Wellhead safety warning device

Abstract

The utility model provides a wellhead safety warning device which relates to the technical field of wellhead protection and is used for being installed on a walling crib, an annular protruding portion is arranged on the inner circumference of the walling crib, the wellhead safety warning device comprises a supporting frame and a shielding cap, the lower end of the supporting frame is used for being placed on the upper side of the protruding portion, and the upper end of the supporting frame is connected with the shielding cap. The shielding cap can shield the wellhead in the vertical direction; the locking part is connected with the supporting frame, and the locking part can lock the lower end of the supporting frame to the protruding part; the problems that in the prior art, alert needs to be set when a well lid is opened to pump out water in a well, operation is tedious, the protection effect is limited, and the alert needs to be set frequently and the well lid is opened and closed frequently in the flood season are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of wellhead protection, and more specifically, relates to a wellhead safety warning device. Background Art

[0002] For cable wells or sewage wells that require pumping water out through the wellhead, the well cover must be opened, a pump lowered into the well, and the water pumped out through a pipeline. This requires setting up guards around the wellhead when the cover is opened and then replacing the cover after the water is pumped out. This is not only cumbersome but also provides limited protection. This is especially true during flood season, when heavy rains require frequent pumping out of the well, requiring frequent guarding and opening and closing of the cover, which is very troublesome. Utility Model Content

[0003] The purpose of the utility model is to provide a wellhead safety warning device to address the deficiencies in the prior art, so as to solve the problems in the prior art of needing to set an alarm when opening the well cover to pump out water in the well, which is cumbersome to operate, has limited protective effect, and frequently requires setting an alarm and opening and closing the well cover during the flood season.

[0004] In order to achieve the above-mentioned object, the present invention provides a wellhead safety warning device for installation on a well ring, wherein an annular protrusion is provided on the inner circumference of the well ring, comprising:

[0005] A support frame and a shielding cap, wherein the lower end of the support frame is used to be placed on the upper side of the protrusion, and the upper end of the support frame is connected to the shielding cap, and the shielding cap can vertically shield the wellhead;

[0006] A locking component is connected to the support frame, and the locking component can lock the lower end of the support frame on the protrusion.

[0007] Optionally, the support frame includes a top ring, a support rod and a bottom ring, the top ring is connected to the bottom ring through the support rod, and the bottom ring is used to be placed in the well ring and on the upper side of the protrusion.

[0008] Optionally, the top ring supports the shielding cap, and the shielding cap is detachably connected to the support frame.

[0009] Optionally, the upper end of the support rod is provided with an extension end extending upward from the top ring, the extension end is provided with an external thread, the shielding cap is provided with a through hole, the extension end passes through the through hole and is connected with a fastening nut.

[0010] Optionally, the bottom ring includes an arc portion with a notch and a limiting portion connected to the arc portion, the limiting portion is U-shaped, the limiting portion is arranged on the inner side of the arc portion and the two ends of the limiting portion are connected to the two ends of the arc portion.

[0011] Optionally, the shielding cap is a conical cap with its tip facing upward.

[0012] Optionally, a warning mark is provided on the outer surface of the shielding cap.

[0013] Optionally, a handle is provided on the upper side of the shielding cap.

[0014] Optionally, the locking component includes:

[0015] A first limiting cylinder and a second limiting cylinder are arranged at intervals along the axial direction of the support rod, wherein the first limiting cylinder and the second limiting cylinder are arranged on a side of the support rod close to the interior of the support frame;

[0016] a rotating rod, the rotating rod being movably disposed within the first limiting cylinder and the second limiting cylinder, a locking rod being disposed at the lower end of the rotating rod, an operating rod being disposed at the middle portion of the rotating rod, the locking rod and the operating rod being connected to the rotating rod to form an inverted F-shaped structure, and the rotating rod being disposed between the first limiting cylinder and the second limiting cylinder;

[0017] A spring is sleeved on the outside of the rotating rod, and two ends of the spring are respectively in contact with the first limiting cylinder close to the bottom ring and the rotating rod, and the spring is in a pre-compressed state.

[0018] Optionally, the locking component further includes a safety lock structure, and the safety lock structure includes:

[0019] An installation component, the installation component is arranged between the support rod and the first limiting cylinder and the second limiting cylinder;

[0020] A lock comprising a shell portion, a lock core portion and a lock plate portion, wherein the shell portion is mounted on the mounting component, the lock core portion is arranged within the shell portion and forms an exposed end from one side of the shell portion, the lock plate portion is connected to the lock core portion, and when the lock rod is in a locked state, the operating rod is attached to the surface of the mounting component, and the lock plate can be rotated to the outside of the operating rod.

[0021] The utility model provides a wellhead safety warning device, which has the beneficial effect that: the wellhead safety warning device can support the shielding cap above the wellhead through the support frame sitting on the raised part of the inner circumference of the well ring, thereby shielding the wellhead and playing a protective role. On the one hand, it can prevent rainwater from falling vertically into the well, and on the other hand, it can prevent people and objects from falling. At the same time, the prevention of the support frame and the shielding cap at the wellhead itself can play a certain warning effect. The setting of the locking component can lock the support frame on the well ring so that the wellhead safety warning device can be stably installed at the wellhead for a long time. In this way, during the flood season, the wellhead safety warning device is installed at the wellhead, which not only can play a safety protection and warning effect, but also does not require frequent setting of alarms and switching of the manhole cover, and is also convenient for observing the water accumulation at the bottom of the well and the operation of the pump.

[0022] Other features and advantages of the present invention will be described in detail in the subsequent detailed description of the embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The above and other objects, features and advantages of the present invention will become more apparent through a more detailed description of exemplary embodiments of the present invention in conjunction with the accompanying drawings, wherein the same reference numerals generally represent the same components in the exemplary embodiments of the present invention.

[0024] Figure 1 The figure shows a schematic diagram of the main structure of a wellhead safety warning device according to an embodiment of the present utility model.

[0025] Figure 2 The figure shows a schematic top view of a wellhead safety warning device according to an embodiment of the present utility model.

[0026] Figure 3 A structural schematic diagram showing a locking state of a locking component of a wellhead safety warning device according to an embodiment of the present utility model is shown.

[0027] Description of reference numerals:

[0028] 1. Shielding cap; 2. Top ring; 3. Support rod; 4. Bottom ring; 5. Extension end; 6. Fastening nut; 7. Limiting part; 8. Handle; 9. First limiting cylinder; 10. Second limiting cylinder; 11. Rotating rod; 12. Locking rod; 13. Operating rod; 14. Spring; 15. Mounting component; 16. Lock; 17. Lock plate; 18. Protective rod; 19. Clamping plate; 20. U-shaped rod. DETAILED DESCRIPTION

[0029] The following describes preferred embodiments of the present invention in greater detail. Although preferred embodiments of the present invention are described below, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments described herein. Rather, these embodiments are provided to make the present invention more thorough and complete, and to fully convey the scope of the present invention to those skilled in the art.

[0030] like Figures 1 to 3 As shown, the utility model provides a wellhead safety warning device for installation on a well ring, wherein an annular protrusion is provided on the inner periphery of the well ring, comprising:

[0031] The support frame and the shielding cap 1, the lower end of the support frame is used to be placed on the upper side of the raised portion, and the upper end of the support frame is connected to the shielding cap 1, which can vertically shield the wellhead;

[0032] The locking component is connected to the support frame, and the locking component can lock the lower end of the support frame on the protrusion.

[0033] Specifically, in order to solve the problem that in the prior art, it is necessary to set an alarm when opening the manhole cover to pump out the water in the well, the operation is cumbersome, the protection effect is limited, and there is a problem that the alarm is frequently set and the manhole cover is opened and closed during the flood season; the wellhead safety warning device provided by the utility model can be located on the raised portion of the inner circumference of the well ring through the support frame, and the shielding cap 1 is supported above the wellhead to achieve shielding of the wellhead and play a protective role. On the one hand, it can prevent rainwater from falling vertically into the well, and on the other hand, it can prevent people and objects from falling. At the same time, the prevention of the support frame and the shielding cap 1 at the wellhead itself can play a certain warning effect. The setting of the locking component can lock the support frame on the well ring so that the wellhead safety warning device can be stably installed at the wellhead for a long time. In this way, during the flood season, the wellhead safety warning device is installed at the wellhead, which not only can play a safety protection and warning effect, but also does not need to frequently set an alarm and open and close the manhole cover, and is also convenient for observing the water accumulation at the bottom of the well and the operation of the pump.

[0034] Optionally, the support frame includes a top ring 2, a support rod 3 and a bottom ring 4, the top ring 2 is connected to the bottom ring 4 through the support rod 3, and the bottom ring 4 is used to be placed in the well ring and on the upper side of the protrusion.

[0035] Specifically, the top ring 2 and the bottom ring 4 are connected to the shielding cap 1 and the well ring respectively, so that the shielding cap 1 covers the top of the wellhead.

[0036] In this embodiment, the outer circumference of the shielding cap 1 is larger than the wellhead size.

[0037] In this embodiment, three support rods 3 are provided, and the three support rods 3 are evenly distributed along the circumference of the top ring 2 .

[0038] In this embodiment, six protection rods 18 are also included. The upper and lower ends of the protection rods 18 are respectively connected to the top ring 2 and the bottom ring 4. Two protection rods 18 are evenly distributed between two adjacent support rods 3 to prevent people from accidentally falling and causing personal injury.

[0039] Optionally, the top ring 2 supports the shielding cap 1 , and the shielding cap 1 is detachably connected to the support frame.

[0040] Specifically, the shielding cap 1 is detachably connected to the support frame, which is convenient for assembly and disassembly, and for separate movement and transportation.

[0041] Optionally, the upper end of the support rod 3 is provided with an extension end 5 extending upward from the top ring 2, the extension end 5 is provided with an external thread, the shielding cap 1 is provided with a through hole, the extension end 5 passes through the through hole and is connected with a fastening nut 6.

[0042] Specifically, the shielding cap 1 is buckled on the upper side of the top ring 2, and the extending end 5 passes through the through hole and is fastened to the support frame by the fastening nut 6, which is convenient for disassembly and assembly.

[0043] Optionally, the bottom ring 4 includes an arc portion with a notch and a limiting portion 7 connected to the arc portion, the limiting portion 7 is U-shaped, the limiting portion 7 is arranged on the inner side of the arc portion and the two ends of the limiting portion 7 are connected to the two ends of the arc portion.

[0044] Specifically, the setting of the notch and the limiting portion 7 can, on the one hand, limit the pipeline connected to the pump in the well, so that its operation is stable. More importantly, on the other hand, the setting of the notch and the limiting portion 7 can not only maintain sufficient structural strength and stability of the bottom ring 4, but also form an avoidance space in the notch and the limiting portion 7, so that the wellhead safety warning device can be directly installed at the wellhead when the pump and pipeline have been placed in the well and there is a pipeline at the wellhead, which is easy to operate.

[0045] In this embodiment, the open end of the limiting portion 7 is connected to the notch of the bottom ring 4, and the closed end of the limiting portion 7 is provided with a pipe clamp, which includes a clamping plate 19. A pair of long waist holes are opened on the clamping plate 19, and threaded portions are provided at both ends of the U-shaped rod 20. The two ends of the U-shaped rod can pass through the long waist holes and are fastened by nuts. The space enclosed by the U-shaped rod 20 and the clamping plate 19 can be used to further position the pipeline to prevent the pipeline from falling or causing poor water flow or pipeline swinging due to gravity, vibration and other reasons when filling water after starting the pump. According to the different diameters of the pipelines, U-shaped rods 20 of different sizes can be used or the degree of fastening of the nuts to the U-shaped rod 20 can be adjusted.

[0046] Optionally, the shielding cap 1 is a conical cap with its tip facing upward.

[0047] Specifically, the conical cap body with the tip facing upward has a diversion function and can effectively guide the water flow to be discharged outside the wellhead.

[0048] Optionally, a warning mark is provided on the outer surface of the shielding cap 1 .

[0049] Specifically, the warning sign may be a striped pattern or a warning slogan with different warning colors arranged at intervals.

[0050] Optionally, a handle 8 is provided on the upper side of the shielding cap 1 .

[0051] Specifically, the provision of the handle 8 can facilitate the transportation of the shielding cap 1 and the wellhead safety warning device as a whole.

[0052] Optionally, the locking component includes:

[0053] A first limiting cylinder 9 and a second limiting cylinder 10 are arranged at intervals along the axial direction of the support rod 3. The first limiting cylinder 9 and the second limiting cylinder 10 are arranged on a side of the support rod 3 close to the inside of the support frame;

[0054] A rotating rod 11 is movably disposed in the first limiting cylinder 9 and the second limiting cylinder 10. A locking rod 12 is disposed at the lower end of the rotating rod 11, and an operating rod 13 is disposed in the middle of the rotating rod 11. The locking rod 12 and the operating rod 13 are connected to the rotating rod 11 to form an inverted F-shaped structure. The rotating rod 11 is disposed between the first limiting cylinder 9 and the second limiting cylinder 10.

[0055] The spring 14 is sleeved on the outside of the rotating rod 11. The two ends of the spring 14 are respectively in contact with the first limiting cylinder 9 close to the bottom ring 4 and the rotating rod 11. The spring 14 is in a pre-compressed state.

[0056] Specifically, under the action of the spring 14, the rotating rod 11 has a tendency to move upward and can rotate. In the unlocked state, the locking rod 12 faces the inside of the support frame, which does not affect the bottom ring 4 being placed in the well ring and placed on the upper side of the protrusion. When locking is required, the operating rod 13 is pressed downward to compress the spring 14, so that the locking rod 12 moves to the bottom of the protrusion, and then the operating rod 13 is pulled to drive the rotating rod 11 and the locking rod 12 to rotate, so that the locking rod 12 rotates to the lower side of the protrusion, and then the operating rod 13 is released. Under the elastic force of the spring 14, the locking rod 12 clamps the protrusion, thereby achieving a locking effect.

[0057] Optionally, the locking component further includes a safety lock structure, which includes:

[0058] An installation component 15, which is arranged between the support rod 3 and the first limiting cylinder 9 and the second limiting cylinder 10;

[0059] Lock 16, lock 16 includes an outer shell portion, a lock core portion and a lock plate portion 17. The outer shell portion is installed on the mounting component 15, the lock core portion is arranged in the outer shell portion and forms an exposed end from one side of the outer shell portion, the lock plate portion 17 is connected to the lock core portion, and when the lock rod 12 is in a locked state, the operating rod 13 is attached to the surface of the mounting component 15, and the lock plate portion 17 can be rotated to the outside of the operating rod 13.

[0060] Specifically, in order to prevent the operating rod 13 from being pulled in the locked state due to misoperation or other unexpected situations, a safety lock structure is also provided. The safety lock structure installs the lock 16 on the mounting component 15 between the support rod 3 and the first limiting cylinder 9 and the second limiting cylinder 10. The lock 16 can be installed on one side of the mounting component 15 through the mounting bracket. The key can be inserted to operate the lock 16, and the lock plate portion 17 is driven to rotate by the lock core portion. When the locking component is in the locked state, the operating rod 13 is attached to the side of the mounting component 15, and the lock plate portion 17 is on the outside of the operating rod 13. By operating the lock plate portion 17 with the key, the lock plate portion 17 can be used to lock the operating rod 13, so that the operating rod 13 cannot move back, thereby preventing the locking component from being accidentally unlocked.

[0061] In this embodiment, the mounting component 15 is a cylindrical structure, and the first limiting cylinder 9 and the second limiting cylinder 10 are connected to the support rod 3 by being fixedly connected to the mounting component 15 .

[0062] While various embodiments of the present invention have been described above, the above description is intended to be illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments.

Claims

1. A wellhead safety warning device, for installation on a wellhead ring, wherein the inner circumference of the wellhead ring is provided with an annular protrusion, characterized in that: include: A support frame and a shielding cap, wherein the lower end of the support frame is used to be placed on the upper side of the protrusion, and the upper end of the support frame is connected to the shielding cap, and the shielding cap can vertically shield the wellhead; A locking component is connected to the support frame, and the locking component can lock the lower end of the support frame on the protrusion.

2. The wellhead safety warning device according to claim 1, characterized in that: The support frame includes a top ring, a support rod and a bottom ring. The top ring is connected to the bottom ring through the support rod. The bottom ring is used to be placed in the well ring and on the upper side of the protrusion.

3. The wellhead safety warning device according to claim 2, characterized in that: The top ring supports the shielding cap, and the shielding cap is detachably connected to the supporting frame.

4. The wellhead safety warning device according to claim 3, characterized in that: The upper end of the support rod is provided with an extension end extending upward from the top ring, the extension end is provided with an external thread, the shielding cap is provided with a through hole, the extension end passes through the through hole and is connected with a fastening nut.

5. The wellhead safety warning device according to claim 2, characterized in that: The bottom ring includes an arc portion with a notch and a limiting portion connected to the arc portion, the limiting portion is U-shaped, the limiting portion is arranged on the inner side of the arc portion and two ends of the limiting portion are connected to two ends of the arc portion.

6. The wellhead safety warning device according to claim 1, characterized in that: The shielding cap is a conical cap, and the tip of the cap is arranged upward.

7. The wellhead safety warning device according to claim 1, characterized in that: The outer surface of the shielding cap is provided with a warning mark.

8. The wellhead safety warning device according to claim 1, characterized in that: A handle is provided on the upper side of the shielding cap.

9. The wellhead safety warning device according to claim 2, characterized in that: The locking component comprises: A first limiting cylinder and a second limiting cylinder are arranged at intervals along the axial direction of the support rod, wherein the first limiting cylinder and the second limiting cylinder are arranged on a side of the support rod close to the interior of the support frame; a rotating rod, the rotating rod being movably disposed within the first limiting cylinder and the second limiting cylinder, a locking rod being disposed at the lower end of the rotating rod, an operating rod being disposed at the middle portion of the rotating rod, the locking rod and the operating rod being connected to the rotating rod to form an inverted F-shaped structure, and the rotating rod being disposed between the first limiting cylinder and the second limiting cylinder; A spring is sleeved on the outside of the rotating rod, and two ends of the spring are respectively in contact with the first limiting cylinder close to the bottom ring and the rotating rod, and the spring is in a pre-compressed state.

10. The wellhead safety warning device according to claim 9, characterized in that: The locking component further includes a safety lock structure, which includes: An installation component, the installation component is arranged between the support rod and the first limiting cylinder and the second limiting cylinder; A lock comprising a shell portion, a lock core portion and a lock plate portion, wherein the shell portion is mounted on the mounting component, the lock core portion is arranged within the shell portion and forms an exposed end from one side of the shell portion, the lock plate portion is connected to the lock core portion, and when the lock rod is in a locked state, the operating rod is attached to the surface of the mounting component, and the lock plate can be rotated to the outside of the operating rod.

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