CN112460455B

CN112460455B - Mining hydraulic lubricating pump

Info

Publication number: CN112460455B
Application number: CN202011334020.4A
Authority: CN
Inventors: 周浙潭; 罗园梁; 胡波
Original assignee: Zhejiang Weidun Machinery Technology Co ltd
Current assignee: Zhejiang Weidun Machinery Technology Co ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2022-03-29
Anticipated expiration: 2040-11-24
Also published as: CN112460455A

Abstract

The utility model relates to a mining hydraulic pressure lubricant pump, include the pump body, set up the pump unit installation piece in the pump body, pump unit installation piece forms the oil storage chamber with the pump body, be provided with a plurality of pumping units, the lubricating oil feed passageway of connecting pumping unit and oil storage chamber that are used for sending out the pump body with the lubricating oil pump in the oil storage chamber in the pump unit installation piece and be connected a plurality ofly pumping unit's drive oil passageway, be provided with an oil supply joint on the pump body, the oil supply joint is linked together with the drive oil passageway and is used for providing the drive oil for a plurality of pumping units. The application realizes the oil supply of one oil supply pipeline to a plurality of lubricating oil use targets.

Description

Mining hydraulic lubricating pump

Technical Field

The application relates to the field of liquid conveying technology, in particular to a mining hydraulic lubricating pump.

Background

A lubrication pump is a lubrication device for supplying lubricant to a lubrication site. Mechanical equipment needs regular lubrication, the main mode of the prior lubrication is that manual lubrication is carried out after a certain maintenance period is reached according to the working condition of the equipment, for example, butter is injected in a popular way, and the maintenance work can be simpler and more convenient through a lubrication pump. The hydraulic lubricating pump for mining is used for supplying lubricating oil to the machinery in the mining industry.

The applicant believes that: mechanical equipment in the mining engineering is more, the number of required hydraulic lubricating pumps is correspondingly increased, a large number of mining hydraulic lubricating pumps need a large number of oil passages for supplying oil so as to provide oil pumping pressure for the lubricating pumps, and a mining area can only provide a small number of oil passages or even one oil passage to ensure the normal operation of the mining hydraulic lubricating pumps.

Disclosure of Invention

In order to pump liquid of many circuits under the oil feed condition of only a pressure oil circuit, this application provides a mining hydraulic lubrication pump.

The application provides a mining hydraulic lubrication pump adopts following technical scheme:

the utility model provides a mining hydraulic lubricating pump, includes the pump body, sets up the pump unit installation piece in the pump body, pump unit installation piece forms the oil storage chamber with the pump body, be provided with a plurality of pumping units, the lubricating oil feed passageway of connecting pumping unit and oil storage chamber that are used for sending out the pump body with the lubricating oil pump in the oil storage chamber in the pump unit installation piece and be connected a plurality ofly the drive oil passageway of pumping unit, be provided with an oil supply joint on the pump body, the oil supply joint is linked together with the drive oil passageway and is used for providing the drive oil for a plurality of pumping units.

By adopting the technical scheme, the oil supply pipeline is supplied with oil through the pipeline, the plurality of pumping units are respectively connected with the plurality of pumping units through the driving oil channel, the plurality of pumping units respectively pump the lubricating oil and respectively output the lubricating oil to different junctions, and the oil supply of the oil supply pipeline to a plurality of lubricating oil use targets is realized.

Preferably, the pumping unit comprises a pumping pipeline arranged in the pump unit mounting block, and an oil suction assembly and an oil delivery assembly arranged in the pumping pipeline, wherein one end of the pumping pipeline is provided with a lubricating oil outlet, the other end of the pumping pipeline is connected with the driving oil channel so as to provide driving oil for the oil suction assembly and the oil delivery assembly, the pumping pipeline is provided with an oil suction port for sucking lubricating oil, the oil delivery assembly is used for pumping the lubricating oil sucked in the pumping pipeline out of the lubricating oil outlet under the action of the driving oil, and the oil suction assembly is used for sucking the lubricating oil from the oil suction port after the oil delivery assembly pumps the lubricating oil.

By adopting the technical scheme, when the oil suction assembly is used, lubricating oil in the oil storage cavity of the lubricating pump is sucked into the pumping pipeline through the oil suction port by the oil suction assembly, then the driving oil is introduced into the driving oil channel, and the lubricating oil in the pumping pipeline is pumped out from the lubricating oil outlet by the driving oil feeding assembly.

Preferably, the oil absorption assembly comprises a return spring, a one-way valve and an oil absorption piston, the oil absorption piston is arranged in the pumping pipeline in a sliding mode, the one-way valve is arranged in the pumping pipeline and located between the oil absorption piston and a lubricating oil outlet, an oil suction port is formed in the side wall of the pumping pipeline and communicated with a lubricating oil supplementing channel, the return spring is arranged in the pumping pipeline, one end of the return spring is abutted to the oil absorption piston, the other end of the return spring is abutted to the pumping pipeline to drive the oil absorption piston to be far away from the one-way valve, the oil conveying assembly is arranged at one end, far away from the lubricating oil outlet, of the pumping pipeline and used for pushing the oil absorption piston to move towards the direction of the one-way valve, and the conduction direction of the one-way valve is the direction from the oil absorption piston to the one-way valve.

By adopting the technical scheme, when oil is absorbed, the oil absorption piston is jacked open through the return spring, so that negative pressure is generated in the pumping pipeline, lubricating oil enters the pumping pipeline from the oil absorption port, and the oil storage joint is blocked by the one-way valve; when oil is discharged, driving oil is input into the driving oil channel to drive the oil delivery component to work, the oil delivery component pushes the oil suction piston to move towards the one-way valve in a butting mode, lubricating oil between the oil suction port and the one-way valve is compressed after the oil suction port passes through the height of the oil suction port, pressure is generated on the one-way valve, the one-way valve is conducted, and the lubricating oil between the oil suction port and the one-way valve is further led out from the lubricating oil outlet.

Preferably, the oil feeding assembly comprises an oil cylinder and a driving piston, the oil cylinder is arranged at one end of the pumping pipeline, which is opposite to the one-way valve, the driving piston is arranged in the oil cylinder in a sliding manner and extends into the pumping pipeline to abut against the oil suction piston to drive the oil suction piston to move towards the one-way valve, and an oil inlet of the oil cylinder is communicated with the driving oil channel.

Through adopting above-mentioned technical scheme, when producing oil, the drive oil that the drive oil passageway got into promotes the drive piston and removes in the hydro-cylinder to thereby contradict the oil absorption piston and remove and release lubricating oil from lubricating oil exit.

Preferably, the one end of pump sending pipeline is provided with the piston cover, and the lubricating oil export sets up in the one end of piston cover back to pump sending pipeline, set up the intercommunication mouth with the inside intercommunication of pump sending pipeline on the piston cover, the check valve set up in just be located the intercommunication mouth below on the piston cover, reset spring one end is contradicted on the oil absorption piston, and the other end cup joints on the piston cover and inconsistent with the piston cover.

By adopting the technical scheme, the lubricating oil entering the oil suction opening enters the pumping pipeline, when the oil suction piston is pushed open by the return spring, negative pressure is generated inside the piston sleeve, and the lubricating oil enters the piston sleeve from the pumping pipeline through the communication opening and is positioned between the one-way valve and the oil suction piston; lubricating oil carries out self-lubrication to the part in the pump sending pipeline after entering pump sending pipeline, reduces the frictional force when oil absorption piston removes.

Preferably, the pump sending pipeline sets up in the pump body through pump unit installation piece, pump unit installation piece includes pump unit valve piece, hydro-cylinder valve piece and hydro-cylinder valve gap, pump unit valve piece sets up on the pump body, hydro-cylinder valve piece sets up on pump unit valve piece, the hydro-cylinder valve gap sets up in one side of hydro-cylinder valve piece back to pump unit valve piece, the hydro-cylinder sets up on hydro-cylinder valve piece, the pump sending pipeline sets up in pump unit valve piece, and runs through pump unit valve piece to hydro-cylinder valve piece direction.

By adopting the technical scheme, the pump unit mounting blocks are arranged in a split manner, so that the whole pump unit mounting blocks and the internal components can be conveniently mounted and dismounted, and the manufacturing and production processes are also facilitated.

Preferably, a guide rod is arranged on the inner wall of the oil storage cavity, which faces away from the pump unit mounting block, and a pressure oil plate is arranged on the guide rod in a sliding manner.

By adopting the technical scheme, the oil pressing plate is attached to the liquid surface in the oil storage cavity and moves up and down along with the change of the lubricating oil surface in the oil storage cavity; the guide rod plays a guiding role in the up-and-down movement of the oil pressing plate and prevents the oil pressing plate from inclining.

Preferably, the pump body is provided with an oil level indicating device.

Through adopting above-mentioned technical scheme, utilize oil level indicating device to show the oil level of the lubricating oil of oil storage intracavity, especially show low oil level and high oil level, make things convenient for the workman in time to supply lubricating oil when low oil level, in time stop the joining of lubricating oil when the high oil level.

Preferably, the oil level indicating device comprises an indicating base, an indicating rod and a connecting rope, the indicating rod is vertically and hermetically connected in the indicating base in a sliding mode, the top end of the indicating rod is connected with the oil pressing plate through the connecting rope, and a low-position indicating block and a high-position indicating block which are sequentially distributed from high to low along the axial direction of the indicating rod are arranged on the part, extending out of the indicating base, of the bottom end of the indicating rod.

Through adopting above-mentioned technical scheme, connect the instruction pole and press the oil board through connecting the rope, hang the instruction pole on pressing the oil board, press the oil board along with the height change of lubricating oil liquid level and when removing, the instruction pole also removes along with pressing the oil board for high order instructs piece and low order and instructs the piece and can be located the position that stretches out the instruction seat when corresponding oil level, thereby makes the workman can in time know the oil level condition of oil storage intracavity.

Preferably, be provided with the bulge loop on the instruction pole, the cover is equipped with the conflict spring on the instruction pole, be provided with the support ring in the instruction base, the support ring is located the below of bulge loop, the conflict spring sets up between support ring and bulge loop.

Through adopting above-mentioned technical scheme, in the oil level by high oil level to low oil level transition in-process, press the oil board to move down all the time, support the indication rod through the conflict spring for this in-process indication rod stops moving down, when pressing the oil board to conflict indication rod, through pressing the effort of oil board to the indication rod, continue to compress the conflict spring, thereby make the low level instruct the piece to stretch out from the instruction seat below, thereby the suggestion low oil level.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the oil supply pipeline is supplied with oil through one pipeline, the plurality of pumping units are respectively connected with the plurality of pumping units through the driving oil channels, the plurality of pumping units respectively pump lubricating oil and respectively output the lubricating oil to different connecting positions, and the purpose that one oil supply pipeline supplies oil to a plurality of lubricating oil using targets is achieved;

2. when oil is discharged, the driving oil entering the driving oil channel pushes the driving piston to move in the oil cylinder so as to abut against the oil absorption piston to move and push the lubricating oil out of the lubricating oil outlet, and the return spring pushes the oil absorption piston to return so as to make the lubricating oil supplement and enter the piston sleeve;

3. the oil level in the oil storage cavity is indicated through the oil level indicating device, the oil level indicating device does not need magnetism, electricity and the like, oil level display is carried out through mechanical connection, and the oil level indicating device can be used in flammable and explosive environments relatively safely.

Drawings

Fig. 1 is a schematic structural diagram of a mining hydraulic lubrication pump according to the present application.

Fig. 2 is a cross-sectional view of a mining hydraulic lubrication pump of the present application.

Fig. 3 is a cross-sectional view of a mining hydraulic lubrication pump of the present application to show the internal structure of the pump mounting unit.

Fig. 4 is a partial cross-sectional view of a mining hydraulic lubrication pump of the present application.

Fig. 5 is a cross-sectional view of a piston sleeve of a mining hydraulic lubrication pump of the present application.

Fig. 6 is a schematic structural view of the oil level indicating device of the present application.

Fig. 7 is an exploded view of the oil level indicating device of the present application.

Fig. 8 is a sectional view of the oil level indicating device of the present application.

Fig. 9 is an enlarged view at a in fig. 8.

Description of reference numerals: 11. a pump body; 12. a base plate; 13. an oil storage chamber; 131. pressing a oil plate; 132. a guide bar; 14. a lubricating oil make-up joint; 15. an oil supply joint; 16. an oil supply conduit; 17. a quick coupling; 18. a side plate; 19. an observation window; 2. a pumping conduit; 21. a first pumping conduit; 22. a second pumping conduit; 222. An oil suction port; 3. an oil absorption assembly; 31. a return spring; 32. a one-way valve; 321. the spring is tightly propped; 322. a valve seat; 3221. a valve stem bore; 323. a one-way plug; 3231. a drive conical surface; 324. adjusting a screw plug; 3241. trepanning; 3242. an oil outlet hole; 325. a valve stem; 326. a seal ring; 33. an oil suction piston; 331. a rod portion; 332. abutting against the contact; 333. a spring seat; 4. an oil delivery assembly; 41. an oil cylinder; 411. a drive chute; 412. an oil inlet; 42. a drive piston; 5. a pump unit mounting block; 51. a pump unit valve block; 511. an oil inlet channel; 512. a lubricant oil passage; 513. a lubricating oil replenishment passage; 52. a cylinder valve block; 521. an oil cylinder mounting hole; 53. a valve cover of the oil cylinder; 54. a drive oil passage; 541. a first oil supply passage; 542. a second oil supply passage; 543. a third oil supply passage; 6. a piston sleeve; 61. an oil inlet sleeve and an oil outlet sleeve; 62. an oil suction sleeve; 621. an oil suction hole; 63. installing a sleeve; 2631. a second thread; 64. a step; 65. a contact conical surface; 66. a lubricant outlet; 7. an indication base; 71. a fixed seat; 72. an observation seat; 73. a sliding hole; 74. an installation part; 741. installing a screw rod; 742. a nut portion; 732. a limiting ring; 733. a support ring; 721. connecting columns; 722. a communicating hole; 724. fastening a gasket; 725. an indication slide hole; 726. an observation hole; 8. an indication lever; 81. a limit bolt; 82. a threaded plug; 83. a convex ring; 84. against the spring; 85. a one-way sealing ring; 86. a gasket; 87. a high indication block; 88. a low order indication block; 9. and connecting ropes.

Detailed Description

The present application is described in further detail below with reference to figures 1-9.

The embodiment of the application discloses a mining hydraulic lubricating pump. Referring to fig. 1 and 2, a mining hydraulic lubricating pump comprises a pump body 11 and a pump unit installation block 5, wherein a horizontal bottom plate 12 is arranged on the pump body 11, an installation opening is formed in the bottom plate 12, the pump unit installation block 5 is installed in the installation opening, and an oil storage cavity 13 for storing lubricating oil is formed by the bottom plate 12, the pump unit installation block 5 and the pump body 11.

As shown in fig. 2 and 3, a plurality of pumping units for pumping the lubricant oil in the oil cavity out of the pump body 11 are arranged in the pump unit mounting block 5, and each pumping unit comprises a pumping pipeline 2, and an oil suction assembly 3 and an oil delivery assembly 4 which are arranged on the pumping pipeline 2.

As shown in fig. 3 and 4, the oil suction assembly 3 includes a return spring 31, a check valve 32, and an oil suction piston 33.

The oil delivery assembly 4 includes a cylinder 41 and a drive piston 42.

The pumping pipe 2 is installed inside the pump body 11 through a pump unit installation block 5, the pump unit installation block 5 includes a pump unit valve block 51, a cylinder valve block 52, and a cylinder valve cover 53, the pump unit valve block 51 is installed on the bottom plate 12 of the oil storage cavity 13 of the pump body 11, a part of the pump unit valve block 51 is located in the oil storage cavity 13 above the bottom plate 12, and the other part penetrates through the bottom plate 12 and is located below the bottom plate 12. The oil cylinder valve block 52 is installed on the pump unit valve block 51, the oil cylinder valve cover 53 is installed on the oil cylinder valve block 52, an oil cylinder installation hole 521 is formed in the upper surface of the oil cylinder valve block 52, the oil cylinder 41 is installed in the oil cylinder installation hole 521, a vertically downward driving sliding chute 411 is formed in the oil cylinder 41, the driving sliding chute 411 penetrates through the top of the oil cylinder 41 to form an oil inlet 412, the driving piston 42 is connected in the driving sliding chute 411 in a sliding mode, a first oil supply channel 541 communicated with the top end of the driving sliding chute 411 to push the driving piston 42 to move downwards is formed in the oil cylinder valve block 53, a second oil supply channel 542 connected with the first oil supply channel 541 is formed in the oil cylinder valve block 52, a third oil supply channel 543 connected with the second oil supply channel 542 is formed in the pump unit valve block 51, and the first oil supply channel 541, the second oil supply channel 542 and the third oil supply channel 543 form a driving oil channel 54. The pump body 11 is provided with an oil supply joint 15, and the drive oil passage 54 is connected to the oil supply joint 15.

As shown in fig. 4 and 5, the pumping pipeline 2 includes a first pumping pipeline 21 and a second pumping pipeline 22, the first pumping pipeline 21 is opened on the cylinder valve block 52 and is vertically upward communicated with the driving chute 411, the bottom end of the driving piston 42 extends into the first pumping pipeline 21, an oil inlet channel 511 for communicating the oil storage cavity 13 with the first pumping pipeline 21 is opened on the pump unit valve block 51, the second pumping pipeline 22 is opened on the pump unit valve block 51 and penetrates through the upper and lower surfaces of the pump unit valve block 51, the second pumping pipeline 22 is coaxial with the first pumping pipeline 21, and the bottom end of the second pumping pipeline 22 is provided with the piston sleeve 6.

The piston sleeve 6 comprises an oil inlet and outlet sleeve 61, an oil suction sleeve 62 and a mounting sleeve 63 which are integrally arranged and are arranged along the direction from high to low, a first thread is arranged at the bottom end of the second pumping pipeline 22, a second thread 2631 matched with the first thread is arranged on the outer wall of the mounting sleeve 63, the mounting sleeve 63 is mounted at the bottom end of the second pumping pipeline 22 through the matching of the first thread and the second thread 2631, the outer diameter of the oil inlet and outlet sleeve 61 is smaller than that of the oil suction sleeve 62 to form a step 64, the outer diameter of the oil suction sleeve 62 is smaller than that of the second pumping pipeline 22, the oil inlet and outlet sleeve 61 and the oil suction sleeve 62 both extend into the second pumping pipeline 22, an oil suction hole 621 penetrating through the side wall of the oil suction sleeve 62 and communicated with the second pumping pipeline 22 is formed on the inner wall of the oil suction sleeve 62, an oil suction port 222 is formed on the inner wall of the second pumping pipeline 22, and the height position of the oil suction port 222 is located at the height position of the oil suction sleeve 62, the pump unit valve block 51 is provided therein with a lubricating oil passage 512 and a lubricating oil replenishing passage 513, the lubricating oil passage 512 is used for communicating the oil suction port 222 with the oil storage chamber 13 of the pump body 11, and the lubricating oil replenishing passage 513 is used for communicating the lubricating oil passage 512 with the lubricating oil replenishing joint 14 on the pump body 11.

The inner diameter of the oil inlet and outlet sleeve 61 is equal to that of the oil suction sleeve 62, the inner diameter of the mounting sleeve 63 is larger than that of the oil suction sleeve 62, a contact conical surface 65 is arranged at the joint of the inner wall of the mounting sleeve 63 and the inner wall of the oil suction sleeve 62, and a lubricating oil outlet 66 is arranged at the bottom end of the mounting sleeve 63.

Oil absorption piston 33 includes pole portion 331 and conflict head 332, and pole portion 331 is vertical to be set up and the bottom slides in business turn over oil sleeve 61 and oil absorption sleeve 62, and during the top of pole portion 331 upwards stretched into second pump line 22, conflict head 332 an organic whole set up in the top of pole portion 331, and pole portion 331 is equipped with spring holder 333 near the position cover of conflicting contact 332, and reset spring 31 overlaps on locating pole portion 331, and reset spring 31's top is contradicted with spring holder 333, and the bottom is contradicted with step 64.

The check valve 32 comprises a propping spring 321, a valve seat 322, a check plug 323 and an adjusting screw plug 324, the adjusting screw plug 324 is connected in the installation sleeve 63 in a threaded manner, the top end of the adjusting screw plug 324 is provided with a sleeve hole 3241 coaxial with the installation sleeve 63, the bottom end of the adjusting screw plug 324 is provided with an oil outlet hole 3242 coaxial with the sleeve hole 3241 and used for allowing lubricating oil to flow out when the check valve 32 is conducted, the bottom end of the propping spring 321 props against the bottom surface of the sleeve hole 3241, the valve seat 322 is sleeved on the top end of the propping spring 321, the valve seat 322 is provided with a valve rod hole 3221 penetrating through the upper end and the lower end of the valve seat 322 and coaxial with the installation sleeve 63, a vertical valve rod 325 slides in the valve rod hole 3221, the check plug 323 is integrally arranged at the top end of the valve rod 325 and extends upwards into the oil inlet and outlet sleeve 61, the outer wall of the check plug 323 is provided with a driving conical surface 3231 matched with the propping against 65, the inclination degree of the driving conical surface 3231 is greater than that of the propping against conical surface 65, the valve stem 325 is sleeved with a sealing ring 326, and the sealing ring 326 is located between the one-way plug 323 and the top surface of the valve seat 322 and is used for separating the oil inlet/outlet sleeve 61 and the installation sleeve 63 when the abutting spring 84 abuts the driving conical surface 3231 against the abutting conical surface 65.

As shown in fig. 2 and 6, a pump body 11 is provided with an oil level prompting device, and the oil level prompting device includes an indicating base 7, an indicating rod 8 and a connecting rope 9.

Referring to fig. 6 and 7, the indicating rod 8 is slidably disposed in the indicating base 7 and has a top end connected to a pressure oil plate 131 in the oil reservoir 13 of the pump body 11 via a connecting cord 9.

As shown in fig. 7 and 8, the indication base 7 is separately disposed and includes a fixing base 71 and an observation base 72, the fixing base 71 is a cylinder, a sliding hole 73 coaxially penetrating through two ends of the cylinder is formed in the cylinder, a mounting portion 74 is integrally disposed at the bottom of the fixing base 71, a mounting thread and a nut portion 742 are disposed on an outer wall of the mounting portion 74, the mounting thread is used for being in threaded connection with the pump body 11, and the nut portion 742 is used for facilitating screwing the mounting portion 74. The slide hole 73 penetrates the mounting portion 74 downward, and the slide hole 73 is provided with a female screw at a position of the nut portion 742.

A limiting ring 732 and a supporting ring 733 are convexly arranged on the inner wall of the sliding hole 73 of the fixing seat 71, the limiting ring 732 is located at one end of the fixing seat 71 far away from the mounting portion 74, and the supporting ring 733 is located at one end of the fixing seat 71 close to the mounting portion 74.

Observe seat 72 towards one end an organic whole of fixing base 71 be provided with the coaxial spliced pole 721 of observing seat 72, offer on the spliced pole 721 and supply the indicator beam 8 to pass through the intercommunicating pore 722, be equipped with the external screw thread on the spliced pole 721 lateral wall, carry out screw-thread fit through external screw thread and internal thread to on installing the installation department 74 will observe seat 72, the cover is equipped with fastening gasket 724 on the spliced pole 721, fastening gasket 724 is located between installation department 74 bottom and the observation seat 72 top.

One end of the observation seat 72 facing the fixed seat 71 is provided with an indication sliding hole 725, the inner wall of the indication sliding hole 725 is provided with three observation holes 726 penetrating through the outer side wall of the observation seat 72, and the observation holes 726 are circumferentially distributed along the indication sliding hole 725.

As shown in fig. 8 and 9, the top end of the indication rod 8 is connected with the connecting rope 9, the top end of the indication rod 8 is connected with the limit bolt 81 by screw thread, the indication rod 8 is located in the sliding hole 73, and the bottom end passes through the support ring 733 and extends into the indication sliding hole 725. The threaded plug 82 is connected to the indicating rod 8 through threads, the threaded plug 82 is located between the limiting ring 732 and the supporting ring 733, the indicating rod 8 is sleeved with the abutting spring 84, the abutting spring 84 is located between the convex ring 83 and the supporting ring 733, the indicating rod 8 is sleeved with the one-way sealing ring 85, and the one-way sealing ring 85 is the Y-shaped sealing ring 326. The indicating rod 8 is sleeved with a gasket 86, the gasket 86 is a tetrafluoro gasket 86, the gasket 86 is located between the one-way sealing ring 85 and the connecting column 721, and the connecting column 721 is tightly abutted against the support ring 733.

The indicating rod 8 is integrally provided with a high indicating block 87 and a low indicating block 88, the high indicating block 87 is positioned below the low indicating block 88, and the high indicating block 87 and the low indicating block 88 are arranged at intervals. The space is used to indicate that the oil level of the oil storage chamber 13 is between the high oil level and the low oil level.

The pump body 11 is provided with an observation port at a position corresponding to the observation hole 726, and the observation port is provided with an observation window 19.

When the oil level is high, the connecting rope 9 is in a tightened state, and the high-position indicating block 87 is positioned at the observation hole 726; when the connecting rope 9 is in a slack state, the position between the high indicating block 87 and the low indicating block 88 is located at the viewing hole 726; as the oil pressing plate 131 continues to move down to the low oil level, the low indicator block 88 moves to the sight hole 726.

The high indicator block 87 may be shaped to distinguish it from the low indicator block 88 so that the worker can stop the refueling at a high level or stop the refueling at a low level in time.

The implementation principle of the mining hydraulic lubricating pump in the embodiment of the application is as follows:

lubricating oil is stored in the oil storage cavity 13, when the oil storage cavity is used, the driving oil is sent into the oil inlet 412 through the driving oil channel 54, the pressure of the driving oil pushes the driving piston 42 to move towards the second pumping pipeline 22, then the oil absorption piston 33 is pushed to move towards the one-way valve 32 in a butting mode, when the oil absorption piston 33 passes through the communication port, the lubricating oil between the oil absorption piston 33 and the one-way valve 32 is extruded towards the one-way valve 33, the one-way plug 323 and the valve rod 325 are pushed to move, the one-way valve 32 is conducted, the lubricating oil is extruded from the oil outlet 3242 along the gap between the one-way valve 32 and the piston sleeve 6, and the process of pumping the lubricating oil is completed.

After the pumping of the lubricating oil is completed, the oil pressure of the driving oil stops being provided, the oil suction piston 33 moves to the initial position under the action of the return spring 31, and during the movement, negative pressure is formed between the oil suction piston 33 and the check valve 32, so that the lubricating oil is sucked along the oil storage cavity 13, the lubricating oil channel 54 and the communication hole, and the oil feeding process of the next pumping is completed. The drive oil passage 54 then continues to be fed, so as to reciprocate, and suction and pumping of the lubricating oil are performed.

Wherein, the oil level suggestion device principle does: the oil pressing plate 131 rises and falls in accordance with the level of the oil level in the oil reservoir chamber 13 in the pump body 11. When the oil storage cavity 13 is filled with oil, the oil level in the oil storage cavity 13 gradually rises to drive the oil pressing plate 131 to rise, the connecting rope 9 is gradually tensioned when the oil pressing plate 131 rises, and the indicating rod 8 is driven to move upwards after the connecting rope 9 is tensioned; when the pressure pad 131 is at a high level, the high indicator block 87 moves up and into the sight hole 726. The lubricating oil in the oil storage cavity 13 gradually reduces along with the use of the lubricating oil, the oil level is gradually reduced, the oil pressing plate 131 moves downwards, the connecting rope 9 is loosened, and the indicating rod 2 moves downwards after losing the acting force of the connecting rope 9 and is supported by the abutting spring 84 through compressing the abutting spring 84. When the pressure plate 131 descends to a low oil level, the pressure plate 131 abuts against the indicating rod 8, so that the abutting spring 84 continues to contract, the indicating rod 8 moves downwards, and the low indicating block 88 moves to the observation hole 726.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The mining hydraulic lubricating pump is characterized in that: the lubricating oil pump comprises a pump body (11) and a pump unit mounting block (5) arranged in the pump body (11), wherein the pump unit mounting block (5) and the pump body (11) form an oil storage cavity (13), a plurality of pumping units for pumping lubricating oil in the oil storage cavity (13) out of the pump body (11), a lubricating oil inlet channel (511) for connecting the pumping units with the oil storage cavity (13) and a driving oil channel (54) for connecting the pumping units are arranged in the pump unit mounting block (5), an oil supply joint (15) is arranged on the pump body (11), and the oil supply joint (15) is connected with the driving oil channel (54) and is commonly used for providing driving oil for the pumping units; a guide rod (132) is arranged on the inner wall of the oil storage cavity (13) back to the pump unit mounting block (5), and a pressure oil plate (131) is arranged on the guide rod (132) in a sliding manner; an oil level indicating device is arranged on the pump body (11); the oil level indicating device comprises an indicating base (7), an indicating rod (8) and a connecting rope (9), wherein the indicating rod (8) is vertically and hermetically connected in the indicating base (7) in a sliding manner, the top end of the indicating rod (8) is connected with a pressure oil plate (131) through the connecting rope (9), the bottom end of the indicating rod (8) extends out of the indicating base (7), and the extending part of the bottom end of the indicating rod (8) is provided with a low-position indicating block (88) and a high-position indicating block (87) which are sequentially distributed from high to low along the axial direction of the indicating rod (8); be provided with bulge loop (83) on instruction pole (8), the cover is equipped with conflict spring (84) on instruction pole (8), be provided with support ring (733) in instructing base (7), support ring (733) are located the below of bulge loop (83), conflict spring (84) set up between support ring (733) and bulge loop (83).

2. The mining hydraulic lubrication pump according to claim 1, wherein: the pumping unit comprises a pumping pipeline (2) arranged in a pumping unit mounting block (5), an oil suction assembly (3) and an oil delivery assembly (4), wherein the oil suction assembly (3) and the oil delivery assembly (4) are arranged in the pumping pipeline (2), one end of the pumping pipeline (2) is provided with a lubricating oil outlet (66), the other end of the pumping pipeline is connected with a driving oil channel (54) so as to provide driving oil for the oil suction assembly (3) and the oil delivery assembly (4), the pumping pipeline (2) is provided with an oil suction opening (222) for sucking lubricating oil, the oil delivery assembly (4) is used for pumping the lubricating oil sucked in the pumping pipeline (2) out of the lubricating oil outlet (66) under the action of the driving oil, and the oil suction assembly (3) is used for sucking the lubricating oil from the oil suction opening (222) after the lubricating oil is pumped out by the oil delivery assembly (4).

3. The mining hydraulic lubrication pump according to claim 2, wherein: the oil absorption assembly (3) comprises a return spring (31), a one-way valve (32) and an oil absorption piston (33), the oil absorption piston (33) is arranged in the pumping pipeline (2) in a sliding manner, the one-way valve (32) is arranged in the pumping pipeline (2) and is positioned between the oil absorption piston (33) and a lubricating oil outlet (66), an oil suction port (222) is formed in the side wall of the pumping pipeline (2), the oil suction port (222) is communicated with a lubricating oil supplementing channel (513), the return spring (31) is arranged in the pumping pipeline (2), one end of the return spring (31) is abutted to the oil absorption piston (33), the other end of the return spring is abutted to the pumping pipeline (2) so as to drive the oil absorption piston (33) to be far away from the one-way valve (32), the oil delivery assembly (4) is arranged at one end, far away from the lubricating oil outlet (66), of the pumping pipeline (2) and is used for pushing the oil absorption piston (33) to move towards the direction of the one-way valve (32), the conducting direction of the one-way valve (32) is along the direction from the oil suction piston (33) to the one-way valve (32).

4. The mining hydraulic lubrication pump according to claim 3, wherein: send oily subassembly (4) including hydro-cylinder (41) and drive piston (42), hydro-cylinder (41) set up the one end of pump sending pipeline (2) back to check valve (32), drive piston (42) slide set up in hydro-cylinder (41) and stretch into pump sending pipeline (2) and remove to check valve (32) with contradicting drive oil absorption piston (33), oil inlet (412) and drive oil passageway (54) of hydro-cylinder (41) are linked together.

5. The mining hydraulic lubrication pump according to claim 3, wherein: one end of pumping pipeline (2) is provided with piston cover (6), and lubricating oil export (66) set up in the one end of piston cover (6) back to pumping pipeline (2), set up the intercommunication mouth with the inside intercommunication of pumping pipeline (2) on piston cover (6), check valve (32) set up in on piston cover (6) and be located the intercommunication mouth below, reset spring (31) one end is contradicted on oil absorption piston (33), and the other end cup joints on piston cover (6) and inconsistent with piston cover (6).

6. The mining hydraulic lubrication pump according to claim 4, wherein: pumping pipeline (2) set up in pump body (11) through pump unit installation piece (5), pump unit installation piece (5) are including pump unit valve piece (51), hydro-cylinder valve piece (52) and hydro-cylinder valve cover (53), pump unit valve piece (51) set up on pump body (11), hydro-cylinder valve piece (52) set up on pump unit valve piece (51), hydro-cylinder valve cover (53) set up in one side of hydro-cylinder valve piece (52) back to pump unit valve piece (51), hydro-cylinder (41) set up on hydro-cylinder valve piece (52), pumping pipeline (2) set up in pump unit valve piece (51), and run through pump unit valve piece (51) to hydro-cylinder valve piece (52) direction.