CN219340744U - Back-turning type unloading machine with height limiting function - Google Patents

Abstract

The utility model discloses a backward-turning type unloading machine with a height limiting function, which comprises an unloading platform, wherein the front end of the unloading platform is connected with a height limiting device, the height limiting device comprises a support frame and a buffer rod, the support frame comprises a height limiting cross beam, two ends of the height limiting cross beam are connected with stand columns connected with the side wall of the unloading platform, one side of the height limiting cross beam is connected with a buffer rod for preventing a vehicle in a sliding manner, and the lower end of the buffer rod is level with the bottom of the height limiting cross beam. The height limiting device is added on the unloading platform, so that the height of the unloading platform can be limited, the safety of the vehicle after tilting is ensured, the occurrence of a rollover accident is prevented, and the use safety of the unloading machine is ensured.

Description

Back-turning type unloading machine with height limiting function

Technical Field

The utility model relates to the technical field of unloading machines, in particular to a backward-turning type unloading machine with a height limit.

Background

The hydraulic turning plate unloading machine is a modern material unloading device, the material car is poured onto the unloading platform, and can be automatically and directly unloaded, the specific process is that the truck is driven to the hydraulic unloading platform, a car stopping device is started, the unloading platform is lifted by a hydraulic system to a certain angle, so that bulk cargoes automatically slide down, and the unloading is efficient and reliable. Therefore, the method is widely applicable to units and departments with bulk material receiving operations such as grain and oil, food, coal, building materials, chemical industry, metallurgy, mines, ports and the like.

The rear dump truck, under hydraulic system's effect, make the one end of platform of unloading rise, let locomotive one end be higher than the tail of a car, make the material by car hopper rear end roll-off, there is not set up limit for height device on the platform of unloading of current rear dump truck, like patent CN 211282988U-rear dump truck, mainly rely on the angle of hydraulic system control platform of unloading to guarantee the safety of unloading, and when platform inclination is the same, the risk of car hopper higher vehicle roll-over will be bigger, and current unloader can have the roll-over risk when the car hopper is higher owing to there is not vehicle height to inject.

Disclosure of Invention

The utility model aims at the defects in the prior art, and provides the backward overturning type unloading machine with the height limiting function, wherein the height limiting device is additionally arranged on the unloading platform, so that the height entering the unloading platform can be limited, the safety of a vehicle after the vehicle is inclined is ensured, the occurrence of a rollover accident is prevented, and the use safety of the unloading machine is ensured.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a take lift truck unloader that turns over after limit for height, includes the platform of unloading, the limit for height device that the front end of platform of unloading is connected, the limit for height device includes support frame and buffer rod, the support frame includes limit for height crossbeam, limit for height crossbeam's both ends are connected with the stand of being connected with the platform lateral wall of unloading, one side sliding connection of limit for height crossbeam has the buffer rod that prevents the vehicle, the lower extreme of buffer rod and the bottom parallel and level of limit for height crossbeam.

Preferably, a warning lamp is arranged at the upper end of the height limiting beam.

Preferably, the stand comprises a supporting sleeve connected with the side wall of the unloading platform, the upper end of the supporting sleeve is slidably connected with a supporting rod, and a hydraulic cylinder is connected between the bottom of the supporting rod and the bottom of the supporting sleeve.

Preferably, the height limiting beam is provided with a shaft sleeve, one side of the buffer rod is connected with a first sliding rod in sliding fit with the shaft sleeve, one end of the first sliding rod, which is far away from the buffer rod, is provided with a first limiting block, and a first spring for connecting the height limiting beam and the buffer rod is sleeved on the first sliding rod.

Preferably, one side of the buffer rod is provided with a detection plate, a sliding hole is formed in the buffer rod, one side of the detection plate is provided with a second sliding rod matched with the sliding hole, one end, away from the detection plate, of the second sliding rod is provided with a second limiting block, a second spring connected with the detection plate and the buffer rod is sleeved on the second sliding rod, a first electrode is arranged on the side wall of the buffer rod, a second electrode matched with the first electrode in a contact mode is arranged on the side wall of the detection plate, an alarm is arranged on the side wall of the stand column, the first electrode is electrically connected with the alarm, and the second electrode is electrically connected with a power supply.

Preferably, a buffer pad is arranged on one side of the buffer rod facing the detection plate.

Preferably, an indication plate is arranged at the upper end of the height limiting beam.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the height limiting device is added on the unloading platform, so that the height of the unloading platform can be limited, the safety of the inclined vehicle is ensured, the occurrence of a rollover accident is prevented, and the use safety of the unloading machine is ensured.

2. The height of the height-limiting beam can be adjusted according to vehicles with different lengths, the height of the height-limiting beam is limited according to the inclination angles tolerated by different vehicles, and the universality is improved.

3. According to the utility model, the buffer rod is arranged on one side of the height limiting beam, so that the damage to the height limiting device after the vehicle contacts with the height limiting device is avoided, and the functions of buffering and protecting are achieved.

4. The utility model is added with the detection plate and the alarm, can carry out ultrahigh reminding on a truck driver, avoids the truck driver from entering the unloading platform by mistake because the truck driver cannot know ultrahigh information, avoids damaging the height limiting device, and the detection plate and the buffer rod are of slidable structures, can slide to avoid damage after being contacted with a vehicle, can be automatically reset, and is safer and more convenient to use.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the height limiting device;

FIG. 3 is a schematic structural view of a support frame;

FIG. 4 is a top view of the height limiting device;

fig. 5 is an enlarged view of the structure at a of fig. 4.

FIG. 6 is a schematic structural view of a buffer rod.

Fig. 7 is a schematic structural view of the detection plate.

In the figure: 1-a car unloading platform; 2-stand columns; 201-supporting sleeve; 202-supporting rods; 203-a hydraulic cylinder; 3-height limiting cross beams; 301-warning lights; 302-an indicator panel; 303-shaft sleeve; 4-a buffer rod; 401-cushion pad; 402-a first electrode; 403-a first slide bar; 404-a first limiting block; 405-slide hole; 406-a first spring; 5-detecting plate; 501-a second electrode; 502-a second limiting block; 503-a second slide bar; 504-a second spring; 6-alarm.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1, a height-limited rear-turning type unloading machine comprises an unloading platform 1, wherein the unloading platform 1 is positioned at the upper end of a base, one end of the unloading platform 1 is hinged with the base, a hydraulic system is connected between the unloading platform 1 and the base, the structure of the rear-turning type unloading machine is the prior art, the rest structure is not described in detail, and the height-limiting device connected at the front end of the unloading platform 1 is used for limiting the height of a truck on the basis of the prior rear-turning type unloading machine so as to ensure unloading safety.

As shown in fig. 2, the height limiting device comprises a supporting frame and a buffer rod 4, the supporting frame comprises a height limiting beam 3, two ends of the height limiting beam 3 are connected with a stand column 2 connected with the side wall of the unloading platform 1, one side of the height limiting beam 3 is slidably connected with a buffer rod 4 for preventing a vehicle, the lower end of the buffer rod 4 is flush with the bottom of the height limiting beam 3, after the vehicle exceeds the height limiting beam, the vehicle can be contacted with the buffer rod 4 in the moving process, the buffer rod 4 and the height limiting beam 3 can slide, so that equipment damage caused by direct rigid contact can be avoided, and after the vehicle collides with the buffer rod 4 in a contact mode, the vehicle stops, and the damage to the height limiting beam 3 can be avoided.

The upper end of the height limiting beam 3 is provided with a warning lamp 301 and an indication plate 302, and the indication plate 302 is marked with the height limiting height.

Because the vehicle length is different, its maximum inclination that allows also can be different, consequently, this application sets the height setting of limit for height device as adjustable, satisfies different user demands. As shown in fig. 3, the upright post 2 comprises a supporting sleeve 201 connected with the side wall of the unloading platform 1, the upper end of the supporting sleeve 201 is slidably connected with a supporting rod 202, a hydraulic cylinder 203 is connected between the bottom of the supporting rod 202 and the bottom of the supporting sleeve 201, and the height of the supporting rod 202 can be adjusted through the hydraulic cylinder 203, so that the adjustment of the height-limited transverse height is realized.

As shown in fig. 3-4, a shaft sleeve 303 is arranged on the height limiting beam 3, one side of the buffer rod 4 is connected with a first slide bar 403 in sliding fit with the shaft sleeve 303, one end of the first slide bar 403, which is far away from the buffer rod 4, is provided with a first limiting block 404, and a first spring 406 for connecting the height limiting beam 3 and the buffer rod 4 is sleeved on the first slide bar 403. When the vehicle contacts the buffer rod 4, the buffer rod 4 is pushed to compress the first spring 406, so that the buffer rod 4 slides, and the buffer rod 4 is prevented from being crashed by the vehicle. When the vehicle comes into contact with the buffer rod 4 and is driven off, the buffer rod 4 is reset by the first spring 406.

Because the freight train is bigger, probably there is the condition that vehicle and buffer rod 4 contacted, but the driver is unaware, consequently, just need have personnel to observe outside the car, in order to save personnel, increase the convenience that its limit height was reminded, be equipped with pick-up plate 5 in one side of buffer rod 4, be equipped with alarm 6 on the lateral wall of stand 2, can trigger alarm 6 through pick-up plate 5 and send alarm sound to remind the driver superelevation.

As shown in fig. 6-7, a sliding hole 405 is formed in the buffer rod 4, a second sliding rod 503 matched with the sliding hole 405 is formed in one side of the detection plate 5, a second limiting block 502 is arranged at one end, away from the detection plate 5, of the second sliding rod 503, a second spring 504 for connecting the detection plate 5 and the buffer rod 4 is sleeved on the second sliding rod 503, as shown in fig. 5, a first electrode 402 is arranged on the side wall of the buffer rod 4, a second electrode 501 matched with the first electrode 402 in a contact manner is arranged on the side wall of the detection plate 5, an alarm 6 is arranged on the side wall of the upright post 2, the first electrode 402 is electrically connected with the alarm 6, positive and negative electric shocks are arranged on the first electrode 402 and the second electrode 501, when a vehicle pushes the detection plate 5, the first electrode 402 is in contact with the second electrode 501, current is conducted, the alarm 6 gives out alarm sounds, and after the vehicle is away, the second spring 504 pushes the detection plate 5 away, the first electrode 402 is separated from the second electrode 501, the current is disconnected, and the alarm 6 stops sounding. Wherein the elastic force of the second spring 504 is smaller than that of the first spring 406, so that the second spring 504 is compressed first after being pushed by the vehicle.

The cushion 401 is provided on the side of the cushion rod 4 facing the detection plate 5, so that the impact force between the detection plate 5 and the cushion rod 4 can be reduced, thereby protecting the first electrode 402 and the second electrode 501.

When the vehicle height exceeds the limit height, the vehicle can be in contact with the detection plate 5 when backing up and entering the unloading platform 1, the detection plate 5 is pushed to enable the first electrode 402 to be in contact with the second electrode 501, the alarm 6 sounds to remind a driver, meanwhile, the buffer rod 4 can slide towards the height limiting beam 3, the damage of the detection plate 5 and the buffer rod 4 caused by the vehicle is avoided, after the driver knows the alarm sound, the vehicle is stopped and the vehicle is driven away from the unloading platform 1, and the buffer rod 4 and the detection plate 5 are reset under the action of the first spring 406 and the second spring 504.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims (7)

1. The utility model provides a take lift truck unloader that turns over behind limit for height, includes the platform of unloading, its characterized in that: the height limiting device comprises a supporting frame and a buffer rod, wherein the supporting frame comprises a height limiting beam, two ends of the height limiting beam are connected with stand columns connected with the side walls of the unloading platform, one side of the height limiting beam is slidably connected with a buffer rod for preventing vehicles, and the lower end of the buffer rod is flush with the bottom of the height limiting beam.

2. A height limited rear dump truck as set forth in claim 1 wherein: the upper end of the height limiting beam is provided with a warning lamp.

3. A height limited rear dump truck as set forth in claim 1 wherein: the stand includes the supporting sleeve of being connected with the platform lateral wall of unloading, the upper end sliding connection of supporting sleeve has the bracing piece, be connected with the pneumatic cylinder between the bottom of bracing piece and the bottom of supporting sleeve.

4. A height limited rear dump truck as set forth in claim 1 wherein: be equipped with the axle sleeve on the limit for height crossbeam, one side of buffer rod is connected with the first slide bar with axle sleeve sliding fit, the one end that the buffer rod was kept away from to first slide bar is equipped with first stopper, and the cover has the first spring of connection limit for height crossbeam and buffer rod on the first slide bar.

5. The height-limited rear dump truck of claim 4 wherein: one side of buffer rod is equipped with the pick-up plate, is equipped with the slide opening on the buffer rod, one side of pick-up plate be equipped with slide opening complex second slide bar, the one end that the pick-up plate was kept away from to the second slide bar is equipped with the second stopper, the cover has the second spring of connecting the pick-up plate and buffer rod on the second slide bar, is equipped with first electrode on the lateral wall of buffer rod, is equipped with on the lateral wall of pick-up plate with first electrode contact complex second electrode, be equipped with the siren on the lateral wall of stand, first electrode is connected with the siren electricity, the second electrode is connected with the power electricity.

6. A height limited rear dump truck as defined in claim 5 wherein: and a buffer pad is arranged on one side of the buffer rod, which faces the detection plate.

7. A height limited rear dump truck as set forth in claim 1 wherein: an indication plate is arranged at the upper end of the height limiting beam.

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