CN117884352A - Linear vibrating screen power system - Google Patents
Linear vibrating screen power system Download PDFInfo
- Publication number
- CN117884352A CN117884352A CN202410269765.9A CN202410269765A CN117884352A CN 117884352 A CN117884352 A CN 117884352A CN 202410269765 A CN202410269765 A CN 202410269765A CN 117884352 A CN117884352 A CN 117884352A
- Authority
- CN
- China
- Prior art keywords
- shaft
- excitation
- vibrating screen
- power system
- linear vibrating
- Prior art date
- 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
Links
- 230000005284 excitation Effects 0.000 claims abstract description 59
- 230000005540 biological transmission Effects 0.000 claims abstract description 38
- 239000000428 dust Substances 0.000 claims abstract description 11
- 230000008878 coupling Effects 0.000 claims description 11
- 238000010168 coupling process Methods 0.000 claims description 11
- 238000005859 coupling reaction Methods 0.000 claims description 11
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
Landscapes
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
A linear vibrating screen power system comprises a motor, an excitation box and a transmission shaft, wherein the excitation box is connected with a vibrating screen through a connecting piece; the transmission shaft comprises a driving shaft connected with the output end of the motor, a middle shaft and an excitation transmission shaft; the intermediate shaft comprises an intermediate shaft body, a dust cover and connecting flanges, and the connecting flanges are arranged at two ends of the intermediate shaft body; the excitation transmission shaft comprises a driving shaft and a driven shaft which all penetrate through the excitation box, and two ends of the driving shaft and the driven shaft are respectively provided with eccentric blocks; the adjacent excitation boxes are connected with the excitation transmission shaft through intermediate shafts, so that transmission is realized. The invention adopts a single motor and double vibration exciters to provide vibration exciting force for the vibrating screen, thereby reducing the energy consumption of the linear vibrating screen and lowering the cost; the excitation box adopts a modularized design, is convenient to replace and disassemble and simple in procedure, and accelerates the production progress; the number and the positions of the weight columns are adjusted according to production requirements, so that the exciting force is adjusted, repeated disassembly and assembly equipment is not needed, and the working efficiency is improved.
Description
Technical Field
The invention relates to the technical field of mining equipment, in particular to a power system applied to a linear vibrating screen.
Background
In a power system of the linear vibrating screen, two groups of vibration exciters fixed on a side plate of the screen machine generally provide exciting force, and each group of vibration exciters is directly driven by a motor. The structure requires the same rotation speed of the two motors, otherwise, the amplitude difference value of four corners of the vibrating screen is overlarge, the use effect is seriously affected by the overlarge difference value of the four corners of the vibrating screen, and the structure directly driven by the double motors consumes large power, consumes more electricity and has high cost in the use process.
In addition, in the structure of the motor independently and directly driving the vibration exciter, the vibration exciters are mutually connected, once one vibration exciter fails, the whole screen can not normally operate, and the screen can normally operate after the failure is thoroughly solved, thereby causing trouble for the working condition of continuous production of a using unit.
In actual production process, to different materials, the vibrating screen should possess different vibration frequencies and amplitudes in order to satisfy different operating mode demands, such as high frequency small amplitude, medium frequency large amplitude, etc., but the vibrating screen of traditional structure is realized through changing eccentric block and motor model, and the change process is complicated, and the shutdown preparation cycle is long, delays the production progress.
Disclosure of Invention
The invention provides a linear vibrating screen power system aiming at the problems in the background technology.
In order to solve the problems, the invention provides a technical scheme that: a linear vibrating screen power system comprises a motor, an excitation box and a transmission shaft, wherein the excitation box is connected with a vibrating screen through a connecting piece; the transmission shaft comprises a driving shaft connected with the output end of the motor,
The transmission shaft further comprises an intermediate shaft and an excitation transmission shaft;
the intermediate shaft comprises an intermediate shaft body, a dust cover and connecting flanges, and the connecting flanges are arranged at two ends of the intermediate shaft body;
The excitation transmission shaft comprises a driving shaft and a driven shaft which all penetrate through the excitation box, and two ends of the driving shaft and the driven shaft are respectively provided with eccentric blocks;
the adjacent excitation boxes are connected with the excitation transmission shaft through intermediate shafts, so that transmission is realized.
As a preferable technical scheme: in the excitation transmission shaft, a driving shaft and a driven shaft are arranged in parallel and are arranged on the side wall of the excitation box through a rotary support piece.
As a preferable technical scheme: and the driving shaft and the driven shaft are respectively sleeved with a gear, and the two gears are mutually meshed to realize synchronous reverse rotation.
As a preferable technical scheme: one end of the driving shaft is provided with a triangular coupling, and the other end of the driving shaft is provided with a flange plate.
As a preferable technical scheme: the driving shaft is connected with the intermediate shaft through a triangular coupling, and the driving shaft is connected with the driving shaft through a flange plate to realize transmission.
As a preferable technical scheme: the middle shaft body is a spline type telescopic shaft, the dust cover is a telescopic cover, and the dust cover is sleeved outside the telescopic section of the middle shaft body.
As a preferable technical scheme: triangular connecting flanges are arranged at two ends of the intermediate shaft, and the phases of bolt holes on the connecting flanges are consistent with those of bolt holes of the triangular coupling end mounting flanges.
As a preferable technical scheme: a plurality of detachable counterweight columns are arranged on the periphery of the eccentric block.
As a preferable technical scheme: the excitation box, the excitation transmission shaft and the eccentric block form a modularized excitation assembly.
Compared with the prior art, the invention has the following beneficial effects:
1. the single motor is adopted to connect with the double vibration exciter, so as to provide exciting force for the vibrating screen, reduce the energy consumption of the linear vibrating screen and reduce the cost;
2. the excitation box adopts a modularized design, is convenient to replace and disassemble, has simple working procedures and short false work period, and accelerates the production progress;
3. the number and the positions of the weight columns are adjusted according to actual production requirements, so that the adjustment of the exciting force is realized, repeated disassembly and assembly equipment is not needed, the preparation time is shortened, and the working efficiency is improved.
Drawings
FIG. 1 is a block diagram of a powertrain of the present invention.
Fig. 2 is a schematic view of the structure of the driving shaft of the present invention.
Fig. 3 is a schematic view of the intermediate shaft structure of the present invention.
Fig. 4 is a schematic view of the structure of the connecting flange of the present invention.
FIG. 5 is a schematic view of the installation position of the excitation transmission shaft in the invention.
Fig. 6 is a view in the direction a of fig. 5.
Fig. 7 is a top view of the mounting position of the excitation drive shaft according to the present invention.
In the figure: the vibration isolator comprises a first vibration excitation box 1, a triangular coupling 2, an intermediate shaft 3, a second vibration excitation box 4, a driving shaft 5, a motor 6, a driving belt pulley 7, a belt 8, a driven belt pulley 9, a belt pulley shaft seat 10, a dust cover 11, an intermediate shaft body 12, a connecting flange 13, a driven shaft 14, a driving shaft 15, an eccentric block 16, a counterweight column 17 and a flange 18.
Detailed Description
The invention is further described below with reference to the drawings and examples.
Referring to fig. 1-7, the linear vibrating screen power system disclosed by the invention comprises a motor, an excitation box and a transmission shaft. The motor 6 realizes power output through a belt 8, a driven pulley 9 and a pulley shaft seat 10. The first vibration excitation box 1 and the second vibration excitation box 4 are connected with a screen box of the vibrating screen through bolts, and the two vibration excitation boxes are in series transmission. The driving transmission components such as the driving shaft 5, the motor 6, the driving belt pulley 7, the belt 8, the driven belt pulley 9, the belt pulley shaft seat 10 and the like can be arranged on the left side or the right side of the linear vibrating screen according to the field installation requirement.
The drive shaft comprises a drive shaft 5 connected to the output of the motor. The transmission shaft still includes jackshaft 3 and excitation transmission shaft, and jackshaft 3 includes jackshaft body, dust cover 11 and flange 13, and flange 13 sets up the both ends at the jackshaft body. The excitation transmission shaft comprises a driving shaft 15 and a driven shaft 14 which all penetrate through the excitation box, and two ends of the driving shaft 15 and the driven shaft 14 are respectively provided with an eccentric block 16.
The adjacent excitation boxes are connected with an excitation transmission shaft through an intermediate shaft 3, so that transmission is realized. In the embodiment, the driving shafts of the left vibration excitation box and the right vibration excitation box are connected through the intermediate shaft to realize transmission.
In a preferred embodiment, in the excitation transmission shaft, a driving shaft 15 and a driven shaft 14 are arranged in parallel, and a rotating support member such as a bearing is mounted on the side wall of the excitation box. The driving shaft 15 and the driven shaft 14 are respectively sleeved with a gear, and the two gears are mutually meshed to realize synchronous reverse rotation. One end of the driving shaft is provided with a triangular coupling 2, the other end of the driving shaft is provided with a flange plate, the driving shaft is connected with the intermediate shaft through the triangular coupling 2, and the driving shaft is connected with the driving shaft through a flange plate 18, so that transmission is realized. Two eccentric blocks are respectively arranged on each shaft and symmetrically arranged on two sides of the box body. The two shafts realize synchronous reverse rotation through a pair of meshed gears, so that the two groups of eccentric blocks are driven to synchronously reversely rotate, and periodic power, namely exciting force, is provided for reciprocating linear motion of the screening machine.
The intermediate shaft body 12 is a spline type telescopic shaft, the dust cover 11 is a telescopic cover, and the dust cover is sleeved outside the telescopic section of the intermediate shaft body 12. Triangular connecting flanges are arranged at two ends of the intermediate shaft, and the phases of bolt holes on the connecting flanges are consistent with those of bolt holes of the triangular coupling end mounting flanges.
The eccentric block 16 is provided with a counterweight column 17, and the periphery of the eccentric block is provided with a plurality of detachable counterweight columns.
See fig. 1, in this embodiment: one motor is connected with a belt pulley shaft seat through a belt, the belt pulley shaft seat is connected with adjacent excitation boxes through a driving shaft, the two excitation boxes are connected through an intermediate shaft, and the intermediate shaft can ensure that the left excitation box and the right excitation box synchronously operate.
The box body of the vibration excitation box, the vibration excitation transmission shaft and the eccentric block form a modularized vibration excitation assembly, the modularized design has complete interchangeability, and once the vibration excitation box has a problem, a new vibration excitation box can be immediately replaced so as to ensure that the screen machine continues to operate; the vibrating screen can have different vibration frequencies by replacing the motor or the belt pulley on the belt pulley seat.
Preferably, the drive shaft 4 is also a spline type telescopic shaft. The connecting flanges at two ends are all of universal coupling structures, one end of each connecting flange is connected with the shaft seat of the belt pulley, and the other end of each connecting flange is connected with the flange plate output on the adjacent excitation box. The structure can stably transfer the power of the motor in the starting and running processes of the vibrating screen.
The eccentric block 16 adopts an eccentric structure, and is provided with an independent detachable counterweight column 17, and the purpose of adjusting the exciting force is realized by adjusting the installation position of the counterweight column 17 or using different materials, different structures or the number of the counterweight columns, so that the vibrating screen has the vibration amplitude value required by a user.
Claims (9)
1. A linear vibrating screen power system comprises a motor, an excitation box and a transmission shaft, wherein the excitation box is connected with a vibrating screen through a connecting piece; the transmission shaft includes the drive shaft of being connected with the motor output, its characterized in that:
the transmission shaft further comprises an intermediate shaft and an excitation transmission shaft;
the intermediate shaft comprises an intermediate shaft body, a dust cover and connecting flanges, and the connecting flanges are arranged at two ends of the intermediate shaft body;
The excitation transmission shaft comprises a driving shaft and a driven shaft which all penetrate through the excitation box, and two ends of the driving shaft and the driven shaft are respectively provided with eccentric blocks;
the adjacent excitation boxes are connected with the excitation transmission shaft through intermediate shafts, so that transmission is realized.
2. The linear vibrating screen power system of claim 1, wherein: the driving shaft and the driven shaft are arranged in parallel and are installed on the side wall of the excitation box through the rotating support piece.
3. The linear vibrating screen power system of claim 2, wherein: and the driving shaft and the driven shaft are respectively sleeved with a gear, and the two gears are mutually meshed to realize synchronous reverse rotation.
4. The linear vibrating screen power system of claim 1, wherein: one end of the driving shaft is provided with a triangular coupling, and the other end of the driving shaft is provided with a flange plate.
5. The linear vibrating screen power system of claim 4, wherein: the driving shaft is connected with the intermediate shaft through a triangular coupling, and the driving shaft is connected with the driving shaft through a flange plate to realize transmission.
6. The linear vibrating screen power system of claim 1, wherein: the middle shaft body is a spline type telescopic shaft, the dust cover is a telescopic cover, and the dust cover is sleeved outside the telescopic section of the middle shaft body.
7. The linear vibrating screen power system of claim 6, wherein: triangular connecting flanges are arranged at two ends of the intermediate shaft, and the phases of bolt holes on the connecting flanges are consistent with those of bolt holes of the triangular coupling end mounting flanges.
8. The linear vibrating screen power system of claim 1, wherein: a plurality of detachable counterweight columns are arranged on the periphery of the eccentric block.
9. The linear vibrating screen power system of any of claims 1-8, wherein: the excitation box, the excitation transmission shaft and the eccentric block form a modularized excitation assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410269765.9A CN117884352A (en) | 2024-03-11 | 2024-03-11 | Linear vibrating screen power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410269765.9A CN117884352A (en) | 2024-03-11 | 2024-03-11 | Linear vibrating screen power system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117884352A true CN117884352A (en) | 2024-04-16 |
Family
ID=90642688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410269765.9A Pending CN117884352A (en) | 2024-03-11 | 2024-03-11 | Linear vibrating screen power system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117884352A (en) |
-
2024
- 2024-03-11 CN CN202410269765.9A patent/CN117884352A/en active Pending
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