CN210828288U

CN210828288U - Safety alarm device for movable scaffold

Info

Publication number: CN210828288U
Application number: CN201921639868.0U
Authority: CN
Inventors: 洪枫
Original assignee: Chongqing Saidi Engineering Consulting Co ltd
Current assignee: Chongqing Saidi Engineering Consulting Co ltd
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-06-23
Anticipated expiration: 2029-09-29

Abstract

The utility model discloses a remove scaffold frame safety alarm device, including the mount pad of taking the truckle, be provided with on the mount pad and rotate the rotation sensor who triggers by the truckle, the top of mount pad is provided with the scaffold connecting cylinder, it has first expanding spring to have supported between mount pad and the scaffold connecting cylinder, still be provided with pressure sensor on the mount pad, pressure sensor's top is provided with the crimping piece with scaffold connecting cylinder fixed connection, when the first expanding spring of scaffold connecting cylinder atress compression, pressure sensor is triggered to the crimping piece, when pressure sensor triggers with truckle rotation sensor simultaneously, alarm circuit sends the warning suggestion. The safety alarm device is used as a trigger element of the alarm circuit through the pressure sensor and the rotation sensor, timely prompts a supervisor to supervise, and meanwhile reminds a worker to lock the movable scaffold, so that the safety accident caused by the construction of the movable scaffold when the movable scaffold is not locked is effectively avoided.

Description

Safety alarm device for movable scaffold

Technical Field

The utility model relates to a construction technical field especially relates to a portable scaffold frame safety alarm device.

Background

At present, in the construction of a subway tunnel, various communication cables need to be erected inside the subway tunnel and various facilities need to be erected on both sides of the subway tunnel, so that a mobile scaffold needs to be widely used. But because the subway tunnel has the characteristics of relative sealing and longer length, great difficulty exists in supervision, and some constructors who construct for a long time in engineering save trouble for the drawing, do not lock the mobile scaffold under the condition that the supervisor is not on site, and the scaffold which is not locked can bring huge potential safety hazard, and easily causes personnel and heavy object to fall. Therefore, in order to prevent such safety accidents, a great number of supervisors need to be invested, and the working strength of the supervisors is also great, so that how to assist the supervisors to timely supervise constructors who do not comply with safety regulations or are negligent becomes a technical problem to be solved in the field.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a setting is on mobile scaffold frame for supplementary supervision and suggestion constructor's semi-compulsory safety alarm device aims at solving the technical problem who explains in the background art.

In order to realize the above-mentioned purpose, the utility model provides a remove scaffold frame safety alarm device, including the mount pad of taking the truckle, be provided with on the mount pad and rotate the rotation sensor who triggers by the truckle, the top of mount pad is provided with the scaffold connecting cylinder, the mount pad with it has first expanding spring to connect between the scaffold connecting cylinder, still be provided with pressure sensor on the mount pad, pressure sensor's top be provided with scaffold connecting cylinder fixed connection's crimping piece works as scaffold connecting cylinder atress compression during first expanding spring, crimping piece triggers pressure sensor, pressure sensor with truckle rotation sensor inserts in the alarm circuit simultaneously, when the two triggers simultaneously, the alarm circuit sends the warning suggestion.

The mounting seat is provided with a second telescopic spring, the upper end of the second telescopic spring is provided with a lifting rod, and the pressure sensor is arranged at the upper end of the lifting rod.

The scaffold connecting cylinder is connected with the lifting rod through the lifting cable, the lifting rod is connected with the lifting rod through the lifting cable, the scaffold connecting cylinder is compressed through stress, the first telescopic spring is compressed through the lifting cable, the pressure welding piece descends, the lifting rod moves towards the mounting seat, the pressure welding piece drives the lifting rod to move, and the brake cable is triggered to brake.

The scaffold connecting device comprises a mounting seat, a scaffold connecting cylinder and a first telescopic spring, wherein the upper end of the mounting seat is provided with the first sleeve, the lower end of the scaffold connecting cylinder is provided with a second sleeve, and the first sleeve and the second sleeve are sleeved through the first telescopic spring.

The upper end of the mounting seat is further provided with a third sleeve, the lifting rod is sleeved on the third sleeve, and the lower end of the lifting rod is elastically connected with the bottom of the third sleeve through the second telescopic spring.

The edge of the upper end pipe orifice of the third sleeve is provided with a guide wheel, and a brake cable of the caster brake extends into the third sleeve through the guide wheel and is fixedly connected with the lifting rod.

Wherein, the lifter adopts single-end bolt, and its head is located the upper end.

The height difference between the lifting rod and the crimping piece is matched with the stressed and compressed length of the first telescopic spring, and the stressed and compressed length of the second telescopic spring is matched with the system and motion length of the brake cable.

The crimping piece is a pressing plate and is fixedly connected to the bottom or the side wall of the scaffold connecting cylinder.

Wherein, the alarm circuit is including establishing ties first relay switch and the second relay switch on bee calling organ and alarm lamp supply circuit, concatenate on the power supply circuit of first relay switch pressure sensor, concatenate on the power supply circuit of second relay switch rotation sensor works as when pressure sensor triggers, first relay switch is closed, works as when rotation sensor triggers, second relay switch is closed.

The utility model discloses a remove scaffold frame safety alarm device, before the use, pass through earlier this safety alarm device is installed on removing the scaffold frame to the scaffold frame connecting cylinder, when using the removal scaffold frame of installing this safety alarm device to construct, workman or heavy object are in on the workstation of scaffold frame, the self weight of workman or heavy object makes the scaffold frame workstation receive decurrent gravity this moment, make scaffold frame connecting cylinder extrusion first expanding spring, thereby make the crimping piece of fixed connection on scaffold frame connecting cylinder descend and the pressure sensor contact, at this moment, if rotation sensor detects the truckle rotation, then judge not lock when using this removal scaffold frame construction and die, pressure sensor inserts the alarm circuit with truckle sensor simultaneously, when the two triggers simultaneously, the alarm circuit sends the warning suggestion.

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

simple structure, design benefit through pressure sensor and rotation sensor as the trigger element of alarm circuit jointly, also reminds workman's locking to remove the scaffold when in time suggestion supervisory personnel supervise, has effectively avoided removing the scaffold and has gone up people's construction and take place the incident when not locking.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, 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 creative efforts.

Fig. 1 is a schematic structural diagram of the safety alarm device of the movable scaffold of the present invention.

Fig. 2 is a schematic view of the state of the safety alarm device of the movable scaffold when the safety alarm device triggers the brake.

Fig. 3 is an equivalent circuit diagram of the alarm control circuit.

The device comprises a caster 1, a mounting seat 2, a rotation sensor 3, a caster brake 4, a scaffold connecting cylinder 5, a first telescopic spring 6, a second telescopic spring 7, a lifting rod 8, a brake cable 9, a pressure welding piece 10, a pressure sensor 11, an alarm 12, a first sleeve 13, a second sleeve 14, a third sleeve 15 and a guide wheel 16.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "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 and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 and fig. 2, the present invention provides a technical solution: the utility model provides a remove scaffold frame safety alarm device, includes the mount pad 2 of taking truckle 1, be provided with on the mount pad 2 and rotate the rotation sensor 3 that triggers by truckle 1, the top of mount pad 2 is provided with scaffold connecting cylinder 5, mount pad 2 with it has first expanding spring 6 to have waited to connect between the scaffold connecting cylinder 5, still be provided with pressure sensor 11 on the mount pad 2, pressure sensor 11's top be provided with scaffold connecting cylinder 5 fixed connection's crimping piece 10 works as scaffold connecting cylinder 5 atress compression during first expanding spring 6, crimping piece 10 triggers pressure sensor 11, pressure sensor 11 with in truckle 1's rotation sensor 3 inserts alarm 12 circuit simultaneously, when the two triggers simultaneously, alarm 12 circuit sends the warning suggestion.

In this embodiment, before using, pass through earlier this safety alarm device is installed on moving scaffold to scaffold connecting cylinder 5, when using the moving scaffold of installing this safety alarm device to carry out construction, workman or heavy object are in on the workstation of scaffold, the self weight of workman or heavy object made scaffold workstation receive decurrent gravity this moment, make scaffold connecting cylinder 5 extrude first expanding spring 6, thereby make crimping piece 10 of fixed connection on scaffold connecting cylinder 5 descend and contact with pressure sensor 11, at this moment, if rotation sensor 3 detects truckle 1 and rotates, then judge that does not lock when using this moving scaffold to construct, pressure sensor 11 inserts alarm 12 circuit with truckle 1 sensor simultaneously, when the two triggers simultaneously, alarm 12 circuit sends the suggestion of reporting to the police. Safety alarm device simple structure, design benefit through pressure sensor 11 and rotation sensor 3 as the trigger element of alarm 12 circuit jointly, also reminds workman's locking to remove the scaffold frame when in time indicateing supervisory personnel to supervise, has effectively avoided removing the scaffold frame and has gone up people's construction and take place the incident when not locking.

Further, a second telescopic spring 7 is arranged on the mounting seat 2, a lifting rod 8 is arranged at the upper end of the second telescopic spring 7, and the pressure sensor 11 is arranged at the upper end of the lifting rod 8.

Further, a caster brake 4 is arranged on the mounting base 2, a brake cable 9 of the caster brake 4 is connected with the lifting rod 8, and when the scaffold connecting cylinder 5 compresses the first telescopic spring 6 under stress, the pressing piece 10 descends to press the lifting rod 8 to move towards the mounting base 2 and drive the brake cable 9 to trigger the brake.

In the present embodiment, when a worker or a heavy object is placed on the scaffold work table, the scaffold work table receives downward gravity by the weight of the worker or the heavy object, so that the scaffold mounting cylinder presses the first extension spring 6, thereby pressing the lifting rod 8 provided with the pressure sensor 11 by moving down the pressing member 10 fixedly connected to the scaffold connecting cylinder 5, and at this time, the second extension spring 7 is compressed by force, and the lifting rod 8 moves down toward the mounting seat 2, thereby pulling the brake cable 9 of the brake, and further, the brake cable 9 triggers the brake to brake. When the load on the scaffold workbench disappears, the scaffold mounting cylinder and the crimping piece 10 are pushed by the first telescopic spring 6 to be in place, the second telescopic spring 7 loses the pressing force given by the crimping piece 10 to push the lifting rod 8 back to be in place, the brake cable 9 is not pulled any more, the brake at the wheel below is released, and the brake is released. Through increasing automatic brake equipment, make safety alarm device's function is more perfect, and the 12 circuits of alarm of initiative brake cooperation pressure sensor 11 and the control of rotation sensor 3 for constructor is safer when the construction.

Further, the upper end of mount pad 2 is provided with first sleeve pipe 13, the lower extreme of scaffold connecting cylinder 5 is provided with second sleeve pipe 14, first sleeve pipe 13 with second sleeve pipe 14 passes through first expanding spring 6 cup joints.

In this embodiment, first sleeve pipe 13 cup joints with second sleeve pipe 14, can play limiting displacement, and it moves down along vertical direction to guarantee after the scaffold mounting section of thick bamboo atress, and in addition, when the contact of mounting section of thick bamboo bottom and first sleeve pipe 13, first sleeve pipe 13 still can play the effect of sharing first expanding spring 6 atress, avoids the too big damage of first expanding spring 6 atress.

Further, the upper end of the mounting base 2 is further provided with a third sleeve 15, the lifting rod 8 is sleeved on the third sleeve 15, and the lower end of the lifting rod 8 is elastically connected with the bottom of the third sleeve 15 through the second telescopic spring 7.

In the present embodiment, the third sleeve 15 functions to limit the downward movement direction of the lift lever 8, and vertically moves the lift lever 8 downward toward the mount 2 at all times.

Further, a guide wheel 16 is arranged at the edge of the upper end pipe orifice of the third sleeve 15, and a brake cable 9 of the caster brake 4 extends into the third sleeve 15 through the guide wheel 16 and is fixedly connected with the lifting rod 8.

In the present embodiment, the guide wheel 16 can prevent the brake cable 9 from rubbing on the nozzle of the third sleeve 15, thereby increasing the service life of the brake cable 9.

Further, the lifting rod 8 adopts a single-head bolt, and the head of the single-head bolt is positioned at the upper end.

In the present embodiment, the head of the single-headed bolt can provide a certain protection function to the pressure sensor 11.

Further, the height difference between the lifting rod 8 and the crimping piece 10 is suitable for the stressed and compressed length of the first telescopic spring 6, and the stressed and compressed length of the second telescopic spring 7 is suitable for the regular and dynamic length of the brake cable 9.

Further, the pressing member 10 is a pressing plate and is fixedly connected to the bottom or the sidewall of the scaffold connecting cylinder 5.

Referring to fig. 3, further, the alarm 12 circuit includes a first relay switch and a second relay switch connected in series to the buzzer and the alarm lamp power supply circuit, the pressure sensor 11 is connected in series to the power supply circuit of the first relay switch, the rotation sensor 3 is connected in series to the power supply circuit of the second relay switch, when the pressure sensor 11 is triggered, the first relay switch is closed, and when the rotation sensor 3 is triggered, the second relay switch is closed.

Fig. 3 is an equivalent circuit diagram of the alarm control circuit, in which B1 denotes a power supply of the alarm 12, B2 denotes a control power supply of the first Relay switch, B3 denotes a control power supply of the second Relay switch, Relay1 denotes the first Relay switch, Relay2 denotes the second Relay switch, LS1 denotes a buzzer, LED1 denotes an alarm lamp, and R1 denotes a current limiting resistor in the power supply circuit of the alarm 12. When pressure sensor 11 detects pressure signal, solenoid in the first relay switch gets electric actuation switch, when rotation sensor 3 detected the truckle rotation signal, solenoid in the second relay switch gets electric actuation switch, and above-mentioned switch is established ties, and 12 circuit switch-ons of alarm after the actuation simultaneously impel bee calling organ buzzing and alarm lamp scintillation.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a remove scaffold frame safety alarm device, a serial communication port, including the mount pad of taking the truckle, be provided with on the mount pad and rotate the rotation sensor who triggers by the truckle, the top of mount pad is provided with the scaffold connecting cylinder, the mount pad with the butt has first expanding spring between the scaffold connecting cylinder, still be provided with pressure sensor on the mount pad, pressure sensor's top be provided with scaffold connecting cylinder fixed connection's crimping piece works as scaffold connecting cylinder atress compression during first expanding spring, the crimping piece triggers pressure sensor, pressure sensor with truckle rotation sensor inserts simultaneously in the alarm circuit, when the two triggers simultaneously, the alarm circuit sends the warning suggestion.

2. The mobile scaffold safety alarm device of claim 1, wherein a second extension spring is disposed on the mounting base, a lifting rod is disposed at an upper end of the second extension spring, and the pressure sensor is disposed at an upper end of the lifting rod.

3. The mobile scaffold safety alarm device of claim 2, wherein the mounting seat is provided with a caster brake, a brake cable of the caster brake is connected with the lifting rod, when the scaffold connecting cylinder is stressed to compress the first telescopic spring, the pressing member descends to press the lifting rod to move towards the mounting seat and drive the brake cable to trigger the brake.

4. The mobile scaffold safety alarm device of claim 1, wherein the mounting base is provided at an upper end thereof with a first sleeve, the scaffold connection tube is provided at a lower end thereof with a second sleeve, and the first sleeve and the second sleeve are sleeved by the first extension spring.

5. The safety alarm device for the mobile scaffold as claimed in claim 3, wherein the mounting base is further provided at an upper end thereof with a third sleeve, the lifting rod is sleeved on the third sleeve, and a lower end of the lifting rod is elastically connected with a bottom of the third sleeve through the second extension spring.

6. The safety alarm device for mobile scaffolds as claimed in claim 5, wherein the edge of the upper end nozzle of the third sleeve is provided with a guide wheel, and the brake cable of the caster brake extends into the third sleeve through the guide wheel and is fixedly connected with the lifting rod.

7. The mobile scaffold safety alarm device of claim 6, wherein the lifting rod is a single head bolt with its head at the upper end.

8. The safety alarm device for the movable scaffold according to claim 3, 5, 6 or 7, wherein the height difference between the lifting rod and the crimping piece is adapted to the forced compression length of the first telescopic spring, and the forced compression length of the second telescopic spring is adapted to the regular motion length of the brake cable.

9. The mobile scaffold safety alarm device of any one of claims 1 to 7, wherein the crimping member is a press plate and is fixedly attached to the bottom or side wall of the scaffold connection tube.

10. The safety alarm device for mobile scaffolds as claimed in any one of claims 1 to 7, wherein the alarm circuit comprises a first relay switch and a second relay switch connected in series with a buzzer and an alarm lamp power supply circuit, the pressure sensor is connected in series with the power supply circuit of the first relay switch, the rotation sensor is connected in series with the power supply circuit of the second relay switch, the first relay switch is closed when the pressure sensor is triggered, and the second relay switch is closed when the rotation sensor is triggered.