An intelligent fully automatic chain tightening device

Abstract

The present invention discloses an intelligent fully automatic chain tightening device, comprising a motor brake assembly and a reduction box, wherein the reduction box comprises a housing, wherein a driving gear and a transmission gear meshing with each other are rotatably connected in the housing, wherein the driving gear is located above the transmission gear, wherein the driving gear is connected to the output shaft of the motor brake assembly, wherein a bottom plate is provided below the housing, wherein one end of the bottom plate is hinged to the housing, wherein the other end of the bottom plate is provided with an adjusting oil cylinder for controlling the housing to rotate relative to the bottom plate, wherein a gear hole for the transmission gear to pass through is provided on the bottom plate, and further comprising a hydraulic control valve group, wherein the hydraulic control valve group comprises a pilot control assembly, a brake control assembly, an oil cylinder control assembly and a valve block assembly. The fully automatic chain tightening device has the characteristics of automatic operation and convenient use, and has complete overall functions and strong practicality.

Description

Technical Field

[0001] The present invention relates to the technical field of chain tighteners, and more specifically, to an intelligent fully automatic chain tightening device. Background Art

[0002] The hydraulic chain tightener is a new type of chain tightener designed for scraper conveyors. It is flexible and convenient to use, simple to operate, has a good chain tightening effect, and is safe to use. It is a more convenient and ideal product among the current chain tighteners. However, the traditional hydraulic chain tightener requires manual operation and cannot achieve intelligent control. It is inconvenient and unsafe to operate, and the overall effect is not good. Based on this, the present invention proposes an intelligent fully automatic chain tightening device. Summary of the invention

[0003] The purpose of the present invention is to overcome the deficiencies in the above-mentioned prior art and to provide an intelligent fully automatic chain tightening device, which has the characteristics of automated operation and convenient use.

[0004] In order to solve the above technical problems, the object of the present invention is achieved as follows: an intelligent fully automatic chain tightening device involved in the present invention includes a motor brake assembly and a reduction box, the reduction box includes a box body, a driving gear and a transmission gear that are meshed with each other are rotatably connected in the box body, the driving gear is located above the transmission gear, the driving gear is connected to the output shaft of the motor brake assembly, a bottom plate is provided below the box body, one end of the bottom plate is hinged to the box body, the other end of the bottom plate is provided with an adjusting cylinder for controlling the box body to rotate relative to the bottom plate, the bottom plate is provided with a gear hole for the transmission gear to pass through, and also includes a hydraulic control valve group, the hydraulic control valve group includes a pilot control assembly, a brake control assembly, a cylinder control assembly and a valve block assembly;

[0005] The motor brake assembly is provided with a motor oil inlet R1, a motor oil outlet L1 and a motor brake port X; the regulating oil cylinder is provided with an ascending oil outlet G2 and a descending oil outlet G1; the pilot control assembly is provided with a high-pressure oil outlet P2, a forward oil outlet A, a reverse oil outlet B, an oil return port T and a high-pressure oil inlet P1; the brake control assembly is provided with a valve block oil inlet P3 and a brake control port K3; the cylinder control assembly is provided with a high-pressure oil outlet P4, a descending oil outlet K1, an ascending oil outlet K2 and an oil return port T; the valve block assembly is provided with a valve block oil inlet P5, a forward oil inlet A1, a reverse oil inlet B1, an oil return port RT, a motor oil port R and a motor oil port L;

[0006] The motor oil inlet R1 is connected to the motor oil port R, the motor oil outlet L1 is connected to the motor oil port L, the motor brake port X is connected to the brake control port K3, the ascending oil outlet G2 is connected to the ascending oil outlet K2, the descending oil outlet G1 is connected to the descending oil outlet K1, the high-pressure oil outlet P2 is connected to the valve block oil inlet P5, the forward oil outlet A is connected to the forward oil inlet A1, the reverse oil outlet B is connected to the reverse oil inlet B1, the high-pressure oil outlet P4 is connected to the brake control port K3, and the oil return port T and the oil return port RT are connected to the outside atmosphere.

[0007] The present invention is further configured as follows: the hydraulic control valve group includes an anti-recoil valve block connected in series between the motor brake assembly and the valve block assembly, and the anti-recoil valve block is provided with a first inlet V1, a first outlet C1, a second inlet V2 and a second outlet C2, the first inlet V1 is connected to the motor oil port R, the first outlet C1 is connected to the motor oil inlet R1, the second inlet V2 is connected to the motor oil port L, and the second outlet C2 is connected to the motor oil outlet L1.

[0008] The present invention is further configured as follows: the hydraulic control valve group also includes an emulsion pump, the emulsion pump is provided with an emulsion pump oil outlet P6, and the emulsion pump oil outlet P6 is connected to the high-pressure oil inlet P1, the high-pressure oil outlet P4 and the brake control port K3.

[0009] The present invention is further configured such that: the hydraulic control valve group also includes a pressure gauge.

[0010] To sum up, the present invention has the following beneficial effects: the intelligent fully automatic chain tightening device involved in the present invention operates the solenoid valves in each hydraulic control valve group, sets the chain preload and the chain tightening length according to the working surface conditions, and realizes one-key operation of the chain tightening process according to the set parameters. It does not require manual operation by personnel, saves manpower, is safer and more reliable, has higher work efficiency, has complete overall functions, and is highly practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the structure of the present invention;

[0012] Figure 2 It is a structural schematic diagram of another perspective of the present invention;

[0013] Figure 3 It is a schematic diagram of the overall structure of the hydraulic control valve group used in the present invention;

[0014] Figure 4 The present invention is a schematic diagram of pipeline connection for embodying a hydraulic control valve group. DETAILED DESCRIPTION

[0015] In order to enable those skilled in the art to better understand the technical solution of the present invention, the preferred embodiments of the present invention are described below in conjunction with specific embodiments, but it should be understood that these descriptions are only for further illustrating the features and advantages of the present invention, rather than limiting the patent requirements of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present invention.

[0016] The present invention is further described below in conjunction with the accompanying drawings and preferred embodiments.

[0017] Example 1

[0018] See also Figures 1 to 4 As shown, an intelligent fully automatic chain tightening device involved in this embodiment includes a motor brake assembly 1 and a reduction box 2, the reduction box 2 includes a box body 21, and a driving gear 22 and a transmission gear 23 that are meshed with each other are rotatably connected in the box body 21, the driving gear 22 is located above the transmission gear 23, and the driving gear 22 is connected to the output shaft of the motor brake assembly 1, a bottom plate 3 is provided below the box body 21, one end of the bottom plate 3 is hinged to the box body 21, and the other end of the bottom plate 3 is provided with an adjusting cylinder 4 for controlling the box body 21 to rotate relative to the bottom plate 3, and a gear hole 5 for the transmission gear 23 to pass through is opened on the bottom plate 3, and also includes a hydraulic control valve group, which includes a pilot control assembly 6, a brake control assembly 7, a cylinder control assembly 8 and a valve block assembly 9;

[0019] The motor brake assembly 1 is provided with a motor oil inlet R1, a motor oil outlet L1 and a motor brake port X; the regulating oil cylinder 4 is provided with an ascending oil outlet G2 and a descending oil outlet G1; the pilot control assembly 6 is provided with a high-pressure oil outlet P2, a forward oil outlet A, a reverse oil outlet B, an oil return port T and a high-pressure oil inlet P1; the brake control assembly 7 is provided with a valve block oil inlet P3 and a brake control port K3; the cylinder control assembly 8 is provided with a high-pressure oil outlet P4, a descending oil outlet K1, an ascending oil outlet K2 and an oil return port T; the valve block assembly 9 is provided with a valve block oil inlet P5, a forward oil inlet A1, a reverse oil inlet B1, an oil return port RT, a motor oil port R and a motor oil port L;

[0020] The motor oil inlet R1 is connected to the motor oil port R, the motor oil outlet L1 is connected to the motor oil port L, the motor brake port X is connected to the brake control port K3, the ascending oil outlet G2 is connected to the ascending oil outlet K2, the descending oil outlet G1 is connected to the descending oil outlet K1, the high-pressure oil outlet P2 is connected to the valve block oil inlet P5, the forward oil outlet A is connected to the forward oil inlet A1, the reverse oil outlet B is connected to the reverse oil inlet B1, the high-pressure oil outlet P4 is connected to the brake control port K3, and the oil return port T and the oil return port RT are connected to the outside atmosphere.

[0021] Furthermore, the hydraulic control valve group includes an anti-recoil valve block 10 connected in series between the motor brake assembly 1 and the valve block assembly 9, and the anti-recoil valve block 10 is provided with a first inlet V1, a first outlet C1, a second inlet V2 and a second outlet C2, the first inlet V1 is connected to the motor oil port R, the first outlet C1 is connected to the motor oil inlet R1, the second inlet V2 is connected to the motor oil port L, and the second outlet C2 is connected to the motor oil outlet L1.

[0022] Furthermore, the hydraulic control valve group also includes an emulsion pump, which is provided with an emulsion pump oil outlet P6, and the emulsion pump oil outlet P6 is connected to the high-pressure oil inlet P1, the high-pressure oil outlet P4 and the brake control port K3.

[0023] Furthermore, the hydraulic control valve group also includes a pressure gauge.

[0024] In this embodiment, the hydraulic control valve group control system can achieve the following functions:

[0025] 1) The control system controls the automatic and smooth engagement / disengagement of the idler wheel of the chain tensioner and the large gear ring of the driving unit, and the forward and reverse rotation, braking and stopping of the hydraulic motor.

[0026] 2) The control system can set the chain preload and chain tightening length according to the working surface conditions, and realize one-key operation of the chain tightening process according to the set parameters.

[0027] 3) The control system can set the relevant information of the supporting equipment according to the supporting equipment conditions, including the number of teeth of the supporting large gear ring, the speed ratio of the supporting reducer, the number of teeth of the driving sprocket and the specifications of the supporting chain, and calculate the chain running speed, chain running distance, chain tension and other parameters accordingly.

[0028] 4) The control system can send out a locking signal before work and realize the interlocking function with the three-machine control system of the working face to prevent misoperation from damaging equipment and personnel safety.

[0029] 5) The control host has a large-screen true-color display, which can display information such as chain running speed, chain running distance, chain tension, motor working pressure, motor speed, motor output torque, etc. in real time, and can realize fault alarm and shutdown protection functions. It is equipped with a large-capacity storage card to record the data collected on site, which is required to meet the 1-year data storage requirement and has the function of fault information analysis.

[0030] 6) To realize the centralized control of the automated working face, the control system must provide the Party A with an open equipment data interface, which can be connected to the mine automation system, transmit the equipment operating parameters to the nearest signal acquisition box, and accept the instructions of the control center. Both the underground working face chute control console and the ground control center can remotely monitor and control the digital chain tightening device, and realize all parameter setting functions.

[0031] 7) Communication interface types: RS485 communication, communication interface (2); protocol: MODBUS RTU or MODBUS TCP standard communication protocol.

[0032] 8) The control system reserves a manual control function, which can be switched to complete the chain tightening operation of the scraper chain in the traditional chain tightening method.

[0033] The intelligent fully automatic chain tightening device involved in the present invention operates the solenoid valves in the hydraulic control valve groups, sets the chain preload and the chain tightening length according to the working surface conditions, and realizes one-key operation of the chain tightening process according to the set parameters. It does not require manual operation by personnel, saves manpower, is safer and more reliable, has higher work efficiency, has complete overall functions, and is highly practical.

[0034] Unless otherwise specified, in the present invention, the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicating orientation or positional relationship are based on the orientation or positional relationship actually shown, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, the terms describing the orientation or positional relationship in the present invention are only used for illustrative purposes and cannot be understood as limiting this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood in combination with the embodiments and according to specific circumstances.

[0035] Unless otherwise clearly specified and limited, in the present invention, the terms "disposed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] The preferred specific embodiments of the present invention are described in detail above. It should be understood that a person skilled in the art can make many modifications and changes based on the concept of the present invention without creative work. Therefore, any technical solution that can be obtained by a person skilled in the art through logical analysis, reasoning or limited experiments based on the concept of the present invention on the basis of the prior art should be within the scope of protection determined by the claims.

Claims

1. An intelligent fully automatic chain tightening device, comprising a motor brake assembly and a reduction box, the reduction box comprising a housing, a driving gear and a transmission gear rotatably connected to each other in the housing, the driving gear being located above the transmission gear, the driving gear being connected to the output shaft of the motor brake assembly, a bottom plate being provided below the housing, one end of the bottom plate being hinged to the housing, and characterized in that: The other end of the base plate is provided with an adjusting oil cylinder for the control box to rotate relative to the base plate, the base plate is provided with a gear hole for the transmission gear to pass through, and also includes a hydraulic control valve group, the hydraulic control valve group includes a pilot control assembly, a brake control assembly, an oil cylinder control assembly, a valve block assembly and a control host, the control host has a true color display, and the control host is equipped with a storage card for recording on-site collected data; The motor brake assembly is provided with a motor oil inlet R1, a motor oil outlet L1 and a motor brake port X; the regulating oil cylinder is provided with an ascending oil outlet G2 and a descending oil outlet G1; the pilot control assembly is provided with a high-pressure oil outlet P2, a forward oil outlet A, a reverse oil outlet B, an oil return port T and a high-pressure oil inlet P1; the brake control assembly is provided with a valve block oil inlet P3 and a brake control port K3; the cylinder control assembly is provided with a high-pressure oil outlet P4, a descending oil outlet K1, an ascending oil outlet K2 and an oil return port T; the valve block assembly is provided with a valve block oil inlet P5, a forward oil inlet A1, a reverse oil inlet B1, an oil return port RT, a motor oil port R and a motor oil port L; The motor oil inlet R1 is connected to the motor oil port R, the motor oil outlet L1 is connected to the motor oil port L, the motor brake port X is connected to the brake control port K3, the ascending oil outlet G2 is connected to the ascending oil outlet K2, the descending oil outlet G1 is connected to the descending oil outlet K1, the high-pressure oil outlet P2 is connected to the valve block oil inlet P5, the forward oil outlet A is connected to the forward oil inlet A1, the reverse oil outlet B is connected to the reverse oil inlet B1, the high-pressure oil outlet P4 is connected to the brake control port K3, and the oil return port T and the oil return port RT are connected to the outside atmosphere.

2. The intelligent fully automatic chain tightening device according to claim 1 is characterized in that: The hydraulic control valve group includes an anti-recoil valve block connected in series between the motor brake assembly and the valve block assembly, and the anti-recoil valve block is provided with a first inlet V1, a first outlet C1, a second inlet V2 and a second outlet C2, the first inlet V1 is connected to the motor oil port R, the first outlet C1 is connected to the motor oil inlet R1, the second inlet V2 is connected to the motor oil port L, and the second outlet C2 is connected to the motor oil outlet L1.

3. The intelligent fully automatic chain tightening device according to claim 1 or 2, characterized in that: The hydraulic control valve group further comprises an emulsion pump, which is provided with an emulsion pump oil outlet P6, which is connected to the high-pressure oil inlet P1, the high-pressure oil outlet P4 and the brake control port K3.

4. The intelligent fully automatic chain tightening device according to claim 3 is characterized in that: The hydraulic control valve group also includes a pressure gauge.

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