CN113844546A - Raising type trailer frame with radian - Google Patents
Raising type trailer frame with radian Download PDFInfo
- Publication number
- CN113844546A CN113844546A CN202111162157.0A CN202111162157A CN113844546A CN 113844546 A CN113844546 A CN 113844546A CN 202111162157 A CN202111162157 A CN 202111162157A CN 113844546 A CN113844546 A CN 113844546A
- Authority
- CN
- China
- Prior art keywords
- rod
- arc
- traction
- curved
- frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
- B62D21/18—Understructures, i.e. chassis frame on which a vehicle body may be mounted characterised by the vehicle type and not provided for in groups B62D21/02 - B62D21/17
- B62D21/20—Understructures, i.e. chassis frame on which a vehicle body may be mounted characterised by the vehicle type and not provided for in groups B62D21/02 - B62D21/17 trailer type, i.e. a frame specifically constructed for use in a non-powered vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60D—VEHICLE CONNECTIONS
- B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
- B60D1/14—Draw-gear or towing devices characterised by their type
- B60D1/167—Draw-gear or towing devices characterised by their type consisting of articulated or rigidly assembled bars or tubes forming a V-, Y-, or U-shaped draw gear
Abstract
The invention discloses a lifting trailer frame with radian, which comprises a support frame and a traction rod, wherein the support frame comprises two arc rods which are symmetrically arranged, the arc rods are gradually lifted and extended from bottom to top to form an upward arch, and the two arc rods are gradually closed in the lifting and extending process and are connected at the top ends; a first cross rod and a straight rod are arranged between the two arc-shaped rods, the first cross rod is connected to the middle parts of the two arc-shaped rods, and the straight rod is vertically arranged between the connecting position of the two arc-shaped rods and the first cross rod; the traction rod is arranged at the front end of the support frame and is positioned on the extension line of the straight rod, and the front end of the traction rod is provided with a wearable traction piece. The invention adopts the gradually-raised arc-shaped rod, which is more in line with the ergonomics and saves more labor for the traction of a tractor; the cambered surface that the support frame was injectd can form a triangle space that supplies the tractor to lift the leg between tractor low limbs and trailer, not only can realize the standing position and pull, still can realize the prone position and pull in order to satisfy the use of narrow region and special environment, and the functionality is stronger.
Description
Technical Field
The invention belongs to the technical field of trailers and particularly relates to a cambered lifting type trailer frame.
Background
The trailer frame is the important part of trailer, its mainly used gives the trailer with the traction force transmission that provides of tractor, with the marching speed and the direction of travel of control trailer, current trailer frame is many to be set up with the loading bottom plate board of trailer is perpendicular, loading bottom plate level sets up and is used for loading the thing of carrying promptly, the vertical extension that sets up of frame, the frame of upright setting is not conform to ergonomic, the human normal walking posture of unable adaptation, the tractor need adjust the posture in order to adapt to the frame when drawing it, hard and easy fatigue, and current frame function singleness, can't cooperate the tractor to pull in narrow space.
Disclosure of Invention
The invention provides a cambered lifting type trailer frame, which aims at solving the problems that in the prior art, when a trailer frame is matched with a tractor to pull a trailer, the trailer frame is labor-consuming and easy to fatigue and has a single function.
The invention aims to be realized by the following technical scheme:
a lifting trailer frame with radian comprises a support frame and a traction rod, wherein the support frame comprises two arc-shaped rods which are symmetrically arranged, the arc-shaped rods gradually lift and extend from bottom to top to form an upward arch, and the two arc-shaped rods gradually approach each other in the lifting and extending process and are connected at the top ends; a first cross rod and a straight rod are arranged between the two arc-shaped rods, the first cross rod is connected to the middle parts of the two arc-shaped rods, and the straight rod is vertically arranged between the connecting position of the two arc-shaped rods and the first cross rod; the traction rod is arranged at the front end of the support frame and is positioned on the extension line of the straight rod, and the front end of the traction rod is provided with a wearable traction piece. The support frame adopts the arc-shaped rod which is gradually raised, so that the support frame is more in line with ergonomics, a tractor can save more labor when in traction, the arc-shaped surface defined by the support frame can form a triangular space for the tractor to lift the legs between the lower limbs of the tractor and the trailer, the tractor can adopt a normal walking posture to pull the trailer, the posture is not required to be adjusted, and the labor is saved; the triangular space can realize standing traction and lying traction to meet the use requirements of narrow areas and special environments, and the functionality is stronger; the traction rod is arranged on the extension line of the straight rod to form a forward-inclined posture so as to be matched with the lifting posture of the support frame, and the effectiveness of traction force transmission is ensured; the wearable traction piece can liberate both hands of a tractor, and is matched with standing posture traction and prone posture traction, so that the wearable traction piece is more convenient and fast.
Preferably, the straight rod is of a hollow structure, a cavity for accommodating the traction rod is formed in the straight rod, and the traction rod is telescopically arranged at the upper end of the straight rod. The traction rod is connected with the support frame in a telescopic mode, the height of the whole frame can be adjusted to adapt to users with different heights, the traction rod is arranged in a forward tilting mode, the distance between the frame and a tractor is adjusted while the height of the frame is adjusted, and the adaptability is strong.
Preferably, the radian angle of the arc-shaped rod is 60-70 degrees, the vertical height of the arc-shaped rod is 700-800mm, and the vertical height of the traction rod is 350-400 mm. The fixed height of the arc-shaped rod is added with the variable height of the traction rod, and then the radian of the arc-shaped rod is matched, so that the matching degree of the trailer frame and a person can be effectively improved, the condition that the user lifts legs when the trailer frame moves forwards along with the user is avoided, the advancing resistance is reduced, the user can drag the trailer while walking normally, and convenience and labor saving are realized; the vertical height of the traction rod can be extended and contracted according to the height of a user so as to be matched with different heights.
Preferably, the radian angle of the arc-shaped rod is 65 degrees; the vertical height of the arc-shaped rod is 716mm, and the vertical height of the traction rod is 374 mm. The radian and the vertical height are based on the shank adding height of a common person and are combined with the optimal data measured by the step pitch, so that the trailer frame can adapt to male and female users with different heights and ages.
Preferably, the upper end of the traction rod is formed with a force application end head, and the force application end head bends and extends towards the direction far away from the loading bottom plate. The bending arrangement of the force application end can enable the trailer frame and a user to have a proper distance, and particularly when the user is used in a prone position, the bent and extended force application end can be matched with the raised frame to enable the trailer frame to be suspended in the air, so that a moving space is provided for the user; moreover, the pulling force that extends towards the user's bending can be effectively transmitted the trailer with the traction force that the user applyed, and is more laborsaving.
Preferably, the force application end head of the traction rod is detachably connected with the traction piece. The detachable connection is adopted to facilitate loading and unloading.
Preferably, the traction piece is a shoulder strap, the shoulder strap comprises a shoulder strap and a waist strap, a hard connecting plate is arranged on the waist strap, and a connecting piece matched with the force application end is arranged on the connecting plate.
Preferably, the upper ends of the arc-shaped rods are respectively provided with a horizontal bending section, and the horizontal bending sections are bent oppositely and extend to be connected to the straight rod. The intensity of whole frame can be improved in the setting of horizontal bending section, improves the loading capacity of trailer, avoids the arc pole to connect position stress concentration.
Preferably, a second cross rod is arranged between the two arc-shaped rods and is parallel to the first cross rod and connected to the lower parts of the two arc-shaped rods. The setting of two horizontal poles not only can improve the intensity of whole frame, can also provide suitable installation position for the annex that adds in the trailer use.
Preferably, the support frame is provided with a mounting hole for mounting an accessory. The setting of mounting hole can cooperate different annex adaptation different scenes, improves trailer functionality.
Compared with the prior art, the invention has the following technical effects: the trailer frame has a simple and compact integral structure, accords with human engineering, and saves more labor when a tractor pulls; the arc-shaped surface defined by the support frame can form a triangular space for the tractor to lift legs between the lower limbs of the tractor and the trailer, the tractor can adopt a normal walking posture to pull the trailer, the posture is not required to be adjusted, and the labor is saved; the triangular space can realize standing traction and lying traction to meet the use requirements of narrow areas and special environments, and the functionality is stronger; the vertical height and the radian of the arc-shaped rod are combined with a large amount of data to be optimally selected, so that the use of most people can be met; the telescopic draw bar can adjust the overall height of the frame and the distance between the frame and a tractor, and the adaptability of the frame is further improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the assembly structure of the present invention with a loading dock;
fig. 3 is a schematic structural view of the traction member of the present invention.
The labels in the figure are: an arc-shaped rod 11; a horizontal bending section 111; a first crossbar 12; a second cross bar 13; a straight rod 14; a mounting hole 16; a waist-shaped hole 16; a drawbar 21; a force application tip 22; shoulder straps 31; a waistband 32; a connecting plate 33; a loading floor 40.
Detailed Description
The invention will be further described with reference to examples of embodiments shown in the drawings to which:
as shown in fig. 1 to 3, the present embodiment discloses a curved lift-up trailer frame, which is made of an alloy with high temperature and pressure resistance, corrosion resistance, deformation resistance, and good ductility and is installed above a loading floor 40. The trailer frame comprises a support frame and a traction rod 21, wherein the support frame comprises two arc-shaped rods 11 which are symmetrically arranged, the arc-shaped rods 11 are gradually raised and extended from bottom to top to form an upward arch, and the two arc-shaped rods 11 are gradually drawn together in the raising and extending process and are connected at the top ends. The main part of support frame adopts the arc tripod structure, can be when guaranteeing the support frame support steadiness, the volume of minimize support frame, matter is light conveniently to be accomodate, moreover, it adopts the arc and rises gradually and draws in the structure that can improve trailer and the cooperation degree of tractor, at first, the traction force that the tractor provided can effectively be given the trailer, furthermore, the structure that the arc was raised accords with ergonomic, can satisfy the tractor simultaneously and pull upright and the prone position pulls, and can provide sufficient action space for the tractor, so that the tractor adopts moving ahead of normal posture to pull, convenient to use laborsaving.
Establish first horizontal pole 12 and second horizontal pole 13 between two arc poles 11, two horizontal pole interval parallel arrangement, wherein first horizontal pole 12 is connected in two arc poles 11 middle parts, and second horizontal pole 13 is connected in two arc poles 11 lower parts, and the holding power of support frame not only can be strengthened in the setting of two horizontal poles, can also provide the installation position for various annex to improve the functionality of trailer. The trailer can be used as a luggage trailer by matching with an elastic band, one end of the elastic band is fixedly connected to the tail end of the loading bottom plate 40, the other end of the elastic band is provided with a hook which can be hooked on the first cross bar 12 and the second cross bar 13, and the elastic band can be used for fixing whether large luggage or small luggage, soft luggage or hard luggage can be placed on the loading bottom plate 40 and can be hooked on the first cross bar 12 or the second cross bar 13 according to the size of the luggage; the trailer can be matched with a hook to be used as a vegetable buying cart, the upper end of the hook is provided with a flexible belt, the hook is hung on the first cross rod 12 through the flexible belt, and a bag is hung on the hook and can be kept in a vertical state all the time, so that the bag containing liquid can be transported; can regard as the perambulator to use after the trailer installs the pocket bag fast additional, this pocket bag adopts tough waterproof material to there are the design in two holes in the bottom, supply the baby to stretch out the both legs, all offer the mounting hole 16 that is used for fixed pocket area on 11 upper portions of arc pole and the first horizontal pole 12 of support frame, waist shape hole 16 has been seted up to the lower part of arc pole 11, can be used to install little footboard, provide the support for baby's both feet, and the height of little footboard can carry out position control according to baby's height.
Still be equipped with a straight-bar 14 between two curved poles 11, straight-bar 14 hangs down to be located between two curved poles 11 junction and the first horizontal pole 12, straight-bar 14 is hollow structure, and its inside is formed with the cavity that is used for holding traction lever 21, and traction lever 21 is installed in the straight-bar 14 upper end telescopically, establishes the locking sleeve between the lower extreme of traction lever 21 and straight-bar 14, and traction lever 21 adopts the telescopic mounting means, not only can improve the suitability of trailer, satisfies the drafter of different heights, can also be reducing the volume of accomodating of trailer.
A first cross rod 12 and a straight rod 14 are arranged between the two arc-shaped rods 11, the first cross rod 12 is connected to the middle portions of the two arc-shaped rods 11, the straight rod 14 is vertically arranged between the connecting position of the two arc-shaped rods 11 and the first cross rod 12, the straight rod 14 is of a hollow structure, a cavity for accommodating a traction rod 21 is formed in the straight rod 14, the traction rod 21 is telescopically arranged at the upper end of the straight rod 14, a locking sleeve is arranged between the lower end of the traction rod 21 and the straight rod 14, the traction rod 21 is connected with a support frame in a telescopic mode, the height of the whole frame can be adjusted to adapt to users with different heights, the traction rod 21 is arranged in a forward tilting mode, the distance between the frame and a tractor is adjusted while the height of the frame is adjusted, and the adaptability is high.
The upper end of the traction rod 21 is formed with a force application end 22, the force application end 22 extends towards the direction far away from the loading bottom plate 40 in a bending way, the force application end 22 is arranged in a bending way to enable a proper distance to be reserved between the trailer frame and a user, and particularly when the user is used in a prone position, the force application end 22 extending in a bending way can be matched with the raised frame to enable the trailer frame to be suspended in the air, so that a moving space is provided for the user; moreover, the force application end 22 extending towards the user can effectively transfer the traction force applied by the user to the trailer, which is more labor-saving; the force application end 22 of the traction rod 21 is detachably connected with a wearable traction piece, the traction piece is a shoulder strap in this embodiment, the shoulder strap comprises a shoulder strap 31 and a waist strap 32, a hard connecting plate 33 is arranged on the waist strap 32, a connecting piece matched with the force application end 22 is arranged on the connecting plate 33, the connecting piece is a hidden buckle in this embodiment, and the force application end 22 is clamped with the shoulder strap.
In order to enable a tractor to obtain a comfortable posture during forward traction, the invention performs measurement and calculation by combining the leg height, the height and the step size of men and women in different age groups, and the calculation formula is that the height multiplied by 0.145 is step distance (male) and the height multiplied by 0.413 is step distance (female), and finally the optimum height range of the frame is determined. The fixed height of the arc-shaped rod 11 and the variable height of the traction rod 21 are matched with the radian of the arc-shaped rod 11, so that the degree of matching between the trailer and a person can be effectively improved, the condition that the user lifts the legs of the trailer in the process of advancing along with the user is avoided, the advancing resistance is reduced, the tractor can be pulled while walking normally, and convenience and labor saving are realized; the vertical height of the traction rod 21 can be extended and contracted according to the height of a tractor so as to be matched with different heights. In this embodiment, the arc angle of the arc rod 11 is 65 °; the vertical height of the arc-shaped rod 11 is 716mm, and the vertical height of the traction rod 21 is 374 mm. The data according to are as follows:
the upper end of arc pole 11 all is formed with horizontal bending section 111, horizontal bending section 111 buckles in opposite directions to extend and be connected to straight-bar 14, horizontal bending section 111's setting can improve the intensity of whole frame, improves the loading capacity of trailer, avoids arc pole 11 to connect a position stress concentration.
It is to be understood that in the claims, the specification of the present invention, all "including … …" are to be interpreted in an open-ended sense, i.e., in a sense equivalent to "including at least … …", and not in a closed sense, i.e., in a sense not to be interpreted as "including only … …". The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and those skilled in the art should cover all the changes, modifications, additions and substitutions within the spirit of the present invention.
Claims (10)
1. The lifting type trailer frame with the radian is characterized by comprising a support frame and a traction rod, wherein the support frame comprises two arc-shaped rods which are symmetrically arranged, the arc-shaped rods gradually lift and extend from bottom to top to form an upward arch, and the two arc-shaped rods gradually approach each other in the lifting and extending process and are connected at the top ends; a first cross rod and a straight rod are arranged between the two arc-shaped rods, the first cross rod is connected to the middle parts of the two arc-shaped rods, and the straight rod is vertically arranged between the connecting position of the two arc-shaped rods and the first cross rod; the traction rod is arranged at the front end of the support frame and is positioned on the extension line of the straight rod, and the front end of the traction rod is provided with a wearable traction piece.
2. A curved lift-up trailer frame as claimed in claim 1 wherein said rod is hollow and has a cavity formed therein for receiving a drawbar which is telescopically mounted on the upper end of the rod.
3. The rising trailer frame with curvature of claim 1, wherein the curvature of the curved rod is 60-70 °, the vertical height of the curved rod is 700 and 800mm, and the vertical height of the drawbar is 350 and 400 mm.
4. A raise trailer frame having a camber as claimed in claim 3, wherein said camber of said curved rod is 65 °; the vertical height of the arc-shaped rod is 716mm, and the vertical height of the traction rod is 374 mm.
5. A curved lift-up trailer frame as claimed in any one of claims 1 to 4 wherein the upper end of the drawbar is formed with a force application point which extends in a curved manner away from the load floor.
6. A curved lift-up trailer frame as claimed in claim 5 wherein said drawbar has a force applying end removably connected to said drawbar.
7. A curved lift-up trailer frame as claimed in claim 6 wherein said towing means is a harness comprising shoulder straps and a waist strap having a rigid web with a connector adapted to mate with the force application end.
8. A curved lift-up trailer frame as claimed in claim 1 wherein the upper ends of said curved rods are each formed with a horizontal bend section that is bent towards each other and is extendedly connected to a straight rod.
9. A raiser truck frame having a camber as defined in claim 1, wherein a second cross bar is further provided between the two curved bars, the second cross bar being disposed parallel to the first cross bar and connected to lower portions of the two curved bars.
10. The curved raise trailer frame according to claim 9, wherein the support frame is provided with mounting holes for mounting accessories.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111162157.0A CN113844546A (en) | 2021-09-30 | 2021-09-30 | Raising type trailer frame with radian |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111162157.0A CN113844546A (en) | 2021-09-30 | 2021-09-30 | Raising type trailer frame with radian |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113844546A true CN113844546A (en) | 2021-12-28 |
Family
ID=78977532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111162157.0A Pending CN113844546A (en) | 2021-09-30 | 2021-09-30 | Raising type trailer frame with radian |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113844546A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7422223B1 (en) * | 2004-09-15 | 2008-09-09 | David Joseph Silliman | Personal, lumbar friendly cargo carrier pack sled |
| CN203698316U (en) * | 2013-11-29 | 2014-07-09 | 浙江科隆五金有限公司 | Convenient luggage cart |
| DE202014007028U1 (en) * | 2014-08-28 | 2014-10-13 | Michael Schradin | Transport device for toddlers for comfortable and effort-saving transport of children during hiking and trekking tours - trekking train carriage |
| US20160101800A1 (en) * | 2013-10-09 | 2016-04-14 | Glidemachines, Llc | Apparatus and method for towing a load by a person |
| US20170267270A1 (en) * | 2014-12-05 | 2017-09-21 | New West Analytics Corporation | Harness and pulling assembly |
| US20200223461A1 (en) * | 2019-01-16 | 2020-07-16 | Inodens Ltd. | Carrying device and a system comprising the same |
| US20200283050A1 (en) * | 2017-02-15 | 2020-09-10 | Runoceros Fitness Corporation | Push-to-Pull Convertible Carriage |
| CN212529681U (en) * | 2020-05-12 | 2021-02-12 | 山东电力建设第三工程有限公司 | Novel pipeline consignment tool |
| WO2021028137A1 (en) * | 2019-08-15 | 2021-02-18 | Thomas Steiner | Transport device having a rolling body |
-
2021
- 2021-09-30 CN CN202111162157.0A patent/CN113844546A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7422223B1 (en) * | 2004-09-15 | 2008-09-09 | David Joseph Silliman | Personal, lumbar friendly cargo carrier pack sled |
| US20160101800A1 (en) * | 2013-10-09 | 2016-04-14 | Glidemachines, Llc | Apparatus and method for towing a load by a person |
| CN203698316U (en) * | 2013-11-29 | 2014-07-09 | 浙江科隆五金有限公司 | Convenient luggage cart |
| DE202014007028U1 (en) * | 2014-08-28 | 2014-10-13 | Michael Schradin | Transport device for toddlers for comfortable and effort-saving transport of children during hiking and trekking tours - trekking train carriage |
| US20170267270A1 (en) * | 2014-12-05 | 2017-09-21 | New West Analytics Corporation | Harness and pulling assembly |
| US20200283050A1 (en) * | 2017-02-15 | 2020-09-10 | Runoceros Fitness Corporation | Push-to-Pull Convertible Carriage |
| US20200223461A1 (en) * | 2019-01-16 | 2020-07-16 | Inodens Ltd. | Carrying device and a system comprising the same |
| WO2021028137A1 (en) * | 2019-08-15 | 2021-02-18 | Thomas Steiner | Transport device having a rolling body |
| CN212529681U (en) * | 2020-05-12 | 2021-02-12 | 山东电力建设第三工程有限公司 | Novel pipeline consignment tool |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4324430A (en) | Infant carrier particularly for grocery store shopping carts | |
| US7837206B1 (en) | Wheeled carrier scooter | |
| US4746044A (en) | Back-pack with stand and detachable child carrier | |
| US20040231939A1 (en) | Bag mounted with casters | |
| CN111297573A (en) | A many function combination formula stretcher for it is open-air | |
| CN113844546A (en) | Raising type trailer frame with radian | |
| CN113734249A (en) | Dual-purpose trailer for standing and prone positions | |
| CN202982565U (en) | Rollator for pregnant women | |
| CN210076842U (en) | Backpack draw bar frame base | |
| CN201469593U (en) | Foldable barrow type crutch | |
| CN207370279U (en) | A kind of strong luggage of impact resistance | |
| CN2572815Y (en) | Multifunctional suitcase convertible into seat | |
| CN101116571A (en) | School bag | |
| CN207186277U (en) | A kind of knapsack | |
| CN202269511U (en) | Pull rod backpack | |
| CN113834382A (en) | Multipurpose loading tool | |
| CN208756266U (en) | A kind of medical walk help is stood up handrail | |
| CN205706124U (en) | A kind of large-scale car and boat covering device | |
| CN210044599U (en) | Fixing frame for micro pump | |
| CN216908537U (en) | Portable walking aid | |
| CN216534170U (en) | Novel travel suitcase | |
| CN211092234U (en) | Extension formula draw-bar box | |
| CN204775302U (en) | Mattress pull rod car | |
| CN216777382U (en) | Stretcher for medical sanitary nursing | |
| CN203915365U (en) | A kind of medical midwifery device that promotes spontaneous labor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |