Bridge supporting seat for bridge construction

Abstract

The bridge supporting seat for bridge construction comprises a supporting base, a supporting mechanism is arranged on the supporting base, the supporting mechanism comprises a supporting plate abutting against a bridge floor and a jacking block movably connected to the supporting plate, and the supporting plate is supported and positioned above the supporting base through oppositely-arranged stand columns; a lifting rod which is movably connected to the supporting plate and driven by a driving motor to ascend and descend is fixed to the bottom of the jacking block, and the lifting rod is positioned through a positioning structure. On one hand, the supporting plate plays a primary supporting role on the bridge floor, then the jacking block which can be driven by the driving motor to ascend and descend is used for adjusting, positioning is achieved through the positioning structure, secondary supporting is conducted on the local bridge floor, and therefore the bridge floor balance is better kept, and the inclination condition is reduced.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of bridge construction, in particular to a bridge support seat for bridge construction. BACKGROUND

[0002] When a bridge is constructed, a support structure needs to be arranged at the lower end of the bridge to support the bridge, so a bridge support seat for bridge construction needs to be arranged.

[0003] Some current support seats do not have the function of adjusting the height, cannot support the places with different heights of the bridge bottom surface, and have poor support effect on the bridge, so there is still room for improvement. CONTENT OF THE INVENTION

[0004] In order to make the support seat have the function of adjusting the height, so as to support the places with different heights of the bridge bottom surface, improve the overall support effect on the bridge, and prevent tilting, the application provides a bridge support seat for bridge construction.

[0005] The application provides a bridge support seat for bridge construction, which adopts the following technical scheme:

[0006] The bridge support seat for bridge construction comprises a support base, a support mechanism is arranged on the support base, the support mechanism comprises a support plate abutting against a bridge surface and a jacking block movably connected to the support plate, the support plate is supported by opposite columns and positioned above the support base, the bottom of the jacking block is fixed with a lifting rod movably connected to the support plate and driven to lift by a driving motor, and the lifting rod is positioned by a positioning structure.

[0007] By adopting the above technical scheme, the support plate can support the bridge surface at a first level, the jacking block driven to lift by the driving motor can be adjusted and positioned by the positioning structure, so as to support the local bridge surface at a second level, and the balance of the bridge surface can be better maintained to reduce the occurrence of tilting.

[0008] Preferably, the positioning structure comprises positioning rods arranged on both sides of the lifting rod and sliding seats, the sliding seats are slidingly connected to the support base, a plurality of positioning grooves are formed in the side wall of the lifting rod, and the positioning rods are fixed to the sliding seats and the end portions of the opposite positioning rods are bent towards each other and can be inserted into the corresponding positioning grooves in the side wall of the lifting rod.

[0009] By adopting the above technical scheme, the bent end portions of the positioning rods supported by the slidable sliding seats can be inserted into or separated from the lifting rod, the positioning grooves are spaced apart, and after the lifting rod is lifted, the positioning rods can still be inserted and positioned in the corresponding positioning grooves, so as to achieve the stable support effect on the lifting rod and the jacking block.

[0010] Preferably, the support base is provided with a sliding groove for the sliding of the opposite sliding seat, a rotating shaft is arranged in the opposite sliding seat, reverse threads are arranged on the rotating shaft corresponding to the opposite sliding seat, and the rotating shaft is driven to rotate by a servo motor fixed on the support base.

[0011] By adopting the above technical scheme, the sliding seat slides along the sliding groove, the servo motor drives the rotating shaft to rotate to drive the opposite sliding seats to move towards or away from each other, and the bent end portions of the opposite positioning rods are synchronously inserted into or out of the lifting rods.

[0012] Preferably, a reinforcing portion is fixed on the lower part of the lifting rod, and the positioning groove is arranged on the side wall of the reinforcing portion.

[0013] By adopting the above technical scheme, the reinforcing portion is arranged on the lifting rod, which on the one hand enhances the structural strength of the lifting rod, and on the other hand the positioning groove is arranged on the reinforcing portion, which can reduce the influence of the insertion of the positioning rod on the supporting strength of the lifting rod.

[0014] Preferably, a screw rod is fixed on the output shaft of the driving motor, and the bottom of the lifting rod is sleeved and threadedly connected on the screw rod.

[0015] By adopting the above technical scheme, the driving motor drives the screw rod to rotate to drive the lifting rod to lift or lower, so that the jacking block can adjust the height to support the corresponding bridge deck.

[0016] Preferably, a support block with the same height as the jacking block is fixed on the support plate and arranged in a spaced manner with the jacking block.

[0017] By adopting the above technical scheme, the support block and the jacking block are arranged in a spaced manner, the support block serves as a regular support, and the jacking block is used for local height adjustment, so that the structure is more reasonable.

[0018] In summary, the present application has at least one of the following beneficial technical effects:

[0019] On the one hand, the support plate supports the bridge deck at a first level, and then the jacking block driven by the driving motor is adjusted and positioned by the positioning structure to support the local bridge deck at a second level, so that the balance of the bridge deck is better maintained and the occurrence of inclination is reduced.

[0020] The sliding sliding seat supports the bent end portion of the positioning rod inserted into or out of the lifting rod, and the positioning grooves are arranged in a spaced manner, so that after the lifting rod is lifted or lowered, the positioning rod can still be inserted and positioned in the corresponding positioning groove, so as to achieve stable support of the lifting rod and the jacking block.

[0021] The reinforcing portion is arranged on the lifting rod, which on the one hand enhances the structural strength of the lifting rod, and on the other hand the positioning groove is arranged on the reinforcing portion, which can reduce the influence of the insertion of the positioning rod on the supporting strength of the lifting rod.

[0022] The support blocks and the jacking blocks are arranged at intervals, the support blocks play a regular support role, and the jacking blocks are used for local height adjustment, and the structure is more reasonable. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is a structural schematic diagram of an embodiment of the application;

[0024] Figure 2 is a partial cross-sectional structural schematic diagram of cooperation of a lifting rod and a positioning rod of the application.

[0025] The reference signs are as follows: 1, support base; 11, stand column; 2, support mechanism; 21, support plate; 22, jacking block; 3, support block; 4, lifting rod; 41, reinforcing part; 42, positioning groove; 5, driving motor; 6, screw rod; 7, positioning structure; 71, positioning rod; 72, sliding seat; 8, rotating shaft; 9, servo motor. DETAILED DESCRIPTION

[0026] The application will be further described in detail below with reference to the drawings.

[0027] The application discloses a bridge support base for bridge construction, referring to Figure 1 , comprising a support base 1, the support base 1 is provided with a support mechanism 2, the support mechanism 2 comprises a support plate 21 abutting against a bridge surface at a construction site and a jacking block 22 movably connected to the support plate 21, the support plate 21 is supported by oppositely arranged stand columns 11 and positioned above the support base 1, the support plate 21 plays a first support role on the bridge surface, and the jacking block 22 can be lifted on the support plate 21.

[0028] Referring to Figure 1 , the support plate 21 is fixed with support blocks 3 arranged at intervals with the jacking blocks 22 and having the same height as the jacking blocks 22; the support blocks 3 and the jacking blocks 22 are arranged at intervals, the support blocks 3 play a regular support role, and the jacking blocks 22 are used for local height adjustment, and the structure is more reasonable.

[0029] Referring to Figure 1 , 2 , the bottom of the jacking block 22 is fixed with a lifting rod 4 movably connected to the support plate 21 and driven to lift by a driving motor 5, a screw rod 6 is fixed on an output shaft of the driving motor 5, the bottom of the lifting rod 4 is sleeved and threadedly connected to the screw rod 6, the driving motor 5 drives the screw rod 6 to rotate to drive the lifting rod 4 to lift, so that the jacking block 22 can be adjusted in height to support the corresponding bridge surface.

[0030] Referring to Figure 1 , 2The adjusted lifting rod 4 is further positioned by the positioning structure 7; the positioning structure 7 includes positioning rods 71 ​​and sliding seats 72 set on both sides of the lifting rod 4. The positioning rods 71 ​​are supported by the sliding seats 72 and inserted into the lifting rod 41; a sliding groove is provided on the support base 1, and the corresponding sliding seats 72 slide in the sliding groove.

[0031] Reference Figure 1 A rotating shaft 8 is provided inside the corresponding sliding seat 72. The rotating shaft 8 is provided with a reverse thread at the position corresponding to the corresponding sliding seat 72. The rotating shaft 8 is driven to rotate by a servo motor 9 fixed on the support base 1. It should be noted that the sliding seats 72 corresponding to several lifting blocks 22 can be driven synchronously by the same servo motor 9 and rotating shaft 8, thereby reducing resource waste.

[0032] Reference Figure 1 , 2 The lower part of the lifting rod 4 is enlarged and fixed with a reinforcing part 41 to enhance the structural strength of the lifting rod 4. Several positioning grooves 42 are provided on the side wall of the reinforcing part 41. The positioning rods 71 ​​are fixed to the sliding seat 72 and the ends of the opposite positioning rods 71 ​​are bent towards each other and can be inserted into the corresponding positioning grooves 42 on the side wall of the lifting rod 4. On the one hand, the structural strength of the lifting rod 4 is enhanced by the reinforcing part 41, and on the other hand, the positioning grooves 42 are provided in the reinforcing part 41 to reduce the impact of the insertion of the positioning rods 71 ​​on the support strength of the lifting rod 4.

[0033] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A bridge support seat for bridge construction, comprising a support base (1), characterized in that: The support base (1) is provided with a support mechanism (2), the support mechanism (2) comprises a support plate (21) abutting to the bridge surface and a jacking block (22) movably connected to the support plate (21), the support plate (21) is supported by the oppositely arranged stand column (11) and positioned above the support base (1), the bottom of the jacking block (22) is fixed with a lifting rod (4) movably connected to the support plate (21) and driven to lift by the driving motor (5), and the lifting rod (4) is positioned by the positioning structure (7).

2. The bridge support seat for bridge construction according to claim 1, characterized in that: The positioning structure (7) comprises positioning rods (71) arranged on both sides of the lifting rod (4) and sliding seats (72), the sliding seat (72) is slidingly connected to the support base (1), a plurality of positioning grooves (42) are formed in the side wall of the lifting rod (4), the positioning rods (71) are fixed to the sliding seat (72) and the end portions of the opposite positioning rods (71) are bent towards each other and can be inserted into the corresponding positioning grooves (42) in the side wall of the lifting rod (4).

3. The bridge support seat for bridge construction according to claim 2, characterized in that: The support base (1) is provided with a sliding groove for the opposite sliding seat (72) to slide, a rotating shaft (8) is arranged in the opposite sliding seat (72), reverse threads are arranged on the rotating shaft (8) corresponding to the opposite sliding seat (72), and the rotating shaft (8) is driven to rotate by the servo motor (9) fixed to the support base (1).

4. The bridge support seat for bridge construction according to claim 2, characterized in that: The lower part of the lifting rod (4) is expanded in diameter and fixed with a reinforcing part (41), and the positioning grooves (42) are formed in the side wall of the reinforcing part (41).

5. The bridge support of claim 1, wherein: The output shaft of the driving motor (5) is fixed with a screw rod (6), and the bottom of the lifting rod (4) is sleeved and threadedly connected to the screw rod (6).

6. The bridge support of claim 1, wherein: The support plate (21) is fixed with a support block (3) having the same height as the jacking block (22) and arranged in a spaced manner with the jacking block (22).

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