CN111005952A - Check moment balancing device for check device - Google Patents
Check moment balancing device for check device Download PDFInfo
- Publication number
- CN111005952A CN111005952A CN201911123013.7A CN201911123013A CN111005952A CN 111005952 A CN111005952 A CN 111005952A CN 201911123013 A CN201911123013 A CN 201911123013A CN 111005952 A CN111005952 A CN 111005952A
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- CN
- China
- Prior art keywords
- backstop
- oil
- cylinder
- oil cylinder
- balancing
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- 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.)
- Pending
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Classifications
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- 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
- F16D41/00—Freewheels or freewheel clutches
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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
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
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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
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1428—Cylinders
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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
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1447—Pistons; Piston to piston rod assemblies
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses a backstop torque balancing device for a backstop, which belongs to the technical field of backstop accessories and comprises a backstop and balancing oil cylinders, wherein a balancing oil cylinder is arranged on the backstop force bearing side of the backstop, an oil plug is matched and connected in the balancing oil cylinder, the top of the oil plug is connected to the bottom of the backstop, a connecting oil pipe is detachably connected between the balancing oil cylinders, the top of the balancing oil cylinder is detachably connected with an upper oil cylinder cover, and a return spring is arranged in the balancing oil cylinder, so that the problem that overload is caused by unbalanced stress of a plurality of backstops is solved, the pressure of the balancing oil cylinder is derived from the backstop force of the backstop, an oil station is not needed for supplying pressure, the cost is relatively low, the mounting space of equipment is small, the additional expansion of the mounting position space of equipment is not needed, the total power required by a main machine can be designed more accurately when the plurality, no electric element exists, and no operation action is generated in the use process.
Description
Technical Field
The invention relates to the technical field of backstop accessories, in particular to a backstop torque balancing device for a backstop.
Background
The backstop is mainly used for backstop protection of large-scale inclined belt conveyors, bucket elevators, scraper conveyors and the like with backstop requirements, is arranged at a position capable of bearing force such as an equipment roller extension shaft, a speed reducer output shaft, a direct-drive motor shaft and the like, can effectively prevent a retrograde motion or gliding accident caused by gravity, is still in an unloading strong state when in a backstop strong state, cannot influence the replacement and maintenance of driving parts such as motors, speed reducers and the like, and has reliable safety protection for preventing the retrograde motion accident caused by the damage of a driving system.
The existing backstop has the following defects 1 in the use process, under the strong condition of rapid industrial development at present, a large conveyor is widely applied, main equipment generally adopts a multi-drive design due to the reasons of limited equipment installation space, long-distance conveying and the like, the multi-drive design simultaneously needs to adopt a plurality of backstops for design and installation, the backstops belong to mechanical products, when materials slide down or equipment retrograde force is transmitted to the backstops, the mechanical transmission parts or the contraction tension of a belt are needed, so that a plurality of backstops cannot simultaneously bear force, certain difficulty is caused to the selection and application of the backstops, the inconvenience caused by unbalanced power in the operation process of the plurality of backstops is increased, and the damage probability of the backstops is reduced.
Disclosure of Invention
The invention provides a backstop torque balancing device for backstops, which aims to solve the inconvenience caused by unbalanced power in the operation process of a plurality of backstops and reduce the damage probability of the backstops.
The specific technical scheme provided by the invention is as follows:
the invention provides a backstop torque balancing device for a backstop, which comprises a backstop and a balance oil cylinder, wherein a balance oil cylinder is arranged on the backstop force bearing side of the backstop, an oil plug is connected inside the balance oil cylinder in a matching manner, the top of the oil plug is connected to the bottom of the backstop, a connecting oil pipe is detachably connected between the balance oil cylinders, an upper oil cylinder cover is detachably connected to the top of the balance oil cylinder, a return spring is arranged inside the balance oil cylinder, the bottom of the return spring is connected to the bottom of the inner side wall of the balance oil cylinder, the bottom of the return spring is connected to the bottom of the oil plug, and a combined sliding oil seal is arranged.
Optionally, one side of the surface of the connecting oil pipe is connected with an oil injection check joint in a matching manner.
Optionally, the bottom of the balance oil cylinder is fixedly connected with an oil cylinder bottom plate.
Optionally, the top of the balance oil cylinder is movably connected with a telescopic dust cover, and the telescopic dust cover is covered on the outer side wall of the oil plug.
The invention has the following beneficial effects:
1. the balance oil cylinders are additionally arranged under the non-return force arm of the non-return device, the balance oil cylinders are filled with hydraulic oil, the stress of a plurality of balance oil cylinders is basically consistent when the pressure is consistent, the pressure of the balance oil cylinders is from the non-return force, oil passages of the balance oil cylinders arranged on the plurality of non-return devices are communicated through connecting oil pipes, when the pressure of one non-return device is higher than that of the other non-return device, the clearance is eliminated by utilizing the expansion of the balance oil cylinders to achieve the same pressure, after the non-return force of the non-return device is relieved, the balance oil cylinders recover the expansion of an oil plug to the original position by utilizing an internal reset spring to achieve the expansion amount required by the next use, the problems that the overload is caused by the unbalanced stress of the plurality of non-return devices, the pressure of the arranged balance oil cylinders is from the non-return force of the non-return device, the oil station pressure supply is not needed, the cost is relatively low, the actual installation space is small, the maintenance is simple, no electric element exists, and no operation action exists in the use process.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic view of an installation and application structure of a check torque balancing device for a check device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a balance cylinder of a check torque balancing device for a check device according to an embodiment of the present invention.
In the figure: 1. a backstop; 2. a balancing oil cylinder; 201. an oil plug; 3. connecting an oil pipe; 301. an oil injection non-return joint; 4. a cylinder bottom plate; 5. an oil cylinder upper cover; 6. a return spring; 7. combining sliding oil seals; 8. a telescopic dust cover.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, 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.
A check torque balancing device for a check according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 2.
Referring to fig. 1 and 2, the non-return torque balancing device for the non-return device provided by the embodiment of the invention comprises a non-return device 1 and a balance oil cylinder 2, wherein a balance oil cylinder 2 is installed on a non-return force-bearing side of the non-return device 1, an oil plug 201 is connected inside the balance oil cylinder 2 in a matching manner, the top of the oil plug 201 is connected to the bottom of the non-return device 1, a connecting oil pipe 3 is detachably connected between the balance oil cylinders 2, an oil cylinder upper cover 5 is detachably connected to the top of the balance oil cylinder 2, a return spring 6 is installed inside the balance oil cylinder 2, the bottom of the return spring 6 is connected to the bottom of the inner side wall of the balance oil cylinder 2, the bottom of the return spring 6 is connected to the bottom of the oil plug.
Illustratively, a balance oil cylinder 2 is additionally arranged below a non-return force arm of a non-return device 1, hydraulic oil is filled in the balance oil cylinder 2, the balance oil cylinders 2 are basically stressed in a consistent manner when the pressures of the balance oil cylinders 2 are consistent, the pressures of the balance oil cylinders 2 come from non-return forces, oil passages of the balance oil cylinders 2 arranged in the non-return devices 1 are communicated through a connecting oil pipe 3, when the pressure of one non-return device 1 is higher than that of the other non-return device, gaps are eliminated through the expansion of the balance oil cylinder 2 to achieve the same pressure, and after the non-return forces of the non-return devices 1 are relieved, the balance oil cylinders 2 recover the expansion of an oil plug 201 to an original position through an internal return spring 6 to achieve the expansion amount.
Referring to fig. 1, an oil injection check joint 301 is fittingly coupled to one side of the surface of the joint oil pipe 3.
Illustratively, hydraulic oil may be injected into the interior of the joint tubing 3 and the balance cylinder 2 through an oil injection check joint 301 installed on the surface of the joint tubing 3.
Referring to fig. 1 and 2, a cylinder bottom plate 4 is fixedly connected to the bottom of the balance cylinder 2.
Illustratively, an oil cylinder bottom plate 4 is fixed at the bottom of the balance oil cylinder 2, and the balance oil cylinder 2 is connected with a stress base of the backstop 1 through the oil cylinder bottom plate 4.
Referring to fig. 1 and 2, a telescopic dust cover 8 is movably connected to the top of the balance cylinder 2, and the telescopic dust cover 8 covers the outer side wall of the oil plug 201.
By way of example, the telescopic dust cover 8 coated on the outer side wall of the oil plug 201 can stretch along with the expansion of the oil plug 201, can play a dustproof role, and can prevent dust and impurities from falling into the balance oil cylinder 2 from the connection position of the oil plug 201 and the balance oil cylinder 2.
When in use, the bottom of the balance oil cylinder 2 is fixed with an oil cylinder bottom plate 4, the balance oil cylinder 2 is connected with a stress base of the backstop 1 through the oil cylinder bottom plate 4, the inside of the balance oil cylinder 2 is movably connected with an oil plug 201, the top of the oil plug 201 is laterally connected with the backstop stress of the backstop 1, a connecting oil pipe 3 is connected between the balance oil cylinders 2, hydraulic oil can be injected into the connecting oil pipe 3 and the balance oil cylinder 2 through an oil injection non-return joint 301 arranged on the surface of the connecting oil pipe 3, the balance oil cylinder 2 is filled with hydraulic oil, the stress of a plurality of balance oil cylinders 2 is basically consistent when the pressure is consistent, the pressure of the balance oil cylinders 2 is from the backstop force of the backstop 1, because oil paths of the balance oil cylinders 2 arranged on the plurality of the backstops 1 are communicated through the connecting oil pipe 3, when the pressure of one of the backstop 1 is greater than that of the other backstop, the clearance is, when the backstop force of the backstop 1 is relieved, the balance oil cylinder 2 recovers the expansion of the oil plug 201 to the original position by using the internal return spring 6, the expansion amount required by the next use is achieved, the problem that overload is caused due to unbalanced stress of a plurality of backstops 1 is solved, the pressure of the balance oil cylinder 2 is generated by the backstop force of the backstop 1 when the plurality of backstops 1 are installed, oil station pressure supply is not needed, the cost is relatively low, the real installation space is small, and additional expansion of the installation position space of equipment is not needed is solved, the total power required by a host machine can be more accurately designed when the plurality of backstops 1 can be balanced in stress, the maintenance is simple, no electric device element is used, no operation action is generated in the use process, the oil cylinder upper cover 5 is fixed at the top of the balance oil cylinder 2, the combined sliding oil seal 7 in the balance oil cylinder 2 can be matched with the oil cylinder upper cover 5 to play a sealing role on the hydraulic, can follow the flexible and flexible of oil plug 201 to can play dustproof effect, avoid dust impurity etc. to fall into the inside of balancing cylinder 2 from the junction of oil plug 201 and balancing cylinder 2, through mutually supporting of many balancing cylinders 2, filled the inconvenience that 1 operation in-process power unbalance of many backstops brought, and reduced backstop 1 and damaged the probability.
The invention relates to a backstop torque balancing device for a backstop, which comprises a backstop 1, a balancing oil cylinder 2, an oil plug 201, a connecting oil pipe 3, an oil injection backstop joint 301, an oil cylinder bottom plate 4, an oil cylinder upper cover 5, a return spring 6, a combined sliding oil seal 7 and a telescopic dust cover 8, wherein the components are all universal standard components or components known by the technical personnel in the field, and the structure and the principle of the backstop torque balancing device can be known by the technical manual or conventional experimental methods.
It will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present invention without departing from the spirit or scope of the embodiments of the invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to encompass such modifications and variations.
Claims (5)
1. The utility model provides a contrary moment balancing unit that ends for backstop, includes backstop (1) and balanced hydro-cylinder (2), its characterized in that, balanced hydro-cylinder (2) are installed to the contrary atress side that ends of backstop (1), balanced hydro-cylinder (2) inside cooperation is connected with oil plug (201), oil plug (201) top is connected to backstop (1) bottom, can dismantle between balanced hydro-cylinder (2) and be connected with coupling oil pipe (3), balanced hydro-cylinder (2) top can be dismantled and be connected with hydro-cylinder upper cover (5), balanced hydro-cylinder (2) internally mounted has reset spring (6), reset spring (6) bottom is connected to balanced hydro-cylinder (2) inside wall bottom, reset spring (6) bottom is connected to oil plug (201) bottom, balanced hydro-cylinder (2) internally mounted has combination slip oil blanket (7).
2. The backstop torque balancing device for a backstop according to claim 1, characterized in that an oil-filled backstop joint (301) is fittingly connected to one side of the surface of the connecting oil pipe (3).
3. The backstop torque balancing device for a backstop according to claim 1, characterized in that a cylinder bottom plate (4) is fixedly connected to the bottom of the balancing cylinder (2).
4. The backstop torque balancing device for the backstop according to claim 1, characterized in that a telescopic dust cover (8) is movably connected to the top of the balancing cylinder (2).
5. The backstop torque balancing device for a backstop according to claim 4, characterized in that the telescopic dust cover (8) covers the outer side wall of the oil plug (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911123013.7A CN111005952A (en) | 2019-11-16 | 2019-11-16 | Check moment balancing device for check device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911123013.7A CN111005952A (en) | 2019-11-16 | 2019-11-16 | Check moment balancing device for check device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111005952A true CN111005952A (en) | 2020-04-14 |
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ID=70112826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911123013.7A Pending CN111005952A (en) | 2019-11-16 | 2019-11-16 | Check moment balancing device for check device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111005952A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN88211471U (en) * | 1988-03-02 | 1988-12-28 | 上海起重运输机械厂 | Conveyer with non-return device and torque balance device |
| DE4432867A1 (en) * | 1994-09-15 | 1996-03-21 | Kuhnke Gmbh Kg H | Pneumatic control cylinder with pressure=bored piston |
| CN105114371A (en) * | 2015-09-06 | 2015-12-02 | 宁夏元辰科技有限公司 | Passive hydraulic uniform loading apparatus |
| US20160290505A1 (en) * | 2016-06-14 | 2016-10-06 | Caterpillar Inc. | Cylinder-piston assembly |
| CN206203682U (en) * | 2016-11-22 | 2017-05-31 | 北京双泰气动设备有限公司 | pneumatic balancer |
| CN209228753U (en) * | 2018-09-05 | 2019-08-09 | 广州嘉泰液压机电有限公司 | A kind of grease pressure balance control hydraulic cylinder |
| CN211418655U (en) * | 2019-11-16 | 2020-09-04 | 精基科技有限公司 | Check moment balancing device for check device |
-
2019
- 2019-11-16 CN CN201911123013.7A patent/CN111005952A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN88211471U (en) * | 1988-03-02 | 1988-12-28 | 上海起重运输机械厂 | Conveyer with non-return device and torque balance device |
| DE4432867A1 (en) * | 1994-09-15 | 1996-03-21 | Kuhnke Gmbh Kg H | Pneumatic control cylinder with pressure=bored piston |
| CN105114371A (en) * | 2015-09-06 | 2015-12-02 | 宁夏元辰科技有限公司 | Passive hydraulic uniform loading apparatus |
| US20160290505A1 (en) * | 2016-06-14 | 2016-10-06 | Caterpillar Inc. | Cylinder-piston assembly |
| CN206203682U (en) * | 2016-11-22 | 2017-05-31 | 北京双泰气动设备有限公司 | pneumatic balancer |
| CN209228753U (en) * | 2018-09-05 | 2019-08-09 | 广州嘉泰液压机电有限公司 | A kind of grease pressure balance control hydraulic cylinder |
| CN211418655U (en) * | 2019-11-16 | 2020-09-04 | 精基科技有限公司 | Check moment balancing device for check device |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20200414 |