阅读说明：本技术 一种检测加速运动工况下的混凝土温度收缩膨胀率测定仪 (Concrete temperature shrinkage expansion rate tester under condition of detecting accelerated motion ) 是由 王五星 于 2020-11-23 设计创作，主要内容包括：本发明公开了一种检测加速运动工况下的混凝土温度收缩膨胀率测定仪,涉及混凝土测量领域,包括测试仓,所述测试仓的内部设置有纵向底板,且纵向底板的顶端设置有担板,所述担板的一端设置有纵向测试块。本发明通过设置的测试仓、纵向底板、担板、纵向测试块、纵向固定块、横向测试块、横向固定块和加热层,实现了可以将试块放置在测试仓的内部位于纵向底板的顶端进行测量,试块内的测钉对准纵向固定块内的固定槽和横向固定块,由纵向千分表和横向千分表对其进行测试,一次测试之后不必将其取出,加热加热层,即可获得升温测量数据,持续升温获得持续数据,不必将其取出,减少操作误差,减少操作麻烦,提高测试效率。(The invention discloses a concrete temperature shrinkage expansion rate tester under the condition of detecting accelerated motion, which relates to the field of concrete measurement and comprises a test bin, wherein a longitudinal bottom plate is arranged in the test bin, a stretcher plate is arranged at the top end of the longitudinal bottom plate, and a longitudinal test block is arranged at one end of the stretcher plate. The invention realizes that the test block can be placed in the test bin and positioned at the top end of the longitudinal bottom plate for measurement through the arrangement of the test bin, the longitudinal bottom plate, the stretcher plate, the longitudinal test block, the longitudinal fixed block, the transverse test block, the transverse fixed block and the heating layer, the test nails in the test block are aligned with the fixed groove and the transverse fixed block in the longitudinal fixed block, the test block is tested by the longitudinal dial indicator and the transverse dial indicator, the test block is not required to be taken out after one-time test, the heating layer is heated, temperature-rising measurement data can be obtained, continuous temperature rising is obtained, the continuous data is not required to be taken out, the operation error is reduced, the operation trouble is reduced, and the test.)

1. The utility model provides a concrete temperature shrinkage expansion rate apparatus of detection under accelerated motion operating mode, includes test chamber (1), its characterized in that: the testing device is characterized in that a longitudinal bottom plate (2) is arranged inside the testing bin (1), a stretcher plate (3) is arranged at the top end of the longitudinal bottom plate (2), a longitudinal testing block (4) is arranged at one end of the stretcher plate (3), a longitudinal dial indicator (5) is arranged on one side of the longitudinal testing block (4), the output end of the longitudinal dial indicator (5) is connected with a probe (7), the outer side of the probe (7) is connected with a spring (8), one end of the probe (7) is connected with the spring (8), a motor (9) is arranged on the outer side of the testing bin (1), the output end of the motor (9) is connected with a first bevel gear (10), one side of the first bevel gear (10) is connected with a second bevel gear (11), one side of the second bevel gear (11) is connected with a screw rod (12), a sliding block (13) is arranged on the outer side of the screw rod (12), the testing device is characterized in that a limiting groove (15) matched with the limiting block (14) is formed in the longitudinal testing block (4), a first hinged seat (16) is arranged on one side, away from the limiting block (14), of the sliding block (13), a connecting rod (17) is connected to one side of the first hinged seat (16), a second hinged seat (18) is connected to one end of the connecting rod (17), a longitudinal fixing block (19) is arranged at one end, away from the longitudinal testing block (4), of the carrying plate (3), a fixing groove (20) is formed in the longitudinal fixing block (19), a transverse bottom plate (21) is arranged on one side, located on the longitudinal bottom plate (2), of the testing bin (1), a transverse testing block (23) is arranged at the top end of the transverse bottom plate (21), a transverse dial indicator (22) is installed on one side of the transverse testing block (23), and a transverse fixing block (24) is connected to one side, away from the transverse dial, one side that the inside of test bin (1) is located horizontal test block (23) and vertical test block (4) is provided with zone of heating (25), and one side of zone of heating (25) is provided with heat preservation filler (26).

2. The concrete temperature contraction expansion rate tester for detecting the working condition of accelerated motion according to claim 1, is characterized in that: one side of test bin (1) is connected with the pivot, and test bin (1) rotates through the pivot and is connected with flip, be provided with the equipment lock between flip and test bin (1), and flip's top is provided with the blast pipe, the outside of blast pipe is provided with the control valve.

3. The concrete temperature contraction expansion rate tester for detecting the working condition of accelerated motion according to claim 1, is characterized in that: the first bevel gear (10) is meshed with the second bevel gear (11), an output shaft is connected to the output end of the motor (9), and the output shaft penetrates through the test chamber (1) and extends into the test chamber.

4. The concrete temperature contraction expansion rate tester for detecting the working condition of accelerated motion according to claim 1, is characterized in that: the outside of lead screw (12) is provided with the external screw thread, and the quantity of external screw thread is two sets of, two sets of external screw thread opposite direction, the quantity of slider (13) is two sets of, and two sets of the inside of slider (13) all is provided with external screw thread assorted screw hole, and two sets of slider (13) all with lead screw (12) sliding connection, two sets of slider (13) all pass through stopper (14) and spacing groove (15) sliding connection with vertical test piece (4).

5. The concrete temperature contraction expansion rate tester for detecting the working condition of accelerated motion according to claim 1, is characterized in that: connecting rod (17) and slider (13) are connected through first articulated seat (16) rotation, and connecting rod (17) and probe (7) are connected through second articulated seat (18) rotation.

6. The concrete temperature contraction expansion rate tester for detecting the working condition of accelerated motion according to claim 1, is characterized in that: the stretcher plate (3) is fixedly connected with the longitudinal test block (4) and the longitudinal fixing block (19).

7. The concrete temperature contraction expansion rate tester for detecting the working condition of accelerated motion according to claim 1, is characterized in that: the outside of test bin (1) is provided with the wire, and test bin (1) has display and controller through wire electric connection, controller and motor (9) and zone of heating (25) electric connection.

8. The concrete temperature contraction expansion rate tester for detecting the working condition of accelerated motion according to claim 1, is characterized in that: the transverse fixing block (24) and the longitudinal fixing block (19) are identical in structure, and the transverse testing block (23) and the longitudinal testing block (4) are identical in structure.

9. The concrete temperature contraction expansion rate tester for detecting the working condition of accelerated motion according to claim 1, is characterized in that: the number of the heat-preservation fillers (26) is four, and the four groups of the heat-preservation fillers (26) are respectively positioned at four corners inside the test bin (1).

Technical Field

The invention relates to the field of concrete measurement, in particular to a tester for detecting the concrete temperature shrinkage expansion rate under the condition of accelerated motion.

Background

The concrete shrinkage-expansion instrument is an instrument for measuring a change in length (volume) of a concrete sample under a predetermined temperature and humidity condition.

The existing concrete contraction and expansion instrument utilizes the dial indicator to measure a test block, the dial indicator is taken down to be heated and then placed into the expansion instrument for detection every time, the test cannot be continuously carried out, the test efficiency is not high, certain operation errors exist when the dial indicator is taken down and placed into the expansion instrument, manual debugging is needed between the existing concrete contraction and expansion instrument dial indicator and the test block, the operation is troublesome, the existing concrete contraction and expansion instrument can only longitudinally measure the test block, the longitudinal expansion rate is obtained, and the transverse expansion rate is not measured.

Disclosure of Invention

The invention aims to: in order to solve the problems that the existing concrete contraction and expansion instrument utilizes a dial indicator to measure a test block, the dial indicator is taken down to be heated and then put into the expansion instrument to be detected every time when the test is carried out, the test cannot be carried out continuously, the test efficiency is not high, a certain operation error exists when the dial indicator is taken down and put into the expansion instrument, manual debugging is needed between the existing concrete contraction and expansion instrument dial indicator and the test block, the operation is troublesome, the existing concrete contraction and expansion instrument can only longitudinally measure the test block, the longitudinal expansion rate is obtained, and the transverse expansion rate is not measured, the concrete temperature contraction and expansion rate tester under the working condition of detecting accelerated motion is provided.

In order to achieve the purpose, the invention provides the following technical scheme: a concrete temperature contraction expansion rate tester under the working condition of detecting accelerated motion comprises a testing chamber, wherein a longitudinal bottom plate is arranged inside the testing chamber, a stretcher plate is arranged at the top end of the longitudinal bottom plate, a longitudinal testing block is arranged at one end of the stretcher plate, a longitudinal dial indicator is arranged on one side of the longitudinal testing block, the output end of the longitudinal dial indicator is connected with a probe, the outer side of the probe is connected with a spring, one end of the probe is connected with the spring, a motor is arranged on the outer side of the testing chamber, the output end of the motor is connected with a first bevel gear, one side of the first bevel gear is connected with a second bevel gear, one side of the second bevel gear is connected with a lead screw, a sliding block is arranged on the outer side of the lead screw, a limiting block is connected with one side of the sliding block, a limiting groove matched with the limiting block is arranged inside the longitudinal testing block, and one side of first articulated seat is connected with the connecting rod, the one end of connecting rod is connected with the articulated seat of second, the one end that vertical test piece was kept away from to the stretcher board is provided with vertical fixed block, and the inside of vertical fixed block is provided with the fixed slot, one side that the inside of test bin is located vertical bottom plate is provided with horizontal bottom plate, and the top of horizontal bottom plate is provided with horizontal test piece, horizontal amesdial is installed to one side of horizontal test piece, one side that horizontal amesdial was kept away from to vertical bottom plate is connected with horizontal fixed block, one side that the inside of test bin is located horizontal test piece and vertical test piece is provided with the zone of heating, and one side of zone of heating.

Preferably, one side of test bin is connected with the pivot, and the test bin rotates through the pivot and is connected with flip, be provided with the equipment lock between flip and the test bin, and flip's top is provided with the blast pipe, the outside of blast pipe is provided with the control valve.

Preferably, the first bevel gear is meshed with the second bevel gear, an output shaft is connected to an output end of the motor, and the output shaft penetrates through the test chamber and extends into the test chamber.

Preferably, the outside of lead screw is provided with the external screw thread, and the quantity of external screw thread is two sets of, and is two sets of external screw thread opposite direction, the quantity of slider is two sets of, and is two sets of the inside of slider all is provided with external screw thread assorted screw hole, and is two sets of the slider all with lead screw sliding connection, two sets of slider and vertical test piece all pass through stopper and spacing groove sliding connection.

Preferably, the connecting rod is rotatably connected with the sliding block through a first hinge base, and the connecting rod is rotatably connected with the probe through a second hinge base.

Preferably, the stretcher plate is fixedly connected with the longitudinal test block and the longitudinal fixing block.

Preferably, the outside of test bin is provided with the wire, and test bin has display and controller through wire electric connection, controller and motor and zone of heating electric connection.

Preferably, the transverse fixing block and the longitudinal fixing block have the same structure, and the transverse testing block and the longitudinal testing block have the same structure.

Preferably, the number of the heat preservation fillers is four, and the four groups of the heat preservation fillers are respectively positioned at four corners inside the test bin.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention can realize that the test block can be placed in the test bin and positioned at the top end of the longitudinal bottom plate for measurement through the arranged test bin, the longitudinal bottom plate, the stretcher plate, the longitudinal test block, the longitudinal fixed block, the transverse test block, the transverse fixed block and the heating layer, the test nails in the test block are aligned with the fixed groove and the transverse fixed block in the longitudinal fixed block, the test block is tested by the longitudinal dial indicator and the transverse dial indicator, the test block is not required to be taken out after one-time test, the heating layer is heated, the temperature rise measurement data can be obtained, the continuous temperature rise is obtained, the continuous data is not required to be taken out, the operation error is reduced, the operation trouble is reduced, and the test;

2. according to the invention, through the arrangement of the longitudinal test block, the longitudinal dial indicator, the sleeve, the probe, the spring, the motor, the first bevel gear, the second bevel gear, the screw rod, the sliding block, the limiting groove, the first hinging seat, the connecting rod and the second hinging seat, when the test block is placed at the top end of the stretcher plate for measurement, the motor is started, the motor can drive the first bevel gear and the second bevel gear to rotate, so that the two groups of sliding blocks are driven to move transversely, the connecting rod pulls the probe to move through the first hinging seat and the second hinging seat, so that the aim of adjusting the probe to align with the measurement pin is fulfilled, manual operation adjustment is not needed, and the rapid, convenient and appropriate continuous test is;

3. according to the invention, through the arrangement of the longitudinal bottom plate, the stretcher plate, the longitudinal test block, the longitudinal dial indicator, the transverse bottom plate, the transverse dial indicator, the transverse test block and the transverse fixing block, the expansion rate of the test block can be longitudinally measured, and meanwhile, the data of the transverse expansion rate can be obtained, so that the data are more comprehensive.

Drawings

FIG. 1 is a cross-sectional view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic view of the connection structure of the longitudinal dial indicator of the present invention;

FIG. 4 is a partial schematic view of the present invention;

fig. 5 is a schematic structural view of the longitudinal fixing block of the present invention.

In the figure: 1. a test bin; 2. a longitudinal floor; 3. a stretcher board; 4. a longitudinal test block; 5. a longitudinal dial indicator; 6. a sleeve; 7. a probe; 8. a spring; 9. a motor; 10. a first bevel gear; 11. a second bevel gear; 12. a screw rod; 13. a slider; 14. a limiting block; 15. a limiting groove; 16. a first hinge mount; 17. a connecting rod; 18. a second hinge mount; 19. a longitudinal fixing block; 20. fixing grooves; 21. a transverse floor; 22. a transverse dial indicator; 23. a transverse test block; 24. a transverse fixing block; 25. a heating layer; 26. and (5) insulating filler.

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 of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., 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, but 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 thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention based on its overall structure.

Referring to fig. 1-5, a concrete temperature contraction expansion rate tester under accelerated motion detection working condition comprises a test chamber 1, a longitudinal bottom plate 2 is arranged in the test chamber 1, a stretcher plate 3 is arranged at the top end of the longitudinal bottom plate 2, a longitudinal test block 4 is arranged at one end of the stretcher plate 3, a longitudinal dial indicator 5 is arranged at one side of the longitudinal test block 4, the output end of the longitudinal dial indicator 5 is connected with a probe 7, the outer side of the probe 7 is connected with a spring 8, one end of the probe 7 is connected with the spring 8, a motor 9 is arranged at the outer side of the test chamber 1, the output end of the motor 9 is connected with a first bevel gear 10, one side of the first bevel gear 10 is connected with a second bevel gear 11, one side of the second bevel gear 11 is connected with a lead screw 12, the outer side of the lead screw 12 is provided with a slide block 13, one side of the slide block 13 is connected with a limit block 14, one side that stopper 14 was kept away from to slider 13 is provided with first articulated seat 16, and one side of first articulated seat 16 is connected with connecting rod 17, the one end of connecting rod 17 is connected with the articulated seat 18 of second, the one end that vertical test block 4 was kept away from to stretcher board 3 is provided with vertical fixed block 19, and the inside of vertical fixed block 19 is provided with fixed slot 20, one side that the inside of test chamber 1 is located vertical bottom plate 2 is provided with horizontal bottom plate 21, and the top of horizontal bottom plate 21 is provided with horizontal test block 23, horizontal amesdial 22 is installed to one side of horizontal test block 23, one side that horizontal amesdial 22 was kept away from to vertical bottom plate 2 is connected with horizontal fixed block 24, one side that the inside of test chamber 1 is located horizontal test block 23 and vertical test block 4 is provided with the zone of heating 25.

According to the invention, through the arrangement of the test bin 1, the longitudinal bottom plate 2, the stretcher plate 3, the longitudinal test block 4, the longitudinal fixed block 19, the transverse test block 23, the transverse fixed block 24 and the heating layer 25, the test block can be placed inside the test bin 1 and positioned at the top end of the longitudinal bottom plate 2 for measurement, a test nail in the test block is aligned with the fixed groove 20 and the transverse fixed block 24 in the longitudinal fixed block 19 and is tested by the longitudinal dial indicator 5 and the transverse dial indicator 22, the test block does not need to be taken out after one-time test, the heating layer 25 is heated, temperature rise measurement data can be obtained, continuous temperature rise is obtained, the test block does not need to be taken out, the operation error is reduced, the operation trouble is reduced, and the test efficiency.

Please refer to fig. 2, one side of the testing chamber 1 is connected with a rotating shaft, the testing chamber 1 is connected with a flip cover through the rotating shaft, an equipment lock is arranged between the flip cover and the testing chamber 1, the top end of the flip cover is provided with an exhaust pipe, and the outer side of the exhaust pipe is provided with a control valve.

In the invention, the inner side of the flip cover is provided with the heat insulation material, the control valve can be opened when heat dissipation is needed, and the air pressure in the test chamber 1 can be kept balanced by opening the control valve.

Referring to fig. 3, the first bevel gear 10 is engaged with the second bevel gear 11, and the output end of the motor 9 is connected with an output shaft, and the output shaft penetrates through the testing chamber 1 and extends into the testing chamber.

According to the invention, through the arrangement of the longitudinal test block 4, the longitudinal dial indicator 5, the sleeve 6, the probe 7, the spring 8, the motor 9, the first bevel gear 10, the second bevel gear 11, the screw rod 12, the sliding block 13, the limiting block 14, the limiting groove 15, the first hinge seat 16, the connecting rod 17 and the second hinge seat 18, when the test block is placed at the top end of the stretcher plate 3 for measurement, the motor 9 is started, the motor 9 can drive the first bevel gear 10 and the second bevel gear 11 to rotate, so that the two groups of sliding blocks 13 are driven to move transversely, and the connecting rod 17 pulls the probe 7 to move through the first hinge seat 16 and the second hinge seat 18, so that the purpose of adjusting the probe 7 to align to the measuring pin is achieved, manual operation adjustment is not needed, and the test is convenient, fast and suitable.

Please refer to fig. 3, the outer side of the screw rod 12 is provided with two sets of external threads, the directions of the two sets of external threads are opposite, the number of the sliding blocks 13 is two, the inner parts of the two sets of sliding blocks 13 are provided with threaded holes matched with the external threads, the two sets of sliding blocks 13 are connected with the screw rod 12 in a sliding manner, and the two sets of sliding blocks 13 are connected with the longitudinal testing block 4 in a sliding manner through the limiting block 14 and the limiting groove 15.

In the invention, the limiting block 14 and the limiting groove 15 play a role in limiting the sliding block 13, and the sliding block is prevented from turning over when moving on the screw rod 12.

Please refer to fig. 3, the connecting rod 17 is rotatably connected to the sliding block 13 via a first hinge base 16, and the connecting rod 17 is rotatably connected to the probe 7 via a second hinge base 18.

In the present invention, sliding grooves are formed on one side of the longitudinal test block 4 and one side of the transverse test block 23, and the connecting rod 17 penetrates through the sliding grooves and extends into the sliding grooves.

Please refer to fig. 1 and 4, the stretcher 3 is fixedly connected to the longitudinal testing block 4 and the longitudinal fixing block 19.

In the present invention, the number of the stretcher plates 3 is two, and the two stretcher plates 3 may be made of metal, so that the heat conduction effect of the metal is good.

Please refer to fig. 1, the outer side of the testing chamber 1 is provided with a conducting wire, and the testing chamber 1 is electrically connected to a display and a controller through the conducting wire, and the controller is electrically connected to the motor 9 and the heating layer 25.

In the invention, the recording module in the display can record the measured data and also record the set temperature and time, thereby being convenient to generate more comprehensive data information.

Please refer to fig. 4, the transverse fixing block 24 and the longitudinal fixing block 19 have the same structure, and the transverse testing block 23 and the longitudinal testing block 4 have the same structure.

According to the invention, through the arrangement of the longitudinal bottom plate 2, the stretcher plate 3, the longitudinal test block 4, the longitudinal dial indicator 5, the transverse bottom plate 21, the transverse dial indicator 22, the transverse test block 23 and the transverse fixing block 24, the expansion rate of the test block can be longitudinally measured, and meanwhile, the data of the transverse expansion rate can be obtained, so that the data are more comprehensive.

Please refer to fig. 1, the number of the heat insulating filler 26 is four, and the four groups of the heat insulating filler 26 are respectively located at four corners inside the testing chamber 1.

In the invention, the heat-insulating filler 26 can be made of heat-insulating sponge material, the temperature inside the test chamber 1 can be displayed through a display, and can also be controlled through a controller, and whether heat-dissipating and cooling equipment is additionally arranged inside the test chamber 1 or not is selected according to the actual use condition.

The working principle is as follows: when the device is used, an external power supply is required to be connected and supplies electric energy to the device, so that the device can normally operate, firstly, the turnover cover at the top end of the test chamber 1 is opened, then the test block is placed at the top end of the longitudinal bottom plate 2 and positioned at the top end of the stretcher plate 3, the test nail at one end and one side of the control test block respectively enters the fixed groove 20 inside the longitudinal fixed block 19 and the fixed groove 20 inside the transverse fixed block 24 for fixing, then the motor 9 is controlled to be started, so that the motor 9 drives the first bevel gear 10 to rotate, because the first bevel gear 10 is meshed with the second bevel gear 11, the motor 9 drives the second bevel gear 11 to rotate, the second bevel gear 11 drives the screw rod 12 to rotate, the screw rod 12 is matched with the limit block 14 and the limit groove 15 to enable the sliding blocks 13 to move back and forth, the two groups of sliding blocks 13 move relatively, and when, the movement of the sliding block 13 can drive the connecting rod 17 to change the angle at the same time, the connecting rod 17 can drive the probe 7 to move backwards when the angle is changed, the probe 7 retracts towards the inside of the sleeve 6 under the action of the spring 8 until a measuring nail at the other end of the test block appears, two groups of sliding blocks 13 are controlled to approach each other, the probe 7 moves forwards under the action of the connecting rod 17 until contacting with the measuring nail, the longitudinal dial indicator 5 starts to display data, the same is also true for the transverse dial indicator 22, when the two groups of dial indicators start to display data, a display and a controller which are connected through wires can record the data, then the heating layer 25 is controlled to start, the heating layer 25 starts to heat the inside of the real test bin 1, the test block is heated at the same time, the heated test block expands, the readings of the two groups of dial indicators change, the recording is continued, and the continuous heating change is continuously recorded, until predictive data was obtained, the test was completed.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.