CN214471444U - Split-type sputtering torque sensitive shaft - Google Patents

Abstract

The utility model discloses a split charging type sputters sensitive axle of moment of torsion, including supporting component, supporting component's bottom is provided with the base, and the left side upper end of base is fixed with left stand to the right side upper end of base is fixed with right stand, the internally mounted of left side stand has the bearing, and the internally mounted of bearing has the connecting axle sleeve to the outside of connecting axle sleeve is connected with the load axle, the right-hand member of connecting axle sleeve is connected with sensitive axle main part, and the right-hand member of sensitive axle subassembly is connected with fixed axle sleeve to there is display terminal in the sensitive axle subassembly outside. This split charging formula sputtering torque sensitive axle, the structure sets up rationally, adopts disconnect-type footpath, utilizes metal plasma sputtering's method to accomplish earlier on range finding axle and the instrument with the moment of torsion foil gage directly, obtains stable, firm sensitive period, assembles again, reaches good test effect.

Description

Split-type sputtering torque sensitive shaft

Technical Field

The utility model relates to a relevant technical field of instrument class instrument and meter specifically is a sensitive axle of split charging formula sputtering moment of torsion.

Background

The threaded connection is widely used in the mechanical manufacturing industry, along with the industrial development, the tightening tools with controllable torque, controllable angle and controllable yield point are generally regarded as important in departments of aviation, automobile and aerospace and the like, and at present, the high-grade tightening tools in China fall behind, so that a fixed-torque pneumatic and electric wrench with low energy consumption, low noise and accurate control is urgently needed to be developed; torque measurement is an important means for measuring the effective output power of shafts, and torque measuring instruments are used in various industries; the dynamometer is a very important test device in mechanical manufacture; the torque sensitive shaft can not be separated on the tools and equipment instruments, and is used as a sensitive element for measuring torque, at present, a torque strain gauge pasting process is mostly adopted, but the pasting process can creep under the aging effect, and degumming and aging are easy to occur due to the influence of temperature and humidity.

However, due to the limitation of sputtering equipment, a pressure sensitive device cannot be directly manufactured on a larger shaft diameter in a sputtering mode, so that a separated shaft diameter is adopted, and assembly is performed after sputtering.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a sensitive axle of split charging formula sputtering moment of torsion to solve the sensitive component of the sensitive axle measurement moment of torsion that has now that proposes in the above-mentioned background art and adopt more and paste moment of torsion foil gage technology, nevertheless because paste the technology and receive ageing effect can creep, temperature, humidity influence can come unstuck, and the easy ageing problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a sensitive axle of split charging formula sputtering moment of torsion, includes supporting component, supporting component's bottom is provided with the base, and the left side upper end of base is fixed with left stand to the right side upper end of base is fixed with right stand, the internally mounted of left side stand has the bearing, and the internally mounted of bearing has connecting sleeve to connecting sleeve's the outside is connected with the load axle, connecting sleeve's right-hand member is connected with sensitive axle subassembly, and sensitive axle subassembly's right-hand member is connected with fixed axle sleeve, and there is display terminal sensitive axle subassembly outside.

Preferably, the connecting shaft sleeve is internally provided with a first shaft hole, the upper end of the first shaft hole is provided with a first key groove and a second key groove, and the first key groove is not connected with the second key groove.

Preferably, the load shaft is connected with the connecting shaft sleeve through a first key groove and a straight key, the connecting shaft end on the left side of the sensitive shaft assembly is connected with the connecting shaft sleeve through a second key groove and a straight key, and the connecting shaft sleeve is rotatably connected with the left upright post through a bearing.

Preferably, the middle part of the sensitive shaft assembly is provided with a sputtering carrier, the upper end of the sputtering carrier is provided with a pressure sensitive element, and the right side of the sputtering carrier is connected with a fixed shaft end.

Preferably, the fixed shaft sleeve is internally provided with a second shaft hole and a third key groove formed in the upper end of the second shaft hole, the fixed shaft end is connected with the fixed shaft sleeve through the third key groove and a straight key, and the fixed shaft sleeve is fixed on the inner side of the right upright post.

Preferably, the display terminal is electrically connected with the pressure sensitive element through a wire, and the display terminal comprises a signal amplifying circuit module, a central processing unit module and a display screen.

Compared with the prior art, the beneficial effects of the utility model are that: the split-type sputtering torque sensitive shaft is reasonable in structural arrangement, adopts a separated shaft diameter, utilizes a metal plasma sputtering method to directly arrange the torque strain gauge on a distance measuring shaft and a tool, obtains a stable and firm sensitive period, and then is assembled to achieve a good test effect;

1. the sensitive shaft assembly and the load shaft are conveniently and stably supported through the left upright post and the right upright post of the supporting assembly, the connecting shaft end of the load shaft and the sensitive shaft assembly is axially connected through the first key groove and the second key groove in the connecting shaft sleeve, so that the torque generated by the load shaft is transmitted to the sensitive shaft assembly, the fixed shaft end of the sensitive shaft assembly is fixedly connected with the right upright post, and the connecting shaft end of the sensitive shaft assembly is rotatably connected with the left upright post through the bearing, so that the sensitive shaft assembly is deformed;

2. through the sputtering carrier of the quartzy material of sensitive axle subassembly, be convenient for fix the pressure sensing element to the sputtering carrier surface through the sputtering technology, through fixing the sputtering carrier on the surface of sensitive axle for sensitive axle produces deformation under the effect of moment of torsion, and changes deformation physical quantity into the signal of telecommunication through the pressure sensing subassembly and exports display terminal, through amplifier circuit and the central processing unit in the terminal inside, rethread digital signal exports the display screen, can actual measurement equipment output or moment of torsion.

Drawings

FIG. 1 is a schematic view of the whole sensitive shaft assembly testing device of the present invention;

FIG. 2 is a schematic view of the sub-assembly of the sensitive shaft assembly of the present invention;

FIG. 3 is a schematic view of the connection of the sensitive shaft assembly of the present invention;

fig. 4 is a flow chart of the testing principle of the present invention.

In the figure: 1. a support assembly; 11. a left upright post; 12. a base; 13. a right upright post; 2. a load shaft; 3. connecting the shaft sleeve; 31. a first keyway; 32. a first shaft hole; 33. a second keyway; 4. a bearing; 5. a sensitive shaft assembly; 51. connecting the shaft ends; 52. sputtering a carrier; 53. a pressure sensitive element; 54. fixing the shaft end; 6. fixing the shaft sleeve; 61. a second shaft hole; 62. a third keyway; 7. a display terminal; 8. a straight bond.

Detailed Description

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 a technical solution: a split-type sputtering torque sensitive shaft comprises a supporting component 1, a left upright post 11, a base 12, a right upright post 13, a load shaft 2, a connecting shaft sleeve 3, a first key groove 31, a first shaft hole 32, a second key groove 33, a bearing 4, a sensitive shaft component 5, a connecting shaft end 51, a sputtering carrier 52, a pressure sensitive element 53, a fixed shaft end 54, a fixed shaft sleeve 6, a second shaft hole 61, a third key groove 62, a display terminal 7 and a straight key 8, wherein the bottom of the supporting component 1 is provided with the base 12, the upper end of the left side of the base 12 is fixed with the left upright post 11, the upper end of the right side of the base 12 is fixed with the right upright post 13, the inside of the left upright post 11 is provided with the bearing 4, the inside of the bearing 4 is provided with the connecting shaft sleeve 3, the outer side of the connecting shaft sleeve 3 is connected with the load shaft 2, the right end of the connecting shaft sleeve 3 is connected with the sensitive shaft component 5, and the right end of the sensitive shaft component 5 is connected with the fixed shaft sleeve 6, and a display terminal 7 is arranged outside the sensitive shaft assembly 5.

A first shaft hole 32 is formed in the connecting shaft sleeve 3, a first key groove 31 and a second key groove 33 are formed in the upper end of the first shaft hole 32, and the first key groove 31 is not connected with the second key groove 33; the load shaft 2 is connected with the connecting shaft sleeve 3 through the first key groove 31 and the straight key 8, the connecting shaft end 51 on the left side of the sensitive shaft assembly 5 is connected with the connecting shaft sleeve 3 through the second key groove 33 and the straight key 8, and the connecting shaft sleeve 3 is rotatably connected with the left upright post 11 through the bearing 4; the middle part of the sensitive shaft assembly 5 is provided with a sputtering carrier 52, the upper end of the sputtering carrier 52 is provided with a pressure sensitive element 53, and the right side of the sputtering carrier 52 is connected with a fixed shaft end 54; a second shaft hole 61 and a third key groove 62 formed at the upper end of the second shaft hole 61 are formed in the fixed shaft sleeve 6, the fixed shaft end 54 is connected with the fixed shaft sleeve 6 through the third key groove 62 and the straight key 8, and the fixed shaft sleeve 6 is fixed on the inner side of the right upright post 13; the display terminal 7 is electrically connected to the pressure sensor 53 through a wire, and the display terminal 7 includes a signal amplifying circuit module, a central processing unit module and a display screen.

As shown in fig. 1 and 2, the sensitive shaft assembly 5 and the load shaft 2 are stably supported by the left upright post 11 and the right upright post 13 of the support assembly 1, the load shaft 2 and the connecting shaft end 51 of the sensitive shaft assembly 5 are axially connected by the first key slot 31 and the second key slot 33 inside the connecting shaft sleeve 3, so that the torque generated by the load shaft 2 is transmitted to the sensitive shaft assembly 5, the fixed shaft end 54 of the sensitive shaft assembly 5 is fixedly connected with the right upright post 13, and the connecting shaft end 51 of the sensitive shaft assembly 5 is rotatably connected with the left upright post 11 by the bearing 4, so that the deformation is generated inside the sensitive shaft assembly 5.

As shown in fig. 3 and 4, the sputtering carrier 52 made of quartz material of the sensitive shaft assembly 5 is used for fixing the pressure sensitive element 53 on the surface of the sputtering carrier 52 through a sputtering process, the sputtering carrier 52 is fixed on the surface of the sensitive shaft, so that the sensitive shaft deforms under the action of torque, the physical deformation quantity is converted into an electric signal by the pressure sensitive element 53 and is output to the display terminal 7, and the electric signal passes through an amplifying circuit and a central processing unit in the terminal and is output to a display screen through a digital signal, so that the output power or the torque of the device can be measured actually.

The working principle is as follows: when the split-type sputtering torque sensitive shaft is used, firstly, as shown in fig. 1, 2, 3 and 4, the sensitive shaft assembly 5 and the load shaft 2 are conveniently and stably supported by the left upright post 11 and the right upright post 13 of the support assembly 1, the load shaft 2 and the connecting shaft end 51 of the sensitive shaft assembly 5 are axially connected by the first key slot 31 and the second key slot 33 inside the connecting shaft sleeve 3, so that the torque generated by the load shaft 2 is transmitted to the sensitive shaft assembly 5, the fixed shaft end 54 of the sensitive shaft assembly 5 is fixedly connected with the right upright post 13, the connecting shaft end 51 of the sensitive shaft assembly 5 is rotatably connected with the left upright post 11 by the bearing 4, so that deformation is generated inside the sensitive shaft assembly 5, the pressure sensitive element 53 is conveniently fixed on the surface of the sputtering carrier 52 by the sputtering process through the sputtering carrier 52 made of quartz material of the sensitive shaft assembly 5, and the sputtering carrier 52 is fixed on the surface of the sensitive shaft, the sensitive shaft is deformed under the action of the torque, the deformed physical quantity is converted into an electric signal through the pressure sensitive element 53 and is output to the display terminal 7, the electric signal passes through the amplifying circuit and the central processing unit in the terminal, and the electric signal is output to the display screen through the digital signal, so that the output power or the torque of the equipment can be actually measured, and the process is the whole process of using the split-type sputtering torque sensitive shaft.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a sensitive axle of partial shipment formula sputtering moment of torsion, includes supporting component (1), its characterized in that: the bottom of supporting component (1) is provided with base (12), and the left side upper end of base (12) is fixed with left stand (11) to the right side upper end of base (12) is fixed with right stand (13), the internally mounted of left stand (11) has bearing (4), and the internally mounted of bearing (4) has connecting axle sleeve (3) to the outside of connecting axle sleeve (3) is connected with load axle (2), the right-hand member of connecting axle sleeve (3) is connected with sensitive axle subassembly (5), and the right-hand member of sensitive axle subassembly (5) is connected with fixed axle sleeve (6) to there is display terminal (7) sensitive axle subassembly (5) outside.

2. The split sputtering torque sensitive shaft of claim 1, wherein: connect axle sleeve (3) inside and be provided with first shaft hole (32), and first keyway (31) and second keyway (33) have been seted up in the upper end setting in first shaft hole (32) to first keyway (31) and second keyway (33) do not connect.

3. The split sputtering torque sensitive shaft of claim 2, wherein: load axle (2) are connected with connecting sleeve (3) through first keyway (31) and straight key (8), and sensitive axle subassembly (5) left connecting shaft end (51) is connected with connecting sleeve (3) through second keyway (33) and straight key (8), and connecting sleeve (3) are connected with left stand (11) rotation through bearing (4).

4. The split sputtering torque sensitive shaft of claim 1, wherein: the middle part of the sensitive shaft assembly (5) is provided with a sputtering carrier (52), the upper end of the sputtering carrier (52) is provided with a pressure sensitive element (53), and the right side of the sputtering carrier (52) is connected with a fixed shaft end (54).

5. The split sputtering torque sensitive shaft of claim 1, wherein: the fixed shaft sleeve (6) is internally provided with a second shaft hole (61) and a third key groove (62) formed in the upper end of the second shaft hole (61), the fixed shaft end (54) is connected with the fixed shaft sleeve (6) through the third key groove (62) and a straight key (8), and the fixed shaft sleeve (6) is fixed on the inner side of the right upright post (13).

6. The split sputtering torque sensitive shaft of claim 1, wherein: the display terminal (7) is electrically connected with the pressure sensitive element (53) through a lead, and the display terminal (7) comprises a signal amplification circuit module, a central processing unit module and a display screen.

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