Gear pump air tightness detection tool
By designing the gear pump gas dense detection worker, the gas pump is used inside the gear pump and observed whether there is a bubble of the kerosene liquid surface, solving the problem of leakage after use of gear pumps, and realizing the accurate detection of gear pump sealing performance. And the effect of preventing the whole machine failure.
Patent Information
- Application Number
- CN202421160109.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-27
- Publication Date
- 2025-01-28
- Estimated Expiration
- 2034-05-27
AI Technical Summary
After use for a period of time, gear pumps are prone to airtight problems such as oil seals or leakage of the pump body and pump cover joint surfaces, which are difficult to detect when leaving the factory, resulting in the failure of the entire machine.
Design a gear pump gas dense detection worker, including the oil pore component and the oil -out -out plate component. The gas pump into the gear pump through the trachea, observe whether the kerosene fluid surface has a bubble to determine the sealing performance of the pump. Essence
This detection workmanship can accurately detect the sealing performance of the gear pump, prevent the gear pumps from the hidden danger of oil leakage or the hidden dangers of oil leakage, and avoid the entire machine failure.
Smart Images
Figure CN222419405U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of gear pump production, in particular to an air tightness detection tool for a gear pump. Background Art
[0002] At present, the gear pump used in the working hydraulic system of the loader will have leakage on the oil seal or pump body, pump cover joint surface, and sand holes in the front cover, rear cover, pump body blank, and loose material after being used for a period of time. These phenomena are difficult to detect when leaving the factory and difficult to replace on the whole machine, resulting in a lot of complaints from users. Utility Model Content
[0003] The utility model aims to provide a gear pump air tightness detection tooling to detect gear pumps with oil leakage or oil seepage faults, thereby preventing gear pumps with oil leakage or oil seepage hidden dangers from flowing into the market and causing whole machine failure.
[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0005] A gear pump air tightness detection tool comprises an oil inlet orifice plate assembly and an oil outlet orifice plate assembly; a first groove is arranged on the end face of the oil inlet orifice plate on the oil inlet orifice plate assembly, a first O-ring is arranged in the first groove, the oil inlet orifice plate assembly is connected to the end face of the oil inlet hole of the gear pump by a first bolt, and the end face of the oil inlet orifice plate fits with the end face of the oil inlet hole on the gear pump to form a sealing end face; an air inlet hole connected to the oil inlet hole of the gear pump is arranged on the oil inlet orifice plate assembly, and the air inlet hole is also connected to an external air pump through an air pipe; a second groove is arranged on the end face of the oil outlet orifice plate on the oil outlet orifice plate assembly, a second O-ring is arranged in the second groove, the oil outlet orifice plate assembly is connected to the end face of the oil outlet hole of the gear pump by a second bolt, and the end face of the oil outlet orifice plate fits with the end face of the oil outlet hole on the gear pump to form a sealing end face.
[0006] Preferably, a first handle is provided on the oil inlet orifice plate assembly, and a second handle is provided on the oil outlet orifice plate assembly, so as to facilitate lifting the gear pump for movement.
[0007] Preferably, the first bolt and the second bolt are respectively an M12 hexagon socket bolt and an M10 hexagon socket bolt, and the number of each bolt is four.
[0008] Compared with the prior art, the utility model has the following beneficial effects: the oil inlet orifice assembly of the utility model is installed at the oil inlet end of the gear pump, the oil outlet orifice assembly is installed at the oil outlet end of the gear pump, the upper end of the oil inlet orifice assembly is connected to the ventilation pipe for ventilation, the pressurized gas quickly enters the gear pump and fills each cavity, the gear pump assembly equipped with the air tightness detection tooling is placed in a box filled with kerosene, the kerosene covers the gear pump assembly, and whether there are bubbles coming out of the kerosene liquid surface is observed, so as to accurately detect the sealing performance of the gear pump and prevent the gear pump with hidden dangers of oil leakage or oil seepage from flowing into the market and causing the whole machine failure. BRIEF DESCRIPTION OF THE DRAWINGS
[0009] Figure 1 It is a cross-sectional structural schematic diagram of an embodiment of the utility model;
[0010] Figure 2 This is a schematic diagram of the use status of an embodiment of the utility model.
[0011] In the figure: 1. oil inlet orifice plate assembly, 11. air pipe, 12. end face of oil inlet orifice plate, 13. first groove, 14. air inlet hole, 15. first handle, 2. first O-ring, 3. first bolt, 4. oil outlet orifice plate assembly, 41. end face of oil outlet orifice plate, 42. second groove, 43. second handle, 5. second O-ring, 6. second bolt. DETAILED DESCRIPTION
[0012] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", "vertical", "horizontal", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.
[0013] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0014] like Figure 1 and Figure 2 As shown, the embodiment of the utility model includes an oil inlet orifice plate assembly 1 and an oil outlet orifice plate assembly 4; a first groove 13 is provided on the oil inlet orifice plate end face 12 on the oil inlet orifice plate assembly 1, a first O-type sealing ring 2 is provided in the first groove 13, the oil inlet orifice plate assembly 1 is connected to the oil inlet hole end face of the gear pump by a first bolt 3, and the oil inlet orifice plate end face 12 is fitted with the oil inlet hole end face on the gear pump to form a sealing end face; an air inlet hole 14 connected to the oil inlet hole of the gear pump is provided on the oil inlet orifice plate assembly 1, and the air inlet hole 14 is also connected to the external air pump through the air pipe 11; a second groove 42 is provided on the oil outlet orifice plate end face 41 on the oil outlet orifice plate assembly 4, a second O-type sealing ring 5 is provided in the second groove 42, the oil outlet orifice plate assembly 4 is connected to the oil outlet hole end face of the gear pump by a second bolt 6, and the oil outlet orifice plate end face 41 is fitted with the oil outlet hole end face on the gear pump to form a sealing end face.
[0015] Preferably, a first handle 15 is provided on the oil inlet orifice plate assembly 1, and a second handle 43 is provided on the oil outlet orifice plate assembly 4, so as to facilitate lifting the gear pump for movement.
[0016] like Figure 2 As shown, firstly, the oil inlet orifice plate assembly 1 and the oil outlet orifice plate assembly 4 are connected to the oil inlet end face and the oil outlet end face of the gear pump respectively by the first bolt 3 and the second bolt 6, and a sealing structure is formed due to the action of the first O-ring 2 and the second O-ring 5; then, the gear pump is lifted by the first handle 15 and the second handle 43 and placed in a box filled with kerosene, so that the kerosene liquid level immerses the gear pump; then, the external air pump is started, and gas is pumped into the gear pump through the air pipe 11 and the air inlet 14, and the gas pressure is 0.5-0.7MPa. The gas passes through Figure 2 Enter the gear pump assembly in the direction of arrow 1 and arrow 2, and quickly fill the gear pump body and rear cover structural surface, oil seal sealing area, front cover and pump body joint surface, etc. Observe whether there are bubbles on the kerosene surface to determine whether the gear pump has leakage.
[0017] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A gear pump air tightness detection tool, characterized in that: It comprises an oil inlet orifice plate assembly and an oil outlet orifice plate assembly; a first groove is arranged on the end face of the oil inlet orifice plate on the oil inlet orifice plate assembly, a first O-type sealing ring is arranged in the first groove, the oil inlet orifice plate assembly is connected to the end face of the oil inlet hole of the gear pump by a first bolt, and the end face of the oil inlet orifice plate fits with the end face of the oil inlet hole on the gear pump to form a sealing end face; an air inlet hole connected with the oil inlet hole of the gear pump is arranged on the oil inlet orifice plate assembly, and the air inlet hole is also connected with the external air pump through an air pipe; a second groove is arranged on the end face of the oil outlet orifice plate on the oil outlet orifice plate assembly, a second O-type sealing ring is arranged in the second groove, the oil outlet orifice plate assembly is connected to the end face of the oil outlet hole of the gear pump by a second bolt, and the end face of the oil outlet orifice plate fits with the end face of the oil outlet hole on the gear pump to form a sealing end face.
2. The gear pump air tightness detection tool according to claim 1, characterized in that: The oil inlet orifice plate assembly is provided with a first handle, and the oil outlet orifice plate assembly is provided with a second handle, so as to facilitate lifting the gear pump for movement.
3. The gear pump air tightness detection tool according to claim 1, characterized in that: The first bolt and the second bolt are respectively an M12 hexagon socket bolt and an M10 hexagon socket bolt, and the number of the first bolt and the second bolt is four.