Self-balancing vertical snap valve testing device

Abstract

The utility model relates to the field of breakaway valve detection, and provides a self-balancing vertical breakaway valve testing device which comprises a support, a plurality of pulleys, a testing chamber and a testing assembly. The top side and the bottom side of the support are respectively provided with a pulley, and the test chamber is fixedly arranged on the outer side wall of the support; the testing assembly comprises a steel wire rope, a chain block and a tension tester, the two ends of the tension tester are fixedly arranged on the steel wire rope, the steel wire rope is connected to the chain block, and the steel wire rope is in sliding fit with the pulley and penetrates through the testing chamber to be fixedly connected with the two ends of the to-be-tested piece.

Description

TECHNICAL FIELD

[0001] The utility model relates to a pull-off valve detection field especially relates to a self -balancing vertical pull-off valve testing device. BACKGROUND

[0002] The pull-off valve testing platform currently used adopts the horizontal arrangement of no self -balancing type mostly, since pull-off valve needs to be placed horizontally in the horizontal pull-off valve testing platform, the weight of pull-off valve causes that the system of both ends of pull-off valve cannot be parallel with the center line of pull-off valve, the breaking force of breaking bolt obtained by testing has greater deviation with actual value, and horizontal testing platform needs to have strong fixed point, and the cost is relatively higher, occupies large area, and the measurement result error is big, and personnel injury is easily caused. UTILITY MODEL CONTENTS

[0003] The utility model aims at at least solving one of the technical problems existing in the related art, for this purpose, the utility model provides a self -balancing vertical pull-off valve testing device, realizes small floor area, high safety.

[0004] The utility model provides a self -balancing vertical pull-off valve testing device, it includes: support, a plurality of pulleys, test chamber and test subassembly,

[0005] The top side of the support and the bottom side of the support are provided with pulleys respectively, and the test chamber is fixedly arranged on the outer side wall of the support.

[0006] The test subassembly includes a steel wire rope, a chain hoist and a tension tester, both ends of the tension tester are fixedly arranged on the steel wire rope, the steel wire rope is connected to the chain hoist, and the steel wire rope is in sliding connection with the pulleys and is fixedly connected to both ends of the test piece through the test chamber.

[0007] According to the self -balancing vertical pull-off valve testing device provided by the utility model, the tension tester includes one of a tension sensor and a tension meter.

[0008] According to the self -balancing vertical pull-off valve testing device provided by the utility model, the test subassembly further includes a display, and the display is electrically connected to the tension tester.

[0009] According to the self -balancing vertical pull-off valve testing device provided by the utility model, a base is further included, and the base is fixedly connected to the bottom side of the support.

[0010] According to the self -balancing vertical pull-off valve testing device provided by the utility model, the test chamber further includes an outer shell and a hatch, the outer shell is fixedly connected to the support, and the hatch is hingedly connected to the outer shell.

[0011] The one or more technical solutions in the embodiment of the utility model have at least one of the following technical effects:

[0012] According to the self-balancing vertical pull-off valve test device, the bracket, the pulley and the test assembly are matched, the problem that the pull-off valve test bench has a large floor area is solved, the test piece is arranged in the test chamber, and the self-balancing vertical pull-off valve test device has a small floor area and high safety.

[0013] The additional aspects and advantages of the utility model will be partly given in the following description, partly will become obvious from the following description, or will be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, obviously, the drawings in the following description are some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained without creative labor under the premise of the drawings.

[0015] Figure 1 It is the structure schematic view of the self-balancing vertical pull-off valve test device provided by the utility model.

[0016] Reference signs:

[0017] 1, bracket;2, pulley;3, test chamber;4, test assembly;41, steel wire rope;42, hand-operated hoist;43, tension tester;5, base. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and advantages of the utility model more clear, the technical scheme in the utility model will be clearly and completely described below, obviously, the described embodiment is a part of the embodiment of the utility model, rather than all the embodiments.Based on the embodiment in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model. The following embodiments are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

[0019] In the description of the embodiments of the utility model, it needs to be explained that, the orientation or position relation indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or position relation shown based on the drawings, and is only for the convenience of describing the embodiments of the utility model and simplifying the description, and therefore cannot be understood as a limitation on the embodiments of the utility model, which indicates or implies that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the embodiments of the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0020] In the description of the embodiments of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "connected", "connected" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the embodiments of the utility model can be understood according to the specific circumstances.

[0021] In the embodiments of the utility model, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" of the second feature can be that the first feature is directly above or obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" of the second feature can be that the first feature is directly below or obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0022] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In the present application, the illustrative description of the above terms is not necessarily for the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or features of different embodiments or examples described in the present application without contradiction.

[0023] Figure 1 It is the structural schematic diagram of the self-balancing vertical pull-off valve test device provided by the utility model.

[0024] The utility model provides a kind of self-balancing vertical pull-off valve test device, comprising: support 1, multiple pulleys 2, test chamber 3 and test assembly 4;

[0025] The top side of the support 1 and the bottom side of the support 1 are provided with pulleys 2 respectively, and the test chamber 3 is fixedly arranged on the outer side wall of the support 1.

[0026] The test assembly 4 includes a steel wire rope 41, a hand-operated hoist 42, and a tension tester 43. The two ends of the tension tester 43 are fixedly arranged on the steel wire rope 41. The steel wire rope 41 is connected to the hand-operated hoist 42. The steel wire rope 41 is in sliding cooperation with the pulleys 2 and is fixedly connected to the two ends of the test piece by passing through the test chamber 3.

[0027] In this embodiment, by setting the support 1, the pulleys 2, and the test assembly 4 in cooperation, the problem of large floor area of the pull-off valve test bench is solved. The test piece is arranged inside the test chamber 3, achieving a small floor area and high safety.

[0028] According to some preferred embodiments of the utility model, the top side of the support 1 is triangularly provided with three pulleys 2, and the bottom side of the support 1 is inversely triangularly provided with three pulleys 2. The steel wire rope 41 is wound on the six pulleys 2 in sequence, so as to realize self-balancing.

[0029] According to some embodiments of the utility model, the test piece (pull-off valve) is placed inside the test chamber 3. The tension tester 43, the hand-operated hoist 42, and the pull-off valve are connected by the steel wire rope 41. The distance between the hand-operated hoist 42 and the pull-off valve is adjusted. The steel wire rope 41 is straightened until the tension tester 43 displays zero or negative tension. The hand-operated hoist 42 is pulled until the break screw of the pull-off valve is broken. The tension when the pull-off valve is broken is recorded.

[0030] According to some embodiments of the utility model, by setting the test chamber 3, the pull-off valve is arranged inside the test chamber 3, which avoids accidents caused by the break screw of the pull-off valve being broken.

[0031] According to some embodiments of the utility model, by setting the pulleys 2 on the top side and the bottom side of the support 1 in cooperation with the steel wire rope 41 to fix the pull-off valve, self-balancing of the pull-off valve is realized. No fixing point is needed, which saves cost. On the other hand, it avoids errors caused by the pull-off valve rubbing against the ground due to the tension tester 43 sagging, improving the accuracy of the device.

[0032] According to some embodiments of the utility model, the self-balancing vertical pull-off valve test device has a small floor area and saves cost.

[0033] The tension tester 43 comprises one of a tension sensor and a tension meter.

[0034] The test assembly 4 further comprises a display, which is electrically connected with the tension tester 43.

[0035] In the embodiment, the display is electrically connected with the tension tester 43, so that the tension value can be remotely read, and the safety of the device is improved.

[0036] According to some embodiments of the utility model, the tension tester 43 is connected to the display through a wire or remotely.

[0037] The self-balancing vertical pull-off valve test device further comprises a base 5, which is fixedly connected with the bottom side of the support 1.

[0038] In the embodiment, the base 5 is arranged to increase the stability of the support 1.

[0039] The self-balancing vertical pull-off valve test device further comprises a shell and a hatch, the shell is fixedly connected with the support 1, and the hatch is hingedly connected with the shell.

[0040] In the embodiment, the shell and the hatch are arranged to facilitate the placement of the pull-off valve and improve the application range of the device.

[0041] According to some embodiments of the utility model, after the hatch is opened and the pull-off valve is placed inside the shell, the hatch is closed, so that the pull-off valve can be installed while accidents can be avoided.

[0042] The technical scheme of the utility model will be further explained in combination with a specific embodiment.

[0043] Embodiment one

[0044] First, the steel wire rope is wound around the six pulleys from the pulley at the bottom side of the support, then the hatch is opened and the pull-off valve is placed inside the shell, the hand-operated hoist and the tension sensor are connected through the steel wire rope, the two ends of the pull-off valve are connected with the steel wire rope, the distance between the hand-operated hoist and the pull-off valve is adjusted, the steel wire rope is straightened until the tension sensor displays zero or negative tension, the hatch is closed, the hand-operated hoist is pulled until the break screw of the pull-off valve is broken, the tension after the break is read through the display and recorded, and one test is completed.

[0045] Finally, it should be noted that the above examples are intended to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can still be modified, or some technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A self-balancing vertical proof test device for a shear valve, characterized by, Comprise: A support, a plurality of pulleys, a test chamber and a test assembly; The top side of the support and the bottom side of the support are respectively provided with pulleys, and the test chamber is fixedly arranged on the outer side wall of the support; The test assembly comprises a steel wire rope, a hand-operated hoist and a tension tester, both ends of the tension tester are fixedly arranged on the steel wire rope, the steel wire rope is connected to the hand-operated hoist, and the steel wire rope is in sliding fit with the pulleys and is fixedly connected to both ends of the test piece through the test chamber.

2. The self-balancing vertical shear valve test device of claim 1, wherein, The tension tester comprises one of a tension sensor and a tension meter.

3. The self-balancing vertical shear valve test device of claim 1, wherein, The test assembly further comprises a display, and the display is electrically connected to the tension tester.

4. The self-balancing vertical shear valve test device of claim 1, wherein, Further comprising a base, the base is fixedly connected with the bottom side of the support.

5. The self-balancing vertical shear valve test device of claim 1, wherein, The test chamber further comprises a shell and a hatch, the shell is fixedly connected with the support, and the hatch is hinged with the shell.

Images