CN215793381U

CN215793381U - Semitrailer carriage unloads supporting equipment

Info

Publication number: CN215793381U
Application number: CN202121895141.6U
Authority: CN
Inventors: 王延安; 王树贵
Original assignee: Shandong Junteng Automobile Technology Co ltd
Current assignee: Shandong Junteng Automobile Technology Co ltd
Priority date: 2021-08-13
Filing date: 2021-08-13
Publication date: 2022-02-11
Anticipated expiration: 2031-08-13

Abstract

The utility model discloses a semitrailer carriage dismounting and supporting device which comprises a frame and a fastener arranged at the front end of the frame, wherein a supporting mechanism is arranged at the lower end of the frame, the supporting mechanism comprises two first mounting plates which are symmetrically and fixedly connected to the lower end of the frame, wheels are rotatably mounted on opposite sides of the two first mounting plates, a motor is embedded in the first mounting plate on the right side, a bidirectional threaded rod is fixedly connected to the output end of the motor, and the other end of the bidirectional threaded rod is rotatably connected with the first mounting plate on the left side. According to the utility model, the two nuts move back and forth through the rotation of the bidirectional threaded rod, the two nuts gradually expand the two oil cylinders to a vertical state through the telescopic piece, the oil cylinders gradually extend to enable the backing plate to be in contact with the ground to lift the whole frame, and the support mechanism and the frame are integrated, so that when the carriage is dismounted, the labor cost is saved, and the dismounting efficiency is improved.

Description

Semitrailer carriage unloads supporting equipment

Technical Field

The utility model relates to the technical field of semitrailers, in particular to a semitrailer carriage dismounting and supporting device.

Background

When the semitrailer locomotive unloads with the carriage, need use a plurality of jacks to carry out the lifting with the carriage front end and support to a take the altitude, pour the locomotive into below the carriage afterwards, both use the fastener to connect. The jack on the one hand needs to be equipped with in addition in order to take, and independent existence respectively with the carriage, and needs the manual operation, seeks to accomodate and unloads and all consume the certain time, unloads the dress efficiency lower.

To this end, we propose a semitrailer car unloading and supporting device to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a semitrailer carriage dismounting and supporting device to solve the problems in the background art.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a semitrailer carriage dismounting and supporting device comprises a frame and a fastener arranged at the front end of the frame, wherein the lower end of the frame is provided with a supporting mechanism, the supporting mechanism comprises two first mounting plates which are symmetrically and fixedly connected to the lower end of the frame, wheels are respectively and rotatably mounted on the opposite sides of the two first mounting plates, a motor is embedded in the first mounting plate on the right side, the output end of the motor is fixedly connected with a bidirectional threaded rod, the other end of the bidirectional threaded rod is rotatably connected with the first mounting plate on the left side, two nuts are symmetrically and fixedly connected to the bidirectional threaded rod, two second mounting plates are symmetrically and fixedly connected to the lower end of the frame, the second mounting plates are sleeved outside the bidirectional threaded rod, the lower end of each second mounting plate is rotatably connected with a rotating rod, a telescopic rod is fixedly connected to the other end of the rotating rod, and an oil cylinder is sleeved outside the telescopic rod in an axial sliding manner, and a telescopic piece is connected between the oil cylinder and the nut which are positioned on the same side.

Preferably, a through hole in clearance fit with the bidirectional threaded rod is formed in the second mounting plate.

Preferably, the lower end of the second mounting plate is provided with a limiting groove for the rotating rod to rotate from a vertical state to a horizontal state.

Preferably, one end of the oil cylinder, which is far away from the telescopic rod, is fixedly connected with a base plate.

Preferably, the extensible member includes the king-rod, the pole groove has all been seted up at the both ends of king-rod, other pole of sliding connection in the pole groove, two the one end that the king-rod was kept away from to other pole is articulated with frame, hydro-cylinder respectively, the common fixedly connected with spring of one end and the pole inslot wall that other pole is located the pole inslot.

Preferably, the number of the supporting mechanisms is two, belt pulleys are fixedly sleeved at corresponding positions of two-way threaded rods in the two supporting mechanisms, and synchronous belts are sleeved on the two belt pulleys in a tensioning mode.

Preferably, the cross section of the rod groove is square, and the side rod is a square rod

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

according to the utility model, the two nuts move back and forth through the rotation of the bidirectional threaded rod, the two nuts gradually expand the two oil cylinders to a vertical state through the telescopic piece, the oil cylinders gradually extend to enable the backing plate to be in contact with the ground to lift the whole frame, and the support mechanism and the frame are integrated, so that when the carriage is dismounted, the labor cost is saved, and the dismounting efficiency is improved.

Drawings

Fig. 1 is a schematic structural view of a semitrailer carriage unloading and supporting device provided by the utility model;

fig. 2 is an enlarged schematic view of a portion a in fig. 1.

In the figure: the device comprises a frame 1, a fastener 2, a first mounting plate 3, wheels 4, a bidirectional threaded rod 5, a motor 6, a second mounting plate 7, nuts 8, a rotating rod 9, a telescopic rod 10, an oil cylinder 11, a backing plate 12, a middle rod 13, a rod groove 14, a spring 15, a side rod 16, a belt pulley 17 and a synchronous belt 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-2, a semitrailer carriage dismounting and supporting device comprises a frame 1 and a fastener 2 arranged at the front end of the frame 1, the fastener 2 is prior art and will not be described herein, the lower end of the frame 1 is provided with a supporting mechanism, specifically, the supporting mechanism comprises two first mounting plates 3 symmetrically and fixedly connected to the lower end of the frame 1, the opposite sides of the two first mounting plates 3 are rotatably provided with wheels 4, the carriage is of a proper structure, the first mounting plate 3 at the right side is embedded with a motor 6, the output end of the motor 6 is fixedly connected with a bidirectional threaded rod 5, the other end of the bidirectional threaded rod 5 is rotatably connected with the first mounting plate 3 at the left side, the bidirectional threaded rod 5 is symmetrically and fixedly connected with two nuts 8, the lower end of the frame 1 is symmetrically and fixedly connected with two second mounting plates 7, and the second mounting plates 7 are sleeved outside the bidirectional threaded rod 5, a through hole which is in clearance fit with the two-way threaded rod 5 is arranged in the second mounting plate 7, the second mounting plate 7 can not influence the rotation of the two-way threaded rod 5, the lower end of the second mounting plate 7 is rotatably connected with a rotating rod 9, the lower end of the second mounting plate 7 is provided with a limiting groove for the rotating rod 9 to rotate from a vertical state to a horizontal state, the inner wall of the limiting groove can prop against the rotating rod 9 when rotating to the vertical state or the horizontal state, the other end of the rotating rod 9 is fixedly connected with a telescopic rod 10, an oil cylinder 11 is axially and slidably sleeved outside the telescopic rod 10, the telescopic rod 10 and the oil cylinder 11 form an oil cylinder in the prior art integrally, one end of the oil cylinder 11, which is far away from the telescopic rod 10, is fixedly connected with a backing plate 12 for contacting with the ground and protecting the ground, a telescopic piece is connected between the oil cylinder 11 and the nut 8 which are positioned on the same side, more specifically, the telescopic piece comprises a middle rod 13, and rod grooves 14 are arranged at two ends of the middle rod 13, other pole 16 of sliding connection in pole groove 14, the cross-section in pole groove 14 is square, other pole 16 is square pole, other pole 16 can not rotate in pole groove 14, sliding stability is higher, two other poles 16 keep away from the one end of king-rod 13 respectively with frame 1, hydro-cylinder 11 is articulated, other pole 16 is located the one end and the common fixedly connected with spring 15 of pole groove 14 inner wall in pole groove 14, the in-process that extends gradually in the length of extensible member, other pole 16 stretches out pole groove 14 gradually, spring 15 can make other pole 16 later stage reset gradually.

In the present invention, fig. 1 is used for explaining an initial state in which the front end of the frame 1 is not connected to the vehicle head, the oil cylinder 11 is in a horizontal state at this time, and when the carriage needs to be connected to the vehicle head, the front end of the frame 1 needs to be lifted, which is specifically as follows: thereby drive two nut 8 back of the body motion mutually through motor 6 drive two-way threaded rod 5, because extensible member self length can take place to stretch out and draw back, at the in-process of nut 8 motion, extensible member extends gradually and promotes hydro-cylinder 11 anticlockwise rotation, until bull stick 9 offsets with the inner wall of spacing groove, hydro-cylinder 11 at this moment is in vertical state, promote backing plate 12 through hydro-cylinder 11 and promote frame 1 to required height after contacting gradually, at this in-process, the one end of extensible member removes along with hydro-cylinder 11, the whole length of extensible member is elongated gradually again, the locomotive is poured the lower extreme of frame 1 and is connected through fastener 2, back reverse operation, alright resume to initial condition, this process reversible derivation reachs, do not explain here.

As an improvement, the number of the supporting mechanisms is two, belt pulleys 17 are fixedly sleeved at corresponding positions of the bidirectional threaded rods 5 in the two supporting mechanisms, synchronous belts 18 are sleeved on the two belt pulleys 17 in a tensioning mode, and other modes such as chain transmission can also be adopted for transmission.

In the utility model, the front end of the frame 1 can be lifted by one original supporting mechanism, but the frame 1 is in an inclined state integrally, so that the frame 1 can be lifted integrally for improving the stability, and therefore, two supporting mechanisms are set, and in the process of rotating one bidirectional threaded rod 5, the other bidirectional threaded rod 5 synchronously rotates through belt transmission.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a semitrailer carriage support equipment that unloads, includes frame (1) and sets up fastener (2) at frame (1) front end, its characterized in that: the lower extreme of frame (1) is equipped with supporting mechanism, supporting mechanism includes two first mounting panels (3) of symmetry fixed connection at the lower extreme of frame (1), two the back of the body one side of first mounting panel (3) all rotates and installs wheel (4), is located the right side first mounting panel (3) inlay and are equipped with motor (6), the output fixedly connected with two-way threaded rod (5) of motor (6), the other end of two-way threaded rod (5) rotates with first mounting panel (3) that are located the left and is connected, symmetrical threaded connection has two nuts (8) on two-way threaded rod (5), the lower extreme symmetry fixed connection of frame (1) has two second mounting panels (7), and second mounting panel (7) cover is established outside two-way threaded rod (5), the lower extreme of second mounting panel (7) rotates and is connected with bull stick (9), the other end fixedly connected with telescopic link (10) of bull stick (9), the outer axial slip cover of telescopic link (10) is equipped with hydro-cylinder (11), lies in same one side be connected with the extensible member between hydro-cylinder (11) and nut (8).

2. The semitrailer car unloading support apparatus of claim 1, wherein: and a through hole in clearance fit with the bidirectional threaded rod (5) is formed in the second mounting plate (7).

3. The semitrailer car unloading support apparatus of claim 1, wherein: and the lower end of the second mounting plate (7) is provided with a limiting groove for the rotating rod (9) to rotate to the horizontal state from the vertical state.

4. The semitrailer car unloading support apparatus of claim 1, wherein: one end of the oil cylinder (11) far away from the telescopic rod (10) is fixedly connected with a backing plate (12).

5. The semitrailer car unloading support apparatus of claim 1, wherein: the extensible member includes king-rod (13), pole groove (14) have all been seted up at the both ends of king-rod (13), sliding connection has other pole (16), two in pole groove (14) the one end of king-rod (13) is kept away from in other pole (16) is articulated with frame (1), hydro-cylinder (11) respectively, the one end that other pole (16) are located pole groove (14) and the common fixedly connected with spring (15) of pole groove (14) inner wall.

6. The semitrailer car unloading support apparatus of claim 1, wherein: the number of the supporting mechanisms is two, two bidirectional threaded rods (5) in the supporting mechanisms are fixedly sleeved with belt wheels (17) at corresponding positions, and the two belt wheels (17) are tensioned and sleeved with synchronous belts (18).

7. The semitrailer car unloading support apparatus of claim 5, wherein: the cross section of the rod groove (14) is square, and the side rod (16) is a square rod.