CN216669233U - Climb frame and prevent test system that falls - Google Patents

Abstract

The utility model relates to a climbing frame anti-falling test system which comprises an upper lifting point support, a lower lifting point support and a unhooking device arranged on the lower lifting point support, wherein the upper lifting point support is connected with the lower lifting point support through a connecting rod; the electric crane is connected between the upper hoisting point support and the lower hoisting point support through the traction assembly, and the upper hoisting point support and/or the lower hoisting point support are/is in cantilever connection with the traction assembly; the traction assembly is connected with the lower hoisting point bracket through a unhooking device; the unhooking device comprises a hook main body, a hook unloading body and an unlocking assembly, wherein the hook main body is movably connected with the hook unloading body, and the unlocking assembly is arranged on the hook main body; when the unlocking assembly is in a locking state, the unlocking assembly acts between the hook main body and the hook unloading body, so that the hook main body is matched with the hook unloading body to be hung on the lower lifting point support; when the unlocking assembly is in an unlocking state, the hook unloading body is separated from the unlocking assembly, and the lower lifting point support is separated from the unhooking device in a unhooking mode. The anti-falling test system for the climbing frame effectively avoids the phenomena of friction or blocking and the like of the traction assembly, and has reliable and stable unhooking performance.

Description

Climb frame and prevent test system that falls

Technical Field

The utility model relates to a building climbing frame, in particular to a climbing frame falling prevention test system.

Background

The climbing frame needs to be strictly tested before being put into use, the anti-falling test is an extremely important item, and the situation that the climbing frame loses weight and falls suddenly needs to be simulated in the test process, so that the anti-falling test system can be produced at the right moment. In the traditional anti-falling test system, a chain connected with a climbing frame is close to the climbing frame, so that friction or blocking is easily generated to influence the test, and even accidents can occur. In addition, the detacher in the traditional anti-falling test system has the problems of poor reliability and the like, such as: chinese patent document CN214885386U discloses a climbing frame detacher, and specifically discloses: the hook comprises a hanging seat, a hook, a shackle, a steel wire rope and a nylon rope, wherein one end of the hook is hinged with the hanging seat and is provided with the nylon rope, the other end of the hook is hinged with the shackle, the shackle is connected with the steel wire rope, and the nylon rope controls the shackle by controlling a clamping plate of the hook; the lifting seat comprises two screw rods, two lifting plates and two nuts, the two ends of each lifting plate are connected with each other through the screw rods and the nuts respectively, the screw rod at one end is connected with a hook of the electric hoist, and the screw rod at the other end is connected with the hook; the couple includes the couple board, the cardboard, the extension spring, the bolt, the plain washer, the both sides middle part of couple board is connected with the cardboard respectively through the bolt, the top of this cardboard is connected with the extension spring through the bolt, the bottom touches with the couple board and forms the restriction chamber, the extension spring articulates with the top of couple board, the cardboard respectively with the couple board, the junction of extension spring sets up the plain washer, through the couple board, the cardboard, the cooperation of extension spring is used, break out through control and simulate wire rope snap-off's sight, test anti-falling device's effect. The detacher is easy to be automatically detached and has poor reliability.

Therefore, further improvements are needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provide a climbing frame anti-falling test system which effectively avoids the phenomena of friction or blocking and the like of a traction assembly and has reliable and stable unhooking performance.

The purpose of the utility model is realized as follows:

a climbing frame falling prevention test system comprises an upper lifting point support arranged at a high position, a lower lifting point support arranged at a low position and a unhooking device arranged on the lower lifting point support; the electric crane is connected between the upper hoisting point support and the lower hoisting point support through a traction assembly, and the upper hoisting point support and/or the lower hoisting point support are/is in cantilever connection with the traction assembly; the traction assembly is connected with the lower hoisting point bracket through the unhooking device; the unhooking device comprises a hook main body, a hook unloading body and an unlocking assembly, wherein the hook main body is movably connected with the hook unloading body, and the unlocking assembly is arranged on the hook main body; when the unlocking assembly is in a locked state, the unlocking assembly acts between the hook main body and the hook unloading body, so that the hook main body is matched with the hook unloading body to be hung on the lower lifting point support; when the unlocking assembly is in an unlocking state, the hook unloading body is separated from the unlocking assembly, and the lower lifting point support is separated from the unhooking device in a unhooking mode.

One end of the hook main body is connected with the traction assembly, and the other end of the hook main body is hinged with the hook unloading body; when the unlocking assembly is in a locking state, the unlocking assembly acts on the hook unloading body to limit the hook unloading body to move relative to the hook main body, so that the hook main body and the hook unloading body jointly form a hook mechanism with stable structure.

The unlocking assembly comprises a transmission rod and a lock catch arranged on the transmission rod; the transmission rod is hinged to the hook main body; when the unlocking assembly is in a locked state, the lock catch acts on the hook unloading body to limit the hook unloading body to move relative to the hook main body; when the unlocking assembly is in an unlocking state, the transmission rod drives the lock catch to swing relative to the hook main body, so that the lock catch is separated from the hook unloading body.

The hook-detaching body is provided with a locking action part; the lock catch is provided with a lock opening; when the unlocking assembly is in a locking state, the locking action part is matched with the locking notch to limit the hook unloading body to move relative to the hook main body; when the unlocking assembly is in an unlocking state, the locking action part is separated from the locking opening.

The unlocking assembly further comprises an unlocking member; the unlocking component is hinged to the transmission rod; the hook body is provided with a jack, and the unlocking part is provided with a pin inserted into the jack; when the unlocking assembly is in a locking state, the insertion holes and the plug pins are inserted.

A reset elastic piece is arranged between the transmission rod and the lock catch, and the reset elastic piece acts on the lock catch to elastically reset and rotate relative to the transmission rod; when the unlocking assembly is in a locking state, the plug pins are elastically inserted into the insertion holes.

A buffer device is arranged on the upper lifting point bracket; the buffer device comprises a transmission assembly and a buffer elastic piece; one end of the buffering elastic piece acts on the transmission assembly, and the other end of the buffering elastic piece acts on the upper lifting point support; the transmission assembly is connected with the traction assembly.

The transmission assembly comprises a transmission screw rod, a transmission stop block and a connecting seat; the transmission screw is in threaded connection with the transmission stop block; one end of the buffering elastic piece acts on the transmission stop block, and the other end of the buffering elastic piece acts on the upper lifting point support; the transmission screw rod is connected with the traction assembly through the connecting seat.

The upper lifting point support comprises an upper lifting point mounting base, an upper suspension part and an upper reinforcing part; the upper suspension part is transversely arranged on the upper suspension point mounting base; the upper reinforcing part is arranged between the upper hanging point mounting base and the upper hanging part so as to increase the stress strength of the upper hanging part.

The lower hoisting point bracket comprises a lower hoisting point mounting base and a lower suspension part; the lower suspension parts are vertically arranged on the lower suspension point mounting base, two lower suspension parts are arranged in a bilateral symmetry mode, and a suspension shaft is arranged between the two lower suspension parts.

The utility model has the following beneficial effects:

according to the structural characteristics of the climbing frame, the upper and lower hoisting point brackets adopt an overhanging type stress structure; in the climbing process of the climbing frame, the upper and lower hoisting point brackets are simultaneously stressed, and the electric crane transmits the stress through a traction assembly (such as a chain and the like) to lift the whole climbing frame; the upper and lower hoisting point supports in this embodiment are of overhanging type, and can keep a certain horizontal distance between the stressed traction assembly and the frame body, and can effectively avoid the phenomena of friction or blocking caused by the traction assembly approaching too close to the frame body, and further avoid the occurrence of related accidents. In addition, the unhooking device comprises a hook main body and a hook unloading body, and the hook main body and the hook unloading body are switched into different states through an unlocking assembly; under the locking state, the hook main body and the hook unloading body jointly form a stable hook mechanism, and can be effectively connected with the lower lifting point support; in the unlocking state, the hook mechanism between the hook main body and the hook unloading body is invalid, so that the climbing frame simulates a weightlessness state to achieve the purpose of testing; the unhooking device is reliable and stable in performance, convenient to operate and capable of effectively avoiding misoperation.

Drawings

Fig. 1 is a schematic view of a climbing frame falling prevention test system according to an embodiment of the present invention.

Fig. 2 is a cross-sectional view showing a locked state of the unhooking device in an embodiment of the present invention.

Fig. 3 is a cross-sectional view illustrating an unlocking process of the unhooking device in an embodiment of the present invention.

Fig. 4 is a sectional view showing an unlocked state of the unhooking device in an embodiment of the present invention.

Fig. 5 is a perspective view of an upper suspension point support in an embodiment of the present invention.

FIG. 6 is a front view of an upper suspension point support in an embodiment of the present invention.

FIG. 7 is a top view of an upper suspension point support in an embodiment of the present invention.

FIG. 8 is a left side view of an upper suspension point support in an embodiment of the utility model.

Fig. 9 is a perspective view of a lower suspension point support in an embodiment of the present invention.

FIG. 10 is a front view of a lower suspension point support in an embodiment of the utility model.

FIG. 11 is a rear view of a lower suspension point support in an embodiment of the utility model.

FIG. 12 is a top view of a lower suspension point support in an embodiment of the utility model.

FIG. 13 is a left side view of a lower suspension point support in accordance with an embodiment of the present invention.

Detailed Description

The utility model is further described with reference to the following figures and examples.

Referring to fig. 1 to 13, the building scaffold according to the embodiment includes a climbing frame, an electric crane 11 for driving the climbing frame to ascend and descend, and a climbing frame falling prevention test system for assisting in testing falling prevention performance of the climbing frame; the climbing frame falling prevention test system comprises an upper lifting point support arranged at the high position of a building scaffold, a lower lifting point support arranged at the low position of the building scaffold and a unhooking device arranged on the lower lifting point support, wherein the upper lifting point support corresponds to the lower lifting point support up and down; the electric crane 11 is connected between the upper lifting point support and the lower lifting point support through the traction assembly 9 (the preferred chain of the traction assembly 9 in the embodiment) and is respectively connected with the traction assembly 9 in an overhanging way, and the traction assembly 9 is connected in an overhanging way, so that a certain horizontal distance is kept between the traction assembly 9 and a frame body (a building scaffold), the phenomena of friction or blockage and the like caused by the fact that the traction assembly is too close to the frame body can be effectively avoided, and further related accidents are avoided; one end of the traction assembly 9 is connected with the lower hoisting point bracket through a unhooking device, and the other end of the traction assembly is connected with an electric crane 11 after being wound by the upper hoisting point bracket; the unhooking device comprises a hook main body 12, a hook unloading body 18 and an unlocking assembly, wherein the hook main body 12 is movably connected with the hook unloading body 18, the unlocking assembly is arranged on the hook main body 12, and a user can control the state between the hook main body 12 and the hook unloading body 18 through the unlocking assembly; when the unlocking assembly is in a locking state, the unlocking assembly acts between the hook main body 12 and the hook unloading body 18, so that the hook main body 12 and the hook unloading body 18 are mutually and fixedly matched to be stably hung on the lower lifting point support, and the electric crane 11 is ensured to effectively drive the climbing frame to lift; when the unlocking assembly is in an unlocking state, the hook unloading body 18 is separated from the unlocking assembly, and the lower lifting point support is separated from the unhooking device in a unhooking way, so that the climbing frame can simulate a weightlessness state, and the purpose of testing is achieved.

Furthermore, the top end of the hook main body 12 is connected with the traction component 9, the bottom end of the hook main body is hinged with the hook unloading body 18, and the hook unloading body 18 can automatically rotate relative to the hook main body 12 under the action of no external force; when the unlocking assembly is in a locking state, the unlocking assembly acts on the hook unloading body 18 to limit the hook unloading body 18 to move relative to the hook main body 12, so that the hook main body 12 and the hook unloading body 18 jointly form a stable hook mechanism, and the upper lifting point support is hung between the hook main body 12 and the hook unloading body 18. Specifically, in this embodiment, the unhooking device receives an upward pulling force, and in a locked state, the hook main body and the hook unloading body jointly form a hook mechanism with an upward opening, so that the lower lifting point support and the unhooking device are effectively connected.

Further, the unlocking assembly comprises a transmission rod 21 and a lock catch 20 fixedly arranged at one end of the transmission rod 21; the middle part of the transmission rod 21 is hinged on the hook main body 12, and the lock catch 20 swings along with the swinging of the transmission rod 21; when the unlocking assembly is in a locked state, the lock catch 20 stably acts on the hook release body 18 to limit the hook release body 18 from rotating relative to the hook main body 12 to cause failure of a hook mechanism; when the unlocking assembly is in an unlocking state, a user drives the lock catch 20 to swing relative to the hook main body 12 through the transmission rod 21, so that the lock catch 20 is separated from the hook unloading body 18, the hook mechanism fails, the hook unloading body 18 rotates downwards relative to the hook main body 12, the lower lifting point support is separated from the unhooking device, and the climbing frame enters a weightless falling state.

Further, a hinge point a is formed between the hook main body 12 and the hook detaching body 18, and a locking action part 1801 is arranged at the end part of the hook detaching body 18 far away from the hinge point a; the lock catch 20 is provided with a lock notch 2001; when the unlocking assembly is in the locked state, the locking action part 1801 is matched with the locking notch 2001, specifically, the locking action part 1801 is at least partially inserted into the locking notch 2001, and the inner side wall of the locking notch 2001 is in interference fit with the locking action part 1801 so as to limit the movement of the hook unloading body 18 relative to the hook main body 12; when the unlocking assembly is in the unlocked state, the user drives the latch 20 to swing relative to the hook body 12, so that the locking action portion 1801 is disengaged from the locking notch 2001.

Further, the unlocking assembly also comprises an unlocking member 24; the unlocking component 24 is hinged at the other end of the transmission rod 21; the side part of the hook main body 12 is provided with an insertion hole 1201, and one end of the unlocking part 24 is provided with a plug pin 2401 inserted into the insertion hole 1201; when the unlocking assembly is in a locking state, the insertion holes 1201 are inserted into the insertion pins 2401; through the arrangement of the insertion holes 1201 and the insertion pins 2401 which are mutually inserted, the transmission rod 21 is kept at a locking position under the action of no external force, so that the unlocking assembly is prevented from being unlocked by misoperation, and the normal use of the climbing frame is ensured.

Furthermore, a reset elastic element 22 is arranged between the transmission rod 21 and the lock catch 20, and the reset elastic element 22 acts on the lock catch 20 to elastically reset and rotate relative to the transmission rod 21; when the unlocking assembly is in a locked state, the plug pins 2401 are elastically inserted into the plug holes 1201, so that the plug holes 1201 are stably inserted into the plug pins 2401; in order to facilitate the user to operate the unlocking member 24 to unlock, the unlocking member 24 is provided with a pull ring 23.

Furthermore, a buffer device is arranged on the upper lifting point bracket; the buffer device comprises a transmission component and a buffer elastic part 3; one end of the buffering elastic part 3 acts on the transmission assembly, and the other end of the buffering elastic part acts on the upper lifting point bracket; the transmission assembly is connected with the traction assembly 9.

Further, the transmission assembly comprises a transmission screw rod 1, a transmission stop block 2 and a connecting seat 7; the transmission screw rod 1 vertically penetrates through the upper lifting point support, and the transmission screw rod 1 is in threaded connection with the transmission stop block 2; the buffering elastic part 3 is a spiral column spring, the top end of the buffering elastic part 3 acts on the bottom of the transmission stop block 2, and the bottom end of the buffering elastic part 3 acts on the top of the upper hoisting point support, so that the climbing support is buffered when losing weight and falling; the drive screw 1 is connected with a traction assembly 9 through a connecting seat 7, and the traction assembly 9 winds through the connecting seat 7.

Further, the upper suspension point bracket includes an upper suspension point mounting base, an upper suspension member 4, and an upper reinforcement member 5; the upper suspension part 4 is transversely arranged at the top of the upper suspension point mounting base; the upper reinforcing member 5 is arranged between the upper suspension point mounting base and the upper suspension member 4 to increase the stress strength of the upper suspension member 4; the upper lifting point mounting base consists of an upper cross beam part 6, two upper connecting pieces 8 and an upper reinforcing part 10, wherein the upper cross beam part 6 is arranged at intervals up and down, and the upper connecting pieces 8 are connected between the upper cross beam part 6 and the lower cross beam part 6; the upper reinforcement member 10 is provided on the upper cross member 6 to enhance the connecting performance.

Further, the lower suspension point support comprises a lower suspension point mounting base and a lower suspension member 16; the lower hanging parts 16 are vertically arranged on the lower hanging point mounting base, and are symmetrically arranged in two left and right directions, a hanging shaft 19 is arranged between the two lower hanging parts 16, the unhooking device is hooked on the hanging shaft 19, and a lower reinforcing part 25 is arranged between the lower hanging point mounting base and the lower hanging parts 16 so as to increase the strength of the lower hanging parts 16; the lower hoisting point mounting base consists of two lower cross beam parts 13, two lower connecting pieces 14, a connecting bottom plate 15, reinforcing rods 26 and lower reinforcing parts 17, wherein the lower cross beam parts 13 are arranged at intervals up and down, the lower connecting pieces 14 and the reinforcing rods 26 are connected between the upper lower cross beam part 13 and the lower cross beam part 13, the connecting bottom plate 15 is fixedly connected with the lower cross beam parts 13, and the two lower suspension parts 16 are fixedly arranged on the connecting bottom plate 15; the lower reinforcement member 17 is provided on the lower cross member 13 to enhance the connection performance.

The foregoing is a preferred embodiment of the present invention, and the basic principles, principal features and advantages of the utility model are shown and described. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, and the utility model is intended to be protected by the following claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (10)

1. The utility model provides a climb a test system that prevents falling which characterized in that: comprises an upper hoisting point bracket arranged at a high position, a lower hoisting point bracket arranged at a low position and a unhooking device arranged on the lower hoisting point bracket; the electric crane (11) is connected between the upper hoisting point support and the lower hoisting point support through a traction assembly (9), and the upper hoisting point support and/or the lower hoisting point support are/is in cantilever connection with the traction assembly (9); the traction assembly (9) is connected with the lower hoisting point bracket through the unhooking device; the unhooking device comprises a hook main body (12), a hook unloading body (18) and an unlocking assembly, wherein the hook main body (12) is movably connected with the hook unloading body (18), and the unlocking assembly is arranged on the hook main body (12); when the unlocking assembly is in a locked state, the unlocking assembly acts between the hook main body (12) and the hook unloading body (18), so that the hook main body (12) is matched with the hook unloading body (18) to be hung on the lower lifting point support; when the unlocking assembly is in an unlocking state, the hook unloading body (18) is separated from the unlocking assembly, and the lower lifting point support is separated from the unhooking device in a unhooking mode.

2. The system of claim 1, wherein: one end of the hook main body (12) is connected with the traction component (9), and the other end of the hook main body is hinged with the hook unloading body (18); when the unlocking assembly is in a locked state, the unlocking assembly acts on the hook unloading body (18) to limit the hook unloading body (18) to move relative to the hook main body (12), so that the hook main body (12) and the hook unloading body (18) jointly form a stable-structure hook mechanism.

3. The system of claim 2, wherein: the unlocking assembly comprises a transmission rod (21) and a lock catch (20) arranged on the transmission rod (21); the transmission rod (21) is hinged to the hook main body (12); when the unlocking assembly is in a locked state, the lock catch (20) acts on the hook unloading body (18) to limit the hook unloading body (18) to move relative to the hook main body (12); when the unlocking assembly is in an unlocking state, the transmission rod (21) drives the lock catch (20) to swing relative to the hook main body (12), so that the lock catch (20) is separated from the hook unloading body (18).

4. The system of claim 3, wherein: a locking action part (1801) is arranged on the hook unloading body (18); the lock catch (20) is provided with a lock opening (2001); when the unlocking assembly is in a locked state, the locking action part (1801) is matched with the locking notch (2001) to limit the hook unloading body (18) to move relative to the hook main body (12); when the unlocking assembly is in an unlocked state, the locking action part (1801) is disengaged from the locking notch (2001).

5. The system of claim 3, wherein: the unlocking assembly further comprises an unlocking member (24); the unlocking component (24) is hinged to the transmission rod (21); a jack (1201) is arranged on the hook main body (12), and a pin (2401) inserted into the jack (1201) is arranged on the unlocking part (24); when the unlocking assembly is in a locking state, the insertion hole (1201) is inserted into the plug pin (2401).

6. The system of claim 5, wherein: a reset elastic piece (22) is arranged between the transmission rod (21) and the lock catch (20), and the reset elastic piece (22) acts on the lock catch (20) to elastically reset and rotate relative to the transmission rod (21); when the unlocking assembly is in a locking state, the plug pins (2401) are elastically inserted into the insertion holes (1201).

7. The system of claim 1, wherein: a buffer device is arranged on the upper lifting point bracket; the buffer device comprises a transmission assembly and a buffer elastic piece (3); one end of the buffering elastic part (3) acts on the transmission assembly, and the other end of the buffering elastic part acts on the upper lifting point support; the transmission assembly is connected with the traction assembly (9).

8. The system of claim 7, wherein the system is configured to: the transmission assembly comprises a transmission screw rod (1), a transmission stop block (2) and a connecting seat (7); the transmission screw rod (1) is in threaded connection with the transmission stop block (2); one end of the buffering elastic piece (3) acts on the transmission stop block (2), and the other end of the buffering elastic piece acts on the upper lifting point support; the transmission screw rod (1) is connected with the traction assembly (9) through the connecting seat (7).

9. The system of any one of claims 1 to 8, wherein: the upper lifting point support comprises an upper lifting point mounting base, an upper suspension part (4) and an upper reinforcing part (5); the upper suspension part (4) is transversely arranged on the upper suspension point mounting base; the upper reinforcing part (5) is arranged between the upper hanging point mounting base and the upper hanging part (4) so as to increase the stress strength of the upper hanging part (4).

10. The system of any one of claims 1 to 8, wherein: the lower suspension point bracket comprises a lower suspension point mounting base and a lower suspension member (16); the lower suspension parts (16) are vertically arranged on the lower suspension point mounting base, are arranged in a bilateral symmetry mode, and are provided with a suspension shaft (19) between the two lower suspension parts (16).

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