CN212458898U - A test device for dynamic characteristics of linear rolling guide - Google Patents
A test device for dynamic characteristics of linear rolling guide Download PDFInfo
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- CN212458898U CN212458898U CN202020322153.9U CN202020322153U CN212458898U CN 212458898 U CN212458898 U CN 212458898U CN 202020322153 U CN202020322153 U CN 202020322153U CN 212458898 U CN212458898 U CN 212458898U
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Abstract
一种直线滚动导轨动态特性试验装置，包括：支撑机构，包括直线滚动导轨支撑部和直线滚动导轨；侧向加载机构，设置在水平面上，并位于直线滚动导轨的侧面，包括侧向施力单元和侧向拉动单元，侧向施力单元包括侧向固定部和侧向拉伸部，侧向固定部安装于直线滚动导轨支撑部上；侧向拉伸部安装于侧向固定部上，并且侧向拉伸部的伸缩端通过侧向拉动单元与直线滚动导轨的滑块相连；以及垂向加载机构，设置在垂直平面内，并位于直线滚动导轨的底部，包括垂向施力单元和垂向拉动单元，垂向施力单元的伸缩端通过垂向拉动单元与直线滚动导轨的滑块相连。本实用新型有益效果是：能实现不同大小和方向的外载荷作用下的直线滚动导轨动态特性试验。
A linear rolling guide dynamic characteristic test device, comprising: a support mechanism, including a linear rolling guide support part and a linear rolling guide; a side loading mechanism, arranged on a horizontal plane and located on the side of the linear rolling guide, including a lateral force application unit and a lateral pulling unit, the lateral force applying unit includes a lateral fixing part and a lateral stretching part, the lateral fixing part is installed on the support part of the linear rolling guide rail; the lateral stretching part is installed on the lateral fixing part, and The telescopic end of the lateral stretching part is connected with the slider of the linear rolling guide through the lateral pulling unit; and the vertical loading mechanism is arranged in the vertical plane and located at the bottom of the linear rolling guide, including the vertical force applying unit and the vertical loading mechanism. To the pulling unit, the telescopic end of the vertical force applying unit is connected with the slider of the linear rolling guide through the vertical pulling unit. The beneficial effect of the utility model is that the dynamic characteristic test of the linear rolling guide rail under the action of external loads of different sizes and directions can be realized.
Description
Technical Field
The utility model belongs to general spare part capability test device field of machinery, specifically speaking are linear rolling guide dynamic characteristic test device.
Background
The linear rolling guide rail is widely applied to various numerical control machines and is one of the core parts of the machine tool. At present, the method for obtaining the dynamic characteristics of the linear rolling guide rail is the most effective method through experimental tests. The existing dynamic characteristic test device for the linear rolling guide rail can only test the dynamic characteristic of the linear rolling guide rail when the linear rolling guide rail is not subjected to external load, and the external load is an important influence factor of the dynamic characteristic of the linear rolling guide rail, so that a special test device is needed to be designed, external loads with different sizes and directions can be applied to the linear rolling guide rail, and the dynamic characteristic of the linear rolling guide rail can be tested when the linear rolling guide rail is subjected to the external loads with different sizes and directions.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the utility model provides a linear rolling guide dynamic characteristic test device and measuring method not only can exert the external load of equidimension and direction to linear rolling guide to when linear rolling guide receives the external load effect of equidimension and direction, carry out the test to its dynamic characteristic. The to-be-solved technical problem of the utility model is: firstly, the magnitude and direction of external load applied to the linear rolling guide rail can be adjusted; second, the dynamic performance of the mechanism for applying an external load does not affect the dynamic characteristics of the linear rolling guide.
A linear rolling guide dynamic characteristic test device, a serial communication port, include:
the supporting mechanism comprises a linear rolling guide rail supporting part and a linear rolling guide rail, wherein the linear rolling guide rail comprises a linear guide rail and a sliding block, the linear guide rail is arranged on the linear rolling guide rail supporting part, and the sliding block is arranged on the linear guide rail in a sliding manner;
the lateral loading mechanism is arranged on a horizontal plane, is positioned on the side surface of the linear rolling guide rail, and comprises a lateral force application unit and a lateral pulling unit, wherein the lateral force application unit comprises a lateral fixing part and a lateral stretching part, and the lateral fixing part is arranged on the linear rolling guide rail supporting part and is used for fixing the lateral force application unit; the lateral stretching part is arranged on the lateral fixing part, and the telescopic end of the lateral stretching part is connected with the slide block of the linear rolling guide rail through a lateral pulling unit and is used for applying lateral loading force to the linear rolling guide rail;
and the vertical loading mechanism is arranged in a vertical plane, is positioned at the bottom of the linear rolling guide rail and comprises a vertical force application unit and a vertical pulling unit, and the telescopic end of the vertical force application unit is connected with the sliding block of the linear rolling guide rail through the vertical pulling unit and is used for applying vertical loading force to the linear rolling guide rail.
The linear rolling guide rail supporting part comprises a pair of large fixed platforms, guide rail supporting blocks, guide rail supporting block fixing screws, linear rolling guide rail fixing plates and linear rolling guide rail fixing plate screws, wherein the large fixed platforms are arranged side by side, and a test area for mounting the linear rolling guide rail is reserved for mounting the linear rolling guide rail; the guide rail supporting blocks are respectively arranged at the end faces opposite to the large fixed platforms and are fixedly connected with the linear guide rail of the linear rolling guide rail through guide rail supporting block fixing screws, so that the linear rolling guide rail is erected in a test area formed by the two large fixed platforms; the linear rolling guide rail fixing plate is arranged at the bottom of the linear guide rail, is fixedly connected with the linear guide rail through a linear rolling guide rail fixing plate screw and is used for reinforcing the linear rolling guide rail.
The lateral fixing part comprises a lateral loading guide pillar fixing plate and a lateral loading guide pillar fixing plate fixing screw; the lateral stretching part comprises a lateral loading guide column baffle, a lateral loading nut, a lateral spring guide column, a lateral compression spring and a lateral screw rod, and the lateral loading guide column fixing plate and the lateral loading guide column baffle are arranged in parallel and opposite to each other and are parallel to the linear rolling guide rail; the lateral spring guide post is arranged on the end surface of the lateral loading guide post fixing plate opposite to the lateral loading guide post baffle and is used for mounting a lateral compression spring; the lateral compression spring is arranged between the lateral loading guide pillar fixing plate and the lateral loading guide pillar baffle, and two ends of the lateral compression spring are respectively connected with corresponding lateral spring guide pillars; the lateral loading guide pillar fixing plate is arranged on the side surface close to the linear rolling guide rail and is installed on the large fixing platform through a lateral loading guide pillar fixing plate fixing screw; and two end parts of the lateral screw rod respectively penetrate through the lateral loading guide pillar fixing plate and the lateral loading guide pillar baffle, one end of the lateral screw rod is in threaded connection with a lateral loading nut, and the other end of the lateral screw rod is used as a telescopic end and connected with a lateral pulling unit, and is used for providing lateral loading force for a sliding block of the linear rolling guide rail through the lateral pulling unit.
The lateral pulling unit comprises a lateral loading rope fixing plate, a lateral loading rope fixing plate screw nut and a lateral loading rope, wherein the lateral loading rope fixing plate is installed at the telescopic end of the lateral screw rod and is fixed with the lateral loading rope fixing plate screw nut through the lateral loading rope fixing plate screw nut; the lateral loading rope is arranged on the side face of the linear rolling guide rail, one end of the lateral loading rope is connected with the sliding block of the linear rolling guide rail, the other end of the lateral loading rope is connected to the lateral loading rope fixing plate, and the lateral loading rope is kept in a stretched straight stressed state and used for carrying out lateral loading on the linear rolling guide rail.
The vertical force application unit comprises a vertical loading guide pillar fixing plate, a vertical loading guide pillar baffle, a vertical loading nut, a vertical spring guide pillar, a vertical compression spring and a vertical screw rod, wherein the vertical loading guide pillar fixing plate and the vertical loading guide pillar baffle are arranged in parallel and are opposite to each other and are parallel to the linear rolling guide rail; the vertical spring guide pillar is arranged on the end face, opposite to the vertical loading guide pillar baffle, of the vertical loading guide pillar fixing plate and is used for mounting a vertical compression spring; the vertical compression spring is arranged between the vertical loading guide pillar fixing plate and the vertical loading guide pillar baffle, and two ends of the vertical compression spring are respectively connected with corresponding vertical spring guide pillars; two end parts of the vertical screw rod respectively penetrate through the vertical loading guide pillar fixing plate and the vertical loading guide pillar baffle, one end of the vertical screw rod is in threaded connection with the vertical loading nut, and the other end of the vertical screw rod is used as a telescopic end and is connected with the vertical pulling unit and used for providing vertical loading force for the sliding block of the linear rolling guide rail through the vertical pulling unit.
The vertical pulling unit comprises a vertical loading rope fixing plate, a vertical loading rope fixing plate screw nut and a vertical loading rope, wherein the vertical loading rope fixing plate is installed at the telescopic end of the vertical screw rod and is fixed with the vertical loading rope fixing plate screw nut through the vertical loading rope fixing plate screw nut; the vertical loading rope is arranged on the front face of the linear rolling guide rail, one end of the vertical loading rope is connected with the sliding block of the linear rolling guide rail, the other end of the vertical loading rope is connected to the vertical loading rope fixing plate, and the vertical loading rope is kept in a stretched straight stressed state and used for carrying out vertical loading on the linear rolling guide rail.
The end face opposite to the large fixed platform is provided with a trapezoidal groove for matching with the guide rail supporting block.
The bottom of the large fixed platform is provided with a recess for accommodating the vertical loading mechanism.
The test method by using the linear rolling guide rail dynamic characteristic test device is characterized by comprising the following steps of:
1) firstly, the specific external load F is subjected to stress decomposition to be decomposed into corresponding side loads FSide wallAnd vertical load FHanging deviceAnd converts the load into a corresponding lateral spring compression epsilon by Hooke's lawSide wallAnd vertical spring compression amount epsilonHanging deviceIn which epsilonSide wall＝FSide wall/kSide wall，εHanging device＝FHanging device/kHanging device，kSide wallAnd kHanging deviceThe stiffness coefficients of the lateral spring and the vertical spring are constant respectively, and the unit is cattle/millimeter (N-mm)，F、FSide wallAnd FHanging deviceAll units of (A) are cattle (N), epsilonSide wallAnd εHanging deviceThe units of (a) are millimeters (mm);
2) respectively measuring the initial distance d between the lateral loading guide pillar baffle and the lateral loading guide pillar fixing plateSide wallAnd the initial distance d between the vertical loading guide pillar fixing plate and the vertical loading guide pillar baffle plateHanging device，dSide wallAnd dHanging deviceUnits are millimeters (mm);
3) respectively rotating the lateral loading nut and the vertical loading nut, and then respectively measuring the loaded distance d 'between the lateral loading guide pillar baffle and the lateral loading guide pillar fixing plate'Side wallAnd the post-loading distance d 'between the vertical loading guide pillar fixing plate and the vertical loading guide pillar baffle plate'Hanging device，d′Side wallAnd d'Hanging deviceUnits are millimeters (mm);
4) respectively calculating the difference delta between the two-directional initial distance and the loaded distanceSide wall＝dSide wall-d′Side wallAnd ΔHanging device＝dHanging device-d′Hanging device，ΔSide wallAnd ΔHanging deviceUnits are millimeters (mm) until the difference is the converted spring compression, i.e., ΔSide wall＝εSide wallAnd ΔHanging device＝εHanging deviceAnd performing dynamic characteristic test based on the above.
The utility model has the advantages that:
firstly, the magnitude and direction of the external load applied to the linear rolling guide rail can be adjusted: the utility model discloses a dynamic characteristic test device of a linear rolling guide rail, which is provided with two loading mechanisms (a lateral loading mechanism and a vertical loading mechanism) which are vertical to each other, and the magnitude of the loading force acting on the linear rolling guide rail can be respectively adjusted through respective loading nuts of the two loading mechanisms; the direction of the loading force acting on the linear rolling guide rail is the direction of the resultant force of the loading forces generated by the two loading mechanisms, and the adjustment of the direction of the loading force can be realized by adjusting the proportional relation between the magnitudes of the loading forces generated by the two loading mechanisms;
secondly, the dynamic performance of the mechanism for applying the external load does not affect the dynamic characteristics of the linear rolling guide: the utility model discloses a linear rolling guide dynamic characteristic test device, two mutually perpendicular's loading mechanism (side direction loading mechanism, vertical loading mechanism) all are through flexible loading rope and linear rolling guide connection respectively, and loading mechanism's dynamic nature produces the influence to linear rolling guide's dynamic characteristic and can fall to minimum (can neglect almost) like this.
Compared with the prior art, the utility model advantage and effect that have:
first, the utility model discloses can exert the external load of equidimension and direction to linear rolling guide to when linear rolling guide received the external load effect of equidimension and direction not, carry out experimental test to its dynamic characteristic. Namely, the dynamic characteristics of the linear rolling guide rail under the action of external loads with different sizes and directions are tested.
Secondly, the magnitude and direction of the external load applied to the linear rolling guide rail can be adjusted.
Thirdly, the dynamic performance of the mechanism for applying an external load does not affect the dynamic characteristics of the linear rolling guide.
Drawings
FIG. 1 is a top view of a linear rolling guide dynamic characteristic testing apparatus;
FIG. 2 is a front view of a dynamic characteristic testing device for a linear rolling guide rail;
FIG. 3 is a three-dimensional view of a dynamic characteristic testing device for a linear rolling guide.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
With reference to the accompanying drawings:
embodiment 1 a linear rolling guide dynamic characteristic test device, include:
the supporting mechanism comprises a linear rolling guide rail supporting part and a linear rolling guide rail 6, wherein the linear rolling guide rail 6 comprises a linear guide rail and a sliding block, the linear guide rail is arranged on the linear rolling guide rail supporting part, and the sliding block is arranged on the linear guide rail in a sliding manner;
the lateral loading mechanism 1 is arranged on a horizontal plane, is positioned on the side surface of the linear rolling guide rail, and comprises a lateral force application unit and a lateral pulling unit, wherein the lateral force application unit comprises a lateral fixing part and a lateral stretching part, and the lateral fixing part is arranged on the linear rolling guide rail supporting part and is used for fixing the lateral force application unit; the lateral stretching part is arranged on the lateral fixing part, and the telescopic end of the lateral stretching part is connected with the slide block of the linear rolling guide rail through a lateral pulling unit and is used for applying lateral loading force to the linear rolling guide rail;
and the vertical loading mechanism 8 is arranged in a vertical plane, is positioned at the bottom of the linear rolling guide rail, comprises a vertical force application unit and a vertical pulling unit, and the telescopic end of the vertical force application unit is connected with the sliding block of the linear rolling guide rail through the vertical pulling unit and is used for applying vertical loading force to the linear rolling guide rail.
The linear rolling guide rail supporting part comprises a pair of large fixed platforms 7, guide rail supporting blocks 4, guide rail supporting block fixing screws 5, linear rolling guide rail fixing plates 2 and linear rolling guide rail fixing plate screws 3, wherein the large fixed platforms are arranged side by side, and a test area for installing the linear rolling guide rail is reserved for installing the linear rolling guide rail; the guide rail supporting blocks are respectively arranged at the end faces opposite to the large fixed platforms and are fixedly connected with the linear guide rail of the linear rolling guide rail through guide rail supporting block fixing screws, so that the linear rolling guide rail is erected in a test area formed by the two large fixed platforms; the linear rolling guide rail fixing plate is arranged at the bottom of the linear guide rail, is fixedly connected with the linear guide rail through a linear rolling guide rail fixing plate screw and is used for reinforcing the linear rolling guide rail.
The lateral fixing part comprises a lateral loading guide pillar fixing plate 1-6 and a lateral loading guide pillar fixing plate fixing screw 1-5; the lateral stretching part comprises a lateral loading guide column baffle plate 1-2, a lateral loading nut 1-1, a lateral spring guide column 1-3, a lateral compression spring 1-4 and a lateral screw rod 1-7, wherein a lateral loading guide column fixing plate and the lateral loading guide column baffle plate are arranged in parallel and opposite to each other and are parallel to the linear rolling guide rail; the lateral spring guide post is arranged on the end surface of the lateral loading guide post fixing plate opposite to the lateral loading guide post baffle and is used for mounting a lateral compression spring; the lateral compression spring is arranged between the lateral loading guide pillar fixing plate and the lateral loading guide pillar baffle, and two ends of the lateral compression spring are respectively connected with corresponding lateral spring guide pillars; the lateral loading guide pillar fixing plate is arranged on the side surface close to the linear rolling guide rail and is installed on the large fixing platform through a lateral loading guide pillar fixing plate fixing screw; and two end parts of the lateral screw rod respectively penetrate through the lateral loading guide pillar fixing plate and the lateral loading guide pillar baffle, one end of the lateral screw rod is in threaded connection with a lateral loading nut, and the other end of the lateral screw rod is used as a telescopic end and connected with a lateral pulling unit, and is used for providing lateral loading force for a sliding block of the linear rolling guide rail through the lateral pulling unit.
The lateral pulling unit comprises lateral loading rope fixing plates 1-8, lateral loading rope fixing plate screw nuts 1-9 and lateral loading ropes 1-10, wherein the lateral loading rope fixing plates are installed at the telescopic ends of the lateral screw rods and are fixed with the lateral loading rope fixing plates through the lateral loading rope fixing plate screw nuts; the lateral loading rope is arranged on the side face of the linear rolling guide rail, one end of the lateral loading rope is connected with the sliding block of the linear rolling guide rail, the other end of the lateral loading rope is connected to the lateral loading rope fixing plate, and the lateral loading rope is kept in a stretched straight stressed state and used for carrying out lateral loading on the linear rolling guide rail.
The vertical force application unit comprises a vertical loading guide pillar fixing plate 8-5, a vertical loading guide pillar baffle plate 8-8, a vertical loading nut 8-9, a vertical spring guide pillar 8-7, a vertical compression spring 8-6 and a vertical screw 8-4, wherein the vertical loading guide pillar fixing plate and the vertical loading guide pillar baffle plate are arranged in parallel and are opposite to each other and are parallel to the linear rolling guide rail; the vertical spring guide pillar is arranged on the end face, opposite to the vertical loading guide pillar baffle, of the vertical loading guide pillar fixing plate and is used for mounting a vertical compression spring; the vertical compression spring is arranged between the vertical loading guide pillar fixing plate and the vertical loading guide pillar baffle, and two ends of the vertical compression spring are respectively connected with corresponding vertical spring guide pillars; two end parts of the vertical screw rod respectively penetrate through the vertical loading guide pillar fixing plate and the vertical loading guide pillar baffle, one end of the vertical screw rod is in threaded connection with the vertical loading nut, and the other end of the vertical screw rod is used as a telescopic end and is connected with the vertical pulling unit and used for providing vertical loading force for the sliding block of the linear rolling guide rail through the vertical pulling unit.
The vertical pulling unit comprises a vertical loading rope fixing plate 8-3, a vertical loading rope fixing plate screw nut 8-2 and a vertical loading rope 8-1, wherein the vertical loading rope fixing plate is arranged at the telescopic end of the vertical screw rod and is fixed with the vertical loading rope fixing plate screw nut through the vertical loading rope fixing plate; the vertical loading rope is arranged on the front face of the linear rolling guide rail, one end of the vertical loading rope is connected with the sliding block of the linear rolling guide rail, the other end of the vertical loading rope is connected to the vertical loading rope fixing plate, and the vertical loading rope is kept in a stretched straight stressed state and used for carrying out vertical loading on the linear rolling guide rail.
The end face opposite to the large fixed platform is provided with a trapezoidal groove for matching with the guide rail supporting block.
The bottom of the large fixed platform is provided with a recess for accommodating the vertical loading mechanism.
Example 2 the test apparatus described in this example was installed:
(1) the two large fixing platforms 7 are arranged in parallel as shown in the attached figure 1, the distance between the two large fixing platforms 7 is adjusted, so that the holes of the guide rail supporting blocks 4 are respectively aligned with the trapezoidal grooves of the large fixing platforms on the two sides and are fixed through the guide rail supporting block fixing screws 5;
(2) aligning the threaded hole of the linear rolling guide rail 6 with the threaded hole on the guide rail supporting block 4, and fixing the threaded hole through a linear rolling guide rail fixing plate screw 3; the linear rolling guide rail fixing plate 2 is fixed through a linear rolling guide rail fixing plate screw 3 to reinforce the linear rolling guide rail 6;
(3) respectively assembling the lateral loading mechanism 1 and the vertical loading mechanism 8:
fixing the spring guide columns on the lateral/vertical loading guide column baffle and the lateral/vertical loading guide column fixing plate respectively through screws, and sleeving the springs between the spring guide columns;
II, sequentially penetrating a lateral screw through the middle holes of the lateral loading guide pillar fixing plate and the lateral loading guide pillar baffle; the vertical screw rod sequentially penetrates through the middle holes of the vertical loading guide pillar fixing plate and the vertical loading guide pillar baffle;
iii, fixing the lateral loading rope fixing plate and the lateral screw rod through a lateral loading rope fixing plate screw nut; fixing the vertical loading rope fixing plate and the vertical screw rod through a vertical loading rope fixing plate screw nut;
iv, the lateral loading rope penetrates through a hole in a lateral loading rope fixing plate and is fixed; the lateral loading rope passes through a hole on the lateral loading rope fixing plate and is fixed; the vertical loading rope passes through the hole on the vertical loading rope fixing plate and is fixed;
v, connecting a lateral loading nut with the threaded end part of the lateral screw rod, and placing the lateral loading nut on the side, without the guide pillar, of the lateral loading guide pillar baffle; the vertical loading nut is connected with the threaded end part of the vertical screw and is arranged on the side, without the guide pillar, of the vertical loading guide pillar baffle;
(4) placing a lateral loading rope on the side surface of the rolling linear guide rail, placing a vertical loading rope on the front surface of the rolling linear guide rail, and moving the lateral loading mechanism 1 and the vertical loading mechanism 8 to enable the lateral loading rope and the vertical loading rope to be in a stretched and straight stressed state, so that the lateral loading mechanism 1 and the vertical loading mechanism 8 can carry out lateral and vertical loading on the linear rolling guide rail; after the position is adjusted, fixing the lateral loading guide pillar fixing plate by using a lateral loading guide pillar fixing plate fixing screw;
(5) the lateral loading and the vertical loading of the rolling linear guide rail are realized by respectively rotating the lateral loading nut and the vertical loading nut. The specific working principle is as follows: lateral loading guide pillar baffle and vertical loading guide pillar baffle come compression spring through rotatory lateral loading nut and vertical loading nut, lateral spring produces reaction force to lateral loading guide pillar baffle, vertical compression spring produces reaction force to vertical loading guide pillar baffle, lateral loading guide pillar baffle and vertical loading guide pillar baffle are to lateral loading nut and vertical loading nut transmission power, lateral loading nut and vertical loading nut drive lateral screw rod and vertical screw rod, this power is transmitted for rolling linear guide through the loading rope in lateral loading mechanism 1 and the vertical loading mechanism 8 at last, thereby realize its lateral direction and vertical loading.
1) firstly, the specific external load F is subjected to stress decomposition to be decomposed into corresponding side loads FSide wallAnd vertical load FHanging deviceAnd converts the load into a corresponding lateral spring compression epsilon by Hooke's lawSide wallAnd vertical spring compression amount epsilonHanging deviceIn which epsilonSide wall＝FSide wall/kSide wall，εHanging device＝FHanging device/kHanging device，kSide wallAnd kHanging deviceThe stiffness coefficients of the lateral spring and the vertical spring are constant and have unit of cattle/millimeter (N/mm), F, FSide wallAnd FHanging deviceAll units of (A) are cattle (N), epsilonSide wallAnd εHanging deviceThe units of (a) are millimeters (mm);
2) respectively measuring the initial distance d between the lateral loading guide pillar baffle and the lateral loading guide pillar fixing plateSide wallAnd the initial distance d between the vertical loading guide pillar fixing plate and the vertical loading guide pillar baffle plateHanging device，dSide wallAnd dHanging deviceUnits are millimeters (mm);
3) respectively rotating the lateral loading nut and the vertical loading nut, and then respectively measuring the loaded distance d 'between the lateral loading guide pillar baffle and the lateral loading guide pillar fixing plate'Side wallAnd the post-loading distance d 'between the vertical loading guide pillar fixing plate and the vertical loading guide pillar baffle plate'Hanging device，d′Side wallAnd d'Hanging deviceUnits are millimeters (mm);
4) respectively calculating the difference delta between the two-directional initial distance and the loaded distanceSide wall＝dSide wall-d′Side wallAnd ΔHanging device＝dHanging device-d′Hanging device，ΔSide wallAnd ΔHanging deviceUnits are millimeters (mm) until the difference is the converted spring compression, i.e., ΔSide wall＝εSide wallAnd ΔHanging device＝εHanging deviceAnd performing dynamic characteristic test based on the above.
The embodiments described in this specification are merely illustrative of implementations of the inventive concepts, and the scope of the invention should not be considered limited to the specific forms set forth in the embodiments, but rather the scope of the invention includes equivalent technical means that can be conceived by those skilled in the art based on the inventive concepts.
Claims (8)
1. The utility model provides a linear rolling guide rail dynamic characteristic test device which characterized in that includes:
the supporting mechanism comprises a linear rolling guide rail supporting part and a linear rolling guide rail, wherein the linear rolling guide rail comprises a linear guide rail and a sliding block, the linear guide rail is arranged on the linear rolling guide rail supporting part, and the sliding block is arranged on the linear guide rail in a sliding manner;
the lateral loading mechanism is arranged on a horizontal plane, is positioned on the side surface of the linear rolling guide rail, and comprises a lateral force application unit and a lateral pulling unit, wherein the lateral force application unit comprises a lateral fixing part and a lateral stretching part, and the lateral fixing part is arranged on the linear rolling guide rail supporting part and is used for fixing the lateral force application unit; the lateral stretching part is arranged on the lateral fixing part, and the telescopic end of the lateral stretching part is connected with the slide block of the linear rolling guide rail through a lateral pulling unit and is used for applying lateral loading force to the linear rolling guide rail;
and the vertical loading mechanism is arranged in a vertical plane, is positioned at the bottom of the linear rolling guide rail and comprises a vertical force application unit and a vertical pulling unit, and the telescopic end of the vertical force application unit is connected with the sliding block of the linear rolling guide rail through the vertical pulling unit and is used for applying vertical loading force to the linear rolling guide rail.
2. The linear rolling guide dynamic characteristic test device according to claim 1, wherein: the linear rolling guide rail supporting part comprises a pair of large fixed platforms, guide rail supporting blocks, guide rail supporting block fixing screws, linear rolling guide rail fixing plates and linear rolling guide rail fixing plate screws, wherein the large fixed platforms are arranged side by side, and a test area for mounting the linear rolling guide rail is reserved for mounting the linear rolling guide rail; the guide rail supporting blocks are respectively arranged at the end faces opposite to the large fixed platforms and are fixedly connected with the linear guide rail of the linear rolling guide rail through guide rail supporting block fixing screws, so that the linear rolling guide rail is erected in a test area formed by the two large fixed platforms; the linear rolling guide rail fixing plate is arranged at the bottom of the linear guide rail, is fixedly connected with the linear guide rail through a linear rolling guide rail fixing plate screw and is used for reinforcing the linear rolling guide rail.
3. The linear rolling guide dynamic characteristic test device according to claim 1, wherein: the lateral fixing part comprises a lateral loading guide pillar fixing plate and a lateral loading guide pillar fixing plate fixing screw; the lateral stretching part comprises a lateral loading guide column baffle, a lateral loading nut, a lateral spring guide column, a lateral compression spring and a lateral screw rod, and the lateral loading guide column fixing plate and the lateral loading guide column baffle are arranged in parallel and opposite to each other and are parallel to the linear rolling guide rail; the lateral spring guide post is arranged on the end surface of the lateral loading guide post fixing plate opposite to the lateral loading guide post baffle and is used for mounting a lateral compression spring; the lateral compression spring is arranged between the lateral loading guide pillar fixing plate and the lateral loading guide pillar baffle, and two ends of the lateral compression spring are respectively connected with corresponding lateral spring guide pillars; the lateral loading guide pillar fixing plate is arranged on the side surface close to the linear rolling guide rail and is installed on the large fixing platform through a lateral loading guide pillar fixing plate fixing screw; and two end parts of the lateral screw rod respectively penetrate through the lateral loading guide pillar fixing plate and the lateral loading guide pillar baffle, one end of the lateral screw rod is in threaded connection with a lateral loading nut, and the other end of the lateral screw rod is used as a telescopic end and connected with a lateral pulling unit, and is used for providing lateral loading force for a sliding block of the linear rolling guide rail through the lateral pulling unit.
4. A linear rolling guide dynamic characteristic testing apparatus according to claim 1 or 3, wherein: the lateral pulling unit comprises a lateral loading rope fixing plate, a lateral loading rope fixing plate screw nut and a lateral loading rope, wherein the lateral loading rope fixing plate is installed at the telescopic end of the lateral screw rod and is fixed with the lateral loading rope fixing plate screw nut through the lateral loading rope fixing plate screw nut; the lateral loading rope is arranged on the side face of the linear rolling guide rail, one end of the lateral loading rope is connected with the sliding block of the linear rolling guide rail, the other end of the lateral loading rope is connected to the lateral loading rope fixing plate, and the lateral loading rope is kept in a stretched straight stressed state and used for carrying out lateral loading on the linear rolling guide rail.
5. A linear rolling guide dynamic characteristic testing apparatus according to claim 1 or 3, wherein: the vertical force application unit comprises a vertical loading guide pillar fixing plate, a vertical loading guide pillar baffle, a vertical loading nut, a vertical spring guide pillar, a vertical compression spring and a vertical screw rod, wherein the vertical loading guide pillar fixing plate and the vertical loading guide pillar baffle are arranged in parallel and are opposite to each other and are parallel to the linear rolling guide rail; the vertical spring guide pillar is arranged on the end face, opposite to the vertical loading guide pillar baffle, of the vertical loading guide pillar fixing plate and is used for mounting a vertical compression spring; the vertical compression spring is arranged between the vertical loading guide pillar fixing plate and the vertical loading guide pillar baffle, and two ends of the vertical compression spring are respectively connected with corresponding vertical spring guide pillars; two end parts of the vertical screw rod respectively penetrate through the vertical loading guide pillar fixing plate and the vertical loading guide pillar baffle, one end of the vertical screw rod is in threaded connection with the vertical loading nut, and the other end of the vertical screw rod is used as a telescopic end and is connected with the vertical pulling unit and used for providing vertical loading force for the sliding block of the linear rolling guide rail through the vertical pulling unit.
6. The linear rolling guide dynamic characteristic test device according to claim 5, wherein: the vertical pulling unit comprises a vertical loading rope fixing plate, a vertical loading rope fixing plate screw nut and a vertical loading rope, wherein the vertical loading rope fixing plate is installed at the telescopic end of the vertical screw rod and is fixed with the vertical loading rope fixing plate screw nut through the vertical loading rope fixing plate screw nut; the vertical loading rope is arranged on the front face of the linear rolling guide rail, one end of the vertical loading rope is connected with the sliding block of the linear rolling guide rail, the other end of the vertical loading rope is connected to the vertical loading rope fixing plate, and the vertical loading rope is kept in a stretched straight stressed state and used for carrying out vertical loading on the linear rolling guide rail.
7. The linear rolling guide dynamic characteristic test device according to claim 2, wherein: the end face opposite to the large fixed platform is provided with a trapezoidal groove for matching with the guide rail supporting block.
8. The linear rolling guide dynamic characteristic test apparatus according to claim 2 or 7, wherein: the bottom of the large fixed platform is provided with a recess for accommodating the vertical loading mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020322153.9U CN212458898U (en) | 2020-03-16 | 2020-03-16 | A test device for dynamic characteristics of linear rolling guide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020322153.9U CN212458898U (en) | 2020-03-16 | 2020-03-16 | A test device for dynamic characteristics of linear rolling guide |
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| Publication Number | Publication Date |
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| CN212458898U true CN212458898U (en) | 2021-02-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020322153.9U Expired - Fee Related CN212458898U (en) | 2020-03-16 | 2020-03-16 | A test device for dynamic characteristics of linear rolling guide |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111307488A (en) * | 2020-03-16 | 2020-06-19 | 浙江工业大学 | Linear rolling guide rail dynamic characteristic test device and test method |
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2020
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111307488A (en) * | 2020-03-16 | 2020-06-19 | 浙江工业大学 | Linear rolling guide rail dynamic characteristic test device and test method |
| CN111307488B (en) * | 2020-03-16 | 2024-07-19 | 浙江工业大学 | A linear rolling guide dynamic characteristics test device and test method |
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