CN212310077U - Mechanical turnover mechanism for sieve bend - Google Patents
Mechanical turnover mechanism for sieve bend Download PDFInfo
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- CN212310077U CN212310077U CN202021395686.6U CN202021395686U CN212310077U CN 212310077 U CN212310077 U CN 212310077U CN 202021395686 U CN202021395686 U CN 202021395686U CN 212310077 U CN212310077 U CN 212310077U
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- sieve bend
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Abstract
The utility model discloses a sieve bend mechanical type tilting mechanism, which belongs to the technical field of sieve bend equipment, and comprises a sieve bend bracket, a base, a revolving body, a first revolving type speed reducer, a first revolving motor and a sieve bend, wherein the base is fixedly connected on the sieve bend bracket, the first revolving motor is connected on the first revolving type speed reducer, the first revolving type speed reducer is connected on the revolving body, the revolving body is rotatably connected on the base, an electro-optical limiting device is fixedly connected on the base, the sieve bend base is fixedly connected on the revolving body and is connected with a machine part, the sieve bend bracket is connected with a second revolving type speed reducer, the second revolving motor is connected on the second revolving type speed reducer, the sieve bend is fixedly connected on the sieve bend base and is connected with the machine part, the structural design is ingenious, the external dimension of the equipment is small, the installation is convenient, the whole set of transmission device, by adopting the worm and gear transmission principle, the large transmission ratio is realized, the transmission process is more stable and effective, and the noise is very low.
Description
Technical Field
The utility model relates to a sieve bend equipment technical field, more specifically say, relate to a sieve bend mechanical type tilting mechanism.
Background
Because the sieve bend has the advantages of simple structure, convenient installation, small occupied area, no transmission structure and large processing capacity, more than 90 percent of domestic coal preparation plants apply the sieve bend to the pre-medium removal link of a coal preparation process system. The coal dressing and medium removing sieve bend is a fixed sieve bend and a turnover sieve bend. The appearance of the turnover arc-shaped sieve greatly improves the utilization rate of the expensive arc-shaped sieve plate and saves the economic cost.
The existing arc screen turnover mechanism is generally a hydraulic turnover mechanism, is relatively stable in operation, but relatively high in price, and cannot work under the condition of relatively high or relatively low temperature, the oil leakage problem is ubiquitous, improper treatment is realized, the site is not only polluted, and fire and even explosion accidents can be caused.
The traditional turnover sieve bend generally adopts a hydraulic turnover mechanism, but some defects of hydraulic transmission per se cause troubles for users of the sieve bend. The disadvantages of hydraulic transmission: 1. the transmission efficiency is low due to the large resistance and leakage of the fluid flow. If not properly handled, leaks not only contaminate the field, but may also cause fires; 2. the working performance is easily affected by temperature change, so that the working is not suitable for working under the condition of high or low temperature; 3. the manufacturing precision requirement of the hydraulic element is higher, so the price is higher; 4. because of the leakage and compressibility influence of the liquid medium, a strict transmission ratio cannot be obtained, and the transmission precision error is large; 5. the reason is not easy to find out when the hydraulic transmission fails; the use and maintenance requirements are of a high technical level.
Neotype mechanical type tilting mechanism adopts two sets of rotation reducers, realizes the upset and the rotation function of sieve bend through a miniwatt low-speed motor respectively, and welded mounting has magnetism to feel formula proximity switch on the reducer, when realizing the steady effective upset of sieve bend, satisfies the designing requirement of safety, environmental protection.
SUMMERY OF THE UTILITY MODEL
The utility model aims to prior art not enough, the utility model provides a sieve bend mechanical type tilting mechanism, this structural design is ingenious, and equipment overall dimension is little, and simple to operate makes a whole set of transmission structure compacter, has saved more installation space, adopts the turbine worm transmission principle, realizes very big drive ratio, and the transmission process is more steady effective, and the noise is very low.
The purpose of the utility model can be realized by the following technical scheme:
the utility model provides a sieve bend mechanical type tilting mechanism, includes sieve bend support, base, the solid of revolution, first gyration formula reduction gear, first slewing motor and sieve bend, base fixed connection is on the sieve bend support, first slewing motor connects on first gyration formula reduction gear, first gyration formula reduction gear is connected on the solid of revolution, the solid of revolution rotates to be connected on the base, fixedly connected with electro-optic stop device on the base, the part is connected to fixedly connected with sieve bend base on the solid of revolution, sieve bend leg joint has second gyration reduction gear, be connected with second slewing motor on the second gyration reduction gear, sieve bend fixed connection is on sieve bend base connects the part.
As an optimized scheme of the utility model, first gyration formula reduction gear fixed connection is on the sieve bend support, the installation through-hole has been seted up on the sieve bend support, the base passes through bolt fixed connection in the installation through-hole, bolt fixed connection is passed through at the installation through-hole to the one end of first gyration formula reduction gear.
As an optimized scheme of the utility model, first gyration formula reduction gear and second gyration reduction gear are the turbine worm structure, the drive power of turbine worm structure is below kW, the turbine worm structure includes turbine and worm, turbine and worm are made by cast iron material, turbine and worm evenly scribble lubricating oil.
As a preferred scheme of the utility model, first rotating electrical machines and second rotating electrical machines all with external power source electric connection, first rotating electrical machines and second rotating electrical machines are step motor, all be equipped with control chip on first rotating electrical machines and the second rotating electrical machines.
As an optimized scheme of the utility model, the sieve bend is made by stainless steel material, be equipped with built-in power on the base, first rotating electrical machines and second rotating electrical machines all with built-in power electric connection.
The utility model has the advantages that:
1. the utility model relates to an ingenious, equipment overall dimension is little, simple to operate, makes a whole set of transmission structure compacter, has saved more installation space.
2. The utility model discloses a very big drive ratio can be realized to the worm gear transmission principle, and transmission process is steady more effective, and the noise is very low.
3. The utility model provides a worm gear transmission has self-locking function, lets mechanical type tilting mechanism safer, reliable at the in-process that uses.
4. The utility model discloses a modular structural formula design, every module all are the mature product in market, go wrong under extreme operating mode, can realize quick replacement, have guaranteed the production efficiency of coal preparation plant.
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 or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a front view of the present invention;
fig. 2 is a top view of the present invention;
fig. 3 is a schematic structural view of a second rotary reducer.
The reference numbers in the figures illustrate: 1. a base; 2. a revolving body; 3. a first slewing type speed reducer; 4. a first rotary electric machine; 5. an electro-optical limiting device; 6. a curved screen support; 7. a second rotary type speed reducer; 8. a second rotary electric machine; 9. the arc-shaped sieve base is connected with the machine part.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 and 2, a sieve bend mechanical type tilting mechanism, including sieve bend support 6, base 1, the solid of revolution 2, first gyration formula reduction gear 3, first slewing motor 4 and sieve bend, base 1 fixed connection is on sieve bend support 6, first slewing motor 4 is connected on first gyration formula reduction gear 3, first gyration formula reduction gear 3 is connected on the solid of revolution 2, the solid of revolution 2 rotates and connects on base 1, fixedly connected with lightning stop device 5 on the base 1, fixedly connected with sieve bend base connection parts 9 on the solid of revolution 2, as shown in fig. 3, sieve bend support 6 is connected with second gyration reduction gear 7, be connected with second slewing motor 8 on the second gyration reduction gear 7, sieve bend fixed connection is on sieve bend base connection parts 9.
First rotary reducer 3 fixed connection has seted up the installation through-hole on sieve bend support 6, and base 1 passes through bolt fixed connection in the installation through-hole, and bolt fixed connection is passed through at the installation through-hole in first rotary reducer 3's one end. Through the installation through hole, the base 1 and the first rotary speed reducer 3 can be detachably connected to the sieve bend support 6.
The first rotary speed reducer 3 and the second rotary speed reducer 7 are both of a worm gear and worm structure, the transmission power of the worm gear and worm structure is below 50kW, the worm gear and worm structure comprises a worm gear and a worm, the worm gear and the worm are made of cast iron materials, and lubricating oil is uniformly coated on the worm gear and the worm. By adopting the worm and gear transmission principle, a large transmission ratio can be realized, the transmission process is more stable and effective, and the noise is very high.
First rotating electrical machines 4 and second rotating electrical machines 8 all with external power source electric connection, first rotating electrical machines 4 and second rotating electrical machines 8 are step motor, all are equipped with control chip on first rotating electrical machines 4 and the second rotating electrical machines 8. The sieve bend is made by stainless steel material, is equipped with built-in power on the base 1, and first rotating electrical machines 4 and second rotating electrical machines 8 all are connected with built-in power electrical property.
The scheme is composed of a base, a revolving body, two groups of revolving reducers (a turbine and worm structure), two groups of revolving motors and two groups of electro-optical limiting devices; the base is fixed on the arc-shaped screen bracket, and the revolving body is fixedly connected with the ground of the sieve frame of the arc-shaped screen; when the first rotary motor rotates, the worm drives the turbine to rotate, and the gyrator drives the revolving body to turn over at the position, so that the effect of turning over the sieve frame of the sieve bend and the revolving body simultaneously is formed, and the purpose of turning over the angle of the sieve bend is achieved; when the second rotary motor rotates, the worm drives the turbine to rotate, the position gyrator is connected with the ground of the sieve bend, and the purpose of rotating the sieve frame of the sieve bend is directly achieved through rotation of the gyrator.
The scheme has the advantages of ingenious design, small equipment appearance size and convenient installation, enables the whole set of transmission device to have a more compact structure, and saves more installation space; the scheme adopts a worm and gear transmission principle, can realize a large transmission ratio, is more stable and effective in the transmission process and has low noise; the worm and gear transmission in the scheme has a self-locking function, so that the mechanical turnover mechanism is safer and more reliable in the use process; due to the adoption of the modularized structural design, each module is a mature product in the market, and the problem occurs under the extreme working condition, so that the rapid replacement can be realized, and the production efficiency of the coal preparation plant is ensured.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.
Claims (5)
1. The utility model provides a sieve bend mechanical type tilting mechanism which characterized in that:
comprises a sieve bend bracket (6), a base (1), a revolving body (2), a first revolving speed reducer (3), a first revolving motor (4) and a sieve bend, the base (1) is fixedly connected to the sieve bend bracket (6), the first rotary motor (4) is connected to the first rotary speed reducer (3), the first rotary speed reducer (3) is connected to the rotary body (2), the rotary body (2) is rotatably connected to the base (1), an electro-optical limiting device (5) is fixedly connected to the base (1), an arc-shaped screen base connecting machine part (9) is fixedly connected to the revolving body (2), the arc-shaped screen bracket (6) is connected with a second rotary speed reducer (7), and the second rotary speed reducer (7) is connected with a second rotary motor (8), and the sieve bend is fixedly connected to a sieve bend base connecting part (9).
2. The mechanical trommel turnover mechanism of claim 1, wherein: first gyration formula reduction gear (3) fixed connection is on sieve bend support (6), the installation through-hole has been seted up on sieve bend support (6), base (1) is in the installation through-hole through bolt fixed connection, the one end of first gyration formula reduction gear (3) is through bolt fixed connection at the installation through-hole.
3. The mechanical trommel turnover mechanism of claim 1, wherein: first gyration formula reduction gear (3) and second gyration reduction gear (7) are the turbine worm structure, the drive power of turbine worm structure is below 50kW, the turbine worm structure includes turbine and worm, turbine and worm are made by cast iron material, turbine and worm evenly scribble lubricating oil.
4. The mechanical trommel turnover mechanism of claim 1, wherein: first rotating electrical machines (4) and second rotating electrical machines (8) all with external power source electric connection, first rotating electrical machines (4) and second rotating electrical machines (8) are step motor, all be equipped with control chip on first rotating electrical machines (4) and second rotating electrical machines (8).
5. The mechanical trommel turnover mechanism of claim 1, wherein: the sieve bend is made by stainless steel material, be equipped with built-in power supply on base (1), first rotating electrical machines (4) and second rotating electrical machines (8) all with built-in power supply electric connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021395686.6U CN212310077U (en) | 2020-07-14 | 2020-07-14 | Mechanical turnover mechanism for sieve bend |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021395686.6U CN212310077U (en) | 2020-07-14 | 2020-07-14 | Mechanical turnover mechanism for sieve bend |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212310077U true CN212310077U (en) | 2021-01-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021395686.6U Active CN212310077U (en) | 2020-07-14 | 2020-07-14 | Mechanical turnover mechanism for sieve bend |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212310077U (en) |
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2020
- 2020-07-14 CN CN202021395686.6U patent/CN212310077U/en active Active
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