Connecting rod jacking mechanism

Abstract

The utility model discloses a connecting rod jacking mechanism which comprises an installation side plate, a top plate is arranged at the top of the installation side plate, jacking connecting rods are hinged to the side faces of the two ends of the installation side plate in the length direction through jacking hinge shafts, the upper portions of the jacking connecting rods are hinged to guide rail hinge lugs through guide rail hinge shafts, and the tops of the guide rail hinge lugs are fixedly connected with guide rails. The lower portion of the jacking connecting rod is hinged to the output end of the jacking power device through a power hinge shaft, the jacking power device is a reciprocating type telescopic power device, and the axis of the jacking connecting rod in the length direction and the movement direction of the output end of the jacking power device are arranged in an included angle mode. The output end of the jacking power device drives the guide rail to ascend and descend in the telescopic process, a plurality of roller bearings are arranged on the top of the guide rail in the length direction, and the technical problems that in the prior art, due to the fact that a plurality of air cylinders are used for direct jacking in a jacking device, the service life of the whole structure is short, the failure rate is large, and later maintenance is difficult due to installation position limitation are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of machinery, and particularly relates to a connecting rod lifting mechanism. Background Art

[0002] During the use of the switching fixture of the main line splicing station of the automobile welding bus, it is often necessary to lift and lower it. The existing technology generally uses multiple cylinders to directly lift and lower it, which has a short structural life and a high failure rate. Due to the narrow space of this station, it is difficult to maintain in the later stage and affects production efficiency. Utility Model Content

[0003] The utility model aims to provide a connecting rod lifting mechanism to solve the technical problems in the above-mentioned prior art that the use of multiple cylinders for direct lifting in the lifting device leads to a short life of the entire structure, a high failure rate, and difficulty in subsequent maintenance due to the limitation of the installation position.

[0004] The technical solution adopted by the utility model to solve its technical problems is:

[0005] A connecting rod lifting mechanism comprises: an installation side plate, the installation side plate is a vertically arranged long strip plate-like structure, the top of the installation side plate is provided with a top plate, the side surfaces at both ends of the length direction of the installation side plate are hinged with a lifting connecting rod through a lifting hinge shaft, the upper part of the lifting connecting rod is hinged to the guide rail hinge ear through the guide rail hinge shaft, the top of the guide rail hinge ear is fixedly connected to the guide rail, the top plate and the guide rail hinge ear have a avoidance notch at the corresponding position, the lower part of the lifting connecting rod is hinged to the output end of the lifting power device through a power hinge shaft, the lifting power device is a reciprocating telescopic power device, the longitudinal axis of the lifting connecting rod is arranged at an angle with the movement direction of the output end of the lifting power device, the guide rail is driven to rise and fall during the extension and retraction process of the output end of the lifting power device, and a plurality of roller bearings are arranged on the top of the guide rail along the length direction.

[0006] The utility model discloses a connecting rod lifting mechanism, wherein a plurality of guide shafts are installed on the top plate, the guide shafts correspond to the positions of guide rails, guide holes are provided at the positions corresponding to the positions of the guide rails and the guide shafts, and the guide holes are installed in a sliding cooperation with the guide shafts.

[0007] The utility model discloses a connecting rod lifting mechanism, wherein a plurality of driven lifting connecting rods are arranged in parallel on one side of the lifting connecting rod, the driven lifting connecting rod is hinged with the mounting side plate through a driven hinge shaft, the upper part of the driven lifting connecting rod is connected with the guide rail through the same structure as the upper part of the lifting connecting rod, and the lower part of the driven lifting connecting rod is connected with the lower part of the lifting connecting rod through a horizontal connecting rod.

[0008] The utility model discloses a connecting rod lifting mechanism, wherein the horizontal connecting rod is hinged to the driven lifting connecting rod through a driven lower hinge shaft, and the horizontal connecting rod is hinged to the lifting connecting rod through a horizontal hinge shaft.

[0009] The utility model provides a connecting rod lifting mechanism, wherein the horizontal connecting rod between the lifting connecting rod and the driven lifting connecting rod, and the horizontal connecting rod between adjacent driven lifting connecting rods are interrupted structures, and the interrupted structures are extended in the length direction by horizontal connecting rods.

[0010] The utility model provides a connecting rod lifting mechanism, wherein the number of driven lifting connecting rods connected to each lifting connecting rod is 3-5.

[0011] The utility model discloses a connecting rod lifting mechanism, wherein the lifting power device is a cylinder.

[0012] The beneficial effects of the utility model are as follows: a connecting rod lifting mechanism is proposed, and a lifting connecting rod is arranged between a lifting power device and a guide rail to be lifted, thereby changing the connecting rod transmission from a direct lifting structure, that is, the horizontal telescopic action of the lifting power device is converted into the up and down lifting action of the guide rail through the lifting connecting rod; by arranging several driven lifting connecting rods with similar structures in parallel on the outside of a lifting connecting rod, and transmitting force through the horizontal connecting rod, it is achieved that one power device can synchronously lift several lifting connecting rods, so that the lifting is more stable; at the same time, the force direction is changed by the connecting rod device, which greatly reduces the power demand of the power device output; and by arranging the easily damaged lifting power devices at both ends of the device, the problem that the device cannot be maintained due to the cramped position in the middle of the device can be solved; and the arranging of the guide shaft can make the lifting more stable; BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The present invention will be further described below with reference to the accompanying drawings and embodiments, in which:

[0014] Figure 1 It is a schematic diagram of an embodiment of the utility model;

[0015] Figure 2 It is an axonometric diagram of an embodiment of the utility model;

[0016] Figure 3 It is a top view of an embodiment of the utility model;

[0017] Figure 4 It is a left view of an embodiment of the utility model. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the technical scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0019] like Figure 1-4 As shown, a connecting rod lifting mechanism comprises: an installation side plate 1, the installation side plate 1 is a vertically arranged long strip plate structure, the top of the installation side plate 1 has a top plate 10, the side surfaces of the installation side plate 1 at both ends in the length direction are hinged with a lifting connecting rod 6 through a lifting hinge shaft 7, the upper part of the lifting connecting rod 6 is hinged to the guide rail hinge ear 8 through a guide rail hinge shaft 9, the top of the guide rail hinge ear 8 is fixedly connected to the guide rail 11, the top plate 10 and the guide rail hinge ear 8 have a avoidance notch at the corresponding position, the lower part of the lifting connecting rod 6 is hinged to the output end of the lifting power device 2 through a power hinge shaft 14, the lifting power device 2 is a reciprocating telescopic power device, the longitudinal axis of the lifting connecting rod 6 is set at an angle to the movement direction of the output end of the lifting power device 2, the guide rail 11 is driven to rise and fall during the telescopic process of the output end of the lifting power device 2, and a plurality of roller bearings 13 are arranged on the top of the guide rail 11 along the length direction.

[0020] In a preferred embodiment of the utility model, a plurality of guide shafts 12 are installed on the top plate 10, the guide shafts 12 correspond to the guide rails 11, the guide rails 11 have guide holes at positions corresponding to the guide shafts 12, and the guide holes are installed in a sliding fit with the guide shafts 12.

[0021] In a preferred embodiment of the utility model, a plurality of driven lifting links 15 are arranged in parallel on one side of the lifting link 6, and the driven lifting link 15 is hinged to the mounting side plate 1 through a driven hinge shaft 16, and the upper part of the driven lifting link 15 is connected to the guide rail 11 through the same structure as the upper part of the lifting link 6, and the lower part of the driven lifting link 15 is connected to the lower part of the lifting link 6 through the horizontal link 3.

[0022] In a preferred embodiment of the utility model, the horizontal connecting rod 3 is hinged to the driven lifting connecting rod 15 through the driven lower hinge shaft 17, and the horizontal connecting rod 3 is hinged to the lifting connecting rod 6 through the horizontal hinge shaft 5.

[0023] In a preferred embodiment of the utility model, the horizontal connecting rod 3 between the lifting connecting rod 6 and the driven lifting connecting rod 15, and the horizontal connecting rod 3 between adjacent driven lifting connecting rods 15 are interrupted structures, and the interrupted structures are extended in the length direction by the horizontal connecting rod 4.

[0024] In a preferred embodiment of the utility model, the number of driven lifting rods 15 connected to each lifting rod 6 is 3-5, which can make the force transmission more stable and will not cause unstable transmission due to too many driven lifting rods 15 and too long length.

[0025] In a preferred embodiment of the present utility model, the lifting power device 2 is a cylinder.

[0026] Brief description of the working principle: when jacking is required, the output end of the jacking power device 2 pushes the lower part of the jacking connecting rod 6, and the middle part of the jacking connecting rod 6 uses the jacking hinge shaft 7 as the rotating shaft, so that the upper part of the jacking connecting rod 6 pushes the guide rail 11 to rise through the guide rail hinge ear 8, and under the guidance of the guide shaft 12, it realizes the vertical rise. During this process, the horizontal connecting rod 3 simultaneously transmits the thrust of the jacking power device 2 to several adjacent driven jacking connecting rods 15, so as to achieve the same effect as the jacking connecting rod 6 to provide a jacking force for the guide rail 11, thereby achieving a jacking power device 2 to apply force to multiple jacking points on the guide rail 11, so that the jacking of the longer guide rail 11 is more stable. Similarly, when it is necessary to descend, the output end of the jacking power device 2 contracts, and the upper structure moves in the opposite direction to achieve the descending effect.

[0027] In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0028] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. In addition, in the description of the present utility model, unless otherwise specified, "plurality" means two or more.

[0029] It should be understood that those skilled in the art can make improvements or changes based on the above description, and all these improvements and changes should fall within the scope of protection of the claims attached to the utility model.

Claims

1. A connecting rod lifting mechanism, characterized in that: include: The mounting side plate (1) is a vertically arranged long strip plate-shaped structure, the top of the mounting side plate (1) is provided with a top plate (10), the side surfaces at both ends of the length direction of the mounting side plate (1) are hinged with a lifting connecting rod (6) through a lifting hinge shaft (7), the upper part of the lifting connecting rod (6) is hinged to the guide rail hinge ear (8) through a guide rail hinge shaft (9), the top of the guide rail hinge ear (8) is fixedly connected to the guide rail (11), and the top plate (10) has a corresponding position to the guide rail hinge ear (8). There is a clearance gap, the lower part of the lifting connecting rod (6) is hinged to the output end of the lifting power device (2) through a power hinge shaft (14), the lifting power device (2) is a reciprocating telescopic power device, the longitudinal axis of the lifting connecting rod (6) is arranged at an angle to the movement direction of the output end of the lifting power device (2), the output end of the lifting power device (2) drives the guide rail (11) to rise and fall during the telescopic process, and a plurality of roller bearings (13) are arranged on the top of the guide rail (11) along the longitudinal direction.

2. A connecting rod lifting mechanism according to claim 1, characterized in that: A plurality of guide shafts (12) are mounted on the top plate (10), the guide shafts (12) and the guide rails (11) are positioned correspondingly, guide holes are provided at positions corresponding to the guide rails (11) and the guide shafts (12), and the guide holes and the guide shafts (12) are mounted in a sliding manner.

3. The connecting rod lifting mechanism according to claim 1, characterized in that: A plurality of driven lifting links (15) are arranged in parallel on one side of the lifting link (6); the driven lifting links (15) are hinged to the mounting side plate (1) via a driven hinge shaft (16); the upper portion of the driven lifting links (15) is connected to the guide rail (11) via the same structure as the upper portion of the lifting link (6); and the lower portion of the driven lifting links (15) is connected to the lower portion of the lifting link (6) via a horizontal link (3).

4. A connecting rod lifting mechanism according to claim 3, characterized in that: The horizontal connecting rod (3) is hinged to the driven lifting connecting rod (15) via a driven lower hinge shaft (17), and the horizontal connecting rod (3) is hinged to the lifting connecting rod (6) via a horizontal hinge shaft (5).

5. A connecting rod lifting mechanism according to claim 4, characterized in that: The horizontal connecting rod (3) between the lifting connecting rod (6) and the driven lifting connecting rod (15), and the horizontal connecting rod (3) between adjacent driven lifting connecting rods (15) are interrupted structures, and the interrupted structures are extended in the length direction by means of the horizontal connecting rod (4).

6. A connecting rod lifting mechanism according to claim 5, characterized in that: The number of driven lifting links (15) connected to each lifting link (6) is 3-5.

7. The connecting rod lifting mechanism according to claim 1, characterized in that: The lifting power device (2) is a cylinder.

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