CN215928338U

CN215928338U - Power head device, hydraulic system and operating machine

Info

Publication number: CN215928338U
Application number: CN202122108826.8U
Authority: CN
Inventors: 黎毅力
Original assignee: Beijing Sany Intelligent Technology Co Ltd
Current assignee: Beijing Sany Intelligent Technology Co Ltd
Priority date: 2021-09-02
Filing date: 2021-09-02
Publication date: 2022-03-01
Anticipated expiration: 2031-09-02

Abstract

The utility model provides a power head device, a hydraulic system and an operating machine. The power head device comprises a box body, a main driving mechanism and a power pump mechanism; the main driving mechanism is used for outputting power; specifically, an accommodating cavity for accommodating lubricating oil is arranged in the box body; the main driving mechanism is connected with the box body and at least partially accommodated in the accommodating cavity; the power pump mechanism is communicated with the accommodating cavity and is used for being connected with an external power source and driving lubricating oil to lubricate the main driving mechanism. In the unit head device of this embodiment, connect in external power source and via the power pump mechanism of external power source drive through the setting, compare in traditional unit head device, the unit head device of this embodiment can adjust power pump mechanism's operating condition when the course of the work is used according to actual need to guarantee the lubricated effect of unit head device, simple structure, excellent in use effect.

Description

Power head device, hydraulic system and operating machine

Technical Field

The utility model relates to the technical field of operating machinery, in particular to a power head device, a hydraulic system and operating machinery.

Background

The power head device is an important working component in a working machine, in a conventional power head device, a hydraulic motor is generally connected with a speed reducer, an output shaft of the speed reducer drives a driving gear of the speed reducer and a lubricating oil circulating pump, and when the hydraulic motor works, lubricating oil can be pumped by the lubricating oil circulating pump and conveyed to various lubricating points so as to lubricate and cool internal elements of the power head device, such as a bearing, a gear and the like.

The existing power head device is in the actual operation process, because the rotation speed of the power head can change, when the power head rotates at a low speed, the working speed of the circulating pump is influenced by the rotating speed of the power head, the phenomenon that oil cannot be sucked or air cannot be sucked easily occurs, and the circulating pump cannot adjust the working state of the circulating pump according to requirements, so that the cooling and lubricating are insufficient or the gear pump is damaged.

SUMMERY OF THE UTILITY MODEL

The utility model provides a power head device, a hydraulic system and an operating machine, which are used for solving the problem that the rotating speed of a circulating pump in the traditional power head device cannot be adjusted, so that the power device is insufficiently lubricated and cooled.

The utility model provides a power head device, comprising:

the box body is internally provided with a containing cavity for containing lubricating oil;

the main driving mechanism is connected with the box body and at least partially accommodated in the accommodating cavity; and

and the power pump mechanism is communicated with the accommodating cavity and is used for connecting an external power source and driving the lubricating oil to lubricate the main driving mechanism.

According to an embodiment of the present invention, a lubrication hole communicating with the accommodating chamber is formed in the box body, an extending direction of the lubrication hole faces the main driving mechanism, and the lubrication hole is connected to the power pump mechanism.

According to an embodiment of the utility model, the power pump mechanism comprises a power pump assembly and an oil circuit assembly, the power pump assembly is provided with an oil circuit port and a power port, the oil circuit assembly is respectively connected with the oil circuit port and the lubricating hole, the power port is used for being connected with the power source, and the power pump assembly is used for driving the lubricating oil to be conveyed to the lubricating hole through the oil circuit assembly.

According to one embodiment of the utility model, the main driving mechanism comprises a main driving component and a gear component, wherein at least part of the gear component is movably accommodated in the accommodating cavity, and the main driving component is arranged outside the accommodating cavity and is in power connection with the gear component; the lubricating hole extends towards the gear assembly.

According to one embodiment of the utility model, the box body is provided with a mounting hole communicated with the accommodating cavity; the oil circuit assembly comprises an input oil pipe and a filter element, the filter element is embedded in the mounting hole, and the input oil pipe is connected with the filter element and the oil circuit port respectively.

According to one embodiment of the utility model, the filter cartridge is at least partially housed in the housing chamber; the mounting hole orientation the edge that holds chamber one side is equipped with the water conservancy diversion face, just the mounting hole orientation hold the aperture of chamber one end and be greater than keeping away from hold the aperture of the one end in chamber.

According to an embodiment of the utility model, the power pump assembly comprises a motor pump detachably connected to the tank, the oil passage port and the power port are both provided on the motor pump, and the motor pump is used for driving the lubricating oil to be conveyed to the lubricating hole through the oil passage assembly.

According to one embodiment of the utility model, the power pump assembly comprises a driving piece, a lubricating pump and a connecting seat, wherein the connecting seat is detachably connected to the box body and provided with a connecting hole, at least part of the driving piece and part of the lubricating pump are accommodated in the connecting hole, and the driving piece is detachably connected to the lubricating pump and used for driving the lubricating pump; the oil path port is arranged on the lubricating pump, and the power port is arranged on the driving piece.

The present invention also provides a hydraulic system comprising:

a hydraulic oil circuit; and

the power head apparatus according to any one of the above claims, wherein the hydraulic oil passage is connected to the power pump mechanism and is configured to drive the power pump mechanism.

The present invention also provides a working machine comprising:

a host; and

the powerhead apparatus of any preceding claim, or the hydraulic system of any preceding claim; the box body is connected to the host.

The embodiment of the utility model has the following beneficial effects:

in the unit head device of this embodiment, connect in external power source and via the power pump mechanism of external power source drive through the setting, compare in traditional unit head device, the unit head device of this embodiment can adjust power pump mechanism's operating condition when the course of the work is used according to actual need to guarantee the lubricated effect of unit head device, simple structure, excellent in use effect.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Wherein:

FIG. 1 is a schematic diagram of the construction of a powerhead apparatus in an embodiment of the present invention;

FIG. 2 is an enlarged schematic view of the internal structure of the powerhead apparatus in an embodiment of the present invention;

FIG. 3 is an enlarged view of detail A of FIG. 2;

FIG. 4 is an enlarged view of detail B of FIG. 2;

FIG. 5 is an enlarged view of detail C of FIG. 2;

FIG. 6 is a schematic illustration of the internal structure of a powerhead apparatus in another embodiment of the present invention;

FIG. 7 is an enlarged view of detail D of FIG. 6;

reference numerals:

10. a power head device; 100. A box body; 110. An accommodating chamber;

120. a lubrication hole; 121. A first lubrication hole; 122. A second lubrication hole;

130. mounting holes; 131. A flow guide surface; 200. A main drive mechanism;

210. a main drive assembly; 211. A hydraulic motor; 212. A speed reducer;

2121. a deceleration lubrication hole; 220. A gear assembly; 221. A driving gear;

222. a driven gear; 223. An output shaft; 224. A first bearing;

225. a second bearing; 300. A power pump mechanism; 310. A power pump assembly;

311. an oil passage port; 3111. An oil path input port; 3112. a first oil passage output port;

3113. 3114, a third oil output port, 312, a power port;

3121. a power input port; 3122. A power output port; 313. A motor pump;

314. a drive member; 315. A lubrication pump; 316. A connecting seat;

3161. connecting holes; 317. A coupling; 320. An oil circuit assembly;

321. inputting an oil pipe; 322. And (3) a filter element.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, an embodiment of the present invention provides a power head apparatus 10, which includes a housing 100, a main driving mechanism 200, and a power pump mechanism 300; the main drive mechanism 200 is used for outputting power; specifically, the housing 100 is provided therein with a receiving cavity 110 for receiving lubricating oil; the main driving mechanism 200 is connected to the box 100 and at least partially accommodated in the accommodating chamber 110; the power pump mechanism 300 is connected to the accommodating chamber 110, and the power pump mechanism 300 is used for connecting an external power source and driving the lubricating oil to lubricate the main driving mechanism 200.

In the power head device 10 of the present embodiment, by providing the power pump mechanism 300 connected to the external power source and driven by the external power source, compared to the conventional power head device 10, when the power head device 10 of the present embodiment is applied in a working process, the working state of the power pump mechanism 300 can be adjusted according to actual needs, so as to ensure the lubricating effect of the power head device 10, and the power head device is simple in structure and good in use effect.

Specifically, referring to fig. 1 and 2, the housing 100 is provided with a lubrication hole 120 communicating with the accommodating cavity 110, the lubrication hole 120 extends toward the main driving mechanism 200, and the lubrication hole 120 is connected to the power pump mechanism 300.

With this arrangement, when the power head device 10 of the present embodiment is used, the power pump mechanism 300 can be driven by an external power source, and pumps up the lubricating oil in the housing chamber 110 to be injected to the main drive mechanism 200 via the lubrication hole 120 to lubricate it; during operation of the power head apparatus 10, the operating speed of the main drive mechanism 200 does not affect the operation of the power pump mechanism 300, thereby ensuring the lubrication effect of the power head apparatus 10.

In the present embodiment, the power pump mechanism 300 includes a power pump assembly 310 and an oil path assembly 320, the power pump assembly 310 is provided with an oil path port 311 and a power port 312, the oil path assembly 320 is connected to the oil path port 311 and the lubrication hole 120, respectively, the power port 312 is used for connecting with a power source, and the power pump assembly 310 is used for driving lubricating oil to be delivered to the lubrication hole 120 via the oil path assembly 320.

When the power head device 10 of the present embodiment is used, after the power pump assembly 310 is started, a negative pressure may be established inside the oil path assembly 320, and the lubricating oil pumped by the oil path assembly 320 in the accommodating cavity 110 is delivered to the at least one lubricating hole 120 on the housing 100 via the oil path assembly 320, and since the lubricating hole 120 corresponds to the component of the main driving mechanism 200 located in the accommodating cavity 110, the lubricating hole 120 may guide the lubricating oil so that the lubricating oil lubricates the internal component of the main driving mechanism 200.

Specifically, in this embodiment, the power pump assembly 310 is disposed outside the accommodating cavity 110, and can drive the lubricating oil to flow back to the accommodating cavity 110 through the lubricating hole 120 after the lubricating oil is output from the accommodating cavity 110, because the power pump mechanism 300 is disposed outside the accommodating cavity 110, not only can the subsequent maintenance of the power pump mechanism 300 be facilitated, but also the power pump mechanism 300 can be additionally installed on the conventional power head device, so as to achieve the transformation function, and the use cost and the maintenance cost are both reduced, and the use effect is good.

In other embodiments, the power pump mechanism 300 may be disposed inside the accommodating cavity 110, and after pumping the lubricant, the lubricant may be sprayed on the element to be lubricated and cooled, so that the risk of oil leakage of the power head apparatus 10 may be reduced, and the use effect may be good.

In this embodiment, the main driving mechanism 200 includes a main driving assembly 210 and a gear assembly 220, the gear assembly 220 is at least partially movably received in the accommodating cavity 110, the main driving assembly 210 is disposed outside the accommodating cavity 110 and is power-connected to the gear assembly 220; the lubrication hole 120 extends toward the gear assembly 220.

In this embodiment, the main driving assembly 210 is at least partially disposed outside the accommodating cavity 110, and is configured to drive the gear assembly 220, and output the rotational power after being decelerated by the gear assembly 220, but in some embodiments, the main driving assembly 210 may also be used as a driven element, and one end of the gear assembly 220 is connected to an external power device and drives the main driving assembly 210, which is not limited herein. Through setting up the lubrication hole 120 corresponding to gear assembly 220, after power pump assembly 310 started, can deliver lubricating oil to gear assembly 220 department via oil circuit subassembly 320 to lubricate cooling, excellent in use effect to gear assembly 220.

Further, referring to fig. 2 and 3, the box 100 is provided with a mounting hole 130 communicated with the accommodating cavity 110; the oil passage assembly 320 includes an input oil pipe 321 and a filter element 322, the filter element 322 is embedded in the installation hole 130, and the input oil pipe 321 is connected to the filter element 322 and the oil passage port 311, respectively.

With this arrangement, after the power pump assembly 310 is started, the lubricating oil in the accommodating cavity 110 can be lubricated by the filter element 322 and then delivered to the oil path port 311 of the power pump assembly 310 through the input oil pipe 321, so that the degree of cleaning of the oil path in the power pump mechanism 300 can be improved, and blockage can be avoided.

Specifically, referring to fig. 3, the filter element 322 is at least partially received within the receiving cavity 110; the edge of the mounting hole 130 facing one side of the accommodating cavity 110 is provided with a flow guide surface 131, and the aperture of the mounting hole 130 facing one end of the accommodating cavity 110 is larger than that of the end far away from the accommodating cavity 110.

Therefore, after the lubricating oil flows back into the accommodating cavity 110, the lubricating oil can flow to the filter element 322 through the flow guide surface 131 under the action of gravity, so that the contact area between the filter element 322 and the lubricating oil is increased, and the filtering effect of the lubricating oil is ensured; in the arrangement state shown in fig. 3, the guiding surface 131 encloses and forms a trumpet-shaped hole at the inner end of the mounting hole 130, and the lubricating oil can be guided by the guiding surface 131.

Referring to fig. 2 to 5, in the present embodiment, the power pump assembly 310 includes a motor pump 313, the motor pump 313 is detachably connected to the box 100, the oil port 311 and the power port 312 are both disposed on the motor pump 313, and the motor pump 313 is used for driving the lubricating oil to be delivered to the lubricating hole 120 through the oil channel assembly 320; wherein, the power source comprises any one of a hydraulic power source, a pneumatic power source and an electric power source.

In this embodiment, the motor pump 313 may be disposed at one side of the casing 100 and disconnected from the main driving assembly 210, and after the motor pump 313 is driven by the power source, a negative pressure may be generated in the oil path assembly 320, and the lubricating oil may be pumped and delivered through the oil path assembly 320; specifically, when the power source is a hydraulic power source or a pneumatic power source, the motor pump 313 is a pressure motor pump and can be driven by a high pressure established by hydraulic pressure or pneumatic pressure, and the power port 312 includes a power input port 3121 and a power output port 3122, and hydraulic pressure or pneumatic pressure can be input into the motor pump 313 through the power input port 3121 and output from the power output port 3122 after work is done to form a circulation circuit. When the power source is an electric power source, the motor pump 313 is an electric motor pump, and the power port 312 may include circuit contacts and be connected to the electric power source through the circuit contacts to perform a start function of the motor pump 313.

Referring to fig. 6, in another embodiment, the power pump assembly 310 includes a driving member 314, a lubrication pump 315 and a connecting base 316, the connecting base 316 is detachably connected to the box 100, the connecting base 316 is provided with a connecting hole 3161, the driving member 314 and the lubrication pump 315 are at least partially received in the connecting hole 3161, and the driving member 314 is detachably connected to the lubrication pump 315 and is used for driving the lubrication pump 315; the oil path port 311 is provided on the lubricating pump 315, and the power port 312 is provided on the driving member 314; wherein, the power source comprises any one of a hydraulic power source, a pneumatic power source or an electric power source.

In the embodiment, by arranging the driving part 314 to be connected with the lubricating pump 315, power can be input into the lubricating pump 315 after the driving part 314 is started, so as to realize a driving function; the difference from the above embodiment is that, in the process of using the power head device 10 of the present embodiment, when the driving member 314 or the lubricating pump 315 is out of order and needs to be replaced, the whole power pump assembly 310 does not need to be replaced, so as to achieve the effect of reducing the use cost; in addition, through setting up driving piece 314 and being connected with lubricating pump 315, in the use, can install the lubricating pump 315 of different models according to the actual use demand, it is more nimble to use.

Further, referring to fig. 7, the driving member 314 and the lubrication pump 315 are plugged at opposite ends of the connection hole 3161.

With the arrangement, after the driving part 314 is connected with the lubricating pump 315, the connecting structure of the driving part and the lubricating pump 315 is positioned in the sealed connecting hole 3161, so that sundries can be prevented from contacting with the driving part and the lubricating pump 315, and the durability of the driving part 314 and the lubricating pump 315 is improved.

In this embodiment, the power pump assembly 310 further includes a coupling 317, and the driving member 314 is connected to the lubricating pump 315 through the coupling 317, and it can be understood that the driving member 314 and the lubricating pump 315 are connected through the coupling 317, so that the power pump assembly 310 can be conveniently disassembled and assembled on the premise of ensuring power transmission therebetween, and when there is a size difference between the output shaft of the driving member 314 and the input shaft of the lubricating pump 315, the connection therebetween can also be achieved, and the use effect is good.

Referring to fig. 2 and 6, in the present embodiment, the number of the lubrication holes 120 is at least two, and the lubrication holes include a first lubrication hole 121 and a second lubrication hole 122, the main driving assembly 210 includes a hydraulic motor 211 and a speed reducer 212, an output end of the hydraulic motor 211 is connected to the speed reducer 212, and outputs power through the speed reducer 212, and the speed reducer 212 is provided with a speed reduction lubrication hole 2121; the oil passage port 311 has an oil passage input port 3111 and at least three oil passage output ports, the oil passage output ports include a first oil passage output port 3112, a second oil passage output port 3113 and a third oil passage output port 3114, the first lubrication hole 121 and the first oil passage output port 3112 are connected by a pipeline, the second lubrication hole 122 and the second oil passage output port 3113 are connected by a pipeline, and the deceleration lubrication hole 2121 and the third oil passage output port 3114 are connected by a pipeline.

Specifically, in the present embodiment, the gear assembly 220 includes a driving gear 221, a driven gear 222, an output shaft 223, a first bearing 224 and a second bearing 225, the driving gear 221 is connected to an output end of the hydraulic motor 211, the driven gear 222 is disposed in parallel with and meshed with the driving gear 221, the first bearing 224 is respectively connected to the driving gear 221 and the accommodating chamber 110 and is used for bearing the driving gear 221, and the second bearing 225 is respectively connected to the casing 100 and the driven gear 222 and is used for bearing the driven gear 222; in the present embodiment, the first lubrication hole 121 corresponds to the first bearing 224, the second lubrication hole 122 corresponds to the second bearing 225, and the deceleration lubrication hole 2121 corresponds to the decelerator 212.

The present invention also provides a hydraulic system including a hydraulic oil path for supplying hydraulic power to the power head apparatus 10, and the power head apparatus 10 of any one of the above embodiments, and the hydraulic oil path is connected to the power pump mechanism 300 and is used to drive the power pump mechanism 300.

It should be noted that, in the present embodiment, the hydraulic oil path may include a power source, and the power pump mechanism 300 may be driven by hydraulic power, so as to achieve the effect of pumping lubricating oil; when the power head device 10 employs a pneumatic power source or an electric power source, the power head device may also be used in combination with a hydraulic oil path to achieve the effect of driving the power pump mechanism 300, which is not limited herein.

The utility model also provides a working machine, which is characterized by comprising a host and the power head device 10 or the hydraulic system in any one of the above embodiments, wherein the box body 100 is connected with the host.

In the working machine of this embodiment, by using the power head device 10 in the above embodiment, when the power head device 10 is in operation, the operating state of the power pump mechanism 300 can be adjusted according to actual needs, so as to ensure the lubricating effect of the power head device 10, and the working machine has a simple structure and a good using effect. Specifically, work machines include, but are not limited to, drilling rigs, excavators, lifts, and the like.

In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present invention can be understood in specific cases by those of ordinary skill in the art.

In embodiments of the utility model, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A powerhead apparatus, comprising:

2. The power head device of claim 1, wherein the housing defines a lubrication hole communicating with the receiving cavity, the lubrication hole extending toward the main drive mechanism, and the lubrication hole is connected to the power pump mechanism.

3. The powerhead apparatus of claim 2, wherein the power pump mechanism comprises a power pump assembly and an oil circuit assembly, the power pump assembly being provided with an oil circuit port and a power port, the oil circuit assembly being connected to the oil circuit port and the lubrication bore, respectively, the power port being for connection with the power source, and the power pump assembly being for forcing the lubricating oil to be delivered to the lubrication bore via the oil circuit assembly.

4. The powerhead apparatus of claim 3, wherein the primary drive mechanism comprises a primary drive assembly and a gear assembly, the gear assembly being at least partially movably received within the cavity, the primary drive assembly being disposed outside of the cavity and being in powered connection with the gear assembly; the lubricating hole extends towards the gear assembly.

5. The power head device of claim 3, wherein the housing defines a mounting hole in communication with the receiving cavity; the oil circuit assembly comprises an input oil pipe and a filter element, the filter element is embedded in the mounting hole, and the input oil pipe is connected with the filter element and the oil circuit port respectively.

6. The powerhead apparatus of claim 5, wherein the filter cartridge is at least partially received within the receiving cavity; the mounting hole orientation the edge that holds chamber one side is equipped with the water conservancy diversion face, just the mounting hole orientation hold the aperture of chamber one end and be greater than keeping away from hold the aperture of the one end in chamber.

7. The powerhead apparatus of any of claims 3-6, wherein the power pump assembly comprises a motor pump removably connected to the housing, the oil port and the power port both being disposed on the motor pump, the motor pump being configured to drive the lubricating oil through the oil assembly to the lubrication port.

8. The power head device according to any one of claims 3 to 6, wherein the power pump assembly comprises a driving member, a lubrication pump and a connecting seat, the connecting seat is detachably connected to the housing, the connecting seat is provided with a connecting hole, the driving member and the lubrication pump are at least partially accommodated in the connecting hole, and the driving member is detachably connected to the lubrication pump and is used for driving the lubrication pump; the oil path port is arranged on the lubricating pump, and the power port is arranged on the driving piece.

9. A hydraulic system, comprising:

a hydraulic oil circuit; and

a powerhead apparatus according to any of claims 1 to 8, wherein the hydraulic oil circuit is connected to, and is adapted to drive, the power pump mechanism.

10. A work machine, comprising:

a host; and

a powerhead apparatus according to any of claims 1 to 8, or a hydraulic system according to claim 9; the box body is connected to the host.