Double-rotation sleeve casing hole drill hammer hydraulic equipment

By installing a safety platform and adjusting ball at the oil delivery end of the hydraulic system, combined with a docking seat and treatment box for defoaming and filtration, the problems of operational instability and leakage of hydraulic equipment were solved, and the safe and stable operation of the equipment was achieved.

CN116677678BActive Publication Date: 2025-11-25CHINA CONSTR EIGHTH BUREAU SOUTHEAST CONSTR CO LTD
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Patent Information

Application Number
CN202310739411.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-06-21
Publication Date
2025-11-25
Estimated Expiration
2043-06-21

AI Technical Summary

Technical Problem

Existing double-rotating sleeve down-the-hole hammer hydraulic equipment suffers from micro-bubbles in the hydraulic oil after prolonged use, leading to problems such as inaccurate equipment positioning, intermittent movement of the working mechanism, pipeline blockage, and hydraulic oil leakage.

Method used

A safety platform is installed at the oil delivery end of the hydraulic system. Independent on/off switching is achieved through adjusting the ball and dividing pipe. Defoaming and filtration are performed by combining the docking seat and the treatment box. Stainless steel filter plates and one-way valves are used to improve the stability of equipment operation. The stability of the hydraulic pipes is enhanced by clamping components.

Benefits of technology

It has achieved stable operation of hydraulic equipment, avoiding problems such as inaccurate equipment positioning, intermittent movement of working mechanisms and hydraulic oil leakage, thus improving the safety and service life of the equipment.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN116677678B_ABST
    Figure CN116677678B_ABST
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Abstract

The present application relates to pile construction technology field, concretely is a kind of double gyration casing hole hammer casing pulling safety hydraulic equipment, including operation platform, safety platform, support assembly, adjusting assembly, butt joint assembly, processing assembly, hydraulic pipe, clamping assembly, operation platform is horizontally arranged, and support frame is vertically arranged on the side of operation platform, by setting a safety platform in the oil delivery end of hydraulic system, then by adjusting ball setting two independent on-off distinction pipes in safety platform, two distinction pipes are connected with hydraulic pipe simultaneously by butt joint seat, in normal use, one side distinction pipe is used, one side is in closed state, then under the action of processing box between butt joint seat and distinction pipe, the oil sent by hydraulic system is defoamed and filtered, to achieve the purpose of stable and safe equipment operation, then under the action of support box and clamping assembly, butt joint seat is safely protected and hydraulic pipe is stably positioned.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of pile foundation construction, in particular to a double-rotation casing pile driver safety hydraulic equipment. BACKGROUND

[0002] The double-rotation casing pile driver is a device for high-quality pile foundation construction. During construction operation, the upper power head and the lower power head are controlled by a hydraulic device to realize opposite rotation of the spiral drill rod and the casing. Then, in combination with the hydraulic lifting structure and the pile foundation pile driver, the ground is drilled. After drilling, the casing is pre-installed in the hole. When the casing is poured with concrete, the casing needs to be pulled out. However, in the prior art, the internal hydraulic oil of the double-rotation casing pile driver hydraulic equipment will generate small bubbles after long-term use. Only a filter structure is usually arranged on the oil return side, which may cause problems such as inaccurate equipment operation positioning, intermittent movement of the working mechanism, and pipeline blockage. In addition, the hydraulic pipeline connection is prone to looseness, which may cause hydraulic oil leakage. SUMMARY

[0003] The present application aims to provide a double-rotation casing pile driver safety hydraulic equipment to solve the problems in the background art.

[0004] To achieve the above-mentioned purpose, the present application provides the following technical solution: a double-rotation casing pile driver safety hydraulic equipment, which comprises:

[0005] An operation table is horizontally arranged, and a support frame is vertically arranged on one side of the operation table;

[0006] A safety table is vertically arranged on the upper end of the operation table;

[0007] A support assembly is horizontally arranged on the upper end of one side of the safety table, and the support assembly comprises a support box and a sealing cover;

[0008] An adjusting assembly is arranged in the safety table, and the adjusting assembly comprises an adjusting ball and two division pipes;

[0009] A butt joint assembly is horizontally arranged in the support box, and the butt joint assembly comprises a butt joint seat;

[0010] A processing assembly is arranged between the butt joint seat and the two division pipes, and the processing assembly comprises two processing boxes;

[0011] A hydraulic pipe is arranged on one side of the butt joint seat;

[0012] A clamping assembly is arranged on one side of the support box and the sealing cover, and the clamping assembly comprises two clamping plates.

[0013] Preferably, the support box is horizontally provided with a shaft rod at one side of the upper end, the sealing cover is movably sleeved with the shaft rod at one side, and the sealing cover is provided with fastening bolts through threaded insertion at two sides, and the two fastening bolts are inserted into the support box at two sides.

[0014] Preferably, the safety platform is provided with a ball groove at the center of the upper end, the ball groove is provided with an embedded groove at two sides through the safety platform at two sides in the support box, the adjusting ball and the two separate pipes are inserted into the ball groove and the two embedded grooves respectively, and the ball groove is provided with an oil inlet groove at one side through the safety platform.

[0015] Preferably, the adjusting ball is provided with a communication groove, the communication groove and the two separate pipes are L-shaped structures, the communication groove is provided with an interface at two sides and is connected with the oil inlet groove and one side of the separate pipe, and the communication groove is provided with a sealing ring at the interface at two sides.

[0016] Preferably, the support box is symmetrically provided with three support seats, and the butt joint seat is horizontally provided at the upper end of the three support seats, the butt joint seat comprises two one-way pipes and one oil feeding pipe, the two one-way pipes are provided with a bending structure at one side, the two one-way pipes are provided with an "Y" structure and are connected at two sides of one end of the oil feeding pipe, and the hydraulic pipe is sealingly inserted into one side of the oil feeding pipe away from the one-way pipe.

[0017] Preferably, the one-way pipe and the oil feeding pipe are provided with a one-way valve through insertion at one side, the one-way valve comprises a valve body, a spring and a sealing ball, the valve body is provided with a circular hole at two sides through the center, the spring is provided at one side of the valve body close to the oil feeding pipe, the sealing ball is provided at one side of the spring away from the oil feeding pipe, and the sealing ball is inserted into the circular hole at one side.

[0018] Preferably, the processing box is symmetrically provided with two external thread joints at two sides, the two one-way pipes and the two separate pipes are provided with a screw sleeve through a limiting ring movably sleeved at one side close to the processing box, the screw sleeves of the one-way pipe and the separate pipe are sleeved with the external thread joints at two sides of the processing box, and the external thread joints are provided with a sealing gasket at one side in contact with the one-way pipe and the separate pipe.

[0019] Preferably, the processing box is vertically provided with a stainless steel filter plate at the center, the stainless steel filter plate is an eighty-mesh filter plate, and the support box is provided with a liquid sensor at the lower end of one side of the processing box.

[0020] Preferably, the two clamping plates are provided with an arc structure, the two clamping plates are vertically and symmetrically provided at one side of the upper end of the support box and one side of the lower end of the sealing cover through the support rod, one side of the two clamping plates is in contact with the upper and lower sides of the hydraulic pipe, and the clamping plate is provided with a rubber pad at one side in contact with the hydraulic pipe.

[0021] Preferably, the support frame is movably provided with a lower power head on one side, the lower power head is vertically provided with a protection cylinder at the lower end, the safety platform is provided with a recess at the upper end, the recess is horizontally provided with an adjusting disc, the adjusting disc is vertically provided with a synchronous rod at the lower end, the synchronous rod is connected with the upper end of an adjusting ball through the upper end of the safety platform, the adjusting disc is vertically provided with a push rod at the upper end on one side, the safety platform is movably provided with an extension rod at the upper end, and the extension rod is movably sleeved with the push rod on both sides.

[0022] Compared with the prior art, the present application has the following advantages:

[0023] By setting a safety platform at the oil feeding end of the hydraulic system, then setting two independent on-off distribution pipes in the safety platform through an adjusting ball, connecting the two distribution pipes with the hydraulic pipe through the adapter, using one side of the distribution pipe in normal use and closing the other side, then processing the oil output by the hydraulic system through the processing box between the adapter and the distribution pipe to achieve defoaming and filtering, achieving the purpose of stable operation and safety of the equipment, and then protecting the adapter and stabilizing the hydraulic pipe through the support box and the clamping assembly. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a structural schematic view of the present application;

[0025] Figure 2 It is a structural connection top view of the processing assembly of the present application;

[0026] Figure 3 It is a structural schematic view of the safety platform of the present application;

[0027] Figure 4 It is a connection structural schematic view of the adapter of the present application;

[0028] Figure 5 It is a structural schematic view of the processing box of the present application;

[0029] Figure 6 It is a structural schematic view of the adjusting ball of the present application;

[0030] Figure 7 It is a schematic view of A part of the present application; Figure 1

[0031] Figure 8 It is a schematic view of B part of the present application. Figure 2

[0032] ​​In the figure: operating platform 1, support frame 2, safety platform 3, support box 4, sealing cover 5, adjusting ball 6, distinguishing pipe 7, butt joint seat 8, processing box 9, hydraulic pipe 10, clamping plate 11, shaft rod 12, oil inlet groove 13, communication groove 14, sealing ring 15, one-way pipe 16, oil feeding pipe 17, spring 18, sealing ball 19, external thread joint 20, screw sleeve 21, sealing gasket 22, stainless steel filter plate 23, support rod 24, rubber pad 25, lower power head 26, protection cylinder 27, adjusting disc 28, telescopic rod 29. DETAILED DESCRIPTION

[0033] 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. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0034] Please refer to Figures 1-8 The present application provides a double-rotary casing drill pipe drill pipe pulling safety hydraulic equipment: the safety hydraulic equipment comprises:

[0035] The operating platform 1 is horizontally arranged, and the support frame 2 is vertically arranged on one side of the operating platform 1.

[0036] The safety platform 3 is vertically arranged on the upper end of the operating platform 1.

[0037] The support assembly is horizontally arranged on the upper end of one side of the safety platform 3, and comprises the support box 4 and the sealing cover 5. The shaft rod 12 is horizontally arranged on the upper end of one side of the support box 4. The sealing cover 5 is movably sleeved with the shaft rod 12. The sealing cover 5 is provided with fastening bolts on both sides through threaded insertion. The two fastening bolts are respectively inserted into the support box 4 through the sealing cover 5.

[0038] The adjusting assembly is inserted into the safety platform 3. The adjusting assembly comprises the adjusting ball 6 and the two distinguishing pipes 7. A ball groove is formed in the center of the upper end of the safety platform 3. The ball groove is provided with two embedding grooves on both sides through the safety platform 3 and located in the support box 4. The adjusting ball 6 and the two distinguishing pipes 7 are respectively inserted into the ball groove and the two embedding grooves. An oil inlet groove 13 is formed in the side of the ball groove through the safety platform 3. A communication groove 14 is formed in the adjusting ball 6. The communication groove 14 and the two distinguishing pipes 7 are both L-shaped structures. The communication groove 14 is respectively connected with the oil inlet groove 13 and the interface of one side of the distinguishing pipe 7. The communication groove 14 is provided with a sealing ring 15 at the interface on both sides.

[0039] The docking assembly is horizontally arranged in the support box 4, and the docking assembly comprises a docking seat 8. Three supporting seats are symmetrically arranged in the support box 4, and the docking seat 8 is horizontally arranged at the upper end of the three supporting seats. The docking seat 8 comprises two one-way pipes 16 and an oil feeding pipe 17. The two one-way pipes 16 are arranged in a bent structure on one side. The two one-way pipes 16 are arranged in a “Y” shape structure and are respectively connected to the two sides of one end of the oil feeding pipe 17. The hydraulic pipe 10 is sealingly inserted into the oil feeding pipe 17 away from the one-way pipe 16. The liquid sensor is arranged at the lower end of the processing box 9 on one side in the support box 4. The one-way pipe 16 and the oil feeding pipe 17 are penetratingly inserted into the one-way valve arranged on one side. The one-way valve comprises a valve body, a spring 18 and a sealing ball 19. The valve body is provided with a circular hole penetratingly arranged at the center of both sides. The spring 18 is arranged in the valve body and is close to the oil feeding pipe 17. The sealing ball 19 is arranged in the spring 18 and is away from the oil feeding pipe 17. The sealing ball 19 is inserted into the circular hole on one side.

[0040] The processing assembly is arranged between the docking seat 8 and the two distinguishing pipes 7. The processing assembly comprises two processing boxes 9. The two processing boxes 9 are symmetrically provided with two external thread joints 20 on both sides. The two one-way pipes 16 and the two distinguishing pipes 7 are close to the processing box 9 and are movably sleeved with a screw sleeve 21 through a limiting ring. The screw sleeve 21 of the one-way pipe 16 and the distinguishing pipe 7 is sleeved with the external thread joint 20 on both sides of the processing box 9. The external thread joint 20 is sleeved with a sealing gasket 22 on the side in contact with the one-way pipe 16 and the distinguishing pipe 7. The stainless steel filter plate 23 is vertically arranged in the center of the processing box 9. The stainless steel filter plate 23 is an eighty-mesh filter plate.

[0041] The hydraulic pipe 10 is inserted into one side of the docking seat 8.

[0042] The clamping assembly is arranged on one side of the support box 4 and the sealing cover 5. The clamping assembly comprises two clamping plates 11. The support frame 2 is movably provided with a lower power head 26 on one side. The lower power head 26 is vertically provided with a protection cylinder 27. The hydraulic pipe 10 is connected to the lower power head 26 on one side. The two clamping plates 11 are arranged in an arc structure. The two clamping plates 11 are vertically and symmetrically arranged on one side of the upper end of the support box 4 and the lower end of the sealing cover 5 through a supporting rod 24. The two clamping plates 11 are respectively in contact with the upper and lower sides of the hydraulic pipe 10 on one side. The clamping plate 11 is provided with a rubber pad 25 on the side in contact with the hydraulic pipe 10. The safety platform 3 is provided with a recess on the upper end. The adjusting disc 28 is horizontally inserted into the recess. The adjusting disc 28 is vertically provided with a synchronous rod at the lower end. The synchronous rod is penetratingly connected to the upper end of the adjusting ball 6 through the upper end of the safety platform 3. The adjusting disc 28 is vertically provided with a lever on one side of the upper end. The safety platform 3 is movably provided with a telescopic rod 29 on the upper end. The telescopic rod 29 is movably sleeved with the lever on both sides.

[0043] Working principle: in normal use, the electric hydraulic system sends hydraulic oil to the support frame 2 and the lower power head 26 for lifting and rotating operation, the hydraulic oil enters the one-side distribution pipe 7 from the oil delivery groove 13 and the communication groove 14, then is filtered and defoamed by the stainless steel filter plate 23 with a hole diameter not greater than 80 mesh, and then enters the oil delivery pipe 17 from the one-way valve at the top of the one-way pipe 16, and cannot enter the other one-way pipe 16 under the action of the one-way valve at the other one-way pipe 16, thereby improving the safety and stability of the equipment operation, and the stability of the hydraulic pipe 10 is strengthened under the action of the clamp plate 11, avoiding seal loosening and shaking wear, when the filtering performance of the stainless steel filter plate 23 in the one-side processing box 9 deteriorates, the sealing cover 5 is opened by removing the fastening bolt and turning over, the adjusting disc 28 is pushed and rotated 90° by the extension rod 29, then the communication groove 14 of the adjusting ball 6 is connected with the other one-side distribution pipe 7, the one-way pipe 16 is closed, the processing box 9 is removed for cleaning operation by loosening the screw sleeve 21, in addition, the liquid sensor is arranged at the connection between the support box 4 and the processing box 9, when hydraulic oil leakage occurs at one side, the extension rod 29 is automatically controlled to realize the delivery of hydraulic oil by the one-way pipe 16, which is simple in operation and convenient to use.

[0044] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to these embodiments without departing from the principles and spirit of the present application, the scope of the present application being defined by the appended claims and their equivalents.

Claims

1. A dual-rotary-socket hydraulic safety equipment for pulling a casing of a down- hole hammer, characterized in that: The safe hydraulic equipment comprises: An operating table (1) is horizontally arranged, and a support frame (2) is vertically arranged on one side of the operating table (1); A safety table (3) is vertically arranged on the upper end of the operating table (1); A support assembly is horizontally arranged on the upper end of one side of the safety table (3), and comprises a support box (4) and a sealing cover (5); An adjusting assembly is arranged in the safety table (3), and comprises an adjusting ball (6) and two distinguishing pipes (7); A docking assembly is horizontally arranged in the support box (4), and comprises a docking seat (8); A processing assembly is arranged between the docking seat (8) and the two distinguishing pipes (7), and comprises two processing boxes (9); A hydraulic pipe (10) is arranged on one side of the docking seat (8); A clamping assembly is arranged on one side of the support box (4) and the sealing cover (5), and comprises two clamping plates (11); An axle rod (12) is horizontally arranged on the upper end of one side of the support box (4), the sealing cover (5) is movably sleeved on one side of the axle rod (12), and fastening bolts are arranged on the two sides of the sealing cover (5) through threaded connection, and the two fastening bolts are arranged on the two sides of the support box (4) through penetration. A ball groove is formed in the center of the upper end of the safety table (3), two embedding grooves are formed in the two sides of the safety table (3) penetrating the support box (4), the adjusting ball (6) and the two distinguishing pipes (7) are arranged in the ball groove and the two embedding grooves, and an oil inlet groove (13) is formed in one side of the ball groove penetrating the safety table (3). A communication groove (14) is formed in the adjusting ball (6), the communication groove (14) and the two distinguishing pipes (7) are L-shaped structures, the two sides of the communication groove (14) are arranged in opposite connection with the oil inlet groove (13) and the interface of one side of the distinguishing pipe (7), and sealing rings (15) are embedded in the interfaces of the two sides of the communication groove (14).

2. A dual spinning socket driven pile pullout safety hydraulic equipment according to claim 1, characterized in that: Three support seats are symmetrically arranged in the support box (4), the docking seat (8) is horizontally arranged on the upper end of the three support seats, the docking seat (8) comprises two one-way pipes (16) and one oil feeding pipe (17), the two one-way pipes (16) are arranged in a bent structure on one side, the two one-way pipes (16) are arranged in a "Y" shape structure on the two sides of one end of the oil feeding pipe (17), and the hydraulic pipe (10) is sealingly connected to the oil feeding pipe (17) away from the one-way pipe (16).

3. A dual spin casing drive point safety hydraulic device for a downhole hammer casing drive point according to claim 2, wherein: The one-way valves are arranged in the through holes of the one-way pipes (16) and the oil feeding pipe (17), the one-way valves each comprise a valve body, a spring (18) and a sealing ball (19), the two sides of the valve body are arranged with a circular hole in the center, the spring (18) is arranged in the valve body close to the oil feeding pipe (17), the sealing ball (19) is arranged in the spring (18) away from the oil feeding pipe (17), and the sealing ball (19) is arranged in the circular hole on one side.

4. A dual spin casing drive point safety hydraulic device for a downhole hammer casing drive point according to claim 3, wherein: Two outer thread joints (20) are symmetrically arranged on both sides of the processing box (9), two one-way pipes (16) and two distinguishing pipes (7) are movably sleeved with a screw sleeve (21) through a limiting ring close to one side of the processing box (9), the screw sleeves (21) of the one-way pipes (16) and the distinguishing pipes (7) are sleeved with the outer thread joints (20) arranged on both sides of the processing box (9), and the side, which is in contact with the one-way pipes (16) and the distinguishing pipes (7), of the outer thread joints (20) is sleeved with a sealing gasket (22).

5. A dual spin casing drive point safety hydraulic device for a downhole hammer casing drive point according to claim 4, wherein: A stainless steel filter plate (23) is vertically arranged in the processing box (9), the stainless steel filter plate (23) is an eighty-mesh filter plate, and a liquid sensor is arranged at the lower end of one side of the processing box (9) in the supporting box (4).

6. A dual spin casing drive point safety hydraulic device for a downhole hammer casing drive point according to claim 5, wherein: Both the clamping plates (11) are in arc-shaped structure, and both the clamping plates (11) are vertically and symmetrically arranged on the upper end of one side in the supporting box (4) and the lower end of one side of the sealing cover (5) through supporting rods (24), the side of both the clamping plates (11) is in contact with the upper and lower sides of the hydraulic pipe (10), and the side, which is in contact with the hydraulic pipe (10), of both the clamping plates (11) is provided with a rubber pad (25).

7. A dual spin casing drive point safety hydraulic device for a downhole hammer casing drive point according to claim 6, wherein: A lower power head (26) is movably arranged on one side of the supporting frame (2), a protection cylinder (27) is vertically arranged at the lower end of the lower power head (26), a recess is formed in the upper end of the safety platform (3), an adjusting disc (28) is horizontally inserted into the recess, a synchronous rod is vertically arranged at the lower end of the adjusting disc (28), the lower end of the synchronous rod penetrates through the upper end of the safety platform (3) and is connected with the upper end of the adjusting ball (6), a lever is vertically arranged on one side of the upper end of the adjusting disc (28), an extension rod (29) is movably arranged on the upper end of the safety platform (3), and the extension rod (29) is movably sleeved with the lever on both sides.

Citation Information

Patent Citations

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