Measuring device for welding and manufacturing steel structure pipe truss

Abstract

The invention discloses a measuring device for welding and manufacturing a steel structure pipe truss, and relates to the technical field of pipe truss measurement. Comprising a measuring installation piece, a row of measuring parts are symmetrically installed on the measuring installation piece, and the row of measuring parts are used for measuring the precision of the pipe truss; displacement measuring pieces are respectively mounted on the row of measuring parts; the displacement measuring piece is used for eliminating the prestress of the pipe truss; an opposite driving part is mounted on the measurement mounting part; two pipe end limiting pieces are mounted on the opposite driving piece; the problems that according to an existing measuring device for welding and manufacturing of the steel structure pipe truss, symmetry of measuring points cannot be conveniently kept in real time, misreading after deviation of the measuring points is easily caused, and the measuring points cannot be conveniently controlled to avoid weld joints are solved. And the pipe end limiting piece is matched with the opposite driving piece, so that the measured data can be ensured to be real-time symmetrical data when a worker measures the data.

Description

Technical Field

[0001] The invention relates to the technical field of tube truss measurement, in particular to a measuring device for welding and manufacturing steel structure tube trusses. Background Art

[0002] In actual welding work, pipe trusses are usually welded with branch pipes between two upper and lower curved main steel pipes. Before welding construction, the main pipes need to be measured for line laying accuracy, especially for arc-shaped pipe truss steel pipes, the symmetry of the measuring points needs to be ensured. The current measuring device for steel structure pipe truss welding and manufacturing mainly calibrates the measurement deviation through the pipe truss mold fixed on the ground, mainly by manually identifying the fit of the steel pipe and the mold bracket at each position. The measurement efficiency and accuracy are limited, because correction work is usually required when measuring the steel pipe points. The steel pipe is prone to displacement, which is not convenient for maintaining the symmetry of the measurement points in real time, and is prone to misreading after the measurement point deviation. It is not easy to ensure the safety of the spliced ​​welds when measuring and correcting the steel pipes, which is prone to breakage and safety accidents. At the same time, it is not easy to control the measurement points to avoid the welds, and there are protrusions on the weld surface, which affects the measurement accuracy.

[0003] Therefore, we propose a measuring device for welding and manufacturing of steel structure tube trusses. Summary of the Invention

[0004] The object of the present invention is to provide a measuring device for welding and manufacturing steel structure pipe trusses, so as to solve the problems raised in the above background technology that the current measuring device for welding and manufacturing steel structure pipe trusses is not convenient for maintaining the symmetry of the measuring points in real time, is prone to misreading after the measuring points deviate, and is not convenient for controlling the measuring points to avoid the welds.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: A measuring device for welding and manufacturing steel structure pipe trusses, comprising a measuring mounting part, on which a row of measuring parts are symmetrically mounted, wherein one row of the measuring parts is used to measure the accuracy of the pipe trusses; a row of the measuring parts are respectively mounted with displacement measuring parts; the displacement measuring parts are used to eliminate the prestress of the pipe trusses; an opposing driving part is mounted on the measuring mounting part; two pipe end limiters are mounted on the opposing driving part; the pipe end limiters are used to prevent data misreading; a gas protective part is mounted on the measuring mounting part; the gas protective part is used to prevent weld cracking; the measuring mounting part comprises: a measuring I-beam and a swivel mounting seat, a swivel mounting seat is fixedly mounted on the measuring I-beam; an annular cover is respectively provided on both sides of the swivel mounting seat; and a through groove is provided on the measuring I-beam.

[0006] Preferably, the measuring mounting member further comprises: a clockwork spring, and the clockwork springs are fixedly mounted in the annular covers on both sides of the rotary mounting seat.

[0007] Preferably, the measuring part includes: a segmented measuring cylinder, a positioning bolt, a driving screw and a scale line, the end of the segmented measuring cylinder is inserted into the measuring I-beam; two positioning bolts are threadedly connected to the segmented measuring cylinder, and the two positioning bolts pass through the through slots provided on the measuring I-beam respectively; the two positioning bolts are respectively squeezed and fitted to the measuring I-beam; a driving screw is rotatably installed on the segmented measuring cylinder; a circle of sockets is provided at the tail of the driving screw, and the circle of sockets at the tail of the driving screw is used to insert a crowbar; scale lines are provided on the segmented measuring cylinder; two through holes are provided at the tail of the segmented measuring cylinder, and the two through holes at the tail of the segmented measuring cylinder are used to pass bolts and anchor it to the ground.

[0008] Preferably, the displacement measuring component includes: a measuring point slider, a warning light, a pressure measuring slider, a pressure sensor and a limit rod, the measuring point slider is slidably installed on the segmented measuring cylinder; the measuring point slider is threadedly connected to the driving screw; a warning light is embedded in the measuring point slider; a pressure measuring slider is slidably installed on the measuring point slider; a pressure sensor is fixedly installed on the pressure measuring slider, and the pressure sensor is located on the inner side of the measuring point slider; a spring is provided between the measuring point slider and the pressure measuring slider; a limit rod is fixedly installed on the measuring point slider; the pressure sensor is used to detect local stress of the pipe truss; and the warning light is provided with two lamp beads of different colors.

[0009] Preferably, the displacement measuring component further comprises: an indicator needle, the indicator needle is fixedly mounted on the measuring point slider, and the indicator needle is aligned with the scale line.

[0010] Preferably, the opposing driving parts include: opposing threaded rods and opposing sliders, the opposing threaded rods are rotatably mounted on the rotary mounting seat; the opposing threaded rods are fixedly mounted on the inner ends of the two springs; the springs are used to drive the opposing threaded rods to rotate; two opposing sliders are slidably mounted on the measuring I-beam, and the two opposing sliders are respectively threadedly connected to the two ends of the opposing threaded rod.

[0011] Preferably, the pipe end limiter includes: a limit frame, an adjusting stud, a stop cover and a press switch, the limit frame is fixedly mounted on the opposing slider; the limit frame is threadedly connected to the adjusting stud, and the adjusting stud is fastened to the limit frame by two nuts; the adjusting stud is slidably plugged with the stop cover; the stop cover is used to fit the end of the pipe truss; the press switch is fixedly mounted on the adjusting stud, and the stop cover is squeezed to fit the press switch; a spring is connected between the stop cover and the adjusting stud; the press switch is electrically connected to the lamp bead on the warning light.

[0012] Preferably, the gas protection component includes: an intake pipe, a branch pipe and a sleeve, the intake pipe is fixedly mounted on a rotary mounting seat; a row of branch pipes is fixedly mounted on the intake pipe; a valve is provided on the branch pipe; a sleeve is fixedly mounted on each of the row of branch pipes, and the sleeve is a steel structure; the diameter of the sleeve is larger than the distance between the pressure measuring slider and the limit rod; the sleeve is located between a row of segmented measuring cylinders; the intake pipe is externally connected to an intake pump.

[0013] Preferably, the air protection protective component also includes: an expansion rubber pad, a pressure supply pipe and a pressure gauge. Expansion rubber pads are fixedly installed at both ends of the sleeve, and the two expansion rubber pads are connected by pipe fittings; a pressure supply pipe is fixedly installed on the expansion rubber pad; a valve is provided on the pressure supply pipe; a pressure gauge is fixedly installed on the side of the sleeve, and the pressure gauge is used for leak detection; the pressure supply pipe is used to connect to the air pump.

[0014] Preferably, the gas-protected protective component further includes: an installation switch, which is fixedly installed on the inner side of the sleeve; the installation switch is used to fit on the outer wall of the pipe truss; and the installation switch is electrically connected to another lamp bead on the warning light.

[0015] Compared with the prior art, the present invention has the following beneficial effects: The present invention adopts a displacement measuring piece that can cooperate with the measuring part to facilitate the staff to quickly measure the point data of each position of the steel pipe of the pipe truss. The measurement is fast. The use of the pressure sensor can avoid excessive pressure on the steel pipe during correction, which may cause damage. At the same time, it can facilitate the staff to understand the position of the steel pipe without visual observation. The measurement is accurate and efficient, ensuring that the data of each detection point is the data of the pressure measuring slider just contacting and fitting the steel pipe, and there is no excessive local pressure. It can be better applied to measurement while correction, and is convenient for timely adjustment of the measuring position of the measuring point slider.

[0016] The use of pipe end limiters in conjunction with opposing drive parts can facilitate workers to ensure that the measured data is real-time symmetrical data when measuring data, ensure that it meets the actual symmetrical structure required by the pipe truss, and avoid changes in the curvature of the steel pipe and the corresponding position of the steel pipe after correction, which are problems that are difficult to detect manually. It can ensure the accuracy of data when reading. The spring can automatically control the two limit frames to move inward and gather at the same time, ensuring that the two ends of the steel pipe are kept symmetrical before the staff needs to measure the steel pipe.

[0017] The use of gas-shielded protective parts can facilitate real-time adhesion to the outside of the steel pipe weld during measurement and correction. It is more suitable for long-distance splicing of steel pipes, can improve safety during measurement and correction, and can use air pressure testing to promptly prompt when the weld is broken or cracked. At the same time, the sleeve is sleeved on the outside of the weld for protection. Even if the steel pipe is broken, it can also be sleeved on the outside for protection. Another function of the gas-shielded protective part is that it can correspond to each weld on the sleeved steel pipe. In subsequent point measurements, because the weld usually has a bulge, the weld is prevented from fitting to the pressure measuring slider, which affects the measurement accuracy and makes the weld more susceptible to pressure fracture. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of a measuring device for welding and manufacturing steel structure pipe trusses according to the present invention; Figure 2 This is a schematic diagram of the rear structure of a measuring device for welding and manufacturing steel structure pipe trusses according to the present invention; Figure 3 This is a cross-sectional view of the internal structure of a measuring device for welding and manufacturing steel structure pipe trusses according to the present invention; Figure 4 For the present invention Figure 2 A magnified view of the structure of the middle B region; Figure 5 This is a schematic structural diagram of the measuring part of the present invention; Figure 6 For the present invention Figure 3 A magnified view of the structure of the middle C region; Figure 7 For the present invention Figure 5 A magnified view of the structure of the middle D region; Figure 8 This is a schematic diagram of the structure of the opposing driving member of the present invention; Figure 9 This is a schematic structural diagram of the pipe end limiter of the present invention; Figure 10 This is a schematic diagram of the structure of the gas protection component of the present invention; Figure 11 This is a schematic diagram of the switch position for installing the present invention.

[0019] In the figure: 1. Measuring mounting part; 101. Measuring I-beam; 102. Rotary mounting seat; 103. Spring; 2. Measuring part; 201. Segmented measuring cylinder; 202. Positioning bolt; 203. Driving screw; 204. Scale line; 3. Displacement measuring part; 301. Measuring point slider; 302. Warning light; 303. Pressure measuring slider; 304. Pressure sensor; 305. Limit rod; 306. Indicator needle; 4. Opposing driving part; 401. Opposing threaded rod; 402. Opposing slider; 5. Pipe end limit part; 501. Limit frame; 502. Adjusting stud; 503. Abutment cover; 504. Press switch; 6. Gas protection part; 601. Suction pipe; 602. Branch pipe; 603. Sleeve; 604. Expansion rubber pad; 605. Pressure supply pipe; 606. Pressure gauge; 607. Installation switch. DETAILED DESCRIPTION

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] Example 1: Please refer to Figures 1 to 11 As shown: The present invention provides a technical solution: a measuring device for welding and manufacturing steel structure pipe trusses, comprising a measuring mounting member 1, on which a row of measuring parts 2 are symmetrically mounted, the row of measuring parts 2 being used to measure the accuracy of the pipe trusses; displacement measuring parts 3 are respectively mounted on the row of measuring parts 2; the displacement measuring parts 3 are used to eliminate the prestress of the pipe trusses; an opposing driving member 4 is mounted on the opposing driving member 4; two pipe end limiters 5 are mounted on the pipe end limiters 5; the pipe end limiters 5 are used to prevent data misreading; a gas protective member 6 is mounted on the measuring mounting member 1; the gas protective member 6 is used to prevent weld cracking; the measuring mounting member 1 comprises: a measuring I-beam 101 and a swivel mounting seat 102, the swivel mounting seat 102 is fixedly mounted on the measuring I-beam 101; an annular cover is respectively provided on both sides of the swivel mounting seat 102; and a through groove is provided on the measuring I-beam 101.

[0022] Among them, the measuring mounting part 1 also includes: a clockwork spring 103, and the clockwork springs 103 are fixedly installed in the annular covers on both sides of the rotary mounting seat 102; the measuring part 2 includes: a segmented measuring cylinder 201, a positioning bolt 202, a driving screw 203 and a scale line 204, and the end of the segmented measuring cylinder 201 is inserted into the measuring I-beam 101; two positioning bolts 202 are threadedly connected to the segmented measuring cylinder 201, and the two positioning bolts 202 respectively pass through the through slots provided on the measuring I-beam 101; the two positioning bolts 202 are respectively pressed and fitted into the measuring I-beam 101; a driving screw 203 is rotatably installed on the segmented measuring cylinder 201; the driving screw The tail of 203 is provided with a circle of jacks, and the circle of jacks at the tail of the driving screw rod 203 is used to insert a crowbar; the segmented measuring cylinder 201 is provided with a scale line 204; the tail of the segmented measuring cylinder 201 is provided with two through holes, and the two through holes at the tail of the segmented measuring cylinder 201 are used to pass bolts and anchor it to the ground; the use of the measuring part 2 can facilitate the staff to flexibly adjust the number, which can better meet the number of measurement points required, and is simple to operate. By inserting the end of the segmented measuring cylinder 201 into the measuring I-beam 101, the positioning bolts 202 are respectively passed through the through slots provided on the measuring I-beam 101 and then threadedly connected to the segmented measuring cylinder 201 and tightened with a wrench; The displacement measuring member 3 includes: a measuring point slider 301, a warning light 302, a pressure measuring slider 303, a pressure sensor 304 and a limit rod 305. The HZC-H1 pressure sensor 304 can be used, and a matching display is used. The measuring point slider 301 is slidably mounted on the segmented measuring cylinder 201; the measuring point slider 301 is threadedly connected to the driving screw 203; the measuring point slider 301 is embedded with a warning light 302; the measuring point slider 301 is slidably mounted with a pressure measuring slider 303; the pressure measuring slider 303 is fixedly mounted with a pressure sensor 304, and the pressure sensor 304 is located on the measuring point slider 301. Inside; a spring is provided between the measuring point slider 301 and the pressure measuring slider 303; a limit rod 305 is fixedly installed on the measuring point slider 301; a pressure sensor 304 is used to detect the local stress of the pipe truss; two lamp beads of different colors are provided on the warning light 302; the displacement measuring piece 3 also includes: an indicator needle 306, an indicator needle 306 is fixedly installed on the measuring point slider 301, and the indicator needle 306 is aligned with the scale line 204. The displacement measuring piece 3 can be used in conjunction with the measuring part 2 to facilitate the staff to quickly measure the point data of each position of the steel pipe of the pipe truss, and the measurement is fast. At the same time, this structure can be better applied For the measurement of longer steel pipes, this structure uses pressure sensor 304 to facilitate the staff to understand the pressure value, especially for the two ends of the steel pipe, which can ensure the accuracy of steel pipe measurement while avoiding excessive pressure on the steel pipe during correction, causing damage. At the same time, it can facilitate the staff to understand the position of the steel pipe without naked eye observation, and the measurement is accurate and efficient, ensuring that the data of each detection point is the data of the pressure measuring slider 303 just touching the steel pipe, without excessive local pressure, and can be better applied to measurement while correction, so as to facilitate timely adjustment of the measuring position of the measuring point slider 301, and rotate The screw rod 203 is driven to drive the measuring point slider 301 to move, driving the pressure measuring slider 303 to squeeze and fit the steel pipe until the pressure measuring slider 303 compresses the internal spring, driving the pressure sensor 304 to be squeezed, and there is a reading, and when the reading is close to 0, it means that the side measuring point is in contact and will not cause excessive squeezing. At this time, the position of the indicator needle 306 corresponding to the scale line 204 can be observed. Once the steel pipe size does not meet the standard, the pressure measuring slider 303 will not contact the steel pipe at all or will be excessively squeezed by the steel pipe, and the data deviation corresponding to the pressure sensor 304 will be large. At this time, it is necessary to make adjustments and then observe the measurement data.

[0023] The opposing driving member 4 includes: opposing threaded rods 401 and opposing sliders 402, the opposing threaded rods 401 are rotatably mounted on the rotary mounting seat 102; the opposing threaded rods 401 are fixedly mounted on the inner ends of the two springs 103; the springs 103 are used to drive the opposing threaded rods 401 to rotate; two opposing sliders 402 are slidably mounted on the measuring I-beam 101, and the two opposing sliders 402 are respectively threadedly connected to the two ends of the opposing threaded rods 401; the pipe end limiter 5 includes : Limit frame 501, adjusting stud 502, abutment cover 503 and press switch 504, the limit frame 501 is fixedly installed on the opposite slider 402; the limit frame 501 is threadedly connected with the adjusting stud 502, and the adjusting stud 502 is fastened to the limit frame 501 through two nuts; the adjusting stud 502 is slidably plugged with the abutment cover 503; the abutment cover 503 is used to fit the end of the pipe truss; the adjusting stud 502 is fixedly installed with a press switch 504, and the abutment cover 503 is used to fit the end of the pipe truss; the adjusting stud 502 is fixedly installed with a press switch 504, and the abutment cover 503 is used to fit the end of the pipe truss The cover 503 is squeezed and fitted with the press switch 504; a spring is connected between the cover 503 and the adjusting stud 502; the press switch 504 is electrically connected to the lamp bead on the warning light 302, and the pipe end limiter 5 is used in conjunction with the opposing drive member 4, which can facilitate the staff to ensure that the measured data is real-time symmetrical data when performing data measurement, avoiding the problem that the curvature of the steel pipe changes and the corresponding steel pipe position changes after correction, which is difficult to detect manually, and can ensure the accuracy of the data when taking readings. At the same time, this structure can automatically control the two limit frames 501 to move inward and gather at the same time in conjunction with the clockwork 103, ensuring that before the staff needs to measure the steel pipe, they need to rotate the opposing threaded rod 401 to control the cover 503 to expand outward, otherwise the distance between the two cover 503 is less than the length of the steel pipe, and the steel pipe cannot be installed and measured normally. It is necessary to meet the requirements that both press switches 504 are squeezed, otherwise the warning light 302 is in a constantly on prompt state.

[0024] Example 2, based on Example 1, the gas protection shield 6 includes: an intake pipe 601, a branch pipe 602 and a sleeve 603, the intake pipe 601 is fixedly mounted on the rotary mounting seat 102; a row of branch pipes 602 are fixedly mounted on the intake pipe 601; a valve is provided on the branch pipe 602; a sleeve 603 is fixedly mounted on each of the row of branch pipes 602, and the sleeve 603 is a steel structure; the diameter of the sleeve 603 is larger than the distance between the pressure measuring slider 303 and the limit rod 305; the sleeve 603 is located between a row of segmented measuring cylinders 201; the number of branch pipes 602 is adjusted according to the number of welds of the pipe truss steel pipe, and the pipe truss steel pipe is referred to as steel pipe hereinafter Tube; the suction pipe 601 is externally connected to the suction pump; the gas protection protective part 6 also includes: an expansion rubber pad 604, a pressure pipe 605 and a pressure gauge 606, and the expansion rubber pads 604 are fixedly installed at both ends of the sleeve 603, and the two expansion rubber pads 604 are connected by a pipe fitting; a pressure pipe 605 is fixedly installed on the expansion rubber pad 604; a valve is provided on the pressure pipe 605; a pressure gauge 606 is fixedly installed on the side of the sleeve 603, and the pressure gauge 606 is used for leak detection; the pressure pipe 605 is used to connect the air pump; the gas protection protective part 6 also includes: an installation switch 607, the installation switch 607 is fixedly installed on the inside of the sleeve 603; the installation switch 607 is used to fit on the outer wall of the pipe truss; the switch 607 is installed to electrically connect another lamp bead on the warning light 302. The use of the gas-protected protective member 6 can facilitate the structure to fit on the outside of the steel pipe weld in real time when measuring and correcting. It can be more suitable for long-distance splicing of steel pipes, and can improve the safety during measurement and correction. It can use the air pressure test method to promptly prompt when the weld is broken or cracked. At the same time, the sleeve 603 is sleeved on the outside of the weld for protection. Even if the steel pipe is broken, it can also be sleeved on the outside for protection, which can improve the safety of the structure. At the same time, another function of the gas-protected protective member 6 is to be able to sleeve the steel pipe correspondingly. The various welds on the pipe can be used for subsequent point measurements because the welds usually have protrusions to prevent the welds from fitting onto the pressure measuring slider 303, which affects the measurement accuracy and makes the welds more susceptible to pressure fracture. The diameter of the sleeve 603 is larger than the distance between the pressure measuring slider 303 and the limit rod 305, so the sleeve 603 cannot be placed between the pressure measuring slider 303 and the limit rod 305 for protection. The installation switch 607 can be used to ensure that the sleeve 603 is installed on the steel pipe, preventing staff from forgetting to use the sleeve 603 because the installation switch 607 will be squeezed on the outside of the steel pipe when the sleeve 603 is installed on the steel pipe.

[0025] The working principle of this embodiment: First, when taking measurements, place this structure on the ground, and place the steel pipe between the pressure measuring slider 303 and the limit rod 305. At this time, the screw rod 203 can be rotated to drive the measuring point slider 301 to move, driving the pressure measuring slider 303 to squeeze and fit the steel pipe until the pressure measuring slider 303 compresses the internal spring, driving the pressure sensor 304 to be squeezed, and there is a reading, and when the reading approaches 0, it means that the side measurement point is in contact and will not cause excessive squeezing. At this time, the position of the indicator needle 306 corresponding to the scale line 204 can be observed. Once the steel pipe size does not meet the standard, the pressure measuring slider 303 will not contact the steel pipe at all or will be excessively squeezed by the steel pipe, and the data deviation corresponding to the pressure sensor 304 will be It will be larger. At this time, it is necessary to make adjustments and then observe the measured data. When the steel pipe needs to be fine-tuned and corrected, the screw rod 203 can also be rotated to drive the measuring point slider 301 to move, so as to bend the steel pipe for correction. Paying attention to the correction pressure can prevent local excessive pressure. If the measuring point slider 301 is pushed inward, the steel pipe can be squeezed and pushed for correction through the limit rod 305. At this time, the pressure sensors 304 on the pressure measuring sliders 303 on both sides of the limit rod 305 can detect in real time. On the contrary, if the steel pipe is pushed outward for correction through the pressure measuring slider 303, the corresponding pressure sensor 304 can directly measure the pressure value, and the driving screw rod 203 can be inserted by a crowbar to assist in labor-saving driving. Before measuring the steel pipe, it is necessary to rotate the opposite direction first. The threaded rod 401 controls the abutment cover 503 to expand outwards, otherwise the distance between the two abutment covers 503 is less than the length of the steel pipe, and the steel pipe cannot be installed and measured normally. During actual measurement, it is necessary to ensure that the two ends of the steel pipe are squeezed and fit against the abutment cover 503, and the opposing threaded rod 401, under the drive of the spring 103, can threadably drive the opposing slider 402 to move inwards, driving the limit frame 501 to move together, and can drive the adjusting stud 502 to squeeze the press switch 504, at this time the lamp bead on the warning light 302 can be extinguished, and it is necessary to satisfy that both press switches 504 are squeezed, because the two opposing sliders 402 move in opposite directions, which can maintain symmetry with a row of segmented measuring tubes 201, otherwise the warning light 302 is in a constantly on prompt state, and this The data at that time cannot be recorded and needs to be adjusted. At the same time, the staff can rotate the opposing threaded rod 401 in real time to drive the abutment cover 503 to move and detect the symmetry of the current two ends of the steel pipe; after the sleeve 603 is put on the steel pipe weld for protection, the pressure pipe 605 can be connected to the external air pump to inflate the expansion rubber pad 604, so that it expands and fits the outer wall of the steel pipe. At this time, the installation switch 607 will also squeeze and fit the steel pipe, and the other lamp bead on the warning light 302 can be extinguished to provide a prompt. At the same time, air can be inhaled through the external suction pump of the suction pipe 601. At this time, open the valves on each branch pipe 602 and pay attention to the pressure gauge 606. If the subsequent pressure change of the pressure gauge 606 is large, it means that there is a leak point and it needs to be repaired and welded.

[0026] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0027] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A measuring device for welding and manufacturing steel structure pipe trusses, comprising a measuring mounting member (1), wherein a row of measuring parts (2) are symmetrically mounted on the measuring mounting member (1), and characterized in that: A row of the measuring parts (2) is used to measure the accuracy of the tube truss; a row of the measuring parts (2) is respectively equipped with displacement measuring pieces (3); the displacement measuring pieces (3) are used to eliminate the prestress of the tube truss; The measuring mounting member (1) is provided with an opposing driving member (4); the opposing driving member (4) is provided with two pipe end limiting members (5); the pipe end limiting members (5) are used to prevent data misreading; A gas protection member (6) is installed on the measuring mounting member (1); the gas protection member (6) is used to prevent weld seam cracking; The measuring mounting member (1) comprises: a measuring I-beam (101) and a rotary mounting seat (102); the rotary mounting seat (102) is fixedly mounted on the measuring I-beam (101); an annular cover is provided on both sides of the rotary mounting seat (102); and a through slot is provided on the measuring I-beam (101).

2. A measuring device for welding and manufacturing steel structure pipe trusses according to claim 1, characterized in that: The measuring mounting member (1) further comprises a spring (103), and the springs (103) are fixedly mounted in the annular covers on both sides of the rotary mounting seat (102).

3. The measuring device for welding and manufacturing steel structure pipe trusses according to claim 1, characterized in that: The measuring part (2) comprises: a segmented measuring cylinder (201), a positioning bolt (202), a driving screw (203) and a scale line (204); the end of the segmented measuring cylinder (201) is inserted into the measuring I-beam (101); two positioning bolts (202) are threadedly connected to the segmented measuring cylinder (201), and the two positioning bolts (202) respectively pass through the through slots provided on the measuring I-beam (101); the two positioning bolts (202) are respectively squeezed A measuring I-steel (101) is pressed and fitted; a driving screw (203) is rotatably mounted on the segmented measuring cylinder (201); a circle of jacks is provided at the tail of the driving screw (203), and the circle of jacks at the tail of the driving screw (203) is used to insert a crowbar; a scale line (204) is provided on the segmented measuring cylinder (201); two through holes are provided at the tail of the segmented measuring cylinder (201), and the two through holes at the tail of the segmented measuring cylinder (201) are used to pass bolts and anchor the segmented measuring cylinder (201) to the ground.

4. A measuring device for welding and manufacturing steel structure pipe trusses according to claim 3, characterized in that: The displacement measuring member (3) comprises: a measuring point slider (301), a warning light (302), a pressure measuring slider (303), a pressure sensor (304) and a limiting rod (305); the measuring point slider (301) is slidably mounted on the segmented measuring cylinder (201); the measuring point slider (301) is threadedly connected to the driving screw (203); the measuring point slider (301) is embedded with a warning light (302); the measuring point slider (301) is slidably mounted with a pressure measuring slider (303); the pressure sensor (304) is fixedly mounted on the pressure measuring slider (303), and the pressure sensor (304) is located inside the measuring point slider (301); a spring is provided between the measuring point slider (301) and the pressure measuring slider (303); the limiting rod (305) is fixedly mounted on the measuring point slider (301); the pressure sensor (304) is used to detect local stress of the pipe truss; and the warning light (302) is provided with two lamp beads of different colors.

5. The measuring device for welding and manufacturing steel structure pipe trusses according to claim 4, characterized in that: The displacement measuring member (3) further comprises an indicator needle (306), the indicator needle (306) being fixedly mounted on the measuring point slider (301), and the indicator needle (306) being aligned with the scale line (204).

6. The measuring device for welding and manufacturing steel structure pipe trusses according to claim 2, characterized in that: The opposing driving member (4) comprises: an opposing threaded rod (401) and an opposing slider (402), wherein the opposing threaded rod (401) is rotatably mounted on the rotary mounting seat (102); the opposing threaded rod (401) is fixedly mounted on the inner ends of the two clockwork springs (103); the clockwork springs (103) are used to drive the opposing threaded rod (401) to rotate; and two opposing sliders (402) are slidably mounted on the measuring I-beam (101), and the two opposing sliders (402) are respectively threadedly connected to the two ends of the opposing threaded rod (401).

7. A measuring device for welding and manufacturing steel structure pipe trusses according to claim 6, characterized in that: The pipe end limiter (5) comprises: a limit frame (501), an adjusting stud (502), a support cover (503) and a press switch (504); the limit frame (501) is fixedly mounted on the opposing slider (402); the limit frame (501) is threadedly connected to the adjusting stud (502), and the adjusting stud (502) is fastened to the limit frame (501) via two nuts; the support cover (503) is slidably plugged onto the adjusting stud (502); the support cover (503) is used to fit the end of the pipe truss; the press switch (504) is fixedly mounted on the adjusting stud (502), and the support cover (503) is pressed and fitted to the press switch (504); a spring is connected between the support cover (503) and the adjusting stud (502); and the press switch (504) is electrically connected to the lamp bead on the warning light (302).

8. The measuring device for welding and manufacturing steel structure pipe trusses according to claim 4, characterized in that: The gas protection component (6) comprises: an air intake pipe (601), a branch pipe (602) and a sleeve (603); the air intake pipe (601) is fixedly mounted on the rotary mounting seat (102); a row of branch pipes (602) is fixedly mounted on the air intake pipe (601); a valve is provided on the branch pipe (602); a sleeve (603) is fixedly mounted on each of the row of branch pipes (602), and the sleeve (603) is a steel structure; the diameter of the sleeve (603) is larger than the distance between the pressure measuring slider (303) and the limit rod (305); the sleeve (603) is located between a row of segmented measuring cylinders (201); and the air intake pipe (601) is externally connected to an air intake pump.

9. A measuring device for welding and manufacturing steel structure pipe trusses according to claim 8, characterized in that: The gas protection shield (6) further comprises: an expansion rubber pad (604), a pressure supply pipe (605) and a pressure gauge (606); the expansion rubber pads (604) are fixedly mounted on both ends of the interior of the sleeve (603), and the two expansion rubber pads (604) are connected via a pipe fitting; a pressure supply pipe (605) is fixedly mounted on the expansion rubber pad (604); a valve is provided on the pressure supply pipe (605); a pressure gauge (606) is fixedly mounted on the side of the sleeve (603), and the pressure gauge (606) is used for leak detection; the pressure supply pipe (605) is used for connecting to an air pump.

10. A measuring device for welding and manufacturing steel structure pipe trusses according to claim 9, characterized in that: The gas protection member (6) further comprises: a mounting switch (607), the mounting switch (607) being fixedly mounted on the inner side of the sleeve (603); the mounting switch (607) being adapted to be attached to the outer wall of the pipe truss; and the mounting switch (607) being electrically connected to another lamp bead on the warning light (302).

Images