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CN-114056882-B - Locking device for folding mechanism and material conveying machine

CN114056882BCN 114056882 BCN114056882 BCN 114056882BCN-114056882-B

Abstract

The invention relates to a locking device for a folding mechanism and a material conveying machine, which belong to the field of locking devices and are characterized by comprising a locking guide frame and a locking hook, wherein a connecting plate is arranged on the locking guide frame, a chute is arranged on the connecting plate, the locking hook is connected with the chute in a sliding manner, one end of the locking hook extends to the front side of the connecting plate and is provided with a hook body bent inwards, the other end of the locking hook is connected with a first driving part arranged on the locking guide frame and used for driving the locking hook to move in the chute, the locking device also comprises a locking pin arranged on the folding mechanism, when the folding mechanism is folded to a certain extent, the folding mechanism moves the locking pin within the contact range of the hook body, and the locking device utilizes the structure to carry out reliable locking.

Inventors

  • CHEN LIWEN
  • XUE MING
  • WU WEIZHUANG
  • WANG DAN
  • ZHOU ZHE

Assignees

  • 山东路得威工程机械制造有限公司
  • 山东路得威工程机械制造有限公司

Dates

Publication Date
20260421
Application Date
20211213
Priority Date
20211213

Claims (7)

  1. 1. A locking device for a folding mechanism is used for locking when the folding mechanism is stored, the folding mechanism is a foldable material conveying frame (6), the material conveying frame (6) comprises a material conveying underframe (61) and a material conveying section (62) hinged with the material conveying underframe (61), and is characterized in that, The locking device comprises a locking guide frame (1) and locking hooks (2), wherein the locking guide frame (1) is fixedly arranged on a conveying underframe (61), the locking guide frame (1) is fixedly arranged at the left side end and the right side end of the conveying underframe (61), a connecting plate (3) is arranged on the locking guide frame (1), the connecting plate (3) adopts a group of vertical plates symmetrically arranged on the locking guide frame (1), a chute (31) is formed in the connecting plate (3), the chute (31) is in a rectangular groove structure, the locking hooks (2) are connected with the chute (31) in a sliding mode, one ends of the locking hooks (2) extend to the front side of the connecting plate (3) and are provided with inwards and downwards bent hook bodies (21), the other ends of the locking hooks (2) are connected with first driving parts (4) arranged on the locking guide frame (1) and used for driving the locking hooks (2) to move in the chute (31), the end, close to the connecting plate (3), of the locking guide frame (1) is provided with an inclined surface (11), and a digging groove (110) is formed in the inclined surface (11); the locking device also comprises a locking pin (5) arranged on the folding mechanism, and the locking pin (5) is fixedly arranged on the conveying section (62); When the folding mechanism is folded to a certain degree, the folding mechanism moves the locking pin (5) to the contact range of the hook body (21), and the locking hook (2) is pulled back through the first driving part (4) until the hook body (21) moves to be close to the connecting plate (3), and the locking pin (5) is pulled to the plane between the top end of the inclined surface (11) and the connecting plate (3) on the locking guide frame (1) and is clamped and fixed between the hook body (21) and the connecting plate (3).
  2. 2. Locking device for folding mechanisms according to claim 1, characterized in that the first driving part (4) is of hydraulic cylinder construction, which hydraulic cylinder is connected at one end to the locking guide frame (1) and at the other end to the locking hook (2).
  3. 3. A material conveying machine, characterized by comprising a locking device for a folding mechanism according to claim 1 or 2, wherein the folding mechanism is a foldable material conveying frame (6), the material conveying frame (6) comprises a material conveying underframe (61) and a material conveying section (62) hinged with the material conveying underframe (61), the material conveying section (62) comprises a plurality of material conveying frame sections hinged with each other in sequence, the locking guide frame (1) is fixedly arranged on the material conveying underframe (61), and the locking pin (5) is fixedly arranged on the material conveying section (62).
  4. 4. A feeder according to claim 3, characterized in that adjacent material conveying frame sections are respectively connected with each other by hinge shafts and connecting parts (7), and second driving parts (8) for driving the material conveying frames (6) to spread are respectively connected between the material conveying chassis (61) and the material conveying frame sections adjacent to the material conveying chassis and between the adjacent material conveying frame sections.
  5. 5. The feeder according to claim 4, wherein the connecting portion (7) comprises a feeding frame driving arm (71) and a feeding frame hinge arm (72), one end of the feeding frame hinge arm (72) is hinged with the feeding frame section, the other end of the feeding frame hinge arm (72) is hinged with the feeding frame driving arm (71), and the other end of the feeding frame driving arm (71) is hinged with the second driving portion (8).
  6. 6. A feeder according to claim 4 or 5, characterized in that the second drive section (8) is a hydraulic cylinder, which is hinged at one end to the feeder frame drive arm (71) and at the other end to the respective feeder frame section or feeder frame (61).
  7. 7. The feeding machine according to claim 6, wherein the locking guide frame (1) is fixedly installed at the left and right side ends of the feeding bottom frame (61), the front end of the locking guide frame (1) is inclined upwards to form a preset included angle with the horizontal direction, and the locking pin (5) is fixedly installed at the left and right side ends of the feeding section (62).

Description

Locking device for folding mechanism and material conveying machine Technical Field The invention relates to the field of locking devices, in particular to a locking device for a folding mechanism and a material conveying machine. Background At present, special vehicles or equipment for carrying material conveying components, such as grain transport vehicles, pavement milling machines and the like, generally comprise a running system and a material conveying machine, and for convenient transportation, the material conveying machine is often designed into a foldable structure, the material conveying machine is unfolded during operation, and is folded and stored during transportation and locked by adopting a corresponding locking device. In the prior art, the locking device of the folding mechanism generally uses the form of a bolt and a hook, so that the requirement on the processing and the assembly of the jack on the folding mechanism is relatively high, the assembly is difficult if the jack is too small, the locking cannot be realized after the assembly and the installation of the jack is too large, the structure stored in the vehicle carrying process is unstable, abnormal sound is easily generated, the stored material conveying part is in a free state in the transportation process, the stored material conveying part can cause the damage of vehicles or equipment once loose, even the injury and the death of personnel and the damage of other objects are caused, and the great potential safety hazard exists. Disclosure of Invention The invention aims to solve the technical problems of the prior art, and provides a locking device for a folding mechanism and a material conveying machine, which have the advantages of simple structure, low requirements on machining precision and assembly precision and easiness in implementation. The locking device for the folding mechanism is characterized by comprising a locking guide frame and a locking hook, wherein a connecting plate is arranged on the locking guide frame, a chute is formed in the connecting plate, the locking hook is connected with the chute in a sliding mode, one end of the locking hook extends to the front side of the connecting plate and is provided with a hook body bent inwards, the other end of the locking hook is connected with a first driving part arranged on the locking guide frame and used for driving the locking hook to move in the chute, and the locking device further comprises a locking pin arranged on the folding mechanism, when the folding mechanism is folded to a certain extent, the folding mechanism moves the locking pin within the contact range of the hook body. Further, the first driving part adopts a hydraulic oil cylinder structure, one end of the hydraulic oil cylinder is hinged with the locking guide frame, and the other end of the hydraulic oil cylinder is hinged with the locking hook. Further, the connecting plate adopts a group of vertical plates symmetrically arranged on the locking guide frame. Further, the sliding groove is arranged in a rectangular groove structure. Furthermore, an inclined surface is arranged at the end part, close to the connecting plate, of the locking guide frame, and a digging groove is formed in the inclined surface. The folding mechanism is a foldable material conveying frame, the material conveying frame comprises a material conveying underframe and a material conveying section hinged with the material conveying underframe, the material conveying section comprises a plurality of material conveying frame sections hinged with each other in sequence, the locking guide frame is fixedly arranged on the material conveying underframe, and the locking pin is fixedly arranged on the material conveying section. Further, the adjacent material conveying frame sections are respectively connected with each other through hinge shafts and connecting parts in a hinged mode, and second driving parts for driving the material conveying frames to be unfolded are respectively connected between the material conveying underframe and the material conveying frame sections adjacent to the material conveying underframe and between the adjacent material conveying frame sections. Further, the connecting portion comprises a material conveying frame driving arm and a material conveying frame articulated arm, one end of the material conveying frame articulated arm is articulated and connected with the material conveying frame section, the other end of the material conveying frame articulated arm is articulated and connected with the material conveying frame driving arm, and the other end of the material conveying frame driving arm is articulated and connected with the second driving portion. Furthermore, the second driving part adopts a hydraulic oil cylinder, one end of the hydraulic oil cylinder is hinged with the driving arm of the material conveying frame, and the other end of the hydraulic oil cylinder is hinged with the correspondi