CN211262683U

CN211262683U - Escalator step chain roller fatigue life testing device

Info

Publication number: CN211262683U
Application number: CN201922451114.9U
Authority: CN
Inventors: 王玉珍
Original assignee: Wujiang Sunshine Plastic Products Co ltd
Current assignee: Wujiang Sunshine Plastic Products Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-08-14
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses an automatic staircase step chain gyro wheel fatigue life test device, including testing machine body, friction pulley, staircase gyro wheel, mount, smooth chamber, motor, cylinder, connecting plate, mounting groove, connecting axle, fly leaf, draw-in groove, guide way, reset spring, guide block, guide post, through-hole, slide, screw hole, slider, spout, screw thread post, bearing, thread groove, otic placode and bolt. The movable plate is slid to enable the return spring to be in a compressed state, the escalator roller is sleeved on the surface of the connecting shaft, the movable plate is loosened, the movable plate can be restored to the original position under the action of the return spring, the clamping groove is clamped on the surface of the right end of the connecting shaft, and the escalator roller is limited; the threaded column is driven to rotate through the work of the motor, so that the connecting plate is driven to move in the vertical direction, the position between the escalator roller and the friction wheel is adjusted, and the device is suitable for tests of escalator rollers with different specifications.

Description

Escalator step chain roller fatigue life testing device

Technical Field

The utility model relates to a step chain gyro wheel fatigue life test device specifically is an automatic staircase step chain gyro wheel fatigue life test device, belongs to automatic staircase application technology field.

Background

The roller testing machine is generally that a test wheel is firstly arranged on a loading sliding frame, an air pressure valve is adjusted, an air cylinder advances to enable a roller to be in surface contact with a rotary drum, a load sensor for measuring load is arranged at the tail of the loading sliding frame, the other end of the load sensor is connected with a piston rod of the air cylinder, the air pressure valve is adjusted to finish the test loading of the roller, the rotary drum is started according to the speed required by the test, and the test is started; the extension amount of the piston rod is precisely measured by a displacement sensor, the roller rotates for a circle, and the variation amount of the displacement sensor is the radial bounce amount of the roller.

In prior art, automatic staircase step chain gyro wheel need carry out the fatigue life test to it after production, and current test equipment's structure is all comparatively complicated, and is comparatively troublesome when fixed staircase gyro wheel, can reduce test efficiency, and the specification of staircase gyro wheel is more, and present test equipment need adjust repeatedly when experimental unidimensional staircase gyro wheel, and the commonality is not enough. Therefore, the device for testing the fatigue life of the escalator step chain roller is provided aiming at the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an automatic staircase step chain gyro wheel fatigue life test device just for solving above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose, an automatic staircase step chain gyro wheel fatigue life test device, motor drive structure, testing machine body, friction pulley, mounting groove, gyro wheel fixed knot construct, cylinder and bearing including from the top down install gradually.

The motor driving structure comprises a sliding cavity, a motor, a connecting plate, a sliding plate and a sliding chute, wherein the sliding plate is clamped inside the sliding cavity, a sliding block is clamped inside the sliding chute, the sliding plate is fixedly connected to one end face of the connecting plate, and the sliding block is fixedly connected to the other end face of the connecting plate; the motor is fixedly connected to the top end of the testing machine body, a threaded column is fixedly connected to the tail end of an output shaft of the motor, and two ends of the threaded column are respectively and rotatably connected with the top end and the bottom end of the sliding cavity through the bearings; the upper surface of the sliding plate is provided with a threaded hole, and the threaded column is in threaded connection with the threaded hole;

the roller fixing structure comprises an escalator roller, a fixing frame, a connecting shaft and a movable plate, wherein a guide block is fixedly connected to the end face of one end of the fixing frame, a guide groove is formed in the side face of the movable plate, the guide block is clamped in the guide groove, a guide post is fixedly connected to the inside of the guide groove, a through hole is formed in the side face of the guide block, the guide post penetrates through the through hole, and a reset spring is sleeved on the surface of the guide post; the right end of the connecting shaft is fixedly connected to the inner side wall of the fixing frame, the escalator roller is sleeved on the surface of the connecting shaft, a clamping groove is formed in the end face of the top end of the movable plate, and the left end of the connecting shaft is clamped inside the clamping groove.

Preferably, the mounting groove is formed in the upper surface of the testing machine body, and the friction wheel is rotatably connected with the inner wall of the mounting groove.

Preferably, the sliding cavity is formed in one side face of the mounting groove, and the sliding groove is formed in the other side face of the mounting groove.

Preferably, the cylinder is fixedly connected to the upper surface of the connecting plate, and the tail end of the output rod of the cylinder is fixedly connected to the end face of the bottom end of the fixing frame.

Preferably, the fixed frame is of an L-shaped structure, and the movable plate is slidably connected with the fixed frame.

Preferably, the sliding plate is of a U-shaped structure, and the end faces of the two ends of the sliding plate are fixedly connected with the end face of one end of the connecting plate.

Preferably, the bottom of mount is fixed with the otic placode, the screw thread groove has been opened to the side of fly leaf, and the bolt end runs through the otic placode and with the screw thread groove spiral shell closes.

The utility model has the advantages that:

1. the movable plate is connected with the fixed frame in a sliding manner, the movable plate is firstly slid to enable the reset spring to be in a compressed state, then the escalator roller is sleeved on the surface of the connecting shaft, the movable plate is loosened at the moment, the movable plate can restore to the original position under the action of the reset spring, the clamping groove at the top end of the movable plate is clamped on the surface of the right end of the connecting shaft, and the escalator roller is limited, so that the escalator roller is relatively simple to install and disassemble;

2. the utility model discloses accessible motor work drives the screw thread post and rotates, because screw thread post and the surperficial screw hole threaded connection of slide to drive the connecting plate and move in the vertical direction, adjust the position between staircase gyro wheel and the friction pulley with this, make this device be applicable to the experiment to different specification staircase gyro wheels, strengthened the commonality.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the roller fixing structure of the present invention;

FIG. 3 is a connection diagram of the connection plate and the mounting groove of the present invention;

fig. 4 is a schematic view of the motor driving structure of the present invention.

In the figure: 1. the testing machine comprises a testing machine body, 2, a friction wheel, 3, an escalator roller, 4, a fixing frame, 5, a sliding cavity, 6, a motor, 7, a cylinder, 8, a connecting plate, 9, a mounting groove, 10, a connecting shaft, 11, a movable plate, 111, a clamping groove, 12, a guide groove, 13, a reset spring, 14, a guide block, 15, a guide column, 16, a through hole, 17, a sliding plate, 18, a threaded hole, 19, a sliding block, 20, a sliding groove, 21, a threaded column, 22 and a bearing.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-4, the device for testing the fatigue life of the escalator step chain roller comprises a motor driving structure, a testing machine body 1, a friction wheel 2, a mounting groove 9, a roller fixing structure, a cylinder 7 and a bearing 22 which are sequentially arranged from top to bottom.

The motor driving structure comprises a sliding cavity 5, a motor 6, a connecting plate 8, a sliding plate 17 and a sliding groove 20, wherein the sliding plate 17 is clamped inside the sliding cavity 5, a sliding block 19 is clamped inside the sliding groove 20, the sliding plate 17 is fixedly connected to one end face of the connecting plate 8, and the sliding block 19 is fixedly connected to the other end face of the connecting plate 8; the motor 6 is fixedly connected to the top end of the testing machine body 1, a threaded column 21 is fixedly connected to the tail end of an output shaft of the motor 6, and two ends of the threaded column 21 are respectively rotatably connected with the top end and the bottom end of the sliding cavity 5 through the bearings 22; a threaded hole 18 is formed in the upper surface of the sliding plate 17, and the threaded column 21 is in threaded connection with the threaded hole 18;

the roller fixing structure comprises an escalator roller 3, a fixed frame 4, a connecting shaft 10 and a movable plate 11, wherein a guide block 14 is fixedly connected to one end face of the fixed frame 4, a guide groove 12 is formed in the side face of the movable plate 11, the guide block 14 is clamped in the guide groove 12, a guide post 15 is fixedly connected to the inside of the guide groove 12, a through hole 16 is formed in the side face of the guide block 14, the guide post 15 penetrates through the through hole 16, and a reset spring 13 is sleeved on the surface of the guide post 15; the right end of the connecting shaft 10 is fixedly connected to the inner side wall of the fixed frame 4, the escalator roller 3 is sleeved on the surface of the connecting shaft 10, the top end face of the movable plate 11 is provided with a clamping groove 111, and the left end of the connecting shaft 10 is clamped inside the clamping groove 111.

The mounting groove 9 is formed in the upper surface of the testing machine body 1, and the friction wheel 2 is rotatably connected with the inner wall of the mounting groove 9, so that friction between the friction wheel 2 and the escalator roller 3 is facilitated; the sliding cavity 5 is formed in one side face of the mounting groove 9, and the sliding groove 20 is formed in the other side face of the mounting groove 9, so that the connecting plate 8 is conveniently connected with the testing machine body 1 in a sliding mode; the air cylinder 7 is fixedly connected to the upper surface of the connecting plate 8, the tail end of an output rod of the air cylinder 7 is fixedly connected with the end surface of the bottom end of the fixing frame 4, and the air cylinder 7 can drive the escalator roller 3 to be positioned in the horizontal direction; the fixed frame 4 is of an L-shaped structure, and the movable plate 11 is connected with the fixed frame 4 in a sliding manner, so that the escalator roller 3 can be conveniently mounted and dismounted; the sliding plate 17 is of a U-shaped structure, and the end surfaces of the two ends of the sliding plate 17 are fixedly connected with the end surface of one end of the connecting plate 8, so that the connecting plate 8 is driven by the motor 6 to move in the vertical direction; the bottom rigid coupling of mount 4 has otic placode 24, threaded groove 23 is opened to the side of fly leaf 11, and the terminal run through of bolt 25 otic placode 24 and with threaded groove 23 spiral shell closes, is convenient for with mount 4 with fly leaf 11 fixes.

When the utility model is used, the electric components appearing in the application are externally connected with a communication power supply and a control switch when in use, firstly, the movable plate 11 is slid to ensure that the reset spring 13 is in a compressed state, then, the escalator roller 3 is sleeved on the surface of the connecting shaft 10, at the moment, the movable plate 11 is loosened, the movable plate 11 can be restored to the original position under the action of the reset spring 13, so that the clamping groove 111 at the top end of the movable plate 11 is clamped on the surface of the right end of the connecting shaft 10 to limit the escalator roller 3, the fixing frame 4 and the movable plate 11 are fixed by using the bolt 25, and the escalator roller 3 is simple to install and disassemble;

then the fixed frame 4 can be driven to move through the work of the air cylinder 7, so that the positions of the escalator roller 3 and the friction wheel 2 in the horizontal direction are adjusted; the motor 6 works to drive the threaded column 21 to rotate, and the threaded column 21 is in threaded connection with the threaded hole 18 in the surface of the sliding plate 17, so that the connecting plate 8 is driven to move along the sliding groove 20 in the vertical direction, the positions of the escalator roller 3 and the friction wheel 2 in the vertical direction are adjusted, and the device is suitable for tests of escalator rollers 3 of different specifications.

The motor 6 adopts 4RK25GN-C model provided by one-stop industrial control electric system of hundred million star science and technology and related matched power supply and circuit.

It is well within the skill of those in the art to implement, without undue experimentation, the present invention does not relate to software and process improvements, as related to circuits and electronic components and modules.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides an automatic staircase step chain gyro wheel fatigue life test device which characterized in that: the device comprises a motor driving structure, a testing machine body (1), a friction wheel (2), a mounting groove (9), a roller fixing structure, a cylinder (7) and a bearing (22) which are sequentially mounted from top to bottom;

the motor driving structure comprises a sliding cavity (5), a motor (6), a connecting plate (8), a sliding plate (17) and a sliding groove (20), wherein the sliding plate (17) is clamped inside the sliding cavity (5), a sliding block (19) is clamped inside the sliding groove (20), the sliding plate (17) is fixedly connected to one end face of the connecting plate (8), and the sliding block (19) is fixedly connected to the other end face of the connecting plate (8); the motor (6) is fixedly connected to the top end of the testing machine body (1), the tail end of an output shaft of the motor (6) is fixedly connected with a threaded column (21), and two ends of the threaded column (21) are respectively and rotatably connected with the top end and the bottom end of the sliding cavity (5) through the bearings (22); a threaded hole (18) is formed in the upper surface of the sliding plate (17), and the threaded column (21) is in threaded connection with the threaded hole (18);

the roller fixing structure comprises an escalator roller (3), a fixing frame (4), a connecting shaft (10) and a movable plate (11), wherein a guide block (14) is fixedly connected to one end face of the fixing frame (4), a guide groove (12) is formed in the side face of the movable plate (11), the guide block (14) is clamped in the guide groove (12), a guide post (15) is fixedly connected to the inside of the guide groove (12), a through hole (16) is formed in the side face of the guide block (14), the guide post (15) penetrates through the through hole (16), and a reset spring (13) is sleeved on the surface of the guide post (15); the escalator is characterized in that the right end of the connecting shaft (10) is fixedly connected to the inner side wall of the fixing frame (4), the escalator idler wheels (3) are sleeved on the surface of the connecting shaft (10), the top end face of the movable plate (11) is provided with a clamping groove (111), and the left end of the connecting shaft (10) is clamped inside the clamping groove (111).

2. The escalator step chain roller fatigue life testing device of claim 1, characterized in that: the mounting groove (9) is formed in the upper surface of the testing machine body (1), and the friction wheel (2) is connected with the inner wall of the mounting groove (9) in a rotating mode.

3. The escalator step chain roller fatigue life testing device of claim 1, characterized in that: the sliding cavity (5) is formed in one side face of the mounting groove (9), and the sliding groove (20) is formed in the other side face of the mounting groove (9).

4. The escalator step chain roller fatigue life testing device of claim 1, characterized in that: the air cylinder (7) is fixedly connected to the upper surface of the connecting plate (8), and the tail end of an output rod of the air cylinder (7) is fixedly connected with the end face of the bottom end of the fixing frame (4).

5. The escalator step chain roller fatigue life testing device of claim 1, characterized in that: the fixing frame (4) is of an L-shaped structure, and the movable plate (11) is connected with the fixing frame (4) in a sliding mode.

6. The escalator step chain roller fatigue life testing device of claim 1, characterized in that: the sliding plate (17) is of a U-shaped structure, and the end faces of the two ends of the sliding plate (17) are fixedly connected with the end face of one end of the connecting plate (8).

7. The escalator step chain roller fatigue life testing device of claim 1, characterized in that: the bottom rigid coupling of mount (4) has otic placode (24), threaded groove (23) have been opened to the side of fly leaf (11), and bolt (25) end run through otic placode (24) and with threaded groove (23) spiral shell closes.