Mobile column and curtain side box semi-trailer

Abstract

The utility model provides a mobile column and a side curtain box semi-trailer, comprising a sliding head, a sliding head connecting plate, a column base plate and a column base, wherein the sliding head connecting plate is adjustably connected to the top of the column base plate by bolts, the sliding head is movably connected to the top of the sliding head connecting plate, the lower end of the column base plate is provided with a column plug-in assembly installation cavity, the column plug-in assembly is provided in the column plug-in assembly installation cavity, and the bottom of the column plug-in assembly can be plugged into the column base. The mobile column can quickly disassemble and move the semi-trailer column, and can adjust the column length according to the actual position, thereby increasing the flexibility of the column during movement.

Description

Technical Field

[0001] The utility model relates to the field of semitrailer pillars, in particular to a mobile pillar and side curtain box type semitrailer. Background Art

[0002] The curtain-side van semi-trailer is a vehicle that can be loaded and unloaded quickly through the use of deployable side curtains, retractable top cloth, movable side van columns, and detachable cargo crossbars on the columns. It can not only realize the rainproof transportation of van semi-trailers and fully sealed transportation of various types of goods, but also has the convenience of fast loading and unloading of flatbed semi-trailers, and at the same time meets the requirements of lightweight freight trucks. Among them, the movable columns in the curtain-side van semi-trailer must be easy to plug in and out quickly, easy and labor-saving when inserted, and safe and firm after locking, and must also take into account the lightweight requirements of the transport vehicle and easy operation.

[0003] The utility model patent with authorization announcement number CN214985055U discloses a movable column for a side curtain semi-trailer, including a semi-trailer, four groups of movable columns are arranged at the bottom end of the semi-trailer, the bottom end of the semi-trailer is connected to the top end of the four groups of movable columns, the bottom ends of the four groups of movable columns are all provided with movable rollers, the front end of the semi-trailer is provided with a front opening, the front top and bottom ends of the inner cavity of the semi-trailer are both provided with slide rails, the front top and bottom ends of the inner cavity of the semi-trailer are respectively connected to the two groups of slide rails, three groups of locking plates are arranged on the left side of the connecting frame, the left side of the connecting frame is connected to the right side of the three groups of locking plates, the three groups of locking plates pass through the right opening of the locking frame, three groups of locking grooves are arranged on the rebound sleeve, the three groups of locking plates respectively resist the locking grooves on the rebound sleeve, and the three groups of locking plates are provided with blocking frames, which are respectively connected to the three groups of blocking frames. The movable column of the side curtain semi-trailer can make it easy for workers to install and retract the soft curtain, thereby improving practicality. However, the movable column of the side curtain semi-trailer needs to rely on a retracting mechanism to move, has a complex structure and a fixed column size, is prone to getting stuck during movement, and is inconvenient to adjust. Utility Model Content

[0004] In order to enable the semi-trailer column to be quickly disassembled and moved, and to adjust the column length according to the actual position, and to increase the flexibility of the column during movement, the technical solution adopted by the utility model is: a mobile column, including a sliding head, a sliding head connecting plate, a column base plate and a column base, the sliding head connecting plate is adjustably connected to the top of the column base plate through bolts, and the sliding head is movably connected to the top of the sliding head connecting plate;

[0005] A column plug-in board assembly installation cavity is arranged at the lower end of the column base plate, a column plug-in board assembly is arranged in the column plug-in board assembly installation cavity, and the bottom of the column plug-in board assembly can be plugged into the column base.

[0006] Based on the above, in order to facilitate the insertion and removal of the column, the column plug plate assembly includes a column plug plate shell, the top of the column plug plate shell is hinged with a handle connecting rod, the bottom of the handle connecting rod is hinged with a triangular force plate, and the bottom of the triangular force plate is hinged with a plug plate that can be inserted into the column base.

[0007] Based on the above, in order to avoid jamming, interference and other phenomena during the plugging and unplugging process, a handle is provided on the outside of the triangular force plate, a plug plate guide sleeve is provided at the bottom of the column plug plate housing, and a spring is provided above the plug plate guide sleeve.

[0008] Based on the above, in order to temporarily support the column during the plugging and unplugging process and improve operational safety, a support plate is hinged on the outside of the column plug plate shell, and a support pin is provided at the bottom of the support plate.

[0009] Based on the above, in order to facilitate temporary support, a support groove is opened on one side of the column base.

[0010] Based on the above, in order to install the carriage railings and baffles, a plurality of brackets are arranged on the column base plate from top to bottom.

[0011] Based on the above, in order to facilitate adjustable connection with the sliding head connecting plate, the column base plate is a U-shaped plate, a sealing plate is provided on the top of the U-shaped plate, and the U-shaped plate and the sealing plate together form a connecting cavity.

[0012] Based on the above, in order to avoid interference during the plugging and unplugging process, a clearance groove is opened on the side wall of the installation cavity of the column plugging plate assembly.

[0013] Based on the above, in order to ensure that the sliding head is movably connected to the top of the sliding head connecting plate so that there is a certain amount of activity and adjustment between the two, the sliding head includes a T-type plate, a pulley group is rotatably arranged on the upper part of the T-type plate, and a limiting bolt group is arranged on the lower part of the T-type plate.

[0014] The utility model also provides a curtain-side box type semitrailer, which is equipped with the above-mentioned movable column.

[0015] The utility model has substantial characteristics and progress compared with the prior art. Specifically, the movable column provided by the utility model realizes the rapid movement of the column by connecting the movable column with a sliding head, and the sliding head is connected with the column base plate through a bolt hole that can adjust the height of the column, so that the height of the movable column can be quickly adjusted. At the same time, a certain amount of movement is left between the sliding head and the sliding head connecting plate, which is convenient for the movement of the column and can effectively avoid the phenomenon of jamming during the movement of the column.

[0016] Furthermore, the column base plate and the column plug-in plate assembly are assembled together, the column base and the frame side beam are connected together, and the column and the side beam are quickly connected and separated by plugging and separating the column plug-in plate assembly and the column base.

[0017] Furthermore, by arranging a plurality of brackets on the column base plate, the brackets can be used to place the detachable cargo crossbars, so as to facilitate the disassembly and installation between the columns and the crossbars.

[0018] Furthermore, by rotatably setting a support plate on the column plug-in plate assembly, and setting a support pin at the bottom of the support plate, and opening a support groove on one side of the column base, when plugging and unplugging the column, the support plate and the support groove can be used to firstly cooperate, so that additional support can be obtained when plugging and unplugging the column, so that the plug-in plate can be easily pulled out. Therefore, the movable column has the characteristics of simple structure, low manufacturing and processing difficulty, easy and labor-saving plugging and unplugging, safe and firm after being locked, and light overall weight of the column assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the side structure of the movable column provided by the utility model.

[0020] Figure 2 It is a schematic diagram of the overall structure of the movable column provided by the utility model.

[0021] Figure 3 The utility model is a schematic diagram of the structure of a column plugging plate assembly in a movable column.

[0022] Figure 4 The utility model is a schematic diagram of assembling a column plugging plate component and a column base in a movable column.

[0023] Figure 5 The utility model is a schematic diagram of the structure of a column base plate in a movable column.

[0024] Figure 6 It is a schematic diagram of the AA cross-sectional structure of a column base plate in a movable column provided by the utility model.

[0025] Figure 7 It is a schematic diagram of the cross-sectional structure of a column base plate in a movable column provided by the utility model along the BB line.

[0026] Figure 8 It is a schematic diagram of the CC cross-sectional structure of a column base plate in a movable column provided by the utility model.

[0027] Fig. 9 It is a schematic diagram of the overall structure of the sliding head in the movable column provided by the utility model.

[0028] Fig.10It is a schematic diagram of the side structure of the sliding head in the movable column provided by the utility model.

[0029] Fig.11 It is a schematic diagram of the cooperation between the sliding head and the sliding rail in the movable column provided by the utility model.

[0030] In the figure: 1. sliding head; 2. sliding head connecting plate; 3. column base plate; 4. bolt; 5. column plug plate housing; 6. triangular force plate; 7. spring; 8. plug plate; 9. column base; 10. support plate; 11. support pin; 12. support groove; 13. handle connecting rod; 14. plug plate guide sleeve; 15. handle; 16. bracket; 17. connecting cavity; 18. clearance groove; 19. column plug plate assembly installation cavity; 20. U-shaped plate; 21. limit bolt group; 22. slide rail; 23. slide groove; 24. pulley group. DETAILED DESCRIPTION

[0031] The technical solution of the utility model is further described in detail below through specific implementation methods.

[0032] Example 1

[0033] This embodiment provides a mobile column and side curtain box semi-trailer, such as Figure 1 , Figure 2 As shown, it includes a sliding head 1, a sliding head connecting plate 2, a column base plate 3 and a column base 9. The sliding head connecting plate 2 is adjustably connected to the top of the column base plate 3 by bolts 4. The sliding head 1 is movably connected to the top of the sliding head connecting plate 2.

[0034] like Figure 5 , Figure 6 , Figure 7 and Figure 8 As shown, a column plug-in plate assembly installation cavity 19 is provided at the lower end of the column base plate 3 , a column plug-in plate assembly is provided in the column plug-in plate assembly installation cavity 19 , and the bottom of the column plug-in plate assembly can be plugged into the column base 9 .

[0035] In order to facilitate the adjustable connection with the sliding head connecting plate, the column base plate 3 is a U-shaped plate 20. A sealing plate is provided on the top of the U-shaped plate 20, and the U-shaped plate 20 and the sealing plate together form a connecting cavity 17. In order to avoid interference during the plugging and unplugging process, a clearance groove 18 is provided on the side wall of the column plug assembly installation cavity 19. In order to be able to install the carriage railing and baffle, a plurality of brackets 16 are provided on the column base plate 3 from top to bottom.

[0036] like Figure 3 and Figure 4As shown, in order to facilitate the insertion and removal of the column, the column plug-in plate assembly includes a column plug-in plate housing 5, and a handle connecting rod 13 is hinged on the top of the column plug-in plate housing 5. A triangular force plate 6 is hinged on the bottom of the handle connecting rod 13, and a plug-in plate 8 that can be inserted into the column base 9 is hinged on the bottom of the triangular force plate 6.

[0037] In order to avoid the occurrence of blocking interference and other phenomena during the plugging and unplugging process, a handle 15 is provided on the outer side of the triangular force-applying plate 6. A plugging plate guide sleeve 14 is provided at the bottom of the column plugging plate housing 5, and a spring 7 is provided above the plugging plate guide sleeve 14.

[0038] In order to temporarily support the column during the plugging and unplugging process and improve the operational safety, a support plate 10 is hinged on the outside of the column plug housing 5, and a support pin 11 is provided at the bottom of the support plate 10. In order to facilitate temporary support, a support groove 12 is provided on one side of the column base 9.

[0039] like Fig. 9 , Fig.10 and Fig.11 As shown, in order to ensure that the sliding head is movably connected to the top of the sliding head connecting plate so that there is a certain amount of activity and adjustment between the two, the sliding head 1 includes a T-type plate, a pulley group 24 is rotatably arranged on the upper part of the T-type plate, and a limiting bolt group 21 is arranged on the lower part of the T-type plate.

[0040] Specifically, Fig.11 As shown, a slide rail 22 is arranged on the top of the compartment of the curtain-side van semitrailer, a slide groove 23 is opened in the slide rail 22, and the pulley block 24 is slidably arranged in the slide groove 23.

[0041] Example 2

[0042] This embodiment provides a movable column, which is different from Embodiment 1 in that, in this embodiment, the specifications of the multiple brackets arranged on the column base plate are different.

[0043] Example 3

[0044] This embodiment provides a movable column, which differs from Embodiment 1 in that, in this embodiment, multiple rows of bolt holes are respectively provided on the sliding head connecting plate and on the top of the column base plate, and the spacings between the multiple rows of bolt holes are different.

[0045] Example 4

[0046] This embodiment provides a movable column, which is different from Embodiment 1 in that, in this embodiment, the length of the support plate is greater than the length of the column plug-in plate housing.

[0047] Example 5

[0048] This embodiment provides a curtain-side box semi-trailer, which is equipped with the movable column described in any one of Embodiments 1 to 4.

[0049] Specifically, the specific plugging, unplugging and moving operation steps of the movable column provided in the embodiment are as follows:

[0050] When pulling out the plug plate from the column base, first pull the handle downward and outward to rotate one corner of the triangular force plate around the hinge point hinged on the handle connecting rod, thereby driving the handle connecting rod to rotate outward and driving the plug plate to move upward in the column plug plate housing, thereby realizing the plug plate detachment from the column base. During this operation, the support plate and support pin shaft on the column plug plate housing can be placed in the support groove on the column base to play a temporary support role, thereby improving the safety of operation. After the plug plate is pulled out, the support pin shaft is removed from the support groove. Then push the column base plate to make the pulley block slide in the slide groove of the slide rail to realize the movement of the column. When the column needs to be installed, just follow the reverse steps.

[0051] 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 mobile column, characterized in that: It comprises a sliding head, a sliding head connecting plate, a column base plate and a column base, wherein the sliding head connecting plate is adjustably connected to the top of the column base plate through bolts, and the sliding head is movably connected to the top of the sliding head connecting plate; A column plug-in board assembly installation cavity is arranged at the lower end of the column base plate, a column plug-in board assembly is arranged in the column plug-in board assembly installation cavity, and the bottom of the column plug-in board assembly can be plugged into the column base.

2. The mobile column according to claim 1, characterized in that: The column plug plate assembly includes a column plug plate shell, a handle connecting rod is hinged on the top of the column plug plate shell, a triangular force plate is hinged on the bottom of the handle connecting rod, and a plug plate that can be inserted into the column base is hinged on the bottom of the triangular force plate.

3. The mobile column according to claim 2, characterized in that: A handle is arranged on the outside of the triangular force-applying plate, a plug-in plate guide sleeve is arranged on the bottom of the column plug-in plate housing, and a spring is arranged above the plug-in plate guide sleeve.

4. The mobile column according to claim 2 or 3, characterized in that: A support plate is also hinged on the outside of the column plug plate housing, and a support pin is arranged at the bottom of the support plate.

5. The mobile column according to claim 1, characterized in that: A supporting groove is provided on one side of the column base.

6. The mobile column according to claim 1, 2, 3 or 5, characterized in that: A plurality of brackets are arranged on the column base plate from top to bottom.

7. The mobile column according to claim 1, 2, 3 or 5, characterized in that: The column base plate is a U-shaped plate, a sealing plate is arranged on the top of the U-shaped plate, and the U-shaped plate and the sealing plate together form a connecting cavity.

8. The mobile column according to claim 1, characterized in that: A clearance groove is provided on the side wall of the installation cavity of the column plugging plate assembly.

9. The mobile column according to claim 1 or 2 or 3 or 5 or 8, characterized in that: The sliding head comprises a T-shaped plate, a pulley block is rotatably arranged at the upper part of the T-shaped plate, and a limiting bolt block is arranged at the lower part of the T-shaped plate.

10. A curtain-side van semitrailer, characterized in that: The curtain-side box semitrailer is equipped with the movable column according to any one of claims 1 to 9.

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