Device for measuring deflection of steel pipe based on double stations

Abstract

The utility model discloses a device for measuring deflection of a steel pipe based on double stations, and belongs to the technical field of steel pipe measuring equipment. The device comprises a first support, two second supports, two third supports, two fourth supports, a fifth support, three sixth supports, six measuring rods, six linear bearings, forty-eight screws, twelve round bars, four wheels, four hinges, twenty-four screws and twenty-four nuts. The device can realize the purpose of simultaneously measuring the deflection of the two horizontally arranged steel pipes, and has the characteristics of low manufacturing cost, simplicity in operation and good use effect.

Description

Technical Field

[0001] The utility model belongs to the technical field of steel pipe measuring equipment, and in particular relates to a device for measuring the deflection of a steel pipe based on a double-station. Background Art

[0002] At present, steel pipes are usually produced by the process of hot rolling piercing + continuous pipe rolling + tension reducing. After tension reducing, the steel pipes need to be naturally cooled on a step-type cooling bed. Due to the combined effects of factors such as their own gravity, residual stress or uneven cooling, if the structural design of the step-type cooling bed is unreasonable, the steel pipe may have a certain deflection, which will directly affect the dimensional accuracy of the steel pipe and further affect the performance of the steel pipe. This requires measuring the deflection of each steel pipe so that the steel pipes whose deflections do not meet the accuracy requirements can be picked out and straightened. In view of this, some companies have successively developed measuring devices or measuring instruments for steel pipe deflection. Although the measurement accuracy of these measuring devices or measuring instruments is relatively high, they all have certain limitations to a greater or lesser extent. Some have relatively more work tasks and some have limited scope of use.

[0003] After searching, it was found that three literature patents are most relevant to the utility model technology, and the specific contents are described as follows:

[0004] Document CN 201510971843.0 discloses a pipe deflection measuring device and a measuring method, which mainly include a magnetic block, a clamping block, an infrared light source and a clamping ring assembly. The device evenly distributes an infrared emitting device on one end of the pipe to be measured, and installs a clamping ring assembly on the other end of the pipe to be measured. The deflection of the pipe to be measured is calculated according to the position of the infrared light source on the clamping ring, combined with the ring distance scale and angle scale marked on the clamping ring. Although the measurement accuracy of the device is relatively high, since the device needs to process a large amount of data, the device has relatively more work tasks.

[0005] Document CN 201721435144.5 discloses a formwork frame steel pipe compensating deflection measuring instrument, which mainly includes a measuring main scale, a handle, a support rod, a limit ring, a measuring window, a first measuring rod, a rotating ear, a second measuring rod, a main body, a connecting rod, a compression spring, a positioning block and a pointer. Although the device has the advantages of low manufacturing cost, simple operation and high measurement accuracy, it is not suitable for deflection measurement of longer steel pipes because it is operated by hand.

[0006] Document CN 201822115305.3 discloses a formwork frame steel pipe compensation deflection measuring instrument with an alarm function, which mainly includes a measuring main scale, a handle, a support rod, a limit ring, a measuring window, a measuring panel, a first measuring rod, a rotating ear, a second measuring rod, a main body, a connecting rod, a compression spring, a positioning block, a pointer, a photoelectric alarm, a power supply and a conductive plate. Although the device has the advantages of low manufacturing cost, simple operation and high measurement accuracy, it is not suitable for deflection measurement of longer steel pipes because it is operated by hand. Utility Model Content

[0007] In order to overcome one or more problems existing in the prior art, the utility model provides a device for measuring the deflection of a steel pipe based on a double-station. The utility model is designed based on a symmetrical structure. The combined use of the fourth bracket, the screw and the nut can realize the relative setting of the first bracket and the fifth bracket, and then realize the upright setting of the round rod; the use of the round rod can realize the up and down movement of the linear bearing according to a predetermined trajectory, and the use of the screw can realize the linkage of the third bracket, the sixth bracket and the linear bearing; the combined use of the first bracket, the second bracket, the screw and the nut can realize the positioning and placement of the sixth bracket; based on the double-station design, the combined use of the six scale segments of the six measuring rods and the six tenth bosses of the three sixth brackets can form six spiral micrometers, thereby achieving the purpose of simultaneously measuring the deflections of two steel pipes. Therefore, the use effect of the device of the utility model is relatively good.

[0008] The technical solution adopted by the utility model to solve its technical problem is as follows.

[0009] The double-station steel pipe deflection measuring device provided by the utility model comprises: a first bracket, two second brackets, two third brackets, two fourth brackets, a fifth bracket, three sixth brackets, six measuring rods, six linear bearings, forty-eight screws, twelve round rods, four wheels, four hinges, twenty-four screws and twenty-four nuts;

[0010] The first bracket is composed of a first body, three first bosses and four second bosses connected together, the first body, the first boss and the second boss are all symmetrical structures in the shape of a cuboid, the three first bosses are simultaneously located on the upper end surface of the first body, and the four second bosses are opposite to each other and simultaneously located on the lower end surface of the first body; the first body is symmetrically provided with two groups of eight cylindrical first through holes, and the screw rods are penetrated through the first through holes; the first body is also symmetrically provided with two groups of eight cylindrical second through holes, and the screw rods are penetrated through the second through holes; the upper end surface of the first boss is symmetrically provided with four cylindrical first grooves, and the round rod is penetrated through the first groove; the lower end surface of the second boss is provided with a rectangular second groove, and the wheel is penetrated through the second groove; a cylindrical third through hole is respectively provided on the left and right sides of the second groove, and the hinge is penetrated through the third through hole;

[0011] The second bracket is composed of a second body and three third bosses, the second body and the third bosses are both rectangular parallelepiped symmetrical structures, and the three third bosses are simultaneously located on the upper end surface of the second body; the second body is symmetrically provided with four cylindrical fourth through holes, and the screw rod is passed through the fourth through holes;

[0012] The third bracket is composed of a third body and three fourth bosses connected together, the third body and the fourth bosses are both rectangular parallelepiped symmetrical structures, and the three fourth bosses are simultaneously located on the upper end surface of the third body; the fourth bosses are symmetrically provided with four first screw holes, and the screws are screwed into the first screw holes;

[0013] The fourth bracket is composed of two fourth bodies and a fifth boss connected together. The fourth body and the fifth boss are both rectangular parallelepiped symmetrical structures. The fifth boss is located between the two fourth bodies. The fourth body is symmetrically provided with four cylindrical fifth through holes, and the screw rod is passed through the fifth through hole.

[0014] The fifth bracket is composed of a sixth body and three seventh bosses connected together, the sixth body and the seventh bosses are both rectangular parallelepiped symmetrical structures, and the three seventh bosses are simultaneously located on the lower end surface of the sixth body; the sixth body is symmetrically provided with two groups of eight cylindrical eighth through holes, and the screw rods are penetrated in the eighth through holes; the lower end surface of the seventh boss is symmetrically provided with four cylindrical third grooves, and the round rods are penetrated in the third grooves;

[0015] The sixth bracket is composed of a seventh body, two eighth bosses, two ninth bosses and four tenth bosses. The seventh body, the eighth boss and the ninth boss are all rectangular parallelepiped symmetrical structures. The two eighth bosses are respectively located on the left and right end faces of the seventh body, the two ninth bosses are respectively located on the left and right end faces of the two eighth bosses, and the four tenth bosses are opposite to each other and are respectively located on the upper and lower end faces of the two ninth bosses; a ninth through hole in the shape of a rectangular parallelepiped is opened in the middle part of the seventh body, and the ninth through hole is provided inside Four sixth bosses of the linear bearing are penetrated; four second screw holes are evenly opened around the ninth through hole, and the screws are screwed into the second screw holes; four cylindrical tenth through holes are symmetrically opened on the eighth boss, and the screws are penetrated into the tenth through holes; the tenth boss is a cylindrical symmetrical structure, and fifty grid scales are evenly marked on the side of the tenth boss along the circumferential direction; a third screw hole is opened at the axis position of the tenth boss, and the measuring rod is screwed into the third screw hole, and the third screw hole also runs through the ninth boss;

[0016] The measuring rod is composed of three parts: a coaxial contact section, a threaded section and a scale section. The contact section is a hemispherical symmetrical structure; the threaded section is a cylindrical symmetrical structure with a thread on the side, which is used to screw into the third screw hole of the sixth bracket, and the pitch value of the thread is 0.5mm; the scale section is a cylindrical symmetrical structure, and the side of the cylinder is evenly marked with four groups of scales along the circumferential direction, each group of scales is composed of two adjacent left and right columns of staggered scales, the staggered value of the two columns of staggered scales is 0.5mm, and the minimum grid value of the staggered scale is 1mm.

[0017] In some embodiments, the linear bearing is composed of a fifth body and four sixth bosses connected to each other, and the four sixth bosses are simultaneously located on the upper end surface of the fifth body; the fifth body is a rectangular symmetrical structure, and the fifth body is symmetrically provided with four cylindrical sixth through holes, and the screws are passed through the sixth through holes; the sixth boss is a cylindrical symmetrical structure, and a cylindrical seventh through hole is provided at the axial position of the sixth boss, and the round rod is passed through the seventh through hole, and the seventh through hole also passes through the fifth body; a retaining frame, a ball and a retaining ring are also provided inside the sixth boss.

[0018] In some embodiments, the round rod is a cylindrical symmetrical structure, the middle portion of the round rod is inserted into the seventh through hole of the linear bearing, the lower end of the round rod is inserted into the first groove of the first bracket, and the upper end of the round rod is inserted into the third groove of the fifth bracket.

[0019] In some embodiments, the nut is screwed onto the threaded end of the screw.

[0020] In some embodiments, the screw, the wheel, the hinge, the threaded rod and the nut are all standard parts.

[0021] The beneficial effects of the utility model are as follows:

[0022] 1) The device for measuring the deflection of a steel pipe based on a double-station provided by the utility model includes a first bracket, two second brackets, two third brackets, two fourth brackets, a fifth bracket, three sixth brackets, six measuring rods, six linear bearings, forty-eight screws, twelve round bars, four wheels, four hinges, twenty-four screws and twenty-four nuts. Since the material is common and easy to process and shape, the manufacturing cost of the device of the utility model is relatively low.

[0023] 2) When the device of the utility model is used, the six measuring rods are initially at the zero scale position, and the three sixth brackets are moved upwards along the twelve round rods at the same time, and the two steel pipes are simultaneously set at the position facing the three sixth brackets; the three sixth brackets are moved downwards along the twelve round rods at the same time, and the three seventh bodies of the three sixth brackets are set on the six third bosses of the two second brackets; based on the double-station measurement, the six measuring rods are respectively screwed in until the six contact sections respectively contact the outer surfaces of the two steel pipes, and two sets of measurement data (△A 左 , △B 左 and △C 左 ) and (△A 右 , △B 右 and △C 右 ); respectively substitute into the corresponding formulas for calculation, therefore, the operation of the device of the utility model is relatively simple.

[0024] 3) The utility model is designed based on a symmetrical structure. The combined use of the fourth bracket, the screw and the nut can realize the relative setting of the first bracket and the fifth bracket, and then realize the upright setting of the round rod; the use of the round rod can realize the up and down movement of the linear bearing according to a predetermined trajectory, and the use of the screw can realize the linkage of the third bracket, the sixth bracket and the linear bearing; the combined use of the first bracket, the second bracket, the screw and the nut can realize the positioning and placement of the sixth bracket; based on the double-station design, the combined use of the six scale segments of the six measuring rods and the six tenth bosses of the three sixth brackets can form six spiral micrometers, thereby achieving the purpose of accurately measuring the deflection of the two steel pipes. Therefore, the use effect of the device of the utility model is relatively good.

[0025] The device for measuring the deflection of a steel pipe based on a double-station provided by the utility model can achieve the purpose of simultaneously measuring the deflections of two horizontally arranged steel pipes. The device of the utility model has the characteristics of low manufacturing cost, simple operation and good use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the main structure of the device for measuring the deflection of a steel pipe based on a double-station of the utility model when the sixth bracket is in a high position;

[0027] Figure 2 It is a schematic diagram of the main structure of the device for measuring the deflection of a steel pipe based on a double-station of the utility model when the sixth bracket is in a low position;

[0028] Figure 3 It is a schematic diagram of the main structure of the device for measuring the deflection of a steel pipe based on a double-station of the utility model when the sixth bracket is in a low position for measurement;

[0029] Figure 4 It is a left-side structural schematic diagram of the double-station steel pipe deflection measuring device of the utility model when the sixth bracket is in a low position for measurement;

[0030] Figure 5 It is a schematic diagram of the top view of the structure of the device for measuring the deflection of a steel pipe based on a double-station according to the utility model;

[0031] Figure 6 It is a partial top view structural schematic diagram of the device for measuring the deflection of a steel pipe based on a double-station according to the utility model;

[0032] Figure 7 This is a schematic diagram of the main structure of the first bracket and the wheel of the device of the utility model after being assembled;

[0033] Figure 8 It is a left-side structural schematic diagram of the first bracket and the wheel of the device of the utility model after being assembled;

[0034] Fig. 9 It is a schematic diagram of the top view of the structure of the first bracket and the wheel of the device of the utility model after being assembled;

[0035] Fig.10 This is a bottom view of the structure of the device of the utility model after the first bracket and the wheels are assembled;

[0036] Fig.11 This is a schematic diagram of the main structure of the measuring rod of the device of the utility model;

[0037] Fig.12 It is a schematic diagram of the main structure of the second bracket of the device of the utility model;

[0038] Fig.13It is a schematic diagram of the top view of the second bracket of the device of the utility model;

[0039] Fig.14 This is a schematic diagram of the main structure of the third bracket of the device of the utility model;

[0040] Fig.15 It is a top view structural schematic diagram of the third bracket of the device of the utility model;

[0041] Fig.16 This is a schematic diagram of the main structure of the fourth bracket of the device of the utility model;

[0042] Fig.17 It is a schematic diagram of the top view of the structure of the fourth bracket of the device of the utility model;

[0043] Fig.18 This is a schematic diagram of the main structure of the linear bearing of the device of the utility model;

[0044] Fig.19 It is a schematic diagram of the top view structure of the linear bearing of the device of the utility model;

[0045] Fig. 20 This is a schematic diagram of the main structure of the fifth bracket of the device of the utility model;

[0046] Fig.21 It is a bottom view structural schematic diagram of the fifth bracket of the device of the utility model;

[0047] Fig. 22 This is a schematic diagram of the main structure of the sixth bracket of the device of the utility model;

[0048] Fig.23 It is a schematic diagram of the top view of the sixth bracket of the device of the utility model;

[0049] Fig.24 It is a schematic diagram of the working principle of the device for measuring the deflection of a steel pipe based on a double-station according to the utility model;

[0050] Fig.25 The utility model is a schematic diagram of the trapezoidal structure of the device for measuring the deflection of a steel pipe based on a double-station.

[0051] Description of the reference numerals: 1-first bracket; 101-first body; 102-first boss; 103-second boss; 104-first through hole; 105-second through hole; 106-first groove; 107-second groove; 108-third through hole; 2-measuring rod; 201-contact section; 202-thread section; 203-scale section; 3-second bracket; 301-second body; 302-third boss; 303-fourth through hole; 4-third bracket; 401-third body; 402-fourth boss; 403-first screw hole; 5-fourth bracket; 501-fourth body; 502-fifth boss; 503-first screw hole; 3-fifth through hole; 6-linear bearing; 601-fifth body; 602-sixth boss; 603-sixth through hole; 604-seventh through hole; 7-fifth bracket; 701-sixth body; 702-seventh boss; 703-eighth through hole; 704-third groove; 8-sixth bracket; 801-seventh body; 802-eighth boss; 803-ninth boss; 804-tenth boss; 805-ninth through hole; 806-second screw hole; 807-tenth through hole; 808-third screw hole; 9-screw; 10-round rod; 11-wheel; 12-hinge; 13-screw; 14-nut; 15-steel pipe. DETAILED DESCRIPTION

[0052] The content of the utility model is described in detail below through examples and drawings. The examples are only used to understand the utility model, but are not intended to limit the content of the utility model.

[0053] Combination Figures 1 to 6As shown, the utility model provides a device for measuring the deflection of a steel pipe based on a double-station, which includes a first bracket 1, two second brackets 3, two third brackets 4, two fourth brackets 5, a fifth bracket 7, three sixth brackets 8, six measuring rods 2, six linear bearings 6, forty-eight screws 9, twelve round rods 10, four wheels 11, four hinges 12, twenty-four screws 13 and twenty-four nuts 14; wherein, four of the wheels 11 are inserted into the four second grooves 107 of the first bracket 1 and are hinged by the four hinges 12; twelve lower ends of the twelve round rods 10 are inserted into the twelve first grooves 106 of the first bracket 1, and the middle parts of the twelve round rods 10 are inserted into the twenty-four seventh through holes 604 of the six linear bearings 6 arranged oppositely; the twenty-four sixth bosses 602 of the six linear bearings 6 are inserted into the three The three ninth through holes 805 of the sixth bracket 8 are connected by the twenty-four screws 9; the lower end surfaces of the six eighth bosses 802 of the three sixth brackets 8 are provided with the six fourth bosses 402 of the two third brackets 4, and are connected by the twenty-four screws 9; the six measuring rods 2 are screwed into the six third screw holes 808 of the three sixth brackets 8, and the twelve upper ends of the twelve round bars 10 are inserted into the twelve third grooves 704 of the fifth bracket 7; two fourth brackets 5 are inserted between the first body 101 of the first bracket 1 and the sixth body 701 of the fifth bracket 7, and are connected by the sixteen screws 13 and the sixteen nuts 14; two second brackets 3 are provided on the first body 101 of the first bracket 1, and are connected by the eight screws 13 and the eight nuts 14.

[0054] The assembly process of the device for measuring the deflection of a steel pipe based on a double-station is provided by the utility model

[0055] Combination Figures 1 to 23 As shown, firstly, four wheels 11 are inserted into the four second grooves 107 of the first bracket 1, and the four axial holes of the four wheels 11 are aligned with the four third through holes 108 of the first bracket 1, and then four hinges 12 are installed in the four groups of aligned through holes, so that the first bracket 1 and the four wheels 11 can be assembled into a first bracket vehicle;

[0056] Then, the two fourth brackets 5 are simultaneously arranged on the first body 101 of the first bracket 1, and the eight fifth through holes 503 of the two fourth brackets 5 are aligned with the eight first through holes 104 of the first bracket 1, and then eight screws 13 are passed through the eight groups of aligned through holes, and then eight nuts 14 are screwed on the threaded ends of the eight screws 13, so that the two fourth brackets 5 and the first bracket 1 can be assembled;

[0057] Then, the six linear bearings 6 are arranged opposite to each other in pairs, and then the twenty-four sixth bosses 602 of the six linear bearings 6 are inserted into the three ninth through holes 805 of the three sixth brackets 8, and the twenty-four sixth through holes 603 of the six linear bearings 6 are aligned with the twelve second screw holes 806 of the three sixth brackets 8, and then the twenty-four screws 9 are passed through the twenty-four sixth through holes 603 and screwed into the twelve second screw holes 806, so that the six linear bearings 6 and the three sixth brackets 8 can be assembled;

[0058] Then, the six fourth bosses 402 of the two third brackets 4 are arranged on the lower end surfaces of the six eighth bosses 802 of the three sixth brackets 8, and the twenty-four first screw holes 403 of the two third brackets 4 and the twenty-four tenth through holes 807 of the three sixth brackets 8 are aligned, and then the twenty-four screws 9 are passed through the twenty-four tenth through holes 807 and screwed into the twenty-four first screw holes 403, so that the two third brackets 4 and the three sixth brackets 8 can be assembled;

[0059] Then, the twelve round rods 10 are inserted into the twenty-four seventh through holes 604 of the six linear bearings 6, and then the twelve lower ends of the twelve round rods 10 are inserted into the twelve first grooves 106 of the first bracket 1. In this way, the six linear bearings 6, the twelve round rods 10 and the first bracket 1 can be assembled;

[0060] Then, the twelve upper ends of the twelve round rods 10 are inserted into the twelve third grooves 704 of the fifth bracket 7. At this time, the sixth body 701 of the fifth bracket 7 is just arranged on the two fourth bodies 501 of the two fourth brackets 5 located above. At the same time, the eight eighth through holes 703 of the fifth bracket 7 and the eight fifth through holes 503 of the two fourth brackets 5 located above are just aligned. Then, eight screw rods 13 are inserted into the eight groups of aligned through holes, and then eight nuts 14 are screwed on the threaded ends of the eight screw rods 13. In this way, the twelve round rods 10, the fifth bracket 7 and the two fourth brackets 5 can be assembled;

[0061] Then, two second brackets 3 are simultaneously arranged on the first body 101 of the first bracket 1, and the eight fourth through holes 303 of the two second brackets 3 are aligned with the eight second through holes 105 of the first bracket 1, and then eight screws 13 are passed through the eight groups of aligned through holes, and then eight nuts 14 are screwed onto the threaded ends of the eight screws 13, so that the two second brackets 3 and the first bracket 1 can be assembled;

[0062] Finally, the six threaded sections 202 of the six measuring rods 2 are screwed into the six third screw holes 808 of the three sixth brackets 8. In this way, the whole device is assembled and can be put into use.

[0063] The working principle of the device for measuring the deflection of a steel pipe based on a double-station is provided by the utility model

[0064] Combination Figure 4 and Fig.24 As shown, for the convenience of description, the six measuring rods 2 located at the front end, rear end and middle end of the steel pipe 15 are defined as A, B and C respectively, the contact point positions of A, B and C at the zero scale position are defined as point A0, point B0 and point C0 respectively, and the contact point positions of A, B and C when tangent to the steel pipe 15 are defined as point A1, point B1 and point C1 respectively; the distances from A, B and C to the steel pipe 15 are defined as △A, △B and △C respectively, the distance from point A0 to point A1 is △A, the distance from point B0 to point B1 is △B, and the distance from point C0 to point C1 is △C; since the contact section 201 of the measuring rod 2 is a hemispherical symmetrical structure, as long as A, B and C are respectively screwed in by the distances of △A, △B and △C, then A, B and C all maintain a circumscribed relationship with the steel pipe 15;

[0065] Combination Fig.25As shown, connect point A0 and point B0, point C0 is the midpoint of line segment A0B0; connect point A1 and point B1, the distance between point C1 and point A1 and point B1 is equal; connect point A0 and point A1, connect point B0 and point B1, connect point C0 and point C1. Since △A is not necessarily equal to △B, but line segment A0A1 is parallel to line segment B0B1, it is not difficult to prove that quadrilateral A0A1B1B0 is a trapezoid, line segments A0A1 and B0B1 are the two bases, line segments A0B0 and line segment A1B1 are two waistlines, and the average value of the two bottom sides (△A+△B) / 2 is the length of the median line. The deflection of the steel pipe 15 is defined as Y, Y=△C-(△A+△B) / 2; if Y>0, it means that point C1 is outside the trapezoid, that is, point C1 is below the line segment A1B1; if Y=0, it means that point C1 is above the line segment A1B1, and the steel pipe 15 is straight at this time; if Y<0, it means that point C1 is inside the trapezoid, that is, point C1 is above the line segment A1B1;

[0066] The utility model is based on double-station measurement. For the convenience of description, the three measuring rods 2 located on the left are defined as A 左 , B 左 and C 左 , the deflection of the steel pipe 15 on the left is defined as Y 左 , the three measuring rods 2 on the left can measure a set of data (△A 左 , △B 左 and △C 左 ), so that Y 左 =△C 左 -(△A 左 +△B 左 ) / 2; Similarly, the three measuring rods 2 on the right are defined as A 右 , B 右 and C 右 , the deflection of the steel pipe 15 on the right is defined as Y 右 , the three measuring rods 2 located on the right side can measure a set of data (△A 右 , △B 右 and △C 右 ), so that Y 右 =△C 右 -(△A 右 +△B 右 ) / 2;

[0067] Combination Figure 4As shown, the combined use of the six scale segments 203 of the six measuring rods 2 and the six tenth bosses 804 of the three sixth brackets 8 can form six screw micrometers, and the measurement accuracy of the six screw micrometers can reach 0.01mm. The reasoning process is: since the pitch value of the thread of the measuring rod 2 is 0.5mm, that is, every time the measuring rod 2 rotates one circle, the axial distance moved by the measuring rod 2 in the third screw hole 808 is 0.5mm, and since the side surface of the tenth boss 804 is evenly marked with fifty grid scales along the circumferential direction, therefore, every time the measuring rod 2 rotates one grid scale, the axial distance moved by the measuring rod 2 in the third screw hole 808 is 0.01mm.

[0068] The utility model provides a method for using a device for measuring steel pipe deflection based on a double-station

[0069] Assuming that the six measuring rods 2 are initially at the zero scale position, firstly, the three sixth brackets 8 are moved upward simultaneously along the twelve round rods 10, and then the two steel pipes 15 are simultaneously set at the positions facing the three sixth brackets 8, as shown in FIG. Figure 1 Then along the twelve round rods 10, move downward the three sixth brackets 8 at the same time, and the three seventh bodies 801 of the three sixth brackets 8 are set on the six third bosses 302 of the two second brackets 3, as shown Figure 2 As shown;

[0070] The utility model performs measurement based on a double-station, and then screws in the six measuring rods 2 respectively, and stops screwing in the six measuring rods 2 when the six contact sections 201 of the six measuring rods 2 respectively contact the outer surfaces of the two steel pipes 15. Figure 3 and Figure 4 As shown; then read two sets of measurement data (△A 左 , △B 左 and △C 左 ) and (△A 右 , △B 右 and △C 右 ), and then substitute the two sets of measured data into the corresponding formula to calculate the deflection Y of the two steel pipes 15 左 and Y 右 ,like Fig.24 and Fig.25 shown.

[0071] Supplementary explanation: The device for measuring the deflection of steel pipes based on double stations provided by the utility model is designed with a symmetrical structure. First, according to the outer diameter specifications of the steel pipes, the spacing distance of the steel pipes, the setting height of the steel pipes and the fixed length of the steel pipes, multiple specifications of the device of the utility model should be designed and manufactured to match them.

[0072] It can be seen from the embodiments that the device for measuring the deflection of a steel pipe based on a double-station provided by the utility model can achieve the purpose of simultaneously measuring the deflection of two horizontally arranged steel pipes. The device of the utility model has the characteristics of low manufacturing cost, simple operation and good use effect.

[0073] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein.

Claims

1. A device for measuring the deflection of a steel pipe based on a double station, characterized in that: The device for measuring the deflection of a steel pipe based on a double-station operation comprises: a first bracket (1), two second brackets (3), two third brackets (4), two fourth brackets (5), a fifth bracket (7), three sixth brackets (8), six measuring rods (2), six linear bearings (6), forty-eight screws (9), twelve round bars (10), four wheels (11), four hinges (12), twenty-four screw rods (13) and twenty-four nuts (14), wherein: The first bracket (1) is composed of a first body (101), three first bosses (102) and four second bosses (103) connected together; the first body (101), the first bosses (102) and the second bosses (103) are all rectangular parallelepiped symmetrical structures; the three first bosses (102) are simultaneously located on the upper end surface of the first body (101); the four second bosses (103) are opposite to each other and simultaneously located on the lower end surface of the first body (101); the first body (101) is symmetrically provided with two groups of eight cylindrical first through holes (104) in total; the first through holes (104) are penetrated by the screw rods (13); the first body (1 01) is also symmetrically provided with two groups of eight cylindrical second through holes (105), and the screw rod (13) is passed through each of the second through holes (105); the upper end surface of the first boss (102) is symmetrically provided with four cylindrical first grooves (106), and the round rod (10) is passed through each of the first grooves (106); the lower end surface of the second boss (103) is provided with a rectangular second groove (107), and the wheel (11) is passed through each of the second grooves (107); a cylindrical third through hole (108) is respectively provided on the left and right sides of the second groove (107), and the hinge (12) is passed through each of the third through holes (108); The second bracket (3) is composed of a second body (301) and three third bosses (302) connected together; the second body (301) and the third bosses (302) are both rectangular parallelepiped symmetrical structures; the three third bosses (302) are simultaneously located on the upper end surface of the second body (301); the second body (301) is symmetrically provided with four cylindrical fourth through holes (303), and the screw rod (13) is passed through the fourth through holes (303); The third bracket (4) is composed of a third body (401) and three fourth bosses (402) connected together; the third body (401) and the fourth bosses (402) are both rectangular parallelepiped symmetrical structures; the three fourth bosses (402) are simultaneously located on the upper end surface of the third body (401); the fourth boss (402) is symmetrically provided with four first screw holes (403), and the screws (9) are screwed into the first screw holes (403); The fourth bracket (5) is composed of two fourth bodies (501) and a fifth boss (502) connected together. The fourth body (501) and the fifth boss (502) are both rectangular parallelepiped symmetrical structures. The fifth boss (502) is located between the two fourth bodies (501). The fourth body (501) is symmetrically provided with four cylindrical fifth through holes (503). The screw rod (13) is passed through the fifth through hole (503). The fifth bracket (7) is composed of a sixth body (701) and three seventh bosses (702) connected together. The sixth body (701) and the seventh bosses (702) are both rectangular parallelepiped symmetrical structures. The three seventh bosses (702) are simultaneously located on the lower end surface of the sixth body (701); the sixth body (701) is symmetrically provided with two groups of eight cylindrical eighth through holes (703) in total, and the screw rod (13) is passed through the eighth through holes (703); the lower end surface of the seventh boss (702) is symmetrically provided with four cylindrical third grooves (704), and the round rod (10) is passed through the third grooves (704); The sixth bracket (8) is composed of a seventh body (801), two eighth bosses (802), two ninth bosses (803) and four tenth bosses (804) connected together. The seventh body (801), the eighth boss (802) and the ninth boss (803) are all rectangular parallelepiped symmetrical structures. The two eighth bosses (802) are respectively located on the left and right end surfaces of the seventh body (801), the two ninth bosses (803) are respectively located on the left and right end surfaces of the two eighth bosses (802), and the four tenth bosses (804) are opposite to each other and are respectively located on the upper and lower end surfaces of the two ninth bosses (803); a ninth through hole (805) in the shape of a rectangular parallelepiped is opened in the middle part of the seventh body (801), and the ninth through hole (805) is provided with a plurality of holes. Four sixth bosses (602) are provided with the linear bearing (6) therein; four second screw holes (806) are evenly provided around the ninth through hole (805), and the screws (9) are screwed into the second screw holes (806); four cylindrical tenth through holes (807) are symmetrically provided on the eighth boss (802), and the screws (9) are inserted into the tenth through holes (807); the tenth boss (804) is a cylindrical symmetrical structure, and fifty grid scales are evenly marked on the side surface of the tenth boss (804) along the circumferential direction; a third screw hole (808) is provided at the axial position of the tenth boss (804), and the measuring rod (2) is screwed into the third screw hole (808), and the third screw hole (808) also passes through the ninth boss (803); The measuring rod (2) is composed of three parts connected together, namely, a coaxial contact section (201), a threaded section (202) and a scale section (203); the contact section (201) is a hemispherical symmetrical structure; the threaded section (202) is a cylindrical symmetrical structure with a threaded side surface, used for screwing into the third screw hole (808) of the sixth bracket (8), and the pitch value of the threaded section is 0.5 mm; the scale section (203) is a cylindrical symmetrical structure, and the side surface of the cylinder is evenly marked with four groups of scales along the circumferential direction, each group of scales is composed of two adjacent left and right columns of offset scales, the offset value of the two columns of offset scales is 0.5 mm, and the minimum grid value of the offset scales is 1 mm.

2. The device for measuring steel pipe deflection based on double stations according to claim 1 is characterized in that: The linear bearing (6) is composed of a fifth body (601) and four sixth bosses (602) connected together, and the four sixth bosses (602) are simultaneously located on the upper end surface of the fifth body (601); the fifth body (601) is a rectangular parallelepiped symmetrical structure, and the fifth body (601) is symmetrically provided with four cylindrical sixth through holes (603), and the screws (9) are penetrated through the sixth through holes (603); the sixth boss (602) is a cylindrical symmetrical structure, and a cylindrical seventh through hole (604) is provided at the axial position of the sixth boss (602), and the round rod (10) is penetrated through the seventh through hole (604), and the seventh through hole (604) also passes through the fifth body (601); a retaining frame, a ball and a retaining ring are also provided inside the sixth boss (602).

3. The device for measuring steel pipe deflection based on double stations according to claim 1 is characterized in that: The round rod (10) is a cylindrical symmetrical structure. The middle part of the round rod (10) is inserted into the seventh through hole (604) of the linear bearing (6), the lower end of the round rod (10) is inserted into the first groove (106) of the first bracket (1), and the upper end of the round rod (10) is inserted into the third groove (704) of the fifth bracket (7).

4. The device for measuring steel pipe deflection based on double stations according to claim 1 is characterized in that: The threaded end of the screw rod (13) is screwed with the nut (14).

5. The device for measuring steel pipe deflection based on double stations according to claim 1 is characterized in that: The screw (9), the wheel (11), the hinge (12), the screw rod (13) and the nut (14) are all standard parts.

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