Auxiliary system for gravel impact test

Abstract

The utility model discloses a broken stone impact test auxiliary system, which comprises a support plate horizontally arranged; the top frame is located above the supporting plate; the lifting motion guide columns are vertically arranged, and the two ends of the lifting motion guide columns are fixedly connected with the supporting plate and the top frame correspondingly; the output end of the lifting mechanism is connected to the multiple lifting motion guide columns. The first translation mechanism is mounted at the output end of the lifting mechanism, and the output end of the first translation mechanism can horizontally move in the first direction; the second translation mechanism is mounted at the output end of the first translation mechanism, and the output end of the second translation mechanism can horizontally move in the second direction; the second direction is perpendicular to the first direction; the rotating mechanism is mounted at the output end of the second translation mechanism; the test piece mounting frame is mounted at the output end of the rotating mechanism; the test piece is detachably and fixedly mounted on the test piece mounting frame; wherein the position of the test piece is aligned with a broken stone nozzle of the broken stone impact equipment.

Description

Technical Field

[0001] The utility model belongs to the technical field of gravel impact testing, and particularly relates to a gravel impact testing auxiliary system. Background Art

[0002] Gravel impact testing is a commonly used testing method for evaluating the resistance of surface coatings or functional parts to gravel impact. In this experiment, the test piece is subjected to gravel impacts at different speeds and angles to simulate possible real situations. Through gravel impact testing, the strength, toughness, and durability of the coating or functional part can be evaluated.

[0003] As Figure 1 shown, currently in gravel impact testing, gravel (grit) is ejected directly from the nozzle and acts on the test piece. Since the initial velocity of the gravel is very fast, in order to avoid operator injury, the test piece is fixed to the collision box by a pressure clamp, and there are no gaps around it, so that the gravel will not fly out. Although this can complete the gravel impact testing, the test piece must be a sample plate or a cut sample of the assembled part, and the assembled part cannot be tested. Therefore, the state of the assembled part after the test cannot be visually judged, and only the local performance such as the cut sample or the sample plate can be used to evaluate the performance of the assembled part. This has certain uncertainties in the judgment of the final assembled parts. Content of the Utility Model

[0004] The purpose of the utility model is to overcome the defects of the prior art and provide a gravel impact testing auxiliary system, which is convenient for adjusting the position and angle of the test piece, is used in cooperation with the existing gravel impact testing equipment, can realize gravel impact testing on the assembled parts without cutting samples, and is applicable to collision boxes at different angles.

[0005] The technical solution provided by the utility model is as follows:

[0006] A gravel impact testing auxiliary system includes:

[0007] A support plate, which is horizontally arranged;

[0008] A top frame, which is horizontally arranged and located above the support plate;

[0009] A plurality of lifting motion guiding columns, which are vertically arranged, and both ends of the lifting motion guiding columns are fixedly connected to the support plate and the top frame respectively;

[0010] A lifting mechanism, whose output end is connected to the plurality of lifting motion guiding columns and can move along the lifting motion guiding columns;

[0011] A first translation mechanism, which is installed on the output end of the lifting mechanism, and the output end of the first translation mechanism can move horizontally along a first direction;

[0012] A second translation mechanism, which is installed on the output end of the first translation mechanism, and the output end of the second translation mechanism can move horizontally along a second direction;

[0013] Wherein, the second direction is perpendicular to the first direction;

[0014] A rotation mechanism, which is installed on the output end of the second translation mechanism;

[0015] A specimen mounting rack, which is installed on the output end of the rotation mechanism;

[0016] A specimen, which is detachably and fixedly installed on the specimen mounting rack;

[0017] Wherein, the position of the specimen is set to be aligned with the gravel spout of the gravel impact device; the rotation mechanism can drive the specimen mounting rack to flip to adapt to different gravel impact angles.

[0018] Preferably, the lifting mechanism includes:

[0019] A first lead screw, which is installed on the top frame;

[0020] Two first bevel gears, which are respectively fixedly installed at both ends of the first lead screw;

[0021] Two second lead screws, which are vertically arranged and are respectively close to both ends of the first lead screw; one end of the second lead screw is rotatably connected to the support plate;

[0022] Two second bevel gears, which are respectively installed at the other ends of the two second lead screws;

[0023] Wherein, the second bevel gears are respectively meshed with the first bevel gears, and the axis angle between the second bevel gear and the first bevel gear is 90 degrees;

[0024] Two nuts, which are respectively installed on the two second lead screws;

[0025] A lifting platform, which is fixedly connected to the two nuts and is movably connected to the plurality of lifting movement guide columns;

[0026] A driving device, which is connected to the first lead screw and is used to drive the first lead screw to rotate.

[0027] Preferably, the first translation mechanism adopts a linear slide table module and is installed on the lifting platform.

[0028] Preferably, the second translation mechanism adopts a linear slide table module and is installed on the slide table of the first translation mechanism.

[0029] Preferably, a first counterweight is installed on the support plate.

[0030] Preferably, an installation flat plate is connected to the sliding table of the first translation mechanism, the second translation mechanism is fixedly connected to one end of the installation flat plate, and a second counterweight is installed at the other end of the installation flat plate;

[0031] Wherein, the sliding table of the second translation mechanism is arranged in a direction away from the second counterweight.

[0032] Preferably, the rotating mechanism includes:

[0033] A fixed bracket, which is horizontally arranged; one end of the fixed bracket is fixedly connected to the sliding table of the second translation mechanism, and a optical axis is arranged at the other end of the fixed bracket;

[0034] A rotating bracket, one end of which is rotatably connected to the optical axis;

[0035] A rotating platform, which is fixedly connected to the other end of the rotating bracket;

[0036] A rotating guide plate, which is vertically installed on one side of the fixed bracket, and a first arc-shaped chute is formed on the rotating guide plate;

[0037] A locking knob, which is arranged outside the rotating guide plate; a screw rod is connected to the locking knob, and the screw rod passes through the arc-shaped chute and is connected to the rotating bracket;

[0038] Wherein, the specimen mounting frame is connected to the rotating platform through a rotating shaft, and a second arc-shaped chute is formed on the rotating platform;

[0039] A sliding knob, one end of which is connected to the specimen mounting frame, and the other end is arranged in the second arc-shaped chute and can slide along the second arc-shaped chute.

[0040] Preferably, the gravel impact test auxiliary system further includes: a gravel baffle, which is fixedly installed on the specimen mounting frame and is arranged at an interval from the specimen;

[0041] Wherein, the gravel baffle is located outside the specimen, and the size of the gravel baffle is larger than the size of the gravel spray nozzle of the gravel impact device.

[0042] Preferably, a plurality of casters with self-locking functions are arranged at the bottom of the support plate.

[0043] The beneficial effects of the present utility model are:

[0044] The gravel impact test auxiliary system provided by the present utility model facilitates the adjustment of the position and angle of the test piece, and is used in cooperation with the existing gravel impact test equipment. It can realize the gravel impact test without cutting samples of the assembly parts, and at the same time can be applied to collision boxes at different angles. BRIEF DESCRIPTION OF THE DRAWINGS

[0045] Figure 1 It is a schematic diagram of the gravel impact test equipment described in the present utility model.

[0046] Figure 2 It is a schematic diagram of the overall structure of the gravel impact test auxiliary system described in the present utility model.

[0047] Figure 3 It is a schematic diagram of the structure of the lifting mechanism described in the present utility model.

[0048] Figure 4 It is a schematic diagram of the rotating mechanism described in the present utility model.

[0049] Figure 5 It is a schematic diagram of the bottom of the rotating mechanism described in the present utility model.

[0050] Figure 6 It is a schematic diagram of the structure of the test piece mounting rack described in the present utility model.

[0051] Figure 7 It is a schematic diagram of the cooperation between the gravel impact test auxiliary system and the gravel impact test equipment described in the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0052] The following further describes the present utility model in detail with reference to the drawings, so that those skilled in the art can implement it according to the description in the specification.

[0053] As Figure 2-7 shown, the present utility model provides a gravel impact test auxiliary system, which mainly includes: a support plate 110, a top frame 120, a lifting motion guiding column 130, a lifting mechanism 140, a first translation mechanism 150, a second translation mechanism 160, a rotating mechanism 170, a test piece mounting rack 180 and casters 190.

[0054] The support plate 110 is horizontally arranged. The top frame 120 is horizontally arranged and is located above the support plate 110. A plurality of lifting motion guiding columns 130 are vertically arranged, and both ends of the lifting motion guiding column 130 are fixedly connected to the support plate 110 and the top frame 120 respectively. In this embodiment, the support plate 110 is a rectangular plate, the top frame 120 is a rectangular frame, and the lifting motion guiding columns 130 are arranged in 4 numbers, respectively near the four top corners of the top frame 120.

[0055] As an optimization, a first counterweight 111 is installed on the support plate 110 to ensure the stability of the system.

[0056] The output end of the lifting mechanism 140 is connected to a plurality of lifting motion guiding columns 130 and can move up and down along the lifting motion guiding columns 130. The first translation mechanism 150 is installed on the output end of the lifting mechanism 140, and the output end of the first translation mechanism 150 can move horizontally along the first direction. The second translation mechanism 160 is installed on the output end of the first translation mechanism 150, and the output end of the second translation mechanism 160 can move horizontally along the second direction; wherein, the second direction is perpendicular to the first direction.

[0057] The rotating mechanism 170 is installed on the output end of the second translation mechanism 160; the specimen mounting rack 180 is installed on the output end of the rotating mechanism 170. The specimen 200 is detachably and fixedly installed on the specimen mounting rack 180. During use, the position of the specimen 200 is set to align with the gravel ejection port of the gravel impact device; the rotating mechanism 170 can drive the specimen mounting rack 170 to flip in the vertical and horizontal directions respectively to adapt to different gravel impact angles.

[0058] In this embodiment, the lifting mechanism 140 includes: a first lead screw 141, a second lead screw 142, a first bevel gear 143, a second bevel gear 144, a nut 145, a lifting platform 146, and a lifting drive handle 147.

[0059] The first lead screw 141 is horizontally arranged and rotatably installed on the top frame 120; two first bevel gears 143 are coaxially and fixedly installed at both ends of the first lead screw 141 respectively. Two second lead screws 142 are vertically arranged and are respectively close to both ends of the first lead screw 141. The lower end of the second lead screw 142 is rotatably connected to the support plate 110; two second bevel gears 144 are respectively installed at the upper ends of the two second lead screws 142. Among them, the second bevel gear 144 is meshed with the first bevel gear 143 in a one-to-one correspondence, and the axis angle between the second bevel gear 144 and the first bevel gear 143 is 90 degrees. Two nuts 145 are respectively installed on the two second lead screws 142. The lifting platform 143 is horizontally arranged above the support plate 110 and is fixedly connected to the two nuts 145 at the same time; the lifting platform 146 is movably connected to the plurality of lifting motion guiding columns 130. The lifting drive handle 147 is fixedly connected to the first lead screw 141 and is located outside the first bevel gear 143. By rotating the lifting drive handle 147, the first lead screw 141 can be rotated, thereby driving the second lead screw 142 to rotate, causing the nut 145 to move along the lead screw, and thus driving the lifting platform 146 to move up and down along the lifting motion guiding columns 130. Among them, the lifting drive handle 147 can also be replaced by other drive devices (such as a stepper motor).

[0060] The first translation mechanism 150 adopts a linear slide module and is installed on the lifting platform 146. The second translation mechanism 160 adopts a linear slide module and is installed on the slide of the first translation mechanism 150. In this embodiment, both the first translation mechanism 150 and the second translation mechanism 160 are driven by a driving handle. Among them, the driving handles of the first translation mechanism 150 and the second translation mechanism 160 can also be replaced by other driving devices (such as a stepping motor).

[0061] In this embodiment, an installation flat plate 151 is connected to the slide of the first translation mechanism 150. The second translation mechanism 160 is fixedly connected to one end of the installation flat plate 151, and a second counterweight 152 is installed at the other end of the installation flat plate 151 to ensure the stability of the overall structure. Among them, the slide of the second translation mechanism 160 is vertically arranged in the direction away from the second counterweight 152.

[0062] The rotating mechanism 170 includes: a fixed bracket 171, a rotating bracket 172, a rotating platform 173, a rotating guide plate 174, a locking knob 175 and a sliding knob 176.

[0063] The fixed bracket 171 is horizontally arranged; one end of the fixed bracket 171 is fixedly connected to the slide of the second translation mechanism 160, and a smooth shaft 171a is arranged at the other end of the fixed bracket 171; the smooth shaft 171a is horizontally arranged and parallel to the slide of the second translation mechanism 160. The lower end of the rotating bracket 172 is rotatably connected to the smooth shaft 171a; the rotating platform 173 is fixedly connected to the upper end of the rotating bracket 172. The rotating guide plate 174 is vertically installed on one side of the fixed bracket 171, and a first arc-shaped chute 174a is formed on the rotating guide plate 174. The locking knob 175 is arranged outside the rotating guide plate 174; a screw rod is connected to the locking knob 175, and the screw rod passes through the first arc-shaped chute 174a and is connected to the rotating bracket 172. The bottom plate of the specimen mounting rack 180 is rotatably connected to the rotating platform 173 through a rotating shaft 180a. A second arc-shaped chute 173a is formed on the rotating platform 173. One end of the sliding knob 176 is connected to the bottom plate of the specimen mounting rack 180, and the other end is arranged in the second arc-shaped chute 173a and can slide in the second arc-shaped chute 173a. By pulling the sliding knob 176, the specimen mounting rack 180 can be rotated horizontally relative to the rotating bracket 172. By pulling the locking knob 175 to move along the first arc-shaped chute 174a, the rotating bracket 172 can be driven to rotate around the smooth shaft 171a, so that the rotating platform 173 rotates, and then the specimen mounting rack 180 is turned over vertically. By tightening the locking knob 175, the position of the rotating platform 173 can be fixed.

[0064] As a preference, a gravel baffle 181 is further installed on the specimen mounting rack 180, and is arranged at intervals with the specimen 200; wherein, the gravel baffle 181 is located outside the specimen 200, and the size of the gravel baffle 181 is larger than the size of the gravel spout of the gravel impact device. The gravel baffle 181 can prevent the gravel from rushing out, which is safe and reliable.

[0065] A clamping mechanism is arranged on the specimen mounting rack 180 for clamping the specimen. In this embodiment, the clamping mechanism includes: a clamping mechanism lead screw 182, a clamping mechanism nut 183, an upper claw 184, a lower claw 185 and a clamping mechanism driving handle 186. The clamping mechanism lead screw 182 is vertically installed on the specimen mounting rack 180, and the clamping mechanism nut 183 is fitted and installed on the clamping mechanism lead screw 182. The upper claw 184 is fixedly connected to the clamping mechanism nut 183, and the lower claw 185 is fixedly installed on the bottom plate of the specimen mounting rack 180 and is arranged opposite to the upper claw 184. Rotating the clamping mechanism driving handle 186 can drive the clamping mechanism lead screw 182 to rotate. A guide groove 187 is formed in the vertical direction on the vertical plate of the specimen mounting rack 180. The upper claw 184 passes through the guide groove 187 and is connected to the clamping mechanism nut 183, so as to limit the upper claw 184 to move only along the guide groove 187, and enable the clamping mechanism nut 183 to move up and down along the clamping mechanism lead screw 182.

[0066] As a further preference, a plurality of casters 190 are arranged at the bottom of the support plate 110, and the casters 190 have a self-locking function. The system can be easily moved through the casters 190, and can well cooperate with different external collision boxes of the gravel impact test equipment.

[0067] In addition to testing the sample plate and the cut sample, the utility model can also perform the gravel impact test on the assembly parts, and is convenient for adjusting the position and angle of the specimen, and can adapt to all standard gravel impact angles. During the test, there is no need for manual pressing. The finished sample is fixed at the injection port through the auxiliary system for the experiment. When testing other positions, only by rotating the handle can the sample be moved, which can ensure the uniformity of the impact position, and can also perform the impact test according to the real vehicle direction. During the test, the gravel baffle of the auxiliary system can resist the gravel from rushing out of the equipment, avoiding the possibility of personnel injury. In addition, since the utility model is provided with an angle adjustment mechanism and can perform special clamping according to the shape of the assembly parts, the gravel impact test requirements of the assembly parts can be met.

[0068] Although the embodiments of the present utility model have been disclosed as above, it is not limited to the applications listed in the specification and embodiments. It can be fully applied to various fields suitable for the present utility model. For those skilled in the art, additional modifications can be easily made. Therefore, without departing from the general concept defined by the claims and the equivalent scope, the present utility model is not limited to the specific details and the illustrated examples herein.

Claims

1. A gravel impact test assistance system, characterized in that, include: A support plate, which is arranged horizontally; A top frame, which is arranged horizontally and located above the support plate; A plurality of lifting motion guide columns are vertically arranged, and both ends of the lifting motion guide columns are fixedly connected to the support plate and the top frame respectively; A lifting mechanism, the output end of which is connected to the plurality of lifting motion guide columns and is capable of moving along the lifting motion guide columns; A first translation mechanism, which is installed on the output end of the lifting mechanism, and the output end of the first translation mechanism can move horizontally along a first direction; A second translation mechanism, which is installed on the output end of the first translation mechanism, and the output end of the second translation mechanism can move horizontally along a second direction; wherein the second direction is perpendicular to the first direction; a rotating mechanism mounted on an output end of the second translation mechanism; A test piece mounting frame, which is mounted on the output end of the rotating mechanism; A test piece, which is detachably fixedly mounted on the test piece mounting frame; The position of the test piece is aligned with the stone crushing nozzle of the stone crushing impact device; the rotating mechanism can drive the test piece mounting frame to flip to adapt to different stone crushing impact angles.

2. The gravel impact test assistance system according to claim 1, wherein The lifting mechanism comprises: a first lead screw mounted on the top frame; Two first bevel gears, which are respectively fixedly mounted on two ends of the first lead screw; Two second screw rods are vertically arranged and respectively close to two ends of the first screw rod; one end of the second screw rod is rotatably connected to the support plate; Two second bevel gears, which are mounted on the other ends of the two second screw rods in a one-to-one correspondence; Wherein, the second bevel gear is meshed with the first bevel gear in a one-to-one correspondence, and the axis angle between the second bevel gear and the first bevel gear is 90 degrees; Two nuts, which are mounted on the two second lead screws in a one-to-one correspondence; A lifting platform, which is fixedly connected to the two nuts and movably connected to the plurality of lifting motion guide columns; A driving device is connected to the first screw rod and is used to drive the first screw rod to rotate.

3. The gravel impact test assistance system according to claim 2, wherein, The first translation mechanism adopts a linear slide module and is installed on the lifting platform.

4. The gravel impact test assistance system according to claim 3, characterized in that, The second translation mechanism adopts a linear slide module and is installed on the slide of the first translation mechanism.

5. The gravel impact test assistance system according to claim 3 or 4, characterized in that A first counterweight is installed on the support plate.

6. The gravel impact test assistance system according to claim 5, characterized in that, A mounting plate is connected to the slide table of the first translation mechanism, the second translation mechanism is fixedly connected to one end of the mounting plate, and a second counterweight is installed at the other end of the mounting plate; Wherein, the slide table of the second translation mechanism is arranged in a direction away from the second counterweight block.

7. The gravel impact test assistance system according to claim 6, characterized in that The rotating mechanism comprises: A fixed bracket, which is arranged horizontally; one end of the fixed bracket is fixedly connected to the slide table of the second translation mechanism, and the other end of the fixed bracket is provided with an optical axis; A rotating bracket, one end of which is rotatably connected to the optical axis; A rotating platform, which is fixedly connected to the other end of the rotating bracket; A rotating guide plate, which is vertically mounted on one side of the fixed bracket, and a first arc-shaped sliding groove is provided on the rotating guide plate; A locking knob is provided outside the rotary guide plate; a screw rod is connected to the locking knob, and the screw rod passes through the arc-shaped chute and is connected to the rotary bracket; Wherein, the specimen mounting frame is connected to the rotary platform through a rotating shaft, and a second arc-shaped chute is provided on the rotary platform; A sliding knob, one end of which is connected to the specimen mounting frame, and the other end is arranged in the second arc-shaped chute and can slide along the second arc-shaped chute.

8. The gravel impact test assistance system according to claim 7, characterized in that, It further includes: A gravel baffle is fixedly installed on the specimen mounting frame and is arranged at an interval from the specimen; Wherein, the gravel baffle is located outside the specimen, and the size of the gravel baffle is larger than the size of the gravel spray port of the gravel impact device.

9. The gravel impact test assistance system according to claim 8, characterized in that, A plurality of casters with self-locking functions are provided at the bottom of the support plate.

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