CN109332995B - Large-scale bearing inner race heating device for mining machinery - Google Patents
Large-scale bearing inner race heating device for mining machinery Download PDFInfo
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- CN109332995B CN109332995B CN201811373387.XA CN201811373387A CN109332995B CN 109332995 B CN109332995 B CN 109332995B CN 201811373387 A CN201811373387 A CN 201811373387A CN 109332995 B CN109332995 B CN 109332995B
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- connecting rod
- acetylene
- worm
- pipe
- guide rail
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P11/00—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for
- B23P11/02—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for by first expanding and then shrinking or vice versa, e.g. by using pressure fluids; by making force fits
- B23P11/025—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for by first expanding and then shrinking or vice versa, e.g. by using pressure fluids; by making force fits by using heat or cold
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The invention relates to a heating device for an inner ring of a large-scale bearing for mining machinery, which comprises a frame, a crank connecting rod, a worm wheel, a motor, a worm, a fixed support, a guide rail sliding block assembly, a connecting rod I, a connecting rod II, a connecting rod III, a supporting frame, an acetylene gun, an oxygen pipe and an acetylene pipe; the crank connecting rod, the worm wheel, the guide rail sliding block assembly and the frame form a crank sliding block mechanism, the worm wheel is connected with an output shaft of the motor by adopting a key, and the worm is arranged on the fixed bracket and is meshed and connected with the worm wheel; one end of the connecting rod I is tightly matched with the worm, the connecting rod I, the connecting rod III, the connecting rod II and the fixed support 6 form a crank rocker mechanism, and one end of the connecting rod III is tightly matched with the hollow tube; the hollow tube passes through the connecting rod hole and is in clearance fit with the connecting rod hole; the acetylene guns are three, are respectively fixed on the acetylene gun fixing frame and are connected with the Y-shaped oxygen pipe and the Y-shaped acetylene pipe.
Description
Technical Field
The invention relates to a mechanical device, in particular to a device for heating an inner ring of a large bearing of mining machinery.
Background
At present, in mining machinery production enterprises, when large bearings are assembled, the bearing inner rings are heated in a manual mode. The methods generally adopted are: one or two fitters hold the acetylene spray gun to slowly heat the bearing inner ring, which is inefficient and makes the fitter very heat resistant.
Disclosure of Invention
In order to solve the problems, the invention provides a heating device for an inner ring of a large-sized bearing for mining machinery.
The technical scheme adopted by the invention is as follows:
the heating device for the inner ring of the large-scale bearing for the mining machinery comprises a frame, a crank connecting rod, a worm wheel, a motor, a worm, a fixed support, a guide rail sliding block assembly, a connecting rod I, a connecting rod II, a connecting rod III, a supporting frame, an acetylene gun, an oxygen pipe and an acetylene pipe; the worm wheel is provided with a central hole and an eccentric pin shaft; the guide rail and slide block assembly comprises a guide rail and a slide block; the fixed support is provided with a worm shaft hole I, a worm shaft hole II, a motor seat hole and a connecting rod hole; the support frame is provided with a Y-shaped oxygen pipe, a Y-shaped acetylene pipe, an acetylene gun fixing frame and a hollow pipe, and the Y-shaped oxygen pipe and the Y-shaped acetylene pipe are respectively connected with the oxygen pipe and the acetylene pipe; the machine frame is provided with a connecting rod shaft, two ends of the crank connecting rod are respectively provided with shaft holes, and the two shaft holes of the crank connecting rod are respectively in clearance fit with the connecting rod shaft of the machine frame and the eccentric pin shaft of the worm wheel; the guide rail and slide block assemblies are two groups, guide rails of the two groups of guide rail and slide block assemblies are fixed on the frame, slide blocks of the two groups of guide rail and slide block assemblies are fixed on the motor, and guide rails of the two groups of guide rail and slide blocks of the two groups of guide rail and slide block assemblies are in clearance fit; the fixed bracket is fixed on the motor through the motor seat hole by adopting a screw; the motor is provided with an output shaft, and the worm wheel is connected with the output shaft of the motor through a central hole of the worm wheel by adopting a key; the worm is arranged on the fixed bracket through the worm shaft hole I and the worm shaft hole II and is meshed and connected with the worm wheel; one end of the connecting rod I and one end of the connecting rod III are respectively connected with the connecting rod II through a hinge, the other end of the connecting rod I is tightly matched with the worm, and the other end of the connecting rod III is tightly matched with the hollow tube; the hollow tube passes through the connecting rod hole and is in clearance fit with the connecting rod hole; the acetylene guns are three, are respectively fixed on the acetylene gun fixing frame and are respectively connected with the Y-shaped oxygen pipe and the Y-shaped acetylene pipe; the three acetylene gun fixing frames are fixed on the hollow tube, and the hollow tube is sleeved on the outer surfaces of the oxygen tube and the acetylene tube.
The beneficial effects of the invention are as follows: the heating device for the inner ring of the large bearing for the mining machinery is driven by a motor, three acetylene guns which are arranged into a Y shape are adopted, the swinging of the acetylene guns is realized by a worm gear mechanism and a crank rocker mechanism, and meanwhile, the reciprocating movement of the acetylene guns is realized by the crank rocker mechanism, so that the uniform heating of the inner ring of the bearing is realized, and the heating device has the advantages of simple structure, low manufacturing cost and the like.
Drawings
The following is further described in connection with the figures of the present invention:
fig. 1 is a schematic diagram of the structure of the present invention.
Fig. 2 is a schematic view of a fixed bracket structure.
Fig. 3 is a schematic structural view of the support frame.
Fig. 4 is a schematic diagram of the operation.
In the figure, a frame, a crank connecting rod, a worm wheel, a motor, a worm, a fixed bracket, a guide rail sliding block assembly, a connecting rod I, a connecting rod II, a connecting rod 10, a supporting frame 11, an acetylene gun 12, an oxygen pipe 13, an acetylene gas pipe 14, a worm shaft hole I, a worm shaft hole 16, a motor seat hole 17, a connecting rod hole 18, a 19.Y-shaped oxygen pipe, a 20.Y-shaped acetylene gas pipe, an acetylene gun fixing frame 21, a hollow pipe 22 and a bearing 23.
Detailed Description
The heating device for the inner ring of the large-scale bearing for the mining machinery comprises a frame 1, a crank connecting rod 2, a worm wheel 3, a motor 4, a worm 5, a fixed support 6, a guide rail sliding block assembly 7, a connecting rod I8, a connecting rod II 9, a connecting rod III 10, a supporting frame 11, an acetylene gun 12, an oxygen pipe 13 and an acetylene pipe 14; the worm wheel 3 is provided with a central hole and an eccentric pin shaft; the guide rail and slide block assembly 7 comprises a guide rail and a slide block; the fixed support 6 is provided with a worm shaft hole I15, a worm shaft hole II 16, a motor seat hole 17 and a connecting rod hole 18; the support frame 11 is provided with a Y-shaped oxygen pipe 19, a Y-shaped acetylene pipe 20, an acetylene gun fixing frame 21 and a hollow pipe 22, and the Y-shaped oxygen pipe 19 and the Y-shaped acetylene pipe 20 are respectively connected with the oxygen pipe 13 and the acetylene pipe 14; the machine frame 1 is provided with a connecting rod shaft, two ends of the crank connecting rod 2 are respectively provided with shaft holes, and the two shaft holes of the crank connecting rod 2 are respectively in clearance fit with the connecting rod shaft of the machine frame 1 and the eccentric pin shaft of the worm wheel 3; the two groups of guide rail slide block assemblies 7 are arranged, the guide rails of the two groups of guide rail slide block assemblies 7 are fixed on the frame 1, the slide blocks of the two groups of guide rail slide block assemblies 7 are fixed on the motor 4, and the guide rails and the slide blocks of the two groups of guide rail slide block assemblies 7 are in clearance fit; the fixed bracket 6 is fixed on the motor 4 through the motor seat hole 17 by adopting a screw; the motor 4 is provided with an output shaft, and the worm wheel 3 is connected with the output shaft of the motor 4 through a central hole of the worm wheel 3 by adopting a key; the worm 5 is arranged on the fixed bracket 6 through the worm shaft hole I15 and the worm shaft hole II 16 and is meshed with the worm wheel 3; one end of the connecting rod I8 and one end of the connecting rod III 10 are respectively connected with the connecting rod II 9 through a hinge, the other end of the connecting rod I8 is tightly matched with the worm 5, and the other end of the connecting rod III 10 is tightly matched with the hollow tube 22; the hollow tube 22 passes through the connecting rod hole 18 and is in clearance fit with the connecting rod hole; the acetylene guns 12 are respectively fixed on the acetylene gun fixing frames 21 and are respectively connected with the Y-shaped oxygen pipes 19 and the Y-shaped acetylene pipes 20; the three acetylene gun fixing frames 21 are fixed on the hollow tube 22, and the hollow tube 22 is sleeved on the outer surfaces of the oxygen pipe 13 and the acetylene pipe 14.
When the heating device for the inner ring of the large-sized bearing for the mining machinery is used, firstly, oxygen and acetylene gas are respectively introduced into the oxygen pipe 13 and the acetylene pipe 14, then the supporting frame 11 is adjusted to enable the center to be aligned with the axis of the bearing 23, then the three acetylene guns 12 are ignited, and finally the motor 4 is started; under the drive of the motor 4, on one hand, the motor 4 is driven to reciprocate on the frame 1 through the guide rail sliding block assembly 7 by the worm wheel 3 and the crank connecting rod 2; on the other hand, the support frame 11 is driven to swing around the center thereof by a worm and gear mechanism consisting of the worm wheel 3 and the worm 5 and a crank rocker mechanism consisting of the connecting rod I8, the connecting rod II 9, the connecting rod III 10 and the fixed support 6, so that three acetylene guns 12 which are ignited are heated for the inner ring of the bearing.
Claims (1)
1. The large-scale bearing inner ring heating device for the mining machinery comprises a frame, a crank connecting rod, a worm wheel, a motor, a worm, a fixed support, a guide rail sliding block assembly, a connecting rod I, a connecting rod II, a connecting rod III, a supporting frame, an acetylene gun, an oxygen pipe and an acetylene pipe; the method is characterized in that: the worm wheel is provided with a central hole and an eccentric pin shaft; the guide rail and slide block assembly comprises a guide rail and a slide block; the fixed support is provided with a worm shaft hole I, a worm shaft hole II, a motor seat hole and a connecting rod hole; the support frame is provided with a Y-shaped oxygen pipe, a Y-shaped acetylene pipe, an acetylene gun fixing frame and a hollow pipe, and the Y-shaped oxygen pipe and the Y-shaped acetylene pipe are respectively connected with the oxygen pipe and the acetylene pipe; the machine frame is provided with a connecting rod shaft, two ends of the crank connecting rod are respectively provided with shaft holes, and the two shaft holes of the crank connecting rod are respectively in clearance fit with the connecting rod shaft of the machine frame and the eccentric pin shaft of the worm wheel; the guide rail and slide block assemblies are two groups, guide rails of the two groups of guide rail and slide block assemblies are fixed on the frame, slide blocks of the two groups of guide rail and slide block assemblies are fixed on the motor, and guide rails of the two groups of guide rail and slide blocks of the two groups of guide rail and slide block assemblies are in clearance fit; the fixed bracket is fixed on the motor through the motor seat hole by adopting a screw; the motor is provided with an output shaft, and the worm wheel is connected with the output shaft of the motor through a central hole of the worm wheel by adopting a key; the worm is arranged on the fixed bracket through the worm shaft hole I and the worm shaft hole II and is meshed and connected with the worm wheel; one end of the connecting rod I and one end of the connecting rod III are respectively connected with the connecting rod II through a hinge, the other end of the connecting rod I is tightly matched with the worm, and the other end of the connecting rod III is tightly matched with the hollow tube; the hollow tube passes through the connecting rod hole and is in clearance fit with the connecting rod hole; the acetylene guns are three, are respectively fixed on the acetylene gun fixing frame and are respectively connected with the Y-shaped oxygen pipe and the Y-shaped acetylene pipe; the three acetylene gun fixing frames are fixed on the hollow tube, and the hollow tube is sleeved on the outer surfaces of the oxygen tube and the acetylene tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811373387.XA CN109332995B (en) | 2018-11-13 | 2018-11-13 | Large-scale bearing inner race heating device for mining machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811373387.XA CN109332995B (en) | 2018-11-13 | 2018-11-13 | Large-scale bearing inner race heating device for mining machinery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109332995A CN109332995A (en) | 2019-02-15 |
| CN109332995B true CN109332995B (en) | 2023-09-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811373387.XA Active CN109332995B (en) | 2018-11-13 | 2018-11-13 | Large-scale bearing inner race heating device for mining machinery |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB303196A (en) * | 1927-09-29 | 1928-12-31 | Albert Edward Shorter | Improvements in or relating to the method of hardening metal surfaces |
| DE2918028B1 (en) * | 1979-05-04 | 1980-09-04 | Audi Nsu Auto Union Ag | Method of attaching a connecting rod to the crank pin of a one-piece crankshaft and device for carrying out the method |
| CN1036355A (en) * | 1987-11-05 | 1989-10-18 | 埃米特放射技术股份有限公司 | The manufacture method of bent axle |
| CN205331249U (en) * | 2015-12-15 | 2016-06-22 | 新昌县中瑞轴承厂 | Bearing removing device |
| CN207533101U (en) * | 2017-10-24 | 2018-06-26 | 吴苏瓅 | A kind of novel medicinal material blender |
| CN207888157U (en) * | 2017-12-07 | 2018-09-21 | 滨州渤海活塞有限公司 | One kind being used for piston cold charge copper sheathing device |
-
2018
- 2018-11-13 CN CN201811373387.XA patent/CN109332995B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB303196A (en) * | 1927-09-29 | 1928-12-31 | Albert Edward Shorter | Improvements in or relating to the method of hardening metal surfaces |
| DE2918028B1 (en) * | 1979-05-04 | 1980-09-04 | Audi Nsu Auto Union Ag | Method of attaching a connecting rod to the crank pin of a one-piece crankshaft and device for carrying out the method |
| CN1036355A (en) * | 1987-11-05 | 1989-10-18 | 埃米特放射技术股份有限公司 | The manufacture method of bent axle |
| CN205331249U (en) * | 2015-12-15 | 2016-06-22 | 新昌县中瑞轴承厂 | Bearing removing device |
| CN207533101U (en) * | 2017-10-24 | 2018-06-26 | 吴苏瓅 | A kind of novel medicinal material blender |
| CN207888157U (en) * | 2017-12-07 | 2018-09-21 | 滨州渤海活塞有限公司 | One kind being used for piston cold charge copper sheathing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109332995A (en) | 2019-02-15 |
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