CN220448137U - Self-braking flat car with damping function - Google Patents

Abstract

The utility model discloses a self-braking flat car with a shock absorption function, which comprises a car body and a traction rod, wherein the car body is movably connected with the traction rod, an automatic braking mechanism is further arranged on the car body, the automatic braking mechanism is arranged between the car body and the traction rod, the automatic braking mechanism comprises a braking mechanism and a touch mechanism, the braking mechanism is movably connected with the touch mechanism, and the braking mechanism is in contact with the car body based on the abutting of the traction rod and the touch mechanism, so that braking is realized. The utility model has simple and convenient use, does not need redundant operation, and can realize self-braking after the traction rod is unhooked, so that the flat car is decelerated, and the damage to personnel and property caused by collision is avoided.

Description

Self-braking flat car with damping function

Technical Field

The utility model relates to the technical field of flat cars, in particular to a self-braking flat car with a damping function.

Background

The statements in this section merely provide background information related to the present disclosure and may not constitute prior art.

Airport mainly uses flatbed transportation passenger luggage and the goods etc. of aircraft transportation, and the flatbed is connected to the trailer through the traction lever mainly, applys power transportation goods through the trailer, and for convenient dismantlement, the traction lever is detachable with the connection of trailer, for example prior art CN215436601U discloses a flatbed, this makes the flatbed probably appear unexpected unhook condition in the transportation, the flatbed after unhooking will continue to slide forward owing to inertia, probably collide aircraft and crew member, endanger aircraft flight safety and staff personal safety, in addition, luggage and goods etc. on the flatbed also suffer damage, lead to the benefit of passenger impaired.

Disclosure of Invention

The utility model aims at: aiming at the use safety problem of the existing flat car, the self-braking flat car with the shock absorption function is provided, and the damage caused by inertial collision of an airplane and personnel after unhooking of the flat car is avoided.

The technical scheme of the utility model is as follows:

the self-braking flat car with the shock absorption comprises a car body and a traction rod, wherein the car body is movably connected with the traction rod, an automatic braking mechanism is further arranged on the car body, the automatic braking mechanism is arranged between the car body and the traction rod,

the automatic braking mechanism comprises a braking mechanism and a touch mechanism, the braking mechanism is movably connected with the touch mechanism, and the braking mechanism contacts with the vehicle body based on the abutting of the traction rod and the touch mechanism to realize braking.

According to a preferred embodiment, the triggering mechanism comprises a guiding component which penetrates through the braking mechanism to be movably connected with the braking mechanism, and the braking mechanism can move along the guiding component relative to the triggering mechanism.

According to a preferred embodiment, the guiding component comprises a U-shaped fixing support and a guiding rod, two ends of the guiding rod are respectively connected with two ends of the U-shaped fixing support, and the guiding rod penetrates through the braking mechanism to be movably connected with the braking mechanism, so that the braking mechanism can slide along the guiding rod.

According to a preferred embodiment, the triggering mechanism further comprises a first force application structure and a second force application structure which are respectively arranged at two sides of the braking mechanism, and the braking mechanism changes the relative position of the braking mechanism and the vehicle body based on the force applied by the first force application structure and the second force application structure.

According to a preferred embodiment, the first force application structure is a first elastic member, the elastic member is disposed on a first side surface of the brake mechanism, and two ends of the first elastic member respectively abut against the first side surface and the U-shaped fixing support.

According to a preferred embodiment, the second force application structure is a brake ejector rod, the brake ejector rod is arranged on the second side surface of the brake mechanism, the first end of the brake ejector rod abuts against the second side surface of the brake mechanism, the second end of the brake ejector rod penetrates through the U-shaped fixing support to be movably connected with the U-shaped fixing support, when the traction rod is unhooked, the traction rod falls down, the traction rod abuts against the brake ejector rod to further push the brake mechanism, the elastic piece is compressed, and the brake mechanism moves to contact with the vehicle body to brake the vehicle body.

According to a preferred embodiment, the first elastic member is a spring.

According to a preferred embodiment, the vehicle body comprises a frame, a front wheel and a rear wheel, and the brake mechanism is arranged close to the front wheel.

According to a preferred embodiment, the braking mechanism comprises a braking rod and braking plates arranged at two ends of the braking rod, wherein the braking plates are arranged at positions corresponding to front wheels at two sides.

Preferably, the braking vane is arranged in an arc shape so as to increase the contact between the braking vane and the wheel, thereby improving the braking effect. Preferably, the braking vane is made of rubber materials so as to increase friction between the braking vane and the wheels and improve braking effect.

According to a preferred embodiment, the traction rod comprises a rod body and a traction head, which are movably connected by means of an inertial damping member.

According to a preferred embodiment, the inertial damping structure comprises a front limiting plate, a rear limiting plate and a second elastic piece, the traction head part extends into the rod body, the rear limiting plate is arranged on the traction head extending into the rod body, the front limiting plate is arranged on the rod body, and the second elastic piece is arranged between the rear limiting plate and the front limiting plate.

According to a preferred embodiment, the traction rod is further provided with a manual parking mechanism, and the manual parking mechanism comprises a fixing mechanism for fixing the traction rod to be vertical and a stopping mechanism for braking wheels, and the stopping mechanism has the same structure as the automatic braking mechanism.

According to a preferred embodiment, the stop mechanism is arranged above the automatic braking mechanism, and the traction rod is connected between the stop mechanism and the automatic braking mechanism.

According to a preferred embodiment, the fixing mechanism comprises a first connecting piece arranged on the stopping mechanism and a second connecting piece arranged on the traction rod, wherein the first connecting piece and the second connecting piece are selectively connected so that the traction rod can be kept vertical and further abut against a brake ejector rod of the stopping mechanism, and a brake assembly of the stopping mechanism is in contact with the front wheel to keep a parking state.

According to a preferred embodiment, the first connecting piece is a hanging buckle, the second connecting piece is a locking pedal which penetrates through the traction rod and is pivotally connected with the traction rod, one end of the locking pedal is provided with a hook body matched with the hanging buckle, the other end of the locking pedal is provided with a pedal,

the second connecting piece is close to one side of the pedal and is connected with the traction rod through the third elastic piece, and the hook body of the locking pedal is stably connected with the hanging buckle by means of the pulling force of the third elastic piece and the weight of the traction rod, so that the contact between the traction rod and a brake ejector rod of the brake mechanism is continuously maintained.

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

1. through the arrangement of the automatic braking component, when the pallet is unhooked, the traction rod can also be abutted against the touch component so as to drive the braking component to be in contact with wheels, and the pallet is braked, so that the danger caused by the sliding collision of the pallet in an airport is avoided, and the running safety degree of the pallet is improved;

2. a self-braking flat car with damping function is characterized in that the elastic movable connection of a traction head and a rod body can provide buffering for the inertial action of the flat car in the acceleration and deceleration processes of the running process, on one hand, the abrasion of the traction head caused by acceleration and deceleration and the collision to a locomotive head can be reduced, on the other hand, the damping function is provided for the whole car in the horizontal direction, and the damage of the inertial action to instrument equipment or passenger baggage and the like on the flat car is reduced.

3. The self-braking flat car with the damping function is simple in design structure and low in maintenance cost.

Drawings

FIG. 1 is a schematic view of an operating condition of a self-braking damped flatbed;

FIG. 2 is a schematic view of the overall structure of a self-braking damped flatbed;

FIG. 3 is a schematic illustration of an automatic braking mechanism for a self-braking damped flatbed;

FIG. 4 is a schematic illustration of a brake mechanism for a self-braking damped flatbed;

FIG. 5 is a schematic drawing of a drawbar configuration for a self-braking damped flatbed;

FIG. 6 is a schematic illustration of a parking condition of a self-braking damped flatbed;

fig. 7 is a schematic view showing a self-braking state of a self-braking flat car with shock absorption.

Reference numerals: 100-trailer, 200-vehicle body, 210-frame, 220-front wheel, 230-rear wheel, 300-traction rod, 310-rod body, 311-front limiting plate, 312-extension part, 320-traction head, 321-rear limiting plate, 330-second elastic piece, 400-automatic braking mechanism, 410-braking mechanism, 411-first side, 412-second side, 413-braking rod, 414-braking plate, 421-U-shaped fixed support, 422-guide rod, 423-first force application structure, 424-second force application structure, 425-second end, 500-manual parking mechanism, 511-first connecting piece, 512-second connecting piece, 520-stop mechanism.

Detailed Description

It is noted that relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The features and capabilities of the present utility model are described in further detail below in connection with examples.

Example 1

Please refer to fig. 1-7.

As shown in fig. 1, a self-braking flat car with shock absorption comprises a car body 200 and a traction rod 300, wherein a trailer 100 is connected with the traction rod 300, the traction rod 300 is connected with the car body 200, and the trailer 100 applies power to drive the car body 200 and cargoes carried by the flat car to move, but the traction rod 300 is easy to unhook due to cornering, collision caused by frequent acceleration and deceleration, and the like. In order to reduce the influence caused by unhooking, the present application movably connects the vehicle body 200 with the traction rod 300, the vehicle body 200 is further provided with an automatic braking mechanism 400, and the automatic braking mechanism 400 is disposed between the vehicle body 200 and the traction rod 300. Through the setting of automatic brake mechanism 400 for even the flatbed unhooking, it also can slow down by oneself, avoids bumping, reduces the loss, reduces the risk.

According to a preferred embodiment, the vehicle body 200 includes a frame 210, a front wheel 220, and a rear wheel 230, and the brake assembly is disposed adjacent to the front wheel 220.

According to a preferred embodiment, the automatic braking mechanism 400 includes a braking mechanism 410 and a triggering mechanism, the braking mechanism 410 is movably connected with the triggering mechanism, and the braking mechanism 410 can slide relative to the triggering mechanism so as to change the position relationship with the vehicle body 200, that is, whether the braking mechanism contacts with the front wheel 220 of the flat car. The brake mechanism 410 is brought into contact with the vehicle body 200 based on the abutment of the traction lever 300 with the trigger mechanism to effect braking.

The arrangement mode does not need to manually perform additional operation, the braking can be realized by utilizing the gravity of the traction rod 300, the condition that the braking is invalid due to accidents is not easy to occur, when the traction rod 300 is unhooked, the traction rod 300 can drop downwards due to the gravity of the traction rod 300, and in this state, as shown in fig. 5 and 7, the extension part 312 of the traction rod 300 can abut against the touch mechanism, and further the braking is triggered, so that the effect of automatically braking the flat car is realized.

According to a preferred embodiment, the triggering mechanism comprises a guiding component, the guiding component passes through the braking mechanism 410 and is movably connected with the braking mechanism 410, and the braking mechanism 410 can move along the guiding component relative to the triggering mechanism. The guiding component comprises a U-shaped fixing support 421 and a guiding rod 422, two ends of the guiding rod 422 are respectively connected with two ends of the U-shaped fixing support 421, and the guiding rod 422 penetrates through the braking mechanism 410 to be movably connected with the braking mechanism 410, so that the braking mechanism 410 can slide along the guiding rod 422. Preferably, the number of the guide rods 422 is two.

According to a preferred embodiment, the trigger mechanism further includes a first force applying structure 423 and a second force applying structure 424 disposed on both sides of the brake mechanism 410, respectively, and the brake mechanism 410 changes a relative position with the vehicle body 200 based on the forces applied by the first force applying structure 423 and the second force applying structure 424.

Preferably, the first force applying structure 423 is a first elastic member, the first elastic member is disposed on the first side 411 of the brake mechanism 410, and two ends of the first elastic member respectively abut against the first side 411 and the U-shaped fixing bracket 421. Preferably, the first elastic member is a spring.

According to a preferred embodiment, the second force application structure 424 is a brake jack, the brake jack is disposed on the second side 412 of the brake mechanism 410, a first end of the brake jack abuts against the second side 412 of the brake mechanism 410, a second end 425 of the brake jack passes through the U-shaped fixing bracket 421 and is movably connected with the U-shaped fixing bracket 421, when the traction rod 300 is unhooked, the traction rod 300 falls down, the traction rod 300 abuts against the brake jack, and thus, an end of the brake jack contacting the second side of the brake mechanism 410 pushes the brake mechanism 410, the first elastic member is compressed, and the brake mechanism 410 moves to contact the vehicle body 200, thereby braking the vehicle body 200. The first elastic member of an appropriate specification is selected according to the size of the specification of the flatbed and the weight of the drawbar 300.

Based on the thrust of the traction rod 300 to the brake ram after falling down due to gravity against the second end 425 of the brake ram, the spring is compressed, and the brake mechanism 410 moves towards the wheel of the vehicle body 200, then abuts against the wheel, so that the friction force of the wheel movement is increased, the vehicle body 200 which continues to move due to inertia after unhooking is decelerated, and the movement is stopped.

According to a preferred embodiment, the braking mechanism 410 includes a braking lever 413 and braking plates 414 disposed at both ends of the braking lever 413, and the braking plates 414 are disposed corresponding to positions of the front wheels 220 at both sides. Preferably, the braking vane 414 is configured in an arc shape to increase the contact between the braking vane 414 and the wheel, thereby enhancing the braking effect. Preferably, the braking plate 414 is made of rubber, so as to increase friction between the braking plate 414 and the wheel and improve braking effect.

According to a preferred embodiment, as shown in fig. 5, the traction rod 300 includes a rod body 310 and a traction head 320, and the rod body 310 and the traction head 320 are movably connected through an inertial damping member. The inertial damping member comprises a front limiting plate 311, a rear limiting plate 321 and a second elastic piece 330, and the traction head 320 partially extends into the rod body 310. The rear limiting plate 321 is arranged on the traction head 320 extending into the rod body 310; the front limiting plate 311 is disposed on the rod 310, and the second elastic member 330 is disposed between the rear limiting plate 321 and the front limiting plate 311. When the vehicle starts or accelerates, the trailer 100 applies a pulling force to the pulling head 320, and at this time, the pulling head 320 drives the rear limiting plate 321, and the rear limiting baffle compresses the spring to play a buffering role; when braking or decelerating, the traction head 320 drives the rear limiting plate 321 to stretch the spring, and also plays a role in buffering during braking or decelerating.

According to a preferred embodiment, the traction lever 300 is further provided with an artificial parking mechanism 500, and the artificial parking mechanism 500 includes a fixing mechanism for fixing the traction lever 300 to be vertical and a stopping mechanism 520 for braking wheels, and the stopping mechanism 520 has the same structure as the automatic braking mechanism 400.

According to a preferred embodiment, as shown in fig. 2, the manual parking mechanism 500 is disposed above the automatic braking mechanism 400, and the traction lever 300 is connected between the manual parking mechanism 500 and the automatic braking mechanism 400.

According to a preferred embodiment, as shown in fig. 2, 4 and 6, the fixing mechanism includes a first connector 511 provided on the stopping mechanism 520 and a second connector 512 provided on the traction rod 300, and the first connector 511 and the second connector 512 are selectively connected so that the traction rod 300 can be kept upright and thus abut against a brake post rod of the stopping mechanism 520, so that a brake assembly of the stopping mechanism 520 contacts the front wheel 220 to maintain a parking state.

According to a preferred embodiment, as shown in fig. 4, the first connecting member 511 is a hanging buckle, the second connecting member 512 is a locking pedal that penetrates through the traction rod 300 and is pivotally connected to the traction rod 300, one end of the locking pedal is provided with a hook body matched with the hanging buckle, the other end of the locking pedal is provided with a pedal, one side, close to the pedal, is connected to the traction rod 300 through a third elastic member, and the hook body of the locking pedal is stably connected to the hanging buckle by means of the tension of the third elastic member, so that the contact between the traction rod 300 and a brake ejector rod of the brake mechanism is continuously maintained, and the vehicle body 200 is continuously braked.

The foregoing examples merely represent specific embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the present application. It should be noted that, for those skilled in the art, several variations and modifications can be made without departing from the technical solution of the present application, which fall within the protection scope of the present application.

This background section is provided to generally present the context of the present utility model and the work of the presently named inventors, to the extent it is described in this background section, as well as the description of the present section as not otherwise qualify as prior art at the time of filing, are neither expressly nor impliedly admitted as prior art against the present utility model.

Claims (10)

1. The self-braking flat car with the shock absorption is characterized by comprising a car body (200) and a traction rod (300), wherein the car body (200) is movably connected with the traction rod (300), an automatic braking mechanism (400) is further arranged on the car body (200), the automatic braking mechanism (400) is arranged between the car body (200) and the traction rod (300),

the automatic braking mechanism (400) comprises a braking mechanism (410) and a touch mechanism, the braking mechanism (410) is movably connected with the touch mechanism, and the braking mechanism (410) is contacted with the vehicle body (200) based on the abutting of the traction rod (300) and the touch mechanism, so that braking is realized.

2. The self-braking damped flatbed of claim 1, wherein the triggering mechanism comprises a guiding component, the guiding component passes through the braking mechanism (410) and is movably connected with the braking mechanism (410), and the braking mechanism (410) can move along the guiding component relative to the triggering mechanism.

3. The self-braking damped flatbed according to claim 2, wherein the trigger mechanism further comprises a first force applying structure (423) and a second force applying structure (424) disposed on both sides of the brake mechanism (410), respectively, the brake mechanism (410) changing the relative position with the body (200) based on the forces applied by the first force applying structure (423) and the second force applying structure (424).

4. A self-braking damped flatbed according to claim 3, wherein said first force applying structure (423) is a first elastic element arranged on a first side (411) of said braking mechanism (410),

the second force application structure (424) is a brake jack, the brake jack is arranged on a second side (412) of the brake mechanism (410),

based on the abutting of the traction rod (300) and the brake ejector rod, the brake mechanism (410) is in contact with the vehicle body (200) to realize braking.

5. The self-braking damped flatbed of claim 4, wherein the first and second force applying structures (423, 424) are respectively connected with the guide member,

the guide component comprises a U-shaped fixed support (421) and a guide rod (422), wherein two ends of the guide rod (422) are respectively connected with two ends of the U-shaped fixed support (421), and the guide rod (422) penetrates through the brake mechanism (410) to be movably connected with the brake mechanism (410), so that the brake mechanism (410) can slide along the guide rod (422);

two ends of the first elastic piece respectively lean against the first side face (411) and the U-shaped fixed bracket (421);

the first end of the brake ejector rod abuts against the second side face (412) of the brake mechanism (410), and the second end (425) penetrates through the U-shaped fixing support (421) to be movably connected with the U-shaped fixing support (421).

6. The self-braking damping flatbed according to claim 1, wherein the braking mechanism (410) comprises a braking rod (413) and braking plates (414) arranged at two ends of the braking rod (413), and the braking plates (414) are arranged at positions corresponding to front wheels (220) at two sides.

7. The self-braking damped flatbed of claim 1, wherein the traction lever (300) comprises a lever body (310) and a traction head (320), the lever body (310) and the traction head (320) being movably connected by an inertial damping member.

8. The self-braking damped flatbed according to claim 7, wherein the inertial damping member comprises a front limiting plate (311), a rear limiting plate (321) and a second elastic element (330), the traction head (320) partially extends into the rod body (310), the rear limiting plate (321) is disposed on the traction head (320) extending into the rod body (310), the front limiting plate (311) is disposed on the rod body (310), and the second elastic element (330) is disposed between the rear limiting plate (321) and the front limiting plate (311).

9. The self-braking damped flatbed according to claim 1, wherein the traction lever (300) is further provided with a manual parking mechanism (500),

the manual parking mechanism (500) includes a fixing mechanism for fixing the traction rod (300) to remain upright and a stopping mechanism (520) for braking the wheels,

the stopping mechanism (520) has the same structure as the automatic braking mechanism (400);

the fixing mechanism comprises a first connecting piece (511) arranged on the stopping mechanism (520) and a second connecting piece (512) arranged on the traction rod (300), wherein the first connecting piece (511) and the second connecting piece (512) are selectively connected so that the traction rod (300) can be kept vertical, and then the traction rod (300) can be abutted against a brake ejector rod of the stopping mechanism (520), so that a brake assembly of the stopping mechanism (520) is contacted with the vehicle body (200) to keep a parking state.

10. The self-braking damped flatbed according to claim 9, characterized in that said first connecting element (511) is a clasp, said second connecting element (512) is a locking pedal pivotally connected to said traction lever (300) through said traction lever (300),

one end of the locking pedal is provided with a hook body matched with the hanging buckle, the other end is provided with a pedal,

the second connecting piece (512) is close to one side of the pedal and is connected with the traction rod (300) through a third elastic piece, and the hook body of the locking pedal is stably connected with the hanging buckle by means of the pulling force of the third elastic piece and the weight of the traction rod (300).