CN218222932U - Safety protection device for opening of shell of horizontal snail machine - Google Patents
Safety protection device for opening of shell of horizontal snail machine Download PDFInfo
- Publication number
- CN218222932U CN218222932U CN202222082319.6U CN202222082319U CN218222932U CN 218222932 U CN218222932 U CN 218222932U CN 202222082319 U CN202222082319 U CN 202222082319U CN 218222932 U CN218222932 U CN 218222932U
- Authority
- CN
- China
- Prior art keywords
- travel switch
- casing
- shell
- horizontal screw
- connecting rod
- 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.)
- Active
Links
Images
Abstract
The utility model provides a safety arrangement is opened to spiral shell machine casing crouches, two travel switch, travel switch installs one side on the frame, and travel switch's guide arm top links to each other with the one end of clamp plate, and the other end of clamp plate is fixed in the border of upper housing through housing screw, and one side that travel switch was kept away from to the upper housing is through connecting piece and frame, and lower casing is installed on the frame to be connected with the laminating of upper housing mutually. The utility model discloses simple structure, it is ingenious to think about, realizes through travel switch and clamp plate that the casing opens the safety protection function, low cost, convenient to use, the security improves 100%.
Description
Technical Field
The utility model belongs to the technical field of engineering machine tool, concretely relates to safety arrangement is opened to spiral shell machine casing crouches.
Background
The horizontal screw machine is a general-purpose device for performing solid-liquid separation by using centrifugal force generated by high-speed rotation: after the separated material enters the inside of the drum, the solid phase is quickly settled to the inner wall of the drum and the liquid phase is settled to the surface of the solid phase under the action of centrifugal force because of the density difference between the solid and the liquid. The rotary drum and the spiral rotate in the same direction, a rotation speed difference exists between the rotary drum and the spiral, a solid phase is pushed to a slag hole at the small end of the rotary drum under the action of the spiral, a liquid phase is naturally discharged through a liquid outlet on a large end cover shaft, the machine shell is installed on the machine base of the horizontal screw machine, rotary members such as the rotary drum work in the machine shell, the horizontal screw machine is a machine rotating at a high speed, and the machine shell must be in a locking closing state during normal work, so that the rotary part of the horizontal screw machine is protected safely. When overhauing the spiral shell machine crouches at engineering actual scene, the casing usually need be opened to the maintenance personal, overhaul the completion back, will close the casing and just can restart the spiral shell machine crouches behind the locking casing, but maintenance personal is convenient sometimes, often just starts the spiral shell machine crouches under the condition that the casing was opened, under the effect of high-speed centrifugal force, the rotary drum rotating part has small parts such as screw to throw out easily, this just leads to the fact the incident easily, cause the injury for the field personnel, bring the potential safety hazard for manufacturing enterprise.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome prior art not enough, provide a safety arrangement is opened to spiral shell machine casing crouches, realize the casing through two travel switch of installation and clamp plate on the frame and open safety protection function.
The utility model provides a safety arrangement is opened to spiral shell machine casing crouches, two travel switch (4), travel switch (4) are installed in one side on frame (5), the guide arm top of travel switch (4) links to each other with the one end of clamp plate (3), the other end of clamp plate (3) is fixed in the border of last casing (1) through housing screw (2), connecting piece and frame (5) are passed through to one side that travel switch (4) were kept away from in last casing (1), install on frame (5) lower casing (6), and be connected with laminating mutually of last casing (1).
As a further technical scheme of the utility model, travel switch (4) adopt direct-acting travel switch, and travel switch (4) include guide arm (41), spring (42), normally open contact (44) and normally closed contact (43), and spring (42) cup joint on guide arm (41), and normally open contact (44) are installed to the bottom of guide arm (41), and normally closed contact (43) are installed in the middle section of guide arm (41).
Furthermore, the connecting piece comprises a first connecting rod and a second connecting rod, the first connecting rod and the second connecting rod are hinged to form a rotating pair, the first connecting rod is connected with the upper shell (1), and the second connecting rod is fixedly connected to the base (5).
Furthermore, the upper shell (1) can be fixedly connected with the lower shell (6) through a compression screw (2).
Furthermore, the signal end of the travel switch (4) is connected with the electric cabinet of the horizontal screw machine.
The utility model also provides a control method of the safety protection device for opening the shell of the horizontal screw machine, in particular to,
if the normally open contacts (44) of the two travel switches are closed and the normally closed contacts (43) are opened, the horizontal screw machine is started, and if the two normally open contacts (44) are opened and the normally closed contacts (43) are closed, the horizontal screw machine cannot be started;
after the upper shell (1) is closed and the compression screw (2) is in a locking state, the guide rod (41) in the travel switch (4) is pressed downwards by the pressure plate (3), the normally closed contact (43) is opened, the normally open contact (44) is closed, a signal of the normally open contact is transmitted to the electric cabinet of the horizontal screw machine, and the electric cabinet starts the horizontal screw machine;
after the upper machine shell (1) is opened, the normally closed contact (43) is closed and the normally open contact (44) is opened under the elastic force action of the spring (42) in the stroke switch (4), and the signal of the normally closed contact is transmitted to the electric cabinet of the horizontal screw machine, so that the electric cabinet cannot start the horizontal screw machine.
The utility model has the advantages of, simple structure thinks about ingeniously, realizes through travel switch and clamp plate that the casing opens the safety protection function, low cost, convenient to use, the security improves 100%.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic diagram of the operation of the lower stroke switch of the upper case in a closed state;
fig. 3 is a schematic diagram of the operation of the stroke switch in the open state of the upper casing according to the present invention.
In the figure: 1. the device comprises an upper shell, 2 compression screws, 3 compression plates, 4 travel switches, 5 engine bases, 6 lower shell, 41 guide rods, 42 springs, 43 normally closed contacts and 44 normally open contacts.
Detailed Description
Referring to fig. 1, the present embodiment provides a safety protection device for opening a housing of a horizontal screw machine, which comprises two travel switches 4, wherein the travel switches 4 are installed on one side of a base 5, the top end of a guide rod of the travel switch 4 is connected with one end of a pressing plate 3, the other end of the pressing plate 3 is fixed on the edge of an upper housing 1 through a compression screw 2, one side of the upper housing 1, which is far away from the travel switch 4, is connected with the base 5 through a connecting piece, and a lower housing 6 is installed on the base 5 and is connected with the upper housing 1 in a fitting manner.
The travel switch 4 is a direct-acting travel switch, the travel switch 4 comprises a guide rod 41, a spring 42, a normally open contact 44 and a normally closed contact 43, the spring 42 is sleeved on the guide rod 41, the normally open contact 44 is mounted at the bottom end of the guide rod 41, and the normally closed contact 43 is mounted at the middle section of the guide rod 41.
The connecting piece includes head rod and second connecting rod, and head rod and second connecting rod are articulated mutually, constitute the revolute pair, and head rod links to each other with upper casing 1, and the second connecting rod links firmly on frame 5.
The upper casing 1 can be fixedly connected with the lower casing 6 through the compression screw 2.
The signal end of the travel switch 4 is connected with an electric cabinet of the horizontal screw machine.
The control method of the device comprises the following steps:
referring to fig. 2 and 3, if the normally open contacts 44 of the two travel switches are closed and the normally closed contact 43 is opened, the horizontal screw machine is started, and if the two normally open contacts 44 are opened and the normally closed contact 43 is closed, the horizontal screw machine cannot be started;
when the upper machine shell 1 is closed and the compression screw 2 is in a locking state, the guide rod 41 in the travel switch 4 is pressed downwards by the pressure plate 3, the normally closed contact 43 is opened, the normally open contact 44 is closed, a signal of the normally open contact is transmitted to the electric cabinet of the horizontal screw machine, and the electric cabinet starts the horizontal screw machine;
after the upper machine shell 1 is opened, under the elastic force action of the spring 42 in the stroke switch 4, the normally closed contact 43 is closed, the normally open contact 44 is opened, at the moment, a signal of the closed normally closed contact is transmitted to the electric cabinet of the horizontal screw machine, and the electric cabinet cannot start the horizontal screw machine.
The device has the advantages of simple structure, ingenious design, low cost, convenience in use and 100% improvement in safety, and realizes the safety protection function of opening the machine shell through the travel switch and the pressing plate.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the details of the foregoing embodiments, which are provided for the purpose of illustrating the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, all of which are intended to be included within the scope of the invention as claimed. The scope of the invention is defined by the claims and their equivalents.
Claims (5)
1. The utility model provides a safety arrangement is opened to spiral shell machine casing crouches, a serial communication port, includes two travel switch (4), travel switch (4) install the one side on frame (5), the guide arm top of travel switch (4) links to each other with the one end of clamp plate (3), the border that the other end of clamp plate (3) was fixed in last casing (1) through housing screw (2), go up one side that travel switch (4) were kept away from in casing (1) pass through the connecting piece with frame (5), lower casing (6) install in on frame (5), and with go up casing (1) and laminate mutually and be connected.
2. The safety protection device for opening of the shell of the horizontal screw machine is characterized in that the travel switch (4) is a direct-acting travel switch, the travel switch (4) comprises a guide rod (41), a spring (42), a normally open contact (44) and a normally closed contact (43), the spring (42) is sleeved on the guide rod (41), the normally open contact (44) is installed at the bottom end of the guide rod (41), and the normally closed contact (43) is installed at the middle section of the guide rod (41).
3. The safety protection device for shell opening of horizontal screw machine according to claim 1, wherein said connecting member comprises a first connecting rod and a second connecting rod, said first connecting rod and said second connecting rod are hinged to form a revolute pair, said first connecting rod is connected with said upper shell (1), and said second connecting rod is fixed on said base (5).
4. A horizontal screw machine casing opening safety protection device according to claim 1, characterized in that the upper casing (1) can be fixedly connected with the lower casing (6) through the compression screw (2).
5. The safety protection device for opening of the shell of the horizontal screw machine is characterized in that a signal end of the travel switch (4) is connected with an electric cabinet of the horizontal screw machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222082319.6U CN218222932U (en) | 2022-08-09 | 2022-08-09 | Safety protection device for opening of shell of horizontal snail machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222082319.6U CN218222932U (en) | 2022-08-09 | 2022-08-09 | Safety protection device for opening of shell of horizontal snail machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218222932U true CN218222932U (en) | 2023-01-06 |
Family
ID=84679837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222082319.6U Active CN218222932U (en) | 2022-08-09 | 2022-08-09 | Safety protection device for opening of shell of horizontal snail machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218222932U (en) |
-
2022
- 2022-08-09 CN CN202222082319.6U patent/CN218222932U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN218222932U (en) | Safety protection device for opening of shell of horizontal snail machine | |
| CN210694612U (en) | Protection device for remote monitoring equipment | |
| CN211374981U (en) | Circuit breaker quality auxiliary detection equipment | |
| CN115445793A (en) | Safety protection device for opening of shell of horizontal screw machine and control method | |
| CN212040796U (en) | Noise-reducing and jamming-preventing cutter head device of garbage processor | |
| CN218347145U (en) | Power distribution cabinet door capable of safely preventing burglary | |
| CN113333117A (en) | High-efficient type traditional chinese medicine crushing apparatus | |
| CN213160648U (en) | Horizontal discharging mechanism of mixing machine | |
| CN201919571U (en) | Power interruption limit mechanism with pneumatic support rod | |
| CN202957503U (en) | Chassis truck for door-closing interlocking | |
| CN109507022B (en) | Building concrete test block press | |
| CN220915077U (en) | Cover opening self-braking structure of rotating device | |
| CN220763211U (en) | Recovery unit case for nylon waste material | |
| CN205769341U (en) | A kind of safety switch of goat | |
| CN2180335Y (en) | Mechanical safety locking device for centrifuger | |
| CN215859922U (en) | Circular arc inclined plane translation floodgate | |
| CN208697742U (en) | A kind of anti-sticking crusher | |
| CN211994756U (en) | Dustproof device of printer paper outlet | |
| CN209710483U (en) | A kind of control cabinet with refrigerating function | |
| CN217486743U (en) | Offshore wind farm dispatching central control equipment | |
| CN216459183U (en) | Small-sized ball mill | |
| CN216213225U (en) | Automatic reclosing power supply protector with rated current of 10A | |
| CN220048419U (en) | Overturning tool changing structure of pulverizer | |
| CN210846611U (en) | Medical recoverable medical waste crusher | |
| CN210985301U (en) | Control panel's installation mechanism for switch board |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |