CN216631521U - Grit sieving mechanism for civil engineering - Google Patents

Grit sieving mechanism for civil engineering Download PDF

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Publication number
CN216631521U
CN216631521U CN202122954782.0U CN202122954782U CN216631521U CN 216631521 U CN216631521 U CN 216631521U CN 202122954782 U CN202122954782 U CN 202122954782U CN 216631521 U CN216631521 U CN 216631521U
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screening
baffle
fixedly connected
civil engineering
sand
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CN202122954782.0U
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Chinese (zh)
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于学资
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Zhengzhou Institute of Finance and Economics
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Zhengzhou Institute of Finance and Economics
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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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

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Abstract

The utility model provides a sand and stone screening device for civil engineering, and relates to the technical field of civil engineering. Grit sieving mechanism for civil engineering includes: the screening device comprises a base, wherein the upper surface of the base is fixedly connected with a screening box; an upper screening net and a lower screening net which are obliquely arranged are arranged in the screening box, and a cleaning door for cleaning the upper screening net and the lower screening net is arranged on the outer surface of the screening box; the feeding mechanism is rotationally connected with the screening box; the baffle mechanism is rotatably connected in the screening box; the opening of the baffle mechanism is intermittently aligned with the discharge hole of the feeding mechanism through the rotation of the feeding mechanism and the baffle mechanism. The sand and stone screening device for civil engineering provided by the utility model has the advantage of improving the sand and stone screening speed.

Description

Grit sieving mechanism for civil engineering
Technical Field
The utility model relates to the technical field of civil engineering, in particular to a sand and stone screening device for civil engineering.
Background
Different sandstone structures have larger difference, and some sandstone structures have uniform particle thickness and different sizes; some gravels have good grinding roundness of the fragments and some gravels have sharp edges and corners of the fragments.
In order to be suitable for different construction conditions in civil engineering, the sand and stone are required to be screened; at present, sand is generally and directly added into a screening box, and then screening of the sand is realized.
However, in the process of implementing the technical solution in the embodiments of the present application, the inventors of the present application have found that the above-mentioned technology has at least the following technical problems;
the grit falls into the relative concentration of the drop point on the screen cloth, and the grit lasts the feeding for the grit on the screen cloth is piled up excessively easily, thereby influences the screening speed of grit.
Therefore, there is a need for a new sand screening device for civil engineering to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a sand screening device for civil engineering, which can improve the sand screening speed.
The sand and stone screening device for civil engineering provided by the utility model comprises: the screening device comprises a base, wherein the upper surface of the base is fixedly connected with a screening box; an upper screening net and a lower screening net which are obliquely arranged are arranged in the screening box, and a cleaning door for cleaning the upper screening net and the lower screening net is arranged on the outer surface of the screening box; the feeding mechanism is rotationally connected with the screening box; the baffle mechanism is rotatably connected in the screening box; the opening of the baffle mechanism is intermittently aligned with the discharge hole of the feeding mechanism through the rotation of the feeding mechanism and the baffle mechanism.
Preferably, the feeding mechanism comprises a feeding funnel, the upper surface of the screening box is fixedly connected with the feeding funnel, and the inner wall of the upper end of the screening box is fixedly connected with a material distributing cylinder communicated with the feeding funnel; the lower surface of the material separating cylinder is provided with a discharge hole for discharging materials, and the outer surface of the material separating cylinder is fixedly connected with an outer gear ring which coaxially rotates; the upper surface of screening case fixedly connected with motor, the output of motor run through the upper end inner wall of screening case and fixedly connected with gear, gear and outer ring gear intermeshing.
Preferably, the feeding mechanism further comprises an arc-shaped plate, and the outer surface of the material distribution barrel is fixedly connected with a plurality of arc-shaped plates which are uniformly and circumferentially arranged.
Preferably, the baffle mechanism comprises a driving motor and a bracket, the driving motor is fixedly connected in the screening box through the bracket, the output end of the driving motor is fixedly connected with the baffle, the baffle and the material distributing cylinder are concentrically arranged, and the baffle is provided with an opening which is the same as the material outlet at the bottom of the material distributing cylinder; the intermittent alignment of the discharge hole at the bottom of the distributing cylinder and the opening of the baffle plate is realized through the rotation of the distributing cylinder and the baffle plate.
Preferably, the baffle mechanism further comprises a fixing plate, and the fixing plate is fixedly connected to the upper surface of the baffle and used for contacting and colliding with the arc-shaped plate.
Preferably, the baffle mechanism further comprises a protective cover, and the lower surface of the baffle is fixedly connected with the protective cover with an upper opening and a lower opening; the driving motor is positioned in the protective cover.
Preferably, a vibration motor for vibrating the upper and lower sieving nets is installed in the sieving box.
Compared with the prior art, the sand and stone screening device for civil engineering provided by the utility model has the following beneficial effects:
1. when the sand dividing and feeding device is used, the sand dividing cylinder and the baffle plate can rotate at different speeds through the motor and the driving motor, so that the alignment positions of the discharge hole at the bottom of the sand dividing cylinder and the opening of the baffle plate are different, the discharge position can be adjusted, the falling points of sand are more dispersed, and the sand dividing and feeding device is favorable for improving the screening speed of sand;
2. when the sand and gravel screening device is used, the discharge hole at the bottom of the material distributing cylinder is intermittently aligned with the opening of the baffle plate, so that sand and gravel are intermittently discharged, the problem of excessive accumulation of sand and gravel during continuous discharging is avoided, and the sand and gravel screening speed is further improved.
Drawings
FIG. 1 is a schematic structural view of a sand screening apparatus for civil engineering in accordance with a preferred embodiment of the present invention;
FIG. 2 is a schematic sectional view showing the sand screening apparatus for civil engineering shown in FIG. 1;
FIG. 3 is a schematic bottom view of the feeding mechanism of FIG. 1;
fig. 4 is a partial structural schematic view of the shutter mechanism shown in fig. 1.
The reference numbers in the figures: 1. cleaning the door; 2. a feeding mechanism; 21. a gear; 22. an electric motor; 23. a feed hopper; 24. an outer ring gear; 25. an arc-shaped plate; 26. a material separating barrel; 3. a screening box; 4. a base; 5. a baffle mechanism; 51. a fixing plate; 52. a protective cover; 53. a drive motor; 54. a support; 55. a baffle plate; 6. a lower screening net; 7. and an upper screening net.
Detailed Description
The utility model is further described with reference to the following figures and embodiments.
Referring to fig. 1 to 4, a sand screening apparatus for civil engineering includes: the screening device comprises a base 4, wherein the upper surface of the base 4 is fixedly connected with a screening box 3 with an opening at the lower end; an upper screening net 7 and a lower screening net 6 which are obliquely arranged are arranged in the screening box 3, and a cleaning door 1 for cleaning the upper screening net 7 and the lower screening net 6 is arranged on the outer surface of the screening box 3; the feeding mechanism 2 is rotationally connected with the screening box 3; the baffle mechanism 5 is rotationally connected in the screening box 3; the opening of the baffle mechanism 5 is intermittently aligned with the discharge hole of the feeding mechanism 2 through the rotation of the feeding mechanism 2 and the baffle mechanism 5.
Need to explain: when the device is used, gravels to be screened can be added into the screening box 3 through the feeding mechanism 2, the gravels are screened through the upper screening net 7 and the lower screening net 6 after passing through the feeding mechanism 2 and the baffle mechanism 5, and the gravels on the upper screening net 7 and the lower screening net 6 can be cleaned through the cleaning door 1;
it is also stated that: the rotating speeds of the feeding mechanism 2 and the baffle mechanism 5 are different, so that the opening of the baffle mechanism 5 is intermittently aligned with the discharge hole of the feeding mechanism 2, and when the opening is aligned with the discharge hole, sand falls, so that the falling points of the sand are more dispersed, the probability of sand accumulation is avoided, and the screening speed of the sand is further improved; simultaneously, can realize the intermittent type ejection of compact, when avoiding lasting the ejection of compact, the excessive gathering of grit further improves the screening speed of grit.
Referring to fig. 1 and 3, the feeding mechanism 2 includes a feeding funnel 23, the feeding funnel 23 is fixedly connected to the upper surface of the screening box 3, and a material separating cylinder 26 communicated with the feeding funnel 23 is fixedly connected to the inner wall of the upper end of the screening box 3; a discharge hole for discharging is formed in the lower surface of the material separating cylinder 26, and an outer gear ring 24 which rotates coaxially is fixedly connected to the outer surface of the material separating cylinder 26; the upper surface of screening case 3 is fixedly connected with motor 22, and the output of motor 22 runs through the upper end inner wall of screening case 3 and fixedly connected with gear 21, gear 21 and outer ring gear 24 intermeshing.
Need to explain: the external sand enters the material separating cylinder 26 through the feeding hopper 23, and the gear 21 drives the external gear ring 24 to rotate through the work of the motor 22, so as to drive the material separating cylinder 26 and the sand in the material separating cylinder 26 to rotate.
Referring to fig. 3, the feeding mechanism 2 further includes an arc plate 25, and a plurality of arc plates 25 arranged in a uniform circumferential manner are fixedly connected to an outer surface of the material separating barrel 26.
Need to explain: the arc plates 25 extend outward, and the arc plates 25 have elasticity.
Referring to fig. 1 and 4, the baffle mechanism 5 includes a driving motor 53 and a bracket 54, the inside of the screening box 3 is fixedly connected with the driving motor 53 through the bracket 54, the output end of the driving motor 53 is fixedly connected with a baffle 55, the baffle 55 and the material distributing cylinder 26 are concentrically arranged, and an opening identical to the material outlet at the bottom of the material distributing cylinder 26 is formed in the baffle 55; the intermittent alignment of the bottom discharge port of the material separating barrel 26 and the opening of the baffle 55 is realized by the rotation of the material separating barrel 26 and the baffle 55.
The following description is required: the baffle 55 can be driven to rotate by the work of the driving motor 53, the rotating speed of the baffle 55 is different from that of the material distribution barrel 26, so that the material outlet at the bottom of the material distribution barrel 26 is aligned with the opening of the baffle 55 intermittently, and the aligned positions are different; when the discharge hole at the bottom of the material separating cylinder 26 is aligned with the opening of the baffle 55, the sandstone in the material separating cylinder 26 falls onto the upper screening net 7, and the sandstone is screened through the upper screening net 7 and the lower screening net 6;
it is also stated that: because the discharge hole at the bottom of the material separating barrel 26 and the opening of the baffle 55 are in different correct alignment positions, the discharge position can be adjusted, so that the falling points of the sand and the stone are more dispersed, and the screening speed of the sand and the stone is favorably improved;
it is also stated that: because divide feed cylinder 26 bottom discharge gate and baffle 55 opening intermittent type to aim at for the grit intermittent type ejection of compact avoids when lasting the ejection of compact, and the screening speed of grit is further improved to the problem of grit excessive gathering.
Referring to fig. 4, the shutter mechanism 5 further includes a fixing plate 51, and the fixing plate 51 for contacting and colliding with the arc plate 25 is fixedly attached to an upper surface of the shutter 55.
Need to explain: when baffle 55 and feed cylinder 26 rotated with different speeds, the arc 25 can contact and collide with fixed plate 51, through the collision between arc 25 and fixed plate 51, can make the grit vibration in the feed cylinder 26 of dividing, is favorable to dropping of grit, improves the reliability that the device used.
Referring to fig. 4, the baffle mechanism 5 further includes a protective cover 52, and the lower surface of the baffle 55 is fixedly connected with the protective cover 52 with an upper opening and a lower opening; the drive motor 53 is located within the shield 52.
Need to explain: can protect driving motor 53 through protection casing 52, reduce the probability that driving motor 53 and grit collided with, and then reduce the probability that driving motor 53 damaged, improve the life of device.
Referring to fig. 2, a vibration motor for vibrating the upper and lower screens 7 and 6 is installed in the screen box 3.
Need to explain: the upper and lower screens 7 and 6 are vibrated by the vibration motor, thereby facilitating the passage of the gravel through the upper and lower screens 7 and 6.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (7)

1. The utility model provides a grit sieving mechanism for civil engineering which characterized in that includes:
the screening device comprises a base (4), wherein the upper surface of the base (4) is fixedly connected with a screening box (3); an upper screening net (7) and a lower screening net (6) which are obliquely arranged are arranged in the screening box (3), and a cleaning door (1) for cleaning the upper screening net (7) and the lower screening net (6) is arranged on the outer surface of the screening box (3);
the feeding mechanism (2), the feeding mechanism (2) is rotationally connected with the screening box (3);
the baffle mechanism (5), the said baffle mechanism (5) is connected to the screening box (3) rotatably; the opening of the baffle mechanism (5) is intermittently aligned with the discharge hole of the feeding mechanism (2) through the rotation of the feeding mechanism (2) and the baffle mechanism (5).
2. The sand screening device for civil engineering as claimed in claim 1, characterized in that the feed mechanism (2) comprises a feed hopper (23), the feed hopper (23) is fixedly connected to the upper surface of the screening box (3), and a material distribution barrel (26) communicated with the feed hopper (23) is fixedly connected to the inner wall of the upper end of the screening box (3); the lower surface of the material distribution barrel (26) is provided with a discharge hole for discharging materials, and the outer surface of the material distribution barrel (26) is fixedly connected with an outer gear ring (24) which coaxially rotates; the upper surface fixed connection of screening case (3) has motor (22), and the output of motor (22) runs through the upper end inner wall and the fixedly connected with gear (21) of screening case (3), gear (21) and outer ring gear (24) intermeshing.
3. Gravel screening device for civil engineering according to claim 2, characterised in that the feed mechanism (2) further comprises an arc plate (25), and the outer surface of the material separating barrel (26) is fixedly connected with a plurality of arc plates (25) in uniform circumferential arrangement.
4. The sand and stone screening device for civil engineering as claimed in claim 3, characterized in that the baffle mechanism (5) comprises a driving motor (53) and a bracket (54), the driving motor (53) is fixedly connected in the screening box (3) through the bracket (54), the output end of the driving motor (53) is fixedly connected with a baffle (55), the baffle (55) is concentrically arranged with the material separating barrel (26), and the baffle (55) is provided with an opening which is the same as the material outlet at the bottom of the material separating barrel (26); the intermittent alignment of the discharge port at the bottom of the material separating barrel (26) and the opening of the baffle plate (55) is realized through the rotation of the material separating barrel (26) and the baffle plate (55).
5. Sand screening device for civil engineering according to claim 4, characterized in that the baffle mechanism (5) further comprises a fixing plate (51), and the fixing plate (51) for contacting and colliding with the arc-shaped plate (25) is fixedly connected to the upper surface of the baffle (55).
6. The sand screening device for civil engineering according to claim 4 or 5, characterized in that the baffle mechanism (5) further comprises a protective cover (52), and the lower surface of the baffle (55) is fixedly connected with the protective cover (52) with an upper opening and a lower opening; the driving motor (53) is positioned in the protective cover (52).
7. Sand screening apparatus for civil engineering as claimed in any one of claims 1 to 5, characterized in that a vibration motor for vibrating the upper screening net (7) and the lower screening net (6) is installed in the screening box (3).
CN202122954782.0U 2021-11-29 2021-11-29 Grit sieving mechanism for civil engineering Active CN216631521U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122954782.0U CN216631521U (en) 2021-11-29 2021-11-29 Grit sieving mechanism for civil engineering

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122954782.0U CN216631521U (en) 2021-11-29 2021-11-29 Grit sieving mechanism for civil engineering

Publications (1)

Publication Number Publication Date
CN216631521U true CN216631521U (en) 2022-05-31

Family

ID=81738594

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122954782.0U Active CN216631521U (en) 2021-11-29 2021-11-29 Grit sieving mechanism for civil engineering

Country Status (1)

Country Link
CN (1) CN216631521U (en)

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Date Code Title Description
GR01 Patent grant
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract
EE01 Entry into force of recordation of patent licensing contract

Assignee: Henan Lijing Graphic Construction Engineering Design Co.,Ltd.

Assignor: ZHENGZHOU INSTITUTE OF FINANCE AND ECONOMICS

Contract record no.: X2023980033805

Denomination of utility model: A screening device for sand and gravel used in civil engineering

Granted publication date: 20220531

License type: Exclusive License

Record date: 20230320