Semitrailer carriage top tension brace structure

Abstract

A semitrailer carriage top tension brace structure comprises a plurality of plug-in type transverse tension brace assemblies, the plug-in type transverse tension brace assemblies are arranged at the top of a carriage front and back at intervals and correspond to middle stand columns on the left side and the right side of the carriage in a one-to-one mode respectively, and the left ends of the plug-in type transverse tension brace assemblies are correspondingly inserted into the top ends of the middle stand columns on the left side respectively. The right ends of all the plug-in type transverse tension brace assemblies are correspondingly inserted into the top ends of all the middle stand columns on the right side respectively; longitudinal tarpaulin rods are connected between the upper side wall of the front compartment assembly and the foremost plug-in type transverse tension brace assembly, between every two adjacent plug-in type transverse tension brace assemblies and between the rearmost plug-in type transverse tension brace assembly and the upper side wall of the rear compartment assembly respectively. The problems that a compartment of the stake semitrailer expands and water is accumulated on the top of the tarpaulin can be solved, it is guaranteed that the tarpaulin is convenient to disassemble and assemble, labor is saved, and loading and unloading are not affected.

Description

Technical Field

[0001] The utility model relates to the technical field of semi-trailers, and specifically, to a tension structure at the top of a semi-trailer carriage. Background Art

[0002] The bulkhead semi-trailer is mainly used for the transportation of agricultural and sideline products and other light and bulky goods. With its advantages of large loading capacity, fast transportation, convenient disassembly, wide application, and low investment cost, it has developed rapidly and been widely used, and is one of the main equipment for road transportation. According to the requirements of GB7258-2017, a ceiling rod needs to be installed on the top of the bulkhead semi-trailer. At the same time, during transportation, in order to prevent theft, dust, and rain, a tarpaulin also needs to be covered on the ceiling rod at the top of the bulkhead semi-trailer. However, during the transportation of the bulkhead semi-trailer, the carriage will expand, and the tarpaulin will sag between two adjacent transverse tarpaulin rods on the ceiling rod. Then, when it rains, water will accumulate on the top of the tarpaulin, and it is inconvenient and laborious to disassemble and assemble the tarpaulin.

[0003] In order to solve the above existing problems, people have been seeking an ideal technical solution. Summary of the Invention

[0004] The purpose of the utility model is to overcome the deficiencies of the prior art, and thus provide a tension structure at the top of a semi-trailer carriage. The utility model can solve the problems of carriage expansion and water accumulation on the top of the tarpaulin of the bulkhead semi-trailer, and ensure that the tarpaulin is convenient and labor-saving to disassemble and assemble, without affecting the loading and unloading of goods.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is: a tension structure at the top of a semi-trailer carriage, including a plurality of plug-in transverse tension assemblies. Each plug-in transverse tension assembly is arranged at the top of the carriage at intervals front and back and is respectively arranged corresponding to each middle column on the left and right sides of the carriage. The left ends of each plug-in transverse tension assembly are respectively inserted and connected to the tops of the middle columns on the left side, and the right ends of each plug-in transverse tension assembly are respectively inserted and connected to the tops of the middle columns on the right side. A longitudinal tarpaulin rod is connected between the upper perimeter of the front carriage assembly and the frontmost plug-in transverse tension assembly, between two adjacent plug-in transverse tension assemblies, and between the rearmost plug-in transverse tension assembly and the upper perimeter of the rear carriage assembly.

[0006] Based on the above, a front socket assembly is arranged inside the upper perimeter of the front carriage assembly, and a rear socket assembly is arranged inside the upper perimeter of the rear carriage assembly. The front socket assembly and the rear socket assembly have the same structure;

[0007] The front socket assembly includes two fixed sleeves. The two fixed sleeves are coaxial and horizontally arranged in the left-right direction. The two fixed sleeves are arranged at intervals left and right and are welded to the middle part on the right side inside the upper perimeter of the front carriage assembly. A rotating shaft is rotatably connected coaxially between the two fixed sleeves, and a vertically arranged first insertion pipe seat is welded to the upper side of the middle part of the rotating shaft.

[0008] Based on the above, the plug-in horizontal stay assembly includes a straight stay and two stay plug-in elbows. The straight stay is horizontally arranged in the left-right direction and is a round tube. The two stay plug-in elbows have the same structure and are symmetrically arranged on both ends of the straight stay in the left-right direction. The right end of the horizontal section of the left stay plug-in elbow is coaxially plugged into the left end of the straight stay and has an interference fit. The left end of the horizontal section of the left stay plug-in elbow bends downward and is integrally formed and connected to the upper end of its vertical section. The lower end of the vertical section of the left stay plug-in elbow is pluggably installed at the top of a corresponding left middle pillar. The left end of the horizontal section of the right stay plug-in elbow is coaxially plugged into the right end of the straight stay and has an interference fit. The right end of the horizontal section of the right stay plug-in elbow bends downward and is integrally formed and connected to the upper end of its vertical section. The lower end of the vertical section of the right stay plug-in elbow is pluggably installed at the top of a corresponding right middle pillar. A sliding sleeve is coaxially and slidably sleeved on the straight stay, and two vertically arranged second socket tubes are welded to the upper side of the sliding sleeve at intervals in the left-right direction.

[0009] Based on the above, vertical tent poles are formed at both ends by bending downward, and tent pole plugs are vertically arranged and are adapted to be plugged into the first socket tubes and the second socket tubes.

[0010] The tent pole plugs at both ends of the vertical tent pole between the upper perimeter of the front compartment assembly and the foremost plug-in horizontal stay assembly are respectively plugged and matched in the first socket tubes of the front socket assembly and one of the second socket tubes of the foremost plug-in horizontal stay assembly.

[0011] The tent pole plugs at both ends of the vertical tent pole between two adjacent plug-in horizontal stay assemblies are respectively plugged and matched in one of the second socket tubes corresponding to the front and back of the two adjacent plug-in horizontal stay assemblies.

[0012] The tent pole plugs at both ends of the vertical tent pole between the rearmost plug-in horizontal stay assembly and the upper perimeter of the rear compartment assembly are respectively plugged and matched in one of the second socket tubes of the rearmost plug-in horizontal stay assembly and the first socket tubes of the rear socket assembly.

[0013] Based on the above, a stay fixing socket tube that is plugged and matched with the lower end of the vertical section of the stay plug-in elbow is fixedly arranged inside the top of the middle pillar.

[0014] The utility model has substantial features and progress compared with the prior art. Specifically, the utility model is designed on the premise of not changing the appearance of the carriage and meeting the requirements of GB7258-2017. A plug-in type transverse bracing assembly is installed at the top of two corresponding middle vertical columns on the left and right. The plug-in type transverse bracing assembly connects the two corresponding middle vertical columns on the left and right, enhancing the strength of the carriage, and can solve the problem of the carriage expansion of the semi-trailer with a barn-type body. At the same time, a longitudinal awning rod is connected between the upper perimeter of the front carriage assembly and the frontmost plug-in type transverse bracing assembly, between two adjacent plug-in type transverse bracing assemblies, and between the rearmost plug-in type transverse bracing assembly and the upper perimeter of the rear carriage assembly. The longitudinal awning rod is placed in the middle of the top of the ceiling rod. The longitudinal awning rod can support the awning cloth, avoiding the depression of the awning cloth between two adjacent transverse awning rods of the ceiling rod, solving the problem of water accumulation on the top of the awning cloth, and ensuring the convenience and labor-saving of the disassembly and assembly of the awning cloth.

[0015] Furthermore, when loading and unloading goods, the frontmost and rearmost longitudinal awning rods can be pulled out. The remaining longitudinal awning rods in the middle can then move left or right on the corresponding straight bracing through the corresponding sliding sleeves, and the remaining longitudinal awning rods in the middle can be uniformly moved to one side of the carriage, without disassembly and without affecting the loading and unloading of goods.

[0016] The utility model has a novel structure, simple production technology, and high single-vehicle efficiency, meeting the specific market requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic structural view of the utility model.

[0018] Figure 2 is a top view of the utility model.

[0019] Figure 3 is Figure 1 a partial enlarged view at A in

[0020] Figure 4 is Figure 2 a partial enlarged view at B in

[0021] Figure 5 is a schematic structural view of the plug-in type transverse bracing assembly of the utility model.

[0022] In the figure: 1. Middle vertical column; 2. Longitudinal awning rod; 3. Fixed sleeve; 4. Rotating shaft; 5. First socket for inserting a pipe; 6. Straight bracing; 7. Bracing socket for inserting and connecting; 8. Sliding sleeve; 9. Second socket for inserting a pipe; 10. Plug of awning rod; 11. Bracing fixed socket; 12. Front carriage assembly; 13. Rear carriage assembly. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] The following further describes the technical solutions of the utility model in detail through specific embodiments.

[0024] As Figures 1-5 shown, a tension structure at the top of a semi-trailer carriage includes a number of plug-in horizontal tension assemblies. Each plug-in horizontal tension assembly is arranged at the top of the carriage at intervals in the front and rear direction and is respectively arranged corresponding to each middle vertical column 1 on the left and right sides of the carriage. The left ends of each plug-in horizontal tension assembly are respectively plugged into the tops of the middle vertical columns 1 on the left side, and the right ends of each plug-in horizontal tension assembly are respectively plugged into the tops of the middle vertical columns 1 on the right side. A longitudinal awning rod 2 is connected between the upper perimeter of the front carriage assembly and the frontmost plug-in horizontal tension assembly, between two adjacent plug-in horizontal tension assemblies, and between the rearmost plug-in horizontal tension assembly and the upper perimeter of the rear carriage assembly. The plug-in horizontal tension assembly can tie two corresponding middle vertical columns 1 on the left and right, enhancing the strength of the carriage and being able to solve the problem of the carriage swelling of the bulkhead semi-trailer. The longitudinal awning rod 2 is placed in the middle at the top of the roof rod. The longitudinal awning rod 2 can support the awning cloth, avoiding the depression of the awning cloth between two adjacent horizontal awning rods on the roof rod, solving the problem of water accumulation on the top of the awning cloth, and ensuring the convenient disassembly and installation of the awning cloth with less effort.

[0025] In this embodiment, a front socket assembly is arranged inside the upper perimeter of the front carriage assembly, and a rear socket assembly is arranged inside the upper perimeter of the rear carriage assembly. The front socket assembly and the rear socket assembly have the same structure;

[0026] The front socket assembly includes two fixed sleeves 3. The two fixed sleeves 3 are coaxial and horizontally arranged in the left-right direction. The two fixed sleeves 3 are arranged at intervals in the left-right direction and are welded at the middle and right side inside the upper perimeter of the front carriage assembly. A rotating shaft 4 is rotatably connected coaxially between the two fixed sleeves 3. A vertically arranged first insertion pipe seat 5 is welded on the upper side of the middle of the rotating shaft 4. When the longitudinal awning rod 2 is not plugged in, the first insertion pipe seat 5 can be flipped downward through the rotating shaft 4, and when in use, the first insertion pipe seat 5 can be flipped upward through the rotating shaft 4, and then one end of the longitudinal awning rod 2 can be plugged into the first insertion pipe seat 5.

[0027] In this embodiment, the plug-in horizontal stay assembly includes a straight stay 6 and two stay plug-in elbows 7. The straight stay 6 is horizontally arranged in the left-right direction. The straight stay 6 is a round tube. The two stay plug-in elbows 7 have the same structure and are symmetrically arranged on the left and right ends of the straight stay 6. The right end of the horizontal section of the left stay plug-in elbow 7 is coaxially inserted into the left end of the straight stay 6 and has an interference fit. The left end of the horizontal section of the left stay plug-in elbow 7 bends downward and is integrally formed and connected to the upper end of its vertical section. The lower end of the vertical section of the left stay plug-in elbow 7 is pluggably installed at the top of a corresponding left middle column 1. The left end of the horizontal section of the right stay plug-in elbow 7 is coaxially inserted into the right end of the straight stay 6 and has an interference fit. The right end of the horizontal section of the right stay plug-in elbow 7 bends downward and is integrally formed and connected to the upper end of its vertical section. The lower end of the vertical section of the right stay plug-in elbow 7 is pluggably installed at the top of a corresponding right middle column 1. A sliding sleeve 8 is coaxially and slidably sleeved on the straight stay 6. Two vertically arranged second socket pipe seats 9 that are spaced left and right are welded to the upper side of the sliding sleeve 8.

[0028] In this embodiment, vertical bar plugs 10 that are vertically arranged and adapted to be plugged into the first socket pipe seat 5 and the second socket pipe seat 9 are formed by bending the two ends of the longitudinal awning bar 2 downward.

[0029] The vertical bar plugs 10 at the two ends of the longitudinal awning bar 2 between the upper perimeter of the front compartment assembly and the frontmost plug-in horizontal stay assembly are respectively plugged and matched into the first socket pipe seat 5 of the front socket assembly and one of the second socket pipe seats 9 of the frontmost plug-in horizontal stay assembly.

[0030] The vertical bar plugs 10 at the two ends of the longitudinal awning bar 2 between two adjacent plug-in horizontal stay assemblies are respectively plugged and matched into one of the second socket pipe seats 9 that correspond to each other front and back of the two adjacent plug-in horizontal stay assemblies.

[0031] The vertical bar plugs 10 at the two ends of the longitudinal awning bar 2 between the rearmost plug-in horizontal stay assembly and the upper perimeter of the rear compartment assembly are respectively plugged and matched into one of the second socket pipe seats 9 of the rearmost plug-in horizontal stay assembly and the first socket pipe seat 5 of the rear socket assembly.

[0032] In this embodiment, a stay fixing pipe seat 11 that is plugged and matched with the lower end of the vertical section of the stay plug-in elbow 7 is fixedly arranged inside the top of the middle column 1.

[0033] In this embodiment, the left and right positions of the second socket pipe seat 9 can be adjusted through the sliding sleeve 8, and thus the left and right positions of the longitudinal awning bar 2 can be adjusted. When loading and unloading goods, there is no need to disassemble the longitudinal awning bar 2. Only the frontmost and rearmost longitudinal awning bars 2 need to be pulled out, and the remaining longitudinal awning bars 2 in the middle can be uniformly moved to one side of the carriage to the left or right, which does not affect the loading and unloading of goods.

[0034] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it; although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that it is still possible to modify the specific implementation manners of the present invention or perform equivalent replacements on some technical features; without departing from the spirit of the technical solutions of the present invention, they should all be covered within the scope of the technical solutions claimed by the present invention.

Claims

1. A top bracing structure for a semi-trailer compartment, characterized in that: It comprises a plurality of plug-in transverse brace assemblies, each of which is arranged at intervals on the top of the carriage at front and rear intervals and corresponds to each center pillar on the left and right sides of the carriage respectively, the left end of each plug-in transverse brace assembly is respectively connected to the top of each center pillar on the left side, the right end of each plug-in transverse brace assembly is respectively connected to the top of each center pillar on the right side, a longitudinal canopy rod is connected between the upper side surround of the front compartment assembly and the frontmost plug-in transverse brace assembly, between two adjacent plug-in transverse brace assemblies, and between the rearmost plug-in transverse brace assembly and the upper side surround of the rear compartment assembly.

2. The top bracing structure of a semitrailer compartment according to claim 1 is characterized in that: A front socket assembly is arranged inside the upper side surround of the front compartment assembly, and a rear socket assembly is arranged inside the upper side surround of the rear compartment assembly. The front socket assembly and the rear socket assembly have the same structure. The front socket assembly includes two fixed sleeves, which are coaxial and horizontally arranged in the left and right directions. The two fixed sleeves are arranged at intervals on the left and right and are welded to the right side of the middle part of the inner side of the upper side of the front compartment assembly. A rotating shaft is coaxially connected between the two fixed sleeves, and a vertically arranged first plug-in pipe socket is welded to the upper middle side of the rotating shaft.

3. The top bracing structure of a semitrailer compartment according to claim 2 is characterized in that: The plug-in type horizontal brace assembly includes a straight brace and two brace plug-in elbows. The straight brace is horizontally arranged in the left and right directions. The straight brace is a round tube. The two brace plug-in elbows have the same structure and are symmetrically arranged at both ends of the straight brace. The right end of the horizontal section of the left brace plug-in elbow is coaxially plugged into the left end of the straight brace and has an interference fit. The left end of the horizontal section of the left brace plug-in elbow is bent downward and connected to the upper end of its vertical section in one piece. The lower end of the vertical section of the left brace plug-in elbow is plug-in installed on the At the top of a middle column on the corresponding left side, the left end of the horizontal section of the right-side tension support plug-in elbow is coaxially plugged into the right end of the straight tension support and has an interference fit, the right end of the horizontal section of the right-side tension support plug-in elbow is bent downward and connected integrally with the upper end of its vertical section, the lower end of the vertical section of the right-side tension support plug-in elbow is plug-in installed on the top of a middle column on the corresponding right side, and a coaxial sliding sleeve is provided on the straight tension support, and two second plug-in pipe sockets spaced left and right and vertically arranged are welded on the upper side of the sliding sleeve.

4. The top bracing structure of a semitrailer compartment according to claim 3 is characterized in that: Both ends of the longitudinal canopy rod are bent downward to form a canopy rod plug which is vertically arranged and adapted to be plugged into the first plug-in pipe seat and the second plug-in pipe seat; The rod plugs at both ends of the longitudinal rod between the upper side of the front compartment assembly and the plug-in transverse brace assembly on the front side are respectively matched and plugged into the first plug-in pipe socket of the front socket assembly and a second plug-in pipe socket of the plug-in transverse brace assembly on the front side; The rod plugs at both ends of the longitudinal rod between two adjacent plug-in transverse brace assemblies are respectively matched and plugged into a second plug-in pipe socket corresponding to the front and rear of the two adjacent plug-in transverse brace assemblies; The rod plugs at both ends of the longitudinal rod between the rearmost plug-in transverse support assembly and the upper side surround of the rear compartment assembly are respectively matched and plugged into a second plug-in pipe socket of the rearmost plug-in transverse support assembly and a first plug-in pipe socket of the rear socket assembly.

5. The semi-trailer compartment top bracing structure according to claim 3, characterized in that: A tensioning and fixing pipe seat which is plug-matched with the lower end of the vertical section of the tensioning and plug-jointing elbow is fixedly arranged inside the top end of the middle column.

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