CN217378483U - Steady basic unit leveling device of water - Google Patents

Abstract

The utility model relates to a road engineering field especially relates to a steady basic unit leveling device of water. Comprising an upright screed, a supporting mechanism for adjusting the height and slope of the screed and a running mechanism therefor, the screed consisting of a long screed and a short screed which are laterally abutted against each other and partially superposed. The device of the utility model is a device which is newly added in the paving construction process, the device can effectively reduce the construction quality defect caused by human error, improve the water stability construction flatness, avoid the elevation adjustment through the lower surface layer in the construction, and avoid the waste of asphalt concrete; the thickness of the asphalt concrete surface layer is ensured, the construction quality is ensured, the construction cost is reduced, and the reworking and the waste of asphalt concrete are avoided.

Description

Steady basic unit leveling device of water

Technical Field

The utility model relates to a road engineering field especially relates to a steady basic unit leveling device of water.

Background

The paving of the cement stabilized macadam base layer is basically carried out by using a paver or a land leveler. Factors influencing the flatness of a base layer in the operation of the spreading machine are many, and the flatness of the base layer is influenced by the tightness of a reference steel wire, the spreading speed, the proficiency of an operator of the spreading machine and the like. Poor flatness of the base layer can result in insufficient thickness of asphalt concrete of the surface layer or over thickness of the asphalt concrete, which affects flatness of the surface layer and has great influence on construction quality and cost. For the cement stabilized macadam base super-high road section, a milling machine needs to be arranged for milling, so that material waste and construction cost increase are caused.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a steady basic unit leveling device of water can improve the roughness that the basic unit paved to guaranteed that the surface course roughness is better and thickness is even, improved construction quality, reduced construction cost.

The utility model discloses a realize like this:

the utility model provides a steady basic unit leveling device of water, includes upright flattening board, the supporting mechanism of adjustable flattening board height and slope and running gear thereof, the flattening board comprises mutual horizontal butt joint and partial superimposed long flattening board, short flattening board.

Furthermore, the bottom of the long leveling plate and the bottom of the short leveling plate are respectively provided with an inclined push plate which are matched with each other, and the inclined push plates are extension parts of the leveling plates.

Furthermore, supporting mechanism includes truss, truss bearing structure, the truss comprises scalable little pipe truss and the big pipe truss of cup jointing, short screed is fixed in on the little pipe truss, long screed is fixed in through the cushion on the big pipe truss, make short screed with long screed each other hugs closely and partial stack forms the screed, and the direction is perpendicular with ground.

Furthermore, the truss comprises two groups of upper chords, two groups of lower chords, chords two-end upright columns, a plurality of web members for supporting the upper chords and the lower chords, a plurality of upper cross braces vertically distributed between the two groups of upper chords and a plurality of lower cross braces vertically distributed between the two groups of corresponding lower chords.

Furthermore, the small circular pipe truss and the large circular pipe truss are respectively formed by welding hollow circular pipes and are mutually sleeved through chord members.

Furthermore, the small circular pipe truss is provided with a section of blank telescopic area at one sleeved end, and the blank telescopic area is only provided with a chord member for the telescopic sleeving of the large circular pipe truss.

Still further, the truss support structure includes a first support column for supporting the small circular pipe truss, and a second support column for supporting the large circular pipe truss. Preferably, the first support column is connected with the small circular pipe truss through a fastener, and the second support column is connected with the large circular pipe truss through a rotary fastener.

Furthermore, running gear includes two tracks, erects the walking wheel on two tracks, the motor and the speed reducer that the driving walking wheel marched along the track, is used for erectting the motor and supporting mechanism's base.

Furthermore, the traveling wheels are composed of a pair of driving wheels and a pair of driven wheels which are arranged below the bottom frame, and each pair of driving wheels and each pair of driven wheels travel along the convex track.

The utility model has the advantages that: the device of the utility model is a device which is newly added in the paving construction process, the device runs along with the paver, and the flatness of the cement stabilized macadam base layer is checked and adjusted at any time; if the deviation is small, the device can automatically strike off the road through the leveling plate, when the elevation difference of the base layer is large, the paving can be timely stopped, and the paver is arranged to re-pave the road section according to the adjusted elevation.

The device can effectively reduce the construction quality defect caused by human error, improve the water stability construction flatness, avoid the elevation adjustment through the lower layer in the construction and avoid the waste of asphalt concrete; the thickness of the asphalt concrete surface layer is ensured, the construction quality is ensured, the construction cost is reduced, and the reworking and the waste of asphalt concrete are avoided.

Drawings

The invention will be further described with reference to the following examples with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a partial structural schematic diagram of fig. 1.

Detailed Description

Referring to fig. 1 and 2, the leveling device for a water-stabilized base layer of the present invention comprises two parts: the first part is a superstructure consisting of: the pipe truss comprises a small round pipe truss 1, a large round pipe truss 2, a short leveling plate 3, a long leveling plate 4, a cushion block 5 and a rotary fastener 6. The second part is a lower structure and consists of the following components: the device comprises a first supporting pipe 7, a fastener 8, a second supporting pipe 9, an auxiliary steel plate 10 (a base), a driving wheel 11, a driven wheel 12, a motor 13, a speed reducer 14 and a track 15.

The main technical characteristics are as follows: the upper structure can be adjusted according to road width, the height between the upper structure and the lower structure can be adjusted through the fastener 8 and the rotating fastener 6, and the upper structure can be adjusted in slope angle through the rotating fastener 6.

The connection relationship of each part is as follows:

(1) the small circular pipe truss 1 and the large circular pipe truss 2 are formed by welding circular pipes with corresponding sizes, the small circular pipe truss 1 is sleeved into the large circular pipe truss 2 through a chord member, and the contraction degree can be adjusted according to the road width; little pipe truss 1 is equipped with one section blank flexible district in the one end that cup joints, blank flexible district only sets up and is used for the flexible chord member that cup joints of big pipe truss 2 reaches the effect of horizontal length adjustment.

In a specific embodiment, each of the small circular tube trusses 1 and the large circular tube trusses 2 includes two sets of upper chords 100, two sets of lower chords 101, two-end chord columns 102, a plurality of web members 103 supporting the upper chords 100 and the lower chords 101, a plurality of upper cross braces 104 vertically distributed between the two sets of upper chords 100, and a plurality of lower cross braces 105 vertically distributed between the two corresponding sets of lower chords 101.

(2) The short leveling plates 3 are welded on the small round pipe truss 1, the cushion blocks 5 are welded to the chord members of the large round pipe truss 2, the long leveling plates 4 are welded on the cushion blocks 5, and the short leveling plates 3 and the long leveling plates 4 are partially overlapped when in abutting joint. The leveling plates with different lengths are arranged, so that the transverse length adjustment effect is achieved.

The bottom of the short screed 3, the long screed 4 are provided with mutually matching inclined push plates 31, 41, respectively, which are extensions of the screeds.

(3) The first supporting tube 7 is sleeved in the upright post 102 of the small circular tube truss 1, the height is locked through a fastener 8 (the fastener 8 is sleeved outside the first supporting tube 7 and locked, so that the top of the fastener 8 is abutted against the upright post 102 and further fixed), the second supporting tube 9 is connected with the upright post of the large circular tube truss 2 through a rotating fastener 6, one end of the rotating fastener 6 penetrates through the upright post of the large circular tube truss 2 to be welded and fixed, the other end of the rotating fastener is locked on the second supporting tube 9, the height can be adjusted, and the gradient of the cross slope can be adjusted through the rotation of the rotating fastener 6; the first supporting tube 7 and the second supporting tube 9 are welded on the auxiliary steel plate 10.

(4) Fixing a motor 13 on an auxiliary steel plate 10, connecting a speed reducer 14 with the motor 13 and a driving wheel 11 through gears, and erecting the driving wheel 11 and a driven wheel 12 on a track 15 during walking; the track 15 is reusable during travel.

The specific operation method comprises the following steps:

firstly, the track 15 is erected according to the height measured by the level gauge, a device on one side is installed on the track 15, the other side is sleeved into the round pipe, the width of the round pipe is adjusted, the round pipe is installed on the track 15, the leveling plate is adjusted to be high-rise through the fastener 8 and the rotary fastener 6 according to design requirements, and meanwhile, the gradient is adjusted through the rotary fastener 6. The power supply and switch are then connected to cause the apparatus to travel along the track 15 and be leveled immediately behind the paver.

When the elevation difference is large, the device cannot advance, paving is stopped at the moment, and elevation rechecking is carried out. And if the elevation difference is determined to be large, the paver is moved backwards to perform paving again. After paving the water-stable upper layer, and rechecking the elevation of the track, the height of the adjusting device can be used for constructing the water-stable upper layer.

Although specific embodiments of the present invention have been described, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the claims appended hereto.

Claims (9)

1. The utility model provides a steady basic unit leveling device of water which characterized in that: comprising an upright screed, a supporting mechanism for adjusting the height and slope of the screed and a running mechanism therefor, the screed consisting of a long screed and a short screed which are laterally abutted against each other and partially superposed.

2. The apparatus of claim 1, wherein: the bottom of the long leveling plate and the bottom of the short leveling plate are respectively provided with an inclined push plate which are matched with each other, and the inclined push plates are extension parts of the leveling plates.

3. The apparatus of claim 1, wherein: the supporting mechanism comprises a truss and a truss supporting structure, the truss is composed of a small round pipe truss and a large round pipe truss which are telescopically sleeved, the short leveling plate is fixed on the small round pipe truss, the long leveling plate is fixed on the large round pipe truss through a cushion block, the short leveling plate and the long leveling plate are mutually abutted and partially overlapped to form the leveling plate, and the direction is vertical to the ground.

4. The apparatus of claim 3, wherein: the truss comprises two groups of upper chords, two groups of lower chords, chords two-end stand columns, a plurality of web members for supporting the upper chords and the lower chords, a plurality of upper cross braces vertically distributed between the two groups of upper chords and a plurality of lower cross braces vertically distributed between the two groups of corresponding lower chords.

5. The hydrostable substrate leveling device of claim 3 wherein: the small circular pipe truss and the large circular pipe truss are formed by welding hollow circular pipes and are mutually sleeved through chord members.

6. The apparatus of claim 3, wherein: the small circular pipe truss is provided with a section of blank telescopic area at one end of the sleeved connection, and the blank telescopic area is only provided with a chord member for the telescopic sleeved connection of the large circular pipe truss.

7. The apparatus of claim 3, wherein: the truss support structure comprises a first support column for supporting the small round pipe truss and a second support column for supporting the large round pipe truss; the first supporting column is connected with the small circular tube truss through a fastener, and the second supporting column is connected with the large circular tube truss through a rotary fastener.

8. The apparatus of claim 1, wherein: the walking mechanism comprises two rails, walking wheels erected on the two rails, a motor and a speed reducer for driving the walking wheels to advance along the rails, and a base for erecting the motor and supporting the supporting mechanism.

9. The apparatus of claim 8, wherein: the walking wheel is composed of a pair of driving wheels and a pair of driven wheels which are arranged below the bottom frame, and each pair of driving wheels and each pair of driven wheels advance along the convex track.

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