CN111486181A - Tooth-type coupling convenient to dismantle - Google Patents
Tooth-type coupling convenient to dismantle Download PDFInfo
- Publication number
- CN111486181A CN111486181A CN202010333026.3A CN202010333026A CN111486181A CN 111486181 A CN111486181 A CN 111486181A CN 202010333026 A CN202010333026 A CN 202010333026A CN 111486181 A CN111486181 A CN 111486181A
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- China
- Prior art keywords
- ring
- gear
- inner gear
- shaft sleeve
- gear ring
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/18—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts the coupling parts (1) having slidably-interengaging teeth
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Food Science & Technology (AREA)
- Gears, Cams (AREA)
Abstract
A tooth type coupler convenient to disassemble belongs to the technical field of mechanical couplers and is used for improving the disassembling and assembling efficiency of the tooth type coupler. The technical scheme is as follows: the left inner gear ring and the right inner gear ring are straight cylinders, the left outer gear shaft sleeve and the left inner gear ring are in sliding fit with the right inner gear ring in the axial direction respectively, annular positioning grooves are formed in the left outer gear shaft sleeve and the right outer gear shaft sleeve respectively and are located on the outer sides of the left inner gear ring and the right inner gear ring, the left clamping ring and the right clamping ring are two semicircular rings respectively, two ends of the two semicircular rings are connected through clamping ring connecting bolt pairs respectively, the left clamping ring and the right clamping ring are sleeved on the left outer gear shaft sleeve and the right outer gear shaft sleeve respectively, and inner ring surfaces of the left clamping ring and the right clamping ring are embedded into the annular positioning grooves of the left outer gear shaft. The inner gear ring and the snap ring are in a split limiting mode, the inner gear ring is easy to disassemble, the disassembly and the assembly are convenient and fast, the structure is simple, the disassembly and the assembly efficiency of the gear coupling are improved, and the difficulty in field installation and maintenance is reduced.
Description
Technical Field
The invention relates to a tooth type coupling driven by a grading crusher, belongs to the technical field of mechanical couplings, and is used for facilitating the maintenance and disassembly of the tooth type coupling.
Background
The gear coupling is most used in the transmission device of the grading crusher, the commonly used gear coupling adopts a reaming hole to connect two inner gear rings by bolts, the outer side of the inner gear ring of the existing gear coupling is provided with a boss structure, the inner gear ring is sleeved in from the rear part of an outer gear shaft sleeve during installation, and the boss at the outer side of the inner gear ring is propped against the outer side of the outer gear shaft sleeve. However, in this structure, the internal gear ring cannot be removed from the front end of the external gear sleeve when removed, the external gear sleeve must be withdrawn from the rear portion of the external gear sleeve, and the external gear sleeve needs to be removed from the connecting shaft, and the external gear sleeve and the connecting shaft are in interference fit, so that it takes time and labor to remove the external gear sleeve. Meanwhile, the shaft hole of the external gear shaft sleeve is long, and the contact area of the shaft hole and the connecting shaft is large, so that the disassembly difficulty of the external gear shaft sleeve is increased, great inconvenience is caused to on-site maintenance work, the replacement time is prolonged, the maintenance work efficiency is reduced, and the normal operation of production is also influenced.
Disclosure of Invention
The invention aims to solve the technical problem of providing a tooth type coupler convenient to disassemble, which can improve the disassembling speed of an inner gear ring, shorten the maintenance downtime, reduce the labor intensity and improve the maintenance work efficiency.
The technical scheme for solving the technical problems is as follows:
a tooth type coupling convenient to disassemble comprises a left outer tooth shaft sleeve, a left inner gear ring, a right outer tooth shaft sleeve, a right inner gear ring and an inner gear ring connecting bolt pair, wherein the left outer tooth shaft sleeve and the left inner gear ring are mutually meshed through outer teeth and inner teeth, the right outer tooth shaft sleeve and the right inner gear ring are mutually meshed through outer teeth and inner teeth, the inner end surface of the left inner gear ring is opposite to the inner end surface of the right inner gear ring, the left inner gear ring is connected with the right inner gear ring through the inner gear ring connecting bolt pair, the improvement is that the left inner gear ring and the right inner gear ring are respectively cylinders, the inner hole of the cylinder is a straight cylinder, the left outer tooth shaft sleeve is respectively in sliding fit with the left inner gear ring and the right inner gear ring in the axial direction, the tooth type coupling also comprises a left snap ring, a right snap ring and a snap ring connecting bolt pair, annular positioning grooves are, the two ends of the two semicircular rings are respectively connected through a snap ring connecting bolt pair, the left snap ring and the right snap ring are respectively sleeved on the left outer tooth shaft sleeve and the right outer tooth shaft sleeve, and the inner annular surfaces of the left snap ring and the right snap ring are respectively embedded into the annular positioning grooves of the left outer tooth shaft sleeve and the right outer tooth shaft sleeve.
According to the tooth type coupler convenient to disassemble, the side of the end face, opposite to the left inner gear ring and the right inner gear ring, of the left clamping ring and the right clamping ring is respectively provided with the concave spigot, the outer sides of the left inner gear ring and the right inner gear ring are respectively embedded into the concave spigot of the end face of the left clamping ring and the concave spigot of the end face of the right clamping ring, and axial gaps are formed between the end face of the left clamping ring and the end face of the right clamping ring and between the end face of.
The invention has the beneficial effects that:
the inner gear ring is of a straight cylindrical structure, and a boss at the rear part of the inner gear ring in the prior art is removed, so that the inner gear ring can be taken down from the front end of the outer gear shaft sleeve during maintenance and replacement, and the problem that the outer gear shaft sleeve is required to be in interference fit with a connecting shaft and is difficult to disassemble when the inner gear ring is required to be taken down from the rear part of the outer gear shaft sleeve is solved; the left clamping ring and the right clamping ring are respectively positioned on the outer sides of the left inner gear ring and the right inner gear ring, and the function of preventing the inner gear rings from axially moving can be achieved.
According to the invention, the inner gear ring and the snap ring adopt a split limiting mode, so that the problem of poor interchangeability of the inner gear ring is solved, the disassembly and the assembly are convenient and fast, the structure is simple, the disassembly and assembly efficiency of the tooth-type coupling is improved, and the difficulty in field installation and maintenance is reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a left externally toothed bushing;
FIG. 3 is a side view of FIG. 2;
FIG. 4 is a schematic structural diagram of the left inner gear ring;
FIG. 5 is a schematic structural view of a snap ring;
FIG. 6 is a side view of FIG. 5;
fig. 7 is a schematic diagram of a prior art structure.
The figures are labeled as follows: the device comprises a left outer tooth shaft sleeve 1, a left inner gear ring 2, a left snap ring 3, a right outer tooth shaft sleeve 4, a right inner gear ring 5, a right snap ring 6, an inner gear ring connecting bolt pair 7, a snap ring connecting bolt pair 8, outer teeth 9, inner teeth 10, an annular positioning groove 11, a concave spigot 12 and a boss 13.
Detailed Description
The invention consists of a left external tooth shaft sleeve 1, a left inner gear ring 2, a left snap ring 3, a right external tooth shaft sleeve 4, a right inner gear ring 5, a right snap ring 6, an inner gear ring connecting bolt pair 7 and a snap ring connecting bolt pair 8.
Fig. 7 shows that the boss 13 is disposed on the outer side of the inner gear ring of the existing gear coupling, the boss 13 on the outer side of the inner gear ring abuts against the outer side of the outer gear sleeve, and the inner gear ring cannot be detached from the front end of the inner gear ring when detached, and must be withdrawn from the rear portion of the outer gear sleeve, and the outer gear sleeve needs to be detached from the connecting shaft, while the outer gear sleeve and the connecting shaft are in interference fit, which makes it time and labor consuming to detach the outer gear.
Fig. 1, 2, 3 and 4 show that a left external gear shaft sleeve 1 and a left internal gear ring 2 are mutually meshed through external gears 9 and internal gears 10, a right external gear shaft sleeve 4 and a right internal gear ring 5 are mutually meshed through external gears 9 and internal gears 10, the left internal gear ring 2 is opposite to the end surface of the right internal gear ring 5, and the left internal gear ring 2 is connected with the right internal gear ring 5 through an internal gear ring connecting bolt pair 7. Certain gaps are reserved between the left external tooth shaft sleeve 1 and the left inner gear ring 2, and between the right external tooth shaft sleeve 4 and the right inner gear ring 5, and axial sliding is allowed to exist.
Fig. 1, 5 and 6 show that the left snap ring 3 and the right snap ring 6 are two semicircular rings respectively, two ends of the two semicircular rings are connected by snap ring connecting bolt pairs 8 respectively, and the left snap ring 3 and the right snap ring 5 are sleeved on the left external tooth shaft sleeve 1 and the right external tooth shaft sleeve 4 respectively. The snap ring connecting bolt pair 8 adopts a locknut.
Fig. 1 and 2 show that the left external gear shaft sleeve 1 and the right external gear shaft sleeve 4 are respectively provided with an annular positioning groove 11, and the annular positioning grooves 11 are positioned at the outer sides of the left inner gear ring 2 and the right inner gear ring 5. The inner ring surfaces of the left snap ring 3 and the right snap ring 6 are respectively embedded into the annular positioning grooves 11 of the left outer gear shaft sleeve 1 and the right outer gear shaft sleeve 4 for limiting.
Fig. 6 shows that the end surfaces of the left snap ring 3 and the right snap ring 6 opposite to the left inner gear ring 2 and the right inner gear ring 5 are respectively provided with a concave spigot 12, and the outer sides of the left inner gear ring 2 and the right inner gear ring 5 are respectively embedded into the concave spigots 12 on the end surfaces of the left snap ring and the right snap ring.
The figure shows that axial gaps are reserved between the end surfaces of the left snap ring and the right snap ring and between the end surfaces of the left inner gear ring and the right inner gear ring, so that the relative offset of the two transmission axes can be compensated.
The using process of the invention is as follows:
firstly, respectively installing a left external tooth shaft sleeve 1 and a right external tooth shaft sleeve 4 on two connecting shafts;
then the left inner gear ring 2 and the right inner gear ring 5 are respectively sleeved on the left outer gear shaft sleeve 1 and the right outer gear shaft sleeve 4, and the coaxiality of the left outer gear shaft sleeve 1 and the right outer gear shaft sleeve 4 is well adjusted;
then the left inner gear ring 2 and the right inner gear ring 5 are locked by an inner gear ring connecting bolt pair 7;
and finally, a left snap ring 3 and a right snap ring 6 are arranged in annular positioning grooves 11 of the left external tooth shaft sleeve 1 and the right external tooth shaft sleeve 4 to limit the axial movement and the axial jumping of the left inner gear ring 2 and the right inner gear ring.
If need maintain when changing the ring gear, only need unscrew ring gear connecting bolt pair 7, alright take off left ring gear 2 or right ring gear 5, need not to dismantle left external tooth axle sleeve 1 or right external tooth axle sleeve 4 again, realized quick assembly disassembly, shortened maintenance duration.
One embodiment of the invention is as follows:
the diameter of the external tooth reference circle of the left external tooth shaft sleeve 1 and the external tooth reference circle of the right external tooth shaft sleeve 4 are 282.3mm, the length of the external tooth reference circle is 302mm, the width of the annular positioning groove 11 is 32mm, and the depth of the annular positioning groove is 8 mm;
the internal tooth reference circle diameters of the left internal gear ring 2 and the right internal gear ring 5 are 282.8mm, the outer diameter is 362mm, and the width is 82 mm;
the inner diameters of the left snap ring 3 and the right snap ring 6 are 254mm, the outer diameter is 341mm, the width is 62mm, the inner diameter of the concave spigot 12 is 316mm, and the depth is 30 mm.
Claims (2)
1. The utility model provides a tooth coupling convenient to dismantle, it includes left external tooth axle sleeve (1), left ring gear (2), right external tooth axle sleeve (4), right ring gear (5), ring gear connecting bolt is vice (7), left external tooth axle sleeve (1) and left ring gear (2) are through external tooth (9) and internal tooth (10) intermeshing, right external tooth axle sleeve (4) and right ring gear (5) are through external tooth (9) and internal tooth (10) intermeshing, left ring gear (2) are relative with the terminal surface of right ring gear (5), left ring gear (2) are connected through ring gear connecting bolt pair (7) with right ring gear (5), its characterized in that: the left inner gear ring (2) and the right inner gear ring (5) are cylinders respectively, an inner hole of each cylinder is a straight cylinder, a left outer gear shaft sleeve (1) and the left inner gear ring (2), a right outer gear shaft sleeve (4) and the right inner gear ring (5) are in sliding fit in the axial direction respectively, the left clamping ring (3), a right clamping ring (6) and a clamping ring connecting bolt pair (8) are further arranged, annular positioning grooves (11) are formed in the left outer gear shaft sleeve (1) and the right outer gear shaft sleeve (4) respectively, the annular positioning grooves (11) are located in the outer sides of the left inner gear ring (2) and the right inner gear ring (5), the left clamping ring (3) and the right clamping ring (6) are two semicircular rings respectively, two ends of the two semicircular rings are connected through the clamping ring connecting bolt pair (8) respectively, the left clamping ring (3) and the right clamping ring (6) are sleeved on the left outer gear shaft sleeve (1) and the right outer gear shaft sleeve (4) respectively, and inner annular surfaces of the left clamping ring In the positioning groove (11).
2. The easy to disassemble tooth coupling of claim 1, wherein: the end face sides of the left snap ring (3) and the right snap ring (6) opposite to the left inner gear ring (2) and the right inner gear ring (5) are respectively provided with a concave spigot (12), the outer sides of the left inner gear ring (2) and the right inner gear ring (5) are respectively embedded into the concave spigots (12) of the end face of the left snap ring and the end face of the right snap ring, and an axial gap is reserved between the end face of the left snap ring and the end face of the right snap ring and between the end face of the left inner gear ring and the end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010333026.3A CN111486181A (en) | 2020-04-24 | 2020-04-24 | Tooth-type coupling convenient to dismantle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010333026.3A CN111486181A (en) | 2020-04-24 | 2020-04-24 | Tooth-type coupling convenient to dismantle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111486181A true CN111486181A (en) | 2020-08-04 |
Family
ID=71792697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010333026.3A Pending CN111486181A (en) | 2020-04-24 | 2020-04-24 | Tooth-type coupling convenient to dismantle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111486181A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201714855U (en) * | 2010-03-09 | 2011-01-19 | 叶笃孟 | Crowned tooth coupler of separated internal gear rings |
| CN202811885U (en) * | 2012-09-07 | 2013-03-20 | 西安船舶工程研究院有限公司 | Gear coupling |
| CN104455047A (en) * | 2014-10-31 | 2015-03-25 | 重庆市南川区庆岩福利碱厂 | Gear coupling |
| CN206918113U (en) * | 2017-07-07 | 2018-01-23 | 茂康材料科技（常熟）有限公司 | A kind of gear coupling for being easy to rapid-assembling/disassembling |
| CN209524010U (en) * | 2018-11-20 | 2019-10-22 | 张见宝 | Novel overload protection drum-shaped tooth type shaft coupling |
-
2020
- 2020-04-24 CN CN202010333026.3A patent/CN111486181A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201714855U (en) * | 2010-03-09 | 2011-01-19 | 叶笃孟 | Crowned tooth coupler of separated internal gear rings |
| CN202811885U (en) * | 2012-09-07 | 2013-03-20 | 西安船舶工程研究院有限公司 | Gear coupling |
| CN104455047A (en) * | 2014-10-31 | 2015-03-25 | 重庆市南川区庆岩福利碱厂 | Gear coupling |
| CN206918113U (en) * | 2017-07-07 | 2018-01-23 | 茂康材料科技（常熟）有限公司 | A kind of gear coupling for being easy to rapid-assembling/disassembling |
| CN209524010U (en) * | 2018-11-20 | 2019-10-22 | 张见宝 | Novel overload protection drum-shaped tooth type shaft coupling |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200804 |