CN112252243A - Guardrail cleaning equipment for expressway - Google Patents
Guardrail cleaning equipment for expressway Download PDFInfo
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- CN112252243A CN112252243A CN202010999831.XA CN202010999831A CN112252243A CN 112252243 A CN112252243 A CN 112252243A CN 202010999831 A CN202010999831 A CN 202010999831A CN 112252243 A CN112252243 A CN 112252243A
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- gear
- crank
- bottom plate
- connecting rod
- guardrail
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
- E01H1/005—Mobile installations, particularly for upkeeping in situ road or railway furniture, for instance road barricades, traffic signs; Mobile installations particularly for upkeeping tunnel walls
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention relates to cleaning equipment, in particular to guardrail cleaning equipment for an expressway. The technical problems of the invention are as follows: provided is a guardrail cleaning device for an expressway, which can clean a guardrail more cleanly. A guardrail cleaning equipment for highway comprises: a base plate for mounting the entire device; the first rotating shaft is rotatably arranged on one side of the lower part of the bottom plate; the servo motor is arranged on one side, close to the first rotating shaft, of the upper part of the bottom plate; and the driving mechanism is arranged on one side of the upper part of the bottom plate close to the servo motor. The guardrail cleaning device achieves the effect of cleaning guardrails more cleanly; the guardrail cleaning device is characterized in that the sponge body is in contact with the guardrail, so that the guardrail can be cleaned by the sponge body in the moving process, and the guardrail can be cleaned completely.
Description
Technical Field
The invention relates to cleaning equipment, in particular to guardrail cleaning equipment for an expressway.
Background
The highway guardrail is a main form of a semi-rigid guardrail and is a continuous structure formed by splicing corrugated steel guardrail plates and supporting the corrugated steel guardrail plates by main columns. The vehicle can absorb energy when colliding, is not easy to be collided, and can well protect the vehicle and the driver and passengers.
Because the vehicle comes and goes, the easy deposition of guardrail on the highway to the staff need wash the ash removal to the guardrail, and the staff generally sprays water to the guardrail of both sides through wasing the car and washs, because the highway speed of a motor vehicle is very fast, thereby washs the car and carries out the speed of watering to the guardrail very fast, can only spill water at the guardrail, and can not play fine washing and the effect of ash removal.
Therefore, it is required to design a guardrail cleaning apparatus for an expressway which can clean guardrails more cleanly.
Disclosure of Invention
In order to overcome the defects that the speed of sprinkling water to the guardrail by a cleaning vehicle is high, water can only be sprinkled on the guardrail, and the cleaning and ash removing effects cannot be well achieved, the invention has the technical problems that: provided is a guardrail cleaning device for an expressway, which can clean a guardrail more cleanly.
The technical implementation scheme of the invention is as follows: a guardrail cleaning equipment for highway comprises: a base plate for mounting the entire device; the first rotating shaft is rotatably arranged on one side of the lower part of the bottom plate; the servo motor is arranged on one side, close to the first rotating shaft, of the upper part of the bottom plate; the driving mechanism is arranged on one side, close to the servo motor, of the upper part of the bottom plate; the cleaning mechanism is arranged on the upper part of the bottom plate; the extruding mechanism is arranged on the upper part of the bottom plate, and the cleaning mechanism is connected with the extruding mechanism; the steering mechanism is arranged on the upper part of the bottom plate; the wheels are respectively arranged on two sides of the first rotating shaft and on the steering mechanism, and the number of the wheels is four.
Further, the driving mechanism includes: the first bearing seat is arranged on one side, close to the servo motor, of the bottom plate; the second rotating shaft is rotatably arranged in the first bearing seat; the gear lack is arranged on an output shaft of the servo motor; the first gear is arranged on the second rotating shaft, and the gear lack is meshed with the first gear; a bevel gear set disposed between the second rotating shaft and the first rotating shaft; and the second gear is rotatably arranged on the cleaning mechanism and is meshed with the gear lacking wheel.
Further, the cleaning mechanism includes: the second bearing seat is arranged on one side, close to the servo motor, of the bottom plate; the third bearing seat is arranged on the servo motor, the third bearing seat and the second gear wheel are in rotating connection with a supporting rod, and the supporting rod is symmetrically arranged on one side, close to the second bearing seat, of the bottom plate; the sliding rail is arranged between the supporting rods on the two sides; the sliding plate is arranged on the sliding rail in a sliding manner; the first rotating handle is rotatably arranged on the second bearing seat; a transmission assembly disposed between the first stem and the second gear; the second rotating handle is rotatably arranged on the first rotating handle; the third gear is slidably arranged between the slide rail and the slide plate; a mounting plate disposed on the third gear; the rack is arranged in the middle of the upper part of the sliding rail; the mounting plate is provided with a plurality of hollow cylinders, and the number of the hollow cylinders is three; the first springs are respectively arranged in the hollow cylinders; the first connecting rod is arranged in the hollow cylinder in a sliding mode and is connected with the first spring; the sponge body is arranged on the first connecting rod.
Further, the extrusion mechanism includes: the second connecting rod is arranged on the hollow cylinder at one side far away from the slide rail; the first idler wheels are rotatably arranged on the second connecting rod, and the number of the first idler wheels is two; the water tank is arranged in the middle of the upper part of the bottom plate; the fixed shafts are respectively arranged in the water tank in a sliding manner; the special-shaped blocks are respectively arranged on the fixed shafts; a second spring disposed between the profile block and the water tank.
Further, the steering mechanism includes: the first crank is rotatably arranged on one side, far away from the servo motor, of the bottom plate; the second crank is rotatably arranged on one side of the first crank; the third crank is rotatably arranged on the other side of the first crank; the fourth cranks are rotatably arranged on the third cranks and the second cranks respectively; the fixed blocks are respectively and rotatably arranged on the fourth cranks and are connected with the wheels; the connecting plate is arranged on the upper part of the first crank; the third connecting rod is arranged on the connecting plate in a sliding manner; the second rollers are rotatably arranged at the lower part of the third connecting rod, and the number of the second rollers is two; a third spring disposed between the third connecting rod and the connecting plate.
Further, the method also comprises the following steps: the protective guard is arranged on one side, close to the first crank, of the upper portion of the bottom plate; the pushing handle is arranged on one side, far away from the protective guard, of the upper portion of the bottom plate.
The invention has the beneficial effects that: the guardrail cleaning device achieves the effect of cleaning guardrails more cleanly; the guardrail cleaning device is moved to a position where the guardrail is required to be cleaned, and the guardrail is clamped through the two second idler wheels, so that the two second idler wheels can move along the guardrail and can guide in the moving process of the guardrail cleaning device; contact through cavernosum and guardrail to the device is at the in-process that removes, and the cavernosum can wash the guardrail, and under actuating mechanism's cooperation, the cavernosum can remove to wasing in the water tank after clean a period to the guardrail, washs the completion back, and the cavernosum rotates and resets, continues to wash the guardrail, thereby can be with the guardrail sanitization.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
FIG. 2 is a schematic view of a first partial body structure according to the present invention.
Fig. 3 is a schematic view of a first partial explosion perspective structure according to the present invention.
FIG. 4 is a schematic view of a second partial body structure according to the present invention.
Fig. 5 is a perspective view of a third embodiment of the present invention.
Fig. 6 is a schematic perspective view of a second partial explosion according to the present invention.
In the above drawings: 1: bottom plate, 2: first rotating shaft, 3: wheel, 4: servo motor, 5: drive mechanism, 50: first bearing housing, 51: second rotating shaft, 52: missing gear, 53: first gear, 54: bevel gear set, 55: second gear, 6: cleaning mechanism, 60: second bearing housing, 61: third bearing seat, 62: transmission assembly, 63: support rod, 64: slide rail, 65: slide plate, 66: first stem, 67: second stem, 68: mounting plate, 69: third gear, 610: rack, 611: hollow cylinder, 612: first spring, 613: first connecting rod, 614: sponge, 7: pressing mechanism, 70: second connecting rod, 71: first roller, 72: fixed shaft, 73: shaped block, 74: second spring, 75: a water tank, 8: steering mechanism, 80: first crank, 81: second crank, 82: third crank, 83: fourth crank, 84: fixed block, 85: connection plate, 86: third connecting rod, 87: second roller, 88: third spring, 9: guard rail, 10: and (6) pushing the hand.
Detailed Description
The invention is further described below with reference to the figures and examples.
Example 1
The utility model provides a guardrail cleaning equipment for expressway, as shown in figure 1, including bottom plate 1, first pivot 2, wheel 3, servo motor 4, actuating mechanism 5, wiper mechanism 6, extrusion mechanism 7 and steering mechanism 8, 1 lower part right side rotary type of bottom plate is equipped with first pivot 2, 1 upper portion right rear side of bottom plate is equipped with servo motor 4, 1 upper portion of bottom plate is equipped with actuating mechanism 5, 1 upper portion right side of bottom plate is equipped with wiper mechanism 6, wiper mechanism 6 is connected with actuating mechanism 5, 1 upper portion of bottom plate is equipped with extrusion mechanism 7, be equipped with steering mechanism 8 on the bottom plate 1, all be equipped with wheel 3 on first pivot 2 and the steering mechanism 8.
When the user needs to wash highway's guardrail, can use this equipment, at first promote this device to need carry out abluent position, then fix this device on the guardrail through wiper mechanism 6, open servo motor 4, then drive this device through actuating mechanism 5 and begin to remove, wiper mechanism 6 begins to wash the guardrail simultaneously, abluent in-process, extrusion mechanism 7 can wash wiper mechanism 6's part, if this device washs the turning of guardrail, can drive this device through steering mechanism 8 and turn to, wash the completion back, make wiper mechanism 6 no longer fix on the guardrail, close servo motor 4, remove this device can.
Example 2
On the basis of embodiment 1, as shown in fig. 1 to 6, the driving mechanism 5 includes a first bearing seat 50, a second rotating shaft 51, a gear lacking 52, a first gear 53, a bevel gear set 54 and a second gear 55, the first bearing seat 50 is disposed on the rear side of the right portion of the base plate 1, the second rotating shaft 51 is rotatably disposed on the first bearing seat 50, the gear lacking 52 is disposed on the output shaft of the servo motor 4, the first gear 53 is disposed on the second rotating shaft 51, the first gear 53 is engaged with the gear lacking 52, the bevel gear set 54 is disposed between the second rotating shaft 51 and the first rotating shaft 2, the second gear 55 is rotatably disposed on the cleaning mechanism 6, and the second gear 55 is engaged with the gear lacking 52.
Servo motor 4 rotates and drives scarce gear 52 and rotates, when scarce gear 52 rotates to meshing with first gear 53, drive second pivot 51 and rotate, and then drive first pivot 2 and wheel 3 through bevel gear 54 and rotate, and then drive wiper mechanism 6 and begin to wash the guardrail, thereby it removes to need not artifical this device that promotes, when scarce gear 52 and second gear 55 mesh, second gear 55 drives wiper mechanism 6's part and rotates, can wash wiper mechanism 6's part through extrusion mechanism 7 afterwards.
The cleaning mechanism 6 comprises a second bearing seat 60, a third bearing seat 61, a transmission assembly 62, a support rod 63, a slide rail 64, a slide plate 65, a first rotating handle 66, a second rotating handle 67, a mounting plate 68, a third gear 69, a rack 610, a hollow cylinder 611, a first spring 612, a first connecting rod 613 and a sponge 614, the second bearing seat 60 is arranged on the right side of the upper part of the bottom plate 1, the third bearing seat 61 is arranged on the right side of the upper part of the servo motor 4, the third bearing seat 61 is rotatably connected with the second gear 55, the support rod 63 is symmetrically arranged on the front and back of the right side of the upper part of the bottom plate 1, the slide rail 64 is arranged between the support rods 63 on the two sides, the slide rail 64 is slidably provided with the slide plate 65, the first rotating handle 66 is rotatably arranged on the second bearing seat 60, the transmission assembly 62 is connected between the first rotating handle 66 and the second gear 55, the second, a third gear 69 is slidably disposed between the sliding rail 64 and the sliding plate 65, a mounting plate 68 is disposed on the left side of the third gear 69, a rack 610 is disposed on the upper portion of the sliding rail 64, the rack 610 is engaged with the third gear 69, three hollow cylinders 611 are disposed on the rear side of the mounting plate 68, a first connecting rod 613 is slidably disposed in the hollow cylinders 611, a first spring 612 is connected between the first connecting rod 613 and the hollow cylinders 611, and a sponge 614 is disposed on the rear side of the first connecting rod 613.
The user can fix the device on the guardrail through the steering mechanism 8, and make the sponge 614 contact with the guardrail, when rotating to engage with the first gear 53 through the lacking gear 52, the device starts moving, so that the sponge 614 starts to ash the guardrail, and engages with the second gear 55 through the lacking gear 52, the second gear 55 rotates to drive the first rotating handle 66 to rotate through the transmission component 62, and further drives the second rotating handle 67 to rotate, the second rotating handle 67 rotates to drive the sliding plate 65 to move in the sliding rail 64, and further drives the third gear 69 and its components to move, when the third gear 69 moves to engage with the rack 610, the third gear 69 rotates a quarter turn, so that the mounting plate 68 and its components are in a vertical state, when the third gear 69 moves downwards along the sliding rail 64 and the sliding plate 65, the sponge 614 moves downwards to the squeezing mechanism 7, at this time, the lacking gear 52 no longer engages with the second gear 55, the third gear 69 does not move any more, the squeezing mechanism 7 cleans the sponge 614, the first spring 612 is compressed in the process of cleaning the squeezing mechanism 7 of the sponge 614, when the missing gear 52 is meshed with the second gear 55 again, the squeezing mechanism 7 cleans the sponge 614, the third gear 69 drives the mounting plate 68 to move upwards, at the moment, the first spring 612 resets, when the third gear 69 drives the mounting plate 68 to move backwards to be meshed with the rack 610 again, the third gear 69 rotates reversely for a quarter of a circle, the mounting plate 68 and parts thereof reset, and the sponge 614 continues to remove dust from the guardrail.
The squeezing mechanism 7 comprises a second connecting rod 70, first rollers 71, a fixed shaft 72, a special-shaped block 73, a second spring 74 and a water tank 75, the second connecting rod 70 is arranged on the leftmost hollow barrel 611, the two first rollers 71 are rotatably arranged on the second connecting rod 70, the water tank 75 is arranged in the middle of the upper portion of the bottom plate 1, the fixed shaft 72 is symmetrically arranged in the water tank 75 in a sliding mode in a front-back mode, the special-shaped block 73 is arranged on the upper portion of the fixed shaft 72, and the second spring 74 is connected between the special-shaped block 73 and the water tank 75.
The user can hold a certain amount of water in the water tank 75, the hollow cylinder 611 moves downwards to drive the second connecting rod 70 and the first roller 71 to move downwards, when the first roller 71 moves downwards to be in contact with the special-shaped blocks 73 on the two sides, the first roller 71 presses the special-shaped blocks 73 on the two sides downwards, the sponge 614 moves downwards to the water tank 75 at the moment, the sponge 614 starts to be cleaned, the special-shaped blocks 73 on the two sides drive the fixing shafts 72 on the two sides to move inwards, the second springs 74 on the two sides are stretched at the moment, the fixing shafts 72 on the two sides move inwards to squeeze the sponge 614, so that the water in the sponge 614 can be squeezed out, when the first rollers 71 on the two sides move upwards, the first rollers 71 do not apply force to the special-shaped blocks 73 any more, and the fixing shafts 72 on the two sides move outwards to reset under the resetting effect of the second springs 74 on the two sides.
The steering mechanism 8 comprises a first crank 80, a second crank 81, a third crank 82, a fourth crank 83, a fixing block 84, a connecting plate 85, a third connecting rod 86, a second idler wheel 87 and a third spring 88, the first crank 80 is rotatably arranged in the middle of the left side of the bottom plate 1, the second crank 81 is rotatably arranged on the front side of the first crank 80, the third crank 82 is rotatably arranged on the rear side of the first crank 80, the fourth crank 83 is rotatably arranged on the second crank 81 and the third crank 82, the fixing blocks 84 are rotatably arranged on the fourth cranks 83 on the two sides, the fixing blocks 84 are connected with the two wheels 3 on the left side, the connecting plate 85 is arranged on the upper portion of the first crank 80, the third connecting rod 86 is slidably arranged on the connecting plate 85, the two second idler wheels 87 are rotatably arranged on the lower portion of the third connecting rod 86, and the third spring 88 is connected between the third connecting rod 86 and.
The user can be with the guardrail card between the second gyro wheel 87 of both sides, when this device begins to remove, the second gyro wheel 87 of both sides begins to remove along the guardrail, wash the position that begins to turn to the guardrail when this device, first crank 80 rotates the wheel 3 that drives second crank 81 and left front side and rotates, thereby can make this device begin to rotate, if this device need begin to rotate to another direction, then third crank 82 drives the wheel 3 rotation of third crank 82 and left rear side, and then drive this device and rotate, this device is at the in-process of turning, deformation takes place for third spring 88, after this device turns and accomplishes, third spring 88 resets.
Example 3
On the basis of the embodiment 2, as shown in fig. 1, the device further comprises a guard rail 9 and a pushing handle 10, the guard rail 9 is arranged on the left side of the upper part of the bottom plate 1, and the pushing handle 10 is arranged on the right side of the upper part of the bottom plate 1.
The user can use the pushing handle 10 to move the device to the position where the dust is needed to be removed, and if the device collides with other objects, the protective guard 9 can play a role in buffering.
It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by using equivalent alternatives or equivalent variations fall within the scope of the present invention.
Claims (6)
1. The utility model provides a guardrail cleaning equipment for expressway, characterized by including:
a base plate (1), wherein the base plate (1) is used for mounting the whole device;
the first rotating shaft (2) is rotatably arranged on one side of the lower part of the bottom plate (1);
the servo motor (4) is arranged on one side, close to the first rotating shaft (2), of the upper portion of the bottom plate (1);
the driving mechanism (5) is arranged on one side, close to the servo motor (4), of the upper part of the bottom plate (1);
the cleaning mechanism (6), the said cleaning mechanism (6) is set up in the upper portion of the said bottom plate (1);
the extrusion mechanism (7), the extrusion mechanism (7) is arranged on the upper part of the bottom plate (1), and the cleaning mechanism (6) is connected with the extrusion mechanism (7);
the steering mechanism (8), the steering mechanism (8) is arranged on the upper part of the bottom plate (1);
the wheels (3) are respectively arranged on two sides of the first rotating shaft (2) and on the steering mechanism (8), and the number of the wheels (3) is four.
2. A guardrail cleaning apparatus for an expressway as set forth in claim 1, wherein the drive mechanism (5) comprises:
the first bearing seat (50), the first bearing seat (50) is arranged on one side of the bottom plate (1) close to the servo motor (4);
the second rotating shaft (51), the second rotating shaft (51) is rotatably arranged in the first bearing seat (50);
a missing gear (52), wherein the missing gear (52) is arranged on an output shaft of the servo motor (4);
a first gear (53), wherein the first gear (53) is arranged on the second rotating shaft (51), and the missing gear (52) is meshed with the first gear (53);
a bevel gear set (54), the bevel gear set (54) being disposed between the second rotating shaft (51) and the first rotating shaft (2);
a second gear (55), wherein the second gear (55) is rotatably arranged on the cleaning mechanism (6), and the second gear (55) is meshed with the gear lack (52).
3. A guardrail cleaning apparatus for an expressway as set forth in claim 2, wherein the cleaning mechanism (6) comprises:
the second bearing seat (60) is arranged on one side, close to the servo motor (4), of the bottom plate (1);
a third bearing seat (61), wherein the third bearing seat (61) is arranged on the servo motor (4), and the third bearing seat (61) is rotatably connected with the second gear (55);
the supporting rods (63), the supporting rods (63) are symmetrically arranged on one side, close to the second bearing seat (60), of the bottom plate (1);
the sliding rail (64) is arranged between the supporting rods (63) on two sides of the sliding rail (64);
a sliding plate (65), wherein the sliding plate (65) is arranged on the sliding rail (64) in a sliding manner;
a first rotating handle (66), wherein the first rotating handle (66) is rotatably arranged on the second bearing seat (60);
a transmission assembly (62), the transmission assembly (62) disposed between the first stem (66) and the second gear (55);
a second rotating handle (67), wherein the second rotating handle (67) is rotatably arranged on the first rotating handle (66);
a third gear (69), the third gear (69) being slidably disposed between the slide rail (64) and the slide plate (65);
a mounting plate (68), the mounting plate (68) disposed on the third gear (69);
a rack (610), wherein the rack (610) is arranged in the middle of the upper part of the sliding rail (64);
the hollow cylinders (611) are uniformly arranged on the mounting plate (68) at intervals, and the number of the hollow cylinders (611) is three;
first springs (612), the first springs (612) being respectively disposed inside the hollow cylinders (611);
a first connecting rod (613), the first connecting rod (613) being slidably disposed within the hollow cylinder (611), the first connecting rod (613) being connected to the first spring (612);
a sponge (614), the sponge (614) disposed on the first connecting rod (613).
4. A guardrail cleaning apparatus for an expressway as claimed in claim 3, wherein the pressing mechanism (7) comprises:
a second connecting rod (70), wherein the second connecting rod (70) is arranged on the hollow barrel (611) on the side far away from the slide rail (64);
the first rollers (71), the first rollers (71) are rotatably arranged on the second connecting rod (70), and the number of the first rollers (71) is two;
the water tank (75), the said water tank (75) is set up in the middle of upper portion of the said bottom plate (1);
the fixed shafts (72), the fixed shafts (72) are respectively arranged in the water tank (75) in a sliding manner;
special-shaped blocks (73), the special-shaped blocks (73) are respectively arranged on the fixed shafts (72);
a second spring (74), the second spring (74) being disposed between the shaped block (73) and the water tank (75).
5. A guardrail cleaning apparatus for expressways according to claim 4, characterized in that the steering mechanism (8) comprises:
the first crank (80) is rotatably arranged on one side, far away from the servo motor (4), of the bottom plate (1);
a second crank (81), wherein the second crank (81) is rotatably arranged on one side of the first crank (80);
a third crank (82), wherein the third crank (82) is rotatably arranged at the other side of the first crank (80);
a fourth crank (83), wherein the fourth crank (83) is rotatably arranged on the third crank (82) and the second crank (81) respectively;
the fixed blocks (84) are respectively and rotatably arranged on the fourth cranks (83), and the fixed blocks (84) are connected with the wheels (3);
a connecting plate (85), wherein the connecting plate (85) is arranged at the upper part of the first crank (80);
a third connecting rod (86), the third connecting rod (86) being slidably disposed on the connecting plate (85);
the second rollers (87) are rotatably arranged at the lower part of the third connecting rod (86), and the number of the second rollers (87) is two;
a third spring (88), the third spring (88) disposed between the third connecting rod (86) and the connecting plate (85).
6. A guardrail cleaning apparatus for an expressway as set forth in claim 5, further comprising:
the protective guard (9), the protective guard (9) is arranged on one side of the upper part of the bottom plate (1) close to the first crank (80);
the pushing handle (10), the pushing handle (10) is arranged on one side, far away from the protective guard (9), of the upper portion of the bottom plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010999831.XA CN112252243B (en) | 2020-09-22 | 2020-09-22 | Guardrail cleaning equipment for expressway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010999831.XA CN112252243B (en) | 2020-09-22 | 2020-09-22 | Guardrail cleaning equipment for expressway |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112252243A true CN112252243A (en) | 2021-01-22 |
| CN112252243B CN112252243B (en) | 2022-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010999831.XA Active CN112252243B (en) | 2020-09-22 | 2020-09-22 | Guardrail cleaning equipment for expressway |
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| Country | Link |
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| CN (1) | CN112252243B (en) |
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| CN207793977U (en) * | 2017-04-27 | 2018-08-31 | 天津城建滨海路桥有限公司 | A kind of road and bridge cleaning machine |
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| CN208472631U (en) * | 2018-06-12 | 2019-02-05 | 河北省高速公路石安管理处 | A kind of novel retractable guardrail friction scrubbing apparatus |
| CN209227448U (en) * | 2018-11-30 | 2019-08-09 | 无锡市金沙田科技有限公司 | Electric guardrail cleaning vehicle |
| CN210127435U (en) * | 2019-01-21 | 2020-03-06 | 江苏高速公路工程养护有限公司 | Self-propelled road maintenance sweeper |
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|---|---|---|---|---|
| EP0447601A1 (en) * | 1990-03-22 | 1991-09-25 | Rolba Ag | Apparatus for cleaning road markings |
| FR2684700A1 (en) * | 1991-12-06 | 1993-06-11 | Metoz Jean Claude | Device for guiding a maintenance tool along road safety rails (crash barriers) |
| CN202000296U (en) * | 2011-01-14 | 2011-10-05 | 王彬 | Steam deicing and ice-melting vehicle with power supply |
| CN206800279U (en) * | 2017-03-23 | 2017-12-26 | 中铁三局集团华东建设有限公司 | A kind of Bridge guardrail high-efficiency cleaning equipment |
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| CN209227448U (en) * | 2018-11-30 | 2019-08-09 | 无锡市金沙田科技有限公司 | Electric guardrail cleaning vehicle |
| CN210127435U (en) * | 2019-01-21 | 2020-03-06 | 江苏高速公路工程养护有限公司 | Self-propelled road maintenance sweeper |
| CN110915459A (en) * | 2019-11-29 | 2020-03-27 | 宁波昂霖智能装备有限公司 | Cleaning robot |
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| CN112252243B (en) | 2022-04-29 |
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