CN214615378U

CN214615378U - A trigger formula safety hook for inserted lift scaffold

Info

Publication number: CN214615378U
Application number: CN202120216930.6U
Authority: CN
Inventors: 陈明
Original assignee: Guangxi Guhua Construction Technology Co ltd
Current assignee: Guangxi Guhua Construction Technology Co ltd
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2021-11-05
Anticipated expiration: 2031-01-26

Abstract

The utility model provides a triggering type falling protector for an attached lifting scaffold, the attached lifting scaffold is provided with a guide rail and a falling prevention crosspiece, the triggering type falling protector comprises a falling prevention mechanism, and the falling prevention mechanism comprises a falling prevention bracket, a limit baffle and a gravity swing block; the middle part of the anti-falling bracket is provided with a cavity, the gravity swing block is arranged in the cavity of the anti-falling bracket through a first pin shaft, and the limit baffle is also arranged in the cavity; the gravity swing block comprises a first pin shaft, a second pin shaft, a first spring, a second spring and a second spring, wherein the first pin shaft is used as a boundary, the gravity of the front end of the gravity swing block is smaller than the weight of the rear end of the gravity swing block, a recessed portion is arranged on the lower side of the middle of the gravity swing block, an auxiliary tongue block is arranged at the recessed portion, the auxiliary tongue block is arranged on the first pin shaft, and the auxiliary tongue block is also arranged on the first pin shaft; under the anti-falling state, the front end of the gravity swinging block clamps one anti-falling crosspiece of the guide rail, and the rear end of the gravity swinging block abuts against the bottom surface of the limiting baffle. The triggering type falling protector has higher sensitivity and smaller braking distance, and is suitable for complicated and severe construction environments.

Description

A trigger formula safety hook for inserted lift scaffold

Technical Field

The utility model relates to an attached lifting scaffold field of building trade especially relates to a trigger formula safety hook for attached lifting scaffold.

Background

Attached lifting scaffold equipment is the novel scaffold technique that this century epoch early rapidly developed, has important influence to the construction technology progress. It becomes the low place operation with the eminence operation, becomes the inside operation of support body with unsettled operation, has apparent low carbon nature, high-tech content and characteristics such as more economic, safer, more convenient. The attached lifting scaffold device is generally mounted on the outer wall of the building through an attached wall support.

The attached lifting scaffold mainly comprises an attached lifting scaffold frame body structure, an attached wall support, an anti-tilting device, an anti-falling device, a lifting mechanism, a control device and the like. The anti-falling device is the last safety guarantee in the use process of the attached lifting scaffold, not only influences the popularization and application of the attached lifting scaffold, but also concerns the life safety of operators.

The anti-falling device of the attached lifting scaffold used in China at present can be divided into a swing pin type, a steel lifting rod type, a rotating (star) wheel type or a wedge type and the like, and the swing pin type anti-falling device is easy to damage and lose efficacy after being used for a long time, so that accidents are easy to occur; the factors such as dust, oil stain and corrosion in construction have great influence on the braking action of the falling protector.

SUMMERY OF THE UTILITY MODEL

In view of the above, embodiments of the present invention provide a triggered fall arrester for an attached lifting scaffold to obviate or ameliorate one or more of the disadvantages of the prior art.

The technical scheme of the utility model as follows:

the attached lifting scaffold is provided with guide rails and anti-falling crosspieces perpendicular to the guide rails, the triggering type anti-falling device comprises an anti-falling mechanism, and the anti-falling mechanism comprises an anti-falling bracket, a limiting baffle and a gravity swing block; the middle part of the anti-falling bracket is provided with a cavity, the gravity swing block is arranged in the cavity of the anti-falling bracket through a first pin shaft, the limiting baffle is also arranged in the cavity, and the position of the limiting baffle is higher than that of the first pin shaft and is arranged on one side, far away from the guide rail, of the first pin shaft; use first round pin axle is the boundary, the gravity of gravity pendulum piece front end is less than rear end weight, the middle part downside of gravity pendulum piece has the depressed part, supplementary tongue piece is installed to depressed part department, supplementary tongue piece is also installed first round pin epaxial, supplementary tongue piece includes the tongue and supports to lean on the portion. In an initial state, the front end of the gravity pendulum block or the tongue part of the auxiliary tongue block is configured to extend into the space between two adjacent anti-falling crosspieces of the guide rail; under the state of preventing weighing down, the front end of gravity pendulum piece blocks one of them of guide rail and prevents weighing down the crosspiece, the rear end of gravity pendulum piece supports limit baffle's bottom surface to prevent that attached lift scaffold from weighing down.

In some embodiments, the pendulum mass has an upper face for abutting against the safety rail and the limit stop of the guide rail in the safety state, and a sloped face for being impacted by the safety rail when the guide rail is raised so that the pendulum mass swings.

In some embodiments, the recessed portion in the middle of the gravity pendulum block has a pushing surface perpendicular to the upper end surface, and the pushing surface is used for abutting against the end surface of the abutting portion of the auxiliary tongue block, so that the auxiliary tongue block pushes the gravity pendulum block to swing.

In some embodiments, the tongue of the auxiliary tongue piece has a triangular cross section, and the abutting portion has an end surface for abutting against the pushing surface of the gravity pendulum piece.

In some embodiments, the tongue of the auxiliary tongue block is provided with a protruding part facing the concave part of the gravity pendulum block, and the protruding part is used for being additionally provided with a spring, so that the auxiliary tongue block can be timely reset to the position below the gravity pendulum block after being lifted upwards and can be kept in a triggerable state.

In some embodiments, a spring is provided between the convex portion of the auxiliary tongue piece and the upper end of the concave portion of the gravity pendulum piece.

In some embodiments, an auxiliary baffle is further arranged at the cavity of the anti-falling bracket, and the auxiliary baffle is positioned in front of and relatively above the limit baffle.

In some embodiments, the triggered falling protector further comprises guide wheel mechanisms for allowing guide rails to slide up and down, wherein the guide rail mechanisms are arranged at two sides of the front end of the falling protection bracket; each guide wheel mechanism comprises a guide wheel bracket and a plurality of guide wheels arranged on the guide wheel bracket, and the guide wheels encircle the guide rail from the front side and the rear side as well as the outer side of the guide rail.

In some embodiments, each idler bracket is connected to the fall arrest bracket by two second pins.

In some embodiments, the fall arrest brace comprises an upper panel, a floor, and two risers; the upper panel is positioned at the top of the anti-falling bracket, the bottom plate is positioned at the bottom of the anti-falling bracket, and the two vertical plates are vertically arranged between the upper panel and the bottom plate; the vertical plate is provided with a pin hole for inserting the first pin shaft; the vertical plate is provided with a first slotted hole for inserting a limiting baffle; the upper end of the vertical plate is provided with an ear part extending out of the upper panel, and a connecting hole is formed in the middle of the ear part.

In some embodiments, the triggered fall arrestor further comprises a jacking mechanism comprising a jacking seat, a connecting column, and a jacking frame; the connecting column is arranged between the top support seat and the top support frame and connects the top support seat and the top support frame; the bottom of the jacking seat is provided with a connecting hole position of an ear part extending from the upper panel through a pin shaft mounting vertical plate.

According to the utility model discloses a triggering formula safety hook for inserted lift scaffold in the embodiment, obtainable beneficial effect includes at least:

the utility model discloses trigger formula safety hook is equipped with gravity pendulum piece and supplementary tongue piece. The gravity swing block is used as a main stress and bearing part of the falling protector, and the auxiliary tongue block is used as a trigger. The triggered safety brake has higher sensitivity and smaller braking distance.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

It will be appreciated by those skilled in the art that the objects and advantages that can be achieved with the present invention are not limited to the details set forth above, and that these and other objects that can be achieved with the present invention will be more clearly understood from the following detailed description.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the invention. For convenience in illustrating and describing some portions of the present invention, corresponding parts of the drawings may be exaggerated, i.e., may be larger, relative to other components in an exemplary device actually manufactured according to the present invention. In the drawings:

fig. 1 is a schematic perspective view of a triggering type safety hook according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a top view direction of a triggering type safety hook according to an embodiment of the present invention.

Fig. 3 is a schematic structural view of a section B-B of fig. 2.

Fig. 4 is a schematic structural view of the guide rail and the anti-falling crosspiece of the attached lifting scaffold according to an embodiment of the present invention.

Fig. 5 is a schematic structural view of a gravity pendulum block of a triggering type safety hook according to an embodiment of the present invention in an initial state.

Fig. 6 is a schematic structural view of a gravity pendulum block of a triggered fall arrester according to an embodiment of the present invention in a fall prevention state.

Description of reference numerals:

1: the anti-falling bracket 2: and (3) a limiting baffle plate: gravity pendulum block 4: the guide wheel mechanism 5: top bracing mechanism

9: guide rail 11: the upper panel 12: bottom plate 13: the vertical plate 22: auxiliary baffle

31: first pin shaft 41: idler bracket 42: guide wheels 43: second pin shaft

32: auxiliary tongue piece 51: the jack-up seat 52: connecting column 53: the top bracket 91: anti-falling crosspiece

321: tongue 322: the abutting portion 323: raised part

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following embodiments and accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.

It should also be noted that, in order to avoid obscuring the invention with unnecessary details, only the structures and/or process steps that are closely related to the solution according to the invention are shown in the drawings, while other details that are not relevant to the invention are omitted.

It should be emphasized that the term "comprises/comprising" when used herein, is taken to specify the presence of stated features, elements, steps or components, but does not preclude the presence or addition of one or more other features, elements, steps or components.

It is also noted herein that the term "coupled," if not specifically stated, may refer herein to not only a direct connection, but also an indirect connection in which an intermediate is present.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. In the drawings, the same reference numerals denote the same or similar parts, or the same or similar steps.

The utility model provides a trigger formula safety hook for inserted lift scaffold to strengthen the sensitivity of safety hook and reduce braking distance, and be applicable to abominable construction environment.

This triggered safety hook is applicable to adhesion type lift scaffold, as shown in fig. 4, adhesion type lift scaffold has guide rail 9 and prevents weighing down crosspiece 91 with a plurality of guide rail 9 vertically, and triggered safety hook includes the mechanism of preventing weighing down, prevents that the mechanism of preventing weighing down includes that weighing down support 1, limit baffle 2 and gravity pendulum piece 3 etc..

In some embodiments, the fall arrest bracket 1 serves as a base frame for mounting a limit stop 2, a gravity pendulum 3, etc., and may also be used for mounting other structures, such as a runner mechanism for connection with an attached lifting scaffold or an attached wall support for connection with an exterior wall of a building.

In some embodiments, as shown in fig. 1 and 3, the middle part of the fall protection bracket 1 is provided with a cavity, the gravity pendulum block 3 is installed in the cavity of the fall protection bracket 1 through a first pin 31, the limit baffle 2 is also installed in the cavity, the position of the limit baffle 2 is higher than that of the first pin 31, and the limit baffle is arranged on one side of the first pin 31 far away from the guide rail. In this embodiment, the gravity swing block 3 swings around the first pin 31, and according to its different positions, it can lock the guide rail of the scaffold to prevent it from falling.

In some embodiments, the first pin 31 is used as a boundary, the weight of the front end of the gravity pendulum block 3 is greater than the weight of the rear end, the lower side of the middle part of the gravity pendulum block 3 has a recess, an auxiliary tongue block 32 is installed at the recess, the auxiliary tongue block 32 is also installed on the first pin 31, and the auxiliary tongue block 32 includes a tongue 321 and an abutting part 322. The front and back are referred to herein as the front of the gravity swing block 3 in the direction toward the guide rail, and the back is the reverse.

In the initial state, as shown in fig. 5, the front end of the gravity pendulum block 3 or the tongue 321 of the auxiliary tongue 32 is configured to extend between two adjacent safety rails 91 of the guide rail 9. In the embodiment of fig. 5, the tongue 321 of the auxiliary tongue piece 32 extends into the guide rail 9 between two adjacent safety rails 91.

In the anti-falling state, as shown in fig. 6, the front end of the gravity pendulum block 3 clamps one of the anti-falling crosspieces 91 of the guide rail 9, and the rear end of the gravity pendulum block 3 abuts against the bottom surface of the limit baffle 2, so that the gravity pendulum block 3 cannot be pressed down to rotate due to the falling of the guide rail 9.

In the normal ascending or (low-speed) descending process of the attached lifting scaffold, the front end of the gravity swinging block or the tongue of the auxiliary tongue block swings along with the collision of the anti-falling crosspiece of the guide rail, and the swinging period of the gravity swinging block is matched with the lifting speed of the attached lifting scaffold, so that the gravity swinging block cannot block the normal ascending or descending of the attached lifting scaffold. In the process of falling rapidly of the gravity swing block, the swing of the gravity swing block cannot return in time, the front end of the gravity swing block or the tongue of the auxiliary tongue block enables the front end of the gravity swing block to bear and receive (the lower part of) the anti-falling crosspiece along with the impact of the anti-falling crosspiece of the guide rail, and the rear end of the gravity swing block is blocked by the limiting baffle, so that the attached lifting scaffold cannot continuously fall, and the anti-falling function is achieved.

In the embodiment on the market, the gravity pendulum block is used as the main stress and bearing part of the falling protector, and the auxiliary tongue block is used as a trigger. This trigger formula safety hook's gravity pendulum piece is equipped with supplementary tongue piece, when the guide rail rises the in-process and takes place proruption nature fast tenesmus, is in the circumstances of the state of raising at gravity pendulum piece whole under, and the tongue of the supplementary tongue piece that is in gravity pendulum piece bottom touches the horizontal pole of preventing weighing down of guide rail at first, drives the gravity pendulum piece of the state of raising and resets the horizontality to withstand the guide rail horizontal pole, prevent the tenesmus. The triggering type falling protector has higher sensitivity and smaller braking distance, and is suitable for severe construction environments.

The utility model discloses triggering formula safety hook adopts great gravity pendulum piece of width and limit baffle, and for balance staff formula safety hook, its mechanical strength is big, and job stabilization is reliable.

In some embodiments, the pendulum mass 3 has an upper face for resting against the safety rail 91 of the guide rail and the limit stop 2 in the safety state, and a beveled face for being impacted by the safety rail 91 when the guide rail is raised, so that the pendulum mass swings. The front end of the gravity swing block 3 can be in a triangle structure. As shown in fig. 6, in the fall prevention state, the upper end surface of the gravity pendulum block 3 is substantially horizontal, and the inclined end surface thereof is located at the lower portion in front of the upper end surface.

In some embodiments, the middle of the gravity pendulum block 3 has a pushing surface perpendicular to the upper end surface, and the pushing surface is used for interfering with the end surface of the abutting portion 322 of the auxiliary tongue block 32, so that the auxiliary tongue block 32 can push the gravity pendulum block 3 to swing. Preferably, the cross section of the tongue 321 of the auxiliary tongue piece 32 is triangular, and the abutting part 322 has an end surface for interfering with the pushing surface of the gravity pendulum piece 3. As shown in fig. 5, in the initial state, the pushing surface of the recessed portion of the gravity pendulum block 3 is a position that is abutted against the end surface of the abutting portion 322 of the auxiliary tongue block 32, and when the anti-falling crosspiece 91 of the guide rail 9 pulls the auxiliary tongue block 32 downward, the end surface of the abutting portion 322 of the auxiliary tongue block 32 pushes the gravity pendulum block 3 to swing downward through the pushing surface, thereby intercepting the downward movement of the guide rail 9.

In some embodiments, the tongue 321 of the auxiliary tongue piece 32 has a protrusion 323 facing the recess of the gravity pendulum piece 3, and the protrusion 323 is used for installing a spring, so that the auxiliary tongue piece 32 can be timely reset to the position below the gravity pendulum piece 3 after being lifted up, and the triggerable state is maintained. Further, a spring is provided between the convex portion 323 of the auxiliary tongue piece 32 and the upper end of the concave portion of the gravity pendulum piece 3. The spring can be in an initial state when the abutting part 322 of the auxiliary tongue block 32 is tightly attached to the pushing surface of the gravity swing block 3; after the auxiliary tongue block 32 is lifted, the spring is compressed, so that the auxiliary tongue block 32 has the tendency of being pushed to the initial position degree, can be timely reset to the position close to the pushing surface of the gravity swing block 3, can keep a triggerable state, and especially can ensure the normal work of the falling protector under the condition of severe construction site environment, thereby greatly enhancing the reliability of the falling protector.

In some embodiments, as shown in fig. 3, an auxiliary baffle 22 is further disposed at the cavity of the fall protection bracket 1, the auxiliary baffle 22 is located in front of and relatively above the limiting baffle 2, and the auxiliary baffle 22 is mainly used for limiting the initial state of the gravity swing block 3, preventing the deflection angle from being too large, and preventing the front end of the gravity swing block from being separated from the guide rail and the fall protection crosspiece by a large distance, thereby reducing the time required for the rotation of the fall protection bracket.

As shown in fig. 2, the triggered fall arrester further comprises a guide wheel mechanism 4 for the guide rail to slide up and down, and the guide wheel mechanism 4 is arranged at two sides of the front end of the fall protection bracket 1; each of the guide wheel mechanisms 4 includes a guide wheel bracket 41 and a plurality of guide wheels 32 attached to the guide wheel bracket 41, and the plurality of guide wheels 42 embrace the guide rail from the front and rear sides and the outer side thereof. In other words, each guide wheel mechanism is provided with 3 guide wheels 32, and each guide wheel mechanism respectively surrounds one vertical rod of the guide rail 9 from three sides to form a semi-encircling structure, so that the lifting scaffold is prevented from overturning.

As shown in fig. 1 and 2, each idler bracket 41 is connected to the safety brake support 1 via two second pivot pins 43. The double-pin shaft connecting mode can guarantee certain joint strength, is also a quick-release structure, extracts one of the two pin shafts, and the guide wheel mechanism 4 can be opened in a rotating mode towards two sides, so that the triggering type falling protector is conveniently separated from the guide rail, and the quick-release and quick-release functions are realized.

As shown in FIG. 1, the anti-falling bracket comprises an upper panel 11, a bottom plate 12 and two vertical plates 13; the upper panel 11 is positioned at the top of the anti-falling bracket 1, the bottom plate 12 is positioned at the bottom of the anti-falling bracket, and the two vertical plates 13 are vertically arranged between the upper panel 12 and the bottom plate 13. The vertical plate 13 is provided with a pin hole for inserting the first pin shaft; the vertical plate 13 is provided with a first slotted hole for inserting the limit baffle 2; the upper end of the vertical plate 13 is provided with an ear part extending out of the upper panel 11, and the middle position of the ear part is provided with a connecting hole. In this embodiment, the fall arrest carriage may also include a middle panel disposed between the upper panel 11 and the base panel 12, primarily for connecting the idler mechanism 4. The connection mode between each plate can adopt a plug-in structure. In this embodiment, this prevent weighing down support preparation adopts mortise and tenon picture peg structure in a large number, reduces the condition of welding point, can also promote the holistic rigidity intensity of prevent weighing down support.

As shown in fig. 1, the triggered fall arrester further includes a top bracing mechanism 5, and the top bracing mechanism 5 includes a top bracing seat 51, a connecting column 52 and a top bracing frame 53; the connecting column 52 is arranged between the top support seat 51 and the top support frame 53 and connects the two; the bottom of the top supporting seat 51 is provided with a connecting hole position of an ear part extending from the upper panel 11 through the pin shaft mounting vertical plate 13. The top bracing mechanism is mainly used for bracing the anti-falling crosspiece of the guide rail when the scaffold is static or people works, and unloading the load of the scaffold.

The top middle position of the top support seat 51 is provided with a connecting hole, the connecting column 52 can be a double-end stud, and both ends of the connecting column are provided with external threads. The bottom connecting hole of the top bracing frame 53, the top of the top bracing seat 51 and the bottom of the connecting column 52, the bottom of the top bracing frame 53 and the top of the connecting column 52 can be fixed through nuts, and the distance between the top bracing seat 51 and the top bracing frame 53 can be conveniently adjusted through threaded connection. The top frame 53 may have two concave supports, such as a first concave support and a second concave support, facing the rail to support the fall arrest rails of the rail at different spacings or angles.

(1) the utility model discloses trigger formula safety hook is equipped with gravity pendulum piece and supplementary tongue piece. The gravity swing block is used as a main stress and bearing part of the falling protector, and the auxiliary tongue block is used as a trigger. The triggered safety brake has higher sensitivity and smaller braking distance.

(2) The utility model discloses trigger formula safety hook's supplementary tongue piece can install the spring additional, is applicable to complicated abominable construction environment.

(3) The utility model discloses triggering formula safety hook is equipped with auxiliary baffle, avoids the front end of gravity pendulum piece and guide rail and prevents that the crosspiece is separated by great distance to reduce its time of gyration.

(4) The utility model discloses guide pulley mechanism of triggering formula safety hook adopts the double pin hub connection, has realized the function of quick detach fast-assembling.

(5) The utility model discloses triggering formula safety hook prevent weighing down support preparation adopts mortise and tenon picture peg structure in a large number, under the condition that reduces the welding point, can also promote and prevent weighing down the holistic rigidity intensity of support.

(6) The utility model discloses trigger formula safety hook is equipped with the shore mechanism, can carry out the off-load to its load when the static or manned operation of scaffold frame.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and it will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A triggering type anti-falling device for an attached lifting scaffold, the attached lifting scaffold is provided with guide rails and anti-falling crosspieces perpendicular to the guide rails, and the triggering type anti-falling device is characterized by comprising an anti-falling mechanism, wherein the anti-falling mechanism comprises an anti-falling bracket, a limit baffle and a gravity swinging block;

the middle part of the anti-falling bracket is provided with a cavity, the gravity swing block is arranged in the cavity of the anti-falling bracket through a first pin shaft, the limiting baffle is also arranged in the cavity, and the position of the limiting baffle is higher than that of the first pin shaft and is arranged on one side, far away from the guide rail, of the first pin shaft;

the first pin shaft is used as a boundary, the gravity of the front end of the gravity swing block is smaller than the weight of the rear end of the gravity swing block, a concave part is arranged on the lower side of the middle part of the gravity swing block, an auxiliary tongue block is arranged at the concave part and is also arranged on the first pin shaft, and the auxiliary tongue block comprises a tongue part and a leaning part;

in an initial state, the front end of the gravity pendulum block or the tongue part of the auxiliary tongue block is configured to extend into the space between two adjacent anti-falling crosspieces of the guide rail;

under the state of preventing weighing down, the front end of gravity pendulum piece blocks one of them of guide rail and prevents weighing down the crosspiece, the rear end of gravity pendulum piece supports limit baffle's bottom surface to prevent that attached lift scaffold from weighing down.

2. The triggered fall arrester of claim 1 wherein the gravity pendulum has an upper end for abutting against a fall arrest ledge and a limit stop of the rail in the fall arrest state, and a sloped end for being impacted by the fall arrest ledge when the rail is raised to cause the gravity pendulum to swing.

3. The triggered fall arrester of claim 2 wherein the depression in the middle of the gravity pendulum block has a thrust surface perpendicular to the upper end surface for interfering with the end surface of the abutment of the auxiliary tongue block so that the auxiliary tongue block urges the gravity pendulum block to swing.

4. The triggered fall arrester of claim 3 wherein the tongue of the auxiliary tongue is triangular in cross-section and the abutment has an end surface for interference with the thrust surface of the gravity pendulum.

5. The triggered fall arrestor of claim 4, wherein the tongue of the auxiliary tongue piece has a protrusion facing the depression of the gravity pendulum piece, and the protrusion is used for installing a spring so that the auxiliary tongue piece can be timely restored to the position below the gravity pendulum piece after being lifted up and can be triggered.

6. The triggered fall arrester of claim 2 wherein the fall arrester housing further comprises an auxiliary shield positioned forwardly and upwardly of the limit shield.

7. The triggered fall arrester of claim 1 further comprising guide roller mechanisms for sliding the guide rail up and down, the guide roller mechanisms being disposed on opposite sides of the front end of the fall arrest carriage;

each guide wheel mechanism comprises a guide wheel bracket and a plurality of guide wheels arranged on the guide wheel bracket, and the guide wheels encircle the guide rail from the front side and the rear side as well as the outer side of the guide rail.

8. The triggered fall arrester of claim 7 wherein each idler bracket is connected to the fall arrest bracket by two second pins.

9. The triggered fall arrestor of claim 8, wherein the fall arrest bracket comprises an upper panel, a floor, and two risers;

the upper panel is positioned at the top of the anti-falling bracket, the bottom plate is positioned at the bottom of the anti-falling bracket, and the two vertical plates are vertically arranged between the upper panel and the bottom plate;

the vertical plate is provided with a pin hole for inserting the first pin shaft; the vertical plate is provided with a first slotted hole for inserting a limiting baffle; the upper end of the vertical plate is provided with an ear part extending out of the upper panel, and a connecting hole is formed in the middle of the ear part.

10. The triggered fall arrestor of claim 9 further comprising a jacking mechanism including a jacking seat, a connecting post, and a jacking frame; the connecting column is arranged between the top support seat and the top support frame and connects the top support seat and the top support frame;

the bottom of the jacking seat is provided with a connecting hole position of an ear part extending from the upper panel through a pin shaft mounting vertical plate.