CN220615399U - Front towing hook structure - Google Patents
Front towing hook structure Download PDFInfo
- Publication number
- CN220615399U CN220615399U CN202322364540.5U CN202322364540U CN220615399U CN 220615399 U CN220615399 U CN 220615399U CN 202322364540 U CN202322364540 U CN 202322364540U CN 220615399 U CN220615399 U CN 220615399U
- Authority
- CN
- China
- Prior art keywords
- tail end
- backup pad
- towing hook
- supporting plate
- fixedly connected
- 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.)
- Active
Links
- 230000007704 transition Effects 0.000 claims description 39
- 238000000034 method Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000005452 bending Methods 0.000 description 12
- 230000009286 beneficial effect Effects 0.000 description 9
- 230000001965 increasing effect Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Body Structure For Vehicles (AREA)
Abstract
The utility model relates to the field of automobile part manufacturing, and discloses a front towing hook structure which comprises a first supporting plate, a second supporting plate welded with the first supporting plate and towing hook nuts welded with the first supporting plate and the second supporting plate respectively, wherein the first supporting plate is fixedly connected with an upper wing surface of a longitudinal beam of a frame, the second supporting plate is fixedly connected with a web surface of the longitudinal beam of the frame, the first supporting plate comprises a first vertical part, the second supporting plate comprises a second vertical part, and the first vertical part and the second vertical part are respectively arranged at two radial sides of the towing hook nuts. Through the mutual support between first backup pad and the second backup pad, reduce stress concentration, formed stable eccentric bearing structure, avoid preceding towing pintle structure to take place to destroy to avoid being out of control by the trailer vehicle because of preceding towing pintle structure damages in-process is towed to the vehicle, cause the incident.
Description
Technical Field
The utility model relates to the field of automobile part manufacturing, in particular to a front towing hook structure.
Background
Commercial vehicles are typically operated in a variety of work environments, such as construction sites, transportation, and the like. In these environments, the vehicle may experience accidents or malfunctions and require towing or rescue. Through the front towing hook arranged at the front end of the frame, other vehicles or rescue equipment can be conveniently connected with and towed by the vehicle, and the vehicle can be moved out of a dangerous area or maintained.
Due to the structural arrangement of the vehicle type, the width of the vehicle frame is narrower than that of the vehicle body, and therefore, the front towing hook is required to be eccentrically arranged on the longitudinal beam of the vehicle frame. The problem with this arrangement is that when towing the vehicle, the eccentric form of the mounting can cause uneven stresses on the front towing hook, increasing the risk of front towing hook breakage and fatigue, and once the towed vehicle is out of control, the safety of surrounding personnel and the environment will be compromised.
Disclosure of Invention
The utility model aims to provide a front towing hook structure which solves the problems that the front towing hook structure which is eccentrically arranged on a frame is not stable enough and is easy to damage.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a preceding tow hook structure, includes first backup pad, with first backup pad welded second backup pad and respectively with first backup pad and second backup pad welded tow hook nut, the wing face fixed connection on the longeron of first backup pad and frame, the longeron ventral surface fixed connection of second backup pad and frame, wherein, first backup pad includes first vertical portion, and the second backup pad includes the vertical portion of second, and first vertical portion and second vertical portion set up respectively in the radial both sides of tow hook nut.
The beneficial effects are as follows: the power vehicle is inserted into a towing hook nut of a rear towed vehicle, when the hooked bolt is tightly screwed with the towing hook nut, the front power vehicle can tow the rear vehicle to advance, and as the towing hook nut is fixedly connected with the first support plate and the second support plate, and the first support plate and the second support plate are respectively fixedly connected with the upper wing surface of the longitudinal beam of the frame and the web surface of the longitudinal beam of the frame, the pulling force generated by towing can be transmitted to the frame through the first support plate and the second support plate when the power vehicle tows; in addition, because the first support plate and the second support plate are welded with each other, the first support plate and the second support plate can be mutually supported, stress concentration is reduced, a stable eccentric support structure is formed, and the front towing hook structure is prevented from being damaged, so that a towed vehicle is prevented from being out of control due to the damage of the front towing hook structure in the towing process of the vehicle, and safety accidents are avoided.
Further, the device further comprises an orifice plate welded with the front end of the towing hook nut, wherein the front ends of the first vertical part and the second vertical part are welded with the back surface of the orifice plate.
The beneficial effects are as follows: firstly, the support area between the first support plate and the second support plate can be increased by introducing the pore plate, so that the connection strength between the first support plate and the second support plate is improved, and the front towing hook structure is prevented from loosening or breaking under the condition of heavy load; secondly, the pore plate can improve the overall rigidity and stability of the front towing hook structure, becomes a reinforcing part at the joint between the first supporting plate and the second supporting plate, is beneficial to improving the overall rigidity and bearing capacity of the front towing hook and reduces vibration and deformation; third, the aperture plate may also be used to hang, secure or connect other devices or items to increase the versatility and applicability of the front hitch structure to meet specific needs and scenarios.
Further, the first support plate further comprises a first transition part fixedly connected with the first vertical part in an L shape and a first tail end part fixedly connected with the first transition part, and the second support plate further comprises a second transition part fixedly connected with the second vertical part in an L shape and a second tail end part fixedly connected with the second transition part; the upper surface of the second transition part is fixedly connected with the lower part of the towing hook nut and the lower surface of the first transition part.
The beneficial effects are as follows: the first support plate and the second support plate are arranged in an L shape and are oppositely arranged in an approximately symmetrical mode, so that the eccentric distance between the front towing hook and the vehicle is balanced better, the eccentric load can be effectively borne, and the balance and stability are maintained; in addition, the approximately symmetrical arrangement form increases the rigidity and the bending strength of the front towing hook, is beneficial to enhancing the resistance of the front towing hook to external force and vibration and prolongs the service life of the front towing hook.
Further, the first tail end portion is parallel to and fixedly connected with the upper wing surface of the longitudinal beam of the frame, and the second tail end portion is parallel to and fixedly connected with the web surface of the longitudinal beam of the frame.
Further, the first tail end portion and the second tail end portion are provided with mounting holes.
The beneficial effects are as follows: the selection of the bolts or the pin shafts can be determined according to specific requirements, the bolts or the pin shafts with different materials, grades and specifications can be selected, and the required connection strength can be met after the bolts or the pin shafts are inserted into the mounting holes. Therefore, reasonable strength matching can be performed according to the design working condition and the load requirement of the front towing hook, and the reliability and the safety of the connecting point are ensured.
Further, a middle portion of the second tail portion is recessed inwardly.
The beneficial effects are as follows: compared with a rectangular whole plate type design, the concave-up design in the middle can more intensively distribute materials in the central area of the cross section, increases the effective bending resistance area of the cross section, can more effectively resist bending force generated by external force, ensures that the front towing hook has better bending rigidity and bearing capacity when bearing the external force, effectively improves the stability and reliability of the structure, and has good adaptability to application scenes requiring high bearing capacity and bending rigidity.
Further, the device further comprises a triangular plate welded between the second transition part and the second tail end part, wherein two triangular edges of the triangular plate are respectively welded with the second transition part and the second tail end part.
The beneficial effects are as follows: because the bending between the second transition part and the second tail end part easily brings about the problem of stress concentration, the stress can be effectively dispersed by introducing the triangular plate at the bending part, the stress concentration is reduced, the bearing capacity is increased, and the device can be better suitable for the application scene of large load; in addition, the arrangement of the triangular plate can strengthen the support between the second transition part and the second tail end part, resist the external force actions such as bending and torsion, improve the stability and the reliability of the front towing hook structure in the use process, and avoid deformation or structural damage.
Further, the first vertical portion, the first transition portion, and the first tail end portion are integrally formed, and the second vertical portion, the second transition portion, and the second tail end portion are integrally formed.
The beneficial effects are as follows: because integrated into one piece's part is formed through the punching press of monolithic material, consequently for the welded form that exists the welding point, integrated into one piece's first backup pad and second backup pad's overall structure is more firm and stable, does not have the structural weakness who brings because of the welding point and stress concentration department, and integrated into one piece's surface is level and smooth, continuous, can obtain better pleasing to the eye effect.
Drawings
FIG. 1 is a schematic view of a frame structure of the present utility model;
fig. 2 is a schematic view showing the overall structure of the front end view angle of embodiment 1 and embodiment 2 of the present utility model;
fig. 3 is a rear view overall structure schematic of embodiment 1 and embodiment 2 of the present utility model.
Detailed Description
The following is a further detailed description of the embodiments:
reference numerals in the drawings of the specification include: the first support plate 1, the first vertical part 11, the first transition part 12, the first tail end part 13, the second support plate 2, the second vertical part 21, the second transition part 22, the second tail end part 23, the towing hook nut 3, the orifice plate 4 and the triangular plate 5.
Example 1
An embodiment is substantially as shown in figures 1-3 of the accompanying drawings, a front hitch structure as shown in figures 1 to 3, comprising: the first support plate 1, with first support plate 1 welded second backup pad 2, towing pintle nut 3 and with towing pintle nut 3 front end welded orifice plate 4, first backup pad 1 comprises fixed connection's first vertical portion 11 in proper order, first transition portion 12 and first tail end portion 13, second backup pad 2 comprises fixed connection's second vertical portion 21 in proper order, second transition portion 22 and second tail end portion 23, first vertical portion 11 and second vertical portion 21 set up respectively in the radial both sides of towing pintle nut 3, and the front end of first vertical portion 11 and second vertical portion 21 and the back welding of orifice plate 4.
In this way, the front ends of the first support plate 1 and the second support plate 2 are welded through the orifice plate 4, so that the support area between the first support plate 1 and the second support plate 2 can be increased, a more stable connection point is formed, the off-welding is avoided, and the rigidity and the stability of the whole structure of the front towing hook can be increased.
Preferably, to ensure consistency and stability of the materials, the first vertical portion 11, the first transition portion 12, and the first tail portion 13 are integrally formed, and the second vertical portion 21, the second transition portion 22, and the second tail portion 23 are integrally formed.
Referring to fig. 1 and 3 again, the second vertical portion 21 is located at the left side of the back of the towing hook nut 3, the second transition portion 22 is connected with the second vertical portion 21 in an L-shaped bending manner, the second transition portion 22 is disposed below the unhook nut 3 and is fixedly connected with the unhook nut 3, the second transition portion 22 is bent downward after passing below the towing hook nut 3 and is connected with the second tail end portion 23, the second tail end portion 23 is parallel to the web surface of the longitudinal beam of the frame and is fixedly connected with the web surface of the longitudinal beam of the frame, wherein the second tail end portion 23 is in a form of a middle portion which is recessed inwards, and compared with a rectangular plate-shaped design, the material can be distributed in a central area of the section more intensively due to the design of the middle portion which is recessed inwards, so that the bending resistance of the second tail end portion 23 is effectively enhanced, and the stability and reliability of the whole structure can be effectively improved; the first vertical part 11 is located the tow hook nut 3 back right side, and first transition part 12 is L type with first vertical part 11 and is connected, and first transition part 12 welds in second transition part 22 upper surface, and the tip that first transition part 12 kept away from first vertical part 11 continues to buckle downwards, links to each other with first tail end 13, and first tail end 13 is parallel and rather than fixed connection with the longeron upper airfoil of frame. Preferably, the first tail end portion 13 and the second tail end portion 23 are provided with one or more mounting holes, and the first tail end portion 13 and the second tail end portion 23 are inserted into the mounting holes through screws or pins so as to realize connection of the first tail end portion 13 and the second tail end portion 23 with the frame rail.
Example 2
This embodiment differs from embodiment 1 in that: as shown in fig. 2 to 3, the triangular plate 5 welded between the second transition portion 22 and the second tail end portion 23 is further included, specifically, one right-angle side of the triangular plate 5 is welded to the second transition portion 22, and the other right-angle side is welded to the second tail end portion 23. Because the second transition part 22 and the second tail end part 23 are bent, the problem that the stress concentration is easy to occur due to the change of the geometric shape caused by the bending can be solved, the stress at the turning part can be dispersed by welding the triangular plate 5, the stress peak value at the turning part can be reduced, and the service life of the front towing hook can be prolonged; in addition, by introducing the triangular plate 5, it is possible to provide an additional supporting area, enhance the supporting reliability between the second transition portion 22 and the second tail end portion 23, and resist the external force such as bending and torsion.
The specific implementation process is as follows: when the vehicle needs to be towed due to accident or failure, the power vehicle inserts the hooked bolt into the towing hook nut 3 of the towed vehicle at the rear, and after the hooked bolt is tightly screwed with the towing hook nut 3, the front power vehicle can tow the rear vehicle to advance. In the process of the trailer, except that a part of force can be born by the threaded connection between the bolt with the hook and the nut 3 with the hook, the first support plate 1, the second support plate 2, the triangular plate 5, the web surface of the longitudinal beam and the upper wing surface of the longitudinal beam of the frame connected with the front towing hook can uniformly share the pulling force of the trailer, so that a stable eccentric support structure is formed. When the towed vehicle reaches the destination or no further towing is required, the hooked bolt and the towing hook nut 3 are unlocked, i.e. the separation of the powered vehicle from the towed vehicle is achieved.
Directional terms, such as "upper", "lower", "left", "right", etc., in the present utility model are merely for better, more clearly explaining and understanding the present utility model, and do not indicate or imply that the apparatus or element being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
The foregoing is merely exemplary of the present utility model, and specific technical solutions and/or features that are well known in the art have not been described in detail herein. It should be noted that, for those skilled in the art, several variations and modifications can be made without departing from the technical solution of the present utility model, and these should also be regarded as the protection scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the practical applicability of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (8)
1. A front towing hook structure, characterized in that: including first backup pad, with first backup pad welded second backup pad and respectively with first backup pad and second backup pad welded towing hook nut, the longeron upper airfoil fixed connection of first backup pad and frame, longeron ventral fixed connection of second backup pad and frame, wherein, first backup pad includes first vertical portion, and the second backup pad includes the vertical portion of second, and first vertical portion and second vertical portion set up respectively in the radial both sides of towing hook nut.
2. A front hitch structure as claimed in claim 1, wherein: the front ends of the first vertical part and the second vertical part are welded with the back surface of the orifice plate.
3. A front hitch structure as claimed in claim 2, wherein: the first support plate further comprises a first transition part fixedly connected with the first vertical part in an L shape and a first tail end part fixedly connected with the first transition part, and the second support plate further comprises a second transition part fixedly connected with the second vertical part in an L shape and a second tail end part fixedly connected with the second transition part; the upper surface of the second transition part is fixedly connected with the lower part of the towing hook nut and the lower surface of the first transition part.
4. A front hitch structure as claimed in claim 3, wherein: the first tail end part is parallel to and fixedly connected with the upper wing surface of the longitudinal beam of the frame, and the second tail end part is parallel to and fixedly connected with the web surface of the longitudinal beam of the frame.
5. A front hitch structure as claimed in claim 4, wherein: the first tail end part and the second tail end part are provided with mounting holes.
6. A front hitch structure as claimed in claim 4, wherein: the middle of the second tail portion is recessed inwardly.
7. A front hitch structure as claimed in any one of claims 3 to 6, wherein: the triangular plate is welded between the second transition part and the second tail end part, and two right-angle edges of the triangular plate are respectively welded with the second transition part and the second tail end part.
8. A front hitch structure as claimed in claim 3, wherein: the first vertical portion, the first transition portion and the first tail end portion are integrally formed, and the second vertical portion, the second transition portion and the second tail end portion are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322364540.5U CN220615399U (en) | 2023-08-31 | 2023-08-31 | Front towing hook structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322364540.5U CN220615399U (en) | 2023-08-31 | 2023-08-31 | Front towing hook structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220615399U true CN220615399U (en) | 2024-03-19 |
Family
ID=90213591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322364540.5U Active CN220615399U (en) | 2023-08-31 | 2023-08-31 | Front towing hook structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220615399U (en) |
-
2023
- 2023-08-31 CN CN202322364540.5U patent/CN220615399U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9511642B2 (en) | Motor vehicle having a vehicle frame and articulation arrangement | |
| CN201646913U (en) | Semi-suspending type raw wood carrying vehicle | |
| US4714269A (en) | Wide base type suspension assembly with parallelogram torque beams and four air springs | |
| CN220615399U (en) | Front towing hook structure | |
| US5167423A (en) | Trailer hitch | |
| US20090134593A1 (en) | mounting system for a v-stay in a large vehicle | |
| CN102152754A (en) | Semi-trailer log transporter | |
| CN203580539U (en) | Vehicle body trailing arm bracket mounting structure | |
| US3797863A (en) | Lightweight converter dolly | |
| CN206344905U (en) | A kind of transport trailer and parts transportation system | |
| CN213057213U (en) | Vehicle frame | |
| CN211280524U (en) | Special vehicle and automobile towing hook device thereof | |
| CN210191663U (en) | Semitrailer bearing gooseneck | |
| CN106240637A (en) | High-mechanic one lightweight vehicle frame | |
| CN219115599U (en) | High strength tractor saddle | |
| CN217918168U (en) | Vehicle traction roof bearing device | |
| CN217319944U (en) | Front trailer structure | |
| CN212073580U (en) | Suspension thrust rod lower support | |
| CN219618862U (en) | Trailer hook assembly, bumper assembly and vehicle | |
| CN218839080U (en) | Preceding trailer hook subassembly, preceding frame assembly and vehicle | |
| CN215284987U (en) | Stable semi-trailer frame | |
| CN214930093U (en) | Reinforced semitrailer frame | |
| CN216268519U (en) | Preceding crashproof roof beam screw thread unhook mounting structure | |
| CN203113802U (en) | Concrete pump truck and arm support supporting device thereof | |
| CN216833911U (en) | Semitrailer girder reinforcing and stabilizing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |