A new type of side curtain box semi-trailer column

Abstract

The utility model provides a new type of side curtain box semi-trailer pillar, which is symmetrically arranged on the left and right sides of the front box assembly, and the new type of side curtain box semi-trailer pillar on the left side includes a pillar body, the pillar body is a vertical L-shaped bent plate structure as a whole, the corner of the pillar body is located on the left front side, the upper end of the pillar body is welded with a guide rail connecting member, the guide rail connecting member is provided with a plurality of first connecting holes for assembly connection with the cross beam through high-strength hinged hole bolts, and the lower side of the pillar body is provided with a plurality of second connecting holes for assembly connection with the chassis through high-strength hinged hole bolts. The utility model can be assembled with the cross beam and the chassis respectively through high-strength hinged hole bolts, without obvious local defects, with less stress concentration, ensuring connection strength, significantly improving fatigue resistance, reducing unnecessary processing links and processing difficulty, beautifying the overall appearance of the box, and greatly improving corrosion resistance and oxidation resistance.

Description

Technical Field

[0001] The utility model relates to the technical field of semi-trailers, in particular to a novel side curtain box type semi-trailer column. Background Art

[0002] With the rapid development of the logistics and transportation industry in recent years, combined with the domestic requirements for environmental protection, road bridge protection, and road transportation safety, there has been a rapid increase in demand for transportation vehicles with strong versatility and high flexibility. At the same time, considering the key factors of transportation safety, timeliness, cargo protection, and efficient loading and unloading, the curtain-side van semi-trailer is undoubtedly the best choice.

[0003] The curtain-side box semi-trailer is composed of a chassis, columns, crossbeams and curtains. The columns, as key components of the supporting structure, play a key role in the overall structure.

[0004] Traditionally, the connection between the column and the base frame and the crossbeam is a welded connection, which has obvious local defects, large stress concentration, poor fatigue resistance, and great difficulty in assembly. In addition, general columns are special-shaped profiles, which are difficult to process. The surface coating adopts the traditional spray painting process, which has poor corrosion resistance and oxidation resistance.

[0005] In order to solve the above problems, people have been seeking an ideal technical solution. Summary of the invention

[0006] The purpose of the utility model is to address the deficiencies of the prior art and thereby provide a novel side curtain box semi-trailer column. The utility model can be assembled and connected to the crossbeam and the chassis respectively through high-strength hinged hole bolts, without obvious local defects, with less stress concentration, thus ensuring the connection strength and significantly improving fatigue resistance. The column body is manufactured using an integral bending process, which reduces unnecessary processing links and processing difficulty, beautifies the overall appearance of the box, and greatly improves corrosion resistance and oxidation resistance.

[0007] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a new type of side curtain box semi-trailer pillar, which is symmetrically arranged on the left and right sides of the front box assembly, respectively. The new type of side curtain box semi-trailer pillar on the left side includes a pillar body, and the pillar body is a vertical L-shaped bent plate structure as a whole. The corner of the pillar body is located on its left front side, and a guide rail connecting component is welded to the upper end of the pillar body. The guide rail connecting component is provided with a plurality of first connecting holes for assembly connection with the cross beam through high-strength hinged hole bolts, and the lower side of the pillar body is provided with a plurality of second connecting holes for assembly connection with the chassis through high-strength hinged hole bolts.

[0008] Based on the above, the column body includes a front vertical plate and a left vertical plate, and a chamfered transition vertical plate is arranged between the front vertical plate and the left vertical plate, which is inclined from the left rear to the right front. The left side of the front vertical plate is integrally connected with the right side of the chamfered transition vertical plate, and the front side of the left vertical plate is integrally connected with the left side of the chamfered transition vertical plate. A number of second connecting holes are respectively opened on the lower sides of the front vertical plate and the left vertical plate, and a hand hole is opened on the lower side of the chamfered transition vertical plate.

[0009] The guide rail connecting component includes an L-shaped flat plate that is adapted to the cross-sectional shape of the column body, and the guide rail front base is covered and laid flat on the upper ends of the front vertical plate, the chamfered transition vertical plate and the left vertical plate, and the lower surface of the guide rail front base is welded together with the upper sides of the front vertical plate, the chamfered transition vertical plate and the left vertical plate, and the guide rail front side surrounding connecting plate is an L-shaped vertical plate with the same cross-sectional shape as the column body, and the lower side of the guide rail front side surrounding connecting plate is welded to the upper surface of the guide rail front base, and the guide rail front side surrounding connecting plate is staggered left and right from the column body and is located on the right side of the column body, and the first connecting holes are provided in two rows, upper and lower, on the left side plate of the guide rail front side surrounding connecting plate, and a number of first connecting holes are provided, spaced apart from each other, on the right side portion of the front side plate of the guide rail front side surrounding connecting plate, and a horizontal folding plate that is horizontally bent to the right is integrally formed on the upper side edge of the left side plate of the guide rail front side surrounding connecting plate.

[0010] Based on the above, the rear side of the left vertical plate is integrally formed with an L-shaped folded plate bent to the left, the corner of the L-shaped folded plate is located on its left front side, and a C-shaped external reinforcement vertical plate covering the L-shaped folded plate is provided on the left side of the rear side of the left vertical plate, the C-shaped external reinforcement vertical plate opening is set to the right, the right side edge of the front side plate of the C-shaped external reinforcement vertical plate is welded to the left side surface of the rear side of the left vertical plate, the right side edge of the rear side plate of the C-shaped external reinforcement vertical plate is bent forward and enclosed with the L-shaped folded plate to form a square tube, and the left side of the C-shaped external reinforcement vertical plate A mounting hole is opened at the lower side of the plate at the corresponding second connecting hole covered by the lower side of the left vertical plate, and the diameter of the mounting hole is larger than the diameter of the corresponding second connecting hole. The left side surface of the left plate of the L-shaped folded plate is welded to the right side surface of the left plate of the C-shaped external reinforcement vertical plate, and a front plate fixing plate is vertically welded to the right side of the middle part of the rear side surface of the front vertical plate. The front plate fixing plate is an angle plate with the folded angle located on its left rear side, and a column reinforcement vertical plate parallel to the front vertical plate is welded between the front plate fixing plate and the chamfered transition vertical plate.

[0011] Based on the above, the front vertical plate, chamfered transition vertical plate, left vertical plate, guide rail front base, guide rail front edge connecting plate, L-shaped folded plate, C-shaped external reinforcement vertical plate, front plate fixing plate and column reinforcement vertical plate are all hot-dip galvanized plates.

[0012] The utility model has substantial characteristics and progress compared with the prior art. Specifically, compared with conventional columns on the market, the utility model has the following advantages: a guide rail connecting member is welded on the upper end of the column body, and the guide rail connecting member is provided with a plurality of first connecting holes for assembly connection with the cross beam through high-strength hinged hole bolts, and a plurality of second connecting holes for assembly connection with the chassis through high-strength hinged hole bolts are provided on the lower side of the column body. In this way, the column body can be assembled with the cross beam and the chassis through high-strength hinged hole bolts, respectively. Compared with the traditional welding connection, there will be no obvious local defects, the stress concentration is small, the connection strength is guaranteed, and the fatigue resistance is significantly improved. At the same time, the column body is a vertical L-shaped bent plate structure as a whole, and the column body is made by an integral bending process, which reduces the redundant processing links and processing difficulty, beautifies the overall appearance of the body, and makes the side curtain box semi-trailer body more simple and generous.

[0013] Furthermore, the front vertical plate, chamfered transition vertical plate, left vertical plate, guide rail front base, guide rail front edge connecting plate, L-shaped folding plate, C-shaped external reinforcement vertical plate, front plate fixing plate and column reinforcement vertical plate are all hot-dip galvanized plates, that is, the entire surface of the column is coated with hot-dip galvanizing process, which greatly improves the corrosion and oxidation resistance, far superior to traditional coating process.

[0014] Furthermore, the rear side of the left upright plate is integrally formed with an L-shaped folded plate bent to the left. At the same time, a C-shaped external reinforcement upright plate covering the L-shaped folded plate is welded to the left side of the rear side of the left upright plate. A column reinforcement upright plate parallel to the front upright plate is welded between the front plate fixing plate and the chamfered transition upright plate. The arrangement of these structures will not have a significant impact on the vehicle's own weight while ensuring the overall strength of the car body. The structure is simple and easy to process. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front view of the utility model.

[0016] Figure 2 It is a left view of the utility model.

[0017] Figure 3 It is a top view of the utility model.

[0018] Figure 4 yes Figure 1 AA section view.

[0019] In the figure: 1. column body; 2. first connecting hole; 3. second connecting hole; 4. guide rail connecting member; 5. hand hole; 6. C-shaped external reinforcement plate; 601. mounting hole; 401. guide rail front base; 402. guide rail front side connecting plate; 403. horizontal folding plate; 10201. L-shaped folding plate; 10101. front plate fixing plate; 10102. column reinforcement plate. DETAILED DESCRIPTION

[0020] The technical solution of the utility model is further described in detail below through specific implementation methods.

[0021] like Figure 1-4 As shown, a new type of side curtain box semi-trailer pillar is symmetrically arranged on the left and right sides of the front box assembly, and the new type of side curtain box semi-trailer pillar on the left side includes a pillar body 1. The pillar body 1 is a vertical L-shaped bent plate structure as a whole. The corner of the pillar body 1 is located on the left front side. A guide rail connecting member 4 is welded to the upper end of the pillar body 1. The guide rail connecting member 4 is provided with a plurality of first connecting holes 2 for assembly connection with the cross beam through high-strength hinged hole bolts, and the lower side of the pillar body 1 is provided with a plurality of second connecting holes 3 for assembly connection with the chassis through high-strength hinged hole bolts.

[0022] The column body 1 includes a front vertical plate 101 and a left vertical plate 102, and a chamfered transition vertical plate 103 is arranged between the front vertical plate 101 and the left vertical plate 102, which is tilted from the left rear to the right front. The left side of the front vertical plate 101 is integrally connected with the right side of the chamfered transition vertical plate 103, and the front side of the left vertical plate 102 is integrally connected with the left side of the chamfered transition vertical plate 103. A plurality of second connecting holes 3 are respectively opened on the lower side of the front vertical plate 101 and the left vertical plate 102, and a hand hole 5 is opened on the lower side of the chamfered transition vertical plate 103 (to facilitate the insertion of hands or tools to install high-strength hinged hole bolts).

[0023] The guide rail connecting member 4 includes a guide rail front base 401 and a guide rail front side connecting plate 402. The guide rail front base 401 is an L-shaped flat plate that matches the cross-sectional shape of the column body 1. The guide rail front base 401 covers and is laid flat on the upper ends of the front vertical plate 101, the chamfered transition vertical plate 103 and the left vertical plate 102. The lower surface of the guide rail front base 401 is welded to the upper side of the front vertical plate 101, the chamfered transition vertical plate 103 and the left vertical plate 102. The guide rail front side connecting plate 402 is an L-shaped vertical plate with the same cross-sectional shape as the column body 1. The lower side of the side surround connecting plate 402 is welded to the upper surface of the guide rail front base 401, the guide rail front side surround connecting plate 402 is staggered left and right from the column body 1 and is located on the right side of the column body 1, and the first connecting holes 2 are provided in two rows up and down on the left side plate of the guide rail front side surround connecting plate 402, and a number of first connecting holes 2 are provided at intervals up and down on the right side of the front side plate of the guide rail front side surround connecting plate 402, and the upper side of the left side plate of the guide rail front side surround connecting plate 402 is integrally formed with a horizontal folding plate 403 horizontally bent to the right (to enhance structural strength and aesthetics).

[0024] The rear side of the left vertical plate 102 is integrally formed with an L-shaped folded plate 10201 bent to the left, and the corner of the L-shaped folded plate 10201 is located on its left front side. The left side of the rear side of the left vertical plate 102 is provided with a C-shaped external reinforcement vertical plate 6 covering the L-shaped folded plate 10201. The opening of the C-shaped external reinforcement vertical plate 6 is set to the right, and the right side of the front side plate of the C-shaped external reinforcement vertical plate 6 is welded to the left side surface of the rear side of the left vertical plate 102. The right side of the rear side plate of the C-shaped external reinforcement vertical plate 6 is bent forward and enclosed with the L-shaped folded plate 10201 to form a square tube. The lower side of the left side plate of the C-shaped external reinforcement vertical plate 6 corresponds to the corresponding second connection hole 3 covered by the lower side of the left vertical plate 102. A mounting hole 601 is provided (used to install a high-strength hinged hole bolt into the corresponding second connecting hole 3 to connect the lower side of the left vertical plate 102 to the base frame), the diameter of the mounting hole 601 is larger than the diameter of the corresponding second connecting hole 3, the left side surface of the left plate of the L-shaped folding plate 10201 is welded to the right side surface of the left plate of the C-shaped external reinforcement vertical plate 6, and a front plate fixing plate 10101 is vertically welded to the right side of the middle part of the rear side surface of the front vertical plate 101, the front plate fixing plate 10101 is an angle plate with the folded angle located on its left rear side, and a column reinforcement vertical plate 10102 parallel to the front vertical plate 101 is welded between the front plate fixing plate 10101 and the chamfered transition vertical plate 103.

[0025] The front vertical plate 101, the chamfered transition vertical plate 103, the left vertical plate 102, the guide rail front base 401, the guide rail front edge connecting plate 402, the L-shaped folding plate 10201, the C-shaped outer reinforcement vertical plate 6, the front plate fixing plate 10101 and the column reinforcement vertical plate 10102 are all hot-dip galvanized plates.

[0026] Compared with conventional columns on the market, the utility model has the following advantages: the upper end of the column body 1 is welded with a guide rail connecting member 4, and the guide rail connecting member 4 is provided with a plurality of first connecting holes 2 for assembly connection with the cross beam through high-strength hinged hole bolts, and the lower side of the column body 1 is provided with a plurality of second connecting holes 3 for assembly connection with the chassis through high-strength hinged hole bolts. In this way, the column body 1 can be assembled with the cross beam and the chassis respectively through high-strength hinged hole bolts. Compared with the traditional welding connection, there will be no obvious local defects, the stress concentration is small, the connection strength is guaranteed, and the fatigue resistance is significantly improved. At the same time, the column body 1 is a vertical L-shaped bent plate structure as a whole, and the column body 1 is made by an overall bending process, which reduces the redundant processing links and processing difficulty, beautifies the overall appearance of the body, and makes the body of the side curtain box semi-trailer more simple and generous.

[0027] Furthermore, the front vertical plate 101, the chamfered transition vertical plate 103, the left vertical plate 102, the guide rail front base 401, the guide rail front edge connecting plate 402, the L-shaped folding plate 10201, the C-shaped external reinforcement vertical plate 6, the front plate fixing plate 10101 and the column reinforcement vertical plate 10102 are all hot-dip galvanized plates, that is, the entire surface of the column is coated with a hot-dip galvanizing process, which greatly improves the corrosion and oxidation resistance, far superior to the traditional coating process.

[0028] Furthermore, the rear side of the left vertical plate 102 is integrally formed with an L-shaped folded plate 10201 bent to the left. At the same time, a C-shaped external reinforcement vertical plate 6 covering the L-shaped folded plate 10201 is welded to the left side of the rear side of the left vertical plate 102, and a column reinforcement vertical plate 10102 parallel to the front vertical plate 101 is welded between the front plate fixing plate 10101 and the chamfered transition vertical plate 103. The arrangement of these structures will not have a significant impact on the vehicle's own weight while ensuring the overall strength of the car body. The structure is simple and easy to process.

[0029] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the relevant field should understand that the specific implementation methods of the utility model can still be modified or some technical features can be replaced by equivalents without departing from the spirit of the technical solution of the utility model, which should be included in the scope of the technical solution for protection of the utility model.

Claims

1. A novel side curtain box semi-trailer pillar, which is symmetrically arranged on the left and right sides of the front box assembly, and is characterized by: The new-type side curtain box semi-trailer pillar on the left includes a pillar body. The pillar body is a vertical L-shaped bent plate structure as a whole. The corner of the pillar body is located on its left front side. A guide rail connecting component is welded to the upper end of the pillar body. The guide rail connecting component is provided with a plurality of first connecting holes for assembly connection with the cross beam through high-strength hinged hole bolts. The lower side of the pillar body is provided with a plurality of second connecting holes for assembly connection with the chassis through high-strength hinged hole bolts.

2. The novel side curtain box semi-trailer pillar according to claim 1 is characterized in that: The column body includes a front vertical plate and a left vertical plate, and a chamfered transition vertical plate is arranged obliquely from left rear to right front between the front vertical plate and the left vertical plate. The left side of the front vertical plate is integrally connected with the right side of the chamfered transition vertical plate, and the front side of the left vertical plate is integrally connected with the left side of the chamfered transition vertical plate. A plurality of second connecting holes are respectively opened on the lower sides of the front vertical plate and the left vertical plate, and a hand hole is opened on the lower side of the chamfered transition vertical plate.

3. The novel side curtain box semi-trailer pillar according to claim 2 is characterized in that: The guide rail connecting component includes a guide rail front base and a guide rail front side enclosure connecting plate, the guide rail front base is an L-shaped flat plate adapted to the cross-sectional shape of the column body, the guide rail front base covers and is laid flat on the upper ends of the front vertical plate, the chamfered transition vertical plate and the left vertical plate, the lower surface of the guide rail front base is welded together with the upper sides of the front vertical plate, the chamfered transition vertical plate and the left vertical plate, the guide rail front side enclosure connecting plate is an L-shaped vertical plate with the same cross-sectional shape as the column body, the lower side of the guide rail front side enclosure connecting plate is welded to the upper surface of the guide rail front base, the guide rail front side enclosure connecting plate is staggered left and right from the column body and is located on the right side of the column body, the first connecting holes are opened in two rows, upper and lower, on the left side plate of the guide rail front side enclosure connecting plate, the first connecting holes are opened in two rows, upper and lower, on the right side part of the front side plate of the guide rail front side enclosure connecting plate, a plurality of first connecting holes are spaced apart from each other, and a horizontal folding plate that is horizontally bent to the right side is integrally formed on the upper side edge of the left side plate of the guide rail front side enclosure connecting plate.

4. The novel side curtain box semi-trailer pillar according to claim 3 is characterized in that: The rear side of the left vertical plate is integrally formed with an L-shaped folded plate bent to the left, the folded corner of the L-shaped folded plate is located on its left front side, the left side of the rear side of the left vertical plate is provided with a C-shaped external reinforcement vertical plate covering the L-shaped folded plate, the C-shaped external reinforcement vertical plate is opened to the right, the right side of the front side plate of the C-shaped external reinforcement vertical plate is welded to the left side surface of the rear side of the left vertical plate, the right side of the rear side plate of the C-shaped external reinforcement vertical plate is bent forward and enclosed with the L-shaped folded plate to form a square tube, and the lower side of the left side plate of the C-shaped external reinforcement vertical plate A mounting hole is opened at the corresponding second connecting hole covered on the lower side of the left vertical plate, and the diameter of the mounting hole is larger than the diameter of the corresponding second connecting hole. The left side surface of the left plate of the L-shaped folded plate is welded to the right side surface of the left plate of the C-shaped external reinforcement vertical plate, and a front plate fixing plate is vertically welded to the right side of the middle part of the rear side surface of the front vertical plate. The front plate fixing plate is an angle plate with a folded angle located on its left rear side, and a column reinforcement vertical plate parallel to the front vertical plate is welded between the front plate fixing plate and the chamfered transition vertical plate.

5. The novel side curtain box semi-trailer pillar according to claim 4 is characterized in that: The front vertical plate, chamfered transition vertical plate, left vertical plate, guide rail front base, guide rail front edge connecting plate, L-shaped folded plate, C-shaped external reinforcement vertical plate, front plate fixing plate and column reinforcement vertical plate are all hot-dip galvanized plates.

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