CN211418655U

CN211418655U - Check moment balancing device for check device

Info

Publication number: CN211418655U
Application number: CN201921979949.5U
Authority: CN
Inventors: 欧阳春辉; 杨浩浩; 周晓闻
Original assignee: Jingji Technology Co ltd
Current assignee: Jingji Technology Co ltd
Priority date: 2019-11-16
Filing date: 2019-11-16
Publication date: 2020-09-04
Anticipated expiration: 2029-11-16

Abstract

The utility model discloses a backstop torque balancing device for a backstop, which belongs to the technical field of backstop accessories and comprises a backstop and a balance oil cylinder, wherein a balance oil cylinder is arranged on the backstop stress side of the backstop, an oil plug is matched and connected in the balance 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 balance oil cylinders, the top of the balance oil cylinder is detachably connected with an upper cover of the oil cylinder, a reset spring is arranged in the balance oil cylinder, the problem that overload is caused by unbalanced stress of a plurality of backstops is solved, the pressure of the balance oil cylinder is derived from the backstop force of the backstop, the pressure supply of an oil station is not needed, the cost is relatively low, the installation space of a real device is small, the installation position space of equipment is not needed to be expanded, the total power of the required model selection of a host can be designed more, no electric element exists, and no operation action is generated in the use process.

Description

Check moment balancing device for check device

Technical Field

The utility model relates to a backstop accessory technical field especially relates to a backstop is with contrary moment balancing unit that ends.

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.

SUMMERY OF THE UTILITY MODEL

The utility model provides a contrary moment balancing unit that ends for backstop aims at having filled the inconvenience that many backstop operation in-process unbalanced powers brought, and has reduced the backstop and has damaged the probability.

The utility model provides a specific technical scheme as follows:

the utility model provides a pair of contrary moment balancing unit that ends for backstop, including backstop and balanced hydro-cylinder, the balance hydro-cylinder is installed to the contrary atress side that ends of backstop, the inside cooperation of balanced hydro-cylinder is connected with the oil plug, the oil plug top is connected to the backstop bottom, can dismantle between the balanced hydro-cylinder and be connected with connection oil pipe, the balance hydro-cylinder top can be dismantled and be connected with the hydro-cylinder upper cover, balance hydro-cylinder internally mounted has reset spring, the reset spring bottom is connected to balanced hydro-cylinder inside wall bottom, the reset spring bottom is connected to the oil plug bottom, balance hydro-cylinder internally mounted has the combination slip oil blanket.

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 utility model has the advantages as follows:

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 described 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 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 non-return torque balancing device for a non-return 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 obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

A check torque balancing device for a check device 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 fig. 2, the embodiment of the utility model provides a pair of contrary moment balancing unit that ends for backstop, including backstop 1 and balanced hydro-cylinder 2, balance hydro-cylinder 2 is installed to the contrary atress side that ends of

backstop

1, 2 inside cooperations of balanced hydro-cylinder are connected with oil plug 201, oil plug 201 top is connected to 1 bottom of backstop, can dismantle between balanced hydro-cylinder 2 and be connected with

connection oil pipe

3, 2 tops of balanced hydro-cylinder can be dismantled and be connected with hydro-cylinder

upper cover

5, 2 internally mounted of balanced hydro-cylinder have reset spring 6, 6 bottoms of reset spring are connected to 2 inside wall bottoms of balanced hydro-cylinder, 6 bottoms of reset spring are connected to oil plug 201 bottoms, 2 internally mounted of balanced hydro-cylinder have combination slip oil blanket 7.

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.

It should be noted that, the utility model relates to a contrary moment balancing unit that ends for backstop, including backstop 1, balanced hydro-cylinder 2, oil plug 201, connection oil pipe 3, oiling non return joint 301, hydro-cylinder bottom plate 4, hydro-cylinder upper cover 5, reset spring 6, combination slip oil blanket 7, flexible dust cover 8, the part is the part that general standard spare or technical field personnel know, and its structure and principle all are that this technical staff all can learn through technical manual or learn through conventional experimental method.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

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), and the telescopic dust cover (8) is covered on the outer side wall of the oil plug (201).