CN212502577U

CN212502577U - Novel dragveyer chain breakage detects device

Info

Publication number: CN212502577U
Application number: CN202020947308.8U
Authority: CN
Inventors: 王刚
Original assignee: Qingdao Sizhou Heavy Industry Equipment Co ltd
Current assignee: Qingdao Sizhou Heavy Industry Equipment Co ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2021-02-09
Anticipated expiration: 2030-05-28

Abstract

The utility model relates to a novel dragveyer chain breakage detection device, including proximity switch, still include the mounting bracket, the mounting bracket is the "U" shape cell body of inversion, mounting bracket installation to action wheel and from the chain department between the driving wheel, the mounting bracket is detained downwards and is established extremely on the chain, proximity switch is fixed extremely on the mounting bracket and the orientation the chain. One purpose of the utility model is that after the transmission chain is broken, the chain falls down due to the gravity of the chain, so that the mounting frame falls out through the opening at the bottom of the mounting frame, the proximity switch is enabled to detect the loss of signal, and the chain breakage protection is started; the chain is directly detected, and is more direct than detecting from the driving wheel, more can judge the broken chain condition very first time to need not to set for complicated control program, and can not influenced by the functioning speed of dragveyer.

Description

Novel dragveyer chain breakage detects device

Technical Field

The utility model relates to an automation equipment field, more specifically, the utility model relates to a novel dragveyer chain breakage detection device.

Background

Slag removal of the slag dragging machine is generally realized by driving a scraper plate through a chain to remove slag, if the chain is broken, a chain breakage alarm signal needs to be sent to a control room in time so as to monitor the operation condition of the slag dragging machine in time and ensure the normal operation of the whole system.

The chain breakage detection device of the existing slag conveyor is generally arranged at a driven wheel, a detection point is arranged at the eccentric position of the driven wheel, a proximity switch detects the detection point, the proximity switch detects periodic change in the rotation process of the driven wheel, and if the detected period is too long, the chain breakage detection device judges that a transmission chain is broken, so that the slag conveyor is stopped. However, there are many disadvantages, for example, the slag dragging machine can be adjusted according to the amount of slag, so that the change period of the detection point generates large fluctuation, the detection program needs to be improved and upgraded to match different operation speeds, and the program is complex; and after the chain is broken, the driven wheel can continuously rotate for a period of time due to inertia, and the shutdown protection cannot be carried out in the period of time, so that the secondary damage of equipment is easily caused, and the injury to surrounding workers is seriously caused.

Therefore, a new chain breakage detection device for a slag conveyor is needed, which can improve the detection sensitivity and solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at solve the current broken chain detection device reliability poor or the comparatively complicated problem of procedure upgrading.

According to the utility model discloses an aspect provides a novel dragveyer chain breakage detection device, including proximity switch, still include the mounting bracket, the mounting bracket is the "U" shape cell body of inversion, mounting bracket installation to action wheel and follow chain department between the driving wheel, the mounting bracket is detained downwards and is established extremely on the chain, proximity switch is fixed to on the mounting bracket and the orientation the chain.

Through the scheme, after the conveying chain is broken, the chain falls down due to the gravity of the chain, so that the mounting frame falls out through the opening at the bottom of the mounting frame, the proximity switch is enabled to detect a loss signal, and the chain breakage protection is started; the chain is directly detected, and is more direct than detecting from the driving wheel, more can judge the broken chain condition very first time to need not to set for complicated control program, and can not influenced by the functioning speed of dragveyer.

Preferably, the number of the mounting racks is two, the number of the proximity switches is two, and the two proximity switches detect the chains on the upper layer and the lower layer respectively.

Through this scheme, all detect the upper and lower two-layer of chain, improve the reliability that the chain breakage detected.

Preferably, the proximity switch extends vertically through the mounting bracket and is mounted to an upper end of the mounting bracket.

Through this scheme, the proximity switch that is located the top can directly detect moving down of chain to improve the sensitivity.

Preferably, the proximity switch horizontally penetrates the mounting bracket and is mounted to a side surface of the mounting bracket.

Through the scheme, the side proximity switch allows the chain to shake up and down, so that false alarm is avoided, and the reliability of the device is improved.

Preferably, a sliding plate is arranged at the bottom of one side wall of the mounting rack, on which the proximity switch is mounted, and the sliding plate is inclined towards one side far away from the proximity switch.

By the scheme, the falling chain can be guided by the obliquely arranged sliding plate and is far away from the proximity switch, so that the accuracy and reliability of chain breakage detection are improved; the slide can also play certain limiting action to the shake of chain, avoids the distance of shake about it too big and produce the wrong report.

Preferably, the mounting bracket comprises a mounting bracket body and a mounting bracket body, wherein the mounting bracket bodies are mounted on the mounting bracket body; the support frame is provided with a chute which is vertically arranged, and the mounting frame is connected to the chute through bolts.

Through this scheme, the convenience is installed and is debugged the mounting bracket to distance between the mounting bracket is adjustable, thereby adapts to the dragveyer of different specifications.

Preferably, one side of the sliding groove is provided with a plurality of first clamping grooves, and the diameter of each first clamping groove is not smaller than that of the bolt.

Through this scheme, improve the stability after the mounting bracket installation, avoid the gliding.

Preferably, a plurality of second clamping grooves are arranged on one side of the support frame in parallel with the sliding groove, and the second clamping grooves correspond to the first clamping grooves one to one; the mounting frame is connected to the first clamping groove and the second clamping groove through different bolts.

Through this scheme, further improve the stability after the mounting bracket installation, avoid producing the rotation slope.

The utility model has the technical effects that the device has simple structure, has higher sensitivity compared with the traditional broken chain detection device, and can reduce or avoid the influence of chain inertia; the device has simple control program, and is convenient and easy to debug and reform.

Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.

Fig. 1 is a schematic view of an installation position of a novel chain breakage detection device for a slag conveyor according to a first embodiment of the present invention.

Fig. 2 is a schematic structural diagram of the novel dragveyer chain breakage detection device in fig. 1.

Fig. 3 is a schematic sectional view along a-a in fig. 2.

Fig. 4 is a schematic view of an installation structure of an installation frame in the novel dragveyer chain breakage detection device of the second embodiment of the present invention.

Fig. 5 is a schematic sectional view along the direction B-B in fig. 4.

Wherein like parts are designated by like reference numerals throughout the several views; the figures are not drawn to scale.

Detailed Description

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

Techniques and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be considered a part of the specification where appropriate.

In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

Example one

As shown in fig. 1 to 3, the novel chain breakage detection device for a slag conveyor in this embodiment includes a proximity switch 1100, and further includes a mounting bracket 1200, where the mounting bracket 1200 is an inverted "U" -shaped groove, the mounting bracket 1200 is mounted to a chain 2000 between a driving wheel and a driven wheel, the mounting bracket 1200 is buckled downward to the chain 2000, and the proximity switch 1100 is fixed to the mounting bracket 1200 and faces the chain 2000.

Through the scheme of the embodiment, after the chain 2000 is broken, the chain 2000 falls down due to the gravity of the chain 2000, so that the mounting frame 1200 falls out through the opening at the bottom of the mounting frame 1200, the proximity switch 2000 loses the detection signal, and the chain breakage protection is started; the chain 2000 is directly detected, more directly than the driven wheel is detected, the chain breaking condition can be judged at the first time, a complex control program does not need to be set, and the influence of the running speed of the slag conveyor is avoided.

In this embodiment or other embodiments, there are two mounting frames 1200, there are two proximity switches 1100 correspondingly, and the two proximity switches 1100 respectively detect the chains 2000 on the upper layer and the lower layer. Since there is a possibility that the chain 2000 is broken at the upper stage or the lower stage, the upper and lower stages of the chain 2000 are both detected, and the downward displacement of the chain 2000 after the breakage at any position can be detected, thereby improving the reliability of the chain breakage detection.

In this or other embodiments, the proximity switch 1100 extends vertically through the mounting block 1200 and is mounted to the upper end of the mounting block 1200. The proximity switch 1100 located at the top can directly detect the downward movement of the chain 2000, thereby improving the sensitivity. Since the proximity switch 1100 has a certain sensing distance, when the distance is exceeded, the proximity switch 1100 cannot sense, thereby turning on or off the signal.

In this embodiment or other embodiments, the present invention further includes a supporting frame 1300, and the mounting frames 1200 are mounted on the supporting frame 1300; the supporting frame 1300 is provided with a sliding slot 1310 arranged vertically, and the mounting frame 1200 is connected to the sliding slot 1310 through a bolt 1320. The mounting frame 1200 is convenient to install and debug, and the distance between the mounting frames 1200 is adjustable, so that the transmission system of the slag conveyor with different specifications is adapted.

In this embodiment or other embodiments, a plurality of first locking grooves 1301 are disposed on one side of the sliding groove 1310, and a diameter of the first locking grooves 1301 is not smaller than a diameter of the bolt 1320. The bolt 1320 is clamped into the first clamping groove 1301 and locked, so that the stability of the mounting frame 1200 after mounting can be improved, and the mounting frame is prevented from sliding downwards.

In this embodiment or other embodiments, a plurality of second card slots 1302 are further arranged on one side of the supporting frame 1300 parallel to the sliding slot 1310, the second card slots 1302 correspond to the first card slots 1301 in a one-to-one manner, and the openings of the second card slots 1302 and the first card slots 1301 are in the same direction; the mounting brackets 1200 are connected to the first and

second slots

1301, 1302 by different bolts 1320. When the mounting bracket 1200 is adjusted, firstly two bolts 1320 are loosened, after the height of the mounting bracket 1200 is adjusted, the mounting bracket 1200 is horizontally moved, the two bolts 1320 are respectively clamped into the first clamping groove 1301 and the second clamping groove 1302, and then the bolts 1320 are screwed down, so that the stability of the mounting bracket 1200 after installation is further improved, and the phenomenon of rotation inclination is avoided.

One technical effect of this embodiment is that the device has a simple structure, has higher sensitivity than the conventional chain breakage detection device, and can reduce or avoid the influence of chain inertia; the device has simple control program, and is convenient and easy to debug and reform.

Example two

As shown in fig. 4 and 5, the chain breakage detection device of the novel dragveyer in the present embodiment is different from the technical solution in the above embodiments in that the proximity switch 1100 horizontally penetrates through the mounting frame 1200 and is mounted to a side surface of the mounting frame 1200.

By the scheme of the embodiment, the side proximity switch 1100 allows the chain 2000 to shake up and down, so that false alarm is avoided, and the reliability of the device is improved.

In this embodiment or other embodiments, a bottom of a side wall of the mounting bracket 1200, on which the proximity switch 1100 is mounted, is provided with a sliding plate 1210, and the sliding plate 1210 is inclined toward a side away from the proximity switch 1100. The slide plate 1210 which is arranged in an inclined manner can guide the falling chain 2000, so that the chain 2000 is far away from the proximity switch 1100 and is separated from the detection range of the proximity switch 1100 as soon as possible, and the accuracy and reliability of chain breakage detection are improved; the sliding plate 1210 can also limit the shaking of the chain 2000 to a certain extent, and avoid the false alarm caused by the overlarge distance between the upper shaking and the lower shaking.

Although some specific embodiments of the present invention have been described in detail by way of illustration, it should be understood by those skilled in the art that the above illustration is only for purposes of illustration and is not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims

1. The utility model provides a novel dragveyer chain breakage detection device, includes proximity switch, its characterized in that still includes the mounting bracket, the mounting bracket is "U" shape cell body of inversion, the mounting bracket is installed to the action wheel and is followed the chain department between the driving wheel, the mounting bracket is detained downwards and is established extremely on the chain, proximity switch is fixed extremely on the mounting bracket and the orientation the chain.

2. The novel dragveyer chain breakage detection device as claimed in claim 1, wherein there are two of the mounting brackets, there are two of the proximity switches, and the two proximity switches detect the chains of the upper layer and the lower layer respectively.

3. The novel dragveyer chain breakage detection device of claim 2 wherein the proximity switch extends vertically through the mounting bracket and is mounted to an upper end of the mounting bracket.

4. The novel dragveyer chain breakage detection device of claim 2 wherein the proximity switch extends horizontally through the mounting bracket and is mounted to a side of the mounting bracket.

5. The novel dragveyer chain breakage detection device of claim 4, wherein a slide plate is arranged at the bottom of a side wall of the mounting rack on which the proximity switch is mounted, and the slide plate is inclined towards a side away from the proximity switch.

6. The novel dragveyer chain breakage detection device as claimed in any one of claims 1 to 5, further comprising a support frame, the mounting brackets being mounted to the support frame; the support frame is provided with a chute which is vertically arranged, and the mounting frame is connected to the chute through bolts.

7. The novel dragveyer chain breakage detection device of claim 6, wherein one side of the chute is provided with a plurality of first clamping grooves, and the diameter of the first clamping grooves is not smaller than the diameter of the bolt.

8. The novel chain breakage detection device for the slag conveyor according to claim 7, wherein a plurality of second clamping grooves are arranged on one side of the support frame in parallel with the sliding grooves, and the second clamping grooves are in one-to-one correspondence with the first clamping grooves; the mounting frame is connected to the first clamping groove and the second clamping groove through different bolts.