CN204165996U - A kind of Pitot tube fixator - Google Patents
A kind of Pitot tube fixator Download PDFInfo
- Publication number
- CN204165996U CN204165996U CN201420565309.0U CN201420565309U CN204165996U CN 204165996 U CN204165996 U CN 204165996U CN 201420565309 U CN201420565309 U CN 201420565309U CN 204165996 U CN204165996 U CN 204165996U
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- pitot tube
- block
- lower grip
- grip block
- outer fixture
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Abstract
A kind of Pitot tube fixator of the utility model, comprise gland, lower grip block, outer fixture block and internal clamping block, lower grip block is connected in gland, clamping knob installed by outer fixture block, screw thread mouth is provided with in the middle of gland, lower grip block also comprises notch, and outer fixture block comprises the hook corresponding with notch, and lower grip block can fill extension rod and pull bar.The Pitot tube fixator of this measuring channel wind speed is fixed on by the screw thread mouth of gland on the instrument connection of pipeline lower wall, Pitot tube is fixed by clamping knob, internal clamping block, lower grip block, outer fixture block, notch and hook, when measuring multiple some position in airduct, mobile simple to operate, thus improve accuracy, minimizing hand labor intensity, the easy accessibility of measuring channel wind speed, simultaneously arrange in pairs or groups extension rod and pull bar is scalable or extend by holding out against knob, solve the problem that people must face upward head operation, make measurement operate safety convenient more.
Description
Technical field
The utility model relates to the Pitot tube device of fixation measuring air velocity duct, especially a kind of Pitot tube fixator.
Background technology
Current in commercial production, daily life and office, adopt ventilation and air conditioning system to carry out environmental protect more and more and ensure safety in production (such as ventilation, dust pelletizing system).Ventilation and air conditioning system, after construction, must carry out the test of air quantity, adjustment and balancing work, to determine engineering construction quality and to guarantee that each place all can reach the technological parameter of design.In the test of air quantity, adjustment and balancing work, the mensuration of air velocity duct is primary work, and the method that accuracy is high and conventional in the test of air velocity duct is at present Pitot tube mensuration, namely in airduct steady air current place wind pipe wall on open instrument connection, Pitot tube measuring junction is inserted in instrument connection, measure the wind speed of difference position on an xsect in airduct, after averaging, calculate airduct air quantity.
During current on-the-spot test, tester must a hand-held Pitot tube, make Pitot tube vertical with wind pipe wall and the stagnation pressure gaging hole of Pitot tube must just to air-flow to, proficiency holds digital micromanometer (microbarograph is connected with Pitot tube by flexible pipe) in addition.When reading with hand keep the insertion depth of Pitot tube and direction constant, the time is slightly long, and tester's arm will be tired, and only fixes with hand and hold up steady, greatly have impact on last the accuracy surveying data.Because in-site measurement must record raw data simultaneously, a commissioning staff cannot realize carrying out record while measurement, and therefore airduct measuring wind speed must have two testers just can carry out.Simultaneously in order to ensure the accuracy of measuring, test point should be evenly distributed on whole airduct xsect, and the spacing of adjacent test point position generally can not be greater than 200mm, so just cause the test point quantity on airduct that sectional area is larger many, often be greater than 25 some positions, the workload of such tester will be very large.
Airduct is opened instrument connection be divided into and on sidewall, open instrument connection and open instrument connection on lower wall.Many levels inside buildings are moved towards airduct and are in close to position, roof (being be closed in furred ceiling) later, can only open instrument connection at its lower wall, tester must stand in the auxiliary equipment such as double ladder, traveling centering or hoistable platform and carry out measurement operation.Aloft during operation tester's two hands all for measuring operation, not only troublesome poeration, and add unsafe factor.Be be in airduct bottom time in addition owing to measuring, if operating position distance airduct is too near, people must face upward head operation, neither convenient operation, and too increases unsafe factor.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of in airduct lower wall perforate measuring wind, can be equipped with the Pitot tube fixator of extension rod simultaneously.
The technical scheme realizing the utility model object is: a kind of Pitot tube fixator, comprise gland, lower grip block, outer fixture block and internal clamping block, lower grip block is connected in gland, outer fixture block is positioned at the top of lower grip block, internal clamping block, between outer fixture block and lower grip block, clamping knob is installed by outer fixture block.
As prioritization scheme of the present utility model, in the middle of gland, be provided with screw thread mouth.
As prioritization scheme of the present utility model, internal clamping block comprises the upper holding tank of bottom and is positioned at the internal clamping block fixed bar at two ends, top, and internal clamping block fixed bar is movably connected on outer fixture block by internal clamping block nut through outer fixture block.
As prioritization scheme of the present utility model, lower grip block comprises the lower holding tank corresponding with upper holding tank.
As prioritization scheme of the present utility model, lower grip block also comprises even number notch.
As prioritization scheme of the present utility model, lower grip block also comprises the extension rod sleeve pipe at two ends.
As prioritization scheme of the present utility model, extension rod installed by extension rod sleeve pipe.
As prioritization scheme of the present utility model, Pitot tube fixator also comprises the sliding shoe coaxial with lower grip block.
As prioritization scheme of the present utility model, sliding shoe comprises lower fastening groove and symmetrical even number pickup groove, pull bar is arranged on sliding shoe, pull bar fixture is arranged on extension rod, described extension rod one end is arranged in extension rod sleeve pipe, and the other end is arranged in the sleeve of pull bar fixture through the sleeve of sliding shoe, pull bar fixture is installed and holds out against knob.
As prioritization scheme of the present utility model, outer fixture block comprises the hook corresponding with notch or pickup groove.
The utility model has positive effect: the Pitot tube fixator of this measuring channel wind speed is fixed on by the screw thread mouth of gland on the instrument connection of pipeline lower wall, pass through clamping knob, internal clamping block, lower grip block, outer fixture block, and notch and hook fix Pitot tube, when measuring multiple some position in airduct, mobile simple to operate, thus improve the accuracy of measuring channel wind speed, reduce hand labor intensity, easy accessibility, simultaneously arrange in pairs or groups extension rod and pull bar is scalable or extend by holding out against knob, solve the problem that people must face upward head operation, measurement is made to operate safety convenient more.
Accompanying drawing explanation
In order to make content of the present utility model more easily be clearly understood, below according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail:
Fig. 1 is structural drawing of the present utility model;
Fig. 2 is the structural drawing of internal clamping block and outer fixture block;
Fig. 3 is Pitot tube fixator extending mechanism schematic diagram;
Fig. 4 is example structure figure of the present utility model.
Wherein: 1, gland, 2, lower grip block, 3, outer fixture block, 4, internal clamping block, 5, clamping knob, 6, extension rod, 7, sliding shoe, 8, pull bar, 9, Pitot tube, 11, screw thread mouth, 22, notch, 23, extension rod sleeve pipe, 31, link up with, 41, upper holding tank, 42, internal clamping block fixed bar, 43, internal clamping block nut, 71, the sleeve of sliding shoe, 72, lower fastening groove, 73, pickup groove, 81, pull bar fixture, 811, the sleeve of pull bar fixture, 812, hold out against knob, 91, indicator stem.
Embodiment
As shown in Figure 1, the utility model is a kind of Pitot tube fixator, comprise gland 1, lower grip block 2, outer fixture block 3 and internal clamping block 4, lower grip block 2 is connected in gland 1, outer fixture block 3 is positioned at the top of lower grip block 2, internal clamping block 4, between outer fixture block 3 and lower grip block 2, clamping knob 5 is installed by outer fixture block 3.Wherein be provided with screw thread mouth 11 in the middle of gland 1.Airduct lower wall opens instrument connection, and instrument connection is screw thread form, during fixing Pitot tube 9, screw thread mouth 11 is stretched into instrument connection and tightens, thus gland 1 being fixed on wind pipe wall.
Be illustrated in figure 2 the structural drawing of internal clamping block and outer fixture block, wherein internal clamping block 4 comprises the upper holding tank 41 of bottom and is positioned at two internal clamping block fixed bars 42 at two ends, top, internal clamping block fixed bar 42 is through the round hole on outer fixture block 3, be movably connected on outer fixture block 3 by internal clamping block nut 43, internal clamping block both can slide up and down in fixture block outside, can not come off again.Wherein descend grip block 2 to comprise the lower holding tank corresponding with upper holding tank 41, wherein clamping knob 5 is through the screw thread mouth on outer fixture block 3, by holding out against internal clamping block, upper holding tank 41 and corresponding lower holding tank is fixedly clamped Pitot tube 9.As in Fig. 1, lower grip block 2 also comprises even number notch 22, be symmetrically distributed in the both sides of Pitot tube 9, outer fixture block 3 comprises the hook 31 corresponding with notch 22, hook 31 is inserted in notch 22 and also tangle downwards, the upper fixture block group be made up of internal clamping block 4 and outer fixture block 3 is fixedly connected on lower grip block 2.
Be illustrated in figure 3 Pitot tube fixator extending mechanism schematic diagram, lower grip block 2 also comprises the extension rod sleeve pipe 23 at two ends, extension rod sleeve pipe 23 is installed extension rod 6, Pitot tube fixator also comprises the sliding shoe 7 coaxial with lower grip block 2, sliding shoe 7 comprises lower fastening groove 72 and symmetrical even number pickup groove 73, pull bar 8 is arranged on sliding shoe 7, pull bar fixture 81 is arranged on extension rod 6, extension rod 6 one end is arranged in extension rod sleeve pipe 23, the other end is arranged in the sleeve 811 of pull bar fixture through the sleeve 71 of sliding shoe, pull bar fixture 81 is installed and holds out against knob 812.As shown in Figure 3, wherein two extension rods 6 installations are fixed on the extension rod sleeve pipe 23 of the lower grip block 2 shown in Fig. 1.Two sleeves 71 of sliding shoe 7 are enclosed within two extension rods 6, can slide thereon.Sliding shoe 7, with lower grip block 2, has symmetrical even number pickup groove 73 and lower fastening groove 72, and fixes the symmetrical perforate of two pull bars 8.Hook on outer fixture block 3 is inserted in pickup groove 73 and also tangles downwards, the upper fixture block group be made up of internal clamping block 4 and outer fixture block 3 is fixed on sliding shoe 7.Pull bar fixture 81 is symmetrical structure, is screwed in the end of extension rod 6, and its both sides have can through the perforate of pull bar.The end of pull bar 8 with a scale through after the perforate of pull bar 8, then is installed fixing in the perforate penetrating into sliding shoe 7.Holding out against knob 812 is movably arranged on pull bar fixture 81 side by screw thread, can unclamp and fastening pull bar 8 by holding out against knob 812.Drive sliding shoe 7 and Pitot tube 9 by mobile pull bar 8, thus realize Pitot tube 9 and move up and down.
Embodiment:
The enforcement illustration of the Pitot tube fixator not with extension rod measuring channel wind speed as shown in Figure 1, when installing and measuring the Pitot tube fixator of air velocity duct, first screw thread mouth 11 stretched into instrument connection and tighten, thus gland 1 is fixed on wind pipe wall, by the open interior of Pitot tube 9 through the screw thread mouth 11 of gland 1, and Pitot tube 9 is put into the lower holding tank of lower grip block 2, then the hook 31 on outer fixture block 3 inserted the bar shaped notch 22 on lower grip block 2 and tangle downwards, again the direction of indicator stem 91 is adjusted to after Pitot tube 9 is adjusted to test point position just to air-flow in pipeline come to, then clamping knob 5 is tightened, the measuring wind speed of a some position can be carried out.When changing next Point Measurement, only clamping knob 5 need be unclamped, tightening clamping knob 5 again after being moved into place by Pitot tube 9, the measuring wind speed of this some position can be carried out; After the test point position that instrument connection is corresponding is all measured, then according to the order contrary with installation, fixator is taken off, move on to another one instrument connection, then carry out the work of the fixing of Pitot tube 9 and measuring wind according to above-mentioned order.
The enforcement illustration that assembling extension rod carries out the Pitot tube fixator of measuring wind as shown in Figure 4.First extension rod 6 is fixed in extension rod sleeve pipe 23, then sliding shoe 7 and pull bar fixture 81 is installed respectively on extension rod 6.Again the end of the pull bar 8 of band scale is fixed through being inserted into after two side hole on pull bar fixture 81 in two side hole of sliding shoe 7 to install.By the open interior of Pitot tube 9 through the screw thread mouth of gland 1, and Pitot tube 9 is put into the lower fastening groove 72 of sliding shoe 7, then the hook 31 on outer fixture block 3 inserted the bar shaped pickup groove 73 on sliding shoe 7 and tangle downwards, then tightening clamping knob 5, Pitot tube 9 is clamped.After again the L-type elbow of Pitot tube 9 and screw thread mouth 11 being passed instrument connection successively, tighten gland 1, Pitot tube 9 is fixed on the instrument connection of airduct lower wall.Unclamp clamping knob 5 again, clamping knob 5 is tightened backward just to air-flow in pipeline in the direction of indicator stem 91 of adjustment Pitot tube 9.After utilizing pull bar 8 that Pitot tube 9 is moved to first test point position, tighten and pull bar fixture 81 holds out against knob 812, the test of first some position can be carried out, after first some bit test, unclamp and hold out against knob 812, utilize pull bar 8 move Pitot tube 9 to the second some position fixing after measure.After the test point position that instrument connection is corresponding is all measured, then according to the order contrary with installation, fixator is taken off, move on to another one instrument connection, then carry out the work of the fixing of Pitot tube 9 and measuring wind according to above-mentioned order
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a Pitot tube fixator, it is characterized in that: comprise gland (1), lower grip block (2), outer fixture block (3) and internal clamping block (4), described lower grip block (2) is connected in described gland (1), described outer fixture block (3) is positioned at the top of lower grip block (2), described internal clamping block (4) is positioned between outer fixture block (3) and lower grip block (2), and clamping knob (5) installed by described outer fixture block (3).
2. a kind of Pitot tube fixator according to claim 1, is characterized in that: be provided with screw thread mouth (11) in the middle of described gland (1).
3. a kind of Pitot tube fixator according to claim 1 and 2, it is characterized in that: described internal clamping block (4) comprises the upper holding tank (41) of bottom and is positioned at the internal clamping block fixed bar (42) at two ends, top, and internal clamping block fixed bar (42) is movably connected on outer fixture block (3) by internal clamping block nut (43) through outer fixture block (3).
4. a kind of Pitot tube fixator according to claim 1 and 2, is characterized in that: described lower grip block (2) comprises the lower holding tank corresponding with upper holding tank (41).
5. a kind of Pitot tube fixator according to claim 1 and 2, is characterized in that: described lower grip block (2) also comprises even number notch (22).
6. a kind of Pitot tube fixator according to claim 1 and 2, is characterized in that: described lower grip block (2) also comprises the extension rod sleeve pipe (23) at two ends.
7. a kind of Pitot tube fixator according to claim 6, is characterized in that: extension rod (6) installed by described extension rod sleeve pipe (23).
8. a kind of Pitot tube fixator according to claim 1 and 2, is characterized in that: described Pitot tube fixator also comprises the sliding shoe (7) coaxial with lower grip block (2).
9. a kind of Pitot tube fixator according to claim 8, it is characterized in that: described sliding shoe (7) comprises lower fastening groove (72) and symmetrical even number pickup groove (73), pull bar (8) is arranged on sliding shoe (7), pull bar fixture (81) is arranged on extension rod (6), described extension rod (6) one end is arranged in extension rod sleeve pipe (23), the other end is arranged in the sleeve (811) of pull bar fixture through the sleeve (71) of sliding shoe (7), the upper installation of pull bar fixture (81) holds out against knob (812).
10. a kind of Pitot tube fixator according to claim 1 and 2, is characterized in that: described outer fixture block (3) comprises the hook (31) corresponding with notch (22) or pickup groove (73).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420565309.0U CN204165996U (en) | 2014-09-28 | 2014-09-28 | A kind of Pitot tube fixator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420565309.0U CN204165996U (en) | 2014-09-28 | 2014-09-28 | A kind of Pitot tube fixator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204165996U true CN204165996U (en) | 2015-02-18 |
Family
ID=52539674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420565309.0U Expired - Fee Related CN204165996U (en) | 2014-09-28 | 2014-09-28 | A kind of Pitot tube fixator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204165996U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107525622A (en) * | 2017-09-19 | 2017-12-29 | 中国水利水电科学研究院 | L-type Pitot tube stationary positioned device |
-
2014
- 2014-09-28 CN CN201420565309.0U patent/CN204165996U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107525622A (en) * | 2017-09-19 | 2017-12-29 | 中国水利水电科学研究院 | L-type Pitot tube stationary positioned device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 210046 No. 9 Yaohua Menyaojia Road, Qixia District, Nanjing City, Jiangsu Province Co-patentee after: NANJING HUAJIAN INDUSTRIAL EQUIPMENT INSTALLATION DETECTION AND DEBUGGING Co.,Ltd. Patentee after: CHINA CONSTRUCTION INDUSTRIAL & ENERGY ENGINEERING GROUP Co.,Ltd. Address before: 210046 No. 9 Yaohua Menyaojia Road, Qixia District, Nanjing City, Jiangsu Province Co-patentee before: NANJING HUAJIAN INDUSTRIAL EQUIPMENT INSTALLATION DETECTION AND DEBUGGING Co.,Ltd. Patentee before: China Construction Installation Engineering Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150218 |