CN111017774A - Explosion-proof hoist hydraulic pressure stop device - Google Patents
Explosion-proof hoist hydraulic pressure stop device Download PDFInfo
- Publication number
- CN111017774A CN111017774A CN201911043556.8A CN201911043556A CN111017774A CN 111017774 A CN111017774 A CN 111017774A CN 201911043556 A CN201911043556 A CN 201911043556A CN 111017774 A CN111017774 A CN 111017774A
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- Prior art keywords
- explosion
- hydraulic
- control valve
- worm
- hydraulic control
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/54—Safety gear
- B66D1/56—Adaptations of limit switches
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B2013/002—Modular valves, i.e. consisting of an assembly of interchangeable components
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
Abstract
The invention relates to the technical field of winch limiting, in particular to an explosion-proof winch hydraulic limiting device which comprises an installation block, a connecting shaft, a worm wheel, a fastening nut, a rolling bearing, a hydraulic control valve block, a deep groove ball bearing, a worm and a limiting disc, wherein the connecting shaft is movably connected to the middle of the top of the front face of the installation block, the worm wheel is fixedly sleeved on the outer surface of the connecting shaft, the worm wheel is located inside the installation block, the fastening nut is fixedly sleeved on one side, away from the worm wheel, of the outer surface of the connecting shaft, and the rolling bearing is fixedly connected to the. The anti-explosion winch hydraulic limiting device has the advantages that the pressure of the hydraulic system is unloaded by squeezing and opening the switch at the top of the hydraulic control valve block through the rolling bearing, so that the anti-explosion winch hydraulic limiting device stops winch action, the structure is simple, the installation and adjustment are convenient, the control stroke is large, the safety control of winch operation in the existing anti-explosion requirement can be effectively solved, safety accidents are prevented, and the safety is improved.
Description
Technical Field
The invention relates to the technical field of winch limiting, in particular to an explosion-proof winch hydraulic limiting device.
Background
The maritime transportation is a mode for transporting goods between ports of different countries and regions by using ships through maritime channels, is the most main transportation mode in international trade, at present, over 2/3 in the total amount of international trade and 90% of the total amount of import and export freight in China are all transported by using maritime, the maritime transportation is carried out by means of natural channels, the maritime transportation is not limited by roads and tracks, the trafficability is stronger, and the air route can be adjusted and changed at any time to complete transportation tasks along with changes of politics, trade environments and natural conditions.
With the rapid development of economy in China and the continuous improvement of the quality of life of people, the energy demand is continuously increased, equipment on a transport ship is required to meet certain explosion-proof level requirements during marine transportation of petroleum and natural gas, however, the traditional circuit is complex in control, high in cost and unfavorable in maintenance, and therefore an explosion-proof winch hydraulic limiting device is provided.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the explosion-proof winch hydraulic limiting device which has the advantages of convenience in installation, connection and adjustment and large control stroke, and solves the problems of complex circuit control, high cost and unfavorable maintenance in the traditional method.
(II) technical scheme
In order to achieve the technical problem, the invention provides an explosion-proof winch hydraulic limiting device which comprises an installation block, a connecting shaft, a worm wheel, a fastening nut, a rolling bearing, a hydraulic control valve block, a deep groove ball bearing, a worm and a limiting disc, wherein the connecting shaft is movably connected to the middle of the top of the front face of the installation block, the worm wheel is fixedly sleeved on the outer surface of the connecting shaft, the worm wheel is located inside the installation block, the fastening nut is fixedly sleeved on one side, away from the worm wheel, of the outer surface of the connecting shaft, the rolling bearing is fixedly connected to the bottom of the fastening nut, the hydraulic control valve block is fixedly connected to the bottom of the middle of the front face of the installation block, and the top.
The number of the deep groove ball bearings is two, the two deep groove ball bearings are embedded on two sides of the mounting block, the worm is fixedly inserted into the inner rings of the two deep groove ball bearings, and teeth of the worm are meshed with teeth of the worm wheel.
Furthermore, the number of the fastening nuts is two, and the two fastening nuts are symmetrically fixedly sleeved on the outer surface of the connecting shaft.
Furthermore, one end of the worm penetrates through the deep groove ball bearing and extends to the outer side of the mounting block, and one end of the worm is fixedly connected with a limiting disc.
Furthermore, the end, far away from the limiting disc, of the worm is fixedly sleeved with a rotating disc, and the side face of the rotating disc is in contact with one side of the mounting block.
Furthermore, the hydraulic control valve block is composed of a one-way valve, a throttle valve and an electromagnetic directional valve, and two oil pipelines are arranged inside the hydraulic control valve block.
Furthermore, the number of the hydraulic control valve blocks is two, and the two hydraulic control valve blocks are fixedly connected to the bottom of the middle part of the front face of the mounting block side by side.
Furthermore, oil inlets P1 and P2 are respectively arranged at the tops of the side faces of the two groups of hydraulic control valve blocks, and oil return ports T1 and T2 are respectively arranged at the bottoms of the side faces of the two groups of hydraulic control valve blocks.
Further, the diameter of the rotating disc is 170cm, and the thickness of the rotating disc is 10 cm.
Further, the height of the mounting block is 173cm, and the width of the mounting block is 126 cm.
(III) advantageous effects
The invention provides an explosion-proof winch hydraulic limiting device which has the following beneficial effects:
1. this explosion-proof hoist hydraulic pressure stop device, through the installation piece, the connecting axle, the worm wheel, fastening nut, antifriction bearing, the hydraulic control valve block, deep groove ball bearing, the cooperation of worm is used, install two sets of hydraulic control valve blocks in explosion-proof hoist hydraulic pressure stop device, direct erection joint is in the hoist side, rotate along with the hoist and drive the worm wheel through the worm and rotate, the worm wheel drives the epaxial fastening nut of connecting and rotates, and then drive antifriction bearing extrusion and open the switch uninstallation hydraulic system's at hydraulic control valve block top pressure, make explosion-proof hoist hydraulic pressure stop device stop the hoist action, and is rational in infrastructure simple, erection joint adjusts conveniently, the control stroke is big, can effectual solve the safety control of the operation of raising in the current explosion-proof requirement, safety accident prevents to appear, the security has been improved.
2. This explosion-proof hoist hydraulic pressure stop device, through the setting of hydraulic control valve block, the hydraulic control valve block is the check valve, the choke valve, the solenoid-operated directional valve is all integrated to be installed on the valve body, can the greatly reduced tie point on the hydraulic pressure oil circuit between valve body and the oil tank, the leakage point on the hydraulic pressure oil circuit between valve body and the oil tank has been reduced, this normal work that can not only effectively ensure explosion-proof hoist hydraulic pressure stop device, can also simplify the pipe connection of the hydraulic pressure oil circuit between valve body and the oil tank, and make the maintenance and the maintenance of the hydraulic pressure oil circuit between valve body and the oil tank become very convenient.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a left side view of the structure of the present invention;
FIG. 3 is a schematic diagram of the hydraulic control valve block of the present invention.
In the figure: 1. mounting blocks; 2. rotating the disc; 3. a connecting shaft; 4. a worm gear; 5. fastening a nut; 6. a rolling bearing; 7. a hydraulic control valve block; 8. a deep groove ball bearing; 9. a worm; 10. a limiting disc.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, an explosion-proof winch hydraulic limiting device comprises an installation block 1, a connecting shaft 3, a worm wheel 4, a fastening nut 5, a rolling bearing 6, a hydraulic control valve block 7, a deep groove ball bearing 8, a worm 9 and a limiting disc 10, wherein the connecting shaft 3 is movably connected to the middle of the top of the front surface of the installation block 1, the height of the installation block 1 is 173cm, the width of the installation block 1 is 126cm, the worm wheel 4 is fixedly sleeved on the outer surface of the connecting shaft 3, and worm wheel 4 is located the inside of installation piece 1, and fastening nut 5 is fixed cup joints the one side of keeping away from worm wheel 4 at connecting axle 3 surface, and fastening nut 5's quantity is two, and two fastening nut 5 symmetries are fixed cup joints the surface at connecting axle 3, and antifriction bearing 6 fixed connection is in fastening nut 5's bottom, and hydraulic control valve block 7 fixed connection is in the bottom of installation piece 1 positive middle part, and the top of hydraulic control valve block 7 and the lateral wall contact of antifriction bearing 6.
The number of the deep groove ball bearings 8 is two, the two deep groove ball bearings 8 are embedded at two sides of the mounting block 1, the worm 9 is fixedly inserted in the inner rings of the two deep groove ball bearings 8, the teeth of the worm 9 are meshed with the teeth of the worm wheel 4, one end of the worm 9 penetrates through the deep groove ball bearings 8 and extends to the outer side of the mounting block 1, one end of the worm 9 is fixedly connected with a limiting disc 10, one end of the worm 9, far away from the limiting disc 10, is fixedly sleeved with a rotating disc 2, the side surface of the rotating disc 2 is in contact with one side of the mounting block 1, the diameter of the rotating disc 2 is 170cm, the thickness of the rotating disc 2 is 10cm, two groups of hydraulic control valve blocks 7 are mounted in the explosion-proof winch hydraulic limiting device and are directly mounted and connected to the side surface of a winch through the mounting block 1, a connecting shaft 3, the worm wheel 4, a fastening nut 5, rotate along with the hoist and drive worm wheel 4 through worm 9 and rotate, worm wheel 4 drives fastening nut 5 on the connecting axle 3 rotatory, and then drive antifriction bearing 6 extrusion and open the pressure of the switch uninstallation hydraulic system at hydraulic control valve block 7 top, make explosion-proof hoist hydraulic pressure stop device stop the hoist action, and is rational in infrastructure simple, the erection joint adjusts conveniently, the control stroke is big, can effectually solve the safety control of the operation of raising in the current explosion-proof requirement, prevent the incident, the security has improved.
The hydraulic control valve block 7 is composed of a one-way valve, a throttle valve and an electromagnetic reversing valve, two oil conveying pipelines are arranged inside the hydraulic control valve block 7, the number of the hydraulic control valve block 7 is two, the two sets of hydraulic control valve blocks 7 are fixedly connected to the bottom of the middle of the front face of the installation block 1 side by side, oil inlets P1 and P2 are respectively arranged at the tops of the side faces of the two sets of hydraulic control valve blocks 7, and oil return ports T1 and T2 are respectively arranged at the bottoms of the side faces of the two sets of hydraulic control valve blocks 7.
The check valve and the throttle valve are sequentially connected and arranged in the oil conveying channel along the conveying direction of hydraulic oil in the conveying channel, an output oil duct is communicated with the oil conveying channel between the check valve and the throttle valve, oil ports of the output oil duct are respectively an oil inlet P1 and an oil inlet P2, the oil inlet P1 and the oil inlet P2 are respectively communicated with a hydraulic oil tank, an oil return duct is further arranged in the valve body, oil ports of the oil return duct are respectively an oil return port T1 and an oil return port T2, and the oil return port T1 and the oil return port T2 are respectively communicated with the hydraulic oil tank.
Through the setting of hydraulic control valve block 7, hydraulic control valve block 7 is with the check valve, the choke valve, the solenoid operated valve is all integrated to be installed on the valve body, can significantly reduce the tie point on the hydraulic pressure oil circuit between valve body and the oil tank, the leak source on the hydraulic pressure oil circuit between valve body and the oil tank has been reduced, this normal work that can not only effectively ensure explosion-proof hoist hydraulic pressure stop device, can also simplify the pipe connection of the hydraulic pressure oil circuit between valve body and the oil tank, and make the maintenance and the maintenance of the hydraulic pressure oil circuit between valve body and the oil tank become very convenient.
When using, install two sets of hydraulic control valve block 7 in explosion-proof hoist hydraulic stop device, direct erection joint is in the hoist side, rotate along with the hoist and drive worm wheel 4 through worm 9 and rotate, worm wheel 4 drives the fastening nut 5 rotation on the connecting axle 3, and then drive 6 extrusion of antifriction bearing and open the pressure of the switch uninstallation hydraulic system at hydraulic control valve block 7 top, make explosion-proof hoist hydraulic stop device stop the hoist action, and is rational in infrastructure simple, erection joint adjusts conveniently, the control stroke is big, can effectually solve the safety control of the operation of raising in the current explosion-proof requirement, the spacing of upper and lower stroke, safety accident prevents to appear, and the safety is improved.
It is noted that relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides an explosion-proof hoist hydraulic pressure stop device, includes installation piece (1), connecting axle (3), worm wheel (4), fastening nut (5), antifriction bearing (6), hydraulic control valve block (7), deep groove ball bearing (8), worm (9) and spacing dish (10), its characterized in that: the connecting shaft (3) is movably connected to the middle of the front top of the mounting block (1), the worm wheel (4) is fixedly sleeved on the outer surface of the connecting shaft (3), the worm wheel (4) is located inside the mounting block (1), the fastening nut (5) is fixedly sleeved on one side, away from the worm wheel (4), of the outer surface of the connecting shaft (3), the rolling bearing (6) is fixedly connected to the bottom of the fastening nut (5), the hydraulic control valve block (7) is fixedly connected to the bottom of the front middle of the mounting block (1), and the top of the hydraulic control valve block (7) is in contact with the outer side wall of the rolling bearing (6);
the number of the deep groove ball bearings (8) is two, the two deep groove ball bearings (8) are embedded on two sides of the mounting block (1), the worm (9) is fixedly inserted into the inner rings of the two deep groove ball bearings (8), and teeth of the worm (9) are meshed with teeth of the worm wheel (4).
2. The hydraulic limiting device for the explosion-proof winch according to claim 1, wherein: the number of the fastening nuts (5) is two, and the two fastening nuts (5) are symmetrically fixedly sleeved on the outer surface of the connecting shaft (3).
3. The hydraulic limiting device for the explosion-proof winch according to claim 1, wherein: one end of the worm (9) penetrates through the deep groove ball bearing (8) and extends to the outer side of the mounting block (1), and one end of the worm (9) is fixedly connected with a limiting disc (10).
4. The hydraulic limiting device for the explosion-proof winch according to claim 1, wherein: the end, far away from the limiting disc (10), of the worm (9) is fixedly sleeved with the rotating disc (2), and the side face of the rotating disc (2) is in contact with one side of the mounting block (1).
5. The hydraulic limiting device for the explosion-proof winch according to claim 1, wherein: the hydraulic control valve block (7) is composed of a one-way valve, a throttle valve and an electromagnetic directional valve, and two oil conveying pipelines are arranged inside the hydraulic control valve block (7).
6. The hydraulic limiting device for the explosion-proof winch according to claim 1, wherein: the hydraulic control valve blocks (7) are arranged in two groups, and the hydraulic control valve blocks (7) are fixedly connected to the bottom of the middle part of the front surface of the mounting block (1) side by side.
7. The hydraulic limiting device for the explosion-proof winch according to claim 1, wherein: oil inlets P1 and P2 are respectively arranged at the tops of the side faces of the two groups of hydraulic control valve blocks (7), and oil return ports T1 and T2 are respectively arranged at the bottoms of the side faces of the two groups of hydraulic control valve blocks (7).
8. The hydraulic limiting device for the explosion-proof winch according to claim 4, wherein: the diameter of the rotating disc (2) is 170cm, and the thickness of the rotating disc (2) is 10 cm.
9. The hydraulic limiting device for the explosion-proof winch according to claim 1, wherein: the height of the mounting block (1) is 173cm, and the width of the mounting block (1) is 126 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911043556.8A CN111017774A (en) | 2019-10-30 | 2019-10-30 | Explosion-proof hoist hydraulic pressure stop device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911043556.8A CN111017774A (en) | 2019-10-30 | 2019-10-30 | Explosion-proof hoist hydraulic pressure stop device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111017774A true CN111017774A (en) | 2020-04-17 |
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ID=70200731
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911043556.8A Pending CN111017774A (en) | 2019-10-30 | 2019-10-30 | Explosion-proof hoist hydraulic pressure stop device |
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| Country | Link |
|---|---|
| CN (1) | CN111017774A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3960362A (en) * | 1974-10-08 | 1976-06-01 | Eaton Corporation | Hoist control with limit switches |
| CN201458633U (en) * | 2009-05-10 | 2010-05-12 | 太原钢铁(集团)有限公司 | Lifting limit device of lime delivery wagon |
| CN203095481U (en) * | 2012-11-27 | 2013-07-31 | 福建泉工股份有限公司 | Adjustable locating device of hopper truck |
| CN206051404U (en) * | 2016-08-31 | 2017-03-29 | 江苏博林机械制造有限公司 | A kind of hydraulic wireline winch stopping means |
-
2019
- 2019-10-30 CN CN201911043556.8A patent/CN111017774A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3960362A (en) * | 1974-10-08 | 1976-06-01 | Eaton Corporation | Hoist control with limit switches |
| CN201458633U (en) * | 2009-05-10 | 2010-05-12 | 太原钢铁(集团)有限公司 | Lifting limit device of lime delivery wagon |
| CN203095481U (en) * | 2012-11-27 | 2013-07-31 | 福建泉工股份有限公司 | Adjustable locating device of hopper truck |
| CN206051404U (en) * | 2016-08-31 | 2017-03-29 | 江苏博林机械制造有限公司 | A kind of hydraulic wireline winch stopping means |
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Application publication date: 20200417 |