Anti-seismic bridge steel structure guardrail

Abstract

The utility model relates to the technical field of steel structure guardrails, and discloses an anti-seismic bridge steel structure guardrail which comprises a main body mechanism, a left-right damping mechanism and an up-down damping mechanism, the left-right damping mechanism is located in the main body mechanism, the up-down damping mechanism is located in the main body mechanism, and the main body mechanism comprises a cover plate. A first threaded hole is formed in the cover plate, a first limiting plate is fixedly connected to the bottom of the cover plate, side plates are arranged on the left side and the right side of the cover plate in a contact mode, second threaded holes are formed in the side plates, a bottom plate is designed at the bottoms of the side plates in a contact mode, the cover plate is in threaded connection with the side plates through second bolts, and a second limiting plate is fixedly connected to the top of the bottom plate. The bottom plate is fixedly connected with a connecting block, a fixing groove is formed in the bottom of the bottom plate, connection and installation between guardrails can be facilitated by adjusting a second bolt, then the bolts can be adjusted to be separated from the bottom plate and the cover plate by adjusting a first bolt, and therefore the side plates are detached to maintain the interior.

Description

Technical Field

[0001] The utility model relates to the technical field of steel structure guardrails, in particular to an earthquake-resistant bridge steel structure guardrail. Background Art

[0002] Seismic bridge steel guardrail refers to a steel guardrail designed to enhance the seismic performance of bridge structures during bridge construction. Guardrails play a protective and safety role on bridges, and the seismic design means that it has better seismic performance, which can reduce the damage to the bridge structure when an earthquake occurs and improve the overall safety of the bridge.

[0003] Publication No. CN218116134U discloses an earthquake-resistant bridge steel structure guardrail, including a receiving base, a mounting groove, a mounting rod, a fixing frame, a connecting member, a limiting groove, a buffer sliding bottom bracket, a steel structure guardrail body, a slot, a limiting member and a shock absorbing device, wherein the mounting groove is arranged on the receiving base, the mounting rod is plugged and pulled out on the mounting groove, the fixing frame is arranged on the mounting rod, the connecting member is arranged on the fixing frame, and the limiting groove is arranged on the connecting member. The utility model belongs to the technical field of guardrails, specifically an earthquake-resistant bridge steel structure guardrail, which effectively solves the problem that the beam steel structure guardrail on the current market is relatively simple in structure, lacks the function of shock absorption protection, the fixed structure lacks collision buffer space, and has high maintenance cost after damage, and realizes convenient installation and maintenance, and has strong protection, has shock absorption and buffer space, improves safety after collision, and reduces maintenance and repair costs.

[0004] The device only has one-way shock absorption when it is assembled. When the other side is impacted, it may cause damage to the guardrail and thus lose its function. Utility Model Content

[0005] In order to solve the above technical problems, the utility model discloses a novel earthquake-resistant bridge steel structure guardrail.

[0006] The utility model is implemented by the following technical scheme: an earthquake-resistant bridge steel structure guardrail, including a main body mechanism, left and right shock absorbing mechanisms and upper and lower shock absorbing mechanisms, the left and right shock absorbing mechanisms are located inside the main body mechanism, and the upper and lower shock absorbing mechanisms are located inside the main body mechanism.

[0007] The main body mechanism includes a cover plate, a threaded hole 1 is opened on the cover plate, a limiting plate 1 is fixedly connected to the bottom of the cover plate, side plates are contacted on the left and right sides of the cover plate, a threaded hole 2 is opened on the side plate, a bottom plate is contacted with the bottom of the side plate, the cover plate and the side plate are threadedly connected by two bolts, the top of the bottom plate is fixedly connected to the limiting plate 2, the bottom plate is fixedly connected to a connecting block, a fixing groove is opened at the bottom of the bottom plate, a guardrail is contacted with the bottom plate, and a bolt 1 is threadedly connected to the top of the connecting block.

[0008] As a further improvement of the above scheme, there are two threaded holes one, and the two threaded holes one are designed symmetrically with respect to the center of the cover plate; there are two side panels designed, and the two side panels are symmetrically arranged with respect to the center of the cover plate; there are four threaded holes two, and the four threaded holes two are symmetrically arranged with respect to the center of the cover plate.

[0009] As a further improvement of the above solution, three connecting blocks are provided, and the three connecting blocks are symmetrically arranged around the center of the bottom plate; three fixing grooves are provided, and the three fixing grooves are symmetrically arranged around the center of the bottom plate.

[0010] Through the above technical solution, the side panels can be easily disassembled by loosening the bolts to facilitate later repair and maintenance.

[0011] As a further improvement of the above scheme, the left and right shock absorbing mechanisms include sleeves, the ends of the sleeves close to each other are fixedly connected to limit plate one, the ends of the sleeves close to each other are fixedly connected to limit plate two, the inner wall of the sleeve is fixedly connected to spring one, the end of the spring one away from the inner wall of the sleeve is fixedly connected to a spring cover plate, a limiting hole is opened on the guardrail, and the spring cover plate is sleeved inside the limiting hole.

[0012] As a further improvement of the above scheme, several sleeves are opened, and several of the sleeves are symmetrically arranged with limit plate one and limit plate two as the center; several springs are opened, and several of the springs are symmetrically arranged with limit plate two and limit plate one as the center; several spring covers are opened, and several of the spring covers are symmetrically arranged with limit plate one and limit plate two as the center; several limiting holes are opened, and several of the limiting holes are symmetrically arranged with limit plate one and limit plate two as the center.

[0013] Through the above technical solution, the spring cover is squeezed inwardly through the guardrail limiting hole and then the spring is squeezed, so as to achieve the squeezing and shock-absorbing effect of the left guardrail and the right guardrail.

[0014] As a further improvement of the above scheme, the upper and lower shock absorbing mechanisms include a slide groove, which is opened on the bottom plate. A slider is slidably connected inside the slide groove. A spring 2 is fixedly connected to the top of the slider. The top of the spring 2 is fixedly connected to the bottom of the guardrail.

[0015] As a further improvement of the above scheme, several slide grooves are opened, and several of the slide grooves are symmetrically arranged with the limit plate 2 as the center, several sliders are opened, and several of the sliders are symmetrically arranged with the limit plate 2 as the center, and several springs 2 are opened, and several of the springs 2 are symmetrically arranged with the limit plate 2 as the center.

[0016] Through the above technical solution, when the guardrail is vibrated, it can move forward and backward and reduce shock up and down.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] The utility model can disengage the bolt 2 by adjusting the bolt 2, and then the guardrail can be spliced ​​and installed, and the bolt 1 can be disengaged by adjusting the bolt 1, so that the side plate can be pulled out from the bottom plate and the cover plate, so that the side plate can be removed to repair the interior.

[0019] When the utility model squeezes the guardrail by external force, the guardrail squeezes the spring cover plate inward, so that the spring cover plate squeezes the internal spring, and the reaction force of the spring squeezes the limit plate, thereby producing a shock absorbing effect on the left and right sides, and the top cover plate and the guardrail gap of the cover plate can effectively prevent the guardrail from detaching.

[0020] When the utility model squeezes the guardrail by external force, the bottom of the guardrail is fixedly connected to the top of the second spring, so that when the guardrail has a downward force, a shock-absorbing effect can be achieved, and a sliding block is fixedly connected to the bottom of the second spring, so that when the guardrail is impacted from below, it can move forward and backward for buffering, and the guardrail can return to its original position without falling off. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the overall cross-sectional structure of the utility model

[0023] Figure 3 This is a schematic diagram of the cover structure of the utility model

[0024] Figure 4 This is a schematic diagram of the structure of the left and right shock absorbing mechanism of the utility model

[0025] Figure 5 This is a schematic diagram of the structure of the upper and lower shock absorbing mechanism of the utility model

[0026] Description of main symbols:

[0027] 1. Main body; 101. Cover plate; 102. Threaded hole one; 103. Limit plate one; 104. Side plate; 105. Threaded hole two; 106. Bottom plate; 107. Limit plate two; 108. Connecting block; 109. Fixing slot; 110. Bolt one; 111. Bolt two; 112. Guardrail; 113. Threaded hole three; 2. Left and right shock absorbing mechanisms; 201. Sleeve; 202. Spring one; 203. Spring cover plate; 204. Limiting hole; 3. Upper and lower shock absorbing mechanisms; 301. Slide slot; 302. Slider; 303. Spring two. DETAILED DESCRIPTION

[0028] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0029] Example:

[0030] Please combine Figure 1-5 , a seismic-resistant bridge steel structure guardrail of this embodiment includes a main body mechanism 1, left and right shock absorbing mechanisms 2 and upper and lower shock absorbing mechanisms 3, wherein the left and right shock absorbing mechanisms 2 are located inside the main body mechanism 1, and the upper and lower shock absorbing mechanisms 3 are located inside the main body mechanism 1;

[0031] The main body mechanism 1 includes a cover plate 101, a threaded hole 102 is opened on the cover plate 101, a limit plate 103 is fixedly connected to the bottom of the cover plate 101, side plates 104 are provided in contact with the left and right sides of the cover plate 101, a threaded hole 105 is opened on the side plate 104, a bottom plate 106 is designed to be in contact with the bottom of the side plate 104, the cover plate 101 and the side plate 104 are threadedly connected by bolts 111, the top of the bottom plate 106 is fixedly connected to the limit plate 107, the bottom plate 106 is fixedly connected to a connecting block 108, a fixing groove 109 is opened at the bottom of the bottom plate 106, a guardrail 112 is provided in contact with the bottom plate 106, and a bolt 110 is threadedly connected to the top of the connecting block 108.

[0032] There are two threaded holes 102 , which are symmetrically designed around the center of the cover plate 101 ; there are two side plates 104 , which are symmetrically arranged around the center of the cover plate 101 ; there are four threaded holes 105 , which are symmetrically arranged around the center of the cover plate 101 .

[0033] There are three connection blocks 108 symmetrically arranged around the center of the bottom plate 106 . There are three fixing grooves 109 symmetrically arranged around the center of the bottom plate 106 .

[0034] The left and right shock absorbing mechanisms 2 include a sleeve 201, one end of the sleeve 201 close to each other is fixedly connected to the limit plate 103, and the other end of the sleeve 201 close to each other is fixedly connected to the limit plate 2 107. The inner wall of the sleeve 201 is fixedly connected to a spring 1 202, and the end of the spring 1 202 away from the inner wall of the sleeve is fixedly connected to a spring cover plate 203. A limit hole 204 is provided on the guardrail 112, and the spring cover plate 203 is sleeved inside the limit hole 204.

[0035] Several sleeves 201 are opened, and several sleeves 201 are symmetrically arranged with limit plate 103 and limit plate 2 107 as the center; several springs 202 are opened, and several springs 202 are symmetrically arranged with limit plate 2 107 and limit plate 1 103 as the center; several spring covers 203 are opened, and several spring covers 203 are symmetrically arranged with limit plate 1 103 and limit plate 2 107 as the center; several limiting holes 204 are opened, and several limiting holes 204 are symmetrically arranged with limit plate 1 103 and limit plate 2 107 as the center.

[0036] The upper and lower shock absorbing mechanism 3 includes a slide groove 301, which is opened on the bottom plate 106. A slider 302 is slidably connected inside the slide groove 301. A spring 2 303 is fixedly connected to the top of the slider 302. The top of the spring 2 303 is fixedly connected to the bottom of the guardrail 112.

[0037] There are several slide grooves 301, and the several slide grooves 301 are symmetrically arranged with the limit plate 107 as the center. There are several sliders 302, and the several sliders 302 are symmetrically arranged with the limit plate 107 as the center. There are several springs 303, and the several springs 303 are symmetrically arranged with the limit plate 107 as the center.

[0038] The implementation principle of a seismic bridge steel structure guardrail in the embodiment of the present application is as follows: when in use, the utility model can disengage bolt 2 by adjusting bolt 2, and then the guardrail can be spliced ​​and installed, and can disengage bolt 1 by adjusting bolt 1, so that the side plate can be pulled out from the bottom plate and pulled out from the cover plate, so that the side plate can be removed for internal maintenance. When the guardrail is squeezed by external force, the guardrail squeezes the spring cover plate inward, so that the spring cover plate squeezes the internal spring, and the reaction force of the spring squeezes the limit plate 1, thereby producing a shock-absorbing effect on the left and right sides, and the top cover plate and the guardrail gap of the cover plate can effectively prevent the guardrail from being separated. When the guardrail is squeezed by external force, the bottom of the guardrail is fixedly connected to the top of the second spring, so that the guardrail can achieve a shock-absorbing effect when there is a downward force, and the bottom of the second spring is fixedly connected with a slider, so that the guardrail can move forward and backward for buffering when it is impacted from below, and the guardrail can return to its original position without being separated.

[0039] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A seismic-resistant bridge steel structure guardrail, characterized in that: It comprises a main body mechanism (1), left and right shock absorbing mechanisms (2) and upper and lower shock absorbing mechanisms (3), wherein the left and right shock absorbing mechanisms (2) are located inside the main body mechanism (1), and the upper and lower shock absorbing mechanisms (3) are located inside the main body mechanism (1); The main body mechanism (1) comprises a cover plate (101), a threaded hole (102) is provided on the cover plate (101), a limit plate (103) is fixedly connected to the bottom of the cover plate (101), side plates (104) are provided on the left and right sides of the cover plate (101) in contact, a threaded hole (105) is provided on the side plate (104), a bottom plate (106) is provided in contact with the bottom of the side plate (104), the cover plate (101) and the side plate (104) are threadedly connected via a second bolt (111), the top of the bottom plate (106) is fixedly connected to the limit plate (107), the bottom plate (106) is fixedly connected to a connection block (108), a fixing groove (109) is provided at the bottom of the bottom plate (106), a guardrail (112) is provided in contact with the bottom plate (106), and a bolt (110) is threadedly connected to the top of the connection block (108).

2. The seismic-resistant steel bridge guardrail according to claim 1, characterized in that: There are two threaded holes one (102), and the two threaded holes one (102) are designed to be symmetrical about the center of the cover plate (101); there are two side plates (104), and the two side plates (104) are arranged symmetrically about the center of the cover plate (101); there are four threaded holes two (105), and the four threaded holes two (105) are arranged symmetrically about the center of the cover plate (101).

3. The seismic-resistant steel bridge guardrail according to claim 1, characterized in that: Three connecting blocks (108) are provided, and the three connecting blocks (108) are symmetrically arranged around the center of the bottom plate (106); three fixing grooves (109) are provided, and the three fixing grooves (109) are symmetrically arranged around the center of the bottom plate (106).

4. The seismic-resistant steel bridge guardrail according to claim 1, characterized in that: The left and right shock absorbing mechanisms (2) comprise sleeves (201), the ends of the sleeves (201) close to each other are fixedly connected to the first limiting plate (103), the ends of the sleeves (201) close to each other are fixedly connected to the second limiting plate (107), the inner wall of the sleeve (201) is fixedly connected to the first spring (202), the end of the spring (202) away from the inner wall of the sleeve is fixedly connected to the spring cover plate (203), the guardrail (112) is provided with a limiting hole (204), and the spring cover plate (203) is sleeved inside the limiting hole (204).

5. The seismic-resistant steel structure bridge guardrail according to claim 4, characterized in that; A plurality of sleeves (201) are provided, and the plurality of sleeves (201) are symmetrically arranged with the limiting plate 1 (103) and the limiting plate 2 (107) as the center; a plurality of springs (202) are provided, and the plurality of springs (202) are symmetrically arranged with the limiting plate 2 (107) and the limiting plate 1 (103) as the center; a plurality of spring cover plates (203) are provided, and the plurality of spring cover plates (203) are symmetrically arranged with the limiting plate 1 (103) and the limiting plate 2 (107) as the center; a plurality of limiting holes (204) are provided, and the plurality of limiting holes (204) are symmetrically arranged with the limiting plate 1 (103) and the limiting plate 2 (107) as the center.

6. The seismic-resistant steel structure bridge guardrail according to claim 1, characterized in that; The upper and lower shock absorbing mechanism (3) comprises a slide groove (301), the slide groove (301) is provided on the bottom plate (106), a slider (302) is slidably connected inside the slide groove (301), a spring 2 (303) is fixedly connected to the top of the slider (302), and the top of the spring 2 (303) is fixedly connected to the bottom of the guardrail (112).

7. The seismic-resistant steel structure bridge guardrail according to claim 6, characterized in that; A plurality of the slide grooves (301) are provided, and the plurality of the slide grooves (301) are symmetrically arranged with the second limiting plate (107) as the center; a plurality of the slide blocks (302) are provided, and the plurality of the slide blocks (302) are symmetrically arranged with the second limiting plate (107) as the center; a plurality of the second springs (303) are provided, and the plurality of the second springs (303) are symmetrically arranged with the second limiting plate (107) as the center.

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