CN211940740U - Well testing flange screw tightening device - Google Patents
Well testing flange screw tightening device Download PDFInfo
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- CN211940740U CN211940740U CN202020009031.4U CN202020009031U CN211940740U CN 211940740 U CN211940740 U CN 211940740U CN 202020009031 U CN202020009031 U CN 202020009031U CN 211940740 U CN211940740 U CN 211940740U
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Abstract
The utility model discloses a tight device is pieced together to test well flange screw belongs to production tree flange assembly and disassembly tools technical field, including the body, its characterized in that: still including setting up activity pincers and the twist grip on the body, the body includes the centre gripping section and grips the section, and the tip of centre gripping section is "V" font, and the section of gripping is the cuboid, and it has cuboid recess and "T" shape recess to open in the section of gripping, and the runner has been inlayed to the lower part of "T" shape recess, and the twist grip runs through the runner, and the activity pincers include clamping part and sliding part, and the clamping part is "V" font, and the sliding part is the cuboid form, and the activity pincers pass through sliding part and cuboid recess sliding connection, the end connection of sliding part has the rack, and the rack is located the upper portion of T "shape recess, and the rack passes through the screw thread interlock with the. The utility model discloses can the not unidimensional outer hexagon nut of test-well flange of centre gripping, can adapt to the operational environment of various differences, the dismouting flexibility is strong, the convenient safety of dismouting.
Description
Technical Field
The utility model relates to production tree flange assembly and disassembly tools technical field especially relates to a tight device is pieced together to test well flange screw.
Background
When dismouting well head flange, the present universal adoption strikes the spanner and strikes the hammer, needs two people to cooperate when striking the flange screw, wastes time and energy, strikes the back at the screw, and the lower extreme is assembled and is strikeed the spanner and be difficult to take out, and because of production tree bypass outward appearance top surface is narrow, dismantles the operation and needs two people to cooperate to accomplish again, and the focus unstability can appear during the staff operation, influences operation and job schedule, and has the tup and skids and hinder the people, the risk that the eminence falls. Therefore, the well testing flange dismounting tool which is convenient to carry and operate and can finish dismounting the flange at high altitude by a single person independently is urgently needed, so that the tool is suitable for various different working environments.
Chinese patent documents with publication number CN 208841308U and publication date of 2019, 05 and 10 disclose a wellhead flange bolt dismounting device, which is characterized by comprising a vertical pipe and a fixed support, wherein the lower end of the vertical pipe is fixed with an upper socket wrench; the fixed support is provided with a rotating head, a hoop head and a vertical pipe centering mechanism, the middle upper part and the upper part of an inner bushing of the hoop head thread centering mechanism are clamped by a hydraulic power tong, and the hoop head is connected with a wellhead through a hoop and is fixed outside a shaft sleeve of the vertical pipe centering mechanism through a connecting plate; and (3) penetrating the stand pipe into a hoop head of the stand pipe gate valve for connection.
This well head flange bolt dismouting device that patent document discloses, when can reducing many people operation in the narrow and small space of well head, the hammer strikes the spanner and shakes the safety problem that the departure or the hammer is out of alignment maloperation and leads to, but, can not the outer hexagon nut of not unidimensional test well flange of centre gripping, can't adapt to the operational environment of various differences, the dismouting flexibility is poor.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome above-mentioned prior art's defect, provide a tight device is pieced together to test well flange screw, the utility model discloses can the not unidimensional outer hexagon nut of test well flange of centre gripping, can adapt to the operational environment of various differences, the dismouting flexibility is strong, the convenient safety of dismouting.
The utility model discloses a following technical scheme realizes:
the utility model provides a tight device is pieced together to test well flange screw, includes the body, its characterized in that: still including setting up activity pincers and the twist grip on the body, the body includes the centre gripping section and grips the section, the tip of centre gripping section is "V" font, grips the section and is the cuboid, it has cuboid recess and "T" shape recess to open in the section to grip, and the runner has been inlayed to the lower part of "T" shape recess, the twist grip runs through the runner, the activity pincers include clamping part and sliding part, and the clamping part is "V" font, and the sliding part is the cuboid form, the activity pincers pass through sliding part and cuboid recess sliding connection, the end connection of sliding part has the rack, the rack is located the upper portion of T "shape recess, and the rack passes through the screw thread interlock with the runner.
The rotary clamping device is characterized in that a blocking handle is connected to the clamping section in a rotating mode, a clamping pin is fixed to the blocking handle, a locking block is connected to the holding section in a rotating mode, an arc groove is formed in the locking block, and one end of the blocking handle is connected to the arc groove of the locking block in a rotating mode through the clamping pin.
The stop handle is provided with a through groove, the movable pliers penetrate through the through groove, a limiting screw is fixed on the holding section, and the limiting screw is located above the rack.
And a limiting screw rod for limiting the stop handle is fixed at the lower part of the holding section.
The section of gripping is last to be opened there is the inclined hole, is provided with the internal thread in the inclined hole, and open at the middle part of lock block has the screw rod hole, and the downthehole set screw that is provided with of screw rod has return spring, and set screw passes through threaded connection in the inclined hole on the set screw.
The holding section is riveted with an anti-falling pin, and the rotating handle is connected with the holding section through the anti-falling pin.
The working principle of the utility model is as follows:
based on the principle that the rotary motion is changed into the linear motion, namely the clockwise and anticlockwise rotary motion of the rotating wheel is converted into the linear movement motion of the rack.
Before well testing, the opening of the body is placed leftwards, the surface with the cuboid groove faces upwards, the movable clamp is placed into the cuboid groove of the body, the boss with the rack at the lower end of the movable clamp is embedded into the kidney-shaped groove of the cuboid groove, and the limit screw of the movable clamp is screwed with the limit threaded hole of the movable clamp on the body; one hand puts the rotating wheel into the T-shaped groove, the other hand penetrates the rotating handle from the longitudinal through hole at the lower end of the body, so that the rotating handle penetrates through the semicircular through hole of the rotating wheel until the front end of the rotating shaft of the rotating handle is inserted into the side hole of the T-shaped groove of the body, and then the anti-falling pin is riveted into the anti-falling pin through hole at the lower end of the body; locking piece return spring set screw twists this body outside inclined hole in, with the locking piece suit on body semicircle boss, make on body and the locking piece respective pivot hole axial align, penetrate locking piece pivot and rivet tightly. Screwing a locking block return spring fixing screw into a corresponding threaded hole of the locking block, rotating the locking block to sleeve one end of the locking block return spring on a locking block return spring fixing screw rod, and sleeving the other end of the locking block return spring on the locking block return spring fixing screw rod; the stop is screwed into the straight-edge threaded hole in the side face of the body by the limit screw, the stop handle is sleeved, the body and the stop on the stop handle are axially aligned with the rotating shaft hole, the stop passes through the body and the stop on the stop handle to rivet the rotating shaft hole, the stop handle is rotated to enable the bayonet lock mounting hole to be located in the hook-shaped arc groove of the locking block, and the bayonet lock passes through the locking block and the bayonet lock mounting hole on the stop handle to be riveted, so that the assembling of the well testing flange screw tightening device is completed.
When the screw cap is screwed down, the blocking handle is separated outwards to be in a locking state and be in a working state; turning a rotating handle anticlockwise to enable a reversed V-shaped opening of the well testing flange screw tightening device to be leftward, retracting a movable clamp, increasing an opening, clamping an end reversed V-shaped surface of a clamping section on a diagonal of a nut at the lower end of a flange when the distance of the opening is larger than the diagonal distance of the flange nut, then turning the rotating handle clockwise, extending the movable clamp, reducing the opening until the flange nut is clamped, sleeving a sleeve knocking wrench with the flat size of the flange nut into the nut at the upper end of the flange, hammering the knocking wrench clockwise, rotating the well testing flange screw tightening device together with a screw until a stop handle is contacted with an adjacent nut, limiting the stop handle to rotate by the nut, pressing a locking block to unlock the stop handle after the nut is tightened by force applied to the sleeve knocking wrench, turning the rotating handle anticlockwise, retracting the movable clamp, increasing the opening, and taking out the well testing flange screw tightening device, the remaining seven flange bolts were fastened diagonally in the same way.
When the screw cap is loosened, the blocking handle is separated outwards to be in a locking state; turning the reverse V-shaped opening of the well testing flange screw tightening device to the right, rotating the rotating handle anticlockwise, retracting the movable clamp, increasing the opening, when the distance is larger than the diagonal distance of the flange screw cap, clamping the end part of the clamping section on the diagonal of the screw cap at the lower end of the flange, then rotating the rotating handle clockwise, extending the movable clamp, reducing the opening until clamping the flange screw cap, sleeving a sleeve knocking wrench with the same flat size as the flange screw cap into the screw cap at the upper end of the flange, hammering the knocking wrench anticlockwise, rotating the well testing flange screw tightening device together with the screw until the stop handle is contacted with the adjacent screw cap, limiting the stop handle to rotate by the screw cap, when the force applied on the sleeve knocking wrench is larger than the tightening force of the screw cap at the upper end of the flange, loosening the screw cap, rotating the rotating handle anticlockwise, retracting the movable clamp, increasing the opening, taking out the well testing flange screw tightening device, the other seven flange bolts are loosened by the same method, and the whole flange mounting and dismounting process is safe and reliable.
The beneficial effects of the utility model are mainly expressed in the following aspect:
the utility model discloses a, the body includes centre gripping section and gripping section, the tip of centre gripping section is "V" font of falling, the gripping section is the cuboid, it has cuboid recess and "T" shape recess to open in the gripping section, the runner has been inlayed to the lower part of "T" shape recess, twist grip runs through the runner, the activity pincers include clamping part and sliding part, the clamping part is "V" font, the sliding part is the cuboid form, the activity pincers pass through sliding part and cuboid recess sliding connection, the end connection of sliding part has the rack, the rack is located the upper portion of T "shape recess, the rack passes through the screw thread interlock with the runner, based on the principle of rotary motion change straight line motion, utilize the clockwise, the anticlockwise rotary motion of runner to convert the rectilinear motion of rack into, anticlockwise rotation handle, the activity pincers retract, the opening increases; the rotating handle is rotated clockwise, the movable pliers extend out, and the opening is reduced; compared with the prior art, the outer hexagonal nut of the well testing flange with different sizes can be clamped, the outer hexagonal nut can adapt to various different working environments, the disassembly and assembly flexibility is strong, and the disassembly and assembly are convenient and safe.
Two, the utility model discloses, rotate on the grip section and be connected with the fender handle, keep off and be fixed with the bayonet lock on to, rotate on the grip section and be connected with the locking piece, it has the circular arc groove to open on the locking piece, keeps off the one end of handle and rotates through the bayonet lock and connect in the circular arc inslot of locking piece, is convenient for lock through setting up the locking piece, improves the job stabilization nature of whole test well flange screw piecing together the device.
Thirdly, the utility model discloses, keep off and open logical groove on the handle, the activity pincers run through logical groove, grip and be fixed with limiting screw in the section, and limiting screw is located the rack top, can play spacing guide effect to the flexible removal of activity pincers.
Fourth, the utility model discloses, the lower part of the section of gripping is fixed with the limiting screw who is used for the restriction to keep off the handle, can restrict to keep off the stroke of unblock back return, has both prevented that the body from imbedding to keep off logical groove, avoids the finger card again between body and fender, improves safety in utilization.
Fifth, the utility model discloses, it has the inclined hole to open on the section of gripping, is equipped with the internal thread in the inclined hole, and open at the middle part of locking piece has the screw rod hole, is provided with the fixed screw rod in the screw rod hole, and the cover has return spring on the fixed screw rod, and the fixed screw rod passes through threaded connection in the inclined hole, and when the return spring of locking piece received the compression, made things convenient for the bayonet lock to get into the circular arc groove of locking piece, to keeping off the unblock of handle; anticlockwise rotation twist grip, the opening increase, the tight device of test well flange screw piece is convenient takes out from the nut, when stopping to press the lock piece, lock piece and fender are under the return spring effect of lock piece, and automatic re-setting has improved the convenient degree of whole locking and unblock process.
Sixth, the utility model discloses, the riveting has the anticreep round pin in the section of gripping, and twist grip passes through the anticreep round pin and is connected with the section of gripping, fixed twist grip that can be good, guarantee twist grip's operational reliability.
Drawings
The invention will be further described with reference to the accompanying drawings and specific embodiments, wherein:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the holding section of the present invention;
the labels in the figure are: 1. the body, 2, activity pincers, 3, twist grip, 4, centre gripping section, 5, the section of gripping, 6, cuboid recess, 7, "T" shape recess, 8, runner, 9, clamping part, 10, sliding part, 11, rack, 12, fender handle, 13, bayonet lock, 14, locking piece, 15, circular arc groove, 16, logical groove, 17, stop screw, 18, stop screw, 19, inclined hole, 20, clamping screw, 21, return spring, 22, anticreep round pin.
Detailed Description
Example 1
Referring to fig. 1, a tight device is pieced together to test-well flange screw, includes body 1, still including setting up activity pincers 2 and the twist grip 3 on body 1, body 1 includes centre gripping section 4 and the section of gripping 5, the tip of centre gripping section 4 is "V" font, and the section of gripping 5 is the cuboid, it has cuboid recess 6 and "T" shape recess 7 to open on the section of gripping 5, and runner 8 has been inlayed to the lower part of "T" shape recess 7, twist grip 3 runs through runner 8, activity pincers 2 include clamping part 9 and sliding part 10, and clamping part 9 is "V" font, and sliding part 10 is the cuboid form, activity pincers 2 pass through sliding part 10 and cuboid recess 6 sliding connection, the end connection of sliding part 10 has rack 11, rack 11 is located the upper portion of T "shape recess, and rack 11 passes through the screw thread interlock with runner 8.
The embodiment is the most basic implementation mode, the body 1 comprises a clamping section 4 and a holding section 5, the end of the clamping section 4 is in an inverted ' V ' -shape, the holding section 5 is in a cuboid shape, a cuboid groove 6 and a ' T ' -shaped groove 7 are formed in the holding section 5, a rotating wheel 8 is embedded in the lower portion of the ' T ' -shaped groove 7, the rotating handle 3 penetrates through the rotating wheel 8, the movable pliers 2 comprises a clamping portion 9 and a sliding portion 10, the clamping portion 9 is in a ' V ' -shape, the sliding portion 10 is in a cuboid shape, the movable pliers 2 is in sliding connection with the cuboid groove 6 through the sliding portion 10, the end of the sliding portion 10 is connected with a rack 11, the rack 11 is located at the upper portion of the T ' -shaped groove, the rack 11 is meshed with the rotating wheel 8 through threads, the principle of changing the rotating motion into the linear motion based on the principle of changing the clockwise and counterclockwise rotating motions of the rotating wheel 8 into the linear motion, the opening is enlarged; the rotating handle 3 is rotated clockwise, the movable pliers 2 extend out, and the opening is reduced; compared with the prior art, the outer hexagonal nut of the well testing flange with different sizes can be clamped, the outer hexagonal nut can adapt to various different working environments, the disassembly and assembly flexibility is strong, and the disassembly and assembly are convenient and safe.
Example 2
Referring to fig. 1, a tight device is pieced together to test-well flange screw, includes body 1, still including setting up activity pincers 2 and the twist grip 3 on body 1, body 1 includes centre gripping section 4 and the section of gripping 5, the tip of centre gripping section 4 is "V" font, and the section of gripping 5 is the cuboid, it has cuboid recess 6 and "T" shape recess 7 to open on the section of gripping 5, and runner 8 has been inlayed to the lower part of "T" shape recess 7, twist grip 3 runs through runner 8, activity pincers 2 include clamping part 9 and sliding part 10, and clamping part 9 is "V" font, and sliding part 10 is the cuboid form, activity pincers 2 pass through sliding part 10 and cuboid recess 6 sliding connection, the end connection of sliding part 10 has rack 11, rack 11 is located the upper portion of T "shape recess, and rack 11 passes through the screw thread interlock with runner 8.
The clamping section 4 is rotatably connected with a blocking handle 12, the blocking handle 12 is fixedly provided with a clamping pin 13, the holding section 5 is rotatably connected with a locking block 14, the locking block 14 is provided with an arc groove 15, and one end of the blocking handle 12 is rotatably connected in the arc groove 15 of the locking block 14 through the clamping pin 13.
The embodiment is a preferred implementation mode, rotates on the grip section 4 to be connected with and keeps off 12, keeps off and is fixed with bayonet lock 13 on 12, rotates on the grip section 5 to be connected with locking piece 14, and it has circular arc groove 15 to open on the locking piece 14, keeps off that the one end of 12 rotates through bayonet lock 13 to be connected in the circular arc groove 15 of locking piece 14, is convenient for lock through setting up locking piece 14, improves the job stabilization nature of whole test well flange screw piecing together device.
Example 3
Referring to fig. 1 and 2, a well testing flange screw splicing device comprises a body 1, and further comprises movable pliers 2 and a rotating handle 3 which are arranged on the body 1, wherein the body 1 comprises a clamping section 4 and a holding section 5, the end part of the clamping section 4 is inverted V-shaped, the holding section 5 is cuboid, a cuboid groove 6 and a T-shaped groove 7 are formed in the holding section 5, a rotating wheel 8 is embedded in the lower part of the T-shaped groove 7, the rotating handle 3 penetrates through the rotating wheel 8, the movable pliers 2 comprises a clamping part 9 and a sliding part 10, the clamping part 9 is V-shaped, the sliding part 10 is cuboid, the movable pliers 2 is in sliding connection with the cuboid groove 6 through the sliding part 10, the end part of the sliding part 10 is connected with a rack 11, the rack 11 is located on the upper part of the T-shaped groove, and the rack 11 is meshed with the rotating wheel 8 through threads.
The clamping section 4 is rotatably connected with a blocking handle 12, the blocking handle 12 is fixedly provided with a clamping pin 13, the holding section 5 is rotatably connected with a locking block 14, the locking block 14 is provided with an arc groove 15, and one end of the blocking handle 12 is rotatably connected in the arc groove 15 of the locking block 14 through the clamping pin 13.
The stop handle 12 is provided with a through groove 16, the movable pliers 2 penetrates through the through groove 16, a limiting screw 17 is fixed on the holding section 5, and the limiting screw 17 is positioned above the rack 11.
In this embodiment, a through slot 16 is formed in the retaining handle 12, the movable pliers 2 penetrates through the through slot 16, and a limit screw 17 is fixed on the holding section 5, and the limit screw 17 is located above the rack 11 and can play a role in limiting and guiding the telescopic movement of the movable pliers 2.
Example 4
Referring to fig. 1 and 2, a well testing flange screw splicing device comprises a body 1, and further comprises movable pliers 2 and a rotating handle 3 which are arranged on the body 1, wherein the body 1 comprises a clamping section 4 and a holding section 5, the end part of the clamping section 4 is inverted V-shaped, the holding section 5 is cuboid, a cuboid groove 6 and a T-shaped groove 7 are formed in the holding section 5, a rotating wheel 8 is embedded in the lower part of the T-shaped groove 7, the rotating handle 3 penetrates through the rotating wheel 8, the movable pliers 2 comprises a clamping part 9 and a sliding part 10, the clamping part 9 is V-shaped, the sliding part 10 is cuboid, the movable pliers 2 is in sliding connection with the cuboid groove 6 through the sliding part 10, the end part of the sliding part 10 is connected with a rack 11, the rack 11 is located on the upper part of the T-shaped groove, and the rack 11 is meshed with the rotating wheel 8 through threads.
The clamping section 4 is rotatably connected with a blocking handle 12, the blocking handle 12 is fixedly provided with a clamping pin 13, the holding section 5 is rotatably connected with a locking block 14, the locking block 14 is provided with an arc groove 15, and one end of the blocking handle 12 is rotatably connected in the arc groove 15 of the locking block 14 through the clamping pin 13.
The stop handle 12 is provided with a through groove 16, the movable pliers 2 penetrates through the through groove 16, a limiting screw 17 is fixed on the holding section 5, and the limiting screw 17 is positioned above the rack 11.
A limiting screw 18 for limiting the stop handle 12 is fixed at the lower part of the holding section 5.
In the present embodiment, a limiting screw 18 for limiting the stop lever 12 is fixed at the lower part of the holding section 5, which can limit the return stroke of the stop lever 12 after unlocking, prevent the body 1 from being embedded into the through groove 16 of the stop lever 12, and prevent fingers from being clamped between the body 1 and the stop lever 12, thereby improving the use safety.
Example 5
Referring to fig. 1 and 2, a well testing flange screw splicing device comprises a body 1, and further comprises movable pliers 2 and a rotating handle 3 which are arranged on the body 1, wherein the body 1 comprises a clamping section 4 and a holding section 5, the end part of the clamping section 4 is inverted V-shaped, the holding section 5 is cuboid, a cuboid groove 6 and a T-shaped groove 7 are formed in the holding section 5, a rotating wheel 8 is embedded in the lower part of the T-shaped groove 7, the rotating handle 3 penetrates through the rotating wheel 8, the movable pliers 2 comprises a clamping part 9 and a sliding part 10, the clamping part 9 is V-shaped, the sliding part 10 is cuboid, the movable pliers 2 is in sliding connection with the cuboid groove 6 through the sliding part 10, the end part of the sliding part 10 is connected with a rack 11, the rack 11 is located on the upper part of the T-shaped groove, and the rack 11 is meshed with the rotating wheel 8 through threads.
The clamping section 4 is rotatably connected with a blocking handle 12, the blocking handle 12 is fixedly provided with a clamping pin 13, the holding section 5 is rotatably connected with a locking block 14, the locking block 14 is provided with an arc groove 15, and one end of the blocking handle 12 is rotatably connected in the arc groove 15 of the locking block 14 through the clamping pin 13.
The stop handle 12 is provided with a through groove 16, the movable pliers 2 penetrates through the through groove 16, a limiting screw 17 is fixed on the holding section 5, and the limiting screw 17 is positioned above the rack 11.
A limiting screw 18 for limiting the stop handle 12 is fixed at the lower part of the holding section 5.
The holding section 5 is provided with an inclined hole 19, an internal thread is arranged in the inclined hole 19, the middle of the locking block 14 is provided with a screw hole, a fixing screw 20 is arranged in the screw hole, a return spring 21 is sleeved on the fixing screw 20, and the fixing screw 20 is connected in the inclined hole 19 through a thread.
In this embodiment, as another preferred embodiment, the grip section 5 is provided with an inclined hole 19, an internal thread is provided in the inclined hole 19, a screw hole is provided in the middle of the locking block 14, a fixing screw 20 is provided in the screw hole, a return spring 21 is sleeved on the fixing screw 20, the fixing screw 20 is connected in the inclined hole 19 through a thread, and when the return spring 21 of the locking block 14 is compressed, the detent 13 can conveniently enter the arc groove 15 of the locking block 14 to unlock the catch 12; anticlockwise rotation twist grip 3, the opening increase, the convenient nut of following of test well flange screw makeup device takes out, when stopping to press locking piece 14, locking piece 14 and fender 12 under the return spring 21 effect of locking piece 14, automatic re-setting have improved the convenient degree of whole locking and unblock process.
Example 6
Referring to fig. 1 and 2, a well testing flange screw splicing device comprises a body 1, and further comprises movable pliers 2 and a rotating handle 3 which are arranged on the body 1, wherein the body 1 comprises a clamping section 4 and a holding section 5, the end part of the clamping section 4 is inverted V-shaped, the holding section 5 is cuboid, a cuboid groove 6 and a T-shaped groove 7 are formed in the holding section 5, a rotating wheel 8 is embedded in the lower part of the T-shaped groove 7, the rotating handle 3 penetrates through the rotating wheel 8, the movable pliers 2 comprises a clamping part 9 and a sliding part 10, the clamping part 9 is V-shaped, the sliding part 10 is cuboid, the movable pliers 2 is in sliding connection with the cuboid groove 6 through the sliding part 10, the end part of the sliding part 10 is connected with a rack 11, the rack 11 is located on the upper part of the T-shaped groove, and the rack 11 is meshed with the rotating wheel 8 through threads.
The clamping section 4 is rotatably connected with a blocking handle 12, the blocking handle 12 is fixedly provided with a clamping pin 13, the holding section 5 is rotatably connected with a locking block 14, the locking block 14 is provided with an arc groove 15, and one end of the blocking handle 12 is rotatably connected in the arc groove 15 of the locking block 14 through the clamping pin 13.
The stop handle 12 is provided with a through groove 16, the movable pliers 2 penetrates through the through groove 16, a limiting screw 17 is fixed on the holding section 5, and the limiting screw 17 is positioned above the rack 11.
A limiting screw 18 for limiting the stop handle 12 is fixed at the lower part of the holding section 5.
The holding section 5 is provided with an inclined hole 19, an internal thread is arranged in the inclined hole 19, the middle of the locking block 14 is provided with a screw hole, a fixing screw 20 is arranged in the screw hole, a return spring 21 is sleeved on the fixing screw 20, and the fixing screw 20 is connected in the inclined hole 19 through a thread.
The holding section 5 is riveted with a separation-preventing pin 22, and the rotating handle 3 is connected with the holding section 5 through the separation-preventing pin 22.
The embodiment is a best implementation mode, the body 1 comprises a clamping section 4 and a holding section 5, the end of the clamping section 4 is in an inverted ' V ' shape, the holding section 5 is in a cuboid shape, a cuboid groove 6 and a ' T ' -shaped groove 7 are formed in the holding section 5, a rotating wheel 8 is embedded in the lower portion of the ' T ' -shaped groove 7, the rotating handle 3 penetrates through the rotating wheel 8, the movable pliers 2 comprises a clamping portion 9 and a sliding portion 10, the clamping portion 9 is in a ' V ' shape, the sliding portion 10 is in a cuboid shape, the movable pliers 2 is in sliding connection with the cuboid groove 6 through the sliding portion 10, the end of the sliding portion 10 is connected with a rack 11, the rack 11 is located at the upper portion of the T ' -shaped groove, the rack 11 is meshed with the rotating wheel 8 through threads, based on the principle that the rotating motion becomes linear motion, namely, the clockwise and counterclockwise rotating motion of the rotating wheel 8 is converted into linear motion of, the opening is enlarged; the rotating handle 3 is rotated clockwise, the movable pliers 2 extend out, and the opening is reduced; compared with the prior art, the outer hexagonal nut of the well testing flange with different sizes can be clamped, the outer hexagonal nut can adapt to various different working environments, the disassembly and assembly flexibility is strong, and the disassembly and assembly are convenient and safe.
The section of gripping 5 is last to be riveted with anticreep round pin 22, and twist grip 3 is connected with section of gripping 5 through anticreep round pin 22, and fixed twist grip 3 that can be good ensures twist grip 3's operational reliability.
Claims (4)
1. The utility model provides a tight device is pieced together to test well flange screw, includes body (1), its characterized in that: the clamping device is characterized by further comprising movable pliers (2) and a rotating handle (3) which are arranged on the body (1), wherein the body (1) comprises a clamping section (4) and a holding section (5), the end portion of the clamping section (4) is inverted V-shaped, the holding section (5) is cuboid, a cuboid groove (6) and a T-shaped groove (7) are formed in the holding section (5), a rotating wheel (8) is embedded in the lower portion of the T-shaped groove (7), the rotating handle (3) penetrates through the rotating wheel (8), the movable pliers (2) comprises a clamping portion (9) and a sliding portion (10), the clamping portion (9) is V-shaped, the sliding portion (10) is cuboid, the movable pliers (2) is in sliding connection with the cuboid groove (6) through the sliding portion (10), the end portion of the sliding portion (10) is connected with a rack (11), and the rack (11) is located on the upper portion of the T-shaped groove, the rack (11) is meshed with the rotating wheel (8) through threads.
2. The well testing flange screw tightening device according to claim 1, characterized in that: the clamping section (4) is connected with a blocking handle (12) in a rotating mode, the blocking handle (12) is fixed with a clamping pin (13), the holding section (5) is connected with a locking block (14) in a rotating mode, the locking block (14) is provided with an arc groove (15), and one end of the blocking handle (12) is connected into the arc groove (15) of the locking block (14) in a rotating mode through the clamping pin (13).
3. The well testing flange screw tightening device according to claim 2, characterized in that: the stop handle (12) is provided with a through groove (16), the movable pliers (2) penetrate through the through groove (16), the holding section (5) is fixed with a limiting screw (17), and the limiting screw (17) is located above the rack (11).
4. The well testing flange screw tightening device according to claim 2, characterized in that: and a limiting screw (18) used for limiting the stop handle (12) is fixed at the lower part of the holding section (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020009031.4U CN211940740U (en) | 2020-01-03 | 2020-01-03 | Well testing flange screw tightening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020009031.4U CN211940740U (en) | 2020-01-03 | 2020-01-03 | Well testing flange screw tightening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211940740U true CN211940740U (en) | 2020-11-17 |
Family
ID=73182138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020009031.4U Active CN211940740U (en) | 2020-01-03 | 2020-01-03 | Well testing flange screw tightening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211940740U (en) |
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2020
- 2020-01-03 CN CN202020009031.4U patent/CN211940740U/en active Active
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