CN219078892U

CN219078892U - Crown block derailment preventing device

Info

Publication number: CN219078892U
Application number: CN202222532732.8U
Authority: CN
Inventors: 易帆
Original assignee: Yangchun New Iron and Steel Co Ltd
Current assignee: Yangchun New Iron and Steel Co Ltd
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2023-05-26
Anticipated expiration: 2032-09-26

Abstract

The utility model provides an anti-derailment device of a crown block, which relates to the technical field of crown blocks and comprises a base, a mounting plate and a limit wheel arranged below the base, wherein the mounting plate is vertically assembled on one side of the base; according to the crown block derailment preventing device, the stability of the trolley in running on a track is effectively guaranteed through the cooperation of the limiting wheels and the pulleys, and the phenomena of rail gnawing and derailment are effectively avoided.

Description

Crown block derailment preventing device

Technical Field

The utility model relates to the technical field of crown blocks, in particular to an anti-derailment device of a crown block.

Background

The bridge girder erection machine is generally used for engineering such as overhead highways, bridge erection and the like, a crane crown block can meet the requirement of seamless butt joint of pavement sections, and the crane crown blocks all adopt track type longitudinal movement;

along with the extension of the service time, various factors cause the rail to gradually form an S shape or an eight shape, and the phenomena of extrusion (rail gnawing), track separation, running and the like can occur between the wheels and the rail, so that the running risk of the crane crown block is multiplied, and therefore, the utility model provides an anti-derailment device for the crane, which solves the problems in the prior art.

Disclosure of Invention

Aiming at the problems, the utility model provides the crown block derailment preventing device which effectively ensures the stability of the trolley when running on a track through the cooperation of the limiting wheels and the pulleys and effectively avoids the phenomena of rail gnawing and derailment.

In order to solve the problems, the utility model provides an anti-derailment device of an overhead crane, which comprises a base, a mounting plate and limiting wheels arranged below the base, wherein the mounting plate is vertically assembled and arranged on one side of the base, the outer side of the mounting plate is used for being assembled and connected with one end of a trolley arranged on a track, the limiting wheels are symmetrically arranged below the base, the two limiting wheels are clamped and slidingly arranged on two sides of the track, the limiting wheels are detachably assembled on the base through a fixing shaft, the track is of an I-shaped structure, a linkage rod is arranged on the inner side of the fixing shaft, one end of the linkage rod is rotatably provided with a pulley, and the pulley is slidingly arranged between the upper side of the limiting wheels and the upper side of the inner side of the track.

The further improvement is that: the upper side of spacing wheel is equipped with the spacing groove, the below slip setting of pulley is in the spacing inslot, the spacing groove is annular structure, just the centre of a circle of spacing groove with the centre of a circle coincidence of spacing wheel.

The further improvement is that: the outside of fixed axle is equipped with the solid fixed ring, the one end of gangbar with gu fixed ring fixed assembly, the other end with the pulley rotates to be connected.

The further improvement is that: the fixing shaft is provided with a mounting ring below the base, the fixing shaft above the mounting ring is sleeved with an anti-slip pad, the anti-slip pad is provided with a plurality of fixing shafts made of rubber, and the upper end of the fixing shaft is provided with a fastening nut in a threaded manner.

The further improvement is that: the mounting panel is close to the bilateral symmetry of trolley one side is equipped with the curb plate, the curb plate pass through the bolt with trolley assembly connection.

The further improvement is that: the back of mounting panel is equipped with the mount, the lower extreme of mount with base assembly connection, the outside of mount is equipped with crashproof pad.

The further improvement is that: the lower symmetry of base both sides is equipped with the guard plate, the below of guard plate with the below of spacing wheel flushes.

The beneficial effects of the utility model are as follows: this crown block anticreep rail device carries out sliding support balance through the spacing wheel that sets up to the both sides of travelling bogie for spacing wheel can drive travelling bogie steady removal on the track, and spacing wheel symmetry block sets up in the track, make spacing wheel remove on the track be difficult for droing, and then guaranteed the phenomenon that the travelling bogie can not appear derailing when removing on the track, through the pulley that sets up, the rotation direction of pulley is the same with orbital direction, and the pulley is fixed assembly at fixed epaxially through the gangbar, therefore the removal of base can drive the pulley in the track and evenly slide between the spacing wheel, thereby make the device slide more stable on the track, and then guaranteed the travelling bogie with the device assembly connection and remove stability on the track.

Drawings

Fig. 1 is a front perspective view of the present utility model.

Fig. 2 is a rear perspective view of the present utility model.

Fig. 3 is a front view of the assembled structure of the limit wheel and the rail of the present utility model.

Fig. 4 is a perspective view of an assembled structure of a limit wheel and a pulley according to the present utility model.

Wherein: 1. a base; 2. a mounting plate; 3. a limiting wheel; 4. a track; 5. a fixed shaft; 6. a linkage rod; 7. a pulley; 8. a limit groove; 9. a fixing ring; 10. a mounting ring; 11. an anti-slip pad; 12. a fastening nut; 13. a side plate; 14. a bolt; 15. a fixing frame; 16. a crash pad; 17. and (5) protecting the plate.

Detailed Description

The present utility model will be further described in detail with reference to the following examples, which are only for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

According to the figures 1, 2, 3 and 4, this embodiment provides an anti-derailment device of a crown block, which comprises a base 1, a mounting plate 2 and a limit wheel 3 arranged below the base 1, wherein the mounting plate 2 is vertically assembled and arranged on one side of the base 1, the outer side of the mounting plate 2 is used for being assembled and connected with one end of a trolley arranged on a track 4, the limit wheel 3 is symmetrically arranged below the base 1, two limit wheels 3 are clamped and slidingly arranged on two sides of the track 4, the limit wheel 3 is detachably assembled on the base 1 through a fixing shaft 5, the track 4 is in an I-shaped structure, the inner side of the fixing shaft 5 is provided with a linkage rod 6, one end of the linkage rod 6 is rotationally provided with a pulley 7, the pulley 7 is slidingly arranged between the upper side of the limit wheel 3 and the inner upper side of the track 4, when the device is assembled, two limit wheels 3 are firstly placed on two sides of a track 4, the side walls of the limit wheels 3 are in sliding connection with the two sides of the track 4, a base 1 is placed on the track 4, a fixed shaft 5 at the upper end of the limit wheels 3 is assembled and arranged on the base 1, when the device is assembled, the height of the limit wheels 3 can be adjusted, the upper part of a pulley 7 which is rotatably arranged on the limit wheels 3 is abutted against the track 4, after the device is assembled with the track 4, the device is assembled and arranged at the front end of a trolley through a mounting plate 2, the two sides of the trolley are in sliding support balance through the arranged limit wheels 3, the limit wheels 3 can drive the trolley to stably move on the track, the limit wheels 3 are symmetrically clamped and arranged in the track 4, the limit wheels 3 are enabled to move on the track 4 and not to fall off easily, and then guaranteed that the phenomenon of derailment can not appear when the trolley moves on track 4, through pulley 7 that sets up, pulley 7's rotation direction is the same with track 4's direction, and pulley 7 is through gangbar 6 fixed mounting on fixed axle 5, consequently the removal of base 1 can drive pulley 7 in track 4 with spacing round 3 between evenly slide to make the device slide on track 4 more stable, and then guaranteed the stability of trolley on track 4 removal with the device assembly connection.

The top of spacing wheel 3 is equipped with spacing groove 8, the below slip setting of pulley 7 is in spacing inslot 8, spacing groove 8 is annular structure, just the centre of a circle of spacing groove 8 with the centre of a circle coincidence of spacing wheel 3 is through the below with spacing groove 8 sliding fit of pulley 7 for pulley 7 stability when moving on spacing wheel 3 makes pulley 7 remove the route more stable, avoids appearing the phenomenon of skew.

The outside of fixed axle 5 is equipped with solid fixed ring 9, the one end of gangbar 6 with gu fixed ring 9 fixed assembly, the other end with pulley 7 rotates to be connected, with the one end of gangbar 6 through gu fixed ring 9 with fixed axle 5 assembled connection, effectual stability and the fastness when increasing pulley 7 and fixed axle 5 linkage.

The fixing shaft 5 is provided with the mounting ring 10 below the base 1, the fixing shaft 5 above the mounting ring 10 is sleeved with the anti-slip pad 11, the anti-slip pad 11 is provided with a plurality of fixing shafts made of rubber, the upper end of the fixing shaft 5 is provided with the fastening nut 12 in a threaded mode, when the fixing shaft 5 is assembled, the upper end of the fixing shaft 5 is penetrated through the base 1, the upper part of the pulley 7 is in sliding connection with the upper part inside the track 4, the number of the anti-slip pads 11 can be added or reduced through the number of the anti-slip pads, so that the stability of assembly between the pulley 7 and the track 4 is guaranteed, after adjustment is finished, the upper end of the fixing shaft 5 penetrating out of the base 1 is fixed in a threaded mode through the fastening nut 12, the fixing shaft 5 is stably assembled on the base 1, and therefore the stability of the limiting wheel 3 during movement on the track 4 is guaranteed.

The mounting plate 2 is close to the both sides symmetry of trolley one side is equipped with curb plate 13, curb plate 13 pass through bolt 14 with trolley assembly connection.

The back of mounting panel 2 is equipped with mount 15, the lower extreme of mount 15 with base 1 assembly connection, the outside of mount 15 is equipped with crashproof pad 16, through the crashproof pad 16 of setting up, the effectual possibility of avoiding the lifting trolley to bump to carry out the buffer protection to a certain extent to the lifting trolley.

The below symmetry of base 1 both sides is equipped with guard plate 17, guard plate 17's below with the below of spacing wheel 3 flushes, protects spacing wheel 3 that sets up in base 1 below through the guard plate 17 that sets up, places spacing wheel 3 effectively and receives striking or contact and lead to the position of spacing wheel 3 to take place to skew or spacing wheel 3 to take place to damage to cause the lifting trolley to take place crookedly when moving on track 4 easily and lead to impaired problem.

When the crown block derailment prevention device is assembled, two limit wheels 3 are firstly placed on two sides of a track 4, the side walls of the limit wheels 3 are in sliding connection with the two sides of the track 4, a base 1 is placed on the track 4, a fixed shaft 5 at the upper end of the limit wheels 3 is assembled and arranged on the base 1, when the fixed shaft 5 is assembled, the upper end of the fixed shaft 5 penetrates through the base 1, the upper part of a pulley 7 is in sliding connection with the upper part inside the track 4, the number of anti-skid pads 11 can be added or reduced, so that the stability of the assembly between the pulley 7 and the track 4 is ensured, after the adjustment, the upper end of the fixed shaft 5 penetrating through the base 1 is in threaded connection through a fastening nut 12, so that the fixed shaft 5 is stably assembled on the base 1, so that the stability of the limit wheels 3 when moving on the track 4 is ensured, after the crown block derailment prevention device and the track 4 are assembled, the device is assembled and arranged at the front end of the trolley through the mounting plate 2, the two sides of the trolley are supported and balanced in a sliding way through the arranged limiting wheels 3, the limiting wheels 3 can drive the trolley to move on the track stably, the limiting wheels 3 are symmetrically clamped and arranged in the track 4, the limiting wheels 3 move on the track 4 and are not easy to fall off, the phenomenon that the trolley cannot derail when moving on the track 4 is further ensured, the rotating direction of the pulley 7 is the same as the direction of the track 4 through the arranged pulley 7, the pulley 7 is fixedly assembled on the fixed shaft 5 through the linkage rod 6, therefore, the movement of the base 1 can drive the pulley 7 to slide uniformly between the track 4 and the limiting wheels 3, so that the sliding of the device on the track 4 is more stable, and the moving stability of the trolley assembled and connected with the device on the track 4 is ensured, through the below with pulley 7 and spacing groove 8 sliding fit for pulley 7 stability when moving on spacing wheel 3 makes the route that pulley 7 moved more stable, avoids appearing the phenomenon of skew.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. An overhead traveling crane anticreep rail device, its characterized in that: including base (1), mounting panel (2) and setting up spacing wheel (3) in base (1) below, mounting panel (2) vertical assembly sets up on base (1) one side, the outside of mounting panel (2) is used for being connected with the one end assembly of the lifting trolley of setting on track (4), spacing wheel (3) symmetry sets up the below of base (1), two spacing wheel (3) block slides and places the both sides of track (4), spacing wheel (3) are in through fixed axle (5) detachable assembly on base (1), track (4) are "worker" type structure, the inboard of fixed axle (5) is equipped with gangbar (6), the one end rotation of gangbar (6) is equipped with pulley (7), pulley (7) slide and set up between the top of spacing wheel (3) with the inside top of track (4) one side.

2. The crown block derailment prevention apparatus according to claim 1, wherein: the utility model discloses a pulley, including spacing wheel (3), pulley, spacing wheel (7), pulley, spacing wheel (3) top is equipped with spacing groove (8), the below of pulley (7) slides and sets up in spacing groove (8), spacing groove (8) are annular structure, just the centre of a circle of spacing groove (8) with the centre of a circle of spacing wheel (3) coincidence.

3. The crown block derailment prevention apparatus according to claim 1, wherein: the outside of fixed axle (5) is equipped with solid fixed ring (9), the one end of gangbar (6) with gu fixed ring (9) fixed assembly, the other end with pulley (7) rotate and be connected.

4. The crown block derailment prevention apparatus according to claim 1, wherein: the anti-slip fixing device is characterized in that a mounting ring (10) is arranged on the fixing shaft (5) below the base (1), an anti-slip pad (11) is sleeved on the fixing shaft (5) above the mounting ring (10), the anti-slip pad (11) is provided with a plurality of fixing shafts (5) made of rubber, and a fastening nut (12) is assembled at the upper end of the fixing shaft (5) in a threaded mode.

5. The crown block derailment prevention apparatus according to claim 1, wherein: the two sides of the mounting plate (2) close to one surface of the lifting trolley are symmetrically provided with side plates (13), and the side plates (13) are connected with the lifting trolley in an assembling manner through bolts (14).

6. The crown block derailment prevention apparatus according to claim 1, wherein: the back of mounting panel (2) is equipped with mount (15), the lower extreme of mount (15) with base (1) assembly connection, the outside of mount (15) is equipped with crashproof pad (16).

7. The crown block derailment prevention apparatus according to claim 1, wherein: the lower parts of two sides of the base (1) are symmetrically provided with protection plates (17), and the lower parts of the protection plates (17) are flush with the lower parts of the limiting wheels (3).