CN210198842U

CN210198842U - Breaking strength detection stretching device

Info

Publication number: CN210198842U
Application number: CN201920943501.1U
Authority: CN
Inventors: Guo Chen; 陈果
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-21
Filing date: 2019-06-21
Publication date: 2020-03-27
Anticipated expiration: 2029-06-21

Abstract

The utility model relates to a powerful technical field that detects discloses a powerful detection stretching device breaks, including table surface, the table surface middle part is equipped with the spout, spout left and right sides sliding connection fixing base, and fixing base upper portion is equipped with the cylinder, and the piston rod fixed connection of cylinder is holding the piece down, and lower holding piece sliding connection guide post middle part, guide post upper end fixed connection go up the holding piece, guide post lower extreme fixed connection fixing base upper end, the fixing base is equipped with pressure sensor by middle one side upper portion, and pressure sensor is equipped with the roof by middle one side. The utility model is suitable for an among the powerful stretching device that detects of fracture, provide the clamp force through setting up the cylinder to make whole tensile in-process, can be pressed from both sides by the stable clamp by tensile material, and rotate through driving motor drive lead screw, thereby make two roofs remove about and provide tensile power, whole device design is compact, thereby makes whole weight lighter, removal that can comparatively relax.

Description

Breaking strength detection stretching device

Technical Field

The utility model relates to a powerful technical field that detects specifically is a powerful stretching device that detects of fracture.

Background

The breaking strength means a force which is measured under a predetermined condition, and which is used to stretch the rope to break and to take the rope to the lowest value at the time of breaking. Expressed in newtons. Because the net has higher requirements on safety, the lowest breaking strength value is often used as the strength index of the rope instead of the average value. The lowest breaking strength is the main index of the performance of the rope, and represents the absolute value of the strength of the rope, which is the main basis for selecting the rope. The strength value is mainly determined by the thickness of the rope and raw materials thereof, and is closely related to the structural form of the rope and the twisting process thereof.

Chinese patent (publication No. CN 208206672U) discloses a fracture strength detection stretching device, which comprises a bottom plate, wherein the top of the bottom plate is provided with two horizontal sliding grooves, the top of the bottom plate is fixedly connected with an installation frame, the two horizontal sliding grooves are respectively positioned at two sides of the installation frame, a first sliding plate is respectively connected in the horizontal sliding grooves in a sliding manner, the top side of the first sliding plate is fixedly connected with a connecting rod, the top end of the connecting rod extends to the top of the bottom plate and is fixedly connected with a fixed sleeve, an arc-shaped clamping plate is arranged in the fixed sleeve, the top of the arc-shaped clamping plate is provided with a T-shaped rotating groove, a rotating circular plate is rotatably connected in the T-shaped rotating groove, the top side of the rotating circular plate is fixedly connected with a threaded column, the inner wall of the top of the fixed sleeve is provided with a, inconvenient to move and therefore improvements in the device are needed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a powerful detection stretching device breaks has solved the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a powerful detection stretching device breaks, includes table surface, table surface middle part is equipped with the spout, and the spout left and right sides sliding connection fixing base, fixing base upper portion are equipped with the cylinder, and the centre gripping piece under the piston rod fixed connection of cylinder, centre gripping piece sliding connection guide post middle part down, guide post upper end fixed connection go up the centre gripping piece, guide post lower extreme fixed connection fixing base upper end, the fixing base is equipped with pressure sensor by middle one side upper portion, and pressure sensor is equipped with the roof by middle one side, roof middle part threaded connection lead screw left and right sides, the right-hand member fixed connection second band pulley of lead screw, and the second band pulley passes through belt connection first band pulley, first band pulley fixed connection driving motor's output shaft.

As an optimal technical scheme of the utility model, the table surface lower surface is equipped with the stand, and the stand bottom is equipped with the bottom plate.

As an optimal technical scheme of the utility model, the both ends of lead screw are equipped with second bearing frame, second bearing frame fixed connection table surface's upper surface.

As an optimal technical scheme of the utility model, the fixing base middle part is equipped with the through-hole, through-hole through connection lead screw.

As an optimized technical scheme of the utility model, the left and right sides of lead screw is equipped with the opposite screw thread of direction of rotation.

As a preferred technical scheme of the utility model, fixing base lower extreme sliding connection guide bar, both ends are rotated and are connected primary shaft bearing, primary shaft bearing fixed connection table surface's lower surface about the guide bar.

As an optimized technical scheme of the utility model, the one side that lower holding piece and last holding piece are relative is the arc.

As an optimized technical scheme of the utility model, the one side that lower holding piece and last holding piece are relative is equipped with anti-skidding liner.

The utility model discloses have following useful part:

the utility model is suitable for an among the powerful stretching device that detects of fracture, provide the clamp force through setting up the cylinder to make whole tensile in-process, can be pressed from both sides by the stable clamp by tensile material, and rotate through driving motor drive lead screw, thereby make two roofs remove about and provide tensile power, whole device design is compact, thereby makes whole weight lighter, removal that can comparatively relax.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of a breaking strength detecting and stretching device.

Fig. 2 is a front view of a breaking strength detecting tension device.

Fig. 3 is a top view of a breaking strength detecting tension device.

Fig. 4 is a cross-sectional view a-a of fig. 3.

In the figure: 1. a base plate; 2. a column; 3. a first bearing housing; 4. a guide bar; 5. a work table; 6. a second bearing housing; 7. a screw rod; 8. a chute; 9. a fixed seat; 10. a cylinder; 11. a guide post; 12. a lower clamping sheet; 13. an upper clamping sheet; 14. a second pulley; 15. a belt; 16. a first pulley; 17. a drive motor; 18. a pressure sensor; 19. a through hole; 20. a top plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example one

Referring to fig. 1-4, a breaking strength detecting and stretching device includes a working table 5, a column 2 is disposed on the lower surface of the working table 5, a bottom plate 1 is disposed at the bottom of the column 2, the middle part of the working table surface 5 is provided with a chute 8, the left side and the right side of the chute 8 are connected with a fixed seat 9 in a sliding way, the upper part of the fixed seat 9 is provided with an air cylinder 10, a piston rod of the air cylinder 10 is fixedly connected with a lower clamping piece 12, the lower clamping piece 12 is connected with the middle part of a guide post 11 in a sliding way, the upper end of the guide post 11 is fixedly connected with an upper clamping piece 13, the lower end of the guide post 11 is, because a large force is generated at the moment when the material is broken, the fixed seat 9 can bear the force value, in order to ensure the stability of the fixed seat 9, the guide rod 4 is arranged at the bottom of the fixed seat 9 and is in sliding connection, so that a part of lateral force can be offset through the guide rod 4, and the whole device is more stable.

The upper portion of one side of the middle of the fixing seat 9 is provided with a pressure sensor 18, one side of the middle of the pressure sensor 18 is provided with a top plate 20, the middle of the top plate 20 is in threaded connection with the left side and the right side of a lead screw 7, threads with opposite turning directions are arranged on the left side and the right side of the lead screw 7, the middle of the fixing seat 9 is provided with a through hole 19, the through hole 19 is in penetrating connection with the lead screw 7, two ends of the lead screw 7 are provided with second bearing seats 6, the second bearing seats 6 are fixedly connected with the upper surface of a workbench surface 5, the right end of the lead screw 7 is fixedly connected with a second belt wheel 14, the second belt wheel 14 is connected with a first belt wheel 16 through a belt 15, the first belt wheel 16 is fixedly connected with an output shaft of a driving.

Example two

The other contents of this embodiment are the same as those of the first embodiment, except that: the opposite surfaces of the lower clamping piece 12 and the upper clamping piece 13 are arc-shaped, and as the sections of materials needing to be stretched are cylindrical, in order to increase the contact area and further increase the friction force between the materials and the lower clamping piece 12 and the upper clamping piece 13, the clamping surfaces are designed to be arc-shaped, so that the clamping is more stable; the opposite one side of lower holding piece 12 and last holding piece 13 is equipped with anti-skidding liner, because some materials still need carry out other experiments after carrying out tensile test, consequently need set up anti-skidding liner between holding piece and material, frictional force when can further improve the centre gripping on the one hand, can effectually prevent simultaneously that the holding piece from with the material fish tail.

In the implementation process of the utility model, at first, the two ends of the material to be tested are placed between the upper clamping piece 13 and the lower clamping piece 12, the cylinder 10 is started, the piston rod of the cylinder 10 extends out, thereby the lower clamping piece 12 is pushed to move upwards, thereby the material is tightly pressed at the lower part of the upper clamping piece 13, thereby the fixation of the material is completed, at the moment, the driving motor 17 is started, the driving motor 17 drives the screw rod 7 to rotate through the transmission of the belt 15, the rotation of the screw rod 7 causes the two top plates 20 to move towards both sides, the top plate 20 pushes the two fixing seats 9 towards both sides, thereby the material is stretched, along with the continuous stretching, the material deforms, at the moment, the piston rod of the cylinder 10 continuously extends out, the deformation of the compensation material is realized, thereby the clamping force received at the two ends of the material is kept stable, thereby the material is ensured, the two fixed seats 9 move towards two sides in a flying way, at the moment, the fixed seats 9 are separated from the top plate 20, so that destructive force generated by material breakage does not affect other accessories in the device, the force value change in the whole test is recorded through the pressure sensor 18, and the stretched length of the material can be calculated through the number of rotation turns of the driving motor 17; the utility model is suitable for an among the powerful stretching device that detects of fracture, provide the clamp force through setting up cylinder 10 to make whole tensile in-process, can be pressed from both sides by the stable clamp by tensile material, and rotate through driving motor 17 drive lead screw 7, thereby make two roofs 20 remove about and provide tensile power, whole device design is compact, thereby makes whole weight lighter, removal that can be comparatively light.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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. A breakage strength detection stretching device comprises a workbench surface (5), wherein a sliding groove (8) is formed in the middle of the workbench surface (5), the left side and the right side of the sliding groove (8) are slidably connected with a fixing seat (9), and the breakage strength detection stretching device is characterized in that an air cylinder (10) is arranged on the upper portion of the fixing seat (9), a piston rod of the air cylinder (10) is fixedly connected with a lower clamping sheet (12), the lower clamping sheet (12) is slidably connected with the middle of a guide post (11), an upper end of the guide post (11) is fixedly connected with an upper end of the fixing seat (9), a pressure sensor (18) is arranged on the upper portion of one side of the middle of the fixing seat (9), a top plate (20) is arranged on one side of the middle of the pressure sensor (18), the middle of the top plate (20) is in threaded connection with the left side and the right side of a screw rod (7), the right end of the screw rod (, the first belt wheel (16) is fixedly connected with an output shaft of a driving motor (17).

2. The breaking strength detection stretching device is characterized in that a stand column (2) is arranged on the lower surface of the working table (5), and a bottom plate (1) is arranged at the bottom of the stand column (2).

3. The breaking strength detecting and stretching device according to claim 1, wherein a second bearing seat (6) is arranged at each end of the screw rod (7), and the second bearing seat (6) is fixedly connected with the upper surface of the working table top (5).

4. The breaking strength detecting and stretching device according to claim 1 or 3, wherein a through hole (19) is formed in the middle of the fixing seat (9), and the through hole (19) penetrates through the connecting screw rod (7).

5. The breaking strength detecting and stretching device according to claim 1 or 3, wherein the screw rod (7) is provided with threads with opposite turning directions on the left and right sides.

6. The breaking strength detecting and stretching device according to claim 1, wherein the lower end of the fixing seat (9) is slidably connected with the guide rod (4), the left end and the right end of the guide rod (4) are rotatably connected with the first bearing seat (3), and the first bearing seat (3) is fixedly connected with the lower surface of the working table top (5).

7. The breaking strength detecting and stretching device according to claim 1, wherein the opposite surfaces of the lower holding piece (12) and the upper holding piece (13) are arc-shaped.

8. The breaking strength detecting stretching device according to claim 1 or 7, wherein the opposite side of the lower holding piece (12) and the upper holding piece (13) is provided with an anti-slip gasket.