CN212375874U

CN212375874U - Row pile supporting construction

Info

Publication number: CN212375874U
Application number: CN202020373495.3U
Authority: CN
Inventors: 张洪涛; 任志峰; 刘澄; 曲静昊; 刘体清; 代坤; 余梦龙
Original assignee: China First Metallurgical Group Co Ltd
Current assignee: China First Metallurgical Group Co Ltd
Priority date: 2020-03-23
Filing date: 2020-03-23
Publication date: 2021-01-19
Anticipated expiration: 2030-03-23

Abstract

A row pile supporting structure relates to the field of constructional engineering. The row pile supporting structure comprises a cast-in-place pile, a high-pressure jet grouting pile and an inclined supporting rod assembly, wherein the inclined supporting rod assembly comprises an adjusting sleeve rod and a fixed rod, one end of the fixed rod is slidably inserted into the adjusting sleeve rod, the adjusting sleeve rod and the fixed rod are respectively hinged with the cast-in-place pile and the high-pressure jet grouting pile, and an inserting device used for fixing or loosening the fixed rod and the adjusting sleeve rod is arranged in the fixed rod; the inserting device comprises a channel arranged in the fixed rod and a push rod capable of moving along the channel, the fixed rod is provided with at least one through hole communicated with the channel and a bolt inserted into the through hole in a sliding mode, a compression spring is connected between the bolt and the push rod, the adjusting sleeve rod is provided with a plurality of pin holes corresponding to the through hole, and when the push rod moves along the channel, the bolt enters the corresponding through hole and one pin hole or is separated from the through hole. The application provides a campshed supporting construction has and struts stability strong, is convenient for adjust the different intervals of bearing diagonal pole subassembly length in order to adapt to bored concrete pile and high-pressure jet grouting pile.

Description

Row pile supporting construction

Technical Field

The application relates to the field of constructional engineering, particularly, relate to a row's stake supporting construction.

Background

With the continuous development of urbanization and the increasing emphasis of underground space by people, foundation pit engineering is greatly developed. The areas with developed economy in China are mostly distributed in soft soil stratums with wider ranges, a plurality of deep foundation pit projects are carried out in urban water-rich and soft soil environments, and excavation of foundation pits can inevitably cause deformation of surrounding soil bodies or seepage of underground water, so that certain influence can be caused on surrounding buildings and underground pipelines.

In order to avoid deformation of soil around the foundation pit, a supporting structure can be added in the design and construction of the foundation pit to support the periphery of the foundation pit, so that the stability of the surrounding soil is ensured. Row pile supports are widely used in supporting foundation pits, and generally consist of support piles, struts (soil anchors), impervious curtains and the like. The row pile supporting structure mainly adopts a high-pressure jet grouting pile and cast-in-place pile structure, has the characteristics of small volume, strong maneuverability, less occupied area and the like, and can flexibly adjust the position and the distance of the pile according to the position of the obstacle so as to avoid the obstacle. Because the campshed struts the power less, the wholeness can be relatively poor, can fix a bracing piece reinforcing campshed stability of strutting between high-pressure jet grouting post and bored concrete pile in actual work progress, but the length of bracing piece is difficult to adjust among the current structure, when leading to high-pressure jet grouting post and bored concrete pile position and distance to change, current bracing piece is difficult to satisfy the installation demand, and after bored concrete pile diameter changes, support the cover and can't be applicable to the bored concrete pile after changing, lead to the installation difficulty, construction has brought very big inconvenience.

SUMMERY OF THE UTILITY MODEL

An object of this application is to provide a campshed supporting construction, it has the strong advantage of supporting stability, and is convenient for adjust the different intervals of bearing diagonal pole subassembly length in order to adapt to bored concrete pile and high-pressure jet grouting pile.

The embodiment of the application is realized as follows:

the embodiment of the application provides a row pile supporting structure, which comprises a cast-in-place pile, a high-pressure jet grouting pile and an inclined supporting rod assembly, wherein the inclined supporting rod assembly comprises an adjusting sleeve rod and a fixed rod, one end of the fixed rod is slidably inserted into the adjusting sleeve rod, the adjusting sleeve rod and the fixed rod are respectively hinged with the cast-in-place pile and the high-pressure jet grouting pile, and an inserting device used for fixing or loosening the fixed rod and the adjusting sleeve rod is arranged in the fixed rod; the inserting device comprises a channel arranged in the fixed rod and a push rod capable of moving along the channel, the fixed rod is provided with at least one through hole communicated with the channel and a bolt inserted into the through hole in a sliding mode, a compression spring is connected between the bolt and the push rod, the adjusting sleeve rod is provided with a plurality of pin holes corresponding to the through hole, and when the push rod moves along the channel, the bolt enters the corresponding through hole and one pin hole or is separated from the through hole.

In some optional embodiments, the push rod is provided with a conical head at one end close to the plug pin, and the plug pin is provided with a ball head which is in sliding pressing contact with the conical head.

In some optional embodiments, the ball head is provided with a plurality of rotatable roller pins.

In some optional embodiments, one end of the push rod, which is far away from the bolt, extends out of the fixing rod and is provided with a hexagon socket.

In some optional embodiments, the inner wall of the adjusting sleeve rod is provided with a plurality of clamping grooves, and the outer wall of the fixing rod is provided with at least one lug; when the convex block is clamped in one clamping groove, each through hole is aligned to one pin hole.

In some alternative embodiments, the inner wall of the channel is provided with a cushion arranged opposite the push rod.

In some optional embodiments, a support sleeve is connected to the cast-in-place pile, and the support sleeve includes two arc-shaped first support plates arranged oppositely, each first support plate is hinged to one second support plate, and a hinge shaft for hinging with the adjusting sleeve rod is connected between the two second support plates.

In some optional embodiments, the top of the high-pressure jet grouting pile is connected with a lower crown beam, the lower crown beam is hinged with the fixed rod, and the bottom of the lower crown beam is connected with a water-stopping secant pile positioned on one side of the high-pressure jet grouting pile.

The beneficial effect of this application is: the row pile supporting structure provided by the embodiment comprises a cast-in-place pile, a high-pressure jet grouting pile and an inclined supporting rod assembly, wherein the inclined supporting rod assembly comprises an adjusting sleeve rod and a fixed rod, one end of the fixed rod is slidably inserted into the adjusting sleeve rod, the adjusting sleeve rod and the fixed rod are respectively hinged with the cast-in-place pile and the high-pressure jet grouting pile, and an inserting device used for fixing or loosening the fixed rod and the adjusting sleeve rod is arranged in the fixed rod; the inserting device comprises a channel arranged in the fixed rod and a push rod capable of moving along the channel, the fixed rod is provided with at least one through hole communicated with the channel and a bolt inserted into the through hole in a sliding mode, a compression spring is connected between the bolt and the push rod, the adjusting sleeve rod is provided with a plurality of pin holes corresponding to the through hole, and when the push rod moves along the channel, the bolt enters the corresponding through hole and one pin hole or is separated from the through hole. The application provides a campshed supporting construction has the strong advantage of supporting stability, and is convenient for adjust the different intervals of bearing diagonal pole subassembly length in order to adapt to bored concrete pile and high-pressure jet grouting pile.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 is a schematic structural diagram of a row pile supporting structure provided in an embodiment of the present application;

fig. 2 is a cross-sectional view of a diagonal bracing rod assembly in a row pile supporting structure according to an embodiment of the present application;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is an enlarged view of a portion of FIG. 3 at B;

fig. 5 is a schematic structural diagram of a support sleeve in a row pile support structure provided in an embodiment of the present application;

fig. 6 is a schematic structural view of a fixing seat, a fixing plate, and a fixing shaft in a row pile supporting structure provided in this embodiment of the present application.

In the figure: 100. filling piles; 110. high-pressure jet grouting piles; 120. a support sleeve; 121. a first support plate; 122. a second support plate; 123. a hinge shaft; 124. mounting holes; 130. a lower crown beam; 131. a fixed seat; 132. a fixing plate; 133. a fixed shaft; 140. water-stopping occlusive piles; 200. a diagonal bracing rod assembly; 210. adjusting the loop bar; 211. a pin hole; 212. a first lug; 213. a card slot; 220. fixing the rod; 221. a channel; 222. a through hole; 223. a bump; 224. a second lug; 230. a push rod; 231. a conical head; 240. a bolt; 241. a ball head; 242. rolling needles; 243. an inner hexagonal hole; 250. a compression spring; 260. a cushion pad.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. 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.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the application usually place when in use, and are used only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the devices or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present application, it is further noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The characteristics and properties of the row pile supporting structure of the present application will be described in further detail with reference to examples.

Example 1

As shown in fig. 1, 2, 3, 4, 5 and 6, an embodiment of the present application provides a row pile supporting structure, which includes a cast-in-place pile 100, a high-pressure jet grouting pile 110 and an inclined support rod assembly 200; the cast-in-place pile 100 is connected with a support sleeve 120, the support sleeve 120 comprises two arc-shaped first support plates 121 which are arranged oppositely, each first support plate 121 is hinged with a second support plate 122, a hinge shaft 123 for being hinged with an adjusting sleeve rod 210 is connected between the two second support plates 122, mounting holes 124 are separately formed in the two first support plates 121, and the two first support plates 121 are fixed on the cast-in-place pile 100 through expansion bolts penetrating through the corresponding mounting holes 124; the top of the high-pressure jet grouting pile 110 is connected with a lower crown beam 130, the top of the lower crown beam 130 is provided with a fixed seat 131, the fixed seat 131 is provided with two fixed plates 132 which are oppositely arranged, a fixed shaft 133 is connected between the two fixed plates 132, and the bottom of the lower crown beam 130 is connected with a water-stopping occlusive pile 140 positioned on one side of the high-pressure jet grouting pile 110.

The inclined strut assembly 200 comprises an adjusting sleeve rod 210 and a fixed rod 220, wherein one end of the fixed rod 220 is provided with a second lug 224 which is rotatably sleeved on the fixed shaft 133, the other end of the fixed rod is slidably inserted into the adjusting sleeve rod 210, one end of the adjusting sleeve rod 210, which is far away from the fixed rod 220, is provided with a first lug 212 which is rotatably sleeved on the hinge shaft 123, and an inserting device which is used for fixing or loosening the fixed rod 220 and the adjusting sleeve rod 210 is arranged in the fixed rod 220; the inserting device comprises a channel 221 arranged in the fixed rod 220 and a push rod 230 capable of moving along the channel 221, the outer wall of the push rod 230 is connected with the inner wall of the channel 221 through threads, one end of the push rod 230, which is far away from the plug pin 240, extends out of the fixed rod 220 and is provided with an inner hexagonal hole 243, the fixed rod 220 is provided with two through holes 222 communicated with the channel 221 and the outside and two plug pins 240 respectively inserted in the corresponding through holes 222 in a sliding manner, a compression spring 250 is connected between each plug pin 240 and the push rod 230, two sides of the adjusting sleeve rod 210 are respectively provided with eleven pin holes 211 corresponding to the through holes 222, the pin holes 211 are arranged at intervals along the axial direction of the adjusting sleeve rod 210, and when the push rod 230 moves along the channel 221, the plug pin 240 enters the corresponding through; one end of the push rod 230 close to the plug pin 240 is provided with a conical head 231, and the plug pin 240 is provided with a ball head 241 which is in sliding and abutting contact with the conical head 231; eight rotatable roller pins 242 are arranged on the ball head 241, and the axes of the roller pins 242 are perpendicular to the moving direction of the push rod 230 and the axial direction of the bolt 240; the inner wall of the adjusting loop bar 210 is provided with clamping grooves 213 which are in one-to-one correspondence with the twenty-two pin holes 211, and the outer wall of the fixed bar 220 is provided with a convex block 223; when the projection 223 is engaged with one of the slots 213, the two through holes 222 are aligned with one of the pin holes 211, and the inner wall of the channel 221 is provided with a cushion 260 disposed opposite to the push rod 230.

The row pile supporting structure that this application embodiment provided includes bored concrete pile 100, high-pressure jet grouting pile 110 and both ends respectively with bored concrete pile 100 and high-pressure jet grouting pile 110 articulated diagonal brace pole subassembly 200, the user can make high-pressure jet grouting pile 110 carry out the strong support to bored concrete pile 100 through the length of adjusting diagonal brace pole subassembly 200, thereby adapt to bored concrete pile 100 and high-pressure jet grouting pile 110 of co-altitude not, the application of force position that makes diagonal brace pole subassembly 200 can play better supporting role to bored concrete pile 100, and guarantee diagonal brace pole subassembly 200's support angle and support dynamics, provide sufficient holding power to the soil body of foundation ditch lateral wall in order to improve the stability that row pile was strutted, construction efficiency is improved, it is more convenient to make the construction.

Wherein, the inclined support rod assembly 200 comprises an adjusting sleeve rod 210 and a fixing rod 220 hinged with the cast-in-place pile 100 and the high-pressure jet grouting pile 110, respectively, one end of the fixing rod 220 is slidably inserted into the adjusting sleeve rod 210, a user can slide the fixing rod 220 relative to the adjusting sleeve rod 210 and fix the adjusting sleeve rod 210 and the fixing rod 220 for supporting through an inserting device in the fixing rod 220, when the inserting device is used, firstly, an inner hexagonal wrench is clamped into an inner hexagonal hole 243 formed in the push rod 230 for fixing, and rotates the inner hexagonal wrench to drive the push rod 230 to move along a channel 221 in the fixing rod 220, when the push rod 230 moves along the channel 221 to be close to the plug pins 240, a conical head 231 arranged at the top of the push rod 230 pushes the two plug pins 240 to move along the axial direction, so that the two plug pins 240 respectively overcome the elastic stress of the corresponding compression springs 250 and enter the through holes 222 and one pin hole 211 in sequence, thereby fixing the, when the length of the diagonal bracing bar assembly 200 needs to be adjusted, a user drives the push rod 230 to rotate reversely and move away from the plug pin 240 by using an internal hexagonal wrench, the conical head 231 of the push rod 230 gradually reduces the pressing effect on the plug pin 240, the two compression springs 250 respectively release elastic stress to drive the corresponding plug pin 240 to move to be separated from the pin hole 211 and the through hole 222 and enter the channel 221, so that the position fixing of the plug pin 240 on the fixing bar 220 and the adjusting sleeve bar 210 is released, at this time, the user can slide the fixing bar 220 along the adjusting sleeve bar 210 for adjusting the position of the diagonal bracing bar assembly 200, and the above operations are repeated to fix the positions of the fixing bar 220 and the adjusting sleeve bar 210. The row pile supporting structure of the embodiment can facilitate a user to adjust the relative positions of the fixing rod 220 and the adjusting sleeve rod 210 through the inserting device, and ensure the structural stability of the diagonal bracing rod assembly 200.

The pin 240 is provided with a ball head 241 which is in sliding and abutting-pressing with the conical head 231, when a user drives the push rod 230 to move along the channel 221, the ball head 241 can abut against and press with the conical head 231 through sliding to reduce abrasion, the push rod 230 is guaranteed to stably push the pin 240 to move along the axial direction, and sliding friction of surface contact between the pin 240 and the conical head 231 is further converted into rolling friction through a roller pin 242 arranged on the ball head 241, so that relative movement between the pin 240 and the conical head 231 is smoother, abrasion is further reduced, and structural rationality is improved. Through threaded connection between push rod 230 and the passageway 221 inner wall, through the removal of screw thread transmission control push rod 230 along passageway 221, can guarantee the structural strength of dead lever 220 and make the stable removal of push rod 230, the hexagon socket head 243 of seting up on the push rod 230 can make things convenient for the user to drive push rod 230 rotatory and remove along passageway 221, and convenience of customers operates. The clamping groove 213 formed in the inner wall of the adjusting sleeve rod 210 can be positioned with the projection 223 formed in the outer wall of the fixing rod 220, when a user drives the fixing rod 220 to move along the adjusting sleeve rod 210 to enable the projection 223 to be clamped in the clamping groove 213, the two through holes 222 can be aligned to one pin hole 211 respectively, the user can drive the push rod 230 to move along the channel 221 to press the two pins 240 to enter the through holes 222 and one corresponding pin hole 211 respectively, and therefore the user can fix or loosen the relative positions of the fixing rod 220 and the adjusting sleeve rod 210 conveniently. The inner wall of the channel 221 of the fixing rod 220 is provided with a cushion pad 260 arranged opposite to the push rod 230, so that the damage caused by collision between the conical head 231 and the inner wall of the channel 221 when moving can be avoided.

The top of high pressure jet grouting pile 110 is connected with through crown beam 130 down and is used for carrying out the stagnant water secant pile 140 of separation to groundwater, and stagnant water secant pile 140 can carry out effectual separation to groundwater, prevents that groundwater from flowing into the foundation ditch bottom, destroys the ground of foundation ditch, uses crown beam 130 to span stagnant water secant pile 140 and high pressure jet grouting pile 110's top to link integratively down, can make row's pile supporting construction holistic stability better. The support sleeve 120 connected with the cast-in-place pile 100 is composed of two arc-shaped first support plates 121 arranged oppositely and second support plates 122 connected with the first support plates 121, a hinge shaft 123 for being hinged with the adjusting sleeve rod 210 is connected between the two second support plates 122, and the two first support plates 121 can rotate relative to the second support plates 122 respectively to adapt to cast-in-place piles 100 of different sizes and are connected, so that the adaptability of the support sleeve 120 is improved.

The embodiments described above are some, but not all embodiments of the present application. The detailed description of the embodiments of the present application is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. 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.

Claims

1. A row pile supporting structure is characterized by comprising a cast-in-place pile, a high-pressure jet grouting pile and an inclined supporting rod assembly, wherein the inclined supporting rod assembly comprises an adjusting sleeve rod and a fixing rod, one end of the fixing rod is slidably inserted into the adjusting sleeve rod, the adjusting sleeve rod and the fixing rod are respectively hinged with the cast-in-place pile and the high-pressure jet grouting pile, and an inserting device used for fixing or loosening the fixing rod and the adjusting sleeve rod is arranged in the fixing rod; the inserting device comprises a channel arranged in the fixed rod and a push rod capable of moving along the channel, the fixed rod is provided with at least one through hole communicated with the channel and a bolt inserted into the through hole in a sliding manner, a compression spring is connected between the bolt and the push rod, the adjusting sleeve rod is provided with a plurality of pin holes corresponding to the through hole, and when the push rod moves along the channel, the bolt enters the corresponding through hole and one pin hole or is separated from the through hole into the channel.

2. A piling support structure according to claim 1, wherein the end of the push rod adjacent to the spigot is provided with a conical head, and the spigot is provided with a ball head which is slidably urged against the conical head.

3. A piling support structure according to claim 2, wherein said ball head is provided with a plurality of rotatable needles.

4. A row pile support structure according to claim 1, characterised in that the end of the push rod remote from the bolt extends beyond the fixing rod and is provided with a hexagonal socket.

5. A row pile supporting construction according to claim 1, characterised in that the inner wall of the adjusting sleeve rod is provided with a plurality of slots and the outer wall of the fixing rod is provided with at least one lug; when the convex block is clamped in one clamping groove, each through hole is aligned to one pin hole.

6. A piling support structure according to claim 1, wherein the inner wall of the channel is provided with a cushioning pad disposed opposite the push rod.

7. A row pile supporting construction according to claim 1, characterised in that the cast-in-place pile is connected with a support sleeve, the support sleeve comprises two oppositely arranged arc-shaped first support plates, each first support plate is hinged with a second support plate, and a hinge shaft for hinging with the adjusting sleeve rod is connected between the two second support plates.

8. A row pile supporting construction according to claim 1, wherein a lower crown beam is connected to the top of the high-pressure jet grouting pile, the lower crown beam is hinged to the fixing rod, and a water-stopping secant pile located on one side of the high-pressure jet grouting pile is connected to the bottom of the lower crown beam.