CN208200058U

CN208200058U - A kind of construction safety device

Info

Publication number: CN208200058U
Application number: CN201820277529.1U
Authority: CN
Inventors: 张瑜都; 孔文琼; 李阳
Original assignee: Shaanxi Railway Institute
Current assignee: Shaanxi Railway Institute
Priority date: 2018-02-09
Filing date: 2018-02-09
Publication date: 2018-12-07
Anticipated expiration: 2028-02-09

Abstract

The utility model discloses a kind of construction safety devices, including construction safety device, gear reduction unit, brake, disk spring and brake piston, the front end of the inside of construction safety device is equipped with the gear reduction unit, the whole outer surface close installation of the gear reduction unit has shell, the inner portion of the gear reduction unit is connected with unloading bolt, the cover is provided with above the unloading bolt, positioning bolt is fixed with beside the unloading bolt, dustproof cover is provided with above the positioning bolt, the upper surface of the cover and the dustproof cover, which is agreed with, end cap, the head movement of the brake is connected with dust cover, dustproof cover, the cover, end cap, shell and dust cover avoid ponding inside construction safety device, oil accumulation, accumulate sundries, the problems such as corrosion, subtract The maintenance process for having lacked device, protects part, ensure that the service life of the device.

Description

A kind of construction safety device

Technical field

The utility model relates to construction safety device technical field, specially a kind of construction is filled with security protection It sets.

Background technique

With flourishing for building trade, construction safety problem once becomes hot topic, construction peace The appearance of anti-device is exactly needed for the epoch, and using centrifugal force velocity response principle, it passes through construction safety device The speed of service of elevator craning cage is controlled to reach its protective effect, if when elevator hypervelocity falls, safety device from Mental and physical efforts will overcome spring force, then the security protection that the centrifugal-block outer end in safety device will be thrown out of, while just will drive Device Outer Taper is rotated together, and disk spring will be compressed, and make the compression between the inside and outside conical friction face of brake drum Power also can slowly increase, and the power supply of equipment can be also disconnected, and the realization of this whole process is very quick, effective, safety.

But following problems often occurs in existing construction safety device: centrifugal speed-limiting device movement speed is unstable It is fixed；When safety device integral installation is tested, centrifugal speed-limiting device movement is normal but cannot brake；Centrifugal speed-limiting device movement Normal when rate calibration, when integral installation is tested after assembling, movement speed deviates normal value；Bore the maximum braking of drum brake Torque does not reach requirement or maximum braking moment is unstable；Gear rotation is not flexible, in conclusion hoist falling-proof device examines mark Process is determined, actually to the Single Maintenance servicing operations of hoist falling-proof device, such as cleaning braking band surface, polishing awl drum table Face, the components of replacement failure, ponding, oil accumulation, sundries, corrosion etc. inside cleaning safety, after examining calibration qualified every time, It is both needed to be subject to lead sealing or stop-off lacquer, and provide survey report can just be delivered for use, the very many and diverse and degree of safety of operation is inadequate, maneuverability Energy bottom, hardly possible maintenance are at high cost.

So how to design a kind of construction safety device, becoming us will currently be solved the problems, such as.

Utility model content

The purpose of this utility model is to provide a kind of construction safety devices, to solve to mention in above-mentioned background technique The problem of not simple and safe enough the degree of device manipulation is not enough out, functionality is insufficient and difficult maintenance.

To achieve the above object, the utility model provides the following technical solutions: a kind of construction safety device, including Construction safety device, gear reduction unit, brake, disk spring and brake piston, the construction are filled with security protection The front end for the inside set is equipped with the gear reduction unit, and the rear of the gear reduction unit is fixedly connected with the brake, The outer surface of construction safety device is closely welded with shell, the center of the upper surface of the shell and is located at described The side of spring stack is provided with loading hatch, and shaft coupling is connected with right above the loading hatch, and the tail portion of the shaft coupling is solid Surely there is support, run through between the shaft coupling and the support and be connected with screw rod, construction safety device entirety Bottom is placed with bracket, and the whole outer surface close installation of the gear reduction unit has a shell, in the head of the gear reduction unit Side is connected with unloading bolt, and the cover is provided with above the unloading bolt, and it is fixed to be fixed with beside the unloading bolt Position bolt, is provided with dustproof cover above the positioning bolt, and the upper surface of the cover and the dustproof cover, which is agreed with, end cap, The side activity of the positioning bolt is connected to the disk spring, is flexibly connected between the disk spring and the positioning bolt There is copper nut, limit switches are fixedly connected with above the copper nut, the inner wall large area of the gear reduction unit is fixed with The tail portion of friction plate, the gear reduction unit is connected with gear by bearing, and the front of the brake is fixedly installed wheel hub spiral shell Bolt, the head movement of the brake are connected with dust cover, and the bottom of the boss bolt is embedded in the surface of wheel, the braking It is fixedly installed caliper bayonet lock above disk, caliper, the brake are fixedly connected between the two calipers bayonet lock The brake fluid hose of inside interlocking penetrates the tail portion of the brake.

Further, the inside of the construction safety device and penetrate the shell upper surface insertion be provided with The top of spring stack, the spring stack is fixedly connected with screw.

Further, the axis surrounding of the gear reduction unit is surrounded with cone hub, and the center opening of the cone hub is connected with Centrifugal brake block.

Further, the central core position of the brake is connected with brake disc, the side surface of the brake disc Surrounding is provided with ventilation opening.

Further, the inside of the caliper and be located at the brake disc upper surface be closely welded with drag friction The side of piece, the brake strip is provided with peep hole.

Further, be fixedly connected with the brake piston above the brake fluid hose, the caliper with it is described Gas vent is provided between brake piston.

Compared with prior art, the utility model has the beneficial effects that this kind is applied to construction safety device, if There is gear reduction unit, when the speed of service of objective of defense downlink reaches the movement speed of calibration, is equipped with inside gear reduction unit Centrifugal brake block mate gear by centrifugal speed-limiting device get rid of block displacement, drive the cone hub being equipped with to move, connect to brake band The disk spring group touching and generating braking moment, while being equipped with is compressed, and the size of decrement is measured, and can determine whether it by calculating Braking distance when specified brake load, the dustproof cover being equipped with, the cover, end cap, shell and dust cover avoid construction use Inside safety device the problems such as ponding, oil accumulation, accumulation sundries, corrosion, reduces the maintenance process of device, protect zero Part ensure that the service life of the device, and the caliper being equipped with can assist the brake fast braking being equipped with, the gas vent being equipped with and logical Air port, for the prolonged maintenance of the device environment of one safety and stability.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model；

Fig. 2 is the gear reduction unit partial profile structure of the utility model；

Fig. 3 is the brake partial structural diagram of the utility model；

In figure: 1- construction safety device；2- spring stack；3- screw；4- shaft coupling；5- support；6- screw rod；7- dress Unload mouth；8- shell；9- gear reduction unit；10- brake；11- bracket；12- the cover；13- end cap；14- copper nut；15- limit Switch；16- shell；17- friction plate；18- bores hub；19- centrifugal brake block；20- gear；21- unloads bolt；22- dustproof cover； 23- positioning bolt；24- disk spring；25- boss bolt；26- dust cover；27- brake disc；28- wheel；29- ventilation opening；30- Brake strip；31- brake fluid hose；32- brake piston；33- gas vent；34- peep hole；35- caliper；36- caliper Bayonet lock.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of construction safety device, including build Construction safety device 1, gear reduction unit 9, brake 10, disk spring 24 and brake piston 32 are built, the construction is used The front end of the inside of safety device 1 is equipped with the gear reduction unit 9, and the rear of the gear reduction unit 9 is fixedly connected Brake 10 is stated, the construction is closely welded with shell 8 with the outer surface of safety device 1, the upper surface of the shell 8 Side that is central and being located at the spring stack 2 is provided with loading hatch 7, and the surface of the loading hatch 7 is connected with shaft coupling 4, The tail portion of the shaft coupling 4 is fixed with support 5, runs through between the shaft coupling 4 and the support 5 and is connected with screw rod 6, described to build It builds construction and is placed with bracket 11 with the whole bottom of safety device 1, the whole outer surface close installation of the gear reduction unit 9 has outer Shell 16, the inner portion of the gear reduction unit 9 are connected with unloading bolt 21, and the top of the unloading bolt 21 is provided with The side of the cover 12, the unloading bolt 21 is fixed with positioning bolt 23, and the top of the positioning bolt 23 is provided with dustproof cover 22, the upper surface of the cover 12 and the dustproof cover 22, which is agreed with, end cap 13, and the side activity of the positioning bolt 23 is connected to The disk spring 24 is connected with copper nut 14, the copper spiral shell between the disk spring 24 and the positioning bolt 23 The top of mother 14 is fixedly connected with limit switches 15, and the inner wall large area of the gear reduction unit 9 is fixed with friction plate 17, described The tail portion of gear reduction unit 9 is connected with gear 20 by bearing, and the front of the brake 10 is fixedly installed boss bolt 25, institute The head movement for stating brake 10 is connected with dust cover 26, and the bottom of the boss bolt 25 is embedded in the surface of wheel 28, described The top of brake disc 27 is fixedly installed caliper bayonet lock 36, is fixedly connected with caliper between the two calipers bayonet lock 36 35, the brake fluid hose 31 rabbeted inside the brake 10 penetrates the tail portion of the brake 10.

Further, the inside of the construction safety device 1 and penetrate the shell 8 upper surface insertion setting There is spring stack 2, the top of the spring stack 2 is fixedly connected with screw 3, and screw 3 has consolidated spring stack 2, avoids spring stack 2 and exists Torsional deformation under the action of gravity or external force.

Further, the axis surrounding of the gear reduction unit 9 is surrounded with cone hub 18, and the center opening of the cone hub 18 connects Be connected to centrifugal brake block 19, when the speed of service of objective of defense downlink reaches the movement speed of calibration, centrifugal brake block 19 from Core type speed-limiting device gets rid of block displacement, and band mantle drum moves to brake band, contacts and generate braking moment.

Further, the central core position of the brake 10 is connected with brake disc 27, the brake disc 27 Side surface surrounding is provided with ventilation opening 29, for the prolonged maintenance of the device environment of one safety and stability.

Further, the inside of the caliper 35 and it is located at the upper surface of the brake disc 27 and is closely welded with braking and rubs Pad 30, the side of the brake strip 30 are provided with peep hole 34, and caliper can assist the brake fast braking being equipped with.

Further, the top of the brake fluid hose 31 is fixedly connected with the brake piston 32, the caliper 35 It is provided with gas vent 33 between the brake piston 32, for the prolonged maintenance of the brake ring of one safety and stability Border.

Working principle: firstly, whole building construction to be placed in the centre of bracket 11, starting limig switch with safety device 15, it opens loading hatch 7 and checks whether the gear reduction unit 9 of internal setting and brake 10 connect correctly, agree with loading hatch 7 simultaneously It is fixedly connected with screwing 3 at the top of spring stack, is allowed to just penetrate the aperture on 8 surface of shell, then tie down screw 6 fixes Support 5 installs shaft coupling 4 in the other end of support 5, when the speed of service of objective of defense downlink reaches the movement speed of calibration When, centrifugal speed-limiting device is got rid of block displacement, braking by 19 mate gear 20 of centrifugal brake block being equipped with inside gear reduction unit 9 Brake fluid in liquid hose 31 provides power for brake, and band mantle hub 18 moves to brake band, contacts and generate braking moment, The immense pressure of caliper 35 and caliper bayonet lock 36 in buffer-braking on wheel 28 between internal structure, ventilation opening 29 are beaten always It opens, a large amount of exhaust gas in place and cooling is dissipated when braking for brake 10, brake disc 27 transmits motor pattern, while the dish-shaped bullet being equipped with Spring 24 is compressed, and the size of decrement is measured, and be can determine whether braking distance when its specified brake load by calculating, is passed through observation Hole 34 it can be seen that when device braking internal mechanism operation, after end of braking, open brake piston 32 and gas vent 33, discharge A large amount of wastes that device braking generates, can also successively open the cover 12, end cap 13, dustproof cover 22, dust cover 26 is to construction With being cleaned inside safety device, ponding inside construction safety device, oil accumulation, accumulation sundries, corrosion etc. is avoided to ask Topic reduces the maintenance process of device, protects part, guarantees the service life of the device.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims

1. a kind of construction safety device, including construction safety device (1), gear reduction unit (9), brake (10), disk spring (24) and brake piston (32), it is characterised in that: the inside of construction safety device (1) Front end is equipped with the gear reduction unit (9), and the top of construction safety device (1) is equipped with spring stack (2), described The rear of gear reduction unit (9) is fixedly connected with the brake (10), and the outside of the brake (10) is equipped with brake disc (27), the construction is closely welded with shell (8) with the outer surface of safety device (1), the upper surface of the shell (8) Side that is central and being located at the spring stack (2) is provided with loading hatch (7), is connected with connection right above the loading hatch (7) The tail portion of axis device (4), the shaft coupling (4) is fixed with support (5), through company between the shaft coupling (4) and the support (5) It is connected to screw rod (6), the construction is placed with bracket (11) with the bottom of safety device (1) entirety, the gear reduction unit (9) Whole outer surface close installation have shell (16), the inner portion of the gear reduction unit (9) is connected with unloading bolt (21), it is provided with the cover (12) above the unloading bolt (21), is fixed with positioning spiral shell beside the unloading bolt (21) Bolt (23) is provided with dustproof cover (22) above the positioning bolt (23), the cover (12) and the dustproof cover (22) Upper surface, which is agreed with, to be had end cap (13), and the side activity of the positioning bolt (23) is connected to the disk spring (24), the dish It is connected between spring (24) and the positioning bolt (23) copper nut (14), the top of the copper nut (14) is fixed to be connected It is connected to limit switch (15), the inner wall large area of the gear reduction unit (9) is fixed with friction plate (17), the gear reduction unit (9) tail portion is connected with gear (20) by bearing, and the front of the brake (10) is fixedly installed boss bolt (25), described The head movement of brake (10) is connected with dust cover (26), and the bottom of the boss bolt (25) is embedded in the table of wheel (28) Face is fixedly installed caliper bayonet lock (36) above the brake disc (27), and the inside of the caliper bayonet lock (36) is fixed It is connected with caliper (35), the brake fluid hose (31) rabbeted inside the brake (10) penetrates the tail of the brake (10) Portion.

2. a kind of construction safety device according to claim 1, it is characterised in that: the construction security protection The inside of device (1) and the upper surface for penetrating the shell (8), which are embedded in, to be provided with spring stack (2), the top of the spring stack (2) It is fixedly connected with screw (3).

3. a kind of construction safety device according to claim 1, it is characterised in that: the gear reduction unit (9) Axis surrounding be surrounded with cone hub (18), it is described cone hub (18) center opening be connected with centrifugal brake block (19).

4. a kind of construction safety device according to claim 1, it is characterised in that: in the brake (10) Centre core part is connected with brake disc (27), and the side surface surrounding of the brake disc (27) is provided with ventilation opening (29).

5. a kind of construction safety device according to claim 1, it is characterised in that: the caliper (35) it is interior Side and be located at the brake disc (27) upper surface be closely welded with brake strip (30), the one of the brake strip (30) Side is provided with peep hole (34).

6. a kind of construction safety device according to claim 1, it is characterised in that: the brake fluid hose (31) Top be fixedly connected with the brake piston (32), be provided with deflation between the caliper (35) and the brake piston (32) Mouth (33).