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CN-117824422-B - Diaphragm clamping device and method

CN117824422BCN 117824422 BCN117824422 BCN 117824422BCN-117824422-B

Abstract

The invention discloses a membrane clamping device and a method, wherein the clamping device comprises an external spline housing and an internal spline housing, the external spline housing comprises a rotating tube arranged on the outer tube wall of a high-pressure container, a plurality of external tooth platforms are annularly arranged at one end of the outer tube wall of the rotating tube, which is close to a transmitting tube, the internal spline housing comprises a fixed tube, a first mounting surface and a second mounting surface are arranged on the inner tube wall of the fixed tube, the first mounting surface is arranged on the outer tube wall of the transmitting tube, one end of the second mounting surface extends to the outer side of the rotating tube, a plurality of internal tooth platforms are annularly arranged at one end of the second mounting surface, the internal tooth platforms are staggered with the external tooth platforms, the external tooth platforms penetrate through the internal tooth platforms and are inserted into the inner side of the second mounting surface, then the rotating tube is rotated, so that the external tooth platforms and the internal tooth platforms are mutually overlapped on the same axis, the external spline housing and the internal spline housing are clamped together, and the rapid clamping of a membrane can be completed.

Inventors

  • ZHANG PENG
  • LI XIN
  • ZHANG PING
  • Yuan Hepeng
  • FU WENJUN

Assignees

  • 西安生淼机电科技有限责任公司

Dates

Publication Date
20260505
Application Date
20231229

Claims (7)

  1. 1. A diaphragm clamping device for connecting a high pressure vessel (7) and a launch tube (8) and clamping a diaphragm (25) between opposing faces of the high pressure vessel (7) and the launch tube (8), comprising: The external spline housing comprises a rotating pipe (1), the rotating pipe (1) is arranged on the outer pipe wall of the high-pressure container (7), and a plurality of external tooth platforms (2) are annularly arranged at one end, close to the transmitting pipe (8), of the outer pipe wall of the rotating pipe (1); The inner spline housing comprises a fixed pipe (3), a first mounting surface (4) and a second mounting surface (5) are arranged on the inner pipe wall of the fixed pipe (3), a stepped hole is formed in the fixed pipe (3), the first mounting surface (4) is arranged on the outer pipe wall of the transmitting pipe (8), and a plurality of inner tooth platforms (6) are annularly arranged at one end of the second mounting surface (5) extending to the outer side of the rotating pipe (1); The inner tooth table (6) and the outer tooth table (2) are staggered, the outer tooth table (2) is inserted into the inner side of the second mounting surface (5) through the inner tooth table (6), and is overlapped with the inner tooth table (6) after rotating, and the inner tooth table is used for clamping and connecting the external spline housing and the internal spline housing to finish the clamping action of the diaphragm (25); The membrane (25) is mounted between the high-pressure vessel (7) and the opposite face of the emitter tube (8) by a packaging assembly comprising: A plurality of fixing columns (24), wherein one ends of the fixing columns (24) are respectively arranged on the end face, close to the transmitting tube (8), of the high-pressure container (7); the elastic washer (16), the outer sidewall of the elastic washer (16) is provided with a plurality of first lifting lugs (17); the clamping ring (18), a plurality of second lifting lugs (19) are arranged on the outer side wall of the clamping ring (18); one end of the diaphragm (25) is provided with a plurality of through holes (20), and the number and the positions of the through holes (20), the first lifting lugs (17) and the second lifting lugs (19) are respectively corresponding to the fixed columns (24); the first lifting lug (17), the through hole (20) and the second lifting lug (19) are sequentially sleeved on the outer surface of the fixed column (24), and the elastic gasket (16) is in pressure connection with the end face of the high-pressure container (7); When the diaphragm (25) is in an unclamped state, the length of the fixing column (24) is smaller than the sum of the thicknesses of the elastic gasket (16), the diaphragm (25) and the compression ring (18); when the diaphragm (25) is in a clamped state, the length of the fixing column (24) is equal to the sum of the thicknesses of the elastic gasket (16), the diaphragm (25) and the clamp ring (18).
  2. 2. The membrane clamping device according to claim 1, wherein the bottom ends of the high-pressure container (7) and the transmitting tube (8) are respectively provided with a T-shaped support (9), and a screw rod lifter is arranged on the T-shaped support (9) at the bottom end of the high-pressure container (7) and used for driving the external spline housing to rotate; the screw lifter includes: a bracket (10), wherein the bracket (10) is arranged at the top end of the T-shaped support (9); the nut seat (11) is obliquely arranged on one side of the bracket (10); the screw rod (12), screw rod (12) are installed in nut seat (11), the both ends of screw rod (12) extend to respectively the outside of nut seat (11), hinge seat is installed to the one end that screw rod (12) is close to high pressure vessel (7), the other end of hinge seat is installed on the outer pipe wall of rotor tube (1).
  3. 3. A membrane clamping device according to claim 1, characterized in that a countersunk groove (21) is provided between the opposing faces of the high pressure vessel (7) and the emitter tube (8), the packaging assembly being mounted embedded in the countersunk groove (21); When the diaphragm (25) is in an unclamped state, the sum of the thicknesses of the elastic washer (16), the diaphragm (25) and the compression ring (18) is greater than the depth of the countersunk groove (21).
  4. 4. A membrane clamping device according to claim 1, wherein the ends of the high-pressure container (7) and the transmitting tube (8) are respectively provided with a flange plate (22) at opposite sides, and the flange plates (22) are used for positioning and mounting the external spline housing and the internal spline housing.
  5. 5. A diaphragm clamping arrangement according to claim 1, characterized in that the elastic washer (16) and the compression ring (18) are of the same size, the inner side wall of the elastic washer (16) being flush with the inner pipe wall of the high pressure vessel (7) such that the crimp of the diaphragm (25) is located outside the inner pipe wall of the high pressure vessel (7).
  6. 6. A membrane clamping device according to claim 2, characterized in that the hinge seat comprises a U-shaped frame (13) and a connecting plate (14), one end of the connecting plate (14) is arranged on the inner side of the U-shaped frame (13) through a pin shaft, and the other end of the connecting plate (14) is arranged in the middle of the outer tube wall of the rotating tube (1) along the horizontal direction; One side far away from the opening end of the U-shaped frame (13) is embedded and provided with a bearing (15), and the bearing (15) is sleeved on the outer surface of the screw rod (12).
  7. 7. A method of clamping a membrane, said membrane (25) being mounted in a clamped manner by means of a membrane clamping device according to any one of claims 1-6, characterized in that it comprises the steps of: S1, mounting the diaphragm (25) between the high-pressure container (7) and the opposite surface of the transmitting tube (8) through a packaging assembly, wherein a first lifting lug (17) positioned on the elastic gasket (16), a through hole (20) on the diaphragm (25) and a second lifting lug (19) on the compression ring (18) are sequentially sleeved on the outer surfaces of a plurality of fixing columns (24), and the elastic gasket (16) is pressed on the end surface of the high-pressure container (7); S2, inserting the external spline housing into the internal spline housing, so that the external gear (2) is inserted into the inner side of the second mounting surface (5) through the internal gear (6); S3, rotating the external spline housing, so that the external gear table (2) and the internal gear table (6) are mutually overlapped, and clamping connection is carried out on the external spline housing and the internal spline housing, so that the diaphragm (25) is installed between opposite surfaces of the high-pressure container (7) and the transmitting pipe (8) in a clamping mode.

Description

Diaphragm clamping device and method Technical Field The invention relates to a membrane clamping device and a method, in particular to a membrane clamping device and a method suitable for gunpowder driving and non-gunpowder driving light air cannons, and belongs to the technical field of ultrahigh-speed impact test devices. Background When installing the diaphragm, the diaphragm is installed on the axial end face of the high-pressure container, then the transmitting pipe is moved to be close to the diaphragm, the screw rod passes through the corresponding through hole on the flange, after the transmitting pipe is close to the diaphragm, the flat elastic cushion sleeve is sleeved on each screw rod in sequence, and the connection between the high-pressure container and the transmitting pipe and the clamping of the diaphragm are completed through the screwing of the nuts. However, the connection needs a plurality of screw nuts to be matched, in order to ensure that the sealing of the end face of the diaphragm is normal, the stress of each screw is the same, and if the stress of one screw is inconsistent with the stress of other screws, the sealing of the end face of the diaphragm is easy to cause problems, so that gas leaks when the high-pressure container is inflated. In view of the above, the present invention provides a membrane clamping device and a method. Disclosure of Invention The invention aims to provide a membrane clamping device and a membrane clamping method, which are used for solving the problems in the background technology. In order to achieve the above purpose, the present invention provides the following technical solutions: a diaphragm clamping device for connecting a high pressure vessel and a launch tube and clamping a diaphragm between opposing faces of the high pressure vessel and the launch tube, comprising: The external spline housing comprises a rotating pipe, the rotating pipe is arranged on the outer pipe wall of the high-pressure container, and a plurality of external tooth platforms are annularly arranged at one end, close to the transmitting pipe, of the outer pipe wall of the rotating pipe; The inner spline housing comprises a fixed pipe, a first mounting surface and a second mounting surface are arranged on the inner pipe wall of the fixed pipe, a stepped hole is formed in the fixed pipe, the first mounting surface is arranged on the outer pipe wall of the transmitting pipe, and a plurality of inner tooth platforms are annularly arranged at one end of the second mounting surface extending to the outer side of the rotating pipe; The inner tooth table and the outer tooth table are staggered, and the outer tooth table is inserted into the inner side of the second mounting surface through the inner tooth table, is overlapped with the inner tooth table after rotating and is used for clamping and connecting the outer spline housing and the inner spline housing; The diaphragm is mounted between the high pressure vessel and the opposite face of the emitter tube by a packaging assembly. Optionally, the bottom ends of the high-pressure container and the transmitting tube are both provided with a T-shaped support, the T-shaped support at the bottom end of the high-pressure container is provided with a screw rod lifter, and the screw rod lifter is used for driving the external spline housing to rotate; the screw lifter includes: the bracket is arranged at the top end of the T-shaped support; the nut seat is obliquely arranged on one side of the bracket; The screw rod is installed in the nut seat, the both ends of screw rod extend to respectively the outside of nut seat, the screw rod is close to the one end of high pressure vessel installs articulated seat, the other end of articulated seat is installed on the outer pipe wall of revolving tube. Optionally, the package assembly includes: one ends of the fixing columns are respectively arranged on the end face, close to the transmitting tube, of the high-pressure container; The outer side wall of the elastic gasket is provided with a plurality of first lifting lugs; the outer side wall of the compression ring is provided with a plurality of second lifting lugs; One end of the diaphragm is provided with a plurality of through holes, and the number and the positions of the through holes, the first lifting lugs and the second lifting lugs are respectively corresponding to the fixed columns; The first lifting lug, the through hole and the second lifting lug are sequentially sleeved on the outer surface of the fixed column, and the elastic gasket is in compression joint with the end face of the high-pressure container. Optionally, when the diaphragm is in an unclamped state, the length of the fixing column is smaller than the sum of the thicknesses of the elastic washer, the diaphragm and the compression ring; when the diaphragm is in a clamping state, the length of the fixing column is equal to the sum of the thicknesses of the elastic washer,