CN212269261U

CN212269261U - High-safety bridge crane with anti-collision mechanism

Info

Publication number: CN212269261U
Application number: CN202020627597.3U
Authority: CN
Inventors: 李兴才; 张银冬; 姜宴斌
Original assignee: Jiangsu Gretel Heavy Industry Technology Development Co ltd
Current assignee: Jiangsu Gretel Heavy Industry Technology Development Co ltd
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2021-01-01
Anticipated expiration: 2030-04-23

Abstract

The utility model discloses a high safe bridge crane with anticollision institution, including the bridge crane main part, the bridge crane main part is including trolley and crane span structure, the trolley bottom is connected with the lifting hook through the cable wire transmission. The utility model discloses in, combine the heavy object with the lifting hook, trolley drives the in-process that the heavy object removed corresponding region through cable wire and lifting hook, when the cable wire takes place to swing under the inertial effect of heavy object, the cable wire slides relatively with the sliding sleeve of outer table wall, and promote sliding sleeve extrusion spring, the elastic potential energy of spring self reduces the slip range of cable wire when passing through the sliding sleeve and carrying out the buffering to the cable wire, and the cooperation setting through cylinder and fixing base, make support cover and sliding sleeve still can carry out the position change according to the difference of heavy object hoisting height, with this anticollision function that realizes bridge crane, thereby the stability that bridge crane used has been improved.

Description

High-safety bridge crane with anti-collision mechanism

Technical Field

The utility model relates to a bridge crane technical field especially relates to a high safe bridge crane with anticollision institution.

Background

The bridge crane is a hoisting device which is transversely arranged above workshops, warehouses and stockyards to hoist materials. Since its two ends are seated on a tall concrete column or a metal bracket, it is shaped like a bridge. The bridge frame of the bridge crane runs longitudinally along the rails laid on the elevated frames at two sides, so that the space below the bridge frame can be fully utilized to hoist materials without being hindered by ground equipment. The lifting machine has the widest application range and the largest quantity.

At present, the existing bridge crane still has some defects, firstly, as the bridge crane uses the steel cable to connect with the lifting hook, and the transfer of the heavy object is realized through the lifting hook, when the heavy object moves to the designated position and the equipment is started and stopped, the heavy object can drive the steel cable to shake under the action of inertia, and the heavy object is easy to collide with external objects in the shaking process, so that the damage of the objects and even the damage of personnel are caused, and the use stability of the bridge crane is reduced; secondly, current bridge crane lacks cable wire straining device, and after equipment used for a long time, the cable wire takes place to become flexible easily and leads to not closely combining with the lifting hook mechanism, and then influences the normal operating of equipment to bridge crane's result of use has been reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems, a high-safety bridge crane with an anti-collision mechanism is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a high safe bridge crane with anticollision institution, includes the bridge crane main part, the bridge crane main part is including trolley and crane span structure, the trolley bottom is connected with the lifting hook through the cable wire transmission, cable wire outside symmetry is provided with two sets of supports cover, and is two sets of it all has the slip cap through spring elastic connection to support the interior table wall of cover, the trolley bottom is fixed with the cylinder, cylinder output end fixedly connected with fixing base, just the fixing base overlaps fixed connection with two sets of supports respectively.

As a further description of the above technical solution:

the outer surface wall of the two groups of supporting sleeves is fixedly provided with a connecting plate, the bottom of the fixing seat is connected with a positioning screw rod in a screwing mode through threads, and the positioning screw rod is connected with the connecting plate in a screwing mode through a threaded hole.

As a further description of the above technical solution:

and a telescopic connecting rod is fixedly arranged between the two groups of support sleeves.

As a further description of the above technical solution:

the springs are provided with a plurality of groups, and the plurality of groups of springs are distributed annularly.

As a further description of the above technical solution:

the inner surface wall of the sliding sleeve is connected with the steel cable in a sliding way.

As a further description of the above technical solution:

the outer surface wall of the connecting plate is connected with the inner surface wall of the fixed seat in a sliding manner.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, combine the heavy object with the lifting hook, trolley drives the in-process that the heavy object removed corresponding region through cable wire and lifting hook, when the cable wire takes place to swing under the inertial effect of heavy object, the cable wire slides relatively with the sliding sleeve of outer table wall, and promote sliding sleeve extrusion spring, the elastic potential energy of spring self reduces the slip range of cable wire when passing through the sliding sleeve and carrying out the buffering to the cable wire, and the cooperation setting through cylinder and fixing base, make support cover and sliding sleeve still can carry out the position change according to the difference of heavy object hoisting height, with this anticollision function that realizes bridge crane, thereby the stability that bridge crane used has been improved.

2. The utility model discloses in, the positioning screw on two sets of fixing bases is revolved respectively and is separated, through two sets of support cover relative movement of connecting plate pulling, at the positioning screw of screwing for different screw holes close soon on positioning screw and the connecting plate, support the sliding sleeve of cover inner chamber this moment and still can carry out the tensioning of cable wire with the gliding while of cable wire, thereby improved bridge crane's result of use.

Drawings

Fig. 1 shows a schematic structural diagram provided according to an embodiment of the present invention;

fig. 2 shows a schematic structural diagram of a location a provided according to an embodiment of the present invention;

fig. 3 shows an enlarged schematic structural view of a support sleeve provided according to an embodiment of the present invention.

Illustration of the drawings:

1. a bridge crane body; 101. a trolley; 102. a bridge frame; 2. a cylinder; 3. a steel cord; 4. a hook; 5. a telescopic connecting rod; 6. a fixed seat; 7. a connecting plate; 8. a threaded hole; 9. positioning a screw rod; 10. a support sleeve; 11. a spring; 12. a sliding sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a high safe bridge crane with anticollision institution, including bridge crane main part 1, bridge crane main part 1 is including trolley 101 and crane span structure 102, trolley 101 bottom is connected with lifting hook 4 through 3 transmissions of cable wire, 3 outside symmetries of cable wire are provided with two sets of support covers 10, the table wall all has sliding sleeve 12 through 11 elastic connection of spring in two sets of support covers 10, trolley 101 bottom is fixed with

cylinder

2, 2 output fixedly connected with fixing base 6 of cylinder, and fixing base 6 respectively with two sets of support cover 10 fixed connection.

Specifically, as shown in fig. 2, the equal fixed mounting of two sets of outer table walls of support cover 10 has connecting

plate

7, 6 bottoms of fixing base close soon through the screw thread and connect positioning screw 9, and positioning screw 9 closes soon through screw hole 8 and connecting plate 7 and is connected, through connecting plate 7 pulling two sets of support cover 10 relative movement, at the positioning screw 9 of screwing, make positioning screw 9 close soon with the screw hole 8 of different positions on the connecting plate 7, the sliding sleeve 12 that supports the cover 10 inner chamber this moment still can carry out the tensioning of cable wire 3 with cable wire 3 is gliding simultaneously, thereby bridge crane's result of use has been improved.

Specifically, as shown in fig. 1, the telescopic connecting rod 5 is fixedly installed between the two sets of support sleeves 10, so that the position stability of the two sets of support sleeves 10 is ensured.

Specifically, as shown in fig. 3, a plurality of sets of springs 11 are provided, and the plurality of sets of springs 11 are distributed annularly, so as to be suitable for the swaying of the steel cable 3 in different directions.

Specifically, as shown in fig. 3, the inner surface wall of the sliding sleeve 12 is slidably connected to the steel cable 3, so as to ensure the matching effect of the steel cable 3 of the sliding sleeve 12.

Specifically, as shown in fig. 2, the outer surface wall of the connecting plate 7 is slidably connected with the inner surface wall of the fixing seat 6, so that the sliding stability of the connecting plate 7 and the fixing seat 6 is ensured.

The working principle is as follows: when the anti-collision bridge crane is used, a heavy object is combined with the lifting hook 4, the crane trolley 101 drives the heavy object to move to a corresponding area through the steel cable 3 and the lifting hook 4, when the steel cable 3 swings under the action of inertia of the heavy object, the steel cable 3 slides relative to the sliding sleeve 12 on the outer surface wall, the sliding sleeve 12 is pushed to extrude the spring 11, the elastic potential energy of the spring 11 buffers the steel cable 3 through the sliding sleeve 12, the sliding amplitude of the steel cable 3 is reduced, and the position of the support sleeve 10 and the position of the sliding sleeve 12 can be changed according to different lifting heights of the heavy object through the matching arrangement of the air cylinder 2 and the fixed seat 6, so that the anti-collision function of the bridge crane is realized, the use stability of the bridge crane is improved, the positioning screw rods 9 on the two groups of fixed seats 6 are respectively rotated away, the two groups of support sleeves 10 are pulled to move, the positioning screw 9 is screwed with the threaded holes 8 at different positions on the connecting plate 7, and the sliding sleeve 12 in the inner cavity of the supporting sleeve 10 can still slide with the steel cable 3 and tension the steel cable 3 at the same time, so that the using effect of the bridge crane is improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a high safe bridge crane with anticollision institution, includes bridge crane main part (1), its characterized in that, bridge crane main part (1) is including trolley (101) and crane span structure (102), trolley (101) bottom is connected with lifting hook (4) through cable wire (3) transmission, cable wire (3) outside symmetry is provided with two sets of support cover (10), and is two sets of support cover (10) interior table wall all has sliding sleeve (12) through spring (11) elastic connection, trolley (101) bottom is fixed with cylinder (2), cylinder (2) output end fixedly connected with fixing base (6), just fixing base (6) support cover (10) fixed connection with two sets of respectively.

2. The high-safety bridge crane with the anti-collision mechanism is characterized in that the outer surface walls of the two groups of support sleeves (10) are fixedly provided with connecting plates (7), the bottom of the fixed seat (6) is connected with a positioning screw rod (9) in a screwing mode through threads, and the positioning screw rod (9) is connected with the connecting plates (7) in a screwing mode through a threaded hole (8).

3. A high safety bridge crane with collision avoidance mechanism as claimed in claim 1 wherein a telescopic link (5) is fixedly mounted between two sets of said support sleeves (10).

4. High safety bridge crane with collision avoidance mechanism according to claim 1, characterized in that the springs (11) are provided in groups, and the groups of springs (11) are distributed annularly.

5. A high safety bridge crane with collision avoidance mechanism according to claim 1, wherein the inner surface wall of said sliding sleeve (12) is slidably connected to the wire rope (3).

6. A high safety bridge crane with collision avoidance mechanism according to claim 2, wherein the outer surface wall of the connection plate (7) is slidably connected to the inner surface wall of the fixed seat (6).