CN113649418A - Tooth coupling and hot rolling finishing mill group - Google Patents
Tooth coupling and hot rolling finishing mill group Download PDFInfo
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- CN113649418A CN113649418A CN202110794200.9A CN202110794200A CN113649418A CN 113649418 A CN113649418 A CN 113649418A CN 202110794200 A CN202110794200 A CN 202110794200A CN 113649418 A CN113649418 A CN 113649418A
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- 230000008878 coupling Effects 0.000 title claims abstract description 51
- 238000010168 coupling process Methods 0.000 title claims abstract description 51
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 51
- 238000005098 hot rolling Methods 0.000 title description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 26
- 230000000903 blocking effect Effects 0.000 claims description 20
- 229910052742 iron Inorganic materials 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 239000004519 grease Substances 0.000 abstract description 22
- 230000001050 lubricating effect Effects 0.000 abstract description 16
- 230000005540 biological transmission Effects 0.000 abstract description 10
- 238000000926 separation method Methods 0.000 abstract description 3
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 238000005461 lubrication Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007142 ring opening reaction Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B35/00—Drives for metal-rolling mills, e.g. hydraulic drives
- B21B35/14—Couplings, driving spindles, or spindle carriers specially adapted for, or specially arranged in, metal-rolling mills
- B21B35/142—Yielding spindle couplings; Universal joints for spindles
- B21B35/143—Yielding spindle couplings; Universal joints for spindles having slidably-interengaging teeth, e.g. gear-type couplings
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- General Details Of Gearings (AREA)
Abstract
The invention belongs to the technical field of mechanical equipment transmission, and particularly relates to a gear coupling and a hot finishing mill group. The gear coupling comprises a driving end external gear shaft sleeve, a driving end inner gear ring, a driving end cover, a driven end external gear shaft sleeve, a driven end inner gear ring, a driven end cover, a first oil retainer ring and a second oil retainer ring, wherein the driving end external gear shaft sleeve and the driving end inner gear ring are respectively provided with a first end and a second end which are opposite, and the first oil retainer ring is arranged between the second end of the driving end inner gear ring and the second end of the driving end external gear shaft sleeve; the driving end external gear sleeve and the driving end inner gear ring are provided with a first end and a second end which are opposite to each other, the second oil retainer is arranged between the first end of the driven end inner gear ring and the first end of the driven end external gear sleeve, the first oil retainer and the second oil retainer form a closed cavity, when lubricating grease is supplemented to the first tooth head and the second tooth head, the lubricating grease cannot enter the closed cavity due to the separation of the first oil retainer and the second oil retainer, and the using amount of the lubricating grease is greatly saved.
Description
Technical Field
The invention belongs to the technical field of mechanical equipment transmission, and particularly relates to a gear coupling and a hot finishing mill group.
Background
The large drum-shaped tooth type gear coupling has strong bearing capacity, can compensate the angular, axial and radial installation errors of two connecting shafts caused by the misalignment of the axes, has wide application in the aspect of shafting transmission under the low-speed and heavy-load working condition, and is particularly applied between a main motor and a main speed reducer of a hot-rolling finishing mill set of a steel enterprise.
In the tooth shaft coupling, the external tooth passes through the meshing of gear pair, in the time of actual operation, because in the tooth shaft coupling, the external tooth flank can periodic axial relative slip, consequently use grease to lubricate gear pair usually among the prior art, prevent teeth of a cogwheel surface wearing and tearing, but when replenishing the grease, all need the grease to be full of behind all cavities of tooth shaft coupling inside, just enable the tooth flank clearance and the tooth top clearance of meshing gear pair and be full of grease, thereby make the work tooth surface just can obtain fully lubricated, and the inside cavity of tooth shaft coupling is including the non-transmission position that need not carry out the lubrication, consequently, cause the very big waste to the grease.
Disclosure of Invention
The application provides a pair of tooth shaft coupling and hot rolling finishing mill group has solved and has caused very big extravagant technical problem to the grease among the prior art.
On the one hand, this application provides a tooth shaft coupling and hot rolling finishing mill group, the tooth shaft coupling includes initiative end external tooth axle sleeve, initiative end ring gear, initiative end cover, driven end external tooth axle sleeve, driven end ring gear, driven end cover, first oil slinger and second oil slinger, wherein:
the driving end external gear sleeve and the driving end inner gear ring are provided with a first end and a second end which are opposite, a first tooth head is arranged in the middle of the outer peripheral surface of the driving end external gear sleeve, the middle of the driving end inner gear ring is meshed with the first tooth head, the driving end cover is arranged between the first end of the driving end inner gear ring and the first end of the driving end external gear sleeve, the driving end cover, the driving end external gear sleeve, the driving end inner gear ring and the first tooth head enclose a first oil cavity, the first oil baffle ring is arranged between the second end of the driving end inner gear ring and the second end of the driving end external gear sleeve, and the first oil baffle ring, the driving end external gear sleeve, the driving end inner gear ring and the first tooth head enclose a second oil cavity;
the driven end external tooth shaft sleeve and the driving end external tooth shaft sleeve are oppositely arranged, the driven end external tooth shaft sleeve and the driven end inner gear ring are respectively provided with a first end and a second end which are opposite, the second end of the driving end inner gear ring is connected with the first end of the driven end inner gear ring, a second tooth head is arranged in the middle of the outer peripheral surface of the driven end external tooth shaft sleeve, the middle of the driven end inner gear ring is meshed with the second tooth head, the driven end cover is arranged between the second end of the driven end inner gear ring and the second end of the driven end external tooth shaft sleeve, a third oil cavity is enclosed by the driven end cover, the driven end external tooth shaft sleeve, the driven end inner gear ring and the second tooth head, the second oil retaining ring is arranged between the first end of the driven end inner gear ring and the first end of the driven end external tooth shaft sleeve, and the first oil retaining ring, And a fourth oil cavity is defined by the driven end external tooth shaft sleeve, the driven end internal gear ring and the first gear head.
Furthermore, a first flange plate is arranged at the second end of the driving end ring gear, a second flange plate is arranged at the first end of the driven end ring gear, and the first flange plate is connected with the second flange plate through a second bolt.
Further, the first oil retainer ring and the second oil retainer ring respectively comprise an assembly ring and a flange arranged on the periphery of the assembly ring, the outer ring of the flange is covered with a flexible layer, the assembly ring of the first oil retainer ring is fixedly sleeved on the driving end external gear shaft sleeve, and the flexible layer of the flange of the first oil retainer ring is in contact with the driving end inner gear ring; the assembly ring of the second oil retainer is fixedly sleeved on the driven end external gear shaft sleeve, and the flexible layer of the flange of the second oil retainer is in contact with the driven end internal gear ring.
Furthermore, the first oil slinger and the second oil slinger are both made of steel, the inner ring of the first oil slinger is in interference fit with the outer ring of the driving end external tooth shaft sleeve, and the inner ring of the second oil slinger is in interference fit with the outer ring of the driven end external tooth shaft sleeve.
Furthermore, the first oil slinger and the second oil slinger are both made of flexible materials, the first oil slinger and the second oil slinger are both composed of two half rings, first bosses are arranged on the outer sides of two ends of an opening of one of the half rings, second bosses are arranged on the outer sides of two ends of an opening of the other half ring, the first bosses correspond to the second bosses one to one, and each first boss is fixedly connected with the corresponding second boss.
Further, the distance between the flange of the first oil retainer and the inner gear ring at the driving end and the distance between the flange of the second oil retainer and the inner gear ring at the driven end are both 3-6 mm, the flexible layer is of a strip-shaped structure, and the diameter of the strip-shaped structure is 6-10 mm.
Further, vertical one side of tooth shaft coupling is equipped with first exhaust apparatus and second exhaust apparatus, wherein:
first exhaust apparatus sets up second oil pocket top, second exhaust apparatus sets up fourth oil pocket top, first exhaust apparatus and second exhaust apparatus all include body, passageway, exhaust hole and spacing subassembly, wherein, be provided with in the body the passageway, the exhaust hole with one side intercommunication of passageway, the shutoff subassembly sets up in the passageway, the shutoff subassembly is operative to be plugged up the exhaust hole, first exhaust apparatus's passageway with second oil pocket intercommunication, second exhaust apparatus's passageway with fourth oil pocket intercommunication.
Further, the passageway includes first passageway and second passageway, the shutoff subassembly includes first bolt, elastic component and shutoff piece, wherein:
the first channel and the second channel are sequentially arranged in the body from bottom to top, the first channel is coaxially communicated with the second channel, the inner diameter of the first channel is smaller than that of the second channel, limiting steps are formed on the left side and the right side of the joint of the first channel and the second channel, and the exhaust hole is communicated with one side of the second channel;
the top of the second channel is in threaded connection with the first bolt, the bottom of the first bolt is connected with the elastic piece, the bottom of the elastic piece is connected with the blocking block, when the first bolt is screwed down, the elastic piece is in a compressed state, the blocking block is arranged on the limiting step, and the blocking block covers the exhaust hole; when the first bolt is unscrewed, the elastic piece is released, and the blocking block is separated from the exhaust hole; the first passage of the first exhaust device is communicated with the second oil chamber, and the first passage of the second exhaust device is communicated with the fourth oil chamber.
Furthermore, a stop iron is arranged on the other vertical side of the gear coupling, a proximity switch is further arranged under the gear coupling, when the first exhaust device and the second exhaust device are located at the highest point, the stop iron is in contact with the proximity switch, and the proximity switch and a prime mover assembled on the external gear shaft sleeve of the driving end are electrically connected with the controller.
On the other hand, the application also provides a hot finishing mill group, 10 the hot finishing mill group includes above tooth shaft coupling.
The beneficial effect of this application is as follows:
the utility model provides a hot rolling finishing mill group, including the tooth shaft coupling, because this tooth shaft coupling has increased first oil slinger between the second end of drive end external tooth axle sleeve and the second end of drive end ring gear, increased the second oil slinger between the first end of drive end external tooth axle sleeve and the first end of driven end ring gear, consequently, form closed cavity between first oil slinger and the second oil slinger, this closed cavity is non-transmission position, need not the lubricating grease lubrication, when replenishing lubricating grease to first tooth head and second tooth head, because the separation of first oil slinger and second oil slinger, lubricating grease can't get into closed cavity, the quantity of lubricating grease has been saved greatly.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.
Fig. 1 is a cross-sectional view of a large drum-tooth coupling with an oil slinger according to the present embodiment;
fig. 2 is a front view of a first oil slinger and a second oil slinger made of steel according to the present embodiment;
fig. 3 is a side view of the first slinger and the second slinger made of steel according to the present embodiment;
fig. 4 is a front view of the first oil slinger and the second oil slinger made of flexible materials according to the present embodiment;
fig. 5 is a side view of the first slinger and the second slinger made of flexible materials according to the present embodiment;
fig. 6 is a structural diagram of the first exhaust device and the second exhaust device according to the present embodiment.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The application provides a tooth coupling, fig. 1 is the sectional view of the large-scale drum-type tooth coupling of taking oil retainer ring that this embodiment provided, combine fig. 1, tooth coupling includes driving end external tooth axle sleeve 1 in this embodiment, driving end ring gear 5, driving end cover 3, driven end external tooth axle sleeve 14, driven end ring gear 10, driven end cover 12, first oil retainer ring and second oil retainer ring, the outer lane of prime mover main shaft is assembled to the inner circle of driving end external tooth axle sleeve 1 of tooth coupling, the inner circle of driven end external tooth axle sleeve 14 of tooth coupling is assembled in the outer lane of load machine main shaft.
Referring to fig. 1, in this embodiment, each of the driving-end external gear sleeve 1 and the driving-end internal gear ring 5 has a first end and a second end opposite to each other, a first tooth head 2 is disposed in the middle of the outer peripheral surface of the driving-end external gear sleeve 1, the middle of the driving-end internal gear ring 5 is engaged with the first tooth head 2, the driving-end cover 3 is disposed between the first end of the driving-end internal gear ring 5 and the first end of the driving-end external gear sleeve 1, the driving-end cover 3, the driving-end external gear sleeve 1, the driving-end internal gear ring 5 and the first tooth head 2 enclose a first oil cavity 4, a first oil retainer 15 is disposed between the second end of the driving-end internal gear ring 5 and the second end of the driving-end external gear sleeve 1, and the first oil retainer 15, the driving-end external gear sleeve 1, the driving-end internal gear ring 5 and the first tooth head 2 enclose a second oil cavity 6.
Further, in the present embodiment, the driven end external gear sleeve 14 is disposed opposite to the driving end external gear sleeve 1, the driven end external gear sleeve 14 and the driven end internal gear ring 10 also have a first end and a second end, the second end of the driving end internal gear ring 5 is connected to the first end of the driven end internal gear ring 10, a second tooth head 13 is disposed in the middle of the outer peripheral surface of the driven end external gear sleeve 14, the middle of the driven end internal gear ring 10 is engaged with the second tooth head 13, the driven end cover 12 is disposed between the second end of the driven end internal gear ring 10 and the second end of the driven end external gear sleeve 14, the driven end cover 12, the driven end external gear sleeve 14, the driven end internal gear ring 10 and the second tooth head 13 enclose a third oil cavity 11, a second oil retainer ring 16 is disposed between the first end of the driven end internal gear ring 10 and the first end of the driven end external gear sleeve 14, a first oil retainer ring 15, a driven end external gear sleeve 14, and a second oil retainer ring 13 are disposed between the first end of the driven end external gear sleeve 10 and the driven end external gear sleeve 14, A fourth oil chamber 9 is enclosed by the driven end inner gear ring 10 and the first gear head 2.
The gear coupling provided by the embodiment has the advantages that the first oil slinger 15 and the second oil slinger 16 are added, the closed cavity formed between the first oil slinger 15 and the second oil slinger 16 is a non-transmission part, lubricating grease lubrication is not needed, when lubricating grease is injected into the first oil cavity 4, the second oil cavity 6, the third oil cavity 9 and the fourth oil cavity 11, the lubricating grease cannot enter the closed cavity due to the separation of the first oil slinger 15 and the second oil slinger 16, the using amount of the lubricating grease is greatly saved, when the gear coupling operates, the lubricating grease is always filled in the gaps of the meshing surfaces of the first gear head 2 and the second gear head 13 under the action of centrifugal force.
Referring to fig. 1, in the present embodiment, a first flange 31 is disposed at a second end of the driving-end ring gear 5, a second flange 32 is disposed at a first end of the driven-end ring gear 10, and the first flange 31 and the second flange 32 are connected by a second bolt 33, so that the driving-end external gear sleeve 1 is connected to the driven-end external gear sleeve 14.
Based on the fact that the axes of the coupler are not on the same straight line during operation, the oil slinger and the ring gear interfere with each other and are squeezed, fig. 2 is a front view of the first oil slinger and the second oil slinger made of steel provided in this embodiment, fig. 3 is a side view of the first oil slinger and the second oil slinger made of steel provided in this embodiment, and referring to fig. 2 and fig. 3, in this embodiment, the first oil slinger 15 and the second oil slinger 16 both include an assembly ring 20 and a flange 19 disposed on the periphery of the assembly ring 20, in this embodiment, the flange 19 is disposed at one end of the assembly ring 20, the outer ring of the flange 19 is covered with a flexible layer, the assembly ring 20 of the first oil slinger 15 is fixedly sleeved on the driving-end external tooth shaft sleeve 1, and the flexible layer of the flange 19 of the first oil slinger 15 is in contact with the driving-end ring gear 5; the assembly ring 20 of the second oil retainer 16 is fixedly sleeved on the driven end external gear shaft sleeve 14, the flexible layer of the flange 19 of the second oil retainer 16 is in contact with the driven end internal gear ring 10, and the flexible layer can counteract interference and extrusion between the oil retainer and the internal gear ring.
Preferably, the flexible layer in this embodiment may be rubber, felt, or the like; the outer ring of the flange 19 may be provided with a sealing groove 23, the flexible layer is installed in the sealing groove 23, and a part of the flexible layer protrudes out of the sealing groove 23.
When the first oil slinger 15 and the second oil slinger 16 are made of steel, the first oil slinger 15 and the second oil slinger 16 are both of an integrated structure, the inner ring of the first oil slinger 15 is in interference fit with the outer ring of the driving end external tooth shaft sleeve 1, and the inner ring of the second oil slinger 16 is in interference fit with the outer ring of the driven end external tooth shaft sleeve 14.
Further, the first oil slinger 15 and the second oil slinger 16 may also be made of flexible materials, fig. 4 is a front view of the first oil slinger and the second oil slinger which are made of flexible materials and fig. 5 is a side view of the first oil slinger and the second oil slinger which are made of flexible materials and provided by this embodiment, with reference to fig. 4 and 5, when the first oil slinger 15 and the second oil slinger 16 are made of flexible materials, the first oil slinger 15 and the second oil slinger 16 are both in a split structure, each of the first oil slinger 15 and the second oil slinger 16 is composed of two half rings, wherein the outer sides of both ends of one half ring opening are both provided with a first boss 21, the outer sides of both ends of the other half ring opening are both provided with a second boss 22, the first bosses 21 correspond to the second bosses 22 one to one another, each first boss 21 is fixedly connected to the corresponding second boss 22, so that the two half rings of the first oil slinger 15 are fixedly sleeved on the driving-end external gear shaft sleeve 1, two half rings of the second oil control ring 16 are fixedly sleeved on the driven end external gear sleeve 14, specifically, in the embodiment, each first boss 21 is connected with the corresponding second boss 22 through a bolt.
It is conceivable that the first bosses 21 are provided on the outer sides of both ends of one of the openings of the half rings, the grooves are provided on the outer sides of both ends of the other opening of the half rings, the first bosses 21 are provided in one-to-one correspondence with the grooves, and each of the first bosses 21 is fitted into the corresponding groove, thereby connecting the two half rings.
Preferably, the flexible material may be a synthetic resin, a plastic plate, nylon, or the like, which is not limited in this embodiment.
Further, in the embodiment, the distance between the flange 19 of the first oil retainer 15 and the driving end ring gear 5 and the distance between the flange 19 of the second oil retainer 16 and the driven end ring gear 10 are both 3-6 mm, the flexible layer is of a strip-shaped structure, the diameter of the strip-shaped structure is 6-10 mm, and when the gear coupling operates, the flexible layer is slightly extruded to ensure the sealing property.
When a prime motor or a loading machine is replaced, a dial indicator is needed to align the coaxiality and the opening degree of the two main shafts, the base of the dial indicator is generally fixed on the second end face of the driving end external tooth shaft sleeve 1, the pointer is fixed on the first end face of the driven end external tooth shaft sleeve 14, in order to avoid the influence of the first oil retainer ring 15 and the second oil retainer ring 16 on the coaxiality, the distance between the first oil retainer ring 15 and the second end face of the driving end external tooth shaft sleeve 1 in the embodiment is 30-50 mm, and the distance between the second oil retainer ring 16 and the first end face of the driven end external tooth shaft sleeve 14 is 30-50 mm.
In actual continuous operation, because the meshing tooth surfaces of the first tooth head 2 and the second tooth head 13 can periodically slide axially relative to each other, heat is generated due to dynamic and static friction, positive pressure is generated inside the tooth coupling due to internal temperature rise, and additional continuous axial force is applied to the main shaft bearing of the prime mover and the load machine, so that the service life of the bearing of the prime mover and the load machine is shortened, and therefore high-temperature internal gas needs to be discharged periodically, based on this, fig. 6 is a structural diagram of the first exhaust device 7 and the second exhaust device 8 provided in this embodiment, with reference to fig. 1 and 6, the first exhaust device 7 and the second exhaust device 8 are arranged on one vertical side of the tooth coupling in this embodiment, the first exhaust device 7 is arranged at the top of the second oil cavity 6, the second exhaust device 8 is arranged at the top of the fourth oil cavity 9, and both the first exhaust device 7 and the second exhaust device 8 comprise a body 24, A passage, a vent 28 and a limiting assembly, wherein the body 24 is provided with the passage, the vent 28 is communicated with one side of the passage, the blocking assembly is arranged in the passage, the blocking assembly is operable to block the vent 28, the passage of the first exhaust device 7 is communicated with the second oil chamber 6, and the passage of the second exhaust device 8 is communicated with the fourth oil chamber 9.
Further, the channel comprises a first channel 25 and a second channel 26, the plugging assembly comprises a first bolt 27, an elastic piece 29 and a plugging block 30, the first channel 25 and the second channel 26 are sequentially arranged in the body 24 from bottom to top, the first channel 25 is coaxially communicated with the second channel 26, the inner diameter of the first channel 25 is smaller than that of the second channel 26, limiting steps are formed on the left side and the right side of the joint of the first channel 25 and the second channel 26, and the exhaust hole 28 is communicated with one side of the second channel 26; the top of the first channel 25 is assembled with a first bolt 27, the bottom of the first bolt 27 is connected with an elastic part 29, the bottom of the elastic part 29 is connected with a blocking block 30, when the first bolt 27 is screwed, the elastic part 29 is in a compressed state, the blocking block 30 is arranged on the limiting step, and the blocking block 30 covers the exhaust hole 28; when the first bolt 27 is unscrewed, the elastic member 29 is released, and the blocking block 30 is separated from the exhaust hole 28; the first passage 25 of the first breather 7 communicates with the second oil chamber 6, and the first passage 25 of the second breather 8 communicates with the fourth oil chamber 9.
When the gear coupling operates, the first bolt 27 is screwed down, and the blocking block 30 covers the exhaust hole 28, so that noise is avoided; when high-temperature gas needs to be exhausted, the first bolt 27 is loosened, the elastic piece 29 is released along with the first bolt, the blocking block 30 moves upwards to be separated from the exhaust hole 28, and the high-temperature gas in the oil cavity overflows from the exhaust hole 28 along with the first bolt.
Preferably, the elastic member 29 is a spring in this embodiment, and the blocking piece 30 is a steel ball.
In practical application, for example, in an iron and steel enterprise, two vertical surfaces of a flat head sleeve of a finishing mill transmission shaft are kept vertical, the vertically arranged flat head vertical surface of a working roll needs to be inserted into the flat head sleeve of the finishing mill transmission shaft, and because the first exhaust device 7 and the second exhaust device 8 rotate along with the tooth coupler, if the tooth coupler is stopped, the first exhaust device 7 and the second exhaust device 8 are not at the highest point, inconvenience is caused, therefore, in the embodiment, a stop iron 17 is arranged at the other vertical side of the tooth coupler, a proximity switch 18 is further arranged right below the tooth coupler, when the first exhaust device 7 and the second exhaust device 8 are at the highest point, the stop iron 17 is in contact with the proximity switch 18, the proximity switch 18 and a prime mover assembled on the driving end outer tooth sleeve 1 are both electrically connected with a controller, the stop iron 17 is in contact with the proximity switch 18, the proximity switch 18 sends a stop signal to the controller, the controller controls the prime mover to stop, thereby stopping the tooth coupling.
Further, in the embodiment, the stop iron 17 is in magnetic contact with the proximity switch 18, the effective detection distance of the proximity switch 18 is 10-15 mm, and when the first exhaust device 7 and the second exhaust device 8 are located at the highest point, the distance between the stop iron 17 and the proximity switch 18 is 10 mm.
Example 2
The embodiment provides a hot finishing mill group, which comprises the gear coupling in the embodiment 1, wherein a first oil slinger 15 and a second oil slinger 16 are added to the gear coupling, a closed cavity formed between the first oil slinger 15 and the second oil slinger 16 is a non-transmission part, lubricating grease is not needed for lubrication, and when lubricating grease is injected into a first oil cavity 4, a second oil cavity 6, a third oil cavity 9 and a fourth oil cavity 11, the lubricating grease cannot enter the closed cavity due to the blocking of the first oil slinger 15 and the second oil slinger 16, so that the using amount of the lubricating grease is greatly saved; because the vertical one side of tooth shaft coupling is equipped with first exhaust apparatus and second exhaust apparatus, can regularly discharge inside high-temperature gas, avoid prime mover and load machine's bearing life to shorten, and the vertical opposite side of tooth shaft coupling is equipped with buting iron 17, still is provided with proximity switch 18 under the tooth shaft coupling, when first exhaust apparatus 7 and second exhaust apparatus 8 are located the peak, buting iron 17 and proximity switch 18 contact, proximity switch 18 and the assembly are all connected with the controller electricity at the prime mover of initiative end outer gear shaft housing 1.
Specifically, in the embodiment, the prime motor is a motor, the load machine is a speed reducer, the proximity switch 18 and the motor are both electrically connected with the controller, according to a set program, when the normal production is performed, the proximity switch 18 is not electrified, when the production is finished, the proximity switch 18 is electrified after the motor is stopped, the motor rotates for a certain angle again, until the stop iron 17 is in contact with the proximity switch 18, the proximity switch 18 sends a stop signal to the controller, the controller controls the motor to stop, at the moment, the first exhaust device 7 and the second exhaust device 8 are both at the highest point, and the flat head vertical surface of the working roll which is vertically arranged is conveniently inserted into the flat head sleeve of the transmission shaft of the finishing mill.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. The utility model provides a tooth coupling, its characterized in that, tooth coupling includes driving end external tooth axle sleeve, driving end ring gear, driving end cover, driven end external tooth axle sleeve, driven end ring gear, driven end cover, first oil slinger and second oil slinger, wherein:
the driving end external gear sleeve and the driving end inner gear ring are provided with a first end and a second end which are opposite, a first tooth head is arranged in the middle of the outer peripheral surface of the driving end external gear sleeve, the middle of the driving end inner gear ring is meshed with the first tooth head, the driving end cover is arranged between the first end of the driving end inner gear ring and the first end of the driving end external gear sleeve, the driving end cover, the driving end external gear sleeve, the driving end inner gear ring and the first tooth head enclose a first oil cavity, the first oil baffle ring is arranged between the second end of the driving end inner gear ring and the second end of the driving end external gear sleeve, and the first oil baffle ring, the driving end external gear sleeve, the driving end inner gear ring and the first tooth head enclose a second oil cavity;
the driven end external tooth shaft sleeve and the driving end external tooth shaft sleeve are oppositely arranged, the driven end external tooth shaft sleeve and the driven end inner gear ring are respectively provided with a first end and a second end which are opposite, the second end of the driving end inner gear ring is connected with the first end of the driven end inner gear ring, a second tooth head is arranged in the middle of the outer peripheral surface of the driven end external tooth shaft sleeve, the middle of the driven end inner gear ring is meshed with the second tooth head, the driven end cover is arranged between the second end of the driven end inner gear ring and the second end of the driven end external tooth shaft sleeve, a third oil cavity is enclosed by the driven end cover, the driven end external tooth shaft sleeve, the driven end inner gear ring and the second tooth head, the second oil retaining ring is arranged between the first end of the driven end inner gear ring and the first end of the driven end external tooth shaft sleeve, and the first oil retaining ring, And a fourth oil cavity is defined by the driven end external tooth shaft sleeve, the driven end internal gear ring and the first gear head.
2. A gear coupling according to claim 1, wherein the second end of the ring gear at the driving end is provided with a first flange, the first end of the ring gear at the driven end is provided with a second flange, and the first flange and the second flange are connected by a second bolt.
3. The gear coupling according to claim 1, wherein each of the first oil slinger and the second oil slinger comprises a mounting ring and a flange arranged on the periphery of the mounting ring, the outer ring of the flange is covered with a flexible layer, the mounting ring of the first oil slinger is fixedly sleeved on the driving end outer gear sleeve, and the flexible layer of the flange of the first oil slinger is in contact with the driving end inner gear ring; the assembly ring of the second oil retainer is fixedly sleeved on the driven end external gear shaft sleeve, and the flexible layer of the flange of the second oil retainer is in contact with the driven end internal gear ring.
4. The gear coupling according to claim 3, wherein the first oil slinger and the second oil slinger are both made of steel, an inner ring of the first oil slinger is in interference fit with an outer ring of the driving end external tooth bushing, and an inner ring of the second oil slinger is in interference fit with an outer ring of the driven end external tooth bushing.
5. A gear coupling according to claim 3, wherein said first oil slinger and said second oil slinger are both made of flexible material, and both of said first oil slinger and said second oil slinger are made of two semi-rings, wherein a first boss is provided on the outer side of each of both ends of an opening of one of said semi-rings, a second boss is provided on the outer side of each of both ends of an opening of the other of said semi-rings, said first bosses are in one-to-one correspondence with said second bosses, and each of said first bosses is fixedly connected with the corresponding second boss.
6. The gear coupling according to claim 3, wherein the distance between the rib of the first oil slinger and the inner ring gear at the driving end and the distance between the rib of the second oil slinger and the inner ring gear at the driven end are both 3-6 mm, the flexible layer is a strip-shaped structure, and the diameter of the strip-shaped structure is 6-10 mm.
7. A tooth coupling according to claim 1, characterized in that a first exhaust means and a second exhaust means are provided on one vertical side of the tooth coupling, wherein:
first exhaust apparatus sets up second oil pocket top, second exhaust apparatus sets up fourth oil pocket top, first exhaust apparatus and second exhaust apparatus all include body, passageway, exhaust hole and spacing subassembly, wherein, be provided with in the body the passageway, the exhaust hole with one side intercommunication of passageway, the shutoff subassembly sets up in the passageway, the shutoff subassembly is operative to be plugged up the exhaust hole, first exhaust apparatus's passageway with second oil pocket intercommunication, second exhaust apparatus's passageway with fourth oil pocket intercommunication.
8. The gear coupling of claim 7 wherein said passages comprise a first passage and a second passage, said blocking assembly comprising a first bolt, an elastomeric member, and a blocking block, wherein:
the first channel and the second channel are sequentially arranged in the body from bottom to top, the first channel is coaxially communicated with the second channel, the inner diameter of the first channel is smaller than that of the second channel, limiting steps are formed on the left side and the right side of the joint of the first channel and the second channel, and the exhaust hole is communicated with one side of the second channel;
the top of the second channel is in threaded connection with the first bolt, the bottom of the first bolt is connected with the elastic piece, the bottom of the elastic piece is connected with the blocking block, when the first bolt is screwed down, the elastic piece is in a compressed state, the blocking block is arranged on the limiting step, and the blocking block covers the exhaust hole; when the first bolt is unscrewed, the elastic piece is released, and the blocking block is separated from the exhaust hole; the first passage of the first exhaust device is communicated with the second oil chamber, and the first passage of the second exhaust device is communicated with the fourth oil chamber.
9. The gear coupling of claim 7, wherein a stop iron is disposed on the other vertical side of the gear coupling, a proximity switch is disposed directly below the gear coupling, when the first exhaust device and the second exhaust device are located at the highest point, the stop iron contacts the proximity switch, and the proximity switch and a prime mover mounted on the external gear sleeve of the driving end are electrically connected to a controller.
10. A finishing train comprising a tooth coupling according to claims 1-9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110794200.9A CN113649418B (en) | 2021-07-14 | 2021-07-14 | Gear coupling and hot rolling finishing mill group |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110794200.9A CN113649418B (en) | 2021-07-14 | 2021-07-14 | Gear coupling and hot rolling finishing mill group |
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| CN113649418A true CN113649418A (en) | 2021-11-16 |
| CN113649418B CN113649418B (en) | 2023-10-24 |
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|---|---|
| CN113649418B (en) | 2023-10-24 |
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