CN211303751U - Grit sieving mechanism is used in bridge construction - Google Patents
Grit sieving mechanism is used in bridge construction Download PDFInfo
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- CN211303751U CN211303751U CN201921888760.5U CN201921888760U CN211303751U CN 211303751 U CN211303751 U CN 211303751U CN 201921888760 U CN201921888760 U CN 201921888760U CN 211303751 U CN211303751 U CN 211303751U
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- main body
- screening
- connecting rod
- incomplete gear
- screening main
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Abstract
The utility model discloses a sand and stone screening device for bridge construction, relating to the technical field of bridge construction; the screening device comprises a screening main body, wherein a cavity is formed in the screening main body, a screen is arranged in the screening main body, two sides of the screen are respectively provided with an A connecting rod and a B connecting rod, the A connecting rod and the B connecting rod respectively penetrate through two sides of the screening main body, an installation block is fixedly installed on the end part, far away from the screen, of the A connecting rod, an A elastic piece is fixedly installed on the installation block, and one end, far away from the installation block, of the A elastic piece; a rack is fixedly arranged on the connecting rod B, a self-transmission incomplete gear which is intermittently meshed with the rack and a gear which is continuously meshed with the incomplete gear are arranged on the rack, and a plurality of meshing teeth are symmetrically arranged on two sides of the incomplete gear; the incomplete gear and the gear are both rotatably arranged on a bracket fixedly arranged on the screening main body; the bottom of the screen is provided with a discharge plate which can swing and incline in a reciprocating way. The utility model discloses the screening is effectual, and is convenient for handle, long service life.
Description
Technical Field
The utility model relates to a bridge construction technical field specifically is a grit sieving mechanism is used in bridge construction.
Background
With the development of economy, bridge engineering is gradually increased, and gravel is required to be made into concrete in the construction process. The different types of concrete have different requirements on the particle size of the sand, so the sand needs to be screened.
And prior art's sieving mechanism screening effect is not ideal, consequently needs provide a screening effectual grit sieving mechanism for bridge construction.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a grit sieving mechanism is used in bridge construction to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a gravel screening device for bridge construction comprises a screening main body, wherein a cavity is formed in the screening main body, a screen is arranged in the screening main body, an A connecting rod and a B connecting rod are respectively arranged on two sides of the screen, the A connecting rod and the B connecting rod respectively penetrate through two sides of the screening main body, an installation block is fixedly installed on the end part, away from the screen, of the A connecting rod, an A elastic piece is fixedly installed on the installation block, and one end, away from the installation block, of the A elastic piece is fixedly installed on the screening main body; a rack is fixedly installed on the connecting rod B, a self-transmission incomplete gear intermittently meshed with the rack and a gear continuously meshed with the incomplete gear are arranged on the rack, a plurality of meshing teeth are symmetrically arranged on two sides of the incomplete gear, and the incomplete gear is intermittently meshed with the gear; the incomplete gear and the gear are rotatably arranged on a bracket fixedly arranged on the screening main body; the bottom of the screen is provided with a discharge plate which can swing and incline in a reciprocating manner, and the right side of the discharge plate is arranged at a discharge port on the screening main body.
As a further aspect of the present invention: the incomplete gear is in transmission connection with the output end of the motor A fixedly installed on the screening main body through a belt.
As a further aspect of the present invention: the right side of the discharge plate is hinged and fixedly arranged on a hinge seat in the screening main body, the bottom of the left side of the hinge seat is provided with a contact block, and the contact block is connected to the inside of the screening main body through a C elastic piece; the bottom of the contact block is provided with an eccentric wheel in rolling contact with the contact block, and the eccentric wheel is in transmission connection with a motor B arranged in the screening main body through a belt.
As a further aspect of the present invention: the screening main part bottom is provided with the shock attenuation landing leg.
As a further aspect of the present invention: the shock attenuation landing leg includes branch, B elastic component and the support of fixed mounting in screening main part bottom, the branch lower extreme slides and sets up inside the support, and both ends are fixed mounting respectively inside branch bottom and support about the B elastic component.
As a further aspect of the present invention: and the bottom of the support is provided with an anti-slip pad.
Compared with the prior art, the beneficial effects of the utility model are that: the incomplete gear rotates, and the meshing teeth on one side are meshed with the rack, so that the rack is driven to drive the connecting rod B and the screen to move to one side; after meshing of the meshing teeth on one side and the rack is finished, the meshing teeth are meshed with the gear, so that the rotation direction of the gear is opposite to that of the incomplete gear, and the rack drives the connecting rod B and the screen to move towards the other side; then, the steps are repeated by the meshing teeth on the other side of the incomplete gear, and the steps are repeated in cycles, so that the screen is driven to reciprocate back and forth, and the screening effect is improved; the eccentric wheel rotates to drive the contact block to drive the discharge plate to reciprocate along the hinge seat, so that materials passing through the screen are conveniently discharged, and the discharge effect is improved; the damping support legs are arranged to reduce the vibration, so that the service life of the equipment is prolonged, and the noise is reduced; the utility model discloses the screening is effectual, and is convenient for handle, long service life.
Drawings
FIG. 1 is a schematic structural diagram of a sand screening device for bridge construction.
FIG. 2 is a schematic structural diagram of a shock absorption supporting leg in the sand screening device for bridge construction.
FIG. 3 is a schematic structural diagram of an incomplete gear in the sand screening device for bridge construction.
In the figure: the screening machine comprises a screening main body-1, a mounting block-2, an elastic member-3, a connecting rod-4, a screen-5, a feeding hole-6, a connecting rod-7B, a rack-8, a gear-9, an incomplete gear-10, a motor-11A, a support-12, a discharging plate-13, a hinged seat-14, an eccentric wheel-15, a motor-16B, a contact block-17, a damping supporting leg-18, a supporting rod-19, an elastic member-20B, a support-21 and an elastic member-22C.
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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1, in embodiment 1 of the present invention, a gravel screening device for bridge construction includes a screening main body 1 having a cavity therein, a screen 5 is disposed inside the screening main body 1, two sides of the screen 5 are respectively provided with an a connecting rod 4 and a B connecting rod 7, the a connecting rod 4 and the B connecting rod 7 respectively penetrate through two sides of the screening main body 1, the end portion of the a connecting rod 4 far away from the screen 5 is fixedly installed with an installation block 2, the installation block 2 is fixedly installed with an a elastic member 3, and one end of the a elastic member 3 far away from the installation block 2 is fixedly installed on the screening main body 1; a rack 8 is fixedly installed on the connecting rod B7, a self-transmission incomplete gear 10 intermittently meshed with the rack 8 and a gear 9 continuously meshed with the incomplete gear are arranged on the rack 8, a plurality of meshing teeth are symmetrically arranged on two sides of the incomplete gear 10, and the incomplete gear 10 is intermittently meshed with the gear 9; the incomplete gear 10 and the gear 9 are both rotatably arranged on a bracket 12 fixedly arranged on the screening main body 1; the bottom of the screen 5 is provided with a discharge plate 13 which can swing and incline in a reciprocating manner, the right side of the discharge plate 13 is arranged at a discharge port on the screening main body 1, and the arrangement is convenient for discharging materials.
Specifically, the incomplete gear 10 rotates, and meshing teeth on one side of the incomplete gear are meshed with the rack 8, so that the rack 8 is driven to drive the connecting rod B7 and the screen 5 to move to one side; after meshing of the meshing teeth on one side with the rack 8 is completed, the meshing teeth are meshed with the gear 9, so that the rotation direction of the gear 9 is opposite to that of the incomplete gear 10, and the rack 8 drives the B connecting rod 7 and the screen 5 to move towards the other side; and then the steps are repeated by the meshing teeth on the other side of the incomplete gear 10, so that the screen 5 is driven to reciprocate back and forth, and the screening effect is improved.
The screening main body 1 is provided with a feeding hole 6.
Example 2
Referring to fig. 1 to 3, the main difference between the present embodiment 2 and the present embodiment 1 is that the incomplete gear 10 is in transmission connection with an output end of an a motor 11 fixedly installed on the screening main body 1 through a belt, and the incomplete gear 10 is configured to provide power for rotation.
The right side of the discharge plate 13 is hinged and fixedly arranged on a hinge seat 14 in the screening main body 1, the bottom of the left side of the hinge seat 14 is provided with a contact block 17, and the contact block 17 is connected in the screening main body 1 through a C elastic part 22; contact block 17 bottom is provided with the eccentric wheel 15 of rolling contact with it, eccentric wheel 15 is connected with the transmission of installing the B motor 16 inside screening main part 1 through the belt, and is specific, and eccentric wheel 15 rotates drive contact block 17 and drives play flitch 13 along articulated seat 14 reciprocating motion, is convenient for discharge the material through screen cloth 5, improves and arranges the material effect.
Screening main part 1 bottom is provided with shock attenuation landing leg 18, sets up shock attenuation landing leg 18 and reduces to set up the vibration, improve equipment life, noise abatement's production.
Shock attenuation landing leg 18 includes branch 19, B elastic component 20 and support 21 of fixed mounting in screening main part 1 bottom, 19 lower extremes of branch slides and sets up inside support 21, and both ends are fixed mounting respectively inside 19 bottoms of branch and support 21 about B elastic component 20. This arrangement facilitates reducing equipment vibration.
The bottom of the support 21 is provided with an anti-slip pad, so that the stability of the equipment is ensured.
The elastic part A3, the elastic part C22 and the elastic part B20 are all made of springs, and the springs are arranged to facilitate implementation, so that cost is saved.
The utility model discloses a theory of operation is:
the incomplete gear 10 rotates, and meshing teeth on one side are meshed with the rack 8, so that the rack 8 is driven to drive the connecting rod B7 and the screen 5 to move to one side; after meshing of the meshing teeth on one side with the rack 8 is completed, the meshing teeth are meshed with the gear 9, so that the rotation direction of the gear 9 is opposite to that of the incomplete gear 10, and the rack 8 drives the B connecting rod 7 and the screen 5 to move towards the other side; then, the steps are repeated by the meshing teeth on the other side of the incomplete gear 10, and the steps are repeated in cycles, so that the screen 5 is driven to reciprocate back and forth, and the screening effect is improved; the eccentric wheel 15 rotates to drive the contact block 17 to drive the discharging plate 13 to reciprocate along the hinge base 14, so that materials passing through the screen 5 are discharged conveniently, and the discharging effect is improved; the shock absorption supporting legs 18 are arranged to reduce the arrangement vibration, prolong the service life of the equipment and reduce the generation of noise; the utility model discloses the screening is effectual, and is convenient for handle, long service life.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "top", "bottom", "inner", "outer", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, in the description of the present invention, "a plurality" means two or more unless otherwise specified. A feature defined as "first," "second," etc. may explicitly or implicitly include one or more of the feature.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. A gravel screening device for bridge construction comprises a screening main body (1) with a cavity arranged inside, wherein a screen (5) is arranged inside the screening main body (1), an A connecting rod (4) and a B connecting rod (7) are respectively arranged on two sides of the screen (5), the A connecting rod (4) and the B connecting rod (7) respectively penetrate through two sides of the screening main body (1), an installation block (2) is fixedly installed at the end part, far away from the screen (5), of the A connecting rod (4), an A elastic piece (3) is fixedly installed on the installation block (2), and one end, far away from the installation block (2), of the A elastic piece (3) is fixedly installed on the screening main body (1); the connecting rod B is characterized in that a rack (8) is fixedly mounted on the connecting rod B (7), a self-rotating incomplete gear (10) intermittently meshed with the rack (8) and a gear (9) continuously meshed with the incomplete gear are arranged on the rack (8), a plurality of meshing teeth are symmetrically arranged on two sides of the incomplete gear (10), and the incomplete gear (10) is intermittently meshed with the gear (9); the incomplete gear (10) and the gear (9) are rotatably arranged on a bracket (12) fixedly arranged on the screening main body (1); the screen cloth (5) bottom is provided with discharge plate (13) of reciprocal swing slope, discharge plate (13) right side sets up the discharge gate department on screening main part (1).
2. The sand screening device for bridge construction according to claim 1, wherein the incomplete gear (10) is in transmission connection with the output end of an A motor (11) fixedly installed on the screening main body (1) through a belt.
3. The sand screening device for bridge construction according to claim 1, wherein the right side of the discharge plate (13) is hinged and fixedly arranged on a hinged seat (14) in the screening main body (1), the bottom of the left side of the hinged seat (14) is provided with a contact block (17), and the contact block (17) is connected in the screening main body (1) through a C elastic piece (22); the bottom of the contact block (17) is provided with an eccentric wheel (15) in rolling contact with the contact block, and the eccentric wheel (15) is in transmission connection with a motor B (16) arranged in the screening main body (1) through a belt.
4. The sand screening device for bridge construction according to any one of claims 1 to 3, wherein the bottom of the screening body (1) is provided with shock-absorbing legs (18).
5. The gravel screening device for bridge construction according to claim 4, wherein the shock absorption legs (18) comprise a support rod (19) fixedly installed at the bottom of the screening main body (1), a B elastic member (20) and a support seat (21), the lower end of the support rod (19) is slidably arranged inside the support seat (21), and the upper end and the lower end of the B elastic member (20) are respectively fixedly installed at the bottom of the support rod (19) and inside the support seat (21).
6. The sand screening device for bridge construction according to claim 5, wherein the bottom of the support (21) is provided with a non-slip mat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921888760.5U CN211303751U (en) | 2019-11-05 | 2019-11-05 | Grit sieving mechanism is used in bridge construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921888760.5U CN211303751U (en) | 2019-11-05 | 2019-11-05 | Grit sieving mechanism is used in bridge construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211303751U true CN211303751U (en) | 2020-08-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921888760.5U Expired - Fee Related CN211303751U (en) | 2019-11-05 | 2019-11-05 | Grit sieving mechanism is used in bridge construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211303751U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112090736A (en) * | 2020-08-26 | 2020-12-18 | 周谢保 | Crops are screening plant in advance with reducing function |
| CN112212655A (en) * | 2020-09-24 | 2021-01-12 | 刘云芝 | Seed drying device convenient to arrange material |
-
2019
- 2019-11-05 CN CN201921888760.5U patent/CN211303751U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112090736A (en) * | 2020-08-26 | 2020-12-18 | 周谢保 | Crops are screening plant in advance with reducing function |
| CN112212655A (en) * | 2020-09-24 | 2021-01-12 | 刘云芝 | Seed drying device convenient to arrange material |
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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: 20200821 Termination date: 20211105 |