CN217736145U

CN217736145U - Platform

Info

Publication number: CN217736145U
Application number: CN202221162827.9U
Authority: CN
Inventors: 段常青; 段常福; 向子友; 谭艳芳; 陈进深; 彭少轩
Original assignee: Guangdong Banzhou Laboratory Equipment Co ltd
Current assignee: Guangdong Banzhou Laboratory Equipment Co ltd
Priority date: 2022-05-13
Filing date: 2022-05-13
Publication date: 2022-11-04
Anticipated expiration: 2032-05-13

Abstract

The utility model discloses a balance platform, which comprises a base, a bracket, a bedplate, a first damping piece, a second damping piece and a third damping piece, wherein the first damping piece is connected to the bottom of the base, the bracket is positioned between the bedplate and the base, the bracket is connected with the base through the second damping piece, the bedplate is connected with the bracket through the third damping piece, the bedplate and the base are arranged at intervals, the bedplate is used for supporting a balance, and the second damping piece is used for filtering transverse and longitudinal vibration; the experiment table has the advantages of reasonable structure, good damping effect and suitability for high-precision grade balances.

Description

Platform

Technical Field

The utility model belongs to the technical field of experimental device or equipment, concretely relates to sky platform.

Background

The balance platform is a common laboratory device, for example, when a public security system processes various cases, the technical processes such as traces, physical evidence, forensic science, physicochemical and fumigation are often performed; for example, the proportion of different substances in the research and development of the medicine is also increased; in the technical process, a metering experimental device such as a balance is inevitably used by related working personnel or research and development personnel. In order to avoid the influence of vibration factors from the external environment on the measurement accuracy of the balance or the damage and damage of the balance, a special balance platform needs to be provided for the balance. However, the existing day platform in the prior art has a requirement that cannot meet the requirement of a higher-grade balance, for example, the application number is 201120014442.3, which is named as a three-level shock absorption day platform, and the day platform is suitable for balances of one ten thousandth and one hundred thousand, but the precision requirement of balances of higher grade (such as one millionth) cannot be met. Specifically, when the external environment generates vibration, mainly two forces in two directions act on the balance platform, namely, a force in a longitudinal direction, for example, when the force generated by the external vibration is transmitted to the balance through the balance platform, the balance can be regarded as bouncing in a vertical direction relative to the balance platform; the other is a force from the transverse direction, for example, when the force generated by the external vibration is transmitted to the balance through the balance platform, the balance can be considered to be shaken left and right relative to the balance platform. Further, the balance platform in the prior art can filter or buffer the force from the longitudinal direction during vibration, and cannot filter or buffer the force from the transverse direction, so that the balance platform cannot meet the use requirement of a balance with a higher precision level (millionth).

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a rational in infrastructure, shock attenuation is effectual, can be suitable for high accuracy grade balance's sky platform.

In order to solve the technical problem, the utility model discloses the technical scheme who uses is:

a balance platform comprises a base, a bracket, a bedplate, a first shock absorption piece, a second shock absorption piece and a third shock absorption piece, wherein the first shock absorption piece is connected to the bottom of the base, the bracket is located between the bedplate and the base, the bracket is connected with the base through the second shock absorption piece, the bedplate is connected with the bracket through the third shock absorption piece, the bedplate and the base are arranged at intervals, the bedplate is used for supporting a balance and is used for supporting the balance, and the second shock absorption piece is used for filtering transverse and longitudinal shock.

As a further improvement to the platform, a support part is arranged on the base along the circumferential direction of the base, a plurality of connecting pieces and a second damping piece are arranged on the support part, the second damping piece is connected with the bracket, the connecting pieces are used for connecting the bracket and the base, and the connecting pieces penetrate through the bracket and the second damping piece.

As a further improvement of the platform, the second damping member includes a first cushion body and a sleeve, the sleeve penetrates through the support portion, the first cushion body is clamped between the bracket and the support portion, one end of the sleeve is fixedly connected with the first cushion body, and the connecting member penetrates through the first cushion body and the sleeve.

As a further improvement of the platform, the second damping piece further comprises a second cushion body, the other end of the sleeve is fixedly connected with the second cushion body, and the supporting part is clamped between the first cushion body and the second cushion body relative to the height direction of the supporting part.

As a further improvement of the platform, the connecting piece comprises a bolt and a nut, and the bolt is connected with the nut through threads.

As a further improvement of the balance platform, the second damping part further comprises an elastic part, the elastic part is sleeved outside the bolt, one end of the elastic part abuts against the second cushion body, and the other end of the elastic part abuts against the nut.

As a further improvement to the balance, the elastic member is a spring.

As a further improvement of the platform, the first shock absorption member comprises a first screw rod and a first support leg, one end of the first screw rod is fixedly connected with the first support leg, the other end of the first screw rod is in threaded connection with the base, and the first support leg is used for supporting the base;

the third damping piece comprises a third screw and a third supporting leg, one end of the third screw is fixedly connected with the third supporting leg, the other end of the third screw is in threaded connection with the bracket, and the third supporting leg is abutted against the bedplate;

or one end of the third screw is in threaded connection with the bedplate, and the third support leg is abutted to the bracket.

As a further improvement to the balance, the bedplate is made of stone.

As a further improvement to the platform, the third leg, the first leg and the second shock absorbing member are made of rubber or polyurethane material.

The utility model discloses produced technological effect mainly embodies: the bracket is arranged, and meanwhile, a second damping piece is arranged between the bracket and the base and a third damping piece is arranged between the bracket and the bedplate, so that the bedplate is in a suspended state relative to the base; furthermore, when the day platform receives the ascending vibrations of vertical direction, can filter through first shock attenuation piece, second shock attenuation piece and third shock attenuation piece, then can cross the line through the second shock attenuation piece and filter when the day platform receives the ascending vibrations of transverse direction to furthest avoids or reduces to come from the vibrations among the external environment to conduct on the platen and cause the influence to the precision of balance.

Drawings

The foregoing and other objects, features and advantages of the invention will be apparent from the following more particular description of preferred embodiments of the invention, as illustrated in the accompanying drawings. Like reference numerals refer to like parts throughout the drawings, and the drawings are not intended to be drawn to scale in actual dimensions, emphasis instead being placed upon illustrating the principles of the invention.

Fig. 1 is a schematic view of an overall structure of a platform according to the present invention;

fig. 2 is a schematic side view of a platform according to the present invention;

fig. 3 is an exploded view of a platform according to the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the illustrated embodiments are not intended to limit the present invention, and in the present embodiments, it should be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and the present invention is described only, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be construed as limited to the present invention.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "mounted," "one end," "the other end," and the like as used herein are for illustrative purposes only.

As shown in fig. 1-3, an embodiment of the present invention provides a balance platform, which includes a base 1, a bracket 2, a bedplate 3, a first shock absorbing member 4, a second shock absorbing member 5, and a third shock absorbing member 6; the first shock absorbing parts 4 are connected to the bottom of the base 1, the bracket 2 is located between the bedplate 3 and the base 1, the bracket 2 is connected with the base 1 through the second shock absorbing parts 5, the bedplate 3 is connected with the bracket 2 through the third shock absorbing parts 6, the bedplate 3 and the base 1 are arranged at intervals, the bedplate 3 is used for supporting a balance, and the second shock absorbing parts 5 are used for filtering transverse and longitudinal shock. Further, the base 1 is provided with support portions 11 along the circumferential direction thereof, the support portions 11 in this embodiment are provided at two ends of the base 1 in the length direction, the support portions 11 are provided with a plurality of connecting members 7 and second damping members 5, the damping members 5 in this embodiment are provided with four, the damping members 5 are respectively located at four corners of the bracket 2, and the second damping members 5 are connected with the bracket 2, that is, form a flexible support for the bracket 2; further, a connecting member 7 is used to connect the bracket 2 and the base 1, and the connecting member 7 penetrates the bracket 2 and the second damper 5.

As shown in fig. 3, in a preferred embodiment, the second cushion 5 comprises a first cushion body 51 and a sleeve 52, wherein the sleeve 52 penetrates through the support portion 11, the first cushion body 51 is clamped between the bracket 2 and the support portion 11, one end of the sleeve 52 is integrally formed with the first cushion body 51, the connecting member 7 penetrates through the first cushion body 51 and the sleeve 52 along the axial direction of the sleeve 52, and the diameter of the first cushion body 51 is larger than that of the sleeve 52. Further, the second cushion 5 further includes a second cushion body 53, the other end of the sleeve 52 is integrally formed with the second cushion body 53, and the supporting portion 11 is clamped between the first cushion body 51 and the second cushion body 53 with respect to the height direction of the supporting portion 11. Further, the connecting member 7 includes a bolt 71 and a nut 72, and the bolt 71 is screwed with the nut 72. Specifically, when the vibration from the external environment (ground) is transmitted to the platform, if the vibration wave is in a substantially vertical direction, the vibration wave can be filtered by the first shock absorbing members 4, the first pad 51 and/or the second pad 53 of the second shock absorbing member 5, and the third shock absorbing member 6; further, if the vibration wave is substantially horizontal, at this time, the bracket 2 and the base 1 are connected by the connecting member 7, and the sleeve 52 is sleeved outside the bolt 71 of the connecting member 7, that is, the sleeve 52 forms a vibration damping region between the base 1 and the bracket 2, so as to filter out the vibration from the horizontal direction, thereby further reducing the transmission of the vibration to the bedplate 3 and the influence on the balance on the bedplate 3.

As shown in fig. 2-3, in a preferred embodiment, the second damping member 5 further includes an elastic member 54, the elastic member 54 is sleeved outside the bolt 71, one end of the elastic member 54 abuts against the second pad 53, and the other end abuts against the nut 72, the elastic member 54 in this embodiment is a spring. Specifically, the tightness of the spring can be adjusted by rotating the nut 72, and further the filtering strength of the second damping member 5 can be adjusted; next, for example, when the platform receives a continuous impact shock from the vertical direction (downward) in a certain period of time, the first pad 51 inevitably generates a certain amount of rebound after the (platen, bracket) is compressed, and the elastic member 54 provided rapidly consumes the kinetic energy of the first pad 51 when rebounding under the action of the elastic force, thereby suppressing the bounce generated by the platform.

As shown in fig. 3, in a preferred embodiment, the first shock absorbing member 4 comprises a first screw rod 41 and a first leg 42, one end of the first screw rod 41 is fixed to the first leg 42 by clamping or gluing, the other end of the first screw rod 41 is connected to the base 1 by screw thread, and the first leg 42 is used for supporting the base 1; further, the first damper 4 can be adjusted in position by the first bolt 41, for example, by adjusting the first damper 4 to keep the base 1 horizontal. Further, the third damping member 6 comprises a third screw 61 and a third supporting leg 62, one end of the third screw 61 is fixedly connected with the third supporting leg 62, the other end of the third screw 61 is in threaded connection with the bracket 2, and the third supporting leg 62 is abutted against the bedplate 3; alternatively, one end of the third screw 61 is screwed to the platen 3, and the third leg 62 abuts against the bracket 2. The third leg 62, the first leg 42 and the second damping member 5 are made of rubber or polyurethane material. Furthermore, the bedplate 3 is made of stone, and the bedplate in the embodiment is made of marble, so that the marble has the advantages of precise and uniform structure, good stability, high strength and high hardness; the paint has the advantages of no rustiness, acid and alkali resistance, no magnetization, no deformation, good wear resistance and the like, and can keep stable under heavy load and common temperature; therefore, the marble table 3 is an ideal reference surface for the inspection of instruments, precision tools and mechanical parts.

In this specification, unless explicitly stated or limited otherwise, a first feature may be "on" or "under" a second feature such that the first and second features are in direct contact, or the first and second features are in indirect contact via an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, reference to the description of the terms "preferred embodiment," "yet another embodiment," "other embodiments," or "specific examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

While embodiments of the present application have been shown and described above, it will be understood that the above embodiments are exemplary and should not be construed as limiting the present application and that changes, modifications, substitutions and alterations in the above embodiments may be made by those of ordinary skill in the art within the scope of the present application.

Claims

1. An astrolabe, characterized in that: the damping device comprises a base, a bracket, a bedplate, a first damping piece, a second damping piece and a third damping piece, wherein the first damping piece is connected to the bottom of the base, the bracket is located between the bedplate and the base, the bracket is connected with the base through the second damping piece, the bedplate is connected with the bracket through the third damping piece, the bedplate and the base are arranged at intervals, the bedplate is used for supporting a balance, and the second damping piece is used for filtering transverse and longitudinal vibration.

2. The zenith platform of claim 1, wherein: the base is provided with a supporting part along the circumferential direction of the base, the supporting part is provided with a plurality of connecting pieces and the second damping pieces, the second damping pieces are connected with the bracket, the connecting pieces are used for connecting the bracket and the base, and the connecting pieces penetrate through the bracket and the second damping pieces.

3. The zenith platform of claim 2, wherein: the second damping piece comprises a first pad body and a sleeve, the sleeve penetrates through the supporting portion, the first pad body is clamped between the bracket and the supporting portion, one end of the sleeve is fixedly connected with the first pad body, and the connecting piece penetrates through the first pad body and the sleeve.

4. The zenith platform of claim 3, wherein: the second damping piece further comprises a second cushion body, the other end of the sleeve is fixedly connected with the second cushion body, and the supporting portion is clamped between the first cushion body and the second cushion body relative to the height direction of the supporting portion.

5. The space platform according to any one of claims 2-4, wherein: the connecting piece comprises a bolt and a nut, and the bolt is connected with the nut through threads.

6. The balance platform of claim 5, wherein: the second damping piece further comprises an elastic piece, the elastic piece is sleeved outside the bolt, one end of the elastic piece abuts against the second cushion body, and the other end of the elastic piece abuts against the nut.

7. The zenith platform of claim 6, wherein: the elastic piece is a spring.

8. The day platform of any one of claims 1-4, wherein: the first damping piece comprises a first screw rod and a first support leg, one end of the first screw rod is fixedly connected with the first support leg, the other end of the first screw rod is in threaded connection with the base, and the first support leg is used for supporting the base;

the third damping part comprises a third screw rod and a third supporting leg, one end of the third screw rod is fixedly connected with the third supporting leg, the other end of the third screw rod is in threaded connection with the bracket, and the third supporting leg is abutted against the bedplate;

9. The day platform of any one of claims 1-4, wherein: the bedplate is made of stone.

10. The zenith platform of claim 8, wherein: the third supporting leg, the first supporting leg and the second damping part are made of rubber or polyurethane materials.