CN211950417U

CN211950417U - Multifunctional wellhead device for underground water monitoring well

Info

Publication number: CN211950417U
Application number: CN202020676639.2U
Authority: CN
Inventors: 邢冬霞
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-28
Filing date: 2020-04-28
Publication date: 2020-11-17
Anticipated expiration: 2030-04-28

Abstract

The utility model discloses a multi-functional groundwater monitoring well wellhead assembly, including monitoring well wellhead assembly body, monitoring well wellhead assembly body includes box, fixed mounting at the well head protection device of box front side and the well head fixing device who is located the box below, well head protection device's bottom and well head fixing device's the equal sealed movable contact in bottom have solid fixed ring, and the solid fixed ring that is located the top in two solid fixed rings overlaps and is equipped with the well head barrel, and the solid fixed ring that is located the below is overlapped and is equipped with the pit shaft barrel, and well head fixing device fixed cover is established on the well head barrel. The utility model relates to a rationally, convenient operation is convenient for carry out seal installation and take off the clearance to pit shaft barrel and well head barrel fast, improves installation and dismantlement worker efficiency, and the setting in a plurality of trapezoidal holes, is convenient for change the compression degree of first sealing washer, reaches and adjusts its leakproofness size, improves the leakproofness of installation, is favorable to the use.

Description

Multifunctional wellhead device for underground water monitoring well

Technical Field

The utility model relates to a groundwater monitoring well wellhead assembly technical field especially relates to a multi-functional groundwater monitoring well wellhead assembly.

Background

Water quality monitoring divide into groundwater water quality monitoring and surface water quality monitoring, and groundwater water quality monitoring is different from surface water quality monitoring, and the difficulty that faces is more than with the problem, and groundwater water quality monitoring's monitoring well condition is more complicated, and the sampling water easily receives external influence and loses representativeness and authenticity, consequently, it is especially important to protect the monitoring well through the well head maintenance, through the retrieval, the application number: 201821038393.5, discloses a multi-functional groundwater monitoring well wellhead assembly, includes: the wellhead fixing device is connected with the connecting shaft cylinder; the wellhead protection device is connected above the wellhead fixing device through a wellhead cylinder; a tubing string unit disposed inside the wellbore barrel, the tubing string unit connected to an interface of the wellhead barrel through the wellhead fixture; the throwing and fishing system is arranged above the wellhead protection device and is connected with a sampling tool in the shaft cylinder; control system, control the operation of system is dragged for to the throwing, well head protection device adopts the bolt mode with the well head barrel to be connected, well head fixing device connects the bottom in the well head device box, adopt the bolt mode to connect, well head fixing device inner circle adopts threaded connection with pit shaft barrel outer wall, with well head fixing device, well head protection device, the tubular column unit, the system of dragging for throwing, control system is integrated in an organic whole, can directly learn the downhole condition, make to throw and drag for easy control, and well-flushing operation is more simple and convenient moreover, and is easy to operate, and the integrated level is high.

Above-mentioned patent still has some not enough, all realize sealed fixed connection through bolt and flange cooperation between well head protection device and the well head barrel in the above-mentioned patent and between well head fixing device and the pit shaft barrel, this kind of fixed connection mode wastes time and energy, and need take off it after pit shaft barrel and the long-time use of well head barrel and clear up, rusty phenomenon appears easily in the long-time use of bolt, and then the removal clearance work of taking off that influences the later stage, work efficiency is low, can not satisfy the user demand, therefore we have proposed a multi-functional groundwater monitoring well wellhead assembly and have been used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a multifunctional wellhead device of a groundwater monitoring well.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a multifunctional wellhead device of an underground water monitoring well comprises a wellhead device body of the monitoring well, wherein the wellhead device body of the monitoring well comprises a box body, a wellhead protection device fixedly arranged at the front side of the box body and a wellhead fixing device positioned below the box body, the bottom of the wellhead protection device and the bottom of the wellhead fixing device are in sealing movable contact with fixing rings, a wellhead cylinder is fixedly sleeved in one fixing ring positioned above the two fixing rings, a shaft cylinder is fixedly sleeved in one fixing ring positioned below the two fixing rings, the wellhead fixing device is fixedly sleeved on the wellhead cylinder, L-shaped positioning rods are fixedly arranged on the top of the left side of the wellhead protection device and the top of the left side of the wellhead fixing device respectively, fixing blocks are fixedly arranged on the left sides of the fixing rings, the fixing blocks are movably sleeved on the corresponding L-shaped positioning rods, and mounting plates are fixedly arranged on, the bottom of the left side of the mounting plate is movably contacted with the right side of the corresponding fixing ring, the right side of the fixing ring is provided with a first rectangular groove, a moving rod is arranged in the first rectangular groove, the right end of the moving rod is fixedly provided with a vertical rod, the vertical rod is slidably sleeved in the corresponding first rectangular groove, the right side of the vertical rod is fixedly provided with a clamping column, the bottom of the left side of the mounting plate is provided with a plurality of trapezoidal holes, the inner wall of the top of each trapezoidal hole is an inclined plane, the bottom of each trapezoidal hole is a horizontal plane, the right end of the clamping column extends into one trapezoidal hole in the corresponding trapezoidal hole and is embedded with a ball, the ball is matched with the inclined plane of the corresponding trapezoidal hole, the top of the moving rod is provided with a first through hole, the same fixed rod is fixedly arranged between the inner walls on the two sides of the first through hole, the same, the connecting rod sliding sleeve is arranged on the corresponding fixed rods in a sleeved mode, the same spring is fixedly arranged between the right side of the connecting rod and the inner wall of the right side of the corresponding first through hole, the spring is movably arranged on the corresponding fixed rods in a sleeved mode, a push rod is fixedly arranged on one side of the bottom of the moving rod, and the bottom end of the push rod extends to the position below the corresponding fixed ring.

Preferably, the top of the fixing ring is fixedly bonded with a first sealing ring, the top of one first sealing ring above the two first sealing rings is movably contacted with the bottom of the wellhead protection device, and the top of the other first sealing ring is movably contacted with the bottom of the wellhead fixing device.

Preferably, elastic blocks are fixedly mounted on two sides of the top of the wellhead fixing device, and the top of each elastic block is in movable contact with the bottom of the box body.

Preferably, a second rectangular groove is formed in the top of the fixing block, and the inner wall of the second rectangular groove is in sliding connection with the outer side of the corresponding L-shaped positioning rod.

Preferably, a first rectangular hole is formed in the inner wall of the bottom of the first rectangular groove, and the inner wall of the front side and the inner wall of the rear side of the first rectangular hole are respectively in movable contact with the front side and the rear side of the corresponding push rod.

Preferably, a second rectangular hole is formed in one side of the connecting rod, and the side wall of the second rectangular hole is in sliding connection with the outer side of the corresponding fixing rod.

Preferably, the top end of the shaft cylinder body is fixedly provided with a second sealing ring, and the top of the second sealing ring is movably contacted with the bottom end of the wellhead cylinder body.

Preferably, the bottom of the left side of the mounting plate is provided with an inclined surface, and the inclined surface is matched with the corresponding ball.

Compared with the prior art, the beneficial effects of the utility model are that:

through the matching of the well mouth protecting device, the well mouth cylinder body, the well bore cylinder body, the well mouth fixing device, the fixing ring, the fixing block, the L-shaped positioning rod, the mounting plate, the first rectangular groove, the moving rod, the vertical rod, the trapezoidal hole, the clamping column, the first through hole, the connecting rod and the spring with the push rod, when the well bore cylinder body and the well mouth cylinder body need to be taken down for cleaning, one push rod positioned below is pushed leftwards to drive the corresponding moving rod to move leftwards and compress the spring, the moving rod drives the corresponding clamping column to move out of one trapezoidal hole clamped with the clamping column through the corresponding vertical rod, then the fixing ring positioned below is moved downwards to drive the well bore cylinder body to be separated downwards from the well mouth fixing device, namely the well bore cylinder body can be taken down for cleaning, meanwhile, one push rod positioned above is pushed leftwards, and the fixing ring positioned above is moved downwards to take, when the wellhead cylinder and the shaft cylinder are required to be installed and fixed, a second rectangular groove on a fixed block above the wellhead cylinder is aligned with a corresponding L-shaped positioning rod, the fixing ring is pushed upwards to drive the wellhead cylinder and a first sealing ring to move upwards and extrude the bottom of a wellhead protection device, so that the first sealing ring is deformed, the fixing ring moves upwards and simultaneously drives balls to extrude an inclined plane on the installation plate through a corresponding moving rod, a cross rod and a clamping column, the clamping column is driven to move leftwards by the corresponding balls, the clamping column drives the moving rod to move leftwards by the corresponding vertical rod and compresses a spring, when the balls are aligned with a trapezoidal hole, the elastic force of the spring drives the clamping column to move into an aligned trapezoidal hole through the corresponding moving rod and the vertical rod, so that the wellhead cylinder is fixed, and a fixing ring below the fixing ring is pushed upwards in the same manner, the shaft cylinder body can be fixed at the bottom of the wellhead fixing device in a sealing manner.

The utility model relates to a rationally, convenient operation is convenient for carry out seal installation and take off the clearance to pit shaft barrel and well head barrel fast, improves installation and dismantlement worker efficiency, and the setting in a plurality of trapezoidal holes, is convenient for change the compression degree of first sealing washer, reaches and adjusts its leakproofness size, improves the leakproofness of installation, is favorable to the use.

Drawings

Fig. 1 is a schematic cross-sectional structural view of a wellhead device of a multifunctional groundwater monitoring well provided by the utility model;

fig. 2 is an enlarged schematic view of a portion a in fig. 1.

In the figure: 1 well head protection device, 2 well head barrels, 3 pit shaft barrels, 4 well head fixing devices, 5 fixed rings, 6 fixed blocks, 7L-shaped positioning rods, 8 mounting plates, 9 first rectangular grooves, 10 moving rods, 11 vertical rods, 12 trapezoidal holes, 13 clamping columns, 14 first through holes, 15 connecting rods, 16 springs and 17 push rods.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a multifunctional underground water monitoring well head device comprises a monitoring well head device body, the monitoring well head device body comprises a box body, a well head protection device 1 fixedly installed on the front side of the box body and a well head fixing device 4 positioned below the box body, the bottom of the well head protection device 1 and the bottom of the well head fixing device 4 are in movable contact with a fixing ring 5 in a sealing manner, a well head cylinder 2 is fixedly sleeved in one fixing ring 5 positioned above the two fixing rings 5, a well shaft cylinder 3 is fixedly sleeved in one fixing ring 5 positioned below the fixing ring, the well head fixing device 4 is fixedly sleeved on the well head cylinder 2, L-shaped positioning rods 7 are fixedly installed on the left top of the well head protection device 1 and the left top of the well head fixing device 4, a fixing block 6 is fixedly installed on the left side of the fixing ring 5, the fixing block, the right side of the wellhead protection device 1 and the right side of the wellhead fixing device 4 are both fixedly provided with a mounting plate 8, the bottom of the left side of the mounting plate 8 is in movable contact with the right side of the corresponding fixing ring 5, the right side of the fixing ring 5 is provided with a first rectangular groove 9, a moving rod 10 is arranged in the first rectangular groove 9, the right end of the moving rod 10 is fixedly provided with a vertical rod 11, the vertical rod 11 is slidably sleeved in the corresponding first rectangular groove 9, the right side of the vertical rod 11 is fixedly provided with a clamping column 13, the bottom of the left side of the mounting plate 8 is provided with a plurality of trapezoidal holes 12, the inner wall of the top of each trapezoidal hole 12 is an inclined plane, the bottom of each trapezoidal hole 12 is a horizontal plane, the right end of each clamping column 13 extends into one trapezoidal hole 12 of the corresponding trapezoidal holes 12 and is embedded with a ball, the ball is matched with the inclined plane of the corresponding trapezoidal hole 12, the top of the moving, the utility model relates to a rationally, convenient operation, it is convenient to carry out the seal installation and take down the clearance fast to pit shaft barrel 3 and well head barrel 2, improve the installation and dismantlement efficiency, and the setting of a plurality of trapezoidal holes 12, be convenient for change the compression degree of first sealing washer, reach and adjust its leakproofness size, improve the leakproofness of installation, is beneficial to use.

In the utility model, the top of the fixed ring 5 is bonded and fixed with a first sealing ring, the top of one first sealing ring positioned above the two first sealing rings is movably contacted with the bottom of the wellhead protection device 1, the top of the other first sealing ring is movably contacted with the bottom of the wellhead fixing device 4, both sides of the top of the wellhead fixing device 4 are fixedly provided with an elastic block, the top of the elastic block is movably contacted with the bottom of the box body, the top of the fixed block 6 is provided with a second rectangular groove, the inner wall of the second rectangular groove is in sliding connection with the outer side of the corresponding L-shaped positioning rod 7, the inner wall of the bottom of the first rectangular groove 9 is provided with a first rectangular hole, the inner wall of the front side and the inner wall of the rear side of the first rectangular hole are respectively in movable contact with the front side and the rear side of the corresponding push rod 17, one side of the connecting rod 15 is provided with a second rectangular hole, the side wall of, the top fixed mounting of pit shaft barrel 3 has the second sealing washer, the top of second sealing washer and the bottom swing joint of well head barrel 2, establish to the inclined plane bottom the left side of mounting panel 8, inclined plane and the ball looks adaptation that corresponds, the utility model relates to a rationally, convenient operation is convenient for carry out seal installation and take off the clearance to pit shaft barrel 3 and well head barrel 2 fast, improves installation and dismantlement efficiency, and the setting of a plurality of trapezoidal holes 12, is convenient for change the compression degree of first sealing washer, reaches and adjusts its leakproofness size, improves the leakproofness of installation, is favorable to using.

The working principle is as follows: when the shaft barrel 3 and the wellhead barrel 2 need to be taken down for cleaning, a push rod 17 positioned below is pushed leftwards, the push rod 17 drives a corresponding moving rod 10 to move leftwards, the moving rod 10 drives a corresponding fixed rod to move, the moving rod 10 compresses a corresponding spring 16 while moving, the moving rod 10 drives a corresponding vertical rod 11 to move, the vertical rod 11 drives a corresponding clamping column 13 to move out of a trapezoidal hole 12 clamped with the vertical rod 11 while moving, so that the fixing of the corresponding fixing ring 5 is released, then the fixing ring 5 positioned below is moved downwards, the fixing ring 5 drives the shaft barrel 3 to move downwards and separate from a wellhead fixing device 4, the shaft barrel 3 can be taken down for cleaning, meanwhile, the push rod 17 positioned above is pushed leftwards, and the fixing ring 5 positioned above is moved downwards, so that the wellhead barrel 2 can be taken down, the wellhead cylinder 2 moves and simultaneously drives the wellhead fixing device 4 to move downwards to be separated from the box body, and the wellhead cylinder 2 can be taken down to be cleaned;

when the wellhead cylinder 2 and the shaft cylinder 3 need to be installed and fixed, a second rectangular groove on a fixing block 6 positioned above is aligned with a corresponding L-shaped positioning rod 7, a fixing ring 5 is pushed upwards, the fixing ring 5 drives the wellhead cylinder 2 to move upwards, the fixing ring 5 drives a corresponding first sealing ring to move upwards and extrude the bottom of the wellhead protection device 1, the first sealing ring is deformed by extrusion force, meanwhile, the fixing ring 5 moves upwards and simultaneously drives a clamping column 13 to move through a corresponding moving rod 10 and a cross rod 11, the clamping column 13 drives a corresponding ball to move and extrudes an inclined plane on a mounting plate 8, the extruding force drives the clamping column 13 to move leftwards through the corresponding ball, the clamping column 13 drives a corresponding vertical rod 11 to move leftwards, the vertical rod 11 drives a corresponding moving rod 10 to move leftwards and compress a spring 16, when the ball is aligned with one trapezoidal hole 12 of a plurality of trapezoidal holes 12, at the moment, the spring 16 in a pressed state is reset, the elastic force of the spring 16 drives the clamping column 13 to move into the aligned trapezoidal hole 12 through the corresponding moving rod 10 and the vertical rod 11, the clamping column 13 drives the corresponding ball to move into the trapezoidal hole 12, the trapezoidal hole 12 is clamped with the corresponding clamping column 13, the wellhead cylinder 2 is further fixed, and the shaft cylinder 3 can be sealed and fixed at the bottom of the wellhead fixing device 4 by upwards pushing the fixing ring 5 positioned below in the same manner;

the arrangement of the plurality of trapezoidal holes 12 is convenient for adjust the sealing performance of the first sealing ring according to actual needs, so that the phenomenon that the first sealing ring is used for a long time and the sealing effect is not ideal is avoided.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A multifunctional wellhead device of an underground water monitoring well comprises a wellhead device body of the monitoring well, wherein the wellhead device body of the monitoring well comprises a box body, a wellhead protection device (1) fixedly installed on the front side of the box body and a wellhead fixing device (4) positioned below the box body, and is characterized in that the bottom of the wellhead protection device (1) and the bottom of the wellhead fixing device (4) are in sealing movable contact with fixing rings (5), a wellhead cylinder (2) is fixedly sleeved in one fixing ring (5) positioned above the two fixing rings (5), a shaft cylinder (3) is fixedly sleeved in one fixing ring (5) positioned below the two fixing rings, the wellhead fixing device (4) is fixedly sleeved on the wellhead cylinder (2), L-shaped positioning rods (7) are fixedly installed on the top of the left side of the wellhead protection device (1) and the top of the left side of the wellhead fixing device (4), the left side of a fixing ring (5) is fixedly provided with a fixing block (6), the fixing block (6) is movably sleeved on a corresponding L-shaped positioning rod (7), the right side of a wellhead protection device (1) and the right side of a wellhead fixing device (4) are both fixedly provided with a mounting plate (8), the left bottom of the mounting plate (8) is movably contacted with the right side of the corresponding fixing ring (5), the right side of the fixing ring (5) is provided with a first rectangular groove (9), a moving rod (10) is arranged in the first rectangular groove (9), the right end of the moving rod (10) is fixedly provided with a vertical rod (11), the vertical rod (11) is slidably sleeved in the corresponding first rectangular groove (9), the right side of the vertical rod (11) is fixedly provided with a clamping column (13), the left bottom of the mounting plate (8) is provided with a plurality of trapezoidal holes (12), the top inner wall of each trapezoidal hole (12) is an inclined, the right end of the clamping column (13) extends to one trapezoidal hole (12) of the corresponding trapezoidal holes (12) and is embedded with a ball, the ball is matched with the inclined plane of the corresponding trapezoidal hole (12), the top of the moving rod (10) is provided with a first through hole (14), a same fixed rod is fixedly arranged between the inner walls of the two sides of the first through hole (14), a same connecting rod (15) is fixedly arranged between the inner wall of the top and the inner wall of the bottom of the first rectangular groove (9), the connecting rod (15) is positioned in the corresponding first through hole (14), the connecting rod (15) is sleeved on the corresponding fixed rod in a sliding manner, a same spring (16) is fixedly arranged between the right side of the connecting rod (15) and the inner wall of the right side of the corresponding first through hole (14), the spring (16) is movably sleeved on the corresponding fixed rod, and a push rod (17) is fixedly arranged on one side of the bottom of, the bottom end of the push rod (17) extends to the lower part of the corresponding fixed ring (5).

2. A multifunctional wellhead device for a groundwater monitoring well according to claim 1, characterized in that the top of the fixing ring (5) is fixedly bonded with a first sealing ring, the top of the first sealing ring above the first sealing ring is movably contacted with the bottom of the wellhead protection device (1), and the top of the other first sealing ring is movably contacted with the bottom of the wellhead fixing device (4).

3. A multifunctional wellhead device for a groundwater monitoring well according to claim 1, characterized in that elastic blocks are fixedly arranged on both sides of the top of the wellhead fixing device (4), and the top of the elastic blocks is in movable contact with the bottom of the box body.

4. The wellhead device for the multifunctional underground water monitoring well according to claim 1, characterized in that a second rectangular groove is formed in the top of the fixing block (6), and the inner wall of the second rectangular groove is in sliding connection with the outer side of the corresponding L-shaped positioning rod (7).

5. A multifunctional wellhead device for a groundwater monitoring well according to claim 1, characterized in that a first rectangular hole is formed on the inner wall of the bottom of the first rectangular groove (9), and the inner wall of the front side and the inner wall of the rear side of the first rectangular hole are respectively in movable contact with the front side and the rear side of the corresponding push rod (17).

6. A multifunctional wellhead device for a groundwater monitoring well according to claim 1, characterized in that one side of the connecting rod (15) is provided with a second rectangular hole, and the side wall of the second rectangular hole is slidably connected with the outer side of the corresponding fixing rod.

7. A multifunctional wellhead device for a groundwater monitoring well according to claim 1, characterized in that a second sealing ring is fixedly installed at the top end of the shaft cylinder (3), and the top of the second sealing ring is movably contacted with the bottom end of the wellhead cylinder (2).

8. A multifunctional wellhead device for underground water monitoring well according to claim 1 characterized in that the bottom of the left side of the mounting plate (8) is provided with an inclined surface which is matched with the corresponding ball.