CN212898284U

CN212898284U - Flexible ladder stand device that ascends a height of rescue fire engine

Info

Publication number: CN212898284U
Application number: CN202021252966.1U
Authority: CN
Inventors: 王永贵; 王永和
Original assignee: Nan'an Guishun Fire Equipment Co ltd
Current assignee: Nan'an Guishun Fire Equipment Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-04-06
Anticipated expiration: 2030-06-30

Abstract

The utility model discloses a telescopic climbing ladder stand device of an emergency rescue fire truck, which structurally comprises a bottom connecting rod, a controller, a bottom fixing seat, a supporting rod, a lifting fixing block, a ladder stand transverse rod, an internal transmission device, a ladder stand longitudinal rod and a top fixing hole, wherein two ends of the bottom connecting rod are welded with the inner side of the lifting fixing block, the inside of the lifting fixing block is connected with the side surface of the supporting rod in a sliding way, the internal transmission device is arranged inside the supporting rod, the right end of the supporting rod is welded with the left sides of the upper end and the lower end of the bottom fixing seat, the right end of the ladder stand longitudinal rod is welded with the left sides of the upper end and the lower end of the bottom connecting rod, the ladder stand transverse rods are sequentially arranged between the ladder stand longitudinal rods at the same interval from left to right, the left end of the longitudinal rod is provided with the, this reduces the work intensity of the worker.

Description

Flexible ladder stand device that ascends a height of rescue fire engine

Technical Field

The utility model relates to a flexible cat ladder device that ascends a height of rescue fire engine belongs to flexible cat ladder device field of ascending a height.

Background

The servo motor can control the speed and position accuracy accurately, and can convert the voltage signal into torque and rotating speed to drive a control object. The rotation speed of the rotor of the servo motor is controlled by an input signal and can quickly respond, the servo motor is used as an actuating element in an automatic control system, has the characteristics of small electromechanical time constant, high linearity, starting voltage and the like, and can convert a received electric signal into angular displacement or angular speed on a motor shaft for output. The servo motor is divided into two categories of direct current servo motors and alternating current servo motors, and is mainly characterized in that when the signal voltage is zero, the signal voltage has no autorotation phenomenon, and the rotating speed is reduced at a constant speed along with the increase of the torque.

The prior art discloses the application numbers as follows: CN201821848875.7 a flexible ladder stand device that ascends a height of rescue fire engine belongs to fire engine technical field. Including the bottom cat ladder, the middle level cat ladder, the upper strata cat ladder, bottom cat ladder davit fixed arm, middle level cat ladder davit fixed arm and upper strata cat ladder davit fixed arm, the bottom cat ladder includes bottom cat ladder left longitudinal beam, bottom cat ladder right longitudinal beam, bottom cat ladder rail guard fence and bottom cat ladder step foot pipe, the middle level cat ladder includes middle level cat ladder left longitudinal beam, middle level cat ladder right longitudinal beam, middle level cat ladder rail guard fence and middle level cat ladder step foot pipe, the upper strata cat ladder includes upper strata cat ladder left longitudinal beam, upper strata cat ladder right longitudinal beam, upper strata cat ladder and upper strata cat ladder step foot pipe. The functions of the emergency rescue fire truck are expanded, the resource waste is avoided, the investment cost of fire-fighting facilities is saved, and the emergency rescue cost is reduced; the stability in use is guaranteed, and ideal safety is embodied. However, the prior art is imperfect, and the equipment cannot automatically lift the escalator, so that the working strength of workers can be increased.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a flexible cat ladder device of ascending a height of rescue fire engine to solve prior art imperfection, this equipment can't go up and down to the staircase voluntarily, can increase staff's working strength like this.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a flexible cat ladder device of ascending a height of rescue fire engine, its structure includes bottom connecting rod, controller, bottom fixing base, bracing piece, lift fixed block, cat ladder horizontal pole, inside transmission, cat ladder vertical pole, top fixed orifices, bottom connecting rod both ends and the inboard welding of lift fixed block, inside and bracing piece side sliding connection of lift fixed block, inside transmission, its characterized in that are equipped with of bracing piece:

the right end of the supporting rod is welded with the left sides of the upper end and the lower end of the bottom fixing seat, the right end of the crawling ladder longitudinal rod is welded with the left sides of the upper end and the lower end of the bottom connecting rod, the crawling ladder transverse rods are sequentially arranged between the crawling ladder longitudinal rods at the same interval from left to right, the left end of the crawling ladder longitudinal rod is provided with a top fixing hole, and the back of the controller is vertically connected with the front side of the bottom;

the internal transmission device is composed of a top seat, a bearing, a turbine rod, a lifting frame, a fixing plate, a servo motor and a bottom plate, the bottom of the servo motor is fixedly connected with the top of the bottom plate, the top side of the servo motor is attached to the bottom of the fixing plate, the top end of the servo motor is perpendicularly connected with the bottom of the turbine rod, the side face of the middle end of the turbine rod is in transmission connection with the inside of the lifting frame, the inside of the bearing is perpendicularly connected with the top end of the turbine rod, and the bearing is installed inside the top seat.

Furthermore, the crane comprises a connecting fixing plate, a lifting sleeve and an internal thread.

Furthermore, the right side of the connecting fixing plate is welded with the left side of the lifting sleeve.

Furthermore, the inside of the lifting sleeve is provided with an internal thread.

Further, the inner side of the internal thread is in transmission connection with the outer side of the turbine rod.

Further, the type of the servo motor is 40DNA-40CB1 AMS.

Further, the bottom fixing seat can increase the stability of the equipment.

The utility model discloses increased inside transmission, the device can go up and down to the staircase automatically, can reduce staff's working strength like this.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is the utility model relates to a structural schematic diagram of the flexible ladder stand device that ascends a height of rescue fire engine.

Fig. 2 is a schematic structural diagram of the internal transmission device of the present invention.

Fig. 3 is a schematic structural diagram of the lifting frame of the utility model.

In the figure: the ladder comprises a bottom connecting rod-1, a controller-2, a bottom fixed seat-3, a supporting rod-4, a lifting fixed block-5, a ladder transverse rod-6, an internal transmission device-7, a ladder longitudinal rod-8, a top fixed hole-9, a top seat-701, a bearing-702, a turbine rod-703, a lifting frame-704, a fixed plate-705, a servo motor-706, a bottom plate-707, a connecting fixed plate-7041, a lifting sleeve-7042 and an internal thread-7043.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1, 2 and 3, the utility model provides a telescopic climbing ladder device for an emergency rescue fire truck, which comprises: the novel ladder stand structurally comprises a bottom connecting rod 1, a controller 2, a bottom fixing seat 3, a supporting rod 4, a lifting fixing block 5, a ladder stand transverse rod 6, an internal transmission device 7, a ladder stand longitudinal rod 8 and a top fixing hole 9, wherein two ends of the bottom connecting rod 1 are welded with the inner side of the lifting fixing block 5, the inside of the lifting fixing block 5 is connected with the side face of the supporting rod 4 in a sliding mode, the internal transmission device 7 is arranged inside the supporting rod 4, the right end of the supporting rod 4 is welded with the left sides of the upper end and the lower end of the bottom fixing seat 3, the right end of the ladder stand longitudinal rod 8 is welded with the left sides of the upper end and the lower end of the bottom connecting rod 1, the ladder stand transverse rods 6 are sequentially arranged between the ladder stand longitudinal rods 8 at the same interval; the internal transmission device 7 comprises a top seat 701, a bearing 702, a turbine rod 703, a lifting frame 704, a fixing plate 705, a servo motor 706 and a bottom plate 707, the bottom of the servo motor 706 is fixedly connected with the top of the bottom plate 707, the top side of the servo motor 706 is connected with the bottom side of the fixing plate 705 in a fitting manner, the top end of the servo motor 706 is vertically connected with the bottom of the turbine rod 703, the side surface of the middle end of the turbine rod 703 is in transmission connection with the inside of the lifting frame 704, the inside of the bearing 702 is vertically connected with the top end of the turbine rod 703, the bearing 702 is installed inside the top seat 701, the lifting frame 704 comprises a connecting fixing plate 7041, a lifting sleeve 7042 and an internal thread 7043, the right side of the connecting fixing plate 7041 is welded with the left side of the lifting sleeve 7042, the internal thread 7043 is arranged inside the lifting sleeve 7043, the inside of the internal thread is in transmission connection, the bottom fixing seat 3 can increase the stability of the equipment.

The control mode of the servo motor is automatically controlled by a controller, a control circuit of the controller can be realized by simple programming of a person skilled in the art, the servo motor belongs to the common knowledge in the field, and the servo motor is mainly used for protecting a mechanical device, so the control mode and the circuit connection are not explained in detail in the invention.

When the escalator is used, the controller 2 is required to control the internal transmission device 7 inside the internal transmission device 7, the servo motor 706 can drive the turbine rod 703 to rotate around the bearing 702 of the rotating top seat 701, the turbine rod 703 can drive the lifting frame 704 to lift when rotating, the connecting fixing plate 7041 and the lifting sleeve 7042 can drive the lifting fixing block 5 to lift together, the fixing plate 705 and the bottom plate 707 are used for improving the stability of the servo motor 706, and the escalator can be lifted automatically by the escalator, so that the working strength of workers can be reduced.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a flexible cat ladder device of ascending a height of rescue fire engine, its structure includes bottom connecting rod (1), controller (2), bottom fixing base (3), bracing piece (4), lift fixed block (5), cat ladder horizontal pole (6), inside transmission (7), cat ladder vertical pole (8), top fixed orifices (9), bottom connecting rod (1) both ends and lift fixed block (5) inboard welding, inside and bracing piece (4) side sliding connection of lift fixed block (5), inside transmission (7) are equipped with in bracing piece (4), its characterized in that:

the right end of the supporting rod (4) is welded with the left sides of the upper end and the lower end of the bottom fixing seat (3), the right end of the ladder vertical rod (8) is welded with the left sides of the upper end and the lower end of the bottom connecting rod (1), the ladder transverse rods (6) are sequentially arranged between the ladder vertical rods (8) at the same interval from left to right, a top fixing hole (9) is formed in the left end of the ladder vertical rod (8), and the back of the controller (2) is vertically connected with the front side of the bottom fixing seat (3);

the internal transmission device (7) is composed of a top seat (701), a bearing (702), a turbine rod (703), a lifting frame (704), a fixing plate (705), a servo motor (706) and a bottom plate (707), the bottom of the servo motor (706) is fixedly connected with the top of the bottom plate (707), the top side of the servo motor (706) is attached to the bottom side of the fixing plate (705), the top end of the servo motor (706) is vertically connected with the bottom of the turbine rod (703), the middle end side face of the turbine rod (703) is in transmission connection with the inside of the lifting frame (704), the inside of the bearing (702) is vertically connected with the top end of the turbine rod (703), and the bearing (702) is installed inside the top seat (701).

2. The telescopic ascending ladder device of an emergency rescue fire truck as claimed in claim 1, wherein: the lifting frame (704) is composed of a connecting fixing plate (7041), a lifting sleeve (7042) and an internal thread (7043).

3. The telescopic ascending ladder device of an emergency rescue fire truck as claimed in claim 2, wherein: the right side of the connecting fixing plate (7041) is welded with the left side of the lifting sleeve (7042).

4. The telescopic ascending ladder device of an emergency rescue fire truck as claimed in claim 2, wherein: an internal thread (7043) is arranged inside the lifting sleeve (7042).

5. The telescopic ascending ladder device of an emergency rescue fire truck as claimed in claim 2, wherein: the inner side of the internal thread (7043) is in transmission connection with the outer side of the turbine rod (703).