High-pressure water hole guiding device for prestressed concrete hollow square pile

Abstract

The utility model discloses a prestressed concrete hollow square pile high-pressure water hole guiding device which comprises a hollow square pile body, a spray head and a butt-joint pipe, a conical pile tip is arranged at the bottom of the hollow square pile body, the spray head is embedded in the conical pile tip, the top of the spray head is clamped and fixed with the butt-joint pipe through a butt-joint cylinder, and an annular groove is formed in the inner wall of the butt-joint cylinder. The annular groove is clamped and matched with a wedge-shaped head on the surface of the butt joint pipe, so that the nozzle is stably limited; a sliding sleeve is slidably mounted on the outer surface of the butt-joint pipe, extrudes a clamping rod on the surface of the butt-joint pipe through an internal extrusion convex block, and is matched with a linkage structure of a toothed bar and a gear to drive the sliding sleeve to move, so that rapid separation of the butt-joint pipe and the spray head is realized; the top of the butt joint pipe is connected with a high-pressure water pump through a hose, the clamping rod can return to the initial position through the reset function of the spring, and the device is simple in structure, convenient and fast to install and capable of improving construction efficiency and meeting the hole guiding requirement in prestressed concrete hollow square pile construction.

Description

TECHNICAL FIELD

[0001] The utility model belongs to hollow square pile installation technical field, concretely relates to a prestressed concrete hollow square pile high pressure water hole guiding device. BACKGROUND

[0002] The prestressed concrete hollow square pile is a kind of building material commonly used in foundation reinforcement, it has the advantages such as high strength, good durability, strong crack resistance, is widely used in bridge, wharf and high-rise building etc.Field.In the prestressed concrete hollow square pile construction process, the hole guiding of pile body is the crucial step.The purpose of hole guiding is to open the soil at the bottom of pile body by high pressure water flow, provides conditions for the sinking of pile body, simultaneously guarantees that pile body can be accurately installed to specified position.The traditional hole guiding device usually adopts the mode that manual fixing nozzle and pipeline connection, and this mode has the following problems:

[0003] 1.complex operation: traditional hole guiding device needs manual nozzle and pipeline connection one by one, and when encountering integrated square pile with pile cone, needs to be connected through top port, operation is extremely inconvenient, after using, nozzle has been deeply into the ground, this leads to difficulty, increases the labor intensity of construction personnel.

[0004] 2.connection instability: since nozzle and pipeline connection mainly rely on thread or buckle structure, is easy to cause connection loosening or falling off due to vibration or high pressure water flow in construction process, thereby influences the effect of hole guiding.

[0005] 3.low use efficiency: after hole guiding, traditional device needs to rely on manual nozzle and pipeline connection, the whole process is time-consuming, reduces construction efficiency. UTILITY MODEL CONTENT

[0006] In view of the problems in prior art, the utility model aims at providing a prestressed concrete hollow square pile high pressure water hole guiding device, it can realize, can simplify installation and dismounting process, simultaneously guarantees connection stability and operation convenience.

[0007] To achieve the above object, the utility model provides the following technical scheme:

[0008] The utility model provides a prestressed concrete hollow square pile high pressure water guide hole device, including hollow square pile body and butt joint pipe, the hollow square pile body is hollow inside, the bottom of hollow square pile body is provided with the tapered pile tip, the inside center of tapered pile tip is fixedly embedded with the shower nozzle, the bottom of shower nozzle is open, the top of shower nozzle is provided with the butt joint cylinder, the top of butt joint cylinder is open, the inner wall of butt joint cylinder is provided with annular groove, butt joint pipe is placed inside hollow square pile body, the top of butt joint pipe is connected with high pressure water pump through the hose, the bottom of butt joint pipe is inserted into butt joint cylinder inside, the lower end surface of butt joint pipe and butt joint cylinder inner wall step surface are mutually contacted, and the sealing ring is placed between both, the recess is evenly set up on the surface of butt joint pipe below, the clamping rod is hinged in the recess inside, the rotation axis of clamping rod is placed inside above the recess, the bottom of clamping rod is outwardly inclined, the wedge head is provided with the conical surface on the outside of the bottom of wedge head.

[0009] Further, the spring is fixed inside the recess below, and the end of the spring is in contact with the inner surface of the clamping rod.

[0010] Further, the sliding sleeve is slidably installed on the surface of the butt joint pipe, the extrusion protrusions are uniformly provided on the inner bottom of the sliding sleeve, and the extrusion protrusions are respectively placed on the upper recesses.

[0011] Further, two tooth rods are symmetrically welded on the upper surface of the sliding sleeve, and the teeth of the two tooth rods are consistent.

[0012] Further, the boss is fixed on one side of the surface of the butt joint pipe, the boss is arranged between the two tooth rods, the gear is rotatably installed on the side surface of the boss, and the gear is in mesh with the tooth rod.

[0013] Further, the two gears are provided with swing rods on the outer sides, a counterweight cross rod is fixed between the ends of the two swing rods, a pull rope is connected to the surface of the counterweight cross rod, and the pull rope extends to the top opening of the hollow square pile body.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] Firstly, the combination of the hollow square pile body and the tapered pile tip is adopted, the shower nozzle is embedded in the tapered pile tip, the shower nozzle is fixed by the butt joint cylinder, the automatic limiting function of the annular groove and the wedge head is matched, the stable work of the shower nozzle under the action of the high-pressure water flow is ensured, the connection loosening problem caused by vibration in the traditional device is avoided, and the safety and stability of construction are improved.

[0016] Secondly, the device can realize quick separation of the butt joint pipe and the spray head through the linkage structure design of the sliding sleeve, the extrusion lug, the toothed rod and the gear. The gear is driven to rotate by pulling the counterweight cross rod, the sliding sleeve is further driven to move downward, the extrusion lug in the sliding sleeve gradually extrudes the clamping rod, so that the wedge-shaped head is separated from the annular groove, the butt joint pipe and the spray head deep into the ground are automatically separated, the disassembly efficiency is improved, and the construction time is reduced.

[0017] In addition, the high-pressure resistant sealing ring is arranged between the butt joint pipe and the spray head in the device, water flow leakage can be effectively prevented through optimization of sealing performance, and smooth operation of the pilot hole operation is ensured. The sealing ring improves the reliability of the equipment, reduces resource waste and environmental pollution caused by water leakage.

[0018] Finally, the reset function of the spring to the clamping rod is designed, so that the clamping rod can quickly return to the initial state when not in use, automatic installation is realized, and convenience is provided. Meanwhile, the pull rope design makes the operation more simple and efficient, reduces the labor intensity of construction personnel, and can realize quick separation. The overall structure is compact and reasonable, which improves the service life of the equipment and significantly improves the construction efficiency, and meets various needs in the construction process of the prestressed concrete hollow square pile. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is an installation section structure schematic view of the utility model;

[0020] Figure 2 It is a spray head and butt joint pipe installation structure schematic view of the utility model;

[0021] Figure 3 It is an explosion structure schematic view of the utility model; Figure 2

[0022] Figure 4 It is a section structure schematic view of the utility model; Figure 2

[0023] Figure 5 It is a sliding sleeve three-dimensional structure schematic view of the utility model;

[0024] Figure 6 It is an A area enlarged structure schematic view of the utility model; Figure 4

[0025] In the drawings, the component list represented by each sign is as follows:

[0026] ​​​1, hollow square pile body; 11, conical pile tip; 2, spray head; 21, butt joint cylinder; 22, annular groove; 3, butt joint pipe; 31, groove; 32, clamping rod; 33, wedge head; 331, conical surface; 34, boss; 4, spring; 5, gear; 51, swing rod; 52, counterweight cross rod; 53, pull rope; 6, sliding sleeve; 61, extrusion block; 62, toothed rod. DETAILED DESCRIPTION

[0027] In order to make the purpose and advantages of the utility model more clear and obvious, the utility model is specifically described below in combination with examples. It should be understood that the following text is only used to describe one or several specific embodiments of the utility model, and does not strictly limit the specific protection scope requested by the utility model.

[0028] REFERENCE Figures 1-6 As shown in the figure, a prestressed concrete hollow square pile high-pressure water guide hole device, comprising a hollow square pile body 1 and a butt joint pipe 3, the hollow square pile body 1 is internally provided as a hollow structure, so as to accommodate the insertion of the butt joint pipe 3; the bottom of the hollow square pile body 1 is provided with a conical pile tip 11, the conical pile tip 11 is made of high-strength alloy material, and the surface is subjected to wear-resistant treatment, so as to improve the penetration ability in the soil layer; the inside center of the conical pile tip 11 is fixedly embedded with a spray head 2, the spray head 2 is made of stainless steel material, has high pressure resistance and corrosion resistance, the bottom of the spray head 2 is open, and the bottom nozzle diameter of the spray head 2 is 15 mm, so as to ensure the concentrated water jet; the top of the spray head 2 is provided with a butt joint cylinder 21, the top opening diameter of the butt joint cylinder 21 is 40 mm, and the inner wall is provided with an annular groove 22, the depth of the annular groove 22 is 5 mm, and is used for limiting cooperation with the wedge head 33 of the butt joint pipe 3.

[0029] The docking pipe 3 is placed inside the hollow square pile body 1, the docking pipe 3 is made of aluminum alloy material, and the surface is subjected to anodic oxidation treatment to improve durability; the top of the docking pipe 3 is connected to the outside high-pressure water pump through a hose, and the high-pressure water pump can provide a maximum water pressure of 20 MPa; the bottom of the docking pipe 3 is inserted into the inside of the docking cylinder 21, and the lower end surface is in contact with the stepped surface of the inner wall of the docking cylinder 21 to ensure stable connection; a high-pressure resistant sealing ring is provided at the connection between the docking pipe 3 and the docking cylinder 21, the sealing ring is made of butyronitrile rubber, and has a pressure resistance of 25 MPa, which can effectively prevent high-pressure water leakage; four grooves 31 are evenly arranged on the lower surface of the docking pipe 3, the depth of the groove 31 is 8 mm, and a clamping rod 32 is hingedly connected inside each groove 31, the clamping rod 32 is made of high-strength alloy and has high impact resistance, and the rotating shaft of the clamping rod 32 is located inside the groove 31 to ensure reliable positioning of the clamping rod 32; the bottom of the clamping rod 32 is inclined outward, and the normal inclination angle is 15°, a wedge head 33 is arranged on the outside of the bottom, and the wedge head 33 is used to cooperate with the annular groove 22 inside the docking cylinder 21; a tapered surface 331 is arranged on the outside of the bottom of the wedge head 33, and the angle of the tapered surface 331 is 30°, so that the clamping rod 32 can be smoothly retracted when subjected to extrusion.

[0030] Referring to Figure 6 As shown in the figure, a spring 4 is fixed inside the lower part of the groove 31, the spring 4 is designed as a compression spring, the material is high-carbon steel, the length of the spring is 10 mm, and the end is in contact with the inner surface of the clamping rod 32 to provide a restoring force for the clamping rod 32, so that the wedge head 33 and the annular groove 22 always maintain reliable cooperation.

[0031] Referring to Figures 2-5 As shown in the figure, a sliding sleeve 6 is slidingly installed on the surface of the docking pipe 3, the sliding sleeve 6 is made of aluminum alloy material, and four extrusion protrusions 61 are uniformly arranged on the inner bottom, the height of the extrusion protrusion 61 is 5 mm, and the plurality of extrusion protrusions 61 are respectively arranged above the plurality of grooves 31, and the extrusion protrusion 61 is used to extrude the clamping rod 32 inwardly, so as to realize the retraction action of the clamping rod 32.

[0032] Referring to Figure 5 As shown in the figure, two tooth rods 62 are symmetrically welded on the upper surface of the sliding sleeve 6, the tooth pitch of the tooth rod 62 is 4 mm, and the tooth direction is consistent; the tooth rod 62 is used to link and control the up-down sliding of the sliding sleeve 6 through the gear 5. Figure 2 and Figure 3 As shown in the figure, a boss 34 is fixed on one side of the surface of the docking pipe 3, the boss 34 is arranged between the two tooth rods 62, and the gear 5 is rotatably installed on the side surface of the boss 34, the gear 5 is made of 45# steel and is in meshing relationship with the tooth rod 62, so as to ensure the stable rotation of the gear 5.

[0033] Referring to Figure 2 and Figure 3As shown, the outer side of the two gears 5 is provided with an oscillating rod 51, the oscillating rod 51 is 150mm long, made of stainless steel, and the two ends of the oscillating rod 51 are fixed with a counterweight crossbar 52, the counterweight crossbar 52 is made of solid aluminum alloy, and the surface is provided with a non-slip coating, the counterweight crossbar 52 is used to provide the sliding sleeve 6 with an up-down sliding driving force; The surface of the counterweight crossbar 52 is connected with a pull rope 53, the pull rope 53 is made of high-strength nylon material, the pull rope 53 is extended to the top opening of the hollow square pile body 1, and is used to control the movement of the sliding sleeve 6 and the contraction operation of the clamping rod 32, so that the quick separation and installation of the butt joint pipe 3 are realized.

[0034] The working principle of the utility model is: when installing, the hollow square pile body 1 is lifted to make the hollow square pile body 1 perpendicular to the ground, and the conical pile tip 11 is placed below, then the butt joint pipe 3 is lowered through the top opening of the hollow square pile body 1, during the lowering process, the counterweight crossbar 52 inclines downward due to the weight, so as to drive the sliding sleeve 6 to be placed at the uppermost position of the stroke, and due to the elastic force of the spring 4, the clamping rod 32 has an outward force at the bottom, the clamping rod 32 inclines outward at the bottom, the bottom of the butt joint pipe 3 gradually enters the inside of the butt joint cylinder 21, at this time, the tapered surface 331 is extruded, so that the clamping rod 32 is inward, until the wedge-shaped head 33 completely enters the inside of the groove 31, when the butt joint pipe 3 is lowered to the position, the lower end surface of the butt joint pipe 3 contacts the stepped surface in the butt joint cylinder 21, the spring 4 can pop out the clamping rod 32, then the wedge-shaped head 33 enters the inside of the annular groove 22 to limit, so as to prevent the nozzle 2 and the butt joint pipe 3 from being separated, so that automatic clamping is realized, at this time, the butt joint pipe 3 is injected with high-pressure water flow through the external water pump box, the water flow enters and is discharged downward through the nozzle 2, so as to realize hole guiding.

[0035] After the hole guiding is finished, the counterweight crossbar 52 is driven to move upward through the external pull rope 53, so as to drive the two gears 5 to rotate through the oscillating rod 51, the rotating direction can drive the sliding sleeve 6 to move downward through the meshing of the gear 5 and the toothed rod 62, then the extrusion block 61 moves downward along the inside of the groove 31, gradually extruding the clamping rod 32, so that the inclined clamping rod 32 gradually shrinks in the groove 31, when the sliding sleeve 6 completely moves downward to the position, the wedge-shaped head 33 is entirely retracted in the groove 31, at this time, it does not cooperate with the annular groove 22, continuously pulling the pull rope 53 can separate the butt joint pipe 3 and the nozzle 2, then the quick separation work is realized, and the convenience during use is improved.

[0036] The above only describes the preferred embodiments of the utility model, it should be pointed out that for ordinary technical personnel in the technical field, without departing from the principle of the utility model, a number of improvements and refinements can be made, these improvements and refinements should also be regarded as the protection scope of the utility model. The structures, devices and operation methods not specifically described and explained in the utility model are implemented according to the conventional means in the field, without special description and limitation.

Claims

1. A high-pressure water hole guiding device for prestressed concrete hollow square piles, comprising a hollow square pile body (1) and a butt joint pipe (3), characterized in that: The hollow square pile body (1) is hollow, the bottom of the hollow square pile body (1) is provided with a tapered pile tip (11), the inside of the tapered pile tip (11) is fixedly embedded with a spray head (2), the bottom of the spray head (2) is open, the top of the spray head (2) is provided with a butt cylinder (21), the top of the butt cylinder (21) is open, the inner wall of the butt cylinder (21) is provided with an annular groove (22), the butt cylinder (3) is arranged in the hollow square pile body (1), the top of the butt cylinder (3) is connected with a high-pressure water pump through a hose, the bottom of the butt cylinder (3) is inserted into the inside of the butt cylinder (21), the lower end surface of the butt cylinder (3) and the stepped surface of the inner wall of the butt cylinder (21) are in contact with each other, and a sealing ring is arranged therebetween, a plurality of recesses (31) are uniformly arranged on the surface of the butt cylinder (3), a clamping rod (32) is hingedly connected in the recess (31), the rotating shaft of the clamping rod (32) is arranged above the recess (31), the bottom of the clamping rod (32) is inclined outward, a wedge head (33) is arranged on the outer side of the bottom of the clamping rod (32), the wedge head (33) is arranged on the inner side of the annular groove (22), and a tapered surface (331) is arranged on the outer side of the bottom of the wedge head (33).

2. The high-pressure water hole guiding device for prestressed concrete hollow square pile according to claim 1, characterized in that: A spring (4) is fixedly arranged below the recess (31), and the end of the spring (4) is in contact with the inner side surface of the clamping rod (32).

3. The prestressed concrete hollow square pile high-pressure water hole guiding device according to claim 1, characterized in that: A sliding sleeve (6) is slidingly arranged on the surface of the butt cylinder (3), a plurality of extrusion protrusions (61) are uniformly arranged on the inner bottom of the sliding sleeve (6), and the plurality of extrusion protrusions (61) are arranged above the plurality of recesses (31), respectively.

4. The high-pressure water hole guiding device for prestressed concrete hollow square pile according to claim 3, characterized in that: Two tooth rods (62) are symmetrically welded on the upper surface of the sliding sleeve (6), and the teeth of the two tooth rods (62) are consistent.

5. The prestressed concrete hollow square pile high-pressure water hole guiding device according to claim 4, characterized in that: A boss (34) is fixedly arranged on one side of the surface of the butt cylinder (3), the boss (34) is arranged between the two tooth rods (62), a gear (5) is rotatably arranged on the side surface of the boss (34), and the gear (5) is in meshing connection with the tooth rod (62).

6. The high-pressure water hole guiding device for prestressed concrete hollow square pile according to claim 5, characterized in that: A counterweight cross rod (52) is fixedly arranged between the ends of two swing rods (51), a pull rope (53) is connected to the surface of the counterweight cross rod (52), and the pull rope (53) extends to the top opening of the hollow square pile body (1).

Images