CN111412819A - Seamless steel pipe internal diameter detection device - Google Patents
Seamless steel pipe internal diameter detection device Download PDFInfo
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- CN111412819A CN111412819A CN202010272961.3A CN202010272961A CN111412819A CN 111412819 A CN111412819 A CN 111412819A CN 202010272961 A CN202010272961 A CN 202010272961A CN 111412819 A CN111412819 A CN 111412819A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/08—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters
- G01B5/12—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters internal diameters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
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- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a seamless steel tube inner diameter detection device, which belongs to the field of seamless steel tube processing and comprises a clamping positioning body and a cone, wherein the clamping positioning body is used for clamping and positioning a steel tube, the cone is provided with an equilateral triangle-shaped axial section, the middle part of the clamping positioning body is provided with a jack for the steel tube to pass through, the cone is coaxially arranged on one side of the clamping positioning body, the tip of the cone faces the clamping positioning body, a connecting slide rod which is parallel to the axis of the cone and is in sliding connection with the clamping positioning body is fixed on the edge of one side of the cone, which faces away from the clamping positioning body, a length scale is marked on one side of the cone along the generatrix of the cone, and the zero point of the length scale is positioned at. The invention has the advantages of convenient use, simple operation, detection efficiency improvement, better universality, wider application range and higher application value.
Description
Technical Field
The invention relates to the field of seamless steel pipe processing, in particular to a seamless steel pipe inner diameter detection device.
Background
Seamless steel pipes are steel pipes made of one piece of metal without seams on the surface, and are called seamless steel pipes. According to the production method, the seamless pipe is divided into a hot rolled pipe, a cold drawn pipe, an extruded pipe, a pipe jacking, and the like. The seamless steel pipe is divided into a round shape and a special shape according to the shape of a section, and the special-shaped pipe has various complex shapes such as a square shape, an oval shape, a triangular shape, a hexagonal shape, a melon seed shape, a star shape and a pipe with fins. The maximum diameter is up to 650mm, and the minimum diameter is 0.3 mm. Depending on the application, there are thick-walled pipes and thin-walled pipes. The seamless steel pipe is mainly used as a petroleum geology drill pipe, a cracking pipe for petrochemical industry, a boiler pipe, a bearing pipe, a high-precision structural steel pipe for automobiles, tractors and aviation, the seamless steel pipe is allowed to be used only when the inner diameter and the outer diameter of the seamless steel pipe meet the qualified requirements after production is finished, and most of the seamless steel pipes are measured by using vernier calipers at present. Each time the seamless steel pipe is used, the inner diameter of the seamless steel pipe needs to be measured, and then the inner diameter of the seamless steel pipe is finally determined to be qualified according to the specified size and the limit tolerance during the production of the seamless steel pipe. The operation is complicated, the inspection speed is slow, and the production efficiency is seriously restricted.
The patent with the publication number of CN 208671879U discloses a seamless steel tube inner diameter detection device, which comprises an upper limit measurement column and a lower limit measurement column which are detachably connected, wherein the upper limit measurement column and the lower limit measurement column are coaxial, the diameter of the upper limit measurement column is the same as the upper limit of the inner diameter of a measured steel tube, and the diameter of the lower limit measurement column is the same as the lower limit of the inner diameter of the measured steel tube. During the application, directly insert the device and locate the downthehole of survey steel pipe, in the limit size measurement post can insert and locate the steel pipe down, and in the limit size measurement post fails to insert and locates the steel pipe, the steel pipe is qualified, otherwise the steel pipe is all inequality, easy operation, convenient to use has solved the numerous lock of operation, and inspection speed is slow, seriously restricts production efficiency's problem, has convenient to use, easy operation, promotes detection efficiency's advantage. However, it has the following problems: when steel pipes of different specifications are measured, corresponding lower limit size measuring columns and upper limit measuring columns need to be replaced, and the universality is poor.
Disclosure of Invention
1. Technical problem to be solved
The invention aims to provide a seamless steel tube inner diameter detection device which has the advantages of convenience in use, simplicity in operation, detection efficiency improvement, better universality, wider application range and higher application value.
2. Technical scheme
In order to solve the problems, the invention adopts the following technical scheme:
the utility model provides a seamless steel pipe internal diameter detection device, is equilateral triangle's cone including the centre gripping location body and an axial section that are used for carrying out the centre gripping location to the steel pipe, the jack that supplies the steel pipe to pass is seted up at the middle part of the centre gripping location body, one side of the centre gripping location body is located to the cone coaxial type, just the pointed end of cone sets up towards the centre gripping location body, the cone is fixed with the axis that is on a parallel with the cone dorsad on the edgewise of centre gripping location body one side and with centre gripping location body sliding connection's connection slide bar, one side of cone is marked with the length scale along its generating line, and the zero point of length scale is located the pointed end of cone.
Furthermore, the clamping and positioning body is of a four-jaw chuck structure, a rotating disc which is coaxial with the jack and a driving gear and a clamping block which are respectively positioned at the two end sides of the disc are arranged in the clamping and positioning body, the jack penetrates through the middle part of the rotating disc, a driven gear ring meshed with the driving gear is arranged on one end face of the rotating disc facing the driving gear, a rotating handle penetrating to the outer side of the clamping positioning body is fixed on one end face of the driving gear, a driving thread is arranged on one end face of the rotating disc facing the clamping block, one side of the clamping and positioning body facing the cone is inserted with four clamping blocks positioned on the corresponding radial direction at equal intervals along the annular surface, a driven rack matched with the driving thread is arranged on one side of each clamping block facing the rotating disc, and a through hole for the corresponding clamping block to slide is formed in the shell of the clamping and positioning body; at least two fixed blocks are fixed on the outer side ring surface of the clamping and positioning body at equal intervals along the circumference of the clamping and positioning body, one side of the cone back to the clamping and positioning body is fixed with connecting slide bars in one-to-one correspondence with the fixed blocks, and the fixed blocks are provided with through holes for the corresponding connecting slide bars to pass through. Establish the centre gripping location body into four-jaw chuck type structure, in the application, after inserting the steel pipe into the jack, rotate the twist grip, can directly drive the driving gear and rotate, thereby can drive driven ring gear and rotate, the rotation disc rotates thereupon, it rotates to drive the initiative screw thread, thereby can drive driven rack and remove, make the grip block along corresponding through hole translation, four grip block synchronous motion, can grasp the steel pipe and fix a position it on the axis of centre gripping location body, be convenient for the cone coaxial type inserts in this steel pipe, satisfy the design requirement.
Furthermore, the two side surfaces of the clamping block, which are in contact with the two side walls of the through hole, are respectively fixed with a limiting sliding strip along the length direction, and the two side walls of the through hole are respectively provided with a limiting sliding chute matched with the corresponding limiting sliding strip. The cooperation of spacing draw runner and spacing spout can play the guide effect to the removal of grip block, still can prevent that the grip block from breaking away from the centre gripping location body from the terminal surface side of centre gripping location body.
Furthermore, a fixing plate with the end surface area larger than that of the circular surface area of the cone is fixed on one side of the cone, which faces away from the clamping and positioning body, and the connecting sliding rod is connected to the fixing plate. The fixing plate with larger end surface area is arranged for being connected with the connecting slide rod, so that the connecting slide rod can be prevented from occupying the cone, and the cone can be completely used for detecting the steel pipe; and a larger gap is reserved between the connecting slide rod and the cone, so that the steel pipe can be conveniently detected.
Further, the diameter of the circular face of the cone is not smaller than the diameter of the insertion hole. So that the steel pipes with the inner diameters within the aperture range of the jacks can be smoothly detected by the cones.
As an implementation mode of the scheme, the axes of the clamping and positioning body and the cone are horizontally arranged, and one side, opposite to the cone, of the corresponding clamping block at the bottom of the clamping and positioning body is connected with a fixed base through a connecting block. The fixing base can support the clamping positioning body, and when the fixing base is used, the fixing base is placed on the table board, so that the steel pipe in a horizontal state can be operated conveniently.
Furthermore, one end of the connecting sliding rod penetrating through the fixing block is fixedly provided with an anti-falling stop block with the width larger than the diameter of the through hole. The anticreep dog can avoid connecting the slide bar and break away from the fixed block to can stably maintain the coaxial relation of cone and centre gripping location body, be convenient for insert the cone in the steel pipe.
As another embodiment of the above scheme, the axes of the clamping and positioning body and the cone are vertically arranged, and an installation block for installing the clamping and positioning body in an overhead manner is fixed on the outer annular surface of the clamping and positioning body. The mounting block is used for erecting the clamping positioning body, so that one end of the steel pipe can be conveniently inserted into the clamping positioning body, and when the mounting block is applied, the mounting block is fixed on the edge of the table board, so that the steel pipe in a vertical state can be conveniently operated.
Further, one side of connecting the slide bar lower part is fixed with the blend stop, set up the through-hole that communicates and supply the blend stop to pass on the fixed block, the one end and the cone of connecting the sliding rod connection cone rotate to be connected, and the upper and lower side of rotating the junction all is equipped with the spacing splint of fixing on connecting the slide bar. The cone body can descend into the jack under the action of gravity in a natural state, so that the steel pipe is not convenient to clamp and position, the connecting slide rod is moved to enable the barrier strip to move to one side, facing the cone body, of the fixing block, and then the connecting slide rod is rotated to enable the barrier strip to be dislocated with the corresponding through hole, so that the cone body can be prevented from descending, and convenience is brought to the clamping and positioning operation of the steel pipe; when the cone is required to descend, the smooth descending of the cone can be realized only by rotating the connecting slide rod to enable the barrier strip to be aligned with the through hole.
3. Advantageous effects
(1) The steel pipe clamping and positioning device comprises a clamping and positioning body for clamping and positioning a steel pipe and a cone with an equilateral triangle-shaped axial section, wherein the cone is coaxially arranged on one side of the clamping and positioning body, one side of the cone is marked with a length scale along a generatrix thereof, and a zero point of the length scale is positioned at the tip of the cone. During the application, earlier carry out the centre gripping location to the steel pipe that awaits measuring with the centre gripping location body, at this moment, the steel pipe that awaits measuring is located the same axis with the cone, then promote the cone and make its as much as possible insert in the steel pipe, at this moment, the diameter that the position that cone and steel pipe port department laminated corresponds equals the internal diameter of steel pipe, and because the axial cross-section of cone is equilateral triangle for the distance between the tip that the position that cone and steel pipe port department laminated corresponds the node on the cone generating line and the cone equals the diameter that the position that cone and steel pipe port department laminated corresponds, then the scale on the position correspondence length scale of cone and steel pipe port department laminated is the internal diameter of steel pipe that awaits measuring promptly. The cone is suitable for measuring the steel pipe with the inner diameter not larger than the diameter of the circular end face of the cone, the detection of the steel pipe in the range does not need to replace parts, the universality is good, the application range is wide, and the application value is high.
(2) When the method is applied, the minimum limit value and the maximum limit value of the inner diameter numerical value corresponding to the qualified product can be marked obviously at the corresponding numerical value positions on the length scale in advance, after the cone is inserted into the steel pipe to be tested, if the joint position of the cone and the port of the steel pipe is positioned in the two marks and the range between the two marks, the product is qualified, and if the joint position is not in the range, the product is unqualified. The problems of complicated operation, low inspection speed and serious restriction on production efficiency are solved, and the device has the advantages of convenience in use, simplicity in operation and capability of improving detection efficiency.
In conclusion, the invention has the advantages of convenient use, simple operation, detection efficiency improvement, better universality, wider application range and higher application value.
Drawings
FIG. 1 is a schematic structural view in example 1 of the present invention;
FIG. 2 is a schematic structural view of section A-A of FIG. 1;
FIG. 3 is a schematic sectional view taken along a central plane corresponding to a plane in which the X-Z axes of the space coordinate system are located in example 1;
FIG. 4 is a schematic structural view in example 2 of the present invention;
fig. 5 is a schematic structural view of a section B-B in fig. 4.
Reference numerals: 1. a fixed base; 2. connecting a sliding rod; 3. a limiting chute; 4. a clamping block; 5. clamping the positioning body; 6. a jack; 7. an anti-drop stop block; 8. a fixed block; 9. rotating the handle; 10. a limiting slide bar; 11. a length scale; 12. a fixing plate; 13. a cone; 14. a driven gear ring; 15. active threads; 16. rotating the disc; 17. a driving gear; 18. a driven rack; 19. a port; 20. mounting blocks; 21. a limiting clamp plate; 22. and (6) blocking strips.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Example 1
As shown in figure 1 a seamless steel pipe internal diameter detection device, including the centre gripping location body 5 and an axial section cone 13 that is equilateral triangle that are used for carrying out the centre gripping location to the steel pipe, the jack 6 that supplies the steel pipe to pass is seted up at the middle part of the centre gripping location body 5, one side of the centre gripping location body 5 is located to cone 13 coaxial-type, just the pointed end of cone 13 sets up towards the centre gripping location body 5, cone 13 is fixed with the axis that is on a parallel with cone 13 and slide bar 2 with the connection of centre gripping location body 5 sliding connection on the edgewise of centre gripping location body 5 one side dorsad, one side of cone 13 is marked with length scale 11 along its generating line, and the zero point of length scale 11 is located the pointed end of cone 13.
In this embodiment, as shown in fig. 3, the holding and positioning body 5 is a four-jaw chuck type structure, a rotating disc 16 coaxially disposed with the insertion hole 6 and a driving gear 17 and a clamping block 4 respectively disposed at two end sides of the disc 16 are disposed inside the holding and positioning body 5, the insertion hole 6 penetrates through the middle of the rotating disc 16, a driven gear ring 14 engaged with the driving gear 17 is disposed on one end surface of the rotating disc 16 facing the driving gear 17, a rotating handle 9 penetrating to the outside of the holding and positioning body 5 is fixed to one end surface of the driving gear 17, a driving thread 15 is disposed on one end surface of the rotating disc 16 facing the clamping block 4, four clamping blocks 4 disposed in corresponding radial directions are inserted into one side of the holding and positioning body 5 facing the cone 13 at equal intervals along the annular surface thereof, a driven rack 18 adapted to the driving thread 15 is disposed on one side of each clamping block 4 facing the rotating disc 16, and the shell of the clamping and positioning body 5 is provided with a through hole for the corresponding clamping block 4 to slide; as shown in fig. 2, at least two fixing blocks 8 (four fixing blocks 8 are shown in the figure) are fixed on the outer side ring surface of the clamping and positioning body 5 at equal intervals along the circumference thereof, connecting slide bars 2 corresponding to the fixing blocks 8 one by one are fixed on one side of the cone 13 back to the clamping and positioning body 5, and through holes for the corresponding connecting slide bars 2 to pass through are formed in the fixing blocks 8. Establish centre gripping locating body 5 into four-jaw chuck type structure, in the application, after inserting the steel pipe into the jack, rotate twist grip 9, can directly drive driving gear 17 and rotate, thereby can drive driven ring gear 14 and rotate, the rotating disc 16 rotates along with it, drive initiative screw thread 15 and rotate, thereby can drive driven rack 18 and remove, make grip block 4 follow corresponding through hole translation, four grip block 4 synchronous motion, can grasp the steel pipe and fix a position it on the axis of centre gripping locating body 5, be convenient for the cone 13 coaxial type inserts in this steel pipe, satisfy the design requirement.
In this embodiment, the two side surfaces of the clamping block 4, which are in contact with the two side walls of the through hole, are respectively fixed with a limiting sliding strip 10 along the length direction thereof, and the two side walls of the through hole are respectively provided with a limiting sliding chute 3 which is matched with the corresponding limiting sliding strip 10. The cooperation of spacing draw runner 10 and spacing spout 3 can play the guide effect to the removal of grip block 4, still can prevent that the grip block from breaking away from centre gripping location body 5 from the terminal surface side of centre gripping location body 5.
In this embodiment, a fixing plate 12 with an end surface area larger than the circular surface area of the cone is fixed on the side of the cone 13 facing away from the clamping and positioning body 5, and the connecting slide rod 2 is connected to the fixing plate 12. The fixed plate 12 with a larger end surface area is arranged for being connected with the connecting slide rod 2, so that the connecting slide rod 2 can be prevented from occupying the cone 13, and the cone 13 can be completely used for detecting the steel pipe; and a large gap is reserved between the connecting slide rod 2 and the cone 13, so that the steel pipe can be conveniently detected.
In this embodiment, the diameter of the circular face of the cone 13 is not smaller than the diameter of the socket 6. So that the steel pipes with the inner diameters within the aperture range of the jack 6 can be smoothly detected by the cone 13.
In this embodiment, the axis level setting of centre gripping location body 5 and cone 13, the bottom of centre gripping location body 5 is located one side that corresponding grip block 4 dorsad cone 13 and is connected with unable adjustment base 1 through the connecting block. Unable adjustment base 1 can support centre gripping location body 5, during the application, places unable adjustment base 1 on the mesa, can be comparatively convenient operate the steel pipe of horizontality.
In this embodiment, an anti-drop stopper 7 with a width larger than the diameter of the through hole is fixed at one end of the connecting slide bar 2 penetrating through the fixing block 8. The anti-dropping stop block 7 can avoid the connecting slide rod 2 from being separated from the fixed block 8, thereby stably maintaining the coaxial relationship between the cone 13 and the clamping and positioning body 5 and facilitating the insertion of the cone 13 into the steel pipe.
Example 2
The present embodiment is different from embodiment 1 in that:
in this embodiment, as shown in fig. 4 and 5, the axes of the clamping and positioning body 5 and the cone 13 are vertically arranged, and a mounting block 20 for mounting the clamping and positioning body 5 in an overhead manner is fixed on the outer annular surface of the clamping and positioning body 5. The built on stilts centre gripping locating body 5 of installation piece 20 is convenient for insert the centre gripping locating body 5 inboard with the one end of steel pipe, and during the application, will install piece 20 and fix on the edge of mesa, can be comparatively convenient operate the steel pipe of vertical state.
In this embodiment, as shown in fig. 4 and 5, a barrier strip 22 is fixed on one side of the lower portion of the connecting slide bar 2, a through hole 19 for the barrier strip 22 to pass through is formed in the fixing block 8, one end of the connecting slide bar 2, which is connected with the cone 13, is rotatably connected with the cone 13, and a limiting clamp plate 21 fixed on the connecting slide bar 2 is arranged on each of the upper side and the lower side of the rotary connection. Because the cone 13 can descend into the jack 6 under the action of gravity in a natural state, the operation of clamping and positioning the steel pipe is inconvenient to carry out, the baffle strip 22 is moved to one side of the fixed block 8 facing the cone 13 by moving the connecting slide rod 2, and then the connecting slide rod 2 is rotated to ensure that the baffle strip 22 is dislocated with the corresponding through hole 19, so that the cone 13 can be prevented from descending, and the operation of clamping and positioning the steel pipe is facilitated; when the cone 13 is desired to be lowered, the smooth lowering of the cone 13 can be achieved by simply rotating the connecting rod 2 so that the stop strip 22 is aligned with the through opening 19.
Otherwise, the same procedure as in example 1 was repeated.
The specific action principle of the seamless steel pipe inner diameter detection device is as follows:
inserting a seamless steel pipe to be detected into the insertion hole 6 from one side of the clamping and positioning body 5 back to the cone 13 to the end face of the steel pipe, wherein the end face of the steel pipe is between the clamping and positioning body and the cone 13, then rotating the rotating handle 9 to directly drive the driving gear 17 to rotate and the driven gear ring 14 to rotate, and then rotating the rotating disc 16 to drive the driving thread 15 to rotate and drive the driven rack 18 to move, so that the clamping blocks 4 translate along corresponding through holes, the four clamping blocks 4 synchronously move until the steel pipe is clamped and positioned on the axis of the clamping and positioning body 5, namely, the clamping and positioning of the steel pipe are completed, and at the moment, the steel pipe is superposed with the axis of the cone 13; and then the cone 13 is pushed to be inserted into the steel pipe as much as possible, at the moment, the diameter corresponding to the joint position of the cone 13 and the port of the steel pipe is equal to the inner diameter of the steel pipe, and because the axial section of the cone 13 is in an equilateral triangle shape, the distance between the node of the joint position of the cone 13 and the port of the steel pipe, corresponding to the generatrix of the cone 13, and the tip of the cone 13 is equal to the diameter corresponding to the joint position of the cone 13 and the port of the steel pipe, and the scale on the length scale 11 corresponding to the joint position of the cone 13 and the port of the steel pipe is the inner diameter of. When the method is applied, the minimum limit value and the maximum limit value of the inner diameter numerical value corresponding to the qualified product can be marked on the corresponding numerical value positions on the length scale in advance, after the cone 13 is inserted into the steel pipe to be tested, if the joint position of the cone 13 and the port position of the steel pipe is positioned in the two marks and the range between the two marks, the product is qualified, and if the joint position is not in the range, the product is unqualified. The problems of complicated operation, low inspection speed and serious restriction on production efficiency are solved, and the method has the advantages of convenience in use, simplicity in operation and improvement on detection efficiency; and the cone 13 can be suitable for measuring the steel pipe with the inner diameter not larger than the diameter of the circular end face of the cone 13, the detection of the steel pipe in the range does not need to replace parts, the universality is better, the application range is wider, and the application value is higher.
The invention has the advantages of convenient use, simple operation, detection efficiency improvement, better universality, wider application range and higher application value.
It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that changes and modifications to the above embodiments are within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.
Claims (9)
1. The utility model provides a seamless steel pipe internal diameter detection device, its characterized in that, is equilateral triangle's cone (13) including centre gripping location body (5) and an axial section that are used for carrying out the centre gripping location to the steel pipe, jack (6) that supply the steel pipe to pass are seted up at the middle part of centre gripping location body (5), one side of centre gripping location body (5) is located to cone (13) coaxial-type, just the pointed end of cone (13) sets up towards centre gripping location body (5), cone (13) are fixed with the axis that is on a parallel with cone (13) and slide bar (2) of being connected with centre gripping location body (5) sliding connection on the edge of centre gripping location body (5) one side dorsad, one side of cone (13) is marked with length scale (11) along its generating line, and the pointed end that the zero point of length scale (11) is located cone (13).
2. The seamless steel pipe inner diameter detection device according to claim 1, wherein the clamping and positioning body (5) is of a four-jaw chuck type structure, a rotating disc (16) which is coaxial with the insertion hole (6) and a driving gear (17) and a clamping block (4) which are respectively located on two end sides of the disc (16) are arranged inside the clamping and positioning body (5), the insertion hole (6) penetrates through the middle of the rotating disc (16), a driven gear ring (14) which is meshed with the driving gear (17) is arranged on one end face, facing the driving gear (17), of the rotating disc (16), one end face of the driving gear (17) is fixedly provided with a rotating handle (9) which penetrates through the outer side of the clamping and positioning body (5), a driving thread (15) is arranged on one end face, facing the clamping block (4), of the clamping and positioning body (5) is inserted with four cone cones which are located on corresponding radial directions at equal intervals along the annular face of one side, facing the clamping and positioning body ( A driven rack (18) matched with the driving thread (15) is arranged on one side surface of each clamping block (4) facing the rotating disc (16), and a through hole for the corresponding clamping block (4) to slide is formed in the shell of the clamping positioning body (5); at least two fixed blocks (8) are fixed with along its border equidistant on the outside anchor ring of centre gripping location body (5), cone (13) one side of centre gripping location body (5) dorsad is fixed with the connecting slide bar (2) with fixed block (8) one-to-one, and sets up the through-hole that supplies corresponding connecting slide bar (2) to pass on fixed block (8).
3. The device for detecting the inner diameter of the seamless steel tube according to claim 2, wherein two side surfaces of the clamping block (4) contacting with two side walls of the through hole are respectively fixed with a limiting sliding strip (10) along the length direction, and the two side walls of the through hole are respectively provided with a limiting sliding groove (3) matched with the corresponding limiting sliding strip (10).
4. The inner diameter detection device of the seamless steel tube according to claim 2, wherein a fixing plate (12) with an end surface area larger than the circular surface area of the cone is fixed on one side of the cone (13) opposite to the clamping positioning body (5), and the connecting slide rod (2) is connected to the fixing plate (12).
5. The inside diameter inspection device of a seamless steel pipe according to claim 2, wherein the diameter of the circular face of the cone (13) is not smaller than the diameter of the insertion hole (6).
6. The device for detecting the inner diameter of the seamless steel pipe according to any one of claims 2 to 5, wherein the axes of the clamping and positioning body (5) and the cone (13) are horizontally arranged, and the bottom of the clamping and positioning body (5) is positioned on one side of the corresponding clamping block (4) back to the cone (13) and is connected with a fixed base (1) through a connecting block.
7. The inside diameter detection device of the seamless steel tube according to claim 6, wherein one end of the connecting slide bar (2) passing through the fixing block (8) is fixed with an anti-drop stop block (7) with a width larger than the diameter of the through hole.
8. The device for detecting the inner diameter of the seamless steel pipe according to any one of claims 2 to 5, wherein the axes of the clamping and positioning body (5) and the cone (13) are vertically arranged, and a mounting block (20) for mounting the clamping and positioning body (5) in an overhead manner is fixed on the outer annular surface of the clamping and positioning body (5).
9. The inside diameter detection device of the seamless steel tube according to claim 8, wherein a barrier strip (22) is fixed on one side of the lower portion of the connecting slide rod (2), a through hole (19) for communicating the through hole and allowing the barrier strip (22) to pass through is formed in the fixing block (8), one end of the connecting cone (13) of the connecting slide rod (2) is rotatably connected with the cone (13), and a limiting clamp plate (21) fixed on the connecting slide rod (2) is arranged on each of the upper side and the lower side of the rotary connection.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010272961.3A CN111412819A (en) | 2020-04-09 | 2020-04-09 | Seamless steel pipe internal diameter detection device |
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| CN202010272961.3A CN111412819A (en) | 2020-04-09 | 2020-04-09 | Seamless steel pipe internal diameter detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116499341A (en) * | 2023-06-30 | 2023-07-28 | 中国检验认证集团山东有限公司 | Computing device and method suitable for geometric quantity of rubber product |
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| US4536963A (en) * | 1983-08-29 | 1985-08-27 | Mitutoyo Mfg. Co., Ltd. | Digital indication type measuring machine |
| CN209503005U (en) * | 2019-02-01 | 2019-10-18 | 常州市联谊特种不锈钢管有限公司 | It is hydraulic to fix device with stainless steel seamless steel tube with precise inner diameter |
| CN110411310A (en) * | 2019-08-26 | 2019-11-05 | 昆山金力达机械科技有限公司 | A kind of A seating position detecting tool suitable for pump cover |
| CN210242662U (en) * | 2019-09-05 | 2020-04-03 | 中擎电机有限公司 | Auxiliary device for detecting inner diameter of motor |
| CN110542366A (en) * | 2019-09-29 | 2019-12-06 | 广西玉柴机器股份有限公司 | Measuring tool and measuring method for width and intersection of vertical through hole of cylinder cover |
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| CN116499341A (en) * | 2023-06-30 | 2023-07-28 | 中国检验认证集团山东有限公司 | Computing device and method suitable for geometric quantity of rubber product |
| CN116499341B (en) * | 2023-06-30 | 2023-09-05 | 中国检验认证集团山东有限公司 | Computing device and method suitable for geometric quantity of rubber product |
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Application publication date: 20200714 |