CN215671571U

CN215671571U - High-safety drilling overhead tank

Info

Publication number: CN215671571U
Application number: CN202121943559.XU
Authority: CN
Inventors: 蔡应征; 李光浩; 葛克信
Original assignee: Shengli Oil Field Haowei Co ltd
Current assignee: Shengli Oil Field Haowei Co ltd
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2022-01-28
Anticipated expiration: 2031-08-18

Abstract

The utility model provides a high-safety drilling overhead tank, which comprises a tank body, wherein the tank body is provided with an oil metering hole, and a pipe neck is arranged at the oil metering hole; the top of the tube neck is provided with a hole cover in a matching way, one end of the hole cover is connected with a lug, the outer wall of the tube neck is connected with a hinge seat, and the lug is hinged with the hinge seat; a through stepped hole is formed in the center of the hole cover, a rotating shaft is rotatably connected in the stepped hole, the top of the rotating shaft is connected with a sleeve, and a key hole is formed in the top of the sleeve; the bottom of the hole cover is rotatably connected with a double-rotation-direction lead screw, the double-rotation-direction lead screw is connected with a lead screw nut in a matching way, and the top of the lead screw nut is connected with the hole cover in a sliding way; the bottom of the screw nut is connected with a lock tongue, the top of the tube neck is connected with an annular boss, and the lock tongue is arranged below the annular boss; the double-rotation-direction screw rod is provided with a driven bevel gear, and the bottom of the rotating shaft is provided with a driving bevel gear meshed with the driven bevel gear. The anti-theft door has the advantages of simple structure, ingenious design, effective anti-theft function and high safety.

Description

High-safety drilling overhead tank

Technical Field

The utility model belongs to the technical field of petroleum drilling, and particularly relates to a drilling overhead tank with high safety.

Background

The overhead tank is often used in the production of oil field edge wells and low-yield liquid wells, and can effectively reduce back pressure, so that the influence of the over-high back pressure on the yield of the edge well can be avoided, the production efficiency of the oil well is improved by the back pressure close to zero, and the overhead tank is a common crude oil storage device in the oil field production. The risk of oil stealing of the overhead tank mainly comprises two point sources, an oil discharge port and an oil metering hole. The oil discharge port is generally provided with an anti-theft valve or other anti-theft locks, so that the risk of theft is basically avoided. The oil measuring hole is a lower ruler hole for measuring the height of an oil product in the storage tank, the oil measuring operation is frequently performed by tapping, most of overhead tank oil measuring holes are not provided with anti-theft facilities, some of the overhead tank oil measuring holes are also simple common locks, the overhead tank oil measuring holes are extremely easy to damage, and some lawless persons often use the oil at night or nobody to steal the crude oil, so that the crude oil is lost for the country, serious pollution is caused to the periphery due to leakage, and huge loss is caused for the country and enterprises.

In view of the problems of the prior art, the present inventors have combined years of design and usage experience in the related manufacturing field to provide a highly safe drilling overhead tank to overcome the above-mentioned drawbacks.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems existing in the prior art, a drilling overhead tank with high safety is provided.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

the technical scheme provides a high-safety drilling overhead tank which comprises a tank body, wherein the tank body is provided with an oil measuring hole, a pipe neck is arranged at the oil measuring hole, and the pipe neck is welded with the tank body; a hole cover is arranged at the top of the tube neck in a matched mode, one end of the hole cover is connected with a lug, the outer wall of the tube neck is connected with a hinge seat, and the lug is hinged with the hinge seat; a through stepped hole is formed in the center of the hole cover, a rotating shaft is rotatably connected in the stepped hole, the top of the rotating shaft is connected with a sleeve, and a key hole is formed in the top of the sleeve; the bottom of the hole cover is rotatably connected with a double-rotation-direction lead screw, the double-rotation-direction lead screw is connected with a lead screw nut in a matching way, and the top of the lead screw nut is connected with the hole cover in a sliding way; the bottom of the screw nut is connected with a lock tongue, the top of the tube neck is connected with an annular boss, and the lock tongue is arranged below the annular boss and clamped with the annular boss; and a driven bevel gear is arranged on the double-rotation-direction screw rod, and a driving bevel gear meshed with the driven bevel gear is arranged at the bottom of the rotating shaft.

The handhole door has seted up the guide way, lead screw nut top is connected with the slider, the slider with guide way sliding connection.

The bottom of handhole door is connected with two supporting seats that the interval set up, bispin is to the lead screw with the supporting seat relative rotation is connected.

And a bearing is assembled in the stepped hole, and the rotating shaft is connected with an inner ring of the bearing.

The key hole is regular triangle or regular pentagon.

The top surface of the hole cover is connected with a fixed seat, a sliding cavity is arranged in the fixed seat, and a top sealing plate is slidably arranged in the sliding cavity; the fixed seat is provided with a central hole, and the central hole is matched with the stepped hole and is correspondingly arranged; the top sealing plate is provided with a first hole, and a spring is connected between the top sealing plate and the inner wall of the fixed seat; the side wall of the fixing seat is provided with a rope penetrating hole, the side wall of the top sealing plate is connected with a pull rope, and one end of the pull rope freely penetrates through the rope penetrating hole and is connected with a pull ring.

Compared with the prior art, the utility model has the following advantages:

1. the device is characterized in that structures such as a pipe neck and a hole cover are arranged on an oil metering hole of a tank body, the hole cover can be freely turned and opened, a double-rotation-direction lead screw is arranged on the hole cover, and a lead screw nut and a lock tongue are arranged on the double-rotation-direction lead screw; in addition, install annular boss at the top of neck, when using, through rotating the bispin to the lead screw, can drive the spring bolt and remove about, and then can realize the joint or the separation of spring bolt and annular boss, when the spring bolt removed annular boss bottom, the handhole door was because spacing unable the opening of spring bolt, and then played the theftproof effect, and the security is high.

2. Due to the fact that the bevel gear mechanism and the sleeve are arranged, the sleeve is provided with the key hole which is in an unconventional regular triangle shape or a regular pentagon shape, and if no professional key matched with the key hole is available, the key hole cannot be inserted into the key hole, the double-rotation-direction screw cannot be driven to rotate through the rotating shaft, the movement of the lock tongue cannot be achieved, the crude oil of the oil metering hole is prevented from being stolen, loss of the country and enterprises is avoided, and the novel oil metering hole is low in production cost, simple and convenient to install and suitable for wide popularization and application.

3. Still dispose fixing base and top shrouding in this device, the top shrouding has first hole, under initial condition, the top shrouding is under the elastic force effect of spring, and first hole is misplaced with the central hole of fixing base, only when pulling top shrouding, makes the spring compression back, and first hole just can be aligned with the central hole, just can make professional key insert in the key hole, and the setting of this structure can further improve the security, makes lawless persons more difficult for finding the key hole, effectively reduces the stolen risk of crude oil.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic diagram of the present invention.

FIG. 2 is an enlarged view of the hole cover and neck structure.

Fig. 3 is a top view of the sleeve structure.

Fig. 4 is a schematic structural diagram of another embodiment of the present invention.

FIG. 5 is a partial enlarged view of the fixing base and the top sealing plate.

Description of reference numerals:

1, a tank body; 2, a tube neck; 3, a hole cover; 4, a lug; 5, a hinged seat; 6, an annular boss; 7, a double-rotation-direction lead screw; 8, supporting a seat; 9 a lead screw nut; 10 a bolt; 11 a slide block; 12 a guide groove; 13 a driven bevel gear; 14 a drive bevel gear; 15 a rotating shaft; 16 a sleeve; 17 a bearing; 18 a stepped bore; 19 a fixed seat; 191 a slide cavity; 192 threading holes; 193 a central aperture; 20 top sealing plate; 201 a first aperture; 21 a spring; 22 pulling a rope; and (23) pulling a ring.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

Example one

As shown in fig. 1-3, the embodiment provides a high-safety drilling overhead tank, which comprises a tank body 1, wherein the tank body 1 is provided with a metering orifice, a pipe neck 2 is arranged at the metering orifice, and the pipe neck 2 is welded with the tank body 1; the top of the pipe neck 2 is provided with a hole cover 3 in a matching way, one end of the hole cover 3 is connected with a lug 4, the outer wall of the pipe neck 2 is connected with a hinge seat 5, the lug 4 is hinged with the hinge seat 5, and the hole cover 3 can be turned over around the hinge point to open and close the hole cover 3; a through stepped hole 18 is formed in the center of the hole cover 3, a rotating shaft 15 is rotatably connected in the stepped hole 18, a sleeve 16 is connected to the top of the rotating shaft 15, and a key hole is formed in the top of the sleeve 16; the specific settings about the rotating shaft 15 are: the stepped hole 18 is provided with a bearing 17, the rotary shaft 15 is connected to an inner ring of the bearing 17, and an outer ring of the bearing 17 is fixed in the stepped hole 18.

The bottom of the hole cover 3 is rotatably connected with a double-rotation-direction lead screw 7, and the double-rotation-direction lead screw 7 is relatively rotatably connected with a supporting seat 8; the specific setting may be: the bottom of the hole cover 3 is connected with two supporting seats 8 which are arranged at intervals, the supporting seats 8 are welded at the bottom of the hole cover 3, and the double-rotation-direction lead screw 7 can rotate freely; the double-rotation-direction lead screw 7 is a lead screw with two sections of different rotation-direction threads, the double-rotation-direction lead screw 7 is connected with a lead screw nut 9 in a matching mode, the top of the lead screw nut 9 is connected with the hole cover 3 in a sliding mode, the hole cover 3 is specifically arranged to be provided with a guide groove 12, the top of the lead screw nut 9 is connected with a sliding block 11, the sliding block 11 is connected with the guide groove 12 in a sliding mode, and the sliding block 11 can move left and right along the guide groove 12.

The bottom of the screw nut 9 is connected with a bolt 10, the top of the pipe neck 2 is connected with an annular boss 6, and the annular boss 6 is welded with the pipe neck 2; the bolt 10 is arranged below the annular boss 6 and clamped with the annular boss 6, the overall shape of the bolt 10 is L-shaped, and the horizontal part of the bolt 10 can be wedge-shaped or simple I-shaped; a driven bevel gear 13 is arranged on the double-rotation-direction lead screw 7, and a driving bevel gear 14 meshed with the driven bevel gear 13 is arranged at the bottom of the rotating shaft 15.

It should be noted that the key hole is regular triangle or regular pentagon, and is unconventional shape, need dispose professional key and just can insert in the key hole, and the common instrument in general market can not match and insert in the key hole, can play the theftproof effect. By arranging the bevel gear mechanism and the sleeve 16, the sleeve 16 is provided with a key hole which is an unconventional regular triangle or regular pentagon, and if no professional key matched with the key hole is available, the key hole cannot be inserted into the key hole, and further the double-rotation-direction lead screw 7 cannot be driven to rotate by rotating the rotating shaft 15, so that the movement of the lock tongue 10 cannot be realized, the crude oil in the oil metering hole is prevented from being stolen, the loss of the country and enterprises is avoided, and the novel oil metering device is low in production cost, simple and convenient to install and suitable for wide popularization and application.

The working principle is as follows:

when the anti-theft cover is used, the hole cover 3 is buckled, a professional key is inserted into a key hole, the sleeve 16 is rotated, the sleeve 16 drives the rotating shaft 15 to rotate together, the two screw nuts 9 move towards the direction away from each other through the transmission of the driving bevel gear 14 and the driven bevel gear 13, the screw nuts 9 drive the lock tongue 10 to move, the lock tongue 10 moves to enter the lower part of the annular boss 6, the lock tongue 10 is clamped with the annular boss 6, and at the moment, the hole cover 3 cannot be turned over and opened due to the limit of the lock tongue 10, so that an effective anti-theft effect can be achieved; when needing to open, only need insert professional key, reverse rotatory sleeve 16 for two spring bolts 10 move to the direction that is close to each other, until spring bolt 10 not with annular boss 6 joint can, then upset handhole door 3, can open.

The device is characterized in that structures such as a pipe neck 2 and a hole cover 3 are arranged on a metering hole of a tank body 1, the hole cover 3 can be freely turned and opened, a double-rotation-direction lead screw 7 is arranged on the hole cover 3, and a lead screw nut 9 and a lock tongue 10 are arranged on the double-rotation-direction lead screw 7; in addition, install annular boss 6 at the top of neck 2, when using, through rotating bispin to lead screw 7, can drive and control about spring bolt 10, and then can realize spring bolt 10 and annular boss 6 joint or separation, when spring bolt 10 removed annular boss 6 bottom, handhole door 3 because spring bolt 10 spacing unable opening, and then played the theftproof effect, the security is high.

Example two

As shown in fig. 4-5, on the basis of the first embodiment, the present embodiment provides a drilling overhead tank with high safety, a fixed seat 19 is connected to the top surface of the manhole cover 3, a sliding cavity 191 is formed inside the fixed seat 19, a top sealing plate 20 is slidably installed in the sliding cavity 191, and the top sealing plate 20 can move left and right; the fixed seat 19 is provided with a central hole 193, and the central hole 193 is matched with and correspondingly arranged with the stepped hole 18; the top sealing plate 20 is provided with a first hole 201, and the first hole 201 and the central hole 193 are larger than the major diameter of the stepped hole 18; a spring 21 is connected between the top sealing plate 20 and the inner wall of the fixed seat 19; the side wall of the fixed seat 19 is provided with a rope threading hole 192, the side wall of the top sealing plate 20 is connected with a pull rope 22, and one end of the pull rope 22 freely penetrates through the rope threading hole 192 and is connected with a pull ring 23.

The provision of the pull ring 23 facilitates the pulling of the pull cord 22 by the operator to enable the movement of the top closure plate 20.

Under initial condition, top shrouding 20 is under spring 21's elasticity effect, and first hole 201 misplaces mutually with fixing base 19's centre bore 193, only when pulling top shrouding 20, makes spring 21 compress the back, and first hole 201 can align with centre bore 193, just can make during professional key inserts the key hole, and the setting of this structure can further improve the security for lawless persons are difficult for more finding the key hole, effectively reduce the stolen risk of crude oil.

While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. A high-safety drilling overhead tank comprises a tank body, wherein the tank body is provided with an oil measuring hole, a pipe neck is arranged at the oil measuring hole, and the pipe neck is welded with the tank body; the pipe neck is characterized in that a hole cover is arranged at the top of the pipe neck in a matched mode, one end of the hole cover is connected with a lug, the outer wall of the pipe neck is connected with a hinge seat, and the lug is hinged with the hinge seat; a through stepped hole is formed in the center of the hole cover, a rotating shaft is rotatably connected in the stepped hole, the top of the rotating shaft is connected with a sleeve, and a key hole is formed in the top of the sleeve; the bottom of the hole cover is rotatably connected with a double-rotation-direction lead screw, the double-rotation-direction lead screw is connected with a lead screw nut in a matching way, and the top of the lead screw nut is connected with the hole cover in a sliding way; the bottom of the screw nut is connected with a lock tongue, the top of the tube neck is connected with an annular boss, and the lock tongue is arranged below the annular boss and clamped with the annular boss; and a driven bevel gear is arranged on the double-rotation-direction screw rod, and a driving bevel gear meshed with the driven bevel gear is arranged at the bottom of the rotating shaft.

2. The overhead well drilling tank with high safety according to claim 1, wherein the hole cover is provided with a guide groove, a slide block is connected to the top of the lead screw nut, and the slide block is slidably connected with the guide groove.

3. A highly safe drilling overhead tank as claimed in claim 1, wherein the bottom of the hole cover is connected to two spaced apart supports, and the double-handed lead screw is rotatably connected to the supports.

4. A highly safe drilling overhead tank as claimed in claim 1, wherein a bearing is fitted into the stepped hole, and the rotation shaft is connected to an inner ring of the bearing.

5. A highly safe drilling overhead tank as claimed in claim 1, wherein the key hole is a regular triangle or a regular pentagon.

6. The drilling overhead tank with high safety according to claim 1, wherein a fixed seat is connected to the top surface of the hole cover, a sliding cavity is formed in the fixed seat, and a top sealing plate is slidably mounted in the sliding cavity; the fixed seat is provided with a central hole, and the central hole is matched with the stepped hole and is correspondingly arranged; the top sealing plate is provided with a first hole, and a spring is connected between the top sealing plate and the inner wall of the fixed seat; the side wall of the fixing seat is provided with a rope penetrating hole, the side wall of the top sealing plate is connected with a pull rope, and one end of the pull rope freely penetrates through the rope penetrating hole and is connected with a pull ring.