CN211310477U - Simulation experiment table for working state of traction sheave - Google Patents
Simulation experiment table for working state of traction sheave Download PDFInfo
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- CN211310477U CN211310477U CN201921866213.7U CN201921866213U CN211310477U CN 211310477 U CN211310477 U CN 211310477U CN 201921866213 U CN201921866213 U CN 201921866213U CN 211310477 U CN211310477 U CN 211310477U
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- traction sheave
- clamping plate
- cable clamping
- wire rope
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Abstract
The utility model discloses a traction sheave operating condition simulation experiment platform belongs to elevator safety inspection field. It comprises a fixed bracket which is provided with at least two connecting ends; the positioning piece is arranged at a connecting end of the fixed support and used for fixing the traction sheave, and the traction sheave is provided with a rope groove for winding a steel wire rope; and the cable clamping plate is arranged at the other connecting end of the fixed support, the cable clamping plate and the positioning piece are arranged oppositely, and the cable clamping plate is used for fixing the steel wire rope. The positioning piece is arranged at a connecting end of the fixed support and used for fixing a traction sheave, and a rope groove for winding a steel wire rope is formed in the traction sheave; and then the cable clamping plate is arranged at the other connecting end of the fixed support, the cable clamping plate and the positioning piece are arranged oppositely, and the cable clamping plate is used for fixing the steel wire rope and is used as a traction sheave experiment and demonstration platform, so that the elevator is convenient to use in training and examination of maintenance personnel, the elevator which normally operates does not need to be closed, and manpower and material resources are saved.
Description
Technical Field
The utility model belongs to the technical field of elevator safety inspection, specifically speaking relates to a traction sheave operating condition simulation experiment platform.
Background
The traction sheave is used as a rope sheave on a traction machine, bears the total weight of the self weight, the load and the counter weight of the elevator car, and is an important device for providing traction force for the elevator. The traction sheave utilizes the friction force of the steel wire rope and the rope grooves on the edge of the traction sheave to transmit power, and long-time use inevitably causes the abrasion of the rope grooves of the traction sheave, causes the reduction of traction capacity, influences the normal use of the elevator and even causes safety accidents. According to the provisions of GB/T31821-2015 technical Condition for scrapping of Elevator Main Components in item 4.2.4, the wearing of the rope grooves of the traction sheave causes that the traction force does not meet the standard requirements, the rope grooves are damaged or abnormally worn, the traction sheave cannot be used continuously, and the traction sheave should be scrapped immediately.
At present, the detection method and the detection equipment of the abrasion loss of the rope groove of the traction sheave are various, and the mainstream methods comprise that a steel ruler is adopted to measure the distance from the top of each standard cylindrical column to a square in GBT13435-1992 elevator traction machines, a depth vernier caliper is used to measure the rope groove, and the like. The measuring method is contact type measuring, along with the application of machine vision in the industrial field, more and more non-contact measuring methods and devices are started, and the rope groove detection equipment based on the machine vision is applied.
Before these devices are put into use, an experimental and demonstration platform is required to verify the accuracy and reliability of these devices. In some applications, for example, in training and examination of elevator equipment maintenance personnel, such a platform is also needed to demonstrate a method for detecting the wear amount of a rope groove of a traction sheave. In view of the above situation, the currently adopted method generally performs detection on the site of an elevator construction site, the method usually needs to suspend the elevator for use, specially frees time and requires labor for worker training, and interferes with the normal operation order of the elevator, and measurement is performed above a hoistway during measurement, so that many potential safety hazards exist; in addition, the elevator teaching can not be explained according to the combination of the physical models, and is difficult to be developed to deeply teach and train, and trainees are difficult to well understand.
SUMMERY OF THE UTILITY MODEL
1. Problems to be solved
Aiming at the problem that the existing traction sheave experiment and demonstration platform which are specially suitable for the traction sheave experiment is lacked, the utility model provides a traction sheave working condition simulation experiment table which comprises a fixed bracket, wherein a positioning piece is arranged at a connecting end of the fixed bracket and used for fixing the traction sheave, and the traction sheave is provided with a rope groove for winding a steel wire rope; and then the cable clamping plate is arranged at the other connecting end of the fixed support, the cable clamping plate and the positioning piece are arranged oppositely, and the cable clamping plate is used for fixing the steel wire rope and is used as a traction sheave experiment and demonstration platform, so that the elevator is convenient to use in training and examination of maintenance personnel, the elevator which normally operates does not need to be closed, and manpower and material resources are saved.
2. Technical scheme
In order to solve the above problems, the utility model adopts the following technical proposal.
A simulation experiment table for the working state of a traction sheave comprises:
the fixing bracket is provided with at least two connecting ends;
the positioning piece is arranged at a connecting end of the fixed support and used for fixing the traction sheave, and a rope groove for winding a steel wire rope is formed in the traction sheave; and
and the cable clamping plate is arranged at the other connecting end of the fixed support, the cable clamping plate and the positioning piece are arranged at intervals, and the cable clamping plate is used for fixing the steel wire rope.
Preferably, the fixed support is a quadrangular frustum frame structure.
Preferably, the positioning element comprises two fixing discs, a traction wheel shaft and a support, the two fixing discs are coaxial with the traction wheel, the traction wheel is fixed on the fixing discs through the traction wheel shaft, and the traction wheel shaft is mounted on the support through a bearing with a seat.
Preferably, the support is a hydraulic cylinder.
Preferably, the fixed support comprises an upper frame and a lower frame, and the upper frame and the lower frame are connected through a support beam.
Preferably, the upper frame body and the lower frame body are both rectangular frame bodies formed by connecting cross bars end to end.
Preferably, a positioning plate is arranged between the two adjacent supporting beams; the positioning plate is provided with a notch which is used for being in splicing fit with the cable clamping plate; one end of the steel wire rope is connected with the cross rod of the lower frame body through the elastic part, and the other end of the steel wire rope bypasses the traction wheel and is connected with the cable clamping plate through the elastic part.
Preferably, a limit block is fixedly connected to one side, close to the positioning plate, of the support beam and is used for abutting against and matching with the cable clamping plate.
More preferably, the steel wire rope is provided with a traction sheave wear detection device.
3. Advantageous effects
One or more technical solutions in the present application have at least one or more of the following technical effects:
(1) the utility model provides a simulation experiment table for the working state of a traction sheave, which comprises a fixed bracket, wherein a positioning piece is arranged at a connecting end of the fixed bracket and used for fixing the traction sheave, and the traction sheave is provided with a rope groove for winding a steel wire rope; the cable clamping plate is arranged at the other connecting end of the fixed support and is arranged opposite to the positioning piece, and the cable clamping plate is used for fixing a steel wire rope and is used as a traction sheave experiment and demonstration platform, so that the device is convenient to use in training and examination of maintenance personnel, an elevator which normally operates does not need to be closed, and manpower and material resources are saved;
(2) in the utility model, an included angle of 75 degrees is formed between the cross bar on the lower frame body and the supporting beam, and the cross bar of the upper frame body and the cross bar of the lower frame body and any supporting beam form a trapezoid, so that the gravity center of the whole structure of the fixed support is reduced, the contact area between the lower frame body and the ground is increased, and the stability of the whole device is enhanced;
(3) the steel wire rope is connected with the fixed support through the elastic part, and the length of each steel wire rope cannot be guaranteed to be equal in the actual shearing process of the steel wire rope, so that the tightness of the steel wire rope is possibly different in the actual installation process, and errors occur in actual testing, so that the tightness degree of different steel wire ropes can be basically consistent through the arrangement of the elastic part, and the measurement precision of the whole side of the lifting device is improved;
(4) the traction sheave of the utility model adopts a detachable connection mode, so that traction sheaves with different types and abrasion degrees can be conveniently replaced;
(5) when the hydraulic cylinder is adopted as the support, when the hydraulic cylinder moves upwards, the cable clamping plate slides under the tensile force of the steel wire rope, after the hydraulic cylinder is static, the horizontal direction of the cable clamping plate is parallel to the cross rod and is vertical to the steel wire rope in the vertical direction, so that the traction steel wire rope is ensured to be vertical to the ground, a limiting block is further arranged on one side of the cable clamping plate and forms a leaning fit with the cable clamping plate, and the cable clamping plate does not slide when the traction wheel abrasion detection device is arranged, so that the installation position is deviated;
(6) the utility model discloses simple structure, on the basis of guaranteeing demonstration and teaching effect, simplified elevator traction system's model to the at utmost, on the teaching of traction wheel check out test set application method and demonstration, can vivid show, in the training, it is easy that the trainee is handed, compares traditional training mode, and the device operation is safe, and is easy convenient, is adapted to colleges and universities, institute, special equipment detection institute and elevator equipment manufacturer and uses.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic structural view of a simulation experiment table for operating conditions of a traction sheave of an embodiment of the present invention
Fig. 2 is a schematic structural view of a traction sheave wear detection device according to an embodiment of the present invention.
In the drawings, the names of the components represented by the respective reference numerals are as follows:
1. a positioning member; 11. fixing the disc; 12. a traction wheel shaft; 13. a pedestal bearing; 14. a support; 15. a base connection plate;
2. fixing a bracket; 21. an upper frame body; 22. a support beam; 23. a cable clamping plate; 24. positioning a plate; 25. a lower frame body; 26. an elastic member; 27. a wire rope connector; 28. a limiting block; 210. a cross bar; 251. a fixing plate;
3. a traction sheave;
4. a wire rope;
5. a traction sheave wear detection device; 51. a U-shaped bracket; 511. a side plate; 512. a base plate; 52. pressing a plate; 53. a light source; 54. an industrial camera; 55. a sliding sleeve; 56. and (4) moving the platform.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will also be noted that when an element is referred to as being "secured to" 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," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
It should also be noted that the terms "a," "an," "two," and the like in the description and claims of the present invention and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1, the present embodiment provides a simulation experiment table for operating conditions of a traction sheave, which mainly includes a fixed bracket 2, a positioning member 1, a traction sheave 3, a steel wire rope 4, and a traction sheave wear detection device 5.
And the positioning piece 1 is arranged at one connecting end of the fixed support 2 and used for fixing the traction sheave 3, and the traction sheave 3 is provided with a rope groove for winding the steel wire rope 4. Specifically, the positioning member 1 includes two fixed disks 11 disposed coaxially with the traction sheave 3, a traction sheave shaft 12, and a support 14, and in this embodiment, the fixed disks 11 have a circular plate-shaped structure, and may have other shapes such as an oval shape, a rectangular shape, and the like, which is not limited herein. The middle part of the fixed disc 11 is provided with a connecting hole for the traction wheel shaft 12 to pass through, the periphery of the connecting hole is also provided with a plurality of positioning holes, and the traction wheel 3 and the fixed disc 11 are tightly pressed through the positioning holes by bolts to form an integral structure; the traction sheave 3 is fixedly arranged on the fixed disc 11 through the traction sheave shaft 12, two ends of the traction sheave shaft are arranged on the upper end part of the support 14 through the bearing with a seat 13, and the lower end part of the support 14 is fixed with the end surface of the cross rod 210 on the fixed bracket 2 through the base connecting plate 15.
The fixed support 2 is arranged on the horizontal ground, mainly plays a supporting role, and is used for bearing the traction sheave 3, the steel wire rope 4 and the traction sheave abrasion detection device 5 of the positioning piece 1. Specifically, the fixed bracket 2 is a quadrangular frustum frame structure, and includes an upper frame 21 and a lower frame 25, which are connected by a support beam 22.
In this embodiment, preferably, the upper frame body 21 and the lower frame body 25 are rectangular frame bodies formed by welding the cross bars 210 end to end, wherein the area of the upper frame body 21 is smaller than that of the lower frame body 25, so as to further increase the contact area between the fixed support and the ground and improve the stability of the device, in this embodiment, the support beams 22 are made of standard hollow rectangular steel with the size of 10mm × 8mm × 4mm, and the cross bars are also made of standard hollow rectangular steel with the same size as the support beams; furthermore, the cross bar 210 on the upper frame 21, the cross bar of the lower frame and the supporting beam 22 form an isosceles trapezoid, and through the test of the applicant, it is preferable that the included angle formed between the cross bar on the lower frame 25 and the supporting beam is 75 degrees, so that the arrangement lowers the center of gravity of the overall structure of the fixing bracket, and the stability of the triangle is utilized, thereby improving the stability of the whole device.
In this embodiment, preferably, a positioning plate 24 is installed between two adjacent supporting beams 22, a notch is formed in the positioning plate 24, and is used for being in insertion fit with the cable clamping plate 23, wherein one end of the steel wire rope 4 is fixed with the elastic member 26 through a steel wire rope connector 27, and the elastic member 26 in this embodiment may be a spring, rubber, or the like, which is not limited herein. The elastic member 26 is fixed to the cross bar of the lower frame 25 by the fixing plate 251, and the other end of the wire rope 4 is connected to the cable clamping plate 23 by the elastic member 26. It should be noted that, because the length of each steel wire rope can not be guaranteed to be equal in the actual shearing process of the steel wire ropes, some steel wire ropes are tight and loose possibly in the actual installation process, so that errors occur in the actual test, the tightness degree of different steel wire ropes can be basically consistent through the arrangement of the elastic parts, and the measurement accuracy of the whole side of the lifting device is improved.
Preferably, this embodiment, support 14 can adopt the pneumatic cylinder, and when the pneumatic cylinder upward movement, the clamp cable board receives wire rope 4's pulling force to slide, and static back, clamp cable board 23 horizontal direction is parallel with the horizontal pole, and is perpendicular with wire rope 4 in the vertical direction, guarantees wire rope 4 perpendicular ground, further at clamp cable board 23 one side installation stopper 28, supports with it and leans on the cooperation, further guarantees when installation traction sheave wear detection device 5, and clamp cable board 23 does not produce and slides, makes the mounted position can not take place the deviation.
As shown in fig. 2, the steel wire rope 4 is provided with a traction sheave wear detection device 5, which includes a U-shaped bracket 51, a pressing plate 52, an industrial camera 54, a light source 53, a power source (not shown), a movable platform 56 and a sliding sleeve 55. Specifically, the U-shaped support 51 includes two side plates 511 that set up relatively, and bottom plate 512 with two side plate bottom rigid couplings, bottom plate 512 and two side plate 511 formation cavities, the inboard rigid coupling of side plate has moving platform 56, moving platform 56 includes the U-shaped plate with the inboard rigid coupling of side plate 511, two side rigid couplings of U-shaped plate have the slide bar, the slide bar has the clearance with the bottom of U-shaped plate, the sliding sleeve 55 has been cup jointed on the slide bar, sliding sleeve 55 can make a round trip to slide on the slide bar, the rigid coupling has light source 53 on the sliding sleeve, the light source opposite side is equipped with industrial camera 54, industrial camera 54 can the rigid coupling at bottom plate 512, also can fix on sliding sleeve 55, the power (not drawn) is connected with industrial camera 54 and. The two pressing plates 52 are provided, grooves matched with the steel wire ropes 4 are formed in the pressing plates 52, one of the pressing plates is fixedly connected with the outer side of the side plate 511, the pressing plates and the steel wire ropes are preassembled, and the two pressing plates are fixedly pressed through fastening bolts, so that the traction sheave abrasion detection device 5 is installed. It should be noted that the traction sheave wear detection device 5 is well-known in the art and will not be described herein.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. A simulation experiment table for working conditions of a traction sheave is characterized by comprising:
the fixing bracket is provided with at least two connecting ends;
the positioning piece is arranged at a connecting end of the fixed support and used for fixing the traction sheave, and a rope groove for winding a steel wire rope is formed in the traction sheave; and
and the cable clamping plate is arranged at the other connecting end of the fixed support, the cable clamping plate and the positioning piece are arranged at intervals, and the cable clamping plate is used for fixing the steel wire rope.
2. The traction sheave operating condition simulation experiment table of claim 1, wherein the fixing bracket is a quadrangular frustum frame structure.
3. The traction sheave working condition simulation experiment table according to claim 1, wherein the positioning member comprises two fixing discs, a traction sheave shaft and a support, the two fixing discs are coaxially arranged with the traction sheave, the traction sheave is fixed on the fixing discs through the traction sheave shaft, and the traction sheave shaft is mounted on the support through a bearing with a seat.
4. The traction sheave operating condition simulation experiment table of claim 3, wherein the support is a hydraulic cylinder.
5. The traction sheave operating condition simulation experiment table of claim 2, wherein the fixing bracket comprises an upper frame and a lower frame, and the upper frame and the lower frame are connected by a support beam.
6. The traction sheave working condition simulation experiment table as claimed in claim 5, wherein the upper frame and the lower frame are rectangular frames formed by connecting cross bars end to end.
7. The traction sheave working condition simulation experiment table according to claim 6, wherein a positioning plate is installed between the two adjacent support beams; the positioning plate is provided with a notch which is used for being in splicing fit with the cable clamping plate; one end of the steel wire rope is connected with the cross rod of the lower frame body through the elastic part, and the other end of the steel wire rope bypasses the traction wheel and is connected with the cable clamping plate through the elastic part.
8. The traction sheave working condition simulation experiment table as claimed in claim 7, wherein a limiting block is fixedly connected to one side of the supporting beam close to the positioning plate, and is used for abutting and matching with the cable clamping plate.
9. The traction sheave operating condition simulation experiment table according to any one of claims 1 to 8, wherein a traction sheave wear detection device is installed on the wire rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921866213.7U CN211310477U (en) | 2019-10-31 | 2019-10-31 | Simulation experiment table for working state of traction sheave |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921866213.7U CN211310477U (en) | 2019-10-31 | 2019-10-31 | Simulation experiment table for working state of traction sheave |
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| CN211310477U true CN211310477U (en) | 2020-08-21 |
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| CN201921866213.7U Active CN211310477U (en) | 2019-10-31 | 2019-10-31 | Simulation experiment table for working state of traction sheave |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112797919A (en) * | 2021-01-29 | 2021-05-14 | 广东省特种设备检测研究院珠海检测院 | Three-dimensional size detection method for elevator traction sheave groove |
-
2019
- 2019-10-31 CN CN201921866213.7U patent/CN211310477U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112797919A (en) * | 2021-01-29 | 2021-05-14 | 广东省特种设备检测研究院珠海检测院 | Three-dimensional size detection method for elevator traction sheave groove |
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