Telescopic machine for fire fighting

Abstract

The utility model relates to the technical field of fire-fighting equipment, and discloses a fire-fighting telescopic machine which comprises a main machine body, a plurality of limiting rods are fixedly connected in the main machine body, a telescopic machine body is connected to the inner side of the main machine body in a sliding mode, and limiting holes are formed in the front end and the rear end of the telescopic machine body. The inner wall of the limiting hole is tightly matched with the outer wall of the limiting rod, a conveying belt is jointly installed on the upper side of the telescopic machine body and the upper side of the main machine body, toothed plates are fixedly connected to the front end and the rear end of the inner side of the limiting hole, and a double-shaft motor is fixedly connected to the middle of the upper side of the left end of the telescopic machine body. The double-shaft motor drives the transmission gear to rotate, so that the transmission gear is matched with the toothed plate to drive the telescopic machine body to move leftwards, traditional chain driving is replaced, the stability of the device is improved, the two-way screws on the two sides rotate synchronously, and therefore the movable block and the push rod are driven to move, and the base and the main machine body are pushed to move. The height of the conveyor belt is adjusted.

Description

Technical Field

[0001] The utility model relates to the technical field of fire fighting equipment, in particular to a telescopic machine used for fire fighting. Background Art

[0002] The belt fire-fighting telescopic machine is a device that can be retracted in case of fire, and the fire doors can be closed in time to block the spread of fire; it is usually installed between the fire doors of express logistics buildings and is used to connect the belt conveyor line; when a fire occurs, the belt fire-fighting telescopic machine can be quickly retracted, and the fire doors can be closed in time to block the fire from spreading to other places.

[0003] The telescopic frame on the fire-fighting telescopic machine is generally installed on a chain and is extended and retracted through chain transmission. This structure has poor stability, the telescopic frame is prone to shaking, and the existing telescopic machine cannot adjust the height. Facing different application scenarios, the effect is not good. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a telescopic machine for fire fighting, which can adjust the height of the telescopic machine, facilitate adjustment according to needs, and improve the practicability of the device.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] The telescopic machine for fire fighting comprises a main body, a plurality of limit rods are fixedly connected inside the main body, a telescopic body is slidably connected inside the main body, limit holes are provided at both front and rear ends of the telescopic body, the inner wall of the limit hole is tightly matched with the outer wall of the limit rod, a conveyor belt is installed together on the upper side of the telescopic body and the main body, a tooth plate is fixedly connected at both front and rear ends of the inner side of the limit hole, a dual-axis motor is fixedly connected to the middle part of the upper left end of the telescopic body, a transmission gear is fixedly connected to the front and rear ends of the driving shaft of the dual-axis motor, the upper side of the transmission gear is meshedly connected to the lower side of the tooth plate, and a lifting assembly is arranged on the lower side of the main body.

[0007] Furthermore, the lifting assembly includes a base on the lower side of the main body, the left and right ends of the upper side of the base are fixedly connected with fixed plates, the front and rear ends of the fixed plates are rotatably connected with push rods, the upper ends of the push rods are rotatably connected with connecting rods, and the front and rear ends of the connecting rods are connected to the main body through the driving assembly.

[0008] Furthermore, the driving assembly includes sliding rails at the front and rear ends of the lower side of the main body, the middle part of the sliding rails is rotatably connected to a bidirectional screw, the top of the right end of the bidirectional screw is fixedly connected to a pulley, the outer walls of the pulleys are connected by belts, the left and right ends of the bidirectional screw are threadedly connected to movable blocks, the left end of the rear sliding rail is fixedly connected to a common motor, and the driving shaft of the common motor is fixedly connected to the top of the left end of the bidirectional screw.

[0009] Furthermore, four corners of the bottom of the base are fixedly connected with support legs.

[0010] Furthermore, the inner wall of the base is slidably connected to the outside of the main body.

[0011] Furthermore, the left and right ends of the connecting rod are respectively fixedly connected to the opposite side of the movable block.

[0012] Furthermore, the upper sides of the slide rails are respectively fixedly connected to the lower sides of the main body.

[0013] The utility model has the following beneficial effects:

[0014] 1. In the utility model, the dual-axis motor is provided to drive the transmission gear to rotate, so that the transmission gear and the toothed plate cooperate to drive the telescopic body to move leftward, thereby replacing the traditional chain drive and improving the stability of the device.

[0015] 2. In the utility model, a common motor is provided to drive the bidirectional screw connected thereto to rotate, and the bidirectional screws on both sides are driven to rotate synchronously through a pulley and a belt, thereby driving the movable block and the push rod to move, pushing the base and the main body to move, and adjusting the height of the conveyor belt. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is an overall schematic diagram of the telescopic machine for fire fighting proposed by the utility model;

[0017] Figure 2 This is a schematic diagram of the transmission gear of the telescopic machine for fire fighting proposed by the utility model;

[0018] Figure 3 This is a schematic diagram of the main body of the telescopic machine for fire fighting proposed by the utility model;

[0019] Figure 4 This is a schematic diagram of the slide rail of the telescopic machine for fire fighting proposed by the utility model;

[0020] Figure 5 This is a schematic diagram of a fixing plate of a telescopic machine for fire fighting proposed by the utility model.

[0021] Legend:

[0022] 1. Main body; 2. Limit rod; 3. Telescopic body; 4. Limit hole; 5. Conveyor belt; 6. Tooth plate; 7. Dual-axis motor; 8. Transmission gear; 9. Base; 10. Support leg; 11. Fixed plate; 12. Push rod; 13. Connecting rod; 14. Slide rail; 15. Bidirectional screw; 16. Movable block; 17. Pulley; 18. Ordinary motor. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Reference Figure 1-5 The utility model provides an embodiment: a telescopic machine for fire fighting, comprising a main body 1, a plurality of limit rods 2 are fixedly connected inside the main body 1, a telescopic body 3 is slidably connected to the inner side of the main body 1, and the front and rear ends of the telescopic body 3 are provided with limit holes 4, the inner wall of the limit hole 4 is tightly matched with the outer wall of the limit rod 2, and a conveyor belt 5 is installed on the upper side of the telescopic body 3 and the main body 1, and the front and rear ends of the inner side of the limit hole 4 are fixedly connected with a tooth plate 6, and the left end of the telescopic body 3 is fixedly connected with a double-axis motor 7. The front and rear ends of the driving shaft of the double-axis motor 7 are fixedly connected with a transmission gear 8, and the upper side of the transmission gear 8 is meshed and connected to the lower side of the tooth plate 6;

[0025] The dual-axis motor 7 set when starting drives the transmission gear 8 to rotate. The rotating transmission gear 8 cooperates with the tooth plate 6 to drive the telescopic body 3 to move to the left, thereby driving the conveyor belt 5 to move and retract. The transmission gear 8 cooperates with the tooth plate 6 to replace the traditional chain drive and improve the stability of the device.

[0026] The lower side of the main body 1 is slidably connected with a base 9, and the four bottom corners of the base 9 are fixedly connected with support legs 10. The left and right ends of the upper side of the base 9 are fixedly connected with fixed plates 11, and the front and rear ends of the fixed plate 11 are rotatably connected with push rods 12, and the upper ends of the push rods 12 are rotatably connected with connecting rods 13. The front and rear ends of the lower side of the main body 1 are fixedly connected with slide rails 14, and the middle part of the slide rails 14 is rotatably connected with a bidirectional screw 15. The top of the right end of the bidirectional screw 15 is fixedly connected with a pulley 17, and the outer walls of the pulley 17 are connected by a belt. The left and right ends of the bidirectional screw 15 are threadedly connected with movable blocks 16, and the left and right ends of the connecting rod 13 are respectively fixedly connected to the opposite sides of the movable block 16. The left end of the rear slide rail 14 is fixedly connected with an ordinary motor 18, and the drive shaft of the ordinary motor 18 is fixedly connected to the top of the left end of the bidirectional screw 15.

[0027] The ordinary motor 18 is started to drive the bidirectional screw 15 on the same side to rotate, and the bidirectional screw 15 on the other side is driven to rotate synchronously through the provided pulley 17 and the belt, thereby driving the movable blocks 16 at both ends of the bidirectional screw 15 to move toward the middle, thereby driving the push rod 12 to move, thereby pushing the main body 1 and the telescopic body 3 to rise in the opposite direction, adjusting the height of the conveyor belt 5, and facilitating adjustment according to actual needs.

[0028] Working principle: the dual-axis motor 7 is started to drive the transmission gear 8 to rotate, and the rotating transmission gear 8 cooperates with the toothed plate 6 to drive the telescopic body 3 to move to the left, thereby driving the conveyor belt 5 to move, and the ordinary motor 18 is started to drive the bidirectional screw 15 on the same side to rotate, and the bidirectional screw 15 on the other side is driven to rotate synchronously through the set pulley 17 and the belt, thereby driving the movable blocks 16 at both ends of the bidirectional screw 15 to move toward the middle, thereby driving the push rod 12 to move, thereby pushing the main body 1 and the telescopic body 3 in the opposite direction to rise and adjust the height.

[0029] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A telescopic machine for fire fighting, comprising a main body (1), characterized in that: A plurality of limit rods (2) are fixedly connected inside the main body (1), a telescopic body (3) is slidably connected inside the main body (1), limit holes (4) are provided at both front and rear ends of the telescopic body (3), the inner wall of the limit hole (4) is tightly matched with the outer wall of the limit rod (2), a conveyor belt (5) is installed on the upper side of the telescopic body (3) and the main body (1), the front and rear ends of the inner side of the limit hole (4) are fixedly connected with a tooth plate (6), a double-axis motor (7) is fixedly connected to the middle part of the upper left end of the telescopic body (3), the front and rear ends of the driving shaft of the double-axis motor (7) are fixedly connected with a transmission gear (8), the upper side of the transmission gear (8) is meshedly connected to the lower side of the tooth plate (6), and a lifting component is arranged on the lower side of the main body (1).

2. The telescopic machine for fire fighting according to claim 1, characterized in that: The lifting assembly comprises a base (9) at the lower side of the main body (1), the left and right ends of the upper side of the base (9) are fixedly connected to fixed plates (11), the front and rear ends of the fixed plate (11) are rotatably connected to push rods (12), the upper end of the push rod (12) is rotatably connected to a connecting rod (13), and the front and rear ends of the connecting rod (13) are connected to the main body (1) through a driving assembly.

3. The telescopic machine for fire fighting according to claim 2, characterized in that: The driving assembly comprises slide rails (14) at the front and rear ends of the lower side of the main body (1), the middle part of the slide rails (14) is rotatably connected to a bidirectional screw rod (15), the top of the right end of the bidirectional screw rod (15) is fixedly connected to a pulley (17), the outer wall of the pulley (17) is connected by a belt, the left and right ends of the bidirectional screw rod (15) are threadedly connected to a movable block (16), the left end of the rear slide rail (14) is fixedly connected to a common motor (18), and the driving shaft of the common motor (18) is fixedly connected to the top of the left end of the bidirectional screw rod (15).

4. The telescopic machine for fire fighting according to claim 2, characterized in that: The four corners of the bottom of the base (9) are fixedly connected with support legs (10).

5. The telescopic machine for fire fighting according to claim 2, characterized in that: The inner wall of the base (9) is slidably connected to the outside of the main body (1).

6. The telescopic machine for fire fighting according to claim 2, characterized in that: The left and right ends of the connecting rod (13) are respectively fixedly connected to the opposite side of the movable block (16).

7. The telescopic machine for fire fighting according to claim 3, characterized in that: The upper sides of the slide rails (14) are respectively fixedly connected to the lower sides of the main body (1).

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