Suspender bridge splay saddle swing pair

Abstract

A suspension bridge splay saddle swing pair, the suspension bridge splay saddle swing pair includes splay saddle saddle body, saddle body support, support pin shaft hole, support bottom step, pin shaft, base and base top reserved gap, the bottom of the splay saddle saddle body is connected with the top of the saddle body support, the bottom of the saddle body support is provided with support bottom step, the bottom of the saddle body support is provided with a plurality of support pin shaft holes after penetrating the support bottom step, the inner of each support pin shaft hole is inserted with the upper end of the pin shaft, the top of the base is provided with a plurality of base pin shaft mounting holes, each base pin shaft mounting hole is inserted with the lower end of the corresponding pin shaft, the bottom step of the support is in contact with the top of the base, the bottom of the saddle body support is provided with the top of the base reserved gap on the front and back sides of the support bottom step, the saddle body support and the pin shaft will not cause the blockage, and the horizontal direction forms the limiting, the installation precision is lower, and the installation is more convenient and fast.

Description

TECHNICAL FIELD

[0001] The present application relates to an improvement of the technology of the saddle of the cable, belonging to the field of suspension bridge, in particular to a kind of suspension bridge saddle of cable swing pair. BACKGROUND

[0002] In the suspension bridge, the saddle of the cable is the main force and force transmission component of the main cable system of the suspension bridge, and its main function is to support the main cable, to change the line shape smoothly and to disperse the strand of the main cable to the anchorage for anchoring.The saddle assembly mainly includes saddle body, upper bearing plate, lower bearing plate, base and bottom plate.In the prior art, the main cable is fixed with the saddle groove, and during the construction of the bridge, the main cable is loaded due to the suspension of the main beam on the main cable during the erection of the main beam, and the horizontal force of the main cable generated at the side span and the middle span is inconsistent due to the weight difference of the main beam at the side span and the middle span during the hoisting of the beam, which will cause the main cable to move to the middle span, and the saddle of the cable needs to move to the middle span side to balance the horizontal force of the main cable at both sides of the saddle, and during the operation of the bridge after the completion of the bridge, the cable force of the main cable at both sides of the saddle will also be different due to the influence of load, temperature and wind load, and the saddle of the cable also needs to be freely swinged to balance the cable force, therefore, the saddle of the cable needs to be provided with a moving structure;The moving mechanism of the saddle of the cable generally adopts the form of upper and lower swing shaft swing pair, i.e.the recess is arranged at the bottom of the saddle body, the upper swing shaft is embedded, the base is arranged on the pre-buried bottom plate, the recess is arranged at the top of the base, the lower swing shaft is embedded, a plurality of aligned pin holes are arranged between the upper and lower swing shafts, the steel taper pin is arranged in the pin hole of the upper and lower swing shafts, the transverse stopper is further arranged between the upper swing shaft and the recess at the bottom of the saddle body, and the top surface of the lower swing shaft is in the form of circular arc curved surface;The embedded upper and lower swing shafts with taper pin swing structure currently used have very high manufacturing precision requirements, and the on-site installation is relatively difficult, and if the installation is not correct, the swing shaft may be blocked, which will affect the safety of the structure.

[0003] The Chinese patent application with application number CN201620515797.3 and application date May 31, 2016 discloses a suspension bridge saddle of cable, which has a saddle body of the saddle of the cable, a base, a pin shaft and other components, a square support is arranged at the bottom surface of the saddle body of the saddle of the cable, a through-length step is arranged at the lower surface of the support, a plurality of support pin shaft holes are formed at the bottom of the support, a base is arranged below the saddle body, the top surface of the base is in the form of a plane structure, a plurality of support pin shaft holes are arranged at the central position of the top surface of the base, a taper pin shaft is installed, the support step of the saddle body of the saddle of the cable is in contact with the upper surface of the base, and a swing pair structure is formed, but the above-mentioned prior art does not solve the problem that the saddle body of the saddle of the cable has high precision requirements during installation.

[0004] The information disclosed in this BACKGROUND section is only intended to increase an understanding of the general background of the patent application and should not be taken as an acknowledgment or any form of suggestion that this information constitutes prior art with respect to the patent application. SUMMARY

[0005] The purpose of the present application is to overcome the problem that the precision requirement of the saddle body of the spreader saddle is high during installation in the prior art, and to provide a suspension bridge spreader saddle swing pair with low precision requirement during installation.

[0006] To achieve the above purpose, the technical solution of the present application is: a suspension bridge spreader saddle swing pair, comprising a spreader saddle body, a saddle support, a support pin shaft hole, a support bottom step, a pin shaft, a base and a reserved gap.

[0007] The bottom of the spreader saddle body is connected with the top of the saddle support, and the bottom of the saddle support is provided with a support bottom step;

[0008] A plurality of support pin shaft holes are formed in the bottom of the saddle support after penetrating through the support bottom step, and the inner part of each support pin shaft hole is inserted with the upper end of the pin shaft;

[0009] The top of the base is provided with a plurality of base pin shaft mounting holes, and each base pin shaft mounting hole is inserted with the lower end of the corresponding pin shaft;

[0010] The top of the base is provided with a plurality of base pin shaft mounting holes, and each base pin shaft mounting hole is inserted with the lower end of the corresponding pin shaft;

[0011] The bottom of the saddle support is provided with a reserved gap on the front and rear sides of the support bottom step;

[0012] The pin shaft comprises an upper end and a lower end; the bottom of the upper end is connected with the top of the lower end, and the upper end and the lower end are arranged between the support pin shaft hole and the base pin shaft mounting hole;

[0013] There is an upper gap between the top of the upper end and the support pin shaft hole; there is a left gap between the left side of the upper end and the support pin shaft hole; and there is a right gap between the right side of the upper end and the support pin shaft hole.

[0014] The number of support pin shaft holes is at least three;

[0015] All the support pin shaft holes are horizontally and equidistantly distributed on the saddle support.

[0016] The top of the saddle support comprises a left inclined surface, a top surface and a right inclined surface;

[0017] The upper end of the left inclined surface is connected with the left end of the top surface, and the right end of the top surface is connected with the upper end of the right inclined surface;

[0018] The left inclined surface, the right inclined surface and the central part of the top surface are respectively connected with a support rod;

[0019] All the support rods are located between the spreader saddle body and the saddle support.

[0020] The front and rear sides of the support bottom step are provided with rectangular grooves;

[0021] The height of the rectangular groove, the height of the supporting bottom step and the height of the reserved gap are the same;

[0022] The top length of the supporting bottom step is the same as the bottom length of the supporting pin shaft hole;

[0023] The supporting bottom step and the supporting pin shaft hole are arranged at the bottom center of the saddle support.

[0024] The top of the upper end is inserted into the supporting pin shaft hole, and the bottom of the lower end is inserted into the base pin shaft mounting hole.

[0025] The orthographic projection of the upper end is a trapezoid, and the orthographic projection of the lower end is a rectangle;

[0026] The bottom length of the upper end is the same as the top length of the lower end, and the height of the upper end is smaller than or equal to the height of the lower end.

[0027] The top of the upper end is provided with an upper connecting plate;

[0028] The bottom of the lower end is provided with a lower connecting plate; the bottom of the lower connecting plate is in close contact with the inner wall bottom of the base pin shaft mounting hole.

[0029] The orthographic projection of the upper connecting plate is a trapezoid, and the top thereof is a circular surface; the bottom length of the upper connecting plate is the same as the top length of the upper end;

[0030] The orthographic projection of the lower connecting plate is an inverted trapezoid; the top length of the lower connecting plate is the same as the bottom of the lower end;

[0031] The bottom length of the lower connecting plate is greater than the top length of the upper connecting plate, and the lengths of the top surface of the upper connecting plate, the bottom surface of the lower connecting plate and the top surface of the lower connecting plate increase in turn.

[0032] The interval of the left gap and the right gap is the same, and the interval of the left gap increases from top to bottom.

[0033] The bottom corner gap is arranged between the bottom corners of the left and right sides of the lower end and the base pin shaft mounting hole;

[0034] The interval of the bottom corner gap is smaller than the interval of the left gap;

[0035] The upper surface of the base is arranged in a rectangular planar manner.

[0036] Compared with the prior art, the beneficial effects of the present application are:

[0037] 1. In the suspension bridge cable saddle swing pair, the bottom of the saddle body is connected with the top of the saddle support, the bottom of the saddle support is provided with a support bottom step, a plurality of support pin shaft holes are formed in the bottom of the saddle support after penetrating the support bottom step, the inner wall of each support pin shaft hole is inserted with the upper end of the pin shaft, the top of the base is provided with a plurality of base pin shaft mounting holes, the lower end of the corresponding pin shaft is inserted into each base pin shaft mounting hole, the support bottom step is in contact with the top of the base, the bottom of the saddle support is provided with a reserved gap on the front and rear sides of the support bottom step, the base can support the saddle support, the lower end of the pin shaft is in a cylindrical structure, and the upper end is in a conical structure, so that the saddle body can be installed without causing blockage between the saddle support and the pin shaft, the installation precision requirement is low, and the installation is more convenient and fast. Therefore, the design has low installation precision requirement and is convenient to install.

[0038] 2. In the suspension bridge cable saddle swing pair, the front and rear sides of the support bottom step are provided with rectangular grooves, the height of the rectangular groove, the height of the support bottom step and the height of the reserved gap are the same, the swing pair is formed between the support bottom step and the base, the saddle support is prevented from being blocked with the base during installation, and the installation is more stable and safe. Therefore, the design is safe to operate and stable to install.

[0039] 3. In the suspension bridge cable saddle swing pair, the top of the upper end is provided with an upper connecting plate, the top of the upper connecting plate is attached to the top of the inner wall of the support pin shaft hole, the bottom of the lower end is provided with a lower connecting plate, the bottom of the lower connecting plate is attached to the bottom of the inner wall of the base pin shaft mounting hole, the orthographic projection of the upper connecting plate is a trapezoid, the length of the bottom of the upper connecting plate is the same as the length of the top of the upper end, the orthographic projection of the lower connecting plate is an inverted trapezoid, the length of the top of the lower connecting plate is the same as the length of the bottom of the lower end, so that the pin shaft is more combined with the support pin shaft hole and the base pin shaft mounting hole, and the connection stability is stronger. Therefore, the design has strong stability and is convenient to install. BRIEF DESCRIPTION OF DRAWINGS

[0040] Figure 1 It is a structural schematic diagram of the present application.

[0041] Figure 2 It is a side view of the present application.

[0042] Figure 3 It is a connection schematic diagram of the saddle body and the base in the present application.

[0043] Figure 4 It is a structural schematic diagram of the saddle support in the present application.

[0044] Figure 5 It is a structural schematic diagram of the pin shaft in the present application.

[0045] Figure 6 is the structural diagram of the base in the application.

[0046] Figure 7 is the top view of the base in the application.

[0047] In the figure: saddle body 1 of spreader saddle, saddle support 11, support pin shaft hole 12, support bottom step 13, rectangular groove 131, left inclined surface 14, top surface 15, right inclined surface 16, support rod 17, upper gap 18, left gap 19, right gap 20, pin shaft 2, upper end 21, lower end 22, upper connecting plate 23, lower connecting plate 24, base 3, base pin shaft mounting hole 31, bottom corner gap 32, reserved gap 4. DETAILED DESCRIPTION

[0048] The application is further described in detail in the following description and specific embodiments in conjunction with the accompanying drawings.

[0049] Referring to Figures 1 to 7 A spreader saddle swing pair of a suspension bridge spreader saddle, the spreader saddle swing pair comprises a saddle body 1 of spreader saddle, a saddle support 11, a support pin shaft hole 12, a support bottom step 13, a pin shaft 2, a base 3 and a reserved gap 4;

[0050] The bottom of the saddle body 1 of spreader saddle is connected with the top of the saddle support 11, and the bottom of the saddle support 11 is provided with the support bottom step 13;

[0051] The bottom of the saddle support 11 is provided with a plurality of support pin shaft holes 12 after penetrating through the support bottom step 13, and the inner of each support pin shaft hole 12 is inserted with the upper end of the pin shaft 2;

[0052] The top of the base 3 is provided with a plurality of base pin shaft mounting holes 31, and each base pin shaft mounting hole 31 is inserted with the lower end of the corresponding pin shaft 2;

[0053] The support bottom step 13 is in contact with the top of the base 3;

[0054] The bottom of the saddle support 11 is provided with the reserved gap 4 on the front and rear sides of the support bottom step 13;

[0055] The pin shaft 2 comprises an upper end 21 and a lower end 22; the bottom of the upper end 21 is connected with the top of the lower end 22, and the upper end 21 and the lower end 22 are arranged between the support pin shaft hole 12 and the base pin shaft mounting hole 31;

[0056] There is an upper gap 18 between the top of the upper end 21 and the support pin shaft hole 12; there is a left gap 19 between the left side of the upper end 21 and the support pin shaft hole 12; and there is a right gap 20 between the right side of the upper end 21 and the support pin shaft hole 12.

[0057] The number of the support pin shaft hole 12 is at least three;

[0058] All the bearing pin holes 12 are distributed equidistantly on the saddle bearing 11.

[0059] The top of the saddle bearing 11 comprises a left slope 14, a top surface 15 and a right slope 16.

[0060] The upper end of the left slope 14 is connected with the left end of the top surface 15, and the right end of the top surface 15 is connected with the upper end of the right slope 16.

[0061] The left slope 14, the right slope 16 and the central part of the top surface 15 are respectively connected with a support rod 17.

[0062] All the support rods 17 are located between the spreader bar saddle body 1 and the saddle bearing 11.

[0063] The front and rear sides of the bearing bottom step 13 are provided with rectangular grooves 131.

[0064] The height of the rectangular grooves 131, the height of the bearing bottom step 13 and the height of the reserved gap 4 are the same.

[0065] The top length of the bearing bottom step 13 is the same as the bottom length of the bearing pin hole 12.

[0066] The bearing bottom step 13 and the bearing pin hole 12 are centrally arranged at the bottom of the saddle bearing 11.

[0067] The top of the upper end 21 is inserted into the bearing pin hole 12, and the bottom of the lower end 22 is inserted into the base pin shaft mounting hole 31.

[0068] The orthographic projection of the upper end 21 is a trapezoid, and the orthographic projection of the lower end 22 is a rectangle.

[0069] The bottom length of the upper end 21 is the same as the top length of the lower end 22, and the height of the upper end 21 is less than or equal to the height of the lower end 22.

[0070] The top of the upper end is provided with an upper connecting plate 23.

[0071] The bottom of the lower end 22 is provided with a lower connecting plate 24, and the bottom of the lower connecting plate 24 is in contact with the inner wall bottom of the base pin shaft mounting hole 31.

[0072] The orthographic projection of the upper connecting plate 23 is a trapezoid, and the top thereof is a circular surface; the bottom length of the upper connecting plate 23 is the same as the top length of the upper end 21.

[0073] The orthographic projection of the lower connecting plate 24 is an inverted trapezoid; the top length of the lower connecting plate 24 is the same as the bottom of the lower end 22.

[0074] The bottom length of the lower connecting plate 24 is greater than the top length of the upper connecting plate 23, and the top surface of the upper connecting plate 23, the bottom surface of the lower connecting plate 24, and the length of the top surface of the lower connecting plate 24 increase in turn.

[0075] The left gap 19 and the right gap 20 have the same spacing, and the spacing of the left gap 19 increases from top to bottom.

[0076] The bottom corner gap 32 is provided between the bottom corner of the lower end 22 and the base pin shaft mounting hole 31.

[0077] The spacing of the bottom corner gap 32 is smaller than the spacing of the left gap 19.

[0078] The upper surface of the base 3 is provided in a rectangular planar shape.

[0079] The principle of the present application is as follows: the bottom surface of the saddle body 1 is provided with a whole saddle support 11 in a square shape, the lower surface of the saddle support 11 is provided with a through-length support bottom step 13, and a plurality of support pin shaft holes 12 are formed in the bottom of the saddle support 11 for installing a conical pin shaft 2, so that the support bottom step 13 of the saddle support contacts the upper surface of the base 3 to form a swing pair structure, and the reserved gap 4 between the support bottom step 13 of the saddle support and the base 3 ensures that the saddle body 1 does not block when swinging, the lower end 22 of the pin shaft 2 is in a cylindrical structure, and the upper end 21 is in a conical structure, so that when the saddle body 1 is installed, the support bottom step 13 of the saddle support and the pin shaft 2 do not cause blockage, and a limit is formed in the horizontal direction to prevent the saddle body 1 from being separated from the base 3 in special situations such as earthquakes. Embodiment

[0080] A suspension bridge splay saddle swing pair, the suspension bridge splay saddle swing pair includes splay saddle saddle body 1, saddle body support 11, support bottom step 13, pin shaft 2, base 3 and reserved gap 4;The bottom of the splay saddle saddle body 1 is connected with the top of the saddle body support 11, the bottom of the saddle body support 11 is provided with a support bottom step 13;The bottom of the saddle body support 11 is provided with a plurality of support pin shaft holes 12 after penetrating the support bottom step 13, and the inner of each support pin shaft hole 12 is inserted with the upper end of the pin shaft 2;The top of the base 3 is provided with a plurality of base pin shaft mounting holes 31, and the lower end of each base pin shaft mounting hole 31 is inserted with the corresponding pin shaft 2;The support bottom step 13 and the top of the base 3 are in contact;The bottom of the saddle body support 11 is provided with a reserved gap 4 on the front and back sides of the support bottom step 13, and the pin shaft 2 includes an upper end 21 and a lower end 22;The bottom of the upper end 21 is connected with the top of the lower end 22, and the upper end 21 and the lower end 22 are arranged between the support pin shaft hole 12 and the base pin shaft mounting hole 31;There is an upper gap 18 between the top of the upper end 21 and the support pin shaft hole 12;There is a left gap 19 between the left side of the upper end 21 and the support pin shaft hole 12;There is a right gap 20 between the right side of the upper end 21 and the support pin shaft hole 12.

[0081] Application time:

[0082] The bottom surface of the splay saddle saddle body 1 is provided with a saddle body support 11 which is overall square, the lower surface of the saddle body support 11 is provided with a through-length support bottom step 13, the splay saddle support bottom step 13 is in contact with the upper surface of the base 3, forming a swing pair structure, and the reserved gap 4 between the splay saddle support bottom step 13 and the base 3 ensures that the splay saddle saddle body 1 does not block when swinging, the pin shaft 2 connects the splay saddle saddle body 1 and the base 3, and forms a limit in the horizontal direction to prevent the splay saddle saddle body 1 and the base 3 from being separated in the event of an outside situation, the upper gap 18, the left gap 19 and the right gap 20 between the pin shaft 2 and the support pin shaft hole 12 can avoid the problem of blocking of the splay saddle saddle body 1 during installation. Embodiment

[0083] Embodiment 2 is basically the same as embodiment 1, the difference is that:

[0084] The pin shaft 2 comprises an upper end 21 and a lower end 22; the bottom of the upper end 21 is connected with the top of the lower end 22; the top of the upper end 21 is inserted into the bearing pin shaft hole 12, and the bottom of the lower end 22 is inserted into the base pin shaft mounting hole 31; the orthographic projection of the upper end 21 is a trapezoid, and the orthographic projection of the lower end 22 is a rectangle; the length of the bottom of the upper end 21 is the same as the length of the top of the lower end 22, and the height of the upper end 21 is less than or equal to the height of the lower end 22; the top of the upper end is provided with an upper connecting plate 23; the top of the upper connecting plate 23 is in contact with the inner wall top of the bearing pin shaft hole 12; the bottom of the lower end 22 is provided with a lower connecting plate 24; the bottom of the lower connecting plate 24 is in contact with the inner wall bottom of the base pin shaft mounting hole 31; the orthographic projection of the upper connecting plate 23 is a trapezoid, and the top of the upper connecting plate 23 is a circular surface; the length of the bottom of the upper connecting plate 23 is the same as the length of the top of the upper end 21; the orthographic projection of the lower connecting plate 24 is an inverted trapezoid; the length of the top of the lower connecting plate 24 is the same as the length of the bottom of the lower end 22; the length of the bottom of the lower connecting plate 24 is greater than the length of the top of the upper connecting plate 23; there is an upper gap 18 between the top of the upper end 21 and the bearing pin shaft hole 12; there is a left gap 19 between the left side of the upper end 21 and the bearing pin shaft hole 12; there is a right gap 20 between the right side of the upper end 21 and the bearing pin shaft hole 12; the distance between the left gap 19 and the right gap 20 is the same; the bottom corner gap 32 is arranged between the bottom corners of the left and right sides of the lower end 22 and the base pin shaft mounting hole 31; the distance of the bottom corner gap 32 is less than the distance of the left gap 19.

[0085] When applied: the upper gap 18, the left gap 19 and the right gap 20 between the upper end 21 and the bearing pin shaft hole 12 ensure that there is space between the upper end of the pin shaft 2 and the saddle bearing 11, so that the bottom of the saddle does not cause blockage between the pin shaft when the saddle body swings, and forms a limit in the horizontal direction to prevent the saddle body 1 and the base 3 from being separated in special cases such as earthquakes.

[0086] The above only describes the preferred embodiments of the present application, and the protection scope of the present application is not limited to the above embodiments, but any equivalent modifications or changes made by those skilled in the art according to the disclosed content of the present application shall be included in the protection scope recorded in the claims.

Claims

1. A hanger saddle oscillation pair of a suspension bridge, characterized by: The suspension bridge splay saddle swing pair comprises a splay saddle saddle body (1), a saddle body support (11), a support pin shaft hole (12), a support bottom step (13), a pin shaft (2), a base (3) and a base top reserved gap (4); The bottom of the splay saddle saddle body (1) is connected with the top of the saddle body support (11), and the bottom of the saddle body support (11) is provided with the support bottom step (13); A plurality of support pin shaft holes (12) are formed in the bottom of the saddle body support (11) after penetrating through the support bottom step (13), and the inner part of each support pin shaft hole (12) is inserted with the upper end of the pin shaft (2); The top of the base (3) is provided with a plurality of base pin shaft mounting holes (31), and the lower end of the corresponding pin shaft (2) is inserted into each base pin shaft mounting hole (31); The support bottom step (13) is in contact with the top of the base (3); The bottom of the saddle body support (11) is provided with the base top reserved gap (4) on the front and back sides of the support bottom step (13); The pin shaft (2) comprises an upper end (21) and a lower end (22), the bottom of the upper end (21) is connected with the top of the lower end (22), and the upper end (21) and the lower end (22) are arranged between the support pin shaft hole (12) and the base pin shaft mounting hole (31); There is an upper gap (18) between the top of the upper end (21) and the support pin shaft hole (12), there is a left gap (19) between the left side of the upper end (21) and the support pin shaft hole (12), and there is a right gap (20) between the right side of the upper end (21) and the support pin shaft hole (12); The number of the support pin shaft holes (12) is at least three; All the support pin shaft holes (12) are horizontally and equidistantly distributed on the saddle body support (11); The top of the saddle body support (11) comprises a left inclined surface (14), a top surface (15) and a right inclined surface (16); The upper end of the left inclined surface (14) is connected with the left end of the top surface (15), and the right end of the top surface (15) is connected with the upper end of the right inclined surface (16); The left inclined surface (14), the right inclined surface (16) and the central part of the top surface (15) are respectively connected with a support rod (17); All the support rods (17) are located between the splay saddle saddle body (1) and the saddle body support (11); The front and back sides of the support bottom step (13) are provided with rectangular grooves (131); The height of the rectangular groove (131), the height of the support bottom step (13) and the height of the base top reserved gap (4) are the same; The top length of the support bottom step (13) is the same as the bottom length of the support pin shaft hole (12); The support bottom step (13) and the support pin shaft hole (12) are centrally arranged at the bottom center of the saddle body support (11). The bottom surface of the saddle body (1) is provided with a saddle body support (11) in the shape of a square as a whole, the lower surface of the saddle body support (11) is provided with a through-length support bottom step (13), and a plurality of pin shaft holes (12) are formed in the bottom of the saddle body support (11) for mounting a conical pin shaft (2), so that the support bottom step (13) of the saddle body (1) is in contact with the upper surface of the base (3) to form a swing pair structure, and the reserved gap (4) between the support bottom step (13) of the saddle body (1) and the base (3) ensures that the saddle body (1) will not be blocked when swinging, the lower end (22) of the pin shaft (2) is in the shape of a cylinder, and the upper end (21) is in the shape of a cone, so that when the saddle body (1) is installed, the support bottom step (13) of the saddle body (1) and the pin shaft (2) will not be blocked, and a limit is formed in the horizontal direction to prevent the saddle body (1) and the base (3) from being separated in special situations such as earthquakes.

2. The suspension bridge cable saddle swing pair according to claim 1, characterized in that: the top of the upper end (21) is inserted into the support pin shaft hole (12), and the bottom of the lower end (22) is inserted into the base pin shaft mounting hole (31).

3. A hanger saddle oscillation pair of a suspension bridge according to claim 2, characterized in that: the orthographic projection of the upper end (21) is a trapezoid, and the orthographic projection of the lower end (22) is a rectangle; the length of the bottom of the upper end (21) is the same as the length of the top of the lower end (22), and the height of the upper end (21) is less than or equal to the height of the lower end (22).

4. A hanger saddle oscillation pair of a suspension bridge according to claim 3, characterized in that: the top of the upper end is provided with an upper connecting plate (23); the bottom of the lower end (22) is provided with a lower connecting plate (24), and the bottom of the lower connecting plate (24) is in contact with the inner wall bottom of the base pin shaft mounting hole (31).

5. A hanger saddle oscillation pair of a suspension bridge according to claim 4, characterized in that: the orthographic projection of the upper connecting plate (23) is a trapezoid, and the top thereof is a circular surface; the length of the bottom of the upper connecting plate (23) is the same as the length of the top of the upper end (21); the orthographic projection of the lower connecting plate (24) is in the shape of an inverted trapezoid; the length of the top of the lower connecting plate (24) is the same as the bottom of the lower end (22); the length of the bottom of the lower connecting plate (24) is greater than the length of the top of the upper connecting plate (23), and the length of the top surface of the upper connecting plate (23), the bottom surface of the lower connecting plate (24), and the top surface of the lower connecting plate (24) increases in turn.

6. A hanger saddle oscillation pair of a suspension bridge according to claim 5, characterized in that: the distance between the left gap (19) and the right gap (20) is the same, and the distance between the left gap (19) increases from top to bottom.

7. A hanger saddle oscillation pair of a suspension bridge according to claim 5, characterized in that: bottom corner gaps (32) are formed between the bottom corners of the left and right sides of the lower end (22) and the base pin shaft mounting hole (31); the distance of the bottom corner gap (32) is less than the distance of the left gap (19); the upper surface of the base (3) is in the shape of a rectangular plane.

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