CN-117760606-B - Clamping ring holding force testing device and method

Abstract

The invention discloses a device and a method for testing the holding force of a clamping ring, wherein the device for testing the holding force of the clamping ring comprises the following components: the device comprises a first test mechanism, a second test mechanism and a clamping ring. The first test mechanism can be detachably fixed on a bottom plate of the experiment machine, the second test mechanism can be detachably fixed below a transverse shaft of the experiment machine and right above the first test mechanism, the second test mechanism can be abutted with the first test mechanism, and the clamping ring can be detachably arranged on an abutting position of the first test mechanism and the second test mechanism. Therefore, the clamping ring cohesion testing device is simple and reasonable in structure, and can realize clamping ring cohesion testing, so that the clamping ring assembly quality can be quantitatively evaluated.

Inventors

• WEI BO
• BAI ZHIFENG
• Qu Shanbo

Assignees

• 广西玉柴机器股份有限公司

Dates

Publication Date

20260505

Application Date

20231130

Claims (6)

1. 1. The utility model provides a testing arrangement of clasp force, its characterized in that includes: the first testing mechanism can be detachably fixed on a bottom plate of the experimental machine; a second test mechanism detachably fixed below the transverse shaft of the experimental machine and positioned right above the first test mechanism, the second test mechanism being capable of being abutted against the first test mechanism, and The clamping ring can be detachably arranged at the joint of the first test mechanism and the second test mechanism; wherein the first test mechanism comprises: the first fixing unit can be detachably fixed on the bottom plate of the experimental machine, and a first screw hole is formed in the top of the first fixing unit; the first clamping ring flange is screwed on the top of the first fixing unit through a first bolt; Wherein the second test mechanism comprises: The second fixing unit can be detachably fixed below the transverse shaft of the experimental machine, and a second screw hole is formed in the bottom of the second fixing unit; The second clamping ring flange is screwed on the bottom of the second fixing unit through a second bolt; The first testing mechanism is arranged on a bottom plate of the experiment machine and is fixed through a first bayonet lock; The second testing mechanism is arranged below the transverse shaft of the experimental machine and is fixed through a second bayonet lock, wherein the second testing mechanism is positioned right above the first testing mechanism; The force value of the experiment machine is cleared, and the transverse shaft is driven to move downwards, so that the second test mechanism is abutted with the first test mechanism; The displacement of the experimental machine is cleared, and the transverse shaft is driven to move upwards by a preset distance; The clamping ring is installed at the joint of the first test mechanism and the second test mechanism, and the nut on the clamping ring is screwed down to a preset torque; Wherein the experimental machine outputs and displays the force value.
2. 2. The device for testing the clamping force of the experimental machine according to claim 1, wherein the first fixing unit and the second fixing unit are cylindrical, a first pin hole is transversely formed in the first fixing unit, a second pin hole is transversely formed in the second fixing unit, the first pin hole is used for being correspondingly matched with a first bayonet lock on the bottom plate of the experimental machine, and the second pin hole is used for being correspondingly matched with a second bayonet lock below the transverse shaft of the experimental machine.
3. 3. The clamp-around tightening force testing device of claim 1, wherein the first clamp ring flange comprises: the first locking unit is cylindrical, the top of the first locking unit is of an opening structure, the bottom of the first locking unit is provided with a third screw hole which is used for correspondingly adapting to the first screw hole and the first bolt, and The first abutting unit is disc-shaped and fixed on the top of the first locking unit, and the middle part of the first abutting unit is of a hollow structure.
4. 4. The snap ring hugging force testing device of claim 3, wherein the second snap ring flange comprises: The second locking unit is cylindrical, the bottom of the second locking unit is of an opening structure, the top of the second locking unit is provided with a fourth screw hole which is used for correspondingly adapting to the second screw hole and the second bolt, and The second abutting unit is disc-shaped and fixed on the bottom of the second locking unit, and the middle part of the second abutting unit is of a hollow structure; The bottom of the second abutting unit can abut against the top of the first abutting unit, and the clamping ring can be detachably arranged on the abutting position of the first abutting unit and the second abutting unit.
5. 5. The snap ring tightening force testing device of claim 4, wherein the first locking unit has a diameter smaller than the first securing unit, the second locking unit has a diameter smaller than the second securing unit, and the first abutment unit has a diameter larger than the first locking unit, and the second abutment unit has a diameter larger than the second locking unit.
6. 6. The device for testing the clamping force of claim 1, wherein the first fixing unit and the first snap ring flange are integrally formed, and the second fixing unit and the second snap ring flange are integrally formed.

Description

Clamping ring holding force testing device and method Technical Field The invention relates to the technical field of clamp ring testing, in particular to a clamp ring holding force testing device and a clamp ring holding force testing method. Background The connection of the high temperature pipe on the engine is usually completed through a clamping ring, as shown in fig. 1, an air inlet pipe of the engine cooler is fixedly connected with the EGR cooler through the clamping ring, but the air leakage is frequently fed back when the engine is in hot test, so that the clamping force of the clamping ring on the high temperature pipe connection needs to be known in order to evaluate the assembly failure of the clamping ring connection, and no testing device and no testing method can test the clamping force of the clamping ring at present. The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art. Disclosure of Invention The invention aims to provide a device and a method for testing the clasping force of a clamping ring, which are simple and reasonable in structure, and can be used for testing the clasping force of the clamping ring, so that the assembly quality of the clamping ring can be quantitatively evaluated in a real-time manner. In order to achieve the above purpose, in a first aspect, the invention provides a device and a method for testing the clasping force of a clamping ring, wherein the device for testing the clasping force of the clamping ring comprises a first testing mechanism, a second testing mechanism and the clamping ring. The first test mechanism can be detachably fixed on a bottom plate of the experiment machine, the second test mechanism can be detachably fixed below a transverse shaft of the experiment machine and right above the first test mechanism, the second test mechanism can be abutted with the first test mechanism, and the clamping ring can be detachably arranged on an abutting position of the first test mechanism and the second test mechanism. In one embodiment of the invention, the first test mechanism comprises a first fixing unit and a first clamping ring flange. The first fixing unit can be detachably fixed on the bottom plate of the experimental machine, a first screw hole is formed in the top of the first fixing unit, and the first clamping ring flange is screwed on the top of the first fixing unit through a first bolt. In one embodiment of the invention, the second testing mechanism comprises a second fixing unit and a second clamping ring flange. The second fixing unit can be detachably fixed below the transverse shaft of the experimental machine, a second screw hole is formed in the bottom of the second fixing unit, and the second clamping ring flange is screwed on the bottom of the second fixing unit through a second bolt. In an embodiment of the invention, the first fixing unit and the second fixing unit are both cylindrical, a first pin hole is transversely formed in the first fixing unit, a second pin hole is transversely formed in the second fixing unit, the first pin hole is used for correspondingly adapting to a first bayonet lock on the bottom plate of the experimental machine, and the second pin hole is used for correspondingly adapting to a second bayonet lock below the transverse shaft of the experimental machine. In one embodiment of the invention, the first snap ring flange comprises a first locking unit and a first abutting unit. The first locking unit is cylindrical, the top of the first locking unit is of an opening structure, a third screw hole is formed in the bottom of the first locking unit, the third screw hole is used for correspondingly adapting to the first screw hole and the first bolt, the first abutting unit is of a disc shape and is fixed on the top of the first locking unit, and the middle of the first abutting unit is of a hollow structure. In one embodiment of the invention, the second snap ring flange comprises a second locking unit and a second abutting unit. The second locking unit is cylindrical, the bottom of the second locking unit is of an opening structure, a fourth screw hole is formed in the top of the second locking unit, the fourth screw hole is used for correspondingly adapting to the second screw hole and the second bolt, the second abutting unit is of a disc shape and is fixed to the bottom of the second locking unit, the middle of the second abutting unit is of a hollow structure, the bottom of the second abutting unit can abut against the top of the first abutting unit, and the clamping ring can be detachably installed on the abutting position of the first abutting unit and the second abutting unit. In an embodiment of the present invention, the diameter of the first locking unit