Steel bridge plate connecting component

Abstract

The utility model relates to the technical field of steel structure connecting components, in particular to a steel bridge plate connecting component which comprises a left bridge plate and a right bridge plate which are in butt joint with each other, a joint is formed at the butt joint position of the left bridge plate and the right bridge plate, an upper connecting unit is arranged above the joint, and a lower connecting unit is arranged above the upper connecting unit. The lower ends of the left side and the right side of the upper connecting unit extend to the position below the left bridge plate and the position below the right bridge plate respectively, a left angle iron base and a right angle iron base are fixedly welded to the positions, on the lower portion of a joint, of the bottom of the left bridge plate and the bottom of the right bridge plate respectively, and the left angle iron base and the right angle iron base are fixedly connected through a lower connecting unit in a bolting mode. When the bridge plate connecting component of the steel bridge is used for connecting a left bridge plate and a right bridge plate which are adjacent to each other, butt joint nodes can be reduced, only the end parts of the left bridge plate and the right bridge plate are spliced and matched, and meanwhile, multi-stage connection and reinforcement are completed through the upper connecting unit and the lower connecting unit, so that the firmness of the connecting part of the whole bridge plate under the working condition of large bearing load is effectively ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel structure connecting component technical field especially a kind of steel bridge deck connecting component. BACKGROUND

[0002] Steel bridge deck is important structural component for bridge construction, usually made of steel, with specific thickness and design to support the weight of vehicles and pedestrians.

[0003] When the steel bridge design length span is larger, multiple bridge decks need to be connected to each other to lengthen the length, and the traditional steel bridge decks are usually connected by welding, bolt connection and rivet connection, etc. Since bolt connection is convenient to install, especially suitable for on-site installation and other scenarios, it is widely used in actual construction.

[0004] After searching, a new bridge deck structure is disclosed in patent application No. CN202322064049.0, which discloses a new bridge deck connection method. The main structure includes a No. 1 bridge deck, a No. 2 bridge deck and a middle bridge deck connecting mechanism. It mainly uses the middle bridge deck connecting mechanism to complete the insertion with the No. 1 bridge deck and the No. 2 bridge deck on both sides, and is fixed by bolting.

[0005] However, in this connection method, the end of the No. 1 bridge deck and the No. 2 bridge deck does not have a direct lap joint, and the main bearing capacity is concentrated on the splicing connecting plate of the bridge deck connecting mechanism, causing the two ends of the splicing connecting plate to have stress bearing nodes. The abutting ends of every two adjacent bridge decks need to be lap jointed on both sides. When the large-span bridge deck bears large load, the node vibration or cracking may occur due to the large number of lap joint nodes, which has a large safety risk.

[0006] Therefore, the utility model optimizes the design of the bridge deck connection part lap joint in the prior art, and proposes a steel bridge deck connecting component to better solve the problems in the prior art. INVENTION CONTENTS

[0007] To solve one of the above technical problems, the technical solution adopted is: a steel bridge deck connecting component, including left bridge deck and right bridge deck which are mutually abutted, the abutted parts of the left bridge deck and the right bridge deck form a joint, an upper connecting unit is arranged above the joint, the lower ends of the left and right sides of the upper connecting unit respectively extend below the left bridge deck and the right bridge deck, left angle steel seats and right angle steel seats are respectively fixed and welded on the bottoms of the left bridge deck and the right bridge deck at the lower part of the joint, the left angle steel seat and the right angle steel seat are fixed and connected by a lower connecting unit, and the left and right ends of the lower connecting unit are respectively connected to the corresponding lower ends of the upper connecting unit.

[0008] Preferably in any of the above solutions, the lower connecting unit comprises a horizontally arranged double-end stud, two ends of the double-end stud are respectively screwed through threaded holes in the left gusset base and the right gusset base at corresponding positions and are respectively connected with end nuts at corresponding positions, the end nut on the left side abuts against the outer side wall of the left gusset base, the end nut on the right side abuts against the outer side wall of the right gusset base, an end part anti-coming-off piece is integrally formed at each end of the double-end stud, and each end part anti-coming-off piece is used for clamping the corresponding lower end of the upper connecting unit at the corresponding position.

[0009] Preferably in any of the above solutions, the end part anti-coming-off piece comprises an anti-coming-off U-shaped frame integrally formed at the end of the double-end stud, and the anti-coming-off U-shaped frame is internally provided with an anti-coming-off U-shaped clamping groove.

[0010] Preferably in any of the above solutions, the upper connecting unit comprises a high-strength connecting plate base horizontally mounted at the top of the joint, vertical bolts are respectively screwed in through holes at the left and right sides of the high-strength connecting plate base, lower ends of the vertical bolts are movably penetrated through the lower parts of the left gusset base and the right gusset base and continue to penetrate through the anti-coming-off U-shaped clamping groove at the corresponding position, first nuts are respectively screwed on the outer side walls of the lower part external thread segments of the vertical bolts, the outer side wall planes of the first nuts abut against the inner side walls of the anti-coming-off U-shaped clamping groove, and the anti-coming-off U-shaped clamping groove is used for anti-rotation limiting of the first nuts.

[0011] Preferably in any of the above solutions, constraint tubes are respectively fixedly welded at the top of the through holes at the left and right sides of the high-strength connecting plate base, a multi-prism cavity for anti-rotation limiting of the upper end of the vertical bolt is arranged inside the constraint tube and sleeved on the outside of the nut part of the vertical bolt.

[0012] Preferably in any of the above solutions, a positioning column is arranged at the top of each end nut, the top of the positioning column is fixed to the horizontal part of the left gusset base or the horizontal part of the right gusset base at the corresponding position, a abutting spring is sleeved on the outer side wall of each positioning column, and an abutting disc is fixed at the bottom of the abutting spring, the bottom of the abutting disc abuts against the top outer side wall plane of the end nut at the corresponding position and is used for preventing rotation of the end nut.

[0013] Preferably in any of the above solutions, a clamping groove is arranged on the right end face of the left bridge plate, a protruding part in clamping groove clamping cooperation is arranged on the left end face of the right bridge plate, and the right end face of the left bridge plate abuts against the left end face of the right bridge plate.

[0014] Compared with the prior art, the utility model have the advantages that:

[0015] 1、The steel bridge deck connecting component newly designed in the utility model can reduce the butt joint when connecting the left bridge deck and the right bridge deck, and can be connected and reinforced by only relying on the plug-in cooperation of the end of the left bridge deck and the right bridge deck, and can effectively ensure the firmness of the whole bridge deck connecting part under the large bearing load working condition.

[0016] 2、When the bridge deck is connected, the upper part of the upper connecting unit is connected to the lower part through the constraint tube to realize the upper part constraint and anti-disengagement, and the lower part is connected to the lower connecting unit to realize the anti-rotation and limiting, effectively realizing the simultaneous anti-disengagement and limiting of the upper and lower parts, further ensuring the stability of the whole upper connecting unit after installation, and effectively coping with the vibration working condition.

[0017] 3、The lower connecting unit itself is used as an anti-disengagement driving part for limiting the upper connecting unit, and can also realize passive anti-disengagement limiting under the action of the abutting spring and the abutting disc, effectively ensuring the stability after installation. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the specific embodiments of the utility model or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. In all the drawings, similar elements or components are generally indicated by similar reference numerals. In the drawings, the elements or components are not necessarily drawn according to the actual proportion.

[0019] Figure 1 It is a connection structure schematic view of the utility model.

[0020] Figure 2 It is a top view structure schematic view of the high-strength connecting plate seat of the utility model.

[0021] Figure 3 It is a top view structure schematic view of the double-end stud of the utility model.

[0022] Figure 4 It is a left bridge deck and right bridge deck cooperation process display structure schematic view of the utility model.

[0023] In the drawings, 1 is a left bridge deck, 2 is a right bridge deck, 3 is a joint, 4 is a left angle steel seat, 5 is a right angle steel seat, 6 is a double-end stud, 601 is an anti-disengagement U-shaped frame, 602 is an anti-disengagement U-shaped slot, 7 is an end nut, 8 is a vertical bolt, 801 is a nut part, 9 is a first nut, 10 is a clamping groove, 11 is a protruding part, 12 is a constraint tube, 13 is a multi-prism cavity, 14 is a positioning column, 15 is an abutting spring, 16 is an abutting disc, and 17 is a high-strength connecting plate seat. DETAILED DESCRIPTION

[0024] The embodiments of the technical scheme of the utility model will be described in detail below with reference to the drawings. The following embodiments are only used to more clearly illustrate the technical scheme of the utility model, therefore only as an example, and cannot limit the protection scope of the utility model. The specific structure of the utility model is shown in Figures 1-4 The drawings.

[0025] Embodiment 1: a steel bridge deck connecting component, comprising mutually butting left bridge deck 1, right bridge deck 2, the butt joint part of left bridge deck 1 and right bridge deck 2 forms joint 3, and the upper connecting unit is arranged above joint 3, and the lower end of the left and right sides of the upper connecting unit respectively extends to the lower side of left bridge deck 1 and the lower side of right bridge deck 2, and the bottom of left bridge deck 1 and right bridge deck 2 at the lower part of joint 3 is respectively fixedly welded with left angle steel seat 4 and right angle steel seat 5, and left angle steel seat 4 and right angle steel seat 5 are connected by the lower connecting unit, and the left and right ends of the lower connecting unit are respectively connected to the corresponding lower end of the upper connecting unit.

[0026] In any of the above schemes, preferably, the lower connecting unit comprises a horizontally arranged double-headed stud 6, the two ends of the double-headed stud 6 are respectively screwed through the threaded holes in the corresponding positions of the left angle steel seat 4 and the right angle steel seat 5 and are respectively screwed and connected with the end nuts 7 in the corresponding positions thereof, the end nut 7 on the left side is tightly pressed against the outer side wall of the left angle steel seat 4, the end nut 7 on the right side is tightly pressed against the outer side wall of the right angle steel seat 5, an end part anti-coming-off piece is integrally formed at the left and right ends of the double-headed stud 6, and each end part anti-coming-off piece is used for clamping the corresponding lower end of the upper connecting unit in the corresponding position thereof.

[0027] Specifically, the lower connecting unit directly passes through the corresponding left angle steel seat 4 and right angle steel seat 5 by means of the double-headed stud 6 during installation, and then the end nuts 7 are screwed and locked at the two ends of the double-headed stud 6, and after the installation of the end nuts 7 is completed, the double-headed stud 6 is adjusted so that the end part anti-coming-off pieces thereon remain in the correct installation position, so as to facilitate the subsequent limiting of the upper connecting unit.

[0028] In any of the above schemes, preferably, the end part anti-coming-off piece comprises an anti-coming-off U-shaped frame 601 integrally formed at the end of the double-headed stud 6, and the inside of the anti-coming-off U-shaped frame 601 is provided with an anti-coming-off U-shaped clamping groove 602.

[0029] During installation, the anti-coming-off U-shaped clamping groove 602 of the end part anti-coming-off piece is kept in a horizontal state, and during the installation of the upper connecting unit, the first nut 9 is first placed in the anti-coming-off U-shaped clamping groove 602 and is positioned by hand, and then the vertical bolt 8 is installed, so that the threaded section of the lower end of the vertical bolt 8 is screwed through the threaded hole of the current first nut 9, and finally locked.

[0030] Preferably in any of the above solutions, the upper connecting unit comprises a high-strength connecting plate base 17 horizontally mounted on the top of the joint 3, vertical bolts 8 are respectively screwed in the through holes on the left and right sides of the high-strength connecting plate base 17, the lower ends of the vertical bolts 8 pass through the lower part of the corresponding left angle steel base 4 and right angle steel base 5 and continue to pass through the anti-escape U-shaped slot 602 at the corresponding position, the first nut 9 is respectively screwed on the outer side wall of the lower part of the vertical bolt 8, the outer side wall of the first nut 9 abuts on the inner side wall of the anti-escape U-shaped slot 602, and the anti-escape U-shaped slot 602 is used to limit the rotation of the first nut 9.

[0031] When the upper connecting unit is installed, the first nut 9 is placed in the anti-escape U-shaped slot 602 and is assisted by hand to position, then the vertical bolt 8 at the upper part is installed, so that the threaded segment of the lower end of the vertical bolt 8 is screwed through the threaded hole of the current first nut 9, and finally locked, the installation of the vertical bolts 8 on both sides is completed in turn, then the high-strength connecting plate base 17 is pressed downward so that the multi-prism cavity 13 in the corresponding two constraint tubes 12 is fitted on the outer side wall of the multi-prism-shaped nut part 801 of the current vertical bolt 8, thereby achieving the purpose of anti-escape limiting, and after the installation is completed, the high-strength connecting plate base 17 is directly welded on the top of the left bridge plate 1 and the right bridge plate 2 by welding.

[0032] Preferably in any of the above solutions, the right end face of the left bridge plate 1 is provided with a clamping groove 10, the left end face of the right bridge plate 2 is provided with a protruding part 11 matched with the clamping groove 10, and the right end face of the left bridge plate 1 abuts tightly with the left end face of the right bridge plate 2.

[0033] The clamping butt joint between the left bridge plate 1 and the right bridge plate 2 can effectively ensure sufficient contact of the connecting part, and directly in the form of single-sided joint 3 reduces the disadvantages of multiple connecting joint 3 nodes in the connecting part caused by the intermediate transition connecting piece in the prior art, effectively ensuring the strength and effect of the connection.

[0034] Embodiment 2: a steel bridge deck connecting member, comprising a left deck 1 and a right deck 2 which are butted against each other, a joint 3 is formed at the butting position of the left deck 1 and the right deck 2, an upper connecting unit is arranged above the joint 3, the lower ends of the left and right sides of the upper connecting unit respectively extend to the lower side of the left deck 1 and the lower side of the right deck 2, a left angle steel seat 4 and a right angle steel seat 5 are respectively fixed and welded at the bottom of the left deck 1 and the right deck 2 at the lower part of the joint 3, the left angle steel seat 4 and the right angle steel seat 5 are connected and fixed by a lower connecting unit, and the left and right ends of the lower connecting unit are respectively connected to the corresponding lower end of the upper connecting unit. It should be noted that when the entire steel bridge deck structure is installed, the lower connecting unit is installed first, then the upper connecting unit is installed, then the high-strength connecting plate seat 17 is installed, and finally the high-strength connecting plate seat 17 is welded around the top of the corresponding left deck 1 and right deck 2, thereby completing the stable positioning of the entire structure.

[0035] When the entire structure is installed in place, the upper part and the lower part of the upper connecting unit are both rotationally limited, so the stability of the upper connecting unit can be ensured. In addition, because the two ends of the lower connecting unit are abutted by the abutting spring 15, the abutting of the two ends of the lower connecting unit can also be limited, so as to achieve the purpose of multi-directional connection and multi-point limiting, thereby effectively ensuring the stability of the entire connecting member.

[0036] In any of the above schemes, preferably, the lower connecting unit comprises a horizontally arranged double-headed stud 6, the two ends of the double-headed stud 6 are respectively screwed through the threaded holes in the corresponding positions of the left angle steel seat 4 and the right angle steel seat 5 and are respectively screwed and connected with the end nuts 7 in the corresponding positions thereof, the end nut 7 on the left side is abutted against the outer side wall of the left angle steel seat 4, and the end nut 7 on the right side is abutted against the outer side wall of the right angle steel seat 5, an end anti-coming-off piece is integrally formed at the left and right ends of the double-headed stud 6, and each end anti-coming-off piece is used for clamping the corresponding lower end of the upper connecting unit in the corresponding position thereof. Specifically, when the lower connecting unit is installed, the double-headed stud 6 directly penetrates through the corresponding left angle steel seat 4 and right angle steel seat 5, and then the end nuts 7 are screwed and locked at the two ends of the double-headed stud 6. After the end nuts 7 are installed, the double-headed stud 6 is adjusted so that the end anti-coming-off pieces thereon remain in the correct installation position, so as to facilitate the subsequent limiting of the upper connecting unit.

[0037] Preferably in any of the above solutions, the end anti-off piece comprises an anti-off U-shaped frame 601, and an anti-off U-shaped clamping groove 602 is arranged inside the anti-off U-shaped frame 601. During installation, the anti-off U-shaped clamping groove 602 of the end anti-off piece is kept in a horizontal state, and the first nut 9 is directly placed in the anti-off U-shaped clamping groove 602 and is positioned by hand, and then the vertical bolt 8 is installed, so that the threaded section of the lower end of the vertical bolt 8 is screwed through the threaded hole of the current first nut 9, and finally locked.

[0038] Preferably in any of the above solutions, the upper connecting unit comprises a high-strength connecting plate seat 17 horizontally installed on the top of the joint 3, vertical bolts 8 are respectively screwed in the through holes on the left and right sides of the high-strength connecting plate seat 17, the lower ends of the vertical bolts 8 are movably inserted out of the lower sides of the corresponding left angle steel seat 4 and right angle steel seat 5 and continue to pass through the anti-off U-shaped clamping groove 602 at the corresponding position, first nuts 9 are respectively screwed on the outer side walls of the lower threaded sections of the vertical bolts 8, the outer side walls of the first nuts 9 abut on the inner side walls of the anti-off U-shaped clamping groove 602, and the anti-off U-shaped clamping groove 602 is used for anti-rotation limiting of the first nut 9. During installation of the upper connecting unit, the first nut 9 is placed in the anti-off U-shaped clamping groove 602 and is positioned by hand, and then the vertical bolt 8 is installed, so that the threaded section of the lower end of the vertical bolt 8 is screwed through the threaded hole of the current first nut 9, and finally locked, and the installation of the vertical bolts 8 on both sides is sequentially completed, and then the high-strength connecting plate seat 17 is pressed downward so that the polygonal cavities 13 in the corresponding two constraint tubes 12 are fitted on the outer side walls of the polygonal cap sections 801 of the current vertical bolts 8, thereby achieving the purpose of anti-off limiting, and after installation, the high-strength connecting plate seat 17 is directly welded on the top of the left bridge plate 1 and the right bridge plate 2 by welding.

[0039] Preferably in any of the above solutions, the constraint tubes 12 are fixedly welded on the top of the through holes on the left and right sides of the high-strength connecting plate seat 17, and polygonal cavities 13 are arranged inside the constraint tubes 12 and are fitted on the outer sides of the cap sections 801 of the vertical bolts 8, and the polygonal cavities 13 are used for anti-rotation limiting of the upper ends of the vertical bolts 8. The fitting of the polygonal cavities 13 and the cap sections 801 of the vertical bolts 8 can effectively prevent the rotation of the entire vertical bolt 8 and achieve the purpose of anti-off limiting.

[0040] In any of the above schemes, preferably, a positioning column 14 is arranged on the top of each of the end nuts 7, the top of the positioning column 14 is fixed to the horizontal section of the left gusset 4 or the horizontal section of the right gusset 5 at the corresponding position, a pressing spring 15 is sleeved on the outer sidewall of each of the positioning columns 14, a pressing disc 16 is fixed to the bottom of the pressing spring 15, the bottom of the pressing disc 16 is pressed against the top outer sidewall plane of the end nut 7 at the corresponding position and is used to prevent the end nut 7 from rotating. When the end nut 7 is installed, the corresponding pressing spring 15 is pressed and installed and the upper end thereof is directly sleeved on the outer sidewall of the positioning column 14 to achieve circumferential limiting, the bottom of the pressing spring 15 is pressed against the top plane of the end nut 7 through the pressing disc 16, and finally the anti-rotation limiting of the end nut 7 is realized by the pressing force of the pressing spring 15.

[0041] In any of the above schemes, preferably, a clamping groove 10 is arranged on the right end face of the left bridge plate 1, a protruding part 11 that is clamped and matched with the clamping groove 10 is arranged on the left end face of the right bridge plate 2, and the right end face of the left bridge plate 1 is clamped and matched with the left end face of the right bridge plate 2. The clamping and abutting connection between the left bridge plate 1 and the right bridge plate 2 can effectively ensure sufficient contact of the connection part, and directly in the form of single-sided seam 3 reduces the disadvantages of multiple connection seam 3 nodes in the connection part caused by the intermediate transition connecting piece in the prior art, effectively ensuring the strength and effect of the connection.

[0042] Specific installation process: when the entire steel bridge plate structure is installed, the lower connecting unit is installed first, then the upper connecting unit is installed, and then the high-strength connecting plate seat 17 is installed.

[0043] Finally, the high-strength connecting plate seat 17 is welded around the top of the corresponding left bridge plate 1 and right bridge plate 2, thereby completing the stable positioning of the entire structure. After the entire structure is installed in place, the upper part and the lower part of the upper connecting unit are both anti-rotation limited, so the stability of the upper connecting unit can be ensured.

[0044] In addition, since the two ends of the lower connecting unit are both pressed by the pressing spring 15, limiting can also be achieved, and the purpose of multi-directional connection and multi-point limiting is finally achieved, thereby effectively ensuring the stability of the entire connecting member.

[0045] In conclusion, the steel bridge deck connecting member can reduce the butt joint when connecting the left bridge deck 1 and the right bridge deck 2, and only depends on the insertion of the end of the left bridge deck 1 and the right bridge deck 2, and meanwhile, the multi-stage connection and reinforcement are completed through the upper connecting unit and the lower connecting unit, so that the firmness of the whole bridge deck connecting part under the large bearing load working condition is effectively ensured; when the bridge deck is connected, the upper part of the upper connecting unit is limited and prevented from being separated through the constraint tube 12, and the lower part is prevented from rotating and limited through the lower connecting unit, so that the simultaneous separation prevention and limitation of the upper and lower parts is effectively realized, the stability of the whole upper connecting unit after installation is further ensured, and the vibration working condition is effectively coped with; the lower connecting unit is used as the separation prevention driving part, is used for limiting the upper connecting unit, and meanwhile, the lower connecting unit can be passively prevented from being separated and limited under the action of the abutting spring 15 and the abutting disc 16, so that the stability after installation is effectively ensured.

[0046] The above embodiments are only used to illustrate the technical solutions of the present application, but not limit the present application; although the present application is described in detail with reference to the above embodiments, it should be understood by those skilled in the art that the technical solutions recorded in the above embodiments can be modified, or some or all of the technical features can be replaced equivalently; the modification or replacement does not make the essence of the corresponding technical solution deviate from the scope of the technical solutions of the embodiments of the present application; any alternative improvement or change made by those skilled in the art to the embodiments of the present application falls within the protection scope of the present application.

[0047] The not detailed parts of the present application are the known technology of those skilled in the art.

Claims

1. A steel bridge deck joint member characterized by: The left and right bridge plates are mutually butted, the butt joint parts of the left and right bridge plates form a joint, an upper connecting unit is arranged above the joint, the lower ends of the left and right sides of the upper connecting unit respectively extend below the left and right bridge plates, the bottom parts of the left and right bridge plates at the lower part of the joint are respectively fixedly welded with left and right angle steel seats, the left and right angle steel seats are fixedly connected through a lower connecting unit, and the left and right ends of the lower connecting unit are respectively connected to the corresponding lower ends of the upper connecting unit.

2. A steel bridge deck joint member according to claim 1, characterized in that: The lower connecting unit comprises horizontally arranged double-end studs, the two ends of the double-end studs are respectively screwed through the threaded holes in the corresponding positions of the left and right angle steel seats and are respectively screwed with end nuts in the corresponding positions, the end nut on the left side abuts against the outer side wall of the left angle steel seat, the end nut on the right side abuts against the outer side wall of the right angle steel seat, end part anti-coming-off pieces are integrally formed at the left and right ends of the double-end studs, and the end part anti-coming-off pieces are respectively used for clamping the corresponding lower ends of the upper connecting unit in the corresponding positions.

3. A steel bridge deck joint member according to claim 2, characterised in that: The end part anti-coming-off piece comprises an anti-coming-off U-shaped frame integrally formed at the end of the double-end stud, and an anti-coming-off U-shaped clamping groove is arranged in the inside of the anti-coming-off U-shaped frame.

4. A steel bridge deck joint member according to claim 3, wherein: The upper connecting unit comprises a high-strength connecting plate seat horizontally mounted at the top of the joint, vertical bolts are respectively screwed in the through holes at the left and right sides of the high-strength connecting plate seat, the lower ends of the vertical bolts are movably penetrated below the corresponding left and right angle steel seats and continue to penetrate through the anti-coming-off U-shaped clamping groove in the corresponding position, first nuts are respectively screwed on the outer side walls of the lower part external thread segments of the vertical bolts, the outer side wall planes of the first nuts abut against the inner side walls of the anti-coming-off U-shaped clamping groove, and the anti-coming-off U-shaped clamping groove is used for anti-rotation limiting of the first nuts.

5. A steel bridge deck joint member according to claim 4, wherein: Restraining tubes are fixedly welded at the top of the through holes at the left and right sides of the high-strength connecting plate seat, a multi-prism cavity for anti-rotation limiting of the upper end of the vertical bolt is arranged in the inside of the restraining tube and sleeved on the outside of the nut part of the vertical bolt.

6. A steel bridge deck joint member according to claim 5, wherein: Positioning columns are arranged at the top of each end nut, the top parts of the positioning columns are fixed to the horizontal sections of the left and right angle steel seats in the corresponding positions, abutting springs are sleeved on the outer side walls of the positioning columns, abutting discs are fixed at the bottom of the abutting springs, the bottom parts of the abutting discs abut against the top outer side wall planes of the end nuts in the corresponding positions and are used for preventing rotation of the end nuts.

7. A steel bridge deck joint member according to claim 6, characterised in that: A clamping groove is arranged on the right end face of the left bridge plate, a protruding part in clamping cooperation with the clamping groove is arranged on the left end face of the right bridge plate, and the right end face of the left bridge plate abuts against the left end face of the right bridge plate.

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