CN213316841U - Combined coupling for rolling mill - Google Patents
Combined coupling for rolling mill Download PDFInfo
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- CN213316841U CN213316841U CN202020986566.7U CN202020986566U CN213316841U CN 213316841 U CN213316841 U CN 213316841U CN 202020986566 U CN202020986566 U CN 202020986566U CN 213316841 U CN213316841 U CN 213316841U
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Abstract
The utility model discloses a combination formula shaft coupling for rolling mill, combination formula shaft coupling for rolling mill include a connecting axle, and the connecting axle includes first section and second section, and the tip of first section is equipped with first connector, and first connector comprises two shape structure unanimous linkage units, and two linkage unit symmetries set up the axis both sides at the tip of first section, and the tip that the second connects is equipped with the second connector, and the second connector can imbed in the clearance between two linkage units of first connector. The utility model has the advantages that: this technical scheme sets up the spiale components of a whole that can function independently, can connect short stress path rolling mill and speed reducer earlier respectively for it is more convenient to connect, connects first section and second section formation complete spiale again, simple structure, dismantles easy maintenance, saves a large amount of maintenance manpowers.
Description
Technical Field
The utility model relates to a combination formula shaft coupling is used to the rolling mill, especially relates to a combination formula shaft coupling structure of short stress path rolling mill.
Background
The coupling is a mechanical part used for connecting two shafts in different mechanisms to enable the two shafts to rotate together so as to transmit torque, and the coupling consists of a connecting shaft and joints at two ends of the connecting shaft along the axial direction, and the joints at the two ends are respectively connected with the two shafts. The short stress path rolling mill and the speed reducer are usually connected through a cross universal coupling or a crowned tooth coupling, one end of the cross universal coupling/the crowned tooth coupling is connected with the roller, and the other end of the cross universal coupling/the crowned tooth coupling is connected with an output shaft of the speed reducer. The part of the coupler, which is positioned at the roller end of the short stress line rolling mill, is in a severe environment and is often impacted during steel rolling, the deflection of the roller can be caused by the deformation resistance of steel when the roller passes through the steel, the impact on the roller is larger when the temperature is lower and the force on the roller is larger along with the low-temperature rolling carried out by the country, and the part of the coupler, which is positioned at the side of the speed reducer, is relatively uniformly stressed and has small impact but high transmission efficiency requirement. Therefore, how to provide a coupling which can satisfy the above requirements and is applied between a short-stress-path rolling mill and a speed reducer becomes a research subject of the present invention. Therefore, a combined coupling structure of a short stress path rolling mill which is convenient to disassemble and maintain has to be developed, and the technical scheme which is the same as the utility model is not found through retrieval.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a convenient combination formula shaft coupling structure who dismantles the short stress path rolling mill of maintenance, solves one or more among the above-mentioned prior art problem.
In order to solve the technical problem, the utility model discloses a technical scheme be: a combined type coupler for a rolling mill comprises a connecting shaft, wherein one end of the connecting shaft is connected with a cross joint of a cross universal coupler, and the other end of the connecting shaft is connected with a crowned tooth joint of a crowned tooth coupler; the combined type coupling for the rolling mill is arranged between a roller of the short stress path rolling mill and an output shaft of the speed reducer, the roller of the short stress path rolling mill is connected with one end of a cross joint of the combined type coupling for the rolling mill, and the output shaft of the speed reducer is connected with one end of a drum-shaped tooth joint of the combined type coupling for the rolling mill; the innovation points are as follows: the connecting shaft comprises a first section and a second section, a first connecting head is arranged at the end part of the first section, the first connecting head consists of two connecting units with the same shape and structure, the two connecting units are symmetrically arranged at two sides of a central axis of the end part of the first section, a second connecting head is arranged at the end part of the second connecting head, and the second connecting head can be embedded into a gap between the two connecting units of the first connecting head;
the first connector is provided with a first through hole, the second connector is provided with a second through hole, the first through hole and the second through hole are in a cross shape, and the diameter of the first through hole is larger than that of the second through hole;
the connecting shaft further comprises a first fixing column capable of being embedded into the first through hole and a second fixing column capable of being embedded into the second through hole, a third through hole capable of allowing the second fixing column to penetrate through is further formed in the middle of the first fixing column, and the second through hole and the third through hole can be communicated to form a complete straight line;
the first connector, the second connector, the first fixing column and the second fixing column can enable the connecting shaft to form a complete cylinder after the fixing is finished;
the combined type coupler for the rolling mill further comprises a locking hoop, and the joint of the first section and the second section can be locked by the locking hoop.
In some embodiments, the cross joint comprises an active fork joint, a passive fork joint and a cross pin, the active fork joint and the passive fork joint are connected together through the cross pin, the cross pin comprises a first cross pin body, a second cross pin body, a first shaft and a second shaft, a first shaft upper semicircular groove and a second shaft upper semicircular groove which are used for accommodating the first shaft and the second shaft respectively are arranged on the first cross pin body, and the first shaft upper semicircular groove and the second shaft upper semicircular groove are perpendicular to each other; the cross pin second body is provided with a first shaft lower semi-circular groove and a second shaft lower semi-circular groove which are used for containing the first shaft and the second shaft respectively, the first shaft lower semi-circular groove and the second shaft lower semi-circular groove are perpendicular to each other, a first opening is arranged in the middle of the first shaft, a second opening is arranged in the middle of the second shaft, the first opening and the second opening are buckled oppositely and are complementary, and the first body and the second body are fixedly connected through a screw rod.
The utility model has the advantages that: this technical scheme sets up the spiale components of a whole that can function independently, can connect short stress path rolling mill and speed reducer earlier respectively for it is more convenient to connect, connects first section and second section formation complete spiale again, simple structure, dismantles easy maintenance, saves a large amount of maintenance manpowers.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
fig. 1 is a schematic structural view of a combined coupling for a rolling mill of the present invention.
Fig. 2 is a schematic view of a spindle structure of a combined type coupling for a rolling mill of the present invention.
Fig. 3 is a side view of a first section of a spindle of a combined coupling for a rolling mill according to the invention.
Fig. 4 is a front view of a first section of a spindle of a combined coupling for rolling mills according to the present invention.
Fig. 5 is a side view of a second section of the spiale of the combined coupling for a rolling mill according to the present invention.
Fig. 6 is a front view of a second section of the spiale of the combined coupling for a rolling mill according to the present invention.
Fig. 7 is a back view of a first section of a spindle of a combined type coupling for a rolling mill according to the present invention.
Fig. 8 is a back view of a second section of the spiale of the combined coupling for a rolling mill according to the present invention.
Fig. 9 is a schematic structural view of a first connecting column of a connecting shaft of a combined type coupling for a rolling mill of the present invention.
Fig. 10 is a schematic structural view of the second connecting column of the spindle of the combined type coupling for rolling mills according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 to 10, an embodiment of the present invention includes:
a combined type coupler for a rolling mill comprises a connecting shaft 1, wherein one end of the connecting shaft 1 is connected with a cross joint of a cross universal coupler, and the other end of the connecting shaft 1 is connected with a crowned tooth joint of a crowned tooth coupler; the combined type coupling for the rolling mill is arranged between a roller of the short stress path rolling mill and an output shaft of the speed reducer, the roller of the short stress path rolling mill is connected with one end of a cross joint of the combined type coupling for the rolling mill, and the output shaft of the speed reducer is connected with one end of a drum-shaped tooth joint of the combined type coupling for the rolling mill; the connecting shaft 1 comprises a first section 11 and a second section 12, a first connecting head 111 is arranged at the end part of the first section 11, the first connecting head 111 consists of two connecting units with the same shape and structure, the two connecting units are symmetrically arranged at two sides of a central axis of the end part of the first section 11, a second connecting head 121 is arranged at the end part of the second connecting head, and the second connecting head 121 can be embedded into a gap between the two connecting units of the first connecting head 111; the first connector 111 is provided with a first through hole 112, the second connector 121 is provided with a second through hole 122, the first through hole 112 and the second through hole 122 are crossed, and the diameter of the first through hole 112 is larger than that of the second through hole 122; the spindle 1 further comprises a first fixing column 113 capable of being embedded into the first through hole 112 and a second fixing column 123 capable of being embedded into the second through hole 122, a third through hole 114 capable of allowing the second fixing column 123 to penetrate through is further formed in the middle of the first fixing column 113, and the second through hole 122 and the third through hole 114 can be communicated to form a complete straight line; after the first connecting head 111, the second connecting head 121, the first fixing column 113 and the second fixing column 123 are fixed, the connecting shaft 1 can form a complete cylinder shape; the combined type coupler for the rolling mill further comprises a locking hoop, and the joint of the first section 11 and the second section 12 can be locked by the locking hoop.
This technical scheme sets up spiale 1 components of a whole that can function independently, can connect short stress path rolling mill and speed reducer earlier respectively for it is more convenient to connect, connects first section 11 and second section 12 again and forms complete spiale 1, simple structure dismantles easy maintenance, saves a large amount of maintenance manpowers.
The cross joint comprises an active cross joint, a passive cross joint and a cross pin, the active cross joint and the passive cross joint are connected together through the cross pin, the cross pin comprises a first cross pin body, a second cross pin body, a first shaft and a second shaft, the first cross pin body is provided with a first shaft upper semicircular groove and a second shaft upper semicircular groove which are used for accommodating the first shaft and the second shaft respectively, and the first shaft upper semicircular groove and the second shaft upper semicircular groove are perpendicular to each other; the cross pin second body is provided with a first shaft lower semi-circular groove and a second shaft lower semi-circular groove which are used for containing the first shaft and the second shaft respectively, the first shaft lower semi-circular groove and the second shaft lower semi-circular groove are perpendicular to each other, a first opening is arranged in the middle of the first shaft, a second opening is arranged in the middle of the second shaft, the first opening and the second opening are buckled oppositely and are complementary, and the first body and the second body are fixedly connected through a screw rod.
The utility model combines the advantages of the cross universal coupling and the crowned tooth coupling, and has high transmission efficiency, small vibration, impact resistance, high strength and long service life; compared with the coupling with the crowned teeth at the two ends, the utility model has the advantages of long service life and low cost; compared with the universal coupling with the crosshead at both ends, the universal coupling has high transmission efficiency and small vibration; the utility model discloses the influence to the rolling mill is little, and rolling product precision is high.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.
Claims (2)
1. A combined type coupler for a rolling mill comprises a connecting shaft (1), wherein one end of the connecting shaft (1) is connected with a cross joint of a cross universal coupler, and the other end of the connecting shaft (1) is connected with a crowned tooth joint of a crowned tooth coupler; the combined type coupling for the rolling mill is arranged between a roller of the short stress path rolling mill and an output shaft of the speed reducer, the roller of the short stress path rolling mill is connected with one end of a cross joint of the combined type coupling for the rolling mill, and the output shaft of the speed reducer is connected with one end of a drum-shaped tooth joint of the combined type coupling for the rolling mill; the method is characterized in that: the connecting shaft (1) comprises a first section (11) and a second section (12), a first connecting head (111) is arranged at the end part of the first section (11), the first connecting head (111) is composed of two connecting units with the same shape and structure, the two connecting units are symmetrically arranged on two sides of a central axis of the end part of the first section (11), a second connecting head (121) is arranged at the end part of the second section (12), and the second connecting head (121) can be embedded into a gap between the two connecting units of the first connecting head (111);
a first through hole (112) is formed in the first connector (111), a second through hole (122) is formed in the second connector (121), the first through hole (112) and the second through hole (122) are crossed, and the diameter of the first through hole (112) is larger than that of the second through hole (122);
the spindle (1) further comprises a first fixing column (113) capable of being embedded into the first through hole (112) and a second fixing column (123) capable of being embedded into the second through hole (122), a third through hole (114) capable of allowing the second fixing column (123) to penetrate through is further formed in the middle of the first fixing column (113), and the second through hole (122) and the third through hole (114) can be communicated to form a complete straight line;
the connecting shaft (1) can form a complete cylinder shape after the first connecting head (111), the second connecting head (121), the first fixing column (113) and the second fixing column (123) are fixed;
the combined type coupler for the rolling mill further comprises a locking hoop, and the joint of the first section (11) and the second section (12) can be locked by the locking hoop.
2. A combined coupling for rolling mills according to claim 1, characterized in that: the cross joint comprises an active fork joint, a passive fork joint and a cross pin, the active fork joint and the passive fork joint are connected together through the cross pin, the cross pin comprises a first cross pin body, a second cross pin body, a first shaft and a second shaft, the first cross pin body is provided with a first shaft upper semicircular groove and a second shaft upper semicircular groove which are used for accommodating the first shaft and the second shaft respectively, and the first shaft upper semicircular groove and the second shaft upper semicircular groove are perpendicular to each other; the cross pin second body is provided with a first shaft lower semi-circular groove and a second shaft lower semi-circular groove which are used for containing a first shaft and a second shaft respectively, the first shaft lower semi-circular groove and the second shaft lower semi-circular groove are perpendicular to each other, a first opening is formed in the middle of the first shaft, a second opening is formed in the middle of the second shaft, the first opening and the second opening are buckled oppositely and are complementary to each other, and the first body and the second body are fixedly connected through a screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020986566.7U CN213316841U (en) | 2020-06-02 | 2020-06-02 | Combined coupling for rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020986566.7U CN213316841U (en) | 2020-06-02 | 2020-06-02 | Combined coupling for rolling mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213316841U true CN213316841U (en) | 2021-06-01 |
Family
ID=76079890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020986566.7U Active CN213316841U (en) | 2020-06-02 | 2020-06-02 | Combined coupling for rolling mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213316841U (en) |
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2020
- 2020-06-02 CN CN202020986566.7U patent/CN213316841U/en active Active
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