CN210037132U - Impact tester for roller skates - Google Patents

Abstract

The utility model relates to a testing machine technical field just discloses roller skate impact testing machine, including the tester casing, the left side fixed mounting of tester casing has the collision steel sheet, the front and the equal fixed mounting in the back of collision steel sheet have the bumper shock absorber, the inside fixed mounting that the tester casing is located collision steel sheet one side has single phase motor, fixedly connected with driving gear on single phase motor's the output shaft, the driving gear is connected with driven gear through chain drive. This roller skate impact tester, through being provided with knob fixing device, can follow both sides will treat experimental roller skate fixed firm, and it is fixed to compare two traditional screw thread iron bars moreover, this roller skate impact tester is provided with hard rubber gasket roller skate and protects, avoided traditional fixed mode can produce mar or wearing and tearing to roller skate, and hard rubber gasket's frictional force ratio is great moreover, can not make the roller skate in the experiment drop or produce the displacement, thereby the test result has been influenced.

Description

Impact tester for roller skates

Technical Field

The utility model relates to a testing machine technical field specifically is roller skate impact tester.

Background

The impact tester is a material tester that applies an impact test force to a sample to perform an impact test.

The main consumer group of roller skate is the student at each stage, will produce certain threat to the student if the quality of roller skate is not too close, so need the quality of roller skate to test, consequently will use roller skate impact testing machine, the roller skate carries out impact testing, current impact testing machine is not convenient enough when the roller skate is fixed, it adjusts to need both sides, if adjust the asymmetry, probably lead to the not hard up of roller skate, thereby exert an influence to experimental data, current impact testing machine does not set up buffer in addition, produce the damage to the impact member easily, cause the deformation damage of impact member.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a roller skate impact tester possesses the gear and presss from both sides the advantage of pressing from both sides tight more stable, bradyseism protection impact member, has solved traditional roller skate impact tester both ends and has fixed inconvenient to may lead to the roller skate fixed department not hard up, and then lead to the unsafe problem of experimental data.

The utility model provides a following technical scheme: roller skate impact tester, including the tester casing, the left side fixed mounting of tester casing has the collision steel sheet, the equal fixed mounting in front and the back of collision steel sheet has the bumper shock absorber, the inside fixed mounting that the tester casing is located collision steel sheet one side has single phase motor, fixedly connected with driving gear on the output shaft of single phase motor, the driving gear is connected with driven gear through chain drive, driven gear's outer edge fixedly connected with moving part, the top fixedly connected with sliding seat of moving part, the bottom swing joint of sliding seat has the motion axle that is located the tester casing top, the top fixedly connected with of sliding seat strikes the piece, strike the piece through the main shaft fixedly connected with dead lever at striking piece inner wall top, the top swing joint of striking piece has fixed knob, the inside wall movable mounting of striking piece has knob fixing device, an origin point induction probe is fixedly arranged right below the impact piece, a speed measuring probe is fixedly connected to the right side of the single-phase motor,

preferably, knob fixing device includes the gear wheel, the left side meshing of gear wheel has first driven gear, first driven gear is connected with first runner through the rotation axis transmission, the front meshing of first runner has first latch pole, the left side wall that runs through the impact member of first latch pole, the right side fixed mounting of first latch pole has first ebonite gasket, the right side meshing of gear wheel has intermediary wheel, the right side meshing of intermediary wheel has second driven gear, second driven gear is connected with the second runner through the rotation axis transmission, the front meshing of second runner has second latch pole, the right side wall that the impact member was run through to the second latch pole, the left side fixed mounting of second latch pole has second ebonite gasket.

Preferably, the front face of the shock absorber on the fixing device is provided with threads and an adjusting screw.

Preferably, the number of speed measuring probe is two, two the speed measuring probe all is located the inside of testing machine casing and at a certain distance away.

Preferably, the impact piece is a steel block, and a circular through hole is formed in the side wall of the impact piece.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this roller skate impact tester, through being provided with knob fixing device, can follow both sides will treat experimental roller skate fixed firm, and it is fixed to compare two traditional screw thread iron bars moreover, this roller skate impact tester is provided with hard rubber gasket roller skate and protects, avoided traditional fixed mode can produce mar or wearing and tearing to roller skate, and hard rubber gasket's frictional force ratio is great moreover, can not make the roller skate in the experiment drop or produce the displacement, thereby the test result has been influenced.

2. This roller skate impact tester through being provided with the bumper shock absorber, can cushion impact piece after impacting a quick motion to avoided impacting the condition that can lead to warping, and then improved the life-span of impacting the piece, makeed this roller skate impact tester's life-span longer.

Drawings

FIG. 1 is a perspective view of the present invention;

fig. 2 is an enlarged view of the structure a of the present invention.

Fig. 3 is a schematic structural view of the knob fixing device of the present invention.

In the figure: 1. a tester housing; 2. a collision steel plate; 3. a shock absorber; 4. a single-phase motor; 5. a driving gear; 6. a driven gear; 7. a movable member; 8. a slide base; 9. an impact member; 10. fixing the rod; 11. fixing the knob; 12. a knob fixing device; 1201. a bull gear; 1202. a first driven gear; 1203. a first hard rubber gasket; 1204. a first runner; 1205. a first latch lever; 1206. a medium wheel; 1207. a second driven gear; 1208. a second hard rubber gasket; 1209. a second runner; 1210. a second latch lever; 13. a motion shaft; 14. an origin induction probe; 15. a speed measuring probe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the roller skate impact tester comprises a tester housing 1, a collision steel plate 2 is fixedly mounted on the left side of the tester housing 1, dampers 3 are fixedly mounted on the front and back sides of the collision steel plate 2, the dampers 3 are provided with threads and adjusting screws on the front side of a fixing device, the length of the dampers 3 can be adjusted through the threads and the adjusting screws, and the impact member 9 can be damped according to actual requirements, so that the impact member 9 is effectively protected, the service life of the impact member 9 is prolonged, the whole machine is more reasonable, a single-phase motor 4 is fixedly mounted inside the tester housing 1 on one side of the collision steel plate 2, a driving gear 5 is fixedly connected to an output shaft of the single-phase motor 4, the driving gear 5 is connected with a driven gear 6 through chain transmission, and a moving member 7 is fixedly connected to the outer edge of the driven gear, the top end of the movable part 7 is fixedly connected with a sliding seat 8, the bottom of the sliding seat 8 is movably connected with a moving shaft 13 positioned at the top of the testing machine shell 1, the top of the sliding seat 8 is fixedly connected with an impact part 9, the impact part 9 is a steel block, the side wall of the impact part 9 is provided with a circular through hole, the steel block is harder in texture, the integral shape can be kept from deforming after numerous impacts, the impact part 9 is fixedly connected with a fixed rod 10 through a main shaft at the top of the inner wall of the impact part 9, the top of the impact part 9 is movably connected with a fixed knob 11, a knob fixing device 12 is movably installed on the inner side wall of the impact part 9, the knob fixing device 12 comprises a large gear 1201, the left side of the large gear 1201 is engaged with a first driven gear 1202, the first driven gear 1202 is connected with a first rotating wheel 1204 through a rotating shaft transmission, the front side of the first rotating wheel 1204 is engaged with a first, a first hard rubber gasket 1203 is fixedly installed on the right side of the first latch rod 1205, a medium wheel 1206 is meshed on the right side of the large gear 1201, a second driven gear 1207 is meshed on the right side of the medium wheel 1206, the second driven gear 1207 is connected with a second rotating wheel 1209 through a rotating shaft in a transmission mode, a second latch rod 1210 is meshed on the front side of the second rotating wheel 1209, the second latch rod 1210 penetrates through the right side wall of the impact piece 9, a second hard rubber gasket 1208 is fixedly installed on the left side of the second latch rod 1210, the transmission structure of the gear meshing is used as a fixing mode, so that the two sides are fixed more firmly, the condition that the roller skate is loosened due to uneven stress on the two sides is avoided, the test result is inaccurate, an origin induction probe 14 is fixedly installed right below the impact piece 9, two speed measurement probes 15 are fixedly connected on the right side of the single-phase motor 4, the number of the two speed measurement probes 15 is two, the two speed measurement probes 15 are both positioned inside the casing 1 of, the running speed of the impact piece 9 can be monitored in real time through the speed measuring probe 15, so that the test result is more authoritative.

Theory of operation, at first fix the pulley shoes on the dead lever 10 of impact 9, then adjust knob fixing device 12 is fixed the pulley shoes through the fixed knob 11 at top, when fixed, rotatory knob fixing device 12, make the first latch bar 1205 and the inside gathering of second latch bar 1210 on impact 9 both sides, thereby press from both sides tight pulley shoes and fix, after fixed, the switch on, single phase motor 4 begins to operate, thereby it bumps to collision steel sheet 2 to drive impact 9, after the collision is accomplished the power can to close.

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

Claims (5)

1. Roller skate impact tester, including tester casing (1), its characterized in that: the testing machine is characterized in that a collision steel plate (2) is fixedly mounted on the left side of the testing machine shell (1), a shock absorber (3) is fixedly mounted on the front face and the back face of the collision steel plate (2), a single-phase motor (4) is fixedly mounted inside the testing machine shell (1) on one side of the collision steel plate (2), a driving gear (5) is fixedly connected onto an output shaft of the single-phase motor (4), the driving gear (5) is connected with a driven gear (6) through chain transmission, a moving part (7) is fixedly connected onto the outer edge of the driven gear (6), a sliding seat (8) is fixedly connected onto the top end of the moving part (7), a moving shaft (13) is movably connected onto the top of the testing machine shell (1) through a bottom movable connection of the sliding seat (8), an impact piece (9) is fixedly connected onto the top of the sliding seat (8), and a fixing rod (, the top swing joint that strikes piece (9) has fixed knob (11), the inside wall movable mounting that strikes piece (9) has knob fixing device (12), strike under piece (9) fixed mounting have initial point inductive probe (14), the right side fixedly connected with speed probe (15) of single phase motor (4).

2. The roller skate impact tester of claim 1, characterized by: the knob fixing device (12) comprises a large gear (1201), a first driven gear (1202) is meshed on the left side of the large gear (1201), the first driven gear (1202) is connected with a first rotating wheel (1204) through a rotating shaft in a transmission manner, a first clamping tooth rod (1205) is meshed on the front side of the first rotating wheel (1204), the left side wall of the impact piece (9) is penetrated through by the first clamping tooth rod (1205), a first hard rubber gasket (1203) is fixedly installed on the right side of the first clamping tooth rod (1205), a medium wheel (1206) is meshed on the right side of the large gear (1201), a second driven gear (1207) is meshed on the right side of the medium wheel (1206), the second rotating wheel (1209) is connected with a second rotating wheel (1209) through a rotating shaft in a transmission manner, a second clamping tooth rod (1210) is meshed on the front side of the second rotating wheel (1209), and the second clamping tooth rod (1210) penetrates through the right side wall of the impact piece (9), and a second hard rubber gasket (1208) is fixedly arranged on the left side of the second latch rod (1210).

3. The roller skate impact tester of claim 1, characterized by: the front face of the shock absorber (3) positioned on the fixing device is provided with threads and adjusting screws.

4. The roller skate impact tester of claim 1, characterized by: the quantity of speed probe (15) is two, two speed probe (15) all are located the inside of testing machine casing (1) and apart from certain distance.

5. The roller skate impact tester of claim 1, characterized by: the impact piece (9) is a steel block, and a circular through hole is formed in the side wall of the impact piece (9).

Images