CN215326656U - Hydraulic valve group with follow-up function for hydraulic winch - Google Patents
Hydraulic valve group with follow-up function for hydraulic winch Download PDFInfo
- Publication number
- CN215326656U CN215326656U CN202120504012.3U CN202120504012U CN215326656U CN 215326656 U CN215326656 U CN 215326656U CN 202120504012 U CN202120504012 U CN 202120504012U CN 215326656 U CN215326656 U CN 215326656U
- Authority
- CN
- China
- Prior art keywords
- hydraulic
- brake
- braking
- winch
- rod
- 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.)
- Active
Links
Images
Landscapes
- Braking Arrangements (AREA)
Abstract
The application discloses a hydraulic valve group with a follow-up function for a hydraulic winch, which comprises a winch rack, wherein a braking mechanism, a winding drum and a braking belt tightly held on the winding drum are arranged on the winch rack; brake mechanism includes pneumatic cylinder, hydraulic stem and braking piece, and the one end fixed connection of brake area is in the winch frame, and the other end is connected with the hydraulic stem, and the hydraulic stem links with the braking piece, and the pneumatic cylinder drive hydraulic stem shrink makes the brake area hold the reel tightly, drives the braking piece and moves toward the reel surface simultaneously for braking piece and reel surface support tight fit. This application combines to brake the reel through two kinds of different braking modes, reduces the loss of brake band in the use, improves life, strengthens the braking effect simultaneously.
Description
Technical Field
The application relates to the technical field of hydraulic winch braking, in particular to a hydraulic valve bank with a follow-up function for a hydraulic winch.
Background
The brake device is one of the important parts of the winch, and the belt brake is one of the brake devices widely applied in the winch. The traditional belt brake mainly controls the braking force of the belt brake by operating a brake handle by a worker, a pneumatic or hydraulic mechanism is used as an assistant, the braking force is mainly adjusted by the operator through visual inspection of the winch by means of sensory experience, automatic control is difficult to realize, and misoperation is easy to occur.
When the winch needs to be braked, the operator manually locks the brake handle or brakes the winch through a driving mechanism arranged on the brake mechanism. In the prior art, the installation mode of brake band often is equipped with a brake band for a reel, but along with the increase of operating time, long-time high strength load, the brake band is constantly worn, if the staff does not pay attention to maintenance, then can lead to the fracture along with the reduction of the intensity of brake band, and if at this moment in the operation, the brake band fracture can bring serious harm, threatens the personal safety even.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model aims to provide a hydraulic valve group with a follow-up function for a hydraulic winch, wherein a winding drum is braked by combining two different braking modes, so that the loss of a brake band in the use process is reduced, the service life is prolonged, and the braking effect is enhanced.
In order to achieve the above purpose, the application provides a hydraulic valve group with a follow-up function for a hydraulic winch, which comprises a winch frame, wherein a braking mechanism, a winding drum and a brake belt tightly held on the winding drum are arranged on the winch frame;
the braking mechanism comprises a hydraulic cylinder, a hydraulic rod and the braking piece, one end of the braking strip is fixedly connected to the winch frame, the other end of the braking strip is connected with the hydraulic rod, the hydraulic rod is linked with the braking piece, the hydraulic cylinder drives the hydraulic rod to contract so that the braking strip can be tightly held on the winding drum, and meanwhile, the braking piece is driven to move towards the surface of the winding drum, so that the braking piece is in tight fit with the surface of the winding drum.
Compared with the prior art, the beneficial effect of this application lies in: have smallly through the pneumatic cylinder, steady motion and accord with the advantage of the power of high strength, the mode of driving the braking through pneumatic cylinder and hydraulic stem area braking can reach the purpose of stable braking, and hydraulic stem and braking piece linkage, it holds the reel braking tightly at the hydraulic stem area of driving the braking and together, can drive braking piece and reel surface and support the cooperation tightly, provide another brake force, make the braking area need not hold very fast can accomplish the braking action, reduce the wearing and tearing of braking area, the life of improvement braking area, and the braking area is restricted the reel rotation with the braking force direction of two differences of mode accessible that the braking area combined together with the braking piece, can obtain better braking effect, and the security performance is improved.
As an improvement, the brake mechanism further comprises a brake rod, a rack and a gear, the rack is arranged on the hydraulic rod, the gear is arranged at one end of the brake rod, the brake piece is arranged at the other end of the brake rod, the gear is always meshed with the rack, through the improvement, the brake rod is linked to drive the brake piece to be tightly matched with the surface of the winding drum in a contracting movement mode through the hydraulic rod, the braking force of the brake piece can change along with the tightening degree of the brake band, when the tightening degree of the brake band is higher, the smaller the gap between the brake pad and the surface of the winding drum is, the maximum braking force of the brake pad can be ensured, the braking force of the brake pad and the braking belt can be maintained at a balanced level, the aggravation of abrasion caused by the overlarge braking force of one part is avoided, the using time of the brake pad is further prolonged, frequent replacement is avoided, and the cost is reduced.
According to the improvement, the brake band does not completely cover the winding drum, and the area of the brake piece, which is abutted against the surface of the winding drum, is staggered with the area of the brake band covering the winding drum.
As an improvement, the brake rod is provided with a bending part, so that the brake rod is V-shaped, the V-shaped brake rod can improve the bending resistance effect of the brake rod, the brake rod is not easy to bend and break, the brake rod can drive the brake piece to rotate, the brake piece is more attached to the winding drum in a butting fit angle, the outer surface of the brake piece can be completely attached to the outer surface of the winding drum, the abrasion effect of the brake piece can be reduced, and meanwhile, the brake effect can be enhanced.
As an improvement, the hydraulic cylinder is fixed on the winch rack, the hydraulic cylinder and the hydraulic rod are horizontally arranged, and through the improvement, the hydraulic cylinder and the hydraulic rod are horizontally arranged, so that the installation is convenient, the installation is very stable, and the winch cannot easily shake.
Drawings
FIG. 1 is a side view of the overall structure of the brake band of the present application in a relaxed condition and with the brake pad separated from the drum;
figure 2 is a side view of the brake band of the present application in a tightened condition about the drum and with the brake pads in abutting engagement with the drum.
In the figure: 1. a winch frame; 2. a reel; 3. a brake band; 4. a hydraulic cylinder; 41. a hydraulic lever; 411. a rack; 42. a gear; 43. a brake lever; 44. a brake pad.
Detailed Description
The present application is further described below with reference to specific embodiments, and it should be noted that, without conflict, any combination between the embodiments or technical features described below may form a new embodiment.
In the description of the present application, it should be noted that, for the orientation words, such as the terms "central", "upper", "lower", "front", "back", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation and positional relationship based on the orientation or positional relationship shown in the drawings, are only for convenience of describing the present application and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present application.
It is noted that the terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
The terms "comprises," "comprising," and "having," and any variations thereof, in the description and claims of this application, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The application provides a hydraulic valve group with a follow-up function for a hydraulic winch, which comprises a winch frame 1, wherein a braking mechanism, a winding drum 2 and a brake belt 3 tightly held on the winding drum 2 are arranged on the winch frame 1, as shown in figures 1 and 2;
the brake mechanism comprises a hydraulic cylinder 4, a hydraulic rod 41 and a brake block 44, one end of the brake band 3 is fixedly connected to the winch frame 1, the other end of the brake band is connected with the hydraulic rod 41, the hydraulic rod 41 is linked with the brake block 44, the hydraulic cylinder 4 drives the hydraulic rod 41 to contract so that the brake band 3 tightly holds the winding drum 2, and meanwhile the brake block 44 is linked to move towards the surface of the winding drum 2 so that the brake block 44 is tightly matched with the surface of the winding drum 2 in a propping manner.
Specifically, the brake mechanism further comprises a brake lever 43, a rack 411 and a gear 42, wherein the gear 42 is arranged at one end of the brake lever 43, the brake pad 44 is arranged at the other end of the brake lever 43, the rack 411 is arranged on the hydraulic rod 41, and the gear 42 and the rack 411 are always meshed.
Specifically, the brake tape 3 does not completely cover the drum 2, the brake tape 3 covers three-quarters of the area of the drum 2, the area of the brake pad 44 in contact with the surface of the drum 2 is offset from the area of the brake tape 3 covering the drum 2, and the area of the brake pad 44 in contact with the surface of the drum 2 is located on the lower right side of the drum 2.
Specifically, as shown in fig. 1 and 2, the brake lever 43 has a bent portion, so that the brake lever 43 is V-shaped, and the end of the brake lever 43 is bent upward.
Specifically, the hydraulic cylinder 4 is fixed on the winch frame 1, and the hydraulic cylinder 4 and the hydraulic rod 41 are horizontally arranged.
The working principle of the application is as follows: as shown in fig. 1, under the condition that the drum 2 normally rotates, the brake mechanism is not started, when the brake mechanism needs to be started, the hydraulic cylinder 4 is started, the hydraulic cylinder 4 drives the hydraulic rod 41 to contract, because one end of the brake band 3 is fixedly connected to the winch frame 1, and the other end of the brake band is fixedly connected to the hydraulic rod 41, the hydraulic rod 41 contracts to enable the brake band 3 to gradually hold the drum 2, and meanwhile, the hydraulic rod 41 drives the rack 411 to move rightwards, so that the gear 42 drives the brake lever 43 to rotate anticlockwise, so that the gap between the brake disc 44 and the surface of the drum 2 is reduced, and the brake disc 44 is in abutting fit with the drum 2, so as to prevent the drum 2 from rotating.
The foregoing has described the general principles, essential features, and advantages of the application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, which are merely illustrative of the principles of the application, but that various changes and modifications may be made without departing from the spirit and scope of the application, and these changes and modifications are intended to be within the scope of the application as claimed. The scope of protection claimed by this application is defined by the following claims and their equivalents.
Claims (5)
1. The utility model provides a be used in hydraulic pressure valves of hydraulic winch upper band follow-up function which characterized in that: the winch comprises a winch frame, wherein a braking mechanism, a winding drum and a braking belt tightly held on the winding drum are arranged on the winch frame;
the braking mechanism comprises a hydraulic cylinder, a hydraulic rod and a braking piece, one end of the braking strip is fixedly connected to the winch rack, the other end of the braking strip is connected with the hydraulic rod, the hydraulic rod is linked with the braking piece, the hydraulic cylinder drives the hydraulic rod to contract so that the braking strip can be tightly held on the winding drum, and meanwhile, the braking piece is driven to move towards the surface of the winding drum, so that the braking piece is in tight fit with the surface of the winding drum.
2. A hydraulic valve group with follow-up function for hydraulic winch according to claim 1, characterized in that: the brake mechanism further comprises a brake rod, a rack and a gear, the rack is arranged on the hydraulic rod, the gear is arranged at one end of the brake rod, the brake piece is arranged at the other end of the brake rod, and the gear is always meshed with the rack.
3. A hydraulic valve group with follow-up function for hydraulic winch according to claim 2, characterized in that: the brake band does not completely cover the drum, and the area of the brake pad abutting the surface of the drum is offset from the area of the brake band covering the drum.
4. A hydraulic valve group with follow-up function for hydraulic winch according to claim 2, characterized in that: the brake rod is provided with a bent part, so that the brake rod is V-shaped.
5. A hydraulic valve group with follow-up function for hydraulic winch according to claim 1, characterized in that: the hydraulic cylinder is fixed on the winch rack, and the hydraulic cylinder and the hydraulic rod are horizontally arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120504012.3U CN215326656U (en) | 2021-03-09 | 2021-03-09 | Hydraulic valve group with follow-up function for hydraulic winch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120504012.3U CN215326656U (en) | 2021-03-09 | 2021-03-09 | Hydraulic valve group with follow-up function for hydraulic winch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215326656U true CN215326656U (en) | 2021-12-28 |
Family
ID=79583083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120504012.3U Active CN215326656U (en) | 2021-03-09 | 2021-03-09 | Hydraulic valve group with follow-up function for hydraulic winch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215326656U (en) |
-
2021
- 2021-03-09 CN CN202120504012.3U patent/CN215326656U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2013004588A1 (en) | Endless cable winch | |
| CN215326656U (en) | Hydraulic valve group with follow-up function for hydraulic winch | |
| CN201647043U (en) | Brake device | |
| CN113991539A (en) | Double-drive wire tightener | |
| CN106151313A (en) | Belt brake | |
| CN201634328U (en) | Anti-dropping safety device for tower crane | |
| CN103935861B (en) | Pneumatic type limiter of speed safety tongs device | |
| CN219792308U (en) | Winding engine holding clutch mechanism | |
| CN201176368Y (en) | Anti-braking safety device for nacelle of elevator | |
| JP2009162340A (en) | Brake torque receiving mechanism using vibration isolating rubber of disk brake | |
| CN110386567B (en) | Brake device for electric hoist | |
| CN102101626A (en) | Lifting device for chain press type hanging basket | |
| CN210053950U (en) | Driving device of hedge trimmer and hedge trimmer | |
| CN204873700U (en) | Elevator emergency brake structure | |
| CN207658591U (en) | A kind of frequency conversion cement transportation vehicle | |
| CN210087867U (en) | Novel drum-type emergency brake | |
| CN210313292U (en) | Brake device for electric hoist | |
| CN205873497U (en) | Cable admission machine tire actuating mechanism | |
| CN217264086U (en) | Elevator brake fault monitoring device | |
| CN202098954U (en) | Lifting device used for large nacelle | |
| KR200394679Y1 (en) | Apparatus for braking of elevator rope | |
| CN206664838U (en) | Split double-acting caliper | |
| CN219035382U (en) | Kite wheel brake device | |
| CN106744070B (en) | Avoid rubbing the torque cable drum of steel cable termina at cylinder | |
| CN110565421A (en) | Stranding machine housing protective door opening device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |