CN111330893B - Heating device for large bearing of mining machinery - Google Patents
Heating device for large bearing of mining machinery Download PDFInfo
- Publication number
- CN111330893B CN111330893B CN202010255694.9A CN202010255694A CN111330893B CN 111330893 B CN111330893 B CN 111330893B CN 202010255694 A CN202010255694 A CN 202010255694A CN 111330893 B CN111330893 B CN 111330893B
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- oil
- bearing
- box body
- pipe
- shaped
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
- B08B3/022—Cleaning travelling work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H7/00—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release
- F24H7/002—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release using electrical energy supply
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1818—Arrangement or mounting of electric heating means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
- F24H9/2021—Storage heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C3/00—Other direct-contact heat-exchange apparatus
- F28C3/005—Other direct-contact heat-exchange apparatus one heat-exchange medium being a solid
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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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2235/00—Cleaning
Abstract
The invention discloses a heating device for a large-scale bearing of mining machinery, which comprises a rack, a first box body, an electric cylinder, a second box body, an oil injection pipe, an oil supply system and an oil return system, wherein the left side of the first box body is provided with an opening, the right side outer wall of the first box body is provided with a driving device, a bearing placing assembly is arranged in the first box body, and the bearing placing assembly is connected with the output end of the driving device through a rotating shaft; the electric cylinder is arranged on the rack and horizontally arranged; the middle position of the outer wall of the left side of the second box body is fixedly connected with the top end of an output rod of the electric cylinder, the right side opening of the second box body is arranged, the right end of the oil injection pipe is positioned in the second box body, the left end of the oil injection pipe is positioned on the left side of the left side wall of the second box body, the oil supply system is connected with the left end of the oil injection pipe, and the oil return system is used for recovering oil sprayed to the bearing by the oil injection pipe and conveying the oil back to the oil; the invention can conveniently and effectively wash and heat the large-scale bearing.
Description
Technical Field
The invention relates to the field of bearing heating devices, in particular to a heating device for a large bearing of mining machinery.
Background
The heating method of the bearing is various, such as heating box heating, heating plate heating, oil bath heating, induction type bearing heater heating, and the like, wherein the oil bath heating and the induction type bearing heater heating are the most commonly used. Compared with oil bath heating, the induction type bearing heater has the advantages of high heating speed, safe and reliable heating process, no open fire, no pollution and the like, and is more favored by enterprises. For large bearings used in mining machinery, a large induction type bearing heater can be used for heating, but most of the large bearings are difficult to install, and sometimes need to be installed for many times to be installed successfully, and when the large bearings are installed once unsuccessfully, the large bearings need to be heated again to be installed again. The installation of the large-scale bearing of the mining machinery is influenced by the surrounding environment, a lifting tool and the like in the process of each installation, impurities such as dust and particles can enter the bearing and need to be removed before installation, and the induction type bearing heater only has a heating function and does not have a function of cleaning and removing the impurities entering the bearing, so that in the actual production, a bearing cleaning device is generally required to be equipped when the induction type bearing heater is used for heating the large-scale bearing for the mining machinery, and the use switching between the two is required, so that the operation is very troublesome.
Disclosure of Invention
The invention aims to provide a heating device for a large bearing of a mining machine, which aims to solve the problems that an induction type bearing heater does not have the function of cleaning and removing impurities entering the bearing, a bearing cleaning device is required to be arranged when the induction type bearing heater is used for heating the large bearing of the mining machine, and the use of the induction type bearing heater and the large bearing of the mining machine needs to be switched, so that the use is very troublesome.
The invention is realized by the following steps: a heating device for a large bearing of mining machinery comprises a rack and a first box body, wherein the first box body is fixedly arranged on the rack, a left opening of the first box body is arranged, a driving device is arranged on the outer wall of the right side of the first box body, a bearing placing assembly is arranged in the first box body, the bearing placing assembly can drive a bearing to rotate in a vertical plane, and the bearing placing assembly is connected with the output end of the driving device through a rotating shaft;
the electric cylinder is arranged on the rack and horizontally arranged;
the middle position of the outer wall of the left side of the second box body is fixedly connected with the top end of the output rod of the electric cylinder, the right side of the second box body is provided with an opening, the shapes and the sizes of the open ends of the second box body and the first box body are the same, and the open ends of the second box body and the first box body are vertically opposite;
the right end of the oil injection pipe is positioned in the second box body, the left end of the oil injection pipe is positioned on the left side of the left side wall of the second box body, and the oil injection pipe is used for performing oil injection heating and oil injection washing on the bearing placed on the bearing placement assembly;
the oil supply system is connected with the left end of the oil injection pipe and is used for conveying oil liquid for heating and flushing at a certain temperature into the oil injection pipe;
and the oil return system is used for recovering oil sprayed to the bearing by the oil spraying pipe and conveying the oil back to the oil supply system.
Furthermore, the bearing placing assembly comprises a disc, a shaft sleeve used for being connected with a rotating shaft is arranged in the middle of the right side wall of the disc, three T-shaped grooves are formed in the left side wall of the disc, the length direction of each T-shaped groove points to the central rotating shaft of the disc, the T-shaped grooves extend to the outer end side wall of the disc, and the three T-shaped grooves are uniformly arranged along the circumferential direction of the disc; the T-shaped groove is internally provided with a T-shaped sliding block matched with the T-shaped groove, the left side wall of the T-shaped sliding block is vertically connected with a fixed shaft, the T-shaped sliding block is provided with a threaded through hole, and a fixing bolt is arranged in the threaded through hole.
Furthermore, the fixed shaft is arranged close to the outer end of the T-shaped sliding block, the thread through holes formed in the T-shaped sliding block are arranged close to the inner end of the T-shaped sliding block, the number of the thread through holes is two, and one fixing bolt is installed in each of the two thread through holes.
Furthermore, the fixed shaft is of a two-stage stepped shaft structure, a large-diameter shaft body of the fixed shaft is fixedly connected with the T-shaped sliding block, a rubber sleeve is sleeved on the small-diameter shaft body of the fixed shaft, an anti-skidding structure is arranged on the outer wall of the rubber sleeve, and the outer diameter of the rubber sleeve is smaller than the diameter of the large-diameter shaft body of the fixed shaft; the end face of the small-diameter shaft body of the fixed shaft is provided with a threaded hole, the end face of the small-diameter shaft body of the fixed shaft is detachably connected with a limiting baffle through a limiting bolt, and the rod part of the limiting bolt penetrates through a plate body of the limiting baffle and is screwed into the threaded hole.
Furthermore, three groups of scales are arranged on the left side wall of the disc, are respectively close to the three T-shaped grooves and are arranged along the length direction of the T-shaped grooves; the T-shaped sliding block is fixedly connected with an arrow, the T-shaped sliding block drives the arrow to move along the length direction of the T-shaped groove, and the arrow is located on the left side of the disc and points to the scale.
Furthermore, a rectangular through hole is vertically formed in the left side wall of the second box body, and the rectangular through hole is located right above the middle position of the left side wall of the second box body; the upper part and the lower part of the rectangular through hole on the outer wall of the left side of the second box body are respectively provided with an n-shaped plate, two ends of the n-shaped plate are fixedly connected with the outer wall of the left side of the second box body, the n-shaped plate is transversely provided with a threaded through hole, and a clamping bolt is arranged in the threaded through hole; a sliding plate is arranged in the two n-shaped plates, a rubber sealing plate is arranged on the right side wall of the sliding plate, the oil injection pipe penetrates through the sliding plate, the rubber sealing plate and the rectangular through hole, the oil injection pipe is fixedly connected with the sliding plate, and a gap is not formed between the oil injection pipe and the sliding plate; the oil spraying device is characterized in that an observation port is formed in the first box body or the second box body, an observation window made of transparent materials is installed at the observation port, and the observation window is used for checking whether the right end of the oil spraying pipe is aligned with a rolling body of a bearing placed on the bearing placing assembly or not.
Furthermore, be provided with the external screw thread structure on the right-hand member outer wall of spout oil pipe, the right-hand member threaded connection of spouting oil pipe has toper fuel sprayer.
Furthermore, the oil supply system comprises a base, an electric heating plate, a metal oil tank, an oil supply pump and a filter, wherein the metal oil tank is placed on the base, the electric heating plate is positioned between the bottom wall of the metal oil tank and the base, and a temperature sensor for detecting the oil temperature in the metal oil tank is arranged on the metal oil tank; an oil suction port of the oil supply pump is communicated with the metal oil tank through a first oil pipe, an oil discharge port of the oil supply pump is connected with an oil inlet of the filter, an oil outlet of the filter is connected with the left end of the oil injection pipe sequentially through a second oil pipe and a third oil pipe, and the third oil pipe is a hose.
Furthermore, temperature sensor electric connection has intelligent temperature controller, intelligent temperature controller passes through auxiliary relay and ac contactor and links to each other with the electrical heating board electrical property.
Further, the oil return system comprises an oil return pump, an oil outlet pipe is arranged on the side wall of the upper end or the lower end of the bottom wall of the second box body, an oil suction port of the oil return pump is connected with the oil outlet pipe through a fourth oil pipe, the fourth oil pipe is a hose, and an oil discharge port of the oil return pump is communicated with the metal oil tank through a fifth oil pipe; and an annular sealing rubber layer is arranged on the end surface of the outer contour of the open end of the first oil tank and/or the open end of the second tank body.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention can conveniently and effectively wash and heat the large-scale bearing, when the large-scale bearing for the mining machinery which needs to be cleaned by impurities is heated, the invention replaces an induction type bearing heater, thereby avoiding the problem that the induction type bearing heater needs to be used for heating the large-scale bearing for the mining machinery, a bearing cleaning device needs to be arranged, and the use of the induction type bearing heater and the bearing cleaning device needs to be switched, so that the use is very troublesome.
2. The T-shaped sliding block can be very conveniently adjusted to a position to be adjusted by combining the inner diameter of the large bearing to be placed under the indication action of the scale, so that the T-shaped sliding block can be accurately positioned and adjusted, the time for adjusting the T-shaped sliding block is reduced, and the use efficiency of the bearing positioning device is improved.
3. The position of the oil pipe is adjustable, and the device is suitable for cleaning and heating large bearings with different signals.
4. The right end of the oil injection pipe is in threaded connection with a conical oil injection nozzle; when a large bearing placed on the bearing placing assembly needs to be washed, the tapered oil nozzle is arranged at the right end of the oil injection pipe, so that the washing effect of the large bearing is better; the large-scale bearing placed on the bearing placing assembly is heated only, and when the bearing placing assembly is not required to be washed, the tapered oil nozzle can not be installed, so that the oil sprayed out from the oil spraying pipe is wider in heating surface of the large-scale bearing, the heating effect is better, and the efficiency is higher.
5. The temperature of the heating oil can be automatically adjusted, so that the invention is more intelligent and more convenient to use.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural view of a heating apparatus for a large-sized bearing of a mining machine according to the present invention;
FIG. 2 is an enlarged view of area A of FIG. 1;
FIG. 3 is a front view of a schematic structural view of a heating apparatus for a large bearing of a mining machine according to the present invention;
FIG. 4 is a plan view showing the connection relationship among an n-shaped plate, a sliding plate, a rubber seal plate and a clamp bolt of the heating apparatus for a large bearing of a mining machine according to the present invention;
FIG. 5 is a schematic perspective view of a bearing placement module of the heating device for a large-sized bearing of a mining machine according to the present invention;
FIG. 6 is an enlarged view of area B of FIG. 5;
FIG. 7 is a schematic view of the structure shown in FIG. 6 with the stop bolt and stop baffle removed;
FIG. 8 is a front view of a bearing placement module of the heating apparatus for a large bearing of a mining machine according to the present invention;
FIG. 9 is an enlarged view of area C of FIG. 8;
FIG. 10 is a side view of a bearing placement assembly of a heating apparatus for a large bearing of a mining machine according to the present invention;
fig. 11 is a block diagram showing the electric control system of the electric heating plate of the oil supply system of the heating device for a large bearing of a mining machine according to the present invention.
In the figure: 1. a frame; 2. a first case; 3. a rotating shaft; 4. an electric cylinder; 5. a second case; 501. a rectangular through hole; 6. an oil spray pipe; 7. a disc; 701. a T-shaped slot; 702. a fan-shaped notch structure; 8. a T-shaped slider; 9. a fixed shaft; 901. a threaded hole; 10. fixing the bolt; 11. a rubber sleeve; 12. a limit bolt; 13. a limit baffle; 14. calibration; 15. an arrow; 16. an n-shaped plate; 17. a slide plate; 18. a rubber sealing plate; 19. clamping the bolt; 20. an observation window; 21. a conical fuel injector; 22. a base; 23. an electrical heating plate; 24. a metal oil tank; 25. an oil supply pump; 26. a filter; 27. a temperature sensor; 28. a first oil pipe; 29. a second oil pipe; 30. a third oil pipe; 31. an oil return pump; 32. an oil outlet pipe; 33. a fourth oil pipe; 34. a fifth oil pipe; 35. a speed reducer; 36. a drive motor; 37. and a shaft sleeve.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1, 2, 3, 4, 5, 6, 7, 8, 9 and 10, in an embodiment of the present invention, a heating device for a large bearing of a mining machine includes a frame 1, and further includes a first tank 2, an electric cylinder 4, a second tank 5, an oil injection pipe 6, an oil supply system, and an oil return system.
The first box 2 is fixedly arranged on the rack 1, the left side opening of the first box 2 is arranged, the driving device is arranged on the outer wall of the right side of the first box 2 and comprises a speed reducer 35 and a driving motor 36, the speed reducer 35 is arranged on the outer wall of the right side of the first box 2, the driving motor 36 is arranged on the speed reducer 35, and the rotating shaft of the driving motor 36 is connected with the input end of the speed reducer 35.
A bearing placing assembly is arranged in the first box body 2, the bearing placing assembly comprises a disc 7, a shaft sleeve 37 is arranged in the middle of the right side wall of the disc 7, a rotating shaft 3 is installed in the shaft sleeve 37, the rotating shaft 3 is connected with the output end of a speed reducer 35, three T-shaped grooves 701 are arranged on the left side wall of the disc 7, the length direction of each T-shaped groove 701 points to the central rotating shaft of the disc 7, the T-shaped grooves 701 extend to the outer side wall of the disc 7, and the three T-shaped grooves 701 are uniformly arranged along the circumferential direction of the disc; the T-shaped sliding block 8 matched with the T-shaped groove 701 is arranged in the T-shaped groove 701, the fixing shaft 9 is vertically connected to the left side wall of the T-shaped sliding block 8, the T-shaped sliding block 8 is provided with a threaded through hole, a fixing bolt 10 is installed in the threaded through hole, the T-shaped sliding block 8 can freely slide along the length direction of the T-shaped groove 701, the position of the T-shaped sliding block 8 in the T-shaped groove 701 is adjusted, and after the position of the T-shaped sliding block 8 is adjusted, the fixing bolt 10 is screwed down, and the T-shaped sliding block 8 can be fixedly arranged in the T-shaped. The position of the T-shaped sliding block 8 in the T-shaped groove 701 is adjusted, namely, the distance between the central axis of the fixed shaft 9 and the central axis of the disc 7 is adjusted, the positions of the three T-shaped sliding blocks 8 in the respective T-shaped grooves 701 are synchronously adjusted, the positions of the three fixed shafts 9 are adjusted, so that the bearing placing assembly is suitable for placing large bearings with different inner diameters, and the large bearings are sleeved on the three fixed shafts 9 through inner rings, so that the bearing placing assembly can be suitable for placing large bearings with different inner diameters through the arrangement, and the application range of the bearing placing assembly is widened; the fixed shaft 9 is arranged close to the outer end of the T-shaped sliding block 8, two threaded through holes are formed in the T-shaped sliding block 8 and close to the inner end of the T-shaped sliding block 8, and a fixing bolt 10 is installed in each of the two threaded through holes; the bearing placing assembly is arranged in a mode that the disc 7 with the smaller diameter is selected, the application range of the bearing placing assembly is large, the large-scale bearing with the larger inner diameter range can be placed, meanwhile, the stability of the T-shaped sliding block 8 fixedly arranged in the T-shaped groove 701 is improved, and the supporting stability of the fixing shaft 9 on the large-scale bearing is improved.
In addition, three fan-shaped notch structures 702 are arranged on the disc 7 at positions between the three T-shaped grooves 701, so that the weight of the disc 7 is reduced, the radial force applied to the rotating shaft 3 is reduced, and the damage to the output end of the speed reducer 35 is reduced.
The fixed shaft 9 is of a two-stage stepped shaft structure, a large-diameter shaft body of the fixed shaft 9 is fixedly connected with the T-shaped sliding block 8, the small-diameter shaft body of the fixed shaft 9 is sleeved with a rubber sleeve 11, the outer wall of the rubber sleeve 11 is provided with an anti-skidding structure, such as an anti-skidding bump structure or an anti-skidding line structure, and the like, the inner ring of the large bearing is sleeved on the rubber sleeve 11 arranged on the three fixed shafts 9, and the anti-skidding structure arranged on the outer wall of the rubber sleeve 11 can effectively prevent the problem that the inner ring of the large bearing slides relative to the rubber sleeve 11 when the bearing placing assembly drives the large bearing to; the outer diameter of the rubber sleeve 11 is smaller than the diameter of the large-diameter shaft body of the fixed shaft 9, so that a shaft shoulder structure is formed at the contact position of the large-diameter shaft body of the fixed shaft 9 and the rubber sleeve 11, and a large-sized bearing sleeved outside the rubber sleeve 11 is limited; a threaded hole 901 is formed in the end face of the small-diameter shaft body of the fixing shaft 9, a limiting baffle 13 is detachably connected to the end face of the small-diameter shaft body of the fixing shaft 9 through a limiting bolt 12, and the rod part of the limiting bolt 12 penetrates through the plate body of the limiting baffle 13 and is screwed into the threaded hole 901; when placing large-scale bearing on the subassembly is placed to the bearing, get rid of limit baffle 13 earlier, wait that large-scale bearing housing installs limit baffle 13 again after on locating rubber sleeve 11, can prevent the problem that large-scale bearing drops on by rubber sleeve 11.
Three groups of scales 14 are arranged on the left side wall of the disc 7, and the three groups of scales 14 are respectively close to the three T-shaped grooves 701 and are arranged along the length direction of the T-shaped grooves 701; the T-shaped sliding block 8 is fixedly connected with an arrow 15, the T-shaped sliding block 8 drives the arrow 15 to move along the length direction of the T-shaped groove 701, the arrow 15 is positioned at the left side of the disc 7 and points to the scale 14, the scale value on the scale 14 corresponds to the inner diameter value of a large-sized bearing which can be sleeved outside the rubber sleeve 11, the three T-shaped sliding blocks 8 are synchronously adjusted, and so that the three arrows 15 point to the same scale value, as when the arrow 15 points to the "500" position scale on the scale 14, indicating that this position is suitable for placing a large bearing with an internal diameter of 500mm, under the indication action of the scale 14, the T-shaped sliding block 8 can be conveniently adjusted to the position to be adjusted by combining the inner diameter of a large bearing to be placed, the T-shaped sliding block 8 can be accurately positioned and adjusted, the time for adjusting the T-shaped sliding block 8 is shortened, and the use efficiency of the T-shaped sliding block is improved.
And under the indication action of the scale 14, the scale value pointed by the arrow 15 can be slightly increased, so that the inner wall of the inner ring of the large-sized bearing is tightly matched with the rubber sleeve 11, and the inner ring of the large-sized bearing extrudes the rubber sleeve 11 by a certain amount, so that the large-sized bearing is placed more firmly and the problem of slippage between the rubber sleeves 11 is solved less easily.
The electric cylinder 4 is arranged on the frame 1, and the electric cylinder 4 is horizontally arranged; the middle position of the outer wall of the left side of the second box body 5 is fixedly connected with the top end of an output rod of the electric cylinder 4, the right side of the second box body 5 is provided with an opening, the shapes and the sizes of the opening ends of the second box body 5 and the first box body 2 are the same, and the opening ends of the second box body 5 and the first box body 2 are vertically opposite; electronic jar 4 can drive second box 5 and move or keep away from first box 2 motion to first box 2 for second box 5 and first box 2 realize linking to each other and breaking away from of open end, when placing large-scale bearing on the subassembly is placed to the bearing, should drive second box 5 through electronic jar 4 and keep away from first box 2, reserve the space for placing large-scale bearing, large-scale bearing places the subassembly on the bearing and places the back that finishes and drive second box 5 through electronic jar 4 and move to first box 2, make second box 5 and first box 2 contact.
A rectangular through hole 501 is vertically arranged on the left side wall of the second box body 5, and the rectangular through hole 501 is positioned right above the middle position of the left side wall of the second box body 5; an n-shaped plate 16 is respectively arranged on the outer wall of the left side of the second box body 5 above and below the rectangular through hole 501, two ends of the n-shaped plate 16 are fixedly connected with the outer wall of the left side of the second box body 5, the n-shaped plate 16 is transversely provided with a threaded through hole, and a clamping bolt 19 is arranged in the threaded through hole; a sliding plate 17 is arranged in the two n-shaped plates 16, a rubber sealing plate 18 is arranged on the right side wall of the sliding plate 17, the oil injection pipe 6 penetrates through the sliding plate 17, the rubber sealing plate 18 and the rectangular through hole 501, so that the right end of the oil injection pipe 6 is positioned in the second box body 5, the left end of the oil injection pipe 6 is positioned on the left side of the left side wall of the second box body 5, the left end of the oil injection pipe 6 is connected with an oil supply system, the oil supply system conveys oil liquid for heating and flushing at a certain temperature into the oil injection pipe 6, and then the oil liquid is sprayed out from the right end of the oil injection pipe 6 to perform oil; the oil injection pipe 6 is fixedly connected with the sliding plate 17, and a gap is not formed between the oil injection pipe 6 and the sliding plate 17, so that oil leakage cannot occur between the oil injection pipe 6 and the sliding plate 17; because the positions of the rolling bodies of the large bearings with different inner diameters are different, the height position of the oil spraying pipe 6 needs to be adjustable, the oil spraying pipe 6 can move downwards in the rectangular through hole 501 to adjust the height position, after the oil spraying pipe 6 is adjusted to a proper position, the clamping bolts 19 are screwed, the sliding plate 17 is fixed, namely the oil spraying pipe 6 is fixed, the sliding plate 17 is long enough, so that the sliding plate 17 can completely shield the rectangular through hole 501 no matter the oil spraying pipe 6 is positioned at any position in the rectangular through hole 501, the sealing of the rectangular through hole 501 can be realized through the rubber sealing plate 18, and the oil leakage at the rectangular through hole 501 can be prevented.
The observation window 20 made of transparent materials is arranged at the observation port, and the observation window 20 is used for checking whether the right end of the oil injection pipe 6 is aligned with the rolling body of the bearing arranged on the bearing arrangement assembly or not, so that the position adjustment of the oil injection pipe 6 is visual, the adjustment is more accurate and rapid, the use of the oil injection pipe is facilitated, and the use effect and the use efficiency of the oil injection pipe are improved.
The outer wall of the right end of the oil injection pipe 6 is provided with an external thread structure, and the right end of the oil injection pipe 6 is in threaded connection with a conical oil injection nozzle 21; when a large bearing placed on the bearing placing assembly needs to be washed, the tapered oil nozzle 21 is arranged at the right end of the oil injection pipe 6, so that the washing effect of the large bearing is better; the large-scale bearing placed on the bearing placing component is heated only, and when the bearing placing component is not required to be washed, the tapered oil nozzle 21 is not installed, so that oil sprayed out of the oil spraying pipe 6 is wider in heating surface of the large-scale bearing, the heating effect is better, and the efficiency is higher.
The oil supply system comprises a base 22, an electric heating plate 23, a metal oil tank 24, an oil supply pump 25 and a filter 26, wherein the metal oil tank 24 is placed on the base 22, the electric heating plate 23 is positioned between the bottom wall of the metal oil tank 24 and the base 22, and the metal oil tank 24 is provided with a temperature sensor 27 for detecting the oil temperature in the metal oil tank 24; heating oil is placed in the metal oil tank 24, the electric heating plate 23 is started to heat the heating oil placed in the metal oil tank 24, the oil temperature of the heating oil is measured through the temperature sensor 27, after the heating oil is heated to a proper temperature (such as 90 ℃), the electric heating plate 23 is stopped, the heating oil is stopped, and the large-scale bearing is prevented from being damaged due to overhigh temperature of the heating oil.
An oil suction port of the oil supply pump 25 is communicated with the metal oil tank 24 through a first oil pipe 28, an oil discharge port of the oil supply pump 25 is connected with an oil inlet of the filter 26, and an oil outlet of the filter 26 is connected with the left end of the oil injection pipe 6 through a second oil pipe 29 and a third oil pipe 30 in sequence; starting the oil supply pump 25, sucking the heating oil in the metal oil tank 24 into the pump by the oil supply pump 25, conveying the heating oil to the filter 26, filtering the heating oil by the filter 26, sequentially passing through the second oil pipe 29 and the third oil pipe 30 to enter the oil injection pipe 6, and spraying out from the right end of the oil injection pipe 6 to carry out hot oil washing and heating on a large bearing arranged on the bearing arrangement component; the filter 26 is arranged so that the heating oil entering the oil injection pipe 6 does not contain impurities, secondary pollution to a large bearing is avoided, and the third oil pipe 30 is a hose and does not influence the movement of the electric cylinder 4 driving the second box 5. In order to reduce the loss of the temperature of the heating oil, an insulating layer may be provided on the outer sides of the metal oil tank 24, the first tank 2 and the second tank 5.
Referring to fig. 11, in the embodiment of the present invention, the temperature sensor 27 is electrically connected to an intelligent temperature controller, the intelligent temperature controller is electrically connected to the electric heating plate 23 through an intermediate relay and an ac contactor, the temperature sensor 27 detects the temperature of the heated oil in the metal oil tank 24, and transmits a temperature signal to the intelligent temperature controller, a heating temperature can be set on the intelligent temperature controller, when the temperature of the heated oil in the metal oil tank 24 reaches the heating temperature set on the intelligent temperature controller, the intelligent temperature controller controls the ac contactor electrically connected to the electric heating plate 23 to be powered off through the intermediate relay, and the electric heating plate 23 stops heating the heated oil; the automatic temperature regulation of the heating oil is realized, so that the intelligent oil heating device is more intelligent and more convenient to use.
The oil return system comprises an oil return pump 31, an oil outlet pipe 32 is arranged on the bottom wall or the side wall of the lower end of the second box body 5, an oil suction port of the oil return pump 31 is connected with the oil outlet pipe 32 through a fourth oil pipe 33, and an oil discharge port of the oil return pump 31 is communicated with the metal oil tank 24 through a fifth oil pipe 34; the heating oil sprayed from the right end of the oil pipe 6 flows to the inner bottoms of the first box body 2 and the second box body 5, and the oil return pump 31 conveys the heating oil flowing to the inner bottoms of the first box body 2 and the second box body 5 back to the metal oil tank 24, so that the circulating flow of the heating oil is realized; the fourth oil pipe 33 is a hose, and the movement of the second box 5 driven by the electric cylinder 4 is not affected.
An annular sealing rubber layer is arranged on the end face of the outer contour of the opening end of the first oil tank 2 and/or the opening end of the second oil tank 5, so that when the opening ends of the second oil tank 5 and the first oil tank 2 are pressed and contacted together under the action of the electric cylinder 4, oil leakage between the second oil tank 5 and the first oil tank 2 can be avoided.
The working principle of the invention is as follows: adjusting the position of each T-shaped sliding block 8 in the T-shaped groove 701 under the indication action of the scales 14 according to the inner diameter of the large bearing to be heated or flushed, and tightening each fixing bolt 10 after the adjustment is finished to fix the T-shaped sliding block 8; firstly, removing the limit baffle 13, sleeving the large bearing on the rubber sleeve 11, and then installing the limit baffle 13; starting the electric cylinder 4, pressing and contacting the second box body 5 and the open end of the first oil tank 2 together, adjusting the position of the oil pipe 6 to enable the right end of the oil pipe 6 to be aligned with a rolling body of a large bearing placed on the bearing heating assembly, screwing each clamping bolt 19 after adjustment is finished, and fixing the position of the oil pipe 6; the driving motor 36 is started, the electric heating plate 23, the oil supply pump 25 and the oil return pump 31 are started, the driving motor 36 drives the rotating shaft 3 to rotate through the speed reducer 35, the rotating shaft 3 rotates to drive the disc 7 to rotate, the disc 7 rotates to drive the large-scale bearing to rotate through the T-shaped sliding block 8 and the fixed shaft 9, in the rotating process of the large-scale bearing, heating oil conveyed to the oil pipe 6 by the oil supply pump 25 is sprayed to the rolling body of the large-scale bearing to wash and heat the large-scale bearing, the heating oil sprayed out of the right end of the oil pipe 6 can flow to the inner bottoms of the first box body 2 and the second box body 5, the oil return pump 31 conveys the heating oil flowing to the inner bottoms of the first box body 2 and the second box body 5 back to the metal oil tank 24, and.
In conclusion, the invention can conveniently and effectively wash and heat the large bearing, when the large bearing for the mining machinery which needs to be cleaned by impurities is heated, the invention is used for replacing an induction type bearing heater, and the problem that the induction type bearing heater needs to be used for heating the large bearing for the mining machinery, a bearing cleaning device needs to be arranged, and the use of the induction type bearing heater and the large bearing needs to be switched, so that the use is very troublesome is avoided.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a large-scale for bearing heating device of mining machinery, includes frame (1), its characterized in that: also comprises
The bearing placing device comprises a first box body (2), wherein the first box body (2) is fixedly arranged on a rack (1), the left side of the first box body (2) is provided with an opening, a driving device is arranged on the outer wall of the right side of the first box body (2), a bearing placing assembly is arranged in the first box body (2), the bearing placing assembly can drive a bearing to rotate in a vertical plane, and the bearing placing assembly is connected with the output end of the driving device through a rotating shaft (3);
the electric cylinder (4), the electric cylinder (4) is arranged on the rack (1), and the electric cylinder (4) is horizontally arranged;
the middle position of the outer wall of the left side of the second box body (5) is fixedly connected with the top end of an output rod of the electric cylinder (4), the right side of the second box body (5) is provided with an opening, the shapes and the sizes of the open ends of the second box body (5) and the first box body (2) are the same, and the open ends of the second box body (5) and the first box body (2) are vertically opposite;
the right end of the oil spraying pipe (6) is positioned in the second box body (5), the left end of the oil spraying pipe (6) is positioned on the left side of the left side wall of the second box body (5), and the oil spraying pipe (6) is used for spraying oil to heat and washing oil to a bearing placed on the bearing placing assembly;
the oil supply system is connected with the left end of the oil injection pipe (6) and is used for conveying oil liquid for heating and flushing at a certain temperature into the oil injection pipe (6);
a rectangular through hole (501) is vertically formed in the left side wall of the second box body (5), and the rectangular through hole (501) is located right above the middle position of the left side wall of the second box body (5); an n-shaped plate (16) is arranged on the outer wall of the left side of the second box body (5) and positioned above and below the rectangular through hole (501), two ends of the n-shaped plate (16) are fixedly connected with the outer wall of the left side of the second box body (5), a threaded through hole is formed in the transverse part of the n-shaped plate (16), and a clamping bolt (19) is installed in the threaded through hole; a sliding plate (17) is arranged in the two n-shaped plates (16), a rubber sealing plate (18) is arranged on the right side wall of the sliding plate (17), the oil injection pipe (6) penetrates through the sliding plate (17), the rubber sealing plate (18) and the rectangular through hole (501), the oil injection pipe (6) is fixedly connected with the sliding plate (17), and a gap is not formed between the oil injection pipe and the sliding plate; the first box body (2) or the second box body (5) is provided with an observation port, an observation window (20) made of transparent materials is installed at the observation port, and the observation window (20) is used for checking whether the right end of the oil injection pipe (6) is aligned with a rolling body of a bearing placed on the bearing placing assembly;
and the oil return system is used for recovering oil sprayed to the bearing by the oil spraying pipe (6) and conveying the oil back to the oil supply system.
2. The heating device for the large-scale bearing of the mining machinery, according to claim 1, is characterized in that the bearing placement component comprises a disc (7), a shaft sleeve (37) for connecting with the rotating shaft (3) is arranged in the middle of the right side wall of the disc (7), three T-shaped grooves (701) are arranged on the left side wall of the disc (7), the length direction of the T-shaped grooves (701) points to the central rotating shaft of the disc (7), the T-shaped grooves (701) extend to the outer end side wall of the disc (7), and the three T-shaped grooves (701) are uniformly arranged along the circumferential direction of the disc (7); t-shaped sliding blocks (8) matched with the T-shaped grooves are arranged in the T-shaped grooves (701), fixing shafts (9) are vertically connected to the left side walls of the T-shaped sliding blocks (8), threaded through holes are formed in the T-shaped sliding blocks (8), and fixing bolts (10) are installed in the threaded through holes.
3. The heating device for the large-scale bearing of the mining machinery, according to claim 2, is characterized in that the fixed shaft (9) is arranged close to the outer end of the T-shaped sliding block (8), the threaded through hole arranged on the T-shaped sliding block (8) is arranged close to the inner end of the T-shaped sliding block (8), the number of the threaded through holes is two, and one fixing bolt (10) is arranged in each threaded through hole.
4. The heating device for the large-sized bearing of the mining machinery, according to claim 2, is characterized in that the fixed shaft (9) has a two-stage stepped shaft structure, the large-diameter shaft body of the fixed shaft (9) is fixedly connected with the T-shaped sliding block (8), the small-diameter shaft body of the fixed shaft (9) is sleeved with a rubber sleeve (11), the outer wall of the rubber sleeve (11) is provided with an anti-slip structure, and the outer diameter of the rubber sleeve (11) is smaller than the diameter of the large-diameter shaft body of the fixed shaft (9); the end face of the small-diameter shaft body of the fixing shaft (9) is provided with a threaded hole (901), the end face of the small-diameter shaft body of the fixing shaft (9) is detachably connected with a limiting baffle (13) through a limiting bolt (12), and the rod part of the limiting bolt (12) penetrates through a plate body of the limiting baffle (13) and is screwed into the threaded hole (901).
5. The heating device for the large-scale bearing of the mining machine according to claim 2, wherein three sets of scales (14) are arranged on the left side wall of the disc (7), and the three sets of scales (14) are respectively arranged close to the three T-shaped grooves (701) and along the length direction of the T-shaped grooves (701); the T-shaped sliding block (8) is fixedly connected with an arrow (15), the T-shaped sliding block (8) drives the arrow (15) to move along the length direction of the T-shaped groove (701), and the arrow (15) is located on the left side of the disc (7) and points to the scale (14).
6. The heating device for the large-scale bearing of the mining machinery as claimed in any one of claims 1 to 5, wherein an external thread structure is arranged on the outer wall of the right end of the oil spray pipe (6), and the right end of the oil spray pipe (6) is in threaded connection with a tapered oil spray nozzle (21).
7. The heating device for the large bearing of the mining machine according to any one of claims 1 to 5, characterized in that the oil supply system comprises a base (22), an electric heating plate (23), a metal oil tank (24), an oil supply pump (25) and a filter (26), the metal oil tank (24) is placed on the base (22), the electric heating plate (23) is located between the bottom wall of the metal oil tank (24) and the base (22), and the metal oil tank (24) is provided with a temperature sensor (27) for detecting the temperature of oil in the metal oil tank (24); an oil suction port of the oil supply pump (25) is communicated with the metal oil tank (24) through a first oil pipe (28), an oil discharge port of the oil supply pump (25) is connected with an oil inlet of the filter (26), an oil outlet of the filter (26) is connected with the left end of the oil injection pipe (6) sequentially through a second oil pipe (29) and a third oil pipe (30), and the third oil pipe (30) is a hose.
8. The heating device for the large-sized bearing of the mining machine according to claim 7, wherein the temperature sensor (27) is electrically connected with an intelligent temperature controller, and the intelligent temperature controller is electrically connected with the electric heating plate (23) through an intermediate relay and an alternating current contactor.
9. The heating device for the large-scale bearing of the mining machine according to claim 8, wherein the oil return system comprises an oil return pump (31), an oil outlet pipe (32) is arranged on the bottom wall or the lower end side wall of the second box body (5), an oil suction port of the oil return pump (31) is connected with the oil outlet pipe (32) through a fourth oil pipe (33), the fourth oil pipe (33) is a hose, and an oil discharge port of the oil return pump (31) is communicated with the metal oil tank (24) through a fifth oil pipe (34); and an annular sealing rubber layer is arranged on the end surface of the outer contour of the opening end of the first box body (2) and/or the opening end of the second box body (5).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010255694.9A CN111330893B (en) | 2020-04-02 | 2020-04-02 | Heating device for large bearing of mining machinery |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010255694.9A CN111330893B (en) | 2020-04-02 | 2020-04-02 | Heating device for large bearing of mining machinery |
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| CN111330893A CN111330893A (en) | 2020-06-26 |
| CN111330893B true CN111330893B (en) | 2021-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN112880192B (en) * | 2021-01-28 | 2021-08-27 | 天津华建天恒传动有限责任公司 | Large rolling bearing oil bath treatment device and method |
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| US1878277A (en) * | 1928-11-17 | 1932-09-20 | Standard Steel And Bearings In | Machine for washing ball bearings |
| CN204134938U (en) * | 2014-09-18 | 2015-02-04 | 杨木超 | Polytypic bearing cleaning machine |
| CN204159593U (en) * | 2014-10-13 | 2015-02-18 | 太仓越华精密机械配件有限公司 | A kind of bearing cleaning equipment |
| CN105605106A (en) * | 2014-04-12 | 2016-05-25 | 方义飞 | Bearing pedestal, cleaning method of oil cavity thereof, engineering machine and mineral engineering machine |
| CN205702525U (en) * | 2015-12-25 | 2016-11-23 | 浙江三鸥机械股份有限公司 | A kind of chuck |
| CN106244787A (en) * | 2016-10-11 | 2016-12-21 | 南宁钛银科技有限公司 | Gear wheel in large diameter high frequency heat processing equipment |
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2020
- 2020-04-02 CN CN202010255694.9A patent/CN111330893B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1878277A (en) * | 1928-11-17 | 1932-09-20 | Standard Steel And Bearings In | Machine for washing ball bearings |
| CN105605106A (en) * | 2014-04-12 | 2016-05-25 | 方义飞 | Bearing pedestal, cleaning method of oil cavity thereof, engineering machine and mineral engineering machine |
| CN204134938U (en) * | 2014-09-18 | 2015-02-04 | 杨木超 | Polytypic bearing cleaning machine |
| CN204159593U (en) * | 2014-10-13 | 2015-02-18 | 太仓越华精密机械配件有限公司 | A kind of bearing cleaning equipment |
| CN205702525U (en) * | 2015-12-25 | 2016-11-23 | 浙江三鸥机械股份有限公司 | A kind of chuck |
| CN106244787A (en) * | 2016-10-11 | 2016-12-21 | 南宁钛银科技有限公司 | Gear wheel in large diameter high frequency heat processing equipment |
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| CN111330893A (en) | 2020-06-26 |
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Effective date of registration: 20210415 Address after: 312560 No.51, Xinshi Road, industrial park, Xinchang County, Shaoxing City, Zhejiang Province Applicant after: XINCHANG CHANGTAI BEARING Co.,Ltd. Address before: 236000 601, building 4, QingWang Science Park, Yingquan District, Fuyang City, Anhui Province Applicant before: Liu Qiaoqing |
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