CN203096736U - Rotary drilling pile shell structure - Google Patents
Rotary drilling pile shell structure Download PDFInfo
- Publication number
- CN203096736U CN203096736U CN 201320113682 CN201320113682U CN203096736U CN 203096736 U CN203096736 U CN 203096736U CN 201320113682 CN201320113682 CN 201320113682 CN 201320113682 U CN201320113682 U CN 201320113682U CN 203096736 U CN203096736 U CN 203096736U
- Authority
- CN
- China
- Prior art keywords
- stake
- straight length
- shell structure
- reinforced concrete
- digs
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The utility model discloses a rotary drilling pile shell structure. The rotary drilling pile shell structure comprises a reinforcement cage and a straight pipe section made of reinforced concrete, wherein one end of the straight pipe section is connected with one end of the reinforcement cage in a matching mode. The straight pipe section is formed by connecting 1-30 reinforced concrete pipes. Each reinforced concrete pipe comprises a pipe body, a plurality of longitudinal bars and a plurality of stirrups are arranged inside each pipe body, and a reinforcement connection structure used for locating two adjacent pipe bodies and connecting the adjacent pipe bodies into an integrated structure is arranged at the connection portions of two ends or one end of each pipe body. The straight pipe section is formed by connecting the reinforced concrete pipes, thereby being convenient to transport and install. Rotary digging pile holes can be corrected in the process of installing the reinforced concrete pipes when being deviated. According to the rotary drilling pile shell structure, the straight pipe section and an accumulated soil falling-stopping device can effectively prevent fallen soil of a loose soil layer from falling into the bottoms of the pile holes and formed piles so that pile-forming quality is improved, and meanwhile, the accumulated soil falling-stopping device has the function of supporting the straight pipe section.
Description
Technical field
The utility model relates to a kind of revolving and digs stake stake shell structure, belongs to basic construction material structure for building.
Background technology
In the foundation pile construction process of highway, railway, bridge and heavy construction, foundation pile construction method revolving from traditional hand digging to machinery dug pile driving construction, experienced the process of continuous technological innovation.Hand digging is adopted in the conventional piles hole, in the bottom of hand excavated pile enlarged, be called the manually digging hole expanded bore pile, this class stake does not need large-scale plant because its stress performance is reliable, and construction manipulation process is simple, can directly check a bed rock soil layer situation, the bearing capacity of single pile height, non-environmental-pollution is so use comparatively general in various places.But, there is following deficiency in such hole: labour intensity is bigger in the borehole, the single pile speed of application is slower, especially safety is relatively poor, dangerous situations such as landslide appear easily, when the gas that has the humus deposits yields in the soil layer spilt in the hole, bottom, stake hole also can deposit a large amount of toxic gases, brings potential safety hazard to construction safety.
Further, in order to overcome above-mentioned deficiency, revolve and dig a technology and find broad application, what is called is revolved and is dug stake, promptly by the stake type of rotary drilling rig construction, the full name rotary digging drilling hole bored concrete pile, be called for short to revolve on the engineering and dig stake, owing to use mechanical work, less demanding to workman's number, can save very big labour cost, so be widely used in the foundation pile construction of highway, railway, bridge and heavy construction.Adopting the rotary drilling rig pore-forming, at first is to turn round broken ground by the bucket formula drill bit that the bottom has a valve, and in the drilling bucket of directly it being packed into, and then drilling bucket is proposed to unload outside the hole soil by rig lifting appliance and telescopic drill rod, move in circles like this, constantly fetch earth and unload soil, until drilling to completion.For loose caving ground, or have underground water to distribute, the hole wall instability must adopt the static mud protecting wall drilling process, and input slurry coat method or stabilizing solution are carried out retaining wall in the hole.
But, the existing technology of digging of revolving exists following drawback (especially to revolve and dig a top, hole and be loosen the soil layer (back fill course), the bottom is a lithosphere): one, when upper strata, stake hole has backfill etc. and loosens the soil layer, carry out in the concreting process in the hole revolving to dig, along with the vibrations in the process of building, the part in the layer that loosens the soil can be fallen in the concrete pile body, brings hidden danger for the quality of stake; Its two, can't remove and revolve a soft formation that digs stake bottom, make it to reach engineering specification (bottom, stake hole soft formation thickness is less than 5cm).
The utility model content
At the problems referred to above that prior art exists, the utility model digs the above-mentioned drawback that stake exists in conjunction with revolving, propose revolve dig a hole forming after, be provided with to revolve in the bottom and dig a stake stake shell structure, solution party person who happens to be on hand for an errand worker or mechanical removal revolve the problem of the soft formation that digs the stake bottom;
Further, the utility model also solves and revolves the top of digging in the hole layer that loosens the soil and loosen the soil to fall into easily to revolve and dig bottom, hole, the problem that pile quality is caused a hidden trouble, and provide novel revolving to dig a stake stake shell structure with long-pending native falling stop device.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: a kind of revolving dug stake stake shell structure, it is characterized in that comprise reinforcing cage and the straight length of being made by steel bar concrete, described straight length one end and reinforcing cage one end are connected; Described straight length is spliced by 1～30 joint reinforced concrete pipe.
Further, described reinforced concrete pipe comprises body, and described body contains some vertical muscle and some stirrups, and described body both ends or one end connecting portion is provided with the steel bar connecting structure that is used for the two adjacent body location and the formula structure that links into an integrated entity.
Further, described steel bar connecting structure is the socket mode; End at body is provided with the bulge loop section, is provided with the socket section that cooperates with described bulge loop section at the other end of body; Described bulge loop section is made up of the stirrup of some vertically arranged main muscle and circumferential arrangement; The upper end of described bulge loop section also is provided with closing in taper section, and described closing in taper section is made of the some main muscle that are in tilted layout and the stirrup of some circumferential arrangement.
Further, described steel bar connecting structure is a docking mode; , dock along the tube wall spiro rod section that stretches out respectively at the two ends of body by sleeve.
Further, also comprise at least one long-pending native falling stop device of being located at straight length, this long-pending native falling stop device is a circulus, and the inner edge of described circulus is attached to revolve to dig on the stake stake shell straight length and with described straight tube shape and adapts.
Further, but described long-pending native falling stop device is the folding circulus.
Further, but described folding circulus is the annular seal air bag, and described annular seal air bag circumferentially is located at and is revolved the straight length outer wall that digs stake stake shell, and air bag is provided with the high pressure valve.
Further, but described folding circulus for falling beveled structure; Described beveled structure is a loop tray, and described pallet circumferentially is located at and is revolved a straight length outer wall that digs stake stake shell, is made up of skeleton and ring-type supporting plate;
Described supporting plate circumferentially is located at and is revolved a straight length outer wall that digs stake stake shell, and described skeleton is located at the below of annular supporting plate by a plurality of rod-like element looping arrays, and annular pallet is supported; One end of described rod-like element with revolve a straight length outer wall that digs stake stake shell and be connected by the part that is rotatably connected, fixedly connected below the other end and the supporting plate, by opening and folding of the part realization supporting plate that is rotatably connected.
Further, the described part that is rotatably connected comprises erection loop, articulated elements, spring and safety rope, described erection loop comprises is located at first, second and the 3rd erection loop that revolves the straight length outer wall that digs stake stake shell from top to bottom, and each rod-like element of described skeleton is inboard hinged by the described articulated elements and second erection loop; Spring is located at the loop tray below, and an end of spring is connected with the rod-like element middle part or the outside, and the other end is connected with the 3rd erection loop, and safety rope is arranged in first erection loop and an end is connected with the described rod-like element middle part or the outside, and the other end is located at the straight length entrance.
Further, described annular supporting plate is one of canvas, rubber or plastics the flexible protective material constitutes.
Compared to existing technology, the utlity model has following beneficial effect:
1, this revolves the straight length that digs in the stake stake shell structure and is spliced by each reinforced concrete pipe, not only connects reliably, has higher intensity; And convenient the installation and transportation revolving when digging a hole and deviation occurring, can also be corrected in the process that reinforced concrete pipe is installed.
2, revolve the straight length that digs in the stake stake shell structure long-pending native falling stop device is set, the layer that effectively prevents from the to loosen the soil soil that falls is fallen in a bottom, hole and the moulding stake, has improved pile quality greatly, and long-pending simultaneously native falling stop device also has the effect of supporting straight length.
3, steel bar connecting structure can not only guarantee the structural strength of each reinforced concrete pipe junction in the moulding stake, can also guarantee to realize in installation process the accurate contraposition (location) in vertical direction of each reinforced concrete pipe.
4, the length of reinforced concrete pipe is respectively 1m, 2m or 5m, thus at different depth the stake hole, all can be spliced by reinforced concrete pipe, versatility is stronger.
Description of drawings
Fig. 1 is that the utility model revolves the structural representation that digs stake stake shell structure.
Fig. 2 is that the utility model revolves and digs that steel bar connecting structure is the schematic diagram of socket mode in the stake stake shell structure.
Fig. 3 is that the utility model revolves and digs that steel bar connecting structure is the schematic diagram of docking mode in the stake stake shell structure.
Fig. 4 is that the utility model revolves the schematic diagram that digs the 1st kind of embodiment of long-pending native falling stop device in the stake stake shell structure, and this figure medi-spring is a circular boop with the inboard position that is connected straight length of safety rope.
Fig. 5 is that the utility model revolves the schematic diagram that digs the embodiment of the 1st kind of long-pending native falling stop device in the stake stake shell structure, and this figure medi-spring is a built-in fitting with the inboard position that is connected straight length of safety rope.
Fig. 6 is the schematic diagram that has added the flexible protective material on the basis of Fig. 4.
Fig. 7 is that the utility model revolves the sectional view that digs the embodiment of the 2nd kind of long-pending native falling stop device in the stake stake shell structure, and this there is shown air bag is connected usefulness with straight length connecting band.
Fig. 8 is that the utility model revolves the schematic diagram that digs the embodiment of the 2nd kind of long-pending native falling stop device in the stake stake shell structure.
Fig. 9 is that the utility model revolves and digs a stake stake shell structure user mode figure.
The specific embodiment
Below in conjunction with the specific embodiment and accompanying drawing, the utility model is described in further detail.
Embodiment 1: as shown in Figure 1, a kind of revolving dug stake stake shell structure, comprise that reinforcing cage 3(can adopt reinforcing cage of the prior art), being furnished with the straight length 1(that is made by steel bar concrete at reinforcing cage 3 one ends (reinforcing cage upper end among Fig. 1) can be circular or square, the reinforcing cage shape is done corresponding design and is got final product, promptly revolve on the whole dig a stake stake shell structure can be rounded, also can be square).Described straight length 1 lower end is connected with reinforcing cage 3 upper ends and (both can fixedlys connected, also can be detachable fixedly connected), straight length 1 can be a monolithic construction, being the moulding of straight length one-time-concreting, also can be split-type structural (being spliced by some isometric or not isometric reinforced concrete pipes).
Referring to Fig. 2, straight length 1 is spliced by some isometric or not isometric reinforced concrete pipes.Main muscle in the reinforced concrete pipe has the extension at pipe end, connect or welding by bolt between the main muscle of adjacent tubes, present embodiment is affixed in the following way: described reinforced concrete pipe comprises body 100, described body 100 contains some vertical muscle 11 and some stirrups 12, and described body 100 both ends or one end connecting portions are provided with the steel bar connecting structure that is used for the two adjacent body location and the formula structure that links into an integrated entity.
Described steel bar connecting structure is the socket mode; End at body 100 is provided with bulge loop section 411, is provided with the socket section that cooperates with described bulge loop section 411 at the other end of body 100; Described bulge loop section 411 is made up of the stirrup of some vertically arranged main muscle and circumferential arrangement; The upper end of described bulge loop section 411 also is provided with closing in taper section 412, and described closing in taper section 412 is made of the some main muscle that are in tilted layout and the stirrup of some circumferential arrangement.
The utility model straight length 1 is spliced by the more piece reinforced concrete pipe, according to degree of depth needs 1～30 joint.Its advantage is, digs a hole deviation occurs in boring procedure when revolving, and this deviation can be corrected by the process that reinforced concrete pipe is installed.In installation process, the closing in taper section on steel bar connecting structure top can guarantee that the reinforced concrete pipe that is offset realizes accurately location, promptly guarantees each reinforced concrete pipe coaxial arrangement in vertical direction.
Need to prove that described steel bar connecting structure can also adopt docking mode, sees Fig. 3: along the tube wall spiro rod section 421,422 that stretches out respectively, dock by sleeve 423 at the two ends of body 100.In the present embodiment, when two adjacent bodys 100 need to connect, upper and lower one to one extension (spiro rod section) is aimed at mutually, to pre-fix then in the sleeve 423 of last/following extension (spiro rod section) and screw toward rightabouts, the junction of upper and lower extension (gap) is positioned at sleeve 423 and realizes that promptly upper and lower one to one extension (spiro rod section) is fixedly connected one to one.
For in the process of building between pipe the junction do not leak concrete, can one ring flat-plate 82 be set in straight length junction external circumferential, at the pre-buried some bolts 81 of straight length end periphery, ring flat-plate 82 is fixed on the bolt.The junction is non-sealing state (have the space, concrete can overflow from this space in the process of building) when between pipe, all can adopt said structure to prevent concrete overflowing.
The utility model also solves and revolves the top of digging in the hole layer that loosens the soil and loosen the soil to fall into easily to revolve and dig bottom, hole, the problem that pile quality is caused a hidden trouble, arrange that in straight length 1 lower end the long-pending native falling stop device 2(of a ring-type amasss native falling stop device and also can arrange two, three or more), but long-pending native falling stop device is the folding circulus, and the inner edge of described circulus is attached to revolve to dig on the stake stake shell straight length and with described straight tube shape and adapts; The outside of described circulus open mode with revolve the shape of digging a hole and size is consistent.
Embodiment 2: referring to Fig. 4-6, described long-pending native falling stop device 2 comprises: the skeleton 211 that is formed by some rod-like element annular arrays, skeleton inboard (endoporus) and straight length are by articulated elements hinged (all can flexibly connect, can guarantee skeleton free movable getting final product on vertically); Be located at the flexible protective material 212 on the skeleton; Be located at the spring 213 of each rod-like element below, spring upper end is connected with the rod-like element middle part or the outside, and the lower end is connected with straight length that (lower end is connected with the straight length periphery, promptly can preset a circular boop in the straight length periphery, the spring lower end is connected with circular boop, and circular boop can be an iron ring etc.); Be located at the safety rope 214 of each rod-like element top, the safety rope lower end is connected with the rod-like element middle part or the outside, the straight length entrance is located in the upper end, and (upper end is located at straight length and is deviated from the reinforcing cage end, safety rope length is wanted long enough, be convenient to revolve and dig a stake stake shell structure and sink to a Kong Zhonghou, the constructor can operate the safety rope upper end long-pending native falling stop device is regulated).
Particularly, this long-pending native falling stop device is " umbrella " form.This device invests on the prefabricated straight length, and skeleton can adopt reinforcing bar, shaped steel, and the skeleton hinged inside is on straight length, and skeleton can rotate up and down around the hinged place.Lay the flexible protective material between each root skeleton, the flexible protective material has intensity height, flexible good, easy characteristics such as folding, good toughness, as canvas, plastics, rubber or other materials etc.The skeleton below is provided with some springs that are in tilted layout, and the skeleton outside or middle part are fixed in each spring upper end, and lower end and straight length are affixed, and spring tightens up (nature), and skeleton is together opened with regard to related flexible protective material.The skeleton top is provided with some safety ropes, the safety rope preferred arrangement is connected in the skeleton outside or middle part for the safety rope lower end, safety rope is then and skewed the connection with straight length further extends perpendicularly to the straight length entrance, when skeleton draws in (this moment, spring was in extended configuration), safety rope is lax inoperative, when skeleton is opened, safety rope stretching tensioning, by regulating the length of safety rope, the scope that the control skeleton is opened, when sidewall collapses hole or backfill, prevent that skeleton is hit and bends, ruptures and lost efficacy simultaneously.Spring can be done a circular boop with the inboard position that is connected straight length of safety rope, and spring and safety rope are connected on the circular boop (for example iron ring), and circular boop is enclosed within on the straight length again, and convenient long-pending native falling stop device is made to refill separately and fitted on the straight length; Also can be when prefabricated straight length set aside pre-embedded spare, directly spring and safety rope are connected on the built-in fitting.It is as follows to amass native falling stop device mode of occupation: in advance the related flexible protective material of skeleton is opened → according to revolving borehole footpath and straight length diameter, adjust position that spring connects and make spring length, pulling force and elongation are suitable, adjust safety rope length, make skeleton open and straight length between angle suitably → skeleton is drawn in, lift the stake aperture with the related long-pending native falling stop device of colligation → straight lengths such as rope or steel wire, when long-pending native falling stop device has entered aperture, remove colligation rope or steel wire, make the related flexible protective material of skeleton open, continuation is transferred to the related long-pending native falling stop device of straight length at the bottom of the hole; Perhaps the related long-pending native falling stop device lifting of straight length arrives designated depth, the more related flexible protective material of skeleton is opened, and continuation is transferred to the related long-pending native falling stop device of straight length at the bottom of the hole.
Particularly, this device is made of airtight air bag, and airtight air bag is placed on the straight length, firmly is connected (connecting band is predeterminable on straight length) with straight length by connecting band.After air bag is full of pressure-air and expands, the space between filling straight length outer wall and the hole wall, by the frictional force between air bag and the hole wall prevent hole wall slump and backfill fall into the hole at the bottom of form sediment.Air pressure is big more in the air bag, and the pressure between air bag and hole wall and air bag and straight length outer wall is big more, prevents that the frictional force of soil body whereabouts is big approximately; Air bag is big more, and the contact area between air bag and hole wall and air bag and straight length outer wall is big approximately, and frictional force is big approximately.Should long-pending concrete mode of occupation of native falling stop device as follows: air bag together with the high-pressure air pipe predetermined fixed on the straight length → straight length is lifted together with air bag the pressure-air that puts in place → fill in air bag by high-pressure air pipe then → treat inflatable bag inflating press reach certain pressure and be full of space between straight length outer wall and the hole wall after, pull out high-pressure air pipe → long-pending native falling stop device and work.
After straight length is furnished with long-pending native falling stop device; this long-pending native falling stop device is opened the space between back shutoff straight length lateral wall and the stake hole inwall; accept from the straight length outside toward the loose earth and the impurity that fall in the hole; and keep the stake shell stable; so this device periphery is to be overlapped on the lithosphere; directly fall into long-pending native falling stop device place when falling down and gather when revolving loosening the soil of digging that a top, hole loosens the soil that layer drops; can further not fall into to revolve and dig a bottom, hole; further; when in straight length, building the concrete body; because the protection of straight length is loosened the soil and can not fallen in the moulding stake.
To revolve a soft formation that digs bottom, hole in order removing, a pumping system (also can the manually clear end, with reference to prior art, be not described further) can also to be set, a kind of be used to remove revolve dig a pumping system of bottom, the hole soft formation soil body, comprise water-delivery pump, mud suction pump; Also comprise spray suction device, described spray is inhaled device and is made of the suction mud chamber of hollow and the annular spray chamber of circumferentially being located at outside the suction mud chamber; The upper end of spray chamber is provided with the water inlet head that links to each other with the water-delivery pump outlet pipe, and the sidewall of spray chamber is provided with water spout; The top of inhaling the mud chamber is provided with connector and is connected by the outlet pipe of suction tube with the mud suction pump, and the bottom of inhaling the mud chamber is provided with the water sucking mouth.
Further, described suction mud chamber is a cylindrical structure, and spray chamber is the annulus barrel structure; Spray chamber housing pivot bush unit is outside the housing of inhaling the mud chamber, and this spray chamber housing evenly is provided with some water spouts, and water spout is along the same tangential direction setting of spray chamber housing, and water mixes with the soft formation soil body from the water spout ejection during use.
When the weak soil layer that digs a bottom, hole is revolved in the needs cleaning, water-delivery pump pours into a high pressure clear water by water-delivery pump outlet pipe 41 toward a bottom, hole, spray is inhaled device water spout place and is sprayed (spraying to bottom, stake hole and sidewall) outward then, because water spout is towards same direction of rotation, so spray is inhaled device along with the reaction force of the clear water generation of ejection is realized rotation, constantly the water of mud is with in bottom, agitation pile hole, further produce eddy current, the mud of bottom, stake hole is sucked the hollow disc middle part, this moment, the suction tube 43 by the mud suction pump was extracted mud out continually, after the water quality that sludge pump is extracted out is limpid, the soft formation cleaning of bottom, stake hole is clean, is higher than use standard (revolve and dig bottom, a hole soft formation thickness less than 5cm) far away, after the soft formation cleaning is clean, close water-delivery pump, sludge pump can work on a period of time, and cleaning is clean until bottom, stake hole, because the sludge pump suction tube is provided with one way valve, so the water in the suction tube can not pour in down a chimney, can guarantee a cleannes of bottom, hole.
On the whole, revolve and dig stake stake shell structure length and be greater than to revolve and dig a hole depth, preferred arrangement is: revolve and dig a stake stake shell structure length specific rotation and dig the long 1m of a hole depth, so just can guarantee install revolve dig a shell structure after, revolve and dig a hole and have and avoid personnel to fall into safeguard structure in the hole; The length of reinforced concrete pipe is 1m, 2m or 5m, thus at different depth the stake hole, all can be by the suitable straight length of reinforced concrete pipe splicing place, versatility is stronger.
The reinforcing cage outside is provided with the support that is used to support straight length, in the present embodiment, revolves and digs a stake stake shell structure bottom outside and also be provided with the support that is used to support straight length.Reinforcing cage is placed in the support, and to bear weight, when promptly the degree of depth in stake hole was dark, the bottom of stake shell was stressed too big, and the force structure of reinforcing cage may not meet design requirement, and need a support be set in the outside of reinforcing cage.
The utility model mounting method is as follows, with the straight length is split-type structural, steel bar connecting structure adopts the column section to add the form of taper section, it is example (straight length is that monolithic construction is similar) that long-pending native falling stop device adopts the 2nd kind of scheme: see Fig. 9, wherein lithosphere 5, layer 6 loosens the soil, sand stone layer 7 is an environment for use of the present utility model, revolve dig a hole forming after, at first sink to reinforcing cage, (the affixed process of reinforced concrete pipe and reinforcing cage can be finished on ground bottom to sink to each reinforced concrete pipe then successively, integral body sinks in the hole then), each reinforced concrete pipe is realized perpendicular positioning (each reinforced concrete pipe coaxial arrangement in vertical direction) by syndeton, the reinforced concrete pipe that promptly is positioned at the top is progressively realized and the reinforced concrete pipe location (coaxial arrangement) that is positioned at the below along the taper section, long-pending native falling stop device mounting means is, in advance the related flexible protective material of skeleton is opened → according to revolving borehole footpath and straight length diameter, adjust position that spring connects and make spring length, pulling force and elongation are suitable, adjust safety rope length, make skeleton open and straight length between angle suitably → skeleton is drawn in, lift the stake aperture with the related long-pending native falling stop device of colligation → straight lengths such as rope or steel wire, when long-pending native falling stop device has entered aperture, remove colligation rope or steel wire, make the related flexible protective material of skeleton open, continuation is transferred to the related long-pending native falling stop device of straight length at the bottom of the hole; Perhaps the related long-pending native falling stop device lifting of straight length arrives designated depth, the more related flexible protective material of skeleton is opened, and continuation is transferred to the related long-pending native falling stop device of straight length at the bottom of the hole; Secondly, pumping system is installed, be about to the water-delivery pump outlet pipe, the hollow disc in water-supply-pipe exit, the suction tube of sludge pump by revolve dig in the stake stake shell vacancy and sink at the bottom of, when the weak soil layer that digs a bottom, hole is revolved in the needs cleaning, water-delivery pump pours into the high pressure clear water by the water-delivery pump outlet pipe toward bottom, stake hole, spray outward at the nozzle place at hollow disc place then, because nozzle is towards same direction of rotation, so hollow disc is along with the reaction force of the clear water generation of ejection is realized rotation, constantly the water of mud is with in bottom, agitation pile hole, further produce eddy current, the mud of bottom, stake hole is sucked the hollow disc middle part, continually extract mud by the suction tube of mud suction pump this moment, after the water quality that sludge pump is extracted out is limpid, the soft formation cleaning of bottom, stake hole is clean, be higher than use standard (revolve and dig bottom, a hole soft formation thickness) far away less than 5cm, after the soft formation cleaning is clean, close water-delivery pump, sludge pump can work on a period of time, and cleaning is clean until bottom, stake hole, because the sludge pump suction tube is provided with one way valve, so the water in the suction tube can not pour in down a chimney, can guarantee a cleannes of bottom, hole; At last, toward the stake hole in the concrete perfusion moulding get final product.
Explanation is at last, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (10)
1. one kind revolves and digs a stake stake shell structure, it is characterized in that, and the straight length (1) that comprises reinforcing cage (3) and make by steel bar concrete, described straight length (1) one end and reinforcing cage (3) one ends are connected; Described straight length (1) is spliced by 1～30 joint reinforced concrete pipe.
2. according to claim 1 revolving dug stake stake shell structure, it is characterized in that, described reinforced concrete pipe comprises body (100), described body (100) contains some vertical muscle (11) and some stirrups (12), and described body (100) both ends or one end connecting portion is provided with the steel bar connecting structure that is used for the two adjacent body location and the formula structure that links into an integrated entity.
3. according to claim 2 revolving dug stake stake shell structure, it is characterized in that described steel bar connecting structure is the socket mode; End at body (100) is provided with bulge loop section (411), is provided with the socket section that cooperates with described bulge loop section (411) at the other end of body (100); Described bulge loop section (411) is made up of the stirrup of some vertically arranged main muscle and circumferential arrangement; The upper end of described bulge loop section (411) also is provided with closing in taper section (412), and described closing in taper section (412) is made of the some main muscle that are in tilted layout and the stirrup of some circumferential arrangement.
4. according to claim 2 revolving dug stake stake shell structure, it is characterized in that described steel bar connecting structure is a docking mode; , dock along the tube wall spiro rod section (421,422) that stretches out respectively at the two ends of body (100) by sleeve (423).
5. dig stake stake shell structure according to arbitrary described the revolving of claim 1-4, it is characterized in that, also comprise at least one long-pending native falling stop device (2) of being located at straight length (1), should long-pending native falling stop device be circulus, the inner edge of described circulus be attached to revolve to dig on the stake stake shell straight length and with described straight tube shape and adapts.
6. according to claim 5 revolving dug stake stake shell structure, it is characterized in that, but described long-pending native falling stop device is the folding circulus.
7. according to claim 6 revolving dug stake stake shell structure, it is characterized in that, but described folding circulus is the annular seal air bag, and described annular seal air bag circumferentially is located at and is revolved the straight length outer wall that digs stake stake shell, and air bag is provided with the high pressure valve.
8. according to claim 6 revolving dug stake stake shell structure, it is characterized in that, but described folding circulus is for falling beveled structure; Described beveled structure is a loop tray, and described pallet circumferentially is located at and is revolved a straight length outer wall that digs stake stake shell, is made up of skeleton and ring-type supporting plate;
Described supporting plate circumferentially is located at and is revolved a straight length outer wall that digs stake stake shell, and described skeleton is located at the below of annular supporting plate by a plurality of rod-like element looping arrays, and annular pallet is supported; One end of described rod-like element with revolve a straight length outer wall that digs stake stake shell and be connected by the part that is rotatably connected, fixedly connected below the other end and the supporting plate, by opening and folding of the part realization supporting plate that is rotatably connected.
9. according to claim 8 revolving dug stake stake shell structure, it is characterized in that, the described part that is rotatably connected comprises erection loop, articulated elements, spring and safety rope, described erection loop comprises is located at first, second and the 3rd erection loop that revolves the straight length outer wall that digs stake stake shell from top to bottom, and each rod-like element of described skeleton is inboard hinged by the described articulated elements and second erection loop; Spring is located at the loop tray below, and an end of spring is connected with the rod-like element middle part or the outside, and the other end is connected with the 3rd erection loop, and safety rope is arranged in first erection loop and an end is connected with the described rod-like element middle part or the outside, and the other end is located at the straight length entrance.
10. according to claim 8 revolving dug stake stake shell structure, it is characterized in that the flexible protective material that described annular supporting plate is one of canvas, rubber or plastics constitutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320113682 CN203096736U (en) | 2013-03-13 | 2013-03-13 | Rotary drilling pile shell structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320113682 CN203096736U (en) | 2013-03-13 | 2013-03-13 | Rotary drilling pile shell structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203096736U true CN203096736U (en) | 2013-07-31 |
Family
ID=48848153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320113682 Expired - Fee Related CN203096736U (en) | 2013-03-13 | 2013-03-13 | Rotary drilling pile shell structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203096736U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103114584A (en) * | 2013-03-13 | 2013-05-22 | 中冶建工集团有限公司 | Pile shell structure of rotary excavating pile |
-
2013
- 2013-03-13 CN CN 201320113682 patent/CN203096736U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103114584A (en) * | 2013-03-13 | 2013-05-22 | 中冶建工集团有限公司 | Pile shell structure of rotary excavating pile |
| CN103114584B (en) * | 2013-03-13 | 2015-06-24 | 中冶建工集团有限公司 | Pile shell structure of rotary excavating pile |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106761763B (en) | A kind of shaft excavation machine and its construction method | |
| CN103114577B (en) | Rotary excavating hole-forming construction method for building pile foundation | |
| JP6144542B2 (en) | Nakabori excavator | |
| CN109653682B (en) | Drill bit with adjustable drill diameter and hole digging machine | |
| CN206267851U (en) | A kind of novel silo development machine | |
| CN103603344B (en) | A kind of spiral-digging pore cast-in-place pile construction method preventing collapse hole | |
| CN102966094B (en) | Method for constructing concrete pile through rotary excavating and pressure irrigation | |
| CN111236233B (en) | Method for removing pile head floating slurry of cast-in-place pile | |
| CN103104209B (en) | Device for preventing falling of accumulated soil for rotatablely excavated pile hole | |
| CN203096736U (en) | Rotary drilling pile shell structure | |
| CN101858196B (en) | Low gravity center three-axle spiral drilling machine and drilling method thereof | |
| CN105178324A (en) | Construction device for umbrella tray type special-shaped pile | |
| CN103114584B (en) | Pile shell structure of rotary excavating pile | |
| CN203114221U (en) | Soil falling-stopping device used for rotary excavating pile hole | |
| CN103981860A (en) | Energy-saving down-the-hole hammer cast-in-place pile and equipment for taking dry soil | |
| CN103603340B (en) | Flexible protective prevents the spiral-digging pore cast-in-place pile construction method of collapse hole | |
| CN113669005B (en) | Reducing type bored concrete pile device | |
| CN203097780U (en) | Reverse-umbrella-shaped accumulated soil falling stopping device for rotary excavating pile hole | |
| CN202788746U (en) | Drilling tool device for drilling, grouting and wall protection | |
| CN204252121U (en) | A kind ofly amass native falling stop device for revolving the two V shape liftables digging a pore-forming | |
| CN203097779U (en) | Air bag accumulated soil falling stopping device for rotary excavating pile hole | |
| CN103103982B (en) | Reinforced concrete pipe for structure of rotatablely excavated pile shell | |
| CN203096735U (en) | Reinforced concrete tube for rotary excavating pile shell | |
| CN106988361A (en) | Pick machine is repaiied in a kind of square hole stake | |
| CN203097766U (en) | Pump system for cleaning soft layer soil on bottom of rotary excavating pile hole |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20160313 |