Hydraulic pipeline, hydraulic motor protection device, walking device and excavator

Abstract

The utility model discloses a hydraulic pipeline and hydraulic motor protection device, a walking device and an excavator. The hydraulic pipeline and hydraulic motor protection device comprises a protection cover and a sealing plate device. The protective cover is of a semi-closed structure, is fixed on the vertical surface of the outer side of the longitudinal beam, and can wrap the hydraulic motor at the end part of the longitudinal beam and the hydraulic pipeline around the hydraulic motor in a box body formed by the protective cover and the longitudinal beam; a window for checking and maintaining the hydraulic pipeline and the hydraulic motor is arranged at the position, right opposite to the hydraulic motor, of the protective cover; after the sealing plate device completely covers the window, the sealing plate device and the protective cover are fixed together in a detachable mode. According to the hydraulic pipeline and hydraulic motor protection device, on one hand, the hydraulic pipeline and the hydraulic motor can be effectively protected and prevented from being damaged by external factors, and on the other hand, a sealing plate device which is specially used for later maintenance of the hydraulic pipeline and the hydraulic motor and can be opened is further designed.

Description

Technical Field

[0001] This utility model relates to a hydraulic pipeline and a hydraulic motor protection device, belonging to the field of excavator technology. Background Technology

[0002] Hydraulic excavators operate under harsh conditions, and protective measures for critical components such as hydraulic lines and hydraulic motors must be considered during the initial design phase to ensure the service life of these critical components.

[0003] Currently, the hydraulic pipelines and hydraulic motor protection devices of hydraulic excavators are mostly fully enclosed structures, involving multiple assembly components, making implementation complex and inconvenient for later maintenance and repair of the hydraulic pipelines and hydraulic motors. Summary of the Invention

[0004] This utility model provides a hydraulic pipeline and hydraulic motor protection device, which can effectively protect the hydraulic pipeline and hydraulic motor and prevent them from losing their function due to external factors.

[0005] This utility model is achieved according to the following technical solution:

[0006] In a first aspect, this utility model provides a hydraulic pipeline and a hydraulic motor protection device, including:

[0007] The protective cover is a semi-enclosed structure, fixed to the outer facade of the longitudinal beam, and can enclose the hydraulic motor at the end of the longitudinal beam and the hydraulic pipelines around the hydraulic motor in the box formed by the cover and the longitudinal beam; the protective cover has a window for inspecting and maintaining the hydraulic pipelines and hydraulic motor at the position directly opposite the hydraulic motor.

[0008] The sealing plate device completely covers the window and is fixed to the protective cover in a detachable manner.

[0009] In some embodiments, the protective shield includes:

[0010] The upper and lower bending plates are welded together to form a C-shaped frame, which encloses the hydraulic motor. The inclined plates of the two plates extend backward along the length of the longitudinal beam to the stiffening plate of the longitudinal beam, and the stiffening plate is provided with through holes.

[0011] The side plate is welded between the upper and lower curved plates and works with the upper and lower curved plates to protect the hydraulic pipelines and hydraulic motor. The window is opened on the side plate.

[0012] A C-shaped mounting plate is welded to the outer side of the C-shaped frame. The C-shaped mounting plate has circumferential through holes, each of which corresponds to a threaded hole on a flange for fixing a hydraulic motor. The C-shaped mounting plate is fixed to the flange by multiple bolts, thereby fixing the protective cover to the outer side of the longitudinal beam.

[0013] In some embodiments, the sealing device includes:

[0014] A sealing plate, used to block the window;

[0015] A hinged component is provided, through which the sealing plate is connected to the side upright plate, and the sealing plate is opened and closed by rotating around the hinge point.

[0016] In some embodiments, the side panel has at least one lower connecting pipe near the window, and the sealing plate has an upper connecting pipe that mates with the lower connecting pipe. A pin is inserted between the upper connecting pipe and the lower connecting pipe to form the hinge component. The sealing plate has a plurality of through holes spaced apart along the perimeter, and the side panel has a plurality of threaded holes that correspond one-to-one with the through holes. The sealing plate is fixed to the side panel by a plurality of bolts.

[0017] In some embodiments, an oil cup for adding lubricating fluid is installed on the upper connecting pipe to lubricate the internal rotating surfaces of the hinge component.

[0018] In some embodiments, the C-shaped mounting plate has a spacer arranged coaxially with it welded at the through hole on the side facade facing the hydraulic motor; the C-shaped plate has a C-shaped protective plate welded on the side facade facing the hydraulic motor, extending along its entire outer edge, the C-shaped protective plate enclosing all the spacers therein.

[0019] In some embodiments, at least one reinforcing plate is welded to the joint between the bent portion of the lower bending plate and the C-shaped mounting plate.

[0020] In some embodiments, at least one lifting lug is welded onto the upper curved plate.

[0021] Secondly, this utility model provides a walking device, including a hydraulic motor, tracks, longitudinal beams, and the aforementioned hydraulic pipelines and hydraulic motor protection device.

[0022] Thirdly, this utility model provides an excavator, including the aforementioned hydraulic pipeline and hydraulic motor protection device; or, including the aforementioned traveling device.

[0023] The beneficial effects of this utility model are:

[0024] This utility model provides a hydraulic pipeline and hydraulic motor protection device, which can effectively protect the hydraulic pipeline and hydraulic motor from damage by external factors. In addition, it is designed with an openable sealing plate device for later maintenance of the hydraulic pipeline and hydraulic motor. Attached Figure Description

[0025] The accompanying drawings, as part of this utility model, are used to provide a further understanding of the present utility model. The illustrative embodiments and descriptions of the present utility model are used to explain the present utility model, but do not constitute an undue limitation of the present utility model. Obviously, the drawings described below are merely some embodiments; those skilled in the art can obtain other drawings based on these drawings without any creative effort.

[0026] In the attached diagram:

[0027] Figure 1 This is an exploded view of some components of the hydraulic pipeline and hydraulic motor protection device of this utility model;

[0028] Figure 2 This is an overall schematic diagram of the hydraulic pipeline and hydraulic motor protection device of this utility model;

[0029] Figure 3 This is a schematic diagram of the outer structure of the protective cover of this utility model;

[0030] Figure 4 This is a schematic diagram of the inner structure of the protective cover of this utility model;

[0031] Figure 5 This is a schematic diagram of the sealing plate device of this utility model;

[0032] Figure 6 This is a schematic diagram illustrating the application of the hydraulic pipeline and hydraulic motor protection device of this utility model.

[0033] Attached diagram labels: 1. Protective cover, 2. Sealing plate device, 3. Pin, 4. Oil cup, 5. Bolt, 6. Side upright plate, 7. Upper bending plate, 8. Lifting lug, 9. C-type mounting plate, 10. Reinforcing plate, 11. Lower connecting pipe, 12. Pad plate, 13. Lower bending plate, 14. Spacer, 15. C-type protective plate, 16. Sealing plate, 17. Upper connecting pipe, 18. Protective device, 19. Longitudinal beam, 20. Bolt.

[0034] It should be noted that these accompanying drawings and textual descriptions are not intended to limit the scope of the present invention in any way, but rather to illustrate the concept of the present invention to those skilled in the art by referring to specific embodiments. Detailed Implementation

[0035] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings. The following embodiments are used to illustrate this utility model, but are not intended to limit the scope of this utility model.

[0036] In the description of this utility model, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0037] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0038] like Figure 1 , Figure 2 , Figure 6 As shown, a hydraulic pipeline and hydraulic motor protection device 18 includes a protective cover 1 and a sealing plate device 2. The protective cover 1 is a semi-enclosed structure, which is fixed to the outer side of the longitudinal beam 19 and can enclose the hydraulic motor at the end of the longitudinal beam and the hydraulic pipeline around the hydraulic motor in the box formed by the cover 1 and the longitudinal beam 19. The protective cover 1 has a window for inspecting and maintaining the hydraulic pipeline and hydraulic motor at the position directly opposite the hydraulic motor. After the sealing plate device 2 completely covers the window, it is fixed to the protective cover 1 in a detachable manner.

[0039] The following provides a further explanation of the specific structure of the aforementioned protective cover.

[0040] like Figure 3 , Figure 4As shown, the protective cover 1 includes an upper curved plate 7, a lower curved plate 13, a side upright plate 6, and a C-shaped mounting plate 9. The bent portions of the upper curved plate 7 and the lower curved plate 13 are welded together to form a C-shaped frame, which encloses the hydraulic motor. The inclined plates of the upper curved plate 7 and the lower curved plate 13 extend backward along the length of the longitudinal beam 19 to the stiffening plate of the longitudinal beam 19, and the stiffening plate has through holes. The side upright plate 6 is welded between the upper curved plate 7 and the lower curved plate 13, and works with the upper curved plate 7 and the lower curved plate 13 to protect the hydraulic pipeline and the hydraulic motor. The window is opened on the side upright plate 6. The C-shaped mounting plate 9 is welded to the outer side of the C-shaped frame. The C-shaped mounting plate 9 has a circumferential through hole, and each through hole corresponds to a threaded hole on the flange for fixing the hydraulic motor. The C-shaped mounting plate 9 is fixed to the flange by multiple bolts 20, thereby fixing the protective cover 1 to the outer upright of the longitudinal beam 19.

[0041] The following provides a further explanation of the specific structure of the sealing plate device described above.

[0042] like Figure 5 As shown, the sealing plate device 2 includes a sealing plate 16 and a hinge component; the sealing plate is used to block the window; the sealing plate 16 is connected to the side panel 6 through the hinge component, and its opening and closing are achieved by rotating the sealing plate 16 around the hinge point.

[0043] Further options, such as Figure 1 , Figure 2 , Figure 3 , Figure 5 As shown, the side panel 6 has at least one lower connecting pipe 11 near the window, that is, the lower connecting pipe 11 is welded to the side panel 6 through a pad 12; the sealing plate 16 has an upper connecting pipe 17 that cooperates with the lower connecting pipe 11, that is, the upper connecting pipe 17 is welded to the sealing plate 16 through a pad 12; a pin 3 is inserted between the upper connecting pipe 17 and the lower connecting pipe 11 to form a hinge component; the sealing plate 16 has a plurality of through holes arranged at intervals along the perimeter, and the side panel 6 has a plurality of threaded holes corresponding to the through holes one by one, and the sealing plate is fixed to the side panel 6 by a plurality of bolts 5.

[0044] Further options, such as Figure 1 , Figure 2 As shown, an oil cup 4 for adding lubricating fluid is installed on the upper connecting pipe 17 to lubricate the internal rotating surfaces of the hinge component.

[0045] Further options, such as Figure 4 As shown, a spacer 14 is welded to the through hole on the side facing the hydraulic motor of the C-type mounting plate 9, which is arranged coaxially with the hydraulic motor; a C-type protective plate 15 is welded to the side facing the hydraulic motor of the C-type plate, which extends along its entire outer edge, and the C-type protective plate 15 encloses all the spacers 14.

[0046] Further options, such as Figure 1 , Figure 2 , Figure 3 As shown, at least one reinforcing plate 10 is welded to the joint between the bent portion of the lower bending plate 13 and the C-shaped mounting plate 9.

[0047] Further options, such as Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, at least one lifting lug 8 is welded onto the upper curved plate 7.

[0048] like Figure 6 As shown, during assembly, the protective device 18 is installed and fixed on the longitudinal beam 19 by five sets of bolts 20. The hydraulic pipeline and hydraulic motor are both inside the protective device 18. The sealing plate device 2 can be opened by removing the bolts 5 to inspect and maintain the hydraulic pipeline and hydraulic motor.

[0049] In summary, this utility model provides a hydraulic pipeline and a hydraulic motor protection device, which have the following functions and effects:

[0050] 1. The hydraulic pipeline and hydraulic motor protection device disclosed in this utility model is designed with an openable and closable sealing plate device for the inspection and maintenance of the protected components.

[0051] 2. The installation and fixing of this utility model does not require the design of a mounting base on the longitudinal beam structure. Instead, it uses bolts to connect to the hydraulic motor to achieve installation and fixing.

[0052] The following describes the walking device provided by this utility model. The walking device described below can be referred to in correspondence with the hydraulic pipeline and hydraulic motor protection device described above.

[0053] like Figure 6 As shown, the walking device provided by this utility model may include hydraulic pipelines and hydraulic motor protection device 18 as described in any of the above embodiments.

[0054] The beneficial effects achieved by the walking device provided by this utility model are consistent with the beneficial effects achieved by the hydraulic pipeline and hydraulic motor protection device provided by this utility model, so they will not be described again here.

[0055] The excavator device provided by this utility model will be described below. The excavator described below can be referred to in correspondence with the walking device described above.

[0056] The excavator provided by this utility model may include the walking device as described in any of the above embodiments.

[0057] The beneficial effects achieved by the excavator provided by this utility model are consistent with the beneficial effects achieved by the walking device provided by this utility model, so they will not be repeated here.

[0058] Numerous specific details are set forth in the specification provided herein. However, it will be understood that embodiments of the present invention may be practiced without these specific details. In some instances, well-known methods, structures, and techniques have not been shown in detail so as not to obscure the understanding of this specification.

[0059] Furthermore, those skilled in the art will understand that although some embodiments described herein include certain features found in other embodiments but not others, combinations of features from different embodiments are also within the scope of protection of this invention and form different embodiments. For example, in the embodiments described above, those skilled in the art can use them in combination based on known technical solutions and the technical problems to be solved by this application.

[0060] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-described technical content to create equivalent embodiments without departing from the scope of the present utility model. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the scope of the present utility model shall still fall within the scope of the present utility model.

Claims

1. A hydraulic line, hydraulic motor guard, characterized in that, The application relates to a hydraulic pipe and hydraulic motor protection device. The protection device comprises: a protection cover which is fixed to the outer side of the longitudinal beam and can wrap the hydraulic motor and the hydraulic pipe around the hydraulic motor into a box formed by the protection cover and the longitudinal beam; the protection cover is provided with a window for checking and maintaining the hydraulic pipe and the hydraulic motor; 2. A hydraulic line, hydraulic motor guard according to claim 1, characterized in that a sealing plate device which is fixed to the protection cover in a detachable mode after covering the window. The protection cover comprises: upper and lower bent plates which are connected by the bent parts and form a C-shaped frame for wrapping the hydraulic motor; the inclined plates of the upper and lower bent plates extend to the rib plate of the longitudinal beam; the rib plate is provided with a pipe passing hole; a side plate which is welded between the upper and lower bent plates and cooperates with the upper and lower bent plates to protect the hydraulic pipe and the hydraulic motor; the window is arranged on the side plate; 3. A hydraulic line, hydraulic motor guard according to claim 2, characterized in that a C-shaped mounting plate which is welded to the outer side of the C-shaped frame; the C-shaped mounting plate is provided with a plurality of through holes; each through hole corresponds to a threaded hole of a flange plate for fixing the hydraulic motor; the C-shaped mounting plate is fixed to the flange plate by a plurality of bolts, and then the protection cover is fixed to the outer side of the longitudinal beam. The sealing plate device comprises: a sealing plate for sealing the window; a hinge part; the sealing plate is connected to the side plate through the hinge part; the sealing plate is opened and closed by rotating around the hinge point.

4. The hydraulic pipe and hydraulic motor protection device according to claim 3, wherein: the side plate is provided with at least one lower connecting pipe near the window; the sealing plate is provided with an upper connecting pipe matched with the lower connecting pipe; a pin shaft is arranged between the upper and lower connecting pipes to form the hinge part; the sealing plate is provided with a plurality of through holes arranged at intervals along the periphery; the side plate is provided with a plurality of threaded holes matched with the through holes; the sealing plate is fixed to the side plate by a plurality of bolts.

5. The hydraulic pipe and hydraulic motor protection device according to claim 4, wherein: an oil cup is arranged on the upper connecting pipe for adding lubricating oil to lubricate the inner rotating surface of the hinge part.

6. The hydraulic pipe and hydraulic motor protection device according to claim 2, wherein: a spacer sleeve is welded to the through hole of the C-shaped mounting plate on the side surface facing the hydraulic motor; a C-shaped protection plate is welded to the side surface of the C-shaped plate facing the hydraulic motor and extends along the whole outer edge; the C-shaped protection plate wraps all the spacer sleeves.

7. The hydraulic pipe and hydraulic motor protection device according to claim 2, wherein: at least one reinforcing plate is welded to the joint of the bent part of the lower bent plate and the C-shaped mounting plate.

8. The hydraulic pipe and hydraulic motor protection device according to claim 2, wherein: at least one lifting lug is welded to the upper bent plate.

9. A walking device comprising a hydraulic motor, a track and a longitudinal beam, wherein Also included is the hydraulic piping, the hydraulic motor guard device according to any one of claims 1 to 8.

10. An excavator characterized by comprising: Also included is the hydraulic piping, the hydraulic motor guard device according to any one of claims 1 to 8; or, the traveling device according to claim 9.

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