CN207981593U - Vibrating screen exciting force adjusting device - Google Patents
Vibrating screen exciting force adjusting device Download PDFInfo
- Publication number
- CN207981593U CN207981593U CN201721737657.1U CN201721737657U CN207981593U CN 207981593 U CN207981593 U CN 207981593U CN 201721737657 U CN201721737657 U CN 201721737657U CN 207981593 U CN207981593 U CN 207981593U
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- CN
- China
- Prior art keywords
- eccentric block
- main eccentric
- interior main
- shaft
- half annulus
- 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.)
- Expired - Fee Related
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- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
Vibrating screen exciting force adjusting device provided by the utility model, including shaft, main eccentric block, secondary eccentric block and baffle, main eccentric block is located at roller end and fixation is set in shaft, main eccentric block includes interior main eccentric block and annular casting lug thereon, interior main eccentric block is upper and lower semicircle ring structure, annular casting lug thereon is close to interior main eccentric block close to shaft end face side and coaxial with shaft, there is the groove coaxial with shaft in the end face of annular casting lug thereon, baffle is embedded in groove and is fixed by bolt and shaft, secondary eccentric block is set on annular casting lug thereon, there is at least one set of positioning spiro pit on the lower half annulus of interior main eccentric block, having on secondary eccentric block makes the through-hole that the bolt coordinated with positioning spiro pit passes through.The utility model is by the way that secondary eccentric block to be set on main eccentric block so that easy to operate when needing replacing secondary eccentric block to change exciting force.
Description
Technical field
The utility model is related to vibrating screen technical fields, more particularly to a kind of vibrating screen exciting force adjusting device.
Background technology
Main eccentric block and secondary eccentric block are set in shaft by existing vibration force adjusting device simultaneously, and main eccentric block is solid
Fixed, secondary eccentric block rotates to adjust exciting force relative to main eccentric block.Since secondary eccentric block is set in shaft in the structure, when need
Secondary eccentric block is replaced come when changing exciting force, dismounting bothers.
Invention content
In view of the above technical problems, the utility model provides a kind of vibrating screen exciting force adjusting device.
The vibrating screen exciting force adjusting device of the utility model, including shaft, main eccentric block, secondary eccentric block and baffle, it is main
Eccentric block is located at the end of shaft and fixation is set in shaft, and main eccentric block includes interior main eccentric block and annular casting lug thereon, interior
Main eccentric block is upper and lower semicircle ring structure, and the outer diameter of the upper half annulus of interior main eccentric block is less than the outer diameter of its lower half annulus, interior master
The internal diameter of the upper half annulus of eccentric block is equal to the internal diameter of its lower half annulus, and annular casting lug thereon is close to interior main eccentric block close to shaft end
Face side is simultaneously coaxial with shaft, and the outer diameter of annular casting lug thereon is less than the outer diameter of the upper half annulus of interior main eccentric block, annular casting lug thereon
Internal diameter be equal to interior main eccentric block upper half annulus internal diameter, there is the groove coaxial with shaft, gear in the end face of annular casting lug thereon
Plate is embedded in groove and is fixed by bolt and shaft；Secondary eccentric block is set on annular casting lug thereon, and secondary eccentric block is upper lower half circle
Ring structure, the outer diameter of the upper half annulus of secondary eccentric block are equal to the outer diameter of the upper half annulus of interior main eccentric block, the lower half of secondary eccentric block
The outer diameter of annulus is equal to the outer diameter of the lower half annulus of interior main eccentric block；It is at least one set of fixed to exist on the lower half annulus of interior main eccentric block
Position threaded hole, having on secondary eccentric block makes the through-hole that the bolt coordinated with positioning spiro pit passes through.
Preferably, interior main eccentric block and annular casting lug thereon are integrally formed.
Preferably, positioning spiro pit is located on the radius of the lower half anchor ring of interior main eccentric block.
Preferably, the through-hole on secondary eccentric block is arranged into a semi-circular, and it is uniformly distributed relative to shaft axis.
Preferably, interior main eccentric block has the concaveconvex structure mutually chimeric with other parts far from shaft end face side.Into
One step, concaveconvex structure includes the first jog and the second jog, and the first jog is located at the upper half annulus of interior main eccentric block
On, the second jog is located on the lower half annulus of interior main eccentric block, and the second jog is connected to the positioning spiro pit.
Compared with prior art, the vibrating screen exciting force adjusting device of the utility model, by the way that secondary eccentric block to be set in
On main eccentric block so that replacement operation is convenient when needing replacing secondary eccentric block to change exciting force, while having secondary by changing
The function of angle adjustment exciting force, simple in structure between eccentric block and main eccentric block, convenient and practical.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model vibrating screen exciting force adjusting device.
Fig. 2 is the schematic side view along the directions A of the utility model vibrating screen exciting force adjusting device.
Specific implementation mode
To make to have further understanding to the purpose of this utility model, construction, feature and its function, hereby coordinate embodiment
Detailed description are as follows.
As shown in Figure 1, 2, vibrating screen exciting force adjusting device includes shaft 1, main eccentric block 2, secondary eccentric block 3 and baffle 4,
Main eccentric block 2 is located at the end of shaft 1 and fixation is set in shaft 1, and main eccentric block 2 includes interior main eccentric block 21 and convex annular
Go out block 22, interior main eccentric block 21 is upper and lower semicircle ring structure, and the outer diameter of the upper half annulus of interior main eccentric block 21 is less than its lower half circle
The outer diameter of ring, the internal diameter of the upper half annulus of interior main eccentric block 21 are equal to the internal diameter of its lower half annulus, and annular casting lug thereon 22 is close to interior
Main eccentric block 21 is less than interior main eccentric block 21 close to 1 end face side of shaft and coaxial with shaft 1, the outer diameter of annular casting lug thereon 22
The outer diameter of upper half annulus, the internal diameter of annular casting lug thereon 22 are equal to the internal diameter of the upper half annulus of interior main eccentric block 21, annular casting lug thereon
There is the groove 5 coaxial with shaft 1 in 22 end face, baffle 4 is embedded in groove 5 and is fixed by bolt and shaft 1；Secondary eccentric block 3
It is set on annular casting lug thereon 22, secondary eccentric block 3 is upper and lower semicircle ring structure, and the outer diameter of the upper half annulus of secondary eccentric block 3 is equal to
The outer diameter of the upper half annulus of interior main eccentric block 21, the outer diameter of the lower half annulus of secondary eccentric block 3 are equal to the lower half of interior main eccentric block 21
The outer diameter of annulus；There is at least one set of positioning spiro pit 6 on the lower half annulus of interior main eccentric block 21, having on secondary eccentric block 3 makes
With positioning spiro pit 6 coordinate bolt by through-hole 7.
Preferably, interior main eccentric block 21 and annular casting lug thereon 22 are integrally formed.
Preferably, positioning spiro pit 6 is located on the radius of the lower half anchor ring of interior main eccentric block 21.When positioning spiro pit 6
At only one group or several groups, the through-hole 7 on secondary eccentric block 3 is arranged into a semi-circular, and uniform relative to shaft axis
Distribution.When positioning spiro pit 6 has many groups, the through-hole 7 on secondary eccentric block 3 is located at the radius in the centre position of lower half anchor ring
On, and have one group or multigroup.
Preferably, interior main eccentric block 21 has the concaveconvex structure mutually chimeric with other parts far from 1 end face side of shaft
8.Further, concaveconvex structure 8 includes the first jog 81 and the second jog 82, and the first jog 81 is located at interior main eccentric block
On 21 upper half annulus, the second jog 82 is located on the lower half annulus of interior main eccentric block 21, the second jog 82 with it is described fixed
Position threaded hole 6 is connected to.
The vibrating screen exciting force adjusting device of the utility model, by the way that secondary eccentric block to be set on main eccentric block so that
Replacement operation is convenient when needing replacing secondary eccentric block to change exciting force, while having by changing secondary eccentric block and main eccentric block
Between angle adjustment exciting force function, it is simple in structure, it is convenient and practical.
The utility model is described by above-mentioned related embodiment, however above-described embodiment is only to implement the utility model
Example.It must be noted that the embodiment disclosed is not limiting as the scope of the utility model.On the contrary, not departing from this
It is changed and retouched made by the spirit and scope of utility model, belongs to the scope of patent protection of the utility model.
Claims (6)
1. a kind of vibrating screen exciting force adjusting device, including shaft, main eccentric block, secondary eccentric block and baffle, the main eccentric block
Positioned at the end of the shaft and fixation be set in the shaft, it is characterised in that the main eccentric block includes interior main eccentric block
With annular casting lug thereon, the interior main eccentric block is upper and lower semicircle ring structure, and the outer diameter of the upper half annulus of the interior main eccentric block is small
In the outer diameter of its lower half annulus, the internal diameter of the upper half annulus of the interior main eccentric block is equal to the internal diameter of its lower half annulus, the ring
Shape casting lug thereon is close to the interior main eccentric block close to shaft end face side and, the annular casting lug thereon coaxial with the shaft
Outer diameter be less than the interior main eccentric block upper half annulus outer diameter, it is described annular casting lug thereon internal diameter be equal to the interior main bias
There is the groove coaxial with the shaft, the baffle insertion in the end face of the internal diameter of the upper half annulus of block, the annular casting lug thereon
The groove is simultaneously fixed by bolt and the shaft；The pair eccentric block is set on the annular casting lug thereon, described secondary inclined
Heart block is upper and lower semicircle ring structure, and the outer diameter of the upper half annulus of the pair eccentric block is equal to the upper half annulus of the interior main eccentric block
Outer diameter, it is described pair eccentric block lower half annulus outer diameter be equal to the interior main eccentric block lower half annulus outer diameter；In described
There is at least one set of positioning spiro pit on the lower half annulus of main eccentric block, having on the pair eccentric block makes and the positioning threads
Hole cooperation bolt by through-hole.
2. vibrating screen exciting force adjusting device as described in claim 1, it is characterised in that the interior main eccentric block and the ring
Shape casting lug thereon is integrally formed.
3. vibrating screen exciting force adjusting device as described in claim 1, it is characterised in that the positioning spiro pit is located at described
On the radius of the lower half anchor ring of interior main eccentric block.
4. vibrating screen exciting force adjusting device as described in claim 1, it is characterised in that the through-hole row on the pair eccentric block
Cloth is uniformly distributed at a semi-circular relative to shaft axis.
5. vibrating screen exciting force adjusting device as described in claim 1, it is characterised in that the interior main eccentric block is far from described
Shaft end face side has the concaveconvex structure mutually chimeric with other parts.
6. vibrating screen exciting force adjusting device as claimed in claim 5, it is characterised in that the concaveconvex structure includes first recessed
Protrusion and the second jog, first jog are located on the upper half annulus of the interior main eccentric block, second jog
On the lower half annulus of the interior main eccentric block, second jog is connected to the positioning spiro pit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721737657.1U CN207981593U (en) | 2017-12-14 | 2017-12-14 | Vibrating screen exciting force adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721737657.1U CN207981593U (en) | 2017-12-14 | 2017-12-14 | Vibrating screen exciting force adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207981593U true CN207981593U (en) | 2018-10-19 |
Family
ID=63816568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721737657.1U Expired - Fee Related CN207981593U (en) | 2017-12-14 | 2017-12-14 | Vibrating screen exciting force adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207981593U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113324716A (en) * | 2020-02-28 | 2021-08-31 | 天津益普科技发展有限公司 | Inertia type vibration exciter of full-size pipeline resonance fatigue testing machine |
-
2017
- 2017-12-14 CN CN201721737657.1U patent/CN207981593U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113324716A (en) * | 2020-02-28 | 2021-08-31 | 天津益普科技发展有限公司 | Inertia type vibration exciter of full-size pipeline resonance fatigue testing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181019 Termination date: 20181214 |