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CN-224210209-U - Locking device for mixer truck and mixer truck

CN224210209UCN 224210209 UCN224210209 UCN 224210209UCN-224210209-U

Abstract

The utility model discloses a locking device for a mixer truck and the mixer truck, wherein the locking device comprises a limiting piece and a locking component, the limiting piece is arranged on a mixing drum of the mixer truck, the locking component comprises a mounting seat and a locking buckle, the mounting seat is arranged on the background of the mixer truck, the locking buckle can be arranged on the mounting seat in a swinging way and can be switched between a locking position and an unlocking position, the locking buckle is used for limiting the rotation of the mixing drum by matching with the limiting piece under the condition of switching to the locking position, and the limitation on the mixing drum is released under the condition of switching to the unlocking position, so that the rotation stopping reliability of the mixing drum is high, the operation safety is improved, the locking buckle is matched with the limiting piece to lock the mixing drum, the locking buckle can not shade the limiting piece, the position of the limiting piece is convenient for operators to observe, the locking difficulty is reduced, and the locking convenience is improved.

Inventors

  • LIU YILIN
  • ZHANG GUOJUN
  • DAI HAOLAN
  • ZHANG FUHONG

Assignees

  • 中联重科股份有限公司

Dates

Publication Date
20260508
Application Date
20250529

Claims (10)

  1. 1. A locking device for a mixer truck, the locking device comprising: the limiting piece (10) is arranged on a stirring cylinder (200) of the stirring vehicle; Locking subassembly (20), including mount pad (21) and locking knot (22), mount pad (21) are located on truck mixer's backstage (300), locking knot (22) can locate with swinging on mount pad (21) and can switch between locking position and unlocking position, locking knot (22) are used for switching to under the circumstances of locking position cooperation locating part (10) restriction rotation of churn (200), and switch to under the circumstances of unlocking position the restriction of churn (200) is released.
  2. 2. The locking device for a mixer truck according to claim 1, characterized in that the limiting piece (10) is arranged on an end face (2021) of a track body (202) of the mixer truck (200), and the limiting piece (10) extends from the track body (202) towards the locking buckle (22), the limiting piece (10) comprises two limiting blocks (11), the two limiting blocks (11) are arranged at intervals, a rotation stopping groove (12) is formed between the two limiting blocks (11), and the locking buckle (22) swings to be positioned in the rotation stopping groove (12) under the condition of being switched to the locking position.
  3. 3. The locking device for a mixer truck according to claim 2, wherein the locking buckle (22) comprises a support plate (221) and two limiting arms (222), the two limiting arms (222) are respectively arranged on the mounting seat (21) in a swinging way, the two limiting arms (222) are respectively arranged in one-to-one correspondence with the two limiting blocks (11), and the support plate (221) is connected between the two limiting arms (222).
  4. 4. A mixer truck locking apparatus as claimed in claim 3, wherein the limit arm (222) comprises a swing section (2221) and a limit section (2222), one end of the swing section (2221) is swingably provided on the mounting base (21), the other end of the swing section (2221) is connected with the limit section (2222), and the limit section (2222) is bent from the swing section (2221) toward the limit block (11).
  5. 5. The mixer truck locking apparatus as set forth in claim 4, wherein said mounting base (21) comprises a bottom plate (211), a mounting plate (212) and a rotating shaft (213), said bottom plate (211) is provided on said rear stage (300), said mounting plate (212) is provided on said bottom plate (211), and said rotating shaft (213) is provided through said mounting plate (212) and said swing section (2221).
  6. 6. The agitating lorry locking device according to claim 2, characterized in that the locking assembly (20) further comprises a first positioning mark structure and a second positioning mark structure, the first positioning mark structure is arranged on the locking buckle (22), and the second positioning mark structure is arranged in the rotation stopping groove (12); And/or, the locking assembly (20) further comprises an auxiliary alignment block (24), and the auxiliary alignment block (24) is arranged on the mounting seat (21) in a swinging way and is used for swinging to one side, opposite to the rotation stopping groove (12), of the limiting block (11).
  7. 7. The stirring vehicle locking device according to any one of claims 1 to 6, characterized in that the locking assembly (20) further comprises a limiting elastic member (23), one end of the limiting elastic member (23) is connected with the mounting seat (21), the other end of the limiting elastic member (23) is connected with the locking buckle (22), and the limiting elastic member (23) is used for limiting the swing of the locking buckle (22) under the condition that the locking buckle (22) is switched to the locking position or the unlocking position.
  8. 8. The mixer vehicle locking device according to any one of claims 1 to 6, characterized in that the locking assembly (20) further comprises a pull handle (25), the pull handle (25) being provided on the side of the locking catch (22) facing away from the limiting element (10).
  9. 9. The stirring vehicle locking device according to any one of claims 1 to 6, characterized in that the locking assembly (20) further comprises a fastener (26), which fastener (26) is provided on the mounting seat (21), and in that the fastener (26) is adapted to be connected with the locking catch (22) in case the locking catch (22) is switched to the unlocking position; And/or, the locking assembly (20) further comprises a limiting plate (27), the limiting plate (27) is arranged on the mounting seat (21), and the locking buckle (22) is abutted to the limiting plate (27) under the condition of being switched to the unlocking position.
  10. 10. A mixer truck, characterized in that it comprises a mixer truck locking device according to any one of claims 1 to 9.

Description

Locking device for mixer truck and mixer truck Technical Field The utility model belongs to the technical field of mixer trucks, and particularly relates to a mixer truck locking device and a mixer truck. Background After the concrete mixer truck performs mixing operation, concrete can be piled up in the mixing drum generally, operators are required to enter the mixing drum which stops rotating, the mixing drum is manually overhauled and the piled concrete is cleaned, the stopping mode of the mixing drum is generally that a speed reducer is stopped when the mixing truck is in flameout, the rotation of the mixing drum is not blocked, and the mixing drum can still rotate, so that potential safety hazards exist. Aiming at the problem, the Chinese patent publication No. CN103302746A provides a locking device which is matched with a locking hole in a plugging manner to lock a stirring cylinder, however, the locking hole is easily shielded by the pin shaft or other parts when in use, so that the locking hole is in a visual blind area of an operator, the alignment and locking difficulty is high, and the locking operation is inconvenient. Disclosure of utility model Aiming at the defects or shortcomings, the utility model provides a locking device for a mixer truck and the mixer truck, and aims to solve the technical problems of high alignment and locking difficulty of a mixing drum and inconvenient locking operation. In order to achieve the above object, the present utility model provides a locking device for a mixer truck, the locking device for a mixer truck comprising: The limiting piece is arranged on the stirring cylinder of the stirring vehicle; The locking assembly comprises a mounting seat and a locking buckle, wherein the mounting seat is arranged on the background of the mixer truck, the locking buckle can be arranged on the mounting seat in a swinging way and can be switched between an unlocking position and a locking position, and the locking buckle is used for limiting the rotation of the mixer drum by matching with a limiting piece under the condition of switching to the locking position and releasing the limitation of the mixer drum under the condition of switching to the unlocking position. In the embodiment of the utility model, the limiting piece is arranged on the end face of the track body of the stirring barrel, extends out from the track body towards the locking buckle, comprises two limiting blocks, is arranged at intervals, forms a rotation stopping groove between the two limiting blocks, and swings to be positioned in the rotation stopping groove under the condition of switching to the locking position. In the embodiment of the utility model, the locking buckle comprises a supporting plate and two limiting arms, wherein the two limiting arms are respectively arranged on the mounting seat in a swinging way, the two limiting arms are respectively arranged in one-to-one correspondence with the two limiting blocks, and the supporting plate is connected between the two limiting arms. In the embodiment of the utility model, the limiting arm comprises a swinging section and a limiting section, one end of the swinging section is arranged on the mounting seat in a swinging way, the other end of the swinging section is connected with the limiting section, and the limiting section is bent from the swinging section towards the limiting block. In the embodiment of the utility model, the mounting seat comprises a bottom plate, a mounting plate and a rotating shaft, wherein the bottom plate is arranged on the background, the mounting plate is arranged on the bottom plate, and the rotating shaft passes through the mounting plate and the swinging section. In the embodiment of the utility model, the locking assembly further comprises a first positioning identification structure and a second positioning identification structure, wherein the first positioning identification structure is arranged on the locking buckle, and the second positioning identification structure is arranged in the rotation stopping groove; And/or the locking assembly further comprises an auxiliary alignment block, wherein the auxiliary alignment block can be arranged on the mounting seat in a swinging way and is used for swinging to one side of the limiting block, which is opposite to the rotation stopping groove. In the embodiment of the utility model, the number of the limiting parts is multiple, and the limiting parts are annularly arranged on the stirring barrel at intervals. In the embodiment of the utility model, the locking assembly further comprises a limiting elastic piece, one end of the limiting elastic piece is connected with the mounting seat, the other end of the limiting elastic piece is connected with the locking buckle, and the limiting elastic piece is used for limiting the swing of the locking buckle under the condition that the locking buckle is switched to the locking position or the unlocking position. In the embo