CN218198509U - Vehicle frame capable of being widened - Google Patents

Abstract

The utility model provides a can widen frame, relates to semitrailer technical field, and technical scheme is: the adjustable longitudinal beam comprises a longitudinal beam body, a plurality of outer track beams are arranged on the longitudinal beam body in a penetrating mode and are connected with inner track beams in an inner sliding mode, the end, far away from the longitudinal beam body, of each inner track beam is fixed with an edge longitudinal beam, and a telescopic device for adjusting the inner track beams to move is arranged on each edge longitudinal beam. The beneficial effects of this technical scheme are: when ultra-wide special goods are transported, the inner and outer embedded track beams can slide relatively through the hand-cranking assembly, so that the frame extends outwards; when the device is not transported or used, the device can be restored to the original basic state of the flat-bed semi-trailer, so that the low-flat-bed semi-trailer can be effectively widened when the device is used, the basic structure of the flat-bed semi-trailer is not changed when the device is not used, and the device has the advantages of simple structure, flexible and convenient use and low manufacturing cost.

Description

Vehicle frame capable of being widened

Technical Field

The utility model relates to a semitrailer technical field especially relates to a can widen frame.

Background

The low flatbed semitrailer is generally used for transporting heavy-duty automobiles, rail vehicles, mining machines, forestry machines, engineering machines and other heavy-duty goods, has a low center of gravity, good stability and safety, and strong capability of transporting ultrahigh goods and passing overhead obstacles, and is increasingly widely applied.

Because the size of the load goods that need transport, the volume is different, when using some large-scale goods of low flatbed semi-trailer transportation, perhaps need transport some bulky load goods, often need use the low flatbed semi-trailer who widens, but the low flatbed semi-trailer of widening at present only extends the automobile body of trailer and widens simply, and the manufacturing cost of this kind of flatbed trailer is high, and can not adapt to the transportation demand of different load goods, can not effectual performance low flatbed semi-trailer's transportation advantage.

Disclosure of Invention

The utility model aims at overcoming present low flatbed semitrailer when transporting some goods, the automobile body can not be according to the demand that the goods used, carries out the not enough of adjusting to the position of widening, and the frame can be widened to the one kind that provides.

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

the utility model provides a can widen frame, includes the longeron body, run through on the longeron body and be equipped with a plurality of outer track roof beams, it is a plurality of equal sliding connection has interior track roof beam in the outer track roof beam, the one end that the longeron body was kept away from to interior track roof beam is fixed with the limit longeron, be equipped with the telescoping device who adjusts interior track roof beam and remove on the longeron.

Through the arrangement of the telescopic device and the side longitudinal beams, the plurality of inner rail beams can synchronously move, and the goods can be placed in the later period conveniently

Preferably, the upper surfaces of the ends, close to the inner track beam, of the outer track beams are jointly fixed with an inner bottom plate pad beam, and the inner bottom plate pad beam and the longitudinal beam body are jointly fixed with an inner bottom plate.

The inboard bottom plate is dull and stereotyped setting, conveniently places the goods, and inboard bottom plate filler beam supports inboard bottom plate simultaneously.

Preferably, a plurality of outer side soleplate beams are jointly fixed on the inner track beams, and outer side soleplate beams are jointly fixed on the upper surfaces of the outer side soleplate beams.

The outside bottom plate pad beam guarantees that the height of outside bottom plate and the highly uniform of inboard bottom plate make things convenient for the later stage to place the goods.

Preferably, the number of the longitudinal beam bodies is two, the telescopic devices are fixedly connected with the side longitudinal beam, and the other ends of the telescopic devices are fixedly connected with the longitudinal beam body close to the side longitudinal beam.

According to the demand of goods, the distance between limit longeron and the longeron body is adjusted to the telescoping device, and the width that increases the automobile body is unloaded.

Preferably, the telescoping device includes threaded connection's lead screw and internal thread cover, the one end of lead screw with longeron body fixed connection, the lead screw other end is located the internal thread cover inside, the one end that the lead screw was kept away from to the internal thread cover rotates with the limit longeron to be connected and installs the crank.

The position of limit longeron is adjusted in the rotation of internal thread cover, sets up according to the size of goods.

Preferably, an inner flange is arranged at one end, located outside the inner thread sleeve, of the screw rod, the inner flange is fixedly connected with the longitudinal beam body, an outer flange is rotatably arranged at one end, far away from the screw rod, of the inner thread sleeve, the outer flange is fixedly connected with the side longitudinal beam, a through hole is formed in the middle of the outer flange, a through hole is formed in the middle of the crank, and the crank penetrates through the through hole and is connected with the inner thread sleeve.

The flange structure has increased the telescoping device both ends stress area, and the track roof beam removes in the convenient regulation, also is convenient for connect and dismantle.

Preferably, the inner flange plate is connected with the longitudinal beam body through a first bolt, and the outer flange plate is connected with the side longitudinal beam through a second bolt.

The setting of first bolt and second bolt can be adjusted according to the demand when using, makes things convenient for later stage installation and dismantlement.

Compared with the prior art, the beneficial effects of the utility model are that: when ultra-wide special goods are transported, the inner and outer embedded track beams can slide relatively through the hand-cranking assembly, and the outward extension of the frame is realized; when the device is not transported or used, the device can be restored to the original basic state of the flat-bed semi-trailer, so that the low-flat-bed semi-trailer can be effectively widened when the device is used, the basic structure of the flat-bed semi-trailer is not changed when the device is not used, and the device has the advantages of simple structure, flexible and convenient use and low manufacturing cost.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings required for use in the description will be briefly introduced below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic structural view of the inner track beam shifting out the outer track beam in the embodiment of the present invention.

Fig. 3 is a schematic structural view of the inner track beam not moved out in the embodiment of the present invention.

Fig. 4 is a schematic structural view of the connection between the inner track beam and the outer track beam according to the embodiment of the present invention.

Fig. 5 is a schematic structural view of a telescopic device according to an embodiment of the present invention.

In the figure: the longitudinal beam comprises a longitudinal beam body 1, an outer rail beam 2, an inner rail beam 3, a side longitudinal beam 4, a telescopic device 5, a crank 6, an inner side bottom plate 7, an outer side bottom plate 8, an inner side bottom plate pad beam 9, an outer side bottom plate pad beam 10, a first bolt 11, a first flat washer 12, a first nut 13, an inner flange 14, an inner thread sleeve 15, an outer flange 16 and a screw rod 17.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments, and obviously, the embodiments described below are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of this patent.

Referring to fig. 1-5, a can widen frame, including longeron body 1, run through on the longeron body 1 and be equipped with a plurality of outer track roof beams 2, outer track roof beam 2 is in the same place with longeron body 1 welding, equal sliding connection has interior track roof beam 3 in a plurality of outer track roof beams 2, the one end that longeron body 1 was kept away from to interior track roof beam 3 is fixed with limit longeron 4, be equipped with the telescoping device who adjusts interior track roof beam 3 removal on the limit longeron 4, through the setting of telescoping device and limit longeron 4, a plurality of interior track roof beams 3 synchronous motion in the messenger, make things convenient for the later stage to place the goods.

Referring to fig. 1-4, the upper surface that a plurality of outer track roof beams 2 are close to 3 one ends of interior track roof beam is fixed with inboard bottom plate pad roof beam 9 jointly, inboard bottom plate pad roof beam 9 supports the front portion of inboard bottom plate 7, be fixed with inboard bottom plate 7 jointly on inboard bottom plate pad roof beam 9 and the longeron body 1, place the goods on the inboard bottom plate 7, be fixed with a plurality of outside bottom plate pad roof beams 10 jointly on a plurality of interior track roof beams 3, the upper surface of a plurality of outside bottom plate pad roof beams 10 is fixed with outside bottom plate 8 jointly, outside bottom plate pad roof beam 10 guarantees that the height of outside bottom plate 8 and the highly uniform of inboard bottom plate 7, make things convenient for the later stage to place the goods.

Referring to fig. 1-5, the telescoping device includes can dismantle telescoping device 5 of connection on side longeron 4, longeron body 1 parallel arrangement has two, telescoping device 5 and side longeron 4 fixed connection, the other end of telescoping device and the longeron body 1 fixed connection who is close to side longeron 4, the distance between 5 regulation side longeron 4 and the longeron body 1 of telescoping device increases the width of automobile body.

Refer to fig. 2, 3 and 5, telescoping device 5 includes threaded connection's lead screw 17 and internal thread cover 15, lead screw 17 and internal thread cover 15 are threaded connection, when internal thread cover 15 rotates, internal thread cover 15 rotates on lead screw 17, 15 adjusting position of internal thread cover, the one end and 1 fixed connection of longeron body of lead screw 17, the lead screw 17 other end is located inside internal thread cover 15, the one end that lead screw 17 was kept away from to internal thread cover 15 rotates with limit longeron 4 and is connected and install crank 6, set up the opening on the crank 6, the position that internal thread cover 15 and crank 6 are connected sets up the connecting rod that corresponds with the opening, make things convenient for crank 6 control internal thread cover 15 to rotate, and crank 6 is easy to assemble and dismantle.

Refer to fig. 2, 3 and 5, the lead screw 17 is located the outside one end of internal thread cover 15 and is equipped with interior ring flange 14, interior ring flange 14 and longeron body 1 fixed connection, the one end that internal thread cover 15 kept away from lead screw 17 rotates installs outer ring flange 16, outer ring flange 16 and 4 fixed connection of limit longeron, outer ring flange 16 middle part is equipped with the through-hole, crank 6 penetrates this through-hole and is connected with internal thread cover 15, the ring flange structure, 5 both ends lifting surface area of telescoping device has been increased, conveniently adjust the removal of interior track roof beam 3, also be convenient for connect and dismantle, crank 6 drives internal thread cover 15 and rotates, thereby shift position on lead screw 17, adjust the position of internal thread cover 15 according to the size of goods.

Referring to fig. 2-3, the inner flange 14 is connected with the longitudinal beam body 1 through a first bolt 11, a first flat washer 12 and a first nut 13 are sequentially installed on the first bolt 11, the inner flange 14 is fixed on the longitudinal beam body 1 through the first bolt 11, later-stage installation and disassembly are facilitated, the outer flange 16 is connected with the longitudinal beam body 4 through a second bolt, a second washer and a second nut are installed on the second bolt, the outer flange 16 is fixed on the longitudinal beam body 4 through the second bolt, the second bolt is arranged, adjustment can be achieved according to requirements during use, and later-stage installation and disassembly are facilitated.

When the automobile body needs to be widened in the use process, the crank 6 is connected with the internal thread sleeve 15, the internal thread sleeve 15 is rotated through the crank 6, the internal thread sleeve 15 moves outwards under the action of the screw rod 17, the internal thread sleeve 15 rotates to drive the side longitudinal beam 4 to move, the side longitudinal beam 4 moves to pull the plurality of internal track beams 3 to move out of the external track beam 2, and the width of the frame is widened from narrow to wide, so that the cargo transportation range of the semitrailer is wider, the requirements of different transportation media on different frame widths are met, when the semitrailer is not used, the internal thread sleeve 15 is controlled to rotate through the crank 6, the internal track beams 3 move into the external track beams 2, meanwhile, the crank and the crank 6 are detachably connected, and the occupied space is reduced.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (7)

1. A frame capable of being widened is characterized in that: including longeron body (1), run through on longeron body (1) and be equipped with a plurality of outer track roof beams (2), it is a plurality of equal sliding connection has interior track roof beam (3) in outer track roof beam (2), the one end that longeron body (1) was kept away from in interior track roof beam (3) is fixed with limit longeron (4), be equipped with on limit longeron (4) and adjust telescoping device (5) that interior track roof beam (3) removed.

2. The widenable frame of claim 1, wherein: a plurality of the upper surfaces of the outer track beams (2) close to one end of the inner track beam (3) are jointly fixed with an inner bottom plate pad beam (9), and the inner bottom plate pad beam (9) and the longitudinal beam body (1) are jointly fixed with an inner bottom plate (7).

3. The widenable frame of claim 2, wherein: a plurality of outer side bottom plate pad beams (10) are jointly fixed on the inner track beams (3), and outer side bottom plates (8) are jointly fixed on the upper surfaces of the outer side bottom plate pad beams (10).

4. The widenable frame of claim 1, wherein: the side beam is characterized in that two longitudinal beam bodies (1) are arranged in parallel, the telescopic device (5) is fixedly connected with the side longitudinal beam (4), and the other end of the telescopic device (5) is fixedly connected with the longitudinal beam body (1) close to the side longitudinal beam (4).

5. The widenable frame of claim 4, wherein: telescoping device (5) are including threaded connection's lead screw (17) and internal thread cover (15), the one end of lead screw (17) with longeron body (1) fixed connection, lead screw (17) other end is located inside internal thread cover (15), the one end that lead screw (17) were kept away from in internal thread cover (15) rotates with limit longeron (4) to be connected and installs crank (6).

6. The widenable frame of claim 5, wherein: lead screw (17) are located the outside one end of internal thread cover (15) and are equipped with interior ring flange (14), interior ring flange (14) and longeron body (1) fixed connection, the one end that lead screw (17) were kept away from in internal thread cover (15) rotates installs outer ring flange (16), outer ring flange (16) and limit longeron (4) fixed connection, outer ring flange (16) middle part is equipped with the through-hole, crank (6) penetrate this through-hole and are connected with internal thread cover (15).

7. The widenable frame of claim 6, wherein: the inner flange (14) is connected with the longitudinal beam body (1) through a first bolt (11), and the outer flange (16) is connected with the side longitudinal beam (4) through a second bolt.

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