CN215803100U

CN215803100U - Novel it prevents weighing down to climb frame device and climb frame

Info

Publication number: CN215803100U
Application number: CN202122212733.XU
Authority: CN
Inventors: 秦武; 秦世华; 张琦
Original assignee: Hunan Jusha Construction Engineering Co ltd
Current assignee: Hunan Jusha Construction Engineering Co ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-02-11
Anticipated expiration: 2031-09-14

Abstract

The utility model discloses a novel anti-falling device of a climbing frame and the climbing frame, comprising a base, a mandril, a driving wheel and a driven wheel; the ejector rod, the driving wheel and the driven wheel are coaxially arranged, and the ejector rod, the driving wheel and the driven wheel are relatively and rotatably connected with the base through a rotating shaft; the outer circumference of the driving wheel is provided with tooth-shaped bulges at intervals, and the tooth-shaped bulges are matched with the gaps of the guide rails; the driven wheel is matched with the driving wheel to form a blocking mechanism; the outer wall of the driven wheel is connected with the ejector rod, the guide rail vertically moves downwards to drive the driving wheel to rotate, when the downward movement speed reaches a critical value, the blocking mechanism has the effect of driving the driven wheel to rotate, and the end part of the ejector rod is driven by the driven wheel to move towards the guide rail. The novel anti-falling device for the climbing frame has good anti-falling effect.

Description

Novel it prevents weighing down to climb frame device and climb frame

Technical Field

The utility model relates to the technical field of buildings, in particular to a novel anti-falling device for a climbing frame and the climbing frame.

Background

With the continuous innovation of the building technology and the gradual maturity of the technology, the outer protection scaffold gradually adopts an all-steel attached lifting scaffold to replace the original I-steel overhanging scaffold in the construction of high-rise and super high-rise buildings. The all-steel attached lifting scaffold (hereinafter referred to as a climbing frame) is suitable for high-rise and ultra-high-rise buildings with frame or shear wall structures, particularly buildings with complex structures, can adapt to the construction of complex shapes such as story height change, circular arcs, corners, balconies, raising boards, raising edges and the like, does not interfere with vertical transportation equipment, can be erected for one time and used for multiple times in a lifting way, and has good economic and social benefits.

The climbing frame is mainly composed of a frame body structure, an attachment support, an anti-tilting and anti-falling device, a lifting mechanism, a control device and the like.

SUMMERY OF THE UTILITY MODEL

The utility model provides a novel anti-falling device for a climbing frame and the climbing frame.

The technical scheme adopted by the utility model is as follows:

a novel anti-falling device for a climbing frame comprises a base, a mandril, a driving wheel and a driven wheel; the ejector rod, the driving wheel and the driven wheel are coaxially arranged, and the ejector rod, the driving wheel and the driven wheel are relatively and rotatably connected with the base through a rotating shaft; the outer circumference of the driving wheel is provided with tooth-shaped bulges at intervals, and the tooth-shaped bulges are matched with the gaps of the guide rails;

the driven wheel is matched with the driving wheel to form a blocking mechanism; the outer wall of the driven wheel is connected with the ejector rod, the guide rail vertically moves downwards to drive the driving wheel to rotate, when the downward movement speed reaches a critical value, the blocking mechanism has the effect of driving the driven wheel to rotate, and the end part of the ejector rod is driven by the driven wheel to move close to the guide rail until the end part of the ejector rod enters a gap of the guide rail.

The utility model provides an implementation mode, wherein the driving wheel comprises a body, the body is provided with the tooth-shaped protrusions, a plurality of first grooves are formed in the position different from the tooth-shaped protrusions along the outer circumference of the body, clamping blocks are arranged in the first grooves, a plurality of second grooves are formed in the inner circumference of the driven wheel, and the clamping blocks enter the second grooves under the action of centrifugal force under the rapid rotation of the driving wheel, so that the driving wheel drives the driven wheel to rotate.

The utility model provides an implementation mode, wherein one end of a fixture block completely enters the second groove under the action of centrifugal force and is abutted against the top of the second groove, and the other end of the fixture block is also positioned in the first groove.

The utility model provides an implementation mode, and the second groove is positioned on the same semi-circumference inner wall of the driven wheel.

The utility model provides an embodiment, and the fixture block is selected from a spherical object or a cylindrical object.

The utility model provides an implementation mode, wherein the second groove is also provided with a guide part, so that the fixture block can enter the second groove to realize the linkage of the driving wheel and the driven wheel in the rotation process of the driven wheel.

According to the embodiment of the utility model, the central axis of the first groove is inclined, so that the fixture block can conveniently enter the second groove in the rotating process.

The utility model provides an implementation mode, wherein the base is U-shaped, and the ejector rod, the driving wheel and the driven wheel are arranged in a U-shaped cavity.

The utility model provides an implementation mode, wherein the first grooves are symmetrically arranged on two sides of the driving wheel body, the clamping blocks are arranged in the first grooves in a matched mode, and the driving wheel is also provided with driven wheels which are matched with the driving wheel in the same number.

The application still provides a frame of climbing, it has adopted this application arbitrary to climb the frame novel it prevents weighing down device to climb.

The utility model has the beneficial effects that: the anti-falling device of the novel climbing frame is characterized in that the top rod is connected with the driven wheel, the purpose of timely blocking can be realized, the safety is enhanced, and meanwhile, the anti-falling device of the climbing frame is simple in structure and novel in design.

Drawings

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

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

FIG. 3 is a schematic view of the connection of the carrier rod and the driven wheel according to the present invention;

FIG. 4 is a longitudinal sectional view of the ejector rod and the driven wheel of the present invention;

FIG. 5 is a schematic view of a driving wheel structure according to the present invention;

FIG. 6 is a longitudinal sectional view of the driving wheel of the present invention;

FIG. 7 is a schematic view of the longitudinal cross-sectional structure of the present invention.

Reference numerals:

the device comprises a base 1, a mandril 2, a driving wheel 3, a tooth-shaped bulge 31, a first groove 32, a fixture block 33, a driven wheel 4, a second groove 41, a guide part 42, a rotating shaft 5 and a guide rail 6.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of the embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an orientation or a positional relationship based on the orientation or the positional relationship shown in the drawings, or an orientation or a positional relationship which is usually placed when the products of the present invention are used, the description is only for convenience and simplicity, and the indication or the suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, the present invention should not be construed as being limited. Furthermore, the appearances of the terms first, second, third, etc. in this specification are only used for distinguishing between similar elements and not necessarily for describing a sequential or chronological order.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present invention, "a plurality" represents at least 2.

In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Example 1

As shown in the figure, the novel anti-falling device for the climbing frame comprises a base 1, a mandril 2, a driving wheel 3 and a driven wheel 4; the ejector rod 2, the driving wheel 3 and the driven wheel 4 are coaxially arranged, and the ejector rod 2, the driving wheel 3 and the driven wheel 4 are relatively and rotatably connected with the base 1 through a rotating shaft 5; the outer circumference of the driving wheel 3 is provided with toothed projections 31 at intervals, and the toothed projections 31 are matched with the gaps of the guide rails 6; the driven wheel 4 is matched with the driving wheel 3 to form a blocking mechanism; the outer wall of the driven wheel 4 is connected with the ejector rod 2, the guide rail 6 vertically moves downwards to drive the driving wheel 3 to rotate, when the downward movement speed reaches a critical value, the blocking mechanism has the effect of driving the driven wheel 4 to rotate, and the end part of the ejector rod 2 is driven by the driven wheel 4 to approach the guide rail 6 until the end part enters the gap of the guide rail 6. The driving wheel 3 and the driven wheel 4 are not in direct contact, a certain assembly gap exists between the driving wheel 3 and the driven wheel 4, the gap can be large or small, but the driven wheel 4 is still and cannot cause the ejector rod 2 to rotate when falling at a low speed. The toothed projection 31 has a circular shape, for example in the form of a bicycle gear, and the guide 6 can be understood as a linear chain which drives the gear to rotate.

Example 2

As shown in the figure, the novel anti-falling device for the climbing frame comprises a base 1, a mandril 2, a driving wheel 3 and a driven wheel 4; the ejector rod 2, the driving wheel 3 and the driven wheel 4 are coaxially arranged, and the ejector rod 2, the driving wheel 3 and the driven wheel 4 are relatively and rotatably connected with the base 1 through a rotating shaft 5; the outer circumference of the driving wheel 3 is provided with toothed projections 31 at intervals, and the toothed projections 31 are matched with the gaps of the guide rails 6; the driven wheel 4 is matched with the driving wheel 3 to form a blocking mechanism; the outer wall of the driven wheel 4 is connected with the ejector rod 2, the guide rail 6 vertically moves downwards to drive the driving wheel 3 to rotate, when the downward movement speed reaches a critical value, the blocking mechanism has the effect of driving the driven wheel 4 to rotate, the end part of the ejector rod 2 is driven by the driven wheel 4 to approach the guide rail 6, and the end part of the ejector rod 2 is blocked in the gap of the guide rail 6;

the driving wheel 3 comprises a body, the tooth-shaped protrusion 31 is arranged on the body, a plurality of first grooves 32 are formed in the position, different from the tooth-shaped protrusion 31, of the body along the outer periphery of the body, fixture blocks 33 are arranged in the first grooves 32, a plurality of second grooves 41 are formed in the inner periphery of the driven wheel 4, and under the rapid rotation of the driving wheel 3, the fixture blocks 33 enter the second grooves 41 under the centrifugal force effect, so that the driving wheel 3 drives the driven wheel 4 to rotate. The driving wheel 3 and the driven wheel 4 are matched in a convex-concave mode, the first grooves 32 and the second grooves 41 are as many as possible, the blocking stroke is convenient to shorten, and the scheme that the number of the second grooves 41 is 4 is shown in the figure.

As shown in the figure, when one end of the latch 33 completely enters the second groove 41 under the action of centrifugal force and abuts against the top of the second groove 41, the other end of the latch 33 is located in the first groove 32, and a part of the latch 33 still remains in the first groove 32 after completely entering the second groove 41, and the first groove 32 and the second groove 41 are connected through the latch 33, so that the driving wheel 3 and the driven wheel 4 keep linked, so long as the rotation speed of the driving wheel 3 exceeds a critical value, a part of the latch 33 can enter the second groove 41, and the latch 33 completely abuts against the top of the second groove 41 along with the increase of the speed and does not continue to advance.

As shown, the latch 33 is selected from spherical objects, such as balls, which are selected to be more easily inserted into the second groove 41 due to centrifugal force because they are centrosymmetric and roll. It is also possible to select the latch 33 in the form of a cylinder whose surface is as smooth as possible, which also facilitates entry into the second recess 41. Alternatively, a cylindrical object such as a roller can be rolled to be more easily inserted into the second groove 41.

Example 3

the driving wheel 3 comprises a body, the body is provided with the tooth-shaped protrusion 31, a plurality of first grooves 32 are formed along the outer circumference of the body at the position different from the tooth-shaped protrusion 31, fixture blocks 33 are arranged in the first grooves 32, a plurality of second grooves 41 are formed in the inner circumference of the driven wheel 4, and the fixture blocks 33 enter the second grooves 41 under the centrifugal force action under the quick rotation of the driving wheel 3, so that the driving wheel 3 drives the driven wheel 4 to rotate;

the second groove 41 is further provided with a guiding portion 42, so that the latch 33 can enter the second groove 41 to realize the linkage of the driving wheel 3 and the driven wheel 4 during the rotation of the driven wheel 4. Under the centrifugal force, the latch 33 tends to move in the tangential direction, and therefore, considering the general force-receiving direction of the latch 33, an inclined guide groove is provided, so that the latch 33 can more easily enter the second recess 41. The structure of the guiding portion 42 can be varied, and the present application provides a chute, but is not limited to the structure shown in the drawings, as long as the latch 33 can enter the second groove 41 more quickly.

As shown in the figures, similarly, under the action of centrifugal force, the stress direction is considered comprehensively, the central axis of the first groove 32 is inclined, so that the latch 33 can enter the second groove 41 in the rotating process, and the inclination direction is consistent with the comprehensive stress direction.

As shown, the second groove 41 is disposed on the inner wall of the semi-circle on the same side of the driven wheel 4, and is specifically selected to be located on the upper semi-circle.

Example 4

the base 1 is the U type, ejector pin 2, action wheel 3 and follow driving wheel 4 locate the U type intracavity, and U type structure is the symmetrical design, and the atress is even, can improve the device's life and keep the device stability and the reliability of operation.

As shown in the figure, the first grooves 32 are symmetrically arranged on two sides of the main body of the driving wheel 3, the clamping blocks 33 are arranged in the first grooves 32, and the driving wheel 3 is provided with the same number of driven wheels 4. The figure shows that the number of the driven wheels 4 is 2, or one, when two, the driving wheel 3 is designed in a symmetrical structure, the dentate bulge 31 is positioned at the central ring of the driving wheel 3, and two ends of the dentate bulge 31 are respectively matched with the driven wheels 4.

Example 5

A climbing frame adopts the novel anti-falling device of the climbing frame in any one of embodiments 1 to 4, and further comprises the technical scheme of any technical characteristic combination disclosed by the application and the technical scheme combined with the known technology.

The embodiments of the present application also include any non-conflicting technical feature combination scheme.

The principle is as follows: as shown in the figure, the guide rail 6 vertically ascends slowly at a constant speed to drive the driving wheel 3 to rotate along with the time, the clamping blocks 33 all fall to the lowest point of the first groove 32 under the action of self gravity, and at the moment, the driven wheel 4 is kept in a static state all the time. The top rod 2 abuts against the wall surface of the guide rail 6 due to the dead weight, the driven wheel 4 is linked with the top rod 2, and at the moment, if the guide rail 6 falls down, the top rod 2 abuts against the wall surface of the guide rail 6 due to the dead weight and is immediately blocked when meeting the gap of the guide rail 6, so that the guide rail 6 is prevented from continuously falling down.

The guide rail 6 vertically and rapidly falls down to drive the driving wheel 3 to rotate anticlockwise, the driving wheel 3 rotates at an increased speed, the clamping block 33 extends the first groove 32 to move outwards under the action of centrifugal force, and is tightly attached to the inner wall of the second groove 41 to drive the driven wheel 4 to rotate anticlockwise, the ejector rod 2 is fixedly connected with the driven wheel 4, the rotation of the driven wheel 4 is accelerated, the ejector rod 2 is also closed to the guide rail 6 at a higher speed, the guide rail 6 is instantly blocked when a gap is met, and the guide rail 6 is prevented from continuing falling down.

The two conditions exist in the application, firstly, the ejector rod does not reach the position with a gap of the guide rail, the driving wheel 3, the fixture block 33, the driven wheel 4 and the ejector rod 2 form a triangular stress relation, and the main purpose is that the teeth (the tooth-shaped bulges 31) of the driving wheel are blocked, namely the driving wheel can not rotate at the moment; secondly, the ejector rod 2 is in the position of the gap, and the blocking is mainly the stress of the ejector rod at the moment.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a novel climb a safety hook device which characterized in that: comprises a base, a mandril, a driving wheel and a driven wheel; the ejector rod, the driving wheel and the driven wheel are coaxially arranged, and the ejector rod, the driving wheel and the driven wheel are relatively and rotatably connected with the base through a rotating shaft; the outer circumference of the driving wheel is provided with tooth-shaped bulges at intervals, and the tooth-shaped bulges are matched with the gaps of the guide rails;

the driven wheel is matched with the driving wheel to form a blocking mechanism; the outer wall of the driven wheel is connected with the ejector rod, the guide rail vertically moves downwards to drive the driving wheel to rotate, when the downward movement speed reaches a critical value, the blocking mechanism has the effect of driving the driven wheel to rotate, and the end part of the ejector rod is driven by the driven wheel to move towards the guide rail.

2. The novel anti-falling device for the climbing frame of claim 1, which is characterized in that: the driving wheel comprises a body, the body is provided with the tooth-shaped bulge, a plurality of first grooves are formed in the periphery of the body, the tooth-shaped bulge is different from the tooth-shaped bulge, clamping blocks are arranged in the first grooves, a plurality of second grooves are formed in the inner circumference of the driven wheel, and one end of each clamping block enters the corresponding second groove under the condition that the driving wheel rotates rapidly, so that the driving wheel drives the driven wheel to rotate.

3. The novel anti-falling device for the climbing frame of claim 2, is characterized in that: the second groove is positioned on the same semi-circumference inner wall of the driven wheel.

4. The novel anti-falling device for the climbing frame of claim 2, is characterized in that: when one end of the fixture block enters the second groove and is abutted against the top of the second groove, the other end of the fixture block is also positioned in the first groove.

5. The novel anti-falling device for the climbing frame of claim 2, is characterized in that: the fixture block is selected from a spherical object or a cylindrical object.

6. The novel anti-falling device for the climbing frame of claim 2, is characterized in that: the second groove is also provided with a guide part.

7. The novel anti-falling device for the climbing frame of claim 2, is characterized in that: the central axis of the first groove is inclined.

8. The novel anti-falling device for the climbing frame of claim 2, is characterized in that: the base is U-shaped, and ejector pin, action wheel and follow driving wheel are located the U die cavity.

9. The novel anti-falling device for the climbing frame of claim 2, is characterized in that: the two sides of the driving wheel body are symmetrically provided with the first grooves, the clamping blocks are arranged in the first grooves in a matched mode, and the number of the driven wheels is the same as that of the driving wheels.

10. The utility model provides a climb frame which characterized in that: the climbing frame adopts the novel anti-falling device of the climbing frame as claimed in any one of claims 1 to 9.