CN115369776A - Bridge construction support protection method and device - Google Patents

Abstract

The invention discloses a bridge construction support and protection method and device, which relate to the technical field of building construction and include a support frame, a plurality of sets of universal wheels are arranged on the bottom of the support frame, and two sets of universal wheels are arranged on the two sides of the support frame to slide towards each other. A support assembly, the support assembly includes a support cylinder and a bearing plate, the bearing plate is vertically slidably arranged on the support cylinder through the adjustment assembly, and the support frame is provided with a driving mechanism for driving the two support assemblies to slide toward each other, Multiple sets of support columns are vertically slid on the support frame, and the drive mechanism drives the two support components to slide towards each other while driving multiple sets of support columns to slide vertically through multiple sets of transmission components; The positions of the two supporting components are adjusted, and the driving mechanism of the supporting columns drives the two supporting components to slide towards each other, and at the same time drives the multiple sets of supporting columns to slide vertically through multiple sets of transmission components.

Description

Method and device for supporting and protecting bridge construction

technical field

The invention relates to the technical field of building construction, in particular to a method and device for supporting and protecting bridge construction.

Background technique

With the improvement of living standards and the development of science and technology, people's requirements for travel are getting higher and higher, and the distribution of grassroots construction such as bridges and roads is also becoming more and more extensive. passing structures. In order to adapt to the modern high-speed development of the transportation industry, bridges are also extended to buildings that cross mountain streams, poor geology or meet other transportation needs to make traffic more convenient. A bridge is generally composed of a superstructure, a substructure, a support and ancillary structures. The superstructure is also called a bridge span structure, which is the main structure for crossing obstacles; the substructure includes abutments, piers and foundations; Or the force transmission device installed at the supporting place of the bridge abutment; the auxiliary structures refer to the bridge head plate, conical slope protection, revetment, diversion engineering, etc. The bridge can greatly facilitate people's travel and improve travel efficiency. During the construction of bridges, it is often necessary to provide auxiliary support to the bottom or outside of the bridge, so as to facilitate the docking and fixing of bridge components at both ends.

For example, the application number: 202022662012.4, titled "A Supporting Device for Road and Bridge Construction", includes two support boxes, the bottoms of the two support boxes are fixed with two pulleys through bearings, and the two support boxes A control box is fixedly installed above the control box, and a vertical sleeve is fixedly installed above the control box. The inside of the vertical sleeve is movably socketed with a telescopic column, and the top of the telescopic column is movably socketed with a sliding pipe. The top of the sliding tube is movably equipped with a support base, the right end of the support box on the left side is fixedly equipped with a control box, and the inside of the left support box is fixedly fitted with a horizontal socket, and the internal movable socket of the horizontal socket has a Telescopic link, the control box at the right end of the support box on the left side and the support box on the right side are movably connected with evenly distributed stabilizing bars, and a rotating joint is movably installed between the stabilizing bars.

In the above-mentioned patents, through the cooperation between the horizontal socket pipe, telescopic rod, rotating joint, etc., the support device for road and bridge construction can control the internal movable sleeve of the vertical socket pipe under the action of the vertical socket pipe and the control box. The telescopic column expands and contracts, so that the support base and the support plate can be in contact with the bottom of the bridge, and play a role in supporting and fixing the bridge. It is known that when the support and protection device plays a supporting role on the bridge, the bottom of the supporting device must be stable to avoid accidents. In the above-mentioned patent, the pulley is set to facilitate the movement of the supporting device, but when it plays a supporting role, the pulley is still In contact with the ground, there are potential safety hazards.

Contents of the invention

The object of the present invention is to provide a bridge construction support protection method and device to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the present invention provides the following technical solutions: a bridge construction support and protection device, including a support frame, a plurality of sets of universal wheels are arranged on the bottom of the support frame, and sliding wheels are provided on both sides of the support frame A support assembly, the support assembly includes a support cylinder and a bearing plate, the bearing plate is vertically slid on the support cylinder through the adjustment assembly, and the support frame is provided with a driving mechanism for driving the two support assemblies to slide towards each other, Multiple sets of support columns are vertically slidably arranged on the support frame, and the driving mechanism drives two sets of support components to slide towards each other, and at the same time drives multiple sets of support columns to slide vertically through multiple sets of transmission components.

Further, the drive mechanism includes a servo motor installed on the support frame, and a two-way screw rod is connected to the inside of the support frame for rotation, and the servo motor drives the two-way screw rod to rotate. Both sides of the support frame are slidably provided with As for the driving block, each of the supporting components is respectively arranged on the corresponding driving block, and the two driving blocks are respectively threaded on both sides of the two-way screw rod.

Further, a plurality of sets of through grooves are provided on the bottom of the support frame, each of the support columns is slidably arranged on the support frame through the through grooves, and a non-slip base is provided on the bottom of each of the support columns.

Further, the transmission assembly includes a force-bearing block, the force-bearing block is arranged on the supporting column, and a return spring is arranged between the force-receiving block and the support frame, and the return spring drives the force-bearing block away from the support frame, Each of the driving blocks abuts against the corresponding force receiving block respectively, a wedge-shaped surface is formed on each of the driving blocks, and an inclined surface is formed on the top of the force receiving block, and the wedge-shaped surface abuts against the inclined surface.

Further, each of the driving blocks is provided with a limit bar, and the inner wall of the support frame is provided with a limit slot that is compatible with the limit bar, and each of the limit bars is respectively slidably arranged on the corresponding limit bar. in the bit slot.

Further, the adjustment assembly includes two driving screw rods rotatably connected inside the support cylinder, one of the support cylinders is provided with a drive motor inside, and the drive motor is coaxially connected with one of the drive screw rods, and the support A drive frame is vertically slidable on the tube, the drive screw is screwed to the drive frame, the bearing plate is arranged on the top of the drive frame, the two support tubes are connected through the connection frame, and the gap between the two drive screws is A transmission unit is provided, and the transmission unit is arranged in the connection frame.

Further, there are two groups of the two-way screw rods, and the two two-way screw rods are connected by transmission through a synchronous unit.

Further, the synchronizing unit includes two synchronizing wheels, the two synchronizing wheels are respectively arranged on two bidirectional screw rods, and the two synchronizing wheels are connected by a synchronous belt transmission.

Further, a slide groove is opened on the support frame, and the support cylinder is slidably arranged on the support frame through the slide groove.

A method for using a bridge construction support protection device, comprising the following steps: S1: first move to a predetermined position through universal wheels;

S2: drive the two supporting components to slide to a predetermined position through the driving mechanism;

S3: While the position of the support assembly is adjusted, the support column is driven to slide downward through the transmission assembly;

S4: The support column slides down to the ground until the universal wheel is driven off the ground;

S5: Drive the bearing plate to slide upwards to a predetermined position by adjusting the assembly.

Compared with the prior art, the beneficial effects of the present invention are: the bridge construction support protection method and device, through the support frame, universal wheel, support column, support assembly, support cylinder, drive mechanism, bearing plate, and transmission assembly The cooperation between them, by setting the driving mechanism, it is convenient to adjust the position of the two supporting components according to the needs of different workers. The driving mechanism of the supporting column drives the two supporting components to slide towards each other, and at the same time drives multiple sets of supporting columns to slide vertically through multiple sets of transmission components. , when the support column touches the ground and the universal wheel rises, the stability of the support protection device can be effectively improved, and the use effect is good.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the accompanying drawings that are required in the embodiments. Obviously, the accompanying drawings in the following description are only described in the present invention For some embodiments of the present invention, those skilled in the art can also obtain other drawings according to these drawings.

FIG. 1 is a schematic diagram of the overall structure provided by an embodiment of the present invention;

Fig. 2 is a schematic diagram of the overall top view structure provided by the embodiment of the present invention;

Fig. 3 is a schematic diagram of the cross-sectional structure along A-A in Fig. 2;

Fig. 4 is a schematic diagram of the internal structure of the support frame provided by the embodiment of the present invention;

FIG. 5 is a schematic diagram of a partial structure provided by an embodiment of the present invention;

Fig. 6 is a schematic diagram of a partial structure of a driving mechanism provided by an embodiment of the present invention.

Explanation of reference signs: 1. Support frame; 2. Universal wheel; 3. Support cylinder; 4. Loading plate; 5. Support column; 501. Anti-skid base; Rod; 9, drive block; 10, force block; 11, return spring; 12, synchronous unit; 13, connection frame; 14, drive motor; 15, drive screw; 16, drive frame; 17, chute; 18 , through slot; 19, limit bar.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Figures 1-6, the present invention provides a technical solution: a bridge construction support protection device, including a support frame 1, a plurality of sets of universal wheels 2 are arranged on the bottom of the support frame 1, and the two sides of the support frame 1 face each other Slidingly provided with a support assembly, the support assembly includes a support cylinder 3 and a bearing plate 4, the bearing plate 4 is vertically slid on the support cylinder 3 through the adjustment assembly, and the support frame 1 is provided with a drive mechanism 6 for driving the two support assemblies to slide towards each other , multiple sets of support columns 5 are vertically slidably arranged on the support frame 1, and the driving mechanism drives the two support components to slide towards each other while driving multiple sets of support columns 5 to slide vertically through multiple sets of transmission components.

Specifically, the bridge construction support protection device includes a supporting frame 1, wherein multiple sets of universal wheels 2 are arranged on the bottom of the supporting frame 1, and specifically, multiple sets of connecting rods are arranged on the bottom of the supporting frame 1, wherein each Two universal wheels 2 are respectively arranged on the bottom of the support frame 1 through corresponding connecting rods, and by setting the foot locking universal wheels 2, the sliding of the protection device is facilitated and the flexibility of the protection device is improved; wherein the two sides of the support frame 1 There are supporting components sliding in opposite directions on the upper side, and the position of the supporting components can be adjusted according to different work requirements by sliding the supporting components towards each other, so as to better meet the needs of supporting operations and improve work efficiency;

Wherein the support assembly includes a support cylinder 3 and a bearing plate 4, the bearing plate 4 is vertically slid on the support cylinder 3 through the adjustment assembly, and vertically slides through the bearing plate 4, so as to facilitate adjustment of the position of the bearing half 4 according to different work requirements , to further improve the practicability of the supporting device;

Specifically, the supporting frame 1 is provided with a driving mechanism 6 for driving the two supporting components to slide towards each other. By setting the driving mechanism 6, it is convenient to adjust the positions of the two supporting components according to the needs of different workers and improve work efficiency;

Among them, a plurality of groups of support columns 5 are vertically slid on the support frame 1, wherein the support columns 5 play a supporting role for the protective device. Multiple sets of supporting columns 5 are driven to slide vertically through multiple sets of transmission components, and when the supporting columns 5 touch the ground, the universal wheels 2 rise, thereby effectively improving the stability of the supporting and protecting device, and the use effect is good.

Compared with the prior art, the beneficial effects of the present invention are: the bridge construction support protection method and device, through the support frame, universal wheel, support column, support assembly, support cylinder, drive mechanism, bearing plate, and transmission assembly The cooperation between them, by setting the driving mechanism, it is convenient to adjust the position of the two supporting components according to the needs of different workers. The driving mechanism of the supporting column drives the two supporting components to slide towards each other, and at the same time drives multiple sets of supporting columns to slide vertically through multiple sets of transmission components. , when the support column touches the ground and the universal wheel rises, the stability of the support protection device can be effectively improved, and the use effect is good.

In this embodiment, the driving mechanism 5 includes a servo motor 7 installed on the support frame 1, and the support frame 1 is internally connected with a bidirectional screw rod 8 for rotation. A driving block 9 is provided, and each supporting assembly is respectively arranged on a corresponding driving block 9 , and the two driving blocks 9 are respectively threaded on both sides of the two-way screw rod 8 .

Preferably, wherein the driving mechanism 5 includes a servo motor 7 installed on the support frame 1, specifically, the servo motor 7 is fixedly connected to the support frame 1 through a mounting frame, and the support frame 1 is internally connected with a two-way screw rod 8 for rotation, and the servo motor 7 drives the two-way screw rod 8 to rotate, and both sides of the support frame 1 are slidingly provided with drive blocks 9, and each support assembly is respectively arranged on the corresponding drive block 9, and the two drive blocks 9 are screwed to the two sides of the two-way screw rod 8 respectively. On the side, when in use, when the rotation shaft of the servo motor 7 rotates, the two-way screw rod 8 is driven to rotate, thereby driving the two drive blocks 9 to slide toward each other, and the use effect is good.

In another embodiment provided by the present invention, a plurality of groups of through grooves 18 are provided on the bottom of the support frame 1, and each support column 5 is slidably arranged on the support frame 1 through the through grooves 18, and each support column 5 has a An anti-slip base 501 is provided.

Preferably, by offering multiple groups of through grooves 18 on the bottom of the support frame 1, each support column 5 is slidably arranged on the support frame 1 through the through grooves 18, thereby facilitating the sliding of multiple groups of support columns 5 and improving work efficiency; All be provided with anti-slip base 501 on the bottom of each support column 5, specifically, anti-skid pad etc. can be provided with on the bottom of anti-skid base 501, improve the stability of support column 5, and then improve the stability of this protective device, reduce potential safety hazard The presence.

In another embodiment provided by the present invention, the transmission assembly includes a force receiving block 10, the force receiving block 10 is arranged on the supporting column 5, and a return spring 11 is arranged between the force receiving block 10 and the support frame 1, and the return spring 11 Drive the force receiving block 10 away from the support frame 1, each driving block 9 abuts against the corresponding force receiving block 10 respectively, each driving block 9 is provided with a wedge-shaped surface, and the top of the force receiving block 10 is provided with an inclined surface, and the wedge-shaped surface contact with the inclined surface.

Preferably, wherein the transmission assembly includes a force block 10, the force block 10 is arranged on the support column 5, a return spring 11 is arranged between the force block 10 and the support frame 1, and the return spring 11 drives the force block 10 away from the support frame 1. Each driving block 9 abuts against the corresponding force receiving block 10 respectively, each driving block 9 is provided with a wedge-shaped surface, and the top of the force receiving block 10 is provided with an inclined surface, and the wedge-shaped surface contacts the inclined surface. When the blocks 9 are close to each other, the wedge-shaped surface will abut against the inclined surface, thereby driving the stressed block 10 to slide downward, and when the stressed block 10 slides downward, the return spring 11 will be squeezed; when the wedge-shaped surface is not in contact with When the inclined surface abuts, the elastic deformation process of the return spring drives the stressed block 10 to slide upwards, thereby driving the support column 5 away from the abutment. At this moment, the universal wheel 2 touches the ground to facilitate the movement of the protection device.

In another embodiment provided by the present invention, each drive block 9 is provided with a limit bar 19, and the inner wall of the support frame 1 is provided with a limit groove that is compatible with the limit bar 19, and each limit bar 19 are respectively slidably arranged in corresponding limiting grooves.

Preferably, a limit bar 19 is provided on each drive block 9, and a limit groove compatible with the limit bar 19 is provided on the inner wall of the support frame 1, and each limit bar 19 is slidably arranged on the corresponding In the limiting groove, when the limiting bar 19 is slidably arranged inside the limiting groove, the stability of the driving block when sliding can be improved, thereby improving the stability of the protection device during adjustment, thereby improving work efficiency.

In another embodiment provided by the present invention, the adjustment assembly includes two drive screw rods 15 that are rotatably connected to the inside of the support cylinder 3, wherein a drive motor 14 is arranged inside one of the support cylinder 3, and the drive motor 14 is connected to one of the drive wires. The rods 15 are coaxially connected, the support cylinder 3 is vertically slid and provided with a drive frame 16, the drive screw 15 is screwed to the drive frame 16, the bearing plate 4 is arranged on the top of the drive frame 16, and the two support cylinders 3 are connected through the connection frame 13. , A transmission unit is arranged between the two driving screw rods 15 , and the transmission unit is arranged in the connection frame 13 .

Preferably, the adjustment assembly includes two drive screw rods 15 that are rotatably connected to the inside of the support cylinder 3, wherein a drive motor 14 is provided inside one of the support cylinders 3, and the drive motor 14 is coaxially connected with one of the drive screw rods 15, using A drive motor 14 can reduce the use of the drive source. The support cylinder 3 is vertically slidably provided with a drive frame 16. The drive screw 15 is screwed to the drive frame 16. The carrier plate 4 is arranged on the top of the drive frame 16. The two support cylinders 3 pass through The connecting frame 13 is connected, and a transmission unit is arranged between the two driving screw mandrels 15, wherein the transmission unit can be a cooperation between a belt and a pulley, and the transmission unit is arranged in the connecting frame 13. Specifically, the two driving screw mandrels 15 Both pulleys are provided with pulleys, and the two pulleys are connected by belt transmission. When in use, one of the drive screw rods 15 is driven to rotate by the drive motor 14, thereby driving the other drive screw rod 15 to rotate through the cooperation between the belt and the pulley, and then It can drive the two drive frames 16 to slide upwards, thereby driving the bearing plate 4 to slide upwards, which is convenient for adjusting the height of the bearing plate 4 according to different work requirements, improves work efficiency, and has a good use effect.

In another embodiment provided by the present invention, there are two groups of bidirectional screw rods 8 , and the two bidirectional screw rods 8 are connected through a synchronous unit 12 .

Preferably, there are two groups of two-way screw rods 8, and the two-way screw rods 8 are connected through a synchronous unit 12. By setting two driving screw rods 8, the stability of the protective device during operation can be further improved, and the use effect is good.

In another embodiment provided by the present invention, the synchronous unit includes two synchronous wheels, the two synchronous wheels are respectively arranged on the two bidirectional screw rods 8, and the two synchronous wheels are connected by a synchronous belt transmission.

Preferably, wherein the synchronous unit includes two synchronous wheels, the two synchronous wheels are respectively arranged on two bidirectional screw mandrels 8, and the two synchronous wheels are connected by a synchronous belt transmission. Specifically, when in use, when the servo motor 7 rotating shaft rotates , thereby driving the two-way screw mandrel 8 to rotate, when the servo motor 7 drives one of the two-way screw mandrel 8 to rotate, the other two-way screw mandrel 8 is driven to rotate through the cooperation between the synchronous wheel and the synchronous belt; thereby driving two drive blocks 9 Sliding towards each other, the use effect is good. When the driving blocks 9 are close to each other, they will contact the inclined surface through the wedge-shaped surface, thereby driving the force-bearing block 10 to slide downward. When the force-bearing block 10 slides downward, it will squeeze Return spring 11, when the wedge-shaped surface does not abut against the inclined surface, the process of restoring elastic deformation of the return spring drives the stressed block 10 to slide upwards, thereby driving the support column 5 away from the abutment. At this moment, the universal wheel 2 touches the ground, which is convenient for the protection device move.

In another embodiment provided by the present invention, a sliding groove 17 is opened on the supporting frame 1 , and the supporting cylinder 3 is slidably arranged on the supporting frame 1 through the sliding groove 17 .

Preferably, a chute 17 is provided on the support frame 1, and the support cylinder 3 is slidably arranged on the support frame 1 through the chute 17, which is convenient for the support cylinder 3 to slide, and the use effect is good.

A method for using a bridge construction support and protection device, comprising the following steps: S1: first move to a predetermined position through universal wheels,

S2: Driving the two supporting components to slide to a predetermined position through the driving mechanism 6;

S3: while the position of the support assembly is adjusted, the support column 5 is driven to slide downward through the transmission assembly;

S4: The support column 5 slides down to the ground until the universal wheel 2 is driven off the ground;

S5: Driving the bearing plate 4 to slide upward to a predetermined position by adjusting the assembly.

It should be noted that the electrical equipment involved in this application can be powered by a storage battery or connected to an external power supply.

In the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection , or integrated; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

The standard parts used in the present invention can be purchased from the market, and the special-shaped parts can be customized according to the instructions and the records of the accompanying drawings. The specific connection methods of each part adopt mature bolts, rivets, welding, etc. in the prior art. Conventional means, machinery, parts and equipment all adopt conventional models in the prior art, plus circuit connections adopt conventional connection methods in the prior art, and will not be described in detail here.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (10)

1. The utility model provides a bridge construction supports protector, includes carriage (1), be provided with multiunit universal wheel (2) on carriage (1) bottom, its characterized in that:

supporting components are arranged on two sides of the supporting frame (1) in an opposite sliding mode;

the supporting assembly comprises a supporting cylinder (3) and a bearing plate (4), and the bearing plate (4) is vertically arranged on the supporting cylinder (3) in a sliding manner through the adjusting assembly;

the supporting frame (1) is provided with a driving mechanism (6) for driving the two supporting components to slide oppositely;

the supporting frame (1) is vertically slid to form a plurality of groups of supporting columns (5), and the driving mechanism (6) drives two supporting assemblies to slide in opposite directions and drives the plurality of groups of supporting columns (5) to vertically slide through the plurality of groups of transmission assemblies.

2. The bridge construction supports protector of claim 1, characterized in that: the driving mechanism (5) comprises a servo motor (7) arranged on the supporting frame (1), a bidirectional screw rod (8) is rotatably connected in the supporting frame (1), and the servo motor (7) drives the bidirectional screw rod (8) to rotate;

the support frame is characterized in that driving blocks (9) are arranged on two sides of the support frame (1) in a sliding mode, each supporting assembly is arranged on the corresponding driving block (9) respectively, and the two driving blocks (9) are in threaded connection with two sides of the two-way screw rod (8) respectively.

3. The bridge construction support and protection device according to claim 1, wherein: the supporting frame is characterized in that a plurality of groups of through grooves (18) are formed in the bottom of the supporting frame (1), each supporting column (5) is arranged on the supporting frame (1) in a sliding mode through the through grooves (18), and each supporting column (5) is provided with an anti-skidding base (501) in the bottom.

4. The bridge construction support and protection device according to claim 2, wherein: the transmission assembly comprises a stress block (10), the stress block (10) is arranged on the supporting column (5), a return spring (11) is arranged between the stress block (10) and the supporting frame (1), and the return spring (11) drives the stress block (10) to be far away from the supporting frame (1);

each driving block (9) is respectively abutted with the corresponding stressed block (10); each driving block (9) is provided with a wedge-shaped surface, the top of each stress block (10) is provided with an inclined surface, and the wedge-shaped surfaces are abutted to the inclined surfaces.

5. The bridge construction support and protection device of claim 4, wherein: every all be provided with spacing (19) on drive block (9), set up the spacing groove with spacing (19) looks adaptation on carriage (1) inner wall, every spacing (19) slide respectively and set up in the spacing inslot that corresponds.

6. The bridge construction support and protection device according to claim 1, wherein: the adjusting assembly comprises two driving screw rods (15) which are rotatably connected inside the supporting cylinders (3), wherein a driving motor (14) is arranged inside one of the supporting cylinders (3), and the driving motor (14) is coaxially connected with one of the driving screw rods (15);

the supporting cylinder (3) is vertically provided with a driving frame (16) in a sliding mode, the driving screw rod (15) is in threaded connection with the driving frame (16), and the bearing plate (4) is arranged on the top of the driving frame (16);

the two supporting cylinders (3) are communicated through a connecting frame (13), a transmission unit is arranged between the two driving screw rods (15), and the transmission unit is arranged in the connecting frame (13).

7. The bridge construction support and protection device according to claim 2, wherein: two groups of bidirectional screw rods (8) are arranged, and the two bidirectional screw rods (8) are in transmission connection through a synchronization unit (12).

8. The bridge construction support and protection device of claim 7, wherein: the synchronous unit (12) comprises two synchronous wheels, the two synchronous wheels are respectively arranged on the two-way screw rods (8), and the two synchronous wheels are connected through a synchronous belt in a transmission mode.

9. The bridge construction support and protection device according to claim 1, wherein: a sliding groove (17) is formed in the supporting frame (1), and the supporting cylinder (3) is arranged on the supporting frame (1) in a sliding mode through the sliding groove (17).

10. A method of using the bridge construction support and guard apparatus of any one of claims 1 to 9, comprising the steps of:

s1: firstly, the universal wheel (2) is moved to a preset position;

s2: the two supporting components are driven to slide to a set position by a driving mechanism (6);

s3: the supporting column (5) is driven to slide downwards by the transmission component while the position of the supporting component is adjusted;

s4: the supporting column (5) slides downwards to land until the universal wheel (2) is driven to lift off the ground;

s5: the bearing plate (4) is driven to slide upwards to a set position through the adjusting component.

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