CN217304014U

CN217304014U - Thrust and stroke detection device of electric heating actuator

Info

Publication number: CN217304014U
Application number: CN202220066635.1U
Authority: CN
Inventors: 李鹏飞
Original assignee: Zhejiang Zhongcai Pipes Science and Technology Co Ltd
Current assignee: Xinjiang Zhongcai Pipeline Co ltd
Priority date: 2022-01-11
Filing date: 2022-01-11
Publication date: 2022-08-26
Anticipated expiration: 2032-01-11

Abstract

The utility model discloses an electric heat actuator's thrust and stroke detection device, including base and scale post, the base cover is established in the scale post outside, and scale post and base mechanical clearance fit sliding connection are equipped with the vernier that is used for the reading to obtain the range in the scale post, and the vernier rotates with scale post mechanical clearance fit to be connected. The utility model provides an electric heat executor's thrust and stroke detection device can test limit thrust, can test the stroke in the load again, and this detection device obtains the electric heat executor performance that can the comprehensive description.

Description

Thrust and stroke detection device of electric heating actuator

Technical Field

The utility model belongs to the technical field of the executor detects technique and specifically relates to an electric heat executor's thrust and stroke detection device.

Background

The electric heating actuator is one of necessary components of an intelligent temperature control water distributor-collector in a floor heating system, and is used for controlling the on-off of branches of the water distributor-collector under the control of a temperature controller. In the actual use process, the electrothermal actuator often encounters the problems of insufficient thrust and too short stroke during loading, and finally causes that a valve is not tightly closed or the flow is too small, so that the thrust and the load stroke must be detected in the production process.

The existing testing instrument usually uses a universal mechanical testing machine, is expensive, occupies a large area, is complex to operate, not only needs a clamp with special design, but also needs to be provided with the clamp for each test, and has complicated steps; the existing testing instrument is generally limited to testing limit thrust in function, cannot test the stroke of the existing testing instrument in a load, and cannot comprehensively describe whether the performance of an electrothermal actuator reaches the standard or not.

For example, a "device for detecting the operation of an actuator", which is disclosed in chinese patent document No. CN110873091A, has a structure in which the device for detecting the operation of an actuator, in which the interior of a double-acting pneumatic cylinder of the actuator is partitioned into a 1 st pressure acting chamber and a 2 nd pressure acting chamber by a piston, and a piston rod is connected to an end surface of the piston on the 2 nd pressure acting chamber side, includes: a 1 st pressure detector and a 2 nd pressure detector for calculating a thrust force acting on the piston from pressures detected by the 1 st pressure detector and the 2 nd pressure detector and a pressure receiving area of the piston; and a microcomputer for monitoring the operation of the piston based on the thrust. The defects are that the thrust and the stroke of the electric heating actuator can not be detected at the same time, and whether the performance of the electric heating actuator reaches the standard or not is not described comprehensively.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming and can not detect electric heat executor's thrust and stroke simultaneously among the prior art, to whether the incomplete problem of description of up to standard of the performance of electric heat executor itself, provide an electric heat executor's thrust and stroke detection device, can test limit thrust, can test the stroke in the load again, obtain the electric heat executor performance that can the comprehensive description.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an electric heat executor's thrust and stroke detection device, includes base and scale post, the base cover is established in the scale post outside, scale post and base mechanical clearance fit sliding connection, be equipped with the vernier that is used for the reading to obtain the range in the scale post, vernier and scale post mechanical clearance fit. Through implementing above-mentioned technical scheme, overcome and can not detect electric heat executor's thrust and stroke simultaneously among the prior art, whether the performance to electric heat executor itself reaches standard and describes the problem incompletely, provide an electric heat executor's thrust and stroke detection device, can test limit thrust, can test the specific stroke of area load again, obtain the electric heat executor performance that can describe comprehensively. This application is an assembly part, by scale post, base, vernier, the mechanical clearance fit of triplex connects, simple to operate in the testing process, the dismouting of being convenient for, the use does not receive the restriction in place, whole clearance fit and threaded connection for machinery need not the tight requirement of clamp of screwdriver, spanner instrument, can directly obtain the range at the accurate reading of testing process according to the scale on the scale, and the precision of vernier is 0.05 mm. The vernier is arranged in the scale column, the vernier and the scale column are in clearance fit, and the vernier can rotate freely in the scale column. And (3) the scale column with the vernier arranged is arranged in the base, and the scale column and the base are in clearance fit, wherein the scale column can perform resistance-free reciprocating motion inside. The application designs an electric heating actuator thrust, stroke detection device for electric heating actuator manufacturer's the delivery of factory, purchasing personnel's warehouse entry, customer user's purchase detection occasion, has provided a simple and easy device that does not have special detection executor thrust and stroke on the existing market. Not only the dismouting is convenient, can accomplish to tear open promptly and use, does not basically have the place restriction. And can measure the stroke that the executor can reach under various loads according to the volume of placing the weight to scale on the scale can directly be read and read.

Preferably, the base is provided with an external thread, the actuator is provided with an internal thread matched with the external thread, and the base is connected with the actuator through the external thread and the internal thread. And the base is arranged on the actuator and is connected to the inner thread of the actuator through the outer thread of the base.

Preferably, the scale post includes a scale post contact portion for contacting the actuator, the scale post contact portion being provided at a tip end of the scale post. The scale post contact portion at the top end of the scale post is used for contacting with the actuator.

Preferably, the bottom of the scale column is provided with a weight support plate for stacking weights, and the weight support plate is welded on the scale column through a welding point. The welding face of scale post levels on falling on the geometric gravity center of weight backup pad, is difficult to slope and landing when making to stack the weight, and simple structure changes the mechanical sensor detection design of general use into the quality weight load, can test the electric heat executor stroke under the various loads of area, more accords with the in-service behavior of electric heat executor.

Preferably, the base is provided with a hexagonal boss structure for supporting and reinforcing and a middle hole for positioning the scale column. The hexagonal boss structure on the base is used for supporting and strengthening, and the middle hole on the base is used for positioning the scale column.

Preferably, the scale column is provided with a first scale.

Preferably, the first scale has an accuracy of 0.5 mm. The electric heating actuator pushes the scale column to work, the scales on the scale column are matched with the vernier to read, and the electric heating actuator has the precision of 0.5mm even if no vernier is arranged.

Preferably, the vernier is provided with a second scale.

Preferably, the second scale has an accuracy of 0.45 mm.

Preferably, the vernier is provided with an opening for reading the scale reading on the scale column. When the scale post moves up and down under the action of the actuator, the scale of the vernier 0 can correspondingly obtain a reading, the vernier obtains the reading with the precision of 0.05mm by utilizing the error amplification principle, and the reading of the scale on the scale post is read from the opening by rotating the vernier.

The utility model discloses following beneficial effect has: (1) the vernier scale is composed of a scale column, a base and a vernier, is convenient to disassemble and assemble, is not limited by places in use, is completely in mechanical clearance fit and threaded connection, and does not need the requirements of clamping tools and the like; (2) the electric heating actuator pushes the scale column to work, and the scales on the scale column are matched with the vernier to read, so that the precision of 0.5mm can be realized even if the vernier is not provided; (3) the stroke of the electric heating actuator under various loads can be tested, and the actual use condition of the electric heating actuator is better met; (4) simple structure changes the mechanical sensor detection design of general use into mass weight load.

Drawings

The present invention is further described with reference to the following figures and examples.

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a front view of the structure of the present invention;

fig. 3 is a structural sectional view of the present invention;

fig. 4 is a partial enlarged view of the present invention.

In the figure: scale post 1, scale post contact 1.1, first scale 1.2, welding point 1.3, weight backup pad 1.4, base 2, hexagonal boss structure 2.1, external screw thread 2.2, intermediate hole 2.3, vernier 3, second scale 3.1, opening 3.2.

Detailed Description

The first embodiment is as follows:

as shown in figure 1 or figure 2 or figure 3, a thrust and stroke detection device of an electric heating actuator comprises a base 2 and a scale column 1, wherein the base 2 is sleeved outside the scale column 1, the scale column 1 is in mechanical clearance fit sliding connection with the base 2, a vernier 3 used for reading to obtain a measuring range is arranged in the scale column 1, and the vernier 3 is in mechanical clearance fit rotating connection with the scale column 1. Be equipped with external screw thread 2.2 on the base 2, be equipped with the internal thread with external screw thread 2.2 adaptation on the executor, base 2 is connected with the executor through external screw thread 2.2 and internal thread. The scale post 1 is including being used for the scale post contact 1.1 with the executor contact, and scale post contact 1.1 sets up the top at scale post 1. The bottom of the scale column 1 is provided with a weight support plate 1.4 for stacking weights, and the weight support plate 1.4 is welded on the scale column 1 through a welding point 1.3. The base 2 is provided with a hexagonal boss structure 2.1 for supporting and strengthening and a middle hole 2.3 for positioning the scale column 1.

Among the above-mentioned technical scheme, through implementing above-mentioned technical scheme, overcome and can not detect electric actuator's thrust and stroke simultaneously among the prior art, whether the performance to electric actuator itself describes the problem not comprehensive up to standard, provide an electric actuator's thrust and stroke detection device, can test limit thrust, can test the specific stroke of taking the load again, obtain the electric actuator performance that can describe comprehensively. This application is an assembly part, by scale post 1, base 2, vernier 3, the three-part mechanical clearance fit is connected, simple to operate in the testing process, the dismouting of being convenient for, the restriction that does not receive the place is used, whole clearance fit and threaded connection for machinery need not the tight requirement of screwdriver, the clamp of wrench tool, can directly obtain the range at accurate reading in the testing process according to the scale on the scale, the precision of vernier is 0.05 mm. The vernier 3 is arranged in the scale column 1, and the vernier 3 and the scale column 1 are in clearance fit, wherein the vernier 3 can freely rotate in the scale column 1. The scale column 1 with the vernier 3 is arranged in the base 2, and the two are in clearance fit, wherein the scale column 1 can perform non-resistance reciprocating motion inside. The application designs an electric heating actuator thrust, stroke detection device for electric heating actuator manufacturer's the delivery of factory, purchasing personnel's warehouse entry, customer user's purchase detection occasion, has provided a simple and easy device that does not have special detection executor thrust and stroke on the existing market, adopts the ball screw device survey displacement distance of omnipotent mechanical tensile test machine device, tension sensor to measure thrust. Due to the special structure of the electric heating actuator, a special tool clamp needs to be designed during execution and inside the round hole, and the stroke and the thrust are difficult to directly go deep into the round hole to measure by utilizing a sensor. The control variable method is generally adopted for detection, the detection is not in accordance with the actual situation, a certain stroke is generally controlled, and the maximum thrust at the point is measured at the stroke; or in the unloaded condition, the maximum travel is measured. Meanwhile, the ball screw device and the mechanical sensor need specific equipment, so that the occupied area is large, the mechanical sensor needs to be connected with an engineering machine for use and specially-assigned training operation, the mechanical sensor is complex to assemble and disassemble, and the mechanical sensor is not beneficial to use in a production field. This scheme dismouting is not only convenient, can accomplish to tear open promptly and use, does not have the place restriction basically, can measure the executor and can reach the stroke under the various loads moreover according to what place the weight to scale on the scale that can the direct reading scale carries out the reading. The base 2 is installed on the actuator and is connected to the inner thread of the actuator through the outer thread of the base 2. The scale post contact part 1.1 at the top end of the scale post 1 is used for contacting with the actuator. The welding face of scale post 1 levels on falling on the geometric gravity center of weight backup pad 1.4, is difficult to slope and landing when making to stack the weight, and simple structure will the mechanical sensor detection design of general use change into the quality weight load, can test the electric heat executor stroke under the various loads of area, more accords with the in-service behavior of electric heat executor. Hexagonal boss structure 2.1 on base 2 is used for supporting the reinforcement, and well centre bore 2.3 on base 2 is used for positioning scale post 1.

The second embodiment is as follows:

as shown in fig. 4, in embodiment 1, a first scale 1.2 is provided on the scale post 1. The first scale 1.2 has an accuracy of 0.5 mm. The vernier 3 is provided with a second scale 3.1. The accuracy of the second scale 3.1 is 0.45 mm. The vernier 3 is provided with an opening 3.2 for reading the scale reading on the scale column 1.

Among the above-mentioned technical scheme, electric heat executor promotes scale post work, utilizes scale cooperation vernier 3 on the scale post 1 to carry out the reading, even no vernier 3 also possess 0.5 mm's precision. When the scale post 1 moves up and down under the action of the actuator, the scale of the vernier 0 can correspondingly obtain a reading, the vernier obtains the reading with the precision of 0.05mm by utilizing the error amplification principle, and the reading of the scale on the scale post 1 is read from the opening 3.2 by rotating the vernier 3.

The utility model discloses following beneficial effect has: (1) the vernier scale is composed of a scale column, a base and a vernier, is convenient to disassemble and assemble, is not limited by places in use, is in clearance fit and threaded connection with machinery, and does not need clamping and other requirements of tools; (2) the electric heating actuator pushes the scale column to work, and the scales on the scale column are matched with the vernier to read, so that the precision of 0.5mm can be realized even if the vernier is not provided; (3) the stroke of the electric heating actuator under various loads can be tested, and the actual use condition of the electric heating actuator is better met; (4) the structure is simple, and the detection design of a commonly used mechanical sensor is changed into a mass-weight load.

Claims

1. The utility model provides an electric heat executor's thrust and stroke detection device, includes base (2) and scale post (1), its characterized in that, base (2) cover is established in the scale post (1) outside, scale post (1) and base (2) mechanical clearance fit sliding connection, be equipped with in scale post (1) and be used for the reading to obtain vernier (3) of range, vernier (3) and scale post (1) mechanical clearance fit.

2. The device for detecting the thrust and the stroke of the electrothermal actuator according to claim 1, wherein the base (2) is provided with an external thread (2.2), the actuator is provided with an internal thread adapted to the external thread (2.2), and the base (2) is connected with the actuator through the external thread (2.2) and the internal thread.

3. A thrust and travel detection device of an electrothermal actuator according to claim 1, wherein the scale post (1) comprises a scale post contact portion (1.1) for contacting the actuator, the scale post contact portion (1.1) being provided at a tip end of the scale post (1).

4. The device for detecting the thrust and the stroke of the electrothermal actuator according to claim 3, wherein a weight support plate (1.4) for stacking weights is arranged at the bottom of the scale column (1), and the weight support plate (1.4) is welded on the scale column (1) through a welding point (1.3).

5. The device for detecting the thrust and the stroke of the electrothermal actuator according to claim 1 or 2, wherein the base (2) is provided with a hexagonal boss structure (2.1) for supporting reinforcement and a middle hole (2.3) for positioning the scale column (1).

6. The device for detecting the thrust and the stroke of the electrothermal actuator according to claim 4, wherein the scale column (1) is provided with a first scale (1.2).

7. A thrust and travel detection device of an electrothermal actuator according to claim 6, wherein the accuracy of the first scale (1.2) is 0.5 mm.

8. The device for detecting the thrust and the stroke of an electrothermal actuator according to claim 1, wherein the cursor (3) is provided with a second scale (3.1).

9. An electrothermal actuator thrust and stroke detection device according to claim 8, wherein the second scale (3.1) has an accuracy of 0.45 mm.

10. The device for detecting the thrust and the travel of an electrothermal actuator according to claim 1, wherein the cursor (3) is provided with an opening (3.2) for reading the scale reading on the scale column (1).