CN115009382A - Semitrailer bearing surface width adjusting device - Google Patents

Abstract

The utility model provides a semitrailer loading surface width adjustment device, width adjustment device uses with the semitrailer cooperation, include: the bearing mechanism comprises a main bearing platform and an auxiliary bearing platform; one end of the hand-operated spiral telescopic rod is fixedly connected with the main bearing table, the other end of the hand-operated spiral telescopic rod is fixedly connected with the auxiliary bearing table, and the telescopic motion of the hand-operated spiral telescopic rod is used for driving the auxiliary bearing table to be drawn out or retracted relative to the main bearing table; stop gear, including spacing bent plate and stopper, the stopper set firmly in on the hand spiral telescopic link, the one end of spacing bent plate with main plummer fixed connection, the other end is in the hand spiral telescopic link carries out the concertina movement in-process, with the stopper is relative or the counterbalance setting. The width of the bearing surface of the semitrailer can be adjusted, the width of the semitrailer can be adjusted correspondingly according to the width of goods, effective locking of different widths of the bearing surface can be achieved, the structure is simple, the stability is high, and the semitrailer can be used under severe working conditions.

Description

Semitrailer bearing surface width adjusting device

Technical Field

The invention relates to the technical field of semi-trailer bearing surfaces, in particular to a width adjusting device for a semi-trailer bearing surface.

Background

With the development of national economy, the transportation of various large, ultra-wide and non-detachable objects is more and more extensive, such as generator sets, engineering machinery, special equipment and the like. Such ultra-wide goods are generally transported by a low-bed semi-trailer, while the standard low-bed semi-trailer has a width of 3 meters, which is difficult to meet the transportation requirements.

On the other hand, the ultra-wide low flatbed semitrailer can not return to the standard width when no-load or not transporting ultra-wide goods, and can be limited in a great number in road operation, thereby greatly influencing the transportation efficiency of the semitrailer.

Present adjustable width semitrailer uses foldable widening device mostly, because the very big goods of weight need be transported to the semitrailer under most circumstances, and the folded piece can lose under this kind of operating mode extremely fast, needs often to inspect the change. And the semitrailer that adopts flexible mode to adjust width adopts the telescoping cylinder, under the very big and harsh operating mode of environment of bearing capacity, easily damages.

Disclosure of Invention

In view of the above, the present invention provides a device for adjusting the width of a bearing surface of a semitrailer, so as to solve the problems mentioned in the background of the invention.

Based on the above purpose, the invention provides a semitrailer bearing surface width adjusting device, which is used in cooperation with a semitrailer and comprises: the bearing mechanism comprises a main bearing platform and an auxiliary bearing platform; one end of the hand-operated spiral telescopic rod is fixedly connected with the main bearing table, the other end of the hand-operated spiral telescopic rod is fixedly connected with the auxiliary bearing table, and the telescopic motion of the hand-operated spiral telescopic rod is used for driving the auxiliary bearing table to be drawn out or retracted relative to the main bearing table; stop gear, including spacing bent plate and stopper, the stopper set firmly in on the hand spiral telescopic link, the one end of spacing bent plate with main plummer fixed connection, the other end is in the hand spiral telescopic link carries out the concertina movement in-process, with the stopper is relative or the counterbalance setting.

Further, vice plummer is located main plummer both sides, main plummer with vice plummer passes through telescopic cross beam and connects.

Further, the main plummer includes the main beam of a plurality of equipartitions, vice plummer includes the vice crossbeam of a plurality of equipartitions, vice crossbeam with the main beam one-to-one sets up, vice crossbeam is connected by the plug-in type and is located in the main beam.

Furthermore, a first pin hole is formed in an edge cross beam of the main bearing table, a second pin hole is formed in an edge cross beam of the auxiliary bearing table, and the first pin hole and the second pin hole penetrate through a pin shaft so that the auxiliary bearing table and the main bearing table are fixed.

Furthermore, a plurality of second pin holes are uniformly distributed on the side beam of the auxiliary bearing table along the length direction.

Further, hand spiral telescopic link includes inner tube, urceolus and screw rod, the inner tube with the otic placode fixed connection of main longeron on the main plummer, the urceolus with limit longeron fixed connection on the vice plummer, screw rod and inner tube threaded connection.

Further, hand spiral telescopic link still includes hand power end, hand power end with the screw rod is kept away from the one end of inner tube is for dismantling the connection.

Further, the limiting block is fixedly arranged on the surface of the outer cylinder of the hand-cranking spiral telescopic rod.

Furthermore, the limiting bent plate is fixedly arranged on the surface of the main beam of the main bearing table and is an L-shaped limiting bent plate or an S-shaped limiting bent plate.

Furthermore, the inner cylinder is hinged to the main longitudinal beam through a pin shaft, and the outer cylinder is connected with the side longitudinal beam through a bolt.

From the above, the bearing surface width adjusting device of the semitrailer, provided by the invention, has the advantages that the bearing mechanism is arranged, and the bearing surface is widened by the auxiliary bearing platform, so that the ultrawide goods are borne. By arranging the hand-operated spiral telescopic rod, the width of the bearing surface is adjusted on one hand; on the other hand, the hand-operated spiral telescopic rod is simple in structure and high in durability. Through setting up stop gear, prevent that vice plummer from deviating from when flexible. The width adjusting device for the bearing surface of the semitrailer is simple in structure, strong in stability, capable of effectively widening the bearing surface of the semitrailer, strong in bearing capacity and capable of meeting the use requirements of the semitrailer under severe working conditions.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural view of a semitrailer bearing surface width adjusting device according to an embodiment of the invention;

FIG. 2 is a schematic structural diagram of a limiting mechanism according to an embodiment of the present invention;

FIG. 3 is an extension view of the hand-operated spiral telescopic rod according to the embodiment of the present invention;

FIG. 4 is a schematic view of the embodiment of the invention illustrating the retraction of the hand-operated spiral telescopic rod;

fig. 5 is a schematic view of the internal structure of the hand-cranking spiral telescopic rod according to the embodiment of the invention.

In the figure: 1. a carrying mechanism; 1-1, a main bearing platform; 1-2, a secondary bearing platform; 2. a telescopic cross beam; 2-1, a main beam; 2-2, an auxiliary beam; 3. a hand-operated spiral telescopic rod; 3-1, an outer cylinder; 3-2, inner cylinder; 3-3, a screw; 4. a limiting mechanism; 4-1, limiting the bent plate; 4-2, a limiting block; 5. a second pin hole; 6. a first pin hole; 7. a main stringer; 8. a side stringer; 9. a hand-operated power end; 10. fixing the ear plate; 11. a main bearing table edge beam; 12. a secondary load-bearing table side beam; 13. and fixing the pin shaft.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings.

It is to be noted that technical terms or scientific terms used in the embodiments of the present invention should have the ordinary meanings as understood by those having ordinary skill in the art to which the present disclosure belongs, unless otherwise defined. The use of "first," "second," and the like in this disclosure is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

With the development of economic technology, the transportation requirements of various large-sized ultra-wide objects are more vigorous, and the width of the bearing surface of a standard semitrailer is difficult to meet the transportation requirements. The existing bearing surface widening mode is foldable and automatically telescopic, the service life is short under the conditions of super-heavy weight and severe working conditions, and the maintenance cost is high.

In the process of realizing the application, the drawing type widening can be considered, so that the bearing surface is widened on one hand, and the durability is ensured on the other hand.

The technical solution of the present invention will be described in further detail below by way of specific examples with reference to fig. 1 to 4.

Some embodiments of the present invention provide a device for adjusting the width of a bearing surface of a semitrailer, as shown in fig. 1, including: the bearing mechanism 1 comprises a main bearing platform 1-1 and an auxiliary bearing platform 1-2; one end of the hand-operated spiral telescopic rod 3 is fixedly connected with the main bearing platform 1-1, the other end of the hand-operated spiral telescopic rod 3 is fixedly connected with the auxiliary bearing platform 1-2, and the telescopic motion of the hand-operated spiral telescopic rod 3 is used for driving the auxiliary bearing platform 1-2 to be drawn out or retracted relative to the main bearing platform 1-1; the limiting mechanism 4 comprises a limiting bent plate 4-1 and a limiting block 4-2, the limiting block 4-2 is fixedly arranged on the hand-operated spiral telescopic rod 3, one end of the limiting bent plate 4-1 is fixedly connected with the main bearing platform 1-1, and the other end of the limiting bent plate is arranged opposite to or opposite to the limiting block 4-2 in the process of the telescopic motion of the hand-operated spiral telescopic rod 3.

The loading mechanism 1 is arranged to play a role in loading goods, the loading mechanism 1 is divided into a main loading platform 1-1 and an auxiliary loading platform 1-2, the main loading platform 1-1 is used daily, and the auxiliary loading platform 1-2 is used to play a role in widening a loading surface when an enlarged object is transported.

By arranging the hand-operated spiral telescopic rod 3, the auxiliary bearing table 1-2 is driven to move by the telescopic motion of the hand-operated spiral telescopic rod 3, so that the bearing surface is widened.

Hand spiral telescopic link has advantages such as simple structure, simple to operate, stability height, and need not just to work a telephone switchboard like electric putter, avoids having the electric quantity to exhaust or the line damages the condition of unable work, can use under the abominable condition of operating mode, because the semitrailer transported substance generally heavier and transport road jolts, so hand spiral telescopic link is fit for semitrailer transportation operational environment more.

The limiting mechanism 4 is arranged to limit the moving distance of the hand-operated spiral telescopic rod 3, so that the moving distance of the auxiliary bearing platform 1-2 relative to the main bearing platform 1-1 is limited, and the auxiliary bearing platform 1-2 is prevented from being separated.

The semitrailer bearing surface width adjusting device is simple in structure and strong in stability, and can meet the bearing requirements of ultra-wide and ultra-large objects.

In some embodiments, as shown in fig. 1, the secondary platform 1-2 is disposed on two sides of the primary platform 1-1, and the primary platform 1-1 and the secondary platform 1-2 are connected by a telescopic beam 2.

By arranging the auxiliary bearing tables 1-2 at the two sides of the main bearing table 1-1, the width adjusting range can be enlarged, and the balance of the bearing mechanism 1 is kept. The telescopic beam 2 is arranged to connect the main bearing platform 1-1 and the auxiliary bearing platform 1-2, so that the auxiliary bearing platform 1-2 can perform telescopic motion relative to the main bearing platform 1-1, and the bearing surface is widened. In the embodiment, each side of the secondary bearing platform can extend out by 200mm at most, and the width of the bearing mechanism can be widened from 3000mm to 3400 mm.

In some embodiments, as shown in fig. 1, the main carrier 1-1 includes a plurality of uniformly distributed main beams 2-1, the sub carrier 1-2 includes a plurality of uniformly distributed sub beams 2-2, the sub beams 2-2 and the main beams 2-1 are arranged in a one-to-one correspondence manner, and the sub beams 2-2 are connected and arranged in the main beams 2-1 in a plug-in manner.

The main beam 2-1 adopts a box-type beam, the auxiliary beam 2-2 can be a hollow beam or a solid beam, but the length and the width of the cross section are smaller than those of the main beam 2-1, so that the auxiliary beam 2-2 can be inserted into the main beam 2-1 to form a telescopic beam 2 to perform telescopic motion, and the bearing surface is widened. The bearing platform is formed by the uniformly distributed cross beams, so that the bearing capacity of the bearing platform can be greatly improved, and the connection between the auxiliary bearing platform 1-2 and the main bearing platform 1-1 is firmer.

In some embodiments, as shown in fig. 1, a first pin hole 6 is formed on an edge beam 11 of the main platform 1-1, a second pin hole 5 is formed on an edge beam 12 of the sub-platform, and a fixing pin 13 penetrates through the first pin hole 6 and the second pin hole 5 to fix the sub-platform 1-2 and the main platform 1-1.

The auxiliary bearing table 1-2 and the main bearing table 1-1 can be fixed at a preset position through the fixed pin 13 after the expansion and contraction are finished by respectively arranging the pin holes on the main bearing table 1-1 and the auxiliary bearing table 1-2.

In some embodiments, as shown in fig. 1, a plurality of second pin holes 5 are uniformly distributed on the side beam 12 of the secondary platform along the length direction.

The plurality of second pin holes 5 are formed in the side cross beam 12 of the auxiliary bearing table and matched with the first pin holes 6 in the side cross beam 11 of the main bearing table, so that the main bearing table 1-1 and the auxiliary bearing table 1-2 can be fixed at different positions, and the bearing surfaces can be adjusted to different widths.

In some embodiments, as shown in fig. 1, 3, 4 and 5, the hand-operated spiral telescopic rod 3 comprises an inner cylinder 3-2, an outer cylinder 3-1 and a screw rod 3-3, the inner cylinder 3-2 is fixedly connected with a fixed lug plate 10 of a main longitudinal beam 7 on the main bearing platform 1-1, the outer cylinder 3-1 is fixedly connected with an edge longitudinal beam 8 on the auxiliary bearing platform 1-2, and the screw rod 3-3 is in threaded connection with the inner cylinder 3-2.

The hand-operated spiral telescopic rod 3 is arranged into the inner cylinder 3-2 and the outer cylinder 3-1, and the inner cylinder 3-2 and the outer cylinder 3-1 are respectively fixed on the main bearing platform 1-1 and the auxiliary bearing platform 1-2, so that when the screw rod 3-3 carries out spiral motion, the inner cylinder 3-2 is driven to move in the length direction of the screw rod 3-3, and the auxiliary bearing platform 1-2 is driven to carry out telescopic motion relative to the main bearing platform 1-1.

In some embodiments, as shown in fig. 3 and 4, the hand-operated spiral telescopic rod 3 further comprises a hand-operated power end 9, and the hand-operated power end 9 is detachably connected with one end of the screw rod 3-3 far away from the inner cylinder 3-2.

One end of the screw rod 3-3, which is far away from the inner cylinder 3-2, penetrates through the inner cylinder 3-1 and is detachably connected with the hand-operated power end 9, the hand-operated power end 9 is inserted when the width of a bearing surface needs to be adjusted, and the screw rod is dismounted after the adjustment is finished, so that the side of the vehicle can be smooth and not protruded, the running safety is enhanced, and the hand-operated power end can be an S-shaped or L-shaped rod-shaped crank or a circular rotating disk.

In some embodiments, as shown in fig. 1 and fig. 2, the limiting block 4-2 is fixedly arranged on the surface of the outer cylinder 3-1 of the hand cranking spiral telescopic rod 3.

Because the outer cylinder 3-1 is fixed on the side longitudinal beam 8 of the auxiliary bearing platform, the limiting block 4-2 can realize the function of limiting the moving distance only by being fixed on the outer cylinder 3-1.

In some embodiments, as shown in fig. 1 and fig. 2, the limiting bent plate 4-1 is fixedly disposed on a surface of a main beam 2-1 of the main bearing platform 1-1, and the limiting bent plate 4-1 is an L-shaped limiting bent plate or an S-shaped limiting bent plate.

The limiting block 4-2 is arranged on the side longitudinal beam 8 of the auxiliary bearing table, and the main bearing table 1-1 moves relative to the auxiliary bearing table 1-2, so that the limiting bent plate 4-2 can realize the function of the limiting mechanism 4 only when being fixed on the main bearing table 4-1. The limiting bent plate 4-1 and the limiting block 4-2 are required to realize the function of limiting movement, so that the end of the limiting bent plate 4-1 opposite to the limiting block 4-2 is required to be propped against the limiting block 4-2, and the function can be realized by selecting an L shape and an S shape.

In some embodiments, as shown in fig. 1, 3 and 4, the inner cylinder 3-2 is hinged with the main longitudinal beam 7 through a pin shaft, and the outer cylinder 3-1 is connected with the side longitudinal beam 8 through a bolt.

The inner cylinder 3-2 is connected with the fixed ear plate 10 on the main longitudinal beam 7 through a pin shaft, and the outer cylinder 3-1 is connected with the side longitudinal beam 8 of the auxiliary bearing platform 1-2 through a bolt, so that the hand-operated spiral telescopic rod can be conveniently replaced when damaged.

In some embodiments, as shown in fig. 1, two sets of hand-operated spiral telescopic rods 3 are arranged on each side of the bearing platform.

By arranging two sets of hand-operated spiral telescopic rods 3 on each side of the bearing platform, time and labor can be saved during telescopic movement.

When the width of the bearing surface is adjusted, the fixed pin shaft 13 is pulled down, the fixing is released, the hand-operated power end 9 is inserted into the hand-operated spiral telescopic rod 3, the hand-operated power end 9 is rotated, the auxiliary bearing platform 1-2 can be moved relative to the main bearing platform 1-1, the width of the bearing surface is adjusted, after the preset width is adjusted, the fixed pin shaft 13 is inserted into the first pin hole 6 and the second pin hole 5, the position of the auxiliary bearing platform 1-2 is fixed, the hand-operated power end 9 is detached, and the whole process of adjusting the width of the bearing surface is finished.

The embodiments of the present invention are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts in each embodiment are referred to each other.

The description of the present invention has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to practitioners skilled in this art.

Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the invention, also features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.

While the present invention has been described in conjunction with specific embodiments thereof, many alternatives, modifications, and variations of these embodiments will be apparent to those skilled in the art in light of the foregoing description.

The embodiments of the invention are intended to embrace all such alternatives, modifications and variances that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.

Claims (10)

1. The utility model provides a semitrailer bearing surface width adjustment device, width adjustment device uses with the semitrailer cooperation, its characterized in that includes:

the bearing mechanism comprises a main bearing platform and an auxiliary bearing platform;

one end of the hand-operated spiral telescopic rod is fixedly connected with the main bearing table, the other end of the hand-operated spiral telescopic rod is fixedly connected with the auxiliary bearing table, and the telescopic motion of the hand-operated spiral telescopic rod is used for driving the auxiliary bearing table to be drawn out or retracted relative to the main bearing table;

stop gear, including spacing bent plate and stopper, the stopper set firmly in on the hand spiral telescopic link, the one end of spacing bent plate with main plummer fixed connection, the other end is in hand spiral telescopic link carries out the concertina movement in-process, with the stopper is relative or the counterbalance setting.

2. The device of claim 1, wherein the sub-platform is disposed on two sides of the main platform, and the main platform and the sub-platform are connected by a telescopic beam.

3. The device of claim 2, wherein the main bearing platform comprises a plurality of uniformly distributed main beams, the auxiliary bearing platform comprises a plurality of uniformly distributed auxiliary beams, the auxiliary beams are arranged in one-to-one correspondence with the main beams, and the auxiliary beams are connected and arranged in the main beams in a plug-in manner.

4. The device as claimed in claim 3, wherein a first pin hole is formed on the side beam of the main bearing platform, a second pin hole is formed on the side beam of the auxiliary bearing platform, and a pin shaft passes through the first pin hole and the second pin hole to fix the auxiliary bearing platform and the main bearing platform.

5. The apparatus of claim 4, wherein a plurality of second pin holes are uniformly distributed on the side beam of the secondary carrier along the length direction.

6. The hand-operated spiral telescopic rod of claim 3, wherein the hand-operated spiral telescopic rod comprises an inner cylinder, an outer cylinder and a screw rod, the inner cylinder is fixedly connected with an ear plate of a main longitudinal beam on the main bearing platform, the outer cylinder is fixedly connected with an edge longitudinal beam on the auxiliary bearing platform, and the screw rod is in threaded connection with the inner cylinder.

7. The hand-operated spiral telescopic rod of claim 6, further comprising a hand-operated power end, wherein the hand-operated power end is detachably connected with one end of the screw rod far away from the inner cylinder.

8. The hand-operated spiral telescopic rod of claim 7, wherein the limiting block is fixedly arranged on the surface of the outer cylinder of the hand-operated spiral telescopic rod.

9. The device as claimed in claim 8, wherein the limiting bending plate is fixed on the surface of the main beam of the main bearing platform, and the limiting bending plate is an L-shaped limiting bending plate or an S-shaped limiting bending plate.

10. The machine of claim 6 wherein said inner barrel is pivotally connected to said main stringers by a pin and said outer barrel is bolted to said side stringers.

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