CN113889879A

CN113889879A - General prepackage type generating line bridge top case

Info

Publication number: CN113889879A
Application number: CN202111102052.6A
Authority: CN
Inventors: 时悦; 何流; 蔡善忠; 王磊
Original assignee: Hubei Electric Power Equipment Co ltd
Current assignee: Hubei Electric Power Equipment Co ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-01-04

Abstract

The invention discloses a universal preassembled bus bridge top box which comprises a box shell, wherein a heat dissipation screen plate is fixedly installed on one side face of the box shell, a fireproof assembly is fixedly installed on the upper surface of the box shell, a sealing assembly is arranged on one side face of the box shell and located at the periphery of the heat dissipation screen plate, the fireproof assembly comprises a frame, a cover plate is fixedly installed on the upper surface of the frame through screws, a dry powder bag is arranged inside the upper portion of the frame, and two side faces of the lower inner portion of the frame are fixedly connected with limiting blocks. The invention relates to the technical field of bus bridge top boxes, and in the general preassembled bus bridge top box, through the arrangement of a fireproof assembly, when a fire disaster happens to an internal circuit of the end box, a cotton thread is burnt off by the fire disaster, a cutter can cut a dry powder bag open under the elasticity of a spring I, and then dry powder in the dry powder bag can be sprayed out, so that the fire disaster can be timely extinguished, a sensor is not needed for detection, and the fire extinguishing effect is improved.

Description

General prepackage type generating line bridge top case

Technical Field

The invention relates to the technical field of bus bridge top boxes, in particular to a universal preassembled bus bridge top box.

Background

At present, the power plant, the pressure of industrial and mining enterprises, join in marriage, among the power supply system, generator lead-out wire to main transformer, main transformer and high-voltage distribution cabinet, the power supply circuit of power transmission between the high-voltage distribution cabinet adopts case-sharing bus-bar bridge usually, its characteristics are that electric energy transmission capacity is big, good insulating properties, fail safe nature is high, the shell box rigidity is good, intensity is big, bearing capacity is strong etc., it is great to be used for case-sharing bus-bar bridge size between the heavy current switch cabinet, bus weight in the bus-bar bridge is big, in order to guarantee the intensity of case-sharing bus-bar bridge, the bus-bar bridge often adopts the steel sheet to assemble and forms, the end box is a part on the bus-bar bridge, be connected through the pre-installation mode between bus-bar bridge and the end box.

However, in practical application, the existing bus bridge top box has the following defects:

1. the existing bus bridge top box has poor fireproof performance, although fire extinguishing devices are arranged on some bus bridge top boxes, the fire extinguishing devices are detected through sensors, once lines of the sensors are burnt out, the sensing effect cannot be achieved, and then the fire extinguishing function cannot be achieved;

2. generating line bridge top case is when the conflagration breaing out, because the ventilation net on the generating line bridge top case has the effect of ventilation, can cause the intensity of a fire grow like this, and when in the weather of rainwater, can't shelter from the work to the ventilation net.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a universal pre-installed busbar bridge top box, which solves the problems of poor fireproof performance and non-ideal rainproof effect of the conventional busbar bridge top box.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a general prepackage type generating line bridge top case, includes the case shell, a side fixed mounting of case shell has the heat dissipation otter board, the last fixed surface of case shell installs fire prevention subassembly, and a side of case shell is located the peripheral position department of heat dissipation otter board and is provided with the seal assembly.

The fireproof component comprises a frame, a cover plate is fixedly arranged on the upper surface of the frame through screws, and the inside of the upper part of the frame is provided with a dry powder bag, two side surfaces of the inside of the lower part of the frame are fixedly connected with limit blocks, the upper surface of one end of each of the two limit blocks, which is opposite to each other, is vertically connected with a T-shaped shaft, a sliding strip plate is horizontally sleeved and slidably arranged between the outer surfaces of the two T-shaped shafts, the outer surfaces of the lower ends of the two T-shaped shafts are sleeved with a first spring in a sliding way, the upper end and the lower end of the first spring are respectively fixedly connected with the upper surface of the limiting block and the lower surface of the sliding strip plate, the middle position of the upper surface of the sliding strip plate is fixedly connected with a cutter, two side surfaces of the inner part of the box shell are fixedly connected with first guide wheels, cotton threads penetrate through the first guide wheels in a sliding mode, and two ends of the cotton threads are fixedly connected to the lower surface of the sliding strip plate.

Preferably, the first spring is in a compressed state and the cotton thread is in a tensioned state.

Preferably, the elastic deformation distance of the first spring is larger than the distance between the upper side of the cutter and the lower surface of the dry powder bag.

Preferably, the lower surface of the cover plate is fixedly connected with a sub-magic tape, the upper surface of the dry powder bag is fixedly connected with a female magic tape, and the upper surface of the female magic tape is stuck to the lower surface of the sub-magic tape.

Preferably, the frame is fixedly connected with the upper surface of the box shell through bolts, and the frame is communicated with the inside of the box shell.

Preferably, the dry powder is filled in the dry powder bag, and the dry powder bag is a rubber material member.

Preferably, the closing assembly comprises a sealing plate horizontally and rotatably connected to one side surface of the box shell, the sealing plate is positioned on the upper side of the heat dissipation mesh plate, arc-shaped rods are arranged at two corners of the upper surface of one side of the sealing plate in a penetrating and sliding manner, two ends of each arc-shaped rod are fixedly connected with one side surface of the box shell, and the outer surface of one end of each of the two arc-shaped rods is sleeved with a second spring in a sliding way, the two ends of the second spring are respectively fixedly connected with the upper surface of the sealing plate and one side surface of the box shell, fixed surface installs biax servo motor under one side of case shell, the equal horizontally connected with pivot of two output shafts of biax servo motor, two the equal fixedly connected with winding wheel of the one end that the pivot was carried on the back mutually, two wire rope is all wound to the inside of winding wheel, two wire rope's the other end difference fixed connection is in two corners of closing plate opposite side lower surface.

Preferably, the circle center of the arc-shaped rod is located at the same axis as the rotating circle center of the sealing plate.

Preferably, the lower surface of one side of the box shell is vertically connected with two guide wheels at the position close to one side of the two winding wheels, and the two steel wire ropes respectively slide through the insides of the two guide wheels.

Preferably, two the one end surface that the pivot was carried on the back mutually all cup joints to rotate and installs the bearing frame, two the equal fixed connection in the lower surface of case shell in upper end of bearing frame.

Advantageous effects

The invention provides a universal preassembled busbar bridge top box, which has the following beneficial effects compared with the prior art:

1. this general prepackage type generating line bridge top case through setting up fire prevention subassembly, when the internal line of this end case conflagration breaks out, the conflagration with the cotton thread back of burning off, under the elasticity of spring one, can make the cutter give the dry powder package and open, and then can make the dry powder blowout in the dry powder package, and then can give timely putting out of the conflagration, need not to detect with the sensor, has improved the effect of putting out a fire.

2. This general prepackage type generating line bridge top case pastes through the sub-magic of the lower fixed surface of apron and is connected with the female magic of last fixed surface of dry powder package and pastes, and the upper surface that female magic was pasted pastes can be fixed on the apron with the dry powder package to be convenient for fix and dismantle the dry powder package, and then the convenience is changed convenient and fast to the dry powder package.

3. The universal preassembled bus bridge top box is provided with a sealing assembly, a sealing plate is positioned at the upper side of a heat dissipation screen plate, two corners of the upper surface of one side of the sealing plate are respectively provided with an arc-shaped rod in a penetrating and sliding manner, two ends of the arc-shaped rod are respectively and fixedly connected with one side surface of a box shell, the outer surfaces of one ends of the two arc-shaped rods are respectively sleeved with a second spring in a sliding manner, two ends of the second spring are respectively and fixedly connected with the upper surface of the sealing plate and one side surface of the box shell, the lower surface of one side of the box shell is fixedly provided with a double-shaft servo motor, two output shafts of the double-shaft servo motor are respectively and horizontally connected with a rotating shaft, one end of the two rotating shafts which is opposite to each other is fixedly connected with a winding wheel, steel wire ropes are respectively and fixedly arranged in the two corners of the lower surface of the other side of the sealing plate, when the end box is in fire, under the working of the double-shaft servo motor and the elasticity of the second spring, can make the closing plate will dispel the heat the otter board and give and shelter from sealed live to isolated case shell inside air makes the conflagration can be quick to be put out, and the closing plate will dispel the heat the otter board and give after covering, can play rain-proof effect, and then play the effect of protection to the circuit of end incasement portion.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a schematic exploded view of the fire protection assembly of the present invention;

FIG. 3 is a schematic view of the internal structure of the fire protection assembly of the present invention;

FIG. 4 is a schematic assembled view of the fire stopping assembly of the present invention;

fig. 5 is a schematic view of the structure of the closure assembly of the present invention.

In the figure: 1. a cabinet housing; 2. a heat dissipation screen plate; 3. a fire protection assembly; 31. a frame-shaped frame; 32. a cover plate; 321. a sub-magic tape; 33. packaging the dry powder; 331. female magic tape; 34. a limiting block; 35. a T-shaped shaft; 36. a slide bar plate; 37. a first spring; 38. a cutter; 39. a first guide wheel; 310. cotton threads; 4. a closure assembly; 41. a sealing plate; 42. an arcuate bar; 43. a second spring; 44. a double-shaft servo motor; 45. a rotating shaft; 46. a winding wheel; 47. a wire rope; 48. a second guide wheel; 49. and a bearing seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: the utility model provides a general prepackage type generating line bridge top case, includes case shell 1, and a side fixed mounting of case shell 1 has heat dissipation otter board 2, and the last fixed surface of case shell 1 installs fire prevention subassembly 3, and a side of case shell 1 is located the peripheral position department of heat dissipation otter board 2 and is provided with seal assembly 4.

Referring to fig. 2-4, in the embodiment of the present invention, the fire-proof assembly 3 includes a frame 31, a cover plate 32 is fixedly mounted on an upper surface of the frame 31 through screws, a dry powder bag 33 is disposed inside an upper portion of the frame 31, two side surfaces of a lower portion of the frame 31 are fixedly connected with a limiting block 34, an upper surface of an opposite end of each of the two limiting blocks 34 is vertically connected with a T-shaped shaft 35, a sliding strip plate 36 is horizontally sleeved and slidably mounted between outer surfaces of the two T-shaped shafts 35, a first spring 37 is slidably mounted on an outer surface of a lower end of each of the two T-shaped shafts 35, an upper end and a lower end of the first spring 37 are respectively fixedly connected with an upper surface of the limiting block 34 and a lower surface of the sliding strip plate 36, a cutter 38 is fixedly connected to a middle position of the upper surface of the sliding strip plate 36, two side surfaces of an inner side surface of the case 1 are fixedly connected with a first guide wheel 39, a cotton thread 310 is slidably inserted between the first guide wheels 39, the two ends of the cotton thread 310 are fixedly connected to the lower surface of the sliding strip plate 36, the spring 37 is in a compressed state, the cotton thread 310 is in a tightened state, the elastic deformation distance of the spring 37 is larger than the distance between the upper side of the cutter 38 and the lower surface of the dry powder bag 33, when the cotton thread 310 is burnt out, the spring 37 loses the compression force, so that the sliding strip plate 36 moves upwards, the cutter 38 cuts the dry powder bag 33 to spray dry powder, the fire extinguishing effect is achieved, the lower surface of the cover plate 32 is fixedly connected with the sub magic tape 321, the upper surface of the dry powder bag 33 is fixedly connected with the mother magic tape 331, the upper surface of the mother magic tape 331 is adhered to the lower surface of the sub magic tape 321, the dry powder bag 33 can be conveniently detached and installed through the sub magic tape 321 and the mother magic tape 331, so that the dry powder bag 33 can be conveniently replaced, the frame 31 is fixedly connected with the upper surface of the case 1 through bolts, the frame 31 is communicated with the inside of the cabinet 1, the dry powder is contained in the dry powder bag 33, and the dry powder bag 33 is a rubber member made of rubber, and the dry powder bag 33 can be cut by the cutter 38.

Referring to fig. 5, in the embodiment of the present invention, the sealing assembly 4 includes a sealing plate 41 horizontally and rotatably connected to one side surface of the box housing 1, the sealing plate 41 is located on the upper side of the heat-dissipating mesh plate 2, an arc rod 42 is slidably installed through two corners of an upper surface of one side of the sealing plate 41, two ends of the arc rod 42 are fixedly connected to one side surface of the box housing 1, a second spring 43 is slidably installed on an outer surface of one end of each of the two arc rods 42, two ends of the second spring 43 are fixedly connected to an upper surface of the sealing plate 41 and one side surface of the box housing 1, a double-shaft servo motor 44 is fixedly installed on a lower surface of one side of the box housing 1, two output shafts of the double-shaft servo motor 44 are horizontally connected to a rotating shaft 45, a winding wheel 46 is fixedly connected to an opposite end of the two rotating shafts 45, a steel wire rope 47 is wound inside the two winding wheels 46, and the other ends of the two steel wire ropes 47 are fixedly connected to two corners of a lower surface of the other side of the sealing plate 41, the centre of a circle of arc pole 42 is located closing plate 41 pivoted centre of a circle and is located the same axis, when closing plate 41 rotated, can slide on arc pole 42, one side position department that one side lower surface of case shell 1 is close to two reels 46 all is connected with guide pulley two 48 perpendicularly, two wire rope 47 slide respectively pass two guide pulley 48's inside, guide pulley two 48 have played the guide effect to wire rope 47, two pivot 45 one end surfaces of carrying on the back mutually all cup joint the rotation and install bearing frame 49, the equal fixed connection in the lower surface of case shell 1 in the upper end of two bearing frame 49, bearing frame 49 has played the firm effect of support to pivot 45.

In the above, the model number of the biaxial servo motor 44 is CH/V.

And those not described in detail in this specification are well within the skill of those in the art.

In use, if a fire breaks the cotton thread 310 in the circuit inside the cabinet 1, the first spring 37 loses the pulling force of the cotton thread 310 on the first spring, so that the first spring 37 moves the slide bar plate 36 upwards under the elasticity of the first spring 37, because the elastic deformation distance of the first spring 37 is greater than the distance between the upper side of the cutter 38 and the lower surface of the dry powder packet 33, the cutter 38 cuts the lower surface of the dry powder packet 33, the dry powder inside the dry powder packet 33 is sprayed out, the fire inside the cabinet 1 is extinguished, further, when a fire occurs, the power of the dual-shaft servo motor 44 can be switched on, the dual-shaft servo motor 44 drives the rotating shafts 45 of the two output shafts to rotate, the two rotating shafts 45 respectively drive the two winding wheels 46 to rotate, the winding wheels 46 wind the steel wire rope 47, under the elasticity of the second spring 43 and the rotation of the sealing plate 41, can drive closing plate 41 during the rolling of wire rope 47 and rotate downwards, make it give the heat dissipation otter board 2 on the case shell 1 and block, can completely cut off the inside air of case shell 1 like this, guarantee the effect of putting out a fire, and heat dissipation otter board 2 is blocked the back, also can play rain-proof effect, when needs open closing plate 41, make the reversal of biax servo motor 44, wire rope 47 will be relaxed like this, two 43 springs will make closing plate 41 reconversion, and then give opening heat dissipation otter board 2 on the case shell 1, ventilation cooling's effect has been played.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. The utility model provides a general prepackage type generating line bridge top case, includes case shell (1), a side fixed mounting of case shell (1) has heat dissipation otter board (2), its characterized in that: a fireproof component (3) is fixedly arranged on the upper surface of the box shell (1), and a sealing component (4) is arranged on one side surface of the box shell (1) and is positioned at the periphery of the heat dissipation screen plate (2);

the fireproof assembly (3) comprises a frame (31), a cover plate (32) is fixedly mounted on the upper surface of the frame (31) through screws, a dry powder bag (33) is arranged inside the upper portion of the frame (31), two limit blocks (34) are fixedly connected to two side surfaces inside the lower portion of the frame (31), two opposite end upper surfaces of the limit blocks (34) are vertically connected with T-shaped shafts (35), sliding strip plates (36) are horizontally sleeved and slidably mounted between the outer surfaces of the two T-shaped shafts (35), springs (37) are slidably mounted on the outer surfaces of the lower ends of the two T-shaped shafts (35), the upper ends and the lower ends of the springs (37) are fixedly connected to the upper surface of the limit blocks (34) and the lower surface of the sliding strip plates (36), and cutters (38) are fixedly connected to the middle positions of the upper surfaces of the sliding strip plates (36), the cotton box is characterized in that two side faces inside the box shell (1) are fixedly connected with guide wheels I (39), cotton threads (310) penetrate between the guide wheels I (39) in a sliding mode, and two ends of each cotton thread (310) are fixedly connected to the lower surface of the sliding strip plate (36).

2. The universal preassembled busbar bridge head box of claim 1, wherein: the first spring (37) is in a compressed state, and the cotton threads (310) are in a tensioned state.

3. The universal preassembled busbar bridge head box of claim 1, wherein: the elastic deformation distance of the first spring (37) is larger than the distance between the upper side of the cutter (38) and the lower surface of the dry powder bag (33).

4. The universal preassembled busbar bridge head box of claim 1, wherein: the lower surface of apron (32) fixed connection has sub-magic subsides (321), the last fixed surface of dry powder package (33) is connected with female magic subsides (331), the upper surface of female magic subsides (331) is pasted in the lower surface of sub-magic subsides (321).

5. The universal preassembled busbar bridge head box of claim 1, wherein: the frame (31) is fixedly connected with the upper surface of the box shell (1) through bolts, and the frame (31) is communicated with the inside of the box shell (1).

6. The universal preassembled busbar bridge head box of claim 1, wherein: the dry powder bag (33) is filled with dry powder, and the dry powder bag (33) is a rubber component.

7. The universal preassembled busbar bridge head box of claim 1, wherein: the sealing assembly (4) comprises a sealing plate (41) which is horizontally and rotatably connected to one side face of the box shell (1), the sealing plate (41) is located on the upper side of the heat dissipation screen plate (2), two corners of the upper surface of one side of the sealing plate (41) are respectively provided with an arc-shaped rod (42) in a penetrating and sliding mode, two ends of each arc-shaped rod (42) are fixedly connected to one side face of the box shell (1), the outer surfaces of one ends of the two arc-shaped rods (42) are respectively provided with a second spring (43) in a sleeved and sliding mode, two ends of each second spring (43) are respectively fixedly connected to the upper surface of the sealing plate (41) and one side face of the box shell (1), a double-shaft servo motor (44) is fixedly installed on the lower surface of one side of the box shell (1), two output shafts of each double-shaft servo motor (44) are horizontally connected with a rotating shaft (45), and one end, opposite to each other, of each rotating shaft (45), is fixedly connected with a winding wheel (46), wire ropes (47) are wound in the two winding wheels (46), and the other ends of the two wire ropes (47) are fixedly connected to two corners of the lower surface of the other side of the sealing plate (41) respectively.

8. The universal preassembled busbar bridge head box of claim 7, wherein: the circle center of the arc-shaped rod (42) is positioned on the same axis as the rotating circle center of the sealing plate (41).

9. The universal preassembled busbar bridge head box of claim 7, wherein: the lower surface of one side of the box shell (1) is close to one side of the two winding wheels (46) and is vertically connected with a second guide wheel (48), and the two steel wire ropes (47) respectively slide through the inner parts of the second guide wheels (48).

10. The universal preassembled busbar bridge head box of claim 7, wherein: two the one end surface that pivot (45) carried on the back mutually all cup joints to rotate and installs bearing frame (49), two the equal fixed connection in the lower surface of case shell (1) in upper end of bearing frame (49).