CN217271542U

CN217271542U - Combined driving brake

Info

Publication number: CN217271542U
Application number: CN202220493742.2U
Authority: CN
Inventors: 骆嵩; 牟成刚; 王铁柱; 杜常亮; 李加羽; 孙超宇; 穆永峰; 宫良奇; 马端峰; 梁启冬; 千智光; 李永运; 隋吉文; 李亚东; 任冶; 王大全; 隋羿博; 毕晓克; 王盼合; 宋庆洋
Original assignee: Dalian Tianzhong Bulk Machinery Equipment Co ltd
Current assignee: Dalian Tianzhong Bulk Machinery Equipment Co ltd
Priority date: 2022-03-09
Filing date: 2022-03-09
Publication date: 2022-08-23
Anticipated expiration: 2032-03-09

Abstract

The utility model belongs to the technical field of driving devices, in particular to a combined driving brake, which comprises a brake cylinder and a piston arranged in the brake cylinder, wherein the piston divides the inner space of the brake cylinder into two parts, and the piston is driven by the action of a pressure medium; the piston is connected with a piston rod, the end part of the piston rod extends to the outside of the brake cylinder, the end part of the piston rod is connected with an electric telescopic rod, the electric telescopic rod and the piston rod are coaxially arranged, and the electric telescopic rod drives the piston to move in the brake cylinder through the piston rod. The utility model discloses a stopper can adopt hydraulic drive or electric drive dual mode to brake, can use different operational environment, satisfies the braking effect.

Description

Combined driving brake

Technical Field

The utility model belongs to the technical field of drive arrangement, concretely relates to combination drive stopper.

Background

The brake is mainly responsible for braking the equipment in the working process, so that the equipment can be in a controllable state. Is an important component of the speed reducer of the car puller and the car pusher. The failure of the brake directly affects the stability and safety of the equipment. The driving mode of the hydraulic brakes of the speed reducers of the car puller and the car pusher is driven by a hydraulic station. The following problems and disadvantages exist in the use of brakes: 1. the oil leakage phenomenon often occurs; 2. the hydraulic station assembly is complex, the sealing and the like are required to be maintained, cleaned and replaced frequently, the workload is large, and the maintenance cost is high.

Disclosure of Invention

According to the problem that hydraulic brake exists among the above-mentioned prior art, the utility model discloses reform transform the hydraulic drive's stopper in pulling car machine, car pusher speed reducer area certainly, provide a combination drive stopper, adopt the electric liquid push rod to replace hydraulic pressure station drive stopper.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a combined driving brake comprises a brake cylinder and a piston arranged in the brake cylinder, wherein the piston divides the inner space of the brake cylinder into two parts and is driven by the action of a pressure medium; the piston is connected with a piston rod, the end part of the piston rod extends to the outside of the brake cylinder, the end part of the piston rod is connected with an electric telescopic rod, the electric telescopic rod and the piston rod are coaxially arranged, and the electric telescopic rod drives the piston to move in the brake cylinder through the piston rod.

Furthermore, the brake cylinder is provided with an oil inlet for allowing a pressure medium to enter the interior of the brake cylinder, and the oil inlet is provided with an oil plug for sealing the oil inlet.

Furthermore, the oil plug is provided with an air inlet which is communicated with the inner space and the outer space of the brake cylinder.

Furthermore, the brake cylinder is externally connected with a telescopic rod support, and a mounting seat of the electric telescopic rod is fixed on the telescopic rod support.

Further, the electric telescopic rod and the piston rod are connected through a cotter pin.

Furthermore, a plurality of axially extending springs are arranged between the piston and the end face of the brake cylinder, a friction brake assembly is arranged on one side, away from the springs, of the piston, and the springs apply pressure to the friction brake assembly, so that the friction brake assembly performs friction and braking.

Furthermore, the friction braking assembly comprises a gear and a plurality of inner and outer tooth friction plates which are arranged in a stacked manner, the inner and outer tooth friction plates are arranged along an annular shape, and the gear is arranged on the inner diameter of the inner and outer tooth friction plates and is meshed with the inner teeth of the inner and outer tooth friction plates; one side of the piston, which is far away from the spring, is contacted with the inner and outer tooth friction plates.

Further, the inner teeth and the outer teeth of the inner and outer tooth friction plates are arranged in a staggered mode.

Furthermore, a clamp spring for fixing the gear is arranged on the gear.

Furthermore, the piston is provided with a spigot, the end face of one side, close to the piston rod, of the spigot is connected with a plurality of groups of springs, and the outer edge of the end face of one side, far away from the springs, of the spigot is provided with annular protrusions which abut against the surfaces of the inner and outer tooth friction plates.

The utility model has the advantages that: the utility model discloses a stopper can adopt hydraulic drive or electric drive dual mode to brake, can use different operational environment, satisfies the braking effect.

Drawings

FIG. 1 is a schematic view of the combined driving brake of the present invention;

in the figure: 1. the brake cylinder comprises a brake cylinder body, 2, a piston, 3, a piston rod, 4, an electric telescopic rod, 5, a split pin, 6, an oil plug, 7, a telescopic rod support, 8, a spring, 9, inner and outer tooth friction plates, 10, a gear, 11 and a clamp spring.

Detailed Description

In order to make the structure and function of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solution in the embodiments of the present invention.

Referring to fig. 1, a combined drive brake comprises a brake cylinder 1 and a piston 2 arranged in the brake cylinder, wherein the piston 2 divides the inner space of the brake cylinder 1 into two parts, and the piston 2 is driven by a pressure medium; piston 2 is connected with piston rod 3, and the tip of piston rod 3 extends to the braking jar 1 outside, the tip of piston rod 3 passes through split pin 5 and connects electric telescopic handle 4, and electric telescopic handle 4 and the coaxial setting of piston rod 3, electric telescopic handle 4 drives piston 2 through piston rod 3 and moves in braking jar 1.

Based on above-mentioned technical scheme, it needs to explain that, piston rod 3 can dismantle with electric telescopic handle 4 and be connected, is convenient for demolish electric telescopic handle 4, gets rid of electric telescopic handle's interference when the stopper needs to use the hydraulic pressure station to drive.

Further, the pressure medium is hydraulic oil.

Furthermore, an oil inlet for pressure medium to enter the brake cylinder is formed in the brake cylinder 1, and an oil plug 6 for sealing the oil inlet is configured on the oil inlet.

Based on above-mentioned technical scheme, need explain that when the stopper need adopt electric telescopic handle to drive, for avoiding pressure medium's interference, demolish original hydraulic circuit and seal the oil inlet through oil blocking.

Further, the oil plug 6 is provided with an air inlet which is communicated with the inner space and the outer space of the brake cylinder. The air inlet can guarantee that the air pressure inside and outside the brake cylinder is balanced, and when the brake is driven electrically, the piston is guaranteed not to be interfered by the air pressure inside the brake cylinder.

Furthermore, the outside of the brake cylinder 1 is connected with a telescopic rod bracket 7, and a mounting seat of the electric telescopic rod is fixed on the telescopic rod bracket 7.

Based on above-mentioned technical scheme, it needs to explain that, telescopic link support 7 passes through the bolt with the checking cylinder outer wall and can dismantle the connection, and the stopper adopts hydraulic drive, can demolish telescopic link support in the lump when demolising electric telescopic handle.

Furthermore, a plurality of axially extending springs 8 are arranged between the piston 2 and the end face of the brake cylinder 1, a friction brake assembly is arranged on one side of the piston 2 away from the springs 8, and the springs 8 pressurize the friction brake assembly to enable the friction brake assembly to perform friction and braking.

Further, the friction braking assembly comprises a gear 10 and a plurality of inner and outer tooth friction plates 9 which are arranged in a stacked manner, the inner and outer tooth friction plates are arranged along an annular shape, and the gear 10 is arranged on the inner diameter of the inner and outer tooth friction plates 9 and is meshed with the inner teeth of the inner and outer tooth friction plates; one side of the piston 2 far away from the spring 8 is in contact with the inner and outer tooth friction plates.

Further, the internal teeth and the external teeth of the inner and outer tooth friction plates 9 are arranged in a staggered manner.

Further, a snap spring 11 for fixing the gear is arranged on the gear 9.

Furthermore, the piston 2 is provided with a spigot, the end face of one side of the spigot, which is close to the piston rod, is connected with a plurality of groups of springs 8, and the outer edge of the end face of one side of the spigot, which is far away from the springs, is provided with annular protrusions which are pressed against the surfaces of the inner and outer tooth friction plates 9.

Based on the above technical scheme, it should be noted that the brake is in a normally closed state, the spring 8 is always in a compressed state, the spring 8 applies pressure to the inner and outer gear friction plates 9, the inner and outer gear friction plates move relatively to generate friction force during rotation to generate braking force, the gear 10 does not rotate, and when the electric telescopic rod 4 contracts, the piston 2 compresses the spring 8 to release the pressure between the inner and outer gear friction plates 9, and the brake is opened. When the electric telescopic rod 5 is used for braking, the electric telescopic rod 4 extends, the spring 8 extends, the brake brakes, the electric telescopic rod contracts, the spring 8 compresses, and the brake opens. When pressure medium is used for braking, the oil inlet is formed in one end, close to the inner and outer tooth friction plates 9, of the braking cylinder 1, oil enters the oil inlet, the spring 8 is compressed, and the brake is opened. The oil is discharged from the oil inlet, the spring 8 extends, and the brake brakes.

For the hydraulic pressure station subassembly maintenance difficulty of avoiding hydraulic brake, hydraulic circuit leaks oil etc. problem, the utility model discloses reform transform the stopper that forms electronic hydraulic pressure dual drive with hydraulic brake originally, on the basis of not destroying original structure and function, can switch the drive mode according to the operating mode condition of difference, guarantee stopper normal operating. The specific modification mode is as follows: an electric push rod support is arranged on the upper part of the original brake. The original limit switch contact head of the brake is connected with an electric push rod, and the limit switch is arranged at the movable position of the push rod. And blocking the oil port of the brake by oil. And (5) dismantling the original hydraulic station and pipeline. The electric push rod is connected with a power supply.

The above list is only the preferred embodiment of the present invention. Obviously, the present invention is not limited to the above embodiments, and many variations are possible. All modifications which can be derived or suggested by a person skilled in the art from the disclosure of the invention should be considered as within the scope of the invention.

Claims

1. A combination drive brake, characterized by: the brake system comprises a brake cylinder and a piston arranged in the brake cylinder, wherein the piston divides the inner space of the brake cylinder into two parts, and the piston is driven by the action of a pressure medium; the piston is connected with a piston rod, the end part of the piston rod extends to the outside of the brake cylinder, the end part of the piston rod is connected with an electric telescopic rod, the electric telescopic rod and the piston rod are coaxially arranged, and the electric telescopic rod drives the piston to move in the brake cylinder through the piston rod.

2. A combined drive brake as defined in claim 1, wherein: the brake cylinder is provided with an oil inlet for pressure medium to enter the brake cylinder, and the oil inlet is provided with an oil plug for sealing the oil inlet.

3. A combined drive brake as defined in claim 2, wherein: the oil plug is provided with an air inlet which is communicated with the inner space and the outer space of the brake cylinder.

4. A combined drive brake according to claim 1, characterised in that: the brake cylinder is externally connected with a telescopic rod support, and a mounting seat of the electric telescopic rod is fixed on the telescopic rod support.

5. A combined drive brake according to claim 1 or 4, characterised in that: the electric telescopic rod is connected with the piston rod through a cotter pin.

6. A combined drive brake as defined in claim 1, wherein: a plurality of axially extending springs are arranged between the piston and the end face of the brake cylinder, a friction brake assembly is arranged on one side, away from the springs, of the piston, and the springs apply pressure to the friction brake assembly, so that the friction brake assembly performs friction and braking.

7. A combined drive brake according to claim 6, characterised in that: the friction braking assembly comprises a gear and a plurality of inner and outer tooth friction plates which are arranged in a stacked mode, the inner and outer tooth friction plates are arranged in an annular mode, and the gear is arranged on the inner diameter of the inner and outer tooth friction plates and meshed with the inner teeth of the inner and outer tooth friction plates; one side of the piston, which is far away from the spring, is contacted with the inner and outer tooth friction plates.

8. A combined drive brake according to claim 7, characterised in that: the internal teeth and the external teeth of the plurality of internal and external tooth friction plates are arranged in a staggered mode.

9. A combined drive brake according to claim 7, characterised in that: and a clamp spring for fixing the gear is arranged on the gear.

10. The combination drive brake of claim 7, wherein: the piston is provided with a spigot, a plurality of groups of springs are connected to the end face of one side, close to the piston rod, of the spigot, annular protrusions are arranged on the outer edge of the end face of one side, far away from the springs, of the spigot, and the annular protrusions abut against the surfaces of the inner and outer tooth friction plates.