Steel pipe stand column connecting structure

Abstract

The utility model relates to a steel pipe stand column connecting structure and belongs to the technical field of steel pipe connection. The steel pipe stand column connecting structure comprises a diagonal draw bar set and a mounting piece used for mounting the diagonal draw bar set, and the diagonal draw bar set comprises two first diagonal draw bars arranged in parallel and a second diagonal draw bar obliquely arranged between the two first diagonal draw bars. The first diagonal draw bar comprises a connecting rod body and connectors arranged at the two ends of the connecting rod body, the second diagonal draw bar and the first diagonal draw bar are consistent in structure, and the mounting pieces are arranged on the side walls of the two ends of the steel pipe stand column. The effect of improving the structural strength of the steel pipe stand column connecting structure is achieved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of steel pipe connection, in particular to a steel pipe column connection structure. BACKGROUND

[0002] In the long-term use of bridge steel pipe columns, deformation may occur due to various factors. Connecting adjacent two steel pipe columns can form a whole frame structure, maintaining the overall shape and size stability of the structure.

[0003] At present, diagonal bracing is usually used to connect adjacent two steel pipe columns. Diagonal bracing is a commonly used connection structure element, which includes a connecting rod body and connecting heads arranged at both ends of the connecting rod body. In installation, the diagonal bracing is arranged obliquely between two steel pipe columns, and the connecting heads at both ends are fixed with the upper end or lower end of the two steel pipe columns respectively, but the above-mentioned connection structure still needs to improve the structural strength. CONTENT OF THE UTILITY MODEL

[0004] In order to improve the structural strength of the steel pipe column connection structure, the present application provides a steel pipe column connection structure.

[0005] The steel pipe column connection structure provided by the present application adopts the following technical scheme:

[0006] A steel pipe column connection structure includes a diagonal bracing group, the diagonal bracing group includes two parallel arranged first diagonal bracings and a second diagonal bracing obliquely arranged between the two first diagonal bracings, the first diagonal bracing includes a connecting rod body and connecting heads arranged at both ends of the connecting rod body, the second diagonal bracing and the first diagonal bracing are consistent in structure, and the side walls at both ends of the steel pipe column are provided with mounting pieces for connecting the connecting heads.

[0007] By adopting the above technical scheme, the diagonal bracing group includes three diagonal bracings, two first diagonal bracings are arranged horizontally and spaced apart, and the second diagonal bracing is obliquely located between the two first diagonal bracings. The fixing of the diagonal bracing group and the steel pipe column is realized through the mounting piece, so that the whole diagonal bracing group presents a Z shape, the torsional stiffness of the connection structure is increased, external pressure can be effectively dispersed to each diagonal bracing, and the carrying capacity of the whole structure is improved.

[0008] Optionally, the first diagonal bracing further includes an adjusting assembly for adjusting the length of the connecting rod body, the adjusting assembly includes an adjusting sleeve, nut members arranged at both ends of the adjusting sleeve, and an adjusting screw threadedly matched with the nut members, one end of the adjusting screw is connected with the connecting rod body, and the other end is inserted into the adjusting sleeve through the nut member.

[0009] By adopting the technical scheme, the length of the connecting rod body can be adjusted, the cable-stayed rod set can be adapted to steel pipe columns with different intervals, and the adjustment mode is simple, thereby improving the assembly efficiency of the connecting structure.

[0010] Optionally, the two symmetrical sleeve segments of the adjustment sleeve successively include a locking portion, a connecting portion and an expansion portion along the adjustment sleeve axis, the inner diameter of the locking portion is matched with the adjustment screw, and the inner diameter of the expansion portion is larger than that of the locking portion.

[0011] By adopting the technical scheme, the composition of the adjustment sleeve is disclosed, the adjustment sleeve is composed of two symmetrical sleeve segments, the inner diameter of the locking portion is matched with the adjustment screw, the contact area of the adjustment sleeve and the adjustment screw is increased, thereby improving the stability of the sleeve and the adjustment screw, the sleeve size is gradually increased with the deepening of the adjustment screw, the friction and wear of the adjustment screw are reduced, and the service life is prolonged.

[0012] Optionally, a through hole penetrating through the adjustment sleeve is arranged at the connection position of the two expansion portions, and the through hole is perpendicular to the adjustment sleeve axis.

[0013] By adopting the technical scheme, the through hole is arranged, which is helpful to disperse the stress of the sleeve under stress and reduce the damage risk caused by stress concentration.

[0014] Optionally, the mounting member includes two mounting plates arranged at intervals, each of the mounting plates is provided with a locking hole penetrating through the horizontal direction of two side surfaces, the mounting plate is provided with a locking bolt at the locking hole, and the connecting head is provided with a connecting hole corresponding to the locking hole and allowing the locking bolt to pass through.

[0015] By adopting the technical scheme, the locking mode of the connecting head and the mounting member is disclosed, the connecting head is inserted between the two adjacent mounting plates, the locking bolt passes through the mounting plate and the connecting head in sequence, the connecting head and the mounting member are fixed, the fixing mode is simple, and the connection strength is relatively reliable.

[0016] Optionally, the two side walls of the connecting head are attached to the side walls of the mounting plate corresponding to each other.

[0017] By adopting the technical scheme, the contact area of the connecting head and the mounting plate is increased, so that the stability between the cable-stayed rod set and the steel pipe column is further improved after the locking bolt locks the connecting head and the mounting member.

[0018] Optionally, one of the connecting heads is rotatably installed on the connecting rod body, the end portion of the connecting head is provided with a rotating seat, and the connecting rod body is provided with a mounting groove for rotating cooperation of the rotating seat.

[0019] By adopting the technical scheme, the cooperation of the rotating seat and the mounting groove realizes the rotating cooperation of the connecting head and the connecting rod body, so that when the length of the connecting rod body is adjusted by the construction personnel, the connecting head will not rotate synchronously with the connecting rod body.

[0020] Optionally, the end of the connecting rod body is provided with a limiting ring along the axis, and the inner side of the limiting ring is provided with the mounting groove and a limiting groove for limiting the rotating seat from being pulled out.

[0021] By adopting the technical scheme, the limiting groove on the limiting ring can limit the rotating seat, improve the connection stability of the connecting rod body and the connecting head, and reduce the probability of the connecting head being separated from the connecting rod body.

[0022] Optionally, the limiting ring is slidably mounted on the connecting rod body, and the limiting ring is provided with a sliding part on the side away from the mounting groove, and the sliding part is provided with a sliding rod extending towards the axis of the connecting rod body.

[0023] By adopting the technical scheme, the limiting ring is slidably mounted on the connecting rod body through the sliding part, and when the connecting head and the connecting rod body are installed, the two limiting rings are first moved away from the axis of the connecting rod body, then the side wall of the mounting groove of the rotating seat and one of the limiting rings is abutted, and finally the limiting ring is slid to reset, and the rotating seat is limited.

[0024] Optionally, the outer diameter of the sliding part is smaller than the outer diameter of the connecting rod body, the side wall of the connecting rod body is rotatably provided with a locking piece for locking the limiting ring, the locking piece is provided with a fixing hole, the sliding part is provided with a communication hole corresponding to the fixing hole, and when the locking piece is rotated to cover the sliding part, the outer side of the locking piece is flush with the side wall of the connecting rod body, and the locking piece and the connecting rod body are fixed by bolts.

[0025] By adopting the technical scheme, when the cooperation of the rotating seat and the mounting groove is completed, the sliding part is covered by rotating the locking piece, and the locking piece and the connecting rod body are fixed by bolts, so that the locking of the limiting ring and the connecting rod body is realized.

[0026] In summary, the present application has at least one of the following beneficial technical effects:

[0027] 1. The present application increases the torsional stiffness of the connecting structure by arranging three groups of diagonal rods in a Z shape, effectively disperses external pressure to each diagonal rod, and improves the carrying capacity of the entire structure.

[0028] 2. The present application improves the practicability by arranging the adjusting assembly to adapt to steel pipe columns with different spacings.

[0029] 3. The application cooperates the rotating seat and the limiting ring, so that the connecting head can be in a relatively static state when the length is adjusted by the adjusting assembly. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 is a schematic diagram of the overall structure of Example 1.

[0031] Figure 2 is a schematic diagram of the structure of the first inclined pull rod in Example 1.

[0032] Figure 3 is a schematic diagram of the structure of the adjusting assembly in Example 1.

[0033] Figure 4 is a schematic diagram of the cross section of the mounting member and the connecting head after being fixed in Example 1.

[0034] Figure 5 is an exploded cross section schematic diagram of the connecting head and the connecting rod body of Example 2.

[0035] Reference signs: 1, inclined pull rod set; 2, mounting member; 21, mounting plate; 211, locking hole; 22, mounting gap; 23, locking bolt; 3, first inclined pull rod; 31, connecting rod body; 311, sliding insertion hole; 312, compression spring member; 32, connecting head; 321, connecting hole; 322, rotating seat; 33, adjusting assembly; 331, adjusting sleeve; 3311, locking part; 3312, connecting part; 3313, expansion part; 3314, through hole; 332, nut member; 333, adjusting screw; 34, limiting ring; 341, mounting groove; 342, limiting groove; 35, sliding part; 351, sliding rod; 352, communication hole; 36, locking piece; 361, fixing hole; 4, second inclined pull rod. DETAILED DESCRIPTION

[0036] The application will be further described below in conjunction with the accompanying drawings. Figures 1-5 The application will be further described below in conjunction with the accompanying drawings.

[0037] The embodiments of the application disclose a steel pipe stand connecting structure.

[0038] Example 1

[0039] Referring to Figure 1 A steel pipe stand connecting structure comprises an inclined pull rod set 1 and a mounting member 2 for mounting the inclined pull rod set 1. The inclined pull rod set 1 comprises two parallel arranged first inclined pull rods 3 and a second inclined pull rod 4 arranged between the two first inclined pull rods 3. The inclined pull rod set 1 is in a Z shape as a whole, and the structures of the first inclined pull rods 3 and the second inclined pull rod 4 are completely consistent. The mounting member 2 is arranged on the two end side walls of the steel pipe stand,

[0040] Referring to Figure 1 andFigure 2 The first diagonal pull rod 3 is horizontally arranged and includes a connecting rod body 31 and connecting heads 32 fixed at both ends of the connecting rod body 31. The connecting rod body 31 can be a circular column or a rectangular column. In the embodiment, the connecting rod body 31 is a column with a rectangular cross section. The connecting heads 32 are rectangular plates fixed on the connecting rod body 31 by welding. The side of the connecting heads 32 away from the connecting rod body 31 has a circular arc surface to facilitate the installation of the connecting heads 32 and the mounting member 2.

[0041] In combination Figure 3 In order to adjust the length of the connecting rod body 31, an adjusting assembly 33 is further installed on the connecting rod body 31. The adjusting assembly 33 includes an adjusting sleeve 331, nut members 332 fixed at both ends of the adjusting sleeve 331, and an adjusting screw 333 threadedly matched with the nut members 332.

[0042] The adjusting sleeve 331 is open at both ends, and the nut members 332 are welded and fixed at the ends of the adjusting sleeve 331. The nut members 332 and the adjusting sleeve 331 are coaxially arranged. The adjusting sleeve 331 includes two sleeve segments symmetrically along the center, which are integrally formed. The sleeve segments include, in sequence from the end to the center along the axis of the adjusting sleeve 331, a locking portion 3311, a connecting portion 3312, and an expanding portion 3313.

[0043] The inner diameter of the locking portion 3311 is matched with the inner hole of the adjusting screw 333, and the inner diameter of the expanding portion 3313 is larger than that of the adjusting screw 333. The connecting portion 3312 connects the locking portion 3311 and the expanding portion 3313, and the cross section of the connecting portion 3312 in the radial direction of the adjusting sleeve 331 is trapezoidal. The adjusting sleeve 331 further has a through hole 3314 at the symmetry line of the two sleeve segments, which penetrates the side wall of the adjusting sleeve 331, so as to reduce the stress concentration and facilitate the observation of the movement of the adjusting screw 333 by the construction personnel through the through hole 3314.

[0044] Referring to Figure 1 and Figure 4 The mounting member 2 includes two mounting plates 21 welded vertically on the steel pipe column. The two mounting plates 21 form a mounting gap 22 for arranging the connecting heads 32 therebetween. When installing the diagonal pull rod, the connecting heads 32 are inserted into the mounting gap 22, and the side walls of the connecting heads 32 abut against the opposite side walls of the mounting gap 22.

[0045] The mounting plates 21 are provided with locking holes 211 penetrating the horizontal direction of the two side surfaces, and locking bolts 23 are arranged at the locking holes 211. The connecting heads 32 have connecting holes 321 penetrating the two side surfaces and corresponding to the locking holes 211. The locking bolts 23 pass through one of the mounting plates 21 and the connecting heads 32, and pass out of the other mounting plate 21 and are locked by nuts.

[0046] The implementation principle of the steel pipe stand connecting structure in the embodiment of the application is as follows: the mounting piece 2 is welded and fixed on the steel pipe stand, then the first and second inclined pull rods 3 and 4 with adjusted lengths are mounted on the mounting plate 21, so that the connecting heads 32 are inserted into the mounting gaps 22, the locking of the mounting plate 21 and the connecting heads 32 is realized through the locking bolts 23, and the combination of the first and second inclined pull rods 3 and 4 is in a Z shape.

[0047] Embodiment 2

[0048] In the embodiment, the connecting rod body 3 is circular in cross section. In order to ensure that the connecting heads 32 at both ends of the inclined pull rod are always in a parallel state, the connecting heads 32 are rotatably mounted on the connecting rod body 31, and when the adjusting screw 333 is rotated, the connecting heads 32 at both ends are always in a stationary state. The end of the connecting head 32 is integrally provided with a rotating seat 322, and the rotating seat 322 is a column body with a T-shaped cross section as a whole. The end of the connecting rod body 31 is slidably mounted with two limiting rings 34, the radial cross section of the limiting ring 34 is semicircular, and the two limiting rings 34 are symmetrically arranged along the axis of the connecting rod body 31.

[0049] With reference to Figure 5 , the connecting rod body 3 is circular in cross section. In order to ensure that the connecting heads 32 at both ends of the inclined pull rod are always in a parallel state, the connecting heads 32 are rotatably mounted on the connecting rod body 31, and when the adjusting screw 333 is rotated, the connecting heads 32 at both ends are always in a stationary state. The end of the connecting head 32 is integrally provided with a rotating seat 322, and the rotating seat 322 is a column body with a T-shaped cross section as a whole. The end of the connecting rod body 31 is slidably mounted with two limiting rings 34, the radial cross section of the limiting ring 34 is semicircular, and the two limiting rings 34 are symmetrically arranged along the axis of the connecting rod body 31.

[0050] The inner side of the limiting ring 34 includes an installation groove 341 and a limiting groove 342 along the axis direction in sequence, and the inner diameter of the limiting groove 342 is greater than that of the installation groove 341. The combined cross section of the installation groove 341 and the limiting groove 342 is matched with the rotating seat 322.

[0051] The bottom of the limiting ring 34 is integrally provided with a sliding part 35 along the axis direction. The sliding part 35 is an arc-shaped piece with an arc less than 90°, and the outer diameter of the sliding part 35 is smaller than that of the connecting rod body 31. The inner side of the sliding part 35 has a sliding rod 351 extending towards the axis of the connecting rod body 31, and the connecting rod body 31 has a sliding insertion hole 311 for the sliding insertion of the sliding rod 351.

[0052] The side wall of the connecting rod body 31 is rotatably mounted with a locking piece 36 for locking the limiting ring 34. The size of the locking piece 36 is matched with that of the sliding part 35, so that after the locking piece 36 is rotated to cover the sliding part 35, the outer side surface of the locking piece 36 is flush with the outer side wall of the connecting rod body 31. The locking piece 36 is provided with a fixing hole 361 penetrating through the two side surfaces, and the sliding part 35 has a communication hole 352 corresponding to the fixing hole 361. When the locking piece 36 is covered, the fixing hole 361 and the communication hole 352 correspond, and finally a bolt is sequentially threaded through the locking piece 36 and the sliding part 35, and finally fixedly connected with the connecting rod body 31, thereby realizing the fixation of the limiting ring 34 and the connecting rod body 31.

[0053] The connecting rod body 31 is further provided with a compression spring member 312 in the sliding insertion hole 311. Two ends of the compression spring member 312 are fixed to the inner bottom wall of the sliding insertion hole 311 and the end of the sliding rod 351 respectively. When the locking piece 36 is locked, the compression spring member 312 is in a compressed state, so that after the locking piece 36 is unlocked, the limiting ring 34 can automatically slide in the radial direction, facilitating the construction personnel to disassemble the connecting head 32.

[0054] The above are preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A steel pipe column connection structure, characterized in that: The invention comprises an inclined tie rod group (1) and a mounting member (2) for mounting the inclined tie rod group (1), wherein the inclined tie rod group (1) comprises two first inclined tie rods (3) arranged in parallel and a second inclined tie rod (4) obliquely arranged between the two first inclined tie rods (3), wherein the first inclined tie rod (3) comprises a connecting rod body (31) and connecting heads (32) arranged at both ends of the connecting rod body (31), wherein the second inclined tie rod (4) and the first inclined tie rod (3) have the same structure, and the mounting member (2) is arranged on the side walls at both ends of the steel pipe column.

2. A steel pipe column connection structure according to claim 1, characterized in that: The first inclined tie rod (3) further includes an adjusting assembly (33) for adjusting the length of the connecting rod body (31), the adjusting assembly (33) including an adjusting sleeve (331), nut members (332) provided at both ends of the adjusting sleeve (331), and an adjusting screw (333) threadedly engaged with the nut member (332), one end of the adjusting screw (333) being connected to the connecting rod body (31), and the other end being inserted into the adjusting sleeve (331) through the nut member (332).

3. The steel pipe column connection structure according to claim 2, characterized in that: The adjusting sleeve (331) comprises two symmetrical sleeve sections, which sequentially comprise a locking portion (3311), a connecting portion (3312), and an expansion portion (3313) along the axis of the adjusting sleeve (331). The inner diameter of the locking portion (3311) is adapted to the adjusting screw (333), and the inner diameter of the expansion portion (3313) is larger than that of the locking portion (3311).

4. The steel pipe column connection structure according to claim 3, characterized in that: A through hole (3314) that passes through the adjustment sleeve (331) is provided at the connection between the two expansion portions (3313), and the through hole (3314) and the axis of the adjustment sleeve (331) are perpendicular.

5. The steel pipe column connection structure according to claim 1, characterized in that: The mounting member (2) comprises two spaced-apart mounting plates (21), each of the mounting plates (21) having a locking hole (211) extending through both end surfaces, a locking bolt (23) being provided in the locking hole (211) of the mounting plate (21), and the connecting head (32) having a connecting hole (321) corresponding to the locking hole (211) and for the locking bolt (23) to pass through.

6. The steel pipe column connection structure according to claim 5, characterized in that: The two side walls of the connector (32) are fitted with the corresponding inner side walls of the two mounting plates (21).

7. The steel pipe column connection structure according to claim 1, characterized in that: The connecting head (32) is rotatably mounted on the connecting rod body (31); a rotating seat (322) is provided at the end of the connecting head (32); and the connecting rod body (31) has a mounting groove (341) for rotatably engaging the rotating seat (322).

8. The steel pipe column connection structure according to claim 7, characterized in that: A limiting ring (34) is symmetrically provided at the end of the connecting rod body (31), and the inner side of the limiting ring (34) is provided with the mounting groove (341) and a limiting groove (342) for limiting the rotation seat (322) from coming out.

9. The steel pipe column connection structure according to claim 8, characterized in that: The limiting ring (34) is slidably mounted on the connecting rod body (31), and the limiting ring (34) is provided with a sliding portion (35) on a side away from the mounting groove (341), and the sliding portion (35) is provided with a sliding rod (351) extending toward the axis of the connecting rod body (31).

10. The steel pipe column connection structure according to claim 9, characterized in that: The outer diameter of the sliding portion (35) is smaller than the outer diameter of the connecting rod body (31); a locking piece (36) for locking the limiting ring (34) is rotatably mounted on the side wall of the connecting rod body (31); a fixing hole (361) is provided on the locking piece (36); and a connecting hole (352) corresponding to the fixing hole (361) is provided on the sliding portion (35); when the locking piece (36) rotates to cover the sliding portion (35), the outer side of the locking piece (36) is flush with the side wall of the connecting rod body (31).

Images