Cast-in-situ bored pile guide pipe

Abstract

The utility model discloses a cast-in-situ bored pile guide pipe, and relates to the technical field of constructional engineering. The device comprises a filling assembly, a protective cylinder is arranged on the outer side of the filling assembly, a control assembly is further arranged in the protective cylinder, a water storage shell is arranged below the outer wall of a guide pipe body in the filling assembly in a sleeved mode, the water storage shell is located on the inner side of the protective cylinder, and heat exchange pieces are longitudinally welded to the outer wall of the guide pipe body at equal intervals. One ends of the heat exchange pieces penetrate through the inner wall of the water storage shell and are located on the inner side of the water storage shell, and multiple sets of through holes are formed in the surfaces of the heat exchange pieces in a circular array mode; a first sleeve rod in the control assembly penetrates through the rear end of the top of the protective cylinder. Concrete in the guide pipe body is cooled through a water storage shell and a heat exchange piece in the pouring assembly, and the height of a pouring plate and the height of a sensing plate are changed through a first sleeve rod and a first inner rod in the control assembly. The problems that in the prior art, solidification of concrete in a guide pipe body is inconvenient to prevent, and the pouring height of the concrete is inconvenient to control are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of construction engineering, in particular to a bored cast-in-place pile conduit. Background Art

[0002] Bored cast-in-place piles refer to piles that are made by forming pile holes in the foundation soil at the construction site through mechanical drilling, steel pipe squeezing or manual excavation, and placing steel cages inside and pouring concrete. Depending on the hole-forming method, cast-in-place piles can be divided into several categories, such as sunken pipe cast-in-place piles, bored cast-in-place piles and excavated cast-in-place piles. It is a common construction method in construction projects. In order to facilitate the construction of bored cast-in-place piles, bored cast-in-place pile guide tubes are used, and concrete is poured into the hole through the guide tube to form it.

[0003] The existing document with publication number CN211646405U discloses a bored pile conduit, comprising a tube body, one end of which is connected to a diversion funnel, and a support frame for being placed on the ground, the support frame comprising a support platform for being placed above the casing, a placement hole being provided on the support platform, the tube body passing through the placement hole, and the diversion funnel abutting against the placement hole. However, the bored pile conduit disclosed in the above document has the following defects during use:

[0004] 1. When pouring concrete into the hole through the pipe body, the concrete may solidify inside the pipe body due to temperature reasons, thus causing the pipe body to be blocked, thereby affecting the pouring work of bored piles;

[0005] 2. It lacks a structure to limit the pouring height, which may result in the pouring height being too high during the pouring process, thereby causing waste of building materials and increasing construction costs.

[0006] Therefore, the bored pile guide pipe disclosed in the above document cannot meet the needs in actual use, so there is an urgent need for improved technology in the market to solve the above problem. Utility Model Content

[0007] The utility model aims to provide a bored pile conduit, which cools down the concrete in the conduit body through a water storage shell and a heat exchange plate in a pouring assembly, and changes the height of a pouring plate and a sensing plate through a first set of rods and a first inner rod in a control assembly, thereby solving the existing problems of being inconvenient to prevent concrete from solidifying in the conduit body and being inconvenient to control the pouring height of the concrete.

[0008] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0009] The utility model is a bored pile guide tube, comprising a casting assembly, a casing is arranged outside the casting assembly, and a control assembly is arranged inside the casing;

[0010] A water storage shell is sleeved below the outer wall of the catheter body in the perfusion assembly, and the water storage shell is located on the inner side of the casing. Heat exchange fins are welded on the outer wall of the catheter body at equal intervals in the longitudinal direction. One end of the heat exchange fin passes through the inner wall of the water storage shell and is located on the inner side of the water storage shell. The surface of the heat exchange fin is provided with multiple groups of through holes in a circular array.

[0011] The first rod in the control assembly passes through the top rear end of the casing, the top of the first rod is fixedly connected with a knob, the inner side of the first rod is threadedly connected with a first inner rod, and the bottom end of the first inner rod passes through the bottom end of the first rod and is fixedly connected with a pouring plate.

[0012] Furthermore, a guide funnel is welded to the top of the conduit body, and the guide funnel is located above the casing.

[0013] Furthermore, a water inlet pipe penetrates the top front end of the water storage shell, one end of the water inlet pipe is fixedly connected to a water inlet valve, and the other end of the water inlet pipe extends to the upper part of the interior of the water storage shell.

[0014] Furthermore, drainage holes are provided around the bottom of the water storage shell, and threaded pistons are threadedly connected to the inner sides of the drainage holes.

[0015] Furthermore, baffles are sleeved on the outer wall of the first set of rods, and the baffles are respectively located on the outer side and the inner side of the top of the casing.

[0016] Furthermore, pressure sensors are fixedly connected to the lower surface of the injection plate on all sides, and a sensing plate is fixedly connected to the bottom of the pressure sensor. The injection plate and the sensing plate are both located on the inner side of the casing.

[0017] Furthermore, a sealing gasket is bonded to the outer side of the induction plate, and the outer side of the sealing gasket is abutted and connected to the inner side of the protective tube.

[0018] Furthermore, second rods are passed through both sides of the front end of the top of the casing, and second inner rods are sleeved on the inner sides of the second rods. The bottom ends of the second inner rods pass through the bottom ends of the second rods and are fixedly connected to both sides of the front end of the upper surface of the pouring plate.

[0019] The utility model has the following beneficial effects:

[0020] 1. The utility model, through the setting of the pouring assembly, uses the cold water contained in the water storage shell to cool down the concrete flowing in the conduit body, thereby delaying the solidification of the concrete, and increases the contact area between the conduit body and the cold water in the water storage shell through the heat exchange plate and the through hole, thereby improving the cooling effect of the cold water in the water storage shell on the conduit body.

[0021] 2. The utility model realizes that the first inner rod drives the pouring plate to slide on the inner side of the casing through the setting of the control component through the threaded connection between the first set rod and the first inner rod, thereby adjusting the position of the pouring plate and controlling the height of concrete in the casing through the pouring plate, thereby controlling the pouring height of the concrete. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0023] Figure 1 It is a structural schematic diagram of a bored pile guide pipe;

[0024] Figure 2 is a schematic diagram of the structure of the perfusion component;

[0025] Figure 3 for Figure 2 A local enlarged view of point A in FIG.

[0026] Figure 4 for Figure 2 A local enlarged view of point B in FIG.

[0027] Figure 5 This is the bottom view of the water storage shell;

[0028] Figure 6 It is a schematic diagram of the structure of the control component;

[0029] Figure 7 This is the structural disassembly diagram of the injection plate.

[0030] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0031] 1. Infusion assembly; 11. Catheter body; 12. Water storage shell; 121. Water inlet pipe; 122. Water inlet valve; 123. Drain hole; 124. Threaded piston; 13. Heat exchange plate; 131. Through hole; 14. Diversion funnel; 2. Casing; 3. Control assembly; 31. First set of rods; 311. Knob; 312. Baffle; 32. First inner rod; 33. Infusion plate; 331. Pressure sensor; 332. Induction plate; 333. Sealing pad; 34. Second set of rods; 341. Second inner rod. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0033] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the utility model is a bored pile conduit, comprising a conduit assembly 1, a casing 2 is arranged on the outside of the conduit assembly 1, a water storage shell 12 is sleeved below the outer wall of the conduit body 11 in the conduit assembly 1, a water inlet pipe 121 is passed through the top front end of the water storage shell 12, one end of the water inlet pipe 121 is fixedly connected to a water inlet valve 122, and the other end of the water inlet pipe 121 extends to the upper part of the inside of the water storage shell 12, the arrangement of the water inlet pipe 121 and the water inlet valve 122 facilitates the addition of cold water into the water storage shell 12, and drainage holes 123 are arranged around the bottom of the water storage shell 12, and the arrangement of the drainage holes 123 facilitates the discharge of water in the water storage shell 12, and the drainage holes 12 The inner side of the casing 2 is provided with an internal thread, and the inner side of the drainage hole 123 is threadedly connected with a threaded piston 124. The drainage hole 123 is blocked by the setting of the threaded piston 124. The water storage shell 12 is located on the inner side of the casing 2. Heat exchange plates 13 are welded on the outer wall of the catheter body 11 at equal intervals in the longitudinal direction. One end of the heat exchange plate 13 passes through the inner wall of the water storage shell 12 and is located on the inner side of the water storage shell 12. The surface of the heat exchange plate 13 is a circular array with multiple groups of through holes 131. A guide funnel 14 is welded on the top of the catheter body 11. The guide funnel 14 is located above the casing 2. The setting of the guide funnel 14 facilitates the pouring of concrete into the catheter body 11.

[0034] Based on the above arrangement, when in use, firstly, cold water is poured into the inner side of the water storage shell 12 through the water inlet pipe 121, and concrete is poured into the guide funnel 14. The concrete enters the conduit body 11 through the guide funnel 14, and concrete is poured into the inner side of the casing 2 through the conduit body 11. At the same time, the conduit body 11 exchanges heat with the cold water in the water storage shell 12 through the heat exchange plate 13, thereby cooling the concrete inside the conduit body 11 and delaying the solidification of the concrete.

[0035] See also Figure 1 , Figure 6 and Figure 7As shown, a control component 3 is also provided in the casing 2, and a first set of rods 31 in the control component 3 passes through the top rear end of the casing 2, and a knob 311 is fixedly connected to the top of the first set of rods 31, and a baffle 312 is sleeved on the outer wall of the first set of rods 31, and the baffles 312 are respectively located on the outer side and the inner side of the top of the casing 2. The setting of the baffle 312 prevents the first set of rods 31 from being separated from the casing 2, and a first inner rod 32 is threadedly connected to the inner side of the first set of rods 31, and the bottom end of the first inner rod 32 passes through the bottom end of the first set of rods 31 and is fixedly connected to a pouring plate 33, and pressure sensors 331 are fixedly connected to the lower surface of the pouring plate 33 all around, and a sensing plate 332 is fixedly connected to the bottom of the pressure sensor 331, and the pouring plate 333 and the sensing plate 332 are both located on the inner side of the casing 2, and the pressure sensor 331 and the sensing plate 332 are used to sense and detect the concrete in the casing 2, and an external alarm is connected, and its alarm The alarm device and the pressure sensor 331 are electrically connected through a wire, so that when the concrete in the casing 2 contacts the sensing plate 332, the alarm device sounds an alarm to remind the construction personnel. A sealing gasket 333 is bonded to the outer surface of the sensing plate 332, and the outer surface of the sealing gasket 333 is abutted against and connected to the inner surface of the casing 2. The setting of the sealing gasket 333 increases the sealing performance between the sensing plate 332 and the casing 2, thereby preventing the concrete from directly contacting the pressure sensor 331. The second set of rods 34 are penetrated on both sides of the front end of the top of the casing 2, and the second inner rod 341 is sleeved on the inner side of the second set of rods 34. The bottom end of the second inner rod 341 penetrates the bottom end of the second set of rods 34 and is fixedly connected to both sides of the front end of the upper surface of the grouting plate 33, respectively. The setting of the second set of rods 34 and the second inner rod 341 can limit the movement of the grouting plate 33 and make the movement of the grouting plate 33 more stable.

[0036] Based on the above arrangement, when it is necessary to control the pouring height of concrete, the knob 311 is turned, and the knob 311 drives the first set of rods 31 to rotate synchronously, and under the action of the threaded connection between the first set of rods 31 and the first inner rod 32, the first inner rod 32 applies an external force to the pouring plate 33, so that the pouring plate 33 drives the sensing plate 332 to slide on the inner side of the casing 2. When the pouring plate 33 and the sensing plate 332 move to the specified height, the knob 311 is stopped, and then concrete is poured into the casing 2. When the concrete contacts the sensing plate 332, the sensing plate 332 applies an external force to the pressure sensor 331, so that the pressure sensor 331 activates an external alarm to remind the construction personnel, thereby realizing the control of the pouring height of concrete.

[0037] The above are only preferred embodiments of the present invention and do not limit the present invention. Any modification to the technical solutions recorded in the aforementioned embodiments and any equivalent replacement of some of the technical features therein, any modification, equivalent replacement, and improvement made are all within the protection scope of the present invention.

Claims

1. A bored pile guide pipe, comprising a casting assembly (1), a casing (2) is arranged outside the casting assembly (1), and a control assembly (3) is also arranged inside the casing (2), characterized in that: A water storage shell (12) is sleeved below the outer wall of the catheter body (11) in the perfusion assembly (1), the water storage shell (12) is located on the inner side of the casing (2), heat exchange fins (13) are welded on the outer wall of the catheter body (11) at equal intervals in the longitudinal direction, one end of the heat exchange fin (13) passes through the inner wall of the water storage shell (12) and is located on the inner side of the water storage shell (12), and the surface of the heat exchange fin (13) is provided with a plurality of groups of through holes (131) in a circular array; The first sleeve rod (31) in the control assembly (3) passes through the top rear end of the casing (2); the top end of the first sleeve rod (31) is fixedly connected to a knob (311); the inner side of the first sleeve rod (31) is threadedly connected to a first inner rod (32); the bottom end of the first inner rod (32) passes through the bottom end of the first sleeve rod (31) and is fixedly connected to a pouring plate (33).

2. A bored pile guide pipe according to claim 1, characterized in that: A flow guide funnel (14) is welded to the top end of the catheter body (11), and the flow guide funnel (14) is located above the casing (2).

3. The bored pile guide pipe according to claim 1, characterized in that: A water inlet pipe (121) penetrates the front end of the top of the water storage shell (12); one end of the water inlet pipe (121) is fixedly connected to a water inlet valve (122); and the other end of the water inlet pipe (121) extends to the upper part of the interior of the water storage shell (12).

4. A bored pile guide pipe according to claim 3, characterized in that: Drain holes (123) are provided around the bottom of the water storage shell (12), and threaded pistons (124) are threadedly connected to the inner sides of the drainage holes (123).

5. The bored pile guide pipe according to claim 1, characterized in that: A baffle (312) is sleeved on the outer wall of the first sleeve rod (31), and the baffle (312) is respectively located on the outer side and the inner side of the top of the casing (2).

6. The bored pile guide pipe according to claim 1, characterized in that: The lower surface of the injection plate (33) is fixedly connected with pressure sensors (331) on all sides, and the bottom of the pressure sensor (331) is fixedly connected with a sensing plate (332). The injection plate (33) and the sensing plate (332) are both located on the inner side of the casing (2).

7. A bored pile guide pipe according to claim 6, characterized in that: A sealing gasket (333) is bonded to the outer side surface of the induction plate (332), and the outer side surface of the sealing gasket (333) is abutted against and connected to the inner side surface of the protective tube (2).

8. The bored pile guide pipe according to claim 1, characterized in that: A second sleeve rod (34) is passed through both sides of the front end of the top of the casing (2), a second inner rod (341) is sleeved on the inner side of the second sleeve rod (34), and the bottom end of the second inner rod (341) passes through the bottom end of the second sleeve rod (34) and is fixedly connected to both sides of the front end of the upper surface of the injection plate (33).

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