CN220230781U

CN220230781U - Steel wire rope tension dynamometer for elevator inspection and detection

Info

Publication number: CN220230781U
Application number: CN202321985883.7U
Authority: CN
Inventors: 王晨
Original assignee: Shanghai Special Equipment Supervision and Inspection Technology Institute
Current assignee: Shanghai Special Equipment Supervision and Inspection Technology Institute
Priority date: 2023-07-26
Filing date: 2023-07-26
Publication date: 2023-12-22
Anticipated expiration: 2033-07-26

Abstract

The utility model provides a steel wire rope tension dynamometer for elevator inspection and detection, which comprises a dynamometer frame, a limiting mechanism, a clamping mechanism and a detection mechanism, wherein the limiting mechanism comprises a groove block and a U-shaped plate which are fixed at two ends of the dynamometer frame; the detection mechanism comprises a mounting plate fixedly mounted on one side of the force measuring frame, and a tension sensor is fixed on one side of the mounting plate, which is close to the force measuring frame. The limiting mechanism and the clamping mechanism can limit ropes with different thicknesses, so that the ropes are prevented from being deviated, and the applicability of the device is improved. The rope is limited through the U-shaped plate and the groove block, and is clamped by the second fixing plate and the first fixing plate, so that the rope clamping device can be suitable for ropes with different thicknesses.

Description

Steel wire rope tension dynamometer for elevator inspection and detection

Technical Field

The utility model relates to the technical field of elevator detection equipment, in particular to a steel wire rope tension dynamometer for elevator detection.

Background

The elevator digital display dynamometer is mainly used for testing the tension of an elevator traction steel wire rope, and in the processes of elevator installation, acceptance and annual inspection, the tension of each steel wire rope is adjusted as much as possible through the test and the adjustment of the tension of each steel wire rope, so that the service life of a traction wheel is prolonged, and the elevator steel wire rope runs stably.

The prior patent (application number: 201720802697.3) discloses a remote-control elevator rope tension tester, which can enable ropes to be further sleeved in grooves of a bearing frame, and the ropes are pushed at a constant speed by using a machine to detect the tension of the ropes. However, the following problems are found in the prior art in the implementation process: according to the technical scheme, the lock catch is used for limiting the rope to prevent the rope from being deviated, but when the ropes with different specifications are detected, the lock catch can only limit the rope with the fixed specification due to different thickness degrees of the ropes with different specifications, when the rope is too thin, the rope can shake and further deviate, when the rope is too thick, the lock catch cannot be combined together, so that the ropes cannot be limited, and the problem of low applicability exists. Therefore, it is necessary to provide a wire rope tension dynamometer for elevator inspection and detection in order to solve the above-mentioned problems.

Disclosure of Invention

The utility model aims to provide a steel wire rope tension dynamometer for elevator inspection and detection, which can limit ropes with different thicknesses, avoid the deviation of the ropes and further improve the applicability of the device.

According to the purpose of the utility model, the utility model provides a steel wire rope tension dynamometer for elevator inspection and detection, which comprises a dynamometer frame, a limiting mechanism, a clamping mechanism and a detection mechanism, wherein the limiting mechanism comprises a groove block and a U-shaped plate which are fixed at two ends of the dynamometer frame, the U-shaped plate can be inserted into the groove block, the clamping mechanism comprises a first fixing plate and a second fixing plate, the first fixing plate is fixed on the surface of the dynamometer frame, a threaded column is rotatably connected inside the dynamometer frame, and the surface of the threaded column is in threaded connection with the second fixing plate; the detection mechanism comprises a mounting plate fixedly mounted on one side of the force measuring frame, a threaded rod is rotatably connected to the inner wall of the mounting plate, a sliding block is connected to the surface of the threaded rod in a threaded mode, a second pulley is rotatably connected to the inner side of the sliding block, and a tension sensor is fixed to one side, close to the force measuring frame, of the mounting plate.

Further, the force measuring frame is made of an aluminum alloy material.

Further, the inside rotation of recess piece is connected with first pulley, the both ends of recess piece are equipped with the square groove respectively, the both ends of U template are inserted respectively two in the square groove.

Further, a contraction spring is fixed in one square groove, one end of the contraction spring is fixedly connected with the bottom of the square groove, and the other end of the contraction spring is fixedly connected with one end of the U-shaped plate.

Further, the inner wall of the other end of the U-shaped plate is provided with a compression spring, one end of the compression spring is fixed with a round rod, the outer end of the round rod is fixed with a trapezoid block, and a limit groove matched with the trapezoid block is formed in the side wall of the square groove.

Further, one inclined surface of the trapezoid block is arranged towards the force measuring frame.

Further, the inner wall of the U-shaped plate is rotatably connected with balls.

Further, the number of the clamping mechanisms is two, the two clamping mechanisms are respectively arranged on the inner sides of the force measuring frame, and the two groups of clamping mechanisms are respectively arranged on the inner sides of the two groove blocks.

Further, a display for displaying the tension value is fixed on the upper surface of the force measuring frame, and the display is connected with the tension sensor.

Further, one end fixedly connected with gear wheel of threaded rod, the mounting panel is kept away from one side rotation of dynamometry frame is connected with the pinion, the gear wheel with the pinion meshes mutually, the surface of pinion is provided with the handle.

According to the technical scheme, the limiting mechanism and the clamping mechanism can limit ropes with different thicknesses, so that the ropes are prevented from being deviated, and the applicability of the device is improved. The rope is limited through the U-shaped plate and the groove block, and is clamped by the second fixing plate and the first fixing plate, so that the rope clamping device can be suitable for ropes with different thicknesses.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a groove block according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of a partial enlarged structure at A in FIG. 2 according to an embodiment of the present utility model;

fig. 4 is a schematic structural view of a second fixing plate according to an embodiment of the present utility model.

In the figure: 1. a force measuring rack; 2. a groove block; 3. a first pulley; 4. a retraction spring; 5. a U-shaped plate; 6. a compression spring; 7. a round bar; 8. a trapezoid block; 9. a ball; 10. a mounting plate; 11. a threaded rod; 12. a sliding block; 13. a second pulley; 14. a tension sensor; 15. a large gear; 16. a pinion gear; 17. a first fixing plate; 18. a threaded column; 19. a second fixing plate; 20. a display.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should 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", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. Furthermore, the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1

As shown in figures 1-4 of the drawings,

the utility model provides an elevator inspection detects and uses wire rope tension dynamometer, includes dynamometer frame 1, and dynamometer frame 1 is made by aluminum alloy material, and dynamometer frame 1's inboard surface is provided with stop gear and detection mechanism respectively, and wherein, stop gear includes two recess pieces 2 and U template 5 at dynamometer frame 1 both ends of fixed mounting respectively, and the inside rotation of recess piece 2 is connected with first pulley 3, and the both ends of recess piece 2 are equipped with the square groove respectively, and two square inslot are inserted respectively at the both ends of U template 5. A contraction spring 4 is fixed in one square groove of the groove block 2, one end of the contraction spring 4 is fixedly connected with the bottom of the square groove, and the other end of the contraction spring 4 is fixedly connected with one end of the U-shaped plate 5; the inner wall of the other end of U template 5 is provided with compression spring 6, and compression spring 6's one end is fixed with round bar 7, and round bar 7's outer end is fixed with trapezoidal piece 8, has seted up the spacing groove with trapezoidal piece 8 looks adaptation on the lateral wall in square groove, in order to make trapezoidal piece 8 get into the spacing inslot smoothly, the one side of trapezoidal piece 8 slope is towards the direction of dynamometry frame 1. The inner wall rotation of U template 5 is connected with ball 9, and after ball 9 pressed from both sides tight rope, trapezoidal piece 8 can get into the spacing inslot under compression spring 6 elasticity effect, and trapezoidal piece 8 can fix U template 5, prevents that U template 5 from appearing rocking the condition.

The limiting mechanism further comprises two groups of limiting clamping plates, the two groups of limiting clamping plates are respectively arranged on the inner sides of the force measuring frame 1, the two groups of limiting clamping plates are respectively arranged on the inner sides of the two groove blocks 2, each group of limiting clamping plates comprises a first fixing plate 17 and a second fixing plate 19, the first fixing plates 17 are fixed on the surface of the force measuring frame 1, threaded columns 18 are rotatably connected to the inner parts of the force measuring frame 1, the second fixing plates 19 are in threaded connection with the surfaces of the threaded columns 18, and the second fixing plates 19 can be driven to move up and down through rotation of the threaded columns 18 so as to adjust the distance between the first fixing plates 17 and the second fixing plates 19, and accordingly steel ropes are clamped through the first fixing plates 17 and the second fixing plates 19.

According to the utility model, ropes with different thicknesses can be limited through the groove blocks 2, the U-shaped plates 5 and the two groups of limiting clamping plates, so that the ropes are prevented from being deviated, the applicability of the device is improved, and the device specifically comprises the following operation steps: when the novel rope clamp is used, firstly, the steel wire rope is placed on the groove block 2 and the first fixing plate 17, then the U-shaped plate 5 is loosened, the U-shaped plate 5 can drive the ball 9 to move towards the rope and limit the rope under the action of the elasticity of the shrinkage spring 4, then the threaded column 18 is rotated, the threaded column 18 can drive the second fixing plate 19 to move downwards until the rope is clamped, and as the ball 9 and the second fixing plate 19 can all move according to actual conditions, the novel rope clamp can be suitable for ropes with different thicknesses.

The detection mechanism comprises a mounting plate 10 fixedly arranged on one side of the force measuring frame 1, a threaded rod 11 is rotatably connected to the inner wall of the mounting plate 10, a sliding block 12 is in threaded connection with the surface of the threaded rod 11, a second pulley 13 is rotatably connected to the inner side of the sliding block 12, a tension sensor 14 is fixed to one side of the mounting plate 10, close to the force measuring frame 1, a display 20 used for displaying tension values is fixed to the upper surface of the force measuring frame 1, and the display 20 is connected with the tension sensor 14.

One end of the threaded rod 11 is fixedly connected with a large gear 15, one side of the mounting plate 10 far away from the force measuring frame 1 is rotatably connected with a small gear 16, the large gear 15 is meshed with the small gear 16, and a handle is arranged on the surface of the small gear 16. When in use, the pinion 16 is rotated by the handle, the pinion 16 can drive the large gear 15 to rotate, the large gear 15 can drive the threaded rod 11 to rotate, the rotating threaded rod 11 can drive the sliding block 12 to move towards the tension sensor 14, and when the tension sensor 14 finishes detection, the detected numerical value can be displayed on the display 20.

According to the utility model, the threaded rod 11, the sliding block 12, the large gear 15 and the small gear 16 are arranged, and the small gear 16 drives the large gear 15 to rotate, so that a labor-saving lever can be realized, and the function of saving labor can be realized.

The working process of the utility model is as follows:

firstly, a rope is placed on a groove block 2 and a first fixing plate 17 which are parallel to a mounting plate 10, then a U-shaped plate 5 is loosened, the U-shaped plate 5 can drive a ball 9 to move towards the rope and limit the rope under the action of the elasticity of a contraction spring 4, after the ball 9 clamps the rope, a trapezoid block 8 can enter a limit groove under the action of the elasticity of a compression spring 6, the trapezoid block 8 can fix the U-shaped plate 5, the U-shaped plate 5 is prevented from shaking, then a threaded column 18 is rotated, the threaded column 18 can drive a second fixing plate 19 to move downwards until the rope is clamped, finally, a pinion 16 is rotated by a handle, a large gear 15 is driven to rotate by the pinion 16, a threaded rod 11 is driven to rotate by the large gear 15, a sliding block 12 is driven to move towards a tension sensor 14 by the rotating threaded rod 11, and when the tension sensor 14 finishes detection, the detected numerical value can be displayed on a display 20, and detection is completed.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims

1. The steel wire rope tension dynamometer for elevator inspection and detection is characterized by comprising a dynamometer frame, a limiting mechanism, a clamping mechanism and a detection mechanism, wherein the limiting mechanism comprises a groove block and a U-shaped plate which are fixed at two ends of the dynamometer frame, the U-shaped plate can be inserted into the groove block, the clamping mechanism comprises a first fixing plate and a second fixing plate, the first fixing plate is fixed on the surface of the dynamometer frame, a threaded column is rotationally connected inside the dynamometer frame, and the surface of the threaded column is in threaded connection with the second fixing plate; the detection mechanism comprises a mounting plate fixedly mounted on one side of the force measuring frame, a threaded rod is rotatably connected to the inner wall of the mounting plate, a sliding block is connected to the surface of the threaded rod in a threaded mode, a second pulley is rotatably connected to the inner side of the sliding block, and a tension sensor is fixed to one side, close to the force measuring frame, of the mounting plate.

2. The wire rope tension force gauge for elevator inspection and detection according to claim 1, wherein the force measuring frame is made of an aluminum alloy material.

3. The steel wire rope tension dynamometer for elevator inspection and detection according to claim 1, characterized in that the inside of the groove block is rotatably connected with a first pulley, both ends of the groove block are respectively provided with square grooves, and both ends of the U-shaped plate are respectively inserted into the two square grooves.

4. The wire rope tension dynamometer for elevator inspection and detection according to claim 3, wherein a contraction spring is fixed in one square groove, one end of the contraction spring is fixedly connected with the bottom of the square groove, and the other end of the contraction spring is fixedly connected with one end of the U-shaped plate.

5. The steel wire rope tension dynamometer for elevator inspection and detection according to claim 4, characterized in that a compression spring is arranged on the inner wall of the other end of the U-shaped plate, a round rod is fixed at one end of the compression spring, a trapezoid block is fixed at the outer end of the round rod, and a limit groove matched with the trapezoid block is formed in the side wall of the square groove.

6. The wire rope tension force gauge for elevator inspection and detection according to claim 5, wherein the inclined surface of the trapezoidal block is disposed toward the force measuring frame.

7. The wire rope tension dynamometer for elevator inspection and detection according to claim 1, characterized in that balls are rotatably connected to the inner wall of the U-shaped plate.

8. The wire rope tension dynamometer for elevator inspection and detection according to claim 1, wherein the number of the clamping mechanisms is two, the two clamping mechanisms are respectively arranged on the inner sides of the force measuring frame, and the two groups of clamping mechanisms are respectively arranged on the inner sides of the two groove blocks.

9. The wire rope tension dynamometer for elevator inspection and detection according to claim 1, characterized in that a display for displaying a tension value is fixed on an upper surface of the dynamometer frame, and the display is connected with the tension sensor.

10. The wire rope tension dynamometer for elevator inspection and detection according to claim 1, characterized in that one end of the threaded rod is fixedly connected with a large gear, one side of the mounting plate away from the force measuring frame is rotatably connected with a small gear, the large gear is meshed with the small gear, and a handle is arranged on the surface of the small gear.