CN105858087B - Hydraulic contracting for scrapper conveyor tail auto-tensioning locks system and its application - Google Patents
Hydraulic contracting for scrapper conveyor tail auto-tensioning locks system and its application Download PDFInfo
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- CN105858087B CN105858087B CN201610379867.1A CN201610379867A CN105858087B CN 105858087 B CN105858087 B CN 105858087B CN 201610379867 A CN201610379867 A CN 201610379867A CN 105858087 B CN105858087 B CN 105858087B
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- Prior art keywords
- brake
- hydraulic
- braking disk
- hydraulic braking
- scrapper conveyor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
- B65G23/44—Belt or chain tensioning arrangements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
- Drives For Endless Conveyors (AREA)
Abstract
The present invention relates to a kind of hydraulic contractings for scrapper conveyor tail auto-tensioning to lock system and its application, including more than one hydraulic contracting unit, the hydraulic contracting unit includes supporter, hydraulic braking disk, connecting plate and two brake clips, the setting hydraulic braking disk in the both sides of supporter, hydraulic braking disk is fixedly connected with the lateral surface of connecting plate, the medial surface of connecting plate and one end of brake clip are hinged, and two brake clips intersect and pass through axis connection.By moment amplification mechanism, the amplification at double of the starting force of offer is realized, the final clamping force for obtaining bigger improves fastness and the safety of hydraulic contracting system with this.The present invention provides a kind of new method for the auto lock of scratch board machine chain tension regulating system, the locked system structure design of the hydraulic contracting is reasonable, easy to install and use, high degree of automation, safety is good, and technical guarantee is provided for the auto lock and safe operation of scrapper conveyor tail.
Description
Technical field
The present invention relates to a kind of hydraulic contractings for scrapper conveyor tail auto-tensioning to lock system and its application, belongs to and scrapes
Trigger technical field.
Background technology
Drag conveyor as fully-mechanized mining working prevailing traffic equipment just towards large conveying quantity, long haul distance, powerful side
To development.Scraper chain is one of important component of scrapper conveyor, haulage gear of the scraper chain as drag conveyor, its work
Make state and restrict the normal operation of drag conveyor, while the safety of mine can be impacted with yield, it is therefore desirable to be realized
To the tension adjustment of scraper conveyer chain, ensures that scraper chain adapts to the transformation of load, chain is made to be operated in appropriate elastic shape
In state.It after the completion of scratch board machine chain tension adjustment, needs to lock it, scraper chain is made to be maintained at fixed tension to adapt to
The load that scraper chain is born, existing locking mode are mainly the following：
One, the manual locking of telescopic machine tail is realized in such a way that worm and gear adds leading screw；Two, pass through bidirectional hydraulic lock
To realize the mechanical latching of telescopic oil cylinder to realize the locking of telescopic machine tail；Three, by being connected and fixed realization by spacer pin
The mechanical position limitation of telescopic machine tail.
The mode that the manual locking of telescopic machine tail is realized by way of worm and gear plus leading screw, to locking opportunity
In selection, need to complete by the experience of worker and more people cooperation are common, cannot achieve after scratch board machine chain tension adjustment from
Dynamic locking；This mode increases the labor intensity of worker and can not improve locking quality.
By way of realizing locking of the mechanical latching of telescopic oil cylinder to realize telescopic machine tail bidirectional hydraulic lock, need
Hydraulic oil is supplemented to tensioning chamber in time, ensure the constant of tensioning cavity pressure.After the completion of scratch board machine chain tension adjustment, this lock
Tight working method will make hydraulic cylinder be in long-term stress so that situations such as fatigue of component or abrasion is serious, is easy to cause
The problems such as hydraulic oil is revealed in hydraulic cylinder.
In such a way that spacer pin is connected and fixed the mechanical position limitation of realization telescopic machine tail, on practical industrial and mining condition lower frame
The hole load effect that is easy to be hit deform, or even gap phenomenon occurs, position-limiting action is lost, to the elastic tune of chain
Section loses meaning, or even causes danger, and there are security risks.
Therefore, there is an urgent need for designing a kind of locking mode of new structure, to change the deficiency in existing locking mode.
Invention content
In view of the deficiencies of the prior art, it is locked to provide a kind of hydraulic contracting for scrapper conveyor tail auto-tensioning by the present invention
System and its application.
The present invention also provides the users that a kind of above-mentioned hydraulic contracting for scrapper conveyor tail auto-tensioning locks system
Method.
Technical scheme is as follows：
A kind of hydraulic contracting for scrapper conveyor tail auto-tensioning locks system, including more than one hydraulic contracting list
Member, the hydraulic contracting unit include supporter, hydraulic braking disk, connecting plate and two brake clips, are set in the both sides of supporter
The hydraulic braking disk is set, hydraulic braking disk is fixedly connected with the lateral surface of connecting plate, the medial surface and brake clip of connecting plate
One end it is hinged, two brake clips intersect and pass through axis connection.
Preferably, the hydraulic braking disk is bolted to connection with connecting plate.
Preferably, the shape of the brake clip is V-shaped, and one end of brake clip is hinged with connecting plate by connecting axis pin, and two
A brake clip is connected by central pin shaft, and a clamping opening is formed between two brake clips.This design is advantageous in that, two brake clips
It is attached by central pin shaft at V-arrangement inflection point, brake disc is clamped by the clamping opening formed between two brake clips
Or unclamp, it is locked to the band-type brake after scraper chain auto-tensioning to realize with this.
Preferably, it is provided with friction plate on the opposite medial surface of two brake clips.This design is advantageous in that, works as braking
When folder is locked to brake disc progress band-type brake, friction plate can increase the frictional force between brake clip and brake disc, improve Band-type brake lock
Fastness when dead.
Preferably, it is symmetrically arranged with close to switch on the opposite medial surface of two brake clips.
Preferably, described to select photoelectric proximity switch close to switch.
Preferably, the central pin shaft is L with the centre-to-centre spacing for connecting axis pin2, center and the brake clip V-arrangement of central pin shaft turn
The vertical range of point is L1, L2/L1≥4.This design is advantageous in that, two arm of force L2And L1Between multiple proportion, system can be made
The clamping opening of dynamic folder generates different dynamics, and the amplification at double of clamping force can be realized with this.
A kind of scrapper conveyor, including sequentially connected hydraulic cylinder, bearing block and brake disc further include that above-described hydraulic pressure is embraced
Lock locks system, and being symmetrical arranged hydraulic contracting in the both sides of scrapper conveyor tail locks system, and brake disc is located at two brake clips
Between clamping opening, brake disc is clamped or is unclamped by clamping opening.
A kind of hydraulic contracting for scrapper conveyor tail auto-tensioning locks the application method of system, includes the following steps,
When needing to clamp band-type brake to brake disc, the hydraulic braking disk startup of both sides is simultaneously shunk in opposite directions, drives two brakings
Folder is rotated around central pin shaft, and clamping opening becomes smaller, and is realized that two brake clips clamp brake disc, is clamped the hydraulic braking of both sides after brake disc
Disk stops operation；
When needing to put lock to brake disc release, the hydraulic braking disk relative extension of both sides drives two brake clips in
Heart axis pin rotates, and clamping opening becomes larger, two brake clip take-off the brake disks of realization, and the hydraulic braking disk of both sides stops after take-off the brake disk
Operation.
Preferably, when band-type brake, if S >=Slimit, illustrate that band-type brake is not in place, the hydraulic braking disk of both sides continues opposite receive
Contracting, until S ＜ SlimitWhen, the hydraulic braking disk of both sides stops operation, wherein：S is two spacing measured close to switch,
SlimitFor two under the band-type brake state of setting close to switch room away from minimum value.
Preferably, when putting lock, if S≤Slimit, illustrate that put lock the case where unexpected band-type brake, then hydraulic braking occurs in the process
Disk stops operation and maintenance down.
The beneficial effects of the present invention are：
The present invention provides a kind of new method for the auto lock of scratch board machine chain tension regulating system, can greatly carry
Auto lock ability after the completion of high chain tension adjusting, the locked system structure design of the hydraulic contracting is reasonable, the side of installing and using
Just, high degree of automation, safety is good, and technical guarantee is provided for the auto lock and safe operation of scrapper conveyor tail.
Description of the drawings
Fig. 1 is that hydraulic contracting of the present invention locks structural schematic diagram of the system mounted on scrapper conveyor tail when；
Fig. 2 is the structural schematic diagram that hydraulic contracting of the present invention locks system；
Fig. 3 is the structural schematic diagram that hydraulic contracting of the present invention locks hydraulic contracting unit in system；
Hydraulic contracting locks the operating diagram of system when Fig. 4 is scrapper conveyor tail tight chain；
Hydraulic contracting locks the operating diagram of system when Fig. 5 is scrapper conveyor tail pine chain；
Wherein：1- hydraulic cylinders；2- bearing blocks；3- brake discs；4- hydraulic contractings lock system；5- mounting seats；6- torques
Enlarger；The close switches of 7-；8- hydraulic braking disks；9- friction plates；10- brake clips；11- connecting plates；12- central pin shafts；13-
Connect axis pin；14- supporters.
Specific implementation mode
The present invention will be further described by way of example and in conjunction with the accompanying drawings, but not limited to this.
Embodiment 1：
If 1 to shown in Fig. 3, a kind of hydraulic contracting for scrapper conveyor tail auto-tensioning locks system, including two liquid
It includes supporter 14, hydraulic braking disk 8, connecting plate 11 and two brake clips 10 to press band-type brake unit, each hydraulic contracting unit,
The hydraulic braking disk 8 is fixedly mounted in the both sides of supporter 14, and the hydraulic braking disk 8 of both sides is symmetrical arranged, hydraulic braking disk 8
It is bolted to connection with the lateral surface of connecting plate 11, the medial surface of connecting plate 11 is hinged with one end of brake clip 10, two
Brake clip intersects and passes through axis connection.
The shape of brake clip 10 is V-shaped, and one end of brake clip 10 is cut with scissors by connecting axis pin 13 and the medial surface of connecting plate 11
It connects, two brake clips are connected by central pin shaft 12, and a clamping opening is formed between two brake clips.Two brake clips 10 are turned in V-arrangement
It is attached, brake disc 3 is clamped by the clamping opening formed between two brake clips or loose by central pin shaft 12 at point
It opens, it is locked to the band-type brake after scraper chain auto-tensioning to realize with this.
It is provided with friction plate 9 on the opposite medial surface of two brake clips 10.When brake clip 10 carries out band-type brake to brake disc 3
When locked, friction plate 9 can increase the frictional force between brake clip 10 and brake disc 3, improve fastness when band-type brake locks.
It is symmetrically arranged with photoelectric proximity switch 7 on the opposite medial surface of two brake clips 10.
Central pin shaft 12 is L with the centre-to-centre spacing for connecting axis pin 132, center and the brake clip V-arrangement inflection point of central pin shaft 12
Vertical range is L1, L2/L1=F1/F2=4.Two arm of force L2And L1Between multiple proportion, the clamping opening of brake clip can be made to generate
Different dynamics can realize the amplification at double of clamping force, i.e., the clamping force F that brake clip generates with this1It is the production of hydraulic braking disk
Raw clamping force F2Four times.
The technical solution of the present embodiment drives V-arrangement brake clip by hydraulic braking disk, by moment amplification mechanism, according to
Torque formula utilizes the relationship between the different arm of forces, and to adjust the purpose of clamping opening clamping force, final realize passes through moment amplification machine
Structure amplifies the starting force that hydraulic braking disk provides at double, improves the locked fastness of band-type brake and safety.
Embodiment 2：
A kind of scrapper conveyor, including sequentially connected hydraulic cylinder, bearing block and brake disc further include liquid described in embodiment 1
Band-type brake is pressed to lock system 4, being symmetrical arranged hydraulic contracting in the both sides of scrapper conveyor tail locks system 4, and brake disc 3 is located at two systems
Between the clamping opening of dynamic folder 10, brake disc is clamped or is unclamped by clamping opening.
Embodiment 3：
A kind of hydraulic contracting for scrapper conveyor tail auto-tensioning locks the application method of system, includes the following steps,
When needing to clamp band-type brake to brake disc 3, the hydraulic braking disk 8 of both sides starts and shrinks in opposite directions, drives two systems
Dynamic folder 10 is rotated around central pin shaft 12, and clamping opening becomes smaller, and is realized that two brake clips 10 clamp brake disc 3, is clamped both sides after brake disc
Hydraulic braking disk stop operation；If S >=Slimit, illustrate that band-type brake is not in place, the hydraulic braking disk of both sides continues opposite contraction, directly
To S ＜ SlimitWhen, the hydraulic braking disk of both sides stops operation, wherein：S is two spacing measured close to switch, SlimitTo set
Under fixed band-type brake state two close to switch room away from minimum value.
When needing to put lock to the release of brake disc 3, the hydraulic braking disk relative extension of both sides drives two brake clips in
Heart axis pin 12 rotates, and clamping opening becomes larger, two 10 take-off the brake disks 3 of brake clip of realization, the hydraulic braking of both sides after take-off the brake disk
Disk 8 stops operation.If S≤Slimit, illustrate that put lock the case where unexpected band-type brake occurs in the process, then hydraulic braking disk stops operation simultaneously
Maintenance down.
Claims (7)
1. a kind of hydraulic contracting for scrapper conveyor tail auto-tensioning locks system, which is characterized in that including more than one
Hydraulic contracting unit, the hydraulic contracting unit include supporter, hydraulic braking disk, connecting plate and two brake clips, are being supported
Hydraulic braking disk described in the both sides setting of body, hydraulic braking disk are fixedly connected with the lateral surface of connecting plate, the inside of connecting plate
Face and one end of brake clip are hinged, and two brake clips intersect and pass through axis connection；
The shape of the brake clip is V-shaped, and one end of brake clip is hinged with connecting plate by connecting axis pin, and two brake clips pass through
Central pin shaft connects, and a clamping opening is formed between two brake clips；
It is symmetrically arranged with close to switch on the opposite medial surface of two brake clips；
The central pin shaft is L with the centre-to-centre spacing for connecting axis pin2, the vertical range at the center and brake clip V-arrangement inflection point of central pin shaft
For L1, L2/ L1≥4。
2. locking system for the hydraulic contracting of scrapper conveyor tail auto-tensioning as described in claim 1, which is characterized in that institute
Hydraulic braking disk is stated to be bolted to connection with connecting plate.
3. locking system for the hydraulic contracting of scrapper conveyor tail auto-tensioning as described in claim 1, which is characterized in that
It is provided with friction plate on the opposite medial surface of two brake clips.
4. a kind of scrapper conveyor, including sequentially connected hydraulic cylinder, bearing block and brake disc further include as described in claim 1
Hydraulic contracting locks system, and being symmetrical arranged hydraulic contracting in the both sides of scrapper conveyor tail locks system, and brake disc is located at two systems
Between the clamping opening of dynamic folder, brake disc is clamped or is unclamped by clamping opening.
5. a kind of hydraulic contracting as described in any one of claims 1-3 for scrapper conveyor tail auto-tensioning locks system
Application method includes the following steps,
When need to brake disc clamp band-type brake when, the hydraulic braking disk startup of both sides simultaneously is shunk in opposite directions, drive two brake clips around
Central pin shaft rotates, and clamping opening becomes smaller, two brake clips clamping brake discs of realization, and the hydraulic braking disk of both sides stops after clamping brake disc
Only operation；
When needing to put lock to brake disc release, the hydraulic braking disk relative extension of both sides drives two brake clips around centrepin
Shaft rotation is dynamic, and clamping opening becomes larger, two brake clip take-off the brake disks of realization, and the hydraulic braking disk of both sides stops making after take-off the brake disk
Industry.
6. the application method of system is locked for the hydraulic contracting of scrapper conveyor tail auto-tensioning as claimed in claim 5,
It is characterized in that, when band-type brake, if S >=Slimit, illustrates that band-type brake is not in place, the hydraulic braking disk of both sides continues opposite contraction, directly
When to S ＜ Slimit, the hydraulic braking disk of both sides stops operation, wherein：S is two spacing measured close to switch, Slimit
For two under the band-type brake state of setting close to switch room away from minimum value.
7. the application method of system is locked for the hydraulic contracting of scrapper conveyor tail auto-tensioning as claimed in claim 5,
It is characterized in that, when putting lock, if S≤Slimit, illustrates that put lock the case where unexpected band-type brake occurs in the process, then hydraulic braking disk stops
Only operation and maintenance down, wherein：S is two spacing measured close to switch, and Slimit is two under the band-type brake state set
Close to switch room away from minimum value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610379867.1A CN105858087B (en) | 2016-05-31 | 2016-05-31 | Hydraulic contracting for scrapper conveyor tail auto-tensioning locks system and its application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610379867.1A CN105858087B (en) | 2016-05-31 | 2016-05-31 | Hydraulic contracting for scrapper conveyor tail auto-tensioning locks system and its application |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105858087A CN105858087A (en) | 2016-08-17 |
| CN105858087B true CN105858087B (en) | 2018-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610379867.1A Active CN105858087B (en) | 2016-05-31 | 2016-05-31 | Hydraulic contracting for scrapper conveyor tail auto-tensioning locks system and its application |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2646485B1 (en) * | 1989-04-28 | 1991-08-23 | Sime Ind | SELF-ADJUSTABLE OPENING BRAKE AND WEAR COMPENSATOR |
| DE102009040509A1 (en) * | 2009-09-01 | 2011-03-03 | SSI Schäfer Noell GmbH Lager- und Systemtechnik | Device for clamping endlessly circulating conveying means |
| CN201669380U (en) * | 2010-04-30 | 2010-12-15 | 宁波强盛机械模具有限公司 | Core settling jig auxiliary clamp device for cylinder casting |
| CN102502184A (en) * | 2011-10-19 | 2012-06-20 | 无锡市福曼科技有限公司 | Pull type chain wheel adjusting device |
| CN202321518U (en) * | 2011-11-14 | 2012-07-11 | 山东矿机集团股份有限公司 | Hydraulic brake disk chain tightener |
| CN202440090U (en) * | 2012-02-20 | 2012-09-19 | 山东科大机电科技有限公司 | Tail disc type braking device of telescopic belt conveyer |
| CN203127630U (en) * | 2012-11-13 | 2013-08-14 | 西安锐豪动力科技发展有限公司 | Hydraulic brake disc for scraper machine |
| CN205661995U (en) * | 2016-05-31 | 2016-10-26 | 山东科技大学 | A hydraulic pressure band -type brake is locked system of dying and is scraped trigger that is used for scraping automatic tensioning of trigger tail |
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2016
- 2016-05-31 CN CN201610379867.1A patent/CN105858087B/en active Active
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| CN105858087A (en) | 2016-08-17 |
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