CN219706789U - Primary and secondary semi-trailer tire passing type step - Google Patents
Primary and secondary semi-trailer tire passing type step Download PDFInfo
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- CN219706789U CN219706789U CN202321218934.3U CN202321218934U CN219706789U CN 219706789 U CN219706789 U CN 219706789U CN 202321218934 U CN202321218934 U CN 202321218934U CN 219706789 U CN219706789 U CN 219706789U
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- 230000002035 prolonged effect Effects 0.000 claims abstract description 3
- 230000007306 turnover Effects 0.000 claims description 20
- 230000000694 effects Effects 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model discloses a primary and secondary semi-trailer tire passing type step, which comprises a bearing structure A, wherein the bearing structure can be folded and stored and can be folded, spliced and prolonged; B. one end of the switching structure is movably arranged on the bearing frame structure, and the switching structure can be clamped on a lower plate at the rear end of the carriage; C. the utility model relates to the technical field of semitrailers, in particular to a primary and secondary semitrailer tire through-type step, which can be used for dismounting a bearing structure on the lower wall of the rear end of a carriage of a primary vehicle through a switching structure; the sub-vehicle can slowly travel by the bedplate for use by virtue of the bearing structure to be opened and spliced by the locking structure to form an inclined plate which is inclined downwards; and the whole convenient storage and carrying, it is convenient to use, can install under any condition and use, reduces because lack the step and leads to the unable problem of uninstalling of sub-car.
Description
Technical Field
The utility model relates to the technical field of semitrailers, in particular to a primary and secondary semitrailer tire passing type step.
Background
The primary and secondary semitrailers are all transport vehicles, and in an empty state, the primary and secondary semitrailers are placed in the hopper of the primary vehicle, and only the primary vehicle is required to run, namely one vehicle runs behind the other vehicle; because the trailer body is higher, the sub-vehicle needs to be positioned on the main vehicle, and the sub-vehicle can run into the hopper of the main vehicle only by a step, the existing steps are mostly fixedly arranged at a goods stand, and the parking spaces of the main vehicle need to be aligned to the steps (such as a bench and the like); however, in the bearing running process, the height and the weight of the parent vehicle are increased, if the child vehicle is at a height-limiting position, the passing can be influenced, however, no step exists in the travel, and the child vehicle can be unloaded, so that a child-parent semi-trailer tire passing step is designed.
Disclosure of Invention
The utility model aims to provide a primary-secondary semi-trailer tire passing step so as to solve the problems in the background technology.
In order to achieve the above object, the present utility model provides the following technical solutions: a passage-type step for a primary-secondary semi-trailer tyre comprises
The bearing structure can be folded and stored and can be folded, spliced and prolonged;
one end of the switching structure is movably arranged on the bearing frame structure, and the switching structure can be clamped on a lower plate at the rear end of the carriage;
the locking structure is fixedly arranged on the bearing structure and can fixedly butt-joint the bearing structure after being folded.
Preferably, the bearing structure comprises a pair of platens, a pair of adapter seats, a pair of adjusting bolts, a pair of first nuts and a pair of support arms;
the pair of the table boards are of rectangular structures, and tooth grooves are formed in the middle of the upper wall at equal intervals; one ends of the pair of the table boards are respectively and relatively movably connected through a locking structure, and the table boards can be relatively engaged; one of the adapter seats is fixedly welded on the lower wall close to the right end of one of the bedplate and is positioned at the central part; the other adapter seat is fixedly welded on the lower wall of the other bedplate and is positioned in the middle; the pair of adapter seats are of concave structures, the middles of the side walls of the two ends are correspondingly and completely provided with mounting holes, and the outer side walls of the mounting holes are equidistantly provided with a plurality of adjusting grooves; the upper side wall and the lower side wall of the adjusting bolt, which are close to one end of the screw cap, are respectively provided with a first clamping block matched with the adjusting groove, the upper side wall and the lower side wall of the adjusting bolt, which are close to the middle part, are respectively provided with a second clamping block, and the length of the second clamping blocks is larger than that of the first clamping blocks; the pair of adjusting bolts respectively penetrate through the mounting holes of the adapter seat in a movable mode, the first clamping block is embedded in the adjusting groove at one end of the adjusting bolts, the right side of the second clamping block is movably embedded in the adjusting groove at the other end of the adjusting bolts, the pair of first nuts are respectively and movably screwed on the adjusting bolts, one ends of the pair of support arms are respectively and movably embedded in the adapter seat, the pair of support arms are respectively and movably sleeved on the left end of the second clamping block, the other ends of the pair of support arms are of T-shaped cylindrical structures, and the length of the support arm mounted on the lower wall of one platen is longer than that of the other support arm.
Preferably, the switching structure comprises an upper clamping plate, a first long dry bolt, a second nut, a pair of adjusting screws, a lower clamping plate and three ejector rod bolts;
the movable clamping of punch holder one end is on one of them platen left end, first long dry bolt one end is movable run through respectively in punch holder one end and one of them platen left end, the activity of second nut connects soon on first long dry bolt, a pair of adjusting screw one end is movable run through respectively in the punch holder right-hand member, and is located near both ends mutual symmetry about respectively, a pair of adjusting screw other end lateral wall is provided with first forcing hole, the lower plate right-hand member is movable connect soon respectively on adjusting screw, and is located first splint below, three the ejector pin bolt is equidistant run through respectively and is connected soon in the lower plate left end.
Preferably, the locking structure comprises two pairs of folding screws, a pair of folding plates and four groups of locking components;
one ends of the two pairs of turnover screws are respectively movably screwed into the front side wall and the rear side wall of the right end of the bedplate; the two ends, close to the two ends, of the folding plates are respectively sleeved on the folding screw rods in a movable way, and the front side and the rear side of the right end of the bedplate are symmetrical; the side walls of the two ends of the pair of turnover plates are provided with switching grooves; the four groups of locking assemblies are respectively and fixedly arranged on the front side wall and the rear side wall of the right end of the bedplate and are mutually symmetrical.
Preferably, the locking assembly comprises a locking tube, a locking frame, a locking rod, a limiting rod and a spring;
the lock tube is rectangular tube body structure, lock tube fixed welding is in platen right-hand member front side wall, and is located the turnover plate left side, the lock frame is L type structure, lock frame one end fixed welding is in lock tube top left side wall along the middle part, and the other end is corresponding with lock tube inner chamber, the locking lever is L type structure, locking lever one end activity runs through in the lock tube, gag lever post one end fixed connection is in locking lever post other end left side wall, and the gag lever post other end activity runs through in the lock frame other end, spring activity suit is on gag lever post one end, and is located between locking lever post left side wall and the lock frame other end.
Preferably, one end of the bedplate is movably connected with the other end of the bedplate through a turnover plate.
Preferably, one end of the lock rod can be inserted into the switching groove of the turning plate, and one end of the bedplate is connected and limited relatively in parallel.
Compared with the prior art, the utility model has the beneficial effects that: the primary and secondary semitrailer tires pass through the steps, and the bearing structure can be disassembled and assembled on the lower wall of the rear end of the carriage of the primary vehicle through the switching structure; the sub-vehicle can slowly travel by the bedplate for use by virtue of the bearing structure to be opened and spliced by the locking structure to form an inclined plate which is inclined downwards; and the whole convenient storage and carrying, it is convenient to use, can install under any condition and use, reduces because lack the step and leads to the unable problem of uninstalling of sub-car.
Drawings
FIG. 1 is a schematic view of an assembled structure of the present utility model;
FIG. 2 is a schematic diagram of a split structure of the present utility model;
FIG. 3 is a schematic view of the structure of the present utility model at F in a partially enlarged manner;
fig. 4 is a schematic view of a partial enlarged structure at E of the present utility model.
In the figure: 1. the bearing structure comprises a bearing structure, 11, a bedplate, 12, a switching seat, 13, an adjusting bolt, 14, a first nut, 15, a support arm, 2, a switching structure, 21, an upper clamping plate, 22, a first long dry bolt, 23, a second nut, 24, an adjusting screw, 25, a lower clamping plate, 26, a top rod bolt, 3, a locking structure, 31, a turnover screw, 32, a turnover plate, 33, a locking assembly, 41, a locking pipe, 42, a locking frame, 43, a locking rod, 44, a limiting rod, 45 and a spring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: the primary and secondary semi-trailer tire passing step comprises a bearing structure 1, a switching structure 2 and a locking structure 3; one end of the switching structure 2 is movably arranged on the bearing frame structure, and the switching structure 2 can be clamped on a lower plate at the rear end of the carriage; the locking structure 3 is fixedly arranged on the bearing structure 1, and can fixedly butt-joint the bearing structure 1 after being folded.
Preferably, the bearing structure 1 further comprises a pair of platens 11, a pair of adapter seats 12, a pair of adjusting bolts 13, a pair of first nuts 14 and a pair of support arms 15;
the pair of table boards 11 are of rectangular structures, and tooth grooves are formed in the middle of the upper wall at equal intervals; one ends of a pair of table boards 11 are respectively and relatively movably connected through a locking structure 3, and the table boards 11 can be relatively engaged; one of the adapter seats 12 is fixedly welded on the lower wall close to the right end of one of the bedplate 11 and is positioned at the central position; wherein the other adapter seat 12 is fixedly welded on the lower wall of the other bedplate 11 and is positioned in the middle; the pair of adapter seats 12 are of concave structures, the middles of the side walls of the two ends are correspondingly provided with mounting holes in a penetrating mode, and the outer side walls of the mounting holes are provided with a plurality of adjusting grooves at equal intervals; the upper side wall and the lower side wall of the adjusting bolt 13, which are close to one end of the screw cap, are respectively provided with a first clamping block matched with the adjusting groove, the upper side wall and the lower side wall of the adjusting bolt 13, which are close to the middle part, are respectively provided with a second clamping block, and the length of the second clamping blocks is larger than that of the first clamping blocks; the pair of adjusting bolts 13 are respectively and movably penetrated in the mounting holes of the adapter seat 12, the first clamping block is embedded in the adjusting groove at one end of the adjusting bolts, the right side of the second clamping block is movably embedded in the adjusting groove at the other end of the adjusting bolts 13, the pair of first nuts 14 are respectively and movably screwed on the adjusting bolts 13, one ends of the pair of support arms 15 are respectively and movably embedded in the adapter seat 12 and are respectively and movably sleeved on the left end of the second clamping block, the other ends of the pair of support arms 15 are of T-shaped cylindrical structures, and the length of the support arm 15 arranged on the lower wall of one platen 11 is longer than that of the other support arm 15.
As a preferred solution, the adapting structure 2 further comprises an upper clamping plate 21, a first long dry bolt 22, a second nut 23, a pair of adjusting screws 24, a lower clamping plate 25 and three ejector pin bolts 26;
one end of the upper clamping plate 21 is movably clamped on the left end of one of the table plates 11, one end of the first long dry bolt 22 is movably penetrated through one end of the upper clamping plate 21 and the left end of one of the table plates 11 respectively, the second nut 23 is movably screwed on the first long dry bolt 22, one end of the pair of adjusting screw rods 24 is movably penetrated through the right end of the upper clamping plate 21 respectively and is positioned close to the front end and the rear end and symmetrical to each other respectively, a first force application hole is formed in the side wall of the other end of the pair of adjusting screw rods 24, the right end of the lower clamping plate 25 is movably screwed on the adjusting screw rods 24 respectively and is positioned below the first clamping plate, and the three ejector rod bolts 26 are penetrated through and screwed in the left end of the lower clamping plate 25 at equal intervals respectively.
Preferably, the locking structure 3 comprises two pairs of turndown screws 31, a pair of turndown plates 32 and four groups of locking assemblies 33;
one ends of two pairs of turnover screws 31 are respectively movably screwed into the front and rear side walls of the right end of the bedplate 11; a pair of turnover plates 32 are movably sleeved on the turnover screw rods 31 respectively near two ends and are positioned at the front and back sides of the right end of the bedplate 11 to be symmetrical with each other; the side walls of the two ends of the pair of turnover plates 32 are provided with switching grooves; the four groups of locking components 33 are respectively fixedly arranged on the front side wall and the rear side wall of the right end of the bedplate 11 and are symmetrical to each other.
Preferably, the latch assembly 33 includes a latch tube 41, a latch bracket 42, a latch lever 43, a stop lever 44, and a spring 45;
the lock tube 41 is of a rectangular tube body structure, the lock tube 41 is fixedly welded on the front side wall of the right end of the bedplate 11 and is positioned at the left side of the turning plate 32, the lock frame 42 is of an L-shaped structure, one end of the lock frame 42 is fixedly welded on the left side wall of the top end of the lock tube 41 along the middle part, the other end of the lock frame corresponds to the inner cavity of the lock tube 41, the lock rod 43 is of an L-shaped structure, one end of the lock rod 43 movably penetrates through the lock tube 41, one end of the limiting rod 44 is fixedly connected with the left side wall of the other end of the lock rod 43, the other end of the limiting rod 44 movably penetrates through the other end of the lock frame 42, and the spring 45 is movably sleeved on one end of the limiting rod 44 and is positioned between the left side wall of the lock rod 43 and the other end of the lock frame 42.
Preferably, one end of the platen 11 is movably connected with the other end of the platen through the turning plate 32 for installation, so that the platen can be spliced in parallel and folded relatively after moving and switching.
Preferably, one end of the lock lever 43 can be inserted into the transfer slot of the folding plate 32, and one end of the platen 11 is connected and limited relatively in parallel, which is a requirement for use.
The detailed connection means are known in the art, and the following mainly describes the working principle and process, and the specific work is as follows.
Examples: as can be seen from fig. 1 to 4 of the specification, the adjusting screw 24 in the adapting structure 2 is rotated to adjust the distance between the lower clamping plate 25 and the upper clamping plate 21, then the space between the upper clamping plate 21 and the lower clamping plate 25 is clamped on the lower wall at the rear end of the headstock of the bus, and then the adjusting screw 24 is rotated to enable the lower clamping plate 25 to be attached to the lower wall of the hopper, and the ejector rod bolt 26 is rotated to tightly clamp the hopper; secondly, the two table boards 11 which are movably connected by the turnover plate 32 in the locking structure 3 are turned to a horizontal state relatively, namely, the lock rod 43 in the locking assembly 33 can be pulled to make the lock rod 43 move in a limiting way by the limiting rod 44 and press the spring 45; after one end of the lock rod 43 is positioned in the lock tube 41 and contracted, the turnover plate 32 is turned over and turned to be horizontal to the bedplate 11 by means of the turnover screw rod 31, and one end of the lock rod 43 can be inserted into two ends of the turnover plate 32 by means of the acting force of the spring 45, so that the horizontal butt joint limiting is finished; further, one of the tables 11 can be turned over on the upper clamping plate 21 through the first long dry bolt 22 and the first nut 14, namely, the other table 11 can be inclined downwards, and the other table 11 is contacted with the body surface to form an inclined platform; the support arm 15 connected with the upper clamping plate 21 is separated from the two ends of the adapter seat 12 by pulling the adjusting bolt 13, the second clamping block is positioned in one end of the support arm 15, the support arm 15 can be rotated to vertically support the ground by means of the limit of the adjusting bolt 13 and the first nut 14, then the adjusting screw 24 is pushed to reset, the first clamping block and the second clamping block are respectively positioned in the adjusting grooves in the two ends of the adapter seat 12 to be limited and supported, and the support arm 15 on the lower wall of the other platen 11 is folded and supported by the same principle, so that the installation can be completed; two groups of devices are arranged on two sides for the wheels to bear force, and the force is increased by the structure of the bedplate 11 to prevent sliding; when not in use, the two tables 11 can be disassembled, and the two tables can be buckled relatively, so that the two tables can be stored and carried.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a primary and secondary semitrailer tire through-type step which characterized in that: comprising
A. The bearing structure (1) can be folded and stored, and can be folded, spliced and prolonged;
B. the transfer structure (2), one end of the transfer structure (2) is movably arranged on the bearing frame structure, and the transfer structure (2) can be clamped on the lower plate at the rear end of the carriage;
C. the locking structure (3) is fixedly arranged on the bearing structure (1), and the bearing structure (1) can be folded and fixedly butted.
2. A primary and secondary semi-trailer tire passing step as in claim 1 wherein: the bearing structure (1) comprises a pair of platens (11), a pair of adapter seats (12), a pair of adjusting bolts (13), a pair of first nuts (14) and a pair of support arms (15);
the pair of the table boards (11) are of rectangular structures, and tooth grooves are formed in the middle of the upper wall at equal intervals; one ends of the pair of table boards (11) are respectively and movably connected relatively through a locking structure (3), and the table boards (11) can be relatively engaged; one of the adapter seats (12) is fixedly welded on the lower wall close to the right end of one of the bedplate (11) and is positioned at the central part; the other adapter seat (12) is fixedly welded on the lower wall of the other bedplate (11) and is positioned in the middle; the pair of adapter seats (12) are of concave structures, mounting holes are correspondingly formed in the middles of the side walls of the two ends of the adapter seats, and a plurality of adjusting grooves are formed in the outer side walls of the mounting holes at equal intervals; the upper side wall and the lower side wall, close to one end of the screw cap, of the adjusting bolt (13) are provided with first clamping blocks matched with the adjusting grooves, the upper side wall and the lower side wall, close to the middle part, of the adjusting bolt (13) are provided with second clamping blocks, and the length of the second clamping blocks is larger than that of the first clamping blocks; the pair of adjusting bolts (13) are respectively movably penetrated in the mounting holes of the adapter seat (12), the first clamping block is embedded in the adjusting groove at one end of the adjusting bolts, the right side of the second clamping block is movably embedded in the adjusting groove at the other end of the adjusting bolts, the pair of first nuts (14) are respectively movably screwed on the adjusting bolts (13), one ends of the pair of support arms (15) are respectively movably embedded in the adapter seat (12) and are respectively movably sleeved on the left end of the second clamping block, the other ends of the pair of support arms (15) are of T-shaped cylindrical structures, and the length of the support arm (15) arranged on the lower wall of one platen (11) is longer than that of the other support arm (15).
3. A primary and secondary semi-trailer tire passing step as in claim 2 wherein: the switching structure (2) comprises an upper clamping plate (21), a first long dry bolt (22), a second nut (23), a pair of adjusting screws (24), a lower clamping plate (25) and three ejector rod bolts (26);
one end of the upper clamping plate (21) is movably clamped on the left end of one of the table plates (11), one end of the first long dry bolt (22) is movably penetrated through one end of the upper clamping plate (21) and the left end of one of the table plates (11) respectively, the second nut (23) is movably screwed on the first long dry bolt (22), one end of the adjusting screw (24) is movably penetrated through the right end of the upper clamping plate (21) respectively and is positioned close to the front end and the rear end of the adjusting screw symmetrically, a first force application hole is formed in the side wall of the other end of the adjusting screw (24), the right end of the lower clamping plate (25) is movably screwed on the adjusting screw (24) respectively and is positioned below the first clamping plate, and three ejector rod bolts (26) are penetrated through and screwed in the left end of the lower clamping plate (25) at equal intervals respectively.
4. A primary and secondary semi-trailer tire passing step as in claim 3 wherein: the locking structure (3) comprises two pairs of folding screws (31), a pair of folding plates (32) and four groups of locking assemblies (33);
one ends of the two pairs of turnover screws (31) are respectively movably screwed into the front side wall and the rear side wall of the right end of the bedplate (11); the pair of turnover plates (32) are movably sleeved on the turnover screw rods (31) respectively near two ends and are positioned at the front side and the rear side of the right end of the bedplate (11) to be symmetrical with each other; the side walls of the two ends of the pair of turnover plates (32) are provided with switching grooves; the four groups of locking assemblies (33) are respectively fixedly arranged on the front side wall and the rear side wall of the right end of the bedplate (11) and are symmetrical to each other.
5. A primary and secondary semi-trailer tire passing step as in claim 4 wherein: the locking assembly (33) comprises a lock tube (41), a lock frame (42), a lock rod (43), a limit rod (44) and a spring (45);
the utility model discloses a lock tube (41) is rectangular body structure, lock tube (41) fixed welding is in platen (11) right-hand member front side wall, and is located turning plate (32) left side, lock frame (42) are L type structure, lock frame (42) one end fixed welding is in lock tube (41) top left side wall along the middle part, and the other end is corresponding with lock tube (41) inner chamber, locking lever (43) are L type structure, locking lever (43) one end activity runs through in lock tube (41), gag lever post (44) one end fixed connection is in locking lever (43) other end left side wall, and gag lever post (44) other end activity runs through in lock frame (42) other end, spring (45) movable sleeve is on gag lever post (44) one end, and is located between locking lever post (43) left side wall and the lock frame (42) other end.
6. A primary and secondary semi-trailer tire passing step as in claim 5 wherein: one end of the bedplate (11) is movably connected with the other end of the bedplate through a turnover plate (32).
7. The primary and secondary semi-trailer tire passing step of claim 6, wherein: one end of the lock rod (43) can be inserted into the switching groove of the turnover plate (32), and one end of the bedplate (11) is connected and limited relatively in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321218934.3U CN219706789U (en) | 2023-05-18 | 2023-05-18 | Primary and secondary semi-trailer tire passing type step |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321218934.3U CN219706789U (en) | 2023-05-18 | 2023-05-18 | Primary and secondary semi-trailer tire passing type step |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219706789U true CN219706789U (en) | 2023-09-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321218934.3U Active CN219706789U (en) | 2023-05-18 | 2023-05-18 | Primary and secondary semi-trailer tire passing type step |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219706789U (en) |
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2023
- 2023-05-18 CN CN202321218934.3U patent/CN219706789U/en active Active
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