CN213727701U - Stable structure of screen box of linear vibrating screen of screen side vibration exciter - Google Patents

Stable structure of screen box of linear vibrating screen of screen side vibration exciter Download PDF

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Publication number
CN213727701U
CN213727701U CN202022234776.3U CN202022234776U CN213727701U CN 213727701 U CN213727701 U CN 213727701U CN 202022234776 U CN202022234776 U CN 202022234776U CN 213727701 U CN213727701 U CN 213727701U
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China
Prior art keywords
vibration
screen
sieve
vibrating screen
supporting beam
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CN202022234776.3U
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Chinese (zh)
Inventor
傅宏亮
张永才
马书彬
曹畅
王亚琪
梁福兴
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Tangshan Senpu Mining Equipment Co ltd
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Tangshan Senpu Mining Equipment Co ltd
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Abstract

The utility model provides a stable structure of sieve group vibration exciter rectilinear vibrating screen sieve case, is including installing two sets of vibration exciters in sieve case curb plate position, at rectilinear vibrating screen sieve incasement, is provided with the double supporting beam that is used for stabilizing the vibration exciters in the bilateral symmetry of two sets of vibration exciters center line, and the both ends of every supporting beam are connected with sieve case curb plate through the connecting piece respectively, the supporting beam is arranged in pairs to the relative sieve case direction of vibration axis symmetry. Simple structure and reliable performance. The problem of unstable sieve box of the linear vibrating screen with a large length-width ratio (namely, a slender type) in the screen side vibration exciter linear vibrating screen is thoroughly solved, so that stable vibration parameters such as the amplitude and the vibration direction angle of the vibrating screen are obtained.

Description

Stable structure of screen box of linear vibrating screen of screen side vibration exciter
Technical Field
The utility model relates to a shale shaker sieve case stabilising arrangement especially relates to an in sieve group vibration exciter linear vibrating screen, sieve group vibration exciter linear vibrating screen's that length-width ratio is great (slender type promptly) sieve case stable structure.
Background
The existing linear vibrating screen with side exciters is provided with two groups of exciters on the side plate of a screen box, eccentric blocks of the two groups of exciters synchronously rotate in different directions according to the self-synchronizing principle, and component forces in different vibration directions are superposed or offset by generated centrifugal force, so that single exciting force in the vibration direction is formed, and the screen box is made to perform reciprocating linear vibration.
The specific structure is shown in fig. 2, a single-row supporting beam is only arranged on the outer side of the central line of the vibration direction of the conventional screen side vibration exciter linear vibrating screen, the structure enables the superposed exciting force generated by the vibration exciter to be transmitted to the screen box through the side plate, the outer supporting beam cannot assist the side plate to absorb the impact of the superposed exciting vibration energy, the stability of the screen body frame can be kept only by the rigidity of the side plate, and the stability of the main body frame of the screen box directly influences the vibration parameters such as the amplitude and the vibration direction angle of the whole linear screen. With the requirement of a production process, the requirement of the ratio of length to width of the screen body is gradually increased, and the phenomenon of unstable amplitude often occurs in practice when a slender linear vibrating screen with a large ratio of length to width is found. Under the prerequisite that equal width linear vibration sieve does not increase steel sheet thickness for the curb plate, slender type linear vibration sieve specially needs to adopt to change the screen frame and keep the holistic stability of sieve case.
SUMMERY OF THE UTILITY MODEL
To a great deal of defect that background art sieve group vibration exciter linear vibration sieve exists, the utility model discloses
The utility model provides a stable structure of sieve case of sieve group vibration exciter linear vibration sieve, this structure adopts double symmetry formula supporting beam to guarantee the holistic stability of sieve case.
The technical scheme is as follows:
the utility model provides a stable structure of sieve group vibration exciter rectilinear vibrating screen sieve case, is including installing two sets of vibration exciters in sieve case curb plate position, at rectilinear vibrating screen sieve incasement, is provided with the double supporting beam that is used for stabilizing the vibration exciters in the bilateral symmetry of two sets of vibration exciters center line, and the both ends of every supporting beam are connected with sieve case curb plate through the connecting piece respectively, the supporting beam is arranged in pairs to the relative sieve case direction of vibration axis symmetry.
As a preferred embodiment
And two ends of the supporting beam are respectively connected with the side plates of the screen body through high-strength bolts.
The parallel mounting structures of the double-row supporting beams are the same.
The screen box releases vibration energy through vibration energy release direction central axes of the double rows of support beams, and the distance between each support beam and the vibration energy release direction central axis is equal.
Adopt above-mentioned technical scheme, compare with prior art: the utility model discloses under the condition that does not increase equal width linear vibration sieve steel sheet thickness for the curb plate, increase the stability of sieve case through the scheme at vibration exciter center line both sides symmetrical arrangement supporting beam. The vibrating screen has the advantages that the structure is simple, the performance is reliable, the problem that a screen box of a linear vibrating screen with a large length-width ratio (namely a slender type) in a screen side vibration exciter linear vibrating screen is unstable is thoroughly solved, and stable vibration parameters such as vibration amplitude and vibration direction angle of the vibrating screen are obtained.
Drawings
Fig. 1 is a schematic view of the overall structure layout of the present invention.
Fig. 2 is a structural layout schematic diagram of a linear vibrating screen of a conventional screen wall vibration exciter.
The labels in the figure are: the vibration energy-saving screening device comprises a driving wheel 1, a high-strength bolt 2, a supporting beam 3, a vibration exciter 4, a vibration direction central axis 5, a vibration energy release direction 6, a vibration exciter central line 7, a screening box 8 and a driving wheel 9.
Detailed Description
The invention is further described with reference to the following figures and examples.
The utility model discloses a stable structure of sieve group vibration exciter straight line shale shaker sieve case, this structure is to the improvement of current and technique, and the modified position is: and supporting beams are symmetrically arranged on two sides of the middle line of the two groups of vibration exciters. The design idea is as follows: on the premise that the thickness of the steel plate for the side plate is not increased for the linear vibrating screen with the same width, the stability of the whole screen box is kept by changing the screen frame of the slender linear vibrating screen.
The specific structure is shown in figure 1, and in the integral frame structure of the screen body of the screen side vibration exciter linear vibrating screen, two groups of vibration exciters 4 are arranged on the side plates of a screen box 8. Two sides of a vibration exciter center connecting line 7 of the two groups of vibration exciters 4 are provided with double rows of symmetrical supporting beams 3, the double rows of supporting beams 3 are symmetrically arranged pairwise along a central axis 5 in the vibration direction of the screen box, and the parallel mounting structures are the same. The supporting beams 3 are round steel structures with the diameter of 159 and 273 mm, and two ends of each supporting beam 3 are screwed with the side plates of the sieve box 8 by high-strength bolts 2 respectively. The double-row supporting beams 3 are used in pairs along the central axis in the vibration direction for energy release, are symmetrically arranged on two sides of the central connecting line of the two groups of vibration exciters, and are symmetrically arranged relative to the central axis 5 in the vibration direction. This arrangement enables the screen box to release vibration energy through the central axis 4 of the screen box in the direction of vibration, and each support beam 3 is equidistant from the central axis of energy release, i.e. the central axis 4 of the direction of vibration.
As shown in fig. 1, the driving wheel 9 drives the driving wheel 1 to operate, the vibration energy of the reciprocating motion of the screen body is released along the vibration energy release direction 6 under the driving of the driving wheel, and the double-row supporting beams 3 cooperate with the side plates to absorb the impact of the superimposed vibration energy, so that the impact of the vibration on the side plates is reduced to the minimum, and the stability of the whole screen box is greatly improved.
The utility model discloses install in the main body frame of the great slim type sieve group vibration exciter linear vibration sieve of length-width ratio.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (4)

1. The utility model provides a stable structure of sieve group vibration exciter rectilinear vibrating screen sieve case, is including installing two sets of vibration exciters in sieve case curb plate position, its characterized in that, in rectilinear vibrating screen sieve incasement, the bilateral symmetry of two sets of vibration exciters center line is provided with the double supporting beam who is used for stabilizing the vibration exciters, and every supporting beam's both ends are connected with sieve case curb plate through the connecting piece respectively, supporting beam is arranged in pairs relatively sieve case direction axis of vibration symmetry.
2. The stable structure of the screen box of the linear vibrating screen of the screen wall exciter according to claim 1, wherein two ends of the supporting beam are respectively connected with the side plates of the screen body through high-strength bolts.
3. The stabilizing structure of the screen box of the linear vibrating screen of the screen wall exciter according to claim 1 or 2, wherein the parallel mounting structures of the double rows of the supporting beams are the same.
4. The stable structure of the screen box of the screen wall exciter linear vibrating screen according to claim 1, wherein the screen box releases vibration energy through the central axes of the energy vibration direction of the double rows of support beams, and the distance between each support beam and the central axis of the energy vibration direction is equal.
CN202022234776.3U 2020-10-10 2020-10-10 Stable structure of screen box of linear vibrating screen of screen side vibration exciter Active CN213727701U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022234776.3U CN213727701U (en) 2020-10-10 2020-10-10 Stable structure of screen box of linear vibrating screen of screen side vibration exciter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022234776.3U CN213727701U (en) 2020-10-10 2020-10-10 Stable structure of screen box of linear vibrating screen of screen side vibration exciter

Publications (1)

Publication Number Publication Date
CN213727701U true CN213727701U (en) 2021-07-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022234776.3U Active CN213727701U (en) 2020-10-10 2020-10-10 Stable structure of screen box of linear vibrating screen of screen side vibration exciter

Country Status (1)

Country Link
CN (1) CN213727701U (en)

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