CN111851389B - Rotatable deicing fluid spray head for bridge road - Google Patents
Rotatable deicing fluid spray head for bridge road Download PDFInfo
- Publication number
- CN111851389B CN111851389B CN202010649247.1A CN202010649247A CN111851389B CN 111851389 B CN111851389 B CN 111851389B CN 202010649247 A CN202010649247 A CN 202010649247A CN 111851389 B CN111851389 B CN 111851389B
- Authority
- CN
- China
- Prior art keywords
- liquid
- rotating shaft
- connecting pipe
- inlet pipe
- power box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000012530 fluid Substances 0.000 title claims abstract description 66
- 239000007921 spray Substances 0.000 title claims description 67
- 239000007788 liquid Substances 0.000 claims abstract description 226
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 58
- 230000001360 synchronised effect Effects 0.000 claims description 51
- 229910052742 iron Inorganic materials 0.000 claims description 29
- 238000001802 infusion Methods 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- 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
- E01H10/00—Improving gripping of ice-bound or other slippery traffic surfaces, e.g. using gritting or thawing materials ; Roadside storage of gritting or solid thawing materials; Permanently installed devices for applying gritting or thawing materials; Mobile apparatus specially adapted for treating wintry roads by applying liquid, semi-liquid or granular materials
- E01H10/005—Permanently-installed devices for applying gritting or thawing materials, e.g. for spreading grit, for spraying de-icing liquids
Abstract
The utility model provides a rotatable formula deicing fluid shower nozzle for bridge road, liquid distributor makes deicing fluid carry to headstock I earlier through connecting pipe I, because the inlet is at the back side of headstock I, consequently promote I anticlockwise rotation of blade when deicing fluid flows, later deicing fluid passes through drain pipe I and spouts deicing fluid in the tee bend inflow shower nozzle, simultaneously because I anticlockwise rotation of pivot to through I drive shower nozzle of engaged sector gear II and I gear to the left side rotation. When the shower nozzle rotated to the leftmost end, liquid distributor made during deicing liquid flowed into headstock II through connecting pipe II, because the inlet was in the front side of headstock II, consequently promoted II clockwise rotations of blade when deicing liquid flowed, later deicing liquid through II three-way inflow shower nozzles of drain pipe with deicing liquid blowout, simultaneously because the clockwise rotation of pivot II, consequently through I and II drive shower nozzles of engaged sector gear of sector gear to the right side rotation, the while repetition above-mentioned step realizes the horizontal hunting of shower nozzle.
Description
Technical Field
The invention relates to the technical field of bridge engineering, in particular to a rotatable deicing fluid spray head for bridge roads.
Background
In northern areas of China, due to the fact that the roads are cold in winter, when rainy and snowy weather occurs, the roads and the road surfaces of the bridges can be frozen, deicing liquid spray heads are installed on the roads and the roadside of the bridges, and when the roads are frozen, deicing liquid in the deicing liquid pipelines is sprayed to the road surfaces through the deicing liquid spray heads to melt ice on the roads. However, the existing deicing fluid nozzles are all fixed mounting structures and cannot rotate, so that the deicing fluid nozzles which need to be mounted if the roads are completely covered are dense, the manufacturing cost is high, the motor is generally required to be used for driving if the deicing fluid nozzles which can swing are to be mounted, but the motor-driven nozzles need to swing in a reciprocating manner frequently in a forward direction and then rotate in a reverse direction, and the service life of the motor is influenced.
Disclosure of Invention
The invention provides a rotatable deicing liquid spray head for a bridge road, which utilizes the pressure of deicing liquid to drive the deicing liquid spray head to swing back and forth within a certain angle in order to overcome the defects of the prior art.
The technical scheme adopted by the invention for overcoming the technical problems is as follows:
a rotatable deicing fluid nozzle for bridge roads, comprising:
the spray nozzle is fixed on the main shaft, a sector gear I is installed on the main shaft below the spray nozzle, and a sector gear II is installed on the main shaft above the spray nozzle;
the power box II is fixed on the base, a rotating shaft II is rotatably installed in the power box II through a bearing II, the rotating shaft II is parallel to the main shaft, a plurality of blades II are arranged on the rotating shaft II at intervals along the circumferential direction, the upper end, the lower end and the outer side end of each blade II are in sliding friction contact with the inner wall of an inner cavity in the power box II, a gear II is arranged at the lower end of the rotating shaft II, and the gear II is meshed with the sector gear I;
the power box I is fixed on the base and located right above the power box II, a rotating shaft I is rotatably installed in the power box I through a bearing II and is parallel to the main shaft, a plurality of blades I are arranged on the rotating shaft I at intervals along the circumferential direction, the upper end, the lower end and the outer side end of each blade I are in sliding friction contact with the inner wall of the inner cavity of the power box I, a gear I is arranged at the upper end of the rotating shaft I, and the gear I is meshed with the sector gear II;
a liquid distribution device arranged on the base, one end of the connecting pipe I is connected with the liquid distribution device, the other end of the connecting pipe is connected with the rear side end of the power box I, one end of the connecting pipe II is connected with the liquid distribution device, the other end of the power box is connected with the front side end of the power box II, the front side end of the power box I is respectively provided with a liquid outlet pipe I and an air inlet pipe I, the air inlet pipe I is provided with a one-way valve I which enables air to flow into the power box I from the outside in a one-way mode, the rear side end of the power box II is provided with an air inlet pipe II and a liquid outlet pipe II respectively, the air inlet pipe II is provided with a one-way valve II, air flows into the power box II from the outside in a one-way mode through the one-way valve II, the liquid outlet pipe I is provided with a one-way valve III, liquid in the power box I is conveyed to the spray head in a one-way mode through the one-way valve III, the liquid outlet pipe II is provided with a one-way valve IV, and liquid in the power box II is conveyed to the spray head in a one-way mode through the one-way valve IV; and
the other end of the liquid outlet pipe I is connected with a first connecting end of the tee, the other end of the liquid outlet pipe II is connected with a second connecting end of the tee, and a third connecting end of the tee is connected with the spray head through a hose; when the liquid distribution device conveys deicing liquid in the deicing liquid infusion pipeline to the power box I through the connecting pipe I, the deicing liquid drives the blades I to rotate anticlockwise and the spray head rotates to the leftmost side end towards the left side, and the liquid distribution device drives the deicing liquid in the deicing liquid infusion pipeline to rotate clockwise through the connecting pipe II until the spray head rotates to the rightmost side end towards the right side.
Further, the liquid distribution device comprises a distribution box, a rotating shaft IV rotatably arranged in the distribution box through a bearing IV, a piston disc I arranged on the rotating shaft IV, a piston disc II arranged on the rotating shaft IV and positioned at the lower end of the piston disc I and a synchronous driving mechanism, when the rotating shaft I and the rotating shaft II rotate, the rotating shaft IV is driven by the synchronous driving mechanism to rotate anticlockwise, a liquid guide groove I is arranged on the piston disc I along the circumferential direction, a liquid guide groove II is arranged on the piston disc II along the circumferential direction, one end of a liquid inlet pipe I is connected with a deicing liquid infusion pipeline, the other end of the liquid inlet pipe I is connected with the distribution box, one end of a connecting pipe I is connected with the rear side end of the power box I, the other end of the connecting pipe I is connected with the distribution box, one end of the liquid inlet pipe II is connected with the deicing liquid infusion pipeline, the other end of the connecting pipe II is connected with the front side end of the power box II, and the other end of the connecting pipe II is connected with the distribution box, when the piston disc I rotates to the liquid guide groove I to conduct the liquid inlet pipe I with the connecting pipe I, the liquid inlet pipe II is not conducted with the connecting pipe II, when the piston disc II rotates to the liquid guide groove II to conduct the liquid inlet pipe II with the connecting pipe II, the liquid inlet pipe I is not conducted with the connecting pipe I, the steering auxiliary device is further included, when the liquid guide groove I rotates to the tail end to conduct the liquid inlet pipe I with the connecting pipe I, the head end of the liquid guide groove II is not communicated with the liquid inlet pipe II and the connecting pipe II, the auxiliary device enables the piston disc I and the piston disc II to rotate to the head end of the liquid guide groove II to be communicated with the liquid inlet pipe II and the connecting pipe II, the liquid guide groove I is not communicated with the liquid inlet pipe I and the connecting pipe I, when the liquid guide groove II rotates to the tail end to conduct the liquid inlet pipe II with the connecting pipe II, the head end of the liquid guide groove I is not communicated with the connecting pipe I, the auxiliary device enables the piston disc I and the piston disc II to rotate to the head end of the liquid guide groove I to be communicated with the liquid inlet pipe I, and the liquid guide groove II is not communicated with the liquid inlet pipe II and the connecting pipe II.
Furthermore, the synchronous driving mechanism comprises a synchronous pulley IV arranged at the upper end of a rotating shaft IV, a synchronous pulley II arranged at the lower end of the rotating shaft IV, a synchronous pulley III arranged on the rotating shaft I, a rotating shaft III rotatably arranged in a base through a bearing III, a gear IV and a synchronous pulley I arranged on the rotating shaft III, and a gear III arranged on the rotating shaft II, wherein the gear III is meshed with the gear IV, the synchronous pulley III is in transmission connection with the synchronous pulley IV through a synchronous belt II, and the synchronous pulley I is in transmission connection with the synchronous pulley II through a synchronous belt I.
And a rotary seal I is arranged at the connecting part between the power box I and the bearing II.
And a rotary seal I is arranged at the connecting part between the power box II and the bearing II.
And a rotary seal II is arranged at the connecting part between the distribution box and the rotating shaft IV.
Furthermore, the steering auxiliary device comprises an iron rod I installed at the left side end of the spray head, an iron rod II installed at the right side end of the spray head, an electromagnet I installed at the left side end of the base and an electromagnet II installed at the right side end of the base, wherein an iron block I is installed on the piston disc I, a magnet II is installed on the piston disc II, a magnetic sensor I and a magnetic sensor II are installed on the distribution box, the electromagnet I is connected to a power supply through a delay relay I, the electromagnet II is connected to the power supply through the delay relay II, the magnetic sensor I is connected to the control end of the relay I, the magnetic sensor II is connected to the control end of the relay II, when the spray head rotates leftwards to enable the liquid guide groove I to rotate to the tail end to enable the liquid inlet pipe I to be communicated with the connecting pipe I, the iron block I triggers the magnetic sensor I, the delay relay I enables the electromagnet I to be electrified to enable the iron rod I to be attracted to be contacted with the electromagnet I, piston dish II rotates to the head end of liquid guide groove II and is linked together with feed liquor pipe II and connecting pipe II, when the shower nozzle right turn round make liquid guide groove II rotate to the tail end with feed liquor pipe II and connecting pipe II switch on mutually, magnet II triggers magnetic sensor II, time delay relay II makes II circular telegrams of electro-magnet inhale iron set II with the contact of electro-magnet II, piston dish I rotates to the head end of liquid guide groove I and is linked together with feed liquor pipe I and connecting pipe I.
The invention has the beneficial effects that: during deicing fluid among deicing fluid infusion pipeline gets into liquid distributor, liquid distributor makes deicing fluid carry to headstock I through connecting pipe I earlier, because the inlet is at the back side of headstock I, consequently, deicing fluid promotes I anticlockwise rotation of blade when flowing, later deicing fluid passes through drain pipe I and in the tee bend flow in the shower nozzle with deicing fluid blowout, simultaneously because I anticlockwise rotation of pivot to through I drive shower nozzle of engaged sector gear II and I to the left side rotation of gear. At the moment, because of the action of the one-way valve IV, the deicing fluid cannot enter the power box II, when the spray head rotates to the leftmost end, the deicing fluid flows into the power box II through the connecting pipe II by the fluid distribution device, because the fluid inlet is arranged at the front side of the power box II, the blades II are pushed to rotate clockwise when the deicing fluid flows, then the deicing fluid flows into the spray head through the three-way pipe II through the fluid outlet pipe II to spray the deicing fluid, simultaneously, because the rotating shaft II rotates clockwise, the spray head is driven to rotate towards the right side by the meshed sector gear I and sector gear II, the steps are repeated to realize the left-right swinging of the spray head, the spray area of the deicing fluid can be improved, because the spray head is connected with the three-way pipe through the hose, the spray head can move freely, the arrangement area of the spray head is reduced, the self pressure and the flowing flow rate of the deicing fluid are utilized to drive the spray head to rotate, and the operation is reliable, the nozzle can be driven to act as long as the deicing fluid flows in the deicing fluid pipeline.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic sectional view taken along line A-A and line B-B of FIG. 1;
FIG. 3 is a schematic view of the liquid guide groove I rotating to the state that the tail end is communicated with the liquid inlet pipe I;
FIG. 4 is a schematic view of the liquid guiding groove II rotating to a state that the head end is communicated with the liquid inlet pipe II;
FIG. 5 is a schematic view of the liquid guiding groove II rotating to the state that the tail end is communicated with the liquid inlet pipe II;
FIG. 6 is a schematic view of a state that an iron rod I rotates towards an electromagnet I;
FIG. 7 is a schematic view of the state that the iron rod II rotates towards the electromagnet II;
in the figure, 1, a base 2, a main shaft 3, a bearing I4, a spray head 5, a sector gear I6, a sector gear II 7, a power box I8, a power box II 9, a rotating shaft I10, a bearing II 11, a rotary seal I12, a gear I13, a rotating shaft II 14, a gear II 15, a gear III 16, a rotating shaft III 17, a bearing III 18, a gear IV 19, a distribution box 20, a rotating shaft IV 21, a bearing IV 22, a rotary seal II 23, a piston disc I24, a piston disc II 25, a liquid guide groove I26, a liquid guide groove II 27, a synchronous belt wheel I28, a synchronous belt wheel II 29, a synchronous belt I30, a synchronous belt III 31, a synchronous belt II 32, a synchronous belt IV 33, a connecting pipe I34, a connecting pipe II 35, an air inlet pipe I36, a one-way valve I37, an air inlet pipe II 38, a one-way valve II 39, a three-way valve I40, a liquid IV 44, a hose 45, a blade I46, a liquid inlet pipe I47, a blade II 48, a liquid inlet pipe II 49, an iron block I50, a magnetic sensor I51, a magnet II 52, a magnetic sensor II 53, an iron rod I54, an iron rod II 55, an electromagnet I56 and an electromagnet II.
Detailed Description
The invention will be further described with reference to fig. 1 to 7.
As shown in fig. 1, a rotatable deicing fluid nozzle for bridge roads comprises: the device comprises a base 1, a main shaft 2, a spray head 4, a sector gear I5, a sector gear II 6 and a fan-shaped gear II, wherein the base 1 is arranged on the roadside of a bridge road, the main shaft 2 is rotatably arranged at the front end of the base 1 through a bearing I3, the main shaft 2 is arranged along the vertical direction, the spray head 4 is fixed on the main shaft 2, the sector gear I5 is arranged on the main shaft 2 below the spray head 4, and the sector gear II 6 is arranged on the main shaft 2 above the spray head 4; the power box II 8 is fixed on the base 1, a rotating shaft II 13 is rotatably installed in the power box II 8 through a bearing II 10, the rotating shaft II 13 is parallel to the main shaft 2, a plurality of blades II 47 are arranged on the rotating shaft II 13 at intervals along the circumferential direction, the upper end, the lower end and the outer side end of each blade II 47 are in sliding friction contact with the inner wall of the inner cavity in the power box II 8, a gear II 14 is arranged at the lower end of the rotating shaft II 13, and the gear II 14 is meshed with the sector gear I5; the power box I7 is fixed on the base 1 and located right above the power box II 8, a rotating shaft I9 is rotatably installed in the power box I7 through a bearing II 10, the rotating shaft I9 is parallel to the spindle 2, a plurality of blades I45 are arranged on the rotating shaft I9 at intervals along the circumferential direction, the upper end, the lower end and the outer side end of each blade I45 are in sliding friction contact with the inner wall of an inner cavity in the power box I7, a gear I12 is arranged at the upper end of the rotating shaft I9, and the gear I12 is meshed with a sector gear II 6; a liquid distribution device arranged on the base 1, one end of a connecting pipe I33 is connected with the liquid distribution device, the other end is connected with the rear side end of a power box I7, one end of a connecting pipe II 34 is connected with the liquid distribution device, the other end is connected with the front side end of a power box II 8, the front side end of the power box I7 is respectively provided with a liquid outlet pipe I40 and an air inlet pipe I35, the air inlet pipe I35 is provided with a one-way valve I36, the one-way valve I36 enables air to flow from the outside to the power box I7 in a one-way mode, the rear side end of the power box II 8 is respectively provided with an air inlet pipe II 37 and a liquid outlet pipe II 42, the air inlet pipe II 37 is provided with a one-way valve II 38, the one-way valve II 38 enables air to flow from the outside to the power box II 8 in a one-way mode, the liquid outlet pipe I40 is provided with a one-way valve III 41, the one-way valve III 41 enables liquid in the power box I7 to be conveyed to the spray head 4 in a one-way mode, a one-way valve IV 43 is arranged on the liquid outlet pipe II 42, and the one-way valve IV 43 enables liquid in the power box II 8 to be conveyed to the spray head 4 in a one-way mode; the other end of the liquid outlet pipe I40 is connected with a first connecting end of the tee 39, the other end of the liquid outlet pipe II 42 is connected with a second connecting end of the tee 39, and a third connecting end of the tee 39 is connected with the spray head 4 through a hose 44; when the liquid distribution device conveys deicing liquid in a deicing liquid infusion pipeline to the power box I7 through the connecting pipe I33, the deicing liquid drives the blades I45 to rotate anticlockwise, and the spray head 4 rotates to the leftmost end towards the left side, the liquid distribution device drives the deicing liquid in the deicing liquid infusion pipeline to rotate clockwise through the connecting pipe II 34, until the spray head 4 rotates to the rightmost end towards the right side. During deicing fluid among deicing fluid infusion pipeline gets into liquid distributor, liquid distributor makes deicing fluid carry to headstock I7 through connecting pipe I33 earlier, because the inlet is at the back side of headstock I7, consequently, deicing fluid promotes blade I45 anticlockwise rotation when flowing, later deicing fluid passes through drain pipe I40 and spouts deicing fluid in flowing into shower nozzle 4 through tee bend 39, simultaneously because I9 anticlockwise rotations of pivot to through II 6 and the I12 drive shower nozzle 4 of engaged sector gear of gear to the left side rotates. At the moment, due to the action of the one-way valve IV 43, the deicing fluid cannot enter the power box II 8, when the spray head 4 rotates to the leftmost side end, the deicing fluid flows into the power box II 8 through the connecting pipe II 34 by the fluid distribution device, the fluid inlet is arranged on the front side of the power box II 8, the blades II 47 are pushed to rotate clockwise when the deicing fluid flows, then the deicing fluid flows into the spray head 4 through the three-way pipe 39 through the fluid outlet pipe II 42 to spray the deicing fluid, due to the action of the one-way valve III 41, the deicing fluid cannot enter the power box I7, and simultaneously due to the clockwise rotation of the rotating shaft II 13, the spray head 4 is driven to rotate towards the right side by the meshed sector gear I5 and sector gear II 6, and the steps are repeated to realize the left-right swinging of the spray head 4, so that the spray area of the deicing fluid can be improved, because the spray head 4 is connected with the three-way pipe 39 through the hose 44, therefore, the deicing fluid can move freely, the arrangement area of the spray heads 4 is reduced, the pressure and the flowing flow rate of the deicing fluid are utilized to drive the spray heads 4 to rotate, the operation is reliable, and the spray heads 4 can be driven to act as long as the deicing fluid flows in the deicing fluid pipeline.
The liquid distribution device can be a mechanism which comprises a distribution box 19, a rotating shaft IV 20 rotatably arranged in the distribution box 19 through a bearing IV 21, a piston disc I23 arranged on the rotating shaft IV 20, a piston disc II 24 arranged on the rotating shaft IV 20 and positioned at the lower end of the piston disc I23 and a synchronous driving mechanism, when the rotating shaft I9 and the rotating shaft II 13 rotate, the rotating shaft IV 20 is driven to rotate anticlockwise through the synchronous driving mechanism, a liquid guide groove I25 is arranged on the piston disc I23 along the circumferential direction, a liquid guide groove II 26 is arranged on the piston disc II along the circumferential direction, one end of a liquid inlet pipe I46 is connected to a deicing liquid infusion pipeline, the other end of the liquid inlet pipe I46 is connected to the distribution box 19, one end of a connecting pipe I33 is connected to the rear side end of a power box I7, the other end of the connecting pipe I33 is connected to the distribution box 19, one end of a liquid inlet pipe II 48 is connected to the deicing liquid infusion pipeline, the other end of the connecting pipe II 34 is connected with the distribution box 19, one end of the connecting pipe II 34 is connected with the front side end of the power box II 8, the other end of the connecting pipe II 34 is connected with the distribution box 19, when the piston disc I23 rotates to the liquid guide groove I25 to conduct the liquid inlet pipe I46 with the connecting pipe I33, the liquid inlet pipe II 48 is not conducted with the connecting pipe II 34, when the piston disc II 24 rotates to the liquid guide groove II 26 to conduct the liquid inlet pipe II 48 with the connecting pipe II 34, the liquid inlet pipe I46 is not conducted with the connecting pipe I33, the steering auxiliary device is further included, when the liquid guide groove I25 rotates to the tail end to conduct the liquid inlet pipe I46 with the connecting pipe I33, the head end of the liquid guide groove II 26 is not communicated with the liquid inlet pipe II 48 and the connecting pipe II 34, the auxiliary device acts to enable the piston disc I23 and the piston disc II 24 to rotate to enable the head end of the liquid guide groove II 26 to be communicated with the liquid inlet pipe II 48 and the connecting pipe II 34, the liquid guide groove I25 is not communicated with the liquid inlet pipe I46 and the connecting pipe I33, when the liquid guide groove II 26 rotates to the tail end to conduct the liquid inlet pipe II 48 and the connecting pipe II 34, the head end of the liquid guide groove I25 is not communicated with the liquid inlet pipe I46 and the connecting pipe I33, the piston disc I23 and the piston disc II 24 rotate to the position that the head end of the liquid guide groove I25 is communicated with the liquid inlet pipe I46 and the connecting pipe I33, and the liquid guide groove II 26 is not communicated with the liquid inlet pipe II 48 and the connecting pipe II 34. When liquid guide groove I25 conducts liquid inlet pipe I46 and connecting pipe I33 mutually, deicing fluid input by liquid inlet pipe I46 passes through liquid guide groove I25 and is guided into connecting pipe I33, thereby entering power box I7 and pushing blade I45 to rotate anticlockwise, when liquid guide groove II 26 communicates liquid inlet pipe II 48 with connecting pipe II 34, deicing fluid input by liquid inlet pipe II 48 passes through liquid guide groove II 26 and is guided into connecting pipe II 34, thereby entering power box II 8 and pushing blade II 47 to rotate clockwise.
The synchronous driving mechanism can be of a structure comprising a synchronous pulley IV 32 arranged at the upper end of a rotating shaft IV 20, a synchronous pulley II 28 arranged at the lower end of the rotating shaft IV 20, a synchronous pulley III 30 arranged on a rotating shaft I9, a rotating shaft III 16 rotatably arranged in the base 1 through a bearing III 17, a gear IV 18 and a synchronous pulley I27 arranged on the rotating shaft III 16 and a gear III 15 arranged on a rotating shaft II 13, wherein the gear III 15 is meshed with the gear IV 18, the synchronous pulley III 30 is in transmission connection with the synchronous pulley IV 32 through a synchronous belt II 31, and the synchronous pulley I27 is in transmission connection with the synchronous pulley II 28 through a synchronous belt I29. When the rotating shaft I9 rotates anticlockwise, the rotating shaft IV 20 is driven to rotate anticlockwise through the synchronous belt II 31, and when the rotating shaft II 13 rotates clockwise, the driving gear IV 18 rotates anticlockwise, so that the rotating shaft IV 20 is further driven to rotate anticlockwise through the synchronous belt I29, and the rotating shaft IV 20 is driven to rotate anticlockwise all the time.
Furthermore, a rotary seal I11 is arranged at the connecting part between the power box I7 and the bearing II 10. And a rotary seal I11 is arranged at the connecting part between the power box II 8 and the bearing II 10. And a rotary seal II 22 is arranged at the connecting part between the distribution box 19 and the rotating shaft IV 20. The rotary seal I11 can improve the sealing performance between the rotating shaft I9 and the power box I7 and between the rotating shaft II 13 and the power box II 8, and the rotary seal II 22 can improve the sealing performance between the rotating shaft IV 20 and the distribution box 19.
The steering auxiliary device can be of a structure comprising an iron rod I53 arranged at the left end of the spray head 4, an iron rod II 54 arranged at the right end of the spray head 4, an electromagnet I55 arranged at the left end of the base 1 and an electromagnet II 56 arranged at the right end of the base 1, wherein an iron block I49 is arranged on the piston disc I23, a magnet II 51 is arranged on the piston disc II 24, a magnetic sensor I50 and a magnetic sensor II 52 are arranged on the distribution box 19, the electromagnet I55 is connected to a power supply through a time delay relay I, the electromagnet II 56 is connected to the power supply through a time delay relay II, the magnetic sensor I50 is connected to the control end of the relay I, the magnetic sensor II 52 is connected to the control end of the relay II, when the spray head 4 rotates leftwards to enable the liquid guide groove I25 to rotate to the tail end to conduct the liquid inlet, iron block I49 triggers magnetic sensor I50, time delay relay I makes electro-magnet I55 circular telegram inhale iron set I53 with electro-magnet I55 and contact, piston dish II 24 rotates to the head end of liquid guide groove II 26 and is linked together with feed liquor pipe II 48 and connecting pipe II 34, when shower nozzle 4 rotates right and makes liquid guide groove II 26 rotate to the tail end and feed liquor pipe II 48 and connecting pipe II 34 looks conduction, magnet II 51 triggers magnetic sensor II 52, time delay relay II makes electro-magnet II 56 circular telegram inhale iron set II 54 and contacts with electro-magnet II 56, piston dish I23 rotates to the head end of liquid guide groove I25 and is linked together with feed liquor pipe I46 and connecting pipe I33. The electromagnet I55 and the electromagnet II 56 are electrified by the time delay relay I and the time delay relay II to generate magnetic force to attract the iron rod I53 or the iron rod II 54, so that the piston disc I23 and the piston disc II 24 are driven to rotate by the magnetic force, and the alternative transition of the liquid guide groove I25 and the liquid guide groove II 26 is realized.
Specifically, the present invention will be further explained with reference to fig. 2 to 7:
assuming that the nozzle 4 rotates from the right side to the left side in the initial state, as shown in fig. 2, at this time, the piston disc i 23 rotates to the head end of the liquid guide groove i 25 to communicate the connecting pipe i 33 with the liquid inlet pipe i 46, at this time, the piston disc ii 24 rotates to the liquid guide groove ii 26 to be far away from the connecting port between the liquid inlet pipe ii 48 and the connecting pipe ii 34, the deicing fluid in the deicing fluid infusion pipeline enters the liquid guide groove i 25 through the liquid inlet pipe i 46 and then enters the power box i 7 through the connecting pipe i 33 to push the blades i 45 to rotate counterclockwise, then the deicing fluid enters the nozzle 4 to inject the deicing fluid onto the road surface after pushing the one-way valve iii 41 through the liquid outlet pipe i 40, the blades i 45 rotate counterclockwise so that the rotating shaft i 9 rotates counterclockwise, and therefore, the nozzle 4 is driven to rotate from the right side to the left side by the meshed sector gear ii 6 and the gear i 12, under the action of the one-way valve IV 43, the deicing fluid in the liquid outlet pipe I40 cannot enter the power box II 8 through the liquid outlet pipe II 42. The rotating shaft I9 rotates anticlockwise, the rotating shaft IV 20 is driven to rotate anticlockwise through the synchronous belt II 31, so that the piston disc I23 and the piston disc II 24 are driven to rotate, when the rotating shaft IV 20 rotates, the rotating shaft III 16 is driven to rotate anticlockwise through the synchronous belt I29, the rotating shaft II 13 is driven to rotate clockwise at this time due to the gear III 15 and the gear IV 18, and a connecting port between the connecting pipe II 34 and the distribution box 19 is sealed by the piston disc II 24, so that when the vane II 47 rotates in the sealed power box II 8, external air enters the power box II 8 through the air inlet pipe II 37 through the one-way valve II 38, so that air pressure balance is realized until the liquid inlet pipe I46 and the connecting pipe I33 are communicated when the piston disc I23 rotates to the tail end of the liquid guide groove I25 as shown in figure 3, and the spray nozzle 4 rotates to the left side as shown in (a) of figure 6 at this time, an iron block I49 triggers a magnetic sensor I50, at the moment, a time delay relay I is electrified to generate suction force after attracting an electromagnet I55, the suction force drives a spray head 4 to continuously rotate leftwards until an iron rod I53 is attracted to the electromagnet I55 as shown in (b) of figure 6, the time delay relay I is powered off after a certain time delay, at the moment, the spray head 4 can rotate in a return stroke, the connection of the connection pipe I33, a liquid inlet pipe I46 and a power box I7 is closed through the attraction of the electromagnet I55, as shown in figure 4, a piston disc I23 rotates to enable a connection port of the connection pipe I33, the liquid inlet pipe I46 and the power box I7 to be closed, a liquid guide groove II 26 rotates to enable a head end of the liquid guide groove II 26 to be just communicated with a liquid inlet pipe II 48, deicing liquid in a deicing liquid infusion pipeline enters the liquid guide groove II 26 through the liquid inlet pipe II 34 and then enters the power box II 8 through the connection pipe II 34, and therefore blades II 47 are pushed to rotate clockwise, then, deicing fluid pushes away a one-way valve IV 43 through a liquid outlet pipe II 42 and then enters a spray head 4 to be sprayed onto the road surface, blades II 47 rotate clockwise, so that a rotating shaft II 13 rotates clockwise, the spray head 4 is driven to rotate from left to right through a meshed sector gear I5 and a meshed gear II 14, and the deicing fluid in the liquid outlet pipe II 42 cannot enter a power box I7 through a liquid outlet pipe I40 under the action of a one-way valve III 41. The rotating shaft II 13 rotates clockwise, the rotating shaft III 16 is driven to rotate anticlockwise through the meshed gear III 15 and gear IV 18, the rotating shaft IV 20 is driven to rotate anticlockwise through the synchronous belt I29, therefore, the piston disc I23 and the piston disc II 24 are driven to rotate anticlockwise all the time, when the rotating shaft IV 20 rotates, the rotating shaft I9 is driven to rotate anticlockwise through the synchronous belt II 31, because a connecting port between the connecting pipe I33 and the distribution box 19 is sealed by the piston disc I23, when the blade I45 rotates in the closed power box I7, external air enters the power box I7 through the air inlet pipe I35 through the one-way valve I36, air pressure balance is realized, until as shown in figure 5, when the piston disc II 24 rotates to the tail end of the liquid guide groove II 26 to conduct the connecting pipe II 34 and the liquid inlet pipe II 48, at the moment, the spray head 4 rotates to the right side as shown in (a) of figure 7, the iron block II 51 triggers the magnetic sensor II 52, at the moment, the electromagnet II 56 is electrified after the time delay relay II is attracted to generate attraction, the nozzle 4 is driven to continuously rotate rightwards by utilizing the attraction until the iron rod II 54 is attracted to the electromagnet II 56 as shown in (b) of the attached drawing 7, the time delay relay II is powered off after a certain time delay, the nozzle 4 can rotate in a return stroke at the moment, the state as shown in the attached drawing 2 is achieved through the attraction of the electromagnet I56, and the piston disc I23 rotates to the head end of the liquid guide groove I25 to communicate the connecting pipe I33 with the liquid inlet pipe I46. The circular motion is realized, and the spray head 4 can rotate left and right.
Claims (6)
1. The utility model provides a bridge road is with rotatable formula deicing fluid shower nozzle which characterized in that includes:
the device comprises a base (1) which is arranged on the road side of a bridge, wherein the front end of the base (1) is rotatably provided with a main shaft (2) through a bearing I (3), the main shaft (2) is arranged along the vertical direction, a spray head (4) is fixed on the main shaft (2), a sector gear I (5) is arranged on the main shaft (2) below the spray head (4), and a sector gear II (6) is arranged on the main shaft (2) above the spray head (4);
the power box II (8) is fixed on the base (1), a rotating shaft II (13) is rotatably installed in the power box II (8) through a bearing II (10), the rotating shaft II (13) is parallel to the main shaft (2), a plurality of blades II (47) are arranged on the rotating shaft II (13) at intervals along the circumferential direction, the upper end and the lower end and the outer side end of each blade II (47) are in sliding friction contact with the inner wall of the inner cavity of the power box II (8), a gear II (14) is arranged at the lower end of the rotating shaft II (13), and the gear II (14) is meshed with the sector gear I (5);
the power box I (7) is fixed on the base (1) and located right above the power box II (8), a rotating shaft I (9) is rotatably installed in the power box I (7) through a bearing II (10), the rotating shaft I (9) is parallel to the main shaft (2), a plurality of blades I (45) are arranged on the rotating shaft I (9) at intervals in the circumferential direction, the upper end and the lower end and the outer end of each blade I (45) are in sliding friction contact with the inner wall of an inner cavity in the power box I (7), a gear I (12) is arranged at the upper end of the rotating shaft I (9), and the gear I (12) is meshed with the sector gear II (6);
a liquid distribution device arranged on the base (1), one end of a connecting pipe I (33) is connected with the liquid distribution device, the other end of the connecting pipe I is connected with the rear side end of a power box I (7), one end of a connecting pipe II (34) is connected with the liquid distribution device, the other end of the connecting pipe II is connected with the front side end of a power box II (8), the front side end of the power box I (7) is respectively provided with a liquid outlet pipe I (40) and an air inlet pipe I (35), the air inlet pipe I (35) is provided with a one-way valve I (36), the one-way valve I (36) enables air to flow from the outside to the power box I (7) in a one-way mode, the rear side end of the power box II (8) is respectively provided with an air inlet pipe II (37) and a liquid outlet pipe II (42), the air inlet pipe II (37) is provided with a one-way valve II (38), the one-way valve II (38) enables air to flow from the outside to the power box II (8), the liquid outlet pipe I (40) is provided with a one-way valve (41), the one-way valve III (41) enables liquid in the power box I (7) to be conveyed to the spray head (4) in a one-way mode, the liquid outlet pipe II (42) is provided with a one-way valve IV (43), and the one-way valve IV (43) enables liquid in the power box II (8) to be conveyed to the spray head (4) in a one-way mode; and
the other end of the liquid outlet pipe I (40) is connected to a first connecting end of the tee joint (39), the other end of the liquid outlet pipe II (42) is connected to a second connecting end of the tee joint (39), and a third connecting end of the tee joint (39) is connected to the spray head (4) through a hose (44); when the liquid distribution device conveys deicing liquid in a deicing liquid infusion pipeline to the power box I (7) through the connecting pipe I (33), the deicing liquid drives the blades I (45) to rotate anticlockwise, and the spray head (4) rotates to the leftmost end from the left side, the liquid distribution device drives the deicing liquid in the deicing liquid infusion pipeline to drive the blades II (47) to rotate clockwise through the connecting pipe II (34) until the spray head (4) rotates to the rightmost end from the right side;
the liquid distribution device comprises a distribution box (19), a rotating shaft IV (20) rotatably arranged in the distribution box (19) through a bearing IV (21), a piston disc I (23) arranged on the rotating shaft IV (20), a piston disc II (24) arranged on the rotating shaft IV (20) and positioned at the lower end of the piston disc I (23) and a synchronous driving mechanism, when the rotating shaft I (9) and the rotating shaft II (13) rotate, the rotating shaft IV (20) is driven to rotate along the anticlockwise direction through the synchronous driving mechanism, a liquid guide groove I (25) is arranged on the piston disc I (23) along the circumferential direction, a liquid guide groove II (26) is arranged on the piston disc II along the circumferential direction, one end of a liquid inlet pipe I (46) is connected with a deicing liquid infusion pipeline, the other end of the liquid inlet pipe I is connected with the distribution box (19), one end of a connecting pipe I (33) is connected with the rear side end of a power box I (7), and the other end of the connecting pipe I is connected with the distribution box (19), one end of a liquid inlet pipe II (48) is connected with the deicing liquid infusion pipeline, the other end of the liquid inlet pipe II (48) is connected with a distribution box (19), one end of a connecting pipe II (34) is connected with the front side end of a power box II (8), the other end of the connecting pipe II (34) is connected with the distribution box (19), when a piston disc I (23) rotates to a liquid guide groove I (25) to conduct a liquid inlet pipe I (46) and a connecting pipe I (33), the liquid inlet pipe II (48) is not conducted with the connecting pipe II (34), when the piston disc II (24) rotates to a liquid guide groove II (26) to conduct the liquid inlet pipe II (48) and the connecting pipe II (34), the liquid inlet pipe I (46) is not conducted with the connecting pipe I (33), the steering auxiliary device is further included, when the liquid guide groove I (25) rotates to the tail end to conduct the liquid inlet pipe I (46) and the connecting pipe I (33), the head end of the liquid guide groove II (26) is not communicated with the liquid inlet pipe II (48) and the connecting pipe II (34), the auxiliary device acts to enable the piston disc I (23) and the piston disc II (24) to rotate until the head end of the liquid guide groove II (26) is communicated with the liquid inlet pipe II (48) and the connecting pipe II (34), the liquid guide groove I (25) is not communicated with the liquid inlet pipe I (46) and the connecting pipe I (33), when the liquid guide groove II (26) rotates to the tail end to communicate the liquid inlet pipe II (48) with the connecting pipe II (34), the head end of the liquid guide groove I (25) is not communicated with the liquid inlet pipe I (46) and the connecting pipe I (33), the auxiliary device acts to enable the piston disc I (23) and the piston disc II (24) to rotate until the head end of the liquid guide groove I (25) is communicated with the liquid inlet pipe I (46) and the connecting pipe I (33), and the liquid guide groove II (26) is not communicated with the liquid inlet pipe II (48) and the connecting pipe II (34).
2. The rotatable deicing fluid nozzle for bridge and road according to claim 1, wherein: the synchronous driving mechanism comprises a synchronous pulley IV (32) arranged at the upper end of a rotating shaft IV (20), a synchronous pulley II (28) arranged at the lower end of the rotating shaft IV (20), a synchronous pulley III (30) arranged on a rotating shaft I (9), a rotating shaft III (16) rotatably arranged in a base (1) through a bearing III (17), a gear IV (18) and a synchronous pulley I (27) arranged on the rotating shaft III (16) and a gear III (15) arranged on the rotating shaft II (13), wherein the gear III (15) is meshed with the gear IV (18), the synchronous pulley III (30) is in transmission connection with the synchronous pulley IV (32) through a synchronous belt II (31), and the synchronous pulley I (27) is in transmission connection with the synchronous pulley II (28) through a synchronous belt I (29).
3. The rotatable deicing fluid nozzle for bridge and road according to claim 1, wherein: and a rotary seal I (11) is arranged at the connecting part between the power box I (7) and the bearing II (10).
4. The rotatable deicing fluid nozzle for bridge and road according to claim 1, wherein: and a rotary seal I (11) is arranged at the connecting part between the power box II (8) and the bearing II (10).
5. The rotatable deicing fluid nozzle for bridge and road according to claim 2, wherein: and a rotary seal II (22) is arranged at the connecting part between the distribution box (19) and the rotating shaft IV (20).
6. The rotatable deicing fluid nozzle for bridge and road according to claim 2, wherein: turn to auxiliary device including installing in iron set I (53) of shower nozzle (4) left side end, installing in iron set II (54) of shower nozzle (4) right side end and installing in electro-magnet I (55) of base (1) left side end and installing in electro-magnet II (56) of base (1) right side end, install iron plate I (49) on piston dish I (23), install magnet II (51) on piston dish II (24), install magnetic sensor I (50) and magnetic sensor II (52) on distributor box (19), electro-magnet I (55) are connected in the power through time delay relay I, and electro-magnet II (56) are connected in the power through time delay relay II, and magnetic sensor I (50) are connected in the control end of relay I, and magnetic sensor II (52) are connected in the control end of relay II, rotate to the left when shower nozzle (4) make liquid guide groove I (25) rotate to the tail end and feed liquor pipe I (46) and connecting pipe I (33) switch on mutually The iron block I (49) triggers the magnetic sensor I (50), the time delay relay I enables the electromagnet I (55) to be electrified to enable an iron rod I (53) to be attracted to be in contact with the electromagnet I (55), the piston disc II (24) rotates to the head end of the liquid guide groove II (26) to be communicated with the liquid inlet pipe II (48) and the connecting pipe II (34), when the spray head (4) rotates rightwards to enable the liquid guide groove II (26) to rotate to the tail end to enable the liquid inlet pipe II (48) to be communicated with the connecting pipe II (34), the magnet II (51) triggers the magnetic sensor II (52), the time delay relay II enables the electromagnet II (56) to be electrified to enable the iron rod II (54) to be attracted to be in contact with the electromagnet II (56), and the piston disc I (23) rotates to enable the head end of the liquid guide groove I (25) to be communicated with the liquid inlet pipe I (46) and the connecting pipe I (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010649247.1A CN111851389B (en) | 2020-07-08 | 2020-07-08 | Rotatable deicing fluid spray head for bridge road |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010649247.1A CN111851389B (en) | 2020-07-08 | 2020-07-08 | Rotatable deicing fluid spray head for bridge road |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111851389A CN111851389A (en) | 2020-10-30 |
| CN111851389B true CN111851389B (en) | 2021-08-17 |
Family
ID=73152028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010649247.1A Active CN111851389B (en) | 2020-07-08 | 2020-07-08 | Rotatable deicing fluid spray head for bridge road |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111851389B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH633599A5 (en) * | 1977-10-11 | 1982-12-15 | Nielsen Niels J O | SALT AND / OR SAND SPREADER. |
| GB0602418D0 (en) * | 2005-11-30 | 2006-03-22 | Yuan Mei Corp | Spray oscillating control apparatus for sprinklers |
| CN204208694U (en) * | 2014-11-05 | 2015-03-18 | 王金勇 | A kind of can 360 degree rotate energy savers |
| CN107059756A (en) * | 2017-05-31 | 2017-08-18 | 中路天成（北京）交通科技有限公司 | A kind of automatic rotary dispensing device |
| DE202017107399U1 (en) * | 2017-12-05 | 2017-12-20 | Gmeiner Gmbh | Spreader for spreading vehicles |
| CN209934350U (en) * | 2019-09-29 | 2020-01-14 | 李艳艳 | Be used for municipal dust fall environment-friendly device |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB876561A (en) * | 1959-03-30 | 1961-09-06 | W R Ames Company | Improvements in boom sprinklers |
| DE3035360C2 (en) * | 1980-09-19 | 1982-12-30 | Willy 7715 Bräunlingen Küpper | Spreading vehicle with spreading devices for granulated and liquid thawing substances |
| IT1214095B (en) * | 1987-06-11 | 1990-01-10 | Arno Drechsel | SELF-REGULATING SWING ARM IRRIGATOR |
| KR100962520B1 (en) * | 2008-05-29 | 2010-06-14 | 세메스 주식회사 | Apparatus for spraying a chemical and apparatus for processing a substrate including the same |
| CN201404895Y (en) * | 2009-04-09 | 2010-02-17 | 青岛华普喷泉科技有限公司 | Water-driven seagull fountain |
| CN201660931U (en) * | 2010-02-05 | 2010-12-01 | 厦门松霖科技有限公司 | Automatically swinging wall socket |
| CN102500484B (en) * | 2011-11-09 | 2015-04-08 | 厦门建霖工业有限公司 | Swinging deformation shower nozzle |
| CN103736609B (en) * | 2013-12-23 | 2016-05-25 | 江苏大学 | A kind of adjustable hydro powered rotating sprinkler of rotating speed and speed regulating method |
| CN208032904U (en) * | 2018-01-25 | 2018-11-02 | 上海为绿景观建设有限公司 | A kind of swing type fountain apparatus |
| CN208415184U (en) * | 2018-06-21 | 2019-01-22 | 大成（济南）路桥科技有限公司 | A kind of electronic rotation flusher |
| CN209866382U (en) * | 2018-12-27 | 2019-12-31 | 厦门建霖健康家居股份有限公司 | Swinging water outlet device |
-
2020
- 2020-07-08 CN CN202010649247.1A patent/CN111851389B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH633599A5 (en) * | 1977-10-11 | 1982-12-15 | Nielsen Niels J O | SALT AND / OR SAND SPREADER. |
| GB0602418D0 (en) * | 2005-11-30 | 2006-03-22 | Yuan Mei Corp | Spray oscillating control apparatus for sprinklers |
| CN204208694U (en) * | 2014-11-05 | 2015-03-18 | 王金勇 | A kind of can 360 degree rotate energy savers |
| CN107059756A (en) * | 2017-05-31 | 2017-08-18 | 中路天成（北京）交通科技有限公司 | A kind of automatic rotary dispensing device |
| DE202017107399U1 (en) * | 2017-12-05 | 2017-12-20 | Gmeiner Gmbh | Spreader for spreading vehicles |
| CN209934350U (en) * | 2019-09-29 | 2020-01-14 | 李艳艳 | Be used for municipal dust fall environment-friendly device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111851389A (en) | 2020-10-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109743479B (en) | Self-cleaning high-speed surveillance camera head | |
| CN204383465U (en) | Railway car full-automatic water feeding device | |
| CN111851389B (en) | Rotatable deicing fluid spray head for bridge road | |
| CN113440959A (en) | Building site dust device | |
| CN108482412A (en) | A kind of anti-accumulated snow guiding device of adjustable train | |
| CN107521457B (en) | A kind of new automobile windscreen wiper system | |
| CN100409948C (en) | Rotary water sprayer | |
| CN102962152B (en) | A kind of bi-directional synchronization fluid jet nozzle | |
| CN104399612A (en) | Jet type spray head double-limiting reversing mechanism | |
| CN102661432B (en) | Large flow mechanical self-controlling valve for irrigating paddy fields | |
| US2520650A (en) | Accessory system operable from a fluctuating pressure source with a normally by-passed secondary source | |
| CN114922256A (en) | Anti-freezing type building water supply and drainage system for low-temperature environment | |
| CN111011172B (en) | Park urban afforestation irrigation system | |
| CN210671575U (en) | Water conservancy equipment for water-saving irrigation | |
| CN114687720A (en) | 175MPa high-pressure large-drift-diameter fracturing manifold | |
| EP1790891B1 (en) | Dispensing apparatus | |
| CN203438531U (en) | Continuously and circularly operating cooling device for plastic pipe molds | |
| CN209174178U (en) | A kind of self-cleaning nozzle | |
| CN111391788A (en) | Pneumatic rotary type automobile windshield wiper | |
| CN211665522U (en) | Highway road surface cutting device | |
| CN211231702U (en) | T-shaped mud discharging ball valve with quick-opening pneumatic actuator | |
| CN114263259B (en) | Buried square wear-resistant reinforced pipe for drainage | |
| CN219673401U (en) | Ball cage valve for high-pressure slurry pump | |
| CN217810761U (en) | Vehicle-mounted snow-melting agent spraying machine | |
| CN217081501U (en) | Dome valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No.99, north extension line, 2nd Ring West Road, Tianqiao District, Jinan City, Shandong Province Patentee after: Shandong high speed maintenance Group Co.,Ltd. Address before: No.99, north extension line, 2nd Ring West Road, Huaiyin District, Jinan City, Shandong Province Patentee before: SHANDONG GAOSU LOAD AND BRIDGE MAINTENANCE Co.,Ltd. |