A semi-trailer suspension assembly apparatus

Abstract

The application provides a semitrailer suspension assembly device, which comprises a seat body, the upper surface of the seat body is provided with a profiling groove capable of matching the semitrailer suspension, the lower surface of the seat body is provided with a mounting channel, the width of the profiling groove is less than or equal to the width of the mounting channel, the mounting channel is arranged along the vertical direction, and the upper end of the mounting channel is communicated with the profiling groove. The steel plates of the semitrailer suspension are laid in the profiling groove one by one, then the opening of the U-shaped clamp is upward, the U-shaped clamp is inserted from the lower end of the mounting channel and upward, the upper end of the U-shaped clamp is locked and connected by using a locking bolt, so that the semitrailer suspension is bundled together, compared with manual stacking and manual alignment in the prior art, the semitrailer suspension is assembled by using the semitrailer suspension assembly device in the embodiment, the positioning is more accurate, the assembly efficiency is higher, the assembly precision is higher, and the assembly process is more labor-saving.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of suspension assembly, in particular to a semi-trailer suspension assembly device. BACKGROUND

[0002] The semi-trailer suspension is an important part connecting the semi-trailer chassis walking device and the frame. The support force, braking force and driving force of the vehicle are transmitted through the suspension system, which can also reduce the impact force of the vehicle on the road, has a damping effect, ensures the stability of the vehicle, and the common semi-trailer suspension includes steel plate suspension, air suspension, single-point suspension and rigid suspension.

[0003] The steel plate suspension in the prior art is usually composed of multiple steel plates with decreasing lengths stacked in sequence. The multiple steel plates are bundled together by a hoop. In the prior art, the steel plates are manually stacked in sequence, and then the centers of the steel plates are aligned on the same vertical line. Then the two sides of the steel plates are aligned in the vertical direction. Then multiple U-shaped hoops are used to clamp the multiple positions of the steel plates. Finally, the ports of the hoops are locked by bolts to bundle the multiple steel plates together. However, since the steel plates are heavy, the assembly process is labor-intensive and inefficient, and the matching precision of the steel plates is difficult to control. SUMMARY

[0004] The present application provides a semi-trailer suspension assembly device to solve the problems of labor-intensive, low efficiency and difficult to control assembly precision in the prior art.

[0005] To achieve the above-mentioned purpose, the embodiments of the present application propose the following technical solutions:

[0006] A semi-trailer suspension assembly device includes a seat body, an upper surface of the seat body is provided with a profiling groove, the profiling groove can match the semi-trailer suspension, a lower surface of the seat body is provided with a mounting channel, the width of the profiling groove is less than or equal to the width of the mounting channel, the mounting channel is arranged in the vertical direction, and the upper end of the mounting channel is in communication with the profiling groove. The seat body has a cross section at the central position between the left and right ends, the cross section divides the seat body into left and right parts, a portion of the cross section of the seat body is fixedly connected with a latch, the cross section of another portion of the seat body is provided with a corresponding insertion hole, and the latch and the insertion hole are inserted in the left-right direction.

[0007] In some embodiments, the upper surface of the seat body is provided with a first profiling groove, the lower surface of the first profiling groove is provided with a second profiling groove, the lower surface of the second profiling groove is provided with a third profiling groove, the lower surface of the third profiling groove is provided with a fourth profiling groove, the lower surface of the fourth profiling groove is provided with a fifth profiling groove, the lower surface of the fifth profiling groove is provided with a sixth profiling groove, the lower surface of the sixth profiling groove is provided with a seventh profiling groove, the lower surface of the seventh profiling groove is provided with an eighth profiling groove, and the lower surface of the eighth profiling groove is provided with a ninth profiling groove.

[0008] The profiling grooves consist of the first profiling groove, the second profiling groove, the third profiling groove, the fourth profiling groove, the fifth profiling groove, the sixth profiling groove, the seventh profiling groove, the eighth profiling groove, and the ninth profiling groove.

[0009] The lower surfaces of the first profiling groove, the second profiling groove, the third profiling groove, the fourth profiling groove, the fifth profiling groove, the sixth profiling groove, the seventh profiling groove, the eighth profiling groove, and the ninth profiling groove are arc-shaped.

[0010] The centers of curvature of the lower surfaces of the first profiling groove, the second profiling groove, the third profiling groove, the fourth profiling groove, the fifth profiling groove, the sixth profiling groove, the seventh profiling groove, the eighth profiling groove, and the ninth profiling groove coincide.

[0011] The centers of curvature of the lower surfaces of the first profiling groove, the second profiling groove, the third profiling groove, the fourth profiling groove, the fifth profiling groove, the sixth profiling groove, the seventh profiling groove, the eighth profiling groove, and the ninth profiling groove are located above the first profiling groove.

[0012] The centers of the first profiling groove, the second profiling groove, the third profiling groove, the fourth profiling groove, the fifth profiling groove, the sixth profiling groove, the seventh profiling groove, the eighth profiling groove, and the ninth profiling groove are located on the same vertical line.

[0013] The arc length of the lower surface of the first profiling groove, the arc length of the lower surface of the second profiling groove, the arc length of the lower surface of the third profiling groove, the arc length of the lower surface of the fourth profiling groove, the arc length of the lower surface of the fifth profiling groove, the arc length of the lower surface of the sixth profiling groove, the arc length of the lower surface of the seventh profiling groove, the arc length of the lower surface of the eighth profiling groove, and the arc length of the lower surface of the ninth profiling groove decrease in turn;

[0014] The side surface of the first profiling groove, the side surface of the second profiling groove, the side surface of the third profiling groove, the side surface of the fourth profiling groove, the side surface of the fifth profiling groove, the side surface of the sixth profiling groove, the side surface of the seventh profiling groove, the side surface of the eighth profiling groove, and the side surface of the ninth profiling groove are aligned in the vertical direction;

[0015] The depth of the first profiling groove, the depth of the second profiling groove, the depth of the third profiling groove, the depth of the fourth profiling groove, the depth of the fifth profiling groove, the depth of the sixth profiling groove, the depth of the seventh profiling groove, the depth of the eighth profiling groove, and the depth of the ninth profiling groove are equal, and the depth of the first profiling groove is equal to the thickness of the first steel plate;

[0016] The first profiling groove matches the first steel plate, the second profiling groove matches the second steel plate, the third profiling groove matches the third steel plate, the fourth profiling groove matches the fourth steel plate, the fifth profiling groove matches the fifth steel plate, the sixth profiling groove matches the sixth steel plate, the seventh profiling groove matches the seventh steel plate, the eighth profiling groove matches the eighth steel plate, and the ninth profiling groove matches the ninth steel plate;

[0017] The mounting channel comprises a first channel, a second channel, a third channel, and a fourth channel;

[0018] The first channel is arranged in the vertical direction, the upper end of the first channel is in communication with the left end of the fourth profiling groove, the width of the first channel is greater than the width of the fourth profiling groove, and the fourth profiling groove is located between the two side surfaces of the first channel;

[0019] The second channel is arranged in the vertical direction, the upper end of the second channel is in communication with the left end of the seventh profiling groove, the width of the second channel is greater than the width of the seventh profiling groove, and the seventh profiling groove is located between the two side surfaces of the second channel;

[0020] The third channel is arranged in the vertical direction, the upper end of the third channel is in communication with the right end of the seventh profiling groove, the width of the third channel is greater than the width of the seventh profiling groove, and the seventh profiling groove is located between the two side surfaces of the third channel;

[0021] The fourth channel is arranged in a vertical direction, an upper end of the fourth channel is communicated with a right end of the fourth profiling groove, a width of the fourth channel is greater than a width of the fourth profiling groove, and the fourth profiling groove is located between two side surfaces of the fourth channel.

[0022] In some embodiments, an upper surface of the seat body is an arc surface, a center of curvature of the upper surface of the seat body is located above the seat body, and the center of curvature of the upper surface of the seat body coincides with a center of curvature of the first profiling groove.

[0023] In some embodiments, a lower surface of the seat body is provided with a central hole, a central axis of the central hole is arranged in a vertical direction, and a center of the central hole is located directly below a center of the ninth profiling groove.

[0024] In some embodiments, a side wall of the first profiling groove is provided with a first avoiding opening, the first avoiding opening penetrates two side walls of the first profiling groove in a direction perpendicular to the side wall of the first profiling groove, the first avoiding opening is located above the first channel, and an upper end of the first channel is communicated with the first avoiding opening.

[0025] In some embodiments, a side wall of the first profiling groove is provided with a second avoiding opening, the second avoiding opening penetrates two side walls of the first profiling groove in a direction perpendicular to the side wall of the first profiling groove, the second avoiding opening is located above the second channel, and an upper end of the second channel is communicated with the second avoiding opening.

[0026] In some embodiments, a side wall of the first profiling groove is provided with a third avoiding opening, the third avoiding opening penetrates two side walls of the first profiling groove in a direction perpendicular to the side wall of the first profiling groove, the third avoiding opening is located above the third channel, and an upper end of the third channel is communicated with the third avoiding opening.

[0027] In some embodiments, a side wall of the first profiling groove is provided with a fourth avoiding opening, the fourth avoiding opening penetrates two side walls of the first profiling groove in a direction perpendicular to the side wall of the first profiling groove, the fourth avoiding opening is located above the fourth channel, and an upper end of the fourth channel is communicated with the fourth avoiding opening.

[0028] In some embodiments, the semitrailer suspension assembly device further comprises at least three feet, the feet are located below the seat body, the feet are arranged in a vertical direction, upper ends of the feet are fixedly connected with a lower surface of the seat body, the feet are arranged around a center of the lower surface of the seat body, and lengths of the feet are greater than or equal to 30 cm; the semitrailer suspension assembly device further comprises a bottom plate, the bottom plate is located below the feet, the bottom plate is arranged in a horizontal direction, and lower ends of the feet are fixedly connected with an upper surface of the bottom plate.

[0029] In some embodiments, the feet are elastic.

[0030] Advantages:

[0031] The semi-trailer suspension assembly device provided by the embodiment places the steel plates of the semi-trailer suspension into the profiling groove one by one, then inserts the U-shaped clamp into the installation channel from the lower end of the installation channel with the opening of the U-shaped clamp facing upward, until the inner wall of the U-shaped clamp abuts against the lower surface of the semi-trailer suspension, at this time, the upper end of the U-shaped clamp is exposed above the upper surface of the semi-trailer suspension, and the upper end of the U-shaped clamp is locked and connected by using the locking bolt, so as to bundle the semi-trailer suspension together, the inner wall of the profiling groove can be tightly matched with the lower surface, the two end surfaces and the two side surfaces of each steel plate, compared with the manual stacking and manual alignment in the prior art, the semi-trailer suspension is assembled by using the semi-trailer suspension assembly device in the embodiment, the positioning is more accurate, the assembly efficiency is higher, the assembly precision is higher, and the assembly process is more labor-saving. BRIEF DESCRIPTION OF DRAWINGS

[0032] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0033] Figure 1 is a structural schematic diagram of a semi-trailer suspension assembly device in the embodiment of the present application;

[0034] Figure 2 is a structural schematic diagram of the semi-trailer suspension when being pulled out from the profiling groove in the embodiment of the present application;

[0035] Figure 3 is a structural schematic diagram of the cooperation between the seat body and the semi-trailer suspension in the embodiment of the present application;

[0036] Figure 4 is a structural schematic diagram of the seat body in the embodiment of the present application;

[0037] Figure 5 is a structural schematic diagram of the lower surface of the seat body;

[0038] Figure 6 is a structural schematic diagram of the cooperation between the first steel plate and the ninth steel plate in the embodiment of the present application;

[0039] Figure 7 is a structural schematic diagram of a seat body in the embodiment of the present application.

[0040] Explanation of reference signs

[0041] 101, base body; 102, profiling groove; 103, mounting channel; 104, first profiling groove; 105, second profiling groove; 106, third profiling groove; 107, fourth profiling groove; 108, fifth profiling groove; 109, sixth profiling groove; 110, seventh profiling groove; 111, eighth profiling groove; 112, ninth profiling groove; 113, first channel; 114, second channel; 115, third channel; 116, fourth channel; 117, center hole; 118, first escape; 119, second escape; 120, third escape; 121, fourth escape; 122, leg; 123, bottom plate; 124, first steel plate; 125, second steel plate; 126, third steel plate; 127, fourth steel plate; 128, fifth steel plate; 129, sixth steel plate; 130, seventh steel plate; 131, eighth steel plate; 132, ninth steel plate; 133, U-shaped clamp; 134, locking bolt; 135, first through hole; 136, second through hole; 137, third through hole; 138, fourth through hole; 139, fifth through hole; 140, sixth through hole; 141, seventh through hole; 142, eighth through hole; 143, ninth through hole; 144, nut; 145, center bolt; 146, cross section; 147, bolt; 148, insertion hole. DETAILED DESCRIPTION

[0042] The embodiments of the present application will be further described in details below with reference to the drawings and embodiments. The following embodiments are used to illustrate the present application, but cannot be used to limit the scope of the present application.

[0043] In the description of the embodiments of the present application, it should be noted that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the embodiments of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the embodiments of the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0044] In the description of the embodiments of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "connected", "connected" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0045] In the embodiments of the present application, unless specifically defined and limited otherwise, a first feature is "on", "under", "above", or "over" a second feature can mean that the first feature is in direct contact with the second feature, or the first feature is in indirect contact with the second feature through an intermediate medium. Moreover, the first feature "over", "above", and "on" the second feature can mean that the first feature is directly above or obliquely above the second feature, or only means that the first feature is higher than the second feature in horizontal height. The first feature "under", "below", and "under" the second feature can mean that the first feature is directly below or obliquely below the second feature, or only means that the first feature is lower than the second feature in horizontal height.

[0046] In the description of the present specification, the description of the terms "specific example", "one embodiment", "example", "some embodiments", "some examples", "some implementations", or "possible implementations" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. In addition, the person skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples without contradiction.

[0047] As shown in Figure 2 and Figure 6 To facilitate understanding of the scheme of the embodiments in the present application, a structure of a semi-trailer suspension in the prior art is introduced first. The semi-trailer suspension includes a first steel plate 124, a second steel plate 125, a third steel plate 126, a fourth steel plate 127, a fifth steel plate 128, a sixth steel plate 129, a seventh steel plate 130, an eighth steel plate 131, a ninth steel plate 132, a U-shaped clamp 133, and a locking bolt 134.

[0048] The length of the first steel plate 124, the length of the second steel plate 125, the length of the third steel plate 126, the length of the fourth steel plate 127, the length of the fifth steel plate 128, the length of the sixth steel plate 129, the length of the seventh steel plate 130, the length of the eighth steel plate 131, and the length of the ninth steel plate 132 decrease in turn;

[0049] The first steel plate 124, the second steel plate 125, the third steel plate 126, the fourth steel plate 127, the fifth steel plate 128, the sixth steel plate 129, the seventh steel plate 130, the eighth steel plate 131, and the ninth steel plate 132 are arc-shaped.

[0050] The curvatures of the first steel plate 124, the second steel plate 125, the third steel plate 126, the fourth steel plate 127, the fifth steel plate 128, the sixth steel plate 129, the seventh steel plate 130, the eighth steel plate 131, and the ninth steel plate 132 are equal.

[0051] The first steel plate 124, the second steel plate 125, the third steel plate 126, the fourth steel plate 127, the fifth steel plate 128, the sixth steel plate 129, the seventh steel plate 130, the eighth steel plate 131, and the ninth steel plate 132 are sequentially stacked from top to bottom.

[0052] The curvature centers of the first steel plate 124, the second steel plate 125, the third steel plate 126, the fourth steel plate 127, the fifth steel plate 128, the sixth steel plate 129, the seventh steel plate 130, the eighth steel plate 131, and the ninth steel plate 132 coincide.

[0053] The curvature centers of the first steel plate 124, the second steel plate 125, the third steel plate 126, the fourth steel plate 127, the fifth steel plate 128, the sixth steel plate 129, the seventh steel plate 130, the eighth steel plate 131, and the ninth steel plate 132 are located above the first steel plate 124.

[0054] The centers of the first steel plate 124, the second steel plate 125, the third steel plate 126, the fourth steel plate 127, the fifth steel plate 128, the sixth steel plate 129, the seventh steel plate 130, the eighth steel plate 131, and the ninth steel plate 132 are located on the same vertical line.

[0055] The thicknesses of the first steel plate 124, the second steel plate 125, the third steel plate 126, the fourth steel plate 127, the fifth steel plate 128, the sixth steel plate 129, the seventh steel plate 130, the eighth steel plate 131, and the ninth steel plate 132 are equal.

[0056] The center of the first steel plate 124 is provided with a first through hole 135, the center of the second steel plate 125 is provided with a second through hole 136, the center of the third steel plate 126 is provided with a third through hole 137, the center of the fourth steel plate 127 is provided with a fourth through hole 138, the center of the fifth steel plate 128 is provided with a fifth through hole 139, the center of the sixth steel plate 129 is provided with a sixth through hole 140, the center of the seventh steel plate 130 is provided with a seventh through hole 141, the center of the eighth steel plate 131 is provided with an eighth through hole 142, and the center of the ninth steel plate 132 is provided with a ninth through hole 143.

[0057] The diameters of the first through hole 135, the second through hole 136, the third through hole 137, the fourth through hole 138, the fifth through hole 139, the sixth through hole 140, the seventh through hole 141, the eighth through hole 142, and the ninth through hole 143 are equal.

[0058] The central axes of the first through hole 135, the second through hole 136, the third through hole 137, the fourth through hole 138, the fifth through hole 139, the sixth through hole 140, the seventh through hole 141, the eighth through hole 142, and the ninth through hole 143 are located on the same straight line.

[0059] like Figures 1 to 6 As shown in the embodiments of this application, a semi-trailer suspension assembly device is provided, including a seat 101. The upper surface of the seat 101 is provided with a contour groove that can match the semi-trailer suspension. The lower surface of the seat 101 is provided with an installation channel 103. The width of the contour groove is less than or equal to the width of the installation channel 103. The installation channel 103 is arranged in a vertical direction, and the upper end of the installation channel 103 is connected to the contour groove.

[0060] The semi-trailer suspension assembly equipment provided in this embodiment places the steel plates of the semi-trailer suspension one by one into the contour groove. Then, with the opening of the U-shaped clamp 133 facing upward, the U-shaped clamp 133 is inserted upward from the lower end of the installation channel 103 until the inner wall of the U-shaped clamp 133 abuts against the lower surface of the semi-trailer suspension. At this time, the upper end of the U-shaped clamp 133 protrudes from the upper surface of the semi-trailer suspension. The upper end of the U-shaped clamp 133 is locked and connected using the locking bolt 134, thereby binding the semi-trailer suspension together. The inner wall of the contour groove can fit tightly with the lower surface, two end faces, and two side faces of each steel plate. Compared with the manual stacking and alignment in the prior art, the semi-trailer suspension assembly equipment in this embodiment provides more accurate positioning, higher assembly efficiency, higher assembly precision, and a more labor-saving assembly process.

[0061] For the specific structure of the semi-trailer suspension in this embodiment, please refer to the implementation method below.

[0062] In some embodiments, the upper surface of the base 101 is provided with a first contouring groove 104, the lower surface of the first contouring groove 104 is provided with a second contouring groove 105, the lower surface of the second contouring groove 105 is provided with a third contouring groove 106, the lower surface of the third contouring groove 106 is provided with a fourth contouring groove 107, the lower surface of the fourth contouring groove 107 is provided with a fifth contouring groove 108, the lower surface of the fifth contouring groove 108 is provided with a sixth contouring groove 109, the lower surface of the sixth contouring groove 109 is provided with a seventh contouring groove 110, the lower surface of the seventh contouring groove 110 is provided with an eighth contouring groove 111, and the lower surface of the eighth contouring groove 111 is provided with a ninth contouring groove 112.

[0063] The contour groove is composed of the first contour groove 104, the second contour groove 105, the third contour groove 106, the fourth contour groove 107, the fifth contour groove 108, the sixth contour groove 109, the seventh contour groove 110, the eighth contour groove 111, and the ninth contour groove 112.

[0064] The lower surfaces of the first contour groove 104, the second contour groove 105, the third contour groove 106, the fourth contour groove 107, the fifth contour groove 108, the sixth contour groove 109, the seventh contour groove 110, the eighth contour groove 111, and the ninth contour groove 112 are arc-shaped.

[0065] The curvature centers of the lower surfaces of the first contour groove 104, the second contour groove 105, the third contour groove 106, the fourth contour groove 107, the fifth contour groove 108, the sixth contour groove 109, the seventh contour groove 110, the eighth contour groove 111, and the ninth contour groove 112 coincide.

[0066] The curvature centers of the lower surfaces of the first contour groove 104, the second contour groove 105, the third contour groove 106, the fourth contour groove 107, the fifth contour groove 108, the sixth contour groove 109, the seventh contour groove 110, the eighth contour groove 111, and the ninth contour groove 112 are located above the first contour groove 104.

[0067] The centers of the first contour groove 104, the second contour groove 105, the third contour groove 106, the fourth contour groove 107, the fifth contour groove 108, the sixth contour groove 109, the seventh contour groove 110, the eighth contour groove 111, and the ninth contour groove 112 are located on the same vertical line.

[0068] The arc length of the lower surface of the first contour groove 104, the arc length of the lower surface of the second contour groove 105, the arc length of the lower surface of the third contour groove 106, the arc length of the lower surface of the fourth contour groove 107, the arc length of the lower surface of the fifth contour groove 108, the arc length of the lower surface of the sixth contour groove 109, the arc length of the lower surface of the seventh contour groove 110, the arc length of the lower surface of the eighth contour groove 111, and the arc length of the lower surface of the ninth contour groove 112 decrease sequentially.

[0069] The sides of the first contour groove 104, the second contour groove 105, the third contour groove 106, the fourth contour groove 107, the fifth contour groove 108, the sixth contour groove 109, the seventh contour groove 110, the eighth contour groove 111, and the ninth contour groove 112 are aligned vertically.

[0070] The depths of the first contour groove 104, the second contour groove 105, the third contour groove 106, the fourth contour groove 107, the fifth contour groove 108, the sixth contour groove 109, the seventh contour groove 110, the eighth contour groove 111, and the ninth contour groove 112 are equal, and the depth of the first contour groove 104 is equal to the thickness of the first steel plate 124.

[0071] The first contouring groove 104 matches the first steel plate 124, the second contouring groove 105 matches the second steel plate 125, the third contouring groove 106 matches the third steel plate 126, the fourth contouring groove 107 matches the fourth steel plate 127, the fifth contouring groove 108 matches the fifth steel plate 128, the sixth contouring groove 109 matches the sixth steel plate 129, the seventh contouring groove 110 matches the seventh steel plate 130, the eighth contouring groove 111 matches the eighth steel plate 131, and the ninth contouring groove 112 matches the ninth steel plate 132.

[0072] Installation channel 103 includes a first channel 113, a second channel 114, a third channel 115, and a fourth channel 116;

[0073] The first channel 113 is arranged vertically, and the upper end of the first channel 113 is connected to the left end of the fourth contour groove 107. The width of the first channel 113 is greater than the width of the fourth contour groove 107, and the fourth contour groove 107 is located between the two sides of the first channel 113.

[0074] The second channel 114 is arranged in a vertical direction, an upper end of the second channel 114 is communicated with a left end of the seventh profiling groove 110, a width of the second channel 114 is greater than a width of the seventh profiling groove 110, and the seventh profiling groove 110 is located between two side surfaces of the second channel 114.

[0075] The third channel 115 is arranged in a vertical direction, an upper end of the third channel 115 is communicated with a right end of the seventh profiling groove 110, a width of the third channel 115 is greater than a width of the seventh profiling groove 110, and the seventh profiling groove 110 is located between two side surfaces of the third channel 115.

[0076] The fourth channel 116 is arranged in a vertical direction, an upper end of the fourth channel 116 is communicated with a right end of the fourth profiling groove 107, a width of the fourth channel 116 is greater than a width of the fourth profiling groove 107, and the fourth profiling groove 107 is located between two side surfaces of the fourth channel 116.

[0077] In some embodiments, an upper surface of the seat body 101 is an arc surface, a curvature center of the upper surface of the seat body 101 is located above the seat body 101, and the curvature center of the upper surface of the seat body 101 coincides with a curvature center of the first profiling groove 104.

[0078] In some embodiments, a lower surface of the seat body 101 is provided with a central hole 117, a central axis of the central hole 117 is arranged in a vertical direction, and a center of the central hole 117 is located directly below a center of the ninth profiling groove 112.

[0079] In some embodiments, a side wall of the first profiling groove 104 is provided with a first avoiding opening 118, the first avoiding opening 118 penetrates two side walls of the first profiling groove 104 in a direction perpendicular to the side wall of the first profiling groove 104, the first avoiding opening 118 is located above the first channel 113, and an upper end of the first channel 113 is communicated with the first avoiding opening 118.

[0080] In some embodiments, a side wall of the first profiling groove 104 is provided with a second avoiding opening 119, the second avoiding opening 119 penetrates two side walls of the first profiling groove 104 in a direction perpendicular to the side wall of the first profiling groove 104, the second avoiding opening 119 is located above the second channel 114, and an upper end of the second channel 114 is communicated with the second avoiding opening 119.

[0081] In some embodiments, a side wall of the first profiling groove 104 is provided with a third avoiding opening 120, the third avoiding opening 120 penetrates two side walls of the first profiling groove 104 in a direction perpendicular to the side wall of the first profiling groove 104, the third avoiding opening 120 is located above the third channel 115, and an upper end of the third channel 115 is communicated with the third avoiding opening 120.

[0082] In some embodiments, the fourth avoiding opening 121 is arranged on the sidewall of the first profiling groove 104, and the fourth avoiding opening 121 penetrates the two sidewalls of the first profiling groove 104 in a direction perpendicular to the sidewall of the first profiling groove 104. The fourth avoiding opening 121 is located above the fourth channel 116, and the upper end of the fourth channel 116 is in communication with the fourth avoiding opening 121.

[0083] In some embodiments, the semitrailer suspension assembly device further comprises at least three supporting legs 122, the supporting legs 122 are arranged below the seat body 101, the supporting legs 122 are vertically arranged, the upper end of the supporting legs 122 is fixedly connected with the lower surface of the seat body 101, the supporting legs 122 are arranged around the center of the lower surface of the seat body 101, and the length of the supporting legs 122 is greater than or equal to 30 cm.

[0084] In some embodiments, the semitrailer suspension assembly device further comprises a bottom plate 123, the bottom plate 123 is arranged below the supporting legs 122, the bottom plate 123 is horizontally arranged, and the lower end of the supporting legs 122 is fixedly connected with the upper surface of the bottom plate 123.

[0085] In the process of assembling the semitrailer suspension, the ninth steel plate 132 is placed into the ninth profiling groove 112, the eighth steel plate 131 is placed into the eighth profiling groove 111, the seventh steel plate 130 is placed into the eighth profiling groove 111, the seventh steel plate 130 is placed into the seventh profiling groove 110, the sixth steel plate 129 is placed into the sixth profiling groove 109, the fifth steel plate 128 is placed into the fifth profiling groove 108, the fourth steel plate 127 is placed into the fourth profiling groove 107, the third steel plate 126 is placed into the third profiling groove 106, the second steel plate 125 is placed into the second profiling groove 105, and the first steel plate 124 is placed into the first profiling groove 104.

[0086] The U-shaped clamp 133 is inserted into the first channel 113, the second channel 114, the third channel 115 and the fourth channel 116 from bottom to top in sequence, the top end of the U-shaped clamp 133 is locked by using the locking bolt 134, and the first steel plate 124 to the seventh steel plate 130 are bundled together.

[0087] The center bolt 145 is inserted into the center hole 117, the ninth through hole 143, the eighth through hole 142, the seventh through hole 141, the sixth through hole 140, the fifth through hole 139, the fourth through hole 138, the third through hole 137, the second through hole 136 and the first through hole 135 in sequence, and then the top end of the center bolt 145 is locked by using the nut 144, so that the first steel plate 124 to the ninth steel plate 132 are locked together, and the assembly of the semitrailer suspension is completed.

[0088] Finally, the jack is placed on the base plate 123 and is in the position directly below the center hole 117, the jack is started, the center bolt 145 is pushed up by the jack, and the assembled semitrailer suspension is slid up out of the profiling groove.

[0089] Figure 1 In the middle, A represents the left end, and B represents the right end.

[0090] In combination Figure 7 As shown, the seat body 101 has a section 146 in the middle between the left and right ends, the section 146 divides the seat body 101 into two parts, the section 146 of one part of the seat body 101 is fixedly connected with a latch 147, the section 146 of the other part of the seat body 101 is provided with a corresponding insertion hole 148, the latch 147 and the insertion hole 148 are inserted in the left-right direction, and the supporting leg 122 has elasticity.

[0091] When the supporting leg 122 is in the vertical state, the sections of the seat body 101 just contact each other without extruding each other, the lengths of the steel plates in the semitrailer suspensions with different load-bearing performances are different, but the thicknesses of the steel plates are less different, so the depth of the square groove 102 is constant and basically does not affect the use, the seat body 101 is divided into two parts and can be adjusted in the direction of approaching or moving away from each other, so as to adjust the length of the square groove 102, so as to match the semitrailer suspensions with various load-bearing performances, before each time the steel plate is put in, the two parts of the seat body 101 are moved in the direction of moving away from each other by hand to increase the length of the square groove 102, and then the steel plate is put into the profiling groove 102, after the hand is released, the supporting leg 122 can rely on the elasticity to make the two parts of the seat body 101 approach each other, when the two ends of the steel plate abut against the left and right two side walls of the square groove 102, the two parts of the seat body 101 can be limited to continue to approach each other; the steel plate first put into the square groove 102 is the ninth steel plate 132, when the length increment of the ninth steel plate 132 is the largest relative to other steel plates, then the two parts of the seat body 101 do not need to be opened by hand again after the ninth steel plate 132 is put in, which helps to improve the assembly efficiency and improve the versatility of the assembly equipment.

[0092] The above embodiments are only explanations of the present application, and are not limitations of the present application, and those skilled in the art can make modifications to the embodiments of the present application without creative contribution after reading the present specification, but as long as the modifications are within the scope of the claims of the present application, they are protected by the patent law.

Claims

1. A semi-trailer suspension assembly device, characterized in that, The system includes a base, the upper surface of which has a contour groove that matches the suspension of a semi-trailer. The lower surface of the base has an installation channel, the width of which is less than or equal to the width of which is the installation channel. The installation channel is vertically oriented and its upper end communicates with the contour groove. The base has a cross-section at the center between its left and right ends, dividing it into left and right parts. A pin is fixedly connected to one part of the cross-section, and a corresponding insertion hole is provided on the other part of the cross-section. The pin is inserted into the insertion hole in the left-right direction. The upper surface of the base is provided with a first contour groove, the lower surface of the first contour groove is provided with a second contour groove, the lower surface of the second contour groove is provided with a third contour groove, the lower surface of the third contour groove is provided with a fourth contour groove, the lower surface of the fourth contour groove is provided with a fifth contour groove, the lower surface of the fifth contour groove is provided with a sixth contour groove, the lower surface of the sixth contour groove is provided with a seventh contour groove, the lower surface of the seventh contour groove is provided with an eighth contour groove, and the lower surface of the eighth contour groove is provided with a ninth contour groove. The contouring groove is composed of the first contouring groove, the second contouring groove, the third contouring groove, the fourth contouring groove, the fifth contouring groove, the sixth contouring groove, the seventh contouring groove, the eighth contouring groove, and the ninth contouring groove; The lower surfaces of the first contour groove, the second contour groove, the third contour groove, the fourth contour groove, the fifth contour groove, the sixth contour groove, the seventh contour groove, the eighth contour groove, and the ninth contour groove are arc-shaped. The curvature centers of the lower surfaces of the first, second, third, fourth, fifth, sixth, seventh, eighth, and ninth contour grooves coincide. The curvature centers of the lower surfaces of the first, second, third, fourth, fifth, sixth, seventh, eighth, and ninth contour grooves are located above the first contour groove. The centers of the first contour groove, the second contour groove, the third contour groove, the fourth contour groove, the fifth contour groove, the sixth contour groove, the seventh contour groove, the eighth contour groove, and the ninth contour groove are located on the same vertical line; The arc length of the lower surface of the first contour groove, the arc length of the lower surface of the second contour groove, the arc length of the lower surface of the third contour groove, the arc length of the lower surface of the fourth contour groove, the arc length of the lower surface of the fifth contour groove, the arc length of the lower surface of the sixth contour groove, the arc length of the lower surface of the seventh contour groove, the arc length of the lower surface of the eighth contour groove, and the arc length of the lower surface of the ninth contour groove decrease sequentially. The sides of the first contour groove, the second contour groove, the third contour groove, the fourth contour groove, the fifth contour groove, the sixth contour groove, the seventh contour groove, the eighth contour groove, and the ninth contour groove are aligned vertically. The depths of the first contour groove, the second contour groove, the third contour groove, the fourth contour groove, the fifth contour groove, the sixth contour groove, the seventh contour groove, the eighth contour groove, and the ninth contour groove are all equal, and the depth of the first contour groove is equal to the thickness of the first steel plate. The first contour groove matches the first steel plate, the second contour groove matches the second steel plate, the third contour groove matches the third steel plate, the fourth contour groove matches the fourth steel plate, the fifth contour groove matches the fifth steel plate, the sixth contour groove matches the sixth steel plate, the seventh contour groove matches the seventh steel plate, the eighth contour groove matches the eighth steel plate, and the ninth contour groove matches the ninth steel plate. The installation channels include a first channel, a second channel, a third channel, and a fourth channel; The first channel is arranged vertically, and the upper end of the first channel is connected to the left end of the fourth contour groove. The width of the first channel is greater than the width of the fourth contour groove, and the fourth contour groove is located between the two sides of the first channel. The second channel is arranged vertically, and the upper end of the second channel is connected to the left end of the seventh contour groove. The width of the second channel is greater than the width of the seventh contour groove, and the seventh contour groove is located between the two sides of the second channel. The third channel is arranged vertically, and its upper end is connected to the right end of the seventh contour groove. The width of the third channel is greater than the width of the seventh contour groove, and the seventh contour groove is located between the two sides of the third channel. The fourth channel is arranged vertically, and the upper end of the fourth channel is connected to the right end of the fourth contour groove. The width of the fourth channel is greater than the width of the fourth contour groove, and the fourth contour groove is located between the two sides of the fourth channel. The semi-trailer suspension assembly equipment also includes support legs, which are located below the seat body, are vertically arranged, and have their upper ends fixedly connected to the lower surface of the seat body. The support legs are arranged around the center of the lower surface of the seat body. The semi-trailer suspension assembly equipment also includes a base plate, which is located below the support legs and is horizontally arranged. The lower ends of the support legs are fixedly connected to the upper surface of the base plate. The legs are elastic.

2. The semi-trailer suspension assembly equipment according to claim 1, characterized in that, The upper surface of the seat is an arc-shaped surface, and the center of curvature of the upper surface of the seat is located above the seat. The center of curvature of the upper surface of the seat coincides with the center of curvature of the first contour groove.

3. The semi-trailer suspension assembly equipment according to claim 1, characterized in that, The lower surface of the base is provided with a central hole, the central axis of which is set in the vertical direction, and the center of the central hole is located directly below the center of the ninth contour groove.

4. The semi-trailer suspension assembly equipment according to claim 1, characterized in that, The first contour groove has a first clearance opening on its side wall. The first clearance opening penetrates through the two side walls of the first contour groove in a direction perpendicular to the side wall of the first contour groove. The first clearance opening is located above the first channel, and the upper end of the first channel is connected to the first clearance opening.

5. The semi-trailer suspension assembly equipment according to claim 1, characterized in that, The first contour groove has a second clearance opening on its side wall. The second clearance opening penetrates through the two side walls of the first contour groove in a direction perpendicular to the side wall of the first contour groove. The second clearance opening is located above the second channel, and the upper end of the second channel is connected to the second clearance opening.

6. The semi-trailer suspension assembly equipment according to claim 1, characterized in that, The first contour groove has a third clearance opening on its side wall. The third clearance opening penetrates through the two side walls of the first contour groove in a direction perpendicular to the side wall of the first contour groove. The third clearance opening is located above the third channel, and the upper end of the third channel is connected to the third clearance opening.

7. The semi-trailer suspension assembly equipment according to claim 1, characterized in that, The first contour groove has a fourth clearance opening on its side wall. The fourth clearance opening penetrates through the two side walls of the first contour groove in a direction perpendicular to the side wall of the first contour groove. The fourth clearance opening is located above the fourth channel, and the upper end of the fourth channel is connected to the fourth clearance opening.

8. The semi-trailer suspension assembly equipment according to claim 1, characterized in that, The number of legs is at least three, and the length of each leg is greater than or equal to 30 centimeters.

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