CN216593757U - Slow descending device in weight metering verification - Google Patents
Slow descending device in weight metering verification Download PDFInfo
- Publication number
- CN216593757U CN216593757U CN202220198988.7U CN202220198988U CN216593757U CN 216593757 U CN216593757 U CN 216593757U CN 202220198988 U CN202220198988 U CN 202220198988U CN 216593757 U CN216593757 U CN 216593757U
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- China
- Prior art keywords
- wall
- weight
- welded
- screw rod
- bearing
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- Expired - Fee Related
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- 238000012795 verification Methods 0.000 title claims description 16
- 238000005259 measurement Methods 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 claims description 30
- 230000007246 mechanism Effects 0.000 claims description 14
- 230000003028 elevating effect Effects 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000003466 welding Methods 0.000 abstract description 10
- 239000007787 solid Substances 0.000 abstract description 8
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 13
- 235000017491 Bambusa tulda Nutrition 0.000 description 13
- 241001330002 Bambuseae Species 0.000 description 13
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 13
- 239000011425 bamboo Substances 0.000 description 13
- 238000001125 extrusion Methods 0.000 description 7
- 125000003003 spiro group Chemical group 0.000 description 5
- 230000007423 decrease Effects 0.000 description 2
- 229910000566 Platinum-iridium alloy Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- HWLDNSXPUQTBOD-UHFFFAOYSA-N platinum-iridium alloy Chemical class [Ir].[Pt] HWLDNSXPUQTBOD-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a slow device that falls in weight measurement is examined and is examined belongs to the metrological examination field, and what propose to the background art leads to the weight to drop when carrying out the centre gripping to heavier weight easily, poor stability's problem, now proposes following scheme, comprising a base plate, be connected with the bracing piece through the bearing on the center department outer wall at bottom plate top, be connected with solid fixed ring through the bearing on the outer wall of bracing piece lower part, the welding has four dead levers on the outer wall of solid fixed ring bottom, and welds respectively on bottom plate top outer wall four dead lever bottoms, the fixed plate has been cup jointed on the outer wall that the bracing piece is located solid fixed ring top, and is connected with the screw rod through the bearing on the outer wall of fixed plate top one end. The utility model discloses the simple operation can make mounting panel and weight slowly descend, avoids weight and balance tray rigid contact, has improved the detection precision, can prevent that the weight from dropping at the centre gripping in-process, has improved centre gripping stability and practicality.
Description
Technical Field
The utility model relates to a metrological verification technical field especially relates to weight metrological verification in slow device that falls.
Background
The metrological verification has a very important position in the metrological work, is an important measure for unifying the disk value and ensuring the accuracy and consistency of a metrological instrument, is an important form for carrying out quantity value transmission or quantity value tracing, is an important condition for providing metrological guarantee for national economic construction, is a means for carrying out national supervision on national metrological, is the most important practical application of metrological and is the most basic task of a metrological department, in the measurement and verification, the weight is a vital component, in the modern mass measurement, the weight is a standard measuring tool for transferring mass value, the mass value takes a platinum-iridium alloy kilogram original device material object stored in the French International measuring office as a unique reference device, and the weight is divided into a national kilogram reference, a national kilogram auxiliary reference, a kilogram working reference, a working reference group consisting of times and components of kilogram and the like and the weights with the same working standard.
Through the retrieval, chinese patent application number is "202120302157.5", discloses "a slow-falling device that is arranged in weight measurement and verification", the mode centre gripping weight is aerifyd to the above-mentioned device accessible, it is harmless to the weight, and control is convenient, and slide the setting of slow-releasing mechanism on the diaphragm, can make it shift the weight to the calibrating apparatus from the weight tray on, and slow-releasing mechanism itself connects the decline of the mode control weight that descends through the screw soon, fine and close screw pitch is less, can effectively reduce the speed that descends, place the instrument on as gentle as far as possible, the detection precision has been guaranteed, moreover, the structure is simple, there is not electric mechanism, control is convenient and with low costs, but, above-mentioned device leads to the weight to drop easily when carrying out the centre gripping to heavier weight, poor stability.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a slow descending device in weight measurement verification.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
weight measurement examines well device that slowly falls, comprising a base plate, be connected with the bracing piece through the bearing on the central department outer wall at bottom plate top, be connected with solid fixed ring through the bearing on the outer wall of bracing piece lower part, gu weld on the outer wall of fixed ring bottom four dead levers, and weld respectively on bottom plate top outer wall four dead lever bottoms, the bracing piece has cup jointed the fixed plate on being located the outer wall of solid fixed ring top, and is connected with the screw rod through the bearing on the outer wall of fixed plate top one end, sliding sleeve is equipped with the mounting panel on the outer wall of bracing piece upper portion, the spiro union has the stopper on the outer wall of bracing piece upper portion, open on the outer wall of mounting panel top one end has the installing port, and the installing port is inlayed and is equipped with the installation section of thick bamboo, be equipped with elevating system in the installation section of thick bamboo, elevating system includes the lead screw, on the central department inner wall of installing section of thick bamboo bottom through the bearing connection, The screw joint is in go-between on the lead screw outer wall and four connecting blocks that weld respectively on the go-between outer wall "L" shape structure, slidable mounting has the extrusion frame on the outer wall of installation section of thick bamboo lower part, and welds respectively on the outer wall of extrusion frame top four connecting block bottoms, be equipped with four fixture on the outer wall of installation section of thick bamboo bottom, fixture includes that two are welded respectively on the fixing base on the outer wall of installation section of thick bamboo bottom, both ends connect respectively through the bearing in the rotation axis on the relative one side outer wall of two fixing bases, two overlap respectively and locate the torsion spring on the rotation axis both ends outer wall and cup joint the grip block of "L" shape structure on the outer wall in the middle part of the rotation axis.
Preferably, the four corners outer wall of bottom plate bottom all fixedly connected with area universal wheel of stopping, and the welding has the push rod on the outer wall of bottom plate top one end.
Preferably, the outer wall of the top end of the screw rod is welded with a first rotating disc, a first handle is welded on the outer wall of the top of the first rotating disc, and the outer wall of the first handle is sleeved with a rubber ring.
Preferably, the outer wall of one end of the top of the mounting plate is provided with a threaded opening, and the screw is in threaded connection with the threaded opening.
Preferably, it has the opening to open on the installation section of thick bamboo top outer wall, and has the top cap through bolted connection on the open-ended bottom inner wall, the lead screw spiro union is on top cap top outer wall, the welding has the second carousel on the lead screw top outer wall, and the welding has the second handle on the second carousel top outer wall, has cup jointed the rubber pad on the second handle top outer wall.
Preferably, the outer diameter of the connecting ring is matched with the inner diameter of the mounting cylinder, the connecting ring is slidably mounted in the mounting cylinder, the peripheral outer wall of the lower portion of the mounting cylinder is provided with a slide way, and the four connecting blocks are slidably mounted in the four slide ways respectively.
Preferably, one end of each of the two torsion springs is fixedly connected to the outer wall of the two ends of the rotating shaft, and one end of each of the two torsion springs is fixedly connected to the outer wall of the opposite side of the two fixing seats.
The utility model has the advantages that:
1. the device is provided with the supporting rod, the fixing plate and the screw rod, the screw rod is held and rotated to rotate the screw rod along the axis of the supporting rod, so that the device can rotate, the first handle is held and the screw rod is rotated around the axis of the first handle, the mounting plate can move along the supporting rod, the operation is convenient and fast, the mounting plate and the weight can slowly descend, the hard contact between the weight and the balance tray is avoided, and the detection precision is improved;
2. be provided with elevating system and fixture, clockwise rotation lead screw, the lead screw drives go-between and four connecting blocks descends, and then drives the extrusion frame and descends, four grip blocks are extruded respectively to the four sides of extrusion frame bottom, and four grip blocks move to the axle center of installation section of thick bamboo, and then carry out the centre gripping to the weight and fix, can prevent that the weight from dropping at the centre gripping in-process, have improved clamping stability and practicality.
Drawings
Fig. 1 is a schematic view of a front perspective three-dimensional structure of a slow descending device in weight measurement and verification provided by the present invention;
fig. 2 is a schematic view of a three-dimensional structure of an installation cylinder of a slow descending device in weight measurement and verification provided by the utility model;
fig. 3 is a schematic view of a sectional three-dimensional structure of an installation cylinder of a slow descending device in weight measurement and verification provided by the present invention;
fig. 4 is a schematic view of a three-dimensional structure of a clamping mechanism of a slow descending device in weight measurement and verification according to the present invention.
In the figure: the device comprises a base plate 1, a supporting rod 2, a fixing ring 3, a fixing rod 4, a fixing plate 5, a screw rod 6, a mounting plate 7, a limiting block 8, a mounting cylinder 9, a lifting mechanism 10, a screw rod 1001, a connecting ring 1002, a connecting block 1003, an extrusion frame 11, a clamping mechanism 12, a fixing seat 1201, a rotating shaft 1202, a torsion spring 1203 and a clamping block 1204.
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.
Further, the universal wheel of stopping is stopped in equal fixedly connected with area on the four corners outer wall of bottom plate 1 bottom, and the welding has the push rod on the outer wall of 1 top one end of bottom plate, and the welding has first carousel on the outer wall of 6 tops of screw rod, and the welding has the first in command on the outer wall of first carousel top, has cup jointed the rubber circle on the first in command outer wall, and it has the screw thread mouth to open on the outer wall of 7 tops of mounting panel, and the 6 spiro couplings of screw rod are in the screw thread mouth.
The simple operation can make mounting panel and weight slowly descend, avoids weight and balance tray rigid contact, has improved the detection precision.
Further, it has the opening to open on the outer wall of installation section of thick bamboo 9 top, there is the top cap through bolted connection on the open-ended bottom inner wall, lead screw 1002 spiro union is on top cap top outer wall, the welding has the second carousel on the outer wall of lead screw 1002 top, the welding has the second handle on the outer wall of second carousel top, the rubber pad has been cup jointed on the outer wall of second handle top, go-between 1002 external diameter size and the big or small looks adaptation of installation section of thick bamboo 9 internal diameter, go-between 1002 slidable mounting is in installation section of thick bamboo 9, all open the slide on the outer wall all around of installation section of thick bamboo 9 lower part, four connecting blocks 1003 slidable mounting respectively are in four slides, two torsion spring 1203 one end difference fixed connection are on rotation axis 1202 both ends outer wall, two torsion spring 1203 one end difference fixed connection are on two relative one side outer walls of fixing base 1201.
Can prevent that the weight from dropping at the centre gripping in-process, improve centre gripping stability and practicality.
The working principle is as follows: pusher arrives suitable position, hold screw rod 6 and rotate screw rod 6, make screw rod 6 rotate along the axle center of bracing piece 2, make four fixture 12 be located the weight top, hold the first in command and anticlockwise rotation screw rod 6, make screw rod 6 rotate around self axle center, mounting panel 7 can descend along bracing piece 2, clockwise rotation lead screw 1001, lead screw 1001 drives go-between 1002 and four connecting blocks 1003 descends, and then drive extrusion frame 11 descends, four grip blocks 1204 are extruded respectively to the four sides of extrusion frame 11 bottom, four grip blocks 1204 move to the axle center of installation section of thick bamboo 9, and then carry out the centre gripping to the weight and fix, anticlockwise rotation screw rod 6, make the weight rise, rotate bracing piece 2 once more, make the weight be located directly over the balance tray, clockwise rotation screw rod 6, screw rod 6 drives mounting panel 7 and the slow decline of weight.
The present invention is not limited to the above-described embodiments, and various changes can be made within the knowledge range of those skilled in the art without departing from the spirit of the present invention, and the changed contents still belong to the protection scope of the present invention.
Claims (7)
1. The slow descending device in the weight measurement verification comprises a bottom plate (1) and is characterized in that a supporting rod (2) is connected to the outer wall of the center of the top of the bottom plate (1) through a bearing, a fixing ring (3) is connected to the outer wall of the lower portion of the supporting rod (2) through a bearing, four fixing rods (4) are welded to the outer wall of the bottom of the fixing ring (3), the bottoms of the four fixing rods (4) are respectively welded to the outer wall of the top of the bottom plate (1), a fixing plate (5) is sleeved on the outer wall of the supporting rod (2) above the fixing ring (3), a screw rod (6) is connected to the outer wall of one end of the top of the fixing plate (5) through a bearing, a mounting plate (7) is sleeved on the outer wall of the upper portion of the supporting rod (2) in a sliding mode, a limiting block (8) is connected to the outer wall of the upper portion of the supporting rod (2) in a threaded mode, and a mounting opening is formed in the outer wall of one end of the top of the mounting plate (7), and the installation port is internally embedded with an installation barrel (9), an elevating mechanism (10) is arranged in the installation barrel (9), the elevating mechanism (10) comprises a screw rod (1001) which is connected with the inner wall of the center of the bottom of the installation barrel (9) through a bearing, a connecting ring (1002) which is screwed on the outer wall of the screw rod (1001) and four connecting blocks (1003) which are respectively welded on the outer wall of the L-shaped structure on the outer wall of the connecting ring (1002), a squeezing frame (11) is slidably mounted on the outer wall of the lower part of the installation barrel (9), the bottom ends of the four connecting blocks (1003) are respectively welded on the outer wall of the top of the squeezing frame (11), four clamping mechanisms (12) are arranged on the outer wall of the bottom of the installation barrel (9), each clamping mechanism (12) comprises two fixing seats (1201) which are respectively welded on the outer wall of the bottom of the installation barrel (9), and a rotating shaft (1202) with the two ends of which are respectively connected on the outer walls of the two opposite sides of the fixing seats (1201) through bearings, Two torsion springs (1203) respectively sleeved on the outer walls of two ends of the rotating shaft (1202) and a clamping block (1204) of an L-shaped structure sleeved on the outer wall of the middle part of the rotating shaft (1202).
2. The slow descending device in weight metering and checking of claim 1, wherein the four outer walls of the bottom plate (1) are fixedly connected with universal wheels with brakes, and the outer wall of one end of the top of the bottom plate (1) is welded with a push rod.
3. The slow descending device in weight metering and checking of claim 1, wherein a first rotating disc is welded on the outer wall of the top end of the screw (6), a first handle is welded on the outer wall of the top of the first rotating disc, and a rubber ring is sleeved on the outer wall of the first handle.
4. The slow descending device in weight metering and checking of claim 1, wherein the outer wall of one end of the top of the mounting plate (7) is provided with a threaded opening, and the screw rod (6) is screwed in the threaded opening.
5. The slow descending device in weight metering and checking of claim 1, wherein an opening is formed in the outer wall of the top of the mounting cylinder (9), a top cover is connected to the inner wall of the bottom of the opening through a bolt, the screw rod (1001) is screwed to the outer wall of the top cover, the outer wall of the top end of the screw rod (1001) is welded with the second rotary table, the outer wall of the top of the second rotary table is welded with the second handle, and the outer wall of the top of the second handle is sleeved with a rubber pad.
6. The slow descending device in weight metering verification according to claim 1, wherein the outer diameter of the connecting ring (1002) is matched with the inner diameter of the mounting cylinder (9), the connecting ring (1002) is slidably mounted in the mounting cylinder (9), the peripheral outer wall of the lower portion of the mounting cylinder (9) is provided with a slide way, and the four connecting blocks (1003) are respectively slidably mounted in the four slide ways.
7. The descent control device in weight metering verification according to claim 1, wherein one end of each of the two torsion springs (1203) is fixedly connected to the outer wall of each of the two ends of the rotating shaft (1202), and one end of each of the two torsion springs (1203) is fixedly connected to the outer wall of the opposite side of the two fixing seats (1201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220198988.7U CN216593757U (en) | 2022-01-25 | 2022-01-25 | Slow descending device in weight metering verification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220198988.7U CN216593757U (en) | 2022-01-25 | 2022-01-25 | Slow descending device in weight metering verification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216593757U true CN216593757U (en) | 2022-05-24 |
Family
ID=81635509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220198988.7U Expired - Fee Related CN216593757U (en) | 2022-01-25 | 2022-01-25 | Slow descending device in weight metering verification |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216593757U (en) |
-
2022
- 2022-01-25 CN CN202220198988.7U patent/CN216593757U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220524 |
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| CF01 | Termination of patent right due to non-payment of annual fee |