CN215101540U

CN215101540U - Derailing prevention device of bridge crane

Info

Publication number: CN215101540U
Application number: CN202120467530.2U
Authority: CN
Inventors: 张波; 李文生; 张继朋
Original assignee: Shandong Luxin Lifting Equipment Co ltd
Current assignee: Shandong Luxin Lifting Equipment Co ltd
Priority date: 2021-03-04
Filing date: 2021-03-04
Publication date: 2021-12-10
Anticipated expiration: 2031-03-04

Abstract

The utility model discloses an anti-derailment device of a bridge crane, which comprises a supporting frame, wherein both sides of the bottom of the supporting frame are fixedly connected with a main bearing frame, two sides of the bottom of the main bearing frame are fixedly connected with mounting plates, two groups of mounting plates are rotatably connected with two rotating shafts, the outer walls of a plurality of rotating shafts are fixedly connected with a main bearing wheel, and both sides of the bottom of the two main bearing frames are provided with a plurality of threaded holes; the first auxiliary wheel carrier of difference fixed connection and second auxiliary wheel carrier are equallyd divide to support frame bottom both sides, and are two sets of the inboard bottom of first auxiliary wheel carrier and second auxiliary wheel carrier is equallyd divide and is rotated respectively and be connected with the first auxiliary pulley of multiunit and second auxiliary pulley. The utility model discloses in, this kind of bridge crane's anticreep rail device not only design has main bearing mechanism, and it has supplementary supporting mechanism still to design, both can play stable supporting role, also can play the anticreep rail purpose from a plurality of directions simultaneously to make its work efficiency improve greatly.

Description

Derailing prevention device of bridge crane

Technical Field

The utility model relates to a bridge crane technical field especially relates to a bridge crane's anticreep rail device.

Background

The bridge crane is a hoisting device which is transversely erected above workshops, warehouses and material yards for hoisting materials, and because the two ends of the bridge crane are located on high cement columns or metal supports and are shaped like a bridge, the bridge frame of the bridge crane longitudinally runs along rails laid on the elevated frames on the two sides, the space below the bridge frame can be fully utilized for hoisting the materials and is not hindered by ground equipment. The lifting machine has the widest application range and the largest quantity; a bridge crane, also called crown block, runs on an elevated track. The bridge frame of the bridge crane runs longitudinally along the rails laid on the elevated frames at the two sides, and the trolley runs transversely along the rails laid on the bridge frame to form a rectangular working range, so that the space below the bridge frame can be fully utilized to hoist materials without being hindered by ground equipment; such cranes are widely used in indoor and outdoor warehouses, factories, docks, open storage yards, and the like; the bridge crane consists of a main beam and an end beam and is divided into a single-main-beam bridge and a double-beam bridge. The single-girder bridge consists of a single girder and end girders positioned on two sides of the span, and the double-girder bridge consists of two girders and end girders; the main beam is rigidly connected with the end beam, wheels are arranged at two ends of the end beam and used for supporting the bridge to run on the elevated frame, and a track is welded on the main beam and used for the trolley to run.

The bridge crane is a large-scale hoisting device, but the structural design of the existing device has certain defects at present, and the condition that the trolley derails is easily caused due to the fact that the weight of hoisted goods is heavy in the moving process of the trolley on the existing bridge crane, so that great potential safety hazards exist, certain economic loss is easily caused, and therefore a novel derailing prevention device of the bridge crane is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects in the prior art and providing an anti-derailing device of a bridge crane.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the anti-derailing device of the bridge crane comprises a support frame, wherein main bearing frames are fixedly connected to two sides of the bottom of the support frame, mounting plates are fixedly connected to two sides of the bottom of the two main bearing frames, two rotating shafts are rotatably connected between the two groups of mounting plates, main bearing wheels are fixedly connected to the outer walls of the rotating shafts, and a plurality of threaded holes are formed in two sides of the bottom of the two main bearing frames;

the two sides of the bottom of the supporting frame are respectively fixedly connected with a first auxiliary wheel frame and a second auxiliary wheel frame, the bottoms of the inner sides of the two groups of first auxiliary wheel frames and the second auxiliary wheel frames are respectively and rotatably connected with a plurality of groups of first auxiliary pulleys and second auxiliary pulleys, the centers of the plurality of groups of first auxiliary pulleys and second auxiliary pulleys are respectively and rotatably connected with a fixed shaft, one ends of the plurality of fixed shafts, far away from the first auxiliary pulleys and the second auxiliary pulleys, are respectively and fixedly connected with the corresponding first auxiliary wheel frames and second auxiliary wheel frames, and the two groups of main bearing frames, the first auxiliary wheel frames and the second auxiliary wheel frames are respectively and fixedly connected with the supporting frame through a plurality of first fixing bolts;

the two ends of the supporting frame are fixedly connected with straight fixing plates corresponding to the first auxiliary wheel frame, the top of the outer wall of the second auxiliary wheel frame is fixedly connected with a triangular fixing plate corresponding to the supporting frame, and the straight fixing plates and the triangular fixing plates are fixedly connected with the supporting frame through a plurality of second fixing bolts.

As a further description of the above technical solution:

and the mounting plates and the two main bearing frames are of an integrated structure.

As a further description of the above technical solution:

two mounting holes corresponding to the rotating shaft are formed in the inner walls of the mounting plates.

As a further description of the above technical solution:

a plurality of main bearing wheels are all arranged in a ladder-shaped structure.

As a further description of the above technical solution:

and the first auxiliary wheel carrier and the second auxiliary wheel carrier are arranged in an L-shaped structure.

As a further description of the above technical solution:

and the two groups of first auxiliary wheel frames and second auxiliary wheel frames are arranged at the bottom of the supporting frame in a symmetrical structure.

The utility model discloses following beneficial effect has: 1. the utility model provides a pair of bridge crane's anticreep rail device compares with traditional device, the device simple structure, convenient and practical, through the simple installation fixed knot structure of design, both made things convenient for fast assembly fixed, also made things convenient for the dismantlement of spare part to change simultaneously.

2. Compared with the traditional device, the device has great innovation and improvement in structure and design, the derailment prevention device of the bridge crane is not only designed with the main bearing mechanism, but also designed with the auxiliary supporting mechanism, so that the stable supporting effect can be achieved, and the derailment prevention purpose can be achieved from multiple directions, so that the working efficiency is greatly improved.

Drawings

Fig. 1 is a front view structural diagram of an anti-derailing device of a bridge crane according to the present invention;

fig. 2 is a bottom view structural diagram of a main bearing frame of an anti-derailing device of a bridge crane according to the present invention;

fig. 3 is the utility model provides a side view structure of the first auxiliary wheel carrier of derailment-preventing device of bridge crane.

Illustration of the drawings:

1. a support frame; 2. a main load bearing frame; 3. mounting a plate; 4. a rotating shaft; 5. a main load-bearing wheel; 6. a threaded hole; 7. a first auxiliary wheel carrier; 8. a second auxiliary wheel carrier; 9. a first auxiliary sheave; 10. a second auxiliary sheave; 11. a fixed shaft; 12. a first fixing bolt; 13. a straight fixing plate; 14. a triangular fixing plate; 15. and a second fixing bolt.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: an anti-derailing device of a bridge crane comprises a support frame 1, wherein main bearing frames 2 are fixedly connected to two sides of the bottom of the support frame 1, mounting plates 3 are fixedly connected to two sides of the bottoms of the two main bearing frames 2, two rotating shafts 4 are rotatably connected between the two groups of mounting plates 3, main bearing wheels 5 are fixedly connected to the outer walls of the rotating shafts 4, and a plurality of threaded holes 6 are formed in two sides of the bottoms of the two main bearing frames 2;

the two sides of the bottom of the supporting frame 1 are respectively fixedly connected with a first auxiliary wheel frame 7 and a second auxiliary wheel frame 8, the bottoms of the inner sides of the two groups of first auxiliary wheel frames 7 and the second auxiliary wheel frames 8 are respectively and rotatably connected with a plurality of groups of first auxiliary pulleys 9 and second auxiliary pulleys 10, the centers of the plurality of groups of first auxiliary pulleys 9 and second auxiliary pulleys 10 are respectively and rotatably connected with a fixed shaft 11, one ends of the plurality of fixed shafts 11, far away from the first auxiliary pulleys 9 and the second auxiliary pulleys 10, are respectively and fixedly connected with the corresponding first auxiliary wheel frames 7 and second auxiliary wheel frames 8, and the two groups of main bearing frames 2, the first auxiliary wheel frames 7 and the second auxiliary wheel frames 8 are respectively and fixedly connected with the supporting frame 1 through a plurality of first fixing bolts 12;

the two ends of the supporting frame 1 are fixedly connected with straight fixing plates 13 corresponding to the first auxiliary wheel carrier 7, the tops of the outer walls of the two second auxiliary wheel carriers 8 are fixedly connected with triangular fixing plates 14 corresponding to the supporting frame 1, and the two groups of straight fixing plates 13 and the triangular fixing plates 14 are fixedly connected with the supporting frame 1 through a plurality of second fixing bolts 15.

Two sets of mounting panels 3 and two main bearing frame 2 are the integral type structure, and the mounting panel 3 and the main bearing frame 2 of integral type structure are firm in structure not only, can not take place to damage easily moreover.

Two mounting holes corresponding to the rotating shaft 4 are formed in the inner walls of the mounting plates 3, and the rotating shaft 4 can be well positioned and limited.

A plurality of main bearing wheels 5 all are the setting of echelonment structure, and a plurality of main bearing wheels 5 that are the setting of echelonment structure both can play the positioning action, also can play fine supporting role simultaneously.

Two sets of first auxiliary wheel carrier 7 and second auxiliary wheel carrier 8 all are the setting of L type structure, and first auxiliary wheel carrier 7 and second auxiliary wheel carrier 8 that are the setting of L type structure both made things convenient for the installation of the first auxiliary pulley 9 of multiunit and second auxiliary pulley 10, also conveniently dismantle the change fast simultaneously.

Two sets of first auxiliary wheel carrier 7 and the setting of second auxiliary wheel carrier 8 are symmetrical structure in the bottom of support frame 1, and two sets of first auxiliary wheel carrier 7 and the setting of second auxiliary wheel carrier 8 that are symmetrical structure in the bottom of support frame 1 can play the auxiliary stay effect to two main bearing wheels 5, can play fine anticreep rail effect when the cooperation removes the slide rail simultaneously.

The working principle is as follows: the utility model provides a pair of bridge crane's anticreep rail device has great improvement innovation with traditional device, this kind of bridge crane's anticreep rail device, 1 bottom both sides of support frame equal fixedly connected with main bearing frame 2, the equal fixedly connected with mounting panel 3 in both sides of 2 bottoms of two main bearing frames, all rotate between two sets of mounting panels 3 and be connected with two axis of rotation 4, the equal fixedly connected with main bearing wheel 5 of the outer wall of a plurality of axis of rotation 4, a plurality of main bearing wheels 5 that are echelonment structure setting both can play the positioning action, also can play fine supporting role simultaneously, 1 bottom both sides of support frame are equallyd divide first auxiliary wheel carrier 7 of other fixed connection and second auxiliary wheel carrier 8, the inboard bottom of two sets of first auxiliary wheel carriers 7 and second auxiliary wheel carrier is equallyd divide and is do not rotated and is connected with the first auxiliary pulley 9 of multiunit and second auxiliary pulley 10, the first auxiliary wheel carrier 7 and the second auxiliary wheel carrier 8 that are L type structure setting both made things convenient for the first auxiliary pulley 9 of multiunit and the second auxiliary wheel carrier 8 of multiunit The installation of second auxiliary pulley 10 also conveniently dismantles the change fast simultaneously, is two sets of first auxiliary wheel carrier 7 and the supplementary wheel carrier 8 of second that symmetrical structure set up in the bottom of support frame 1 and can play the auxiliary stay effect to two main bearing wheels 5, can play fine anticreep rail effect simultaneously when the cooperation removes the slide rail.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a bridge crane's anticreep rail device, includes support frame (1), its characterized in that: the two sides of the bottom of the support frame (1) are fixedly connected with main bearing frames (2), the two sides of the bottoms of the two main bearing frames (2) are fixedly connected with mounting plates (3), two groups of mounting plates (3) are rotatably connected with two rotating shafts (4), the outer walls of the rotating shafts (4) are fixedly connected with main bearing wheels (5), and the two sides of the bottom of the two main bearing frames (2) are provided with a plurality of threaded holes (6);

the supporting frame (1) is characterized in that two sides of the bottom of the supporting frame (1) are respectively and fixedly connected with a first auxiliary wheel frame (7) and a second auxiliary wheel frame (8), the bottoms of the inner sides of the first auxiliary wheel frame (7) and the second auxiliary wheel frame (8) are respectively and rotatably connected with a plurality of groups of first auxiliary pulleys (9) and second auxiliary pulleys (10), the centers of the first auxiliary pulleys (9) and the second auxiliary pulleys (10) are respectively and rotatably connected with a fixing shaft (11), one ends of the fixing shafts (11), far away from the first auxiliary pulleys (9) and the second auxiliary pulleys (10), are respectively and fixedly connected with the corresponding first auxiliary wheel frame (7) and the second auxiliary wheel frame (8), the two groups of main bearing frames (2), the first auxiliary wheel frame (7) and the second auxiliary wheel frame (8) are fixedly connected with the supporting frame (1) through a plurality of first fixing bolts (12);

the two ends of the supporting frame (1) are fixedly connected with straight fixing plates (13) corresponding to the first auxiliary wheel carrier (7), two triangular fixing plates (14) corresponding to the supporting frame (1) are fixedly connected to the top of the outer wall of the second auxiliary wheel carrier (8), and the straight fixing plates (13) and the triangular fixing plates (14) are fixedly connected with the supporting frame (1) through a plurality of second fixing bolts (15).

2. The derailment prevention device for a bridge crane according to claim 1, wherein: and the two sets of mounting plates (3) and the two main bearing frames (2) are of an integrated structure.

3. The derailment prevention device for a bridge crane according to claim 1, wherein: the inner walls of the mounting plates (3) are provided with two mounting holes corresponding to the rotating shaft (4).

4. The derailment prevention device for a bridge crane according to claim 1, wherein: the main bearing wheels (5) are all arranged in a step-shaped structure.

5. The derailment prevention device for a bridge crane according to claim 1, wherein: the two groups of first auxiliary wheel frames (7) and second auxiliary wheel frames (8) are arranged in an L-shaped structure.

6. The derailment prevention device for a bridge crane according to claim 1, wherein: the two groups of the first auxiliary wheel frames (7) and the second auxiliary wheel frames (8) are arranged at the bottom of the supporting frame (1) in a symmetrical structure.