CN213455310U

CN213455310U - High-temperature strain gauge pressing device

Info

Publication number: CN213455310U
Application number: CN202022991707.7U
Authority: CN
Inventors: 王敏; 孟祥昆
Original assignee: Jarrett Tianjin Technology Co ltd
Current assignee: Jarrett Tianjin Technology Co ltd
Priority date: 2020-12-13
Filing date: 2020-12-13
Publication date: 2021-06-15
Anticipated expiration: 2030-12-13

Abstract

The utility model discloses a high temperature foil gage closing device, which comprises a fixed base, the fixing base includes the U template that the side direction set up, the top right side of U template is provided with a screw thread section of thick bamboo, be provided with in the screw thread section of thick bamboo and press from both sides tight screw, there is the threaded rod through threaded connection in pressing from both sides tight screw, the bottom of threaded rod is provided with the pressure disk, the top left side of U template is provided with the stand, the left end of stand is provided with the installation arm of symmetry from top to bottom, the left side is provided with the pivot between the installation arm, the outside of pivot is rotated and is. Through setting up the rotor arm and using with adjusting device cooperation, remove the top that the area covered whole measured material, make hold-down mechanism can be fast convenient remove to next measuring point, and the user of service need not constantly to dismantle the device and adorn again, and convenient to use personnel use operates convenient and fast more, can effectively improve measuring efficiency, strengthens the practicality of device.

Description

High-temperature strain gauge pressing device

Technical Field

The utility model relates to a stress test technical field specifically is a high temperature foil gage closing device.

Background

The high-temperature strain gauge is used for measuring the stress and strain of a material in a high-temperature environment, such as a heating test and a cooling test of the material in a high-temperature and low-temperature test chamber. High temperature strain gages are divided into two categories: the strain gauge capable of measuring 150 ℃ and 250 ℃ comprises the following materials: iron, aluminum, copper, stainless steel, carbon fiber, glass, resin, wood, concrete and other materials.

When the current strain gauge is used, the strain gauge is usually manually pressed to be attached to a measured object, but the method has many disadvantages: the artifical inconvenient and inhomogeneous scheduling problem of pressing down power degree of pressing down for a long time, therefore, the closing device of some foil gauges has appeared on the market, however traditional closing device utilizes magnetism to inhale the fixing base of material more and is fixed with the material that is surveyed, the device's limitation is comparatively obvious, at first only can use the material that is surveyed of metal material, secondly, because most of the surface of being surveyed the material is irregular, the user is difficult to with the stable and surface connection who is surveyed the material of fixing base, therefore can influence the effect that compresses tightly of device to the foil gauge, make the measuring result take place the error, and during the measurement, need measure the multiple part of being surveyed the material usually, the user of service need constantly dismantle the device and adorn again, waste time and energy, be unfavorable for the user of service, the practicality of device is lower.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high temperature foil gage closing device 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: a high-temperature strain gauge pressing device comprises a fixed seat, wherein the fixed seat comprises a U-shaped plate arranged laterally, a threaded cylinder is arranged on the right side of the top end of the U-shaped plate, a clamping screw hole is formed in the threaded cylinder, a threaded rod is connected in the clamping screw hole through threads, a pressure plate is arranged at the bottom end of the threaded rod, a stand column is arranged on the left side of the top end of the U-shaped plate, vertically symmetrical installation arms are arranged at the left end of the stand column, a rotating shaft is arranged on the left side between the installation arms, a rotating arm is rotatably connected to the outer side of the rotating shaft, an adjusting screw hole is formed in the left end of the rotating arm, an installation seat is slidably connected to the left end of the rotating arm, two groups of guide rods which are symmetrical front and back are arranged at the right end of the installation seat, a sliding sleeve which is mutually, the top of mount pad is provided with the sleeve, the sleeve internal rotation is connected with adjusting device, adjusting device includes adjusting screw, adjusting screw passes through threaded connection in the regulation screw, adjusting screw's left end is provided with the turning handle, the left end of turning handle is provided with the connecting rod, the connecting rod rotates to be connected in the sleeve the left end of connecting rod is provided with spacing dish, the left end of mount pad is provided with the mounting panel, be provided with the through-hole on the mounting panel, be provided with hold-down mechanism in the through-hole.

Preferably, the pressing mechanism comprises a pressing rod, the pressing rod penetrates through the through hole, a pressing disc is arranged at the bottom end of the pressing rod, a pressing spring is sleeved on the outer side of the pressing rod, the top end of the pressing spring is fixedly connected with the bottom end of the mounting plate, and the bottom end of the pressing spring is fixedly connected with the top end of the pressing disc.

Preferably, the top end of the compression bar is provided with a pull handle, knurling is conducted on the outer side of the pull handle, and the diameter of the pull handle is larger than that of the through hole.

Preferably, the top end of the threaded rod is provided with a turntable, and the outer side of the turntable is provided with anti-skidding lines.

Preferably, the right end of rotor arm is provided with the installation head, be provided with the mounting hole with pivot looks adaptation on the installation head, the rotor arm passes through the mounting hole and rotates to be connected in the pivot.

Preferably, the bottom of pressure disk is provided with the protection pad, the material of protection pad is polyurethane, the top hot melt adhesive of protection pad fits the bottom of pressure disk.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model has the advantages that through the arrangement of the fixed seat, a user can utilize the U-shaped plate on the fixed seat to be clamped on one side of the workbench and utilize the threaded rod to press the pressure plate, so that the pressure plate is firmly fixed on the workbench, compared with the existing magnetic attraction structure, the magnetic attraction structure has no requirement on the material of the material to be measured, and is not directly connected with the material to be measured, the surface abrasion and the like of the material to be measured can not be caused, the practicability of the device is stronger, when the magnetic attraction structure is used, the rotating arm is matched with the adjusting device through the arrangement of the rotating arm, when different positions of the material to be measured are measured, the user can directly rotate the rotating arm after each measurement or rotate the rotating handle on the adjusting device, the length of the adjusting screw hole which is inserted into the adjusting screw is controlled, and the distance between the mounting seat and the rotating arm is changed through the guiding action of the guide rod, the moving area covers the upper part, the user of service need not constantly to dismantle the device and adorn again, and convenient to use person uses, operates convenient and fast more, can effectively improve measuring efficiency, strengthens the practicality of device.

Drawings

Fig. 1 is a schematic view of the overall appearance structure of the present invention.

Fig. 2 is a schematic front view of the structure of the present invention.

Fig. 3 is a front view of the half-section structure of the present invention.

Fig. 4 is a schematic structural diagram of the adjusting device of the present invention.

In the figure: 1. a fixed seat; 11. a U-shaped plate; 12. a threaded barrel; 121. clamping the screw hole; 13. a threaded rod; 14. a turntable; 15. a platen; 2. a column; 3. mounting an arm; 4. a rotating shaft; 5. a rotating arm; 51. a mounting head; 511. mounting holes; 52. adjusting the screw hole; 53. a sliding sleeve; 6. an adjustment device; 61. adjusting the screw rod; 62. a handle is rotated; 63. a connecting rod; 64. a limiting disc; 7. a mounting seat; 71. a sleeve; 72. a guide bar; 721. a stopper 721; 8. mounting a plate; 81. a through hole; 9. a hold-down mechanism; 91. a pressure lever; 92. a compression disc; 93. a compression spring; 94. and (5) pulling a handle.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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 in specific cases to those skilled in the art.

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 of a high temperature strain gauge pressing apparatus: a high-temperature strain gauge pressing device comprises a fixed seat 1, wherein the fixed seat 1 comprises a U-shaped plate 11 arranged laterally, a threaded cylinder 12 is arranged on the right side of the top end of the U-shaped plate 11, a clamping screw hole 121 is arranged in the threaded cylinder 12, a threaded rod 13 is connected in the clamping screw hole 121 through threads, a pressure plate 15 is arranged at the bottom end of the threaded rod 13, a protective pad is arranged at the bottom end of the pressure plate 15, the protective pad is made of polyurethane, the top end of the protective pad is in hot melt fit with the bottom end of the pressure plate 15, the polyurethane material has good wear resistance and elasticity, the abrasion of the outer surface of a workbench caused by the overlarge pressure of the pressure plate 15 can be prevented, the practicability of the device is enhanced, a rotary plate 14 is arranged at the top end of the threaded rod 13, anti-slip threads are arranged on the outer side of the rotary plate 14, the external friction force during the gripping of the rotary, the pressing plate 15 is pressed tightly by the threaded rod 13, so that the pressing plate 15 is firmly fixed on the workbench, compared with the existing magnetic attraction structure, the magnetic attraction structure has no requirement on the material of the material to be detected, the magnetic attraction structure is not directly connected with the material to be detected, the abrasion of the surface of the material to be detected and the like can not be caused, the practicability of the device is stronger, the left side of the top end of the U-shaped plate 11 is provided with the upright post 2, the left end of the upright post 2 is provided with the mounting arms 3 which are symmetrical up and down, the left side between the mounting arms 3 is provided with the rotating shaft 4, the outer side of the rotating shaft 4 is rotatably connected with the rotating arm 5, the right end of the rotating arm 5 is provided with the mounting head 51, the mounting hole 511 which is mutually matched with the rotating shaft 4 is arranged on the mounting head 51, the rotating arm 5 is rotatably connected with the rotating shaft 4 through the mounting hole, the bottom end of the rotating arm 5 is provided with a sliding sleeve 53 matched with the guide rod 72, the guide rod 72 is connected with the sliding sleeve 53 in a sliding manner, the right end of the guide rod 72 is provided with a limit block 721, the top end of the mounting seat 7 is provided with a sleeve 71, the sleeve 71 is connected with an adjusting device 6 in a rotating manner, the adjusting device 6 comprises an adjusting screw 61, the adjusting screw 61 is connected with the adjusting screw 52 through threads, the left end of the adjusting screw 61 is provided with a rotating handle 62, the left end of the rotating handle 62 is provided with a connecting rod 63, the connecting rod 63 is connected with the left end of the connecting rod 63 of the sleeve 71 in a rotating manner and provided with a limit disc 64, the left end of the mounting seat 7 is provided with a mounting plate 8, the mounting plate 8 is provided with a through hole 81, the through hole 81 is internally provided with a pressing mechanism 9, the pressing mechanism 9 comprises a pressing rod 91, the pressing rod, the bottom end of the compression spring 93 is fixedly connected with the top end of the compression disc 92 and is used for pressing down the compression disc 92 to be attached to the outer side of the strain gauge, the top end of the pressure rod 91 is provided with a pull handle 94, the outer side of the pull handle 94 is knurled, the surface friction force can be effectively increased, a user can conveniently pull the pressure rod 91, the diameter of the pull handle 94 is larger than the diameter of the through hole 81, the pull handle 94 is prevented from sliding to the lower side of the mounting plate 8, the utility model discloses a rotating arm 5 and an adjusting device 6 are arranged for matching use, when measuring different positions of the measured material, the user can directly rotate the rotating arm 5 after each measurement or rotate the rotating handle 62 on the adjusting device 6, control and adjust the length of the screw hole 52 which penetrates into the adjusting screw 61, and through the guiding effect of the guide rod 72, further change the distance between the mounting seat 7 and the rotating arm 5, and the moving area covers the whole measured material, make hold-down mechanism 9 can be fast convenient remove to next measuring point, and the user of service need not constantly to dismantle the device and adorn again, and convenient to use person uses, operates convenient and fast more, can effectively improve measuring efficiency, strengthens the practicality of device.

The working principle is as follows: when the utility model is used, the utility model needs to be understood simply, when in use, the user utilizes the U-shaped plate 11 on the fixed seat 1 to be clamped on one side of the workbench, the rotary disc 14 is rotated to drive the threaded rod 13 to rotate in the clamping screw hole 121, the threaded rod 13 drives the pressure plate 15 to move downwards, so that the pressure plate 15 is firmly fixed on the workbench, compared with the prior magnetic attraction structure, the device has no requirement on the material of the measured material and is not directly connected with the measured material, the surface abrasion of the measured material and the like can not be caused, the device has strong practicability, the user places the measured material on the workbench and places the strain gauge at the place needing to be measured, the rotating arm 5 is matched with the adjusting device 6 for use, when measuring different positions of the measured material, the user needs to pull the pull handle 94, so that the compression spring 93 is contracted, the compression plate 92 moves upwards, and then adjusts the position of the compression mechanism 9, the rotatory rotor arm 5 of user's accessible, or rotate the turning handle 62 on the adjusting device 6, the length of adjusting screw 61 is eaten to control regulation screw 52, and through the guide effect of guide bar 72, and then change the distance between mount pad 7 and the rotor arm 5, make hold-down mechanism 9 remove to the top of foil gage, loosen pull handle 94, compress tightly dish 92 and compress tightly the foil gage under pressure spring 93's reset action, because the removal area of hold-down mechanism 9 covers the whole top of being surveyed the material, make hold-down mechanism 9 can be fast convenient remove to each measuring point, user need not constantly to dismantle the device and reinstall, convenient to use person uses, the operation is convenient and fast more, can effectively improve measuring efficiency, strengthen the practicality of device.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. 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. The utility model provides a high temperature foil gage closing device, includes fixing base (1), its characterized in that: the fixing seat (1) comprises a U-shaped plate (11) arranged laterally, a threaded cylinder (12) is arranged on the right side of the top end of the U-shaped plate (11), a clamping screw hole (121) is formed in the threaded cylinder (12), a threaded rod (13) is connected in the clamping screw hole (121) through threads, a pressure plate (15) is arranged at the bottom end of the threaded rod (13), an upright post (2) is arranged on the left side of the top end of the U-shaped plate (11), mounting arms (3) which are symmetrical up and down are arranged at the left end of the upright post (2), a rotating shaft (4) is arranged on the left side between the mounting arms (3), a rotating arm (5) is rotatably connected to the outer side of the rotating shaft (4), an adjusting screw hole (52) is formed at the left end of the rotating arm (5), a mounting seat (7) is slidably connected to the left side of the rotating arm (5), the bottom of rotor arm (5) is provided with sliding sleeve (53) with guide bar (72) mutual adaptation, guide bar (72) sliding connection is in sliding sleeve (53), the right-hand member of guide bar (72) is provided with stopper (721), the top of mount pad (7) is provided with sleeve (71), sleeve (71) internal rotation is connected with adjusting device (6), adjusting device (6) includes adjusting screw (61), adjusting screw (61) passes through threaded connection in adjusting screw (52), the left end of adjusting screw (61) is provided with turning handle (62), the left end of turning handle (62) is provided with connecting rod (63), connecting rod (63) rotate connect in sleeve (71) the left end of connecting rod (63) is provided with spacing dish (64), the left end of mount pad (7) is provided with mounting panel (8), be provided with through-hole (81) on mounting panel (8), and a pressing mechanism (9) is arranged in the through hole (81).

2. The high-temperature strain gage pressing device as claimed in claim 1, wherein: hold-down mechanism (9) are including depression bar (91), depression bar (91) run through-hole (81), the bottom of depression bar (91) is provided with compresses tightly dish (92), compression spring (93) have been cup jointed in the outside of depression bar (91), the bottom fixed connection of the top of compression spring (93) and mounting panel (8), the bottom of compression spring (93) and the top fixed connection who compresses tightly dish (92).

3. The high-temperature strain gage pressing device as claimed in claim 2, wherein: the top end of the pressure lever (91) is provided with a pull handle (94), the outer side of the pull handle (94) is subjected to knurling treatment, and the diameter of the pull handle (94) is larger than that of the through hole (81).

4. The high-temperature strain gage pressing device as claimed in claim 1, wherein: the top of threaded rod (13) is provided with carousel (14), the outside of carousel (14) is provided with anti-skidding line.

5. The high-temperature strain gage pressing device as claimed in claim 1, wherein: the right end of rotor arm (5) is provided with installation head (51), be provided with mounting hole (511) with pivot (4) looks adaptation on installation head (51), rotor arm (5) rotate through mounting hole (511) and connect in pivot (4).

6. The high-temperature strain gage pressing device as claimed in claim 1, wherein: the bottom of pressure disk (15) is provided with the protection pad, the material of protection pad is polyurethane, the top hot melt adhesive of protection pad fits the bottom of pressure disk (15).