CN212882961U - Safety protection device for manhole door of electric dust collector - Google Patents
Safety protection device for manhole door of electric dust collector Download PDFInfo
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- CN212882961U CN212882961U CN202021277417.XU CN202021277417U CN212882961U CN 212882961 U CN212882961 U CN 212882961U CN 202021277417 U CN202021277417 U CN 202021277417U CN 212882961 U CN212882961 U CN 212882961U
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- manhole door
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- dust collector
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Abstract
The utility model discloses a safety protection device for a manhole door of an electric dust collector, in particular to the technical field of the electric dust collector, which comprises the manhole door and a protection mechanism arranged above the manhole door, wherein a manhole door cover plate is hinged inside the manhole door; the protection mechanism comprises a support frame fixed at the top of the manhole door and a stroke support welded on a manhole door cover plate, wherein a stroke switch is arranged at the top of the support frame, a stroke head is arranged at one end, close to the stroke support, of the stroke switch, and a stroke bolt is connected to the position, parallel to the stroke head, of the surface of the stroke support through threads. The utility model discloses a be equipped with safety mechanism, the staff can adjust the stroke bolt to reasonable stroke position through rotating the stroke bolt, makes the stroke bolt paste mutually with stroke switch's stroke head, and the flexibility is high to reach the purpose of interlocking, but automatic shutdown provides high-voltage direct current for electric field inside, the effectual interlocking effect that plays reduces bodily injury.
Description
Technical Field
The utility model relates to an electrostatic precipitator technical field, more specifically say, the utility model relates to an electrostatic precipitator manhole door safety arrangement.
Background
Along with the increasingly severe environment-friendly situation, the emission requirements of users on electric dust collectors are higher and higher, and various manufacturers also push out new technologies to improve equipment. Safety is also important when new technologies are implemented. At present, many electric dust collectors have incomplete safety interlocking devices, and in most of the safety interlocking devices of the electric dust collectors, only the doors of an isolating switch cabinet and the electric appliances are provided with the safety interlocking devices.
The lateral part and the top manhole door of the existing electric dust collector body are not provided with interlocking devices, so that certain dangers exist for operation and maintenance personnel.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides an electrostatic precipitator manhole door safety arrangement, the utility model aims to solve the technical problem that: how to improve the security performance of equipment, avoid personnel to be injured.
In order to achieve the above object, the utility model provides a following technical scheme: a safety protection device for a manhole door of an electric dust collector comprises the manhole door and a protection mechanism arranged above the manhole door, wherein a manhole door cover plate is hinged inside the manhole door;
protection mechanism is including fixing the support frame at manhole door top and the stroke support of welding on manhole door apron, the support frame top is equipped with travel switch, travel switch is close to the one end of stroke support and is equipped with the stroke head, the position threaded connection that stroke support surface and stroke head are parallel has the stroke bolt, just the stroke bolt pastes with the stroke head mutually, travel switch passes through the cable and establishes ties with circuit breaker trip coil.
In a preferred embodiment, the travel switch is fixed on the support frame through a fixing bolt, and the travel head is wrapped with a rubber sleeve.
In a preferred embodiment, a nut is connected to the surface of the travel bolt in a threaded manner, and the nut is attached to the travel switch.
In a preferred embodiment, one end of the travel bolt extends through the travel bracket.
In a preferred embodiment, the support bracket and the travel bracket are both made of angle steel material.
In a preferred embodiment, the stroke support top extends upwards and has a length no lower than the stroke switch top.
In a preferred embodiment, the manhole door is connected to the manhole cover by a hinge.
In a preferred embodiment, the travel switch is of the type VL180 travel switch.
The implementation mode is specifically as follows: when in use, the travel bracket can be welded on the manhole door cover plate and is firmly fixed, a travel bolt is connected on the travel bracket in a threaded manner, when the manhole door cover plate is closed, the travel bolt can be driven to synchronously move and can be close to a travel switch fixed on the manhole door, a worker can adjust the travel bolt to a reasonable travel position by rotating the travel bolt so as to enable the travel bolt to be attached to a travel head of the travel switch, thereby achieving the purpose of interlocking, because the travel switch in the interlocking device can be connected with a circuit breaker in a high-voltage control cabinet main power supply tripping coil corresponding to an electric field through a cable to form a loop, a normally closed point of the travel switch is connected in series with a tripping coil of an electric field high-voltage control cabinet main power supply circuit breaker, the travel is closed, when the manhole door is opened, the travel bolt and the travel switch are in a separated state, and the normally closed point of the travel switch keeps an original state, namely, at the moment, a trip coil of a main power circuit breaker of the high-voltage control cabinet is electrified, so that a main circuit of the circuit breaker can not be normally closed, an interlocking effect is achieved, when a manhole door is closed, a stroke bolt is in contact with a stroke head of the stroke switch, the stroke head is extruded, a normally closed contact of the stroke switch is changed into a normally open contact, then the trip coil of the main power circuit breaker of the high-voltage control cabinet is electrified, the main circuit of the circuit breaker is normally closed, when an overhaul worker neglects to open the manhole door in a non-power-off state, the stroke head of the stroke switch is separated from the stroke bolt, the contact of the stroke switch is changed from an open point to a closed position, so that the trip coil of the circuit breaker is electrified to rapidly trip, high-voltage direct.
The utility model discloses a technological effect and advantage:
1. the utility model discloses a be equipped with safety mechanism, the staff can adjust the stroke bolt to reasonable stroke position through rotating the stroke bolt, make the stroke bolt paste with the stroke head of travel switch, the flexibility is high, thereby reach the purpose of interlocking, when the maintainer neglected to open the manhole door under the state that has not had a power failure, the stroke head and the stroke bolt separation of travel switch, the contact of travel switch changes into the closure from the opening point and makes circuit breaker trip coil energized and make circuit breaker main loop trip rapidly, stop providing high voltage direct current for the electric field inside, the effectual interlocking effect that plays reduces the bodily injury, compare with prior art, the utility model discloses simple structure, reasonable in design, make manhole door and high-voltage cabinet form reliable safety interlocking system through travel switch, the practicality is high;
2. the utility model discloses a be equipped with the rubber sleeve, utilize the rubber sleeve can absorb the impact force that the stroke bolt transmission was come, avoid travel switch to receive the striking and play the cushioning effect, improve travel switch's life, after travel switch stroke position control is good, through swivel nut, the nut can paste mutually with the stroke support, plays the fastening effect to the stroke bolt, improves the stability of stroke bolt.
Drawings
Fig. 1 is a front view of the overall structure of the present invention.
Fig. 2 is an enlarged schematic view of a portion a of fig. 1 according to the present invention.
Fig. 3 is a side view of the overall structure of the present invention.
Fig. 4 is a top view of the overall structure of the present invention.
Fig. 5 is a schematic diagram of the circuit structure of the present invention.
The reference signs are: 1 manhole door, 2 manhole door cover plates, 3 support frames, 4 stroke supports, 5 stroke switches, 6 stroke heads, 7 stroke bolts, 8 circuit breakers, 9 rubber sleeves and 10 nuts.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.
The utility model provides a safety protection device for a manhole door of an electric dust collector, which comprises a manhole door 1 and a protection mechanism arranged above the manhole door 1, wherein a manhole door cover plate 2 is hinged inside the manhole door 1;
protection machanism is including fixing support frame 3 at manhole door 1 top and welding stroke support 4 on manhole door cover plate 2, 3 tops of support frame are equipped with travel switch 5, travel switch 5 is close to the one end of stroke support 4 and is equipped with stroke head 6, the position threaded connection that the position is parallel with stroke head 6 on the surface of stroke support 4 has stroke bolt 7, just stroke bolt 7 pastes with stroke head 6 mutually, stroke switch 5 establishes ties through cable and 8 trip coils of circuit breaker.
As shown in fig. 1 to 5, the embodiment specifically is: when in use, the stroke support 4 can be welded on the manhole door cover plate 2 and is firmly fixed, the stroke bolt 7 is connected on the stroke support 4 through threads, when the manhole door cover plate 2 is closed, the stroke bolt 7 can be driven to synchronously move, the stroke bolt 7 can approach to the direction of the stroke switch 5 fixed on the manhole door 1, a worker can adjust the stroke bolt 7 to a reasonable stroke position by rotating the stroke bolt 7, so that the stroke bolt 7 is attached to the stroke head 6 of the stroke switch 5, thereby achieving the interlocking purpose, because the stroke switch 5 in the interlocking device can be connected with the circuit breaker 8 in the high-voltage control cabinet main power supply tripping coil corresponding to the electric field through a cable to form a loop, the normally closed point of the stroke switch 5 is connected with the tripping coil of the electric field high-voltage control cabinet main power supply circuit breaker 8 in series, the stroke is closed, when the manhole door 1 is in an open state, the travel bolt 7 and the travel switch 5 are in a separated state, the normally closed point of the travel switch 5 is kept in an original state, namely the normally closed point, at the moment, a disengaging coil of a main power circuit breaker 8 of a high-voltage control cabinet is electrified, so that a main circuit of the circuit breaker 8 cannot be normally closed, an interlocking effect is achieved, when the manhole door 1 is closed, the travel bolt 7 is in contact with a travel head 6 of the travel switch 5, after the travel head 6 is extruded, a normally closed contact of the travel switch 5 is changed into a normally open contact, at the moment, a disengaging coil of the main power circuit breaker 8 of the high-voltage control cabinet is electrified, the main circuit of the circuit breaker 8 is normally closed, when an inspector opens the manhole door 1 in an inadvertent power failure state, the travel head 6 of the travel switch 5 is separated from the travel bolt 7, the contact of the travel switch 5 is changed from the open point into the closed state, so that the disengaging coil of, effectively playing a role of interlocking and reducing personal injury.
As shown in fig. 1 to 4, the embodiment specifically is: including rubber sleeve 9 on the stroke head 6, utilize rubber sleeve 9 to absorb the impact force that stroke bolt 7 transmitted and come, avoid travel switch 5 to receive the striking and play the cushioning effect, improve travel switch 5's life, after travel switch 5 stroke position control is good, through rotating nut 10, nut 10 can paste with stroke support 4 mutually, plays the fastening effect to stroke bolt 7, improves stroke bolt 7's stability.
The utility model discloses the theory of operation:
referring to the attached drawings 1-5 of the specification, a stroke bolt 7 is attached to a stroke head 6 of a stroke switch 5, so that the purpose of interlocking is achieved, when a maintainer neglects to open a manhole door 1 in a non-power-off state, the stroke head 6 of the stroke switch 5 is separated from the stroke bolt 7, a contact of the stroke switch 5 is changed from an open point to a closed point, a tripping coil of a breaker 8 is electrified, a main circuit of the breaker 8 is rapidly tripped, high-voltage direct current is stopped to be provided for the interior of an electric field, and the interlocking effect is effectively achieved to reduce personal injury;
referring to the attached drawings 1-4 of the specification, the rubber sleeve 9 can be used for absorbing impact force transmitted by the stroke bolt 7, the stroke switch 5 is prevented from being impacted to play a buffering role, and after the stroke position of the stroke switch 5 is adjusted, the nut 10 can be attached to the stroke support 4 by rotating the nut 10, so that the stroke bolt 7 is fastened.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides an electrostatic precipitator manhole door safety arrangement, includes manhole door (1) and locates the protection mechanism of manhole door (1) top, its characterized in that: a manhole door cover plate (2) is hinged inside the manhole door (1);
protection machanism is including fixing support frame (3) at manhole door (1) top and welding stroke support (4) on manhole door apron (2), support frame (3) top is equipped with travel switch (5), travel switch (5) are close to the one end of stroke support (4) and are equipped with stroke head (6), the position threaded connection that stroke support (4) surface and stroke head (6) are parallel has stroke bolt (7), just stroke bolt (7) paste mutually with stroke head (6), stroke switch (5) are established ties through cable and circuit breaker (8) shedding coil.
2. The electric dust collector manhole door safety protection device of claim 1, which is characterized in that: travel switch (5) pass through fixing bolt to be fixed on support frame (3), the parcel has rubber sleeve (9) on stroke head (6).
3. The electric dust collector manhole door safety protection device of claim 1, which is characterized in that: the surface of the stroke bolt (7) is in threaded connection with a nut (10), and the nut (10) is attached to the stroke switch (5).
4. The electric dust collector manhole door safety protection device of claim 1, which is characterized in that: one end of the stroke bolt (7) penetrates through the stroke support (4).
5. The electric dust collector manhole door safety protection device of claim 1, which is characterized in that: the support frame (3) and the stroke support (4) are both made of angle steel materials.
6. The electric dust collector manhole door safety protection device of claim 1, which is characterized in that: the top of the stroke support (4) extends upwards, and the length of the stroke support is not less than that of the top of the stroke switch (5).
7. The electric dust collector manhole door safety protection device of claim 1, which is characterized in that: the manhole door (1) is connected with the manhole door cover plate (2) through a hinge.
8. The electric dust collector manhole door safety protection device of claim 1, which is characterized in that: the type of the travel switch (5) is VL180 travel switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021277417.XU CN212882961U (en) | 2020-07-03 | 2020-07-03 | Safety protection device for manhole door of electric dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021277417.XU CN212882961U (en) | 2020-07-03 | 2020-07-03 | Safety protection device for manhole door of electric dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212882961U true CN212882961U (en) | 2021-04-06 |
Family
ID=75282333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021277417.XU Active CN212882961U (en) | 2020-07-03 | 2020-07-03 | Safety protection device for manhole door of electric dust collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212882961U (en) |
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2020
- 2020-07-03 CN CN202021277417.XU patent/CN212882961U/en active Active
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