CN217211329U - Vibration test tool - Google Patents

Abstract

The utility model is suitable for a technological equipment field provides a vibration test frock for fix the equipment that awaits measuring on the test machine, including can dismantling support plate and the connection structure of connection, the support plate is used for connecting the test machine, and connection structure is used for connecting the equipment that awaits measuring, and first pilot hole has been seted up to the support plate, and vibration test frock still includes and pastes the piece including pressing, presses the piece and locates one side that connection structure deviates from the support plate, presses the piece and has seted up the second pilot hole, it is used for passing through first fastener to press the piece second pilot hole with first pilot hole with the test machine is connected. The vibration testing tool can reduce the vibration amplitude of each structural part under the vibration environment, so that the vibration amplitude of the whole vibration testing tool under the vibration environment is reduced, and the accuracy of the vibration testing result of the equipment to be tested is improved.

Description

Vibration test tool

Technical Field

The utility model belongs to the process equipment field especially relates to a vibration test frock.

Background

Vibration testing is an important component of product reliability testing. Because the variety of vibration testing machines is various, and the equipment to be tested also has different size models, therefore adopt dedicated frock to treat that equipment is fixed in order to improve the suitability of frock more. The equipment to be tested is fixed on the testing machine through the tool, and when the vibration test is carried out, the tool can be influenced by vibration, so that the test result of the equipment to be tested is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art not enough, provide a vibration test frock, it aims at improving vibration test's accuracy.

The following technical scheme is adopted in the application:

the utility model provides a vibration test fixture for fix the equipment to be tested on the test machine, including support plate and the connection structure of dismantling the connection, the support plate is used for connecting the test machine, connection structure is used for connecting the equipment to be tested, first pilot hole has been seted up to the support plate, vibration test fixture still includes presses and pastes the piece, press paste the piece and locate connection structure deviates from one side of support plate, press paste the piece and seted up the second pilot hole, press paste the piece be used for through first fastener pass the second pilot hole with first pilot hole with the test machine is connected.

Optionally, the connection structure has an installation position for fixing the device to be tested, the pressing piece includes a first pressing block and a second pressing block, and the first pressing block and the second pressing block are respectively arranged on two sides of the installation position.

Optionally, the connection structure comprises a pad and a connecting piece which are detachably connected, the mounting position is arranged on the pad, and the connecting piece is detachably connected with the carrier plate.

Optionally, the connecting piece includes first connecting block and second connecting block, first connecting block with second connecting block interval sets up, first connecting block with the second connecting block is all first the connection can be dismantled to the piece of pasting of pressing, and/or first connecting block with the second connecting block is all the connection can be dismantled to the piece of pasting is pressed to the second.

Optionally, the surface of the connecting piece facing the pressing piece is provided with a positioning groove matched with the pressing piece, and the pressing piece is provided with a matching part matched with the connecting piece at the position of the positioning groove.

Optionally, the cushion piece comprises a first cushion block and a second cushion block, the first cushion block and the first connecting block can be detachably connected, the second cushion block and the second connecting block can be detachably connected, and the first cushion block and the second cushion block are connected with the device to be tested through second fasteners.

Optionally, a yielding notch is formed in the first connecting block and/or the second connecting block, and the yielding notch is used for yielding the driving wheel of the equipment to be tested.

Optionally, the first connecting block and/or the second connecting block are provided with two avoiding holes, and the two avoiding holes are respectively located on two sides of the avoiding notch.

Optionally, the pad is provided with a lightening hole.

Optionally, the first assembly holes are provided with at least two columns, and the number of the first assembly holes in each column is at least two.

The application provides a vibration test frock beneficial effect lies in: compared with the prior art, the vibration test tool comprises a support plate and a connecting structure which can be connected in a detachable mode, the support plate is used for connecting a test machine, the connecting structure is used for connecting the equipment to be tested, a first assembling hole is formed in the support plate, the vibration test tool further comprises a pressing piece, the pressing piece is arranged on one side of the support plate, the connecting structure deviates from the support plate, a second assembling hole is formed in the pressing piece, the pressing piece is used for penetrating through the second assembling hole and the first assembling hole through the first fastener to be fixedly connected to the test machine through the first fastener in a connection mode with the test machine, and the connecting structure is pressed and fastened fixedly, so that the vibration amplitude of each structural piece under the vibration environment can be reduced, the vibration amplitude of the whole vibration test tool under the vibration environment is reduced, and the accuracy of the vibration test result of the equipment to be tested is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a vibration testing tool provided in an embodiment of the present application;

fig. 2 is a schematic view of a disassembled structure of a vibration testing tool provided in the embodiment of the present application;

fig. 3 is a first schematic view, which is a top view, illustrating a connection between the vibration testing tool shown in fig. 1 and a device to be tested;

fig. 4 is a second schematic diagram illustrating connection between the vibration testing tool shown in fig. 1 and a device to be tested, which is a bottom view, wherein the carrier board is not shown;

fig. 5 is a bottom view of the vibration testing tool provided in the embodiment of the present application, wherein the carrier board is not shown in the drawing.

Wherein, in the figures, the respective reference numerals:

10. a vibration testing tool; 11. a carrier plate; 101. a first assembly hole; 12. a connecting structure; 121. a cushion member; 121A, a first cushion block; 121B, a second cushion block; 122. a connecting member; 122A, a first connection block; 122B, a second connecting block; 103. positioning a groove; 131. pressing the part; 131A and a first pressing block; 131B and a second pressing block; 102. a second assembly hole; 104. a abdication gap; 105. avoidance holes 106 and lightening holes;

20. a device to be tested; 21. a driving wheel; 22. a driven wheel.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 5, an exemplary vibration testing tool 10 provided in the present application will be described. The vibration testing tool 10 is used for fixing the device to be tested 20 on a testing machine, and in fig. 3 and 4, the device to be tested 20 is a cleaning robot. It is understood that the device under test 20 may be other devices requiring vibration testing.

The vibration test tool 10 includes a carrier plate 11 and a connection structure 12. The carrier plate 11 is used for connecting a testing machine, the connecting structure 12 is used for fixing the device to be tested 20, and the connecting structure 12 is connected with the carrier plate 11, so that the device to be tested 20 is fixed with the testing machine.

The connection between the carrier plate 11 and the testing machine is detachable, the connection between the connection structure 12 and the device under test 20 is detachable, and the connection between the connection structure 12 and the carrier plate 11 is detachable. Optionally, the carrier plate 11, the connecting structure 12, the device under test 20 and the testing machine are all connected by screwing.

The carrier plate 11 and the connecting structure 12 are detachably designed, so that an operator can replace different carrier plates 11 or connecting structures 12 according to different devices 20 to be tested and testing machines, thereby improving the applicability of the vibration testing tool 10.

In this embodiment, the vibration testing tool 10 further includes a pressing member 131. Specifically, the carrier plate 11 has a first assembling hole 101, the pressing piece 131 has a second assembling hole 102, and the pressing piece 131 is configured to pass through the second assembling hole 102 and the first assembling hole 101 through the first fastener to connect with the testing machine, in other words, the first fastener can pass through the second assembling hole 102 and the first assembling hole 101 to connect with the testing machine.

It should be noted that the two structures of the carrier plate 11 and the testing machine may be connected separately, or the pressing member 131, the connecting structure 12, the carrier plate 11 and the testing machine may be connected by fastening and fixing the first fastening member, or both of these two methods may be used for connection.

It is understood that the connecting structure 12 is designed to be offset at the first fastening member, and may be hollowed out, perforated, or otherwise formed, without limitation.

It should be noted that the number of the first mounting holes 101 and the second mounting holes 102 may be one-to-one or many-to-one. In the case of many-to-one, the number of the first assembly holes 101 is multiple of that of the second assembly holes 102, and the pressing member 131 can be adjusted to its position relative to the carrier plate 11 for assembly as required.

Typically, the device under test 20 is located above the tester platform. The first fastener may be a screw or a bolt. In actual assembly, after the carrier board 11, the connecting structure 12, the testing machine and the device under test 20 are assembled, the pressing piece 131 is placed above the connecting structure 12, and the first fastening piece penetrates through the pressing piece 131, the connecting structure 12 and the carrier board 11 to be connected with the testing machine, so that the pressing piece 131, the connecting structure 12, the carrier board 11 and the testing machine are clamped and fixed. Under this setting, the vibration of connection structure 12 and support plate 11 can receive the suppression of adjacent structure and first fastener to can reduce the vibration range of each structure under the vibration environment, and then reduce the vibration range of vibration test frock 10 whole under the vibration environment, improve the accuracy of the result of the vibration test of equipment 20 that awaits measuring.

It should be noted that in the present embodiment, the second assembling hole 102 can be matched with the first assembling hole 101 so as to allow the first fastening member to pass through and be connected to the testing machine, that is, the first fastening member can pass through the second assembling hole 102 and the first assembling hole 101 in sequence to be connected to the testing machine, so as to fixedly connect the pressing piece 131, the connecting structure 12, the carrier plate 11 and the testing machine. In actual assembly, the operator may also choose to connect the fastener with the carrier plate 11 through the second assembly hole 102, that is, the pressing member 131 is connected with the connecting structure 12 and the carrier plate 11 only and is not directly connected with the testing machine. In other words, the second and first mounting holes 102 and 101 are provided only for the ability to be connected to the testing machine by the first fastening member, and are not required to have only such a mounting manner or to limit such a connection manner in actual use.

Therefore, the vibration testing tool 10 provided in this embodiment can effectively reduce the vibration amplitude of the connection structure 12 and the carrier plate 11 in the vibration environment, so as to improve the accuracy of the result of the vibration test of the device under test 20.

In another embodiment of the present application, the pressing member 131 is a single structure, and the pressing member 131 is a closed ring or a ring with an opening.

In this embodiment, the pressing member 131 includes at least two pressing blocks, and each pressing block has a second assembling hole 102. The pressing blocks press the connecting structure 12 to the carrier plate 11 together under the cooperation of the first fasteners.

In this embodiment, referring to fig. 1, the connection structure 12 has an installation position for fixing the device under test 20, and the pressing member 131 includes a first pressing block 131A and a second pressing block 131B, where the first pressing block 131A and the second pressing block 131B are respectively disposed on two sides of the installation position.

Optionally, the distance from the connecting position of the first and second pressing blocks 131A and 131B and the connecting structure 12 to the installation position is equal, so that the two moments received by the connecting structure 12 from the shock absorbing structure are equal in magnitude and opposite in direction. The arrangement can further reduce the vibration amplitude of the connecting structure 12 and the carrier plate 11 in a vibration environment, and improve the accuracy of the result of the vibration test of the device under test 20.

In other embodiments, the pressing member 131 further includes a third pressing block, a fourth pressing block, and the like, which are not limited herein.

In this embodiment, the bonding blocks (the first bonding block 131A/the second bonding block 131B) are strip-shaped, and the cross-sectional shape along the length direction is rectangular. In other embodiments, the cross-sectional shape of the pressing block may also be trapezoidal, semicircular, etc., and is not limited herein. The surface of the pressure patch facing the connecting structure 12 is engaged with the connecting structure 12 to ensure that the pressure patch is in surface-to-surface contact with the connecting structure 12, thereby increasing the static friction force between the pressure patch and the connecting structure 12.

In another embodiment of the present application, referring to fig. 1 and fig. 2, the connecting structure 12 includes a pad 121 and a connecting member 122 detachably connected to each other, the mounting position is disposed on the pad 121, and the connecting member 122 is detachably connected to the carrier 11.

The pad 121 and the connecting member 122 are detachably connected, so that different materials can be selected for the pad 121 and the connecting member 122 according to actual needs, and the production cost is reduced. In addition, when facing different devices under test 20, the adaptation of the tool can be realized by replacing the corresponding pad 121.

In this embodiment, the cushion member 121 and the connecting member 122 are connected by screwing.

The connecting member 122 may be a single structural member or may be formed of multiple parts. In this embodiment, the connection member includes at least two connection blocks, and for convenience of description, the connection blocks are respectively named as a first connection block, a second connection block, a third connection block, and the like.

Referring to fig. 1, the connecting member 122 includes a first connecting block 122A and a second connecting block 122B, the first connecting block 122A and the second connecting block 122B are disposed at an interval, the first connecting block 122A and the second connecting block 122B are detachably connected by a first pressing block 131A, and/or the first connecting block 122A and the second connecting block 122B are detachably connected by a second pressing block 131B.

When the first fastener passes through the second assembling hole 102 and the first assembling hole 101 of the first pressing block 131A to be connected with the testing machine, the first pressing block 131A presses the first connecting block 122A and the second connecting block 122B to the carrier plate 11 at the same time. When the first fastener passes through the second assembling hole 102 and the first assembling hole 101 of the second pressing block 131B to be connected with the testing machine, the second pressing block 131B presses the first connecting block 122A and the second connecting block 122B to the carrier plate 11 at the same time.

In the structure shown in fig. 2, each of the first connection block 122A and the second connection block 122B has a bar shape extending in the first direction. The first connection block 122A and the second connection block 122B are disposed at intervals in the second direction. The first direction is perpendicular to the second direction. When the carrier plate 11 is horizontally placed, the extending direction of the connecting member 122 is front-back extension, and the first connecting block 122A and the second connecting block 122B are arranged at left-right intervals.

In the structure shown in fig. 1, the pad member 121 is located at an intermediate position between the first connection block 122A and the second connection block 122B. The first and second press- fit blocks 131A and 131B are provided at both end sides in the extending direction of the first and second connection blocks 122A and 122B at intervals in the front-rear direction.

In the structure shown in fig. 1, the pressing blocks (the first pressing block 131A/the second pressing block 131B) are strip-shaped, and the extending direction thereof is perpendicular to the extending direction of the connecting block. In other embodiments, the pressing block may be inclined to the connecting block, which is not limited herein.

The two connection blocks (the first connection block 122A and the second connection block 122B) are spaced apart, which can reduce the amount of material used compared to the design of a single connection member 122, and in addition, the arrangement changes the contact surface between the connection structure 12 and the carrier plate 11 from a large plane to two small planes, which is beneficial for shock absorption.

Any one of the pressing blocks abuts against the two connecting blocks, and the two pressing blocks and the connecting piece block are prismatic in horizontal projection. The staggered stacking mode can improve the shock resistance of the structure.

In another embodiment of the present application, referring to fig. 1, each of the pressing blocks has four second assembling holes 102, the first connecting block 122A is located between two of the second assembling holes 102, and the second connecting block 122B is located between the other two second assembling holes 102. This setting can improve the steadiness of paster 131 and connecting piece 122, reduces the vibration range of connecting piece 122 under the vibration environment to improve the accuracy of the vibration test's of the equipment under test 20 result.

In another embodiment of the present application, the pad 121 is a single structural member. In this embodiment, the pad 121 includes at least two pads, and the devices under test 20 are fixed by the pads (through the second fasteners). For convenience of description, the head blocks are named a first head block 121A, a second head block 121B, a third head block, etc.

Referring to fig. 1, the pad member 121 includes a first pad block 121A and a second pad block 121B, the first pad block 121A is detachably connected to the first connection block 122A, the second pad block 121B is detachably connected to the second connection block 122B, and both the first pad block 121A and the second pad block 121B are connected to the device under test 20 through a second fastener. Compared with the design that the device to be tested 20 is independently supported by a single pad 121, the design that the multiple pads support and fix the device to be tested 20 together can reduce the material consumption. In addition, this arrangement changes the contact surface between the device under test 20 and the pad 121 from one large plane to two small planes to facilitate shock absorption.

In this embodiment, the pad 121 is provided with a lightening hole 107. In the structure shown in fig. 5, the first cushion block 121A and the second cushion block 121B are both provided with a plurality of lightening holes 107, so that the weight of the tool is reduced. The position and number of the lightening holes 107 can be adjusted by those skilled in the art according to actual needs, and are not limited herein.

In another embodiment of the present application, referring to fig. 2, the connecting member 122 has a positioning groove 103 formed on a surface facing the pressing member 131 and engaged with the pressing member 131, and the pressing member 131 has an engaging portion at a position of the positioning groove 103 and engaged with the connecting member 122. The positioning groove 103 and the matching part are arranged, so that the connecting piece 122 and the pressing piece 131 mutually limit the movement of the connecting piece in the horizontal plane, and the anti-seismic effect of the structure is improved. In the structure shown in the figure, the matching part can be in a groove structure or a protrusion structure, as long as the matching part can be matched with the positioning groove 103 to realize limiting.

In another embodiment of the present application, the pressing member 131 is detachably connected to the connecting member 122. Specifically, the pressing piece 131 is screwed with the connecting piece 122 through screws, and the fastening effect of the pressing piece 131 on the connecting piece 122 can be further improved through the arrangement, so that the shock absorption is facilitated.

Referring to fig. 3 to 5, the device under test 20 is a cleaning robot. The cleaning robot has a driving pulley 21 and a driven pulley 22. The driving wheels 21 are two and are oppositely arranged. In the illustrated embodiment, the driven wheels 22 are four in number and are provided in pairs on both sides of the driving wheel 21.

The connecting structure 12 is arranged between the two driving wheels 21. In this embodiment, the connection member 122 includes a first connection block 122A and a second connection block 122B. The first connecting block 122A and the second connecting block 122B are in the shape of a bar and extend in the same direction as the driving wheel 21.

The first connecting block 122A is located between the driving pulley 21 and the driven pulley 22 on the same side, and the second connecting block 122B is located between the driving pulley 21 and the driven pulley 22 on the other side. The first connecting block 122A and the second connecting block 122B are provided with a yielding notch 105 which is free from the driving wheel 21. The first connecting block 122A and the second connecting block 122B are provided with avoiding holes 106 at the driven wheel 22, the first connecting block 122A and the second connecting block 122B are respectively provided with two avoiding holes 106, and the two avoiding holes 106 are respectively located at two sides of the avoiding notch 105.

In another embodiment of the present application, referring to fig. 1, the first mounting holes 101 are provided in at least two rows, and the number of the first mounting holes 101 in each row is at least two. The first assembling holes 101 have at least two rows, and one row of the first assembling holes 101 can be arranged corresponding to one pressure sticking block. At least two first mounting holes 101 are arranged in a row to be connected with a second mounting hole 102 of a pressing block. In the case that the number of the rows of the first assembling holes 101 is greater than two, two rows of the pressing blocks can be selected as required for assembling. Under the condition that the number of the first assembling holes 101 in one row is larger than two, two of the pressing and sticking blocks can be selected to be assembled according to needs, so that the assembling requirements of different devices to be tested 20 and a testing machine are met, and the applicability of the vibration testing tool is improved.

With the foregoing, the assembling steps of the vibration testing tool 10 provided in this embodiment are described as follows:

s1: connecting the first cushion block 121A and the second cushion block 121B with the device to be tested 20 (generally, the cushion blocks are screwed to the lower surface of the device to be tested 20 by screws), screwing and fixing the first cushion block 121A and the first connecting block 122A, and screwing and fixing the second cushion block 121B and the second connecting block 122B; then, the first connecting block 122A and the second connecting block 122B are placed on the carrier plate 11, and may be fixed or unfixed by screws, with the positioning groove 103 of the connecting blocks facing upwards.

S2: the first pressing block 131A and the second pressing block 131B are placed on the first connecting block 122A and the second connecting block 122B, the matching portion is opposite to the positioning groove 103, and then the first fastener passes through the second assembling hole 102 and the first assembling hole 101 to be connected with the testing machine.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The vibration testing tool is characterized by comprising a support plate and a connecting structure, wherein the support plate and the connecting structure are detachably connected, the support plate is used for connecting the testing machine, the connecting structure is used for connecting the equipment to be tested, a first assembling hole is formed in the support plate, the vibration testing tool further comprises a pressing piece, the pressing piece is arranged on one side, deviating from the support plate, of the connecting structure, the pressing piece is provided with a second assembling hole, and the pressing piece is used for penetrating through the second assembling hole and the first assembling hole through a first fastener so as to be connected with the testing machine.

2. The vibration testing tool according to claim 1, wherein the connecting structure has an installation position for fixing the device to be tested, the pressing piece comprises a first pressing block and a second pressing block, and the first pressing block and the second pressing block are respectively arranged on two sides of the installation position.

3. The vibration testing tool of claim 2, wherein the connecting structure comprises a pad and a connecting piece, the pad and the connecting piece are detachably connected, the mounting position is arranged on the pad, and the connecting piece is detachably connected with the carrier plate.

4. The vibration testing tool of claim 3, wherein the connecting piece comprises a first connecting block and a second connecting block, the first connecting block and the second connecting block are arranged at intervals, the first connecting block and the second connecting block are detachably connected with the first pressing and attaching block, and/or the first connecting block and the second connecting block are detachably connected with the second pressing and attaching block.

5. The vibration testing tool according to claim 4, wherein a positioning groove matched with the pressing piece is formed in the surface, facing the pressing piece, of the connecting piece, and a matching portion matched with the connecting piece is arranged at the position, facing the positioning groove, of the pressing piece.

6. The vibration testing tool of claim 4, wherein the pad comprises a first pad and a second pad, the first pad is detachably connected with the first connecting block, the second pad is detachably connected with the second connecting block, and the first pad and the second pad are both connected with the device to be tested through a second fastener.

7. The vibration testing tool of claim 4, wherein the first connecting block and/or the second connecting block are provided with abdicating notches, and the abdicating notches are used for abdicating a driving wheel of the device to be tested.

8. The vibration testing tool according to claim 7, wherein the first connecting block and/or the second connecting block are provided with two avoidance holes, and the two avoidance holes are respectively located on two sides of the avoidance notch.

9. The vibration testing tool of claim 3, wherein the pad is provided with lightening holes.

10. The vibration testing tool according to any one of claims 1 to 9, wherein the first assembly holes are provided in at least two rows, and the number of the first assembly holes in each row is at least two.

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