CN218980317U

CN218980317U - Trailer mechanism of fire engine

Info

Publication number: CN218980317U
Application number: CN202223351605.4U
Authority: CN
Inventors: 戴斯德
Original assignee: Xiamen Dale Electric Co ltd
Current assignee: Xiamen Dale Electric Co ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-05-09
Anticipated expiration: 2032-12-14

Abstract

The utility model discloses a trailer mechanism of a fire engine, which belongs to the technical field of fire facilities and comprises a bearing bottom plate, wherein a protection plate is movably arranged on the front side and the rear side of the top of the bearing bottom plate, the protection plate is fixed with the bearing bottom plate in a limiting manner through a hanging piece, a supporting structure matched with the bearing bottom plate is arranged between the protection plate and the bearing bottom plate, an adjustable connecting structure is fixedly arranged on the front side of the bearing bottom plate, a butt joint structure is movably arranged at the end part of the adjustable connecting structure, and a buffer moving structure is fixedly arranged at the bottom of the adjustable connecting structure. According to the technical scheme, the supporting structure arranged on the protection plate enables the mechanism to bear and drag objects exceeding the area or the volume of the mechanism, the bearing capacity of the fire truck during operation is effectively increased, the overall assembly performance of the mechanism and the fire truck is improved, and the effect of split bearing operation is achieved.

Description

Trailer mechanism of fire engine

Technical Field

The utility model relates to the technical field of fire-fighting facilities, in particular to a trailer mechanism of a fire truck.

Background

During the corresponding fire-fighting operation, the fire-fighting truck is equipped with a corresponding trailer mechanism to be matched with in order to ensure the implementation of the fire-fighting operation, so as to increase the operation amount and bearing capacity of the fire-fighting truck.

The patent document with the prior art publication number of CN203093841U provides a trailer mechanism of a fire truck, and belongs to the field of vehicle rescue facilities. Including a pair of frame chassis longerons, trailer mechanism includes: the first cross beam and the second cross beam are fixed between a pair of frame chassis cross beams; the bracket is provided with a bracket cavity, one end of the bracket is fixed with a bracket connecting seat, and the other end is fixed with a clamping arm locking device; the telescopic arm is arranged in the bracket arm cavity; the trailer cross frame acting cylinder is arranged in the telescopic arm cavity, a first trailer cross frame is fixed at one end of a trailer cross frame fixing seat, a first accident vehicle tire shovel plate is fixed at one side of the first trailer cross frame, a second trailer cross frame is fixed at the other end of the trailer cross frame fixing seat, and a second accident vehicle tire shovel plate is fixed at one side of the second trailer cross frame; one end of the first accident vehicle tire clamping arm and one end of the second accident vehicle tire clamping arm respectively form a first tire clamping plate and a second tire clamping plate; and the pair of lifting action cylinders are connected to the first cross beam. But the whole operation performance of the device and most of such oil mist purifying equipment on the market is comparatively single, can't better satisfy the operation demand of oil mist purifying equipment in workshop processing period, though can have good space utilization effect in the prior art CN203093841U, whole succinct, make and simple to operate, but self only assemble on the fire engine, can't carry out separation operation with the automobile body, lead to its limitation increase in the operation period, inconvenient cooperation fire engine carries out corresponding components of a whole that can function independently and bears the weight of the operation. In view of this, we propose a trailer mechanism for a fire truck.

Disclosure of Invention

1. Technical problem to be solved

The utility model aims to provide a trailer mechanism of a fire truck, which aims to solve the problems in the background art.

2. Technical proposal

The utility model provides a trailer mechanism of fire engine, includes the load-bearing bottom plate, the front and back side movable mounting at load-bearing bottom plate top has the guard plate, and is spacing fixed through the pendant between guard plate and the load-bearing bottom plate, be provided with the bearing structure that the cooperation was used between guard plate and the load-bearing bottom plate, bearing structure includes built-in supporting shoe, support rib, the front and back of load-bearing bottom plate is all built-in installs built-in supporting shoe, the outside of guard plate is provided with the support rib that corresponds with built-in supporting shoe, the rear wheel is installed in the bottom rotation of guard plate, the four corners fixed mounting of load-bearing bottom plate bottom has location structure, the rear side movable mounting of load-bearing bottom plate has the structure of boarding, the front side fixed mounting of load-bearing bottom plate has adjustable connection structure, adjustable connection structure's tip movable mounting has the butt joint structure, adjustable connection structure's bottom fixed mounting has buffering moving structure.

As an alternative scheme of this application technical scheme, location structure includes threaded connection section of thick bamboo, screw thread supporting legs, the bottom fixed mounting of loading board has a threaded connection section of thick bamboo, the butt joint is installed the screw thread supporting legs in the threaded connection section of thick bamboo.

As an alternative scheme of this application technical scheme, connection structure with adjustable is including connecting cavity, spacing hole, spacer pin, adapter, load-bearing bottom plate's front end fixed mounting has the connection cavity, the adapter that extends is installed in the connection cavity butt joint, all distribute on connection cavity and the adapter and spacing hole, spacing hole department is provided with the spacer pin that the cooperation was used.

As an alternative scheme of this application technical scheme, docking structure includes docking arm, butt joint, adjustable connection structure's tip movable mounting has docking arm, docking arm's tip fixed mounting has the butt joint.

As an alternative scheme of this application technical scheme, buffering moving structure includes front wheel, spring buffer, support arm, adjustable connection structure's bottom fixed mounting has the support arm, rotate between the support arm and install the front wheel, fixed mounting has the spring buffer who is connected with the front wheel in the support arm.

As an alternative scheme of this application technical scheme, boarding structure includes coupling assembling, boarding axle, rotation type locating pin, the rear side movable mounting of loading floor has the boarding axle, through coupling assembling fixed connection between the boarding axle, fixed mounting has the rotation type locating pin spacing with the guard plate butt joint on the boarding axle.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

1. according to the technical scheme, the adjustable connecting structure and the buffering moving structure arranged on the bearing bottom plate enable the mechanism to be adjusted and installed under the condition of being motionless as a whole when the mechanism is in butt joint and installation according to actual conditions, convenience of workers during installation and butt joint is improved, the buffering structure is additionally arranged on the front wheel structure, the mechanism can be prevented or reduced from being blocked due to road factors during following movement, and smoothness of the mechanism during following movement of the fire truck is guaranteed.

2. According to the technical scheme, the mechanism can carry out operation according to actual bearing demands through the supporting structure arranged on the protection plate, the mechanism can bear and drag objects exceeding the area or the volume of the mechanism, the bearing capacity of the fire truck during operation is effectively increased, the overall assembly performance of the mechanism and the fire truck is improved, and the effect of split bearing operation is achieved.

Drawings

FIG. 1 is a schematic view of the overall appearance of a trailer mechanism of a fire truck disclosed in an embodiment of the present application;

FIG. 2 is a schematic diagram of the overall internal components of a trailer mechanism of a fire truck disclosed in an embodiment of the present application;

FIG. 3 is a schematic diagram of the overall side view of a trailer mechanism of a fire truck disclosed in an embodiment of the present application;

FIG. 4 is a schematic view of a buffering moving structure of a trailer mechanism of a fire truck according to an embodiment of the present disclosure;

the reference numerals in the figures illustrate: 1. a load-bearing bottom plate; 2. a positioning structure; 201. a threaded connection barrel; 202. a thread supporting leg; 3. a support structure; 301. a built-in support block; 302. support ribs; 4. a protection plate; 401. a hanging piece; 5. an adjustable connection structure; 501. the connecting cavity; 502. a limiting hole; 503. a limiting pin; 504. an adaptor; 6. a butt joint structure; 601. a docking arm; 602. butt joint; 7. a buffer moving structure; 701. a front wheel; 702. a spring buffer; 703. a support arm; 8. a boarding structure; 801. a connection assembly; 802. a dock leveler; 803. a rotary positioning pin; 9. and a rear wheel.

Detailed Description

The utility model provides a technical scheme that:

as shown in fig. 1 and fig. 4, a trailer mechanism of a fire truck includes a load-bearing bottom plate 1, an adjustable connection structure 5 is fixedly installed at the front side of the load-bearing bottom plate 1, the adjustable connection structure 5 includes a connection cavity 501, a limit hole 502, a limit pin 503 and an adaptor 504, the front end of the load-bearing bottom plate 1 is fixedly installed with the connection cavity 501, an extended adaptor 504 is butt-jointed and installed in the connection cavity 501, limit holes 502 are distributed on the connection cavity 501 and the adaptor 504, a limit pin 503 matched with the connection hole 502 is arranged at the limit hole 502, a butt-joint structure 6 is movably installed at the end of the adjustable connection structure 5, the butt-joint structure 6 includes a butt-joint arm 601 and a butt-joint 602, a butt-joint arm 601 is movably installed at the end of the adjustable connection structure 5, a butt-joint 602 is fixedly installed at the end of the butt-joint arm 601, and a buffer moving structure 7 is fixedly installed at the bottom of the adjustable connection structure 5.

In this embodiment, during the preparation operation, a person performs corresponding docking operation between the mechanism through the docking arm 601 and the docking head 602 on the docking structure 6 and the docking mechanism on the fire truck, during the operation, the person can perform corresponding pre-adjustment through the adjustable connection structure 5, the person can pull the docking structure 6, the docking structure 6 drives the docking head 504 to perform corresponding sliding operation in the connection cavity 501, after the adjustment, the docking head 504 is installed and fixed through the cooperation between the limiting hole 502 and the limiting pin 503, and finally, during the following movement, the adjustable connection structure 5 performs auxiliary buffer movement operation through the buffer movement structure 7 at the bottom of the adjustable connection structure 5.

In some technical schemes, the buffer moving structure 7 comprises a front wheel 701, a spring buffer 702 and a supporting arm 703, the supporting arm 703 is fixedly arranged at the bottom of the adjustable connecting structure 5, the front wheel 701 is rotatably arranged between the supporting arms 703, and the spring buffer 702 connected with the front wheel 701 is fixedly arranged in the supporting arm 703.

In this embodiment, during the following movement of the adjustable connection structure 5, the bottom support arm 703 and the front wheel 701 are in contact with each other, and then the front wheel 701 performs auxiliary rolling of the adjustable connection structure 5, during which the front wheel 701 is in rolling, due to the uneven road surface, the damping applied to the front wheel 701 is then fed back to the spring damper 702 in the support arm 703 for the buffer reset operation. The adjustable connecting structure 5 and the buffering moving structure 7 on the bearing bottom plate 1 enable the mechanism to be adjusted and installed under the condition of the whole body in a fixed mode when in butt joint installation according to actual conditions, convenience of workers in installation and butt joint is improved, the buffering structure is additionally arranged on the front wheel structure, the mechanism can be prevented or reduced from being blocked due to road factors during following movement, and smoothness of the mechanism during following movement of a fire truck is guaranteed.

In some technical schemes, as shown in fig. 1 and 2, a bearing bottom plate 1, a protection plate 4 is movably mounted on the front side and the rear side of the top of the bearing bottom plate 1, the protection plate 4 is fixed with the bearing bottom plate 1 in a limiting manner through a hanging piece 401, a supporting structure 3 matched with the bearing bottom plate 1 is arranged between the protection plate 4 and the bearing bottom plate 1, the supporting structure 3 comprises a built-in supporting block 301 and supporting ribs 302, the built-in supporting block 301 is mounted on the front side and the rear side of the bearing bottom plate 1, the supporting ribs 302 corresponding to the built-in supporting block 301 are arranged on the outer side of the protection plate 4, and a rear wheel 9 is rotatably mounted on the bottom of the protection plate 4.

In this embodiment, during the operation, the buffer moving structure 7 at the bottom of the adjustable connection structure 5 performs auxiliary buffer moving operation during the following movement, and then drives the rear wheel 9 to move synchronously, when the destination is reached, personnel can perform the operation according to the actual bearing requirement, if the bearing area does not exceed the bearing area of the bearing bottom plate 1, normal boarding operation can be performed, if the bearing area does not exceed the bearing area of the bearing bottom plate 1, the built-in supporting block 301 in the bearing bottom plate 1 can be pulled out, the downward expansion of the protection plate 4 is realized by loosening the hanging piece 401, and the expansion of the bearing area of the mechanism is completed when the supporting ribs 302 on the downward expansion protection plate 4 are attached to the built-in supporting block 301. The supporting structure 3 on the protection plate 4 enables the mechanism to carry out operation according to actual bearing requirements, so that the mechanism can bear and drag objects exceeding the area or the volume of the mechanism, the bearing capacity of the fire truck during operation is effectively increased, and the overall assembly performance of the mechanism and the fire truck is improved.

In some technical schemes, as shown in fig. 1 and 3, four corners of the bottom of a bearing bottom plate 1 are fixedly provided with a positioning structure 2, the positioning structure 2 comprises a threaded connection barrel 201 and threaded supporting feet 202, the bottom of the bearing bottom plate 1 is fixedly provided with the threaded connection barrel 201, the threaded connection barrel 201 is internally provided with the threaded supporting feet 202 in a butt joint manner, the rear side of the bearing bottom plate 1 is movably provided with a boarding structure 8, the boarding structure 8 comprises a connecting component 801, a boarding bridge 802 and a rotary positioning pin 803, the rear side of the bearing bottom plate 1 is movably provided with the boarding bridge 802, the boarding bridges 802 are fixedly connected through the connecting component 801, and the boarding bridge 802 is fixedly provided with the rotary positioning pin 803 which is in butt joint limit with a protection plate 4.

In this embodiment, during the operation, after the mechanism is placed and loaded, the whole body can be positioned by the positioning structure 2, during the period, the personnel rotates the rotating part of the screw supporting leg 202, the screw supporting leg 202 rotates in the screw connecting cylinder 201, the ascending or descending operation of the screw supporting leg 202 is realized, the installation and positioning of the mechanism are completed, then the boarding structure 8 is ready to be unfolded for boarding, the personnel loosens the rotary positioning pin 803 firstly, the rotary positioning pin 803 adopts the sleeved rotary screw connecting structure, the internal bolt is contracted by the rotation of the sleeve, and the fixed connection is completed when the bolt extends into the protection plate 4; after the rotary positioning pins 803 are loosened, a person moves the dock leveler 802, the dock leveler 802 moves downwards from the rear side of the load floor 1 through the pin shafts, and then the dock leveler 802 is shifted to be attached to the ground, so that a preparation worker is completed, and the load operation is completed through the dock leveler 802 to the load floor 1.

Claims

1. Trailer mechanism of fire engine, including loading floor (1), its characterized in that: the front side and the rear side of the top of the bearing bottom plate (1) are movably provided with the protection plate (4), the protection plate (4) and the bearing bottom plate (1) are fixed in a limiting way through a hanging piece (401), a supporting structure (3) matched with the bearing bottom plate (1) is arranged between the protection plate (4) and the bearing bottom plate (1), the bottom of the protection plate (4) is rotatably provided with a rear wheel (9),

the four corners of the bottom of the bearing bottom plate (1) are fixedly provided with positioning structures (2), and the rear side of the bearing bottom plate (1) is movably provided with a boarding structure (8);

the adjustable connecting structure (5) is fixedly arranged on the front side of the bearing bottom plate (1), the butt joint structure (6) is movably arranged at the end part of the adjustable connecting structure (5), and the buffer moving structure (7) is fixedly arranged at the bottom of the adjustable connecting structure (5).

2. A trailer mechanism for a fire truck as claimed in claim 1, wherein: the positioning structure (2) comprises a threaded connecting cylinder (201) and threaded supporting feet (202), the threaded connecting cylinder (201) is fixedly arranged at the bottom of the bearing bottom plate (1), and the threaded supporting feet (202) are butt-jointed and arranged in the threaded connecting cylinder (201).

3. A trailer mechanism for a fire truck as claimed in claim 1, wherein: the support structure (3) comprises built-in support blocks (301) and support ribs (302), the built-in support blocks (301) are installed on the front side and the back side of the bearing bottom plate (1) in a built-in mode, and the support ribs (302) corresponding to the built-in support blocks (301) are arranged on the outer side of the protection plate (4).

4. A trailer mechanism for a fire truck as claimed in claim 1, wherein: the adjustable connecting structure (5) comprises a connecting cavity (501), limiting holes (502), limiting pins (503) and connectors (504), wherein the connecting cavity (501) is fixedly arranged at the front end of the bearing bottom plate (1), the connectors (504) extending out of the connecting cavity (501) are arranged in a butt joint mode, the limiting holes (502) are distributed on the connecting cavity (501) and the connectors (504), and the limiting pins (503) matched with the limiting holes (502) are arranged.

5. A trailer mechanism for a fire truck as claimed in claim 1, wherein: the butt joint structure (6) comprises a butt joint arm (601) and a butt joint head (602), the butt joint arm (601) is movably mounted at the end part of the adjustable connecting structure (5), and the butt joint head (602) is fixedly mounted at the end part of the butt joint arm (601).

6. A trailer mechanism for a fire truck as claimed in claim 1, wherein: the buffering moving structure (7) comprises a front wheel (701), a spring buffer (702) and a supporting arm (703), wherein the supporting arm (703) is fixedly arranged at the bottom of the adjustable connecting structure (5), the front wheel (701) is rotatably arranged between the supporting arms (703), and the spring buffer (702) connected with the front wheel (701) is fixedly arranged in the supporting arm (703).

7. A trailer mechanism for a fire truck as claimed in claim 1, wherein: the boarding structure (8) comprises a connecting assembly (801), a boarding bridge (802) and rotary positioning pins (803), wherein the boarding bridge (802) is movably mounted on the rear side of the bearing bottom plate (1), the boarding bridge (802) is fixedly connected through the connecting assembly (801), and the boarding bridge (802) is fixedly provided with the rotary positioning pins (803) which are in butt joint limit with the protection plates (4).