CN220751590U - Spring elasticity detection tool for pressure springs - Google Patents

Abstract

The utility model relates to a compression spring elasticity detection tool which comprises a bottom plate, an air cylinder and a pressure sensor, wherein a top plate is arranged above the bottom plate through two support rods, the air cylinder is arranged at the bottom of the top plate, the telescopic shaft end of the air cylinder extends downwards vertically, the telescopic shaft end of the air cylinder is connected with a pressure plate, the pressure sensor is fixed on the bottom plate and connected with a pressure instrument, a supporting plate is detachably arranged at the top of the pressure sensor, the supporting plate corresponds to the pressure plate, and a positioning rod is arranged in the center of the supporting plate. The spring force detection tool for the pressure spring is simple and practical in structure, the spring force detection of the pressure spring can be easily realized by using the air cylinder, and the detection tool can be used for detecting pressure values of different heights of the pressure spring by adjusting the stroke of the air cylinder; meanwhile, the lifting mechanism capable of lifting the whole cylinder is provided, so that the spring force test of the compression spring with larger specification is facilitated, the spring quality is further ensured, and the use requirement is met.

Description

Spring elasticity detection tool for pressure springs

Technical Field

The utility model belongs to the technical field of elastic force detection, and particularly relates to a compression spring elastic force detection tool.

Background

For the produced springs, it is of paramount importance if the pressure of the springs is good. The compression spring is a helical spring bearing the compressive force, most of the springs are cylindrical and have equal pitches, a certain gap is reserved between the rings of the compression spring, and the springs shrink and deform when the springs are subjected to external load, so that deformation energy is stored. According to the use requirement, the compression spring is subjected to full-scale or sampling test, and at present, before the use, the compression spring is compressed to a fixed height for measuring force, namely the compression spring is compressed to a certain height for measuring force, and the compression is generally selected to be compressed to 1/3 and 2/3 of the observed pressure value, so that whether the pressure value of the compression spring meets the requirement is determined. The detection method recommended at present is that the special tester detects, but the special tester has high price, the requirement on the elasticity detection is not high, and under the condition that the detection result is only close, the tool can be manufactured by self without purchasing, so that the elasticity detection is realized.

Disclosure of Invention

The utility model provides a compression spring elasticity detection tool which is used for realizing elasticity detection of a compression spring.

The technical scheme adopted by the utility model is as follows:

the utility model provides a pressure spring elasticity detects frock, includes bottom plate, cylinder, pressure sensor, the top of bottom plate is provided with the roof through two bracing pieces, the cylinder sets up in the bottom of roof and its flexible axle head is vertical to stretch out downwards, the flexible axle head of cylinder is connected with the pressure disk, pressure sensor fixes on the bottom plate, pressure sensor is connected with pressure instrument, pressure sensor's top can be dismantled and is provided with the layer board, the layer board is corresponding with the pressure disk, just the central authorities of layer board are provided with the locating lever.

Preferably, the cylinder is a cylinder with adjustable stroke, and the pressure sensor is an S-shaped pressure sensor.

Preferably, the lifting mechanism for lifting the height of the top plate is further provided with a guide rod at the top of the two support rods, the top plate is positioned on the two support rods and movably sleeved on the guide rod, and the rear side of the top plate is provided with a connecting plate; the lifting mechanism comprises an inverted L-shaped plate, a screw and a nut, wherein the inverted L-shaped plate, the screw and the nut are vertically arranged at the rear side of the bottom plate, two ends of the screw are vertically arranged between the bottom plate and the horizontal plate of the inverted L-shaped plate through bearings, the screw is connected with a handle above the horizontal plate of the inverted L-shaped plate, and the nut is fixed on the connecting plate and sleeved on the screw.

Preferably, the front side of the inverted L-shaped plate is provided with two grooves in parallel, the connecting plate extends backwards to form two limiting arms, and the two limiting arms are inserted into the two grooves and can move up and down in the grooves.

Preferably, a graduated scale is arranged on one side of the inverted L-shaped plate, an indication strip is arranged on one side of the top plate opposite to the inverted L-shaped plate, and the indication strip is located at one end of the graduated scale and is close to but not close to the graduated scale.

Compared with the prior art, the utility model has the beneficial effects that: the spring force detection tool for the pressure spring is simple and practical in structure, the spring force detection of the pressure spring can be easily realized by using the air cylinder, and the detection tool can be used for detecting pressure values of different heights of the pressure spring by adjusting the stroke of the air cylinder; meanwhile, the lifting mechanism capable of lifting the whole cylinder is provided, so that the spring force test of the compression spring with larger specification is facilitated, the spring quality is further ensured, and the use requirement is met.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present utility model.

Fig. 2 is a schematic structural view of a preferred embodiment of the present utility model.

In the figure: 1. a bottom plate; 2. a cylinder; 3. a pressure sensor; 4. a support rod; 5. a top plate; 6. a pressure plate; 7. a pressure gauge; 8. a supporting plate; 9. a guide rod; 10. a connecting plate; 11. an inverted L-shaped plate; 12. a screw rod; 13. a nut; 14. a handle; 15. a groove; 16. a graduated scale; 17. an indicator bar; 101. and a limiting arm.

Detailed Description

The present utility model will be further described with reference to the following embodiments in order to make the objects, technical solutions and advantages of the present utility model more apparent. Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

As shown in fig. 1, the pressure spring elasticity detection tool comprises a bottom plate 1, an air cylinder 2 and a pressure sensor 3, wherein a top plate 5 is arranged above the bottom plate 1 through two support rods 4, the air cylinder 2 is arranged at the bottom of the top plate 5, the telescopic shaft end of the air cylinder extends downwards vertically, the telescopic shaft end of the air cylinder 2 is connected with a pressure plate 6, the pressure sensor 3 is fixed on the bottom plate 1, the pressure sensor 3 is connected with a pressure instrument 7, a supporting plate 8 is arranged at the top of the pressure sensor 3, the supporting plate 8 corresponds to the pressure plate 6, and a positioning rod is arranged in the center of the supporting plate 8.

Further, the cylinder is an adjustable stroke cylinder, and the pressure sensor is an S-shaped pressure sensor.

When the pressure gauge is used, the stroke of the air cylinder is firstly adjusted, the pressure spring is placed on the supporting plate and sleeved into the positioning rod for positioning, the pressure spring is compressed to 1/3 by the action of the air cylinder, the pressure value at the moment is read out through the pressure gauge and recorded, after the telescopic shaft of the air cylinder is retracted, the stroke of the air cylinder is then adjusted again, the air cylinder is started to compress the pressure spring to 2/3, the pressure value at the moment is read out through the pressure gauge and recorded, and if the pressure values after the two times of compression meet the use requirement, the pressure gauge is a qualified product. All failed one or 2 times are defaults of failed products.

Since in some cases there will be pressure detection of large springs, and the stroke of the cylinder will be of a certain extent, there may be situations where the maximum stroke is not met when pressure detection is performed on thicker, higher springs. Therefore, as shown in fig. 2, the tool further comprises a lifting mechanism for lifting the height of the top plate, the tops of the two supports are provided with guide rods 9, the guide rods 9 and the support rods 4 are matched to form a convex column, the top plate 5 is positioned on the two support rods 4, the guide rods 9 are movably sleeved, the guide rods can move up and down along the guide rods, and the rear side of the top plate 5 is provided with a connecting plate 10; the lifting mechanism comprises an inverted L-shaped plate 11, a screw rod 12 and a nut 13, wherein the inverted L-shaped plate 11 is vertically arranged at the rear side of the bottom plate 1, two ends of the screw rod 12 are vertically arranged between the bottom plate 1 and a horizontal plate of the inverted L-shaped plate 11 through bearings, a handle 14 is connected above the horizontal plate of the inverted L-shaped plate 11, and the nut 13 is fixed on the connecting plate 10 and sleeved on the screw rod 12.

The handle controls the screw rod to rotate, the nut can slide upwards or downwards, and then the top plate is driven to ascend or descend through the connecting plate, meanwhile, the left side and the right side of the top plate are sleeved on the guide rod, the guide rod plays a role in supporting and guiding, the top plate can be basically in a horizontal state, and further compression accuracy is guaranteed. Of course, when used for pressure detection of large-sized springs, large-sized platens and pallets can be replaced as shown in fig. 2.

In addition, in order to reduce the bearing force of the screw rod and further ensure the accuracy of the vertical movement of the top plate, two grooves 15 are arranged on the front side surface of the inverted-L-shaped plate 11 in parallel, two limiting arms 101 are formed by extending the connecting plate 10 backwards, and the two limiting arms 101 are inserted into the two grooves 15 and can move up and down in the grooves.

In addition, in order to facilitate observation of the lifting height of the top plate, a graduated scale 16 is arranged on one side surface of the inverted-L-shaped plate 11, an indication strip 17 is arranged on the opposite side of the top plate 5 to the inverted-L-shaped plate 11, and the indication strip 17 is located at one end of the graduated scale 16 and is close to but not close to the graduated scale. The moving distance of the top plate can be clearly observed through the indicating strip, and meanwhile, in the embodiment, the indicating strip is positioned at the inner side of one end of the graduated scale to form an L-shaped groove, so that the end is close to but not close to the graduated scale, and the top plate is prevented from driving the indicating strip to move so as to rub against the side surface of the inverted L-shaped plate.

Claims (5)

1. The utility model provides a pressure spring elasticity detects frock which characterized in that: including bottom plate, cylinder, pressure sensor, the top of bottom plate is provided with the roof through two bracing pieces, the cylinder sets up in the bottom of roof and its flexible axle head is vertical to stretch out downwards, the flexible axle head of cylinder is connected with the pressure disk, pressure sensor fixes on the bottom plate, pressure sensor is connected with pressure instrument, pressure sensor's top can be dismantled and is provided with the layer board, the layer board is corresponding with the pressure disk, just the central authorities of layer board are provided with the locating lever.

2. The compression spring elastic force detection tool according to claim 1, wherein: the cylinder is a cylinder with adjustable stroke, and the pressure sensor is an S-shaped pressure sensor.

3. The compression spring elastic force detection tool according to claim 1, wherein: the lifting mechanism is used for lifting the height of the top plate, guide rods are arranged at the tops of the two support rods, the top plate is positioned on the two support rods and movably sleeved on the guide rods, and a connecting plate is arranged at the rear side of the top plate; the lifting mechanism comprises an inverted L-shaped plate, a screw and a nut, wherein the inverted L-shaped plate, the screw and the nut are vertically arranged at the rear side of the bottom plate, two ends of the screw are vertically arranged between the bottom plate and the horizontal plate of the inverted L-shaped plate through bearings, the screw is connected with a handle above the horizontal plate of the inverted L-shaped plate, and the nut is fixed on the connecting plate and sleeved on the screw.

4. The compression spring elastic force detection tool according to claim 3, wherein: the front side of the inverted L-shaped plate is provided with two grooves in parallel, the connecting plate is extended backwards to form two limiting arms, and the two limiting arms are inserted into the two grooves and can move up and down in the grooves.

5. The compression spring elastic force detection tool according to claim 3, wherein: the utility model discloses a scale, including the roof, the L shaped plate that falls is provided with the scale, the roof is provided with the instruction strip with the opposite side of L shaped plate, the instruction strip is located the one end of scale and is close to and not pressed close to the scale.