CN215298437U

CN215298437U - Dust content alarm device is used in construction

Info

Publication number: CN215298437U
Application number: CN202120067442.3U
Authority: CN
Inventors: 白庆国
Original assignee: Beijing Pengsheng Construction Engineering Co ltd
Current assignee: Beijing Pengsheng Construction Engineering Co ltd
Priority date: 2021-01-12
Filing date: 2021-01-12
Publication date: 2021-12-24
Anticipated expiration: 2031-01-12

Abstract

The utility model relates to the technical field of dust alarms, and discloses a dust content alarm device for construction, which comprises a hanging plate and a telescopic device, wherein the front side of the hanging plate is fixedly provided with a bell, the front side of the hanging plate is movably provided with a striker, the front side of the hanging plate is movably provided with a driving wheel cover plate, the front side of the hanging plate is fixedly provided with an alarm, the telescopic device is movably arranged inside the driving wheel cover plate and a driven cover plate, the telescopic device comprises a power wheel, the outer side of the power wheel is fixedly provided with an inserted bar, the outer side of the inserted bar is sleeved with a rotating block, the top end of the inserted bar is fixedly provided with a top plate, the inner side of the driven cover plate is movably arranged inside a driven wheel, the outer side of the driven wheel is movably provided with an inner rod, the top end of the inner rod is fixedly provided with a compression plate, the outer surfaces of the compression plate and the rotating block are sleeved with a belt, the device can alarm from slow to fast, the abrasion is slowed down, and meanwhile, the alarm effect can be achieved.

Description

Dust content alarm device is used in construction

Technical Field

The utility model relates to a dust alarm technical field specifically is a dust content alarm device is used in construction.

Background

When carrying out construction in the closed place, can produce a large amount of dusts, when dust content in the environment reaches the certain degree, receive the stimulation of high fever and can produce the explosion, so generally all can use dust alarm when the construction, in time report to the police when dust content is higher in the environment, avoid unexpected production, dust alarm generally utilizes the ringtone of jingle bell to carry out the police dispatch newspaper, and the principle that the jingle bell takes place is through striking the sound production, and striking frequency is when lower, sound can be covered by construction sound, can't play the alarm effect, when striking frequency is high, great to the wearing and tearing of equipment, need frequent maintenance to change.

Therefore, the demand for high-reliability products is urgent, and a construction dust content alarm device is provided, which has the advantages that the alarm can be performed from slow to fast, the abrasion is slowed down, and meanwhile, the alarm effect can be achieved, so that the problems are solved.

SUMMERY OF THE UTILITY MODEL

In order to realize the above-mentioned alarm that can be carried out by slowly to the scram, also can reach the purpose of warning effect when slowing down wearing and tearing, the utility model provides a following technical scheme: the utility model provides a construction is with dust content alarm device, includes link plate and telescoping device, the positive fixed mounting of link plate has the jingle bell, the positive movable mounting of link plate has the lance, the positive movable mounting of link plate has the driving wheel apron, the positive fixed mounting of link plate has driven apron, the positive movable mounting of driven apron has the firing pin, the positive fixed mounting of link plate has the alarm, telescoping device movable mounting is inside driving wheel apron and driven apron.

As optimization, the telescoping device includes the power wheel, power wheel outside fixed mounting has the inserted bar, the commentaries on classics piece has been cup jointed in the inserted bar outside, inserted bar top fixed mounting has the roof, roof bottom fixed mounting has compression spring, the inside movable mounting of driven apron is from the driving wheel, from the driving wheel outside movable mounting have interior pole, interior pole top fixed mounting has the compression plate, the surface of compression plate and commentaries on classics piece has cup jointed the belt, the inside movable mounting of commentaries on classics piece has the baffle.

Preferably, a torsion spring is fixedly installed inside the striker, the top end of the striker is attached to the surface of the bell, the rotation direction of the striker is anticlockwise, the length of the striker is greater than the length from the bottom end of the striker to the center of the driven cover plate, and the striker impacts the bell through the rotation of the striker to complete the alarm.

As the optimization, baffle bottom movable mounting has the fly leaf, fixed mounting has little spring between fly leaf and the commentaries on classics piece inner wall, the baffle bottom inclines towards the inserted bar direction, the baffle passes through swivel mount movable mounting on commentaries on classics piece inner wall surface, the baffle is totally eight, and the symmetry is installed on the left and right sides inner wall surface of commentaries on classics piece, when the roof moves down, can press the baffle to both sides, when gradually with the outside side pressure of baffle, little spring is compressed gradually, and outside thrust increases gradually, and the resistance that the roof received also progressively increases, reaches the effect that slows down the commentaries on classics piece and moves speed outward.

As an optimization, the compression spring is fixedly installed between the top plate and the rotating block, the rotating plates are movably installed at two ends of the top plate, the positioning plate is fixedly installed at the top end of the top plate, the positioning rod is fixedly installed at the bottom end of the positioning plate and is embedded in a groove formed in the top end of the rotating plate, the rotating direction of the rotating plate is limited by the positioning plate, the rotating plate can only rotate downwards, when the rotating block moves upwards, the top plate moves downwards in the rotating block, the rotating plate is limited by the positioning plate and cannot rotate, the baffle can only be pressed towards two sides, when the top plate moves upwards, the rotating plate is pushed by the baffle and rotates downwards, and the baffle cannot block the top plate from moving upwards.

As optimization, the motor is fixedly installed in the hanging plate, the power wheel is fixedly installed on an output shaft of the motor, the alarm is connected with the motor through a circuit, when dust in the environment exceeds the standard, the motor is started by the alarm, the motor starts to operate, and power is supplied to equipment.

As an optimization, the inner rod is inserted into the driven wheel, the limiting plate is fixedly mounted at the bottom end of the inner rod, the return spring is fixedly mounted between the compression plate and the driven wheel, the rotating shaft is fixedly mounted in the firing pin, and the firing pin is driven to rotate by the driven wheel so as to achieve the purpose of alarming.

The utility model has the advantages that: the motor drives the power wheel to rotate, when the power wheel rotates, the rotating block is thrown out under the action of centrifugal force, when the rotating block moves outwards, the rotating plates arranged at two ends of the top plate press the baffle plates, in the pressing process, the baffle plates are gradually increased by thrust in the direction of the top plate, so that the outward moving speed of the rotating block is reduced, and the aim of gradually grading outward moving the rotating block is fulfilled by utilizing a plurality of grouped baffle plates. The warning constructor that can be better in time handles the dust, reduces because the warning bell sound is clear discernment accident that causes inadequately, if can discover the alarm as early as possible, also can in time stop the alarm, avoids causing the excessive wearing and tearing of equipment owing to the too tight alarm that promotes for a long time.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the telescopic device of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.

In the figure: 1. hanging the plate; 2. ringing; 3. a ram; 4. a driving wheel cover plate; 5. a driven cover plate; 6. a striker; 7. an alarm; 8. a telescoping device; 801. a power wheel; 802. inserting a rod; 803. rotating the block; 804. a top plate; 805. a compression spring; 806. a driven wheel; 807. an inner rod; 808. a compression plate; 809. a belt; 810. and a baffle plate.

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.

Referring to fig. 1, the dust content alarm device for construction comprises a hanging plate 1 and a telescopic device 8, wherein a bell 2 is fixedly installed on the front surface of the hanging plate 1, a striker 3 is movably installed on the front surface of the hanging plate 1, a driving wheel cover plate 4 is movably installed on the front surface of the hanging plate 1, a driven cover plate 5 is fixedly installed on the front surface of the hanging plate 1, a striker 6 is movably installed on the front surface of the driven cover plate 5, an alarm 7 is fixedly installed on the front surface of the hanging plate 1, and the telescopic device 8 is movably installed inside the driving wheel cover plate 4 and the driven cover plate 5.

Referring to fig. 2-3, the telescopic device 8 includes a power wheel 801, an insertion rod 802 is fixedly mounted on an outer side of the power wheel 801, a rotation block 803 is sleeved on an outer side of the insertion rod 802, a top plate 804 is fixedly mounted at a top end of the insertion rod 802, a compression spring 805 is fixedly mounted at a bottom end of the top plate 804, the driven cover plate 5 is movably mounted inside the driven wheel 806, an inner rod 807 is movably mounted on an outer side of the driven wheel 806, a compression plate 808 is fixedly mounted at a top end of the inner rod 807, belts 809 are sleeved on outer surfaces of the compression plate 808 and the rotation block 803, and a baffle 810 is movably mounted inside the rotation block 803.

Referring to fig. 1, a torsion spring is fixedly installed inside the striking rod 3, the top end of the striking rod 3 is attached to the surface of the bell 2, the rotation direction of the striking rod 6 is counterclockwise, the length of the striking rod 6 is greater than the length from the bottom end of the striking rod 3 to the center of the driven cover plate 5, the striking rod 3 strikes the bell 2 by the rotation of the striking rod 6, and thus the alarm is completed.

Referring to fig. 2-3, a movable plate is movably mounted at the bottom end of the baffle 810, small springs are fixedly mounted between the movable plate and the inner wall of the rotary block 803, the bottom end of the baffle 810 inclines towards the direction of the insertion rod 802, the baffle 810 is movably mounted on the inner wall surface of the rotary block 803 through a rotary seat, the total number of the baffles 810 is eight, and the baffles 810 are symmetrically mounted on the inner wall surfaces of the left side and the right side of the rotary block 803, when the top plate 804 moves downward, the baffle 810 is pressed towards both sides, when the baffle 810 is gradually pressed towards the outside, the small springs are gradually compressed, the outward thrust is gradually increased, the resistance force applied to the top plate 804 is also gradually increased, and the effect of reducing the outward moving speed of the rotary block 803 is achieved.

Referring to fig. 2, a compression spring 805 is fixedly installed between a top plate 804 and a rotating block 803, rotating plates are movably installed at two ends of the top plate 804, a positioning plate is fixedly installed at the top end of the top plate 804, a positioning rod is fixedly installed at the bottom end of the positioning plate, the positioning rod is embedded in a groove formed in the top end of the rotating plate, the rotating direction of the rotating plate is limited by the positioning plate, so that the rotating plate can only rotate downwards, when the rotating block 803 moves upwards, the top plate 804 moves downwards in the rotating block 803, the rotating plate is limited by the positioning plate and cannot rotate, only the baffle 810 can be pressed towards two sides, when the top plate 804 moves upwards, the rotating plate is pushed by the baffle 810 and rotates downwards, and the baffle 810 cannot block the top plate 804 from moving upwards.

Referring to fig. 1, a motor is fixedly installed inside a hanging plate 1, a power wheel 801 is fixedly installed on an output shaft of the motor, an alarm 7 is connected with the motor through a circuit, and when dust in the environment exceeds the standard, the alarm 7 starts the motor to enable the motor to start to operate and provide power for equipment.

Referring to fig. 1-2, an inner rod 807 is inserted into the driven wheel 806, a limiting plate is fixedly mounted at the bottom end of the inner rod 807, a return spring is fixedly mounted between the compression plate 808 and the driven wheel 806, a rotating shaft is fixedly mounted in the driven wheel 806, the rotating shaft is fixedly mounted in the firing pin 6, and the firing pin 6 is driven to rotate by the driven wheel 806 to achieve the purpose of alarming.

In use, referring to fig. 1-3, when dust in the environment exceeds the standard, the alarm 7 starts the motor, the motor drives the power wheel 801 to rotate, when the power wheel 801 rotates, the rotating block 803 is thrown out under the action of centrifugal force, because the rotating block 803 moves outwards, because the rotating plates arranged at the two ends of the top plate 804 are limited in direction by the positioning plates, the rotating plates press the baffle 810 down in the downward movement process of the top plate 804, and in the pressing process, the thrust of the baffle 810 in the direction of the top plate 804 is gradually increased, so as to slow down the outward movement speed of the rotating block 803, and the purpose of gradually grading outward movement of the rotating block 803 is achieved by utilizing a plurality of grouped baffles 810, when the rotating block 803 moves outwards, the distance from the top end of the rotating block 803 to the center of the power wheel 801 is increased, the belt 809 is stretched, because the length of the belt 809 is fixed, the driven wheel 806 is tightened under the pressure of the belt 809, the distance from the top end of the compression plate 808 to the center of the driven wheel 806 is shortened, under the condition that the rotation speed of the motor is constant, the rotation diameter of the power wheel 801 side is increased, the rotation diameter of the driven wheel 806 side is shortened, the rotation speed of the driven wheel 806 is increased, the rotation speed of the firing pin 6 is increased, the alarm sound is gradually accelerated, a constructor can be better reminded to process dust in time, accidents caused by the fact that the alarm bell sound is not clear enough are reduced, if the alarm can be found as early as possible, the alarm 7 can be stopped in time, excessive abrasion of equipment caused by long-time over-tight alarm is avoided, after the alarm 7 is turned off, the motor stops working, the power wheel 801 stops rotating, the compression spring 805 jacks up the top plate 804, the inserted rod 802 is retracted into the rotating block 803, the top plate 804 moves upwards in the rotating block 803, and the rotating plate is not fixedly limited, therefore, the top plate 804 rotates downwards, so that the top plate 804 cannot be blocked by the baffle 810 in the process of rising, and the resetting effect is achieved.

In summary, the power wheel 801 is driven to rotate by the motor, when the power wheel 801 rotates, the rotating block 803 is thrown out under the action of centrifugal force, when the rotating block 803 moves outwards, the rotating plates arranged at two ends of the top plate 804 press the baffle 810, in the pressing process, the baffle 810 receives thrust in the direction of the top plate 804 to be gradually increased, so that the outward moving speed of the rotating block 803 is reduced, the aim of gradually grading outward moving the rotating block 803 is achieved by utilizing a plurality of grouped baffles 810, when the rotating block 803 moves outwards, the distance from the top end of the rotating block 803 to the center of the power wheel 801 is increased, the belt 809 is spread, because the length of the belt 809 is fixed, the driven wheel 806 is tightened under the pressure of the belt 809, the distance from the top end of the compression plate to the center of the driven wheel 806 is shortened, and under the condition that the rotating speed of the motor is constant, the rotating diameter of the power wheel 801 side is increased, the rotating diameter who follows driving wheel 806 side shortens, and the rotational speed from driving wheel 806 increases to drive the rotational speed of firing pin 6 and increase soon gradually, alarm sound is in time sharp, warning constructor that can be better in time handles the dust, reduces because the alarm ring sound is clear discernment accident that causes inadequately, if can discover the alarm as early as possible, also can in time stop alarm 7, avoid because the too tight alarm of long-time too causes the excessive wearing and tearing of equipment.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a dust content alarm device is used in construction, includes link plate (1) and telescoping device (8), its characterized in that: the hanging plate comprises a hanging plate body (1), and is characterized in that a bell (2) is fixedly mounted on the front side of the hanging plate body (1), a striker (3) is movably mounted on the front side of the hanging plate body (1), a driving wheel cover plate (4) is movably mounted on the front side of the hanging plate body (1), a driven cover plate (5) is fixedly mounted on the front side of the hanging plate body (1), a striker (6) is movably mounted on the front side of the driven cover plate (5), an alarm (7) is fixedly mounted on the front side of the hanging plate body (1), and a telescopic device (8) is movably mounted inside the driving wheel cover plate (4) and the driven cover plate (5).

2. The construction dust content alarm device according to claim 1, wherein: telescoping device (8) include power wheel (801), power wheel (801) outside fixed mounting has inserted bar (802), change piece (803) have been cup jointed in inserted bar (802) outside, inserted bar (802) top fixed mounting has roof (804), roof (804) bottom fixed mounting has compression spring (805), driven apron (5) inside movable mounting has from driving wheel (806), from driving wheel (806) outside movable mounting have interior pole (807), interior pole (807) top fixed mounting has compression board (808), belt (809) have been cup jointed to the surface of compression board (808) and change piece (803), change piece (803) inside movable mounting have baffle (810).

3. The construction dust content alarm device according to claim 1, wherein: the spring type alarm is characterized in that a torsion spring is fixedly mounted inside the striker (3), the top end of the striker (3) is attached to the surface of the bell (2), the rotating direction of the striker (6) is anticlockwise, and the length of the striker (6) is greater than the length from the bottom end of the striker (3) to the center of the driven cover plate (5).

4. The construction dust content alarm device according to claim 2, wherein: compression spring (805) fixed mounting has between roof (804) and commentaries on classics piece (803), the equal movable mounting in roof (804) both ends has the commentaries on classics board, roof (804) top fixed mounting has the locating plate, locating plate bottom fixed mounting has the locating lever, the locating lever scarf joint is inside the recess of seting up at the commentaries on classics board top.

5. The construction dust content alarm device according to claim 2, wherein: baffle (810) bottom movable mounting has the fly leaf, fixed mounting has the little spring between fly leaf and commentaries on classics piece (803) inner wall, baffle (810) bottom inclines towards inserted bar (802) direction, baffle (810) are through swivel mount movable mounting at commentaries on classics piece (803) inner wall surface, baffle (810) are totally eight, and the symmetry is installed at the left and right sides inner wall surface of commentaries on classics piece (803).

6. The construction dust content alarm device according to claim 2, wherein: the motor is fixedly installed in the hanging plate (1), the power wheel (801) is fixedly installed on an output shaft of the motor, and the alarm (7) is connected with the motor through a circuit.

7. The construction dust content alarm device according to claim 2, wherein: the inner rod (807) is inserted inside the driven wheel (806), a limiting plate is fixedly mounted at the bottom end of the inner rod (807), a return spring is fixedly mounted between the compression plate (808) and the driven wheel (806), a rotating shaft is fixedly mounted inside the driven wheel (806), and the rotating shaft is fixedly mounted inside the firing pin (6).