CN212328582U - Safety device of material crushing equipment - Google Patents
Safety device of material crushing equipment Download PDFInfo
- Publication number
- CN212328582U CN212328582U CN202020673377.4U CN202020673377U CN212328582U CN 212328582 U CN212328582 U CN 212328582U CN 202020673377 U CN202020673377 U CN 202020673377U CN 212328582 U CN212328582 U CN 212328582U
- Authority
- CN
- China
- Prior art keywords
- proximity switch
- protective cover
- safety device
- mechanical
- material crushing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000463 material Substances 0.000 title claims abstract description 16
- 230000001681 protective effect Effects 0.000 claims abstract description 38
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 208000027418 Wounds and injury Diseases 0.000 abstract description 5
- 230000006378 damage Effects 0.000 abstract description 5
- 208000014674 injury Diseases 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000001125 extrusion Methods 0.000 abstract description 2
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 239000003245 coal Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Crushing And Pulverization Processes (AREA)
- Disintegrating Or Milling (AREA)
Abstract
The utility model discloses a safety device of material crushing equipment, which comprises a crusher case, and a protective cover and a protective device which are arranged on the crusher case, wherein the protective cover is connected with the upper part of the crusher case through a rotating shaft, the protective device is arranged at the inner side of the crusher case through a bracket and is positioned below the protective cover, and the protective device is provided with a mechanical proximity switch and an electronic proximity switch which are arranged on the bracket and are used for monitoring the switch of the protective cover; when the safety device of the material crushing equipment designed by the utility model is used for equipment maintenance, maintenance and spare part replacement, and the protective cover is opened, the equipment is automatically powered off and can not operate, thereby effectively avoiding other personal injuries such as extrusion injury caused by misoperation of personnel and protecting the operating personnel; and the safety device is provided with double protection of the mechanical proximity switch and the electronic proximity switch, so that the electronic proximity switch can continue to play a safety protection role when the mechanical proximity switch is prevented from being damaged by the vibration of the crusher.
Description
Technical Field
The utility model relates to a material crushing equipment technical field, concretely relates to material crushing equipment's safety device.
Background
The jaw crusher is suitable for the industries of coal, mines, metallurgy, chemical industry, building materials and the like, and is more suitable for crushing raw coal (containing gangue) in large-scale coal mines or coal preparation plants. The jaw crusher consists of a transmission device, a frame part, a jaw plate, a mechanical spring device, a linkage mechanism and the like. When the jaw plate of the jaw crusher is abraded to a certain degree, the jaw crusher must be replaced or repaired in order to avoid safety production accidents. When the jaw plate in the jaw crusher is replaced or maintained, the protective cover is opened, and the equipment is possibly extruded or seriously injured by people due to misoperation and other reasons. The jaw crusher has the safety problem in the process of replacing or repairing the jaw plate. Therefore, the safety device which can not bring personal injury and production safety accidents even under the condition of starting equipment by misoperation in the processes of equipment point inspection, maintenance and spare part replacement is a problem to be solved.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model aims to provide a safety device of material crushing equipment.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a safety device of material crushing equipment, includes breaker machine case and installs protective cover and protection device on breaker machine case, the protective cover is connected on breaker machine case upper portion through the pivot, and protection device passes through the support mounting and just is located the below of protective cover at breaker machine incasement side, and protection device is equipped with mechanical type proximity switch and the electron proximity switch of installing on the support for monitor protective cover's switch.
Specifically, mechanical type proximity switch passes through cable series connection electron proximity switch, and electron proximity switch passes through cable series connection contactor coil, and the contactor coil passes through the cable and establishes ties on the equipment circuit of breaker for the protective cover forms the single-control route when approaching mechanical type proximity switch and electron proximity switch.
Specifically, the fixed column one end welding that the support was equipped with is on the inner wall of breaker machine case, and the fixed column other end welding has the fixed plate, is fixed with the mounting panel on the fixed plate, and mechanical type proximity switch and electron proximity switch are installed respectively to the mounting panel both ends, and mechanical type proximity switch and electron proximity switch upper portion response end up, and are close the protective cover.
Specifically, the mounting panel adopts the steel sheet that length is 100mm, width are 50mm, thickness are 5mm, and the fixed plate is connected at the steel sheet center, and the steel sheet both ends are punched and are installed mechanical type proximity switch and electron proximity switch.
Specifically, the fixed column is 90mm from the edge of the protective cover, and the lower edge of the fixed column is 2.5mm from the edge of the protective cover when the protective cover is closed.
The utility model discloses following beneficial effect has:
when the safety device of the material crushing equipment designed by the utility model is used for equipment maintenance, maintenance and spare part replacement, and the protective cover is opened, the equipment is automatically powered off and can not operate, thereby effectively avoiding other personal injuries such as extrusion injury caused by misoperation of personnel and protecting the operating personnel; and the safety device is provided with double protection of the mechanical proximity switch and the electronic proximity switch, so that the electronic proximity switch can continue to play a safety protection role when the mechanical proximity switch is prevented from being damaged by the vibration of the crusher.
Drawings
Fig. 1 is a schematic view of the construction of a safety device of a material crushing plant.
Fig. 2 is a schematic view of the mounting structure of the safety device.
In the figure: 1-crusher box; 2-a protective cover; 3-a protection device; 4-a scaffold; 301-mechanical proximity switches; 302-electronic proximity switches; 401-fixed columns; 402-a fixed plate; 403-mounting the board.
Detailed Description
The technical solution in the embodiments of the present invention will be described in further detail in the following clearly and completely with reference to the accompanying drawings in the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-2, a safety device of a material crushing apparatus comprises a crusher case 1, and a protective cover 2 and a protection device 3 mounted on the crusher case 1, wherein the protective cover 2 is connected to the upper portion of the crusher case 1 through a rotating shaft, the protection device 3 is mounted inside the crusher case 1 through a support 4 and is located below the protective cover 2, and the protection device 3 is provided with a mechanical proximity switch 301 and an electronic proximity switch 302 mounted on the support 4 for monitoring the switch of the protective cover 2.
The embodiment of the utility model provides a: 1) manufacturing the bracket 4:
one end of a fixing column 401 arranged on the support 4 is welded on the inner wall of the crusher case 1, the other end of the fixing column 401 is welded with a fixing plate 402, a mounting plate 403 is fixed on the fixing plate 402, a mechanical proximity switch 301 and an electronic proximity switch 302 are respectively mounted at two ends of the mounting plate 403, and the upper sensing ends of the mechanical proximity switch 301 and the electronic proximity switch 302 face upwards and are close to the protective cover 2. The mounting plate 403 is a steel plate with the length of 100mm, the width of 50mm and the thickness of 5mm, the center of the steel plate is connected with the fixing plate 402, and the mechanical proximity switch 301 and the electronic proximity switch 302 are installed at two ends of the steel plate through punching.
2) Installation of the safety device 3:
the fixed column 401 is 90mm away from the edge of the protective cover 2, and the fixed column 401 is 2.5mm away from the lower edge of the protective cover 2 when closed. The mechanical proximity switch 301 is connected with the electronic proximity switch 302 in series through a cable, the electronic proximity switch 302 is connected with the contactor coil in series through the cable, and the contactor coil is connected with the equipment circuit of the crusher in series through the cable and used for forming a single control path when the protective cover is close to the mechanical proximity switch 301 and the electronic proximity switch 302. Thus, when the mechanical proximity switch 301 and the electronic proximity switch 302 jointly sense the protective cover 2, and the protective cover 2 is opened, the line is disconnected, and the power of the equipment is automatically cut off.
3) Method of use of the security device 3:
when the crusher equipment normally operates, the mechanical proximity switch 301 and the electronic proximity switch 302 are in an electrified state, when the protective cover 2 needs to be opened, any one of the mechanical proximity switch 301 and the electronic proximity switch 302 senses the power failure, so that the contactor coil is powered off, the whole equipment is powered off and cannot operate, and a protection effect is achieved.
The utility model discloses not be limited to above-mentioned embodiment, anybody should learn the structural change who makes under the teaching of the utility model, all with the utility model discloses have the same or close technical scheme, all fall into the utility model discloses an within the protection scope.
The technology, shape and construction parts which are not described in detail in the present invention are all known technology.
Claims (5)
1. The utility model provides a safety device of material crushing equipment, its characterized in that includes breaker machine case and installs protective cover and protection device on breaker machine case, the protective cover is connected on breaker machine case upper portion through the pivot, and protection device passes through the support mounting at breaker machine incasement side, and is located the below of protective cover, and protection device is equipped with mechanical type proximity switch and the electron proximity switch of installing on the support for monitor protective cover's switch.
2. The safety device of a material crushing plant of claim 1, wherein the mechanical proximity switch is connected in series with the electronic proximity switch by a cable, the electronic proximity switch is connected in series with the contactor coil by a cable, and the contactor coil is connected in series with the plant circuit of the crusher by a cable, so that the protective cover forms a single control path when the protective cover is close to the mechanical proximity switch and the electronic proximity switch.
3. The safety device of a material crushing plant as claimed in claim 1, wherein the bracket is provided with a fixed column with one end welded to the inner wall of the crusher case and the other end welded to a fixed plate, the fixed plate is fixed with a mounting plate, the two ends of the mounting plate are respectively provided with a mechanical proximity switch and an electronic proximity switch, the upper sensing ends of the mechanical proximity switch and the electronic proximity switch face upwards and approach to the protective cover.
4. The safety device of the material crushing equipment as claimed in claim 3, wherein the mounting plate is a steel plate with the length of 100mm, the width of 50mm and the thickness of 5mm, the center of the steel plate is connected with the fixing plate, and the two ends of the steel plate are punched to mount the mechanical proximity switch and the electronic proximity switch.
5. The safety device of a material crushing plant of claim 3, wherein the fixed post is 90mm from the edge of the protecting cover and the fixed post is 2.5mm from the lower edge when the protecting cover is closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020673377.4U CN212328582U (en) | 2020-04-28 | 2020-04-28 | Safety device of material crushing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020673377.4U CN212328582U (en) | 2020-04-28 | 2020-04-28 | Safety device of material crushing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212328582U true CN212328582U (en) | 2021-01-12 |
Family
ID=74073499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020673377.4U Expired - Fee Related CN212328582U (en) | 2020-04-28 | 2020-04-28 | Safety device of material crushing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212328582U (en) |
-
2020
- 2020-04-28 CN CN202020673377.4U patent/CN212328582U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210112 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |