Disclosure of Invention
In order to improve the accuracy of a detection result, the application provides a pre-buried pile end foundation detection system.
The application provides a pre-buried pile end foundation detection system, which adopts the following technical scheme:
the embedded pile is of a tubular structure, the embedded pile is provided with a plugging mechanism and a detection mechanism, the plugging mechanism comprises a sealing plate, a plugging rod, a sliding ring and a connecting assembly, the sealing plate is arranged at one end of the embedded pile, which is positioned in the pouring hole, a sliding hole is formed in the sealing plate, the sliding ring is arranged at one end of the plugging rod and slides in the sliding hole, and the plugging rod is connected with the embedded pile through the connecting assembly; the detection mechanism is detachably connected with the embedded pile.
Through adopting above-mentioned technical scheme, when carrying out pile foundation pouring, firstly place the pre-buried stake in pouring downthehole, then slip the shutoff pole and drive the slip ring towards sliding hole and be close to, until the slip ring is pegged graft in the hole that slides, then fix the shutoff pole with coupling assembling, carry out concrete pouring, after the concrete pouring finishes, after waiting for the strong end, remove the connection of shutoff pole and pre-buried stake with coupling assembling, then will drive the slip ring with the shutoff pole and extract the hole that slides, then drop detection mechanism to pass the hole that slides and lie in the concrete, then carry out ultrasonic detection, the shutoff mechanism simple structure of setting and be convenient for demolish, and be convenient for detection mechanism stretches into in the concrete, make detection mechanism detection range in, there is less shielding, and then make the testing result more accurate.
Optionally, the sealing plate is close to the one end of keeping away from pouring hole diapire and has offered the be convenient for the slip of slip ring gets into the chamfer, the seal groove has been seted up on the lateral wall of slip ring, install the sealing washer in the seal groove.
Through adopting above-mentioned technical scheme, when the shutoff pole drives the slip ring and is close to towards the hole that slides, the slip ring at first gets into the downthehole with the chamfer butt and along the chamfer, then the sealing washer gets into the downthehole that slides, the sealing washer that sets up reduces concrete and gets into the embedded pile, the quick location of slip ring of being convenient for through the chamfer that sets up simultaneously, can reduce the damage of sealing washer simultaneously, can reduce the concrete simultaneously and get into and attach in the downthehole that slides, the installation of the detection mechanism of being inconvenient for the precision of testing result can be kept.
Optionally, the coupling assembling includes spacing ring, draws ear and tie bolt, the spacing ring sets up the slip ring is close to the one end of shutoff pole, draw the ear to set up on the shutoff pole, tie bolt passes draw the ear with pre-buried stake threaded connection.
By adopting the technical scheme, the plugging rod drives the sliding ring to approach the sealing plate, the sliding ring enters the sliding hole until the limiting ring is abutted against the sealing plate, and then the pull lug is driven by the pulling bolt to approach the embedded pile; meanwhile, the concrete entering and adhering to the sliding holes can be reduced, the installation of the detection mechanism is inconvenient, and the accuracy of the detection result is kept.
Optionally, the embedded pile is provided with an anchoring mechanism, the anchoring mechanism comprises an anchoring rod, and the anchoring rods are provided with a plurality of anchoring rods and are all arranged on the embedded pile.
Through adopting above-mentioned technical scheme, detect the back, need pour into concrete in the embedded pile, the bulk strength of the reinforcing pile foundation of being convenient for, the anchoring mechanism simple structure of setting can reduce the damage of embedded pile to pile foundation structure simultaneously, and the concrete of being convenient for pour into forms a whole with the concrete of embedded pile and pouring.
Optionally, a plurality of anchor holes have been seted up on the built-in pile, anchor hole intercommunication built-in pile and pouring hole, be connected with the shutoff subassembly on the built-in pile detachably and be used for reducing when pouring concrete entering in the built-in pile.
Through adopting above-mentioned technical scheme, when pouring downthehole concrete placement is poured to the messenger, in partial concrete got into the anchor hole, after detecting, the concrete of pouring contacted with the downthehole concrete of anchor, reinforcing anchor area, the concrete of being convenient for simultaneously was poured and is poured downthehole concrete's connection, further reinforcing pile foundation's fastness, reduced the influence of detection to the pile foundation.
Optionally, the plugging assembly comprises grouting blocks and plugging plates, wherein a plurality of grouting blocks are arranged on the inner wall of the embedded pile, and the grouting blocks are connected with the anchoring holes and provided with slurry inlet holes communicated with the anchoring holes; the plugging rod is provided with a plurality of plugging plates, and the plugging plates slide along with the plugging rod and are used for plugging the slurry inlet holes.
Through adopting above-mentioned technical scheme, when pouring downthehole concrete of pouring, partial concrete gets into the thick liquid downthehole, forms the concrete pole, and concrete pole and anchor double-deck anchor, reinforcing embedded pile second-stage pouring, the connectivity between embedded pile and the first concrete pouring three, further reinforcing pile foundation's fastness reduces the destruction to the pile foundation.
Optionally, the plugging assembly further comprises plugging blocks, the plugging blocks are arranged on the plugging plates, slurry outlet holes are formed in the side walls, close to the grouting blocks, of the plugging blocks, and the slurry outlet holes correspond to and are communicated with the slurry inlet holes; the grouting block is provided with a first guide surface, one end, which is obliquely arranged and close to the bottom wall of the pouring hole, of the first guide surface is inclined towards the direction close to the plugging rod, the plugging block is far away from the side wall of the plugging rod, and a second guide surface is arranged on the side wall of the plugging rod, and is parallel to and in butt joint with the first guide surface.
Through adopting above-mentioned technical scheme, when pouring downthehole concrete of pouring, partial concrete gets into the thick liquid downthehole to get into out the thick liquid downthehole formation concrete pole through the thick liquid downthehole entering of advance, then demolish after the shutoff pole, the concrete pole has increased with the inside area of contact of embedded pile, has increased the contact of rough surface, and then makes the connectivity of embedded pile second-phase poured concrete and first-phase concrete, makes the steadiness of pile foundation keep.
Optionally, the anchor rod is provided with a reinforcing hole communicated with the inside of the embedded pile.
Through adopting above-mentioned technical scheme, multilayer anchor is connected, and further reinforcing embedded pile second-stage is pour and the connectivity of embedded pile and first-stage concrete building, further reinforcing pile foundation's fastness reduces the destruction to the pile foundation.
Optionally, a plurality of intercommunicating pores are formed in the anchor rod, the intercommunicating pores are communicated with the reinforcing holes, and a quick and easy closing die is arranged on the intercommunicating pores.
Through adopting above-mentioned technical scheme, in concrete gets into the anchor pole through the intercommunicating pore, then with quick easy binding off mould butt, quick easy binding off mould is blocked the concrete, when can strengthen the second-stage grout simultaneously, the second-stage concrete stretches into the concrete of first-stage pouring in, can strengthen the connectivity of second-stage poured concrete, embedded pile and first-stage concrete building simultaneously, further reinforcing pile foundation's fastness reduces the destruction to the pile foundation.
Optionally, the fast easy-to-close die is bent towards the inside of the reinforcing hole.
By adopting the technical scheme, the concrete enters the anchoring rod through the communicating hole and then is abutted with the quick-easy closing-up die, the quick-easy closing-up die blocks the concrete, and meanwhile, when secondary grouting is enhanced, the secondary concrete stretches into the concrete poured in the first period, and meanwhile, the connectivity of the concrete poured in the second period, the embedded pile and the first-period concrete building can be enhanced, so that the firmness of a pile foundation is further enhanced, and the damage to the pile foundation is reduced; the quick and easy closing-in die is inwards bent to facilitate connection between the concrete poured in one stage and the anchoring rod, and connection between the embedded pile and the concrete is enhanced.
In summary, the application has the following beneficial technical effects:
1. when pile foundation pouring is carried out, firstly, placing the embedded pile in a pouring hole, then sliding a plugging rod to drive a sliding ring to approach to the sliding hole until the sliding ring is spliced in the sliding hole, then fixing the plugging rod by using a connecting component for concrete pouring, after the concrete pouring is finished, removing the connection between the plugging rod and the embedded pile by using the connecting component, then driving the sliding ring by using the plugging rod to pull out the sliding hole, then lowering a detection mechanism to pass through the sliding hole and be positioned in concrete, and then carrying out ultrasonic detection;
2. when the plugging rod drives the sliding ring to approach the sliding hole, the sliding ring is firstly abutted with the chamfer and enters the sliding hole along the chamfer, then the sealing ring enters the sliding hole, the arranged sealing ring reduces the concrete entering the embedded pile, meanwhile, the sealing ring is convenient to rapidly position through the arranged chamfer, meanwhile, the damage of the sealing ring can be reduced, meanwhile, the concrete entering and attaching in the sliding hole can be reduced, the installation of a detection mechanism is inconvenient, and the precision of a detection result can be kept;
3. when pouring concrete in the pouring hole, part of the concrete enters the grout inlet hole and enters the grout outlet hole through the grout inlet hole to form a concrete rod, and then after the plugging rod is removed, the contact area between the concrete rod and the inside of the embedded pile is increased, the contact of a rough surface is increased, and the connectivity between the concrete poured in the second stage of the embedded pile and the concrete in the first stage is further ensured, so that the stability of the pile foundation is maintained;
4. the concrete enters the anchoring rod through the communicating hole and then is abutted with the quick-easy closing-up mold, the quick-easy closing-up mold blocks the concrete, and meanwhile, when secondary grouting can be enhanced, the secondary concrete stretches into the concrete poured in the first period, and meanwhile, the connectivity of the concrete poured in the second period, the embedded pile and the first-period concrete building can be enhanced, the firmness of a pile foundation is further enhanced, and the damage to the pile foundation is reduced; the quick and easy closing-in die is inwards bent to facilitate connection between the concrete poured in one stage and the anchoring rod, and connection between the embedded pile and the concrete is enhanced.
Detailed Description
The present application is described in further detail below with reference to fig. 1-5.
The embodiment of the application discloses a pre-buried pile end foundation detection system.
Referring to fig. 1, the pre-buried pile end foundation detection system includes a pre-buried pile 100 pre-buried in a tubular structure in a casting hole, a blocking mechanism 200 detachably arranged on the pre-buried pile 100, a detection mechanism 300 detachably arranged on the pre-buried pile 100, and an anchoring mechanism 400 arranged on the pre-buried pile 100 for reinforcing connectivity between the pre-buried pile 100 and concrete; when pile foundation pouring is performed, firstly, the anchoring mechanism 400 is installed on the embedded pile 100, then the embedded pile 100 is installed in a pouring hole, then the plugging mechanism 200 is installed, concrete pouring is performed, after pouring is completed and equal strength is achieved, the plugging mechanism 200 is removed, and then the detection mechanism 300 is installed on the embedded pile 100 to detect a pile foundation.
Referring to fig. 1 and 2, the embedded pile 100 may be in a conical tubular structure or a cylindrical tubular structure, in this embodiment, the cross-sectional area of the end of the embedded pile 100 near the bottom of the pouring hole is smaller than the cross-sectional area of the end far from the bottom of the pouring hole, and the conical tubular structure facilitates the installation of the subsequent detection mechanism 300 and the plugging mechanism 200, and can reduce the area of the hole on the pile foundation, so that the strength of the pile foundation is maintained; the plugging mechanism 200 comprises a sealing plate 210 fixedly connected to one end of the embedded pile 100 close to the bottom of the pouring hole, a sliding hole 211 is formed in the sealing plate 210, the axis of the sliding hole 211 coincides with the axis of the embedded pile 100, a sliding ring 230 is slidably connected in the sliding hole 211, the sliding ring 230 is a blind pipe with one end closed or two ends closed, the sliding ring 230 can slide to be abutted to the bottom of the pouring hole or exceed the end of the embedded pile 100, and after the sliding ring 230 is extracted, the detection mechanism 300 is convenient to install; a sealing groove is formed in the peripheral side wall of the sliding ring 230, a sealing ring 250 is sleeved in the sealing groove, and the sealing ring 250 is abutted against the inner wall of the sliding hole 211; the side wall of the sealing plate 210 positioned in the embedded pile 100 is provided with a chamfer 212, and the chamfer 212 is arranged around the sliding hole 211 and is used for guiding the sliding ring 230; the sliding ring 230 is fixedly connected with a plugging rod 220, the plugging rod 220 is positioned in the embedded pile 100, the plugging rod 220 extends to one end of the embedded pile 100, which is far away from the sealing plate 210, and the plugging rod 220 is provided with a connecting assembly 240 for fixing the plugging rod 220.
Referring to fig. 1, 2 and 3, the connection assembly 240 includes a limiting ring 241 fixedly connected to the sliding ring 230, the limiting ring 241 is located at one end of the sliding ring 230 near the plugging rod 220 and abuts against the sealing plate 210, and the limiting ring 241 covers the entire chamfer 212; one end of the plugging rod 220, which is far away from the sliding ring 230, is fixedly connected with a pull lug 242, the pull lug 242 is positioned on one side of the embedded pile 100, which is far away from the bottom of the pouring hole, the embedded pile 100 is provided with a threaded hole, four tension bolts 243 are arranged on the pull lug 242 in a penetrating way, one end of the tension bolt 243 penetrates through the pull lug 242 and is in threaded connection with the threaded hole, and the limit ring 241 is driven to abut against the sealing plate 210 along with the rotation of the tension bolt 243; the sealing plate 210 is provided with a positioning groove 245, the axis of the positioning groove 245 is parallel to the axis of the embedded pile 100 and is positioned on one side of the chamfer 212 far away from the sliding hole 211, the limiting ring 241 is fixedly connected with a positioning block, and one end of the positioning block far away from the limiting ring 241 is provided with a tip end which is convenient for inserting the positioning groove 245, so that the quick positioning of the limiting ring 241 is facilitated; through the setting of coupling assembling 240, further strengthen the stability of slip ring 230, reduce the in-process of pouring concrete, the concrete inflation or come-up promotes slip ring 230 to retract into embedded pile 100, can drive spacing ring 241 simultaneously and support tight shrouding 210, reduces the probability that the concrete got into embedded pile 100.
Referring to fig. 4, the detection mechanism 300 includes a detection rod 320, one end of the detection rod 320 is fixedly connected with an ultrasonic probe 310, the ultrasonic probe 310 can penetrate through the sliding hole 211 to extend into concrete, one end of the detection rod 320 away from the ultrasonic probe 310 is fixedly connected with a signal transmitting device 330, the signal transmitting device 330 is electrically connected with the signal ultrasonic probe 310, a limiting plate 340 is fixedly connected to the detection rod 320, the limiting plate 340 is abutted to the side wall of the embedded pile 100 away from the bottom of the pouring hole, and the ultrasonic probe 310 is limited to continuously extend downwards to contact with soil or concrete to cause damage.
Referring to fig. 1 and 5, the anchoring mechanism 400 includes a plurality of anchor rods 410 fixedly connected to the embedded pile 100, the anchor rods 410 are uniformly arranged on the outer side wall of the embedded pile 100, reinforcing holes 411 communicated with the inside of the embedded pile 100 are formed in the anchor rods 410, a plurality of communication holes 412 communicated with the pouring holes are formed in the inner walls of the reinforcing holes 411, quick-easy closing dies 430 are integrally arranged on the communication holes 412, the quick-easy closing dies 430 are bent towards the inside of the communication holes 412, when concrete in the pouring holes is poured, the concrete can enter the communication holes 412 and form uneven surfaces through the limitation of the quick-easy closing dies 430, part of concrete can enter the pouring holes when the concrete is poured, and the pouring holes are further filled compactly.
Referring to fig. 1 and 3, in order to enhance the connection between the embedded pile 100 and the concrete in the casting hole, a plurality of anchor holes 110 are formed in the side wall of the embedded pile 100, the plurality of anchor holes 110 are communicated with the inside of the embedded pile 100 and the casting hole, a plugging assembly 420 is arranged in the embedded pile 100, the plugging assembly 420 comprises a plurality of grouting blocks 421 fixedly connected to the inner wall of the embedded pile 100, the plurality of grouting blocks 421 respectively correspond to the plurality of anchor holes 110, a grout inlet hole 424 is formed in the grouting blocks 421, and the grout inlet hole 424 is communicated with the anchor holes 110; the plugging rod 220 is fixedly connected with a plurality of plugging plates 422, the plurality of plugging plates 422 are in one-to-one correspondence with the plurality of grouting blocks 421, and the plurality of plugging plates 422 are arranged in a staggered manner; the plugging plate 422 is integrally provided with plugging blocks 423, the plugging blocks 423 are abutted with the grouting blocks 421, slurry outlet holes 425 communicated with the slurry inlet holes 424 are formed in the side wall, close to the grouting blocks 421, of the plugging blocks 423 in the same vertical direction are changed in other embodiments, and the lengths of the plugging blocks 423 are sequentially shortened along the direction away from the pouring Kong Laer 242 towards the direction close to the limiting ring 241; the grouting block 421 is provided with a first guide surface on the side wall abutted against the blocking block 423, the first guide surface is obliquely arranged, one end of the first guide surface, which is close to the sealing plate 210, is obliquely arranged towards the direction, which is close to the blocking rod 220, the blocking block 423 is provided with a second guide surface, one end of the second guide surface, which is close to the limiting ring 241, is provided with a hole bottom of the grout outlet hole 425, and the first guide surface is parallel to and abutted against the second guide surface to form a cavity which is not communicated with the embedded pile 100. Through the size of the concrete pole that forms in the increase play thick liquid hole 425 and with the area of contact of the concrete of pouring in the later stage embedded pile 100 for embedded pile 100 is stronger with the connectivity of the concrete of pouring in the downthehole, and carries out the grout operation with embedded pile 100, makes second-phase poured concrete and concrete column have abundant contact, has strengthened the connectivity of first-phase poured concrete and second-phase poured concrete when increasing frictional force, and then the intensity of reinforcing pile foundation.
The implementation principle of the pre-buried pile end foundation detection system provided by the embodiment of the application is as follows: firstly, a pouring hole is formed, then a plugging rod 220 is plugged into an embedded pile 100, then the sliding plugging rod 220 drives a sliding ring 230 to slide, the sliding ring 230 is firstly abutted against a chamfer 212 and slides into a sliding hole 211 along the chamfer 212, the sliding ring 230 rotates the plugging rod 220 and drives a limiting ring 241 to rotate in the sliding process, the limiting ring 241 drives a positioning rod 244 to rotate, after the positioning rod 244 is plugged into a positioning groove 245, the plugging rod 220 is pressed down to drive the limiting ring 241 to abut against a sealing plate 210, and in the process, the plugging rod 220 drives a plugging block 423 to correspond to the position of the pouring block and enables a first guide surface to abut against a second guide surface; then the pulling bolt is taken out, and the pulling lug 242 is penetrated and connected with the threaded hole in a threaded manner, so that the first guide surface is abutted against the second guide surface; and placing the embedded piles 100 in the pouring holes for fixing, pouring first-stage concrete, and curing the pile foundation after the concrete pouring is completed.
After the concrete strength reaches the standard, the bolt is rotationally pulled to be separated from the threaded hole, then the plugging rod 220 is pulled out towards the direction away from the embedded pile 100 until the sliding ring 230 is completely separated from the sliding hole 211, then the whole plugging rod is taken out, the detecting rod 320 is stretched into the embedded pile 100, then the detecting rod 320 is slowly moved towards the sliding hole 211 to be close, the ultrasonic probe 310 passes through the sliding hole 211 and enters the concrete, at the moment, the limiting plate 340 is abutted with the side wall of the embedded pile 100 away from the bottom of the pouring hole, the ultrasonic probe 310 is installed in place, then ultrasonic detection is carried out, the ultrasonic probe 310 transmits a detection signal to the signal transmitting device 330 to the computer, and then the condition of the pile foundation is judged according to the detection waveform.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.