CN111071354B - Breast board structure of unpowered trailer of security - Google Patents
Breast board structure of unpowered trailer of security Download PDFInfo
- Publication number
- CN111071354B CN111071354B CN201911117216.5A CN201911117216A CN111071354B CN 111071354 B CN111071354 B CN 111071354B CN 201911117216 A CN201911117216 A CN 201911117216A CN 111071354 B CN111071354 B CN 111071354B
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- breast board
- barrel
- column
- bearing seat
- movable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D33/00—Superstructures for load-carrying vehicles
- B62D33/02—Platforms; Open load compartments
- B62D33/023—Sideboard or tailgate structures
- B62D33/027—Sideboard or tailgate structures movable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D33/00—Superstructures for load-carrying vehicles
- B62D33/02—Platforms; Open load compartments
- B62D33/023—Sideboard or tailgate structures
- B62D33/027—Sideboard or tailgate structures movable
- B62D33/033—Sideboard or tailgate structures movable removable
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/56—Reuse, recycling or recovery technologies of vehicles
Abstract
A breast board structure of a safety unpowered trailer comprises a vehicle board, a portal frame, a fixed breast board, an inserting column, a supporting column, a movable breast board, a connecting rod and a mandril; each support pillar insert column is inserted into the insert column top groove, so that the support pillars are connected with the insert columns; the two sides of the movable breast board are inserted into the movable breast board sliding grooves, and the bottom ends of the two sides of the movable breast board are placed on the top surfaces of the breast board supporting blocks; one end of the connecting rod extends into the connecting top barrel, the baffle barrel and the connecting bottom barrel to realize the fixed arrangement of the connecting rod, the supporting column and the movable baffle; the ejector pin sets up in the top of activity breast board and support column. The integral device is convenient to mount, and all parts can be accommodated in a detachable assembly mode; the device has strong structural stability and long service life.
Description
Technical Field
The invention relates to the field of trailer preparation, in particular to a guardrail plate structure of a safe unpowered trailer.
Background
The trailer is a truck and is divided into a semi-trailer and a full trailer. The semi-trailer is a tractor with the front and a trailer box with the rear, the front of the trailer box is placed on the tractor, the full trailer is a carriage with the front tractor dragging the rear, and the carriages are connected together without being placed on the tractor. In the trailer form, be provided with the breast board structure in the trailer part usually, the effect of breast board structure lies in protecting the setting to four sides of sweep, the protection prevents that the article skew that bears on the sweep from sliding out outside the sweep, the structural style of breast board is current mature technique, adopt the structural style that can overturn between breast board and the trailer sweep, peg graft in the top of trailer sweep with a plurality of posts of inserting again, carry out the joint with the breast board with inserting the post through rotatory handle and realize fixing, can realize the perpendicular fixed connection of breast board and sweep. However, in the prior art, the height of the balustrade is uniform, so that when the trailer needs to pull and load goods with higher height, the goods stacked above the balustrade cannot be protected and limited by the balustrade on four sides, and the goods are easily scattered during the driving process of the trailer. The structural form of the breast board of the trailer is designed to be heightened, and the safety of carrying more cargoes is met.
Disclosure of Invention
In order to solve the existing problems, the invention discloses a guardrail structure of a safety unpowered trailer, which has the following specific technical scheme: a breast board structure of a safety unpowered trailer comprises a vehicle board, a portal frame, a fixed breast board, an inserting column, a supporting column, a movable breast board, a connecting rod and a mandril;
the portal frame is transversely arranged on the top surface of the sweep, and the portal frame is vertically and fixedly connected with the sweep; the fixed breast boards are arranged on four sides of the sweep, and each fixed breast board is rotatably arranged with the sweep through a shaft; the inserting columns are arranged on four sides of the vehicle board and arranged between the fixed breast boards, and each fixed breast board is fixed through a rotating handle;
the center of the top surface of each inserted column is of a groove-shaped structure to form an inserted column top groove;
the supporting columns are arranged at the top ends of the inserting columns, the supporting columns are of rectangular prism column structures, supporting column inserting columns are arranged at the bottom ends of the supporting columns, each supporting column inserting column is inserted into the inserting column top groove, and the supporting columns are connected with the inserting columns; the top surfaces of the two sides of the supporting column are of groove-shaped structures to form a movable railing panel sliding chute; the bottom ends of two sides of the supporting column are provided with breast board supporting blocks which are symmetrically arranged, and each breast board supporting block is fixedly connected with the supporting column through welding to form an integrated structure; a bottom barrel bearing seat is arranged on one side wall of the bottom end of the supporting column and is fixed with the supporting column through a fastener; a connecting bottom barrel is arranged on the outer side of the bottom barrel bearing seat, one side wall of the connecting bottom barrel is fixedly connected with a bottom barrel connecting shaft, the other end of the bottom barrel connecting shaft extends into the bottom barrel bearing seat, the bottom barrel connecting shaft is rotatably arranged with the bottom barrel bearing seat through a bearing, and the connecting bottom barrel is rotatably arranged with the supporting column through the matching of the bottom barrel connecting shaft and the bottom barrel bearing seat; a top barrel bearing seat is arranged on one side wall of the top end of the supporting column, the top barrel bearing seat and the bottom barrel bearing seat are arranged in the same direction, and the top barrel bearing seat is fixed with the supporting column through a fastening piece; the top cylinder bearing block is simultaneously designed at the top end of the side wall of the portal frame; a connecting top barrel is arranged on the outer side of the top barrel bearing seat, one side wall of the connecting top barrel is fixedly connected with one end of a top barrel connecting shaft, the other end of the top barrel connecting shaft extends into the top barrel bearing seat, and the top barrel connecting shaft is rotatably arranged with the top barrel bearing seat through a bearing; the top surface of the support column is in a round hole structure to form a support column top hole;
the movable breast board is arranged between the support columns on two sides, the movable breast board is of a rectangular plate-shaped structure, two sides of the movable breast board are inserted into the movable breast board sliding grooves, and the bottom ends of two sides of the movable breast board are placed on the top surfaces of the breast board support blocks; the center of one side surface of the movable sideboard is of a convex structure to form a convex block of the movable sideboard, one side surface of the convex block of the movable sideboard is of a cavity structure to form a cavity of the movable sideboard, and four sides of the inner wall of the cavity of the movable sideboard are of a chute structure to form a cavity chute; a railing panel cylinder bearing seat is arranged in the movable railing panel, the railing panel cylinder bearing seat and the movable railing panel cavity are arranged in a sliding mode, the circumferential direction of the outer wall of the railing panel cylinder bearing seat is of a convex block-shaped structure to form a bearing seat limiting block, and the bearing seat limiting block is embedded into the cavity sliding groove to realize limiting sliding of the railing panel cylinder bearing seat and the cavity sliding groove; a breast board cylinder is arranged on one side of the breast board cylinder bearing seat, one side wall of the breast board cylinder is fixedly connected with one end of a breast board cylinder connecting shaft, the other end of the breast board cylinder connecting shaft extends into the breast board cylinder bearing seat, and the breast board cylinder connecting shaft is rotatably arranged with the breast board cylinder bearing seat through a shaft; one side of the breast board cylinder bearing seat is provided with a return spring, one end of the return spring is fixedly connected with the breast board cylinder bearing seat, and the other end of the return spring is fixedly connected with one end of the movable breast board cavity; the top end of the movable breast board is in a round hole structure to form a movable breast board top hole;
the connecting rod is of a round rod-shaped structure, a connecting rod lug is arranged at one end of the connecting rod, and one end of the connecting rod extends into the connecting top barrel, the connecting plate barrel and the connecting bottom barrel to realize the fixed arrangement of the connecting rod, the supporting column and the movable plate; the ejector pin set up in the top of activity breast board and support column, the both ends of ejector pin insert respectively in the activity breast board apical pore, realize with both sides the fixed setting of activity breast board, the both ends of ejector pin insert respectively in the support column apical pore, realize with both sides the support column is fixed to be set up.
Furthermore, the support column is inserted the post and is the cuboid structure, the size that the support column was inserted the post is slightly less than the overall dimension of support column, the support column insert the post with insert a top groove overall dimension and suit.
Furthermore, the breast board supporting block comprises supporting side blocks and a supporting bottom block, the supporting side blocks are symmetrically arranged on two sides of the supporting bottom block, and the supporting side block on each side is vertically and fixedly connected with the supporting bottom block; the supporting bottom block and the supporting column are arranged vertically, and supporting side blocks and the supporting bottom block on two sides form a supporting block bottom groove.
Furthermore, each side of the supporting side block is of an L-shaped structure, and the inner wall surface of each supporting side block is matched with the inner wall surface of the movable sideboard sliding groove.
Furthermore, the inner wall of the connecting bottom barrel is of a thread-shaped structure, and internal threads of the connecting bottom barrel are formed.
Further, the connecting top cylinder is of a cylindrical structure.
Furthermore, the inner diameters of the connecting top barrel, the connecting fence barrel and the connecting bottom barrel are matched with the outer diameter of the connecting rod.
Further, the bottom lateral wall of connecting rod is screw thread column structure, forms the connecting rod external screw thread, the internal thread of end bucket is connected in the cooperation of connecting rod external screw thread, realizes the connecting rod with it is fixed to be set up to connect the end bucket.
Further, the fastener is one or more of a hose clamp, a rivet, an expansion screw, a bolt, a nut, a screw and a self-tapping screw.
The structural principle of the invention is as follows:
according to the invention, the inserting column is vertically inserted on the top surface of the vehicle board, the fixed railing panel is fixedly connected with the portal frame and the inserting column, and then the supporting column is inserted into the chute of the movable railing panel through the inserting column, so that the supporting column and the inserting column are fixed; then inserting the movable breast boards into the movable breast board chutes on two sides from top to bottom, and finally embedding and placing the movable breast boards in the supporting block bottom grooves; then, inserting a connecting rod into the connecting top barrel, enabling the connecting rod to slide downwards in an inclined mode through the rotary connecting top barrel, then drawing out the fence barrel from the cavity of the movable fence, extending a return spring, enabling a bearing seat limiting hole to slide in a cavity sliding chute, enabling the connecting rod to penetrate through the fence barrel and extend into the connecting bottom barrel, enabling the connecting rod and the connecting bottom barrel to be fixed in a threaded mode through the rotary connecting rod, and enabling the portal frame, the movable fence and the supporting columns to be fixed in a limiting mode through the connecting rod; finally, the ejector rod can be respectively inserted into the top hole of the movable breast board and the top hole of the supporting rod, and meanwhile, the top surface of the ejector rod can be coated with a film.
The beneficial effects of the invention are:
the invention can improve the structure of the baffle plate with standard size aiming at the structural form of the baffle plate of the existing trailer, so that the baffle plate has higher height, even the structural form of the trailer plate can be designed into a structure form of being detachable and heightened, the two-layer blocking of the trailer plate of the trailer can be realized by additionally arranging the supporting column and the movable baffle plate on the original structural form of the baffle plate, and the three-layer blocking of the trailer plate structure can be realized by utilizing the matching and fixing of the ejector rod and the baffle plate structure. The breast board structure utilizes the connecting rod and is connected a section of thick bamboo, a breast board section of thick bamboo and be connected the setting of end bucket, can further realize auxiliary positioning with support column and activity breast board, carries out horizontal and longitudinal positioning to the activity breast board, makes the breast board structure form unified whole, and stability is higher. The connecting rod and the breast board barrel are flexibly connected by the return spring, so that the movable breast board structure is protected from being damaged by severe vibration generated by vehicle running, and the service life of the device is long. The whole device is convenient to install, and all parts can be accommodated in a detachable assembly mode; the device has strong structural stability and long service life.
Drawings
Fig. 1 is a schematic view of the external structure of the present invention.
Fig. 2 is a schematic view of the connection structure of the insert column and the support column of the present invention.
Fig. 3 is a schematic structural view of the movable fence of the present invention.
Fig. 4 is a schematic cross-sectional view of the cavity of the fence of the present invention.
FIG. 5 is a schematic view of the structure at the fence barrel of the present invention.
List of reference numbers: the device comprises a vehicle plate 1, a portal frame 2, a fixed breast plate 3, an insert column 4, an insert column top groove 4-1, a support column 5, a support column insert column 5-1, a movable breast plate chute 5-2, a breast plate support block 5-3, a support side block 5-3-1, a support bottom block 5-3-2, a support block bottom groove 5-3-3, a bottom barrel bearing seat 5-4, a connecting bottom barrel 5-5, a connecting bottom barrel internal thread 5-5-1, a bottom barrel connecting shaft 5-6, a top barrel bearing seat 5-7, a connecting top barrel 5-8, a top barrel connecting shaft 5-9, a support column top hole 5-10, a movable breast plate 6, a movable breast plate bump 6-1, a movable breast plate cavity 6-2, a cavity chute 6-3, a breast plate barrel bearing seat 6-4, a bearing seat 6-5, a breast plate barrel 6-6, a breast plate barrel connecting shaft 6-7, a reset spring 6-8, a movable breast plate top hole 6-9, a connecting rod 7, a bump 7-1, a limit block 7-2 and an ejector pin 8.
Detailed Description
In order to make the technical scheme of the invention clearer and clearer, the invention is further described below by combining the attached drawings, and any scheme obtained by carrying out equivalent replacement and conventional reasoning on the technical characteristics of the technical scheme of the invention falls into the protection scope of the invention. The fixed connection, the fixed arrangement and the fixed structure mentioned in the embodiment are known technologies known to those skilled in the art, such as gluing, welding, screwing, bolt-nut connection, riveting and the like.
The bottom barrel bearing seat, the top barrel bearing seat and the breast board barrel bearing seat mentioned in the embodiment can be directly purchased and obtained products in the market, the structural principle of the bearing seat is a known technology known by technical personnel in the field, and the middle part of the embodiment is described in detail.
The attached drawing shows that the railing panel structure of the safe unpowered trailer comprises a vehicle panel (1), a portal frame (2), a fixed railing panel (3), an inserting column (4), a supporting column (5), a movable railing panel (6), a connecting rod (7) and a mandril (8);
the portal frame (2) is transversely arranged on the top surface of the sweep (1), and the portal frame (2) is vertically and fixedly connected with the sweep (1); the fixed side plates (3) are arranged on four sides of the sweep (1), and each fixed side plate (3) is rotatably arranged with the sweep (1) through a shaft; the inserting columns (4) are arranged on four sides of the vehicle board (1) and arranged between the fixed sideboard (3), and each fixed sideboard (3) is fixed through a rotating handle;
the center of the top surface of each inserted column (4) is of a groove-shaped structure to form an inserted column top groove (4-1);
the supporting columns (5) are arranged at the top ends of the inserting columns (4), the supporting columns (5) are of cuboid columnar structures, supporting column inserting columns (5-1) are arranged at the bottom ends of the supporting columns (5), and each supporting column inserting column (5-1) is inserted into the inserting column top groove (4-1) to realize that the supporting columns (5) are connected with the inserting columns (4); the top surfaces of two sides of the supporting column (5) are of groove-shaped structures to form a chute (5-2) of the movable breast board (6); the bottom ends of two sides of the supporting column (5) are provided with breast board supporting blocks (5-3), the breast board supporting blocks (5-3) are symmetrically arranged, and each breast board supporting block (5-3) is fixedly connected with the supporting column (5) through welding to form an integrated structure; a bottom barrel bearing seat (5-4) is arranged on one side wall of the bottom end of the supporting column (5), and the bottom barrel bearing seat (5-4) is fixed with the supporting column (5) through a fastening piece; a connecting bottom barrel (5-5) is arranged on the outer side of the bottom barrel bearing seat (5-4), one side wall of the connecting bottom barrel (5-5) is fixedly connected with a bottom barrel connecting shaft (5-6), the other end of the bottom barrel connecting shaft (5-6) extends into the bottom barrel bearing seat (5-4), the bottom barrel connecting shaft (5-6) is rotatably arranged with the bottom barrel bearing seat (5-4) through a bearing, and the connecting bottom barrel (5-5) is matched with the bottom barrel bearing seat (5-4) through the bottom barrel connecting shaft (5-6) to be rotatably arranged with the supporting column (5); a top barrel bearing seat (5-7) is arranged on one side wall of the top end of the supporting column (5), the top barrel bearing seat (5-7) and the bottom barrel bearing seat (5-4) are arranged in the same direction, and the top barrel bearing seat (5-7) is fixed with the supporting column (5) through a fastening piece; the top cylinder bearing blocks (5-7) are simultaneously designed at the top end of the side wall of the portal frame (2); a connecting top cylinder (5-8) is arranged on the outer side of the top cylinder bearing seat (5-7), one side wall of the connecting top cylinder (5-8) is fixedly connected with one end of a top cylinder connecting shaft (5-9), the other end of the top cylinder connecting shaft (5-9) extends into the top cylinder bearing seat (5-7), and the top cylinder connecting shaft (5-9) is rotatably arranged with the top cylinder bearing seat (5-7) through a bearing; the top surface of the support pillar (5) is in a round hole structure to form a support pillar top hole (5-10);
the movable sideboard (6) is arranged between the support columns (5) at two sides, the movable sideboard (6) is in a rectangular plate-shaped structure, two sides of the movable sideboard (6) are inserted into chutes (5-2) of the movable sideboard (6), and the bottom ends of two sides of the movable sideboard (6) are placed on the top surfaces of the sideboard support blocks (5-3); the center of one side surface of the movable breast board (6) is of a convex structure to form a movable breast board convex block (6-1), one side surface of the movable breast board convex block (6-1) is of a cavity structure to form a movable breast board cavity (6-2), and four sides of the inner wall of the movable breast board cavity (6-2) are of a chute structure to form a cavity chute (6-3); a baffle cylinder (6-6) bearing seat (6-4) is arranged in the movable baffle (6), the baffle cylinder (6-6) bearing seat (6-4) and the movable baffle cavity (6-2) are arranged in a sliding mode, the outer wall of the baffle cylinder (6-6) bearing seat (6-4) is of a convex block-shaped structure in the circumferential direction to form a bearing seat limiting block (6-5), and the bearing seat limiting block (6-5) is embedded into the cavity sliding groove (6-3) to achieve limiting sliding of the baffle cylinder (6-6) bearing seat (6-4) and the cavity sliding groove (6-3); one side of a bearing seat (6-4) of each railing panel cylinder (6-6) is provided with a railing panel cylinder (6-6), one side wall of each railing panel cylinder (6-6) is fixedly connected with one end of a railing panel cylinder connecting shaft (6-7), the other end of each railing panel cylinder (6-6) connecting shaft extends into the bearing seat (6-4) of the railing panel cylinder (6-6), and the railing panel cylinders (6-6) connecting shafts are rotatably arranged with the bearing seats (6-4) of the railing panel cylinders (6-6) through shafts; one side of a bearing seat (6-4) of the breast board cylinder (6-6) is provided with a return spring (6-8), one end of the return spring (6-8) is fixedly connected with the bearing seat (6-4) of the breast board cylinder (6-6), and the other end of the return spring (6-8) is fixedly connected with one end of the movable breast board cavity (6-2); the top end of the movable breast board (6) is in a round hole structure to form a movable breast board top hole (6-9);
the connecting rod (7) is of a round rod-shaped structure, a connecting rod bump (7-1) is arranged at one end of the connecting rod (7), and one end of the connecting rod (7) extends into the connecting top cylinder (5-8), the breast board cylinder (6-6) and the connecting bottom barrel (5-5), so that the connecting rod (7) is fixedly arranged with the supporting column (5) and the movable breast board (6); the ejector rod (8) is arranged at the top ends of the movable fence plate (6) and the support columns (5), two ends of the ejector rod (8) are respectively inserted into movable fence plate top holes (6-9) to realize the fixed arrangement of the movable fence plate (6) with two sides, two ends of the ejector rod (8) are respectively inserted into support column top holes (5-10) to realize the fixed arrangement of the support columns (5) with two sides.
Furthermore, the support column inserting column (5-1) is of a cuboid structure, the size of the support column inserting column (5-1) is slightly smaller than the overall dimension of the support column (5), and the support column inserting column (5-1) is matched with the overall dimension of the support column inserting top groove (4-1).
Further, the breast board supporting block (5-3) comprises a supporting side block (5-3-1) and a supporting bottom block (5-3-2), the supporting side blocks (5-3-1) are symmetrically arranged on two sides of the supporting bottom block (5-3-2), and the supporting side block (5-3-1) on each side is vertically and fixedly connected with the supporting bottom block (5-3-2); the supporting bottom block (5-3-2) is perpendicular to the supporting column (5), and supporting side blocks (5-3-1) on two sides and the supporting bottom block (5-3-2) form a supporting block bottom groove (5-3-3).
Furthermore, each supporting side block (5-3-1) is of an L-shaped structure, and the inner wall surface of each supporting side block (5-3-1) is matched with the inner wall surface of the sliding groove (5-2) of the movable breast board (6).
Furthermore, the inner wall of the connecting bottom barrel (5-5) is in a thread structure to form a connecting bottom barrel internal thread (5-5-1).
Furthermore, the connecting top cylinder (5-8) is of a cylindrical structure.
Furthermore, the inner diameters of the connecting top barrel (5-8), the breast board barrel (6-6) and the connecting bottom barrel (5-5) are adapted to the outer diameter of the connecting rod (7).
Furthermore, the side wall of the bottom end of the connecting rod (7) is of a thread structure to form a connecting rod external thread (7-2), and the connecting rod external thread (7-2) is matched with a bottom barrel internal thread (5-5-1) to realize that the connecting rod (7) and the connecting bottom barrel (5-5) are fixedly arranged.
Further, the fastener is one or more of a hose clamp, a rivet, an expansion screw, a bolt, a nut, a screw and a self-tapping screw.
The structural principle of the invention is as follows:
according to the invention, an insert column (4) is vertically inserted on the top surface of a vehicle board (1), a fixed breast board (3) is fixedly connected with a portal frame (2) and the insert column (4), a support column (5) is inserted into a chute (5-2) of a movable breast board (6) through the insert column (4), and the support column (5) and the insert column (4) are fixed; then inserting the movable side boards (6) into the sliding grooves (5-2) of the movable side boards (6) at two sides from top to bottom, and finally embedding the movable side boards (6) into the supporting block bottom grooves (5-3-3); then, a connecting rod (7) is inserted into a connecting top barrel (5-8), the connecting rod (7) slides downwards in an inclined mode through the rotary connecting top barrel (5-8), then a breast board barrel (6-6) is pulled out of a movable breast board cavity (6-2), a reset spring (6-8) extends, a bearing seat limiting hole slides in a cavity sliding groove (6-3), the connecting rod (7) penetrates through the breast board barrel (6-6) and extends into a connecting bottom barrel (5-5), threaded fixation of the connecting rod (7) and the connecting bottom barrel (5-5) can be achieved through the rotary connecting rod (7), and the portal frame (2), the movable breast board (6) and a supporting column (5) are fixed in a limiting mode through the connecting rod (7); finally, the ejector rod (8) can be respectively inserted into the movable breast board top holes (6-9) and the supporting rod top hole, and meanwhile, the top surface of the ejector rod (8) can be coated with a film.
The beneficial effects of the invention are:
the invention can improve the structure of the baffle plate with standard size aiming at the structural form of the baffle plate of the existing trailer, so that the baffle plate has higher height, even the structural form of the trailer plate can be designed into a structure form of being detachable and heightened, the two-layer blocking of the trailer plate of the trailer can be realized by additionally arranging the supporting column and the movable baffle plate on the original structural form of the baffle plate, and the three-layer blocking of the trailer plate structure can be realized by utilizing the matching and fixing of the ejector rod and the baffle plate structure. The breast board structure utilizes the connecting rod and is connected a section of thick bamboo, a breast board section of thick bamboo and be connected the setting of end bucket, can further realize auxiliary positioning with support column and activity breast board, carries out horizontal and longitudinal positioning to the activity breast board, makes the breast board structure form unified whole, and stability is higher. The connecting rod and the breast board barrel are flexibly connected by the return spring, so that the movable breast board structure is protected from being damaged by severe vibration generated by vehicle running, and the service life of the device is long. The whole device is convenient to install, and all parts can be accommodated in a detachable assembly mode; the device has strong structural stability and long service life.
Claims (8)
1. A breast board structure of a safety unpowered trailer comprises a vehicle board, a portal frame, a fixed breast board, an inserting column, a supporting column, a movable breast board, a connecting rod and a mandril;
the portal frame is transversely arranged on the top surface of the sweep, and the portal frame is vertically and fixedly connected with the sweep; the fixed breast boards are arranged on four sides of the sweep, and each fixed breast board is rotatably arranged with the sweep through a shaft; the inserting columns are arranged on four sides of the vehicle board and arranged between the fixed breast boards, and each fixed breast board is fixed through a rotating handle;
the top surface center of each inserted column is of a groove-shaped structure to form an inserted column top groove;
the supporting columns are arranged at the top ends of the inserting columns, the supporting columns are of rectangular prism column structures, supporting column inserting columns are arranged at the bottom ends of the supporting columns, each supporting column inserting column is inserted into the inserting column top groove, and the supporting columns are connected with the inserting columns; the top surfaces of the two sides of the supporting column are of groove-shaped structures to form a movable railing panel sliding chute; the bottom ends of two sides of the supporting column are provided with breast board supporting blocks which are symmetrically arranged, and each breast board supporting block is fixedly connected with the supporting column through welding to form an integrated structure; a bottom barrel bearing seat is arranged on one side wall of the bottom end of the supporting column and is fixed with the supporting column through a fastener; a connecting bottom barrel is arranged on the outer side of the bottom barrel bearing seat, one side wall of the connecting bottom barrel is fixedly connected with a bottom barrel connecting shaft, the other end of the bottom barrel connecting shaft extends into the bottom barrel bearing seat, the bottom barrel connecting shaft is rotatably arranged with the bottom barrel bearing seat through a bearing, and the connecting bottom barrel is rotatably arranged with the supporting column through the matching of the bottom barrel connecting shaft and the bottom barrel bearing seat; a top barrel bearing seat is arranged on one side wall of the top end of the supporting column, the top barrel bearing seat and the bottom barrel bearing seat are arranged in the same direction, and the top barrel bearing seat is fixed with the supporting column through a fastener; the top cylinder bearing block is simultaneously designed at the top end of the side wall of the portal frame; a connecting top barrel is arranged on the outer side of the top barrel bearing seat, one side wall of the connecting top barrel is fixedly connected with one end of a top barrel connecting shaft, the other end of the top barrel connecting shaft extends into the top barrel bearing seat, and the top barrel connecting shaft is rotatably arranged with the top barrel bearing seat through a bearing; the top surface of the support column is in a round hole structure to form a support column top hole;
the movable breast board is arranged between the support columns on two sides, the movable breast board is of a rectangular plate-shaped structure, two sides of the movable breast board are inserted into the movable breast board sliding grooves, and the bottom ends of two sides of the movable breast board are placed on the top surfaces of the breast board support blocks; the center of one side surface of the movable breast board is of a convex structure to form a movable breast board convex block, one side surface of the movable breast board convex block is of a cavity structure to form a movable breast board cavity, and four sides of the inner wall of the movable breast board cavity are of a chute structure to form a cavity chute; a railing panel cylinder bearing seat is arranged in the movable railing panel, the railing panel cylinder bearing seat and the movable railing panel cavity are arranged in a sliding mode, the circumferential direction of the outer wall of the railing panel cylinder bearing seat is of a convex block-shaped structure to form a bearing seat limiting block, and the bearing seat limiting block is embedded into the cavity sliding groove to realize limiting sliding of the railing panel cylinder bearing seat and the cavity sliding groove; a breast board cylinder is arranged on one side of the breast board cylinder bearing seat, one side wall of the breast board cylinder is fixedly connected with one end of a breast board cylinder connecting shaft, the other end of the breast board cylinder connecting shaft extends into the breast board cylinder bearing seat, and the breast board cylinder connecting shaft is rotatably arranged with the breast board cylinder bearing seat through a shaft; a return spring is arranged on one side of the breast board cylinder bearing seat, one end of the return spring is fixedly connected with the breast board cylinder bearing seat, and the other end of the return spring is fixedly connected with one end of the movable breast board cavity; the top end of the movable breast board is in a round hole structure to form a movable breast board top hole;
the connecting rod is of a round rod-shaped structure, a connecting rod lug is arranged at one end of the connecting rod, and one end of the connecting rod extends into the connecting top barrel, the connecting plate barrel and the connecting bottom barrel to realize the fixed arrangement of the connecting rod, the supporting column and the movable plate; the ejector pin set up in the top of activity breast board and support column, the both ends of ejector pin insert respectively in the activity breast board apical pore, realize with both sides the fixed setting of activity breast board, the both ends of ejector pin insert respectively in the support column apical pore, realize with both sides the support column is fixed to be set up.
2. The balustrade structure of a safety unpowered trailer according to claim 1, wherein the support post insert column is a rectangular parallelepiped structure, the size of the support post insert column is slightly smaller than the external size of the support post, and the support post insert column is adapted to the external size of the insert column top groove.
3. The balustrade structure of claim 1, wherein the balustrade support block comprises a support side block and a support bottom block, the support side block is symmetrically arranged at two sides of the support bottom block, and the support side block is vertically and fixedly connected with the support bottom block at each side; the supporting bottom block and the supporting column are arranged vertically, and supporting side blocks and the supporting bottom block on two sides form a supporting block bottom groove.
4. The balustrade structure of claim 3, wherein each of the support side blocks is L-shaped, and the inner wall surface of each support side block is adapted to the inner wall surface of the movable balustrade sliding groove.
5. The balustrade structure of claim 1, wherein the inner wall of the connecting bottom barrel has a screw thread structure to form an internal thread of the connecting bottom barrel.
6. The balustrade structure of a safety unpowered trailer according to claim 1, wherein the connecting top cylinder is cylindrical.
7. The balustrade structure of a safety unpowered trailer according to claim 1 or 6, wherein the inner diameters of the connecting top barrel, the balustrade barrel and the connecting bottom barrel are adapted to the outer diameter of the connecting rod.
8. The balustrade structure of a safety unpowered trailer according to claim 1 or 5, wherein the side wall of the bottom end of the connecting rod is in a thread structure, forming an external thread of the connecting rod, and the external thread of the connecting rod is matched with the internal thread of the connecting bottom barrel, so that the connecting rod and the connecting bottom barrel are fixedly arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911117216.5A CN111071354B (en) | 2019-11-15 | 2019-11-15 | Breast board structure of unpowered trailer of security |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911117216.5A CN111071354B (en) | 2019-11-15 | 2019-11-15 | Breast board structure of unpowered trailer of security |
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| Publication Number | Publication Date |
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| CN111071354A CN111071354A (en) | 2020-04-28 |
| CN111071354B true CN111071354B (en) | 2022-10-11 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206187156U (en) * | 2016-11-25 | 2017-05-24 | 福建武夷汽车制造有限公司 | Semitrailer |
| CN207191188U (en) * | 2017-08-18 | 2018-04-06 | 临工集团济南重机有限公司 | A kind of adjustable for height multipurpose container of side plate |
| CN108545116A (en) * | 2018-06-14 | 2018-09-18 | 蒙城县东正汽车有限公司 | A kind of breast board can increase railing panel semi-trailer |
| US10189511B1 (en) * | 2017-10-31 | 2019-01-29 | Nissan North America, Inc. | Vehicle body barrier |
| CN209321085U (en) * | 2018-12-14 | 2019-08-30 | 营口利环专用汽车实业有限公司 | A kind of easy-to-dismount protective fence of trailer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102191755B (en) * | 2011-04-15 | 2012-12-19 | 蔡文学 | Guardrail device for highway |
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2019
- 2019-11-15 CN CN201911117216.5A patent/CN111071354B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206187156U (en) * | 2016-11-25 | 2017-05-24 | 福建武夷汽车制造有限公司 | Semitrailer |
| CN207191188U (en) * | 2017-08-18 | 2018-04-06 | 临工集团济南重机有限公司 | A kind of adjustable for height multipurpose container of side plate |
| US10189511B1 (en) * | 2017-10-31 | 2019-01-29 | Nissan North America, Inc. | Vehicle body barrier |
| CN108545116A (en) * | 2018-06-14 | 2018-09-18 | 蒙城县东正汽车有限公司 | A kind of breast board can increase railing panel semi-trailer |
| CN209321085U (en) * | 2018-12-14 | 2019-08-30 | 营口利环专用汽车实业有限公司 | A kind of easy-to-dismount protective fence of trailer |
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| CN111071354A (en) | 2020-04-28 |
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