Wellhead protection device of dewatering well

Abstract

The utility model belongs to the technical field of dewatering well plugging protection, and discloses a wellhead protection device of a dewatering well. The wellhead protection device is arranged on a non-fine concrete water filter pipe and comprises a cover plate, a protective cover and a protective cover, and the cover plate is arranged on a pipe opening of the non-fine concrete water filter pipe in a covering mode; the fixing structure comprises an outer ferrule and a hoop arranged on the outer side of the outer ferrule in a sleeving mode, and the outer ferrule is arranged on the periphery of the side close to the pipe opening; one end of the hinge structure is connected with one side, close to the pipe orifice, of the cover plate, and the other end is connected with the outer ferrule to control opening and closing of the cover plate; a water level monitoring hole penetrating through the cover plate in the thickness direction of the cover plate is formed in the cover plate, a water level indicating assembly is arranged in the non-fine concrete water filtering pipe, and water level information indicated by the water level indicating assembly can be obtained through the water level monitoring hole. Based on the characteristics of simple structure, convenience in assembly, reliability in connection, stable structure and high safety, the wellhead protection device of the dewatering well provided by the utility model meets the actual operation requirements of the construction industry.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of precipitation well plugging protection, and particularly relates to a wellhead protection device of a precipitation well. BACKGROUND

[0002] In recent years, the building industry in China has maintained a rapid growth trend, and as a prerequisite for structural construction, tube well dewatering has been widely used, and the wellhead protection of the precipitation well is a safety hazard on site.

[0003] The wellhead protection of the traditional precipitation well is to cover a partition plate on the wellhead and add warning signs for protection, but this method has the following disadvantages: 1) the warning signs are easily damaged or lost; 2) the partition plate is only covered and not fixed, and is easily lost; 3) it is not easy to detect, and there may be cases of accidental stepping on the wellhead or damaging the wellhead, and the safety is not high.

[0004] Therefore, in order to overcome the above problems, it is urgent to provide a wellhead protection device of a precipitation well which is easy to assemble, stable in structure and high in safety.

[0005] Therefore, the present application is proposed. UTILITY MODEL CONTENT

[0006] The utility model aims at overcoming the defects of the prior art, and provides a wellhead protection device of a precipitation well which is easy to assemble, stable in structure and high in safety.

[0007] To solve the above technical problems, the basic idea of the technical scheme of the utility model is that a wellhead protection device of a precipitation well is arranged on a sand-free concrete water filter pipe, and comprises:

[0008] A cover plate is arranged on the pipe opening of the sand-free concrete water filter pipe;

[0009] A fixing structure comprises an outer sleeve ring and a clamp arranged outside the outer sleeve ring, and the outer sleeve ring is arranged on the outer periphery of the side close to the pipe opening;

[0010] A hinge structure is connected to the side of the cover plate close to the pipe opening at one end, and connected to the outer sleeve ring at the other end, so as to control the opening and closing of the cover plate;

[0011] A water level monitoring hole is arranged on the cover plate and penetrates the cover plate along the thickness direction of the cover plate, and a water level indicating assembly is arranged in the sand-free concrete water filter pipe, so that the water level information indicated by the water level indicating assembly can be obtained through the water level monitoring hole.

[0012] According to an embodiment of the utility model, wherein, the cover plate includes through the chord of the projection in the thickness direction of oneself, the first cover plate and the second cover plate that are separated;

[0013] The first cover plate and the second cover plate are connected with the outer sleeve ring through the hinge structure;

[0014] The first cover plate or the second cover plate is provided with the water level monitoring hole.

[0015] According to an embodiment of the utility model, wherein, the cover plate is further provided with a water outlet, the aperture of the water outlet is greater than the outer diameter of the water outlet pipe arranged in the sandless concrete water filtering pipe;

[0016] The water outlet is arranged on the first cover plate and / or the second cover plate., according to the well mouth protection device of a dewatering well of claim, its characterized in that, the first cover plate with the second cover plate is connected through locking assembly.

[0017] According to an embodiment of the utility model, wherein, the locking assembly is a lock, and the locking assembly is fixed on the cover plate by welding.

[0018] According to an embodiment of the utility model, wherein, the clamp is provided with multiple, and multiple clamps are arranged along the axial direction of the outer sleeve ring.

[0019] After adopting the above technical scheme, the utility model has the following beneficial effects compared with the prior art:

[0020] 1) In the utility model, the hinge structure connecting the cover plate and the fixing structure is arranged, so that the cover plate can be rotated and opened, the well mouth protection device is easy to assemble, and the stability of the structure is ensured.

[0021] 2) In the utility model, the water level monitoring hole and the matched water level indicating assembly are arranged, so that the water level information in real time can be obtained.

[0022] 3) In the utility model, the locking assembly is arranged, which prevents the cover plate from being abnormally opened, and further improves the reliability and safety of the well mouth protection device.

[0023] The specific embodiments of the utility model will be described in further detail below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0024] The accompanying drawings are used to provide further understanding of the present application and serve as a part of the present application. The schematic embodiments of the present application and the descriptions thereof are used to explain the present application, but do not constitute an improper limitation on the present application. Obviously, the drawings described below are only some embodiments, and other drawings can be obtained by those skilled in the art without creative effort. In the drawings:

[0025] Figure 1 Fig. 1 is a structural schematic view of a wellhead protection device of a dewatering well in an embodiment of the present application;

[0026] Figure 2 Fig. 2 is a sectional structural schematic view of A-A in Fig. 1. Figure 1

[0027] Main element description in the drawings:

[0028] 1, sand-free concrete filter pipe; 2, cover plate; 21, first cover plate; 22, second cover plate; 3, fixing structure; 31, outer sleeve ring; 32, clamp; 4, hinge structure; 5, water level monitoring hole; 6, locking assembly; 7, water outlet; 8, water outlet pipe.

[0029] It should be noted that these drawings and textual descriptions are not intended to limit the scope of the concept of the present application in any way, but to illustrate the concept of the present application to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments will be described clearly and completely below in combination with the drawings in the embodiments of the present application. The following embodiments are used to illustrate the present application, but not to limit the scope of the present application.

[0031] In the description of the present application, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0032] ​In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, the term "installation", "connection", "connection" should be broad sense understanding, for example, it can be fixed connection, also can be detachable connection, or integral connection, it can be mechanical connection, also can be electrical connection, it can be direct connection, also can be indirectly connected through the intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0033] As Figure 1 And Figure 2 The utility model discloses a wellhead protection device of dewatering well sets up on sandless concrete filter pipe 1, including:

[0034] Cover plate 2, the cover plate 2 is disc type structural member, the cover plate 2 covers and sets on the pipe orifice of sandless concrete filter pipe 1, and the diameter of cover plate 2 is greater than or equal to the pipe diameter of sandless concrete filter pipe 1;

[0035] Fixed structure 3, the fixed structure 3 sets up in sandless concrete filter pipe 1 close to the one end of cover plate 2;

[0036] Hinge structure 4, one end of hinge structure 4 is connected with the side of cover plate 2 close to the pipe orifice of sandless concrete filter pipe 1, and the other end of hinge structure 4 is connected with fixed structure 3, so that cover plate 2 can rotate relative to fixed structure 3 to control the opening and closing of cover plate 2;

[0037] Water level monitoring hole 5 is arranged on the cover plate 2 and penetrates along the thickness direction of the cover plate 2, and a water level indicating assembly is arranged in the sandless concrete filter pipe 1, and the water level information indicated by the water level indicating assembly can be obtained through the water level monitoring hole 5.

[0038] In the utility model, the hinge structure 4 connecting the cover plate 2 and the fixed structure 3 is arranged, so that the cover plate 2 can be rotated and opened, the wellhead protection device is simple to assemble, and the stability of the structure is ensured;The water level monitoring hole 5 and the matched water level indicating assembly are arranged, and the water level information in the real-time state can be obtained.

[0039] In one specific embodiment of the embodiment, the cover plate 2 is a steel structural member, and the thickness of the cover plate 2 is 3mm.

[0040] In one specific embodiment of the embodiment, the hinge structure 4 is a hinge, one side of the hinge is connected to the fixed structure 3, and the other side of the hinge is fixed to the cover plate 2, so that the cover plate 2 can rotate relative to the fixed structure 3 with the hinge shaft as the rotation center.

[0041] In one specific embodiment of the present embodiment, the water level indicating component is a float, which changes its height with the water level.

[0042] In one specific embodiment of the present embodiment, the water level indicating component is a water level sensor (not shown in the figure), such as an ultrasonic water level sensor, a capacitive water level sensor, a float-type water level sensor, a pressure-type water level sensor, etc.

[0043] In one specific embodiment of the present embodiment, the hinge structure 4 is connected with the cover plate 2 and the fixed structure 3 by welding.

[0044] Please refer to the accompanying Figure 1 and the accompanying Figure 2 In one specific embodiment of the present embodiment, the cover plate 2 includes a first cover plate 21 and a second cover plate 22 separated by a chord projected along its thickness direction.

[0045] The first cover plate 21 and the second cover plate 22 are connected with the fixed structure 3 through the hinge structure 4, and the first cover plate 21 and the second cover plate 22 are connected through a locking component 6.

[0046] In the present utility model, the locking component 6 is arranged to prevent the cover plate 2 from being abnormally opened, thereby further improving the reliability and safety of the wellhead protection device.

[0047] In one specific embodiment of the present embodiment, the cross section of each side of the first cover plate 21 and the second cover plate 22 close to each other is parallel to the vertical direction (the thickness direction of the cover plate 2), i.e., the chord projected along the thickness direction of the cover plate 2 is a chord projected along the vertical direction.

[0048] In another specific embodiment of the present embodiment, the first cover plate 21 and the second cover plate 22 each have a certain thickness, and the cross section of each side of the first cover plate 21 and the second cover plate 22 close to each other is parallel to each other and forms a certain angle with the vertical direction (the thickness direction of the cover plate 2) (not shown in the figure).

[0049] Please refer to the accompanying Figure 1 and the accompanying Figure 2In one specific embodiment of the present embodiment, the first cover plate 21 and the second cover plate 22 have equal sizes in the projection along the thickness direction thereof, i.e., the cover plate 2 is equally divided by its diameter to form the first cover plate 21 and the second cover plate 22. In this case, it includes 1) the case where the first cover plate 21 and the second cover plate 22 are formed by vertically cutting along the diameter; and 2) the case where the first cover plate 21 and the second cover plate 22 are formed by cutting at an angle along the diameter, the first cover plate 21 being partially arranged on the second cover plate 22, and the projections of the first cover plate 21 and the second cover plate 22 along the vertical direction partially overlapping.

[0050] In another specific embodiment of the present embodiment (not shown in the drawings), the first cover plate 21 has a size in the projection along the thickness direction thereof greater than that of the second cover plate 22. That is, the cover plate 2 is divided by a chord (not a diameter) thereof to form the first cover plate 21 and the second cover plate 22. In this case, it includes 1) the case where the first cover plate 21 and the second cover plate 22 are formed by vertically cutting along the diameter; and 2) the case where the first cover plate 21 and the second cover plate 22 are formed by cutting at an angle along the diameter, the first cover plate 21 being partially arranged on the second cover plate 22, and the projections of the first cover plate 21 and the second cover plate 22 along the vertical direction partially overlapping.

[0051] Please refer to the accompanying drawings Figure 1 and the accompanying drawings Figure 2 In one specific embodiment of the present embodiment, the water level monitoring hole 5 is arranged on the first cover plate 21 or the second cover plate 22.

[0052] It can be understood that the water level monitoring hole 5 can be arranged on the first cover plate 21 or the second cover plate 22. Correspondingly, the water level indicating assembly arranged in the sandless concrete filter pipe 1 corresponds to the water level monitoring hole 5 in position, so that the water level information indicated by the water level indicating assembly can be obtained through the water level monitoring hole 5.

[0053] Please refer to the accompanying drawings Figure 1 and the accompanying drawings Figure 2 In one specific embodiment of the present embodiment, the cover plate 2 is further provided with a water outlet 7, the aperture of the water outlet 7 being greater than the pipe diameter of a water outlet pipe 8 arranged in the sandless concrete filter pipe 1.

[0054] The water outlet 7 is arranged on the first cover plate 21 and / or the second cover plate 22.

[0055] In one specific embodiment of the embodiment, the water outlet 7 penetrates the thickness direction of the cover plate 2, and is arranged on the side of the first cover plate 21 and the second cover plate 22 close to each other, or is arranged on the first cover plate 21, or is arranged on the second cover plate 22.

[0056] It can be understood that the center line of the water outlet 7 coincides with the central axis of the cover plate 2.

[0057] Please refer to the accompanying drawings Figure 1 and the accompanying drawings Figure 2 The water outlet pipe 8 is arranged in the sand-free concrete filter pipe 1, and the water outlet pipe 8 is connected to a water pump away from the side of the cover plate 2, and the water pump pumps out the water in the sand-free concrete filter pipe 1 through the water outlet pipe 8.

[0058] In one specific embodiment of the embodiment, the water outlet pipe 8 is a soft water pipe.

[0059] Please refer to the accompanying drawings Figure 1 and the accompanying drawings Figure 2 In one specific embodiment of the embodiment, the locking assembly 6 is a lock, and the locking assembly 6 is fixed on the cover plate 2 by welding, and the first cover plate 21 and the second cover plate 22 are connected by the lock.

[0060] Please refer to the accompanying drawings Figure 1 and the accompanying drawings Figure 2 In one specific embodiment of the embodiment, the fixing structure 3 comprises:

[0061] The outer sleeve 31 is sleeved on the outer periphery of the end of the sand-free concrete filter pipe 1 close to the cover plate 2, and the outer sleeve 31 is connected with the hinge structure 4;

[0062] The clamp 32 is sleeved on the outer side of the outer sleeve 31.

[0063] That is, the cover plate 2 is connected to the outer sleeve 31 of the fixing structure 3 by the hinge structure 4.

[0064] In the utility model, the fixing structure 3 is arranged, so that the connection position of the hinge structure 4 is provided, and the wellhead building is not damaged.

[0065] In one specific embodiment of the embodiment, the clamp 32 is provided with a plurality of clamps 32, and the plurality of clamps 32 are arranged in the axial direction of the outer sleeve 31.

[0066] In the utility model, the plurality of clamps 32 are arranged, so that the stability of the installation of the outer sleeve 31 is ensured.

[0067] The wellhead protection device of the dewatering well has the characteristics of simple structure, convenient assembly, reliable connection, stable structure and higher safety performance, and meets the actual operation requirements of the building industry.

[0068] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form, although the utility model has been disclosed as above with a preferred embodiment, however, it is not used to limit the utility model, any skilled person in the art can make some changes or modifications to the above-mentioned technical content without departing from the technical scheme of the utility model, and equivalent embodiments of equivalent changes are equivalent, the implementation scheme in the above embodiment can be further combined or replaced, as long as it does not deviate from the technical scheme of the utility model, any simple modification, equivalent change and modification made to the above embodiment according to the technical essence of the utility model still belongs to the scope of the utility model scheme.

Claims

1. A wellhead protection device for a precipitation well, provided on a no-fines concrete filter pipe (1), characterized in that, The utility model relates to a sandless concrete filter pipe, which comprises a cover plate (2) covering the pipe opening of the sandless concrete filter pipe (1), a fixing structure (3) comprising an outer sleeve ring (31) and a clamp (32) sleeved outside the outer sleeve ring (31), the outer sleeve ring (31) being arranged on the outer periphery of the side close to the pipe opening, a hinge structure (4) having one end connected to the side of the cover plate (2) close to the pipe opening and the other end connected to the outer sleeve ring (31) to control the opening and closing of the cover plate (2), a water level monitoring hole (5) arranged on the cover plate (2) and penetrating the cover plate (2) along the thickness direction of the cover plate (2), and a water level indicating assembly arranged in the sandless concrete filter pipe (1), the water level information indicated by the water level indicating assembly being obtained through the water level monitoring hole (5). The cover plate (2) comprises a first cover plate (21) and a second cover plate (22) separated by a chord projected along the thickness direction of the cover plate (2). The first cover plate (21) and the second cover plate (22) are connected to the outer sleeve ring (31) through the hinge structure (4). The water level monitoring hole (5) is arranged on the first cover plate (21) or the second cover plate (22). A water outlet (7) is further arranged on the cover plate (2), the aperture of the water outlet (7) being greater than the outer diameter of a water outlet pipe (8) arranged in the sandless concrete filter pipe (1).

2. A wellhead protection device for a precipitation well according to claim 1, characterized in that The water outlet (7) is arranged on the first cover plate (21) and / or the second cover plate (22). The first cover plate (21) and the second cover plate (22) are connected through a locking assembly (6). The locking assembly (6) is a lock, and the locking assembly (6) is fixed on the cover plate (2) by welding.

3. A wellhead protection device for a precipitation well according to claim 2, characterised in that A plurality of clamps (32) are arranged along the axial direction of the outer sleeve ring (31). ​ 4. A wellhead protection device for a precipitation well according to claim 2, characterized in that ​ 5. A wellhead protection device for a precipitation well according to claim 4, characterized in that ​ 6. A well head protection device for a dewatering well according to any one of claims 1-5, characterized in that ​

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