Constant-pressure liquid supply device for supporting

Abstract

The utility model relates to the technical field of supporting liquid supply, and discloses a constant-pressure liquid supply device for supporting. The constant-pressure liquid supply device for supporting comprises a storage tank, a supporting frame is fixedly installed on the outer side of the interior of the storage tank, a liquid drainage pipe is fixedly installed at the right end of the storage tank in a penetrating and penetrating mode, an emulsion pump is fixedly installed at the bottom end of the liquid drainage pipe, and a supporting plate is fixedly installed at the bottom of the emulsion pump; a frequency converter and a controller are fixedly installed above the supporting plate, a conveying pipe is fixedly installed at the liquid outlet end of the emulsion pump, and the controller can adjust the frequency of output current of the frequency converter according to monitoring data of a hydraulic meter, so that the rotating speed of the emulsion pump is adjusted, and then the output amount of the emulsion pump is adjusted; by means of the mode, when the requirement for the flow is low, the emulsion pump can be kept at the low rotating speed, meanwhile, the pressure of the emulsion in the pipeline is limited within the threshold value interval, and therefore the effect of constant-pressure liquid supply is achieved while energy is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of support liquid supply, specifically to a constant pressure liquid supply device for support. BACKGROUND

[0002] The mine emulsion pump station can provide continuous and stable pressure for the hydraulic support and other hydraulic equipment, which is the basis for the effective operation of these devices. The hydraulic support relies on the emulsion provided by the pump station to complete the column lifting, column lowering, and support frame moving operations to support the roof and maintain the roadway.

[0003] The existing can refer to the announcement number: CN207583751U Chinese utility model patent, it discloses a kind of emulsion centralized liquid supply station, including bottom drag component, the bottom drag component upper portion front and rear two ends are respectively equipped with energy accumulator, located the left end of bottom drag component is equipped with liquid supply component, the two ends of liquid supply component are respectively communicated with energy accumulator by connecting pipe;First automatic backwash high-pressure filter and second automatic backwash high-pressure filter are staggered and installed in the middle of bottom drag component, first pipeline and third pipeline are installed in the side of liquid supply component, first pipeline is connected with first automatic backwash high-pressure filter, the output end of first automatic backwash high-pressure filter is connected with liquid collection component by second pipeline, liquid collection component and liquid supply component are symmetrically installed;Third pipeline is connected with second automatic backwash high-pressure filter, the output end of second automatic backwash high-pressure filter is communicated with liquid collection component by fourth pipeline, saves the cost of separate procurement, configuration and maintenance.

[0004] The hydraulic system generates a large amount of heat during long-term operation. The existing emulsion pump station has no cooling structure, and the internal emulsion accumulates a large amount of heat during use. The support operation in the underground fully-mechanized working face is intermittent, but the liquid must be taken as it is used. Therefore, the emulsion pump station must be in a long-term continuous operation state. In addition, the support operation requires the support to move quickly, and the liquid consumption is large in a short time. In order to ensure the flow, the existing emulsion pump station generally uses a high-power motor. The motor cannot adjust its power according to the use demand, so that the existing emulsion pump station has high energy consumption. UTILITY MODEL CONTENTS

[0005] (I) Technical problem solved

[0006] In view of the shortcomings of the prior art, the utility model provides a constant pressure liquid supply device for support, which has the advantages of improving heat dissipation efficiency and reducing energy consumption, and solves the above technical problems.

[0007] (II) Technical scheme

[0008] To achieve the above object, the utility model provides the following technical scheme: A constant pressure liquid supply device for support, it includes: the storage tank, the inside outside of storage tank is fixedly installed with support frame, the right end of storage tank is fixedly inserted and installed with drainage pipe, the bottom of drainage pipe is fixedly installed with emulsion pump, the bottom of emulsion pump is fixedly installed with support plate, the top of support plate is fixedly installed with frequency converter and controller, the liquid outlet end of emulsion pump is fixedly installed with delivery pipe, the top of delivery pipe is fixedly installed back liquid valve, the top of back liquid valve is fixedly installed with back liquid pipe, the left end of delivery pipe is fixedly installed with connecting valve, the left end of connecting valve is fixedly installed with output pipe, the upper end of output pipe is fixedly installed with hydraulic gauge, the inside of storage tank is fixedly installed with cooling pipe, the right end of cooling pipe is fixedly installed with cooling liquid pump, the left end of storage tank is fixedly installed with swivel joint, the inside of swivel joint is inserted and installed with driving shaft, the left end of driving shaft is fixedly installed with drive motor, the bottom of drive motor is fixedly installed with heightening stand, the outside of driving shaft is fixedly installed with stirring rod, the storage tank can store emulsion.

[0009] As the preferred technical scheme of the utility model, the support frame is symmetrically installed on the outside of the storage tank with the center of the storage tank as the reference, and the top end of the drainage pipe is communicated with the inner cavity of the storage tank.

[0010] As the preferred technical scheme of the utility model, the bottom end of the drainage pipe is fixedly connected with the liquid inlet end of the emulsion pump, and the top of the back liquid pipe is communicated with the inner cavity of the storage tank; the drainage pipe can facilitate the emulsion pump to extract the emulsion in the storage tank.

[0011] As the preferred technical scheme of the utility model, the hydraulic gauge is fixed on the upper end of the output pipe through the flange structure, and the bottom end of the hydraulic gauge is located in the center of the inner cavity of the horizontal tubular structure of the output pipe; the hydraulic gauge can monitor the emulsion pressure in the output pipe.

[0012] As the preferred technical scheme of the utility model, the left end of the output pipe is provided with a flange structure, the cooling pipe is a spiral structure, and the right end of the cooling pipe penetrates the storage tank and is fixedly connected with the liquid inlet end of the cooling liquid pump; the cooling pipe can facilitate the cooling liquid to cover the inside of the storage tank.

[0013] As the preferred technical scheme of the utility model, the left end of the cooling pipe penetrates the storage tank at the left end of the storage tank, and the driving shaft is rotatably connected between the swivel joint and the storage tank; the driving shaft can drive the stirring rod to rotate.

[0014] As the preferred technical scheme of the utility model, the rotating shaft of the driving motor is fixedly connected with the left end of the driving shaft through the penetrating mode, the stirring rod is equidistantly installed outside the driving shaft with the center of the storage tank as the reference, and the stirring rod is located inside the spiral structure of the cooling pipe.

[0015] Compared with the prior art, the utility model provides a constant pressure liquid supply device for support has the following beneficial effects:

[0016] 1、 the utility model discloses the setting of cooling pipe, and the cooling pipe is spiral structure, and the right end of cooling pipe is fixedly connected with the liquid inlet end of cooling liquid pump through the penetration of storage tank, and the left end of cooling pipe is fixedly connected with the left end of storage tank through the penetration of storage tank, and the cooling liquid is transported to the inside of cooling pipe through cooling liquid pump to absorb the emulsion heat in the inside of storage tank, and the driving motor can drive the driving shaft to rotate, and the stirring rod will be driven to rotate when the driving shaft rotates, thereby stirring the emulsion in the inside of storage tank to make the internal emulsion heat distribution more uniform, thereby the heat of emulsion is taken away by cooling liquid, and the heat collection of emulsion is avoided.

[0017] 2、 the utility model discloses the setting of frequency converter, and the hydraulic pressure of emulsion inside output pipe is monitored through the hydraulic gauge fixedly installed on the top of output pipe, and the monitoring data is output to controller, and the controller can adjust the frequency of frequency converter output current according to the monitoring data of hydraulic gauge, thereby adjusting the rotating speed of emulsion pump, and then adjusting the output of emulsion pump to adjust the hydraulic pressure of emulsion in pipeline, and this mode can make emulsion pump keep in low rotating speed while limiting the hydraulic pressure of emulsion in pipeline in threshold interval when the flow requirement is low, thereby saving energy while achieving the effect of constant pressure liquid supply. ACCURACY OF DRAWINGS

[0018] Figure 1 It is the whole structure schematic diagram of the utility model;

[0019] Figure 2 It is the emulsion pump mounting structure schematic diagram of the utility model;

[0020] Figure 3 It is the cooling pipe mounting structure schematic diagram of the utility model;

[0021] Figure 4 It is the stirring rod mounting structure schematic diagram of the utility model;

[0022] Wherein: 1, the storage tank; 11, support frame; 12, drain pipe; 13, emulsion pump; 14, support plate; 15, frequency converter; 16, controller; 17, conveying pipe; 18, back valve; 19, back pipe; 110, connecting valve; 111, output pipe; 112, hydraulic gauge; 113, cooling pipe; 114, cooling liquid pump; 115, rotary joint; 116, drive shaft; 117, drive motor; 118, heightening frame; 119, stirring rod. DETAILED DESCRIPTION

[0023] The embodiments of the present application will be further described below in conjunction with the drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.

[0024] In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more; The orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; It can be mechanically connected, or it can be electrically connected; It can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0026] Please refer to Figure 1 - Figure 4In this embodiment, a constant pressure liquid supply device for support includes a storage tank 1, a support frame 11 fixedly installed on the outside of the inside of the storage tank 1, a liquid discharge pipe 12 fixedly inserted and installed at the right end of the storage tank 1, an emulsion pump 13 fixedly installed at the bottom end of the liquid discharge pipe 12, a support plate 14 fixedly installed at the bottom of the emulsion pump 13, a frequency converter 15 and a controller 16 fixedly installed above the support plate 14, a delivery pipe 17 fixedly installed at the liquid outlet end of the emulsion pump 13, a liquid return valve 18 fixedly installed at the top end of the delivery pipe 17, a liquid return pipe 19 fixedly installed at the top end of the liquid return valve 18, a connecting valve 110 fixedly installed at the left end of the delivery pipe 17, an output pipe 111 fixedly installed at the left end of the connecting valve 110, a hydraulic gauge 112 fixedly installed at the upper end of the output pipe 111, a cooling pipe 113 fixedly installed in the inside of the storage tank 1, a cooling liquid pump 114 fixedly installed at the right end of the cooling pipe 113, a rotary joint 115 fixedly installed at the left end of the storage tank 1, a drive shaft 116 fixedly inserted and installed in the inside of the rotary joint 115, a drive motor 117 fixedly installed at the left end of the drive shaft 116, a height increasing frame 118 fixedly installed at the bottom of the drive motor 117, and a stirring rod 119 fixedly installed on the outside of the drive shaft 116.

[0027] The support frame 11 is symmetrically installed on the outside of the storage tank 1 with the center of the storage tank 1 as the reference, the top end of the liquid discharge pipe 12 is communicated with the inner cavity of the storage tank 1, the bottom end of the liquid discharge pipe 12 is fixedly connected with the liquid inlet end of the emulsion pump 13, the liquid return pipe 19 is communicated with the inner cavity of the storage tank 1 at the top of the storage tank 1, the hydraulic gauge 112 is fixedly installed on the upper end of the output pipe 111 through a flange structure, and the bottom end of the hydraulic gauge 112 is located in the center of the inner cavity of the horizontal tubular structure of the output pipe 111, the left end of the output pipe 111 is provided with a flange structure, the cooling pipe 113 is a spiral structure, the right end of the cooling pipe 113 penetrates the storage tank 1 and is fixedly connected with the liquid inlet end of the cooling liquid pump 114, the left end of the cooling pipe 113 penetrates the storage tank 1 at the left end of the storage tank 1, the drive shaft 116 is rotationally connected between the rotary joint 115 and the storage tank 1, the rotating shaft of the drive motor 117 is fixedly connected with the left end of the drive shaft 116 in a penetrating manner, the stirring rod 119 is equidistantly installed on the outside of the drive shaft 116 with the center of the storage tank 1 as the reference, and the stirring rod 119 is located inside the spiral structure of the cooling pipe 113.

[0028] Specifically, the model of the emulsion pump 13 is BRW1600 / 40, the model of the frequency converter 15 is BPBJV1-1250 / 10, the model of the controller 16 is KXJ127, the model of the backflow valve 18 and the connecting valve 110 is 2WZCSDF, the model of the hydraulic gauge 112 is MY-YLBSQ, the model of the cooling liquid pump 114 is IS50-32J-125IA, the model of the rotary joint 115 is DN25-DN600, the model of the driving motor 117 is TYCP132-8, the storage tank 1 can store a certain amount of emulsion, the support frame 11 supports the storage tank 1 to limit the position of the storage tank 1, the discharge pipe 12 is connected to the liquid inlet end of the emulsion pump 13, the emulsion pump 13 can extract the emulsion in the storage tank 1 through the discharge pipe 12 when starting, the support plate 14 supports the emulsion pump 13, the frequency converter 15 and the controller 16, the voltage of the emulsion pump 13 is adjusted through the frequency converter 15, after the emulsion is transported into the conveying pipe 17 by the emulsion pump 13, it enters the output pipe 111 through the connecting valve 110, the backflow valve 18 can limit the emulsion from entering the backflow pipe 19 and flowing back to the storage tank 1 through the backflow pipe 19, the output pipe 111 can be connected with the pipeline structure to deliver emulsion to the support, the hydraulic gauge 112 fixedly installed above the output pipe 111 monitors the emulsion pressure in the output pipe 111 and outputs the monitoring data to the controller 16, the controller 16 can adjust the frequency of the output current of the frequency converter 15 according to the monitoring data of the hydraulic gauge 112, so as to adjust the rotating speed of the emulsion pump 13 and then adjust the output of the emulsion pump 13 to adjust the emulsion pressure in the pipeline, the cooling liquid pump 114 delivers cooling liquid into the cooling pipe 113 to absorb the heat of the emulsion in the storage tank 1, the driving motor 117 can drive the driving shaft 116 to rotate, which will drive the stirring rod 119 to rotate, so as to stir the emulsion in the storage tank 1 to make the heat distribution of the emulsion more uniform.

[0029] In use, the cooling pipe 113 is in a spiral structure, the right end of the cooling pipe 113 penetrates the storage tank 1 and is fixedly connected with the inlet end of the cooling liquid pump 114, the left end of the cooling pipe 113 penetrates the storage tank 1 at the left end of the storage tank 1, the cooling liquid is transported to the inside of the cooling pipe 113 by the cooling liquid pump 114 to absorb the heat of the emulsion inside the storage tank 1, the driving motor 117 can drive the driving shaft 116 to rotate, which will drive the stirring rod 119 to rotate, thereby stirring the emulsion inside the storage tank 1 to make the heat distribution of the emulsion inside more uniform, thereby taking away the heat of the emulsion by the cooling liquid, avoiding the heat collection of the emulsion, the hydraulic gauge 112 fixedly installed above the output pipe 111 is used to monitor the emulsion pressure inside the output pipe 111, and the monitoring data is output to the controller 16, the controller 16 can adjust the frequency of the output current of the frequency converter 15 according to the monitoring data of the hydraulic gauge 112, thereby adjusting the rotating speed of the emulsion pump 13, and further adjusting the output amount of the emulsion pump 13 to adjust the hydraulic pressure of the emulsion in the pipeline, which can limit the emulsion pressure in the pipeline within a threshold interval while keeping the emulsion pump 13 at a low rotating speed when the flow requirement is low, thereby achieving the effect of constant pressure liquid supply while saving energy.

[0030] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A constant pressure liquid supply device for support, characterized by, Include: The tank (1), the inside outside of the tank (1) is fixedly installed with support frame (11), the right end of the tank (1) is fixedly inserted with drainage pipe (12), the bottom end of drainage pipe (12) is fixedly installed with emulsion pump (13), the bottom of emulsion pump (13) is fixedly installed with support plate (14), the top of support plate (14) is fixedly installed with frequency converter (15) and controller (16), the liquid outlet end of emulsion pump (13) is fixedly installed with conveying pipe (17), the top end of conveying pipe (17) is fixedly installed with back liquid valve (18), the top end of back liquid valve (18) is fixedly installed with back liquid pipe (19), the left end of conveying pipe (17) is fixedly installed with connecting valve (110), the left end of connecting valve (110) is fixedly installed with output pipe (111), the upper end of output pipe (111) is fixedly installed with hydraulic gauge (112), the inside of the tank (1) is fixedly installed with cooling pipe (113), the right end of cooling pipe (113) is fixedly installed with cooling liquid pump (114), the left end of the tank (1) is fixedly installed with rotary joint (115), the inside of rotary joint (115) is inserted with drive shaft (116), the left end of drive shaft (116) is fixedly installed with drive motor (117), the bottom of drive motor (117) is fixedly installed with heightening frame (118), the outside of drive shaft (116) is fixedly installed with stirring rod (119).

2. The constant pressure liquid supply device for support according to claim 1, wherein: The support frame (11) is symmetrically installed on the outside of the tank (1) with the center of the tank (1) as the reference, and the top end of the drainage pipe (12) is communicated with the inner cavity of the tank (1).

3. The constant pressure liquid supply device for support according to claim 1, wherein: The bottom end of the drainage pipe (12) is fixedly connected with the liquid inlet end of the emulsion pump (13), and the back liquid pipe (19) is communicated with the inner cavity of the tank (1) at the top of the tank (1).

4. The constant pressure liquid supply device for support according to claim 1, wherein: The hydraulic gauge (112) is fixed on the upper end of the output pipe (111) through a flange structure, and the bottom end of the hydraulic gauge (112) is located in the center of the inner cavity of the horizontal tubular structure of the output pipe (111).

5. The constant pressure liquid supply device for support according to claim 1, wherein: The left end of the output pipe (111) is provided with a flange structure, the cooling pipe (113) is a spiral structure, and the right end of the cooling pipe (113) penetrates the tank (1) and is fixedly connected with the liquid inlet end of the cooling liquid pump (114).

6. The constant pressure liquid supply device for support according to claim 1, wherein: The left end of the cooling pipe (113) penetrates the tank (1) at the left end of the tank (1), and the drive shaft (116) is rotatably connected between the rotary joint (115) and the tank (1).

7. The constant pressure liquid supply device for support according to claim 1, characterized in that: The rotating shaft of the driving motor (117) is fixedly connected with the left end of the driving shaft (116) by means of insertion, the stirring rod (119) is equidistantly installed outside the driving shaft (116) with the center of the storage tank (1) as the reference, and the stirring rod (119) is located inside the spiral structure of the cooling pipe (113).

Images