CN2145257Y - Multi-section reaming pile reamer - Google Patents
Multi-section reaming pile reamer Download PDFInfo
- Publication number
- CN2145257Y CN2145257Y CN 92220458 CN92220458U CN2145257Y CN 2145257 Y CN2145257 Y CN 2145257Y CN 92220458 CN92220458 CN 92220458 CN 92220458 U CN92220458 U CN 92220458U CN 2145257 Y CN2145257 Y CN 2145257Y
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- earth
- hammer
- sheet
- expansion link
- shell
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Abstract
The utility model discloses a hole expanding device for a multi-section hole expanding filling pile. The hole expanding device is used with an impacting type pile driver in construction engineering, comprising a weighting hammer (1), a connecting arm (2), an outer shell (10), an earth expanding sheet, a control mechanism, a horizontal rack (8) and a guide sleeve (7). The earth expanding sheet is composed of a fixed plate (11') and an earth digging sheet (11); the control mechanism is composed of a telescopic hammer, a telescopic rod (9), a connecting rod supporting sleeve (13) and a connecting rod (13). The hole expanding device has the advantage that the hole expanding diameter of the hole expanding device can be changed, the hole expanding device can expand holes in the a specified position inside the pile holes, and the needed power of the pile driver is smaller.
Description
The utility model relates to the drilling tool that uses in the construction work, the more piece reaming stake reamer that adopts during the simple and easy impact type ram machine construction of especially a kind of adapted more piece reaming castinplace pile.
More piece reaming stake is a kind of the type of actively promoting the use of both at home and abroad, and this stake type of constructing at present mainly adopts spiral reamer.Because spiral reamer is that required mechanical load is bigger by static(al) cutting soil layer, if adopt this spiral reamer construction more piece reaming stake, must matched power and all bigger stake machine of volume.Owing to these reasons, use the stake machine of this reamer to construct in narrow place, the pore-forming cost of the more piece castinplace pile of its construction is also than higher.
The purpose of the utility model, being provides a kind of directly matched power and all smaller simple and easy impact type tube machine of volume to carry out the construction of more piece reaming stake at above-mentioned the deficiencies in the prior art, its pore-forming cost is lower, can carry out the more piece reaming stake reamer of construction working in narrow place.
Realize the technical scheme of above-mentioned purpose:
A kind of more piece reaming stake reamer, this reamer comprises: a weight-adding hammer, carrying of linking to each other with this weight-adding hammer upper end is drawn joint, one with this weight-adding hammer lower end continuous be connected wing, it is characterized in that described more piece reaming stake reamer also comprises:
A shell (10), this shell are its upper end and the described cylinder blanket that is connected the continuous and hollow of wing;
One group of earth-expanding sheet, this earth-expanding sheet comprises a fixed head (11 ') and an earth-digging sheet (11) respectively, described fixed head (11 ') is distributed on described shell (10) inwall and stretches out this housing downwards, and described earth-digging sheet (11) and described fixed head (11 ') lower end strand connect;
A controlling organization, this mechanism is used for controlling stretching out or drawing in of described earth-expanding sheet earth-digging sheet (11), it comprises: an expansion link (9) that is positioned at the axial centre of described housing (10) and can moves up and down, one link to each other with expansion link (9) upper end and can this expansion link (9) when moving upward with the described flexible hammer that is connected the wing contact, a link supports cover (13) that links to each other with the bottom of described expansion link (9), and one group of connecting rod (13 ') that twists company respectively by its two ends respectively with the earth-digging sheet (12) of described link supports cover (13) and described earth-expanding sheet;
A guiding device, this guiding device is used to guide described expansion link (9) moving up and down at shell (10) center, it comprises a fairlead (7) that is enclosed within on the described expansion link (9), and the horizontal stand (8) between this fairlead (7) and described shell (10) inwall;
A backstay (14), this backstay are used for the earth-expanding sheet that links to each other with described shell (10) of control position during reaming in the stake hole, and it is the bar head that can replace its length and link to each other with described expansion link (9) lower end.
In the described scheme, the stretching out or draw in of earth-digging sheet in the earth-expanding sheet (11) by the expansion link in the controlling organization (9) moving upward or move downward control in shell (10).When expansion link (9) moved upward in described fairlead (7), it strutted described earth-digging sheet (11) respectively by the connecting rod (13 ') on the link supports cover (13); When expansion link (9) when moving downward, it draws described earth-digging sheet (11) in by the connecting rod (13 ') on the link supports cover (13) equally.The power that described expansion link (9) moves downward is produced by the weight of the flexible hammer that links to each other with expansion link (9) upper end; The gravity that resistance that the power that described expansion link (9) moves upward is subjected to when contacting the bottom, stake hole of required reaming by backstay (14) the bar head that links to each other with this expansion link (9) lower end and described shell (10) are subjected to weight-adding hammer and downward motion is synthetic.The stroke decision that the angle that described earth-digging sheet (11) is stretched out is moved upward by described expansion link (9), when being connected the contact of wing bottom, stretch out to maximum position by earth-digging sheet (11) with described for the flexible hammer that moves up to its upper end when described expansion link (9).
In order in castinplace pile, to expand the enlarged footing that different-diameter, flexible hammer in the described scheme can be made up of device upward hammer (6) and following hammer (6 ') two parts together, describedly go up hammer (6) and all have screw above the hammer (6 ') down, can install one in this screw and can regulate it and stretch out this on hammer (6) or hammer (6 ') flat side of a hammer down into shape and stretch out push rod (5) highly.By only adopting hammer (6) down, or upper and lower hammer adopts simultaneously, or regulate described push rod (5) and stretch out described last hammer (6) or play the measures such as height of hammer (6 ') flat side of a hammer to regulate the stroke of described expansion link (9) when moving upward, can conveniently utilize this programme in castinplace pile, to expand the enlarged footing that different-diameter.
For ease of regulating the stroke that described expansion link (9) moves upward, on described shell (10), have special adjusting window (4).
On the earth-digging sheet of described scheme (11), can also comprise respectively that one is grabbed native pawl (12) to described shell (10) center position bending, this is grabbed native pawl (12) and is used for when the reaming of stake end, utilizes described earth-digging sheet (11) to draw in and picks up an earth or a cobble of bottom, hole.
Facts have proved, the more piece reaming stake reamer that adopts the utility model to make, 15 kilowatts of it can matched power be the simple and easy impact type stake machine about, can control counter bore diameter easily by the people, can save with the way of changing backstay continuous reaming 2-3 in the castinplace pile of required reaming, can carry out the construction of more piece reaming castinplace pile on narrow place, the quality of its construction is better and the pore-forming cost is lower, reaches the purpose of the utility model.
The utility model has following accompanying drawing, and accompanying drawing is instantiation.
Fig. 1 is the utility model structural representation;
Fig. 2 is the part more piece priming concrete pile hole schematic diagram of example processing among Fig. 1;
Among Fig. 1:
1～carry and draw joint.2～weight-adding hammer.3～connection wing.3 '-connect the jacking block of wing (3) lower surface.10～shell, it has adjusting window (4).6～go up hammer, it has push rod (5), and it and the following hammer (6 ') that has the screw (60) of device push rod (5) simultaneously constitute flexible hammer.They are connected as a single entity by bolt connection piece (15).7～fairlead.8～horizontal stand.9～expansion link.7 '-flat key of expansion link (9), it is with moving up and down in the keyway of expansion link (9) in fairlead (7).11～earth-digging sheet, it connects to constitute earth-expanding sheet with fixed head (11 ') strand that links to each other with shell (10) inwall, and the quantity of earth-expanding sheet is 3 in this example.13 '～and link supports cover (13) and earth-digging sheet (11) connecting rod of the company of strand respectively, quantity is 3 in this example.12～grab native pawl.14～the backstay that can replace its length and link to each other with expansion link (9) lower end.
The concrete course of work of this example:
When this example along the stake hole of required reaming when beginning to move downward, reason owing to gravity, its flexible hammer is positioned at described fairlead (7) upper end, and expansion link (9) makes earth-digging sheet (11) be in rounding state by the connecting rod (13 ') on the link supporting cover (13); When this example moves downward position to required reaming, the backstay (14) that links to each other with expansion link (9) touches at the bottom of the hole, hole, expansion link (9) owing to be subjected to resistance take place with example in opposite the moving upward of shell (10) direction of motion (with respect to the motion in the example), it stretchs out earth-digging sheet (11) by connecting rod (13 ') on the one hand gradually, make flexible hammer to jacking block (3 ') convergence that connects wing (3) lower surface on the other hand, because the shell (10) in the example still continues to move downward under the weight-driven of weight-adding hammer (2) at this moment, it forces earth-digging sheet (11) to thrust a hole hole wall respectively, at this moment, expansion link (9) continues to stretch out owing to the resistance at the bottom of the hole drives earth-digging sheet (11), and at the bottom of the soil of hole wall drives backstay (14) thorn hand-hole on the expansion link (9) to the resistance of earth-digging sheet (11); When expansion link in the example (9) moved up to push rod (5) on the flexible hammer and contacts with the jacking block that is connected the wing lower surface (3 '), earth-digging sheet thrust the process end of hole wall; When this example when the stake hole moves upward, expansion link (9) is because the gravity of the resistance of hole wall and flexible hammer and moving downward in shell (10), earth-digging sheet (11) draws and peels off soil layer in to the center, the soil layer of peeling off falls into a bottom, hole.If this example is in the reaming of the bottom in stake hole, then should load onto and grab native pawl (12), be convenient to when reaming finishes, the soil layer of peeling off be grabbed out.
This example can be used for various soil layers and the severely-weathered extremely priming concrete pile hole of medium basement rock are carried out the reaming construction; If be equipped with the multiple aperture drill bit, can reaming in the hole depth scope about 3～30 meters, its enlarged footing D(D is the reaming section diameter) can to reach 2.5～3 times of pile body d(d be the castinplace pile diameter), the cost that its folk prescription volume mixes soil only is about 160 yuan, labour cost, machinery expense only are 50～60 yuan, are 50% of " construction work norm for detailed estimates " expense.
Claims (5)
1, a kind of more piece reaming stake reamer, this reamer comprises: a weight-adding hammer, carrying of linking to each other with this weight-adding hammer upper end is drawn joint, one with this weight-adding hammer lower end continuous be connected wing, it is characterized in that described more piece reaming stake reamer also comprises:
A shell (10), this shell are its upper end and the described cylinder blanket that is connected the continuous and hollow of wing;
One group of earth-expanding sheet, this earth-expanding sheet comprises a fixed head (11 ') and an earth-digging sheet (11) respectively, described fixed head (11 ') is distributed on described shell (10) inwall and stretches out this housing downwards, and described earth-digging sheet (11) and described fixed head (11 ') lower end strand connect;
A controlling organization, this mechanism is used for controlling stretching out or drawing in of described earth-expanding sheet earth-digging sheet (11), it comprises: an expansion link (9) that is positioned at the axial centre of described housing (10) and can moves up and down, one link to each other with expansion link (9) upper end and can this expansion link (9) when moving upward with the described flexible hammer that is connected the wing contact, a link supports cover (13) that links to each other with the bottom of described expansion link (9), and one group of connecting rod (13 ') that twists company respectively by its two ends respectively with the earth-digging sheet (11) of described link supports cover (13) and described earth-expanding sheet;
A guiding device, this guiding device is used to guide described expansion link (9) moving up and down at shell (10) center, it comprises a fairlead (7) that is enclosed within on the described expansion link (9), and the horizontal stand (8) between this fairlead (7) and described shell (10) inwall;
A backstay (14), this backstay are used for the earth-expanding sheet that links to each other with described shell (10) of control position during reaming in the stake hole, and it is the bar head that can replace its length and link to each other with described expansion link (9) lower end.
2, according to the described more piece reaming of claim 1 stake reamer, it is characterized in that described flexible hammer is by installing upward hammer (6) together and hammering (6 ') two parts down into shape and form, described upward have screw above the hammer (6), can install one in this screw and can regulate the push rod (5) that it stretches out this hammer flat side of a hammer height, the described screw that the described push rod of supplying apparatus (5) is also arranged above the hammer (6 ') down.
3,, it is characterized in that having on the described shell (10) and regulate described push rod (5) or change the described adjusting window (4) of going up hammer (6) and following hammer (6 ') by claim 1,2 described more piece reaming stake reamers.
4,, it is characterized in that also comprising respectively on the described earth-digging sheet (11) that one is grabbed native pawl (12) to described shell (10) center position bending by claim 1,2,3 described more piece reaming stake reamers.
5, by claim 1,2,3,4 described more piece reaming stake reamers, it is characterized in that the quantity of described earth-expanding sheet and connecting rod (13 ') is respectively 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92220458 CN2145257Y (en) | 1992-10-01 | 1992-10-01 | Multi-section reaming pile reamer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92220458 CN2145257Y (en) | 1992-10-01 | 1992-10-01 | Multi-section reaming pile reamer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2145257Y true CN2145257Y (en) | 1993-11-03 |
Family
ID=33767493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92220458 Expired - Fee Related CN2145257Y (en) | 1992-10-01 | 1992-10-01 | Multi-section reaming pile reamer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2145257Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101831910A (en) * | 2010-03-09 | 2010-09-15 | 中铁建设集团有限公司 | Construction method of reinforced concrete flange reaming type filling pile |
| RU2470133C2 (en) * | 2011-01-21 | 2012-12-20 | Государственное образовательное учреждение высшего профессионального образования "Саратовский государственный технический университет" (СГТУ) | Device for forming helical profile on well walls for bored piles |
| CN113751606A (en) * | 2021-11-05 | 2021-12-07 | 太原科技大学 | Continuous progressive diameter-expanding rounding device and method for thick-wall metal straight welded pipe |
-
1992
- 1992-10-01 CN CN 92220458 patent/CN2145257Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101831910A (en) * | 2010-03-09 | 2010-09-15 | 中铁建设集团有限公司 | Construction method of reinforced concrete flange reaming type filling pile |
| CN101831910B (en) * | 2010-03-09 | 2014-06-18 | 中铁建设集团有限公司 | Construction method of reinforced concrete flange reaming type filling pile |
| RU2470133C2 (en) * | 2011-01-21 | 2012-12-20 | Государственное образовательное учреждение высшего профессионального образования "Саратовский государственный технический университет" (СГТУ) | Device for forming helical profile on well walls for bored piles |
| CN113751606A (en) * | 2021-11-05 | 2021-12-07 | 太原科技大学 | Continuous progressive diameter-expanding rounding device and method for thick-wall metal straight welded pipe |
| CN113751606B (en) * | 2021-11-05 | 2022-01-14 | 太原科技大学 | Continuous progressive diameter-expanding rounding device and method for thick-wall metal straight welded pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |