CN218708389U - Elevator overload detection device - Google Patents

Abstract

The utility model provides an elevator overload detection device, which comprises an elevator pit, wherein the periphery of the bottom of an inner cavity of the elevator pit is fixedly connected with an installation block, the inner cavity of the installation block is in threaded connection with an installation pipe, the bottom of the inner cavity of the installation block is fixedly connected with a damper, and the surface of the damper is movably connected with a first spring; the utility model discloses a set up installation piece and installation pipe, installation piece and installation pipe threaded connection, thereby be convenient for shift out the installation pipe from the inside of installation piece, so that take out and change the first spring on attenuator surface, improve the change efficiency of first spring, thereby prevent that the time overlength of consumption from causing the condition that influences elevator normal use, it can experience when using to have solved the spring and receive the extrusion, deformation and the process that resets, after long-time use, the spring produces deformation easily, need maintain it and change, and the change of spring is comparatively loaded down with trivial details, the change efficiency of spring is influencing elevator normal use's problem.

Description

Elevator overload detection device

Technical Field

The utility model belongs to elevator weighing device field, specifically speaking are elevator overload detection device.

Background

An elevator is a permanent transportation device serving a plurality of specific floors in a building, the elevator car of which runs on at least two rows of rigid rails which are perpendicular to the horizontal plane or have an inclination angle of less than 15 degrees with the vertical line.

According to application number 202220504541.8, an elevator overload detection device is disclosed. The elevator overload detection device comprises a base plate, wherein a mounting frame is fixedly mounted at the top of the base plate, an overload detector body and two first sliding rods are fixedly mounted at the top of the mounting frame, and first springs are sleeved on the two first sliding rods; the lagging, the lagging slip cover is established two on the first slide bar, the top fixed mounting of lagging has the trigger bar, the elevator overload detection device that this contrast case provided has can protect the sense terminal, reduce the advantage of sense terminal damage, fine solution elevator overload to the problem that detecting instrument caused the harm, but the spring can experience when using and receive the extrusion, the process of deformation and reseing, after long-time use, the spring produces deformation easily, need maintain it and change, and the change of spring is comparatively loaded down with trivial details, the change efficiency of spring is influencing the normal use of elevator.

To sum up, consequently the utility model provides an elevator overload detection device to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an elevator overload detection device to solve among the prior art spring can experience when using and receive extrusion, deformation and the process that resets, after long-time use, the spring produces deformation easily, need maintain and change it, and the change of spring is comparatively loaded down with trivial details, and the change efficiency of spring is influencing the problem of elevator normal use.

The utility model provides an elevator overload detection device, includes the elevator hole, equal fixedly connected with installation piece all around of elevator hole inner chamber bottom, the inner chamber threaded connection of installation piece has the installation pipe, the bottom fixedly connected with attenuator of installation piece inner chamber, the surface swing joint of attenuator has first spring, the upper end swing joint of installation pipe inner chamber has the movable block, the top of attenuator and first spring all contacts with the bottom of movable block, the top fixedly connected with activity post of movable block, the top of activity post is run through to the outside of installation pipe, the center department fixedly connected with guard box of elevator hole inner chamber bottom, the bottom fixedly connected with weighing device body of guard box inner chamber, the top of weighing device body is provided with the trigger bar, the top of trigger bar runs through to the outside of guard box.

Preferably, the surface of the installation pipe is provided with a support ring, the periphery of the bottom of the support ring is fixedly connected with a connecting column, and the bottom of the connecting column is fixedly connected with the top of the installation block.

Preferably, the vent has all been seted up to the both sides of guard box, the inner chamber fixedly connected with dust screen of vent, the spacing groove has all been seted up to the both sides in installation tube inner chamber, the inner chamber sliding connection of spacing groove has the stopper, two one side that the stopper is close to mutually all with movable block fixed connection.

Preferably, the top of the movable column is movably connected with a supporting plate through a bearing, and the surface of the supporting plate at the front end is connected with a connecting frame in a sliding manner.

Preferably, the front end both sides of backup pad have all been seted up the fixed slot, the positive fixedly connected with second spring of fixed slot inner chamber.

Preferably, the equal fixedly connected with slider in front end of connecting frame inner chamber both sides, one side of slider extends to the inner chamber of fixed slot to with the inner chamber sliding connection of fixed slot, the rear end and the slider fixed connection of second spring, the rear end the front of backup pad extends to the inner chamber of connecting frame, and with the inner chamber swing joint of connecting frame.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses a set up installation piece and installation pipe, installation piece and installation pipe threaded connection to be convenient for shift out the installation pipe from the inside of installation piece, so that take out and change the first spring on attenuator surface, improve the change efficiency of first spring, thereby because the too loaded down with trivial details time overlength that makes consumption of change mode causes the condition that influences elevator normal use when preventing to change the spring.

2. The utility model discloses a set up attenuator, first spring, movable block and activity post, receive pressure when attenuator and first spring and can produce deformation, and the elasticity that resets can cushion the pressure when the elevator descends to prevent that elevator pressure from leading to the fact the condition of damage weighing device body too big, improve the life of weighing device body.

3. The utility model discloses a set up protecting box, weighing device body and trigger bar, the protecting box is used for protecting the weighing device body, and weighing device body and trigger bar are used for carrying weight to the elevator and detect to the reduction is because of the potential safety hazard that the elevator overloads the existence.

Drawings

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

FIG. 2 is an exploded view of the mounting block and mounting tube of the present invention;

fig. 3 is a schematic plan sectional view of the mounting pipe of the present invention;

FIG. 4 is a schematic view of a plane cross-sectional structure of the protective box of the present invention;

fig. 5 is an enlarged view of a portion a of fig. 1 according to the present invention.

In the figure:

1. an elevator pit; 2. mounting blocks; 3. installing a pipe; 4. a damper; 5. a first spring; 6. a movable block; 7. a movable post; 8. a protective box; 9. a weighing device body; 10. a trigger lever; 11. a support ring; 12. connecting columns; 13. a vent; 14. a limiting groove; 15. a limiting block; 16. a support plate; 17. a connecting frame; 18. fixing grooves; 19. a second spring; 20. a slide block.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1-5, the utility model provides an elevator overload detection device, including elevator hole 1, equal fixedly connected with installation piece 2 all around of elevator hole 1 inner chamber bottom, the inner chamber threaded connection of installation piece 2 has installation pipe 3, the bottom fixedly connected with attenuator 4 of installation piece 2 inner chambers, the surperficial swing joint of attenuator 4 has first spring 5, the upper end swing joint of installation pipe 3 inner chambers has movable block 6, the top of attenuator 4 and first spring 5 all contacts with the bottom of movable block 6, the top fixedly connected with movable column 7 of movable block 6, the outside to installation pipe 3 is run through at the top of movable column 7, the fixedly connected with protecting box 8 of center department of elevator hole 1 inner chamber bottom, the bottom fixedly connected with weighing device body 9 of protecting box 8 inner chamber, the top of weighing device body 9 is provided with trigger bar 10, the top of trigger bar 10 runs through to the outside of protecting box 8.

As an embodiment of the utility model, the surface of installation pipe 3 is provided with support ring 11, the equal fixedly connected with spliced pole 12 all around of support ring 11 bottom, the bottom of spliced pole 12 and the top fixed connection of installation piece 2 through setting up support ring 11 and spliced pole 12, have played the supporting role to installation pipe 3 to improve the stability of installation pipe 3 when using.

As an embodiment of the utility model, vent 13 has all been seted up to the both sides of protective housing 8, vent 13's inner chamber fixedly connected with dust screen, spacing groove 14 has all been seted up to the both sides of 3 inner chambers of installation pipe, spacing groove 14's inner chamber sliding connection has stopper 15, one side that two stoppers 15 are close to mutually all with movable block 6 fixed connection, through setting up vent 13, be used for ventilating and heat dissipation to protective housing 8's inside, through setting up spacing groove 14 and stopper 15, spacing movable block 6's effect has been played.

As an embodiment of the utility model, there is a backup pad 16 at the top of activity post 7 through bearing swing joint, and the sliding surface of front end backup pad 16 is connected with the connection box 17, through setting up backup pad 16 for the area of contact of increase activity post 7 and elevator bottom, through setting up connection box 17, played the effect of connecting two backup pads 16.

As an embodiment of the present invention, the fixing groove 18 has been all opened to the both sides of the front end support plate 16, and the positive fixedly connected with second spring 19 of the inner cavity of the fixing groove 18 is used for fixing the second spring 19 and providing the movable space for the slider 20 by setting the fixing groove 18, and is used for resetting the slider 20 by setting the second spring 19, thereby driving the connecting frame 17 to move to the surface of the rear end support plate 16.

As an embodiment of the utility model, the equal fixedly connected with slider 20 of front end of carriage 17 inner chamber both sides, one side of slider 20 extends to the inner chamber of fixed slot 18 to with the inner chamber sliding connection of fixed slot 18, the rear end and the slider 20 fixed connection of second spring 19, the front of rear end backup pad 16 extends to the inner chamber of carriage 17, and with the inner chamber swing joint of carriage 17, through setting up slider 20, be used for driving carriage 17 and reset, thereby make carriage 17 remove the surface of rear end backup pad 16.

The specific working principle is as follows:

when the elevator descends, the elevator extrudes the support plate 16 and enables the support plate 16 to move downwards, the support plate 16 drives the movable column 7 to move downwards in the installation tube 3, the movable column 7 drives the movable block 6 to move, the movable block 6 can extrude the first spring 5 and the damper 4 and enable the first spring and the damper 4 to deform when moving, at the moment, the reset elastic force of the first spring 5 buffers the elevator, the weighing device body 9 and the trigger rod 10 detect the weight of the elevator, when the first spring 5 needs to be replaced, the connecting frame 17 is firstly moved forwards to remove the connecting frame 17 from the surface of the rear end support plate 16, then any one support plate 16 is rotated to separate the two support plates 16, then the installation tube 3 is rotated to separate the installation tube 3 from the inside of the installation block 2, then the installation tube 3 is taken out, the damaged first spring 5 is taken out after the installation tube 3 is taken out and the replaced first spring 5 is sleeved on the surface of the damper 4, and finally, otherwise, the device is restored, the problem that the spring is extruded, the process of deformation and the replacement of the spring are easy and the replacement of the elevator is influenced by the tedious maintenance efficiency of the elevator, and the elevator is normally used is solved.

The embodiments of the present invention have been presented for purposes of illustration and description, and while embodiments of the invention have been illustrated and described above, it is to be understood that such embodiments are exemplary and are not to be construed as limiting of the present invention, as variations, modifications, substitutions and alterations may be made by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (6)

1. An elevator overload detection device, includes elevator pit (1), its characterized in that: all fixedly connected with installation piece (2) around elevator hole (1) inner chamber bottom, the inner chamber threaded connection of installation piece (2) has installing tube (3), the bottom fixedly connected with attenuator (4) of installation piece (2) inner chamber, the surperficial swing joint of attenuator (4) has first spring (5), the upper end swing joint of installing tube (3) inner chamber has movable block (6), the top of attenuator (4) and first spring (5) all contacts with the bottom of movable block (6), the top fixedly connected with movable column (7) of movable block (6), the outside to installing tube (3) is run through at the top of movable column (7), fixedly connected with protecting box (8) are located at the center of elevator hole (1) inner chamber bottom, the bottom fixedly connected with weighing device body (9) of protecting box (8) inner chamber, the top of weighing device body (9) is provided with trigger bar (10), the outside to protecting box (8) is run through at the top of trigger bar (10).

2. The elevator overload detection apparatus of claim 1, wherein: the surface of installation pipe (3) is provided with support ring (11), equal fixedly connected with spliced pole (12) all around of support ring (11) bottom, the bottom of spliced pole (12) and the top fixed connection of installation piece (2).

3. The elevator overload detection apparatus of claim 1, wherein: vent (13) have all been seted up to the both sides of guard box (8), the inner chamber fixedly connected with dust screen of vent (13), spacing groove (14) have all been seted up to the both sides of installation pipe (3) inner chamber, the inner chamber sliding connection of spacing groove (14) has stopper (15), two one side that stopper (15) are close to mutually all with movable block (6) fixed connection.

4. The elevator overload detecting device according to claim 1, wherein: the top of the movable column (7) is movably connected with a supporting plate (16) through a bearing, and the surface of the supporting plate (16) at the front end is slidably connected with a connecting frame (17).

5. The elevator overload detection apparatus of claim 4, wherein: fixing grooves (18) are formed in two sides of the supporting plate (16) at the front end, and a second spring (19) is fixedly connected to the front face of an inner cavity of each fixing groove (18).

6. The elevator overload detection apparatus of claim 5, wherein: the equal fixedly connected with slider (20) of front end of connecting frame (17) inner chamber both sides, one side of slider (20) extends to the inner chamber of fixed slot (18) to with the inner chamber sliding connection of fixed slot (18), the rear end and slider (20) fixed connection, the rear end the front of backup pad (16) extends to the inner chamber of connecting frame (17) to with the inner chamber swing joint of connecting frame (17).

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