CN207878453U - Filling pile head reinforcing bar protective device - Google Patents
Filling pile head reinforcing bar protective device Download PDFInfo
- Publication number
- CN207878453U CN207878453U CN201721619169.0U CN201721619169U CN207878453U CN 207878453 U CN207878453 U CN 207878453U CN 201721619169 U CN201721619169 U CN 201721619169U CN 207878453 U CN207878453 U CN 207878453U
- Authority
- CN
- China
- Prior art keywords
- casing
- positioning
- reinforcing bar
- inner ring
- pile crown
- 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.)
- Active
Links
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The utility model filling pile head reinforcing bar protective device,It is related to technical field of building construction,Pile crown reinforcing bar protective device includes casing,Casing back cover lid,Casing positioning card,Casing capping cover,Casing is the straight tube of two open ends,Casing is sleeved on outside pile crown reinforcing bar,Casing back cover lid includes the sleeve I being sleeved on the outside of casing shoe and the back cover cover board for being connected to I bottom of sleeve,It is equipped with and the matched main aperture of pile crown reinforcing bar in the middle part of back cover cover board,The both sides of main aperture are respectively equipped with the mounting hole that aperture is far smaller than main aperture aperture,Casing positioning card includes positioning outer shroud and positioning inner ring,It is connected by connecting rod between positioning outer shroud and positioning inner ring,Positioning outer shroud is located in the inside of casing,Positioning inner ring is located in pile crown reinforcing bar outer surface,The positioning inner ring of casing positioning card is stuck in pile crown reinforcing bar outer surface,The positioning outer shroud of casing positioning card is stuck in the inside of casing,Casing capping cover includes the sleeve II being sleeved on the outside of cannula tip and the cover board that binds for being connected to II top of sleeve.
Description
Technical field
The utility model is related to technical field of building construction, more particularly to a kind of filling pile head reinforcing bar protective device.
Background technology
Because of design requirement, filling pile head reinforcing bar need to anchor into stake top foundation platform or bottom plate.In general, it is applying
Any safeguard measure is not done to filling pile head reinforcing bar during work, filling pile head reinforcing bar is closely glued by pile crown concrete laitance
Knot package, as shown in Figure 1,1- pile crowns concrete laitance in figure, 2- pile crown reinforcing bars, 3- pile body stirrups, 4- steel reinforcement cage tie hoops,
5- pile concretes, D is the thickness of pile crown concrete laitance in Fig. 1.To cut pile crown mixed for hand breaking again after concrete setting
Pile crown reinforcing bar is manifested after solidifying soil laitance.This prior art has the following disadvantages：（1）It is cut in pile crown concrete laitance
In the process, operating personnel agitate laitance block using crowbar, easily make to be fractureed by the pile crown reinforcing bar that laitance tight bond is wrapped up or sternly
It is bent again；（2）When the pile crown reinforcing bar of artificial straightening bending, serious bending place will produce fatigue damage, and pile crown reinforcing bar is caused to occur
Fracture, reduces the stress performance of reinforcing bar；（3）The concrete block bonded on pile crown reinforcing bar is difficult to clean off；（4）The bar planting of pile crown reinforcing bar
Not only increase engineering cost, but also delay construction period with straightening processing.
Invention content
The purpose of this utility model is in view of the above-mentioned drawbacks of the prior art, providing a kind of filling pile head reinforcing bar guarantor
Protection unit, being capable of effective protection pile crown reinforcing bar, it is ensured that pile crown reinforcing bar cuts process in pile crown concrete laitance and is not broken or curved
Song damage, construction method simple installation is quick, can save engineering cost and shorten the construction period.
The utility model to achieve the above object the technical solution adopted is that：A kind of filling pile head reinforcing bar protective device,
Including casing, casing back cover lid, casing positioning card, casing capping cover, casing is the straight tube of two open ends, and casing is sleeved on pile crown steel
Outside muscle, casing back cover lid includes the sleeve I being sleeved on the outside of casing shoe and the back cover cover board for being connected to I bottom of sleeve, back cover lid
Be equipped in the middle part of plate with the matched main aperture of pile crown reinforcing bar, the both sides of main aperture are respectively equipped with the installation that aperture is far smaller than main aperture aperture
Hole, casing positioning card include positioning outer shroud and positioning inner ring, position and are connected by connecting rod between outer shroud and positioning inner ring, positioning is outer
Ring is located in the inside of casing, and positioning inner ring is located in pile crown reinforcing bar outer surface, and the positioning inner ring of casing positioning card is stuck in pile crown
The positioning outer shroud of reinforcing bar outer surface, casing positioning card is stuck in the inside of casing, and casing capping cover includes being sleeved on the outside of cannula tip
Sleeve II and be connected to the cover board that binds at the top of sleeve II.
The further technical solution of the utility model is：It is set between the positioning outer shroud and positioning inner ring of described sleeve pipe positioning card
It is equipped with the interface channel being mutually communicated, interface channel ecto-entad tapers into, and interface channel and the connection of positioning inner ring are transferred
Place is provided with a pair of elastic clamp arm, and elastic clamp arm is extended to form to positioning inner ring inside, and elastic clamp arm is arc.
The utility model filling pile head reinforcing bar protective device has the advantages that：
1. compared with bored concrete pile traditional construction technique, the utility model filling pile head reinforcing bar protective device can avoid in stake
Head laitance fractures or is bent pile crown reinforcing bar during cutting, and later stage additional pile crown bar planting or pile crown bar bending fatigue is avoided to damage
It is bad, artificial, waste of material is reduced, reduces engineering cost, and avoid delay the duration；
2. using the utility model filling pile head reinforcing bar protective device, construction method is easy to operate, it is easy for installation, apply
Work is quick, while ensureing filling pile head steel bar quality, accelerates engineering construction progress；
3. using the utility model filling pile head reinforcing bar protective device, the more other way convenient material drawings of construction method, portion
Divide material（Block as casing positions）Repeatable to utilize, cost is also more cheap.
The utility model filling pile head reinforcing bar protective device is further described with reference to the accompanying drawings and examples.
Description of the drawings
Fig. 1 is the schematic diagram that prior art filling pile head reinforcing bar is wrapped up by pile crown concrete laitance；
Fig. 2 is the schematic diagram of the utility model filling pile head reinforcing bar protective device casing；
Fig. 3 is the schematic diagram of the utility model filling pile head reinforcing bar protective device casing back cover lid；
Fig. 4 is the schematic diagram of the utility model filling pile head reinforcing bar protective device casing capping cover；
Fig. 5 is the schematic diagram of the utility model filling pile head reinforcing bar protective device casing positioning card；
Fig. 6 is the schematic diagram of filling pile cage of reinforcement lifting for the first time；
Fig. 7 is the sectional view of filling pile cage of reinforcement lifting for the first time；
Fig. 8 is that thin wire passes through the schematic diagram after two mounting holes of casing back cover lid；
Fig. 9 is the schematic diagram that casing back cover lid is mounted on pile crown reinforcing bar；
Figure 10 is the schematic diagram that the thin wire that casing back cover covers is bundled on the horizontal hoop of steel reinforcement cage top；
Figure 11 is the schematic diagram after the back cover cover board inner surface layer overlay clay of casing back cover lid；
Figure 12 is the schematic diagram being stuck in casing positioning on pile crown reinforcing bar；
Figure 13 is the schematic diagram being sleeved on casing outside the pile crown reinforcing bar that card has casing positioning to block；
Figure 14 is that sand is filled in the casing shown in Figure 13（Or the wooden chaff）Schematic diagram afterwards；
Figure 15 is to cover casing capping cover to fill sand（Or the wooden chaff）Casing on schematic diagram；
Figure 16 is that pile crown reinforcing bar all loads onto the schematic diagram after pile crown reinforcing bar protective device；
Figure 17 is to hang filling pile cage of reinforcement to the schematic diagram behind designed elevation position；
Figure 18 is the schematic diagram after casting concrete in filling pile cage of reinforcement；
Figure 19 is after concrete coagulation removes stake holes top steel pile casting（Before abolishing bored concrete pile stake top laitance）Schematic diagram；
Figure 20 is after abolishing bored concrete pile stake top laitance and to remove the schematic diagram after filling pile head reinforcing bar protective device；
Drawing reference numeral explanation：1- pile crown concrete laitances, 2- pile crown reinforcing bars, 3- pile body stirrups, 4- steel reinforcement cage tie hoops,
5- pile concretes, 6- casings, 7- casing back cover lids, 8- mounting holes, 9- back cover cover boards, 10- main apertures, 11- sleeves I, 12- casings
Capping cover, 13- bind cover board, 14- sleeves II, 15- casings positioning card, 16- connecting rods, and 17- positions inner ring, 18- elasticity clamp arm,
19- positions outer shroud, 20- interface channels, 21- steel pipes, 22- hole for grout pile top, 23- thin wires, the water of 24- steel reinforcement cage tops
Flat stirrup, 25- clay, 26- sands（Or the wooden chaff）, 27- pile crown reinforcing bar protective devices, 28- steel reinforcement cages, 29- stake holes top steel pile casting,
30- mud, 31- stake holes face, 32- pile crowns abolish preceding excavation face.
Specific implementation mode
As shown in Figures 2 to 5, the utility model filling pile head reinforcing bar protective device, including casing, casing back cover lid,
Casing positioning card, casing capping cover.Casing is the straight tube of two open ends, and casing is sleeved on outside pile crown reinforcing bar.Shell material is pvc pipe
Material, the length of casing is depending on the length of pile crown reinforcing bar, using cutting machine blanking, accomplishes that notch is straight.Casing back cover
Lid includes being sleeved on the sleeve I on the outside of casing shoe and being connected to the back cover cover board of I bottom of sleeve, is equipped with and stake in the middle part of back cover cover board
The head matched main aperture of reinforcing bar, the both sides of main aperture are respectively equipped with the mounting hole that aperture is far smaller than main aperture aperture.Casing back cover lid
It is process using the PVC material finished product lid of market sale, opens main aperture in back cover cover board center with hand-operated electric drill, main aperture aperture is
Pile crown bar diameter+4mm；Mounting hole is symmetrically bored in main aperture both sides, mounting hole pricks thin iron wire for tying.Casing positioning, which blocks, includes
Outer shroud and positioning inner ring are positioned, positions and is connected by connecting rod between outer shroud and positioning inner ring, positioning outer shroud is located in the interior of casing
Side, the diameter for positioning outer shroud are equal to or slightly less than the internal diameter of casing, and positioning inner ring is located in pile crown reinforcing bar outer surface, positions inner ring
Diameter be slightly larger than pile crown reinforcing bar outer diameter, the positioning inner ring of casing positioning card is stuck in pile crown reinforcing bar outer surface, casing positioning card
Positioning outer shroud is stuck in the inside of casing.Casing positioning card uses the cushion block of concrete bar protective layer of finished product（Plastic material）, certain casing
Positioning card or tagger.Casing capping cover includes the sleeve II being sleeved on the outside of cannula tip and is connected at the top of sleeve II
The cover board that binds, casing capping cover use market sale PVC material finished product lid.In the present embodiment, what casing positioning blocked determines
It is provided with the interface channel being mutually communicated between position outer shroud and positioning inner ring, interface channel ecto-entad tapers into, and connection is logical
Road and the connection turning point of positioning inner ring are provided with a pair of elastic clamp arm, and elastic clamp arm is extended to form to positioning inner ring inside, bullet
Property clamp arm be arc, the setting of elastic clamp arm makes casing positioning card that can more effectively clamp pile crown reinforcing bar.
The utility model filling pile head reinforcing bar protective device is implemented according to the following steps in construction：
(1) filling pile cage of reinforcement lifts for the first time：As shown in Figure 6,7, the steel reinforcement cage processed is hung using crane
Dress, the top of steel reinforcement cage are higher by 0.8-1 meters of priming concrete pile hole top surface, and the horizontal hoop of steel reinforcement cage top is passed through using steel pipe, by
Steel pipe hangs over steel reinforcement cage lift in stake holes；
(2) filling pile head reinforcing bar protective device is installed outside every pile crown reinforcing bar：As shown in figure 8, being worn with thin wire
Two mounting holes that casing back cover covers are crossed, two free end of thin wire extends respectively to outside the back cover cover board of casing back cover lid, with
Just can banding fixed, as shown in figure 9, pile crown reinforcing bar passes through the main aperture in the middle part of casing back cover lid, back cover cover board is against steel reinforcement cage most
On the horizontal hoop at top, thin wire is bundled on the horizontal hoop of steel reinforcement cage top（As shown in Figure 10）, make thin wire
Lashing is on the horizontal hoop of steel reinforcement cage top, fixed back cover lid, in the back cover cover board inner surface of casing back cover lid
Spread one layer of clay（As shown in figure 11）, the thickness of clay is 10mm, clay concrete pulp-water can be prevented from central main aperture gap and
The gap position of mounting hole enters in protective device, and casing positioning card is installed respectively in three positions of upper, middle and lower of pile crown reinforcing bar
（As shown in figure 12）, when installation casing positioning blocks, pile crown reinforcing bar is stuck in positioning inner ring and elastic clip by interface channel slid inward
Between arm.The casing processed is blocked along casing positioning again and vertically holds plug-in-sleeve back cover lid, at casing and casing back cover lid socket joint
It is bonded using PVC glue（As shown in figure 13）, sand is filled up into casing（Or xylose）（As shown in figure 14）, naturally it is also possible to it fills out
The wooden chaff or other particulate matters for being not easy to condense are filled, casing capping cover, casing and casing capping cover socket joint are covered in cannula tip
Place is bonded using PVC glue（As shown in figure 15）, each pile crown reinforcing bar is all then installed into pile crown reinforcing bar protective device（Such as
Shown in Figure 16）.
（Three）Second of lifting in place of filling pile cage of reinforcement：Steel reinforcement cage is up sling with crane, lift is taken out and hangs over steel reinforcement cage
Then steel pipe under the horizontal hoop of top hangs steel reinforcement cage to designed elevation position（As shown in figure 17）；
（Four）Cast-in-place pile concrete pours：When concreting, tremie occupies steel reinforcement cage center, prevents conduit or more
Pile crown reinforcing bar protective device is damaged when being extracted into.Concreting is to being higher by protective device top 100mm or more.Hole for grout pile top steel
Casing is accomplished vertically to drink spike when removing to be carried slowly, prevents the damaged in collision protective device, as shown in figure 18 after the completion of concreting；
（Five）Pile crown concrete laitance is cut：After pile crown concrete laitance final set, by pile crown periphery earthwork evacuation to setting
Stake top absolute altitude is counted, as shown in figure 19；Pile crown concrete laitance is cut using air compressor machine, pneumatic pick, pile crown concrete is floating to cut completion
Pile crown reinforcing bar protective device is removed afterwards, as shown in figure 20；Bit damage stake is avoided during pile crown concrete laitance is cut
Head reinforcing bar, casing positioning card are cleaned out rear reusable.
Above example is only the preferred embodiment of the utility model, and the structure of the utility model is not limited to above-mentioned implementation
The form enumerated of example, any modification made within the spirit and principle of the present invention, equivalent replacement etc. should all include
It is within the protection scope of the utility model.
Claims (2)
1. a kind of filling pile head reinforcing bar protective device, which is characterized in that including casing（6）, casing back cover lid（7）, casing it is fixed
Position card（15）, casing capping cover（12）, casing（6）It is the straight tube of two open ends, casing（6）It is sleeved on pile crown reinforcing bar（2）Outside, casing
Back cover lid（7）Including the sleeve I being sleeved on the outside of casing shoe（11）And it is connected to sleeve I（11）The back cover cover board of bottom（9）, envelope
Bottom plate（9）Middle part is equipped with and pile crown reinforcing bar（2）Matched main aperture（10）, main aperture（10）Both sides be respectively equipped with aperture much
Less than main aperture（10）The mounting hole in aperture（8）, casing positioning card（15）Including positioning outer shroud（19）And positioning inner ring（17）, positioning
Outer shroud（19）With positioning inner ring（17）Between pass through connecting rod（16）Connection positions outer shroud（19）It is located in casing（6）Inside, it is fixed
Position inner ring（17）It is located in pile crown reinforcing bar（2）Outer surface, casing positioning card（15）Positioning inner ring（17）It is stuck in pile crown reinforcing bar（2）
Outer surface, casing positioning card（15）Positioning outer shroud（19）It is stuck in casing（6）Inside, casing capping cover（12）Including being sleeved on
Pipe（6）The sleeve II of apical lateral（14）And it is connected to sleeve II（14）The cover board that binds at top（13）.
2. filling pile head reinforcing bar protective device as described in claim 1, which is characterized in that described sleeve pipe positioning card（15）'s
Position outer shroud（19）With positioning inner ring（17）Between be provided with the interface channel being mutually communicated（20）, interface channel（20）By extroversion
It inside tapers into, interface channel（20）With positioning inner ring（17）Connection turning point be provided with a pair of elastic clamp arm（18）, elasticity
Clamp arm（18）To positioning inner ring（17）Inside extends to form, elastic clamp arm（18）For arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721619169.0U CN207878453U (en) | 2017-11-28 | 2017-11-28 | Filling pile head reinforcing bar protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721619169.0U CN207878453U (en) | 2017-11-28 | 2017-11-28 | Filling pile head reinforcing bar protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207878453U true CN207878453U (en) | 2018-09-18 |
Family
ID=63501182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721619169.0U Active CN207878453U (en) | 2017-11-28 | 2017-11-28 | Filling pile head reinforcing bar protective device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207878453U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108005060A (en) * | 2017-11-28 | 2018-05-08 | 广西建工集团第三建筑工程有限责任公司 | Filling pile head reinforcing bar protective device and its construction method |
-
2017
- 2017-11-28 CN CN201721619169.0U patent/CN207878453U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108005060A (en) * | 2017-11-28 | 2018-05-08 | 广西建工集团第三建筑工程有限责任公司 | Filling pile head reinforcing bar protective device and its construction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108005060A (en) | Filling pile head reinforcing bar protective device and its construction method | |
| CN102493434B (en) | Construction method for integrally and quickly hoisting and removing pile head of bored cast-in-place pile | |
| CN106759336A (en) | A kind of cast-in-situ bored pile quickly abolishes pile crown construction method | |
| CN106400802B (en) | A kind of drilled pile pile crown is pre-buried to exempt from the whole quickly lifting method of ring cutting that drills | |
| CN106498950B (en) | Anchor head is placed in the implementation method of the Pile-Anchor Supporting for Deep Excavation system of pile body | |
| CN105604344B (en) | A kind of reinforcement means for having crack interior wall | |
| CN207878453U (en) | Filling pile head reinforcing bar protective device | |
| CN108612109A (en) | The carrierless method for dismounting of concrete support beam | |
| CN104631460A (en) | Girdling splitting type integral pile breaking method | |
| CN106120792A (en) | A kind of pile foundation pile crown concrete prestripping assembly and construction method | |
| CN106958245A (en) | The quick structure and method for abolishing concrete pile head | |
| CN207739259U (en) | A kind of filling pile head cuts device | |
| CN104480931B (en) | Fast file head removing method for mechanical pore forming pouring pile | |
| CN105672250B (en) | A kind of diaphram wall and underwater concrete tongue and groove bindiny mechanism and construction method | |
| CN106760004A (en) | A kind of construction method of the uniform joint bar in guide trough structure surface | |
| CN106978809A (en) | A kind of construction method of casing off concrete protective reserved steel bar | |
| CN207904914U (en) | A kind of anti-floating constructing structure of filling pile cage of reinforcement | |
| CN206859222U (en) | The quick structure for abolishing concrete pile head | |
| CN206941586U (en) | A kind of device for improving pile crown and abolishing efficiency | |
| CN109944246A (en) | A kind of construction method of broken pile head | |
| CN206143608U (en) | Assembled T beam bridge hogging moment district anchorage sealing system | |
| CN107201752A (en) | Underground Construction stitches position formwork and rubber fastening band fixed structure and its construction method | |
| CN108086306A (en) | A kind of pile crown concrete construction and cut method | |
| CN107059909A (en) | A kind of bridge foundation and substructure construction method | |
| CN105350524A (en) | Steel reinforcement cage structure, concrete filling pile structure and construction method of concrete filling pile structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |