Highway bridge expansion joint construction device

Abstract

The utility model discloses a highway bridge expansion joint construction device which comprises an expansion joint steel plate, hanging rods are vertically inserted into the left end and the right end of the expansion joint steel plate in a penetrating mode, locking plates bent downwards are fixed to the left end and the right end of the expansion joint steel plate, and fixing supports are fixed to the upper ends of the hanging rods. Steel baffles bent downwards are fixed to the front side and the rear side of the expansion joint steel plate correspondingly, a cylindrical level bubble is fixed to the center of the expansion joint steel plate, and a locking screw abutting against the hanging rod is installed on the locking plate in a threaded mode. When the height of the expansion joint steel plate is adjusted, the expansion joint steel plate can be directly moved up and down by loosening the locking screws, and the expansion joint steel plate is fixed by locking the locking screws after the adjustment is completed, so that the adjustment operation of the expansion joint steel plate is more convenient; and horizontal reference can be carried out during adjustment through the arranged cylindrical level bubble, so that the levelness of the expansion joint steel plate is exactly guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of highway bridge construction, in particular to a highway bridge expansion joint construction device. Background Art

[0002] The expansion joint of a highway bridge is a structure that is deliberately retained when building a highway bridge. It is mainly used to prevent factors such as temperature changes from affecting the safety of the highway bridge. The expansion joint of a highway bridge requires the use of construction equipment during construction.

[0003] The Chinese patent with announcement number CN215976830U discloses a highway bridge expansion joint construction device, including steel bars, expansion joint steel plates and connection structures; the steel bars are located between the concrete guardrail and the expansion joint steel plates, and the concrete guardrail and the expansion joint steel plates are provided with a first steel pad and a second steel pad respectively on the outside, the top and bottom ends of the steel bars pass through the first steel pad and the second steel pad respectively, and the two ends of the steel bars are screwed with a first nut and a second nut respectively; a support spring is provided between the concrete guardrail and the expansion joint steel plates, and the support spring is sleeved on the surface of the steel bars. The present application welds the expansion joint steel plate and the top of the steel baffle plate flatly to form a concave box, in which the length of the steel baffle plate is consistent with the width of the bridge deck, and then the steel bars are inserted into the expansion joint steel plates, and the upper ends of the steel bars are fixed to the upper part of the concrete guardrail so as to be fixed on the concrete guardrail to facilitate the installation of the device.

[0004] The above-mentioned highway bridge expansion joint construction device needs to screw the second nut to adjust the height of the expansion joint steel plate when adjusting the elevation during installation. This adjustment method requires screwing the second nut on the lower side of the expansion joint steel plate multiple times, which causes certain inconveniences in the adjustment operation. At the same time, the level of the expansion joint steel plate cannot be guaranteed when adjusting the height of the expansion joint steel plate. Utility Model Content

[0005] In order to solve the problems that the adjustment operation of the above-mentioned highway bridge expansion joint construction device is inconvenient and the level of the expansion joint steel plate cannot be ensured, the present application provides a highway bridge expansion joint construction device, which adopts the following technical solution:

[0006] A highway bridge expansion joint construction device comprises an expansion joint steel plate, hangers are vertically inserted through the left and right ends of the expansion joint steel plate, downwardly bent locking plates are fixed to the left and right ends of the expansion joint steel plate, a fixed bracket is fixed to the upper end of the hanger, downwardly bent steel baffles are fixed to the front and rear sides of the expansion joint steel plate, a cylindrical level bubble is fixed to the center of the expansion joint steel plate, and locking screws that are threadedly installed on the lock plate and tightened against the hanger.

[0007] Optionally, guide sleeves are fixed near the left and right ends of the expansion joint steel plate, and an installation cavity is opened in the center of the expansion joint steel plate.

[0008] Optionally, a threaded head is fixed to the upper end of the suspension rod, and a retaining ring is fixed to the lower end of the suspension rod.

[0009] Optionally, the fixing bracket includes a horizontally arranged connecting plate, a threaded hole matching the threaded head is opened at the center of the connecting plate, and a vertical mounting plate is fixed to one end of the connecting plate, and a mounting hole is opened at the center of the mounting plate.

[0010] Optionally, a mounting box is mounted on the outer side of the cylindrical vial, and a surrounding card slot is formed on the outer side of the mounting box.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] In the utility model, when the expansion joint steel plate is adjusted in height, the expansion joint steel plate can be directly moved up and down by loosening the locking screw. After the adjustment is completed, the locking screw is locked to fix the expansion joint steel plate, thereby making the adjustment operation of the expansion joint steel plate more convenient. The cylindrical level bubble is provided to provide a horizontal reference during adjustment, thereby just ensuring the level of the expansion joint steel plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a stereoscopic diagram of a highway bridge expansion joint construction device of the utility model;

[0015] Figure 2 It is a schematic diagram of an expansion joint steel plate of a highway bridge expansion joint construction device shown in the utility model;

[0016] Figure 3 It is a schematic diagram of a hanger rod of a highway bridge expansion joint construction device shown in the utility model;

[0017] Figure 4 It is a schematic diagram of a fixed bracket of a highway bridge expansion joint construction device shown in the utility model;

[0018] Figure 5 The utility model is a schematic diagram of a cylindrical level bubble of a highway bridge expansion joint construction device.

[0019] In the figure: 1. Fixed bracket; 11. Connecting plate; 12. Threaded hole; 13. Mounting hole; 14. Mounting plate; 2. Hanging rod; 21. Threaded head; 22. Retaining ring; 3. Expansion joint steel plate; 31. Mounting cavity; 32. Guide sleeve; 33. Locking screw; 34. Locking plate; 4. Cylindrical level bubble; 41. Slot; 42. Mounting box; 5. Steel retainer. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are 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. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is claimed, but merely represents selected embodiments of the utility model.

[0021] Please refer to Figure 1 and Figure 2 As shown, a highway bridge expansion joint construction device comprises an expansion joint steel plate 3, hangers 2 are vertically inserted at both ends of the expansion joint steel plate 3, and downwardly bent locking plates 34 are fixed at both ends of the expansion joint steel plate 3, a fixing bracket 1 is fixed to the upper end of the hanger 2, downwardly bent steel stops 5 are fixed to the front and rear sides of the expansion joint steel plate 3, and a cylindrical level bubble 4 is fixed to the center of the expansion joint steel plate 3, a locking screw 33 which is tightened on the hanger 2 is threadedly mounted on the locking plate 34, and the expansion joint steel plate 3 can be directly moved up and down by loosening the locking screw 33 when the expansion joint steel plate 3 is adjusted in height, and the expansion joint steel plate 3 is fixed by locking the locking screw 33 after the adjustment is completed, thereby making the adjustment operation of the expansion joint steel plate 3 more convenient, and the cylindrical level bubble 4 can be used for horizontal reference during adjustment, thereby just ensuring the level of the expansion joint steel plate 3.

[0022] Please refer to Figure 2 As shown, guide sleeves 32 are fixed near the left and right ends of the expansion joint steel plate 3 for guiding the suspension rod 2, and a mounting cavity 31 is opened in the center of the expansion joint steel plate 3 for fixing the mounting box 42.

[0023] Please refer to Figure 3 As shown, a threaded head 21 is fixed to the upper end of the suspension rod 2 for fixed connection with the fixed bracket 1, and a retaining ring 22 is fixed to the lower end of the suspension rod 2. The retaining ring 22 is used to limit the position of the suspension rod 2 when it is assembled with the expansion joint steel plate 3.

[0024] Please refer to Figure 4 As shown, the fixing bracket 1 includes a horizontally arranged connecting plate 11, a threaded hole 12 cooperating with the threaded head 21 is opened in the center of the connecting plate 11, the connecting plate 11 is fixedly connected to the upper end of the suspension rod 2 through the threaded hole 12, a vertical mounting plate 14 is fixed to one end of the connecting plate 11, a mounting hole 13 is opened in the center of the mounting plate 14, and the mounting plate 14 is fixed to the concrete guardrail by screws passing through the mounting hole 13.

[0025] Please refer to Figure 5 As shown, a mounting box 42 is sleeved on the outer side of the cylindrical vial 4 , and a surrounding clamping groove 41 is opened on the outer side of the mounting box 42 . The mounting box 42 is installed in the mounting cavity 31 and is clamped and fixed by the clamping groove 41 .

[0026] Working principle: When constructing the expansion joint, the lower ends of the two hangers 2 are inserted into the expansion joint steel plate 3, and then the fixed brackets 1 at the upper ends of the two hangers 2 are fixed to the concrete guardrail by screws, and then the height of the expansion joint steel plate 3 is adjusted. After completing the elevation processing of the expansion joint steel plate 3, tighten the locking screws 33 to lock and fix it, thereby completing the installation of the expansion joint construction device.

[0027] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. 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 highway bridge expansion joint construction device, comprising an expansion joint steel plate (3), characterized in that: The left and right ends of the expansion joint steel plate (3) are vertically inserted with a suspension rod (2), and the left and right ends of the expansion joint steel plate (3) are fixed with a downwardly bent locking plate (34), the upper end of the suspension rod (2) is fixed with a fixed bracket (1), the front and rear sides of the expansion joint steel plate (3) are fixed with downwardly bent steel stops (5), and the center of the expansion joint steel plate (3) is fixed with a cylindrical level bubble (4), and the locking screw (33) is threadedly installed on the locking plate (34) and is tightened on the suspension rod (2).

2. A highway bridge expansion joint construction device according to claim 1, characterized in that: The expansion joint steel plate (3) is fixed with guide sleeves (32) near the left and right ends, and a mounting cavity (31) is provided at the center of the expansion joint steel plate (3).

3. A highway bridge expansion joint construction device according to claim 1, characterized in that: A threaded head (21) is fixed to the upper end of the suspension rod (2), and a retaining ring (22) is fixed to the lower end of the suspension rod (2).

4. A highway bridge expansion joint construction device according to claim 3, characterized in that: The fixing bracket (1) comprises a horizontally arranged connecting plate (11), a threaded hole (12) cooperating with a threaded head (21) being provided at the center of the connecting plate (11), and a vertical mounting plate (14) being fixed to one end of the connecting plate (11), a mounting hole (13) being provided at the center of the mounting plate (14).

5. A highway bridge expansion joint construction device according to claim 1, characterized in that: The outer side of the cylindrical vial (4) is sleeved with a mounting box (42), and the outer side surface of the mounting box (42) is provided with a surrounding clamping groove (41).

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