CN111749150B - Sand and dust prevention device for highway construction - Google Patents
Sand and dust prevention device for highway construction Download PDFInfo
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- CN111749150B CN111749150B CN202010649116.3A CN202010649116A CN111749150B CN 111749150 B CN111749150 B CN 111749150B CN 202010649116 A CN202010649116 A CN 202010649116A CN 111749150 B CN111749150 B CN 111749150B
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- bevel gear
- filter screen
- shaft
- hollow cylinder
- sand
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F7/00—Devices affording protection against snow, sand drifts, side-wind effects, snowslides, avalanches or falling rocks; Anti-dazzle arrangements ; Sight-screens for roads, e.g. to mask accident site
- E01F7/02—Snow fences or similar devices, e.g. devices affording protection against sand drifts or side-wind effects
- E01F7/025—Devices specially adapted for protecting against wind, e.g. screens, deflectors or attenuators at tunnel or lock entrances
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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Combined Means For Separation Of Solids (AREA)
- Sewage (AREA)
Abstract
A sand and dust prevention device for road construction, comprising: a base plate to which a housing is connected; one side of the bottom plate, which is far away from the shell, is connected with a supporting rod; the end part of the shell is connected with the hollow cylinder; one side of the hollow cylinder body is connected with two slide rails, and one slide rail is connected with the supporting rod; the manual net collecting mechanism is arranged on the hollow cylinder body; the manual net retracting mechanism is connected with a filter net; the unfolding mechanism is arranged between the sliding rails. According to the invention, the filter screen can be pulled out by moving the mounting rack rightwards, and the wedge-shaped block is clamped in the clamping groove to fix the filter screen, so that the filter screen can prevent sand and dust, and the filter screen can be fixed by arranging the hollow cylinder, the sliding rail and the fixing shaft bracket, so that the filter screen is prevented from being blown down by wind; well axostylus axostyle anticlockwise rotation can return the filter screen rolling original state to can be convenient for filter screen used repeatedly.
Description
Technical Field
The invention relates to a sand-proof device, in particular to a sand-proof device for road construction.
Background
Can produce more sand and dust when the highway is under construction, sand and dust can lead to the fact the influence to the pedestrian, in order to reduce the influence, the highway need carry out sand and dust prevention when the construction, sand and dust prevention generally encloses the curb with the gauze at present, nevertheless because the gauze is lighter and thinner, so the gauze is easily blown down by the wind, lead to the sand and dust prevention effect not good, and the gauze is not convenient for receive the roll-back original state, be not convenient for use next time, so the gauze is easily abandoned, thereby easily lead to extravagant.
Therefore, it is necessary to develop a sand and dust preventing device for road construction, which is not easily blown down by wind and can be conveniently reused.
Disclosure of Invention
The purpose of the invention is: in order to overcome the defects that the gauze is easy to blow down by wind to cause poor sand-proof effect and the gauze is inconvenient to reuse, the sand-proof device for the road construction, which is not easy to blow down by wind and can be convenient to reuse, is provided.
The technical scheme of the invention is as follows: a sand and dust prevention device for road construction, comprising: a base plate to which a housing is connected; one side of the bottom plate, which is far away from the shell, is connected with a supporting rod; the end part of the shell is connected with the hollow cylinder; one side of the hollow cylinder body is connected with two slide rails, and one slide rail is connected with the supporting rod; the manual net collecting mechanism is arranged on the hollow cylinder body; the manual net retracting mechanism is connected with a filter net; the unfolding mechanism is arranged between the sliding rails.
Preferably, the manual net retracting mechanism comprises: the shell is rotatably connected with the middle shaft rod, the end part of the middle shaft rod penetrates through the hollow cylinder, and one end of the filter screen is connected with the middle shaft rod; the end part of the middle shaft rod is connected with a first bevel gear; the hollow cylinder body is rotatably connected with a first bevel gear, and one side of the hollow cylinder body close to the first bevel gear is rotatably connected with a second bevel gear which is meshed with the first bevel gear; the rotating shaft is rotatably connected to one side of the hollow cylinder body, which is far away from the second bevel gear; a transmission belt set is connected between the rotating shaft and the second bevel gear; the rotating shaft of the hand-operated wheel is connected with the hand-operated wheel.
Preferably, the deployment mechanism comprises: the mounting rack is connected between the slide rails in a sliding manner and is connected with the other end of the filter screen; the mounting frame is rotatably connected with a rotating handle; the rotating handle is rotatably connected with two first connecting rods; the first connecting shaft is rotatably connected to the first connecting rod; the two sides of the mounting rack far away from the rotating handle are both connected with the baffle; the baffle is connected with the first connecting shaft in a sliding way; the long connecting rod is connected with the wedge block, and the slide rail is provided with a clamping groove matched with the wedge block; and the reset spring is connected between the wedge-shaped block and the baffle.
Preferably, the cleaning device further comprises a cleaning mechanism, wherein the cleaning mechanism comprises: the first bevel gear is connected with a first bevel gear; the other slide rail is connected with a fixed shaft bracket; the fixed shaft frame is rotatably connected with a double-end bevel gear which is meshed with a third bevel gear; the two sides of the fixed shaft bracket, which are close to the double-end bevel gears, are rotatably connected with the fourth bevel gears, and the four bevel gears are meshed with the double-end bevel gears; the fourth bevel gear is connected with a cam; the eccentric position of the cam is fixedly connected with a second connecting shaft; the second connecting shaft is rotatably connected with a second connecting rod; the second connecting rod is rotatably connected with the brush plate; the other two sides of the hollow cylinder body are connected with the fixed rods; the fixed rod is connected with the guide rail frame, and the brush plate is connected on the guide rail frame in a sliding manner.
Preferably, the device further comprises an auxiliary net collecting mechanism, wherein the auxiliary net collecting mechanism comprises: the volute spiral spring is connected between the shell and the middle shaft rod; the middle shaft lever is connected with a ratchet gear; one side of the shell, which is close to the ratchet wheel, is connected with a positioning shaft; the clamping block is rotatably connected on the positioning shaft and matched with the ratchet wheel; and a torque spring is connected between the clamping block and the positioning shaft.
Preferably, the method further comprises the following steps: one side of the hand lever, which is close to the rotating handle, on the mounting rack is connected with the hand lever.
Advantageous effects
1. According to the invention, the filter screen can be pulled out by moving the mounting rack rightwards, and the wedge-shaped block is clamped in the clamping groove to fix the filter screen, so that the filter screen can prevent sand and dust, and the filter screen can be fixed by arranging the hollow cylinder, the sliding rail and the fixing shaft bracket, so that the filter screen is prevented from being blown down by wind;
2. the middle shaft lever rotates anticlockwise to roll the filter screen back to the original state, so that the filter screen can be conveniently reused;
3. the brush board reciprocates and can scrub the filter screen, falls the dust and sand brush on the filter screen.
Drawings
FIG. 1 is a schematic perspective view of a first embodiment of the present invention;
FIG. 2 is a schematic perspective view of a second embodiment of the present invention;
FIG. 3 is a third perspective view of the present invention;
FIG. 4 is an enlarged view of portion A of the present invention;
FIG. 5 is an enlarged view of portion B of the present invention;
FIG. 6 is an enlarged view of portion C of the present invention;
fig. 7 is an enlarged view of the portion D of the present invention.
The labels in the figures are: 1-bottom plate, 2-support rod, 21-shell, 3-slide rail, 4-hollow cylinder, 5-filter screen, 6-manual net collecting mechanism, 61-middle shaft rod, 62-first bevel gear, 63-second bevel gear, 64-transmission belt set, 65-rotating shaft, 66-hand wheel, 7-unfolding mechanism, 71-wedge block, 72-reset spring, 73-baffle, 74-long connecting rod, 75-first connecting shaft, 76-first connecting rod, 77-rotating handle, 78-mounting rack, 8-cleaning mechanism, 81-third bevel gear, 82-double bevel gear, 83-fixed shaft rack, 84-fourth bevel gear, 85-cam, 86-second connecting shaft, 87-second connecting rod, 88-brush plate, 89-guide rail bracket, 810-fixed rod, 9-auxiliary net retracting mechanism, 92-volute spring, 93-ratchet gear, 94-fixture block, 95-torque spring, 96-positioning shaft and 10-hand lever.
Detailed Description
The invention is further described below with reference to the figures and examples.
Example 1
As shown in fig. 1-7, a sand and dust prevention device for highway construction, which comprises a base plate 1, support rods 2, a shell 21, slide rails 3, a hollow cylinder 4, a filter screen 5, a manual net collecting mechanism 6 and an unfolding mechanism 7, wherein the left side of the top of the base plate 1 is connected with the shell 21, the top of the base plate 1 on the right side of the shell 21 is connected with the two support rods 2, the two support rods 2 are bilaterally symmetrical, the top of the shell 21 is connected with the hollow cylinder 4, the upper side and the lower side of the right side of the hollow cylinder 4 are both connected with the slide rails 3, the bottom of the lower side slide rail 3 is connected with the top ends of the support rods 2, the manual net collecting mechanism 6 is installed on the hollow cylinder 4, the filter screen 5 is connected on the manual net collecting mechanism 6, and the unfolding mechanism 7 is installed between the two slide rails 3.
Manual net retracting mechanism 6 is including axis pole 61, first bevel gear 62, second bevel gear 63, transmission belt group 64, pivot 65 and hand-operated wheel 66, bottom rotary type in the shell 21 is connected with well axostylus axostyle 61, hollow barrel 4 is passed on the top of well axostylus axostyle 61, filter screen 5 one end is connected on well axostylus axostyle 61 in hollow barrel 4, axis pole 61 top is connected with first bevel gear 62, hollow barrel 4 left side upper portion rotary type is connected with second bevel gear 63, second bevel gear 63 and first bevel gear 62 mesh, hollow barrel 4 left side middle part rotary type is connected with pivot 65, be connected with transmission belt group 64 between pivot 65 and the second bevel gear 63, pivot 65 left end is connected with hand-operated wheel 66.
Initially, filter screen 5 rolling is on well axostylus axostyle 61, and when needing sand prevention dirt, artifical pulling mounting bracket 78 right, so can pull out filter screen 5 through mounting bracket 78, well axostylus axostyle 61 clockwise rotates thereupon. When the mounting rack 78 moves rightwards to drive the parts thereon to move rightwards, initially, the return spring 72 is in a compressed state, and when the wedge-shaped block 71 moves rightwards to be positioned on the same vertical line with the clamping groove on the slide rail 3; can make wedge 71 block go into in the draw-in groove under reset spring 72's effect, so can be fixed mounting bracket 78, prevent that mounting bracket 78 from removing by oneself to can be fixed with filter screen 5. So filter screen 5 can dust and sand prevention, and because hollow cylinder 4, slide rail 3 and mounting bracket 78's setting can be fixed filter screen 5, prevent that filter screen 5 from being blown down by wind. The knob 77 can be manually rotated 90 degrees, so that the wedge 71 can be moved out of the slot by the first connecting rod 76, the first connecting shaft 75 and the long connecting rod 74, and the return spring 72 is compressed; clockwise rotation hand-cranking wheel 66 makes pivot 65 clockwise rotation again, and pivot 65 clockwise rotation makes second bevel gear 63 clockwise rotation through transmission belt assembly 64, and second bevel gear 63 clockwise rotation makes first bevel gear 62 anticlockwise rotation, and first bevel gear 62 anticlockwise rotation drives middle axostylus axostyle 61 anticlockwise rotation, and middle axostylus axostyle 61 anticlockwise rotation withdraws filter screen 5, so can conveniently roll filter screen 5 back the original state, can be convenient for filter screen 5 used repeatedly.
Example 2
Based on embodiment 1, as shown in fig. 1, 3 and 4, the cleaning device 8 further includes a cleaning mechanism 8, the cleaning mechanism 8 includes a third bevel gear 81, a double-ended bevel gear 82, a fixed shaft bracket 83, a fourth bevel gear 84, a cam 85, a second connecting shaft 86, a second connecting rod 87, a brush plate 88, a guide rail bracket 89 and a fixing rod 810, the top of the first bevel gear 62 is connected with the third bevel gear 81, the left side of the top of the upper slide rail 3 is connected with the fixed shaft bracket 83, the outer wall of the left side of the fixed shaft bracket 83 is rotatably connected with the double-ended bevel gear 82, the double-ended bevel gear 82 is meshed with the third bevel gear 81, the front side and the rear side of the outer wall of the fixed shaft bracket 83 are rotatably connected with the fourth bevel gear 84, the four bevel gear is meshed with the double-ended bevel gear 82, the cam 85 is connected with the connecting shaft 84, the eccentric position of the cam 85 is fixedly connected with the second connecting shaft 86, the second connecting rod 87 is rotatably connected with the second connecting shaft 86, the bottom end of the second connecting rod 87 is rotatably connected with a brush plate 88, the front side and the rear side of the hollow cylinder 4 are both connected with two fixing rods 810, a guide rail frame 89 is connected between the two fixing rods 810, and the brush plate 88 is slidably connected in the guide rail frame 89.
Example 3
On the basis of embodiment 2, as shown in fig. 1 and 7, the device further includes an auxiliary net retracting mechanism 9, the auxiliary net retracting mechanism 9 includes a spiral spring 92, a ratchet gear 93, a latch 94, a torque spring 95 and a positioning shaft 96, the spiral spring 92 is connected between the inner wall of the outer shell 21 and the central shaft rod 61, the ratchet gear 93 is connected to the lower portion of the central shaft rod 61, the positioning shaft 96 is connected to the outer shell 21 on the left side of the ratchet gear 93, the latch 94 is rotatably connected to the positioning shaft 96, the latch 94 is engaged with the ratchet gear 93, and the torque spring 95 is connected between the latch 94 and the positioning shaft 96.
The middle shaft rod 61 rotates clockwise, the volute spiral spring 92 compresses, the latch 94 can be enabled to latch the ratchet gear 93 through the torque spring 95, and therefore the ratchet gear 93 can be prevented from rotating anticlockwise, and the middle shaft rod 61 can be prevented from rotating anticlockwise to retract the filter screen 5. When the filter screen 5 is to be retracted, the latch 94 is not in contact with the ratchet gear 93, and the torque spring 95 is compressed accordingly; can make well axostylus axostyle 61 anticlockwise rotation reset under scroll spring 92's effect, well axostylus axostyle 61 anticlockwise rotation resets and can withdraw filter screen 5, so need not artifical manual rotation hand rocking wheel 66 and makes well axostylus axostyle 61 withdraw filter screen 5 to can labour saving and time saving. After the filter screen 5 is retracted, the latch 94 is released, and the latch 94 can be reset under the action of the torque spring 95 to re-lock the ratchet gear 93.
As shown in fig. 1 and 3, the utility model further comprises a hand lever 10, and the hand lever 10 is connected to the right side surface of the mounting rack 78 on the upper side of the rotating handle 77.
The mounting frame 78 can be conveniently and quickly moved rightwards by the hand lever 10, so that the filter screen 5 can be conveniently and quickly pulled out.
The above examples are merely representative of preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, various changes, modifications and substitutions can be made without departing from the spirit of the present invention, and these are all within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (5)
1. A sand and dust prevention device for road construction, comprising:
a base plate (1) to which a housing (21) is connected;
the supporting rod (2) is connected to one side, far away from the shell (21), of the bottom plate (1);
the end part of the shell (21) is connected with the hollow cylinder (4);
one side of the hollow cylinder body (4) is connected with two sliding rails (3), wherein one sliding rail (3) is connected with the supporting rod (2);
the manual net collecting mechanism (6) is arranged on the hollow cylinder (4);
the filter screen (5) is connected to the manual screen collecting mechanism (6);
the unfolding mechanism (7) is arranged between the sliding rails (3);
the manual net collecting mechanism (6) comprises:
the middle shaft rod (61) is rotatably connected to the shell (21), the end part of the middle shaft rod (61) penetrates through the hollow cylinder (4), and one end of the filter screen (5) is connected to the middle shaft rod (61);
the end part of the middle shaft lever (61) is connected with the first bevel gear (62);
the hollow cylinder (4) is rotatably connected with a second bevel gear (63) at one side close to the first bevel gear (62), and the second bevel gear (63) is meshed with the first bevel gear (62);
the rotating shaft (65) is rotatably connected to one side, far away from the second bevel gear (63), of the hollow cylinder (4);
a transmission belt set (64) is connected between the rotating shaft (65) and the second bevel gear (63);
the hand-operated wheel (66) is connected with the rotating shaft (65).
2. A sand and dust prevention device for road construction according to claim 1, wherein the deployment mechanism (7) comprises:
the mounting rack (78) is connected between the slide rails (3) in a sliding manner, and the mounting rack (78) is connected with the other end of the filter screen (5);
the rotating handle (77) is rotatably connected to the mounting frame (78);
the rotating handle (77) is rotatably connected with two first connecting rods (76);
the first connecting shaft (75) is rotatably connected to the first connecting rod (76);
the two sides of the mounting rack (78) far away from the rotating handle (77) are connected with the baffle plates (73);
the baffle plate (73) is connected with the long connecting rod (74) in a sliding mode, and the long connecting rod (74) is connected with the first connecting shaft (75);
the long connecting rod (74) is connected with the wedge block (71), and the slide rail (3) is provided with a clamping groove matched with the wedge block (71);
and a return spring (72) is connected between the wedge block (71) and the baffle plate (73).
3. A sand and dust preventing device for road construction according to claim 2, further comprising a cleaning mechanism (8), the cleaning mechanism (8) comprising:
the third bevel gear (81), the first bevel gear (62) is connected with the third bevel gear (81);
the fixed shaft bracket (83) is connected with the other slide rail (3);
the double-ended bevel gear (82) is rotationally connected to the fixed shaft bracket (83), and the double-ended bevel gear (82) is meshed with the third bevel gear (81);
the fourth bevel gear (84) is rotatably connected to two sides, close to the double-end bevel gear (82), of the fixed shaft bracket (83), and the four bevel gears are meshed with the double-end bevel gear (82);
the cam (85) is connected to the fourth bevel gear (84);
the second connecting shaft (86) is fixedly connected to the eccentric position of the cam (85);
the second connecting rod (87) is rotationally connected to the second connecting shaft (86);
the second connecting rod (87) is rotatably connected with the brush plate (88);
the other two sides of the hollow cylinder (4) are both connected with the fixing rods (810);
the brush device comprises a guide rail frame (89), a fixed rod (810) is connected with the guide rail frame (89), and a brush plate (88) is connected to the guide rail frame (89) in a sliding mode.
4. A sand and dust preventing device for road construction according to claim 3 further comprising an auxiliary net retracting mechanism (9), wherein the auxiliary net retracting mechanism (9) comprises:
a scroll spring (92), wherein the scroll spring (92) is connected between the shell (21) and the middle shaft lever (61);
the middle shaft rod (61) is connected with a ratchet gear (93);
a positioning shaft (96), wherein one side of the shell (21) close to the ratchet gear (93) is connected with the positioning shaft (96);
the fixture block (94), the positioning shaft (96) is rotatably connected with the fixture block (94), and the fixture block (94) is matched with the ratchet wheel (93);
and a torque spring (95) is connected between the clamping block (94) and the positioning shaft (96).
5. A sand and dust preventing device for road construction according to claim 4, further comprising:
the hand lever (10) is connected to one side, close to the rotating handle (77), of the hand lever (10) and the mounting frame (78).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010649116.3A CN111749150B (en) | 2020-07-08 | 2020-07-08 | Sand and dust prevention device for highway construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010649116.3A CN111749150B (en) | 2020-07-08 | 2020-07-08 | Sand and dust prevention device for highway construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111749150A CN111749150A (en) | 2020-10-09 |
| CN111749150B true CN111749150B (en) | 2021-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010649116.3A Active CN111749150B (en) | 2020-07-08 | 2020-07-08 | Sand and dust prevention device for highway construction |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112854034B (en) * | 2021-01-15 | 2022-11-29 | 中交机电工程局有限公司 | High-speed railway bridge combination crosswind shelters from ware |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2576949Y (en) * | 2002-10-25 | 2003-10-01 | 唐和平 | Semi-autoamtic concealed screen |
| CN107165068B (en) * | 2017-07-11 | 2019-04-02 | 中国科学院寒区旱区环境与工程研究所 | The husky fence of self-styled resistance and the husky facility of resistance with the wind |
| CN108643066B (en) * | 2018-05-16 | 2020-04-28 | 胡岩克 | Windproof dust suppression net for traffic engineering construction |
| CN111236098A (en) * | 2020-03-11 | 2020-06-05 | 厦门理工学院 | Bridge windbreak device with adjustable height and porosity |
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