阅读说明：本技术 一种圆柱螺旋压缩弹簧性能试验固定支座 (Experimental fixing support of cylinder helical compression spring performance ) 是由 姜昆 周向群 赵振东 宋远齐 于 2021-10-08 设计创作，主要内容包括：本发明提供一种圆柱螺旋压缩弹簧性能试验固定支座,包括上下两个独立的固定支座,上固定支座包括第一固定板、第一限位座台、第一轴心管和上挡管,下固定支座包括第二固定板、第二限位座台、第二轴心管和下挡管,所述第一固定板和所述第二固定板上分别设有安装孔。本发明上下固定支座可以可靠有效地和试验设备通过螺栓紧固,确保上下支座在试验工作过程不会松动或位移；第一限位座台和第二限位座台,可以有效的限制弹簧在试验过程中产生的位移或错动；第一轴心管和第二轴心管在与检测设备安装时,可以调节上下固定支座的同轴度,保证弹簧在试验安装前避免检测设备造成的弹簧轴向垂直度的偏差。(The invention provides a fixed support for a performance test of a cylindrical helical compression spring, which comprises an upper fixed support and a lower fixed support, wherein the upper fixed support and the lower fixed support are independent, the upper fixed support comprises a first fixed plate, a first limiting seat stand, a first axial pipe and an upper baffle pipe, the lower fixed support comprises a second fixed plate, a second limiting seat stand, a second axial pipe and a lower baffle pipe, and mounting holes are respectively formed in the first fixed plate and the second fixed plate. The upper and lower fixed supports can be reliably and effectively fastened with test equipment through bolts, so that the upper and lower supports cannot loosen or displace in the test working process; the first limiting seat stand and the second limiting seat stand can effectively limit the displacement or dislocation of the spring in the test process; when the first axle center tube and the second axle center tube are installed with the detection equipment, the coaxiality of the upper fixing support and the lower fixing support can be adjusted, and the deviation of the axial verticality of the spring caused by the detection equipment is avoided before the test installation of the spring.)

1. The utility model provides a experimental fixing support of cylinder helical compression spring performance which characterized in that: the upper fixing support comprises a first fixing plate, a first limiting seat stand, a first axis pipe and an upper retaining pipe, the lower fixing support comprises a second fixing plate, a second limiting seat stand, a second axis pipe and a lower retaining pipe, the first fixing plate and the second fixing plate are respectively provided with a mounting hole, the upper retaining pipe is fixed on the first fixing plate, the lower retaining pipe is fixed on the second fixing plate, the first limiting seat stand is fixed on the first fixing plate in the upper retaining pipe, the second limiting seat stand is fixed on the second fixing plate in the lower retaining pipe, the first axis pipe is fixed in the middle of the first limiting seat stand, and the second axis pipe is fixed in the middle of the second limiting seat stand.

2. The cylindrical helical compression spring performance test fixing support as claimed in claim 1, wherein: the mounting holes are arranged in a circumferential array and are respectively arranged on the outer sides of the upper blocking pipe and the lower blocking pipe.

3. The cylindrical helical compression spring performance test fixing support as claimed in claim 1, wherein: the first shaft core tube is fixed on the axis of the first limiting seat platform, the second shaft core tube is fixed on the axis of the second limiting seat platform, and the first shaft core tube and the second shaft core tube are arranged in a mirror image mode.

4. The cylindrical helical compression spring performance test fixing support as claimed in claim 1, wherein: the first limiting seat platform fixed on the first fixing plate and the second limiting seat platform fixed on the second fixing plate are arranged in a mirror symmetry mode.

5. The cylindrical helical compression spring performance test fixing support as claimed in claim 1, wherein: the central axis of the first axial tube is the same as the central axis of the upper baffle tube, the center of the first fixing plate is located on the central axis of the first axial tube, the central axis of the second axial tube is the same as the central axis of the lower baffle tube, and the center of the second fixing plate is located on the central axis of the second axial tube.

6. The cylindrical helical compression spring performance test fixing support as claimed in claim 1, wherein: the length of the lower baffle pipe is greater than that of the upper baffle pipe.

7. The cylindrical helical compression spring performance test fixing support as claimed in claim 1, wherein: a first through hole is formed in the center of the first limiting seat stand, the first axle center tube is fixed in the first through hole, one end of the first axle center tube is fixed on the first fixing plate, and the other end of the first axle center tube is exposed out of the first limiting seat stand; the center of the second limiting seat stand is provided with a second through hole, the second shaft core tube is fixed in the second through hole, one end of the second shaft core tube is fixed on the second fixing plate, and the other end of the second shaft core tube is exposed out of the second limiting seat stand.

8. The cylindrical helical compression spring performance test fixing support as claimed in claim 1, wherein: the mounting holes are round holes, the number of the mounting holes is at least three, and the diameter of each mounting hole is 25 mm.

9. The cylindrical helical compression spring performance test fixing support as claimed in claim 1, wherein: fastening an upper fixed support on an upper workbench of the detection equipment by using a bolt, and fastening a lower fixed support on a lower workbench of the detection equipment; the upper fixed support and the lower fixed support are aligned with the detection equipment, and a straight line formed by the center of the first axis pipe and the center of the second axis pipe is vertical to an upper workbench and a lower workbench of the detection equipment; the spring surrounds the interior of keeping off the pipe with down, and a pot head of spring is established outside first spacing seat platform, and the other end cover of spring is established outside the second spacing seat platform.

10. The cylindrical helical compression spring performance test fixing support as claimed in claim 9, wherein: the second mandrel pipe is centered on the central axis of the first mandrel pipe.

Technical Field

The invention relates to the field of spring performance test devices, in particular to a fixed support for a performance test of a cylindrical helical compression spring.

Background

With the wide application of the spring vibration isolator in vibration reduction and vibration resistance, the application of the spiral compression spring is increased, and the metal cylindrical spiral compression spring is adopted in the common spring vibration isolator.

While the metal cylindrical helical compression spring is widely applied, the quality of the spring meets the requirement of reliable guarantee, and a series of test requirements are provided for huge spring performance test detection and control of spring test conditions. Therefore, the reliable spring test auxiliary test support is adopted, the accuracy of test data can be reasonably and effectively improved, and the test support meets the current test requirements.

The existing spring performance test mainly has the following problems: first, when current spring performance is experimental, the spring generally adopts and directly places each item experiment on the check out test set workstation, because long-term reciprocal test can cause the spring test process to produce the skew of different degrees, this discrete that will lead to test data is big partially, and too big skew can cause the destruction of the reciprocal test process of spring simultaneously, can't obtain accurate, reliable test data. Secondly, in the horizontal jumbo size skew test process of spring, when the horizontal power of spring can be greater than the frictional force of spring and test table, not adopting fixedly from top to bottom the spring, the spring can appear overturning, brings harm to test equipment or testing personnel, and the spring steel wire generally adopts cylindrically can't form effectual fixed with test table simultaneously.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, and the fixed support can effectively control the deviation of the spring test process, complete and reliable test environment, obtain real and reliable test data and ensure the safety of the spring test process.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a experimental fixing support of cylinder helical compression spring performance, includes two upper and lower independent fixing support, goes up fixing support and includes first fixed plate, first spacing seat stand, first axle center pipe and keeps off the pipe, and lower fixing support includes second fixed plate, the spacing seat stand of second, second axle center pipe and keeps off the pipe down, first fixed plate with be equipped with the mounting hole on the second fixed plate respectively, it fixes to keep off the pipe on the first fixed plate to go up, keep off the pipe down and fix on the second fixed plate, first spacing seat stand is fixed on the first fixed plate in last fender pipe, the spacing seat stand of second is fixed on the second fixed plate in keeping off the pipe down, first axle center pipe is fixed the middle part of first spacing seat stand, second axle center pipe is fixed the middle part of the spacing seat stand of second.

Preferably, the mounting holes are arranged in a circumferential array, and the mounting holes are respectively arranged at the outer sides of the upper baffle pipe and the lower baffle pipe.

Preferably, the first axle center tube is fixed on the axis of the first limiting seat stand, the second axle center tube is fixed on the axis of the second limiting seat stand, and the first axle center tube and the second axle center tube are arranged in a mirror image manner.

Preferably, a first limiting seat fixed on the first fixing plate and a second limiting seat fixed on the second fixing plate are arranged in a mirror symmetry manner.

Preferably, the central axis of the first axial tube is the same as the central axis of the upper baffle tube, the center of the first fixing plate is located on the central axis of the first axial tube, the central axis of the second axial tube is the same as the central axis of the lower baffle tube, and the center of the second fixing plate is located on the central axis of the second axial tube.

Preferably, the length of the lower baffle pipe is greater than that of the upper baffle pipe.

Preferably, a first through hole is formed in the center of the first limiting seat, the first axle tube is fixed in the first through hole, one end of the first axle tube is fixed on the first fixing plate, and the other end of the first axle tube is exposed out of the first limiting seat; the center of the second limiting seat stand is provided with a second through hole, the second shaft core tube is fixed in the second through hole, one end of the second shaft core tube is fixed on the second fixing plate, and the other end of the second shaft core tube is exposed out of the second limiting seat stand.

Preferably, the mounting holes are round holes, the number of the mounting holes is at least three, and the diameter of each mounting hole is 25 mm.

Preferably, when in use, the upper fixed support is fastened on an upper workbench of the detection device by using bolts, and the lower fixed support is fastened on a lower workbench of the detection device; the upper fixing support and the lower fixing support are aligned with the detection equipment in an adjusting mode, so that a straight line formed by the center of the first axis pipe and the center of the second axis pipe is perpendicular to an upper workbench and a lower workbench of the detection equipment; the spring surrounds in keeping off the intraductal, and a pot head of spring is established outside first spacing seat platform, and the other end cover of spring is established outside the second spacing seat platform.

Preferably, the second mandrel pipe is centred on the central axis of the first mandrel pipe.

Compared with the prior art, the invention has the beneficial effects that: (1) the upper and lower fixed supports are simply and practically installed and connected with the detection equipment, and only the upper and lower fixed seats are respectively fastened on the upper and lower working tables of the equipment by bolts, so that the upper and lower fixed supports are reliably and effectively fastened with the test equipment by the bolts, and the upper and lower fixed supports are ensured not to be loosened or displaced in the test working process; (2) the center of the upper and lower fixed supports of the invention is provided with a first axle center tube and a second axle center tube, the first axle center tube is positioned at the center of the upper fixed support, the second axle center tube is positioned at the center of the lower fixed support, a spring directly determines the center of the spring position through a first limit seat stand or a second limit seat stand during the test without searching the center of a test worktable, the first axle center tube or the second axle center tube is respectively fixed at the centers of the upper and lower fixed supports, when the device is connected with a detection device, the axial position degrees of the upper and lower fixed supports are adjusted through the first axial tube and the second axial tube, so that the spring is prevented from deviating when placed, the damage of the spring in the reciprocating experiment process caused by overlarge deviation in the spring experiment process is avoided, the discrete type of experiment data is reduced, the deviation of the spring in the experiment process is effectively controlled, the reliable experiment environment is completed, and real and reliable experiment data are obtained; (3) the upper fixing support and the lower fixing support are provided with the first limiting seat stand and the second limiting seat stand, two ends of the spring respectively abut against the first fixing plate and the second fixing plate, and the outer sides of two ends of the spring are provided with the upper retaining pipe and the lower retaining pipe, so that the situation that the transverse force of the spring is larger than the friction force between the spring and a test workbench in the test process is avoided, and the spring is overturned to cause harm to test equipment or test personnel if the upper part and the lower part of the spring are not fixed is avoided; (4) the upper fixing support and the lower fixing support are respectively provided with an upper baffle pipe and a lower baffle pipe, so that a protective barrier is played in the periodic reciprocating test process of the spring, the spring is surrounded in the baffle pipes, the spring is prevented from being broken and splashed during the test process of the spring, and meanwhile, the transverse displacement or dislocation of the spring generated during the test process can be effectively limited; (5) when upper and lower fixing support fixes on check out test set, upper and lower fixing support's axis perpendicular to check out test set's last workstation and lower workstation guarantee that the spring compresses in the vertical direction of check out test set's last workstation and lower workstation, and the test spring performance reduces the spring axial straightness's that hangs down deviation that the check out test set caused.

Drawings

FIG. 1 is a schematic structural diagram of a fixed support for a performance test of a cylindrical helical compression spring according to the present invention;

FIG. 2 is a schematic structural diagram of an upper fixing support of the fixing support for a performance test of a cylindrical helical compression spring according to the present invention;

FIG. 3 is a schematic structural diagram of a lower fixing support of the fixing support for a performance test of a cylindrical helical compression spring according to the present invention;

FIG. 4 is a bottom view of an upper mounting bracket of a cylindrical helical compression spring performance test mounting bracket;

FIG. 5 is a top view of a lower mounting bracket of a cylindrical helical compression spring performance test mounting bracket.

Detailed Description

In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail. Referring to fig. 1, 2 and 3, a fixing support for a performance test of a cylindrical helical compression spring comprises an upper fixing support and a lower fixing support, wherein the upper fixing support 100 comprises a first fixing plate 110, a first limiting seat 120, a first axial tube 130 and an upper baffle tube 140, the lower fixing support 200 comprises a second fixing plate 210, a second limiting seat 220, a second axial tube 230 and a lower baffle tube 240, the first fixing plate 110 and the second fixing plate 210 are respectively provided with a mounting hole 300, the upper baffle tube 140 is fixed on the first fixing plate 110, the lower baffle tube 240 is fixed on the second fixing plate 210, when in use, the spring is placed into the upper baffle tube 140 and the lower baffle tube 240, the upper baffle tube 140 and the lower baffle tube 240 form an effective protective barrier outside the spring, the first limiting seat 120 is fixed on the first fixing plate 110 in the upper baffle tube 140, the second limiting seat 220 is fixed on the second fixing plate 210 in the lower baffle tube 240, the first mandrel 130 is fixed to the middle of the first position-limiting pedestal 120, and the second mandrel 230 is fixed to the middle of the second position-limiting pedestal 220.

As shown in fig. 4 and 5, the installation holes 300 are arranged in a circumferential array, and the installation holes 300 are respectively disposed at the outer sides of the upper baffle pipe 140 and the lower baffle pipe 240. The mounting holes 300 are round holes, the number of the mounting holes 300 is at least three, and the diameter of each mounting hole 300 is 25 mm. As shown in the figure, 8 mounting holes with a diameter of 25mm are formed in the first fixing plate 110 or the second fixing plate 210, and the 8 mounting holes are arranged in a circumferential array, so that the first fixing plate and the second fixing plate can be conveniently and quickly connected and fixed with a workbench of a detection device. The upper and lower fixing supports 100 or 200 are simply and practically connected with the detection equipment, and only the upper and lower fixing supports 100 or 200 are respectively fastened on the upper and lower workbenches of the equipment by bolts.

As shown in fig. 1, the first axial tube 130 is fixed on the axis of the first limiting seat 120, the second axial tube 230 is fixed on the axis of the second limiting seat 220, the first axial tube 130 and the second axial tube 230 are arranged in a mirror image, the central axis of the first axial tube 130 is the same as the central axis of the upper baffle tube 140, the center of the first fixing plate 110 is on the central axis of the first axial tube 130, the central axis of the second axial tube 230 is the same as the central axis of the lower baffle tube 240, and the center of the second fixing plate 210 is on the central axis of the second axial tube 230, that is, the first axial tube 130 is located at the center of the upper fixing seat 100, and the second axial tube 230 is located at the center of the lower fixing seat 200. During the test, the spring directly determines the center of the spring position through the first limiting seat stand 120 or the second limiting seat stand 220 without searching the center of the test workbench. The center of the upper and lower fixed supports 100 or 200 is respectively fixed with the first axle center tube 130 or the second axle center tube 230, when the upper and lower fixed supports are connected with the detection equipment, the axle position degree of the upper and lower fixed supports 100 or 200 is adjusted, the spring is ensured not to deviate when placed, the damage of the spring in the reciprocating experiment process caused by too large deviation in the spring experiment process is avoided, the discrete type of the experiment data is reduced, the deviation of the spring experiment process is effectively controlled, the complete and reliable experiment environment is realized, and the real and reliable experiment data is obtained.

The first position-limiting base 120 fixed on the first fixing plate 110 and the second position-limiting base 220 fixed on the second fixing plate 210 are arranged in mirror symmetry. The first limiting seat 120 has a first through hole 121 in the center, the first axial tube 130 is fixed in the first through hole 121, one end of the first axial tube 130 is fixed on the first fixing plate 110, and the other end of the first axial tube 130 is exposed out of the first limiting seat 120; the second limiting seat 220 has a second through hole 221 at the center, the second spindle tube 230 is fixed in the second through hole 221, one end of the second spindle tube 230 is fixed on the second fixing plate 210, and the other end of the second spindle tube 230 is exposed out of the second limiting seat 220. During the use, can insert first axle center pipe 130 and second axle center pipe 230 respectively through a connecting pipe when looking for the axis to adjusting to, guarantee that the axis of first axle center pipe 130 and second axle center pipe 230 connected is the same to the axis position of realizing upper and lower fixing support 100 or 200 is the same, adjust the position back well, take out this connecting pipe, put into the spring in upper fender pipe 140 and lower fender pipe 240. The axial line positions of the upper fixing support and the lower fixing support can be found conveniently, the offset can not occur after the springs are placed, the coaxiality of the upper fixing support 100 and the lower fixing support 200 is adjusted before the test, and the deviation of the axial verticality of the springs caused by detection equipment is avoided before the test installation.

As shown in fig. 1, in use, the upper fixing support 100 is fastened to the upper table of the detection device by bolts, and the lower fixing support 200 is fastened to the lower table of the detection device; the upper fixed support 100 and the lower fixed support 200 are aligned with the detection equipment, so that a straight line formed by the center of the first axis pipe 130 and the center of the second axis pipe 230 is vertical to an upper workbench and a lower workbench of the detection equipment; the center of the second axis pipe 230 is on the central axis of the first axis pipe 130, ensuring the coaxiality of the upper fixed support 100 and the lower fixed support 200. The axis of the upper and lower fixing supports is a straight line formed by the center of the first axis pipe 130 and the center of the second axis pipe 230, and the axis is perpendicular to the upper workbench and the lower workbench of the detection device, so that the spring is compressed in the vertical direction of the upper workbench and the lower workbench of the detection device during testing, the performance of the spring is tested, and the deviation of the axial verticality of the spring caused by the detection device is reduced.

The spring centers on keeping off inside pipe 140 and keeping off pipe 240 down at last, and a pot head of spring is established outside first spacing pedestal 120, and the other pot head of spring is established outside the spacing pedestal 220 of second, fix the both ends of spring on first spacing pedestal 120 and the spacing pedestal 220 of second, and the first fixed plate 110 and the second fixed plate 210 are contradicted respectively at the both ends of spring, and the outside at spring both ends has keeps off pipe 140 and keeps off pipe 240 down, avoids carrying out the testing process, and the transverse force of spring can be greater than the frictional force of spring and test table, does not adopt fixed words from top to bottom to the spring, and the spring can appear overturning, brings harm to test equipment or testing personnel.

The length of the lower blocking pipe 240 is greater than that of the upper blocking pipe 140, so that in a spring compression experiment, when the performance of the spring is tested, the spring can be compressed in the longitudinal direction, and the transverse deviation generated in the spring test process can be effectively limited. The compressed spring can be taken into the lower blocking pipe 240, so that the spring is prevented from being broken and fragments are prevented from splashing in the spring test process, and potential safety hazards caused by human body damage are avoided.

The present invention has been described in relation to the above embodiments, which are only exemplary of the implementation of the present invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. Rather, it is intended that all such modifications and variations be included within the spirit and scope of this invention.