CN216846849U - Spring bolt durability test fixture of adjustable load - Google Patents

Abstract

The utility model provides a load-adjustable bolt durability test tool, which comprises a lock body, wherein a unscrewing device is installed on the lock body through a base II thread, a rotary reciprocating device is movably installed on a simulated lock catch through a bearing seat assembly II through a base I, and four corners of the base I are installed on the base II through long pillars; the simulation lock shelves are square, and simulation lock shelves one side is equipped with the opening, the both sides of simulation lock shelves open end are equipped with the jut, and the spring bolt that is equipped with on the lock body is arranged in on the jut, this device not only can detect the biggest load that bears of spring bolt, can also detect the flexibility that the spring bolt is rotatory under the state that bears the load the biggest.

Description

Spring bolt durability test fixture of adjustable load

Technical Field

The utility model belongs to the technical field of the spring bolt test, concretely relates to spring bolt durability test fixture of adjustable load.

Background

Chinese patent CN205580727U relates to an unlocking test mechanism, and belongs to the field of automobile part testing. Sensor and detection frock board fixed connection, the cylinder with detect frock board fixed connection, the cylinder detects the connecting plate fixed connection on the cylinder with the lock switch, the lock switch detects the connecting plate on the cylinder and is connected with spring bolt switch detection round pin reference position, spring bolt switch detection round pin detects round pin reference position with this spring bolt switch and is connected, lock body side guide block and detection frock board fixed connection, the bottom sprag piece with detect frock board fixed connection, lock body auxiliary positioning round pin passes the bottom sprag piece and detects frock board fixed connection, the lock body locating pin, spacer pin and bottom sprag piece fixed connection, stopper and detection frock board fixed connection. The utility model has the advantages that: novel structure is simple, accomplishes whole testing process on the testboard, has realized automated production, has practiced thrift test time, has saved the manpower.

The prior art can only detect whether the spring bolt can open and close in a flexible way, but can not detect the biggest loading power that the spring bolt can bear, the fastness of spring bolt promptly.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned problem in the prior art, the utility model aims at providing a spring bolt durability test fixture of adjustable load.

The utility model provides a following technical scheme:

a load-adjustable bolt durability test tool comprises a lock body, wherein a unscrewing device penetrates through two threads of a base and is installed on the lock body; the rotary reciprocating device penetrates through the first base and is movably installed on the simulated lock rail, and four corners of the first base are installed on the second base through long support columns; the simulated lock catch is in a square shape, an opening is formed in one side of the simulated lock catch, protruding portions are arranged on two sides of the opening end of the simulated lock catch, and a lock tongue arranged on the lock body is arranged on the protruding portions.

Specifically, the unscrewing device includes that the rotation axis on the lock body is installed to the screw thread, the rotation axis passes through a bearing frame subassembly movable mounting on rotating base, rotating base four corners department is installed on base two through the short strut, the handle is installed to the rotation axis other end.

Specifically, the handle is a circular ring, and the handle penetrates through a circular hole formed in the rotating shaft.

Specifically, rotatory reciprocating device includes that threaded rod one end passes through bearing housing subassembly two and installs on the simulation lock shelves, the threaded rod other end passes base one and is connected with the motor through the shaft coupling, and base four corners department installs linear guide through the linear guide mount pad, install motor base on the motor, the movable block is installed to motor base four corners department, the movable block is installed on linear guide, base one is close to one side of shaft coupling and installs the ring, motor base also installs the ring near one side of motor, and a ring is connected respectively at the force transducer both ends.

Specifically, the force sensor and the motor are both externally connected and communicatively coupled to the PLC controller.

The utility model has the advantages that:

the device can not only detect the maximum bearing load of the lock tongue, but also detect the flexibility of the rotation of the lock tongue under the state of the maximum bearing load.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

As shown in fig. 1, the utility model provides a bolt durability test fixture of adjustable load, including lock body 1, unscrewing device 23 passes base two 22 and the screw thread is installed on lock body 1, and rotatory reciprocating device 21 passes base one 11 and passes through bearing frame subassembly two movable mounting on simulation lock shelves 9, base one 11 four corners department is installed on base two 22 through long pillar 8; the simulation lock catch 9 is square, an opening is formed in one side of the simulation lock catch 9, protruding portions 12 are arranged on two sides of the opening end of the simulation lock catch 9, a lock bolt 2 arranged on the lock body 1 is arranged on the protruding portions 12, and the rotary reciprocating device 21 can detect the maximum bearing load of the lock bolt 2.

The unscrewing device 23 comprises a rotating shaft 4 which is installed on the lock body 1 in a threaded mode, the rotating shaft 4 is movably installed on a rotating base 5 through a bearing seat assembly I3, four corners of the rotating base 5 are installed on a base II 22 through short pillars 7, and a handle 6 is installed at the other end of the rotating shaft 4. The handle 6 is a circular ring, and the handle 6 penetrates through a circular hole formed in the rotating shaft 4. The operator holds the handle 6 to rotate, and the action track of the lock body 1 relative to the opening of the lock rail can be simulated.

Rotatory reciprocating device 21 includes that threaded rod 10 one end passes through bearing housing subassembly two to be installed on simulation lock shelves 9, the threaded rod 10 other end passes base 11 and is connected with motor 19 through shaft coupling 20, and base 11 four corners department installs linear guide 14 through linear guide mount pad 13, install motor base 16 on the motor 19, motor base 16 four corners department installs movable block 15 through the screw, movable block 15 passes through the mounting screw on linear guide 14, one side welding that base 11 is close to shaft coupling 20 has ring 17, one side that motor base 16 is close to motor 19 also has welded ring 17, and a ring 17 is connected respectively at force sensor 18 both ends.

The force sensor 18 and the motor 19 are both external and communicatively coupled to the PLC controller.

The utility model discloses a theory of operation does:

the staff first measures the biggest load that bears that bolt 2 on the lock body 1 can bear, then detects whether bolt 2 on the lock body 1 can rotate in a flexible way under the biggest load that bears.

The staff opens motor 19 through PLC controller control, and motor 19 drives the threaded rod 10 rotatory and relative base 11 backward movement, and because threaded rod 10 passes through two movable mounting of bearing frame subassembly on simulation lock shelves 9, threaded rod 10 only drives simulation lock shelves 9 backward movement, and the staff observes the size of the power that force transducer 18 shows, observes simultaneously whether bolt 2 on the lock body 1 warp.

When the bolt 2 deforms, the magnitude of the force displayed by the lower force sensor 18 is recorded, which is the maximum load that the bolt 2 can bear.

Then, at the maximum bearing load force that bolt 2 can bear, controller control motor 19 stops, and the staff holds handle 6 rotatory simultaneously, observes whether bolt 2 can be unscrewed in a flexible way relatively simulation lock shelves 9, detects the flexibility of bolt 2 under the maximum bearing load.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. A load-adjustable bolt durability test tool comprises a lock body (1)

It is characterized by also comprising

The unscrewing device (23) penetrates through the second base (22) and is installed on the lock body (1) in a threaded manner;

the rotary reciprocating device (21) penetrates through the first base (11) and is movably mounted on the simulated lock stop (9), and four corners of the first base (11) are mounted on the second base (22) through long pillars (8);

the lock comprises a simulation lock catch (9), wherein the simulation lock catch (9) is in a square shape, an opening is formed in one side of the simulation lock catch (9), protruding portions (12) are arranged on two sides of the opening end of the simulation lock catch (9), and a lock tongue (2) arranged on a lock body (1) is arranged on the protruding portions (12).

2. The load-adjustable bolt durability test tool according to claim 1, wherein the unscrewing device (23) comprises a rotating shaft (4) which is installed on the lock body (1) in a threaded manner, the rotating shaft (4) is movably installed on a rotating base (5) through a bearing seat assembly I (3), four corners of the rotating base (5) are installed on a base II (22) through short pillars (7), and a handle (6) is installed at the other end of the rotating shaft (4).

3. The load-adjustable bolt durability testing tool according to claim 2, wherein the handle (6) is a circular ring, and the handle (6) penetrates through a circular hole formed in the rotating shaft (4).

4. The load-adjustable bolt durability test tool according to claim 1, wherein the rotary reciprocating device (21) comprises a threaded rod (10), one end of the threaded rod is mounted on the analog lock catch (9) through a bearing seat assembly II, the other end of the threaded rod (10) penetrates through a base I (11) and is connected with a motor (19) through a coupler (20), a linear guide rail (14) is mounted at the four corners of the base I (11) through a linear guide rail mounting seat (13), a motor base (16) is mounted on the motor (19), a moving block (15) is mounted at the four corners of the motor base (16), the moving block (15) is mounted on the linear guide rail (14), a circular ring (17) is mounted on one side of the base I (11) close to the coupler (20), and a circular ring (17) is also mounted on one side of the motor base (16) close to the motor (19), two ends of the force sensor (18) are respectively connected with a circular ring (17).

5. The load-adjustable bolt durability testing tool according to claim 4, wherein the force sensor (18) and the motor (19) are both externally connected and communicatively coupled to a PLC controller.

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