CN219392767U

CN219392767U - Automatic alarm device for thermal control of thermal power plant

Info

Publication number: CN219392767U
Application number: CN202320166173.5U
Authority: CN
Inventors: 陈院梅; 王雄超; 宁显明; 梁洁兰
Original assignee: Huaneng Yunnan Diandong Energy Co Ltd
Current assignee: Huaneng Yunnan Diandong Energy Co Ltd
Priority date: 2023-02-09
Filing date: 2023-02-09
Publication date: 2023-07-21
Anticipated expiration: 2033-02-09

Abstract

The utility model discloses an automatic alarm device for thermal control of a thermal power plant, which comprises: the base, set up in the footstock of base top, set up in elevating system between base and the footstock, fixed connection in the protection frame at footstock top, set up in the inside alarm device body of protection frame, can dismantle set up in protection frame four-sided dust removal mechanism, through setting up dust removal mechanism, when using, be used for filtering the dust through the dust screen that sets up to prevent that the dust from causing the damage to alarm device body, and the dust screen convenient to detach who sets up, when alarm device body damages, can conveniently take out it, the dust removal mechanism of setting, when the dust screen produces the jam, through the operation of second motor, make its four brushes all reciprocate the brush clearance on four dust screens, so that the detection precision who influences the alarm device makes measurement data inaccurate.

Description

Automatic alarm device for thermal control of thermal power plant

Technical Field

The utility model relates to the technical field of thermal equipment of a thermal power plant, in particular to an automatic alarm device for thermal control of the thermal power plant.

Background

Thermal control of a thermal power plant includes measurement and automatic control of various thermal parameters (e.g., temperature, pressure, liquid level, atmosphere, flow rate, etc.) of a thermal power plant. Thermal measurement is a basic means of checking the thermal process, and automatic control is an important measure to ensure that the thermal equipment maintains an optimal state. The thermal measuring and automatic control instrument is correctly installed and used, so that the working state of the thermal equipment can be correctly and timely known and controlled, the safe operation of the equipment is ensured, the yield and quality of glass are improved, the fuel consumption is reduced, and the labor productivity is improved

According to the patent (publication number CN 214226102U), in the utility model, the automatic alarm device for thermal control of a thermal power plant is provided, when a temperature sensor is in fault and needs to be replaced, the box door is opened, the temperature sensor is held by hand, the pressing plate is pressed down, the pressing plate can only move vertically downwards due to the arrangement of the telescopic rod, the second spring is compressed, the roller can be driven to move downwards due to the connection relation between the roller and the pressing plate, the swinging plate is rotationally sleeved on the fixed shaft, the swinging plate can rotate around the fixed shaft, the transmission plate is fixedly installed at the top of the swinging plate, the transmission plate can rotate around the fixed shaft, the roller is contacted with the top of the transmission plate, the transmission plate can be extruded along with the downward movement of the roller, the transmission plate is rotated, the first spring is deformed, the swinging plate is driven to rotate, the locking pin fixedly installed at the bottom of the swinging plate is then driven to rotate, the locking pin is released from the limit of the positioning block when the locking pin moves out of the slot, the locking pin is in the fixed connection relation between the positioning block and the temperature sensor, the temperature sensor is rapidly moved into the slot, and the elastic force sensor is driven to rotate, and the locking pin is then is driven to rotate, the locking pin is rapidly moved upwards, and the locking pin is driven to rotate, and the elastic pin is installed in the slot is not to rotate, and the slot is rotated. The temperature sensor is simple in structure, reasonable in design and convenient to operate, the purpose of replacing the temperature sensor can be achieved by pressing the pressing plate, the temperature sensor has the advantage of being convenient to install and detach, and the temperature sensor is beneficial to use of people.

However, when the device is used, because the dustproof dust removing mechanism is not arranged, the dust concentration in the thermal power plant is large, the existing automatic alarm device is directly used, so that dust is easy to influence the precision of the alarm, measurement data are inaccurate, and large alarm equipment can be placed on the ground, when the ground is wet and accumulated with rainwater, the alarm equipment can be damaged, the normal use of the alarm equipment is influenced, and the service life of the alarm equipment is reduced.

Disclosure of Invention

The utility model aims to provide an automatic alarm device for thermal control of a thermal power plant, which solves the problems that the existing automatic alarm device is directly used due to larger dust concentration in the thermal power plant as a dustproof dust removing mechanism is not arranged in the use of the existing device in the background art, so that dust easily affects the precision of an alarm, measurement data is inaccurate, large alarm equipment can be placed on the ground, damage to the alarm equipment is caused when the ground is wet and rainwater is accumulated, normal use of the alarm equipment is affected, and the service life of the alarm equipment is shortened.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

an automatic alarm device for thermal control of a thermal power plant, comprising:

the base, set up in the footstock above the base, set up in elevating system between base and the footstock, fixed connection in the guard frame at footstock top, set up in the alarm device body of guard frame inside, can dismantle set up in the dustproof mechanism of guard frame four sides, set up in the dust removal mechanism in guard frame four sides outside;

the dust prevention mechanism includes: the dustproof nets are fixedly connected to the four openings through bolts.

As a further scheme of the utility model: the lifting mechanism comprises: the utility model provides a fixed connection in barrel in base top four corners department, the cover is located four the inside rack post of barrel sets up in four barrel lateral part top through hole, fixed mounting in the first motor in the top left side rear of base, fixed connection in first runner of first motor output, set up in the top of base and be located the second runner in right side rear, constitute transmission connection through the belt between first runner and the second runner, fixed connection in first runner and the first linking post of second runner front end, fixed connection in two first gear of first linking post front end, fixed connection in two the second linking post of first gear front end, fixed connection in two the second gear of second linking post front end, fixed connection in two the third linking post of second gear front end, fixed connection in the fixed plate of the top front end of base, rotate connect in two third linking posts on the fixed plate.

As a further scheme of the utility model: the top ends of the four rack columns are fixedly connected with the bottom end of the top seat.

As a further scheme of the utility model: the two first gears are connected with the two rear rack columns in a meshed mode, and the two second gears are connected with the two front rack columns in a meshed mode.

As a further scheme of the utility model: the dust removing mechanism includes: the protection frame comprises a frame body arranged on the upper portion of the protection frame, a group of L-shaped columns fixedly connected to the front end and the rear end of the frame body, two groups of L-shaped columns fixedly connected to the top ends of the protection frame, openings formed in the bottom of the frame body, a second motor fixedly mounted on the side portion of the frame body, a winding wheel fixedly connected to the output end of the second motor, a first rope body, a group of bottom blocks, guide columns, top blocks, brush brushes, and second rope bodies, wherein one end of the first rope body penetrates through the inside of the frame body and is rotatably connected with the inner side wall of the frame body through a bearing, the first rope body is wound on the outer side of the winding wheel, the bottom blocks are fixedly connected to the four groups of bottom blocks, the guide columns are fixedly connected to the top blocks, the top blocks are fixedly connected to the top ends of the guide columns, the top blocks are respectively and fixedly connected to the two sides of the upper portion of the side wall of the protection frame, and the brush brushes are sleeved on the outer side of the guide columns.

As a further scheme of the utility model: four second rope bodies which are fixedly connected with one end of the first rope body.

As a further scheme of the utility model: four mutually matched through holes of four groups of guide posts are formed in the mounting plates.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the dustproof mechanism is arranged, when the alarm device is used, dust is filtered through the arranged dustproof net so as to prevent the dust from damaging the alarm device body, the arranged dustproof net is convenient to detach, when the alarm device body is damaged, the alarm device body can be taken out conveniently, and when the dustproof net is blocked, the arranged dustproof mechanism is operated through the second motor, so that the four brushes are brushed and cleaned up and down on the four dustproof nets, and the detection precision of the alarm device is prevented from being influenced, so that the measurement data is inaccurate.

2. According to the utility model, the lifting mechanism is arranged, when the ground is wet or rainwater is stored, the four rack columns of the lifting mechanism are all upwards moved in the four cylinders through the operation of the first motor, so that the outer frame of the lifting mechanism is upwards moved to be far away from the ground, the damage to the alarm equipment body is prevented, the normal use of the alarm equipment body is facilitated, and the service life of the alarm equipment body is prolonged.

Drawings

Fig. 1 is a schematic view of a first view of an automatic alarm device for thermal control of a thermal power plant.

Fig. 2 is a schematic diagram of a second view angle of an automatic alarm device for thermal control of a thermal power plant.

Fig. 3 is a schematic diagram of the whole section of an automatic alarm device for thermal control of a thermal power plant.

Fig. 4 is a schematic diagram of a lifting mechanism of an automatic alarm device for thermal control of a thermal power plant.

Fig. 5 is a schematic diagram of a connection structure between a frame and an opening of an automatic alarm device for thermal control in a thermal power plant.

Fig. 6 is a schematic diagram of a connection structure between a reel and a first rope of an automatic alarm device for thermal control of a thermal power plant.

In the figure: 1. a base; 2. a top base; 3. a lifting mechanism; 301. a cylinder; 302. a rack column; 303. a through port; 304. a first motor; 305. a first wheel; 306. a second wheel; 307. a belt; 308. a first connecting column; 309. a first gear; 310. a second connecting column; 311. a second gear; 312. a third connecting column; 313. a fixing plate; 4. a protective frame; 5. an alarm device body; 6. a dust-proof mechanism; 601. an opening; 602. a dust screen; 7. a dust removing mechanism; 701. a frame; 702. an L-shaped column; 703. opening holes; 704. a second motor; 705. a reel; 706. a first rope; 707. a bottom block; 708. a guide post; 709. a top block; 710. a mounting plate; 711. a brush; 712. and a second rope.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 6, an embodiment of the present utility model provides an automatic alarm device for thermal control of a thermal power plant, including:

the base 1, the footstock 2 that sets up in base 1 top, the elevating system 3 that sets up between base 1 and footstock 2, the guard frame 4 at the top of footstock 2 of fixed connection, the alarm device body 5 that sets up in guard frame 4 inside, can dismantle the dustproof mechanism 6 that sets up in guard frame 4 four sides, the dust removal mechanism 7 that sets up in guard frame 4 four sides outside;

when using this automatic alarm device for thermal control of thermal power plant, the elevating system 3 of setting is used for improving the device's position to inside the rain-proof water immersion protection frame 4, and can also prevent dust and remove dust to alarm device body 5, improved alarm device body 5's life.

The dust-proof mechanism 6 includes: openings 601 formed in four sides of the protective frame 4 are fixedly connected with dustproof screens 602 on the four openings 601 through bolts.

The dustproof net 602 can be installed or detached on the opening 601 by tightening or loosening the bolts, so that the operation is simple and the use is convenient.

The elevating mechanism 3 includes: the four-wheel type rotary table comprises a cylinder 301 fixedly connected to four corners of the top of a base 1, rack columns 302 sleeved in the four cylinders 301, through holes 303 formed in the sides of the four cylinders 301, a first motor 304 fixedly installed at the left rear of the top of the base 1, a first rotating wheel 305 fixedly connected to the output end of the first motor 304, a second rotating wheel 306 arranged at the top of the base 1 and positioned at the right rear of the top of the base, the first rotating wheel 305 and the second rotating wheel 306 form transmission connection through a belt 307, a first connecting column 308 fixedly connected to the front ends of the first rotating wheel 305 and the second rotating wheel 306, a first gear 309 fixedly connected to the front ends of the two first connecting columns 308, a second connecting column 310 fixedly connected to the front ends of the two first gears 309, a second gear 311 fixedly connected to the front ends of the two second connecting columns 310, a third connecting column 312 fixedly connected to the front ends of the two second gears 311, a fixing plate 313 fixedly connected to the front end of the top of the base 1, and two third connecting columns 312 rotatably connected to the fixing plate 313.

The top ends of the four rack columns 302 are fixedly connected with the bottom end of the top seat 2.

The two first gears 309 are in meshing connection with the two rear rack posts 302, and the two second gears 311 are in meshing connection with the two front rack posts 302.

The dust removing mechanism 7 includes: the protection frame comprises a frame body 701 arranged at the upper part of a protection frame 4, a group of L-shaped columns 702 fixedly connected to the front end and the rear end of the frame body 701, two groups of L-shaped columns 702 fixedly connected to the top end of the protection frame 4, an opening 703 formed at the bottom of the frame body 701, a second motor 704 fixedly arranged at the side part of the frame body 701, a reel 705 fixedly connected to the output end of the second motor 704, a first rope 706 with one end penetrating into the inside of the frame body 701 and rotationally connected with the inner side wall of the frame body 701 through a bearing, wound outside the reel 705, a group of bottom blocks 707 fixedly connected to the four sides of the protection frame 4, guide columns 708 fixedly connected to the top ends of the four groups of guide columns 708, top blocks 709 respectively fixedly connected to the two sides of the upper side wall of the protection frame 4, mounting plates 710 sleeved outside the four guide columns 708, brushes 711 fixedly connected to the four mounting plates 710, and second ropes 712 respectively arranged at the middle ends of the four mounting plates 710.

Four second ropes 712, each fixedly coupled to one end of the first rope 706.

Four sets of mutually matched through holes of the guide posts 708 are formed in each of the four mounting plates 710.

The dust screen 602 is used for filtering dust, when the dust screen 602 is blocked, the second motor 704 drives the winding wheel 705 to rotate positively and negatively, under the promotion of the first rope 706, the four second ropes 712 move up and down at the moment, so that the four brushes 711 clean on the four dust screens 602, the detection precision of the alarm device body 5 is prevented from being affected, when the ground is wet or rainwater is accumulated, the first motor 304 drives the first rotating wheel 305 to rotate positively, the second rotating wheel 306 is driven to rotate by the belt 307, the two first gears 309 drive the two cylinders 302 at the rear to move upwards in the rack columns 301, and the two cylinders 302 at the front are driven by the two second gears 311 to move upwards in the two rack columns 301, so that the alarm device body 5 is protected conveniently.

The working principle of the utility model is as follows:

when the utility model is used, the dust-proof net 602 is used for filtering dust so as to prevent the dust from damaging the alarm equipment body 5, when the alarm equipment body 5 is damaged, one dust-proof net 602 is detached and taken out, when the dust-proof net 602 is blocked, the second motor 704 is started, the second motor 704 drives the reel 705 to rotate positively and negatively, the first ropes 706 are wound or dispersed on the reel 705, the four second ropes 712 move up and down at the moment, the four mounting plates 710 of the second ropes are respectively moved up and down outside the four groups of guide posts 708, thereby the four hairbrushes 711 are cleaned on the four dust-proof nets 602, the blocking objects on the four dust-proof nets 602 are conveniently cleaned in time so as to prevent the influence on the detection precision of the alarm equipment body 5, when the ground is wet or the rainwater is stored, the first motor 304 is started, the first motor 304 drives the first rotary wheel 305 to rotate positively, the second rotary wheel 306 is driven by the belt 307, the two first connecting posts 308 rotate positively, and the two cylinders 302 behind the two first gears 309 are driven to move up and down inside the four cylinder 301, the four mounting plates 710 are respectively moved up and down outside the four guide posts 708, thereby the four hairbrushes 711 are cleaned on the four dust-proof nets 602, the four dust-proof net 602 are convenient to clean the four dust-proof net 602, the blocking device is convenient to clean the blocking device body 5, the detection precision is convenient to clean the blocking device is used for preventing the blocking the two blocks from being moved up and the alarm equipment body 5, and the alarm equipment body 5 is damaged, and the alarm equipment has the service life is prolonged, and the alarm equipment is kept from being moved to be more and the equipment 5 and the protection to be moved to be far from the front and the alarm equipment body and has and the alarm equipment body 5 and can be damaged.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. An automatic alarm device for thermal control of a thermal power plant, comprising:

the device comprises a base (1), a footstock (2) arranged above the base (1), a lifting mechanism (3) arranged between the base (1) and the footstock (2), a protection frame (4) fixedly connected to the top of the footstock (2), an alarm device body (5) arranged inside the protection frame (4), a dust prevention mechanism (6) detachably arranged on four sides of the protection frame (4) and a dust removal mechanism (7) arranged on the outer side of four sides of the protection frame (4);

the dust-proof mechanism (6) includes: openings (601) formed in four sides of the protection frame (4) are fixedly connected with dustproof nets (602) on the four openings (601) through bolts.

2. An automatic alarm device for thermal control of a thermal power plant according to claim 1, characterized in that the lifting mechanism (3) comprises: the novel rotary table comprises a barrel body (301) fixedly connected to four corners of the top of a base (1), rack columns (302) sleeved in the four barrel body (301), first motors (304) fixedly installed at the rear left sides of the top of the base (1), first rotating wheels (305) fixedly connected to the output ends of the first motors (304), second rotating wheels (306) arranged at the top of the base (1) and positioned at the rear right sides, first connecting columns (308) fixedly connected to the front ends of the first rotating wheels (305) and the second rotating wheels (306) are formed through belts (307), first gears (309) fixedly connected to the front ends of the first connecting columns (308), second connecting columns (310) fixedly connected to the front ends of the two first gears (309), second rotating wheels (306) fixedly connected to the front ends of the two second connecting columns (310), second gears (311) fixedly connected to the front ends of the second connecting columns (310), and first connecting plates (313) fixedly connected to the front ends of the two first connecting columns (313).

3. The automatic alarm device for thermal control of a thermal power plant according to claim 2, wherein the top ends of the four rack columns (302) are fixedly connected with the bottom end of the top seat (2).

4. An automatic alarm device for thermal control of a thermal power plant according to claim 2, wherein two first gears (309) are engaged with two rear rack columns (302), and two second gears (311) are engaged with two front rack columns (302).

5. An automatic alarm device for thermal control of a thermal power plant according to claim 1, characterized in that the dust removing mechanism (7) comprises: the novel hair brush comprises a frame body (701) arranged on the upper portion of a protective frame (4), a group of L-shaped columns (702) fixedly connected to the front end and the rear end of the frame body (701), a group of bottom blocks (707) fixedly connected to the top ends of the protective frame (4) and arranged on the bottom of the frame body (701), a second motor (704) fixedly arranged on the side portion of the frame body (701), a reel (705) fixedly connected to the output end of the second motor (704), a first rope body (706) penetrating through the inside of the frame body (701) and rotatably connected with the inner side wall of the frame body (701) through a bearing, a group of bottom blocks (707) wound on the outside of the reel (705), guide columns (708) fixedly connected to the top ends of the four groups of the bottom blocks (707), top blocks (709) fixedly connected to the top ends of the four groups of the guide columns (708), four groups of top blocks (709) fixedly connected to the two sides of the side wall upper portion of the protective frame (4), and four brush mounting plates (710) fixedly arranged on the top portions of the four mounting plates (710).

6. The automatic alarm device for thermal control of a thermal power plant according to claim 5, wherein the four second ropes (712) are fixedly connected to one end of the first rope (706).

7. The automatic alarm device for thermal control of a thermal power plant according to claim 5, wherein four mounting plates (710) are provided with mutually matched through holes of four groups of guide posts (708).