Hydraulic pipeline connecting device, hydraulic pipeline and pile machine

Abstract

The hydraulic pipeline connecting device comprises a hydraulic pipe, a first opening and a second opening are formed in the two ends of the hydraulic pipe, a fluid channel is formed between the first opening and the second opening, and a first connecting assembly and a second connecting assembly are arranged in the hydraulic pipe. The first connecting assembly comprises a first oil passing piece and a first jacking mechanism which are arranged in the hydraulic pipe, the first jacking mechanism is arranged between the first oil passing piece and the first opening and moves in the axial direction of the hydraulic pipe, and the second connecting assembly comprises a second oil passing piece and a second jacking mechanism which are arranged in the hydraulic pipe. The second jacking mechanism is arranged between the second oil passing piece and the second opening and moves in the axial direction of the hydraulic pipe. The hydraulic pipeline can be conveniently assembled, operation is convenient, and safety risks are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the equipment technical field of pile foundation construction, especially relates to a hydraulic pipeline connecting device, hydraulic pipeline and pile machine. BACKGROUND

[0002] In the prefabricated pile construction process, the hydraulic pile driver driven by the hydraulic power is generally used, and the length of the hydraulic pipeline equipped in the common pile driver on the market is usually large, reaching dozens of meters, the equipment with the structure can cause the height of the pile driver to be very high, and the transportation, assembly and construction process are inconvenient; the structure of the telescopic hydraulic pipeline is relatively complex, the hydraulic pipeline is easy to be damaged and leak oil in the repeated telescopic process, causing the equipment maintenance to be more and more complex, and even causing the equipment to be scrapped prematurely.

[0003] If the hydraulic pipeline of the pile driver is made into a detachable structure, a large amount of cost and trouble of hoisting and disassembling can be saved, and the transportation is more convenient. During transportation, the upper section of the main frame can be retracted and folded, and during use, the upper section of the main frame can be installed, disassembled and moved according to the needs, so that the work efficiency is improved and the cost is reduced. However, the structure of the hydraulic pipeline connecting part of the common pile driver on the market is relatively complex, the structure is easy to be damaged, and the problems such as oil leakage occur, in addition, manual disassembly is required, especially on the construction site, the height of the oil pipe can reach dozens of meters after being erected, workers need to go to the high platform to disassemble and maintain, which is dangerous and is not conducive to safe construction. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at solving the technical problems existing in the installation and disassembly of the hydraulic pipeline of the existing pile driver.

[0005] In order to achieve the purpose of the utility model, the utility model adopts the following technical scheme:

[0006] A hydraulic pipeline connecting device, comprising a hydraulic pipe, the hydraulic pipe has a first opening and a second opening at both ends, a fluid passage is arranged between the first opening and the second opening, a first connecting assembly and a second connecting assembly are arranged in the hydraulic pipe, the first connecting assembly comprises a first oil passage and a first jacking mechanism arranged in the hydraulic pipe, the first jacking mechanism is arranged between the first oil passage and the first opening, the first jacking mechanism moves axially along the hydraulic pipe, the second connecting assembly comprises a second oil passage and a second jacking mechanism arranged in the hydraulic pipe, the second jacking mechanism is arranged between the second oil passage and the second opening, and the second jacking mechanism moves axially along the hydraulic pipe.

[0007] In some embodiments, the first jacking mechanism comprises a first body, a first elastic member is arranged between the first body and the first oil passage, the first body is provided with a first jacking rod, the first jacking rod is arranged axially along the hydraulic pipe and faces the first opening direction; the second jacking mechanism comprises a second body, a second elastic member is arranged between the second body and the second oil passage, the second body is provided with a second jacking rod, the second jacking rod is arranged axially along the hydraulic pipe and faces the second opening direction.

[0008] In some embodiments, the first body and the first oil passage are connected through a first insertion rod, and the second body and the second oil passage are connected through a second insertion rod.

[0009] In some embodiments, the first opening is provided with a first clamping member, the second opening is provided with a second clamping member, the first and second clamping members are arranged in pairs, and the first and second clamping members are both provided with through holes.

[0010] In some embodiments, the first to fifth grooves are coaxially arranged in the hydraulic pipe, the first oil passage and the first clamping member are arranged in the first and second grooves, the second oil passage and the second clamping member are arranged in the fourth and fifth grooves respectively, and the third groove is located at the first opening.

[0011] In some embodiments, the first clamping member has a wide diameter part and a narrow diameter part arranged above the wide diameter part, the wide diameter part is located above the first body, the first insertion rod passes through the first clamping member, and the end face of the second clamping member has a matching groove corresponding to the narrow diameter part.

[0012] In some embodiments, the upper end edge of the first clamping member is a flat surface and is flush with the second groove.

[0013] In some embodiments, the second body has a second jacking block, the lower part of the second jacking block is in a rectangular flat shape, the two sides of the second jacking block are provided with protrusions, and the upper parts of the protrusions are integrally installed on the second clamping member.

[0014] A hydraulic pipe comprises a plurality of hydraulic pipes connected by a hydraulic pipe connecting device.

[0015] A pile driver comprises a hydraulic pipe.

[0016] The connecting device has the following advantages:

[0017] After the two connecting devices are combined, the hydraulic oil can flow from the inside of the connecting hydraulic pipe to the gap between the second jacking mechanism and the second clamping member, the through hole arranged on the first clamping member, and the gap between the first clamping member and the first jacking mechanism in sequence from top to bottom, thereby realizing the connection and communication of the hydraulic oil pipe. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort.

[0019] Figure 1 is a schematic view of a hydraulic pipe provided by the first embodiment of the present application.

[0020] Figure 2 is a schematic view of a hydraulic pipe connecting device provided by the first embodiment of the present application.

[0021] Figure 3 is a schematic view of a first oil passage provided by the first embodiment of the present application.

[0022] Figure 4 is a schematic view of the hydraulic pipe connecting device before docking provided by the first embodiment of the present application.

[0023] Figure 5 is a schematic view of the hydraulic pipe connecting device after docking provided by the first embodiment of the present application.

[0024] Figure 6 is a schematic view of the hydraulic pipe connecting device before docking provided by the second embodiment of the present application.

[0025] Figure 7 is a schematic view of the hydraulic pipe connecting device after docking provided by the second embodiment of the present application.

[0026] Figure 8 is a schematic view of the hydraulic pipe connecting device before docking provided by the third embodiment of the present application.

[0027] Figure 9 is a schematic view of the hydraulic pipe connecting device after docking provided by the third embodiment of the present application.

[0028] In the drawings:

[0029] 1, hydraulic pipe; 10, first opening; 20, second opening; 21, first oil passage; 23, first clamping member; 24, second clamping member; 25, first jacking mechanism; 26, second jacking mechanism; 27, first elastic member; 28, second elastic member; 211, first through hole; 212, second through hole; 250, first main body; 261, second insertion rod; 262, second jacking rod. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the drawings of the utility model below. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments.

[0031] <Embodiment one>

[0032] As Figures 1 to 5 shown, the hydraulic pipeline connecting device provided by the embodiment comprises a hydraulic pipe 1, the hydraulic pipe has a first opening 10 and a second opening 20 at two ends, a fluid passage is arranged between the first opening and the second opening, and the hydraulic pipe 1 is provided with a first connecting assembly and a second connecting assembly. The first connecting assembly comprises a first oil passage part 21 and a first jacking mechanism 25 arranged in the hydraulic pipe 1, a first through hole 211 is arranged at the center of the first oil passage part 21, and 2-10 second through holes 212 are symmetrically arranged at the periphery of the first through hole 211. The first jacking mechanism 25 is arranged between the first oil passage part 21 and the first opening 10, and the first jacking mechanism 25 moves axially along the hydraulic pipe 1 to close or open the fluid passage. The second connecting assembly comprises a second oil passage part 22 and a second jacking mechanism 26 arranged in the hydraulic pipe 1, the second jacking mechanism 26 is arranged between the second oil passage part 22 and the second opening 20, and the second jacking mechanism 26 moves axially along the hydraulic pipe 1 to close or open the fluid passage.

[0033] In the above technical scheme, when the adjacent hydraulic pipes 1 are connected, the first jacking mechanism 25 of the lower hydraulic pipe corresponds to the second jacking mechanism 26 of the upper hydraulic pipe, and the first jacking mechanism and the second jacking mechanism move under force respectively, so that the hydraulic oil can flow in the fluid passage through the first opening, the second opening, the first oil passage part and the second oil passage part, thereby realizing the connection and communication of the hydraulic oil pipes.

[0034] Further, the first jacking mechanism 25 comprises a first main body 250, a first elastic part 27 is arranged between the first main body 250 and the first oil passage part 21, the first main body 250 is provided with a first jacking rod 251, the first jacking rod 251 is arranged axially along the hydraulic pipe and faces the first opening 10, the second jacking mechanism 26 comprises a second main body 260, a second elastic part 28 is arranged between the second main body 260 and the second oil passage part 22, the second main body 260 is provided with a second jacking rod 262, and the second jacking rod 262 is arranged axially along the hydraulic pipe and faces the second opening 20. The first and second main bodies can be pushed by the first and second elastic parts elastically, the first and second elastic parts push the first and second main bodies to close the fluid passage when the hydraulic pipes are not connected, the first and second elastic parts are compressed when the hydraulic pipes are connected, the fluid passage is opened, and the first and second elastic parts are both springs.

[0035] Further, the first body 250 and the first oil passage 21 are connected by the first insertion rod 252, and the second body 260 and the second oil passage 22 are connected by the second insertion rod 261, and the first and second insertion rods are slidably guided in the oil passage.

[0036] Further, the first opening 10 is provided with the first clamping member 23, and the second opening 20 is provided with the second clamping member 24, and the first and second clamping members are arranged in pairs, and each of the first and second clamping members is provided with a through hole. The first to fifth cylinder grooves are coaxially arranged in the hydraulic pipe 1, the first oil passage 21 and the first clamping member 23 are arranged in the first cylinder groove 11 and the second cylinder groove 12, and the outer diameter of the first oil passage 21 matches the inner diameter of the first cylinder groove 11. The outer diameter of the first body 250 is smaller than the inner diameter of the first cylinder groove 11, and the sum of the thickness of the first body 250 and the thickness of the first oil passage 21 is smaller than the depth of the first cylinder groove 11.

[0037] The second oil passage 22 and the second clamping member 24 are arranged in the fourth cylinder groove 14 and the fifth cylinder groove 15 respectively, and the third cylinder groove 13 is located at the first opening 10. The first clamping member 23 has a wide diameter part 231 and a narrow diameter part 232 arranged above the wide diameter part 231, and the wide diameter part 231 is located above the first body 250, the first insertion rod 252 passes through the first clamping member 23, and the end face of the second clamping member 24 has a matching groove corresponding to the narrow diameter part 232. The first clamping member 23 is a columnar structure with a thin upper half and a thick lower half, the outer diameter of the lower half of the first clamping member 23 matches the inner diameter of the second cylinder groove 12, and the height of the lower half is the same as the height of the second cylinder groove 12.

[0038] When the hydraulic pipes are connected, the second clamping structure 24 of the upper hydraulic pipe is aligned in the gap between the first clamping member 23 of the lower hydraulic pipe and the outer wall of the upper end of the hydraulic pipe, the first clamping member 23 lifts the second top block 262 upward, a gap is formed between the second lifting mechanism 26 and the second clamping member 24, and the hydraulic oil can flow from the upper fourth through hole 222 to the gap between the second lifting mechanism 26 and the second clamping member 24. At the same time, the second top block 262 will exert a downward pressure on the first top rod 251 after connection due to its large size, causing the first spring 27 to contract downward, thereby forming a gap between the first clamping member 23 and the first lifting mechanism 25. After combination, the hydraulic oil can flow from the inside of the connected hydraulic pipe 1 to the gap between the second lifting mechanism 26 and the second clamping member 24, the through hole arranged on the first clamping member 23, and the gap between the first clamping member 23 and the first lifting mechanism 25, and then sequentially from top to bottom, thereby realizing the connection and communication of the hydraulic oil pipe.

[0039] <Embodiment Two>

[0040] In this embodiment, the same parts as in Embodiment One are given the same reference numerals and the same textual description is omitted.

[0041] As shown in Figure 6 and Figure 7 , relative to Embodiment One, the pile pipe winding device provided in this embodiment also has the following different structural design:

[0042] The upper end of the first clamping piece 23 is a flat surface and is flush with the second cylinder groove 12. The upper end of the first clamping piece 23 is not provided with a protrusion, and the upper edge thereof is flush with the upper edge of the second cylinder groove 12. The first top rod 251 and the second top block 262 abut against each other, respectively compressing the upper second spring 28 and the lower first spring 27 upward and downward, so that a gap is formed between the second jacking mechanism 26 and the second clamping piece 24, and between the first clamping piece 23 and the first jacking mechanism 25. Hydraulic oil can flow from the inside of the connecting pipe 1, through the gap between the second jacking mechanism 26 and the second clamping piece 24, the through hole provided on the first clamping piece 23, and the gap between the first clamping piece 23 and the first jacking mechanism 25, in sequence from top to bottom.

[0043] <Embodiment Three>

[0044] In this embodiment, the same parts as in Embodiments One and Two are given the same reference numerals and the same textual description is omitted.

[0045] As shown in Figure 8 and Figure 9 , relative to Embodiments One and Two, the pile pipe winding device provided in this embodiment also has the following different structural design:

[0046] The second main body 26 has a second top block 262, the lower part of which is rectangular flat, and two protrusions 263 are arranged on both sides of the second top block 262, the upper part of which is integrally installed on the second clamping member. The long axis direction is parallel to the paper, and two protrusions 263 are arranged on both sides (parallel to the paper) of the second top block 262, the upper part of which is integrally installed on the second clamping member 24; the upper part of the first top block 251 is a flat structure with a rectangular cross section, and the long axis direction is perpendicular to the paper, and the two protrusions on both sides of the first top block 251 are the upper parts of the two protrusions of the first clamping member 23; when the two connecting mechanisms are connected, the two protrusions on both sides of the second top block 262 are used to push down the first top block 251, and the two protrusions on both sides of the first top block 321 are used to push up the second top block, so as to further compress the first spring 27 and the second spring 28, respectively, so that the first top block 251 and the first clamping member 23 and the second top block 262 and the second clamping member 24 form a gap, respectively, so that the hydraulic oil flows from top to bottom, and the hydraulic pipeline is connected. Unlike the above-mentioned embodiment, this connection method completely avoids the situation that when the two top blocks are pushed, one of the top blocks is not pushed open, and the hydraulic oil flow is not connected.

[0047] <Embodiment Four>

[0048] In this embodiment, the same parts as in embodiments one to three are given the same reference numerals, and the same textual description is omitted.

[0049] The embodiment provides a hydraulic pipeline, comprising a plurality of hydraulic pipes, adjacent hydraulic pipes being connected through a hydraulic pipeline connecting device, the hydraulic pipeline connecting device being the hydraulic pipeline connecting device in any one of the embodiments one to three.

[0050] <Embodiment Five>

[0051] In this embodiment, the same parts as in embodiments one to four are given the same reference numerals, and the same textual description is omitted.

[0052] The embodiment provides a pile driver, comprising a hydraulic pipeline, the hydraulic pipeline being the hydraulic pipeline in the embodiment four.

[0053] In the above-mentioned embodiments one to five, during the working process, part of the technical implementation modes of the embodiments one to five can be combined or replaced as the working environment changes.

[0054] The technical principle of the utility model is described above in combination with specific embodiments, but it should be noted that the above description is only for explaining the principle of the utility model and cannot be interpreted as a specific limitation on the protection scope of the utility model in any way. Based on the explanation here, other specific embodiments or equivalent substitutions of the utility model that can be thought of by those skilled in the art without creative labor will all fall within the protection scope of the utility model.

Claims

1. A hydraulic pipe connection device, comprising a hydraulic pipe having a first opening and a second opening at both ends, a fluid passage between the first and second openings, and a first connecting assembly and a second connecting assembly disposed within the hydraulic pipe, characterized in that, The first connecting assembly includes a first oil passage and a first lifting mechanism disposed within the hydraulic pipe. The first lifting mechanism is disposed between the first oil passage and the first opening and moves axially along the hydraulic pipe. The second connecting assembly includes a second oil passage and a second lifting mechanism disposed within the hydraulic pipe. The second lifting mechanism is disposed between the second oil passage and the second opening and moves axially along the hydraulic pipe.

2. The hydraulic pipeline connection device according to claim 1, characterized in that, The first lifting mechanism includes a first body, a first elastic element is provided between the first body and the first oil passage, and the first body is provided with a first push rod, which is arranged along the hydraulic pipe axially and faces the first opening direction; the second lifting mechanism includes a second body, a second elastic element is provided between the second body and the second oil passage, and the second body is provided with a second push rod, which is arranged along the hydraulic pipe axially and faces the second opening direction.

3. The hydraulic pipeline connection device according to claim 2, characterized in that, The first main body and the first oil passage are slidably connected by a first insert rod, and the second main body and the second oil passage are slidably connected by a second insert rod.

4. The hydraulic pipeline connection device according to claim 3, characterized in that, The first opening is provided with a first snap-fit ​​component, and the second opening is provided with a second snap-fit ​​component. The first and second snap-fit ​​components are paired and configured, and both the first and second snap-fit ​​components are provided with through holes.

5. The hydraulic pipeline connection device according to claim 4, characterized in that, The hydraulic pipe is coaxially provided with first to fifth cylindrical grooves. The first oil passage component and the first snap-fit ​​component are provided in the first and second cylindrical grooves. The second oil passage component and the second snap-fit ​​component are provided in the fourth and fifth cylindrical grooves respectively. The third cylindrical groove is located at the first opening.

6. The hydraulic pipeline connection device according to claim 5, characterized in that, The first snap-fit ​​member has a wide diameter portion and a narrow diameter portion disposed above the wide diameter portion. The wide diameter portion is located above the first main body. The first insertion rod passes through the first snap-fit ​​member. The end face of the second snap-fit ​​member has a mating groove, which is correspondingly disposed with the narrow diameter portion.

7. The hydraulic pipeline connection device according to claim 5, characterized in that, The upper edge of the first snap-fit ​​component is flat and flush with the second cylindrical groove.

8. The hydraulic pipeline connection device according to claim 5, characterized in that, The second main body has a second top block, the lower cross-section of which is rectangular and flat, and protrusions are provided on both sides of the second top block. The upper part of the protrusions is integrally installed on the second snap-fit ​​member.

9. A hydraulic pipeline, comprising a plurality of hydraulic pipes, adjacent hydraulic pipes being connected by a hydraulic pipeline connecting device, characterized in that, The hydraulic pipeline connection device is the hydraulic pipeline connection device as described in any one of claims 1 to 8.

10. A piling machine, comprising hydraulic pipelines, characterized in that, The hydraulic pipeline is the hydraulic pipeline as described in claim 9.

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