CN211013331U

CN211013331U - Hydraulic tensioner push-out force detection tool

Info

Publication number: CN211013331U
Application number: CN201922101908.2U
Authority: CN
Inventors: 林大力; 陈运
Original assignee: Neijiang Hengbo Machinery Manufacture Co ltd
Current assignee: Neijiang Hengbo Machinery Manufacture Co ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-07-14
Anticipated expiration: 2029-11-29

Abstract

The utility model provides a hydraulic pressure tensioning ware push-out force detects frock, including bottom plate, dynamometry meter and hold-down mechanism, be equipped with two fixed axles on the bottom plate, the connecting hole that sets up on fixed axle and the hydraulic pressure tensioning ware is joined in marriage and is made, is used for laying hydraulic pressure tensioning ware, dynamometer and bottom plate fixed connection, its cylinder end centering that detects head and hydraulic pressure tensioning ware, hold-down mechanism pass through the stand support on the bottom plate and be located the top of fixed axle, be used for compressing tightly hydraulic pressure tensioning ware. Compared with the prior art, the utility model discloses following beneficial effect has: through the cooperation of fixed axle and hold-down mechanism, hydraulic pressure tensioning ware is fixed on the bottom plate, and dynamometer and bottom plate fixed connection can guarantee to be detected the relative fixation of product and detecting instrument simultaneously to fixed the direction of the ejecting force direction, improved the accuracy and the detection efficiency of detection data.

Description

Hydraulic tensioner push-out force detection tool

Technical Field

The utility model relates to an effort detects technical field, concretely relates to hydraulic pressure tensioning ware release power detects frock.

Background

The tensioner acts on a timing belt or chain of an engine to guide and tension the timing belt or chain so that the timing belt or chain is always in an optimal tension state. Tensioners are generally classified into hydraulic tensioners and mechanical tensioners, which automatically adjust the tension of a timing belt and a timing chain.

In order to maintain the proper tension of the timing belt and timing chain, i.e., not to jump teeth due to excessive looseness or damage due to excessive tightness, a special tensioning system is provided, which consists of a tensioner and a tensioning wheel or a guide rail. The tensioner provides pressure directed toward the timing belt or chain, the tensioner is in direct contact with the timing belt, and the guide rail is in direct contact with the timing chain, which exert pressure provided by the tensioner on the belt or chain while they are running, maintaining them at the proper tension.

After the hydraulic tensioner is assembled, the pushing force of the hydraulic tensioner needs to be detected so as to meet the technical indexes of products, and meanwhile, the quality of the manufacturing and assembling process of parts can be indirectly reflected. At present, the detection of the push-out force of the hydraulic tensioner is that a detection worker holds a dynamometer by experience to detect the push-out force, a detected product and a detection instrument are easy to shake in the detection process, the direction of the push-out force cannot be ensured, so that the detection data is not accurate enough, the hydraulic tensioner breaks down in subsequent use, and the detection efficiency is too low.

SUMMERY OF THE UTILITY MODEL

The utility model provides a be not enough to prior art, the utility model aims at providing a hydraulic pressure tensioning ware push-out force detects frock to solve among the prior art hydraulic pressure tensioning ware push-out force's detection all be the detection workman rely on the handheld dynamometer of experience to detect it, detected product and detecting instrument produce easily in the testing process and rock, can't guarantee the direction of push-out force, make the detection data not accurate enough, lead to hydraulic pressure tensioning ware to break down when subsequent use, detection efficiency is low problem excessively simultaneously.

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

the utility model provides a pair of hydraulic pressure tensioning ware pushout force detects frock, take into account hold-down mechanism including bottom plate, dynamometry, be equipped with two fixed axles on the bottom plate, the connecting hole that sets up on fixed axle and the hydraulic pressure tensioning ware is joined in marriage and is made, is used for laying hydraulic pressure tensioning ware, the dynamometer with bottom plate fixed connection, its cylinder end centering that detects head and hydraulic pressure tensioning ware, hold-down mechanism passes through the stand and supports just be located on the bottom plate the top of fixed axle, be used for compressing tightly hydraulic pressure tensioning ware.

Furthermore, hold-down mechanism includes backup pad and compresses tightly the cylinder, the backup pad pass through locking screw with stand fixed connection, compress tightly cylinder fixed mounting in the backup pad, its end that stretches out is passed be connected with the pressure head behind the backup pad.

Furthermore, a rubber pad is bonded on one surface of the pressure head, which is in contact with the hydraulic tensioner.

Further, the indenter is a copper indenter.

Further, the stand cross section is the major arc circular segment, locking screw with backup pad left end threaded connection, it passes it contradict behind the backup pad on the straight face that the stand formed with the major arc circular segment straight flange.

Furthermore, four counter bores are formed in the bottom plate, and the dynamometer is in threaded connection with an inner hexagonal socket head cap screw penetrating through the counter bores.

Furthermore, a serial port and a power interface are arranged in parallel at one end of the dynamometer, which is far away from the detection head.

Furthermore, the fixed shaft is divided into a guide section and a threaded section, the guide section is in sliding fit with a connecting hole formed in the hydraulic tensioner, and the threaded section is in threaded connection with a threaded hole formed in the base plate.

Compared with the prior art, the utility model provides a hydraulic pressure tensioning ware release power detects frock has following beneficial effect:

1. through the matching action of the fixed shaft and the pressing mechanism, the hydraulic tensioner is fixed on the bottom plate, and meanwhile, the dynamometer is fixedly connected with the bottom plate, so that the relative fixation of a detected product and a detection instrument can be ensured, the direction of the pushing force is fixed, and the accuracy and the detection efficiency of detection data are improved;

2. a rubber pad is bonded on one surface of the pressure head, which is in contact with the hydraulic tensioner, so that the pressure head can play a role of buffering when the hydraulic tensioner is pressed;

3. the pressure head is made of copper, so that collision and damage of the hydraulic tensioner can be effectively avoided when the rubber pad is damaged;

4. through setting to the stand that major arc circle lacks, can adjust the height of backup pad after loosening locking screw to the realization compresses tightly the regulation of cylinder height, and then realizes the regulation of pressure head compression dynamics, can effectively prevent the backup pad to take place to rotate when altitude mixture control simultaneously.

Drawings

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

FIG. 2 is a schematic top view of the hydraulic tensioner of the present invention when not in place;

FIG. 3 is a schematic sectional view A-A of FIG. 1;

fig. 4 is a schematic view of a portion of the structure in the direction B in fig. 1.

The reference numerals are explained below:

10: bottom plate 11: fixed shaft

12: counter bore 13: threaded hole

20: the dynamometer 21: detection head

22: serial port 23: power supply interface

30: the pressing mechanism 31: upright post

32: support plate 33: compressing cylinder

34: locking screw 35: and (4) pressing head.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" in the following description are used only to indicate the correspondence between the upper, lower, left and right directions of the drawings themselves, and do not limit the structure.

As shown in fig. 1-4, the utility model provides a hydraulic tensioner push-out force detects frock, including bottom plate 10, dynamometer 20 and hold-down mechanism 30, be equipped with two fixed axles 11 on the bottom plate 10, the connecting hole that sets up on fixed axle 11 and the hydraulic tensioner (see fig. 3) is joined in marriage, is used for laying hydraulic tensioner, dynamometer 20 and bottom plate 10 fixed connection, its cylinder end centering that detects head 21 and hydraulic tensioner, hold-down mechanism 30 supports on bottom plate 10 and is located the top of fixed axle 11 through stand 31, is used for compressing tightly hydraulic tensioner.

When the hydraulic tensioner works, firstly, the hydraulic tensioner is placed on the fixed shaft 11 through the connecting hole, and the end head of the cylinder body of the hydraulic tensioner is contacted with the detection head 21 of the dynamometer 20; secondly, the hydraulic tensioner is pressed by a pressing mechanism 30; thirdly, opening the dynamometer 20, pulling out a plug pin of the hydraulic tensioner, pushing out the cylinder under the action of a spring, measuring the pushing force of the cylinder through the detection head 21, displaying and recording the pushing force on a display screen of the dynamometer 20, if the pushing force is within the range of 35-48N, indicating that the detected hydraulic tensioner meets the technical index of the product and is qualified, and if the pushing force exceeds (is lower than or larger than) the range, indicating that the detected hydraulic tensioner does not meet the technical index of the product and is not qualified, and needing to be corrected; and finally, loosening the pressing mechanism, canceling the hydraulic tensioner which is detected, replacing a new hydraulic tensioner to be detected, and repeating the operation to continue the detection. Through the cooperation of fixed axle and hold-down mechanism, hydraulic pressure tensioning ware is fixed on the bottom plate, and dynamometer and bottom plate fixed connection can guarantee to be detected the relative fixation of product and detecting instrument simultaneously to fixed the direction of the ejecting force direction, improved the accuracy and the detection efficiency of detection data.

The pressing mechanism 30 comprises a supporting plate 32 and a pressing cylinder 33, the supporting plate 32 is fixedly connected with the upright column 31 through a locking screw 34, and the pressing cylinder 33 is fixedly installed on the supporting plate 32, and the extending end of the pressing cylinder penetrates through the supporting plate 32 and then is connected with a pressing head 35. A rubber pad is bonded on one surface of the pressure head 35, which is in contact with the hydraulic tensioner, and can play a role in buffering when the hydraulic tensioner is pressed; in this embodiment, pressure head 35 is the copper pressure head, can effectively avoid hydraulic pressure tensioning ware's the damage of colliding with when the rubber pad is damaged.

As shown in fig. 2, the cross section of the upright column 31 is a major arc segment, and the locking screw 34 is in threaded connection with the left end of the supporting plate 32, penetrates through the supporting plate 32 and then abuts against a straight surface formed by the straight edge of the major arc segment of the upright column 31. Through setting to the stand that major arc circle lacks, can adjust the height of backup pad after loosening locking screw to the realization compresses tightly the regulation of cylinder height, and then realizes the regulation of pressure head compression dynamics, can effectively prevent the backup pad to take place to rotate when altitude mixture control simultaneously.

As shown in fig. 1, four counter bores 12 are formed in the bottom plate 10, and the dynamometer 20 is in threaded connection with an allen cap screw passing through the counter bores 12, so that the dynamometer 20 is convenient to overhaul and maintain.

As shown in fig. 4, a serial port 22 and a power interface 23 are arranged in parallel at one end of the dynamometer 20 far away from the detection head 21. Detection data can be exported through the serial port 22, and analysis and checking are facilitated; the dynamometer 20 can be supplied with a continuously used power by being connected to an external power source through the power interface 23.

As shown in fig. 1, the fixed shaft 11 is divided into a guide section and a threaded section, the guide section is in sliding fit with a connecting hole formed on the hydraulic tensioner, and the threaded section is in threaded connection with a threaded hole 13 formed on the base plate 10.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides a hydraulic pressure tensioning ware push-out force detects frock which characterized in that, includes bottom plate, dynamometry meter and hold-down mechanism, be equipped with two fixed axles on the bottom plate, the connecting hole that sets up on fixed axle and the hydraulic pressure tensioning ware is joined in marriage and is used for laying hydraulic pressure tensioning ware, the dynamometer with bottom plate fixed connection, its detection head and hydraulic pressure tensioning ware's cylinder end centering, hold-down mechanism supports through the stand on the bottom plate and be located the top of fixed axle, be used for compressing tightly hydraulic pressure tensioning ware.

2. The hydraulic tensioner push-out force detection tool according to claim 1, wherein the compression mechanism comprises a support plate and a compression cylinder, the support plate is fixedly connected with the upright column through a locking screw, the compression cylinder is fixedly installed on the support plate, and a pressure head is connected to an extended end of the compression cylinder after the extended end of the compression cylinder penetrates through the support plate.

3. The hydraulic tensioner push-out force detection tool according to claim 2, wherein a rubber pad is bonded to one surface of the pressure head, which is in contact with the hydraulic tensioner.

4. The hydraulic tensioner push-out force detection tool of claim 2 or 3, wherein the ram is a copper ram.

5. The hydraulic tensioner push-out force detection tool according to claim 2, wherein the cross section of the upright column is a major arc segment, and the locking screw is in threaded connection with the left end of the support plate and abuts against a straight surface of the upright column formed by straight edges of the major arc segment after penetrating through the support plate.

6. The hydraulic tensioner push-out force detection tool according to claim 1, wherein the bottom plate is provided with four counter bores, and the dynamometer is in threaded connection with a socket head cap screw penetrating through the counter bores.

7. The hydraulic tensioner push-out force detection tool according to claim 1 or 6, wherein a serial port and a power supply interface are arranged in parallel at one end of the dynamometer far away from the detection head.

8. The hydraulic tensioner push-out force detection tool according to claim 1, wherein the fixed shaft is divided into a guide section and a threaded section, the guide section is in sliding fit with a connecting hole formed in the hydraulic tensioner, and the threaded section is in threaded connection with a threaded hole formed in the base plate.