A lifting unloading platform and its use method

Abstract

The present invention relates to a lifting unloading platform, comprising two vertical rails, a sliding frame and a bucket car, wherein the vertical rails are fixedly connected to the edge of the floor, and a plurality of vertical sliders are provided on the rear side of the sliding frame, and the vertical sliders and the vertical rails matched therewith can be slidably matched, and a lifting ring is fixedly connected to the rear side of the sliding frame, and the sliding frame comprises four columns, and the top ends of the four columns are commonly fixedly connected to a supporting platform, and the top wall of the supporting platform is provided with two air-avoiding grooves, which are arranged in the longitudinal direction, and the cross-sectional profiles of the left inner wall and the right inner wall of the air-avoiding groove are both in the shape of two-stage steps, so that the air-avoiding groove is divided into a primary step groove located at the lower side and a secondary step groove located at the upper side, and the left groove wall of the primary step groove is arranged in the longitudinal direction, and the right groove wall of the primary step groove is inclined from the back to the front toward the left groove wall of the primary step groove. The present invention relates to a method for using a lifting unloading platform. The present invention enables the carrying process to be completed in one step, saving time and manpower, thereby improving construction efficiency.

Description

Technical Field

[0001] The invention relates to the field of building construction equipment, and in particular to a lifting unloading platform and a use method thereof. Background Art

[0002] See Fig. 20 In the prior art, a vertical track is arranged at the edge of a construction building, the vertical track is connected with a lifting unloading platform, and the lifting unloading platform is provided with a fence. The lifting unloading platform can rise and fall along the vertical track.

[0003] When the building structure of the next floor is cast and finalized, the formwork and formwork support tooling used to cast the building structure of this floor can be disassembled and placed on the lifting unloading platform. Then, the lifting unloading platform is moved up to the upper floor, and workers can take the formwork and formwork support tooling at the lifting unloading platform of the upper floor and perform casting construction on the upper floor, so as to improve the transportation efficiency of the formwork and tooling, thereby improving the construction efficiency.

[0004] However, in the prior art, when the lifting unloading platform rises to the upper floor, workers need to use an additional small bucket truck to transport the formwork and formwork supporting tooling on the lifting unloading platform to the construction site on the upper floor in multiple times. This process consumes time and manpower, limiting construction efficiency. Summary of the invention

[0005] The purpose of the present invention is to provide a lifting unloading platform and a method for using the same, wherein the lifting unloading platform is equipped with a bucket cart. When the lifting unloading platform moves to the target floor, the bucket cart provided on the lifting unloading platform can be unloaded and moved to the construction position on the target floor, so that the transportation process can be completed in one step, saving time and manpower, thereby improving construction efficiency.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A lifting unloading platform comprises two vertical rails, a sliding frame and a bucket car. The vertical rails are fixedly connected to the edge of the floor. A plurality of vertical sliders are arranged on the rear side of the sliding frame. The vertical sliders and the vertical rails matched therewith can be slidably matched. A lifting ring is fixedly connected to the rear side of the sliding frame. The sliding frame comprises four columns. The top ends of the four columns are commonly fixedly connected to a supporting platform. The top wall of the supporting platform is provided with two air-avoiding grooves. The air-avoiding grooves are arranged in the longitudinal direction. The cross-sectional profiles of the left inner wall and the right inner wall of the air-avoiding groove are both in the form of two-stage steps. The avoidance groove is divided into a primary step groove located at the lower side and a secondary step groove located at the upper side. The left groove wall of the primary step groove is arranged along the longitudinal direction. The right groove wall of the primary step groove is inclined from the back to the front toward the left groove wall of the primary step groove. The bottom wall of the bucket car is provided with front and rear pairs of rollers. The pair of rollers located at the rear side are universal rollers. The lateral width of the rollers located at the front side corresponds to the width of the narrowest part of the front end of the primary step groove. The rear wall of the bucket car is provided with an opening. The bottom wall of the bucket car is provided with four positioning holes. The four positioning holes are rectangular. The bottom ends of the four columns are fixedly connected to a lower frame, the lower frame is fixedly connected to a connecting arm, the connecting arm is fixedly connected to an adjusting motor and a gear mounting seat, the gear mounting seat is rotatably connected to a hollow shaft, the lower end of the hollow shaft is fixedly sleeved with an adjusting gear, the upper end of the hollow shaft is fixedly connected to a horizontal swing frame, the horizontal swing frame is located on the bottom side of the supporting platform, the horizontal swing frame is fixedly connected to four screw mounting seats, the screw mounting seats are fixedly connected to a transverse screw mechanism, and the screw nut outer fixing sleeve of the transverse screw mechanism A push-up slider is provided, a transverse guide rail is fixedly connected to the bottom wall of the screw mounting seat, the bottom of the push-up slider is slidably connected to the transverse guide rail, the supporting platform is provided with four through holes, the horizontal swing frame is fixedly connected with four limit sleeves, the limit sleeves are arranged in the corresponding through holes, an adjustment gap is left between the outer wall of the limit sleeve and the inner wall of the through hole, a positioning rod is slidably penetrated by the limiting sleeve, the positioning rod is adapted to the positioning hole, a contact roller is provided at the bottom end of the positioning rod, and the contact roller contacts the top wall of the push-up slider.

[0008] Specifically, a transverse positioning convex strip is provided on the front side of the top wall of the supporting platform. When the roller enters the avoidance groove and contacts the bottom wall of the avoidance groove, the bottom wall of the bucket car and the top wall of the supporting platform can be slidably pressed against each other.

[0009] Specifically, the top wall of the push-up slider is provided with a lower pole position step, an insertion positioning step and an upper pole position step. The horizontal positions of the lower pole position step, the insertion positioning step and the upper pole position step rise in sequence. The lower pole position step is connected to the insertion positioning step by an inclined plane, and the insertion positioning step is connected to the upper pole position step by an inclined plane. A tension spring is connected between the lower end of the positioning rod and the push-up slider.

[0010] Specifically, the positioning rod is in the shape of a stepped shaft, the upper section of the positioning rod is the mating section, and the lower section of the positioning rod is the extending section. The diameter of the mating section is larger than that of the extending section. A limiting rod is fixedly provided on the inner wall of the limiting sleeve, and the limiting rod is arranged radially. A vertical guide groove is provided on the outer wall of the mating section. The limiting rod and the vertical guide groove are slidably matched. The top edge of the mating section is provided with a rod end chamfer, and the edge of the positioning hole is provided with a hole edge chamfer.

[0011] Specifically, the supporting platform is provided with four transverse air avoidance holes, and two transverse air avoidance holes are provided on each of the two transverse sides of the bucket car installation position. The four corners of the horizontal swing frame are fixedly connected with swing arm mounting seats, and the swing arm mounting seats are hinged with a locking swing arm. A limit hook is provided at the top of the locking swing arm, and a long sliding hole is provided at the lower end of the locking swing arm. The swing arm mounting seat is provided with a transverse cylinder, and the piston rod of the transverse cylinder is connected to the long sliding hole by a pin. Limit strips are provided on both transverse sides of the bucket car, and the limit hooks can swing until they hook the limit strips.

[0012] Specifically, the horizontal swing frame is fixedly connected with a transverse C-shaped beam, the notch of which faces downward, the top of the hollow rotating shaft is fixedly connected with a C-shaped connecting seat, and the two side walls of the C-shaped connecting seat are connected with the two groove walls of the transverse C-shaped beam.

[0013] Specifically, the hollow rotating shaft and the four positioning rods are all arranged vertically, and the common rotation center of the four positioning rods is colinear with the central axis of the hollow rotating shaft.

[0014] The method for using the lifting unloading platform includes the following steps:

[0015] The first lifting step: the lifting rope is retracted and released to make the sliding frame rise and fall along the vertical track to the finished pouring floor, so that the bottom of the first-level step trough is flush with the floor of the finished pouring floor;

[0016] The bucket car enters the step: push the bucket car from the floor of the completed pouring floor to the supporting platform, so that the two front rollers and the two rear universal rollers of the bucket car enter the two first-level step grooves in sequence. When the bucket car moves forward, the right groove wall abuts against the right side walls of the two front rollers, and guides the two front rollers to gradually slide toward the left groove wall until one side of the front wall of the bucket car abuts against the transverse positioning convex strip. At this time, the angle between the front wall of the bucket car and the transverse positioning convex strip is θ;

[0017] Initial positioning step: Under normal conditions, the contact roller is at the lower extreme position step. At this time, the top of the matching segment is in the limiting sleeve. Driven by the transverse screw mechanism, the push slider moves horizontally, driving the matching segment to extend upward slowly until the rounded rod end at the top of the matching segment contacts the chamfer of the hole edge of the positioning hole of the bucket car. During this process, the rising height of the matching segment is h, and then the matching segment 561 is lowered and reset;

[0018] Fine-tuning positioning steps: the adjusting motor drives the adjusting gear to rotate, thereby driving the positioning rod to rotate △θ1 around the hollow rotating shaft, so that the deviation angle becomes θ-△θ1, and accordingly, the matching section 561 slowly extends upward until the rod end chamfer contacts the chamfer of the hole edge of the positioning hole of the bucket car. At this time, the rising height of the matching section is h+△h1, and then the matching section moves down and resets. The matching section repeats the fine-tuning positioning steps several times until the contact roller slides to the corresponding insertion positioning step. At this time, the rod end chamfer just enters the positioning hole, and the matching section just aligns with the positioning hole, that is, the horizontal swing frame completes the swing from the normal state to the target state, and each matching section just aligns with the corresponding positioning hole;

[0019] Insertion step: the push slider slides further, so that the upper extreme position step slides to support the contact roller, so that each matching segment is further inserted into the corresponding positioning hole, so that the horizontal swing frame and the bucket car are connected to each other, thereby locking the lateral and circumferential displacements of the bucket car;

[0020] Locking steps: Each lateral cylinder drives the corresponding locking swing arm to swing inward, so that each limit hook hooks the limit bar on the corresponding side of the bucket car to achieve locking of the vertical displacement of the bucket car;

[0021] Second lifting step: the lifting rope is retracted and released to lift the sliding frame to another floor, so that the bottom of the first step groove is flush with the top surface of the other floor;

[0022] Steps for moving the bucket cart out: swing each locking swing arm to its original position, lower each matching section to its original position, then drag the bucket cart backwards along the first-level step groove, and push the bucket cart to the position to be poured on another floor, then unload the formwork and tooling in the bucket cart to the position to be poured.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] The lifting unloading platform of the present invention is equipped with a bucket cart. When the supporting platform moves to the target floor, the bucket cart provided on the supporting platform can be unloaded and moved to the position to be poured on the target floor, so that the formwork and tooling carried by the bucket cart can be transferred to the position to be poured in one step, eliminating the process of using additional small bucket carts for multiple transportations, thereby saving time and manpower, and improving construction efficiency.

[0025] In order to solve the positioning and connection problems between the bucket car and the supporting platform, the supporting platform is specially provided with an air avoidance groove, which can quickly guide the bucket car for preliminary positioning, that is, the front wall side of the bucket car is against the horizontal positioning convex strip, and then the angle of the horizontal swing frame is adjusted to make the deflection angle of the four matching segments adapt to the angle deflection angle of the four positioning holes, making the positioning process more intelligent and efficient. After completing the positioning of the four matching segments, the four matching segments are inserted into the corresponding positioning holes, and the locking swing arm swings until the limit hook hooks the limit strip 33 to ensure a reliable connection between the bucket car and the supporting platform. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0027] Figure 1 This is a combined state view of the lifting unloading platform and the vertical track;

[0028] Figure 2 This is a view of the lifting unloading platform;

[0029] Figure 3 This is a view of the bucket truck;

[0030] Figure 4 Another view of the lifting unloading platform;

[0031] Figure 5 for Figure 4 A partial enlarged view of point A in the middle;

[0032] Figure 6 A view of the adjustment gear and related structures;

[0033] Figure 7 This is a view of the supporting platform;

[0034] Figure 8 It is a partial enlarged view of point B in the figure;

[0035] Fig. 9 Another view of the lifting unloading platform;

[0036] Fig.10 Another view of the lifting unloading platform;

[0037] Fig.11 A view of the ejector slider and related structures;

[0038] Fig.12 This is an exploded view of the positioning rod and the limiting sleeve;

[0039] Fig.13 is a view of the locking swing arm and related structure;

[0040] Fig.14 It is a top view schematic diagram of the combined state of the supporting platform and the horizontal swing frame;

[0041] Fig.15 This is a bottom view of the bucket truck;

[0042] Fig.16It is a top view schematic diagram of the combined state of the trolley and the supporting platform;

[0043] Fig.17 It is a comparison diagram of the positioning states of the positioning holes and the perforations;

[0044] Fig.18 It is a comparison diagram of the positioning states of the mating section and the perforations;

[0045] Fig.19 It is a comparison diagram of the positioning process of the mating section and the positioning holes;

[0046] Fig. 20 It is a view of the lifting and discharging platform in the prior art.

[0047] In the figure:

[0048] 1. Vertical track;

[0049] 2. Sliding frame; 21. Vertical slider; 22. Suspension ring; 23. Column; 24. Lower frame body; 25. Connecting arm body; 261. Adjusting motor; 262. Gear mounting seat; 263. Hollow rotating shaft; 2631. U-shaped connecting seat; 264. Adjusting gear; 265. Mounting column; 2651. Cylindrical roller thrust bearing;

[0050] 3. Trolley; 31. Roller; 311. Universal roller; 32. Positioning hole; 321. Chamfer at the hole edge; 33. Limiting strip;

[0051] 4. Supporting platform; 41. Clearance groove; 411. First-level stepped groove; 4111. Left groove wall; 4112. Right groove wall; 412. Second-level stepped groove; 42. Transverse positioning rib; 43. Perforation; 44. Transverse clearance hole;

[0052] 5. Horizontal swing frame; 501. Mounting plate; 51. Screw rod mounting seat; 52. Transverse screw rod mechanism; 521. Screw nut; 53. Pushing slider; 531. Lower extreme position step; 532. Insertion positioning step; 533. Upper extreme position step; 54. Transverse guide rail; 55. Limiting sleeve; 551. Adjustment gap; 552. Limiting rod; 56. Positioning insertion rod; 561. Mating section; 5611. Vertical guide groove; 5612. Rod end fillet; 562. Extended section; 57. Contact roller; 58. Tension spring; 59. Transverse U-shaped beam;

[0053] 6. Swing arm mounting seat; 61. Locking swing arm; 611. Limiting hook; 612. Long strip sliding hole; 62. Transverse cylinder. Specific implementation mode

[0054] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0055] See Figures 1 to 19 A lifting unloading platform includes two vertical rails 1, a sliding frame 2 and a bucket 3. The vertical rails 1 are fixed to the edge of the floor, and a plurality of vertical sliders 21 are provided on the rear side of the sliding frame 2. The vertical sliders 21 and the matching vertical rails 1 can be slidably matched. A lifting ring 22 is fixed to the rear side of the sliding frame 2.

[0056] The sliding frame 2 includes four columns 23, the top ends of the four columns 23 are fixedly connected to a supporting platform 4, and the top wall of the supporting platform 4 is provided with two air-avoiding grooves 41, which are arranged in the longitudinal direction. The cross-sectional profiles of the left inner wall and the right inner wall of the air-avoiding groove 41 are both in a two-stage step shape (see Figure 7 , Figure 8 ), so that the avoidance groove 41 is divided into a primary step groove 411 located at the lower side and a secondary step groove 412 located at the upper side. The left groove wall 4111 of the primary step groove 411 is arranged in the longitudinal direction, and the right groove wall 4112 of the primary step groove 411 is inclined from the back to the front toward the left groove wall 4111 of the primary step groove 411 (see Figure 8 ).

[0057] See Figure 3 The bottom wall of the bucket 3 is provided with two pairs of rollers 31, front and rear. The pair of rollers at the rear side is a universal roller 311. The lateral width of the roller 31 (non-universal roller) at the front side corresponds to the width of the narrowest part of the front end of the first-stage stepped groove 411. The rear wall of the bucket 3 is provided with an opening, and the bottom wall of the bucket 3 is provided with four positioning holes 32, which are distributed in a rectangular shape.

[0058] The bottom ends of the four columns 23 are fixedly connected to a lower frame 24, the lower frame 24 is fixedly connected to a connecting arm 25, and the connecting arm 25 is fixedly connected to an adjusting motor 261 and a gear mounting seat 262. Figure 6 The gear mounting seat 262 is fixedly connected with a mounting column 265, and the mounting column 265 is sleeved with two roller thrust bearings 2651, and the two roller thrust bearings 2651 grooves jointly support the hollow rotating shaft 263. The lower end of the hollow rotating shaft 263 is fixedly sleeved with an adjusting gear 264.

[0059] Combination Figure 6 , Fig.10 The upper end of the hollow rotating shaft 263 is fixedly connected with a horizontal swing frame 5, and the horizontal swing frame 5 is located at the bottom side of the supporting platform 4. The horizontal swing frame 5 is fixedly connected with four screw rod mounting seats 51, and the screw rod mounting seats 51 are fixedly connected with a transverse screw rod mechanism 52 (see Fig.11). A push-up slider 53 is fixedly sleeved outside the screw nut 521 of the transverse screw mechanism 52. A transverse guide rail 54 is fixedly connected to the bottom wall of the screw mounting seat 51, and the bottom of the push-up slider 53 is slidably connected to the transverse guide rail 54.

[0060] See Figure 7 The supporting platform 4 is provided with four through holes 43. Fig. 9 , Fig.10 The horizontal swing frame 5 is fixedly connected to two mounting plates 501, and the two mounting plates 501 are fixedly connected to four limiting sleeves 55, and the limiting sleeves 55 are arranged in the corresponding through holes 43 (see Figure 4 , Figure 5 ), an adjustment gap 551 is left between the outer wall of the limiting sleeve 55 and the inner wall of the through hole 43. Fig.11 , Fig.12 The limiting sleeve 55 is slidably provided with a positioning rod 56, and the positioning rod 56 is adapted to the positioning hole 32 (see Figure 3 A contact roller 57 is disposed at the bottom end of the positioning rod 56 , and the contact roller 57 contacts the top wall of the push-up slider 53 .

[0061] Specifically, a transverse positioning convex strip 42 is provided on the front side of the top wall of the supporting platform 4. When the roller enters the avoidance groove 41 and contacts the bottom wall of the avoidance groove 41, the bottom wall of the bucket 3 and the top wall of the supporting platform 4 can be slidably abutted. Figure 1 shown.

[0062] Specifically, see Fig.11 The top wall of the push-up slider 53 is provided with a lower pole step 531, an insertion positioning step 532 and an upper pole step 533, and the horizontal positions of the lower pole step 531, the insertion positioning step 532 and the upper pole step 533 are successively raised. The lower pole step 531 is connected to the insertion positioning step 532 through an inclined surface, and the insertion positioning step 532 is connected to the upper pole step 533 through an inclined surface. A tension spring 58 is connected between the lower end of the positioning rod 56 and the push-up slider 53.

[0063] Specifically, the positioning rod 56 is in the shape of a stepped shaft, the upper section of the positioning rod 56 is a matching section 561, the lower section of the positioning rod 56 is a protruding section 562, and the diameter of the matching section 561 is larger than that of the protruding section 562. Fig.12 The inner wall of the limiting sleeve 55 is fixedly provided with a limiting rod 552, which is arranged radially. The outer wall of the matching section 561 is provided with a vertical guide groove 5611, and the limiting rod 552 is slidably matched with the vertical guide groove 5611. The top edge of the matching section 561 is provided with a rod end chamfer 5612, and accordingly, the edge of the positioning hole 32 is provided with a hole edge chamfer 321 (see Figure 3 ).

[0064] Specifically, the supporting platform 4 is provided with four transverse avoidance holes 44, and two transverse avoidance holes 44 are provided on both sides of the installation position of the bucket car 3. The four corners of the horizontal swing frame 5 are fixedly connected with a swing arm mounting seat 6, and the swing arm mounting seat 6 is hinged with a locking swing arm 61 (see Fig.13 ), a limit hook 611 is provided at the top of the locking swing arm 61. A long sliding hole 612 is provided at the lower end of the locking swing arm 61, and a transverse cylinder 62 is provided at the swing arm mounting seat 6. The piston rod of the transverse cylinder 62 is connected to the long sliding hole 612 by a pin. Limit bars 33 are provided on both sides of the bucket 3, and the limit hook 611 can swing to hook the limit bar 33 (such as Figure 1 as shown).

[0065] Specifically, see Figure 6 , Fig. 9 , Fig.10 The horizontal swing frame 5 is fixedly connected with a transverse C-shaped beam 59, and the notch of the transverse C-shaped beam 59 faces downward. The top of the hollow rotating shaft 263 is fixedly connected with a C-shaped connecting seat 2631, and the two side walls of the C-shaped connecting seat 2631 are connected with the two groove walls of the transverse C-shaped beam 59.

[0066] Specifically, the hollow shaft 263 and the four positioning rods 56 are arranged vertically, and the common rotation center of the four positioning rods 56 is colinear with the central axis of the hollow shaft 263 (refer to Fig.18 ).

[0067] The working process of the lifting unloading platform of the present invention comprises the following steps:

[0068] The first lifting step: the lifting rope (connected to the lifting ring 22) is retracted and released to lift the sliding frame 2 along the vertical track 1 to the completed casting floor (not shown in the figure), so that the bottom of the first-level step trough 411 is flush with the floor of the completed casting floor.

[0069] The step of the bucket cart entering: push the bucket cart 3 (already loaded with the formwork and the formwork supporting tooling) from the floor of the completed pouring floor to the supporting platform 4, so that the two front rollers 31 and the two rear universal rollers 311 of the bucket cart 3 enter the two first-level step grooves 411 in turn.

[0070] When the bucket 3 moves forward, the right groove wall 4112 abuts against the right side wall of the two front rollers 31, and guides the two front rollers 31 to gradually slide toward the left groove wall 4111, until one side of the front wall of the bucket 3 abuts against the transverse positioning ridge 42, for example Fig.16 As shown in FIG. 1 , when the right side of the front wall of the bucket 3 is against the transverse positioning convex strip 42, since the bucket 3 is loaded with molds and tooling, its overall weight is relatively large. At this time, it is not convenient to adjust the bucket 3 to the left side of its front wall to also be against the transverse positioning convex strip 42. At this time, the angle formed by the front wall of the bucket 3 and the transverse positioning convex strip 42 is θ, so the four positioning holes 32 of the bucket 3 are not aligned with the corresponding through holes 43 (such as Fig.17 However, in the normal state, the four mating segments 561 are aligned with the corresponding through holes 43 (as shown in FIG. Fig.18 As shown in the "normal state" of FIG. 1 ), the four matching segments 561 need to be adjusted to fit the Fig.17 The angular positions of the four positioning holes 32 shown (i.e., adjusted to Fig.18 The "target state") can make the four matching segments 561 inserted into the corresponding through holes 43 to achieve the positioning of the bucket 3. Therefore, the horizontal swing frame 5 needs to be Fig.18 The "normal state" shown in the figure is based on the swing θ° to switch to Fig.18 The “target state” shown in the figure is realized through the following steps.

[0071] Initial positioning steps: Under normal conditions (see Fig.18 The contact roller 57 is at the lower extreme step 531 (see “normal state”). Fig.11 ), at this time, the top end of the matching section 561 is in the limiting sleeve 55 (refer to Fig.19 , at this time, the top position of the matching section 561 is at the hmin horizontal plane). Since the angle between the front wall of the bucket 3 and the transverse positioning convex strip 42 is θ, the central axis of the positioning hole 32 is not centered with the central axis of the matching section 561 (refer to Fig.19 "State 1"). Driven by the transverse screw mechanism 52, the push slider 53 moves horizontally, driving the matching section 561 to extend upward slowly until the rod end rounding 5612 at the top of the matching section 561 contacts the hole edge chamfer 321 of the positioning hole 32 of the bucket 3 (such as Fig.19 State 1), during this process, the height of the matching section 561 rising from the hmin horizontal plane is h, at which time the deviation angle between the central axis of the positioning hole 32 and the central axis of the matching section 561 is θ. Then, the matching section 561 descends and resets.

[0072] Fine-tune positioning steps: Combine Figures 17 to 19 The adjusting motor 261 drives the adjusting gear 264 to rotate, thereby driving the positioning rod 56 to rotate △θ1 around the hollow rotating shaft 263, so that the deviation angle becomes θ-△θ1. Accordingly, the matching section 561 slowly extends upward until the rod end chamfer 5612 contacts the hole edge chamfer 321 of the positioning hole 32 of the bucket car 3. At this time, the rising height of the matching section 561 is h+△h1 (such as Fig.19 Then, the mating section 561 moves downward to reset, and the mating section 561 repeats the fine adjustment positioning step several times until the contact roller 57 slides to the corresponding insertion positioning step 532 (refer to Fig.11 ), at this time, the rod end rounding 5612 just enters the positioning hole 32, and the matching section 561 just aligns with the positioning hole 32 (such as Fig.19State 3), that is, the horizontal swing frame 5 completes the swing from the normal state to the target state (see Fig.18 ), each matching segment 561 is aligned with the corresponding positioning hole 32 (combined Fig.17 , Fig.18 ).

[0073] Insertion step: Push the slider 53 to slide further, so that the upper step 533 slides to the position supporting the contact roller 57 (such as Fig.11 As shown), each matching segment 561 is further inserted into the corresponding positioning hole 32, so that the horizontal swing frame 5 and the bucket car 3 are connected to each other, thereby locking the lateral and circumferential displacements of the bucket car 3.

[0074] Lock Step: Binding Figure 1 , Fig.13 Each transverse cylinder 62 drives the corresponding locking swing arm 61 to swing inward, so that each limit hook 611 hooks the limit bar 33 on the corresponding side of the bucket car 3 to achieve locking of the vertical displacement of the bucket car 3.

[0075] Second lifting step: The lifting rope (not shown) is retracted and released to lift the sliding frame 2 to another floor, so that the bottom of the first-stage step groove 411 is flush with the top surface of another floor. Since the lateral, circumferential and vertical displacements of the bucket 3 are all locked, it is relatively still with the supporting platform 4. During the lifting and lowering process of the sliding frame 2, the bucket 3 will not shake and can maintain safe lifting and lowering.

[0076] Steps for moving the bucket cart out: swing each locking swing arm 61 to reset, and make each matching section 561 descend and reset, then drag the bucket cart 3 backward along the first-level step groove 411, and push the bucket cart 3 to the position to be poured on another floor, and then unload the formwork and tooling in the bucket cart 3 to the position to be poured.

[0077] The technical effects of the lifting unloading platform of the present invention are as follows:

[0078] The lifting unloading platform of the present invention is equipped with a bucket cart 3. When the supporting platform 4 moves to the target floor, the bucket cart 3 provided on the supporting platform 4 can be unloaded and moved to the position to be poured on the target floor, so that the formwork and tooling carried by the bucket cart 3 can be transferred to the position to be poured in one step, eliminating the process of using additional small bucket carts for multiple transportations, thereby saving time and manpower, and improving construction efficiency.

[0079] In order to solve the positioning and connection problems between the bucket 3 and the supporting platform 4, the supporting platform 4 is specially provided with an air avoidance groove 41, which can quickly guide the bucket 3 to perform preliminary positioning, that is, the front wall side of the bucket 3 is against the horizontal positioning convex strip 42, and then the angle of the horizontal swing frame 5 is adjusted to make the deflection angle of the four matching segments 561 adapt to the angle deflection angle of the four positioning holes 32, making the positioning process more intelligent and efficient. After completing the positioning of the four matching segments 561, the four matching segments 561 are inserted into the corresponding positioning holes 32, and the locking swing arm 61 swings until the limit hook 611 hooks the limit strip 33 to ensure that the connection between the bucket 3 and the supporting platform 4 is reliable.

[0080] The above are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form. Although the present invention has been disclosed as above in the form of preferred embodiments, it is not intended to limit the present invention. Any technical personnel in the field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A lifting unloading platform, characterized in that: The utility model comprises two vertical rails, a sliding frame and a bucket car. The vertical rails are fixedly connected to the edge of the floor. A plurality of vertical sliders are arranged on the rear side of the sliding frame. The vertical sliders and the matching vertical rails can be slidably matched. A lifting ring is fixedly connected to the rear side of the sliding frame. The sliding frame comprises four columns. The top ends of the four columns are commonly fixedly connected to a supporting platform. The top wall of the supporting platform is provided with two air avoidance grooves. The air avoidance grooves are arranged longitudinally. The cross-sectional profiles of the left inner wall and the right inner wall of the air avoidance groove are both in the shape of two levels of stairs, so that the air avoidance groove is divided into a primary step groove located on the lower side and a secondary step groove located on the upper side. The left groove wall of the primary step groove is arranged longitudinally. The right groove wall of the primary step groove is inclined from back to front toward the left groove wall of the primary step groove. The bottom wall of the bucket car is provided with front and rear pairs of rollers. The pair of rollers located on the rear side is The universal roller, the lateral width of the roller located on the front side corresponds to the narrowest width of the front end of the first-level step groove, the rear wall of the bucket car is provided with an opening, and the bottom wall of the bucket car is provided with four positioning holes, the four positioning holes are distributed in a rectangular shape, the bottom ends of the four columns are commonly fixed with a lower frame, the lower frame is fixed with a connecting arm body, the connecting arm body is fixed with an adjusting motor and a gear mounting seat, the gear mounting seat is rotatably connected with a hollow rotating shaft, the lower end of the hollow rotating shaft is fixedly sleeved with an adjusting gear, the upper end of the hollow rotating shaft is fixedly connected with a horizontal swing frame, the horizontal swing frame is located on the bottom side of the supporting platform, the horizontal swing frame is fixed with four screw mounting seats, the screw mounting seats are fixed with a transverse screw mechanism, the screw nut outer fixing sleeve of the transverse screw mechanism is provided with a push-up slider, the bottom wall of the screw mounting seat is fixed with a transverse guide The bottom of the push-up slider is slidably connected to the transverse guide rail, the supporting platform is provided with four through holes, and the horizontal swing frame is fixed with four limit sleeves, the limit sleeve is arranged in the corresponding through holes, and an adjustment gap is left between the outer wall of the limit sleeve and the inner wall of the through hole, and the limit sleeve is slidably penetrated with a positioning rod, and the positioning rod is adapted to the positioning hole, and a contact roller is provided at the bottom end of the positioning rod, and the contact roller contacts the top wall of the push-up slider, and the top wall of the push-up slider is provided with a lower pole step, an insertion positioning step and an upper pole step, and the horizontal positions of the lower pole step, the insertion positioning step and the upper pole step rise in sequence, and the lower pole step is connected to the insertion positioning step by an inclined plane, and the insertion positioning step is connected to the upper pole step by an inclined plane, and the lower end of the positioning rod is connected to the push-up slider A tension spring is connected between them, the positioning rod is in the shape of a stepped shaft, the upper section of the positioning rod is a matching section, and the lower section of the positioning rod is an extended section. The diameter of the matching section is larger than that of the extended section. A limiting rod is fixedly arranged on the inner wall of the limiting sleeve, and the limiting rod is arranged radially. A vertical guide groove is arranged on the outer wall of the matching section. The limiting rod and the vertical guide groove can be slidably matched. A rod end rounding is arranged on the top edge of the matching section, and a hole edge chamfer is arranged on the edge of the positioning hole. Four horizontal avoidance holes are opened on the supporting platform, and two horizontal avoidance holes are arranged on each of the horizontal sides of the bucket car installation position. The four corners of the horizontal swing frame are fixedly connected with a swing arm mounting seat, and the swing arm mounting seat is hinged with a locking swing arm. A limiting hook is arranged on the top of the locking swing arm, and a long sliding hole is arranged on the lower end of the locking swing arm. The swing arm mounting seat is provided with a horizontal cylinder.The piston rod of the transverse cylinder is connected to the long sliding hole through a pin, and limit bars are provided on both sides of the bucket car, and the limit hook can swing to hook the limit bar.

2. The lifting unloading platform according to claim 1 is characterized in that: A transverse positioning convex strip is arranged on the front side of the top wall of the supporting platform. When the roller enters the avoidance groove and contacts the bottom wall of the avoidance groove, the bottom wall of the bucket car and the top wall of the supporting platform can be slidably pressed against each other.

3. The lifting unloading platform according to claim 1 is characterized in that: The horizontal swing frame is fixedly connected with a transverse shaped beam, the notch of which faces downwards, the top of the hollow rotating shaft is fixedly connected with a shaped connecting seat, and the two side walls of the shaped connecting seat are connected with the two groove walls of the transverse shaped beam.

4. The lifting unloading platform according to claim 1 is characterized in that: The hollow rotating shaft and the four positioning rods are all arranged vertically, and the common rotation center of the four positioning rods is colinear with the central axis of the hollow rotating shaft.

5. A method for using the lifting unloading platform according to any one of claims 1 to 4, characterized in that: The following steps are involved: The first lifting step: the lifting rope is retracted and released to make the sliding frame rise and fall along the vertical track to the finished pouring floor, so that the bottom of the first-level step trough is flush with the floor of the finished pouring floor; The bucket car enters the step: push the bucket car from the floor of the completed pouring floor to the supporting platform, so that the two front rollers and the two rear universal rollers of the bucket car enter the two first-level step grooves in sequence. When the bucket car moves forward, the right groove wall abuts against the right side walls of the two front rollers, and guides the two front rollers to gradually slide toward the left groove wall until one side of the front wall of the bucket car abuts against the transverse positioning convex strip. At this time, the angle between the front wall of the bucket car and the transverse positioning convex strip is θ; Initial positioning steps: Under normal conditions, the contact roller is at the lower extreme step. At this time, the top of the matching segment is in the limiting sleeve. Driven by the transverse screw mechanism, the push slider moves horizontally, driving the matching segment to extend upward slowly until the rounded end of the rod at the top of the matching segment contacts the chamfer of the hole edge of the positioning hole of the bucket car. During this process, the rising height of the matching segment is h, and then the matching segment descends and resets; Fine-tuning positioning steps: the adjusting motor drives the adjusting gear to rotate, thereby driving the positioning rod to rotate △θ1 around the hollow rotating shaft, so that the deviation angle becomes θ-△θ1. Correspondingly, the matching section slowly extends upward until the rod end chamfer contacts the chamfer of the hole edge of the positioning hole of the bucket car. At this time, the rising height of the matching section is h+△h1. Then, the matching section moves down and resets. The matching section repeats the fine-tuning positioning steps several times until the contact roller slides to the corresponding insertion positioning step. At this time, the rod end chamfer just enters the positioning hole, and the matching section just aligns with the positioning hole, that is, the horizontal swing frame completes the swing from the normal state to the target state, and each matching section just aligns with the corresponding positioning hole; Insertion step: the push slider slides further, so that the upper extreme position step slides to support the contact roller, so that each matching segment is further inserted into the corresponding positioning hole, so that the horizontal swing frame and the bucket car are connected to each other, thereby locking the lateral and circumferential displacements of the bucket car; Locking steps: Each lateral cylinder drives the corresponding locking swing arm to swing inward, so that each limit hook hooks the limit bar on the corresponding side of the bucket car to achieve locking of the vertical displacement of the bucket car; Second lifting step: the lifting rope is retracted and released to lift the sliding frame to another floor, so that the bottom of the first step groove is flush with the top surface of the other floor; Steps for moving the bucket cart out: swing each locking swing arm to its original position, lower each matching section to its original position, then drag the bucket cart backwards along the first-level step groove, and push the bucket cart to the position to be poured on another floor, then unload the formwork and tooling in the bucket cart to the position to be poured.

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