CN217931128U

CN217931128U - PVC tubular product resistance to compression detection device

Info

Publication number: CN217931128U
Application number: CN202221015250.9U
Authority: CN
Inventors: 鄢鹏飞; 李勇军; 杨京明; 龙文武; 王雯; 狄志诚; 刘剑文
Original assignee: HUNAN PROVINCE MATERIALS RESEARCH AND DESIGN INSTITUTE Ltd
Current assignee: HUNAN PROVINCE MATERIALS RESEARCH AND DESIGN INSTITUTE Ltd
Priority date: 2022-04-27
Filing date: 2022-04-29
Publication date: 2022-11-29
Anticipated expiration: 2032-04-29

Abstract

The utility model discloses a PVC tubular product resistance to compression detection device, including examining test table, examine the installation of test table upper end bilateral symmetry and PVC pipe clamping mechanism, examine test table upper end middle part one side fixed mounting and detect the load guide pillar, sliding connection has the load slider on detecting the load guide pillar, load slider front side fixedly connected with spliced pole, the fixed frame of spliced pole front end fixedly connected with load block, the fixed frame inside fixedly connected with of load block detects the load block, it has stress surface mark steel ball to detect load block lower extreme mid-mounting, examine test table upper end middle part under the load block fixedly connected with brace table. The utility model has the advantages that: through setting up PVC pipe fixture and load piece fixing device at detection both ends, when having guaranteed to detect, detect the load piece and be in PVC pipe sample midmost, guaranteed that the atress of detecting the sample is even, atress face mark guarantees that twice measurement sleeve pipe external diameter change rate is in same atress face, the effectual detection error that has reduced has improved the detection precision.

Description

PVC tubular product resistance to compression detection device

Technical Field

The utility model relates to a PVC pipe processing detection area specifically is to relate to a PVC tubular product resistance to compression detection device.

Background

As is well known, PVC is a material (polyvinyl chloride) for short, the main component is polyvinyl chloride, and other components are added to enhance its heat resistance, toughness and ductility. The uppermost layer of the surface film is paint, the middle layer is mainly made of polyvinyl chloride, the lowermost layer is back-coated with adhesive, a compression test needs to be carried out before PVC pipes leave a factory, in JG 3050-1998 'insulating electrical casing and fittings for buildings' standard No. 6.4.2.2, only a sample is specified to be placed on a steel plate, and a square steel block is placed in the middle of the upper surface of the sample. The pressure test is carried out until the specified force value is obtained, the outer diameter change rate of the sample is measured, and after the specified time of load removal, the outer diameter change rate of the sample needs to be measured again on the same stress surface.

However, when the compression test of PVC tubular product is being carried out to current PVC tubular product resistance to compression detection device, need be held sample and square steel billet always, until the sample begins the atress, just can loosen one's hand, and current resistance to compression detection device can't carry out stress surface mark, can't be accurate twice the assurance in the test process of measuring the tubular product external diameter rate of change twice and measure and be in same stress surface, lead to PVC tubular product resistance to compression testing result to have great error, based on the current problem, this scheme discloses a PVC tubular product resistance to compression detection device.

SUMMERY OF THE UTILITY MODEL

For solving above-mentioned technical problem, provide a PVC tubular product resistance to compression detection device, this technical scheme has solved foretell but current PVC tubular product resistance to compression detection device is when carrying out the resistance to compression test of PVC tubular product, need hold sample and square steel bloom always, until the sample begins the atress, just can loosen one's hand, and current resistance to compression detection device can't carry out the stress surface mark, can't be accurate twice the assurance in the test process of measuring the tubular product external diameter rate of change is in same stress surface twice, lead to PVC tubular product resistance to compression testing result to have the problem of great error.

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

the utility model provides a PVC tubular product resistance to compression detection device, is including examining test table, examine the installation of test table upper end bilateral symmetry and press from both sides the mechanism, examine test table upper end middle part one side fixed mounting have the detection load guide pillar, sliding connection has the load slider on the detection load guide pillar, load slider front side fixedly connected with spliced pole, the fixed frame of spliced pole front end fixedly connected with load block, the fixed frame inside fixedly connected with detection load block of load block, it has stress surface mark steel ball to detect load block lower extreme mid-mounting.

Optionally, the PVC pipe clamping mechanism includes a clamping block sliding groove and a clamping slider block, the clamping block sliding groove and the clamping slider block are symmetrically arranged on two sides of the upper end of the detection table, the clamping slider block upper end is fixedly connected with a clamping piece which vertically extends upwards, one side of the clamping slider block is in threaded connection with a fastening bolt, and the clamping slider block is fixed inside the clamping block sliding groove through the fastening bolt.

Preferably, PVC pipe clamping mechanism includes the grip block slide rail, grip block slide rail fixed connection is in examining test table upper end, the sliding connection of grip block slide rail upper end symmetry has the centre gripping slider, the vertical holder that upwards extends of centre gripping slider upper end fixedly connected with.

Preferably, PVC pipe fixture is still including adjusting the slide rail, adjust slide rail fixed connection in examining test table one side, sliding connection has adjusting block on the regulation slide rail, the first hinge post of fixed connection of adjusting block front end bilateral symmetry, centre gripping slider front end fixedly connected with second hinge post, both sides all articulate on the first hinge post has connecting rod, both sides adjusting block's one end is kept away from to the connecting rod respectively with both sides the second hinge post of centre gripping slider is articulated.

Preferably, the PVC pipe clamping mechanism further comprises a clamping cylinder, the clamping cylinder is fixedly mounted on one side of the detection table through a cylinder mounting frame, and the output end of the clamping cylinder is connected with the adjusting slide block through a fisheye connecting piece.

Preferably, the load detection guide column is fixedly mounted at the upper end of the detection table through a mounting flange at the bottom of the load detection guide column, and a support table is fixedly connected to the middle of the upper end of the detection table.

Compared with the prior art, the utility model has the advantages of:

the utility model discloses a set up PVC pipe fixture at detection both ends, through the structure of both sides coordinated type, can be used to the PVC pipe sample of fixed different diameters, when having guaranteed to detect simultaneously, detect the loading piece and be in PVC pipe sample middle, guaranteed to detect the atress of sample evenly; further, drive adjusting block through the centre gripping cylinder and move down, adjusting block passes through the connecting rod and is connected with the centre gripping slider of both sides, and at adjusting block in-process that moves down, the centre gripping slider that can drive both sides removes inside in step, and then makes the holder carry out the centre gripping to the PVC pipe and fix, can realize the fixed PVC pipe sample of different diameters of automatically regulated.

The utility model discloses a be provided with stress surface mark steel ball at detection load piece lower extreme and can mark the stress surface when PVC pipe sample detects, the effectual assurance of stress surface mark is measured the sample maximum external diameter rate of change and is in same stress surface twice, the effectual detection error that has reduced has improved the detection precision.

Drawings

Fig. 1 is a schematic perspective view of embodiment 1 of the present invention;

fig. 2 is a schematic perspective view of the embodiment 1 of the present invention at another viewing angle;

FIG. 3 is a schematic perspective view showing a structure of a tape sample in novel embodiment 1 of this embodiment;

fig. 4 is a schematic perspective view of embodiment 2 of the present invention;

fig. 5 is a schematic perspective view of the embodiment 2 of the present invention at another viewing angle.

The reference numbers in the figures are:

1. a detection table; 101. a clamping block chute; 2. a clamping block slide rail; 3. clamping the slide block; 301. a second hinge post; 601. a first hinge post; 4. a clamping member; 5. adjusting the sliding rail; 6. adjusting the sliding block; 7. a connecting rod; 8. a cylinder mounting frame; 9. a clamping cylinder; 10. a fisheye connection; 11. detecting a load guide pillar; 1101. installing a flange; 12. a load slider; 1201. connecting columns; 1202. a load block fixing frame; 13. detecting a load block; 1301. marking steel balls on the stress surface; 14. a support table; 15. and (5) fixing the bolt.

Detailed Description

The following description is provided to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

Example 1:

referring to fig. 1-3, a compression-resistant detection device for a PVC pipe, which comprises a detection table 1, wherein PVC pipe clamping mechanisms are symmetrically arranged on two sides of the upper end of the detection table 1, a detection load guide pillar 11 is fixedly arranged on one side of the middle of the upper end of the detection table 1, the detection load guide pillar 11 is fixedly arranged on the upper end of the detection table 1 through a mounting flange 1101 at the bottom of the detection load guide pillar, a load slider 12 is slidably connected onto the detection load guide pillar 11, a connecting pillar 1201 is fixedly connected onto the front side of the load slider 12, a load block fixing frame 1202 is fixedly connected onto the front end of the connecting pillar 1201, a detection load block 13 is fixedly connected into the load block fixing frame 1202, a stress surface marking steel ball 1301 is arranged in the middle of the lower end of the detection load block 13, the stress surface marking steel ball 1301 is 1mm in diameter, the stress surface of the PVC pipe sample can be marked through the stress surface marking steel ball 1301 arranged at the lower end of the detection load block 13, the stress surface marking effectively ensures that the maximum external diameter change rate of the two measurement samples is in the same stress surface, detection error is effectively reduced, and the detection accuracy is improved.

In this embodiment, the PVC pipe clamping mechanism sets up the grip block spout 101 and the inside centre gripping slider 3 of sliding connection in grip block spout 101 of examining test table 1 upper end both sides including the symmetry, 3 vertical upwards extension's of the vertical holder 4 of fixedly connected with in grip block upper end of centre gripping slider, 3 one side threaded connection of grip block has fastening bolt 15, examine time measuring carrying out the sample, can release grip block 3 through unscrewing fastening bolt 15, later promote grip block 3 and make grip block 4 carry out the centre gripping to the sample, screw up fastening bolt 15 and can lock grip block 3 inside grip block spout 101, the completion is fixed to the centre gripping that detects the sample, can be used to the PVC pipe sample of fixed different diameters.

Example 2:

referring to fig. 4-5, a PVC pipe compression resistance detection device comprises a detection table 1, PVC pipe clamping mechanisms are symmetrically arranged on two sides of the upper end of the detection table 1, a detection load guide post 11 is fixedly arranged on one side of the middle of the upper end of the detection table 1, the detection load guide post 11 is fixedly arranged on the upper end of the detection table 1 through a mounting flange 1101 at the bottom of the detection load guide post, a load slider 12 is slidably connected onto the detection load guide post 11, a connecting post 1201 is fixedly connected onto the front side of the load slider 12, a load block fixing frame 1202 is fixedly connected onto the front end of the connecting post 1201, a detection load block 13 is fixedly connected into the load block fixing frame 1202, a stress surface marking steel ball 1301 is arranged in the middle of the lower end of the detection load block 13, the stress surface marking steel ball is a circular steel ball with the diameter of 1mm, a support table 14 is fixedly connected onto the middle of the upper end of the detection table 1, the support table 14 is as high as the clamping block slide rail 2, when the compression resistance is detected, the sample is supported by the support table 14, and the stress surface marking steel ball 1301 is arranged at the lower end of the detection load block 13.

In this embodiment, PVC pipe clamping mechanism includes grip

block slide rail

2, and 2 fixed connection in the 1 upper end of examining test table of grip block slide rail, the sliding connection of 2 upper end symmetries of grip block slide rail has grip block 3, the vertical holder 4 that upwards extends of 3 upper ends fixedly connected with of grip block, and the slip of grip block 3 through both sides can drive the holder 4 of both sides and press from both sides tightly fixedly to detecting the sample, can be used to the PVC pipe sample of fixed different diameters.

PVC pipe fixture is still including adjusting slide rail 5, adjust slide rail 5 fixed connection in examining 1 one side of test table, sliding connection has adjusting block 6 on adjusting slide rail 5, the first hinge post 601 of fixed connection of adjusting block 6 front end bilateral symmetry, 3 front end fixedly connected with second hinge post 301 of clamping block, all articulated on the first hinge post 601 of both sides have connecting rod 7, the one end that adjusting block 6 was kept away from to both sides connecting rod 7 is articulated with the second hinge post 301 of both sides clamping block 3 respectively, adjusting block 6 is connected with the clamping block 3 of both sides through connecting rod 7, at the in-process that adjusting block 6 moved down, the clamping block 3 that can drive both sides removes inside in step, structure through both sides coordinated type, when having guaranteed to detect, it is in the middle at PVC pipe sample to detect load block 13.

The PVC pipe clamping mechanism further comprises a clamping cylinder 9, the clamping cylinder 9 is fixedly mounted on one side of the detection table 1 through a cylinder mounting frame 8, the output end of the clamping cylinder 9 is connected with the adjusting slide block 6 through a fisheye connecting piece 10, the clamping cylinder 9 drives the adjusting slide block 6 to move up and down, and meanwhile when a sample is clamped, a clamping force is applied by the clamping cylinder 9.

The application process of the embodiment is as follows: at first set up PVC pipe sample on examining test table, later centre gripping cylinder 9 drives adjust slider 6 and moves down, adjust slider 6 passes through connecting rod 7 and is connected with the centre gripping slider 3 of both sides, at the in-process that adjust slider 6 moved down, the centre gripping slider 3 that can drive both sides moves inside in step, it is fixed to make holder 4 carry out the centre gripping to the PVC pipe, later load slider 12 moves down along detection load guide pillar 11, make detection load piece 13 exert detection load to PVC pipe sample, through the effectual assurance of stress surface mark steel ball 1301 twice measurement sample maximum external diameter rate of change be in same stress surface, and then obtain accurate detection data.

To sum up, the utility model has the advantages of: through setting up PVC pipe fixture and load piece fixing device at detecting both ends, can be used to the PVC pipe sample of fixed different diameters, when having guaranteed to detect simultaneously, detect the load piece and be in PVC pipe sample midmost, guaranteed that the atress of detecting the sample is even, the effectual assurance of stress surface mark twice measures the sample maximum external diameter rate of change and is in same stress surface, the effectual detection error that has reduced has improved the detection precision.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a PVC tubular product resistance to compression detection device, is including examining test table (1), its characterized in that, examining the installation of test table (1) upper end bilateral symmetry and holding the mechanism with the PVC pipe, examine test table (1) upper end middle part one side fixed mounting and have detection load guide pillar (11), sliding connection has load slider (12) on detecting load guide pillar (11), load slider (12) front side fixedly connected with spliced pole (1201), fixed frame (1202) of spliced pole (1201) front end fixedly connected with load block, the fixed frame (1202) of load block inside fixedly connected with detects load block (13), it has stress surface mark steel ball (1301) to detect load block (13) lower extreme mid-mounting.

2. The PVC pipe compression resistance detection device according to claim 1, wherein the PVC pipe clamping mechanism comprises clamping block sliding grooves (101) symmetrically formed in two sides of the upper end of the detection table (1) and clamping slide blocks (3) slidably connected inside the clamping block sliding grooves (101), a clamping piece (4) extending vertically and upwards is fixedly connected to the upper ends of the clamping slide blocks (3), a fastening bolt (15) is in threaded connection with one side of each clamping slide block (3), and the clamping slide blocks (3) are fixed inside the clamping block sliding grooves (101) through the fastening bolts (15).

3. The PVC pipe compression-resistant detection device according to claim 1, wherein the PVC pipe clamping mechanism comprises a clamping block slide rail (2), the clamping block slide rail (2) is fixedly connected to the upper end of the detection table (1), the clamping blocks (3) are symmetrically and slidably connected to the upper end of the clamping block slide rail (2), and a clamping piece (4) extending vertically and upwardly is fixedly connected to the upper end of the clamping blocks (3).

4. The PVC pipe compression resistance detection device according to claim 2, wherein the PVC pipe clamping mechanism further comprises an adjusting slide rail (5), the adjusting slide rail (5) is fixedly connected to one side of the detection table (1), an adjusting slide block (6) is slidably connected to the adjusting slide rail (5), first hinge columns (601) which are symmetrically arranged on two sides of the front end of the adjusting slide block (6), second hinge columns (301) which are fixedly connected to the front end of the clamping slide block (3), two sides of the first hinge columns (601) are respectively hinged with a connecting rod (7), and two sides of one end, far away from the adjusting slide block (6), of the connecting rod (7) are respectively hinged with the second hinge columns (301) of the clamping slide block (3).

5. The PVC pipe compression resistance detection device according to claim 3, wherein the PVC pipe clamping mechanism further comprises a clamping cylinder (9), the clamping cylinder (9) is fixedly installed on one side of the detection table (1) through a cylinder installation frame (8), and the output end of the clamping cylinder (9) is connected with the adjusting slider (6) through a fisheye connecting piece (10).

6. The PVC pipe compression resistance detection device according to claim 4, wherein the detection load guide pillar (11) is fixedly installed at the upper end of the detection platform (1) through a mounting flange (1101) at the bottom of the detection load guide pillar, and a support platform (14) is fixedly connected to the middle of the upper end of the detection platform (1).