CN213120754U - Water flow standard device - Google Patents
Water flow standard device Download PDFInfo
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- CN213120754U CN213120754U CN202021519225.5U CN202021519225U CN213120754U CN 213120754 U CN213120754 U CN 213120754U CN 202021519225 U CN202021519225 U CN 202021519225U CN 213120754 U CN213120754 U CN 213120754U
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Abstract
The utility model relates to a discharge standard device, including first water tank, a water pump, the surge tank, the rose box that disappears, preceding straight tube section, back straight tube section and backflow pipeline, first water tank delivery port and water pump water inlet intercommunication, water pump delivery port and surge tank water inlet intercommunication, surge tank delivery port and the rose box water inlet intercommunication that disappears, rose box delivery port and preceding straight tube section water inlet intercommunication that disappears, there is the clearance between preceding straight tube section delivery port and the back straight tube section water inlet, back straight tube section delivery port and backflow pipeline water inlet intercommunication, it is connected with the three-way valve to be equipped with standard table and its delivery port on the backflow pipeline, first water tank one side is equipped with the electronic scale, be equipped with the second water tank on the electronic scale, two delivery ports of three-way valve and first, two water tank water inlets intercommunication, second water tank delivery port. The utility model discloses it is thorough effective to detect the water filtration edulcoration, can carry out standard table method and detect and can carry out static quality method again and detect, be favorable to improving detection quality.
Description
Technical Field
The utility model belongs to the technical field of fluid flow standard, concretely relates to water flow standard device.
Background
The flow standard device is a standard for transmitting the quantity value of the flow meter and is mainly used for detecting and calibrating the parameters of the flow meter, such as accuracy, repeatability, linearity and the like. According to different measuring media, the flow standard device can be divided into water, gas, oil, multi-component fluid and multi-phase fluid, namely steam flow standard device. When the device is used, a detected flowmeter is arranged on the device according to requirements, the system is started, water flows pass through the detected flowmeter and a flow working standard (an electronic scale or a standard meter), the detected flowmeter and the flow working standard are synchronously operated, the output flow values of the detected flowmeter and the flow working standard are compared, the stability of the water circulation system and the accuracy of the commutator are compared, the metering accuracy and the repeatability of the detected flowmeter are determined, and the detection of the detected flowmeter is completed.
However, the existing flow standard device still has the following problems when in use: 1. one group of flow standard devices is only provided with one metering device, and only standard meter method detection or static quality method detection can be independently carried out, when the two methods are both used, only two groups of standard devices can be adopted, and the cost is higher; 2 conventional filter that disappears can only carry out one-level filtration, and is relatively poor to the filtration edulcoration effect of detection water, and then has influenced the accuracy of testing result, awaits improvement.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a to detect water filtration edulcoration more thoroughly effective, can carry out the discharge standard device that the standard table method detected and can carry out static quality method detection again to solve above-mentioned problem.
In order to achieve the above object, the utility model adopts the following technical scheme: a water flow standard device comprises a first water tank, a water pump, a pressure stabilizing tank, a degassing filter tank, a front straight pipe section, a rear straight pipe section and a return pipeline, the water outlet of the first water tank is communicated with the water inlet of the water pump, the water outlet of the water pump is communicated with the water inlet of the surge tank, the water outlet of the surge tank is communicated with the water inlet of the degassing filter tank, the water outlet of the degassing filter tank is communicated with the water inlet of the front straight pipe section, the front straight pipe section is coaxial with the rear straight pipe section, a gap is formed between the water outlet of the front straight pipe section and the water inlet of the rear straight pipe section, the water outlet of the rear straight pipe section, a standard meter is arranged on the return pipeline, a three-way valve is connected with a water outlet of the return pipeline, an electronic scale is erected above one side of the first water tank, a second water tank is arranged on the electronic scale, two water outlets of the three-way valve are respectively communicated with the water inlets of the first water tank and the second water tank, and the water outlet of the second water tank is communicated with the water inlet of the first water tank; the utility model discloses a box of filter tank, including the box that the top is uncovered and flange joint has the case lid, the level is equipped with the baffle in box upper portion, the box inner space of baffle top is the discharge chamber, the box inner space of below is the filter chamber, be equipped with discharge valve on the box lateral wall that the discharge chamber corresponds, be equipped with the delivery port on being equipped with water inlet, the opposite side lateral wall on the box lateral wall that the filter chamber corresponds, the interval just can be dismantled in the filter chamber and be equipped with a plurality of vertical filter screens, the mesh diameter of vertical filter screen is steadilyd decrease by water inlet to delivery port direction in proper order, the bottom half that one side that vertical filter screen is close.
Preferably, the exhaust chamber is filled with sealing liquid, and one end of the exhaust valve, which is positioned in the exhaust chamber, is connected with a floating ball through a lever.
Preferably, the bottom of the partition plate corresponding to the top end of the vertical filter screen and the bottom of the box body corresponding to the bottom end of the vertical filter screen are provided with slots, and the top end and the bottom end of the vertical filter screen are respectively inserted into the corresponding slots.
Preferably, the front end of the box body corresponding to the filtering chamber is open and is hinged with a sealing door.
Preferably, the water inlet of the front straight pipe section is communicated with a telescopic corrugated pipe, and the telescopic corrugated pipe is communicated with the water outlet of the degassing filter box.
Preferably, a detected flowmeter clamping mechanism is arranged between the water outlet of the front straight pipe section and the water inlet of the rear straight pipe section, the detected flowmeter clamping mechanism comprises a workbench arranged below the front straight pipe section and the rear straight pipe section, one end of the workbench close to the rear straight pipe section is vertically and fixedly provided with a first supporting plate, the other end of the workbench slides along the length direction of the workbench and is vertically provided with a second supporting plate, the end where the water inlet of the rear straight pipe section is arranged is fixedly erected on the first supporting plate, the end where the water outlet of the front straight pipe section is arranged is erected on the second supporting plate, a base is arranged on the workbench between the first supporting plate and the second supporting plate in a sliding manner along the length direction of the workbench, a bottom plate is arranged above the base, two lifting oil cylinders are symmetrically arranged at two ends of the base, piston rods of the lifting oil cylinders face upwards and are fixedly connected to the bottom surfaces of, two-way lead screws are rotatably arranged between the middle parts of the two connecting plates, clamping plates are sleeved on two thread sections of the two-way lead screws in a threaded manner, and inverted trapezoidal standing grooves are formed in the tops of the clamping plates.
Preferably, two T-shaped guide rails are symmetrically arranged on two sides of one end, close to the front straight pipe section, of the workbench, electric sliding blocks matched with the guide rails are arranged on two sides of the bottom of the second supporting plate and four corners of the bottom of the base, and the electric sliding blocks are connected to the guide rails in a sliding mode.
Preferably, one end of the bidirectional screw rod extends out of the corresponding connecting plate, and a handle is fixedly connected to the end face of the end of the bidirectional screw rod.
Preferably, two guide shafts are symmetrically arranged on two sides of the bidirectional screw rod, two ends of each guide shaft are fixedly connected to the corresponding connecting plates, and two sides of the bottom end of the clamping plate are sleeved on the corresponding guide shafts in a sliding mode.
The utility model has the advantages that: the utility model relates to a rationally, compact structure, the setting of three-way valve, can send back the detection water in the return line to first water tank, utilize the cooperation of the standard table on the return line to carry out the detection of standard table method, can send the detection water in the return line to the second water tank again, utilize the electronic scale to weigh back the back and send back to first water tank in again, the cooperation carries out the detection of static quality method, one set of main equipment and system of common use are detected with static quality method to standard table method promptly, need not to adopt two sets of standard devices, but greatly reduced detection cost and space occupancy.
The vertical filter screen that a plurality of mesh diameters in the rose chamber of the rose box that disappears degressive sets up, can realize the multi-stage filtration edulcoration to the detection water, can improve the edulcoration effect greatly, guarantees the quality of detection water, is favorable to improving the accuracy nature of testing result, and the connection dismantled of vertical filter screen simultaneously more conveniently maintains the change to vertical filter screen, guarantees the filtration edulcoration effect of vertical filter screen.
In addition, in the detected flowmeter clamping mechanism, two clamping plates provided with the inverted trapezoid placing grooves can be used for bearing and supporting the detected flowmeter, and the two clamping plates can be driven to be close to or far away from each other through forward and reverse rotation of the bidirectional screw rod, so that the detected flowmeters with different specifications and sizes can be loaded and supported, the detection requirement is met, the application range of the device is enlarged, and the use flexibility and convenience of the device can be greatly improved. Simultaneously, the setting of lift cylinder can realize the vertical removal of the flowmeter of examining, the sliding connection of base and workstation, can realize the lateral shifting of the flowmeter of examining, thereby can adjust the flowmeter of examining to target in place fast, make it and the accurate centering of back straight tube section, then utilize the sliding connection of second backup pad and workstation to adjust the position of preceding straight tube section, alright realize the concentric axial butt joint of the flowmeter of examining with preceding straight tube section and back straight tube section, easy operation is convenient, only need alone alright accomplish, can greatly reduced the operation degree of difficulty and the intensity of labour of the flowmeter clamping of examining, clamping efficiency and detection quality are improved.
Drawings
Fig. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of the sectional structure of the air-eliminating filter box of the present invention;
FIG. 3 is a schematic structural view of the air-purifying filter box of the present invention;
fig. 4 is a schematic structural view of the detected flowmeter clamping mechanism of the present invention;
fig. 5 is a schematic diagram of the structure of the detected flowmeter clamping mechanism in the right view;
fig. 6 is a schematic top view of the bottom plate of the present invention;
fig. 7 is a schematic structural view of the clamping plate of the present invention.
Reference numbers in the figures: 1 is a first water tank, 2 is a valve, 3 is a water pump, 4 is a pressure stabilizing tank, 5 is an air-eliminating filter tank, 6 is a telescopic corrugated pipe, 7 is a front straight pipe section, 8 is a detected flowmeter clamping mechanism, 9 is a rear straight pipe section, 10 is a return pipeline, 11 is a standard meter, 12 is an electronic scale, 13 is a second water tank, 14 is a three-way valve, 15 is a box body, 16 is a box cover, 17 is a partition plate, 18 is an exhaust chamber, 19 is a filter chamber, 20 is an exhaust valve, 21 is a lever, 22 is a floating ball, 23 is sealing liquid, 24 is a water inlet, 25 is a water outlet, 26 is a vertical filter screen, 27 is a sewage discharge pipe, 28 is a slot, 29 is a sealing door, 30 is a workbench, 31 is a first support plate, 32 is a guide rail, 33 is an electric slider, 34 is a second support plate, 35 is a base, 36 is a lifting oil cylinder, 37 is a bottom plate, 38 is a connecting plate, 39 is a two-way, 42 is a guide shaft, and 43 is a placing groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments:
as shown in fig. 1 to 7, a water flow calibration device comprises a first water tank 1, a water pump 3, a surge tank 4, a degassing filter tank 5, a front straight pipe section 7, a rear straight pipe section 9 and a return pipeline 10. The water outlet of the first water tank 1 is communicated with the water inlet of the water pump 3, the water outlet of the water pump 3 is communicated with the water inlet of the pressure stabilizing tank 4, the water outlet of the pressure stabilizing tank 4 is communicated with the water inlet 24 of the degassing filter tank 5, and the water outlet 25 of the degassing filter tank 5 is communicated with the water inlet of the front straight pipe section 7. The front straight pipe section 7 and the rear straight pipe section 9 are coaxial, and a gap exists between a water outlet of the front straight pipe section 7 and a water inlet of the rear straight pipe section 9, so that the detected flowmeter can be clamped. The water outlet of the rear straight pipe section 7 is communicated with the water inlet of the return pipeline 10 and is used for matching detection. The return line 10 is provided with a standard meter 11 for matching with standard meter method detection. The water outlet of the return line 10 is connected with a three-way valve 14. Electronic scale 12 is erected above one side of first water tank 1, be equipped with second water tank 13 on the electronic scale 12, two delivery ports of three-way valve 14 communicate with the water inlet of first water tank 1 and the water inlet of second water tank 13 respectively, the delivery port of second water tank 13 communicates with the water inlet of first water tank 1, and when in actual use, except the pipeline of three-way valve 14 and first water tank 1, second water tank 13 intercommunication, all the other each water inlets, the communicating pipeline of delivery port all is equipped with valve 2 on the road, be convenient for control individual pipeline break-make. When the device is used, the three-way valve 14 is utilized, detection water in the return pipeline 10 can be sent back to the first water tank 1, the standard meter 11 on the return pipeline 10 is matched for standard meter method detection, the detection water in the return pipeline 10 can be sent to the second water tank 13 firstly, the detection water is weighed by the electronic scale 12 and then sent back to the first water tank 1, and static mass method detection is carried out in a matched mode, namely the standard meter method detection and the static mass method detection share one set of main equipment and system, two sets of standard devices are not needed, and the detection cost and the space occupancy rate can be greatly reduced.
The degassing and filtering tank 5 comprises a tank body 15 with an open top and a tank cover 16 connected by flanges. A partition plate 17 is horizontally arranged in the upper part of the box body 15, the inner space of the box body 15 above the partition plate 17 is an exhaust chamber 18, and the inner space of the box body 15 below is a filter chamber 19, which are respectively used for removing gas and impurities in the water for detection. The exhaust chamber 18 is provided with an exhaust valve 20 on the side wall of the box body 15 for exhausting. The side wall of one side of the box body 15 corresponding to the filtering chamber 19 is provided with a water inlet 24, and the side wall of the other side is provided with a water outlet 25, which are used for water inlet and water outlet respectively. Interval just can dismantle in the filter chamber 19 and be equipped with a plurality of vertical filter screen 26, vertical filter screen 26's mesh diameter is steadilyd decrease in proper order by water inlet 24 to 25 directions of delivery port, can realize the multistage filtration edulcoration to the measuring water, can improve the edulcoration effect greatly, guarantees the quality of measuring water, is favorable to improving the accuracy nature of testing result, and the connection of dismantling of vertical filter screen 26 simultaneously more conveniently maintains vertical filter screen 26 and changes, guarantees vertical filter screen 26's filtration edulcoration effect. The bottom of the box body 15 corresponding to one side of the vertical filter screen 26 close to the water inlet 24 is provided with a sewage discharge pipe 27 with a valve 2, so that impurities filtered out of the detection water can be conveniently cleaned in the shutdown state.
In this embodiment, the exhaust chamber 18 contains the sealing liquid 23, and the float 22 is connected to the end of the exhaust valve 20 located in the exhaust chamber 18 through a lever 21, so that in use, as the detection water flows through the filtering chamber 19, the gas in the exhaust chamber is increased, so that the pressure is increased, and the interface of the sealing liquid is lowered. When the interface descends to a certain height, the floating ball 22 descends along with the interface, and the exhaust valve 20 is opened through the action of the lever 21, so that the gas is discharged. After the gas is discharged, the sealing liquid interface rises, the floating ball 22 rises along with the interface, so that the exhaust valve 20 is closed again, the more specific exhaust process and the working principle of the filter are the same as those of the conventional air elimination filter, and the filter belongs to the prior art and is not described in detail herein.
In this embodiment, all be equipped with slot 28 on the bottom in the box 15 that baffle 17 bottom that vertical filter screen 26's the top corresponds and vertical filter screen 26's bottom corresponds, make vertical filter screen 26's top, the bottom both ends can be pegged graft respectively in corresponding slot 28, the uncovered and articulated sealing door 29 that is equipped with in box 15 front end that filter chamber 19 corresponds simultaneously, make after the filter box 5 that disappears uses a period, sealing door 29 is opened to the accessible, take out original vertical filter screen 26 from corresponding slot 28, alright maintain vertical filter screen 26 and change, guarantee vertical filter screen 26's filtration edulcoration effect.
In this embodiment, the water inlet of the front straight pipe section 7 is communicated with the telescopic corrugated pipe 6, the telescopic corrugated pipe 6 is communicated with the water outlet 25 of the degassing filter box 5, the front straight pipe section 7 can axially move by utilizing the scalability of the telescopic corrugated pipe 6, and the clamping of the detected flowmeter can be conveniently completed in a matching manner.
In this embodiment, a to-be-tested flowmeter clamping mechanism 8 is arranged between the water outlet of the front straight pipe section 7 and the water inlet of the rear straight pipe section 9, and the to-be-tested flowmeter clamping mechanism 8 includes a workbench 30 arranged below the front straight pipe section 7 and the rear straight pipe section 9. One end of the workbench 30 close to the rear straight pipe section 9 is vertically and fixedly provided with a first supporting plate 31, the other end of the workbench slides along the length direction of the workbench and is vertically provided with a second supporting plate 34, the end where the water inlet of the rear straight pipe section 9 is located is fixedly erected on the first supporting plate 31, and the end where the water outlet of the front straight pipe section 7 is located is fixedly erected on the second supporting plate 34. A base 35 is arranged on the workbench 30 between the first supporting plate 31 and the second supporting plate 34 in a sliding manner along the length direction of the workbench, a bottom plate 37 is arranged above the base 35, two lifting cylinders 36 are symmetrically arranged at two ends of the base 35, and piston rods of the lifting cylinders 36 face upwards and are fixedly connected to the bottom surfaces of the corresponding bottom plates 37. The two ends of the top surface of the bottom plate 37 are respectively provided with a connecting plate 38, a two-way screw rod 39 is rotatably arranged between the middle parts of the two connecting plates 38, two thread sections of the two-way screw rod 39 are respectively sleeved with a clamping plate 40 in a threaded manner, and the top of the clamping plate 40 is provided with an inverted trapezoidal placement groove 43. During the use, two clamping boards of seting up standing groove 43 can be used for bearing the weight of and support the flowmeter of being examined, and just reverse rotation through two-way lead screw 39, alright drive two clamping boards 40 and be close to each other or keep away from to can load and support the not examined flowmeter of equidimension of different specifications, satisfy the measuring demand, enlarge device application range, can improve the use flexibility and the convenience of device greatly. Meanwhile, the vertical movement of the detected flowmeter can be realized due to the arrangement of the lifting oil cylinder 36, the base 35 is in sliding connection with the workbench 30, and the transverse movement of the detected flowmeter can be realized, so that the detected flowmeter can be quickly adjusted in place, and can be accurately centered with the rear straight pipe section 9, then the position of the front straight pipe section 7 is adjusted by the sliding connection of the second support plate 34 and the workbench 30, the concentric axial butt joint of the detected flowmeter with the front straight pipe section 7 and the rear straight pipe section 9 can be realized, the operation is simple and convenient, the operation can be finished by only one person, the operation difficulty and labor intensity of the clamping of the detected flowmeter can be greatly reduced, and the clamping efficiency and the detection quality are improved.
In this embodiment, two T-shaped guide rails 32 are symmetrically arranged on two sides of one end of the workbench 30 close to the front straight tube section 7, and two sides of the bottom of the second support plate 34 and four corners of the bottom of the base 35 are respectively provided with an electric slider 33 adapted to the guide rails 32, so that the second support plate 34 and the base 35 can be slidably connected to the guide rails 32 through the corresponding electric sliders 33, and the front straight tube section 7 and the detected flowmeter can move laterally in a matched manner.
In this embodiment, one end of the bidirectional screw 39 extends out of the corresponding connecting plate 38 and a handle 41 is fixedly connected to the end face of the end, so as to conveniently control the forward and backward rotation of the bidirectional screw 39. The bilateral symmetry of two-way lead screw 39 is equipped with two guiding axles 42, and the both ends fixed connection of guiding axle 42 is on corresponding connecting plate 38, and the bottom both sides of clamping board 40 all slide to cup joint on the guiding axle 42 that corresponds, utilizes guiding axle 42 can lead and spacing to the removal of clamping board 40, makes the removal of clamping board 40 more steady.
The utility model discloses a theory of operation: the utility model discloses when using, rotate two-way lead screw 39 through handle 41 earlier, according to the distance between the two dress splint 40 of the size adjustment who is examined the flowmeter, then will be examined the flowmeter and place on the standing groove 43 of two dress splint 40. Then, the vertical and horizontal movement of the detected flowmeter is realized through the action of the lifting oil cylinder 36 and the electric slide block 33, and the water outlet of the detected flowmeter is accurately aligned and attached to the water inlet of the rear straight pipe section 9. Then, the electric slide block 33 on the second support plate 34 is used for driving the second support plate 34 and the front straight pipe section 7 thereon to move towards the detected flowmeter until the water outlet of the second support plate is butted with the water inlet of the detected flowmeter, and the concentric axial butting of the detected flowmeter with the front straight pipe section 7 and the rear straight pipe section 9 is completed. Then, the valves 2 on the respective communication lines are opened to operate the respective devices, and the detection is started. When standard meter method detection is needed, the three-way valve 14 is communicated with a water inlet of the first water tank 1, detection water is pumped out from the first water tank 1 by the water pump 3, then sequentially flows through the pressure stabilizing tank 4, the degassing filter tank 5, the front straight pipe section 7, the detected flowmeter, the rear straight pipe section 9, the return pipeline 10, the standard meter 11 and the three-way valve 14 through all communication pipelines, finally flows back into the first water tank 1, and detection data of the detected flowmeter and the standard meter 11 are compared to finish detection of the detected flowmeter. When the static mass method detection is needed, the three-way valve 14 is communicated with a water inlet of the second water tank 13, detection water is pumped out by the water pump 3 from the first water tank 1, then flows through the pressure stabilizing tank 4, the degassing filter tank 5, the front straight pipe section 7, the detected flowmeter, the rear straight pipe section 9, the return pipeline 10, the standard meter 11 and the three-way valve 14 in sequence through the communication pipelines, flows into the second water tank 13, is weighed by the electronic scale 12 and then flows back into the first water tank 1, and the detection of the detected flowmeter is completed through the static mass method.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (9)
1. A water flow standard device comprises a first water tank, a water pump, a surge tank, a degassing filter tank, a front straight pipe section, a rear straight pipe section and a return pipeline, wherein a water outlet of the first water tank is communicated with a water inlet of the water pump, a water outlet of the water pump is communicated with a water inlet of the surge tank, a water outlet of the surge tank is communicated with a water inlet of the degassing filter tank, a water outlet of the degassing filter tank is communicated with a water inlet of the front straight pipe section, the front straight pipe section and the rear straight pipe section are coaxial, a gap exists between the water outlet of the front straight pipe section and the water inlet of the rear straight pipe section, and the water outlet of the rear straight pipe section is communicated with the water inlet of the return pipeline, the water outlet of the second water tank is communicated with the water inlet of the first water tank; the utility model discloses a box of filter tank, including the box that the top is uncovered and flange joint has the case lid, the level is equipped with the baffle in box upper portion, the box inner space of baffle top is the discharge chamber, the box inner space of below is the filter chamber, be equipped with discharge valve on the box lateral wall that the discharge chamber corresponds, be equipped with the delivery port on being equipped with water inlet, the opposite side lateral wall on the box lateral wall that the filter chamber corresponds, the interval just can be dismantled in the filter chamber and be equipped with a plurality of vertical filter screens, the mesh diameter of vertical filter screen is steadilyd decrease by water inlet to delivery port direction in proper order, the bottom half that one side that vertical filter screen is close.
2. The water flow rate standard device according to claim 1, wherein the exhaust chamber contains a sealing liquid, and a floating ball is connected to one end of the exhaust valve, which is positioned in the exhaust chamber, through a lever.
3. The water flow rate standard device according to claim 1, wherein slots are formed in the bottom of the partition plate corresponding to the top end of the vertical filter screen and the bottom of the box body corresponding to the bottom end of the vertical filter screen, and the top end and the bottom end of the vertical filter screen are respectively inserted into the corresponding slots.
4. The water flow rate standard device according to claim 1, wherein the front end of the box corresponding to the filtering chamber is open and is hinged with a sealing door.
5. The water flow rate standard device according to claim 1, wherein the front straight pipe section water inlet is communicated with a telescopic corrugated pipe, and the telescopic corrugated pipe is communicated with the degassing filter tank water outlet.
6. The water flow rate calibration device according to claim 1, wherein a to-be-tested flowmeter clamping mechanism is arranged between the water outlet of the front straight tube section and the water inlet of the rear straight tube section, the to-be-tested flowmeter clamping mechanism comprises a workbench arranged below the front straight tube section and the rear straight tube section, a first supporting plate is vertically and fixedly arranged at one end of the workbench close to the rear straight tube section, a second supporting plate is vertically and slidably arranged at the other end of the workbench along the length direction of the workbench, the end where the water inlet of the rear straight tube section is located is fixedly erected on the first supporting plate, the end where the water outlet of the front straight tube section is located is fixedly erected on the second supporting plate, a base is slidably arranged on the workbench between the first supporting plate and the second supporting plate along the length direction of the workbench, a bottom plate is arranged above the base, two lifting cylinders are symmetrically arranged at two ends of the base, piston rods of the, the bottom plate top surface all is equipped with the connecting plate on both ends, rotates between two connecting plate middle parts and is equipped with two-way lead screw, equal screw thread has cup jointed the clamping board on two screw thread sections of two-way lead screw, the trapezoidal standing groove of falling has been seted up to clamping board top.
7. The water flow rate standard device according to claim 6, wherein two T-shaped guide rails are symmetrically arranged on two sides of one end of the workbench close to the front straight pipe section, electric sliding blocks adapted to the guide rails are arranged on two sides of the bottom of the second support plate and four corners of the bottom of the base, and the electric sliding blocks are slidably connected to the guide rails.
8. The water flow rate standard device according to claim 6, wherein one end of the bidirectional screw rod extends out of the corresponding connecting plate and a handle is fixedly connected to the end surface of the end.
9. The water flow rate standard device according to claim 8, wherein two guide shafts are symmetrically arranged on two sides of the bidirectional screw rod, two ends of each guide shaft are fixedly connected to the corresponding connecting plate, and two sides of the bottom end of the clamping plate are slidably sleeved on the corresponding guide shafts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021519225.5U CN213120754U (en) | 2020-07-28 | 2020-07-28 | Water flow standard device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021519225.5U CN213120754U (en) | 2020-07-28 | 2020-07-28 | Water flow standard device |
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| CN213120754U true CN213120754U (en) | 2021-05-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113754273A (en) * | 2021-08-04 | 2021-12-07 | 阜阳市鑫盈田智能设备有限公司 | Optical fiber processing drawing equipment with uniform heating |
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2020
- 2020-07-28 CN CN202021519225.5U patent/CN213120754U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113754273A (en) * | 2021-08-04 | 2021-12-07 | 阜阳市鑫盈田智能设备有限公司 | Optical fiber processing drawing equipment with uniform heating |
| CN113754273B (en) * | 2021-08-04 | 2023-11-14 | 国网吉林省电力有限公司长春供电公司 | Drawing equipment for optical fiber processing with uniform heating |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |