CN214989525U

CN214989525U - Speed measuring device for elevator steel wire rope

Info

Publication number: CN214989525U
Application number: CN202120127618.XU
Authority: CN
Inventors: 陈炳华; 刘海潮; 刘健羽
Original assignee: Hitachi Building Technology Guangzhou Co Ltd
Current assignee: Hitachi Building Technology Guangzhou Co Ltd
Priority date: 2021-01-18
Filing date: 2021-01-18
Publication date: 2021-12-03
Anticipated expiration: 2031-01-18

Abstract

The utility model relates to an elevator wire rope speed sensor includes: fixing base, tachymeter and compress tightly the piece. The fixing seat is detachably arranged on the machine beam of the elevator frame and is provided with a mounting surface. The pressing piece is tightly abutted against the main body so that the main body is fixedly attached to the mounting surface. Compared with the traditional installation mode on the elevator frame machine beam, the elevator frame machine beam is fixedly installed on the elevator frame machine beam by adopting the fixed seat, and the tachometer is tightly pressed and fixed on the installation surface by the pressing piece, so that the speed measurement working efficiency is improved; meanwhile, the elevator steel wire rope can be prevented from being contacted by hands as much as possible, so that the safety is improved; in addition, the fixing effect of the speedometer is firmer, so that the testing precision is improved; in addition, the insulating tape or the ribbon does not need to be wasted, and the test cost is reduced. Secondly, can adjust the position of tachymeter along the installation face for the axle sleeve of tachymeter closely contradicts with elevator wire rope, then rethread clamping member compresses tightly the tachymeter and is fixed in the installation face.

Description

Speed measuring device for elevator steel wire rope

Technical Field

The utility model relates to an elevator wire rope's speed test technical field especially relates to an elevator wire rope speed sensor.

Background

Conventionally, a test operation of a running speed of an elevator rope generally includes the steps of: the speedometer is fixedly mounted on the elevator frame beam similar to the I-shaped shape by winding a large amount of insulating tapes or ribbons, and the speedometer is completely attached to the elevator steel wire rope, so that the test operation of the running speed of the elevator steel wire rope can be realized. However, in the process of winding and fixedly mounting the tester on the elevator frame beam through the insulating tape or the ribbon, the hand of a worker can touch the steel wire rope, the risk of potentially rolling and pinching off the fingers of the worker is high, and meanwhile, the assembly efficiency is low; in addition, because the insulating rubberized fabric and the ribbon have elastic and plastic deformation, the elevator steel wire rope moves leftwards and rightwards, so that the tachometer cannot be completely attached to the elevator steel wire rope, the speed test has deviation, and the test precision is reduced; in addition, because the running speed of the elevator steel wire rope is required to be tested frequently, a large amount of insulating tapes or bands are wasted in each testing operation, so that the testing cost is increased, and the environment is not environment-friendly.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to overcome the defects in the prior art, and an elevator steel wire rope speed measuring device is provided, which can improve the safety, improve the working efficiency, improve the testing precision and reduce the testing cost.

The technical scheme is as follows: an elevator wire rope speed measurement device, the elevator wire rope speed measurement device includes: the fixing seat is detachably arranged on the machine beam of the elevator frame and is provided with an installation surface; the speed meter comprises a main body and a shaft sleeve which is rotatably arranged on the main body, the main body is arranged on the installation surface, and the outer wall of the shaft sleeve is used for tightly abutting against an elevator steel wire rope; and the pressing piece is detachably arranged on the fixed seat, and the pressing piece is tightly abutted to the main body so that the main body is fixedly attached to the mounting surface.

Foretell elevator wire rope speed sensor when elevator wire rope's functioning speed needs to be tested, install the fixing base on the elevator frame machine roof beam that is close to relatively in the elevator wire rope that awaits measuring, the tachometer compresses tightly fixedly through compressing tightly the piece and installs on the installation face, the axle sleeve outer wall of tachometer closely contradicts with elevator wire rope, and the axle sleeve that drives the tachometer when elevator wire rope moves like this rotates, just can acquire elevator wire rope's functioning speed. Therefore, compared with the traditional installation mode of fixedly installing the speed meter on the machine beam of the elevator frame by winding the insulating tape or the ribbon, the speed meter is fixedly installed on the machine beam of the elevator frame by adopting the fixed seat, and the speed meter is tightly pressed and fixed on the installation surface by the pressing piece, so that the installation is rapid, and the speed measurement working efficiency is improved; meanwhile, the elevator steel wire rope can be prevented from being contacted by hands as much as possible, so that the safety is improved; in addition, the fixing effect of the speedometer is firmer, so that the testing precision is improved; in addition, the insulating tape or the ribbon does not need to be wasted, and the test cost is reduced. Secondly, can adjust the position of tachymeter along the installation face for the axle sleeve of tachymeter closely contradicts with elevator wire rope, then rethread clamping member compresses tightly the tachymeter and is fixed in the installation face.

In one embodiment, the fixing seat comprises a fixing plate, an abutting part, a positioning plate and a fastening screw rod; the abutting part and the positioning plate are oppositely and fixedly arranged on the fixing plate, the fixing plate is used for being attached to a transverse plate arranged on the elevator frame girder, the abutting part and the positioning plate are respectively positioned on two sides of the transverse plate, and the abutting part is used for abutting against the transverse plate; the positioning plate is provided with a screw hole matched with the fastening screw rod, the fastening screw rod is arranged in the screw hole, and the end part of the fastening screw rod is used for abutting against the vertical plate on the machine beam of the elevator frame.

In one embodiment, the interference part is a barb for being in interference fixation with the side part of the transverse plate; the barb is more than one.

In one embodiment, the number of the screw holes is two or more, the number of the fastening screws is two or more, and the two or more fastening screws and the two or more screw holes are arranged in one-to-one correspondence.

In one embodiment, the fixing seat further comprises a threaded sleeve arranged at the end of the screw rod, and the threaded sleeve is used for abutting against the vertical plate surface.

In one embodiment, a handle is arranged on one end of the fastening screw rod far away from the vertical plate.

In one embodiment, one end of the pressing piece is located on one side of the tachometer and is detachably and fixedly arranged on the mounting surface, and the other end of the pressing piece is located on the other side of the tachometer and is detachably and fixedly arranged on the mounting surface.

In one embodiment, the compressing member is disposed around and closely attached to the outer wall of the main body.

In one embodiment, a first mounting hole is formed in the end part of the pressing piece, and a second mounting hole corresponding to the first mounting hole is formed in the mounting surface; the end part of the pressing piece penetrates through the first mounting hole and the second mounting hole through a mounting piece and is fixedly mounted on the mounting surface.

In one embodiment, one end of the pressing piece is rotatably arranged on the mounting surface, and the other end of the pressing piece is detachably arranged on the mounting surface.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.

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

Fig. 1 is a schematic view of a view structure of an elevator rope speed measuring device according to an embodiment of the present invention installed on a beam of an elevator frame;

fig. 2 is a schematic view of another view structure of an elevator rope speed measuring device according to an embodiment of the present invention installed on a beam of an elevator frame;

fig. 3 is a schematic structural view of a pressing member of an elevator steel wire rope speed measuring device according to an embodiment of the present invention;

fig. 4 is a view structural diagram of an elevator rope speed measuring device according to an embodiment of the present invention.

10. A fixed seat; 101. a mounting surface; 11. a fixing plate; 12. a contact part; 13. positioning a plate; 131. a screw hole; 14. fastening a screw rod; 15. a threaded sleeve; 16. a handle; 20. a tachometer; 21. a main body; 22. a shaft sleeve; 30. a compression member; 31. a first lever; 32. a second lever; 33. a mounting member; 40. an elevator frame machine beam; 41. a transverse plate; 42. a vertical plate.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

Referring to fig. 1, fig. 2 and fig. 4, fig. 1 shows that the elevator wire rope speed measuring device of an embodiment of the present invention is installed on one of the view angle structure diagrams on the frame girder of the elevator, fig. 2 shows that the elevator wire rope speed measuring device of an embodiment of the present invention is installed on another view angle structure diagram on the frame girder of the elevator, fig. 4 shows one of the view angle structure diagrams of the elevator wire rope speed measuring device of an embodiment of the present invention. An embodiment of the utility model provides a pair of elevator wire rope speed sensor, elevator wire rope speed sensor includes: fixing base 10, tachometer 20 and compressing tightly 30. The fixing seat 10 is detachably arranged on the elevator frame machine beam 40, and a mounting surface 101 is arranged on the fixing seat 10. The tachometer 20 includes a main body 21 and a sleeve 22 rotatably disposed on the main body 21. Main part 21 sets up in installation face 101, and the outer wall of axle sleeve 22 is used for closely conflicting with elevator wire rope, and elevator wire rope moves and drives axle sleeve 22 through frictional force and rotate, and speedometer 20 alright in order to obtain elevator wire rope's functioning speed when axle sleeve 22 rotates. In addition, the pressing member 30 is detachably disposed on the fixing base 10, and the pressing member 30 tightly abuts against the main body 21 so as to fix and attach the main body 21 to the mounting surface 101.

The speed measuring device for the elevator steel wire rope is characterized in that when the running speed of the elevator steel wire rope needs to be tested, the fixed seat 10 is installed on the elevator frame machine beam 40 which is relatively close to the elevator steel wire rope to be tested, the speed measuring meter 20 is fixedly installed on the installation surface 101 through the compression piece 30, the outer wall of the shaft sleeve 22 of the speed measuring meter 20 is tightly abutted to the elevator steel wire rope, and the shaft sleeve 22 of the speed measuring meter 20 is driven to rotate when the elevator steel wire rope runs, so that the running speed of the elevator steel wire rope can be obtained. Thus, compared with the traditional installation mode of fixedly installing the speed meter on the elevator frame machine beam 40 by winding an insulating tape or a ribbon, in the embodiment, the fixing seat 10 is fixedly installed on the elevator frame machine beam 40, and the speed meter 20 is tightly pressed and fixed on the installation surface 101 through the pressing piece 30, so that the installation is rapid, and the speed measurement work efficiency is improved; meanwhile, the elevator steel wire rope can be prevented from being contacted by hands as much as possible, so that the safety is improved; in addition, the fixing effect of the speedometer 20 is firmer, so that the testing precision is improved; in addition, the insulating tape or the ribbon does not need to be wasted, and the test cost is reduced. Secondly, the position of the tachometer 20 can be adjusted along the installation surface 101, so that the shaft sleeve 22 of the tachometer 20 is tightly abutted against the elevator steel wire rope, and then the tachometer 20 is tightly pressed and fixed on the installation surface 101 through the pressing piece 30.

Referring to fig. 1 to 3, fig. 3 shows a schematic structural diagram of a pressing member 30 of an elevator steel wire rope speed measuring device according to an embodiment of the present invention. Further, the fixing base 10 includes a fixing plate 11, an abutting portion 12, a positioning plate 13 and a fastening screw 14. Conflict portion 12 and locating plate 13 are fixed relatively and are set up on fixed plate 11, and fixed plate 11 is used for the laminating to install on horizontal board 41 on elevator frame machine beam 40, and conflict portion 12 and locating plate 13 are located the both sides of horizontal board 41 respectively, and conflict portion 12 is used for conflicting with horizontal board 41. The positioning plate 13 is provided with a screw hole 131 corresponding to the fastening screw 14, the fastening screw 14 is arranged in the screw hole 131, and the end of the fastening screw 14 is used for abutting against the vertical plate 42 on the elevator frame beam 40. So, need install fixing base 10 on elevator frame machine roof beam 40, it is inconsistent with horizontal board 41 through conflict portion 12, and the tip of fastening screw 14 is inconsistent with vertical board 42 on elevator frame machine roof beam 40, just can realize that fixing base 10 installs firmly on elevator frame machine roof beam 40, and installation operation is comparatively convenient and fast.

It should be noted that, in the infringement comparison, the "interference part 12" may be "a part of the fixing plate 11", that is, the "interference part 12" and "the other part of the fixing plate 11" are integrally formed; or a separate member that can be separated from the other parts of the fixing plate 11, i.e., the interference part 12, can be manufactured separately and then combined with the other parts of the fixing plate 11 into a whole. As shown in fig. 1 or fig. 2, in an embodiment, the "interference portion 12" is a part of the "fixing plate 11" that is integrally formed.

It should be noted that, in infringement comparison, the "positioning plate 13" may be a part of the "fixing plate 11", that is, the "positioning plate 13" and the "other part of the fixing plate 11" are integrally formed; or a separate component which can be separated from the other parts of the fixing plate 11, that is, the positioning plate 13 can be manufactured separately and then combined with the other parts of the fixing plate 11 into a whole. As shown in fig. 1 or fig. 2, in one embodiment, the "positioning plate 13" is a part of the "fixing plate 11" that is integrally formed.

Referring to fig. 1 to 3, in one embodiment, the interference portion 12 is a barb for being fixed in contact with a side portion of the transverse plate 41. When the barb is abutted against the lateral part of the transverse plate 41, the fixing seat 10 can be stably arranged on the elevator frame beam 40, and the abutting part 12 can be prevented from slipping off from the lateral part of the transverse plate 41. It is understood that the surface of the abutting portion 12 abutting the side portion of the transverse plate 41 may be a plane, a curved surface or other shapes, and is not limited herein. It should be noted that there are more than one barbs. Specifically, the number of the barbs may be one, two, three or other numbers, which are not limited herein, and may be set according to actual requirements, and when the number of the barbs is larger, the mounting effect of the fixing seat 10 on the elevator frame beam 40 is more stable.

Referring to fig. 1 to 3, in one embodiment, there are more than two screw holes 131, there are more than two fastening screws 14, and the two fastening screws 14 and the two screw holes 131 are disposed in one-to-one correspondence. Therefore, the end parts of the two or more fastening screw rods 14 are synchronously abutted and fixed on the vertical plate 42, so that the installation effect of the fixed seat 10 on the elevator frame machine beam 40 is stable. It should be noted that the specific number of the fastening screws 14 may be one, two, three, four or other numbers, and is not limited in particular.

Referring to fig. 1 to 3, in one embodiment, the fixing base 10 further includes a threaded sleeve 15 disposed on an end of the screw. The threaded sleeve 15 is intended to abut against the vertical plate 42. So, the thread bush 15 can increase the area of contact of the tip of fastening screw 14 and the face of vertical plate 42, can realize installing fixing base 10 on elevator frame machine beam 40 firmly. In addition, in the assembly operation, the fastening screw 14 may be mounted on the positioning plate 13, and then the threaded sleeve 15 may be fitted over the end of the fastening screw 14, and similarly, in the disassembly operation, the threaded sleeve 15 may be removed first, and then the fastening screw 14 may be removed from the positioning plate 13.

As an alternative, the fixing base 10 is not limited to be fixedly mounted on the elevator frame beam 40 by the above-mentioned mounting method, and may also be fixedly mounted on the elevator frame beam 40 by other methods, for example, the fixing base 10 is provided with a clamping component or a magnetic attraction fixing component, etc., the elevator frame beam 40 is stably clamped by the clamping component, or the magnetic attraction fixing component is stably and magnetically attracted to the elevator frame beam 40, which is also a feasible solution, and is not illustrated in detail herein, and may be set according to actual situations.

Referring to fig. 1-3, in one embodiment, a handle 16 is provided on an end of the fastening screw 14 remote from the vertical plate 42. In this way, the handle 16 can facilitate driving the fastening screw 14 to rotate, so that the fastening screw 14 can be rotated more easily. Specifically, a through hole is formed at an end of the fastening screw 14 away from the vertical plate 42, and the handle 16 is mounted on an end of the fastening screw 14 through the through hole.

Referring to fig. 1 to 3, in one embodiment, one end of the pressing member 30 is located on one side of the tachometer 20 and is detachably and fixedly disposed on the mounting surface 101, and the other end of the pressing member 30 is located on the other side of the tachometer 20 and is detachably and fixedly disposed on the mounting surface 101. So, install through the one end that will compress tightly piece 30 and install on the installation face 101 that is fixed in one of them one side of tachometer 20, compress tightly the other end of piece 30 and install on the installation face 101 that is fixed in the opposite side of tachometer 20, just can realize compressing tightly piece 30 and compress tightly tachometer 20 and be fixed in on installation face 101, installation operation is comparatively convenient and fast, and whole equipment effect is comparatively firm, is difficult for rocking.

Referring to fig. 1 to 3, in one embodiment, the pressing member 30 is disposed around and closely attached to the outer wall of the main body 21. Specifically, when the main body 21 is a rectangular parallelepiped, the pressing member 30 includes two first rods 31 and a second rod 32 connecting the two first rods 31, the two first rods 31 respectively and correspondingly abut against two opposite side surfaces of the main body 21, and the second rod 32 and the top surface of the main body 21 correspondingly abut against each other, so that the pressing member 30 and the main body 21 can tightly abut against each other to fix and attach the main body 21 to the mounting surface 101. Further, the end of the first lever 31 is detachably fixed to the mounting surface 101. Of course, the body 21 may have other shapes, and is not limited herein. For example, when the main body 21 is cylindrical, the pressing member 30 is an arc-shaped rod corresponding to the main body 21, and the arc-shaped rod tightly contacts with the outer wall surface of the main body 21 so as to fix and fit the main body 21 on the mounting surface 101.

It should be noted that, in infringement comparison, the "first rod 31" may be a part of the "second rod 32", that is, the "first rod 31" is integrally formed with the "other part of the" second rod 32 "; or a separate member separable from the other part of the second rod 32, i.e., the first rod 31 may be manufactured separately and then combined with the other part of the second rod 32 to form a single body. As shown in fig. 3, in one embodiment, the "first rod 31" is a part of the "second rod 32" that is integrally formed.

Referring to fig. 1 to 3, in one embodiment, the end of the pressing member 30 is provided with a first mounting hole, and the mounting surface 101 is provided with a second mounting hole corresponding to the first mounting hole. The end of the pressing member 30 is fixed to the mounting surface 101 by the mounting member 33 through the first mounting hole and the second mounting hole. Specifically, the mounting member 33 is, for example, a screw, a bolt, a pin, a rivet, a snap, or the like, and the first and second mounting holes are mounting holes adapted to the mounting member 33.

As an alternative embodiment, the two ends of the pressing member 30 are not required to be detachably disposed on the mounting surface 101, and other mounting manners on the mounting surface 101 are also possible, for example, one end of the pressing member 30 is rotatably disposed on the mounting surface 101, and the other end of the pressing member 30 is detachably disposed on the mounting surface 101. So, install the tachometer 20 on installation face 101 after, rotate compressing tightly piece 30 and compress tightly on the outer wall of main part 21 to make the tip of compressing tightly piece 30 fixed set up on installation face 101, also can realize installing the tachometer 20 on the installation face 101 of fixing base 10 fast firmly.

In summary, the speed measuring device for the steel wire rope of the elevator at least has the following advantages:

1. the fixing seat 10 is fixedly arranged on the elevator frame machine beam 40, and the tachometer 20 is tightly pressed and fixed on the mounting surface 101 through the pressing piece 30, so that the mounting is rapid, and the speed measuring working efficiency is improved; meanwhile, the elevator steel wire rope can be prevented from being contacted by hands as much as possible, so that the safety is improved; in addition, the fixing effect of the speedometer 20 is firmer, so that the testing precision is improved; in addition, the insulating tape or the ribbon does not need to be wasted, and the test cost is reduced. Secondly, the position of the tachometer 20 can be adjusted along the installation surface 101, so that the shaft sleeve 22 of the tachometer 20 is tightly abutted against the elevator steel wire rope, and then the tachometer 20 is tightly pressed and fixed on the installation surface 101 through the pressing piece 30.

2. Need install fixing base 10 on elevator frame machine roof beam 40, it is inconsistent with horizontal board 41 through conflict portion 12, and the tip of fastening screw 14 is inconsistent with vertical board 42 on elevator frame machine roof beam 40, just can realize that fixing base 10 installs firmly on elevator frame machine roof beam 40, and installation operation is comparatively convenient and fast.

3. The abutting portion 12 is specifically a barb, and when the barb abuts against the lateral portion of the transverse plate 41, the fixing seat 10 can be stably installed on the machine beam 40 of the elevator frame, so that the abutting portion 12 and the lateral portion of the transverse plate 41 can be prevented from slipping and falling off.

4. The end parts of the two or more fastening screws 14 are synchronously abutted and fixed on the vertical plate 42, so that the installation effect of the fixed seat 10 on the elevator frame machine beam 40 is firmer.

5. The threaded sleeve 15 can increase the contact area between the end of the fastening screw 14 and the surface of the vertical plate 42, and the fixed seat 10 can be stably installed on the elevator frame beam 40. In addition, in the assembly operation, the fastening screw 14 may be mounted on the positioning plate 13, and then the threaded sleeve 15 may be fitted over the end of the fastening screw 14, and similarly, in the disassembly operation, the threaded sleeve 15 may be removed first, and then the fastening screw 14 may be removed from the positioning plate 13.

6. The handle 16 facilitates driving the tightening screw 14 to rotate, so that the tightening screw 14 can be rotated more easily.

7. Install on the installation face 101 that is fixed in one of them one side of tachometer 20 through the one end that will compress tightly piece 30, on the other end that compresses tightly piece 30 installs the installation face 101 that is fixed in the opposite side of tachometer 20, just can realize compressing tightly piece 30 and compress tightly tachometer 20 and be fixed in on installation face 101, installation operation is comparatively convenient and fast, and whole equipment effect is comparatively firm, is difficult for rocking.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship 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.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Claims

1. The elevator steel wire rope speed measuring device is characterized by comprising:

the fixing seat is detachably arranged on the machine beam of the elevator frame and is provided with an installation surface;

the speed meter comprises a main body and a shaft sleeve which is rotatably arranged on the main body, the main body is arranged on the installation surface, and the outer wall of the shaft sleeve is used for tightly abutting against an elevator steel wire rope; and

the pressing piece is detachably arranged on the fixed seat, and the pressing piece is tightly abutted to the main body so that the main body is fixedly attached to the mounting surface.

2. The elevator steel wire rope speed measuring device according to claim 1, wherein the fixing seat comprises a fixing plate, an abutting part, a positioning plate and a fastening screw; the abutting part and the positioning plate are oppositely and fixedly arranged on the fixing plate, the fixing plate is used for being attached to a transverse plate arranged on the elevator frame girder, the abutting part and the positioning plate are respectively positioned on two sides of the transverse plate, and the abutting part is used for abutting against the transverse plate; the positioning plate is provided with a screw hole matched with the fastening screw rod, the fastening screw rod is arranged in the screw hole, and the end part of the fastening screw rod is used for abutting against the vertical plate on the machine beam of the elevator frame.

3. The elevator steel wire rope speed measuring device according to claim 2, wherein the interference part is a barb for being in interference fixation with the side part of the transverse plate; the barb is more than one.

4. The elevator steel wire rope speed measuring device according to claim 2, wherein the number of the screw holes is two or more, the number of the fastening screw rods is two or more, and the two or more fastening screw rods and the two or more screw holes are arranged in one-to-one correspondence.

5. The elevator steel wire rope speed measuring device according to claim 2, wherein the fixing seat further comprises a threaded sleeve arranged on an end portion of the screw rod, and the threaded sleeve is used for abutting against the vertical plate surface.

6. The elevator steel wire rope speed measuring device according to claim 2, wherein a handle is provided on an end of the fastening screw remote from the vertical plate.

7. The elevator steel wire rope speed measuring device according to any one of claims 1 to 6, wherein one end of the pressing member is located on one side of the speedometer and is detachably and fixedly arranged on the mounting surface, and the other end of the pressing member is located on the other side of the speedometer and is detachably and fixedly arranged on the mounting surface.

8. The elevator steel wire rope speed measuring device according to claim 7, wherein the pressing member is disposed around and closely attached to the outer wall of the main body.

9. The elevator steel wire rope speed measuring device according to claim 7, wherein a first mounting hole is formed in the end of the pressing piece, and a second mounting hole corresponding to the first mounting hole is formed in the mounting surface; the end part of the pressing piece penetrates through the first mounting hole and the second mounting hole through a mounting piece and is fixedly mounted on the mounting surface.

10. The elevator steel wire rope speed measuring device according to any one of claims 1 to 6, wherein one end of the compressing member is rotatably disposed on the mounting surface, and the other end of the compressing member is detachably disposed on the mounting surface.