CN210893941U

CN210893941U - Steel member drawing experimental device

Info

Publication number: CN210893941U
Application number: CN201921692509.1U
Authority: CN
Inventors: 石杰
Original assignee: Tianjin Gangfeng Construction And Installation Engineering Co ltd
Current assignee: Tianjin Gangfeng Construction And Installation Engineering Co ltd
Priority date: 2019-10-10
Filing date: 2019-10-10
Publication date: 2020-06-30
Anticipated expiration: 2029-10-10

Abstract

The utility model relates to a steel member draws technical field, and a steel member draws experimental apparatus is disclosed, the on-line screen storage device comprises a base, platform and pneumatic cylinder, the many spinal branchs post of lower fixed surface of below platform be connected with evenly distributed, the lower extreme fixed connection of pillar is in the upper surface of base, pneumatic cylinder fixed connection is in the central point of base upper surface puts, the first bracing piece of piston rod top fixedly connected with of pneumatic cylinder, the equal fixedly connected with connecting rod in both ends of first bracing piece, the top fixedly connected with second bracing piece of connecting rod, the one end of connecting rod and the platform fixed connection of top are kept away from to the second bracing piece, the fixed support that is equipped with in base upper surface left and right sides, the connecting rod is located the. The utility model discloses can carry out the clamp that stabilizes to the both ends of steel member and press from both sides tightly, guarantee the experiment effect, ensure the authenticity of experimental data, drawing to the steel member that simultaneously also can be convenient takes notes, the record experiment result of being convenient for.

Description

Steel member drawing experimental device

Technical Field

The utility model relates to a steel member draws technical field, especially relates to a steel member draws experimental apparatus.

Background

The steel member is a steel structure combined member which is formed by connecting steel plates, angle steel, channel steel, I-steel, welded or hot-rolled H-shaped steel cold pipes or welded through connecting pieces and can bear and transfer load, in the technical fields of traffic, steel structure and other engineering, the steel member needs to be subjected to a drawing experiment to test the fatigue resistance of the steel member, and two ends of the steel member are generally of a T-shaped structure.

The unstable problem exists when there is fixed steel in current steel member drawing experimental apparatus, can influence the result of experiment, leads to the erroneous judgement to steel member performance, may lead to the emergence of incident.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the device is unstable to the steel member among the prior art, and the steel member that provides draws experimental apparatus.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a steel member drawing experiment device comprises a base, a hydraulic cylinder, a first platform and a second platform, wherein a plurality of uniformly distributed supporting columns are fixedly connected to the lower surface of the first platform, the lower ends of the supporting columns are fixedly connected to the upper surface of the base, the hydraulic cylinder is fixedly connected to the central position of the upper surface of the base, a first supporting rod is fixedly connected to the top end of a piston rod of the hydraulic cylinder, connecting rods are fixedly connected to the two ends of the first supporting rod, a second supporting rod is fixedly connected to the top end of the connecting rod, one end, away from the connecting rod, of the second supporting rod is fixedly connected with the side wall of the second platform, supports are fixedly arranged on the left side and the right side of the upper surface of the base, and the connecting rods;

first platform inner wall top fixedly connected with first lead screw case, first lead screw incasement portion is equipped with two-way lead screw, two-way lead screw passes through antifriction bearing and rotates to be connected in lateral wall and left end extend to first platform outside and the rotation connection has first carousel about first lead screw case, the equal threaded connection of two-way lead screw left and right sides screw thread department has first nut, the first dead lever of top fixedly connected with of first nut, the top fixedly connected with clamp splice of first dead lever, the supplementary fixed establishment of first platform inner wall below fixedly connected with.

Preferably, supplementary fixed establishment includes second lead screw case, second lead screw case fixed connection is in first platform inner wall lower surface, the inside one-way lead screw that is equipped with of second lead screw case, the upper and lower both ends of one-way lead screw are rotated through antifriction bearing and are connected in the outer and rotationally connected with the second carousel of the upper and lower tank wall and the lower extreme of second lead screw case extending to first platform, the screw thread department threaded connection of one-way lead screw has the second nut, the second dead lever of the equal fixedly connected with L type in both sides around the second nut, the top fixedly connected with splint of second dead lever.

Preferably, the upper rod wall of the connecting rod is marked with scale marks, and the top of the support is provided with a pointer corresponding to the scale positions of the connecting rod.

Preferably, the second platform and the first platform are symmetrical in internal structure.

Preferably, the first platform and the second platform inner assembly are made of high-strength materials.

Preferably, a balancing weight is installed inside the base.

Compared with the prior art, the utility model provides a steel member draws experimental apparatus possesses following beneficial effect:

1. this steel member draws experimental apparatus realizes the clamp of horizontal direction and vertical direction respectively through the cooperation between clamp splice and fixes for the steel member can not take place the removal outside the prediction when drawing the experiment, ensures to press from both sides tight effect, guarantees the authenticity of experimental result.

2. This steel member draws experimental apparatus, through the scale on the connecting rod and the pointer on the support, the length variation of observing the steel member around the experiment that can be clear, the accurate statistics of the experimental result of being convenient for.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can carry out firm clamp to the both ends of steel member, guarantee the experiment effect, ensure the authenticity of experimental data, drawing to the steel member that simultaneously also can be convenient carries out the record, the record of the experimental result of being convenient for.

Drawings

FIG. 1 is a schematic structural view of a steel member drawing experimental device provided by the utility model;

FIG. 2 is a schematic front view of the first platen shown in FIG. 1;

fig. 3 is a schematic side view of the first platform in fig. 1.

In the figure: the device comprises a base 1, a hydraulic cylinder 2, a first platform 3, a second platform 4, a support 5, a first supporting rod 6, a connecting rod 7, a second supporting rod 8, a support 9, a first screw rod box 10, a two-way screw rod 11, a first rotating disc 12, a first nut 13, a first fixing rod 14, a clamping block 15, a second screw rod box 16, a one-way screw rod 17, a second rotating disc 18, a second nut 19, a second fixing rod 20, a clamping plate 21 and a pointer 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "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 being 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.

Referring to fig. 1-3, a steel member drawing experimental device comprises a base 1, a hydraulic cylinder 2, a first platform 3 and a second platform 4, wherein a balancing weight is installed inside the base 1 to ensure that the whole device does not slide or shake, a plurality of uniformly distributed pillars 5 are fixedly connected to the lower surface of the first platform 3, the lower ends of the pillars 5 are fixedly connected to the upper surface of the base 1, the hydraulic cylinder 2 is fixedly connected to the central position of the upper surface of the base 1, a first support rod 6 is fixedly connected to the top end of a piston rod of the hydraulic cylinder 2, connecting rods 7 are fixedly connected to both ends of the first support rod 6, a second support rod 8 is fixedly connected to the top end of the connecting rod 7, one end of the second support rod 8, which is far away from the connecting rod 7, is fixedly connected to the side wall of the second platform 4, brackets 9 are fixedly arranged on the left and, the upper rod wall of the connecting rod 7 is marked with scale marks, and the top of the bracket 9 is provided with a pointer 22 corresponding to the scale positions of the connecting rod 7, so that the change of the length of the steel component in the test can be conveniently observed and recorded;

3 inner wall tops of first platform fixedly connected with first lead screw case 10, the inside two-way lead screw 11 that is equipped with of first lead screw case 10, two-way lead screw 11 rotates to be connected in lateral wall and left end extend to first platform 3 outside and swivelling joint has first carousel 12 about first lead screw case 10 through antifriction bearing, the equal threaded connection of two-way lead screw 11 left and right sides screw department has first nut 13, the first dead lever 14 of top fixedly connected with of first nut 13, the top fixedly connected with clamp splice 15 of first dead lever 14, carry out the fixed of horizontal direction to the steel member through the cooperation of the clamp splice 15 of the left and right sides, 3 inner wall belows of first platform fixedly connected with supplementary fixed establishment, supplementary fixed establishment includes second lead screw case 16, second lead screw case 16 is fixedly connected in 3 inner wall lower surfaces of first platform, the inside one-way lead screw 17 that is equipped with of second lead screw case 16, the upper and lower extreme of one-way lead screw 17 rotates to be connected in the upper and lower extreme To first platform 3 outer and swivelling joint have second carousel 18, the screw thread department threaded connection of one-way lead screw 17 has second nut 19, the second dead lever 20 of the equal fixedly connected with L type in both sides around second nut 19, the top fixedly connected with splint 21 of second dead lever 20, the cooperation through splint 21 and clamp splice 15 carries out the fixed of horizontal direction to the steel member, second platform 4 and 3 inner structure symmetries of first platform, first platform 3 and 4 inner assembly of second platform all adopt high strength material, in order to ensure that the device can not damage when drawing the experiment.

In the utility model, before the experiment, the steel member is placed between the first platform 3 and the second platform 4, the first handle 12 is rotated to drive the bidirectional screw rod 11 to rotate, so that the left clamping block and the right clamping block 15 are driven to be close to by the first nut 13 and the connected first fixing rod 14, the steel member is clamped in the horizontal direction, the second handle 18 is rotated to drive the unidirectional screw rod 17 to rotate, the clamping plate 21 is driven to move by the second nut 19 and the connected second fixing rod 20, the steel member is pushed to move, the clamping in the vertical direction is realized by matching with the upper surface and the lower surface of the clamping block 15, and the fixation of the steel member is realized;

during the experiment, observe the scale on the record connecting rod 7 earlier through pointer 22, open pneumatic cylinder 2 for pneumatic cylinder 2 drives first bracing piece 6 and rises at the uniform velocity, and first bracing piece 6 drives second platform 4 through connecting rod 7 and second bracing piece 8 and rises at the uniform velocity, draws the steel member, observes the record according to the scale of specific experiment demand on to connecting rod 7.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The steel member drawing experimental device comprises a base (1), a hydraulic cylinder (2), a first platform (3) and a second platform (4), and is characterized in that a plurality of pillars (5) which are uniformly distributed are fixedly connected to the lower surface of the first platform (3), the lower ends of the pillars (5) are fixedly connected to the upper surface of the base (1), the hydraulic cylinder (2) is fixedly connected to the central position of the upper surface of the base (1), a first support rod (6) is fixedly connected to the top end of a piston rod of the hydraulic cylinder (2), connecting rods (7) are fixedly connected to the two ends of the first support rod (6), a second support rod (8) is fixedly connected to the top end of each connecting rod (7), one end of each second support rod (8), far away from the connecting rods (7), is fixedly connected to the side wall of the second platform (4), and supports (9) are fixedly arranged on the left side and the right side of the upper surface of the base, the connecting rod (7) is positioned in a limiting hole formed in the bracket (9);

first platform (3) inner wall top fixedly connected with first lead screw case (10), first lead screw case (10) inside is equipped with two-way lead screw (11), two-way lead screw (11) rotate through antifriction bearing connect in about first lead screw case (10) lateral wall and left end extend to first platform (3) outer and rotation connection have first carousel (12), the equal threaded connection of two-way lead screw (11) left and right sides screw thread department has first nut (13), the first dead lever of top fixedly connected with (14) of first nut (13), the top fixedly connected with clamp splice (15) of first dead lever (14), the supplementary fixed establishment of first platform (3) inner wall below fixedly connected with.

2. The steel member drawing experiment device according to claim 1, wherein the auxiliary fixing mechanism comprises a second lead screw box (16), the second lead screw box (16) is fixedly connected to the lower surface of the inner wall of the first platform (3), a one-way lead screw (17) is arranged inside the second lead screw box (16), the upper end and the lower end of the one-way lead screw (17) are rotatably connected to the upper box wall and the lower box wall of the second lead screw box (16) through rolling bearings, the lower end of the one-way lead screw extends out of the first platform (3) and is rotatably connected with a second turntable (18), a second nut (19) is in threaded connection with the threaded part of the one-way lead screw (17), the second fixing rod (20) of the L shape is fixedly connected to the front side and the rear side of the second nut (19), and a clamping plate (21) is fixedly connected to the top end of the.

3. A steel member drawing experiment device according to claim 1, wherein the upper rod wall of the connecting rod (7) is marked with scale marks, and the top of the bracket (9) is provided with a pointer (22) corresponding to the scale position of the connecting rod (7).

4. A steel member drawing experimental device according to claim 1, characterized in that the second platform (4) and the first platform (3) have symmetrical internal structure.

5. A steel member drawing experiment device according to claim 1, characterized in that the inner components of the first platform (3) and the second platform (4) are made of high-strength materials.

6. A steel member drawing experiment device according to claim 1, wherein a balancing weight is installed inside the base (1).