support plate 15 , the brake disc 25 is sleeved on the axle 11, the left end of the brake disc 25 is provided with a left brake pad 19, the left end of the left brake pad 19 is provided with a fourth drive mechanism, and the left end of the fourth drive mechanism is fixedly arranged on the support plate of the third left brake mechanism 14 lower end, the fourth drive mechanism includes a fourth cylinder 21 and a fourth piston rod 20, the left end of the fourth cylinder 21 is fixed on the left third brake mechanism support plate 14, and the fourth cylinder 21 is provided with a fourth piston rod 20, The right end of the fourth piston rod 20 is fixedly connected with the left brake pad 19, and the fourth cylinder 21 can also be replaced with a hydraulic cylinder; the right end of the brake disc 25 is provided with a right brake pad 18, and the right end of the right brake pad 18 is provided with a fifth driving mechanism, and the fifth The right end of the drive mechanism is fixed on the lower end of the third right brake mechanism support plate 15, the fifth drive mechanism includes a fifth cylinder 16 and a fifth piston rod 17, and the right end of the fifth cylinder 16 is fixed on the right third brake mechanism support plate 15 , the fifth cylinder 16 is provided with a fifth piston rod 17, the left end of the fifth piston rod 17 is fixedly connected with the right brake pad 18, and the fifth cylinder 16 can also be replaced by a hydraulic cylinder; a first brake mechanism is arranged above the wheel 13, The first braking mechanism includes a first driving mechanism, the upper end of the first driving mechanism is fixed on the vehicle frame 1, and the lower end of the first driving mechanism is fixedly provided with a brake hoop 24. The shape of the brake hoop 24 is arc-shaped, and the brake hoop 24 The size of the inner circle is the same as the size of the outer circle of the wheel 13. The first drive mechanism includes a first cylinder 22 and a first piston rod 23. The upper end of the first cylinder 22 is fixed on the frame, and the first cylinder 22 is provided with a first piston. Rod 23, the lower end of the first piston rod 23 is fixedly connected with the brake hoop 24, and the first cylinder 22 can also be replaced with a hydraulic cylinder; the vehicle rail 6 is arranged below the wheel 13, and the second brake mechanism is arranged in front of the wheel 13, and the second braking mechanism The moving mechanism includes the left second braking mechanism and the right The second brake mechanism, the left second brake mechanism and the right second brake mechanism have the same structure, the left second brake mechanism includes a second brake mechanism support plate, and the second brake mechanism support plate includes the left second brake mechanism Mechanism support plate 10 and the right second brake mechanism support plate 2, the left second brake mechanism support plate 10 and the right second brake mechanism support plate 2 are relatively arranged with the left and right centerlines of the rail 6 as the center of symmetry, and the left second The brake mechanism support plate 10 upper end is fixed on the vehicle frame 1, and the right part of the left second brake mechanism support plate 10 lower end is provided with a second drive mechanism, and the second drive mechanism right end is fixedly provided with the first claw 7, the second The drive mechanism includes a second cylinder 9 and a second piston rod 8, the left end of the second cylinder 9 is fixed on the left second brake mechanism support plate 10, the second cylinder 9 is provided with a second piston rod 8, the second piston rod 8 The right end is fixedly connected with the first holding claw 7, and the second cylinder 9 can also be replaced by a hydraulic cylinder; the upper end of the right second brake mechanism support plate 2 is fixed on the vehicle frame 1, and the left part of the lower end is provided with a third driving mechanism. The left end of the three driving mechanisms is provided with a second claw 5, the third driving mechanism includes a third cylinder 3 and a third piston rod 4, the right end of the third cylinder 3 is fixed on the right second brake mechanism support plate 2, the third cylinder 3 There is a third piston rod 4 inside, the left end of the third piston rod 4 is fixedly connected with the second claw 5, and the third cylinder 3 can also be replaced by a hydraulic cylinder; the first claw 7 and the second claw 5 are connected by the rail 6 The left and right centerlines are arranged relative to the center of symmetry. The shape of the first holding claw 7 and the second holding claw 5 is "concave" shape, the first holding claw 7 notch is to the right, the second holding claw 5 notch is to the left, the notch of the first holding claw 7 and the second The notches of the two claws 5 are relatively arranged with respect to the rail 6 , and the size and position of the notch openings of the first claw 7 and the second claw 5 are adapted to the size and position of the rail 6 .

When the utility model is implemented, when the gantry crane needs to be braked, the first brake mechanism and the third brake mechanism are started at the same time, the first cylinder 22 drives the first piston rod 23 to move downward, and the brake hoop 24 is locked. On the outer circumference of the wheel 13, the fourth cylinder 21 drives the fourth piston rod 20 to move to the right, the left brake pad 19 is close to the brake disc 25, the fifth cylinder 16 drives the fifth piston rod 17 to move to the left, and the right brake pad 18 is close to Brake disc 25. When the first brake mechanism or the third brake mechanism fails, start the second brake mechanism, the third cylinder 3 drives the third piston rod 4 to move to the left, and the second claw 5 at the left end of the third piston rod 4 is clamped The right end surface and the upper end surface of the rail 6, the second cylinder drives the second piston rod 8 to move to the right, and the first claw 7 at the right end of the second piston rod 8 clamps the left end surface and the upper end surface of the rail 6.

Claims (9)

1. a kind of gantry cart brake apparatus, it is characterised in that：Including vehicle frame and walking mechanism, walking mechanism setting exists Frame downward, walking mechanism include wheel supporting plate, axle, wheel and track, and the left and right ends of vehicle frame lower face are respectively provided with vehicle Support plate is taken turns, axle is set between two wheel supporting plates, the left and right ends of axle are both provided with wheel, wheel and wheel supporting There are gap between plate, wheel top is provided with the first arrestment mechanism, and the first arrestment mechanism includes the first driving mechanism, and first drives Motivation structure upper end is fixed on vehicle frame, and the first driving mechanism lower end is fixedly installed brake anchor ear, and track, vehicle is arranged below wheel Wheel front is provided with the second arrestment mechanism, and the second arrestment mechanism includes left second arrestment mechanism and right second arrestment mechanism, and left the Two arrestment mechanisms are identical with right second arrestment mechanism structure, and left second arrestment mechanism includes the second arrestment mechanism support plate, and second Arrestment mechanism support plate includes left second arrestment mechanism support plate and right second arrestment mechanism support plate, left second arrestment mechanism branch Fagging and right second arrestment mechanism support plate are oppositely arranged using track or so center line as symmetrical centre, left second arrestment mechanism branch Fagging upper end is fixed on vehicle frame, and the right part of left second arrestment mechanism support plate lower end is provided with the second driving mechanism, and second drives Motivation structure right end is fixedly installed the first holding claw, and right second arrestment mechanism support plate upper end is fixed on vehicle frame, the left part of lower end It is provided with third driving mechanism, third driving mechanism left end is provided with the second holding claw, and the first holding claw is with the second packet pawl with a track left side Right center line is oppositely arranged for symmetrical centre.

2. a kind of gantry cart brake apparatus according to claim 1, it is characterised in that：The left end wheel Third arrestment mechanism is provided between right end wheel, third arrestment mechanism includes left third arrestment mechanism and right third brake Left third arrestment mechanism is arranged in the right of structure, left end wheel, and right third arrestment mechanism, left third system is arranged in the left of right end wheel Motivation structure is identical as right third arrestment mechanism structure and as symmetrical centre and is symmetrical set using axle or so center line, and left the Three arrestment mechanisms include third arrestment mechanism support plate, third arrestment mechanism support plate include left third arrestment mechanism support plate and Right arrestment mechanism support plate, left third arrestment mechanism support plate and right arrestment mechanism support plate are oppositely arranged, left third brake It is provided with brake disc between structure support plate and right arrestment mechanism support plate, brake disc is set on axle, the setting of brake disc left end There are left brake block, left brake block left end to be provided with the 4th driving mechanism, the 4th driving mechanism left end is fixed at left third system Motivation structure support plate lower end, brake disc right end are provided with right brake block, and right brake block right end is provided with the 5th driving mechanism, and the 5th Driving mechanism right end has been fixed at right third arrestment mechanism support plate lower end.

3. a kind of gantry cart brake apparatus according to claim 1, it is characterised in that：The brake anchor ear Shape is arc-shaped, and the inner circle size for the anchor ear that brakes is identical as the outer circle size of wheel.

4. a kind of gantry cart brake apparatus according to claim 1, it is characterised in that：First holding claw Shape with the second holding claw is concave, the first holding claw recess to the right, the second holding claw recess to the left, the recess of the first holding claw Be oppositely arranged about track with the recess of the second holding claw, the recess openings of sizes of the first holding claw and the second holding claw with position and vehicle Rail size and position are adapted.

5. a kind of gantry cart brake apparatus according to claim 1, it is characterised in that：First driving Mechanism includes the first cylinder and First piston bar, and the first cylinder upper end is fixed on the rack, and the first work is provided in the first cylinder Stopper rod, First piston bar lower end are fixedly connected with brake anchor ear.

6. a kind of gantry cart brake apparatus according to claim 1, it is characterised in that：Second driving Mechanism includes the second cylinder and second piston bar, and the second cylinder left end is fixed in left second arrestment mechanism support plate, the second gas Second piston bar is provided in cylinder, second piston bar right end is fixedly connected with the first holding claw.

7. a kind of gantry cart brake apparatus according to claim 1, it is characterised in that：The third driving Mechanism includes third cylinder and third piston rod, and third cylinder right end is fixed in right second arrestment mechanism support plate, third gas Third piston rod is provided in cylinder, third piston rod left end is fixedly connected with third holding claw.

8. a kind of gantry cart brake apparatus according to claim 2, it is characterised in that：4th driving Mechanism includes the 4th cylinder and the 4th piston rod, and the 4th cylinder left end is fixed in left third arrestment mechanism support plate, the 4th gas The 4th piston rod is provided in cylinder, the 4th piston rod right end is fixedly connected with left brake block.

9. a kind of gantry cart brake apparatus according to claim 2, it is characterised in that：5th driving Mechanism includes the 5th cylinder and the 5th piston rod, and the 5th cylinder right end is fixed in right third arrestment mechanism support plate, the 5th gas The 5th piston rod is provided in cylinder, the 5th piston rod left end is fixedly connected with right brake block.