Counterweight device for vibration test

Abstract

The utility model relates to the technical field of vibration measurement equipment, in particular to a counterweight device for a vibration measurement test. The counterweight device for the vibration test comprises a fixing clamp, an adjusting piece, a cushion block and a counterweight piece, the number of the cushion blocks is multiple. The fixing clamp is provided with a pipe hole, the cushion blocks are sequentially arranged in the circumferential direction of the pipe hole, the adjusting piece is connected between the fixing clamp and the cushion blocks, and the adjusting piece can drive the cushion blocks to be close to or away from the inner wall of the fixing clamp. And the counterweight piece is detachably connected with the fixing clamp. The counterweight device for the vibration test provided by the utility model can be adjusted according to the specific diameter of a to-be-tested pipe, namely can be matched with pipes with different pipe diameters, and is good in adaptability. The balance weight piece is detachably connected with the fixing clamp, on one hand, the balance weight piece is prevented from being connected with the pipe to be measured, the balance weight piece is convenient to install, on the other hand, the number of the balance weight pieces can be adjusted, the balance weight quality can be finely adjusted, and the optimal balance weight quality can be obtained.

Description

TECHNICAL FIELD

[0001] The utility model relates to vibration measuring equipment technical field especially is related to a counterweight device for vibration test. BACKGROUND

[0002] In order to guarantee the normal operation of device equipment, the pipe component needs to be tested, for example, copper pipe vibration test, in order to improve the copper pipe vibration problem, the inherent frequency of copper pipe needs to be changed by increasing counterweight and other schemes, so as to avoid the resonance frequency of copper pipe. The size of copper pipe counterweight quality needs to be obtained by test, different quality counterweight blocks are tested respectively, and the optimal counterweight block quality is obtained, however, the counterweight quality cannot be finely adjusted, the copper pipe is not fixed well, and the copper pipe of multiple pipe diameters cannot be adapted, and the adaptability is poor. SUMMARY

[0003] The utility model discloses a kind of counterweight devices for vibration test, to solve the technical problems of counterweight quality in prior art cannot be finely adjusted, copper pipe is not fixed well, and the copper pipe of multiple pipe diameters cannot be adapted, and the adaptability is poor to some extent.

[0004] The utility model provides a kind of counterweight devices for vibration test, it include: fixed clamp, adjusting piece, cushion block and counterweight piece;The number of the cushion block is multiple;Pipe hole is equipped on the fixed clamp, multiple the cushion block is sequentially arranged along the circumferential direction of the pipe hole, the adjusting piece is connected between the fixed clamp and the cushion block, the adjusting piece can drive the cushion block close to or away from the inner wall of the fixed clamp;The counterweight piece is detachably connected with the fixed clamp.

[0005] Further, the number of the adjusting piece is multiple, multiple the adjusting piece is connected with multiple the cushion block one by one, the cushion block can move along the radial direction of the pipe hole by the adjusting piece.

[0006] Further, the adjusting piece is spring, one end of the spring is connected with the fixed clamp, and the other end is connected with the cushion block.

[0007] Further, the fixed clamp further includes sliding slot, the sliding slot is communicated with the pipe hole, and the spring is arranged in the sliding slot.

[0008] Further, the fixed clamp includes symmetrically arranged clamping seat, and the two clamping seats are detachably connected.

[0009] Further, opposite sides of the clamping seat are provided with connecting lugs, and the corresponding lugs of the two clamping seats are connected by fasteners.

[0010] Further, the fixed clamp is provided with a magnetically attractable part, the counterweight piece is a magnetic mass piece, and the magnetic mass piece can be attracted to the magnetically attractable part.

[0011] Further, the outer wall of the fixing clamp has a mounting plane, which is a magnetic attraction part.

[0012] Further, the cushion blocks are arranged in an arc shape.

[0013] Further, the number of the cushion blocks is four, and the number of the adjusting members is four; the four cushion blocks can be connected end to end to form a whole circle.

[0014] Compared with the prior art, the beneficial effects of the utility model mainly lie in:

[0015] The to-be-tested pipe can be inserted into the pipe hole, the distance between the cushion blocks and the inner wall of the fixing clamp is adjusted through the adjusting member, so that the to-be-tested pipe can be clamped by the multiple cushion blocks, thereby being fixed. The counterweight member is detachably connected with the fixing clamp, so that the number of the counterweight members on the fixing clamp can be increased or decreased, fine adjustment of the counterweight quality is realized, and thus the optimal counterweight quality of the pipe is obtained. Therefore, the counterweight device for vibration test provided by the utility model can be adjusted according to the specific diameter of the to-be-tested pipe, that is, can match pipes with different diameters, and has good adaptability. The counterweight member is detachably connected with the fixing clamp, on the one hand, the counterweight member is prevented from being connected with the to-be-tested pipe, and on the other hand, the number of the counterweight members can be adjusted, fine adjustment of the counterweight quality is realized, and the optimal counterweight quality is obtained.

[0016] It should be understood that both the foregoing general description and the following detailed description are intended for purposes of illustration and description, and are not intended to limit the disclosure. The accompanying drawings are referred to, which illustrate the subject matter of the disclosure. Also, the specification and drawings are to explain the principles of the disclosure. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the specific embodiments of the utility model or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments 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.

[0018] Figure 1 It is a structural schematic view of the counterweight device for vibration test of the utility model embodiment.

[0019] Figure 2 It is a structural schematic view of the counterweight device for vibration test shown in the drawing. Figure 1

[0020] Icon:

[0021] ​1-clip seat; 11-tube hole; 12-mounting plane; 2-pad; 3-spring; 4-ear; 5-magnetic mass piece. DETAILED DESCRIPTION

[0022] The technical solutions of the present application will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, not all of the embodiments.

[0023] The components of the embodiments of the present application generally described and shown in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application.

[0024] Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the scope of protection of the present application.

[0025] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply 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 limiting the present application.

[0026] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or 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; it can be the communication between two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0027] In addition, the terms "horizontal", "vertical", "overhanging", and the like do not mean that the components must be absolutely horizontal or overhanging, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0028] For example, Figure 1 and Figure 2The utility model provides a counterweight device for vibration test, including: fixed clamp, adjusting part, cushion block 2 and counterweight piece, the quantity of cushion block 2 is multiple, be equipped with pipe hole 11 on fixed clamp, multiple cushion block 2 is sequentially arranged along the circumference of pipe hole 11, adjusting part is connected between fixed clamp and cushion block 2, and adjusting part can drive cushion block 2 to approach or away from the inner wall of fixed clamp, and counterweight piece is detachably connected with fixed clamp.

[0029] When using the counterweight device for vibration test provided by the embodiment, the pipe to be measured can be inserted into the pipe hole 11, and the distance between the cushion block 2 and the inner wall of the fixed clamp is adjusted by the adjusting part, so that the multiple cushion blocks 2 can clamp the pipe to be measured, thereby fixing the pipe to be measured. The counterweight piece is detachably connected with the fixed clamp, so that the number of counterweight pieces on the fixed clamp can be increased or decreased, thereby realizing fine adjustment of the counterweight mass and obtaining the optimal counterweight mass of the pipe.

[0030] Therefore, the counterweight device for vibration test provided by the embodiment can be adjusted according to the specific diameter of the pipe to be measured, that is, it can match pipes of different diameters, and has good adaptability. The counterweight piece is detachably connected with the fixed clamp, which on the one hand avoids the connection of the counterweight piece with the pipe to be measured, facilitating the installation of the counterweight piece, and on the other hand, the number of counterweight pieces can be adjusted, realizing fine adjustment of the counterweight mass, which is conducive to obtaining the optimal counterweight mass.

[0031] Among them, the way that the adjusting part can drive the cushion block 2 to approach or away from the inner wall of the fixed clamp can be various, for example: the adjusting part is arranged on the outer wall of the fixed clamp, the adjusting part is arranged along the circumference of the pipe hole 11, the adjusting part and the multiple cushion blocks 2 are connected through a connecting rod mechanism, when the adjusting part moves, the connecting rod mechanism is linked, thereby driving the cushion block 2 to rotate away from or approach the inner wall of the fixed clamp, the adjusting part can be one or multiple.

[0032] As an optional solution, the number of adjusting parts is multiple, and the multiple adjusting parts are connected one by one with the multiple cushion blocks 2, and the cushion block 2 can move along the radial direction of the pipe hole 11 through the adjusting part.

[0033] In the embodiment, each adjusting part drives the corresponding cushion block 2 to move linearly along the radial direction of the pipe hole 11, so that the movement process of the cushion block 2 is convenient, the mounting structure of the adjusting part and the fixed clamp is simple, and the connecting rod mechanism is avoided to be arranged, the adjusting part can be directly connected with the cushion block 2, thereby making the connecting structure between the adjusting part and the cushion block 2 simple.

[0034] The adjusting member can have various structures, for example, the adjusting member is a screw rod, the fixed clamp is provided with a threaded hole, one end of the screw rod is located outside the fixed clamp, and the other end is fixedly connected with the pad 2 through the threaded hole, and the pad 2 moves in the radial direction of the pipe hole 11 by rotating the screw rod; or the adjusting member includes a rotating handle and an extension rod, the rotating handle is rotatably arranged on the outer wall of the fixed clamp, the extension rod includes a screw rod segment and a square segment, the fixed clamp is provided with a square hole matched with the square segment, the screw rod segment is threadedly connected with the rotating handle, and the extension rod is extended or retracted in the radial direction of the pipe hole 11 by rotating the rotating handle, so that the pad 2 moves in the radial direction of the pipe hole 11.

[0035] As an optional solution, as shown in Figure 1 The adjusting member is a spring 3, one end of the spring 3 is connected with the fixed clamp, and the other end is connected with the pad 2.

[0036] In the embodiment, when the pipe diameter of the pipe to be measured is large, the pad 2 is close to the inner wall of the fixed clamp, the pad 2 compresses the spring 3, the spring 3 can not only adjust the distance between the pad 2 and the inner wall of the fixed clamp, but also can apply pressure to the pipe to be measured through the pad 2, so that the pipe to be measured is fixed more stably. The spring 3 can also be automatically reset. The adjusting member with such a structure is simple in structure, convenient to install and operate.

[0037] The spring 3 can be arranged in the pipe hole 11.

[0038] As an optional solution, the fixed clamp further includes a sliding groove, the sliding groove is communicated with the pipe hole 11, and the spring 3 is arranged in the sliding groove.

[0039] In the embodiment, the spring 3 is contained in the sliding groove, so as to avoid occupying the space of the pipe hole 11, and the pipe hole 11 can be completely used to contain the pipe to be measured, so as to expand the range of the pipe diameter of the pipe to be measured.

[0040] It can be understood that the diameter of the pipe hole 11 can be the maximum measurable pipe diameter.

[0041] On the basis of any of the above embodiments, further, the fixed clamp can be a whole, or the fixed clamp includes three, four or five segments or the like, and the segments are spliced into the whole fixed clamp.

[0042] As an optional solution, as shown in Figure 1 and Figure 2 The fixed clamp includes two symmetrical clamping seats 1, and the two clamping seats 1 are detachably connected.

[0043] In the embodiment, the two clamping bases 1 are symmetrically arranged, and it can be understood that the two clamping bases 1 are of the same structure, each clamping base 1 is provided with a half pipe hole 11, and the two clamping bases 1 are connected to splice a whole pipe hole 11. The pipe to be measured can be placed in the half pipe hole 11 first, and then the other clamping base 1 is connected with the clamping base 1. During the fixing of the two clamping bases 1, the spring 3 automatically drives the cushion block 2 to adjust the position according to the pipe diameter of the pipe to be measured, which facilitates the installation of the pipe to be measured and the operation.

[0044] The detachable connection of the two clamping bases 1 can be achieved in various ways, for example, the two clamping bases 1 are connected and fixed by a hoop, or the two clamping bases 1 are connected by a buckle.

[0045] As an optional solution, as shown in Figure 1 and Figure 2 , opposite sides of the clamping base 1 are provided with connecting lugs 4, and the corresponding lugs 4 of the two clamping bases 1 are connected by fasteners.

[0046] In the embodiment, the clamping base 1 includes a first side and a second side arranged opposite to each other, and the lugs 4 are arranged on the first side and the second side of the clamping base 1. Each lug 4 is provided with a connecting hole. The lug 4 on the first side of one clamping base 1 is aligned with the lug 4 on the first side of the other clamping base 1, a first fastener is used to pass through the two connecting holes on the first side, the lug 4 on the second side of one clamping base 1 is aligned with the lug 4 on the second side of the other clamping base 1, and a second fastener is used to pass through the two connecting holes on the second side, so as to realize the connection and fixation of the two clamping bases 1, which is convenient to operate.

[0047] On the basis of the above-mentioned embodiments, the counterweight is a conventional counterweight block, and the detachable connection of the counterweight and the fixing clamp can be achieved by threaded connection or clamping.

[0048] As an optional solution, as shown in Figure 1 , the fixing clamp is provided with a magnetic attraction part, and the counterweight is a magnetic mass piece 5, which can be attracted to the magnetic attraction part.

[0049] In the embodiment, the connection of the counterweight and the fixing clamp is achieved by magnetic attraction, which is more convenient to operate, and multiple magnetic mass pieces 5 can be stacked.

[0050] The magnetic attraction part of the fixing clamp can be made of a magnetic material (such as iron, cobalt, nickel, etc.), or the entire fixing clamp can be made of a magnetic material.

[0051] Specifically, as shown in Figure 1 and Figure 2 , the outer wall of the fixing clamp has a mounting plane 12, which is a magnetic attraction part. The mounting plane 12 can facilitate the magnetic attraction of the counterweight.

[0052] The fixed clamp is circular in shape, and a mounting plane 12 is arranged on the outer wall of the circular fixed clamp.

[0053] As an alternative, as shown in Figure 1 and Figure 2 The fixed clamp is in the shape of a quadrangle as a whole, and the outer wall of the fixed clamp is in the shape of a plane, and a chamfer is arranged between two adjacent sides to avoid sharp corners.

[0054] The cushion block 2 is preferably in the shape of an arc extending along the circumferential direction of the pipe hole 11, and can better fit the pipe to be measured.

[0055] The number of cushion blocks 2 can be two, three, five, etc.

[0056] Alternatively, as shown in Figure 1 The number of cushion blocks 2 is four, and the number of adjusting members is four; the four cushion blocks 2 can be connected end to end to form a complete circle (it can be understood that the circle is the smallest pipe diameter that can be measured at this time).

[0057] The four adjusting members are evenly distributed, and when the shape of the fixed clamp is generally a quadrangle, the four adjusting members can be arranged at the four corners.

[0058] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application. In the specification provided herein, a large number of specific details are described. However, it can be understood that the embodiments of the present application can be practiced without these specific details. In some examples, well-known methods, structures and techniques are not shown in detail in order not to obscure the understanding of the present specification. In addition, those skilled in the art can understand that although some embodiments described herein include certain features and not others, the combination of features of different embodiments means that it is within the scope of the present application and forms different embodiments.

Claims

1. A counterweight device for vibration testing, characterized in that, The utility model relates to a kind of weight devices for vibration test, including: Fixed clamp, adjusting piece, cushion block and counterweight piece;The number of the cushion block is multiple; Pipe hole is equipped on the fixed clamp, and multiple cushion blocks are sequentially arranged along the circumference of the pipe hole, the adjusting piece is connected between the fixed clamp and the cushion block, the adjusting piece can drive the cushion block close to or away from the inner wall of the fixed clamp;The counterweight piece is detachably connected with the fixed clamp.

2. The weight device for vibration test according to claim 1, wherein, The number of the adjusting piece is multiple, and multiple adjusting pieces are connected one by one with multiple cushion blocks, and the cushion block can move radially along the pipe hole through the adjusting piece.

3. The weight device for vibration test according to claim 2, wherein, The adjusting piece is a spring, one end of the spring is connected with the fixed clamp, and the other end is connected with the cushion block.

4. The weight device for vibration test according to claim 3, wherein, The fixed clamp further includes a sliding groove, the sliding groove is communicated with the pipe hole, and the spring is arranged in the sliding groove.

5. The weight device for vibration test according to claim 1, wherein, The fixed clamp includes symmetrically arranged clamp seats, and the two clamp seats are detachably connected.

6. The weight device for vibration test according to claim 5, wherein, Opposite sides of the clamp seat are provided with connecting lugs, and corresponding lugs of the two clamp seats are connected by fasteners.

7. The weight device for vibration test according to any one of claims 1-6, wherein, The fixed clamp is provided with a magnetically attractable part, the counterweight piece is a magnetic mass piece, and the magnetic mass piece can be attracted to the magnetically attractable part.

8. The weight device for vibration test according to claim 7, wherein, The outer wall of the fixed clamp has a mounting plane, and the mounting plane is a magnetically attractable part.

9. The weight device for vibration test according to claim 1, wherein, The cushion block is arranged in an arc shape.

10. The weight device for vibration test according to claim 9, wherein, The number of the cushion block is four, and the number of the adjusting piece is four;Four cushion blocks can be spliced into a complete circle.

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