CN218521019U - High pier bridge construction platform convenient to lift - Google Patents
High pier bridge construction platform convenient to lift Download PDFInfo
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- CN218521019U CN218521019U CN202222162521.XU CN202222162521U CN218521019U CN 218521019 U CN218521019 U CN 218521019U CN 202222162521 U CN202222162521 U CN 202222162521U CN 218521019 U CN218521019 U CN 218521019U
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Abstract
The utility model relates to the technical field of bridge construction equipment, in particular to a conveniently-lifted high pier bridge construction platform, which comprises a base, a lifting mechanism and a construction platform, wherein the lifting mechanism comprises a first-level lifting mechanism, a second-level scissor lifting mechanism and a linkage mechanism, the first-level lifting mechanism comprises two vertical lifting components which are symmetrically and vertically distributed on the base and a synchronous driving component arranged on the base, each lifting component comprises a vertical support frame and a lifting adjusting component, the lifting adjusting components are arranged on the vertical support frames, and the synchronous driving component is used for driving the two lifting adjusting components to synchronously lift; a bracket with a cavity structure is arranged between the lifting ends of the two vertical lifting components, and the secondary scissor lifting mechanism comprises an opposite adjusting component, a synchronous transmission adjusting component and a scissor lifting rod; the link gear includes rack and straight-teeth gear, the utility model discloses simple structure enlarges construction platform's lifting height, and the efficiency of raising and stability obtain the improvement that is showing.
Description
Technical Field
The utility model relates to a bridge construction equipment technical field, concretely relates to go up and down convenient high mound bridge construction platform.
Background
The bridge is generally a structure which is erected on rivers, lakes and seas and allows vehicles, pedestrians and the like to smoothly pass through. At present, in the operation of bridge construction, need use lift platform, through lift platform's height to be convenient for carry out the eminence construction operation.
Lifting platform's among the prior art lifting range is less, and the ability of rising to lift is relatively poor, for example application CN 2021214438074's patent discloses a lifting platform is used in public road bridge roof beam construction, including mounting base, second threaded rod, movable plate, from the driving wheel, the belt, the action wheel, the rotation axis, driving motor, telescopic component, the driving gear, driven gear, fixed subassembly, the slide bar, anticreep piece, the universal wheel, the telescopic link, supporting platform, the rail guard, the handle, first guide way, scissors fork mechanism, second guide way, first threaded rod, accommodate motor and second guide way.
The technical scheme of above-mentioned patent is when going up and down to adjust, and the range of rising in the stroke is lower, and is comparatively inconvenient in practical application, consequently the utility model discloses a go up and down convenient high mound bridge construction platform aims at enlarging construction platform's lifting height to satisfy high altitude construction's demand.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a go up and down convenient high mound bridge construction platform.
To achieve the purpose, the utility model adopts the following technical proposal:
the construction platform for the high pier bridge convenient to lift comprises a base, a lifting mechanism and a construction platform, wherein the base is a cavity mechanism;
the lifting mechanism comprises a primary lifting mechanism, a secondary scissor lifting mechanism and a linkage mechanism, the primary lifting mechanism comprises two vertical lifting assemblies which are symmetrically and vertically distributed on the base and a synchronous driving assembly arranged on the base, each lifting assembly comprises a vertical support frame and a lifting adjusting assembly, the vertical support frames are arranged on the base, the lifting adjusting assemblies are arranged on the vertical support frames, and the synchronous driving assembly is used for driving the two lifting adjusting assemblies to synchronously lift;
a bracket with a cavity structure is arranged between the lifting ends of the two vertical lifting components, the bracket is connected with the lifting end of the lifting adjusting component through a rack, the secondary scissor lifting mechanism comprises an opposite adjusting component, a synchronous transmission adjusting component and a scissor lifting rod, the two opposite adjusting components are arranged in the bracket in parallel, the adjusting end of the opposite adjusting component penetrates through a strip-shaped elongated slot arranged at the upper end of the bracket and extends to the upper part of the bracket, the synchronous transmission adjusting component is arranged in the bracket, the power output end of the synchronous transmission adjusting component is respectively connected with the power input end of the opposite adjusting component, the scissor lifting rod corresponds to the opposite adjusting component one by one, the lower end of the scissor lifting rod is hinged with the adjusting end of the opposite adjusting component, and the upper end of the scissor lifting rod is hinged with a limiting sliding component arranged at the lower end of the construction platform;
the linkage mechanism comprises a rack and a straight gear, the rack is vertically arranged on the vertical support frame, the straight gear is arranged at the end part of the synchronous transmission adjusting assembly, and the straight gear is meshed with the rack.
Preferably, each lifting adjusting assembly comprises a vertical lead screw and a lifting sliding seat, the vertical lead screw is vertically and rotatably mounted in a vertical support frame, the lower end of the vertical lead screw extends into the base, and the lifting sliding seat is mounted on the vertical lead screw in a threaded manner and is in sliding fit with a guide rail arranged in the vertical support frame;
the synchronous driving assembly comprises a stepping motor, a driving shaft, a driving bevel gear and driven bevel gears, the driving shaft is horizontally and rotatably arranged in the base, the stepping motor is arranged on the base, the driving shaft is connected with the end part of the driving shaft, one driven bevel gear is arranged at the end part of each vertical lead screw, and the driving shaft is provided with the driving bevel gear meshed with the driven bevel gears;
the bracket is horizontally arranged between the two lifting sliding seats through the rack.
Preferably, each opposite direction adjusting assembly comprises a bidirectional screw rod and two transverse sliding seats, the bidirectional screw rod is horizontally and rotatably installed in the base, the two transverse sliding seats are symmetrically installed on the bidirectional screw rod in a threaded manner and are in sliding fit with a guide rail arranged in the base, and the upper ends of the transverse sliding seats penetrate through the strip-shaped long grooves and extend to the upper parts of the strip-shaped long grooves;
the lower end of the scissor lifting rod is hinged with the corresponding transverse sliding seat.
Preferably, the scissor lifting rod comprises two connecting rods which are distributed in a crossed manner, the crossed parts of the two connecting rods are rotatably connected through a short shaft, and the lower ends of the connecting rods are hinged with the corresponding transverse sliding seats;
the limiting sliding assembly comprises a limiting sliding rail and a limiting sliding seat, the limiting sliding rail is horizontally arranged at the lower end of the construction platform, the limiting sliding seat is mounted on the limiting sliding rail in a limiting sliding mode, and the upper end of the connecting rod is hinged to the corresponding limiting sliding seat;
and the power input end of the synchronous transmission adjusting assembly is connected with the middle section of the bidirectional screw rod.
Preferably, synchronous drive adjusting part includes transmission shaft one, bevel gear one, transmission shaft two, bevel gear three and bevel gear four, transmission shaft one level is rotated and is installed in the bracket, the head end at transmission shaft one is installed to the spur gear, bevel gear one is installed at the end of transmission shaft one, two horizontal installation of transmission shaft are in the bracket, and perpendicular with two-way lead screw, bevel gear two is installed in the middle section of transmission shaft two to mesh with bevel gear one, every bevel gear four is all installed in the middle section of two-way lead screw, the tip of transmission shaft two is equipped with bevel gear three with bevel gear four-phase meshing.
Preferably, the upper end of the construction platform is provided with a protective guard.
The utility model discloses when using, can carry on the frame of machineshop car, utilize the machineshop car to drive the utility model discloses remove and transport, when using, when needs are with construction platform's high promotion, start step motor, step motor drives the drive shaft rotation after starting, and drive vertical lead screw through initiative bevel gear and driven bevel gear and rotate, vertical lead screw drives the bracket through the lift slide when rotating and promotes, in this moment, the straight-teeth gear "walks on the rack, and drive transmission shaft one and rotate, transmission shaft one drives transmission shaft two through bevel gear one and bevel gear two when rotating and rotates, thereby drive two-way lead screw rotation through bevel gear three and bevel gear four, two sideslip slides of two-way lead screw drive when rotating move towards the direction that is close to each other, make the scissors lifter by" expansion ", make construction platform's height be improved by the secondary on the basis of original improvement, the control range grow of raising in the unit stroke, in the lift platform before, the utility model provides a construction platform's the efficiency and the smoothness of raising all obtain obvious improvement.
The utility model discloses simple structure enlarges construction platform's promotion height, and the efficiency of raising and stability obtain the improvement that is showing.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings in the embodiments of the present invention are briefly described below.
FIG. 1 is a schematic view of the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is a schematic view of a synchronous drive adjustment assembly;
wherein: 1-a vehicle frame, 2-a base, 3-a stepping motor, 4-a driving shaft, 5-a driving bevel gear, 6-a driven bevel gear, 7-a vertical support frame, 8-a vertical screw rod, 9-a lifting slide seat, 10-a frame, 11-a bracket, 12-a transmission shaft I, 13-a straight gear, 14-a rack, 15-a bevel gear III, 16-a bevel gear IV, 17-a bidirectional screw rod, 18-a transverse slide seat, 19-a connecting rod, 20-a limiting slide rail, 21-a limiting slide seat, 22-a construction platform, 23-a protective guard, 24-a bevel gear I, 25-a bevel gear II and 26-a transmission shaft II.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Wherein the showings are for the purpose of illustration only and not for the purpose of limiting the same, the same is shown by way of illustration only and not in the form of limitation; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product.
Referring to fig. 1 to 3, the construction platform for the high pier bridge convenient to lift comprises a base 2, a lifting mechanism and a construction platform 22, wherein the base 2 is a cavity mechanism;
the lifting mechanism comprises a primary lifting mechanism, a secondary scissor lifting mechanism and a linkage mechanism, the primary lifting mechanism comprises two vertical lifting assemblies which are symmetrically and vertically distributed on the base 2 and a synchronous driving assembly arranged on the base 2, each lifting assembly comprises a vertical support frame 7 and a lifting adjusting assembly, the vertical support frame 7 is arranged on the base 2, the lifting adjusting assemblies are arranged on the vertical support frames 7, and the synchronous driving assembly is used for driving the two lifting adjusting assemblies to synchronously lift;
a bracket 11 with a cavity structure is arranged between the lifting ends of the two vertical lifting components, the bracket 11 is connected with the lifting end of the lifting adjusting component through a rack 10, the secondary scissors lifting mechanism comprises an opposite adjusting component, a synchronous transmission adjusting component and scissors lifting rods, the two opposite adjusting components are arranged in the bracket 11 in parallel, the adjusting ends of the opposite adjusting components penetrate through strip-shaped long grooves formed in the upper end of the bracket 11 and extend to the upper side of the bracket 11, the synchronous transmission adjusting component is arranged in the bracket 11, the power output ends of the synchronous transmission adjusting component are respectively connected with the power input ends of the opposite adjusting components, the scissors lifting rods correspond to the opposite adjusting components one by one, the lower ends of the scissors lifting rods are hinged with the adjusting ends of the opposite adjusting components, and the upper ends of the scissors lifting rods are hinged with a limiting sliding component arranged at the lower end of the construction platform 22;
the linkage mechanism comprises a rack 14 and a straight gear 13, the rack 14 is vertically arranged on the vertical support frame 7, the straight gear 13 is arranged at the end part of the synchronous transmission adjusting assembly, and the straight gear 13 is meshed with the rack 14.
In this embodiment, each of the lifting adjusting assemblies includes a vertical lead screw 8 and a lifting slide 9, the vertical lead screw 8 is vertically and rotatably installed in the vertical support frame 7, and the lower end of the vertical lead screw extends into the base 2, and the lifting slide 9 is threadedly installed on the vertical lead screw 8 and is in sliding fit with a guide rail arranged in the vertical support frame 7;
the synchronous driving assembly comprises a stepping motor 3, a driving shaft 4, a driving bevel gear 5 and driven bevel gears 6, wherein the driving shaft 4 is horizontally and rotatably installed in the base 2, the stepping motor 3 is installed on the base 2, the driving end of the stepping motor is connected with the end of the driving shaft 4, one driven bevel gear 6 is installed at the end of each vertical lead screw 8, and the driving shaft 4 is provided with the driving bevel gear 5 meshed with the driven bevel gear 6;
the bracket 11 is horizontally mounted between the two lifting carriages 9 by means of a frame 10.
In the embodiment, each of the opposite direction adjusting assemblies comprises a bidirectional screw 17 and two lateral sliding bases 18, the bidirectional screw 17 is horizontally and rotatably installed in the base 2, the two lateral sliding bases 18 are symmetrically and threadedly installed on the bidirectional screw 17 and are in sliding fit with a guide rail arranged in the base 2, and the upper ends of the lateral sliding bases 18 penetrate through the strip-shaped long groove and extend to the upper part of the strip-shaped long groove;
the lower end of the scissor lifting rod is hinged with the corresponding transverse sliding base 18.
In the embodiment, the scissor lifting rod comprises two connecting rods 19 which are distributed in a crossed manner, the crossed parts of the two connecting rods 19 are rotatably connected through short shafts, and the lower ends of the connecting rods 19 are hinged with the corresponding transverse sliding bases 18;
the limiting sliding assembly comprises a limiting sliding rail 20 and a limiting sliding seat 21, the limiting sliding rail 20 is horizontally arranged at the lower end of the construction platform 22, the limiting sliding seat 21 is installed on the limiting sliding rail 20 in a limiting sliding mode, and the upper end of the connecting rod 19 is hinged to the corresponding limiting sliding seat 21;
and the power input end of the synchronous transmission adjusting assembly is connected with the middle section of the bidirectional screw 17.
In this embodiment, the synchronous transmission adjusting assembly includes a first transmission shaft 12, a first bevel gear 24, a second transmission shaft 26, a second bevel gear 25, a third bevel gear 15, and a fourth bevel gear 16, the first transmission shaft 12 is horizontally and rotatably installed in the bracket 11, the spur gear 13 is installed at the head end of the first transmission shaft 12, the first bevel gear 24 is installed at the tail end of the first transmission shaft 12, the second transmission shaft 26 is horizontally installed in the bracket 11 and is perpendicular to the bidirectional screw 17, the second bevel gear 25 is installed at the middle section of the second transmission shaft 26 and is engaged with the first bevel gear 24, a fourth bevel gear 16 is installed at the middle section of each bidirectional screw 17, and a third bevel gear 15 engaged with the fourth bevel gear 16 is installed at the end of the second transmission shaft 26.
In this embodiment, a guard rail 23 is disposed at an upper end of the construction platform 22.
The utility model discloses when using, can carry on the frame 1 of machineshop car, utilize the machineshop car to drive the utility model discloses remove and move and transport, when using, when needs are with construction platform 22's high promotion, start step motor 3, step motor 3 drives drive shaft 4 after starting and rotates, and drive vertical lead screw 8 through drive bevel gear 5 and driven bevel gear 6 and rotate, vertical lead screw 8 drives bracket 11 through lift slide 9 when rotating and promotes, in this moment, straight-teeth gear 13 is "walking" on rack 14, and drive transmission shaft 12 and rotate, transmission shaft 12 drives transmission shaft two 26 through bevel gear 24 and bevel gear two 25 when rotating and rotates, thereby drive two-way lead screw 17 through bevel gear three 15 and bevel gear four 16 and rotate, two sideslip slides 18 are towards the direction motion that is close to each other when rotating, make the fork-cutting lifter by "expansion", make construction platform 22's height improved by the secondary on the basis of original improvement, the control range of raising in the unit stroke, compare in the lift platform before, the utility model provides a smooth efficiency and the improvement of the degree of construction platform.
The utility model discloses simple structure enlarges construction platform's promotion height, and the efficiency of raising and stability obtain the improvement that is showing.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (6)
1. A high pier bridge construction platform convenient to lift comprises a base (2), a lifting mechanism and a construction platform (22), and is characterized in that the base (2) is a cavity mechanism;
the lifting mechanism comprises a primary lifting mechanism, a secondary shearing fork lifting mechanism and a linkage mechanism, the primary lifting mechanism comprises two vertical lifting assemblies which are symmetrically and vertically distributed on the base (2) and a synchronous driving assembly which is installed on the base (2), each lifting assembly comprises a vertical support frame (7) and a lifting adjusting assembly, the vertical support frames (7) are arranged on the base (2), the lifting adjusting assemblies are installed on the vertical support frames (7), and the synchronous driving assembly is used for driving the two lifting adjusting assemblies to synchronously lift;
a bracket (11) with a cavity structure is arranged between the lifting ends of the two vertical lifting components, the bracket (11) is connected with the lifting end of the lifting adjusting component through a rack (10), the secondary scissors lifting mechanism comprises an opposite adjusting component, a synchronous transmission adjusting component and scissors lifting rods, the two opposite adjusting components are arranged in the bracket (11) in parallel, the adjusting end of the opposite adjusting component penetrates through a strip-shaped elongated slot arranged at the upper end of the bracket (11) and extends to the upper part of the bracket (11), the synchronous transmission adjusting component is arranged in the bracket (11), the power output end of the synchronous transmission adjusting component is respectively connected with the power input end of the opposite adjusting component, the scissors lifting rods correspond to the opposite adjusting components one by one, the lower ends of the scissors lifting rods are hinged with the adjusting end of the opposite adjusting component, and the upper ends of the scissors lifting rods are hinged with a limiting sliding component arranged at the lower end of the construction platform (22);
the linkage mechanism comprises a rack (14) and a straight gear (13), the rack (14) is vertically arranged on the vertical support frame (7), the straight gear (13) is arranged at the end part of the synchronous transmission adjusting assembly, and the straight gear (13) is meshed with the rack (14).
2. The high pier bridge construction platform convenient for lifting and lowering as claimed in claim 1, wherein each lifting and lowering adjusting assembly comprises a vertical lead screw (8) and a lifting and lowering slide (9), the vertical lead screw (8) is vertically and rotatably mounted in a vertical support frame (7), the lower end of the vertical lead screw extends into the base (2), and the lifting and lowering slide (9) is threadedly mounted on the vertical lead screw (8) and is in sliding fit with a guide rail arranged in the vertical support frame (7);
the synchronous driving assembly comprises a stepping motor (3), a driving shaft (4), a driving bevel gear (5) and a driven bevel gear (6), the driving shaft (4) is horizontally and rotatably installed in the base (2), the stepping motor (3) is installed on the base (2), the driving end of the stepping motor is connected with the end of the driving shaft (4), the driven bevel gear (6) is installed at the end of each vertical screw rod (8), and the driving bevel gear (5) meshed with the driven bevel gear (6) is installed on the driving shaft (4);
the bracket (11) is horizontally arranged between the two lifting sliding seats (9) through a rack (10).
3. The conveniently-lifted high pier bridge construction platform according to claim 1, wherein each opposite direction adjusting assembly comprises a bidirectional screw rod (17) and two lateral moving sliding seats (18), the bidirectional screw rod (17) is horizontally and rotatably installed in the base (2), the two lateral moving sliding seats (18) are symmetrically and threadedly installed on the bidirectional screw rod (17) and are in sliding fit with a guide rail arranged in the base (2), and the upper ends of the lateral moving sliding seats (18) penetrate through and extend above the strip-shaped long groove;
the lower end of the scissor lifting rod is hinged with a corresponding transverse sliding seat (18).
4. The conveniently-lifted high pier bridge construction platform according to claim 3, wherein the scissor lifting rod comprises two connecting rods (19) which are distributed in a crossed manner, the crossed parts of the two connecting rods (19) are rotatably connected through short shafts, and the lower ends of the connecting rods (19) are hinged with corresponding transverse sliding bases (18);
the limiting sliding assembly comprises a limiting sliding rail (20) and a limiting sliding seat (21), the limiting sliding rail (20) is horizontally arranged at the lower end of the construction platform (22), the limiting sliding seat (21) is installed on the limiting sliding rail (20) in a limiting sliding mode, and the upper end of the connecting rod (19) is hinged to the corresponding limiting sliding seat (21);
and the power input end of the synchronous transmission adjusting assembly is connected with the middle section of the bidirectional screw rod (17).
5. The conveniently-lifted high pier bridge construction platform according to claim 4, wherein the synchronous transmission adjusting assembly comprises a first transmission shaft (12), a first bevel gear (24), a second transmission shaft (26), a second bevel gear (25), a third bevel gear (15) and a fourth bevel gear (16), the first transmission shaft (12) is horizontally and rotatably installed in the bracket (11), the spur gear (13) is installed at the head end of the first transmission shaft (12), the first bevel gear (24) is installed at the tail end of the first transmission shaft (12), the second transmission shaft (26) is horizontally installed in the bracket (11) and is perpendicular to the bidirectional screw (17), the second bevel gear (25) is installed in the middle of the second transmission shaft (26) and is meshed with the first bevel gear (24), one fourth bevel gear (16) is installed in the middle of each bidirectional screw (17), and the third bevel gear (15) meshed with the fourth bevel gear (16) is arranged at the end of the second transmission shaft (26).
6. The conveniently-lifted high pier bridge construction platform is characterized in that a guard rail (23) is arranged at the upper end of the construction platform (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222162521.XU CN218521019U (en) | 2022-08-17 | 2022-08-17 | High pier bridge construction platform convenient to lift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222162521.XU CN218521019U (en) | 2022-08-17 | 2022-08-17 | High pier bridge construction platform convenient to lift |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218521019U true CN218521019U (en) | 2023-02-24 |
Family
ID=85242870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222162521.XU Active CN218521019U (en) | 2022-08-17 | 2022-08-17 | High pier bridge construction platform convenient to lift |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218521019U (en) |
-
2022
- 2022-08-17 CN CN202222162521.XU patent/CN218521019U/en active Active
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