CN218642286U

CN218642286U - Crane stroke limiter

Info

Publication number: CN218642286U
Application number: CN202222774020.7U
Authority: CN
Inventors: 徐进; 张东波; 张腾飞; 毛胤选
Original assignee: Henan Hengda Electromechanical Equipment Co ltd
Current assignee: Henan Hengda Electromechanical Equipment Co ltd
Priority date: 2022-10-20
Filing date: 2022-10-20
Publication date: 2023-03-17
Anticipated expiration: 2032-10-20

Abstract

The utility model discloses a hoist stroke stopper relates to hoist technical field, specifically is a hoist stroke stopper, including track base and end beam main part, the middle fixedly connected with rail of track base upper surface, the tip fixedly connected with that the track base is close to the rail hinders the shut down plate, and the rail is close to the spacing inclined plane board of one side fixedly connected with who hinders the shut down plate, and the both ends face of end beam main part is provided with the buffer seat, and the top fixedly connected with connecting bottom plate that the end beam main part is close to the buffer seat. Through the cooperation setting of spacing inclined plane board, spacing support tablet, spacing gyro wheel and proximity switch, make this hoist stroke stopper possess the braking distance can be done very long and the effect that can multiple spot control, through the cooperation setting of spacing inclined plane board, spacing support tablet, spacing gyro wheel and proximity switch, make this hoist stroke stopper possess the installation threshold low and the theory of operation is directly perceived the effect of being convenient for the maintenance.

Description

Crane stroke limiter

Technical Field

The utility model relates to a hoist technical field specifically is a hoist stroke stopper.

Background

The hoist stroke limiter is a safety device for limiting the operating range of a crane operating mechanism, is used for avoiding the high-speed striking of the crane operating mechanism or surpassing the stroke, the present commonly used stroke limiter has a push rod type, a stroke limit switch, a multifunctional stroke limit switch and the like, but the push rod of the push rod type cannot be made too long to lead to the braking distance to be very short, the stroke limit switch only has one control point, the multifunctional stroke limit is limited, although the multi-point control and the braking distance are also long, but the external force input is required to rotate the rotating shaft to lead to the installation threshold to be high and the maintenance difficulty is large.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a hoist stroke stopper has solved the problem of proposing among the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a hoist stroke stopper, including track base and end beam main part, the middle fixedly connected with rail of track base upper surface, the tip fixedly connected with that the track base is close to the rail hinders the shut-off plate, the rail is close to the spacing inclined plane board of one side fixedly connected with that hinders the shut-off plate, the both ends face of end beam main part is provided with the buffer seat, the top fixedly connected with connecting bottom plate that the end beam main part is close to the buffer seat, connecting bottom plate is close to one side fixedly connected with connection riser of spacing inclined plane board, the middle fixedly connected with linear guide of connecting the riser lateral surface, sliding connection has spacing support tablet about one side of linear guide, the below of spacing support tablet is rotated and is connected with spacing gyro wheel, connect the both sides fixedly connected with limit stop of riser below, the both sides threaded connection of connecting the riser top has proximity switch.

Preferably, the end beam main body moves above the steel rail, and the spacing inclined plane plate is arranged between the limiting inclined plane plate and the steel rail and is parallel to the limiting inclined plane plate.

Preferably, the width dimension of the limiting roller is larger than the thickness dimension of the limiting inclined plane plate, and the track of the limiting roller is coplanar with the limiting inclined plane plate.

Preferably, the proximity switch is divided into an upper row and a lower row, the movement of the end beam is decelerated when the next row has signals, the end beam is directly braked when the previous row has signals, and more than two rows of threaded holes for installing the proximity switch are formed in two sides of the connecting vertical plate.

Preferably, when the limiting support induction plate moves downwards and is stopped by the limiting stop, the height of the bottommost surface of the limiting roller is still higher than that of the limiting inclined plane plate, and at the moment, the next row of proximity switches is close to the top surface of the limiting support induction plate.

Preferably, when the buffer seat is in contact with the stop prevention plate, the limiting roller is still in contact with the inclined plane of the limiting inclined plane plate, and the top surface of the limiting support induction plate is higher than the upper row of proximity switches.

(III) advantageous effects

The utility model provides a hoist stroke stopper possesses following beneficial effect:

1. the crane travel limiter has the advantages that the crane travel limiter has the effect that the braking distance can be very long and can be controlled in multiple points by the aid of the limiting inclined plane plates, the limiting idler wheel moves on the inclined plane of the limiting inclined plane plates from the upper side of the limiting inclined plane plates through the limiting idler wheel, the height difference of the inclined plane of the limiting inclined plane plates is the height difference of the limiting idler wheel floating up and down in the process, the limiting idler wheel is installed below the limiting supporting induction plates and further the limiting supporting induction plates float up and down, when the limiting supporting induction plates move up, signals of a plurality of proximity switches can be triggered, further, the motion of a crane is detected and controlled, wherein the distance of the limiting supporting induction plates floating up and down cannot be too long, but the limiting inclined plane plates controlling the floating of the limiting supporting induction plates can be very long, and the limiting inclined plane plates are integrally and directly fixed on a track base and further are very long and firm.

2. This hoist stroke stopper, through spacing inclined plane board, spacing support tablet, spacing gyro wheel and proximity switch's cooperation setting, make this hoist stroke stopper possess the low and effect of the directly perceived maintenance of being convenient for of theory of operation of installation threshold, spacing gyro wheel spacing support tablet's height changes when the inclined plane motion on spacing inclined plane board, can trigger or release proximity switch's signal when spacing support tablet's height changes, the control principle of realization signal is simple and directly perceived and then be convenient for maintain, and need not set up specially that the external force input of matching only need install in the end beam main part can.

Drawings

Fig. 1 is a schematic structural view of a three-dimensional view of the present invention;

FIG. 2 is a schematic structural view of the front view of the present invention;

FIG. 3 is a schematic left side view of the present invention;

fig. 4 is a schematic structural diagram of a top view of the present invention.

In the figure: 1. a rail mount; 2. an end beam body; 3. a steel rail; 4. a stop plate; 5. a limiting inclined plane plate; 6. a buffer seat; 7. connecting the bottom plate; 8. connecting a vertical plate; 9. a linear guide rail; 10. a limiting support induction plate; 11. limiting the idler wheel; 12. a limit stop; 13. a proximity switch.

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.

Referring to fig. 1 to 4, the present invention provides a technical solution: a crane travel limiter comprises a track base 1 and an end beam main body 2, a steel rail 3 is fixedly connected in the middle of the upper surface of the track base 1, the end beam main body 2 moves above the steel rail 3, a stop plate 4 is fixedly connected to the end part of the track base 1 close to the steel rail 3, a limit inclined plate 5 is fixedly connected to one side of the steel rail 3 close to the stop plate 4, an interval is arranged between the limit inclined plate 5 and the steel rail 3 and is parallel to the end beam main body, buffer seats 6 are arranged on two end faces of the end beam main body 2, a connecting bottom plate 7 is fixedly connected to the upper part of the end beam main body 2 close to the buffer seats 6, a connecting vertical plate 8 is fixedly connected to one side of the connecting bottom plate 7 close to the limit inclined plate 5, a linear guide rail 9 is fixedly connected to the middle of the outer side face of the connecting vertical plate 8, a limit support induction plate 10 is vertically slidably connected to one side of the linear guide rail 9, and a limit idler wheel 11 is rotatably connected to the lower part of the limit support induction plate 10, the width dimension of the limiting idler wheel 11 is larger than the thickness dimension of the limiting inclined plane plate 5, the track of the limiting idler wheel 11 is coplanar with the limiting inclined plane plate 5, two sides below the connecting vertical plate 8 are fixedly connected with limiting stops 12, two sides above the connecting vertical plate 8 are in threaded connection with proximity switches 13, the proximity switches 13 are divided into an upper row and a lower row, the movement of the end beam is decelerated when the next row has signals, the end beam is directly braked when the previous row has signals, more than two rows of threaded holes for installing the proximity switches 13 are formed in two sides of the connecting vertical plate 8, when the downward movement of the limiting support induction plate 10 is stopped by the limiting stops 12, the height of the bottommost surface of the limiting idler wheel 11 is still higher than that of the limiting inclined plane plate 5, the next row of proximity switches 13 is close to the top surface of the limiting support induction plate 10, when the buffer base 6 is in contact with the stopping plate 4, the limiting idler wheel 11 is still in contact with the inclined plane of the limiting inclined plane plate 5, the top surface of the limit support induction plate 10 is higher than the upper row of proximity switches 13.

When the travel limiter is used, the travel limiter is fixedly installed on the upper surfaces of two ends of an end beam main body 2 through a connecting bottom plate 7, then a limiting inclined plane plate 5 is installed on the upper surface of a track base 1, and a limiting roller 11 is required to be in contact with an inclined plane of the limiting inclined plane plate 5 when moving to the upper side of the limiting inclined plane plate 5, wherein the smaller the inclined plane angle of the limiting inclined plane plate 5 is, the longer the limiting inclined plane plate 5 required by the unit distance of up-down movement of the limiting supporting induction plate 10 is, otherwise, the larger the inclined plane angle is, the shorter the limiting inclined plane plate 5 required by the unit distance of up-down movement of the limiting supporting induction plate 10 is, because the limiting inclined plane plate 5 is integrally fixed on the track base 1, the larger the contact area is, even if the limiting inclined plane plate 5 is very long, the limiting inclined plane plate 5 can perform long-distance control on the up-down movement of the limiting supporting induction plate 10, the rear side of the limiting supporting induction plate 10 is provided with a plurality of proximity switches 13, a plurality of control signals such as speed reduction signals, alarm signals, brake signals, and each signal is two more secure, when the travel limiter works, the travel limiter is very large, and the limit switch 13 is close to which limiting switch is close to the limiting switch 13, and the limiting switch can be directly driven by the limiting switch, and the limiting switch 2, and the limiting switch can be directly driven by the limiting inclined plane 2, and the limiting switch can be directly driven by the limiting switch, and the limiting switch.

In summary, the crane travel limiter has the advantages that the crane travel limiter has the effect that the braking distance can be made very long and can be controlled in multiple points by the matching arrangement of the limiting inclined panel 5, the limiting support induction plate 10, the limiting idler wheel 11 and the proximity switch 13, the limiting idler wheel 11 moves on the inclined plane of the limiting inclined panel 5 from the upper side of the limiting inclined panel 5 through the limiting idler wheel 11, the height difference of the inclined plane of the limiting inclined panel 5 is the height difference of the limiting idler wheel 11 floating up and down in the process, the limiting idler wheel 11 is installed below the limiting support induction plate 10 and further the limiting support induction plate 10 floats up and down, when the limiting support induction plate 10 moves up, signals of the proximity switches 13 can be triggered to detect and control the movement of the crane, wherein the distance of the limiting support induction plate 10 floating up and down is not too long, but the limiting plate 5 controlling the floating of the limiting support induction plate 10 can be made very long, the limiting plate 5 is directly fixed on the track base 1 and is very long and even if very long, the limiting idler wheel 10 and the limiting idler wheel 11 can be conveniently maintained by the principle that the limit switch and the limit switch can be directly fixed on the track base 1, and the limit switch, the limit switch can be maintained, and the limit switch can be maintained easily.

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 hoist stroke stopper, includes track base (1) and end beam main part (2), its characterized in that: the middle fixedly connected with rail (3) of track base (1) upper surface, the tip fixedly connected with that track base (1) is close to rail (3) hinders shut-off plate (4), rail (3) are close to one side fixedly connected with spacing inclined plane board (5) that hinder shut-off plate (4), the both ends face of end beam main part (2) is provided with buffer seat (6), top fixedly connected with connecting bottom plate (7) that end beam main part (2) are close to buffer seat (6), one side fixedly connected with connecting riser (8) that connecting bottom plate (7) are close to spacing inclined plane board (5), middle fixedly connected with linear guide (9) of connecting riser (8) lateral surface, sliding connection has spacing support tablet (10) about one side of linear guide (9), the below of spacing support tablet (10) is rotated and is connected with spacing gyro wheel (11), both sides fixedly connected with spacing dog (12) of connecting riser (8) below, the both sides threaded connection of connecting riser (8) top has proximity switch (13).

2. The crane travel limiter of claim 1, wherein: the end beam main body (2) moves above the steel rail (3), and a space is arranged between the limiting inclined plane plate (5) and the steel rail (3) and is parallel to the limiting inclined plane plate.

3. The crane travel limiter of claim 1, wherein: the width dimension of the limiting idler wheel (11) is larger than the thickness dimension of the limiting inclined plane plate (5), and the track of the limiting idler wheel (11) is coplanar with the limiting inclined plane plate (5).

4. The crane travel limiter of claim 1, wherein: the proximity switches (13) are divided into an upper row and a lower row, the movement of the end beam is decelerated when the next row has signals, the end beam is directly braked when the previous row has signals, and more than two rows of threaded holes for installing the proximity switches (13) are formed in two sides of the connecting vertical plate (8).

5. The crane travel limiter of claim 1, wherein: when the limiting support induction plate (10) moves downwards and is stopped by the limiting stop block (12), the height of the bottommost surface of the limiting roller (11) is still higher than that of the limiting inclined plane plate (5), and at the moment, the next row of proximity switches (13) are close to the top surface of the limiting support induction plate (10).

6. The crane travel limiter of claim 1, wherein: when the buffer seat (6) is contacted with the stop board (4), the limiting roller (11) is still contacted with the inclined plane of the limiting inclined plane board (5), and the top surface of the limiting supporting induction board (10) is higher than the upper row of proximity switches (13).