Purity detection device for lubricating oil production

Abstract

The invention relates to the technical field of detection, and discloses a purity detection device for lubricating oil production, which comprises a detection mechanism, the detection mechanism comprises a support frame, the outer wall of the support frame is fixedly connected with support legs, and the top of the support frame is fixedly connected with a glass tube. A first connecting block is fixedly connected to the end, away from the supporting frame, of the glass tube, a liquid inlet tube is fixedly connected to the top of the first connecting block, and a second fixing rod is fixedly connected to the top of the first connecting block. Different areas and depths in the lubricating oil storage device can be sampled through the sampling mechanism, so that errors of a detection result caused by a single sampling point are avoided, and meanwhile, when the purity of the lubricating oil is detected, a viscosity detector, a flash point tester and a detection light source are used for detecting the appearance of the lubricating oil in a glass tube. Therefore, the accuracy of lubricating oil purity detection results is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of detection, and particularly to a purity detection device for lubricating oil production. Background Art

[0002] Lubricating oil is crucial in machinery. It can reduce friction, cool and dissipate heat, seal and prevent leakage, and prevent rust and corrosion. Different types of lubricating oil need to be selected according to different uses and working conditions, such as engine oil, gear oil, etc. Reasonable use of lubricating oil can extend the life of machinery, improve work efficiency, and ensure the stable operation of equipment.

[0003] The patent application with the application number CN202021470980.9 discloses a purity detection device for lubricating oil production, including a box body. The interior of the box body is partitioned by a partition into a measurement space and a placement space. The inner wall of the placement hole is fixed with a constant temperature water bath by bolts. Installation grooves are opened on both sides of the same outer wall of the box body. The inner walls of one side of the two installation grooves are hinged with a first box door and a second box door respectively. A fixing component is arranged on one inner wall of the box body, and the fixing component fixes an Ubbelohde tube. A lubricating oil conveying mechanism is arranged on the top of the box body, a particle detection mechanism is arranged on the top of the box body, a temperature display is fixed on one outer wall of the box body by bolts, and a temperature sensor is adhered to the inner wall of the Ubbelohde tube.

[0004] In summary, when detecting the purity of lubricating oil, it is necessary to sample different regions and depths of the lubricating oil storage device to avoid errors in the detection results caused by a single sampling point. At the same time, when detecting the purity of lubricating oil, multiple detection methods should be adopted to improve the accuracy of the detection results of lubricating oil purity.

[0005] Therefore, we propose a purity detection device for lubricating oil production. Summary of the Invention

[0006] Aiming at the deficiencies of the prior art, the present invention provides a purity detection device for lubricating oil production to solve the problems raised in the above background art.

[0007] To achieve the above object, the present invention provides the following technical solution: A purity detection device for lubricating oil production, including a detection mechanism. The detection mechanism includes a support frame. The outer wall of the support frame is fixedly connected with support feet. The top of the support frame is fixedly connected with a glass tube. One end of the glass tube away from the support frame is fixedly connected with a first connection block. The top of the first connection block is fixedly connected with a liquid inlet pipe. The top of the first connection block is fixedly connected with a second fixing rod. The inner wall of one end of the second fixing rod away from the first connection block is fixedly connected with the liquid inlet pipe. It further includes:

[0008] Sampling mechanism, including a fixed frame arranged outside the support frame, wherein a groove is provided on the inner wall of the fixed frame, the outer wall of the fixed frame is fixedly connected with a first hydraulic rod, the output end of the first hydraulic rod is provided with an auxiliary mechanism, and an adjusting mechanism is arranged inside the fixed frame. The adjusting mechanism includes a first sliding frame slidably connected with the fixed frame. The outer wall of the first sliding frame is fixedly connected with a servo motor, and the output end of the servo motor is fixedly connected with a driving wheel, and the driving wheel is rotatably connected to the inner wall of the groove.

[0009] According to the above technical solution, a driving motor is fixedly connected to the outer wall of the first sliding frame, the output end of the driving motor is fixedly connected with a rotating shaft, a second fixed shaft is fixedly connected to the inner wall of the first sliding frame, the outer surface of the rotating shaft is slidably connected with a second sliding frame, and the inner wall of the end of the second sliding frame away from the rotating shaft is slidably connected with the second fixed shaft. The second fixed shaft is used to improve the stability of the second sliding frame during movement.

[0010] According to the above technical solution, a second hydraulic rod is fixedly connected to the inner wall of the second sliding frame, a third fixed rod is fixedly connected to the outer wall of the second sliding frame, the inner wall of the third fixed rod is fixedly connected with the second hydraulic rod, the output end of the second hydraulic rod is fixedly connected with a first support rod, a first telescopic tube is fixedly connected to the inner wall of the first support rod, a fixed block is fixedly connected to the bottom outer wall of the first telescopic tube, and the fixed block is used to introduce lubricating oil on the same horizontal plane into the first telescopic tube.

[0011] According to the above technical solution, a second support rod is fixedly connected to the side of the second sliding frame close to the first telescopic tube, the inner wall of the second support rod is fixedly connected with the first telescopic tube, a second telescopic tube is fixedly connected to the end of the first telescopic tube away from the fixed block, the end of the second telescopic tube away from the first telescopic tube is fixedly connected with a liquid inlet pipe, and the first telescopic tube can descend to different depths under the action of the second hydraulic rod, so as to sample lubricating oil at different depths.

[0012] According to the above technical solution, the auxiliary mechanism includes a connecting frame fixedly connected to the output end of the first hydraulic rod. A first clamping rod is arranged on the outer wall of the connecting frame close to the fixed frame. A first fixed shaft is fixedly connected to the outer wall of the first clamping rod. The end of the first fixed shaft away from the first clamping rod penetrates through the connecting frame and is fixedly connected with a limiting plate. A first spring is fixedly connected to the outer wall of the limiting plate close to the first clamping rod. The end of the first spring away from the limiting plate is fixedly connected with the connecting frame. The first fixed shaft is used to improve the stability of the first clamping rod during sliding.

[0013] According to the above technical solution, a first rotating rod is rotatably connected to the inner wall of the connecting frame through a rotating shaft. One end of the first rotating rod away from the connecting frame is rotatably connected to a second clamping rod through a rotating shaft. One end of the second clamping rod away from the first rotating rod is fixedly connected to a second spring. One end of the second spring away from the second clamping rod is fixedly connected to the first rotating rod. A second rotating rod is rotatably connected to the inner wall of the first rotating rod through a rotating shaft. One end of the second rotating rod away from the first rotating rod is rotatably connected to the first clamping rod. The first clamping rod pulls the first rotating rod through the second rotating rod, so that the second clamping rod deflects at a certain angle under the action of the first rotating rod.

[0014] According to the above technical solution, a first fixing rod is fixedly connected to the outer wall of the top of the support frame. The number of the first fixing rods is two. A first connecting pipe is fixedly connected to the inner wall of the leftmost first fixing rod. One end of the first connecting pipe away from the first fixing rod is fixedly connected to the support frame. A viscosity detector is fixedly connected to one end of the first connecting pipe away from the support frame. The viscosity detector is used to detect the viscosity of the lubricating oil.

[0015] According to the above technical solution, a second connecting pipe is fixedly connected to the inner wall of the rightmost first fixing rod. One end of the second connecting pipe away from the first fixing rod is fixedly connected to the support frame. A flash point detector is fixedly connected to one end of the second connecting pipe away from the support frame. A detection light source is arranged on the top of the support frame. Second connecting blocks are fixedly connected to the outer walls of the upper and lower ends of the detection light source. One end of the second connecting block away from the detection light source is fixedly connected to the support frame and the first connecting block respectively. The detection light source is used to provide a light source for the glass tube, so as to facilitate the visual inspection of the lubricating oil flowing on the inner wall of the glass tube.

[0016] Compared with the prior art, the present invention provides a purity detection device for lubricating oil production, which has the following beneficial effects:

[0017] 1. By setting a purity detection device for lubricating oil production, when detecting the purity of lubricating oil, the sampling mechanism can sample different areas and depths in the lubricating oil storage device, so as to avoid errors in the detection results caused by a single sampling point. At the same time, when detecting the purity of lubricating oil, methods such as using a viscosity detector, a flash point detector and a detection light source to visually inspect the lubricating oil inside the glass tube are adopted, so as to improve the accuracy of the lubricating oil purity detection results.

[0018] 2. The present invention is provided with a detection mechanism. After the sampling mechanism injects lubricating oil into the liquid inlet pipe through the second telescopic pipe, the liquid inlet pipe diverts and injects the lubricating oil into the glass tube. At this time, the detection light source illuminates the area of the glass tube to visually inspect the lubricating oil inside the glass tube. After the visual inspection of the lubricating oil, it is respectively injected into the viscosity detector and the flash point detector through the first connecting pipe and the second connecting pipe, thereby improving the accuracy of the detection result of the lubricating oil purity.

[0019] 3. The present invention is provided with a sampling mechanism. The driving motor drives the second sliding frame to slide through the rotating shaft, and the servo motor drives the first sliding frame to slide along the inner wall of the fixed frame through the driving wheel. Subsequently, the second hydraulic rod extends the fixed block and the second telescopic pipe to different areas and depths of the lubricating oil storage device for sampling, thereby avoiding errors in the detection results caused by a single sampling point.

[0020] 4. The present invention is provided with an adjustment mechanism. The first hydraulic rod pulls the first sliding frames on both sides towards the fixed frame. The first clamping rod then pulls the second rotating rod, and the second rotating rod further pulls the first rotating rod, causing the second clamping rod to deflect at a certain angle under the action of the first rotating rod, thereby being able to clamp and fix the outer wall of the barrel storing the lubricating oil, thereby improving the stability during the sampling process. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is the overall front structural schematic diagram of the present invention;

[0022] Figure 2 is the exploded structural schematic diagram of the inspection mechanism of the present invention;

[0023] Figure 3 is the structural schematic diagram of the sampling mechanism of the present invention;

[0024] Figure 4 is the structural schematic diagram of the sampling mechanism of the present invention;

[0025] Figure 5 is the structural schematic diagram of the auxiliary mechanism of the present invention;

[0026] Figure 6 is the structural schematic diagram of the adjustment mechanism of the present invention;

[0027] Figure 7 is the structural schematic diagram of the adjustment mechanism of the present invention;

[0028] Figure 8 is of the present invention Figure 1 amplified structural schematic diagram of A therein.

[0029] In the figure: 1. Detection mechanism; 101. Support frame; 102. Support feet; 103. First fixing rod; 104. First connecting pipe; 105. Viscosity detector; 106. Second connecting pipe; 107. Flash point detector; 108. Glass tube; 109. First connecting block; 110. Liquid inlet pipe; 111. Second fixing rod; 112. Detection light source; 113. Second connecting block; 2. Sampling mechanism; 201. Fixing frame; 202. Groove; 203. First hydraulic rod; 204. Auxiliary mechanism; 2041. Connecting frame; 2042. First clamping rod; 2043. First fixed shaft; 2044. Limiting plate; 2045. First spring; 2046. First rotating rod; 2047. Second clamping rod; 2048. Second rotating rod; 2049. Second spring; 205. Adjusting mechanism; 2051. First sliding frame; 2052. Servo motor; 2053. Driving wheel; 2054. Driving motor; 2055. Rotating shaft; 2056. Second fixed shaft; 2057. Second sliding frame; 2058. Second hydraulic rod; 2059. Third fixing rod; 20510. First telescopic tube; 20511. Fixed block; 20512. First support rod; 20513. Second support rod; 20514. Second telescopic tube. Detailed implementation manners

[0030] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0031] Examples of the embodiments are shown in the accompanying drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the accompanying drawings are exemplary and are intended to explain the present invention, and should not be construed as a limitation to the present invention.

[0032] In the present invention, unless otherwise clearly defined and limited, terms such as "installation", "connection", "connection", "fixation" and other terms should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] Embodiment 1: Refer to Figure 1 - Figure 2, the present invention provides a technical solution: a purity detection device for lubricating oil production, including a detection mechanism 1. The detection mechanism 1 includes a support frame 101, the outer wall of the support frame 101 is fixedly connected with support feet 102, the top of the support frame 101 is fixedly connected with a glass tube 108, one end of the glass tube 108 away from the support frame 101 is fixedly connected with a first connection block 109, the top of the first connection block 109 is fixedly connected with a liquid inlet pipe 110, the top of the first connection block 109 is fixedly connected with a second fixing rod 111, and the inner wall of the end of the second fixing rod 111 away from the first connection block 109 is fixedly connected with the liquid inlet pipe 110. It further includes:

[0034] A sampling mechanism 2, including a fixing frame 201 arranged outside the support frame 101, a groove 202 is opened on the inner wall of the fixing frame 201, the outer wall of the fixing frame 201 is fixedly connected with a first hydraulic rod 203, the output end of the first hydraulic rod 203 is provided with an auxiliary mechanism 204, and an adjusting mechanism 205 is arranged inside the fixing frame 201. The adjusting mechanism 205 includes a first sliding frame 2051 slidably connected with the fixing frame 201, a servo motor 2052 is fixedly connected to the outer wall of the first sliding frame 2051, the output end of the servo motor 2052 is fixedly connected with a driving wheel 2053, and the driving wheel 2053 is rotatably connected to the inner wall of the groove 202. When detecting the purity of the lubricating oil, the sampling mechanism 2 can sample different areas and depths in the lubricating oil storage device, so as to avoid errors in the detection results caused by a single sampling point. At the same time, when detecting the purity of the lubricating oil, methods such as using a viscosity detector 105, a flash point detector 107, and a detection light source 112 to perform appearance detection on the lubricating oil inside the glass tube 108 are adopted, thereby improving the accuracy of the lubricating oil purity detection results.

[0035] The outer wall of the top of the support frame 101 is fixedly connected with a first fixing rod 103. The number of the first fixing rods 103 is two. The inner wall of the first fixing rod 103 on the left side is fixedly connected with a first connecting pipe 104. One end of the first connecting pipe 104 away from the first fixing rod 103 is fixedly connected with the support frame 101. One end of the first connecting pipe 104 away from the support frame 101 is fixedly connected with a viscosity detector 105, and the viscosity detector 105 is used to detect the viscosity of the lubricating oil.

[0036] The inner wall of the first fixing rod 103 on the right side is fixedly connected with a second connecting pipe 106. One end of the second connecting pipe 106 away from the first fixing rod 103 is fixedly connected with the support frame 101. One end of the second connecting pipe 106 away from the support frame 101 is fixedly connected with a flash point detector 107. A detection light source 112 is arranged at the top of the support frame 101. Second connecting blocks 113 are fixedly connected to the outer walls of the upper and lower ends of the detection light source 112. One ends of the second connecting blocks 113 away from the detection light source 112 are fixedly connected to the support frame 101 and the first connecting block 109 respectively. The detection light source 112 is used to provide a light source for the glass tube 108, so as to facilitate the visual inspection of the lubricating oil flowing on the inner wall of the glass tube 108.

[0037] The working principle of this embodiment is as follows: When detecting the purity of the lubricating oil, the sampling mechanism 2 samples different areas and depths in the lubricating oil storage device, so as to avoid errors in the detection results caused by a single sampling point. After the sampling mechanism 2 injects the lubricating oil into the liquid inlet pipe 110 through the second telescopic pipe 20514, the liquid inlet pipe 110 diverts the lubricating oil into the glass tube 108. At this time, the detection light source 112 illuminates the area of the glass tube 108 to visually inspect the internal lubricating oil. The lubricating oil that has completed the visual inspection is respectively injected into the viscosity detector 105 and the flash point detector 107 through the first connecting pipe 104 and the second connecting pipe 106, thereby further improving the accuracy of the detection results of the lubricating oil purity.

[0038] Embodiment Two: Please refer to Figure 3 - Figure 5 , on the basis of Embodiment One, the present invention provides a technical solution: The auxiliary mechanism 204 includes a connecting frame 2041 fixedly connected to the output end of the first hydraulic rod 203. A first clamping rod 2042 is arranged on the outer wall of the connecting frame 2041 close to the fixed frame 201. A first fixed shaft 2043 is fixedly connected to the outer wall of the first clamping rod 2042. The first fixed shaft 2043 is used to improve the stability of the first clamping rod 2042 during the sliding process. One end of the first fixed shaft 2043 away from the first clamping rod 2042 penetrates through the connecting frame 2041 and is fixedly connected with a limiting plate 2044. A first spring 2045 is fixedly connected to the outer wall of the limiting plate 2044 close to the first clamping rod 2042. One end of the first spring 2045 away from the limiting plate 2044 is fixedly connected to the connecting frame 2041.

[0039] The inner wall of the connecting frame 2041 is rotatably connected to a first rotating rod 2046 through a rotating shaft. One end of the first rotating rod 2046 away from the connecting frame 2041 is rotatably connected to a second clamping rod 2047 through a rotating shaft. One end of the second clamping rod 2047 away from the first rotating rod 2046 is fixedly connected to a second spring 2049. One end of the second spring 2049 away from the second clamping rod 2047 is fixedly connected to the first rotating rod 2046. The inner wall of the first rotating rod 2046 is rotatably connected to a second rotating rod 2048 through a rotating shaft. One end of the second rotating rod 2048 away from the first rotating rod 2046 is rotatably connected to the first clamping rod 2042. The first clamping rod 2042 pulls the first rotating rod 2046 through the second rotating rod 2048, so that the second clamping rod 2047 deflects at a certain angle under the action of the first rotating rod 2046.

[0040] The working principle of this embodiment is as follows: The first hydraulic rod 203 pulls the first sliding frames 2051 on both sides towards the fixed frame 201, so that the first clamping rod 2042 pulls the second rotating rod 2048, and then the second rotating rod 2048 pulls the first rotating rod 2046, prompting the second clamping rod 2047 to deflect at a certain angle under the action of the first rotating rod 2046. At the same time, the second clamping rod 2047 can be adjusted according to the outer wall radian of the lubricating oil barrel under the action of the second elastic member, so as to realize clamping and fixing of the outer wall of the stored lubricating oil barrel, thereby improving the stability during the sampling process.

[0041] Embodiment 3: Please refer to Figure 6 - Figure 8 , on the basis of Embodiment 2, the present invention provides a technical solution: A driving motor 2054 is fixedly connected to the outer wall of the first sliding frame 2051. The output end of the driving motor 2054 is fixedly connected to a rotating shaft 2055. A second fixed shaft 2056 is fixedly connected to the inner wall of the first sliding frame 2051. The second fixed shaft 2056 is used to improve the stability of the second sliding frame 2057 during movement. The outer surface of the rotating shaft 2055 is slidably connected to a second sliding frame 2057. One end of the second sliding frame 2057 away from the rotating shaft 2055 is slidably connected to the second fixed shaft 2056 at the inner wall.

[0042] A second hydraulic rod 2058 is fixedly connected to the inner wall of the second sliding frame 2057. A third fixed rod 2059 is fixedly connected to the outer wall of the second sliding frame 2057. The inner wall of the third fixed rod 2059 is fixedly connected to the second hydraulic rod 2058. The output end of the second hydraulic rod 2058 is fixedly connected to a first support rod 20512. A first telescopic tube 20510 is fixedly connected to the inner wall of the first support rod 20512. A fixed block 20511 is fixedly connected to the bottom outer wall of the first telescopic tube 20510. The fixed block 20511 is used to introduce the lubricating oil on the same horizontal plane into the first telescopic tube 20510.

[0043] On one side of the second sliding frame 2057 close to the first telescopic tube 20510, a second support rod 20513 is fixedly connected. The inner wall of the second support rod 20513 is fixedly connected to the first telescopic tube 20510. The first telescopic tube 20510 can descend to different depths under the action of the second hydraulic rod 2058, so as to sample lubricating oil at different depths. One end of the first telescopic tube 20510 far from the fixed block 20511 is fixedly connected to a second telescopic tube 20514. One end of the second telescopic tube 20514 far from the first telescopic tube 20510 is fixedly connected to the liquid inlet pipe 110.

[0044] The working principle of this embodiment is as follows: The driving motor 2054 drives the second sliding frame 2057 to slide by means of the rotating shaft 2055. The servo motor 2052 makes the first sliding frame 2051 slide along the inner wall of the fixed frame 201 through the driving wheel 2053. Then, the second hydraulic rod 2058 is used to extend the fixed block 20511 and the second telescopic tube 20514 to different areas and depths of the lubricating oil storage device for sampling. The lubricating oil is sucked into the fixed block 20511 by the water pump, and then the lubricating oil in the fixed block 20511 is injected into the second telescopic tube 20514 by the first telescopic tube 20510. Finally, the second telescopic tube 20514 injects the lubricating oil into the liquid inlet pipe 110, so as to avoid errors in the detection results caused by a single sampling point.

[0045] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variation thereof is intended to cover a non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0046] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A purity detection device for lubricating oil production, including a detection mechanism (1), the detection mechanism (1) includes a support frame (101), the outer wall of the support frame (101) is fixedly connected with support feet (102), the top of the support frame (101) is fixedly connected with a glass tube (108), one end of the glass tube (108) away from the support frame (101) is fixedly connected with a first connection block (109), the top of the first connection block (109) is fixedly connected with a liquid inlet pipe (110), the top of the first connection block (109) is fixedly connected with a second fixing rod (111), and the inner wall of one end of the second fixing rod (111) away from the first connection block (109) is fixedly connected with the liquid inlet pipe (110), characterized in that, It also includes: A sampling mechanism (2), including a fixed frame (201) arranged outside the support frame (101). A groove (202) is provided on the inner wall of the fixed frame (201). A first hydraulic rod (203) is fixedly connected to the outer wall of the fixed frame (201). An auxiliary mechanism (204) is arranged at the output end of the first hydraulic rod (203). An adjustment mechanism (205) is arranged inside the fixed frame (201). The adjustment mechanism (205) includes a first sliding frame (2051) slidably connected to the fixed frame (201). A servo motor (2052) is fixedly connected to the outer wall of the first sliding frame (2051). A driving wheel (2053) is fixedly connected to the output end of the servo motor (2052). The driving wheel (2053) is rotatably connected to the inner wall of the groove (202).

2. The purity detection device for lubricating oil production according to claim 1, characterized in that: A driving motor (2054) is fixedly connected to the outer wall of the first sliding frame (2051). A rotating shaft (2055) is fixedly connected to the output end of the driving motor (2054). A second fixed shaft (2056) is fixedly connected to the inner wall of the first sliding frame (2051). A second sliding frame (2057) is slidably connected to the outer surface of the rotating shaft (2055). The inner wall of the end of the second sliding frame (2057) far from the rotating shaft (2055) is slidably connected to the second fixed shaft (2056).

3. The purity detection device for lubricant production according to claim 2, wherein: A second hydraulic rod (2058) is fixedly connected to the inner wall of the second sliding frame (2057). A third fixed rod (2059) is fixedly connected to the outer wall of the second sliding frame (2057). The inner wall of the third fixed rod (2059) is fixedly connected to the second hydraulic rod (2058). A first support rod (20512) is fixedly connected to the output end of the second hydraulic rod (2058). A first telescopic tube (20510) is fixedly connected to the inner wall of the first support rod (20512). A fixed block (20511) is fixedly connected to the bottom outer wall of the first telescopic tube (20510).

4. The purity detection device for lubricating oil production according to claim 3, wherein: A second support rod (20513) is fixedly connected to the side of the second sliding frame (2057) close to the first telescopic tube (20510). The inner wall of the second support rod (20513) is fixedly connected to the first telescopic tube (20510). A second telescopic tube (20514) is fixedly connected to the end of the first telescopic tube (20510) far from the fixed block (20511). The end of the second telescopic tube (20514) far from the first telescopic tube (20510) is fixedly connected to the liquid inlet pipe (110).

5. The purity detection device for lubricating oil production according to claim 1, characterized in that: The auxiliary mechanism (204) includes a connecting frame (2041) fixedly connected to the output end of the first hydraulic rod (203). On the outer wall of the side of the connecting frame (2041) close to the fixed frame (201), there is a first clamping rod (2042). On the outer wall of the first clamping rod (2042), there is a first fixed shaft (2043) fixedly connected. One end of the first fixed shaft (2043) far from the first clamping rod (2042) penetrates through the connecting frame (2041) and is fixedly connected with a limit plate (2044). On the outer wall of the side of the limit plate (2044) close to the first clamping rod (2042), there is a first spring (2045) fixedly connected. One end of the first spring (2045) far from the limit plate (2044) is fixedly connected with the connecting frame (2041).

6. The purity detection device for lubricating oil production according to claim 5, characterized in that: Inside the wall of the connecting frame (2041), there is a first rotating rod (2046) rotatably connected through a rotating shaft. One end of the first rotating rod (2046) far from the connecting frame (2041) is rotatably connected with a second clamping rod (2047) through a rotating shaft. One end of the second clamping rod (2047) far from the first rotating rod (2046) is fixedly connected with a second spring (2049). One end of the second spring (2049) far from the second clamping rod (2047) is fixedly connected with the first rotating rod (2046). Inside the wall of the first rotating rod (2046), there is a second rotating rod (2048) rotatably connected through a rotating shaft. One end of the second rotating rod (2048) far from the first rotating rod (2046) is rotatably connected with the first clamping rod (2042).

7. The purity detection device for lubricating oil production according to claim 1, wherein: On the top outer wall of the support frame (101), there is a first fixed rod (103). The number of the first fixed rods (103) is two. Inside the wall of the first fixed rod (103) on the left side, there is a first connecting pipe (104) fixedly connected. One end of the first connecting pipe (104) far from the first fixed rod (103) is fixedly connected with the support frame (101). One end of the first connecting pipe (104) far from the support frame (101) is fixedly connected with a viscosity detector (105).

8. An apparatus for purity detection in the production of lubricating oil according to claim 7, characterized in that: Inside the wall of the first fixed rod (103) on the right side, there is a second connecting pipe (106) fixedly connected. One end of the second connecting pipe (106) far from the first fixed rod (103) is fixedly connected with the support frame (101). One end of the second connecting pipe (106) far from the support frame (101) is fixedly connected with a flash point detector (107). On the top of the support frame (101), there is a detection light source (112). On the outer walls of the upper and lower ends of the detection light source (112), there are second connecting blocks (113) fixedly connected. One end of the second connecting block (113) far from the detection light source (112) is respectively fixedly connected with the support frame (101) and the first connecting block (109).

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