CN216892465U

CN216892465U - Supporting device for cement stabilized macadam base construction

Info

Publication number: CN216892465U
Application number: CN202220495091.0U
Authority: CN
Inventors: 唐荣鹏; 陈超; 秦晓峰; 罗德英; 汪慰慈
Original assignee: PowerChina Roadbridge Group Co Ltd
Current assignee: PowerChina Roadbridge Group Co Ltd
Priority date: 2022-03-09
Filing date: 2022-03-09
Publication date: 2022-07-05
Anticipated expiration: 2032-03-09

Abstract

The utility model provides a supporting device for cement stabilized macadam base construction, which comprises a supporting vertical plate and a plurality of foldable supporting frames uniformly distributed on the supporting vertical plate, the support frame comprises a support cross rod, a telescopic support diagonal rod and a fixed seat, one end of the support cross rod is connected with the support vertical plate through a connecting piece, the other end of the support cross rod is connected with the support diagonal rod in a sliding way, one end of the supporting inclined rod is hinged on the upper part of the supporting vertical plate, the other end of the supporting inclined rod is hinged with the fixed seat, the fixing seat is provided with a fixing hole, the supporting cross rod can be turned for ninety degrees through the connecting piece, the whole mounting and dismounting process of the utility model is convenient and rapid, the time that the process was used and the manpower that consumes are torn open in can effectual reduction ann, have improved strutting arrangement installation effectiveness, and then have improved the efficiency of construction of engineering, and the flexibility is high, the practicality is strong.

Description

Supporting device for cement stabilized macadam base construction

Technical Field

The utility model belongs to the technical field of pavement engineering, and particularly relates to a supporting device for cement stabilized macadam base construction.

Background

With the continuous improvement of the transportation level and the continuous increase of heavy-duty vehicles in China, the development of the road engineering in the directions of high bearing capacity, high standard and the like is required as a bearing layer-base layer of a road, the cement-stabilized macadam mixture has the performances of certain strength, higher bearing capacity, rapid construction, low crack and the like, is a high-grade highway subbase layer and base layer semi-rigid pavement material commonly used in China, takes graded macadam as aggregate, adopts a certain amount of cementing material and enough mortar volume to fill the gap of the aggregate, is paved and compacted according to the embedding and extruding principle, is not muddy when meeting rain after survival, has a solid surface, and has the advantages of good plate body property, water stability and frost resistance, adjustable mechanical strength according to actual requirements, strong integral bearing capacity and the like, and can be popularized and applied.

The supporting device for cement stabilized macadam foundation construction plays a role in supporting and stabilizing in the construction process, the foundation structure after construction is completed has good stability, but the existing supporting device for cement stabilized macadam construction is often required to carry supporting steel plates and supporting reinforcing steel bars to the site for assembly, the installation and disassembly processes are time-consuming and labor-consuming, the construction quality and the construction efficiency are greatly influenced, and the supporting device is poor in stability.

Disclosure of Invention

The utility model aims to provide a supporting device for cement stabilized macadam base construction, and solves the problems that the supporting device in the prior art is complex in installation and disassembly, time-consuming and labor-consuming, influences construction quality and construction efficiency and the like.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides a rubble basic unit construction is with strutting arrangement is stabilized to cement, is including strutting the riser and evenly laying strut a plurality of folded cascade support framves on the riser, the support frame is including supporting horizontal pole, telescopic support down tube and fixing base, support horizontal pole one end pass through the connecting piece with strut the riser and connect, the other end with support down tube sliding connection, it articulates to support down tube one end strut riser upper portion, the other end with the fixing base is articulated mutually, be equipped with the fixed orifices on the fixing base, it passes through to support the horizontal pole the connecting piece ninety degrees can overturn.

Preferably, support the down tube and include that inside cavity and lower extreme open-ended sleeve, slip setting are in extension rod, setting in the sleeve are in fixing bolt between sleeve and the extension rod, the sleeve upper end through articulated seat with it connects to strut the riser, the fixing base articulates in the extension rod bottom, support the horizontal pole with sleeve sliding connection, fixing bolt threaded connection be in the sleeve is kept away from strut the riser end, a plurality of screw holes have evenly been laid to the extension rod, fixing bolt with screw hole looks adaptation.

Preferably, the bottom of the side face of the supporting cross rod, which is close to one side of the supporting inclined rod, is provided with a sliding pin, the supporting inclined rod is provided with a first linear sliding groove along the length direction of the supporting inclined rod, the extension rod is provided with a second linear sliding groove along the length direction of the extension rod, and the sliding pin is matched with the second linear sliding groove and the first linear sliding groove.

Preferably, the connecting piece comprises a first connecting frame connected with the supporting vertical plate, a second connecting frame connected with the supporting cross rod and a self-locking device arranged between the first connecting frame and the second connecting frame, the cross sections of the first connecting frame and the second connecting frame are U-shaped, and the second connecting frame is hinged in the first connecting frame.

Preferably, the self-locking device comprises a connecting cylinder, a connecting rod, a spring, a pressing rod, a pressing head and an arc-shaped groove, one end of the connecting rod is connected inside the connecting cylinder in a sliding manner, the other end of the connecting rod is rotatably connected with one side edge of the first connecting frame and one side edge of the second connecting frame, the other end of the connecting cylinder penetrates through the second connecting frame and is connected with the pressing rod, the connecting cylinder is in clearance fit with the second connecting frame, the pressing head is connected with the other end of the pressing rod, the spring is sleeved on the outer surface of the connecting rod, two ends of the spring are respectively connected with the connecting cylinder and the second connecting frame, the arc-shaped groove penetrates through the side wall of the first connecting frame, which is close to one side of the connecting cylinder, the pressing rod can move along the arc-shaped groove, the arc-shaped groove comprises an arc-shaped section and a circular groove which is positioned at one end of the arc-shaped section, the width of the arc-shaped section is larger than the diameter of the pressing rod, the diameter of the circular groove is larger than or equal to the diameter of the connecting cylinder.

Preferably, still including articulating strut the diaphragm of strutting the riser bottom, strut the diaphragm and be equipped with the recess that runs through bottom surface from top to bottom, be equipped with the fixed cone mechanism of liftable in the recess.

Preferably, the fixed cone mechanism includes: the fixed plate is connected with the groove in a sliding mode, the fixed cones are evenly distributed on the bottom face of the fixed plate, and the scissor fork frame assembly is arranged between the fixed plate and the groove and can drive the fixed plate to move up and down.

Preferably, the fork carriage assembly comprises: the fork shearing mechanism comprises a fork shearing frame, a sliding block, a sliding rail, a moving block and a fixed rod, wherein the sliding block is hinged with two end points of the upper part of the fork shearing frame, the sliding rail is arranged on the bottom surface of the fixed plate and is in sliding connection with the sliding block, the moving block is hinged with two end points of the lower part of the fork shearing frame, the fixed rod penetrates through the moving block and is in rotating connection with the moving block, and two ends of the fixed plate are fixedly connected to the side wall of the groove.

Compared with the prior art, the utility model has the advantages that:

1. according to the utility model, the foldable support frame is arranged on the support vertical plate, the support cross rod rotates ninety degrees through the connecting piece, the folding state of the vertical state is changed into the horizontal support state, the support diagonal rod connected with the support cross rod in a sliding way is driven to be changed from the folding state of the vertical state into the inclined support state, and then the ground nail is inserted into the fixing hole of the fixing seat to complete the installation of the support device;

2. the support cross rod and the support inclined rod are arranged, so that the support strength and the stability of the support device are improved, the telescopic support inclined rod is convenient to store, the device can be suitable for various terrains, and the applicability of the device is improved;

3. according to the utility model, the fixed cone mechanism is arranged on the supporting transverse plate, so that the ground gripping force of the supporting device is increased, the supporting device is more stably installed on the ground, and the stability and the supporting strength of the supporting device are further improved;

4. according to the supporting device, the fork frame assembly drives the fixing plate to lift, so that the fixing cone on the fixing plate is driven to move up and down, the fixing cone is located in the groove when the supporting device is not used and in the carrying process, the condition that constructors are injured due to the fact that the fixing cone is exposed is effectively avoided, and the safety performance of the supporting device is improved.

Drawings

To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.

FIG. 1 is a schematic structural view of a supporting device for cement stabilized macadam foundation construction;

FIG. 2 is a schematic structural view of a support frame of the support device for cement stabilized macadam foundation construction;

FIG. 3 is a schematic view showing a structure of a connecting member of a supporting device for cement stabilized macadam foundation construction;

FIG. 4 is a front view of a connecting member of a supporting device for constructing a cement stabilized macadam foundation;

FIG. 5 is a schematic structural view of a second connecting frame of the supporting device for cement stabilized macadam foundation construction;

FIG. 6 is a schematic structural view of a supporting device for cement stabilized macadam foundation construction, which is provided with a supporting transverse plate;

FIG. 7 is a schematic structural view of a fixed cone mechanism of a supporting device for cement stabilized macadam foundation construction;

FIG. 8 is a side view of a fixed cone mechanism of a supporting device for cement stabilized macadam foundation construction;

reference numerals: 1-supporting vertical plates, 2-supporting frames, 3-supporting cross rods, 4-supporting inclined rods, 5-fixing seats, 6-connecting pieces, 7-fixing holes, 8-sleeves, 9-extension rods, 10-fixing bolts, 11-hinged seats, 12-threaded holes, 13-sliding pins, 14-first linear sliding grooves, 15-second linear sliding grooves, 16-first connecting frames, 17-second connecting frames, 18-self-locking devices, 19-connecting cylinders, 20-connecting rods, 21-springs, 22-pressing rods, 23-pressing heads, 24-arc-shaped grooves, 25-arc-shaped sections, 26-circular grooves, 27-transverse plate supports, 28-grooves, 29-fixing cone mechanisms, 30-fixing plates, 31-fixing cones, a screw rod, a pressing head, a screw rod, a spring, a pressing head, a pressing plate, a supporting vertical plate, a supporting plate and a supporting plate, a supporting plate and a supporting plate, a supporting groove, a supporting plate, a pressing plate, a supporting frame, 32-scissor rack assembly, 33-scissor rack, 34-sliding block, 35-sliding rail, 36-moving block and 37-fixed rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the products of the present invention are used, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the device or element which is referred to must have a specific orientation, be constructed in a specific orientation and be operated, and thus, should not be construed as limiting the present invention.

Furthermore, the appearances of the terms "first," "second," "third," and the like, if any, are only used to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.

As shown in fig. 1, a supporting device is used in construction of cement stabilized macadam basic unit, including strutting riser 1 and evenly laying a plurality of folded cascade support 2 on the riser 1, support 2 including supporting horizontal pole 3, telescopic support down tube 4 and fixing base 5, support 3 one end of horizontal pole through the connecting piece 6 with support riser 1 and connect, the other end with support 4 sliding connection of down tube, support 4 one ends of down tube articulate support 1 upper portion of riser, the other end with fixing base 5 is articulated mutually, be equipped with fixed orifices 7 on the fixing base 5, support horizontal pole 3 pass through connecting piece 6 can overturn ninety degrees.

It should be noted that the supporting vertical plate 1 and the supporting frame 2 can adopt conventional steel materials, and the rotation of the supporting cross bar 3 by ninety degrees through the connecting piece 6 is carried out on a vertical surface vertical to the supporting vertical plate 1; when the supporting device is not used, the supporting cross rods 3 and the supporting vertical rods are in a vertical folding state parallel to the supporting vertical plates 1, and the supporting device does not occupy space for storage; when needs are strutted, support horizontal pole 3 and pass through the ninety degrees of connecting piece 6 rotation, fold condition by vertical state becomes the horizontally support state, and drive rather than sliding connection support down tube 4 becomes the support state of slope by the fold condition of vertical state, advance the installation that can accomplish supporting device in the fixed orifices 7 of ground nail insertion fixing base 5 again, when needs are dismantled, only need to extract the ground nail, it can with whole support frame 2 folding on strutting riser 1 to rotate support horizontal pole 3, whole installation dismantlement process convenient and fast, can effectual reduction ann tear the time of in-process use and the manpower that consumes, supporting device installation effectiveness has been improved, and then the efficiency of construction of engineering has been improved, the device flexibility is high, therefore, the clothes hanger is strong in practicability.

As shown in fig. 2, the supporting diagonal rod 4 includes a hollow sleeve 8 with an open lower end, an extension rod 9 arranged in the sleeve 8 in a sliding manner, and a fixing bolt 10 arranged between the sleeve 8 and the extension rod 9, the upper end of the sleeve 8 is connected with the supporting vertical plate 1 through a hinge seat 11, the fixing seat 5 is hinged to the bottom end of the extension rod 9, the supporting cross rod 3 is connected with the sleeve 8 in a sliding manner, the fixing bolt 10 is in threaded connection with the sleeve 8 far away from the supporting vertical plate 1, a plurality of threaded holes 12 are uniformly distributed on the extension rod 9, and the fixing bolt 10 is matched with the threaded holes 12.

The bottom of the side face of the supporting cross rod 3, which is close to one side of the supporting inclined rod 4, is provided with a sliding pin 13, the supporting inclined rod 4 is provided with a first linear sliding groove 14 along the length direction of the supporting inclined rod, the extension rod 9 is provided with a second linear sliding groove 15 along the length direction of the extension rod, and the sliding pin 13 is matched with the second linear sliding groove 15 and the first linear sliding groove 14.

It should be noted that, when the support cross bar 3 rotates ninety degrees and is completely in a horizontal state, the sliding pin 13 should be located at the end of the first linear sliding groove 14 close to the support vertical plate 1, and the principle that the support cross bar 3 drives the support diagonal bar 4 to move is as follows: the supporting cross rod 3 rotates ninety degrees around the connecting piece 6, the sliding pin 13 moves from one end far away from the supporting vertical plate 1 to the other end along the first linear sliding groove 14, then the supporting diagonal rod 4 is driven to move from a vertical state to an inclined state, then the fixing bolt 10 is loosened, so that the extension rod 9 can slide out in the sleeve 8, the length of the supporting diagonal rod 4 is adjusted, the supporting diagonal rod is suitable for various terrains, and the fixing bolt 10 is screwed into the corresponding threaded hole 12 after the length is adjusted properly;

as shown in fig. 3-5, the connecting member 6 includes a first connecting frame 16 connected to the supporting riser 1, a second connecting frame 17 connected to the supporting cross-bar 3, and a self-locking device 18 disposed between the first connecting frame 16 and the second connecting frame 17, the cross-sections of the first connecting frame 16 and the second connecting frame 17 are u-shaped, and the second connecting frame 17 is hinged in the first connecting frame 16.

Wherein, the self-locking device 18 comprises a connecting cylinder 19, a connecting rod 20, a spring 21, a pressing rod 22, a pressing head 23 and an arc-shaped groove 24, one end of the connecting rod 20 is slidably connected inside the connecting cylinder 19, the other end of the connecting rod is rotatably connected with one side of the first connecting frame 16 and the second connecting frame 17, the other end of the connecting cylinder 19 penetrates through the second connecting frame 17 and is connected with the pressing rod 22, the connecting cylinder 19 is in clearance fit with the second connecting frame 17, the pressing head 23 is connected with the other end of the pressing rod 22, the spring 21 is sleeved on the outer surface of the connecting rod 20, two ends of the spring are respectively connected with the connecting cylinder 19 and the second connecting frame 17, the arc-shaped groove 24 penetrates through the side wall of the first connecting frame 16 close to one side of the connecting cylinder 19, the pressing rod 22 can move along the arc-shaped groove 24, the arc-shaped groove 24 comprises an arc-shaped section 25 and a circular groove 26 positioned at one end of the arc-shaped section 25, the width of the arc-shaped section 25 is larger than the diameter of the pressing rod 22 and smaller than the diameter of the connecting cylinder 19, and the diameter of the circular groove 26 is larger than or equal to the diameter of the connecting cylinder 19.

It should be noted that the working principle of the connecting member 6 is as follows: when the support frame 2 is in a folded state, the first connecting frame 16 and the second connecting frame 17 are in a parallel state, the pressing rod 22 is located at the end of the arc-shaped groove 24, the spring 21 is in a compressed state, when the support device needs to be unfolded for supporting, the support cross rod 3 is rotated, so that the support cross rod 3 drives the second connecting frame 17 to rotate, the pressing rod 22 moves along the arc-shaped groove 24, and when the circular groove 26 at the other end of the arc-shaped groove 24 is moved, the diameter of the circular groove 26 is larger than or equal to that of the connecting cylinder 19, so that the connecting cylinder 19 enters the circular groove 26 under the action of the restoring force of the spring 21, and further ninety-degree rotation and locking of the support cross rod 3 are completed; when needs are folded with a support frame 2, according to the head 23 make press the depression bar 22 be arranged in arc wall 24, rotatory support horizontal pole 3 makes second link 17 rotate on first link 16 simultaneously, press the interior motion of depression bar 22 in arc wall 24, be in the state that is parallel to each other until first link 16 and second link 17, then accomplish a support frame 2 folding, this connecting piece 6 simple structure is reasonable, convenient operation, the flexibility is strong.

As shown in fig. 6, the device also comprises a supporting transverse plate 27 hinged at the bottom of the supporting vertical plate 1, the supporting transverse plate 27 is provided with a groove 28 penetrating through the upper and lower bottom surfaces, and a liftable fixed cone 31 mechanism 29 is arranged in the groove 28; the arrangement of the supporting transverse plate and the fixing cone 31 mechanism 29 further increases the stability and the ground grabbing force of the supporting device, so that the supporting device is more stably installed on the ground, and the supporting strength of the supporting device is further improved; the fixed cone 31 mechanism 29 is liftable, so that the condition that constructors are injured due to the fact that the fixed cone 31 is exposed can be effectively avoided, and the safety performance of the supporting device is improved.

As shown in fig. 7, the fixed cone 31 mechanism 29 includes: the fixing plate 30 is connected with the groove 28 in a sliding mode, a plurality of fixing cones 31 are uniformly distributed on the bottom surface of the fixing plate 30, and a fork frame 33 assembly 32 is arranged between the fixing plate 30 and the groove 28 and can drive the fixing plate 30 to move up and down. In order to facilitate the upward lifting of the fixing plate 30, a handle may be provided at the upper end of the fixing plate 30 for convenient operation.

As shown in fig. 8, the fork carriage 33 assembly 32 includes: the fork shearing mechanism comprises a fork shearing frame 33, a sliding block 34, a sliding rail 35, a moving block 36 and a fixed rod 37, wherein the sliding block 34 is hinged with two upper end points of the fork shearing frame 33, the sliding rail 35 is arranged on the bottom surface of the fixed plate 30 and is connected with the sliding block 34 in a sliding mode, the moving block 36 is hinged with two lower end points of the fork shearing frame 33, the fixed rod 37 penetrates through the moving block 36 and is connected with the moving block 36 in a rotating mode, and two ends of the fixed plate 30 are fixedly connected to the side wall of the groove 28.

The working principle of the fixed cone 31 mechanism 29 is as follows: when the supporting device needs to be fixed, only a downward pressing force needs to be applied to the fixing plate 30, the fork shearing frame 33 contracts and further drives the fixing plate 30 to move downwards, and further drives the fixing cone 31 to move downwards and further prick into the bottom surface to complete fixing, and when the supporting device needs to be dismantled, only the fixing plate 30 needs to be lifted upwards.

Finally, it is noted that the above-mentioned embodiments illustrate rather than limit the utility model, and that, while the utility model has been described with reference to preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides a construction of rubble basic unit is stabilized with strutting arrangement which characterized in that to cement: including strutting riser (1) and evenly laying strut a plurality of folded cascade support (2) on riser (1), support (2) including supporting horizontal pole (3), telescopic support down tube (4) and fixing base (5), support horizontal pole (3) one end pass through connecting piece (6) with strut riser (1) and connect, the other end with support down tube (4) sliding connection, support down tube (4) one end and articulate it articulates to strut riser (1) upper portion, the other end with fixing base (5) are articulated mutually, be equipped with fixed orifices (7) on fixing base (5), it passes through to support horizontal pole (3) connecting piece (6) can overturn ninety degrees.

2. The supporting device for cement stabilized macadam foundation construction according to claim 1, wherein: support down tube (4) including inside cavity and lower extreme open-ended sleeve (8), slip setting and be in extension rod (9), setting in sleeve (8) are in fixing bolt (10) between sleeve (8) and extension rod (9), sleeve (8) upper end through articulated seat (11) with strut riser (1) and connect, fixing base (5) articulate in extension rod (9) bottom, support horizontal pole (3) with sleeve (8) sliding connection, fixing bolt (10) threaded connection be in sleeve (8) is kept away from strut riser (1) end, a plurality of screw holes (12) have evenly been laid in extension rod (9), fixing bolt (10) with screw hole (12) looks adaptation.

3. The supporting device for cement stabilized macadam foundation construction according to claim 2, wherein: the utility model discloses a support lifter, including support horizontal pole (3), extension rod (9), support down tube (4), support horizontal pole (3) are close to the side bottom of supporting down tube (4) one side is equipped with a sliding pin (13), support down tube has seted up first linear spout (14) along its length direction, extension rod (9) are equipped with second linear spout (15) along its length direction, sliding pin (13) with second linear spout (15) with first linear spout (14) looks adaptation.

4. The supporting device for cement stabilized macadam foundation construction according to claim 1, wherein: the connecting piece (6) comprises a first connecting frame (16) connected with the supporting vertical plate (1), a second connecting frame (17) connected with the supporting cross rod (3) and a self-locking device (18) arranged between the first connecting frame (16) and the second connecting frame (17), the cross sections of the first connecting frame (16) and the second connecting frame (17) are U-shaped, and the second connecting frame (17) is hinged in the first connecting frame (16).

5. The supporting device for cement stabilized macadam foundation construction according to claim 4, wherein: the self-locking device (18) comprises a connecting cylinder (19), a connecting rod (20), a spring (21), a pressing rod (22), a pressing head (23) and an arc-shaped groove (24), one end of the connecting rod (20) is connected inside the connecting cylinder (19) in a sliding mode, the other end of the connecting rod is connected with one side edge of the first connecting frame (16) and one side edge of the second connecting frame (17) in a rotating mode, the other end of the connecting cylinder (19) penetrates through the second connecting frame (17) to be connected with the pressing rod (22), the connecting cylinder (19) is in clearance fit with the second connecting frame (17), the pressing head (23) is connected to the other end of the pressing rod (22), the spring (21) is sleeved on the outer surface of the connecting rod (20), two ends of the spring are respectively connected with the connecting cylinder (19) and the second connecting frame (17), the arc-shaped groove (24) penetrates through the side wall of the first connecting frame (16) close to one side of the connecting cylinder (19), the pressing rod (22) can move along the arc-shaped groove (24), the arc-shaped groove (24) comprises an arc-shaped section (25) and a circular groove (26) located at one end of the arc-shaped section (25), the width of the arc-shaped section (25) is larger than the diameter of the pressing rod (22) and smaller than the diameter of the connecting cylinder (19), and the diameter of the circular groove (26) is larger than or equal to the diameter of the connecting cylinder (19).

6. The supporting device for cement stabilized macadam foundation construction according to claim 1, wherein: the supporting structure is characterized by further comprising a supporting transverse plate (27) hinged to the bottom of the supporting vertical plate (1), wherein a groove (28) penetrating through the upper bottom surface and the lower bottom surface is formed in the supporting transverse plate (27), and a liftable fixed cone mechanism (29) is arranged in the groove (28).

7. The supporting device for cement stabilized macadam foundation construction according to claim 6, wherein: the fixed cone mechanism (29) includes: the fixing plate (30) is connected with the groove in a sliding mode, the fixing cones (31) are uniformly distributed on the bottom surface of the fixing plate (30), and the shearing fork frame assembly (32) is arranged between the fixing plate (30) and the groove (28) and can drive the fixing plate (30) to move up and down.

8. The supporting device for cement stabilized macadam foundation construction according to claim 7, wherein: the scissors assembly (32) comprises: the fork shearing mechanism comprises a fork shearing frame (33), sliding blocks (34) hinged with two end points of the upper portion of the fork shearing frame (33), sliding rails (35) arranged on the bottom surface of the fixing plate (30) and connected with the sliding blocks (34) in a sliding mode, moving blocks (36) hinged with two end points of the lower portion of the fork shearing frame (33), and fixing rods (37) penetrating through the moving blocks (36) and connected with the moving blocks (36) in a rotating mode, wherein two ends of the fixing plate (30) are fixedly connected to the side wall of the groove (28).