CN218726001U

CN218726001U - Connecting device for cloud-shaped lock tensile strength test

Info

Publication number: CN218726001U
Application number: CN202222586565.5U
Authority: CN
Inventors: 宋红梅; 边飞; 王彦喜; 魏攀; 刘跃
Original assignee: Shaanxi Aircraft Industry Co Ltd
Current assignee: Shaanxi Aircraft Industry Co Ltd
Priority date: 2022-09-28
Filing date: 2022-09-28
Publication date: 2023-03-24
Anticipated expiration: 2032-09-28

Abstract

The utility model belongs to the technical field of aviation standard component tensile strength acceptance test, and relates to a connecting device for a cloud-shaped lock tensile strength test, which comprises an upper step clamp, a lower step clamp and a core rod, wherein the upper step clamp is connected with the nut end of a cloud-shaped lock, the lower step clamp is provided with a cylindrical groove, the screw end of the cloud-shaped lock is arranged in the cylindrical groove, two sides of the lower step clamp are provided with threaded holes communicated with the cylindrical groove, the threaded holes are in one-to-one correspondence with the clamping groove positions of the end of the cloud-shaped lock screw rod, and the core rod passes through the threaded holes, the cylindrical groove and the clamping groove of the end of the cloud-shaped lock screw rod to connect the screw end of the cloud-shaped lock with the lower step clamp; the utility model overcomes device fixity and the not good problem of centering degree among the current tensile strength test.

Description

Connecting device for cloud-shaped lock tensile strength test

Technical Field

The utility model belongs to the technical field of aviation standard component tensile strength acceptance test, a experimental connecting device of cloud shape lock tensile strength is related to.

Background

According to the requirement of HB2-47-1983 cloud lock, the tensile strength test is carried out, and in the current test method, the existing tensile strength devices are directly connected by steel wires. The structural device is easy to slide off in the tensile strength test process, poor in stability and poor in centering degree. The steel wire is difficult to disassemble after being deformed, and the replacement of the devices with two specifications is inconvenient in the test process.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: the utility model overcomes device fixity and the not good problem of centering degree among the current tensile strength test provide one kind to the centering degree good, the fixity good, easy dismounting, and the experimental connecting device of the cloud shape lock tensile strength that interchangeability is better.

The technical scheme is as follows:

the utility model provides a connecting device that cloud shape lock tensile strength is experimental, includes upper step anchor clamps, lower step anchor clamps and plug, upper step anchor clamps are connected with the nut end of cloud shape lock, lower step anchor clamps on be provided with the cylinder groove, the screw rod end setting of cloud shape lock is in the cylinder inslot, lower step anchor clamps both sides be provided with the screw hole of cylinder groove intercommunication, screw hole and the draw-in groove position one-to-one of cloud shape lock screw rod end, the plug passes the screw hole, the cylinder groove and the draw-in groove of cloud shape lock screw rod end, is connected the screw rod end of cloud shape lock with lower step anchor clamps.

Further, the upper step anchor clamps 2 include testing machine connector and cloud shape lock nut end joint, the testing machine connects and is connected with external testing machine, cloud shape lock nut end joint be cylindrical cavity structure, its open end can be dismantled with the testing machine connector and be connected, the round hole has been seted up to its blind end, the round hole diameter is not less than the external diameter of cloud shape lock nut end, is not more than the external diameter of cloud shape lock nut end.

Further, still include the rubber pad, the rubber pad is upper end open-ended cylindrical cavity structure, the rubber pad encircle to set up the screw rod end surface at cloud shape lock, and the screw rod end of rubber pad inner wall and cloud shape lock closely laminates, the rubber pad outer wall closely laminates with the cylinder inslot wall.

Furthermore, two through holes are formed in the side wall of the rubber pad, and the through holes correspond to the threaded holes one to one.

Furthermore, the outer surface of the core rod is provided with threads which are matched with the threaded hole.

Further, lower step anchor clamps include testing machine connector and cloud shape lock screw end joint, the connection can be dismantled in cloud shape lock screw end joint bottom to the testing machine connector, cloud shape lock screw end joint is last to be provided with the cylinder groove that is used for installing cloud shape lock screw end, be provided with on the cylinder groove lateral wall with cylinder groove intercommunication, symmetric distribution's screw hole.

Has the advantages that:

the utility model provides a connecting device for a cloud-shaped lock tensile strength test, wherein a lower step fixture adopts a device with a rubber pad, and the connecting device has better fixity and centering property in the tensile strength test process; the test piece is fixed by the core rod with threads at two ends, so that the shaking of the steel wire in the test process is changed; the threaded parts of the two kinds of core rods are consistent in size, and the working part has two specifications, so that the core rods with the two specifications can be replaced mutually. The centering degree, fixity, dismouting flexibility, interchangeability in the tensile strength test have been improved.

Drawings

FIG. 1 is a schematic view of a cloud lock structure;

FIG. 2 is a schematic view of a cloud-shaped lock pulling device;

FIG. 3 is a schematic view of a lower clamp structure of a cloud-shaped lock pulling device;

wherein: 1. the core rod assembly comprises a cloud-shaped lock, 2, an upper step clamp, 3, a lower step clamp, 4, a rubber pad and 5, a core rod.

The specific implementation mode is as follows:

the tensile strength test device of the cloud-shaped lock of the utility model is explained in detail with the attached drawings:

as shown in fig. 2-3, the utility model provides a tensile strength test device of cloud-shaped lock, including following cloud-shaped lock 1, upper step anchor clamps 2, lower step anchor clamps 3, rubber pad 4, both ends threaded plug 5. The upper step clamp 2 is connected with a nut end of the cloud-shaped lock 1, a cylindrical groove is formed in the lower step clamp 3, a screw end of the cloud-shaped lock 1 is arranged in the cylindrical groove, threaded holes communicated with the cylindrical groove are formed in two sides of the lower step clamp 2, the threaded holes correspond to clamping grooves of the screw end of the cloud-shaped lock 1 in a one-to-one mode, and the core rod 5 penetrates through the threaded holes, the cylindrical groove and the clamping grooves of the screw end of the cloud-shaped lock 1 to connect the screw end of the cloud-shaped lock 1 with the lower step clamp 3.

In this embodiment, the upper step anchor clamps 2 include testing machine connector and 1 nut end connector of cloud shape lock, the testing machine connector is connected with external testing machine, 1 nut end connector of cloud shape lock be cylindrical cavity structure, its open end can be dismantled with the testing machine connector and be connected, the round hole has been seted up to its blind end, the round hole diameter is not less than the external diameter of 1 screw rod end of cloud shape lock, is not more than the external diameter of 1 nut end of cloud shape lock.

In this embodiment, rubber pad 4 is the cylindrical cavity structure of upper end open-ended, rubber pad 4 encircle to set up the screw rod end surface at

cloud shape lock

1, and 4 inner walls of rubber pad closely laminate with the screw rod end of

cloud shape lock

1, 4 outer walls of rubber pad closely laminate with the cylinder inslot wall.

In this embodiment, two through holes are arranged on the side wall of the rubber pad 4, and the through holes correspond to the positions of the threaded holes one by one.

In this embodiment, the outer surface of the core rod 5 is provided with threads, which are matched with the threaded hole.

In this embodiment, lower step anchor clamps 3 include testing machine connector and 1 screw rod end joint of cloud shape lock, the connection can be dismantled in 1 screw rod end joint bottom of cloud shape lock to the testing machine connector, is provided with the cylinder groove that is used for installing 1 screw rod end of cloud shape lock on the 1 screw rod end joint of cloud shape lock, be provided with on the cylinder groove lateral wall with cylinder groove intercommunication, symmetric distribution's screw hole.

As shown in fig. 1, a cloud lock structure diagram in the prior art includes two specifications of phi 8 and phi 10, an upper stepped clamp 2 and a lower stepped clamp 3 of the two specifications are required in a strength tensile load test, a core rod 4 with threads at two ends of the two specifications and a rubber pad 5 of the two specifications are required.

In the tensile strength test process of the cloud lock 1 of any specification, the upper step type clamp 2 of two specifications is used for fixing the upper step type clamp 2, and the lower step type clamp 3 can be shared by adopting rubber pads 4 of different specifications and core rods 5 of different specifications with threads at two ends. The rubber pad 4 is used for fixing the cloud-shaped lock 1, so that the centering degree is ensured, and test pieces of two specifications can be freely replaced; the threaded portions of the two sizes of core rods 5 are identical at both ends, and the working portions are distinguished. The threads at the two ends play a role in convenient fixation and disassembly. The head parts of two ends of the core rod 5 in fig. 3 are provided with straight grooves, so that a straight screwdriver can conveniently install the core rod 5, and the rear core rod 5 is in threaded connection with the two ends of the lower step clamp 3 in fig. 2 after being perforated.

The clamping groove of the cloud-shaped lock 1 in the figure 1 is fixed through the threaded core rod 5 in the figure 3, after the clamping groove of the cloud-shaped lock 1 rotates on the core rod 5 for 90 degrees, the cloud-shaped lock 5 is connected with the lower step type clamp 3, the screw end of the cloud-shaped lock 1 penetrates through the hole of the upper step type clamp 2 in the figure 2, the screw cap end of the cloud-shaped lock 1 cannot penetrate through the hole, the screw cap end of the cloud-shaped lock 1 is connected with the upper step type clamp, the outer surface of the screw end of the cloud-shaped lock 1 wraps the rubber pad 4 in the figure 3, the clamping groove of the screw end of the cloud-shaped lock 1 rotates on the core rod 5 clockwise for 90 degrees and is connected, and the screw end of the cloud-shaped lock 1 is embedded into the lower step type clamp 3 in the figure 2.

In the test process, the end of a screw rod of the cloud-shaped lock 1 penetrates through a round hole of the upper step clamp 2, a screw cap of the cloud-shaped lock is connected with the upper step clamp 2, a core rod 5 penetrates through a threaded hole of the lower step clamp 3 and is connected with the lower step clamp 3 through threads, the end of the screw rod of the cloud-shaped lock 1 is sleeved with a rubber pad 4, and a clamping groove at the end of the screw rod of the cloud-shaped lock 1 is embedded into the core rod 5, rotates 90 degrees and is connected with the lower step clamp 3. And the upper step clamp 2 and the lower step clamp 3 are linked with a testing machine and then are subjected to a tensile strength test.

Claims

1. The utility model provides a cloud shape lock tensile strength test's connecting device which characterized in that: the cloud lock screw rod clamping device comprises an upper step clamp, a lower step clamp and a core rod, wherein the upper step clamp is connected with a screw cap end of a cloud lock, a cylindrical groove is formed in the lower step clamp, a screw rod end of the cloud lock is arranged in the cylindrical groove, threaded holes communicated with the cylindrical groove are formed in two sides of the lower step clamp, the threaded holes correspond to clamping grooves in the end of a cloud lock screw rod in a one-to-one mode, and the core rod penetrates through the threaded holes, the cylindrical groove and the clamping grooves in the end of the cloud lock screw rod to connect the screw rod end of the cloud lock with the lower step clamp.

2. The connecting device for the cloud-shaped lock tensile strength test according to claim 1, wherein: the upper step anchor clamps include testing machine connector and cloud shape lock nut end joint, the testing machine connects and is connected with external testing machine, cloud shape lock nut end joint be cylindrical cavity structure, its open end can be dismantled with the testing machine connector and be connected, the round hole has been seted up to its blind end, the round hole diameter is not less than the external diameter of cloud shape lock nut end, is not more than the external diameter of cloud shape lock nut end.

3. The connecting device for the cloud-shaped lock tensile strength test according to claim 1, wherein: the cloud-shaped lock is characterized by further comprising a rubber pad, the rubber pad is of a cylindrical cavity structure with an opening at the upper end, the rubber pad surrounds the outer surface of the screw end of the cloud-shaped lock, the inner wall of the rubber pad is tightly attached to the screw end of the cloud-shaped lock, and the outer wall of the rubber pad is tightly attached to the inner wall of the cylindrical groove.

4. The connecting device for the cloud-shaped lock tensile strength test according to claim 3, wherein: two through holes are formed in the side wall of the rubber pad and correspond to the threaded holes one to one.

5. The connecting device for the cloud-shaped lock tensile strength test according to claim 1, wherein: the outer surface of the core rod is provided with threads which are matched with the threaded hole.

6. The connecting device for the cloud-shaped lock tensile strength test according to claim 1, wherein: lower step anchor clamps include testing machine connector and cloud shape lock screwed rod end joint, the connection can be dismantled in cloud shape lock screwed rod end joint bottom to the testing machine connector, cloud shape lock screwed rod end joint is last to be provided with the cylinder groove that is used for installing cloud shape lock screwed rod end, be provided with on the cylinder groove lateral wall with cylinder groove intercommunication, symmetric distribution's screw hole.