CN216791840U

CN216791840U - Screw rod assembly of hydraulic testing machine

Info

Publication number: CN216791840U
Application number: CN202220133070.4U
Authority: CN
Inventors: 吴瑞学; 毛连旭
Original assignee: Jinan Chuanbai Instrument Equipment Co ltd
Current assignee: Jinan Chuanbai Instrument Equipment Co ltd
Priority date: 2022-01-19
Filing date: 2022-01-19
Publication date: 2022-06-21
Anticipated expiration: 2032-01-19

Abstract

The utility model relates to the field of hydraulic test accessories, in particular to a screw assembly of a hydraulic testing machine, which comprises a connecting platen, wherein a connecting shell is vertically and movably arranged above the connecting platen through a lifting mechanism, two sliding shells are slidably arranged on the inner side of the connecting shell along the directions of two sides, a screw rod mechanism is arranged on the inner side of the connecting shell, the two sliding shells are controlled by the screw rod mechanism to move close to or away from each other, two side baffles extending towards the front are arranged on the inner side of each sliding shell, and an elastic mechanism is arranged between the rear ends of the two side baffles.

Description

Lead screw assembly of hydraulic testing machine

Technical Field

The utility model relates to the field of hydraulic test accessories, in particular to a lead screw assembly of a hydraulic test machine.

Background

The hydraulic testing machine is a machine mainly used for tensile, compression, bending and shearing tests of metal materials, in the prior art, in the test process, an article is placed between a fixing plate and a hydraulic plate of the hydraulic testing machine, but the position of the article is difficult to limit, the problem that the article slides away is easily caused during extrusion, and when a hand or a tool is used for assisting limiting, the problem that the hand is damaged or the tool is crushed after the article is crushed during extrusion is caused, so that inconvenience is brought.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a lead screw assembly of a hydraulic testing machine.

In order to achieve the above purposes, the technical scheme adopted by the utility model is as follows: the utility model provides a lead screw assembly of hydraulic test machine, is including connecting the platen, there is the connecting shell the top of connecting the platen through elevating system along vertical movable mounting, slidable mounting has two slip shells along both sides direction in the inboard of connecting the shell, the inboard of connecting the shell is provided with screw rod mechanism, two the slip shell passes through screw rod mechanism control and is close to or keeps away from the removal mutually, the inboard of slip shell is provided with two side shields towards the place ahead extension, two be provided with elastic mechanism between the side shield rear end.

Preferably, a support plate is fixedly mounted on the lower end face of the connecting bedplate, and two corners of the lower end of the support plate are respectively and fixedly connected with a mounting frame.

Preferably, the lifting mechanism comprises a telescopic rod fixedly installed on the upper end face of the connecting bedplate, and the upper telescopic end of the telescopic rod is fixedly installed on the lower end face of the connecting shell.

Preferably, the lower end surface of the connecting shell is vertically and fixedly connected with guide rods close to the two sides respectively, the guide rods extend downwards, and the lower ends of the guide rods penetrate through the upper end surface of the bedplate in a sliding mode.

Preferably, screw rod mechanism is including rotating the lead screw of connection in the connecting shell inboard, just the lead screw extends towards both sides, the output shaft of motor is connected to the one end of lead screw, the lower terminal surface fixed mounting of motor has the mount pad, just mount pad fixed mounting is at one side surface of connecting the shell, the rear end face fixedly connected with thread plate of smooth shell, the lead screw runs through the inboard and mutual screw-thread fit of thread plate, the border of thread plate and the inner wall sliding contact of connecting the shell, along with the lead screw rotates two thread plates and is close to each other or keep away from the removal each other.

Preferably, the elastic mechanism comprises a sliding block fixedly connected to the rear end of the side baffle, the sliding block is clamped into the inner side of the sliding shell in a sliding mode, a fixed column is fixedly connected to the inner side of the sliding shell, the fixed column extends vertically, the upper sliding block and the lower sliding block are sleeved on the outer surface of the fixed column in a sliding mode, a compression spring is sleeved on the outer side of the fixed column, and the compression spring is located between the upper sliding block and the lower sliding block.

Compared with the prior art, the utility model has the following beneficial effects:

the assembly is arranged near the hydraulic press, the side baffle plates extend into the space between the fixed plate and the hydraulic plate, after articles are placed on the hydraulic plate, the motor operates, when the screw rod rotates, the two thread plates move close to each other, namely, the side baffle plates on the two sides move close to each other, the side baffle plates are ensured to be close to the articles as far as possible, the position of the two side baffle plates on one side is limited at the position where the articles are close to the upper part and the lower part correspondingly, so that the stability of the articles is facilitated, when the hydraulic plate moves to be matched with the fixed plate to extrude the articles, the side baffle plates on the two sides play a limiting role to prevent the articles from being extruded and flying away, when the articles are continuously pressurized and crushed, the hydraulic plate can push the side baffle plates, the two side baffle plates on one side can move close to each other, namely, the sliding block correspondingly slides on the inner side of the sliding shell, so that the problem that the side baffle plates are crushed is not caused, and the limit of the bearing pressure of the articles is obtained when the extrusion and crushing is observed, therefore, the extrusion can be stopped in time, the problem that two side baffles on one side extrude each other due to continuous pressurization cannot occur, the stability of the object in the test is facilitated, and the mechanism of the assembly cannot be crushed.

Drawings

FIG. 1 is a schematic structural diagram of a screw assembly of a hydraulic testing machine according to the present invention;

FIG. 2 is a partial cross-sectional view of a connecting housing of a lead screw assembly of a hydraulic testing machine according to the present invention;

FIG. 3 is a partial cross-sectional view of a slide housing of a lead screw assembly of a hydraulic testing machine according to the present invention;

fig. 4 is a schematic diagram of a screw assembly of a hydraulic testing machine in use.

1. A support plate; 2. a mounting frame; 3. connecting the bedplate; 4. a telescopic rod; 5. a guide bar; 6. a connecting shell; 7. a screw rod; 8. a motor; 9. a mounting seat; 10. a slide case; 11. a thread plate; 12. a side dam; 13. a slider; 14. fixing a column; 15. a compression spring; 16. a hydraulic press; 17. a hydraulic plate; 18. and (5) fixing the plate.

Detailed Description

The following description is presented to disclose the utility model so as to enable any person skilled in the art to practice the utility model. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

The screw assembly of the hydraulic testing machine shown in fig. 1-4 comprises a connecting platen 3, a connecting shell 6 is vertically and movably mounted above the connecting platen 3 through a lifting mechanism, two sliding shells 10 are slidably mounted on the inner side of the connecting shell 6 along the directions of two sides, a screw mechanism is arranged on the inner side of the connecting shell 6, the two sliding shells 10 are controlled by the screw mechanism to be close to or far away from each other, two side baffles 12 extending towards the front are arranged on the inner side of each sliding shell 10, and an elastic mechanism is arranged between the rear ends of the two side baffles 12.

The lower terminal surface fixed mounting who connects platen 3 has backup pad 1, and two corners of the lower extreme of backup pad 1 are fixedly connected with mounting bracket 2 respectively, and mounting bracket 2 is easy to assemble fixedly.

Elevating system includes telescopic link 4 of fixed mounting at connecting platen 3 up end, and the flexible fixed mounting in the lower terminal surface of connecting shell 6 in the top of telescopic link 4, and electronic jar is chooseed for use to telescopic link 4, and the height of control lift is comparatively accurate.

The lower end face of the connecting shell 6 is close to the two sides and is respectively and fixedly connected with guide rods 5 in a vertical mode, the guide rods 5 extend downwards, the lower ends of the guide rods 5 penetrate through the upper end face of the bedplate 3 in a sliding mode, and the guide rods 5 promote the stability degree of the connecting shell 6 when moving up and down.

Screw rod mechanism is including rotating the lead screw 7 of connecting at 6 inboards of connecting shell, and lead screw 7 extends towards both sides upwards, the output shaft of motor 8 is connected to the one end of lead screw 7, motor 8's lower terminal surface fixed mounting has mount pad 9, and mount pad 9 fixed mounting is at one side surface of connecting shell 6, the rear end face fixedly connected with thread plate 11 of smooth shell 10, lead screw 7 runs through the inboard and mutual screw-thread fit of thread plate 11, the border of thread plate 11 and the inner wall sliding contact of connecting shell 6, along with lead screw 7 rotates two thread plates 11 and is close to each other or keep away from the removal each other.

Elastic mechanism includes slider 13 of fixed connection in 12 rear ends of side shield, and slider 13 slides and blocks the inboard of slip shell 10, and the inboard fixedly connected with fixed column 14 of slip shell 10, fixed column 14 are along vertical extension, and two upper and lower sliders 13 all slip the suit at fixed column 14's surface, and the outside cover of fixed column 14 is equipped with compression spring 15, and compression spring 15 is located between two upper and lower sliders 13.

As shown in fig. 4, the hydraulic press 16 is used in cooperation with the hydraulic press 16, the hydraulic press 16 is a common device, the hydraulic plate 17 on the hydraulic press is a plate body which is controlled to lift through a hydraulic cylinder, and not described in detail, the components are installed near the hydraulic press 16, the installation frame 2 is fixed on the ground, the side baffles 12 extend into the space between the fixed plate 18 and the hydraulic plate 17, after an article is placed on the hydraulic plate 17, the motor 8 operates, when the screw rod 7 rotates, the two thread plates 11 move close to each other, that is, the side baffles 12 on the two sides move close to each other, so as to ensure that the side baffles 12 are close to the article as far as possible, the two side baffles 12 on one side are correspondingly limited at the position where the article is close to the upper and the lower position, which is beneficial to the stability of the article, when the hydraulic plate 17 moves to cooperate with the fixed plate 18 to extrude the article, the side baffles 12 on the two sides play a limiting role in preventing the article from being extruded and flying away, and when the article is continuously pressurized and crushed, the hydraulic plate 17 can push the side baffle 12, the two side baffles 12 on one side can move relatively close to each other, namely, the sliding block 13 slides correspondingly on the inner side of the sliding shell 10, so that the problem that the side baffles 12 are crushed can not be caused, the limit of the bearing pressure of the article can be obtained when the article is extruded and crushed, and therefore the extrusion can be stopped in time, the problem that the two side baffles 12 on one side are extruded mutually due to continuous pressurization can not occur, the stability of the article in the test can be facilitated, and the mechanism of the assembly can not be crushed.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, 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

1. The utility model provides a lead screw assembly of hydraulic testing machine, is including connecting platen (3), its characterized in that: the improved structure is characterized in that a connecting shell (6) is movably mounted above the connecting bedplate (3) along the vertical direction through a lifting mechanism, two sliding shells (10) are slidably mounted on the inner side of the connecting shell (6) along the directions of two sides, a screw rod mechanism is arranged on the inner side of the connecting shell (6), the two sliding shells (10) are controlled by the screw rod mechanism to be close to or far away from the connecting shell, two side baffles (12) extending towards the front are arranged on the inner side of each sliding shell (10), and an elastic mechanism is arranged between the rear ends of the side baffles (12).

2. The screw assembly of the hydraulic testing machine according to claim 1, wherein: the lower end face of the connecting bedplate (3) is fixedly provided with a supporting plate (1), and two corners of the lower end of the supporting plate (1) are respectively fixedly connected with a mounting frame (2).

3. The screw assembly of the hydraulic testing machine according to claim 1, wherein: the lifting mechanism comprises a telescopic rod (4) fixedly installed on the upper end face of the connecting bedplate (3), and the upper telescopic end of the telescopic rod (4) is fixedly installed on the lower end face of the connecting shell (6).

4. The screw assembly of the hydraulic testing machine according to claim 3, wherein: the lower end face of the connecting shell (6) close to the two sides is respectively and fixedly connected with guide rods (5) vertically, the guide rods (5) extend downwards, and the lower ends of the guide rods (5) are connected with the upper end face of the bedplate (3) in a sliding penetrating mode.

5. The lead screw assembly of a hydraulic testing machine according to claim 1, characterized in that: screw rod mechanism is including rotating lead screw (7) of connecting at connecting shell (6) inboard, just lead screw (7) extend towards both sides direction, the output shaft of motor (8) is connected to the one end of lead screw (7), the lower terminal surface fixed mounting of motor (8) has mount pad (9), just mount pad (9) fixed mounting is at one side surface of connecting shell (6), rear end face fixedly connected with thread plate (11) of smooth shell (10), lead screw (7) run through the inboard and mutual screw-thread fit of thread plate (11), the border of thread plate (11) and the inner wall sliding contact of connecting shell (6), along with lead screw (7) rotate two thread plates (11) and are close to each other or keep away from the removal each other.

6. The lead screw assembly of a hydraulic testing machine according to claim 1, characterized in that: elastic mechanism includes slider (13) of fixed connection in side shield (12) rear end, slider (13) slip card is gone into the inboard of slip shell (10), the inboard fixedly connected with fixed column (14) of slip shell (10), vertical extension is followed in fixed column (14), and two from top to bottom slider (13) equal slip suit is at the surface of fixed column (14), the outside cover of fixed column (14) is equipped with compression spring (15), compression spring (15) are located between two upper and lower sliders (13).