CN209745753U - tap density automatic measuring device - Google Patents
tap density automatic measuring device Download PDFInfo
- Publication number
- CN209745753U CN209745753U CN201920539598.XU CN201920539598U CN209745753U CN 209745753 U CN209745753 U CN 209745753U CN 201920539598 U CN201920539598 U CN 201920539598U CN 209745753 U CN209745753 U CN 209745753U
- Authority
- CN
- China
- Prior art keywords
- tap density
- vibration
- container
- scanning
- measuring device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model discloses a tap density automatic determination device, include: the device comprises a vibration mechanism, a ranging scanning device and a control system; the container is arranged on the vibration mechanism; the vibration mechanism exerts a vertical vibration effect on the powder particles in the container; the distance measuring and scanning device is arranged above the vibration mechanism; the distance measurement scanning device performs distance measurement scanning on the surface of the powder in the container; and the control system performs automatic control and data acquisition on the vibration mechanism and the ranging scanning device. The tap density automatic measuring device can automatically adjust the amplitude, frequency and vibration frequency, monitor the change process of the powder bulk density and improve the measuring precision of tap density and the automation level of the operation process.
Description
Technical Field
The utility model relates to an instrument and meter technical field, more specifically the utility model relates to a tap density automatic measuring device that says so.
background
Tap density is the bulk density of a powder in a container after tapping under a predetermined condition, and is a comprehensive representation of various physical properties such as the particle size and distribution of the powder, the particle shape, and the surface roughness. According to the national standard GB/T21354 and the international standard ISO3953, tap density is generally measured according to prescribed methods and parameters using special tap density measuring instruments, which in special cases allow manual operation. The existing tap density measuring instrument generally drives a cam to rotate by a motor, drives a guide rod to slide upwards and then accelerate to slide downwards at the section of the cam profile to impact an anvil block, so as to generate beat vibration and gradually tap powder particles in a measuring cylinder. Stopping vibrating after the vibration frequency reaches a set value, and reading the powder volume by using the graduated cylinder scale by an operator so as to calculate the tap density. The amplitude and frequency are set or modified by manually replacing the cams or adjusting the anvil height, motor speed. However, the upper surface of the powder after the compaction is uneven, the accuracy of the volume of the powder read by an operator by using the scale marks of the measuring cylinder is limited, the powder is easily influenced by human factors, and the powder is not suitable for other containers with large diameters, no scale marks and opaqueness. In addition, the tapping process of different powder particles under different vibration conditions is different, and the volume change process of the powder particles cannot be further understood and analyzed by only reading the volume of the powder after tapping. Therefore, the existing tap density measuring instrument or device has low automation level and single function, and limits the application range of the instrument or device.
The utility model discloses a powder tap density appearance (application publication No. CN102692360A) discloses a milk power densimeter, uses step motor drive cam to rotate, divides the motor into three operation stages of acceleration, at the uniform velocity and speed reduction, has strengthened the control accuracy to the cam rotation process, but the amplitude is fixed 3mm, can not adjust. The utility model discloses a novel tap density meter (No. CN103234864B), which discloses a tap density meter with a guide rod driven by a single motor to slide up and down and rotate circumferentially, and the amplitude of the tap density meter needs to be adjusted by replacing the slide rods with different lengths. These solutions still require manual reading of the powder volume.
Therefore, it is an urgent need to solve the problem of the art to provide an automatic tap density measuring device capable of automatically adjusting the amplitude, frequency and frequency of vibration and monitoring the change of the bulk density of the powder particles in real time.
SUMMERY OF THE UTILITY MODEL
in view of this, the utility model provides a tap density automatic determination device can automatically regulated amplitude, frequency and vibration number of times, and the change process of real-time supervision powder granule bulk density has improved the survey precision of tap density and the automation level of survey process.
In order to achieve the above object, the present invention provides the following technical solutions:
An automatic tap density measuring apparatus comprising: the device comprises a vibration mechanism, a ranging scanning device and a control system; the container is arranged on the vibration mechanism; the vibration mechanism exerts a vertical vibration effect on the powder particles in the container; the distance measuring and scanning device is arranged above the vibration mechanism; the distance measurement scanning device performs distance measurement scanning on the powder surface above the container; and the control system performs automatic control and data acquisition on the vibration mechanism and the ranging scanning device.
Preferably, in an above-mentioned automatic tap density measuring device, the vibrating mechanism includes a container fixing seat, the container containing the powder particles is installed on the container fixing seat, the bottom of the container fixing seat is connected with the upper end of the vibrating rod, the lower end of the vibrating rod is provided with a driven member, the driven member is matched with a bearing follower, the bearing follower is installed at the tail end of the vibrating oscillating rod, and the vibrating oscillating rod is installed on a rotating shaft connected with a power output shaft of the hybrid servo motor.
Preferably, in the above automatic tap density measuring apparatus, the fitting of the bearing follower to the driven member includes: the bearing follower is in and out of unilateral contact with the lower edge of the driven piece; or the driven piece is provided with a waist-shaped hole, and the bearing follower is in bilateral contact with the edge of the waist-shaped hole.
Preferably, in the above automatic tap density measuring apparatus, the tap density measuring apparatus further includes a combination bushing, and the combination bushing includes: the flange shaft sleeve, the guide shaft sleeve and the shaft sleeve fixing seat are arranged on the flange shaft sleeve; the flange shaft sleeve is arranged on the shaft sleeve fixing seat.
Preferably, in foretell tap density automatic checkout device, the vibrating arm overcoat has the flange axle sleeve, the flange axle sleeve is provided with 2, installs respectively the central through-hole both ends of axle sleeve fixing base, the upper and lower terminal surface of axle sleeve fixing base is connected with upper fixed plate and lower floor's fixed plate respectively, upper fixed plate and lower floor's fixed plate are all installed in the frame.
Preferably, in the above automatic tap density measuring device, the bottom of the container fixing seat is further provided with a guide rod, the guide rod is sleeved with the guide shaft sleeve, and the guide shaft sleeve is installed in the blind hole in the upper end face of the shaft sleeve fixing seat.
preferably, an anvil block is mounted on the upper surface of the upper fixing plate, and a vibration damping pad is disposed on the upper surface of the anvil block and is opposite to the container fixing seat.
Through the technical scheme, the utility model discloses a technological effect: the bearing follower is contacted with one side of the driven piece to realize impact vibration, namely the vibration swing rod rotates to push the vibration rod to slide upwards along the flange shaft sleeve, then the vibration swing rod rotates in a fast reverse direction to enable the bearing follower to be separated from the driven piece, and the container fixing seat falls down in an accelerated mode to impact an anvil block to generate an impact vibration effect; the bearing follower is contacted with the two sides of the driven part to realize continuous vibration, namely the vibration swing rod swings back and forth to drive the vibration swing rod to synchronously slide up and down along the flange shaft sleeve to generate periodic continuous vibration.
Preferably, a spring is provided between the container holder and the anvil during continuous vibration.
Preferably, in the above automatic tap density measuring device, the distance measuring and scanning device includes a laser distance measuring sensor, the laser distance measuring sensor is mounted on a scanning swing arm, the scanning swing arm is mounted on an output shaft of a stepping motor, the stepping motor is mounted on a fine adjustment horizontal table, and the fine adjustment horizontal table is mounted on a gantry support.
Preferably, a strip-shaped hole is formed in the scanning swing arm, and the installation position of the laser ranging sensor on the scanning swing arm is adjusted through the strip-shaped hole.
Preferably, the gantry support and the frame of the vibration mechanism are independent of each other.
Preferably, in the above automatic tap density measuring apparatus, the range scanning process of the laser range sensor is divided into two cases: (1) a circular scanning mode, namely an output shaft of the stepping motor is superposed with the central line of the container, the scanning swing arm drives the laser ranging sensor to move at a constant speed along the circumference, and the laser ranging sensor measures the surface profile of the powder on the circular track; (2) and in an arc scanning mode, namely the stepping motor drives the laser ranging sensor to reciprocate at a constant speed along an arc, the arc motion track passes through the central line of the container, and the laser ranging sensor measures the surface profile of the powder on the arc track.
Through the technical scheme, the utility model discloses a technological effect: the frame and the gantry support are mutually independent, so that the vibration of the vibration mechanism can be prevented from influencing the ranging scanning process of the ranging scanning device on the gantry support.
Preferably, in the above automatic measuring device for tap density, a strip-shaped hole is formed in the scanning swing arm, and the laser ranging sensor is mounted on the strip-shaped hole through a bolt.
Through the technical scheme, the utility model discloses a technological effect: and adjusting the relative position of the laser ranging sensor and the container by adjusting the relative position of the gantry support and the frame, finely adjusting the mounting position of the horizontal table on the gantry support and the mounting position of the laser ranging sensor on the scanning swing arm.
Preferably, in the above automatic tap density measuring apparatus, the control system includes a controller, a first driver, a second driver, and an upper computer; the laser ranging sensor, the upper computer, the first driver and the second driver are respectively electrically connected with the controller; the first driver is connected with the hybrid servo motor; the second driver is connected with the stepping motor.
Preferably, in the above automatic tap density measuring device, two sides of the frame are provided with a weight block; and a frame damping pad is arranged at the bottom of the frame.
Has the advantages that:
1. The hybrid servo motor is adopted to replace a common speed regulating motor, so that vibration parameters can be set more accurately, and the amplitude, the frequency and the vibration times can be automatically regulated.
2. And the single-side contact and the double-side contact of the bearing follower and the driven member respectively realize impact vibration and continuous vibration.
3. And the distance measurement scanning device is adopted to measure the powder surface profile to replace manual reading, so that the measurement precision of tap density is improved. By monitoring the tap process of the powder, the vibration frequency can be preset, and the vibration can be stopped timely according to the variation trend of the bulk density of the powder.
4. Containers other than graduated lines and transparent measuring cylinders can be used, and the application range of the tap density measuring device is expanded.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a front view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a sectional view of the vibration mechanism of the present invention;
FIG. 4 is a schematic structural diagram of the range-finding scanning device of the present invention;
FIG. 5 is a schematic diagram of a hybrid servo motor according to the present invention;
FIG. 6 is a drawing of a continuous vibration mode vibration mechanism according to the present invention;
Fig. 7 is a control schematic diagram of the present invention.
in the figure: 11 container fixing seats, 12 vibrating rods, 13 driven parts, 14 bearing followers, 15 vibrating swing rods, 16 hybrid servo motors, 17 frames, 18 combined shaft sleeves, 19 upper fixing plates, 110 lower fixing plates, 111 vibration reduction pads, 112 anvils, 113 guide rods, 114 containers, 115 graphite copper sleeves, 116 counterweight blocks, 117 frame vibration reduction pads, 118 control cabinets, 119 couplers, 120 rotating shafts, 121 springs, 21 scanning swing arms, 22 stepping motors, 23 gantry supports, 24 laser ranging sensors, 25 fine adjustment horizontal tables, 31 controllers, 32 first drivers, 33 second drivers and 34 upper computers.
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.
The embodiment of the utility model discloses tap density automatic determination device, automatically regulated amplitude, frequency and vibration number of times, real-time supervision powder granule bulk density's change has improved the precision of tap density testing result and the automation level of survey operation.
Example 1:
As shown in fig. 1 and 2, an automatic tap density measuring apparatus includes: the device comprises a vibration mechanism, a ranging scanning device and a control system; the container is arranged on the vibration mechanism; the vibration mechanism applies mechanical vibration in the vertical direction to the powder particles in the container; the distance measurement scanning device is arranged above the vibration mechanism; the distance measurement scanning device carries out distance measurement scanning on the contour of the powder accumulation surface in the container; the control system carries out automatic control and data acquisition on the vibration mechanism and the distance measurement scanning device.
In order to further optimize the technical scheme, as shown in fig. 3 and 6, the vibration mechanism comprises a container fixing seat 11, a vibration rod 12, a driven part 13, a bearing follower 14, a vibration swing rod 15 and a mixing servo motor 16; a container 114 filled with powder particles is placed on the container fixing seat 11; one end of the vibrating rod 12 is connected with the lower end face of the container fixing seat 11, and the other end is provided with a driven part 13; the bearing follower 14 is arranged at one end of a vibration swing rod 15, and the other end of the vibration swing rod 15 is arranged on a rotating shaft connected with an output shaft of a hybrid servo motor 16; the bearing follower 14 vibrates in cooperation with the driven member 13.
In order to further optimize the above solution, the driven member 13 abuts against the bearing follower 14.
In order to further optimize the above technical solution, as shown in fig. 1, 2, 3 and 6, the device further includes a frame 17, a combined shaft sleeve 18, an upper fixing plate 19, a lower fixing plate 110, a damping pad 111 and an anvil 112; a combined shaft sleeve 18 is sleeved outside the vibrating rod 12; the upper end surface and the lower end surface of the combined shaft sleeve 18 are respectively provided with an upper layer fixing plate 19 and a lower layer fixing plate 110; the upper fixing plate 19 and the lower fixing plate 110 are both mounted on the frame 17; an anvil block 112 is arranged on the upper surface of the upper fixing plate 19; the damping pad 111 on the upper surface of the anvil 112 is opposite to the container fixing seat 11; the vibration rod 12 penetrates the vibration damping pad 111 and the anvil 112.
in order to further optimize the above technical solution, the combination bushing 18 includes: the flange shaft sleeve, the guide shaft sleeve and the shaft sleeve fixing seat are arranged on the flange shaft sleeve; the flange shaft sleeve is arranged on the shaft sleeve fixing seat.
In order to further optimize the technical scheme, the bottom of the container fixing seat is further provided with a guide rod 113, a guide shaft sleeve is sleeved outside the guide rod 113, and the guide shaft sleeve is installed in a blind hole in the upper end face of the shaft sleeve fixing seat.
In order to further optimize the technical scheme, the flange shaft sleeve and the guide shaft sleeve in the vibration mechanism are self-lubricating graphite copper sleeves 115.
In order to further optimize the above technical solution, as shown in fig. 4, the distance measuring and scanning device 2 includes a scanning swing arm 21, a stepping motor 22, a gantry support 23, a laser distance measuring sensor 24 (the range of the laser distance measuring sensor is 0-5m, the distance measuring precision is 1mm, the highest measuring frequency is 20Hz), and a fine adjustment horizontal table 25; the fine adjustment horizontal table 25 is arranged on the gantry support 23; a stepping motor 22 is arranged on the fine adjustment horizontal table 25; the output shaft of the stepping motor 22 is connected with the scanning swing arm 21; the laser ranging sensor 24 is fixed on the scanning swing arm 21; the centerline of the output shaft of the stepper motor 22 is parallel to the container centerline.
In order to further optimize the above technical solution, the frame 17 and the gantry 23 are independent from each other.
In order to further optimize the technical scheme, a strip-shaped hole is formed in the scanning swing arm, and the laser ranging sensor 24 is installed on the strip-shaped hole through a bolt.
In order to further optimize the above technical solution, a control system is built in the control cabinet 118, and the control system includes a controller 31, a first driver 32, a second driver 33 and an upper computer 34; the laser ranging sensor 24, the upper computer 34, the first driver 32 and the second driver 33 are respectively electrically connected with the controller 31; the first driver 32 is connected with the hybrid servo motor 16; the second driver 33 is connected to the stepping motor 22.
In order to further optimize the above technical solution, two sides of the frame 17 are installed with a counterweight 116; a frame damping pad 117 is mounted to the bottom of the frame 17.
Further, the container shown in the figure is an aluminum alloy cylindrical container with an inner diameter of 130mm and a depth of 300mm, and is used for measuring the tap process and tap density of the seedling nutrient soil.
Example 2:
On the basis of embodiment 1, the matching mode of the bearing follower 14 and the driven part 13 is replaced, a kidney-shaped hole is formed in the bearing follower 14, the driven part 13 is installed in the kidney-shaped hole, and the vibrating oscillating rod 15 oscillates in a reciprocating manner to drive the vibrating rod 12 to continuously slide up and down, so that continuous vibration is realized, and other contents are the same as those in embodiment 1 and are not described again.
Further, a spring 121 is provided between the container fixing base 11 and the anvil 112 at the time of continuous vibration.
example 3
On the basis of embodiment 1, the central line of the output shaft of the stepping motor 22 is parallel to the central line of the container, the adoption of a circumferential scanning mode means that the central line of the output shaft of the stepping motor 22 is superposed with the central line of the container, the scanning swing arm 21 drives the laser ranging sensor 24 to move at a constant speed along the circumference, and the laser ranging sensor 24 acquires the contour data of the surface of the powder on the circumferential track;
In another embodiment, the arc scanning mode is used, in which the stepping motor 22 drives the laser range sensor 24 to reciprocate along an arc at a constant speed, and the arc track passes through the center line of the container, and the laser range sensor 24 collects the powder surface profile data on the arc track.
As shown in fig. 5, the output shaft of the hybrid servo motor transmits power to the oscillating swing link 21 through the shaft 120 of the coupling 119 in sequence.
As shown in FIG. 7, the utility model discloses a controller adopts the platform to reach DVPES2 series PLC, has two pulse output channels of CH0(Y0, Y1) and CH1(Y2, Y3), 1 RS232 communication interface and 2 RS485 communication interfaces, and the controller passes through RS232 interface and host computer communication, through 1 RS485 interface and laser range sensor communication. The controller and other electrical components of the control system are placed in an electrical control cabinet on the rack. The first driver is HBS860H type and cooperates with the hybrid servo motor to vibrate, and the second driver is MB450A type and cooperates with the stepping motor to scan. The controller is also connected with a start button, a stop button, an operation indicator light, a standby indicator light and the like.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An automatic tap density measuring apparatus for automatically measuring tap density of powder particles, comprising: the device comprises a vibration mechanism, a ranging scanning device and a control system; the container is arranged on the vibration mechanism; the vibration mechanism exerts a vertical vibration effect on the powder particles in the container; the distance measuring and scanning device is arranged above the vibration mechanism; the distance measurement scanning device performs distance measurement scanning on the powder surface above the container; and the control system performs automatic control and data acquisition on the vibration mechanism and the ranging scanning device.
2. The automatic tap density measuring device according to claim 1, wherein the vibrating mechanism comprises a container holder, a vibrating rod, a driven member, a bearing follower, a vibrating oscillating rod and a hybrid servo motor; a container filled with powder particles is placed on the container fixing seat; one end of the vibrating rod is connected with the lower end face of the container fixing seat, and the other end of the vibrating rod is provided with a driven part; the bearing follower is arranged at one end of the vibration swing rod, and the other end of the vibration swing rod is arranged on a rotating shaft of the hybrid servo motor; the bearing follower is matched with the driven piece to vibrate.
3. An automatic tap density measuring device as claimed in claim 2, wherein the engagement of said bearing follower with said driven member comprises: the bearing follower is in and out of unilateral contact with the lower edge of the driven piece; or the driven piece is provided with a waist-shaped hole, and the bearing follower is in bilateral contact with the edge of the waist-shaped hole.
4. The automatic tap density measuring device according to claim 2, further comprising a frame, a combined shaft sleeve, an upper fixing plate, a lower fixing plate, a vibration damping pad and an anvil block; the vibration rod is externally sleeved with a flange shaft sleeve of the combined shaft sleeve; an upper layer fixing plate and a lower layer fixing plate are respectively arranged on the upper end surface and the lower end surface of the combined shaft sleeve; the upper layer fixing plate and the lower layer fixing plate are both arranged on the rack; an anvil block is arranged on the upper surface of the upper layer fixing plate; the vibration damping pad on the upper surface of the anvil is opposite to the container fixing seat; the vibration rod penetrates through the vibration damping pad and the anvil.
5. The automatic tap density measuring device according to claim 4, wherein a guide rod is disposed between the container holder and the combination sleeve; and the combined shaft sleeve is provided with a blind hole; the guide rod extends into the blind hole; the guide rod is sleeved with the guide shaft sleeve of the combined shaft sleeve.
6. The automatic tap density measuring device according to claim 4, wherein the distance measuring and scanning device comprises a scanning swing arm, a stepping motor, a gantry support, a laser distance measuring sensor and a fine adjustment horizontal table; the fine adjustment horizontal table is installed on the gantry support; a stepping motor is arranged on the fine adjustment horizontal table; an output shaft of the stepping motor is connected with the scanning swing arm; the laser ranging sensor is fixed on the scanning swing arm; the central line of the output shaft of the stepping motor is parallel to the central line of the container.
7. An automatic tap density measuring device as claimed in claim 6, wherein said frame and said gantry are independent of each other.
8. the automatic tap density measuring device according to claim 6, wherein the scanning swing arm is provided with a strip-shaped hole, and the laser ranging sensor is mounted on the strip-shaped hole through a bolt.
9. The automatic tap density measuring device according to claim 6, wherein the control system comprises a controller, a first driver, a second driver and an upper computer; the laser ranging sensor, the upper computer, the first driver and the second driver are respectively electrically connected with the controller; the first driver is connected with the hybrid servo motor; the second driver is connected with the stepping motor.
10. An automatic tap density measuring device according to any one of claims 4 to 9, wherein a weight is mounted on both sides of said frame; and a frame damping pad is arranged at the bottom of the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920539598.XU CN209745753U (en) | 2019-04-19 | 2019-04-19 | tap density automatic measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920539598.XU CN209745753U (en) | 2019-04-19 | 2019-04-19 | tap density automatic measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209745753U true CN209745753U (en) | 2019-12-06 |
Family
ID=68721385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920539598.XU Active CN209745753U (en) | 2019-04-19 | 2019-04-19 | tap density automatic measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209745753U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109883883A (en) * | 2019-04-19 | 2019-06-14 | 华南农业大学 | A kind of tap density apparatus for automatically measuring |
| US20220128444A1 (en) * | 2019-02-14 | 2022-04-28 | Granutools | Device and method for measuring bulk and/or tapped density, as well as packing dynamics |
| CN114646769A (en) * | 2022-03-18 | 2022-06-21 | 广东凯金新能源科技股份有限公司 | Automatic detection system for graphite tap detection and use method thereof |
| DE102021126223A1 (en) | 2021-10-08 | 2023-04-13 | ERWEKA Gesellschaft mit beschränkter Haftung | Device for measuring the tamped volume of bulk materials using a template and method for measuring the tamped volume of bulk materials |
-
2019
- 2019-04-19 CN CN201920539598.XU patent/CN209745753U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220128444A1 (en) * | 2019-02-14 | 2022-04-28 | Granutools | Device and method for measuring bulk and/or tapped density, as well as packing dynamics |
| CN109883883A (en) * | 2019-04-19 | 2019-06-14 | 华南农业大学 | A kind of tap density apparatus for automatically measuring |
| DE102021126223A1 (en) | 2021-10-08 | 2023-04-13 | ERWEKA Gesellschaft mit beschränkter Haftung | Device for measuring the tamped volume of bulk materials using a template and method for measuring the tamped volume of bulk materials |
| DE102021126223B4 (en) | 2021-10-08 | 2024-02-08 | ERWEKA Gesellschaft mit beschränkter Haftung | Device for measuring the tamping volume of bulk materials with a template and method for measuring the tamping volume of bulk materials |
| CN114646769A (en) * | 2022-03-18 | 2022-06-21 | 广东凯金新能源科技股份有限公司 | Automatic detection system for graphite tap detection and use method thereof |
| CN114646769B (en) * | 2022-03-18 | 2023-05-12 | 广东凯金新能源科技股份有限公司 | Automatic detection system for graphite compaction detection and application method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209745753U (en) | tap density automatic measuring device | |
| CN101225466B (en) | Novel vibration aging method | |
| CN101013026A (en) | Laser outer diameter detecting instrument | |
| CN109883883A (en) | A kind of tap density apparatus for automatically measuring | |
| CN106524855A (en) | Gear engagement detection apparatus | |
| CN102778412B (en) | Knocking device for powder determination device | |
| CN113865512A (en) | Contour scanning and measuring device and method | |
| CN209400210U (en) | A kind of speed reducer assembly abnormal sound testboard bay | |
| CN102538954B (en) | Vibration verification device based on linear motor and vibration detecting method thereof | |
| CN103537422A (en) | Mechanical pulse vibration exciter | |
| CN111003221A (en) | Ultra-micro accurate filling device | |
| CN115752318A (en) | Special-shaped pin hole detection system | |
| CN202013179U (en) | Automatic measuring instrument for flat wire | |
| CN111638381A (en) | Stepping motor driven belt transmission single-shaft reciprocating platform speed measuring device | |
| CN212275507U (en) | Device for measuring fluid viscosity by magnetic suspension method | |
| CN208780075U (en) | A kind of on-line measurement device | |
| CN110715717B (en) | Method and device for measuring quality of astronaut | |
| CN210427277U (en) | Solid powder density measuring device | |
| CN209069196U (en) | A kind of intelligent floor residual indentation detection device | |
| CN208476207U (en) | 3 D laser scanning target device | |
| CN112129382A (en) | Precision detection device for water level sensor in shaking state | |
| CN205445930U (en) | Appearance is gathered to valveless ceramic pump ration | |
| CN218916501U (en) | Weighing measuring device and laboratory bench | |
| CN114241862B (en) | Gravitational acceleration measuring method and gravitational acceleration measuring device | |
| CN217273015U (en) | Positioning support with laser angle adjusting function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |