CN218148307U - Double-row pile enclosure structure for foundation pit construction - Google Patents

Abstract

The application discloses a double-row pile enclosure structure for foundation pit construction, which relates to the technical field of foundation pit enclosure and comprises a casing, wherein a first high-pressure rotary jet grouting pile is arranged on one side of the casing, a plurality of second high-pressure rotary jet grouting piles are arranged on the rear row of the casing, and third high-pressure rotary jet grouting piles are fixedly connected among a plurality of adjacent second high-pressure rotary jet grouting piles; protect a section of thick bamboo to be top open-ended cavity barrel, the inside of protecting a section of thick bamboo is provided with a plurality of vertical first reinforcing bars, and is a plurality of first reinforcing bar is along the circumferencial direction evenly distributed who protects a inside wall of section of thick bamboo, and this application drives first adjusting screw through rotating fixed cover, and first adjusting screw promotes first regulation section of thick bamboo and second regulation section of thick bamboo through the screw thread when rotating to the second is adjusted a section of thick bamboo and is driven the fly leaf and drive the gyro wheel, and the gyro wheel supports and protects a section of thick bamboo inner wall, and it is spacing to increase the outside for first reinforcing bar and second reinforcing bar after the concatenation, and first reinforcing bar and second reinforcing bar after the convenient concatenation are protecting a section of thick bamboo internal stability and move, and are more stable during hoist and mount, make things convenient for the staff operation.

Description

Double-row pile enclosure structure for foundation pit construction

Technical Field

The application relates to a foundation pit enclosure field especially relates to double row pile envelope for foundation pit construction.

Background

Due to the geological and underground water problems of different areas, the foundation pit needs to be enclosed before formal construction, a double-row pile enclosure structure can be adopted during foundation pit enclosure, the outer row of high-pressure jet grouting piles are used for preventing underground water from permeating, and the inner row of high-pressure jet grouting piles are matched with the concrete piles to reinforce and protect the foundation pit so as to enclose the foundation pit.

At present, the framework of steel reinforcement can be used to the interior row of concrete pile of foundation ditch double row pile retaining structure when the construction, and the concrete pile is higher, and the framework of steel reinforcement needs the concatenation just can satisfy the user demand when the construction, but because length increase after the concatenation of current framework of steel reinforcement, the skeleton is easily inclined when the reinforcing bar hoists and is rocked, is unfavorable for hoist and mount.

SUMMERY OF THE UTILITY MODEL

An object of this application is to provide double row pile envelope for foundation ditch construction to solve current problem: because length increase after the framework of steel reinforcement concatenation, the skeleton is easily inclined when the reinforcing bar hoists and is rocked, is unfavorable for hoist and mount.

In order to solve the technical problem, the application is realized by the following technical scheme: the double-row pile enclosure structure for foundation pit construction comprises a pile casing, wherein a first high-pressure jet grouting pile is arranged on one side of the pile casing, a plurality of second high-pressure jet grouting piles are arranged on the rear row of the pile casing, and third high-pressure jet grouting piles are fixedly connected between every two adjacent second high-pressure jet grouting piles; it is a hollow barrel body of top open-ended to protect a section of thick bamboo, the inside of protecting a section of thick bamboo is provided with a plurality of vertical first reinforcing bars, and is a plurality of first reinforcing bar is along the circumferencial direction evenly distributed who protects a lateral wall of section of thick bamboo, and is a plurality of the inboard fixedly connected with of first reinforcing bar has the reinforcing bar circle of level setting, just the top of first reinforcing bar all overlaps and is equipped with the sleeve, the second reinforcing bar has been pegged graft at the sleeve top, sleeve one side fixedly connected with connecting rod, connecting rod bottom fixedly connected with fixed plate, the first section of thick bamboo of adjusting of fixed plate one side fixedly connected with, first section of thick bamboo one end threaded connection has first adjusting screw, first adjusting screw one end threaded connection has the second to adjust a section of thick bamboo, a section of thick bamboo one end fixedly connected with fly leaf is adjusted to the second.

Through adopting above-mentioned technical scheme, rotate fixed cover and drive first adjusting screw, promote first regulation section of thick bamboo and second regulation section of thick bamboo through the screw thread when first adjusting screw rotates to the second is adjusted a section of thick bamboo and is driven the fly leaf, thereby adjusts first reinforcing bar and second reinforcing bar hoist and mount after the concatenation in protecting a section of thick bamboo internal position, and first reinforcing bar and second reinforcing bar hoist and mount after the concatenation are more stable.

Further, a plurality of pile casings are arranged, the first high-pressure jet grouting pile is located between the adjacent pile casings and fixedly connected with the pile casings, and the first high-pressure jet grouting pile is identical to the second high-pressure jet grouting pile in shape.

Through adopting above-mentioned technical scheme, through the second high pressure jet grouting pile between the pile casing and combine with the pile casing to for two rows of pile retaining structures are interior arrange waterproof, reduce groundwater infiltration, protection foundation ditch that can be better.

Furthermore, the bottom of one side of the fixed plate is in threaded connection with a second adjusting screw, one end of the second adjusting screw is fixedly connected with a handle, and the diameter of the handle is twice of that of the second adjusting screw.

Through adopting above-mentioned technical scheme, the staff of being convenient for utilizes handle operation second adjusting screw, and the handle also can spacing second adjusting screw, prevents that second adjusting screw from passing the fixed plate.

Furthermore, one end, deviating from the handle, of the second adjusting screw rod is rotatably connected with a third adjusting cylinder, and one end of the third adjusting cylinder is fixedly connected with a push plate.

Through adopting above-mentioned technical scheme, second adjusting screw can rotate under the drive of handle and adjust a third regulation section of thick bamboo to adjust push pedal position.

Furthermore, the outside of first adjusting screw and be located and fixedly cup joint fixed cover between a first regulation section of thick bamboo and the second regulation section of thick bamboo, fixed cover diameter is the same with a first regulation section of thick bamboo diameter, a first regulation section of thick bamboo is the same with a second regulation section of thick bamboo shape.

Through adopting above-mentioned technical scheme, the staff of being convenient for utilizes fixed cover to operate first adjusting screw, and fixed cover also can protect first adjusting screw, makes things convenient for the staff to use.

Furthermore, the top of the first steel bar is abutted to the bottom of the second steel bar, and the first steel bar is identical to the second steel bar in shape.

Through adopting above-mentioned technical scheme, the concatenation between the first reinforcing bar of being convenient for and the second reinforcing bar makes things convenient for follow-up concrete placement that carries on.

Furthermore, a sliding groove is formed in one side of the movable plate, the movable plate is located on the inner wall of the sliding groove and is connected with a roller in a rotating mode, and one side of the roller is connected with the inner wall of the protective cylinder in a rolling mode.

Through adopting above-mentioned technical scheme, the gyro wheel rolls in protecting a section of thick bamboo and can reduce the friction between fly leaf and the section of thick bamboo that protects, also makes things convenient for the staff to hoist and mount first reinforcing bar and second reinforcing bar in protecting a section of thick bamboo.

Further, the sleeve is provided with a plurality of, and is a plurality of fixed connection between the sleeve, the inside a plurality of reinforcing bars that is provided with of first reinforcing bar, the inside reinforcing bar of first reinforcing bar and sleeve phase-match.

Through adopting above-mentioned technical scheme, be connected between first reinforcing bar and the second reinforcing bar through the sleeve, the sleeve can prevent first reinforcing bar and second reinforcing bar dislocation, and first reinforcing bar is connected more stably with the second reinforcing bar.

To sum up, this application drives first adjusting screw through rotating fixed cover, promotes first regulation section of thick bamboo and second regulation section of thick bamboo through the screw thread when first adjusting screw rotates to the second is adjusted a section of thick bamboo and is driven the fly leaf and drive the gyro wheel, and the gyro wheel supports and protects a section of thick bamboo inner wall, and it is spacing for first reinforcing bar and the second reinforcing bar increase outside after the concatenation, and first reinforcing bar and the second reinforcing bar after the convenient concatenation are in protecting a section of thick bamboo steady movement, and are more stable during the hoist and mount, make things convenient for staff's operation.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is the whole structure schematic diagram of double row pile envelope for foundation pit construction of this application.

FIG. 2 is a side sectional view of a protection cylinder of the double-row pile enclosure structure for foundation pit construction.

Fig. 3 is a schematic structural diagram of the region a in fig. 2.

Fig. 4 is this application foundation ditch construction is with double row pile envelope's first reinforcing bar hoist and mount process map.

Description of reference numerals:

1. protecting the cylinder; 2. a first high-pressure jet grouting pile; 3. a second high-pressure jet grouting pile; 4. a third high-pressure jet grouting pile; 5. a first reinforcing bar; 6. a sleeve; 7. a second reinforcing bar; 8. a connecting rod; 9. a fixing plate; 10. a first adjustment barrel; 11. a first adjusting screw; 12. a second adjustment barrel; 13. a movable plate; 14. a roller; 15. fixing a sleeve; 16. a second adjusting screw; 17. a handle; 18. a third adjustment barrel; 19. and (3) pushing a plate.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

As shown in fig. 1, the application is a double-row pile enclosure structure for foundation pit construction, which comprises a pile casing 1, wherein a first high-pressure jet grouting pile 2 is arranged on one side of the pile casing 1, a plurality of second high-pressure jet grouting piles 3 are arranged on the rear row of the pile casing 1, third high-pressure jet grouting piles 4 are fixedly connected between the adjacent second high-pressure jet grouting piles 3, the pile casing 1 is provided with a plurality of first high-pressure jet grouting piles 2, the first high-pressure jet grouting piles 2 are positioned between the adjacent pile casings 1, the first high-pressure jet grouting piles 2 are fixedly connected with the pile casing 1, and the first high-pressure jet grouting piles 2 and the second high-pressure jet grouting piles 3 are identical in shape; through the combination of second high pressure jet grouting pile 3 and pile casing 1 to arrange for double row pile retaining structure is interior waterproof, reduces groundwater infiltration, protection foundation ditch that can be better, first high pressure jet grouting pile 2 and the outer waterproof of arranging of double row pile retaining structure as second high pressure jet grouting pile 3 combination, protection foundation ditch.

As shown in fig. 2 and 3, the protective cylinder 1 is a hollow cylinder with an opening at the upper part, a plurality of vertical first steel bars 5 are arranged inside the protective cylinder 1, the plurality of first steel bars 5 are uniformly distributed along the circumferential direction of the inner side wall of the protective cylinder 1, horizontally arranged steel bar rings are fixedly connected to the inner sides of the plurality of first steel bars 5, sleeves 6 are sleeved on the top ends of the first steel bars 5, second steel bars 7 are inserted into the tops of the sleeves 6, the tops of the first steel bars 5 are abutted to the bottoms of the second steel bars 7, the shapes of the first steel bars 5 are the same as that of the second steel bars 7, connecting rods 8 are fixedly connected to one sides of the sleeves 6, and fixing plates 9 are fixedly connected to the bottoms of the connecting rods 8; splice between 5 with first reinforcing bar and second reinforcing bar 7 through sleeve 6, convenient follow-up concrete placement that carries on, sleeve 6 can prevent that 5 with 7 misplacements of second reinforcing bar of first reinforcing bar, and 5 are connected more stably with 7 with the second reinforcing bar of first reinforcing bar.

As shown in fig. 3, a first adjusting cylinder 10 is fixedly connected to one side of a fixing plate 9, one end of the first adjusting cylinder 10 is in threaded connection with a first adjusting screw 11, one end of the first adjusting screw 11 is in threaded connection with a second adjusting cylinder 12, one end of the second adjusting cylinder 12 is fixedly connected with a movable plate 13, one side of the movable plate 13 is provided with a chute, the movable plate 13 is located on one side of the chute and is rotatably connected with a roller 14, one side of the roller 14 is in rolling connection with the inner wall of a protecting cylinder 1, the roller 14 rolls in the protecting cylinder 1 to reduce friction between the movable plate 13 and the protecting cylinder 1, and is also convenient for a worker to hoist a first steel bar 5 and a second steel bar 7 into the protecting cylinder 1, a fixing sleeve 15 is fixedly connected between the first adjusting cylinder 10 and the second adjusting cylinder 12 outside the first adjusting screw 11, the thread directions of the first adjusting screw 11 on two ends outside the fixing sleeve 15 are opposite, the diameter of the fixing sleeve 15 is the first adjusting cylinder 10, and the first adjusting cylinder 10 is in the same shape as the second adjusting cylinder 12; utilize fixed cover 15 to operate first adjusting screw 11 through the staff to rotate first adjusting screw 11 and drive first regulation section of thick bamboo 10 and second regulation section of thick bamboo 12, thereby adjust first adjusting screw 11, first regulation section of thick bamboo 10 and the whole length between the second regulation section of thick bamboo 12, fixed cover 15 also can protect first adjusting screw 11, makes things convenient for the staff to use.

As shown in fig. 3 and 4, a second adjusting screw 16 is connected to the bottom of one side of the fixing plate 9 through a thread, one end of the second adjusting screw 16 is fixedly connected with a handle 17, the diameter of the handle 17 is twice that of the second adjusting screw 16, so that a worker can conveniently operate the second adjusting screw 16 through the handle 17, the handle 17 can also limit the second adjusting screw 16 to prevent the second adjusting screw 16 from penetrating through the fixing plate 9, one end of the second adjusting screw 16, which is far away from the handle 17, is rotatably connected with a third adjusting cylinder 18, one end of the third adjusting cylinder 18 is fixedly connected with a push plate 19, and one side of the push plate 19 abuts against one side of the first steel bar 5; can rotate under handle 17's drive through second adjusting screw 16 and adjust a third regulation section of thick bamboo 18 to adjust the position of push pedal 19, thereby the first reinforcing bar 5 of push pedal 19 butt, thereby push pedal 19, a third regulation section of thick bamboo 18 and second adjusting screw 16 support as the second of fixed plate 9, and supplementary support fixed plate 9, fixed plate 9 installation are more stable.

The implementation principle of the double-row pile enclosure structure for foundation pit construction is as follows: at first clearance foundation ditch surface, the back of finishing is cleared up, fix a position design pile position, begin to punch after the location, punch and finish the back, will protect a 1 hoist and mount to the hole site in, then hoist first reinforcing bar 5 gradually and protect in a 1, expose a 1 with first reinforcing bar 5 upper end and protect a 1, then the staff cup joints sleeve 6 on first reinforcing bar 5, then peg graft second reinforcing bar 7 hoist and mount in sleeve 6, pass through sleeve 6 welded connection with first reinforcing bar 5 and second reinforcing bar 7, first reinforcing bar 5 this moment, second reinforcing bar 7 and sleeve 6 connect into a whole, then continue to hoist this whole gradually in protecting a 1, stop when the top of sleeve 6 flushes with the top level of protecting a 1.

At this moment, the top of the sleeve 6 is level with the top of the pile casing 1, the space between the second steel bar 7 and the pile casing 1 is utilized, a worker utilizes a wrench and other tools to stretch into the pile casing to rotate the handle 17, the handle 17 drives the second adjusting screw 16 to drive the third adjusting cylinder 18, the handle 17 is reversed, the third adjusting cylinder 18 is pushed to push the push plate 19, the push plate 19 abuts against the first steel bar 5, then the fixed sleeve 15 is utilized to rotate the first adjusting screw 11, the first adjusting screw 11 pushes the first adjusting cylinder 10 and the second adjusting cylinder 12, the second adjusting cylinder 12 pushes the movable plate 13 to push the roller 14, the roller 14 abuts against the inner wall of the pile casing 1, and then the hoisting is continued until the bottom of the first steel bar 5 is level with the bottom of the pile casing 1.

When hoisting first reinforcing bar 5 and getting into protecting section of thick bamboo 1, gyro wheel 14 rolls protecting 1 inner wall of a section of thick bamboo, gyro wheel 14 promotes fly leaf 13 and promotes second regulation section of thick bamboo 12, second regulation section of thick bamboo 12 promotes first adjusting screw 11 and promotes first regulation section of thick bamboo 10, first regulation section of thick bamboo 10 promotes fixed plate 9 and promotes connecting rod 8, connecting rod 8 promotes sleeve 6 and promotes first reinforcing bar 5 and second reinforcing bar 7, thereby first reinforcing bar 5 is more stable with second reinforcing bar 7 when hoisting in protecting section of thick bamboo 1 and removing, thereby with first reinforcing bar 5 and the vertical section of thick bamboo 1 of protecting of putting into of second reinforcing bar 7, then pour into concrete pouring in protecting section of thick bamboo 1.

After concrete is poured into the pile casing 1, other same pile casings 1 are sequentially punched and poured at intervals, after half of concrete is solidified, first high-pressure jet grouting piles 2 are sequentially driven into the space between the pile casings 1, then second high-pressure jet grouting piles 3 are sequentially driven into the rear row part of the pile casing 1 at intervals, and third high-pressure jet grouting piles 4 are sequentially driven into the space between the second high-pressure jet grouting piles 3, so that a foundation pit is protected.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present application disclosed above are intended only to aid in the explanation of the application. The preferred embodiments are not exhaustive and do not limit the application to the precise embodiments described. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the application and its practical application, to thereby enable others skilled in the art to best understand and utilize the application. The application is limited only by the claims and their full scope and equivalents.

Claims (8)

1. Double row pile retaining structure for foundation pit construction, including protecting a section of thick bamboo (1), its characterized in that: a first high-pressure jet grouting pile (2) is arranged on one side of the pile casing (1), a plurality of second high-pressure jet grouting piles (3) are arranged on the rear row of the pile casing (1), and third high-pressure jet grouting piles (4) are fixedly connected between every two adjacent second high-pressure jet grouting piles (3); protect a section of thick bamboo (1) to be top open-ended cavity barrel, the inside of protecting a section of thick bamboo (1) is provided with a plurality of vertical first reinforcing bar (5), and is a plurality of first reinforcing bar (5) are along the circumferencial direction evenly distributed of the inside wall of protecting a section of thick bamboo (1), and is a plurality of the inboard fixed connection of first reinforcing bar (5) has the reinforcing bar circle that the level set up, just the top of first reinforcing bar (5) all overlaps and is equipped with sleeve (6), it has second reinforcing bar (7) to peg graft at sleeve (6) top, sleeve (6) one side fixedly connected with connecting rod (8), connecting rod (8) bottom fixedly connected with fixed plate (9), the first section of thick bamboo (10) of adjusting of fixed plate (9) one side fixedly connected with, first section of thick bamboo (10) one end threaded connection has first adjusting screw rod (11), first adjusting screw rod (11) one end threaded connection has the second to adjust a section of thick bamboo (12), second adjusts a section of thick bamboo (12) one end fixedly connected with fly leaf (13).

2. The double-row pile enclosure structure for foundation pit construction according to claim 1, characterized in that: pile casing (1) is provided with a plurality ofly, first high pressure jet grouting pile (2) are located between adjacent pile casing (1), just first high pressure jet grouting pile (2) and pile casing (1) fixed connection, first high pressure jet grouting pile (2) are the same with second high pressure jet grouting pile (3) shape.

3. The double-row pile enclosure structure for foundation pit construction according to claim 1, characterized in that: the bottom of one side of fixed plate (9) threaded connection has second adjusting screw (16), second adjusting screw (16) one end fixedly connected with handle (17), handle (17) diameter is the twice of second adjusting screw (16) diameter.

4. The double-row pile enclosure structure for foundation pit construction according to claim 3, wherein: one end, deviating from the handle (17), of the second adjusting screw rod (16) is rotatably connected with a third adjusting cylinder (18), and one end of the third adjusting cylinder (18) is fixedly connected with a push plate (19).

5. The double-row pile enclosure structure for foundation pit construction according to claim 1, characterized in that: the outside of first adjusting screw (11) just is located and fixes fixed cover (15) of having cup jointed between first regulation section of thick bamboo (10) and second regulation section of thick bamboo (12), fixed cover (15) diameter is the same with first regulation section of thick bamboo (10) diameter, first regulation section of thick bamboo (10) is the same with second regulation section of thick bamboo (12) shape.

6. The double-row pile enclosure structure for foundation pit construction according to claim 1, characterized in that: the top of the first steel bar (5) is abutted to the bottom of the second steel bar (7), and the first steel bar (5) is identical to the second steel bar (7) in shape.

7. The double-row pile enclosure structure for foundation pit construction according to claim 1, characterized in that: the protective sleeve is characterized in that a sliding groove is formed in one side of the movable plate (13), the movable plate (13) is located on the inner wall of the sliding groove and is rotatably connected with a roller (14), and one side of the roller (14) is in rolling connection with the inner wall of the protective sleeve (1).

8. The double-row pile enclosure structure for foundation pit construction according to claim 1, characterized in that: sleeve (6) are provided with a plurality of, and are a plurality of fixed connection between sleeve (6), first reinforcing bar (5) inside is provided with a plurality of reinforcing bars, the inside reinforcing bar of first reinforcing bar (5) and sleeve (6) phase-match.

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