CN117401530B - Blind shaft wellhead maintenance platform - Google Patents
Blind shaft wellhead maintenance platform Download PDFInfo
- Publication number
- CN117401530B CN117401530B CN202311717476.2A CN202311717476A CN117401530B CN 117401530 B CN117401530 B CN 117401530B CN 202311717476 A CN202311717476 A CN 202311717476A CN 117401530 B CN117401530 B CN 117401530B
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- Prior art keywords
- blind shaft
- platform
- plate
- overhaul
- protection
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- 238000012423 maintenance Methods 0.000 title claims abstract description 79
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 14
- 239000010959 steel Substances 0.000 claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0087—Devices facilitating maintenance, repair or inspection tasks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B19/00—Mining-hoist operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0043—Devices enhancing safety during maintenance
- B66B5/005—Safety of maintenance personnel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Types And Forms Of Lifts (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention relates to the technical field of overhaul platforms, and discloses a blind shaft wellhead overhaul platform which comprises a blind shaft body and two first steel beams arranged on the inner wall of the blind shaft body, wherein the top end of any first steel beam is hinged with the blind shaft overhaul platform, and a fixed stay rope is also connected between the blind shaft overhaul platform and the inner wall of the blind shaft body; can carry out the switching of state in this internal blind shaft through blind shaft maintenance platform, when blind shaft maintenance platform expands and is perpendicular with blind shaft body inner wall, the rubber tyer rotator of bottom is overhauld under the cage to the convenience, accomodate and laminate blind shaft body inner wall at blind shaft maintenance platform, can not influence the normal lift of cage and carry, the fixed centre gripping of foot of maintainer through the fixed shoes that set up on the maintenance platform roof, and translate in the orbit that the groove formed returns, can increase the security of maintenance, reduce the risk that maintainer stepped on the sky.
Description
Technical Field
The invention relates to the technical field of overhaul platforms, in particular to a blind shaft wellhead overhaul platform.
Background
Blind shaft bodies refer to vertically downwardly excavated wells for different purposes of work and operation under the ground; the cage is a mine hoisting container, is usually positioned in the blind shaft body, and can realize lifting movement of the cage in the blind shaft body and is used for conveying personnel, ores and the like through cooperation with a winch.
And the rubber tyer rotator is installed to the cage bottom to need periodic maintenance to guarantee the stability that the cage was carried, carry to maximum stroke and be located blind wellhead top on the cage and overhaul the time, the cage can touch the roll-up switch and form the parking, but the cage has only 50cm from the well head of blind shaft body under this moment, has the space narrow and small, leads to the limited problem of maintenance space.
Therefore, it is necessary to provide a blind shaft wellhead maintenance platform to solve the above technical problems.
Disclosure of Invention
The invention aims to provide a blind shaft wellhead maintenance platform, which solves the problems that the bottom of a cage in the prior art is only 50cm away from a wellhead of a blind shaft body, and has a narrow space, so that the maintenance space is limited.
Based on the thought, the invention provides the following technical scheme: the blind shaft wellhead maintenance platform comprises a blind shaft body and two first steel beams arranged on the inner wall of the blind shaft body, wherein the top end of any first steel beam is hinged with the blind shaft maintenance platform, and a fixed stay rope is further connected between the blind shaft maintenance platform and the inner wall of the blind shaft body;
the top end of the blind shaft overhaul platform is provided with an overhaul platform top plate which can be lifted, the top of the overhaul platform top plate is provided with a return groove, and a pair of fixed shoes are slidably arranged in the return groove;
the clamping mechanism is arranged on the fixed shoe and is used for fixing the foot of an maintainer;
the clamping mechanism comprises a pressing piece and a locking piece, wherein the pressing piece comprises a sole base plate, and two symmetrically arranged telescopic springs are fixedly arranged at the bottom of the sole base plate;
the locking piece comprises a supporting piece, the sole base plate is connected inside the supporting piece in a sliding mode, and the telescopic spring is arranged on the lower surface inside the supporting piece;
the supporting piece is positioned on the upper surface of the top plate of the overhaul platform and is connected in the return groove in a sliding way;
the two sides of the supporting piece are respectively provided with a plurality of fixing plates, the fixing plates are rotationally connected with the supporting piece, the section shape of each fixing plate is L-shaped, the position of one end of each fixing plate far away from the supporting piece is horizontal to the surface of the sole pad, and the other end of each fixing plate is positioned at the bottom of the sole pad;
the notch has all been seted up to support piece both sides, the fixed plate is located the notch inside.
As a further scheme of the invention: the blind shaft overhauls platform, the equal sliding connection in maintenance platform roof both sides have two second movable blocks that symmetry set up, and every two second movable blocks that are the diagonal setting one side articulates there is the second diagonal draw bar, and two second diagonal draw bars appear alternately setting, are close to fixed mounting has the second electric putter between two second movable blocks of blind shaft maintenance platform.
As a further scheme of the invention: the center position of the top plate of the overhaul platform is provided with a protection component, the protection component comprises a protection plate used for supporting the waist, and the protection plate can move in a lifting manner.
As a further scheme of the invention: the protection pad is arranged around the protection plate, and the protection pad is made of rubber.
As a further scheme of the invention: the top of the overhaul platform top plate is provided with a groove, the protection plate is positioned in the groove, and the upper surface of the protection plate and the upper surface of the overhaul platform top plate are positioned on the same plane.
As a further scheme of the invention: two groups of symmetrically arranged sliding blocks are arranged at the bottom of the protection plate and are connected to the bottom of the protection plate in a sliding manner;
a sliding groove is formed in the lower surface of the inner part of the top plate of the overhaul platform, two symmetrically arranged first moving blocks are connected in the sliding groove in a sliding manner, each group of sliding blocks is hinged with the first moving blocks through first diagonal draw bars, and every two first diagonal draw bars are arranged in a crossing manner;
and a first electric push rod is fixedly connected between the two first moving blocks.
Compared with the prior art, the invention has the beneficial effects that the state can be switched in the blind shaft body through the blind shaft maintenance platform, when the blind shaft maintenance platform is unfolded and is vertical to the inner wall of the blind shaft body, the maintenance of the rubber wheel rotator at the lower bottom of the cage is convenient, and when the blind shaft maintenance platform is stored and attached to the inner wall of the blind shaft body, the normal lifting and conveying of the cage can not be influenced.
Compared with the prior art, the foot-mounted maintenance platform has the beneficial effects that the foot of a maintenance person is fixedly clamped through the fixing shoes arranged on the top plate of the maintenance platform, and meanwhile, the foot-mounted maintenance platform translates along the track formed by the return grooves, so that the maintenance safety can be improved, the risk of the maintenance person stepping on the foot-mounted maintenance platform is reduced, and meanwhile, the fixing shoes can be quickly put on and taken off, so that the foot-mounted maintenance platform is simple to put on and take off, convenient to operate and time-saving.
Compared with the prior art, the invention has the beneficial effects that the overhauling staff with different heights can be matched through the lifting of the top plate of the overhauling platform, so that the overhauling staff with different heights can be adjusted to a comfortable overhauling height, and the rubber wheel rotator arranged at the lower bottom of the cage is overhauled.
Compared with the prior art, the invention has the beneficial effects that the protection plate is positioned at the waist of different overhauling staff through the arrangement of the protection plate, the overhauling staff can lean on the protection plate by utilizing the waist support of the protection plate to the overhauling staff, so that the overhauling staff is safer and more stable in the moving process, and when the overhauling staff reaches the overhauling position, the overhauling staff for head-bending overhauling can lean on the protection plate, so that the overhauling is more labor-saving and comfortable.
Compared with the prior art, the waist protection device has the beneficial effects that the waist of an maintainer is protected through the arrangement of the protection pad, so that the protection plate is too hard when the maintainer leans against the protection plate, and the comfort of the waist of the maintainer is reduced.
Compared with the prior art, the invention has the beneficial effects that the protection plate can be driven to lift by lifting the top plate of the overhaul platform, so that the protection plate is always positioned at the waist of overhaul personnel with different heights to support the waist of the overhaul personnel.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present invention;
FIG. 3 is a schematic view of the top plate structure of the inspection platform of the present invention;
FIG. 4 is a schematic view of a mounting plate structure of the present invention;
FIG. 5 is a schematic view of the telescopic spring structure of the present invention;
FIG. 6 is a schematic view of the sole plate structure of the present invention;
FIG. 7 is a schematic view of a second diagonal draw bar of the present invention;
FIG. 8 is a schematic view of the structure of the guard plate of the present invention;
FIG. 9 is an enlarged schematic view of the structure of FIG. 8B in accordance with the present invention;
fig. 10 is a schematic view of the structure of the protection pad of the present invention.
In the figure: 1. a blind shaft maintenance platform; 2. a support; 3. a sole pad; 4. a fixing plate; 5. a telescopic spring; 6. a notch; 7. a return groove; 8. a top plate of the overhaul platform; 9. a protection plate; 10. a protective pad; 11. a first electric push rod; 12. a first moving block; 13. a first diagonal draw bar; 14. a groove; 15. a chute; 16. a second electric push rod; 17. a second moving block; 18. the second diagonal draw bar; 19. a blind shaft body; 20. fixing a pull rope; 21. and a first steel beam.
Detailed Description
As shown in fig. 1 to 3, a blind shaft wellhead maintenance platform comprises a blind shaft body 19 and two first steel beams 21 arranged on the inner wall of the blind shaft body 19, wherein the top end of any first steel beam 21 is hinged with a blind shaft maintenance platform 1, and a fixed stay rope 20 is also connected between the blind shaft maintenance platform 1 and the inner wall of the blind shaft body 19; the top of blind shaft overhauls platform 1 installs liftable overhauls platform roof 8, and overhauls the top of platform roof 8 and be provided with the return channel 7, and the slidable mounting has a pair of fixed shoes in the return channel 7.
During specific operation, the first girder steel 21 of well head at blind shaft body 19 holds the position, the platform that will weld is put down on first girder steel 21, weld one side of blind shaft maintenance platform 1 on support piece 2 with the hinge, another blind shaft maintenance platform 1 top welding couple is fixed with fixed stay cord 20, pull blind shaft maintenance platform 1 and first girder steel 21 vertical position back fixed through pulling fixed stay cord 20, install a limit switch and hoist engine interlocking with the blind shaft maintenance platform 1 border position that stands vertically, hoist engine parking is not started when blind shaft maintenance platform 1 leaves limit switch, thereby guarantee the safety of maintainer, when blind shaft maintenance platform 1 accomodates perpendicularly, the maintainer can be carried normally, and blind shaft maintenance platform 1 is when being put down on first girder steel 21, the maintainer can drew the fixed shoes that slide and set up on maintenance platform roof 8, stand on maintenance platform roof 8, remove along the return channel 7 that sets up on maintenance platform roof 8, prevent that the maintainer from stepping on, guarantee that maintainer can the safety maintenance cage lower end's wheel rotator, through the lift, thereby can make the maintainer rotate to the bottom of the easy tank carrier, can not match its top plate height by the same, thereby the maintainer can rotate to the top of maintainer.
As shown in fig. 4 to 6, the foot-rest shoes further comprise a clamping mechanism arranged on the fixing shoes and used for fixing the feet of the overhaulers, the clamping mechanism comprises a pressing piece and a locking piece, the pressing piece comprises a sole pad 3, two symmetrically arranged telescopic springs 5 are fixedly arranged at the bottom of the sole pad 3, the locking piece comprises a supporting piece 2, the sole pad 3 is slidably connected inside the supporting piece 2, and the telescopic springs 5 are arranged on the lower surface inside the supporting piece 2; the support piece 2 is positioned on the upper surface of the overhaul platform top plate 8, and the support piece 2 is connected in the return groove 7 in a sliding way; a plurality of fixing plates 4 are arranged on two sides of the supporting piece 2, the fixing plates 4 are rotationally connected with the supporting piece 2, the section shape of each fixing plate 4 is L-shaped, and the other end of each fixing plate 4 is positioned at the bottom of the sole pad 3; the notch 6 has all been seted up to support piece 2 both sides, and fixed plate 4 is located notch 6 inside.
During concrete operation, when the rubber wheel rotator at the bottom of the tank is overhauled, firstly, the safety rope is bound at the waist position of an overhauling person, then the blind shaft overhauling platform 1 is unfolded above the first steel beam 21, the overhauling person enters the blind shaft body 19 from an overhauling hole and firstly arrives at the horizontally unfolded overhauling platform top plate 8, because the rubber wheel rotator is positioned at the periphery of the bottom of the tank, the overhauling person usually overhauls the rubber wheel rotator in a head tilting manner, in the head tilting process, the condition that the overhauling person steps on the foot is easy to occur, in order to increase the safety in the overhauling process, the foot of the overhauling person can be fixedly clamped, firstly, the foot of the overhauling person steps on the sole padding plate 3 to move downwards, because the position of one end of the fixing plate 4, which is far away from the supporting piece 2, is horizontal with the surface of the sole padding plate 3, the sole padding plate 3 moves downwards under the action force of overcoming the telescopic springs 5, the fixing plates 4 on two sides of the supporting piece 2 can be driven to rotate, feet of an maintainer are fixed, and because the supporting piece 2 is arranged in the return groove 7 in a sliding manner, the right foot of the maintainer can firstly translate along the return groove 7, then the left foot of the maintainer can follow the steps of the right foot and translate along the tracks formed by the return groove 7, in the moving process, as long as the feet of the maintainer do not vertically move upwards and far away from the sole backing plate 3, the two feet of the maintainer cannot be separated from the fixing shoes, so that the maintainer can only move along the return groove 7 formed on the top plate 8 of the maintenance platform, the face of the maintainer faces outwards all the time and faces to the rubber wheel rotator on the periphery of the bottom of the tank, the maintenance of the maintainer is facilitated, and meanwhile, the maintainer is prevented from concentrating attention when the rubber wheel rotator on the bottom of the tank is maintained, the condition that the overhauling staff steps on the air occurs, so that the risk of falling of the overhauling staff is avoided;
however, after the overhauling is finished, the overhauling personnel need to take off the fixed shoes and leave the wellhead of the blind shaft body 19, at the moment, the overhauling personnel can vertically lift the feet upwards, and the sole pad 3 is driven to move upwards to reset under the action force of the telescopic springs 5 so as to be convenient for the next continuous use; therefore, when the foot of the maintainer wears the fixing shoes to move, the fixing shoes of the foot cannot be separated from the foot of the maintainer even if the body of the maintainer is slightly inclined; when the fixed shoes need to be taken off, the maintainers can vertically lift the feet upwards, so that the maintainers can quickly put on and take off the fixed shoes, the structure is simple, the operation is convenient, and the time is saved.
As shown in fig. 7, two sides of the blind shaft maintenance platform 1 and the maintenance platform top plate 8 are both connected with two second moving blocks 17 which are symmetrically arranged in a sliding manner, one side of each second moving block 17 which is diagonally arranged is hinged with a second diagonal draw bar 18, the two second diagonal draw bars 18 are in a crossed arrangement, and a second electric push rod 16 is fixedly arranged between the two second moving blocks 17 which are close to the blind shaft maintenance platform 1.
During specific operation, two second movable blocks 17 on the blind shaft maintenance platform 1 are driven to move towards the direction of being close to each other through the second electric push rod 16, so that two second movable blocks 17 on the maintenance platform top plate 8 move towards the direction of being close to each other, the maintenance platform top plate 8 is stretched, maintenance personnel with different heights can be matched, maintenance personnel with different heights standing on the maintenance platform top plate 8 can be regulated to a comfortable maintenance height, and a rubber wheel rotator at the bottom of a cage is overhauled.
As shown in fig. 10, protection pads 10 are all installed around the protection plate 9, and the protection pads 10 are made of rubber materials, so that the waist of an maintainer can be protected, the maintainer is prevented from directly contacting with the protection plate 9, and the protection pads 10 are designed to improve the comfort level of the waist of the maintainer when leaning.
As shown in fig. 8 to 9, the top of the maintenance platform top plate 8 is provided with a groove 14, the protection plate 9 is positioned in the groove 14, the maintenance platform top plate 8 is descended and stored in the groove 14, the upper surface of the protection plate 9 and the upper surface of the maintenance platform top plate 8 are positioned on the same plane, the upper surface of the maintenance platform top plate 8 can be directly stepped on for maintenance of the cage bottom when the cage bottom is overhauled, and the smooth surface can prevent maintenance staff from falling down when encountering obstacles during movement.
As shown in fig. 8 to 10, a protection component is arranged at the center of the top plate 8 of the overhaul platform, the protection component comprises a protection plate 9 for supporting the waist, the protection plate 9 can move up and down, two groups of symmetrically arranged sliding blocks are arranged at the bottom of the protection plate 9, and the sliding blocks are connected to the bottom of the protection plate 9 in a sliding manner; a sliding groove 15 is formed in the lower surface of the inside of the overhaul platform top plate 8, two symmetrically arranged first moving blocks 12 are connected in a sliding manner in the sliding groove 15, each group of sliding blocks is hinged with the first moving blocks 12 through first diagonal draw bars 13, and every two first diagonal draw bars 13 are arranged in a crossing manner; a first electric push rod 11 is fixedly connected between the two first moving blocks 12.
During specific operation, after a maintainer wears the fixed shoes, the first electric push rod 11 can be started to drive the two first moving blocks 12 to be close to each other, the two first moving blocks 12 are close to each other to drive the first diagonal draw bars 13 which are arranged in a crossing mode to be lifted, so that the two sliding blocks positioned on the protection plate 9 are close to each other, the protection plate 9 is driven to lift upwards, the protection plate 9 is positioned at the waist of the maintainer, meanwhile, when the maintainer wears the fixed shoes to move along the circular groove 7, the maintainer can lean against the protection plate 9, so that the maintainer can move more stably, and when the maintainer moves to the position of the rubber wheel rotator, the maintainer leaning against the protection plate 9 for maintenance is more labor-saving;
meanwhile, when overhauling the lift of the platform roof 8 to adapt to the overhauling personnel with different heights, the lifting of the platform roof 8 can drive the protection plate 9 to lift simultaneously, so that the protection plate 9 can be always positioned at the waist position of the overhauling personnel no matter the overhauling personnel with any height, the waist support of the overhauling personnel is assisted, and the waist is more comfortable when the overhauling personnel leans on the head to overhaul the rubber wheel rotator at the bottom of the cage;
after maintenance is finished, the two first moving blocks 12 can be driven to move towards the directions away from each other through the first electric push rod 11 according to the same working principle, so that the protection plate 9 is descended and stored in the groove 14, the upper surface of the protection plate 9 and the upper surface of the maintenance platform top plate 8 are located on the same plane, the situation that maintenance personnel fall down due to obstacles when the maintenance personnel move at the top of the maintenance platform top plate 8 is avoided, the legs of the maintenance personnel are lifted vertically upwards at the moment, the fixing shoes can be quickly removed, the blind shaft maintenance platform 1 is pulled to be vertically stored in the side wall of the blind shaft body 19 through pulling the fixing pull ropes 20, and normal lifting operation of a cage is not affected.
Working principle: the blind shaft maintenance platform 1 is pulled by the fixed pull rope 20 to switch different states in the blind shaft body 19, when the blind shaft maintenance platform 1 is unfolded and is vertical to the inner wall of the blind shaft body 19, the rubber wheel rotator at the lower bottom of the cage is maintained, and when the blind shaft maintenance platform 1 is stored and attached to the inner wall of the blind shaft body 19, the cage can be lifted and conveyed normally;
the maintenance personnel wear the fixed shoes to fixedly clamp the feet of the maintenance personnel, and translate along the track formed by the return grooves 7, so that the maintenance personnel always face the rubber wheel rotator, and the rubber wheel rotator around the bottom of the cage is maintained;
lifting of the top plate 8 of the overhaul platform is regulated to drive overhaul personnel to lift, and overhaul personnel with different heights are adapted to overhaul rubber wheel rotators around the bottom of the cage;
through the lift of guard plate 9 for guard plate 9 supports the waist of maintainer, cooperates the lift of maintenance platform roof 8, makes guard plate 9 support the waist at the maintainer of arbitrary height all the time.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a blind shaft well head overhauls platform, includes blind shaft body (19) and installs two first girder steel (21) on blind shaft body (19) inner wall, its characterized in that: the top end of any first steel beam (21) is hinged with a blind shaft maintenance platform (1), and a fixed stay rope (20) is further connected between the blind shaft maintenance platform (1) and the inner wall of the blind shaft body (19);
the top end of the blind shaft overhaul platform (1) is provided with an overhaul platform top plate (8) which can be lifted, the top of the overhaul platform top plate (8) is provided with a return groove (7), and a pair of fixed shoes are arranged in the return groove (7) in a sliding manner;
the clamping mechanism is arranged on the fixed shoe and is used for fixing the foot of an maintainer;
the clamping mechanism comprises a pressing piece and a locking piece, wherein the pressing piece comprises a sole base plate (3), and two symmetrically arranged telescopic springs (5) are fixedly arranged at the bottom of the sole base plate (3);
the locking piece comprises a supporting piece (2), the sole base plate (3) is connected inside the supporting piece (2) in a sliding mode, and the telescopic spring (5) is arranged on the lower surface inside the supporting piece (2);
the support piece (2) is positioned on the upper surface of the overhaul platform top plate (8), and the support piece (2) is connected in the return groove (7) in a sliding manner;
a plurality of fixing plates (4) are arranged on two sides of the supporting piece (2), the fixing plates (4) are rotationally connected with the supporting piece (2), the section shape of each fixing plate (4) is L-shaped, one end of each fixing plate (4) far away from the supporting piece (2) is horizontal to the surface of the sole pad (3), and the other end of each fixing plate (4) is positioned at the bottom of the sole pad (3);
notch (6) have all been seted up to support piece (2) both sides, fixed plate (4) are located notch (6) inside.
2. A blind shaft wellhead access platform according to claim 1, characterised in that: the blind shaft overhauls platform (1), overhauls second movable block (17) that platform roof (8) both sides all sliding connection had two symmetries to set up, and every two second movable block (17) one side that are the diagonal setting articulates there is second diagonal draw bar (18), and two second diagonal draw bars (18) present alternately setting, are close to fixed mounting has second electric putter (16) between two second movable blocks (17) of blind shaft overhauls platform (1).
3. A blind shaft wellhead access platform according to claim 1, characterised in that: the center position of the overhaul platform top plate (8) is provided with a protection assembly, the protection assembly comprises a protection plate (9) used for supporting the waist, and the protection plate (9) can move up and down.
4. A blind shaft wellhead access platform according to claim 3, characterised in that: the protection plate (9) is characterized in that protection pads (10) are arranged around the protection plate (9), and the protection pads (10) are made of rubber materials.
5. A blind shaft wellhead access platform according to claim 3, characterised in that: the top of the overhaul platform top plate (8) is provided with a groove (14), the protection plate (9) is positioned in the groove (14), and the upper surface of the protection plate (9) and the upper surface of the overhaul platform top plate (8) are positioned on the same plane.
6. A blind shaft wellhead access platform according to claim 3, characterised in that: two groups of symmetrically arranged sliding blocks are arranged at the bottom of the protection plate (9), and the sliding blocks are connected to the bottom of the protection plate (9) in a sliding manner;
a sliding groove (15) is formed in the lower surface of the inside of the overhaul platform top plate (8), two symmetrically arranged first moving blocks (12) are connected in a sliding manner in the sliding groove (15), each group of sliding blocks is hinged with the first moving blocks (12) through first diagonal draw bars (13), and every two first diagonal draw bars (13) are arranged in a crossing manner;
a first electric push rod (11) is fixedly connected between the two first moving blocks (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311717476.2A CN117401530B (en) | 2023-12-14 | 2023-12-14 | Blind shaft wellhead maintenance platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311717476.2A CN117401530B (en) | 2023-12-14 | 2023-12-14 | Blind shaft wellhead maintenance platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117401530A CN117401530A (en) | 2024-01-16 |
| CN117401530B true CN117401530B (en) | 2024-02-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311717476.2A Active CN117401530B (en) | 2023-12-14 | 2023-12-14 | Blind shaft wellhead maintenance platform |
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| Country | Link |
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| CN (1) | CN117401530B (en) |
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| JP4209635B2 (en) * | 2002-06-05 | 2009-01-14 | 大王製紙株式会社 | Scaffolding device for inner wall surface work of tower tank body and inner wall surface working method using the scaffolding device |
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| CN105329818A (en) * | 2015-11-20 | 2016-02-17 | 江苏工力重机有限公司 | Maintenance platform for electric grab bucket for ship unloader |
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| CN209660552U (en) * | 2019-01-02 | 2019-11-22 | 信义超薄玻璃(东莞)有限公司 | Roller-way shoes |
| CN109625313A (en) * | 2019-02-28 | 2019-04-16 | 广州新科宇航科技有限公司 | A kind of workbench for aircraft wing maintenance and inspection |
| CN210414506U (en) * | 2019-06-28 | 2020-04-28 | 湖北远程铁道科技有限公司 | Motor car bottom maintenance platform |
| CN219860013U (en) * | 2023-03-31 | 2023-10-20 | 云南驰宏锌锗股份有限公司 | Maintenance platform for replacement of steel cage guide of vertical shaft |
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| CN117401530A (en) | 2024-01-16 |
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