CN216643677U - Adjustable lifting support device - Google Patents

Abstract

The utility model discloses an adjustable lifting support device, which comprises 2 vertical upright posts, 2 upright post sleeves, 2 diagonal brace square tubes and 2 upper diagonal brace square tubes, 2 down bracing side's pipe, 2 ground side's pipe, the fixed stull of vertical fixation stull and bracing, 2 perpendicular stands overlap respectively and locate 2 stand intraductal height-adjustable fixed connection, 2 stand sleeve pipes respectively with 2 ground side's pipe front end fixed connection, 2 bracing side's pipe upper end overlaps respectively and locates 2 last bracing intraductal fixed connection of bracing sleeve, 2 bracing side's pipe lower extreme overlaps respectively and locates 2 intraductal scalable fixed connection of bracing sleeve, 2 down bracing sleeve pipe lower extreme respectively with 2 ground side's pipe rear end fixed connection, 2 go up bracing sleeve pipe upper end respectively with 2 scalable fixed connection of perpendicular stand, the vertical fixation stull both ends respectively with 2 stand sleeve pipe fixed connection, the fixed stull both ends of bracing respectively with 2 down bracing sleeve pipe fixed connection. The leveling device can solve the leveling problem of a matching device, and has the advantages of convenience in construction and high efficiency.

Description

Adjustable lifting support device

Technical Field

The utility model relates to the field of mechanical equipment, in particular to an adjustable lifting support device.

Background

The ground of construction has the slope, has flat, has unevenness, and the horizontal dimension differs, and supporting device installation steadily has very big difficulty, and traditional building site uses the electric welding leg, fills up with iron plate, has heightened the saw, has hanged down with, and the cost of manuscript manpower and materials is looked unaesthetically to because there is the error in the manual work sometimes, supporting device is fixed steadily has brought bigger difficulty.

Disclosure of Invention

The utility model can be lifted in the vertical direction, can be stretched in the diagonal bracing direction, and can be stretched in the vertical direction while being lifted in the vertical direction, thereby realizing the purpose of laying the matching device without electric welding or iron padding plates.

The utility model relates to an adjustable lifting support device, which comprises 2 vertical upright posts, 2 upright post sleeves, 2 diagonal square tubes, 2 diagonal sleeve tubes, 2 ground square tubes, a vertical fixed cross brace and a diagonal fixed cross brace, wherein 2 vertical upright posts are respectively sleeved in the 2 upright post sleeves and fixedly connected with adjustable heights, 2 upright post sleeves are respectively fixedly connected with the front ends of the 2 ground square tubes, 2 diagonal square tubes comprise 2 upper diagonal sleeve tubes and 2 lower diagonal sleeve tubes, the upper ends of the 2 diagonal square tubes are respectively sleeved in the 2 upper diagonal sleeve tubes and fixedly connected with the front ends of the 2 ground square tubes, the lower ends of the 2 diagonal square tubes are respectively sleeved in the 2 lower diagonal sleeve tubes and telescopically and fixedly connected with the rear ends of the 2 ground square tubes, and the upper ends of the 2 upper diagonal sleeve tubes are respectively telescopically and fixedly connected with the 2 vertical upright posts, the two ends of the vertical fixed cross brace are respectively fixedly connected with the 2 upright post sleeves, and the two ends of the diagonal fixed cross brace are respectively fixedly connected with the 2 lower diagonal sleeves.

The utility model relates to an adjustable lifting support device, wherein a plurality of through holes A are uniformly arranged on a vertical upright post at intervals, a plurality of through holes B are uniformly arranged on the upright post sleeve at intervals, the positions of the through holes A correspond to the positions of the through holes B, the vertical upright posts are sleeved in the upright post sleeve and fixedly connected with the through holes B by bolts penetrating through the through holes A, the lower ends of the 2 upright post sleeves are provided with first U-shaped grooves, through holes C are arranged on the two walls of the first U-shaped groove, through holes D are arranged at the front parts of 2 ground square tubes, the through hole C corresponds to the through hole D in position, 2 upright post sleeves are respectively buckled on the front ends of 2 ground square tubes through a first U-shaped groove, bolts penetrate through the through hole C and the through hole D to be fixedly connected, the lower ends of the 2 upright post sleeves are provided with through holes E, through holes F are formed in two ends of the vertical fixing cross braces, and two ends of the vertical fixing cross braces and 2 upright post sleeves pass through the through holes E and are fixedly connected with the through holes F through bolts.

According to the adjustable lifting support device, the uniform spacing distance among the through holes A is 5mm, and the uniform spacing distance among the through holes B is 5 mm.

According to the adjustable lifting support device, the upper parts of 2 vertical stand columns are provided with oblong through holes A, the upper ends of 2 upper inclined strut sleeve pipes are provided with second U-shaped grooves, the walls of the second U-shaped grooves are provided with through holes W, the positions of the oblong through holes A correspond to the positions of the through holes W, and the upper ends of the 2 upper inclined strut sleeve pipes and the upper parts of the vertical stand columns are inserted into the second U-shaped grooves through the vertical stand columns, and threaded bolts penetrate through the oblong through holes A and are fixedly connected with the through holes W.

According to the adjustable lifting support device, the upper part of 2 inclined support square pipes is provided with a through hole G, the lower part of the inclined support square pipes is provided with a through hole H, the lower end of 2 upper inclined support sleeves is provided with a through hole M, the front and back sides of the upper ends of 2 lower inclined support sleeves are provided with a plurality of through holes O at even intervals, the left side and the right side of the lower inclined support sleeves are provided with a plurality of through holes P at even intervals, the upper ends of the 2 inclined support square pipes are fixedly connected with the lower ends of the 2 upper inclined support sleeves through the through hole G and the through hole M through bolts respectively, the lower ends of the 2 inclined support square pipes are fixedly connected with the upper ends of the 2 lower inclined support sleeves through the through holes H and the through holes O through bolts respectively, the lower ends of the 2 lower inclined support sleeves are provided with a third U-shaped groove, through holes Q are formed in the two walls of the third U-shaped groove, the rear parts of the 2 ground square pipes are provided with through holes R, the through holes Q correspond to the positions of the through holes, the lower ends of the 2 lower inclined support sleeves are fastened to the rear ends of the ground square pipes through holes Q and the through the third U-shaped groove And connecting, wherein a through hole S is formed in the middle of each of 2 lower inclined strut sleeve pipes, through holes T are formed in two ends of each of the fixed inclined strut, and the two ends of each of the fixed inclined strut and the middle of each of 2 lower inclined strut sleeve pipes pass through the through holes T and are fixedly connected with the through holes S through bolts.

According to the adjustable lifting support device, the distance between the through holes O is 15mm, and the distance between the through holes P is 20 mm.

According to the adjustable lifting support device, the lower ends of 2 inclined support square tubes are respectively fixedly connected with the upper end drawings of 2 lower inclined support sleeve tubes through bolts penetrating through the through holes H and the through holes P.

The utility model provides an adjustable lift strutting arrangement, 2 perpendicular stand upper ends set up protection casing mounting hole and supporting device mounting hole, the protection casing mounting hole sets up on supporting device mounting hole.

Compared with the prior art, the adjustable lifting support device has the advantages that: the leveling device can solve the leveling problem of a matching device, and has the advantages of convenience in construction, high speed, no need of electricity and technology, and simplicity and easiness in learning of screw splicing.

Drawings

FIG. 1 is a schematic view of an adjustable elevation support apparatus of the present invention.

Description of the figures

1 … vertical column 2 … column casing 3 … lower diagonal bracing casing 4 … ground square tube

5 … diagonal bracing square tube 6 … upper diagonal bracing sleeve 7 … vertical fixed cross brace 8 … diagonal bracing

Fixed cross brace 9 … through hole A10 … through hole B11 … through hole E

12 … through hole W

13 … through hole M14 … through hole Q15 … mating device mounting hole 16 … protection

Cover mounting hole

Detailed Description

An adjustable elevation support apparatus of the present invention is described in further detail below with reference to figure 1 of the accompanying drawings.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1:

the utility model relates to an adjustable lifting support device, referring to fig. 1, comprising 2 vertical upright posts 1, 2 upright post sleeves 2, 2 diagonal bracing square tubes 5, 2 diagonal bracing sleeves, 2 ground square tubes 4, a vertical fixed cross brace 7 and a diagonal bracing fixed cross brace 8, wherein 2 vertical upright posts are respectively sleeved in the 2 upright post sleeves and fixedly connected with adjustable height, 2 upright post sleeves 2 are respectively fixedly connected with the front ends of the 2 ground square tubes, 2 diagonal bracing square tubes comprise 2 upper diagonal bracing sleeves 6 and 2 lower diagonal bracing sleeves 3, the upper ends of the 2 diagonal bracing square tubes 5 are respectively sleeved in the 2 upper diagonal bracing sleeves 6 and fixedly connected, the lower ends of the 2 diagonal bracing square tubes 5 are respectively sleeved in the 2 lower diagonal bracing sleeves 3 and fixedly connected with the rear ends of the 2 ground square tubes 4, the upper ends of the 2 upper diagonal bracing sleeves 6 are respectively telescopically and fixedly connected with the 2 vertical upright posts 1, and two ends of the vertical fixed cross brace 7 are respectively fixedly connected with 2 upright post sleeves 2, and two ends of the diagonal fixed cross brace 8 are respectively fixedly connected with 2 lower diagonal sleeves 3. The adjustable lifting support device is limited by the structure, and the adjustable lifting structure is embodied in that 2 vertical stand columns are respectively sleeved in 2 stand column sleeve pipes, the height of the vertical stand columns can be adjusted and fixedly connected, along with the height adjustment, in the telescopic direction, the lower ends of 2 inclined support square pipes 5 are respectively sleeved in 2 lower inclined support sleeve pipes 3 and can be telescopically and fixedly connected, and the upper ends of 2 upper inclined support sleeve pipes 6 are respectively telescopically and fixedly connected with 2 vertical stand columns 1. The structure is that 2 upright post sleeves 2 are respectively and fixedly connected with the front ends of 2 ground square tubes, and the lower ends of 2 lower inclined strut sleeves 3 are respectively and fixedly connected with the rear ends of 2 ground square tubes 4, so that the structure of the utility model on a ground device is limited. The two ends of the vertical fixed cross brace 7 are respectively fixedly connected with the 2 upright post sleeves 2, and the two ends of the diagonal fixed cross brace 8 are respectively fixedly connected with the 2 lower diagonal sleeve 3. The above structure is designed to reinforce the structure of the present invention.

An adjustable lifting support device, please refer to fig. 1, a plurality of through holes a9 are uniformly arranged on a vertical upright post 1 at intervals, a plurality of through holes B10 are uniformly arranged on an upright post sleeve 2 at intervals, the position of the through hole a9 corresponds to the position of the through hole B10, the vertical upright post 1 is sleeved in the upright post sleeve 2 and fixedly connected with the through hole a9 and the through hole B10 through bolts, 2 lower ends of the upright post sleeve 2 are provided with a first U-shaped groove, two walls of the first U-shaped groove are provided with through holes C, the front parts of 2 ground square tubes 4 are provided with through holes D, the through holes C correspond to the through holes D, 2 upright post sleeves 2 are respectively fastened with the front ends of 2 ground square tubes 4 through the first U-shaped groove on the ground square tubes 4, the bolts pass through the through holes C and the through holes D and are fixedly connected, 2 lower ends of the upright post sleeves 2 are provided with through holes E, two ends of a vertical fixing cross brace 7 are provided with through holes F, and two ends of the vertical fixing cross brace 7 and the 2 upright post sleeves 2 pass through the through hole E and are fixedly connected with the through hole F through bolts. 2 will realize the perpendicular stand is located 2 stand intraductal height-adjustable fixed connection's of sleeve pipe structures is located respectively to the cover, like this embodiment, this structure: even interval sets up a plurality of through-holes A9 on the vertical column 1, even interval sets up a plurality of through-holes B10 on the stand sleeve pipe 2, the position and the through-hole B10 position of through-hole A9 are corresponding, and vertical column 1 cover is located and is passed through-hole A9 and through-hole B10 fixed connection through the bolt in the stand sleeve pipe 2, realizes. Because a plurality of through holes A9 and a plurality of through holes B10 are arranged, and the positions of the through holes A9 and the through holes B10 are corresponding, if the height is to be increased, one through hole A9 can be fixed, and then one through hole B10 can be upwards found for bolt fixing, so that the height in the vertical direction can be adjusted; a through hole B10 is fixed, and a through hole A9 is upwards found for bolt fixing, so that the height in the vertical direction can be increased and adjusted. To achieve the height reduction, a through hole A9 or B10 is fixed, and a through hole A9 or B10 is found next and fixed through a bolt. Further, even spacing distance is 5mm between a plurality of through-hole A, and even spacing distance is 5mm between a plurality of through-hole B. The structure defines that the height of ascending or descending can be 5mm or multiple of 5mm, 10mm and 15mm by taking 5mm as a unit for each adjustment. 2 the 2 lower extremes of stand sleeve pipe set up first U-shaped groove, set up through-hole C on the two walls in first U-shaped groove, 2 ground side's pipe 4 front portions set up through-hole D, through-hole C is corresponding with through-hole D position, 2 stand sleeve pipe 2 passes through-hole C and through-hole D fixed connection, 2 with 2 ground side's pipe 4 front ends respectively through first U-shaped groove buckle on ground side's pipe 4 bolts pass through-hole E and through-hole D fixed connection, 2 the 2 lower extremes of stand sleeve pipe set up through-hole E, 7 both ends of vertical fixation stull set up through-hole F, and 7 both ends of vertical fixation stull pass through-hole E11 and through-hole F fixed connection with 2 stand sleeve pipe 2 through the bolt. Above structure, in this embodiment, has injectd stand sleeve pipe 2 and ground side's pipe 4 fixed connection mode through-hole and bolted connection mode to and injectd vertical direction's reinforced structure, 2 promptly stand sleeve pipe 2 lower extreme sets up through-hole E11, vertical fixation stull 7 both ends set up through-hole F, and vertical fixation stull 7 both ends pass through-hole E11 and through-hole F fixed connection with 2 stand sleeve pipes 2 through the bolt.

The utility model provides an adjustable lift strutting arrangement, please refer to fig. 1, 2 1 upper portion of vertical column sets up oblong through-hole A, 2 go up bracing sleeve 6 upper end and set up the second U-shaped groove, set up through-hole W12 on the two walls of second U-shaped groove, oblong through-hole A position is corresponding with through-hole W12 position, and 2 go up bracing sleeve 6 upper end and vertical column 1 upper portion and insert the bolt in the second U-shaped groove through vertical column 1 and pass oblong through-hole A and through-hole W12 fixed connection. The above structure defines the upper telescopic structure in the telescopic direction. The through hole W12 can move up and down on the oblong through hole a to adjust the upper portion in the telescopic direction. 2 the perpendicular stand 1 upper portion sets up oblong through-hole A, and oblong through-hole A compares with through-hole W12, just is equivalent to an oblong runway of through-hole W12, lets the bolt be connected with perpendicular stand 1 through the upper end of 2 last bracing sleeve pipes 6 of fixed through-hole W12 on different oblong through-hole A positions, realizes flexible direction, goes up flexible function.

The utility model provides an adjustable lift strutting arrangement, please refer to fig. 1, 2 5 upper portions in bracing side pipe set up through-hole G, and the lower part sets up through-hole H,2 go up 6 lower extremes in bracing sleeve pipe and set up through-hole M13,2 the preceding back of 3 upper ends in bracing sleeve pipe sets up a plurality of evenly spaced through-holes O down, and the left and right sides sets up a plurality of evenly spaced through-holes P, and 2 5 upper ends in bracing side pipe pass through-hole G and through-hole M fixed connection with 2 last 6 lower extremes in bracing sleeve pipe respectively, and 2 5 lower extremes in bracing side pipe pass through-hole H and through-hole O fixed connection with 2 lower 3 upper ends in bracing sleeve pipe through the bolt respectively, and 2 lower 3 lower extremes in bracing sleeve pipe set up the third U-shaped groove, set up through-hole Q14 on two walls in third U-shaped groove, 2 4 rear portions in ground side pipe set up through-hole R, through-hole Q14 is corresponding with the position of through-hole R, and 2 lower 3 lower extremes in bracing sleeve pipe pass through third U-shaped groove with the rear end of 2 pieces of ground side pipe 4 respectively The bolt passes through-hole Q and through-hole R fixed connection on the square pipe 4 in ground, and 2 down 3 middle parts of bracing sleeve set up through-hole S, 8 both ends of the fixed stull of bracing set up through-hole T, and 8 both ends of the fixed stull of bracing and 2 down 3 middle parts of bracing sleeve pass through-hole T and through-hole S fixed connection through the bolt. The above structure defines a lower telescopic structure in the telescopic direction. Namely, the front and back sides of the upper ends of the lower inclined strut casing pipes 3 are provided with a plurality of through holes O at even intervals, the left and right sides are provided with a plurality of through holes P at even intervals, and the lower ends of the 2 inclined strut square pipes 5 are respectively fixedly connected with the upper ends of the 2 lower inclined strut casing pipes 3 through bolts penetrating through the through holes H and the through holes O. Will realize flexible, fixed 2 bracing side pipe 5 lower parts set up through-hole H,2 down 3 upper ends front and back of bracing sleeve pipe set up a plurality of evenly spaced through-hole O, the left and right side sets up a plurality of evenly spaced through-hole P, consequently flexible extension just can select position through-hole O up at a plurality of evenly spaced through-hole O, then 2 bracing side pipe 5 lower extremes pass through-hole H and through-hole O fixed connection with 2 down bracing sleeve pipe 3 upper ends respectively through the bolt, realize flexible extension, and similarly, realize flexible shortening, just select position through-hole O down at a plurality of evenly spaced through-hole O, then 2 bracing side pipe 5 lower extremes pass through-hole H and through-hole O fixed connection with 2 down bracing sleeve pipe 3 upper ends respectively through the bolt, realize flexible shortening. Furthermore, the lower ends of the 2 diagonal bracing square tubes 5 are fixedly connected with the upper end drawings of the 2 lower diagonal bracing sleeve tubes 3 through bolts penetrating through the through holes H and the through holes P. That is 2 set up a plurality of evenly spaced through-holes O down 3 upper ends front and back sides of bracing sleeve pipe, the left and right sides sets up a plurality of evenly spaced through-holes P, can pass through-hole O and through-hole H fixed connection through the bolt, also can pass through-hole P and through-hole H fixed connection through the bolt, only need locate 2 at the cover 2 in the bracing sleeve pipe 3 down 5 direction of rotation are that through-hole P or through-hole O are relative with through-hole H position, just can realize that the bolt passes through-hole fixed connection. Further, the distance that a plurality of through-holes O evenly spaced is 15mm, and the distance that a plurality of through-holes P evenly spaced is 20 mm. The selection of the via O or the via P is selected according to the vertical rise and fall height. Since the plurality of through holes O are uniformly spaced apart by a distance of 15mm and the plurality of through holes P are uniformly spaced apart by a distance of 20mm, when in the height direction, the height rises by 5mm, and the length extends by 15mm in the expansion and contraction direction, the through holes O are selected on the plurality of uniformly spaced through holes O; the height direction was 10mm, and the length in the expansion/contraction direction was 20mm, and the holes P were selected from a plurality of uniformly spaced through holes. And so on in height. But only down in the selection of vias. 2 down the 3 lower extremes of bracing sleeve pipe set up the third U-shaped groove, set up through-hole Q14 on the two walls in third U-shaped groove, 2 root surface side 'S pipe 4 rear portions set up through-hole R, through-hole Q14 is corresponding with through-hole R' S position, 2 down 3 lower extremes of bracing sleeve pipe pass through-hole Q and through-hole R fixed connection with 2 root surface side 'S pipe 4 rear ends respectively with the bolt on root surface side' S pipe 4 through third U-shaped groove buckle, 2 down 3 middle parts of bracing sleeve pipe set up through-hole S, 8 both ends of the fixed stull of bracing set up through-hole T, and 8 both ends of the fixed stull of bracing and 2 down 3 middle parts of bracing sleeve pipe pass through-hole T and through-hole S fixed connection through the bolt. Above structure is 2 down the injectments of bracing sleeve 3 and 2 ground side' S pipe 4 connection structure to and the ascending reinforcement of bracing side, and 8 both ends of the fixed stull of bracing promptly pass through-hole T and through-hole S fixed connection with 2 down 3 middle parts of bracing sleeve through the bolt.

Referring to fig. 1, the upper ends of the 2 vertical posts 1 are provided with a protective cover mounting hole 16 and a matching device mounting hole 15, and the protective cover mounting hole 16 is arranged above the matching device mounting hole 15. In accordance with the purpose of the utility model, at the uppermost part of the vertical mast 1, there are provided a shield mounting hole 16 and a kit mounting hole 15, one for mounting a kit, and one for mounting a shield, i.e. a shield.

Example 2:

the same technical features in this embodiment as those in embodiment 1 are not described again, and the different features in this embodiment from those in embodiment 1 are:

an adjustable lifting support device, please refer to fig. 1, 2 the upper portion of vertical column 1 is provided with a circular through hole, 2 the upper end of upper inclined strut sleeve 6 is provided with a second U-shaped groove, two walls of the second U-shaped groove are provided with through holes W12, the position of the circular through hole corresponds to the position of through hole W12, and the upper end of the upper inclined strut sleeve 6 of 2 and the upper portion of vertical column 1 are inserted into the second U-shaped groove through vertical column 1, and a bolt penetrates through the circular through hole and the through hole W12 to be fixedly connected. In this embodiment, a circular through hole is provided at the upper part of the vertical column 1, and the upper ends of the 2 upper diagonal brace sleeves 6 and the upper part of the vertical column 1 are inserted into the second U-shaped groove through the vertical column 1, and the bolts pass through the circular through hole and are fixedly connected with the through hole W12. Namely, in the telescopic direction, the upper part is fixed, and the telescopic adjustment is not carried out in the telescopic direction any more.

The utility model provides an adjustable lift strutting arrangement, please refer to fig. 1, 2 5 upper portions in bracing side pipe set up through-hole G, and the lower part sets up through-hole H,2 go up 6 lower extremes in bracing sleeve pipe and set up through-hole M13,2 set up oval through-hole B down on the bracing sleeve pipe 3, pass through-hole G and through-hole M fixed connection through the bolt with 6 lower extremes in bracing sleeve pipe on 2 respectively in 2 bracing side pipe 5 upper ends, pass through-hole H and oval through-hole B fixed connection through the bolt with 2 lower bracing sleeve pipe 3 upper ends respectively in 2 bracing side pipe 5 lower extremes. The above structure defines a lower telescopic structure in the telescopic direction. The through hole M13 can move up and down on the oblong through hole B to adjust the lower portion in the telescopic direction. 2 set up long oval through-hole B on the bracing sleeve pipe 3 down, long oval through-hole B compares with through-hole M13, just is equivalent to a long oval runway of through-hole M13, lets the bolt be connected with bracing side pipe 5 through 6 lower extremes of fixed 2 last bracing sleeve pipes on different long oval through-hole B positions through-hole M13, realizes the flexible direction, the flexible function of lower part.

The above description is only for the purpose of illustrating a few embodiments of the present invention, and should not be taken as limiting the scope of the present invention, in which equivalent changes, modifications, or scaling up or down, etc. made in accordance with the spirit of the present invention should be considered as falling within the scope of the present invention.

Claims (8)

1. An adjustable lift strutting arrangement which characterized in that: comprises 2 vertical columns (1), 2 column sleeves (2), 2 diagonal support square pipes (5), 2 diagonal support sleeves, 2 ground square pipes (4), a vertical fixed cross brace (7) and a diagonal support fixed cross brace (8), wherein the vertical columns are respectively sleeved in the 2 column sleeves and fixedly connected with adjustable height, the 2 column sleeves (2) are respectively fixedly connected with the front ends of the 2 ground square pipes, the 2 diagonal support square pipes comprise 2 upper diagonal support sleeves (6) and 2 lower diagonal support sleeves (3), the upper ends of the 2 diagonal support square pipes (5) are respectively sleeved in the 2 upper diagonal support sleeves (6) and fixedly connected with the lower ends of the 2 diagonal support square pipes (5) and are respectively sleeved in the 2 lower diagonal support sleeves (3) in a telescopic fixed connection manner, and the lower ends of the 2 lower diagonal support sleeves (3) are respectively fixedly connected with the rear ends of the 2 ground square pipes (4), 2 go up bracing sleeve pipe (6) upper end respectively with the scalable fixed connection of 2 perpendicular stands (1), perpendicular fixed stull (7) both ends respectively with 2 stand sleeve pipes (2) fixed connection, the fixed stull of bracing (8) both ends respectively with 2 down bracing sleeve pipes (3) fixed connection.

2. An adjustable lifting support device as defined in claim 1, wherein: a plurality of through holes A (9) are uniformly arranged on the vertical upright post (1) at intervals, a plurality of through holes B (10) are uniformly arranged on the upright post sleeve (2) at intervals, the positions of the through holes A (9) correspond to the positions of the through holes B (10), the vertical upright post (1) is sleeved in the upright post sleeve (2) and fixedly connected with the through holes A (9) and the through holes B (10) through bolts, 2 first U-shaped grooves are arranged at the lower end of the upright post sleeve (2), through holes C are arranged on two walls of each first U-shaped groove, through holes D are arranged at the front parts of the 2 ground square tubes (4), the through holes C correspond to the through holes D, 2 upright post sleeves (2) are respectively buckled with the front ends of the 2 ground square tubes (4) on the ground square tubes (4) through the first U-shaped grooves and fixedly connected with the through holes C and the through holes D through bolts, the lower ends of the 2 upright post sleeves (2) are provided with through holes E (11), through holes F are formed in two ends of the vertical fixing cross brace (7), and two ends of the vertical fixing cross brace (7) and the 2 upright post sleeves (2) penetrate through the through holes E (11) and are fixedly connected with the through holes F through bolts.

3. An adjustable lifting support device as claimed in claim 2, wherein: the uniform spacing distance between a plurality of through holes A (9) is 5mm, and the uniform spacing distance between a plurality of through holes B (10) is 5 mm.

4. An adjustable lifting support device as defined in claim 1, wherein: 2 perpendicular stand (1) upper portion sets up oblong through-hole A, 2 go up bracing sleeve pipe (6) upper end and set up the second U-shaped groove, set up through-hole W (12) on the two walls of second U-shaped groove, oblong through-hole A position is corresponding with through-hole W (12) position, and 2 go up bracing sleeve pipe (6) upper end and perpendicular stand (1) upper portion and insert the bolt in the second U-shaped groove through perpendicular stand (1) and pass oblong through-hole A and through-hole W (12) fixed connection.

5. An adjustable lifting support device as defined in claim 1, wherein: 2 through holes G are arranged at the upper part of the inclined strut square pipe (5), through holes H are arranged at the lower part of the inclined strut square pipe, 2 through holes M (13) are arranged at the lower end of the upper inclined strut sleeve pipe (6), 2 through holes O with uniform intervals are arranged at the front and back sides of the upper end of the lower inclined strut sleeve pipe (3), a plurality of through holes P with uniform intervals are arranged at the left and right sides of the inclined strut sleeve pipe, the upper end of the 2 inclined strut square pipe (5) respectively passes through the through holes G and M (13) through bolts at the lower end of the 2 upper inclined strut sleeve pipes (6), the lower end of the 2 inclined strut square pipe (5) respectively passes through the through holes H and O through bolts at the upper end of the 2 lower inclined strut sleeve pipes (3), a third U-shaped groove is arranged at the lower end of the 2 lower inclined strut sleeve pipes (3), through holes Q (14) are arranged on two walls of the third U-shaped groove, a through hole R is arranged at the rear part of the 2 ground square pipe (4), and the through hole Q (14) corresponds to the position of the through hole R, the lower ends of the 2 lower inclined strut casing pipes (3) are respectively buckled with the rear ends of the 2 ground square pipes (4) through a third U-shaped groove to pass through a through hole Q and a through hole R fixedly connected with the bolt on the ground square pipes (4), the middle parts of the 2 lower inclined strut casing pipes (3) are provided with a through hole S, the two ends of the inclined strut fixing cross struts (8) are provided with through holes T, and the two ends of the inclined strut fixing cross struts (8) and the middle parts of the 2 lower inclined strut casing pipes (3) are fixedly connected with the through holes T and the through holes S through bolts.

6. An adjustable lifting support device as claimed in claim 5, wherein: the distance that a plurality of through-holes O evenly spaced is 15mm, and the distance that a plurality of through-holes P evenly spaced is 20 mm.

7. An adjustable lifting support device as claimed in claim 5, wherein: the lower ends of the 2 inclined strut square tubes (5) are fixedly connected with the upper end images of the 2 lower inclined strut sleeves (3) through bolts penetrating through the through holes H and the through holes P.

8. An adjustable lifting support device as defined in claim 1, wherein: 2 perpendicular stand (1) upper end sets up protection casing mounting hole (16) and supporting device mounting hole (15), protection casing mounting hole (16) set up on supporting device mounting hole (15).

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