CN220889362U - Height-adjustable supporting platform - Google Patents

Abstract

The application relates to the field of supporting equipment, and particularly discloses a height-adjustable supporting platform which comprises a main frame body, an auxiliary frame body, a driving assembly and a locking piece, wherein the auxiliary frame body is arranged on the main frame body in a lifting mode, the driving assembly is used for driving the auxiliary frame body to lift, the locking piece is used for locking the position of the auxiliary frame body, a scaffold board for bearing workers is arranged at the top of the auxiliary frame body, the main frame body is placed on the ground, the driving assembly is used for lifting the auxiliary frame body, after the scaffold board is at a required height, the auxiliary frame body is locked by the locking piece, and the auxiliary frame body is kept at a certain height, so that support is provided. The application has the advantages of stable support, convenient turnover and flexible and convenient height adjustment.

Description

Height-adjustable supporting platform

Technical Field

The application relates to the field of supporting equipment, in particular to a height-adjustable supporting platform.

Background

The supporting platform is often used in places with certain working height demands such as buildings and decorations, more scaffolds are used, and the scaffolds can be spliced layer by layer so as to adjust the height of the supporting platform, thereby being convenient for operation.

However, most scaffolds cannot be moved, so that in order to facilitate the movement of the support platform, the movable frames are gradually put on the market, and when the height of the support platform needs to be adjusted, a layer of support frame can be directly additionally arranged on the top of the movable frames.

However, the process of erecting the support frame on the movable frame is complicated, and requires a plurality of persons to cooperatively work, so that the construction efficiency is slow.

Disclosure of utility model

In order to improve the convenience of height adjustment of the supporting platform, the application provides the supporting platform with adjustable height, which has the advantages of stable support, convenient turnover and flexible and convenient height adjustment.

The application provides a height-adjustable supporting platform which adopts the following technical scheme:

The utility model provides a height-adjustable's supporting platform, includes the body frame body, goes up and down to set up the auxiliary frame body on the body frame body, drive assembly that the drive auxiliary frame body risees and the locking piece that is used for locking auxiliary frame body position, auxiliary frame body top is provided with the scaffold board that is used for bearing staff.

Through adopting above-mentioned technical scheme, utilize drive assembly to order about the auxiliary frame body and rise at the body frame body, and then drive the scaffold board and rise, improve the height of scaffold board, utilize the high of locking piece locking auxiliary frame body simultaneously, realize scaffold board supporting height's fast adjustment, need not to set up the support frame temporarily, effectively improved staff's work efficiency.

Optionally, the main frame body comprises two supporting side frames; the support side frame comprises a support vertical plate, a support inclined plate and two support transverse plates, wherein the support vertical plate is vertically arranged, the support inclined plate is obliquely arranged, the distance between the support vertical plate and the support inclined plate is gradually increased from top to bottom, the two support transverse plates are horizontally arranged, two ends of the support transverse plates are respectively connected with the support vertical plate and the support inclined plate, and the two support transverse plates are respectively positioned at the top end and the bottom end of the support vertical plate; the two support sloping plates are fixed with a main ladder, the side walls of the two support sloping plates, which are close to each other, are provided with vertical sliding grooves along the length direction, the side walls of the two support sloping plates, which are close to each other, are provided with oblique sliding grooves along the length direction, and the auxiliary frame body is slidably arranged on the vertical sliding grooves and the oblique sliding grooves.

Through adopting above-mentioned technical scheme, through with sub-frame body slidable mounting on vertical spout and slant spout, realize the lift of sub-frame body, utilize drive assembly can nimble height of adjusting the sub-frame body, and then adjust the supporting height of scaffold board, set up the main ladder simultaneously and more be convenient for the staff to climb the support body, improve supporting platform's convenience and security that uses.

Optionally, the subframe body includes two slip risers, two slip swash plates and four removal diaphragm, and two vertical slidable mounting of slip risers are in two vertical spouts, and two slip swash plates are along supporting swash plate length direction slidable mounting in two slant spouts, it forms square frame to remove diaphragm level setting and end to end, the scaffold board is installed at square frame top, and two slip riser tops slidable mounting respectively are on two parallel removal diaphragms, and two slip risers are along being close to or keep away from the direction removal of slip swash plate, and two slip swash plates are kept away from the one end of supporting the swash plate and are fixed in on the square frame, are provided with vice ladder between two slip swash plates.

By adopting the technical scheme, when the driving assembly drives the two sliding inclined plates to slide upwards along the inclined sliding groove, the sliding vertical plates move upwards along the vertical direction in the vertical sliding groove, and the top ends of the sliding vertical plates correspondingly and synchronously move on the moving transverse plates towards the direction close to the sliding inclined plates, so that the auxiliary ladder can move along the inclined direction of the main ladder, and the main ladder and the auxiliary ladder are combined into a longer ladder so as to meet the climbing requirement of staff; and meanwhile, a limiting effect is formed on the auxiliary frame body by utilizing the vertical sliding groove and the inclined sliding groove, so that the auxiliary frame body can be ensured to stably lift and meet the strength requirement of support.

Optionally, a plurality of first connecting rods are arranged between the two supporting side frames, a plurality of first connecting rods are respectively arranged horizontally and obliquely, a plurality of second connecting rods are arranged between the two sliding vertical plates, and a plurality of second connecting rods are respectively arranged horizontally and obliquely.

Through adopting above-mentioned technical scheme, utilize first connecting rod and second connecting rod to cooperate with body frame and auxiliary frame respectively, form triangle-shaped bearing structure, can effectively improve the structural strength of body frame and auxiliary frame.

Optionally, a plurality of locking holes have been seted up along vertical direction to the support riser, the locking piece is installed in slip riser bottom, locking piece and locking hole grafting cooperation.

Through adopting above-mentioned technical scheme, utilize drive assembly to rise the subframe body to make the locking piece align the locking hole of different height, insert the locking piece again and lock the subframe body in different height, and then satisfy diversified support needs.

Optionally, the drive assembly includes hand wheel, lifting rope and a plurality of leading wheel, hand wheel and leading wheel are all installed on the body frame body, lifting rope one end is wound on the hand wheel, and the other end passes a plurality of leading wheels in proper order and is fixed in the subframe body, when the hand wheel rotates and rolls up the lifting rope, lifting rope stimulate the subframe body and upwards move.

Through adopting above-mentioned technical scheme, can rolling lifting rope and drive the subframe body and upwards remove through rotating the hand wheel, realized single height of adjusting the subframe body, the simple operation can effectively improve work efficiency.

Optionally, the building envelope is installed on the scaffold board, the building envelope includes guard gate, guard bar and two protection frames, two the protection frame is fixed in scaffold board both sides limit respectively, guard gate one end articulates on one of them protection frame, and the other end is connected with another protection frame lock joint, guard bar one end articulates on one of them protection frame, and the other end is set up on another protection frame, the guard bar is close to personnel's climbing side.

Through adopting above-mentioned technical scheme, through setting up envelope, make the staff be under envelope's protection, can prevent effectively that the staff from falling, improve the security.

Optionally, two main armrests are arranged on the support inclined plate in parallel, auxiliary armrests are arranged on the two main armrests in parallel, the bottom ends of the auxiliary armrests are slidably mounted on the main armrests, and the top ends of the auxiliary armrests are fixed on the protection frame.

Through adopting above-mentioned technical scheme, can ensure the safety when staff climbs the ladder through setting up the handrail, avoid personnel to climb the ladder when falling.

Optionally, the main frame body bottom is provided with the balancing weight, the balancing weight is used for balancing the frame body.

Through adopting above-mentioned technical scheme, utilize the balancing weight can prevent that whole support body from overturning to the direction that the scaffold board extends after the subframe body rises, further improve bearing structure's stability and security.

Optionally, a plurality of pulleys are arranged below the main frame body, the pulleys are used for rotating the frame body, and a locking structure is arranged on the pulleys.

Through adopting above-mentioned technical scheme, utilize the pulley can the fast move support body, further improve availability factor, utilize locking structure simultaneously can prevent that the support body from removing, improved the security.

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

1. The driving assembly is utilized to drive the auxiliary frame body to ascend on the main frame body, so that the scaffold board is driven to ascend, the height of the scaffold board is improved, meanwhile, the locking piece is utilized to lock the height of the auxiliary frame body, the rapid adjustment of the supporting height of the scaffold board is realized, a supporting frame is not required to be temporarily erected, and the working efficiency of staff is effectively improved;

2. When the driving assembly drives the two sliding inclined plates to slide upwards along the inclined sliding groove, the sliding vertical plates move upwards in the vertical sliding groove along the vertical direction, the top ends of the sliding vertical plates correspondingly and synchronously move on the moving transverse plates towards the direction close to the sliding inclined plates, so that the auxiliary ladder can move along the inclined direction of the main ladder, and the main ladder and the auxiliary ladder are combined into a longer ladder to meet the climbing requirement of staff; meanwhile, a limiting effect is formed on the auxiliary frame body by utilizing the vertical sliding groove and the inclined sliding groove, so that the auxiliary frame body can be ensured to stably lift and meet the strength requirement of support;

3. The driving assembly is utilized to lift the auxiliary frame body, the locking piece is aligned with the locking holes with different heights, and then the locking piece is inserted into the locking holes, so that the auxiliary frame body can be locked at different heights, and further diversified supporting requirements are met.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present application;

FIG. 2 is a schematic diagram showing the structure of a driving assembly according to an embodiment of the present application;

Fig. 3 is a schematic view showing the structure of the locking member according to the embodiment of the present application.

Reference numerals: 1. a main frame body; 11. a support side frame; 111. supporting a vertical plate; 112. supporting a sloping plate; 113. a supporting cross plate; 114. a vertical chute; 115. an inclined chute; 116. a locking hole; 12. a main step; 13. a first link; 2. a sub-frame body; 21. sliding risers; 22. a sliding sloping plate; 23. moving the transverse plate; 24. a secondary step; 25. a second link; 3. a drive assembly; 31. a hand wheel; 32. a lifting rope; 33. a guide wheel; 4. a locking member; 5. a scaffold plate; 6. a reinforcement; 7. a building envelope; 71. a protective door; 72. a protective rod; 73. a protective frame; 81. a main armrest; 82. an auxiliary armrest; 9. balancing weight; 10. and (3) a pulley.

Detailed Description

The application is described in further detail below with reference to fig. 1-3.

The embodiment of the application discloses a height-adjustable supporting platform, referring to fig. 1, comprising a main frame body 1, an auxiliary frame body 2 arranged on the main frame body 1 in a lifting manner, a driving assembly 3 for driving the auxiliary frame body 2 to lift and a locking piece 4 for locking the position of the auxiliary frame body 2, wherein a scaffold board 5 for bearing staff is arranged at the top of the auxiliary frame body 2, and the main frame body 1 is placed on the ground. The driving component 3 drives the auxiliary frame body 2 to rise on the main frame body 1, so that the scaffold board 5 is driven to rise, the position of the auxiliary frame body 2 is locked by the locking piece 4, the rapid adjustment of the supporting height is realized, and the working efficiency of staff is improved.

Referring to fig. 1, the main frame body 1 includes a supporting side frame 11 and a main step 12, the supporting side frames 11 are two and arranged parallel to each other, the main step 12 is fixed between the supporting side frames 11, and the main step 12 is arranged obliquely to facilitate climbing of a person.

Since the two support side frames 11 are identical in structure, a single support side frame 11 is described herein. Referring to fig. 1, the support side frame 11 includes a support riser 111, a support inclined plate 112 and two support inclined plates 113, the support riser 111 is vertically disposed, the support inclined plate 112 is obliquely disposed, and the distance between the support inclined plate 112 and the support riser 111 is gradually increased from top to bottom, the two support inclined plates 113 are horizontally disposed, two ends of one support inclined plate 113 are respectively fixed between the top end of the support riser 111 and the top end of the support inclined plate 112, two ends of the other support inclined plate 113 are respectively fixed between the bottom end of the support riser 111 and the bottom end of the support inclined plate 112, and the support riser 111, the support inclined plate 112 and the two support inclined plates 113 together form the support side frame 11 in a right-angle trapezoid shape.

Further, referring to fig. 1, the main step 12 is mounted on the two support sloping plates 112, and the inclination angle of the main step 12 coincides with the inclination angle of the support sloping plates 112. It should be noted that, the main step 12 extends from the bottom end of the supporting inclined plate 112 to the middle position of the supporting inclined plate 112, and the main step 12 does not cover the height of the entire main frame 1, so as to match with the lifting of the sub-frame 2, and realize the telescopic adjustment of the entire frame.

Further, referring to fig. 1, a plurality of first connecting rods 13 are disposed between the two supporting side frames 11, two ends of each first connecting rod 13 are respectively fixed between the two supporting side frames 11 to form a frame with stable structure in a matching manner, wherein part of the first connecting rods 13 are horizontally disposed, and part of the first connecting rods 13 are obliquely disposed to form a triangular supporting structure in a matching manner, so that the structural strength of the main frame body 1 is improved.

Referring to fig. 1 and 2, vertical sliding grooves 114 are formed in the side walls of the two support risers 111, which are close to each other, along the length direction, oblique sliding grooves 115 are formed in the side walls of the two support sloping plates 112, which are close to each other, along the length direction, the vertical sliding grooves 114 and the oblique sliding grooves 115 are used for installing the sub-frame body 2, and when the driving assembly 3 drives the sub-frame body 2 to ascend, the sub-frame body 2 correspondingly slides on the vertical sliding grooves 114 and the oblique sliding grooves 115.

Specifically, the subframe body 2 includes two sliding risers 21, two sliding inclined plates 22 and four moving cross plates 23, the two sliding risers 21 are vertically arranged and are respectively slidably mounted in the two vertical sliding grooves 114, the two sliding inclined plates 22 are respectively mounted in the two inclined sliding grooves 115, the sliding risers 21 slide along the vertical direction, the sliding inclined plates 22 slide along the length direction of the inclined sliding grooves 115, an auxiliary step 24 is arranged between the two sliding inclined plates 22, and the auxiliary step 24 moves along with the two sliding inclined plates 22.

Meanwhile, the movable transverse plates 23 are horizontally arranged and connected end to form a square frame, the scaffold board 5 is arranged at the top of the square frame, one ends of the two sliding inclined plates 22, which are far away from the supporting inclined plates 112, are respectively fixed at two adjacent corners of the square frame, the top ends of the two sliding vertical plates 21 are respectively and slidably arranged on the two parallel movable transverse plates 23, and the top ends of the two sliding vertical plates 21 move on the two movable transverse plates 23 along the direction which is close to or far away from the sliding inclined plates 22.

Since the sliding inclined plate 22 and the sliding vertical plate 21 are in a linkage state under the connection of the movable transverse plate 23, the driving assembly 3 can drive the sliding vertical plate 21 to drive the sliding inclined plate 22 to move upwards, and can drive the sliding inclined plate 22 to drive the sliding vertical plate 21 to move upwards. In this embodiment, the drive assembly 3 is connected to two sliding swash plates 22.

When the driving assembly 3 drives the two sliding inclined plates 22 to slide upwards along the inclined chute 115, the sliding vertical plate 21 moves upwards in the vertical chute 114 along the vertical direction, and as the sliding inclined plates 22 move upwards in an inclined manner, the distance between the sliding vertical plate 21 and the sliding inclined plates 22 is gradually reduced, and the top ends of the sliding vertical plates 21 correspondingly and synchronously move on the moving transverse plate 23 towards the direction approaching to the sliding inclined plates 22.

The driving component 3 is utilized to drive the auxiliary frame body 2 to move upwards, the height of the scaffold board 5 is increased, the staff is supported at a higher position, a new supporting structure is not required to be erected, and the adjustment is simple, convenient and quick. Meanwhile, the secondary steps gradually move obliquely upwards, and then are combined with the main steps 12 to form longer steps, so that a worker can conveniently climb on the higher scaffold board 5.

In addition, referring to fig. 1, a plurality of second connecting rods 25 are disposed between the two sliding risers 21, and the second connecting rods 25 are respectively connected between the two sliding risers 21 horizontally or obliquely, so as to form a triangular supporting structure in a matching manner, thereby improving the structural strength of the subframe body 2.

Further, referring to fig. 2, the driving assembly 3 includes a hand wheel 31, a lifting rope 32 and a plurality of guide wheels 33, wherein the hand wheel 31 is mounted on the main frame 1, and in this embodiment, two guide wheels 33 are mounted on the main frame 1. One end of the lifting rope 32 is wound on the hand wheel 31, and the other end sequentially passes through the two rotary guide wheels 33 and is finally fixed at the bottom end of the sliding inclined plate 22.

When the lifting device is used, the lifting rope 32 is wound by rotating the hand wheel 31, the rotary guide wheels 33 are synchronously matched to rotate, and the lifting rope 32 pulls the sliding inclined plate 22 to move upwards, so that the whole auxiliary frame body 2 is driven to move upwards. The height of the sub-frame body 2 can be adjusted by a single person by utilizing the hand wheel 31, so that the operation is convenient and fast, and the working efficiency can be effectively improved.

Further, referring to fig. 3, the supporting riser 111 is provided with a plurality of locking holes 116 at equal intervals in the vertical direction, the locking member 4 is slidably mounted at the bottom end of the sliding riser 21, and the locking member 4 can be inserted into the locking holes 116. The hand wheel 31 is rotated to enable the auxiliary frame body 2 to be lifted, the locking piece 4 is aligned with the locking holes 116 with different heights, and then the auxiliary frame body 2 can be locked at different heights by inserting the locking piece 4 into the locking holes 116, so that more diversified supporting requirements are met.

Further, referring to fig. 1, an enclosure structure 7 is installed above the scaffold board 5, the enclosure structure 7 includes a protective door 71, a protective rod 72 and two square protective frames 73, the two protective frames 73 are arranged in parallel and are respectively fixed on two sides of the top of the scaffold board 5, one end of the protective door 71 is hinged to one of the protective frames 73, the other end of the protective door is connected with the other protective frame 73 through a buckle, meanwhile, the protective rod 72 is erected on the tops of the two protective frames 73 and approaches to the climbing side of a person, one end of the protective rod 72 is hinged to one of the protective frames 73, and the protective door 71, the protective rod 72 and the protective frame 73 form a circle on the top of the scaffold board 5 to form a reliable enclosure structure 7.

When in use, when workers climb to the scaffold board 5 from the main ladder 12 and the auxiliary ladder 24 in sequence, the protection rod 72 is rotated and enabled to be vertical, the workers can enter the enclosure 7, and then the protection rod 72 is reset, so that the workers can be located in the enclosure 7, the workers are effectively prevented from falling, and the safety is improved. When the worker needs to go to the building at the high place from the scaffold board 5, the fastener of the protective door 71 can be opened, and the protective door 71 is opened, so that the worker can go to the high place from the scaffold board 5.

Further, referring to fig. 1, a main handrail 81 is disposed on the support sloping plate 112, the main handrail 81 is disposed parallel to the support sloping plate 112, an auxiliary handrail 82 is further disposed on the main handrail 81, the auxiliary handrail 82 is parallel to the main handrail 81, the bottom end of the auxiliary handrail 82 is slidably mounted on the main handrail 81, the top end of the auxiliary handrail 82 is fixed on the protective frame 73, the main handrail 81 covers the length of the main step 12 and corresponds to the main step 12, and the auxiliary handrail 82 covers the length of the auxiliary step 24 and corresponds to the auxiliary step 24. When the driving assembly 3 drives the auxiliary frame body 2 to move upwards, the auxiliary ladder 24 and the auxiliary handrail 82 move upwards synchronously, and the auxiliary handrail 82 and the main handrail 81 are matched to form a longer handrail structure, so that safety of staff climbing the ladder is ensured.

Further, referring to fig. 1, a plurality of reinforcement members 6 are disposed between two supporting transverse plates 113 at the bottom of the main frame 1, and two ends of the reinforcement members 6 are respectively fixed to the two supporting transverse plates 113. Since the bottom of the main frame body 1 is a main bearing structure, the reinforcement 6 can further improve the stability of the structure of the main frame body 1. In this embodiment, the reinforcement 6 is a U-shaped steel and is provided with two.

Further, referring to fig. 1, the two supporting transverse plates 113 at the bottom of the main frame 1 are provided with balancing weights 9, and the balancing weights 9 are located at one ends of the supporting transverse plates 113 far away from the supporting vertical plates 111, and the balancing weights 9 are used for balancing the frame. The counterweight 9 can prevent the whole frame body from overturning towards the extending direction of the scaffold board 5 after the sub-frame body 2 is lifted, and further improve the stability and safety of the supporting structure.

Further, referring to fig. 1, a pulley 10 for facilitating turnover of the main frame 1 is provided below the main frame, and a locking structure is provided on the pulley 10. The pulley 10 can be used for rapidly moving the frame body, so that the service efficiency is further improved, and the locking structure can be used for preventing the frame body from moving, so that the safety is improved.

The embodiment of the application discloses a supporting platform with adjustable height, which comprises the following implementation principles: firstly, the whole frame body is moved to a required position, then the lifting rope 32 is rolled up by rotating the hand wheel 31, the lifting rope 32 slides and drives the sliding inclined plate 22 to slide obliquely upwards in the oblique sliding groove 115, the sliding vertical plate 21 synchronously slides vertically upwards in the vertical sliding groove 114, meanwhile, the top end of the sliding vertical plate 21 slides relatively on the top of the moving transverse plate 23, the distance between the sliding vertical plate 21 and the sliding inclined plate 22 is gradually reduced, the auxiliary ladder 24 and the auxiliary handrail 82 synchronously extend obliquely upwards, the auxiliary frame body 2 gradually rises, the vertical height of the scaffold plate 5 is increased, and finally the locking piece 4 is inserted into the locking hole 116;

the worker can sequentially hold the main handrail 81 and the auxiliary handrail 82, sequentially climb the main ladder 12 and the auxiliary ladder 24, then rotate the guard bar 72, climb the scaffold board 5, and reset the guard bar 72; if the building at the high position is to be lifted from the scaffold board 5, the buckle of the protective door 71 is opened, and the protective door 71 is turned to be opened.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (10)

1. A height-adjustable's supporting platform, its characterized in that: the lifting type auxiliary frame comprises a main frame body (1), an auxiliary frame body (2) arranged on the main frame body (1) in a lifting mode, a driving assembly (3) for driving the auxiliary frame body (2) to lift and a locking piece (4) for locking the position of the auxiliary frame body (2), wherein a scaffold board (5) for bearing workers is arranged at the top of the auxiliary frame body (2).

2. A height adjustable support platform according to claim 1, wherein: the main frame body (1) comprises two supporting side frames (11);

The support side frame (11) comprises a support vertical plate (111), a support inclined plate (112) and two support transverse plates (113), wherein the support vertical plate (111) is vertically arranged, the support inclined plate (112) is obliquely arranged, the distance between the support vertical plate (111) and the support inclined plate (112) is gradually increased from top to bottom, the two support transverse plates (113) are horizontally arranged, two ends of the support transverse plates (113) are respectively connected with the support vertical plate (111) and the support inclined plate (112), and the two support transverse plates (113) are respectively positioned at the top end and the bottom end of the support vertical plate (111);

the two support sloping plates (112) are fixedly provided with a main ladder (12), the side walls of the two support sloping plates (112) close to each other are provided with vertical sliding grooves (114) along the length direction, the side walls of the two support sloping plates (112) close to each other are provided with inclined sliding grooves (115) along the length direction, and the auxiliary frame body (2) is slidably arranged on the vertical sliding grooves (114) and the inclined sliding grooves (115).

3. A height adjustable support platform according to claim 2, wherein: the auxiliary frame body (2) comprises two sliding risers (21), two sliding inclined plates (22) and four movable transverse plates (23), wherein the two sliding risers (21) are vertically and slidably installed in two vertical sliding grooves (114), the two sliding inclined plates (22) are slidably installed in two inclined sliding grooves (115) along the length direction of the supporting inclined plate (112), the movable transverse plates (23) are horizontally arranged and connected end to form a square frame, the scaffold plates (5) are installed at the top of the square frame, the top ends of the two sliding risers (21) are respectively and slidably installed on the two parallel movable transverse plates (23), the two sliding risers (21) move along the direction close to or far away from the sliding inclined plates (22), one ends of the two sliding inclined plates (22) far away from the supporting inclined plates (112) are fixed on the square frame, and auxiliary steps (24) are arranged between the two sliding inclined plates (22).

4. A height adjustable support platform according to claim 3, wherein: a plurality of first connecting rods (13) are arranged between the two supporting side frames (11), the first connecting rods (13) are respectively arranged horizontally and obliquely, a plurality of second connecting rods (25) are arranged between the two sliding vertical plates (21), and the second connecting rods (25) are respectively arranged horizontally and obliquely.

5. A height adjustable support platform according to claim 3, wherein: the support vertical plate (111) is provided with a plurality of locking holes (116) along the vertical direction, the locking piece (4) is arranged at the bottom end of the sliding vertical plate (21), and the locking piece (4) is in plug-in fit with the locking holes (116).

6. A height adjustable support platform according to claim 1, wherein: the driving assembly (3) comprises a hand wheel (31), a lifting rope (32) and a plurality of guide wheels (33), wherein the hand wheel (31) and the guide wheels (33) are all arranged on the main frame body (1), one end of the lifting rope (32) is wound on the hand wheel (31), the other end of the lifting rope sequentially penetrates through the guide wheels (33) to be fixed on the auxiliary frame body (2), and when the hand wheel (31) rotates and winds the lifting rope (32), the lifting rope (32) pulls the auxiliary frame body (2) to move upwards.

7. A height adjustable support platform according to claim 3, wherein: the building protection device is characterized in that an enclosure structure (7) is arranged on the scaffold board (5), the enclosure structure (7) comprises a protection door (71), a protection rod (72) and two protection frames (73), the two protection frames (73) are respectively fixed on two sides of the scaffold board (5), one end of the protection door (71) is hinged to one of the protection frames (73), the other end of the protection door is connected with the other protection frame (73) in a buckling mode, one end of the protection rod (72) is hinged to one of the protection frames (73), the other end of the protection rod is arranged on the other protection frame (73) in a building mode, and the protection rod (72) is close to the climbing side of a person.

8. The height adjustable support platform of claim 7, wherein: the two support sloping plates (112) are provided with main armrests (81) in parallel, the two main armrests (81) are provided with auxiliary armrests (82) in parallel, the bottom ends of the auxiliary armrests (82) are slidably arranged on the main armrests (81), and the top ends of the auxiliary armrests (82) are fixed on the protective frame (73).

9. A height adjustable support platform according to claim 1, wherein: the balancing weight (9) is arranged at the bottom of the main frame body (1), and the balancing weight (9) is used for balancing the frame body.

10. A height adjustable support platform according to claim 1, wherein: a plurality of pulleys (10) are arranged below the main frame body (1), the pulleys (10) are used for rotating the frame body, and locking structures are arranged on the pulleys (10).