CN211061297U

CN211061297U - Carpet pile cluster pull-out force testing device

Info

Publication number: CN211061297U
Application number: CN201921207644.2U
Authority: CN
Inventors: 周正; 邢金琪
Priority date: 2019-07-29
Filing date: 2019-07-29
Publication date: 2020-07-21
Anticipated expiration: 2029-07-29

Abstract

The utility model relates to a carpet pile cluster pull-out force testing arrangement, including base, cylinder, dynamometer, chain, clamp stores pylon, clamp and sample hold-down assembly, the cylinder is installed on the base, cylinder tailpiece of the piston rod end is connected with a type of falling T support horizontal part, the partial front side installation dynamometer of support vertical, dynamometer lower extreme couple portion is connected with chain one end, the chain other end is connected with the clamp stores pylon, the clamp hangs on the clamp stores pylon, be equipped with sample hold-down assembly under the clamp stores pylon, sample hold-down assembly is including installing two "∟" type extension boards and a clamp plate on the base, two extension board symmetries set up, all be equipped with the bolt hole on every extension board, the clamp plate is compressed tightly on the base with clamp bolt that wears to establish on the extension board, the clamp plate intermediate position is opened there is the round hole, the utility model has the characteristics of compact structure reasonable in design, convenient to operate and use, the test is swift accurate, low in manufacturing cost.

Description

Carpet pile cluster pull-out force testing device

Technical Field

The utility model relates to a carpet detects technical field, in particular to carpet pile cluster pull-out force testing arrangement.

Background

The tufted carpet has the advantages of environmental protection, low cost, rich colors, various colors, sound absorption and noise prevention, heat conduction and heat preservation, convenient maintenance and the like, is widely applied to interior decoration, obtains satisfactory effect, and increases the usage amount day by day. An important factor in the service life of tufted carpets is the retention characteristics of the tufts, and in some cases poorly constructed or poorly backed carpets can lose tufts altogether, the force required to pull individual tufts out of the carpet, i.e., the bond between the tufts and the backing.

The method for the extraction force test is specified in two standards of QB/T1090-2001 < test method for carpet tuft extraction force > and ISO 4919 < determination of carpet-tuft extraction force > 2012 < test method for carpet tuft extraction force >, and the average time used for successfully determining the maximum extraction force of the tufts is regulated to be controlled to be between 5s and 10s in the two standards, but the test equipment is only exemplary and does not have restrictive requirements, and due to various types of the tufts and carpets and different tuft lengths, when the clamp is connected to the tester after the tufts are clamped by the clamp, the problem that the tufts cannot be straightened as far as possible after the clamp is not connected to the tester or after the clamp is connected to the tester exists, the requirement for accurately measuring the tuft extraction force cannot be met, and the working efficiency is low.

Disclosure of Invention

The utility model discloses a solve the technical problem who exists among the known art and provide a carpet pile cluster pull-out force testing arrangement who has that structural design is reasonable, operation convenient to use, test are swift accurate, low cost, work efficiency is high.

The utility model discloses a solve the technical scheme that technical problem that exists among the well-known technique took and be:

a carpet pile tuft pull-out force testing device comprises a base, an air cylinder, a dynamometer, a chain, a clamp hanging frame, a clamp and a sample pressing assembly, wherein the air cylinder is installed on the base, a piston rod end of the air cylinder is connected with a horizontal part of an inverted T-shaped support, the dynamometer is installed on the front side of a vertical part of the support, a hook part at the lower end of the dynamometer is connected with one end of the chain, the other end of the chain is connected with the clamp hanging frame, the clamp is hung on the clamp hanging frame, the sample pressing assembly is arranged under the clamp hanging frame, the sample pressing assembly comprises two ∟ -shaped support plates and a pressing plate, the two support plates are symmetrically arranged, bolt holes are formed in each support plate, the pressing plate is pressed on the base through pressing bolts penetrating through the support plates, and a round hole is formed in the middle position of.

The utility model discloses can also adopt following technical measure:

the clamp hanger comprises a 'the resistance' type hanging rod, a connecting rod and a clamp hook, the hanging rod penetrates through a hinge hole in one end of a chain and is arranged on the upper end face of the connecting rod, the clamp hook is installed on the lower end face of the connecting rod, and a clamp is hung on the clamp hook.

The pressing plate is also provided with a rectangular notch communicated with the round hole.

The cylinder is a double-shaft cylinder.

The head of the compression bolt is provided with a star-shaped handle.

The utility model has the advantages and positive effects that:

by adopting the technical scheme, the utility model, namely, the sample is compressed by the sample compressing assembly and is stably lifted by the control cylinder to drive the dynamometer to move upwards, so that the withdrawal force of the carpet pile cluster to be tested is tested, the tested sample can be kept fixed in the testing process, the actual value of the withdrawal force of the tufting is better reflected by the data obtained by testing, and the testing is rapid and accurate; the chain is arranged between the dynamometer and the clamp hanging frame, so that the effective length of the chain hung on the dynamometer can be conveniently adjusted according to the length of the flock, the flock is straightened as far as possible, the average time for measuring the maximum pullout force of the flock is controlled to be 5-10 s, and the standard requirement is met; the sample pressing assembly capable of pressing the sample by pressing the pressing plate by screwing the bolt is arranged, so that the pressing effect is good, the sample pressing assembly is stable and durable, and the operation is convenient; the utility model has the characteristics of compact structure, reasonable in design, operation convenient to use, test are swift accurate, low in manufacturing cost is honest and clean, electromechanical automation degree is high, stability is high, work efficiency is high, application scope is wide etc.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural diagram of the sample pressing assembly of the present invention;

FIG. 3 is a top view of FIG. 2;

fig. 4 is a schematic structural view of the pressing plate of the present invention;

FIG. 5 is a schematic view of the connection between the chain and the clamp hanger according to the present invention;

fig. 6 is a schematic structural view of the clamp hanger of the present invention.

In the figure: 1-a base; 2-a cylinder; 3-a dynamometer; 31-a hook portion; 4-a chain; 41-reaming; 5-a clamp hanger; 51-hanging rod; 52-a connecting rod; 53-a tong hook; 6-clamping; 7-a sample hold down assembly; 71-a plate; 72-a platen; 721-circular holes; 722-gap; 73-hold down bolts; 731-handle; 8-bracket.

Detailed Description

For further understanding of the contents, features and effects of the present invention, the following embodiments are exemplified and will be described in detail with reference to the accompanying drawings:

referring to fig. 1 to 6, the embodiment provides a carpet pile pull-out force testing device, which includes a base 1, an air cylinder 2, a dynamometer 3, a chain 4, a clamp hanger 5, a clamp 6 and a sample pressing assembly 7, wherein the air cylinder 2 is installed on the base 1, a piston rod end of the air cylinder 2 is connected with a horizontal portion of an inverted T-shaped support 8, the dynamometer 3 is installed on the front side of a vertical portion of the support 8, a hook portion 31 at the lower end of the dynamometer 3 is connected with one end of the chain 4, the other end of the chain 4 is connected with the clamp hanger 5, the clamp 6 is hung on the clamp hanger 5, the sample pressing assembly 7 is arranged right below the clamp hanger 5, the sample pressing assembly 7 includes two "∟" type support plates 71 and a pressing plate 72 which are installed on the base 1, the two support plates 71 are symmetrically arranged, each support plate 71 is provided with a pressing bolt 73 which penetrates through the support plate 71 to press the pressing plate 72 against the base 1, a circular hole is formed in the middle of the pressing plate 72, the diameter of the circular hole is 24mm, which is convenient.

As a further preferred embodiment, the clamp hanger 5 includes a "knitting" type hanging rod 51, a connecting rod 52 and a clamp hook 53, the hanging rod 51 is inserted through the hinge hole 41 at one end of the chain 4 and is disposed on the upper end surface of the connecting rod 52, the clamp hook 53 is mounted on the lower end surface of the connecting rod 52, and the clamp 6 is hooked on the clamp hook 53. The clamp stores pylon that sets up guarantees hanging steadily of clamp, prevents to produce in the test procedure and rocks, makes the test result more accurate.

As a further preferred embodiment, the pressing plate 72 is further provided with a rectangular notch 722 communicating with the circular hole 721. The carpet pile cluster at the round hole position is subjected to a pull-out force experiment, and the carpet pile cluster at the rectangular notch reaches the center position of the round hole by moving a carpet sample, so that continuous multipoint sampling test can be conveniently realized.

As a further preferred embodiment, the cylinder 2 is a double-shaft cylinder, and has compact and exquisite structure and high precision.

As a further preferred embodiment, the head of the hold-down bolt 73 is provided with a star-shaped handle 731, which is more convenient for the hand of the tester to grasp and screw.

The utility model discloses carpet pile cluster pulls out concrete test procedure of power value:

during testing, firstly placing the intercepted carpet pile sample to be tested on a bottom plate, selecting one end of one pile, and clamping the pile by using a clamp or other clamping components, wherein the operation can be completed by bending the sample and fully exposing the pile; then, placing a pressing plate on a sample to be tested, enabling the clamped flock to be positioned at the center of an opening of the pressing plate, screwing the star-shaped pressing bolts on the two sides, enabling the lower ends of the pressing bolts to move downwards and abut against the pressing plate, pressing the sample to be tested, enabling the sample to be flatly placed in a horizontal plane, and fixing the pressing plate at a proper height; hanging the clamp on a clamp hanging frame, ensuring that the tip of the clamp is kept in the vertical direction, enabling the stress direction of the pile tufts to be vertical to the horizontally placed sample, and properly adjusting the position of the chain hung on the dynamometer according to the length of the pile tufts to enable the pile tufts to be straightened as far as possible; and starting the velvet cluster pulling force test, starting the testing device, controlling the piston rod of the air cylinder to move upwards slowly until the velvet cluster is pulled out completely, and recording the maximum force value.

The utility model adopts the test sample compressing component to compress the test sample, and stably promotes through the control cylinder, drives the dynamometer to move upwards, and further tests the withdrawal force of the carpet pile cluster to be tested, the tested sample can be kept fixed in the test process, the data obtained by the test better reflects the actual value of the withdrawal force of the tufting, and the test is rapid and accurate; the chain is arranged between the dynamometer and the clamp hanging frame, so that the effective length of the chain hung on the dynamometer can be conveniently adjusted according to the length of the flock, the flock is straightened as far as possible, the average time for measuring the maximum pullout force of the flock is controlled to be 5-10 s, and the standard requirement is met; the sample pressing assembly capable of pressing the sample by pressing the pressing plate by screwing the bolt is arranged, so that the pressing effect is good, the clamping is firm, the stability and the durability are realized, and the operation is convenient; the utility model has the characteristics of compact structure, reasonable design, small volume, convenient carrying, convenient operation and use, quick and accurate test, low manufacturing cost, high electromechanical automation degree, high stability, high working efficiency, wide application range and the like; the method can be used for measuring a small amount of samples in a laboratory, and can also be used for a certain specific occasion of an existing carpet or a large carpet.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any form, and all the changes and modifications equivalent to any simple modification made by the technical entity of the present invention to the above embodiments are within the scope of the technical solution of the present invention.

Claims

1. The carpet pile tuft pull-out force testing device is characterized by comprising a base, an air cylinder, a dynamometer, a chain, a clamp hanging frame, a clamp and a sample pressing assembly, wherein the air cylinder is installed on the base, a piston rod end of the air cylinder is connected with a horizontal part of an inverted T-shaped support, the dynamometer is installed on the front side of a vertical part of the support, a hook part at the lower end of the dynamometer is connected with one end of the chain, the other end of the chain is connected with the clamp hanging frame, the clamp is hung on the clamp hanging frame, the sample pressing assembly is arranged right below the clamp hanging frame, the sample pressing assembly comprises two ∟ -shaped support plates and a pressing plate, the two support plates are symmetrically arranged, bolt holes are formed in each support plate, the pressing bolt penetrating through the support plates presses the pressing plate onto the base, and a round hole is formed in the middle position of the.

2. The carpet pile tuft pull-out force testing apparatus of claim 1 wherein: the clamp hanger comprises a 'the resistance' type hanging rod, a connecting rod and a clamp hook, the hanging rod penetrates through a hinge hole in one end of a chain and is arranged on the upper end face of the connecting rod, the clamp hook is installed on the lower end face of the connecting rod, and a clamp is hung on the clamp hook.

3. The carpet pile tuft pull-out force testing apparatus of claim 1 wherein: the pressing plate is also provided with a rectangular notch communicated with the round hole.

4. The carpet pile tuft pull-out force testing apparatus of claim 1 wherein: the cylinder is a double-shaft cylinder.

5. The carpet pile tuft pull-out force testing apparatus of claim 1 wherein: the head of the compression bolt is provided with a star-shaped handle.