Slurry leakage prevention cover cylinder

Abstract

The utility model relates to the technical field of pile foundation drilling, and discloses a slurry leakage prevention cover cylinder which comprises a cylinder body, an end cover and a limiting ring, the cylinder body is formed by splicing two sets of arc-shaped side plates in a detachable mode, and the upper ends of the two sets of side plates are respectively provided with a set of cover plates; the middle of the end cover is provided with a set of through holes for a percussion drill lifting rope to penetrate through, and the end cover and the through holes are each formed by splicing two sets of cover plates. The limiting rings are arranged on the outer wall of the lower side of the cylinder body and used for being supported at the upper end of a protective cylinder, and the limiting rings are fixedly arranged on the two sets of side plates in an equally-divided mode. The slurry leakage prevention cover cylinder can be directly disassembled and assembled after a percussion drill is put down through a steel wire rope, meanwhile, the lower end of the cylinder body is supported on the protective cylinder through the limiting ring, a framework for supporting the cylinder body does not need to be additionally arranged, the structure is simple, and operation is convenient and fast.

Description

Technical Field

[0001] The utility model relates to the technical field of pile foundation drilling, in particular to a mud leakage prevention cover cylinder. Background Art

[0002] During the pile foundation drilling process, the impact drill is lowered into the hole by a wire rope. The mud it produces can easily splash outside the construction hole, causing pollution to the surrounding environment and soil.

[0003] Patent CN217652695U discloses a mud splash prevention device for impact drill construction, wherein the cover is arranged on the ground around the hole, which can effectively prevent mud splashing; however, the protective cover needs to be erected on a set of frames when in use, and the wire rope needs to be passed through the frames. Therefore, the protective cover can only be installed before the wire rope is lowered and removed after the work is completed, which makes installation and removal inconvenient. Utility Model Content

[0004] The utility model aims to overcome the disadvantages of the background technology and provide a hood cylinder for preventing mud from leaking out.

[0005] The embodiments of the present invention are implemented by the following technical solutions:

[0006] A hood for preventing mud leakage, comprising:

[0007] The cylinder body is formed by detachably splicing two sets of arc-shaped side panels, and the upper ends of the two sets of side panels are each provided with a set of cover plates;

[0008] An end cover, wherein a group of through holes for passing the impact drill rope is provided in the middle thereof, and the end cover and the through holes are both formed by splicing two groups of the cover plates; and

[0009] A limiting ring is arranged on the outer wall of the lower side of the cylinder body and is used to support the upper end of the casing. The limiting ring is evenly divided and fixed on the two groups of side plates.

[0010] Furthermore, a plurality of push rods are arranged around the casing below the limiting ring, and the push rods are used to lean against the outer wall of the casing; the limiting ring has an extension part for fixing the push rods, and each group of the push rods is threadedly connected to the extension part.

[0011] Furthermore, the end cover is also provided with a group of cylinders surrounding the through hole, the cylinders are formed by splicing half rings provided on two groups of cover plates, and a group of sleeves are detachably sleeved on the cylinders.

[0012] Furthermore, each set of side panels has a set of insert tubes at both ends in the radial direction, the insert tubes on the two sets of side panels are offset up and down and coaxial, and the ends of the two sets of side panels are connected by pins inserted in the two sets of insert tubes.

[0013] Furthermore, a limiting plate located directly above the latch is welded on any group of the side plates, and the limiting plate is used to prevent the latch from being pulled out of the insert tube at the uppermost end.

[0014] Furthermore, the limiting plate is magnetically connected to the top of the latch.

[0015] Furthermore, each set of the side panels is also provided with lifting ears.

[0016] Furthermore, the outer diameter of the cylinder matches the inner diameter of the casing, and the extension length of the extension portion along the axial direction of the cylinder is shorter than the length of the lower end of the cylinder.

[0017] The technical solution of the embodiment of the utility model has at least the following advantages and beneficial effects:

[0018] The mud leakage prevention cover cylinder of the utility model is spliced ​​by two groups of cylinders, and can be directly disassembled and assembled after the impact drill is lowered by the wire rope. At the same time, the lower end of the cylinder is supported on the casing by a limit ring, and there is no need to additionally set up a frame to support the cylinder. The structure is simple and the operation is convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a working principle diagram of the anti-mud leakage cover tube of the utility model;

[0020] Figure 2 The utility model is a three-dimensional anti-mud leakage cover Figure 1 ;

[0021] Figure 3 The utility model is a three-dimensional anti-mud leakage cover Figure 2 ;

[0022] Icon: 1-cylinder body, 10-side plate, 100-lifting ear, 101-insertion tube, 102-latch pin, 103-limiting plate, 2-end cover, 20-cover plate, 21-through hole, 22-cylinder, 220-semi-ring, 3-limiting ring, 30-extension part, 4-top rod, 5-casing, 6-sleeve. DETAILED DESCRIPTION

[0023] 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 below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0024] Reference Figures 1 to 3The utility model discloses a hood cylinder for preventing mud leakage, comprising a cylinder body 1, an end cover 2 and a limiting ring 3.

[0025] Among them, the cylinder body 1 is composed of two groups of arc-shaped side plates 10 that are detachably spliced ​​together to make the cylinder body 1 cylindrical, and a group of semicircular cover plates 20 are welded to the upper ends of the two groups of side plates 10; when the two groups of side plates 10 are buckled into the cylinder body 1, the two groups of cover plates 20 are spliced ​​into a group of end covers 2, and a group of through holes 21 for passing the impact drill lifting rope (wire rope) are provided in the middle of the end cover 2, and the through holes 21 are arranged in two groups on the two groups of cover plates 20.

[0026] Reference Figure 1 The limiting ring 3 is arranged on the outer wall of the lower side of the cylinder 1, and the limiting ring 3 is evenly divided and welded on the lower outer walls of the two sets of side plates 10. When in use, the lower end of the cylinder 1 is inserted into the casing 5, and the limiting ring 3 is supported on the casing 5, so that the support of the cylinder 1 can be achieved.

[0027] In the above embodiment, the two sets of side panels 10 of the cylinder 1 can be detachably connected by various means such as locks, buckles, clamps or latches.

[0028] Reference Figure 2 and Figure 3 In one embodiment, a plurality of groups of push rods 4 are arranged around the casing 5 below the limiting ring 3, wherein the push rods 4 are used to lean against the outer wall of the casing 5, and the limiting ring 3 has an extension portion 30 for fixing the aforementioned plurality of push rods 4, and each group of push rods 4 is threadedly connected to the extension portion 30. After the barrel 1 is inserted into the casing 5, the aforementioned plurality of push rods 4 can be pressed against the outer wall of the casing 5 by screwing the push rods 4, and the barrel 1 is not easily displaced due to the vibration generated by the impact during the operation of the impact drill.

[0029] In one embodiment, the end cover 2 is further provided with a group of cylinders 22 surrounding the through hole 21, wherein the cylinder 22 is formed by splicing half rings 220 provided on two groups of cover plates 20. When the two groups of side panels 10 are disassembled, the cylinder 22 is also split into two halves; after the two groups of side panels 10 are assembled into a group of cylinder bodies 1, a group of sleeves 6 are detachably mounted on the cylinder 22, so that the upper ends of the two groups of side panels 10 can be firmly fixed together; when the cylinder body 1 needs to be disassembled, the sleeves 6 only need to be removed in advance.

[0030] Reference Figure 2 In addition, a group of insert tubes 101 are respectively provided at both ends of each group of side panels 10 in the radial direction. In addition, the insert tubes 101 on the two groups of side panels 10 are offset up and down and coaxial. The ends of the two groups of side panels 10 are connected by pins 102 inserted in the two groups of insert tubes 101, that is, the lower ends of the two groups of side panels 10 are detachably connected by the pins 102.

[0031] In one embodiment, referring to Figure 2A limiting plate 103 located directly above the latch 102 is welded on any set of side plates 10. The limiting plate 103 is used to prevent the latch 102 from being pulled out of the uppermost insert tube 101. That is, when the cylinder body 1 needs to be disassembled, the latch 102 is pulled upward to separate the latch from the lowermost insert tube 101. At this time, the upper end of the latch 102 abuts against the limiting plate 103, so that the latch is not easy to fall off.

[0032] In addition, in one embodiment, the limit plate 103 is magnetically connected to the top of the latch 102. During the disassembly and assembly of the cylinder 1, the latch 102 only needs to be pulled up and adsorbed on the limit plate 103. The latch 102 will not automatically slide down and re-lock, saving labor intensity.

[0033] In the above embodiment, each set of side plates 10 is also provided with lifting ears 100 to facilitate lifting of the cylinder 1 during disassembly and assembly.

[0034] In addition, the outer diameter of the cylinder 1 matches the inner diameter of the casing 5, and the extension length of the extension portion 30 along the axial direction of the cylinder 1 is shorter than the length of the lower end of the cylinder 22. Therefore, when the anti-mud leakage cover is erected on the ground, the lower end of the cylinder 1 is supported on the ground, and the extension portion 30 is suspended in the air to avoid extrusion deformation of the extension portion 30.

[0035] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A hood to prevent mud leakage. It is characterized in that include: The cylinder (1) is formed by detachably splicing two sets of arc-shaped side panels (10), and each set of cover panels (20) is provided at the upper end of the two sets of side panels (10); The end cover (2) has a group of through holes (21) in the middle thereof for passing the impact drill rope, and the end cover (2) and the through holes (21) are both formed by splicing two groups of cover plates (20); and A limiting ring (3) is arranged on the outer wall of the lower side of the cylinder (1) and is used to support the upper end of the casing (5). The limiting ring (3) is evenly divided and fixed on the two groups of side plates (10).

2. The anti-mud leakage cover according to claim 1, It is characterized in that A plurality of push rods (4) are arranged around the casing (5) below the limiting ring (3), and the plurality of push rods (4) are used to lean against the outer wall of the casing (5); the limiting ring (3) has an extension part (30) for fixing the plurality of push rods (4), and each group of the push rods (4) is threadedly connected to the extension part (30).

3. The anti-mud leakage cover according to claim 2, It is characterized in that The end cover (2) is also provided with a group of cylinders (22) surrounding the through hole (21), the cylinders (22) being formed by splicing together half rings (220) provided on two groups of cover plates (20), and a group of sleeves (6) being detachably sleeved on the cylinders (22).

4. The anti-mud leakage cover according to claim 1 or 2, It is characterized in that A group of inserting tubes (101) are respectively provided at two radial ends of each group of side plates (10); the inserting tubes (101) on the two groups of side plates (10) are vertically staggered and coaxial; and the ends of the two groups of side plates (10) are connected via latches (102) inserted into the two groups of inserting tubes (101).

5. The anti-mud leakage cover according to claim 4, It is characterized in that A limiting plate (103) located directly above the latch pin (102) is also welded on any group of the side plates (10), and the limiting plate (103) is used to prevent the latch pin (102) from being pulled out of the uppermost insertion tube (101).

6. The anti-mud leakage cover according to claim 5, It is characterized in that The limiting plate (103) is magnetically connected to the top of the latch (102).

7. The anti-mud leakage cover according to claim 1 or 2, It is characterized in that Each set of side panels (10) is also provided with a lifting lug (100).

8. The anti-mud leakage cover according to claim 3, It is characterized in that The outer diameter of the cylinder (1) matches the inner diameter of the casing (5), and the extension length of the extension portion (30) along the axial direction of the cylinder (1) is shorter than the length of the lower end of the cylinder (22).

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