CN218607783U

CN218607783U - Fire-fighting telescopic machine

Info

Publication number: CN218607783U
Application number: CN202222748741.0U
Authority: CN
Inventors: 章炳才
Original assignee: Jiangsu Lejiete Automation Technology Co ltd
Current assignee: Jiangsu Lejiete Automation Technology Co ltd
Priority date: 2022-10-18
Filing date: 2022-10-18
Publication date: 2023-03-14
Anticipated expiration: 2032-10-18

Abstract

The utility model provides a fire control telescopic machine, including the frame, be equipped with motor, interior telescopic plate assembly, chain and sprocket in the frame. The inner expansion plate is assembled and telescopically connected on the frame; the motor drives the chain to operate through the chain wheel, one end of the chain is fixedly assembled with the inner telescopic plate, and the other end of the chain is fixedly assembled with the rack. The utility model provides a structural design is reasonable, cooperates the transmission through sprocket and chain, and flexible section equipment is equipped to be flexible displacement for the canned paragraph assembly in can effectively driving, and the meshing transmission is good, does not have the jump tooth risk, and transmission stable in structure is reliable, can well be applicable to the slope installation.

Description

Fire-fighting telescopic machine

Technical Field

The utility model relates to a fire-fighting equipment technical field especially relates to a fire control telescopic machine.

Background

The fire-fighting telescopic machine is a transition device of which the logistics conveying system is arranged below a fire-fighting door. When a fire breaks out, the fire-fighting telescopic machine retracts along with the falling of the fire-fighting door. At present, an existing fire-fighting telescopic machine, generally shown as CN217327130U, includes a frame, on which: the flexible connection's expansion bracket, motor and spacing subassembly. The motor drives the telescopic frame to stretch and retract through the meshed gear and rack; the limiting assembly is used for limiting the movement of the expansion bracket. Through the setting of rack and pinion, drive the expansion bracket and remove for the frame.

In the existing fire-fighting telescopic machine, a transmission mode of a gear and a rack is adopted. When the fire-fighting telescopic machine is installed, an inclined angle possibly exists between the fire-fighting telescopic machine and a horizontal plane, namely, the possibility of inclined installation with one high end and one low end exists. When the inclined installation is carried out, the matching process of the gear and the rack is influenced by gravity, the stress of the meshing part is uneven, the risk of tooth jumping exists, and poor meshing is easy to occur, so that the transmission is failed. Therefore, how to design a fire-fighting telescopic machine which can be effectively engaged and has stable transmission becomes the key point of the design.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: in order to overcome the defects of the prior art, the utility model provides a fire-fighting telescopic machine, which adopts the transmission of the cooperation of a chain wheel and a chain, has good meshing transmission, no risk of jumping teeth and stable and reliable transmission structure.

The utility model provides a technical scheme that its technical problem adopted is: a fire-fighting telescopic machine comprises a frame, wherein a motor, an inner telescopic plate assembly, a chain and a chain wheel are arranged on the frame; the inner telescopic plate is assembled and telescopically connected on the rack; the motor drives the chain to operate through the chain wheel, one end of the chain is fixedly assembled with the inner telescopic plate, and the other end of the chain is fixedly arranged with the rack.

In the scheme, the chain is driven to move by the motor driving chain wheel, and the chain drives the inner telescopic plate assembly to do telescopic motion relative to the rack. Through the cooperation of chain sprocket, the flexible operation of expansion plate assembly in can accomplishing, the chain is good with the sprocket meshing simultaneously, does not have the jump tooth risk when rack and pinion meshing.

Furthermore, the output end of the motor is in transmission connection with a transmission shaft, the chain wheel is fixed on the transmission shaft, the output end of the motor drives the transmission shaft to rotate, and the transmission shaft synchronously drives the chain to move through the chain wheel. The power of the motor is transmitted to the chain wheel through the transmission shaft, and the chain wheel drives the chain to move.

Preferably, the transmission between motor and the transmission shaft also can be carried out through simple and easy sprocket and chain transmission, the motor output on be fixed with simple and easy action wheel, the transmission shaft on then be fixed with simply from the driving wheel, simple and easy action wheel and simply from driving wheel between then be connected through simple and easy chain transmission.

In order to effectively guide the movement direction of the assembly of the inner telescopic plate, a guide rail is arranged on the rack along the assembly movement direction of the inner telescopic plate, the assembly of the inner telescopic plate comprises a roller, and the roller is arranged on the guide rail in a rolling manner. In the moving process, the roller rolls along the guide rail to drive the inner telescopic plate assembly to perform telescopic movement along the direction of the guide rail.

Preferably, the rack is symmetrically provided with guide rails, and the upper side and the lower side of the guide rails corresponding to each side of the assembly of the inner telescopic plates are respectively and rotatably connected with rollers. Through the guide rail of symmetric distribution, can follow the motion direction that interior expansion plate assembly both sides were equipped with the internal expansion plate respectively spacing, all set up the gyro wheel through every side guide rail in both sides about simultaneously, further improved the spacing effect of cooperation of gyro wheel with the guide rail again.

Furthermore, the inner telescopic plate assembly is adjustably provided with a first chain adjusting rod, one end of the first chain adjusting rod is fixed with the chain, and the other end of the first chain adjusting rod is adjustably arranged on the inner telescopic plate assembly. Through the setting of first chain regulation pole for the adjustable fixed in position of chain and interior expansion plate assembly can adjust the relative position of chain hookup location and interior expansion plate assembly as required, realizes the fine setting in position of interior expansion plate assembly.

Furthermore, a second chain adjusting rod is adjustably arranged on the rack, one end of the first chain adjusting rod is fixed with the chain, and the other end of the first chain adjusting rod is adjustably arranged on the rack. Through the setting of second chain adjusting rod for the position of chain and frame is adjustable fixed, can adjust the relative position of chain hookup location and frame as required, realizes the regulation of the tensioning degree of chain operation process.

The beneficial effects of the utility model are that, the utility model provides a fire control telescopic machine, structural design is reasonable, cooperates the transmission through sprocket and chain, and flexible section equipment is equipped to be flexible displacement for the canned paragraph assembly in can effectively driving, and the meshing transmission is good, does not have the tooth risk of jumping, and transmission stable in structure is reliable, can well be applicable to the slope installation.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a perspective view of a first embodiment of the present invention.

Fig. 2 is a schematic structural diagram (with a part of the frame removed) of the first embodiment of the present invention.

In the figure 1, a motor 2, a transmission shaft 3, a simple driven wheel 4, an inner telescopic plate assembly 5, a chain 6, a frame 7, a simple driving wheel 8, a guide rail 9, a first chain adjusting rod 10, a first limiting ring 11, a roller 12, a second chain adjusting rod 13, a second limiting ring 14 and a chain wheel.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic drawings, which illustrate the basic structure of the invention only in a schematic way, and thus show only the components that are relevant to the invention, and the directions and references (e.g., upper, lower, left, right, etc.) may be used only to help describe the features in the drawings. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the claimed subject matter is defined only by the appended claims and equivalents thereof.

The first embodiment is as follows:

as shown in fig. 1, the utility model relates to a fire-fighting telescopic machine. The fire-fighting telescopic machine comprises a frame 6, wherein a motor 1, an inner telescopic plate assembly 4, a chain 5 and a chain wheel 14 are arranged on the frame 6.

The output end of the motor 1 is connected with a transmission shaft 2 through a simple chain wheel 14 and a chain 5 in a transmission way. Namely, a simple driving wheel 7 is fixed on the output end of the motor 1, a simple driven wheel 3 is fixed on the transmission shaft 2, and the simple driving wheel 7 is in transmission connection with the simple driven wheel 3 through a simple chain 5. The chain wheel 14 is fixed on the transmission shaft 2, the output end of the motor 1 drives the transmission shaft 2 to rotate, the power of the motor 1 is transmitted to the chain wheel 14 through the transmission shaft 2, and the transmission shaft 2 synchronously drives the chain 5 to move through the chain wheel 14.

The inner telescopic plate assembly 4 is telescopically connected to the frame 6; one end of the chain 5 is fixed with the inner telescopic plate assembly 4, and the other end is fixed with the frame 6. When the chain 5 reciprocates, the inner telescopic plate assembly 4 is driven to do telescopic motion relative to the frame 6. At this time, since the chain 5 is directly engaged with the sprocket 14, the chain is not subjected to the action of gravity to cause poor engagement when inclined, so that the risk of tooth jumping is avoided, and transmission failure caused by tooth jumping is avoided.

Example two:

fig. 2 shows a fire-fighting telescopic machine, which is the second embodiment of the present invention. Compared with the first embodiment, the difference is that the movement direction of the inner telescopic assembly is guided by the limit of the guide rail 8, and the position of the end part of the chain 5 relative to the inner telescopic plate assembly 4 and the position of the other end of the chain 5 relative to the frame 6 are adjustable.

In order to effectively guide the movement direction of the inner telescopic plate assembly 4, a guide rail 8 is arranged on the machine frame 6 along the movement direction of the inner telescopic plate assembly 4, the inner telescopic plate assembly 4 comprises a roller 11, and the roller 11 is arranged on the guide rail 8 in a rolling manner. Specifically, the rack 6 is symmetrically provided with guide rails 8, and the upper side and the lower side of the guide rails 8 corresponding to each side of the inner telescopic plate assembly 4 are respectively and rotatably connected with rollers 11. In the moving process, the roller 11 rolls along the guide rail 8 to drive the inner expansion plate assembly 4 to perform expansion movement along the direction of the guide rail 8. Through the guide rail 8 of symmetric distribution, can follow 4 both sides of interior expansion plate assembly and carry on spacingly to the direction of motion of interior expansion plate assembly 4 respectively, all set up gyro wheel 11 in upper and lower both sides through every side guide rail 8 simultaneously, further improved the spacing effect of the cooperation of gyro wheel 11 with guide rail 8 again.

The inner telescopic plate assembly 4 is adjustably provided with a first chain adjusting rod 9, one end of the first chain adjusting rod 9 is fixed with the chain 5, and the other end of the first chain adjusting rod is adjustably arranged on the inner telescopic plate assembly 4. A second chain adjusting rod 12 is adjustably arranged on the rack 6, one end of the first chain adjusting rod 9 is fixed with the chain 5, and the other end of the first chain adjusting rod is adjustably arranged on the rack 6.

Through the setting of first chain adjusting rod 9 for the adjustable fixed in position of chain 5 and interior expansion plate assembly 4 can adjust the relative position of chain 5 hookup location and interior expansion plate assembly 4 as required, realizes interior expansion plate assembly 4's position fine setting. Through the arrangement of the second chain adjusting rod 12, the positions of the chain 5 and the rack 6 can be adjusted and fixed, the relative position of the connecting position of the chain 5 and the rack 6 can be adjusted as required, and the tensioning degree of the running process of the chain 5 can be adjusted.

In practical design, a first limiting ring 10 is fixed on the inner telescopic plate assembly 4, and a second limiting ring 13 is fixed on the frame 6. One end of the chain 5 is fixed with a first chain adjusting rod 9, and the other end is fixed with a second chain adjusting rod 12. The first chain adjusting rod 9 is inserted into the first limiting ring 10 and locked and positioned through a nut, and the second chain adjusting rod 12 is inserted into the second limiting ring and locked and positioned through a nut. During adjustment, the position of the inner telescopic plate assembly 4 is adjusted by adjusting the relative position of the first chain adjusting rod 9 and the first limiting ring 10. The tensioning degree of the chain 5 in the running process is adjusted by adjusting the relative position of the second chain adjusting rod 12 and the second limiting ring 13.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the description, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a fire control telescopic machine, includes frame (6), its characterized in that: the frame (6) is provided with a motor (1), an inner telescopic plate assembly (4), a chain (5) and a chain wheel (14); the inner telescopic plate assembly (4) is telescopically connected to the rack (6); the motor (1) drives the chain (5) to run through the chain wheel (14), one end of the chain (5) is fixed with the inner expansion plate assembly (4), and the other end of the chain is fixed with the rack (6).

2. A fire fighting compressor as defined in claim 1, wherein: the output end of the motor (1) is in transmission connection with the transmission shaft (2), the chain wheel (14) is fixed on the transmission shaft (2), the output end of the motor (1) drives the transmission shaft (2) to rotate, and the transmission shaft (2) synchronously drives the chain (5) to move through the chain wheel (14).

3. A fire fighting compressor as defined in claim 2, wherein: the motor (1) output end on be fixed with simple and easy action wheel (7), transmission shaft (2) on then be fixed with simply from driving wheel (3), simple and easy action wheel (7) and simply from driving wheel (3) between then through simple and easy chain (5) transmission connection.

4. The fire-fighting telescopic machine as recited in claim 1, wherein: frame (6) on be equipped with guide rail (8) along interior expansion plate assembly (4) activity direction, interior expansion plate assembly (4) include gyro wheel (11), gyro wheel (11) roll and set up on guide rail (8).

5. The fire fighting compressor as recited in claim 4, wherein: frame (6) on the symmetrical arrangement have guide rail (8), interior expansion plate assembly (4) equal divide and do not rotate respectively to be connected with gyro wheel (11) corresponding the upper and lower both sides of guide rail (8) of every side respectively.

6. The fire-fighting telescopic machine as recited in claim 1, wherein: the inner telescopic plate assembly (4) is adjustably provided with a first chain adjusting rod (9), one end of the first chain adjusting rod (9) is fixed with the chain (5), and the other end of the first chain adjusting rod is adjustably arranged on the inner telescopic plate assembly (4).

7. A fire fighting compressor as defined in claim 6, wherein: the frame (6) is adjustably provided with a second chain adjusting rod (12), one end of the first chain adjusting rod (9) is fixed with the chain (5), and the other end of the first chain adjusting rod is adjustably arranged on the frame (6).