CN216588549U

CN216588549U - Screen pipe repairing device for medium-deep geothermal well

Info

Publication number: CN216588549U
Application number: CN202123428064.6U
Authority: CN
Inventors: 魏志海; 李琪; 魏昀昭
Original assignee: Henan Yuanfang Dry Rock Exploration And Development Co ltd
Current assignee: Henan Yuanfang Dry Rock Exploration And Development Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-05-24
Anticipated expiration: 2031-12-31

Abstract

The utility model provides a be used for middle and deep geothermal well screen pipe prosthetic devices. The screen pipe repair device for the medium-deep geothermal well comprises: the device comprises a placing base, wherein a lifting mechanism and a tightening mechanism are arranged on the placing base; elevating system is including lift box, backup pad, screw thread stock, square, circular slot, bevel gear one, dwang and bevel gear two, lift box fixed mounting is at the top of placing the base, backup pad fixed mounting is in the lift box, the screw thread stock rotates and installs in the backup pad, the square sets up the top at the lift box, the bottom of square extend to the lift box in and with lift box sliding connection, the utility model provides a technical problem provide one kind can carry out continuous elasticity operation to the link and make the screen pipe can rotate the suitable angle fast and be used for middle and deep geothermal well screen pipe prosthetic devices when adjusting the screen pipe angle and restoreing the work.

Description

Screen pipe repairing device for medium-deep geothermal well

Technical Field

The utility model belongs to the technical field of the screen pipe is restoreed, especially, relate to a be used for middle and deep geothermal well screen pipe prosthetic devices.

Background

A geothermal well refers to a method and a device for generating electricity by geothermal energy with a well depth of about 3500 meters or hot spring water with a water temperature of more than 30 ℃, geothermal energy is divided into three types of high temperature, medium temperature and low temperature, a sieve tube is needed to primarily filter impurities in geothermal water in the process of producing geothermal water in the geothermal well, although the sieve tube can effectively filter the impurities, after the geothermal well is used for a period of time, meshes of the sieve tube are easy to be blocked, the water passing amount of the sieve tube is reduced, and the production progress of geothermal well resources is influenced, in the prior art, a screen tube repairing device for a medium-deep geothermal well is disclosed, which comprises a frame, a connecting column and a connecting frame, wherein a sucker is fixed at the lower end of the frame, a screw rod is connected inside the sucker, a fixed disc is arranged at the lower end of the screw rod and is positioned inside the sucker, a fixed column is connected inside the frame, and the connecting column is arranged inside the fixed column, the side face of the connecting column is connected with the rack, a bevel gear is fixed at one end of the connecting column, a spring is arranged inside the bottom column, a supporting column is connected at one end of the spring, and a connecting frame is arranged on the outer side of the upper end of the fixing column. This well deep geothermal well screen pipe prosthetic devices, with sucking disc laminating ground, then rotate the screw rod and make fixed disk rebound to reduce the atmospheric pressure in the sucking disc, make external atmospheric pressure fix the device, and make the atmospheric pressure in the sucking disc through rotating the screw rod when dismantling, thereby the contact is fixed the device, is convenient for dismantle the installation to the device.

However, have the weak point among the above-mentioned structure, when carrying out angle modulation to the link, operating personnel need make a round trip the plug with the dead lever and just can fix the link of accomplishing the regulation, waste time and energy.

Therefore, there is a need to provide a new screen repair device for a medium-deep geothermal well to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a can carry out repair work in adjusting the screen pipe angle when, carry out continuous elasticity operation to the link and make the screen pipe can rotate the suitable angle fast be used for deep geothermal well screen pipe prosthetic devices.

In order to solve the technical problem, the screen pipe repairing device for the medium-deep geothermal well provided by the utility model comprises a placing base, wherein a lifting mechanism and a tightening mechanism are arranged on the placing base; the lifting mechanism comprises a lifting box, a supporting plate, a threaded long rod, a square block, a circular groove, a first conical gear, a rotating rod and a second conical gear, the lifting box is fixedly installed at the top of the placing base, the supporting plate is fixedly installed in the lifting box, the threaded long rod is rotatably installed on the supporting plate, the square block is arranged at the top of the lifting box, the bottom of the square block extends into the lifting box and is in sliding connection with the lifting box, the circular groove is formed in the bottom of the square block, the top end of the threaded long rod extends into the circular groove and is in threaded connection with the circular groove, the first conical gear is fixedly installed at the bottom end of the threaded long rod, the rotating rod is rotatably installed on the inner wall of one side of the lifting box, the second conical gear is fixedly installed at one end of the rotating rod, and the second conical gear is meshed with the first conical gear;

the tightening mechanism comprises a clamping block, an adjusting groove, a fixing rod, a cylindrical block, a connecting frame, an arc clamping plate, a bidirectional threaded rod and two tightening plates, the clamping block is fixedly mounted at the top of the square block, the adjusting groove is formed in the top of the clamping block, the fixing rod is fixedly mounted in the adjusting groove, the cylindrical block is rotatably mounted on the fixing rod, the top of the cylindrical block extends out of the adjusting groove, the connecting frame is fixedly mounted at the top of the cylindrical block, the arc clamping plate is hinged to be mounted at the top of the connecting frame, the arc clamping plate is matched with the connecting frame in a matched mode, the bidirectional threaded rod is rotatably mounted in the adjusting groove, the tightening plates are uniformly and threadedly mounted on the bidirectional threaded rod, and the tightening plates are slidably connected with the fixing rod.

As a further scheme of the utility model, the arc recess has been seted up on the link, fixed mounting has the arc fixed plate on the arc cardboard, the bottom of arc fixed plate extend to in the arc recess and with arc recess sliding connection, the slot has been seted up to one side of arc fixed plate, one side fixed mounting of link has the auxiliary box, be provided with the T shape inserted bar in the auxiliary box, the one end of T shape inserted bar extend to in the slot and with slot sliding connection, T shape inserted bar and link and auxiliary box are sliding connection.

As a further aspect of the utility model, the one end fixed mounting of T shape inserted bar has the round bar, the one end of round bar extend to outside the auxiliary box and with auxiliary box sliding connection, the slip cover is equipped with the spring on the round bar, the one end of spring and one side inner wall fixed connection of auxiliary box, the other end of spring and the one end fixed connection of T shape inserted bar.

As a further scheme of the utility model, the top fixed mounting of lift case has spacing support, spacing support and square sliding connection, fixed mounting has two fixture blocks on the square.

As a further scheme of the utility model, the bottom fixed mounting who places the base has four stands, the bottom of placing the base is rotated and is installed the screw thread quarter butt, the long slab is installed to the screw thread quarter butt upper thread, the bottom fixed mounting who places the base has T shape slide bar, T shape slide bar and long slab sliding connection, the bottom fixed mounting of long slab has the floor of inserting.

As a further scheme of the utility model, the one end of dwang extends to outside the lift box, the one end fixed mounting of dwang has and waves handle one, the one end of two-way threaded rod extends to outside the grip block and rotates with the grip block and be connected, the one end fixed mounting of two-way threaded rod has and waves handle two, the top of screw stub is run through and is placed the base, the top fixed mounting of screw stub has and waves handle three.

Compared with the prior art, the utility model provides a be used for middle and deep geothermal well screen pipe prosthetic devices has following beneficial effect:

1. the utility model has the advantages that the lifting mechanism is arranged, the height of the connecting frame can be adjusted by the lifting mechanism to adjust the height of the sieve tube, and the effect of conveniently repairing the sieve tube by adjusting the height of the connecting frame is achieved;

2. the utility model discloses a set up the take-up mechanism, the take-up mechanism makes can carry out the elasticity operation when the link needs to carry out angular adjustment, has the effect that can carry out quick elasticity to the link and make its angle that can the quick adjustment screen pipe.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic front sectional view of a screen pipe repairing device for a middle-deep geothermal well according to the present invention;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

fig. 3 is an enlarged schematic view of a portion B in fig. 1.

In the figure: 1. placing a base; 2. a lifting box; 3. a support plate; 4. a threaded long rod; 5. a square block; 6. a first conical gear; 7. rotating the rod; 8. a second bevel gear; 9. a clamping block; 10. an adjustment groove; 11. fixing the rod; 12. a cylindrical block; 13. a connecting frame; 14. an arc-shaped clamping plate; 15. a bidirectional threaded rod; 16. a tension plate; 17. an arc-shaped groove; 18. an arc-shaped fixing plate; 19. an auxiliary tank; 20. a T-shaped insertion rod; 21. a spring; 22. a limiting bracket; 23. a threaded stub; 24. and (5) inserting the floor.

Detailed Description

Please refer to fig. 1, fig. 2 and fig. 3, wherein fig. 1 is a schematic front sectional view of a screen pipe repairing device for a middle-deep geothermal well according to the present invention; FIG. 2 is an enlarged schematic view of portion A of FIG. 1; fig. 3 is an enlarged schematic view of a portion B in fig. 1. The screen pipe repairing device for the medium-deep geothermal well comprises a placing base 1, wherein a lifting mechanism and a tightening mechanism are arranged on the placing base 1; the lifting mechanism comprises a lifting box 2, a supporting plate 3, a threaded long rod 4, a square block 5, a circular groove, a first conical gear 6, a rotating rod 7 and a second conical gear 8, the lifting box 2 is fixedly arranged at the top of the placing base 1, the supporting plate 3 is fixedly arranged in the lifting box 2, the long threaded rod 4 is rotatably arranged on the support plate 3, the square 5 is arranged at the top of the lifting box 2, the bottom of the square 5 extends into the lifting box 2 and is connected with the lifting box 2 in a sliding way, the circular groove is arranged at the bottom of the square 5, the top end of the long threaded rod 4 extends into the circular groove and is in threaded connection with the circular groove, the first conical gear 6 is fixedly arranged at the bottom end of the long threaded rod 4, the rotating rod 7 is rotatably installed on the inner wall of one side of the lifting box 2, the second bevel gear 8 is fixedly installed at one end of the rotating rod 7, and the second bevel gear 8 is meshed with the first bevel gear 6;

the tightening and loosening mechanism comprises a clamping block 9, an adjusting groove 10, a fixing rod 11, a cylindrical block 12, a connecting frame 13, an arc-shaped clamping plate 14, a two-way threaded rod 15 and two tightening plates 16, wherein the clamping block 9 is fixedly installed at the top of the square block 5, the adjusting groove 10 is formed in the top of the clamping block 9, the fixing rod 11 is fixedly installed in the adjusting groove 10, the cylindrical block 12 is rotatably installed on the fixing rod 11, the top of the cylindrical block 12 extends out of the adjusting groove 10, the connecting frame 13 is fixedly installed at the top of the cylindrical block 12, the arc-shaped clamping plate 14 is hinged and installed at the top of the connecting frame 13, the arc-shaped clamping plate 14 is matched with the connecting frame 13, the two-way threaded rod 15 is rotatably installed in the adjusting groove 10, the two tightening plates 16 are uniformly and threadedly installed on the two-way threaded rod 15, and the tightening plates 16 are slidably connected with the fixing rod 11.

As shown in fig. 3, an arc-shaped groove 17 is formed in the connecting frame 13, an arc-shaped fixing plate 18 is fixedly mounted on the arc-shaped clamping plate 14, the bottom of the arc-shaped fixing plate 18 extends into the arc-shaped groove 17 and is slidably connected with the arc-shaped groove 17, a slot is formed in one side of the arc-shaped fixing plate 18, an auxiliary box 19 is fixedly mounted on one side of the connecting frame 13, a T-shaped inserting rod 20 is arranged in the auxiliary box 19, one end of the T-shaped inserting rod 20 extends into the slot and is slidably connected with the slot, and the T-shaped inserting rod 20 is slidably connected with the connecting frame 13 and the auxiliary box 19;

through the mutual cooperation of arc recess 17, arc fixed plate 18, slot, auxiliary box 19 and T shape inserted bar 20, form and can link together arc cardboard 14 and link 13 firmly through T shape inserted bar 20, avoided arc cardboard 14 can not be together fixed with link 13.

As shown in fig. 3, a round bar is fixedly mounted at one end of the T-shaped insert rod 20, one end of the round bar extends out of the auxiliary box 19 and is slidably connected with the auxiliary box 19, a spring 21 is slidably sleeved on the round bar, one end of the spring 21 is fixedly connected with the inner wall of one side of the auxiliary box 19, and the other end of the spring 21 is fixedly connected with one end of the T-shaped insert rod 20;

through mutual cooperation of round bar and spring 21, the formation can come the pulling T shape inserted bar 20 to remove through the round bar, has avoided T shape inserted bar 20 can 'T remove and lead to arc fixed plate 18 can' T break away from arc recess 17.

As shown in fig. 1, a limiting bracket 22 is fixedly mounted at the top of the lifting box 2, the limiting bracket 22 is slidably connected with a square 5, and two clamping blocks are fixedly mounted on the square 5;

through spacing support 22 and fixture block mutually supporting, it is spacing to square 5 to form to carry on through spacing support 22 and fixture block, has avoided square 5 can take place to rotate or break away from threaded rod 4.

As shown in fig. 1, four upright posts are fixedly installed at the bottom of the placing base 1, a threaded short rod 23 is rotatably installed at the bottom of the placing base 1, a long plate is installed on the threaded short rod 23 in a threaded manner, a T-shaped sliding rod is fixedly installed at the bottom of the placing base 1, the T-shaped sliding rod is connected with the long plate in a sliding manner, and a floor inserting plate 24 is fixedly installed at the bottom of the long plate;

through stand, screw short rod 23, long board, T shape slide bar with insert floor 24 and mutually support, form and can drive through screw short rod 23 and insert floor 24 and go up and down, avoided inserting floor 24 and can 'T go up and down and lead to can' T laminate with ground.

As shown in fig. 1, one end of the rotating rod 7 extends out of the lifting box 2, a first shaking handle is fixedly mounted at one end of the rotating rod 7, one end of the bidirectional threaded rod 15 extends out of the clamping block 9 and is rotatably connected with the clamping block 9, a second shaking handle is fixedly mounted at one end of the bidirectional threaded rod 15, the top end of the short threaded rod 23 penetrates through the placing base 1, and a third shaking handle is fixedly mounted at the top end of the short threaded rod 23;

through waveing handle one, waveing handle two and waveing handle three and mutually supporting, the formation can drive dwang 7, two-way threaded rod 15 and screw short-rod 23 respectively through waveing handle one, waveing handle two and waveing handle three and rotate, has avoided dwang 7, two-way threaded rod 15 and screw short-rod 23 unable rotation to lead to unable normal work.

The utility model provides a theory of operation for well deep geothermal well screen pipe prosthetic devices as follows:

the first step is as follows: when the device is used for repairing the sieve tube in a middle-deep geothermal well, firstly, the placing base 1 is placed at a proper position, an operator manually rotates the third shaking handle, the third shaking handle drives the threaded short rod 23 to rotate, the threaded short rod 23 drives the long plate in threaded connection with the threaded short rod to lift, the long plate drives the floor inserting plate 24 to descend until the floor inserting plate 24 is tightly attached to the ground, and the T-shaped sliding rod can limit the long plate to rotate; when the placement work of the placement base 1 is finished, the height of the connecting frame 13 needs to be adjusted at the moment, so that the connecting frame is consistent with the sieve tube, an operator manually rotates the first shaking handle, the first shaking handle drives the rotating rod 7 to rotate, the rotating rod 7 drives the second conical gear 8 to rotate, the second conical gear 8 drives the first conical gear 6 meshed with the first conical gear to rotate, the first conical gear 6 drives the long threaded rod 4 to rotate, the long threaded rod 4 drives the square 5 to lift, the square 5 is rectangular, the limiting support 22 limits the square 5 to rotate, and the square 5 drives the clamping block 9 to lift until the connecting frame 13 lifts to a proper position;

the second step is as follows: when the sieve tube needs to be repaired, an operator firstly pulls the round rod, the round rod drives the T-shaped inserting rod 20 to move in the direction away from the slot and simultaneously extrudes the spring 21, after the T-shaped inserting rod 20 is separated from the slot, the connecting frame 13 can be opened by rotating the arc clamping plate 14, then the sieve tube is placed on the connecting frame 13, reverse operation enables the arc clamping plate 14 to be attached to the connecting frame 13, the sieve tube is fixed between the connecting frame 13 and the arc clamping plate 14, then the connecting frame 13 is rotated, the angle between the connecting frame 13 and the sieve tube is adjusted, after angle adjustment is completed, the operator manually rotates the shaking handle II, the shaking handle II drives the bidirectional threaded rod 15 to rotate, the bidirectional threaded rod 15 drives the two elastic plates 16 to be close to each other until the elastic plates 16 tightly abut against the cylindrical block 12, so that the cylindrical block 12 and the connecting frame 13 cannot rotate, and the sieve tube is convenient to repair.

It should be noted that the device structure and the accompanying drawings of the present invention mainly describe the principle of the present invention, and in the design principle, the settings of the power mechanism, the power supply system, the control system, etc. of the device are not completely described, and on the premise that the skilled person understands the principle of the present invention, the details of the power mechanism, the power supply system, and the control system can be clearly known, the control mode of the application file is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of the skilled person in the art;

the standard parts used in the method can be purchased from the market, and can be customized according to the description of the specification and the description of the attached drawings, the specific connection mode of each part adopts conventional means such as mature bolts, rivets, welding and the like in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and the structure and the principle of the parts are known by technical manuals or conventional experimental methods for technicians in the field.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments, or a direct or indirect use of these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents, which are to be included within the scope of the invention as defined in the claims.

Claims

1. A screen pipe rehabilitation apparatus for a mid-deep geothermal well, comprising:

the device comprises a placing base, wherein a lifting mechanism and a tightening mechanism are arranged on the placing base;

the lifting mechanism comprises a lifting box, a supporting plate, a threaded long rod, a square block, a circular groove, a first conical gear, a rotating rod and a second conical gear, the lifting box is fixedly installed at the top of the placing base, the supporting plate is fixedly installed in the lifting box, the threaded long rod is rotatably installed on the supporting plate, the square block is arranged at the top of the lifting box, the bottom of the square block extends into the lifting box and is in sliding connection with the lifting box, the circular groove is formed in the bottom of the square block, the top end of the threaded long rod extends into the circular groove and is in threaded connection with the circular groove, the first conical gear is fixedly installed at the bottom end of the threaded long rod, the rotating rod is rotatably installed on the inner wall of one side of the lifting box, the second conical gear is fixedly installed at one end of the rotating rod, and the second conical gear is meshed with the first conical gear;

the tightening mechanism comprises a clamping block, an adjusting groove, a fixing rod, a cylindrical block, a connecting frame, an arc-shaped clamping plate, a two-way threaded rod and two tightening plates, wherein the clamping block is fixedly mounted at the top of a square block, the adjusting groove is formed in the top of the clamping block, the fixing rod is fixedly mounted in the adjusting groove, the cylindrical block is rotatably mounted on the fixing rod, the top of the cylindrical block extends out of the adjusting groove, the connecting frame is fixedly mounted at the top of the cylindrical block, the arc-shaped clamping plate is hinged to be mounted at the top of the connecting frame, the arc-shaped clamping plate is matched with the connecting frame, the two-way threaded rod is rotatably mounted in the adjusting groove, the two tightening plates are in threaded mounting on the two-way threaded rod, and the tightening plates are in sliding connection with the fixing rod.

2. The screen repair apparatus for a mid-deep geothermal well according to claim 1, wherein: the improved multifunctional connecting frame is characterized in that an arc-shaped groove is formed in the connecting frame, an arc-shaped fixed plate is fixedly mounted on the arc-shaped clamping plate, the bottom of the arc-shaped fixed plate extends into the arc-shaped groove and is in sliding connection with the arc-shaped groove, a slot is formed in one side of the arc-shaped fixed plate, an auxiliary box is fixedly mounted on one side of the connecting frame, a T-shaped inserting rod is arranged in the auxiliary box, one end of the T-shaped inserting rod extends into the slot and is in sliding connection with the slot, and the T-shaped inserting rod, the connecting frame and the auxiliary box are in sliding connection.

3. The screen repair apparatus for a mid-deep geothermal well according to claim 2, wherein: the one end fixed mounting of T shape inserted bar has the round bar, the one end of round bar extend to outside the auxiliary box and with auxiliary box sliding connection, the slip cap is equipped with the spring on the round bar, one side inner wall fixed connection of the one end of spring and auxiliary box, the other end of spring and the one end fixed connection of T shape inserted bar.

4. The screen repair apparatus for a mid-deep geothermal well according to claim 1, wherein: the top fixed mounting of lift case has spacing support, spacing support and square sliding connection, fixed mounting has two fixture blocks on the square.

5. The screen repair apparatus for a mid-deep geothermal well according to claim 1, wherein: the bottom fixed mounting who places the base has four stands, the bottom of placing the base is rotated and is installed the screw thread quarter butt, the long slab is installed to the screw thread quarter butt upper thread, the bottom fixed mounting who places the base has T shape slide bar, T shape slide bar and long slab sliding connection, the bottom fixed mounting of long slab has the floor of inserting.

6. The screen repair apparatus for a mid-deep geothermal well according to claim 5, wherein: the one end of dwang extends to outside the cage, the one end fixed mounting of dwang has and waves handle one, the one end of two-way threaded rod extends to outside the grip block and rotates with the grip block to be connected, the one end fixed mounting of two-way threaded rod has and waves handle two, the top of screw stub is run through and is placed the base, the top fixed mounting of screw stub has and waves handle three.