High-strength prefabricated screw pile and spliced pile cap combined structure

Abstract

The utility model discloses a high-strength prefabricated screw pile and spliced pile cap combined structure which comprises a pile rod and further comprises a connecting assembly used for being connected with a pile cap. The connecting assembly comprises a lining plate, an ejector rod and a ring sleeve, the lining plate is fixedly connected into the pile rod, the ejector rod is connected to the lining plate in a sliding mode, the ejector rod is fixedly connected with the ring sleeve, and the pile rod is sleeved with the ring sleeve; the pile cap can be prevented from being connected due to the fact that the pile rod is buried by soil of a pit wall.

Description

TECHNICAL FIELD

[0001] The utility model belongs to screw pile construction technical field especially relates to high strength prefabricated screw pile and spliced pile cap combined structure. BACKGROUND

[0002] Screw pile is a new type of pile foundation technology, its full name is half screw extrusion pipe pump pressure concrete filling pile, also can be called screw pile, this pile is combined by upper cylindrical pile body and lower thread shape pile body, the length of two pile sections can be adjusted according to the soil quality of foundation, after pile rod is drilled into foundation pit, it needs to connect pile cap on pile rod, but at this time, it is easy that pile rod is buried by soil falling from foundation pit wall, leads to the pile cap cannot be connected on the pile rod, and the structure that can assist connection pile cap is presented. CONTENT

[0003] In view of the deficiency of prior art, the utility model provides high strength prefabricated screw pile and spliced pile cap combined structure, solves above -mentioned problem.

[0004] In order to realize above -mentioned purpose, the utility model is realized through following technical scheme: high strength prefabricated screw pile and spliced pile cap combined structure, including pile rod, still include: connecting assembly, for connecting pile cap, connecting assembly includes lining, jacks and ring, lining is fixedly connected in pile rod, jacks are slidably connected on lining, jacks are fixedly connected with ring, and ring is sleeved on pile rod.

[0005] Beneficial effect

[0006] The utility model provides high strength prefabricated screw pile and spliced pile cap combined structure, compared with prior art has the following beneficial effects:

[0007] When the pile rod drills into the foundation pit and is fixed, the motor is started, so that the motor starts to drive the frame connected on the output shaft to move linearly along the connection with the slide rod, at this time the frame starts to drive the top rod fixedly connected thereon to move synchronously, so that the top rod starts to push the ring sleeve fixedly connected thereon to rise at a constant speed, so that the ring sleeve starts to push the soil thereon and extends out of the foundation pit, thereby avoiding the pile rod being filled with the soil of the pit wall during the process of drilling into the foundation pit, at this time the user starts to align the through hole on the pressing disc with the inserting rod, and then the pile cap is pressed into the groove at the center of the ring sleeve, and the cover provided on the groove at the center of the ring sleeve is removed when the ring sleeve extends out of the foundation pit, so as to avoid the groove being blocked by the soil, and then the relevant technical personnel starts the motor A, at this time the main gear fixedly connected on the output shaft of the motor A starts to rotate at a constant speed, and drives the plurality of gears meshed and connected thereon to rotate synchronously, at this time the lead screw A fixedly connected at the center of the gear starts to rotate synchronously, and drives the inserting rod threadedly connected thereon to rise at a constant speed along the connection with the ring sleeve, when the top of the inserting rod leaks out of the pile cap, the user sleeves the pressing disc on the inserting rod to make it adhere to the pile cap, and then the screw is screwed into the inserting rod and is tightened, at this time the user can reverse the motor A, so that the inserting rod starts to retract into the ring sleeve, and in this process, the screw is tightly attached to the pressing disc, so as to press the pressing disc on the pile cap, thereby avoiding the pile cap from falling obliquely. BRIEF DESCRIPTION OF DRAWINGS

[0008] Fig. 1 It is a three-dimensional structure schematic diagram of the utility model.

[0009] Fig. 2 It is a whole structure section schematic diagram of the utility model.

[0010] Fig. 3 It is a lead screw structure section enlarged schematic diagram of the utility model.

[0011] Fig. 4 It is a lead screw structure section schematic diagram of the utility model.

[0012] Mark annotation: pile rod 101, connecting assembly 2, lining plate 201, top rod 202, ring sleeve 203, frame 204, lead screw 205, motor 206, slide rod 207, inserting rod 208, pile cap 209, pressing disc 301, screw 302, lead screw A 303, gear 304, main gear 305, motor A 306. DETAILED DESCRIPTION

[0013] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0014] The specific implementation of the utility model is described in detail below in combination with specific embodiments.

[0015] Please refer to Figs. 1-4 For the utility model embodiment, the high-strength prefabricated screw pile and the spliced pile cap combined structure comprise a pile 101, and further comprise:

[0016] The connecting assembly 2 is used for connecting the pile cap.

[0017] The connecting assembly 2 comprises a lining plate 201, a top rod 202 and a ring sleeve 203, the lining plate 201 is fixedly connected in the pile 101, the top rod 202 is slidingly connected on the lining plate 201, the top rod 202 is fixedly connected with the ring sleeve 203, and the ring sleeve 203 is sleeved on the pile 101.

[0018] For the above example, those skilled in the art should know that the specific ring sleeve 203 described in the above embodiment is not limited when implementing the above technical solution, for example, a sealing rubber strip is arranged at the connection position of the ring sleeve 203 and the pile 101, and the purpose of this arrangement is to facilitate the avoidance of the entry of soil into the gap at the connection position.

[0019] For the above example, those skilled in the art should know that the specific top rod 202 described in the above embodiment is not limited when implementing the above technical solution, for example, the top rod 202 should be made of hard metal, and the purpose of this arrangement is to facilitate the avoidance of bending under stress.

[0020] Specifically, the other end of the top rod 202 is fixedly connected with a frame 204, one side of the frame 204 is threadedly connected on a lead screw 205, and the other side of the frame 204 is slidingly connected with a sliding rod 207.

[0021] For the above example, those skilled in the art should know that the specific frame 204 described in the above embodiment is not limited when implementing the above technical solution, for example, a damping rubber strip is arranged at the connection position of the frame 204 and the sliding rod 207, and the purpose of this arrangement is to facilitate the increase of the damping force that the frame 204 slides against, and to enable the frame 204 to slide stably.

[0022] Specifically, one end of the lead screw 205 is rotationally connected with the lining plate 201, and the other end of the lead screw 205 is fixedly connected on the output shaft of a motor 206, and the motor 206 is fixedly connected with the pile 101.

[0023] For the above example, those skilled in the art should know that in the implementation of the technical solutions described above, the specific lead screw 205 described in the above embodiment is not limited, for example, the reciprocating lead screw can be selected, and the purpose of such arrangement is that when the slider threaded on the reciprocating lead screw moves to one end, the movement direction of the slider can be quickly changed by continuing to control the same direction rotation.

[0024] Specifically, one end of the sliding rod 207 is fixedly connected with the lining plate 201, and the other end of the sliding rod 207 is fixedly connected with the stake rod 101.

[0025] For the above example, those skilled in the art should know that in the implementation of the technical solutions described above, the specific stake rod 101 described in the above embodiment is not limited, for example, the bottom of the stake rod 101 is provided in sharp shape, and the purpose of such arrangement is to facilitate the increase of the breaking effect and avoid being blocked by the stone.

[0026] Specifically, a plurality of insertion rods 208 are symmetrically and slidably connected on the ring sleeve 203, the plurality of insertion rods 208 penetrate through the through holes on the stake cap 209, and the stake cap 209 is inserted into the groove at the shaft center of the ring sleeve 203.

[0027] For the above example, those skilled in the art should know that in the implementation of the technical solutions described above, the specific insertion rod 208 described in the above embodiment is not limited, for example, the insertion rod 208 should be fitted with the through hole on the stake cap 209, and the purpose of such arrangement is to facilitate the increase of the limiting effect on the pressure plate 301 and avoid shaking.

[0028] Specifically, a plurality of insertion rods 208 are symmetrically and slidably connected on the ring sleeve 203, the plurality of insertion rods 208 penetrate through the through holes on the stake cap 209, and the stake cap 209 is inserted into the groove at the shaft center of the ring sleeve 203.

[0029] For the above example, those skilled in the art should know that in the implementation of the technical solutions described above, the specific pressure plate 301 described in the above embodiment is not limited, for example, the pressure plate 301 is provided with a soft gasket on the contact surface of the stake cap 209, and the purpose of such arrangement is to facilitate the provision of cushioning for the contact between the pressure plate 301 and the stake cap 209, and to increase the connection tightness; and the insertion rod 208 should have self-locking effect on the screw sleeve 302.

[0030] Specifically, the insertion rod 208 is threaded on the lead screw A 303, the lead screw A 303 is rotatably connected with the ring sleeve 203, the lead screw A 303 is fixedly connected with a gear 304, and a plurality of gear 304 are engaged with a main gear 305.

[0031] Specifically, the main gear 305 is fixedly connected to the output shaft of the motor A 306, and the motor A 306 is fixedly connected to the ring sleeve 203.

[0032] For the above example, those skilled in the art should know that in the implementation of the above technical solutions, the motor A 306 is not limited to the specific motor A 306 described in the above embodiment. For example, the motor A 306 should be selected to have multiple gears and adjustable speed. The purpose of such a setting is to facilitate the adjustment of the sliding speed of the insertion rod 208 through such a setting.

[0033] In the embodiment of the utility model, when the pile rod 101 is drilled into the foundation pit and fixed, the motor 206 is started, so that the motor 206 starts to drive the frame 204 fixedly connected to the output shaft of the motor 206, and the frame 204 starts to move linearly at the connection with the slide rod 207. At this time, the frame 204 starts to drive the top rod 202 fixedly connected thereto to move synchronously, so that the top rod 202 starts to push the ring sleeve 203 fixedly connected thereto to rise at a constant speed, so that the ring sleeve 203 starts to push the soil on it and extend out of the foundation pit, thereby avoiding the pile rod 101 from being filled with soil by the pit wall during the process of drilling into the foundation pit. At this time, the user starts to align the through hole on the pressing plate 301 with the insertion rod 208, and then presses the pile cap 209 into the groove at the shaft center of the ring sleeve 203, and the cover plate provided on the groove at the shaft center of the ring sleeve 203 is removed after the ring sleeve 203 extends out of the foundation pit, so as to avoid the groove from being blocked by soil. Then, the relevant technical personnel start the motor A 306, at this time, the main gear 305 fixedly connected to the output shaft of the motor A 306 starts to rotate at a constant speed, and drives the plurality of gears 304 meshed and connected thereto to start to rotate synchronously. At this time, the lead screw A 303 fixedly connected at the shaft center of the gear 304 starts to rotate synchronously, and drives the insertion rod 208 screwedly connected thereto to start to rise at a constant speed at the connection with the ring sleeve 203. When the top of the insertion rod 208 leaks out of the pile cap 209, the user puts the pressing plate 301 on the insertion rod 208 so that it is attached to the pile cap 209, and then rotates the screw sleeve 302 into the insertion rod 208 and tightens it. At this time, the user can reverse the motor A 306 to start, so that the insertion rod 208 starts to retract into the ring sleeve 203, and the screw sleeve 302 is tightly attached to the pressing plate 301 in the process, so as to press the pressing plate 301 tightly on the pile cap 209, thereby avoiding the pile cap 209 from being tilted and falling off.

[0034] It is to be noted that the relative terms, such as first and second, and the like, are used herein solely to distinguish one from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0035] As used herein, fixed connection refers to a connection in which the parts or components are fixed and do not move relative to each other. This includes both removable and non-removable connections.

[0036] (1) Removable connection: using screws, splines, cotter pins, etc. to fix the parts together. This connection can be removed during maintenance without damaging the parts. However, the specifications of the connecting parts (such as the length of the bolts, keys, and cotter pins) must be correct, and the fastening must be appropriate.

[0037] (2) Non-removable connection: mainly refers to welding, riveting, and over-mortise fitting, etc. Since maintenance or replacement requires forging, sawing, or oxygen cutting to disassemble, the parts generally cannot be reused. At the same time, attention should be paid to the quality of the connection process, technical testing, and remedial measures (such as correction, polishing, etc.).

[0038] As used herein, sliding connection refers to the ability of a component to slide along a linear trajectory, and as used herein, hinging refers to the ability of a component to rotate along an axial constraint.

[0039] In some cases, the sliding connection and hinging as used herein can also have damping, allowing the component to maintain a desired position.

[0040] Although embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high-strength prefabricated screw pile combined with a spliced pile cap structure, comprising a pile shaft (101), characterized in that, Also include: The connecting assembly (2) is used for connecting the pile cap; The connecting assembly (2) comprises a lining plate (201), a top rod (202) and a ring sleeve (203), the lining plate (201) is fixedly connected in the pile rod (101), the top rod (202) is slidably connected on the lining plate (201), the top rod (202) is fixedly connected with the ring sleeve (203), and the ring sleeve (203) is sleeved on the pile rod (101).

2. The high-strength precast screw pile and spliced pile cap combined structure according to claim 1, characterized in that, The other end of the top rod (202) is fixedly connected with the frame (204), one side of the frame (204) is threadedly connected with the lead screw (205), and the other side of the frame (204) is slidably connected with the sliding rod (207).

3. The high-strength precast screw pile and spliced pile cap combined structure according to claim 2, characterized in that, One end of the lead screw (205) is rotatably connected with the lining plate (201), and the other end of the lead screw (205) is fixedly connected with the output shaft of the motor (206), and the motor (206) is fixedly connected with the pile rod (101).

4. The high-strength precast screw pile and spliced pile cap combined structure according to claim 2, characterized in that, One end of the sliding rod (207) is fixedly connected with the lining plate (201), and the other end of the sliding rod (207) is fixedly connected with the pile rod (101).

5. The high-strength precast screw pile and spliced pile cap combined structure according to claim 1, characterized in that, A plurality of insertion rods (208) are symmetrically and slidably connected on the ring sleeve (203), a plurality of the insertion rods (208) penetrate through the through holes on the pile cap (209), and the pile cap (209) is inserted into the recess at the axis of the ring sleeve (203).

6. The high-strength precast screw pile and spliced pile cap combined structure according to claim 5, characterized in that, A plurality of the insertion rods (208) are sleeved with pressure plates (301), and a plurality of the insertion rods (208) are respectively threadedly connected with screw sleeves (302).

7. The high-strength precast screw pile and spliced pile cap combined structure according to claim 6, characterized in that, The insertion rod (208) is threadedly connected with the lead screw A (303), the lead screw A (303) is rotatably connected with the ring sleeve (203), the lead screw A (303) is fixedly connected with a gear (304), and a plurality of the gears (304) are meshingly connected with a main gear (305).

8. The high-strength precast screw pile and spliced pile cap combined structure according to claim 7, characterized in that, The main gear (305) is fixedly connected with the output shaft of the motor A (306), and the motor A (306) is fixedly connected with the ring sleeve (203).

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