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CN-121990484-A - Adjustable positioning type well testing crown block

CN121990484ACN 121990484 ACN121990484 ACN 121990484ACN-121990484-A

Abstract

The invention discloses a positioning and adjusting type well testing overhead pulley, which particularly relates to the field of oil and gas field maintenance operation, and comprises a supporting seat, wherein a rotating shaft is arranged at the top of the supporting seat, a pulley is fixedly arranged on the outer wall of the rotating shaft, a supporting mechanism and a limiting mechanism are arranged on the outer wall of the pulley, the supporting mechanism can extrude and extend out of a plurality of supporting structures on the outer wall of the pulley to expand the outer wall range of the pulley, the limiting mechanism can limit the space of the pulley to avoid falling off when the pulley is used, a plurality of supporting blocks which can synchronously extend out are arranged on the outer wall of the pulley, the two sides of the bottom of the pulley synchronously extend out of a belt bracket, and two belt brackets drive roller wheels to respectively extend out, so that the supporting areas at the two sides of the bottom of the pulley are synchronously expanded, the rotating diameter of the pulley is increased, the detection equipment can be effectively accelerated when the detection equipment is rapidly taken out of the well, the required rotating period is shortened, and the test construction progress time is avoided.

Inventors

  • Yan Juanni
  • HU BEN
  • JIANG YONGXIN

Assignees

  • 咸阳西仪秦油石油设备有限公司

Dates

Publication Date
20260508
Application Date
20260319

Claims (8)

  1. 1. The utility model provides a but positioning adjustment formula well test sky pulley, includes supporting seat (1), the top of supporting seat (1) is provided with pivot (2), the outer wall fixed mounting of pivot (2) has pulley (3), a serial communication port, the outer wall of pulley (3) is provided with jack-up mechanism (4) and card limit mechanism (5), jack-up mechanism (4) can extrude and stretch out a plurality of bearing structure at the outer wall of pulley (3) and enlarge the outer wall scope of pulley (3), card limit mechanism (5) can restrict the space of pulley (3) and avoid droing when pulley (3) use, the bottom both sides of supporting seat (1) are provided with support mechanism (6), support the support scope of support mechanism (6) expandable pulley (3) bottom both sides.
  2. 2. The well testing sky pulley capable of being positioned and adjusted according to claim 1, wherein the jacking mechanism (4) comprises a plurality of limiting grooves (41) formed in the outer wall of the pulley (3), the limiting grooves (41) are arranged in an annular equidistant mode, jacking blocks (42) are slidably mounted on the inner walls of the limiting grooves (41), the tops of the jacking blocks (42) are arranged in an arc mode, the outer walls of the jacking blocks (42) are mutually attached to the outer wall of the pulley (3), clamping plates (43) are fixedly mounted on the outer wall of one side of the jacking blocks (42), flat limiting springs (44) are fixedly mounted on the outer walls of the clamping plates (43), and the flat limiting springs (44) are fixedly mounted on the inner walls of the pulley (3).
  3. 3. The well testing crown block capable of being positioned and adjusted according to claim 2, wherein bottoms of the jacking blocks (42) are arranged in an inclined state, one side of the bottoms of the jacking blocks (42) is provided with a squeezing plate (45), the squeezing plate (45) is slidably mounted on the outer wall of the pulley (3), and tops of the squeezing plates (45) are mutually attached to bottoms of the jacking blocks (42).
  4. 4. The well testing crown block capable of being positioned and adjusted according to claim 3, wherein one side of each of the plurality of squeezing plates (45) is fixedly provided with a same belt plate (46), the same belt plates (46) are arranged in a vertical state, the same belt plates (46) are arranged in a ring shape, the inner wall of the same belt plates (46) is in threaded connection with a rotating ring (47), the rotating ring (47) is rotatably arranged on the outer wall of the pulley (3), and a rotary table (48) is fixedly arranged on the outer wall of the rotating ring (47).
  5. 5. The positioning and adjusting type well testing crown block as claimed in claim 2, wherein the limiting mechanism (5) comprises a plurality of clamping grooves (51) formed in the outer wall of the block (3), the clamping grooves (51) are arranged in one-to-one correspondence with the jacking blocks (42), protruding blocks (52) are slidably mounted on the inner walls of the clamping grooves (51), the protruding blocks (52) are fixedly mounted on the outer wall of the jacking blocks (42), and the protruding blocks (52) penetrate through the outer wall of the block (3).
  6. 6. The positioning and adjusting type well testing crown block of claim 5, wherein an air bag pipe (53) is fixedly arranged at the top of each jacking block (42), the top of each air bag pipe (53) is higher than the top of each jacking block (42), one side of each air bag pipe (53) is communicated with an air duct (54), one side of each air duct (54) is communicated with an air cavity (55), the air cavities (55) are formed in the inner walls of the protruding blocks (52), piston plates (56) are slidably arranged on the inner walls of the air cavities (55), outer walls of the piston plates (56) are mutually attached to the inner walls of the air cavities (55), clamping strips (57) are fixedly arranged at the top of each piston plate (56), each clamping strip (57) penetrates through the top of each protruding block (52), and each clamping strip (57) is in an arc shape.
  7. 7. The positioning and adjusting type well testing crown block of claim 4, wherein the supporting mechanism (6) comprises a pushing plate (61) arranged on one side of the bottom of the same band plate (46), the pushing plate (61) is arranged in a vertical state, the outer wall of the pushing plate (61) is mutually attached to the outer wall of the same band plate (46), a pushing block (62) is fixedly arranged on one side of the pushing plate (61), and the pushing block (62) is slidably arranged on the outer wall of the supporting seat (1).
  8. 8. The positioning and adjusting type well testing crown block of claim 7, wherein one side of the push block (62) is in a triangular shape, two side outer walls of the push block (62) are respectively provided with a belt bracket (63), the two belt brackets (63) are slidably mounted on the outer walls of the supporting seat (1), the outer walls of the two belt brackets (63) are mutually attached to the outer walls of the push block (62), a stretching spring (64) is fixedly mounted on the outer walls of the two belt brackets (63), one side of the two belt brackets (63) is respectively and rotatably provided with a roller wheel (65), the two roller wheels (65) are symmetrically arranged, and the outer walls of the two roller wheels (65) are mutually matched with two sides of the pulley (3).

Description

Adjustable positioning type well testing crown block Technical Field The invention relates to the technical field of oil and gas field maintenance operation, in particular to a positioning and adjusting type well testing crown block. Background The well test is based on seepage theory, monitors the dynamic and static states of oil, gas and water wells by using various well test equipment and test instruments, and provides reliable basis for the exploration and development of oil and gas fields by using the obtained well test data to explain and analyze various physical parameters of hydrocarbon reservoirs and the production capacity of the oil, gas and water wells. But in the use of well testing equipment, owing to lack the structure that can enlarge the space pulley volume fast in prior art and reach improvement rotation effect and hoist speed, when the space pulley assembly need take out the detection equipment fast from the well promptly, only can passive rotational speed through pulley itself take out, and whole process can't carry out the speed up, and the rotation period that the pulley needs is long, influences test construction progress time. In view of the technical drawbacks described above, a solution is now provided. Disclosure of Invention The invention provides a positioning and adjusting type well testing crown block, which aims to solve the technical problems in the background technology. The invention provides a positioning and adjusting type well testing crown block, which comprises a supporting seat, wherein a rotating shaft is arranged at the top of the supporting seat, a block is fixedly arranged on the outer wall of the rotating shaft, a supporting mechanism and a clamping and limiting mechanism are arranged on the outer wall of the block, the supporting mechanism can extrude and extend out of a plurality of supporting structures on the outer wall of the block to expand the outer wall range of the block, the clamping and limiting mechanism can limit the space of the block to avoid falling off when the block is used, supporting mechanisms are arranged on two sides of the bottom of the supporting seat, and the supporting mechanisms can expand the supporting range of two sides of the bottom of the block. In a preferred embodiment, the jacking mechanism comprises a plurality of limit grooves formed in the outer wall of the pulley, wherein the limit grooves are arranged in an annular equidistant manner, the inner walls of the limit grooves are slidably provided with jacking blocks, the tops of the jacking blocks are arc-shaped, the outer walls of the jacking blocks are mutually attached to the outer wall of the pulley, a clamping plate is fixedly arranged on one side outer wall of the jacking blocks, a flat limiting spring is fixedly arranged on the outer wall of the clamping plate, and the flat limiting spring is fixedly arranged on the inner wall of the pulley. In a preferred embodiment, the bottoms of the jacking blocks are arranged in an inclined state, a plurality of belt squeezing plates are arranged on one side of the bottoms of the jacking blocks, the belt squeezing plates are slidably mounted on the outer wall of the pulley, and the tops of the belt squeezing plates are mutually attached to the bottoms of the jacking blocks. In a preferred embodiment, a plurality of one sides of the band squeezing plates are fixedly provided with the same band plate, the same band plate is arranged in a vertical state, the same band plate is arranged in an annular mode, the inner wall of the same band plate is in threaded connection with a transfer ring, the transfer ring is rotatably arranged on the outer wall of the pulley, and the outer wall of the transfer ring is fixedly provided with a rotary table. In a preferred embodiment, the limiting mechanism comprises a plurality of clamping grooves formed in the outer wall of the pulley, the clamping grooves and the jacking blocks are arranged in a one-to-one correspondence mode, protruding blocks are slidably mounted on the inner walls of the clamping grooves, the protruding blocks are fixedly mounted on the outer wall of the jacking blocks, and the protruding blocks penetrate through the outer wall of the pulley. In a preferred embodiment, the top fixed mounting of a plurality of jacking piece has the gasbag pipe, the level at gasbag pipe top is higher than the level at jacking piece top, one side intercommunication of gasbag pipe has the air duct, one side intercommunication of air duct has the air cavity, the inner wall at stretching the lug is seted up to the air cavity, the inner wall slidable mounting of air cavity has the piston board, the outer wall of piston board is laminated each other with the inner wall of air cavity, the top fixed mounting of piston board has the card strip, the card strip runs through the top of stretching the lug, the card strip is the arc setting. In a preferred embodiment, the supporting mechanism comprises a push p