Bridge welding auxiliary device

Abstract

The utility model relates to the technical field of bridge welding assistance, in particular to a bridge welding assisting device which comprises a column body, two symmetrically-arranged grooves are formed in the outer wall of the column body, the inner walls of the two grooves are connected with the same sliding sleeve in a sliding mode, a plurality of tooth grooves distributed at equal intervals are formed in the inner walls of one sides of the two grooves, and the tooth grooves are connected with the same sliding sleeve in a sliding mode. Two symmetrically-arranged mounting openings are formed in the outer wall of the sliding sleeve, locking boxes are fixedly connected to the inner walls of the two mounting openings correspondingly, and racks are arranged on the outer walls of the opposite sides of the two locking boxes correspondingly. The defects in the prior art are overcome, the threaded rod is arranged in the column body, the threaded sleeve is conveniently driven to ascend and descend when the threaded rod rotates, the sliding sleeve is conveniently and directly driven to ascend and descend when the threaded sleeve ascends and descends, and a bridge needing to be welded is conveniently and directly supported through cooperation of the supporting rod and the supporting plate when the sliding sleeve ascends; and a worm gear and a worm are arranged on a screw rod, so that the two supporting plates are convenient to adjust, and the problem that an existing bridge welding supporting auxiliary device is inconvenient to adjust is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge welding assistance, in particular to a bridge welding assistance device. Background Art

[0002] Bridges generally refer to structures built across rivers, lakes, and seas to allow vehicles and pedestrians to pass smoothly. 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 passage more convenient; with the development of bridges, the stability of their construction plays a vital role.

[0003] After searching, the Chinese patent application number CN207659844U discloses an auxiliary support device for a bridge, including a bridge body, a column welded at the bottom of the bridge body, a first half ring and a second half ring are respectively sleeved on both sides of the outer surface of the column, a first steel plate is welded on both sides of the outer surface of the first half ring, a second steel plate is welded on both sides of the outer surface of the second half ring, and the first steel plate and the second steel plate are threadedly connected by a first bolt, a connecting pipe is welded on one side of the outer surface of the first steel plate, a torsion spring is fixedly connected to the inner wall of the connecting pipe, one end of the torsion spring is fixedly connected to a connecting block, and one side of the connecting block is fixedly connected to a locking rod.

[0004] An auxiliary support device for a bridge in the above patent has the following shortcomings: in the above patent, the bridge is supported by arranging a half ring on the column and a support rod to cooperate with each other, but the two half rings are inconvenient to move and the clamping force of the support rod is inconvenient to adjust, resulting in the support rod failing to effectively support the bridge. Utility Model Content

[0005] The purpose of the utility model is to solve or at least alleviate the problems existing in the prior art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a bridge welding auxiliary device, comprising a column, the outer wall of the column is provided with two symmetrically arranged grooves, and the inner walls of the two grooves are slidably connected with the same sliding sleeve, the inner walls of one side of the two grooves are provided with a plurality of equally spaced tooth grooves, the outer wall of the sliding sleeve is provided with two symmetrically arranged installation openings, and the inner walls of the two installation openings are fixedly connected with locking boxes, the outer walls of the two locking boxes on the opposite side are provided with racks, the racks and the tooth grooves are meshed with each other, the inner wall of the column is rotatably connected with a threaded rod, and the outer wall of the threaded rod is screwed with a threaded sleeve, the outer wall of the column is provided with two openings, and the threaded sleeve passes through the two openings and is fixedly connected to the sliding sleeve.

[0007] With the above structure, the stability of the sliding sleeve can be improved through the cooperation between the tooth groove and the rack on the locking box, and the cooperation between the threaded rod and the threaded sleeve can facilitate the adjustment of the height of the sliding sleeve.

[0008] One end of the threaded rod is fixedly connected to a worm wheel, and the inner wall of the cylinder is rotatably connected to the same worm, and the worm and the worm wheel are meshed with each other.

[0009] With the above structure, the threaded rod can be directly driven to rotate through the cooperation between the worm and the worm wheel.

[0010] An outer wall of one side of the column is rotatably connected with an adjusting disk, and one end of a transmission shaft of the adjusting disk is fixedly connected to the worm.

[0011] With the above structure, the worm can be directly driven to rotate by setting the adjusting disk.

[0012] The inner wall of the locking box is fixedly connected to two sliding rods, and the outer walls of the two sliding rods are slidably connected to the same sliding seat, and the sliding seat is fixedly connected to the rack.

[0013] With the above structure, the movement track of the sliding seat can be conveniently limited by setting the sliding rod, and the rack can be conveniently driven to move when the sliding seat moves.

[0014] The outer walls of the two sliding rods are sleeved with springs, and the sliding seat is a T-shaped structure.

[0015] With the above structure, the sliding seat can be directly pushed to move by the spring.

[0016] A screw rod is rotatably connected to an inner wall of one side of the locking box, and a sliding seat is screwed on an outer wall of the screw rod.

[0017] With the above structure, the sliding seat is driven to move by the rotation of the screw rod, thereby facilitating the adjustment of the position of the rack.

[0018] A knob is rotatably connected to an outer wall of one side of the locking box, and a knob transmission shaft is fixedly connected to the screw rod.

[0019] With the above structure, the screw rod can be driven to rotate conveniently through the setting of the knob.

[0020] The outer wall of the sliding sleeve is rotatably connected to two symmetrically arranged support rods, and one end of the two support rods is rotatably connected to a support plate.

[0021] By adopting the above structure, the bridge support can be supported conveniently through the cooperation between the support rod and the support plate.

[0022] Compared with the prior art, the beneficial effects of the utility model are:

[0023] (1) The utility model arranges a screw in the column, and when the screw rotates, it is convenient to drive the threaded sleeve to rise and fall. When the threaded sleeve rises and falls, it is convenient to directly drive the sliding sleeve to rise and fall. When the sliding sleeve rises, it is convenient to directly support the bridge to be welded through the support rod and the support plate. In addition, a worm gear and a worm are arranged on the screw to facilitate the adjustment of the two support plates, thereby solving the problem that the existing bridge welding support auxiliary device is inconvenient to adjust;

[0024] (2) The utility model provides a rack on the sliding sleeve, and the cooperation between the rack and the tooth groove facilitates improving the stability of the support rod and the support plate. At the same time, the cooperation between the screw rod and the knob facilitates direct adjustment of the position of the rack. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0026] Figure 2 This is a schematic diagram of the screw structure of the utility model;

[0027] Figure 3 This is a schematic diagram of the locking box structure of the utility model.

[0028] In the figure: 1, cylinder; 2, groove; 3, tooth groove; 4, adjusting disk; 5, sliding sleeve; 6, support rod; 7, support plate; 8, opening; 9, threaded rod; 10, worm gear; 11, threaded sleeve; 12, rack; 13, locking box; 14, sliding seat; 15, sliding rod; 16, spring; 17, screw; 18, knob. DETAILED DESCRIPTION

[0029] 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.

[0030] See also Figure 1-3A bridge welding auxiliary device comprises a column 1, the outer wall of the column 1 is provided with two symmetrically arranged grooves 2, and the inner walls of the two grooves 2 are slidably connected with the same sliding sleeve 5, the inner walls of one side of the two grooves 2 are provided with a plurality of equally spaced tooth grooves 3, the outer wall of the sliding sleeve 5 is provided with two symmetrically arranged installation openings, and the inner walls of the two installation openings are fixedly connected with locking boxes 13, the outer walls of the two locking boxes 13 on the opposite side are provided with racks 12, the racks 12 and the tooth grooves 3 are meshed with each other, the inner wall of the column 1 is rotatably connected with a threaded rod 9, and the outer wall of the threaded rod 9 is screwed with a threaded sleeve 11, the outer wall of the column 1 is provided with two openings 8, the threaded sleeve 11 passes through the two openings 8 and is fixedly connected to the sliding sleeve 5, the cooperation between the tooth grooves 3 and the rack 12 on the locking box 13 facilitates the improvement of the stability of the sliding sleeve 5, and the cooperation between the threaded rod 9 and the threaded sleeve 11 facilitates the adjustment of the height of the sliding sleeve 5.

[0031] For details, please refer to Figure 1 One end of the threaded rod 9 is fixedly connected to a worm wheel 10, and the inner wall of the column 1 is rotatably connected to the same worm. The worm and the worm wheel 10 are meshed with each other. Through the cooperation between the worm and the worm wheel 10, the threaded rod 9 can be directly driven to rotate.

[0032] For details, please refer to Figure 1-2 An outer wall of one side of the column 1 is rotatably connected with an adjusting disk 4, and one end of the transmission shaft of the adjusting disk 4 is fixedly connected to the worm. The setting of the adjusting disk 4 facilitates the direct rotation of the worm.

[0033] For details, please refer to Figure 3 The inner wall of the locking box 13 is fixedly connected to two sliding rods 15, and the outer walls of the two sliding rods 15 are slidably connected to the same sliding seat 14. The sliding seat 14 is fixedly connected to the rack 12. The setting of the sliding rod 15 is convenient for limiting the moving trajectory of the sliding seat 14, and when the sliding seat 14 moves, it is convenient to drive the rack 12 to move.

[0034] For details, please refer to Figure 3 The outer walls of the two slide bars 15 are sleeved with springs 16 , and the slide seat 14 is a T-shaped structure, and the spring 16 is used to directly push the slide seat 14 to move.

[0035] For details, please refer to Figure 3 A screw 17 is rotatably connected to the inner wall of one side of the locking box 13 , and the sliding seat 14 is screwed on the outer wall of the screw 17 . The sliding seat 14 is moved by the rotation of the screw 17 , thereby facilitating the adjustment of the position of the rack 12 .

[0036] For details, please refer to Figure 1 A knob 18 is rotatably connected to an outer wall of one side of the locking box 13, and a transmission shaft of the knob 18 is fixedly connected to the screw 17. The setting of the knob 18 facilitates the screw 17 to rotate.

[0037] For details, please refer to Figure 2 The outer wall of the sliding sleeve 5 is rotatably connected to two symmetrically arranged support rods 6, and one end of the two support rods 6 is rotatably connected to a support plate 7, so that the bridge support is conveniently supported by the cooperation between the support rods 6 and the support plates 7.

[0038] Working principle: When in use, first install the support rod 6 on the bridge support through the support plate 7, and then rotate the adjusting disk 4 to directly drive the worm to rotate and then drive the threaded rod 9 to rotate through the worm gear 10. When the threaded rod 9 rotates, it directly drives the threaded sleeve 11 to rise and fall. When the threaded sleeve 11 rises, it directly drives the sliding sleeve 5 to rise. When the sliding sleeve 5 rises, it directly drives the support rod 6 to cooperate with the support plate 7 for support, so as to facilitate the support of the bridge welding frame. When adjusted to the appropriate position, the screw rod 17 is driven to rotate through the knob 18, and then it is convenient to push the sliding seat 14 to drive the rack 12 and the tooth groove 3 to engage, thereby improving the stability of the sliding sleeve 5.

[0039] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A bridge welding auxiliary device, comprising a column (1), characterized in that: The outer wall of the column (1) is provided with two symmetrically arranged grooves (2), and the inner walls of the two grooves (2) are slidably connected to the same sliding sleeve (5), the inner walls of one side of the two grooves (2) are provided with a plurality of tooth grooves (3) distributed at equal distances, the outer wall of the sliding sleeve (5) is provided with two symmetrically arranged installation openings, and the inner walls of the two installation openings are fixedly connected to a locking box (13), and the outer walls of the two locking boxes (13) on the opposite side are provided with a rack (12), and the rack (12) and the tooth groove (3) are meshed with each other, the inner wall of the column (1) is rotatably connected to a threaded rod (9), and the outer wall of the threaded rod (9) is screwed with a threaded sleeve (11), the outer wall of the column (1) is provided with two openings (8), and the threaded sleeve (11) passes through the two openings (8) and is fixedly connected to the sliding sleeve (5).

2. A bridge welding auxiliary device according to claim 1, characterized in that: One end of the threaded rod (9) is fixedly connected to a worm wheel (10), and the inner wall of the column (1) is rotatably connected to the same worm, and the worm and the worm wheel (10) are meshed with each other.

3. A bridge welding auxiliary device according to claim 2, characterized in that: An adjusting disc (4) is rotatably connected to an outer wall of one side of the column (1), and one end of a transmission shaft of the adjusting disc (4) is fixedly connected to the worm.

4. A bridge welding auxiliary device according to claim 3, characterized in that: The inner wall of the locking box (13) is fixedly connected to two sliding rods (15), and the outer walls of the two sliding rods (15) are slidably connected to the same sliding seat (14), and the sliding seat (14) is fixedly connected to the rack (12).

5. A bridge welding auxiliary device according to claim 4, characterized in that: The outer walls of the two sliding rods (15) are sleeved with springs (16), and the sliding seat (14) is a T-shaped structure.

6. A bridge welding auxiliary device according to claim 5, characterized in that: A screw rod (17) is rotatably connected to an inner wall of one side of the locking box (13), and the sliding seat (14) is screwed to an outer wall of the screw rod (17).

7. A bridge welding auxiliary device according to claim 6, characterized in that: A knob (18) is rotatably connected to an outer wall of one side of the locking box (13), and a transmission shaft of the knob (18) is fixedly connected to the screw rod (17).

8. A bridge welding auxiliary device according to claim 7, characterized in that: The outer wall of the sliding sleeve (5) is rotatably connected to two symmetrically arranged support rods (6), and one end of each of the two support rods (6) is rotatably connected to a support plate (7).

Images