CN220148943U - Elevator wire rope tension detection device - Google Patents

Abstract

The utility model relates to the technical field of special equipment, aims to solve the problem of how to improve the stability of measurement of a detection device, and provides an elevator steel wire rope tension detection device. The elevator wire rope tension detection device comprises a frame, a first positioning piece, a second positioning piece, a movable piece, a spiral piece and a limiting piece. The first locating piece and the second locating piece are used for being attached to one side of the steel wire rope, the movable piece is located on one side, opposite to the steel wire rope, of the steel wire rope, and the movable piece is movably arranged between the first locating piece and the second locating piece along the first direction. The screw member is rotatably connected to the frame and connected to the movable member. The locating part is connected in the frame and with screw thread fit, the screw is used for rotating and moving to the position that supports each other with the locating part to make the screw drive the movable part and support and hold wire rope removal fixed distance, consequently wire rope takes place quantitative deformation, is favorable to keeping measuring uniformity, in order to reach the effect that promotes elevator wire rope tension detection device measurement stability.

Description

Elevator wire rope tension detection device

Technical Field

The utility model relates to the technical field of special equipment, in particular to an elevator steel wire rope tension detection device.

Background

The wire rope group in the elevator is an important lifting and bearing component, and in theory, the weight of the elevator should be uniformly distributed to each wire rope in the use process of the elevator, and the stress of each wire rope should be kept uniform and consistent. However, in the actual use process, the stress of each steel wire rope in the steel wire rope group is changed, so that the tension of each steel wire rope needs to be detected and adjusted if necessary.

In the prior art, when the detection device detects the tension of the steel wire rope, the detection device needs to be fixed on a certain section of the steel wire rope, the operation of fixing the detection device is inconvenient, the consistency of operation methods is difficult to maintain, the numerical value measured by the detection device fluctuates, and the problem of poor measurement stability of the detection device exists. How to solve the technical problems is considered by the person skilled in the art.

Disclosure of Invention

The utility model provides an elevator steel wire rope tension detection device, which aims to solve the problem of how to improve the stability of the measurement of the detection device.

The embodiment of the utility model provides an elevator steel wire rope tension detection device which comprises a frame, a first positioning piece, a second positioning piece, a movable piece, a spiral piece and a limiting piece. The first positioning piece is rotatably connected to the frame. The second locating piece with first locating piece interval sets up, and rotate connect in the frame, first locating piece with the second locating piece is used for laminating in one side of wire rope. The movable piece is located the wire rope is opposite to one side of first setting element with the second setting element, and along first direction movably locates between first setting element and the second setting element, first direction is perpendicular to wire rope extension direction. The screw member is rotatably connected to the frame and is connected to the movable member. The limiting piece is connected to the frame and is in threaded fit with the spiral piece, and the spiral piece is used for rotating and moving to a position where the spiral piece abuts against the limiting piece, so that the spiral piece drives the movable piece to abut against the steel wire rope to move for a fixed distance.

Compared with the prior art, the elevator wire rope tension detection device of the embodiment is supported on one side of the wire rope through the first positioning piece and the second positioning piece, the movable piece supports against the other side of the wire rope, the movable piece supports against the position of the wire rope between the first positioning piece and the second positioning piece, the limiting spiral piece moves to the position where the limiting spiral piece supports against each other, so that the moving distance of the spiral piece is a fixed value, the spiral piece supports against the movable piece to move the fixed value along the first direction, the movable piece supports against the wire rope to move the fixed value along the first direction, therefore, the wire rope quantitatively deforms, the elevator wire rope tension detection device detects the tension of one wire rope, and other wire ropes detect by adopting the same quantitative deformation, thereby being beneficial to keeping the consistency of measurement and achieving the effect of improving the measuring stability of the elevator wire rope tension detection device.

In one possible embodiment, the stopper includes a stopper portion corresponding to the screw member in the first direction and detachably abutting against the screw member.

In one possible embodiment, the limiting member further includes a sleeve portion, the sleeve portion is connected to the limiting portion, the sleeve portion is disposed in a circumferential direction of the screw member, and the sleeve portion is in threaded connection with the screw member.

In one possible embodiment, the screw member includes a nut portion, a threaded portion, and a connection portion connected in this order along the first direction, the nut portion corresponds to the limit portion along the first direction, the threaded portion is screwed with the sleeve portion, and a circumferential surface of the connection portion is provided with a ring groove. The movable piece comprises a clamping part, wherein the clamping part protrudes into the annular groove and corresponds to the groove side wall of the annular groove along the first direction.

In one possible embodiment, the elevator wire rope tension detecting device further includes a grip member connected to the nut portion and distributed in a circumferential direction of the nut portion, the grip member extending in a direction away from the nut portion.

In one possible embodiment, the movable member includes a clamping portion rotatably connected with the screw member and a detecting portion connected with the clamping portion and extending toward between the first positioning member and the second positioning member.

In one possible implementation manner, an arc surface is arranged at one end of the detection part, which is far away from the clamping part, and the arc surface is contoured with the circumferential surface of the steel wire rope.

In one possible embodiment, the first positioning member includes a first flange and a second flange, the first flange and the second flange being disposed opposite each other along a diameter direction of the wire rope, the wire rope passing between the first flange and the second flange.

In one possible embodiment, the first positioning member further includes a rotating portion, the first flange and the second flange are respectively connected to two sides of the rotating portion, and the rotating portion is rotatably connected to the frame.

Compared with the prior art, the technical scheme of the utility model has the following beneficial technical effects:

1. the distance that the limiting piece limits the spiral piece to move along the first direction is a fixed value, so that the spiral piece drives the movable piece to prop against the steel wire rope to move along the first direction by a fixed value, the steel wire rope is quantitatively deformed, the tension of one steel wire rope is measured by the elevator steel wire rope tension detection device, and other steel wire ropes are detected by adopting the same quantitative deformation, so that the measurement consistency is maintained, and the effect of improving the measurement stability of the elevator steel wire rope tension detection device is achieved;

2. the limiting part corresponds to the spiral piece along the first direction so as to limit the moving distance of the spiral piece, so that the accuracy of the moving distance of the spiral piece along the first direction is improved, the consistency of measurement of a plurality of steel wire ropes is maintained, and the effect of improving the measurement stability of the elevator steel wire rope tension detection device is achieved;

3. through sleeve portion threaded connection screw to make screw rotate and remove along first direction, promote screw rotation and remove stability, be favorable to keeping many with wire rope measuring uniformity, with the effect that reaches elevator wire rope tension detection device measurement stability.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following description will briefly describe the drawings in the embodiments, it being understood that the following drawings only illustrate some embodiments of the present utility model and should not be considered as limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a perspective view of a hidden cover of an elevator wire rope tension detecting apparatus according to an embodiment of the present utility model;

fig. 2 is a schematic structural view of the elevator wire rope tension detecting apparatus of fig. 1;

fig. 3 is an enlarged partial view of area a of the elevator wire rope tension sensing device of fig. 1;

fig. 4 is a perspective view of another view of the elevator wire rope tension sensing device of fig. 1;

fig. 5 is a cross-sectional view of the elevator rope tension sensing device of fig. 2 taken along line i-i.

Description of main reference numerals:

1. an elevator wire rope tension detection device; 11. a frame; 111. a case body; 112. a first bracket; 1121. a first through hole; 113. a second bracket; 1131. a second through hole; 114. a cover member; 115. an opening; 12. a first positioning member; 121. a first flange; 122. a second flange; 123. a rotating part; 124. a ball bearing; 125. a connecting piece; 13. a second positioning member; 14. a movable member; 141. a clamping part; 142. a shaft sleeve; 143. a convex ring; 144. a detection unit; 145. a cambered surface; 146. a sensor; 147. a push rod; 15. a screw; 151. a nut portion; 152. a threaded portion; 153. a connection part; 154. a ring groove; 155. a groove sidewall; 16. a limiting piece; 161. a limit part; 162. a sleeve portion; 17. a grip; 18. a first direction; 2. a wire rope.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Some embodiments of the utility model are described in detail. The following embodiments and features of the embodiments may be combined with each other without collision.

Examples

Referring to fig. 1 to 5, the present embodiment provides an elevator wire rope tension detecting apparatus 1, which includes a frame 11, a first positioning member 12, a second positioning member 13, a movable member 14, a screw member 15 and a limiting member 16. The first positioning member 12 is rotatably connected to the frame 11. The second positioning piece 13 and the first positioning piece 12 are arranged at intervals and are rotatably connected to the frame 11, and the first positioning piece 12 and the second positioning piece 13 are used for being attached to one side of the steel wire rope 2. The movable member 14 is located at one side of the wire rope 2 opposite to the first positioning member 12 and the second positioning member 13, and is movably disposed between the first positioning member 12 and the second positioning member 13 along a first direction 18, where the first direction 18 is a direction perpendicular to the extension direction of the wire rope 2. The screw 15 is rotatably connected to the frame 11 and to the movable member 14. The limiting piece 16 is connected to the frame 11 and is in threaded fit with the screw piece 15, and the screw piece 15 is used for rotating and moving to a position mutually abutting against the limiting piece 16, so that the screw piece 15 drives the movable piece 14 to abut against the steel wire rope 2 to move for a fixed distance.

According to the elevator wire rope tension detection device 1, the first positioning piece 12 and the second positioning piece 13 are used for supporting one side of the wire rope 2, the movable piece 14 is used for supporting the other side of the wire rope 2, the movable piece 14 is used for supporting the wire rope 2 at the position between the first positioning piece 12 and the second positioning piece 13, the limiting piece 16 is used for limiting the spiral piece 15 to move to the position where the limiting piece 16 supports each other, so that the moving distance of the spiral piece 15 is a fixed value, the spiral piece 15 supports the movable piece 14 to move the fixed value along the first direction 18, the movable piece 14 supports the wire rope 2 to move the fixed value along the first direction 18, therefore, the wire rope 2 quantitatively deforms, the elevator wire rope tension detection device 1 detects the tension of one wire rope 2, and other wire ropes 2 adopt the same quantitative deformation for detection, so that the consistency of measurement is maintained, and the effect of improving the measuring stability of the elevator wire rope tension detection device 1 is achieved.

In this embodiment, the rack 11 includes a box 111, a cover 114, a first bracket 112 and a second bracket 113, where the first bracket 112 and the second bracket 113 are connected to a side surface of the box 111, the first bracket 112 and the second bracket 113 extend out of the surface of the box 111 along a first direction 18 by a suitable length, a first positioning member 12 is disposed at an end of the first bracket 112 extending, and a second positioning member 13 is disposed at an end of the second bracket 113 extending, so that the wire rope 2 passes between the box 111 and the first positioning member 12 and between the box 111 and the second positioning member 13. The box 111 has an opening 115, the cover 114 is matched with the opening 115 of the box 111, and the screw 15 and the movable member 14 are arranged in the box 111, so that the cover 114 covers the box 111 to be closed, or the cover 114 is separated from the box 111 to expose the screw 15 and the movable member 14.

As shown in fig. 2, in one possible embodiment, the limiting member 16 includes a limiting portion 161, and the limiting portion 161 corresponds to the screw member 15 along the first direction 18 and is detachably abutted with the screw member 15.

In the present embodiment, the limiting member 16 is disposed on a side of the case 111 opposite to the movable member 14, and it is understood that the case 111 is disposed between the limiting member 16 and the movable member 14. The limiting portion 161 is fixedly connected to the box 111, the screw 15 moves along the first direction 18 relative to the limiting portion 161, when the screw 15 moves towards the wire rope 2 by a certain distance, the screw 15 and the limiting portion 161 abut against each other, and the limiting portion 161 prevents the screw 15 from continuing to move towards the wire rope 2, so that the distance of the movement of the screw 15 towards the wire rope 2 is a fixed value.

The elevator wire rope tension detecting device 1 corresponds to the screw 15 along the first direction 18 through the limiting part 161 so as to limit the moving distance of the screw 15, and the accuracy of the moving distance of the screw 15 along the first direction 18 is improved, so that the consistency of the measurement of the plurality of wires 2 is maintained, and the measurement stability of the elevator wire rope tension detecting device 1 is improved.

In one possible embodiment, the limiting member 16 further includes a sleeve portion 162, the sleeve portion 162 is connected to the limiting portion 161, the sleeve portion 162 is disposed in a circumferential direction of the screw member 15, and the sleeve portion 162 is screwed to the screw member 15.

In this embodiment, the sleeve portion 162 has an internal thread extending along the first direction 18, by means of which the sleeve portion 162 is screwed with the screw element 15. The screw 15 rotates relative to the sleeve portion 162 and moves in the first direction 18 to promote stability of the screw 15 in the screw rotation and movement, which is advantageous for maintaining consistency of measurement of the plurality of wires 2 to promote stability of measurement of the elevator wire tension detecting apparatus 1.

In other embodiments, the limiting member 16 may further include a bushing, where the screw member 15 is screwed to the bushing, and the bushing is fixed to the case 111, which is not limited by the present utility model.

As shown in fig. 3, in one possible embodiment, the screw 15 includes a nut portion 151, a threaded portion 152 and a connecting portion 153 sequentially connected along the first direction 18, the nut portion 151 corresponds to a limit portion 161 along the first direction 18, the threaded portion 152 is in threaded connection with a sleeve portion 162, and a circumferential surface of the connecting portion 153 is provided with a ring groove 154. The movable member 14 includes a clamping portion 141, and the clamping portion 141 protrudes into the ring groove 154 and corresponds to the groove sidewall 155 of the ring groove 154 along the first direction 18.

In this embodiment, the clamping portion 141 includes a sleeve 142 and a protruding ring 143, the sleeve 142 is sleeved on the circumference of the connecting portion 153, the protruding ring 143 is connected to the sleeve 142 and extends into the annular groove 154 along the radial direction of the screw 15, and the protruding ring 143 is used for limiting the relative movement of the screw 15 and the movable member 14 along the first direction 18. So configured, the connecting portion 153 is rotatably connected with the clamping portion 141, so that the movable member 14 does not rotate during rotation of the screw member 15, and the screw member 15 drives the movable member 14 to move along the first direction 18 during movement.

In one possible embodiment, the movable member 14 further includes a detecting portion 144 rotatably connected to the screw member 15, and the detecting portion 144 is connected to the detecting portion 141 and extends toward between the first positioning member 12 and the second positioning member 13.

In the present embodiment, the detecting portion 144 includes a sensor 146 and a jack 147. The sensor 146 is arranged on the box body 111, one end of the sensor 146 is connected with the shaft sleeve 142, and the other end is connected with the ejector rod 147. The ejector rod 147 extends from the sensor 146 along the first direction 18 towards the position between the first positioning member 12 and the second positioning member 13, and the ejector rod 147 is used for supporting the wire rope 2 to move along the first direction 18 by a fixed distance. The ejector rod 147 is subjected to the reaction force of the steel wire rope 2, and the ejector rod 147, the sensor 146 and the screw 15 are arranged on the same straight line, so that the reaction force is transmitted along the first direction 18, and the tension value of the steel wire rope 2 measured by the sensor 146 is stable and accurate.

Optionally, the elevator rope tension detecting apparatus 1 further comprises a display (not shown) embedded in the cover 114, the display being electrically connected to the sensor 146 for displaying the tension value of the rope 2. The ejector rod 147 moves a fixed distance, so that after the steel wire ropes 2 are quantitatively deformed, the tension value on the display is directly read, then other steel wire ropes 2 are sequentially tested, and whether the tension born by each steel wire rope 2 is stressed uniformly is compared.

As shown in fig. 4 and fig. 5, in one possible embodiment, an end of the detecting portion 144 away from the clamping portion 141 is provided with an arc surface 145, and the arc surface 145 is contoured to the circumferential surface of the wire rope 2.

In one possible embodiment, the elevator wire rope tension detecting apparatus 1 further includes a grip 17, the grip 17 being connected to the nut portion 151 and distributed in a circumferential direction of the nut portion 151, the grip 17 extending in a direction away from the nut portion 151.

In the present embodiment, a plurality of gripping members 17 are provided, and a plurality of gripping members 17 are provided at intervals, and a rotational torque is applied to the gripping members 17 to rotate the nut portion 151. The elevator wire rope tension detecting device 1 is convenient to operate by the aid of the holding piece 17, so that the rotation of the screw piece 15 is labor-saving, and the stability of the elevator wire rope tension detecting device 1 is improved.

In one possible embodiment, the first positioner 12 includes a rotating portion 123, a first flange 121, a second flange 122, a ball bearing 124, and a connecting member 125. The first flange 121 and the second flange 122 are disposed opposite to each other along the diameter direction of the wire rope 2, and the wire rope 2 passes between the first flange 121 and the second flange 122.

In one possible embodiment, the first flange 121 and the second flange 122 are respectively connected to both sides of the rotating portion 123, and the rotating portion 123 is rotatably connected to the frame 11.

In this embodiment, the first positioning member 12 and the second positioning member 13 have the same shape, and are symmetrically distributed on both sides of the ejector 147 along the line where the ejector 147 is located. The first locating piece 12 and the second locating piece 13 are made of brass H12, so that friction force between the first locating piece and the steel wire rope 2 is reduced, influence of friction force on tension of the steel wire rope 2 is reduced, and stability of measurement of the elevator steel wire rope tension detection device 1 is improved.

Alternatively, the connection 125 may be a screw. The rotation portion 123 is hollow and has a through hole, the ball bearing 124 is provided in the through hole, an outer ring surface of the ball bearing 124 is connected to an inner surface of the rotation portion 123, an inner ring surface of the ball bearing 124 is connected to a circumferential surface of the link 125, and the link 125 is connected to the first bracket 112 such that the rotation portion 123 is rotatably connected to the first bracket 112.

The first bracket 112 is provided with a plurality of first through holes 1121, the plurality of first through holes 1121 are distributed at different positions of the first bracket 112 along the first direction 18, and the first positioning member 12 is rotatably connected to the first bracket 112 through the first through holes 1121. The second bracket 113 is provided with a plurality of second through holes 1131, the plurality of second through holes 1131 are distributed at different positions of the second bracket 113 along the first direction 18, and the second positioning member 13 is rotatably connected to the second bracket 113 through the second through holes 1131. When the diameters of the steel wire ropes 2 are different, the first positioning piece 12 is matched to the first through holes 1121 at different positions to change the distance between the first positioning piece 12 and the cambered surface 145 along the first direction 18, and the second positioning piece 13 is matched to the second through holes 1131 at different positions to change the distance between the second positioning piece 13 and the cambered surface 145 along the first direction 18, so that the steel wire ropes 2 with different diameters are adapted. For example, when the wire rope 2 is thick, the first positioning member 12 is connected to the position of the first through hole 1121 on the rightmost side of the first bracket 112, and the second positioning member 13 is connected to the position of the second through hole 1131 on the rightmost side of the second bracket 113, so that the wire rope 2 is placed between the first positioning member 12 and the jack 147, and between the second positioning member 13 and the jack 147.

In summary, in the elevator wire rope tension detecting apparatus 1 of this embodiment, the first positioning member 12 and the second positioning member 13 support the elevator wire rope tension detecting apparatus 1 on one side of the wire rope 2, the ejector rod 147 supports the other side of the wire rope 2, the ejector rod 147 supports the wire rope 2 between the first positioning member 12 and the second positioning member 13, the limit nut portion 151 is limited by the limit portion 161 to move to a position where the limit portion 161 supports each other, so that the distance moved by the thread portion 152 is a fixed value, the connecting portion 153 supports the movable member 14 to move a fixed value along the first direction 18, the ejector rod 147 supports the wire rope 2 to move a fixed value along the first direction 18, so that the wire rope 2 quantitatively deforms, the elevator wire rope tension detecting apparatus 1 detects the tension of one wire rope 2, and other wire ropes 2 detect by adopting the same quantitative deformation, which is beneficial to maintain the consistency of measurement, so as to improve the stability of the elevator wire rope tension detecting apparatus 1.

The above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the above preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model.

Claims (9)

1. An elevator wire rope tension detection device, characterized by comprising:

a frame;

the first positioning piece is rotationally connected to the frame;

the second positioning piece is arranged at intervals with the first positioning piece and is rotationally connected to the frame, and the first positioning piece and the second positioning piece are used for being attached to one side of the steel wire rope;

the movable piece is positioned at one side of the steel wire rope opposite to the first positioning piece and the second positioning piece, and is movably arranged between the first positioning piece and the second positioning piece along a first direction, and the first direction is a direction perpendicular to the extension direction of the steel wire rope;

the screw piece is rotatably connected with the frame and is connected with the movable piece;

the limiting piece is connected to the frame and is in threaded fit with the spiral piece, and the spiral piece is used for rotating and moving to a position where the spiral piece abuts against the limiting piece, so that the spiral piece drives the movable piece to abut against the steel wire rope to move for a fixed distance.

2. The elevator wire rope tension sensing device of claim 1, wherein:

the limiting piece comprises a limiting portion, wherein the limiting portion corresponds to the spiral piece along the first direction and is detachably abutted with the spiral piece.

3. The elevator wire rope tension sensing device of claim 2, wherein:

the limiting piece further comprises a sleeve portion, the sleeve portion is connected with the limiting portion, the sleeve portion is arranged on the circumference of the spiral piece, and the sleeve portion is in threaded connection with the spiral piece.

4. The elevator wire rope tension sensing device of claim 3, wherein:

the screw piece comprises a nut part, a thread part and a connecting part which are sequentially connected along the first direction, the nut part corresponds to the limiting part along the first direction, the thread part is in threaded connection with the sleeve part, and an annular groove is formed in the peripheral surface of the connecting part;

the movable piece comprises a clamping part, wherein the clamping part protrudes into the annular groove and corresponds to the groove side wall of the annular groove along the first direction.

5. The elevator wire rope tension sensing device of claim 4, further comprising:

and a grip member connected to the nut portion and distributed in a circumferential direction of the nut portion, the grip member extending in a direction away from the nut portion.

6. The elevator wire rope tension sensing device of claim 1, wherein:

the movable piece comprises a clamping part and a detection part, wherein the clamping part is rotatably connected with the spiral piece, and the detection part is connected with the clamping part and extends towards the position between the first positioning piece and the second positioning piece.

7. The elevator wire rope tension sensing device of claim 6, wherein:

and one end of the detection part, which is far away from the clamping part, is provided with an arc surface, and the arc surface is contoured with the circumferential surface of the steel wire rope.

8. The elevator wire rope tension sensing device of claim 1, wherein:

the first locating piece comprises a first flange and a second flange, the first flange and the second flange are oppositely arranged along the diameter direction of the steel wire rope, and the steel wire rope passes through between the first flange and the second flange.

9. The elevator wire rope tension sensing device of claim 8, wherein:

the first positioning piece further comprises a rotating part, the first flange and the second flange are respectively connected to two sides of the rotating part, and the rotating part is rotatably connected to the frame.