Centralized winding device of back-mounted electromagnetic elastic cable force sensor

Abstract

The utility model discloses a central winding device of a rear-mounted electromagnetic elastic cable force sensor, which belongs to the technical field of cable force monitoring and comprises a fixed cylinder fixedly sleeved on a steel strand and coaxial with the steel strand, a driving device is fixedly arranged on the fixed cylinder, and an output shaft of the driving device is provided with a driving gear; the driven gear rotationally sleeves the steel strand, is matched with the limiting hole of the fixed cylinder through the limiting cylinder, and is provided with a first connecting piece; the second centering device rotationally sleeves the steel strand, and is provided with a second connecting piece; and the tubular coil shaft body is positioned between the two and is buckled and connected with the connecting piece for winding the coil. The device further comprises a coil counting device and the like. Components such as the fixed cylinder body are designed in a split mode and are connected through hinges, screws and the like. According to the device, the coil shaft body and the steel strand are coaxial during winding, the detection accuracy of the back-mounted electromagnetic elastic cable force sensor is improved, the detachability is good, and the field monitoring requirement is met.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable force monitoring technical field, especially a kind of center winding device of rear-mounted electromagnetic elastic cable force sensor. BACKGROUND

[0002] With the vigorous development of bridge construction in China, the operation and maintenance of existing buildings and the demand for cable force monitoring are increasing. In field monitoring work, higher requirements are put forward for the performance of electromagnetic elastic cable force sensor, which is embodied in two key aspects: first, it needs to have higher mobility assembly, which requires to improve the detachability of rear-mounted device;Second, it needs to ensure measurement accuracy, which is closely related to the relative position of the device and the detected object.

[0003] At present, the traditional electromagnetic elastic cable force sensor has certain limitations in manufacturing process. The coil shaft body of the traditional electromagnetic elastic cable force sensor is cylindrical in shape, and its manufacturing process is usually to fix the coil shaft body on the rotating shaft to rotate, so as to wind the copper wire around the coil shaft body. However, in actual operation process, if the coil shaft body is not centered, eccentric rotation will occur. This eccentric rotation not only damages the rotating shaft, but also damages the winding equipment over a long period of time, affects the normal use and service life of the equipment, increases the production cost and maintenance cost. On the other hand, for rear-mounted electromagnetic elastic cable force sensor, the field winding work is relatively complex. Compared with the complexity of field winding, the position of the sensor relative to the detected object has a more significant impact on the detection result.

[0004] However, in the existing cable force monitoring field, there is no device that can simultaneously solve the problems of non-centering of coil shaft body in winding process and the position relationship between sensor and detected object. This limits the performance improvement and wide application of magnetic elastic cable force sensor to some extent, and cannot meet the increasing demand for bridge construction operation and maintenance and cable force monitoring. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a kind of center winding device of rear-mounted electromagnetic elastic cable force sensor to solve the problems existing in the prior art, realize the coaxial of coil shaft body and steel strand when winding, and further improve the accuracy of rear-mounted electromagnetic elastic cable force sensor detection.

[0006] To achieve the above purpose, the utility model provides the following scheme:

[0007] The utility model provides a kind of center winding device of rear-mounted electromagnetic elastic cable force sensor, comprising:

[0008] The first centering device comprises a fixed cylinder which is fixedly sleeved on the steel strand where the rear-mounted electromagnetic elastic cable force sensor is installed and coaxial with the steel strand;

[0009] The driving device is fixedly arranged on the fixed cylinder, and a driving gear is fixedly arranged on an output shaft of the driving device;

[0010] The driven gear is rotatably sleeved on the steel strand, a limiting cylinder coaxial with the driven gear is fixedly arranged on one side of the driven gear close to the fixed cylinder, the fixed cylinder is provided with a limiting hole coaxial with the steel strand corresponding to the limiting cylinder, the limiting cylinder extends into the limiting hole, and the outer diameter of the limiting cylinder is equal to the hole diameter of the limiting hole, and a first connecting piece is arranged on the other side of the gear;

[0011] The second centering device comprises a rotating connecting cylinder rotatably sleeved on the steel strand, the rotating connecting cylinder is coaxial with the steel strand, and a second connecting piece is fixedly arranged on one end of the rotating connecting cylinder close to the first connecting piece;

[0012] The coil shaft body is tubular, is sleeved on the steel strand, is located between the driven gear and the second centering device, and is connected with the first connecting piece on one end and with the second connecting piece on the other end, and is used for winding coils.

[0013] Preferably, the fixed cylinder comprises a first sub-cylinder and a second sub-cylinder, both of which are semicircular cylinders, one side of the first sub-cylinder is hingedly connected with one side of the second sub-cylinder, and the other side of the first sub-cylinder is detachably connected with the other side of the second sub-cylinder;

[0014] The limiting hole is divided into a first sub-hole and a second sub-hole, the first sub-hole is arranged on the first sub-cylinder, and the second sub-hole is arranged on the second sub-cylinder.

[0015] Preferably, the first centering device further comprises a filling fastener and at least two first centering bolts, the filling fastener comprises a first fastener and a second fastener, the filling fastener is circular-cylindrical, the first fastener and the second fastener are both semicircular-cylindrical, the first fastener is detachably connected with the second fastener, and the filling fastener is fixedly sleeved on the steel strand; the fixed cylinder is provided with a containing cavity corresponding to the filling fastener, and the filling fastener is located in the containing cavity;

[0016] The first centering bolts are evenly spaced along the circumference of the fixing cylinder, the length direction of the first centering bolts is along the radial direction of the fixing cylinder, the first centering bolts pass through the side wall of the fixing cylinder and are screwed with the fixing cylinder, and the end of the first centering bolts extending into the fixing cylinder abuts against the side wall of the filling buckle.

[0017] Preferably, the first sub-cylinder is connected to the side of the second sub-cylinder away from the hinge through a first screw.

[0018] Preferably, the coil counting device is further included for counting the number of turns of the coil shaft, the first centering device or the driven gear.

[0019] Preferably, the driven gear includes a first half gear and a second half gear, the first half gear is detachably connected with the second half gear; the limiting cylinder is divided into a first half cylinder and a second half cylinder, the first connecting member is divided into a first connecting part and a second connecting part, the first half cylinder and the first connecting part are respectively fixedly connected with the first half gear, the second half cylinder and the second connecting part are respectively fixedly connected with the second half gear, the first half cylinder and the second half cylinder can be spliced into the limiting cylinder, and the first connecting part and the second connecting part can be spliced into the first connecting member.

[0020] Preferably, the driven gear is rotatably matched with the steel strand through a first split type bearing, the inner ring of the first split type bearing is fixedly sleeved on the steel strand, and the outer ring of the first split type bearing is clamped with the inner wall of the driven gear.

[0021] Preferably, the rotary connecting cylinder is rotatably matched with the steel strand through a second split type bearing, the inner ring of the second split type bearing is fixedly sleeved on the steel strand, and the outer ring of the second split type bearing is clamped with the inner wall of the rotary connecting cylinder.

[0022] Preferably, the rotary connecting cylinder is divided into two halves along the axial direction, and the two halves of the rotary connecting cylinder are detachably connected.

[0023] The second centering device further includes a centering cylinder sleeved on the rotary connecting cylinder, the centering cylinder includes a first centering half cylinder and a second centering half cylinder, the first centering half cylinder is connected with the second centering half cylinder through a second screw, the first centering half cylinder and the second centering half cylinder are respectively screwed with second centering bolts, the length direction of the second centering bolts is along the radial direction of the centering cylinder, and the end of the second centering bolts extending into the centering cylinder abuts against the outer wall of the rotary connecting cylinder.

[0024] Preferably, the coil shaft body is divided into a third half cylinder and a fourth half cylinder in the axial direction, and the third half cylinder and the fourth half cylinder are fixed by a binding line after being spliced into the coil shaft body.

[0025] The utility model discloses relative to prior art has obtained following technical effect:

[0026] The center winding device of the rear-mounted electromagnetic elastic cable force sensor of the utility model is coaxial with the steel strand through the fixed cylinder of the first centering device and the limiting hole cooperation of the limiting cylinder of the driven gear and the fixed cylinder, and is coaxial with the steel strand through the rotation connection cylinder of the second centering device, so that the coil shaft body can be kept coaxial with the steel strand, the centering during winding is realized, the eccentric rotation problem of the coil shaft body of the traditional magnetic elastic cable force sensor is effectively solved, and the accuracy of the detection of the rear-mounted electromagnetic elastic cable force sensor is further improved, and more reliable data support is provided for the cable force monitoring of bridges and other structures.

[0027] Further, the fixed cylinder is composed of a first sub-cylinder and a second sub-cylinder through hinge articulation and screw detachable connection, which facilitates installation and disassembly, improves the detachable performance of the rear-mounted device, meets the higher mobile assembly requirements of the magnetic elastic cable force sensor in on-site monitoring work, makes it more flexible to be applied to different monitoring scenes, and reduces the difficulty and cost of installation and maintenance.

[0028] Further, the setting of the filling fastener and the first centering bolt in the first centering device enables the fixed cylinder to be more stably sleeved on the steel strand, further ensures the coaxiality of the fixed cylinder and the steel strand, and also enhances the stability of the entire device during winding, reducing problems such as uneven winding or shaft body eccentricity caused by device shaking and other factors.

[0029] Further, the setting of the coil counting device can accurately measure the number of turns of the coil shaft body, the first centering device or the driven gear, thereby accurately controlling the number of turns of the winding, ensuring that the coil winding of the sensor meets the design requirements, improving the performance and consistency of the sensor, and being conducive to improving the accuracy and reliability of the cable force monitoring.

[0030] Further, the driven gear, the rotation connection cylinder and other components adopt a split design, such as the driven gear being divided into a first half gear and a second half gear, the rotation connection cylinder being divided into two halves in the axial direction, and being assembled through a detachable connection mode, which facilitates the installation and disassembly of these components on the steel strand, facilitates maintenance and replacement in the later period, reduces maintenance and time costs, and improves the maintainability and service life of the entire device.

[0031] Further, the driven gear is rotatably connected with the steel strand through the first split bearing, and the rotating connecting cylinder is rotatably connected with the steel strand through the second split bearing, so that the driven gear and the rotating connecting cylinder can rotate flexibly, the coaxialities of the driven gear and the rotating connecting cylinder with the steel strand are ensured, the friction and resistance during rotation are reduced, the winding efficiency and quality are improved, the wear of the components is reduced, and the service life is prolonged.

[0032] Further, the setting of the centering cylinder and the second centering bolt in the second centering device can further center and fix the rotating connecting cylinder, the coaxiality of the rotating connecting cylinder with the steel strand is improved, the centering winding of the coil shaft body is better ensured, and the detection precision and performance stability of the sensor are further improved.

[0033] Further, the coil shaft body is divided into a third half cylinder and a fourth half cylinder in the axial direction, and is fixed through splicing and binding, so that the coil shaft body can be sleeved on the steel strand and connected with the driven gear and the rotating connecting cylinder, the installation efficiency and firmness of the coil shaft body are improved, and the stability and coaxiality of the coil shaft body during winding are ensured. BRIEF DESCRIPTION OF DRAWINGS

[0034] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0035] Figure 1 It is a structural schematic view of the centering winding device of the rear-mounted electromagnetic elastic cable force sensor.

[0036] Figure 2 It is a partial structural schematic view of the centering winding device of the rear-mounted electromagnetic elastic cable force sensor. Figure One

[0037] Figure 3 It is a partial structural schematic view of the centering winding device of the rear-mounted electromagnetic elastic cable force sensor. Figure Two

[0038] Figure 4 It is a partial structural schematic view of the centering winding device of the rear-mounted electromagnetic elastic cable force sensor. Figure Three

[0039] ​​​In the figure: 1, steel strand; 2, fixed cylinder body; 201, first sub-cylinder body; 202, second sub-cylinder body; 203, hinge; 204, first screw; 205, first centering bolt; 206, first fastener; 207, second fastener; 3, driving device; 4, driving gear; 5, driven gear; 501, first half gear; 502, second half gear; 6, coil shaft body; 7, centering cylinder; 701, first centering half cylinder; 702, second centering half cylinder; 8, emergency stop switch; 9, second split bearing; 10, second screw; 11, second centering bolt; 12, rotary connection cylinder; 1201, first rotary connection half cylinder; 1202, second rotary connection half cylinder; 13, first connecting piece; 1301, first connecting part; 1302, second connecting part; 14, second connecting piece; 15, binding line; 16, first split bearing. DETAILED DESCRIPTION

[0040] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0041] The utility model discloses a kind of centering wire winding devices of rear-mounted electromagnetic elastic cable force sensors, to solve the problems existing in the prior art described above, realize the coaxial of coil shaft body and steel strand when winding, and then improve the accuracy of detection of rear-mounted electromagnetic elastic cable force sensor.

[0042] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the utility model will be further described in detail below with reference to the drawings and specific embodiments.

[0043] As Figures 1 to 4 Indicated, the embodiment provides a kind of centering wire winding devices of rear-mounted electromagnetic elastic cable force sensor, comprising:

[0044] First centering device, first centering device includes fixed cylinder body 2, fixed cylinder body 2 is fixedly covered on the steel strand 1 needing to install rear-mounted electromagnetic elastic cable force sensor, and fixed cylinder body 2 is coaxial with steel strand 1;

[0045] Driving device 3, driving device 3 is fixedly arranged on fixed cylinder body 2, and driving gear 4 is fixedly arranged on the output shaft of driving device 3;

[0046] The driven gear 5 is sleeved on the steel strand 1, and a limiting cylinder coaxial with the driven gear 5 is fixed on one side of the driven gear 5 close to the fixed cylinder 2. The fixed cylinder 2 is provided with a limiting hole coaxial with the steel strand 1 corresponding to the limiting cylinder, the limiting cylinder extends into the limiting hole, and the outer diameter of the limiting cylinder is equal to the hole diameter of the limiting hole. The other side of the gear is provided with a first connecting piece 13.

[0047] The second centering device includes a rotating connecting cylinder 12 sleeved on the steel strand 1, and the rotating connecting cylinder 12 is coaxial with the steel strand 1. An end of the rotating connecting cylinder 12 close to the first connecting piece 13 is fixed with a second connecting piece 14.

[0048] The coil shaft body 6 is tubular, is sleeved on the steel strand 1, is located between the driven gear 5 and the second centering device, and is connected with the first connecting piece 13 and the second connecting piece 14 at two ends in a snap-fit manner. The coil shaft body 6 is used for winding a coil.

[0049] The centering winding device of the rear-mounted electromagnetic elastic cable force sensor of the embodiment is coaxial with the steel strand 1 through the fixed cylinder 2 of the first centering device, the limiting cylinder of the driven gear 5 cooperates with the limiting hole of the fixed cylinder 2, and the rotating connecting cylinder 12 of the second centering device is coaxial with the steel strand 1. Therefore, the coil shaft body 6 can be coaxial with the steel strand 1, the centering during winding is realized, the eccentric rotation of the coil shaft body 6 of the traditional magnetic elastic cable force sensor is effectively solved, and the accuracy of detection of the rear-mounted electromagnetic elastic cable force sensor is improved. More reliable data support is provided for cable force monitoring of bridges and other structures.

[0050] In the embodiment, the specific structure of the fixed cylinder 2 is as follows:

[0051] The fixed cylinder 2 includes a first sub-cylinder 201 and a second sub-cylinder 202. The first sub-cylinder 201 and the second sub-cylinder 202 are both semicircular cylinders. One side of the first sub-cylinder 201 is hingedly connected to one side of the second sub-cylinder 202 through a hinge 203, and the other side of the first sub-cylinder 201 is detachably connected to the other side of the second sub-cylinder 202 through a first screw 204. The limiting hole includes a first sub-hole and a second sub-hole. The first sub-hole is arranged on the first sub-cylinder 201, and the second sub-hole is arranged on the second sub-cylinder 202. The fixed cylinder 2 is composed of the first sub-cylinder 201 and the second sub-cylinder 202 through hinging and screw detachable connection, which facilitates installation and disassembly, improves the detachable performance of the rear-mounted device, meets the higher requirements for the mobility of the magnetic elastic cable force sensor in the field monitoring work, makes it more flexible to be applied to different monitoring scenes, and reduces the difficulty and cost of installation and maintenance.

[0052] In the optional scheme of the embodiment, preferably, the first centering device further comprises a filling fastener and at least two first centering bolts 205, the filling fastener comprises a first fastener 206 and a second fastener 207, the filling fastener is in the shape of a circular column, the first fastener 206 and the second fastener 207 are both in the shape of a half circular column, the first fastener 206 is connected with the second fastener 207 in a fastening manner, and the filling fastener is fixedly sleeved on the steel strand 1; the fixed cylinder 2 is provided with a receiving cavity corresponding to the filling fastener, and the filling fastener is located in the receiving cavity;

[0053] The first centering bolts 205 are uniformly and spacedly distributed along the circumference of the fixed cylinder 2, the length direction of the first centering bolts 205 is along the radial direction of the fixed cylinder 2, the first centering bolts 205 pass through the side wall of the fixed cylinder 2 and are threadedly connected with the fixed cylinder 2, and the end of the first centering bolts 205 extending into the fixed cylinder 2 abuts against the side wall of the filling fastener. The arrangement of the filling fastener and the first centering bolts 205 in the first centering device enables the fixed cylinder 2 to be more stably sleeved on the steel strand 1, further ensures the coaxiality of the fixed cylinder 2 and the steel strand 1, and also enhances the stability of the whole device during the winding process, thereby reducing problems such as uneven winding or eccentric shaft caused by device shaking and the like.

[0054] In the optional scheme of the embodiment, preferably, the coil counting device is further arranged, and the coil counting device is used to count the number of revolutions of the coil shaft 6, the first centering device or the driven gear 5. The arrangement of the coil counting device can accurately count the number of revolutions of the coil shaft 6, the first centering device or the driven gear 5, thereby accurately controlling the number of turns of winding, ensuring that the winding of the coil of the sensor meets the design requirements, improving the performance and consistency of the sensor, and being beneficial to improving the accuracy and reliability of the cable force monitoring.

[0055] It should be noted that the coil counting device adopts a commercially available product known in the art, that is, the counting is realized by using a commercial counting device, and the model is JX-020A. The counting principle is that the commercial counting device is connected with the photoelectric sensor, the photoelectric sensor is fixed on the coil or the first centering device, a reflective strip is placed at a point on the rotation path of the winding device, the number of revolutions of the coil counting device is counted by one when the light emitted by the photoelectric sensor is reflected to the winding device through the reflective strip, and the number of turns of winding is measured. In addition, the coil counting device is electrically connected with the driving device 3, when the number of revolutions counted by the coil counting device reaches the number of revolutions set by the user, the coil counting device sends a signal to the driving device 3, so that the driving device 3 stops working.

[0056] Specifically, the driven gear 5 comprises a first half gear 501 and a second half gear 502, the first half gear 501 is detachably connected with the second half gear 502; the limiting cylinder is divided into a first half cylinder and a second half cylinder, the first connecting piece 13 is divided into a first connecting part 1301 and a second connecting part 1302, the first half cylinder and the first connecting part 1301 are respectively fixedly connected with the first half gear 501, the second half cylinder and the second connecting part 1302 are respectively fixedly connected with the second half gear 502, the first half cylinder and the second half cylinder can be spliced into the limiting cylinder, and the first connecting part 1301 and the second connecting part 1302 can be spliced into the first connecting piece 13.

[0057] In an optional scheme of the embodiment, preferably, the rotary connecting cylinder 12 is divided into two halves (a first rotary connecting half cylinder 1201 and a second rotary connecting half cylinder 1202) along the axial direction, and the two halves of the rotary connecting cylinder 12 are detachably connected;

[0058] The second centering device further comprises a centering cylinder 7 sleeved on the rotary connecting cylinder 12, the centering cylinder 7 comprises a first centering half cylinder 701 and a second centering half cylinder 702, the first centering half cylinder 701 is connected with the second centering half cylinder 702 through the second screw 10; the first centering half cylinder 701 and the second centering half cylinder 702 are respectively threadedly connected with the second centering bolt 11, the length direction of the second centering bolt 11 is along the radial direction of the centering cylinder 7, and the end of the second centering bolt 11 extending into the centering cylinder 7 abuts against the outer wall of the rotary connecting cylinder 12.

[0059] The driven gear 5, the rotary connecting cylinder 12 and other components adopt a split design, for example, the driven gear 5 is divided into the first half gear 501 and the second half gear 502, the rotary connecting cylinder 12 is divided into two halves along the axial direction, and the components are assembled through a detachable connection mode, which facilitates the installation and disassembly of these components on the steel strand 1, facilitates the later maintenance and replacement, reduces the maintenance cost and time cost, and improves the maintainability and service life of the entire device. The centering cylinder 7 and the second centering bolt 11 in the second centering device can further center and fix the rotary connecting cylinder 12, improve the coaxiality of the rotary connecting cylinder 12 and the steel strand 1, and thus better ensure the centered winding of the coil shaft body 6, and further improve the detection accuracy and performance stability of the sensor.

[0060] In the optional solution of the embodiment, preferably, the driven gear 5 is rotatably connected with the steel strand 1 through the first split bearing 16, the inner ring of the first split bearing 16 is fixedly sleeved on the steel strand 1, and the outer ring of the first split bearing 16 is clamped with the inner wall of the driven gear 5; the rotating connecting cylinder 12 is rotatably connected with the steel strand 1 through the second split bearing 9, the inner ring of the second split bearing 9 is fixedly sleeved on the steel strand 1, and the outer ring of the second split bearing 9 is clamped with the inner wall of the rotating connecting cylinder 12. The driven gear 5 is rotatably connected with the steel strand 1 through the first split bearing 16, and the rotating connecting cylinder 12 is rotatably connected with the steel strand 1 through the second split bearing 9. This structure not only ensures that the driven gear 5 and the rotating connecting cylinder 12 can rotate flexibly, but also ensures that they are coaxial with the steel strand 1, reduces friction and resistance in the rotating process, improves winding efficiency and quality, and also reduces the wear of the parts and prolongs the service life.

[0061] In the optional solution of the embodiment, preferably, the coil shaft body 6 is divided into a third half cylinder and a fourth half cylinder in the axial direction, and the third half cylinder and the fourth half cylinder are fixed by the binding wire 15 after being spliced into the coil shaft body 6. The coil shaft body 6 is divided into the third half cylinder and the fourth half cylinder in the axial direction, and is fixed by splicing and the binding wire 15. This facilitates the coil shaft body 6 to be sleeved on the steel strand 1 and connected with the driven gear 5 and the rotating connecting cylinder 12, improves the installation efficiency and firmness of the coil shaft body 6, and ensures the stability and coaxiality of the coil shaft body 6 in the winding process.

[0062] The driving device 3 in the embodiment adopts a motor, and an emergency stop switch 8 for controlling the driving device 3 is also arranged. When there is an error in centering or the number of turns is set incorrectly, the winding process can be forcibly ended by pressing the emergency stop switch 8. If the winding process is not forcibly stopped, i.e., the emergency stop switch 8 is not pressed, the winding process will be carried out normally.

[0063] The specific use method of the rear-mounted electromagnetic elastic cable force sensor centering winding device in the embodiment is as follows:

[0064] (1) The first split bearing 16 and the second split bearing 9 are fixed on the steel strand 1, respectively;

[0065] (2) The two halves of the rotating connecting cylinder 12 are combined, and the outer ring of the second split bearing 9 is clamped to make the rotating connecting cylinder 12 sleeved on the second split bearing 9;

[0066] (3) The first centering half cylinder 701 and the second centering half cylinder 702 are sleeved on the rotating connecting cylinder 12, and are combined and connected to form the centering cylinder 7, and the second centering bolt 11 is installed; then the second centering bolt 11 is adjusted to make the rotating connecting cylinder 12 and the centering cylinder 7 coaxial with the steel strand 1;

[0067] (4) Take the first half gear 501 and the second half gear 502, and set the first half gear 501 and the second half gear 502 on the first split bearing 16, and connect the first half gear 501 and the second half gear 502 to form the driven gear 5;

[0068] (5) Take the first fastener 206 and the second fastener 207, and set the first fastener 206 and the second fastener 207 on the steel strand 1, and connect the first fastener 206 and the second fastener 207 to form the filling fastener;

[0069] (6) Set the first sub-cylinder 201 and the second sub-cylinder 202 on the filling fastener, and connect the first sub-cylinder 201 and the second sub-cylinder 202 to form the fixed cylinder 2, and ensure that the limiting cylinder on the driven gear 5 extends into the limiting hole on the fixed cylinder 2, and ensure that the driving gear 4 engages with the driven gear 5; then install the first centering bolt 205;

[0070] (7) Adjust the first centering bolt 205 so that the fixed cylinder 2, the limiting hole, and the steel strand 1 are coaxial;

[0071] (8) The third half cylinder and the fourth half cylinder are both connected to the first connecting piece 13 at one end and connected to the second connecting piece 14 at the other end, and the third half cylinder and the fourth half cylinder are spliced into the coil shaft body 6, and then the third half cylinder and the fourth half cylinder are fixed by the binding wire 15;

[0072] (9) Turn on the driving device 3 for trial operation, and determine that the coil shaft body 6 will not appear eccentric rotation during winding, if eccentric rotation appears during winding, test whether the first centering device and the second centering device are centered respectively, repeat steps (1) to (8), until stable operation and the coil shaft body 6 does not appear eccentric rotation;

[0073] (10) Set the required number of turns of the coil in the coil counting device, and fix one end of the coil (i.e. copper wire) to be wound on the coil shaft body 6, then start the driving device 3, the driving device 3 drives the coil shaft body 6 to rotate through the driving gear 4 and the driven gear 5, and the coil will be wound on the coil shaft body 6, when the number of rotations measured by the coil counting device reaches the number of turns set by the user, the coil counting device will send a signal to the driving device 3 to stop working.

[0074] The principle and implementation mode of the utility model are described by applying specific examples, and the above embodiment is only used for helping to understand the method and core idea of the utility model; meanwhile, for the general technical personnel in the field, the specific implementation mode and application range will be changed according to the idea of the utility model. In conclusion, the content of the specification should not be understood as the limitation of the utility model.

Claims

1. A centering winding device for a rear-mounted electromagnetic elastic cable force sensor, characterized in that, The utility model relates to a kind of coil counting device, which is used for measuring the number of turns of the coil shaft body, the first centering device or the driven gear. It comprises: A first centering device comprises a fixed cylinder, which is fixedly sleeved on a steel strand where the rear-mounted electromagnetic elastic cable force sensor is needed to be installed, and the fixed cylinder is coaxial with the steel strand; A driving device is fixedly arranged on the fixed cylinder, and a driving gear is fixedly arranged on the output shaft of the driving device; A driven gear is rotatably sleeved on the steel strand, and a limiting cylinder coaxial with the driven gear is fixedly arranged on the side of the driven gear close to the fixed cylinder; The fixed cylinder is provided with a limiting hole coaxial with the steel strand corresponding to the limiting cylinder, the limiting cylinder extends into the limiting hole, and the outer diameter of the limiting cylinder is equal to the hole diameter of the limiting hole; The other side of the gear is provided with a first connecting piece; A second centering device comprises a rotating connecting cylinder rotatably sleeved on the steel strand, and the rotating connecting cylinder is coaxial with the steel strand; A second connecting piece is fixedly arranged on the end of the rotating connecting cylinder close to the first connecting piece; 2. The centering winding device of the rear-mounted electromagnetic elastic cable force sensor according to claim 1, characterized in that: A coil shaft body is tubular, and the coil shaft body is sleeved on the steel strand; The coil shaft body is located between the driven gear and the second centering device; One end of the coil shaft body is connected with the first connecting piece by snap-fit connection, and the other end is connected with the second connecting piece by snap-fit connection; The coil shaft body is used for winding coil. The fixed cylinder comprises a first sub-cylinder and a second sub-cylinder, both of which are semicircular cylindrical; One side of the first sub-cylinder is hingedly connected to one side of the second sub-cylinder; The other side of the first sub-cylinder is detachably connected to the other side of the second sub-cylinder; 3. The centering winding device of the rear-mounted electromagnetic elastic cable force sensor according to claim 2, characterized in that: The limiting hole is divided into a first sub-hole and a second sub-hole; The first sub-hole is arranged on the first sub-cylinder, and the second sub-hole is arranged on the second sub-cylinder. The first centering device further comprises a filling fastener and at least two first centering bolts; The filling fastener comprises a first fastener and a second fastener; The filling fastener is circular cylindrical; The first fastener and the second fastener are semicircular cylindrical; The first fastener is snap-fit connected to the second fastener; The filling fastener is fixedly sleeved on the steel strand; The fixed cylinder is provided with a containing cavity corresponding to the filling fastener; The filling fastener is located in the containing cavity; 4. The centering winding device of the rear-mounted electromagnetic elastic cable force sensor according to claim 2, characterized in that: All the first centering bolts are uniformly and spacedly distributed along the circumference of the fixed cylinder; The length direction of the first centering bolt is along the radial direction of the fixed cylinder; The first centering bolt penetrates through the side wall of the fixed cylinder and is threadedly connected with the fixed cylinder; The end of the first centering bolt extending into the fixed cylinder abuts against the side wall of the filling fastener.

5. The centering winding device of the rear-mounted electromagnetic elastic cable force sensor according to claim 1, characterized in that: The side of the first sub-cylinder away from the hinge is connected to the side of the second sub-cylinder away from the hinge by a first screw. The utility model further comprises a coil counting device, which is used for measuring the number of turns of the coil shaft body, the first centering device or the driven gear.

6. The centering winding device of the rear-mounted electromagnetic elastic cable force sensor according to claim 1, characterized in that: The driven gear comprises a first half gear and a second half gear, and the first half gear is detachably connected with the second half gear; the limiting cylinder is divided into a first half cylinder and a second half cylinder, the first connecting piece is divided into a first connecting part and a second connecting part, the first half cylinder and the first connecting part are fixedly connected with the first half gear respectively, the second half cylinder and the second connecting part are fixedly connected with the second half gear respectively, and the first half cylinder and the second half cylinder can be spliced into the limiting cylinder, and the first connecting part and the second connecting part can be spliced into the first connecting piece.

7. The centering winding device of the rear-mounted electromagnetic elastic cable force sensor according to claim 1, characterized in that: The driven gear is rotationally matched with the steel strand through a first split bearing, an inner ring of the first split bearing is fixedly sleeved on the steel strand, and an outer ring of the first split bearing is clamped with an inner wall of the driven gear.

8. The centering winding device of the rear-mounted electromagnetic elastic cable force sensor according to claim 1, characterized in that: The rotary connecting cylinder is rotationally matched with the steel strand through a second split bearing, an inner ring of the second split bearing is fixedly sleeved on the steel strand, and an outer ring of the second split bearing is clamped with an inner wall of the rotary connecting cylinder.

9. The centering winding device of the rear-mounted electromagnetic elastic cable force sensor according to claim 1, characterized in that: The rotary connecting cylinder is divided into two halves along an axial direction, and the two halves of the rotary connecting cylinder are detachably connected; The second centering device further comprises a centering cylinder sleeved on the rotary connecting cylinder, the centering cylinder comprises a first centering half cylinder and a second centering half cylinder, and the first centering half cylinder is connected with the second centering half cylinder through a second screw; second centering bolts are threadedly connected on the first centering half cylinder and the second centering half cylinder respectively, a length direction of the second centering bolts is along a radial direction of the centering cylinder, and one end of the second centering bolts extending into the centering cylinder abuts against an outer wall of the rotary connecting cylinder.

10. The centering winder of the rear-mounted electromagnetic elastic cable force sensor according to claim 1, characterized in that: The coil shaft body is divided into a third half cylinder and a fourth half cylinder along an axial direction, and the third half cylinder and the fourth half cylinder are fixed through a binding line after being spliced into the coil shaft body.

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