CN109114324B - Quick connecting device of oil pipeline of electric oil injection machine - Google Patents
Quick connecting device of oil pipeline of electric oil injection machine Download PDFInfo
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- CN109114324B CN109114324B CN201811096329.7A CN201811096329A CN109114324B CN 109114324 B CN109114324 B CN 109114324B CN 201811096329 A CN201811096329 A CN 201811096329A CN 109114324 B CN109114324 B CN 109114324B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L21/00—Joints with sleeve or socket
- F16L21/06—Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe-ends
- F16L21/065—Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe-ends tightened by tangentially-arranged threaded pins
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/002—Methods
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
- B29C43/24—Calendering
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/709—Articles shaped in a closed loop, e.g. conveyor belts
- B29L2031/7096—Rings or ring-like articles
- B29L2031/7098—Washers
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Abstract
The invention discloses a quick connecting device for an oil pipeline of an electric oil filling machine, which relates to the technical field of pipeline connection, which comprises a first connecting seat, a second connecting seat and a fixing device, wherein the first connecting seat is connected with the second connecting seat through the fixing device, the edges of the first connecting seat and the second connecting seat are respectively provided with an annular groove, a rubber gasket is arranged in the annular groove, the first connecting seat is connected with an oil inlet pipe, the end part of the oil inlet pipe penetrates through the first connecting seat, the second connecting seat is connected with the oil outlet pipe, the end part of the oil outlet pipe is arranged in a through hole at the center of the second connecting seat, the fixing device comprises a first clamping piece and a second clamping piece, one end of the first clamping piece is connected with one end of the second clamping piece through a hinge, the other end of the first clamping piece is hinged with a locking bolt, the other end of the second clamping piece is provided with an opening, and the first clamping piece and the second clamping piece are fixedly connected through the locking bolt. The quick connecting device for the oil pipeline of the electric oil filling machine is quick and convenient to connect, stable and reliable in connection and high in pressure bearing.
Description
Technical Field
The invention relates to the technical field of pipeline connection, in particular to a quick connecting device for an oil pipeline of an electric oil injection machine.
Background
The electrical equipment of the substation needs to be maintained according to the period specified by the regulations, and part of the maintenance work relates to the use of water pipes or oil pipes in the process of maintaining the equipment. For example: when the transformer primary equipment is washed by water, a water pipe is needed; when oil affair processing is carried out on primary equipment of the transformer, an oil pipe is needed. No matter water pipes or oil pipes are used, the problem of pipeline connection exists, and the traditional connection method is still adopted for the pipeline connection at the operation site at present: two workers are used for sleeving and stacking one end of an oil filling machine pipeline with a metal iron pipe respectively, binding the end by using iron wires, connecting the end with an oil filling port of a main transformer by using screws, and connecting the other end of the pipeline with an oil outlet of the oil filling machine by using the same method to complete the connection of the oil filling port of the main transformer and the oil outlet of the oil filling machine; and according to the method, the oil outlet of the main transformer is connected with the oil inlet of the oil filling machine by using the other oil filling machine pipeline. The connection method needs two workers, the operation process is complex, the time is long, unsafe factors such as oil leakage and the like easily occur at the connection port of the oil pipeline in the oil filtering and hot oil circulating process, and the connection method is inconvenient to disassemble after connection.
The patent document with publication number CN 107725920A discloses a simple and quick connection device for oil filter pipelines, which comprises a first connection seat and a second connection seat, wherein the inner side of the second connection seat is provided with internal threads, one side of the first connection seat is provided with a fixed pipe and a sealing pipe, the sealing pipe is positioned at the inner side of the fixed pipe, the end part of the sealing pipe is provided with a first sealing gasket, the first sealing gasket is annular, the outer side of the fixed pipe is provided with external threads, the fixed pipe is matched with the second connection seat through threads, the inner side of the second connection seat is provided with a sealing block, in the process that the first connection seat is screwed with the second connection seat through threads, the sealing tube can be automatically inserted into the fixing groove to enable the first sealing gasket and the second sealing gasket to be tightly matched, the whole process does not need operations such as iron wire binding, and the operations can be completed by only one worker, so that the operation is simple and convenient, the time of connecting pipelines is greatly shortened, and the quick connection of pipelines of the oil filter is realized. However, the two connecting seats of this application are connected in a rotating manner, and the connecting pipes are generally made of metal, so that the connecting resistance is large and the connecting stability is not good. Patent No. CN 104482337B discloses a compression locking clamp type quick connection device for fluid conveying pipelines. The invention mainly solves the technical problems of low bearing pressure, poor safety, complex structure and complex operation of the existing connecting pipe fitting of the fluid conveying pipeline. The technical scheme of the invention is as follows: compression locking clamp formula fluid conveying line quick connecting device includes bolt, nut, two clamps, body, sealing rubber ring and locking rand. The two hoops are arranged at the upper end and the lower end of the pipe body, the sealing rubber ring is arranged in the sealing ring groove of the inner cavity of the pipe body, the locking clamping ring is arranged on the end face of the sealing ring groove of the pipe body, and the bolts are arranged in the bolt holes in the locking bosses of the two hoops and are connected and locked through the nuts. The invention has the advantages of simple structure, quick installation, safety, reliability, high bearing pressure, low cost, wide application range and the like. However, the invention is connected by two clamp bolts, so that the operation is complicated, and the operation is not simple, convenient and quick.
Disclosure of Invention
In view of the above, the invention provides a quick connection device for a pipeline of an electric oiling machine, which is quick in connection, stable and reliable in connection and high in pressure bearing, aiming at the defects of the prior art.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a quick connecting device for an oil pipeline of an electric oil filling machine comprises a first connecting seat, a second connecting seat and a fixing device, the first connecting seat is connected with the second connecting seat through the fixing device, the edges of the first connecting seat and the second connecting seat are both provided with annular grooves, a rubber gasket is arranged in the annular groove, the first connecting seat is connected with an oil inlet pipe, the end part of the oil inlet pipe penetrates through the first connecting seat, the second connecting seat is connected with an oil outlet pipe, the end part of the oil outlet pipe is arranged in a through hole at the center of the second connecting seat, the fixing device comprises a first clamping piece and a second clamping piece, one end of the first clamping piece is connected with one end of the second clamping piece through a hinge, the other end of the first clamping piece is hinged with a locking bolt, the other end of the second clamping piece is provided with an opening, and the first clamping piece and the second clamping piece are fixedly connected through the locking bolt.
Preferably, the first connecting seat and the second connecting seat are both made of disc metal, and the outer side surfaces of the first connecting seat and the second connecting seat are both inclined surfaces.
Preferably, the first clamping piece and the second clamping piece are semi-circular metal pieces, and clamping grooves with trapezoidal longitudinal sections are formed in the inner sides of the first clamping piece and the second clamping piece.
Preferably, the oil inlet pipe is in threaded connection with the first connecting seat, and the oil outlet pipe is in threaded connection with the second connecting seat.
Preferably, the rubber gasket comprises the following components in percentage by weight: 80-110 parts of nitrile rubber, 30-40 parts of carbon black, 3.8-5.5 parts of coupling agent, 12-17 parts of nano oxide, 15-20 parts of dioctyl adipate, 2-5 parts of stearic acid and 3-5 parts of anti-aging agent.
Preferably, the coupling agent is 3-aminopropyltriethoxysilane or 3-glycidoxypropyltrimethoxysilane.
Preferably, the nano oxide is a mixture of nano magnesium oxide, nano silicon dioxide and nano titanium dioxide, and the weight ratio of nano magnesium oxide: nano silicon dioxide: the ratio of the nano titanium dioxide is 4:3: 3.
Preferably, the anti-aging agent is 4, 4' -bis (2, 2-dimethylbenzyl) diphenylamine.
Preferably, the preparation method of the rubber gasket comprises the following steps: 1) placing 12-17 parts by weight of nano oxide in a vacuum drying oven at 80 ℃ for drying for 13-14h, mixing with 20-26 parts by weight of acetone, adding 3.8-5.5 parts by weight of coupling agent, placing in a magnetic stirrer for stirring at the rotation speed of 300-400r/min and the stirring time of 2-4h at 20-25 ℃, performing suction filtration, drying the filtrate in an oven at 75-80 ℃ for 6-8h, and grinding to obtain surface-modified nano oxide powder;
2) placing 80-110 parts by weight of nitrile rubber into an internal mixer for reverse plastication, wherein the temperature of the internal mixer is controlled at 60-80 ℃, a roller rotates reversely, the rotating speed is 15-20 r/min, and the time is 5-6 min, so as to obtain plasticated rubber;
3) sequentially putting 30-40 parts by weight of carbon black, 15-20 parts by weight of dioctyl adipate, 2-5 parts by weight of stearic acid, 3-5 parts by weight of anti-aging agent and the nano oxide prepared in the step 1) into an internal mixer to be mixed with the plasticated rubber in a positive direction, controlling the temperature of the internal mixer to be 60-80 ℃, positively rotating a roller at the rotation speed of 15-20 r/min for 3 min to obtain mixed rubber;
4) and (3) transferring the rubber compound into an open mill, setting a roller spacing of 1-2 mm, carrying out thin pass open milling for three times, adjusting the roller spacing to 8-10 mm, discharging, standing, curing for 4-16 hours, and cutting and molding.
Compared with the prior art, the invention has the following beneficial effects:
according to the quick connecting device for the oil pipeline of the electric oil filling machine, the first connecting seat and the second connecting seat are abutted, the rubber gaskets on the inner sides of the two connecting seats are aligned and tightly squeezed, the part, penetrating through the first connecting seat, of the oil inlet pipe is inserted into the through hole in the center of the second connecting seat and is abutted with the oil outlet pipe to keep stable alignment, the two aligned connecting seats are occluded by the two clamping pieces of the fixing device, the locking bolt on the end part of the first clamping piece is screwed to the opening on the end part of the second clamping piece, the locking bolt is screwed to stably connect the two connecting seats, operation can be completed by only one person, time is saved, and connection is.
In addition, the rubber gasket with the novel formula is adopted, so that the aging resistance of the material is improved on the premise of ensuring the physical performance, the service life is prolonged, the leakage is avoided, and the pressure-resistant effect is good. The coupling agent is adopted to modify the nano oxide, so that the lipophilicity of the nano particles is improved, the nano particles are easier to disperse in rubber, the compatibility among molecules is enhanced, and the mechanical property of the material is improved. The anti-aging agent is organically combined with the nano oxide particles, so that the anti-aging performance of the material is improved; the dioctyl adipate is used as a rubber softening agent, so that the elasticity of the rubber gasket is improved, the rubber aging is slowed down, and the service life of the rubber gasket is prolonged; stearic acid can keep the surface of the rubber gasket sheet to be smooth and not easy to adhere, thereby ensuring the quality of the rubber gasket; according to the invention, the nano oxide is modified, the nano oxide has a remarkable synergistic effect, various materials are organically combined, the synergistic effect of the components is exerted, and the prepared rubber gasket has the advantages of pressure resistance, deformation resistance, long service life, good oil resistance and leakage resistance.
Drawings
FIG. 1 is a schematic view of a portion of the present invention;
FIG. 2 is a schematic view of the structure of the fixing device of the present invention;
wherein, 1-a first connecting seat, 2-a second connecting seat, 3-an oil inlet pipe, 4-an oil outlet pipe, 5-a first clamping piece, 6-a second clamping piece and 7-a locking bolt.
Detailed Description
In order to better understand the present invention, the following examples are further provided to clearly illustrate the contents of the present invention, but the contents of the present invention are not limited to the following examples. In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details.
Example one
As shown in figure 1, the quick connecting device for the oil pipeline of the electric oil injection machine comprises a first connecting seat 1, a second connecting seat 2 and a fixing device, wherein the first connecting seat 1 is connected with the second connecting seat 2 through the fixing device, annular grooves are formed in the inner side edges of the first connecting seat 1 and the second connecting seat 2, rubber gaskets are arranged in the annular grooves, the first connecting seat 1 is connected with an oil inlet pipe 3, the end part of the oil inlet pipe 3 penetrates through the first connecting seat 1, the second connecting seat 2 is connected with an oil outlet pipe 4, the end part of the oil outlet pipe 4 is arranged in a through hole in the center of the second connecting seat 2, the fixing device comprises a first clamping piece 5 and a second clamping piece 6, one end of the first clamping piece 5 is connected with one end of the second clamping piece 6 through a hinge, the other end of the first clamping piece 5 is hinged with a locking bolt 7, and the other end of the second clamping piece 6 is provided with, the first clamping piece 5 and the second clamping piece 6 are fixedly connected through the locking bolt 7.
Specifically, the first connecting seat 1 and the second connecting seat 2 are both disc metal parts, and the outer side surfaces of the first connecting seat 1 and the second connecting seat 2 are both inclined surfaces; the first clamping piece 5 and the second clamping piece 6 are both semi-circular metal pieces, and the inner sides of the first clamping piece 5 and the second clamping piece 6 are both provided with clamping grooves with trapezoidal longitudinal sections; the oil inlet pipe 3 is in threaded connection with the first connecting seat 1, and the oil outlet pipe 4 is in threaded connection with the second connecting seat 2.
When the quick connecting device for the oil pipeline of the electric oil filling machine is used, the first connecting seat and the second connecting seat are abutted, the rubber gaskets on the inner sides of the two connecting seats are aligned and squeezed, the part of the oil inlet pipe penetrating through the first connecting seat is inserted into the through hole in the center of the second connecting seat and is abutted with the oil outlet pipe to keep stable alignment, the two aligned connecting seats are occluded by the two clamping pieces of the fixing device, the locking bolt on the end part of the first clamping piece is screwed to the opening on the end part of the second clamping piece, the two connecting seats are stably connected by screwing the locking bolt, the operation can be completed by only one person, the time is saved, and the connection is safe and reliable.
Example two
As shown in figure 1, the quick connecting device for the oil pipeline of the electric oil injection machine comprises a first connecting seat 1, a second connecting seat 2 and a fixing device, wherein the first connecting seat 1 is connected with the second connecting seat 2 through the fixing device, annular grooves are formed in the inner side edges of the first connecting seat 1 and the second connecting seat 2, rubber gaskets are arranged in the annular grooves, the first connecting seat 1 is connected with an oil inlet pipe 3, the end part of the oil inlet pipe 3 penetrates through the first connecting seat 1, the second connecting seat 2 is connected with an oil outlet pipe 4, the end part of the oil outlet pipe 4 is arranged in a through hole in the center of the second connecting seat 2, the fixing device comprises a first clamping piece 5 and a second clamping piece 6, one end of the first clamping piece 5 is connected with one end of the second clamping piece 6 through a hinge, the other end of the first clamping piece 5 is hinged with a locking bolt 7, and the other end of the second clamping piece 6 is provided with, the first clamping piece 5 and the second clamping piece 6 are fixedly connected through the locking bolt 7.
Specifically, the first connecting seat 1 and the second connecting seat 2 are both disc metal parts, and the outer side surfaces of the first connecting seat 1 and the second connecting seat 2 are both inclined surfaces; the first clamping piece 5 and the second clamping piece 6 are both semi-circular metal pieces, and the inner sides of the first clamping piece 5 and the second clamping piece 6 are both provided with clamping grooves with trapezoidal longitudinal sections; the oil inlet pipe 3 is in threaded connection with the first connecting seat 1, and the oil outlet pipe 4 is in threaded connection with the second connecting seat 2.
The quick connecting device of the oil pipeline of the electric oil filling machine provided by the embodiment of the invention is different from the first embodiment in that: the rubber gasket comprises the following components in percentage by weight: 80 parts of nitrile rubber, 30 parts of carbon black, 3.8 parts of coupling agent, 12 parts of nano oxide, 15 parts of dioctyl adipate, 2 parts of stearic acid and 3 parts of anti-aging agent, wherein the coupling agent is 3-aminopropyl triethoxysilane, the nano oxide is a mixture of nano magnesium oxide, nano silicon dioxide and nano titanium dioxide, and the weight ratio of the nano magnesium oxide to the nano titanium dioxide is as follows: nano silicon dioxide: the nano titanium dioxide is 4:3:3, and the anti-aging agent is 4, 4' -bis (2, 2-dimethylbenzyl) diphenylamine.
The preparation method of the rubber gasket comprises the following steps: 1) placing 12 parts by weight of nano oxide in a vacuum drying oven at 80 ℃ for drying for 13-14h, mixing with 20 parts by weight of acetone, adding 3.8 parts by weight of coupling agent, placing in a magnetic stirrer for stirring at 20-25 ℃, wherein the rotating speed is 300-400r/min, the stirring time is 2-4h, performing suction filtration, drying the filtrate in an oven at 75-80 ℃ for 6-8h, and grinding to obtain surface modified nano oxide powder;
2) putting 80 parts by weight of nitrile rubber into an internal mixer for reverse plastication, controlling the temperature of the internal mixer to be 60-80 ℃, and reversely rotating a roller at the rotating speed of 15-20 rpm for 5-6 minutes to obtain plasticated rubber;
3) sequentially putting 30 parts by weight of carbon black, 15 parts by weight of dioctyl adipate, 2 parts by weight of stearic acid, 3 parts by weight of anti-aging agent and the nano oxide prepared in the step 1) into an internal mixer to be mixed with the plasticated rubber in a positive direction, controlling the temperature of the internal mixer to be 60-80 ℃, positively rotating a roller at the rotation speed of 15-20 r/min, and mixing for 3 min to obtain mixed rubber;
4) and (3) transferring the rubber compound into an open mill, setting a roller spacing of 1-2 mm, carrying out thin pass open milling for three times, adjusting the roller spacing to 8-10 mm, discharging, standing, curing for 4-16 hours, and cutting and molding.
EXAMPLE III
The embodiment of the invention is different from the first embodiment and the second embodiment in that: the rubber gasket comprises the following components in percentage by weight: 90 parts of nitrile rubber, 35 parts of carbon black, 4.3 parts of coupling agent, 15 parts of nano oxide, 18 parts of dioctyl adipate, 3 parts of stearic acid and 4 parts of anti-aging agent, wherein the coupling agent is 3-aminopropyl triethoxysilane, the nano oxide is a mixture of nano magnesium oxide, nano silicon dioxide and nano titanium dioxide, and the weight ratio of the nano magnesium oxide to the nano titanium dioxide is as follows: nano silicon dioxide: the nano titanium dioxide is 4:3:3, and the anti-aging agent is 4, 4' -bis (2, 2-dimethylbenzyl) diphenylamine.
The preparation method of the rubber gasket comprises the following steps: 1) placing 15 parts by weight of nano oxide in a vacuum drying oven at 80 ℃ for drying for 13-14h, mixing with 20 parts by weight of acetone, adding 4.3 parts by weight of coupling agent, placing in a magnetic stirrer for stirring at 20-25 ℃, wherein the rotating speed is 300-400r/min, the stirring time is 2-4h, performing suction filtration, drying the filtrate in an oven at 75-80 ℃ for 6-8h, and grinding to obtain surface modified nano oxide powder;
2) putting 90 parts by weight of nitrile rubber into an internal mixer for reverse plastication, controlling the temperature of the internal mixer to be 60-80 ℃, and reversely rotating a roller at the rotating speed of 15-20 rpm for 5-6 minutes to obtain plasticated rubber;
3) sequentially putting 35 parts by weight of carbon black, 18 parts by weight of dioctyl adipate, 3 parts by weight of stearic acid, 4 parts by weight of anti-aging agent and the nano oxide prepared in the step 1) into an internal mixer to be mixed with the plasticated rubber in a positive direction, controlling the temperature of the internal mixer to be 60-80 ℃, positively rotating a roller at the rotation speed of 15-20 r/min, and mixing for 3 min to obtain mixed rubber;
4) and (3) transferring the rubber compound into an open mill, setting a roller spacing of 1-2 mm, carrying out thin pass open milling for three times, adjusting the roller spacing to 8-10 mm, discharging, standing, curing for 4-16 hours, and cutting and molding.
Example four
The embodiment of the invention is different from the first, second and third embodiments in that: the rubber gasket comprises the following components in percentage by weight: 110 parts of nitrile rubber, 40 parts of carbon black, 5.5 parts of coupling agent, 17 parts of nano oxide, 20 parts of dioctyl adipate, 5 parts of stearic acid and 5 parts of anti-aging agent, wherein the coupling agent is 3-aminopropyl triethoxysilane, the nano oxide is a mixture of nano magnesium oxide, nano silicon dioxide and nano titanium dioxide, and the weight ratio of the nano magnesium oxide to the nano titanium dioxide is as follows: nano silicon dioxide: the nano titanium dioxide is 4:3:3, and the anti-aging agent is 4, 4' -bis (2, 2-dimethylbenzyl) diphenylamine.
The preparation method of the rubber gasket comprises the following steps: 1) placing 17 parts by weight of nano oxide in a vacuum drying oven at 80 ℃ for drying for 13-14h, mixing with 20 parts by weight of acetone, adding 5.5 parts by weight of coupling agent, placing in a magnetic stirrer for stirring at 20-25 ℃, wherein the rotating speed is 300-400r/min, the stirring time is 2-4h, performing suction filtration, drying the filtrate in an oven at 75-80 ℃ for 6-8h, and grinding to obtain surface modified nano oxide powder;
2) putting 110 parts by weight of nitrile rubber into an internal mixer for reverse plastication, controlling the temperature of the internal mixer to be 60-80 ℃, and reversely rotating a roller at the rotating speed of 15-20 rpm for 5-6 minutes to obtain plasticated rubber;
3) sequentially putting 40 parts by weight of carbon black, 20 parts by weight of dioctyl adipate, 5 parts by weight of stearic acid, 5 parts by weight of anti-aging agent and the nano oxide prepared in the step 1) into an internal mixer to be mixed with the plasticated rubber in a positive direction, controlling the temperature of the internal mixer to be 60-80 ℃, positively rotating a roller at the rotation speed of 15-20 r/min, and mixing for 3 min to obtain mixed rubber;
4) and (3) transferring the rubber compound into an open mill, setting a roller spacing of 1-2 mm, carrying out thin pass open milling for three times, adjusting the roller spacing to 8-10 mm, discharging, standing, curing for 4-16 hours, and cutting and molding.
The results of the test analyses of examples two to four are shown in table 1:
table 1 test results of the examples
| Numbering | Test items | Test method | Index (I) | Example 2 | Example 3 | Example 4 |
| 1 | Hardness (Shao Er A) | GB/T531-1999 | 70±5 | 72 | 73 | 73 |
| 2 | Tensile strength MPa | GB/T528-1998 | ≥15 | 25 | 21 | 23 |
| 3 | Tear Strength kN/m | GB/T529-1999 | ≥30 | 39 | 38 | 36 |
| 4 | Compression set% (125 ℃ C. 24h compression 25%) | GB/T7759-1996 | ≤35 | 10 | 10 | 13 |
| 5 | Brittleness temperature C | GB/T1682-1994 | ≤-45 | -45 Normal | -45 Normal | -45 |
| 6 | Ozone resistance test (0.5 uL/L40 ℃ C. stretch 20% 16 h) | GB/T7762-2003 | Without cracking | Without cracking | Without cracking | Without cracking |
As can be seen from table 1: examples two to four all showed good integration performance: the high-strength high-toughness high-strength steel has good mechanical properties, the hardness is more than 70, the tensile strength is more than 15MPa, the tear strength is more than 35 kN/m, the compression deformation is less than 15%, the compression resistance is strong, the low temperature resistance is high, and the service life is long.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent substitutions made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (7)
1. The utility model provides an electric power oiling machine oil pipe way quick connecting device, includes first connecting seat, second connecting seat and fixing device, first connecting seat with the second connecting seat passes through fixing device connects its characterized in that: the edge of each of the first connecting seat and the second connecting seat is provided with an annular groove, a rubber gasket is arranged in each annular groove, the first connecting seat is connected with an oil inlet pipe, the end part of the oil inlet pipe penetrates through the first connecting seat, the second connecting seat is connected with an oil outlet pipe, the end part of the oil outlet pipe is arranged in a through hole in the center of the second connecting seat, the fixing device comprises a first clamping piece and a second clamping piece, the first clamping piece is connected with one end of the second clamping piece through a hinge, the other end of the first clamping piece is hinged with a locking bolt, the other end of the second clamping piece is provided with an opening, and the first clamping piece is fixedly connected with the second clamping piece through the locking bolt;
the preparation method of the rubber gasket comprises the following steps: 1) placing 12-17 parts by weight of nano oxide in a vacuum drying oven at 80 ℃ for drying for 13-14h, mixing with 20-26 parts by weight of acetone, adding 3.8-5.5 parts by weight of coupling agent, placing in a magnetic stirrer for stirring at the rotation speed of 300-400r/min and the stirring time of 2-4h at 20-25 ℃, performing suction filtration, drying the filtrate in an oven at 75-80 ℃ for 6-8h, and grinding to obtain surface-modified nano oxide powder;
2) placing 80-110 parts by weight of nitrile rubber into an internal mixer for reverse plastication, wherein the temperature of the internal mixer is controlled at 60-80 ℃, a roller rotates reversely, the rotating speed is 15-20 r/min, and the time is 5-6 min, so as to obtain plasticated rubber;
3) sequentially putting 30-40 parts by weight of carbon black, 15-20 parts by weight of dioctyl adipate, 2-5 parts by weight of stearic acid, 3-5 parts by weight of anti-aging agent and the nano oxide prepared in the step 1) into an internal mixer to be mixed with the plasticated rubber in a positive direction, controlling the temperature of the internal mixer to be 60-80 ℃, positively rotating a roller at the rotation speed of 15-20 r/min for 3 min to obtain mixed rubber;
4) transferring the rubber compound into an open mill, setting a roller spacing of 1-2 mm, carrying out thin pass open milling for three times, adjusting the roller spacing to 8-10 mm, discharging, standing, curing for 4-16 hours, and cutting and molding;
the nano oxide is a mixture of nano magnesium oxide, nano silicon dioxide and nano titanium dioxide, and the weight ratio of the nano magnesium oxide to the nano titanium dioxide is as follows: nano silicon dioxide: the ratio of the nano titanium dioxide is 4:3: 3.
2. The electric oiling machine oil line quick-connect device according to claim 1, characterized in that: the first connecting seat and the second connecting seat are both made of disc metal parts, and the outer side surfaces of the first connecting seat and the second connecting seat are both inclined surfaces.
3. The electric oiling machine oil line quick-connect device according to claim 2, characterized in that: the first clamping piece and the second clamping piece are both semi-circular metal pieces, and clamping grooves with trapezoidal longitudinal sections are formed in the inner sides of the first clamping piece and the second clamping piece.
4. The electric oiling machine oil line quick-connect device according to claim 3, characterized in that: the oil inlet pipe is in threaded connection with the first connecting seat, and the oil outlet pipe is in threaded connection with the second connecting seat.
5. The electric oiling machine oil pipeline quick connecting device as defined in claim 1 or 4, wherein: the rubber gasket comprises the following components in percentage by weight: 80-110 parts of nitrile rubber, 30-40 parts of carbon black, 3.8-5.5 parts of coupling agent, 12-17 parts of nano oxide, 15-20 parts of dioctyl adipate, 2-5 parts of stearic acid and 3-5 parts of anti-aging agent.
6. The electric oiling machine oil line quick-connect device according to claim 5, characterized in that: the coupling agent is 3-aminopropyl triethoxysilane or 3-glycidyl ether oxypropyl trimethoxysilane.
7. The electric oiling machine oil line quick-connect device according to claim 6, characterized in that: the anti-aging agent is 4, 4' -bis (2, 2-dimethylbenzyl) diphenylamine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811096329.7A CN109114324B (en) | 2018-09-19 | 2018-09-19 | Quick connecting device of oil pipeline of electric oil injection machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811096329.7A CN109114324B (en) | 2018-09-19 | 2018-09-19 | Quick connecting device of oil pipeline of electric oil injection machine |
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| CN109114324B true CN109114324B (en) | 2020-07-03 |
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| CN2374723Y (en) * | 1999-05-14 | 2000-04-19 | 黄鸿图 | Improved structure of mechanical union joint |
| JP2006183782A (en) * | 2004-12-27 | 2006-07-13 | Bridgestone Flowtech Corp | Joining structure, and pipe joint |
| CN101891907A (en) * | 2010-07-14 | 2010-11-24 | 西南石油大学 | Multifunctional nano-ZnO reinforced rubber |
| CN102952343A (en) * | 2012-10-11 | 2013-03-06 | 安徽普源分离机械制造有限公司 | Sealing ring of inner wall of horizontal spiral centrifuge propeller |
| CN105111534A (en) * | 2015-08-17 | 2015-12-02 | 合肥市再德高分子材料有限公司 | Heat-resistance modified nitrile rubber material |
| CN107815056A (en) * | 2016-09-12 | 2018-03-20 | 翁秋梅 | A kind of dynamic aggregation thing thermoplastic elastomer (TPE) and its application |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2374723Y (en) * | 1999-05-14 | 2000-04-19 | 黄鸿图 | Improved structure of mechanical union joint |
| JP2006183782A (en) * | 2004-12-27 | 2006-07-13 | Bridgestone Flowtech Corp | Joining structure, and pipe joint |
| CN101891907A (en) * | 2010-07-14 | 2010-11-24 | 西南石油大学 | Multifunctional nano-ZnO reinforced rubber |
| CN102952343A (en) * | 2012-10-11 | 2013-03-06 | 安徽普源分离机械制造有限公司 | Sealing ring of inner wall of horizontal spiral centrifuge propeller |
| CN105111534A (en) * | 2015-08-17 | 2015-12-02 | 合肥市再德高分子材料有限公司 | Heat-resistance modified nitrile rubber material |
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| CN109114324A (en) | 2019-01-01 |
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