CN220267151U - Lifting type supporting device - Google Patents

Abstract

The utility model discloses a lifting type supporting device, which comprises a foot rest, travelling wheels, a main body supporting frame, lifting positioning key pins, a lifting frame and a supporting platform, wherein: the foot rest and the travelling wheels are arranged at the lower part of the main body supporting frame, the lifting frame is arranged at the upper part of the main body supporting frame, and the supporting platform is arranged at the upper part of the lifting frame; the lifting frame vertical rod is inserted into the main body support frame vertical rod, equidistant vertical row holes are formed in the main body support frame vertical rod, lifting positioning key pins penetrate into one vertical row hole, and the lower end of the lifting frame vertical rod is supported by the lifting positioning key pins; the foot support comprises a main rod nut. When the support height is required to be higher, one or more sections of the upper connecting frames are arranged at the lower part of the main body support frame.

Description

Lifting type supporting device

Technical Field

The utility model relates to the field of constructional engineering, in particular to a lifting support frame.

Background

At present, the scaffold is strutted in construction of building engineering major structure, equipment installation temporary support, maintenance detection, high altitude operation, high altitude facilities installation maintenance, and fields such as industrial equipment installation maintenance often need erect support facilities and high altitude operation platform, and traditional connected mode mainly has following several: 1. a traditional scaffold is erected, and a plurality of steel pipes and pipe clamps are used for assembling a single scaffold into a space grid-shaped structure to serve as a temporary support and aerial operation platform for building construction. 2. And (5) erecting a traditional tool type scaffold. 3. Lifting equipment such as a crane is used; 4. the basket is hung on a higher building or structure by using the basket.

The four temporary support or aerial operation platforms are widely applied to construction, municipal and industrial engineering production applications, wherein the most commonly used traditional scaffold is labor-and time-consuming to set up and dismantle, the bearing capacity is low, and the production efficiency is low; the traditional tool type scaffold is a scaffold stool in popular terms, and is a simple temporary scaffold. Although convenient to carry and install, the bearing capacity is low, the height adjustment is limited greatly, the stability is poor, and the application range is small; lifting equipment such as cranes are not suitable for indoor and narrow space operation; the hanging basket and the like must have an air supporting point, and is only suitable for working with the outer wall of a building.

Disclosure of Invention

Therefore, the lifting type supporting device provided by the utility model can be conveniently and rapidly assembled, disassembled and moved during use, and is high in accuracy and controllability, and safe and convenient to use.

The utility model is realized by adopting the following technical scheme:

the utility model provides a lifting type strutting arrangement, includes foot rest, walking wheel, main part support frame, lift locating key pin, crane and supporting platform, wherein: the foot rest and the travelling wheels are arranged at the lower part of the main body supporting frame, the lifting frame is arranged at the upper part of the main body supporting frame, and the supporting platform is arranged at the upper part of the lifting frame; the lifting frame vertical rod is inserted into the main body support frame vertical rod, equidistant vertical row holes are formed in the main body support frame vertical rod, lifting positioning key pins penetrate into one vertical row hole, and the lower end of the lifting frame vertical rod is supported by the lifting positioning key pins; the foot rest comprises a main rod and a nut.

The lifting type supporting device comprises: the foot rest and the travelling wheels are arranged at the lower part of the overhead frame; the lower part of the main body supporting frame is provided with one or more sections of connecting overhead frames.

The lifting type supporting device comprises: the guardrail is arranged around the supporting platform.

The lifting type supporting device comprises: the foot rest comprises a foot rest main rod, a foot rest upper plate and a foot plate; the foot support mobile jib is equipped with the external screw thread, foot support mobile jib bottom is connected with the sole, the centre trompil of foot support upper plate passes the foot support mobile jib and makes the foot support upper plate install on the foot support mobile jib, nut threaded connection is on the foot support mobile jib and be located between foot support upper plate and the sole, foot support mobile jib upper portion is equipped with both ends convex key, the lower connecting plate of main part support frame pole setting or the lower connecting plate of overhead riser are equipped with the link plate pin keyhole that corresponds with adjustable foot support mobile jib, the pole setting of main part support frame or the pole setting of overhead all are hollow member, the foot support mobile jib inserts main part support frame or in the overhead pole setting from lower link plate pin keyhole, key and key dislocation.

The lifting type supporting device comprises: the walking wheel comprises a walking wheel fixing plate, a walking wheel vertical rod with external threads, a rotary hand wheel and a universal walking wheel; one end of the walking wheel fixing plate is welded to the vertical rod of the support frame or welded to the lower part of the vertical rod of the overhead frame, a threaded hole for the vertical rod of the walking wheel to pass through is formed in the other end of the walking wheel fixing plate, the vertical rod of the walking wheel with external threads passes through the threaded hole, a rotary hand wheel is arranged on the upper part of the vertical rod of the walking wheel, a universal walking wheel is connected to the lower part of the vertical rod of the walking wheel, and the walking wheel fixing plate is arranged between the rotary hand wheel and the universal walking wheel.

The lifting type supporting device comprises: the main body supporting frame is in a truss structure, the upper part of the main body supporting frame is provided with a stay cable lower fixing ring.

The lifting type supporting device comprises: the lifting support frame is characterized in that a stay cable upper fixing ring is arranged on the upper portion of the lifting frame, the lifting support frame further comprises a stay cable, the stay cable lower fixing ring on the stay cable connecting support frame and the lifting frame stay cable upper fixing ring are connected, and the stay cable is tensioned through a stay cable fastening bolt.

The lifting support frame, wherein: the overhead frame is of a truss structure.

The lifting type supporting device comprises: the lifting frame comprises 4 lifting frame vertical rods, 8 lifting frame upper connecting rods and lifting frame bracket; the 4 lifting frame vertical rods are hollow tubes, the lower parts of the 4 lifting frame vertical rods are inserted into the vertical rods of the main body support frame, and the inner bottom of the hollow tubes is provided with a vertical rod bottom inner sealing plate; and 2 parallel lifting frame upper connecting rods are connected to each side of the upper parts of the 4 lifting frame upright rods.

The lifting type supporting device comprises: the guardrail comprises a guardrail upright rod, an upright rod positioning key and a guardrail sealing rod; the lower part of the guardrail upright pole is provided with an upright pole positioning key, the top of the guardrail upright pole is provided with a guardrail sealing rod, the guardrail upright pole is downwards inserted into the platform side guardrail jack, and the upright pole positioning key is clamped above the platform side guardrail jack.

Drawings

FIG. 1 is a schematic view of the low, medium and high operating conditions of a crane;

FIG. 2 is an assembled elevation schematic view of a crane;

FIG. 3 is a construction view of a column shoe;

FIG. 4 is a schematic view of a road wheel;

FIG. 5 shows a main body support schematic elevation;

FIG. 6 is a schematic plan view of the main body support;

FIG. 7 is a schematic elevation view of a crane;

FIG. 8 is a top plan view of the lift;

FIG. 9 is a schematic elevation view of a support platform;

FIG. 10 is a schematic plan view of a support platform;

fig. 11 is a schematic elevation view of the overhead.

Reference numerals: a foot rest 1, a foot plate 11, a foot rest main rod 12, a main rod nut 13, a foot rest upper plate 14 and a foot rest pin key 15; the travelling wheels 2, the travelling wheel fixing plate 21, the travelling wheel rotating wheel 22, the travelling wheel vertical rod 23 and the universal travelling wheels 24; the main body support frame 3 comprises a main body support frame upright rod 31, a support frame lower connecting plate 32, a lower connecting plate bolt hole 33, a connecting plate pin key hole 34, a support frame lower connecting rod 35, a support frame diagonal brace 36, a support frame upper connecting rod 37, an upright rod hole 38 and a stay cable lower fixing ring 39; lifting and positioning the key pins 4, the key pin end plates 41, the key pin rods 42; the lifting frame 5, a lifting frame upright rod 51, a lifting frame upper connecting rod 52, a lifting frame bracket 53, bracket holes and bolts 54, an upright rod bottom inner sealing plate 55, a stay cable upper fixing ring 56, a stay cable 57 and a stay cable fastening bolt 58; the platform 6 is supported, a platform beam 61, a platform connecting rod 62, a platform connecting bolt hole 63, a platform side guard rail jack 64 and an upper deck 65; guardrail 7, guardrail pole 71, pole setting locating key 72, guardrail sealing pole 73.

Detailed Description

The following describes embodiments of the present utility model in detail with reference to FIGS. 1-11. The embodiments are exemplary only, and are not to be construed as limiting the utility model. It should be apparent that the described embodiments of the utility model are only some, but not all embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model.

Reference in the specification to "one embodiment" or "some embodiments" or the like means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the utility model. Thus, the terms "comprising," "including," "having," and variations thereof herein mean "including but not limited to," unless expressly specified otherwise.

As shown in fig. 1 to 11, a lifting support (lifting scaffold) of the present utility model comprises a foot rest 1, a travelling wheel 2, a main body support 3, a lifting positioning key pin 4, a lifting frame 5, a support platform 6, a guardrail 7 and a height-connecting frame 8.

Wherein the foot rest 1 and the travelling wheel 2 are arranged at the lower part of the main body supporting frame 3 or at the lower part of the height-connecting frame 8, the lifting frame 5 is arranged at the upper part of the main body supporting frame 3, the supporting platform 6 is arranged at the upper part of the lifting frame 5, and when the supporting platform 6 needs to be put on a person, the guardrail 7 is additionally arranged at the periphery of the supporting platform 6; equidistant vertical row holes 38 are formed in the vertical rods of the main body support frame 3, and the lower ends of the vertical rods 51 of the lifting frame are supported by penetrating lifting positioning key pins 4, so that different space height adjustment of the support platform 6 is realized; when the height of the support frame is higher, one or more sections of the upper support frame 8 are added at the lower part of the main body support frame 3, so that the higher space height of the support platform 6 is adjusted; the foot support main rod nut 13 is adjusted, so that the height and the vertical fine adjustment of the millimeter level of the support frame can be performed.

As shown in fig. 2, the assembly and installation sequence of the lifting frame are illustrated, the basic framework of the lifting frame is assembled by 4 basic unit modules such as a foot rest 1, a main body support frame 3, a lifting frame 5, a support platform 6 and the like, when the use function is extended, a guardrail 7 and a height-connecting frame 8 are additionally arranged, and the lifting frame consisting of 6 modules is formed, namely when a higher support height is needed, 1 section or a plurality of sections of height-connecting frames 8 are additionally arranged at the lower part of the main body support frame 3, when a person is needed to be put on the support platform, the guardrail 7 is inserted, and when the person is not put on the support platform, the guardrail 7 is not arranged; the utility model can be disassembled into 6 basic unit modules in the transportation and storage processes, thereby improving the transportation and storage efficiency.

As shown in fig. 3, fig. 3 (a) is an elevation view of a foot rest construction; FIG. 3 (b) is a schematic plan view of a foot rest; FIG. 3 (c) is a schematic diagram of a pegboard plug-in mounting; the foot rest 1 comprises a foot rest main rod 12, a foot rest upper plate 14 and a foot plate 11, wherein the foot rest main rod 12 is provided with external threads, the foot plate 11 is connected to the bottom of the foot rest main rod 12, a middle opening of the foot rest main rod 14 penetrates through the foot rest main rod 12 to enable the foot rest upper plate 14 to be installed on the foot rest main rod 12, a nut 13 is connected to the foot rest main rod 12 in a threaded manner, the nut is positioned between the foot rest upper plate 14 and the foot plate 11, the upper part of the foot rest main rod 12 is provided with two protruding pin keys 15, the lower connecting plate 32 of the main support rod 31 or the connecting plate 82 of the overhead upright rod 81 is provided with connecting plate pin key holes 34 and 84 corresponding to the adjustable foot rest main rod, the upright rod 31 of the main support frame 3 or the upright rod 81 of the overhead upright frame 8 are hollow rods, the foot rest main rod 12 is inserted into the main support frame or the overhead upright rod from the connecting plate key holes 34 and 84 of the lower connecting plate 32 or 82, and the inner diameter of the main support frame 31 is slightly larger than the length of the key pins 15, therefore the main rod 12 can be rotated to enable the pin keys 15 and the connecting plate key holes 34 and the connecting plate key holes 84 to be misplaced from the main rod 31 or the overhead upright rod 12 to prevent from falling from the upper support rod or the overhead upright rod 81. The rotating foot support main rod nut 13 drives the foot support upper plate 14 to ascend or descend, and can further drive the lower end plate 32 of the main body support frame upright rod 31 or the lower end plate 82 of the overhead upright rod 81 to move up and down, and the upper main body support frame or the overhead upright can move up and down slightly or incline slightly, so that the adjusting lifting frame is suitable for uneven ground height, small height adjustment and vertical maintenance.

As shown in fig. 4, the lower parts of the four upright posts of the main body support frame 3 or the overhead frame 8 are connected with lifting type universal walking wheels 2, and the walking wheels comprise walking wheel fixing plates 21, walking wheel upright posts 23 with external threads, rotating hand wheels 22 and universal walking wheels 24. Wherein one end of the walking wheel fixing plate 21 is welded to the vertical rod 31 of the support frame or the lower part of the vertical rod 81 of the overhead frame, the other end is provided with a threaded hole for the walking wheel vertical rod 23 to pass through, the walking wheel vertical rod 23 with external threads passes through the threaded hole, the upper part of the walking wheel vertical rod 23 is provided with a rotary hand wheel 22, the lower part is connected with a universal walking wheel 24, and the walking wheel fixing plate 21 is arranged between the rotary hand wheel 22 and the universal walking wheel 24; the walking wheel hand wheel 22 is rotated to drive the walking wheel vertical rod 23 to rotate, the walking wheel vertical rod 23 can adjust the height position of the universal walking wheel, when the universal walking wheel 2 is lowered and supported on the ground, the foot rest 1 is positioned on the upper part of the walking wheel, and the main body supporting frame 3 can apply small horizontal pushing force (pushing by hand) to push the supporting frame to move; when the walking wheel is lifted, the foot rest 1 is directly supported on the ground, and the main body support frame 3 can bear larger vertical load and has good stability.

As shown in fig. 5 and 6, fig. 6 A-A is a lower cross-sectional plan view of the main body support frame 3 and the overhead frame 8; FIG. 6B-B is a top cross-sectional plan view of the body support; the main body support frame 3 comprises four support frame upright rods 31 with open upper ends and hollow upper ends, a plurality of side inclined support rods 36, a lower horizontal connecting rod 35 and an upper horizontal connecting rod 37; the four support frame uprights 31 are arranged in parallel in two rows, two adjacent support frame uprights 31 are connected with each other at the upper part of the four support frame uprights 31 through an upper horizontal connecting rod 37, two adjacent support frame uprights 31 are connected with each other at the lower part of the two adjacent support frame uprights 31 through a lower horizontal connecting rod 35, two side inclined supporting rods 36 which are arranged in a crossing manner are also connected with each other between the two adjacent support frame uprights 31, the side inclined supporting rods 36 are arranged at positions between the upper connecting rods 37 of the support frame and the lower connecting rods 35 of the support frame, one end of each side inclined supporting rod 36 is connected with the upper part of the support frame upright 31 at the upper part of the support frame upright 31, and the other end of each side inclined supporting rod is connected with the lower part of the adjacent support frame upright 31 at the lower part of the support frame upright 31; the above structure constitutes a stable truss system. The connection between the rods may preferably be a welded connection. The lower parts of the four support frame upright posts 31 are respectively provided with a lower connecting plate 32, the lower connecting plates 32 are provided with a plurality of lower connecting plate bolt holes 33, and the centers of the lower connecting plates 32 are provided with pin key holes 34 corresponding to the foot support main rods 12. A plurality of long round pin key holes 38 are formed in the upright posts 31 of the four support frames, and the pin key holes 38 are used for inserting lifting positioning key pins 4 of the lifting frames 5; at the upper part of the connection part of the support frame upright 31 and the support frame upper connecting rod 37, a stay cable lower fixing ring 39 is arranged for fixing the stay cable 57 of the lifting frame 5.

As shown in fig. 7, 8, fig. 8 is an upper top plan view of the lift 5; the lifting frame 5 mainly comprises 4 lifting frame vertical rods 51, 8 lifting frame upper connecting rods 52, lifting frame bracket 53 and stay cables 57. The 4 lifting frame vertical rods 51 are hollow tubes, the lower parts of the 4 lifting frame vertical rods are inserted into the main body support frame vertical rods 31, the inner bottom of each hollow tube is provided with a vertical rod bottom inner sealing plate 55, the lifting frame vertical rods can be supported on lifting positioning key pins 4, the lifting frame vertical rods are lifted or lowered along with the different positioning heights of the lifting positioning key pins 4; 2 parallel lifting frame upper connecting rods 52 are connected to each side of the upper parts of the 4 lifting frame upright rods 51, and the 2 lifting frame upper connecting rods 52 are separated by a certain distance, so that the lifting frame 5 is kept in a stable state; an upper stay cable fixing ring 56 is connected to the inner lower corner of the intersection of the upper connecting rod 52 of the lower layer lifting frame and the upper part of the lifting frame upright rod 51; when the height of the lifting frame 5 is adjusted to be in place, after the lifting frame upright 51 is reliably supported on the lifting positioning key pin 4, the lower stay cable fixing ring 39 on the supporting frame 3 and the upper stay cable fixing ring 56 on the lifting frame 5 are connected by the stay cable 57, and the stay cable fastening bolt 58 (which can be a finished product basket bolt) positioned in the middle of the stay cable is rotated to tension the stay cable 57, so that the lifting frame 5 and the supporting frame 3 are connected to be in a stable state; after the use, the stay cable 57 is untied, so that the lifting frame upright rod 51 of the lifting frame 5 can be pulled out from the support frame upright rod 31 for independent transportation or storage; the top of the lifting frame upright rod 51 is provided with a lifting frame bracket 53, the middle part of the lifting frame upright rod is provided with a bracket opening 54, the position of the lifting frame bracket is corresponding to a platform connecting bolt hole 63 of the supporting platform 6, and the supporting platform 6 is fixed above the lifting frame 5 by fastening bolts through nuts after the bolts pass through the bracket opening 54 of the lifting frame bracket 53 and the platform connecting bolt hole 63.

As shown in fig. 9 and 10, fig. 10 is a top plan view of fig. 9, a supporting platform 6 is arranged above the lifting frame 5, the supporting platform 6 comprises two platform beams 61 and a plurality of platform connecting rods 62 respectively connected with the two beams 61, the platform connecting rods 62 are respectively connected with one end of the platform beams 61, a plurality of channels are connected with the middle of the platform beams 61, the plane shape of the supporting platform 6 is rectangular, platform connecting bolt holes 63 are formed in positions, corresponding to the lifting frame bracket openings 54, of the platform beams 61 and the lifting frame bracket openings 54, and after passing through the bolt holes of the lifting frame bracket 53 and the platform connecting bolt holes 63, the bolts 54 are fastened through nuts, so that the supporting platform 6 is fixed above the lifting frame 5; an upper deck 65 for supporting weights or boarding persons is laid above the platform beam 61 and the platform link 62; platform edge guardrail inserting holes 64 are formed in the outer sides of platform cross beams 61 and platform connecting rods 62 on the periphery of the supporting platform 6, and the platform edge guardrail inserting holes 64 are formed in the outer sides of the supporting platform in a short steel pipe welding mode and are used for inserting guardrail upright rods 71. The supporting platform 6 is only used as a supporting weight, when people cannot get on, the guardrail 7 is not arranged, and when the supporting platform 6 is used as an overhead operation platform for people, the guardrail 7 is additionally arranged; the guard rail 7 comprises a guard rail upright post 71 a pole setting positioning key 72 and a guardrail sealing rod 73; the lower part of the guardrail upright 71 is provided with an upright positioning key 72, the top is provided with a guardrail sealing rod 73, the guardrail sealing rod 73 is welded with the guardrail upright or is connected with the guardrail upright 71 by bolts and is downwards inserted into the platform side guardrail jack 64, and the upright positioning key 72 is clamped above the platform side guardrail jack 64 to complete guardrail installation; during disassembly, the guardrail upright 71 is pulled out from the platform side guardrail jack 64, and the guardrail 7 is separated from the support platform 6; the bolts 54 at the bracket openings are unscrewed to separate the support platform 6 from the lifting frame 5.

As shown in fig. 11 and 6, fig. 6 A-A is a lower cross-sectional plan view of the main body support frame 3 and the overhead frame 8; the overhead frame 8 comprises four hollow overhead upright posts 81, a plurality of side inclined supporting rods 87, a lower horizontal connecting rod 85 and an upper water connecting rod 86; the four heightening frame uprights 81 are arranged in parallel in two rows, the upper parts of the adjacent two heightening frame uprights 81 are connected with each other through an upper horizontal connecting rod 86, the lower parts of the adjacent two heightening frame uprights 81 are connected with each other through a lower horizontal connecting rod 85, the adjacent two heightening frame uprights 81 are also connected with each other through two side inclined supporting rods 87 which are arranged in a crossing manner, the side inclined supporting rods 87 are arranged at positions between the upper connecting rods 86 of the heightening frame and the lower connecting rods 85 of the heightening frame, one ends of the side inclined supporting rods 87 are connected with the upper parts of the heightening frame uprights 81, and the other ends of the side inclined supporting rods are connected with the lower parts of the adjacent heightening frame uprights 81; the above structure constitutes a stable truss system. The connection between the rods may preferably be a welded connection. The upper and lower ends of the four heightening frame uprights 81 are respectively provided with a connecting plate 82, the connecting plates 82 are provided with a plurality of connecting plate bolt holes 83, and the connecting plates are connected with the lower connecting plate 32 of the main body supporting frame 3 through bolts; the center of the connecting plate 82 is provided with a pin key hole 84 corresponding to the foot support main rod 12, the foot support main rod 12 extends into the overhead upright rod 81 through the pin key hole, the overhead 8 is used for higher lifting of the lifting frame, and according to the requirement of the supporting height, the overhead 1 section can be connected, and the overhead multisection can be connected.

The lifting supporting device is made of metal materials, and polymer materials are selected as the manufacturing materials.

The lifting type supporting device can be conveniently assembled, disassembled and moved when in use, and the lifting height can be quickly and accurately adjusted, so that the lifting type supporting device is safe and convenient to use.

Although the present utility model has been described in terms of the preferred embodiments, it should be understood that the present utility model is not limited to the specific embodiments, but is capable of numerous modifications and equivalents, and alternative embodiments and modifications of the embodiments described above, without departing from the spirit and scope of the present utility model.

Claims (10)

1. The utility model provides a lifting type strutting arrangement, includes foot rest, walking wheel, main part support frame, lift location key pin, crane and supporting platform, its characterized in that: the foot rest and the travelling wheels are arranged at the lower part of the main body supporting frame, the lifting frame is arranged at the upper part of the main body supporting frame, and the supporting platform is arranged at the upper part of the lifting frame; the lifting frame vertical rod is inserted into the main body support frame vertical rod, equidistant vertical row holes are formed in the main body support frame vertical rod, lifting positioning key pins penetrate into one vertical row hole, and the lower end of the lifting frame vertical rod is supported by the lifting positioning key pins; the foot rest comprises a main rod and a nut.

2. The lifting support device of claim 1, wherein: the foot rest and the travelling wheels are arranged at the lower part of the overhead frame; the lower part of the main body supporting frame is provided with one or more sections of connecting overhead frames.

3. Lifting support device according to claim 1 or 2, characterized in that: the guardrail is arranged around the supporting platform.

4. Lifting support device according to claim 1 or 2, characterized in that: the foot rest comprises a foot rest main rod, a foot rest upper plate and a foot plate; the foot support mobile jib is equipped with the external screw thread, foot support mobile jib bottom is connected with the sole, the centre trompil of foot support upper plate passes the foot support mobile jib and makes the foot support upper plate install on the foot support mobile jib, nut threaded connection is on the foot support mobile jib and be located between foot support upper plate and the sole, foot support mobile jib upper portion is equipped with both ends convex key, the lower connecting plate of main part support frame pole setting or the lower connecting plate of overhead riser are equipped with the link plate pin keyhole that corresponds with adjustable foot support mobile jib, the pole setting of main part support frame or the pole setting of overhead all are hollow member, the foot support mobile jib inserts main part support frame or in the overhead pole setting from lower link plate pin keyhole, key and key dislocation.

5. Lifting support device according to claim 1 or 2, characterized in that: the walking wheel comprises a walking wheel fixing plate, a walking wheel vertical rod with external threads, a rotary hand wheel and a universal walking wheel; one end of the walking wheel fixing plate is welded to the vertical rod of the support frame or welded to the lower part of the vertical rod of the overhead frame, a threaded hole for the vertical rod of the walking wheel to pass through is formed in the other end of the walking wheel fixing plate, the vertical rod of the walking wheel with external threads passes through the threaded hole, a rotary hand wheel is arranged on the upper part of the vertical rod of the walking wheel, a universal walking wheel is connected to the lower part of the vertical rod of the walking wheel, and the walking wheel fixing plate is arranged between the rotary hand wheel and the universal walking wheel.

6. Lifting support device according to claim 1 or 2, characterized in that: the main body support frame is truss structure, and main body support frame upper portion is equipped with the stay cable and fixes the ring under.

7. The lifting support device of claim 6, wherein: the lifting support device is characterized in that a stay cable upper fixing ring is arranged on the upper portion of the lifting frame, the lifting support device further comprises a stay cable, the stay cable lower fixing ring on the stay cable connecting support frame and the lifting frame stay cable upper fixing ring, and the stay cable is tensioned through a stay cable fastening bolt.

8. The lifting support device of claim 2, wherein: the overhead frame is of a truss structure.

9. Lifting support device according to claim 1 or 2, characterized in that: the lifting frame comprises 4 lifting frame vertical rods, 8 lifting frame upper connecting rods and lifting frame bracket; the 4 lifting frame vertical rods are hollow tubes, the lower parts of the 4 lifting frame vertical rods are inserted into the vertical rods of the main body support frame, and the inner bottom of the hollow tubes is provided with a vertical rod bottom inner sealing plate; and 2 parallel lifting frame upper connecting rods are connected to each side of the upper parts of the 4 lifting frame upright rods.

10. A lifting support device according to claim 3, wherein: the guardrail comprises a guardrail upright rod, an upright rod positioning key and a guardrail sealing rod; the lower part of the guardrail upright pole is provided with an upright pole positioning key, the top of the guardrail upright pole is provided with a guardrail sealing rod, the guardrail upright pole is downwards inserted into the platform side guardrail jack, and the upright pole positioning key is clamped above the platform side guardrail jack.