Search

CN-224214222-U - Slurry blocking device for filling coal mine working face paste

CN224214222UCN 224214222 UCN224214222 UCN 224214222UCN-224214222-U

Abstract

The utility model belongs to the technical field of coal mining, and particularly relates to a slurry blocking device for filling a paste on a coal mine working face. The slurry blocking device for filling the paste on the working face of the coal mine comprises a base, wherein a lifting mechanism, an adjusting slurry blocking mechanism and a mounting mechanism are arranged on the base, the lifting mechanism comprises a 匚 -shaped frame, a lifting plate, a first screw rod and a first motor, the 匚 -shaped frame is fixedly mounted on the top of the base, the lifting plate is slidably mounted on the top of the base, the first screw rod is rotatably mounted on the 匚 -shaped frame, the bottom end of the first screw rod is rotatably connected with the base, the first screw rod penetrates through the lifting plate and is in threaded connection with the lifting plate, the first motor is fixedly mounted on the top of the 匚 -shaped frame, and an output shaft of the first motor is fixedly connected with the first screw rod. The slurry blocking device for filling the paste on the coal mine working face has the advantages of being capable of accurately adjusting the height, angle and position of the slurry blocking plate, enhancing the stability of the structure and adapting to different filling port sizes.

Inventors

  • DONG HONGJUAN
  • WEN JINGYA
  • ZHANG ZHEN
  • GAO LIN

Assignees

  • 内蒙古科技大学

Dates

Publication Date
20260508
Application Date
20250702

Claims (6)

  1. 1. The slurry blocking device for filling the paste on the working face of the coal mine is characterized by comprising a base, wherein the base is provided with a lifting mechanism, an adjusting slurry blocking mechanism and a mounting mechanism; The lifting mechanism comprises a 匚 -shaped frame, a lifting plate, a first screw rod and a first motor, wherein the 匚 -shaped frame is fixedly arranged at the top of the base, the lifting plate is slidably arranged at the top of the base, the first screw rod is rotatably arranged on the 匚 -shaped frame, the bottom end of the first screw rod is rotatably connected with the base, the first screw rod penetrates through the lifting plate and is in threaded connection with the lifting plate, the first motor is fixedly arranged at the top of the 匚 -shaped frame, and an output shaft of the first motor is fixedly connected with the first screw rod; The pulp blocking mechanism comprises a base plate, an adjusting plate, two pushing-out hydraulic cylinders, two adjusting hydraulic cylinders and a pulp blocking plate, wherein the base plate is fixedly installed on one side of the lifting plate, the adjusting plate is arranged on one side of the base plate, the pushing-out hydraulic cylinders are fixedly installed on one side of the base plate, an output shaft of each pushing-out hydraulic cylinder is hinged to the adjusting plate, the adjusting hydraulic cylinders are hinged to the base plate, an output shaft of each adjusting hydraulic cylinder is hinged to the adjusting plate, and the pulp blocking plate is installed on the adjusting plate.
  2. 2. The paste blocking device for filling paste on a coal mine working face according to claim 1, wherein the installation mechanism comprises two strip-shaped holes, two strip-shaped plates, two fixing plates, a second screw rod, a second motor, an internal thread sliding block, two inclined push rods and two inserted bars, the two strip-shaped holes are formed in the adjusting plate, the two strip-shaped plates are fixedly installed on the paste blocking plate, the strip-shaped plates penetrate through the strip-shaped holes and are matched with the strip-shaped holes, the two fixing plates are fixedly installed on the adjusting plate, the second screw rod is rotatably installed on the two fixing plates, the second motor is fixedly installed on the corresponding fixing plate, an output shaft of the second motor is fixedly connected with the second screw rod, the internal thread sliding block is sleeved on the second screw rod in a threaded mode, the two inclined push rods are respectively hinged to two sides of the internal thread sliding block, and the two inserted bars are respectively hinged to one ends of the two inclined push rods.
  3. 3. The paste blocking device for filling paste on a coal mine working face according to claim 2, wherein the adjusting plate is fixedly provided with two guide blocks, and the inserting rod penetrates through the guide blocks and is connected with the guide blocks in a sliding manner.
  4. 4. The paste blocking device for filling paste on a coal mine working face according to claim 1, wherein the lifting plate is provided with two guide sliding grooves, and the 匚 -shaped frame penetrates through the two guide sliding grooves and is matched with the guide sliding grooves.
  5. 5. The paste blocking device for filling paste on a coal mine working face according to claim 1, wherein two inclined reinforcing rods are fixedly arranged at the top of the lifting plate, and one ends of the two inclined reinforcing rods are fixedly connected with the base plate.
  6. 6. The paste blocking device for filling paste on a coal mine working face according to claim 2, wherein the strip-shaped plate is provided with two slots, and the inserting rod penetrates through the slots and is matched with the slots.

Description

Slurry blocking device for filling coal mine working face paste Technical Field The utility model belongs to the technical field of coal mining, and particularly relates to a slurry blocking device for filling a paste on a coal mine working face. Background In the coal mining process, the paste filling technology has important significance for controlling the subsidence of the earth surface and improving the resource mining rate. And during paste filling operation, the performance of the paste blocking device is directly related to filling effect and production safety. At present, the common slurry blocking device for the continuous mining and continuous filling technology of the coal mine has a plurality of problems. For example, the concrete brick wall is paved and supported by the single prop and the inclined rod, so that the concrete brick wall has the advantages of large workload, long time consumption, high cost, difficult guarantee of stability when paste filling pressure is large, and easy occurrence of serious hidden troubles such as collapse of a paste blocking device, paste overflow and the like. In the related art, the patent document of the publication number (CN 219299364U) is authorized, a paste filling mining roadway wheel type slurry blocking support device is disclosed, belongs to the technical field of slurry blocking devices, and realizes the effect of slurry blocking angle adjustment by arranging a shielding piece and enabling two ends of the shielding piece to be movably connected with a base and a second telescopic rod on the base respectively, and a baffle in the shielding piece consists of a plurality of mutually matched plates, and cooperates with a first telescopic rod on the base to realize slurry blocking height adjustment, thereby realizing the requirements of different slurry blocking heights and slurry blocking angles, improving the applicability and being more practical However, the structure has the defects that firstly, the device is subjected to lateral pressure and dynamic impact of paste for a long time only through the first telescopic rod, the connecting part is easy to loosen and deform, and the reinforcing structure is lacking, so that the anti-overturning capacity and the overall rigidity are insufficient, and the long-acting paste blocking effect is difficult to maintain. Secondly, although the spliced slurry baffle is convenient to adjust the size, the spliced structure of the plate body is simple, gaps are easy to generate under the paste pressure, the tightness is poor, slurry leakage is caused, the filling quality is influenced, local pressure concentration is caused, and the structural safety of the device is endangered. Therefore, it is necessary to provide a new slurry blocking device for filling the slurry on the working face of the coal mine to solve the technical problems. Disclosure of utility model The utility model solves the technical problem of providing the slurry blocking device which can accurately adjust the height, the angle and the position of the slurry blocking plate, strengthen the stability of the structure and adapt to the filling of the paste of the coal mine working face with different filling opening sizes. In order to solve the technical problems, the slurry blocking device for filling the paste on the coal mine working face comprises a base, wherein the base is provided with a lifting mechanism, a slurry blocking adjusting mechanism and a mounting mechanism; The lifting mechanism comprises a 匚 -shaped frame, a lifting plate, a first screw rod and a first motor, wherein the 匚 -shaped frame is fixedly arranged at the top of the base, the lifting plate is slidably arranged at the top of the base, the first screw rod is rotatably arranged on the 匚 -shaped frame, the bottom end of the first screw rod is rotatably connected with the base, the first screw rod penetrates through the lifting plate and is in threaded connection with the lifting plate, the first motor is fixedly arranged at the top of the 匚 -shaped frame, and an output shaft of the first motor is fixedly connected with the first screw rod; The pulp blocking mechanism comprises a base plate, an adjusting plate, two pushing-out hydraulic cylinders, two adjusting hydraulic cylinders and a pulp blocking plate, wherein the base plate is fixedly installed on one side of the lifting plate, the adjusting plate is arranged on one side of the base plate, the pushing-out hydraulic cylinders are fixedly installed on one side of the base plate, an output shaft of each pushing-out hydraulic cylinder is hinged to the adjusting plate, the adjusting hydraulic cylinders are hinged to the base plate, an output shaft of each adjusting hydraulic cylinder is hinged to the adjusting plate, and the pulp blocking plate is installed on the adjusting plate. As a further scheme of the utility model, the installation mechanism comprises two strip-shaped holes, two strip-shaped plates, two fixing plates, a