CN210953887U

CN210953887U - Engineering thermophysical-based expansion coefficient measuring device

Info

Publication number: CN210953887U
Application number: CN201921704815.2U
Authority: CN
Inventors: 李哲; 张黎丽; 侯黎爽
Original assignee: Zhengzhou University
Current assignee: Zhengzhou University
Priority date: 2019-10-12
Filing date: 2019-10-12
Publication date: 2020-07-07
Anticipated expiration: 2029-10-12

Abstract

The utility model discloses an expansion coefficient measuring device based on engineering thermophysics, including base, sensor device and resistance furnace, the lower extreme four corners of base all articulates there is the hinge bar, and the downside one end of hinge bar articulates there is the slider, the downside other end of hinge bar articulates on the base, the one end of slider and the one end fixed connection of first spring, and first spring and slider all set up inside the upper end of base, the other end fixed welding of first spring is on the inner wall of base, and the lower extreme of base pastes and has the cushion, the right-hand member upside fixed mounting of base has sensor device. The utility model discloses a set up the linkage structure of screw and lead screw for this device can change the removal of coming control resistance stove through rotating, and this mode is comparatively laborsaving compared the hand propelled, and the speed controllability is strong, also can not take place the displacement because the resistance stove receives outside touching.

Description

Engineering thermophysical-based expansion coefficient measuring device

Technical Field

The utility model relates to an expansion coefficient measuring device technical field specifically is an expansion coefficient measuring device based on engineering thermophysics.

Background

Engineering thermophysical expansion coefficient measuring device mainly used for detecting the expansion and contraction performance of materials in a high-temperature state, the expansion coefficient measuring device mainly comprises a sensor device, a resistance furnace, a trolley, a base and an electrical appliance control box, the trolley of the resistance furnace at present adopts a simple mode of a slide rail pulley to move the resistance furnace, although the operation is convenient, if the operation is improper, the resistance furnace is pushed by using too much force, the resistance furnace can slide too fast to generate larger inertia and can not be stopped, so that a quartz bearing rod can excessively extend into the resistance furnace and even generate friction and collision with the inner wall of the furnace, in addition, when the quartz bearing rod extends into the resistance furnace, if the device shakes excessively due to the conditions of table top shaking and the like, the quartz rod collides with the inner wall of the resistance furnace, thereby influencing the detection result, and even wear devices, for this reason we propose an expansion coefficient measuring device based on engineering thermophysics to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an expansion coefficient measuring device based on engineering thermophysics to solve the XXX's that proposes among the above-mentioned background art problem.

In order to achieve the above object, the utility model provides a following technical scheme: an expansion coefficient measuring device based on engineering thermophysics comprises a base, a sensor device and a resistance furnace, wherein four corners of the lower end of the base are hinged with hinged rods, one end of the lower side of each hinged rod is hinged with a sliding block, the other end of the lower side of each hinged rod is hinged on the base, one end of each sliding block is fixedly connected with one end of a first spring, the first springs and the sliding blocks are arranged inside the upper end of the base, the other ends of the first springs are fixedly welded on the inner wall of the base, rubber pads are pasted on the lower ends of the base, the sensor device is fixedly arranged on the upper side of the right end of the base, fixed blocks are symmetrically welded on the upper end of the base, the upper ends of the fixed blocks are inserted into the lower ends of supporting plates, second springs are vertically arranged inside the supporting plates, the lower ends of the second springs abut against the upper ends of the, and the last block of guide rail has the pulley, pulley fixed mounting is at the lower extreme of saddle, and the upper end fixed mounting of saddle has the resistance furnace, the central point of saddle puts fixed mounting has the screw, and the screw cup joints on the lead screw, the lead screw passes through the bearing and installs between two sets of backup pads, the right-hand member of lead screw passes the left side the backup pad, the fixed welding of the left end of lead screw has the commentaries on classics handle.

Preferably, the hinge rod is set to be the type of falling V, the hinge rod is articulated mutually by two spinal branch vaulting poles and forms, the upper end of base is seted up with the outside size assorted spout of slider, the slider sets up to sliding construction in the base.

Preferably, the backup pad is provided with two sets ofly altogether, and is two sets of recesses have all been seted up to the lower extreme of backup pad, all be provided with the second spring in the recess of the lower extreme of backup pad, and every group the lower extreme of backup pad all is inserted and is equipped with two sets of fixed blocks, the backup pad sets up to extending structure through second spring and fixed block.

Preferably, pulleys are symmetrically installed at the lower ends of the front side and the rear side of the saddle, the pulleys and the guide rails are matched with each other, and the saddle is arranged on the guide rails through the pulleys to form a sliding structure.

Preferably, the screw rod transversely penetrates through the center of the saddle, and the screw rod and the nut are matched with each other.

Compared with the prior art, the beneficial effects of the utility model are that: according to the engineering thermophysical expansion coefficient measuring device, the linkage structure of the screw and the lead screw is arranged, so that the device can control the movement of the resistance furnace by rotating the rotating handle, the mode is more labor-saving compared with a hand-push type, the speed controllability is strong, and the displacement caused by external touch on the resistance furnace is avoided;

through setting up the hinge bar, the slider, first spring and base, make this device have certain shock-absorbing function, can effectually slow down the vibrations influence that produces the machine when the table platform receives external collision, and the fixed block, the extending structure of backup pad and second spring, the small vibrations that produce when can effectually slow down the resistance furnace and remove, thereby the vibrations that produce when reducing the removal resistance furnace, can not take place to rub and touch because of rocking that produces when causing the resistance furnace to cup joint the bearing post of sensor device left end.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

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

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

FIG. 3 is an enlarged schematic view of the structure A in FIG. 1 according to the present invention;

fig. 4 is an enlarged schematic view of the structure B in fig. 1 according to the present invention.

In the figure: 1. a base; 2. a hinged lever; 3. a slider; 4. a first spring; 5. a base; 6. a rubber pad; 7. a sensor device; 8. a fixed block; 9. a support plate; 10. a second spring; 11. a guide rail; 12. a pulley; 13. a vehicle seat; 14. a resistance furnace; 15. a nut; 16. a screw rod; 17. and (4) turning the handle.

The specific implementation mode is as follows:

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: an expansion coefficient measuring device based on engineering thermophysics comprises a base 1, a sensor device 7 and a resistance furnace 14, wherein four corners of the lower end of the base 1 are hinged with hinged rods 2, one end of the lower side of each hinged rod 2 is hinged with a sliding block 3, the other end of the lower side of each hinged rod 2 is hinged on a base 5, one end of each sliding block 3 is fixedly connected with one end of each first spring 4, the first springs 4 and the sliding blocks 3 are arranged inside the upper end of the base 5, the other end of each first spring 4 is fixedly welded on the inner wall of the base 5, a rubber pad 6 is adhered to the lower end of the base 5, the hinged rods 2 are arranged in an inverted V shape, each hinged rod 2 is formed by mutually hinging two supporting rods, a sliding groove matched with the outer side size of the sliding block 3 is formed in the upper end of the base 5, the sliding block 3 is arranged in the base 5 to form a sliding structure, the hinged rod 2 is stressed and folded, so that the sliding block 3 is displaced on the base 5, the first spring 4 is stressed and deformed, and the first spring 4 can absorb and relieve the force through the elastic deformation characteristic, so that the vibration of the base 1 is reduced;

the sensor device 7 is fixedly installed on the upper side of the right end of the base 1, the fixed blocks 8 are symmetrically welded on the upper end of the base 1, the upper ends of the fixed blocks 8 are inserted into the lower ends of the supporting plates 9, the second springs 10 are vertically arranged inside the supporting plates 9, the lower ends of the second springs 10 are abutted against the upper ends of the fixed blocks 8, the supporting plates 9 are provided with two groups, the lower ends of the two groups of supporting plates 9 are respectively provided with two groups of grooves, the second springs 10 are arranged in the grooves at the lower ends of the supporting plates 9, the two groups of fixed blocks 8 are inserted into the lower ends of the supporting plates 9, the supporting plates 9 are arranged into a telescopic structure through the second springs 10 and the fixed blocks 8, the structure enables the supporting plates 9 and the fixed blocks 8 to be telescopic through vibration generated when the resistance furnace 14 moves, so that the second springs 10 can deform, and the second springs, thereby reducing the vibration amplitude of the resistance furnace 14 and avoiding the excessive vibration of the resistance furnace 14 from being transmitted to the base 1;

two groups of guide rails 11 are transversely welded between the two groups of support plates 9, pulleys 12 are clamped on the guide rails 11, the pulleys 12 are fixedly arranged at the lower end of a saddle 13, a resistance furnace 14 is fixedly arranged at the upper end of the saddle 13, the pulleys 12 are symmetrically arranged at the lower ends of the front side and the rear side of the saddle 13, the pulleys 12 and the guide rails 11 are matched with each other, the saddle 13 is arranged on the guide rails 11 through the pulleys 12 to form a sliding structure, and the resistance furnace 14 can smoothly move transversely through the sliding structure;

the central point of saddle 13 puts fixed mounting has screw 15, and screw 15 cup joints on lead screw 16, lead screw 16 passes through the bearing and installs between two sets of backup pads 9, left side backup pad 9 is passed to the right-hand member of lead screw 16, the fixed welding of the left end of lead screw 16 has changeed handle 17, lead screw 16 transversely passes the central point at saddle 13 and puts, lead screw 16 and screw 15 mutually support, this structure makes saddle 13 can carry out the displacement through the linkage structure of screw 15 and lead screw 16, speed and distance is all controllable, and is laborsaving.

The working principle is as follows: when the device is used, materials are firstly placed in a placing groove at the left end of a sensor device 7, then a rotating handle 17 is rotated, the rotating handle 17 drives a screw rod 16 to rotate, so that the screw rod 16 is matched with a screw nut 15 to drive a saddle 13 to transversely move, and the saddle 13 can stably slide along a guide rail 11 through a pulley 12 when moving, after a quartz column at the left end of the sensor device 7 extends into a specified position in a resistance furnace 14, a controllable base 1 can start to work, and the resistance furnace 14 can generate certain vibration when moving, the saddle 13 can be displaced due to the vibration, so that the guide rail 11 receives force generated during displacement, the force can enable a supporting plate 9 and a fixed block 8 to stretch and retract, so that a second spring 10 is stressed and deformed, the force is absorbed and relieved through the elastic deformation characteristic of the second spring 10, and the shaking amplitude of the resistance furnace 14 is reduced, in addition when the mesa that the device was put receives the outside influence of touching and takes place to rock the time, base 5 can receive the vibrations influence, thereby make base 5 take place the displacement, cause articulated mast 2's lower extreme to take place folding rotation, when articulated mast 2 takes place folding rotation, slider 3 can slide in base 5, thereby to first spring 4 application of force, cause first spring 4 to take place deformation, elasticity deformation characteristic through first spring 4 absorbs and alleviates this power, influence to base 1 with the vibrations that reduce the desktop conduction, thereby place sensor device 7's left end and take place excessively to rock and appear collision and wearing and tearing in resistance furnace 14's inside, do above the utility model discloses a whole theory of operation.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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.

Claims

1. An engineering thermophysical expansion coefficient measuring device comprises a base (1), a sensor device (7) and a resistance furnace (14), and is characterized in that: the lower end four corners of the base (1) are hinged with hinged rods (2), one end of the lower side of each hinged rod (2) is hinged with a sliding block (3), the other end of the lower side of each hinged rod (2) is hinged to a base (5), one end of each sliding block (3) is fixedly connected with one end of each first spring (4), each first spring (4) and each sliding block (3) are arranged inside the upper end of the corresponding base (5), the other end of each first spring (4) is fixedly welded on the inner wall of the corresponding base (5), the lower end of each base (5) is pasted with a rubber pad (6), a sensor device (7) is fixedly arranged on the upper side of the right end of the base (1), fixed blocks (8) are symmetrically welded to the upper end of the base (1), the upper ends of the fixed blocks (8) are inserted into the lower ends of the supporting plates (9), and second springs (10) are vertically arranged inside the supporting, and the lower extreme of second spring (10) offsets with the upper end of fixed block (8), and is two sets of horizontal welding has two sets of guide rails (11) between backup pad (9), and the last block of guide rail (11) has pulley (12), pulley (12) fixed mounting is at the lower extreme of saddle (13), and the upper end fixed mounting of saddle (13) has resistance furnace (14), the central point of saddle (13) puts fixed mounting has screw (15), and screw (15) cup joint on lead screw (16), lead screw (16) are installed between two sets of backup pad (9) through the bearing, the right-hand member of lead screw (16) passes the left side backup pad (9), the fixed welding in left end of lead screw (16) has commentaries on classics handle (17).

2. The engineering thermophysical-based expansion coefficient measuring device of claim 1, wherein: articulated rod (2) set up to the type of falling V, articulated rod (2) are articulated mutually by two spinal branch vaulting poles and are formed, the upper end of base (5) is seted up with the outside size assorted spout of slider (3), slider (3) set up in base (5) and are sliding structure.

3. The engineering thermophysical-based expansion coefficient measuring device of claim 1, wherein: the supporting plate (9) is provided with two sets of, and two sets of recesses have all been seted up to the lower extreme of supporting plate (9), all be provided with second spring (10) in the recess of the lower extreme of supporting plate (9), and every group the lower extreme of supporting plate (9) all is inserted and is equipped with two sets of fixed block (8), supporting plate (9) set up to extending structure through second spring (10) and fixed block (8).

4. The engineering thermophysical-based expansion coefficient measuring device of claim 1, wherein: the all symmetry of lower extreme of both sides is installed around saddle (13) pulley (12), pulley (12) and guide rail (11) are mutually supported, saddle (13) set up to sliding construction through pulley (12) on guide rail (11).

5. The engineering thermophysical-based expansion coefficient measuring device of claim 1, wherein: the screw rod (16) transversely penetrates through the center position of the saddle (13), and the screw rod (16) and the screw nut (15) are matched with each other.