Hydraulic pipeline fixing device of hydraulic excavator

Abstract

The utility model relates to the field of excavator hydraulic pipelines, and discloses a hydraulic excavator hydraulic pipeline fixing device which comprises a lower pipe sleeve, the upper end of the lower pipe sleeve is rotationally connected with an upper pipe sleeve, a fixing sleeve is arranged on the inner wall of the upper pipe sleeve, the upper end of the fixing sleeve is rotationally connected with a screw rod, and a rod body of the screw rod is rotationally connected with the upper pipe sleeve through threads. A bottom plate is arranged at the lower end of the lower pipe sleeve, two fixing plates are fixedly connected to the upper surface of the bottom plate, sliding rods are fixedly connected to plate bodies of the fixing plates, the rod bodies of the sliding rods are each sleeved with two sliding sleeves, and the rod bodies of the sliding rods are each sleeved with two first springs; according to the hydraulic pipeline damping device, through cooperation of the fixing plate, the sliding rods, the sliding sleeves, the first springs and the connecting rods, damping can be conveniently conducted on the fixed hydraulic pipeline, the hydraulic pipeline is prevented from being affected by vibration generated in the working process of an excavator, and the integrity and safety of the hydraulic pipeline are conveniently protected.

Description

Technical Field

[0001] The present application relates to the field of hydraulic pipelines of excavators, and in particular to a hydraulic pipeline fixing device for hydraulic excavators. Background Art

[0002] An excavator is an earth-moving machine that uses a bucket to dig materials above or below the bearing surface and load them into transport vehicles or unload them to a stockpile. An excavator contains multiple structures, including hydraulic pipelines. Hydraulic pipelines play a vital role in excavators and other machinery. They are mainly used to transport hydraulic oil. Through the energy generated by the hydraulic pump, the hydraulic oil is transported to hydraulic components such as hydraulic cylinders and hydraulic motors to complete the work of the mechanical device.

[0003] However, after the hydraulic pipeline is fixed, most of the existing excavator hydraulic pipeline fixing devices are not convenient for damping the fixed hydraulic pipeline, which makes it easy for the hydraulic pipeline to be affected by the vibration of the excavator during operation, and is not convenient for protecting the integrity and safety of the hydraulic pipeline.

[0004] The above information disclosed in the background technology is only used to increase the understanding of the background technology of the present application, and therefore, it may include information that does not constitute the prior art known to ordinary technicians in the field. Utility Model Content

[0005] In order to solve the problem that the existing hydraulic pipeline fixing device for an excavator is not convenient for reducing the vibration to which the hydraulic pipeline is subjected after fixing, the present application provides a hydraulic pipeline fixing device for a hydraulic excavator.

[0006] The present application provides a hydraulic excavator hydraulic pipeline fixing device adopts the following technical solution:

[0007] A hydraulic pipeline fixing device for a hydraulic excavator comprises a lower pipe sleeve, the upper end of the lower pipe sleeve is rotatably connected to an upper pipe sleeve, the inner wall of the upper pipe sleeve is provided with a fixing sleeve, the upper end of the fixing sleeve is rotatably connected to a screw rod, the rod body of the screw rod is rotatably connected to the upper pipe sleeve through a thread, the lower end of the lower pipe sleeve is provided with a bottom plate, the upper surface of the bottom plate is fixedly connected to two fixing plates, the plate body of the fixing plate is fixedly connected to a sliding rod, the rod body of the sliding rod is sleeved with two sliding sleeves, the rod body of the sliding rod is sleeved with two springs, both sides of the spring are fixedly connected to the fixing plate and the sliding sleeve, the lower end of the lower pipe sleeve is hingedly connected to two connecting rods, and the other end of the connecting rod is hingedly connected to the sliding sleeve.

[0008] Preferably, the lower end of the lower pipe sleeve is fixedly connected to two brackets, the upper end of the base plate is fixedly connected to a plurality of positioning rods, the rod bodies of the positioning rods are slidably connected to the brackets, the upper end of the base plate is fixedly connected to a plurality of springs 2, and the other end of the springs 2 is fixedly connected to the brackets.

[0009] Preferably, a plurality of fixing holes are provided on one side of the lower pipe sleeve and the upper pipe sleeve, the inner walls of the fixing holes are slidably connected with bolts, and the outer walls of the bolts are slidably connected with threaded sleeves via threads.

[0010] Preferably, inner walls of the lower pipe sleeve and the fixed sleeve are fixedly connected with rubber pads.

[0011] Preferably, the inner wall of the upper pipe sleeve is slidably connected to two limit rods, and the lower ends of the limit rods are fixedly connected to the fixing sleeve.

[0012] In summary, this application includes the following beneficial technical effects:

[0013] 1. The hydraulic pipeline can be placed by setting the lower sleeve and the upper sleeve. Under the action of the screw, the fixing sleeve is driven to fix the hydraulic pipeline. Through the cooperation of the fixing plate, the sliding rod, the sliding sleeve, the spring and the connecting rod, the hydraulic pipeline can be damped after being fixed, so as to prevent the vibration generated by the excavator during work from affecting the hydraulic pipeline, and to protect the integrity and safety of the hydraulic pipeline. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the embodiment of the application;

[0015] Figure 2 is a schematic structural diagram of a fixing sleeve according to an embodiment of the application;

[0016] Figure 3 is a schematic structural diagram of a connecting rod of an embodiment of the application;

[0017] Figure 4 It is a schematic diagram of the structure of the bracket of the application embodiment.

[0018] Explanation of the accompanying reference numerals: 1. lower sleeve; 2. upper sleeve; 3. screw; 4. fixing sleeve; 5. rubber pad; 6. bottom plate; 7. fixing plate; 8. sliding rod; 9. sliding sleeve; 10. spring 1; 11. connecting rod; 12. bracket; 13. positioning rod; 14. spring 2; 15. limiting rod; 16. bolt; 17. screw sleeve. DETAILED DESCRIPTION

[0019] The following is combined with Figure 1-4 This application is described in further detail.

[0020] The present application embodiment discloses a hydraulic pipeline fixing device for a hydraulic excavator, referring to Figure 1, including a lower pipe sleeve 1, which can be used to place hydraulic pipelines. The upper end of the lower pipe sleeve 1 is rotatably connected to the upper pipe sleeve 2. The inner wall of the upper pipe sleeve 2 is provided with a fixing sleeve 4, which can fix the surface of the hydraulic pipeline. The upper end of the fixing sleeve 4 is rotatably connected to a screw rod 3, which can drive the fixing sleeve 4 to move. The rod body of the screw rod 3 is rotatably connected to the upper pipe sleeve 2 through a thread. The lower end of the lower pipe sleeve 1 is provided with a bottom plate 6, which can be installed on the excavator. The upper surface of the bottom plate 6 is fixedly connected to two fixing plates 7, and the plate body of the fixing plate 7 is fixed. It is fixedly connected with a slide rod 8, the rod body of the slide rod 8 is sleeved with two slide sleeves 9, the rod body of the slide rod 8 is sleeved with two springs 10, both sides of the spring 10 are fixedly connected to the fixed plate 7 and the slide sleeve 9, the lower end of the lower pipe sleeve 1 is hingedly connected to two connecting rods 11, and the other end of the connecting rod 11 is hingedly connected to the slide sleeve 9. When vibration occurs, the lower pipe sleeve 1 can make the slide sleeve 9 slide on the rod body of the slide rod 8 through the two connecting rods 11, thereby squeezing the spring 10, which is convenient for alleviating the vibration of a part of the hydraulic pipeline.

[0021] Reference Figure 4 The lower end of the lower pipe sleeve 1 is fixedly connected to two brackets 12, the upper end of the bottom plate 6 is fixedly connected to a plurality of positioning rods 13, the rod body of the positioning rod 13 is slidably connected to the bracket 12, the upper end of the bottom plate 6 is fixedly connected to a plurality of springs 14, the other end of the spring 14 is fixedly connected to the bracket 12, when subjected to vibration, the lower pipe sleeve 1 can squeeze the spring 14 through the bracket 12, so as to alleviate the vibration of a part of the hydraulic pipeline.

[0022] Reference Figure 2 A plurality of fixing holes are provided on one side of the lower pipe sleeve 1 and the upper pipe sleeve 2, and a bolt 16 is slidably connected to the inner wall of the fixing hole, and a screw sleeve 17 is slidably connected to the outer wall of the bolt 16 through a thread. The bolt 16 can be inserted into the interior of the fixing hole, and then the screw sleeve 17 is rotated from the other end of the bolt 16 so that the screw sleeve 17 is against the surface of the lower pipe sleeve 1, which is convenient for fixing the lower pipe sleeve 1 and the upper pipe sleeve 2.

[0023] Reference Figure 1 The inner walls of the lower pipe sleeve 1 and the fixed sleeve 4 are fixedly connected with rubber pads 5, which can protect the surface of the hydraulic pipeline and prevent the hydraulic pipeline from being affected by a large pressure.

[0024] Reference Figure 3 The inner wall of the upper pipe sleeve 2 is slidably connected with two limit rods 15, and the lower ends of the limit rods 15 are fixedly connected to the fixed sleeve 4, so as to limit the movement of the fixed sleeve 4.

[0025] The implementation principle of the hydraulic pipeline fixing device of a hydraulic excavator in the embodiment of the present application is as follows: when in use, the base plate 6 is installed on the surface of the excavator, the upper pipe sleeve 2 can be opened, and the hydraulic pipeline to be fixed is placed inside the lower pipe sleeve 1, and then the upper pipe sleeve 2 is closed, and the lower pipe sleeve 1 and the upper pipe sleeve 2 are fixed by bolts 16 and screw sleeves 17, and then the screw rod 3 is rotated to drive the fixing sleeve 4 to move downward, so that the fixing sleeve 4 is against the surface of the hydraulic pipeline to fix the hydraulic pipeline. When vibration occurs, the lower pipe sleeve 1 can be driven to make the sliding sleeve 9 slide on the rod body of the sliding rod 8 through the two connecting rods 11, thereby squeezing the spring 10, which is convenient for alleviating the vibration of a part of the hydraulic pipeline.

[0026] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0027] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0028] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

[0029] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A hydraulic pipeline fixing device for a hydraulic excavator, comprising a lower pipe sleeve (1), characterized in that: The upper end of the lower sleeve (1) is rotatably connected to the upper sleeve (2), the inner wall of the upper sleeve (2) is provided with a fixed sleeve (4), the upper end of the fixed sleeve (4) is rotatably connected to a screw rod (3), the rod body of the screw rod (3) is rotatably connected to the upper sleeve (2) through a thread, the lower end of the lower sleeve (1) is provided with a bottom plate (6), the upper surface of the bottom plate (6) is fixedly connected to two fixed plates (7), the plate body of the fixed plate (7) is fixedly connected to a sliding rod (8), the rod body of the sliding rod (8) is sleeved with two sliding sleeves (9), the rod body of the sliding rod (8) is sleeved with two springs (10), both sides of the spring (10) are fixedly connected to the fixed plate (7) and the sliding sleeve (9), the lower end of the lower sleeve (1) is hingedly connected to two connecting rods (11), the other end of the connecting rod (11) is hingedly connected to the sliding sleeve (9).

2. A hydraulic pipeline fixing device for a hydraulic excavator according to claim 1, characterized in that: The lower end of the lower pipe sleeve (1) is fixedly connected to two brackets (12), the upper end of the base plate (6) is fixedly connected to a plurality of positioning rods (13), the rod bodies of the positioning rods (13) are slidably connected to the brackets (12), and the upper end of the base plate (6) is fixedly connected to a plurality of springs (14), the other end of the springs (14) is fixedly connected to the brackets (12).

3. A hydraulic pipeline fixing device for a hydraulic excavator according to claim 1, characterized in that: A plurality of fixing holes are provided on one side of the lower pipe sleeve (1) and the upper pipe sleeve (2); bolts (16) are slidably connected to the inner walls of the fixing holes; and screw sleeves (17) are slidably connected to the outer walls of the bolts (16) via threads.

4. A hydraulic pipeline fixing device for a hydraulic excavator according to claim 1, characterized in that: The inner walls of the lower pipe sleeve (1) and the fixed sleeve (4) are both fixedly connected with a rubber pad (5).

5. A hydraulic pipeline fixing device for a hydraulic excavator according to claim 1, characterized in that: The inner wall of the upper pipe sleeve (2) is slidably connected to two limit rods (15), and the lower ends of the limit rods (15) are fixedly connected to the fixed sleeve (4).

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