CN216695909U - Novel test loading tool for double-sided lap joint shear test piece - Google Patents
Novel test loading tool for double-sided lap joint shear test piece Download PDFInfo
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- CN216695909U CN216695909U CN202122965810.9U CN202122965810U CN216695909U CN 216695909 U CN216695909 U CN 216695909U CN 202122965810 U CN202122965810 U CN 202122965810U CN 216695909 U CN216695909 U CN 216695909U
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Abstract
The utility model discloses a novel double-sided lap-joint shear test piece test loading tool which comprises a steel plate base, a steel cushion block, two fixing side devices and a loading side device, wherein the steel cushion block is installed on the left side of the top end of the steel plate base, the front side and the rear side of the steel cushion block are both provided with the two fixing side devices, the two fixing side devices respectively comprise a clamp support, a fixing hole, a screw rod, a nut and a clamp body, and the clamp supports are installed on the front side and the rear side of the steel cushion block. Fixing holes are formed in the clamp support at equal intervals, and screws penetrate through the fixing holes and are connected with the fixing holes in a threaded manner; according to the utility model, the vertical installation and loading mode of the test piece in the traditional test is changed into horizontal installation and loading, so that the installation and loading difficulty is effectively reduced; the traditional loading mode of drawing outwards from two sides is changed into the mode of pushing outwards from the middle, so that the test piece can naturally form the balance of pushing forces on two sides and is not easy to be deviated.
Description
Technical Field
The utility model relates to the technical field of test loading tools, in particular to a novel double-sided lap-joint shear test piece test loading tool.
Background
The bonding effect between different types of cement-based materials or cement-based materials poured at different times is one of important factors related to the safety of building structures, and is also a hot problem in the field of research of the cement-based materials. The bonding effect can be reflected by direct shear performance, and the double-sided lap-joint shear test piece is a test piece for testing the direct shear performance;
at present, a universal testing machine is mostly adopted for carrying out loading test on double-sided lap joint shear test pieces, the test mode is a test piece manufacturing problem on one hand, the test mode has high requirements on test piece manufacturing quality, otherwise, the test effect is poor due to the fact that the tensile force deviates from the center easily, on the other hand, the test pieces need to be vertically installed, the installation mode is difficult, the test pieces are easily damaged in advance, and in addition, the size range of the test pieces suitable for the universal testing machine and traditional testing equipment is small, so that the novel double-sided lap joint shear test piece loading tool is provided to solve the problems in the prior art.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, the utility model aims to provide a novel double-sided lap-joint shear test piece test loading tool, which solves the problems that the prior art is easy to deviate, difficult to vertically install, easy to damage a test piece and small in application size range of test equipment.
In order to realize the purpose of the utility model, the utility model is realized by the following technical scheme: the utility model provides a novel experimental loading apparatus of test piece is cuted in two-sided overlap joint, includes steel sheet base, steel cushion, fixed side device and loading side device, steel cushion is installed in steel sheet base's top left side, both sides all are equipped with two fixed side devices around the steel cushion, two fixed side device all includes anchor clamps support, fixed orifices, screw rod, nut and anchor clamps body, the anchor clamps support is all installed to both sides around the steel cushion, the fixed orifices has been seted up to the equidistant fixed orifices in inside of anchor clamps support, the inside of fixed orifices all runs through threaded connection and has the screw rod, the equal fixed connection of screw rod is on the rear surface of anchor clamps body, the equal threaded connection of lateral wall of screw rod has the nut, steel sheet base's top right side is provided with loading side device, be fixed with the test piece body between the anchor clamps body.
The further improvement lies in that: stiffening ribs are installed in the clamp support at equal intervals, a long-strip-shaped bolt installation hole position is formed in the bottom end of the clamp support, and the clamp support penetrates through the installation bolt and is fixedly connected with the top end of the steel cushion block at the long-strip-shaped bolt installation hole position.
The further improvement lies in that: the loading side device comprises a slide rail, a slide block platform and displacement meter clamps, the slide rail is arranged on the right side of the top end of the steel plate base, the slide block platform is installed on the top end of the slide rail, and the two displacement meter clamps are installed on the top end of the slide block platform.
The further improvement lies in that: bolt holes are formed in the top end of the steel plate base at equal intervals, and a steel cushion block and a sliding rail are mounted on the top end of the steel plate base through fixing bolts.
The further improvement lies in that: one end of the slide rail is provided with a limiting block, a displacement meter is fixed inside the displacement meter clamp, and a jack is installed between the test piece bodies.
The utility model has the beneficial effects that: according to the utility model, the vertical installation and loading mode of the test piece in the traditional test is changed into horizontal installation and loading, so that the installation and loading difficulty is effectively reduced; the traditional loading mode of drawing from two sides to the outside is modified into pushing from the middle to the outside, so that the test piece can naturally form the balance of pushing forces on the two sides and is not easy to be deviated; the modular design is adopted, all parts are independent, and the size range of the test piece which can be loaded can be enlarged by arranging a plurality of groups of fixing side devices and loading side devices; the position of the support is finely adjusted by installing hole positions on the long strip-shaped bolts on the support of the clamp, so that the clamp is suitable for the type of test piece with any size; by arranging at least four stiffening ribs on the clamp support and not less than three screw rods on the clamp, clamping force is uniformly applied to one end of the test piece, so that the test piece is prevented from being damaged while moving on one side clamped by the test piece in a test; one side that makes the test piece freedom can be along the smooth removal of the direction of setting for through setting up slide rail and slider platform, and the stopper has restricted the slider platform roll-off, guarantees the safety of experimentation.
Drawings
Fig. 1 is a front elevation structure schematic diagram of the present invention.
Fig. 2 is a schematic top elevation view of the present invention.
FIG. 3 is a side view of the present invention.
Fig. 4 is a right-view structural diagram of the present invention.
Fig. 5 is a schematic top plan view of the present invention.
FIG. 6 is a schematic structural diagram of a steel spacer, a jig support and a stiffener assembly according to the present invention.
FIG. 7 is a schematic view of the screw and nut assembly of the present invention.
Wherein: 1. a steel plate base; 2. a steel cushion block; 3. a fixed-side device; 301. a clamp support; 302. a fixing hole; 303. a screw; 304. a nut; 305. a clamp body; 4. a loading side device; 401. a slide rail; 402. a slider platform; 403. a displacement gauge clamp; 5. a test piece body; 6. a stiffening rib; 7. mounting hole sites for the strip-shaped bolts; 8. installing a bolt; 9. a limiting block; 10. a jack.
Detailed Description
In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
Example one
According to the drawings of fig. 1-7, the embodiment provides a novel loading tool for a double-sided lap-joint shear test piece test, which comprises a steel plate base 1, a steel cushion block 2, fixed side devices 3 and loading side devices 4, wherein the steel cushion block 2 is installed on the left side of the top end of the steel plate base 1, the two fixed side devices 3 are respectively arranged on the front side and the rear side of the steel cushion block 2, each of the two fixed side devices 3 comprises a clamp support 301, a fixed hole 302, a screw 303, a nut 304 and a clamp body 305, the clamp support 301 is installed on the front side and the rear side of the steel cushion block 2, the fixed holes 302 are equidistantly formed in the clamp support 301, the screw 303 is respectively in through threaded connection with the inner part of each fixed hole 302, each of the screws 303 is fixedly connected to the rear surface of the clamp body 305, the nut 304 is respectively in threaded connection with the outer side wall of each screw 303, the loading side devices 4 are arranged on the right side of the top end of the steel plate base 1, the test piece body 5 is fixed between the clamp bodies 305, through the fixed side device 3 that sets up, be favorable to modifying the loading mode that tradition was drawn outwards from both sides into middle outside like this and push away, make test piece body 5 can form the balance of both sides thrust naturally, be difficult for drawing partially.
The loading side device 4 comprises a sliding rail 401, a sliding block platform 402 and a displacement meter clamp 403, the sliding rail 401 is arranged on the right side of the top end of the steel plate base 1, the sliding block platform 402 is installed on the top end of the sliding rail 401, the two displacement meter clamps 403 are installed on the top end of the sliding block platform 402, and the sliding block platform 402 and the displacement meter clamps 403 can be driven through the sliding rail 401 and the test can be completed through the jack 10 through the set loading side device 4.
Bolt holes have been seted up to steel sheet base 1's top equidistant, and steel cushion block 2 and slide rail 401 are installed through fixing bolt in steel sheet base 1's top, and through the steel cushion block 2 and the slide rail 401 that set up, can fix and test specimen body 5.
One end of the sliding rail 401 is provided with a limiting block 9, a displacement meter is fixed inside the displacement meter clamp 403, a jack 10 is installed between the test piece bodies 5, and the test piece bodies 5 can be tested through the set jack 10.
When the device is used, firstly, a loading tool is installed, firstly, a steel cushion block 2 and a slide rail 401 are installed on a steel plate base 1 at a proper distance according to the size of a test piece, then a clamp support 301 is installed on the steel cushion block 2, the installation position of the clamp support 301 is accurately adjusted by utilizing a long strip-shaped bolt installation hole 7 on the clamp support 301 to be in a position according with the size of a test piece body 5, then a screw 303 on the clamp body 305 penetrates through a fixing hole 302 on the clamp support 301, meanwhile, enough width is ensured to be reserved between the clamp bodies 305 on two sides for placing the test piece body 5, then a slide block platform 402 is installed on the slide rail 401 from the tail end of the slide rail 401, then a limiting block 9 is installed on the tail end of the slide rail 401, the installation of the test piece body 5 is carried out after the loading tool is installed, the slide block platform 402 is firstly adjusted to be in a proper position, then the test piece body 5 is placed on a plane provided by the clamp support 301 and the slide block platform 402, then the screw cap 304 on the screw 303 is screwed down to clamp two sides of the test piece body 5, finally the displacement meter is installed on the displacement meter clamp 403, the jack 10 for loading is placed in the space in the middle of the test piece body 5 for testing, and thus the novel loading tool for the double-sided lap joint shear test piece test is used.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a novel experimental loading apparatus of two-sided overlap joint shear test piece, includes steel sheet base (1), steel cushion (2), fixed side device (3) and loading side device (4), its characterized in that: a steel cushion block (2) is arranged on the left side of the top end of the steel plate base (1), two fixing side devices (3) are arranged on the front side and the rear side of the steel cushion block (2), each fixing side device (3) comprises a clamp support (301), a fixing hole (302), a screw rod (303), a nut (304) and a clamp body (305), the front side and the rear side of the steel cushion block (2) are both provided with clamp supports (301), fixing holes (302) are arranged in the clamp support (301) at equal intervals, the inner parts of the fixing holes (302) are all connected with screw rods (303) in a penetrating and threaded manner, the screw rods (303) are fixedly connected to the rear surface of the clamp body (305), the outer side wall of the screw rod (303) is connected with a nut (304) in a threaded mode, a loading side device (4) is arranged on the right side of the top end of the steel plate base (1), and a test piece body (5) is fixed between the clamp bodies (305).
2. The novel loading tool for the test of the double-sided lap-joint shear test piece according to claim 1, is characterized in that: stiffening rib (6) are installed to the impartial interval in inside of anchor clamps support (301), rectangular shape bolt installation hole site (7) have been seted up to the bottom of anchor clamps support (301), anchor clamps support (301) are through installation construction bolt (8) and run through in the top fixed connection of rectangular shape bolt installation hole site (7) and steel cushion (2).
3. The novel loading tool for the test of the double-sided lap-joint shear test piece according to claim 1, is characterized in that: the loading side device (4) comprises a sliding rail (401), a sliding block platform (402) and displacement meter clamps (403), the sliding rail (401) is arranged on the right side of the top end of the steel plate base (1), the sliding block platform (402) is installed on the top end of the sliding rail (401), and the two displacement meter clamps (403) are installed on the top end of the sliding block platform (402).
4. The novel loading tool for the double-sided lap-joint shear test piece test according to claim 3, is characterized in that: bolt holes are formed in the top end of the steel plate base (1) at equal intervals, and a steel cushion block (2) and a sliding rail (401) are mounted on the top end of the steel plate base (1) through fixing bolts.
5. The novel loading tool for the double-sided lap-joint shear test piece test according to claim 4, is characterized in that: one end of the sliding rail (401) is provided with a limiting block (9), a displacement meter is fixed inside the displacement meter clamp (403), and a jack (10) is installed between the test piece bodies (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122965810.9U CN216695909U (en) | 2021-11-29 | 2021-11-29 | Novel test loading tool for double-sided lap joint shear test piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122965810.9U CN216695909U (en) | 2021-11-29 | 2021-11-29 | Novel test loading tool for double-sided lap joint shear test piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216695909U true CN216695909U (en) | 2022-06-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122965810.9U Active CN216695909U (en) | 2021-11-29 | 2021-11-29 | Novel test loading tool for double-sided lap joint shear test piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216695909U (en) |
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2021
- 2021-11-29 CN CN202122965810.9U patent/CN216695909U/en active Active
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