Backup steering locking mechanism of wheel steering full trailer

Abstract

The utility model discloses a reversing steering locking mechanism of a wheel steering full trailer, which comprises a frame, a turntable frame is rotatably connected below the frame, a lock hole is arranged at the lower end of the frame, a support cylinder is arranged on the turntable frame, an upper port of the support cylinder is opposite to a lower port of the lock hole, and a reversing lock rod is slidably arranged in the support cylinder. The upper end of the reversing lock rod penetrates through the lock hole in a sliding mode, a first limiting ring groove and a second limiting ring groove are formed in the upper end and the lower end of the reversing lock rod respectively, a lock pin is arranged on the supporting cylinder, a locking mechanism is arranged on the supporting cylinder, and the locking mechanism is used for driving the lock pin to be clamped in the first limiting ring groove or the second limiting ring groove; the device has the characteristics of low cost, convenience in installation, compact structure, simplicity, universality, easiness in popularization and application and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to a wheel steering full trailer equipment technical field. BACKGROUND

[0002] The trailer is an organic component of the vehicle equipment system, cooperates with the vehicle equipment to form an effective transportation and maneuvering platform, is widely used in the tasks of material transportation, equipment transportation and equipment loading, and plays an important role in the military and civilian life guarantee fields. With the development of the trailer equipment, new requirements are put forward for the operability, reliability and safety of the trailer.

[0003] The traditional reverse steering locking mechanism mainly has the following problems: the traditional structure uses a shaft to penetrate a hole from top to bottom, which is not convenient in the operation process, especially when unlocking, the shaft cannot be automatically pulled out, usually needs to be pulled out by the staff with continuous force, the remaining staff rotates the disc holder until the hole shaft center line is aligned, then pulls out, requires mutual coordination of the two parties in the operation process, and the process is relatively complicated; the traditional steering locking mechanism usually only has single limiting, does not limit the self-rotation of the shaft, often causes the shaft to produce cumulative deformation in the same direction in the use process, the structure is easy to be damaged, and the reliability and service life of the shaft are reduced. SUMMARY

[0004] To solve the above technical problems, the utility model provides a wheel steering full trailer reverse steering locking mechanism.

[0005] The utility model is realized through the following technical schemes.

[0006] The wheel steering full trailer reverse steering locking mechanism provided by the utility model, including frame, the disc holder is rotatably connected below the frame, the lower end of the frame is equipped with the lock hole, the upper end of the support cylinder is opposite to the lower end of the lock hole, the reverse lock rod is slidably arranged in the support cylinder, the upper end of the reverse lock rod is slidably arranged in the lock hole, the upper end and the lower end of the reverse lock rod are respectively provided with the first limiting ring groove and the second limiting ring groove, the lock pin is arranged on the support cylinder, the locking mechanism is arranged on the support cylinder, and the locking mechanism is used for driving the lock pin to be clamped in the first limiting ring groove or the second limiting ring groove.

[0007] Preferably, the locking mechanism comprises a sleeve, a spring, a front limiting ring and a rear limiting ring, the sleeve is fixedly installed on the outer side of the support cylinder, the sleeve is in communication with the inside of the support cylinder, the rear limiting ring is fixedly installed at one end of the sleeve away from the support cylinder, the front end of the lock pin is slidably arranged through the rear limiting ring and points to the inside of the support cylinder, the inner ring of the front limiting ring is fixed at the front end of the lock pin, the outer ring of the front limiting ring is slidably arranged in the sleeve, and the spring is installed between the front limiting ring and the rear limiting ring.

[0008] Preferably, an operating handle is fixed on the reverse lock rod, a guide rail is formed on the side wall of the supporting cylinder in vertical direction, and the end of the operating handle away from the reverse lock rod penetrates through the guide rail and extends out of the supporting cylinder.

[0009] Preferably, a limiting gap is arranged at the upper end of the guide rail.

[0010] Preferably, a bottom plate is fixed at the lower end of the rotating disc holder, and the supporting cylinder is installed on the bottom plate.

[0011] Preferably, a cover plate is connected to the bottom plate through bolts.

[0012] Preferably, the front limiting ring is installed on the locking pin through a stop pin.

[0013] Preferably, the rear limiting ring is installed on the sleeve through a set screw.

[0014] Preferably, a pulling handle is arranged at the rear end of the locking pin.

[0015] The utility model discloses the beneficial effect lies in:

[0016] 1, initial state, through the locking mechanism, the locking pin is fixed in the limiting ring groove of the upper end of the reverse lock rod, and the reverse lock rod is not arranged in the lock hole, and the rotation of the rotating disc holder is not affected by the frame.

[0017] 2, the structure is low in cost, convenient to install, compact in structure, simple and universal, and easy to popularize and apply.

[0018] 3, the structure is switched in the driving and reversing state, avoids the same direction cumulative deformation of the rotating shaft, is not easy to damage, and increases the reliability and service life of the structure. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the rotating disc holder locking structure schematic view of the utility model;

[0020] Figure 2 It is the rotating disc holder unlocking structure schematic view of the utility model;

[0021] Figure 3 It is the structure schematic view mainly used for showing the locking mechanism and the upper lock state of the reverse lock rod of the utility model;

[0022] Figure 4The utility model mainly discloses a structure diagram for showing the locking mechanism and the lock state of the reversing lock rod.

[0023] Figure 5 The utility model mainly discloses a structure diagram for showing the locking mechanism and the lock state of the reversing lock rod.

[0024] In the drawing: 1 - frame, 2 - lock hole, 3 - reversing lock rod, 4 - support cylinder, 5 - fixed plate, 6 - locking mechanism, 7 - operating handle, 8 - bottom plate, 9 - cover plate, 10 - rotating disc holder, 11 - first limiting ring groove, 12 - second limiting ring groove, 13 - guide rail, 14 - limiting gap, 15 - pulling handle, 61 - sleeve, 62 - lock screw, 63 - spring, 64 - stop pin, 65 - lock pin, 66 - front limiting ring, 67 - rear limiting ring. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] It should be noted that all the directionality indications (such as up, down, left, right, front, back, etc.) in the embodiments of the utility model are only used for explaining the relative position relationship, movement condition, etc. between the components in a certain specific posture (as shown in the drawings). If the specific posture changes, the directionality indications also change accordingly.

[0027] In the embodiments, referring to Figure 1 , the utility model discloses a frame 1, the rotating disc holder 10 is rotatably connected below the frame 1, two bottom plates 8 are fixedly connected to the lower end of the rotating disc holder 10, the cover plate 9 is fixedly connected to the lower end surface of the two bottom plates 8 through bolts, the support cylinder 4 is provided with a stable support table by the cooperation of each group of bottom plate 8 and cover plate 9, the lower end of the frame 1 is also provided with two lock holes 2, the upper end of the two support cylinders 4 is respectively opposite to the lower end of the two lock holes 2, and there is a certain interval distance between the support cylinder 4 and the corresponding lock hole 2.

[0028] In the embodiments, referring to Figure 1 and Figure 3 , the reversing lock rod 3 is slidably arranged in the support cylinder 4, the upper end of the reversing lock rod 3 is slidably arranged in the lock hole 2, the first limiting ring groove 11 and the second limiting ring groove 12 are arranged at the upper end and the lower end of the reversing lock rod 3 respectively, the lock pin 65 is arranged on the support cylinder 4, and the lock pin 65 is adapted to be clamped with the first limiting ring groove 11 and the second limiting ring groove 12.

[0029] In the embodiment, referring to Figure 1 , Figure 3 , Figure 4 and Figure 5 , the support cylinder 4 is provided with a locking mechanism 6, which is used to drive the locking pin 65 to be clamped in the first limiting ring groove 11 or the second limiting ring groove 12.

[0030] The locking mechanism 6 comprises a sleeve 61, a spring 63, a front limiting ring 66 and a rear limiting ring 67. The sleeve 61 is fixedly installed on the outer side of the support cylinder 4, and the sleeve 61 is in communication with the inside of the support cylinder 4. The sleeve 61 and the support cylinder 4 are vertically arranged.

[0031] The rear limiting ring 67 is installed in the sleeve 61 away from the support cylinder 4 at one end, and the front end of the locking pin 65 slides through the rear limiting ring 67 and points to the inside of the support cylinder 4. The locking pin 65 and the stop pin 64 are coaxially arranged, and the stop pin 64 passes through the front limiting ring 66 and the locking pin 65 together, so that the inner ring of the front limiting ring 66 is fixed on the front end of the locking pin 65, and the outer ring of the front limiting ring 66 is slidably arranged in the sleeve 61. The spring 63 is installed between the front limiting ring 66 and the rear limiting ring 67, and the two ends of the spring 63 are respectively abutted against the front limiting ring 66 and the rear limiting ring 67. The spring 63 is also sleeved on the locking pin 65, so as to facilitate the elastic expansion and contraction of the locking pin 65.

[0032] In the first state, the first limiting ring groove 11 is located at the communication position of the sleeve 61 and the support cylinder 4, and the locking pin 65 is clamped in the first limiting ring groove 11 by the spring 63. The reverse lock rod 3 is located in the support cylinder 4, the support cylinder 4 and the lock hole 2 are in a disconnected state, and the rotation of the rotating disc frame 10 does not affect the vehicle frame 1. In the second state, the upper end of the reverse lock rod 3 slides into the lock hole 2, and at this time, the second limiting ring groove 12 moves to the connecting position of the sleeve 61 and the support cylinder 4. The locking pin 65 is clamped in the second limiting ring groove 12 by the spring 63, so as to realize the locking of the reverse lock rod 3, fix the reverse lock rod 3 in the lock hole 2, and connect the lock hole 2 and the support cylinder 4 through the reverse lock rod 3. The rotating disc frame 10 is fixed on the vehicle frame 1 and no longer rotates.

[0033] In the embodiment, referring to Figure 3 , the rear end of the locking pin 65 is integrally connected with a pulling handle 15, and the pulling handle 15 and the locking pin 65 are jointly formed in an "L" shape, so as to facilitate the pulling handle 15 to pull the locking pin 65 to slide and expand in the sleeve 61.

[0034] In the embodiment, referring to Figure 1 and Figure 2The operation handle 7 is fixed on the reverse locking rod 3, a guide rail 13 is formed on the side wall of the supporting cylinder 4 in the vertical direction, the end of the operation handle 7 away from the reverse locking rod 3 penetrates through the guide rail 13 and extends out of the supporting cylinder 4, so that the operation handle 7 moves along the guide rail 13, and the reverse locking rod 3 is driven to move in the supporting cylinder 4, and the guide rail 13 has a guiding effect; the upper end of the guide rail 13 is provided with a limiting gap 14, when the operation handle 7 moves to the upper end of the guide rail 13, the operation handle 7 is clamped into the limiting gap 14 by rotating the operation handle 7, and the supporting capacity of the reverse locking rod 3 is improved.

[0035] In the embodiment, the reverse locking device is used for the steering wheel of a vehicle. Figure 1 Two fixed plates 5 are installed on the edge of the rotating disc holder 10, the two fixed plates 5 are provided with positioning holes, and the two supporting cylinders 4 penetrate through the two positioning holes, and the fixed plates 5 limit and support the supporting cylinders 4.

[0036] The working process of the embodiment is as follows: when the reverse locking steering is performed, the handle 15 is pulled to pull the locking pin 65 out of the first limiting ring groove 11, the rotating disc holder 10 is rotated to align the center line of the reverse locking rod 3 with the center line of the lock hole 2, the operation handle 7 is driven to move upwards along the guide rail 13 to push the reverse locking rod 3 into the corresponding lock hole 2, the operation handle 7 moves to the upper end of the guide rail 13, the operation handle 7 is clamped in the limiting gap 14 by rotating the operation handle 7, and the locking pin 65 is pushed into the second limiting ring groove 12 and clamped tightly under the action of the spring 63, that is, the reverse steering locking is completed.

[0037] When the locking pin 65 is pulled out of the second limiting ring groove 12, the operation handle 7 is rotated to slide into the guide rail 13, at this time, the reverse locking rod 3 automatically slides downwards under the action of gravity, when the reverse locking rod 3 slides to the bottom, the first limiting ring groove 11 moves to the communication position of the sleeve 61 and the supporting cylinder 4, the locking pin 65 enters the first limiting ring groove 11 and is clamped tightly under the action of the spring 63, that is, the steering unlocking is completed.

[0038] The above is only the preferred embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structural transformation, direct / indirect application in other related technical fields under the concept of the utility model and the contents of the utility model specification and drawings are included in the patent protection range of the utility model.

Claims

1. A reverse steering lock mechanism for a wheel-steered full trailer, characterized by: The application relates to a vehicle frame, which comprises a vehicle frame (1), a rotary disc frame (10) rotatably connected to the lower part of the vehicle frame (1), a locking hole (2) arranged at the lower end of the vehicle frame (1), a supporting cylinder (4) arranged on the rotary disc frame (10), the upper end of the supporting cylinder (4) is oppositely arranged with the lower end of the locking hole (2), a reverse locking rod (3) is slidably arranged in the supporting cylinder (4), the upper end of the reverse locking rod (3) is slidably arranged in the locking hole (2), the upper end and the lower end of the reverse locking rod (3) are respectively provided with a first limiting ring groove (11) and a second limiting ring groove (12), a locking pin (65) is arranged on the supporting cylinder (4), a locking mechanism (6) is arranged on the supporting cylinder (4), and the locking mechanism (6) is used for driving the locking pin (65) to be clamped in the first limiting ring groove (11) or the second limiting ring groove (12).

2. A reverse steering lock mechanism for a steered wheel whole trailer as claimed in claim 1 wherein: The locking mechanism (6) comprises a sleeve (61), a spring (63), a front limiting ring (66) and a rear limiting ring (67), the sleeve (61) is fixedly arranged on the outer side of the supporting cylinder (4), the sleeve (61) is in communication with the inside of the supporting cylinder (4), the rear limiting ring (67) is fixedly arranged on the end of the sleeve (61) away from the supporting cylinder (4), the front end of the locking pin (65) is slidably arranged through the rear limiting ring (67) and points to the inside of the supporting cylinder (4), the inner ring of the front limiting ring (66) is fixed on the front end of the locking pin (65), the outer ring of the front limiting ring (66) is slidably arranged in the sleeve (61), and the spring (63) is arranged between the front limiting ring (66) and the rear limiting ring (67).

3. A reverse steering lock mechanism for a wheel steered single axle trailer as claimed in claim 1 wherein: An operation handle (7) is fixedly arranged on the reverse locking rod (3), a guide rail (13) is arranged on the vertical wall of the supporting cylinder (4), the end of the operation handle (7) away from the reverse locking rod (3) is arranged through the guide rail (13) and extends out of the supporting cylinder (4).

4. A reverse steering lock mechanism for a steered wheel whole trailer as claimed in claim 3 wherein: The upper end of the guide rail (13) is provided with a limiting gap (14).

5. A reverse steering lock mechanism for a wheel steered single axle trailer as claimed in claim 1 wherein: A bottom plate (8) is fixedly arranged at the lower end of the rotary disc frame (10), and the supporting cylinder (4) is arranged on the bottom plate (8).

6. A reverse steering lock mechanism for a steered wheel trailer as claimed in claim 1 wherein: A cover plate (9) is connected to the lower end of the bottom plate (8) through bolts.

7. A reverse steering lock mechanism for a steered wheel trailer as claimed in claim 2 wherein: The front limiting ring (66) is arranged on the locking pin (65) through a stop pin (64).

8. A wheel steering trailer reverse steering lock mechanism as claimed in claim 2 wherein: The rear limiting ring (67) is arranged on the sleeve (61) through a locking screw (62).

9. A wheel steering trailer reverse steering lock mechanism as claimed in claim 1 wherein: The rear end of the locking pin (65) is provided with a pulling handle (15).

10. A reverse steering lock mechanism for a steered wheel trailer as claimed in claim 1 wherein: A fixed plate (5) is arranged on the edge of the rotary disc frame (10), and the supporting cylinder is arranged through the fixed plate (5).

Images