CN215574366U

CN215574366U - Bending resistance detection device for rectangular tube

Info

Publication number: CN215574366U
Application number: CN202122098670.XU
Authority: CN
Inventors: 何基龙
Original assignee: Nanjing Wanpeng Metal Products Co ltd
Current assignee: Nanjing Wanpeng Metal Products Co ltd
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2022-01-18
Anticipated expiration: 2031-09-01

Abstract

The utility model discloses a device for detecting bending resistance of a rectangular tube, relates to the technical field of rectangular tube detection, and aims to solve the problem that the existing rectangular tube is not convenient enough to detect. One side of fixed plate upper end is provided with fixed station and detecting instrument, the outside four corners department of fixed station all is provided with the mount, and mount and fixed plate fixed connection, elevating gear is installed to the inside one side in mount upper end, and elevating gear and mount fixed connection, first pressure sensors is installed to elevating gear's lower extreme, and the output of first pressure sensors and detecting instrument's input electric connection, the carousel is installed to the inside intermediate position department of fixed station, and the carousel rotates with the fixed station to be connected, the screw rod is installed to the upper end of carousel, the externally mounted of screw rod upper end has the fixed block, and the fixed block passes through screw-thread fit with the screw rod and is connected.

Description

Bending resistance detection device for rectangular tube

Technical Field

The utility model relates to the technical field of rectangular tube detection, in particular to a rectangular tube bending resistance detection device.

Background

Rectangular tubes, i.e. rectangular tubes. The rectangular pipe is a hollow long-strip steel, and is also called flat pipe, flat square pipe or square flat pipe. The composite material has the same bending strength and torsion strength and lighter weight, so the composite material is widely used for manufacturing mechanical parts and engineering structures. When the rectangular pipes are produced and processed, the bending resistance of the rectangular pipes is usually detected so as to perform classification or quality screening work on the rectangular pipes.

However, when the bending resistance of the existing rectangular tube is detected, one end of the pipeline is usually fixed, the other end of the pipeline is bent, test data are obtained, the accuracy of the test data is poor and not convenient enough, and therefore the existing requirements are not met, and the rectangular tube bending resistance detection device is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a moment tube bending resistance detection device to solve the problem that moment tube detection in the background art is not convenient enough.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a quarter bend resistance detection device, includes the fixed plate, one side of fixed plate upper end is provided with fixed station and detecting instrument, the outside four corners department of fixed station all is provided with the mount, and mount and fixed plate fixed connection, elevating gear is installed to the inside one side in mount upper end, and elevating gear and mount fixed connection, first pressure sensors is installed to elevating gear's lower extreme, and the output of first pressure sensors and detecting instrument's input electric connection, the carousel is installed to the inside intermediate position department of fixed station, and the carousel rotates with the fixed station to be connected, the screw rod is installed to the upper end of carousel, the externally mounted of screw rod upper end has the fixed block, and the fixed block passes through screw-thread fit with the screw rod and is connected.

Preferably, a second pressure sensor is installed at the upper end of the fixing block, and the output end of the second pressure sensor is electrically connected with the input end of the detection instrument.

Preferably, the slider is installed to the upper end of fixed station, and slider and fixed station pass through spout sliding connection, first fixed disk is installed to the outside one side of slider, the internally mounted of slider has the connecting rod, and connecting rod and slider sliding connection, the connecting rod is located the inside one side of slider and installs first expanding spring.

Preferably, a plurality of limiting holes are formed in one side of the inner portion of the sliding groove and are distributed in sequence, and the connecting rod is matched with the limiting holes.

Preferably, fixed underframe is installed to the upper end of slider, fixed underframe is installed to the upper end of fixed underframe, the second fixed disk is installed to the outside one side of fixed top frame, the dead lever is installed near one side of fixed top frame to the second fixed disk, and the one end of dead lever extends to the inside of fixed top frame, the dead lever is located the inside one end of fixed top frame and installs spacing hook, second expanding spring is installed to the outside one side of spacing hook, one side of fixed underframe upper end is provided with spacing groove, and spacing hook and spacing groove looks adaptation.

Preferably, the support columns are installed at the lower end of the fixing plate, the number of the support columns is four, and the support columns are fixedly connected with the fixing plate.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the turntable is arranged on one side outside the fixed table, the turntable is rotated, the screw at the upper end of the turntable rotates, the fixed block and the screw are in threaded fit to convert the rotary motion into linear motion, so that the fixed block and the second pressure sensor at the top part are lifted to a required position, then the detection instrument and the lifting device are started, the lower end of the lifting device is lowered to generate downward acting force on the rectangular tube, when the rectangular tube deforms, the second pressure sensor at the upper end of the fixed block and the first pressure sensor at the lower end of the lifting device transmit detection data to the detection instrument, the detection instrument analyzes the data to obtain the bending resistance of the rectangular tube, and the detection result is more accurate through a detection mode of fixing at two points and pressing down in the middle.

2. According to the utility model, the first fixing disk is arranged on one side outside the sliding block, when the fixing position of the rectangular tube needs to be changed, the first fixing disk is pressed, the first telescopic spring on one side of the connecting rod is stressed to compress and deform, so that the other end of the connecting rod is moved out of the limiting hole, then the sliding block is moved in the sliding groove to change the fixing position of the rectangular tube, the first fixing disk is loosened, the first telescopic spring is reset to push the connecting rod to be combined with the limiting hole, so that the connecting rod is fixed, the fixing position of the rectangular tube is more conveniently adjusted in such a way, and the bending resistance of the rectangular tube at different fixing positions is detected.

3. According to the rectangular tube fixing device, the second fixing disc is arranged outside the fixing bottom frame, the fixing disc is pressed to enable the fixing rod to push the limiting hook, the limiting hook is separated from the limiting groove, then the fixing top frame is taken down, a rectangular tube to be detected is placed inside the upper end of the fixing bottom frame, then the fixing top frame is reset, the limiting hook is in contact collision with the outside of the limiting groove to generate acting force, the second telescopic spring is stressed and compressed to deform, the limiting hook moves, and when the fixing top frame is pressed down to be attached to the fixing bottom frame, the second telescopic spring resets to generate acting force to push the limiting hook to be combined with the limiting groove, so that the rectangular tube is fixed more conveniently and quickly.

Drawings

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

FIG. 2 is a perspective view of a stationary platen of the present invention;

FIG. 3 is a front view of the fixed station structure of the present invention;

FIG. 4 is a schematic view of the internal structure of the top and bottom frames of the present invention;

fig. 5 is a partially enlarged view of the area a in fig. 4 according to the present invention.

In the figure: 1. a fixing plate; 2. a support pillar; 3. detecting an instrument; 4. a fixed mount; 5. a fixed table; 6. fixing the top frame; 7. a lifting device; 8. a first pressure sensor; 9. a fixed block; 10. a second pressure sensor; 11. fixing the bottom frame; 12. a slider; 13. a first fixed disk; 14. a second fixed disk; 15. a turntable; 16. a screw; 17. a connecting rod; 18. a first extension spring; 19. a limiting hole; 20. a chute; 21. fixing the rod; 22. a second extension spring; 23. a limiting hook; 24. a limiting groove.

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.

Referring to fig. 1-5, an embodiment of the present invention is shown: a device for detecting bending resistance of a rectangular tube comprises a fixed plate 1, a fixed table 5 and a detection instrument 3 are arranged on one side of the upper end of the fixed plate 1, fixed frames 4 are arranged at four corners of the outer part of the fixed table 5, the fixed frame 4 is fixedly connected with the fixed plate 1, one side of the inner part of the upper end of the fixed frame 4 is provided with a lifting device 7, the lifting device 7 is fixedly connected with the fixed frame 4, the lower end of the lifting device 7 is provided with a first pressure sensor 8, the output end of the first pressure sensor 8 is electrically connected with the input end of the detecting instrument 3, a turntable 15 is arranged at the middle position inside the fixed table 5, and the turntable 15 is rotationally connected with the fixed table 5, the upper end of the turntable 15 is provided with a screw 16, the outer part of the upper end of the screw 16 is provided with a fixed block 9, and the fixed block 9 is connected with the screw 16 in a threaded fit manner, and a test result is more accurate through a detection mode of fixing at two points and pressing down in the middle.

Further, a second pressure sensor 10 is installed at the upper end of the fixing block 9, and the output end of the second pressure sensor 10 is electrically connected with the input end of the detection instrument 3.

Further, slider 12 is installed to the upper end of fixed station 5, and slider 12 passes through spout 20 sliding connection with fixed station 5, and first fixed disk 13 is installed to the outside one side of slider 12, and the internally mounted of slider 12 has connecting rod 17, and connecting rod 17 and slider 12 sliding connection, and connecting rod 17 is located the inside one side of slider 12 and installs first expanding spring 18, changes the support to the square tube through the removal of slider 12 to detect the bending resistance of square tube under the different fixed positions.

Furthermore, a plurality of limiting holes 19 are formed in one side of the inner portion of the sliding groove 20, the limiting holes 19 are distributed in sequence, and the connecting rod 17 is matched with the limiting holes 19.

Further, fixed underframe 11 is installed to the upper end of slider 12, fixed top frame 6 is installed to the upper end of fixed underframe 11, second fixed disk 14 is installed to the outside one side of fixed top frame 6, dead lever 21 is installed to one side that second fixed disk 14 is close to fixed top frame 6, and the one end of dead lever 21 extends to the inside of fixed top frame 6, dead lever 21 is located the inside one end of fixed top frame 6 and installs limit hook 23, second expanding spring 22 is installed to the outside one side of limit hook 23, one side of fixed underframe 11 upper end is provided with spacing groove 24, and limit hook 23 and spacing groove 24 looks adaptation.

Further, support column 2 is installed to the lower extreme of fixed plate 1, and support column 2 installs four, support column 2 and fixed plate 1 fixed connection, and support column 2 plays the supporting role.

The working principle is as follows: when the rectangular tube fixing device is used, the second fixing disc 14 is pressed to enable the fixing rod 21 to push the limiting hook 23, the limiting hook 23 is separated from the limiting groove 24, then the fixing top frame 6 is taken down, a rectangular tube to be detected is placed inside the upper end of the fixing bottom frame 11, then the fixing top frame 6 is reset, the limiting hook 23 is in contact collision with the outside of the limiting groove 24 to generate acting force, the second telescopic spring 22 is compressed and deformed under force, the limiting hook 23 moves, when the fixing top frame 6 is pressed down to be attached to the fixing bottom frame 11, the second telescopic spring 22 is reset to generate acting force to push the limiting hook 23 to be combined with the limiting groove 24, in this way, the rectangular tube is fixed more conveniently and quickly, the rotary disc 15 is rotated, the screw 16 at the upper end of the rotary disc 15 is rotated, the rotary motion of the fixing block 9 and the screw 16 is converted into linear motion under the threaded fit, and the fixing block 9 and the second pressure sensor 10 at the top are enabled to ascend to the required position, then starting the detecting instrument 3 and the lifting device 7, the lower end of the lifting device 7 descends to generate downward acting force on the rectangular tube, when the rectangular tube deforms, the second pressure sensor 10 at the upper end of the fixing block 9 and the first pressure sensor 8 at the lower end of the lifting device 7 transmit the detected data to the detecting instrument 3, the detecting instrument 3 analyzes the data to obtain the bending resistance of the rectangular tube, when the fixed position of the rectangular tube needs to be changed, the first fixing disc 13 is pressed, the first telescopic spring 18 at one side of the connecting rod 17 is compressed and deformed by force, so that the other end of the connecting rod 17 is moved out of the limiting hole 19, then the sliding block 12 is moved in the sliding groove 20 to change the fixed position of the rectangular tube, the first fixing disc 13 is loosened, the first telescopic spring 18 resets to push the connecting rod 17 to be combined with the limiting hole 19, so as to fix the connecting rod 17, and in this way, the fixed position of the rectangular tube is more convenient to adjust, thereby detecting the bending resistance of the rectangular tube at different fixed positions.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a moment pipe bending resistance detection device, includes fixed plate (1), its characterized in that: one side of the upper end of the fixed plate (1) is provided with a fixed table (5) and a detection instrument (3), four corners of the outside of the fixed table (5) are provided with a fixed frame (4), the fixed frame (4) is fixedly connected with the fixed plate (1), one side of the inside of the upper end of the fixed frame (4) is provided with a lifting device (7), the lifting device (7) is fixedly connected with the fixed frame (4), the lower end of the lifting device (7) is provided with a first pressure sensor (8), the output end of the first pressure sensor (8) is electrically connected with the input end of the detection instrument (3), a turntable (15) is arranged at the middle position of the inside of the fixed table (5), the turntable (15) is rotatably connected with the fixed table (5), a screw rod (16) is arranged at the upper end of the turntable (15), a fixed block (9) is arranged at the outside of the upper end of the screw rod (16), and the fixed block (9) is connected with the screw rod (16) in a thread fit manner.

2. The device for testing bending resistance of a rectangular pipe as claimed in claim 1, wherein: and a second pressure sensor (10) is arranged at the upper end of the fixed block (9).

3. The device for testing bending resistance of a rectangular pipe as claimed in claim 1, wherein: slider (12) are installed to the upper end of fixed station (5), and slider (12) pass through spout (20) sliding connection with fixed station (5), first fixed disk (13) are installed to the outside one side of slider (12), the internally mounted of slider (12) has connecting rod (17), connecting rod (17) are located the inside one side of slider (12) and install first expanding spring (18).

4. The device for testing bending resistance of a rectangular pipe as claimed in claim 3, wherein: a plurality of limiting holes (19) are formed in one side of the inner portion of the sliding groove (20), and the connecting rod (17) is matched with the limiting holes (19).

5. The device for testing bending resistance of a rectangular pipe as claimed in claim 3, wherein: fixed underframe (11) is installed to the upper end of slider (12), fixed top frame (6) is installed to the upper end of fixed underframe (11), second fixed disk (14) are installed to fixed top frame (6) outside one side, dead lever (21) are installed to second fixed disk (14) one side that is close to fixed top frame (6), and the one end of dead lever (21) extends to the inside of fixed top frame (6), dead lever (21) are located the inside one end of fixed top frame (6) and install spacing hook (23), second expanding spring (22) are installed to the outside one side of spacing hook (23), one side of fixed underframe (11) upper end is provided with spacing groove (24).

6. The device for testing bending resistance of a rectangular pipe as claimed in claim 1, wherein: support column (2) are installed to the lower extreme of fixed plate (1), support column (2) and fixed plate (1) fixed connection.