CN205591223U - Automatic reciprocating type static pressure steel -pipe pile machine - Google Patents
Automatic reciprocating type static pressure steel -pipe pile machine Download PDFInfo
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- CN205591223U CN205591223U CN201620414850.0U CN201620414850U CN205591223U CN 205591223 U CN205591223 U CN 205591223U CN 201620414850 U CN201620414850 U CN 201620414850U CN 205591223 U CN205591223 U CN 205591223U
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Abstract
The utility model discloses an automatic reciprocating type static pressure steel -pipe pile machine. The device is including being used for suit annular jack on the face of cylinder outside the steel -pipe pile, the cylinder body top of annular jack is fixed with and is used for the upper portion ring flange that is connected with the stock of anchor at the bottom of concrete -based, is fixed with in the piston bottom of annular jack to be used for the lower part ring flange that is connected with annular steel pipe holder, the connection the inner chamber upper segment of the annular steel pipe holder china and foreign countries steel loop of lower part ring flange below for the conical ring cavity section that appears be provided with at least two clamping pieces that are used for the tile shape structure of clamping steel tube stake in the conical ring shape cavity section, just the lateral surface of clamping piece be with conical ring shape cavity section matched with toper structure, the tight device in clamping piece top is installed to the cylindrical cavity section of the outer steel loop below lieing in the installation clamping piece. The utility model discloses it is big not only to have solved ordinary static pile machine occupation space, is difficult to the difficult problem used in reforming transform reinforcement engineering, has also solved the straightness problem of hanging down of pressing the stake simultaneously well.
Description
Technical field
This utility model relates to a kind of Static pressure pile driver equipment being applicable to engineering construction field, particularly relates to a kind of automatic reciprocating type static pressure steel-pipe pile machine using hydraulic static pressure to be pressed in basis by steel-pipe pile.
Background technology
Steel-pipe pile and prefabricated reinforced concrete pile tube are two kinds of foundation piling forms common in engineering construction at present.Wherein steel-pipe pile is light with it again, it is simple to welding spreading is used widely in transformation, reinforcing engineering.
Be static pressure steel-pipe pile machine by steel-pipe pile by the equipment in hydraulic static press-in basis, steel-pipe pile is passed through hydraulic pressure hammering or gravity, kinetic energy hammering equipment piling machine.
Static pressure pile driver in the market is the heaviest equipment, causes the reason of its heaviness mainly: 1, huge metal structure base；2, using the mode that presses in steel-pipe pile end, this is necessarily required to tall and big pile press machine support, makes jack can be suspended to steel-pipe pile top；3, heavy jack, when going to extreme limit of travel due to each jack, need to allow jack piston backhaul, and dropping to the position of jack, in order to a new round presses, and this is a comparatively laborious process needing to help with crane, in order to reduce these cycle-indexes, jack stroke must be made the most longer, and the most general piling jack stroke is at 1.0 meters～about 1.5 meters, and such jack is the heaviest.So, current static pressure steel-pipe pile machine always needs a truck crane to provide auxiliary, and the price of Static pressure pile driver is also much more expensive, the most all more than 500,000 yuan.
In strengthening and rebuilding engineering, also it is commonly encountered the situation needing static pressure steel-pipe pile.Under this engineering background, frequently with burying anchor pole on existing architecture basics (usually reinforced concrete foundation) underground to provide the method for counter-force to carry out construction operation, but it is often narrow because of construction environment so that crane cannot be introduced into station, and higher stake machine support also cannot be introduced into.
Summary of the invention
The purpose of this utility model provides a kind of automatic reciprocating type static pressure steel-pipe pile machine just for the weak point in the presence of above-mentioned prior art.
The purpose of this utility model can be realized by following technique measures:
Automatic reciprocating type static pressure steel-pipe pile machine of the present utility model includes the annular jack for being sleeved on steel-pipe pile external cylindrical surface, the cylinder body top of described annular jack is fixed with the upper flange dish for being connected with the anchor pole being anchored in cast concrete base, and the piston base at annular jack is fixed with the lower flange dish for being connected with annular steel pipe clamping device；The inner chamber epimere being connected to the annular steel pipe clamping device China and foreign countries steel loop below lower flange dish is conical ring cavity section, in described conical ring cavity section, it is provided with at least two for clamping the intermediate plate of the shoe structure of steel-pipe pile, and the lateral surface of described intermediate plate is the pyramidal structure matched with conical ring cavity section；Being positioned at the circular cylindrical cavity section installing the outer steel loop below intermediate plate, intermediate plate holding device is installed.
This utility model is provided with the intermediate plate of three shoe structures for clamping steel-pipe pile in described conical ring cavity section, the intrados of described intermediate plate is machined with the most tilting barb-like groove in the way of uniform, and the internal diameter when intermediate plate of three shoe structures is pressed together completely is less than the external diameter of steel-pipe pile.
This utility model is provided with limit switch bracket in the side of described annular steel pipe clamping device, equipped with the upper limit position switch being connected with three-position four-way hydraulic control valve and lower position switch on limit switch bracket, connect between upper and lower limit bit switch and have two wires realizing circuit interlock, switch touching bar is fixed on the outer steel loop of annular steel pipe clamping device, and upper and lower limit bit switch lays respectively at the extreme position of the annular upper and lower stroke of steel pipe clamping device.
Intermediate plate holding device described in this utility model is made up of adjusting screw rod, upper spring pressure ring, lower spring pressure ring and one group of spring between upper spring pressure ring, lower spring pressure ring.
This utility model is with existed concrete bridge basis for counter-force source, by being anchored in the anchor pole pile frame as static pressure equipment of cast concrete base, (annular jack hollow diameters is than steel-pipe pile external diameter big 5～8mm to use the annular jack with steel-pipe pile diameter compatible set to be enclosed within outside steel-pipe pile, steel-pipe pile can pass from annular jack hollow), use the annular steel pipe clamping device supporting with steel-pipe pile diameter, annular steel pipe clamping device is enclosed within outside steel-pipe pile, it is placed in below annular jack, annular jack acts on jointly with annular steel pipe clamping device, applies vertical pressure to steel-pipe pile.The stroke of annular jack only has 20cm～30cm, automatically move back and forth by annular jack and steel-pipe pile is pressed in basis, and annular jack all tries one's best miniaturization with annular steel pipe clamping device, annular jack only has about 200 kilograms (steel-pipe piles of relative diameter 219mm), annular steel pipe clamping device only has less than 100 kilograms, operating in existing building very easy, the carrying that the most multiplex chain block just can realize equipment is moved.
More specifically, the two-way travel of the annular jack piston described in this utility model is by hydraulic drive, i.e. annular jack has two the airtight oil pockets being positioned at upper and lower both sides respectively, and is all connected to the oil pipe being connected with external hydraulic system.The always side oil-feed of upper and lower oil pocket, opposite side is the most fuel-displaced, and rely on turnover oil swings to the upper and lower motion controlling piston.
Described annular steel pipe clamping device is also a hollow-core construction, and steel-pipe pile can pass in the middle of annular steel pipe clamping device.The principle of annular steel pipe clamping device is similar with the single hole anchor ring intermediate plate principle of clamping prestress wire.Described intermediate plate can slide up and down certain distance in the conical ring cavity section of annular steel pipe clamping device, and when annular steel pipe clamping device acts on downwards, intermediate plate is squeezed and inwardly wraps, and when annular steel pipe clamping device upwards acts on, intermediate plate is released.In cylinder inside intermediate plate, and surface has barb-like groove in downward direction, internal diameter when three intermediate plates are pressed together completely to be approximately less than steel-pipe pile external diameter, and this makes intermediate plate only along steel-pipe pile upward sliding, and can not move down along steel-pipe pile.The effect of annular steel pipe clamping device is: when annular jack piston moves downward, steel-pipe pile is held tightly by three fan-shaped intermediate plates in annular steel pipe clamping device, and steel-pipe pile is applied downward pressure, steel-pipe pile is made to move downward in company with piston synchronous, when the piston is moving up, intermediate plate unclamps, intermediate plate againsts steel-pipe pile upward sliding along with the motion of piston, and steel-pipe pile is along with moving upward, so, the piston of annular jack often moves one and circulates, steel-pipe pile all moves down a piston stroke, by moving back and forth, piston i.e. reaches the purpose steel-pipe pile press-in substrate.
In this utility model shorter due to annular jack stroke, generally 20cm, need constantly to move back and forth, therefore, this utility model devises automatic reciprocating system.The principle of repeat system is to be completed by upper and lower travel switch and a three-position four-way hydraulic control valve.Each limit switch controls two circuit loops, i.e. circuit A and circuit B the most simultaneously.During upper limit position switch action, circuit A opens, circuit B closes；During lower position switch action, circuit B opens, circuit A closes.Two circuit loops of circuit A and circuit B are then connected with three-position four-way hydraulic control valve, this three-position four-way hydraulic control valve totally four oil circuit interfaces, and two of which is fixed import and export and connect hydraulic pump, and another two is oil circuit interface (i.e. valve body oil circuit A mouth and valve body oil circuit B mouth).When circuit A conducting, circuit B close, valve body oil circuit A mouth is fuel-displaced, valve body oil circuit B mouth oil return；Otherwise, then valve body oil circuit B mouth is fuel-displaced, valve body oil circuit A hydraulic fluid port oil return.So only with the lower oil cavitie by valve body oil circuit B mouth access annular jack, the upper oil cavitie of valve body oil circuit A mouth access annular jack, can be achieved with the automatic reciprocating circulation of annular jack.
The beneficial effects of the utility model are as follows:
This utility model not only solves common Static pressure pile driver and takes up room greatly, it is difficult to the difficult problem used in transformation reinforcing engineering, solves the perpendicularity problem of piling the most well simultaneously.Owing to annular steel pipe clamping device is linked to be an entirety with annular jack, annular steel pipe clamping device is again according to the supporting making of steel-pipe pile size simultaneously, therefore, as long as when installing annular jack, the upper flange dish at guarantee annular jack top is level (this is easy to be realized by the screw on regulation anchor pole), steel-pipe pile is vertically downward the most certainly, and remains fabulous perpendicularity during whole pressure down.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structure chart of annular jack in this utility model.
Fig. 3 is the structure chart of annular steel pipe clamping device in this utility model.
Fig. 4 is the structure chart of intermediate plate in this utility model.
Fig. 5 is the barb-like groove enlarged drawing processed on intermediate plate intrados in this utility model.
Fig. 6 is that annular jack automatically moves back and forth control principle drawing.
nullSequence number in figure: 1、Steel-pipe pile，2、It is anchored in the anchor pole of cast concrete base，3、Nut，4、Upper flange dish， 5、Annular jack，6、Lower flange dish,7、Annular steel pipe clamping device，8、Intermediate plate，9、Spring，10、Intermediate plate holding device，11、Oil nozzle A，12、Oil nozzle B，13、Concrete foundation，14、Soil，15、Outer cylinder body，16、Inner cylinder body，17、Annular piston，18、Upper oil cavitie，19、Lower oil cavitie，20、Outer steel loop,21、Barb-like groove，22、Upper spring pressure ring，23、Adjusting screw rod， 24、Lower spring pressure ring，25、Upper limit position switch，26、Lower position switch，27、Three-position four-way hydraulic control valve，28、Wire，29、Switch touching bar，30、Circuit A，31、Circuit B，32、A circuit interface，33、B circuit interface，34、Valve body oil circuit A mouth，35、Valve body oil circuit B mouth，36、Hydraulic valve P oil-out，37、Hydraulic valve T oil return opening，38、Hydraulic pump.
Detailed description of the invention
This utility model is further described below with reference to embodiment (accompanying drawing):
As shown in Figure 1, automatic reciprocating type static pressure steel-pipe pile machine of the present utility model includes for being sleeved on the annular jack 5 on steel-pipe pile 1 external cylindrical surface, the cylinder body top of described annular jack 5 is fixed with the upper flange dish 4 for being connected with the anchor pole 2 being anchored in cast concrete base, and the piston base at annular jack is fixed with the lower flange dish 6 for being connected with annular steel pipe clamping device 7；The inner chamber epimere being connected to the annular steel pipe clamping device 7 China and foreign countries steel loop 20 below lower flange dish 6 is conical ring cavity section, in described conical ring cavity section, it is provided with at least two for clamping the intermediate plate 8 of the shoe structure of steel-pipe pile 1, and the lateral surface of described intermediate plate 8 is the pyramidal structure matched with conical ring cavity section；For the position of keeping clip 8, being positioned at the circular cylindrical cavity section installing the outer steel loop 20 below intermediate plate 8, intermediate plate holding device 10 is installed.Wherein, described intermediate plate holding device 10 is made up of adjusting screw rod 23, upper spring pressure ring 22, lower spring pressure ring 24 and one group of spring 9 between upper spring pressure ring 22, lower spring pressure ring 24, when piling, suitably twist adjusting screw rod 23, intermediate plate 8 can be made just to clamp steel-pipe pile 1(and see Fig. 3).
As shown in Figure 2, outer cylinder body 15 top of described annular jack 5 is fixed with upper flange dish 4, on piston, lower space is respectively upper oil cavitie 18, lower oil cavitie 19, on, lower oil cavitie (i.e. sequence number 18, 19) respectively by the oil nozzle A of outer cylinder body 15, B(i.e. sequence number 11, 12) it is connected with external oil pipe, when upper oil cavitie 18 input pressure oil, lower oil cavitie 19 then oil extraction, piston 17 moves down, otherwise then move up, annular steel pipe clamping device 7 China and foreign countries steel loop 20 is connected with annular piston 17 by lower flange dish 6, therefore, annular steel pipe clamping device 7 China and foreign countries steel loop 20 all the time with annular piston 17 synchronizing moving.
As shown in Figure 4,5, the intermediate plate 8 of three shoe structures for clamping steel-pipe pile 1 it is provided with in described conical ring cavity section, the intrados of described intermediate plate 8 is machined with the most tilting barb-like groove 21 in the way of uniform, and internal diameter when three intermediate plates 8 are pressed together completely is less than the external diameter of steel-pipe pile 1.
As shown in Figure 6, this utility model is provided with limit switch bracket in the side of described annular steel pipe clamping device 7, equipped with the upper limit position switch 25 being connected with three-position four-way hydraulic control valve 27 and lower position switch 26 on limit switch bracket, connect between upper and lower limit bit switch (i.e. sequence number 25,26) and have two wires 28 realizing circuit interlock, switch touching bar 29 is fixed on the outer steel loop 20 of annular steel pipe clamping device 7, and upper and lower limit bit switch (i.e. sequence number 25,26) lays respectively at the extreme position of the annular upper and lower stroke of steel pipe clamping device 7.nullWhen upper limit position switch 25 is triggered，The circuit A(i.e. sequence number 30 being connected with upper limit position switch 25) conducting，The circuit B(i.e. sequence number 31 being connected with lower position switch 26) close，When lower position switch 26 is triggered，Circuit B(i.e. sequence number 31) conducting，Circuit A(i.e. sequence number 30) close，Circuit A、B is connected to the A circuit interface 32 of three-position four-way hydraulic control valve 27、B circuit interface 33，The effect of three-position four-way hydraulic control valve 27 is: during circuit A conducting，Valve body oil circuit A mouth 34 exports oil，Valve body oil circuit B mouth 35 oil return，Otherwise then valve body oil circuit A mouth 34 oil return，Valve body oil circuit B mouth 35 is fuel-displaced，By valve body oil circuit A mouth 34、Valve body oil circuit B mouth 35 and the A of jack、B hydraulic fluid port correspondence connects，Hydraulic valve P oil-out 36，Hydraulic valve T oil return opening 37 hydraulic fluid port corresponding with hydraulic pump 38 respectively connects.
So, when upper limit position switch 25 is triggered, circuit A(i.e. sequence number 30) conducting, circuit B(i.e. sequence number 31) close, the circuit A(of three-position four-way hydraulic control valve 27 i.e. sequence number 30) energising, valve body action makes valve body oil circuit A mouth fuel-displaced 34, valve body oil circuit B mouth 35 oil return, so, the A hydraulic fluid port oil-feed of annular jack 5, the B hydraulic fluid port of annular jack 5 is fuel-displaced, and now annular jack 5 moves downward.
When annular jack 5 moves downward, annular steel pipe clamping device 7 and steel-pipe pile move downward the most therewith, when lower position switch 26 encountered by switch touching bar 29 on annular steel pipe clamping device 7, lower position switch 26 is triggered, circuit B(i.e. sequence number 31) conducting, circuit A(i.e. sequence number 30) close, three-position four-way hydraulic control valve 27 circuit B(i.e. sequence number 31) energising, valve body action makes valve body oil circuit B mouth 35 fuel-displaced, valve body oil circuit A mouth 34 oil return, so, the B hydraulic fluid port oil-feed of annular jack 5, the A hydraulic fluid port of annular jack 5 is fuel-displaced, now annular jack 5 moves upward.
Therefore, the automatic reciprocating circulation of annular jack 5 is just completed only by triggering switch.And upper and lower limit switch (i.e. sequence number 25,26) and three-position four-way hydraulic control valve 27 are all products ripe on market.
Of the present utility model as follows in specifically used middle effect:
Diameter 245mm is used with reality, as a example by the steel pipe of wall thickness 8mm is as steel-pipe pile: the actual external diameter 430mm using annular jack 5, the external diameter 300mm of annular steel pipe clamping device 7, the gross weight of annular jack 5 is about 200 kilograms, annular steel pipe clamping device 7 always weigh about 150 kilograms, i.e. gross weight only has 350 kilograms.When narrow site operation, only these two parts manually can be moved by chain block auxiliary without crane completely.
This complete equipment actual pressure reaches 1500kN, and equipment is when reaching maximum pressure, and steel-pipe pile slides not yet with intermediate plate 8, and steel-pipe pile does not occurs squeezing flat phenomenon yet, it was demonstrated that the design of whole system is completely successful.The actual steel-pipe pile for diameter 245mm, general pile driving pressure the most just requires that, at about 1000 kN, this equipment has reached actually used requirement.
In piling speed, according to ground situation, can reach 5～10 centimeters per minute, 3～6 meters the most per hour, be also comparatively ideal piling speed.
This another technique effect of set pile compacting equipment is exactly the perpendicularity problem solving piling well.Owing to annular steel pipe clamping device 7 is linked to be an entirety with annular jack 5, annular steel pipe clamping device 7 is again according to the supporting making of steel-pipe pile size simultaneously, therefore, as long as when installing annular jack 5, the upper flange dish 4 at guarantee annular jack 5 top is level (this is easy to be realized by the screw on regulation anchor pole), steel-pipe pile is vertically downward the most certainly, and remains fabulous perpendicularity during whole pressure down.
Complete equipment is due to scientific and rational design, economy is also greatly improved, whole system cost within 50,000 yuan, on market hundreds of thousands unit pile press machine price, and solve common Static pressure pile driver and take up room greatly, it is difficult to the difficult problem used in transformation reinforcing engineering.
Claims (4)
1. an automatic reciprocating type static pressure steel-pipe pile machine, it is characterized in that: it includes the annular jack for being sleeved on steel-pipe pile external cylindrical surface, the cylinder body top of described annular jack is fixed with the upper flange dish for being connected with the anchor pole being anchored in cast concrete base, and the piston base at annular jack is fixed with the lower flange dish for being connected with annular steel pipe clamping device；The inner chamber epimere being connected to the annular steel pipe clamping device China and foreign countries steel loop below lower flange dish is conical ring cavity section, in described conical ring cavity section, it is provided with at least two for clamping the intermediate plate of the shoe structure of steel-pipe pile, and the lateral surface of described intermediate plate is the pyramidal structure matched with conical ring cavity section；Being positioned at the circular cylindrical cavity section installing the outer steel loop below intermediate plate, intermediate plate holding device is installed.
Automatic reciprocating type static pressure steel-pipe pile machine the most according to claim 1, it is characterized in that: in described conical ring cavity section, be provided with the intermediate plate of three shoe structures for clamping steel-pipe pile, the intrados of described intermediate plate is machined with the most tilting barb-like groove in the way of uniform, and the internal diameter when intermediate plate of three shoe structures is pressed together completely is less than the external diameter of steel-pipe pile.
Automatic reciprocating type static pressure steel-pipe pile machine the most according to claim 1, it is characterized in that: the side of described annular steel pipe clamping device is provided with limit switch bracket, equipped with the upper limit position switch being connected with three-position four-way hydraulic control valve and lower position switch on limit switch bracket, connect between upper and lower limit bit switch and have two wires realizing circuit interlock, switch touching bar is fixed on the outer steel loop of annular steel pipe clamping device, and upper and lower limit bit switch lays respectively at the extreme position of the annular upper and lower stroke of steel pipe clamping device.
Automatic reciprocating type static pressure steel-pipe pile machine the most according to claim 1, it is characterised in that: described intermediate plate holding device is made up of adjusting screw rod, upper spring pressure ring, lower spring pressure ring and one group of spring between upper spring pressure ring, lower spring pressure ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620414850.0U CN205591223U (en) | 2016-05-10 | 2016-05-10 | Automatic reciprocating type static pressure steel -pipe pile machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620414850.0U CN205591223U (en) | 2016-05-10 | 2016-05-10 | Automatic reciprocating type static pressure steel -pipe pile machine |
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| Publication Number | Publication Date |
|---|---|
| CN205591223U true CN205591223U (en) | 2016-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620414850.0U Withdrawn - After Issue CN205591223U (en) | 2016-05-10 | 2016-05-10 | Automatic reciprocating type static pressure steel -pipe pile machine |
Country Status (1)
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| CN (1) | CN205591223U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105735316A (en) * | 2016-05-10 | 2016-07-06 | 郑州长建工程技术开发有限公司 | Automatic reciprocating type static pressure steel pipe pile machine |
-
2016
- 2016-05-10 CN CN201620414850.0U patent/CN205591223U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105735316A (en) * | 2016-05-10 | 2016-07-06 | 郑州长建工程技术开发有限公司 | Automatic reciprocating type static pressure steel pipe pile machine |
| CN105735316B (en) * | 2016-05-10 | 2017-07-04 | 郑州长建工程技术开发有限公司 | A kind of automatic reciprocating type static pressure steel-pipe pile machine |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160921 Effective date of abandoning: 20170704 |