CN210863411U

CN210863411U - Steel pipe bending strength detection device

Info

Publication number: CN210863411U
Application number: CN201921470797.6U
Authority: CN
Inventors: 杨亚楠
Original assignee: Tianjin Yabin Technology Development Co ltd
Current assignee: Tianjin Yabin Technology Development Co ltd
Priority date: 2019-09-05
Filing date: 2019-09-05
Publication date: 2020-06-26
Anticipated expiration: 2029-09-05

Abstract

The utility model discloses a steel pipe bending strength detection device, the on-line screen storage device comprises a base, the position that base top outer wall is close to both sides all is provided with the stand, and opens and to have the shrinkage pool in one side outer wall of stand, and the inner wall of shrinkage pool is rotated through the round pin axle and is connected with the ear seat, the welding of the top outer wall of ear seat has places the seat, and the top outer wall of placing the seat is provided with the standing groove, four corners of base top outer wall all are provided with the montant, and the welding of the top outer wall of montant has the roof, the bottom outer wall fixedly connected with pneumatic cylinder of roof, and the piston one end of pneumatic cylinder is provided with the briquetting, and the bottom outer wall. The utility model discloses a detection to the bending force size that different bending angle steel pipes can bear, detection effect is better, and makes the steel pipe only take place to buckle in atress department, detects more accurately, has further improved the detection effect of device.

Description

Steel pipe bending strength detection device

Technical Field

The utility model relates to a steel pipe bending strength detects technical field, especially relates to a steel pipe bending strength detection device.

Background

The strength refers to the performance of a metal material in resisting excessive plastic deformation or fracture under the action of static load, and the action mode of load is in the forms of tension, compression, bending, shearing and the like, so the strength also includes tensile strength, compressive strength, bending strength, shearing strength and the like, and various strengths are always in a certain relation, wherein the bending strength refers to the maximum stress which can be borne by the material when the material is cracked under the action of bending load or reaches a specified bending moment, the stress is the maximum positive stress during bending and reflects the bending resistance of the material, and the bending strength is used as the standard for judging the performance of some steel pipes.

At present, when the bending strength of the steel pipe is detected, a gradually increasing force is usually applied to the steel pipe, and the force application is stopped until the steel pipe breaks, and this detection method can only detect the maximum bending force that the steel pipe can bear, cannot detect the bending force that the steel pipe can bear at different bending angles, and has a poor detection effect, so that a steel pipe bending strength detection device is needed to be designed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a steel pipe bending strength detection device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a steel pipe bending strength detection device comprises a base, wherein a stand column is arranged at a position, close to two sides, of the outer wall of the top of the base, a concave hole is formed in the outer wall of one side of the stand column, the inner wall of the concave hole is rotatably connected with an ear seat through a pin shaft, a placing seat is welded on the outer wall of the top of the ear seat, a placing groove is formed in the outer wall of the top of the placing seat, vertical rods are arranged at four corners of the outer wall of the top of the base, a top plate is welded on the outer wall of the top of each vertical rod, a hydraulic cylinder is fixedly connected to the outer wall of the bottom of the top plate, a pressing block is arranged at one end of a piston of the hydraulic cylinder, a pressing groove is formed in the outer wall of the bottom of the pressing block, a mounting groove is formed in the, the outer wall of the bottom of the sliding rod is provided with a stress block.

As a further aspect of the present invention: four corners of the outer wall of the bottom of the base are provided with supporting blocks.

As a further aspect of the present invention: the outer wall of the top of the base is provided with a through hole close to the middle, and the inner wall of the through hole is bonded with a rubber ring.

As a further aspect of the present invention: the inner wall sliding connection of rubber circle has the cylinder, and the welding of cylindrical top outer wall has the fly leaf.

As a further aspect of the present invention: the outer wall of the cylinder is marked with a graduated scale.

As a further aspect of the present invention: the outer walls of the two sides of the upright post are respectively provided with a spring, and the outer wall of the top of the spring is welded with the outer wall of the bottom of the placing seat.

As a further aspect of the present invention: the fixed port is opened all around of roof top outer wall, and the inner wall of fixed port bonds and has the slipmat, and the inner wall sliding connection of slipmat has transparent baffle, and one side outer wall welding of transparent baffle has the horizontal pole, and the one end outer wall of horizontal pole is provided with the holding rod.

The utility model has the advantages that:

1. the steel pipe bending detection device comprises a pressure block, a pressing groove, a pressure sensor, a movable plate and a cylinder, wherein the pressure block is arranged on the pressure block, the pressure groove is arranged on the pressure block, the pressure sensor is arranged on the pressure block, the movable plate is arranged on the pressure block, the pressure cylinder is driven to work, the pressing block can be driven to move downwards, a steel pipe to be detected can be clamped in the pressing groove on the pressing block, the steel pipe cannot deviate back and forth in the detection process, the detection is more accurate, the steel pipe can be in contact with the pressure block in the pressing process of the pressing block, the pressure block can be in contact with the pressure sensor, the bending force borne by the steel pipe can be recorded in real time, meanwhile, the bent;

2. the steel pipe can be placed in the placing groove on the placing seat through the placing seat, the lug seats and the springs, when the steel pipe is bent by the pressing block, the spring can be compressed by the placing seat, the lug seats on the placing seat can rotate on the stand column, and the rotating angle of the placing seat can be adjusted in a self-adaptive mode according to the bending angle of the steel pipe, so that the steel pipe is bent only at the stressed position, the detection is more accurate, and the detection effect of the device is further improved;

3. through the transparent baffle, slipmat and the holding rod that set up, in the testing process, can stimulate the holding rod downwards, make transparent baffle move down, and the slipmat that is located between transparent baffle and the roof can guarantee that transparent baffle can not take place the relative slip after moving, and transparent baffle can play certain guard action, splashes to all around when blockking the steel pipe fracture, has effectively improved the security performance in the device use.

Drawings

Fig. 1 is a schematic cross-sectional structural view of a steel pipe bending strength detection apparatus according to embodiment 1;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

fig. 3 is a schematic view of the overall structure of a steel pipe bending strength detection apparatus according to embodiment 2.

In the figure: the device comprises a base 1, supporting blocks 2, a cylinder 3, a rubber ring 4, a movable plate 5, a column 6, a spring 7, an ear seat 8, a placing seat 9, a vertical rod 10, a top plate 11, a hydraulic cylinder 12, a pressing block 13, a pressing groove 14, a cavity 15, a sliding plate 16, a sliding rod 17, a pressure sensor 18, a stress block 19, a transparent baffle 20, a cross rod 21, a holding rod 22 and an antiskid mat 23.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-2, a steel pipe bending strength detection device comprises a base 1, wherein upright posts 6 are welded on the positions, close to two sides, of the outer wall of the top of the base 1, concave holes are formed in the outer wall of one side of each upright post 6, the inner walls of the concave holes are rotatably connected with lug seats 8 through pin shafts, placing seats 9 are welded on the outer walls of the tops of the lug seats 8, placing grooves are formed in the outer walls of the tops of the placing seats 9, vertical rods 10 are welded on four corners of the outer wall of the top of the base 1, top plates 11 are welded on the outer walls of the tops of the vertical rods 10, the outer walls of the bottoms of the top plates 11 are connected with hydraulic cylinders 12 through bolts, pressing blocks 13 are arranged at one ends of pistons of the hydraulic cylinders 12, pressing grooves 14 are formed in the outer walls of the bottoms of the pressing blocks 13, mounting grooves are formed in the inner walls of the, the outer wall of the bottom of the sliding plate 16 is welded with a sliding rod 17, and the outer wall of the bottom of the sliding rod 17 is welded with a stress block 19.

Wherein, supporting shoe 2 has all been welded to four corners of base 1 bottom outer wall, and the position that base 1 top outer wall is close to the centre is opened there is the through-hole, and the inner wall of through-hole bonds and has rubber circle 4, and the inner wall sliding connection of rubber circle 4 has cylinder 3, and the welding of cylinder 3's top outer wall has fly leaf 5, and cylinder 3's outer wall has the scale, and spring 7 has all been welded to the both sides outer wall of stand 6, and spring 7's the top outer wall with place the bottom outer wall welding of seat 9.

The working principle is as follows: when the steel pipe bending detection device is used, the hydraulic cylinder 12 is connected with a hydraulic system, the steel pipe can be placed in a placing groove on the placing seat 9, then the hydraulic cylinder 12 is driven to work, the pressing block 13 can be driven to move downwards, the steel pipe to be detected can be clamped in a pressing groove 14 on the pressing block 13, so that the steel pipe cannot deviate back and forth in the detection process, the detection is more accurate, the steel pipe can be in contact with the stress block 19 in the pressing process of the pressing block 13, the stress block 19 can be in contact with the pressure sensor 18, the bending force borne by the steel pipe can be recorded in real time, meanwhile, the bent steel pipe can be in contact with the movable plate 5, the cylinder 3 moves downwards, the bending angle of the steel pipe can be recorded through the scale on the cylinder 3, the structure realizes the detection of the bending force borne by the steel pipes with different bending angles, the detection effect is better, when the steel pipe is bent by, and the ear seat 8 on the placing seat 9 can rotate on the upright post 6, and the rotating angle of the placing seat 9 can be adaptively adjusted according to the bending angle of the steel pipe, so that the steel pipe is only bent at the stress position, the detection is more accurate, and the detection effect of the device is further improved.

Example 2

Referring to fig. 3, a steel pipe bending strength detection device, this embodiment compares in embodiment 1, still includes that fixed mouthful all have been opened around the outer wall of roof 11 top, and the inner wall of fixed mouthful bonds and has slipmat 23, and the inner wall sliding connection of slipmat 23 has transparent baffle 20, and the outer wall welding of one side of transparent baffle 20 has horizontal pole 21, and the outer wall welding of the one end of horizontal pole 21 has holding rod 22.

The working principle is as follows: during the use, can stimulate the holding rod 22 downwards, make transparent baffle 20 move down, and be located the slipmat 23 between transparent baffle 20 and roof 11 and can guarantee that transparent baffle 20 can not take place relative slip after moving, and transparent baffle 20 can play certain guard action, splashes to all around when blockking the steel pipe fracture, has effectively improved the security performance in the device use.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The steel pipe bending strength detection device comprises a base (1) and is characterized in that stand columns (6) are arranged at positions, close to two sides, of the outer wall of the top of the base (1), concave holes are formed in the outer wall of one side of each stand column (6), the inner walls of the concave holes are connected with lug seats (8) in a rotating mode through pin shafts, placing seats (9) are welded on the outer walls of the tops of the lug seats (8), placing grooves are formed in the outer walls of the tops of the placing seats (9), vertical rods (10) are arranged at four corners of the outer wall of the top of the base (1), a top plate (11) is welded on the outer wall of the top of each vertical rod (10), a hydraulic cylinder (12) is fixedly connected to the outer wall of the bottom of each top plate (11), a pressing block (13) is arranged at one end of a piston of each hydraulic cylinder (12), a pressing groove (, and the inner wall of the top of the mounting groove is connected with a pressure sensor (18) through a bolt, a cavity (15) is arranged inside the pressing block (13), a sliding plate (16) is connected to the inner wall of the cavity (15) in a sliding manner, a sliding rod (17) is arranged on the outer wall of the bottom of the sliding plate (16), and a stress block (19) is arranged on the outer wall of the bottom of the sliding rod (17).

2. The steel pipe bending strength detection device according to claim 1, wherein support blocks (2) are arranged at four corners of the outer wall of the bottom of the base (1).

3. The steel pipe bending strength detection device according to claim 2, wherein a through hole is formed in the outer wall of the top of the base (1) near the middle, and a rubber ring (4) is bonded to the inner wall of the through hole.

4. The steel pipe bending strength detection device according to claim 3, wherein the inner wall of the rubber ring (4) is connected with a cylinder (3) in a sliding manner, and a movable plate (5) is welded on the outer wall of the top of the cylinder (3).

5. The steel pipe bending strength detection device according to claim 4, wherein the outer wall of the cylinder (3) is marked with a scale.

6. The steel pipe bending strength detection device according to claim 5, wherein springs (7) are arranged on the outer walls of two sides of the upright post (6), and the outer wall of the top of each spring (7) is welded with the outer wall of the bottom of the corresponding placing seat (9).

7. The steel pipe bending strength detection device according to any one of claims 1 to 6, wherein fixing openings are formed around the outer wall of the top plate (11), anti-slip pads (23) are bonded to the inner walls of the fixing openings, transparent baffles (20) are connected to the inner walls of the anti-slip pads (23) in a sliding mode, cross rods (21) are welded to the outer wall of one side of each transparent baffle (20), and holding rods (22) are arranged on the outer wall of one end of each cross rod (21).