Slide rail type bidirectional telescopic mechanism

Abstract

The utility model discloses a slide rail type bidirectional telescopic mechanism, which relates to the technical field of road wreckers and comprises an auxiliary frame assembly, at least one scissor lift is transversely arranged below the auxiliary frame assembly, at least one support leg assembly is arranged on each scissor lift in a spanning manner, the support leg assemblies are connected with the auxiliary frame assembly through the support leg assemblies, and the auxiliary frame assembly is connected with the slide rail type bidirectional telescopic mechanism through the support leg assemblies. And the supporting leg assemblies are connected with the corresponding shear type lifters through the telescopic sliding rails and used for driving the shear type lifters to transversely stretch out and reset from the lower portion of the auxiliary frame assembly. The bidirectional side-mounted road wrecker can be applied to left and right bidirectional side-mounted road wreckers.

Description

TECHNICAL FIELD

[0001] The utility model relates to road wrecker technical field, specifically to a slide rail type bidirectional telescopic mechanism. BACKGROUND

[0002] The existing side-mounted road wrecker mainly realizes the transverse movement and vertical lifting of the fault vehicle through the transverse mechanism and vertical mechanism, and the transverse mechanism is mostly arranged above the automobile chassis, and the vertical mechanism is arranged on the transverse mechanism. The side-mounted road wrecker with the structure is always inclined to the left side or the right side of the wrecker, and the transverse mechanism and the vertical mechanism are arranged relatively concentratedly, so that the concentrated space above the chassis is relatively large, thereby causing the lateral deviation of the gravity center of the whole vehicle. In addition, the side-mounted road wrecker with the structure cannot realize the left-right bidirectional side mounting function.

[0003] For example, the Chinese patent document "A rear support leg and lifting mechanism combination of wrecker" (patent application number: 202222046125.0) discloses a rear support leg and lifting mechanism combination of wrecker, which comprises a wrecker body, a connecting arm and a lifting mechanism, the wrecker body and the connecting arm are connected through a lifting oil cylinder, one end of the connecting arm away from the wrecker body is rotationally connected with the lifting mechanism, both ends of the lifting mechanism are fixedly connected with telescopic arms, the bottom of the telescopic arm is connected with a first arm through a lifting oil cylinder, both ends of the first arm are slidably connected with a second arm, the outer wall of the second arm and the first arm is connected through a first opening and closing oil cylinder, one end of the second arm away from the first arm is connected with a third arm through a second opening and closing oil cylinder. The scheme adopts an integral structure, compared with the traditional split rear support leg, the base arm of the rear support leg can be longer, plus two long telescopic arms, so that the overall rear support leg can be greatly widened after opening, the rear support leg avoids the whole vehicle supporting arm, and the cross section height of the support leg can also be higher, and the overall carrying capacity is relatively stronger. However, this structure also cannot realize the left-right bidirectional side mounting function. SUMMARY

[0004] In view of the defects in the prior art, the utility model aims to provide a slide rail type bidirectional telescopic mechanism which can be applied to the left-right bidirectional side-mounted road wrecker.

[0005] To achieve the above purpose, the utility model adopts the technical scheme: a slide rail type bidirectional telescopic mechanism, comprising a sub-frame assembly, at least one scissor lifting machine is arranged below the sub-frame assembly along the transverse direction, at least one support leg assembly is arranged on each scissor lifting machine, the support leg assembly is connected with the sub-frame assembly through a support leg assembly, and the support leg assembly is connected with the corresponding scissor lifting machine through a telescopic slide rail, and the scissor lifting machine is driven to extend transversely from below the sub-frame assembly and reset.

[0006] Further improvement lies in that the support assembly is in a door-shaped structure, comprising a top plate and two side plates, and the top plate is provided with a first mounting seat; the lower end of the support leg assembly is hinged to the first mounting seat through a longitudinally arranged first pin shaft.

[0007] Further improvement lies in that the support assembly further comprises a connecting seat, a second mounting seat and a guide column; the side surface of the connecting seat is fixedly connected with the telescopic slide rail, and the top of the connecting seat is provided with a threaded sleeve; the second mounting seat is fixedly connected with the top plate, and the second mounting seat is provided with a guide sleeve; the guide column is inserted into the guide sleeve, and the lower end of the guide column is threadedly connected with the threaded sleeve after penetrating through the second mounting seat.

[0008] Further improvement lies in that a limiting pin is arranged between the guide column and the threaded sleeve.

[0009] Further improvement lies in that the telescopic slide rail comprises an outer slide rail, a first inner slide rail and a second inner slide rail; the first inner slide rail is slidingly connected with the outer side surface of the outer slide rail, and the first inner slide rail is fixedly connected with the connecting seat through a first support; the second inner slide rail is slidingly connected with the inner side surface of the outer slide rail, and the second inner slide rail is fixedly connected with the scissor lifting machine through a second support.

[0010] Further improvement lies in that the telescopic slide rail further comprises a telescopic oil cylinder, the cylinder body of the telescopic oil cylinder is connected with the corresponding connecting seat through a plug pin, and the piston rod of the telescopic oil cylinder is connected with the outer slide rail through a plug pin.

[0011] Further improvement lies in that the two ends of the outer slide rail are respectively provided with pulleys, the pulleys are respectively wound with steel wires, the two ends of the steel wire located at the distal end are fixedly connected with the proximal end of the first inner slide rail and the second inner slide rail through buckles, and the two ends of the steel wire located at the proximal end are fixedly connected with the distal end of the first inner slide rail and the second inner slide rail through buckles.

[0012] Further improvement lies in that the support leg assembly comprises an outer sleeve, an inner sleeve and a lifting oil cylinder, the upper end of the outer sleeve is fixedly connected with the auxiliary frame assembly, the cylinder body of the lifting oil cylinder is connected with the outer sleeve through a second pin shaft, the piston rod of the lifting oil cylinder is connected with the inner sleeve through a third pin shaft, and the lower end of the inner sleeve is hinged to the first mounting seat through a longitudinally arranged first pin shaft.

[0013] Further improvement lies in that the scissor lifting machine is provided with two, which are arranged in parallel below the auxiliary frame assembly.

[0014] Further improvement lies in that the scissor lifting machine is provided with two support assemblies which are arranged above the scissor lifting machine and are respectively located at the two ends of the scissor lifting machine.

[0015] The beneficial effects of the utility model lie in:

[0016] 1. The utility model discloses a shearing type lifting machine is hidden completely under chassis respectively when not exerting rescue action, and has certain height from ground, fully utilizes the narrow space under the chassis of the car, does not influence the appearance size below the chassis of the wrecker completely. The supporting leg can control the telescopic length independently, so that the wrecker can adapt to the inclined ground, and the towing plate is parallel to the ground where the fault vehicle is located. The front and rear shearing type lifting machines can be extended to below the chassis of the fault vehicle synchronously, and are close to the front wheel and the rear wheel of the fault vehicle respectively, so that the stability of the whole vehicle when the wrecker exerts rescue action can be ensured to the maximum extent.

[0017] 2. In the utility model, the supporting leg assembly is in a door-shaped structure, and the lower end of the supporting leg assembly is hinged to the first mounting seat through the longitudinally arranged first pin shaft, so that the supporting leg assembly can be flipped in the front and rear directions by a small angle. The purpose is to adapt to complex ground, so that the supporting leg can be fully grounded, and the problem of shaking caused by the supporting leg not being fully grounded due to uneven ground can be avoided.

[0018] 3. In the utility model, the second mounting seat is provided with a guide sleeve, and the guide column is inserted into the guide sleeve and is threadedly connected to the threaded sleeve at the lower end of the guide column. When assembling, the shearing type lifting machine and the telescopic slide rail can be assembled into a whole in advance and then assembled with the supporting leg. This not only eliminates the cumulative error caused by part of the production and manufacturing, but also enables the telescopic slide rail and the shearing type lifting machine to smoothly extend or retract on the ground with foreign matters such as gravel without jolting.

[0019] 4. In the utility model, the cylinder body of the telescopic oil cylinder is connected to the corresponding connecting seat through a latch, and the piston rod of the telescopic oil cylinder is connected to the second inner slide rail through a latch. When it is necessary to switch the extension direction of the telescopic slide rail, it is only necessary to adjust the position and direction of the telescopic oil cylinder through the latch. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a perspective view of the slide rail type bidirectional telescopic mechanism in the embodiment of the utility model;

[0021] Figure 2 It is a front view of the slide rail type bidirectional telescopic mechanism in the embodiment of the utility model;

[0022] Figure 3 It is a side view of the slide rail type bidirectional telescopic mechanism in the embodiment of the utility model;

[0023] Figure 4 It is a structural schematic view of the supporting leg assembly in the embodiment of the utility model;

[0024] Figure 5 It is a top view of Figure 4 ;

[0025] Figure 6 It is a left view of Figure 4 ; and

[0026] Figure 7 is a sectional view of the embodiment of the present application; Figure 6

[0027] Figure 8 is a structural schematic view of the support leg assembly in the embodiment of the present application;

[0028] Figure 9 is a sectional view of the support leg assembly in the embodiment of the present application;

[0029] Figure 10 is a structural schematic view of the telescopic slide rail in the embodiment of the present application;

[0030] Figure 11 is a side view of the telescopic slide rail in the embodiment of the present application;

[0031] Figure 12 is a working state schematic view of the telescopic slide rail in the embodiment of the present application;

[0032] Figure 13 is a working state schematic view of the slide rail type bidirectional telescopic mechanism in the embodiment of the present application.

[0033] Reference signs:

[0034] 1 - subframe assembly;

[0035] 2 - scissor lift;

[0036] 3 - support leg assembly; 301 - top plate; 302 - side plate; 303 - first mounting seat; 304 - first pin shaft; 305 - second mounting seat; 306 - guide sleeve; 307 - guide column; 308 - connecting seat; 309 - threaded sleeve; 310 - limiting pin;

[0037] 4 - support leg assembly; 41 - outer sleeve; 42 - inner sleeve; 43 - lifting oil cylinder; 44 - second pin shaft; 45 - third pin shaft;

[0038] 5 - telescopic slide rail; 51 - outer slide rail; 52 - first inner slide rail; 53 - second inner slide rail; 54 - first support; 55 - second support; 56 - pulley; 57 - lock catch; 58 - steel wire rope; 59 - telescopic oil cylinder. DETAILED DESCRIPTION

[0039] The embodiments of the present application are described in detail below, and the embodiments are shown in the accompanying drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout.

[0040] ​In the description of the utility model, it is necessary to explain that, for the direction word, if the term "center", "transverse (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation and positional relationship based on the orientation or positional relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, and not indicating or implying that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and cannot be understood as limiting the specific protection scope of the utility model.

[0041] In addition, if the terms "first", "second" are only used for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. Therefore, the "first", "second" features can be explicitly or implicitly included one or more features, and in the description of the utility model, the meaning of "several", "several" is two or more than two, unless otherwise explicitly specified.

[0042] The technical scheme of the utility model and its beneficial effects will be clearer and more explicit by further describing the specific embodiments of the utility model in conjunction with the drawings of the specification. The following description of the embodiments by referring to the drawings is exemplary and is intended to explain the utility model, and cannot be understood as limiting the utility model.

[0043] Referring to Figures 1-3 The utility model embodiment provides a slide rail type bidirectional telescopic mechanism, including vice frame assembly 1, vice frame assembly 1 below at least along the transverse direction is provided with one shear type lifting machine 2, at least one foot assembly 3 is arranged on each shear type lifting machine 2, foot assembly 3 is connected with vice frame assembly 1 through supporting leg assembly 4, and foot assembly 3 is connected with corresponding shear type lifting machine 2 through telescopic slide rail 5, for driving shear type lifting machine 2 from vice frame assembly 1 below transversely extends and resets.In the embodiment, two shear type lifting machines 2 are arranged, and are parallelly arranged below vice frame assembly 1.Two foot assemblies 3 are arranged on shear type lifting machine 2, and are respectively located at both ends of shear type lifting machine 2.

[0044] Referring to Figures 4-7As shown, the support leg assembly 3 is in a door-shaped structure, including a top plate 301 and two side plates 302, and the top plate 301 is provided with a first mounting seat 303; the lower end of the support leg assembly 4 is hinged to the first mounting seat 303 through a longitudinally arranged first pin shaft 304. Specifically, the support leg assembly 3 further includes a connecting seat 308, a second mounting seat 305 and a guide column 307; the side surface of the connecting seat 308 is fixedly connected with the telescopic slide rail 5, and the top of the connecting seat 308 is provided with a threaded sleeve 309; the second mounting seat 305 is fixedly connected with the top plate 301, and the second mounting seat 305 is provided with a guide sleeve 306; the guide column 307 is inserted into the guide sleeve 306, and the lower end of the guide column 307 penetrates through the second mounting seat 305 and is threadedly connected with the threaded sleeve 309. A limit pin 310 is arranged between the guide column 307 and the threaded sleeve 309.

[0045] Referring to Figures 10-12 As shown, the telescopic slide rail 5 includes an outer slide rail 51, a first inner slide rail 52 and a second inner slide rail 53; the first inner slide rail 52 is slidingly connected with the outer side surface of the outer slide rail 51, and the first inner slide rail 52 is fixedly connected with the connecting seat 308 through a first support 54; the second inner slide rail 53 is slidingly connected with the inner side surface of the outer slide rail 51, and the second inner slide rail 53 is fixedly connected with the scissor lift 2 through a second support 55. Specifically, the telescopic slide rail 5 further includes a telescopic oil cylinder 59, the cylinder body of the telescopic oil cylinder 59 is connected with the corresponding connecting seat 308 through a latch, and the piston rod of the telescopic oil cylinder 59 is connected with the outer slide rail 51 through a latch. The two ends of the outer slide rail 51 are respectively provided with pulleys 56, and the pulleys 56 are respectively wound with steel wires 58, the two ends of the steel wire 58 located at the distal end are fixed to the proximal ends of the first inner slide rail 52 and the second inner slide rail 53 through latches 57, and the two ends of the steel wire 58 located at the proximal end are fixed to the distal ends of the first inner slide rail 52 and the second inner slide rail 53 through latches 57.

[0046] Referring to Figures 8-9 As shown, the support leg assembly 4 includes an outer sleeve 41, an inner sleeve 42 and a lifting oil cylinder 43, the upper end of the outer sleeve 41 is fixedly connected with the sub-frame assembly 1, the cylinder body of the lifting oil cylinder 43 is connected with the outer sleeve 41 through a second pin shaft 44, the piston rod of the lifting oil cylinder 43 is connected with the inner sleeve 42 through a third pin shaft 45, and the lower end of the inner sleeve 42 is hinged to the first mounting seat 303 through a longitudinally arranged first pin shaft 304.

[0047] In the description of the specification, the description of the terms "one embodiment", "preferably", "example", "specific example" or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model, and the illustrative description of the above terms in the specification does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0048] Through the description of the structure and principle above, those skilled in the art should understand that the utility model is not limited to the specific embodiments described above, and improvements and replacements of the technology known in the art based on the utility model all fall within the protection scope of the utility model, which should be limited by the claims.

Claims

1. A sliding rail type bidirectional telescopic mechanism comprising a sub-frame assembly (1), characterized in that: The lower part of the auxiliary frame assembly (1) is provided with at least one shear lifting machine (2) in the transverse direction, each shear lifting machine (2) is provided with at least one support assembly (3), the support assembly (3) is connected with the auxiliary frame assembly (1) through a support leg assembly (4), and the support assembly (3) is connected with the corresponding shear lifting machine (2) through telescopic slide rails (5), so as to drive the shear lifting machine (2) to extend transversely from the lower part of the auxiliary frame assembly (1) and reset.

2. The sliding rail bidirectional telescopic mechanism according to claim 1, wherein: The support assembly (3) is in a door-shaped structure, comprising a top plate (301) and two side plates (302), and the top plate (301) is provided with a first mounting seat (303); the lower end of the support leg assembly (4) is hinged to the first mounting seat (303) through a longitudinally arranged first pin shaft (304).

3. The sliding rail bidirectional telescopic mechanism according to claim 2, wherein: The support assembly (3) further comprises a connecting seat (308), a second mounting seat (305) and a guide column (307); the side surface of the connecting seat (308) is fixedly connected with the telescopic slide rails (5), and the top of the connecting seat (308) is provided with a threaded sleeve (309); the second mounting seat (305) is fixedly connected with the top plate (301), and the second mounting seat (305) is provided with a guide sleeve (306); the guide column (307) is inserted into the guide sleeve (306), and the lower end of the guide column (307) penetrates through the second mounting seat (305) and is threadedly connected with the threaded sleeve (309).

4. The sliding rail bidirectional telescopic mechanism according to claim 3, wherein: A limiting pin (310) is arranged between the guide column (307) and the threaded sleeve (309).

5. The sliding rail bidirectional telescopic mechanism according to claim 3, wherein: The telescopic slide rails (5) comprise an outer slide rail (51), a first inner slide rail (52) and a second inner slide rail (53); the first inner slide rail (52) is in sliding connection with the outer side surface of the outer slide rail (51), and the first inner slide rail (52) is fixedly connected with the connecting seat (308) through a first support (54); the second inner slide rail (53) is in sliding connection with the inner side surface of the outer slide rail (51), and the second inner slide rail (53) is fixedly connected with the shear lifting machine (2) through a second support (55).

6. The sliding rail bidirectional telescopic mechanism according to claim 5, wherein: The telescopic slide rails (5) further comprise a telescopic oil cylinder (59), the cylinder body of the telescopic oil cylinder (59) is connected with the corresponding connecting seat (308) through a latch, and the piston rod of the telescopic oil cylinder (59) is connected with the outer slide rail (51) through a latch.

7. The sliding rail bidirectional telescopic mechanism according to claim 5, wherein: Both ends of the outer slide rail (51) are respectively provided with pulleys (56), the pulleys (56) are respectively wound with steel wires (58), the two ends of the steel wire (58) located at the distal end are fixed to the proximal ends of the first inner slide rail (52) and the second inner slide rail (53) through latches (57), and the two ends of the steel wire (58) located at the proximal end are fixed to the distal ends of the first inner slide rail (52) and the second inner slide rail (53) through latches (57).

8. The sliding rail bidirectional telescopic mechanism according to claim 2, wherein: The support leg assembly (4) comprises an outer sleeve (41), an inner sleeve (42) and a lifting oil cylinder (43), the upper end of the outer sleeve (41) is fixedly connected with the sub-frame assembly (1), the cylinder body of the lifting oil cylinder (43) is connected with the outer sleeve (41) through a second pin shaft (44), the piston rod of the lifting oil cylinder (43) is connected with the inner sleeve (42) through a third pin shaft (45), and the lower end of the inner sleeve (42) is hingedly connected with a first mounting base (303) through a first pin shaft (304) arranged in the longitudinal direction.

9. The sliding rail bidirectional telescoping mechanism of claim 1, wherein: The scissor lift (2) is provided with two, which are arranged in parallel below the sub-frame assembly (1).

10. The sliding rail bidirectional telescoping mechanism of claim 1, wherein: Two support leg assemblies (3) are arranged on the scissor lift (2) in cross, and are respectively located at the two ends of the scissor lift (2).

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