Height-adjustable centrally-mounted axle lift trailer

Abstract

The utility model relates to a height-adjustable centrally-mounted axle lift trailer which comprises an axle trailer body, a rear cross beam and a front cross beam are fixedly installed at the bottom end of the axle trailer body respectively, and two stand column oil cylinder pulley mechanisms are fixedly installed on the two sides of the rear cross beam and the two sides of the front cross beam respectively. The same supporting beam is fixedly installed on the two, close to the right side, of the four stand column oil cylinder pulley mechanisms, the other supporting beam is fixedly installed on the two, close to the left side, of the four stand column oil cylinder pulley mechanisms at the same time, rotating shafts are fixedly installed on the two supporting beams respectively, and rotating blocks are rotationally installed on the two rotating shafts respectively. Two bending steel channels are fixedly installed on the two rotating blocks correspondingly, and the same rotating platform is fixedly installed on the two bending steel channels. The axle of the trailer is close to the center of the trailer, so that most of the bearing capacity is borne by the trailer, the vertical load transmitted to the tractor head is small, and the driving process is more stable.

Description

TECHNICAL FIELD

[0001] The utility model relates to a height adjustable type middle shaft car transport trailer belongs to mechanized transportation technical field. BACKGROUND

[0002] In prior art, most of the car transporters on the market are complicated to assemble and disassemble, have poor driving stability, and have high vertical load on the towing vehicle head, resulting in poor operation feeling of the driver during driving. SUMMARY

[0003] The utility model provides a height adjustable type middle shaft car transport trailer, the trailer axle is near the center of the vehicle, so that most of the bearing capacity is borne by the trailer itself, the vertical load on the towing vehicle head is small, and the driving process is more stable, the upper platform can be flexibly adjusted according to actual needs through the hydraulic oil cylinder, and the bearing is reliable, which has simple design and strong practicability.

[0004] The utility model discloses a height adjustable type middle shaft car transport trailer, which comprises an axle trailer body, a rear cross beam is fixedly installed at the bottom end of the axle trailer body near the tail part, a front cross beam is fixedly installed at the bottom end of the axle trailer body near the front part, two column oil cylinder pulley mechanisms are fixedly installed at the two sides of the rear cross beam respectively, another two column oil cylinder pulley mechanisms are fixedly installed at the two sides of the front cross beam respectively, the same support beam is fixedly installed on the two column oil cylinder pulley mechanisms near the right side, another support beam is fixedly installed on the two column oil cylinder pulley mechanisms near the left side, a rotating shaft is fixedly installed on the two support beams respectively, rotating blocks are rotatably installed on the two rotating shafts respectively, two bent channel steels are fixedly installed on the two rotating blocks respectively, and the same rotating platform is fixedly installed on the two bent channel steels.

[0005] Optionally, the two column oil cylinder pulley mechanisms fixedly installed on the rear cross beam are provided with transmission shafts fixedly installed thereon respectively, first oil cylinders are rotatably installed on the transmission shafts, connecting plates are rotatably installed at the other ends of the first oil cylinders, support plates are fixedly installed on the connecting plates, the support plates are welded on the bent channel steels, moving plates are rotatably installed on the support plates, guide grooves are formed in the moving plates, first limiting screws are fixedly installed on the support beams, and the first limiting screws are slidably installed in the guide grooves of the moving plates.

[0006] Optionally, the post oil cylinder pulley mechanism is fixedly provided with a tripod, the tripod is fixedly provided with a second oil cylinder, a fixed pulley is fixedly installed above the second oil cylinder, a lifting block is arranged below the fixed pulley, a movable pulley is fixedly installed on the piston rod of the second oil cylinder, a first buckle is fixedly installed above the movable pulley, the first buckle and the lifting block are connected through a steel wire rope, and the steel wire rope is wound on the movable pulley and the fixed pulley in sequence.

[0007] Optionally, a limiting plate is fixedly installed on one side of the second oil cylinder, a second buckle is arranged on the lifting block, and the second buckle is connected with the limiting plate.

[0008] Optionally, a plurality of limiting holes are formed in the limiting plate in the up-down direction, and the second buckle is fixedly installed in the limiting hole of the limiting plate through a second limiting screw.

[0009] Optionally, the four post oil cylinder pulley mechanisms are the same in structure, and the four lifting blocks are fixedly provided with a same supporting beam on the left side and another supporting beam on the right side.

[0010] Optionally, a traction mechanism is fixedly installed at the front end of the shaft-hung vehicle body.

[0011] Optionally, a front axle and a rear axle are fixedly installed at the bottom of the shaft-hung vehicle body and close to the middle position.

[0012] Optionally, two right-angle channel steels are fixedly installed on the two supporting beams, and a same upper platform is fixedly installed on the two right-angle channel steels.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. In the utility model, when the rotating platform and the upper platform need to be lifted, the piston of the second oil cylinder is controlled to move downward through the hydraulic system, the lifting block is moved to a suitable position, the lifting block is fixed in a combined mode of the second buckle and the limiting plate at this time, the four post oil cylinder pulley mechanisms are synchronously operated, the four lifting blocks are fixed at the same height, the two supporting beams are kept fixed after being lifted to a certain degree, the four second oil cylinders are controlled by the same hydraulic system, the synchronous rate is high, the height error is small, the oil cylinder extension and retraction speed is controllable, the height of the trailer can be quickly adjusted when the trailer is in an empty state, and the trailer runs stably at a slow speed when the trailer is in a full load state.

[0015] 2. The utility model discloses when needing to rotate the platform to facilitate car to climb, through the hydraulic system control first oil jar elongation, through the elongation of first oil jar drive support plate to drop down, to drive the bent channel steel to drop down, finally drive rotating platform to rotate around the rotating shaft, when rotating to the extreme position, the edge of mobile board inner groove is locked by first limit screw at this moment, prevent rotating platform from continuing to rotate and maintain at a fixed position, this structure adopts mechanical lock, and is not hydraulic cylinder self -lock, and the fixed effect is more reliable, and the design structure is simple, and the practicality is strong. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a three-dimensional structure schematic view of the utility model discloses a height adjustable type middle shaft car transport trailer.

[0017] Fig. 2 It is another three-dimensional structure schematic view of the utility model discloses a height adjustable type middle shaft car transport trailer.

[0018] Fig. 3 It is a partial enlarged schematic view of the utility model discloses a height adjustable type middle shaft car transport trailer.

[0019] Fig. 4 It is a side view structure schematic view of the utility model discloses a height adjustable type middle shaft car transport trailer's stand oil jar pulley mechanism.

[0020] In the drawing: 1, axle trailer body;2, traction mechanism;3, front axle;4, rear axle;5, rear cross beam;6, front cross beam;7, stand oil jar pulley mechanism;8, support beam;9, rotating shaft;10, rotating block;11, bent channel steel;12, rotating platform;13, right angle channel steel;14, transmission shaft;15, first oil jar;16, connecting plate;17, support plate;18, mobile board;19, first limit screw;20, triangular frame;21, second oil jar;22, movable pulley;23, steel wire rope;24, first buckle;25, fixed pulley;26, lifting block;27, second buckle;28, limit plate;29, upper platform;30, second limit screw. DETAILED DESCRIPTION

[0021] The utility model will be further described in detail below in combination with the drawing embodiment.

[0022] Reference Figs. 1-4The utility model relates to a height adjustable formula middle -mounting axle car -hanging trailer, it includes axle trailer body 1, the bottom end of axle trailer body 1 is fixedly installed with rear crossbeam 5 near the tail position, the bottom end of axle trailer body 1 is fixedly installed with front crossbeam 6 near the front position, two side fixed mounting of rear crossbeam 5 have two post oil cylinder pulley mechanisms 7 respectively, two side fixed mounting of front crossbeam 6 have another two post oil cylinder pulley mechanisms 7 respectively, the same support beam 8 is fixedly installed on two of four post oil cylinder pulley mechanisms 7 near the right side, another support beam 8 is fixedly installed on two of four post oil cylinder pulley mechanisms 7 near the left side simultaneously, two support beams 8 are fixedly installed with rotating shaft 9 respectively, two rotating shafts 9 are rotatably installed with rotating block 10 respectively, two rotating blocks 10 are fixedly installed with two bent channel steel 11 respectively, the same rotating platform 12 is fixedly installed on two bent channel steel 11,

[0023] Two of four post oil cylinder pulley mechanisms 7 fixedly installed on rear crossbeam 5 are fixedly installed with transmission shaft 14 respectively, first oil cylinder 15 is rotatably installed on transmission shaft 14, connecting plate 16 is rotatably installed on the other end of first oil cylinder 15, support plate 17 is fixedly installed on connecting plate 16, support plate 17 is welded on bent channel steel 11, moving plate 18 is rotatably installed on support plate 17, the guide slot is formed in moving plate 18, first limit screw 19 is fixedly installed on support beam 8, first limit screw 19 is slidably installed in the guide slot of moving plate 18,

[0024] Tribrach 20 is fixedly installed on post oil cylinder pulley mechanism 7, second oil cylinder 21 is fixedly installed on tribrach 20, fixed pulley 25 is fixedly installed above second oil cylinder 21, lifting block 26 is arranged below fixed pulley 25, dynamic pulley 22 is fixedly installed on the piston rod of second oil cylinder 21, first buckle 24 is fixedly installed above dynamic pulley 22, first buckle 24 and lifting block 26 are connected through steel wire rope 23, steel wire rope 23 is sequentially arranged on dynamic pulley 22 and fixed pulley 25, through the design of second oil cylinder 21, the function of lifting block 26 lifting is realized,

[0025] Limiting plate 28 is fixedly installed on one side of second oil cylinder 21, second buckle 27 is arranged on lifting block 26, second buckle 27 is connected with limiting plate 28,

[0026] A plurality of limiting holes are formed in limiting plate 28, second buckle 27 is fixedly installed in the limiting hole of limiting plate 28 through second limit screw 30, through the design of limiting plate 28, the function of limiting lifting block 26 is realized,

[0027] Four column oil cylinder pulley mechanisms 7 are structurally identical, and four lifting blocks 26 inside are fixedly installed with a same support beam 8 on the left side and another support beam 8 on the right side, and through the design of the support beams 8, the function of fixing the upper platform 29 is realized.

[0028] The front end of the axle trailer body 1 is fixedly installed with a traction mechanism 2, and through the design of the traction mechanism 2, the function of being connected with a vehicle head is realized.

[0029] The bottom of the axle trailer body 1 is fixedly installed with a front axle 3 and a rear axle 4 respectively near the middle position, and through the design of the two axles, the function of walking of the axle trailer body 1 is realized.

[0030] Two right-angle channel steels 13 are fixedly installed on the two support beams 8 respectively, and a same upper platform 29 is fixedly installed on the two right-angle channel steels 13, and through the design of the two right-angle channel steels 13, the function of fixing the upper platform 29 is realized.

[0031] Working principle:

[0032] The height-adjustable middle-axle car transport trailer is a transport equipment capable of flexibly loading and unloading multiple cars, when the rotating platform 12 and the upper platform 29 need to be lifted, the piston of the second oil cylinder 21 is controlled to move downward through the hydraulic system, the movable pulley 22 is driven to move downward through the downward movement of the piston of the second oil cylinder 21, the right end of the steel wire rope 23 is driven to move upward through the downward movement of the movable pulley 22, the lifting block 26 is driven to move upward through the upward movement of the right end of the steel wire rope 23, when the lifting block 26 moves to a suitable position, the lifting block 26 is fixed through the combined mode of the second buckle 27 and the limiting plate 28, four column oil cylinder pulley mechanisms 7 are synchronously operated, so that the four lifting blocks 26 are fixed at the same height, so that the two support beams 8 are lifted to a certain degree and then the position is kept fixed, when the rotating platform 12 and the upper platform 29 need to be lowered, reverse operation can be performed; when the rotating platform 12 needs to be rotated to facilitate car climbing, the first oil cylinder 15 is controlled to be elongated through the hydraulic system, the support plate 17 is driven to descend through the elongation of the first oil cylinder 15, so that the bent channel steel 11 is driven to descend, and finally the rotating platform 12 is driven to rotate around the rotating shaft 9, when the rotating platform 12 rotates to the limit position, the edge of the inner groove of the moving plate 18 is locked by the first limiting screw 19 at this time, so that the rotating platform 12 is prevented from continuing to rotate and is maintained at a fixed position, and through the upward and downward movement of the support beam 8, the car climbing is finally more convenient and fast, the design structure is simple and practical.

[0033] In addition to the above-mentioned embodiments, the utility model also includes other implementation manners, and any technical scheme formed in an equivalent transformation or equivalent replacement manner shall fall within the protection scope of the utility model claim.

Claims

1. A mid-engine motor coach with height adjustment, characterized by: It include axle trailer body (1), the bottom end of axle trailer body (1) is fixedly installed with rear crossbeam (5) near the tail position, the bottom end of axle trailer body (1) is fixedly installed with front crossbeam (6) near the front position, two sides of rear crossbeam (5) are fixedly installed with two column oil cylinder pulley mechanisms (7) respectively, two sides of front crossbeam (6) are fixedly installed with other two column oil cylinder pulley mechanisms (7) respectively, the upper two of four column oil cylinder pulley mechanisms (7) near right side are fixedly installed with same support beam (8), the upper two of four column oil cylinder pulley mechanisms (7) near left side are fixedly installed with another support beam (8) simultaneously, two support beams (8) are fixedly installed with rotating shafts (9) respectively, two rotating shafts (9) are rotatably installed with rotating blocks (10) respectively, two rotating blocks (10) are fixedly installed with two bent channel steels (11) respectively, two bent channel steels (11) are fixedly installed with same rotating platform (12).

2. A middle-mounted axle bus with height-adjustable trailer according to claim 1, characterized in that: The upper two of four column oil cylinder pulley mechanisms (7) fixedly installed on rear crossbeam (5) are fixedly installed with transmission shafts (14) respectively, first oil cylinders (15) are rotatably installed on transmission shafts (14), connecting plates (16) are rotatably installed on the other end of first oil cylinders (15), support plates (17) are fixedly installed on connecting plates (16), support plates (17) are welded on bent channel steels (11), moving plates (18) are rotatably installed on support plates (17), guide grooves are formed in moving plates (18), first limit screws (19) are fixedly installed on support beams (8), first limit screws (19) are slidably installed in guide grooves of moving plates (18).

3. A middle-mounted axle bus with height-adjustable trailer according to claim 1, characterized in that: Tribrach (20) is fixedly installed on column oil cylinder pulley mechanism (7), second oil cylinder (21) is fixedly installed on tribrach (20), fixed pulley (25) is fixedly installed above second oil cylinder (21), lifting block (26) is arranged below fixed pulley (25), movable pulley (22) is fixedly installed on the piston rod of second oil cylinder (21), first buckle (24) is fixedly installed above movable pulley (22), steel wire rope (23) is connected between first buckle (24) and lifting block (26), steel wire rope (23) is wound on movable pulley (22) and fixed pulley (25) in sequence.

4. A middle-of-the-axle motor coach trailer with adjustable height according to claim 3, characterized in that: Limiting plate (28) is fixedly installed on one side of second oil cylinder (21), second buckle (27) is arranged on lifting block (26), second buckle (27) is connected with limiting plate (28).

5. A middle-of-the-axle motor coach trailer with adjustable height according to claim 4, characterized in that: Multiple limiting holes are formed in limiting plate (28), second buckle (27) is fixedly installed in limiting holes of limiting plate (28) through second limit screw (30).

6. A middle-of-the-axle motor coach trailer with adjustable height according to claim 3, characterized in that: Four column oil cylinder pulley mechanisms (7) are same in structure, the left two of four lifting blocks (26) inside are fixedly installed with same support beam (8), the right two are fixedly installed with another support beam (8).

7. A middle-of-the-axle bus with height adjustable trailer according to claim 1, characterized in that: Front end of axle trailer body (1) is fixedly installed with traction mechanism (2).

8. A middle-mounted axle bus with a height-adjustable trailer according to claim 1, characterized in that: The bottom of the axle trailer body (1) is fixedly provided with a front axle (3) and a rear axle (4) respectively near the middle position.

9. A middle-of-the-axle bus with height adjustable trailer according to claim 1, characterized in that: Two right-angle channel steels (13) are fixedly installed on the two supporting beams (8), and the same upper platform (29) is fixedly installed on the two right-angle channel steels (13).

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