CN214365044U

CN214365044U - Construction's platform of unloading

Info

Publication number: CN214365044U
Application number: CN202022802471.8U
Authority: CN
Inventors: 赵亮; 王世雄; 王雷雷
Original assignee: China Construction Fifth Engineering Bureau Co Ltd
Current assignee: China Construction Fifth Engineering Bureau Co Ltd
Priority date: 2020-11-29
Filing date: 2020-11-29
Publication date: 2021-10-08
Anticipated expiration: 2030-11-29

Abstract

The utility model discloses an unloading platform for building construction, which comprises two vertical supporting mechanisms, two C-shaped steel beams, a rectangular frame, a translation driving motor and an unloading receiving box; the supporting heights of the two vertical supporting mechanisms are adjustable and are used for supporting between the upper floor slab and the lower floor slab; the end parts of the two C-shaped steel beams are respectively installed on the two vertical supporting mechanisms in a swing-type hinged mode through the two hinged seats. The unloading platform for building construction can carry out translational driving on the unloading carrying box by utilizing the translational driving motor, the translational driving seat and the two translational driving screws, so that materials can be conveniently carried after the unloading carrying box extends out of a floor slab, and the materials can be conveniently unloaded when the unloading carrying box is retracted into the floor slab; utilize two vertical supporting mechanism to support between upper and lower floor's floor to need not to punch on the building, can not influence the structural strength of building.

Description

Construction's platform of unloading

Technical Field

The utility model relates to a construction platform, especially a construction's platform of unloading.

Background

In the construction site of a building, materials between floors are generally transferred through a tower crane, and the unloading platform is a transfer station for transferring the materials on the lower floor to the upper floor. The existing discharging platform is provided with a cantilever beam fixedly connected with a floor slab and used for installing a workbench outside the floor slab. The existing discharging platform needs to be provided with a fixing hole on a floor slab when the cantilever beam is installed, the cantilever beam is fixedly installed on the floor slab by utilizing the fixing hole, the punching and fixing mode is complex in operation, time and labor are wasted, the building structure can be damaged, and the construction quality is influenced.

Disclosure of Invention

Utility model purpose: the utility model provides a platform of unloading of construction for support installation between upper and lower floor's floor, and need not to set up the fixed orifices on the floor, can not cause the influence to building structure.

The technical scheme is as follows: the utility model relates to an unloading platform for building construction, which comprises two vertical supporting mechanisms, two C-shaped steel beams, a rectangular frame, a translation driving motor and an unloading receiving box; the supporting heights of the two vertical supporting mechanisms are adjustable and are used for supporting between the upper floor slab and the lower floor slab; the end parts of the two C-shaped steel beams are respectively and swing-hinged on the two vertical supporting mechanisms through two hinging seats; the left side frame and the right side frame of the rectangular frame are respectively and interactively embedded into the left C-shaped steel beam and the right C-shaped steel beam; supporting wheel grooves are formed in the opposite inner side faces of the left side frame and the right side frame of the rectangular frame along the length direction; supporting rollers are arranged on the left side and the right side of the bottom of the unloading receiving box at intervals, and are embedded into supporting wheel grooves running on the corresponding sides; the translation driving motor is fixedly arranged in the middle of the front side frame of the rectangular frame; a translation driving seat is fixedly arranged at the center of the bottom surface of the unloading receiving box, and a translation driving threaded hole is longitudinally formed in the translation driving seat; a translation driving screw is longitudinally and rotatably arranged in the middle of the inner side of the front side frame of the rectangular frame, and the translation driving screw is threadedly and rotatably arranged on the translation driving threaded hole; the end part of an output shaft of the translation driving motor is butted with the end part of the front side of the translation driving screw rod.

Further, the vertical supporting unit comprises a vertical sleeve, a vertical stay bar, a top supporting plate, a bottom supporting plate, an annular supporting plate, two lifting adjusting screws and a lifting synchronous chain; the lower end of the vertical sleeve is vertically fixed on the upper side surface of the bottom supporting plate, the upper end of the vertical stay bar is vertically fixed on the lower side surface of the top supporting plate, and the lower end of the vertical stay bar is inserted into an upper end pipe orifice of the vertical sleeve; two side supporting seats are arranged on the outer wall of the upper end pipe orifice of the vertical sleeve; a pipe shaft is vertically and rotatably arranged on each of the two side supporting seats, penetrates through the side supporting seats, and is fixedly provided with a synchronous lifting gear at the upper end; a lifting driving threaded hole is formed in the center of each of the two synchronous lifting gears; the two lifting adjusting screws penetrate through the tubular shaft and are arranged on the lifting driving threaded holes at corresponding positions in a threaded manner; the upper ends of the two lifting adjusting screws are fixedly arranged on the lower side surface of the annular supporting plate; the vertical stay bar penetrates through the central ring hole of the annular supporting plate; an intermediate gear is rotatably arranged on the outer wall of the upper end pipe orifice of the vertical sleeve and on the pipe wall between the two side supporting seats; the lifting synchronous chain is arranged on the two synchronous lifting gears and the two intermediate gears in a surrounding manner; a lifting driving worm wheel is fixedly mounted on one of the synchronous lifting gears, and a central through hole which is convenient for a lifting adjusting screw rod to penetrate is formed in the center of the lifting driving worm wheel; a lifting driving worm is rotatably arranged on the side supporting seat close to the lifting driving worm wheel through the side supporting seat, the lifting driving worm is meshed with the lifting driving worm wheel, and a lifting driving crank is fixedly arranged at the end part of the lifting driving worm; two pin rod T-shaped sliding grooves extending to the central annular hole are formed in the upper side face of the annular supporting plate, and a lifting positioning pin rod is slidably mounted on each of the two pin rod T-shaped sliding grooves; each positioning pin hole is arranged on the rod wall of the vertical stay rod at intervals; a pin rod positioning seat is arranged on the upper side surface of the annular supporting plate and positioned at the end parts of the two pin rod T-shaped sliding grooves; and a pin rod positioning pressure spring is supported and arranged between the pin rod positioning seat and the corresponding lifting positioning pin rod and is used for pushing the end part of the lifting positioning pin rod to be inserted into the positioning pin hole at the position corresponding to the height position.

Furthermore, friction ribs are arranged on the lower side face of the bottom supporting plate and the upper side face of the top supporting plate.

Furthermore, a positioning sliding sleeve is slidably sleeved on the vertical sleeve; the hinged seat is fixedly arranged on the positioning sliding sleeve; an L-shaped supporting plate is vertically and fixedly arranged on the bottom supporting plate, and the end part of a transverse plate of the L-shaped supporting plate is fixedly arranged on the outer wall of the vertical sleeve; a side edge guide sliding groove is vertically arranged on the inner side surface of the vertical plate of the L-shaped supporting plate; a sliding sleeve positioning seat is slidably arranged on the side guide sliding chute, and a height adjusting threaded hole is vertically arranged on the sliding sleeve positioning seat; a rectangular buckle notch is formed in the vertical side face of the sliding sleeve positioning seat, and the side edge of the positioning sliding sleeve is embedded into the rectangular buckle notch; a height adjusting screw rod is vertically and rotatably mounted on the transverse plate of the L-shaped supporting plate, and the lower end of the height adjusting screw rod is rotatably mounted on the bottom supporting plate; the height adjusting screw is screwed on the height adjusting threaded hole, and the upper end of the height adjusting screw is fixedly provided with a driven bevel gear; an adjusting crank is rotatably arranged on the L-shaped supporting plate through a crank support, and a driving bevel gear is fixedly arranged at the end part of a crank shaft of the adjusting crank; the driving bevel gear is meshed with the driven bevel gear.

Further, the unloading receiving box comprises a supporting bottom plate and surrounding baffle plates; the surrounding baffle is vertically and fixedly arranged on the surrounding side edges of the supporting bottom plate; the translation driving seat is fixedly arranged in the middle of the lower side surface of the supporting bottom plate; the supporting rollers are rotatably arranged at the lower edges of the outer side surfaces of the left and right side plates of the surrounding baffle.

Furthermore, a protective baffle is horizontally arranged on the lower side edge of the rear end part of the rectangular frame.

Furthermore, the upper side surfaces of the left side frame and the right side frame of the rectangular frame are longitudinally provided with a limiting convex strip, and the limiting convex strips are provided with anti-skid convex edges at intervals; a strip-shaped limiting groove is formed in the inner wall of the upper side of the C-shaped steel beam; the limiting convex strips are slidably embedded into the strip-shaped limiting grooves; and a position locking bolt is screwed on the C-shaped steel beam in a threaded manner, and the end part of a screw rod of the position locking bolt is pressed on the anti-skidding convex edge.

Further, a strip-shaped supporting plate for pressure bearing support is transversely arranged on the lower side of the rear end of the rectangular frame; a side roller seat is arranged on the outer side surface of the left side frame and the outer side surface of the right side frame of the rectangular frame and close to the strip-shaped supporting plate; a height adjusting hole is vertically arranged on the lower side surface of the side roller seat, and a roller supporting rod is inserted in the height adjusting hole; a side supporting wheel is rotatably arranged at the lower end of the roller supporting rod; a lifting guide chute is vertically arranged on the roller wheel supporting rod; the hole wall of the height adjusting hole is provided with a guide sliding block which is embedded into the lifting guide sliding groove in a sliding manner; a roller adjusting threaded hole communicated with the height adjusting hole is vertically formed in the upper side face of the side roller seat; a roller adjusting screw is screwed on the roller adjusting threaded hole in a threaded manner, and the lower end of the roller adjusting screw is rotatably arranged on the upper end part of the roller supporting rod; and a roller adjusting crank is fixedly arranged at the upper end part of the roller adjusting screw rod.

Compared with the prior art, the utility model, its beneficial effect is: the discharging receiving box can be driven in a translation mode through the translation driving motor, the translation driving screw and the translation driving seat, so that materials can be received conveniently after the discharging receiving box extends out of the floor slab, and the materials can be discharged conveniently when the discharging receiving box is retracted into the floor slab; the length of the rectangular frame extending out of the floor slab can be conveniently adjusted by utilizing the installation and matching of the two C-shaped steel beams and the rectangular frame; the horizontal position of the unloading receiving box can be conveniently and horizontally adjusted by matching the supporting wheel groove and the supporting rollers; utilize two vertical supporting mechanism to support between upper and lower floor's floor to need not to punch on the building, do not influence the structural strength of building.

Drawings

Fig. 1 is a schematic view of the overall right-side structure of the present invention;

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

fig. 3 is the utility model discloses a bearing box mounting structure schematic diagram of unloading.

Detailed Description

The technical solution of the present invention will be described in detail with reference to the accompanying drawings, but the scope of the present invention is not limited to the embodiments.

Example 1:

as shown in fig. 1-3, the utility model discloses a platform of unloading of construction includes: the device comprises two vertical supporting mechanisms, two C-shaped steel beams 5, a rectangular frame 6, a translation driving motor 75 and a discharging receiving box; the supporting heights of the two vertical supporting mechanisms are adjustable and are used for supporting between the upper floor slab and the lower floor slab; the end parts of the two C-shaped steel beams 5 are respectively installed on the two vertical supporting mechanisms in a swing type hinge mode through two hinge seats 8; the left side frame and the right side frame of the rectangular frame 6 are respectively and interactively embedded into the left C-shaped steel beam 5 and the right C-shaped steel beam 5; supporting wheel grooves are formed in the opposite inner side faces of the left side frame and the right side frame of the rectangular frame 6 along the length direction; supporting rollers 68 are arranged on the left side and the right side of the bottom of the unloading receiving box at intervals, and the supporting rollers 68 are embedded into supporting wheel grooves running on the corresponding sides; the translation driving motor 75 is fixedly arranged in the middle of the front side frame of the rectangular frame 6; a translation driving seat is fixedly arranged at the center of the bottom surface of the unloading receiving box, and a translation driving threaded hole is longitudinally formed in the translation driving seat; a translation driving screw rod 71 is longitudinally and rotatably arranged in the middle of the inner side of the front side frame of the rectangular frame 6, and the translation driving screw rod 71 is threadedly and rotatably arranged on a translation driving threaded hole; an output shaft end of the translation drive motor 75 is abutted against a front end portion of the translation drive screw 71.

The discharging receiving box can be driven in a translation mode through the translation driving motor 75, the translation driving screw 71 and the translation driving seat, so that materials can be received conveniently after the discharging receiving box extends out of the floor slab, and the materials can be discharged conveniently when the discharging receiving box retracts into the floor slab; the length of the rectangular framework 6 extending out of the floor slab can be conveniently adjusted by the installation and matching of the two C-shaped steel beams 5 and the rectangular framework 6; the horizontal position of the unloading receiving box can be conveniently and horizontally adjusted by matching the supporting wheel grooves with the supporting rollers 68; utilize two vertical supporting mechanism to support between upper and lower floor's floor to need not to punch on the building, do not influence the structural strength of building.

Further, the vertical supporting unit comprises a vertical sleeve 1, a vertical stay bar 2, a top supporting plate 3, a bottom supporting plate 4, an annular supporting plate 19, two lifting adjusting screws 23 and a lifting synchronous chain 27; the lower end of the vertical sleeve 1 is vertically fixed on the upper side surface of the bottom supporting plate 4, the upper end of the vertical stay bar 2 is vertically fixed on the lower side surface of the top supporting plate 3, and the lower end of the vertical stay bar 2 is inserted into an upper end pipe orifice of the vertical sleeve 1; two side supporting seats 25 are arranged on the outer wall of the upper end pipe orifice of the vertical sleeve 1; a pipe shaft 24 is vertically and rotatably arranged on each of the two side supporting seats 25, the pipe shaft 24 penetrates through the side supporting seats 25, and a synchronous lifting gear 26 is fixedly arranged at the upper end of the pipe shaft 24; a lifting driving threaded hole is formed in the center of each of the two synchronous lifting gears 26; two lifting adjusting screws 23 penetrate through the tubular shaft 24 and are screwed on lifting driving threaded holes at corresponding positions; the upper ends of the two lifting adjusting screws 23 are fixedly arranged on the lower side surface of the annular supporting plate 19; the vertical stay bar 2 penetrates through a central annular hole of the annular supporting plate 19; an intermediate gear 28 is rotatably arranged on the outer wall of the upper end pipe orifice of the vertical sleeve 1 and on the pipe wall between the two side supporting seats 25; the lifting synchronous chain 27 is arranged on the two synchronous lifting gears 26 and the two intermediate gears 28 in a surrounding manner; a lifting driving worm gear 32 is fixedly mounted on one of the synchronous lifting gears 26, and a central through hole which is convenient for the lifting adjusting screw 23 to penetrate is formed in the center of the lifting driving worm gear 32; a lifting driving worm 33 is rotatably arranged on the side supporting seat 25 close to the lifting driving worm wheel 32 through the side supporting seat 30, the lifting driving worm 33 is meshed with the lifting driving worm wheel 32, and a lifting driving crank 31 is fixedly arranged at the end part of the lifting driving worm 33; two pin rod T-shaped sliding grooves extending to the central annular hole are formed in the upper side face of the annular supporting plate 19, and a lifting positioning pin rod 20 is slidably mounted on each of the two pin rod T-shaped sliding grooves; each positioning pin hole 76 is arranged on the rod wall of the vertical stay rod 2 at intervals; a pin rod positioning seat 22 is arranged on the upper side surface of the annular supporting plate 19 and positioned at the end parts of the two pin rod T-shaped sliding grooves; a pin rod positioning compression spring 21 is supported and arranged between the pin rod positioning seat 22 and the corresponding lifting positioning pin rod 20 and used for pushing the end part of the lifting positioning pin rod 20 to be inserted into the positioning pin hole 76 at the corresponding height position.

The synchronous lifting control of the two lifting adjusting screws 23 can be conveniently carried out by utilizing a synchronous rotating structure formed by the synchronous lifting gear 26, the intermediate gear 28 and the lifting synchronous chain 27; the rotation driving and the rotation positioning can be realized by the matching of the lifting driving worm wheel 32 and the lifting driving worm 33; by utilizing the matching of the annular supporting plate 19, the positioning pin hole 76, the pin rod positioning seat 22, the pin rod positioning compression spring 21 and the lifting positioning pin rod 20, large-range quick adjustment can be carried out during lifting adjustment, and the installation efficiency is improved.

Further, friction ribs 77 are provided on both the lower side of bottom support plate 4 and the upper side of top support plate 3. The stability of the bottom support plate 4 and the top support plate 3 when supported can be enhanced by the friction ribs 77.

Furthermore, a positioning sliding sleeve 9 is slidably sleeved on the vertical sleeve 1; the hinged seat 8 is fixedly arranged on the positioning sliding sleeve 9; an L-shaped support plate 11 is vertically and fixedly arranged on the bottom support plate 4, and the end part of a transverse plate of the L-shaped support plate 11 is fixedly arranged on the outer wall of the vertical sleeve 1; a side guide sliding groove 18 is vertically arranged on the inner side surface of the vertical plate of the L-shaped supporting plate 11; a sliding sleeve positioning seat 10 is slidably mounted on the side guide sliding groove 18, and a height adjusting threaded hole is vertically formed in the sliding sleeve positioning seat 10; a rectangular buckle notch 17 is formed in the vertical side face of the sliding sleeve positioning seat 10, and the side edge of the positioning sliding sleeve 9 is embedded into the rectangular buckle notch 17; a height adjusting screw 16 is vertically and rotatably mounted on the transverse plate of the L-shaped support plate 11, and the lower end of the height adjusting screw 16 is rotatably mounted on the bottom support plate 4; the height adjusting screw 16 is screwed on the height adjusting threaded hole, and the upper end of the height adjusting screw 16 is fixedly provided with a driven bevel gear 15; an adjusting crank 13 is rotatably arranged on the L-shaped supporting plate 11 through a crank support 12, and a driving bevel gear 14 is fixedly arranged at the end part of a crank shaft of the adjusting crank 13; the driving bevel 14 meshes with the driven bevel 15.

The sliding sleeve positioning seat 10, the height adjusting screw 16 and the adjusting crank 13 are utilized to conveniently adjust the height of the positioning sliding sleeve 9, so that the rectangular frame 6 is kept horizontal, and the stability of the material in the unloading receiving box is ensured; the L-shaped supporting plate 11 is convenient for the rotary installation of the height adjusting screw rod 16, and the structural strength of the installation of the lower end of the vertical sleeve 1 can be enhanced.

Further, the discharge receiving box includes a support bottom plate 44 and a surrounding baffle 46; the surrounding baffle plates 46 are vertically and fixedly arranged on the peripheral side edges of the supporting bottom plate 44; the translation driving seat is fixedly arranged in the middle of the lower side surface of the supporting bottom plate 44; support rollers 68 are rotatably mounted at the lower edges of the outer side surfaces of the left and right side plates of the peripheral barrier 46.

Further, a guard fence 42 is horizontally installed on the lower side of the rear end portion of the rectangular frame 6. The shielding can be performed at the bottom by the shielding flap 42.

Furthermore, a limit convex strip 69 is longitudinally arranged on the upper side surfaces of the left and right side frames of the rectangular frame 6, and each anti-slip convex edge is arranged on the limit convex strip 69 at intervals; a strip-shaped limiting groove is formed in the inner wall of the upper side of the C-shaped steel beam 5; the limit convex strips 69 are slidably embedded into the strip-shaped limit grooves; a position locking bolt 70 is screwed on the C-shaped steel beam 5, and the end of the screw of the position locking bolt 70 is pressed on the anti-slip bead. The stability of the longitudinal movement of the rectangular frame 6 can be enhanced by the cooperation of the limit convex strips 69 and the strip-shaped limit grooves; the longitudinal position of the rectangular frame 6 can be positioned by the engagement of the locking bolt 70 with the anti-slip ridge.

Further, a strip-shaped support plate 7 for pressure bearing support is transversely arranged on the lower side of the rear end of the rectangular frame 6; a side roller seat 78 is arranged on the outer side surface of the left side frame and the right side frame of the rectangular frame 6 and close to the strip-shaped support plate 7; a height adjusting hole is vertically arranged on the lower side surface of the side roller seat 78, and a roller supporting rod 81 is inserted in the height adjusting hole; a side supporting wheel 83 is rotatably mounted on the lower end of the roller supporting rod 81; a lifting guide chute 82 is vertically arranged on the roller support rod 81; the hole wall of the height adjusting hole is provided with a guide slide block which is embedded into the lifting guide chute 82 in a sliding manner; a roller adjusting threaded hole communicated with the height adjusting hole is vertically formed in the upper side surface of the side roller seat 78; a roller adjusting screw 80 is screwed on the roller adjusting threaded hole, and the lower end of the roller adjusting screw 80 is rotatably mounted on the upper end part of the roller supporting rod 81; a roller adjustment crank 79 is fixedly mounted on the upper end of the roller adjustment screw 80.

Utilize the cooperation of gyro wheel regulation crank 79 and gyro wheel adjusting screw 80, can be convenient for adjust the height of side supporting wheel 83 to be convenient for longitudinal movement when dragging rectangular frame 6, and when rectangular frame 6 supported the use, be convenient for put down bar backup pad 7 and support, ensure rectangular frame 6's support stability.

The utility model discloses a platform of unloading of construction when installing and using, at first according to the height of upper and lower floor through the cooperation of lift locating pin pole 20 and locating pin hole 76, adjust the vertical stay bar 2 in the cartridge depth of vertical sleeve pipe 1 upper end, and then adjust lift adjusting screw 23 through lift drive crank 31 and rotate, thereby drive two synchronous lifting gear 26 synchronous rotations, realize two lift adjusting screw 23 synchronous lifting, thereby press top backup pad 3 on the downside of upper floor; dragging the rectangular frame 6 again, enabling the unloading receiving box to rapidly extend out of the upper floor and the lower floor under the action of the side supporting wheels 83, adjusting the roller adjusting crank 79 to enable the strip-shaped supporting plate 7 to be supported at the edge of the lower floor, and locking the relative position relation between the C-shaped steel beam 5 and the rectangular frame 6 through the position locking bolt 70; the heights of the two positioning sliding sleeves 9 are adjusted by adjusting the crank 13, so that the supporting heights of the positioning sliding sleeves 9 and the strip-shaped supporting plate 7 are the same, and the horizontal state of the rectangular frame 6 is kept.

During unloading, the tower crane places the material on the supporting bottom plate 44, then the translation driving motor 75 is started to rotate forwards, and the unloading carrying box is dragged into a floor slab through the translation driving screw 71; after the material is taken down from the supporting bottom plate 44, the translation driving motor 75 is controlled to rotate reversely, and the discharging receiving box is pushed out of the floor slab through the translation driving screw rod 71.

As mentioned above, although the present invention has been shown and described with reference to certain preferred embodiments, it should not be construed as limiting the invention itself. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a platform of unloading of construction which characterized in that: the device comprises two vertical supporting mechanisms, two C-shaped steel beams (5), a rectangular frame (6), a translation driving motor (75) and a discharging receiving box; the supporting heights of the two vertical supporting mechanisms are adjustable and are used for supporting between the upper floor slab and the lower floor slab; the end parts of the two C-shaped steel beams (5) are respectively installed on the two vertical supporting mechanisms in a swing-type hinged mode through two hinged seats (8); the left side frame and the right side frame of the rectangular frame (6) are respectively and interactively embedded into the left C-shaped steel beam and the right C-shaped steel beam (5); supporting wheel grooves are formed in the opposite inner side faces of the left side frame and the right side frame of the rectangular frame (6) along the length direction; supporting rollers (68) are arranged on the left side and the right side of the bottom of the unloading receiving box at intervals, and the supporting rollers (68) are embedded into supporting roller grooves which run on the corresponding sides; the translation driving motor (75) is fixedly arranged in the middle of the front side frame of the rectangular frame (6); a translation driving seat is fixedly arranged at the center of the bottom surface of the unloading receiving box, and a translation driving threaded hole is longitudinally formed in the translation driving seat; a translation driving screw rod (71) is longitudinally and rotatably arranged in the middle of the inner side of the front side frame of the rectangular frame (6), and the translation driving screw rod (71) is threadedly and rotatably arranged on the translation driving threaded hole; the end of the output shaft of the translation drive motor (75) is in contact with the end of the front end of the translation drive screw (71).

2. The construction discharge platform of claim 1, wherein: the vertical supporting unit comprises a vertical sleeve (1), a vertical supporting rod (2), a top supporting plate (3), a bottom supporting plate (4), an annular supporting plate (19), two lifting adjusting screws (23) and a lifting synchronous chain (27); the lower end of the vertical sleeve (1) is vertically fixed on the upper side surface of the bottom supporting plate (4), the upper end of the vertical stay bar (2) is vertically fixed on the lower side surface of the top supporting plate (3), and the lower end of the vertical stay bar (2) is inserted into an upper end pipe orifice of the vertical sleeve (1); two side supporting seats (25) are arranged on the outer wall of the upper end pipe orifice of the vertical sleeve (1); a pipe shaft (24) is vertically and rotatably arranged on each of the two side supporting seats (25), the pipe shaft (24) penetrates through the side supporting seats (25), and a synchronous lifting gear (26) is fixedly arranged at the upper end of the pipe shaft (24); a lifting driving threaded hole is formed in the center of each of the two synchronous lifting gears (26); two lifting adjusting screws (23) penetrate through the tubular shaft (24) and are screwed on lifting driving threaded holes in corresponding positions; the upper ends of the two lifting adjusting screws (23) are fixedly arranged on the lower side surface of the annular supporting plate (19); the vertical stay bar (2) penetrates through a central annular hole of the annular supporting plate (19); an intermediate gear (28) is rotatably arranged on the outer wall of the upper end pipe orifice of the vertical sleeve (1) and on the pipe wall between the two side supporting seats (25); the lifting synchronous chain (27) is arranged on the two synchronous lifting gears (26) and the two intermediate gears (28) in a surrounding manner; a lifting driving worm gear (32) is fixedly arranged on one of the synchronous lifting gears (26), and a central through hole which is convenient for the penetration of a lifting adjusting screw rod (23) is arranged at the center of the lifting driving worm gear (32); a lifting driving worm (33) is rotatably arranged on the side supporting seat (25) close to the lifting driving worm wheel (32) through a side supporting seat (30), the lifting driving worm (33) is meshed with the lifting driving worm wheel (32), and a lifting driving crank (31) is fixedly arranged at the end part of the lifting driving worm (33); two pin rod T-shaped sliding grooves extending to the central annular hole are formed in the upper side face of the annular supporting plate (19), and a lifting positioning pin rod (20) is arranged on each of the two pin rod T-shaped sliding grooves in a sliding mode; each positioning pin hole (76) is arranged on the rod wall of the vertical stay rod (2) at intervals; a pin rod positioning seat (22) is arranged on the upper side surface of the annular supporting plate (19) and positioned at the end parts of the two pin rod T-shaped sliding grooves; a pin rod positioning pressure spring (21) is supported and arranged between the pin rod positioning seat (22) and the corresponding lifting positioning pin rod (20) and is used for pushing the end part of the lifting positioning pin rod (20) to be inserted into the positioning pin hole (76) at the position corresponding to the height.

3. The construction discharge platform of claim 2, wherein: friction ribs (77) are provided on both the lower side of the bottom support plate (4) and the upper side of the top support plate (3).

4. The construction discharge platform of claim 2, wherein: a positioning sliding sleeve (9) is slidably sleeved on the vertical sleeve (1); the hinge seat (8) is fixedly arranged on the positioning sliding sleeve (9); an L-shaped support plate (11) is vertically and fixedly arranged on the bottom support plate (4), and the end part of a transverse plate of the L-shaped support plate (11) is fixedly arranged on the outer wall of the vertical sleeve (1); a side guide sliding groove (18) is vertically arranged on the inner side surface of the vertical plate of the L-shaped supporting plate (11); a sliding sleeve positioning seat (10) is arranged on the side guide sliding groove (18) in a sliding mode, and a height adjusting threaded hole is vertically formed in the sliding sleeve positioning seat (10); a rectangular buckle notch (17) is formed in the vertical side face of the sliding sleeve positioning seat (10), and the side edge of the positioning sliding sleeve (9) is embedded into the rectangular buckle notch (17); a height adjusting screw rod (16) is vertically and rotatably mounted on a transverse plate of the L-shaped support plate (11), and the lower end of the height adjusting screw rod (16) is rotatably mounted on the bottom support plate (4); the height adjusting screw (16) is screwed on the height adjusting threaded hole, and the upper end of the height adjusting screw (16) is fixedly provided with a driven bevel gear (15); an adjusting crank (13) is rotatably arranged on the L-shaped supporting plate (11) through a crank support (12), and a driving bevel gear (14) is fixedly arranged at the end part of a crank shaft of the adjusting crank (13); the driving bevel gear (14) is meshed with the driven bevel gear (15).

5. The construction discharge platform of claim 1, wherein: the discharge receiving box comprises a supporting bottom plate (44) and four surrounding baffle plates (46); the surrounding baffle (46) is vertically and fixedly arranged on the surrounding side edge of the supporting bottom plate (44); the translation driving seat is fixedly arranged in the middle of the lower side surface of the supporting bottom plate (44); the supporting rollers (68) are rotatably arranged at the lower edges of the outer side surfaces of the left and right side plates of the surrounding baffle plate (46).

6. The construction discharge platform of claim 1, wherein: a protective baffle (42) is horizontally arranged on the lower side edge of the rear end part of the rectangular frame (6).

7. The construction discharge platform of claim 1, wherein: the upper side surfaces of the left and right side frames of the rectangular frame (6) are longitudinally provided with a limit convex strip (69), and the limit convex strips (69) are provided with anti-skid convex edges at intervals; a strip-shaped limiting groove is formed in the inner wall of the upper side of the C-shaped steel beam (5); the limiting convex strips (69) are slidably embedded into the strip-shaped limiting grooves; a position locking bolt (70) is screwed on the C-shaped steel beam (5), and the end part of the screw rod of the position locking bolt (70) is pressed on the anti-skid convex edge.

8. The construction discharge platform of claim 1, wherein: a strip-shaped support plate (7) for pressure-bearing support is transversely arranged on the lower side of the rear end of the rectangular frame (6); a side roller seat (78) is arranged on the outer side surface of the left side frame and the right side frame of the rectangular frame (6) and close to the strip-shaped support plate (7); a height adjusting hole is vertically arranged on the lower side surface of the side roller seat (78), and a roller supporting rod (81) is inserted in the height adjusting hole; a side supporting wheel (83) is rotatably arranged at the lower end of the roller supporting rod (81); a lifting guide sliding groove (82) is vertically arranged on the roller supporting rod (81); the hole wall of the height adjusting hole is provided with a guide slide block which is embedded into the lifting guide chute (82) in a sliding manner; a roller adjusting threaded hole communicated with the height adjusting hole is vertically formed in the upper side surface of the side roller seat (78); a roller adjusting screw (80) is screwed on the roller adjusting threaded hole in a threaded manner, and the lower end of the roller adjusting screw (80) is rotatably arranged on the upper end part of the roller supporting rod (81); a roller adjusting crank (79) is fixedly arranged on the upper end part of the roller adjusting screw rod (80).