CN214066407U

CN214066407U - Central diaphragm tensioning device of nuclear power transmitter

Info

Publication number: CN214066407U
Application number: CN202022615056.1U
Authority: CN
Inventors: 吴延兵; 胡慧峰; 渝立川
Original assignee: Chongqing Silian Measure & Control Technology Co ltd
Current assignee: Chongqing Silian Measure & Control Technology Co ltd
Priority date: 2020-11-12
Filing date: 2020-11-12
Publication date: 2021-08-27
Anticipated expiration: 2030-11-12

Abstract

The utility model discloses a central diaphragm tensioning device of a nuclear power transmitter, in particular to the technical field of tensioning devices, which comprises a clamp body, a supporting platform, a force transmission device and a central diaphragm, wherein the clamp body is fixedly arranged on the supporting platform, a clamp seat is fixedly arranged on the clamp body, a boss is arranged in the clamp seat and is used for installing the central diaphragm, a tensioning assembly is arranged in the clamp seat and comprises a pre-tightening part and a tensioning part, the pre-tightening part is in threaded connection with the clamp seat, the tensioning part is in threaded connection with the pre-tightening part, a pit is arranged at the position of the boss opposite to the tensioning part, the force transmission device is in clamping connection with the upper part of the clamp body, the utility model has simple structure and convenient use, can improve the tensioning precision and the one-to-one property of the central diaphragm and improve the production efficiency, the practicability is strong.

Description

Central diaphragm tensioning device of nuclear power transmitter

Technical Field

The utility model relates to a overspeed device tensioner technical field, more specifically say, the utility model relates to a nuclear power changer center diaphragm overspeed device tensioner.

Background

The central diaphragm is a tensioned elastic element which is subjected to a corresponding deformation displacement by a pressure difference acting on both sides thereof, the displacement being proportional to the pressure difference. The central diaphragm is the most initial and important measurement sensitive element, and various performances of the central diaphragm have direct influence on various technical indexes of the transmitter.

The high range of the nuclear power transmitter can be replaced by a thick film sheet, the low range of the nuclear power transmitter can only be replaced by a thin film sheet, otherwise, the external pressure is transmitted to the transmitter without output or incomplete output, and the use requirement cannot be met.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model provides a nuclear power changer center diaphragm overspeed device tensioner, easy operation, convenient to use can be so that diaphragm tensioning precision and uniformity, and the proof mass improves work efficiency.

In order to achieve the above object, the utility model provides a following technical scheme: nuclear power changer center diaphragm overspeed device tensioner, including the anchor clamps body, brace table, power transmission device and center diaphragm, the anchor clamps body fixed mounting be in on the brace table, fixed mounting has the anchor clamps seat on the anchor clamps body, be provided with the boss in the anchor clamps seat, the boss is used for installing center diaphragm, be provided with the tensioning subassembly in the anchor clamps seat, the tensioning subassembly includes pretension part and tensioning part, pretension part with anchor clamps seat threaded connection, tensioning part with pretension part threaded connection, power transmission device with the specific top joint of anchor clamps is connected.

Further, power transmission device includes bull stick, biography power axle, biography power piece and fixed plate, pass power the piece with the below of biography power axle is detachable fixed connection, the bull stick fixed mounting in the top of biography power axle, the biography power axle with fixed plate threaded connection, the fixed plate with the anchor clamps body joint is connected, it includes first biography power piece and second biography power piece to pass power the piece, first biography power piece be used for with the upper surface contact of pretension part, the second pass power piece be used for with the upper surface contact of tensioning part.

Further, the bottom of the fixture body and the installation position of the fixture seat are provided with first through holes which are communicated up and down and are used for bolts to pass through, the bottom of the fixture seat is provided with connecting holes matched with the through holes, and the bottom of the fixture body is provided with a second through hole fixedly connected with the support table.

Furthermore, a support column is arranged below the support table and fixedly installed below the support table.

Further, a concave pit is arranged at the position of the boss opposite to the tensioning part.

Compared with the prior art, the utility model discloses a technological effect and advantage:

the utility model discloses a set up pretension part and tensioning part, extrude pretension part and tensioning part through power transmission device, can carry out pretension and tensioning to central diaphragm, whether the tensioning detects the conformity after passing, and the nonconforming needs many diaphragms carry out the tensioning once more, and the tensioning up to central diaphragm meets the requirements, the utility model discloses can improve the tensioning precision and the uniformity of central diaphragm, guarantee the quality, improve work efficiency, the utility model discloses simple structure, convenient to use, the practicality is strong.

Drawings

FIG. 1 is a schematic diagram of a center membrane pretensioning structure.

Fig. 2 is a schematic diagram of a structure of a center diaphragm which is pre-tightened.

Fig. 3 is a schematic view of a central diaphragm tensioning arrangement.

Fig. 4 is a schematic view of the center diaphragm tensioning completion structure.

The reference signs are: 1. the clamp comprises a clamp body, 11 parts of a first through hole, 12 parts of a second through hole, 2 parts of a support table, 21 parts of a support column, 3 parts of a force transmission device, 31 parts of a rotating rod, 32 parts of a force transmission shaft, 331 parts of a first force transmission piece, 332 parts of a second force transmission piece, 34 parts of a fixing plate, 4 parts of a central diaphragm, 5 parts of a clamp seat, 51 parts of a connecting hole, 6 parts of a boss, 7 parts of a tensioning assembly, 71 parts of a pre-tensioning assembly and 72 parts of a tensioning assembly.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The central diaphragm tensioning device of the nuclear power transmitter shown in the attached figures 1-4 comprises a clamp body 1, a support table 2, a force transmission device 3 and a central diaphragm 4, wherein the clamp body 1 is fixedly mounted on the support table 2, a clamp seat 5 is fixedly mounted on the clamp body 1, a boss 6 is arranged in the clamp seat 5 and used for mounting the central diaphragm 4, a tensioning assembly 7 is arranged in the clamp seat 5, the tensioning assembly 7 comprises a pre-tensioning part 71 and a tensioning part 72, the pre-tensioning part 71 is in threaded connection with the clamp seat 5, the tensioning part 72 is in threaded connection with the pre-tensioning part 71, a pit is arranged at the position, opposite to the tensioning part 72, of the boss 6, and the force transmission device 3 is connected with the upper portion of the clamp body 1 in a clamping manner.

During actual use, the clamp body 1 is firstly installed on the support platform 2, the clamp seat 5 is fixedly installed on the clamp body 1, the central membrane 4 is placed on the boss 6 in the clamp seat 5, the pre-tightening part 71 is in threaded connection with the clamp seat 5 through the force transmission device 3, the lower surface of the pre-tightening part 71 is in contact with the central membrane 4, the pre-tightening part 71 and the boss 6 clamp the central membrane 4, the force transmission device 3 is taken out after the central membrane 4 is clamped, the tensioning part 72 is installed, the tensioning part 72 is in threaded connection with the pre-tightening part 71 through the force transmission device 3, the lower surface of the tensioning part 72 is in contact with the central membrane 4, and the central membrane 4 can be tensioned.

In this embodiment, the force transfer device 3 includes a rotating rod 31, a dowel shaft 32, a force transfer piece and a fixing plate 34, the force transfer piece is detachably fixed and connected with the below of the dowel shaft 32, the rotating rod 31 is fixedly installed above the dowel shaft 32, the dowel shaft 32 is in threaded connection with the fixing plate 34, the fixing plate 34 is connected with the clamp body 1 in a clamping manner, the force transfer piece includes a first force transfer piece 331 and a second force transfer piece 332, the first force transfer piece 331 is used for contacting with the upper surface of the pre-tightening component 71, and the second force transfer piece 332 is used for contacting with the upper surface of the pre-tightening component 72.

In practical use, when the central diaphragm 4 is pre-tightened, the lower part of the force transmission shaft 32 is fixedly connected with the first force transmission piece 331, the force transmission shaft 32 is in threaded connection with the fixing plate 34, the fixing plate 34 is clamped above the clamp body 1, the force transmission shaft 32 can rotate and move downwards by rotating the rotating rod 31 to drive the first force transmission piece 331 to move downwards, the first force transmission piece 331 downwards extrudes the pre-tightening part 71 to move downwards, the pre-tightening part 71 and the boss 6 jointly act to clamp the central diaphragm, the first force transmission piece 331 is taken out, the first force transmission piece 331 on the force transmission shaft is replaced by the second force transmission piece 332, the central diaphragm 4 is tensioned, the lower part of the force transmission shaft 32 is fixedly connected with the second force transmission piece 332, the force transmission shaft 32 is in threaded connection with the fixing plate 34, the fixing plate 34 is clamped above the clamp body 1, and the rotating rod 31 can rotate the force transmission shaft 32 to move downwards, the second force transmission member 332 is driven to move downwards, and the second force transmission member 332 moves downwards towards the tensioning member 72, so that the pre-tensioning member 721 and the boss 6 work together to tension the central membrane.

In this embodiment, the bottom of the fixture body 1 and the installation position of the fixture seat 5 are provided with a first through hole 11 which is through from top to bottom and is used for a bolt to pass through, the bottom of the fixture seat 5 is provided with a connecting hole 51 matched with the through hole, and the bottom of the fixture body 1 is provided with a second through hole 12 fixedly connected with the support table 2.

In this embodiment, a support column 21 is arranged below the support table 2, and the support column 21 is fixedly installed below the support table 2.

In this embodiment, a concave pit is provided at a position where the boss 6 is opposed to the tension member 72.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. Central diaphragm tensioning device of nuclear power transmitter, its characterized in that: including the anchor clamps body (1), brace table (2), power transmission device (3) and central diaphragm (4), the anchor clamps body (1) fixed mounting be in on brace table (2), fixed mounting has anchor clamps seat (5) on the anchor clamps body (1), be provided with boss (6) in anchor clamps seat (5), boss (6) are used for installing central diaphragm (4), be provided with tensioning subassembly (7) in anchor clamps seat (5), tensioning subassembly (7) include pretension part (71) and tensioning part (72), pretension part (71) with anchor clamps seat (5) contact connection, tensioning part (72) with pretension part (71) contact connection, power transmission device (3) are connected with the top joint of the anchor clamps body (1).

2. The nuclear power transmitter center diaphragm tensioning device of claim 1, wherein: force transfer device (3) are including bull stick (31), biography power axle (32), pass power piece and fixed plate (34), pass power piece with the below of biography power axle (32) is detachable fixed connection, bull stick (31) fixed mounting be in the top of biography power axle (32), biography power axle (32) with fixed plate (34) threaded connection, fixed plate (34) with the anchor clamps body (1) joint is connected, pass power piece including first biography power piece (331) and second pass power piece (332), first biography power piece (331) be used for with the upper surface contact of pretension part (71), second pass power piece (332) be used for with the upper surface contact of tensioning part (72).

3. The nuclear power transmitter center diaphragm tensioning device of claim 1, wherein: the bottom of the clamp body (1) and the mounting position of the clamp seat (5) are provided with a first through hole (11) which is communicated up and down and is used for a bolt to pass through, the bottom of the clamp seat (5) is provided with a connecting hole (51) matched with the through hole, and the bottom of the clamp body (1) is provided with a second through hole (12) fixedly connected with the support table (2).

4. The nuclear power transmitter center diaphragm tensioning device of claim 1, wherein: a support column (21) is arranged below the support table (2), and the support column (21) is fixedly arranged below the support table (2).

5. The nuclear power transmitter center diaphragm tensioning device of claim 1, wherein: a concave pit is arranged at the position of the boss (6) opposite to the tensioning part (72).