CN218986261U - Carriage hanging mechanism - Google Patents

Abstract

The utility model discloses a carriage vehicle hanging mechanism, which relates to the field of agricultural transport tools and comprises a hanging part between a carriage and a hanging part between a tractor and the carriage. When the plankers are hung, the front end of the planker is provided with a hook limiting frame, the front end of the planker is provided with a hand lever, the front spanner is connected with a pull rod through a front spanner connected with the hand lever, the pull rod is connected with a rear spanner, and the rear spanner is connected to the hook. The hand lever, the spanner rod and the pull rod are connected through the shaft sleeve. The rod sleeve of the lock structure is fixed on the hook limiting frame. One end of a spring in the middle of the carriage is pulled on the pull rod, and the other end is pulled on the rear cross beam. When the tractor is hung between the tractor and the carriage, the rear part of the tractor is provided with a hand lever which is connected with the upright post through a shaft sleeve. The front end of the hand lever is provided with a shaft sleeve which is connected with a pull rod, and the pull rod pulls a hook fixed on the shaft sleeve through the shaft sleeve at the lower end of the pull rod. One end of the spring is pulled at the front end of the hand lever, and the other end is pulled at the lower end of the upright post. The operation hand lever hooks the front end of the carriage hook limit frame to complete the hanging and leaning between the tractor and the carriage.

Description

Carriage hanging mechanism

Technical Field

The utility model relates to the technical field of agricultural transport means, in particular to a carriage vehicle hanging mechanism.

Background

A latch or similar structure is often employed between the front body and the carriage and between the carriages of existing scooters, which, although capable of quickly connecting multiple scooters, must be fully aligned for insertion between the scooters. However, when the pallet truck is loaded with goods, the alignment operation of the mortise lock structure is often inconvenient due to soft soil in the chicken coop, a large amount of time can be wasted, and the operation efficiency is low.

For example, the utility model patent with the publication number of CN214930343U discloses an electric tricycle with a supporting plate, which comprises a vehicle body, a rod-scratching structure and the supporting plate behind the vehicle body, wherein the vehicle body and the supporting plate are connected by using a mortise lock structure, two sets of mutually independent control mechanisms of the mortise lock structure are arranged, and a forward structure is arranged in front of the vehicle body, so that the vehicle body can keep forward all the time when running forward in a chicken coop; the front of the vehicle body is provided with a forward structure, the front of the vehicle body is also provided with a rod-drawing structure for ensuring the vehicle body to travel along a straight line, the rear wheel of the vehicle body is a driving wheel, the vehicle body can be further designed into two front wheels, and one transverse connecting rod is additionally arranged. The mortise lock structure disclosed in this patent document must be inserted after alignment between the vehicle body and the pallet, and requires much time and effort to align.

Disclosure of Invention

The utility model aims to provide an electric vehicle hanging mechanism for solving the problems in the background art.

In order to achieve the above purpose, the technical scheme is as follows:

the utility model provides a carriage car is hung and is leaned on mechanism, falls into the two kinds of situations of hanging between tractor and the carriage and hanging between carriage and the carriage.

When the tractor is hung on the carriage, the rear end of the carriage body is provided with a hand lever, the hand lever is connected to the upright post through a shaft sleeve, and the upright post is fixed at the rear end of the carriage body. The hand lever pulls the pull rod through the sleeve, and the pull rod pulls the hook through the shaft sleeve.

When the carriage is in leaning connection with the carriage, the front end of the carriage is provided with a hook limiting frame which is a hook falling area, the front end of the carriage is provided with a hand lever, the hand lever is connected to a pull rod through a front spanner rod connected with the hand lever, the pull rod is connected with a rear carriage rod, and the rear spanner rod is connected with the hook. The short shaft sleeve A and the long shaft sleeve A are respectively matched on the short shaft A and the long shaft A, and a front spanner rod is arranged between the short shaft sleeve A and the long shaft sleeve A to be connected into a whole. The short shaft sleeve B and the long shaft sleeve B are respectively matched on the short shaft B and the long shaft B, and a rear spanner rod is arranged between the short shaft sleeve B and the long shaft sleeve B to be connected into a whole. The pull rod is pulled by a spring between the pull rod and the rear frame for resetting the hook.

The lock structure is positioned on the hook limiting frame and used for reducing the excessive forward-thrust displacement of the carriage. The lock structure comprises a lock tongue, a torsion spring, a rod sleeve and a fixed pin. And a stop block is fixed on the hook limiting frame and used for blocking the lock tongue. The front end of the carriage is provided with two universal wheels, and the rear end of the carriage is provided with two directional wheels.

When the carriage is in close contact with the carriage, the hand lever is positioned outside the side edge of the carriage, the front end of the hand lever is provided with a spring, the other end of the spring is fixed on the side edge of the carriage, the rear end of the hand lever is connected with a transverse transmission shaft, the transverse transmission shaft is fixed in three shaft sleeves welded on the rear cross beam, and the middle of the transverse transmission shaft is fixedly connected with the hook.

Compared with the prior art, the utility model has lower requirement on the falling position of the hook, and increases the reliability of the hanging mechanism; moreover, the hanging mechanism is simple and convenient to operate, saves time and labor, and can meet the requirements of transportation of the chicken coops inside and outside the chicken coop.

Drawings

Fig. 1: side view of tractor hanging mechanism

Fig. 2: carriage top view

Fig. 3: side view of hanging and leaning mechanism between plankers

Fig. 4: side view of lock structure

Fig. 5: front view of spanner bar connecting structure

The marks in the figure: a hand lever, a short shaft sleeve A, a 3 upright post, a4 long shaft sleeve A, a 5 pull rod, a 6 short shaft sleeve B, a 7 hook, an 8 spring, a 9 hook limit frame, a 10 lock structure, a 101 lock tongue, a 102 torsion spring, a 103 rod sleeve, a 104 fixed pin, an 11 universal wheel, 12 orientation wheels, 13 front spanner bars, 15 rear spanner bars, 17 long shaft sleeves B,18 short shafts A,19 long shafts A,20 short shafts B,21 long shafts B,22 carriage middle frames, 23 front cross beams, 24 rear cross beams, 25 transverse transmission shafts and 26 stops.

Detailed Description

The utility model will be further explained and illustrated with reference to the drawings and examples.

Example 1: referring to fig. 1-5, when the carriage is hung, the front end of the carriage is a hook limiting frame 9, the whole carriage is triangular, the front end is rectangular, after the hook 7 falls into the hook limiting frame 9, the hook 7 moves forward continuously, the lock tongue 101 opens after encountering the lock tongue 101, and the hook 7 enters the rectangular front end. The lock tongue 101 returns under the rotary action of the torsion spring 102 and leans against the stop block 26, and the hook 7 is locked to prevent the hook from returning to the rear triangle, so that one-time leaning action is completed. The front end of the carriage is provided with a hand lever 1, a long shaft sleeve A4 is fixed on a front cross beam 23, the long shaft sleeve A4 is sleeved on a long shaft A19, and a short shaft sleeve A2 is sleeved on a short shaft A18. The short shaft A18 is above the long shaft A19, the short shaft sleeve A2 and the long shaft sleeve A4 are connected into a whole by the front spanner 13, and the hand lever 1 is fixed on the long shaft sleeve A4. The short shaft sleeve A2 is connected with the pull rod 5, the pull rod 5 is connected with a short shaft sleeve B6 at the rear end of the carriage, a long shaft sleeve B17 is fixed on the rear cross beam 24, the long shaft sleeve B17 is sleeved on the long shaft B21, and the short shaft sleeve B6 is sleeved on the short shaft B20. The short shaft sleeve B6 is connected with the long shaft sleeve B17 and the rear spanner 15 to form a fixing piece, and the hook 7 is fixed on the long shaft sleeve B17. The front end of the spring 8 is pulled on the pull rod 5, and the rear end is pulled on the rear cross beam 24.

When the tractor and the carriage are hung, the upright post 3 is fixed at the rear part of the tractor, the short shaft sleeve A2 is fixed on the upright post 3, the long shaft sleeve A4 is fixed at the upper end of the hand lever 1, the upper end of the pull rod 5 is connected with the long shaft sleeve A4, the lower end of the pull rod is connected with the long shaft sleeve B17, the long shaft sleeve B17 is connected with the hook 7, the short shaft sleeve B6 is fixed on the upright post 3, the other end of the hook 7 is connected with the short shaft sleeve B6, the upper end of the spring 8 is pulled at the upper end of the hand lever 1, and the lower end of the spring 8 is pulled at the lower end of the upright post 3. The hand lever 1 is pressed down, under the shaft sleeve connection, the pull rod 5 pulls the hook 7 upwards, so that the hook 7 enters the hook limiting frame 9, the hook 7 is loosened, the vehicle moves forward, the hook 7 enters the quadrangle at the front end of the hook area through the lock tongue 101, and the lock tongue 101 returns to lock the hook 7 under the action of the torsion spring 102. Pulling the carriage to a position and pressing the hand lever l backwards, the hook 7 is lifted, the vehicle moves forward, and the vehicle is separated from the carriage. The operator can operate the tractor and the carriage to be hung up and separated only by operating the hand lever 1 without getting off.

Example 2: referring to fig. 2, when the carriage is in contact with the carriage, the hand lever 1 is disposed outside the side of the carriage, a spring 8 is disposed at the front end of the hand lever 1, the other end of the spring 8 is fixed on the side of the carriage, a transverse transmission shaft 25 is connected to the rear end of the hand lever 1, the transverse transmission shaft 25 is fixed in three shaft sleeves welded on the rear cross beam 24, and the middle of the transverse transmission shaft 25 is fixedly connected with the hook 7.

Claims (2)

1. The utility model provides a carriage car is hung and is leaned on mechanism for tractor and carriage and the two kinds of circumstances of hanging between carriage and the carriage, its characterized in that: when the tractor and the carriage are hung, the upright post (3) is fixed at the rear part of the tractor, the short shaft sleeve A (2) is fixed on the upright post (3), the hand lever (1) is connected with the shaft of the short shaft sleeve A (2), the upper end of the hand lever (1) is connected with the long shaft sleeve A (4), the upper end of the pull rod (5) is connected with the shaft of the long shaft sleeve A (4), the lower end of the pull rod is connected with the shaft of the long shaft sleeve B (17), the long shaft sleeve B (17) is fixed at one end of the hook (7), and the other end of the hook (7) is connected with the shaft of the short shaft sleeve B (6); the short shaft sleeve B (6) is fixed on the upright post (3); the upper end of the spring (8) pulls the upper end of the rod (1) and the lower end of the upright post (3); when the carriage is hung between the carriage and the carriage, the front end of the carriage is provided with a hook limit frame (9) and a lock structure (10); the hook limiting frame (9) forms a hook falling area with a rectangular front end in a whole triangle shape; the middle part of the carriage is provided with a pull rod structure penetrating through the middle position of the carriage; the front end of the carriage is provided with a hand lever (1), the hand lever is connected to a pull rod (5) through a front spanner (13) connected with the hand lever (1), and the pull rod (5) is connected with a rear spanner (15); a spring (8) is arranged between the pull rod (5) and the rear cross beam (24) to keep the pull rod (5) with backward force; the two shaft sleeves at the front end of the carriage are fixed on a front cross beam (23); the long shaft sleeve A (4) is matched with the long shaft A (19), the short shaft sleeve A (2) is matched with the short shaft A (18), and the long shaft sleeve A and the short shaft sleeve A are connected into a whole through the front spanner (13); the short shaft A (18) is connected with a pull rod (5), and the other end of the pull rod (5) is connected with a short shaft sleeve B (6) at the rear end of the carriage; the connecting structure of the pull rod at the rear part of the carriage is similar to the connecting structure of the pull rod at the front part, and the only difference is that a hook (7) is used for replacing the hand rod (1); the long shaft sleeve B (17) is fixed on the rear cross beam (24);

the front end of the carriage is provided with two universal wheels (11), and the rear end is provided with two directional wheels (12); the lock structure (10) is located on the hook limiting frame (9), and comprises a lock tongue (101), a torsion spring (102), a rod sleeve (103) and a fixing pin (104), wherein the rod sleeve (103) is fixed on the hook limiting frame (9), and a stop block (26) is arranged on the hook limiting frame (9) to block the lock tongue (101).

2. The carriage hitch mechanism of claim 1, wherein: when the carriage is hung on the carriage, the hand lever (1) is positioned outside the side edge of the carriage, the front end of the hand lever (1) is provided with a spring (8), the other end of the spring (8) is fixed on the side edge of the carriage, the rear end of the hand lever (1) is connected with a transverse transmission shaft (25), the transverse transmission shaft (25) is fixed in three shaft sleeves welded on the rear cross beam (24), and the middle of the transverse transmission shaft (25) is fixedly connected with the hook (7).

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