CN217194926U

CN217194926U - Full static pressure anchor clamps

Info

Publication number: CN217194926U
Application number: CN202220613646.7U
Authority: CN
Inventors: 牛虎斌
Original assignee: Shanxi Zhidian Technology Co ltd
Current assignee: Shanxi Zhidian Technology Co ltd
Priority date: 2022-03-21
Filing date: 2022-03-21
Publication date: 2022-08-16
Anticipated expiration: 2032-03-21

Abstract

The utility model discloses a full static pressure anchor clamps, including base (1), base (1) tail end is equipped with boss (2), axial gag lever post (4) is installed to boss (2) middle part screw thread, outer tip installation hand wheel (9) of axial gag lever post (4); the base (1) middle part is equipped with supporting seat (3), be equipped with full pressure hole passageway (12) in supporting seat (3), it is just right with axial gag lever post (4) terminal surface to press the import of hole passageway (12) entirely, the export of full pressure hole passageway (12) communicates with full crimping mouth (13) that are located base (1) bottom surface. The clamp is simple and quick to mount and reliable in performance, air leakage does not occur through repeated test demonstration, the whole test task can be completed by clamping once during use, manpower is saved, and efficiency is improved.

Description

Full static pressure anchor clamps

Technical Field

The utility model belongs to the technical field of the aviation annex, a gas detection anchor clamps that pressure is detected by the sensor is related to, specifically is a full static pressure anchor clamps.

Background

The air detection clamp leads out full-pressure and static-pressure air paths in a pressure sensor (airspeed head) so as to detect an atmospheric data system of an aircraft. The clamping and use of the gas detection clamp are required to be convenient, reliable and quick. Because the pressure of relevant aircraft is felt the shape strange and different by the sensilla, static pressure hole department is in slice lateral wall, and full pressure hole department is in cylindric front end, can't carry out the clamping test simultaneously with conventional anchor clamps, and original mechanical structure can't unite two into one, need to test with the clamping simultaneously of two kinds of different anchor clamps in different positions, and the clamping is loaded down with trivial details, and the reliability is poor.

Disclosure of Invention

The clamp aims at the problems that the existing clamps at home and abroad are poor in air tightness, unstable in measured data, poor in reliability, complex in clamp operation and large in artificial uncertain factor, and if an air leakage link is met, whether the clamping of the clamp occurs or not can not be judged quickly and accurately, and the test requirements cannot be met. The utility model aims at providing a full static pressure anchor clamps, this anchor clamps installation is simple quick, and the dependable performance through the repetition test argumentation, does not take place gas leakage phenomenon, clamping during the use, alright accomplish whole test task, uses manpower sparingly, raises the efficiency.

The utility model discloses an adopt following technical scheme to realize:

a full static pressure clamp comprises a base, wherein a boss is arranged at the tail end of the base, an axial limiting rod is installed in the middle of the boss in a threaded mode, and a hand wheel is installed at the outer end of the axial limiting rod; the base middle part is equipped with the supporting seat, be equipped with the total pressure hole passageway in the supporting seat, the inlet of total pressure hole passageway just faces with axial gag lever post terminal surface, the export of total pressure hole passageway communicates with the total crimping mouth that is located the base bottom surface.

Clamping grooves are symmetrically formed in two sides of the middle of the base, a screw rod I penetrates through the two clamping grooves, the screw rod I is movably mounted in the middle of the base, and opposite thread sections are arranged on the screw rod I; a small clamping piece is arranged in each clamping groove, the lower portions of the two small clamping pieces are respectively installed in the thread section of the screw rod I through threads and are matched and assembled with the clamping grooves, and small hand wheels are fixedly installed at the two ends of the screw rod I.

An axial support shaft is arranged in the center of the groove in the front of the base, two large clamping pieces which are arranged oppositely are hinged to the support shaft, the bottom ends of the two large clamping pieces are respectively assembled on two opposite thread sections of the screw rod II, and large hand wheels are fixedly installed at two ends of the screw rod II; one large clamping piece is communicated with a static pressure nozzle on the side surface.

During operation, the rotating hand wheel drives the axial limiting rod to move and then axially pushes the airspeed head tightly, and a full pressure hole is led out through a full pressure hole channel and a full pressure joint nozzle of the supporting seat. The small handwheel is rotated to drive the pair of small clamping pieces to move relatively to plug the water leakage holes at the two sides of the airspeed head. The large handwheel is rotated to drive the upper parts of the large clamping pieces to move relatively to clamp the side wall of the airspeed head, and the static pressure hole is led out through the static pressure nozzle.

The utility model relates to a rationally, this complete static pressure anchor clamps is effectual has solved that former anchor clamps are unable fixed, perhaps fixed insecure, must two sets of anchor clamps concurrent operation, a series of problems such as the loaded down with trivial details complicated reliability of work is poor. This full static pressure anchor clamps uses two sets of levogyration dextrorotation lead screws, makes sealed clamping piece can be simultaneously in opposite directions and back of the body motion, as long as rotate the runner during use, just can seal both sides hole simultaneously, with the very firm pressing of anchor clamps on the aircraft surface, the measurement process need not any manual work supplementary, whole test work can be accomplished to once dismantling of operating personnel clamping, laborsaving practical, has fine practical application and worth.

Drawings

Fig. 1 shows a side view of the total static pressure jig of the present invention.

Fig. 2 shows a left side view of fig. 1.

Fig. 3 shows a top view of the total static pressure jig of the present invention.

Fig. 4 shows an overall schematic view (from the tail to the front direction) of the total static clamp of the present invention.

Fig. 5 shows an overall schematic view (from the front to the rear direction) of the total static clamp according to the present invention.

Fig. 6 shows a schematic side view of the whole static pressure clamp according to the present invention.

In the figure: 1-base, 2-convex base, 3-supporting base, 4-axial limiting rod, 5-small clamping piece, 6-large clamping piece, 7-screw rod I, 8-screw rod II, 9-hand wheel, 10-small hand wheel, 11-large hand wheel, 12-full pressure hole channel, 13-full pressure joint nozzle, 14-static pressure joint nozzle, 15-supporting shaft, 16-clamping groove, 17-nut, 18-rubber gasket, 19-ring column, 20-screw and 21-sealing piece.

Detailed Description

The following describes in detail specific embodiments of the present invention with reference to the accompanying drawings.

The utility model provides a full static pressure anchor clamps, adopt the integrated design, adopt an anchor clamps can be simultaneously the clamping to total pressure and static pressure port, use new screw thread locking structure, anchor clamps internal design has two lead screws, half of adoption left-handed screw of lead screw, second half adopts the right-handed screw, when clockwise rotating the lead screw, the clamping piece can relative motion be sealed with the hole, when anticlockwise rotating the lead screw, the clamping piece can back of the body motion, open the clamping piece, this anchor clamps have utilized two sets of these mechanisms, make the hole of different axial can both swiftly seal, the anchor clamps design is exquisite, convenient and fast simple to use.

As shown in fig. 1 and 4, the structure comprises a base 1, a boss 2 is arranged at the tail end of the base 1, an axial limiting rod 4 is installed at the middle part of the boss 2 through threads, and a hand wheel 9 is installed at the outer end part of the axial limiting rod 4; the middle part of the base 1 is provided with a supporting seat 3, a full pressure hole channel 12 is arranged in the supporting seat 3, the inlet of the full pressure hole channel 12 is just opposite to the end surface of the axial limiting rod 4, and the outlet of the full pressure hole channel 12 is communicated with a full pressure joint nozzle 13 positioned on the bottom surface of the base 1.

As shown in fig. 6, two sides of the middle part of the base 1 are symmetrically provided with clamping grooves 16, a screw rod I7 penetrates through the two clamping grooves 16, the screw rod I7 is movably arranged at the middle part of the base 1, and opposite thread sections are arranged on the screw rod I7; a small clamping piece 5 is arranged in each clamping groove 16, the lower parts of the two small clamping pieces 5 are respectively installed on the thread section of the screw rod I7 through threads and are matched and assembled with the clamping grooves 16, and namely the small clamping pieces 5 move along the groove direction. And small hand wheels 10 are fixedly arranged at two ends of the screw rod I7.

As shown in fig. 2 and 4, an axial support shaft 15 is arranged at the center of a slot in the front of the base 1, and two large clamping pieces 6 arranged oppositely are hinged on the support shaft 15, namely, the middle parts of the two large clamping pieces 6 are sleeved on the support shaft 15 together and limited by nuts 17. The bottom ends of the two large clamping pieces 6 are respectively assembled on two opposite thread sections of the screw rod II 8, and the bottom of each large clamping piece 6 is specifically designed to be assembled with a ring column 19 through a screw 20, and the ring column 19 is assembled on the thread section of the screw rod II 8 in a threaded manner. Two ends of the screw rod II 8 are fixedly provided with big hand wheels 11; one large clamping piece 6 is communicated with and provided with a static pressure nozzle 14 on the side surface.

When the full-pressure-hole sealing device is used specifically, the end part of the axial limiting rod 4, the clamping surfaces of the small clamping piece 5 and the large clamping piece 6 are respectively provided with a rubber gasket 18, and a sealing piece 21 is installed at the inlet of the full-pressure-hole channel 12.

When the device is used specifically, as shown in fig. 3 and 5, the pitot tube is firstly positioned on the axial limiting rod 4 and the supporting seat 3, the screwing hand wheel 9 drives the axial limiting rod 4 to move so as to axially push the pitot tube tightly, and the full pressure hole is led out through the full pressure connection nozzle 13. A small screwing hand wheel 10 (a screw rod I7 rotates) drives a pair of small clamping pieces 5 to move relatively and then close to plug water leakage holes in two sides of the airspeed tube. Then a large hand wheel 11 is screwed (a screw II 8 rotates) to drive the upper parts of the pair of large clamping pieces 6 to move relatively and then approach, the side wall of the airspeed head is clamped, and then the static pressure hole is led out through a static pressure nozzle 14. Conversely, the small hand wheel 10 and the large hand wheel 11 are rotated reversely to drive the pair of small clips 5 and the pair of large clips 6 to move backwards respectively.

The full-static-pressure clamp solves the problem that the existing clamp cannot clamp the surface of an aircraft, wherein two screw rods with left-handed threads and right-handed threads are adopted as core components, the strength and the toughness of the screw rods are kept in the most reasonable range through a heat treatment process, the use requirement is met, and meanwhile, two side holes of the aircraft are clamped, and the air tightness requirement of the test is met.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the detailed description is made with reference to the embodiments of the present invention, those skilled in the art should understand that the technical solutions of the present invention are modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the protection scope of the claims of the present invention.

Claims

1. A full static pressure anchor clamps which characterized in that: the device comprises a base (1), wherein a boss (2) is arranged at the tail end of the base (1), an axial limiting rod (4) is installed in the middle of the boss (2) in a threaded mode, and a hand wheel (9) is installed at the outer end of the axial limiting rod (4); a support seat (3) is arranged in the middle of the base (1), a full-pressure hole channel (12) is arranged in the support seat (3), an inlet of the full-pressure hole channel (12) is opposite to the end face of the axial limiting rod (4), and an outlet of the full-pressure hole channel (12) is communicated with a full-pressure joint nozzle (13) positioned on the bottom surface of the base (1);

clamping grooves (16) are symmetrically formed in two sides of the middle of the base (1), a screw rod I (7) penetrates through the two clamping grooves (16), the screw rod I (7) is movably mounted in the middle of the base (1), and opposite thread sections are arranged on the screw rod I (7); a small clamping piece (5) is arranged in each clamping groove (16), the lower parts of the two small clamping pieces (5) are respectively installed on the thread section of the screw rod I (7) through threads and are matched and assembled with the clamping grooves (16), and small hand wheels (10) are fixedly installed at the two ends of the screw rod I (7);

an axial supporting shaft (15) is arranged in the center of a groove formed in the front part of the base (1), two large clamping pieces (6) which are arranged oppositely are hinged on the supporting shaft (15), the bottom ends of the two large clamping pieces (6) are respectively assembled on two opposite thread sections of a screw rod II (8), and large hand wheels (11) are fixedly arranged at the two ends of the screw rod II (8); the side surface of one large clamping piece (6) is communicated with and provided with a static pressure nozzle (14).

2. A full hydrostatic clamp according to claim 1, wherein: the end part of the axial limiting rod (4), the small clamping piece (5) and the clamping surface of the large clamping piece (6) are all provided with rubber gaskets (18).

3. A full hydrostatic clamp according to claim 1 or claim 2, wherein: and a ring column (19) is assembled at the bottom of the large clamping piece (6), and the ring column (19) is assembled in a thread section of the screw rod II (8) in a threaded manner.

4. A full hydrostatic clamp according to claim 3, wherein: and a sealing member (21) is arranged at the inlet of the full pressure hole channel (12).