CN214732214U - Safety limit switch of lifting conveyor - Google Patents
Safety limit switch of lifting conveyor Download PDFInfo
- Publication number
- CN214732214U CN214732214U CN202120987058.5U CN202120987058U CN214732214U CN 214732214 U CN214732214 U CN 214732214U CN 202120987058 U CN202120987058 U CN 202120987058U CN 214732214 U CN214732214 U CN 214732214U
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- China
- Prior art keywords
- conveyor
- limit switch
- lifting conveyor
- guide rail
- rotary
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- 230000004888 barrier function Effects 0.000 claims abstract description 52
- 235000019504 cigarettes Nutrition 0.000 claims abstract description 15
- 241000208125 Nicotiana Species 0.000 claims abstract description 5
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims abstract description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 230000003028 elevating effect Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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- Intermediate Stations On Conveyors (AREA)
Abstract
A safety limit switch of a lifting conveyor comprises a rotary barrier strip and a guide rail, wherein the rotary barrier strip is arranged on a rack at the tail end of a preorder conveyor, the guide rail is arranged on the rack of the lifting conveyor at a certain angle with a horizontal plane, and the guide rail is positioned below the rotary barrier strip; when the lifting conveyor is not lifted in place, the rotating barrier strips are in a vertical state, the guide rails are not in contact with the rotating barrier strips, and the cigarette packets are blocked by the rotating barrier strips; when the elevator ascends to the right position, the rotating barrier strips are in contact with the guide rails and rotate to be parallel to the horizontal plane under the driving of the guide rails, and the cigarette packet is not blocked by the rotating barrier strips. The utility model discloses the purpose prevents through mechanical type limit switch that lifting conveyor does not put in place and makes the tobacco bale fall, causes incident and equipment damage.
Description
Technical Field
The utility model belongs to safety limit switch, concretely relates to lift conveyer safety limit switch.
Background
The lifting conveyor is used as a component of a corridor logistics system, is used as a channel for conveying tobacco packages and is connected with a warehouse and a production site, and plays a vital role in ensuring the orderly production. The corridor logistics system used at present adopts a roller-way conveyor, and the signal of a photoelectric switch is used for controlling the conveying of the cigarette packets, so that the cigarette packets are conveyed from a high position to a low position. In production and application, it is found that the cigarette packet on the preorder conveyor before the lifting conveyor can be continuously conveyed forwards due to the failure of the photoelectric switch under the condition that the lifting conveyor is not in place, so that the cigarette packet falls from a high position in the lifting well, and safety accidents and equipment damage can be caused.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the purpose prevents through mechanical type limit switch that lifting conveyor does not put in place and makes the tobacco bale fall, causes incident and equipment damage.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a safety limit switch of a lifting conveyor comprises a rotary barrier strip and a guide rail, wherein the rotary barrier strip is arranged on a rack at the tail end of a preorder conveyor, the guide rail is arranged on the rack of the lifting conveyor at a certain angle with a horizontal plane, and the guide rail is positioned below the rotary barrier strip;
when the lifting conveyor is not lifted in place, the rotating barrier strips are in a vertical state, the guide rails are not in contact with the rotating barrier strips, and the cigarette packets are blocked by the rotating barrier strips;
when the elevator ascends to the right position, the rotating barrier strips are in contact with the guide rails and rotate to be parallel to the horizontal plane under the driving of the guide rails, and the cigarette packet is not blocked by the rotating barrier strips.
Further, a bearing is arranged at the lower part of the rotating barrier strip, and the rotating barrier strip is in contact with the guide rail through the bearing.
Furthermore, when the rotary barrier is in a vertical state, the upper end of the rotary barrier is higher than the conveying surface of the preorder conveyor.
Preferably, the rotary barrier is arranged on a frame at the tail end of the front conveyor through a stepped shaft.
Preferably, the rotating barrier is made of flat iron.
Preferably, the guide rail is a Z-shaped structure made of flat iron.
Preferably, the guide rail forms an angle a with the horizontal plane, wherein the angle a is more than or equal to 0 degrees and less than or equal to 90 degrees.
The utility model discloses beneficial effect:
the utility model discloses a mechanical type limit switch sets up, plays the effect of blockking through rotatory blend stop to the tobacco bale when elevating conveyor does not rise to target in place, prevents the flue accident of falling that leads to because of the photoelectric switch trouble, its simple structure, and the security is high, has effectively avoided general photoelectric switch's trouble problem.
Drawings
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a side view of the present invention;
fig. 2 is a front view of the present invention;
fig. 3 is a top view of the present invention;
in the figure: the device comprises a rotary barrier strip 1, a guide rail 2, a rotary base 3, a guide rail bracket 4, a bearing 5 and a stepped shaft 6.
Detailed Description
Example (b):
referring to fig. 1, a safety limit switch of a lifting conveyor comprises a rotary barrier strip and a guide rail. Preferably, the rotating barrier is a rectangular structure made of flat iron, the width of the rotating barrier is customized according to the size of a cigarette packet so as to play an effective blocking role, the rotating barrier is installed on a rotating base arranged on a frame at the tail end of the preorder conveyor, and the rotating base is welded on the frame of the preorder conveyor. The preorder conveyor is a belt conveyor or a chain conveyor, and the conveying direction of the preorder conveyor is the horizontal direction. The middle part of the rotary barrier strip is installed through a stepped shaft arranged on the rotary base and surrounds the stepped shaft to rotate, and a bearing is installed on the lower part of the rotary barrier strip.
The guide rail and the horizontal plane form a certain angle and are arranged on the lifting conveyor frame, the guide rail is positioned below the rotary barrier strip, the angle formed by the guide rail and the horizontal plane is a, and the angle a is greater than or equal to 0 degree and less than or equal to 90 degrees. Preferably, the guide rail is a Z-shaped structure made of flat iron and is located right below the rotary stop lever.
The working principle is as follows:
when the elevator conveyor does not ascend in place, the guide rail is not in contact with the bearing of the rotary barrier strip, the rotary barrier strip is vertical to the ground, the upper part of the rotary barrier strip is higher than the conveying surface of the pre-conveyor, and the higher part of the rotary barrier strip plays a role in blocking cigarette packets, so that the cigarette packets can be prevented from continuously moving towards the elevator conveyor; when the lifting conveyor continuously ascends, the guide rail is in rolling contact with the bearing of the rotary barrier strip, the bearing slides along the guide rail to drive the rotary barrier strip to rotate to the ground parallel, when the rotary barrier strip is parallel to the ground, the lifting conveyor ascends in place, the rotary barrier strip cannot stop the cigarette packet, and the cigarette packet is conveyed to the lifting conveyor from the preorder conveyor, so that automatic safety confirmation and release of the cigarette packet on the preorder conveyor are realized.
Claims (7)
1. The utility model provides a lift conveyer safety limit switch which characterized in that: the device comprises a rotary barrier strip and a guide rail, wherein the rotary barrier strip is arranged on a rack at the tail end of a preorder conveyor, the guide rail and a horizontal plane form a certain angle and are arranged on a rack of a lifting conveyor, and the guide rail is positioned below the rotary barrier strip;
when the lifting conveyor is not lifted in place, the rotating barrier strips are in a vertical state, the guide rails are not in contact with the rotating barrier strips, and the cigarette packets are blocked by the rotating barrier strips;
when the lifting conveyor rises to the right position, the rotating barrier strips are in contact with the guide rails and rotate to be parallel to the horizontal plane under the driving of the guide rails, and the tobacco bale is not blocked by the rotating barrier strips.
2. A safety limit switch for a lifting conveyor as claimed in claim 1, wherein: the lower part of the rotating barrier strip is provided with a bearing, and the rotating barrier strip is in contact with the guide rail through the bearing.
3. A safety limit switch for an elevating conveyor as claimed in claim 1 or 2, wherein: when the rotary barrier is in a vertical state, the upper part of the rotary barrier is higher than the conveying surface of the preorder conveyor.
4. A safety limit switch for a lifting conveyor as claimed in claim 3, wherein: the rotary barrier strip is arranged on a frame at the tail end of the preorder conveyor through a step shaft.
5. A safety limit switch for a lifting conveyor as in claim 4 wherein: the rotary barrier strip is made of flat iron.
6. A safety limit switch for a lifting conveyor as claimed in claim 1, wherein: the angle formed by the guide rail and the horizontal plane is a, wherein a is more than or equal to 0 degree and less than or equal to 90 degrees.
7. A safety limit switch for a lifting conveyor as claimed in claim 1 or 6, wherein: the guide rail is of a Z-shaped structure made of flat iron.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2021202817775 | 2021-02-01 | ||
| CN202120281777 | 2021-02-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214732214U true CN214732214U (en) | 2021-11-16 |
Family
ID=78620323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120987058.5U Active CN214732214U (en) | 2021-02-01 | 2021-05-10 | Safety limit switch of lifting conveyor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214732214U (en) |
-
2021
- 2021-05-10 CN CN202120987058.5U patent/CN214732214U/en active Active
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