Hydraulic oil cylinder supporting leg of engineering machinery

Abstract

The utility model discloses an engineering machinery hydraulic oil cylinder supporting leg which comprises an oil cylinder body, the output end of the oil cylinder body is fixedly connected with a supporting leg plate, the side wall of the oil cylinder body is provided with a connecting assembly, one side of the connecting assembly and one side of the supporting leg plate are respectively provided with a protection assembly, and each protection assembly comprises a steel wire rope and a limiting block. The steel wire rope is arranged on one side of the connecting assembly, the limiting block is fixedly connected to the top end of the steel wire rope, a rotating plate is hinged to the top of the supporting leg plate, and a spring and a damper are arranged on one side of the rotating plate. According to the hydraulic oil cylinder supporting leg of the engineering machinery, the two sides of the oil cylinder body can be protected through the connecting assembly and the protection assembly, so that the situation that the oil cylinder body is crashed up in the using process is avoided, the service life of the oil cylinder body is longer, unnecessary losses are further reduced, and the cost needed by maintenance or replacement is also reduced; and the safety of passing pedestrians is also ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of oil cylinder outriggers, in particular to an engineering machinery hydraulic oil cylinder outrigger. Background Art

[0002] As an important component in the fields of engineering machinery, building construction, etc., the cylinder leg is responsible for supporting and transmitting force. Its structure and working principle are relatively complex, but understanding its basic composition and performance characteristics is of great significance for us to better use and maintain the cylinder leg. The cylinder leg can be classified according to its structure, function and usage scenario. There are mainly the following categories: single-rod cylinder leg: The single-rod cylinder leg has a simple structure and a small bearing capacity. It is suitable for small and medium-sized engineering machinery. Multi-rod cylinder leg: The multi-rod cylinder leg has a complex structure and a large bearing capacity. It is suitable for large engineering machinery. Hydraulic cylinder leg: The hydraulic cylinder leg adopts hydraulic transmission, which has the characteristics of easy control and rapid action. It is widely used in various types of engineering machinery.

[0003] Patent publication number "CN217996608U" discloses "a hydraulic cylinder leg for construction machinery, comprising a cylinder body and a main support plate, a connecting plate installed on the main support plate, a second blind hole opened on the connecting plate, a bearing slidably connected in the second blind hole, a connecting column rotatably connected in the bearing, a plurality of springs installed between the bearing and the bottom of the second blind hole, an expansion plate fixedly connected to the end of the connecting column away from the bearing, a plurality of conical columns fixedly connected to one end face of the expansion plate, a plurality of anti-wear blocks fixedly connected to the end face of the expansion plate away from the conical columns, a pair of U-shaped limit blocks fixedly connected to the main support plate, a pair of U-shaped limit blocks are rotatably connected to the connecting plate. The utility model improves the multi-scenario stable anti-skid effect of the main support plate of the cylinder body and enhances the safety of the construction machinery vehicle when working by arranging a connecting plate and an expansion plate on the main support plate and arranging a plurality of conical columns on the expansion plate."

[0004] In response to the above-mentioned related problems, the cylinder body of the existing cylinder leg is exposed. Since it is a device operating on the road with many people and vehicles, it is easy to be damaged during use. In addition, the size of its support plate is fixed and its size cannot be adjusted according to needs during use.

[0005] Therefore, the utility model provides a hydraulic cylinder outrigger for an engineering machinery to solve the above-mentioned problem. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model provides a hydraulic cylinder leg for engineering machinery, which solves the problem that the cylinder body of the above-mentioned existing cylinder legs is exposed to the outside, and since the equipment is used on the road with many people and vehicles, it is easy to be damaged during use.

[0007] To achieve the above objectives, the utility model is implemented through the following technical solutions: a construction machinery hydraulic cylinder leg, comprising a cylinder body, the output end of the cylinder body is fixedly connected to a leg plate, a connecting assembly is arranged on the side wall of the cylinder body, the connecting assembly and one side of the leg plate are respectively provided with a protective assembly, the protective assembly comprises a wire rope and a limit block, the wire rope is arranged on one side of the connecting assembly, the limit block is fixedly connected to the top of the wire rope, the top of the leg plate is hinged with a rotating plate, one side of the rotating plate is provided with a spring and a damper, one end of the damper and the spring is fixedly connected to a buffer plate, and expansion assemblies are respectively arranged on both sides of the leg plate.

[0008] Furthermore, the connecting assembly includes a connecting plate 1 and a connecting plate 2, wherein the connecting plate 1 and the connecting plate 2 are respectively arranged on the outer side wall of the cylinder body, and a mounting plate is fixedly installed on one side of the connecting plate 1 and the connecting plate 2.

[0009] The above technical solution is adopted to facilitate the connection, and the connection is simple and convenient.

[0010] Furthermore, the connecting assembly also includes a bolt, and the bolt is connected to the mounting plate via a thread.

[0011] By adopting the above technical solution, the two mounting plates can be fixed.

[0012] Furthermore, the connecting assembly also includes a nut, and the nut is connected to the bolt through a thread.

[0013] The adoption of the technical solution makes it easy to reinforce the bolts.

[0014] Furthermore, the expansion component includes a connecting groove and an expansion plate, the connecting groove is opened on both sides of the support leg plate, the expansion plate is arranged on one side of the support leg plate, and a card plate is fixedly installed on one side of the expansion plate, and the card plate is clamped with the connecting groove.

[0015] By adopting the above technical solution, capacity expansion can be carried out according to the ground conditions.

[0016] Furthermore, a latch is clamped on one side of the leg plate, and the latch is clamped with the clamping plate.

[0017] The above technical solution is adopted to facilitate the positioning of the pallet.

[0018] Furthermore, one end of the latch is fixedly connected to a magnet, and the magnet is magnetically connected to the card plate.

[0019] The adoption of the above technical solution can achieve a good limiting effect on the latch.

[0020] Beneficial Effects

[0021] The utility model provides a hydraulic cylinder outrigger for engineering machinery. Compared with the prior art, it has the following beneficial effects:

[0022] 1. The hydraulic cylinder legs of the construction machinery can protect both sides of the cylinder body through connecting components and protective components, so that it will not be damaged during use, and its service life will be longer, which will reduce unnecessary losses, reduce the cost of maintenance or replacement, and ensure the safety of passers-by.

[0023] 2. The hydraulic cylinder legs of the construction machinery can be adjusted according to the usage through the expansion components, so that the overall support effect is better, and the required amount of expansion plates can be added according to demand, which also makes the overall support more reliable and safer to use. The user experience will also increase accordingly, which is convenient for promotion and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the implementation scheme of the utility model or the technical scheme in the prior art, the drawings required for use in the implementation scheme or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some implementation schemes of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0025] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0026] Figure 2 This utility model Figure 1 A magnified view of the structure at center A;

[0027] Figure 3 It is a side view of the overall structure of the utility model;

[0028] Figure 4 This utility model Figure 3 A magnified view of the structure at B in the middle;

[0029] Figure 5 It is a partial enlarged view of the structure of the utility model.

[0030] In the figure: 1. Cylinder body; 2. Leg plate; 3. Connecting assembly; 31. Connecting plate 1; 32. Connecting plate 2; 33. Mounting plate; 34. Bolt; 35. Nut; 4. Protective assembly; 41. Wire rope; 42. Limit block; 43. Rotating plate; 44. Spring; 45. Damper; 46. Buffer plate; 5. Expansion assembly; 51. Connecting groove; 52. Expansion plate; 53. Card plate; 54. Latch; 55. Magnet. DETAILED DESCRIPTION

[0031] It should be noted that in the description of the embodiments of the present application, the terms "front, rear", "left, right", "up, down", etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present application. The terms "install", "connect", 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 direct connection, or an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0032] The present application is further described in detail below through drawings and examples.

[0033] Reference Figures 1 to 4 The embodiment of the present application provides a hydraulic cylinder leg of an engineering machinery, including a cylinder body 1, an output end of the cylinder body 1 is fixedly connected to a leg plate 2, a connecting component 3 is arranged on the side wall of the cylinder body 1, and a protective component 4 is respectively arranged on one side of the connecting component 3 and the leg plate 2, the protective component 4 includes a wire rope 41 and a limit block 42, the wire rope 41 is arranged on one side of the connecting component 3, the limit block 42 is fixedly connected to the top of the wire rope 41, a rotating plate 43 is hinged on the top of the leg plate 2, a spring 44 and a damper 45 are arranged on one side of the rotating plate 43, a buffer plate 46 is fixedly connected to one end of the damper 45 and the spring 44, and expansion components 5 are respectively arranged on both sides of the leg plate 2.

[0034] In this embodiment, starting the cylinder body 1 can drive the leg plate 2 to stick close to the ground, and then the wire rope 41 will drive the rotating plate 43 to rotate, so that the rotating plate 43 can be supported, and then when the buffer plate 46 collides, the buffer plate 46 will squeeze the spring 44 and the damper 45 to shrink, so that the buffer plate 46 can play a good buffering effect to prevent damage and reduce the cost caused by damage.

[0035] Reference Figures 1 to 4In one aspect of the present embodiment, the connecting assembly 3 includes a connecting plate 1 31 and a connecting plate 2 32, the connecting plate 1 31 and the connecting plate 2 32 are respectively arranged on the outer wall of the cylinder body 1, and a mounting plate 33 is fixedly installed on one side of the connecting plate 1 31 and the connecting plate 2 32, respectively. The connecting assembly 3 also includes a bolt 34, and the bolt 34 is connected to the mounting plate 33 through a thread. The connecting assembly 3 also includes a nut 35, and the nut 35 is connected to the bolt 34 through a thread.

[0036] In this embodiment, the connecting plate 1 31 and the connecting plate 2 32 are then clamped on the outside of the cylinder body 1, and then the bolt 34 is screwed into the inside of the mounting plate 33, and then the nut 35 is fixed on the side wall of the bolt 34 to fix the connecting plate 1 31 and the connecting plate 2 32.

[0037] Reference Figures 1 to 4 In one aspect of the present embodiment, the expansion component 5 includes a connecting groove 51 and an expansion plate 52. The connecting groove 51 is opened on both sides of the support leg plate 2, and the expansion plate 52 is arranged on one side of the support leg plate 2. A clamping plate 53 is fixedly installed on one side of the expansion plate 52, and the clamping plate 53 is clamped with the connecting groove 51. A latch 54 is clamped on one side of the support leg plate 2, and the latch 54 is clamped with the clamping plate 53.

[0038] In this embodiment, the card plate 53 is first inserted into the interior of the connecting groove 51 to complete the installation work between the expansion plate 52 and the support leg plate 2, and then the magnet 55 is inserted into the interior of the card plate 53 to complete the fixing work of the expansion plate 52. The fixing is simple and convenient, and the amount of expansion plates 52 can be increased according to the support requirements, and the effect of use will also increase accordingly, and the effect of use will be more reliable.

[0039] Reference Figures 1 to 4 In one aspect of this embodiment, a magnet 55 is fixedly connected to one end of the latch 54 , and the magnet 55 is magnetically connected to the card plate 53 .

[0040] In this embodiment, the magnet 55 can be adsorbed together with the clamping plate 53, so that the clamping plate has a better fixing effect.

[0041] Working principle: First, insert the card plate 53 into the interior of the connecting groove 51 to complete the installation work between the expansion plate 52 and the leg plate 2, and then insert the magnet 55 into the interior of the card plate 53 to complete the fixing work of the expansion plate 52.

[0042] Then, the connecting plate 1 31 and the connecting plate 2 32 are clamped on the outside of the cylinder body 1, and then the bolt 34 is screwed into the inside of the mounting plate 33, and then the nut 35 is fixed on the side wall of the bolt 34 to fix the connecting plate 1 31 and the connecting plate 2 32. Then, starting the cylinder body 1 can drive the leg plate 2 to be close to the ground, and then the wire rope 41 will drive the rotating plate 43 to rotate, so that the rotating plate 43 can be supported, and then when the buffer plate 46 collides, the buffer plate 46 will squeeze the spring 44 and the damper 45 to shrink.

[0043] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0044] Although the embodiments of the present application have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present application, and that the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A hydraulic cylinder leg for construction machinery, comprising a cylinder body (1), characterized in that: The output end of the oil cylinder body (1) is fixedly connected to a leg plate (2); a connecting assembly (3) is arranged on the side wall of the oil cylinder body (1); a protective assembly (4) is respectively arranged on one side of the connecting assembly (3) and the leg plate (2); the protective assembly (4) comprises a steel wire rope (41) and a limit block (42); the steel wire rope (41) is arranged on one side of the connecting assembly (3); the limit block (42) is fixedly connected to the top of the steel wire rope (41); a rotating plate (43) is hinged on the top of the leg plate (2); a spring (44) and a damper (45) are arranged on one side of the rotating plate (43); one end of the damper (45) and the spring (44) are fixedly connected to a buffer plate (46); and expansion assemblies (5) are respectively arranged on both sides of the leg plate (2).

2. The hydraulic cylinder leg of an engineering machinery according to claim 1, characterized in that: The connection assembly (3) comprises a connection plate 1 (31) and a connection plate 2 (32); the connection plate 1 (31) and the connection plate 2 (32) are respectively arranged on the outer side wall of the oil cylinder body (1); and a mounting plate (33) is fixedly mounted on one side of the connection plate 1 (31) and the connection plate 2 (32).

3. The hydraulic cylinder leg of an engineering machinery according to claim 2, characterized in that: The connection assembly (3) further comprises a bolt (34), wherein the bolt (34) is connected to the mounting plate (33) via a thread.

4. The hydraulic cylinder leg of an engineering machinery according to claim 3, characterized in that: The connection assembly (3) further comprises a nut (35), and the nut (35) is connected to the bolt (34) via a thread.

5. The hydraulic cylinder leg of an engineering machinery according to claim 1, characterized in that: The expansion assembly (5) comprises a connection groove (51) and an expansion plate (52); the connection groove (51) is provided on both sides of the leg plate (2); the expansion plate (52) is arranged on one side of the leg plate (2); a clamping plate (53) is fixedly mounted on one side of the expansion plate (52); the clamping plate (53) is clamped to the connection groove (51).

6. The hydraulic cylinder leg of an engineering machinery according to claim 5, characterized in that: A latch (54) is clamped on one side of the leg support plate (2), and the latch (54) is clamped with the clamping plate (53).

7. The hydraulic cylinder leg of an engineering machinery according to claim 6, characterized in that: One end of the latch (54) is fixedly connected to a magnet (55), and the magnet (55) is magnetically connected to the clamping plate (53).

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