CN215055476U - Platform of unloading - Google Patents

Abstract

The application relates to a discharging platform, which belongs to the technical field of building construction and comprises a platform body, wherein a plurality of guide rails are vertically and fixedly arranged at the opening at the side part of the platform body, a plurality of mounting plates are fixedly arranged outside a building wall along the vertical direction, a plurality of mounting seats are fixedly arranged on the side walls of the mounting plates close to the guide rails, and guide holes for the guide rails to pass through are vertically formed in the mounting seats; each guide rail is fixedly provided with a plurality of bearing rods distributed along the vertical direction, the upper surface of the mounting seat is rotatably connected with an anti-falling seat, the anti-falling seat is fixedly provided with a supporting plate close to the side wall of the guide rail, the circumferential side wall of each bearing rod is tightly pressed on the upper surface of the supporting plate, and the circumferential side wall of each bearing rod is tightly abutted against the side wall of the fixing supporting plate of the anti-falling seat; a driving mechanism for driving the guide rail to vertically lift is arranged between the mounting plate and the guide rail. This application has the effect that improves the security of platform of unloading when using.

Description

Platform of unloading

Technical Field

The application relates to the field of building construction, in particular to an unloading platform.

Background

The unloading platform is a temporary operation platform and an operation frame which are usually erected on a construction site and are generally used for material turnover. The discharging platform is divided into a movable discharging platform, a floor type discharging platform and an overhanging type discharging platform.

The existing Chinese patent with reference to publication number CN209179516U discloses an unloading platform, which comprises a plurality of fixed straight rods, wherein the first ends of the fixed straight rods are adjustably mounted on a floor slab of a building, the second ends of the fixed straight rods extend to the outer vertical surface of the building and are provided with guide holes, the guide holes of the fixed straight rods of a plurality of layers of floor slabs are coaxially arranged to form a vertical guide channel, and each layer of floor slab is provided with at least two fixed straight rods; the guide rail is movably inserted into the guide channel, and a limiting piece for preventing the guide rail from falling is detachably arranged on the guide rail; the first end of the supporting rod can be connected to the guide rail in an upwards-turning manner, a leveling suspender component is connected between the second end of the supporting rod and the guide rail in a telescopic manner, and two ends of the leveling suspender component are respectively hinged to the guide rail and the second end of the supporting rod; finally, the method can be conveniently used when the outer vertical surface of the super high-rise building is an inclined outer vertical surface.

In view of the above related technologies, the inventor thinks that there is a disadvantage that the discharging platform is easy to fall down when in use, resulting in lower safety of the discharging platform.

SUMMERY OF THE UTILITY MODEL

In order to embody the high security of platform of unloading when using, this application provides a platform of unloading.

The application provides a platform of unloading adopts following technical scheme:

a discharging platform comprises a platform body, wherein a plurality of guide rails are vertically and fixedly arranged at the opening at the side of the platform body, a plurality of mounting plates are fixedly arranged outside a building wall along the vertical direction, a plurality of mounting seats are fixedly arranged on the side walls of the mounting plates close to the guide rails, and guide holes for the guide rails to pass through are vertically formed in the mounting seats; each guide rail is fixedly provided with a plurality of bearing rods distributed along the vertical direction, the upper surface of the mounting seat is rotatably connected with an anti-falling seat, the anti-falling seat is fixedly provided with a supporting plate close to the side wall of the guide rail, the circumferential side wall of each bearing rod is tightly pressed on the upper surface of the supporting plate, and the circumferential side wall of each bearing rod is tightly abutted against the side wall of the fixing supporting plate of the anti-falling seat; a driving mechanism for driving the guide rail to vertically lift is arranged between the mounting plate and the guide rail.

Through adopting above-mentioned technical scheme, it makes the layer board keep away from the guide rail to rotate earlier to prevent weighing down the seat, rethread actuating mechanism drives the vertical lift of guide rail in the guiding hole, after the guide rail drives the platform body and removes to construction floor department, it prevents weighing down all seats to rotate, make the layer board stretch into between two adjacent receiving bars, prevent weighing down the lateral wall butt of the fixed layer board of seat on receiving the pole, rethread actuating mechanism makes the guide rail move down a segment distance, make receiving the pole compress tightly at the layer board upper surface, remove actuating mechanism's pulling force to the guide rail, make a plurality of receiving poles of pressing on the layer board support guide rail and platform body, it can enough provide stable support to prevent weighing down seat and layer board to guide rail and platform body, can reduce the possibility that guide rail and platform take place to fall again, and then the security of platform of unloading when using has been improved.

Optionally, the anti-falling seat comprises a rotating seat, a bidirectional screw and a supporting seat, the rotating seat is rotatably connected to the upper surface of the mounting seat, two ends of the bidirectional screw are respectively in threaded connection with the rotating seat and the supporting seat, and the side wall of the supporting seat is fixed with the supporting plate.

Through adopting above-mentioned technical scheme, twist and move two-way screw rod, can make the supporting seat be close to or keep away from the seat of rotating, and then can adjust the layer board and prevent weighing down the distance between the seat axis of rotation, reached the effect that can be applicable to different model guide rails.

Optionally, the supporting seat upper surface is provided with a bearing groove, and when the supporting plate rotates to one side far away from the supporting seat guide rail along the axis of the bidirectional screw rod, the bearing rod is pressed on the bearing groove.

Through adopting above-mentioned technical scheme, if rotate two-way screw rod until supporting seat and rotate the distance between the seat when the biggest, still can't rotate the supporting seat to the receiving rod contact on the guide rail, then can directly follow the axis rotation supporting seat of two-way screw rod for the layer board rotates to one side that the supporting seat deviates from the guide rail, and the receiving groove rotates to the below of receiving rod, and then makes the receiving rod press on the receiving groove, further improvement prevent weighing down the suitability of seat.

Optionally, cavities are formed in opposite side walls in the guide holes, a plurality of guide wheels are horizontally connected in the cavities in a rotating mode, and two sides of the circumferential side wall of the guide rail are abutted to circumferential side walls of different guide wheels.

Through adopting above-mentioned technical scheme for guide rail and leading wheel are line contact, and the guide rail is when going up and down, and the leading wheel rotates, has reduced the resistance that receives when the guide rail goes up and down, and then has improved the stability when the leading wheel goes up and down.

Optionally, the mount pad is the under shed and towards the side opening of guide rail, and the mount pad internal rotation is connected with prevents weighing down the pendulum piece, and the roof has set firmly the limiting plate in the mount pad, and the limiting plate bottom is used for preventing weighing down the upper surface butt that the pendulum piece is located self rotation axis below, and the limiting plate is close to the lateral wall of preventing weighing down the pendulum piece and prevents weighing down the pendulum piece and is located self rotation axis top and be fixed with the extension spring between the upper surface, and when the extension spring was in natural state, it is in the tilt state to prevent weighing down the pendulum piece, and the top of preventing weighing down the pendulum piece is located between the adjacent bolster.

By adopting the technical scheme, when the driving mechanism drives the guide rail to move upwards, the bearing rod firstly contacts with the top end of the lower surface of the anti-falling swing block when moving upwards and pushes the anti-falling swing block to rotate, the tension spring is compressed, and when the bearing rod continues to move upwards and is separated from the anti-falling swing block, the resilience force of the tension spring enables the anti-falling swing block to rotate and reset; the anti-falling swing block is pulled to rotate out of the space between the adjacent bearing rods, so that the guide rail can descend; when the extension spring is in the natural state, if the guide rail descends, the receiving rod can press down the top of the upper surface of the anti-falling swing block, so that the anti-falling swing block rotates and is tightly abutted to the limiting plate, the guide rail stops descending, the anti-falling effect is achieved, and the safety of the discharging platform in use is further improved.

Optionally, the lower surface of the anti-falling swing block is rotatably connected with a trigger swing block, the rotation axis of the trigger swing block is parallel to the rotation axis of the anti-falling swing block, and the trigger swing block is bent from the rotation axis of the trigger swing block; when the tension spring is in a natural state, the anti-falling swinging block is positioned on one side of the bearing rods close to the mounting seat, one end of the triggering swinging block is positioned between the adjacent bearing rods and inclines downwards, and the upper surface of the triggering swinging block, which is positioned on one side of the self rotating shaft away from the guide rail, is attached to the lower surface of the anti-falling swinging block.

By adopting the technical scheme, when the guide rail is lifted, the bearing rods are firstly contacted with the bottom of one end of the triggering swing block and push the triggering swing block to rotate out of the space between two adjacent bearing rods, at the moment, the anti-falling swing block does not rotate, and after the bearing rods are separated from the triggering swing block, the triggering swing block resets by means of self gravity; when the bearing rods descend, the bearing rods press down the top ends of the trigger swing blocks, so that the bending ends of the trigger swing blocks, which are far away from the bearing rods, push the anti-falling swing blocks to rotate, the tension springs stretch, the top ends of the anti-falling swing blocks rotate to positions between two adjacent bearing rods, and as the guide rails slowly descend at a constant speed, after the bearing rods are separated from the trigger swing blocks, the anti-falling swing blocks are reset by resilience force of the tension springs, and the next bearing rod descends to be in contact with the top ends of the trigger swing blocks so as to reciprocate; if the guide rail rapidly falls, the descending speed of the bearing rod is far higher than the speed of the tension spring pulling the anti-falling swing block to reset, the bearing rod above the anti-falling swing block directly presses the anti-falling swing block before the anti-falling swing block resets, so that one end, far away from the bearing rod, of the anti-falling swing block rotates to be tightly abutted to the limiting plate, the guide rail stops falling, and the safety of the discharging platform in use is further improved.

Optionally, the lateral wall that triggers the pendulum piece and be on a parallel with self axis of rotation has seted up the accommodation hole, and the axis of rotation that triggers the pendulum piece passes from the accommodation hole, and the circumference lateral wall cover that the axis of rotation that triggers the pendulum piece is located the accommodation hole is equipped with the torsional spring, and the both ends of torsional spring butt respectively is preventing weighing down the pendulum piece lower surface and triggering the pendulum piece upper surface, and when the torsional spring was in natural state, the torsional spring was in natural state.

Through adopting above-mentioned technical scheme, the adapting rod is when rising the top and moving the trigger pendulum piece, and the torsional spring contracts, prevents weighing down the pendulum piece still not rotate, continues to rise and breaks away from the trigger pendulum piece after the adapting rod, and the torsional spring makes to trigger the pendulum piece and rotates and reset, has improved the stability of triggering the pendulum piece at the during operation.

Optionally, a plurality of obliquely arranged reinforcing rods are fixedly arranged between the platform body and the guide rail.

Through adopting above-mentioned technical scheme, can improve the steadiness between platform body and the guide rail.

Optionally, the stiffener includes two connecting pipes and is located the adjusting screw between two connecting pipes, two with the axis collineation of connecting pipe, two terminal surface openings that the connecting pipe is relative set up and all set firmly the nut, adjusting screw's both ends insert respectively in two connecting pipes and with two nut threaded connection, the screw thread of two nuts is opposite.

Through adopting above-mentioned technical scheme, rotate adjusting screw and make two connecting pipes be close to each other or keep away from, can adjust the length of stiffener, can consolidate the platform body of different length.

Optionally, the middle part of the adjusting screw is fixedly sleeved with an adjusting ring, and the circumferential side wall of the adjusting ring is provided with a jack.

Through adopting above-mentioned technical scheme, the intensity at adjusting screw middle part can be strengthened to the adjustable ring, can insert the member and carry out the rotation of adjustable ring in the jack for adjusting screw's rotation is more convenient.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the guide rail drives the platform body to move to a construction floor, all the anti-falling seats are rotated, so that the supporting plate extends into a space between two adjacent bearing rods, the side walls of the fixed supporting plates of the anti-falling seats are abutted against the bearing rods, the guide rail moves downwards for a short distance, the bearing rods are tightly pressed on the upper surface of the supporting plate, the anti-falling seats and the supporting plate can provide stable support for the guide rail and the platform body, the possibility of falling of the guide rail and the platform can be reduced, and the safety of the unloading platform in use is improved;

2. when the receiving rod moves upwards, the receiving rod is firstly contacted with the top end of the lower surface of the anti-falling swing block and pushes the anti-falling swing block to rotate, the tension spring is compressed, when the receiving rod moves upwards continuously and is separated from the anti-falling swing block, the resilience force of the tension spring enables the anti-falling swing block to rotate and reset, if the guide rail falls down, the receiving rod can press down the top of the upper surface of the anti-falling swing block, the anti-falling swing block rotates and is abutted against the limiting plate, the guide rail stops descending, the anti-falling effect is improved, and the safety of the discharging platform in use is further improved;

3. when the guide rail slowly goes up and down at the uniform velocity, trigger the pendulum piece and normally rotate and reset, if the guide rail appears quick tenesmus, the speed that the carrier bar descends is far greater than the speed that the extension spring pulling prevents weighing down the pendulum piece and resets, then before preventing weighing down the pendulum piece and resetting, the carrier bar of top directly presses on preventing weighing down the pendulum piece for prevent weighing down the one end that the pendulum piece kept away from the carrier bar and rotate to support tightly with the limiting plate, the guide rail stops the tenesmus, further improvement the security of platform of unloading when using.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present application;

FIG. 2 is a schematic view showing the structure of the coupling rod;

FIG. 3 is a schematic view showing the structure of the anti-falling seat;

FIG. 4 is a schematic diagram showing the construction of the fall arrest assembly;

FIG. 5 is a schematic view showing the receiving hole and the torsion spring;

FIG. 6 is a schematic view showing the structure of the driving mechanism;

fig. 7 is a schematic view showing the structure of the reinforcing bar.

Description of reference numerals: 1. a platform body; 2. a guide rail; 21. a bearing rod; 3. mounting a plate; 31. a mounting seat; 32. a guide hole; 33. a cavity; 34. a guide wheel; 4. an anti-falling seat; 41. a rotating seat; 42. a bidirectional screw; 43. a supporting seat; 431. a support plate; 432. a receiving groove; 5. the anti-falling swing block; 51. a limiting plate; 52. a tension spring; 53. a baffle plate; 6. triggering the swinging block; 61. an accommodation hole; 62. a torsion spring; 7. a reinforcing bar; 71. a connecting pipe; 711. a nut; 72. adjusting the screw rod; 721. an adjusting ring; 722. a jack; 8. a drive mechanism; 81. a hanging ring seat; 82. an electric hoist; 83. and (5) hoisting the truss.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses platform of unloading.

Referring to fig. 1 and 2, the discharging platform comprises a platform body 1 with an opening at one side, two guide rails 2 are vertically fixed at the opening of the platform body 1, a plurality of mounting plates 3 are fixedly arranged on a floor wall along the vertical direction, two mounting seats 31 are fixedly arranged on the side wall of each mounting plate 3 close to the guide rail 2, guide holes 32 for the guide rails 2 to vertically penetrate through are formed in the upper surfaces of the mounting seats 31, a plurality of horizontally arranged bearing rods 21 are fixedly arranged in the guide rails 2 along the vertical direction, and the distances between the adjacent bearing rods 21 are equal; the upper surface of the mounting seat 31 is rotatably connected with an anti-falling seat 4 for stably supporting the bearing rods 21, the bottom of the mounting seat 31 is provided with an anti-falling assembly, the anti-falling assembly is used for enabling the guide rail 2 to normally run when the guide rail 2 slowly ascends and descends at a constant speed, and one end of the anti-falling assembly extends into the space between the adjacent bearing rods 21 and supports the bearing rods 21 when the guide rail 2 just descends quickly; a driving mechanism 8 for lifting the platform body 1 is arranged between the mounting plate 3 and the guide rail 2.

The guide rail 2 and the platform body 1 are lifted slowly and uniformly through the driving mechanism 8, the guide rail 2 is lifted in the guide hole 32, and the anti-falling assembly is separated from the guide rail 2; after the guide rail 2 is lifted to a designated position, the anti-falling seat 4 supports the bearing rod 21, so that the self-gravity of the platform body 1 and the guide rail 2 is applied to the anti-falling seat 4; if the anti-falling seat 4 breaks down to cause the guide rail 2 to drop rapidly, the anti-falling assembly is clamped between the adjacent bearing rods 21, the guide rail 2 and the platform body 1 stop dropping, and the self gravity of the platform body 1 and the guide rail 2 is applied to the anti-falling assembly; the anti-falling seat 4 directly supports the guide rail 2 and prevents falling, and the anti-falling assembly plays an anti-falling role in the guide rail 2 as a guarantee, so that the safety of the discharging platform in use is higher.

Referring to fig. 3, the anti-falling seat 4 comprises a rotating seat 41, a bidirectional screw 42 and a supporting seat 43, the rotating seat 41 is rotatably connected to the upper surface of the mounting seat 31 at a position between the mounting plate 3 and the guide rail 2, the rotation axis of the rotating seat 41 is parallel to the bearing rod 21, the rotating seat 41 and the supporting seat 43 are respectively in threaded connection with two ends of the bidirectional screw 42, and the middle part of the bidirectional screw 42 is prism-shaped; a supporting plate 431 is fixedly arranged on one side of the supporting seat 43, an included angle between the upper surface of the supporting plate 431 and the side wall of the supporting seat 43 is an obtuse angle, an arc-shaped receiving groove 432 is formed in the upper surface of the supporting seat 43, and the inner wall of the receiving groove 432 is used for being attached to the circumferential side wall of the receiving rod 21.

Before the guide rail 2 is lifted, the anti-falling seat 4 is firstly rotated to be separated from the guide rail 2, after the guide rail 2 is lifted, the bidirectional screw 42 is screwed to adjust the distance between the rotating seat 41 and the supporting seat 43, then the anti-falling seat 4 is rotated to enable the supporting plate 431 to rotate to the position between two adjacent bearing rods 21, and the bearing rods 21 are pressed on the corresponding supporting plate 431 through the driving mechanism 8; according to actual conditions, if the length of the anti-falling seat 4 is still insufficient after the bidirectional screw 42 is adjusted, the supporting seat 43 is rotated to enable the bearing groove 432 to rotate to the position right below the bearing rod 21, so that the anti-falling seat 4 can stably support the guide rail 2 and the platform body 1 and can play a role in anti-falling.

Referring to fig. 3 and 4, cavities 33 are respectively formed in two opposite sides of the inner side wall of each guide hole 32, a guide wheel 34 is rotatably connected in each cavity 33, the rotation axis of each guide wheel 34 is parallel to the bearing rod 21, and the circumferential side walls of the guide wheels 34 located on two sides of the same guide hole 32 are respectively abutted against two sides of the circumferential side wall of the guide rail 2; when the guide rail 2 is lifted, the guide wheels 34 rotate on the side wall of the guide rail 2, so that the stability of the guide rail 2 during lifting is improved.

Referring to fig. 4 and 5, the fall arrest assembly comprises a fall arrest pendulum 5, a tension spring 52, a trigger pendulum 6 and a torsion spring 62; the bottom of the mounting seat 31 is hollow and is provided with an opening at the bottom and one side, the anti-falling swing block 5 is rotatably connected to the position, close to the side opening, in the mounting seat 31, the rotating axis of the anti-falling swing block 5 is parallel to the bearing rod 21, a limiting plate 51 is vertically fixed on the top wall in the mounting seat 31, a tension spring 52 is obliquely fixed between the side wall of the limiting plate 51 and the top of the anti-falling swing block 5, and when the tension spring 52 is in a natural state, the anti-falling swing block 5 is completely positioned in the mounting seat 31 in an oblique state; when the tension spring 52 is in a stretching state, the top end of the anti-falling swing block 5 rotates to a position between two adjacent bearing rods 21, the bottom end of the anti-falling swing block is abutted against the bottom end of the limiting plate 51, and a baffle 53 used for preventing the bottom end of the anti-falling swing block 5 from separating from the mounting seat 31 during rotation is fixedly arranged at the bottom in the mounting seat 31;

the triggering swing block 6 is rotatably connected to the side wall, close to the guide rail 2, of the anti-falling swing block 5, the rotation axis of the triggering swing block 6 is parallel to the bearing rods 21, the triggering swing block 6 is arranged in a bending mode from the rotation axis of the triggering swing block 6, the side wall, opposite to the guide rail 2, of the triggering swing block 6 is provided with a containing hole 61, the rotation axis of the triggering swing block 6 penetrates through the containing hole 61, a torsion spring 62 is sleeved on the rotation axis in the containing hole 61, two ends of the torsion spring 62 are respectively abutted to the side wall, close to the guide rail 2, of the anti-falling swing block 5 and the side wall, away from the guide rail 2, of the triggering swing block 6, when the torsion spring 62 is in a natural state, the top end of the triggering swing block 6 is located between two adjacent bearing rods 21, and the bottom end of the triggering swing block 6 is attached to the side wall, below the rotation axis of the anti-falling swing block 5;

when the driving mechanism 8 drives the moving guide rail 2 to ascend at a constant speed, the bearing rod 21 is in contact with the lower surface of the top end of the triggering swing block 6 and pushes the triggering swing block 6 to rotate, meanwhile, the torsion spring 62 contracts, the anti-falling swing block 5 does not move, and after the bearing rod 21 is separated from the triggering swing block 6, the torsion spring 62 enables the triggering swing block 6 to reset so as to reciprocate;

when the driving mechanism 8 drives the guide rail 2 to descend at a constant speed, the bearing rod 21 presses the top end of the trigger swing block 6 downwards, the trigger swing block 6 rotates, the bottom end of the trigger swing block 6 pushes the anti-falling swing block 5 to rotate, the tension spring 52 stretches, the top end of the anti-falling swing block 5 extends into the space between the adjacent bearing rods 21, at the moment, if the guide rail 2 drops rapidly, the bearing rod 21 presses the anti-falling swing block 5, the bottom end of the anti-falling swing block 5 abuts against the limiting plate 51, and the guide rail 2 stops dropping; if the guide rail 2 descends slowly at a constant speed, the retraction force of the tension spring 52 pulls the anti-falling swing block 5 to reset, so that the trigger swing block 6 resets, and when the next bearing rod 21 descends to the anti-falling swing block 5 continuously, the anti-falling swing block 5 is reset, so that the guide rail 2 reciprocates, and the anti-falling swing block 5 swings back and forth in the process of descending at a constant speed;

if the guide rail 2 directly and rapidly falls down, the receiving rod 21 is rapidly pressed down onto the triggering swing block 6, the triggering swing block 6 drives the anti-falling swing block 5 to rotate, the top end of the anti-falling swing block 5 extends into the space between the adjacent receiving rods 21, the falling speed of the receiving rod 21 is far higher than the reset speed of the anti-falling swing block 5, the receiving rod 21 is pressed on the anti-falling swing block 5, the bottom end of the anti-falling swing block 5 is abutted against the limiting plate 51, the guide rail 2 stops falling, the anti-falling effect is achieved, and the safety of the discharging platform in use is further improved.

Referring to fig. 6, the driving mechanism 8 includes two suspension ring seats 81, an electric hoist 82 and a hoisting truss 83, the hoisting truss 83 is fixed between the two guide rails 2, the two suspension ring seats 81 are respectively fixed on the opposite side walls of the mounting plate 3 and the hoisting truss 83, the suspension ring seat 81 on the mounting plate 3 is higher than the suspension ring seat 81 on the hoisting truss 83, and the electric hoist 82 is connected between the two suspension ring seats 81; the electric guide rail 2 of the hoisting truss 83 can be lifted through the electric hoist 82, and the convenience of the discharging platform in use is improved.

Referring to fig. 1 and 7, a plurality of obliquely arranged reinforcing rods 7 are fixedly arranged between the guide rail 2 and the platform body 1, the top ends of the reinforcing rods 7 are fixed to the guide rail 2, each reinforcing rod 7 comprises two connecting pipes 71 and an adjusting screw 72, the axes of the two connecting pipes 71 are collinear, the two connecting pipes 71 are respectively fixed to the guide rail 2 and the platform body 1, nuts 711 are fixedly arranged on openings of opposite end surfaces of the two connecting pipes 71, two ends of the adjusting screw 72 are inserted into the two connecting pipes 71 and are respectively in threaded connection with the two nuts 711, and the threads of the two nuts 711 are opposite; an adjusting ring 721 is fixedly sleeved in the middle of the adjusting screw 72, and a jack 722 through which the adjusting ring 721 and the adjusting screw 72 penetrate is formed in the circumferential side wall of the adjusting ring 721; the length of the reinforcing rod 7 can be adjusted by inserting the rod into the insertion hole 722 and rotating the adjusting screw 72, so that the platform body 1 and the guide rail 2 with different lengths can be reinforced, and the safety of the discharging platform in use is improved.

The implementation principle of the discharging platform in the embodiment of the application is as follows: the anti-falling seat 4 is rotated to be separated from the guide rail 2, after the electric guide rail 2 of the hoisting truss 83 is lifted to a specified position through the electric hoist 82, the anti-falling seat 4 is rotated to enable the supporting plate 431 to be inserted between the two bearing rods 21, and the bearing rods 21 can be pressed on the corresponding supporting plate 431;

when the guide rail 2 slowly rises at a constant speed, the bearing rod 21 is in contact with the lower surface of the top end of the trigger swing block 6, the trigger swing block 6 is jacked to rotate, meanwhile, the torsion spring 62 contracts, the anti-falling swing block 5 is fixed, and after the bearing rod 21 is separated from the trigger swing block 6, the torsion spring 62 enables the trigger swing block 6 to reset so as to reciprocate;

when the guide rail 2 descends at a constant speed, the bearing rods 21 press the top ends of the trigger swing blocks 6 downwards, the trigger swing blocks 6 rotate, the bottom ends of the trigger swing blocks 6 push the anti-falling swing blocks 5 to rotate, the tension springs 52 stretch, the top ends of the anti-falling swing blocks 5 extend into the space between the adjacent bearing rods 21, after the lower bearing rods 21 are separated from the trigger swing blocks 6, the retraction force of the tension springs 52 pulls the anti-falling swing blocks 5 to reset, the trigger swing blocks 6 reset, when the next bearing rod 21 descends to the anti-falling swing blocks 5 continuously, the anti-falling swing blocks 5 are reset, and the reciprocating motion is carried out, so that the anti-falling swing blocks 5 swing back and forth in the process of descending the guide rail 2 at a constant speed;

if the guide rail 2 directly and rapidly falls down, the receiving rod 21 is rapidly pressed down onto the triggering swing block 6, the triggering swing block 6 drives the anti-falling swing block 5 to rotate, the top end of the anti-falling swing block 5 extends into the space between the adjacent receiving rods 21, the falling speed of the receiving rod 21 is far higher than the reset speed of the anti-falling swing block 5, the receiving rod 21 is pressed on the anti-falling swing block 5, the bottom end of the anti-falling swing block 5 is abutted against the limiting plate 51, the guide rail 2 stops falling down, the anti-falling effect is achieved, and the safety of the discharging platform in use is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides a platform of unloading, includes platform body (1), and the side opening part of platform body (1) is vertical to be set firmly a plurality of guide rails (2), and a plurality of mounting panels (3), its characterized in that have set firmly along vertical direction outside the building wall: a plurality of mounting seats (31) are fixedly arranged on the side walls, close to the guide rail (2), of the mounting plates (3), and guide holes (32) for the guide rail (2) to penetrate through are vertically formed in the mounting seats (31); each guide rail (2) is fixedly provided with a plurality of bearing rods (21) distributed in the vertical direction, the upper surface of the mounting seat (31) is rotatably connected with an anti-falling seat (4), the side wall, close to the guide rail (2), of the anti-falling seat (4) is fixedly provided with a supporting plate (431), the circumferential side wall of each bearing rod (21) is tightly pressed on the upper surface of the corresponding supporting plate (431), and meanwhile, the circumferential side wall of each bearing rod (21) is tightly abutted to the side wall of the supporting plate (431) fixed by the anti-falling seat (4); a driving mechanism (8) for driving the guide rail (2) to vertically lift is arranged between the mounting plate (3) and the guide rail (2).

2. A discharge platform according to claim 1, wherein: prevent weighing down seat (4) including rotating seat (41), two-way screw rod (42) and supporting seat (43), rotate seat (41) and rotate and connect in mount pad (31) upper surface, the both ends of two-way screw rod (42) respectively with rotate seat (41) and supporting seat (43) threaded connection, supporting seat (43) lateral wall is fixed with layer board (431).

3. A discharge platform according to claim 2, wherein: the upper surface of the supporting seat (43) is provided with a bearing groove (432), and when the supporting plate (431) rotates to one side far away from the guide rail (2) of the supporting seat (43) along the axis of the bidirectional screw (42), the bearing rod (21) is pressed on the bearing groove (432).

4. A discharge platform according to claim 1, wherein: cavity (33) have all been seted up to relative lateral wall in guiding hole (32), and horizontal rotation is connected with a plurality of leading wheels (34) in cavity (33), and the both sides of guide rail (2) circumference lateral wall all with the circumference lateral wall butt of different leading wheels (34).

5. A discharge platform according to claim 1, wherein: mount pad (31) are the under shed and towards the side opening of guide rail (2), mount pad (31) internal rotation is connected with prevents weighing down pendulum piece (5), mount pad (31) interior roof has set firmly limiting plate (51), limiting plate (51) bottom is used for with prevent weighing down the upper surface butt that pendulum piece (5) are located self rotation axis below, limiting plate (51) are close to prevent weighing down the lateral wall of pendulum piece (5) and prevent weighing down and are fixed with extension spring (52) between pendulum piece (5) are located the upper surface of self rotation axis top, when extension spring (52) are in natural state, prevent weighing down pendulum piece (5) and be in the tilt state, the top of preventing weighing down pendulum piece (5) is located between adjacent receiving rod (21).

6. A platform of claim 5, wherein: the lower surface of the anti-falling swing block (5) is rotatably connected with a trigger swing block (6), the rotating axis of the trigger swing block (6) is parallel to the rotating axis of the anti-falling swing block (5), and the trigger swing block (6) is bent from the rotating axis of the trigger swing block; when the tension spring (52) is in a natural state, the anti-falling swing block (5) is located on one side, close to the mounting seat (31), of the bearing rods (21), one end of the triggering swing block (6) is located between the adjacent bearing rods (21) and inclines downwards, and the upper surface, located on one side, away from the guide rail (2), of the self rotating shaft of the triggering swing block (6) is attached to the lower surface of the anti-falling swing block (5).

7. A platform of claim 6, wherein: the lateral wall that triggers pendulum piece (6) and be on a parallel with self axis of rotation has seted up accommodation hole (61), and the axis of rotation that triggers pendulum piece (6) passes in accommodation hole (61), and the axis of rotation that triggers pendulum piece (6) is located accommodation hole (61) circumference lateral wall cover is equipped with torsional spring (62), and the both ends butt respectively of torsional spring (62) is preventing weighing down pendulum piece (5) lower surface and triggering pendulum piece (6) upper surface, and when extension spring (52) were in natural state, torsional spring (62) were in natural state.

8. A discharge platform according to claim 1, wherein: a plurality of obliquely arranged reinforcing rods (7) are fixedly arranged between the platform body (1) and the guide rail (2).

9. A discharge platform according to claim 8, wherein: the reinforcing rod (7) comprises two connecting pipes (71) and adjusting screws (72) located between the two connecting pipes (71), the two connecting pipes are collinear with the axis of the connecting pipes (71), the openings of the opposite end faces of the two connecting pipes (71) are provided with nuts (711) fixedly, the two ends of each adjusting screw (72) are inserted into the two connecting pipes (71) respectively and are in threaded connection with the two nuts (711), and the threads of the two nuts (711) are opposite.

10. A discharge platform according to claim 9, wherein: the middle part of adjusting screw (72) is fixed the cover and is equipped with adjustable ring (721), and jack (722) have been seted up to the circumference lateral wall of adjustable ring (721).

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