CN113512928A - Multi-functional road surface maintenance engineering machinery vehicle of road engineering - Google Patents
Multi-functional road surface maintenance engineering machinery vehicle of road engineering Download PDFInfo
- Publication number
- CN113512928A CN113512928A CN202111071742.XA CN202111071742A CN113512928A CN 113512928 A CN113512928 A CN 113512928A CN 202111071742 A CN202111071742 A CN 202111071742A CN 113512928 A CN113512928 A CN 113512928A
- Authority
- CN
- China
- Prior art keywords
- air
- connecting rod
- self
- guiding
- backup pad
- 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.)
- Granted
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/09—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges
- E01C23/0966—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges for filling or priming, with or without working the surface of the filling or applying particulate material thereto, e.g. for filling the joints of stone-sett paving
- E01C23/0973—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges for filling or priming, with or without working the surface of the filling or applying particulate material thereto, e.g. for filling the joints of stone-sett paving with liquid or semi-liquid materials, e.g. crack sealants
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/10—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for raising or levelling sunken paving; for filling voids under paving; for introducing material into substructure
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention discloses a multifunctional road maintenance engineering mechanical vehicle for a road engineering, which comprises a movable vehicle body, a material containing barrel, an air pump air compressor, a sedimentation air conveying hose, a boosting material air conveying hose, a feeding air conveying hose, a self-guiding air-guide rapid sedimentation guide assembly and a pulse type air hammer boosting material assembly. The invention belongs to the technical field of pavement maintenance and repair, and particularly provides a multifunctional pavement maintenance engineering mechanical vehicle for road engineering, which has the advantages that the flowing speed of micro air flow in cracks is higher than that of the tops of the cracks, pressure difference is formed between the tops of the cracks and the bottoms of the cracks, so that a cold crack pouring agent is sunk into the cracks and is poured along with the cold crack pouring agent, an air flow channel is reduced, the gas flow speed is further increased, the pressure difference is increased, the settlement is accelerated, the cold crack pouring agent rapidly passes through the cracks and reaches the bottoms of the cracks, the cold crack pouring agent is led out in a pulse mode, the smooth blanking can be ensured, the settlement speed of the cold crack pouring agent can be accelerated by means of the impulsive force of the cold crack pouring agent, and the problem of settlement of the cold crack pouring agent in the tiny cracks is effectively solved.
Description
Technical Field
The invention belongs to the technical field of pavement maintenance and repair, and particularly relates to a multifunctional pavement maintenance engineering mechanical vehicle for a road engineering.
Background
There are many reasons for cracking of asphalt pavement of highway, among which the driving load and the temperature variation of asphalt surface layer are the main reasons for cracking. Under the action of wheel load, when the tensile stress produced at the bottom of the pavement structure layer is greater than the tensile strength of the material, the pavement can produce structural failure cracks, and temperature cracks produced due to the temperature change of the asphalt surface layer comprise low-temperature shrinkage cracks and temperature fatigue cracks.
Cracks appear on common asphalt pavements, and need to be repaired in time, otherwise, the cracks continue to deteriorate and form pits. The cold crack pouring agent for asphalt pavement is a novel product for asphalt pavement crack pouring, and is mainly used for timely pouring and repairing the crack of the asphalt pavement, and can also be used for repairing the crack of cement concrete pavement and filling the expansion joint, when the crack is small, a scraper blade or a mud knife is needed to scrape and smear materials to the crack part, and soil pores existing in soil layers on two sides of the crack easily absorb the cold crack pouring agent for asphalt pavement to prevent the cold crack pouring agent for asphalt pavement from sinking, so that the cold crack pouring agent for asphalt pavement does not effectively reach the bottom of the crack within a limited time, and is condensed, and the cold crack pouring agent has poor settling effect when repairing the tiny crack of asphalt pavement, and has poor repairing effect of the asphalt pavement, manpower waste and low working efficiency.
Therefore, a multifunctional road surface maintenance engineering mechanical vehicle for road engineering, which can effectively solve the problem of settlement of the cold crack pouring agent in the fine cracks, is urgently needed.
Disclosure of Invention
Aiming at the situation and overcoming the defects of the prior art, the invention provides the multifunctional road engineering maintenance mechanical vehicle, which has the advantages that micro air flows transversely in the crack, and the flow velocity of the micro air flows in the crack is larger relative to the atmosphere at the top of the crack, so that the pressure difference is formed between the top of the crack and the bottom of the crack, the cold crack pouring agent can be quickly sunk into the crack and poured along with the cold crack pouring agent, the air flow channel is reduced, the air flow velocity is further increased, the pressure difference is increased, the sedimentation is accelerated, and compared with the conventional operation, the scheme can ensure that the cold crack pouring agent quickly passes through the crack and reaches the bottom of the crack, thereby being beneficial to improving the repairing effect; meanwhile, the cold crack pouring agent has certain viscosity, and the cold crack pouring agent is guided out in a pulse mode through the pulse type air hammer boosting material assembly, so that smooth blanking can be guaranteed, the settling speed of the cold crack pouring agent can be accelerated by means of the impact force of the cold crack pouring agent, and the settling problem of the cold crack pouring agent in small cracks is effectively solved.
The technical scheme adopted by the invention is as follows: the invention relates to a multifunctional road maintenance engineering mechanical vehicle for road engineering, which comprises a movable vehicle body, a material containing barrel, an air pump air compressor, a sedimentation air delivery hose, a boosting material air delivery hose, a feeding air delivery hose, a self-guiding air-guiding rapid sedimentation guide assembly and a pulse type air hammer boosting assembly, wherein the material containing barrel, the air pump air compressor, the self-guiding air-guiding rapid sedimentation guide assembly and the pulse type air hammer boosting assembly are arranged on the movable vehicle body, the self-guiding air-guiding rapid sedimentation guide assembly is arranged at one end of the movable vehicle body, the self-guiding air-guiding rapid sedimentation guide assembly is connected with the air pump air compressor through the sedimentation air delivery hose, the pulse type air hammer boosting assembly is arranged at one end of the movable vehicle body, which is far away from the self-guiding air-guiding rapid sedimentation guide assembly, the pulse type air hammer boosting assembly is connected with the air pump air compressor through the boosting material air delivery hose, the pulse type air hammer boosting assembly is communicated with the material containing barrel through the feeding air delivery hose, the self-guiding air-guide rapid sedimentation guide assembly automatically tracks the trend of cracks to perform crack pouring, micro air flow is used for transversely flowing in the cracks to generate pressure difference, meanwhile, the characteristic that air is insoluble in cold crack pouring agent is used for enabling the cold crack pouring agent to quickly reach the bottoms of the cracks under the action of the pressure difference and the self weight of the cold crack pouring agent, the adsorption force of soil pores is overcome, the cold crack pouring agent quickly reaches the bottoms of the cracks, the pulse type air hammer boosting assembly can form an air hammer in a pulse mode to push the cold crack pouring agent in the material containing barrel to be blanked, smooth blanking is guaranteed, and the sedimentation speed of the cold crack pouring agent can be accelerated by means of the impulse of the cold crack pouring agent.
Furthermore, the pulse type air hammer boosting component comprises a support column, a flip type air bag fixing cavity, an air bag and a pulse air hammer forming driving piece, wherein the support column is arranged on the movable vehicle body, the flip type air bag fixing cavity is arranged at the top of the support column, the air bag is embedded in the flip type air bag fixing cavity in a clamping manner, one end of the air bag is connected with a boosting material air conveying hose, the other end of the air bag is connected with a feeding air conveying hose, a one-way valve I is arranged on the boosting material air conveying hose and controls the flow direction of air flow in the boosting material air conveying hose so that the boosting material air conveying hose can only supply air to the air bag and air flow in the air bag cannot flow out of the boosting material air conveying hose, a one-way valve II is arranged on the feeding air conveying hose and controls the flow direction of air flow in the feeding air conveying hose so that the air flow in the air bag can be discharged outwards from the feeding air conveying hose and the feeding air conveying hose cannot supply air to the air bag, pulse air hammer forms the driving piece and locates the fixed chamber below of flip formula gasbag on the support column, the support column forms the driving piece to pulse air hammer and supports fixedly, pulse air hammer forms the driving piece and is connected with the fixed chamber of flip formula gasbag, pulse air hammer forms the driving piece and carries out periodic pulsed hammering to the gasbag, the air pump air compressor machine pushes away material gas transmission hose to the gasbag air feed through helping, check valve one opens, check valve two closes, it is gaseous to make the gasbag be full of, pulse air hammer forms the periodic pulsed of driving piece and beats the gasbag, form the air hammer, promote the material unloading in the containing bucket, cold crack agent pulsed derivation in the containing bucket helps accelerating the settling velocity.
Preferably, the pulse air hammer forming driving part comprises a driving support plate, a sliding support plate, a driving motor, a rotating shaft, a rotating disc and a sliding column, wherein the driving support plate and the sliding support plate are respectively arranged on the side wall of the support column, the sliding support plate is arranged above the driving support plate, the driving motor is arranged on the bottom wall of the driving support plate, the bottom of the rotating shaft is rotatably arranged on the driving support plate, the rotating shaft is coaxially connected with the output end of the driving motor, the rotating disc is coaxially arranged at the top of the rotating shaft, the rotating disc is arranged below the sliding support plate, the top wall of the rotating disc is provided with an annular limiting sliding groove, spiral extension steep ladder stands are uniformly distributed in the limiting sliding groove at equal intervals, the spiral extension steep ladder stands are distributed around the circumference of the rotating shaft in an array manner, the upper wall of the spiral extension steep ladder stand is arranged in an inclined plane, and one side of the spiral extension steep ladder stand is connected with the limiting sliding groove in a slope manner, the other side of the spiral-extending steep-falling crawling ladder is vertically connected with a limiting sliding chute, the sliding column penetrates through a sliding support plate in a sliding mode, the bottom end of the sliding column is arranged in the limiting sliding chute in a sliding mode, the bottom end of the sliding column is in contact with the bottom wall of the limiting sliding chute, the bottom end of the sliding column is of a hemispherical structure, a driving motor operates to drive a rotary disc to rotate, the rotary disc rotates to drive the spiral-extending steep-falling crawling ladder to rotate, the sliding column is limited by the sliding support plate to only move up and down, therefore when the spiral-extending steep-falling crawling ladder rotates, the sliding column slides through the spiral-extending steep-falling crawling ladder along one side, connected with the slope of the limiting sliding chute, of the spiral-extending steep-falling crawling ladder to drive the sliding column to lift up, the air bag is rapidly hammered, the first check valve is closed, the second check valve is opened, the air bag is hammered by the sliding column to enable air in the air bag to enter the material containing barrel along a material conveying hose to press the cold caulking agent in the material containing barrel to flow into a crack in an accelerated impact type outflow guide way, the cold crack pouring agent has a certain impulse when flowing out, the cold crack pouring agent is accelerated to settle into cracks, and the air bag is hammered by driving the sliding column to periodically and impulsively move up and down through the multiple groups of uniformly distributed spiral extending and steep descending crawling ladders so as to drive the cold crack pouring agent to periodically and impulsively guide the cold crack pouring agent into the cracks.
The side wall of the flip type air bag fixing cavity is symmetrically provided with openings, the openings can facilitate the pushing-assisted material and gas conveying hoses and the feeding gas conveying hoses to be connected with the air bags respectively, a through hole is formed in the bottom wall of the flip type air bag fixing cavity, the sliding column is arranged right below the through hole, and the sliding column slides up and down along the through hole to beat the air bags.
As a preferable scheme of the self-guiding air-induced rapid sedimentation guide assembly, the self-guiding air-induced rapid sedimentation guide assembly comprises a folding height adjusting piece, a self-guiding support plate, a self-guiding micro-airflow outlet pipe, a ground-attaching sealing groove and a seam filling head, wherein the folding height adjusting piece is arranged at the bottom of a moving vehicle body, the self-guiding support plate is rotatably arranged at the bottom end of the folding height adjusting piece, the self-guiding micro-airflow outlet pipe is slidably arranged on the self-guiding support plate and is communicated with the lower end of a sedimentation gas delivery hose, the transverse section of the self-guiding micro-airflow outlet pipe is of a triangular structure, the triangular structure is beneficial to the self-guiding micro-airflow outlet pipe to slide along a seam so as to drive the self-guiding support plate to rotate, so that the self-guiding micro-airflow outlet pipe automatically adjusts the direction along with the trend of the seam and drives the self-guiding support plate to rotate to adapt to the trend of the seam when moving along a curved seam, the self-guiding micro-air outflow air pipe comprises a vertical straight pipe section and a bent pipe section, the vertical straight pipe section is arranged on a self-guiding support plate in a sliding mode, the bent pipe section is arranged below the vertical straight pipe section, the outlet of the bent pipe section is horizontally arranged to ensure that air is horizontally discharged, a ground-attaching sealing groove is formed in the bottom wall of the self-guiding support plate, an air pipe is communicated with the top of the ground-attaching sealing groove and penetrates through the top of the self-guiding support plate, the air pipe is conveniently communicated with external air through the ground-attaching sealing groove, a seam filling head is arranged in the ground-attaching sealing groove, a material conveying pipe is communicated between the seam filling head and a material containing barrel, when the seam filling agent is used for cold filling of a crack, the self-guiding micro-air outflow air pipe is firstly inserted into the crack, air is supplied to the self-guiding micro-air outflow air pipe through an air pump air compressor, air is transversely discharged from the bottom end of the self-guiding micro-air outflow air pipe and flows in the crack, and the ground-attaching sealing groove keeps pressure balance with the external air through the air pipe, thereby form pressure differential between ground seal groove and crack inside, cold crack pouring agent is derived from the crack pouring head, the water conservancy diversion is to in the crack, under the effect of pressure differential and dead weight, cold crack pouring agent can subside to the crack bottom rapidly, under self ductility and strong bonding nature effect, repair the crack, move the automobile body and remove along the crack trend is ordered about, during the crack is inserted all the time to the little air current outlet duct of self-steering, in removing the automobile body removal in-process, little air current outlet duct of self-steering can drive the self-steering backup pad and rotate the adaptation crack trend, make the crack pouring head aim at the crack and pour cold crack pouring agent.
Preferably, a rack is arranged on a vertical straight pipe section of the self-guiding micro-airflow outlet pipe, a lifting motor is arranged on the self-guiding supporting plate, an incomplete gear is arranged at the output end of the lifting motor, the incomplete gear is meshed with the rack and drives the incomplete gear to rotate, when teeth of the incomplete gear are meshed with the rack, the incomplete gear drives the self-guiding micro-airflow outlet pipe to ascend through the rack, so that the outlet end of the self-guiding micro-airflow outlet pipe is close to the top of a crack, when the crack is initially filled, the cold crack filling agent is mostly positioned at the top of the crack, if the outlet of the self-guiding micro-airflow outlet pipe is too low, rapid airflow is difficult to form at the top of the crack, and the cold crack filling agent is not prone to sink, therefore, in an initial state, the incomplete gear limits the self-guiding micro-airflow outlet pipe through the rack so that the outlet of the self-guiding micro-airflow outlet pipe descends from the upper end of the crack, when the teeth of the incomplete gear rotate to be not meshed with the rack, the self-guiding micro airflow air outlet pipe automatically slides downwards under the action of gravity and descends along with the descending of the cold crack pouring agent, so that a quick airflow channel is formed at the bottom end of the cold crack pouring agent, the cold crack pouring agent is guided to descend by virtue of airflow, and under the action of pressure difference, self weight and impulse, the cold crack pouring agent quickly passes through a crack and reaches the bottom of the crack.
As a further improvement of the scheme, the foldable height adjusting piece comprises a first connecting rod, a second connecting rod, a third connecting rod, a fourth connecting rod, a fifth connecting rod and a hydraulic rod, wherein one end of the first connecting rod is hinged on the bottom wall of the movable vehicle body, the end part of the fourth connecting rod is hinged with the other end of the first connecting rod, one end of the third connecting rod is hinged with the middle part of the first connecting rod, the end part of the second connecting rod is hinged with the other end of the third connecting rod, the middle part of the second connecting rod is hinged with one end of the fourth connecting rod, which is far away from the first connecting rod, the first connecting rod and the second connecting rod are arranged in parallel, the third connecting rod and the fourth connecting rod are arranged in parallel, the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod form a parallelogram structure, one end of the fifth connecting rod is hinged on the bottom wall of the movable vehicle body, the other end of the fifth connecting rod is hinged on the connecting point of the third connecting rod and the second connecting rod, one end of the hydraulic rod is hinged on the bottom wall of the movable vehicle body, the other end of the hydraulic rod is hinged to the side wall of the connecting rod V, the connecting rod V is driven to deflect by means of the expansion of the hydraulic rod, and therefore a parallelogram structure enclosed by the connecting rod I, the connecting rod II, the connecting rod III and the connecting rod IV is unfolded to drive the self-guide supporting plate to descend, so that the ground-sticking sealing groove sticks to the ground for crack pouring.
Preferably, the bottom wall of the moving vehicle body is provided with a containing groove, the top ends of the first connecting rod, the fifth connecting rod and the hydraulic rod are respectively hinged in the containing groove, when the moving vehicle body is not used, the hydraulic rod can be controlled to shrink, the folding height adjusting piece is folded and contained in the containing groove, and the moving vehicle body is convenient to move.
In order to meet the requirements of different working conditions, a first pressure regulating valve is arranged on the sedimentation gas conveying hose, a second pressure regulating valve is arranged on the boosting material gas conveying hose, and the outlet pressures of the sedimentation gas conveying hose and the boosting material gas conveying hose are regulated by means of the first pressure regulating valve and the second pressure regulating valve.
As a further improvement of the scheme, the top of the containing barrel is provided with a stirring motor, a stirring paddle is arranged in the containing barrel and connected with the stirring motor, a feed inlet is formed in the side wall of the containing barrel, a sealing cover is arranged on the feed inlet, the stirring motor drives the stirring paddle to rotate, the cold crack pouring agent in the containing barrel can be prevented from settling and layering, the sealing cover is arranged on the feed inlet, the containing barrel can be kept airtight, and the pulse type air hammer boosting material assembly can be used for conveniently pushing the cold crack pouring agent to discharge.
The invention with the structure has the following beneficial effects: the scheme is that the multifunctional road surface maintenance engineering mechanical vehicle for the road engineering utilizes micro air flow to transversely flow in a crack to form rapid air flow, an air pipe on a sealing groove attached to the ground is communicated with the outside, so that pressure difference is formed between the crack and the crack, the cold crack pouring agent is pressed to sink by utilizing the characteristic that the cold crack pouring agent does not dissolve air, a self-guiding micro air flow outlet pipe is lifted and operated, the micro air flow outlet pipe can be matched with the cold crack pouring agent to sink and be adjusted, and the rapid air flow is ensured to be below the cold crack pouring agent; the self-guiding micro-airflow air outlet pipe moves in the crack, and the triangular structure enables the self-guiding support plate to adapt to the adjustment direction along with the trend of the crack, so that the crack pouring head is always attached to the top of the crack, and the crack pouring is accurate; the pulse type air hammer drives the rotary table to rotate by means of the driving motor, the sliding column is intermittently lifted up to hammer the air bag through the spiral delay and rise steep-falling crawling ladder on the rotary table, the air flow pulse type is sent into the material containing barrel by means of the one-way valve I and the one-way valve II, pulse type blanking of the cold crack pouring agent is driven, the cold crack pouring agent is enabled to have certain impulse, the cold crack pouring agent is enabled to rapidly penetrate through the crack and settle to the bottom of the crack by matching with the self weight of the cold crack pouring agent and the pressure difference between the upper portion and the lower portion of the crack, the repairing effect is improved, manual scraping is not needed, manpower is saved, and the efficiency is improved.
Drawings
FIG. 1 is a schematic structural view of a road engineering multifunctional road surface maintenance engineering mechanical vehicle of the present invention;
FIG. 2 is a schematic structural view of a self-guiding air-induced rapid sedimentation material guide assembly;
FIG. 3 is a schematic diagram of a pulsed air hammer forming drive;
FIG. 4 is a side view of the clamshell airbag retainer chamber;
FIG. 5 is a schematic view of the structure of the bladder;
fig. 6 is a schematic structural diagram of a self-guiding micro-airflow outlet pipe.
Wherein, 1, a movable vehicle body, 2, a material containing barrel, 3, an air pump air compressor, 4, a self-guiding air-guiding rapid sedimentation material guiding component, 5, a pulse type air hammer boosting component, 6, a sedimentation air conveying hose, 7, a boosting air conveying hose, 8, a feeding air conveying hose, 9, a folding height adjusting component, 10, a self-guiding support plate, 11, a self-guiding micro air flow outlet pipe, 12, a ground-attaching sealing groove, 13, a filling head, 14, a vertical straight pipe section, 15, a bent pipe section, 16, an air pipe, 17, a material conveying pipe, 18, a support column, 19, a flip type air bag fixing cavity, 20, an air bag, 21 and a pulse air hammer form a driving component, 22, an opening, 23, a through hole, 24, a one-way valve I, 25, a one-way valve II, 26, a connecting rod I, 27, a connecting rod II, 28, a connecting rod III, 29, a connecting rod IV, 30, a connecting rod V, 31, a hydraulic rod, 32, a driving support plate, 33 and a sliding support plate, 34. the device comprises a driving motor 35, a rotating shaft 36, a rotating disc 37, a sliding column 38, a limiting sliding chute 39, a spiral extending and rising steep descending ladder stand 40, a stirring motor 41, a stirring paddle 42, a feeding hole 43, a sealing cover 44, a containing groove 45, a pressure regulating valve I, a pressure regulating valve 46, a pressure regulating valve II, a pressure regulating valve 47, a rack 48, a lifting motor 49 and an incomplete gear.
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the multifunctional road surface maintenance engineering machinery vehicle of the invention comprises a mobile vehicle body 1, a material containing barrel 2, an air pump air compressor 3, a self-guiding air-induced rapid sedimentation guide assembly 4, a pulse type air hammer boosting assembly 5, a sedimentation air conveying hose 6, a boosting material air conveying hose 7 and a feeding air conveying hose 8, wherein the material containing barrel 2, the air pump air compressor 3, the self-guiding air-induced rapid sedimentation guide assembly 4 and the pulse type air hammer boosting assembly 5 are arranged on the mobile vehicle body 1, the self-guiding air-induced rapid sedimentation guide assembly 4 is arranged at one end of the mobile vehicle body 1, the self-guiding air-induced rapid sedimentation guide assembly 4 is connected with the air pump air compressor 3 through the sedimentation air conveying hose 6, the pulse type air hammer boosting assembly 5 is arranged at one end of the mobile vehicle body 1 far away from the self-guiding air-induced rapid sedimentation guide assembly 4, the pulse type air hammer boosting assembly 5 is connected with the air pump air compressor 3 through the boosting air conveying hose 7, the pulse type air hammer auxiliary pushing assembly 5 is communicated with the material containing barrel 2 through a feeding air hose 8.
As shown in fig. 1, 2 and 6, the self-guiding air-induced rapid sedimentation material guiding assembly 4 comprises a folding height adjusting member 9, a self-guiding support plate 10, a self-guiding micro-airflow outlet pipe 11, a ground sealing groove 12 and a crack pouring head 13, wherein the folding height adjusting member 9 is arranged at the bottom of the movable vehicle body 1, the self-guiding support plate 10 is rotatably arranged at the bottom end of the folding height adjusting member 9, the self-guiding micro-airflow outlet pipe 11 is slidably arranged on the self-guiding support plate 10, the self-guiding micro-airflow outlet pipe 11 is communicated with the lower end of the sedimentation gas conveying hose 6, the transverse section of the self-guiding micro-airflow outlet pipe 11 is of a triangular structure, the self-guiding micro-airflow outlet pipe 11 comprises a vertical straight pipe section 14 and a bent pipe section 15, the vertical straight pipe section 14 is slidably arranged on the self-guiding support plate 10, the bent pipe section 15 is arranged below the vertical straight pipe section 14, and the outlet of the bent pipe section 15 is arranged horizontally, paste ground seal groove 12 and locate on the diapire of self-steering backup pad 10, paste ground seal groove 12 and be the setting of lower extreme opening cavity, the top intercommunication of pasting ground seal groove 12 is equipped with trachea 16, trachea 16 runs through the setting of self-steering backup pad 10 top, the cementation of fissures head 13 is located and is pasted in ground seal groove 12, cementation of fissures head 13 and flourishing storage bucket 2 intercommunication are equipped with conveying pipeline 17.
As shown in fig. 1, fig. 3, fig. 4 and fig. 5, the pulse type air hammer boosting component 5 includes a supporting pillar 18, a flip type air bag fixing cavity 19, an air bag 20 and a pulse air hammer forming driving member 21, the supporting pillar 18 is disposed on the mobile vehicle body 1, the flip type air bag fixing cavity 19 is disposed at the top of the supporting pillar 18, an opening 22 is symmetrically disposed on a side wall of the flip type air bag fixing cavity 19, a through hole 23 is disposed on a bottom wall of the flip type air bag fixing cavity 19, the air bag 20 is embedded in the flip type air bag fixing cavity 19, one end of the flip type air bag 20 is connected with the boosting material air hose 7, the other end of the air bag 20 is connected with the feeding air hose 8, a one-way valve one 24 is disposed on the boosting material air hose 7, a one-way valve two 25 is disposed on the feeding air hose 8, the pulse air hammer forming driving member 21 is disposed on the supporting pillar 18 and below the flip type air bag fixing cavity 19, the impulse air hammer forming driving member 21 is connected with the flip type air bag fixing cavity 19.
As shown in fig. 2, the foldable height adjusting member 9 includes a first link 26, a second link 27, a third link 28, a fourth link 29, a fifth link 30 and a hydraulic rod 31, one end of the first link 26 is hinged to the bottom wall of the moving vehicle body 1, one end of the fourth link 29 is hinged to the other end of the first link 26, the middle of the second link 27 is hinged to the other end of the fourth link 29, the end of the third link 28 is hinged to the end of the second link 27, the end of the third link 28 away from the second link 27 is hinged to the middle of the first link 26, the first link 26 and the second link 27 are arranged in parallel, the third link 28 and the fourth link 29 are arranged in parallel, one end of the fifth link 30 is hinged to the bottom wall of the moving vehicle body 1, the other end of the fifth link 30 is hinged to the connection point of the third link 28 and the second link 27, one end of the hydraulic rod 31 is hinged to the bottom wall of the moving vehicle body 1, the other end of the hydraulic rod 31 is hinged on the side wall of the connecting rod five 30, and the self-guiding support plate 10 is rotatably arranged at one end of the connecting rod two 27 far away from the connecting rod three 28.
As shown in fig. 1 and 3, the pulse air hammer forming driving member 21 includes a driving support plate 32, a sliding support plate 33, a driving motor 34, a rotating shaft 35, a rotating disc 36 and a sliding column 37, the driving support plate 32 and the sliding support plate 33 are respectively disposed on the side wall of the supporting column 18, the sliding support plate 33 is disposed above the driving support plate 32, the driving motor 34 is disposed on the bottom wall of the driving support plate 32, the bottom of the rotating shaft 35 is rotatably disposed on the driving support plate 32, the rotating shaft 35 is coaxially connected with the output end of the driving motor 34, the rotating shaft 35 is disposed below the sliding support plate 33, the rotating disc 36 is coaxially disposed at the top of the rotating shaft 35, the top wall of the rotating disc 36 is provided with an annular limiting sliding groove 38, spiral ascending and descending ladder stands 39 are uniformly distributed at equal intervals in the limiting sliding groove 38, the spiral ascending and descending ladder stands 39 are circumferentially arrayed around the rotating shaft 35, spiral extends to rise steep cat ladder 39 upper wall and sets up for the inclined plane, traveller 37 slides and runs through on locating sliding support plate 33, traveller 37's bottom slides and locates in spacing spout 38, traveller 37 bottom and the contact of spacing spout 38 diapire, traveller 37's bottom is the setting of hemisphere structure, traveller 37 locates under through-hole 23.
As shown in fig. 1, a stirring motor 40 is arranged at the top of the material containing barrel 2, a stirring paddle 41 is rotatably arranged in the material containing barrel 2, the stirring paddle 41 is connected with the stirring motor 40, a feeding hole 42 is arranged on the side wall of the material containing barrel 2, and a sealing cover 43 is arranged on the feeding hole 42; the bottom wall of the moving vehicle body 1 is provided with a storage groove 44, and the top ends of the first connecting rod 26, the fifth connecting rod 30 and the hydraulic rod 31 are respectively hinged in the storage groove 44; the sedimentation gas transmission hose 6 is provided with a first pressure regulating valve 45, and the material pushing assisting gas transmission hose 7 is provided with a second pressure regulating valve 46.
As shown in fig. 2 and 6, a rack 47 is arranged on the vertical straight tube section 14 of the self-guiding micro airflow outlet pipe 11, a lifting motor 48 is arranged on the self-guiding support plate 10, an incomplete gear 49 is arranged at an output end of the lifting motor 48, and the incomplete gear 49 is meshed with the rack 47.
When the self-guiding micro-airflow air outlet pipe 11 is used, firstly, cold crack pouring agent is filled into the material containing barrel 2, the sealing cover 43 is closed, the stirring motor 40 is driven to rotate to drive the stirring paddle 41 to rotate, the stirring paddle 41 stirs the material in the material containing barrel 2 to keep the material in the material containing barrel 2 uniform, the hydraulic rod 31 is controlled to extend, the hydraulic rod 31 drives the connecting rod five 30 to deflect, the connecting rod five 30 drives the connecting rod two 27 and the connecting rod one 26 to rotate downwards and unfolds a parallelogram structure formed by the connecting rod one 26, the connecting rod two 27, the connecting rod three 28 and the connecting rod four 29, the ground sealing groove 12 moves downwards to be attached to the road surface until the ground sealing groove 12 covers the crack, the self-guiding micro-airflow air outlet pipe 11 is inserted into the crack, initially, the incomplete gear 49 is meshed with the rack 47 to limit the self-guiding micro-airflow air outlet pipe 11, the lifting motor 48 is controlled to rotate, and the self-guiding micro-airflow air outlet pipe 11 is lifted by the incomplete gear 49, the air outlet end of the self-guiding micro-airflow air outlet pipe 11 is close to the top of the crack, the air pump air compressor 3 is started, the pressure of the material-pushing assisting air conveying hose 7 and the sedimentation air conveying hose 6 is adjusted through a pressure adjusting valve I45 and a pressure adjusting valve II 46, the air bag 20 is inflated through the material-pushing assisting air conveying hose 7, at the moment, the driving motor 34 is started, the driving motor 36 drives the rotary disc 36 to rotate, the rotary disc 36 drives the spiral delay steep-falling ladder 39 to rotate, the sliding column 37 can only move up and down due to the limit of the sliding support plate 33 on the sliding column 37, when the spiral delay steep-falling ladder 39 rotates, the sliding column 37 is pushed to intermittently and pulsingly ascend and slide by the inclined plane of the spiral delay steep-falling ladder 39, when the sliding column 37 ascends, the top of the sliding column 37 penetrates through the through hole 23 to press against the air bag 20, at the moment, the one-way valve I24 is closed, the one-way valve II 25 is opened, the sliding column 37 presses against the air bag 20, air in the air bag 20 is instantly pressed out to the material-containing barrel 2 through the material conveying hose 8, forming an air hammer, feeding the cold crack pouring agent in the material containing barrel 2 into the crack pouring head 13 along the material conveying pipe 17 by utilizing the characteristic that the cold crack pouring agent does not dissolve air, flushing out the cold crack pouring agent from the crack pouring head 13, leading the cold crack pouring agent led out from the crack pouring head 13 to enter the top of the crack, leading the air pump air compressor 3 to convey air into the self-guiding micro airflow outlet pipe 11 through the sedimentation air conveying hose 6, horizontally blowing out the air from the outlet end of the self-guiding micro airflow outlet pipe 11, forming rapid airflow in the crack, further forming a low-pressure area in the crack, finally leading the cold crack pouring agent to rapidly penetrate through the crack to the bottom of the crack under the action of pressure difference at two sides of the crack, controlling the lifting motor 48 to rotate so as to drive teeth on the incomplete gear 49 to rotate to be separated from the rack 47 during crack pouring, and automatically sliding down the self-guiding micro airflow outlet pipe 11 under the action of gravity at the moment so as to ensure that the low-pressure area is always positioned below the cold crack pouring agent, sucking cold crack pouring agent to sink; then the sliding column 37 descends, the one-way valve II 25 controls the feeding and gas transmission hose 8 to be cut off, the one-way valve I24 controls the auxiliary pushing and gas transmission hose 7 to be conducted, the air pump air compressor 3 supplies air to the air bag 20 and controls the lifting motor 48 to rotate reversely, so that the rack 47 is driven to move upwards through the teeth on the incomplete gear 49 and the self-guiding micro-gas flow outlet pipe 11 is driven to move upwards to reset so as to be used next time, the moving vehicle body 1 is driven to move along the direction of the crack and the operation is repeated, and under the action of the self-guiding micro-gas flow outlet pipe 11, the crack pouring head 13 is always aligned with the crack to perform crack pouring operation.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a multi-functional road surface maintenance engineering machine tool car of road engineering which characterized in that: the device comprises a moving vehicle body (1), an air pump air compressor (3), a self-guiding air-guiding rapid sedimentation guide assembly (4) and a pulse type air hammer assisted pushing assembly (5), wherein the air pump air compressor (3), the self-guiding air-guiding rapid sedimentation guide assembly (4) and the pulse type air hammer assisted pushing assembly (5) are arranged on the moving vehicle body (1), the self-guiding air-guiding rapid sedimentation guide assembly (4) is arranged at one end of the moving vehicle body (1), the self-guiding air-guiding rapid sedimentation guide assembly (4) is connected with the air pump air compressor (3), the pulse type air hammer assisted pushing assembly (5) is arranged at one end, far away from the self-guiding air-guiding rapid sedimentation guide assembly (4), of the moving vehicle body (1), and the pulse type air hammer assisted pushing assembly (5) is connected with the air pump air compressor (3); self-steering air guide subsides guide subassembly (4) rapidly including foldable high adjusting part (9), self-steering backup pad (10), self-steering little air current outlet duct (11), paste ground seal groove (12) and cementation of fissures head (13), removal automobile body (1) bottom is located in foldable high adjusting part (9), foldable high adjusting part (9) bottom is located in rotation of self-steering backup pad (10), slide to locate on self-steering backup pad (10) from self-steering little air current outlet duct (11), paste ground seal groove (12) and locate on the diapire of self-steering backup pad (10), cementation of fissures head (13) are located in pasting ground seal groove (12).
2. The road engineering multifunctional road surface maintenance engineering mechanical vehicle as claimed in claim 1, characterized in that: the pulse type air hammer boosting material component (5) comprises a support column (18), a flip type air bag fixing cavity (19), an air bag (20), a boosting material air hose (7), a feeding air hose (8) and a pulse air hammer forming driving piece (21), the support column (18) is arranged on a movable vehicle body (1), the flip type air bag fixing cavity (19) is arranged at the top of the support column (18), the air bag (20) is embedded in the flip type air bag fixing cavity (19), a material containing barrel (2) is arranged on the movable vehicle body (1), the feeding air hose (8) is communicated between the air bag (20) and the material containing barrel (2), the boosting material air hose (7) is communicated between the air bag (20) and an air pump air compressor (3), a one-way valve I (24) is arranged on the boosting air hose (7), a one-way valve II (25) is arranged on the feeding air hose (8), the pulse air hammer forming driving piece (21) is arranged on the supporting column (18) and below the flip type air bag fixing cavity (19), and the pulse air hammer forming driving piece (21) is connected with the flip type air bag fixing cavity (19).
3. The road engineering multifunctional road surface maintenance engineering mechanical vehicle as claimed in claim 2, characterized in that: the intercommunication is equipped with conveying pipeline (17) between filling joint head (13) and storage bucket (2), little air outlet duct of self-steering (11) transverse section is the triangle-shaped structure, little air outlet duct of self-steering (11) include vertical straight tube section (14) and bend section (15), and vertical straight tube section (14) slide to be located on self-steering backup pad (10), the below of vertical straight tube section (14) is located in bend section (15), bend section (15) export is the level setting, the top intercommunication of ground seal groove (12) is equipped with trachea (16), trachea (16) run through self-steering backup pad (10) top and set up.
4. The road engineering multifunctional road surface maintenance engineering mechanical vehicle as claimed in claim 3, characterized in that: a sedimentation gas transmission hose (6) is communicated between the lower end of the self-guiding micro gas flow outlet pipe (11) and the air pump air compressor (3), the folding height adjusting piece (9) comprises a first connecting rod (26), a second connecting rod (27), a third connecting rod (28), a fourth connecting rod (29), a fifth connecting rod (30) and a hydraulic rod (31), one end of the first connecting rod (26) is hinged to the bottom wall of the movable vehicle body (1), the end part of one end of the fourth connecting rod (29) is hinged to the other end of the first connecting rod (26), the middle part of the second connecting rod (27) is hinged to the other end of the fourth connecting rod (29), the end part of the third connecting rod (28) is hinged to the end part of the second connecting rod (27), the end part of the third connecting rod (28) far away from the second connecting rod (27) is hinged to the middle part of the first connecting rod (26), the first connecting rod (26) and the second connecting rod (27) are arranged in parallel, and the third connecting rod (28) and the fourth connecting rod (29) are arranged in parallel, one end of the five connecting rod (30) is hinged to the bottom wall of the movable trolley body (1), the other end of the five connecting rod (30) is hinged to a connecting point of the third connecting rod (28) and the second connecting rod (27), one end of the hydraulic rod (31) is hinged to the bottom wall of the movable trolley body (1), the other end of the hydraulic rod (31) is hinged to the side wall of the five connecting rod (30), and the self-guiding supporting plate (10) is rotatably arranged at one end, far away from the third connecting rod (28), of the second connecting rod (27).
5. The road engineering multifunctional road surface maintenance engineering mechanical vehicle as claimed in claim 4, characterized in that: the pulse air hammer forms driving piece (21) and includes drive backup pad (32), slip backup pad (33), driving motor (34), pivot (35), carousel (36) and traveller (37), drive backup pad (32) and slip backup pad (33) are located respectively on the lateral wall of support column (18), the top of drive backup pad (32) is located in slip backup pad (33), driving motor (34) are located on the diapire of drive backup pad (32), pivot (35) bottom is rotated and is located on drive backup pad (32), pivot (35) and the output coaxial coupling of driving motor (34), pivot (35) are located the below of slip backup pad (33), carousel (36) are coaxial to be located pivot (35) top, carousel (36) are equipped with annular spacing spout (38), be equipped with spiral extension ascending steep ladder (39) in spacing spout (38), spiral prolongs steep ladder (39) upper wall and sets up for the inclined plane, traveller (37) slide and run through slip backup pad (33) and set up, the bottom of traveller (37) slides and locates in spacing spout (38), traveller (37) bottom and spacing spout (38) diapire touch-contact, the bottom of traveller (37) is the setting of hemisphere structure.
6. The road engineering multifunctional road surface maintenance engineering mechanical vehicle as claimed in claim 5, characterized in that: containing bucket (2) top is equipped with agitator motor (40), containing bucket (2) internal rotation is equipped with stirring rake (41), stirring rake (41) are connected with agitator motor (40), be equipped with feed inlet (42) on containing bucket's (2) the lateral wall, be equipped with sealed lid (43) on feed inlet (42).
7. The road engineering multifunctional road surface maintenance engineering mechanical vehicle as claimed in claim 6, characterized in that: the spiral extending and lifting steep descending ladder stand (39) is uniformly distributed around the circumferential array of the rotating shaft (35), a containing groove (44) is formed in the bottom wall of the moving vehicle body (1), and the top ends of the first connecting rod (26), the fifth connecting rod (30) and the hydraulic rod (31) are hinged in the containing groove (44) respectively.
8. The road engineering multifunctional road surface maintenance engineering mechanical vehicle as claimed in claim 7, characterized in that: the vertical straight pipe section (14) of the self-guiding micro airflow outlet pipe (11) is provided with a rack (47), the self-guiding support plate (10) is provided with a lifting motor (48), the output end of the lifting motor (48) is provided with an incomplete gear (49), and the incomplete gear (49) is meshed with the rack (47) and is connected with the rack.
9. The road engineering multifunctional road surface maintenance engineering mechanical vehicle as claimed in claim 8, characterized in that: the lateral wall symmetry of fixed chamber of flip formula gasbag (19) is equipped with opening (22), be equipped with through-hole (23) on the diapire of the fixed chamber of flip formula gasbag (19), through-hole (23) are located to traveller (37) under.
10. The road engineering multifunctional road surface maintenance engineering mechanical vehicle as claimed in claim 9, characterized in that: a first pressure regulating valve (45) is arranged on the sedimentation gas transmission hose (6), and a second pressure regulating valve (46) is arranged on the material pushing assisting gas transmission hose (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111071742.XA CN113512928B (en) | 2021-09-14 | 2021-09-14 | Multi-functional road surface maintenance engineering machinery vehicle of road engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111071742.XA CN113512928B (en) | 2021-09-14 | 2021-09-14 | Multi-functional road surface maintenance engineering machinery vehicle of road engineering |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113512928A true CN113512928A (en) | 2021-10-19 |
| CN113512928B CN113512928B (en) | 2021-11-19 |
Family
ID=78063092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111071742.XA Active CN113512928B (en) | 2021-09-14 | 2021-09-14 | Multi-functional road surface maintenance engineering machinery vehicle of road engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113512928B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114808641A (en) * | 2022-05-09 | 2022-07-29 | 南京快联路桥建设工程有限公司 | Asphalt pavement maintenance system |
| CN118187451A (en) * | 2024-05-15 | 2024-06-14 | 山西三建集团有限公司 | Floor biting and material conveying port construction and blocking method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29621323U1 (en) * | 1996-12-07 | 1997-02-06 | DENSO-Holding GmbH & Co., 51371 Leverkusen | Device for applying a pasty bitumen material in strip form |
| CN201891067U (en) * | 2010-12-01 | 2011-07-06 | 宿迁市科路养护技术有限公司 | Hand-push type crack pouring machine for repairing pavement |
| CN104863041A (en) * | 2015-06-15 | 2015-08-26 | 郝志付 | Multi-functional road maintenance device |
| KR101678338B1 (en) * | 2016-03-29 | 2016-11-21 | 임상수 | Apparatus for heating and scattering sealent for road repair |
| CN107724218A (en) * | 2017-09-14 | 2018-02-23 | 南京慧智灵杰投资管理有限公司 | A kind of road structure stitches filling device |
| CN109537422A (en) * | 2018-11-09 | 2019-03-29 | 河南路大公路交通科技有限公司 | A kind of highway maintenance pouring machine |
-
2021
- 2021-09-14 CN CN202111071742.XA patent/CN113512928B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29621323U1 (en) * | 1996-12-07 | 1997-02-06 | DENSO-Holding GmbH & Co., 51371 Leverkusen | Device for applying a pasty bitumen material in strip form |
| CN201891067U (en) * | 2010-12-01 | 2011-07-06 | 宿迁市科路养护技术有限公司 | Hand-push type crack pouring machine for repairing pavement |
| CN104863041A (en) * | 2015-06-15 | 2015-08-26 | 郝志付 | Multi-functional road maintenance device |
| KR101678338B1 (en) * | 2016-03-29 | 2016-11-21 | 임상수 | Apparatus for heating and scattering sealent for road repair |
| CN107724218A (en) * | 2017-09-14 | 2018-02-23 | 南京慧智灵杰投资管理有限公司 | A kind of road structure stitches filling device |
| CN109537422A (en) * | 2018-11-09 | 2019-03-29 | 河南路大公路交通科技有限公司 | A kind of highway maintenance pouring machine |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114808641A (en) * | 2022-05-09 | 2022-07-29 | 南京快联路桥建设工程有限公司 | Asphalt pavement maintenance system |
| CN114808641B (en) * | 2022-05-09 | 2023-03-10 | 南京快联路桥建设工程有限公司 | Asphalt pavement maintenance system |
| CN118187451A (en) * | 2024-05-15 | 2024-06-14 | 山西三建集团有限公司 | Floor biting and material conveying port construction and blocking method |
| CN118187451B (en) * | 2024-05-15 | 2024-07-09 | 山西三建集团有限公司 | Floor biting and material conveying port construction and blocking method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113512928B (en) | 2021-11-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113512928B (en) | Multi-functional road surface maintenance engineering machinery vehicle of road engineering | |
| CN210013100U (en) | Bituminous paving crack prosthetic devices | |
| CN115639019B (en) | Pavement drilling coring equipment | |
| CN106400664A (en) | Machine for quick repair of pavement pot holes with high-strength polymers | |
| CN201620755U (en) | Direct and reverse circulation drilling machine | |
| CN113216183A (en) | Hole cleaning and pouring device and method for cast-in-situ bored pile | |
| CN214831800U (en) | Be used for road and bridge crack prosthetic devices | |
| CN206127846U (en) | Pavement damage repairs car fast | |
| CN114164834A (en) | Ultrahigh-pressure jet grouting pile machine and jet grouting pile construction method | |
| CN207362669U (en) | Cement pavement crack repairing car | |
| CN108533197B (en) | Method for cleaning impurities generated in mining of petroleum well wall | |
| CN107059589B (en) | A kind of beam bridge overall structure and construction technology and construction machinery | |
| CN206858046U (en) | A kind of auto repair lifting gasbag | |
| CN201614592U (en) | Device capable of separating mud in piling | |
| CN210919080U (en) | Tunnel pipe wall crack filling device | |
| CN212200003U (en) | Local road repairing equipment for roads and bridges | |
| CN211298178U (en) | Automatic medicine device that spouts in gardens | |
| CN211309984U (en) | Multi-material output device and wheel steel rail high-speed contact fatigue testing machine protection device | |
| CN208197201U (en) | Self-compacting concrete stirs device for casting | |
| CN214939123U (en) | Novel municipal administration road is repaired device | |
| CN111663719A (en) | Roof snow remover | |
| CN112482419A (en) | Building pile foundation | |
| CN221192914U (en) | Crack filling device for road and bridge construction | |
| CN214613502U (en) | Crack filling device for highway restoration | |
| CN115898073B (en) | Epoxy terrace hollowing repairing construction method |
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 |