CN114771660B - Telescopic frame of semitrailer - Google Patents
Telescopic frame of semitrailer Download PDFInfo
- Publication number
- CN114771660B CN114771660B CN202210548473.XA CN202210548473A CN114771660B CN 114771660 B CN114771660 B CN 114771660B CN 202210548473 A CN202210548473 A CN 202210548473A CN 114771660 B CN114771660 B CN 114771660B
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- Prior art keywords
- frame
- limiting
- locking grooves
- grooves
- movable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/14—Understructures, i.e. chassis frame on which a vehicle body may be mounted of adjustable length or width
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D63/00—Motor vehicles or trailers not otherwise provided for
- B62D63/06—Trailers
- B62D63/061—Foldable, extensible or yielding trailers
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Handcart (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The application discloses a telescopic frame of a semitrailer, which comprises an outer frame, an inner frame and a telescopic limiting assembly, wherein the left end and the right end of the outer frame are provided with outer movable grooves, a plurality of outer locking grooves are distributed in the length direction of the left end and the right end of the outer frame, and one end of each outer locking groove is communicated with each outer movable groove; the left end and the right end of the inner frame are provided with inner movable grooves corresponding to the outer movable grooves, a plurality of inner locking grooves corresponding to the outer locking grooves one by one are distributed in the length direction of the left end and the right end of the inner frame, one end of each outer locking groove is communicated with each inner movable groove, the outer frame is movably connected to the outer side of the inner frame, and the tail part of the inner frame is provided with an inner connecting chute; the telescopic limiting assembly comprises a plurality of limiting rollers which are in one-to-one correspondence with the outer locking grooves and can penetrate through the outer movable grooves and the inner movable grooves, the limiting rollers can be clamped into the other ends of the outer locking grooves and the inner locking grooves, and when the limiting rollers are clamped into the other ends of the outer locking grooves and the inner locking grooves, the outer frame is fixed relative to the inner frame; the application has compact structure and can realize the adjustment of various lengths of the frame.
Description
Technical Field
The application relates to the technical field of vehicles, in particular to a telescopic frame of a semitrailer.
Background
A semitrailer is a heavy transportation vehicle that is connected to the semitrailer head by a kingpin. Because the semitrailer has different service conditions, the frame with proper length is required to be assembled and connected, and the frame of the semitrailer is often required to be replaced so as to adapt to the use place.
The existing frame connected with the semitrailer is generally of a rigid integral structure, so that the use limitation is caused, and the frame with various lengths is required to be equipped for meeting the use requirement, so that the cost is high, the storage occupied area is large, and the maintenance cost is high.
Disclosure of Invention
This section is intended to outline some aspects of embodiments of the application and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the application and in the title of the application, which may not be used to limit the scope of the application.
The present application has been made in view of the above and/or existing problems with the frames of semitrailers.
Therefore, the application aims to provide a telescopic frame of a semitrailer, which is arranged through a fixed inner frame and a telescopic outer frame, wherein the outer frame can be folded together with the inner frame, and the outer frame can be unfolded backwards and connected with the tail part of the inner frame so as to realize the length adjustment of the frame.
In order to solve the technical problems, the application provides the following technical scheme: a telescopic frame of a semitrailer, which comprises,
the outer frame is provided with outer movable grooves at the left and right ends, a plurality of outer locking grooves are distributed in the length direction of the left and right ends of the outer frame, one end of each outer locking groove is communicated with each outer movable groove, and the outer frame is provided with a movable opening;
the inner frame is characterized in that inner movable grooves corresponding to the outer movable grooves are formed in the left end and the right end of the inner frame, a plurality of inner locking grooves corresponding to the outer locking grooves one by one are distributed in the length direction of the left end and the right end of the inner frame, one end of each outer locking groove is communicated with each inner movable groove, the outer frame can be movably connected to the outer side of the inner frame through a movable opening, and the tail of the inner frame is provided with an inner connecting chute which is vertically arranged;
the telescopic limiting assembly comprises a plurality of limiting rollers which are in one-to-one correspondence with the outer locking grooves, the limiting rollers can penetrate through the outer movable grooves and the inner movable grooves, the limiting rollers can be clamped into the other ends of the outer locking grooves and the inner locking grooves, when the limiting rollers penetrate through the outer movable grooves and the inner movable grooves, the inner frame is movably connected to the inner side of the outer frame, and when the limiting rollers are clamped into the other ends of the outer locking grooves and the inner locking grooves, the outer frame is fixed relative to the inner frame through the limiting rollers.
As a preferable scheme of the telescopic frame of the semitrailer, the application comprises the following steps: the telescopic limiting assembly further comprises a connecting roller, the head part of the outer frame is provided with an outer connecting chute which is vertically arranged, the left end and the right end of the tail part of the inner frame are respectively provided with an inner connecting chute, when the outer frame is fixed relative to the inner frame through the limiting roller, the inner connecting chute is arranged in the direction of one end of the inner frame outwards, and the outer connecting chute is arranged at the other end of the inner frame; when the positions of the outer connecting sliding groove and the inner connecting sliding groove correspond, the connecting rollers are inserted into the outer connecting sliding groove and the inner connecting sliding groove, so that the connecting rollers penetrate through the outer connecting sliding groove and the inner connecting sliding groove.
As a preferable scheme of the telescopic frame of the semitrailer, the application comprises the following steps: the telescopic limiting assembly further comprises a connecting shaft, a through hole is formed in the inner frame below the inner connecting sliding chute, a connecting hole is formed in the outer frame below the outer connecting sliding chute, and when the positions of the outer connecting sliding chute and the inner connecting sliding chute correspond to each other, the connecting shaft penetrates through the connecting hole and the through hole, so that the outer frame is supported on the inner frame.
As a preferable scheme of the telescopic frame of the semitrailer, the application comprises the following steps: the inner side of the tail part of the inner frame is rotatably connected with a supporting shaft, a baffle is arranged on the supporting shaft, the baffle can be rotatably supported on the upper side of the connecting shaft, and when the baffle is abutted on the upper side of the connecting shaft, the bottom side of the connecting roller is contacted with the upper side of the baffle.
As a preferable scheme of the telescopic frame of the semitrailer, the application comprises the following steps: limiting connecting sleeves are connected to the left side and the right side of the connecting roller and are abutted to the left side and the right side of the outer frame.
As a preferable scheme of the telescopic frame of the semitrailer, the application comprises the following steps: both sides of the limiting roller are connected with limiting sleeves, and the limiting sleeves are abutted against the outer side of the outer frame.
As a preferable scheme of the telescopic frame of the semitrailer, the application comprises the following steps: a plurality of material placing plates are arranged on the upper side of the outer frame.
As a preferable scheme of the telescopic frame of the semitrailer, the application comprises the following steps: the left and right ends of the inner frame are all connected with at least one group of hinge assemblies, the hinge assemblies comprise a plurality of hinges connected to the outer side of the inner frame, the inner frame is hinged with a movable plate through the hinge assemblies, the upper end of the inner frame is provided with a plurality of supporting plates, when the hinges are in a vertical state, the movable plates at the left and right ends are closed and attached to the upper sides of the supporting plates, and the movable plates can be outwards unfolded to a horizontal state under the action of the hinges.
As a preferable scheme of the telescopic frame of the semitrailer, the application comprises the following steps: the lower side of back frame afterbody is fixed with the bottom plate, bottom plate upside fixedly connected with supporting seat, rotationally be connected with the transmission shaft on the supporting seat, the both ends of transmission shaft all are connected with the drive wheel, the inboard of back frame all is rotationally connected with from the driving wheel, is connected with drive gear on the driving wheel, the both ends of back frame all are equipped with the sliding tray, back frame has spacing seat through sliding tray sliding connection, a plurality of removal teeth with drive gear engagement of having arranged in spacing seat one side down, open on the back frame with the spacing mouth of interior connection spout intercommunication, be connected with spacing gear on the connecting roller of interior connection spout department, a plurality of spacing teeth of having arranged in the one end of connection spout in the spacing seat relatively, spacing tooth and spacing gear engagement make in the connection spout in the spacing seat can remove stretching into.
As a preferable scheme of the telescopic frame of the semitrailer, the application comprises the following steps: the upper side of the bottom plate is fixedly connected with a driving motor, the driving motor is connected with a driving shaft, a transmission shaft extending into the supporting seat is connected with a transmission bevel gear, and the driving shaft is connected with a driving bevel gear meshed with the transmission bevel gear.
The application has the beneficial effects that: through the arrangement of the inner frame and the outer frame, the length of the frame is adjustable, the application range is wider, and the adjustment is convenient.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:
fig. 1 is a front view of the present application.
Fig. 2 is a perspective view of the first embodiment of the present application in a fully folded state.
Fig. 3 is a partial enlarged view at a in fig. 2.
Fig. 4 is a second perspective view of the fully folded state of the present application.
Fig. 5 is a partial enlarged view at B in fig. 4.
Fig. 6 is a first perspective view of the fully extended state of the present application.
Fig. 7 is a partial enlarged view at C in fig. 6.
Fig. 8 is a second perspective view of the fully extended state of the present application.
Fig. 9 is a partial enlarged view at D in fig. 8.
Fig. 10 is a perspective view of the present application with the outer frame hidden.
In the drawing, a telescopic limiting assembly, a 101 limiting gear, a 102 connecting roller, a 103 connecting shaft, a 104 limiting sleeve, a 105 limiting roller, a 106 driving wheel, a 107 driving shaft, a 108 driving motor, a 109 driving shaft, a 110 driving bevel gear, a 111 driving belt, a 112 driven bevel gear, a 113 limiting seat, a 113a limiting tooth, a 113b moving tooth, a 114 driven wheel, a 115 driving gear, a 116 supporting shaft, a 117 baffle, a 118 limiting connecting sleeve, a 200 movable plate, a 300 inner frame, a 301 limiting opening, a 302 inner movable groove, a 303 inner locking groove, a 304 penetrating opening, a 305 inner connecting chute, a 400 outer frame, a 401 outer movable groove, a 402 outer locking groove, a 403 connecting hole, a 404 outer connecting chute, a 500 material placing plate and a 600 hinge are arranged.
Detailed Description
In order that the above-recited objects, features and advantages of the present application will become more readily apparent, a more particular description of the application will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present application is not limited to the specific embodiments disclosed below.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the application. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1 to 3, in order to provide a first embodiment of the present application, the present embodiment provides a telescopic frame of a semitrailer, which has a simple and compact structure, can implement adjustment of various frame lengths, and has a wider application range.
The telescopic frame of the semitrailer comprises an outer frame 400, wherein a plurality of material placing plates 500 which are convenient for placing goods are arranged on the upper side of the outer frame 400, outer movable grooves 401 are formed in the left end and the right end of the outer frame 400, a plurality of outer locking grooves 402 are arranged in the length direction of the left end and the right end of the outer frame 400, one end of each outer locking groove 402 is communicated with each outer movable groove 401, and movable openings 405 are formed in the outer frame 400;
the vehicle comprises an inner vehicle frame 300, wherein inner movable grooves 302 corresponding to outer movable grooves 401 are formed in the left end and the right end of the inner vehicle frame 300, a plurality of inner locking grooves 303 corresponding to outer locking grooves 402 one by one are distributed in the length direction of the left end and the right end of the inner vehicle frame 300, one end of each outer locking groove 402 is communicated with each inner movable groove 302, the outer vehicle frame 400 can be movably connected to the outer side of the inner vehicle frame 300 through a movable opening 405, an inner connecting sliding groove 305 which is vertically arranged is formed in the tail part of the inner vehicle frame 300, the inner vehicle frame 300 is fixed on a vehicle, and the position of the outer vehicle frame 400 is adjustable;
the telescopic limiting assembly 100 comprises a plurality of limiting rollers 105 which are in one-to-one correspondence with the outer locking grooves 402, the limiting rollers 105 can penetrate through the outer movable grooves 401 and the inner movable grooves 302, the limiting rollers 105 can be clamped into the other ends of the outer locking grooves 402 and the inner locking grooves 303, when the limiting rollers 105 penetrate through the outer movable grooves 401 and the inner movable grooves 302, the inner frame 300 is movably connected to the inner side of the outer frame 400, when the limiting rollers 105 are clamped into the other ends of the locking grooves and the inner locking grooves 303, the outer frame 400 is fixed relative to the inner frame 300 through the limiting rollers 105, limiting sleeves 104 are connected to two sides of the limiting rollers 105, and the limiting sleeves 104 can be connected to the limiting rollers 105 in a threaded mode, so that the limiting sleeves 104 are abutted to the outer side of the outer frame 400.
Further, the telescopic limiting assembly 100 further comprises a connecting roller 102, wherein the left side and the right side of the connecting roller 102 are detachably connected with limiting connecting sleeves 118, the limiting connecting sleeves 118 are in threaded connection with the left side and the right side of the connecting roller 102, the head of the outer frame 400 is provided with an outer connecting sliding groove 404 which is vertically arranged, the left end and the right end of the tail of the inner frame 300 are respectively provided with an inner connecting sliding groove 305, when the outer locking grooves 402 on the outer frame 400 are in one-to-one correspondence with the inner locking grooves 303 on the inner frame 300, the inner connecting sliding groove 305 is arranged in the direction of one end of the inner frame 300 outwards, the outer connecting sliding groove 404 is arranged at the other end of the inner frame 300, the connecting roller 102 is connected in the outer connecting sliding groove 404 of the outer frame 400 at the moment, and the limiting connecting sleeves 118 are abutted against the left side and the right side of the outer frame 400; when the positions of the outer connecting runner 404 and the inner connecting runner 305 correspond, the connecting roller 102 is inserted into the outer connecting runner 404 and the inner connecting runner 305, so that the connecting roller 102 penetrates through the outer connecting runner 404 and the inner connecting runner 305, the limiting connecting sleeve 118 is connected to the outer side of the connecting roller 102, the limiting connecting sleeve 118 limits the movement of the connecting roller 102 in the left-right direction, and the two limiting connecting sleeves 118 are respectively arranged at the left side and the right side of the outer frame 400.
In the initial state, the connecting rollers 102 are connected to the outer frame 400 through the outer connecting sliding grooves 404, the limiting rollers 105 are inserted into the other ends of the outer locking grooves 402 and the inner locking grooves 303, the inner frame 300 is arranged in the movable opening 405 of the outer frame 400, and the outer locking grooves 402 and the inner locking grooves 303 are in one-to-one correspondence, and are in a fully folded state at the moment; when the frame needs to be lengthened, the connecting roller 102 is taken down, the limiting roller 105 is placed at the positions of the outer movable groove 401 and the inner movable groove 302 of the outer frame 400 and the inner frame 300, the outer frame 400 is pulled backwards, the outer locking groove 402 of the head and the inner locking groove 303 of the head are staggered, when the outer locking groove 402 and the proper inner locking groove 303 are aligned, the outer frame 400 is stopped from moving backwards, the limiting roller 105 is clamped into the other ends of the outer locking groove 402 and the inner locking groove 303, the relative fixation of the outer frame 400 and the inner frame 300 is realized, and therefore the overall length of the frame is adjusted, and the adjustment is convenient.
Example 2
Referring to fig. 4 to 10, in a second embodiment of the present application, a telescopic frame of a semitrailer is provided, which can further extend the length of the frame and expand the application range.
The telescopic frame of the semitrailer, wherein, both ends all connect with at least a pack of hinge assemblies about the inner frame 300, in this embodiment, both ends all connect with two pack of hinge assemblies about the inner frame 300, the hinge assemblies include connecting a plurality of hinges 600 outside the inner frame 300, the inner frame 300 has a movable plate 200 through the hinge assemblies hinge, the upper end of the inner frame 300 has a plurality of backup pads arranged, when the hinge 600 is in the vertical state, the movable plate 200 at both ends closes and laminates in the backup pad upside, at this moment the inner frame 300 is in the outer frame 400; when the outer frame 400 is at the rear end of the inner frame 300, the movable plate 200 is rotated, and the movable plate 200 is unfolded to be horizontal by the hinge 600, thereby expanding the area of the inner frame 300 where the goods are placed.
Further, the telescopic limiting assembly 100 further comprises a connecting shaft 103, a through hole 304 is formed in the inner frame 300 below the inner connecting sliding chute 305, a connecting hole 403 is formed in the outer frame 400 below the outer connecting sliding chute 404, when the positions of the outer connecting sliding chute 404 and the inner connecting sliding chute 305 correspond, the connecting shaft 103 passes through the connecting hole 403 and the through hole 304, the outer frame 400 is supported on the inner frame 300, a supporting shaft 116 is rotatably connected to the inner side of the tail of the inner frame 300, a baffle 117 is arranged on the supporting shaft 116, the baffle 117 can be rotatably supported on the upper side of the connecting shaft 103, and when the baffle 117 abuts against the upper side of the connecting shaft 103, the bottom side of the connecting roller 102 contacts with the upper side of the baffle 117.
In order to further improve the reliability of the structure of the outer frame 400 connected to the inner fixing frame, a bottom plate is fixed on the lower side of the tail of the inner frame 300, a supporting seat is fixedly connected on the upper side of the bottom plate, a transmission shaft 107 is rotatably connected to the supporting seat, two ends of the transmission shaft 107 are both connected with a transmission wheel 106, two ends of the transmission shaft 107 are rotatably connected to the inner frame 300, the inner side of the inner frame 300 is rotatably connected with a driven wheel 114, the transmission wheel 106 is connected with the corresponding driven wheel 114 through a transmission belt 111, the driven wheel 114 is connected with a transmission gear 115, two ends of the inner frame 300 are both provided with sliding grooves, the inner frame 300 is slidably connected with a limiting seat 113 through the sliding grooves, a plurality of moving teeth 113b meshed with the transmission gear 115 are distributed on the downward side of the limiting seat 113 extending into the movable opening 405, a limiting opening 301 communicated with the inner connecting sliding groove 305 is formed in the inner frame 300, a limiting gear 101 is connected to the connecting roller 102 at the inner connecting sliding groove 305, one end of the limiting seat 113 is distributed with a plurality of limiting teeth 113a relatively to the inner connecting sliding groove 305, and the limiting seat 113 can move into the inner connecting sliding groove 305 to enable the limiting teeth 113a to be meshed with the gear 101.
In order to further facilitate the limit of the limit seat 113 to the limit gear 101, a driving motor 108 is fixedly connected to the upper side of the bottom plate, a driving shaft 109 is connected to the driving motor 108, a transmission bevel gear 112 is connected to a transmission shaft 107 extending into the support seat, and a driving bevel gear 110 meshed with the transmission bevel gear 112 is connected to the driving shaft 109.
In the initial state, the connecting shaft 103 is spliced on the outer frame 400 through the connecting hole 403; when the frame needs to be lengthened to the longest distance, the limit roller 105 is disassembled, the connecting shaft 103 is pulled out, the outer frame 400 is pulled back, when the outer connecting sliding chute 404 is aligned with the inner connecting sliding chute 305, the connecting shaft 103 passes through the connecting hole 403 and the through hole 304 to realize the preliminary fixing of the outer frame 400 and the inner frame 300, the connecting roller 102 is inserted into the outer connecting sliding chute 404 and the inner connecting sliding chute 305, the positions of the limit gear 101 and the limit hole 301 correspond, the limit connecting sleeve 118 is connected to the outer side of the connecting roller 102, and the limit connecting sleeve 118 limits the movement of the connecting roller 102 in the left-right direction; the baffle 117 is rotated to enable the lower side of the baffle 117 to be supported on the connecting shaft 103, the lower edge of the connecting roller 102 is contacted with the upper side of the baffle 117, in order to further limit the movement of the connecting roller 102 in the height direction, the driving motor 108 acts, the driving shaft 109 rotates, the driving bevel gear 110 drives the transmission bevel gear 112 to rotate, the transmission bevel gear 112 drives the transmission shaft 107 to drive the two transmission wheels 106 to rotate, the transmission wheels 106 drive the driven wheels 114 to rotate through the transmission belt 111, the driven wheels 114 drive the transmission gear 115 to rotate, the transmission gear 115 drives the limiting seat 113 to move, the action direction of the driving motor 108 is controlled, the limiting seat 113 slides towards the direction of the limiting gear 101, the limiting seat 113 stretches into the inner connecting chute 305 along the limiting opening 301, when the limiting teeth 113a are inserted into the tooth grooves on the limiting gear 101, the driving motor 108 stops acting to limit the movement of the connecting roller 102 in the height direction, meanwhile, the movement of the baffle 117 in the height direction can also be limited, the connection of the inner frame 300 and the outer frame 400 can be further realized, and the reliability of the structure when the outer frame 400 is connected to the inner frame 300 can be further improved; when the distance needs to be shortened, the driving motor 108 acts reversely, the limiting seat 113 moves in a reaction manner, so that the limiting teeth 113a leave the limiting gear 101, the limiting connecting sleeve 118 is disassembled, the connecting roller 102 is moved out, and the reverse operation as in the embodiment 1 is performed, so that the description is omitted; the embodiment can further prolong the total length of the frame, has wider application range, compact and ingenious realized structure and reliable structure.
It should be noted that the above embodiments are only for illustrating the technical solution of the present application and not for limiting the same, and although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present application may be modified or substituted without departing from the spirit and scope of the technical solution of the present application, which is intended to be covered in the scope of the claims of the present application.
Claims (7)
1. The utility model provides a flexible frame of semitrailer which characterized in that: which comprises the steps of (a) a step of,
the outer frame (400), the left and right ends of the outer frame (400) are provided with outer movable grooves (401), a plurality of outer locking grooves (402) are distributed on the length direction of the left and right ends of the outer frame (400), one end of each outer locking groove (402) is communicated with each outer movable groove (401), and the outer frame (400) is provided with a movable opening (405);
the bicycle comprises an inner bicycle frame (300), wherein inner movable grooves (302) corresponding to outer movable grooves (401) are formed in the left end and the right end of the inner bicycle frame (300), a plurality of inner locking grooves (303) corresponding to outer locking grooves (402) one by one are distributed in the length direction of the left end and the right end of the inner bicycle frame (300), one end of each outer locking groove (402) is communicated with each inner movable groove (302), the outer bicycle frame (400) can be movably connected to the outer side of the inner bicycle frame (300) through movable openings (405), and inner connecting sliding grooves (305) are formed in the tail portion of the inner bicycle frame (300) in a vertical mode;
the telescopic limiting assembly (100), the telescopic limiting assembly (100) comprises connecting rollers (102), a connecting shaft (103), a plurality of limiting rollers (105) which are in one-to-one correspondence with the outer locking grooves (402), wherein the limiting rollers (105) can penetrate through the outer locking grooves (401) and the inner locking grooves (302), the limiting rollers (105) can be clamped into the other ends of the outer locking grooves (402) and the inner locking grooves (303), when the limiting rollers (105) penetrate through the outer locking grooves (401) and the inner locking grooves (302), the inner frame (300) is movably connected to the inner side of the outer frame (400), and when the limiting rollers (105) are clamped into the other ends of the locking grooves and the inner locking grooves (303), the outer frame (400) is fixed relative to the inner frame (300); the head of the outer frame (400) is provided with an outer connecting chute (404) which is vertically arranged, the left end and the right end of the tail of the inner frame (300) are both provided with inner connecting chutes (305), when the outer frame (400) is fixed relative to the inner frame (300) through limit rollers (105), the inner connecting chute (305) is arranged in the direction of one end of the inner frame (300) outwards, and the outer connecting chute (404) is arranged at the other end of the inner frame (300); when the positions of the outer connecting sliding groove (404) and the inner connecting sliding groove (305) correspond, the connecting roller (102) is inserted into the outer connecting sliding groove (404) and the inner connecting sliding groove (305), so that the connecting roller (102) penetrates through the outer connecting sliding groove (404) and the inner connecting sliding groove (305), a through hole (304) is formed in the inner frame (300) below the inner connecting sliding groove (305), a connecting hole (403) is formed in the outer frame (400) below the outer connecting sliding groove (404), when the positions of the outer connecting sliding groove (404) and the inner connecting sliding groove (305) correspond, the connecting shaft (103) penetrates through the connecting hole (403) and the through hole (304), the outer frame (400) is supported on the inner frame (300), a bottom plate is fixed on the lower side of the tail of the inner frame (300), a supporting seat is fixedly connected to the upper side of the bottom plate, a transmission shaft (107) is rotatably connected to the supporting seat, two ends of the transmission shaft (107) are both connected with a transmission wheel (106), the inner side of the inner frame (300) is rotatably connected with a driven wheel (114), both sliding frames (114) are connected with the driven wheel (300) through the sliding seat (114), the limiting seat (113) is provided with a plurality of movable teeth (113 b) meshed with the transmission gear (115) in a downward direction, the inner frame (300) is provided with a limiting opening (301) communicated with the inner connecting sliding chute (305), the connecting roller (102) at the inner connecting sliding chute (305) is connected with a limiting gear (101), one end of the limiting seat (113) opposite to the inner connecting sliding chute (305) is provided with a plurality of limiting teeth (113 a), and the limiting seat (113) can move to extend into the inner connecting sliding chute (305) to enable the limiting teeth (113 a) to be meshed with the limiting gear (101).
2. The semitrailer telescoping frame as recited in claim 1, wherein: the inner side of the tail part of the inner frame (300) is rotatably connected with a supporting shaft (116), a baffle plate (117) is arranged on the supporting shaft (116), the baffle plate (117) can be rotatably supported on the upper side of the connecting shaft (103), and when the baffle plate (117) is abutted to the upper side of the connecting shaft (103), the bottom side of the connecting roller (102) is contacted with the upper side of the baffle plate (117).
3. A telescopic frame for a semitrailer as claimed in claim 1 or 2, wherein: limiting connecting sleeves (118) are connected to the left side and the right side of the connecting roller (102), and the limiting connecting sleeves (118) are abutted to the left side and the right side of the outer frame (400).
4. A telescopic frame for a semitrailer as claimed in claim 1 or 2, wherein: both sides of the limiting roller (105) are connected with limiting sleeves (104), and the limiting sleeves (104) are abutted to the outer side of the outer frame (400).
5. A telescopic frame for a semitrailer as claimed in claim 1 or 2, wherein: a plurality of material placing plates (500) are arranged on the upper side of the outer frame (400).
6. A telescopic frame for a semitrailer as claimed in claim 1 or 2, wherein: the utility model discloses a bicycle frame, including frame (300), both ends all are connected with at least a set of articulated subassembly about, articulated subassembly is including connecting a plurality of hinge (600) in the frame (300) outside, frame (300) have fly leaf (200) in articulated through articulated subassembly, and a plurality of backup pads have been arranged to the upper end of frame (300), when hinge (600) are in vertical state, the fly leaf (200) at both ends are closed the laminating in the backup pad upside about, fly leaf (200) can outwards expand to the horizontality under the effect of hinge (600).
7. A telescopic frame for a semitrailer as claimed in claim 1 or 2, wherein: the driving motor (108) is fixedly connected to the upper side of the bottom plate, the driving motor (108) is connected with a driving shaft (109), a transmission bevel gear (112) is connected to a transmission shaft (107) extending into the supporting seat, and a driving bevel gear (110) meshed with the transmission bevel gear (112) is connected to the driving shaft (109).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210548473.XA CN114771660B (en) | 2022-05-20 | 2022-05-20 | Telescopic frame of semitrailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210548473.XA CN114771660B (en) | 2022-05-20 | 2022-05-20 | Telescopic frame of semitrailer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114771660A CN114771660A (en) | 2022-07-22 |
| CN114771660B true CN114771660B (en) | 2023-09-08 |
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ID=82409626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210548473.XA Active CN114771660B (en) | 2022-05-20 | 2022-05-20 | Telescopic frame of semitrailer |
Country Status (1)
| Country | Link |
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| CN (1) | CN114771660B (en) |
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| CN215097823U (en) * | 2021-07-31 | 2021-12-10 | 河北华佑顺驰专用汽车有限公司 | Container transport semi-trailer with detachable frame |
| CN215883840U (en) * | 2021-07-20 | 2022-02-22 | 嘉世利运搬装置制造（扬州）有限公司 | Cargo bed telescopic frame of semitrailer |
| CN216508591U (en) * | 2021-11-09 | 2022-05-13 | 山东辉煌专用车有限公司 | Telescopic frame of low flat-bed semi-trailer |
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| CN101032979A (en) * | 2007-03-30 | 2007-09-12 | 陈春杰 | Telescopic semi-trailer for container |
| CN201154735Y (en) * | 2007-12-25 | 2008-11-26 | 中国国际海运集装箱(集团)股份有限公司 | Collapsible container transportation framework semi-trailer |
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| CN105416402A (en) * | 2015-12-28 | 2016-03-23 | 东莞市永强汽车制造有限公司 | Retractable frame for low flat-bed semitrailer |
| CN110435767A (en) * | 2019-08-05 | 2019-11-12 | 南京工程学院 | A kind of electric automobile frame that wheelbase is variable |
| CN111619427A (en) * | 2020-06-15 | 2020-09-04 | 枣庄联泰专用车辆制造有限公司 | Novel self-discharging semitrailer |
| CN215883840U (en) * | 2021-07-20 | 2022-02-22 | 嘉世利运搬装置制造（扬州）有限公司 | Cargo bed telescopic frame of semitrailer |
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| CN216508591U (en) * | 2021-11-09 | 2022-05-13 | 山东辉煌专用车有限公司 | Telescopic frame of low flat-bed semi-trailer |
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| CN114771660A (en) | 2022-07-22 |
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