CN104929026B - Road construction device improving service life - Google Patents

Abstract

The invention provides a road construction device improving the service life. The road construction device improving the service life is used for conducting polishing on local protrusions on a construction road surface in road construction. The road construction device improving the service life comprises an external shell (8), a motor (9) and a polishing head driving rod component (6) driven by the motor (9), wherein the motor (9) is in power connection with a splined hole in a driving sleeve portion (61) of the polishing head driving rod component (6) in a mode capable of sliding through a fixedly connected spline rod (91), and the driving sleeve portion (61) of the polishing head driving rod component (6) is fixedly connected with a polishing head installing rod portion (62) of the polishing head driving rod component (6) through a gradually-contracting connection portion (612).

Description

A kind of road construction device for improving service life

Technical field

The application is related to field of construction machinery, specially a kind of road construction device for improving service life.

Background technology

In some job sites, such as road construction etc. generally requires to carry out roadbed basal plane that local is levelling, for example, need the local caused because of construction flaw to some protrusion to polish.

The flatness result of this polishing has a significant impact for follow-up road surface construction quality tool, such as the occasion that road level degree tool has high requirements, such as highway, especially high for this requirement for horizontality.Simultaneously as this detail sanding actually material removal amount is frequently not very big, therefore, traditional grinding machine due to be related to the factors such as equipment cost often unsuitable for.

The content of the invention

It is an object of the invention to provide improving the road construction device of service life, which can overcome drawbacks described above of the prior art.

A kind of road construction device for improving service life of the invention，Polish for the local protrusion in road construction to constructing on road surface，Including external shell、Motor and the grinding head drive-rod part driven by the motor，Wherein，The motor is by the spline rod that is fixedly connected and with the splined hole in the drive sleeve portion of the grinding head drive-rod part and axially slidably power couples，Bar portion is installed with the grinding head of grinding head drive-rod part by tapered connecting portion and is fixedly connected in the drive sleeve portion of the grinding head drive-rod part，The grinding head is installed and be removably provided with grinding head in bar portion，Axially extending keys is provided with the outer peripheral face in the drive sleeve portion for extending keyway cooperation with the axis on the internal perisporium of the cylinder of external thread sleeve cartridge unit，The right part of the cylinder of the external thread sleeve cartridge unit is provided with end loops with being integrally formed，The end loops are removably secured with the shoulders in the drive sleeve portion by securing member and are connected，The protuberance for extending internally in the radial direction that is internally provided with of the external shell opens wide cavity so as to the cavity surrounded by the external shell is divided into left part inner chamber with right part，Endoporus in the protuberance is coordinated with the cylindrical portion of inner screw sheath cartridge unit by the form of axially extending key and keyway，The end of the cylindrical portion of the inner screw sheath cartridge unit is provided with end flange portion with being integrally formed，The end flange portion is removably secured with the annulus table top portion on the right side of the protuberance by securing member and is connected，Wherein，The overall diameter in the end flange portion opens wide the interior diameter of cavity less than the right part，The diameter of bore of the end loops installs the outline diameter of bar portion more than the grinding head，Thus，The inner screw sheath cartridge unit can be dismantled with the external thread sleeve cartridge unit and open wide cavity by above-mentioned right part and can remove together；Semi-cylindrical shield is fixedly installed above the right-hand member of the external shell to form the receiving space for accommodating the grinding head，It is provided with to show the level instrument device of levelness on the upside of the external shell，The right-hand member of the left end of the external shell and the shield is fixedly installed altitude mixture control leg device respectively，The altitude mixture control leg device includes leg housings、The height adjustment motor being fixedly installed in the leg housings inner chamber、The height adjusting screw rod being fixedly connected with the rotor of the height adjustment motor and the female thread lower limb bar coordinated with the height adjusting screw rod screw thread，The endoporus of the female thread lower limb bar is provided with female thread，The structure of the key or keyway for being slidably matched with the inner chamber of the leg housings is provided with outer peripheral face，The lower end of the female thread lower limb bar is provided with plate-like foot to be seated on construction road surface，It is coated with the motor outer surface to by heat absorption produced during the motor operation and the radiating fin that dissipates，The radiating fin is fixedly connected with the motor，The radiating fin is set to more than one.

By the present invention, due to adopt when motor drives and the rotates right pressure of the screw-type that produces and while or synchronization rotation, so as to drive, the polishing that grinding head is synchronized rotates and left and right translates, and simply use a motor, therefore equipment cost is reduced when combining the polishing amount for local protrusion.Meanwhile, use can be easy to screw thread matching pair associated components to be conveniently replaceable setting, can have been required according to different polishing materials and polishing and be changed screw thread pair at any time, so as to adjust right pressure speed；On this basis, shank diameter is installed so as to not removed to the right and be unloaded by the interference of mounting rod more than grinding head in the end aperture that external thread sleeve is set（Need only to unload grinding head and seal cover board）, meanwhile, this set can increase the diameter of screw thread matching pair, and counteracting force when increasing polishing bears acting surface and alternatively to increase lead or reduce lead angle.Meanwhile, the diameter of right-hand member flange of inner thread sleeve is set less than the diameter of shell endoporus, smoothly removing for inner thread sleeve is ensure that.Remove thereby, it is possible to external thread sleeve and inner thread sleeve are kept ordinatedly overall, be easy to dismount and safeguard.Increase the flexibility of equipment.And the leg member that can utilize motor automatic controlled height is set, and use cooperatively level indicator, can according to the physical plane profile on road surface the quick adjustment whole equipment in scene levelness so that adjust precisely so as to the processing flatness after the completion of ensure that polishing in polishing.Whole equipment is reliable, stabilized structure, can reduce the overall cost of borehole.

Description of the drawings

Fig. 1 is the overall structure diagram of the road construction device of the raising service life of the present invention.

Specific embodiment

With reference to Fig. 1, the present invention is described in detail.

According to a kind of road construction device of raising service life of embodiment，Polish for the local protrusion in road construction to constructing on road surface，Including external shell 8、Motor 9 and the grinding head drive-rod part 6 driven by the motor 9，Wherein，The motor 9 is by the spline rod 91 that is fixedly connected and with the splined hole in the drive sleeve portion 61 of the grinding head drive-rod part 6 and axially slidably power couples，Bar portion 62 is installed with the grinding head of grinding head drive-rod part 6 by tapered connecting portion 612 and is fixedly connected in the drive sleeve portion 61 of the grinding head drive-rod part 6，The grinding head is installed and be removably provided with grinding head 620 in bar portion 62，Axially extending keys is provided with the outer peripheral face in the drive sleeve portion 61 for extending keyway cooperation with the axis on the internal perisporium of the cylinder 71 of external thread sleeve cartridge unit 7，The right part of the cylinder 71 of the external thread sleeve cartridge unit 7 is provided with end loops 72 with being integrally formed，The end loops 72 are removably secured with the shoulders 611 in the drive sleeve portion 61 by securing member and are connected，The protuberance 81 for extending internally in the radial direction that is internally provided with of the external shell 8 opens wide cavity 82 so as to the cavity surrounded by the external shell 8 is divided into left part inner chamber 83 with right part，Endoporus in the protuberance 81 is coordinated with the cylindrical portion 51 of inner screw sheath cartridge unit 5 with the form of keyway by axially extending key，The end of the cylindrical portion 51 of the inner screw sheath cartridge unit 5 is provided with end flange portion 52 with being integrally formed，The end flange portion 52 is removably secured with the annulus table top portion on the right side of the protuberance 81 by securing member and is connected，Wherein，The overall diameter in the end flange portion 52 opens wide the interior diameter of cavity 82 less than the right part，The diameter of bore of the end loops 72 installs the outline diameter of bar portion 62 more than the grinding head，Thus，The inner screw sheath cartridge unit 5 can be dismantled with the external thread sleeve cartridge unit 7 and open wide cavity 82 by above-mentioned right part and can remove together；Semi-cylindrical shield 80 is fixedly installed above the right-hand member of the external shell 8 to form the receiving space 84 for accommodating the grinding head 620，The upside of the external shell 8 is provided with to show the level instrument device 3 of levelness，The right-hand member of the left end of the external shell 8 and the shield 80 is fixedly installed altitude mixture control leg device 4 respectively，The altitude mixture control leg device 4 includes leg housings 43、The height adjustment motor 41 being fixedly installed in 43 inner chamber of the leg housings、The height adjusting screw rod 42 being fixedly connected with the rotor of the height adjustment motor 41 and the female thread lower limb bar 44 coordinated with 42 screw thread of the height adjusting screw rod，The endoporus of the female thread lower limb bar 44 is provided with female thread，The structure of the key or keyway for being slidably matched with the inner chamber of the leg housings 43 is provided with outer peripheral face，The lower end of the female thread lower limb bar 44 is provided with plate-like foot 441 to be seated on construction road surface，Produced heat absorption the radiating fin 901 that dissipates when being coated with the motor 9 to be run on 9 outer surface of the motor，The radiating fin 901 is fixedly connected with the motor 9，The radiating fin 901 is set to more than one.

Alternatively, wherein, the right side of the unlimited cavity 82 of the right part is provided with dismountable sealing plate 821.

By with upper type, those skilled in the art can make various changes according to mode of operation within the scope of the invention.

Claims (2)

1. a kind of road construction device for improving service life, polishes for the local protrusion in road construction to constructing on road surface, including external shell（8）, motor（9）And by the motor（9）The grinding head drive-rod part of driving（6）, wherein, the motor（9）By the spline rod being fixedly connected（91）And with the grinding head drive-rod part（6）Drive sleeve portion（61）Interior splined hole and axially slidably power connection, the grinding head drive-rod part（6）Drive sleeve portion（61）By tapered connecting portion（612）And with grinding head drive-rod part（6）Grinding head install bar portion（62）It is fixedly connected, the grinding head installs bar portion（62）On grinding head is removably installed（620）, the drive sleeve portion（61）Outer peripheral face on be provided with axially extending keys for external thread sleeve cartridge unit（7）Cylinder（71）Internal perisporium on axis extend keyway coordinate, the external thread sleeve cartridge unit（7）The cylinder（71）Right part be provided with end loops with being integrally formed（72）, the end loops（72）By securing member with the drive sleeve portion（61）Shoulders（611）It is removably secured connection, the external shell（8）Be internally provided with the protuberance for extending internally in the radial direction（81）So as to will be by the external shell（8）The cavity for being surrounded is divided into left part inner chamber（83）Cavity is opened wide with right part（82）, the protuberance（81）In endoporus by the form of axially extending key and keyway with inner screw sheath cartridge unit（5）Cylindrical portion（51）Coordinate, the inner screw sheath cartridge unit（5）The cylindrical portion（51）End be provided with end flange portion with being integrally formed（52）, the end flange portion（52）By securing member with the protuberance（81）The annulus table top portion on right side is removably secured connection, wherein, the end flange portion（52）Overall diameter less than the right part open wide cavity（82）Interior diameter, the end loops（72）Diameter of bore more than the grinding head install bar portion（62）Outline diameter, thus, the inner screw sheath cartridge unit（5）With the external thread sleeve cartridge unit（7）Can dismantle and cavity is opened wide by above-mentioned right part（82）And can remove together；The external shell（8）Right-hand member above be fixedly installed semi-cylindrical shield（80）The grinding head is accommodated to be formed（620）Receiving space（84）, the external shell（8）Upside be provided with to show the level instrument device of levelness（3）, the external shell（8）Left end and the shield（80）Right-hand member be fixedly installed altitude mixture control leg device respectively（4）, the altitude mixture control leg device（4）Including leg housings（43）, be fixedly installed on the leg housings（43）Height adjustment motor in inner chamber（41）, and the height adjustment motor（41）The height adjusting screw rod that is fixedly connected of rotor（42）And with the height adjusting screw rod（42）The female thread lower limb bar that screw thread coordinates（44）, the female thread lower limb bar（44）Endoporus be provided with female thread, be provided with outer peripheral face for the leg housings（43）The key that is slidably matched of inner chamber or keyway structure, the female thread lower limb bar（44）Lower end be provided with plate-like foot（441）To be seated on construction road surface, the motor（9）It is coated with outer surface to by the motor（9）Produced heat absorption the radiating fin that dissipates during operation（901）, the radiating fin（901）With the motor（9）It is fixedly connected, the radiating fin（901）It is set to more than one.

2. the road construction device of service life is improved as claimed in claim 1, and wherein, the right part opens wide cavity（82）Right side be provided with dismountable sealing plate（821）.