CN210555176U - Floor lifting mechanism - Google Patents

Abstract

The utility model discloses a floor lifting mechanism, which comprises a main carriage body and extension carriages, wherein the extension carriages are arranged on two sides of the main carriage body, the bottom of the main carriage body is provided with a lifting floor, the bottom of the extension carriage is provided with a carriage pulling floor, the carriage pulling floor is arranged on two sides of the lifting floor, and a lifting device is arranged below the lifting floor; the contact part of the lifting floor and the pull compartment floor is provided with a boss structure, the contact part of the pull compartment floor and the lifting floor is also provided with a boss structure, the two bosses are matched, and the contact surfaces of the two bosses are provided with buffer gaskets. By using the floor lifting mechanism, the floor can be lifted and lowered, the floor and the floors of the expanded carriages on the two sides keep the same plane, people in the vehicle can conveniently walk and work, and the convenience is improved.

Description

Floor lifting mechanism

Technical Field

The utility model relates to a repacking carriage field, concretely relates to floor elevating system.

Background

The expansion cabin (or the expansion van vehicle) is a motor vehicle, the two transverse sides of the carriage body can be extended to increase the use area of the carriage body when the motor vehicle parks, the main purpose of the motor vehicle is used for field work, and the motor vehicle can be used as a carriage body which needs a certain width in a conference room, a command office, a communication workstation, a medical ambulance and the like. The side cabin bodies on the two sides of the main cabin body need to be folded before the vehicle runs, so that the width of the vehicle is reduced, and the requirement of road running is met.

After the expanded carriage in the prior art is expanded, the carriage floors on two sides and the carriage floor in the middle form a step after the expansion, and the whole carriage floor is not in the same plane, so that the carriage is not convenient for personnel to move and is also not convenient for the fixation, installation and use of equipment and tools.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the to-be-solved technical problem of the utility model is to provide a floor elevating system can keep on the coplanar after the box extension.

In order to achieve the above purpose, the present invention is realized by the following technical solution: a floor lifting mechanism comprises a main carriage body and extension carriages, wherein the extension carriages are arranged on two sides of the main carriage body, a lifting floor is arranged at the bottom of the main carriage body, a carriage pulling floor is arranged at the bottom of the extension carriage body, the carriage pulling floor is arranged below the lifting floor, and a lifting device is arranged below the lifting floor.

When the carriage is expanded, the expanded carriage is pulled out from two sides of the main carriage body, and after the expanded carriage is pulled out, the lifting floor is lifted to the same height as the floor of the pulling carriage by using the lifting device, so that a flat floor is formed.

Above-mentioned floor elevating system's beneficial effect is: the floor of the whole carriage body is kept on the same plane, so that the personnel can conveniently move and work in the expanded carriage, and the problem of the smoothness of the floor after the carriage body is expanded is solved.

Further, elevating gear includes lift and motor, lift and motor are fixed to be set up in the lifting floor below, the lift is connected with the motor, the motor can drive the lift and be the elevating movement, the top of lift is connected with the lifting floor.

The motor is started, the motor drives the elevator to do lifting motion, and the elevator drives the lifting floor to do lifting motion.

Further, elevating gear still includes the transmission shaft, the transmission shaft sets up along the axial on lift floor, the one end of transmission shaft is connected with the motor through the lift, the other end of transmission shaft also is connected with the lift, the motor can pass through the lift of transmission shaft drive other end.

One elevator easily causes the problem of uneven stress, so two elevators are arranged along the axial direction of the lifting floor, and the motor can drive the elevator at the other end through the transmission shaft, so that the elevators at two ends can be lifted synchronously.

Further, the transmission shaft is connected with the elevator through a coupler.

The shaft coupling plays an overload protection role in the lifter and the transmission shaft.

Furthermore, the lift far away from the motor is also connected with a manual rocking handle, and the manual rocking handle can drive the lift to do lifting motion.

When the motor breaks down, the lifter and the transmission shaft can be driven through the manual rocking handle, so that the lifters at the two ends can do lifting motion, and the motor is suitable for emergency situations.

Furthermore, a boss structure is arranged at the contact part of the lifting floor and the pull compartment floor, a boss structure is also arranged at the contact part of the pull compartment floor and the lifting floor, the two bosses are matched, and buffer gaskets are arranged on the contact surfaces of the two bosses.

When the carriage is moved to the same height, the lug bosses at the contact positions of the carriage floor and the lifting floor are matched with each other to form limiting, so that the carriage floor and the lifting floor are ensured to be on the same horizontal plane.

Furthermore, the lifting floor further comprises guide posts, wherein the guide posts are fixedly arranged at four corners of the main compartment body, guide holes are formed in the four corners of the lifting floor, and the guide posts are connected with the guide holes in a sliding mode.

When the lifting floor goes up and down, in order to ensure the smoothness after lifting, the guide posts and the guide holes are used for limiting, so that the lifting floor can only go up and down along the vertical direction, and the deviation can not occur.

Drawings

FIG. 1 is a schematic structural view of the utility model with the compartment not expanded;

fig. 2 is a schematic structural view of the expanded carriage of the present invention;

FIG. 3 is a schematic view of the boss structure of the present invention;

fig. 4 is a side view of the lifting device of the present invention;

fig. 5 is a top view of the lifting device of the present invention;

fig. 6 is a partial schematic view of the lifting device of the present invention;

fig. 7 is a partial schematic view of the lifting device of the present invention;

reference numerals: 100-main compartment body, 110-extension compartment, 200-lifting floor, 210-pulling compartment floor, 230-boss, 300-lifting device, 310-motor, 320-lifter, 330-coupler, 340-transmission shaft, 350-manual crank and 360-guide column.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby. In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced components or structures must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be considered as limiting the present invention.

Referring to fig. 1 to 7, the present invention provides a floor lifting mechanism, which includes a main compartment body 100 and an extension compartment 110, wherein the extension compartment 110 is disposed on two sides of the main compartment body 100, and can be extended and extended outward, the floor of the main compartment body 100 is a lifting floor 200, the floor of the extension compartment 110 is a pulling floor 210, a lifting device 300 is disposed below the lifting floor 200, and when the extension compartment 110 is pulled to two sides, the lifting floor 200 is lifted, so that the floor of the main compartment body 100 and the floor of the extension compartment 110 are maintained on the same plane, thereby facilitating work and movement of people in the vehicle.

Specifically, as shown in fig. 1 and 2, in the present embodiment, when the expansion compartment 110 is not expanded, the pull compartment floor 210 is located below the lift floor 200, and when the expansion compartment 110 is opened, the pull compartment floor 210 is pulled to both sides, and the middle lift floor 200 is driven by the lift device 300 to move downward, so as to form a flat floor together with the pull compartment floor 210.

As shown in fig. 3, the contact part of the lifting floor 200 and the pull compartment floor 210 is provided with a boss 230 structure, the two boss 230 structures are mutually matched, and the boss 230 is provided with a buffer gasket, so that when the lifting floor 200 descends, the two bosses 230 are contacted, a limiting effect can be achieved, the pull compartment floors 210 on two sides are prevented from falling outwards, the floors in the vehicle compartment can be always positioned on a plane, and the movement of people in the vehicle is facilitated.

Specifically, as shown in fig. 4 to 7, the lifting device 300 includes a motor 310, a lift 320, a transmission shaft 340, a coupling 330, and a manual crank 350, the transmission shaft 340 is disposed along the axial direction of the lifting floor 200, both ends of the transmission shaft 340 are connected to the lift 320 through the coupling 330, the lift 320 on the right side in the figure is connected to the motor 310, the motor 310 is fixedly disposed at the bottom of the main compartment body 100, the lift 320 on the left side is connected to the manual crank 350, and both lifts 320 are connected to the lifting floor 200.

In this embodiment, the elevator 320 is a screw elevator, and after the motor 310 drives the elevator 320, the motor 310 is fixedly disposed, so that the screw of the elevator 320 moves linearly up and down to drive the lifting floor 200 to move linearly up and down. When the motor 310 drives the right elevator 320, the transmission shaft 340 is driven to rotate together, and the transmission shaft 340 drives the left elevator 320 to move up and down, so that the elevators 320 at the two ends are lifted and lowered synchronously. When the motor 310 fails, the manual crank 350 can be used for emergency, and the left lifter 320 is driven to move by driving the manual crank 350 and the transmission shaft 340 is driven to drive the right lifter 320 to move together. The coupling 330 is used to connect the transmission shaft 340 and the elevator 320, and serves to provide transmission and overload protection.

The axially disposed elongated lifters 300 provide more stable support for the single lifter 320, preventing the floor from falling over, and in other embodiments, two sets of lifters 300 may be disposed on two sides of the bottom of the lifting floor 200, respectively, to provide more stable support.

Specifically, all be equipped with the guiding hole on four angles on lifting floor 200, be equipped with guide post 360 in the guiding hole, guide post 360 and guiding hole sliding connection, the lower extreme of guide post 360 is fixed in main railway carriage or compartment body 100 bottom, when lifting floor 200 up-and-down motion, slides on guide post 360 promptly, and guide post 360 can carry on spacingly to lifting floor 200, makes it only can follow vertical direction motion, can not appear the deviation, empty the situation such as.

The working principle of the floor lifting mechanism is as follows: when the carriage is expanded, after the expanded carriage and the pull carriage floor 210 are pulled to two sides, the motor 310 is started, the motor 310 drives the elevator 320, the elevator 320 drives the lifting floor 200 of the main carriage body 100 to descend to the same height as the pull carriage floors 210 on the two sides, and the structure of the boss 230 can keep the pull carriage floor 210 and the lifting floor 200 on the same plane. After use, the motor 310 is restarted to raise the elevator floor 200, push the expanded car into the main car body 100, and push the car floor 210 below the elevator floor 200. If the motor 310 is damaged, the lifting floor 200 may be raised and lowered using the manual crank 350.

Use above-mentioned floor elevating system can solve the planarization problem on carriage extension back floor, make things convenient for personnel in the carriage to walk about and work, put erection equipment etc to the floor goes up and down to stabilize, can not topple over to the side, situation such as deviation appears, still is equipped with emergency measures, easy operation, economical and practical.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (7)

1. A floor lifting mechanism comprises a main carriage body and extension carriages, wherein the extension carriages are arranged on two sides of the main carriage body, and the floor lifting mechanism is characterized in that a lifting floor is arranged at the bottom of the main carriage body, a carriage pulling floor is arranged at the bottom of the extension carriage body, the carriage pulling floor is arranged on two sides of the lifting floor, and a lifting device is arranged below the lifting floor.

2. The floor lifting mechanism according to claim 1, wherein the lifting device comprises a lifter and a motor, the lifter and the motor are fixedly arranged below the lifting floor, the lifter is connected with the motor, the motor can drive the lifter to perform lifting movement, and the top end of the lifter is connected with the lifting floor.

3. The floor lifting mechanism according to claim 2, wherein the lifting device further comprises a transmission shaft, the transmission shaft is arranged along the axial direction of the lifting floor, one end of the transmission shaft is connected with a motor through a lifter, the other end of the transmission shaft is also connected with the lifter, and the motor can drive the lifter at the other end through the transmission shaft.

4. A floor lifting mechanism as claimed in claim 3, wherein the drive shaft is connected to the elevator via a coupling.

5. The floor lifting mechanism of claim 3, wherein the lift remote from the motor is further connected with a manual rocking handle, and the manual rocking handle can drive the lift to perform lifting movement.

6. The floor lifting mechanism of claim 1, wherein the lifting floor has a boss structure at the contact part with the pull compartment floor, the pull compartment floor also has a boss structure at the contact part with the lifting floor, the two bosses are matched, and the contact surfaces of the two bosses are provided with buffer gaskets.

7. The floor lifting mechanism according to claim 1, further comprising guide posts fixedly disposed at four corners of the main compartment body, wherein the four corners of the lifting floor are provided with guide holes, and the guide posts are slidably connected with the guide holes.

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