CN210119188U

CN210119188U - Diversion sheave overall dimension measuring device

Info

Publication number: CN210119188U
Application number: CN201921400865.1U
Authority: CN
Inventors: 邢赞; 王晓辉
Original assignee: Xiayi Huaihai Elevator Casting Co ltd
Current assignee: Xiayi Huaihai Elevator Casting Co ltd
Priority date: 2019-08-27
Filing date: 2019-08-27
Publication date: 2020-02-28
Anticipated expiration: 2029-08-27

Abstract

The utility model relates to a diversion sheave overall dimension measuring device, which solves the problems that the traditional thickness measuring instrument can not be applied in large scale and the caliper measuring tool is easy to generate larger deviation; the technical scheme for solving the problem is that the device comprises a flat plate, scales are arranged on the flat plate, a vertically-placed rotating shaft is arranged on the upper end surface of the flat plate, vertical rods are arranged on the left side and the right side of the flat plate, the two vertical rods are bilaterally symmetrical on the two sides of the rotating shaft and can slide left and right on the flat plate, the vertical rods are positioned at the upper end of the flat plate and are connected with the rotating shaft through a connecting rod mechanism, and the rotating shaft can drive the two pressing plates to move; the lower end of each vertical rod is provided with a pressing plate, and the flat plate is provided with a scale indicator which is connected with the pressing plate; the utility model discloses the structure is ingenious, through having designed the tight measuring device of two-sided clamp that can one-hand control, the thickness of convenient at any time accurate measurement diverting pulley in the workshop, and the one-way locking mechanism has guaranteed the rate of accuracy of reading simultaneously, thinks about novelty, convenient to use.

Description

Diversion sheave overall dimension measuring device

Technical Field

The utility model relates to an elevator equipment field specifically is a diverting pulley overall dimension measuring device.

Background

The diversion sheave is a movable pulley of elevator is exclusively used in, whether its thickness of movable pulley need be measured many times when production and quality control reach standard, prior art has the thickness measurement appearance that uses the ultrasonic wave principle, but this kind of measuring device is bulky, be difficult to use in the workshop, still carry out manual measurement with slide caliper rule or tape measure, then because the thickness between two planes of diversion sheave is great, tape measure and slide caliper rule are the line measurement mode, the size of measuring probably is not the shortest distance between two planes, cause the deviation of production and quality control, simultaneously, because slide caliper rule class measuring tool does not have locking device, also can produce the error during the reading.

Disclosure of Invention

The utility model aims at solving the deficiencies of the prior art, and the diversion sheave overall dimension measuring device who provides has solved the unable extensive application of traditional thickness measurement appearance, and slide caliper rule class measuring tool produces the problem of great deviation easily.

The technical scheme includes that the device comprises a flat plate which is horizontally placed, scales are arranged on the flat plate, a vertically-placed rotating shaft which can rotate around the axis of the flat plate is connected to the center of the upper end face of the flat plate, a vertical rod is arranged on each of the left side and the right side of the flat plate, the upper end and the lower end of each vertical rod are respectively located on the upper end face and the lower end face of the flat plate, the two vertical rods are bilaterally symmetrical on the two sides of the rotating shaft, each vertical rod can slide left and right on the flat plate, each vertical rod is located on the upper end of the flat plate and is connected with the rotating shaft through a connecting rod mechanism, the rotating; the lower end of each vertical rod is provided with a pressing plate which is placed in the front and back direction, the flat plate is provided with a scale indicator, the scale indicator is connected with the pressing plate, and the scale indicator can move along with the pressing plate and can display the position of the inner side surface of the pressing plate on the scale.

The utility model discloses the structure is ingenious, through having designed the tight measuring device of two-sided clamp that can one-hand control, the thickness of convenient at any time accurate measurement diverting pulley in the workshop, and the one-way locking mechanism has guaranteed the rate of accuracy of reading simultaneously, thinks about novelty, convenient to use.

Drawings

Fig. 1 is a three-dimensional perspective view of the utility model when measuring the pulley.

Fig. 2 is a front view of the pulley according to the present invention.

Fig. 3 is a top view of the idle state of the present invention.

Fig. 4 is a top view of the utility model in use.

Fig. 5 is a side sectional view of the pawl of the present invention.

Fig. 6 is a side view assembly drawing of the flat plate and the vertical rod of the present invention.

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.

As can be seen from the attached drawings 1-6, the utility model comprises a flat plate 1 which is horizontally placed, scales are arranged on the flat plate 1, the center of the upper end surface of the flat plate 1 is connected with a rotating shaft 2 which is vertically placed and can rotate around the axis of the rotating shaft, the left side and the right side of the flat plate 1 are respectively provided with a vertical rod 4, the upper end and the lower end of each vertical rod 4 are respectively positioned on the upper end surface and the lower end surface of the flat plate 1, the two vertical rods 4 are bilaterally symmetrical on the two sides of the rotating shaft 2, each vertical rod 4 can slide left and right on the flat plate 1, each vertical rod 4 is positioned at the upper end of the flat plate 1 and is connected with the rotating shaft 2 through a connecting rod mechanism 3; the lower end of each vertical rod 4 is provided with a pressing plate 5 which is arranged front and back, the flat plate 1 is provided with a scale indicator 6, the scale indicator 6 is connected with the pressing plate 5, and the scale indicator 6 can display the position of the inner side surface of the pressing plate 5 on the scale along with the movement of the pressing plate 5.

In order to enable the rotating shaft 2 to flexibly control the movement of the two vertical plates, the connecting rod mechanism 3 is formed by hinging two connecting rods, the outer end of one connecting rod is fixedly connected to the rotating shaft 2, and the outer end of the other connecting rod is hinged to the vertical rod 4.

In order to quickly reset the pressure plate 5 after measurement, a torsion spring is arranged at the hinge joint of the two connecting rods in each connecting rod mechanism 3.

In order to reduce the measurement error, the two ends of the vertical rod 4 are provided with end blocks 15, the flat plate 1 is provided with a left-right through groove 16, and the size of the end blocks 15 is matched with that of the through grooves 16, so that the end blocks 15 can horizontally slide in the through grooves 16.

In order to facilitate accurate reading, the scale indicator 6 is a T-shaped plate, the lower end of the vertical plate of the T-shaped plate is located at the lower end of the flat plate 1 and connected to the pressing plate 5, and the transverse plate of the T-shaped plate penetrates through the through groove 16 and is located at the scale of the upper end surface of the flat plate 1.

In order not to damage the wheel groove of the diversion wheel during measurement, the center of the lower end surface of the flat plate 1 is provided with a first rubber pad 7.

In order to clamp the measured diversion sheave and reduce the measurement error, the pressing plate 5 consists of a hard plate and a second rubber pad 8 positioned on the inner side of the hard plate, when the surface of the diversion sheave is uneven after painting or rust-proof treatment, the elasticity of the second rubber pad can contain small bulges caused by painting in the rubber pad, so that the reading of the scale indicator is more accurate.

In order to prevent to press from both sides 2 reversals of pivot when the reading behind the tight pulley, cause the reading error, ratchet 9 is installed to the lower extreme of pivot 2, there is the pawl mechanism 10 of its reversal of prevention of the adaptation of installing on dull and stereotyped 1 in the outside of ratchet 9, rotate pivot 2 and make two second rubber pads 8 warp and press from both sides tight pulley, stop 2 application of force backs to the pivot, pawl mechanism can block fast and die ratchet 9 and then block and die pivot 2, because ratchet mechanism's cooperation has certain resilience scope, can offset the distance of resilience when resumeing after 8 deformations of second rubber pad, guarantee the accuracy of reading.

In order to facilitate rapid and multiple measurements, the pawl mechanism 10 consists of a pawl box 11, a compression spring 12, a pawl 13 and a poking rod 14, the pawl 13 capable of sliding left and right is arranged in the pawl box 11, the right end of the pawl 13 is connected with the compression spring 12, the other end of the compression spring 12 is connected to the inner wall of the right side of the pawl box 11, the upper end of the pawl 13 is connected with the poking rod 14, and the poking rod 14 can move right to drive the pawl 13 to move right to be separated from the ratchet wheel 9; when the thickness of the diversion sheave is measured, the pawl 13 can prevent the ratchet wheel 9 from reversing under the resistance of the compression spring 12, and after the measurement is finished, the poke rod 14 is poked to move rightwards, so that the pawl 13 can be separated from the ratchet wheel 9 without influencing the reset of the pressure plate 5.

When the utility model is used in concrete, the diversion sheave to be measured is placed vertically, and the contact part with the ground is the cambered surface of the diversion sheave; the lower end of the flat plate 1 is placed on the cambered surface of the diversion sheave, and the two pressing plates 5 are positioned at the left end and the right end of the diversion sheave and are parallel to the plane of the diversion sheave; the rotating shaft 2 drives the two pressing plates 5 to move in opposite directions at the same time through the connecting rod mechanism 3 until the two pressing plates 5 clamp the diversion sheave, and the thickness of the diversion sheave to be measured can be read out according to the scale indicator 6 which moves simultaneously with the pressing plates 5.

The utility model also designs a first rubber pad 7 positioned below the flat plate 1, when in measurement, the first rubber pad 7 is contacted with the pulley groove of the cambered surface of the pulley, so that the flat plate 1 is more stably placed on the pulley while the pulley groove is prevented from being damaged; meanwhile, each pressing plate 5 consists of a second rubber pad 8 and a hard plate on the inner side, when the surface of the diversion sheave is uneven after painting or rust-proof treatment, the elasticity of the second rubber pad 8 can contain small bulges caused by painting in the rubber pad, so that the reading of the scale indicator 6 is more accurate.

The utility model discloses ratchet 9 pawl 13 mechanism 10 has still been designed, ratchet 9 is installed to the lower extreme of pivot 2, ratchet 9's the outside has the pawl 13 mechanism 10 of its reversal of prevention of adaptation with it of installing on dull and stereotyped 1, it presss from both sides tight pulley to rotate pivot 2 and make two 8 deformations of second rubber pad, stop 2 application of force backs to the countershaft, pawl 13 mechanism 10 can block fast and die ratchet 9 and then block dead pivot 2, because the cooperation of ratchet 9 mechanism has certain resilience scope, the distance of resilience can be offset when resumeing after 8 deformations of second rubber pad, guarantee the accuracy of reading, make the survey crew still can read out the accurate thickness of pulley on scale indicator 6 after stopping 2 application of force to the countershaft.

When the device is used specifically, after the thickness of one diversion sheave is measured every time, the poke rod 14 is poked to move rightwards, so that the pawl 13 is separated from the ratchet wheel 9, the rotating shaft 2 is overturned under the action of the torsion spring in the connecting rod mechanism 3, the two pressing plates 5 move oppositely at the same time, the original state is recovered, and the next measurement can be continued.

Claims

1. The device for measuring the overall dimension of the diversion sheave is characterized by comprising a flat plate (1) which is horizontally placed, scales are arranged on the flat plate (1), the center of the upper end face of the flat plate (1) is connected with a rotating shaft (2) which is vertically placed and can rotate around the axis of the flat plate, the left side and the right side of the flat plate (1) are respectively provided with a vertical rod (4), the upper end and the lower end of each vertical rod (4) are respectively positioned on the upper end face and the lower end face of the flat plate (1), the two vertical rods (4) are bilaterally symmetrical on the two sides of the rotating shaft (2), each vertical rod (4) can slide left and right on the flat plate (1), each vertical rod (4) is positioned at the upper end of the flat plate (1) and is connected with the rotating shaft (2) through a connecting rod mechanism (3), the rotating shaft (2) can drive; the lower end of each vertical rod (4) is provided with a pressing plate (5) which is placed front and back, a scale indicator (6) is arranged on the flat plate (1), the scale indicator (6) is connected with the pressing plate (5), and the scale indicator (6) can move along with the pressing plate (5) to display the position of the inner side surface of the pressing plate (5) on the scale.

2. A diverting pulley form-factor measuring device according to claim 1, characterized in that the link mechanism (3) is formed by two articulated links, one of which is fixedly connected to the shaft (2) at its outer end and the other is articulated to the vertical rod (4) at its outer end.

3. A diverting pulley outer dimension measuring device according to claim 2, characterized in that a torsion spring is installed at the hinge joint of two links in each link mechanism (3).

4. The diverting pulley form dimension measuring device of claim 1, characterized in that the two ends of the vertical rod (4) are provided with end blocks (15), the flat plate (1) is provided with a through groove (16) in the left-right direction, and the size of the end blocks (15) is matched with that of the through groove (16) so that the end blocks (15) can slide horizontally in the through groove (16).

5. The device for measuring the outline dimension of the diverting pulley according to claim 1, wherein the scale indicator (6) is a T-shaped plate, the lower end of the vertical plate of the T-shaped plate is positioned at the lower end of the flat plate (1) and is connected to the pressure plate (5), and the transverse plate of the T-shaped plate passes through the through groove (16) and is positioned at the scale of the upper end surface of the flat plate (1).

6. A diverting pulley outer dimension measuring device according to claim 1, characterized in that the lower end surface of the flat plate (1) is centrally provided with a first rubber pad (7).

7. A diverting pulley form factor measuring device according to claim 1, characterized in that the pressure plate (5) consists of a hard plate and a second rubber pad (8) inside the hard plate.

8. A diverting pulley form factor measuring device according to claim 1, characterized in that the lower end of the rotating shaft (2) is provided with a ratchet wheel (9), and the outside of the ratchet wheel (9) is provided with a pawl mechanism (10) which is adapted to the plate (1) and prevents the plate from reversing.

9. The device for measuring the outer dimension of the diversion sheave according to claim 8, wherein the pawl mechanism (10) comprises a pawl box (11), a compression spring (12), a pawl (13) and a poking rod (14), the pawl (13) capable of sliding left and right is arranged in the pawl box (11), the compression spring (12) is connected to the right end of the pawl (13), the other end of the compression spring (12) is connected to the inner wall of the right side of the pawl box (11), the poking rod (14) is connected to the upper end of the pawl (13), and the poking rod (14) can move rightwards to drive the pawl (13) to move rightwards to be separated from the ratchet wheel (9).