CN219867362U - Mining single-point lubrication oiling device - Google Patents

Abstract

The utility model relates to the field of lubrication oiling equipment, in particular to a mining single-point lubrication oiling device, which comprises: the first shell is provided with a piston cavity, the top of the piston cavity of the first shell is provided with an oil supply hole, and the piston cavity is provided with an oil drain hole; the shell comprises a barrel part surrounding the outer side of the first shell and a top cover covering the top of the barrel part, the top cover is provided with an oil supply cavity communicated with the oil supply hole, and the top of the oil supply cavity is open; the oil outlet assembly comprises a piston rod which is arranged in a piston cavity in a lifting manner, a piston matched with the piston cavity is arranged at the top of the piston rod, the piston rod comprises a connecting rod section connected with the piston, a gap is reserved between the connecting rod section and the cavity wall of the piston cavity, and the piston rod can extend out of the oil supply hole. According to the utility model, by optimizing the structures of the piston cavity and the piston rod, the oil supply cavity is utilized to provide the space for taking oil from the piston rod, so that the problems in the prior art are effectively solved.

Description

Mining single-point lubrication oiling device

Technical Field

The utility model relates to the field of lubrication oiling equipment, in particular to a mining single-point lubrication oiling device.

Background

The automatic filling device is used for replenishing lubricating oil when the lubricating oil of the mechanical equipment is lost, for example, the patent application number 201120079722.2 discloses the automatic filling device for lubricating oil, which is used for filling the lubricating oil into a cylinder body at the lower side of an oiling piston, and driving the oiling piston downwards through a piston push rod to move when oiling is needed so as to discharge the lubricating oil through the oil filling hole for lubrication.

By adopting the mode, when the cylinder body is replenished with lubricating oil, the cylinder body is required to be disassembled, so that the mode is inconvenient, in addition, the applicant finds that the cylinder body is used as a lubricating oil storage container and a guiding space for discharging lubricating oil when the actual underground coal mine is used, so that the inner diameter profile of the cylinder body is larger, when the cylinder body is disassembled and assembled in the pit, the inner cavity of the cylinder body, a piston rod and an oiling piston are exposed when the cylinder body is disassembled, dust brought by underground ventilation is easy to dip the inner structure of the cylinder body, and the quality of lubricating oil oiling is influenced.

Disclosure of Invention

In order to solve the technical problems, the utility model provides the mining single-point lubrication oiling device, which effectively solves the problems in the prior art by optimizing the structures of a piston cavity and a piston rod and providing an oil taking space of the piston rod by utilizing an oil supply cavity.

In order to solve the problems, the utility model provides a mining single-point lubrication oiling device, which comprises: the first shell is provided with a piston cavity, the top of the piston cavity is provided with an oil supply hole, and the piston cavity is provided with an oil drain hole; the shell comprises a barrel part surrounding the outer side of the first shell and a top cover covering the top of the barrel part, the top cover is provided with an oil supply cavity communicated with the oil supply hole, and the top of the oil supply cavity is open; the oil outlet assembly comprises a piston rod which is arranged in the piston cavity in a lifting manner, a piston matched with the piston cavity is arranged at the top of the piston rod, the piston rod comprises a connecting rod section connected with the piston, a gap is reserved between the connecting rod section and the cavity wall of the piston cavity, the piston rod can extend out of the oil supply hole, oil in the oil supply cavity can flow into the piston cavity, and the piston can press oil in the piston cavity out of the oil drain hole when the piston cavity moves downwards.

Further, the top surface of the top cover extends downwards to form the oil supply cavity.

Further, an annular slot is formed in the top of the first casing, and the side wall of the oil supply cavity is inserted into the slot in a matched mode.

Further, the side wall of the oil supply cavity and the cylinder part clamp and fix the first casing.

Further, a supporting portion for supporting the first casing is arranged on the side wall of the cylinder portion.

Further, the bottom of shell is equipped with the bottom, the bottom is equipped with the fixed orifices, go out oily subassembly and include out the oil pipe, go out the oil pipe one end with the oil drain hole intercommunication, the other end are equipped with out the oil head, it is in to go out oil head detachable installs the fixed orifices.

Further, the vertical dimension of the oil supply cavity is more than or equal to 1cm and less than or equal to 5cm.

Further, the top cover and the cylinder part are screwed and fixed through threads, and a dustproof sealing ring is clamped and fixed between the top cover and the cylinder part.

Further, the top surface of the top cover is provided with an oil stopping sealing ring at the outer side of the oil supply cavity.

Further, the oil drain hole is provided with a one-way valve.

The utility model has the beneficial effects that the oil taking space of the piston rod is provided by utilizing the oil supply cavity through optimizing the structures of the piston cavity and the piston rod, so that the problems in the prior art are effectively solved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

fig. 1 is an external schematic view of a structure according to an embodiment of the present utility model.

Fig. 2 is a schematic side cross-sectional structural view of the embodiment shown in fig. 1.

Fig. 3 is a schematic view of the embodiment of fig. 1 with the housing removed and at a view angle.

Fig. 4 is a schematic view of the structure of the top cover in fig. 3 at a view angle.

Fig. 5 is a schematic view of the piston rod in the embodiment shown in fig. 1.

Fig. 6 is a schematic structural diagram of the check valve body in the embodiment shown in fig. 1.

Wherein: 1. a first housing; 2. a piston chamber; 3. an oil supply hole; 4. an oil drain hole; 5. a piston rod; 501. a connecting rod section; 6. a piston; 7. an oil outlet pipe; 8. an oil supply chamber; 9. a driving section; 901. a transmission gear; 902. a motor; 10. a valve seat; 11. a one-way valve; 1101. a valve block; 1102. an elastic member; 1103. a valve housing; 12. a housing; 1201. a cylinder portion; 1202. a top cover; 13. a slot; 14. a support part; 16. a second housing; 17. a bottom cover; 18. a fixing hole; 19. an oil outlet head; 20. a dust-proof sealing ring; 21. an oil-stopping sealing ring; 22. a sliding block.

Detailed Description

In order to more clearly illustrate the general inventive concept, reference will be made in the following detailed description, by way of example, to the accompanying drawings.

It should be noted that in the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced in other ways than as described herein, and therefore the scope of the present utility model is not limited by the specific embodiments disclosed below.

In addition, in the description of the present utility model, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. However, it is noted that a direct connection indicates that two bodies connected together do not form a connection relationship by an excessive structure, but are connected to form a whole by a connection structure. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means 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 the present utility model. In this specification, schematic representations of the above terms are not necessarily directed 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.

In the present utility model, as shown in fig. 1 to 6, there is provided a mining single-point lubrication oiling device, comprising: the piston type hydraulic oil pump comprises a first shell 1, wherein the first shell 1 is provided with a piston cavity 2, an oil supply hole 3 is formed in the top of the piston cavity 2 in the first shell 1, and an oil drain hole 4 is formed in the piston cavity 2; a housing 12 including a cylindrical portion 1201 surrounding the outside of the first casing 1, a top cover 1202 covering the top of the cylindrical portion 1201, the top cover 1202 being provided with an oil supply chamber 8 communicating with the oil supply hole 3, the top of the oil supply chamber 8 being open; the oil outlet assembly comprises a piston rod 5 which is arranged in the piston cavity 2 in a lifting manner, a piston 6 matched with the piston cavity 2 is arranged at the top of the piston rod 5, the piston rod 5 comprises a connecting rod section 501 connected with the piston 6, a gap is reserved between the connecting rod section 501 and the cavity wall of the piston cavity 2, the piston rod 5 can extend out of the oil supply hole 3, oil in the oil supply cavity 8 can flow into the piston cavity 2, and the piston 6 can press oil in the piston cavity 2 out of the oil drain hole 4 when the piston cavity 2 moves downwards.

When the mining single-point lubrication oiling device is used, the oil drain hole 4 is connected to an oil utilization device, the external oil supply container is connected to the oil supply cavity 8 of the top cover 1202, when oil is required to be supplied to the oil utilization device, the piston rod 5 is moved upwards to the oil supply cavity 8, lubricating oil in the oil supply cavity 8 enters the piston cavity 2, and when the piston rod 5 drives the piston cavity 2 downwards to move, the lubricating oil in the compression piston cavity 2 is discharged to the oil utilization device through the oil drain hole 4 to flow, so that oil supply is completed.

According to the mining single-point lubrication oiling device, the external oil supply container can be an oil pot or an oil supply pipe, when the oil supply pipe is adopted, oil can be continuously supplied to the oil supply cavity 8, the risk of pollution of lubricating oil when the cylinder body is opened to expose oil supplement is reduced, when the oil pot is used for oil supplement through the oil pot, when the oil pot can be taken down, as the ribs of the piston cavity 2 are used as oil outlet containers, compared with the existing oiling device, the radial sizes of the piston cavity 2 and the piston 6 are relatively smaller, the leakage of the piston rod 5 and the piston cavity 2 is smaller, external dust is not easy to be polluted inside the piston cavity 2, in some working conditions, the oil pot can not be taken down, the oiling hole is directly arranged at the top of the oil pot to carry out oiling, and the problem of dust pollution caused by oil supplement is effectively reduced.

Moreover, the piston cavity 2 is used as a pressure oil container, the piston rod 5 can be lifted and moved outwards for a single time, the oil output of the single time is fixed, and compared with the mode of pressing oil for the piston 6 with a larger size in the existing cylinder body, the oil output can be controlled more easily.

The utility model adopts the piston rod 5 to move up and down to discharge oil, the single-time movable oil discharge amount of the piston rod 5 is small and easy to control, and the utility model is especially suitable for single-point equipment lubrication and more flexible to use.

Through set up oil feed chamber 8 at shell 12, set up oil drain hole 4 at first casing 1, as shown, first casing 1 needs to process inside piston chamber 2 structure, only sets up oil drain hole 4 at piston chamber 2 top, compares in the mode at piston chamber 2 top integral processing oil feed chamber 8, has simplified the processing degree of difficulty of first casing 1.

Preferably, the present utility model further provides that the top surface of the top cover 1202 extends downward to form the oil supply chamber 8.

As shown, the top surface of the top cover 1202 may be flat, and an oil can or an oil supply pipeline is easily arranged on the top of the top cover 1202.

For the arrangement of oil supply chamber 8, in an alternative embodiment, oil supply chamber 8 may also be made to protrude from the top of top cover 1202.

Preferably, the utility model further provides that the top of the first casing 1 is provided with an annular slot 13, and the side wall of the oil supply cavity 8 is inserted into the slot 13 in a matching way. As shown in the figure, through the arrangement of the slot 13, after the slot 13 is inserted into the cavity wall of the oil supply cavity 8, the positioning installation between the oil supply cavity 8 and the first shell 1 is realized, and the sealing insertion connection is also arranged between the slot 13 and the side wall of the oil supply cavity 8, so that the oil leakage at the oil supply cavity 8 is prevented. Alternatively, a sealing ring may be provided in the slot 13.

Preferably, the present utility model further provides that the side wall of the oil supply chamber 8 is clamped and fixed with the cylinder 1201 to the first casing 1. The side wall of the oil supply cavity 8 and the cylinder 1201 clamp and fix the first casing 1, and the mounting structure of the casing 12 is simplified by assembling the top cover 1202 and simultaneously completing the mounting and fixing of the first casing 1 in the casing 12.

Preferably, the side wall of the barrel 1201 is provided with a supporting portion 14 for supporting the first casing 1. As shown in the figure, the supporting portion 14 is a supporting step disposed inside the barrel 1201, and a supporting rib abutting against the supporting step is disposed at an edge of the first casing 1.

Preferably, the bottom of the housing 12 is provided with a bottom cover 17, the bottom cover 17 is provided with a fixing hole 18, the oil outlet assembly comprises an oil outlet pipe 7, one end of the oil outlet pipe 7 is communicated with the oil drain hole 4, the other end of the oil outlet pipe is provided with an oil outlet head 19, and the oil outlet head 19 is detachably mounted in the fixing hole 18.

As shown in the figure, the bottom cover 17 is provided to seal the inner side of the barrel 1201, so as to maintain the stable working environment of the first casing 1 inside the barrel 1201, and as shown in the figure, the first casing 1 is further provided with a motor 902 and a transmission gear 901 for driving the piston rod 5 to move up and down, the transmission gear 901 is in transmission connection with the gear motor 902, the lower end of the piston rod 5 extends out of the piston cavity 2 and then is engaged with the transmission gear 901, and the bottom of the piston rod 5 is provided with a slide block 22 sliding along the vertical direction with the first casing 1, so that the transmission gear 901 drives the piston rod 5 to move vertically when rotating, and then the lifting of the piston rod 5 is completed.

Preferably, the present utility model further provides that the vertical dimension of the oil supply chamber 8 is 1cm or more and 5cm or less. As shown, by setting the vertical dimension of the oil supply chamber 8 to be between 1cm and 5cm, the height of the housing 12 itself can be controlled within a certain range, and a certain volume of the oil supply chamber 8 can be maintained, so as to provide an oil scraping environment in which the piston 6 extends into the oil supply chamber 8.

Preferably, the present utility model further provides that the top cover 1202 is screwed and fixed to the cylinder 1201, and a dust seal 20 is clamped and fixed between the top cover 1202 and the cylinder 1201. As shown in the figure, the top cover 1202 is screwed on the outer side of the barrel 1201, and the top cover 1202 and the barrel 1201 are screwed and fixed by screw, so that the dust-proof sealing ring 20 is easy to assemble and disassemble, and external dust can be reduced from entering the inside of the housing 12 from the connection position of the top cover 1202 and the barrel 1201.

Preferably, the top surface of the top cover 1202 is provided with an oil-stopping sealing ring 21 outside the oil supply cavity 8. As shown in the figure, the top surface of the top cover 1202 is provided with a caulking groove for installing the oil-stopping sealing ring 21, and the oil-stopping sealing ring 21 is arranged to prevent dust at the oil-stopping sealing ring when the oil can or the oil supply pipe is installed as shown in the figure, so that the smoothness of oil supply of lubricating oil is further maintained.

Preferably, the present utility model is further arranged in that the oil drain hole 4 is provided with a check valve 11. As shown in the figure, by providing the check valve 11 and arranging the check valve 11 to flow in a unidirectional manner toward the oil drain hole 4, the lubricating oil in the piston chamber 2 can move in a unidirectional manner toward the oil drain hole 4, so as to prevent the piston 6 from sucking the lubricating oil in the oil drain hole 4 back when moving upward in the piston chamber 2.

In the embodiment shown in the drawings, further specifically speaking, the check valve 11 includes a valve seat 10 connected to the oil drain hole 4, and a check valve 11 body, the valve seat 10 has an inner cavity for mounting the check valve 11 body, the check valve 11 body includes a valve block 1101 capable of closing the oil drain hole 4, an elastic member 1102 driving the valve block 1101 to move toward the oil drain hole 4, and a valve housing 1103 engaged with a sidewall of the inner cavity, the elastic member 1102 is mounted in the valve housing 1103, and the valve housing 1103 is in communication with the oil delivery pipeline.

As shown in the figure, when the pressure in the piston cavity 2 increases to push the valve block 1101, the valve block 1101 overcomes the elasticity of the elastic member 1102 to open the oil drain hole 4, and the lubricating oil enters the valve housing 1103 through the oil drain hole 4 and then enters the oil delivery pipeline, when the pressure in the piston cavity 2 decreases to a level insufficient to drive the valve block 1101 to overcome the elastic force of the elastic member 1102, the valve block 1101 resets to close the oil drain hole 4, so that single oil drain lubrication is completed.

For the arrangement of the non-return valve 11, the person skilled in the art can also use other forms of existing non-return valve 11 when implementing this.

For the up-and-down movement of the piston rod 5, in the illustrated embodiment, more specifically, a driving part 9 is provided, in the illustrated embodiment, further specifically, as shown in the drawing, the driving part 9 comprises a gear motor 902 and a transmission gear 901, the transmission gear 901 is in transmission connection with the gear motor 902, a second casing 16 for mounting the motor 902 and the transmission gear 901 is arranged at the bottom of the first casing 1, the lower end of the piston rod 5 extends out of the piston cavity 2, is engaged with the transmission gear 901 and extends to the inner side of the second casing 16, and a sliding block 22 sliding along the vertical direction with the second casing 16 is arranged at the bottom of the piston rod 5, so that the piston rod 5 is driven to move vertically when the transmission gear 901 rotates, and then the lifting of the piston rod 5 is completed.

In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments. In particular, for system embodiments, since they are substantially similar to method embodiments, the description is relatively simple, as relevant to see a section of the description of method embodiments.

The foregoing is merely exemplary of the present utility model and is not intended to limit the present utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are to be included in the scope of the claims of the present utility model.

Claims (10)

1. A mining single-point lubrication oiling device, comprising:

the first shell is provided with a piston cavity, the top of the piston cavity is provided with an oil supply hole, and the piston cavity is provided with an oil drain hole;

the shell comprises a barrel part surrounding the outer side of the first shell and a top cover covering the top of the barrel part, the top cover is provided with an oil supply cavity communicated with the oil supply hole, and the top of the oil supply cavity is open;

the oil outlet assembly comprises a piston rod which is arranged in the piston cavity in a lifting manner, a piston matched with the piston cavity is arranged at the top of the piston rod, the piston rod comprises a connecting rod section connected with the piston, a gap is reserved between the connecting rod section and the cavity wall of the piston cavity, the piston rod can extend out of the oil supply hole, oil in the oil supply cavity can flow into the piston cavity, and the piston can press oil in the piston cavity out of the oil drain hole when the piston cavity moves downwards.

2. The mining single point lubrication oil injection device of claim 1, wherein a top surface of the top cover extends downward to form the oil supply cavity.

3. The mining single-point lubrication oiling device according to claim 2, wherein an annular slot is formed in the top of the first casing, and the side wall of the oil supply cavity is inserted into the slot in a matched mode.

4. The mining single-point lubrication oiling device according to claim 3, wherein the side wall of the oil supply cavity and the cylinder part clamp and fix the first casing.

5. The mining single point lubrication oiling device according to claim 4, wherein a bearing portion for bearing the first housing is provided on a side wall of the barrel portion.

6. The mining single-point lubrication oiling device according to claim 4, wherein a bottom cover is arranged at the bottom of the shell, a fixing hole is formed in the bottom cover, the oil outlet assembly comprises an oil outlet pipe, one end of the oil outlet pipe is communicated with the oil outlet hole, an oil outlet head is arranged at the other end of the oil outlet pipe, and the oil outlet head is detachably arranged in the fixing hole.

7. The mining single-point lubrication oiling device according to claim 2, wherein the vertical dimension of the oil supply cavity is greater than or equal to 1cm and less than or equal to 5cm.

8. The mining single-point lubrication oiling device according to claim 1, wherein the top cover and the barrel part are screwed and fixed through threads, and a dustproof sealing ring is clamped and fixed between the top cover and the barrel part.

9. The mining single-point lubrication oiling device according to claim 1, wherein the top surface of the top cover is provided with an oil stopping sealing ring at the outer side of the oil supply cavity.

10. The mining single-point lubrication oil injection device according to claim 9, wherein the oil drain hole is provided with a one-way valve.