CN219867363U - Piston rod mounting mechanism of mining lubrication oil outlet machine - Google Patents

Piston rod mounting mechanism of mining lubrication oil outlet machine Download PDF

Info

Publication number
CN219867363U
CN219867363U CN202321124300.1U CN202321124300U CN219867363U CN 219867363 U CN219867363 U CN 219867363U CN 202321124300 U CN202321124300 U CN 202321124300U CN 219867363 U CN219867363 U CN 219867363U
Authority
CN
China
Prior art keywords
piston
cavity
piston rod
oil
mining
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202321124300.1U
Other languages
Chinese (zh)
Inventor
崔昌生
薛孝川
姜童
毛英英
胡言立
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Yunsen Intelligent Technology Co ltd
Original Assignee
Shandong Yunsen Intelligent Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shandong Yunsen Intelligent Technology Co ltd filed Critical Shandong Yunsen Intelligent Technology Co ltd
Priority to CN202321124300.1U priority Critical patent/CN219867363U/en
Application granted granted Critical
Publication of CN219867363U publication Critical patent/CN219867363U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Compressor (AREA)

Abstract

The utility model relates to the field of lubricating equipment, in particular to a piston rod mounting mechanism of a mining lubricating oil outlet machine, which comprises the following components: the piston shell is provided with a piston cavity with an open top, an oil drain hole is formed in the side wall of the piston cavity, and a base is integrally formed in the position of the oil drain hole on the outer side wall of the piston shell; the connecting pipe is connected with the base, a through cavity communicated with the oil drain hole is formed in the connecting pipe, and an oil drain joint is arranged on the side wall of the connecting pipe; the check valve comprises a check valve body and an end cover arranged at one end of the check valve body, the check valve body penetrates through the communicated cavity and is connected with the base, and the end cover and the base clamp and fix the connecting pipe; the piston rod is arranged in the piston cavity and comprises a piston and 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 can extend out of the top of the piston cavity. The utility model is convenient to process and assemble by optimizing the structures of the piston shell and the connecting pipe, and effectively solves the problems in the prior art.

Description

Piston rod mounting mechanism of mining lubrication oil outlet machine
Technical Field
The utility model relates to the field of lubricating equipment, in particular to a piston rod mounting mechanism of a mining lubricating oil outlet machine.
Background
The lubricating oil is commonly applied to the lubrication of various mechanical equipment, an automatic filling device is adopted for the replenishment of the lubricating oil so as to replenish the lubricating oil when the lubricating oil of the mechanical equipment is lost, for example, the patent application number 201120079722.2 discloses an automatic lubricating oil filling device, 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 required so as to discharge the lubricating oil through an oiling hole for lubrication, wherein unidirectional oil outlet of the bottom oiling hole is realized through a bracket and a spring.
By adopting the mode, when the lubricating oil is replenished into the cylinder body, the cylinder body is required to be disassembled, the mode is inconvenient, the applicant finds that the cylinder body is used as a lubricating oil storage container and a guide space for discharging the lubricating oil when the application is performed, the inner diameter profile of the cylinder body is larger, the piston is larger, the working condition that the lubricating oil is suddenly gushed easily occurs when the piston is pressed downwards to push away the supporting head is reflected, the oil output is not easy to control when the piston moves outwards in the cylinder body, the oil output is unbalanced, the single oil replenishing quantity is not easy to control when the lubricating oil of single-point oil-using equipment is replenished, the applicant finds that the dispersing distance of the underground equipment is long and the installation space is small when the actual coal mine is applied underground, the centralized lubricating oil replenishing equipment is not easy to install, and the single-point oil replenishing equipment is required to reduce the lubricating oil replenishing frequency and simultaneously control the single lubricating oil output is high.
To this problem, the applicant has improved lubrication oiling device, and oiling device includes the first casing that has the piston chamber, and first casing sets up the oil drain hole, and oil pipeline and check valve are installed to the oil drain hole, and the piston intracavity sets up the piston rod that can go up and down, drives the oil pressure in the piston chamber through the piston rod reciprocates and goes out the oil drain hole. At present, for the structure of the first casing, no special structural form exists, and as the cavity structure of the first casing is smaller and has a plurality of passages, how to simplify the processing and assembling difficulty of the first casing and ensure that the subsequent overhaul is convenient is a key problem.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a piston rod mounting mechanism of a mining lubricating oil outlet machine, which is convenient to process and assemble by optimizing the structures of a piston shell and a connecting pipe, and effectively solves the problems in the prior art.
In order to solve the problems, the utility model provides a piston rod mounting mechanism of a mining lubricating oil outlet machine, which comprises the following components: the piston shell is provided with a piston cavity, the top of the piston cavity is open, an oil drain hole is formed in the side wall of the piston cavity, and a base is integrally formed in the position of the oil drain hole on the outer side wall of the piston shell; the connecting pipe is connected with the base, a through cavity communicated with the oil drain hole is formed in the connecting pipe, and an oil drain joint is arranged on the side wall of the connecting pipe; the check valve comprises a check valve body and an end cover arranged at one end of the check valve body, the check valve body penetrates through the communicated cavity and is connected with the base, and the end cover and the base clamp and fix the connecting pipe; the piston rod is arranged in the piston cavity and comprises a piston and 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 can extend out of the top of the piston cavity.
Further, the one-way valve body is in threaded screwing connection with the base.
Further, the check valve body comprises a valve block capable of sealing the oil drain hole, an elastic piece driving the valve block to move towards the oil drain hole, and a valve casing arranged on the inner side of the connecting pipe and the base, wherein the elastic piece is installed in the valve casing, the valve casing is connected with the base, and the valve casing is communicated with the oil drain joint.
Further, the piston housing is provided to be open at the bottom of the piston chamber; the mounting mechanism further comprises a motor shell connected to the bottom of the piston shell, the motor shell comprises a guide cavity coaxial with the piston cavity, the bottom of the piston rod can extend into the guide cavity, and the guide cavity is in vertical sliding fit with the piston rod; the motor casing is equipped with the gear seat in the top or the bottom of direction chamber, install drive gear in the gear seat, the piston rod passes drive gear, just the piston rod with drive gear cooperation, so that drive gear rotates and drives the piston rod reciprocates.
Further, the gear seat is also provided with a driving gear meshed with the transmission gear, the installation mechanism comprises a motor connected with the driving gear, and the motor is installed on one side of the side wall of the guide cavity.
Further, a sliding groove is arranged in the guide cavity, and a sliding block which is in sliding fit with the sliding groove is arranged at the lower end of the piston rod.
Further, the motor housing and the piston housing may be connected by threaded fasteners.
Further, an oil stop ring matched with the connecting rod section is arranged in the piston cavity, and the oil drain hole is arranged on the upper side of the oil stop ring.
Further, the motor and the one-way valve are respectively positioned at two sides of the guide cavity.
Further, a mounting ring is arranged on the top of the piston shell outside the piston cavity.
The utility model has the beneficial effects that the piston shell and the connecting pipe are convenient to process and assemble by optimizing the structures of the piston shell and the connecting pipe, and 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 piston 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 delivery pipeline; 8. an oil supply chamber; 901. a transmission gear; 902. a motor; 1001. a base; 1002. a connecting pipe; 11. a check valve body; 1101. a valve block; 1102. an elastic member; 1103. a valve housing 1201, a barrel portion; 1202. a top cover; 13. a mounting ring; 14. an oil discharge joint; 16. a motor housing; 17. an end cap; 18. a guide chamber; 19. a drive gear; 20. oil-stopping ring; 21. 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 piston rod mounting mechanism of a mining lubrication oil extraction machine, comprising: the piston housing 1 is provided with a piston cavity 2, an oil supply hole 3 is formed on the top of the piston cavity 2, an oil drain hole 4 is formed in the side wall of the piston cavity 2 of the piston housing 1, and a base 1001 is integrally formed on the outer side wall of the piston housing 1 at the position of the oil drain hole 4; a connecting pipe 1002 connected to the base 1001, wherein the connecting pipe 1002 is provided with a through cavity communicating with the oil drain hole 4, and the side wall of the connecting pipe 1002 is provided with an oil drain joint 14; the check valve comprises a check valve body 11 and an end cover 17 arranged at one end of the check valve body 11, wherein the check valve body 11 passes through the communicated cavity and is connected with the base 1001, and the end cover 17 and the base 1001 clamp and fix the connecting pipe 1002; the piston rod 5 is arranged in the piston cavity 2 and comprises a piston 6 and 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, and the piston 6 can extend out of the top of the piston cavity 2.
According to the mounting mechanism, the connecting pipe 1002 and the piston housing 1 are arranged into the split structure, so that the piston housing 1 and the connecting pipe 1002 can be processed separately, the piston cavity 2 of the piston housing 1 is processed and molded conveniently, the through cavity structure of the connecting pipe 1002 and the oil discharging joint 14 are processed easily, the piston cavity 2 and the cavity of the through cavity can be processed conveniently, and as a preferable mode, injection molding processing can be adopted, and demolding processing can be facilitated conveniently. During assembly, after the piston rod 5 is installed in the piston cavity 2, the connecting pipe 1002 is connected to the base 1001, the one-way valve penetrates through the through cavity of the connecting pipe 1002 and is fixed to the base 1001, the end cover 17 clamps and fixes the connecting pipe 1002 to the base 1001, the one-way valve is installed, the two parts are installed through one-step assembly and fixation, and at the moment, the oil pipeline 7 is connected to the oil discharging joint 14.
After the pipe cavity installation structure is installed, other parts of the oil outlet machine are installed, in a preferred embodiment, as shown in the figure, the bottom of the piston rod 5 rotates and penetrates through the transmission gear 901, the transmission gear 901 drives to rotate through the motor 902, the piston rod 5 is driven to move up and down when the transmission gear 901 rotates, a cylinder shell is arranged on the outer side of the piston shell 1, a top cover 1202 is arranged on the top of the cylinder shell, the top cover 1202 is provided with an oil supply cavity 8 communicated with the piston cavity 2, the side wall of the oil supply cavity 8 is assembled with the top of the piston shell 1 in an inserting mode, an external oil supply pipe or an oil pot is installed on the top cover 1202 and communicated with the oil supply cavity 8 when the piston 6 of the piston rod 5 moves upwards to the oil supply cavity 8, lubricating oil of the oil supply cavity 8 enters the piston cavity 2, and when the piston 6 moves downwards in the piston cavity 2, the lubricating oil in the piston cavity 2 is discharged through the oil drain hole 4 and the one-way valve.
In a preferred embodiment, further specifically, as shown in the figure, the check valve body 11 is screwed with the base 1001.
With respect to the arrangement of the check valve, in the illustrated embodiment, further specifically, the check valve body 11 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 disposed inside the connection pipe 1002 and the base 1001, the elastic member 1102 being installed in the valve housing 1103, the valve housing 1103 being connected to the base 1001, and the valve housing 1103 being in communication with the oil drain joint 14. As shown in the figure, when assembling, the elastic member 1102 and the valve block 1101 are assembled together with the valve housing 1103 in advance, and then the valve housing 1103 is fed into the connection pipe 1002 and the housing, so that the elastic member 1102 and the valve block 1101 can be easily assembled.
For communication between the valve housing 1103 and the oil drain head, in the illustrated embodiment, the valve housing 1103 is provided with a gap with the inner wall of the connection pipe 1002 at the position of the oil drain joint 14, the valve housing 1103 is provided with sealing rings at both sides of the oil drain joint 14, and the valve housing 1103 is provided with a through hole between the two sealing rings, thereby achieving communication between the valve housing 1103 and the oil drain joint 14.
In a preferred embodiment, for the arrangement of the piston housing 1, a further optimized arrangement is shown, the piston housing 1 being arranged open at the bottom of the piston chamber 2; the mounting mechanism further comprises a motor casing 16 connected to the bottom of the piston casing 1, the motor casing 16 comprises a guide cavity 18 coaxial with the piston cavity 2, the bottom of the piston rod 5 can extend into the guide cavity 18, and the guide cavity 18 is in vertical sliding fit with the piston rod 5; the motor casing 16 is provided with a gear seat at the top or bottom of the guide cavity 18, a transmission gear 901 is installed in the gear seat, the piston rod 5 passes through the transmission gear 901, and the piston rod 5 is matched with the transmission gear 901, so that the transmission gear 901 rotates to drive the piston rod 5 to move up and down.
As shown in the figure, the piston housing 1 is arranged to be open at the bottom of the piston cavity 2, so that the piston cavity 2 is easier to be injection molded, the piston housing 1 and the motor housing 16 are arranged to be in a split structure, and a guide cavity 18 and a gear seat which are easy to process the motor housing 16 are arranged.
For the gear and motor 902 mounting of the gear seat position, in the illustrated embodiment, further specifically, the gear seat is further provided with a driving gear 19 meshed with the transmission gear 901, and the mounting mechanism comprises a motor 902 connected with the driving gear 19, and the motor 902 is mounted on one side of the side wall of the guide cavity 18. As shown in the figure, the driving gear 19 and the transmission gear 901 are both arranged on the gear seat, the motor 902 is arranged on one side of the side wall of the guide cavity 18, and as shown in the figure, the space of the side wall of the guide cavity 18 can be utilized, so that the whole structure is more compact, and the space of the structure is beneficial to optimization.
In further detail, in the illustrated embodiment, as shown in the drawing, a sliding groove is provided in the guiding cavity 18, and a sliding block 21 slidably fitted in the sliding groove is provided at the lower end of the piston rod 5. As shown in the figure, by arranging the sliding groove and the sliding block 21, the piston rod 5 can be driven to vertically lift and move when the transmission gear rotates. The sliding groove is arranged in the guiding cavity 18, and the guiding structure of the piston rod 5 can be integrally processed.
For the connection of the motor housing 16 and the plunger housing 1, it is preferable, and more specifically, that the motor housing 16 is connected to the plunger housing 1 by a screw fastener. As shown, the motor case 16 and the plunger case 1 are provided with connection posts, and the threaded fastener is provided as a bolt that connects the connection posts of the motor case 16 and the plunger case 1.
In the illustrated embodiment, further specifically, as shown in the drawing, the oil retainer 20 is disposed in the piston chamber 2 to cooperate with the connecting rod section 501, and the oil drain hole 4 is disposed on the upper side of the oil retainer 20. As shown in the figure, when the oil stop ring 20 is arranged in the piston cavity 2 in a penetrating manner at the top and the bottom of the piston cavity 2, demolding during injection molding is facilitated, and the arranged oil stop ring 20 can be matched with the connecting rod section 501 of the piston rod 5 to prevent lubricating oil from leaking downwards from the piston cavity 2.
In further detail for the illustrated embodiment, the motor 902 and the one-way valve are positioned on either side of the guide lumen 18, as shown. As shown in the figure, the space on both sides of the guide cavity 18 can be optimally utilized, so that the whole structure is more compact, and the space of the structure is optimized.
In the illustrated embodiment, further specifically, as shown, the top of the piston housing 1 is provided with a mounting ring 13 outside the piston chamber 2. As shown, by providing the mounting ring 13 on the top of the piston housing 1, the side wall of the oil supply chamber 8 can be inserted inside the mounting ring 13 when the side wall of the oil supply chamber 8 is connected to the piston housing 1 in the top cover 1202 as shown.
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. The utility model provides a mining lubrication goes out piston rod installation mechanism of oil engine which characterized in that includes:
the piston shell is provided with a piston cavity, the top of the piston cavity is open, an oil drain hole is formed in the side wall of the piston cavity, and a base is integrally formed in the position of the oil drain hole on the outer side wall of the piston shell;
the connecting pipe is connected with the base, a through cavity communicated with the oil drain hole is formed in the connecting pipe, and an oil drain joint is arranged on the side wall of the connecting pipe;
the check valve comprises a check valve body and an end cover arranged at one end of the check valve body, the check valve body penetrates through the communicated cavity and is connected with the base, and the end cover and the base clamp and fix the connecting pipe;
the piston rod is arranged in the piston cavity and comprises a piston and 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 can extend out of the top of the piston cavity.
2. The piston rod mounting mechanism of the mining lubrication oil extractor of claim 1, wherein the check valve body is screwed with the base.
3. The piston rod mounting mechanism of the mining lubricating oil outlet machine according to claim 2, wherein the one-way valve body comprises a valve block capable of closing the oil outlet hole, an elastic piece driving the valve block to move towards the oil outlet hole, and a valve housing arranged on the inner side of the connecting pipe and the base, the elastic piece is mounted in the valve housing, the valve housing is connected with the base, and the valve housing is communicated with the oil outlet joint.
4. The piston rod mounting mechanism of a mining lubricating oil dispenser according to claim 1, wherein,
the piston housing is arranged to be open at the bottom of the piston cavity;
the mounting mechanism further comprises a motor shell connected to the bottom of the piston shell, the motor shell comprises a guide cavity coaxial with the piston cavity, the bottom of the piston rod can extend into the guide cavity, and the guide cavity is in vertical sliding fit with the piston rod;
the motor casing is equipped with the gear seat in the top or the bottom of direction chamber, install drive gear in the gear seat, the piston rod passes drive gear, just the piston rod with drive gear cooperation, so that drive gear rotates and drives the piston rod reciprocates.
5. The piston rod mounting mechanism of the mining lubricating oil extractor of claim 4, wherein the gear seat is further provided with a driving gear meshed with the transmission gear, the mounting mechanism comprises a motor connected with the driving gear, and the motor is mounted on one side of the side wall of the guide cavity.
6. The piston rod mounting mechanism of the mining lubricating oil discharging machine according to claim 4, wherein a sliding groove is formed in the guide cavity, and a sliding block which is in sliding fit with the sliding groove is arranged at the lower end of the piston rod.
7. The piston rod mounting mechanism of a mining lubrication oil extractor of claim 4, wherein the motor housing and the piston housing are connectable by threaded fasteners.
8. The piston rod mounting mechanism of the mining lubricating oil extractor of claim 4, wherein an oil stop ring matched with the connecting rod section is arranged in the piston cavity, and the oil drain hole is arranged on the upper side of the oil stop ring.
9. The piston rod mounting mechanism of a mining lubrication oil extractor of claim 5, wherein the motor and the one-way valve are located on two sides of the guide cavity, respectively.
10. The piston rod mounting mechanism of a mining lubrication oil extractor of claim 5, wherein the piston housing top is provided with a mounting ring outside the piston cavity.
CN202321124300.1U 2023-05-08 2023-05-08 Piston rod mounting mechanism of mining lubrication oil outlet machine Active CN219867363U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321124300.1U CN219867363U (en) 2023-05-08 2023-05-08 Piston rod mounting mechanism of mining lubrication oil outlet machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321124300.1U CN219867363U (en) 2023-05-08 2023-05-08 Piston rod mounting mechanism of mining lubrication oil outlet machine

Publications (1)

Publication Number Publication Date
CN219867363U true CN219867363U (en) 2023-10-20

Family

ID=88341006

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321124300.1U Active CN219867363U (en) 2023-05-08 2023-05-08 Piston rod mounting mechanism of mining lubrication oil outlet machine

Country Status (1)

Country Link
CN (1) CN219867363U (en)

Similar Documents

Publication Publication Date Title
US5470214A (en) Lubricating device for horizontal type hermetic compressor
CN201851248U (en) High-pressure fuel pump
JP2015505011A (en) Pump head for fuel pump
CN216008868U (en) Fluid end and plunger pump
CN113898574A (en) Gland, hydraulic end and plunger pump
CN115405514A (en) Fluid end and plunger pump
CN110242529A (en) A kind of five cylinder slush pumps
CN219867363U (en) Piston rod mounting mechanism of mining lubrication oil outlet machine
CN109469609A (en) Lubricating oil pump and engine lubrication system
CN218032592U (en) Grease lubricating pump with double plunger pistons
CN210153518U (en) Aerogenerator lubricating pump
CN218988814U (en) Lever type manual oiling machine
CN103123039B (en) Air-pressure lubricating oil lubricator and correction oil injection method thereof
CN214119641U (en) Lubricating pump
CN102465801B (en) High-pressure fuel pump
CN219867362U (en) Mining single-point lubrication oiling device
CN212479545U (en) Emulsion plunger pump and pump head assembly thereof
KR101409983B1 (en) Automatic grease lubricator by plunger periodic motion
CN112081739A (en) Emulsion plunger pump and pump head assembly thereof
CN221035152U (en) Electric automatic oiling device for polish rod sealer of pumping well
CN219774245U (en) Injection pump for six-cylinder diesel engine
CN109113952B (en) Electric oil pump assembly, steering system and lubricating system
CN117889332A (en) Mining single-point lubrication oiling system
CN217401078U (en) Hydraulic drive plunger pump
CN213684929U (en) Novel crankshaft

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant