CN105064191B - Road construction device with adjustable air pressure - Google Patents

Abstract

The invention discloses a road construction device with adjustable air pressure, and used for polishing local bulges on constructed pavements in road construction. The road construction device comprises an outer shell (8), a motor (9) and a polishing-head driving rod part (6) driven by the motor (9), wherein the motor (9) is in axial sliding power connection with a splined hole in a driving sleeve part (61) of the polishing-head driving rod part (6) through a splined rod (91) fixedly connected with the motor (9); the driving sleeve part (61) of the polishing-head driving rod part (6) is fixedly connected with a polishing-head mounting rod part (62) of the polishing-head driving rod part (6) through a gradually contracting connection part (612).

Description

A kind of road construction device of pressure liftable

Technical field

The application is related to field of construction machinery, the road construction device of specially a kind of pressure liftable.

Background technology

In some job sites, such as road construction etc., it is levelling to generally require to carry out roadbed basal plane local, for example, need The local protrusion to cause because of construction flaw to some is polished.

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

The content of the invention

It is an object of the invention to provide the road construction device of pressure liftable, which can overcome of the prior art above-mentioned scarce Fall into.

A kind of road construction device of pressure liftable of the invention, in road construction to construct road surface on Local protrusion is polished, the grinding head drive-rod part driven including external shell, motor and by the motor, wherein, The motor is by the splined hole axial direction in the spline rod that is fixedly connected and the drive sleeve portion of the grinding head drive-rod part Slidably power connection, the drive sleeve portion of the grinding head drive-rod part are driven with grinding head by tapered connecting portion The grinding head of rod unit is installed bar portion and is fixedly connected, and the grinding head is installed and be removably provided with grinding head in bar portion, described Be provided with axially extending keys on the outer peripheral face in drive sleeve portion for the internal perisporium of the cylinder of external thread sleeve cartridge unit on Axis extends keyway and coordinates, and 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 external shell it is interior Portion is provided with the protuberance for extending internally in the radial direction so as to the cavity surrounded by the external shell is divided in left part Chamber and right part open wide cavity, and the endoporus in the protuberance is by the form of axially extending key and keyway and inner thread sleeve The cylindrical portion of part coordinates, and the right part of the cylindrical portion of the inner screw sheath cartridge unit is provided with end method with being integrally formed Blue portion, the end flange portion are removably secured with the annulus table top portion on the right side of the protuberance by securing member and are connected, its In, the overall diameter in the end flange portion opens wide the interior diameter of cavity less than the right part, and the diameter of bore of the end loops is big The outline diameter of bar portion, thus, the inner screw sheath cartridge unit and the external thread sleeve cartridge unit are installed in the grinding head Can dismantle and cavity be opened wide by above-mentioned right part and can be removed together；It is fixedly installed above the right-hand member of the external shell Semi-cylindrical shield accommodates the receiving space of the grinding head to be formed, and is provided with to aobvious on the upside of the external shell Show that the right-hand member of the level instrument device of levelness, the left end of the external shell and the shield is fixedly installed height respectively and adjusts Section leg device, the altitude mixture control leg device include that leg housings, the height being fixedly installed in the leg housings inner chamber are adjusted Expansion link and the sleeve coordinated with the expansion link that solar term cylinder pressure is fixedly connected with the altitude mixture control pneumatic cylinder, it is described Sleeve lining and the expansion link sliding connection, are provided with to slide for the inner chamber with the leg housings on outer peripheral face and match somebody with somebody The structure of the key or keyway of conjunction, the lower end of the sleeve are provided with plate-like foot to be seated on construction road surface.

By the present invention, due to adopt the right pressure of screw-type that produces when motor drives and rotates and while or synchronization rotation Turn such that it is able to drive the polishing that grinding head is synchronized to rotate and left and right translation, and simply use a motor, therefore tie Equipment cost is reduced when closing the polishing amount for local protrusion.Meanwhile, use and screw thread can be easy to coordinate parafacies GUAN spot part is conveniently replaceable setting, can be required according to different polishing material and polishing and be changed screw thread pair at any time, So as to adjust right pressure speed；On this basis, arrange external thread sleeve end aperture more than grinding head install shank diameter so as to Can not be removed to the right and be unloaded by the interference of mounting rod（Need only to unload grinding head and seal cover board）, together When, this set can increase the diameter of screw thread matching pair, counteracting force when increasing polishing bear acting surface and alternatively with Increase lead or reduce lead angle.Meanwhile, the diameter of right-hand member flange of inner thread sleeve is set less than shell endoporus Diameter, ensure that smoothly removing for inner thread sleeve.Thereby, it is possible to external thread sleeve and inner thread sleeve are kept ordinatedly Entirety is removed, and is easy to dismount and is safeguarded.Increase the flexibility of equipment.And the lower limb that can utilize pneumatic cylinder automatic controlled height is set Portion's component, and use cooperatively level indicator, can according to the physical plane profile on road surface the quick adjustment whole equipment in scene water Pingdu 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 pressure liftable 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 pressure liftable of embodiment, in road construction to constructing on road surface Local protrusion is polished, the grinding head drive-rod part 6 driven including external shell 8, motor 9 and by the motor 9, its In, the motor 9 is by the flower in the spline rod 91 that is fixedly connected and the drive sleeve portion 61 of the grinding head drive-rod part 6 Keyhole axially slidably power connection, the drive sleeve portion 61 of the grinding head drive-rod part 6 passes through tapered connecting portion 612 And bar portion 62 is installed with the grinding head of grinding head drive-rod part 6 and is fixedly connected, the grinding head is installed detachable in bar portion 62 Grinding head 620 is installed, be provided with axially extending keys on the outer peripheral face in the drive sleeve portion 61 for external thread sleeve Axis on the internal perisporium of the cylinder 71 of cartridge unit 7 extends keyway and coordinates, the cylinder 71 of the external thread sleeve cartridge unit 7 Right part is provided with end loops 72 with being integrally formed, and the end loops 72 pass through the shoulder of securing member and the drive sleeve portion 61 Portion 611 is removably secured connection, the protuberance 81 that being internally provided with of the external shell 8 extends internally in the radial direction from And the cavity surrounded by the external shell 8 is divided into into left part inner chamber 83 and opens wide cavity 82 with right part, in the protuberance 81 Endoporus coordinated with the cylindrical portion 51 of inner screw sheath cartridge unit 5, the interior spiral shell with the form of keyway by axially extending key The right part of the cylindrical portion 51 of stricture of vagina sleeve part 5 is provided with end flange portion 52, the end flange portion with being integrally formed 52 are removably secured with the annulus table top portion on the right side of the protuberance 81 by securing member and are connected, wherein, the end flange The overall diameter in portion 52 opens wide the interior diameter of cavity 82 less than the right part, and the diameter of bore of the end loops 72 is more than the polishing Head installs the outline diameter of bar portion 62, and thus, the inner screw sheath cartridge unit 5 can be torn open with the external thread sleeve cartridge unit 7 Unload and cavity 82 is opened wide by above-mentioned right part and can be removed together；Half is fixedly installed above the right-hand member of the external shell 8 The shield 80 of cylinder accommodates the receiving space 84 of the grinding head 620 to be formed, and the upside of the external shell 8 is provided with To show that fixation sets the right-hand member of the level instrument device 3 of levelness, the left end of the external shell 8 and the shield 80 respectively Altitude mixture control leg device 4 is equipped with, the altitude mixture control leg device 4 includes leg housings 43, is fixedly installed on the leg housings Altitude mixture control pneumatic cylinder 41, the expansion link 42 being fixedly connected with the altitude mixture control pneumatic cylinder 41 in 43 inner chambers and with it is described The sleeve 44 that expansion link 42 coordinates, 44 inwall of the sleeve and 42 sliding connection of the expansion link, are provided with outer peripheral face For the key that is slidably matched with the inner chamber of the leg housings 43 or the structure of keyway, the lower end of the sleeve 44 is provided with plate-like Foot 441 is to be seated on construction road surface.

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 according to mode of operation within the scope of the invention Change.

Claims (2)

1. a kind of road construction device of pressure liftable, carries out beating for the local protrusion in road construction to constructing on road surface Mill, including external shell（8）, motor（9）And by the motor（9）The grinding head drive-rod part of driving（6）, wherein, institute State motor（9）By the spline rod being fixedly connected（91）With the grinding head drive-rod part（6）Drive sleeve portion（61）It is interior Splined hole 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 is installed Bar portion（62）On grinding head is removably installed（620）, the drive sleeve portion（61）Outer peripheral face on be provided with Stretch key for external thread sleeve cartridge unit（7）Cylinder（71）Internal perisporium on axis extend keyway coordinate, the outer spiral shell Stricture of vagina sleeve part（7）The cylinder（71）Right part be provided with end loops with being integrally formed（72）, the end loops（72） By securing member and the drive sleeve portion（61）Shoulders（611）It is removably secured connection, the external shell（8）'s It is 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 point Into left part inner chamber（83）Cavity is opened wide with right part（82）, the protuberance（81）In endoporus pass through axially extending key and keyway Form and with inner screw sheath cartridge unit（5）Cylindrical portion（51）Coordinate, the inner screw sheath cartridge unit（5）The cylindrical portion （51）Right part be provided with end flange portion with being integrally formed（52）, the end flange portion（52）By securing member with it is described Protuberance（81）The annulus table top portion on right side is removably secured connection, wherein, the end flange portion（52）Overall diameter it is little Cavity is opened wide in the right part（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 simultaneously 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 half The shield of cylinder（80）The grinding head is accommodated to be formed（620）Receiving space（84）, the external shell（8）It is upper Side is provided with to show the level instrument device of levelness（3）, the external shell（8）Left end and the shield（80）'s Right-hand member is fixedly installed altitude mixture control leg device respectively（4）, the altitude mixture control leg device（4）Including leg housings（43）, it is solid Surely the leg housings are arranged on（43）Altitude mixture control pneumatic cylinder in inner chamber（41）, and the altitude mixture control pneumatic cylinder（41）Gu The expansion link of fixed connection（42）And with the expansion link（42）The sleeve of cooperation（44）, the sleeve（44）Inwall is stretched with described Contracting bar（42）Sliding connection, be provided with outer peripheral face for the leg housings（43）The key that is slidably matched of inner chamber or The structure of keyway, the sleeve（44）Lower end be provided with plate-like foot（441）To be seated on construction road surface.

2. the road construction device of pressure liftable as claimed in claim 1, wherein, the right part opens wide cavity（82）Right side It is provided with dismountable sealing plate（821）.