Distance measuring device and winch with same

Abstract

The utility model relates to the technical field of winch distance measurement, in particular to a distance measuring device and a winch with the same, which comprises a connecting flange pipe bolted and fixed on one side of a winch fixing frame, a spline groove is arranged at the right end of the connecting flange pipe, and a spline pipe is inserted in the spline groove in a matched mode. The outer side wall of the spline pipe is provided with a spline matched with the spline groove, a synchronous transmission mechanism is inserted into the right end of an inner cavity of the spline pipe in a matched mode, the right end of the synchronous transmission mechanism is connected with a rotary encoder, and the rotary encoder is fixedly connected with the connecting flange pipe through a locking unit in a quick-release mode. According to the distance measuring device, the connecting flange pipe and the spline pipe are adopted to achieve rapid inserting and positioning of the synchronous transmission mechanism, meanwhile, the synchronous transmission mechanism is used for obtaining the rotating speed of the winch, it is effectively guaranteed that the whole structure does not have rotating deviation in the transmission process, accurate obtaining of rotating speed signals is effectively guaranteed, and the relative accuracy of distance measuring is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to winch ranging technology field especially a ranging device and have the winch of the device. BACKGROUND

[0002] Winch ranging technology is an important measuring means, and through different implementation manners and application scenes can satisfy the demand of accurate ranging in various fields, and common application scenes have coal mine inclined roadway winch ranging, oil drilling well depth measurement and the like.

[0003] Through the search, in the patent application No. CN202221167934.0 patent literature discloses a kind of ranging device and crane applied to ocean platform crane, which is mainly through winch drum synchronous rotation unit and winch drum synchronous rotation, and then utilizes fixed unit to fix winch drum synchronous rotation unit and distance measurement unit on ocean platform crane to realize the purpose of winch ranging.

[0004] As can be seen, the structure of the above-mentioned winch ranging is mainly through the transmission part in the winch drum synchronous rotation unit of the ranging device and the outer edge of the winch drum, and the transmission wheel groove in the ranging device contacts the outer edge of the winch drum, which can realize ranging by contact friction synchronous transmission, but there are the following problems: when synchronous transmission is relied on the friction force caused by abutting, since the above-mentioned structure is used in sea ranging, the humidity of the object surface is large, and the problem of slipping is easy to occur when abutting and friction, so that the ranging device cannot collect ranging information at all times, and the measurement accuracy is large.

[0005] Based on this, the utility model optimizes the design in view of the existing problems in the winch ranging, and hereby proposes a new ranging device and winch with the device to better solve the problems in the prior art. INVENTION CONTENTS

[0006] To solve one of the above technical problems, the technical scheme adopted is: a ranging device, comprising a connecting flange pipe fixed on one side of a winch fixing frame, a spline groove is arranged at the right end of the connecting flange pipe, a spline pipe is inserted and matched in the spline groove, a spline matched with the spline groove is arranged on the outer sidewall of the spline pipe, the inner cavity of the spline pipe is through arrangement, a synchronous transmission mechanism is inserted and matched at the right end of the inner cavity of the spline pipe, the power input end of the synchronous transmission mechanism is used for synchronous connection with the output shaft end of the winch, a rotary encoder is connected at the right end of the synchronous transmission mechanism, the signal output end of the rotary encoder is signal connected with an external controller, and the rotary encoder realizes quick release fixed connection with the connecting flange pipe through a locking unit.

[0007] Preferably in any of the above solutions, the synchronous transmission mechanism comprises a vertically arranged first gear, a left end of a first shaft arranged at the center of the first gear is movably inserted into the inner cavity of the spline pipe, a right end of the first shaft is coaxially fixed to the rotary encoder through a shaft coupling, a second gear is arranged below the first gear and is in meshing, a left end of a second shaft arranged at the center of the second gear is coaxially fixed to the outer side wall of the winch output shaft.

[0008] Preferably in any of the above solutions, a left end mounting cavity is arranged in the cavity of the connecting flange pipe on the left side of the spline groove, an end strong magnet is movably inserted into the left end mounting cavity, and a right end of the end strong magnet abuts against the left end face of the spline groove and is used for magnetically attracting and fixing the spline pipe.

[0009] Preferably in any of the above solutions, the left end of the first shaft is magnetically attracted and fixed to the middle part of the end strong magnet.

[0010] Preferably in any of the above solutions, the transmission ratio of the first gear to the second gear is 1:1.

[0011] Preferably in any of the above solutions, lubricating grease is applied to the inner cavity side wall of the spline pipe.

[0012] Preferably in any of the above solutions, the rotary encoder is a shaft type rotary encoder.

[0013] Preferably in any of the above solutions, the locking unit comprises a left end connecting disc coaxially fixed to the middle outer side wall of the connecting flange pipe, right end connecting lug seats are fixed to the outer side walls of the upper part, the front part and the rear part of the right end of the rotary encoder, connecting studs are movably inserted into the mounting holes of the right end connecting lug seats, left ends of the connecting studs are movably inserted into the left end of the left end connecting disc, left end locking nuts and right end locking nuts are threadedly screwed onto the outer side walls of the two end parts of the connecting studs, a right end of the left end locking nut abuts against the outer side wall of the left end connecting disc, and a left end of the right end locking nut abuts against the outer side wall of the right end connecting lug seat.

[0014] The utility model also provides a winch with a distance measuring device.

[0015] Compared with the prior art, the utility model has the beneficial effects as follows:

[0016] 1. The distance measuring device in the utility model adopts connecting flange pipe and spline pipe to realize the quick plug-in positioning of the synchronous transmission mechanism, utilizes the synchronous transmission mechanism to obtain the rotating speed of the winch, effectively ensures that the whole structure will not appear rotating deviation in the transmission process, effectively ensures the accurate acquisition of the rotating speed signal and the relative accuracy of distance measurement, and utilizes spline cooperation to ensure the convenience of dismounting the synchronous transmission mechanism.

[0017] 2. In addition, the lock unit in the utility model can complete quick mounting and quick dismounting of the rotary encoder at the right end by relying on the quick dismounting type lock unit, effectively ensuring the convenience of installation, maintenance and repair.

[0018] 3. The gear meshing structure in the synchronous transmission mechanism can effectively ensure the reliability of meshing in the rotating speed transmission process and prevent the occurrence of relative slipping. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the specific embodiments of the utility model or the technical solutions in the prior art, the drawings needed to be used in the specific embodiments or the prior art description will be briefly introduced below. In all the drawings, similar elements or components are generally indicated by similar reference numerals. In the drawings, the elements or components are not necessarily drawn according to the actual proportion.

[0020] Figure 1 It is a front view structural schematic diagram of the utility model.

[0021] Figure 2 It is a partial three-dimensional structural schematic diagram of the utility model after removing the second gear.

[0022] Figure 3 It is a side view structural schematic diagram of the utility model.

[0023] Figure 4 It is a first three-dimensional structural schematic diagram of the connecting flange pipe of the utility model.

[0024] Figure 5 It is a second three-dimensional structural schematic diagram of the connecting flange pipe of the utility model.

[0025] Figure 6 It is a right side structural schematic diagram of the utility model. Figure 5

[0026] Figure 7 It is an internal section view structural schematic diagram of the connecting flange pipe of the utility model.

[0027] Figure 8 It is a structural schematic diagram of the connecting flange pipe of the utility model after installing the end strong magnet inside.

[0028] ​In the figure, 1, connecting flange pipe; 2, spline groove; 3, spline pipe; 301, inner cavity; 4, rotary encoder; 5, first gear; 6, first axle; 7, shaft coupling; 8, second gear; 9, second axle; 10, left end mounting cavity; 11, end strong magnet; 12, left end connecting disc; 13, right end connecting lug; 14, connecting stud; 15, left end locking nut; 16, right end locking nut. DETAILED DESCRIPTION

[0029] The embodiments of the technical scheme of the utility model will be described in detail below with reference to the drawings. The following embodiments are only used to more clearly illustrate the technical scheme of the utility model, and therefore only serve as examples, and cannot limit the protection scope of the utility model. The specific structure of the utility model is shown in Figures 1-8 .

[0030] Embodiment 1: a ranging device, comprising a connecting flange pipe 1 fixedly connected to one side of a winch fixed frame, a spline groove 2 is arranged at the right end of the connecting flange pipe 1, a spline pipe 3 is matched and inserted in the spline groove 2, splines matched with the spline groove 2 are arranged on the outer side wall of the spline pipe 3, the inner cavity 301 of the spline pipe 3 is through arrangement, a synchronous transmission mechanism is matched and inserted at the right end of the inner cavity 301 of the spline pipe 3, the power input end of the synchronous transmission mechanism is used for synchronous connection with the output shaft end of the winch, a rotary encoder 4 is connected at the right end of the synchronous transmission mechanism, the signal output end of the rotary encoder 4 is signal connected with an external controller, and the rotary encoder 4 realizes quick disassembly and fixed connection with the connecting flange pipe 1 through a locking unit.

[0031] The ranging device in the utility model is firstly fixedly installed at one side of the winch fixed frame during installation, then the installation of the spline pipe 3, the synchronous transmission mechanism and the rotary encoder 4 is sequentially completed, the right end of the rotary encoder 4 can be fixed by using the locking unit after the installation of the rotary encoder 4 is completed, the relative stable and fixed purpose of the whole device is finally achieved, then the power input end of the synchronous transmission mechanism is coaxially connected with the output end of the winch, and real-time ranging can be completed by starting the winch when the device is used.

[0032] In any of the above schemes, preferably, the synchronous transmission mechanism comprises a vertically arranged first gear 5, the left end of a first axle 6 arranged at the center of the first gear 5 is movably inserted into the inner cavity 301 of the spline pipe 3, the right end of the first axle 6 is coaxially fixedly connected with the rotary encoder 4 through a shaft coupling 7, a second gear 8 is meshingly arranged below the first gear 5, and the left end of a second axle 9 arranged at the center of the second gear 8 is coaxially fixedly connected to the outer side wall of the winch output shaft.

[0033] The synchronous transmission mechanism in the application obtains the current rotating speed of the winch by the second gear 8, sets the ranging formula according to the outer diameter of the winch drum and the number of rotations in advance, drives the first gear 5 engaged with the second gear 8 to rotate when the second gear 8 rotates, and finally drives the first axle 6 to rotate and transmits the rotating signal to the rotary encoder 4.

[0034] The gear engagement can better ensure the relative locking position during transmission and effectively improve the reliability of transmission.

[0035] In any of the above schemes, preferably, a left end mounting cavity 10 is arranged in the cavity of the connecting flange pipe 1 on the left side of the spline groove 2, and a strong end magnet 11 is inserted and matched in the inside of the left end mounting cavity 10, and the right end of the strong end magnet 11 abuts against the left end face of the spline groove 2 and is used for magnetically attracting and fixing the spline pipe 3.

[0036] In any of the above schemes, preferably, the left end of the first axle 6 magnetically abuts and fixes the middle part of the strong end magnet 11.

[0037] The spline groove 2 in the connecting flange pipe 1 can be spline-matched with the spline pipe 3, and the spline pipe 3 and the first axle 6 can be magnetically attracted and fixed by the strong end magnet 11, which is convenient for disassembly.

[0038] In any of the above schemes, preferably, the transmission ratio of the first gear 5 to the second gear 8 is 1:1.

[0039] The transmission ratio of 1:1 can accurately and intuitively complete the transmission of the rotating speed.

[0040] In any of the above schemes, preferably, the inner cavity 301 of the spline pipe 3 is coated with lubricating grease on the side wall. The lubricating grease mainly plays a lubricating role.

[0041] In any of the above schemes, preferably, the rotary encoder 4 is a shaft type rotary encoder.

[0042] Embodiment 2: Compared with Embodiment 1, the difference is that it further includes the following technical features:

[0043] In any of the above schemes, preferably, the locking unit comprises a left end connecting disc 12 coaxially fixedly arranged along the middle outer side wall of the connecting flange pipe 1, right end connecting lug seats 13 are fixedly arranged on the outer side walls of the upper, front and rear parts of the right end of the rotary encoder 4, connecting studs 14 are respectively fitted and mounted in the mounting holes of the right end connecting lug seats 13, the left ends of the connecting studs 14 are movably penetrated to the left end of the left end connecting disc 12, left end locking nuts 15 and right end locking nuts 16 are respectively screwed on the outer side walls of the two end parts of the connecting studs 14, the right end of the left end locking nut 15 abuts against the outer side wall of the left end connecting disc 12, and the left end of the right end locking nut 16 abuts against the outer side wall of the right end connecting lug seat 13.

[0044] The locking unit is mainly used to realize tensioning and fixing by the connecting studs 14 and the left end locking nuts 15 and the right end locking nuts 16 at the two ends during installation, so as to ensure the positioning effect of the rotary encoder 4.

[0045] The utility model also provides a winch with distance measuring device, including above -mentioned distance measuring device.

[0046] Specific working principle: the distance measuring device of the utility model is first fixedly installed on one side of the winch fixing frame during installation, then the spline pipe 3, the synchronous transmission mechanism and the rotary encoder 4 are successively installed, the right end of the rotary encoder 4 is fixed by the locking unit when the rotary encoder 4 is installed, and finally the whole device is relatively stable and fixed.

[0047] Then the power input end of the synchronous transmission mechanism is coaxially connected with the output end of the winch, and the real-time distance measurement can be completed by starting the winch when using the device. Specifically, the synchronous transmission mechanism obtains the current rotating speed of the winch by relying on the second gear 8 during use, and sets a distance measuring formula according to the outer diameter of the winch drum and the number of rotations, when the second gear 8 rotates, the first gear 5 meshing with the second gear 8 can be driven to rotate, and finally the purpose of driving the first axle 6 to rotate and transmitting the rotating signal to the rotary encoder 4 is achieved. Gear meshing can better ensure the relative locking during transmission and effectively improve the reliability of transmission.

[0048] In summary, the distance measuring device adopts the connecting flange pipe 1 and the spline pipe 3 to realize the quick plug-in positioning of the synchronous transmission mechanism, and utilizes the synchronous transmission mechanism to obtain the rotating speed of the winch, so that the rotating deviation of the whole structure in the transmission process is effectively avoided, the accurate acquisition of the rotating speed signal is effectively ensured, the relative accuracy of the distance measurement is ensured, the spline cooperation is utilized to ensure the convenience of dismounting the synchronous transmission mechanism, the quick dismounting locking unit is relied on to complete the quick mounting and quick dismounting of the rotary encoder 4 at the right end, the convenience of installation and maintenance is effectively ensured, the gear meshing structure in the synchronous transmission mechanism is adopted when the distance information is collected, so that the reliability of the meshing in the rotating speed transmission process is effectively ensured, and the relative slipping phenomenon is prevented.

[0049] The above embodiments are only used to illustrate the technical solutions of the present application, but not limit the present application; although the present application is described in detail with reference to the above embodiments, those skilled in the art should understand that the technical solutions recorded in the above embodiments can be modified, or some or all of the technical features can be replaced equivalently; the modification or replacement does not make the essence of the corresponding technical solution deviate from the scope of the technical solutions of the embodiments of the present application; any alternative improvement or change made by those skilled in the art to the embodiments of the present application falls within the protection scope of the present application.

[0050] The parts not described in the present application are the known technology of those skilled in the art.

Claims

1. A ranging device, characterized by: The connecting flange pipe is fixed on one side of the winch fixing frame, a spline groove is arranged at the right end of the connecting flange pipe, a spline pipe is matched and inserted in the spline groove, a spline matched with the spline groove is arranged on the outer side wall of the spline pipe, the inner cavity of the spline pipe is through arranged, a synchronous transmission mechanism is matched and inserted at the right end of the inner cavity of the spline pipe, the power input end of the synchronous transmission mechanism is used for synchronous connection with the output shaft end of the winch, a rotary encoder is connected at the right end of the synchronous transmission mechanism, the signal output end of the rotary encoder is signal connected with an external controller, and the rotary encoder is fast detachably connected with the connecting flange pipe through a locking unit.

2. A ranging device according to claim 1, wherein: The synchronous transmission mechanism comprises a vertically arranged first gear, the left end of a first shaft arranged at the center of the first gear is movably inserted in the inner cavity of the spline pipe, the right end of the first shaft is coaxially fixedly connected with the rotary encoder through a shaft coupling, a second gear is meshingly arranged below the first gear, and the left end of a second shaft arranged at the center of the second gear is coaxially fixedly connected on the outer side wall of the winch output shaft.

3. A ranging device according to claim 2, wherein: A left end mounting cavity is arranged in the cavity of the connecting flange pipe at the left side of the spline groove, an end strong magnet is matched and inserted in the left end mounting cavity, and the right end of the end strong magnet abuts against the left end face of the spline groove and is used for magnetically attracting and fixing the spline pipe.

4. A ranging device according to claim 3, wherein: The left end of the first shaft magnetically abuts against the middle part of the end strong magnet and is fixed.

5. A ranging device according to claim 4, wherein: The transmission ratio of the first gear to the second gear is 1:

1.

6. A ranging device according to claim 5, wherein: Lubricating grease is applied on the inner cavity side wall of the spline pipe.

7. A ranging device according to claim 6, wherein: The rotary encoder is an axial rotary encoder.

8. A ranging device according to claim 7, wherein: The locking unit comprises a left end connecting disc coaxially fixedly arranged along the middle outer side wall of the connecting flange pipe, right end connecting lug seats are fixed on the outer side walls of the upper part, the front part and the rear part of the right end of the rotary encoder, connecting studs are respectively matched and mounted in the mounting holes of the right end connecting lug seats, the left ends of the connecting studs are movably penetrated to the left end of the left end connecting disc, left end locking nuts and right end locking nuts are respectively screwed on the outer side walls of the two end parts of each connecting stud, the right end of the left end locking nut abuts against the outer side wall of the left end connecting disc, and the left end of the right end locking nut abuts against the outer side wall of the right end connecting lug seat.

9. A winch having a ranging device, characterised in that: The distance measuring device comprises the distance measuring device according to any one of claims 1-8.

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