CN219532772U - Static load testing device - Google Patents

Abstract

The utility model provides a static load testing device, which comprises: the first end of the target test product requiring static load test is fixed at the first end of the frame; the shaft lever is arranged at the second end of the frame far away from the target test product; a clamp having a first end connected to a second end of the target test product; a traction portion, the first end of the clamp being connected to the first end of the traction portion, and an intermediate section of the traction portion contacting the intermediate section of the shaft; and a weight portion, a second end of the traction portion being connected to a top of the weight portion and being force-transmissively connected to a second end of the target test product via the traction portion, wherein the shaft is supported at the second end of the frame at a shaft support portion of which the height is adjustable so that the target test product, the jig, and the traction portion are located at the same level. The fixture can be used for conveniently realizing reliable connection between a target test product and the traction part, so that the stability during test is ensured. Meanwhile, the whole structure of the device is simplified, and the operation is convenient and quick.

Description

Static load testing device

Technical Field

The utility model relates to a static load testing device, and belongs to the technical field of static load testing.

Background

The mold shrinkage sleeve adopts a special high-performance special heat shrinkage material, is loose in an initial state, can be completely and tightly shrunk to a cable terminal connection position, a cable opening, a cable bifurcation connection position and the like through heating, provides good stress relief, sealing and mechanical protection, and meets the use requirements of complex electric appliance assembly. With the development of the aviation industry, the number and quality of the compression sets for aviation are increasingly required.

The static mechanical property of the material is the most basic parameter for evaluating the material. Static load detection is used for detecting the performance of the material under the static load, which bears external force. The static load between the swage sleeve bundle and the swage sleeve bundle mount is one of the key indicators for evaluating the swage sleeve performance.

There are clear requirements and methods for static load testing in the relevant industry standards. When the test starts, the two ends of the target test product are respectively fixed on the bracket (frame) and the clamp. In the testing process, the target test product, the clamp and the traction part which is horizontally oriented are positioned at the same horizontal height so as to ensure the accuracy of static load testing.

The target test product of the present utility model may be a shrink sleeve that is tightly shrunk onto the tubular. In carrying out static load testing of the swage sleeve, it must be fully compressed tightly onto the tube, which may be a wire or cable. And finally, setting the pressure and time of the test according to the requirement, and completing the static load test.

However, the existing static load testing device has insufficient testing stability, is complex and inconvenient to operate, and has adverse effects on testing efficiency.

Accordingly, there remains a need for further improvements in the construction of existing static load testing devices.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model aims to provide a static load testing device which aims at guaranteeing the accuracy and stability during testing, simplifying the whole structure of the device and being convenient and quick to operate.

In order to solve the above problems, the present utility model provides a static load testing device, including: the first end of the target test product requiring static load test is fixed at the first end of the frame; the shaft lever is arranged at the second end of the frame far away from the target test product; a clamp having a first end connected to a second end of the target test product; a traction portion, the first end of the clamp being connected to the first end of the traction portion, and an intermediate section of the traction portion contacting the intermediate section of the shaft; and a weight portion, a second end of the traction portion being connected to a top of the weight portion and being force-transmissively connected to a second end of the target test product via the traction portion, wherein the shaft is supported at the second end of the frame at a shaft support portion of which the height is adjustable so that the target test product, the jig, and the traction portion are located at the same level.

In a first example of the static load testing device, the static load testing device includes: the first end of the target test product requiring static load test is fixed at the first end of the frame; the shaft lever is arranged at the second end of the frame far away from the target test product; a clamp having a first end connected to a second end of the target test product; a traction portion, the first end of the clamp being connected to the first end of the traction portion, and an intermediate section of the traction portion contacting the intermediate section of the shaft; and a weight portion, a second end of the traction portion being connected to a top of the weight portion and being force-transmissively connected to a second end of the target test product via the traction portion, wherein the shaft is supported at the second end of the frame at a shaft support portion of which the height is adjustable so that the target test product, the jig, and the traction portion are located at the same level.

In a second example of the static load testing apparatus, optionally including the first example, the fixture further comprises: the clamp comprises a clamp body, wherein the clamp body is provided with a first groove at a first end of the clamp and a second groove at a second end of the clamp; the first mounting part is detachably connected with the clamp body, a third groove corresponding to the first groove is formed in the first mounting part, and the third groove and the first groove are matched to form a first cladding space, wherein the clamp is clad through the first cladding space in the first mounting part and is used for fixing a target test product; and a second mounting portion provided with a fourth groove corresponding to the second groove, and the fourth groove and the second groove cooperate to form a second coating space, wherein the clip coats and fixes the traction wire portion through the second coating space in the second mounting portion.

In a third example of the static load testing device, optionally including one or more of the first example and the second example, the first groove is provided with a first recess table accommodating the first mounting portion, the second groove is provided with a second recess table accommodating the second mounting portion, and the first recess table and the second recess table are provided on both sides of the central axis of the jig body, respectively.

In a fourth example of the static load testing device, optionally including one or more of the first example to the third example, the first groove is provided with a first recess table accommodating the first mounting portion, the second groove is provided with a second recess table accommodating the second mounting portion, and the first recess table and the second recess table are provided on both sides of the central axis of the jig body, respectively.

In a fifth example of the static load testing device, optionally including one or more of the first example to the fourth example, the first groove is provided with a first recess table accommodating the first mounting portion, the second groove is provided with a second recess table accommodating the second mounting portion, and the first recess table and the second recess table are provided on both sides of the central axis of the jig body, respectively.

In a sixth example of the static load testing device, optionally including one or more of the first to fifth examples, the slide rail and/or the slider is provided with a self-locking assembly such that the slider remains stationary at any position of the slide rail.

In a seventh example of the static load testing device, optionally including one or more of the first to sixth examples, the slide rail and/or the slider is provided with a self-locking assembly such that the slider remains stationary at any position of the slide rail.

In an eighth example of the static load testing device, optionally including one or more of the first to seventh examples, the intermediate section of the shaft is provided with a guide wheel rotatable around the shaft, and an outer periphery of the guide wheel is provided with a traction portion limiting groove for the traction portion to contact.

In a ninth example of the static load testing device, optionally including one or more of the first to eighth examples, the intermediate section of the shaft is provided with a guide wheel rotatable around the shaft, and an outer periphery of the guide wheel is provided with a traction portion limiting groove for the traction portion to contact.

In a tenth example of the static load testing device, optionally including one or more of the first to ninth examples, the second end of the traction portion is detachably connected with the top of the weight portion.

The embodiment of the utility model can conveniently realize the reliable connection between the target test product and the traction part by providing the static load testing device and utilizing the clamp, thereby ensuring the stability during the test. Meanwhile, the whole structure of the device is simplified, and the operation is convenient and quick.

Drawings

In order to describe the manner in which the above-recited and other features of the utility model can be obtained, a more particular description of the utility model briefly described above will be rendered by reference to exemplary embodiments thereof which are illustrated in the appended drawings. Understanding that these drawings depict only exemplary embodiments of the utility model and are not therefore to be considered to be limiting of its scope, the utility model will be described and explained with additional specificity and detail through the use of the accompanying drawings. In the drawings:

FIG. 1 is a perspective view of a static load testing device according to a preferred embodiment of the present utility model;

fig. 2 is an exploded view of a clamp of a static load testing apparatus according to a preferred embodiment of the present utility model.

Fig. 1 and 2 are generally drawn to scale, however, the dimensions in the drawings are merely schematic and are not necessarily drawn to scale but are intended to be more clearly illustrated. In other embodiments, other relative dimensions may be used.

The same reference numbers are used herein and throughout the following description to refer to the same or like features appearing in different drawings.

List of reference numerals:

100. frame

200. Shaft lever

300. Traction part

400. Clamp

410. Clamp body

411. First groove

412. Second groove

420. A first mounting part

421. Third groove

430. A second mounting part

431. Fourth groove

500. Counterweight part

600. Shaft lever supporting part

610. Sliding block

620. Support arm

630. Sliding rail

700. Fixing part

710. Notch 710

800. Guide wheel

Detailed Description

The present utility model will be further described with reference to specific embodiments and drawings, in which more details are set forth in the following description in order to provide a thorough understanding of the present utility model, it will be apparent that the present utility model can be embodied in many other forms than described herein, and that those skilled in the art may make similar generalizations and deductions depending on the actual application without departing from the spirit of the present utility model, and therefore should not be taken as limiting the scope of the present utility model in its context.

In the embodiment of the present utility model, "upper", "top" is defined as the direction toward the upper side of fig. 1.

Fig. 1 schematically shows a static load testing device of a preferred embodiment of the utility model. It mainly includes a frame 100, a shaft 200, a traction portion 300, a jig 400, and a weight portion 500.

As shown in fig. 1, the frame 100 serves as a main structure, and a target test product and a mounting position of the shaft 200 are provided by providing the frame 100. Preferably, a first end of a target test product requiring static load testing may be secured to a first end of the frame 100. The shaft 200 may be provided at a second end of the frame 100 remote from the target test product.

Preferably, the frame 100 may be a frame structure formed by splicing a plurality of connecting rods, so that the use of materials can be reduced and the overall weight can be reduced while the strength is ensured. Preferably, the frame 100 may be made of iron or aluminum alloy material.

The traction part 300 is used for connecting the weight part 500 and the target test product, i.e., the tensile force supplied by the weight part 500 is transferred to the target test product through the traction part 300.

Preferably, the traction portion 300 may be a wire rope or a rope made of other materials with a predetermined bearing force, so as to avoid breakage when the tension of the weight portion 500 is transferred.

The weight 500 may be used to provide a stable pulling force required for testing by providing the weight 500 at the second end of the traction portion 300. Specifically, the second end of the traction portion 300 is connected to the top of the weight portion 500, and is force-transitionally connected to the second end of the target test product via the traction portion 300.

Preferably, the weight 500 may be a standard weight gauge such as a silicon code. Preferably, the weight of the weight 500 may be selected to be within 1kg-30 kg.

The shaft lever 200 is mainly used for suspending the weight portion 500, so that the gravity of the weight portion 500 can be transferred to the target test product via the traction portion 300, and a tensile force required for testing the target test product is provided.

Preferably, the shaft 200 may be supported on a shaft supporting portion 600 with adjustable height at the second end of the frame 100, and the height of the shaft supporting portion 600 is adjusted to ensure that the target test product, the fixture 400, and the traction portion 300 (particularly, the traction portion 300 in the horizontal direction) are located at the same level, so as to ensure the accuracy of the static load testing device.

During static load testing, the static load testing device is required to be in a static state and to be maintained for a certain time. Improving the stability of the target test product during testing can enable the test result to be more accurate. Under the combined action of the shaft lever 200, the weight part 500 and the target test product, the weight part 500 is suspended in the air and is stable and motionless in the air, so that the static balance of the static load test device is realized, and the static load test device is maintained for a certain time to finish the test.

The clamp 400 is used to connect the traction portion 300 and the target test product, and to achieve connection and fixation of the traction portion 300 and the target test product in the horizontal direction. The clamp 400 can generate enough pressing force at both ends, so that the target test product and the traction part 300 cannot loosen and fall off, and the connection stability is ensured. Specifically, the first end of the clamp 400 is connected to the second end of the target test product, and the second end of the clamp 400 is connected to the first end of the traction portion 300. The middle section of the traction portion 300 contacts the middle section of the shaft 200.

As shown in fig. 2, in a preferred embodiment, the clip 400 further includes a clip body 410, a first mounting portion 420, and a second mounting portion 430. The first and second mounting portions 420 and 430 are detachably coupled with the clamp body 410, respectively.

Preferably, the clamp body 410 may be provided with a first recess 411 at a first end of the clamp 400 and a second recess 412 at a second end of the clamp 400.

At the time of assembly, the second end of the target test product is first placed in the first recess 411 while the first end of the pulling part 300 is placed in the second recess 412. The first and second mounting portions 420 and 430 are then assembled to the jig body 410. The first cladding space and the second cladding space are utilized to clamp and fix the corresponding target test product and the traction part 300, so that the fixation between the traction part 300 and the target test product is realized, and the operation is simple and convenient.

Preferably, the first mounting part 420 may be detachably connected with the fixture body 410, the first mounting part 420 is provided with a third groove 421 corresponding to the first groove 411, and the third groove 421 cooperates with the first groove 411 to form a first coating space, wherein the fixture 400 coats and fixes the target test product through the first coating space in the first mounting part 420. The second mounting portion 430 may be provided with a fourth groove 431 corresponding to the second groove 412, and the fourth groove 431 cooperates with the second groove 412 to form a second coating space, wherein the clip 400 coats and secures the traction wire portion 300 through the second coating space in the second mounting portion 430.

Preferably, the first and second mounting portions 420 and 430 may be snappingly connected to the clamp body 410 by a shape fit. Preferably, the first and second mounting portions 420 and 430 may be fixedly coupled to the clamp body 410 by threaded fasteners.

Further, as shown in fig. 2, the jig body 410 may be a partially concave/partially convex cylindrical shape, and the first and second mounting portions 420 and 430 may have corresponding partially cylindrical shapes. The clamp body 410 may be provided at the first groove 411 with a first recess table accommodating the first mounting part 420, and the second groove 412 is provided with a second recess table accommodating the second mounting part 430. The first and second mounting portions 420 and 430 are conveniently and positively mounted and accommodated by the first and second recessed portions, so that the jig 400 can be more compact and slim.

Preferably, the first concave stage and the second concave stage are respectively disposed on two sides of the central axis of the fixture body 410, so as to ensure the stress balance of the first mounting part 420 and the second mounting part 430 on two sides of the central axis of the fixture body 410.

Returning now to fig. 1, in a preferred embodiment, the shaft 200 may be supported at both ends by shaft supports 600. The second end of the frame 100 is configured as a ramp, and the shaft support 600 is slidably provided at the second end of the frame 100, the position of the shaft support on the ramp being slidably adjustable according to the required relative height of the shaft 200 with respect to the frame 100, such that the height of the shaft support 600 from the ground is adjustable.

By slidably disposing on the frame 100, the shaft supporting portion 600 can adjust the height of the shaft 200 relative to the frame 100 according to different specifications of target test products, so that the target test products, the fixture, and the horizontally oriented traction portion are positioned at the same horizontal height, thereby improving the accuracy of the test results.

Preferably, the shaft support 600 may further include a slider 610, a support arm 620, and a slide rail 630. Wherein the sliding rail 630 may be provided at the ramp of the second end of the frame 100 in the ramp inclination direction. Therefore, the sliding rail 630 is inclined, and when the sliding block 610 slides on the sliding rail 630, the height of the sliding block 610 from the bottom of the frame 100 also changes, so that the height of the shaft lever 200 relative to the frame 100 can be conveniently adjusted to adapt to the testing requirements of different specifications of target testing products.

The sliding block 610 is slidably disposed on the sliding rail 630, and the bottom of the supporting arm 620 is connected to the sliding block 610, two ends of the shaft 200 are supported on the top of the supporting arm 620, and the sliding of the sliding block 610 drives the supporting arm 620 and the shaft 200 to move synchronously.

Specifically, the arms 620 may be provided with two opposite arms on both sides of the frame 100, respectively, the two arms 620 being sufficient to support the shaft 200 and maintain stability of the shaft 200.

In a preferred embodiment, referring to fig. 1, the slide rail 630 may be provided with a plurality of positioning holes 631, and the plurality of positioning holes 631 are disposed at intervals along the sliding direction of the slider 610. The slide rail 630 is fixedly connected with the frame 100 through the positioning hole 631.

Preferably, the slide rail 630 and/or the slide block 610 may be provided with a self-locking assembly so that the slide block 610 may remain stationary at any position of the slide rail 630.

In a preferred embodiment, a self-locking assembly is disposed in the slider 610, so that the slider 610 can be self-locked at any position of the sliding rail 630 by the self-locking assembly, which can ensure the accuracy in testing the target test products with different specifications. In alternative embodiments, the self-locking assembly may also be disposed on the sled 630.

Preferably, the self-locking assembly can adopt a cylinder clamping device to lock and unlock the sliding block 610, can also adopt a clamp linear guide rail, can also adopt the structure disclosed in patent documents such as CN213441356U, CN208624943U, CN2019S7016U, CN2067295S3U and the like,

in a preferred embodiment, the top of the shaft support 600 may be provided with a shaft positioning groove for the shaft 200 to be rotatably disposed therein. Preferably, the positioning groove| can be a U-shaped groove or a V-shaped groove.

In a preferred embodiment, the second end of traction portion 300 is removably connected to the top of weight portion 500. By this arrangement, the weight parts 500 of different specifications can be replaced conveniently. Thereby can provide the pulling force of equidimension not, and then satisfy different test requirements. Preferably, the traction portion 300 is screw-coupled with the weight portion 500. The threaded connection can conveniently replace the weight parts 500 with different weights, and meanwhile, the reliability of connection is guaranteed.

In a preferred embodiment, the first end of the frame 100 may be provided with a securing portion 700, the securing portion 700 being provided with a slot 710 provided with the first end for placing the target test product. The fixing part 700 may snap-fit the target test product through the notch 710, and fix the target test product in a direction along the traction part 300 so as not to be moved toward the second end of the frame 100.

Preferably, the notch aperture of the notch 710 increases gradually from the frame 100 toward the upper side. The fixing of target test products with different specifications can be met, and the stability of the test process and the reliability of the result are improved. And the caliber of the slot 710 is greater away from the top of the frame 100 to facilitate placement of the target test product into the slot 710.

In a preferred embodiment, the intermediate section of the shaft 200 may also be provided with a guide wheel 800 rotatable about the shaft 200. The outer circumference of the guide pulley 800 may be provided with a traction portion limiting groove for the traction portion 300 to contact. The guide wheel 800 is used to pull the traction unit 300, so that smooth transmission of force can be ensured.

In addition, the traction part 300 is placed in the limit groove, so that the traction part 300 can be prevented from traversing along the length direction of the shaft lever 200, thereby improving the reliability of the test.

According to the static load testing device, the mounting positions of the target testing product and the shaft lever are provided by arranging the bracket (the frame), the traction part and the target testing product are connected by the clamp, the connection and the fixation of the traction part and the target testing product in the horizontal direction are realized, the clamp can generate enough pressing force, the target testing product and the traction part cannot loosen or fall off, the connection stability is ensured, and the balance weight part is arranged at the other end of the traction part, so that the tension required by the test is provided by the balance weight part. In addition, set up the axostylus axostyle between counter weight portion and anchor clamps, further guarantee that target test product, anchor clamps, be the traction position that the level is directional and be same level to guarantee static load testing arrangement's accuracy, under the combined action of axostylus axostyle and target test product, counter weight portion is unsettled and stable in the air, realizes static balance of static load testing arrangement, and maintains certain time, thereby accomplishes the test. The static load testing device is simple in overall structure and convenient to operate.

In the foregoing, in order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the present utility model are clearly and completely described with reference to the specific embodiments of the present utility model and the accompanying drawings.

While various embodiments have been described above, it should be understood that the embodiments described are some, but not all, of the embodiments of the present utility model, which are presented by way of example and not limitation. It will be apparent to those skilled in the relevant art that the disclosed subject matter may be embodied in other specific forms without departing from the spirit or essential characteristics thereof.

The above-described embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, and not as subject of any limitation of the utility model.

All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without undue burden are within the scope of the utility model. The present disclosure also includes various modifications and modifications within the equivalent scope. In addition, various combinations and modes, including only one element, more than one or less than one other combinations and modes, are also within the scope and spirit of the present disclosure.

Claims (10)

1. A static load testing device, characterized in that the static load testing device comprises:

a frame (100) to which a first end of a target test product requiring static load testing is secured;

-a shaft (200), said shaft (200) being provided at a second end of said frame (100) remote from said target test product;

-a clamp (400), a first end of the clamp (400) being connected to a second end of the target test product;

-a traction portion (300), the first end of the clamp (400) being connected to the first end of the traction portion (300), and the intermediate section of the traction portion (300) contacting at the intermediate section of the shaft (200); and

a weight (500), a second end of the traction portion (300) being connected to a top of the weight (500) and being force-transitionally connected to a second end of the target test product via the traction portion (300),

wherein the shaft (200) is supported at a height-adjustable shaft support (600) at the second end of the frame (100) such that the target test product, the jig (400), the traction portion (300) are located at the same level.

2. The static load testing device according to claim 1, wherein,

the jig (400) further includes:

the fixture comprises a fixture body (410), wherein the fixture body (410) is provided with a first groove (411) at a first end of the fixture (400), and a second groove (412) at a second end of the fixture (400);

a first mounting portion (420), the first mounting portion (420) being detachably connected with the jig body (410), the first mounting portion (420) being provided with a third groove (421) corresponding to the first groove (411), and the third groove (421) being mated with the first groove (411) to form a first cladding space, wherein the jig (400) is clad and fixes the target test product through the first cladding space in the first mounting portion (420); and

-a second mounting part (430), the second mounting part (430) being provided with a fourth groove (431) corresponding to the second groove (412), and the fourth groove (431) cooperating with the second groove (412) to form a second cladding space, wherein the clamp (400) is clad and secures the traction part (300) by the second cladding space in the second mounting part (430).

3. The static load testing device according to claim 2, wherein,

the first groove (411) is provided with a first concave table for accommodating the first installation part (420), the second groove (412) is provided with a second concave table for accommodating the second installation part (430), and the first concave table and the second concave table are respectively arranged on two sides of the central axis of the clamp body (410).

4. The static load testing device according to claim 1, wherein,

both ends of the shaft (200) are supported by the shaft supporting portion (600),

at a second end of the frame (100) is configured as a ramp, and

the shaft support (600) is slidably disposed at the second end of the frame (100) and is slidably adjustable in position on the ramp according to the desired relative height of the shaft (200) with respect to the frame (100).

5. The static load testing device according to claim 4, wherein,

the shaft support (600) further comprises:

a slide rail (630), the slide rail (630) being provided at a ramp of the second end of the frame (100);

a sliding block (610), wherein the sliding block (610) is arranged on the sliding rail (630) in a sliding fit manner; and

-a support arm (620), said support arm (620) being connected at the bottom to said slider (610), the two ends of said shaft (200) being supported at the top of said support arm (620).

6. The static load testing device according to claim 5, wherein,

the slide rail (630) and/or the slide block (610) are provided with a self-locking assembly, so that the slide block (610) is kept at any position of the slide rail (630) and does not move.

7. The static load testing device according to claim 1, wherein,

the top of the shaft lever supporting part (600) is provided with a shaft lever positioning groove, and the shaft lever (200) is rotationally arranged in the shaft lever positioning groove.

8. The static load testing device according to claim 1, wherein,

the middle section of the shaft lever (200) is provided with a guide wheel (800) capable of rotating around the shaft lever (200), and the outer periphery of the guide wheel (800) is provided with a traction part limiting groove for the traction part (300) to contact.

9. The static load testing device according to claim 1, wherein,

the first end of the frame (100) is provided with a fixing part (700), the fixing part (700) is provided with a notch (710) for placing the first end of the target test product, and

the notch (710) has a notch diameter gradually increasing from the frame (100) toward the upper side, and the fixing portion (700) is used for fixing the target test product in a clamping manner through the notch (710).

10. The static load testing device according to claim 1, wherein,

a second end of the traction portion (300) is detachably connected with the top of the weight portion (500).