CN215179191U

CN215179191U - Constant stress press

Info

Publication number: CN215179191U
Application number: CN202120736260.0U
Authority: CN
Inventors: 李先瑞
Original assignee: Nuclear Industry Tianjin Engineering Survey Institute
Current assignee: Nuclear Industry Tianjin Engineering Survey Institute Co ltd
Priority date: 2021-04-12
Filing date: 2021-04-12
Publication date: 2021-12-14
Anticipated expiration: 2031-04-12

Abstract

The utility model relates to a pressure device technical field discloses a constant stress press, the on-line screen storage device comprises a base, base surface middle part fixed mounting has the slide rail of two sets of parallels and symmetric distribution, and common slidable mounting has a brace table on the slide rail, is provided with the slide on the brace table, base surface both sides middle part fixed mounting has the curb plate of two sets of symmetric distribution, and the curb plate is located base homonymy surface distribution and the curb plate with the slide rail and rotates jointly and install the threaded rod that is on a parallel with the slide rail distribution, and the threaded rod passes brace table and threaded rod and brace table threaded connection, base surface fixed mounting has the pillar that the multiunit is located slide rail outside central symmetric distribution. The utility model has the advantages that: make things convenient for the installation and the dismantlement of sample, realized the fixed of isostructure sample, increased the functional of detection, can make the pressure detection linear rise, avoid pressure detection to appear beating, be favorable to improving the accuracy that detects.

Description

Constant stress press

Technical Field

The utility model relates to a pressure device technical field specifically is a constant stress press.

Background

The concrete is a building material with the widest application and the largest consumption in engineering construction, and a compression testing machine is required to test the compression resistance, bending resistance and the like of a concrete test block, a member and the like in the engineering construction process so as to judge the performance of the concrete test block, the member and the like.

And current press can not be convenient place the sample in the position that detects when using to increased the work load when detecting, the sample of different shapes is difficult to stable the placing on detecting the position, has reduced the accuracy that detects, and current press pressure can't stably increase when detecting, leads to pressure to appear beating, is unfavorable for detecting the use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a constant stress press to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a constant stress press, includes the base, base surface middle part fixed mounting has two sets of parallel and symmetric distribution's slide rail, and common slidable mounting has a brace table on the slide rail, is provided with the slide on the brace table, base surface both sides middle part fixed mounting has two sets of symmetric distribution's curb plate, and the curb plate is located base homonymy surface distribution and the common rotation of curb plate with the slide rail and installs the threaded rod that is on a parallel with the slide rail distribution, and the threaded rod passes brace table and threaded rod and brace table threaded connection, base surface fixed mounting has the multiunit to be located the pillar of slide rail outside central symmetric distribution, and the common fixed mounting of one end that the base was kept away from to the pillar has the roof that is on a parallel with the base, is provided with pressure mechanism on the roof.

As a further aspect of the present invention: one end of the threaded rod penetrates through the side plate and is fixedly provided with a handle.

As a further aspect of the present invention: the utility model discloses a supporting bench, including a supporting bench, a base, a sliding plate, two sets of splint symmetric distributions, a supporting bench keeps away from the surface both sides fixed mounting of base has two sets of interval distribution's backup pad, and backup pad middle part slidable mounting has the slide perpendicular and that run through the backup pad, and the one end fixed mounting that the slide is close to each other has the cross-section to be trapezoidal splint, two sets of splint symmetric distributions, and a supporting bench is kept away from to the backup pad surperficial middle part threaded connection has a perpendicular to brace table's set screw.

As a further aspect of the present invention: the pressure mechanism comprises a motor, the motor is fixedly mounted in the middle of the surface of the top plate far away from the base, a motor output shaft is perpendicular to the top plate and extends towards the direction far away from the base, a lead screw is fixedly connected with the tail end of the motor output shaft and coaxially distributed, an upper movable plate is rotatably mounted on the lead screw, two groups of connecting rods which are symmetrically distributed on two sides of the lead screw and penetrate through the top plate along the direction perpendicular to the top plate are fixedly mounted on the surface of the upper movable plate close to the top plate, and a lower movable plate is fixedly mounted on one end, far away from the upper movable plate, of the connecting rods.

As a further aspect of the present invention: the surface of the top plate far away from the base is fixedly provided with a U-shaped fixing frame with an opening pointing to the top plate, and the part of the fixing frame parallel to the top plate is rotatably connected with one end, far away from the motor, of the screw rod.

As a further aspect of the present invention: and the middle part of the surface of the lower movable plate, which is far away from the top plate, is fixedly provided with a pressure sensor.

As a further aspect of the present invention: the outer side of the lower moving plate is provided with a plurality of groups of limiting columns which are distributed in a central symmetry mode, are perpendicular and penetrate through the lower moving plate, one end, close to the base, of each limiting column is fixedly provided with a pressing plate, one end, close to the top plate, of each limiting column is fixedly provided with a limiting plate, the surface, close to the lower moving plate, of each limiting plate is fixedly provided with springs distributed around the corresponding limiting column, and one end, far away from the limiting plate, of each spring is fixedly connected to the lower moving plate.

Compared with the prior art, the beneficial effects of the utility model are that: through setting up a supporting bench and splint, the sample that will wait to detect during the use is placed on a supporting bench, if sample shape rule and terminal surface level and smooth then promote the slide and make splint and sample contact, the part that is close to a supporting bench through splint contacts with the sample, thereby later realize that the sample is tight through the position of set screw fixation splint, if the sample shape is irregular, adjust the position of two sets of splint earlier and fix, V type structure through splint inclined plane constitution supports the sample fixedly, thereby drive a supporting bench through the handle rotation threaded rod and remove, make things convenient for the installation and the dismantlement of sample, the fixed of not isostructure sample has been realized, the functionality that detects has been increased.

Through setting up the lead screw, upward movable plate and clamp plate, the motor passes through the lead screw and drives upward movable plate and remove to the base direction, thereby upward movable plate drives through the connecting rod and moves down movable plate and clamp plate and be close to the base and detect the sample, make the clamp plate extrude pressure sensor when clamp plate and sample contact, the pressure that the reading reflection sample received through pressure sensor, thereby accomplish the detection of sample, realized the detection of sample, and can make the detection pressure linear rise, avoid detecting pressure to appear beating, be favorable to improving the accuracy that detects.

Drawings

Fig. 1 is a schematic structural diagram of a constant stress press.

Fig. 2 is a left side view of a constant stress press.

Fig. 3 is a front view of a constant stress press.

Wherein: 1. a base; 2. a slide rail; 3. a support table; 4. a side plate; 5. a threaded rod; 6. a handle; 7. a support plate; 8. a slide plate; 9. a splint; 10. a set screw; 11. a pillar; 12. a top plate; 13. a motor; 14. a screw rod; 15. a fixed mount; 16. pressing a plate; 17. moving the plate upwards; 18. a connecting rod; 19. a lower moving plate; 20. a pressure sensor; 21. a limiting column; 22. a limiting plate; 23. a spring; 24. a pressure mechanism.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "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 used merely for convenience of description and for 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. Furthermore, the terms "first", "second", etc. 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," "second," etc. 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 otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Example one

Please refer to fig. 1-3, a constant stress press, which comprises a base 1, wherein two sets of parallel and symmetrical sliding rails 2 are fixedly installed in the middle of the surface of the base 1, a supporting table 3 is jointly and slidably installed on the sliding rails 2, a sliding plate 8 is arranged on the supporting table 3, two sets of supporting plates 7 are fixedly installed on two sides of the surface of the supporting table 3 far away from the base 1, the sliding plate 8 which is perpendicular to and penetrates through the supporting plate 7 is slidably installed in the middle of the supporting plate 7, a clamping plate 9 with a trapezoidal cross section is fixedly installed at one end of the sliding plate 8 close to each other, the two sets of clamping plates 9 are symmetrically distributed, a sample is fixed through the clamping plate 9, the middle of the surface of the supporting table 3 far away from the supporting plate 7 is in threaded connection with a fixing screw 10 perpendicular to the supporting table 3, and the position of the clamping plate 9 is fixed through the fixing screw 10.

A plurality of groups of supporting columns 11 which are positioned on the outer side of the sliding rail 2 and are distributed in a central symmetry manner are fixedly arranged on the surface of the base 1, one end of each supporting column 11, which is far away from the base 1, is jointly and fixedly provided with a top plate 12 which is parallel to the base 1, a pressure mechanism 24 is arranged on the top plate 12, the pressure mechanism 24 comprises a motor 13, the motor 13 is fixedly arranged in the middle of the surface of the top plate 12, which is far away from the base 1, an output shaft of the motor 13 is vertical to the top plate 12 and extends towards the direction far away from the base 1, the tail end of the output shaft of the motor 13 is fixedly connected with a screw 14 which is distributed coaxially, an upper moving plate 17 is rotatably arranged on the screw 14, the motor 13 drives the upper moving plate 17 to move through the screw 14, two groups of connecting rods 18 which are positioned on two sides of the screw 14 and distributed symmetrically and penetrate through the top plate 12 along the direction of the top plate 12 are fixedly arranged on the surface of the upper moving plate 17, and a lower moving plate 19 is jointly and fixedly arranged on one end of the connecting rod 18, which is far away from the upper moving plate 17, the middle part of the surface of the lower moving plate 19 far away from the top plate 12 is fixedly provided with a pressure sensor 20.

A plurality of groups of limiting columns 21 which are distributed centrosymmetrically and vertically and penetrate through the lower moving plate 19 are slidably mounted on the outer side of the lower moving plate 19, a pressing plate 16 is fixedly mounted at one end of each limiting column 21 close to the base 1, a limiting plate 22 is fixedly mounted at one end of each limiting column 21 close to the top plate 12, springs 23 distributed around the limiting columns 21 are fixedly mounted on the surface of each limiting plate 22 close to the lower moving plate 19, one ends of the springs 23 far away from the limiting plates 22 are fixedly connected to the lower moving plate 19, and the pressing plates 16 are in contact with a sample to generate pressure, so that the pressure sensors 20 detect the pressure applied to the sample.

Example two

On the basis of the first embodiment, two groups of side plates 4 which are symmetrically distributed are fixedly installed in the middle of two sides of the surface of the base 1, the side plates 4 and the slide rails 2 are located on the same side of the base 1 and are distributed on the surface, the side plates 4 are jointly rotatably installed with threaded rods 5 which are parallel to the slide rails 2, the threaded rods 5 penetrate through the support table 3, the threaded rods 5 are in threaded connection with the support table 3, one end of each threaded rod 5 penetrates through the side plate 4 and is fixedly provided with a handle 6, the threaded rods 5 are rotated through the handles 6 to drive the support table 3 to move, and therefore installation and disassembly of a sample are facilitated; the surface of the top plate 12 far away from the base 1 is fixedly provided with a U-shaped fixing frame 15 with an opening pointing to the top plate 12, and the part of the fixing frame 15 parallel to the top plate 12 is rotatably connected with one end of the screw rod 14 far away from the motor 13.

The utility model discloses a theory of operation is: when the device is used, a sample to be detected is placed on the supporting table 3, if the sample is regular in shape and smooth in end face, the sliding plate 8 is pushed to enable the clamping plate 9 to be in contact with the sample, the part of the clamping plate 9, which is close to the supporting table 3, is in contact with the sample, then the position of the clamping plate 9 is fixed through the fixing screw 10 to clamp the sample, if the sample is irregular in shape, the positions of the two groups of clamping plates 9 are adjusted and fixed, the sample is supported and fixed through a V-shaped structure formed by inclined planes of the clamping plates 9, then the motor 13 is started, the motor 13 drives the upper moving plate 17 to move towards the base 1 through the screw rod 14, the upper moving plate 17 drives the lower moving plate 19 and the pressing plate 16 to be close to the base 1 through the connecting rod 18 to detect the sample, when the pressing plate 16 is in contact with the sample, the pressing plate 16 extrudes the pressure sensor 20, the pressure on the sample is reflected through the reading of the pressure sensor 20, and the detection of the sample is completed, thereby rotate threaded rod 5 through handle 6 and drive a supporting bench 3 and remove, make things convenient for the installation and the dismantlement of sample.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a constant stress press, includes the base, its characterized in that, base surface middle part fixed mounting has two sets of parallel and symmetric distribution's slide rail, and common slidable mounting has a brace table on the slide rail, is provided with the slide on the brace table, base surface both sides middle part fixed mounting has two sets of symmetric distribution's curb plate, and the curb plate is located base homonymy surface distribution and the common rotation of curb plate with the slide rail and installs the threaded rod that is on a parallel with the slide rail distribution, and the threaded rod passes brace table and threaded rod and brace table threaded connection, base surface fixed mounting has the pillar that the multiunit is located slide rail outside central symmetric distribution, and the common fixed mounting of one end that the base was kept away from to the pillar has the roof that is on a parallel with the base, is provided with pressure mechanism on the roof.

2. A constant force press as claimed in claim 1, wherein the threaded rod has one end passing through the side plate and a handle fixedly mounted thereto.

3. The constant-stress press according to claim 1, wherein two sets of supporting plates are fixedly arranged on two sides of the surface of the supporting table far away from the base, the supporting plates are arranged at intervals, sliding plates which are vertical to each other and penetrate through the supporting plates are slidably arranged in the middle of the supporting plates, clamping plates with trapezoidal cross sections are fixedly arranged at the ends, close to each other, of the sliding plates, the two sets of clamping plates are symmetrically arranged, and fixing screws which are vertical to the supporting table are in threaded connection with the middle of the surface of the supporting plate far away from the supporting table.

4. The constant-stress press according to claim 1, wherein the pressure mechanism comprises a motor, the motor is fixedly installed in the middle of the surface of the top plate far from the base, the output shaft of the motor is perpendicular to the top plate and extends in the direction far from the base, the tail end of the output shaft of the motor is fixedly connected with a lead screw which is coaxially distributed, an upper moving plate is rotatably installed on the lead screw, two groups of connecting rods which are symmetrically distributed on two sides of the lead screw and penetrate through the top plate along the direction perpendicular to the top plate are fixedly installed on the surface of the upper moving plate close to the top plate, and a lower moving plate is fixedly installed at one end of each connecting rod far from the upper moving plate.

5. The constant-stress press according to claim 1, wherein a U-shaped fixing frame with an opening pointing to the top plate is fixedly installed on the surface of the top plate far away from the base, and the part of the fixing frame parallel to the top plate is rotatably connected with one end of the screw rod far away from the motor.

6. A constant stress press according to claim 4, wherein the lower movable plate has a pressure sensor fixedly mounted in the middle of the surface thereof remote from the top plate.

7. A constant-stress press as claimed in claim 4 or 6, wherein a plurality of sets of limiting posts are slidably mounted on the outer side of the lower moving plate, the limiting posts are distributed centrally and symmetrically and are perpendicular to and penetrate through the lower moving plate, a pressing plate is fixedly mounted at one ends of the limiting posts close to the base together, limiting plates are fixedly mounted at one ends of the limiting posts close to the top plate, springs distributed around the limiting posts are fixedly mounted on the surfaces of the limiting plates close to the lower moving plate, and one ends of the springs far away from the limiting plates are fixedly connected to the lower moving plate.