CN116675159A

CN116675159A - Combined lifting platform

Info

Publication number: CN116675159A
Application number: CN202310731985.4A
Authority: CN
Inventors: 邓正新; 邓学晟; 张建君; 杨俊君; 覃立; 邓冬林
Original assignee: Hunan Zhengxin Technology Development Co ltd
Current assignee: Hunan Zhengxin Technology Development Co ltd
Priority date: 2023-06-20
Filing date: 2023-06-20
Publication date: 2023-09-01

Abstract

The invention discloses a combined lifting platform which comprises a supporting bottom plate, wheels are arranged at four corners of the bottom of the supporting bottom plate, fixed supporting frames are arranged at two transverse ends of the upper part of the supporting bottom plate, fixed connecting plates are arranged between the top ends of the opposite inner sides of the fixed supporting frames, a bearing table is connected between the fixed supporting frames in a sliding manner, a control device is arranged on the inner surface of one transverse side of the bearing table, and anti-falling groups are arranged at four corners of the bottom of the bearing table. The beneficial effects of the invention are as follows: the invention has reasonable design and stable and firm overall structure, and can fix and limit the bearing table during normal construction and use, thereby ensuring the safety for construction and use; under the condition that a sling is broken and falls off in the lifting process of the bearing table, the bearing table can be subjected to emergency fixing and limiting, and the situation that the bearing table falls off is avoided; in addition, the structure that rotatory backup pad, lift backup pad and grafting pole that sets up in the plummer that sets up formed is convenient for satisfy the multiple demand of construction, and application scope is wider.

Description

Combined lifting platform

Technical Field

The invention relates to the technical field of building construction equipment, in particular to a combined lifting platform.

Background

At present, in the domestic building construction process, quality and quantity conservation is always the focus of attention of building construction enterprises. With the development of countries and the progress of society, large public venues are increasingly built. Along with the layer spacing is higher, when carrying out equipment installation and structure construction maintenance, traditional scaffold's setting up and removal are wasted time and energy, and on the other hand, when simple adoption ladder was ascended a height, operation instrument and material can't be placed again, therefore can not be used for great equipment installation and repair operation. Under other working conditions, the lifting vehicle rented is used for ascending and maintaining, so that the cost is high, and the lifting vehicle cannot enter and be used particularly in the area with limited space.

Chinese patent CN115140687a discloses a combined movable lifting platform, through the travelling wheel of base, make the platform remove nimble, but turnover use, after the platform removes to the construction station, receive and release the hoist cable through the hoist motor in order to set up the cushion cap at the target height for constructor can ascend a height construction fast, on the other hand, the cushion cap can stack a large amount of instruments, material equipment, and then makes things convenient for constructor's operation, has improved the efficiency of construction; it is also disclosed that when the set height of the bearing platform is adjusted, after the bearing platform 3 is lifted in place, the reset motor 235 rotates forward, the lifting cable 236 is put out, and the supporting leg is pushed down by the pushing piece 234 to turn down, so that the lower end of the supporting leg 233 is supported at the junction of the tooth root of the latch 212 and the upright post 21, and further the supporting legs 233 at two ends of the supporting beam 23 are arranged in a splayed shape to prevent the supporting beam 23 from falling down. The bolster prevents the cushion cap whereabouts under the support of the landing leg at both ends, ensures constructor's safety.

Although the bearing platform 3 in the above patent is lifted to a designated height, the lower ends of the supporting legs 233 are supported at the junction of the tooth root of the latch 212 and the upright post 21, so that the supporting legs 233 at the two ends of the supporting beam 23 are arranged in a splayed shape to prevent the supporting beam 23 from falling down; but in the lifting process of the bearing platform 3, the lifting cable is broken, and then no protection means is provided, so that the bearing platform 3 can fall down to cause certain potential safety hazards, and meanwhile, the bearing platform 3 is single in structure and difficult to meet the normal construction use requirements, and further development and improvement are required.

Disclosure of Invention

The invention aims to solve the problems that a bearing table in a combined lifting platform in the prior art lacks a protection means, is easy to fall, has a certain potential safety hazard, and is single in structure and difficult to meet the normal construction use requirement.

The invention realizes the above purpose through the following technical scheme: the utility model provides a combination formula lift platform, includes the supporting baseplate, supporting baseplate bottom four corners all is provided with the wheel, the horizontal both ends in supporting baseplate upper portion all are provided with fixed support frame, all be provided with fixed connection board between the top of the relative inboard of fixed support frame, sliding connection has the plummer between the fixed support frame, plummer horizontal one side internal surface is provided with controlling means, plummer bottom four corners all is provided with anti-falling subassembly, the horizontal both ends of supporting baseplate with all be provided with lifting unit between the fixed support frame, lifting unit one end with the plummer is connected.

Further, the fixed support frame includes the support frame body, support frame body bottom both ends with supporting baseplate fixed connection, support frame body inboard top with fixed connection board is connected, the vertical both sides surface top-down equidistance of support frame body is provided with a plurality of fixed spacing archs, the vertical both sides internal surface of support frame body all is provided with the rectangle recess, the horizontal both sides internal surface top-down equidistance of rectangle recess all is provided with the load-bearing spout, top-down equidistance is provided with a plurality of T type stopper in the rectangle recess, T type stopper bottom both ends stretch into respectively the inside of load-bearing spout of rectangle recess both sides, load-bearing spout bottom internal surface is provided with the jack groove, be provided with first spring in the jack groove, first spring inboard is provided with the direction plug rod, direction plug rod one end with T type stopper is connected.

Further, the plummer includes the plummer body, the horizontal both ends in plummer body top all are provided with the support curb plate, the vertical both ends in plummer body top all are provided with the baffle, the plummer body with the horizontal one side of support curb plate all with the horizontal one side internal surface sliding connection of support frame body, the horizontal both sides surface of plummer body all is provided with rings, the vertical both ends in plummer body bottom all are provided with the supporting bench, the vertical one end of plummer body the baffle top articulates there is rotatory backup pad, and the other end the baffle top is provided with the lift backup pad, the horizontal one side internal surface of support curb plate all is provided with the safety ring, controlling means sets up safe one side the curb plate internal surface of support ring, the controlling means below is provided with the instrument case, the horizontal both ends of rotatory backup pad internal surface all are provided with the safety guard plate, rotatory backup pad is located the inboard of safety guard plate is provided with the go-between, the horizontal one side internal surface of safety guard plate is provided with the supporting plate, lift backup pad and the stopper, lift backup pad and fixed connection plug and stopper are all provided with to insert the fixed surface of threaded connection.

Further, support the curb plate top and all be provided with spacing subassembly, spacing subassembly includes the support connecting plate, support the connecting plate bottom with support curb plate top fixed connection, it transversely keeps away from to support the connecting plate support frame body one side and be provided with spacing connecting plate, spacing connecting plate is located support frame body vertical both sides all are provided with spacing plugboard, spacing plugboard with support connecting plate plug connection, support the connecting plate and be located spacing plugboard's grafting position and spacing plugboard top is provided with first spacing spliced eye and the spacing spliced eye of second respectively, first spacing spliced eye with peg graft between the spacing spliced eye of second and install the gag lever post.

Further, prevent weighing down the subassembly and include fixed socket, fixed socket top with the plummer body bottom is connected, fixed socket grafting is installed the direction plugboard, the direction plugboard is close to support frame body one end is provided with the removal limiting plate perpendicularly, fixed socket horizontal one side is provided with telescoping device, telescoping device one end with it is connected to remove the limiting plate, it is longitudinally keep away from to remove the limiting plate fixed socket one side corresponds rectangular groove position is provided with spacing backup pad, spacing backup pad horizontal both sides all are provided with the buffering friction block, buffering friction block one end is provided with the prismatic guide post, the prismatic guide post one end is passed remove limiting plate screw thread and install fixed limit nut, the prismatic guide post is located the buffering friction block with remove and be provided with the second spring between the limiting plate, the spacing backup pad is close to rectangular groove one end has the mounting groove, top-down equidistance is provided with a plurality of guide rolls in the mounting groove.

Further, the lifting assembly comprises a lifting motor and a supporting plug-in column, the lifting motor is installed at the top of the supporting bottom plate, a sling is installed on the lifting motor, the supporting plug-in column is in plug-in connection with the top of the supporting frame body, the supporting plug-in column is located at one end of the upper portion of the supporting frame body, a fixed limiting plate is installed at one end of the supporting frame body below, a fixed pulley is installed at one end of the supporting plug-in column, one end of the sling penetrates through the fixed pulley and is connected with the lifting ring, pressure sensors are arranged at the top of the supporting frame body at two longitudinal sides of the supporting plug-in column, and the top of the pressure sensors are in contact with the fixed limiting plate.

Further, the supporting baseplate top is located the inboard vertical both ends of fixed bolster all are provided with the subassembly that prevents inclining, prevent inclining the subassembly including setting up the rotation axis at the supporting baseplate top, rotation axis one side circumference surface mounting has the backup pad that prevents inclining, the backup pad one end screw thread that prevents inclining installs accommodate spindle, accommodate spindle top is provided with the regulation handle, and the bottom is provided with anti-skidding supporting base, adjust handle surface with anti-skidding supporting base bottom all has anti-skidding line.

Further, the supporting bottom plate is connected with the supporting frame body, the supporting frame body is connected with the fixed connecting plate, the bearing table body is connected with the supporting side plate, the bearing table body is connected with the baffle plate and the bearing table body is connected with the fixed connecting seat in a welding mode.

Further, a pushing handle is arranged on the outer surface of the support frame body at one transverse end of the support base plate, two wheels which are transversely close to one end of the pushing handle at the bottom of the support base plate are universal brake wheels, and two wheels at the other end of the support base plate are directional wheels.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention has reasonable design and stable and firm overall structure, and can fix and limit the bearing table during normal construction and use, thereby ensuring the safety for construction and use; under the condition that a sling is broken and falls off in the lifting process of the bearing table, the bearing table can be fixed and limited in an emergency mode, the situation that the bearing table falls off is avoided, and the safety of construction and use is further guaranteed; in addition, the structure formed by the rotary support plate, the lifting support plate and the plug-in rod in the arranged bearing table is convenient for meeting various requirements of construction, and has wider application range;

2. the fixed limiting bulge arranged in the fixed supporting frame can be matched with the limiting assembly, and the limiting plug board inserted on the supporting connecting board is supported and borne through the fixed limiting bulge, so that the fixed limiting of the bearing table which is lifted to the designated height is realized, the stability and the firmness in the normal use process are ensured, and the use safety is improved; the T-shaped limiting block arranged in the fixed supporting frame can play a role in supporting and bearing the limiting supporting plate entering the rectangular groove under the condition that the sling is broken or falls off, and can play a role in buffering the falling limiting supporting plate to a certain extent under the cooperation of the bearing sliding groove, the inserting groove, the first spring and the guiding inserting connecting rod, so that the limiting supporting plate is prevented from being broken due to rigid collision between the limiting supporting plate and the T-shaped limiting block, and the use safety is further improved;

3. the rotary supporting plate, the lifting supporting plate and the plug rod are arranged in the bearing table to form a structure, so that various construction requirements can be met, meanwhile, related materials for construction can be stored between the baffles, and the tool storage box is convenient for carrying tools with various construction requirements; the safety ring, the safety protection plate and the connecting ring are arranged in the structure, so that the personal safety of constructors in the construction operation process can be improved, and meanwhile, the supporting table is arranged, the anti-falling assembly is prevented from colliding with the supporting bottom plate, and the anti-falling assembly is protected; in addition, the limiting component arranged in the bearing table can be matched with the fixed limiting protrusion to realize fixed limiting on the bearing table which is lifted to the designated height, so that the stability and the firmness in the normal use process are ensured.

4. When the numerical value detected by the pressure sensor is changed greatly when the sling is broken or falls off, the telescopic device arranged in the anti-falling assembly can drive the movable limiting plate to move forward at the first time, so that the buffer friction block is firstly contacted with the support frame body to generate friction, the descending speed of the bearing table is reduced, then the limiting support plate can enter the rectangular groove, the T-shaped limiting plate supports and bears the bearing table, and therefore the situation that the limiting support plate is broken due to the fact that the limiting support plate brings large impact force to the T-shaped limiting block can be avoided, and further falling of the bearing table in the lifting process can be avoided;

5. the hoist cable in the elevating gear is driven and is born the tensile force that the in-process bore of bearing the weight of and lift can be under the conduction of supporting spliced pole and fixed limiting plate, converts pressure into and acts on pressure sensor, and the data real-time supervision hoist cable's that detects through pressure sensor integrity, it can be at hoist cable fracture or the very first time feedback to controlling means behind the slip, acts on the plummer through controlling means control anti-falling subassembly, fixes spacingly to the plummer.

Drawings

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

FIG. 2 is a left side view of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2;

FIG. 4 is a schematic perspective view of a fixed support frame according to the present invention;

FIG. 5 is a partial cross-sectional view of a stationary support frame of the present invention;

FIG. 6 is a schematic perspective view of a carrying platform according to the present invention;

FIG. 7 is an exploded view of the spacing assembly of the present invention;

FIG. 8 is a schematic perspective view of a fall arrest assembly according to the present invention;

fig. 9 is a schematic perspective view of an anti-tilting assembly according to the present invention.

In the figure: 1-supporting bottom plates, 2-wheels, 3-fixed supporting frames, 4-fixed connecting plates, 5-bearing tables, 6-control devices, 7-anti-falling assemblies, 8-lifting assemblies, 9-anti-tilting assemblies and 10-pushing hands;

301-a support frame body, 302-a fixed limit protrusion, 303-a rectangular groove, 304-a bearing chute, 305-a T-shaped limit block, 306-an inserting groove, 307-a first spring and 308-a guiding inserting rod;

501-bearing table body, 502-supporting side plate, 503-baffle, 504-hanging ring, 505-supporting table, 506-rotating supporting plate, 507-lifting supporting plate, 508-safety ring, 509-tool storage box, 510-safety protection plate, 511-connecting ring, 512-handle, 513-inserting rod, 514-fixed limiting block, 515-fixed adjusting bolt and 516-limiting component;

5161-supporting connection plates, 5162-limiting connection plates, 5163-limiting plug plates, 5164-first limiting plug holes, 5165-second limiting plug holes and 5166-limiting rods;

701-fixed plug seat, 702-guiding plug board, 703-moving limit board, 704-telescopic device, 705-limit support board, 706-buffer friction block, 707-prismatic guiding column, 708-fixed limit nut, 709-second spring, 710-mounting groove and 711-guiding roller.

801-a lifting motor, 802-a supporting plug-in column, 803-a sling, 804-a fixed limiting plate, 805-a fixed pulley and 806-a pressure sensor;

901-rotation shaft, 902-anti-tilting support plate, 903-adjusting screw rod, 904-adjusting handle, 905-anti-skid support base.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present invention, it should be understood that the terms "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

The combined lifting platform comprises a supporting bottom plate 1, wheels 2 are arranged at four corners of the bottom of the supporting bottom plate 1, fixed supporting frames 3 are arranged at two transverse ends of the upper portion of the supporting bottom plate 1, fixed connecting plates 4 are arranged between the tops of the opposite inner sides of the fixed supporting frames 3, a bearing table 5 is connected between the fixed supporting frames 3 in a sliding mode, a control device 6 is arranged on the inner surface of one transverse side of the bearing table 5, anti-falling assemblies 7 are arranged at four corners of the bottom of the bearing table 5, lifting assemblies 8 are arranged between the two transverse ends of the supporting bottom plate 1 and the fixed supporting frames 3, and one end of each lifting assembly 8 is connected with the bearing table 5.

As shown in fig. 4 to 5, the fixed support 3 includes a support body 301, two ends of the bottom of the support body 301 are fixedly connected with the support base plate 1, the top end of the inner side of the support body 301 is connected with the fixed connection plate 4, and the stability and firmness of the structure of the support body 301 are reinforced; a plurality of fixed limit protrusions 302 are equidistantly arranged on the outer surfaces of the two longitudinal sides of the support frame body 301 from top to bottom and are matched with limit assemblies 516 to ensure stability and firmness of the bearing table 5 during normal use and construction, so that falling is avoided, and use safety is improved; the inner surfaces of the two longitudinal sides of the supporting frame body 301 are provided with rectangular grooves 303, the inner surfaces of the two transverse sides of the rectangular grooves 303 are provided with bearing sliding grooves 304 from top to bottom at equal intervals, a plurality of T-shaped limiting blocks 305 are arranged in the rectangular grooves 303 from top to bottom at equal intervals, two ends of the bottom of each T-shaped limiting block 305 extend into the bearing sliding grooves 304 on the two sides of the rectangular grooves 303 respectively, inserting grooves 306 are formed in the inner surfaces of the bottoms of the bearing sliding grooves 304, first springs 307 are arranged in the inserting grooves 306, guide inserting rods 308 are arranged on the inner sides of the first springs 307, in addition, dampers are further arranged between the inner surfaces of the bottoms of the bearing sliding grooves 304 and the bottoms of the T-shaped limiting blocks 305, one ends of the guide inserting rods 308 are connected with the T-shaped limiting blocks 305, wherein the T-shaped limiting blocks 305 can play a role in supporting and bearing the limiting supporting of the limiting supporting plates 705 entering the rectangular grooves 303 under the matching of the bearing sliding grooves 304, the inserting grooves 306, the first springs 307, the dampers and the guide inserting rods 308 play a role in buffering the limiting supporting plates 705 to a certain role, and the limiting supporting plates 705 are prevented from being broken due to rigid collision between the limiting supporting plates 705 and the T-shaped limiting blocks 305.

As shown in fig. 6, the bearing table 5 includes a bearing table body 501, two lateral ends of the top of the bearing table body 501 are both provided with supporting side plates 502, two longitudinal ends of the top of the bearing table body 501 are both provided with baffles 503, one lateral side of the bearing table body 501 and the supporting side plates 502 are both slidingly connected with the inner surface of one lateral side of the supporting frame body 301, and two lateral side outer surfaces of the bearing table body 501 are both provided with hanging rings 504, so that the bearing table body 501 can be lifted normally by matching with the supporting frame body 301 and the lifting assembly 9; support tables 505 are arranged at the two longitudinal ends of the bottom of the bearing table body 501, so that the anti-falling assembly 7 is prevented from colliding with the support bottom plate 1, and the anti-falling assembly 7 is protected; the baffle 503 top of the vertical one end of plummer body 501 articulates there is rotatory backup pad 506, the baffle 503 top of the other end is provided with lift backup pad 507, the horizontal one side internal surface of backup pad 502 all is provided with safe ring 508, controlling means 6 sets up the backup pad 502 internal surface in safe ring 508 one side, controlling means 6 below is provided with the instrument and deposits case 509, the horizontal both ends of rotatory backup pad 506 internal surface all are provided with safety shield 510, rotatory backup pad 506 is located the inboard of safety shield 510 and is provided with go-between 511 and safe ring 508, the horizontal one side internal surface of safety shield 510 is provided with handle 512, lift backup pad 507 both ends and support frame body 301 internal surface sliding connection, lift backup pad 507 bottom equidistance is provided with plug rod 513, plug rod one end and baffle 503 plug connection, rotatory backup pad 506 and lift backup pad 507 internal surface all are provided with fixed stopper 514, fixed stopper 514 threaded connection has fixed adjusting bolt 515, be applicable to the different demands of operation during construction, the security of construction use is improved simultaneously.

As shown in fig. 7, the top of the supporting side plate 502 is provided with a limiting component 516, the limiting component 516 includes a supporting connecting plate 5161, the bottom of the supporting connecting plate 5161 is fixedly connected with the top of the supporting side plate 502, one side of the supporting connecting plate 5161, which is transversely far away from the supporting frame body 301, is provided with a limiting connecting plate 5162, the two sides of the supporting frame body 301, which are located on the longitudinal side, of the limiting connecting plate 5162 are provided with limiting inserting plates 5163, the limiting connecting plate 5163 is in inserting connection with the supporting connecting plate 5161, the supporting connecting plate 5161 is located at the inserting position of the limiting inserting plates 5163, the top of the limiting inserting plates 5163 is respectively provided with a first limiting inserting hole 5164 and a second limiting inserting hole 5165, a limiting rod 5166 is inserted between the first limiting inserting hole 5164 and the second limiting inserting hole 5165, the limiting inserting holes 5163 is supported by the fixing limiting protrusions 302, and the stability of the positions of the limiting inserting plates 5163 and the limiting connecting plates 5162 is guaranteed, and the stability of the position of the bearing table 5 during normal use construction is further, safety in use is improved.

As shown in fig. 8, the anti-falling component 7 includes a fixed socket 701, the top of the fixed socket 701 is connected with the bottom of the bearing table body 501, a guiding plug board 702 is inserted into the fixed socket 701, a moving limiting board 703 is vertically arranged at one end of the guiding plug board 702 close to the supporting frame body 301, a telescopic device 704 is arranged at one lateral side of the fixed socket 701, one end of the telescopic device 704 is connected with the moving limiting board 703, a limiting supporting board 705 is arranged at a position, which is longitudinally far away from one side of the fixed socket 701 and corresponds to the rectangular groove 303, the telescopic device 704 drives the moving limiting board 703 to advance after the pressure sensor 8406 in the lifting component 8 detects that the sling 803 breaks or falls off, so that the limiting supporting board 705 stretches into the rectangular groove 303, and supports and bears the limiting supporting board 705 through a T-shaped limiting block 305, thereby realizing timely fixed limiting of the bearing table 5 when the sling 803 breaks or falls off, and avoiding the falling situation; the buffer friction blocks 706 are arranged on two lateral sides of the limit supporting plate 705, the prismatic guide columns 707 are arranged at one end of the buffer friction blocks 706, the fixed limit nuts 708 are arranged at one end of the prismatic guide columns 707 in a threaded manner through the movable limit plate 703, the second springs 709 are arranged between the buffer friction blocks 707 and the movable limit plate 703, the buffer friction blocks 707 can be contacted with the supporting frame body 301 in advance before the limit supporting plate 705 stretches into the rectangular groove 303, the descending speed of the bearing table 5 can be reduced due to friction force generated after the buffer friction blocks 707 are contacted, and therefore the impact force of the limit supporting plate 705 to the T-shaped limit block 305 is reduced while the limit supporting plate 705 enters the rectangular groove conveniently; the limit supporting plate 705 is close to one end of the rectangular groove 303 and is provided with a mounting groove 710, a plurality of guide rollers 711 are equidistantly arranged in the mounting groove 710 from top to bottom, and the limit supporting plate 705 can enter the rectangular groove 303 conveniently.

As shown in fig. 2 to 3, the lifting assembly 8 includes a lifting motor 801 and a supporting plug-in column 802, the lifting motor 801 is mounted at the top of the supporting base plate 1, a sling 803 is mounted on the lifting motor 801, the supporting plug-in column 802 is connected with the top of the supporting frame body 301 in a plug-in manner, a fixed limiting plate 804 is mounted at one end of the supporting plug-in column 802 above the supporting frame body 301, a fixed pulley 805 is mounted at one end of the supporting plug-in column 802 below the supporting frame body 301, one end of the sling 803 passes through the fixed pulley 805 to be connected with the lifting ring 504, a pressure sensor 806 is disposed at the top of the supporting frame body 301 at two longitudinal sides of the supporting plug-in column 802, the top of the pressure sensor 806 is contacted with the fixed limiting plate 804, lifting of the carrying platform 5 is realized by lifting the lifting motor 801, one end of the sling 803 passes through the top of the fixed pulley 805 to be connected with the lifting ring 504, in the process of driving the carrying platform 5 to lift, and according to the principle of the force, the fixed pulley 805 also bears a downward pulling force, the force is transmitted to the supporting plug-in column 802 and the fixed limiting plate 804, the force of the part is acted on a pressure sensor 806, and then the pressure sensor is monitored in real time.

As shown in fig. 1 and 9, the two longitudinal ends of the top of the supporting base plate 1, which are located at the inner side of the fixed supporting frame 3, are provided with anti-tilting assemblies 9, each anti-tilting assembly 9 comprises a rotating shaft 901 which is arranged at the top of the supporting base plate 1, an anti-tilting supporting plate 902 is mounted on one side of the circumferential surface of the rotating shaft 901, an adjusting screw 903 is mounted at one end of each anti-tilting supporting plate 902 in a threaded manner, an adjusting handle 904 is arranged at the top of each adjusting screw 903, an anti-skidding supporting base 905 is arranged at the bottom of each adjusting handle 904, anti-skidding patterns are formed on the outer surface of each adjusting handle 904 and the bottom of each anti-skidding supporting base 905, the anti-tilting assembly 9 plays a role in supporting the whole device, and the phenomenon that tilting easily occurs is avoided.

The supporting bottom plate 1 is connected with the supporting frame body 301, the supporting frame body 301 is connected with the fixed connecting plate 4, the bearing table body 501 is connected with the supporting side plate 502, the bearing table body 501 is connected with the baffle 503 and the bearing table body 501 is connected with the fixed plug seat 701 in a welding mode, so that the stability and the firmness of the connecting structure are ensured, the use safety is improved, and the service life is prolonged; the outer surface of the support frame body 301 at one transverse end of the support base plate 1 is provided with a push handle 10, two wheels 2 at the bottom of the support base plate 1, which are transversely close to one end of the push handle 10, are universal brake wheels, and two wheels 2 at the other end of the support base plate are directional wheels, so that the device can be conveniently moved to different positions integrally; the telescopic device 704, the lifting motor 801 and the pressure sensor 806 are electrically connected with the control device 6, so that the working states of the telescopic device 704 and the lifting motor 801 are controlled conveniently, signals transmitted by the pressure sensor 806 are received simultaneously, the telescopic device 704 is one of an air cylinder, a hydraulic cylinder and an electric telescopic rod, the lifting motor 801 comprises a servo motor with a brake, and a winding roller with a sling 803 is arranged on the servo motor.

When the lifting device is used, materials and tools which can be used for construction are respectively placed between the baffles and in the tool storage box, then constructors enter between the baffles at the upper part of the bearing table body, one end of a safety rope for overhead working is connected to the safety ring, then a lifting motor can be controlled by a control device to tighten a sling, the bearing table is driven to integrally lift under the cooperation of the fixed pulleys, after the lifting device is lifted to a specified height position, a limiting plug board is inserted into a supporting connecting board, one end of the limiting plug board is positioned on a fixed limiting bulge, then a limiting rod is inserted between a first limiting hole and a second limiting hole, and the bearing table is fixedly limited; then according to the actual use, the height of the lifting support plate is adjusted through a fixed adjusting bolt, or a rotary support plate is put down between a safety ring and a connecting ring for construction operation, and the operation is reversed according to the steps after the construction is finished; under the circumstances that the hoist cable fracture or landing appears in the normal in-process that goes up and down of plummer, the hoist cable will reduce by a wide margin to the tensile force that the fixed pulley applyed, and then under the conduction of supporting grafting post, fixed limiting plate also can reduce by a wide margin to the pressure that pressure sensor applyed, this moment pressure sensor will detect the signal transmission of data change to controlling means, controlling means can first time control telescoping device drive and remove the limiting plate and advance, it is the buffering friction block to remove the limiting plate back to advance, it is the buffering friction block to contact with the support frame body first, reduce the speed that the plummer descends through the frictional force that produces between buffering friction block and the support frame body, avoid spacing backup pad directly to get into the rectangular groove back to drive the great impact force of T type stopper, then spacing backup pad continues to advance towards rectangular groove direction, if touch T type stopper side can not get into when entering, then get into in the rectangular groove below the direction of T type stopper under the guide roller, until spacing backup pad one end gets into rectangular groove inside and the guide roller and the vertical one side internal surface of rectangular groove contacts, the telescoping device stops working, T type stopper below can support the limiting backup pad and lift, and the T type backup pad can be carried out supporting at first time with the support friction block, and the supporting down, the speed that the plummer produced between the supporting bar and the supporting bar is broken down through buffering effect and the landing bar is avoided, and the landing down to realize the situation that the collision between the supporting bar and the supporting bar is broken down, and the supporting bar can be broken down, and the supporting down and the supporting bar is avoided and the supporting down.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides a combination formula lift platform, includes supporting baseplate (1), supporting baseplate (1) bottom four corners all is provided with wheel (2), its characterized in that: the utility model discloses a supporting baseplate, including supporting baseplate (1), supporting baseplate (5), supporting baseplate (1), fixed support frame (3), elevating assembly (8) one end, elevating assembly (5) are connected with, fixed support frame (3) upper portion transverse both ends all are provided with fixed support frame (3), all be provided with fixed connection board (4) between the top of fixed support frame (3) inboard relatively, sliding connection has plummer (5) between fixed support frame (3), plummer (5) transverse one side internal surface is provided with controlling means (6), plummer (5) bottom four corners all are provided with anti-falling subassembly (7), supporting baseplate (1) transverse both ends with all be provided with elevating assembly (8) between fixed support frame (3), elevating assembly (8) one end with plummer (5) are connected.

2. The combined lifting platform of claim 1, wherein the fixed supporting frame (3) comprises a supporting frame body (301), two ends of the bottom of the supporting frame body (301) are fixedly connected with the supporting bottom plate (1), the top end of the inner side of the supporting frame body (301) is connected with the fixed connecting plate (4), a plurality of fixed limit protrusions (302) are equidistantly arranged on the outer surfaces of two longitudinal sides of the supporting frame body (301) from top to bottom, rectangular grooves (303) are formed in the inner surfaces of two longitudinal sides of the supporting frame body (301), bearing sliding grooves (304) are equidistantly arranged on the inner surfaces of two transverse sides of the rectangular grooves (303) from top to bottom, a plurality of T-shaped limiting blocks (305) are equidistantly arranged in the rectangular grooves (303), two ends of the bottom of the T-shaped limiting blocks (305) extend into the inner parts of the bearing sliding grooves (304) on two sides of the rectangular grooves (303) respectively, inserting grooves (306) are formed in the inner surfaces of the bottom of the bearing sliding grooves (304), first springs (307) are arranged in the inserting grooves (306), guide inserting grooves (308) are formed in the inner sides of the first springs (307), and one ends of the guide inserting grooves (308) are connected with the T-shaped limiting blocks (308).

3. A combined lifting platform according to claim 2, wherein the bearing table (5) comprises a bearing table body (501), support side plates (502) are arranged at the top transverse two ends of the bearing table body (501), baffle plates (503) are arranged at the top longitudinal two ends of the bearing table body (501), the bearing table body (501) and the support side plates (502) are in sliding connection with the inner surface of the transverse side of the supporting frame body (301), hanging rings (504) are arranged on the outer surfaces of the transverse two sides of the bearing table body (501), supporting tables (505) are arranged at the bottom longitudinal two ends of the bearing table body (501), a rotary supporting plate (506) is hinged at the top of the baffle plates (503) at one longitudinal end of the bearing table body (501), lifting supporting plates (507) are arranged above the baffle plates (503) at the other longitudinal end, safety rings (508) are arranged on the inner surface of the transverse side of the support side plates (502), safety rings (508) are arranged on the inner surface of the support side plates (502), lifting rings (504) are arranged on the outer surfaces of the transverse sides of the support side plates (6), tool boxes (509) are arranged at the two ends of the tool boxes (510), the utility model discloses a safety protection device, including support frame body (301) and rotatory backup pad (506), rotatory backup pad (506) are located the inboard of safety protection plate (510) is provided with go-between (511), go-between (511) with be provided with the safety rope between safety ring (508), safety protection plate (510) horizontal one side internal surface is provided with handle (512), lift backup pad (507) both ends with support frame body (301) internal surface sliding connection, lift backup pad (507) bottom equidistance is provided with spliced pole (513), spliced pole (513) one end with baffle (503) grafting connection, rotatory backup pad (506) with lift backup pad (507) internal surface all is provided with fixed stopper (514), fixed stopper (514) threaded connection has fixed adjusting bolt (515).

4. A combined lifting platform according to claim 3, wherein the top of the supporting side plate (502) is provided with a limiting assembly (516), the limiting assembly (516) comprises a supporting connecting plate (5161), the bottom of the supporting connecting plate (5161) is fixedly connected with the top of the supporting side plate (502), one side, which is transversely far away from the supporting frame body (301), of the supporting connecting plate (5161) is provided with a limiting connecting plate (5162), the limiting connecting plate (5162) is located on two longitudinal sides of the supporting frame body (301) and is provided with limiting inserting plates (5163), the limiting inserting plates (5163) are in inserting connection with the supporting connecting plates (5161), the supporting connecting plates (5161) are located in inserting positions of the limiting inserting plates (5163) and the tops of the limiting inserting plates (5163) are respectively provided with a first limiting inserting hole (5164) and a second limiting inserting hole (5165), and a limiting rod (66) is arranged between the first limiting inserting holes (5164) and the second limiting inserting holes (5165).

5. A modular lifting platform as claimed in claim 3, wherein the fall protection assembly (7) comprises a fixed plug seat (701), the top of the fixed plug seat (701) is connected with the bottom of the bearing platform body (501), a guide plug plate (702) is installed on the fixed plug seat (701) in a plug-in manner, a movable limit plate (703) is vertically arranged on one end of the guide plug plate (702) close to the support frame body (301), a telescopic device (704) is arranged on one transverse side of the fixed plug seat (701), one end of the telescopic device (704) is connected with the movable limit plate (703), a limit support plate (705) is arranged on one side of the movable limit plate (703) longitudinally far away from the fixed plug seat (701) corresponding to the position of the rectangular groove (303), a buffer friction block (706) is arranged on two transverse sides of the limit support plate (707), a prismatic guide post (707) is arranged on one end of the buffer friction block (706), a fixed limit screw (708) is arranged on one end of the prismatic guide post (703) through the movable limit plate (703), a first prismatic guide post (707) and a buffer friction block (707) is arranged between the two limit plates (707), one end of the limit supporting plate (705) close to the rectangular groove (303) is provided with a mounting groove (710), and a plurality of guide rollers (711) are arranged in the mounting groove (710) from top to bottom at equal intervals.

6. The combined lifting platform according to claim 5, wherein the lifting assembly (8) comprises a lifting motor (801) and a supporting plug-in column (802), the lifting motor (801) is installed at the top of the supporting base plate (1), a sling (803) is installed on the lifting motor (801), the supporting plug-in column (802) is plug-in connected with the top of the supporting frame body (301), a fixed limiting plate (804) is installed at one end of the supporting plug-in column (802) above the supporting frame body (301), a fixed pulley (805) is installed at one end of the supporting plug-in column (802) below the supporting frame body (301), one end of the sling (803) penetrates through the fixed pulley (805) to be connected with the lifting ring (504), a pressure sensor (806) is arranged at the top of the supporting frame body (301) on two longitudinal sides of the supporting plug-in column (802), and the top of the pressure sensor is in contact with the fixed limiting plate (804).

7. The combined lifting platform of claim 1, wherein anti-tilting assemblies (9) are arranged at two longitudinal ends of the top of the supporting bottom plate (1) which are positioned on the inner side of the fixed supporting frame (3), each anti-tilting assembly (9) comprises a rotating shaft (901) arranged at the top of the supporting bottom plate (1), an anti-tilting supporting plate (902) is arranged on one side circumferential surface of each rotating shaft (901), an adjusting screw (903) is arranged at one end of each anti-tilting supporting plate (902) in a threaded mode, an adjusting handle (904) is arranged at the top of each adjusting screw (903), an anti-skidding supporting base (905) is arranged at the bottom of each adjusting handle, and anti-skidding patterns are formed on the outer surface of each adjusting handle (904) and the bottom of each anti-skidding supporting base (905).

8. A combined lifting platform according to claim 5, wherein the supporting bottom plate (1) is connected with the supporting frame body (301), the supporting frame body (301) is connected with the fixed connecting plate (4), the bearing table body (501) is connected with the supporting side plate (502), the bearing table body (501) is connected with the baffle plate (503) and the bearing table body (501) is connected with the fixed plug-in seat (701) in a welding mode.

9. The combined lifting platform according to claim 2, wherein a pushing handle (10) is arranged on the outer surface of the support frame body (301) at one transverse end of the support base plate (1), two wheels (2) at the bottom of the support base plate (1) which are transversely close to one end of the pushing handle (10) are universal brake wheels, and two wheels (2) at the other end of the support base plate are directional wheels.