CN216791037U - Axial-flow pump blade placement angle measuring positioner - Google Patents
Axial-flow pump blade placement angle measuring positioner Download PDFInfo
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- CN216791037U CN216791037U CN202220264850.2U CN202220264850U CN216791037U CN 216791037 U CN216791037 U CN 216791037U CN 202220264850 U CN202220264850 U CN 202220264850U CN 216791037 U CN216791037 U CN 216791037U
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Abstract
The utility model discloses an axial flow pump blade placement angle measuring positioner, belonging to the technical field of axial flow pump matching tools, the positioner comprises: a main scale arranged along the vertical direction; the upper scale and the lower scale are arranged on the main scale in a sliding manner, and locking parts for locking the upper scale and the lower scale are respectively arranged on the upper scale and the lower scale; the adjusting piece is arranged between the upper scale and the lower scale, the distance between the upper scale and the lower scale is adjusted through the adjusting piece, and the upper scale and the lower scale are enabled to move synchronously, so that the purposes of improving the positioning accuracy of the blade placing angle of the axial flow pump, reducing the measuring and calculating times and errors and improving the working efficiency are achieved.
Description
Technical Field
The utility model belongs to the technical field of axial flow pump matching tools, and particularly relates to a positioning device for measuring the placement angle of an axial flow pump blade.
Background
In recent years, axial-flow type evaporation circulation pumps have been produced in large scale, the core component of the axial-flow type evaporation circulation pumps is an adjustable impeller, and the production and manufacturing of the adjustable impeller are synchronously increased, and about 200 pieces are produced each month.
The adjustable impeller is formed by combining a hub and 4 blades, the setting angles of the 4 blades are required to be determined and positioned uniformly according to the design technical requirements, otherwise, the parameter performance of the operation of the pump is influenced. Therefore, the measurement and positioning of the blade mounting angle of the axial flow pump are more critical. However, for a long time, when the blades are assembled, the highest point and the lowest point of the chord height (arc line) of the blades are measured by using a steel plate angle square or a straight ruler, and the angle is determined by using the difference value obtained by subtracting the height from the height. In the process, reading is measured, and repeated calculation is needed, when mass production and various product specifications are met, frequent measurement and calculation are needed, deviation and even errors of a mounting angle inevitably occur, so that the phenomenon that the angle deviation of the installed impeller is too large or too small frequently occurs in actual production, the performance test of the pump is unqualified, the impeller is required to be disassembled, the angle of the blade is required to be adjusted and corrected again, and a welding joint is required to be cut when the angle of the blade is adjusted again, and measurement, calculation and correction are carried out again. Based on the phenomenon, the product quality is influenced, and the production efficiency is reduced due to repeated labor.
Therefore, research and development of a matching device capable of conveniently and accurately measuring and positioning the mounting angle of the axial flow pump blade are urgently needed.
SUMMERY OF THE UTILITY MODEL
In view of the above, in order to solve the above problems in the prior art, the present invention provides an axial flow pump blade placement angle measuring positioner to achieve the purposes of improving the accuracy of axial flow pump blade placement angle positioning, reducing the number of measurement calculations and errors, and improving the working efficiency.
The technical scheme adopted by the utility model is as follows: an axial flow pump blade placement angle measuring positioner, the positioner comprising:
a main scale arranged along the vertical direction;
the upper scale and the lower scale are arranged on the main scale in a sliding manner, and locking parts for locking the upper scale and the lower scale are respectively arranged on the upper scale and the lower scale;
and the adjusting piece is arranged between the upper scale and the lower scale, and is used for adjusting the distance between the upper scale and the lower scale and enabling the upper scale and the lower scale to synchronously move.
Furthermore, one end of the main scale is fixedly connected with a base, and the main scale is vertically connected with the base;
the main scale is vertically fixed on the base and marked with scale sizes, and the main scale can be moved and slid along with the base, so that the reading error of deviation or inclination during measurement of the main scale is avoided.
Furthermore, the locking piece is a locking screw, and the upper scale and the lower scale are respectively in threaded connection with the locking screw;
the side face ends of the sliding grooves of the upper scale and the lower scale are provided with locking screws, and the locking screws can be locked and fixed at any position of the main scale according to the measuring requirement so as to meet the requirements of various temporary measurements and positioning.
Furthermore, a sliding groove is formed in the main scale along the vertical direction, and the upper scale and the lower scale are arranged on the main scale in a sliding mode through the sliding groove.
Further, the adjusting member includes:
the adjusting screw rod is arranged in parallel with the main scale, the upper scale and the adjusting screw rod are sleeved in a relative sliding mode, and the lower scale and the adjusting screw rod are fixedly connected;
and the adjusting nut is matched with the adjusting screw rod and is used for positioning and adjusting the upper scale.
Furthermore, the upper scale is provided with a sliding sleeve which is sleeved on the adjusting screw rod, and one end side of the sliding sleeve is abutted on the adjusting nut.
Further, one side of each of the upper scale and the lower scale is provided with a measuring end point in a pointed shape: the measuring ends of the upper scale and the lower scale are pointed, so that the center of a measuring point can be conveniently aligned during measurement and positioning.
The utility model has the beneficial effects that:
1. the axial flow pump blade mounting angle measuring positioner provided by the utility model can be used for measuring and positioning the adjustable impeller blade mounting angle of the axial flow pump and checking and verifying whether the blade mounting angle is correct after a pump operation test under the mutual matching of the upper scale and the lower scale, and can also be used for detection and rechecking of fixed impeller blades and scribing and measuring operation of other similar parts.
2. The axial flow pump blade placement angle measuring positioner provided by the utility model replaces the traditional steel plate angle square or straight ruler to repeatedly measure the chord height of the blade, can provide simple and quick judgment basis for measuring, positioning or marking and checking for operators such as a scriber, a part fitter, a quality inspector and the like, effectively reduces the error probability and greatly improves the working efficiency.
Drawings
FIG. 1 is a schematic view of the overall structure of an axial flow pump blade setting angle measuring positioner provided by the present invention;
FIG. 2 is a schematic structural diagram of an axial flow pump blade to be measured in the axial flow pump blade placement angle measuring positioner provided by the utility model;
FIG. 3 is a schematic view of the axial flow pump blade installation angle measuring positioner provided by the utility model in a state of actual measurement;
the drawings are labeled as follows:
the axial-flow pump blade comprises a base 1, a main scale 2, a lower scale 3, an upper scale 4, an adjusting screw 5, a sliding sleeve 6, an adjusting nut 7 and an axial-flow pump blade 8.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be further noted that the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless explicitly stated or limited otherwise; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood as specific cases to those of ordinary skill in the art; the drawings in the embodiments are used for clearly and completely describing the technical scheme in the embodiments of the utility model, and obviously, the described embodiments are a part of the embodiments of the utility model, but not all of the embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Example 1
This embodiment specifically provides an axial-flow pump blade angle of laying measurement locator, aims at improving the accuracy of axial-flow pump blade 8 angle of laying location through this measurement locator, reduces and measures calculation number of times and error, improves work efficiency.
This measurement locator mainly includes: several parts such as main scale 2, upper scale 4, subscript chi 3, regulating part and retaining member, wherein, main scale 2 is along vertical setting, personally submits perpendicular setting for the horizontal plane promptly, and main scale 2 and the usable old and useless slide caliper of upper and lower subscript chi 3 preparation, reduction in manufacturing cost. When practical application, the one end fixedly connected with base 1 of staff gage 2, and be perpendicular connection between staff gage 2 and base 1, with base 1 put on the subaerial of construction place can.
Slide on main scale 2 and be provided with scale 4 and subscript chi 3, can be equipped with the spout along vertical direction on main scale 2, just go up scale 4 and subscript chi 3 and locate through the spout slides on main scale 2, under the effect that sets up the spout, be favorable to guaranteeing the slip accuracy of scale 4 and subscript chi 3, prevent that its long-term slip from appearing the condition of off tracking. Locking parts for locking the upper scale 4 and the lower scale 3 are respectively arranged on the upper scale 4 and the lower scale 3, and the upper scale 4 and the lower scale 3 which slide to any positions can be locked and positioned under the action of the locking parts. In practical application, the locking piece is set as a locking screw, the upper scale 4 and the lower scale 3 are respectively in threaded connection with the locking screw, and when the locking screw is screwed, one end head of the locking screw can gradually abut against the main scale 2, so that the positions of the upper scale 4 and the lower scale 3 are locked.
In order to realize the function of the measuring positioner, the measuring positioner further comprises: and the adjusting piece is arranged between the upper scale 4 and the lower scale 3, and the adjusting piece is used for adjusting the distance between the upper scale 4 and the lower scale 3 and enabling the upper scale 4 and the lower scale 3 to synchronously move. Specifically, the regulating part includes: the adjusting device comprises an adjusting screw rod 5 and an adjusting nut 7, wherein the adjusting screw rod 5 (adjusting screw rod) and the main scale 2 are arranged in parallel, the upper scale 4 and the adjusting screw rod 5 are sleeved in a relative sliding mode (for example, a sliding sleeve 6 is fixedly arranged on one side of the upper scale 4, the sliding sleeve 6 is sleeved on the adjusting screw rod 5, and one end side of the sliding sleeve 6 abuts against the adjusting nut 7), so that the upper scale 4 can freely slide along the direction of the adjusting screw rod 5. Meanwhile, the lower scale 3 and the adjusting screw 5 are fixedly connected (for example, one side of the lower scale 3 is welded with the adjusting screw 5). A sliding sleeve 6 is arranged on the side end face of the upper scale 4, the sliding sleeve 6 is sleeved on the adjusting screw rod, and an adjusting nut 7 is arranged below the sliding sleeve 6; after the height difference value of the blades is determined, the upper ruler 4 and the lower ruler 3 are locked, and then the blades can move up or down synchronously along the adjusting screw 5, and the distance between the height difference values is kept unchanged so as to meet the requirements of impellers with different specifications and blades at the same angle.
The adjusting nut 7 is matched with the adjusting screw rod 5, the adjusting nut 7 is used for positioning and adjusting the upper scale 4, when the adjusting nut 7 is rotated, the adjusting nut 7 moves in the axial direction of the adjusting screw rod 5, and then the adjusting nut 7 pushes the upper scale 4 to move and space adjustment between the upper scale 4 and the lower scale 3 is achieved.
In order to facilitate the measurement of the highest point and the lowest point of the axial flow pump blade 8 by the measuring positioner, one side of each of the upper ruler 4 and the lower ruler 3 is provided with a pointed measuring end point.
Based on above-mentioned record axial-flow pump blade angle of repose measurement locator, its theory of operation does:
after the angle of the blade of the impeller is converted into a height difference value H, the upper ruler 3 and the lower ruler 3 slide along the main ruler 2 and are adjusted to a height difference value H between the upper ruler 4 and the lower ruler 3, and then are fixed through an adjusting nut 7;
aligning the lower ruler 3 to the center of the lower end (lower edge) of the blade and locking the lower ruler by a locking screw, moving the base 1 and aligning the upper ruler 4 to the center of the upper end (upper edge) of the blade, and continuously and properly adjusting the high and low parts of the blade in the process;
the angle of the blade can be determined until the upper ruler 3 and the lower ruler 3 are positioned at the center of the upper edge and the lower edge of the blade, the whole operation process is very simple, convenient and visual, and repeated calculation is not needed.
The measuring positioner can be used for measuring and positioning the mounting angle of the adjustable impeller blade of the axial flow pump, checking and verifying whether the mounting angle of the blade is correct after a pump operation test, and can also be used for detecting and rechecking the fixed impeller blade and marking and measuring other similar parts; the device can provide simple and quick judgment basis for measuring, positioning or marking and checking for operators such as scribers, part fitters, quality inspectors and the like, effectively reduces error probability, and greatly improves working efficiency.
Example 2
Based on the axial flow pump blade installation angle measuring positioner provided by embodiment 1, when the axial flow pump blade installation angle measuring positioner is designed in this embodiment, the size specification (generally, three specifications of large, medium and small, namely, one product series can be covered) can be adjusted according to the axial flow pump blade measurement positioning requirements of different specifications, but the structure and principle of the axial flow pump blade installation angle measuring positioner are not changed.
The utility model is not limited to the above alternative embodiments, and any other various forms of products can be obtained by anyone in the light of the present invention, but any changes in shape or structure thereof, which fall within the scope of the present invention as defined in the claims, fall within the scope of the present invention.
Claims (7)
1. The utility model provides an axial-flow pump blade angle of placement measures locator which characterized in that, this locator includes:
a main scale (2) arranged along the vertical direction;
the upper scale (4) and the lower scale (3) are arranged on the main scale (2) in a sliding manner, and locking parts for locking the upper scale (4) and the lower scale (3) are respectively arranged on the upper scale (4) and the lower scale (3);
locate go up the regulating part between scale (4) and lower scale (3), adjust the interval between scale (4) and lower scale (3) and make and go up scale (4) and make synchronous motion with lower scale (3) through this regulating part.
2. The axial flow pump blade setting angle measuring positioner according to claim 1, wherein one end of the main scale (2) is fixedly connected with the base (1), and the main scale (2) is vertically connected with the base (1).
3. The axial flow pump blade setting angle measuring positioner according to claim 1, wherein the locking member is a locking screw, and the locking screw is respectively connected to the upper scale (4) and the lower scale (3) in a threaded manner.
4. The axial flow pump blade setting angle measuring positioner according to claim 1, wherein a sliding groove is formed in the main scale (2) in the vertical direction, and the upper scale (4) and the lower scale (3) are slidably arranged on the main scale (2) through the sliding groove.
5. The axial flow pump blade setting angle measurement locator of claim 1, wherein the adjustment member comprises:
the adjusting screw rod (5) is arranged in parallel with the main scale (2), the upper scale (4) and the adjusting screw rod (5) are sleeved in a sliding mode, and the lower scale (3) and the adjusting screw rod (5) are fixedly connected;
and the adjusting nut (7) is matched with the adjusting screw rod (5), and the adjusting nut (7) is used for positioning and adjusting the upper scale (4).
6. The axial flow pump blade setting angle measuring positioner according to claim 5, wherein the upper scale (4) is provided with a sliding sleeve (6), the sliding sleeve (6) is sleeved on the adjusting screw (5), and one end side of the sliding sleeve (6) is abutted against the adjusting nut (7).
7. The axial flow pump blade setting angle measuring positioner according to claim 1, wherein one side of each of the upper scale (4) and the lower scale (3) is provided with a measuring end point in a pointed shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220264850.2U CN216791037U (en) | 2022-02-09 | 2022-02-09 | Axial-flow pump blade placement angle measuring positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220264850.2U CN216791037U (en) | 2022-02-09 | 2022-02-09 | Axial-flow pump blade placement angle measuring positioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216791037U true CN216791037U (en) | 2022-06-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220264850.2U Active CN216791037U (en) | 2022-02-09 | 2022-02-09 | Axial-flow pump blade placement angle measuring positioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216791037U (en) |
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- 2022-02-09 CN CN202220264850.2U patent/CN216791037U/en active Active
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