CN211825543U

CN211825543U - Solid density measuring device

Info

Publication number: CN211825543U
Application number: CN202020375797.4U
Authority: CN
Inventors: 姜琳
Original assignee: Henan Institute of Engineering
Current assignee: Henan Institute of Engineering
Priority date: 2020-03-23
Filing date: 2020-03-23
Publication date: 2020-10-30
Anticipated expiration: 2030-03-23

Abstract

The utility model discloses a solid density measuring device, including base and graduated flask, the base up end is equipped with the measurement balance that is used for measuring weight, measurement balance central point puts and is equipped with the graduated flask that is used for measuring the volume, be equipped with the scale that is used for the reading on the graduated flask, two pillars are installed to the terminal surface both sides that the measurement balance is used for measuring, two pillar upper ends fixedly connected with horizontal pole, the horizontal pole intermediate position is seted up the slip hole that link up, install the guide arm that can slide in the slip hole, the position that the horizontal pole was kept away from to the guide arm lower extreme is installed and is used for placing the thing component of putting of measuring article; the utility model discloses a put into the object and put the thing basket, can fix the solid that density is less than water under water, change through rotating when having attached to the bubble on the measuring object and get rid of the bubble that will adhere to for the reading is more accurate when measuring the volume.

Description

Solid density measuring device

Technical Field

The utility model relates to a density measurement technical field specifically is a solid density measurement device.

Background

In the process of physical experiments, the density of the solid is often required to be measured, and the density is closely related to mechanical properties and solid utilization. It is an important index for evaluating the properties of solid quality, strength and the like. The density definition ρ ═ m/V (m, V are the mass and volume of the solid, respectively). For irregularly shaped objects it is difficult to accurately calculate the volume V and the calculated density p is therefore coarse and inaccurate. For the drainage method commonly used, the measurement of mass is relatively accurate, but the measurement error of volume is large.

Particularly, some solid samples can absorb water, so that volume measurement is inaccurate; if the density of the measured object is less than that of water, the measured object may float on the water surface to be unfavorable for density measurement, and particularly, a solid object with small holes on the surface is easy to contain air bubbles in the holes due to the surface tension of the water, so that density measurement errors are caused, and meanwhile, if the measurement accuracy is ensured, the level of the measuring device is ensured, and errors are prevented from being generated in the degree.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a solid density measuring device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a solid density measuring device comprises a base and a measuring cylinder, wherein a measuring scale used for measuring weight is arranged on the upper end face of the base, the measuring cylinder used for measuring volume is arranged in the center of the measuring scale, scales used for reading are arranged on the measuring cylinder, two pillars are arranged on two sides of the end face of the measuring scale used for measuring, the upper ends of the two pillars are fixedly connected with a cross rod, a through sliding hole is formed in the middle of the cross rod, a guide rod capable of sliding in the sliding hole is arranged in the sliding hole, and an object placing component used for placing a measured object is arranged at the position, far away from the cross rod, of the lower end of the guide;

the position of the upper end of the guide rod far away from the cross rod is provided with a rotating handle, the position of the guide rod between the rotating handle and the cross rod is provided with a limiting check ring, the middle position of the cross rod is also provided with a fixing button for fixing the position of the guide rod, and the base is also provided with an adjusting component for leveling the base.

Preferably, put the thing component including putting thing basket and hinge, put thing basket left side and guide arm bottom fixed connection, put thing basket upper end mouth and install the basket lid, the basket lid passes through the hinge and puts the thing basket and rotate to be connected, the buckle is installed to one side that the hinge was kept away from to the basket lid, put thing basket right flank upper end intermediate position install be used for with buckle complex slot.

Preferably, the adjusting component comprises four threaded holes, the four threaded holes are respectively formed in the positions of four corners of the base, threaded columns are connected in the threaded holes, and foot pads are fixedly connected to the bottom end faces of the threaded columns.

Preferably, the foot pad is made of rubber materials.

Preferably, the storage basket and the basket cover are both provided with a plurality of rectangular leakage holes.

Preferably, the upper end face of the base is also provided with a level gauge for observing whether the device is horizontal or not.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses earlier put zero operation with measuring the balance when measuring, then put the measurement balance with the volume of awaiting measuring the object and weigh, then obtain m with the weight record, then will put the volume of thing basket in aqueous and take notes and obtain V1, put into the thing basket of putting at last with measuring the object, then visit into aqueous, carry out the reading record once more and obtain V2, then can reachd the object density through density formula rho ═ m/V2-V1, this device simple structure, the simple operation, can obtain object density through measuring through simple physical formula, be applicable to and use in the physical teaching experiment.

2. The utility model discloses a put into the object and put the thing basket, can fix the solid that density is less than water under water, change through rotating when having attached to the bubble on the measuring object and get rid of the bubble that will adhere to for the reading is more accurate when measuring the volume.

3. The utility model discloses an whether level of device can be seen to the observation spirit level, if not the double-screw bolt of the rotatory bottom of horizontal accessible carries out the leveling to the base to improve the accuracy of reading volume value.

Drawings

Fig. 1 is a schematic structural view of a solid density measuring apparatus.

Fig. 2 is a schematic structural diagram of a basket in a solid density measuring device.

Fig. 3 is a schematic top view of a solid density measuring apparatus.

Fig. 4 is a partial sectional view schematically showing a solid density measuring apparatus.

Wherein: the measuring scale comprises a measuring scale 1, a support column 2, scales 3, a cross rod 4, a sliding hole 5, a limiting retainer ring 6, a guide rod 7, a rotating handle 8, a fixing button 9, a measuring cylinder 10, a storage basket 11, a threaded hole 12, a base 13, a foot pad 14, a threaded column 15, a basket cover 16, a hinge 17, a level gauge 18, a buckle 19 and a slot 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, in an embodiment of the present invention, a solid density measuring device includes a base 13 and a measuring cylinder 10, a measuring scale 1 for measuring weight is disposed on an upper end surface of the base 13, the measuring cylinder 10 for measuring volume is disposed at a central position of the measuring scale 1, a scale 3 for reading is disposed on the measuring cylinder 10, two pillars 2 are mounted on two sides of an end surface of the measuring scale 1 for measuring, a cross rod 4 is fixedly connected to upper ends of the two pillars 2, a through sliding hole 5 is disposed at a middle position of the cross rod 4, a guide rod 7 capable of sliding in the sliding hole 5 is mounted in the sliding hole 5, and a placement member for placing a measuring object is mounted at a position, far away from the cross rod 4, of a lower end of the guide rod 7;

a rotating handle 8 is arranged at the position, far away from the cross rod 4, of the upper end of the guide rod 7, a limiting retainer ring 6 is arranged at the position, between the rotating handle 8 and the cross rod 4, of the guide rod 7, a fixing button 9 for fixing the position of the guide rod 7 is further arranged at the middle position of the cross rod 4, and an adjusting component for leveling the base is further arranged on the base 13; a level gauge 18 for observing whether the device is horizontal is further arranged on the upper end face of the base 13; the utility model discloses earlier carry out the zero operation with measuring scale 1 when using, then put the solid that awaits measuring and carry out the measurement of weight on measuring scale 1, will measure the weight record and get off and obtain m, then unscrew fixed button 9, will put into graduated flask 10 with thing basket 11, guide arm 7 can stop in graduated flask 10 under spacing retaining ring 6's effect, then read volume numerical value through the scale and obtain V1, then will put out thing basket 11 through guide arm 7, open basket lid 16 and put into the solid that awaits measuring, then put into graduated flask 10, can stop in graduated flask 10 under spacing retaining ring 6's effect equally, if the solid article surface adheres to the bubble, accessible rotates 8 and will put thing basket 11 and rotate, get rid of the bubble, then carry out the second volume and read and obtain V2, can calculate out the bulk density according to the formula rho ═ m/V2-V1 at last; a level gauge 18 is provided on the base 13 to observe whether the device is placed horizontally.

The article placing component comprises an article placing basket 11 and a hinge 17, the left side of the article placing basket 11 is fixedly connected with the bottom end of the guide rod 7, an upper port of the article placing basket 11 is provided with a basket cover 16, the basket cover 16 is rotatably connected with the article placing basket 11 through the hinge 17, one side of the basket cover 16, far away from the hinge 17, is provided with a plug buckle 19, and the middle position of the upper end of the right side face of the article placing basket 11 is provided with a slot 20 used for being matched with the plug buckle 19; the article placing basket 11 and the basket cover 16 are both provided with a plurality of rectangular leakage holes; the adjusting component comprises four threaded holes 12, the four threaded holes 12 are respectively formed in the positions of four corners of a base 13, threaded columns 15 are respectively connected in the four threaded holes 12, and foot pads 14 are fixedly connected to the bottom end surfaces of the threaded columns 15; the article placing basket 11 and the basket cover 16 are both provided with a plurality of rectangular leakage holes. The utility model discloses a put into solid article and can be less than the object of water with density and immerse the aquatic completely in putting into thing basket 11, if observe the device through spirit level 18 and not at horizontal position, the accessible rotates threaded column 15, carries out the leveling to the device.

The utility model discloses a theory of operation is: the utility model discloses earlier put zero operation with measuring scale 1 when using, then put the solid that awaits measuring and carry out the measurement of weight on measuring scale 1, will measure the weight record and get off and obtain m, then will fix button 9 and unscrew, will put into graduated flask 10 by thing basket 11, guide arm 7 can stop in graduated flask 10 under spacing retaining ring 6's effect, then read volume numerical value through the scale and obtain V1, then rethread guide arm 7 will be put thing basket 11 and take out, open basket lid 16 and put into the solid that awaits measuring, then put into graduated flask 10, can stop in graduated flask 10 under spacing retaining ring 6's effect equally, if the solid article surface adheres to there is the bubble, the accessible rotates 8 and will put thing basket 11 and rotate, get rid of the bubble, then carry out the second volume and read and obtain V2, can calculate out bulk density according to formula rho ═ m/V2-V1 at last.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A solid density measuring device, comprising a base (13) and a measuring cylinder (10), characterized in that: the measuring scale is characterized in that a measuring scale (1) for measuring weight is arranged on the upper end face of the base (13), a measuring cylinder (10) for measuring volume is arranged at the center of the measuring scale (1), scales (3) for reading are arranged on the measuring cylinder (10), two pillars (2) are mounted on two sides of the end face of the measuring scale (1) for measuring, a cross rod (4) is fixedly connected to the upper ends of the two pillars (2), a through sliding hole (5) is formed in the middle of the cross rod (4), a guide rod (7) capable of sliding in the sliding hole (5) is mounted in the sliding hole (5), and an object placing component for placing a measured object is mounted at the position, far away from the cross rod (4), of the lower end of the guide rod (7);

the position of keeping away from horizontal pole (4) on guide arm (7) upper end is installed and is changeed (8), guide arm (7) are located to change and install spacing retaining ring (6) to the position between (8) and horizontal pole (4), horizontal pole (4) intermediate position still installs fixed button (9) that are used for fixed guide arm (7) position, still install on base (13) and be used for carrying out the adjusting part of leveling to base (13).

2. A solid density measuring device according to claim 1, wherein: put the thing component including putting thing basket (11) and hinge (17), put thing basket (11) left side and guide arm (7) bottom fixed connection, put thing basket (11) upper port and install basket lid (16), basket lid (16) rotate with putting thing basket (11) through hinge (17) and be connected, buckle (19) are installed to one side that hinge (17) were kept away from in basket lid (16), put thing basket (11) right flank upper end intermediate position install be used for with buckle (19) complex slot (20).

3. A solid density measuring device according to claim 1, wherein: the adjusting component comprises four threaded holes (12), four threaded holes (12) are respectively arranged at the positions of four corners of the base (13), four threaded columns (15) are connected in the threaded holes (12), and foot pads (14) are fixedly connected to the bottom end faces of the threaded columns (15).

4. A solid density measuring device according to claim 3, wherein: the foot pad (14) is made of rubber.

5. A solid density measuring apparatus according to claim 2, wherein: the article placing basket (11) and the basket cover (16) are both provided with a plurality of rectangular leakage holes.

6. A solid density measuring device according to claim 1, wherein: and a level gauge (18) for observing whether the device is horizontal is also arranged on the upper end surface of the base (13).