CN212709696U

CN212709696U - Telescopic heightening frame of trailer

Info

Publication number: CN212709696U
Application number: CN202021247859.XU
Authority: CN
Inventors: 高福涛
Original assignee: Qingdao Zehan Machinery Manufacturing Co ltd
Current assignee: Qingdao Zehan Machinery Manufacturing Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-03-16
Anticipated expiration: 2030-06-30

Abstract

The utility model relates to the field of vehicle frame heightening equipment, in particular to a trailer telescopic heightening frame, which comprises a fixed bottom frame, a fixing device detachably connected with a vehicle frame, a supporting upright post and an inner frame, wherein the supporting upright post is arranged above the fixed bottom frame, a fixed chute is formed above the supporting upright post, the inner frame can be arranged in the fixed chute in a sliding manner, and the inner frame is respectively arranged in the fixed chutes on the left side and the right side; a plurality of clamping positions with the same structure are arranged on the fixed sliding groove on each side, a plurality of clamping blocks with the same structure are arranged on the inner frame on each side, and grooves capable of containing the clamping blocks are arranged on the clamping positions. The utility model can adjust the positions of the inner frame and the cross beams between the inner frame through the matching of the inner frame and the fixed sliding chute, thereby adjusting the bearing length of the heightening frame according to the transportation requirement; the relative position of the inner frame and the fixed sliding chute is fixed by adopting the matching mode of the clamping position and the clamping block, the structure is simple, and the operation is convenient; the cross beam is supported through the support rods, and the bearing capacity of the cross beam is improved.

Description

Telescopic heightening frame of trailer

Technical Field

The utility model belongs to the technical field of the frame increases equipment and specifically relates to a flexible frame that increases of trailer.

Background

The trailer is widely applied to the transportation process of various articles, however, the transportation capacity and the height of the existing trailer are fixed, so that the existing trailer is not suitable for the transportation of articles which are additionally lengthened or heightened, and the transportation range of the trailer is limited.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the above problem, provide a flexible frame that increases of trailer, the technical scheme of its adoption as follows:

a trailer telescopic heightening frame comprises a fixed bottom frame, fixing devices detachably connected with a frame, a plurality of supporting upright posts and inner frames, wherein the fixing devices are respectively arranged on the left side and the right side of the fixed bottom frame, the supporting upright posts are arranged above the fixed bottom frame, fixed sliding grooves are formed above the supporting upright posts, the inner frames can be arranged in the fixed sliding grooves in a sliding manner, the number of the inner frames is 2, and the inner frames are respectively arranged in the fixed sliding grooves on the left side and the right side; the fixed spout of every side is last to set up a plurality of screens that the structure is the same, sets up a plurality of fixture block that the structure is the same on the frame in every side, sets up the recess that can hold the fixture block on the screens, and the distance between the fixture block is the same with the distance between the screens.

Preferably, the fixing device comprises a connecting hook and an adjusting screw rod, the connecting hook is of a C-shaped ring structure, the upper end of the connecting hook is fixedly arranged in a groove between the fixed bottom frame and the supporting upright column, the lower end of the C-shaped ring is located below the fixed bottom frame and has a gap with the lower end face of the fixed bottom frame, and the lower part of the C-shaped ring is spirally connected with the adjusting screw rod.

Preferably, the screens includes first screens and second screens, the fixture block includes first fixture block and second fixture block, the quantity of first screens, second screens, first fixture block and second fixture block is 2 respectively, and sets up the left and right sides at fixed underframe respectively.

On the basis of the scheme, the first clamping block comprises an installation block, a rotating plate and a torsion spring, the installation block is fixedly connected to the fixed sliding groove, the rotating plate is hinged to the installation block, the torsion spring is abutted between the installation block and the rotating plate, and the torsion spring is arranged below the joint of the rotating plate and the installation block.

Preferably, a side baffle is formed above the fixed sliding chute, and a cross beam is arranged between the inner frames.

On the basis of the scheme, the support rod comprises a universal hinge block, a first support rod, a second support rod and a connecting plate which are sequentially connected, wherein the universal hinge block is respectively hinged with the fixed frame and the lower end of the first support rod, and two hinge shafts are vertical to each other; the lower part of the second support rod passes through the upper end of the first support rod and can slide relative to the first support rod; the upper end of the second supporting rod is hinged with the connecting plate, a positioning lug is arranged on the connecting plate, the positioning lug is matched with a positioning hole on the positioning plate, the positioning plate is arranged on the fixed chute, and the positioning hole can also be arranged on the cross beam;

a groove is formed in the first supporting rod, a spring, a fixed block, a first connecting piece and a second connecting piece which are sequentially connected are arranged in the groove, two ends of the spring are respectively and fixedly connected with the lower end of the second supporting rod and the upper end of the fixed block, the fixed block is hinged with the upper end of the first connecting piece, the lower end of the first connecting piece is hinged with the middle part of the second connecting piece, and the upper end of the second connecting piece is hinged with the side wall of the first supporting rod; and a limiting hole is formed in the lower part of the second connecting piece, and a limiting lug corresponding to the limiting hole is arranged in the groove.

On the basis of above-mentioned scheme, universal articulated piece is two U type pieces of fixed connection, two U type piece opening opposite directions, the bottom surface contact and the fixed setting of two U type pieces, the lateral wall mutually perpendicular of two U type pieces.

Preferably, the number of the positioning lugs is two, the positioning lugs are provided with grooves, and the thickness of each groove is not less than that of each positioning plate.

The utility model has the advantages that: the positions of the inner frames and the cross beams among the inner frames can be adjusted through the matching of the inner frames and the fixed sliding grooves, so that the bearing length of the heightening frame is adjusted according to transportation requirements, and the application range is expanded; the relative position of the inner frame and the fixed sliding chute is fixed by adopting the matching mode of the clamping position and the clamping block, the structure is simple, and the operation is convenient; the cross beam is supported through the support rods, and the bearing capacity of the cross beam is improved.

Drawings

FIG. 1: the utility model has a schematic structure;

FIG. 2: the structure of the inner frame of the utility model is schematically shown;

FIG. 3: the structure of the connecting hook of the utility model is schematically shown;

FIG. 4: the utility model discloses a first fixture block structure schematic diagram;

FIG. 5: the structure of the support rod of the utility model is schematically shown;

FIG. 6: the utility model is a structural schematic diagram of the using state of the support rod;

FIG. 7: the utility model discloses a structural schematic diagram of the adjusting state of the support rod;

FIG. 8: the utility model discloses stretching state structure schematic diagram.

Detailed Description

The invention will be further explained with reference to the following figures and examples:

in the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, it is to be understood that the terms "center", "length", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely 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 therefore, should not be construed 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, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1 to 8, a trailer telescopic heightening frame comprises a fixed bottom frame 11, a plurality of fixing devices detachably connected with a frame, a supporting upright post 14 and an inner frame 21, wherein the fixing devices are respectively arranged at the left side and the right side of the fixed bottom frame 11, preferably, as shown in fig. 3, each fixing device comprises a connecting hook 12 and an adjusting screw 13, the connecting hook 12 is of a C-shaped ring structure, the upper end of the connecting hook is fixedly arranged in a groove between the fixed bottom frame 11 and the supporting upright post 14, the lower end of the C-shaped ring is arranged below the fixed bottom frame 11 and has a gap with the lower end surface of the fixed bottom frame 11, the lower part of the C-shaped ring is spirally connected with the adjusting screw 13, and during installation, the C-shaped connecting hook 12 is simultaneously clamped on the fixed bottom frame 11 and the upper frame of the frame, and the fixed bottom frame 11 and the upper frame of the frame are compressed and.

As shown in fig. 2, the supporting upright posts 14 are arranged above the fixed bottom frame 11, the fixed sliding grooves 15 are formed above the supporting upright posts 14, the inner frames 21 are slidably arranged in the fixed sliding grooves 15, and the number of the inner frames 21 is 2, and the inner frames are respectively arranged in the fixed sliding grooves 15 on the left and right sides; and a cross beam is arranged between the inner frames 21, so that the inner frames 21 are supported and fixed in the fixed sliding groove 15, and the carrying capacity of the elevated frame is improved. Preferably, the number of the beams is 3, namely a first beam 17, a third beam 19 at the front side and the rear side and a second beam 18 at the middle part. In order to prevent the load from sliding off, a side baffle 16 is formed above the fixed chute 15.

A plurality of clamping positions with the same structure are arranged on the fixed sliding groove 15 on each side, a plurality of clamping blocks with the same structure are arranged on the inner frame 21 on each side, grooves capable of containing the clamping blocks are arranged on the clamping positions, and the distance between the clamping blocks is the same as that between the clamping positions. Preferably, the screens include first screens 23 and second screens 25, the fixture block includes first fixture block 22 and second fixture block 24, the quantity of first screens 23, second screens 25, first fixture block 22 and second fixture block 24 is 2 respectively, and sets up respectively in the left and right sides of fixed underframe 11. As shown in fig. 4, the first latch 22 includes an installation block 222, a rotation plate 221 and a torsion spring 223, the installation block 222 is fixedly connected to the fixed sliding slot 15, the rotation plate 221 is hinged to the installation block 222, the torsion spring 223 abuts between the installation block 222 and the rotation plate 221, and the torsion spring 223 is disposed below a connection position of the rotation plate 221 and the installation block 222. The position clip is arranged at the lower part of the inner frame 21, the block is arranged at the lower part of the fixed sliding chute 15, and the lower part of the rotating plate 221 is pressed, so that the rotating plate 221 can rotate around the joint with the mounting block 222, and the upper part of the rotating plate 221 is separated from the groove in the first position clip 23. After the four groups of fixture blocks and the clamping positions are respectively separated, the inner frame 21 can move relative to the fixed sliding chute 15. Under the ordinary length, the first clamping block 22 is clamped into the first clamping position 23, the second clamping block 24 is clamped into the second clamping position 25, after the inner frame 21 is moved, the first clamping block 22 is clamped into the second clamping position 25, the inner frame 21 and the cross beam are moved forwards, and the bearing capacity is expanded by utilizing the space above the locomotive. Different sets of screens and clamping blocks can be additionally arranged according to actual requirements, and the distance between the screens is adjusted.

As shown in fig. 5-7, in order to improve the supporting force of the heightening frame and the cross beam, the supporting rod 3 further includes a supporting rod 3, the supporting rod 3 includes a universal hinge block 312, a first supporting rod 313, a second supporting rod 314 and a connecting plate 315 which are connected in sequence, the universal hinge block 312 is two U-shaped blocks fixedly connected, the openings of the two U-shaped blocks are opposite in orientation, the bottom surfaces of the two U-shaped blocks are in contact and fixedly arranged, the side walls of the two U-shaped blocks are perpendicular to each other, the two U-shaped openings of the universal hinge block 312 are respectively hinged to the lower ends of the fixing frame 311 and the first supporting rod 313, and the two hinge shafts are perpendicular to each other, so that the first supporting rod 313 adjusts the angles in the horizontal and vertical directions relative to the fixing frame 311, and the application range. The lower part of the second support rod 314 passes through the upper end of the first support rod 313 and can slide relative to the first support rod 313; the upper end of the second support rod 314 is hinged to the connection plate 315, a positioning bump 316 is arranged on the connection plate 315, the positioning bump 316 is matched with the positioning hole 332 on the positioning plate 331, the number of the positioning bumps 316 is two, a groove is arranged on the positioning bump 316, the thickness of the groove is not smaller than that of the positioning plate 331, the positioning bump 316 penetrates through the positioning hole 332 on the positioning plate 331, and then the support rod is moved to clamp the edge of the positioning plate 331 into the groove of the positioning bump 316, so that the position fixation is realized. A groove is formed in the first supporting rod 313, a spring 321, a fixed block 322, a first connecting piece 323 and a second connecting piece 324 which are sequentially connected are arranged in the groove, two ends of the spring 321 are respectively and fixedly connected with the lower end of the second supporting rod 314 and the upper end of the fixed block 322, the fixed block 322 is hinged with the upper end of the first connecting piece 323, the lower end of the first connecting piece 323 is hinged with the middle part of the second connecting piece 324, and the upper end of the second connecting piece 324 is hinged with the side wall of the first supporting rod 313; the lower part of the second connecting piece 324 is provided with a limiting hole, a limiting lug corresponding to the limiting hole is arranged in the groove, the limiting lug can be inserted into the limiting hole, and a holding plate vertical to the side wall of the first supporting rod 313 is arranged below the second connecting piece 324, so that the second connecting piece 324 can be conveniently lifted or dropped relative to the first supporting rod.

During installation, the positioning plate 331 can be installed on the fixed chute 15, or the positioning hole 332 can be directly opened on the cross beam. When the fixing device is installed, the fixing frame 311 is firstly fixedly connected to a proper position of the fixing chute 15, the first supporting rod 313 is rotated according to the position of a rod piece which is supported as required, the second connecting piece 324 is lifted outwards, the limiting convex block is separated from the limiting hole, the spring 321 is loosened, the position of the second supporting rod 314 and the angle of the connecting plate 315 are adjusted, the fixing block 322 is clamped into the positioning hole 332 on the positioning plate 331, the second connecting piece 324 is pressed into the groove of the first supporting rod 313 after the connecting position is fixed, the limiting convex block is clamped into the limiting hole, the position of the supporting rod is fixed, and the fixing and supporting effects are further achieved. The second connecting piece 324 is lifted outwards during disassembly, the processes are operated reversely, disassembly is achieved, the fixing block 322 of the supporting rod 3 can be clamped into the positioning hole 332 in the cross beam as required, the cross beam is supported in an auxiliary mode, the fixing block 322 can be clamped into the positioning plate 331 in the fixed sliding groove 15 when the inner frame 15 moves or in the transportation process, and the cross beam connected with the supporting rod 3 can be changed according to different positions adjusted by the inner frame 15.

The present invention has been described above by way of example, but the present invention is not limited to the above-mentioned embodiments, and any modification or variation based on the present invention is within the scope of the present invention.

Claims

1. The telescopic heightening frame of the trailer is characterized by comprising a fixed bottom frame (11), a plurality of fixing devices detachably connected with a frame, supporting upright posts (14) and inner frames (21), wherein the fixing devices are arranged on the left side and the right side of the fixed bottom frame (11) respectively, the supporting upright posts (14) are arranged above the fixed bottom frame (11), fixed sliding grooves (15) are formed above the supporting upright posts (14), the inner frames (21) can be arranged in the fixed sliding grooves (15) in a sliding manner, the number of the inner frames (21) is 2, and the inner frames are arranged in the fixed sliding grooves (15) on the left side and the right side respectively; a plurality of clamping positions with the same structure are arranged on each side of the fixed sliding groove (15), a plurality of clamping blocks with the same structure are arranged on each side of the inner frame (21), grooves capable of containing the clamping blocks are formed in the clamping positions, and the distance between the clamping blocks is the same as the distance between the clamping positions.

2. The telescopic heightening frame of a trailer as claimed in claim 1, wherein the fixing device comprises a connecting hook (12) and an adjusting screw (13), the connecting hook (12) is a C-shaped ring structure, the upper end of the C-shaped ring is fixedly arranged in a groove between the fixed bottom frame (11) and the support upright (14), the lower end of the C-shaped ring is located below the fixed bottom frame (11) and has a gap with the lower end surface of the fixed bottom frame (11), and the adjusting screw (13) is screwed on the lower part of the C-shaped ring.

3. The trailer telescopic heightening frame of claim 1, wherein the clamping positions comprise a first clamping position (23) and a second clamping position (25), the clamping positions comprise a first clamping block (22) and a second clamping block (24), and the number of the first clamping position (23), the number of the second clamping position (25), the number of the first clamping block (22) and the number of the second clamping block (24) are respectively 2, and the first clamping position, the second clamping position, the first clamping block (22) and the second clamping block are respectively arranged at the left side and the right side of the fixed bottom frame (11).

4. The trailer telescopic heightening frame according to claim 3, wherein the first clamping block (22) comprises a mounting block (222), a rotating plate (221) and a torsion spring (223), the mounting block (222) is fixedly connected to the fixed sliding chute (15), the rotating plate (221) is hinged to the mounting block (222), the torsion spring (223) abuts between the mounting block (222) and the rotating plate (221), and the torsion spring (223) is arranged below the joint of the rotating plate (221) and the mounting block (222).

5. A telescopic trailer heightening frame as defined in claim 1, wherein side guards (16) are formed above said fixed runners (15) and cross beams are provided between the inner frames (21).

6. The trailer telescopic heightening frame of claim 5, further comprising a support rod (3), wherein the support rod (3) comprises a universal hinge block (312), a first support rod (313), a second support rod (314) and a connecting plate (315) which are sequentially connected, the universal hinge block (312) is respectively hinged with the lower ends of the fixed frame (311) and the first support rod (313), and the two hinge shafts are perpendicular to each other; the lower part of the second support rod (314) passes through the upper end of the first support rod (313) and can slide relative to the first support rod (313); the upper end of the second support rod (314) is hinged with the connecting plate (315), a positioning lug (316) is arranged on the connecting plate (315), the positioning lug (316) is matched with a positioning hole (332) in a positioning plate (331), the positioning plate (331) is arranged on the fixed sliding chute (15), and the positioning hole (332) can also be arranged on the cross beam;

a groove is formed in the first supporting rod (313), a spring (321), a fixed block (322), a first connecting piece (323) and a second connecting piece (324) which are sequentially connected are arranged in the groove, two ends of the spring (321) are respectively and fixedly connected with the lower end of the second supporting rod (314) and the upper end of the fixed block (322), the fixed block (322) is hinged with the upper end of the first connecting piece (323), the lower end of the first connecting piece (323) is hinged with the middle of the second connecting piece (324), and the upper end of the second connecting piece (324) is hinged with the side wall of the first supporting rod (313); the lower part of the second connecting piece (324) is provided with a limiting hole, and a limiting lug corresponding to the limiting hole is arranged in the groove.

7. The telescopic trailer heightening frame as recited in claim 6, wherein the universal hinge block (312) is two U-shaped blocks fixedly connected, the openings of the two U-shaped blocks are oppositely oriented, the bottom surfaces of the two U-shaped blocks are contacted and fixedly arranged, and the side walls of the two U-shaped blocks are perpendicular to each other.

8. The telescopic heightening frame of a trailer as claimed in claim 6, wherein the number of the positioning projections (316) is two, and a groove is arranged on the positioning projections (316), and the thickness of the groove is not less than that of the positioning plate (331).