CN210719067U

CN210719067U - Guide rail flatness detection device

Info

Publication number: CN210719067U
Application number: CN201921776127.7U
Authority: CN
Inventors: 李向刚; 杨阳; 蔡冰冰; 高建国
Original assignee: Huzhou Ouliya Mechanical And Electrical Technology Co Ltd
Current assignee: Huzhou Ouliya Mechanical And Electrical Technology Co Ltd
Priority date: 2019-10-22
Filing date: 2019-10-22
Publication date: 2020-06-09
Anticipated expiration: 2029-10-22

Abstract

The utility model discloses a guide rail roughness detection device belongs to elevator guide rail production facility technical field. A guide rail flatness detection device comprises a workbench and a cushion plate, wherein the top of the workbench is provided with a mounting groove, the cushion plate is fixedly arranged on the inner wall of the mounting groove and used for bearing the gravity of a guide rail, the surface of the cushion plate is smooth and elastic, the inner wall of one side of the mounting groove is connected with a laser emitter in a sliding mode, and the inner wall of the other side of the mounting groove is connected with a laser receiving target matched with the laser emitter in a sliding mode; the top end side of the workbench is fixedly provided with a fixed cylinder which is symmetrically distributed along the installation groove, the inside of the fixed cylinder is rotatably connected with an L-shaped support plate, the bottom of the fixed cylinder is rotatably connected with a turntable, an expansion spring is fixedly arranged between the outer wall of the bottom end of the L-shaped support plate and the turntable, and the inner side of the L-shaped support plate is slidably connected with a support rod; the utility model discloses can realize detecting the roughness of the bottom surface of guide rail and top surface, and can realize carrying out stable support to the guide rail in the testing process.

Description

Guide rail flatness detection device

Technical Field

The utility model relates to an elevator guide rail production facility technical field especially relates to a guide rail roughness detection device.

Background

The elevator guide rail is a safe rail for the elevator to run up and down in a hoistway, the guide rail is installed on the wall of the hoistway and fixedly connected to the wall of the hoistway by a guide rail frame and a guide rail bracket, the guide rail commonly used for the elevator is a T-shaped guide rail, and the elevator guide rail has the characteristics of strong rigidity, high reliability, safety, low price and the like. In terms of the definition of the guide rail, the guide rail is an important reference guide part of equipment such as a vertical elevator, an automatic elevator, a step of a moving pavement and the like, and controls the running track of the equipment, so that the plane of the guide rail is required to be smooth and has no obvious uneven surface.

Any error in the surface of the guide rail, in view of the guiding effect of the guide rail, can in turn lead to oscillations or vibrations in the running elevator, so that the guide rail needs to be checked for its surface flatness after production has ended. Through retrieval, patent application No. 201410167819.7, granted publication No. CN103940382B, entitled elevator guide rail flatness detection system and detection method thereof disclose a method for detecting the flatness of the surface of a guide rail by emitting a signal to a laser receiving target through a laser emitter, sensing the light intensity passing through a contact position by the laser receiving target, outputting the signal to a display screen, and detecting the change of the received light intensity.

For the T-shaped guide rail, because the upper end surface and the lower end surface exist, only a single end surface is detected, and the high flatness of the guide rail is difficult to ensure. Therefore, it is necessary to design a device capable of effectively detecting the upper and lower end surfaces of the T-shaped guide rail

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem mentioned in the above-mentioned background art, and the guide rail roughness detection device who proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a guide rail flatness detection device comprises a workbench and a cushion plate, wherein the top of the workbench is provided with a mounting groove, the cushion plate is fixedly arranged on the inner wall of the mounting groove and used for bearing the gravity of a guide rail, the surface of the cushion plate is smooth and elastic, the inner wall of one side of the mounting groove is connected with a laser emitter in a sliding mode, and the inner wall of the other side of the mounting groove is connected with a laser receiving target matched with the laser emitter in a sliding mode;

the side of the top end of the workbench is fixedly provided with a fixed cylinder which is symmetrically distributed along the installation groove, the inside of the fixed cylinder is rotatably connected with an L-shaped support plate, the bottom of the fixed cylinder is rotatably connected with a rotary table, an expansion spring is fixedly arranged between the outer wall of the bottom end of the L-shaped support plate and the rotary table, the inner side of the L-shaped support plate is slidably connected with a support rod, and one end of the support rod, which is far away from the L-shaped support plate, is fixedly provided with;

the top end of the L-shaped support plate is in threaded connection with a lead screw, the lead screw is in threaded connection with a lead screw nut, and the lead screw nut is embedded in the support rod;

two limiting blocks are arranged at the top of the fixed cylinder along the length direction of the guide rail, a gap is reserved between the two limiting blocks, and a clamping block which can be clamped between the limiting blocks is fixedly arranged at the bottom of the L-shaped support plate.

Preferably, the inner wall of mounting groove sets firmly the linear electric motor guide rail of symmetry, sliding connection has linear electric motor in the linear electric motor guide rail, laser emitter and laser receiving target ware fixed mounting are on linear electric motor's installation panel.

Preferably, the turntable is rotatably connected to the bottom of the fixed cylinder through a bearing, a telescopic column is fixedly arranged at the bottom end of the L-shaped support plate, the telescopic column can penetrate through the turntable and can telescopically move along the inner side of the fixed cylinder, and the telescopic spring is sleeved on the outer wall of the telescopic column.

Preferably, two symmetrical mounting plates are fixedly arranged on the inner side of the L-shaped support plate, a sliding rod is fixedly arranged between the mounting plates, and the support rod is arranged on the sliding rod in a sliding mode through a sliding sleeve.

Preferably, a knob is fixedly arranged at the top end of the lead screw.

Preferably, a driving motor is fixedly arranged at the top end of the lead screw.

Preferably, the fixture block is fixedly connected with the L-shaped support plate through a connecting column, and the fixture block can be clamped in a gap between the limiting blocks.

Preferably, the outer wall of the workbench is also provided with an LED illuminating lamp.

Preferably, the top of the supporting block is provided with a convex block protruding upwards, and the side wall of the supporting block close to the guide rail is provided with an inclined end face.

Compared with the prior art, the utility model provides a guide rail roughness detection device possesses following beneficial effect:

1. when the guide rail flatness detection device is used, when the flatness of the bottom surface of a guide rail needs to be detected, the L-shaped support plate is lifted upwards and rotated, the clamping block is clamped between the two limiting blocks, the horizontal part of the L-shaped support plate is distributed perpendicular to the length direction of the workbench at the moment, the guide rail to be detected is placed on the supporting block, the end side of the guide rail is supported by the lug on the supporting block, the lead screw drives the lead screw nut to move along the lead screw when rotating through rotating the lead screw, the supporting rod and the supporting block are further driven to move, the guide rail is driven to be in contact with the base plate and is placed on the base plate during moving of the supporting block, the surface of the base plate is clean and elastic, the guide rail can be conveniently supported, and the uneven part of the surface of the guide rail can; after the guide rail is placed, laser emitted by a laser emitter is emitted to a contact position of the guide rail and the base plate, and a laser receiving target senses the light intensity of the laser passing through the contact position and displays an output signal of the laser receiving target through an external display screen; when the roughness of guide rail top surface is examined to needs, through rotatory lead screw so that the supporting shoe breaks away from the contact with the guide rail, upwards mention L type extension board simultaneously so that the fixture block breaks away from the block with the stopper, and rotate L type extension board, rotatory to the guide rail outside with the supporting shoe, manual upset guide rail this moment, place the guide rail top surface on the backing plate, and rotatory to its inclined end face with the laminating of guide rail outer wall with the supporting shoe, in order to realize spacing to the guide rail, utilize laser emitter to detect the roughness of guide rail top surface then.

2. The guide rail flatness detection device utilizes the movement of the linear motor in the linear motor guide rail to drive the laser emitter and the laser receiving target to move, so that the flatness of the guide rail is detected along the length direction of the guide rail.

3. This guide rail roughness detection device when needs rotate L type extension board, upwards mentions L type extension board and rotates L type extension board, and L type extension board passes through expanding spring and drives the carousel rotation this moment, and expanding spring's existence is favorable to pulling the stable block of L type extension board at the top of solid fixed cylinder, and flexible post runs through the carousel and is favorable to prescribing a limit to flexible post in the carousel.

4. This guide rail roughness detection device, the bracing piece passes through the sliding sleeve and slides and set up on the slide bar, and the existence of slide bar is favorable to restricting the bracing piece at the slide bar outer wall to under screw nut's drive, realize that the bracing piece slides from top to bottom along the slide bar outer wall.

5. According to the guide rail flatness detection device, the clamping block can be clamped in a gap between the two limiting blocks, so that the position of the L-shaped support plate is fixed.

6. This guide rail roughness detection device still is equipped with the LED light through the outer wall at the workstation, and the existence of LED light is favorable to providing illuminating effect to the testing process.

7. According to the guide rail flatness detection device, the upwards-protruding bump is arranged at the top of the supporting block, the side wall of the supporting block, which is close to the guide rail, is provided with the inclined end face, and when the flatness of the bottom surface of the guide rail needs to be detected, the bump is used for supporting the side wall of the top of the guide rail; when the flatness of the top surface of the guide rail needs to be detected, the side walls on the two sides of the guide rail are limited by utilizing the inclined end surfaces.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can realize detecting the roughness of the bottom surface of guide rail and top surface, and can realize carrying out stable support to the guide rail in the testing process.

Drawings

Fig. 1 is a schematic structural view of a bottom surface of a guide rail detected by a guide rail flatness detecting device provided by the present invention;

fig. 2 is a schematic structural view of a detection device for detecting the flatness of a guide rail according to the present invention;

fig. 3 is a schematic structural view of a workbench of the rail flatness detecting device provided by the present invention;

fig. 4 is a schematic structural diagram of a linear motor guide rail, a linear motor and a laser emitter of the guide rail flatness detection device provided by the present invention;

fig. 5 is a schematic structural view of a linear motor guide rail, a linear motor and a laser receiving target of the guide rail flatness detection device provided by the utility model;

fig. 6 is a schematic structural view of a device for detecting the flatness of a guide rail according to the present invention when detecting the top surface of the guide rail;

fig. 7 is a schematic structural view of a device for detecting the flatness of a guide rail according to the present invention when detecting the bottom surface of the guide rail;

fig. 8 is a second schematic structural view of the guide rail flatness detecting apparatus according to the present invention when detecting the top surface of the guide rail;

fig. 9 is a second schematic structural view of the guide rail flatness detecting apparatus according to the present invention when detecting the bottom surface of the guide rail;

fig. 10 is a schematic structural view of the connection between the fixing cylinder and the L-shaped support plate of the device for detecting the flatness of the guide rail of the present invention;

fig. 11 is a second schematic structural view of the connection between the fixing cylinder and the L-shaped support plate of the device for detecting the flatness of the guide rail of the present invention;

fig. 12 is a schematic structural diagram of the connection of the fixing cylinder, the L-shaped supporting plate, the supporting rod and the supporting block of the device for detecting the flatness of the guide rail of the present invention.

In the figure: 1. mounting grooves; 2. a work table; 3. a guide rail; 4. a base plate; 5. a laser transmitter; 6. a laser receiving target; 7. a fixed cylinder; 8. an L-shaped support plate; 9. a support bar; 10. a support block; 11. a lead screw; 12. a lead screw nut; 13. a limiting block; 14. a clamping block; 15. a linear motor guide rail; 16. a linear motor; 17. a turntable; 18. a telescopic column; 19. a tension spring; 20. mounting a plate; 21. a slide bar; 22. a sliding sleeve; 23. a knob; 24. connecting columns; 25. an LED lighting lamp; 26. and (4) a bump.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships 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 being 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.

Example 1:

referring to fig. 1-12, a guide rail flatness detecting device comprises a workbench 2 with a mounting groove 1 at the top, and a backing plate 4 fixedly arranged on the inner wall of the mounting groove 1 and used for bearing the gravity of a guide rail 3, wherein the surface of the backing plate 4 is smooth and elastic, a laser emitter 5 is connected to the inner wall of one side of the mounting groove 1 in a sliding manner, and a laser receiving target 6 matched with the laser emitter 5 is connected to the inner wall of the other side of the mounting groove 1 in a sliding manner;

the top end side of the workbench 2 is fixedly provided with a fixed cylinder 7 which is symmetrically distributed along the mounting groove 1, the inside of the fixed cylinder 7 is rotatably connected with an L-shaped support plate 8, the bottom of the fixed cylinder 7 is rotatably connected with a rotary table 17, an expansion spring 19 is fixedly arranged between the outer wall of the bottom end of the L-shaped support plate 8 and the rotary table 17, the inner side of the L-shaped support plate 8 is slidably connected with a support rod 9, and one end of the support rod 9, far away from the L-shaped support plate 8, is fixedly provided with;

the top end of the L-shaped support plate 8 is in threaded connection with a lead screw 11, the lead screw 11 is in threaded connection with a lead screw nut 12, and the lead screw nut 12 is embedded in the support rod 9;

two limiting blocks 13 are arranged at the top of the fixed cylinder 7 along the length direction of the guide rail 3, a gap is reserved between the two limiting blocks 13, and a clamping block 14 which can be clamped between the limiting blocks 13 is fixedly arranged at the bottom of the L-shaped support plate 8.

The inner wall of mounting groove 1 sets firmly the linear electric motor guide rail 15 of symmetry, and sliding connection has linear electric motor 16 in linear electric motor guide rail 15, and laser emitter 5 and laser receiving target ware 6 fixed mounting utilize the removal of linear electric motor 16 in linear electric motor guide rail 15 on linear electric motor 16's the installation panel, drive laser emitter 5 and laser receiving target ware 6's removal to detect its roughness along 3 length direction of guide rail.

Carousel 17 specifically rotates the bottom of connecting at solid fixed cylinder 7 through the bearing, L type extension board 8 bottom sets firmly flexible post 18, flexible post 18 can run through carousel 17 and along the inboard flexible removal of solid fixed cylinder 7, the 19 covers of expanding spring establishes at flexible post 18 outer wall, when needs rotate L type extension board 8, upwards mention L type extension board 8 and rotate L type extension board 8, L type extension board 8 drives carousel 17 through expanding spring 19 and rotates this moment, expanding spring 19's existence is favorable to pulling the stable block of L type extension board 8 at the top of solid fixed cylinder 7, flexible post 18 runs through carousel 17 and is favorable to prescribing a limit to flexible post 18 in carousel 17, thereby realize stable the placing of L type extension board 8.

Two symmetrical mounting plates 20 are fixedly arranged on the inner side of the L-shaped support plate 8, a sliding rod 21 is fixedly arranged between the mounting plates 20, the supporting rod 9 is arranged on the sliding rod 21 in a sliding mode through a sliding sleeve 22, the supporting rod 9 is arranged on the sliding rod 21 in a sliding mode through the sliding sleeve 22, the sliding rod 21 is beneficial to limiting the supporting rod 9 on the outer wall of the sliding rod 21, and therefore the supporting rod 9 can slide up and down along the outer wall of the sliding rod 21 under the driving of the screw nut 12.

The top end of the screw rod 11 is fixedly provided with a knob 23, and the screw rod 11 is driven to rotate through the knob 23.

Furthermore, the utility model discloses can also set firmly driving motor on the top of lead screw 11, utilize driving motor to drive lead screw 11 and rotate.

The fixture block 14 is fixedly connected with the L-shaped support plate 8 through the connecting column 24, and the fixture block 14 can be clamped in a gap between the limiting blocks 13, so that the position of the L-shaped support plate 8 is fixed.

The outer wall of the workbench 2 is also provided with an LED illuminating lamp 25, and the LED illuminating lamp 25 is favorable for providing an illuminating effect for the detection process.

The top of the supporting block 10 is provided with a convex block 26 which protrudes upwards, the side wall of the supporting block 10 close to the guide rail 3 is provided with an inclined end face, and when the flatness of the bottom surface of the guide rail 3 needs to be detected, the side wall of the top of the guide rail 3 is supported by the convex block 26; when the flatness of the top surface of the guide rail 3 needs to be detected, the side walls on two sides of the guide rail 3 are limited by utilizing the inclined end surfaces.

In the utility model, when the flatness of the bottom surface of the guide rail 3 needs to be detected, the L-shaped support plate 8 is lifted upwards and the L-shaped support plate 8 is rotated, and the clamping block 14 is clamped between the two limit blocks 13, the horizontal parts of the L-shaped support plates 8 are distributed perpendicular to the length direction of the workbench 2, the guide rail 3 to be detected is placed on the support block 10, the end side of the guide rail 3 is supported by the lug 26 on the support block 10, by rotating the lead screw 11, when rotated, drives the lead screw nut 12 along the lead screw 11, thereby driving the supporting rod 9 and the supporting block 10 to move, the supporting block 10 drives the guide rail 3 to contact with the backing plate 4 and be arranged on the backing plate 4 in the moving process, the surface of the backing plate 4 is smooth and elastic, the guide rail 3 can be conveniently supported, and the uneven part of the surface of the guide rail 3 can be contacted with the backing plate 4, so that the detection is convenient; after the guide rail 3 is placed, laser emitted by the laser emitter 5 is emitted to a contact position of the guide rail 3 and the base plate 4, the laser receiving target 6 senses the light intensity of the laser passing through the contact position, and an output signal of the laser receiving target 6 is displayed through an external display screen; when the roughness of 3 top surfaces of guide rail need be detected, through rotatory lead screw 11 so that supporting shoe 10 breaks away from the contact with guide rail 3, upwards mention L type extension board 8 simultaneously so that fixture block 14 breaks away from the block with stopper 13, and rotate L type extension board 8, it is rotatory to the 3 outsides of guide rail to support shoe 10, manual upset guide rail 3 this moment, place 3 top surfaces of guide rail on backing plate 4, and with supporting shoe 10 rotatory to the laminating of its inclined end face with 3 outer walls of guide rail, in order to realize spacing to guide rail 3, utilize laser emitter 5 to detect the roughness of 3 top surfaces of guide rail then.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A guide rail flatness detection device comprises a workbench (2) with a mounting groove (1) formed in the top, and a backing plate (4) fixedly arranged on the inner wall of the mounting groove (1) and used for bearing the gravity of a guide rail (3), wherein the surface of the backing plate (4) is smooth and elastic, and the guide rail flatness detection device is characterized in that the inner wall of one side of the mounting groove (1) is connected with a laser emitter (5) in a sliding manner, and the inner wall of the other side of the mounting groove (1) is connected with a laser receiving target (6) matched with the laser emitter (5) in a sliding manner;

the top end side of the workbench (2) is fixedly provided with fixed cylinders (7) which are symmetrically distributed along the mounting groove (1), the inner parts of the fixed cylinders (7) are rotatably connected with L-shaped support plates (8), the bottoms of the fixed cylinders (7) are rotatably connected with turntables (17), telescopic springs (19) are fixedly arranged between the outer walls of the bottoms of the L-shaped support plates (8) and the turntables (17), the inner sides of the L-shaped support plates (8) are slidably connected with support rods (9), and one ends, far away from the L-shaped support plates (8), of the support rods (9) are fixedly provided with support blocks (10) matched with the guide rails (3);

the top end of the L-shaped support plate (8) is in threaded connection with a lead screw (11), the lead screw (11) is in threaded connection with a lead screw nut (12), and the lead screw nut (12) is embedded in the support rod (9);

two limiting blocks (13) are arranged at the top of the fixed cylinder (7) along the length direction of the guide rail (3), a gap is reserved between the two limiting blocks (13), and a clamping block (14) which can be clamped between the limiting blocks (13) is fixedly arranged at the bottom of the L-shaped support plate (8).

2. The guide rail flatness detecting device according to claim 1, wherein symmetrical linear motor guide rails (15) are fixedly arranged on the inner wall of the installation groove (1), a linear motor (16) is slidably connected in the linear motor guide rails (15), and the laser emitter (5) and the laser receiving target (6) are fixedly arranged on an installation panel of the linear motor (16).

3. The guide rail flatness detecting device according to claim 1, wherein the rotary table (17) is rotatably connected to the bottom of the fixed cylinder (7) through a bearing, a telescopic column (18) is fixedly arranged at the bottom end of the L-shaped support plate (8), the telescopic column (18) can penetrate through the rotary table (17) and telescopically move along the inner side of the fixed cylinder (7), and the telescopic spring (19) is sleeved on the outer wall of the telescopic column (18).

4. The guide rail flatness detecting device according to claim 1, wherein two symmetrical mounting plates (20) are fixedly arranged on the inner side of the L-shaped support plate (8), a sliding rod (21) is fixedly arranged between the mounting plates (20), and the support rod (9) is slidably arranged on the sliding rod (21) through a sliding sleeve (22).

5. The device for detecting the flatness of the guide rail according to claim 1, wherein a knob (23) is fixedly arranged at the top end of the lead screw (11).

6. The device for detecting the flatness of the guide rail according to claim 1, wherein a driving motor is fixedly arranged at the top end of the lead screw (11).

7. The guide rail flatness detecting device according to claim 1, wherein the fixture block (14) is fixedly connected with the L-shaped support plate (8) through a connecting column (24), and the fixture block (14) can be clamped in a gap between the limiting blocks (13).

8. The guide rail flatness detecting apparatus according to claim 1, wherein an LED illuminating lamp (25) is further provided on the outer wall of the workbench (2).

9. The guide rail flatness detecting apparatus according to any one of claims 1 to 8, wherein the top of the supporting block (10) is provided with a projection (26) projecting upward, and the side wall of the supporting block (10) near the guide rail (3) is provided with an inclined end surface.