CN208349992U - A kind of detection device of cold tube rolling internal diameter - Google Patents

Abstract

The utility model relates to parts measurement technical fields, and disclose a kind of detection device of cold tube rolling internal diameter, including cold tube rolling, bottom plate is connected in the middle part of the cold tube rolling inner cavity, the both ends of the bottom plate side are fixedly installed with fixed plate, two fixed plates are fixedly connected with the both ends of connection strap respectively by screw, and connection strap is located between two fixed plates, and screw thread axle sleeve is fixedly installed in the middle part of the connection strap.The detection device of the cold tube rolling internal diameter, it is flexibly connected by detection wheel with cold tube rolling inner wall, drive pulling needle around the front sliding shipped and resell on another market along dial, pointer Slideslip in dial upper sliding slot is driven to obtain the angle value that need to be surveyed, the internal diameter of one section of cold tube rolling can be acquired by angle value, along with roller diameter and the width of fixed plate can accurately calculate the internal diameter of surveyed cold tube rolling, avoids using general measure tool bring limitation, improve the reasonability of device.

Description

A kind of detection device of cold tube rolling internal diameter

Technical field

The utility model relates to parts measurement technical field, specially a kind of detection device of cold tube rolling internal diameter.

Background technique

Cold tube rolling is the dimensional accuracy height and surface smoothness for accurate machine construction, hydraulic device or reinforced bar sleeve A kind of good seamless steel pipe, cold tube rolling any surface finish, accurate size, functional, section configuration is more, metal utilization is high, It is widely used in the fields such as defence and military, machinery, mine, chemical industry, electric power, agricultural machinery, cold tube rolling will pass through after production Measurement, inspection could formally put into formal production and in use, and measure steel pipe and usually require to use a variety of measuring tools.

But testing staff is generally required using general measure tool, hand is reached into inspection positions inside surveyed cold tube rolling It can just measure, inconvenient, making pipe diameter in the detection process, deformation occurs, influences the accuracy of detection, makes There is limitation with general measure tool bring measured zone, surveyed cold tube rolling inner wall burr that may be present can not be handled, It can not more accurately measure.

Utility model content

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provides a kind of detection device of cold tube rolling internal diameter, has inspection The advantages that survey mode is simple and easy to operate, and measurement accuracy is high, will not damage to measurement part, and the range of measurement is big, solves Surveyed part production process kind is likely to form burr, influences measurement accuracy, can only measurement arm in one's power go out internal diameter, measurement range It is small, the confidence level of measurement is influenced, excessive compression part in some measuring tool measurement process, the problem of influencing measurement accuracy.

(2) technical solution

To realize that above-mentioned detection mode is simple and easy to operate, measurement accuracy is high, will not damage to measurement part, measurement The big purpose of range, the utility model provide the following technical solutions: a kind of detection device of cold tube rolling internal diameter, including cold-rolled steel It manages, is connected with bottom plate in the middle part of the cold tube rolling inner cavity, the both ends of the bottom plate side are fixedly installed with fixed plate, Two fixed plates are fixedly connected with the both ends of connection strap respectively by screw, and connection strap is located between two fixed plates, Screw thread axle sleeve is fixedly installed in the middle part of the connection strap, the screw thread axle sleeve inner ring offers thread groove, and screw thread axle sleeve is logical Thread groove and telescopic rod screw thread to be crossed to be socketed, the other side of two fixed plates is movably installed with spring I, and the two of the spring I End extends through two fixed plates and is flexibly connected with the middle part of motion bar, and two motion bars are sequentially connected by spring I, and two One end of a motion bar is flexibly connected respectively by shipping and reselling on another market with the both ends of fixed plate, the other end of the motion bar by shipping and reselling on another market and Detection wheel pivot bush unit, one end of the motion bar are fixedly installed with pulling needle, and the both ends of the fixed plate side are fixedly mounted There is dial, the outer ring of the dial offers sliding groove, and dial is slidably connected by sliding groove and measuring device, institute The both ends for stating the fixed plate other side are movably installed with grinding device.

Preferably, the measuring device includes sliding shoe, the middle part and the positive one end of rotational pin at the sliding shoe back side It being fixedly connected, the other end of the rotational pin is movably installed with guide wheel, and the guide wheel is slidably connected by sliding groove and dial, The side of the sliding shoe is fixedly installed with pointer, and the pointer is flexibly connected with pulling needle.

Preferably, the grinding device includes decoupling rod, the decoupling rod altogether there are four, the top of two decoupling rods It is flexibly connected with the bottom end of the bottom plate other side by pin respectively, the other end of the decoupling rod, which passes through, ships and resell on another market and runner, described The outer ring fixing sleeve of runner is connected to abrasive band, and the runner is flexibly connected with the inner wall of cold tube rolling by abrasive band, is subtracted described in two The middle part for shaking bar is connected to movable block by activity chain of shipping and reselling on another market, and two movable blocks are fixed with the both ends of spring II respectively to be connected It connects, two decoupling rods are sequentially connected by spring II.

Preferably, the telescopic rod is three-stage metal tube, and the telescopic rod minimum length is 20cm and maximum adjustable length Degree is 1m, and the telescopic rod is mutually perpendicular to connection strap.

Preferably, the pulling needle quantity is two, two pulling needles top with the other end of fixed plate and bottom plate respectively Portion and bottom are flexibly connected, and the sliding hole in the front of the pulling needle and dial connects and maximum range of activities are 0 ° to 90 °.

Preferably, there are two the detection wheel is total to, the detection wheel is the Metal Contact Rollers that radius is 2cm, the detection wheel Outer ring be flexibly connected with the inner wall of cold tube rolling.

(3) beneficial effect

Compared with prior art, the utility model provides a kind of detection device of cold tube rolling internal diameter, and having following has Beneficial effect:

1, the detection device of the cold tube rolling internal diameter pushes bottom inside the cold tube rolling detected by telescopic rod to needs Plate, four decoupling rods and runner for driving bottom plate side both ends are along the sliding hole of inner wall of cold tube rolling, when the cold-rolled steel that needs detect When burr occurs in inside inside pipe, it can be beaten using the abrasive band that runner outer ring coats by moving repeatedly push rod Mill, installing movable block and spring II additional between decoupling rod can make device movement more steady, avoid the need for the cold rolling of detection The burr left when there is production in steel pipe affects the precision of measurement, improves the accuracy and stability of device.

2, the detection device of the cold tube rolling internal diameter more convenient can be moved device by extending and collapsing telescopic rod The position for needing to detect inside cold tube rolling is moved, and telescopic rod is flexibly connected with connection strap by thread groove, is stretched by rotation The position for finely tuning detection device when needed may be implemented in contracting bar, and the other end of telescopic rod is provided with anti-skidding handle, more just Just testing staff uses, and avoids the need for testing staff hand is reached inspection positions inside cold tube rolling capable of just measuring band The inconvenience come, improves the adaptability and comfort of device.

3, the detection device of the cold tube rolling internal diameter is flexibly connected by detection wheel with cold tube rolling inner wall, and pulling needle is driven Around the front sliding shipped and resell on another market along dial, drives pointer Slideslip in dial upper sliding slot to obtain the angle value that need to be surveyed, lead to Over-angle value can acquire the internal diameter of one section of cold tube rolling, along with roller diameter and the width of fixed plate can be calculated accurately and be surveyed The internal diameter of cold tube rolling avoids using general measure tool bring limitation, improves the reasonability of device.

Detailed description of the invention

Fig. 1 is the utility model structure front schematic view；

Fig. 2 is the utility model structure measurement schematic device；

Fig. 3 is the utility model structure grinding device schematic diagram；

Fig. 4 is partial enlargement diagram at the A of the utility model structure chart 1.

In figure: 1 cold tube rolling, 2 bottom plates, 3 fixed plates, 4 screws, 5 connection straps, 6 screw thread axle sleeves, 7 telescopic rods, 8 springs I, 9 Motion bar, 10 detection wheels, 11 pulling needles, 12 dials, 13 sliding grooves, 14 measuring devices, 141 sliding shoes, 142 rotational pins, 143 are led Wheel, 144 pointers, 15 grinding devices, 151 decoupling rods, 152 pins, 153 runners, 154 abrasive bands, 155 movable blocks, 156 springs II.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-4, a kind of detection device of cold tube rolling internal diameter, including cold tube rolling 1 are please referred to, 1 inner cavity of cold tube rolling Middle part is connected with bottom plate 2, and the both ends of 2 side of bottom plate are fixedly installed with fixed plate 3, and two fixed plates 3 are divided by screw 4 It is not fixedly connected with the both ends of connection strap 5, and connection strap 5 is located between two fixed plates 3, the middle part of connection strap 5 is fixedly mounted There is screw thread axle sleeve 6,6 inner ring of screw thread axle sleeve offers thread groove, and screw thread axle sleeve 6 is socketed by thread groove and 7 screw thread of telescopic rod, Telescopic rod 7 is three-stage metal tube, and 7 minimum length of telescopic rod is 20cm and maximum adjustable-length is 1m, telescopic rod 7 and connection strap 5 are mutually perpendicular to, and need to examine by extending and collapsing telescopic rod 7 and more convenient device can be moved to inside cold tube rolling 1 The position of survey, and telescopic rod 7 is flexibly connected with connection strap 5 by thread groove, by rotating telescopic rod 7, may be implemented needing When finely tune the position of detection device, and the other end of telescopic rod 7 is provided with anti-skidding handle, and more convenient testing staff uses, and keeps away Bring inconvenience can just be measured by having exempted to need testing staff that hand is reached 1 inside inspection positions of cold tube rolling, be improved The adaptability and comfort of device, the other side of two fixed plates 3 are movably installed with spring I 8, and the both ends of spring I 8 are passed through respectively It wears two fixed plates 3 and is flexibly connected with the middle part of motion bar 9, two motion bars 9 are sequentially connected by spring I 8, and two work One end of lever 9 is flexibly connected with the both ends of fixed plate 3 respectively by shipping and reselling on another market, and the other end of motion bar 9 is by shipping and reselling on another market and detecting Take turns 10 pivot bush units, detection wheel 10 altogether there are two, detection wheel 10 is the Metal Contact Rollers that radius is 2cm, the outer ring of detection wheel 10 with The inner wall of cold tube rolling 1 is flexibly connected, and the inner wall by detection wheel 10 in cold tube rolling 1 rolls, and realizes detection cold tube rolling 1 The function of internal diameter, pipe diameter can be made in the detection process deformation occurs by avoiding, and influenced the accuracy of detection, improved device It is comprehensive, one end of motion bar 9 is fixedly installed with pulling needle 11, and 11 quantity of pulling needle is two, two pulling needles 11 respectively with fixation The other end of plate 3 and the top and bottom of bottom plate 2 are flexibly connected, and the front of pulling needle 11 and dial 12 is slidably connected and maximum is living Dynamic range is 0 ° to 90 °, is flexibly connected by detection wheel 10 with 1 inner wall of cold tube rolling, and drive pulling needle 11 is around shipping and reselling on another market along dial 12 front sliding, drives the Slideslip in 12 upper sliding slot 13 of dial of pointer 144 to obtain the angle value that need to be surveyed, passes through angle Value can acquire the internal diameter of one section of cold tube rolling 1, along with roller diameter and the width of fixed plate 3 can accurately calculate surveyed cold rolling The internal diameter of steel pipe 1 is avoided using general measure tool bring limitation, improves the reasonability of device, 3 side of fixed plate Both ends be fixedly installed with dial 12, the outer ring of dial 12 offers sliding groove 13, and dial 12 passes through sliding groove 13 are slidably connected with measuring device 14, and measuring device 14 includes sliding shoe 141, the middle part at 141 back side of sliding shoe and rotational pin 142 Positive one end is fixedly connected, and the other end of rotational pin 142 is movably installed with guide wheel 143, and guide wheel 143 is by sliding groove 13 and carves Scale 12 is slidably connected, and the side of sliding shoe 141 is fixedly installed with pointer 144, and pointer 144 is flexibly connected with pulling needle 11, passes through Sliding shoe 141 is fixedly connected with pointer 144, then installing guide wheel 143 additional at 141 back side of sliding shoe can make pointer 144 along sliding groove 13 It is rotated on dial 12, realizes the function of record measurement angle, improve the simplicity of device, 3 other side of fixed plate Both ends are movably installed with grinding device 15, and grinding device 15 includes decoupling rod 151, decoupling rod 151 altogether there are four, two dampings The top of bar 151 passes through pin 152 respectively and is flexibly connected with the bottom end of 2 other side of bottom plate, and the other end of decoupling rod 151 is by turning Pin and runner 153, the outer ring fixing sleeve of runner 153 are connected to abrasive band 154, and runner 153 is interior by abrasive band 154 and cold tube rolling 1 Wall is flexibly connected, and the middle part of two decoupling rods 151 is connected to movable block 155 by activity chain of shipping and reselling on another market, and two movable blocks 155 are distinguished Be fixedly connected with the both ends of spring II 156, two decoupling rods 151 by spring II 156 be sequentially connected, by telescopic rod 7 to need Bottom plate 2 is pushed inside the cold tube rolling 1 to be detected, four decoupling rods 151 and runner 153 for driving 2 side both ends of bottom plate are along cold The sliding hole of the inner wall of steel rolling tube 1 can be by moving repeatedly when needing the inside inside the cold tube rolling 1 detected burr occur Push rod polishes to it using the abrasive band 154 that 153 outer ring of runner coats, and installs 155 He of movable block additional between decoupling rod 151 Spring II 156 can make device movement more steady, and one leaves when avoiding the need for having production in the cold tube rolling 1 of detection Burr affects the precision of measurement, improves the accuracy and stability of device.

When work, bottom plate 2 is pushed inside cold tube rolling 1 from telescopic rod 7 to needs that detect by, drives 2 side two of bottom plate Four decoupling rods 151 and runner 153 at end along the sliding hole of inner wall of cold tube rolling 1, inside the cold tube rolling 1 for needing to detect in When burr occurs in portion, cold tube rolling 1 can be carried out using the abrasive band 154 that 153 outer ring of runner coats by moving repeatedly push rod Polishing, then be flexibly connected by detection wheel 10 with 1 inner wall of cold tube rolling, drive pulling needle 11 sliding along the front of dial 12 around shipping and reselling on another market It is dynamic, it drives the Slideslip in 12 upper sliding slot 13 of dial of pointer 144 to obtain the angle value that need to be surveyed, is pulling out telescopic rod 7, Angle value is recorded, twice of operation above is repeated, the average for recording angle value three times is taken, one section can be acquired by angle value The internal diameter of cold tube rolling 1, along with roller diameter and the width of fixed plate 3 can accurately calculate the internal diameter of surveyed cold tube rolling 1.

In conclusion the detection device of the cold tube rolling internal diameter, through telescopic rod 7 into the cold tube rolling 1 that needs detect Portion pushes bottom plate 2, and four decoupling rods 151 and runner 153 at drive 2 side both ends of bottom plate slide hole along the inner wall of cold tube rolling 1, when When burr occurs in the inside inside cold tube rolling 1 for needing to detect, 153 outer ring of runner can be used by moving repeatedly push rod The abrasive band 154 of cladding polishes to it, and installing movable block 155 and spring II 156 additional between decoupling rod 151 can be such that device moves Dynamic more steady, one burr left affects the precision of measurement when avoiding the need for having production in the cold tube rolling 1 of detection, Improve the accuracy and stability of device；By extend and collapse telescopic rod 7 more convenient device can be moved to it is cold The position for needing to detect inside steel rolling tube 1, and telescopic rod 7 is flexibly connected with connection strap 5 by thread groove, by rotating telescopic rod 7, the position for finely tuning detection device when needed may be implemented, and the other end of telescopic rod 7 is provided with anti-skidding handle, it is more convenient Testing staff uses, and avoids the need for testing staff hand is reached 1 inside inspection positions of cold tube rolling capable of just measuring band The inconvenience come, improves the adaptability and comfort of device；It is flexibly connected by detection wheel 10 with 1 inner wall of cold tube rolling, band Dynamic pulling needle 11 drives the Slideslip in 12 upper sliding slot 13 of dial of pointer 144 to obtain around the front sliding shipped and resell on another market along dial 12 To the angle value that need to be surveyed, the internal diameter of one section of cold tube rolling 1 can be acquired by angle value, along with roller diameter and fixed plate 3 Width can accurately calculate the internal diameter of surveyed cold tube rolling 1, avoid using general measure tool bring limitation, improve The reasonability of device；It solves surveyed part production process kind and is likely to form burr, influence measurement accuracy, it can only measurement arm institute And the internal diameter gone out, measurement range is small, influences the confidence level of measurement, excessive compression part in some measuring tool measurement process, shadow The problem of ringing measurement accuracy.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of detection device of cold tube rolling internal diameter, including cold tube rolling (1), it is characterised in that: in the cold tube rolling (1) It is connected in the middle part of chamber bottom plate (2), the both ends of bottom plate (2) side are fixedly installed with fixed plate (3), described in two Fixed plate (3) is fixedly connected with the both ends of connection strap (5) respectively by screw (4), and connection strap (5) is located at two fixed plates (3) it between, is fixedly installed with screw thread axle sleeve (6) in the middle part of the connection strap (5), screw thread axle sleeve (6) inner ring offers spiral shell Groove, and screw thread axle sleeve (6) is socketed by thread groove and telescopic rod (7) screw thread, the side movable sleeve of two fixed plates (3) Equipped with spring I (8), the both ends of the spring I (8) extend through two fixed plates (3) and connect with the middle part activity of motion bar (9) Connect, two motion bars (9) by spring I (8) be sequentially connected, and one end of two motion bars (9) by ship and resell on another market respectively with fixation The both ends of plate (3) are flexibly connected, and the other end of the motion bar (9) is by shipping and reselling on another market and detection wheel (10) pivot bush unit, the work One end of lever (9) is fixedly installed with pulling needle (11), and the both ends of fixed plate (3) side are fixedly installed with dial (12), the outer ring of the dial (12) offers sliding groove (13), and dial (12) is filled by sliding groove (13) and measurement It sets (14) to be slidably connected, the both ends of fixed plate (3) other side are movably installed with grinding device (15).

2. a kind of detection device of cold tube rolling internal diameter according to claim 1, it is characterised in that: the measuring device It (14) include sliding shoe (141), the middle part at sliding shoe (141) back side is fixedly connected with rotational pin (142) positive one end, The other end of the rotational pin (142) is movably installed with guide wheel (143), and the guide wheel (143) passes through sliding groove (13) and scale Disk (12) is slidably connected, and the side of the sliding shoe (141) is fixedly installed with pointer (144), the pointer (144) and pulling needle (11) it is flexibly connected.

3. a kind of detection device of cold tube rolling internal diameter according to claim 1, it is characterised in that: the grinding device (15) include decoupling rod (151), the decoupling rod (151) altogether there are four, the top of two decoupling rods (151) passes through respectively Pin (152) is flexibly connected with the bottom end of bottom plate (2) other side, and the other end of the decoupling rod (151) is by shipping and reselling on another market and runner (153), the outer ring fixing sleeve of the runner (153) is connected to abrasive band (154), and the runner (153) passes through abrasive band (154) and cold rolling The inner wall of steel pipe (1) is flexibly connected, and the middle part of two decoupling rods (151) is connected to movable block by activity chain of shipping and reselling on another market (155), two movable blocks (155) are fixedly connected with the both ends of spring II (156) respectively, two decoupling rods (151) It is sequentially connected by spring II (156).

4. a kind of detection device of cold tube rolling internal diameter according to claim 1, it is characterised in that: the telescopic rod (7) For three-stage metal tube, telescopic rod (7) minimum length is 20cm and maximum adjustable-length is 1m, the telescopic rod (7) with Connection strap (5) is mutually perpendicular to.

5. a kind of detection device of cold tube rolling internal diameter according to claim 1, it is characterised in that: pulling needle (11) number Amount is two, and two pulling needles (11) connect with the top and bottom activity of the other end of fixed plate (3) and bottom plate (2) respectively It connects, the pulling needle (11) connect with the sliding hole in the front of dial (12) and maximum range of activities are 0 ° to 90 °.

6. a kind of detection device of cold tube rolling internal diameter according to claim 1, it is characterised in that: the detection wheel (10) There are two altogether, the detection wheel (10) is the Metal Contact Rollers that radius is 2cm, the outer ring of the detection wheel (10) and cold tube rolling (1) inner wall is flexibly connected.