CN211028320U

CN211028320U - Be applied to shear test tool of slide center pillar

Info

Publication number: CN211028320U
Application number: CN201921965143.0U
Authority: CN
Inventors: 陈亮; 贾萍
Original assignee: Huizhou Chaopeng Sports Equipment Co ltd
Current assignee: Huizhou Chaopeng Sports Equipment Co ltd
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2020-07-17
Anticipated expiration: 2029-11-14

Abstract

The utility model relates to a be applied to shearing test fixture of slide center pillar, comprising a base plate, set up the fixed bolster on the bottom plate, for shear block and cutter unit spare that the fixed bolster reciprocated, first shear groove has been seted up on the fixed bolster, the second shear groove that corresponds with first shear groove is seted up to the shear block, first shear groove forms shearing chamber with second shear groove, cutter unit spare sets up in shearing the chamber, cutter unit spare includes first cut piece that corresponds with first shear groove and second shear groove respectively with the second cut piece, first cut piece sets up with second cut piece coincide, the cutting hole has all been seted up at the middle part of first cut piece and second cut piece. The utility model discloses the setting is by first stripping and slicing uses second stripping and slicing coincide to set up and constitutes the cutting surface, through exerting pressure and then drive first stripping and slicing and remove for the second stripping and slicing for the shearing pressure that the stripping and slicing received and the holding power of fixed bolster and the center pillar that cuts off coincide, prevent effectively that center pillar shearing process from taking place crooked.

Description

Be applied to shear test tool of slide center pillar

Technical Field

The utility model relates to a technical field is made to the slide, concretely relates to be applied to shearing test fixture of slide center pillar.

Background

The current young people like following the trend, the skateboard movement is one of the trend movements in the society, the skateboard movement mainly utilizes the imagination of the sporter, different gliding effects are created by utilizing the fancy actions of the skateboard in the gliding and gliding processes, and the skateboard movement is self-challenging beyond the physical and mental limits, so the skateboard movement is more and more popular with the young people.

Skateboards generally comprise a board on which a user stands and on which a pushing force is applied to the bottom surface by the feet, and a pulley located at the bottom of the board, so that the board slides under the rolling of the pulley. The pulleys are mainly fixed at two ends of a bridge bracket, and the bridge bracket is generally fixed between the plate and a center column. In the production process of the sliding plate, the performance of the whole sliding plate and parts needs to be tested, so that the production quality of the sliding plate is ensured. Wherein need carry out the shear test to the center pillar to the biggest shearing force performance that bears of aassessment center pillar guarantees the production quality of center pillar, avoids the slide to break off at the in-process center pillar, causes personnel's injury

In the prior art, generally, directly adopt pressure test equipment to carry out the shear test to the center pillar, generally with on the fixed tool of center pillar one end, the other end exerts pressure through pressure test equipment the center pillar and cuts off, but above-mentioned cutting process in the center pillar receive pressure and the holding power of fixed tool and the center of cutting off of center pillar do not coincide, make the center pillar produce askew easily, the measuring accuracy is poor.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a shear test fixture of being applied to slide center pillar that design is simple, measuring accuracy is high.

The utility model discloses a be applied to shear test tool of slide center pillar, include: a base plate; the fixed bracket is arranged on the bottom plate, and a first shearing groove and a placing groove communicated with the fixed groove are formed in the fixed bracket; the cutting block moves up and down relative to the fixed support, the cutting block is provided with a second cutting groove corresponding to the first cutting groove, and the first cutting groove and the second cutting groove form a cutting cavity; and can dismantle the cutter unit spare that sets up in shearing the chamber, cutter unit spare includes: first stripping and slicing that corresponds with first shearing groove and second shearing groove respectively sets up with the coincide of second stripping and slicing with the second stripping and slicing, and the cutting hole that is used for passing through the center pillar is all offered at the middle part of first stripping and slicing and second stripping and slicing.

According to the utility model discloses an embodiment, the shear block still is equipped with the hole of dodging that corresponds with the cut hole, dodges the hole and adjoins with first shear groove.

According to the utility model discloses an embodiment, the lateral wall of cutout still sets up the inner groovy.

According to the utility model discloses an embodiment, shear test fixture still includes: and the link mechanism is used for connecting the bottom plate and the shearing block.

According to the utility model discloses an embodiment, link mechanism includes: the connecting plate is arranged on the bottom plate right opposite to the fixed support, and two ends of the connecting rod are respectively and rotatably connected with the connecting plate and the shearing block.

According to the utility model discloses an embodiment, connecting rod quantity is two at least, two at least connecting rod parallel arrangement.

The utility model discloses a be applied to shear test fixture of slide center pillar and set up by first stripping and slicing constitution cutter unit with the second stripping and slicing, two stripping and slicing coincide settings and the folded surface constitutes the cutting surface, through fixed first stripping and slicing and through stripping and second stripping and slicing butt of fixed bolster, through exerting pressure to the stripping and then drive first stripping and slicing and remove for the second stripping and slicing, make the shearing pressure that the stripping and slicing received and the holding power of fixed bolster and the coincidence of the center of cutting off of center pillar, effectively prevent that center pillar shearing process from taking place crooked, the measuring accuracy is high.

Drawings

Fig. 1 is a schematic structural view of the middle shearing test fixture of the present invention.

Fig. 2 is a cross-sectional view of the cutting tool assembly not installed in the middle shearing test fixture of the present invention.

Fig. 3 is the utility model discloses cut the cross-sectional view of test fixture installation center pillar in.

Fig. 4 is a schematic diagram of the middle shearing test fixture shearing center pillar of the present invention.

Detailed Description

The following describes the shear test fixture in further detail with reference to the following embodiments and accompanying drawings.

Fig. 1 to 4 are schematic structural diagrams of a middle shear test fixture, a cross-sectional view of a cutter assembly not installed, a cross-sectional view of an installed center post, and a schematic diagram of a shear center post according to the present invention, respectively.

The utility model provides a be applied to shear test fixture of slide center pillar, mainly used test slide center pillar part shearing performance, its mainly be applied to conventional omnipotent pressure test device in, provide shear pressure to shear test fixture through omnipotent pressure test device, then utilize shear test fixture to cut the center pillar, the shear pressure when utilizing omnipotent pressure test device to obtain the center pillar and cut off to obtain the biggest shear pressure performance of center pillar.

The shearing test fixture mainly comprises: the cutting tool includes a base plate 10, a fixing bracket 20 provided on the base plate 10, a cutting block 30 vertically moved with respect to the fixing bracket 20, and a cutter assembly 40. The fixing bracket 20 is provided with a first cutting groove 201 and a placing groove 202 communicated with the fixing groove. The cutting block 30 is provided with a second cutting groove 301 corresponding to the first cutting groove 201, and the first cutting groove 201 and the second cutting groove 301 form a cutting cavity, wherein the cutting cavity is matched with the cutter assembly 40 in shape and size. The cutter assembly 40 is removably disposed within the shear chamber. Specifically, the cutter assembly 40 includes a first cutting block 401 corresponding to the first shearing groove 201 and the second shearing groove 301, and a second cutting block 402, wherein the middle portions of the first cutting block 401 and the second cutting block 402 are all provided with a cutting hole for passing through the center pillar, the first cutting block 401 is overlapped with the second cutting block 402, and the overlapped surface is a cut surface of the shearing test fixture.

In an embodiment, the shear block 30 is further provided with an avoiding hole 302 corresponding to the cutting holes of the first cutting block 401 and the second cutting block 402, the avoiding hole 302 is adjacent to the first shear groove 301, and the center pillar is avoided through the avoiding hole 302, so that the to-be-sheared surface of the center pillar is adjusted to be on the same plane as the cut surface of the shearing test fixture, and the operation of the test process is facilitated. It is further noted that the side walls of the cutout 30 are further provided with inner grooves 303, the inner grooves 303 are located on two corresponding side walls of the cutout 30, and the cutout 30 can be conveniently held by hands through the inner grooves 303, so that the operation of the cutout 30 by a tester is facilitated.

In an embodiment, the shearing test fixture further includes a link mechanism 50 for connecting the bottom plate 10 and the shear block 30, wherein the link mechanism 50 mainly realizes, through a link principle, that the shear block 30 moves downward relative to the fixing bracket 20 when being pressed by the universal pressure testing device, so as to drive the second cutting block 402 to move relative to the first cutting block 401, thereby realizing the shearing test fixture to cut the center pillar. Specifically, the link mechanism 50 includes a connecting plate 501 and a connecting rod 502, wherein the connecting plate 501 is disposed on the bottom plate 10 opposite to the fixing support 20, two ends of the connecting rod 502 are respectively and rotatably connected to the connecting plate 501 and the cutouts 30, when the cutouts 30 are moved under a force, the connecting position of the connecting rod 502 and the connecting plate 501 is taken as a rotation center for rotating, wherein the number of the connecting rods 501 is at least two, and at least two connecting rods 501 are disposed in parallel, so that the cutouts 30 simultaneously rotate and maintain a vertical state with the connecting position of the connecting rod 502 as the rotation center, thereby ensuring that the pressure transmitted from the cutouts 30 to the first cutout 401 is vertically downward, and ensuring that the center pillar is subjected to a shearing pressure and a supporting force in opposite directions and coincides with the cutting center.

Adopt the utility model discloses a shear test fixture when shearing the test to the center pillar, put into the end of waiting to cut of center pillar by standing groove 202, make the center pillar wait to cut the end and pass the earnestly hole of first cutting block 401 and second cutting block 402 according to the preface, then support first cutting block 402 in the first mounting groove 201 of fixed bolster 20, second cutting groove 301 of cutting block 30 supports in second cutting block 401, the output through omnipotent pressure testing arrangement is exerted pressure to the top of cutting block 30, when pressure equals the biggest shearing force that bears of center pillar, second cutting block 402 moves down, utilize the coincide face between first cutting block 401 and the second cutting block 402 to cut off the center pillar, thereby realize the shear test of center pillar.

To sum up, the utility model discloses a be applied to shear test fixture of slide center pillar sets up by first stripping and slicing with the second stripping and slicing constitution cutter unit spare, and two stripping and slicing coincide settings constitute the cutting surface and the superimposed surface, through fixed bolster fixed first stripping and slicing and through stripping and second stripping and slicing butt, through exerting pressure to the stripping and then drive first stripping and slicing and remove for the second stripping and slicing for the shearing pressure that the stripping and slicing received and the holding power of fixed bolster and the center coincidence of cutting off of center pillar prevent effectively that center pillar shearing process from taking place crooked, and the measuring accuracy is high.

In the description of the present invention, it is to be understood that the terms such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

While the invention has been described in conjunction with the specific embodiments set forth above, it is evident that many alternatives, modifications, and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, all such alternatives, modifications, and variations are intended to be included within the spirit and scope of the present invention.

Claims

1. The utility model provides a be applied to shearing test fixture of slide center pillar which characterized in that includes:

a base plate;

the fixed bracket is arranged on the bottom plate, and a first shearing groove and a placing groove communicated with the fixed groove are formed in the fixed bracket;

the shearing block moves up and down relative to the fixed support, a second shearing groove corresponding to the first shearing groove is formed in the shearing block, and a shearing cavity is formed by the first shearing groove and the second shearing groove; and

can dismantle set up in the cutter unit spare in shearing the chamber, cutter unit spare includes: the first cutting block and the second cutting block correspond to the first shearing groove and the second shearing groove respectively, the first cutting block is arranged in a superposed mode through the second cutting block, and the middle of the first cutting block and the middle of the second cutting block are provided with cutting holes used for passing through the center pillar.

2. The shearing test fixture of claim 1, wherein the shear block is further provided with an avoiding hole corresponding to the cutting hole, and the avoiding hole is adjacent to the first shearing groove.

3. The shearing test fixture of claim 1, wherein the side wall of the shear block is further provided with an inner groove.

4. The shear test fixture of any one of claims 1 to 3, further comprising: and the link mechanism is used for connecting the bottom plate and the shearing block.

5. The shear test fixture of claim 4, wherein the linkage mechanism comprises: the connecting plate is arranged on the bottom plate right opposite to the fixed support, and two ends of the connecting rod are respectively and rotatably connected with the connecting plate and the shearing block.

6. The shear test fixture of claim 5, wherein the number of the connecting rods is at least two, and at least two of the connecting rods are arranged in parallel.