CN210764201U

CN210764201U - Special hydraulic maintenance lifting platform for wellhead

Info

Publication number: CN210764201U
Application number: CN201920551588.8U
Authority: CN
Inventors: 许怀元
Original assignee: KUERLE RIXIN MACHINERY MANUFACTURE CO Ltd
Current assignee: KUERLE RIXIN MACHINERY MANUFACTURE CO Ltd
Priority date: 2019-04-22
Filing date: 2019-04-22
Publication date: 2020-06-16
Anticipated expiration: 2029-04-22

Abstract

The utility model relates to a well control operation platform technical field, a maintenance lift platform is examined to special hydraulic pressure of well head, the on-line screen storage device comprises a base, main operation platform, cut fork elevating gear, extend platform and bracing piece, the top of base is equipped with main operation platform, install between base and the main operation platform and cut fork elevating gear, main operation platform's front side, the guardrail is all installed on rear side and right side, and the guardrail can be folding in main operation platform after removing spacing, there are two extension platforms to the spaced apart portion around main operation platform left edge, the right side of extension platform articulates together with the left corresponding position of main operation platform, and extend the platform and can overturn clockwise to folding on main operation platform around its articulated axis. The utility model discloses can satisfy the installation of different model rigs, can satisfy 4-5 people simultaneously and carry the instrument and examine the maintenance accessory and operate on the platform, can accomplish the regulation with the height through cutting fork elevating gear, further enlarge user's operating range, it is convenient that it examines the maintenance operation and ascend a height.

Description

Special hydraulic maintenance lifting platform for wellhead

Technical Field

The utility model relates to a well accuse operation platform technical field is a maintenance lift platform is examined to special hydraulic pressure of well head.

Background

The installation of well control equipment has the demand of high altitude construction, however does not have special maintenance lift platform, causes the operation inconvenient, especially when being used for the installation or the operation and maintenance operation of well head preventer, the preventer installation height should be higher than the basal plane more than 5m or 5m more under general condition, so carry out preventer installation operation and belong to the high altitude construction of high risk operation one. And because the safety belt worn by the installer often cannot find a proper anchoring point during the installation operation of the blowout preventer, and cannot find a platform or a supporting point with proper height under the feet. Particularly, when complex well heads such as air drilling are combined, the installation and disassembly work of the rotating assembly is often operated on the top of the blowout preventer stack, and the drilling team works by adopting a scaffold method at the present stage. As the equipment must be assembled and heightened after each layer of casing is put in it, the drilling team only has the local material-obtaining continuous column-dismantling and heightening shelves, column-packaging construction and overhaul increase the workload of the drilling team, and the temporary shelves are not standardized, have low working efficiency and are unsafe and have serious safety hidden trouble. In the conventional field inspection and maintenance process, due to the fact that a proper operation platform is not available, a plurality of adverse safe production factors exist:

1. the safety belt has no proper anchoring point;

2. the personnel moving range is small, and the time spent on fastening and disassembling the bolt is long;

3. the installation of the high-pressure fire-resistant rubber pipe is difficult;

4. the inspection and maintenance work is difficult to ascend.

Disclosure of Invention

The utility model provides a maintenance lift platform is examined to special hydraulic pressure of well head has overcome above-mentioned prior art not enough, and it can effectively solve current well control and equip the safety belt that the installation exists and do not have suitable anchor point, and personnel's home range is little, and fastening dismantlement bolt expends time long, examines the problem that maintenance operation went up the height difficulty.

The technical scheme of the utility model is realized through following measure: a lifting platform special for hydraulic inspection and maintenance of a wellhead comprises a base, a main operation platform, a scissor lifting device, an extension platform and support rods, wherein the main operation platform is arranged above the base, the scissor lifting device is arranged between the base and the main operation platform, guardrails are arranged on the front side, the rear side and the right side of the main operation platform, the guardrails can be folded on the main operation platform after the limitation is removed, two extension platforms are arranged on the left side of the main operation platform along the front-back direction interval part, the right side of each extension platform is hinged with the corresponding position on the left side of the main operation platform, the extension platforms can be clockwise turned around the hinge axes of the extension platforms to be overlapped on the main operation platform, at least two hinge limiting seats are distributed at the bottom of each extension platform along the front-back direction interval, the right side of each hinge limiting seat is fixed with the corresponding position on the left side of the main operation platform, the support rods positioned on the, and the supporting rod can be turned forwards or backwards around the hinge axis of the supporting rod and folded on the left side of the main operation platform.

The following are further optimization or/and improvement of the technical scheme of the utility model:

at least two vertical rods are distributed at the bottom of each guardrail at intervals, two connecting holes which are distributed at intervals from top to bottom are formed in each vertical rod, the axis of each connecting hole is consistent with the length direction of each guardrail, connecting seats with upward openings are uniformly distributed on the main operation platform corresponding to the position of each vertical rod, the lower parts of the vertical rods are sleeved in the corresponding connecting seats, long circular holes are uniformly distributed on two sides of the connecting seats corresponding to the positions of two ends of each connecting hole, the height of each long circular hole can cover the positions of the two connecting holes of the corresponding vertical rods, a screw rod is arranged in each connecting hole, two ends of each screw rod penetrate out of the corresponding long circular holes respectively and are fixed with a nut, and notches which can enable the stand columns to be folded inwards on the main operation platform are uniformly distributed on the.

The bottom of each extending platform is provided with two hinged limiting seats at intervals along the front and back directions, the hinged axis of the support rod and the hinged limiting seats is called a positioning axis, each hinged limiting seat is provided with a support limiting hole positioned on the left side of the positioning axis, the support rod corresponding to the position of the support limiting hole is provided with a mounting hole corresponding to the support limiting hole, the mounting hole and the support limiting hole are in limited mounting together through a limiting pin, the hinged limiting seat corresponding to the front or back position of the positioning axis is provided with a folding limiting hole, the distance between the axis of the folding limiting hole and the positioning axis is called a first distance, the distance between the axis of the support limiting hole and the positioning axis is called a second distance, and the first distance and the second distance are equal.

The top surface of the main operation platform can be provided with a flat steel plate and a grating plate, the grating plate is seated on the flat steel plate, and the top surface of the grating plate is distributed with sawteeth.

The landing leg all can be fixed with in the left front, left back, right front and right back of above-mentioned base, and the outer end of every landing leg all is equipped with the regulation screw that link up from top to bottom, all installs the double-screw bolt in every regulation screw, and the bottom of every double-screw bolt all is equipped with the supporting seat.

The utility model has reasonable and compact structure, and can operate the periphery of the wellhead blowout preventer in any direction through the combination of the extension platform and the main operation platform, especially when two of the utility model are used for synchronous operation, without arranging a safety belt, and the personnel have sufficient activity space, so that the fastening or dismounting of the bolt can save time and labor, and is convenient and fast; the utility model can meet the installation and use requirements of drilling machines with different models, can simultaneously meet the requirements of 4-5 persons, carry tools and examine and repair accessories to operate on the platform, can finish the height adjustment of the persons through the scissor lifting device, further enlarges the operation range of users, ensures that the examination and repair operations of the users ascend conveniently and have good safety factors; the utility model discloses still make its transportation of being convenient for move through folding design, accord with the requirement of railway transportation and motor vehicle transportation.

Drawings

Fig. 1 is a schematic partial sectional structure view of the preferred embodiment of the present invention.

Fig. 2 is a right-view structural schematic diagram of fig. 1.

Fig. 3 is a top view of the partial structure of fig. 1.

Fig. 4 is a partially enlarged schematic view at a in fig. 1.

Fig. 5 is a partially enlarged structural view at B of fig. 1.

Fig. 6 is a partially enlarged schematic view at D of fig. 3.

The codes in the figures are respectively: the device comprises a base 1, a main operation platform 2, an extension platform 3, a support rod 4, a guardrail 5, a hinged limiting seat 6, a support arm 7, a connecting rod 8, a linkage upper rod 9, a linkage lower rod 10, a driving hydraulic cylinder 11, a vertical rod 12, a screw rod 13, a connecting seat 14, a long round hole 15, a nut 16, a notch 17, a limiting pin 18, a folding limiting hole 19, a flat steel plate 20, a grating plate 21, a support leg 22, a stud 23, a support seat 24, an upper reinforcing rod 25 and a lower reinforcing rod 26.

Detailed Description

The utility model discloses do not receive the restriction of following embodiment, can be according to the utility model discloses a technical scheme and actual conditions determine concrete implementation.

In the present invention, for convenience of description, the description of the relative position relationship of the components is described according to the layout mode of the attached drawing 1 in the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of the drawings of the specification.

The invention will be further described with reference to the following examples and drawings:

as shown in attached figures 1, 2, 3, 4, 5 and 6, the hydraulic inspection and maintenance lifting platform special for the wellhead comprises a base 1, a main operation platform 2, a scissor lifting device, an extension platform 3 and a support rod 4, wherein the main operation platform 2 is arranged above the base 1, the scissor lifting device is arranged between the base 1 and the main operation platform 2, guardrails 5 are arranged on the front side, the rear side and the right side of the main operation platform 2, the guardrails 5 can be folded on the main operation platform 2 after the limit is relieved, two extension platforms 3 are arranged on the left side of the main operation platform 2 along the front-back direction interval part, the right side of each extension platform 3 is hinged with the corresponding position on the left side of the main operation platform 2, the extension platforms 3 can be clockwise turned over around the hinge axis to be overlapped on the main operation platform 2, at least two hinge limiting seats 6 are distributed on the bottom of each extension platform 3 along the front-back direction interval, the right side of each hinge limiting seat 6 is fixed with the corresponding position on, every articulates and has all to articulate on the spacing seat 6 and is located the bracing piece 4 of extending the 3 bottom surfaces of platform, and bracing piece 4 can overturn around its articulated axis forward or backward and fold in main work platform 2 left sides. The utility model can be used for installing well control equipment, is especially suitable for installing or operating and maintaining a well mouth blowout preventer, when in use, the utility model can be placed on the basic ground of a well mouth, the left side of the main operation platform 2 is close to the right side of the well mouth blowout preventer, and the two extension platforms 3 are respectively positioned at the front side and the rear side of the well mouth blowout preventer, thereby being convenient for a user to realize the operation of the peripheral covering direction of the well mouth blowout preventer by the main operation platform 2 and the extension platforms 3, and the two utility model can be symmetrically distributed to the left side along the axis of the well mouth blowout preventer according to the actual requirement, and the four extension platforms 3 are respectively positioned at the four directions of the left front, the left rear, the right front and the right rear of the well mouth blowout preventer, or every two extension platforms 3 corresponding to the left and the right are contacted, thereby the user can finish the operation of the peripheral arbitrary, the synchronous lifting of the main operation platform 2 and the extension platform 3 can be controlled through the scissor lifting device, the operation requirements of users on different heights are met, and the arrangement of the support rod 4 can limit and support the extension platform 3; after the utility model is used, the scissor lifting device descends to be completely folded, the extension platform 3 is turned clockwise to be folded on the main operation platform 2, the support rod 4 is turned forwards or backwards to be folded on the left side of the main operation platform 2, and the guardrail 5 is folded on the main operation platform 2 after the limit is removed, so that the utility model is in a folded state and is convenient to transport; the utility model has reasonable and compact structure, and can operate the periphery of the wellhead blowout preventer in any direction through the combination of the extension platform 3 and the main operation platform 2, especially when two of the utility model are used for synchronous operation, without arranging safety belts, and the personnel have sufficient activity space, so that the fastening or dismounting of bolts can save time and labor, and is convenient and fast; the utility model can meet the installation and use requirements of drilling machines with different models, can simultaneously meet the requirements of 4-5 persons, carry tools and examine and repair accessories to operate on the platform, can finish the height adjustment of the persons through the scissor lifting device, further enlarges the operation range of users, ensures that the examination and repair operations of the users ascend conveniently and have good safety factors; the utility model discloses still make its transportation of being convenient for move through folding design, accord with the requirement of railway transportation and motor vehicle transportation.

Can do further optimization or/and improvement to above-mentioned special hydraulic pressure of well head maintenance lift platform according to actual need:

as shown in fig. 1, 2 and 3, other prior art scissor lift devices can be used according to the requirement.

As shown in attached figures 1, 2, 4 and 5, at least two upright stanchions 12 are distributed at the bottom of each guardrail 5 at intervals, each upright stanchion 12 is provided with two connecting holes which are distributed at intervals up and down, the axes of the connecting holes are consistent with the length direction of the guardrail 5, connecting seats 14 with upward openings are distributed on the main operation platform 2 corresponding to the positions of each upright stanchion 12, the lower parts of the upright stanchions 12 are sleeved in the corresponding connecting seats 14, the two sides of the connecting seat 14 corresponding to the two ends of the connecting hole are uniformly distributed with long round holes 15, the height of each long round hole 15 can cover the positions of the two connecting holes of the corresponding upright rod 12, a screw 13 is arranged in each connecting hole, the two ends of the screw 13 respectively penetrate out of the corresponding long round holes 15 and are fixed with nuts 16, notches 17 which enable the upright posts to be folded inwards on the main working platform 2 are evenly distributed on the connecting seat 14 on one side corresponding to the central position of the main working platform 2. Therefore, the installation limit of the guardrail 5 can be realized, when the guardrail 5 needs to be folded, the screw rods 13 positioned above or below can be disassembled (for the same guardrail 5, the screw rods 13 needing to be disassembled need to be at the upper position or the lower position at the same time), so that the limit of the guardrail 5 can be released, and the guardrail 5 can be overturned towards the main operation platform 2 around the axis position of the other screw rod 13 and can be folded on the main operation platform 2; the axes of the connecting holes in the guard rails 5 on the front and rear sides are arranged in the left-right direction, and the axes of the connecting holes in the guard rails 5 on the right side are arranged in the front-back direction. According to the requirement, one of the two nuts 16 corresponding to the screw 13 can be integrally arranged with the screw 13, thereby saving the installation time of the screw 13 and the nut 16.

As shown in fig. 1, 3 and 6, two hinged limiting seats 6 are distributed at the bottom of each extending platform 3 at intervals along the front-back direction, the hinged axes of the supporting rod 4 and the hinged limiting seats 6 are called positioning axes, supporting limiting holes positioned at the left side of the positioning axes are distributed on each hinged limiting seat 6, mounting holes corresponding to the supporting limiting holes are distributed on the supporting rod 4 corresponding to the positions of the supporting limiting holes, the mounting holes and the supporting limiting holes are in limited mounting together through limiting pins 18, folding limiting holes 19 are distributed on the hinged limiting seats 6 corresponding to the positions in front of or behind the positioning axes, the distance between the axes of the folding limiting holes 19 and the positioning axes is called a first distance, the distance between the axes of the supporting limiting holes and the positioning axes is called a second distance, and the first distance is equal to the second distance. Therefore, the limiting pin 18 can limit the opening state of the supporting rod 4, when the supporting rod 4 is required to be folded, the limiting pin 18 can be taken out firstly, the folding rod is pushed to the position of the folding limiting hole 19, the limiting pin 18 penetrates through the mounting hole and the folding limiting hole 19, and therefore the limiting pin 18 can limit the folding state of the supporting rod 4, and the supporting rod is convenient to transport. According to the requirement, the plane formed by the axis of the folding limiting hole 19 and the positioning axis can be parallel to the left side surface of the main operation platform 2; the folding limiting holes 19 of the two hinged limiting seats 6 at the bottom of the front extension platform 3 can be located behind the positioning axis, and the folding limiting holes 19 of the two hinged limiting seats 6 at the bottom of the rear extension platform 3 can be located in the front of the positioning axis, so that the supporting rod 4 can be folded towards the middle of the main operation platform 2.

As shown in fig. 3 and 6, a flat steel plate 20 and a grating plate 21 are disposed on the top surface of the main work platform 2, the grating plate 21 is seated on the flat steel plate 20, and the top surface of the grating plate 21 is distributed with saw teeth. Therefore, the mud can be washed away conveniently, and the user is prevented from treading and slipping.

As shown in fig. 1 and 3, the left front, the left rear, the right front and the right rear of the base 1 are respectively fixed with a support leg 22, the outer end of each support leg 22 is provided with an adjusting screw hole which is through up and down, each adjusting screw hole is internally provided with a stud 23, and the bottom of each stud 23 is provided with a support seat 24. From this it is right to be convenient for the user to realize through landing leg 22 the utility model discloses a hoist and mount, the setting of double-screw bolt 23 can be convenient for the utility model discloses realize the four corners balance regulation, specifically do: prop up through the lead screw thousand gold earlier the utility model discloses to make base 1 leave ground, then adjust the relative position of double-screw bolt 23 and regulation screw, realize the leveling operation, have leveling easy operation convenient characteristics. The stud 23 and the support seat 24 may be integrally or separately provided according to requirements.

Above technical feature constitutes the utility model discloses a best embodiment, it has stronger adaptability and best implementation effect, can increase and decrease unnecessary technical feature according to actual need, satisfies the demand of different situation.

Claims

1. A lifting platform special for hydraulic inspection and maintenance of a wellhead is characterized by comprising a base, a main operation platform, a scissor lifting device, an extension platform and a support rod, wherein the main operation platform is arranged above the base, the scissor lifting device is arranged between the base and the main operation platform, guardrails are arranged on the front side, the rear side and the right side of the main operation platform, the guardrails can be folded on the main operation platform after the limit is relieved, two extension platforms are arranged on the left side of the main operation platform along the front-back direction interval part, the right side of each extension platform is hinged with the corresponding position on the left side of the main operation platform, the extension platforms can be clockwise turned around the hinge axis of the extension platforms to be overlapped on the main operation platform, at least two hinged limit seats are distributed at intervals along the front-back direction at the bottom of each extension platform, the right side of each hinged limit seat is fixed with the corresponding position, every articulates all to have the bracing piece that is located the extension platform bottom surface on the spacing seat, and the bracing piece can overturn around its articulated axis forward or backward and fold in main work platform left side.

2. The hydraulic maintenance lifting platform special for the wellhead as claimed in claim 1, wherein at least two vertical rods are distributed at intervals at the bottom of each guardrail, each vertical rod is provided with two connecting holes distributed at intervals up and down, the axis of each connecting hole is consistent with the length direction of the guardrail, connecting seats with upward openings are uniformly distributed on the main operation platform corresponding to the positions of each upright stanchion, the lower parts of the upright stanchions are sleeved in the corresponding connecting seats, the two sides of the connecting seat corresponding to the two ends of the connecting hole are uniformly distributed with long round holes, the height of each long round hole can cover the positions of the two connecting holes of the corresponding upright stanchion, a screw rod is arranged in each connecting hole, the two ends of the screw rod respectively penetrate out of the corresponding long round holes and are fixed with nuts, the connecting seat on one side corresponding to the central position of the main operation platform is evenly distributed with notches which can enable the upright posts to be folded inwards on the main operation platform.

3. The hydraulic maintenance lifting platform special for the wellhead as claimed in claim 1, wherein two hinged limiting seats are distributed at the bottom of each extending platform at intervals along the front-back direction, the hinged axes of the support rod and the hinged limiting seats are called positioning axes, each hinged limiting seat is distributed with a support limiting hole positioned at the left side of the positioning axes, the support rod corresponding to the position of the support limiting hole is distributed with a corresponding mounting hole, the mounting hole and the support limiting hole are mounted together in a limiting way through a limiting pin, the hinged limiting seats corresponding to the front or rear position of the positioning axes are distributed with a folding limiting hole, the distance between the axis of the folding limiting hole and the positioning axes is called a first distance, the distance between the axis of the support limiting hole and the positioning axes is called a second distance, and the first distance is equal to the second distance.

4. The hydraulic maintenance lifting platform special for the wellhead as claimed in claim 2, wherein two hinged limiting seats are distributed at the bottom of each extending platform at intervals along the front and back directions, the hinged axes of the support rod and the hinged limiting seats are called positioning axes, each hinged limiting seat is distributed with a support limiting hole positioned at the left side of the positioning axes, the support rod corresponding to the position of the support limiting hole is distributed with a corresponding mounting hole, the mounting hole and the support limiting hole are mounted together in a limiting way through a limiting pin, the hinged limiting seats corresponding to the front or back position of the positioning axes are distributed with a folding limiting hole, the distance between the axis of the folding limiting hole and the positioning axes is called a first distance, the distance between the axis of the support limiting hole and the positioning axes is called a second distance, and the first distance is equal to the second distance.

5. The hydraulic maintenance lifting platform special for well heads as claimed in claim 1 or 4, wherein a flat steel plate and a grating plate are arranged on the top surface of the main operation platform, the grating plate is seated on the flat steel plate, and sawteeth are distributed on the top surface of the grating plate.

6. The hydraulic maintenance lifting platform special for well heads as claimed in claim 2, wherein the top surface of the main working platform is provided with a flat steel plate and a grating plate, the grating plate is seated on the flat steel plate, and the top surface of the grating plate is distributed with sawteeth.

7. The hydraulic maintenance lifting platform special for well heads as claimed in claim 3, wherein the top surface of the main working platform is provided with a flat steel plate and a grating plate, the grating plate is seated on the flat steel plate, and the top surface of the grating plate is distributed with sawteeth.

8. The hydraulic maintenance lifting platform special for the wellhead as claimed in claim 1, 4, 6 or 7, wherein the left front, the left rear, the right front and the right rear of the base are respectively fixed with a support leg, the outer end of each support leg is provided with an adjusting screw hole which is through up and down, each adjusting screw hole is internally provided with a stud, and the bottom of each stud is provided with a support seat.

9. The hydraulic maintenance lifting platform special for the wellhead as claimed in claim 2, wherein the left front, the left rear, the right front and the right rear of the base are respectively fixed with a support leg, the outer end of each support leg is provided with an adjusting screw hole which is communicated up and down, each adjusting screw hole is internally provided with a stud, and the bottom of each stud is provided with a support seat.