CN112477742A - Cargo fixing device for semi-trailer carriage and using method thereof - Google Patents

Abstract

The invention provides a cargo fixing device for a semi-trailer carriage, which comprises a bottom plate, wherein an air bag is connected to the outer surface of the upper end of the bottom plate in an embedded manner, a supporting rod is fixedly connected to the position, close to one side, of the outer surface of the upper end of the bottom plate, a connecting rod is fixedly connected to the outer surface of the lower end of the supporting rod, a clamping plate is arranged on the outer surface of the other side of the supporting rod, a supporting column is fixedly connected to the outer surface of the upper end of the supporting column, a connecting column is fixedly connected to the outer surface of the other side of the connecting column, a sliding groove is formed in the outer surface of the other side of the sliding groove, a hydraulic cylinder is slidably connected to the inner part of the sliding groove, and a clamping block is fixedly, the shock attenuation buffering to improve the availability factor of device, prolong the life of device.

Description

Cargo fixing device for semi-trailer carriage and using method thereof

Technical Field

The invention relates to the technical field of semitrailers, in particular to a cargo fixing device for a semitrailer carriage and a using method thereof.

Background

A semitrailer is a trailer whose axle is positioned behind the center of gravity of the vehicle (when the vehicle is evenly loaded) and which is equipped with a coupling device that transmits horizontal and vertical forces to the tractor. Semitrailers are generally three-axle semitrailers, and the types of semitrailers are divided into eleven-meter-bin-column semitrailers, thirteen-meter-bin semitrailers, low-bed semitrailers and the like. Is a heavy transport vehicle connected with a semitrailer head through a towing pin.

A cargo fixing device for a compartment of a conventional vehicle (publication number: CN203543780U) comprises a disc-shaped mounting base, wherein the top surface of the mounting base is fixedly connected with the bottom surface of a bottom plate of the compartment; a fixing ring baffle, a connecting bolt, a first fixing ring and a second fixing ring are arranged in the mounting base; a connecting bolt is arranged between the fixed ring baffle and the bottom of the mounting base, and two ends of the fixed ring baffle are bent towards the same side to form a limiting groove; the first fixing ring and the second fixing ring comprise semicircular arc sections, two ends of each semicircular arc section are connected with the straight line sections, and the axes of the straight line sections are coaxial; the first fixing ring and the second fixing ring are located between the mounting bottom plate and the fixing ring baffle, and straight line sections of the two fixing rings are located in limiting grooves of the fixing ring baffle. The whole device is arranged below the bottom plate of the carriage without hindering the loading, unloading and placing of goods, the rope can be automatically locked through the two fixing rings in different shapes without loosening, and meanwhile, the water drainage holes are formed to avoid water accumulation.

In the process of implementing the invention, the following problems in the prior art are found to be at least not solved:

1. before the heavy U-shaped goods are transported, the fixing mode is complicated, a large amount of manpower and material resources are consumed, the operation of a user is inconvenient, and meanwhile, the goods are easy to damage, so that the use efficiency of the device is reduced;

2. unable reduction U type goods rocks on the way in the freight transportation, leads to the goods to damage, influences fixture's life simultaneously.

To this end, a cargo securing device for a semi-trailer box and a method of use thereof are provided.

Disclosure of Invention

The invention aims to provide a cargo fixing device for a semi-trailer carriage and a using method thereof, which can be convenient for a user to clamp and fix heavy U-shaped cargos and reduce the probability of cargo damage, and can simultaneously carry out auxiliary limiting, shock absorption and buffering on the cargos in the transportation process, thereby improving the using efficiency of the device and prolonging the service life of the device so as to solve the problems in the background technology.

The invention provides a cargo fixing device for a semi-trailer carriage, which comprises a bottom plate, wherein an air bag is connected to the outer surface of the upper end of the bottom plate in an embedded manner, a supporting rod is fixedly connected to the position, close to one side, of the outer surface of the upper end of the bottom plate, a connecting rod is fixedly connected to the outer surface of the lower end of the supporting rod, a clamping plate is arranged on the outer surface of the other side of the supporting rod, a supporting column is fixedly connected to the outer surface of the upper end of the supporting column, a connecting column is fixedly connected to the outer surface of the upper end of the supporting column, a sliding groove is formed.

Through adopting above-mentioned technical scheme, the device can convenient to use person carry out the centre gripping to heavier U type goods and fix, reduces the probability of goods damage, simultaneously on the way in the transportation, can assist spacingly to the goods, the shock attenuation buffering to improve device's availability factor, extension means's life.

Preferably, the inside fixedly connected with block rubber of gasbag, the upper end outward appearance of block rubber is sunken form, the inside of connecting rod is provided with the plug, the bracing piece is L type structure, the inside of bracing piece is provided with the push rod, the push rod links up each other with splint, the bracing piece constitutes wholly and is U type structure intercommunication each other with the connecting rod, the other end and the gasbag of connecting rod communicate each other.

Through adopting above-mentioned technical scheme, set up sunken block rubber in the inside of gasbag and can play certain shock attenuation cushioning effect to can laminate with the bottom of U type goods, extrude the gasbag when the U type goods descends, in the gas in the gasbag is extruded gets into the connecting rod, under the cooperation of plug in the connecting rod, thereby force the push rod in the bracing piece to drive splint and carry out the centre gripping with U type goods.

Preferably, splint are U type structure, the quantity of splint is two, two splint use the upper end surface center of bottom plate to be the midpoint symmetric distribution, the internal surface of splint articulates there is a plurality of elastic metal board, a plurality of elastic metal board uses the internal surface center of splint to be the splayed distribution as the midpoint, two run-through connection has the rope between the splint, the rope all links up each other with a plurality of elastic metal board.

Through adopting above-mentioned technical scheme, when the fixed back of finishing in U type goods comparatively jolt on the way in the transportation, can play to tie up fixed purpose to U type goods through two ropes between the splint, simultaneously when the goods is rocking, the rope of extrusion one side, the rope is compelled to stretch, thereby it resists the goods to drive articulated elastic metal plate in the splint, can play the purpose to the goods buffering through setting up elastic metal plate, can reduce the rigid contact between goods and the splint simultaneously, thereby reduce the impaired degree of splint.

Preferably, a through groove is formed in the supporting column, the through groove is communicated with the sliding groove, a pressing rod is fixedly connected to the outer surface of the lower end of the hydraulic cylinder and located in the through groove, a gas pipe is fixedly connected to the outer surface of the front end of the supporting column, one end of the gas pipe is communicated with the through groove, and the other end of the gas pipe is communicated with the air bag.

Through adopting above-mentioned technical scheme, when heavier U type goods is fixed in needs, the user at first starts the pneumatic cylinder, the pneumatic cylinder is flexible to drive the clamp splice and carries out the centre gripping to the goods fixed, further the pneumatic cylinder moves down in the spout under the drive of goods gravity, thereby the pneumatic cylinder moves down and forces the depression bar to move down in leading to the inslot, the air that leads to the inslot at this moment is extrudeed, further carry to the gasbag in from the gas-supply pipe, the gasbag inflation at this moment, thereby make pneumatic cylinder and goods falling speed mild, reduce the goods because the heavier falling speed leads to the probability of goods damage very fast.

Preferably, the outer surface of the upper end of the supporting column is fixedly connected with a baffle, a strong magnetic block is arranged at the bottom end of the inner surface of the baffle, a magnetic block is arranged at the position, corresponding to the strong magnetic block, of the outer surface of the upper end of the hydraulic cylinder, and the magnetism of the strong magnetic block is the same as that of the magnetic block.

Through adopting above-mentioned technical scheme, when the goods is in the transportation, if the goods jolts from top to bottom, the strong magnet in the support column overhead gage was the same with the magnetic path magnetism on the pneumatic cylinder and is repelled this moment to play certain shock attenuation buffering's purpose.

A method of using a cargo securing device for a semi-trailer box, comprising the steps of:

s1: clamping and fixing the goods, and clamping and fixing the U-shaped goods through a clamping block on a hydraulic cylinder;

s2: placing the goods, slowly moving the heavier U-shaped goods downwards until the heavier U-shaped goods are contacted with the air bag, and secondarily clamping and positioning the U-shaped goods by the clamping plate;

s3: and the bottom of the cargo is firstly contacted with the air bag and then continuously extends to be attached to the concave part of the rubber block.

Compared with the prior art, the invention has the beneficial effects that:

1. through adding a series of structural components such as an air bag, a clamping block, a pressure rod, a clamping plate and the like into the device, when a user needs to clamp and fix a heavy U-shaped cargo on a bottom plate for transportation, the user firstly starts a hydraulic cylinder, the hydraulic cylinder stretches and retracts to drive the clamping block to clamp and fix the cargo, the hydraulic cylinder further moves downwards in a chute on a connecting column under the drive of the gravity of the cargo, the hydraulic cylinder moves downwards so as to force the pressure rod to move downwards in the through chute, at the moment, air in the through chute is extruded and further conveyed into the air bag from a gas conveying pipe, at the moment, the air bag expands, so that the descending speed of the hydraulic cylinder and the cargo is gentle, the probability of cargo damage caused by the high descending speed of the heavy cargo is reduced, however, in the descending process of the cargo, the air bag is extruded by the U-shaped cargo, thereby forcing the push rod in the support rod to drive the clamping plate to clamp the U-shaped goods, further reducing the probability of goods damage and improving the use efficiency of the device;

2. by adding a series of structural components such as ropes, elastic metal plates, strong magnetic blocks and the like into the device, when U-shaped goods are fixed and bumpy in the transportation process, the U-shaped goods can be bundled and fixed through the two ropes between the clamping plates, meanwhile, when the goods are shaken, the ropes on one side are extruded, the ropes are forced to stretch, so that the elastic metal plates hinged in the clamping plates are driven to resist the goods, the goods can be buffered through the elastic metal plates, the hard contact between the goods and the clamping plates can be reduced, the damaged degree of the clamping plates is reduced, if the goods are bumpy up and down, the strong magnetic blocks in the upper baffle of the supporting column and the magnetic blocks on the hydraulic cylinder have the same magnetism and repel each other, so that a certain shock absorption and buffering purpose is achieved, and the rubber blocks with recesses arranged inside the air bag can also have a certain shock absorption and buffering effect, and can laminate with the bottom of U type goods, and then reduce the probability of goods damage.

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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a structural view of the present invention;

FIG. 2 is a combination view of the air bag and the support pole of the present invention;

fig. 3 is a combined view of the cleat and the rope of the present invention;

FIG. 4 is an enlarged view of the position A of FIG. 2 according to the present invention.

Description of reference numerals:

1. a base plate; 2. an air bag; 3. a rubber block; 4. a support bar; 5. a connecting rod; 6. a rubber plug; 7. a push rod; 8. a splint; 9. an elastic metal plate; 10. a rope; 11. a support pillar; 12. connecting columns; 13. a chute; 14. a hydraulic cylinder; 15. a pressure lever; 16. a through groove; 17. a gas delivery pipe; 18. a clamping block; 19. a baffle plate; 20. and a strong magnetic block.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. 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 protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 4, the present invention provides a technical solution:

the utility model provides a semi-trailer is goods fixing device for carriage and application method thereof, as shown in fig. 1 to 4, includes bottom plate 1, the embedded gasbag 2 that is connected with of upper end surface of bottom plate 1, the upper end surface of bottom plate 1 is close to the rigidity of one side and is connected with bracing piece 4, the lower extreme surface of bracing piece 4 is connected with connecting rod 5, the opposite side surface of bracing piece 4 is provided with splint 8, the upper end surface of bracing piece 4 is connected with support column 11, the upper end surface of support column 11 is connected with spliced pole 12, spout 13 has been seted up to the opposite side surface of spliced pole 12, the inside sliding connection of spout 13 has pneumatic cylinder 14, the opposite side surface of pneumatic cylinder 14 is connected with clamp splice 18.

Through adopting above-mentioned technical scheme, the device can convenient to use person carry out the centre gripping to heavier U type goods and fix, reduces the probability of goods damage, simultaneously on the way in the transportation, can assist spacingly to the goods, the shock attenuation buffering to improve device's availability factor, extension means's life.

Specifically, the inside fixedly connected with block rubber 3 of gasbag 2, the upper end outward appearance of block rubber 3 is sunken form, the inside of connecting rod 5 is provided with plug 6, bracing piece 4 is L type structure, the inside of bracing piece 4 is provided with push rod 7, push rod 7 links up with splint 8 each other, bracing piece 4 and connecting rod 5 are constituteed wholly and are U type structure and communicate each other, the other end and the gasbag 2 of connecting rod 5 communicate each other.

Through adopting above-mentioned technical scheme, set up sunken block rubber 3 in the inside of gasbag 2 and can play certain shock attenuation cushioning effect to can laminate with the bottom of U type goods, extrude gasbag 2 when the decline as U type goods, in the gas in the gasbag 2 is extrudeed and is got into connecting rod 5, under the cooperation of plug 6 in connecting rod 5, thereby force push rod 7 in the bracing piece 4 to drive splint 8 and carry out the centre gripping with U type goods.

Specifically, splint 8 is U type structure, splint 8's quantity is two, two splint 8 uses the upper end surface center of bottom plate 1 to distribute as the midpoint symmetry, splint 8's internal surface articulates there is a plurality of elastic metal board 9, a plurality of elastic metal board 9 uses the internal surface center of splint 8 to be the splayed distribution as the midpoint, two through connection has rope 10 between splint 8, rope 10 all links up each other with a plurality of elastic metal board 9.

Through adopting above-mentioned technical scheme, when the fixed back of finishing of U type goods is when comparatively jolting in the way of transportation, can play to tie up fixed purpose to U type goods through two ropes 10 between the splint 8, when the goods is rocking simultaneously, extrude the rope 10 of one side, rope 10 is forced to stretch, thereby it resists the goods to drive articulated elastic metal plate 9 in the splint 8, can play the purpose to the goods buffering through setting up elastic metal plate 9, can reduce the rigid contact between goods and the splint 8 simultaneously, thereby reduce the impaired degree of splint 8.

Specifically, logical groove 16 has been seted up to the inside of support column 11, logical groove 16 communicates with spout 13 each other, the lower extreme surface fixedly connected with depression bar 15 of pneumatic cylinder 14, depression bar 15 is located logical groove 16's inside, the front end surface fixedly connected with gas pipe 17 of support column 11, the one end and the logical groove 16 of gas pipe 17 communicate each other, the other end and the gasbag 2 of gas pipe 17 communicate each other.

Through adopting above-mentioned technical scheme, when heavier U type goods is when needs are fixed, the user at first starts pneumatic cylinder 14, pneumatic cylinder 14 is flexible to drive clamp splice 18 and carries out the centre gripping fixed to the goods, further pneumatic cylinder 14 moves down in spout 13 under the drive of goods gravity, pneumatic cylinder 14 moves down thereby forces depression bar 15 to move down in logical groove 16, the air that logical groove 16 was led to this moment is extrudeed, further carry to gasbag 2 in from gas-supply pipe 17, gasbag 2 inflation this moment, thereby make pneumatic cylinder 14 and goods descending speed mild, reduce the goods because the heavier descending speed leads to the probability of goods damage very fast.

Specifically, the outer surface of the upper end of the supporting column 11 is fixedly connected with a baffle plate 19, the bottom end of the inner surface of the baffle plate 19 is provided with a strong magnetic block 20, the outer surface of the upper end of the hydraulic cylinder 14 is provided with a magnetic block at a position corresponding to the strong magnetic block 20, and the strong magnetic block 20 has the same magnetism as the magnetic block.

By adopting the technical scheme, when goods are transported and bumped up and down, the strong magnetic blocks 20 in the upper baffle plate 19 of the supporting column 11 and the magnetic blocks on the hydraulic cylinder 14 have the same magnetism and repel each other, so that the purpose of certain shock absorption and buffering is achieved.

A method of using a cargo securing device for a semi-trailer box, comprising the steps of:

s1: clamping and fixing the goods, and clamping and fixing the U-shaped goods through a clamping block 18 on the hydraulic cylinder 14;

s2: placing the goods, slowly moving the heavier U-shaped goods downwards until the heavier U-shaped goods are contacted with the air bag 2, and secondarily clamping and positioning the U-shaped goods by the clamping plate 8 at the moment;

s3: the bottom of the cargo is firstly contacted with the air bag 2 and then continuously extends to be attached to the concave part of the rubber block 3.

The working principle is as follows:

by adding a series of structural components such as the air bag 2, the clamping block 18, the pressure lever 15, the clamping plate 8 and the like into the device, when a user needs to clamp and fix a heavy U-shaped cargo on the bottom plate 1 for transportation, the user firstly starts the hydraulic cylinder 14, the hydraulic cylinder 14 stretches and retracts to drive the clamping block 18 to clamp and fix the cargo, the hydraulic cylinder 14 further moves downwards in the chute 13 on the connecting column 12 under the drive of the gravity of the cargo, the hydraulic cylinder 14 moves downwards to force the pressure lever 15 to move downwards in the through groove 16, at the moment, the air in the through groove 16 is extruded and is further conveyed into the air bag 2 from the air conveying pipe 17, at the moment, the air bag 2 expands, so that the descending speed of the hydraulic cylinder 14 and the cargo is slow, the probability of cargo damage caused by the heavy descending speed is reduced, however, the air bag 2 is extruded when the U-shaped cargo descends, and the air in the, under the cooperation of the rubber plug 6 in the connecting rod 5, thereby forcing the push rod 7 in the supporting rod 4 to drive the clamping plate 8 to clamp the U-shaped goods, further reducing the probability of goods damage, improving the use efficiency of the device, adding a series of structural components such as the rope 10, the elastic metal plate 9 and the strong magnetic block 20 in the device, when the U-shaped goods is bumpy in the transportation process after being fixed, the U-shaped goods can be bound and fixed through the two ropes 10 between the clamping plates 8, meanwhile, when the goods are shaken, the rope 10 on one side is extruded, the rope 10 is forced to be stretched, thereby driving the elastic metal plate 9 hinged in the clamping plate 8 to resist the goods, the purpose of buffering the goods can be achieved through the elastic metal plate 9, meanwhile, the hard contact between the goods and the clamping plate 8 can be reduced, thereby reducing the damaged degree of the clamping plate 8, if the goods are bumpy up and down, at this moment, the strong magnetic block 20 in the upper baffle plate 19 of the supporting column 11 and the magnetic block on the hydraulic cylinder 14 have the same magnetism and repel each other, so that the purpose of certain shock absorption and buffering is achieved, the concave rubber block 3 arranged inside the air bag 2 can also have a certain shock absorption and buffering effect and can be attached to the bottom of a U-shaped cargo, and the probability of cargo damage is further reduced.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (6)

1. A cargo fixing device for a semi-trailer carriage is characterized by comprising a bottom plate (1), the outer surface of the upper end of the bottom plate (1) is connected with an air bag (2) in an embedded manner, the position of the outer surface of the upper end of the bottom plate (1) close to one side is fixedly connected with a supporting rod (4), the outer surface of the lower end of the supporting rod (4) is fixedly connected with a connecting rod (5), the outer surface of the other side of the supporting rod (4) is provided with a clamping plate (8), the outer surface of the upper end of the supporting rod (4) is fixedly connected with a supporting column (11), the outer surface of the upper end of the supporting column (11) is fixedly connected with a connecting column (12), the outer surface of the other side of the connecting column (12) is provided with a sliding chute (13), the inside of the sliding chute (13) is connected with a hydraulic cylinder (14) in a sliding way, and a clamping block (18) is fixedly connected to the outer surface of the other side of the hydraulic cylinder (14).

2. The cargo fixing device for the semi-trailer carriage as claimed in claim 1, wherein the inside of the air bag (2) is fixedly connected with a rubber block (3), the outer surface of the upper end of the rubber block (3) is concave, a rubber plug (6) is arranged inside the connecting rod (5), the supporting rod (4) is of an L-shaped structure, a push rod (7) is arranged inside the supporting rod (4), the push rod (7) is mutually connected with a clamping plate (8), the supporting rod (4) and the connecting rod (5) are integrally formed and are mutually communicated in a U-shaped structure, and the other end of the connecting rod (5) is mutually communicated with the air bag (2).

3. The cargo fixing device for the semi-trailer carriage as claimed in claim 1, wherein the clamping plates (8) are of a U-shaped structure, the number of the clamping plates (8) is two, the two clamping plates (8) are symmetrically distributed by taking the center of the outer surface of the upper end of the bottom plate (1) as a midpoint, the inner surface of the clamping plate (8) is hinged with a plurality of elastic metal plates (9), the elastic metal plates (9) are distributed in a splayed shape by taking the center of the inner surface of the clamping plate (8) as a midpoint, a rope (10) is connected between the two clamping plates (8) in a penetrating manner, and the rope (10) is mutually connected with the elastic metal plates (9).

4. The cargo fixing device for the semi-trailer carriage as recited in claim 1, wherein a through groove (16) is formed in the supporting column (11), the through groove (16) is communicated with the sliding groove (13), a pressure lever (15) is fixedly connected to the outer surface of the lower end of the hydraulic cylinder (14), the pressure lever (15) is located in the through groove (16), an air pipe (17) is fixedly connected to the outer surface of the front end of the supporting column (11), one end of the air pipe (17) is communicated with the through groove (16), and the other end of the air pipe (17) is communicated with the air bag (2).

5. The cargo fixing device for the semi-trailer carriage as claimed in claim 1, wherein a baffle (19) is fixedly connected to the outer surface of the upper end of the supporting column (11), a strong magnetic block (20) is arranged at the bottom end of the inner surface of the baffle (19), a magnetic block is arranged at the position, corresponding to the strong magnetic block (20), of the outer surface of the upper end of the hydraulic cylinder (14), and the magnetic blocks are the same as the strong magnetic block (20).

6. The method of using a cargo hold-down device for a semi-trailer box as defined in any one of claims 1 to 5, comprising the steps of:

s1: clamping and fixing the goods, and clamping and fixing the U-shaped goods through a clamping block 18 on the hydraulic cylinder 14;

s2: placing the goods, slowly moving the heavier U-shaped goods downwards until the heavier U-shaped goods are contacted with the air bag 2, and secondarily clamping and positioning the U-shaped goods by the clamping plate 8 at the moment;

s3: the bottom of the cargo is firstly contacted with the air bag 2 and then continuously extends to be attached to the concave part of the rubber block 3.

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