CN215249435U

CN215249435U - Lifting platform for bridge maintenance

Info

Publication number: CN215249435U
Application number: CN202121600514.2U
Authority: CN
Inventors: 吴雅茜; 汤文涛; 丁金强; 张鹏方
Original assignee: China Construction Civil Engineering Co Ltd
Current assignee: China Construction Civil Engineering Co Ltd
Priority date: 2021-07-14
Filing date: 2021-07-14
Publication date: 2021-12-21
Anticipated expiration: 2031-07-14

Abstract

The utility model discloses a lifting platform for bridge maintenance, which comprises a base, a support frame, a lifting mechanism, a slide bar, a lead screw threaded cap, a hoisting mechanism and a workbench; the supporting frame is vertically connected with the base, a pair of sliding grooves are symmetrically arranged on the supporting frame, two ends of a sliding rod matched with the sliding grooves are respectively fixedly connected with the pair of working tables, and the sliding rod is in sliding connection with the supporting frame through the sliding grooves; the supporting frame is provided with a lifting mechanism, the workbench is connected with the lifting mechanism through a lead screw threaded cap, and the workbench is provided with a hoisting mechanism. The utility model discloses area is little, and the workstation can not contact with ground, under the prerequisite of guaranteeing the normal maintenance of staff, has reduced construction platform's area, has avoided the problem that the road occupy for the vehicle on the road normally traveles.

Description

Lifting platform for bridge maintenance

Technical Field

The utility model relates to a bridge maintenance technical field, especially a lift platform is used in bridge maintenance.

Background

With the economic development of modern society, more and more bridges are built, and in order to prolong the service life of the bridges, the bridges need to be maintained and reinforced, which is an important task of bridge maintenance management and is a favorable means for ensuring the normal work of the bridges.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a lifting platform for bridge maintenance, which solves the technical problem of how to occupy the road as little as possible in the bridge maintenance process, thereby not influencing the normal road; how to make it more convenient for the aerial worker to obtain the required tools or materials.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a lifting platform for bridge maintenance, which comprises a base, a support frame, a lifting mechanism, a slide bar, a lead screw threaded cap, a hoisting mechanism and a workbench; the supporting frame is vertically connected with the base, a pair of sliding grooves are symmetrically arranged on the supporting frame, two ends of a sliding rod matched with the sliding grooves are respectively fixedly connected with the pair of working tables, and the sliding rod is in sliding connection with the supporting frame through the sliding grooves; the supporting frame is provided with a lifting mechanism, the workbench is connected with the lifting mechanism through a lead screw threaded cap, and the workbench is provided with a hoisting mechanism.

The lifting mechanism is in an inverted U shape and comprises a pair of bidirectional screw rods, two pairs of bearings, a transmission device and a servo motor; the two pairs of bearings are symmetrically arranged on the center lines of the left side and the right side of the support frame, the pair of bidirectional screw rods are respectively in rotating connection with the two pairs of bearings, the pair of bidirectional screw rods are in transmission connection through a transmission device arranged at the tops of the bidirectional screw rods, the servo motor is arranged at the top of one bidirectional screw rod, and an energy output shaft of the servo motor is connected with the top of the other bidirectional screw rod; one end of the screw thread cap is fixedly connected with the workbench, the other end of the screw thread cap is sleeved on the bidirectional screw, and the screw thread cap moves up and down along the bidirectional screw.

The hoisting mechanism comprises a telescopic rod, a fixed plate, an adjusting rod, a connecting rope, a fixed bolt, a connecting block, a storage basket, a supporting plate, a bottom fixed sleeve and a winding roller; one end of a vertically arranged telescopic rod is fixedly connected with the bottom fixing sleeve, the other end of the vertically arranged telescopic rod is connected with a longitudinally arranged support plate in a socket joint mode, the support plate is fixedly connected with the storage basket, the bottom fixing sleeve is fixedly connected with the side face of the base, and a connecting block is arranged at the top of the storage basket; fixed plate and workstation top fixed connection, the inside joint of fixed plate has the wire winding roller, and the wire winding roller extends the one end of fixed plate and is connected with adjusting the pole, and the gim peg passes and adjusts pole and fixed plate side threaded connection, connects rope one end winding on the wire winding roller, the other end and connecting block fixed connection.

Further, the workstation is the cuboid of upper shed, and a side of workstation is rather than articulated roll-over door.

Furthermore, the turnover door also comprises a clamping bolt, and the other end of the turnover door is connected with the side surface of the workbench through the clamping bolt.

Further, the connecting block is in an inverted concave shape.

Furthermore, a light reflecting strip is arranged on the outer wall of the workbench.

Furthermore, a rainproof device is arranged at the top of the support frame.

The beneficial effects of the utility model are embodied in.

1, the lifting platform for bridge maintenance provided by the utility model realizes the lifting of the workbench by the cooperation of the bidirectional screw rod, the transmission device, the servo motor, the sliding chute, the sliding rod, the workbench and the like; starting a servo motor to enable a pair of bidirectional screw rods to rotate, and adjusting the positions of two working tables simultaneously; meanwhile, the baffles are arranged around the workbench, maintenance personnel can be protected, the workpiece to be maintained is prevented from falling, the working efficiency is improved, the workbench is not in contact with the ground, the occupied area of the construction platform is reduced on the premise that normal maintenance of the working personnel is guaranteed, the problem of road occupation is avoided, and traffic vehicles on the road can normally run.

2, the utility model provides a pair of lift platform is used in bridge maintenance through the hoisting machine who sets up constitutions such as telescopic link, fixed plate, regulation pole, connection rope, gim peg and connecting block, rotates the regulation pole after taking out the gim peg from adjusting the pole for adjust the pole and drive the winding roller and rotate, realize the lift of storage basket, can carry the maintenance tool that the staff forgotten, thereby make things convenient for going on of maintenance work.

3, the utility model provides a pair of lift platform is used in bridge maintenance, through setting up telescopic link, storage basket and backup pad, the storage basket drives the backup pad at the in-process that goes up and down and goes up and down for the backup pad removes along the vertical direction on the telescopic link, carries the maintenance worker staff with instrument or the material of maintenance usefulness at any time, and the setting of telescopic link has simultaneously guaranteed the storage basket at the stability of removal in-process, still can avoid the storage basket at the lift in-process with the workstation condition of bumping.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The primary objects and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a partially enlarged schematic view at a in fig. 1.

Fig. 3 is a schematic structural diagram of the middle base, the bidirectional screw, the screw cap and the workbench of the present invention.

Figure 4 is the structure schematic diagram of the hoisting mechanism in the utility model.

Reference numerals: the device comprises a base 1, a support frame 2, a bearing 3, a bidirectional screw rod 4, a transmission 5, a servo motor 6, a sliding chute 7, a sliding rod 8, a workbench 9, a clamping bolt 10, a telescopic rod 11, a screw rod screw cap 12, a fixing plate 13, an adjusting rod 14, a connecting rope 15, a fixing bolt 16, a connecting block 17, an article storage basket 18, a support plate 19, a winding roller 20, a bottom fixing sleeve 21 and a turnover door 22.

Detailed Description

The technical solutions of the present invention are described in detail below by way of examples, which are only exemplary and can be used only for explaining and explaining the technical solutions of the present invention, but not for explaining the limitations of the technical solutions of the present invention.

As shown in fig. 1 to 4, the utility model relates to a lifting platform for bridge maintenance, which comprises a base 1, a support frame 2, a lifting mechanism, a slide bar 8, a screw cap 12, a hoisting mechanism and a workbench 9; the supporting frame 2 is vertically connected with the base 1, a pair of sliding chutes 7 are symmetrically arranged on the supporting frame 2, two ends of a sliding rod 8 matched with the sliding chutes 7 are respectively and fixedly connected with a pair of workbenches 9, the sliding rod 8 is in sliding connection with the supporting frame 2 through the sliding chutes 7, and the workbenches 9 slide up and down on the supporting frame 2 through the sliding rod 8, so that the movement of the workbenches 9 is more stable, the track is fixed, the stability of the moving process is ensured, and unsafe hidden dangers caused by the rotation of the workbenches 9 are avoided; a lifting mechanism is arranged on the support frame 2, the workbench 9 is connected with the lifting mechanism through a lead screw threaded cap 12, and a hoisting mechanism is arranged on the workbench 9.

The workbench 9 is a cuboid with an upper opening, and one side surface of the workbench 9 is provided with a turnover door 22 hinged with the workbench. The other end of the turnover door 22 is connected with the side face of the workbench 9 through the clamping bolt 10, the turnover door 22 is connected with the side face of the workbench 9 in a fixed mode through the clamping bolt 10 more stably, the turnover door not only facilitates the entering and exiting of workers, but also can protect the safety of maintenance workers and avoid the falling of maintenance tools. Be provided with anti-light strip on the 9 outer walls of workstation, can play the warning effect at night, prevent to collide with, perhaps remind pedestrian vehicle to keep away from the utility model discloses, avoid causing the potential safety hazard.

The lifting mechanism is in an inverted U shape and comprises a pair of bidirectional screw rods 4, two pairs of bearings 3, a transmission device 5 and a servo motor 6; the two pairs of bearings 3 are symmetrically arranged on the center lines of the left side and the right side of the support frame 2, the two pairs of bidirectional screws 4 are respectively in rotating connection with the two pairs of bearings 3, one bearing 3 is respectively arranged above and below each bidirectional screw 4, the bidirectional screws 4 can rotate, the rotating positions of the bidirectional screws 4 can be limited at the same time, the two pairs of bidirectional screws 4 are in transmission connection through transmission devices 5 arranged at the tops of the bidirectional screws 4, the servo motor 6 is arranged at the top of one bidirectional screw 4, and an energy output shaft of the servo motor is connected with the top of the other bidirectional screw 4; one end of a screw thread cap 12 is fixedly connected with the workbench 9, the other end of the screw thread cap is sleeved on the bidirectional screw 4, and the screw thread cap 12 moves up and down along the bidirectional screw 4. And because the top of the support frame 2 is provided with a rainproof device, the lifting mechanism is shielded when raining, and the influence of rainwater on the service life of the lifting mechanism can be reduced.

The lifting mechanism, the screw rod threaded cap 12, the workbench 9 and the like are matched for use, so that the workbench 9 is lifted; starting the servo motor 6 to rotate the pair of bidirectional screw rods 4, and adjusting the positions of the two working tables 9 at the same time; meanwhile, the baffles are arranged around the working table 9, so that maintenance personnel can be protected, the condition that the workpiece to be maintained drops is avoided, the working efficiency is improved, the working table 9 is not in contact with the ground, the occupied area of the construction platform is reduced on the premise that normal maintenance of the working personnel is guaranteed, the problem that the road occupies is avoided, and the traffic vehicles on the road can normally run.

The hoisting mechanism comprises a telescopic rod 11, a fixing plate 13, an adjusting rod 14, a connecting rope 15, a fixing bolt 16, a connecting block 17, a storage basket 18, a supporting plate 19, a bottom fixing sleeve 21 and a winding roller 20; one end of a vertically arranged telescopic rod 11 is fixedly connected with a bottom fixing sleeve 21, the other end of the vertically arranged telescopic rod is connected with a supporting plate 19 in a socket joint mode, the supporting plate 19 is fixedly connected with a storage basket 18, the bottom fixing sleeve 21 is fixedly connected with the side face of the base 1, a connecting block 17 in an inverted concave shape is arranged at the top of the storage basket 18, and when a hoisting mechanism reaches a preset position, a worker can conveniently grab and lift the hoisting mechanism;

fixed plate

13 and 9 top fixed connection of workstation, the inside joint of fixed plate 13 has wire winding roller 20, and wire winding roller 20 extends the one end of fixed plate 13 and is connected with adjusting pole 14, and gim peg 16 passes and adjusts

pole

14 and 13 side threaded connection, connects 15 one end windings of rope on wire winding roller 20, the other end and connecting block 17 fixed connection.

The fixing bolt 16 is taken out of the adjusting rod 14, then the adjusting rod 14 is rotated, the adjusting rod 14 drives the winding roller 20 to rotate, the storage basket 18 is lifted, maintenance tools forgotten by workers can be conveyed, and maintenance work is facilitated.

The utility model relates to a bridge maintenance is with lift platform's use step as follows.

Firstly, moving the device to a position to be maintained and operated in a construction site, taking out the clamping bolt 10 by a worker, opening the turnover door 22 on the workbench 9, entering the workbench 9, and putting the clamping bolt 10 back to the original position; the servo motor 6 is started to adjust the position of the workbench 9, so that the workbench 9 moves upwards, and the servo motor 6 is closed after a worker ascends to a certain height, so that the bridge can be maintained.

Secondly, if the worker forgets the maintenance tool, the worker on the ground can be informed to put the forgotten maintenance tool into the storage basket 18; and starting the hoisting mechanism again, conveying the tool to a working area, and taking out the tool by a worker.

And finally, after the maintenance is finished, the servo motor 6 is started, and the workers return to the ground.

The utility model discloses not only can be used to bridge engineering's maintenance and construction, also can be used to other construction projects that need high altitude construction.

The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be considered by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a bridge is lift platform for maintenance which characterized in that: comprises a base (1), a support frame (2), a lifting mechanism, a slide bar (8), a screw rod threaded cap (12), a hoisting mechanism and a workbench (9);

the supporting frame (2) is vertically connected with the base (1), a pair of sliding chutes (7) is symmetrically arranged on the supporting frame (2), two ends of a sliding rod (8) matched with the sliding chutes (7) are respectively and fixedly connected with a pair of working tables (9), and the sliding rod (8) is in sliding connection with the supporting frame (2) through the sliding chutes (7); a lifting mechanism is arranged on the support frame (2), the workbench (9) is connected with the lifting mechanism through a lead screw threaded cap (12), and a hoisting mechanism is arranged on the workbench (9);

the lifting mechanism is in an inverted U shape and comprises a pair of bidirectional screw rods (4), two pairs of bearings (3), a transmission device (5) and a servo motor (6); the two pairs of bearings (3) are symmetrically arranged on the center line of the left side and the right side of the support frame (2), the two pairs of bidirectional screws (4) are respectively in rotating connection with the two pairs of bearings (3), the two pairs of bidirectional screws (4) are in transmission connection through transmission devices (5) arranged at the tops of the bidirectional screws, the servo motor (6) is arranged at the top of one bidirectional screw (4), and an energy output shaft of the servo motor is connected with the top of the other bidirectional screw (4); one end of a screw rod thread cap (12) is fixedly connected with the workbench (9), the other end of the screw rod thread cap is sleeved on the bidirectional screw rod (4), and the screw rod thread cap (12) moves up and down along the bidirectional screw rod (4);

the hoisting mechanism comprises a telescopic rod (11), a fixing plate (13), an adjusting rod (14), a connecting rope (15), a fixing bolt (16), a connecting block (17), a storage basket (18), a supporting plate (19), a bottom fixing sleeve (21) and a winding roller (20); one end of a vertically arranged telescopic rod (11) is fixedly connected with a bottom fixing sleeve (21), the other end of the vertically arranged telescopic rod is connected with a longitudinally arranged support plate (19) in a socket joint manner, the support plate (19) is fixedly connected with a storage basket (18), the bottom fixing sleeve (21) is fixedly connected with the side surface of the base (1), and the top of the storage basket (18) is provided with a connecting block (17); fixed plate (13) and workstation (9) top fixed connection, fixed plate (13) inside joint has wire winding roller (20), and wire winding roller (20) extend the one end of fixed plate (13) and are connected with regulation pole (14), and gim peg (16) pass and adjust pole (14) and fixed plate (13) side threaded connection, connect rope (15) one end winding on wire winding roller (20), the other end and connecting block (17) fixed connection.

2. The lifting platform for bridge maintenance according to claim 1, wherein the working platform (9) is a cuboid with an upper opening, and one side surface of the working platform (9) is provided with a turnover door (22) hinged with the working platform.

3. The lifting platform for bridge maintenance according to claim 2, further comprising a latch (10), wherein the other end of the roll-over door (22) is connected with the side of the working platform (9) through the latch (10).

4. A lifting platform for bridge maintenance according to claim 3, characterised in that the connection block (17) is of inverted concave shape.

5. The lifting platform for bridge maintenance according to claim 4, characterized in that the outer wall of the working platform (9) is provided with a reflective strip.

6. A lifting platform for bridge maintenance according to claim 5, characterized in that a rain-proof device is arranged on top of the supporting frame (2).