Anti-pulling structure of screw pile

Abstract

The utility model discloses a screw pile anti-pulling structure which comprises a base rod and further comprises an anti-pulling assembly used for fixing a screw pile. The anti-pulling assembly comprises connecting rods, connectors and stabbing cones, the multiple connecting rods are hinged to the base rod, the other ends of the multiple connecting rods are fixedly connected with the connectors respectively, and the stabbing cones are fixedly connected to the connectors; according to the anti-pulling device, the screw pile can be stably fixed and prevented from being pulled.

Description

TECHNICAL FIELD

[0001] The utility model belongs to screw pile construction technical field especially relates to a screw pile anti -pullout structure. BACKGROUND

[0002] Screw pile is a new type of pile foundation technology, its full name is half screw extrusion hole pipe pump pressure concrete pile, also can be called screw pile, when screw pile is subjected to large pull force: in some cases, pile foundation can be subjected to large pull force, such as earthquake, wind and other natural disasters and human factors (such as machine vibration, vehicle driving etc.), in order to ensure the stability and safety of pile foundation, need to carry out anti -pullout treatment, usually adopted mode is to carry out pressure fixation to screw pile from outside, and the overallity is not good, present a kind of anti -pullout structure that can stably fix screw pile. SUMMARY

[0003] In view of the deficiency of prior art, the utility model provides a screw pile anti -pullout structure, solves the above -mentioned problem.

[0004] To realize above -mentioned purpose, the utility model is realized through following technical scheme: a kind of screw pile anti -pullout structure, including base rod, further include: anti -pullout component, for fixed screw pile;The anti -pullout component includes connecting rod, connecting head and lance, multiple connecting rod is hinged on base rod, and the other end of multiple connecting rod is respectively fixedly connected with connecting head, and connecting head is fixedly connected with lance.

[0005] Beneficial effects

[0006] The utility model provides a screw pile anti -pullout structure, compared with prior art has the following beneficial effects:

[0007] When the screw pile and the base rod are put into the foundation pit, the user starts the motor, so that the motor drives the shaft sleeve fixedly connected to the output shaft to start rotating, at this time, the main gear fixedly connected to the shaft sleeve rotates synchronously, and the plurality of auxiliary gears meshed and connected on the periphery thereof start rotating, and the screw rod fixedly connected at the shaft center of the auxiliary gear starts synchronous rotation, at the same time, the sliding cylinder threaded on the screw rod starts linear motion along the connection with the base rod, at the same time, the self-locking effect of the screw rod can effectively limit the sliding cylinder, when the sliding cylinder starts to slide, the push rod articulated thereon starts to push the connecting rod, so that the connecting rod rotates upward at the hinged position with the base rod, at the same time, the connecting rod made of high-hardness material can effectively avoid bending under stress, so that the stab cone cannot be effectively pushed into the base pile wall, then the connecting rod drives the connecting head fixedly connected thereto to move synchronously, so as to push the stab cone into the base pile wall for fixation, at the same time, the thread on the stab cone can effectively increase the stability of the stab, so as to realize the technical effect of anti-pulling; at the same time, when the shaft sleeve rotates, the screw rod A fixedly connected thereto rotates synchronously, so as to drive the screw pile threaded with the screw rod A to start linear motion downward along the ring, so as to increase the insertion depth of the screw pile, at the same time, the bottom of the screw pile can be conical, so that the screw pile can be quickly broken into the ground, thereby preventing the bottom of the screw pile from being unstable due to the excessive length of the screw pile. BRIEF DESCRIPTION OF DRAWINGS

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

[0009] Fig. 2 It is an enlarged structure schematic diagram of the utility model.

[0010] Fig. 3 It is an enlarged schematic diagram of the cross-sectional structure of the utility model.

[0011] Legend: base rod 101, anti-pulling assembly 2, connecting rod 201, connecting head 202, stab cone 203, push rod 204, sliding cylinder 205, screw rod 206, auxiliary gear 207, main gear 208, shaft sleeve 209, motor 301, limiting rod 302, ring 303, screw pile 304, screw rod A 305. DETAILED DESCRIPTION

[0012] 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.

[0013] The specific implementation of the utility model is described in detail below in combination with specific examples.

[0014] Please refer to Figs. 1-3The utility model provides a screw pile anti -pullout structure, including base pole 101, still include,

[0015] Anti -pullout assembly 2 for fixing screw pile,

[0016] Anti -pullout assembly 2 includes connecting rod 201, connecting head 202 and lance 203, a plurality of connecting rod 201 are hinged on base pole 101, and the other end of a plurality of connecting rod 201 is respectively fixedly connected with connecting head 202, and lance 203 is fixedly connected on connecting head 202.

[0017] For the above example, those skilled in the art should know that the specific connecting rod 201 recorded in the above embodiment is not limited when implementing the above technical solution, for example, the connecting rod 201 is made of high-hardness raw material by integral processing, and the both ends thereof should be further hardened and reinforced, and the purpose of such arrangement is to facilitate avoiding the connecting rod 201 from being broken by force.

[0018] For the above example, those skilled in the art should know that the specific lance 203 recorded in the above embodiment is not limited when implementing the above technical solution, for example, the lance 203 can be provided with a threaded ring, and the purpose of such arrangement is to facilitate increasing the stability of the lance 203 penetrating into the pile wall.

[0019] Specifically, the connecting rod 201 is hinged with a push rod 204, the other end of the push rod 204 is hinged on a sliding cylinder 205, and the sliding cylinder 205 is slidingly connected with the base pole 101.

[0020] For the above example, those skilled in the art should know that the specific sliding cylinder 205 recorded in the above embodiment is not limited when implementing the above technical solution, for example, the connecting portion of the sliding cylinder 205 and the base pole 101 is provided with a damping rubber strip, and the purpose of such arrangement is to facilitate increasing the damping of the sliding cylinder 205 sliding and making it slide stably.

[0021] Specifically, a plurality of lead screws 206 are rotatably connected in the base pole 101, and the sliding cylinder 205 is threadedly connected with the plurality of lead screws 206.

[0022] For the above example, those skilled in the art should know that the specific lead screw 206 recorded in the above embodiment is not limited when implementing the above technical solution, for example, the lead screw 206 should be selected to have a self-locking effect, and the purpose of such arrangement is to facilitate increasing the limiting effect of the lead screw 206 on the sliding cylinder 205.

[0023] Specifically, one end of the plurality of lead screws 206 is fixedly connected with a pinion gear 207, and the plurality of pinion gears 207 are in meshing connection with a main gear 208.

[0024] For the above examples, those skilled in the art should know that in the implementation of the above technical solutions, the specific main gear 208 is not limited to the embodiment described above, for example, the size diameter of the main gear 208 should be greater than the size diameter of the pinion gear 207, and the purpose of such arrangement is to facilitate the adjustment of the transmission ratio through such arrangement.

[0025] Specifically, the main gear 208 is fixedly connected to the shaft sleeve 209, the shaft sleeve 209 is in rotational connection with the base rod 101, the base rod 101 is fixedly connected with a motor 301, and the output shaft of the motor 301 is fixedly connected with the shaft sleeve 209.

[0026] For the above examples, those skilled in the art should know that in the implementation of the above technical solutions, the specific motor 301 is not limited to the embodiment described above, for example, the motor 301 should be selected to have multiple gears and adjustable speed, and the purpose of such arrangement is to facilitate the adjustment of the sliding speed of the lead screw A305 and the sliding cylinder 205 through such arrangement.

[0027] Specifically, the shaft sleeve 209 is sleeved with a ring sleeve 303, the ring sleeve 303 is in sliding connection with a limiting rod 302, and the limiting rod 302 is fixedly connected with the base rod 101.

[0028] For the above examples, those skilled in the art should know that in the implementation of the above technical solutions, the specific ring sleeve 303 is not limited to the embodiment described above, for example, the ring sleeve 303 is provided with a sealing rubber ring at the connection with the shaft sleeve 209, and the purpose of such arrangement is to facilitate the reduction of the gap at the connection, thereby avoiding the sand and stones from falling into it.

[0029] Specifically, the ring sleeve 303 is fixedly connected with a screw pile 304, the screw pile 304 is threadedly connected with a lead screw A305, and the lead screw A305 is fixedly connected with the shaft sleeve 209.

[0030] For the above examples, those skilled in the art should know that in the implementation of the above technical solutions, the specific lead screw A305 is not limited to the embodiment described above, for example, the lead screw A305 should be selected to be a reciprocating lead screw, and the purpose of such arrangement is that when the sliding block threadedly connected with the reciprocating lead screw moves to one end, the direction of the sliding block can be quickly changed by continuing to control the rotation of the lead screw in the same direction.

[0031] In the embodiment of the utility model, when the screw pile 304 and the base rod 101 are put into the foundation pit, the user starts the motor 301, thereby making the motor 301 drive the shaft sleeve 209 fixedly connected on the output shaft thereof to start rotating, at this time, the main gear 208 fixedly connected on the shaft sleeve 209 rotates synchronously, and drives the plurality of auxiliary gears 207 meshingly connected on the circumferential side thereof to start rotating, and makes the screw rod 206 fixedly connected at the shaft center of the auxiliary gear 207 start rotating synchronously, at the same time, the sliding cylinder 205 threadedly connected on the screw rod 206 starts linear motion along the connecting position thereof with the base rod 101, at the same time, the self-locking effect of the screw rod 206 can effectively limit the sliding cylinder 205, when the sliding cylinder 205 starts sliding, the push rod 204 hingedly connected thereon starts pushing the connecting rod 201, thereby making the connecting rod 201 rotate upwardly with the hinged position thereof with the base rod 101 as a fulcrum, at the same time, the connecting rod 201 selects high-hardness material, which can effectively avoid being bent under stress, thereby causing the stab cone 203 to be unable to effectively push into the foundation pile wall, subsequently, the connecting rod 201 drives the connector 202 fixedly connected thereon to move synchronously, thereby pushing the stab cone 203 to stab into the foundation pile wall for fixation, at the same time, the thread on the stab cone 203 can effectively increase the stab stability, so as to realize the technical effect of anti-pulling; at the same time, when the shaft sleeve 209 rotates, the screw rod A 305 fixedly connected thereon rotates synchronously, thereby making the screw rod A 305 drive the screw pile 304 threadedly connected thereon to make the screw pile 304 start linear motion downwardly along the ring sleeve 303, thereby increasing the insertion depth of the screw pile 304, at the same time, the bottom of the screw pile 304 can be conical, so that the screw pile 304 can quickly break into the ground, thereby preventing the bottom of the screw pile from being unstable due to the overlength of the screw pile.

[0032] It should be noted that, in this document, the terms "first" and "second", and the like, merely distinguish one entity or action from another, without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises", "comprising", or any other variations thereof, are intended to cover non-exclusive inclusions, so that a process, method, article, or device that includes a list of elements not only includes those elements, but also includes other elements not explicitly listed, or inherent to such process, method, article, or device.

[0033] The fixed connection referred to in the present application refers to a connection without any relative movement after fixing the parts or components. It is divided into two kinds of detachable connection and non-detachable connection.

[0034] (1) detachable connection: use screw, spline, wedge pin, etc. to fix the parts together. This connection mode can be disassembled during maintenance, and the parts will not be damaged. However, the specifications of the connecting parts used (such as the length of the bolt, key, and wedge pin) must be correct, and the fastening must be appropriate.

[0035] (2) Non-detachable connection: mainly refers to welding, riveting and over tenon cooperation and the like. Since it needs to be forged, sawed or oxygen cut to be disassembled when being maintained or replaced, the spare parts generally cannot be used twice. Meanwhile, attention should be paid to the process quality, technical detection and remedial measures (such as correction, polishing and the like) when being connected.

[0036] The sliding connection as referred to in the present application means that the components can slide along a linear track, and the articulation as referred to in the present application means that the components can rotate along an axial constraint.

[0037] In some cases, the sliding connection and articulation as referred to in the present application can also be with damping, so that the components have the ability to be maintained in the desired position.

[0038] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A screw pile anti-pulling structure comprising a base rod (101), characterized in that, Also include: Anti-pull assembly (2) for fixing screw pile; The anti-pull assembly (2) comprises connecting rods (201), connecting heads (202) and spikes (203), a plurality of connecting rods (201) are hinged on the base rod (101), the other end of a plurality of connecting rods (201) is respectively fixedly connected with the connecting head (202), and the connecting head (202) is fixedly connected with the spike (203).

2. A screw pile uplift structure according to claim 1, wherein The connecting rod (201) is hinged with a push rod (204), the other end of the push rod (204) is hinged on a sliding cylinder (205), and the sliding cylinder (205) is slidingly connected with the base rod (101).

3. The screw pile uplift structure according to claim 1, wherein, A plurality of lead screws (206) are rotatably connected in the base rod (101), and a plurality of sliding cylinders (205) are respectively threadedly connected on the plurality of lead screws (206).

4. A screw pile uplift structure according to claim 3, wherein One end of a plurality of lead screws (206) is fixedly connected with a pinion (207), and a plurality of pinions (207) are meshingly connected with a main gear (208).

5. A screw pile uplift structure according to claim 4, wherein The main gear (208) is fixedly connected on the shaft sleeve (209), the shaft sleeve (209) is rotatably connected with the base rod (101), the base rod (101) is fixedly connected with the motor (301), and the output shaft of the motor (301) is fixedly connected with the shaft sleeve (209).

6. A screw pile uplift structure according to claim 5, wherein The shaft sleeve (209) is sleeved with a ring sleeve (303), the ring sleeve (303) is slidingly connected on a limiting rod (302), and the limiting rod (302) is fixedly connected with the base rod (101).

7. A screw pile uplift structure according to claim 6, wherein The ring sleeve (303) is fixedly connected with a screw pile (304), the screw pile (304) is threadedly connected on a lead screw A (305), and the lead screw A (305) is fixedly connected on the shaft sleeve (209).

8. A screw pile uplift structure according to claim 7, wherein A sealing rubber ring is arranged at the connection between the ring sleeve (303) and the shaft sleeve (209).

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