CN214538457U

CN214538457U - Fastener anti-destruction performance detection device

Info

Publication number: CN214538457U
Application number: CN202121053425.0U
Authority: CN
Inventors: 谭明辉
Original assignee: Foshan Gaoheng Construction Engineering Quality Inspection Co ltd
Current assignee: Foshan Gaoheng Construction Engineering Quality Inspection Co ltd
Priority date: 2021-05-17
Filing date: 2021-05-17
Publication date: 2021-10-29
Anticipated expiration: 2031-05-17

Abstract

The application relates to a fastener anti-destruction performance detection device belongs to fastener and detects technical field, and it includes: the workstation, the top activity of workstation is inlayed and is equipped with the base, the top of base is provided with the bracing piece, the top level of bracing piece is provided with the sleeve pipe, sheathed tube periphery wall threaded connection has the locking lever, wherein, many the locking lever divide into the multiunit, and is organized with the locking lever ring is located sheathed tube periphery wall, multiunit the locking lever is followed extension direction interval distribution in the sleeve pipe, the end of screwing in of locking lever runs through and inserts sheathed tube outer wall stretches into sheathed tube cavity. The application provides a fastener resistance to destruction performance detection device can be through adjusting threaded connection at sheathed tube locking lever screw in volume to make the locking lever carry out the adaptation to the steel pipe of different external diameters, and then be convenient for detect the steel pipe class fastener of different external diameters.

Description

Fastener anti-destruction performance detection device

Technical Field

The application relates to the field of fastener detection, especially, relate to a fastener resistance to destruction performance detection device.

Background

Fasteners generally refer to the intermediate connection of two members, and are classified mainly into the following categories: scaffold fasteners, steel pipe fasteners, concrete sleeper fasteners, railway fasteners, forsro fasteners, and construction fasteners. Among them, the steel pipe type fastener is most commonly used and widely applied in various fields.

At present, after the casting of steel pipe type fasteners is finished, in order to guarantee the safety performance of the steel pipe type fasteners, the steel pipe type fasteners need to be subjected to a safety test of anti-destruction performance, the test method mainly includes that workers install the steel pipe type fasteners on steel pipes in advance, then steel pipes locked by the fasteners are fixed on clamps of clamping tables, the workers hand-hold a knocking tool to knock the steel pipes, and after the knocking is finished, the workers comprehensively consider the knocking strength and the loosening and damage conditions of the steel pipe type fasteners to obtain the approximate anti-destruction performance of the fasteners.

In view of the related art in the above, the inventors consider that there are drawbacks in that: the steel pipe external diameter that the centre gripping platform clamp can the centre gripping must all be with clamp looks adaptation, when the steel pipe class fastener of different pipe diameters need to detect, need change the clamp of different internal diameters, has brought the inconvenience for the detection of steel pipe class fastener.

SUMMERY OF THE UTILITY MODEL

In order to carry out the centre gripping for the steel pipe of the different external diameters for the convenience, this application provides a fastener resistance to destruction performance detection device, can be through adjusting threaded connection at sheathed tube locking lever screw in volume to make the locking lever carry out the adaptation to the steel pipe of different external diameters, and then be convenient for detect the steel pipe class fastener of different external diameters.

The application provides a pair of fastener resistance to destruction detection device adopts following technical scheme:

a fastener breakage resistance detecting device includes: the workstation, the top activity of workstation is inlayed and is equipped with the base, the top of base is provided with the bracing piece, the top level of bracing piece is provided with the sleeve pipe, sheathed tube periphery wall threaded connection has the locking lever, wherein, many the locking lever divide into the multiunit, and is organized with the locking lever ring is located sheathed tube periphery wall, multiunit the locking lever is followed extension direction interval distribution in the sleeve pipe, the end of screwing in of locking lever runs through and inserts sheathed tube outer wall stretches into sheathed tube cavity.

Through adopting above-mentioned technical scheme, the workstation can reduce the base and the condition that turns on one's side appears in steel pipe class fastener testing process, simultaneously, sets up in the bracing piece of base and can support the sleeve pipe, in addition, can carry out the centre gripping to the steel pipe in the sleeve pipe according to the external diameter of steel pipe through the locking lever of screwing to improve detection device's suitability.

Preferably, the screwing end of the locking rod is provided with a rubber pad.

Through adopting above-mentioned technical scheme, the rubber pad utilizes the deformation ability of self can be better with the outer wall of steel pipe laminating mutually to improve the centre gripping effect of locking lever to the steel pipe.

Preferably, one side of the rubber pad, which is far away from the locking rod, is provided with an arc surface.

Through adopting above-mentioned technical scheme, the cambered surface can make better the laminating with the steel pipe of rubber pad to further improve the centre gripping effect of locking lever to the steel pipe.

Preferably, the bottom of the supporting rod is in threaded connection with a screw rod, the bottom of the screw rod is rotatably connected to the base, a limiting sleeve is arranged at the top of the base, the limiting sleeve is sleeved on the supporting rod, a convex edge is arranged on the side wall of the supporting rod, a groove matched with the convex edge is formed in the inner side wall of the limiting sleeve, and the groove extends in the length direction of the limiting sleeve.

Through adopting above-mentioned technical scheme, when the screw rod rotated, because the bracing piece with screw rod threaded connection received the restriction of bead and recess, consequently the bracing piece slided along the extending direction of recess after the screw rod rotates to adjust the lift of bracing piece.

Preferably, a cavity is formed in the base, the screw rod is inserted into the cavity, a driven bevel gear is arranged at the bottom of the thread, the driven bevel gear is connected with a driving bevel gear meshed with the driven bevel gear, a gear shaft is arranged on the driving bevel gear, the gear shaft penetrates out of the side wall of the base, and a lifting knob is arranged at one end, far away from the driving bevel gear, of the gear shaft.

Through adopting above-mentioned technical scheme, when rotating the lift knob, can drive gear shaft and drive bevel gear and rotate to transmission to driven bevel gear, driven bevel gear drives the screw rod and rotates afterwards, and then adjusts the lift of bracing piece.

Preferably, a damping spring is arranged in the limiting sleeve, the bottom of the damping spring is connected with the top of the base, and the top of the damping spring is abutted against the bottom of the supporting rod.

Through adopting above-mentioned technical scheme, damping spring can reduce because of knocking the vibrations that the steel pipe produced when the sleeve pipe presss from both sides the steel pipe, reduces the interference of vibrations to the testing result.

Preferably, the locking rod is sleeved with a connecting gear, and the connecting gears of the adjacent locking rods on the same bus of the sleeve are meshed.

Through adopting above-mentioned technical scheme, connecting gear can make adjacent locking lever synchronous rotation to many locking levers of synchronous drive same generating line carry out the centre gripping to the steel pipe.

Preferably, the outer contour of the base is polygonal, and the top of the workbench is provided with a limit groove matched with the base.

Through adopting above-mentioned technical scheme, when the base of polytropic profile inlayed and locates the workstation, can restrict the rotation of base to keep the position relatively fixed of fastener when the anti destructive performance of detection fastener.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the locking rod connected to the sleeve through threads can clamp the steel pipe clamped by the fastener in the sleeve, and the steel pipes with different outer diameters are adapted by adjusting the screwing amount of the locking rod;

2. the gear shaft and the driving bevel gear can be driven to rotate by rotating the lifting knob, the driven bevel gear and the screw rod are further driven to rotate, the supporting rod slides along the extending direction of the groove under the limitation of the groove and the convex edge, and therefore the lifting of the supporting rod is adjusted, and the supporting rod can be conveniently adjusted to be at a proper height;

3. when any locking rod on the same bus can be positioned on the rotating sleeve through the connecting gear, other locking rods on the same bus can synchronously rotate, and therefore clamping efficiency of the locking rods is improved.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic view of the overall structure of the work table in the embodiment of the present application.

Fig. 3 is a schematic view of the entire structure of the detection unit in the embodiment of the present application.

Fig. 4 is a schematic structural diagram of a sleeve in the embodiment of the present application.

Description of reference numerals: 1. a work table; 11. a limiting groove; 2. a base; 21. a bearing; 22. a lifting knob; 23. a gear shaft; 24. a drive bevel gear; 25. a driven bevel gear; 3. a support bar; 31. a screw; 32. a limiting sleeve; 33. a rib; 34. a damping spring; 4. a sleeve; 41. a locking lever; 42. clamping the knob; 43. a rubber pad; 44. a connecting gear.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses fastener fracture resistance detection device.

Referring to fig. 1, a fastener damage resistance detection device includes a workbench 1, in this embodiment, four supporting legs are fixed to the bottom of the workbench 1, and the workbench 1 can be placed on the ground in a working environment through the four supporting legs.

Referring to fig. 2, a limiting groove 11 is formed in the top of the worktable 1, in this embodiment, an opening of the limiting groove 11 is square, a base 2 adapted to the limiting groove 11 is movably embedded in the limiting groove 11, and the base 2 protrudes out of the top surface of the worktable 1.

When the base 2 is engaged with the limit groove 11, the rotation of the base 2 can be limited, so that the base 2 is kept stationary in the horizontal direction.

Meanwhile, referring to fig. 3, a cavity is formed in the base 2, a bearing 21 is fixed to the bottom wall of the cavity, and an opening of an inner ring of the bearing 21 is vertically upward. In addition, a screw 31 is mounted on the bearing 21 and is matched with the bearing 21, and the screw 31 extends upwards through the top of the base 2.

In order to drive the screw rod 31 to rotate, a gear shaft 23 is rotatably connected to the side wall of the base 2, the gear shaft 23 is positioned above the workbench 1, the length direction of the gear shaft 23 is horizontal, one end of the gear shaft 23, which is close to the base 2, penetrates through the side wall of the base 2 and extends into a cavity of the base 2, a lifting knob 22 is fixed at a non-insertion end of the gear shaft 23, and a driving bevel gear 24 is fixed at an insertion end of a gear drawer; meanwhile, a driven bevel gear 25 engaged with the drive bevel gear 24 is fitted over the outer wall of the screw 31.

When the elevation knob 22 is rotated, the gear shaft 23 and the drive bevel gear 24 are synchronously rotated with the elevation knob 22, and then the driven bevel gear 25 and the screw 31 are rotated.

In addition, the upper part of the screw rod 31 is connected with the supporting rod 3 in a threaded manner, the screw rod 31 is sleeved with the limiting sleeve 32, the bottom of the limiting sleeve 32 is connected with the top of the base 2, the outer wall of the supporting rod 3 is symmetrically fixed with two convex edges 33, and meanwhile, the inner side wall of the limiting sleeve 32 is provided with two grooves in the vertical direction.

When the screw rod 31 is driven by the lifting knob 22 to rotate, the support rod 3 in threaded connection with the screw rod 31 slides in the vertical direction under the restriction of the rib 33 and the groove, so that the lifting of the support rod 3 is adjusted.

Meanwhile, a damping spring 34 is installed in the limiting sleeve 32, specifically, the damping spring 34 is sleeved on the screw rod 31, the bottom of the damping spring 34 is fixedly connected with the top of the base 2, and the top of the damping spring 34 is abutted against the bottom of the supporting rod 3.

In addition, referring to fig. 4, a sleeve 4 is horizontally fixed on the top of the support rod 3, 9 locking rods 41 are screwed on the sleeve 4, a single locking rod 41 passes through the outer wall of the sleeve 4 and extends into the cavity of the sleeve 4, and a clamping knob 42 is fixed on the non-screwed end of the locking rod 41. The 9 locking rods 41 are divided into three groups, each group has 3 locking rods 41, a single group of 3 locking rods 41 is arranged around the outer peripheral wall of the casing 4 at equal intervals, each group extends along the length direction of the casing 4, and adjacent locking rods 41 between each group are located on the same bus of the casing 4.

After the steel pipe fastener to be detected passes through the casing 4 through the openings at the two ends of the cavity, the clamping knob 42 is rotated to enable the locking rods 41 to be screwed into the casing 4, the locking rods 41 are screwed into the casing 4 in sequence, the screwing amounts of the locking rods 41 are the same, and the screwing ends of the locking rods 41 are abutted against the locking rods 41, so that the casing 4 can clamp steel pipes with different outer diameters, and the overall applicability of the detection device is improved.

Meanwhile, when the steel pipe clamped in the sleeve 4 is knocked, the damping spring 34 can effectively reduce the external force impact on the support rod 3, and the damping effect is achieved.

A rubber pad 43 is fixed to the screw-in end of the lock lever 41, and a curved surface is formed on the side of the rubber pad 43 away from the lock lever 41.

When the locking rod 41 clamps the steel pipe fastener to be tested, the cambered surface of the rubber pad 43 is abutted to the outer wall of the steel pipe clamped by the fastener, and the locking rod 41 can be better attached to the steel pipe by utilizing the deformation of the rubber pad 43 and the attaching effect of the cambered surface, so that the clamping effect on the steel pipe is improved.

Meanwhile, a connecting gear is connected between adjacent locking levers 41 located on the same bus of the casing 4, specifically, the connecting gear is sleeved on the side wall of the locking lever 41, the connecting gears of the adjacent locking levers 41 on the same bus of the casing 4 are engaged, and the threads of the locking levers 41 on the same bus of the casing 4 are opposite in rotation direction.

After any clamping knob 42 of the same bus of the sleeve scraping pipe is rotated, the connecting gear synchronously rotates under the driving of the clamping knob 42, and drives the adjacent side connecting gear meshed with the connecting gear to rotate, so as to drive the locking rod 41 on the adjacent side to rotate, and therefore the screwing-in and screwing-out of the locking rod 41 on the same bus of the sleeve 4 are adjusted at the same time, the screwing-in amount of the adjacent locking rod 41 on the same bus of the sleeve 4 is kept consistent, and the clamping efficiency of the sleeve 4 is improved.

The implementation principle of the device for detecting the damage resistance of the fastener in the embodiment of the application is as follows:

the worker places the base 2 integrally in the stopper groove 11 of the table 1, and then, the worker rotates the lifting knob 22, thereby adjusting the lifting of the support rod 3.

After the support rod 3 is adjusted to a proper height, the steel pipe clamped by the fastener penetrates through the sleeve 4 through the openings at the two ends of the cavity of the sleeve 4.

Subsequently, the worker rotates the clamp knob 42 to cause the locking lever 41 to grip the steel pipe.

After confirming the clamping, the worker strikes the steel pipe clamped by the fastener, and the damping spring 34 simultaneously damps the support rod 3.

After the test is finished, the worker rotates the clamping knob 42 again to take the steel pipe fasteners out of the sleeve 4, then the steel pipe fasteners to be tested are installed on the sleeve 4, when the outer diameters of the steel pipes to be tested and the steel pipes to be tested are different, the locking rods 41 can be clamped with the steel pipes clamped by the fasteners again by adjusting the screwing amount of the locking rods 41, and therefore the detection device clamps the steel pipes with different outer diameters.

The above are all preferred embodiments of the present application, and the present embodiment is only explained for the present application, and the protection scope of the present application is not limited by this, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A fastener breakage resistance detecting device includes: workstation (1), its characterized in that, the top activity of workstation (1) is inlayed and is equipped with base (2), the top of base (2) is provided with bracing piece (3), the top level of bracing piece (3) is provided with sleeve pipe (4), the periphery wall threaded connection of sleeve pipe (4) has locking lever (41), wherein, many locking lever (41) divide into the multiunit, and is organized the locking lever (41) ring is located the periphery wall of sleeve pipe (4), multiunit locking lever (41) are followed extension direction interval distribution in sleeve pipe (4), the end of screwing in of locking lever (41) runs through and inserts the outer wall of sleeve pipe (4) and stretches into the cavity of sleeve pipe (4).

2. A fastener breakage resistance detecting device according to claim 1, wherein a rubber pad (43) is provided at a screw-in end of the lock lever (41).

3. The fastener breakage resistance detecting device according to claim 2, wherein a side of the rubber pad (43) facing away from the lock lever (41) is provided with an arc surface.

4. The device for detecting the damage resistance of the fastener according to claim 1, wherein a screw rod (31) is connected to the bottom of the support rod (3) in a threaded manner, the bottom of the screw rod (31) is rotatably connected to the base (2), a stop collar (32) is arranged at the top of the base (2), the support rod (3) is sleeved with the stop collar (32), a rib (33) is arranged on the side wall of the support rod (3), a groove matched with the rib (33) is formed in the inner side wall of the stop collar (32), and the groove extends along the length direction of the stop collar (32).

5. The fastener breakage resistance detection device of claim 4, wherein a cavity is formed in the base (2), the screw (31) is inserted into the cavity, a driven bevel gear (25) is arranged at the bottom of the thread, the driven bevel gear (25) is connected with a driving bevel gear (24) meshed with the driven bevel gear (25), the driving bevel gear (24) is provided with a gear shaft (23), the gear shaft (23) penetrates through the side wall of the base (2), and a lifting knob (22) is arranged at one end, away from the driving bevel gear (24), of the gear shaft (23).

6. The device for detecting the damage resistance of the fastener is characterized in that a damping spring (34) is arranged in the limiting sleeve (32), the bottom of the damping spring (34) is connected with the top of the base (2), and the top of the damping spring (34) abuts against the bottom of the supporting rod (3).

7. The device for detecting the damage resistance of a fastener according to claim 1, wherein the locking rod (41) is sleeved with a connecting gear, and the connecting gears of the adjacent locking rods (41) on the same bus of the sleeve (4) are meshed.

8. The device for detecting the damage resistance of the fastener is characterized in that the outer contour of the base (2) is polygonal, and the top of the workbench (1) is provided with a limit groove (11) matched with the base (2).