Safety lifting platform for bridge construction

Abstract

The utility model discloses a safe lifting platform for bridge construction. The safe lifting platform comprises a base and a moving mechanism. Vertical rods are arranged at four corners of the upper end of the base respectively, the upper ends of the vertical rods are fixedly connected with the lower end of the protective plate, the vertical rods are slidably connected with sliding holes correspondingly formed in the lower end of the mounting plate respectively, and a protective fence is arranged in the middle of the upper end of the mounting plate; and the moving mechanism comprises mounting grooves, connecting plates and universal wheels, the mounting grooves are formed in the front side and the rear side of the lower end of the base correspondingly, the connecting plates are slidably connected to the lower sides of the interiors of the mounting grooves correspondingly, and the universal wheels are arranged on the left sides and the right sides of the lower ends of the connecting plates correspondingly. According to the safety lifting platform for bridge construction, the positions of the universal wheels can be adjusted according to actual conditions, the whole process can be completed only through one driving motor, operation is easy, the relative cost is low, and the overall stability and flexibility of the safety lifting platform for bridge construction are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of lifting platforms, in particular to a safe lifting platform for bridge construction. Background Art

[0002] Bridge construction refers to the process of building a bridge, including preliminary design, construction preparation, construction process and quality control. Bridge construction is a building for people and vehicles to cross obstacles such as rivers and caves. The development of bridge construction is closely related to the progress of human civilization. Early bridges used natural materials, were simple, had extremely weak crossing capabilities and were not durable. With the development of human technology, the technology and materials of bridge construction are also constantly improving.

[0003] During the construction of a bridge, since some equipment is installed at a high position, a safety lifting platform for bridge construction is needed to move the workers to the designated work location during construction, so as to facilitate the subsequent installation work. When the safety lifting platform for bridge construction is used, it is usually used to use a lifting device to drive the installation plate to move upward along the vertical pole, and finally move the workers to the designated work location;

[0004] Before using the existing safety lifting platform for bridge construction, it is usually necessary to push the safety lifting platform for bridge construction and then move it to the designated work location, and then lock the universal wheels. In order to improve the stability of the safety lifting platform for bridge construction, additional support components must be added, and the operation is relatively cumbersome. After moving to the designated work location, some safety lifting platforms for bridge construction will use multiple electric push rods or hydraulic rods to retract the universal wheels into the interior of the safety lifting platform for bridge construction, thereby separating the universal wheels from the ground and contacting the support columns with the ground, thereby supporting and fixing the safety lifting platform for bridge construction. Although the stability and flexibility of the safety lifting platform for bridge construction are improved, the cost is relatively high. For this reason, we propose a safety lifting platform for bridge construction. Utility Model Content

[0005] The technical problem to be solved by the utility model is to overcome the existing defects and provide a safe lifting platform for bridge construction. Through the coordinated arrangement of the adjusting seat and the fixing seat, the position of the universal wheel can be adjusted according to the actual situation. The structure is simple, and the whole process can be completed with only one driving motor. The operation is simple and the cost is relatively low. The overall stability and flexibility of the safe lifting platform for bridge construction are improved, and the problems in the background technology can be effectively solved.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a safe lifting platform for bridge construction, comprising a base and a moving mechanism;

[0007] Base: The four corners of the upper end are provided with vertical poles, the upper ends of the vertical poles are fixedly connected to the lower ends of the protective plates, the vertical poles are slidably connected to the corresponding sliding holes at the lower ends of the mounting plates, and a guardrail is provided in the middle of the upper end of the mounting plate;

[0008] Moving mechanism: It includes a mounting groove, a connecting plate and a universal wheel. The mounting grooves are respectively arranged on the front and rear sides of the lower end of the base. The lower side of the mounting groove is slidably connected with a connecting plate. Universal wheels are respectively arranged on the left and right sides of the lower end of the connecting plate. Through the coordinated setting of the adjusting seat and the fixed seat, the position of the universal wheel can be adjusted according to actual conditions. The structure is simple, and the whole process can be completed with only one driving motor. The operation is simple and the cost is relatively low, which improves the overall stability and flexibility of the safety lifting platform used for bridge construction.

[0009] Furthermore, it also includes a control switch group, which is arranged at the front end of the base. The input end of the control switch group is electrically connected to the external power supply and can regulate the electrical components inside the device.

[0010] Furthermore, the moving mechanism also includes a bidirectional screw, an adjusting seat, a fixed seat and a connecting rod. The bidirectional screws are rotatably connected to the upper side of the inside of the mounting groove through bearings, the adjusting seats are slidably connected to the inner wall of the mounting groove, the adjusting seats are threadedly connected to the left and right sides of the outer arc surface of the bidirectional screw through threaded holes arranged at the right ends, fixed seats are respectively arranged on the left and right sides of the upper end of the connecting plate, the connecting grooves arranged at the upper ends of the fixed seats are rotatably connected to the connecting rods through pin shafts, the upper ends of the connecting rods are rotatably connected to the lower ends of the vertically adjacent adjusting seats through pin shafts, so as to adjust the position of the universal wheel.

[0011] Furthermore, it also includes a mounting rod, a double-layer pulley and a pulley. The mounting rod is rotatably connected to a cavity opened on the right side of the base through a bearing. The double-layer pulley is arranged in the middle of the outer arc surface of the mounting rod. The pulleys are all arranged on the right side of the outer arc surface of the bidirectional screw. The pulleys are connected to the double-layer pulley through a belt transmission, and can drive the bidirectional screw to rotate through the pulley.

[0012] Furthermore, it also includes a motor, which is arranged in the middle of the right end of the base, the left end of the motor output shaft is fixedly connected to the right end of the mounting rod, the input end of the motor is electrically connected to the output end of the control switch group, and can drive the pulley to rotate through the double-layer pulley.

[0013] Furthermore, it also includes an electric push rod, which is arranged in the middle of the upper end of the base, the upper end of the telescopic end of the electric push rod is fixedly connected to the lower end of the mounting plate, the input end of the electric push rod is electrically connected to the output end of the control switch group, and can drive the staff to move to the designated work location through the mounting plate.

[0014] Furthermore, it also includes support columns, which are respectively arranged at the four corners of the lower end of the base to support and fix the base and internal equipment.

[0015] Compared with the prior art, the beneficial effects of the utility model are: the safety lifting platform for bridge construction has the following advantages:

[0016] Before use, the motor starts to run through the control of the switch group, and the output shaft of the motor drives the double-layer pulley to rotate. The double-layer pulley drives the pulley to rotate through the belt, and then drives the two bidirectional screws to rotate at the same time. During the rotation of the bidirectional screw, the bidirectional screw drives the adjustment seat to move through the threaded connection. At this time, the distance between the two horizontally adjacent adjustment seats gradually increases, so that the adjustment seat gives a downward thrust to the fixed seat through the connecting rod during the movement, so that the fixed seat drives the universal wheel to extend downward through the connecting plate. When the universal wheel contacts the ground, the connecting rod lifts the safety lifting platform for bridge construction through the universal wheel to separate the support column from the ground. At this time, the vertical pole is pushed, and then the safety lifting platform for bridge construction is moved to the designated work location. Through the coordinated setting of the adjustment seat and the fixed seat, the position of the universal wheel can be adjusted according to the actual situation. The structure is simple, and the whole process only needs one driving motor to complete it. The operation is simple, and the cost is relatively low during the use of bridge construction, which improves the overall stability and flexibility of the safety lifting platform for bridge construction. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the upper side cross-sectional structure of the utility model;

[0019] Figure 3 It is a schematic diagram of the front side sectional plan structure of the utility model.

[0020] In the figure: 1 base, 2 control switch group, 3 upright pole, 4 protective plate, 5 moving mechanism, 51 mounting groove, 52 bidirectional screw, 53 adjustment seat, 54 fixed seat, 55 connecting plate, 56 universal wheel, 57 connecting rod, 6 mounting rod, 7 double-layer pulley, 8 pulley, 9 motor, 10 mounting plate, 11 protective fence, 12 electric push rod, 13 support column. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-3 ,This embodiment provides a technical solution: a safe lifting platform for bridge construction, comprising a base 1 and a moving mechanism 5;

[0023] Base 1: The four corners of the upper end thereof are respectively provided with upright poles 3, the upper ends of the upright poles 3 are fixedly connected with the lower ends of the protective plates 4, the upright poles 3 are respectively slidably connected with the corresponding sliding holes provided at the lower ends of the mounting plates 10, and a protective fence 11 is provided at the middle of the upper end of the mounting plates 10. After pushing the upright poles 3 and moving the safety lifting platform for bridge construction to the designated work location, the telescopic end of the adjustment device is extended, so that the mounting plates 10 are moved upward along the upright poles 3, and finally the staff are moved to the designated work location;

[0024] The movable mechanism 5 includes a mounting groove 51, a connecting plate 55 and a universal wheel 56. The mounting groove 51 is respectively arranged at the front and rear sides of the lower end of the base 1. The lower side of the mounting groove 51 is slidably connected with the connecting plate 55. The left and right sides of the lower end of the connecting plate 55 are respectively provided with universal wheels 56. The movable mechanism 5 also includes a bidirectional screw 52, ​​an adjusting seat 53, a fixing seat 54 and a connecting rod 57. The bidirectional screw 52 is rotatably connected to the upper side of the mounting groove 51 through a bearing. The adjusting seat 53 is slidably connected to the inner wall of the mounting groove 51. The adjusting seat 53 is threadedly connected to the left and right sides of the outer arc surface of the bidirectional screw 52 through a threaded hole arranged at the right end. The left and right sides of the upper end of the connecting plate 55 are respectively provided with a fixing seat 54. The connecting groove arranged at the upper end of the fixing seat 54 is rotatably connected with the connecting rod 57 through a pin shaft. The upper end of the connecting rod 57 is rotatably connected to the lower end of the vertically adjacent adjusting seat 53 through a pin shaft. Before use, the driving device starts to run through the regulation of the control device, and the driving device drives The two bidirectional screw rods 52 rotate, and during the rotation of the bidirectional screw rods 52, the bidirectional screw rods 52 drive the adjustment seat 53 to move through the threaded connection. At this time, the distance between the two laterally adjacent adjustment seats 53 gradually increases, so that the adjustment seat 53 gives a downward thrust to the fixed seat 54 through the connecting rod 57 during the movement, so that the fixed seat 54 drives the universal wheel 56 to extend downward through the connecting plate 55. When the universal wheel 56 contacts the ground, the connecting rod 57 lifts the safety lifting platform for bridge construction through the universal wheel 56, so that the support column 13 is separated from the ground, and the vertical pole 3 is pushed at this time, and then the safety lifting platform for bridge construction is moved to the designated work location. Through the coordinated arrangement of the adjusting seat 53 and the fixed seat 54, the position of the universal wheel 56 can be adjusted according to actual conditions. The structure is simple, and the whole process only needs one driving motor to complete, the operation is simple, and the cost is relatively low, which improves the overall stability and flexibility of the safety lifting platform for bridge construction.

[0025] Among them: it also includes a control switch group 2, which is arranged at the front end of the base 1, and the input end of the control switch group 2 is electrically connected to the external power supply, which can regulate the electrical components inside the device.

[0026] Wherein: it also includes a mounting rod 6, a double-layer pulley 7 and a pulley 8. The mounting rod 6 is rotatably connected to a cavity opened on the right side inside the base 1 through a bearing. The double-layer pulley 7 is arranged in the middle of the outer arc surface of the mounting rod 6. The pulleys 8 are all arranged on the right side of the outer arc surface of the bidirectional screw 52. The pulleys 8 are connected to the double-layer pulley 7 through a belt. The driving device drives the double-layer pulley 7 to rotate through the mounting rod 6 and drives the pulley 8 to rotate through the belt, thereby driving the two bidirectional screws 52 to rotate at the same time.

[0027] Wherein: it also includes a motor 9, which is arranged in the middle of the right end of the base 1, the left end of the output shaft of the motor 9 is fixedly connected to the right end of the mounting rod 6, and the input end of the motor 9 is electrically connected to the output end of the control switch group 2. Through the regulation of the control switch group 2, the motor 9 starts to run, and the output shaft of the motor 9 drives the double-layer pulley 7 to rotate, and the double-layer pulley 7 drives the pulley 8 to rotate through the belt, thereby driving the two bidirectional screws 52 to rotate at the same time.

[0028] Wherein: it also includes an electric push rod 12, the electric push rod 12 is arranged in the middle of the upper end of the base 1, the upper end of the telescopic end of the electric push rod 12 is fixedly connected to the lower end of the mounting plate 10, and the input end of the electric push rod 12 is electrically connected to the output end of the control switch group 2. Then, through the regulation of the control switch group 2, the electric push rod 12 starts to run, and the telescopic end of the electric push rod 12 extends, so that the mounting plate 10 moves upward along the vertical pole 3, and finally the staff is moved to the designated work location.

[0029] Among them: it also includes support columns 13, which are respectively arranged at the four corners of the lower end of the base 1, and the support columns 13 are installed and docked with corresponding workstations to achieve support and fixation of the base 1 and the internal equipment.

[0030] The working principle of a safe lifting platform for bridge construction provided by the utility model is as follows: before use, the motor 9 starts to run through the control of the control switch group 2, the output shaft of the motor 9 drives the double-layer pulley 7 to rotate, the double-layer pulley 7 drives the pulley 8 to rotate through the belt, and then drives the two bidirectional screws 52 to rotate at the same time. During the rotation of the bidirectional screw 52, ​​the bidirectional screw 52 drives the adjustment seat 53 to move through the threaded connection. At this time, the distance between the two horizontally adjacent adjustment seats 53 gradually increases, so that the adjustment seat 53 gives a downward thrust to the fixed seat 54 through the connecting rod 57 during the movement, so that the fixed seat 54 drives the universal wheel 56 to extend downward through the connecting plate 55. When the universal wheel 56 contacts the ground, the connecting rod 57 moves the bridge construction through the universal wheel 56 The safety lifting platform used is lifted up to separate the support column 13 from the ground. At this time, the vertical pole 3 is pushed. After the safety lifting platform used for bridge construction is moved to the designated work location, the motor 9 starts to run through the regulation of the control switch group 2, and the motor 9 drives the double-layer pulley 7 to reverse, thereby driving the adjustment seat 53 to reset through the bidirectional screw 52, ​​so that the universal wheel 56 is retracted into the interior of the installation groove 51, and finally the support column 13 is installed and docked with the corresponding work station, so as to realize the support and fixation of the base 1 and the internal equipment. Then the staff stands on the upper end of the mounting plate 10, and then through the regulation of the control switch group 2, the electric push rod 12 starts to run, and the telescopic end of the electric push rod 12 extends, so that the mounting plate 10 moves upward along the vertical pole 3, and finally the staff is moved to the designated work location.

[0031] It is worth noting that the motor 9 disclosed in the above embodiment can be selected as 5IK200A-AF, the electric push rod 12 can be selected as YRJ0905, and the control switch group 2 is provided with control buttons corresponding to the motor 9 and the electric push rod 12 for controlling their switches.

[0032] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A safe lifting platform for bridge construction, characterized in that: It comprises a base (1) and a moving mechanism (5); Base (1): four corners of the upper end of the base are respectively provided with upright poles (3), the upper ends of the upright poles (3) are fixedly connected to the lower ends of the protective plates (4), the upright poles (3) are respectively slidably connected to corresponding sliding holes provided at the lower ends of the mounting plates (10), and a protective fence (11) is provided in the middle of the upper end of the mounting plates (10); The moving mechanism (5) comprises a mounting groove (51), a connecting plate (55) and a universal wheel (56), wherein the mounting groove (51) is respectively arranged at the front and rear sides of the lower end of the base (1), the lower side of the mounting groove (51) is slidably connected to the connecting plate (55), and the universal wheel (56) is respectively arranged at the left and right sides of the lower end of the connecting plate (55); It also comprises a control switch group (2), wherein the control switch group (2) is arranged at the front end of the base (1), and an input end of the control switch group (2) is electrically connected to an external power supply; The moving mechanism (5) further comprises a bidirectional screw (52), an adjusting seat (53), a fixing seat (54) and a connecting rod (57), wherein the bidirectional screw (52) is rotatably connected to the upper side of the interior of the mounting groove (51) via bearings, the adjusting seats (53) are slidably connected to the inner wall of the mounting groove (51), the adjusting seats (53) are threadedly connected to the left and right sides of the outer arc surface of the bidirectional screw (52) via threaded holes arranged at the right ends, the fixing seats (54) are arranged on the left and right sides of the upper end of the connecting plate (55), the connecting grooves arranged at the upper ends of the fixing seats (54) are rotatably connected to the connecting rods (57) via pins, and the upper ends of the connecting rods (57) are rotatably connected to the lower ends of the vertically adjacent adjusting seats (53) via pins; It also includes a mounting rod (6), a double-layer pulley (7) and a pulley (8), wherein the mounting rod (6) is rotatably connected to a cavity opened on the right side inside the base (1) via a bearing, the double-layer pulley (7) is arranged in the middle of the outer arc surface of the mounting rod (6), the pulleys (8) are all arranged on the right side of the outer arc surface of the bidirectional screw (52), and the pulleys (8) are all connected to the double-layer pulley (7) through a belt.

2. A safety lifting platform for bridge construction according to claim 1, characterized in that: It also includes a motor (9), which is arranged in the middle of the right end of the base (1), the left end of the output shaft of the motor (9) is fixedly connected to the right end of the mounting rod (6), and the input end of the motor (9) is electrically connected to the output end of the control switch group (2).

3. A safety lifting platform for bridge construction according to claim 1, characterized in that: It also includes an electric push rod (12), which is arranged in the middle of the upper end of the base (1), the upper end of the telescopic end of the electric push rod (12) is fixedly connected to the lower end of the mounting plate (10), and the input end of the electric push rod (12) is electrically connected to the output end of the control switch group (2).

4. The safety lifting platform for bridge construction according to claim 1, characterized in that: It also comprises support columns (13), wherein the support columns (13) are respectively arranged at four corners of the lower end of the base (1).

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