CN219430029U - Toothless transmission mechanical stock rod - Google Patents

Abstract

The utility model relates to the technical field of mechanical trial rods, in particular to a toothless transmission mechanical trial rod; the mechanical stock rod comprises a stock rod box body, a winding drum, a transmission shaft, a probe and a chain assembly, wherein the winding drum and the transmission shaft are arranged in the stock rod box body, the winding drum is arranged on the transmission shaft, the upper end of the chain assembly is fixedly connected with the winding drum, the lower end of the chain assembly downwards extends out of the outer side of the stock rod box body and is connected with the probe, a permanent magnet synchronous motor is further arranged on the stock rod box body, and the output end of the permanent magnet synchronous motor is connected with the transmission shaft. The structure is simple, the permanent magnet synchronous motor is used as driving force, the permanent magnet synchronous motor is arranged on the stock rod box body, the output end of the permanent magnet synchronous motor is connected with the transmission shaft positioned on the inner side of the stock rod box body, the transmission shaft can be directly driven to move, the transmission chain is shortened, transmission components such as a transmission gear box are omitted, the stock rod is compact in structure, and equipment arrangement is facilitated.

Description

Toothless transmission mechanical stock rod

Technical Field

The utility model relates to the technical field of mechanical trial rods, in particular to a toothless transmission mechanical trial rod.

Background

The mechanical stock rod of the blast furnace is mainly used for tracking and detecting the material level in the furnace, and is key equipment for blast furnace smelting. Currently, blast furnace trial rods mainly have two structural forms: 1) Split type: a hoist + reel box structure; 2) Integral type: motor + speed reducer + reel structure. The split trial rod is complex in structure, complicated in arrangement and less in use at present, and the precision of the trial rod is affected by steel rope transmission; the integral stock rod adopts a motor and a speed reducer to replace a winch and steel rope transmission, although the accuracy of the stock rod is improved, the integral stock rod has more transmission parts and comprises: the motor, the speed reducer, the winding drum and the shaft coupling among all the transmission parts are arranged on the cantilever support of the stock rod box, and the integral stock rod has larger volume, so that the stock rod is limited in arrangement and inconvenient in overhaul and maintenance.

Disclosure of Invention

In order to solve the problems, the utility model provides a toothless transmission mechanical stock rod, which comprises a stock rod box body, a winding drum, a transmission shaft, a probe and a chain component, wherein the winding drum and the transmission shaft are arranged in the stock rod box body, the winding drum is arranged on the transmission shaft, the upper end of the chain component is fixedly connected with the winding drum, the lower end of the chain component downwards extends out of the stock rod box body to be connected with the probe, a permanent magnet synchronous motor is further arranged on the stock rod box body, and the output end of the permanent magnet synchronous motor is connected with the transmission shaft.

Further, the permanent magnet synchronous motor is arranged on the stock rod box body and directly drives the winding drum to rotate.

Further, the mechanical stock rod further comprises a detection device, and the detection device is arranged on the extending shaft of the permanent magnet synchronous motor or the extending shaft of the winding drum.

Further, the mechanical stock rod further comprises an overhaul valve, and the overhaul valve is arranged at the lower end part of the stock rod box body.

Further, the driving mode of the overhaul valve is manual, electric, pneumatic or hydraulic driving.

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

1) The gearless transmission mechanical stock rod provided by the utility model has a simple structure, adopts the permanent magnet synchronous motor as a driving force, is arranged on the stock rod box body, and has the output end connected with the transmission shaft positioned at the inner side of the stock rod box body, so that the transmission shaft can be directly driven to move, a transmission chain is shortened, transmission components such as a transmission gear box are omitted, the stock rod has a compact structure, and equipment is convenient to arrange;

2) Compared with the existing stock rod, the gearless transmission stock rod adopts the permanent magnet motor to directly drive the winding drum, so that a transmission chain is shortened, the assembly influence of a common motor, a speed reducer and a coupling is eliminated, and the stock detection sensitivity and precision of the stock rod are improved;

3) The toothless transmission mechanical stock rod provided by the utility model has the advantages of simple structure, low energy consumption, no greasy dirt, stable operation, convenience in maintenance and the like, and the output end of the permanent magnet synchronous motor is directly connected with the transmission shaft, so that fewer transmission parts are used, and the probability of faults of the stock rod can be obviously reduced.

Drawings

Fig. 1 is a schematic structural view of a toothless transmission mechanical stock rod of the present utility model.

1-a stock rod box body; 2-winding drum; 3-a transmission shaft; 4-bond (I); 5-baffle plates; 6-a chain assembly; 7-a probe; 8-overhauling a valve; 9-a first bearing; 10-a second bearing; 11-end caps; 12-permanent magnet synchronous motor; 13-a detection device; 14-Jian (two).

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model. In the drawings, the size and relative sizes of certain parts may be exaggerated for clarity.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected" and "coupled" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be used in any form, such as directly or indirectly through an intermediate medium, or may be used in any form of communication between two elements or in any form of interaction between two elements, and the terms are specifically understood by those of ordinary skill in the art.

In the description of the present utility model, the terms "upper", "lower", "left", "right", "front", "rear", and the like are used for convenience of description and simplicity of operation only, and do not denote or imply that the apparatus or elements in question must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model.

Furthermore, in the description of the present utility model, the terms "first," "second," and "third" are used merely to distinguish between the descriptions.

As shown in an attached drawing 1 of the specification, the utility model provides a toothless transmission mechanical stock rod, which comprises a stock rod box body 1, a winding drum 2, a transmission shaft 3, a probe 7 and a chain component 6, wherein the winding drum 2 and the transmission shaft 3 are arranged in the stock rod box body 1, the winding drum 2 is arranged on the transmission shaft 3, the upper end of the chain component 6 is fixedly connected with the winding drum 2, the lower end of the chain component downwards extends out of the outer side of the stock rod box body 1 and is connected with the probe 7, the stock rod box body 1 is further provided with a permanent magnet synchronous motor 12, the output end of the permanent magnet synchronous motor 12 is connected with the transmission shaft 3, and a steel wire rope or a chain can be connected between the probe 7 and the winding drum 2 for selection according to actual use requirements.

Specifically, permanent magnet synchronous motor 12 is installed on stock rod box 1, transmission shaft 3 is through first bearing 9 and the rotatable setting of second bearing 10 on stock rod box 1, transmission shaft 3 through healthy (second) 14 with permanent magnet synchronous motor 12's output is connected, transmission shaft 3 can rotate under permanent magnet synchronous motor 12's drive, simultaneously, reel 2 is installed through healthy (first) 4 on the transmission shaft 3, under transmission shaft 3's rotation, reel 2 can rotate along with transmission shaft 3, permanent magnet synchronous motor installs on the stock rod box, the reel of direct drive machinery stock rod rotates, need not to set up drive gear box, shortened the drive chain, eliminated ordinary motor, the speed reducer, the assembly influence of shaft coupling, improved stock rod's stock rod sensitivity and precision, chain assembly 6's upper end fixed connection is on reel 2, the lower extreme is connected with probe 7, in reel 2 rotation in-process, and chain assembly 6 can receive and release on reel 2, adjustable probe 7's height, and then track stock rod 12, and the synchronous motor has low frequency conversion, can be with the transmission shaft 3 rotation, can be used to the speed change, the speed change has been reduced, the speed change has been realized, and has improved, the speed change has been more flexible, and has been used, and has been driven, and has improved, and has been driven, and has been used.

In an optimized embodiment, the end of the transmission shaft 3 is provided with a baffle 5 for limiting the winding drum 2, the winding drum 2 is mounted on the transmission shaft 3 through a key (I) 4, the end of the transmission shaft 3 is provided with the baffle 5, so that the winding drum 2 can be further limited to avoid the movement along the axis, the baffle 5 is specifically detachably connected with the transmission shaft 3, the baffle 5 can be in threaded connection with the transmission shaft 3 or is connected on the transmission shaft through a buckle, and the winding drum 2 can be conveniently taken down to be mounted, replaced or maintained; preferably, an end cover 11 is arranged between the permanent magnet synchronous motor 12 and the transmission shaft 3, and the end cover 11 can limit the transmission shaft 3, so that left-right movement of the transmission shaft 3 is avoided, and the rotation of the transmission shaft 3 is more stable.

In an optimized embodiment, the mechanical stock rod further comprises a detection device 13, the detection device 13 is arranged on the extending shaft of the permanent magnet synchronous motor 12 and coaxially rotates with the winding drum 2, and is used for directly measuring the rotation number of the winding drum 2 and detecting the real-time position of the stock rod, and the detection device 13 can be arranged on the extending shaft of the winding drum 2 and measuring the rotation number of the winding drum.

The optimized embodiment, mechanical stock rod still includes maintenance valve 8, maintenance valve 8 sets up the lower tip of stock rod box 1, the lower tip of stock rod box 1 with the upper end connection of maintenance valve 8 carries out detachable through the bolt and connects for cut off in the stove with stock rod box 1 when overhauing, guarantee to overhaul safety, the drive mode of maintenance valve 8 is manual, electronic, pneumatic or hydraulic drive.

And all that is not described in detail in this specification is well known to those skilled in the art.

In summary, the utility model provides the toothless transmission mechanical stock rod, which has a simple structure, the permanent magnet synchronous motor is arranged on the stock rod box body, the output end of the permanent magnet synchronous motor is directly connected with the transmission shaft, the transmission shaft is sleeved with the winding drum, and the output end of the motor is directly connected with the transmission shaft, so that the transmission chain can be shortened, the transmission assembly is reduced, the transmission efficiency is improved, the transmission reliability is ensured, and the transmission shaft runs stably.

It will be appreciated by those skilled in the art that the utility model can be embodied in many other specific forms without departing from the spirit or scope of the utility model. Although an embodiment of the present utility model has been described, it is to be understood that the utility model is not limited to this embodiment, and that variations and modifications may be effected by one skilled in the art within the spirit and scope of the utility model as defined in the appended claims.

Claims (5)

1. The utility model provides a toothless transmission machinery stock rod, includes stock rod box, reel, transmission shaft, probe, chain subassembly, its characterized in that, the reel with the transmission shaft sets up in the stock rod box, the reel is installed on the transmission shaft, chain subassembly's upper end with reel fixed connection, the lower extreme downwardly extending stock rod box outside with the probe is connected, still install PMSM on the stock rod box, PMSM's output with the transmission shaft is connected.

2. The toothless transfer mechanical test rod of claim 1, wherein the permanent magnet synchronous motor is mounted on the test rod box body and directly drives the winding drum to rotate.

3. A toothless drive mechanical test unit according to claim 1, further comprising a detection device arranged on the projecting shaft of the permanent magnet synchronous motor or the projecting shaft of the reel.

4. The toothless drive mechanical test strip of claim 1, further comprising a service valve disposed at a lower end of the test strip housing.

5. The toothless drive mechanical test strip of claim 4, wherein the service valve is driven manually, electrically, pneumatically, or hydraulically.