Method and device for detecting oil content of polymer rope core steel wire rope

Abstract

The invention discloses a method and a device for detecting the oil content of a polymer rope core steel wire rope, and the method comprises the following steps: separating the material of the steel wire rope, recording the original data of a measuring cup on an electronic scale, weighing the mass of a polymer rope core and the mass of a steel wire strand respectively, and recording; and after secondary weighing and completion of detection and recording of two groups of data, taking out the heater, opening the cold air sheet, keeping low temperature, pouring n-heptane into the two measuring cups by using a funnel, dissolving grease in the polymer rope core and the steel wire strand by using the n-heptane, and then taking out the water in the polymer rope core and the steel wire strand by using the cold air sheet. And then, the n-heptane with the grease flows out, the redundant n-heptane is volatilized, the mass of the polymer rope core and the mass of the steel wire strand rope are weighed and recorded for the third time, different sets of data are tested, and the oil content of the steel wire rope can be measured and calculated. The oil content measuring device has the beneficial effects that the oil content of the steel wire rope made of various materials can be measured at the same time, and the measuring efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field related to road detection, and in particular to a method and a device for detecting the oil content of a polymer core steel wire rope. Background Art

[0002] The elevator car needs to carry people and heavy objects, and its wire rope is subjected to enormous force. If the oil content of the wire rope is insufficient, it will accelerate its rust and wear, seriously endangering construction safety. If the oil content of the wire rope is too much, it will cause a waste of corresponding lubricating oil. However, the existing wire ropes are made of a variety of materials. A single detection method is inaccurate, and repeated operations are troublesome.

[0003] The Chinese patent publication number is CN111337378A, and the authorization publication date is June 26, 2020. It discloses a crane wire rope oil content rapid detection device, including a machine base, a weight sensing seat is fixedly provided on the machine base, and a pressure sensing cavity is symmetrically provided in the weight sensing seat with an upward opening, and a load-bearing slide bar is slidably provided in the pressure sensing cavity, and a working box is fixedly connected to the upper end of the load-bearing slide bar, and a pressure sensor is fixedly connected to the lower end of the load-bearing slide bar, and a measuring cavity is provided in the working box. After the sample to be tested for the oil content of the crane wire rope is placed in the measuring cavity and clamped by a clamp, the present invention can measure the mass of the sample at each stage in the measuring cavity through a sensitive pressure sensor, and eliminates the influence of the wire rope absorbing water due to moisture resurgence, and quickly and accurately measures the oil content of the sample. The shortcoming of this invention is that the oil content of wire ropes of multiple materials cannot be measured at the same time. Summary of the invention

[0004] The present invention aims to overcome the shortcomings of the prior art that the oil content of steel wire ropes made of multiple materials cannot be measured simultaneously and the measurement efficiency is low, and provides a polymer core steel wire rope oil content detection method and device that can simultaneously measure the oil content of steel wire ropes made of multiple materials and improve the measurement efficiency.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions: A polymer core steel wire rope oil content detection device, comprising: An operation box is placed on the outer side of the detection device; Two cavities are placed in the operation box, and one side surface of the two cavities in the operation box is made of transparent material; Two electronic scales are placed in the two cavities respectively, and the electronic scales are fixedly connected to the bottom surface of the cavity; Two measuring cups are placed on the upper end surfaces of two electronic scales respectively; A box cover is placed on the upper end surface of the operation box, and the box cover is snap-connected with the upper end surface of the operation box; A pressure cover is placed on the upper end surface of the measuring cup, the pressure cover corresponds to the measuring cup one by one and is clamped with the upper end surface of the measuring cup; A funnel is placed on the upper end surface of the box cover, and the lower end of the funnel passes through the box cover and the pressure cover and is placed in the measuring cup. The funnel is respectively clamped with the box cover and the pressure cover; A heater is placed on the upper end surface of the box cover, the lower end of the heater passes through the box cover and is placed in the measuring cup, and the heater is clamped with the box cover; A plurality of cooling air sheets are respectively arranged on the inner walls of the two cavities, and the cooling air sheets are respectively fixedly connected to the inner walls of the two cavities.

[0006] When in use, first separate the steel wire rope into the polymer core and the steel strands, then place two measuring cups in the two cavities in the operating box, record the original data of the measuring cups on the electronic scale, then weigh the masses of the polymer core and the steel strands and record them, then close the box cover, place the heater in the two cavities, and at the same time evaporate the moisture in the polymer core and the steel strands at a temperature that matches the material properties, then weigh the masses of the polymer core and the steel strands and record them, after completing the two sets of data detection and recording, take out the heater, Turn on the air conditioner to maintain the low temperature, put pressure covers on the two measuring cups, pour n-heptane into the two measuring cups with a funnel, dissolve the grease in the polymer rope core and the steel wire strands with n-heptane, then let the n-heptane with grease flow out, and use a heater to evaporate the excess n-heptane. Weigh the mass of the polymer rope core and the steel wire strands separately for the last time and record them. The oil content of the steel wire rope can be calculated with the different groups of data tested, thus achieving the purpose of measuring the oil content of steel wire ropes of various materials at the same time and improving the measurement efficiency.

[0007] Preferably, the electronic scale is provided with a display screen, which is fixedly connected to the side of the electronic scale, and the direction of the display screen is the same as the side of the transparent material in the cavity. The direction of the display screen is on one side of the transparent material, which is convenient for observing data in a confined space.

[0008] Preferably, a liquid outlet pipe is provided on the side of the measuring cup, the liquid outlet pipe is fixedly connected to the lowermost end of the measuring cup, the liquid outlet pipe is communicated with the interior of the measuring cup, and the lower end of the liquid outlet pipe passes through the inner wall of the operation box and is placed outside the operation box. The liquid outlet pipe passes outside the operation box to facilitate the discharge of n-heptane.

[0009] Preferably, a soft plug is provided at the lower end of the liquid outlet pipe, one end of the soft plug is placed outside the liquid outlet pipe, the other end of the soft plug is placed inside the liquid outlet pipe, and the soft plug contacts the inner wall of the liquid outlet pipe. The soft plug is convenient for blocking the liquid outlet pipe when the measuring cup needs to store liquid.

[0010] Preferably, the box cover is provided with two through holes 1, which correspond to the positions of the two measuring cups respectively, the funnel is placed in the measuring cup after passing through the through hole 1 and the pressure cover, and the heater is placed in the measuring cup after passing through the through hole 1. The through hole 1 facilitates the funnel and the heater to extend into the box cover when the box cover is closed.

[0011] Preferably, the through hole 1 is provided with a plurality of soft films 1, the soft films are evenly distributed in the through hole 1, and the plurality of soft films 1 form a whole circle, the outer side of the soft film 1 is fixedly connected to the inner wall of the through hole 1, and the funnel and the heater are both connected to the box cover through the soft film 1. The soft film 1 is convenient for increasing the sealing performance, and even if the through hole 1 is not used, it will not affect the internal situation of the operating box.

[0012] Preferably, the gland is provided with a second through hole, the second through hole corresponding to the first through hole, and the funnel is placed in the measuring cup after passing through the first through hole and the second through hole. The second through hole facilitates the funnel to extend into the measuring cup when the gland is covered.

[0013] Preferably, the through hole 2 is provided with a plurality of soft films 2, the soft films 2 are evenly distributed in the through hole 2, and the plurality of soft films 2 form a whole circle, the outer side of the soft films 2 is fixedly connected to the inner wall of the through hole 2, and the funnel is connected to the gland through the soft films 2. The soft films 2 are convenient for increasing the sealing performance, and even if the through hole 2 is not used, it will not affect the internal condition of the measuring cup.

[0014] Preferably, two thermometers are provided on the gland, the thermometers correspond to the measuring cups one by one, and the thermometers are fixedly connected to the upper end surface of the gland. The thermometers are convenient for confirming the conditions inside the operating box, can actively regulate the temperature, and reduce dangerous situations.

[0015] The present invention also provides a method for detecting the oil content of a polymer core steel wire rope, which specifically comprises the following steps: S1. First, separate the steel wire rope into a polymer core and a steel strand rope, then place two measuring cups in two cavities in the operating box, record the original data of the measuring cups on the electronic scale, and then weigh the mass of the polymer core and the steel strand rope respectively and record them; S2. Cover the box lid and place the heater in the two cavities. At the same time, evaporate the water in the polymer rope core and the steel wire rope at a temperature that matches the material properties. Then weigh the mass of the polymer rope core and the steel wire rope and record them respectively. S3. After completing step S1 and step S2, take out the heater, turn on the air conditioner to keep the temperature low, cover the two measuring cups with glands, pour n-heptane into the two measuring cups with a funnel, and use n-heptane to dissolve the grease in the polymer rope core and the steel wire rope; S4. Open the soft plug on the liquid outlet pipe to let the n-heptane with grease flow out, and then use a heater to evaporate the excess n-heptane. Finally, weigh the mass of the polymer rope core and the steel wire rope and record them respectively. S5. The oil content of the steel wire rope can be calculated based on the different data tested in step S1, step S2 and step S4.

[0016] The present invention also provides a method for detecting the oil content of a polymer core steel wire rope, which can detect steel wire ropes of various materials at the same time, improve efficiency, ensure temperature control, and improve detection safety.

[0017] The beneficial effects of the present invention are as follows: the oil content of steel wire ropes made of various materials can be measured simultaneously, thereby improving the measurement efficiency; the display screen is oriented on the side of the transparent material, thereby facilitating the observation of data in a confined space; the liquid outlet pipe is passed through the outside of the operating box, thereby facilitating the release of n-heptane; the soft plug is convenient for blocking the liquid outlet pipe when the measuring cup needs to store liquid; the through hole one is convenient for the funnel and the heater to extend therein when the box cover is covered; the soft film one is convenient for increasing the sealing performance, and even if the through hole one is not used, the internal condition of the operating box will not be affected; the through hole two is convenient for the funnel to extend therein when the pressure cover is covered; the soft film two is convenient for increasing the sealing performance, and even if the through hole two is not used, the internal condition of the measuring cup will not be affected; the thermometer is convenient for confirming the internal condition of the operating box, and can actively adjust the temperature to reduce dangerous conditions; steel wire ropes made of various materials can be detected simultaneously, thereby improving efficiency, ensuring temperature control, and improving the safety of detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 is a cross-sectional view of the front view of the present invention; Figure 3 yes Figure 2 An enlarged view of detail A; Figure 4 yes Figure 2 An enlarged view of detail B; Figure 5 yes Figure 2 Detail of C.

[0019] In the figure: 1. operating box, 2. electronic scale, 3. measuring cup, 4. box cover, 5. cavity, 6. pressure cover, 7. funnel, 8. heater, 9. cooling plate, 10. display screen, 11. liquid outlet pipe, 12. soft plug, 13. through hole 1, 14. soft film 1, 15. through hole 2, 16. soft film 2, 17. thermometer. DETAILED DESCRIPTION

[0020] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments.

[0021] like Figure 1 and Figure 2As shown, a polymer core steel wire rope oil content detection device comprises: an operation box 1, which is placed on the outer side of the detection device; Two cavities 5 are placed in the operation box 1, and one side surface of the two cavities 5 in the operation box 1 is made of transparent material; Two electronic scales 2 are respectively placed in the two cavities 5, and the electronic scales 2 are fixedly connected to the bottom surface of the cavity 5; Two measuring cups 3 are placed on the upper end surfaces of two electronic scales respectively; The box cover 4 is placed on the upper end surface of the operation box 1, and the box cover 4 is snap-connected with the upper end surface of the operation box 1; The pressure cover 6 is placed on the upper end surface of the measuring cup 3, and the pressure cover 6 corresponds to the measuring cup 3 one by one and is clamped with the upper end surface of the measuring cup 3; The funnel 7 is placed on the upper end surface of the box cover 4, and the lower end of the funnel 7 passes through the box cover 4 and the pressure cover 6 and is placed in the measuring cup 3, and the funnel 7 is respectively clamped with the box cover 4 and the pressure cover 6; The heater 8 is placed on the upper end surface of the box cover 4, and the lower end of the heater 8 passes through the box cover 4 and is placed in the measuring cup 3, and the heater 8 is clamped with the box cover 4; A plurality of cooling fins 9 are respectively placed on the inner walls of the two cavities 5 , and the cooling fins 9 are respectively fixedly connected to the inner walls of the two cavities 5 .

[0022] like Figure 1 As shown, a display screen 10 is provided on the electronic scale 2 , and the display screen 10 is fixedly connected to the side of the electronic scale 2 , and the direction of the display screen 10 is the same as the direction of one side of the transparent material in the cavity 5 .

[0023] like Figure 1 , Figure 2 and Figure 5 As shown, a liquid outlet pipe 11 is provided on the side of the measuring cup 3, and the liquid outlet pipe 11 is fixedly connected to the lower end of the measuring cup 3. The liquid outlet pipe 11 is connected to the interior of the measuring cup 3, and the lower end of the liquid outlet pipe 11 passes through the inner wall of the operation box 1 and is placed on the outside of the operation box 1.

[0024] like Figure 1 , Figure 2 and Figure 5 As shown, a soft plug 12 is provided at the lower end of the liquid outlet pipe 11 , one end of the soft plug 12 is placed outside the liquid outlet pipe 11 , and the other end of the soft plug 12 is placed inside the liquid outlet pipe 11 , and the soft plug 12 contacts the inner wall of the liquid outlet pipe 11 .

[0025] like Figure 2 and Figure 3 As shown, two through holes 13 are provided on the box cover 4, and the through holes 13 correspond to the positions of the two measuring cups 3 respectively. The funnel 7 passes through the through hole 13 and the pressure cover 6 and is placed in the measuring cup 3. The heater 8 passes through the through hole 13 and is placed in the measuring cup 3.

[0026] like Figure 3 As shown, a plurality of soft films 14 are provided on the through hole 13, and the soft films are evenly distributed in the through hole 13. The plurality of soft films 14 form a whole circle, and the outer side surface of the soft film 14 is fixedly connected to the inner wall of the through hole 13. The funnel 7 and the heater 8 are both connected to the box cover 4 through the soft film 14.

[0027] like Figure 2 and Figure 4 As shown, the pressure cover 6 is provided with a second through hole 15 , which corresponds to the first through hole 13 , and the funnel 7 is placed in the measuring cup 3 after passing through the first through hole 13 and the second through hole 15 .

[0028] like Figure 4 As shown, a plurality of soft films 16 are provided on the through hole 15, and the soft films 16 are evenly distributed in the through hole 15, and the plurality of soft films 16 form a whole circle. The outer side surface of the soft films 16 is fixedly connected to the inner wall of the through hole 15, and the funnel 7 is clamped with the pressure cover 6 through the soft films 16. like Figure 1 As shown, two thermometers 17 are provided on the pressure cover 6, and the thermometers 17 correspond to the measuring cups 3 one by one, and the thermometers 17 are fixedly connected to the upper end surface of the pressure cover 6.

[0029] like Figures 1 to 5 As shown, the present invention also provides a method for detecting the oil content of a polymer core steel wire rope, which specifically comprises the following steps: S1. First, separate the steel wire rope into the polymer core and the steel strands, then place two measuring cups 3 in the two cavities 5 in the operating box 1, record the original data of the measuring cups 3 on the electronic scale 2, and then weigh the masses of the polymer core and the steel strands and record them respectively; S2, cover the box cover 4, place the heater 8 in the two cavities 5, and evaporate the water in the polymer rope core and the steel wire rope at a temperature that matches the material properties, and then weigh the mass of the polymer rope core and the steel wire rope respectively and record it; S3. After completing step S1 and step S2, take out the heater 8, turn on the cooling plate 9, keep the temperature low, cover the two measuring cups 3 with the pressure cover 6, pour n-heptane into the two measuring cups 3 with the funnel 7, and dissolve the grease in the polymer rope core and the steel wire rope with the n-heptane; S4, open the soft plug 12 on the liquid outlet pipe 11, let the n-heptane with grease flow out, then use the heater 8 to volatilize the excess n-heptane, and weigh the mass of the polymer rope core and the steel wire rope for the last time and record them; S5. The oil content of the steel wire rope can be calculated based on the different data tested in step S1, step S2 and step S4.

[0030] The operation steps of the present invention are as follows: the first step is to separate the steel wire rope into a polymer rope core and a steel wire strand rope, and then place two measuring cups 3 in two cavities 5 in the operating box 1, record the original weight of the measuring cups 3 on the display screen 10 of the electronic scale 2, and then weigh and record the masses of the polymer rope core and the steel wire strand rope respectively; the second step is to cover the box cover 4, let the heater 8 pass through the through hole 13 and then be placed in the two cavities 5, and at the same time evaporate the moisture in the polymer rope core and the steel wire strand rope at a temperature that meets the material properties, and then weigh and record the masses of the polymer rope core and the steel wire strand rope respectively; the third step is to take out the heater 8 after completing the two sets of data detection and recording, close the soft film 14 in the through hole 13, increase the sealing of the operating box 1, open the cold air sheet 9, observe the thermometer 17, and keep At low temperature, cover the two measuring cups 3 with the pressure cover 6, pass the funnel 7 through the through hole 13 and the through hole 2 15 and place it in the measuring cup 3, then pour the n-heptane into the two measuring cups 3 along the funnel 7, then take out the funnel 7, the soft film 2 16 will seal the through hole 2 15, and the n-heptane in the measuring cup 3 will dissolve the grease in the polymer rope core and the steel wire strands; the fourth step, open the soft plug 12 on the liquid outlet pipe 11, let the n-heptane melted with grease flow out, and then use the heater 8 to volatilize the excess n-heptane, and weigh the mass of the polymer rope core and the steel wire strands respectively for the last time and record them; the fifth step, use the different groups of data tested in the first step, the second step and the fourth step to calculate the oil content of the steel wire rope, so as to achieve the purpose of being able to simultaneously measure the oil content of steel wire ropes with multiple materials and improve the measurement efficiency.

Claims

1. A polymer core steel wire rope oil content detection device, characterized in that: include: An operation box (1) is placed on the outer side of the detection device; Two cavities (5) are both placed in the operation box (1), and one side surface of the two cavities (5) in the operation box (1) is made of a transparent material; Two electronic scales (2) are respectively placed in two cavities (5), and the electronic scales (2) are fixedly connected to the bottom surface of the cavity (5); Two measuring cups (3), respectively placed on the upper end surfaces of two electronic scales; A box cover (4) is placed on the upper end surface of the operation box (1), and the box cover (4) is snap-connected with the upper end surface of the operation box (1); A pressure cover (6) is placed on the upper end surface of the measuring cup (3), the pressure cover (6) corresponds to the measuring cup (3) one by one and is snap-fitted to the upper end surface of the measuring cup (3); A funnel (7) is placed on the upper end surface of the box cover (4), the lower end of the funnel (7) passes through the box cover (4) and the pressure cover (6) and is placed in the measuring cup (3), and the funnel (7) is respectively clamped with the box cover (4) and the pressure cover (6); The heater (8) is placed on the upper end surface of the box cover (4), the lower end of the heater (8) passes through the box cover (4) and is placed in the measuring cup (3), and the heater (8) is snap-connected with the box cover (4); A plurality of cooling fins (9) are respectively placed on the inner walls of the two cavities (5), and the cooling fins (9) are respectively fixedly connected to the inner walls of the two cavities (5).

2. The device for detecting oil content in a polymer core steel wire rope according to claim 1, characterized in that: The electronic scale (2) is provided with a display screen (10), the display screen (10) is fixedly connected to a side surface of the electronic scale (2), and the direction of the display screen (10) is the same direction as a side surface of the transparent material in the cavity (5).

3. The device for detecting oil content in a polymer core steel wire rope according to claim 1, characterized in that: A liquid outlet pipe (11) is provided on the side of the measuring cup (3), the liquid outlet pipe (11) is fixedly connected to the lowermost end of the measuring cup (3), the liquid outlet pipe (11) is communicated with the interior of the measuring cup (3), and the lower end of the liquid outlet pipe (11) passes through the inner wall of the operation box (1) and is placed outside the operation box (1).

4. The device for detecting oil content in a polymer core steel wire rope according to claim 3 is characterized in that: A soft plug (12) is provided at the lower end of the liquid outlet pipe (11), one end of the soft plug (12) is placed outside the liquid outlet pipe (11), the other end of the soft plug (12) is placed inside the liquid outlet pipe (11), and the soft plug (12) is in contact with the inner wall of the liquid outlet pipe (11).

5. The device for detecting oil content in a polymer core steel wire rope according to claim 1, characterized in that: The box cover (4) is provided with two through holes (13), the through holes (13) respectively corresponding to the positions of the two measuring cups (3), the funnel (7) passes through the through hole (13) and the pressure cover (6) and is placed in the measuring cup (3), and the heater (8) passes through the through hole (13) and is placed in the measuring cup (3).

6. The device for detecting oil content in a polymer core steel wire rope according to claim 5, characterized in that: The through hole one (13) is provided with a plurality of soft films one (14), the soft films are evenly distributed in the through hole one (13), the plurality of soft films one (14) form a whole circle, the outer side surface of the soft film one (14) is fixedly connected to the inner wall of the through hole one (13), and the funnel (7) and the heater (8) are both clamped with the box cover (4) through the soft film one (14).

7. The device for detecting oil content in a polymer core steel wire rope according to claim 5, characterized in that: The gland (6) is provided with a second through hole (15), the second through hole (15) corresponding to the first through hole (13), and the funnel (7) is placed in the measuring cup (3) after passing through the first through hole (13) and the second through hole (15).

8. The device for detecting oil content in a polymer core steel wire rope according to claim 7, characterized in that: The through hole 2 (15) is provided with a plurality of soft films 2 (16), the soft films 2 (16) are evenly distributed in the through hole 2 (15), and the plurality of soft films 2 (16) form a whole circle. The outer side surface of the soft films 2 (16) is fixedly connected to the inner wall of the through hole 2 (15), and the funnel (7) is clamped with the pressure cover (6) through the soft films 2 (16).

9. The device for detecting oil content in a polymer core steel wire rope according to claim 5, characterized in that: The gland (6) is provided with two thermometers (17), the thermometers (17) corresponding to the measuring cups (3) one by one, and the thermometers (17) are fixedly connected to the upper end surface of the gland (6).

10. A method for detecting oil content in a polymer core steel wire rope according to claims 1-9, characterized in that: The specific steps are as follows: S1. First, separate the steel wire rope into a polymer core and a steel strand rope, then place two measuring cups (3) in two cavities (5) in the operating box (1), record the original data of the measuring cups (3) on the electronic scale (2), and then weigh and record the mass of the polymer core and the steel strand rope respectively; S2, close the box cover (4), place the heater (8) in the two cavities (5), and evaporate the water in the polymer rope core and the steel wire rope at a temperature that matches the material properties, and then weigh the mass of the polymer rope core and the steel wire rope respectively and record it; S3. After completing step S1 and step S2, remove the heater (8), turn on the cooling plate (9), maintain low temperature, cover the two measuring cups (3) with a pressure cover (6), use a funnel (7) to pour n-heptane into the two measuring cups (3), and use the n-heptane to dissolve the grease in the polymer rope core and the steel wire rope; S4. Open the soft plug (12) on the liquid outlet pipe (11) to allow the n-heptane containing grease to flow out, and then use the heater (8) to evaporate the excess n-heptane. Finally, weigh the mass of the polymer rope core and the steel wire rope and record the mass. S5. The oil content of the steel wire rope can be calculated based on the different data tested in step S1, step S2 and step S4.

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