CN216208096U

CN216208096U - Stable-clamping auxiliary device for concrete bending-resistant tensile test

Info

Publication number: CN216208096U
Application number: CN202122413041.1U
Authority: CN
Inventors: 沈玉
Original assignee: CCCC SHEC Third Highway Engineering Co Ltd
Current assignee: CCCC SHEC Third Highway Engineering Co Ltd
Priority date: 2021-10-08
Filing date: 2021-10-08
Publication date: 2022-04-05
Anticipated expiration: 2031-10-08

Abstract

The utility model discloses a stably-clamped concrete bending-tensile test auxiliary device which comprises a workbench, wherein the rear upper end of the workbench is connected with a connecting plate in a sliding manner, an adjusting mechanism is arranged on the connecting plate, the adjusting mechanism comprises a first connecting groove, a second connecting groove, a connecting piece, a lug, a connecting shaft and a first motor, and meanwhile, the front lower end of the connecting plate is fixedly connected with a bearing plate; the supporting frame is fixedly connected to the upper left end of the workbench, a connecting strip is arranged inside the upper right end of the supporting frame in a sliding mode, the inner end of the connecting strip is connected with a gear in a meshed mode, and the second motor is installed at the right end of the rear side gear; the cylinder, cylinder bolted connection is in the upper left end of support frame, and the limiting plate is installed to the lower extreme of cylinder. This stabilize concrete bending resistance of centre gripping and draw experimental auxiliary device not only is convenient for stably carry out the centre gripping to the concrete, is applicable to the concrete of different length moreover easily, and the convenience is simultaneously bent to draw the concrete.

Description

Stable-clamping auxiliary device for concrete bending-resistant tensile test

Technical Field

The utility model relates to the technical field related to concrete bending and pulling resistance tests, in particular to a stably-clamped auxiliary device for a concrete bending and pulling resistance test.

Background

Concrete is one of the indispensable raw materials of road and house, and the toughness of concrete influences the intensity of road and house, therefore need carry out the bending tensile test after the concrete production, can use auxiliary device in the testing process.

However, the general auxiliary device for the concrete bending and pulling resistance test is not only inconvenient for stably clamping concrete, but also not easy to be applied to concrete with different lengths, and is also inconvenient for bending and pulling the concrete, so that the auxiliary device for the concrete bending and pulling resistance test with stable clamping is provided so as to solve the problems provided in the above.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a stably-clamped auxiliary device for a concrete bending and pulling resistance test, which aims to solve the problems that most of concrete bending and pulling resistance test auxiliary devices proposed in the background art are not convenient for stably clamping concrete, are not easy to adapt to concrete with different lengths, and are inconvenient for bending and pulling the concrete.

In order to achieve the purpose, the utility model provides the following technical scheme: a stably-clamped concrete bending-tensile test auxiliary device comprises a workbench, wherein the rear upper end of the workbench is connected with a connecting plate in a sliding mode, an adjusting mechanism is arranged on the connecting plate and comprises a first connecting groove, a second connecting groove, a connecting piece, a lug, a connecting shaft and a first motor, and a bearing plate is fixedly connected to the front lower end of the connecting plate;

the supporting frame is fixedly connected to the upper left end of the workbench, a connecting strip is arranged inside the upper right end of the supporting frame in a sliding mode, the inner end of the connecting strip is connected with a gear in a meshed mode, and the second motor is installed at the right end of the rear side gear;

the cylinder, cylinder bolted connection is in the upper left end of support frame, and the lower extreme of cylinder installs the limiting plate, and wherein the inside threaded connection of left end of limiting plate has the threaded rod.

Preferably, the upper end of connecting plate is equidistant first spread groove and the second spread groove of having seted up respectively, and first spread groove sets up the upper end at the connecting plate with the second spread groove is alternate to the upper right end of workstation rotates and is connected with the connecting axle.

Preferably, the rear end of the connecting shaft is provided with a first motor, the front end of the connecting shaft is integrally connected to a connecting piece, and the diameter of the connecting piece is equal to that of the inner end of the second connecting groove;

the right front end fixedly connected with lug of connecting piece, and the lug block is connected in the inside of first connecting groove to the loading board passes through lug and second connecting groove and is sliding construction in the upper end of workstation.

Preferably, the longitudinal section is looked to the lower extreme right side of the preceding lower extreme of loading board and the lower extreme of connecting plate and is "T" style of calligraphy structure, and the upper left side of loading board is provided with the stripper plate to the integration of symmetry is connected in the upper end of stripper plate around the connecting strip, and wherein the stripper plate is elevating movement through connecting strip and gear at the upside of loading board.

Preferably, the lower extreme of threaded rod rotates the upper left end of connecting at the connecting seat, and the longitudinal section of connecting seat is "F" style of calligraphy structure, the left end of limiting plate slides and sets up inside the left wall of connecting seat.

Compared with the prior art, the utility model has the beneficial effects that: the stably-clamped auxiliary device for the concrete bending and pulling resistance test is convenient for stably clamping concrete, is easy to be suitable for the concrete with different lengths, and is convenient for bending and pulling the concrete;

1. the extrusion plate is in lifting motion on the upper side of the bearing plate through the connecting strips and the gears, so that the front and rear groups of gears are meshed with the connecting strips to drive the extrusion plate to descend when rotating until the lower end of the extrusion plate tightly abuts against the upper end of concrete, and the concrete is conveniently and stably clamped;

2. the bearing plate is of a sliding structure at the upper end of the workbench through the convex block and the second connecting groove, so that the convex block and the first connecting groove are clamped when the connecting piece rotates, and the connecting plate and the bearing plate slide left and right in the workbench, and the bearing plate is easily suitable for concrete with different lengths;

3. be equipped with limiting plate and threaded rod, the left end of limiting plate slides and sets up inside the left wall of connecting seat for the left end of limiting plate slides to the upper end in the left wall of threaded rod when the threaded rod rotates, fixes a position the left end of concrete until limiting plate and connecting seat, thereby conveniently bends to draw the concrete.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic diagram of a right side sectional view of the connection between the connection plate and the bearing plate according to the present invention;

FIG. 3 is a schematic cross-sectional view of the connection between a limiting plate and a threaded rod according to the present invention;

fig. 4 is a schematic sectional view of a connection between a first connection groove and a second connection groove according to the present invention.

In the figure: 1. a work table; 2. a connecting plate; 3. an adjustment mechanism; 301. a first connecting groove; 302. a second connecting groove; 303. a connecting member; 304. a bump; 305. a connecting shaft; 306. a first motor; 4. a carrier plate; 5. a connecting strip; 6. a pressing plate; 7. a gear; 8. a second motor; 9. a support frame; 10. a cylinder; 11. a limiting plate; 12. a threaded rod; 13. a connecting seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a stably-clamped concrete bending-tensile test auxiliary device comprises a workbench 1, a connecting plate 2, an adjusting mechanism 3, a bearing plate 4, a connecting strip 5, an extrusion plate 6, a gear 7, a second motor 8, a supporting frame 9, an air cylinder 10, a limiting plate 11, a threaded rod 12 and a connecting seat 13, when the stably-clamped concrete bending-tensile test auxiliary device is used, concrete is placed at the upper left end of the bearing plate 4 by combining the drawing 1, the drawing 2 and the drawing 3, the extrusion plate 6 is in lifting motion at the upper side of the bearing plate 4 through the connecting strip 5 and the gear 7, the second motor 8 drives the gear 7 at the rear side to rotate when working, and the gear 7 at the rear side is meshed with the gear 7 at the front side to drive the gear 7 at the front side to rotate when rotating;

when the front and rear groups of gears 7 rotate, the gears 7 are meshed with the inner ends of the front and rear symmetrical connecting strips 5, the front and rear groups of gears 7 drive the connecting strips 5 to descend until the extrusion plate 6 tightly abuts against the upper end of concrete, the front lower end of the bearing plate 4 is slidably arranged in the front end of the workbench 1, and the bearing plate 4 can stably support the concrete, so that the concrete is stably clamped, and the longitudinal section of the connecting strips 5 is of a T-shaped structure, so that the connecting strips 5 are prevented from being separated from the inner part of the right upper end of the support frame 9 when descending;

with reference to fig. 1, 3 and 4, the position of the connecting plate 2 on the workbench 1 is adjusted according to the length of concrete, the connecting plate 2 is adjusted through a structure composed of a first connecting groove 301, a second connecting groove 302, a connecting member 303, a projection 304, a connecting shaft 305 and a first motor 306, the bearing plate 4 is in a sliding structure at the upper end of the workbench 1 through the projection 304 and the second connecting groove 302, the first motor 306 drives the connecting shaft 305 to rotate when working, and the connecting shaft 305 drives the connecting member 303 to rotate when rotating;

because the upper end of the connecting plate 2 is respectively provided with a first connecting groove 301 and a second connecting groove 302 at equal intervals, and the first connecting groove 301 and the second connecting groove 302 are alternately arranged at the upper end of the connecting plate 2, the left end of the connecting piece 303 rotates at the inner end of the second connecting groove 302, and the lug 304 is clamped and connected in the first connecting groove 301, the lower end of the connecting plate 2 and the front lower end of the bearing plate 4 slide in the workbench 1 to the left end through the second connecting groove 302 and the first connecting groove 301 until the left end of the concrete moves onto the connecting seat 13, thereby being easily applicable to concrete with different lengths, because the front lower end of the bearing plate 4 and the right side-looking longitudinal section of the lower end of the connecting plate 2 are both of a T-shaped structure, the connecting plate 2 and the bearing plate 4 cannot be separated from the interior of the workbench 1;

combine fig. 1 and fig. 3, the left end of concrete removes on connecting seat 13 after, rotates threaded rod 12 and lets it rotate on connecting seat 13, lets the left end of limiting plate 11 slide to the upper end on the left wall of connecting seat 13, makes connecting seat 13 rise, supports the upper end at the concrete until the lower extreme of limiting plate 11, and the inner of connecting seat 13 then supports the lower extreme at the concrete, and cylinder 10 drives limiting plate 11 and goes up and down during operation, thereby carries out the bending tensile test to the concrete, this is exactly this concrete bending tensile test auxiliary device's of stabilizing the centre gripping theory of operation.

The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described, and the content not described in detail in the specification belongs to the prior art known by persons skilled in the art.

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 various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a concrete bending tensile test auxiliary device of stable centre gripping which characterized in that includes:

the device comprises a workbench (1), wherein the rear upper end of the workbench (1) is connected with a connecting plate (2) in a sliding manner, the connecting plate (2) is provided with an adjusting mechanism (3), the adjusting mechanism (3) comprises a first connecting groove (301), a second connecting groove (302), a connecting piece (303), a convex block (304), a connecting shaft (305) and a first motor (306), and the front lower end of the connecting plate (2) is fixedly connected with a bearing plate (4);

the supporting frame (9) is fixedly connected to the upper left end of the workbench (1), a connecting strip (5) is arranged inside the upper right end of the supporting frame (9) in a sliding mode, the inner end of the connecting strip (5) is connected with a gear (7) in a meshing mode, and the second motor (8) is installed at the right end of the rear side gear (7);

cylinder (10), cylinder (10) bolted connection is in the upper left end of support frame (9), and limiting plate (11) are installed to the lower extreme of cylinder (10), and wherein the left end internal thread of limiting plate (11) is connected with threaded rod (12).

2. The stably-clamped concrete bending-resistant tensile test auxiliary device is characterized in that: the upper end of connecting plate (2) is equidistant first connecting groove (301) and second connecting groove (302) of having seted up respectively, and first connecting groove (301) and second connecting groove (302) alternate the setting in the upper end of connecting plate (2) to the upper right end of workstation (1) rotates and is connected with connecting axle (305).

3. The stably-clamped concrete bending-resistant tensile test auxiliary device is characterized in that: a first motor (306) is mounted at the rear end of the connecting shaft (305), the front end of the connecting shaft (305) is integrally connected to a connecting piece (303), and the diameter of the connecting piece (303) is equal to that of the inner end of the second connecting groove (302);

the right front end of the connecting piece (303) is fixedly connected with a convex block (304), the convex block (304) is clamped and connected inside the first connecting groove (301), and the bearing plate (4) is of a sliding structure at the upper end of the workbench (1) through the convex block (304) and the second connecting groove (302).

4. The stably-clamped concrete bending-resistant tensile test auxiliary device according to claim 3, is characterized in that: the longitudinal section is looked to the lower extreme right side of the preceding lower extreme of loading board (4) and the lower extreme of connecting plate (2) and is "T" style of calligraphy structure, and the upper left side of loading board (4) is provided with stripper plate (6) to the integration of symmetry is connected in the upper end of stripper plate (6) around connecting strip (5), and wherein stripper plate (6) are elevating movement through connecting strip (5) and gear (7) at the upside of loading board (4).

5. The stably-clamped concrete bending-resistant tensile test auxiliary device is characterized in that: the lower extreme of threaded rod (12) is rotated and is connected the upper left end at connecting seat (13), and the longitudinal section of connecting seat (13) is "F" style of calligraphy structure, the left end of limiting plate (11) slides and sets up inside the left wall of connecting seat (13).