CN112129646A

CN112129646A - Steel pipe bending resistance detection device for building construction

Info

Publication number: CN112129646A
Application number: CN202011028463.0A
Authority: CN
Inventors: 孙继娟
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2020-12-25

Abstract

The invention discloses a steel pipe bending resistance detection device for building construction in the technical field of engineering detection, which comprises a workbench, wherein supporting legs are uniformly arranged at the bottom of the workbench, vertical rods are arranged at four corners of the top of the workbench, top seats are connected with the tops of four groups of vertical rods, a detection device is connected with the front end surface of each top seat, limiting devices are arranged at the left side and the right side of the top of the workbench, steel pipe main bodies are arranged on the two groups of limiting devices, the steel pipe bending resistance detection device for building construction can limit a steel pipe when detecting the bending resistance of the steel pipe, so that the steel pipe can be effectively prevented from being deviated in the detection process to cause the damage of a supporting piece, and the steel pipe bending resistance detection device for building construction can detect the steel pipes with different pipe diameters, the applicability is strong, so that the application range of the device is widened.

Description

Steel pipe bending resistance detection device for building construction

Technical Field

The invention relates to the technical field of engineering detection, in particular to a device for detecting the bending resistance of a steel pipe for building construction.

Background

A steel pipe is a tubular steel material having a hollow cross section and a length much greater than the diameter or circumference of the steel material. The steel pipe is divided into round, square, rectangular and special-shaped steel pipes according to the shape of the cross section; the steel pipe is divided into a carbon structural steel pipe, a low-alloy structural steel pipe, an alloy steel pipe and a composite steel pipe according to the material quality; the steel pipes are divided into steel pipes for conveying pipelines, engineering structures, thermal equipment, petrochemical industry, machinery manufacturing, geological drilling, high-pressure equipment and the like according to the application; the production process includes seamless steel pipe and welded steel pipe, the seamless steel pipe includes hot rolling and cold rolling (drawing), and the welded steel pipe includes straight seam welded steel pipe and spiral seam welded steel pipe.

At present when detecting the anti bending ability of steel pipe, lack the restriction to the steel pipe, when pressing the steel pipe, the skew takes place easily at both ends and causes the damage to support piece, and simultaneously, current steel pipe detection device can only detect the steel pipe of a model time measuring, can not realize detecting the steel pipe of different diameters, need a steel pipe anti bending ability detection device can adapt to the steel pipe that the diameter differs, thereby the detection device that leads to appearing on the market mostly lacks the adaptability, it has the limitation to detect, therefore, one kind is based on anti bending ability detection device of steel pipe for construction has practical value very much.

Disclosure of Invention

The invention aims to provide a device for detecting the bending resistance of a steel pipe for building construction, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an anti bending ability detection device of steel pipe for construction, includes the workstation, the bottom of workstation evenly is provided with the landing leg, the top four corners department of workstation all is provided with the pole setting, four groups the top of pole setting all is connected with the footstock, the preceding terminal surface of footstock is connected with detection device, the top left and right sides of workstation all is provided with limiting device, and is two sets of all be provided with the steel pipe main part on the limiting device.

Preferably, the detection device comprises a cylinder, the rear end of the cylinder is connected with a first speed reduction motor, the first speed reduction motor is fixedly connected with the front end face of the top seat, fixed sawteeth are uniformly arranged on the inner wall of the cylinder, a rotating rod is arranged in the inner cavity of the cylinder, an output end shaft of the first speed reduction motor penetrates through the front end face of the cylinder and is fixedly connected with the rotating rod, a driving gear matched with the fixed sawteeth is arranged on the rear end face of the rotating rod, a swinging rod is arranged on the front end face of the rotating rod, the driving gear and the swinging rod are rotatably connected through a pin shaft, a swinging rod is arranged on the front end face of the rotating rod, a moving block is arranged on the rear end face of the swinging rod, which is far away from one end of the rotating rod, the swinging rod is rotatably connected with the moving block through a second pin shaft, the, the bottom of lower foundation is provided with electric cylinder, electric cylinder bottom fixedly connected with mount, the mount inner chamber is provided with multiunit pressure roller subassembly.

Preferably, a T-shaped sliding block is arranged on the rear end face of the moving block, a T-shaped sliding rail is arranged at the position, corresponding to the T-shaped sliding block, of the front end of the top seat, and the T-shaped sliding block is movably arranged in an inner cavity of the matched T-shaped sliding rail.

Preferably, the pressure roller subassembly includes the compression roller main part, the limit curb plate is all connected to the front and back end of compression roller main part the front side on compression roller main part surface is provided with the ring channel, compression roller main part periphery is cup jointed and is provided with the side splint, the rear end face top of compression roller main part rear end side splint is connected with gear motor two, gear motor two is last to be connected with screw rod one, screw rod one periphery is cup jointed and is provided with swivel nut one, screw rod one is kept away from two one ends of gear motor and is cup jointed and be fixed with bearing frame one, the end of carrying on the back of the body of two sets of limit curb plates that compression roller main part front and back end links all is connected with the jack-post.

Preferably, the side clamping plate is provided with a first mounting hole in a penetrating manner at a position corresponding to the threaded sleeve, the threaded sleeve is fixedly connected to an inner cavity of the matched first mounting hole, the side plate is provided with a second mounting hole in a penetrating manner at a position corresponding to the bearing seat, and the first bearing seat is fixedly connected to an inner cavity of the matched second mounting hole.

Preferably, the limiting device comprises a supporting seat, the supporting seat is fixed on the left side and the right side of the top of the workbench respectively, a connecting frame is arranged at the top of the supporting seat, a placing groove is formed in the top of the supporting seat, the left end and the right end of the steel pipe body are respectively arranged in the placing groove inner cavities matched with each other, a clamping plate is arranged in the connecting frame inner cavity, a second bearing seat is connected to the top of the upper clamping plate, a second screw rod is fixedly connected to the inner cavity of the second bearing seat in an inserting mode, a second thread sleeve is sleeved on the periphery of the second screw rod, a guide needle is evenly connected to the top of the upper clamping plate, the top of the guide needle penetrates through the connecting frame and extends out of the inner.

Preferably, the top of the inner cavity of the connecting frame longitudinally penetrates through the preformed hole matched with the top of the corresponding position of the threaded sleeve, the two threaded sleeves are fixedly connected with the inner cavity of the preformed hole matched with the threaded sleeve, and the bottom of the upper clamping plate is provided with a rubber anti-slip cushion layer in an adhesive manner.

Compared with the prior art, the invention has the beneficial effects that:

1. when the steel pipe bending resistance detection device for building construction is used, the two ends of the steel pipe main body are placed in the inner cavities of the placing grooves at the tops of the supporting seats on the left side and the right side of the top of the workbench, and the handles connected with the tops of the screw rods are rotated, so that the screw rods drive the upper clamping plates to clamp and fix the end parts of the steel pipe main body, the steel pipe main body is effectively prevented from shifting and deviating in the detection process, and the accuracy of a detection result is guaranteed;

2. the second screw rod is driven to rotate through rotation of the handle, the second screw rod drives the upper clamping plate to adjust the vertical distance under the action of the second screw sleeve, so that the limiting device can clamp steel pipes with different pipe diameters, the device can detect the steel pipes with different pipe diameters, the upper clamping plate does not deviate in position during vertical movement through guiding and limiting effects of guiding the movement of the upper clamping plate, and the end part of the steel pipe main body can be accurately clamped and fixed;

3. the electric oil cylinder drives the compression roller main body to perform jacking operation on the top of the steel pipe main body, so that bending resistance detection on the steel pipe is realized, before the steel pipe is detected, the top of the steel pipe main body is arranged in the inner cavity of the annular groove, and the screw rod I is driven to rotate by the speed reduction motor II, so that the screw sleeve I drives the side clamping plate to clamp the side edge of the steel pipe main body, and therefore the steel pipe main body is effectively prevented from sliding on the surface of the compression roller main body when the compression roller main body performs jacking operation on the steel pipe main body, and the accuracy and precision of a detection result are improved;

4. this based on anti bending capability detection device of steel pipe for construction can restrict the steel pipe when carrying out anti bending force detection to the steel pipe to can prevent effectively that the steel pipe from taking place the skew in the testing process, thereby cause support piece's damage, and this based on anti bending capability detection device of steel pipe for construction can realize detecting the steel pipe of different pipe diameters, and the suitability is strong, makes the device's application range widen.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural diagram of a detecting device according to the present invention;

FIG. 3 is a side view of a pressure roller assembly construction of the present invention;

FIG. 4 is a side view of the construction of the restraining means of the present invention.

In the figure: 1. a work table; 2. a support leg; 3. a steel pipe body; 4. a detection device; 41. a barrel; 42. a first speed reducing motor; 43. a pressure roller assembly; 431. a compression roller main body; 432. a side plate; 433. an annular groove; 434. a side clamping plate; 435. a first screw sleeve; 436. a first screw rod; 437. a first bearing seat; 438. a second speed reducing motor; 44. a rotating rod; 45. a driving gear; 46. a swing lever; 47. a moving block; 48. a lower bottom pillar; 49. an electric oil cylinder; 410. a fixed mount; 411. fixing saw teeth; 5. a restriction device; 51. a supporting seat; 52. a placement groove; 53. a connecting frame; 54. a second threaded sleeve; 55. a second screw; 56. a second bearing seat; 57. an upper clamping plate; 58. a guide needle; 6. erecting a rod; 7. a top seat; 8. t type slide rail.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution of a steel pipe bending resistance detection apparatus for building construction: a steel pipe bending resistance detection device for building construction comprises a workbench 1, wherein supporting legs 2 are uniformly arranged at the bottom of the workbench 1, vertical rods 6 are arranged at four corners of the top of the workbench 1, tops of four groups of vertical rods 6 are connected with top seats 7, the front end face of each top seat 7 is connected with a detection device 4, limiting devices 5 are arranged on the left side and the right side of the top of the workbench 1, steel pipe main bodies 3 are arranged on the two groups of limiting devices 5, the steel pipe bending resistance detection device for building construction can limit the steel pipe when detecting the bending resistance of the steel pipe, thereby effectively preventing the steel pipe from deviating in the detection process so as to cause the damage of the supporting piece, and, this based on anti bending capability detection device of steel pipe for construction can realize detecting the steel pipe of different pipe diameters, and the suitability is strong for the device's application range increases.

Referring to fig. 1 and 2, the detecting device 4 includes a cylinder 41, a front end surface of the cylinder 41 is open, a rear end of the cylinder 41 is connected to a first decelerating motor 42, the first decelerating motor 42 is fixedly connected to a front end surface of the top base 7, inner walls of the cylinder 41 are uniformly provided with fixed saw teeth 411, an inner cavity of the cylinder 41 is provided with a rotating rod 44, an output end shaft of the first decelerating motor 42 penetrates through the front end surface of the cylinder 41 and is fixedly connected to the rotating rod 44, a rear end surface of the rotating rod 44 is provided with a driving gear 45 matched with the fixed saw teeth 411, a front end surface of the rotating rod 44 is provided with a swinging rod 46, the rotating rod 44, the driving gear 45 and the swinging rod 46 are rotatably connected by a pin shaft, the front end surface of the rotating rod 44 is provided with a swinging rod 46, a rear end surface of the swinging rod 46 far from one end of the rotating rod 44 is provided with a moving block 47, the swinging rod 46, the bottom of the moving block 47 is connected with a lower bottom column 48, the bottom of the lower bottom column 48 is provided with an electric oil cylinder 49, the bottom of the electric oil cylinder 49 is fixedly connected with a fixing frame 410, and the inner cavity of the fixing frame 410 is provided with a plurality of groups of pressure roller assemblies 43.

Referring to fig. 1 and 2, a T-shaped slider is disposed on a rear end surface of the moving block 47, a T-shaped sliding rail 8 is disposed at a position corresponding to the T-shaped slider on a front end of the top seat 7, and the T-shaped slider is movably disposed in an inner cavity of the T-shaped sliding rail 8.

Referring to fig. 2 and 3, the pressure roller assembly 43 includes a roller main body 431, the front end and the rear end of the roller main body 431 are both connected with edge side plates 432, an annular groove 433 is formed in the front side of the surface of the roller main body 431, a side clamping plate 434 is sleeved on the periphery of the roller main body 431, a second speed reduction motor 438 is connected to the top of the rear end surface of the edge side plate 432 connected to the rear end of the roller main body 431, a first screw rod 436 is connected to the second speed reduction motor 438, a first screw sleeve 435 is sleeved on the periphery of the first screw rod 436, a first bearing seat 437 is sleeved on one end of the first screw rod 436 away from the second speed reduction motor 438, opposite ends of the two edge side plates 432 connected to the front end and the rear end of the.

Referring to fig. 3, a first mounting hole is formed through the side clamp plate 434 and the first threaded sleeve 435, the first threaded sleeve 435 is fixedly connected with an inner cavity of the first matched mounting hole, the second mounting hole penetrates through the position of the side plate 432 corresponding to the first bearing seat 437, the first bearing seat 437 is fixedly connected with an inner cavity of the second matched mounting hole, the electric oil cylinder 49 drives the compression roller main body 431 to perform jacking operation on the top of the steel pipe main body 3, so that the bending resistance detection of the steel pipe is realized, before the steel pipe is detected, the top of the steel pipe main body 3 is arranged in the inner cavity of the annular groove 433, and drives the first screw rod 436 to rotate through the second gear motor 438, so that the first screw sleeve 435 drives the side clamping plate 434 to clamp the side edge of the steel pipe main body 3, therefore, when the steel pipe main body 431 is subjected to jacking operation on the steel pipe main body 3, the steel pipe main body 3 is effectively prevented from sliding on the surface of the steel pipe main body 431, and the accuracy and precision of a detection result are improved.

Referring to fig. 1 and 4, the limiting device 5 includes supporting seats 51, two groups of supporting seats 51 are respectively fixed on the left and right sides of the top of the workbench 1, a connecting frame 53 is arranged on the top of the supporting seats 51, a placing groove 52 is arranged on the top of the supporting seats 51, the left and right ends of the steel pipe main body 3 are respectively arranged in inner cavities of the placing grooves 52 matched with each other, an upper clamping plate 57 is arranged in the inner cavity of the connecting frame 53, the top of the upper clamping plate 57 is connected with a second bearing seat 56, a second screw 55 is fixedly inserted into the inner cavity of the second bearing seat 56, the periphery of the second screw 55 is sleeved with a second screw sleeve 54, the top of the upper clamping plate 57 is uniformly connected with a guiding needle 58, the top end of the guiding needle 58 penetrates through the.

Referring to fig. 1 and 4, a preformed hole matched with the top of the inner cavity of the connecting frame 53 is longitudinally arranged at a position corresponding to the second screw sleeve 54 in a penetrating manner, the second screw sleeve 54 is fixedly connected to the inner cavity of the matched preformed hole, and a rubber anti-slip cushion layer is adhesively arranged at the bottom of the upper clamping plate 57, so that when the device for detecting the bending resistance of the steel pipe for building construction is in use, the two ends of the steel pipe main body 3 are placed in the inner cavities of the placing grooves 52 at the tops of the left and right supporting seats 51 at the top of the workbench 1, and the handle connected with the top of the second screw rod 55 is rotated, so that the second screw rod 55 drives the upper clamping plate 57 to clamp and fix the end of the steel pipe main body 3, thereby effectively preventing the steel pipe main body 3 from shifting and deviating in the detection process, ensuring the accuracy of the detection result, the second screw rod 55 is rotated by the rotation of the handle, and the second screw rod 55 drives the upper clamping, make limiting device 5 can carry out the centre gripping operation to the steel pipe of different pipe diameters to let the device can detect the operation to the steel pipe of different pipe diameters, through leading the direction and the limiting displacement of needle 58 to the motion of last grip block 57, make last grip block 57 not take place the offset when moving from top to bottom, can be accurate carry out centre gripping fixed operation to steel pipe main part 3 tip.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an anti bending capability detection device of steel pipe for construction, includes workstation (1), its characterized in that: the bottom of workstation (1) evenly is provided with landing leg (2), the top four corners department of workstation (1) all is provided with pole setting (6), four groups the top of pole setting (6) all is connected with footstock (7), the preceding terminal surface of footstock (7) is connected with detection device (4), the top left and right sides of workstation (1) all is provided with limiting device (5), and is two sets of all be provided with steel pipe main part (3) on limiting device (5).

2. The steel pipe bending resistance detection device for building construction according to claim 1, characterized in that: the detection device (4) comprises a cylinder body (41), a first speed reduction motor (42) is connected to the rear end of the cylinder body (41), the first speed reduction motor (42) is fixedly connected to the front end face of the top base (7), fixed sawteeth (411) are uniformly arranged on the inner wall of the cylinder body (41), a rotating rod (44) is arranged in the inner cavity of the cylinder body (41), an output end shaft of the first speed reduction motor (42) penetrates through the front end face of the cylinder body (41) and is fixedly connected with the rotating rod (44), a driving gear (45) matched with the fixed sawteeth (411) is arranged on the rear end face of the rotating rod (44), a swinging rod (46) is arranged on the front end face of the rotating rod (44), the driving gear (45) and the swinging rod (46) are rotatably connected through a pin shaft, a swinging rod (46) is arranged on the front end face of the rotating rod (44), and a moving block (47) is arranged on the rear end face of the, the swing rod (46) is rotatably connected with the moving block (47) through a second pin shaft, the swing rod (46) is attached to the front end of the cylinder body (41), the bottom of the moving block (47) is connected with a lower bottom pillar (48), an electric oil cylinder (49) is arranged at the bottom of the lower bottom pillar (48), a fixing frame (410) is fixedly connected to the bottom of the electric oil cylinder (49), and a plurality of groups of pressure roller assemblies (43) are arranged in the inner cavity of the fixing frame (410).

3. The steel pipe bending resistance detection device for building construction according to claim 2, characterized in that: the rear end face of the moving block (47) is provided with a T-shaped sliding block, a T-shaped sliding rail (8) is arranged at the position, corresponding to the T-shaped sliding block, of the front end of the top seat (7), and the T-shaped sliding block is movably arranged in the inner cavity of the matched T-shaped sliding rail (8).

4. The steel pipe bending resistance detection device for building construction according to claim 2, characterized in that: the pressure roller assembly (43) comprises a roller main body (431), the front end and the rear end of the roller main body (431) are both connected with an edge side plate (432), an annular groove (433) is arranged on the front side of the surface of the roller main body (431), a side clamping plate (434) is sleeved on the periphery of the compression roller main body (431), a second speed reduction motor (438) is connected to the top of the rear end surface of the side plate (432) connected with the rear end of the compression roller main body (431), the second gear motor (438) is connected with a first screw rod (436), the periphery of the first screw rod (436) is sleeved with a first screw sleeve (435), one end of the screw rod I (436) far away from the speed reducing motor II (438) is fixedly sleeved with a bearing seat I (437), the back ends of two groups of side plates (432) connected with the front end and the rear end of the compression roller main body (431) are connected with shaft columns, and the back ends of the two groups of shaft columns penetrate through the fixing frame (410).

5. The steel pipe bending resistance detection device for building construction according to claim 4, characterized in that: the side clamping plate (434) is provided with a first mounting hole in a penetrating mode at a position corresponding to the first thread sleeve (435), the first thread sleeve (435) is fixedly connected to an inner cavity of the first matching mounting hole, the side plate (432) is provided with a second mounting hole in a penetrating mode at a position corresponding to the first bearing seat (437), and the first bearing seat (437) is fixedly connected to an inner cavity of the second matching mounting hole.

6. The steel pipe bending resistance detection device for building construction according to claim 1, characterized in that: the limiting device (5) comprises supporting seats (51), two groups of supporting seats (51) are respectively fixed on the left side and the right side of the top of the workbench (1), a connecting frame (53) is arranged on the top of each supporting seat (51), a placing groove (52) is arranged on the top of each supporting seat (51), the left end and the right end of the steel pipe main body (3) are respectively arranged in inner cavities of the placing grooves (52) which are matched with each other, an upper clamping plate (57) is arranged in the inner cavity of each connecting frame (53), a second bearing seat (56) is connected to the top of the upper clamping plate (57), a second screw rod (55) is fixedly inserted into the inner cavity of the second bearing seat (56), a second screw sleeve (54) is sleeved on the periphery of the second screw rod (55), guide needles (58) are uniformly connected to the top of the upper clamping plate (57), and the top ends of the guide needles (58), the top of the second screw rod (55) is connected with a handle.

7. The steel pipe bending resistance detection device for building construction according to claim 6, characterized in that: the top of the inner cavity of the connecting frame (53) and the corresponding position of the second thread insert (54) vertically penetrate through a prepared hole matched with the inner cavity of the prepared hole, the second thread insert (54) is fixedly connected with the inner cavity of the prepared hole matched with the inner cavity of the prepared hole, and a rubber anti-slip cushion layer is arranged at the bottom of the upper clamping plate (57) in an adhesive manner.