disclosure of Invention
The invention aims to: in order to solve the problem that the gland step depth of the subsea tree cannot be adjusted and the detection effect is poor, the gauge is provided.
The technical scheme adopted by the invention is as follows: a device for detecting the depth of a gland step of an underwater Christmas tree comprises the gland step of the underwater Christmas tree, a fixed rod, a reference component, a fixed frame of the detection device and a T-shaped support frame, wherein the top of the gland step of the underwater Christmas tree is fixedly connected with the reference component, the bottom end of the reference component is connected with the top end of the gland step of the underwater Christmas tree, the middle position of the reference component is connected with the fixed rod in a penetrating way, the outer side of the fixed rod is connected with the inner side of the reference component, the middle inner wall of the front of the fixed rod is embedded and connected with a threaded fixing hole, the outer side of the threaded fixing hole is connected with the middle inner wall of the front of the fixed rod, the bottoms of two ends of the fixed rod and the bottom of the fixed rod are fixedly connected with clamping blocks, the inner side of the clamping blocks is connected with the tops and the bottoms of two, the middle two sides of the fixed rod are connected with a checking fixture fixing frame in a nested manner, the middle part of the interior of the checking fixture fixing frame is connected with the middle two side parts of the fixed rod, a movable knob is embedded and connected into the front inner side of the checking fixture fixing frame, the outer side of the rear surface of the movable knob is connected with the inner wall of the front inner side of the checking fixture fixing frame, the inner side of the bottom end of the checking fixture fixing frame is fixedly connected with a T-shaped supporting frame, and the top end of the T-shaped supporting frame;
The damping device comprises a reference component, a limiting block, a transverse damping spring group, a fixed rod, a fixed pin and a movable groove, wherein the limiting block is fixedly connected to two inner sides of the reference component, the outer side of the limiting block is connected with two inner ends of the reference component, the middle part of the inner part of the reference component is fixedly connected with the transverse damping spring group, the outer side of the transverse damping spring group is connected with the middle part of the two inner ends of the reference component, the top end and the bottom end of the inner part of the reference component are fixedly connected with the vertical damping spring group, the outer side of the vertical damping spring group is connected with the top end and the bottom end of the inner part of the reference component, the inner wall of the other side of the fixed rod is embedded and connected with the movable groove, the;
The top and the bottom of the measuring and checking tool are connected with the checking tool fixing frame;
The inner top of the measuring and checking tool is fixedly connected with a storage disc, two ends of the storage disc are connected with the inner wall of the inner top of the measuring and checking tool, the middle position of the storage disc is movably connected with a measuring tape, the inner side of the measuring tape is connected with the outer side of the middle of the storage disc, the middle position of the measuring tape is embedded and connected with a scale mark, the inner side of the scale mark is connected with the outer side of the middle of the measuring tape, the top of the inner middle of the measuring and checking tool is fixedly connected with a winch, the outer sides of two ends of the winch are connected with the inner wall of the inner middle of the measuring and checking tool, two sides of the winch are movably connected with movable shafts, the inner sides of the movable shafts are connected with two sides of the winch, the inner wall of the middle of the winch is embedded and connected with a groove, the outer side of, the inner side of the top of the nylon belt is connected with the outer walls of the two sides of the winch, the outer side of the measuring and detecting tool is movably connected with a telescopic cylinder, the outer side of the telescopic cylinder is connected with the inner wall of the measuring and detecting tool, a spherical weight is embedded and connected at the bottom end of the measuring and detecting tool, and the outer side of the top of the spherical weight is connected with the inner wall of the bottom of the measuring and detecting tool.
The middle position of the measuring and checking tool is connected with a reading observation window in an embedded mode, and the outer side of the reading observation window is connected with the inner side of the measuring and checking tool.
The outer side of the T-shaped support frame is fixedly connected with an arc-shaped soft rubber, and the inner side of the arc-shaped soft rubber is connected with the outer side of the T-shaped support frame.
The bottom end of the reference component is fixedly connected with a rough layer, and the top end of the rough layer is connected with the bottom end of the reference component.
the outer side of the movable knob is connected with a rubber sleeve in an embedded mode, and the inner side of the rubber sleeve is connected with the outer side of the movable knob.
the two ends of the containing disc are fixedly connected with spring pieces, and the middle positions of the inner sides of the spring pieces are connected with the outer sides of the two ends of the containing disc.
The rubber layer is embedded and connected to the top surface of the spherical weight, and the inner side of the rubber layer is connected with the outer side of the top of the spherical weight.
The two reference components are arranged, the reference components are arranged on two side portions of the fixing rod, and the fixing rod is fixedly connected with the fixing rod.
the inspection device comprises an inspection device body, an inspection device fixing frame, a fixing rod and a fixing frame, wherein the number of the inspection device fixing frames is two, the inspection device fixing frames are arranged on two sides of the middle of the fixing device body, and the inspection device fixing frames are fixedly connected with the fixing rod.
The measuring and checking fixture comprises a measuring and checking fixture and a checking fixture fixing frame, wherein the number of the measuring and checking fixture is two, the measuring and checking fixture is arranged at one side part inside the checking fixture fixing frame, and the measuring and checking fixture is fixedly connected with the checking fixture fixing frame.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. In the invention, the reference component is arranged at two side parts of the fixed rod, the fixed rod is fixedly connected with the fixed rod, the reference component can support the whole checking tool at the top end of the underwater Christmas tree gland step and can also improve the stability of fixing of the fixed rod, when the checking tool is placed at the top end of the underwater Christmas tree gland step, the whole checking tool is supported through the bottom end of the reference component, one side of the fixed rod in the reference component is fixedly connected with the threaded fixing hole through the fixed threaded rod, the other side of the fixed rod is fixedly connected with the movable groove through the fixed pin, so that the fixed rod is stably fixed in the reference component, the block on the fixed rod can be blocked by the limiting block to avoid the fixed rod from being separated from the whole checking tool, and when the fixed rod shakes, the shaking force is buffered through the transverse damping spring group and the vertical, the stability of examining the utensil fixed has effectually been improved.
2. In the invention, the checking fixture fixing frame is arranged at two sides of the middle of the fixing frame and is fixedly connected with the fixing rod, a part measured by the checking fixture can be fixed by the checking fixture fixing frame, and the measured position is adjusted so that the gauge can measure a plurality of places of the gland steps of the subsea tree, when the gauge is used, the fixed threaded rod on the gauge fixing frame is unscrewed to move the gauge fixing frame on two sides of the middle of the fixed rod, so that points at different positions of the steps of the gland of the underwater Christmas tree are measured, the fixture fixing frame is fixed by connecting the fixed threaded rod with the threaded fixing hole, and the inclined wall of the pressing cover step of the underwater Christmas tree is supported by the T-shaped support frame, so that the measurement fixture can be ensured to accurately measure, and can also carry out the shock attenuation to the dead lever and fix, the effectual functional diversity who improves examine a mount.
3. In the invention, the measuring and checking tool is arranged at one side part inside the checking tool fixing frame and is fixedly connected with the checking tool fixing frame, the measuring and checking tool can extend to measure the step height of the underwater Christmas tree gland step and can also shrink and store, when the measuring and checking tool is used for measuring, a spherical weight vertically moves downwards at the inner side of the underwater Christmas tree gland step under the action of gravity, the measuring tape and two nylon tapes are pulled downwards by the spherical weight, when the spherical weight reaches the bottom end of the step of the underwater Christmas tree gland step, the reading of a scale mark on the measuring tape is observed through a reading observation window, the step height measured by the underwater Christmas tree gland step can be measured, after the measuring is finished, the checking tool shrinks and stores, the movable knobs are rotated to enable the winches to wind the nylon tapes on two sides of the winches, measure the tape measure under the contractile force of the spring leaf of storage disc both sides for the storage disc will measure the tape measure and curl the shrink, and the telescopic cylinder that measures simultaneously on examining the utensil contracts to the inside of examining a utensil mount, and the rubber of measuring the bottom both ends of examining the utensil is buckled and is examined the fixed slot on the inner wall of a side of a mount bottom and be connected, accomplishes fixedly with this, and will measure and examine the utensil and contract the save, has effectually saved and has examined the space that the utensil was placed the save.
drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a schematic cross-sectional view of a reference part according to the present invention;
FIG. 4 is a schematic diagram of a sectional structure of a fixture mount of the present invention;
FIG. 5 is a schematic diagram of a cross-sectional structure of the measuring gauge of the present invention.
The labels in the figure are: 1. the device comprises an underwater Christmas tree gland step, 2, a fixed rod, 3, a reference component, 4, a detection tool fixing frame, 5, a T-shaped support frame, 6, a clamping block, 7, a thread fixing hole, 8, arc-shaped soft rubber, 9, a movable shaft, 10, a movable knob, 11, a fixed threaded rod, 12, a measurement detection tool, 13, a reading observation window, 14, a transverse damping spring group, 15, a vertical damping spring group, 16, a fixed pin, 17, a winch, 18, a movable groove, 19, a rough layer, 20, a limiting block, 21, a rubber sleeve, 22, a groove, 23, a measurement tape, 24, a scale mark, 25, a spring piece, 26, a containing disc, 27, a nylon belt, 28, a telescopic cylinder, 29, a rubber layer, 30 and a spherical weight.
Detailed Description
in order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred apparatus or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-5, the present invention provides a technical solution: a device for detecting the depth of a gland step of an underwater Christmas tree comprises an underwater Christmas tree gland step 1, a fixed rod 2, a reference part 3, a detection device fixing frame 4 and a T-shaped supporting frame 5, wherein the top of the underwater Christmas tree gland step 1 is fixedly connected with the reference part 3, the bottom end of the reference part 3 is connected with the top end of the underwater Christmas tree gland step 1, the middle position of the reference part 3 is connected with the fixed rod 2 in a penetrating way, the outer side of the fixed rod 2 is connected with the inner side of the reference part 3, the front middle inner wall of the fixed rod 2 is embedded and connected with a threaded fixing hole 7, the outer side of the threaded fixing hole 7 is connected with the front middle inner wall of the fixed rod 2, the bottoms and the bottoms of two ends of the fixed rod 2 are fixedly connected with clamping blocks 6, the inner side of the clamping blocks 6 is connected with, the rear outer side of a fixed screw rod 11 is connected with the front middle inner wall of a reference part 3, two sides of the middle of a fixed rod 2 are connected with a checking fixture fixing frame 4 in a nesting mode, the middle part of the inside of the checking fixture fixing frame 4 is connected with the middle two sides of the fixed rod 2, a movable knob 10 is embedded and connected into the front inner side of the checking fixture fixing frame 4, the rear outer side of the movable knob 10 is connected with the front inner side inner wall of the checking fixture fixing frame 4, a T-shaped support frame 5 is fixedly connected to the bottom inner side of the checking fixture fixing frame 4, and the top end of the T-shaped;
The inner two sides of the reference component 3 are fixedly connected with limiting blocks 20, the outer sides of the limiting blocks 20 are connected with the inner two ends of the reference component 3, the inner middle part of the reference component 3 is fixedly connected with a transverse damping spring group 14, the outer side of the transverse damping spring group 14 is connected with the middle part of the inner two ends of the reference component 3, the inner top end and the bottom end of the reference component 3 are fixedly connected with a vertical damping spring group 15, the outer side of the vertical damping spring group 15 is connected with the inner top end and the bottom end of the reference component 3, the inner wall of the other side of the fixed rod 2 is connected with a movable groove 18 in an embedded mode, the outer side of the movable groove 18 is connected with the inner wall of the other side of the fixed rod 2, the middle position of the inner other end of the reference;
A measuring gauge 12 is fixedly connected to one side inside the gauge fixing frame 4, and the top and the bottom of the measuring gauge 12 are connected with the gauge fixing frame 4;
The inner top of the measuring and checking tool 12 is fixedly connected with a storage disc 26, two ends of the storage disc 26 are connected with the inner wall of the inner top of the measuring and checking tool 12, the middle position of the storage disc 26 is movably connected with a measuring tape 23, the inner side of the measuring tape 23 is connected with the outer side of the middle of the storage disc 26, the middle position of the measuring tape 23 is embedded and connected with a scale mark 24, the inner side of the scale mark 24 is connected with the outer side of the middle of the measuring tape 23, the inner top of the inner middle of the measuring and checking tool 12 is fixedly connected with a winch 17, the outer sides of two ends of the winch 17 are connected with the inner wall of the inner middle of the measuring and checking tool 12, two sides of the winch 17 are movably connected with a movable shaft 9, the inner side of the movable shaft 9 is connected with two sides of the winch 17, the inner wall of the middle of the winch 17 is embedded, the top inboard of nylon belt 27 links to each other with the both sides outer wall of capstan winch 17, and the outside swing joint of measuring utensil 12 has a telescopic cylinder 28, and the outside of telescopic cylinder 28 links to each other with the inner wall of measuring utensil 12, and the bottom embedding of measuring utensil 12 is connected with spherical heavy object 30, and the top outside of spherical heavy object 30 links to each other with the bottom inner wall of measuring utensil 12.
Wherein, the intermediate position embedding of measuring and examining utensil 12 is connected with reading observation window 13, the outside of reading observation window 13 links to each other with the inboard of measuring and examining utensil 12, use when examining the utensil to the height of christmas tree gland step 1 under water and measure at the staff, need carry out the reading to measured data, observation window 13 can shelter from the reading position of examining the utensil, observation window 13 is transparent plastic layer, can block the impurity of external environment, make the staff carry out the reading through transparent plastics observation window, avoid examining the reading position of utensil and make the staff see unclear measurement reading of examining the utensil because of impurity shelters from, the effectual efficiency that improves christmas tree gland step height measurement work under water.
Wherein, the outer side of the T-shaped support frame 5 is fixedly connected with an arc soft rubber 8, the inner side of the arc soft rubber 8 is connected with the outer side of the T-shaped support frame 5, when the worker measures the height of the gland step of the subsea tree, the worker having a less experienced measurement may insert the measurement part into the sloped wall of the gland step of the subsea tree, so that the measured data has errors with the accurate data, the T-shaped support frame 5 can support the inclined wall of the T-shaped support frame 5 to enable the measuring part of the measuring tool to contact with the bottom end of the step of the gland of the underwater Christmas tree for measurement, the T-shaped support frame 5 can be isolated from the inclined wall of the step of the gland of the underwater Christmas tree by the arc-shaped soft rubber 8, the T-shaped support frame 5 is protected, the T-shaped support frame 5 is prevented from colliding with an inclined wall, the T-shaped support frame 5 is damaged, and the integrity of the T-shaped support frame 5 is effectively improved.
Wherein, the bottom fixedly connected with coarse layer 19 of benchmark part 3, the top of coarse layer 19 links to each other with the bottom of benchmark part 3, when will examining the top of examining the utensil and placing at christmas tree gland step under water and carry out the step height measurement, the bottom of benchmark part 3 can with the marginal contact on christmas tree gland step top under water, coarse layer 19 can increase the frictional force of christmas tree gland step top under water and 3 bottoms of benchmark part, make benchmark part 3 have bigger land fertility, it is more stable to make to examine the utensil and fix on christmas tree gland step under water, the effectual fixed skid resistance of examining the utensil that has improved.
Wherein, the outside nested connection of activity knob 10 has rubber sleeve 21, the inboard of rubber sleeve 21 links to each other with the outside of activity knob 10, examine after the high measurement to subsea production tree gland step, need rotate activity knob 10 and will measure and examine a 12 and contract, rubber sleeve 21 can closely laminate with activity knob 10, when making operating personnel rotate activity knob 10 through the hand, can not take place the condition that hand and activity knob 10 skidded, the effectual speed of examining 12 contractions of measuring that has improved.
wherein, the both ends fixedly connected with spring leaf 25 of storage disc 26, the inboard intermediate position of spring leaf 25 links to each other with the both ends outside of storage disc 26, examine the utensil and adopted soft tape measure, when measuring, can not be too high need carry the volume and length very long and for the dipperstick of stereoplasm because of the height of subsea tree gland step, spring leaf 25 can be when measuring tape 23 and carry out the shrink through shrink disc 26 and curl, provide the power that curls to the internalization, make and measure the curling on storage disc 26 that tape 23 can be orderly, the effectual convenience of examining the utensil and accomodating the save that has improved.
wherein, the top surface embedding of spherical heavy object 30 is connected with rubber layer 29, the inboard of rubber layer 29 links to each other with the top outside of spherical heavy object 30, examine through measuring when examining 12 highly measure the Christmas tree gland step under water spherical heavy object 30 on measuring 12 can be under the effect of gravity vertical downstream, and contact with Christmas tree gland step bottom under water, rubber layer 29 can wrap up the top surface of spherical heavy object 30, make spherical heavy object 30 cushion the power of colliding when touchhing the side of Christmas tree gland step under water, make spherical heavy object 30 can not skew the measuring point of Christmas tree gland step bottom under water, the effectual accuracy of examining the utensil measured data that has improved.
Wherein, the reference parts 3 are provided with two, the reference parts 3 are arranged at the two side parts of the fixed rod 2, the fixed rod 2 is fixedly connected with the fixed rod 2, the reference part 3 can support the whole checking tool at the top end of the underwater Christmas tree gland step and can also improve the fixing stability of the fixed rod 2, when the checking tool is placed at the top end of the underwater Christmas tree gland step 1, the whole checking tool is supported through the bottom end of the reference part 3, one side of the fixed rod 2 in the reference part 3 is fixedly connected with the thread fixing hole 7 through the fixed threaded rod 11, the other side of the fixed rod 2 is fixedly connected with the movable groove 18 through the fixed pin 16, so that the fixed rod 2 is stably fixed in the reference part 3, the limit block 20 can block the fixture block 6 on the fixed rod 2, the fixed rod 2 is prevented from being separated from the whole checking tool, when the, through horizontal damping spring group 14 and vertical damping spring group 15 to the power of rocking buffering, the effectual fixed stability of utensil of having improved.
wherein, two gauge fixing frames 4 are arranged, the gauge fixing frames 4 are arranged at two sides of the middle of the fixing frame 2, the gauge fixing frames 4 are fixedly connected with the fixing rod 2, the gauge fixing frames 4 can fix parts measured by the gauge and adjust the measured parts so as to be convenient for the gauge to measure a plurality of places of the underwater Christmas tree gland step 1, when the gauge is used, the gauge fixing frames 4 are moved at two sides of the middle of the fixing rod 2 by unscrewing the fixed threaded rods 11 on the gauge fixing frames 4, the points at different positions of the underwater Christmas tree gland step 1 are measured, the gauge fixing frames 4 are fixed by connecting the fixed threaded rods 11 with the threaded fixing holes 7, the inclined wall of the underwater Christmas tree gland step 1 is supported by the T-shaped supporting frame 5, the gauge 12 can be ensured to be accurately measured, and the fixing rod 2 can be damped and fixed, the functional diversity of examining utensil mount 4 has effectually been improved.
Wherein, the measuring and checking tools 12 are provided with two, the measuring and checking tool 12 is arranged at one side part inside the checking tool fixing frame 4, the measuring and checking tool 12 is fixedly connected with the checking tool fixing frame 4, the measuring and checking tool 12 can extend to measure the step height of the gland step 1 of the underwater Christmas tree and can also shrink and store, when the measuring is carried out by the measuring and checking tool 12, under the action of gravity, the spherical weight 30 vertically moves downwards at the inner side of the gland step 1 of the underwater Christmas tree, the spherical weight 30 pulls the measuring tape 23 and the two nylon tapes 27 downwards, when the spherical weight 30 reaches the bottom end of the gland step 1 of the underwater Christmas tree, the reading of a scale line 24 on the measuring tape 23 is observed through the reading observation window 13, the step height measured by the gland step 1 of the underwater Christmas tree can be measured, after the measuring is finished, the checking tool shrinks and stores, by rotating the movable knob 10, make capstan winch 17 with the rolling of nylon belt 27 in capstan winch 17's both sides, measure tape 23 under the contractile force of the spring leaf 25 of storage disc 26 both sides, make storage disc 26 will measure tape 23 and curl the shrink, measure simultaneously and examine the inside that telescopic cylinder 28 on 12 contracts to examining a mount 4, the rubber of measuring the bottom both ends of examining 12 is buckled and is examined the fixed slot on the inner wall of mount 4 bottom one side and be connected, accomplish fixedly with this, and will measure and examine 12 contract and preserve, the effectual space of placing the save of examining is examined to have saved.
The working principle is as follows: firstly, the checking fixture is fixed at the top end of an underwater Christmas tree gland step 1 through a reference part 3, the bottom end of the reference part 3 is fixedly connected with a rough layer 19, the top end of the rough layer 19 is connected with the bottom end of the reference part 3, when the checking fixture is placed at the top end of the underwater Christmas tree gland step for measuring the step height, the bottom end of the reference part 3 can be contacted with the edge of the top end of the underwater Christmas tree gland step, the rough layer 19 can increase the friction force between the top end of the underwater Christmas tree gland step and the bottom end of the reference part 3, so that the reference part 3 has higher ground gripping force, the checking fixture is more stably fixed on the underwater Christmas tree gland step, and the fixed skid resistance of the checking fixture is effectively improved;
Then, the fixed position of the reference component 3 is adjusted through the fixed threaded rod 11, two reference components 3 are arranged, the reference components 3 are arranged at two side parts of the fixed rod 2, the fixed rod 2 is fixedly connected with the fixed rod 2, the reference component 3 can integrally support the checking fixture at the top end of the underwater Christmas tree gland step and can also improve the fixing stability of the fixed rod 2, when the checking fixture is placed at the top end of the underwater Christmas tree gland step 1, the whole checking fixture is supported through the bottom end of the reference component 3, one side of the fixed rod 2 in the reference component 3 is fixedly connected with the threaded fixing hole 7 through the fixed threaded rod 11, the other side of the fixed rod 2 is fixedly connected with the movable groove 18 through the fixed pin 16, so that the fixed rod 2 is stably fixed in the reference component 3, and the limiting block 20 can block the fixture block 6 on the fixed rod 2, the fixing rod 2 is prevented from being separated from the whole checking fixture, when the fixing rod 2 shakes, the shaking force is buffered through the transverse damping spring group 14 and the vertical damping spring group 15, and the fixing stability of the checking fixture is effectively improved;
Then, when the T-shaped support frame 5 is detected to be damaged, the outer side of the T-shaped support frame 5 is fixedly connected with an arc-shaped soft rubber 8, the inner side of the arc-shaped soft rubber 8 is connected with the outer side of the T-shaped support frame 5, when the worker measures the height of the gland step of the subsea tree, the worker having a less experienced measurement may insert the measurement part into the sloped wall of the gland step of the subsea tree, so that the measured data has errors with the accurate data, the T-shaped support frame 5 can support the inclined wall of the T-shaped support frame 5 to enable the measuring part of the measuring tool to contact with the bottom end of the step of the gland of the underwater Christmas tree for measurement, the T-shaped support frame 5 can be isolated from the inclined wall of the step of the gland of the underwater Christmas tree by the arc-shaped soft rubber 8, the T-shaped support frame 5 is protected, the T-shaped support frame 5 is prevented from colliding with an inclined wall, the T-shaped support frame 5 is damaged, and the integrity of the T-shaped support frame 5 is effectively improved;
subsequently, the position of the checking fixture fixing frame 4 is adjusted, two checking fixture fixing frames 4 are arranged, the checking fixture fixing frames 4 are arranged on two sides of the middle of the fixing frame 2, the checking fixture fixing frame 4 is fixedly connected with the fixing rod 2, parts measured by the checking fixture can be fixed by the checking fixture fixing frame 4, the measured parts are adjusted, so that the checking fixture can measure multiple places of the underwater Christmas tree gland step 1, when the checking fixture is used, the checking fixture fixing frame 4 can move on two sides of the middle of the fixing rod 2 by unscrewing the fixing threaded rod 11 on the checking fixture fixing frame 4, the points of different positions of the underwater Christmas tree gland step 1 are measured, the checking fixture fixing frame 4 is fixed by connecting the fixing threaded rod 11 with the threaded fixing hole 7, the inclined wall of the underwater Christmas tree gland step 1 is supported by the T-shaped support frame 5, and the accurate measurement of the checking fixture 12 can be ensured, the fixing rod 2 can be damped and fixed, and the functional diversity of the fixture fixing frame 4 is effectively improved;
Finally, the measurement is carried out through the measurement gauge 12, the measurement gauge 12 is provided with two, the measurement gauge 12 is arranged at one side part inside the gauge fixing frame 4, the measurement gauge 12 is fixedly connected with the gauge fixing frame 4, the measurement gauge 12 can extend to measure the step height of the gland step 1 of the underwater Christmas tree and can also be contracted for storage, when the measurement is carried out through the measurement gauge 12, under the action of gravity, the spherical weight 30 vertically moves downwards at the inner side of the gland step 1 of the underwater Christmas tree, the spherical weight 30 pulls the measurement tape 23 and the two nylon tapes 27 downwards, when the spherical weight 30 reaches the bottom end of the step of the gland step 1 of the underwater Christmas tree, the reading of the scale 24 on the measurement tape 23 is observed through the reading observation window 13, the step height measured by the gland step 1 of the underwater Christmas tree can be measured, after the measurement is finished, the gauge is contracted and stored, the movable knob 10 is rotated, the nylon belt 27 is wound on the two sides of the winch 17 by the winch 17, the measuring tape 23 is under the contraction force of the spring pieces 25 on the two sides of the containing disc 26, the containing disc 26 is used for curling and contracting the measuring tape 23, meanwhile, the telescopic cylinder 28 on the measuring gauge 12 is contracted into the gauge fixing frame 4, the rubber buckles at the two ends of the bottom of the measuring gauge 12 are connected with the fixing grooves in the inner wall of one side of the bottom end of the gauge fixing frame 4, fixing is completed, the measuring gauge 12 is contracted and stored, the storage space of the measuring gauge is effectively saved, and the working principle of the underwater Christmas tree gland step depth gauge is realized.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.