CN210151778U - Downthehole breather of people - Google Patents
Downthehole breather of people Download PDFInfo
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- CN210151778U CN210151778U CN201920247727.8U CN201920247727U CN210151778U CN 210151778 U CN210151778 U CN 210151778U CN 201920247727 U CN201920247727 U CN 201920247727U CN 210151778 U CN210151778 U CN 210151778U
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Abstract
The utility model discloses a downthehole breather of people, curtain bucket including the tube-shape, and be equipped with the end cap at both ends, it has the curtain axle to run through in the curtain bucket, the epaxial winding of curtain has the curtain cloth, be equipped with the curtain mouth on the curtain bucket, curtain axle one end fixedly connected with electric drive mechanism, the other end stretches out the curtain bucket and can dismantle and be connected with manual drive mechanism, the last plug-in connection of curtain bucket has the deep bead, deep bead and curtain mouth set up relatively from top to bottom, thereby it stretches out the position in communication pipeline manhole or the hand hole to go into behind the curtain mouth to rotate control curtain through electric drive mechanism or manual drive mechanism drive curtain axle, adjust the air current size through the number of adjusting the deep bead, carry out ventilation to communication pipeline's manhole or hand. The potential safety hazard that the curtain cloth dropped has been avoided, and the quantity that sets up the deep bead simultaneously according to the wind-force size of job site, air current intensity or the ventilation time length of allowwing adjusts the air current intensity in manhole or the handhole, shortens ventilation time and improves the efficiency of taking a breath.
Description
Technical Field
The utility model relates to a communication equipment technical field especially relates to an downthehole breather of people.
Background
The manhole or handhole of the communication pipeline is a closed limited space, no air flows inside, and toxic gas or flammable and explosive harmful gas can exist for various reasons. In communication pipeline engineering construction for many years, many safety accidents of poisoning and death of construction personnel have occurred. Therefore, before the communication pipeline engineering construction, a construction team must take measures to remove harmful gas possibly existing in a manhole or a hand hole and ensure the safety of construction personnel and facilities and equipment in the communication pipeline.
The specification of communication pipeline manholes and hand holes is implemented by a standard of communication pipeline manholes and hand hole atlas (YD/T5178-2017), and the manhole covers and the mouth rings used by the manholes or the hand holes in communication pipeline engineering and the inner structures of the manholes or the hand holes are manufactured according to the standard.
In the traditional communication pipe engineering construction method, after the manhole or hand hole cover is required to be opened, ventilation and air exchange must be carried out in the manhole or hand hole, namely, a straw curtain, a gunny bag sheet or a hard board is vertically placed into a manhole opening or a hand hole, the bottom of the straw curtain, the gunny bag sheet or the hard board is not contacted with the bottom of the manhole or hand hole, the space in the manhole or hand hole is artificially divided into two parts, the airflow of the manhole opening or the hand hole flows into the manhole or hand hole along one side of the straw curtain, the gunny bag sheet or the hard board, and then flows out of the manhole or hand hole from the other side, so that the purpose of ventilation in the manhole or hand. The method has the advantages of low cost, energy conservation, environmental pollution prevention and certain ventilation effect; the disadvantages are that the amount of the straw curtain, the gunny bag sheet or the hardboard extending into the manhole or the handhole is not easy to be mastered and fixed at the manhole opening or the handhole, and the straw curtain, the gunny bag sheet or the hardboard may fall into the manhole or the handhole to influence the ventilation effect in the using process.
In order to solve the problems, at present, each level of government safety production management departments in the whole country require that communication pipeline engineering construction units must be equipped with a generator and a blower on a construction site, after a manhole or a handhole cover is opened, an air pipe of the blower must be put into the manhole or the handhole, wind power of the blower is sufficient, gas in the manhole or the handhole is forced to exchange with the outside, harmful gas possibly existing in the manhole or the handhole is eliminated, and then a toxic gas detector is used for detecting whether toxic gas exists in the manhole or the handhole. The method has the advantages of good ventilation effect and capability of quickly removing toxic gas possibly existing in a manhole or a handhole; the disadvantages are large volume of the equipment, large occupied space when carrying, high equipment cost and large noise of a construction site, and the waste gas is discharged when the generator is started to cause air pollution.
The two manners of removing the harmful gas in the manhole or the handhole have advantages and disadvantages respectively. The design of the ventilation device which is economical, durable, does not pollute the environment, is convenient to carry and has good use effect and can discharge harmful gas in the manhole or the hand hole is extremely important.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a downthehole breather of manhole to solve the problem that above-mentioned prior art exists, make the harmful gas in communication pipeline's manhole or the hand hole can the efficient discharge.
In order to achieve the above object, the utility model provides a following scheme:
the utility model provides a downthehole breather of people, its characterized in that: including the curtain bucket, it has the curtain axle to run through in the curtain bucket, it has curtain cloth to wind on the curtain axle, be equipped with the curtain mouth on the curtain bucket, curtain axle one end fixedly connected with electric drive mechanism, the other end stretch out the curtain bucket and can dismantle and be connected with manual actuating mechanism, the last plug-in connection of curtain bucket has the deep bead, the deep bead with correspond the setting from top to bottom of curtain mouth, thereby rotate control curtain through electric drive mechanism or manual actuating mechanism drive curtain axle and get into communication pipeline manhole or the position in the hand hole after stretching out the curtain mouth, adjust the air current size through the number of adjusting the deep bead, ventilate in communication pipeline's manhole or the hand hole.
Preferably, the electric driving mechanism comprises a motor fixedly connected with the curtain barrel and a battery electrically connected with the motor, and an output shaft of the motor extends into the curtain barrel and is fixedly connected with the curtain shaft.
Preferably, the manual driving mechanism comprises a limiting ring fixed at the end part of the curtain barrel, a ratchet stop head is arranged in the limiting ring, the ratchet stop head is fixedly connected with a ratchet wheel, the ratchet wheel extends out of the limiting ring and is fixedly connected with a crank, and a ratchet wheel pin for controlling the ratchet wheel to move in a single direction is fixed on the limiting ring.
Preferably, one end of the curtain shaft extending out of the curtain barrel is hexagonal, and a hexagonal groove adapted to the hexagonal shape is formed in the ratchet wheel stopper.
Preferably, the left end and the right end of the curtain barrel are connected with supporting plates in an inserting mode, and the supporting plates are connected with a base in an inserting mode.
Preferably, the front side and the rear side of the curtain barrel are symmetrically provided with side supports, and the side supports and the wind shield are fixed through a stay wire rope.
Preferably, the side support includes main tributary vaulting pole and bearing diagonal pole, main tributary vaulting pole one end with the curtain bucket is articulated, and the other end passes through the bolt and can dismantle the connection the one end of bearing diagonal pole, the other end of bearing diagonal pole with the curtain bucket is articulated.
Preferably, the diagonal support bar includes a first bar and a second bar connected to the first bar by a bolt.
Preferably, sockets inserted and connected with the wind deflectors are fixed at four corners of the wind deflectors.
Preferably, one end of the curtain cloth is fixed with the curtain shaft, the other end of the curtain cloth extends out of the curtain cloth opening, a curtain end rod is fixed at one end of the curtain cloth extending out of the curtain cloth opening, and a plurality of curtain cloth weights are fixed on the curtain end rod.
The utility model discloses a following technological effect:
the utility model discloses a thereby electric drive mechanism or manual actuating mechanism drive curtain axle rotate control curtain cloth and stretch out the position that gets into in communication pipeline manhole or the hand hole behind the curtain mouth, and simple structure is controllable, has avoided the potential safety hazard that the curtain cloth dropped, sets up the quantity of deep bead simultaneously according to the wind-force size of job site, air current intensity or the ventilation time length of allowwing, adjusts the air current intensity in manhole or the hand hole, shortens ventilation time and improves the efficiency of taking a breath.
In addition, the utility model can combine the two hexagonal structures when the curtain shaft needs to be manually controlled to rotate through the hexagonal separable design of the end of the curtain shaft extending out of the curtain barrel and the ratchet wheel stopper; when the curtain shaft does not need to be manually controlled to rotate, the two hexagonal structures are separated, and the device is more practical and flexible. The socket fixed through the four corners of the wind screen can be transversely and longitudinally inserted into and connected with the wind screen, so that more air flows can be guided into the well when the air flows are weaker, and the air exchange speed in the well is improved. The curtain cloth drop fixed at the tail end of the curtain cloth can enable the curtain cloth in the curtain barrel to automatically enter a manhole or a hand hole by means of the gravity of the curtain cloth drop, and labor force is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the structure of the present invention;
FIG. 3 is a schematic side view of the present invention;
fig. 4 is a schematic top view of the present invention;
FIG. 5 is a schematic view of a partial enlarged view A of FIG. 2 according to the present invention;
FIG. 6 is a schematic view of the ratchet stopper of the present invention;
fig. 7 is a schematic view of the structure of the wind deflector of the present invention.
The curtain comprises a curtain barrel 1, a curtain shaft 2, a curtain cloth 3, a curtain cloth opening 4, a wind shield 5, a motor 6, a battery 7, a limiting ring 8, a ratchet gear stop 9, a ratchet gear 10, a crank 11, a ratchet pin 12, a support plate 13, a base 14, a stay wire rope 15, a stay wire rope 15.1, a stay wire spring 15.2, a hook 15.3, a support rod 16, an inclined support rod 17, a first rod 17.1, a second rod 17.2, a socket 18, a curtain end rod 19, a curtain cloth pendant 20, a hexagonal groove 21, a wind shield mounting groove 22, a mounting protrusion 23 and a stay wire ring 24.
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.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Referring to fig. 1-7, the utility model provides a manhole ventilation device, which comprises a tubular curtain barrel 1, and the two ends of the curtain barrel 1 are fixedly connected with plugs, a curtain shaft 2 penetrates through the curtain barrel 1, a curtain cloth 3 is wound on the curtain shaft 2, the curtain cloth 3 is a soft and flaky strip-shaped material, a curtain cloth opening 4 is arranged on the curtain barrel 1, one end of the curtain shaft 2 is fixedly connected with an electric driving mechanism, the other end of the curtain shaft extends out of the curtain barrel 1 and is detachably connected with a manual driving mechanism, a wind shield 5 is inserted and connected on the curtain barrel 1, the wind shield 5 and the curtain cloth opening 4 are arranged in a corresponding way up and down, the curtain shaft 2 is driven to rotate by an electric driving mechanism or a manual driving mechanism so as to control the position of the curtain 3 which extends out of the curtain opening 4 and then enters the manhole or the handhole of the communication pipeline, the air flow is adjusted by adjusting the number of the wind shields 5, and ventilation and air exchange are carried out in the manhole or the hand hole of the communication pipeline.
Further optimize the scheme, electric drive mechanism include with 1 fixed connection's of curtain bucket motor 6 and with 6 electric connection's of motor battery 7, battery 7 is used for supplying power for motor 6, 6 output shafts of motor stretch into in the curtain bucket 1 with 2 one end fixed connection of curtain axle, specific fixed connection mode is equipped with the patchhole that 6 output shafts of motor inserted for 2 tip of curtain axle, 6 output shafts of motor insert behind the patchhole through round pin axle and 2 fixed connection of curtain axle, drive through motor 6 curtain axle 2 rotates, and then control curtain cloth 3 stretches out and enters communication pipeline manhole or the position in the hand hole behind curtain mouth 4.
Further optimize the scheme, manual drive mechanism is including fixing the spacing ring 8 at 1 tip of curtain bucket, the spacing ring is the spill structure, be equipped with ratchet dog 9 in the spill structure of spacing ring 8, ratchet dog 9 is unset with spacing ring 8, ratchet dog 9 fixedly connected with ratchet 10, the external diameter that ratchet dog 9 is greater than ratchet 10 is less than the internal diameter of spacing ring 8, and be equipped with the hole that stretches out that ratchet 10 passes through on spacing ring 8, ratchet 10 stretches out spacing ring 8 and fixed connection crank 11 through stretching out the hole, specific crank 11 connected mode is equipped with the ratchet axle on ratchet 10, crank 11 passes through the fixed screw fixation on the ratchet axle. In order to prevent the ratchet wheel from reversely rotating, a ratchet wheel pin 12 for controlling the ratchet wheel 10 to move in a single direction is fixed on the limiting ring 8, the curtain shaft 2 extends out of the curtain barrel 1 to support the curtain shaft 2 through a bearing, the outer ring of the bearing is fixed with a plug at the end part of the curtain barrel 1, the inner ring of the bearing is fixed with the curtain shaft 2, in order to prevent the curtain shaft 2 from idling after being matched with the ratchet wheel stopper 9, one end of the curtain shaft 2 extending out of the curtain barrel 1 is hexagonal, and a hexagonal groove 21 adaptive to the hexagonal shape is arranged on the ratchet wheel stopper 9. When the curtain is driven manually, the hexagonal groove of the ratchet stopper 9 is pressed into the hexagonal shape at one end of the curtain shaft 2, the crank 11 is shaken, the curtain shaft 2 can be rotated, the position of the curtain 3 extending out of the curtain opening 4 and entering the manhole or the hand hole of the communication pipeline is controlled, in order to prevent the curtain 3 from being pulled out of the curtain barrel 1 in the process of manually rolling the curtain 3 on the curtain shaft 2, and the ratchet pin 12 can prevent the ratchet 10 from rotating reversely in the direction that the curtain 3 is out of the curtain barrel 1.
The scheme is further optimized, the left end and the right end of the curtain barrel 1 are connected with the supporting plates 13 in an inserting mode, specifically, the curtain barrel 1 is provided with an inserting groove for inserting the supporting plates 13, the supporting plates 13 are provided with inserting bulges matched with the inserting groove, the inserting bulges of the supporting plates 13 are connected on the base 14 in an inserting mode, the base 14 is placed at the edge of a manhole or a hand-hole ring, the base 14 is arc-shaped, the inserting structure of the specific supporting plates 13 and the base 14 is that an arc-shaped groove is formed in the upper surface of the base 14, a dovetail-shaped groove is formed in the middle of the arc-shaped groove, a dovetail-shaped bulge matched with the dovetail-shaped groove is arranged on the supporting plates 13, the curvature radiuses of the supporting plates 13 and the curtain barrel 1 are the same, the curvature radius of the arc-shaped groove on the base 14 is the same as that of the dovetail-shaped groove of the supporting plates, the supporting plate 13 is inserted into the insertion groove of the curtain barrel 1 inserted into the supporting plate 13, so that the curtain barrel 1, the supporting plate 13 and the base 14 can be fixed together, and the device can be stably placed on a manhole or a hand hole.
Further optimization scheme, top at curtain bucket 1 is equipped with deep bead mounting groove 22, deep bead mounting groove 22 is concave structure, be used for inserting deep bead 5 in the deep bead mounting groove 22, deep bead 5 is the slice hard material, 5 one end of deep bead is equipped with deep bead mounting groove 22, the other end is equipped with the deep bead installation arch 23 with deep bead mounting groove 22 looks adaptation, the installation arch 23 is the square, the protruding 23 of installation of a deep bead 5 can insert in the deep bead mounting groove 22 on another deep bead 5, this structure can make polylith deep bead 5 splice each other as required, enlarge the area of deep bead, introduce stronger air current in manhole or the hand hole, improve the manhole or the downthehole ventilation effect of hand.
According to the further optimization scheme, after the wind shield 5 is inserted into the curtain barrel 1, in order to prevent the wind shield 5 from being blown off when wind is strong, the wind resistance strength is improved, side supports are symmetrically arranged on the front side and the rear side of the curtain barrel 1, the side supports and the wind shield 5 are fixed through pull ropes 15, pull-wire rings 24 are arranged on the wind shield 5, pull-wire rings 24 are also arranged on the side supports, the pull-wire rings 24 supported on each side and the pull-wire rings 24 on the wind shield 5 are fixedly connected through the pull ropes 15, each pull-wire rope 15 comprises a pull-wire rope 15.1, a pull-wire spring 15.2 and hooks 15.3, hooks 15.3 are fixed to the left end and the right end of the pull-wire rope 15.1, one end of each hook 15.3 is fixedly connected with a pull-wire spring 15.2, a hook 15.3 is also fixed to the other end of the pull-wire spring 15.2, and the hooks 15.3 at. When the wind power of a manhole or a hand hole is small or the air flow is weak, a plurality of wind deflectors 5 can be spliced; and each wind deflector 5 should be secured to the side supports by a pull string 15. On the contrary, only one wind shield 5 can be installed, or the wind shields 5 are not installed, the air flow is adjusted by adjusting the number of the wind shields 5, and ventilation and air exchange are carried out in the manhole or the hand hole of the communication pipeline.
According to the further optimization scheme, the four corners of the wind shields 5 are fixedly provided with the sockets 18 which are connected with the wind shields 5 in an inserted mode, the structures of the sockets 18 are the same as those of the wind shield mounting protrusions 23, the sockets 18 are connected with the wind shields 5 in an inserted mode, so that the upper portion of one wind shield 5 can be transversely inserted into another wind shield 5, or the two ends of each wind shield 5 can be longitudinally inserted into another wind shield 5, when the air flow is weak, more air flows can be guided into the well, and the air exchange speed in the well is improved.
Furthermore, the color of the wind shield 5 is a warning color, which can remind the passing personnel and vehicles near the manhole or the handhole to pay attention, thereby ensuring the safety of the construction site.
According to the further optimized scheme, the front side and the rear side of the curtain barrel 1 are symmetrically provided with a plurality of side supports, and the structures of the side supports are the same. The side support comprises a main support rod 16 and a diagonal support rod 17, the main support rod 16 and the diagonal support rod 17 are made of long-strip-shaped hard metal materials, one end of the main support rod 16 is connected with a U-shaped fixing frame through a rotating shaft, the U-shaped fixing frame is fixedly connected with the outer wall of the curtain barrel 1, the other end of the main support rod 17 is detachably connected with one end of the diagonal support rod 17 through a bolt, the other end of the diagonal support rod 17 is also connected with the U-shaped fixing frame through a rotating shaft, the U-shaped fixing frame at the other end of the diagonal support rod 17 is also fixedly connected with the curtain barrel 1, the diagonal support rod 17 comprises a first rod 17.1 and a second rod 17.2 connected with the first rod 17.1 through a bolt, one end of the first rod 17.1 is connected with the main support rod 16 through a bolt, the other end of the first rod 17. When the device is not used, the device can support and fold each side at one side of the curtain barrel 1 through the structural design, and is convenient to carry. And the folding of the diagonal bracing pole 17 does not influence the folding of the main bracing pole 16, after the diagonal bracing pole 17 is opened, the main bracing pole 16 can be opened in place, at this moment, all bolts on the side support are screwed, the diagonal bracing pole 17 can support the main bracing pole 16, so that the device is more stably installed in a manhole or a hand hole.
In a further optimized scheme, a vertical plate is arranged at one end, far away from the curtain barrel 1, of the main support rod 16, and the vertical plate can be propped against the inner side of a manhole or a hand hole ring, so that the contact area between the main support rod and the hole ring is increased, and the support effect is enhanced.
According to the further optimized scheme, one end of the curtain cloth 3 is fixed with the curtain shaft 2, the other end of the curtain cloth 3 extends out of the curtain opening 4, a curtain end rod 19 is fixed at one end of the curtain cloth 3 extending out of the curtain opening 4, a plurality of curtain cloth weights 20 are fixed on the curtain end rod 19, the structural design prevents the curtain cloth 3 from being distorted and deformed, when the motor stops using, the hexagonal groove of the ratchet retaining head 9 is separated from the hexagonal shape of one end of the curtain shaft 2, and the curtain cloth weights 20 are fixed on the curtain end rod 19, so that the curtain cloth 3 can automatically extend out of the curtain barrel 1 under the action of the gravity of the curtain cloth weights 20 and fall to the bottom of a manhole or a hand hole.
According to the further optimized scheme, in order to prevent the curtain cloth 3 from deviating in the coiling process, the curtain shaft 2 is provided with a left thread and a right thread, and the centers of the left thread and the right thread are overlapped with the center of the curtain cloth.
The utility model discloses a use method does:
(1) pressing the hexagonal groove of the ratchet wheel stopper 9 into the hexagonal shape at one end of the curtain shaft to lock the curtain shaft 2 and prevent the curtain cloth 3 from falling off the curtain barrel 1;
(2) inserting the dovetail-shaped protrusion arranged on the supporting plate 13 into the dovetail-shaped groove of the base 14, and inserting the supporting plate 13 into the curtain barrel 1 and inserting the supporting plate 13 into the insertion groove of the supporting plate 13;
(3) unfolding the side support from the folding position of the side surface of the curtain barrel 1 to keep the side support in a vertical state with the curtain barrel 1, and screwing a bolt on the side support;
(4) opening the outer cover and the inner cover of the manhole or the hand hole, and placing the device in a mouth ring of the manhole or the hand hole; the ratchet wheel stop 9 is pulled outwards, so that the hexagonal groove on the bottom surface of the ratchet wheel stop 9 is separated from the hexagonal shape of the end part of the curtain shaft 1;
(5) the curtain cloth 3 in the curtain barrel 1 is pulled into the manhole or the handhole by the gravity of the curtain cloth plummet 20;
(6) when the bottom of the manhole or hand hole has been reached, the curtain 3 can be lifted upwards by means of an electric or manual drive, adjusting the position of the curtain 3 away from the bottom of the manhole or hand hole.
(7) After the position is adjusted, one or more wind deflectors 5 are installed according to the wind power or the air current of the manhole or the hand hole.
The air flow introduced into the manhole or the handhole by the device can flow out from the other side surface of the device, so as to achieve the purpose of improving the air quality in the manhole or the handhole.
In order to prevent toxic gas from entering the working manhole or hand hole from other manholes or hand holes along the pipeline hole, the device is continuously operated during the construction process, and the device can not be retracted until the working is finished. When the device is folded, the ratchet wheel blocking head 9 can be pulled outwards, the hexagonal groove on the bottom surface of the ratchet wheel blocking head 9 leaves the hexagonal shape of the end part of the curtain shaft 2, and the motor 6 is started to wind the curtain cloth 3 into the curtain barrel 1; or the motor 6 is closed, the hexagonal groove on the ratchet wheel stopper 9 is pressed into the hexagonal shape on the curtain shaft 2, the crank 11 is shaken, and the curtain cloth 3 is manually rolled into the curtain barrel 1. The wind deflector 5 is removed and finally the side support is folded to one side of the curtain bucket 1, the support plate 13 and the base 14 are stowed.
The utility model discloses simple structure, convenient to use is accessible electric drive mechanism also accessible manual actuating mechanism drive curtain axle rotation control curtain cloth and stretches out and get into communication pipeline manhole or the downthehole position of hand behind the curtain mouth, and simple structure is controllable, has avoided the potential safety hazard that the curtain cloth dropped, sets up the quantity of deep bead simultaneously according to the wind-force size of job site, air current intensity or the ventilation time length of allowwing, adjusts the air current intensity in manhole or the hand hole, shortens ventilation time and improves the efficiency of taking a breath.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.
Claims (10)
1. The utility model provides a downthehole breather of people which characterized in that: including curtain bucket (1), it has curtain axle (2) to run through in curtain bucket (1), it has curtain cloth (3) to roll up on curtain axle (2), be equipped with curtain cloth mouth (4) on curtain bucket (1), curtain axle (2) one end fixedly connected with electric drive mechanism, the other end stretch out curtain bucket (1) and can be connected with manual actuating mechanism, it is connected with deep bead (5) to insert on curtain bucket (1), deep bead (5) with relative setting from top to bottom of curtain cloth mouth (4), thereby rotate curtain axle (2) through electric drive mechanism or manual actuating mechanism and control curtain cloth (3) and stretch out and go into communication pipeline manhole or the downthehole position of hand behind communication pipeline manhole (4), adjust the air current size through the number of adjusting deep bead (5), ventilate in manhole or the hand hole to communication pipeline.
2. A manhole air exchange device according to claim 1, wherein: the electric driving mechanism comprises a motor (6) fixedly connected with the curtain barrel (1) and a battery (7) electrically connected with the motor (6), and an output shaft of the motor (6) extends into the curtain barrel (1) and is fixedly connected with the curtain shaft (2).
3. A manhole air exchange device according to claim 1, wherein: manual actuating mechanism is including fixing spacing ring (8) at curtain bucket (1) tip, be equipped with ratchet gear dog (9) in spacing ring (8), ratchet gear dog (9) fixedly connected with ratchet (10), ratchet (10) stretch out spacing ring (8) fixed connection crank (11), be fixed with ratchet round pin (12) of control ratchet (10) folk prescription motion on spacing ring (8).
4. A manhole air exchange device according to claim 3, wherein: one end of the curtain shaft (2) extending out of the curtain barrel (1) is hexagonal, and a hexagonal groove (21) adapted to the hexagonal shape is formed in the ratchet wheel stopper (9).
5. A manhole air exchange device according to claim 1, wherein: the left end and the right end of the curtain barrel (1) are connected with supporting plates (13) in an inserting mode, and the supporting plates (13) are connected with bases (14) in an inserting mode.
6. A manhole air exchange device according to claim 1, wherein: the front side and the rear side of the curtain barrel (1) are symmetrically provided with side supports, and the side supports and the wind shield (5) are fixed through a stay rope (15).
7. A manhole air exchange device according to claim 6, wherein: the side support includes main tributary vaulting pole (16) and bearing diagonal pole (17), main tributary vaulting pole (16) one end with curtain bucket (1) is articulated, and the connection can be dismantled through the bolt to the other end the one end of bearing diagonal pole (17), the other end of bearing diagonal pole (17) with curtain bucket (1) is articulated.
8. A manhole air exchange device according to claim 7, wherein: the inclined supporting rod (17) comprises a first rod (17.1) and a second rod (17.2) connected with the first rod (17.1) through a bolt.
9. A manhole air exchange device according to claim 1, wherein: and sockets (18) which are connected with the wind shield (5) in an inserting manner are fixed at four corners of the wind shield (5).
10. A manhole air exchange device according to claim 1, wherein: one end of the curtain cloth (3) is fixed with the curtain shaft (2), the other end of the curtain cloth extends out of the curtain cloth opening (4), a curtain end rod (19) is fixed at one end of the curtain cloth (3) extending out of the curtain cloth opening (4), and a plurality of curtain cloth pendants (20) are fixed on the curtain end rod (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920247727.8U CN210151778U (en) | 2019-02-27 | 2019-02-27 | Downthehole breather of people |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920247727.8U CN210151778U (en) | 2019-02-27 | 2019-02-27 | Downthehole breather of people |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210151778U true CN210151778U (en) | 2020-03-17 |
Family
ID=69754989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920247727.8U Active CN210151778U (en) | 2019-02-27 | 2019-02-27 | Downthehole breather of people |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210151778U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109914471A (en) * | 2019-02-27 | 2019-06-21 | 中国通信建设第一工程局有限公司 | Air interchanger in a kind of manhole |
| CN113618217A (en) * | 2021-09-01 | 2021-11-09 | 安徽里亚电池有限公司 | Spot welding device for manufacturing lithium battery |
-
2019
- 2019-02-27 CN CN201920247727.8U patent/CN210151778U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109914471A (en) * | 2019-02-27 | 2019-06-21 | 中国通信建设第一工程局有限公司 | Air interchanger in a kind of manhole |
| CN113618217A (en) * | 2021-09-01 | 2021-11-09 | 安徽里亚电池有限公司 | Spot welding device for manufacturing lithium battery |
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