CN105889373A - Aqueous medium normally-closed disk type braking device with pressurizing cylinder - Google Patents
Aqueous medium normally-closed disk type braking device with pressurizing cylinder Download PDFInfo
- Publication number
- CN105889373A CN105889373A CN201610381485.2A CN201610381485A CN105889373A CN 105889373 A CN105889373 A CN 105889373A CN 201610381485 A CN201610381485 A CN 201610381485A CN 105889373 A CN105889373 A CN 105889373A
- Authority
- CN
- China
- Prior art keywords
- brake
- water tank
- pressure cylinder
- cylinder
- pressurizing cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000012736 aqueous medium Substances 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 67
- 239000007788 liquid Substances 0.000 claims abstract description 38
- 230000005484 gravity Effects 0.000 claims abstract description 34
- 230000001502 supplementing effect Effects 0.000 claims abstract description 28
- 239000002609 medium Substances 0.000 claims description 17
- 238000002637 fluid replacement therapy Methods 0.000 claims 1
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000010720 hydraulic oil Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/02—Fluid pressure
- F16D2121/04—Fluid pressure acting on a piston-type actuator, e.g. for liquid pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/18—Electric or magnetic
- F16D2121/24—Electric or magnetic using motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2123/00—Multiple operation forces
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses an aqueous medium normally-closed disk type braking device with a pressurizing cylinder. The aqueous medium normally-closed disk type braking device with the pressurizing cylinder comprises a braking disk, the pressurizing cylinder, a gravity load water tank, a pump unit and a liquid supplementing water tank; the braking disk is provided with a damper brake used for holding and releasing the braking disk; the pressurizing cylinder is connected with the damper brake through a pressure pipeline; a pressurizing cylinder piston is arranged in the pressurizing cylinder; the upper middle portion of the pressurizing cylinder is provided with a liquid supplementing opening; a pressurizing cylinder reset spring is arranged between the top end of the pressurizing cylinder and the bottom end of the gravity load water tank; the gravity load water tank is connected with the liquid supplementing opening through a liquid level compensation loop; the gravity load water tank is connected with the liquid supplementing water tank through a pump unit pipeline; aqueous media are contained in the gravity load water tank and the liquid supplementing water tank; the pump unit is arranged on the pump unit pipeline and externally connected with a power source; and a power supply circuit between the pump unit and the power source is provided with a normally-open electromagnetic valve. By means of the aqueous medium normally-closed disk type braking device with the pressurizing cylinder, miniature of the braking device can be achieved, the using cost is low, energy conservation and environmental protection are achieved, and pollution is avoided.
Description
Technical Field
The invention relates to a disc type braking device, in particular to an aqueous medium normally-closed disc type braking device with a pressure cylinder.
Background
At present, a normally closed disc brake device in the industrial field uses spring return and hydraulic opening as working modes, and uses hydraulic oil as a working medium. The disc brake device has the advantages that the brake of the disc brake device needs to be installed in the working cavity due to the brake spring, so that the volume of a single brake is large, the occupied space is large, the arrangement is limited under the condition that the installation space is limited, the machine installation difficulty is large, the use cost is high due to the fact that hydraulic oil is adopted as a medium, and pollution can be caused when the hydraulic oil is leaked.
It will thus be seen that the prior art is susceptible to further improvements and enhancements.
Disclosure of Invention
In order to avoid the defects of the prior art, the invention provides the water medium normally closed disc type brake device with the pressure cylinder, which has the advantages of small volume, low use cost, energy conservation, environmental protection and no pollution.
The technical scheme adopted by the invention is as follows:
a water medium normally closed disc type brake device with a pressure cylinder comprises a brake disc, a pressure cylinder, a gravity load water tank, a pump set and a liquid supplementing water tank, wherein a brake for tightly holding and releasing the brake disc is arranged on the brake disc, the pressure cylinder is connected with the brake through a pressure pipeline, a pressure cylinder piston is arranged in the pressure cylinder, a liquid supplementing opening is formed in the middle upper part of the pressure cylinder, a pressure cylinder reset spring is arranged between the top end of the pressure cylinder and the bottom end of the gravity load water tank, the pressure cylinder piston is connected with the gravity load water tank through a pressure cylinder piston rod, the pressure cylinder reset spring is sleeved on the pressure cylinder piston rod, the gravity load water tank is connected with the liquid supplementing opening through a liquid level compensation loop, the gravity load water tank is connected with the liquid supplementing water tank through a pump set pipeline, water media are contained in the gravity load water tank and the liquid supplementing water tank, the, a normally open electromagnetic valve is arranged on a power supply line between the pump set and the power supply.
The brake disc is symmetrically provided with two groups of brake brakes, each group of brake brakes comprises a brake cylinder body, a brake piston and a brake return spring which are arranged in the brake cylinder body, and a brake shoe which is arranged on one side of the brake cylinder body and used for tightly holding and loosening the brake disc, the brake return spring of each group of brake brakes is arranged between the brake piston and the brake shoe of the group of brake brakes, the brake piston of each group of brake brakes is connected with the brake shoe of the group of brake brakes through a brake piston rod, and the brake return spring is sleeved on the brake piston rod; each brake cylinder body comprises a rod cavity and a rodless cavity, and a pressure pipeline between the pressure cylinder and the brake is branched into two pressure pipe branches which are respectively communicated with the rodless cavity of the brake cylinder body.
The diameter of the booster cylinder piston is much smaller than the diameter of the brake piston.
And a liquid level meter is arranged on the liquid supplementing water tank.
The liquid supplementing water tank is arranged above the gravity load water tank.
The pump group includes a motor and a hydraulic pump driven by the motor.
Due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. the normally closed failure protection function of the normally closed disc type brake device is realized by sealing the hydraulic medium, and the volume of the brake is reduced and the structure of the brake is simplified by pressurizing through the pressurizing cylinder.
2. The invention uses water as working medium, reduces the pollution caused by medium leakage in the using process and protects the environment.
3. After the brake is opened, the pump set is powered off, the motor works intermittently, and the system is energy-saving.
Drawings
Fig. 1 is a schematic diagram of the present invention.
Wherein,
1. 1.1 of a pressure cylinder, 1.2 of a piston of the pressure cylinder, 1.3 of a return spring of the pressure cylinder, 1.4 of a liquid supplementing port, 2 of a piston rod of the pressure cylinder, 3 of a gravity load water tank, 3.1 of a pump set, 3.2 of a stepping motor, 4 of a hydraulic pump, 5 of a pump set pipeline, 6 of a liquid supplementing water tank, 7 of a liquid level meter, 8 of a normally open electromagnetic valve, 9 of a liquid level compensation loop, 9.1 of a pressure pipeline, 10 of a pressure pipe branch, 11 of a load, 12 of a brake disc, 12.1 of a brake, 12.2 of a brake cylinder body, 12.3 of a brake piston, 12.4 of a return spring of the brake
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific examples, but the present invention is not limited to these examples.
As shown in figure 1, the water medium normally closed disc brake device with a pressure cylinder comprises a brake disc 11, a pressure cylinder 1, a gravity load water tank 2, a pump set 3 and a liquid supplementing water tank 5, wherein a pressure cylinder piston 1.1 is arranged in the pressure cylinder 1, a liquid supplementing port 1.3 is arranged at the middle upper part of the pressure cylinder 1, a pressure cylinder return spring 1.2 is arranged between the top end of the pressure cylinder 1 and the bottom end of the gravity load water tank 2, the pressure cylinder piston 1.1 is connected with the gravity load water tank 2 through a pressure cylinder piston rod 1.4, the pressure cylinder return spring 1.2 is sleeved on a pressure cylinder piston rod 1.4, the gravity load water tank 2 is connected with the liquid supplementing port 1.3 through a liquid level compensation loop 8, the gravity load water tank 1 is connected with the liquid supplementing water tank 5 through a pump set pipeline 4, the gravity load water tank 2 and the liquid supplementing water tank 5 are both filled with water medium, a liquid level meter 6 for observing the consumption of the water medium of the whole device so, the liquid supplementing water tank 5 is arranged above the gravity load water tank 2 so that water can smoothly flow down under the action of gravity; the pump package 3 sets up on pump package pipeline 4, and pump package 3 includes step motor 3.1 and by step motor 3.1 driven hydraulic pump 3.2, and step motor 3.1 external power supply is provided with normally open solenoid valve 7 on the power supply line between pump package 3 and the power.
The brake disc 11 is connected with a load 10, two groups of brake brakes 12 for contracting and releasing the brake discs are arranged on the brake disc 11, each group of brake brakes 12 comprises a brake cylinder body 12.1, a brake piston 12.2 and a brake return spring 12.3 which are arranged in the brake cylinder body 12.1, and a brake shoe 12.4 which is arranged on one side of the brake cylinder body 12.1 and is used for contracting and releasing the brake discs 12, each brake cylinder body 12.1 comprises a rod cavity and a rodless cavity, a pressure pipe branch 9.1 which is formed by branching a pressure pipeline 9 of a pressure cylinder 1 is respectively connected with the rodless cavity of the brake cylinder body 12.1, the brake return spring 12.3 of each group of brake 12 is arranged between the brake piston 12.2 and the brake shoe 12.4 of the group of brake, the brake piston 12.2 of each group of brake 12 is connected with the brake shoe 12.4 of the group of brake 12 through a brake piston rod 12.5, and the brake return spring 12.3 is sleeved on the brake piston rod 12.5; diameter R of the pressure cylinder piston 1.11Is much smaller than the diameter R of the brake piston 12.22After the gravity load water tank 2 is full of water, the gravity is G, and the positive pressure of the brake shoe 12.4 on the brake disc 12 is F ═ GR2 2/R1 2。
The working principle of the invention is as follows:
opening a gate: the normally open electromagnetic valve 7 is powered on and closed, the pump group 3 is powered on, working medium water is pumped into the liquid supplementing water tank 5 from the gravity load water tank 2, the brake return spring 12.3 pushes the brake piston 12.2 to move towards the direction far away from the brake disc 12, and drives the brake shoe 12.4 to move towards the direction far away from the brake disc 12, so that the brake opening process is completed; meanwhile, the pressure cylinder return spring 1.2 overcomes the automatic of the gravity load water tank 2 and overcomes the dead weight of the pressure cylinder piston 1.1 to drive the pressure cylinder piston 1.1 to continuously push upwards, and the lower edge of the pressure cylinder piston 1.1 exceeds the liquid supplementing opening 1.3.
And (3) braking process: the normally open electromagnetic valve 7 is powered off and opened, the pump group 3 is powered off, the water medium flows into the gravity load water tank 2 at the lower part from the liquid supplementing water tank 5 at the high part, and at the moment, the water medium in the gravity load water tank 2 enters the pressure pipeline 9 through the liquid level compensation loop pipeline 8 to compensate the trace consumption of the water medium in the previous braking process; the pressure cylinder piston 1.1 continues to move downwards under the action of the pressure cylinder return spring 1.2, the water medium enters the rodless cavity of the brake cylinder 12.1 through the pressure cylinder 1, the pressure pipeline 9 and the pressure pipe branch 9.1, the brake piston 12.2 is pushed to move towards the brake disc 12, the brake shoe 12.4 is driven to move towards the brake disc 12, until the brake shoe 12.4 is tightly attached to the brake disc 12 and the positive pressure is increased to the rated value, and the braking process is finished.
The above process is repeated to complete the opening and braking of the brake disc 12.
Parts which are not described in the invention can be realized by adopting or referring to the prior art.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (6)
1. The water medium normally closed disc type brake device with the pressure cylinder is characterized by comprising a brake disc, the pressure cylinder, a gravity load water tank, a pump set and a liquid supplementing water tank, wherein a brake for tightly holding and loosening the brake disc is arranged on the brake disc, the pressure cylinder is connected with the brake through a pressure pipeline, a pressure cylinder piston is arranged in the pressure cylinder, a liquid supplementing port is arranged at the middle upper part of the pressure cylinder, a pressure cylinder reset spring is arranged between the top end of the pressure cylinder and the bottom end of the gravity load water tank, the pressure cylinder piston is connected with the gravity load water tank through a pressure cylinder piston rod, the pressure cylinder reset spring is sleeved on the pressure cylinder piston rod, the gravity load water tank is connected with the liquid supplementing port through a liquid level compensation loop, the gravity load water tank is connected with the liquid supplementing water tank through a pump set pipeline, water media are contained in the gravity load water tank and the liquid supplementing water tank, the pump unit is externally connected with a power supply, and a power supply line between the pump unit and the power supply is provided with a normally open electromagnetic valve.
2. The water medium normally closed disc type brake device with the booster cylinder as claimed in claim 1, wherein two sets of brakes are symmetrically arranged on the brake disc, each set of brakes comprises a brake cylinder body, a brake piston and a brake return spring arranged in the brake cylinder body, and a brake shoe arranged on one side of the brake cylinder body and used for tightly holding and releasing the brake disc, the brake return spring of each set of brakes is arranged between the brake piston and the brake shoe of the set of brakes, the brake piston of each set of brakes is connected with the brake shoe of the set of brakes through a brake piston rod, and the brake return spring is sleeved on the brake piston rod; each brake cylinder body comprises a rod cavity and a rodless cavity, and a pressure pipeline between the pressure cylinder and the brake is branched into two pressure pipe branches which are respectively communicated with the rodless cavity of the brake cylinder body.
3. An aqueous medium normally closed disc brake apparatus having a booster cylinder according to claim 2, characterized in that the booster cylinder piston has a diameter much smaller than the diameter of the brake cylinder piston.
4. An aqueous medium normally closed disc brake apparatus with a booster cylinder according to any one of claims 1 to 3, characterized in that a liquid level gauge is provided on the liquid-replenishing water tank.
5. An aqueous medium normally closed disc brake apparatus with a booster cylinder according to any one of claims 1 to 3, characterized in that the fluid replacement tank is disposed above a gravity-loaded tank.
6. An aqueous medium normally closed disc brake apparatus with a booster cylinder according to any one of claims 1 to 3, characterized in that the pump unit includes an electric motor and a hydraulic pump driven by the electric motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610381485.2A CN105889373B (en) | 2016-06-01 | 2016-06-01 | The normally closed disc brake apparatus of aqueous medium with pressurized cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610381485.2A CN105889373B (en) | 2016-06-01 | 2016-06-01 | The normally closed disc brake apparatus of aqueous medium with pressurized cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105889373A true CN105889373A (en) | 2016-08-24 |
| CN105889373B CN105889373B (en) | 2018-01-19 |
Family
ID=56709841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610381485.2A Active CN105889373B (en) | 2016-06-01 | 2016-06-01 | The normally closed disc brake apparatus of aqueous medium with pressurized cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105889373B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110733484A (en) * | 2019-11-07 | 2020-01-31 | 成都理工大学 | Compensation valve applied to static pressure braking system and static pressure braking system |
| CN112901688A (en) * | 2021-03-22 | 2021-06-04 | 安徽理工大学 | Mine disc brake based on differential hydraulic cylinder |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2168986Y (en) * | 1992-08-28 | 1994-06-15 | 孔繁华 | Normally closed multi-stage bralce |
| CN2359303Y (en) * | 1999-01-27 | 2000-01-19 | 江阴市第四纺织机械厂 | Static oil pressure brake device for sectional wraper |
| CN2448665Y (en) * | 2000-09-22 | 2001-09-19 | 王立功 | Hydraulic brake for motorcycle |
| KR20020052314A (en) * | 2000-12-26 | 2002-07-04 | 이계안 | Disk brake of vehicle |
| US20050006948A1 (en) * | 2000-12-19 | 2005-01-13 | Ulf Friesen | Electromechanical brake applying device |
| CN2767407Y (en) * | 2004-12-08 | 2006-03-29 | 上海港机重工有限公司 | Brake system of high pedestal jib crane |
| CN203111165U (en) * | 2013-03-23 | 2013-08-07 | 牛国亮 | Automobile hydraulic brake device |
| CN103644215A (en) * | 2013-11-06 | 2014-03-19 | 桂林市华力重工机械有限责任公司 | Intelligent hydraulic braking system of full-hydraulic crawler-type cutting drill |
-
2016
- 2016-06-01 CN CN201610381485.2A patent/CN105889373B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2168986Y (en) * | 1992-08-28 | 1994-06-15 | 孔繁华 | Normally closed multi-stage bralce |
| CN2359303Y (en) * | 1999-01-27 | 2000-01-19 | 江阴市第四纺织机械厂 | Static oil pressure brake device for sectional wraper |
| CN2448665Y (en) * | 2000-09-22 | 2001-09-19 | 王立功 | Hydraulic brake for motorcycle |
| US20050006948A1 (en) * | 2000-12-19 | 2005-01-13 | Ulf Friesen | Electromechanical brake applying device |
| KR20020052314A (en) * | 2000-12-26 | 2002-07-04 | 이계안 | Disk brake of vehicle |
| CN2767407Y (en) * | 2004-12-08 | 2006-03-29 | 上海港机重工有限公司 | Brake system of high pedestal jib crane |
| CN203111165U (en) * | 2013-03-23 | 2013-08-07 | 牛国亮 | Automobile hydraulic brake device |
| CN103644215A (en) * | 2013-11-06 | 2014-03-19 | 桂林市华力重工机械有限责任公司 | Intelligent hydraulic braking system of full-hydraulic crawler-type cutting drill |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110733484A (en) * | 2019-11-07 | 2020-01-31 | 成都理工大学 | Compensation valve applied to static pressure braking system and static pressure braking system |
| CN112901688A (en) * | 2021-03-22 | 2021-06-04 | 安徽理工大学 | Mine disc brake based on differential hydraulic cylinder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105889373B (en) | 2018-01-19 |
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