CN219310423U - Off-line overlaying device for grinding roller sleeve of medium-speed coal mill - Google Patents
Off-line overlaying device for grinding roller sleeve of medium-speed coal mill Download PDFInfo
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- CN219310423U CN219310423U CN202320308069.5U CN202320308069U CN219310423U CN 219310423 U CN219310423 U CN 219310423U CN 202320308069 U CN202320308069 U CN 202320308069U CN 219310423 U CN219310423 U CN 219310423U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The utility model relates to the technical field of machining, in particular to an off-line overlaying device for a roller sleeve of a grinding roller of a medium-speed coal mill, which comprises a supporting platform, an overlaying device, a grinding roller driving device and a control device; a front supporting structure is fixedly arranged on the supporting platform and used for supporting the front part of the grinding roller set to be welded; a rear supporting structure is fixedly arranged on the supporting platform and used for supporting the rear part of the grinding roller set to be welded; the build-up welding device is arranged on the supporting platform and is used for welding the grinding roller; the grinding roller driving device includes: a drive mechanism and a connecting member; the driving mechanism is fixedly arranged on the supporting platform; the connecting component is arranged on the driving mechanism and used for connecting the grinding roller to be welded; the control device is arranged on the supporting platform and is respectively connected with the driving mechanism and the overlaying device to control. The utility model can improve the convenience of surfacing operation on the roller sleeve of the grinding roller, further improve the production efficiency and reduce the production cost.
Description
Technical Field
The utility model relates to the technical field of machining, in particular to an off-line overlaying device for a roller sleeve of a grinding roller of a medium-speed coal mill.
Background
The coal pulverizing system is a key link of a boiler part of a thermal power plant, and the medium-speed coal mill is essential equipment in the coal pulverizing system. The coal used in the power plant has various types and large impurity content, and the addition of the doped kaolin causes serious abrasion of the roller sleeve of the grinding roller of the medium-speed coal mill, so that the welding maintenance is needed in time.
The scheme adopted in the prior art is mainly as follows: and disassembling the grinding roller sleeve, transporting the roller sleeve to a special overlaying machine for overlaying, and transporting the roller sleeve back to be installed after welding. Because the roller sleeve is difficult to disassemble and install and needs to be transported, the operation is time-consuming and labor-consuming, and the efficiency is low; and the roller sleeve can generate thermal stress deformation in the welding process, so that the installation of the roller sleeve is further influenced, normal production is influenced, and a large amount of manpower and material resources are occupied.
Disclosure of Invention
In view of the above, the utility model provides an off-line overlaying device for a grinding roller sleeve of a medium-speed coal mill, which mainly aims to improve the convenience of overlaying operation for the grinding roller sleeve, further improve the production efficiency and reduce the production cost.
In order to achieve the above purpose, the present utility model mainly provides the following technical solutions:
the embodiment of the utility model provides an off-line overlaying device for a grinding roller sleeve of a medium-speed coal mill, which comprises a supporting platform, an overlaying device, a grinding roller driving device and a control device, wherein the supporting platform is arranged on the supporting platform;
a front supporting structure is fixedly arranged on the supporting platform and used for supporting the front part of the grinding roller set to be welded;
a rear supporting structure is fixedly arranged on the supporting platform and used for supporting the rear part of the grinding roller set to be welded;
the lower end of the supporting platform is provided with supporting wheels for supporting the supporting platform to move;
the build-up welding device includes: the welding machine comprises a welding frame, a welding moving mechanism, a welding gun and a surfacing machine;
the welding frame is fixedly arranged on the supporting platform;
the welding moving mechanism is arranged on the welding frame and can move relative to the welding frame;
the welding gun is arranged on the welding moving mechanism;
the surfacing machine is fixedly arranged on the supporting platform; the surfacing machine is connected with the welding gun;
the grinding roller driving device includes: a drive mechanism and a connecting member;
the driving mechanism is fixedly arranged on the supporting platform;
the connecting member includes: a drive connection and a grinding roller connection;
the driving connecting part is in transmission connection with an output shaft of the driving mechanism; the driving connecting part is of an internal spline shaft sleeve structure; the driving connecting part is sleeved on the output shaft of the driving mechanism and can axially move relative to the output shaft of the driving mechanism;
the edge of the grinding roller connecting part is provided with a clamping groove; the number of the clamping grooves is multiple; the clamping grooves are arranged in an array with the rotation axis of the grinding roller connecting part as a center and are used for clamping bolts at the end parts of the grinding rollers to be welded so as to drive;
the grinding roller connecting part and the driving connecting part are coaxially arranged;
the grinding roller connecting part and the driving connecting part are integrally arranged;
the driving connecting part is provided with a locking member for limiting the axial position of the driving connecting part relative to the output shaft of the driving mechanism;
the control device is arranged on the supporting platform and is respectively connected with the driving mechanism and the welding moving mechanism to control.
Further, a welding limiter is fixedly arranged on one side of the front supporting structure;
the welding limiter is connected with the control device and used for controlling the welding width.
Further, the welding frame is a cross welding frame.
Further, the driving mechanism is a gear motor.
Further, the driving mechanism is a combination of a motor and a transmission.
By means of the technical scheme, the off-line overlaying device for the roller sleeve of the grinding roller of the medium-speed coal mill has at least the following advantages:
the convenience of surfacing operation on the roller sleeve of the grinding roller can be improved, the production efficiency is further improved, and the production cost is reduced.
The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings.
Drawings
Fig. 1 is a schematic diagram of an off-line overlaying device for a roller sleeve of a grinding roller of a medium-speed coal mill.
The figure shows:
1 is a supporting platform, 1-1 is a front supporting structure, 1-2 is a rear supporting structure, 1-3 is a supporting wheel, 2 is a surfacing device, 2-1 is a welding frame, 2-2 is a welding moving mechanism, 2-3 is a welding gun, 2-4 is a surfacing machine, 3 is a grinding roller driving device, 3-1 is a driving mechanism, 3-2 is a connecting component, 3-21 is a driving connecting part, 3-22 is a grinding roller connecting part, 3-23 is a locking component, 4 is a control device, and 5 is a welding limiter.
Detailed Description
In order to further describe the technical means and effects adopted for achieving the preset aim of the utility model, the following detailed description refers to the specific implementation, structure, characteristics and effects according to the application of the utility model with reference to the accompanying drawings and preferred embodiments. In the following description, different "an embodiment" or "an embodiment" do not necessarily refer to the same embodiment. Furthermore, the particular features, structures, or characteristics of one or more embodiments may be combined in any suitable manner.
As shown in FIG. 1, an off-line overlaying device 2 for a roller sleeve of a grinding roller of a medium-speed coal mill provided by one embodiment of the utility model comprises a supporting platform 1, an overlaying device 2, a grinding roller driving device 3 and a control device 4; a front supporting structure 1-1 is fixedly arranged on the supporting platform 1 and is used for supporting the front part of the grinding roller set to be welded; the front support structure 1-1 is arranged on one side of the front support structure 1-1 and can be driven to rotate when supporting the grinding roller set to be welded. The support platform 1 is fixedly provided with a rear support structure 1-2 for supporting the rear part of the grinding roller set to be welded so as to be matched with the front support structure 1-1 to form a stable support of the grinding roller set to be welded.
The lower extreme of supporting platform 1 is provided with supporting wheel 1-3 for supporting platform 1 removes, in order to conveniently remove supporting platform 1 near the medium speed coal pulverizer and operate, can accomplish the build-up welding to the grinding roller shell fast and conveniently.
The build-up welding device 2 includes: the welding machine comprises a welding frame 2-1, a welding moving mechanism 2-2, a welding gun 2-3 and a heap welding machine 2-4; the welding frame 2-1 is fixedly arranged on the supporting platform 1 and is used for supporting the welding moving mechanism 2-2 to move. In the embodiment, the welding frame 2-1 is preferably a cross welding frame 2-1, and has reliable structure and convenient installation and arrangement. The welding moving mechanism 2-2 is arranged on the welding frame 2-1 and can move relative to the welding frame 2-1; the welding gun 2-3 is arranged on the welding moving mechanism 2-2 and is used for overlaying the grinding roller sleeve. The heap welder 2-4 is fixedly arranged on the supporting platform 1; the heap welding machine 2-4 is connected with the welding gun 2-3.
The grinding roller driving device 3 includes: a driving mechanism 3-1 and a connecting member 3-2; the driving mechanism 3-1 is fixedly arranged on the supporting platform 1 and is used for driving the grinding roller to be welded to rotate. In this embodiment, the driving mechanism 3-1 is preferably a gear motor to stably drive the grinding roller to rotate. Alternatively, the driving mechanism 3-1 is a combination of a motor and a transmission, and driving the grinding roller to rotate can be realized.
The connecting member 3-2 includes: a drive connection 3-21 and a grinding roller connection 3-22; the driving connecting part 3-21 is in transmission connection with an output shaft of the driving mechanism 3-1; the output shaft of the driving mechanism 3-1 is an external spline shaft. The driving connecting part 3-21 is of an internal spline shaft sleeve structure; the driving connecting part 3-21 is sleeved on the output shaft of the driving mechanism 3-1 and can axially move relative to the output shaft of the driving mechanism 3-1.
The edges of the grinding roller connecting parts 3-22 are provided with clamping grooves; the number of the clamping grooves is multiple; the clamping grooves are arranged in an array with the rotation axis of the grinding roller connecting parts 3-22 as the center and are used for clamping bolts at the end parts of the grinding rollers to be welded so as to drive. The grinding roller connecting part 3-22 and the driving connecting part 3-21 are coaxially arranged; the grinding roller connecting part 3-22 and the driving connecting part 3-21 are integrally arranged; when the grinding roller connecting parts 3-22 are in butt joint with the end parts of the magic roller, the grinding roller can be driven to rotate only by pushing the grinding roller connecting parts 3-22 to axially move so that the clamping grooves are correspondingly clamped into the bolts at the end parts of the grinding roller.
The driving connecting part 3-21 is provided with a locking member 3-23 for limiting the axial position of the driving connecting part 3-21 relative to the output shaft of the driving mechanism 3-1; after the clamping groove on the grinding roller connecting part 3-22 is clamped into the bolt at the end part of the grinding roller, the grinding roller can be fixed through the locking component 3-23, so that the driving connecting part 3-21 is prevented from moving axially. The locking members 3-23 may be bolts.
The control device 4 is arranged on the supporting platform 1 and is respectively connected with the driving mechanism 3-1 and the welding moving mechanism 2-2 for control.
According to the off-line overlaying device 2 for the roller sleeve of the medium-speed coal mill, which is provided by the embodiment of the utility model, the convenience of overlaying operation on the roller sleeve of the medium-speed coal mill can be improved, so that the production efficiency is improved, and the production cost is reduced.
As a preference of the above embodiment, one side of the front support structure 1-1 is fixedly provided with a welding limiter 5; the welding limiter 5 is connected with the control device 4 and used for controlling the welding width, so that the automatic control is facilitated.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "secured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the details are not described.
The above description is only of the preferred embodiments of the present utility model, and is not intended to limit the present utility model in any way, but any simple modification, equivalent variation and modification made to the above embodiments according to the technical substance of the present utility model still fall within the scope of the technical solution of the present utility model.
Claims (5)
1. The off-line overlaying device for the grinding roller sleeve of the medium-speed coal mill is characterized by comprising a supporting platform, an overlaying device, a grinding roller driving device and a control device;
a front supporting structure is fixedly arranged on the supporting platform and used for supporting the front part of the grinding roller set to be welded;
a rear supporting structure is fixedly arranged on the supporting platform and used for supporting the rear part of the grinding roller set to be welded;
the lower end of the supporting platform is provided with supporting wheels for supporting the supporting platform to move;
the build-up welding device includes: the welding machine comprises a welding frame, a welding moving mechanism, a welding gun and a surfacing machine;
the welding frame is fixedly arranged on the supporting platform;
the welding moving mechanism is arranged on the welding frame and can move relative to the welding frame;
the welding gun is arranged on the welding moving mechanism;
the surfacing machine is fixedly arranged on the supporting platform; the surfacing machine is connected with the welding gun;
the grinding roller driving device includes: a drive mechanism and a connecting member;
the driving mechanism is fixedly arranged on the supporting platform;
the connecting member includes: a drive connection and a grinding roller connection;
the driving connecting part is in transmission connection with an output shaft of the driving mechanism; the driving connecting part is of an internal spline shaft sleeve structure; the driving connecting part is sleeved on the output shaft of the driving mechanism and can axially move relative to the output shaft of the driving mechanism;
the edge of the grinding roller connecting part is provided with a clamping groove; the number of the clamping grooves is multiple; the clamping grooves are arranged in an array with the rotation axis of the grinding roller connecting part as a center and are used for clamping bolts at the end parts of the grinding rollers to be welded so as to drive;
the grinding roller connecting part and the driving connecting part are coaxially arranged;
the grinding roller connecting part and the driving connecting part are integrally arranged;
the driving connecting part is provided with a locking member for limiting the axial position of the driving connecting part relative to the output shaft of the driving mechanism;
the control device is arranged on the supporting platform and is respectively connected with the driving mechanism and the welding moving mechanism to control.
2. The off-line overlaying device for the roller sleeve of the medium speed coal mill according to claim 1, wherein,
a welding limiter is fixedly arranged on one side of the front supporting structure;
the welding limiter is connected with the control device and used for controlling the welding width.
3. The off-line overlaying device for the roller sleeve of the medium speed coal mill according to claim 1, wherein,
the welding frame is a cross welding frame.
4. The off-line overlaying device for the roller sleeve of the medium speed coal mill according to claim 1, wherein,
the driving mechanism is a gear motor.
5. The off-line overlaying device for the roller sleeve of the medium speed coal mill according to claim 1, wherein,
the driving mechanism is a combination of a motor and a speed changer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320308069.5U CN219310423U (en) | 2023-02-23 | 2023-02-23 | Off-line overlaying device for grinding roller sleeve of medium-speed coal mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320308069.5U CN219310423U (en) | 2023-02-23 | 2023-02-23 | Off-line overlaying device for grinding roller sleeve of medium-speed coal mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219310423U true CN219310423U (en) | 2023-07-07 |
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ID=87033449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320308069.5U Active CN219310423U (en) | 2023-02-23 | 2023-02-23 | Off-line overlaying device for grinding roller sleeve of medium-speed coal mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219310423U (en) |
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2023
- 2023-02-23 CN CN202320308069.5U patent/CN219310423U/en active Active
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