CN201738801U

CN201738801U - Subgrade hole puncher

Info

Publication number: CN201738801U
Application number: CN2010202351921U
Authority: CN
Inventors: 李幼明
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-06-22
Filing date: 2010-06-22
Publication date: 2011-02-09
Anticipated expiration: 2020-06-22

Abstract

The utility model relates to a subgrade hole puncher, belonging to the technical field of engineering machines, aiming at providing the subgrade hole puncher which can enable the connection between the pressed layer of a fill and a subgrade foundation at the bottom layer of the fill to be compact and firm. The technical scheme is that a plurality of striking bars (21) are fixedly connected on the bottom end surface of a striking bar base (2), striking bar holes which are matched with the striking bars on the bottom end surface of the striking bar base are arranged on the bottom plate of a base (1), a pressing bar (3) is fixedly connected in the center of the upper end surface of the striking bar base, the upper end of the pressing bar is hinged with the front end of a connecting bar (4) through a pin and the front part of the connecting bar is hinged with lugs (14) fixed on the two sides of the base through a pin. When in use, the end of the connecting bar is hinged with the end of the piston rod of a hydraulic oil cylinder on the bucket arm of an excavator, the hydraulic oil cylinder drives the connecting bar, the pressing bar drives the striking bars on the bottom end surface of the striking bar base to strike up and down, and thereby materials of the fill are deeply, compactly and firmly squeezed into the subgrade foundation like a piling way.

Description

The roadbed card punch

Technical field

The utility model relates to a kind of roadbed card punch, belongs to technical field of engineering machinery.

Background technology

At present, in the embankment compacting operation of major infrastructure project projects such as highway, railway, airfield runway, dam, stadium, though quiet road roller, vibratory roller or the impact road roller of rolling that generally uses can both make and pressed layer to produce distortion and closely knit, but because the degree of depth of its closely knit influence is all limited, it is limited that particularly the degree of depth and the range that are connected between layer and the roadbed basis of embankment bottom are pressed in embankment, so, very easily occur ftractureing on some moulding roadbed foundation is weaks and the higher ground of roadbed embankment, subside, situation that road surfaces such as sinking, distortion are undermined destruction.

The utility model content

The purpose of this utility model is to provide and is connected between a kind of roadbed basis that can make embankment be pressed layer and embankment bottom not only in a down-to-earth manner but also firm roadbed card punch.

Its technical scheme is: a kind of roadbed card punch is characterized in that: comprise base, place lance seat and depression bar and connecting rod in the base; The bottom face of described lance seat is connected with many lances, offer on the base plate of base with lance seat bottom face on the lance hole that cooperatively interacts of lance, affixed depression bar is located in the middle position, upper surface of lance seat, the upper end of depression bar is hinged by the front end of bearing pin and connecting rod, and the lug that the front portion of connecting rod is fixed by bearing pin and base both sides is hinged.

The diameter of above-mentioned lance is 15-35cm, and length is divided into 50-70cm.

The replaceable scraper bowl of above-mentioned roadbed card punch is installed on the excavator, provides punching power by excavator.

Its technique effect: during use, pull down the scraper bowl of excavator, hinged the getting final product of tailpiece of the piston rod with hydraulic jack on its connecting-rod head and the power shovel arm, by the hydraulic jack kinematic link, make percussion movement up and down by the lance that depression bar drives on the lance seat bottom face, make the material (for example native or last filler etc. that mixes with lime of the cubic meter of stone) of embankment can be compared to the same inside that deeply is expressed to the roadbed basis of piling, muller by road roller is cooperated then, hole flattening-out compaction by rolling with the formation of lance bump, repeated multiple times like this, make whole by the roadbed of embankment just as being stamped the thickly dotted timber of multilayer, not only in a down-to-earth manner but also firm, effectively avoided pavement cracking, subside, sink, situations such as distortion take place, and have guaranteed the quality of roadbed, have prolonged the application life on road surface.Be adapted to especially use at moulding roadbed foundation is weak and the higher ground of roadbed embankment.

Description of drawings

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the vertical view of Fig. 1.

The specific embodiment

As shown in Figure 1, 2 be five lance roadbed card punch, it comprises base, place lance seat and depression bar and connecting rod in the base.Front, rear, left and right, five diameters of middle welding are 15-35cm on the bottom face of lance seat 2, length is respectively the lance 21 of 50-70cm, offer on the base plate 11 of base 1 with lance seat bottom face on five lance holes cooperatively interacting of lance, offer the draw-in groove 13 that cooperatively interacts with lance on four sidewalls 12 of base.Affixed depression bar 3 is located in the middle position, upper surface of lance seat, and the upper end of depression bar is hinged by the front end of bearing pin and connecting rod 4, and the lug 14 that the front portion of connecting rod is fixed by bearing pin and base both sides is hinged.

Claims

1. a roadbed card punch is characterized in that: comprise base, place lance seat and depression bar and connecting rod in the base; Be connected with many lances (21) on the bottom face of described lance seat (2), offer on the base plate (11) of base (1) with lance seat bottom face on the lance hole that cooperatively interacts of lance, affixed depression bar (3) is located in the middle position, upper surface of lance seat, the upper end of depression bar is hinged by the front end of bearing pin and connecting rod (4), and the lug (14) that the front portion of connecting rod is fixed by bearing pin and base both sides is hinged.

2. roadbed card punch according to claim 1 is characterized in that: the diameter of described lance (21) is 15-35cm, and length is 50-70cm.

3. roadbed card punch according to claim 1 is characterized in that: offer the draw-in groove (13) that cooperatively interacts with lance on four sidewalls (12) of described base (1).