CN213537024U

CN213537024U - Driving limiter

Info

Publication number: CN213537024U
Application number: CN202022116799.4U
Authority: CN
Inventors: 林坚; 周红兵; 赵伟斌; 吴斌
Original assignee: SGIS Songshan Co Ltd
Current assignee: SGIS Songshan Co Ltd
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-06-25
Anticipated expiration: 2030-09-23

Abstract

The utility model relates to a driving stopper, including protruding card rail ware on locating the track, can dismantle on the track and be connected with the dead lever, the cover is equipped with the loop bar that can follow dead lever up-and-down motion on the dead lever, is equipped with the contact plate with the limit switch looks adaptation of locating the driving top on the loop bar, and limit switch is connected with the power supply signal of driving. The utility model discloses a card rail ware and contact plate realize duplicate protection, and the contact plate makes the disconnection of driving power supply, starts the band-type brake braking to further prevent the driving by card rail ware and continue the forward movement, thereby the driving of restriction hoist gets into the maintenance region, avoids the occurence of failure.

Description

Driving limiter

Technical Field

The utility model relates to a hoist driving safety's technical field, more specifically says, it relates to a driving stopper.

Background

The bridge crane is a common mechanical device in loading and unloading operation, and is transversely arranged above a workshop, a warehouse or a stock yard for hoisting materials. The two ends of the lifting device are located on a high and large cement column or a metal support and longitudinally run along rails laid on the elevated frames at the two sides, so that the space below the bridge frame can be fully utilized to lift materials without being hindered by ground equipment.

Because two or more cranes are generally arranged on the same track of a workshop, when the cranes break down or other factors cause maintenance, in order to ensure that the cranes on the same track do not enter the maintenance area, the conventional safety protection measures are to install a rail clamping device on the track in the coming direction of the maintenance area, and pull a safety warning belt at the front end of the rail clamping device to prompt a crane driver to stop in advance or not drive into the maintenance area.

The method for limiting the running area of the same track by the currently used track clamping device and the warning belt mainly has the following problems: firstly, the warning belt has poor warning effect, is not beneficial to the identification of a driving driver, and is easy to cause the failure of protection; and secondly, the rail clamping device only singly performs mechanical blocking, and after the wheels of the traveling crane are contacted with the rail clamping device, the power of the traveling crane is still in place, so that the traveling crane is easy to cause larger safety accidents caused by crossing the rail clamping device.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a driving stopper. The utility model discloses a card rail ware and contact plate realize duplicate protection, and the contact plate makes the disconnection of driving power supply, starts the band-type brake braking to further prevent the driving by card rail ware and continue the forward movement, thereby the driving of restriction hoist gets into the maintenance region, avoids the occurence of failure.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a driving stopper, includes protruding card rail ware of locating on the track, can dismantle on the track and be connected with the dead lever, the cover is equipped with on the dead lever and can follows dead lever up-and-down motion's loop bar, be equipped with on the loop bar with locate the contact plate of the limit switch looks adaptation at driving top, limit switch is connected with the power signal of driving.

In one embodiment, the rail clamping device is in a right trapezoid shape, the inclined edge of the right trapezoid is an inner arc, the inclined edge corresponds to the coming direction of a traveling crane, and the radian of the inner arc of the inclined edge ranges from 60 degrees to 90 degrees.

In one embodiment, the bottom of the rail clamping device is sleeved with the rail, first locking bolts are arranged on two sides of the rail clamping device, and the first locking bolts are used for fixing the rail clamping device and the rail.

In one embodiment, the fixing rod is fixedly connected to one side of the rail clamping device away from the direction of the vehicle coming from the vehicle, one end of the sleeve rod away from the fixing rod extends towards the direction of the vehicle coming from the vehicle, a cross rod is connected to the tail end of the sleeve rod, the cross rod is perpendicular to the track and is horizontally arranged, and the contact plate is located on the cross rod.

In one embodiment, a third locking bolt is arranged on the fixing rod and used for fixing the relative position of the loop bar and the fixing rod.

In one embodiment, the contact plate is hinged to the lever by a second locking bolt.

In one embodiment, the cross bar is an adjustable telescopic bar.

In one embodiment, the contact plate is an inductive contact plate or a mechanical contact plate.

To sum up, the utility model discloses following beneficial effect has:

1. the utility model discloses a card rail ware and contact plate realize duplicate protection, and the contact plate makes the disconnection of driving power supply, starts the band-type brake braking to further prevent the driving by card rail ware and continue the forward movement, thereby the driving of restriction hoist gets into the maintenance region, avoids the occurence of failure.

2. The setting of dead lever does not influence the effect of card rail ware, compares in setting up in other positions, sets up in the one side of keeping away from the coming car direction of driving, just can not cause unnecessary wearing and tearing to the driving wheel. The extension of the loop bar and the function of arranging the cross bar enable the contact plate to be positioned in front of the rail clamping device to generate an induction function, and due to different traveling cranes, the limit switches at the top of the contact plate can be arranged at different positions, so that the contact plate can be arranged at different positions on the cross bar to be matched and corresponding with the cross bar.

3. The fixed rod and the loop bar are mutually sleeved, so that the relative position of the loop bar can be adjusted, and the height position of a contact plate on the fixed rod and the loop bar is adjusted to adapt to the height of the limit switch. The contact plate is arranged at the tail end of the cross rod, and the horizontal position of the contact plate can be adjusted through the stretching of the cross rod.

Drawings

Fig. 1 is a schematic structural view of a driving limiter of the present invention;

fig. 2 is a front view of the driving stopper of the present invention.

In the figure: 1-contact plate, 2-second locking bolt, 3-loop bar, 4-third locking bolt, 5-fixing bar, 6-rail clamping device, 7-first locking bolt, 8-rail and 9-wheel.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse explanation, these directional terms do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present application.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures, and it is to be understood that spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both orientations of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.

As shown in figures 1-2, a driving limiter comprises a rail clamping device 6 convexly arranged on a track 8, wherein a fixed rod 5 is detachably connected on the track 8, a sleeve rod 3 capable of reciprocating up and down along the fixed rod 5 is sleeved on the fixed rod 5, a contact plate 1 matched with a limit switch arranged at the top of a driving is arranged on the sleeve rod 3, and the limit switch is in signal connection with a power supply of the driving. The utility model discloses a card rail ware 6 and contact plate 1 realize duplicate protection, and contact plate 1 responds to mutually with the limit switch at driving top, and when the driving was through, thereby limit switch sensed contact plate 1 and provided the transformation signal, made the power supply disconnection of driving to start the band-type brake braking, reach first heavy driving limiting displacement. In addition, the contact plate 1 and the limit switch can be mechanically contacted, and the contact plate 1 can toggle the limit switch when a travelling crane passes through, so that the power supply of the travelling crane can be disconnected. And then, a rail clamping device 6 is arranged on the rail 8 to further prevent the crane from continuously moving forwards, so that the crane of the crane is limited to enter a maintenance area, and accidents are avoided. The position of the contact plate 1 and the position of the rail clamping device 6 can be successively arranged along the traveling direction of the traveling crane, if the rail clamping device 6 is arranged in front of the contact plate 1 and behind the rail clamping device 6, or the contact plate 1 and the rail clamping device 6 are arranged at relatively consistent positions on the rail 8, the traveling crane can be prevented from passing over the rail clamping device 6 under special conditions, and the traveling crane is prevented from continuing to advance by the induction of the contact plate 1. The more preferable scheme is that the position of the contact plate 1 is arranged in front, so that the traveling crane can not provide power in advance, and the traveling crane can not move forwards for too much distance even under the inertia effect, so that the impact on the rail clamping device 6 can be effectively reduced, and the condition that the traveling crane crosses the rail clamping device 6 and enters the overhaul area can be avoided under the action of the rail clamping device 6.

In this embodiment, the rail clamping device 6 is a right trapezoid, the bevel edge of the right trapezoid is an inner arc, the bevel edge corresponds to the direction of the vehicle coming from the traveling crane, and the radian of the inner arc of the bevel edge is 60-90 °. The circular arc that the card rail ware 6 formed is with track smooth connection to make the wheel 9 of driving a vehicle when coming the card rail ware 6 position, can follow the circular arc motion of card rail ware 6, can effectively reduce the impact of driving a vehicle wheel 9 to card rail ware 6 like this, and because can make wheel 9 upwards move like this, thereby under the action of driving gravity, prevent the wheel and cross card rail ware 6, reach spacing effect. The bottom of the rail clamping device 6 is sleeved with the rail 8, first locking bolts 7 are arranged on two sides of the rail clamping device 6, and the first locking bolts 7 are used for fixing the rail clamping device 6 and the rail 8. The rail clamping device 6 is connected with the rail 8 through sleeving, the position can be conveniently changed and moved according to actual needs, when the rail clamping device is sleeved, the surface of the rail clamping device 6 can be arranged to be thinner in the position where the rail 8 is connected, and the fan-shaped part is formed by gradually thickening, so that the surface smooth connection of the rail 8 can be complied with, and the impact effect on the rail clamping device 6 when the travelling wheels 9 pass through is further reduced. The rail clamping device 6 is locked and fixed through the first locking bolts 7 on the two sides, so that the influence of the first locking bolts 7 on the rail 8 or the travelling wheel 9 can be avoided, the rail clamping device is easy to fix and lock, when the rail clamping device 6 is impacted, the rail clamping device depends on the radial stress of the first locking bolts 7, and the rail clamping device 6 can be replaced by only replacing the first locking bolts 7 even if the rail clamping device is damaged.

In this embodiment, the fixing rod 5 may be provided with a slider at an end close to the track 8, so that the slider is detachably connected to the track 8, and the fixing rod 5 is directly detachably connected to the track 8. In addition, dead lever 5 also can weld on the one side that the incoming car direction of driving was kept away from to card rail ware 6, and rethread card rail ware 6 can dismantle with track 8 and be connected, and the one end that dead lever 5 was kept away from to loop bar 3 extends to the incoming car direction of driving to there is the horizontal pole at this end connection, and the horizontal pole sets up with track 8 is perpendicular and level, and contact plate 1 is located the horizontal pole. The arrangement of the fixed rod 5 does not affect the function of the rail clamping device 6, and compared with the arrangement at other positions, the arrangement is arranged at one side far away from the coming direction of the travelling crane, so that unnecessary abrasion to the travelling crane wheels 9 can be avoided. The extension of the loop bar 3 and the function of arranging the cross bar are to generate the sensing function when the contact plate 1 is positioned in front of the rail clamping device 6, and the limit switch at the top of the loop bar can be arranged at different positions due to different traveling cranes, so that the contact plate 1 can be arranged at different positions on the cross bar to be matched and corresponding with the cross bar. In addition, the contact plate 1 can be articulated to the sleeve lever 3 by means of a second locking bolt 2. The contact plate 1 may be a sensing plate or may be configured to toggle the limit switch, so that the rotation angle of the contact plate 1 can be adjusted in a hinged manner to adapt to different traveling vehicles in order to adjust the rotation angle of the contact plate to correspond to the limit switch.

In the present embodiment, a third locking bolt 4 is provided on the fixing rod 5, and the third locking bolt 4 is used for fixing the relative position of the sleeve rod 3 and the fixing rod 5. The fixed rod 5 and the loop bar 3 are mutually sleeved, so that the relative position of the loop bar 3 can be adjusted, and the height position of the contact plate 1 on the fixed rod is adjusted to be matched with the height of the limit switch. The horizontal pole is adjustable telescopic link, and contact panel 1 locates the end of horizontal pole, and the horizontal position of contact panel 1 is adjusted to the flexible of accessible horizontal pole.

When the device is used, the rail clamping device 6 is installed on a rail 8 of a crane cart according to the area and direction of the crane needing to be protected and isolated, the first locking bolt 7 on the rail clamping device 6 is screwed, then the crane needing to be protected is moved to the rail clamping device 6, and the positions of the lifting sleeve rod 3 and the position of the position limit switch contact plate 1 are adjusted according to the position of the position limit switch above the end beam of the moved crane cart. After the position is determined, the second locking bolt 2 and the third locking bolt 4 are screwed down to respectively lock the position of the sleeve rod 3 relative to the fixing rod 5, the rotation angle of the locking contact plate 1 and the position relative to the cross rod, and therefore the multifunctional traveling crane cart stopper is installed and can be put into use.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a driving stopper, its characterized in that, locates card rail ware (6) on track (8) including protruding, can dismantle on track (8) and be connected with dead lever (5), the cover is equipped with on dead lever (5) and follows dead lever (5) up-and-down motion's loop bar (3), be equipped with on loop bar (3) with locate contact plate (1) of the limit switch looks adaptation at driving top, limit switch is connected with the power signal of driving.

2. A service stop according to claim 1 wherein the said rail clamp (6) is right trapezoid with its hypotenuse being an inner arc, said hypotenuse corresponding to the direction of arrival of the service and said hypotenuse having an inner arc radian of 60 ° to 90 °.

3. The running limiter according to claim 2, wherein the bottom of the rail clamping device (6) is sleeved with the rail (8), first locking bolts (7) are arranged on both sides of the rail clamping device (6), and the first locking bolts (7) are used for fixing the rail clamping device (6) and the rail (8).

4. A driving stopper according to any one of claims 1-3 wherein the fixed rod (5) is fixedly connected to the rail clamp (6) on a side thereof away from the direction of the vehicle, and the end of the sleeve rod (3) away from the fixed rod (5) extends in the direction of the vehicle, and a cross rod is connected to the end thereof, the cross rod is arranged vertically and horizontally with respect to the track (8), and the contact plate (1) is located on the cross rod.

5. A service stop as claimed in claim 4, wherein the fixing rod (5) is provided with a third locking bolt (4), the third locking bolt (4) being used to fix the relative position of the loop bar (3) and the fixing rod (5).

6. Traffic stop according to claim 5, characterized in that the contact plate (1) is hinged to the crossbar by means of a second locking bolt (2).

7. The travel stop of claim 6, wherein said cross bar is an adjustable telescoping bar.

8. A service stop according to claim 1 or 2 or 3 or 5 or 6 or 7, wherein the contact plate (1) is an inductive contact plate or a mechanical contact plate.