CN217972293U

CN217972293U - Manual brake of dolly

Info

Publication number: CN217972293U
Application number: CN202221169950.3U
Authority: CN
Inventors: 李响
Original assignee: Naien Jiangsu Industrial Intelligent Technology Co ltd
Current assignee: Naien Jiangsu Industrial Intelligent Technology Co ltd
Priority date: 2022-05-16
Filing date: 2022-05-16
Publication date: 2022-12-06
Anticipated expiration: 2032-05-16

Abstract

The utility model discloses a manual brake of a trolley, which is arranged on a track and comprises a shield and a rolling device, wherein the rolling device comprises a roller carrier and a plurality of rollers, the rollers are arranged at two sides of the roller carrier, the roller carrier is detachably connected at the top of the shield, and the rollers can roll on the track; a brake device, a connecting device and a pulling device are arranged in the blocking cover; the utility model discloses simple structure, if take place to damage, cost of maintenance is extremely low also easy to maintain, very big increase durability and practicality.

Description

Manual brake of dolly

Technical Field

The utility model relates to a hoisting equipment brake field, specific theory relates to a dolly manual brake ware.

Background

When hoisting equipment needs to move on the rail, the hoisting equipment moves against the trolley to drive the crane to move on the rail, so that the hoisted objects move; but after the lifted articles reach the position, the trolley needs to be stopped immediately; the existing trolley is mostly stopped by electromagnetic hydraulic braking or belt braking, and a brake block or a belt wraps a wheel by the hydraulic principle; however, if the braking mode is damaged, the maintenance cost is extremely high, and the braking mode cannot be used for a long time, so that the service life of the hoisting equipment is influenced.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above situation, the utility model provides a manual brake of trolley.

A manual brake of a trolley is arranged on a track and comprises a blocking cover and a rolling device, wherein the rolling device comprises a roller carrier and a plurality of rollers, the rollers are arranged on two sides of the roller carrier, the roller carrier is detachably connected to the top of the blocking cover, and the rollers can roll on the track; a brake device, a connecting device and a pulling device are arranged in the shield, and the brake device can be started/stopped by pulling the pulling device; the bottom of the shield is detachably connected with a pair of mounting plates, and the outer side surface of each mounting plate is detachably connected with a steering switch; the lifting device comprises a pulling plate, a pair of movable lock tongues and a pair of steering switches, the movable lock tongues are respectively arranged on two side surfaces of the pulling plate, the tops of the movable lock tongues are connected through a support rod, the bottoms of the movable lock tongues are fixedly connected with a positioning pin, a first long hole is formed in the top of the pulling plate, the steering switches are detachably connected to the outer side surface of the mounting plate, a sliding groove is formed in each steering switch, and a steering protrusion and a limiting protrusion are arranged in each sliding groove; the connecting device comprises a pair of L-shaped bending plates and a damping rod, the pulling plate is arranged between the corner ends of the two L-shaped bending plates, the first long hole is connected with the L-shaped bending plates through a pin shaft, the corner end of the other side of the two L-shaped bending plates is provided with a through hole, the damping rod comprises a pulling rod and a spring, a spring stopper is fixedly connected between the inner walls of the blocking covers, the pulling rod penetrates through the spring stopper, the spring is sleeved between the outer end of the pulling rod and the spring stopper, and the inner end of the pulling rod is arranged between the right-angled ends of the two L-shaped bending plates; brake equipment includes nylon brake block, a pair of brake connecting rod and a pair of connecting rod, and the one end at two brake connecting rods can be dismantled to the brake nylon block, and the other end of two brake connecting rods is through round pin axle and fender cover inner wall connection, and two connecting rod one end settings are in two brake connecting rods to be connected with the brake connecting rod through the round pin axle, the other end setting is in L type bending board right angle end both sides, and connecting rod, L type bending board and pull rod are through the round pin hub connection.

By the utility model discloses an optimal scheme, still can dismantle between two mounting panel inner walls and be connected with a pair of space bar, the arm-tie passes from between two space bars, and every space bar top surface and bottom surface all are equipped with guide bearing, and guide bearing can dismantle with the mounting panel and be connected, and guide bearing and arm-tie side are tangent.

By the utility model discloses a preferred scheme, the width of arm-tie is the same with the interval of two space shields.

By the utility model discloses a preferred scheme, the diameter of pull rod outer end and the width of spring stopper all are greater than the diameter of spring.

By the utility model discloses a preferred scheme, keep off the cover and locate to open at the removal spring bolt and have the second slot hole, the tip of bracing piece surpasss the outer terminal surface of fender cover.

By the utility model discloses a preferred scheme, when connecting rod both ends were located a straight line with the through-hole, nylon brake block extruded track.

By the utility model discloses an optimal scheme, keep off cover and gyro wheel frame and open at nylon brake block department and have the notch, the nylon brake block is located the notch.

The utility model has the advantages that: the utility model has simple structure, the nylon brake block is controlled to extrude the track by pulling the pulling plate to play a braking effect, and then the pulling plate is pulled, the nylon brake block is separated from the track, and the trolley rotates again; and if the damage happens, the maintenance cost is extremely low and the maintenance is easy, so that the durability and the practicability are greatly improved.

Drawings

The invention will be described by way of example and with reference to the accompanying drawings, in which:

fig. 1 is a schematic structural diagram of the present invention:

FIG. 2 is an internal structure view of the present invention;

fig. 3 is an internal schematic view of the diverter switch.

Wherein: the device comprises a spring 1, a damping rod 2, a movable bolt 3, a mounting plate 4, a pulling plate 5, a steering switch 6, a support rod 7, a baffle cover 8, a second long hole 9, a track 10, a roller 11, a nylon brake pad 12, a spring stopper 13, a connecting rod 14, a brake connecting rod 15, a first long hole 16, a guide bearing 17, a positioning pin 18, a through hole 19, an L-shaped bending plate 20, a sliding groove 21, a limiting bulge 22 and a steering bulge 23.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. The figures are simplified schematic diagrams illustrating the basic structure of the invention in a schematic way only, and therefore they show only the components relevant to the invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, the two components can be communicated with each other inside, the fixed connection can be welding, gluing and the like, and for those skilled in the art, the specific meaning of the terms in the present invention can be understood according to specific situations.

The manual brake of the trolley shown in fig. 1 is arranged on a track 10 and comprises a blocking cover 8 and a rolling device, wherein the rolling device comprises a roller 11 frame and a plurality of rollers 11, the rollers 11 are arranged on two sides of the roller 11 frame, the roller 11 frame is detachably connected to the top of the blocking cover 8, and the rollers 11 can roll on the track 10; the hoisting equipment can effectively reduce the maintenance cost and improve the durability and stability of the whole use by arranging the trolley manual brake, and the operation is simple.

As shown in fig. 2 and 3, a brake device, a connecting device and a pulling device are arranged inside the shield 8; the bottom of the shield cover 8 is detachably connected with a pair of mounting plates 4, and the outer side surface of each mounting plate 4 is detachably connected with a steering switch 6; the brake effect can be realized through the mechanical cooperation of the pulling device, the connecting device and the brake device, the principle is simple, and the operation is convenient.

The pulling-up device comprises a pulling plate 5, a pair of movable lock tongues 3 and a pair of steering switches 6, the movable lock tongues 3 are respectively arranged on two side surfaces of the pulling plate 5, the tops of the movable lock tongues are connected through a support rod 7, the bottoms of the movable lock tongues are fixedly connected with a positioning pin 18, the top of the pulling plate 5 is provided with a first long hole 16, the steering switches 6 are detachably connected on the outer side surface of the mounting plate 4, a sliding groove 21 is formed in the steering switches 6, and a steering protrusion 23 and a limiting protrusion 22 are arranged in the sliding groove 21; pulling the pulling plate 5 to move the positioning pin 18 on the bolt 3 to the bottom of the sliding groove 21, then loosening the pulling plate 5, blocking the positioning pin 18 by the limiting protrusion 22, normally running the roller 11, pulling the pulling plate 5 again to move the positioning pin 18 to the bottom of the sliding groove 21, then loosening the pulling plate 5, and then moving the positioning pin 18 upwards through the matching of the steering protrusion 23 and the limiting protrusion 22 to drive the brake device to work.

The connecting device comprises a pair of L-shaped bent plates 20 and a damping rod 2, a pulling plate 5 is arranged between the corner ends of the two L-shaped bent plates 20, a first long hole 16 is connected with the L-shaped bent plates 20 through a pin shaft, the other corner end of the two L-shaped bent plates 20 is provided with a through hole 19, the damping rod 2 comprises a pulling rod and a spring 1, a spring stopper 13 is fixedly connected between the inner walls of the blocking cover 8, the pulling rod penetrates through the spring stopper 13, the spring 1 is sleeved between the outer end of the pulling rod and the spring stopper 13, and the inner end of the pulling rod is arranged between the right-angled ends of the two L-shaped bent plates 20; when the pulling plate 5 moves, the pulling plate 5 drives the L-shaped bending plate 20 to move, when the pulling plate 5 is pulled downwards, the spring 1 generates and stores elastic potential energy, and when the positioning pin 18 turns through the turning bulge 23, the elastic potential energy is released to pull the pulling plate 5 to ascend, so that the initial position of the pulling plate 5 is restored, and the brake device works.

The brake device comprises a nylon brake block 12, a pair of brake connecting rods 15 and a pair of connecting rods 14, the brake nylon block is detachably connected to one ends of the two brake connecting rods 15, the other ends of the two brake connecting rods 15 are connected with the inner wall of the baffle cover 8 through pin shafts, one ends of the two connecting rods 14 are arranged in the two brake connecting rods 15 and are connected with the brake connecting rods 15 through pin shafts, the other ends of the two connecting rods 14 are arranged on two sides of the right-angle end of the L-shaped bending plate 20, and the connecting rods 14, the L-shaped bending plate 20 and the pull rod are connected through pin shafts; when the spring 1 releases elastic potential energy, the connecting rod 14 drives the brake connecting rod 15 to move upwards, and then the nylon brake block 12 can be in contact with the track 10, and a braking effect is achieved through friction.

A pair of spacing plates can be detachably connected between the inner walls of the two mounting plates 4, the pulling plate 5 penetrates through the two spacing plates, the top surface and the bottom surface of each spacing plate are respectively provided with a guide bearing 17, the guide bearings 17 are detachably connected with the mounting plates 4, the guide bearings 17 are tangent with the side edges of the pulling plate 5, and meanwhile, the width of the pulling plate 5 is the same as the distance between the two spacing plates; and then can carry out spacing and be convenient for pulling and resilience arm-tie 5 to arm-tie 5 moving direction.

The diameter of the outer end of the pull rod and the width of the spring stopper 13 are both larger than the diameter of the spring 1; therefore, the spring 1 can store elastic potential energy when the pull rod is pulled, so that the connecting device can work normally.

A second long hole 9 is formed in the position, where the movable bolt 3 is located, of the blocking cover 8, and the end of the supporting rod 7 exceeds the outer end face of the blocking cover 8; also so can carry on spacingly to the removal of arm-tie 5, prevent that arm-tie 5 from pulling down, lead to elastic potential energy can't kick-back 5 arm-tie, cause the unable normal work of brake equipment.

When the two ends of the connecting rod 14 and the through hole 19 are positioned on a straight line, the nylon brake block 12 extrudes the track 10; because the supporting height of the connecting device reaches the maximum when the connecting device is positioned on the same straight line, the nylon brake block 12 can be better contacted with the track 10, and a better braking effect is achieved.

Keep off

cover

8 and 11 framves in nylon brake block 12 department and open there is the notch, and nylon brake block 12 is located the notch, and then can realize brake equipment's normal work, makes nylon brake block 12 can have the space to extrude the friction or break away from the extrusion.

In light of the above, the present invention is not limited to the above embodiments, and various changes and modifications can be made by the worker without departing from the scope of the present invention. The technical scope of the present invention is not limited to the content of the description, and must be determined according to the scope of the claims.

Claims

1. A manual brake of a trolley is arranged on a track (10) and comprises a blocking cover (8) and a rolling device, wherein the rolling device comprises a roller (11) frame and a plurality of rollers (11), the rollers (11) are arranged on two sides of the roller (11) frame, the roller (11) frame is detachably connected to the top of the blocking cover (8), and the rollers (11) can roll on the track (10); the method is characterized in that: a brake device, a connecting device and a pulling device are arranged in the shield cover (8), and the brake device can be started/stopped by pulling the pulling device; the bottom of the blocking cover (8) is detachably connected with a pair of mounting plates (4), and the outer side surface of each mounting plate (4) is detachably connected with a steering switch (6); the pulling-up device comprises a pulling plate (5), a pair of movable bolt (3) and a pair of steering switch (6), the movable bolt (3) is respectively arranged on two side faces of the pulling plate (5), the top of the movable bolt is connected with the supporting rod (7) through the supporting rod, a positioning pin (18) is fixedly connected to the bottom of the movable bolt, a first long hole (16) is formed in the top of the pulling plate (5), the steering switch (6) can be detachably connected to the outer side face of the mounting plate (4), a sliding groove (21) is formed in the steering switch (6), and a steering protrusion (23) and a limiting protrusion (22) are arranged in the sliding groove (21).

2. The manual brake for small vehicles as claimed in claim 1, wherein: the connecting device comprises a pair of L-shaped bending plates (20) and a damping rod (2), the pulling plate (5) is arranged between corner ends of the two L-shaped bending plates (20), the first long hole (16) is connected with the L-shaped bending plates (20) through a pin shaft, the other side corner ends of the two L-shaped bending plates (20) are provided with through holes (19), the damping rod (2) comprises a pulling rod and a spring (1), a spring stopper (13) is fixedly connected between the inner walls of the blocking cover (8), the pulling rod penetrates through the spring stopper (13), the spring (1) is sleeved between the outer end of the pulling rod and the spring stopper (13), and the inner end of the pulling rod is arranged between the right-angle ends of the two L-shaped bending plates (20); brake equipment includes nylon brake block (12), a pair of brake connecting rod (15) and a pair of connecting rod (14), the one end at two brake connecting rod (15) can be dismantled to the brake nylon block, the other end of two brake connecting rod (15) is through round pin axle and fender cover (8) inner wall connection, two connecting rod (14) one end sets up in two brake connecting rod (15), and be connected through round pin axle and brake connecting rod (15), the other end sets up and bends board (20) right angle end both sides at the L type, connecting rod (14), the L type is bent board (20) and pull rod and is passed through the round pin hub connection.

3. The manual brake for vehicles as claimed in claim 2, wherein: still can dismantle between two mounting panel (4) inner walls and be connected with a pair of space bar, arm-tie (5) pass between two space bars, and every space bar top surface and bottom surface all are equipped with guiding bearing (17), and guiding bearing (17) can be dismantled with mounting panel (4) and be connected, and guiding bearing (17) and arm-tie (5) side tangent.

4. The manual brake for cars of claim 3, characterized in that: the width of the pulling plate (5) is the same as the distance between the two spacing plates.

5. The manual brake for small vehicles as claimed in claim 2, wherein: the diameter of the outer end of the pull rod and the width of the spring stopper (13) are both larger than the diameter of the spring (1).

6. The manual brake for small vehicles as claimed in claim 1, wherein: the position of the movable bolt (3) of the blocking cover (8) is provided with a second long hole (9), and the end part of the support rod (7) exceeds the outer end face of the blocking cover (8).

7. The manual brake for vehicles as claimed in claim 2, wherein: when the two ends of the connecting rod (14) and the through hole (19) are positioned on the same line, the nylon brake block (12) extrudes the track (10).

8. The manual brake for vehicles as claimed in claim 2, wherein: the blocking cover (8) and the roller (11) are erected on the nylon brake block (12) and are provided with notches, and the nylon brake block (12) is located in the notches.