CN101570198A - Synchronous braking system for suspended type digger - Google Patents
Synchronous braking system for suspended type digger Download PDFInfo
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- CN101570198A CN101570198A CNA2009100521756A CN200910052175A CN101570198A CN 101570198 A CN101570198 A CN 101570198A CN A2009100521756 A CNA2009100521756 A CN A2009100521756A CN 200910052175 A CN200910052175 A CN 200910052175A CN 101570198 A CN101570198 A CN 101570198A
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- digger
- brake
- brake discs
- guide rail
- synchronous braking
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Abstract
The invention discloses a synchronous braking system for a suspended type digger, which comprises two brake discs and two cylinders, wherein the front side of each brake disc is a friction surface, and the back side of each brake disc is supported against a pressure spring and is connected with a pull rod; the friction surfaces of the two brake discs are arranged relatively; and the other end of the pull rod is connected with a piston rod of the cylinder. During use, the system is fixedly connected with a chassis of the digger, and the two brake discs are arranged on the two sides of an I-beam guide rail; when the digger digs, the brake discs make the friction surfaces compress the I-beam guide rail under the pressure action of the pressure spring; the friction force between a brake disc of a brake on the digger and the I-beam guide rail overcomes the counter acting force generated when a main body of the digger digs and prevents the main body of the digger from moving; and when the digger needs to move, the pull rods of the brake discs are pulled by operating a travel hydraulic motor and synchronously providing hydraulic oil for the cylinder, and the pressure of the pressure spring is overcome to make the brake discs loosened; therefore, the digger can move back and forth and is used quite conveniently.
Description
Technical field
The present invention relates to a kind of suspension type excavating machine, particularly a kind of synchronous braking system of suspension type excavating machine.
Background technology
In deep foundation pneumatic caisson work progress, the unmanned remote controlled hydraulic excavator of general employing excavates, machine is installed in the fully enclosed pneumatic caisson, by being installed in the supervisory system in machine and the caisson, the operator handles control by remote control system to the excavating machine in the caisson in that Ground Control is indoor.Because working space is limited in the caisson, so preferably adopt the suspension type excavating machine, by movable guide wheel the excavating machine main body is suspended on the I-beam section guide rail on the top board, under the driving of actuating device, excavating machine can move around along the I-beam section guide rail, and the working arm of excavating machine is stretched ground is excavated.
But because the suspension type excavating machine is suspended on the guide rail by wheel, the friction force between wheel and the guide rail is very little.The antagonistic force that produces when preventing that excavating machine from excavating moves main frame on guide rail, one cover synchronous braking system must be set, when excavating machine excavates, the brake system braking, can relative motion between excavating machine and the guide rail, thus antagonistic force when excavating can be born; When the excavating machine needs were mobile, brake system discharged, and the wheel of excavating machine can be moved on guide rail.But the brake system of prior art exists complex structure, work is unreliable and need defective such as operation bidirectional.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of synchronous braking system of suspension type excavating machine, to overcome the above-mentioned defective of prior art.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of synchronous braking system for suspended type digger, comprise two brake discs and two oil cylinders, the front of each brake disc is a friction face, and its back side is connected with stage clip, pull bar, the friction face of two brake discs is oppositely arranged, and the other end of pull bar is connected with the piston rod of oil cylinder.
Preferably, described compression spring sleeve is on pull bar.
Preferably, described pull bar is connected with the piston rod of oil cylinder by a lever, a connecting rod, described lever is provided with three hinge-points, wherein upper link point is connected with pull bar, a middle hinge-point and a support are hinged, lower link point and connecting rod are hinged, and the other end of connecting rod and the piston rod of oil cylinder are hinged.
Preferably, on the described lever, the distance of middle hinge-point and lower link point greater than middle hinge-point to the distance between the upper link point.
Preferably, but also comprise the inner sleeve and the outer sleeve of slide relative, described stage clip is between the end face of inner and outer sleeves.
Preferably, described outer sleeve fixed installation, inner sleeve is connected with brake disc.
This synchronous braking system for suspended type digger is captiveed joint with the excavating machine main body in use, and two brake discs are installed in the both sides of I-beam section guide rail, and the friction face of brake disc contacts with the I-beam section guide rail.When excavating machine excavated, two brake discs made friction face compress guide rail under the pressure effect of stage clip, realized braking, when excavating machine excavates, prevented that excavating machine from moving.Its key point is to require to realize locking braking or brake off synchronously when control walking HM Hydraulic Motor, does not need extra operation.When the excavating machine needs are mobile, only need realize the pull bar on the promotion oil cylinder pulling brake disc by the operation running motor synchronously, the pressure that overcomes stage clip unclamps brake disc, and the fuel feeding of oil cylinder is to be accompanied by operation walking HM Hydraulic Motor and fuel feeding synchronously, does not need extra operation to make oil cylinder work.Excavating machine just can move around on the I-beam section guide rail like this, and is simple in structure, good reliability.
Description of drawings
Fig. 1 is the front view of the embodiment of the invention.
Fig. 2 is the left view of the embodiment of the invention
The specific embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail.
As shown in Figure 1, 2, this synchronous braking system for suspended type digger comprises two brake discs 13, two oil cylinders 25.The front of brake disc 13 is a friction face, and the back side posts and fixes with the inner end surface of inner sleeve 12 and is connected, and the outside of inner sleeve 12 is with outer sleeve 11, but slide relative between inner sleeve 12 and the outer sleeve 11.Outer sleeve 11 is fixed on the link span 26, and the outer face of inner sleeve 12 is captiveed joint with pull bar 21, is with stage clip 14 on the pull bar 21, and stage clip 14 is compressed between inner sleeve 12 and the outer sleeve 11.Pull bar 21 is connected by the piston rod 27 of lever 23, connecting rod 24 and oil cylinder 25.Lever 23 is provided with three hinge-points, the distance that the distance of wherein middle hinge-point 29 and lower link point 31 arrives between the upper link point 28 greater than middle hinge-point 29.Upper link point 28 is hinged with pull bar 21, and middle hinge-point and support 22 are hinged, and support 22 is fixed on the link span 26, and lower link point 31 is hinged with connecting rod 24, and the piston rod 27 of connecting rod 24 and oil cylinder 25 is hinged.Oil cylinder 25 is captiveed joint with link span 26, and link span 26 is connected oil cylinder 25, outer sleeve 11 and support 22 as a whole, and link span 26 can also be used to placing parts such as the oil pipe, cable of oil cylinder.
See also Fig. 1, this synchronous braking system for suspended type digger in use, captive joint with the excavating machine main body by link span 26, the friction face of two brake discs 13 is relative, be installed in the both sides of I-beam section guide rail 30 respectively, and the friction face of brake disc 13 and the web of I-beam section guide rail are contacted, because outer sleeve 11 is fixing, inner sleeve 12 is connected with brake disc 13, the pressure of 14 generations of the stage clip between inner sleeve 12 and the outer sleeve 11 will be pressed on the friction face of brake disc 13 on the web of I-beam section guide rail 30 like this, increases the friction force between brake disc 13 and the I-beam section guide rail 30.As long as the pressure that stage clip 14 produces is enough big, the antagonistic force when this friction force just can overcome excavating machine and excavates prevents that the excavating machine main body from moving, and the assurance excavating machine can be normally, fast speed work.
When the excavating machine needs are mobile, hydraulic efficiency pressure system is given the HM Hydraulic Motor fuel feeding of actuating device, also be oil cylinder 25 fuel feeding simultaneously, the piston rod 27 of oil cylinder 25 is moved inward, piston rod 27 pulling connecting rods 24 move, the middle hinge-point 29 of lever 23 and support 22 hinged formation one lever constructions, when an end of connecting rod 24 pull lever 23 moves inward, the other end of lever 23 then spurs pull bar 21 and outwards moves, and the pressure that overcomes stage clip 14 makes inner sleeve 12, brake disc 13 outer moving, brake disc 13 and I-beam section guide rail 30 separate like this, and excavating machine can move at the driving lower edge of actuating device I-beam section guide rail 30.After excavating machine moves into place, the hydraulic efficiency pressure system pressure release, HM Hydraulic Motor quits work, oil cylinder 25 also releasing pressure automatically under the pressure of stage clip 14, brake disc 13 compresses the web of I-beam section guide rail again under the pressure of stage clip 14, and the excavating machine braking is no longer mobile.Realize synchronously when control walking HM Hydraulic Motor that promptly providing pressure to move with the promotion oil cylinder to two oil cylinders draws back brake disc.When running motor quit work, brake disc self-return under the effect of stage clip compressed track and realizes the locking braking, and in-oil cylinder hydraulic oil is while automatic oil return under the effect of spring also.Above-mentioned braking, release movement do not need extra operation.
According to lever principle, the distance of hinge-point 29 and lower link point 31, only needs less power just can spur inner sleeve like this and moves to the distance between the upper link point 28 greater than middle hinge-point 29 in the middle of the lever 23 on the lower link point 31, overcomes stage clip pressure.Be lubricated for the slip between the inner and outer sleeves is paid, also be provided with an oil hole 15 on the outer peripheral face of outer sleeve 11, be used for slip between inner and outer sleeves and inject lubricating oil in paying, to prolong the service life of inner and outer sleeves.
More than the synchronous braking system for suspended type digger that the embodiment of the invention provided is described in detail; for one of ordinary skill in the art; thought according to the embodiment of the invention; part in specific embodiments and applications all can change; in sum; this description should not be construed as limitation of the present invention, and all any changes of making according to design philosophy of the present invention are all within protection scope of the present invention.
Claims (6)
1. synchronous braking system for suspended type digger, it is characterized in that: comprise two brake discs and two oil cylinders, the front of each brake disc is a friction face, and its back side is connected with stage clip, pull bar, the friction face of two brake discs is oppositely arranged, and the other end of pull bar is connected with the piston rod of oil cylinder.
2. synchronous braking according to claim 1 system, it is characterized in that: described compression spring sleeve is on pull bar.
3. synchronous braking according to claim 1 system, it is characterized in that: described pull bar is connected with the piston rod of oil cylinder by a lever, a connecting rod, described lever is provided with three hinge-points, wherein upper link point is connected with pull bar, a middle hinge-point and a support are hinged, lower link point and connecting rod are hinged, and the other end of connecting rod and the piston rod of oil cylinder are hinged.
4. synchronous braking according to claim 3 system is characterized in that: on the described lever, the distance of middle hinge-point and lower link point greater than middle hinge-point to the distance between the upper link point.
5. synchronous braking according to claim 1 and 2 system is characterized in that: but also comprise the inner sleeve and the outer sleeve of slide relative, and described stage clip is between the end face of inner and outer sleeves.
6. synchronous braking according to claim 5 system is characterized in that: described outer sleeve fixed installation, inner sleeve is connected with brake disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100521756A CN101570198B (en) | 2009-05-27 | 2009-05-27 | Synchronous braking system for suspended type digger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100521756A CN101570198B (en) | 2009-05-27 | 2009-05-27 | Synchronous braking system for suspended type digger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101570198A true CN101570198A (en) | 2009-11-04 |
| CN101570198B CN101570198B (en) | 2011-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100521756A Expired - Fee Related CN101570198B (en) | 2009-05-27 | 2009-05-27 | Synchronous braking system for suspended type digger |
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| CN (1) | CN101570198B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105692514A (en) * | 2016-04-18 | 2016-06-22 | 湖南五新隧道智能装备股份有限公司 | Safety limiting device and tunnel arch center operating vehicle |
| CN108358422A (en) * | 2017-04-08 | 2018-08-03 | 浙江威治环保科技有限公司 | Multi-chamber multistage press filtration mud dewatering method |
| CN112208555A (en) * | 2020-10-27 | 2021-01-12 | 山东能源重装集团泰装工程装备制造有限公司 | Electric monorail crane |
| CN112319511A (en) * | 2020-10-27 | 2021-02-05 | 山东能源重装集团泰装工程装备制造有限公司 | Driving device of monorail crane |
-
2009
- 2009-05-27 CN CN2009100521756A patent/CN101570198B/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105692514A (en) * | 2016-04-18 | 2016-06-22 | 湖南五新隧道智能装备股份有限公司 | Safety limiting device and tunnel arch center operating vehicle |
| CN108358422A (en) * | 2017-04-08 | 2018-08-03 | 浙江威治环保科技有限公司 | Multi-chamber multistage press filtration mud dewatering method |
| CN108358422B (en) * | 2017-04-08 | 2020-11-27 | 杭州雅洲智能科技有限公司 | Multi-cavity multi-stage filter pressing sludge dewatering method |
| CN112208555A (en) * | 2020-10-27 | 2021-01-12 | 山东能源重装集团泰装工程装备制造有限公司 | Electric monorail crane |
| CN112319511A (en) * | 2020-10-27 | 2021-02-05 | 山东能源重装集团泰装工程装备制造有限公司 | Driving device of monorail crane |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101570198B (en) | 2011-06-15 |
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Granted publication date: 20110615 Termination date: 20130527 |