CN109339048B - Protection detection equipment for precast pile hanging pile and pile sinking construction and application method thereof - Google Patents
Protection detection equipment for precast pile hanging pile and pile sinking construction and application method thereof Download PDFInfo
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- CN109339048B CN109339048B CN201811462489.9A CN201811462489A CN109339048B CN 109339048 B CN109339048 B CN 109339048B CN 201811462489 A CN201811462489 A CN 201811462489A CN 109339048 B CN109339048 B CN 109339048B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
- E02D13/04—Guide devices; Guide frames
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
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- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention relates to the technical field of precast pile prefabrication quality detection, in particular to protection detection equipment for precast pile hanging and pile sinking construction and an application method thereof. The invention has the advantages that: the movable ring can be fixed at any position of the connecting rod, so that the aim of adjusting the height difference of adjacent brackets is fulfilled; the perpendicularity of the precast pile during pile sinking operation meets the requirement; the turnover limiting device has enough turnover space.
Description
Technical Field
The invention relates to the technical field of precast pile prefabrication quality detection, in particular to protection detection equipment for precast pile hanging pile and pile sinking construction and an application method thereof.
Background
Along with the annual growth of the national infrastructure speed, the concrete precast pile is used as a pile type with mature technology, and has the advantages of bearing larger load, firmness, durability and the like because the pile forming quality is easy to ensure, so that the concrete precast pile has huge application quantity in various engineering construction fields. The precast pile can be manufactured in factories or construction sites according to the use requirements and the construction plan.
When the pile length does not meet the requirement, the pile is connected on site, the quality of the pile connection is improved, the use safety of the pile foundation is directly influenced, and in order to avoid the adverse effect of pile connection, the factory starts to manufacture the ultra-long precast pile. The prefabricated quality of the prefabricated pile and the perpendicularity of the prefabricated pile during pile sinking directly influence the pile sinking quality, when the prefabricated process of the prefabricated pile is not satisfied through monitoring data feedback, the prefabricated pile which is put underground is often required to be dug out again and then a new prefabricated pile is constructed, so that reworking is caused, working hours are wasted, cost is increased, and resource waste is caused.
Disclosure of Invention
According to the defects of the prior art, the invention provides protection detection equipment for precast pile hanging and pile sinking construction and an application method thereof, wherein the detection equipment can detect the weight of an object on the equipment in real time and can also improve the overturning space for an overturning limiting device; the protection equipment is utilized to ensure that the perpendicularity of the precast pile when the pile is driven meets the requirement, and the resistance of the protection equipment to pile driving is reduced in the sinking process.
The invention is realized by the following technical scheme:
protection check out test set of precast pile hanging pile, pile sinking construction, its characterized in that: the equipment comprises protection equipment and detection equipment, the protection equipment comprises a pile placing plate and a bottom end plate, the bottom end plate is rotatably fixed at one end of the pile placing plate in an opening mode, a plurality of overturning limiting devices are arranged below the pile placing plate, the overturning limiting devices are overturned to open and form a limiting cavity of a precast pile between the pile placing plate, the detection equipment comprises a support, the pile placing plate is arranged on the support, a movable cavity is arranged on the support, the size of the movable cavity meets the overturning space required by the overturning limiting devices, a pressure sensor is further arranged on the support, and the pressure sensor is connected with a display.
The support is a plurality of, and is adjacent the support is followed the vertical concatenation of support forms an organic whole structure, be equipped with the connecting rod on the side of support, the axial of connecting rod with the vertical keeping unanimity of support is equipped with the go-between on the other side of support, adjacent the support passes through the go-between cup joints link links as an organic whole structure on the connecting rod.
The support comprises a bottom frame, a top frame is arranged on the bottom frame, the top frame and the bottom frame enclose to form a cavity, the pressure sensor is arranged in the top frame, and the display is arranged in the cavity.
The underframe comprises a horizontal plate, vertical plates are arranged at two ends of the horizontal plate, and the top frame is erected on the adjacent vertical plates.
The support also comprises a plurality of stand columns, and the stand columns are supported between the top frame and the bottom frame.
The body of rod of connecting rod has the external screw thread, the ring body medial surface of expansion ring has the internal screw thread, the connecting rod with screw-thread fit connects between the expansion ring, the expansion ring passes through screw-thread fit the connecting rod reciprocates.
The connecting rod is sleeved with a movable ring, the movable ring can move up and down on the connecting rod, and the outer diameter of the movable ring is larger than the inner diameter of the connecting ring.
The pile placing plate is characterized in that an auxiliary sliding device is further arranged on the surface of the pile placing plate and supported in the pile placing plate through an elastic piece, the upper surface of the auxiliary sliding device is higher than the upper surface of the pile placing plate, and the elastic compression amount of the elastic piece meets the requirement that the upper surface of the auxiliary sliding device is flush with the upper surface of the pile placing plate when the auxiliary sliding device is pressed.
The pile placing plate comprises a pile placing plate, and is characterized in that a plurality of through grooves are formed in the top surface of the pile placing plate, the auxiliary sliding device and the elastic piece are arranged in the through grooves, the auxiliary sliding device comprises a rotating wheel and a supporting shaft, the supporting shaft is arranged at the center of the rotating wheel, the supporting shaft is erected on the elastic piece to enable the supporting shaft to move up and down, and the rolling direction of the rotating wheel is consistent with the length direction of the pile placing plate.
The pile placing plate is further provided with a jacking device, the jacking device comprises two fastening frames, the two fastening frames are hinged to the pile placing plate, a cavity is formed after the two fastening frames are rotated and enclosed, and the two fastening frames are connected and fixed into an integral structure through a connecting piece.
The bottom end plate comprises two bottom plates, the bottom plates are arranged on the upper surface of the pile placing plate, the two bottom plates are respectively hinged with the pile placing plate, and the bottom plates can be connected and fixed into an integrated structure through connecting pieces; the two bottom plates can rotate around the pile placing plate and are opened.
The overturning limiting device comprises a main plate and an auxiliary plate, wherein the main plate is hinged to one side of the pile placing plate, the auxiliary plate is hinged to the other side of the pile placing plate, the main plate and the auxiliary plate are overturned and opened to form a limiting cavity with the pile placing plate, the movable cavity comprises a main plate movable cavity and an auxiliary plate movable cavity, the size of the main plate movable cavity meets the overturning space required by the main plate, and the size of the auxiliary plate movable cavity meets the overturning space required by the auxiliary plate.
The main board comprises a main board underframe and a main board top frame, one end of the main board underframe is hinged to one side of the bottom of the pile placing board, one end of the main board top frame is hinged to the other end of the main board underframe, the auxiliary board comprises an auxiliary board underframe and an auxiliary board top frame, one end of the auxiliary board underframe is hinged to the other side of the bottom of the pile placing board, and one end of the auxiliary board top frame is hinged to the other end of the auxiliary board underframe; the auxiliary plate top frame is connected with the main plate top frame to form an integrated structure, and the auxiliary plate top frame, the main plate bottom frame, the auxiliary plate bottom frame and the pile placing plate form a limiting cavity.
Grooves matched with the pile placing plates are formed in the surfaces of one side of the main board underframe and one side of the auxiliary board underframe.
Screw holes are correspondingly formed in the main board top frame and the auxiliary board top frame, a pressing bar is arranged above the screw holes, and the main board top frame and the auxiliary board top frame are fixedly connected with the screw holes through the pressing bar.
An application method of protection detection equipment for precast pile hanging pile and pile sinking construction is characterized by comprising the following steps: the application method comprises the following steps:
1) Calculating the number of required brackets according to the length of the pile placing plate;
2) Sleeving connecting rings of adjacent brackets into connecting rods to form an integrated structure; adjusting the position of the movable ring to enable the upper surfaces of the adjacent brackets to be level;
3) Placing the pile placing plate on the bracket, and enabling the main plate movable cavity to correspond to the main plate underframe and the auxiliary plate movable cavity to correspond to the auxiliary plate underframe; starting a pressure sensor and a display, and detecting the weight of the pile placing plate;
4) Placing the precast pile on the pile placing plate, and after the rotating wheel of the auxiliary sliding device is pressed, moving the supporting shaft downwards along the sliding groove until the upper surface of the rotating wheel is flush with the upper surface of the pile placing plate; starting a pressure sensor and a display to detect the weights of the pile placing plate and the precast pile; the on-site personnel calculates the weight of the precast pile according to the difference between the two data, compares the weight with the design weight of the precast pile, and further judges whether the precast pile precast quality meets the requirement;
5) If the prefabrication quality of the precast pile meets the requirement, rotating and closing the two bottom plates, and connecting and fixing the bottom plates into an integrated structure through a connecting piece to form a bottom end plate; adjusting the position of the precast pile to enable one end of the precast pile to prop against the bottom end plate;
6) The two fastening frames are rotationally closed, and the fastening frames are connected and fixed into an integral structure by using a connecting piece to form a jacking device; the main board underframe is controlled to be turned out of the main board movable cavity, the auxiliary board underframe is turned out of the auxiliary board movable cavity, the main board top frame and the auxiliary board top frame are controlled to be turned over, and the corresponding main board top frame and the auxiliary board top frame are connected, so that the jacking device and the turning limiting device limit the precast pile;
7) And hanging the precast pile to a designed position under the limit of the jacking device and the overturning limiting device, removing the connecting piece between the bottom plates, enabling the two bottom plates to be opened in a rotating mode, sinking the precast pile from the opening position of the two bottom plates after the two bottom plates are opened in a rotating mode, and sinking the precast pile along with the rotation of the rotating wheel.
The invention has the advantages that: the structure is simple, and the bracket is easy to splice and disassemble; the display is prevented from being damaged; the support force of the bracket is strong; the movable ring can be fixed at any position of the connecting rod, so that the aim of adjusting the height difference of adjacent brackets is fulfilled; the detection precision is high; preventing the precast pile from falling in the hoisting process; ensuring that the perpendicularity of the precast pile meets the requirement during pile sinking operation; preventing the auxiliary sliding device from being crushed; the resistance of the precast pile during pile sinking operation is reduced; the equipment can be recycled; the overturning limiting device has enough overturning space; the overturning limiting device can be accommodated in the pile placing plate, so that the space utilization rate is improved; the auxiliary sliding device can be replaced conveniently and quickly.
Drawings
FIG. 1 is a block diagram of a protective apparatus according to the present invention;
FIG. 2 is a schematic diagram of a connection structure between a turnover limiting device and a pile placing plate in the invention;
FIG. 3 is a block diagram of an auxiliary sliding device according to the present invention;
FIG. 4 is a schematic diagram of a structure in which the turnover limiting device is accommodated in the through groove;
FIG. 5 is a step diagram of the invention with the rollover stop device flipped open;
FIG. 6 is a block diagram of a section of the stent of the present invention;
FIG. 7 is a block diagram of another bracket according to the present invention;
FIG. 8 is a schematic diagram of the splice of FIGS. 6 and 7;
FIG. 9 is an enlarged view of a portion of FIG. 8;
fig. 10 is a schematic diagram of the structure of the present invention.
Detailed Description
The features of the invention and other related features are described in further detail below by way of example in conjunction with the following figures to facilitate understanding by those skilled in the art:
as shown in fig. 1-10, the labels 1-57 are shown as: pile board 1, bottom end board 2, turnover limiting device 3, main board 4, auxiliary board 5, main board top frame 6, main board bottom frame 7, auxiliary board top frame 8, auxiliary board bottom frame 9, through slot 10, bayonet 11, press bar 12, main board center shaft 13, auxiliary board center shaft 14, main board top shaft 15, auxiliary board top shaft 16, main board bolt hole 17, auxiliary board bolt hole 18, main board fixed board 19, auxiliary board fixed board 20, bottom board 21, bottom board 22, bottom board rotating shaft 23, fastening frame 24, fastening frame 25, top fixing rotating shaft 26, lifting lug 27, top fixing device 28, bottom box 29, through slot 30, rotating wheel 31, supporting shaft 32, main vertical board 33, auxiliary vertical board 34, sliding slot 35, sliding slot 36, elastic piece 37, auxiliary sliding device 38, bolt 39, bracket 40, bracket 41, pressure sensor 42, display 43, bottom frame 44, horizontal board 45, vertical board 46, vertical board 47, top frame 48, vertical column 49, connecting rod 50, connecting ring 51, movable ring 52, connecting line 53, main board movable cavity 54, auxiliary board movable cavity 55, protective device 56, and detecting device 57.
Examples: the embodiment is a protection detection device for precast pile hanging and pile sinking construction and an application method thereof, wherein the weight of the precast pile is calculated through data detected in real time by a pressure sensor 42; the main board 4 is provided with a turnover space by arranging the main board movable cavity 54, and the auxiliary board 5 is provided with a turnover space by arranging the auxiliary board movable cavity 55; through arranging the overturning limiting device 3, the perpendicularity of the precast pile in the pile sinking process is ensured to meet the requirement; through the cooperation of elastic component 37 and auxiliary sliding device 38, can guarantee that auxiliary sliding device 38 can not be crushed by the precast pile, can also reduce the resistance that the precast pile receives when pile sinking operation, the pile sinking of being convenient for.
As shown in fig. 1, 8 and 10, the guard detection device in the present embodiment includes a guard device 56 and a detection device 57, wherein the detection device 57 includes a stand 41, and the stand 41 is used for supporting and raising the guard device 56 above the ground.
As shown in fig. 1, the protection device 56 includes a pile board 1, a bottom board 2, a turnover limiting device 3, a jacking device 28 and an auxiliary sliding device 38.
As shown in fig. 1, the pile placing plate 1 is fixed on a bottom box 29, the pile placing plate 1 is used for supporting precast piles, and the bottom box 29 is used for supporting the pile placing plate 1. A plurality of clamping groove-shaped through grooves 10 are formed in the bottom box 29 along the longitudinal direction of the pile placing plate 1, and the overturning limiting device 3 is accommodated in the through grooves 10, so that the space utilization rate is improved. The through groove 10 is positioned at the bottom of the bottom box 29, and when the bottom of the bottom box 29 is not shielded, the turnover limiting device 3 can be turned out from the through groove 10.
As shown in fig. 2 and 5, the turnover limiting device 3 includes a main board 4, an auxiliary board 5, a main board fixing board 19 and an auxiliary board fixing board 20, wherein a bayonet lock 11 is fixed on the top of the main board fixing board 19, and the main board fixing board 19 can be fixed in the through slot 10 by the bayonet lock 11. The top of the auxiliary plate fixing plate 20 is fixed with a bayonet lock 11, and the auxiliary plate fixing plate 20 can be fixed in the through groove 10 through the bayonet lock 11. The main board 4 comprises a main board top frame 6 and a main board bottom frame 7, one end of the main board bottom frame 7 is hinged with a main board fixing plate 19 through a main board center shaft 13, so that the main board bottom frame 7 can rotate around the main board center shaft 13, and the main board bottom frame 7 can be accommodated in the through groove 10 and can extend out of the through groove 10. One end of the main board top frame 6 is hinged with the other end of the main board bottom frame 7 through a main board top shaft 15, so that the main board top frame 6 can rotate around the main board top shaft 15. The auxiliary plate 5 comprises an auxiliary plate top frame 8 and an auxiliary plate bottom frame 9, one end of the auxiliary plate bottom frame 9 is hinged with an auxiliary plate fixing plate 20 through an auxiliary plate center shaft 14, so that the auxiliary plate bottom frame 9 can rotate around the auxiliary plate center shaft 14, and the auxiliary plate bottom frame 9 can be contained in the through groove 10 and can extend out of the through groove 10. One end of the auxiliary plate top frame 8 is hinged with the other end of the auxiliary plate bottom frame 9 through an auxiliary plate top shaft 16, so that the auxiliary plate top frame 8 can rotate around the auxiliary plate top shaft 16.
As shown in fig. 5, the main board top frame 6 and the main board bottom frame 7 are designed as inclined planes, and the inclined planes defining the maximum rotation angle of the main board top frame 6, that is, the inclined planes of the main board top frame 6 are attached to the inclined planes of the main board bottom frame 7, and the inclined planes of the main board bottom frame 7 are used for supporting the main board top frame 6. The sub-board top frame 8 and the sub-board bottom frame 9 are designed to be inclined planes, the maximum rotation angle of the sub-board top frame 8 is limited, namely, the inclined planes of the sub-board top frame 8 are attached to the inclined planes of the sub-board bottom frame 9, and the inclined planes of the sub-board bottom frame 9 are used for supporting the sub-board top frame 8.
A main board bolt hole 17 is formed along the upper surface of the main board top frame 6, a sub board bolt hole 18 is formed along the upper surface of the sub board top frame 8, a pressing bar 12 serving as a connecting piece is fixedly anchored between the main board bolt hole 17 and the sub board bolt hole 18, and the main board top frame 6 and the sub board top frame 8 are connected into a whole structure.
As shown in fig. 5, the turning step of the turning limiting device 3 is as follows, as shown in (a) and (b) in fig. 5, the main board 4 turns outwards along the main board center axis 13 and opens until the main board underframe 7 is attached to the side surface of the pile board 1, namely as shown in (c) in fig. 5; as shown in fig. 5 (d), the main board top frame 6 rotates along the main board top shaft 15 until the inclined surface of the main board top frame 6 is fitted to the inclined surface of the main board bottom frame 7, and the main board top frame 6 stops turning over, i.e., as shown in fig. 5 (e). As shown in fig. 5 (a) and (b), the auxiliary plate 5 is turned outwards along the auxiliary plate central axis 14 and opened until the auxiliary plate underframe 9 is attached to the side surface of the pile placing plate 1, namely as shown in fig. 5 (c); as shown in fig. 5 (d), the sub-deck roof frame 8 rotates along the sub-deck roof shaft 16 until the inclined surface of the sub-deck roof frame 8 abuts against the inclined surface of the sub-deck floor frame 9, and the sub-deck roof frame 8 stops turning, as shown in fig. 5 (e). As shown in fig. 5 (e) and (f), the bead 12 is anchored between the plate bolt hole 17 and the sub-plate bolt hole 18 by bolts 39. When the precast pile is placed on the pile placing plate 1, the precast pile is fixed on the pile placing plate 1 through the plurality of overturning limiting devices 3, and the precast pile can be used for ensuring that the perpendicularity of the precast pile meets the requirement when the precast pile is hung.
As shown in fig. 4, the main board 4 and the auxiliary board 5 are placed in the through groove 10 in a staggered manner, so that the main board 4 and the auxiliary board 5 are prevented from being knocked during overturning.
As shown in fig. 1, the jacking device 28 includes a fastening frame 24 and a fastening frame 25, and the fastening frame 24 and the fastening frame 25 are respectively mounted on the pile board 1 through a jacking rotation shaft 26, so that the fastening frame 24 and the fastening frame 25 perform rotation operation along the longitudinal direction of the pile board 1. The fastening frame 24 and the fastening frame 25 are in an inverted L shape, and the fastening frame 24 and the fastening frame 25 are spliced to form a cavity with a portal structure for accommodating precast piles. The top ends of the fastening frame 24 and the fastening frame 25 are connected into an integral structure through the pressing bar 12, so that the fastening frame 24 and the fastening frame 25 are in a closed state in the pile hanging process. The shaking range of the precast pile when the pile is hung is reduced by arranging the jacking device 28.
As shown in fig. 1, the bottom end plate 2 comprises a bottom plate 21 and a bottom plate 22, and the bottom plate 21 and the bottom plate 22 are mounted on the pile placing plate 1 through a bottom plate rotating shaft 23, so that the bottom plate 21 and the bottom plate 22 can rotate along the longitudinal direction of the pile placing plate 1. Before pile hanging, the bottom plate 21 and the bottom plate 22 are rotated to a splicing state to support the ultra-long precast pile and prevent the ultra-long precast pile from falling in the hoisting process. The tops of the bottom plate 21 and the bottom plate 22 are provided with the pressing strips 12, so that the bottom plate 21 and the bottom plate 22 are in a closed state in the pile hanging process. When pile sinking, the pressing strips 12 are removed, the bottom plate 21 and the bottom plate 22 are in a separated and opened state, the ultralong precast pile is sunk downwards from the opening between the bottom plate 21 and the bottom plate 22, two sides of the precast pile are limited by the bottom plate 21 and the bottom plate 22, swing of the precast pile is avoided, and therefore pile sinking accuracy is improved, and pile sinking positions and design positions are guaranteed to be the same.
As shown in fig. 1, the upper surface of the pile board 1 is provided with a plurality of through grooves 30, the through grooves 30 are arranged in parallel with the longitudinal direction of the pile board 1, and auxiliary sliding devices 38 are arranged in the through grooves 30. As shown in fig. 3, the auxiliary slide device 38 includes a rotating wheel 31, a support shaft 32, a main riser 33, and a sub riser 34. Wherein, the main vertical plate 33 is provided with a chute 35, and the chute 35 is vertically arranged; the auxiliary vertical plate 34 is provided with a chute 36, and the chute 36 is vertically arranged; one end of the supporting shaft 32 extends into the sliding groove 35, and the other end extends into the sliding groove 36, so that the supporting shaft 32 can move up and down along the sliding groove after being stressed. The rotating wheel 31 is penetrated through a support shaft 32, and the support shaft 32 is used for supporting the rotating wheel 31, and the rotating wheel 31 rotates along the axial direction of the support shaft 32. The main riser 33 and the auxiliary riser 34 are detachably installed in the through groove 30 in the longitudinal direction of the through groove 30, so that the auxiliary sliding device 38 can be replaced at a later stage.
As shown in fig. 3, the sliding grooves 35 and 36 are respectively provided with an elastic member 37, and two ends of the supporting shaft 32 are respectively correspondingly arranged on the elastic members 37 in the sliding grooves 35 and 36, and the elastic members 37 are used for supporting the supporting shaft 32. In the initial state, the elastic member 37 makes the upper surface of the runner 31 higher than the upper surface of the pile plate 1. When the precast pile is placed on the pile placing plate 1, the rotary wheel 31 is pressed, and then the supporting shaft 32 moves downwards along the sliding groove by utilizing the compression and contraction performance of the elastic piece 37 until the upper surface of the rotary wheel 31 is level with the upper surface of the pile placing plate 1, so that the rotary wheel 31 is prevented from being crushed by the precast pile. In the pile sinking process, the precast pile mainly generates vertical acting force, and the lateral acting force on the rotating wheel 31 is smaller, and at the moment, the elastic piece 37 is elastically released to generate rebound, so that the supporting shaft 32 moves along the sliding groove until the upper surface of the rotating wheel 31 is higher than the upper surface of the pile placing plate 1 again. The rotating wheel 31 contacts with the precast pile, the rotating wheel 31 rolls along with the sinking of the precast pile, and the precast pile sinks downwards along with the rolling of the rotating wheel 31, so that the friction resistance between the pile placing plate 1 and the precast pile can be reduced, and the pile sinking operation of the precast pile is facilitated.
As shown in fig. 8, the detecting device 57 includes a holder 40 and a holder 41.
As shown in fig. 6, the stand 40 includes a bottom frame 44, and the bottom frame 44 includes a horizontal plate 45, a vertical plate 46 vertically disposed on the left side of the horizontal plate 45, and a vertical plate 47 vertically disposed on the right side of the horizontal plate 45, the horizontal plate 45 serving to support the vertical plate 46 and the vertical plate 47. The horizontal plate 45, the vertical plate 46 and the vertical plate 47 are integrally formed, so that the overall stability of the bracket 40 is improved. The top frame 48 is installed on the upper surfaces of the vertical plates 46 and 47, and the vertical plates 46 and 47 are used to support the top frame 48.
The upper surface of the top frame 48 is provided with a main board movable cavity 54 and an auxiliary board movable cavity 55, the size of the main board movable cavity 54 meets the turnover space required by the main board 4, and the size of the auxiliary board movable cavity 55 meets the turnover space required by the auxiliary board 5. In use, the bottom case 29 is placed on the top frame 48 and the main board movable cavity 54 is kept in correspondence with the position of the main board 4, and the sub board movable cavity 55 is kept in correspondence with the position of the sub board 5. The roof frame 48 is used for supporting the bottom box 29, and the main board movable cavity 54 and the auxiliary board movable cavity 55 provide turnover spaces for the main board 4 and the auxiliary board 5, so that the main board 4 and the auxiliary board 5 can perform turnover operation at any time, and meanwhile, the turnover actions of the main board 4 and the auxiliary board 5 are guided through the main board movable cavity 54 and the auxiliary board movable cavity 55, so that the main board 4 and the auxiliary board 5 are prevented from being deviated due to turnover, and the limiting and restraining effects of the main board 4 and the auxiliary board 5 on precast piles placed on the pile placing board 1 are improved.
The pressure sensor 42 is provided in the top frame 48, and the pressure sensor 42 is used to detect the weight of the precast pile. The pressure sensor 42 is connected to the display 43 via a connection line 53, the pressure sensor 42 transmits the detected weight information to the display 43 via the connection line 53, and the display 43 displays the weight information in real time. The specific measurement steps are as follows: the pile board 1 and the bottom case 29 are first set up on the top frame 48, the pressure sensor 42 detects the weight and transmits the weight information to the display 43 via the connection line 53, and the display 43 displays the weight information. The precast pile is then placed on the pile placing plate 1, and the total weight of the pile placing plate 1, the bottom box 29 and the precast pile is detected by the pressure sensor 42 and transmitted to the display 43 through the connection line 53. The weight of the precast pile is obtained by subtracting the weights of the pile placing plate 1 and the bottom box 29 from the total weight, the calculated weight of the precast pile is compared with the design weight of the precast pile, the precast pile precast quality is further judged, and if the precast pile precast quality meets the requirements, pile hanging and pile sinking operations are performed.
As shown in fig. 6, the top frame 48 is located on a horizontal plane, so as to ensure that the pressures of precast piles received by each point on the top frame 48 are consistent, and improve the detection precision. The widths of the vertical plates 46 and 47 are equal to the width of the horizontal plate 45, and the supporting performance of the vertical plates 46 and 47 to the top frame 48 is further improved. And a plurality of upright posts 49 between the top frame 48 and the horizontal plate 45 further improve the supporting capability of the bottom frame 44 on the top frame 48. The display 43 is located in the cavity formed by enclosing the adjacent upright posts 49, so that the display 43 is prevented from being directly exposed to the construction site, the service life of the display 43 is prolonged, and the working efficiency of site personnel is improved.
As shown in fig. 6 and 8, the right side of the vertical plate 47 in the bracket 40 is provided with a connection rod 50, and the connection rod 50 is arranged in the vertical direction. As shown in fig. 8, the left side of the vertical plate 46 in the bracket 40 is provided with a connection ring 51.
As shown in fig. 6 and 7, the bracket 40 has the same structure as the bracket 41. As shown in fig. 8, the right side of the bracket 41 is attached to the left side of the bracket 40, and the connecting ring 51 on the bracket 40 is sleeved into the connecting rod 50 on the bracket 41, so that the bracket 41 and the bracket 40 can be quickly spliced, and the connecting ring 51 is only required to be taken out from the connecting rod 50 in the later disassembly process, so that the operation is simple.
As shown in fig. 6, 7 and 8, the connecting rod 50 is provided with a movable ring 52, the connecting rod 50 is in an external thread shape, the movable ring 52 is in an internal thread shape, and the movable ring 52 can be adjusted to any position on the connecting rod 50. When the connecting ring 51 is nested on the connecting rod 50, the position of the connecting ring 51 on the connecting rod 50 is controlled by the movable ring 52, as shown in fig. 8. In the later stage, the position of the movable ring 52 on the connecting rod 50 is adjusted, so that the connecting ring 51 is driven to move up and down on the connecting rod 50 until the support 40 and the support 41 are positioned on the same horizontal plane, and the bottom box 29 and the pile placing plate 1 are further positioned on the horizontal plane, so that the detection accuracy is further improved.
The specific operation steps of the embodiment are as follows:
1) Selecting the number of brackets according to the length of the pile placing plate 1;
2) The connecting ring 51 of the bracket 40 is sleeved on the connecting rod 50 of the bracket 41, and the movable ring 52 is adjusted so that the bracket 40 and the upper surface of the bracket 41 are positioned on the same horizontal plane;
3) Circulating the step 2) until all the brackets are spliced, and keeping the upper surfaces of all the brackets at the same horizontal plane;
4) Placing the pile placing plate 1 and the bottom box 29 on the bracket, and enabling the main plate movable cavity 54 to correspond to the main plate 4 and the auxiliary plate movable cavity 55 to correspond to the auxiliary plate 5; activating the pressure sensor 42 and the display 43 to detect the weights of the pile placing plate 1 and the bottom box 29;
5) Placing the precast pile on the pile placing plate 1, pressing the rotating wheel 31, and using the pressing contraction performance of the elastic piece 37, enabling the supporting shaft 32 to move downwards along the sliding groove until the upper surface of the rotating wheel 31 is level with the upper surface of the pile placing plate 1;
6) The total weight of the pile placing plate 1, the bottom box 29 and the precast pile is detected by the pressure sensor 42; the on-site personnel calculates the weight of the precast pile according to the difference between the two data, compares the weight with the design weight of the precast pile, and further judges whether the precast pile precast quality meets the requirement;
7) If the prefabrication quality of the precast pile meets the requirement, closing the bottom plate 21 and the bottom plate 22, and connecting the bottom plate 21 and the bottom plate 22 into an integrated structure by using the pressing bar 12;
8) Closing the fastening frame 24 and the fastening frame 25, and connecting the fastening frame 24 and the fastening frame 25 into an integral structure by using the pressing bar 12, so that the precast pile is limited in a cavity formed by the fastening frame 24 and the fastening frame 25;
9) As shown in fig. 5 (a) and (b), the main board 4 is turned outwards along the main board central axis 13 and opened until the main board underframe 7 is attached to the side surface of the pile board 1, namely as shown in fig. 5 (c); as shown in fig. 5 (d), the main board top frame 6 rotates along the main board top shaft 15 until the inclined surface of the main board top frame 6 is fitted to the inclined surface of the main board bottom frame 7, and the main board top frame 6 stops turning over, i.e., as shown in fig. 5 (e). As shown in fig. 5 (a) and (b), the auxiliary plate 5 is turned outwards along the auxiliary plate central axis 14 and opened until the auxiliary plate underframe 9 is attached to the side surface of the pile placing plate 1, namely as shown in fig. 5 (c); as shown in fig. 5 (d), the sub-deck roof frame 8 rotates along the sub-deck roof shaft 16 until the inclined surface of the sub-deck roof frame 8 abuts against the inclined surface of the sub-deck floor frame 9, and the sub-deck roof frame 8 stops turning, as shown in fig. 5 (e). As shown in fig. 5 (e) and (f), the bead 12 is anchored between the plate bolt hole 17 and the sub-plate bolt hole 18 by bolts 39;
10 Under the limit of the jacking device 28 and the turning limit device 3, hoisting the protection device 56 and the precast pile, and hoisting the precast pile to a designed position;
11 The batten 12 between the bottom plate 21 and the bottom plate 22 is removed, the bottom plate 21 and the bottom plate 22 are rotated to an open state, at this time, the precast pile mainly generates a vertical force, the lateral force to the runner 31 is small, the elastic piece 37 is elastically released to generate rebound, so that the supporting shaft 32 moves along the sliding groove until the upper surface of the runner 31 is newly higher than the upper surface of the pile placing plate 1. The rotating wheel 31 is in contact with the precast pile, the rotating wheel 31 rolls along with the sinking of the precast pile, and the precast pile sinks downwards along with the rolling of the rotating wheel 31 from the opening between the bottom plate 21 and the bottom plate 22;
12 After pile sinking operation is completed, the protective equipment 56 is recovered, so that the cyclic use of the protective equipment is realized, the overturning limiting device 3 is accommodated in the through groove 10, and the space utilization rate is improved.
The embodiment is implemented in specific manner:
according to the length of the precast pile, a plurality of protection devices 56 can be spliced to form an integrated structure to protect the hanging pile and the sinking pile of the precast pile. In order to splice the plurality of protection devices 56 together, the plurality of protection devices 56 may be used as a standard protection section, one side of the protection device is set as the top fixing device 28, the other side of the protection device is set as another top fixing device matched with the top fixing device, and one of the plurality of protection devices is still used as the protection bottom section, namely, one side of the protection device is set as the top fixing device 28, and the other side of the protection device is set as the bottom end plate 2. Specifically, a splicing structure is arranged between the top fixing devices of the plurality of protective devices 56 serving as standard protective segments, the plurality of standard protective segments are spliced into a whole through the splicing structure, and then the protective bottom segments are spliced, so that the device is suitable for the lengths of different precast piles, and particularly meets the requirements of ultra-long precast piles.
The bottom box 29 is provided with supporting feet, the height of the supporting feet is enough to enable the main board 4 and the auxiliary board 5 to be turned out from the through groove 10, and the turning limiting device 3 turned out in advance is prevented from being damaged in the process of hanging precast piles on the pile placing board 1.
Grooves are formed in the contact surfaces of the main board underframe 7, the auxiliary board underframe 9 and the pile placing plate 1, so that the main board underframe 7, the auxiliary board underframe 9 and the pile placing plate 1 are completely attached, and the limiting cavity is firmer.
The components related to the rotating shaft in the protective equipment are of notch structures in the contact area with the rotating shaft, so that the corresponding components can realize bidirectional rotation under the condition of ensuring the application function, and the use convenience is improved.
Lifting lugs 27 are arranged on the bottom plate 21, the bottom plate 22, the fastening frame 24 and the fastening frame 25 and are used as main stress points in the process of transporting and hanging piles, so that the defect that the pre-buried lugs in the precast piles are used as stress points is overcome, and pile breaking accidents in the construction process are avoided; meanwhile, aiming at longer steel piles, the pile bending accident in the pile hanging process is avoided.
Screw holes are formed in two ends of the pressing bar 12, screw holes are correspondingly formed in the top surfaces of the bottom plate 21, the bottom plate 22, the fastening frame 24 and the fastening frame 25, the bottom plate 21, the bottom plate 22 and the pressing bar 12 are connected into an integral structure through bolts, the fastening frame 24, the fastening frame 25 and the pressing bar 12 are connected into an integral structure through bolts, and only the bolts are removed when the pressing bar 12 is removed.
The turnover limiting device 3 can be accommodated in the through groove 10 in other forms with accommodating functions such as drawing, stretching and the like.
The elastic member 37 may be made of elastic material such as spring, sponge, colloid, etc.; the rotating wheel 31 can be made of a pressure-resistant and wear-resistant steel body, plastic or other composite materials.
The shape of a limiting cavity formed between the overturning limiting device 3 and the pile placing plate 1 is matched with the cross section shape of the precast pile, and the overturning limiting device can adopt square, round, triangular and other structural forms.
Although the foregoing embodiments have been described in detail with reference to the drawings for the purpose of illustrating the concepts and embodiments of the invention, it will be apparent to those skilled in the art that various modifications and changes can be made therein without departing from the scope of the appended claims.
Claims (9)
1. Protection check out test set of precast pile hanging pile, pile sinking construction, its characterized in that: the device comprises protection equipment and detection equipment, the protection equipment comprises a pile placing plate and a bottom end plate, the bottom end plate is rotatably fixed at one end of the pile placing plate in an opening mode, a plurality of overturning limiting devices are arranged below the pile placing plate, limiting cavities of precast piles are formed between the overturning limiting devices and the pile placing plate in an overturning mode, the detection equipment comprises a support, the pile placing plate is arranged on the support, a movable cavity is arranged on the support, the size of the movable cavity meets the overturning space required by the overturning limiting devices, a pressure sensor is further arranged on the support, and the pressure sensor is connected with a display;
the pile placing plate is characterized in that an auxiliary sliding device is further arranged on the surface of the pile placing plate and supported in the pile placing plate through an elastic piece, the upper surface of the auxiliary sliding device is higher than the upper surface of the pile placing plate, and the elastic compression amount of the elastic piece meets the requirement that the upper surface of the auxiliary sliding device is flush with the upper surface of the pile placing plate when the auxiliary sliding device is pressed.
2. The protection and detection device for precast pile hanging pile and pile sinking construction according to claim 1, which is characterized in that: the support is a plurality of, and is adjacent the support is followed the vertical concatenation of support forms an organic whole structure, be equipped with the connecting rod on the side of support, the axial of connecting rod with the vertical keeping unanimity of support is equipped with the go-between on the other side of support, adjacent the support passes through the go-between cup joints link links as an organic whole structure on the connecting rod.
3. The protection and detection device for precast pile hanging pile and pile sinking construction according to claim 2, which is characterized in that: the connecting rod is sleeved with a movable ring, the movable ring can move up and down on the connecting rod, and the outer diameter of the movable ring is larger than the inner diameter of the connecting ring.
4. The protection and detection device for precast pile hanging pile and pile sinking construction according to claim 1, which is characterized in that: the pile placing plate comprises a pile placing plate, and is characterized in that a plurality of through grooves are formed in the top surface of the pile placing plate, the auxiliary sliding device and the elastic piece are arranged in the through grooves, the auxiliary sliding device comprises a rotating wheel and a supporting shaft, the supporting shaft is arranged at the center of the rotating wheel, the supporting shaft is erected on the elastic piece to enable the supporting shaft to move up and down, and the rolling direction of the rotating wheel is consistent with the length direction of the pile placing plate.
5. The protection and detection device for precast pile hanging pile and pile sinking construction according to claim 1, which is characterized in that: the pile placing plate is further provided with a jacking device, the jacking device comprises two fastening frames, the two fastening frames are hinged to the pile placing plate, a cavity is formed after the two fastening frames are rotated and enclosed, and the two fastening frames are connected and fixed into an integral structure through a connecting piece.
6. A fixing device for use in suspended pile construction according to claim 1, characterised in that: the bottom end plate comprises two bottom plates, the bottom plates are arranged on the upper surface of the pile placing plate, the two bottom plates are respectively hinged with the pile placing plate, and the bottom plates can be connected and fixed into an integrated structure through connecting pieces; the two bottom plates can rotate around the pile placing plate and are opened.
7. The protection and detection device for precast pile hanging pile and pile sinking construction according to claim 1, which is characterized in that: the overturning limiting device comprises a main plate and an auxiliary plate, wherein the main plate is hinged to one side of the pile placing plate, the auxiliary plate is hinged to the other side of the pile placing plate, the main plate and the auxiliary plate are overturned and opened to form a limiting cavity with the pile placing plate, the movable cavity comprises a main plate movable cavity and an auxiliary plate movable cavity, the size of the main plate movable cavity meets the overturning space required by the main plate, and the size of the auxiliary plate movable cavity meets the overturning space required by the auxiliary plate.
8. The protection and detection device for precast pile hanging pile and pile sinking construction according to claim 7, wherein: the main board comprises a main board underframe and a main board top frame, one end of the main board underframe is hinged to one side of the bottom of the pile placing board, one end of the main board top frame is hinged to the other end of the main board underframe, the auxiliary board comprises an auxiliary board underframe and an auxiliary board top frame, one end of the auxiliary board underframe is hinged to the other side of the bottom of the pile placing board, and one end of the auxiliary board top frame is hinged to the other end of the auxiliary board underframe; the auxiliary plate top frame is connected with the main plate top frame to form an integrated structure, and the auxiliary plate top frame, the main plate bottom frame, the auxiliary plate bottom frame and the pile placing plate form a limiting cavity.
9. An application method of protection detection equipment for precast pile hanging pile and pile sinking construction, which relates to any one of claims 1-8, and is characterized in that: the application method comprises the following steps:
calculating the number of required brackets according to the length of a pile placing plate, wherein a connecting rod is arranged on one side surface of the bracket, the axial direction of the connecting rod is consistent with the longitudinal direction of the bracket, a connecting ring is arranged on the other side surface of the bracket, a movable ring is sleeved on the connecting rod and can move up and down on the connecting rod, and the outer diameter of the movable ring is larger than the inner diameter of the connecting ring;
sleeving connecting rings of adjacent brackets into connecting rods to form an integrated structure; adjusting the position of the movable ring to enable the upper surfaces of the adjacent brackets to be level;
placing the pile placing plate on the bracket, and enabling the main plate movable cavity to correspond to the main plate underframe and the auxiliary plate movable cavity to correspond to the auxiliary plate underframe; starting a pressure sensor and a display, and detecting the weight of the pile placing plate;
placing precast piles on the pile placing plate, wherein a plurality of through grooves are formed in the top surface of the pile placing plate, an auxiliary sliding device and an elastic piece are arranged in the through grooves, the auxiliary sliding device comprises a rotating wheel and a supporting shaft, the supporting shaft is arranged at the central position of the rotating wheel, the supporting shaft is arranged on the elastic piece in a erected mode to enable the supporting shaft to move up and down, and after the rotating wheel of the auxiliary sliding device is pressed, the supporting shaft moves downwards along a sliding groove until the upper surface of the rotating wheel is level with the upper surface of the pile placing plate; starting a pressure sensor and a display to detect the weights of the pile placing plate and the precast pile; the on-site personnel calculates the weight of the precast pile according to the difference between the two data, compares the weight with the design weight of the precast pile, and further judges whether the precast pile precast quality meets the requirement;
if the prefabricated quality of the prefabricated pile meets the requirement, rotating and closing two bottom plates, connecting and fixing the bottom plates into an integrated structure through a connecting piece to form a bottom end plate, wherein the bottom plates are arranged on the upper surface of the pile placing plate, the two bottom plates are respectively hinged with the pile placing plate, and the bottom plates can be connected and fixed into an integrated structure through the connecting piece; adjusting the position of the precast pile to enable one end of the precast pile to prop against the bottom end plate;
the pile placing plate is also provided with a jacking device, the jacking device comprises two fastening frames, the fastening frames are hinged to the pile placing plate, a cavity is formed after the two fastening frames are rotated and enclosed, the two fastening frames are connected and fixed into an integral structure through a connecting piece, and the two fastening frames are rotated and closed to be connected and fixed into an integral structure through the connecting piece to form the jacking device;
the pile placing device comprises a pile placing plate, and is characterized in that a plurality of overturning limiting devices are arranged below the pile placing plate, each overturning limiting device comprises a main plate and an auxiliary plate, the main plates are hinged to one side of the pile placing plate, the auxiliary plates are hinged to the other end of the main plate bottom frame, the auxiliary plates comprise auxiliary plate bottom frames and auxiliary plate top frames, one end of each auxiliary plate bottom frame is hinged to the other end of the bottom of the pile placing plate, and one end of each auxiliary plate top frame is hinged to the other end of the corresponding auxiliary plate bottom frame; the auxiliary board top frame is connected with the main board top frame to form an integrated structure, and the auxiliary board top frame, the main board bottom frame, the auxiliary board bottom frame and the pile placing plate form the limiting cavity; the main board underframe is controlled to be turned out of the main board movable cavity, the auxiliary board underframe is turned out of the auxiliary board movable cavity, the main board top frame and the auxiliary board top frame are controlled to be turned over, and the corresponding main board top frame and the auxiliary board top frame are connected, so that the jacking device and the turning limiting device limit the precast pile;
and hanging the precast pile to a designed position under the limit of the jacking device and the overturning limiting device, removing the connecting piece between the bottom plates, enabling the two bottom plates to be opened in a rotating mode, sinking the precast pile from the opening position of the two bottom plates after the two bottom plates are opened in a rotating mode, and sinking the precast pile along with the rotation of the rotating wheel.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811462489.9A CN109339048B (en) | 2018-12-03 | 2018-12-03 | Protection detection equipment for precast pile hanging pile and pile sinking construction and application method thereof |
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| CN201811462489.9A CN109339048B (en) | 2018-12-03 | 2018-12-03 | Protection detection equipment for precast pile hanging pile and pile sinking construction and application method thereof |
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| JP2009013615A (en) * | 2007-07-02 | 2009-01-22 | Wasc Kiso Jiban Kenkyusho:Kk | Construction method for prefabricated pile, and foundation bearing structure |
| CN108867647A (en) * | 2018-06-27 | 2018-11-23 | 北京地矿工程建设有限责任公司 | A kind of pile integrated construction functional steel tubing string vertical adjustment machine |
| CN209194527U (en) * | 2018-12-03 | 2019-08-02 | 中铁上海设计院集团有限公司 | A kind of prefabricated pile hangs the protection detection device of stake, piling construction |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009013615A (en) * | 2007-07-02 | 2009-01-22 | Wasc Kiso Jiban Kenkyusho:Kk | Construction method for prefabricated pile, and foundation bearing structure |
| CN108867647A (en) * | 2018-06-27 | 2018-11-23 | 北京地矿工程建设有限责任公司 | A kind of pile integrated construction functional steel tubing string vertical adjustment machine |
| CN209194527U (en) * | 2018-12-03 | 2019-08-02 | 中铁上海设计院集团有限公司 | A kind of prefabricated pile hangs the protection detection device of stake, piling construction |
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