CN219809126U - Helical gear transmission hydraulic pump - Google Patents
Helical gear transmission hydraulic pump Download PDFInfo
- Publication number
- CN219809126U CN219809126U CN202321097125.1U CN202321097125U CN219809126U CN 219809126 U CN219809126 U CN 219809126U CN 202321097125 U CN202321097125 U CN 202321097125U CN 219809126 U CN219809126 U CN 219809126U
- Authority
- CN
- China
- Prior art keywords
- pipe
- oil
- helical gear
- gear
- pump body
- 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
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 238000001914 filtration Methods 0.000 claims abstract description 11
- 239000003921 oil Substances 0.000 abstract description 38
- 239000010720 hydraulic oil Substances 0.000 abstract description 23
- 239000012535 impurity Substances 0.000 abstract description 18
- 238000005299 abrasion Methods 0.000 abstract description 6
- 238000004140 cleaning Methods 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000005086 pumping Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
Landscapes
- Rotary Pumps (AREA)
Abstract
The utility model discloses a helical gear transmission hydraulic pump, which comprises a pump body and further comprises a filtering mechanism, wherein the output end of the pump body is provided with the filtering mechanism, the filtering mechanism comprises an oil inlet pipe, an oil outlet pipe, a connecting pipe, an elbow pipe, a screw groove, a screw cover, a limiting groove and a filter plate, the output end of the pump body is provided with the oil outlet pipe, the tail end of the oil outlet pipe is connected with the connecting pipe connected with a hydraulic component through the elbow pipe, oil impurities and impurities generated by abrasion of gears in the hydraulic oil transmission process can be isolated by the filter plate, meanwhile, the impurities are positioned at the bottommost end of the elbow pipe due to the elbow pipe structure, the impurities are prevented from entering the inside of an actuator, the impurities can be carried out by unscrewing the screw cover to extract the filter plate for cleaning, the use quality of hydraulic oil is ensured, and meanwhile, the filtered waste scraps can be cleaned conveniently.
Description
Technical Field
The utility model relates to the technical field of gear hydraulic pumps, in particular to a bevel gear transmission hydraulic pump.
Background
The hydraulic pump is a power element of a hydraulic system, is driven by an engine or a motor, sucks oil from a hydraulic oil tank to form pressure oil, discharges the pressure oil and sends the pressure oil to an executing element, and is structurally divided into a gear pump, a plunger pump, a vane pump and a screw pump, wherein the gear pump is a common type of hydraulic pump, is a rotary pump for conveying or pressurizing the liquid by means of working volume change and movement formed between a pump cylinder and a meshing gear, and is also one of common pump body types in the hydraulic system.
The existing gear hydraulic pump has the following disadvantages when in use: when the hydraulic gear pump is used for conveying hydraulic oil, the hydraulic oil is mainly conveyed through the working volume change formed between the pump cylinder and the meshing gears, and the hydraulic gear pump has the characteristics of small volume and light weight, but also has the defects of unbalanced radial force, large flow pulsation and large gear abrasion, and mechanical scraps generated by long-time meshing abrasion among gears are easy to directly enter the hydraulic execution equipment from an oil supply pipeline and influence the stable use of an execution device.
Disclosure of Invention
The utility model mainly aims to provide a helical gear transmission hydraulic pump, which can filter hydraulic oil output to a hydraulic system by connecting a filtering mechanism at the output end of a pump body, prevent scraps and mechanical abrasion scraps in the hydraulic oil from entering an executing device, and effectively solve the problems in the background art.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a helical gear drive hydraulic pump, includes the pump body, still includes filtering mechanism, filtering mechanism is installed to the pump body output, filtering mechanism includes oil feed pipe, oil drain pipe, connecting pipe, return bend, helicoidal groove, screw cap, spacing groove and filter plate, and oil drain pipe end are installed to the pump body output and are connected with the connecting pipe that hydraulic assembly links to each other through the return bend, and spacing groove and the inside grafting of spacing groove have been seted up to the inside bottom vertical direction of return bend.
Further, the novel hydraulic pump further comprises a transmission mechanism, wherein the transmission mechanism is arranged in the pump body and comprises a gear cavity, a transmission shaft, a driving bevel gear and a driven bevel gear, the gear cavity is formed in the pump body, the driving bevel gear positioned at one end of the inside of the gear cavity is arranged at the power output end of the transmission shaft, and the driven bevel gear is arranged at the other end of the inside of the gear cavity; the internal part of the gear cavity is provided with the driving bevel gear and the driven bevel gear which are meshed with each other, the external power component drives the driving bevel gear to rotate through the transmission shaft so as to drive the driven bevel gear to rotate, pumping pressure conveying of hydraulic oil is realized, the traditional straight gear is replaced by the bevel gear, the meshing performance is good, the contact ratio is high, and the conveying efficiency of the hydraulic oil can be improved.
Further, an oil inlet pipe which corresponds to the oil drain pipe in position and is connected with external oil supply equipment is arranged at one end of the surface of the pump body, which is far away from the oil drain pipe; the hydraulic oil is conveyed through the pump body by connecting an oil inlet pipe with external oil supply equipment.
Further, a screw groove is formed in the bottom of the bent pipe, a screw cover is detachably connected with the bottom of the bent pipe through the screw groove, and the bottom of the filter plate is abutted to the surface of the screw cover; the screw cap is screwed to remove the oil product impurities, and the filter plate is further extracted to clean the oil product impurities.
Further, the driving bevel gear is connected with an external power output assembly through a transmission shaft, and the driving bevel gear and the driven bevel gear are meshed with each other; the hydraulic oil is conveyed through the cooperation of the driving bevel gear and the driven bevel gear.
Compared with the prior art, the utility model has the following beneficial effects: the output end of the pump body is connected with the hydraulic power actuator through an oil discharge pipe, an elbow pipe and a connecting pipe, a limit groove is formed in the bottom end of the elbow pipe, a filter plate is inserted in the limit groove, impurities of oil products and impurities generated by gear abrasion in the hydraulic oil conveying process can be isolated by the filter plate, meanwhile, the impurities are at the bottommost end of the elbow pipe due to the elbow pipe structure, the impurities are prevented from entering the actuator, and the impurities can be removed only by unscrewing a screw cap to extract the filter plate for cleaning, so that the use quality of the hydraulic oil is ensured, and meanwhile, the filtered waste scraps can be cleaned conveniently; the internal part of the gear cavity is provided with the driving bevel gear and the driven bevel gear which are meshed with each other, the external power component drives the driving bevel gear to rotate through the transmission shaft so as to drive the driven bevel gear to rotate, pumping pressure conveying of hydraulic oil is realized, the traditional straight gear is replaced by the bevel gear, the meshing performance is good, the contact ratio is high, and the conveying efficiency of the hydraulic oil can be improved.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a helical gear transmission hydraulic pump according to the present utility model.
Fig. 2 is a schematic diagram of the internal structure of a pump body of a helical gear transmission hydraulic pump according to the present utility model.
Fig. 3 is an enlarged schematic view of the structure of the bevel gear driven hydraulic pump of fig. 2 at a position a.
In the figure: 1. a pump body; 2. a filtering mechanism; 201. an oil inlet pipe; 202. an oil drain pipe; 203. a connecting pipe; 204. bending the pipe; 205. a screw groove; 206. a screw cap; 207. a limit groove; 208. a filter plate; 3. a transmission mechanism; 301. a gear cavity; 302. a transmission shaft; 303. a driving helical gear; 304. driven helical gears.
Description of the embodiments
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1-3, a helical gear transmission hydraulic pump comprises a pump body 1 and further comprises a filter mechanism 2, wherein the filter mechanism 2 is installed at the output end of the pump body 1, the filter mechanism 2 comprises an oil inlet pipe 201, an oil outlet pipe 202, a connecting pipe 203, an elbow 204, a spiral groove 205, a spiral cover 206, a limiting groove 207 and a filter plate 208, the oil outlet pipe 202 is installed at the output end of the pump body 1, the tail end of the oil outlet pipe 202 is connected with the connecting pipe 203 connected with a hydraulic component through the elbow 204, the limiting groove 207 is formed in the vertical direction at the bottom end of the inside of the elbow 204, and the filter plate 208 is inserted into the limiting groove 207.
The novel pump comprises a pump body 1, and is characterized by further comprising a transmission mechanism 3, wherein the transmission mechanism 3 is arranged in the pump body 1, the transmission mechanism 3 comprises a gear cavity 301, a transmission shaft 302, a driving bevel gear 303 and a driven bevel gear 304, the gear cavity 301 is formed in the pump body 1, the driving bevel gear 303 positioned at one end of the inside of the gear cavity 301 is arranged at the power output end of the transmission shaft 302, and the driven bevel gear 304 is arranged at the other end of the inside of the gear cavity 301; the driving bevel gear 303 and the driven bevel gear 304 which are meshed with each other are arranged in the gear cavity 301, the driving bevel gear 303 is driven to rotate by the external power component through the transmission shaft 302, the driven bevel gear 304 is driven to rotate, pumping pressure conveying of hydraulic oil is achieved, the traditional straight gears are replaced by the bevel gears, meshing performance is good, the contact ratio is high, and conveying efficiency of the hydraulic oil can be improved.
An oil inlet pipe 201 corresponding to the oil outlet pipe 202 in position and connected with external oil supply equipment is arranged at one end of the surface of the pump body 1, which is far away from the oil outlet pipe 202, a screw groove 205 is formed in the bottom of the elbow 204, a screw cover 206 is detachably connected with the bottom of the elbow 204 through the screw groove 205, and the bottom of the filter plate 208 is abutted to the surface of the screw cover 206; the external oil supply equipment is connected through the oil inlet pipe 201, the hydraulic oil is conveyed through the pump body 1, the screw cover 206 is screwed to be removed, and the filter plate 208 is further extracted to clean oil impurities.
The driving bevel gear 303 is connected with an external power output assembly through a transmission shaft 302, and the driving bevel gear 303 and the driven bevel gear 304 are meshed with each other; the hydraulic oil is conveyed through the cooperation of the driving bevel gear 303 and the driven bevel gear 304.
It should be noted that, when the helical gear transmission hydraulic pump is used, the output end of the pump body 1 is connected with a hydraulic power actuator through the oil discharge pipe 202, the elbow pipe 204 and the connecting pipe 203, the bottom end of the elbow pipe 204 is provided with a limit groove 207, a filter plate 208 is inserted in the limit groove 207, impurities of oil products and impurities generated by gear abrasion in the hydraulic oil transmission process can be isolated by the filter plate 208, meanwhile, the impurities are positioned at the bottommost end of the elbow pipe 204 due to the structure of the elbow pipe 204, the impurities are prevented from entering the actuator, and the impurities can be removed only by unscrewing the screw cap 206 to extract the filter plate 208 for cleaning, so that the use quality of the hydraulic oil is ensured, and the filtered waste scraps can be cleaned conveniently; the driving bevel gear 303 and the driven bevel gear 304 which are meshed with each other are arranged in the gear cavity 301, the driving bevel gear 303 is driven to rotate by the external power component through the transmission shaft 302, the driven bevel gear 304 is driven to rotate, pumping pressure conveying of hydraulic oil is achieved, the traditional straight gears are replaced by the bevel gears, meshing performance is good, the contact ratio is high, and conveying efficiency of the hydraulic oil can be improved.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a helical gear drive hydraulic pump, includes the pump body (1), its characterized in that still includes filtering mechanism (2), filtering mechanism (2) are installed to pump body (1) output, filtering mechanism (2) are including advance oil pipe (201), row oil pipe (202), connecting pipe (203), return bend (204), helicoidal groove (205), screw cap (206), spacing groove (207) and filter plate (208), are installed row oil pipe (202) and are arranged oil pipe (202) end and are connected with connecting pipe (203) that hydraulic assembly links to each other through return bend (204) in pump body (1) output, and spacing groove (207) inside grafting have filter plate (208) are seted up to the inside bottom vertical direction of return bend (204).
2. A helical gear driven hydraulic pump as defined in claim 1, wherein: still include drive mechanism (3), pump body (1) internally mounted has drive mechanism (3), drive mechanism (3) are including gear cavity (301), transmission shaft (302), initiative helical gear (303) and driven helical gear (304), and gear cavity (301) and transmission shaft (302) power take off end have been seted up inside pump body (1) and are installed initiative helical gear (303) that are located the inside one end of gear cavity (301), driven helical gear (304) are installed to the inside other end of gear cavity (301).
3. A helical gear driven hydraulic pump as defined in claim 1, wherein: an oil inlet pipe (201) which corresponds to the oil outlet pipe (202) in position and is connected with external oil supply equipment is arranged at one end, far away from the oil outlet pipe (202), of the surface of the pump body (1).
4. A helical gear driven hydraulic pump as defined in claim 1, wherein: the bottom of the bent pipe (204) is provided with a screw groove (205) and detachably connected with a screw cover (206) through the screw groove (205), and the bottom of the filter plate (208) is abutted to the surface of the screw cover (206).
5. A helical gear driven hydraulic pump as defined in claim 2, wherein: the driving bevel gear (303) is connected with an external power output assembly through a transmission shaft (302), and the driving bevel gear (303) and the driven bevel gear (304) are meshed with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321097125.1U CN219809126U (en) | 2023-05-09 | 2023-05-09 | Helical gear transmission hydraulic pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321097125.1U CN219809126U (en) | 2023-05-09 | 2023-05-09 | Helical gear transmission hydraulic pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219809126U true CN219809126U (en) | 2023-10-10 |
Family
ID=88214295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321097125.1U Active CN219809126U (en) | 2023-05-09 | 2023-05-09 | Helical gear transmission hydraulic pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219809126U (en) |
-
2023
- 2023-05-09 CN CN202321097125.1U patent/CN219809126U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211752864U (en) | Oil field development water injection well produced sewage filter equipment | |
| CN219809126U (en) | Helical gear transmission hydraulic pump | |
| CN207813801U (en) | A kind of fuel feed pump | |
| CN210141199U (en) | Axial flow pump | |
| CN111622957A (en) | Water suction pump with anti-blocking function for road construction | |
| CN112849797B (en) | Can avoid inner wall to remain thick liquid receiving tank of flowing of donkey-hide gelatin hematonic cream production usefulness | |
| CN111486329B (en) | Controllable oil pump of environmental protection function emission has | |
| CN219043130U (en) | Fuel pipeline filter | |
| CN210397082U (en) | Double-screw pump with matched metal screw and rubber-lined screw | |
| CN211500891U (en) | Reciprocating clean water pump for mine | |
| CN210366956U (en) | Mechanical barreled water taking device | |
| CN202082097U (en) | Worm worm-wheel pump | |
| CN2204871Y (en) | Floating shaft connecting oil pump with two shafts | |
| CN220849917U (en) | Straight-shaft sloping cam type plunger pump | |
| CN219691743U (en) | Sealed internal engagement mute pump | |
| CN219539610U (en) | Antioxidant cosmetic impurity filtering device | |
| CN2929249Y (en) | Liquid output pump | |
| CN220790059U (en) | Filterable intelligent sewage lifting device | |
| CN220134307U (en) | Small fountain water pump | |
| CN2803491Y (en) | Sewage filter | |
| CN219689576U (en) | Mud purifier of spiral shell machine stacks | |
| CN219366296U (en) | Axial variable plunger pump cylinder body | |
| CN220992007U (en) | Full-automatic nut cleaning machine | |
| CN219440842U (en) | Sewage treatment device | |
| CN217421595U (en) | Cutting formula submersible sewage pump cutters |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |